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CN-116365677-B - Polar region multisource zero-carbon self-protection power supply device and control method thereof

CN116365677BCN 116365677 BCN116365677 BCN 116365677BCN-116365677-B

Abstract

The invention provides a polar region multisource zero-carbon self-holding power supply device and a control method thereof, wherein the device comprises a wind power generation unit, a power generation unit and a power generation unit, wherein the wind power generation unit is used for carrying out wind power generation; the solar energy power generation device comprises a shell, a solar power generation unit, a thermoelectric power generation unit, an energy storage unit, a control unit and a communication unit, wherein the solar power generation unit is used for generating solar energy, the thermoelectric power generation unit is used for generating thermoelectric power according to the temperature difference between the inside and the outside of the shell, the energy storage unit is respectively and electrically connected with the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, the control unit is arranged in the shell and is respectively and electrically connected with the thermoelectric power generation unit, the wind power generation unit, the solar power generation unit, the energy storage unit and the monitoring unit, the communication unit is electrically connected with the control unit, and the control unit is further used for determining the power supply mode of the monitoring unit according to delta W0, delta Wa, delta Wb and delta Wc. According to the invention, by utilizing various zero-carbon energy sources to supply electric energy, the environment is effectively protected, the utilization rate of the energy sources can be greatly improved, and meanwhile, the power supply efficiency and the electric energy supply stability of the whole device are improved.

Inventors

  • DOU YINKE
  • ZHANG YU
  • WANG SHUOREN
  • ZUO GUANGYU
  • KOU LIWEI

Assignees

  • 山西省能源互联网研究院
  • 太原理工大学

Dates

Publication Date
20260505
Application Date
20221230

Claims (8)

  1. 1. A polar region multisource zero-carbon self-sustaining power supply device, comprising: the shell is internally provided with a monitoring unit which is used for monitoring environmental information; the wind power generation unit is arranged outside the shell and is used for generating wind power; the solar power generation unit is arranged on the top surface of the shell and is used for generating solar power; The thermoelectric generation unit is respectively positioned inside and outside the shell and is used for carrying out thermoelectric generation according to the temperature difference between the inside and the outside of the shell; The energy storage unit is arranged inside the shell and is respectively and electrically connected with the thermoelectric generation unit, the wind power generation unit and the solar power generation unit, the energy storage unit is used for storing electric energy, and the thermoelectric generation unit, the wind power generation unit, the solar power generation unit and the energy storage unit are respectively and electrically connected with the monitoring unit so as to provide electric energy for the monitoring unit; The control unit is arranged inside the shell and is respectively and electrically connected with the thermoelectric generation unit, the wind power generation unit, the solar power generation unit, the energy storage unit and the monitoring unit, and the control unit is used for respectively controlling the thermoelectric generation unit, the wind power generation unit, the solar power generation unit and the energy storage unit to supply electric energy for the monitoring unit; A communication unit arranged inside the shell and electrically connected with the control unit for communicating with the server, wherein, The control unit is further used for acquiring the real-time electricity consumption DeltaW 0 of the monitoring unit, acquiring the real-time temperature difference electricity generation capacity DeltaWa of the temperature difference electricity generation unit, acquiring the real-time wind power generation capacity DeltaWb of the wind power generation unit and acquiring the real-time solar energy electricity generation capacity DeltaWc of the solar power generation unit; the control unit is also used for determining the power supply mode of the monitoring unit according to DeltaW 0, deltaWa, deltaWb and DeltaWc: when DeltaWa is DeltaW 0, the thermoelectric generation unit supplies power for the monitoring unit; when the delta Wb is delta W0, the wind power generation unit supplies power to the monitoring unit; when the delta Wc-delta W0 is reached, the solar power generation unit supplies power to the monitoring unit, wherein, When DeltaWa, deltaWb and DeltaWc are all larger than DeltaW 0 or two of DeltaW 0 are larger than DeltaW 0, determining the power supply priorities of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, and selecting the monitoring unit with the highest priority for power supply according to the determined sequencing result of the power supply priorities of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit; Comprising the following steps: Presetting a first preset priority A1, a second preset priority A2, a third preset priority A3 and a fourth preset priority A4, wherein A1 is larger than A2 and A3 is larger than A4, presetting a first preset generating capacity W1, a second preset generating capacity W2, a third preset generating capacity W3 and a fourth preset generating capacity W4, wherein W1 is larger than W2 and W3 is larger than W4 delta W0; Determining the power supply priorities of the thermoelectric generation unit, the wind power generation unit and the solar power generation unit according to the relations between DeltaWa, deltaWb and DeltaWc and preset power generation amounts respectively: When DeltaWa is more than or equal to W1 or DeltaWb is more than or equal to W1 or DeltaWc is more than or equal to W1, selecting the first preset priority A1 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; When W1-DeltaWa is more than or equal to W2 or W1-DeltaWb is more than or equal to W2 or W1-DeltaWc is more than or equal to W2, selecting the second preset priority A2 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; When W2-DeltaWa is more than or equal to W3 or W2-DeltaWb is more than or equal to W3 or W2-DeltaWc is more than or equal to W3, selecting the third preset priority A3 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; when W3-DeltaWa is more than or equal to W4 or W3-DeltaWb is more than or equal to W4 or W3-DeltaWc is more than or equal to W4, selecting the fourth preset priority A4 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; After the i-th preset priority Ai is selected as the power supply priority of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, i=1, 2,3 and 4, the priority is sequenced from high to low, a priority list B [ delta Wa-Ai: [ delta Wb-Ai: [ delta Wc-Ai ] is obtained, the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit is determined to supply power to the monitoring unit according to the priority list B, and the unit sequenced at the first position in the priority list B is selected to supply power to the monitoring unit.
  2. 2. The polar region multisource zero-carbon self-sustaining power supply device according to claim 1, wherein, The control unit is further configured to, after determining the priority list B [ Δwa-Ai: [ Δwb-Ai: [ Δwc-Ai ], include: Presetting a first preset weight coefficient Q1, a second preset weight coefficient Q2, a third preset weight coefficient Q3 and a fourth preset weight coefficient Q4, wherein 2> Q1> Q2> Q3> Q4>1; Setting weight coefficients of the thermoelectric generation unit, the wind power generation unit and the solar power generation unit when the monitoring unit is powered according to the relation between the real-time thermoelectric generation amount DeltaWa, the real-time wind power generation amount DeltaWb and the real-time solar power generation amount DeltaWc and each preset generation amount respectively: When DeltaWn is more than or equal to W1, setting a first preset weight coefficient Q1 as a weight coefficient when the temperature difference power generation unit, the wind power generation unit or the solar power generation unit supplies power to the monitoring unit; when W1 >. DELTA.Wn is more than or equal to W2, setting a second preset weight coefficient Q2 as a weight coefficient when the temperature difference power generation unit, the wind power generation unit or the solar power generation unit supplies power to the monitoring unit; when W2 >. DELTA.Wn is more than or equal to W3, setting a third preset weight coefficient Q3 as a weight coefficient when the temperature difference power generation unit, the wind power generation unit or the solar power generation unit supplies power to the monitoring unit; when W3 >. DELTA.Wn is more than or equal to W4, setting a fourth preset weight coefficient Q4 as a weight coefficient when the temperature difference power generation unit, the wind power generation unit or the solar power generation unit supplies power to the monitoring unit; After the i-th preset weight coefficient Qi is selected as the weight coefficient when the temperature difference power generation unit, the wind power generation unit and the solar power generation unit supply power to the monitoring unit, i=1, 2,3 and 4, after the obtained weight coefficient is sequenced from big to small, the priority list B is adjusted to a priority list C [ delta Wa-Qi ] delta Wb-Qi [ delta Wc-Qi ], and one of the temperature difference power generation unit, the wind power generation unit and the solar power generation unit is determined to supply power to the monitoring unit according to the sequencing result of the priority list C.
  3. 3. The polar region multisource zero-carbon self-sustaining power supply device according to claim 2, wherein said control unit is further configured to, after adjusting said priority list B to said priority list C [ Δwa-Qi: Δwb-Qi: Δwc-Qi ], comprise: presetting a first preset wind speed F1, a second preset wind speed F2, a third preset wind speed F3 and a fourth preset wind speed F4, wherein F1< F2< F3< F4; acquiring a real-time wind speed delta F of a current environment, and adjusting a weight coefficient Qi when the wind power generation unit is powered according to the relation between the real-time wind speed delta F and each preset wind speed: When DeltaF < F1, the weight coefficient Qi of the wind power generation unit line when power is supplied is not adjusted; when F1 is less than or equal to delta F < F2, selecting the first preset wind speed adjusting coefficient a1 to adjust the weight coefficient Qi when the wind power generation unit is powered, wherein the adjusted weight coefficient is Qi x a1; When F2 is less than or equal to delta F < F3, selecting the second preset wind speed adjusting coefficient a2 to adjust the weight coefficient Qi when the wind power generation unit is powered, wherein the adjusted weight coefficient is Qi x a2; when F3 is less than or equal to delta F < F4, selecting the third preset wind speed adjusting coefficient a3 to adjust the weight coefficient Qi when the wind power generation unit is powered, wherein the adjusted weight coefficient is Qi x a3; When F4 is less than or equal to delta F, the fourth preset wind speed adjusting coefficient a4 is selected to adjust the weight coefficient Qi when the wind power generation unit is powered, and the adjusted weight coefficient is Qi x a4.
  4. 4. The polar region multisource zero-carbon self-sustaining power source device according to claim 3, wherein, The control unit is further used for presetting a first preset solar irradiance Z1, a second preset solar irradiance Z2, a third preset solar irradiance Z3 and a fourth preset solar irradiance Z4, wherein Z1 is smaller than Z2 is smaller than Z3 and smaller than Z4; The control unit is also used for acquiring real-time solar irradiance delta Z of the current environment, and adjusting a weight coefficient Qi when the solar power generation unit is powered according to the relation between delta Z and each preset solar irradiance: When DeltaZ < Z1, the weight coefficient Qi of the solar power generation unit when power is supplied is not adjusted; When Z1 is less than or equal to delta Z < Z2, selecting the first preset wind speed adjusting coefficient a1 to adjust the weight coefficient Qi when the solar power generation unit is powered, wherein the adjusted weight coefficient is Qi x a1; when Z2 is less than or equal to delta Z < Z3, selecting the second preset wind speed adjusting coefficient a2 to adjust the weight coefficient Qi when the solar power generation unit is powered, wherein the adjusted weight coefficient is Qi x a2; When Z3 is less than or equal to delta Z < Z4, selecting the third preset wind speed adjusting coefficient a3 to adjust the weight coefficient Qi when the solar power generation unit is powered, wherein the adjusted weight coefficient is Qi x a3; When Z4 is less than or equal to delta Z, the fourth preset wind speed adjusting coefficient a4 is selected to adjust the weight coefficient Qi when the solar power generation unit is powered, and the adjusted weight coefficient is Qi x a4.
  5. 5. The polar region multisource zero-carbon self-sustaining power source device of claim 4, wherein, The control unit is further used for presetting a first preset temperature difference T1, a second preset temperature difference T2, a third preset temperature difference T3 and a fourth preset temperature difference T4, and T1 is less than T2 is less than T3 is less than T4; the control unit is further configured to obtain a real-time internal temperature Δta1 inside the housing and a real-time external temperature Δta2 outside the housing in the current environment, and adjust a weight coefficient Qi when the thermoelectric generation unit supplies power according to a relationship between a temperature difference between Δta1 and Δta2 and each preset temperature difference: when DeltaTa 1-DeltaTa 2 is smaller than T1, the weight coefficient Qi of the thermoelectric generation unit is not adjusted when the thermoelectric generation unit is powered; When T1 is less than or equal to delta Ta 1-delta Ta2< T2, selecting the first preset wind speed adjusting coefficient a1 to adjust the weight coefficient Qi when the thermoelectric generation unit is powered, wherein the adjusted weight coefficient is Qi; when T2 is less than or equal to delta Ta 1-delta Ta2< T3, selecting the second preset wind speed regulating coefficient a2 to regulate the weight coefficient Qi when the thermoelectric generation unit is powered, wherein the regulated weight coefficient is Qi; When T3 is less than or equal to delta Ta 1-delta Ta2< T4, selecting the third preset wind speed regulating coefficient a3 to regulate the weight coefficient Qi when the thermoelectric generation unit is powered, wherein the regulated weight coefficient is Qi; When delta Ta 1-delta Ta2 is less than or equal to delta T, selecting a fourth preset wind speed adjusting coefficient a4 to adjust a weight coefficient Qi when the thermoelectric generation unit is powered, wherein the adjusted weight coefficient is Qi; And after the i-th preset wind speed adjusting coefficient ai is selected to respectively adjust the weight coefficients of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, acquiring an adjusted priority list C [ delta Wa-Qi ] ai: [ delta Wb-Qi ] ai: [ delta Wc-Qi ], and selecting a unit positioned at the first position to supply power to the monitoring unit according to the sorting result of the adjusted priority list C.
  6. 6. The polar region multisource zero-carbon self-sustaining power supply device according to claim 5, wherein the control unit is further configured to, when selecting the thermoelectric generation unit, the wind power generation unit or the solar power generation unit to supply power to the monitoring unit, obtain a second real-time power generation amount Δw2 of the thermoelectric generation unit, the wind power generation unit or the solar power generation unit once every preset time period, and determine whether to switch to a unit for supplying power to the monitoring unit according to a difference value between the second real-time power generation amount Δw2 and Δwn: When DeltaW 2-DeltaWn is more than or equal to 0, the monitoring unit is not switched to a unit for supplying power; when Δw2- Δwn <0, then the unit powering the monitoring unit is switched to the unit ordered as the second bit in the priority list C.
  7. 7. The polar region multisource zero-carbon self-sustaining power source device of claim 6, wherein, The control unit is further configured to, when acquiring the second real-time power generation amount Δw2 of the thermoelectric power generation unit, the wind power generation unit, or the solar power generation unit once per a preset time period, include: presetting a first preset generating capacity difference value Y1, a second preset generating capacity difference value Y2, a third preset generating capacity difference value Y3 and a fourth preset generating capacity difference value Y4, wherein Y1 is smaller than Y2 and Y3 is smaller than Y4; The control unit is further configured to obtain a historical average power generation amount W0 of the thermoelectric power generation unit, the wind power generation unit, or the solar power generation unit, and determine an interval duration when the Δwn and Δw2 are obtained according to a relationship between a difference value between W0 and Δwn and each preset power generation amount difference value: When Y1< [ delta ] Wn-W0 is less than or equal to Y2, selecting the first preset duration S1 as the interval duration when delta Wn and delta W2 are acquired; when Y2< [ delta ] Wn-W0 is less than or equal to Y3, selecting the second preset duration S2 as the interval duration when delta Wn and delta W2 are acquired; when Y3< [ delta ] Wn-W0 is less than or equal to Y4, selecting the third preset duration S3 as the interval duration when delta Wn and delta W2 are acquired; when Y4< DELTAWn-W0, then the fourth preset time period S4 is selected as the interval time period when DELTAWn and DELTAW 2 are acquired.
  8. 8. The control method of the polar region multisource zero-carbon self-sustaining power supply device is characterized by comprising the following steps of: acquiring real-time electricity consumption delta W0 of a monitoring unit, acquiring real-time temperature difference generating capacity delta Wa of a temperature difference generating unit, acquiring real-time wind generating capacity delta Wb of a wind generating unit and acquiring real-time solar generating capacity delta Wc of a solar generating unit; determining the power supply mode of the monitoring unit according to DeltaW 0, deltaWa, deltaWb and DeltaWc: when DeltaWa is DeltaW 0, the thermoelectric generation unit supplies power for the monitoring unit; when the delta Wb is delta W0, the wind power generation unit supplies power to the monitoring unit; when the delta Wc-delta W0 is reached, the solar power generation unit supplies power to the monitoring unit, wherein, When DeltaWa, deltaWb and DeltaWc are all larger than DeltaW 0 or two of DeltaW 0 are larger than DeltaW 0, determining the power supply priorities of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, and selecting the monitoring unit with the highest priority for power supply according to the determined sequencing result of the power supply priorities of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit; Comprising the following steps: Presetting a first preset priority A1, a second preset priority A2, a third preset priority A3 and a fourth preset priority A4, wherein A1 is larger than A2 and A3 is larger than A4, presetting a first preset generating capacity W1, a second preset generating capacity W2, a third preset generating capacity W3 and a fourth preset generating capacity W4, wherein W1 is larger than W2 and W3 is larger than W4 delta W0; Determining the power supply priorities of the thermoelectric generation unit, the wind power generation unit and the solar power generation unit according to the relations between DeltaWa, deltaWb and DeltaWc and preset power generation amounts respectively: When DeltaWa is more than or equal to W1 or DeltaWb is more than or equal to W1 or DeltaWc is more than or equal to W1, selecting the first preset priority A1 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; When W1-DeltaWa is more than or equal to W2 or W1-DeltaWb is more than or equal to W2 or W1-DeltaWc is more than or equal to W2, selecting the second preset priority A2 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; When W2-DeltaWa is more than or equal to W3 or W2-DeltaWb is more than or equal to W3 or W2-DeltaWc is more than or equal to W3, selecting the third preset priority A3 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; when W3-DeltaWa is more than or equal to W4 or W3-DeltaWb is more than or equal to W4 or W3-DeltaWc is more than or equal to W4, selecting the fourth preset priority A4 as the power supply priority of the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit; After the i-th preset priority Ai is selected as the power supply priority of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, i=1, 2,3 and 4, the priority is sequenced from high to low, a priority list B [ delta Wa-Ai: [ delta Wb-Ai: [ delta Wc-Ai ] is obtained, the thermoelectric power generation unit, the wind power generation unit or the solar power generation unit is determined to supply power to the monitoring unit according to the priority list B, and the unit sequenced at the first position in the priority list B is selected to supply power to the monitoring unit.

Description

Polar region multisource zero-carbon self-protection power supply device and control method thereof Technical Field The invention relates to the field of energy storage equipment, in particular to a polar region multi-source zero-carbon self-holding power supply device and a control method thereof. Background Currently, common weather station monitoring devices include mechanical weather stations, ultrasonic weather stations, portable mobile weather stations, hand-held weather stations, and the like. The mechanical design of automatic weather station is a weather instrument for automatically observing, processing and transmitting weather elements, and is composed of sensor, collector and external equipment. Through observing the ground meteorological, the main function of the system is to monitor the data change of meteorological elements such as wind, temperature, humidity, air pressure and the like in real time. In extremely low-temperature environment, the self-maintenance requirement of the power supply required by the outdoor monitoring equipment is extremely high in the zero-carbon consumption mode. Aiming at the electric energy source guarantee requirement of the meteorological station monitoring device in the extreme environment of the polar field, the traditional meteorological station monitoring device has a single power supply mode and cannot cope with the operation stability of power supply in the low-temperature environment. Disclosure of Invention In view of the above, the invention provides a polar multi-source zero-carbon self-holding power supply device and a control method thereof, which aim to solve the problem of how to improve the stability of outdoor monitoring equipment in an extreme environment when power is supplied by electric energy. In one aspect, the present invention provides a polar region multisource zero-carbon self-sustaining power supply device, comprising: the shell is internally provided with a monitoring unit which is used for monitoring environmental information; the wind power generation unit is arranged outside the shell and is used for generating wind power; the solar power generation unit is arranged on the top surface of the shell and is used for generating solar power; The thermoelectric generation unit is respectively positioned inside and outside the shell and is used for carrying out thermoelectric generation according to the temperature difference between the inside and the outside of the shell; The energy storage unit is arranged inside the shell and is respectively and electrically connected with the thermoelectric generation unit, the wind power generation unit and the solar power generation unit, the energy storage unit is used for storing electric energy, and the thermoelectric generation unit, the wind power generation unit, the solar power generation unit and the energy storage unit are respectively and electrically connected with the monitoring unit so as to provide electric energy for the monitoring unit; The control unit is arranged inside the shell and is respectively and electrically connected with the thermoelectric generation unit, the wind power generation unit, the solar power generation unit, the energy storage unit and the monitoring unit, and the control unit is used for respectively controlling the thermoelectric generation unit, the wind power generation unit, the solar power generation unit and the energy storage unit to supply electric energy for the monitoring unit; A communication unit arranged inside the shell and electrically connected with the control unit for communicating with the server, wherein, The control unit is further used for acquiring the real-time electricity consumption DeltaW 0 of the monitoring unit, acquiring the real-time temperature difference electricity generation capacity DeltaWa of the temperature difference electricity generation unit, acquiring the real-time wind power generation capacity DeltaWb of the wind power generation unit and acquiring the real-time solar energy electricity generation capacity DeltaWc of the solar power generation unit; the control unit is also used for determining the power supply mode of the monitoring unit according to DeltaW 0, deltaWa, deltaWb and DeltaWc: when DeltaWa is DeltaW 0, the thermoelectric generation unit supplies power for the monitoring unit; when the delta Wb is delta W0, the wind power generation unit supplies power to the monitoring unit; when the delta Wc-delta W0 is reached, the solar power generation unit supplies power to the monitoring unit, wherein, When DeltaWa, deltaWb and DeltaWc are all larger than DeltaW 0 or two of DeltaW 0 are larger than DeltaW 0, determining the power supply priorities of the thermoelectric power generation unit, the wind power generation unit and the solar power generation unit, and selecting the monitoring unit with the highest priority for power supply according to the determined sequencing result of the power supply priorities