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CN-117490153-B - Ice storage air conditioner, method, apparatus and computer readable storage medium

CN117490153BCN 117490153 BCN117490153 BCN 117490153BCN-117490153-B

Abstract

The invention provides an ice storage air conditioner, a method, a device and a computer readable storage medium. The cold accumulation module comprises an evaporator, a compressor and a throttling assembly which are sequentially communicated, wherein the evaporator is located in a water tank, the throttling assembly comprises a first end and a second end, a first temperature sensor for detecting the temperature of the water tank is arranged in the water tank, a second temperature sensor for detecting the temperature of return air is arranged in the compressor, a third temperature sensor for detecting the evaporating temperature is arranged on the surface of the evaporator, the auxiliary ice accumulation module comprises a first control valve, a second control valve and a liquid storage tank, the liquid storage tank comprises an inlet end and an outlet end, the inlet end is connected with the first end through the first control valve, the outlet end is connected with the second end through the second control valve, and the control assembly is respectively connected with the first temperature sensor, the second temperature sensor, the third temperature sensor, the first control valve and the second control valve.

Inventors

  • DENG SHUYAO

Assignees

  • 广东美的制冷设备有限公司

Dates

Publication Date
20260512
Application Date
20220726

Claims (13)

  1. 1. An ice thermal storage air conditioner, comprising: A water tank; The cold accumulation module comprises an evaporator, a compressor and a throttling assembly which are sequentially communicated, wherein the evaporator is positioned in the water tank, the throttling assembly comprises a first end and a second end, a first temperature sensor for detecting the temperature of the water tank is arranged in the water tank, a second temperature sensor for detecting the temperature of return air is arranged in the compressor, and a third temperature sensor for detecting the evaporation temperature is arranged on the surface of the evaporator; The auxiliary ice storage module comprises a first control valve, a second control valve, a liquid storage tank and an auxiliary throttle, wherein the liquid storage tank comprises an inlet end and an outlet end, the inlet end is connected with the first end through the first control valve, the outlet end is connected with the second end through the second control valve, one end of the auxiliary throttle is communicated with the inlet end through the first control valve, and the other end of the auxiliary throttle is communicated with the second end through the second control valve; And the control assembly is respectively connected with the first temperature sensor, the second temperature sensor, the third temperature sensor, the first control valve and the second control valve.
  2. 2. A control method of an ice storage air conditioner, which is applied to the ice storage air conditioner as claimed in claim 1, the control method comprising: when the first control valve and the second control valve are both in a closed state, and the ice storage air conditioner operates for a preset first time period, the temperature of the water tank is obtained; when the temperature of the water tank is greater than or equal to a preset water temperature threshold value, the second control valve is opened to enable the liquid storage tank to release the refrigerant; when the opening time of the second control valve reaches a preset second time, acquiring the return air temperature and the evaporation temperature; And controlling the first control valve and the second control valve according to the return air temperature and the evaporation temperature so as to adjust the quantity of the refrigerant circulating in the ice storage air conditioner and accelerate the ice storage speed.
  3. 3. The control method according to claim 2, wherein when the water tank temperature is less than a preset water temperature threshold, both the first control valve and the second control valve are maintained in a closed state.
  4. 4. The control method according to claim 2, characterized in that the controlling the first control valve and the second control valve according to the return air temperature and the evaporation temperature includes: and when the difference value between the return air temperature and the evaporation temperature is smaller than or equal to a preset first refrigeration threshold value, closing the second control valve.
  5. 5. The control method according to claim 2, characterized in that the controlling the first control valve and the second control valve according to the return air temperature and the evaporation temperature includes: And when the difference between the return air temperature and the evaporation temperature is larger than a preset first refrigeration threshold value, maintaining the second control valve in an open state until the difference between the re-acquired return air temperature and the re-acquired evaporation temperature is smaller than or equal to the preset first refrigeration threshold value.
  6. 6. The control method according to claim 4, characterized by comprising, after the closing of the second control valve: when the closing time of the second control valve reaches a preset third time, acquiring a new return air temperature and a new evaporation temperature again; and when the difference between the new return air temperature and the new evaporation temperature is smaller than or equal to a preset second refrigeration threshold value, opening the first control valve.
  7. 7. The control method according to claim 6, wherein when the second control valve is closed for a predetermined third period of time, the method comprises, after re-acquiring a new return air temperature and a new evaporation temperature: And when the difference between the new return air temperature and the new evaporation temperature is larger than a preset second refrigeration threshold value, maintaining the second control valve in a closed state until the difference between the re-acquired return air temperature and the re-acquired evaporation temperature is smaller than or equal to the preset second refrigeration threshold value.
  8. 8. The control method according to claim 6, characterized by comprising, after said opening of said first control valve: when the opening time of the first control valve reaches a preset fourth time, acquiring a new return air temperature and a new evaporation temperature again; And closing the first control valve when the difference between the new return air temperature and the new evaporation temperature is greater than or equal to a preset third refrigeration threshold value.
  9. 9. The control method according to claim 8, wherein after the first control valve opening time period reaches a preset fourth time period and a new return air temperature and a new evaporation temperature are newly acquired, further comprising: And when the difference between the new return air temperature and the new evaporation temperature is smaller than a preset third refrigeration threshold value, maintaining the first control valve in an open state until the difference between the re-acquired return air temperature and the re-acquired evaporation temperature is larger than or equal to the preset third refrigeration threshold value.
  10. 10. The control method according to claim 8, characterized by comprising, after the closing of the first control valve: when the closing time of the first control valve reaches a preset fifth time, acquiring new water tank temperature again; and when the temperature of the new water tank is less than or equal to the preset ice storage temperature, controlling the ice storage air conditioner to stop running.
  11. 11. An operation control device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing a control method according to any one of claims 2 to 10 when executing the computer program.
  12. 12. An air conditioner comprising the operation control device according to claim 11.
  13. 13. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the control method according to any one of claims 2 to 10.

Description

Ice storage air conditioner, method, apparatus and computer readable storage medium Technical Field The present invention relates to the field of air conditioning technologies, and in particular, to an ice storage air conditioner, a method, an apparatus, and a computer readable storage medium. Background The ice storage air conditioning equipment generally comprises a compressor, an evaporator, a condenser, a water tank and a refrigerant. The ice cold accumulation air conditioning equipment drives a refrigerant to circulate in the air conditioning equipment through the pressure generated by the compressor, the temperature of the surface of the evaporator is reduced, and the water in the water tank is reduced until the water is frozen, so that the purpose of cold accumulation is realized. At present, in the process of initial cold accumulation, the water temperature of a water tank is too high, an evaporator is overheated, so that a refrigerant flowing into the evaporator is completely evaporated, the evaporator cannot discharge liquid refrigerant, no cooling effect is caused, the refrigerating effect is poor, the ice accumulation time is long, and the use experience of a user is influenced. Therefore, how to shorten the ice storage time of the ice storage air conditioning apparatus is a technical problem to be solved. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides an ice storage air conditioner, a method, a device and a computer readable storage medium, which can improve the refrigeration effect and shorten the ice storage time. In a first aspect, an embodiment of the present invention provides an ice storage air conditioner, including: A water tank; The cold accumulation module comprises an evaporator, a compressor and a throttling assembly which are sequentially communicated, wherein the evaporator is positioned in the water tank, the throttling assembly comprises a first end and a second end, a first temperature sensor for detecting the temperature of the water tank is arranged in the water tank, a second temperature sensor for detecting the temperature of return air is arranged in the compressor, and a third temperature sensor for detecting the evaporation temperature is arranged on the surface of the evaporator; The auxiliary ice storage module comprises a first control valve, a second control valve and a liquid storage tank, wherein the liquid storage tank comprises an inlet end and an outlet end, the inlet end is connected with the first end through the first control valve, and the outlet end is connected with the second end through the second control valve; And the control assembly is respectively connected with the first temperature sensor, the second temperature sensor, the third temperature sensor, the first control valve and the second control valve. The ice cold storage air conditioner provided by the embodiment of the invention has the advantages that the ice cold storage air conditioner at least has the following beneficial effects that the compressor drives the refrigerant to flow through the throttling assembly to reach the evaporator for heat exchange, so that the surface temperature of the evaporator is reduced, the temperature in the water tank is reduced, the liquid in the water tank is cooled to be frozen, and the cold quantity is stored. The inlet end of the liquid storage tank is communicated with the first end of the throttling assembly through a first control valve, and the outlet end of the liquid storage tank is communicated with the second end of the throttling assembly through a second control valve. The control assembly can control the first control valve and the second control valve respectively according to the water tank temperature, the return air temperature and the evaporation temperature. Under the higher condition of water tank temperature, control assembly can control the second control valve to open to the refrigerant that stores in the liquid storage pot flows through exit end and second control valve in proper order, flows into in the refrigerant circulation system of ice cold-storage air conditioner from the second end of throttling assembly, improves the refrigerant circulation volume in ice cold-storage air conditioner unit time, makes the refrigerant volume increase that flows through the evaporimeter, improves heat exchange efficiency. The control assembly can also control the opening of the first control valve according to the return air temperature and the evaporation temperature, so that the refrigerant of the ice cold storage air conditioner flows to the inlet end through the first end of the throttling assembly, the refrigerant is recovered from the liquid storage tank, and the influence on the refrigerating effect due to the fact that the exhaust pressure of the compressor is increased due to the fact that the circulation quantity of the refri