CN-122015157-A - Building thermal management system, control method and intelligent building

CN122015157ACN 122015157 ACN122015157 ACN 122015157ACN-122015157-A

Abstract

The invention provides a building thermal management system, a control method and an intelligent building, wherein the building thermal management system comprises a building enclosure structure, a distributed temperature detection unit, an active heating device, an active refrigerating device, a building energy interface central control system, an energy distribution and equipment control switch array, and a temperature control space is defined inside the building enclosure structure; the distributed temperature detection unit is used for collecting real-time temperature of a space to be controlled, the active heating device and the active refrigerating device are thermally coupled with the space to be controlled, the central control system is used for receiving and processing temperature data, the energy distribution and equipment control switch array is electrically connected with the central control system, the building energy interface, the heating device, the refrigerating device and the energy storage device respectively, and the energy distribution and equipment control switch array is used for executing temperature control instructions. The intelligent building thermal management system can be used for intelligent adjustment according to the set temperature, and the temperature in the building is ensured to be in a comfortable temperature range.

Inventors

LI YONGWU
ZHANG TAO
ZHU BINGRU

Assignees

北京光至科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260126

Claims (10)

1. A building thermal management system, comprising: The building enclosure structure is internally provided with at least one space needing temperature control; the distributed temperature detection unit is arranged in the space requiring temperature control and/or on the surface of the building envelope and is used for collecting the real-time temperature of the space requiring temperature control and/or the surface temperature of the envelope; The active heating device and the active refrigerating device are thermally coupled with the space to be temperature-controlled and are used for heating or refrigerating the space; The building energy interface is electrically connected with the municipal power grid, the distributed energy system and/or the energy storage device and is used for supplying power to the system and/or receiving reverse feeding; the central control system is electrically and communicatively connected with the distributed temperature detection units and is used for receiving and processing temperature data; the energy distribution and equipment control switch array is electrically and communicatively connected with the central control system and is electrically connected with the building energy interface, the heating device, the refrigerating device and the energy storage device respectively; the central control system is configured to compare the received real-time temperature with a preset comfort temperature interval, wherein the comfort temperature interval comprises a lower first temperature threshold and an upper second temperature threshold; when the real-time temperature is lower than the first temperature threshold, the central control system sends a first control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the heating device to start to operate so as to heat the space needing temperature control; when the real-time temperature is higher than the second temperature threshold, the central control system sends a second control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the refrigeration device to start to operate so as to refrigerate the space needing temperature control; When the real-time temperature is between the first temperature threshold and the second temperature threshold, the central control system sends a third control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the heating device and the refrigerating device to enter a low-power consumption standby or off state.
2. The building active thermal management system of claim 1, wherein: the active heating device comprises one or more of a radiation heating layer, a heat pump system, a variable frequency air conditioning heat unit or a solar auxiliary heater which are integrated in a floor, a wall or a ceiling; The active refrigerating device comprises one or more of a variable-frequency air conditioner refrigerating unit, a radiation cold supply layer, a phase change cold accumulation ceiling or a natural cooling system based on tunnel wind; The heating device and the refrigerating device are independently controlled and regulated according to the building partition.
3. The active thermal management system of claim 1, further comprising an outdoor weather monitoring unit in communication with the central control system for collecting outdoor temperature, humidity, solar radiation intensity and wind speed data; The central control system is also used for predicting the heat load of a future period based on outdoor meteorological data, historical energy consumption data and a building thermal inertia model and adjusting a heating or refrigerating strategy in advance.
4. The building active thermal management system of claim 1, wherein the building energy interface is further connected with a building integrated photovoltaic system, a wind power generation device, or an energy storage battery; The central control system is also used for optimizing an energy distribution strategy according to the time-of-use electricity price signal, the self-generated power of the building and the space temperature requirement, preferentially using distributed energy sources to supply power for the heating or refrigerating device, and charging the energy storage device when the electricity price is low or the power generation is excessive.
5. The building active thermal management system of claim 1, further comprising a personnel sensing unit, wherein the personnel sensing unit comprises an infrared sensor, a CO 2 concentration sensor or a smart meter data interface for detecting the existence state and activity intensity of personnel in the space requiring temperature control; The central control system is also used for dynamically adjusting comfortable temperature intervals and equipment operation power of different partitions by combining personnel perception information.
6. The building active thermal management system of claim 1, wherein the distributed temperature detection units comprise wireless temperature sensor networks arranged on different floors, different orientations, and different functional areas; the central control system is used for identifying the thermal non-uniformity in the building based on the data of each sensor and independently controlling the heating or refrigerating devices of the corresponding subareas, so that the local accurate temperature control is realized, and the supercooling or overheating area is eliminated.
7. The active thermal management system of claim 1, further comprising a humidity detection and conditioning unit connected to the central control system; the central control system is further configured to control the dehumidifier, the humidifier or the fresh air system in a coordinated manner according to the collected humidity data and a preset comfortable humidity range while controlling the temperature, so as to maintain the comprehensive comfort of the indoor heat humidity environment.
8. The building active thermal management system of claim l, wherein the central control system is integrated with a building energy management platform and has an interface for communication with a grid demand side response system; when the central control system receives a peak shaving or load reduction instruction of the power grid, the central control system temporarily adjusts the running power or start-stop of the heating or refrigerating device in a buffer zone with acceptable indoor temperature to participate in auxiliary service of the power grid.
9. A control method of a building thermal management system according to any one of claims 1 to 8, comprising the steps of: S10, continuously monitoring the real-time temperature of each space needing temperature control of the building through a distributed temperature detection unit; s20, comparing the real-time temperature of each area with a comfort temperature interval set for the area by the central control system; S30, if the real-time temperature of a certain area is lower than a first temperature threshold value, starting a heating program aiming at the area, and preferentially calling distributed energy or stored energy power by an energy distribution strategy; S40, if the real-time temperature of a certain area is higher than a second temperature threshold value, starting a refrigeration program for the area; S50, in the heating or refrigerating process, monitoring temperature change, energy consumption and personnel state in real time, and dynamically adjusting the output power of the equipment until the temperature returns to a comfortable interval; and S60, when all the area temperatures are in the comfort interval, the system enters an energy-saving cruising mode, and only the minimum necessary ventilation and monitoring are maintained.
10. An intelligent building comprising the building thermal management system of any one of claims 1-8 as part of the intelligent building neural network to provide the building with adaptive, efficient and intelligent management of thermal environments.

Description

Building thermal management system, control method and intelligent building Technical Field The invention relates to the technical field of building thermal management systems, in particular to a building thermal management system, a control method and an intelligent building. Background The existing indoor floor heating mode is generally to heat by burying copper pipes or PVC plastic pipes which are filled with hot water under indoor floors or ceramic tiles. The refrigerating is also carried out by adopting an air conditioner generally, and the temperature of nearly half of the room is set within a comfortable range by manual temperature adjustment, or is too cold or too hot, so that the indoor air conditioner is uncomfortable and particularly consumes energy, and when no person is in the room, the energy waste is caused by the mode. Therefore, under the circumstance of advocating green low carbon, an intelligent thermal management system is needed, and automatic control and temperature change can be carried out on the system according to the needs of indoor personnel so as to realize resource rationalization and maximum utilization. Disclosure of Invention The embodiment of the invention provides a building thermal management system, a control method and an intelligent building, which are used for solving one or more technical problems in the prior art. In a first aspect, an embodiment of the present invention provides a building thermal management system, including: The building enclosure structure is internally provided with at least one space needing temperature control; the distributed temperature detection unit is arranged in the space requiring temperature control and/or on the surface of the building envelope and is used for collecting the real-time temperature of the space requiring temperature control and/or the surface temperature of the envelope; The active heating device and the active refrigerating device are thermally coupled with the space to be temperature-controlled and are used for heating or refrigerating the space; The building energy interface is electrically connected with the municipal power grid, the distributed energy system and/or the energy storage device and is used for supplying power to the system and/or receiving reverse feeding; the central control system is electrically and communicatively connected with the distributed temperature detection units and is used for receiving and processing temperature data; the energy distribution and equipment control switch array is electrically and communicatively connected with the central control system and is electrically connected with the building energy interface, the heating device, the refrigerating device and the energy storage device respectively; the central control system is configured to compare the received real-time temperature with a preset comfort temperature interval, wherein the comfort temperature interval comprises a lower first temperature threshold and an upper second temperature threshold; when the real-time temperature is lower than the first temperature threshold, the central control system sends a first control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the heating device to start to operate so as to heat the space needing temperature control; when the real-time temperature is higher than the second temperature threshold, the central control system sends a second control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the refrigeration device to start to operate so as to refrigerate the space needing temperature control; When the real-time temperature is between the first temperature threshold and the second temperature threshold, the central control system sends a third control signal to the energy distribution and equipment control switch array, and the energy distribution and equipment control switch array controls the heating device and the refrigerating device to enter a low-power consumption standby or off state. In a preferred embodiment, the active heating device comprises one or more of a radiant heating layer, a heat pump system, a variable frequency air conditioning unit or a solar auxiliary heater integrated in a floor, wall or ceiling; The active refrigerating device comprises one or more of a variable-frequency air conditioner refrigerating unit, a radiation cold supply layer, a phase change cold accumulation ceiling or a natural cooling system based on tunnel wind; The heating device and the refrigerating device are independently controlled and regulated according to the building partition. In a preferred embodiment, the system further comprises an outdoor weather monitoring unit which is in communication connection with the central control system and is used for collecting outdoor temperature, humidity, sol