Temperature control unit control method and device, temperature control equipment and storage medium

Abstract

The invention relates to a temperature control unit control method and device, temperature control equipment and a storage medium. The method comprises the steps that whether the temperature of cooling water in a cooling water tank is low or not and whether heat exchange is needed or not are comprehensively judged according to the running state of a compressor and temperature detection data, and when it is determined that heat exchange is needed in the cooling water heat exchange demand state, it is indicated that the temperature of the cooling water in the cooling water tank is low; in order to avoid the situation that when a compressor is started, the exhaust pressure of the compressor is rapidly reduced due to the low cooling water temperature, and consequently a temperature control unit is difficult to start or shut down due to faults, a heat exchanger is controlled to provide hot water for cooling water according to a corresponding cooling water heat exchange mode, water in the heat exchanger and water in a cooling water tank are used for heat exchange, and the cooling water temperature is increased; according to the heat exchange mode, additional arrangement of electric heating is not needed, compared with electric heating, the heating efficiency is high, heating energy consumption is reduced, and the problems that a traditional cooling water heat exchange mode is low in heating efficiency and high in heating energy consumption, and potential safety hazards exist due to long-time heating are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of temperature control equipment, and particularly relates to a temperature control unit control method and device, temperature control equipment and a storage medium. BACKGROUND

[0002] If the temperature control unit is not started for a long time under low ambient temperature conditions, especially for an evaporative condensing water chiller, the cooling water temperature will tend to be close to the ambient temperature. When the cooling water pump of the temperature control unit is started under such conditions, the low cooling water temperature will rapidly reduce the compressor discharge pressure and the device differential pressure, making it difficult for the compressor to load, resulting in difficulty in starting the unit or failure to shut down.

[0003] To solve this problem, the traditional method is to arrange an electric heater in the cooling water tank to maintain the cooling water temperature. This method has low heating efficiency and high energy consumption, and the electric heater needs to be turned on for a long time under low ambient temperature conditions, which poses a safety hazard. SUMMARY

[0004] The present application provides a temperature control unit control method and device, temperature control equipment and a storage medium to solve the problems of low heating efficiency, high heating energy consumption and safety hazards of long-term heating of the traditional cooling water heat exchange method.

[0005] In a first aspect, the present application provides a temperature control unit control method, which comprises:

[0006] obtaining the running state of a compressor in a temperature control unit in a temperature control equipment and temperature detection data;

[0007] determining the cooling water heat exchange demand state and cooling water heat exchange method of a cooling water tank in the temperature control unit according to the comparison relationship between different collected temperatures in the running state of the compressor and the temperature detection data;

[0008] when the cooling water heat exchange demand state of the cooling water tank is heat exchange, controlling the heat exchanger in the temperature control unit to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange method, so as to adjust the cooling water temperature in the cooling water tank.

[0009] Optionally, the determination of the cooling water heat exchange demand state and cooling water heat exchange method of the cooling water tank in the temperature control unit according to the comparison relationship between different collected temperatures in the running state of the compressor and the temperature detection data comprises:

[0010] In the compressor operating state is in the starting process, the temperature detection data in the cooling water temperature is less than the heat exchange water temperature, and the cooling water temperature is less than the chilled water temperature, determine the cooling water heat exchange requirement state of the cooling water tank in the temperature control unit is needed heat exchange, wherein, the heat exchange water temperature is the collection temperature in the heat exchanger in the temperature control unit, the cooling water temperature is the collection temperature in the cooling water tank, the chilled water temperature is the collection temperature of the first water inlet end of the heat exchanger;

[0011] According to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined.

[0012] Optionally, according to the comparison relationship between the compressor operating state and the different collection temperatures in the temperature detection data, the cooling water heat exchange requirement state of the cooling water tank in the temperature control unit and the cooling water heat exchange mode are determined, comprising:

[0013] In the compressor operating state is in the running, the compressor exhaust pressure is obtained;

[0014] In the compressor exhaust pressure is greater than the pressure threshold, the temperature detection data in the cooling water temperature is greater than the heat exchange water temperature, and the cooling water temperature is greater than the chilled water temperature, determine the cooling water heat exchange requirement state of the cooling water tank in the temperature control unit is needed heat exchange;

[0015] According to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined.

[0016] Optionally, according to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined, comprising:

[0017] When the chilled water temperature is less than the heat exchange water temperature, the circulating heat exchange mode is determined as the cooling water heat exchange mode, wherein the circulating heat exchange mode is used to open the circulating pump between the heat exchanger and the cooling water tank, and open the bypass valve between the first water inlet end and the first water outlet end of the heat exchanger;

[0018] When the chilled water temperature is greater than the heat exchange water temperature, the chilled water participation heat exchange mode is determined as the cooling water heat exchange mode, wherein the chilled water participation heat exchange mode is used to open the circulating pump and close the bypass valve.

[0019] Optionally, after the cooling water heat exchange requirement state of the cooling water tank in the temperature control unit and the cooling water heat exchange mode are determined according to the comparison relationship between the compressor operating state and the different collection temperatures in the temperature detection data, the method further comprises:

[0020] when the cooling water heat exchange demand state of the cooling water tank in the temperature control unit is no heat exchange, obtaining a cooling load increase amount in a preset time period;

[0021] determining, according to the comparison relationship between the cooling load increase amount and the different collected temperatures in the temperature detection data, a heat exchange water heat exchange demand state and a heat exchange water heat exchange mode of the heat exchanger;

[0022] when the heat exchange water heat exchange demand state of the heat exchanger is heat exchange, controlling the temperature control unit to perform heat exchange treatment on the heat exchange water in the heat exchanger according to the heat exchange water heat exchange mode.

[0023] Optionally, the determining, according to the comparison relationship between the cooling load increase amount and the different collected temperatures in the temperature detection data, the heat exchange water heat exchange demand state and the heat exchange water heat exchange mode of the heat exchanger comprises:

[0024] when the cooling load increase amount exceeds a corresponding load threshold value and the chilled water temperature is greater than the heat exchange water temperature in the temperature detection data, determining that the heat exchange water heat exchange demand state of the heat exchanger is heat exchange, and determining that a chilled water heat exchange mode is the heat exchange water heat exchange mode, wherein the chilled water heat exchange mode is used to close a circulating pump between the heat exchanger and the cooling water tank, and close a bypass valve between a first water inlet end and a first water outlet end of the heat exchanger, and is used to raise the heat exchange water temperature by using the chilled water temperature;

[0025] when the cooling load increase amount is less than the corresponding load threshold value and the chilled water temperature is less than the heat exchange water temperature, determining that the heat exchange water heat exchange demand state of the heat exchanger is no heat exchange, and determining that a prohibited heat exchange mode is the heat exchange water heat exchange mode, wherein the prohibited heat exchange mode is used to close the circulating pump and open the bypass valve.

[0026] Optionally, the obtaining the cooling load increase amount in the preset time period comprises:

[0027] obtaining a temperature rising rate of the chilled water received by the heat exchanger in the preset time period;

[0028] determining the temperature rising rate as the cooling load increase amount.

[0029] In a second aspect, the present application provides a temperature control unit control device, which comprises:

[0030] an obtaining module, configured to obtain a compressor running state in a temperature control unit in a temperature control device and temperature detection data;

[0031] determining, according to the compressor operating state and a comparison relationship between different collected temperatures in the temperature detection data, a cooling water heat exchange demand state and a cooling water heat exchange mode of the cooling water tank in the temperature control unit;

[0032] controlling, when the cooling water heat exchange demand state of the cooling water tank is a heat exchange demand, the heat exchanger in the temperature control unit to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange mode, so as to adjust the cooling water temperature in the cooling water tank.

[0033] In a third aspect, the present application provides a temperature control device, which comprises a temperature control unit and a temperature control unit control device connected electrically, wherein the temperature control unit comprises a cooling water tank, a heat exchanger, a compressor and an evaporator, the compressor is connected between the cooling water tank and the evaporator, a cooling water pump is arranged on a connecting pipeline between the compressor and the cooling water tank, an electronic expansion valve is arranged on a connecting pipeline between the cooling water tank and the evaporator, a water inlet end of the evaporator is connected with a first water inlet end of the heat exchanger, a water outlet end of the evaporator is connected with a first water outlet end of the heat exchanger through a water outlet pipeline, a bypass valve is arranged between the first water inlet end and the first water outlet end of the heat exchanger, a second water inlet end of the heat exchanger is connected with a water outlet end of the cooling water tank through a circulating pump, and a second water outlet end of the heat exchanger is connected with a water inlet end of the cooling water tank.

[0034] The temperature control unit control device is configured to determine, according to a compressor operating state and a comparison relationship between different collected temperatures in temperature detection data, a cooling water heat exchange demand state and a cooling water heat exchange mode of the cooling water tank in the temperature control unit, and control, when the cooling water heat exchange demand state of the cooling water tank is a heat exchange demand, the heat exchanger in the temperature control unit to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange mode, so as to adjust the cooling water temperature in the cooling water tank.

[0035] In a fourth aspect, the present application further provides a computer storage medium storing computer executable instructions, which are configured to execute the temperature control unit control method.

[0036] Compared with the prior art, the technical scheme provided by the embodiment of the present application has the following advantages: the method provided by the embodiment of the present application acquires the running state of a compressor in a temperature control unit in a temperature control device and temperature detection data; according to a comparison relationship between different collected temperatures in the running state of the compressor and the temperature detection data, a cooling water heat exchange requirement state and a cooling water heat exchange mode of a cooling water tank in the temperature control unit are determined; when the cooling water heat exchange requirement state of the cooling water tank is heat exchange requirement, the heat exchanger in the temperature control unit is controlled to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange mode, so as to adjust the temperature of the cooling water in the cooling water tank.

[0037] Based on the above method, whether the temperature of the cooling water in the cooling water tank is low and whether heat exchange is required are comprehensively judged according to the running state of the compressor and the temperature detection data. When the cooling water heat exchange requirement state is determined to be heat exchange requirement, it indicates that the temperature of the cooling water in the cooling water tank is low. In order to avoid the low temperature of the cooling water when the compressor starts, which causes the exhaust pressure of the compressor to rapidly decrease, and causes the temperature control unit to be difficult to start or to be in fault shutdown, the heat exchanger is controlled to provide hot water for the cooling water according to the corresponding cooling water heat exchange mode, and the water in the heat exchanger and the water in the cooling water tank are used for heat exchange, so as to increase the temperature of the cooling water. The heat exchange mode does not need to additionally arrange electric heating, and has higher heating efficiency and lower heating energy consumption compared with electric heating, and solves the problems of low heating efficiency, high heating energy consumption and safety hidden danger of long-time heating of the traditional cooling water heat exchange mode. BRIEF DESCRIPTION OF DRAWINGS

[0038] The accompanying drawings, which are incorporated into and form a part of the specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, for those skilled in the art, other drawings can also be obtained from these drawings without any creative labor.

[0040] One or more embodiments are exemplarily illustrated by pictures in the corresponding drawings, and these exemplary illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified. The drawings in the drawings do not constitute a proportional limitation.

[0041] Figure 1 An application environment diagram of a temperature control unit control method provided by the embodiment of the present application;

[0042] Figure 2 A structural schematic diagram of a temperature control unit provided by the embodiment of the present application;

[0043] Figure 3 A flowchart of a temperature control unit control method provided for an embodiment of the present application is shown in FIG. 1.

[0044] Figure 4 A flowchart of a temperature control unit control method provided for an embodiment of the present application is shown in FIG. 1.

[0045] Figure 5 A structure block diagram of a temperature control unit control device provided for an embodiment of the present application is shown in FIG. 2.

[0046] Figure 6 An internal structure diagram of a temperature control device provided for an embodiment of the present application is shown in FIG. 3. DETAILED DESCRIPTION

[0047] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0048] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplifying the present application, the components and settings of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and it does not indicate the relationship between the various embodiments and / or settings discussed.

[0049] Figure 1 An application environment diagram of a temperature control unit control method in an embodiment is shown in FIG. 1. Referring to Figure 1 The temperature control unit control method is applied to a temperature control device. The temperature control device includes a temperature control unit 110 and a temperature control unit control device 120 connected electrically, referring to Figure 2The temperature control unit 110 includes a cooling water tank 111, a heat exchanger 112, a compressor 113 and an evaporator 114. The compressor 113 is connected between the cooling water tank 111 and the evaporator 114. A cooling water pump is arranged on a connecting pipeline between the compressor 113 and the cooling water tank 111. An electronic expansion valve is arranged on a connecting pipeline between the cooling water tank 111 and the evaporator 114. A water inlet end of the evaporator 114 is connected with a first water inlet end of the heat exchanger 112. A water outlet end of the evaporator 114 is connected with a first water outlet end of the heat exchanger 112 through a water outlet pipeline. A bypass valve is arranged between the first water inlet end and the first water outlet end of the heat exchanger 112. A second water inlet end of the heat exchanger 112 is connected with a water outlet end of the cooling water tank 111 through a circulating pump. A second water outlet end of the heat exchanger 112 is connected with a water inlet end of the cooling water tank 111.

[0050] The temperature control unit control device 120 is used to determine the cooling water heat exchange requirement state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 according to the operating state of the compressor 113 and the comparison relationship between different collected temperatures in the temperature detection data. When the cooling water heat exchange requirement state of the cooling water tank 111 is heat exchange requirement, the heat exchanger 112 in the temperature control unit 110 is controlled to perform heat exchange treatment on the cooling water in the cooling water tank 111 according to the cooling water heat exchange mode, so as to adjust the temperature of the cooling water in the cooling water tank 111.

[0051] Specifically, the temperature detection data includes the temperature of the cooling water in the cooling water tank 111, the temperature of the heat exchange water in the heat exchanger 112 and the temperature of the chilled water received by the heat exchanger 112. The heat exchanger 112 is a shell-and-tube heat exchanger 112, which can provide hot water for the cooling water tank 111 to increase the temperature of the cooling water in the cooling water tank 111. The cooling water output by the cooling water tank 111 is transmitted to the heat exchanger 112 through the circulating pump, so as to realize the circulating heat exchange.

[0052] The chilled water output by the evaporator 114 is transmitted to the heat exchanger 112 to participate in the heat exchange treatment in the heat exchanger 112. The on-off state of the bypass valve is used to control whether the chilled water enters the heat exchanger 112 to participate in the heat exchange treatment. When the bypass valve is opened, the chilled water entering the first water inlet end of the heat exchanger 112 passes through the bypass valve to enter the connecting pipeline between the first water outlet end of the heat exchanger 112 and the evaporator 114. In the connecting pipeline, the chilled water circulates back to the evaporator 114, that is, when the bypass valve is opened, the chilled water does not enter the heat exchanger 112 to participate in the heat exchange, but returns to the evaporator 114 through the bypass valve. When the bypass valve is closed, the chilled water entering the first water inlet end of the heat exchanger 112 cannot return to the evaporator 114 through the bypass valve, and directly enters the heat exchanger 112 to participate in the heat exchange treatment.

[0053] In one embodiment, Figure 3 This is a flowchart illustrating a control method for a temperature control unit 110 in one embodiment, with reference to... Figure 3 A control method for a temperature control unit 110 is provided. This embodiment mainly applies this method to the above-mentioned... Figure 1 Taking the temperature control unit 120 as an example, the control method of the temperature control unit 110 specifically includes the following steps:

[0054] Step S210: Obtain the operating status and temperature detection data of the compressor 113 in the temperature control unit 110 of the temperature control equipment.

[0055] Specifically, the compressor 113 is in the process of starting, running, or not started. The method of determining whether the cooling water needs heat exchange is different based on the temperature detection data in different operating states of the compressor 113. The temperature detection data includes a variety of different acquisition temperatures, and different acquisition temperatures correspond to different acquisition locations, such as inside the heat exchanger 112, at the water inlet of the heat exchanger 112, inside the cooling water tank 111, at the water outlet of the evaporator 114, etc.

[0056] Step S220: Based on the operating status of the compressor 113 and the comparison relationship between different collected temperatures in the temperature detection data, determine the cooling water heat exchange demand status and cooling water heat exchange method of the cooling water tank 111 in the temperature control unit 110.

[0057] Specifically, based on the operating status of compressor 113, the criteria for determining whether cooling water tank 111 needs heat exchange are determined under the current operating state. The comparison between different collected temperatures in the temperature detection data is checked to see if it matches the criteria. If it matches, the cooling water heat exchange requirement is determined to be required, indicating that the cooling water temperature in cooling water tank 111 is too low, which would cause a sudden drop in the discharge pressure of compressor 113. If it does not match, the cooling water heat exchange requirement is determined to be not required, indicating that the cooling water temperature in cooling water tank 111 is moderate, and this temperature will not cause a sudden drop in the discharge pressure of compressor 113. In the case of a match, the cooling water heat exchange method is further determined based on the comparison between different collected temperatures in the temperature detection data.

[0058] Step S230: When the cooling water heat exchange demand state of the cooling water tank 111 is that heat exchange is required, the heat exchanger 112 in the temperature control unit 110 is controlled to perform heat exchange treatment on the cooling water in the cooling water tank 111 according to the cooling water heat exchange method, so as to adjust the cooling water temperature in the cooling water tank 111.

[0059] Specifically, when the cooling water heat exchange demand state is in need of heat exchange, the heat exchanger 112 is controlled to exchange heat with the cooling water in the cooling water tank 111 according to the cooling water heat exchange mode. The cooling water heat exchange mode specifically controls the on-off state of the circulating pump and the bypass valve. The circulating pump is arranged on the communication pipeline between the cooling water tank 111 and the heat exchanger 112. The bypass valve is arranged between the first water inlet end and the first water outlet end of the heat exchanger 112. By opening the circulating pump, the water in the heat exchanger 112 is circulated and transmitted to the cooling water tank 111 for heat exchange treatment. Then, the cooling water in the cooling water tank 111 is transmitted to the heat exchanger 112 for heat exchange treatment. The on-off state of the bypass valve is controlled to determine whether the chilled water enters the heat exchanger 112 for heat exchange treatment.

[0060] According to the operating state of the compressor 113 and the temperature detection data, it is comprehensively judged whether the cooling water temperature in the cooling water tank 111 is low and whether heat exchange is needed. When the cooling water heat exchange demand state is determined to be in need of heat exchange, it indicates that the cooling water temperature in the cooling water tank 111 is low. In order to avoid the low cooling water temperature causing the exhaust pressure of the compressor 113 to rapidly decrease when the compressor 113 is started, which leads to the difficulty in starting or fault shutdown of the temperature control unit 110, the heat exchanger 112 is controlled to exchange heat with the cooling water according to the corresponding cooling water heat exchange mode. The water in the heat exchanger 112 exchanges heat with the water in the cooling water tank 111 to adjust the cooling water temperature. This heat exchange mode does not need to additionally arrange an electric heater, and has higher heating efficiency and lower heating energy consumption compared with the electric heating. The problem of low heating efficiency, high heating energy consumption, and safety hazard of long-time heating of the traditional cooling water heat exchange mode is solved.

[0061] In one embodiment, the cooling water heat exchange demand state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 are determined according to the comparison relationship between the operating state of the compressor 113 and the temperature detection data, and the cooling water heat exchange demand state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 are determined according to the comparison relationship between the operating state of the compressor 113 and the temperature detection data.

[0062] When the operating state of the compressor 113 is in the starting process, the cooling water temperature in the temperature detection data is less than the heat exchange water temperature, and the cooling water temperature is less than the chilled water temperature, it is determined that the cooling water heat exchange demand state of the cooling water tank 111 in the temperature control unit 110 is in need of heat exchange. The heat exchange water temperature is the collected temperature in the heat exchanger 112 in the temperature control unit 110. The cooling water temperature is the collected temperature in the cooling water tank 111. The chilled water temperature is the collected temperature at the first water inlet end of the heat exchanger 112.

[0063] The cooling water heat exchange mode is determined according to the comparison relationship between the chilled water temperature and the heat exchange water temperature.

[0064] Specifically, the compressor 113 is in a starting process, indicating that the temperature control unit 110 receives a starting instruction, but the compressor 113 has not been successfully started, that is, the compressor 113 has not been started at this time, but the compressor 113 is about to start. In this running state, the cooling water temperature is less than the heat exchange water temperature, and the cooling water temperature is less than the chilled water temperature, the cooling water temperature is recorded as T1, the heat exchange water temperature is recorded as T2, and the chilled water temperature is recorded as T3, T1 < T2, and T1 < T3, indicating that the cooling water temperature is too low, and it is determined that the cooling water heat exchange requirement state is required to be heat exchanged, but the cooling water heat exchange mode needs to be further determined according to the comparison relationship between the chilled water temperature and the heat exchange water temperature. The cooling water heat exchange mode includes: only using the heat exchanger 112 to exchange heat between the cooling water and the internal water and then providing to the cooling water tank 111, and the chilled water does not participate in the internal heat exchange process of the heat exchanger 112; or using the heat exchanger 112 to exchange heat between the cooling water and the internal water and then providing to the cooling water tank 111, and the chilled water participates in the heat exchange process in the heat exchanger 112.

[0065] The cooling water tank 111 is heat exchanged by a suitable cooling water heat exchange mode, so as to maximize the use of different water temperature heat, improve the water temperature heat utilization rate, and improve the heat exchange efficiency.

[0066] In one embodiment, the cooling water heat exchange requirement state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 are determined according to the comparison relationship between the compressor 113 running state and the temperature detection data, including:

[0067] When the compressor 113 is in a running state, the exhaust pressure of the compressor 113 is obtained.

[0068] When the exhaust pressure of the compressor 113 is greater than the pressure threshold, the cooling water temperature in the temperature detection data is greater than the heat exchange water temperature, and the cooling water temperature is greater than the chilled water temperature, it is determined that the cooling water heat exchange requirement state of the cooling water tank 111 in the temperature control unit 110 is required to be heat exchanged.

[0069] According to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined.

[0070] Specifically, referring to Figure 4, the compressor 113 is in a running state, at this time the compressor 113 has started running, then detect whether the compressor 113 exhaust pressure is too low, the compressor 113 exhaust pressure is compared with the pressure threshold, the compressor 113 exhaust pressure is recorded as P1, the pressure threshold is recorded as P0, if P1>P0, it indicates that the compressor 113 exhaust pressure is higher, but T1>T2, and T1>T3, the cooling water temperature needs to be reduced to reduce the compressor 113 exhaust pressure by using lower cooling water temperature, so it is determined that the cooling water heat exchange demand state is heat exchange, the cooling water temperature is reduced by heat exchange, the cooling water heat exchange mode needs to be further determined according to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode includes: only using the heat exchanger 112 to exchange heat between the cooling water and the internal water and then providing to the cooling water tank 111, the chilled water does not participate in the internal heat exchange process of the heat exchanger 112; Or use the heat exchanger 112 to exchange heat between the cooling water and the internal water and then provide to the cooling water tank 111, the chilled water participates in the heat exchange process in the heat exchanger 112.

[0071] The cooling water tank 111 is heat exchanged by a suitable cooling water heat exchange mode, so as to maximize the use of different water temperature heat, improve the water temperature heat utilization rate, and improve the heat exchange efficiency.

[0072] In one embodiment, according to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined, including:

[0073] When the chilled water temperature is less than the heat exchange water temperature, the circulating heat exchange mode is determined as the cooling water heat exchange mode, wherein the circulating heat exchange mode is used to open the circulating pump between the heat exchanger 112 and the cooling water tank 111, and open the bypass valve between the first water inlet end and the first water outlet end of the heat exchanger 112;

[0074] When the chilled water temperature is greater than the heat exchange water temperature, the chilled water participates in the heat exchange mode is determined as the cooling water heat exchange mode, wherein the chilled water participates in the heat exchange mode is used to open the circulating pump and close the bypass valve.

[0075] Specifically, if T3 < T2, it indicates that the temperature of the heat exchange water in the heat exchanger 112 is higher, and the temperature of the chilled water is lower. In order to quickly change the temperature of the cooling water in the cooling water tank 111, the chilled water with lower temperature is prohibited from entering the heat exchanger 112 to participate in the heat exchange process. The control mode of the circulating pump and the bypass valve is determined as the cooling water heat exchange mode. At this time, only the cooling water and the internal water are heat exchanged by the heat exchanger 112 and then provided to the cooling water tank 111. The chilled water does not participate in the heat exchange process in the heat exchanger 112. The hot water in the heat exchanger 112 is avoided to heat the chilled water in the reverse direction, and part of the heat is consumed to affect the heat exchange effect of the cooling water temperature. At the same time, the heat exchanger 112 is used for heat storage to prepare for the next low ambient temperature start.

[0076] With reference to Figure 4 When the operating state of the compressor 113 is in the starting process, and T2 > T3 > T1, the circulating pump is started. The water with higher temperature in the heat exchanger 112 is used to increase the temperature of the cooling water in the cooling water tank 111 through the circulating heat exchange. After the compressor 113 is started, the cooling water pump is started to avoid the sudden drop of the exhaust pressure P1 of the unit caused by the too low cooling water temperature. Since T3 < T2, the bypass valve is started. The chilled water does not participate in the heat exchange of the shell-and-tube heat exchanger 112 to avoid reverse heating.

[0077] With reference to Figure 4 When the operating state of the compressor 113 is in the running process, and T1 > T2 > T3, and the exhaust pressure P1 is high, the circulating pump is started. The bypass valve is opened. The chilled water does not participate in the heat exchange of the shell-and-tube heat exchanger 112 to avoid reverse heating. At this time, the compressor 113 has a large load, and the operation needs to be fully cooled. The cooling cycle is started to ensure the normal operation of the unit. At the same time, the shell-and-tube heat exchanger 112 is used for heat storage to prepare for the next low ambient temperature start.

[0078] If T2 < T3, it indicates that the temperature of the chilled water is high. The high-temperature heat of the chilled water can be used. Therefore, the control mode of starting the circulating pump and closing the bypass valve is determined as the cooling water heat exchange mode. At this time, the cooling water and the internal water are heat exchanged by the heat exchanger 112 and then provided to the cooling water tank 111. The chilled water participates in the heat exchange process in the heat exchanger 112. Because the temperature of the chilled water is higher than the temperature of the heat exchange water, the chilled water can be used to heat exchange the heat exchange water in the heat exchanger 112, and then heat exchange the cooling water. At the same time, the heat exchanger 112 is used for heat storage to prepare for the next low ambient temperature start.

[0079] With reference to Figure 4In the compressor 113 running state is in the starting process, and T3>T2>T1, then open the circulating pump, through the circulating heat exchange to use the higher temperature water in the heat exchanger 112 to improve the cooling water temperature in the cooling water tank 111, the compressor 113 starts, the cooling water pump is opened, to avoid the lower cooling water temperature leading to the unit exhaust pressure P1 sudden drop. Close the bypass valve, the chilled water participates in the shell and tube heat exchanger 112 heat exchange, reduce the chilled water temperature.

[0080] Referring to Figure 4 In the compressor 113 running state is in the running, and T1>T3>T2, and the exhaust pressure P1 is higher, the chilled water temperature T3 is higher, open the circulating pump, close the bypass valve, the chilled water participates in the shell and tube heat exchanger 112 heat exchange, reduce the chilled water temperature. At this time, the compressor 113 load is larger, the operation needs to be fully cooled, open the cooling cycle to ensure the normal operation of the unit. The heat exchanger 112 carries out heat exchange to store heat, to prepare for the next low ambient temperature start.

[0081] In one embodiment, after determining the cooling water heat exchange demand state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 according to the running state of the compressor 113 and the comparison relationship between different collection temperatures in the temperature detection data, the method further comprises:

[0082] When the cooling water heat exchange demand state of the cooling water tank 111 in the temperature control unit 110 is no need for heat exchange, the use of cold load increase in a preset time is obtained;

[0083] According to the comparison relationship between the use of cold load increase and the different collection temperatures in the temperature detection data, the heat exchange water heat exchange demand state and the heat exchange water heat exchange mode of the heat exchanger 112 are determined;

[0084] When the heat exchange water heat exchange demand state of the heat exchanger 112 is needed for heat exchange, the heat exchanger 112 in the temperature control unit 110 is controlled according to the heat exchange water heat exchange mode to carry out heat exchange treatment on the heat exchange water.

[0085] Specifically, referring to Figure 4 When the compressor 113 running state is not started, it is determined that the cooling water heat exchange demand state is no need for heat exchange, or when the compressor 113 running state and the temperature detection data do not meet the above cooling water heat exchange condition, it is determined that the cooling water heat exchange demand state is no need for heat exchange.

[0086] When the cooling load increase amount is greater than the corresponding load threshold value and the chilled water temperature is greater than the heat exchange water temperature, it is determined that the heat exchange water heat exchange demand state of the heat exchanger 112 is heat exchange required, and the chilled water heat exchange mode is determined as the heat exchange water heat exchange mode. The chilled water heat exchange mode is used to close the circulating pump between the heat exchanger 112 and the cooling water tank 111, and to close the bypass valve between the first water inlet end and the first water outlet end of the heat exchanger 112, so as to use the chilled water temperature to increase the heat exchange water temperature.

[0087] In one embodiment, the heat exchange water heat exchange demand state and the heat exchange water heat exchange mode of the heat exchanger 112 are determined according to the cooling load increase amount and the comparison relationship between different collection temperatures in the temperature detection data, which includes:

[0088] When the cooling load increase amount is greater than the corresponding load threshold value and the chilled water temperature is greater than the heat exchange water temperature, it is determined that the heat exchange water heat exchange demand state of the heat exchanger 112 is heat exchange required, and the chilled water heat exchange mode is determined as the heat exchange water heat exchange mode. The chilled water heat exchange mode is used to close the circulating pump between the heat exchanger 112 and the cooling water tank 111, and to close the bypass valve between the first water inlet end and the first water outlet end of the heat exchanger 112, so as to use the chilled water temperature to increase the heat exchange water temperature.

[0089] When the cooling load increase amount is less than the corresponding load threshold value and the chilled water temperature is less than the heat exchange water temperature, it is determined that the heat exchange water heat exchange demand state of the heat exchanger 112 is no heat exchange required, and the prohibited heat exchange mode is determined as the heat exchange water heat exchange mode. The prohibited heat exchange mode is used to close the circulating pump and open the bypass valve.

[0090] Specifically, referring to Figure 4 When the cooling load increase amount Q is greater than the corresponding load threshold value, it indicates that the compressor 113 will be started soon after a period of time. If T3>T2 at this time, the heat exchange water temperature in the heat exchanger 112 is lower than the chilled water temperature, it is determined that the heat exchange water heat exchange demand state is heat exchange required, and the circulating pump and the bypass valve are closed. At this time, the water stored in the heat exchanger 112 exchanges heat with the chilled water, but does not participate in the cooling water circulation heat exchange. The heat exchanger 112 uses the chilled water to exchange heat and store heat, and prepares for the start of the compressor 113.

[0091] When the cooling load increase Q is less than the corresponding load threshold, it indicates that the compressor 113 does not need to be started in a short time. If T2>T3 at this time, it indicates that the temperature of the heat exchange water in the heat exchanger 112 is higher than the temperature of the chilled water, and it is determined that the heat exchange requirement of the heat exchange water in the heat exchanger 112 is not needed. At this time, the heat exchanger 112 completes heat storage, the circulating pump is closed and the bypass valve is opened, and the chilled water is circulated back to the evaporator 114 through the bypass valve, so as to avoid the heat consumption of the heat exchanger 112 on the chilled water due to reverse heating. The heat stored in the heat exchanger 112 is prepared for the start of the compressor 113.

[0092] In one embodiment, the cooling load increase in the preset time period is obtained by:

[0093] The temperature rise rate of the chilled water received by the heat exchanger 112 in the preset time period is obtained.

[0094] The temperature rise rate is determined as the cooling load increase.

[0095] Specifically, the temperature rise rate of the chilled water received by the first water inlet end of the heat exchanger 112 in the preset time period is detected as the cooling load increase in the preset time period. If the temperature rise rate of the chilled water is greater than the corresponding rate threshold, and the temperature of the chilled water is greater than or equal to the preset chilled temperature, it indicates that the cooling load increase is greater than the corresponding load threshold. On the contrary, if the temperature rise rate of the chilled water is less than the corresponding rate threshold, and / or the temperature of the chilled water is less than the preset chilled temperature, it indicates that the cooling load increase is less than the corresponding load threshold.

[0096] For example, if the temperature rise rate of the chilled water is 0.5°C / min and exceeds 15°C, it indicates that the cooling load is gradually increasing, and the compressor 113 will be started. In this way, it can be accurately determined whether the compressor 113 will be started, so as to accurately determine whether the temperature of the heat exchange water in the heat exchanger 112 needs to be heated in advance to meet the heat exchange requirement when the compressor 113 is started, so as to avoid the insufficient heat storage in the heat exchanger 112 to heat the chilled water when the compressor 113 is started, thereby affecting the stability of the start of the compressor 113.

[0097] Figure 3 And Figure 4 is a flowchart of the control method of the temperature control unit 110 in one embodiment. It should be understood that, although Figure 3 and Figure 4 the steps in the flowchart are displayed in sequence according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified in this article, the execution of these steps has no strict order limitation, and these steps can be executed in other orders. Moreover, Figure 3 and Figure 4At least one of the steps in the method can comprise a plurality of sub-steps or stages which are not necessarily performed at the same time but can be performed at different times and in which the order of the sub-steps or stages is not necessarily sequential but can be performed in rotation or alternation with other steps or sub-steps or stages of other steps.

[0098] In one embodiment, as shown in FIG. 1, a temperature control unit control device 120 is provided, comprising: Figure 5

[0099] An acquisition module 310 is configured to acquire a running state of a compressor 113 in a temperature control unit 110 and temperature detection data.

[0100] A determination module 320 is configured to determine a cooling water heat exchange requirement state and a cooling water heat exchange mode of a cooling water tank 111 in the temperature control unit 110 according to a comparison relationship between different collection temperatures in the temperature detection data and the running state of the compressor 113.

[0101] A control module 330 is configured to control a heat exchanger 112 in the temperature control unit 110 to perform heat exchange treatment on cooling water in the cooling water tank 111 according to the cooling water heat exchange mode when the cooling water heat exchange requirement state of the cooling water tank 111 is heat exchange requirement, so as to adjust a cooling water temperature in the cooling water tank 111.

[0102] In one embodiment, the determination module 320 is further configured to:

[0103] when the running state of the compressor 113 is in a starting process, the cooling water temperature in the temperature detection data is less than a heat exchange water temperature, and the cooling water temperature is less than a chilled water temperature, determine that the cooling water heat exchange requirement state of the cooling water tank 111 in the temperature control unit 110 is heat exchange requirement, wherein the heat exchange water temperature is a collection temperature in the heat exchanger 112 in the temperature control unit 110, the cooling water temperature is a collection temperature in the cooling water tank 111, and the chilled water temperature is a collection temperature of a first water inlet end of the heat exchanger 112;

[0104] determine the cooling water heat exchange mode according to a comparison relationship between the chilled water temperature and the heat exchange water temperature.

[0105] In one embodiment, the determination module 320 is further configured to:

[0106] when the running state of the compressor 113 is in a running process, acquire a compressor 113 exhaust pressure;

[0107] ​when the compressor 113 exhaust pressure is greater than a pressure threshold, the cooling water temperature in the temperature detection data is greater than the heat exchange water temperature, and the cooling water temperature is greater than the chilled water temperature, determining that the cooling water heat exchange demand state of the cooling water tank 111 in the temperature control unit 110 is heat exchange required;

[0108] According to the comparison relationship between the chilled water temperature and the heat exchange water temperature, the cooling water heat exchange mode is determined.

[0109] In an embodiment, the determining module 320 is further configured to:

[0110] when the chilled water temperature is less than the heat exchange water temperature, determining a circulation heat exchange mode as the cooling water heat exchange mode, wherein the circulation heat exchange mode is used to open a circulation pump between the heat exchanger 112 and the cooling water tank 111, and open a bypass valve between a first water inlet end and a first water outlet end of the heat exchanger 112;

[0111] when the chilled water temperature is greater than the heat exchange water temperature, determining a chilled water participation heat exchange mode as the cooling water heat exchange mode, wherein the chilled water participation heat exchange mode is used to open the circulation pump and close the bypass valve.

[0112] In an embodiment, the determining module 320 is further configured to:

[0113] when the cooling water heat exchange demand state of the cooling water tank 111 in the temperature control unit 110 is heat exchange not required, obtaining a cooling load increase amount within a preset time length;

[0114] According to the comparison relationship between the cooling load increase amount and different collection temperatures in the temperature detection data, a heat exchange water heat exchange demand state and a heat exchange water heat exchange mode of the heat exchanger 112 are determined.

[0115] when the heat exchange water heat exchange demand state of the heat exchanger 112 is heat exchange required, controlling the temperature control unit 110 to perform heat exchange treatment on the heat exchange water in the heat exchanger 112 according to the heat exchange water heat exchange mode.

[0116] In an embodiment, the determining module 320 is further configured to:

[0117] when the cold load increase amount exceeds the corresponding load threshold and the chilled water temperature is greater than the heat exchange water temperature in the temperature detection data, determining that the heat exchange water heat exchange demand state of the heat exchanger 112 is heat exchange needed, and determining the chilled water heat exchange mode as the heat exchange water heat exchange mode, wherein the chilled water heat exchange mode is used to close the circulating pump between the heat exchanger 112 and the cooling water tank 111, and close the bypass valve between the first water inlet end and the first water outlet end of the heat exchanger 112, and is used to raise the heat exchange water temperature by using the chilled water temperature;

[0118] when the cold load increase amount is less than the corresponding load threshold and the chilled water temperature is less than the heat exchange water temperature, determining that the heat exchange water heat exchange demand state of the heat exchanger 112 is heat exchange not needed, and determining the prohibited heat exchange mode as the heat exchange water heat exchange mode, wherein the prohibited heat exchange mode is used to close the circulating pump and open the bypass valve.

[0119] In one embodiment, the determination module 320 is further configured to:

[0120] obtain a temperature rise rate of the chilled water received by the heat exchanger 112 within a preset time length;

[0121] determine the temperature rise rate as the cold load increase amount.

[0122] As shown in Figure 6 The embodiment of the present application provides a temperature control device, which comprises a processor 711, a communication interface 712, a memory 713 and a communication bus 714, wherein the processor 711, the communication interface 712 and the memory 713 complete mutual communication through the communication bus 714;

[0123] The memory 713 is configured to store a computer program.

[0124] The processor 711 is configured to execute the program stored in the memory 713, and implement the temperature control unit 110 control method provided in any one of the preceding method embodiments.

[0125] Those skilled in the art can understand that Figure 6 The structure shown in the figure is only a block diagram of part of the structure related to the scheme of the present application, and does not constitute a limitation on the temperature control device to which the scheme of the present application is applied. The specific temperature control device can comprise more or fewer components than those shown in the figure, or combine certain components, or have a different component arrangement.

[0126] In one embodiment, the temperature control unit control device 120 provided by the present application can be realized in the form of a computer program. The computer program can run in a computer environment as Figure 6The temperature control device shown is running. The memory of the temperature control device can store various program modules that constitute the temperature control unit 120, such as, Figure 5 The acquisition module 310, the determination module 320 and the control module 330 shown constitute the computer program. The computer program enables the processor to execute the temperature control unit 110 control method of various embodiments of the present application described in the specification.

[0127] Figure 6 The temperature control device shown can be obtained by, for example, Figure 5 The acquisition module 310 in the temperature control unit 120 shown performs acquisition of the operating state of the compressor 113 in the temperature control unit 110 in the temperature control device and temperature detection data. The temperature control device can perform determination of the cooling water heat exchange requirement state and the cooling water heat exchange mode of the cooling water tank 111 in the temperature control unit 110 according to the comparison relationship between different collected temperatures in the compressor 113 operating state and the temperature detection data by the determination module 320. The temperature control device can perform heat exchange treatment of the cooling water in the cooling water tank 111 by the heat exchanger 112 in the temperature control unit 110 according to the cooling water heat exchange mode when the cooling water heat exchange requirement state of the cooling water tank 111 is heat exchange requirement by the control module 330, so as to adjust the cooling water temperature in the cooling water tank 111.

[0128] The embodiments of the present application also provide a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor to implement the temperature control unit 110 control method provided by any one of the preceding method embodiments.

[0129] The device embodiments described above are only schematic, wherein the units shown as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Part or all of the modules can be selected according to actual needs to achieve the purpose of the present embodiment scheme.

[0130] From the above description of the embodiments, those skilled in the art can clearly understand that the embodiments can be implemented by means of software plus a general hardware platform, and of course can also be implemented by hardware. Based on such understanding, the above technical solutions essentially or in other words make contributions to the related art, which can be embodied in the form of a software product, and the computer software product can be stored in a computer readable storage medium, such as a ROM / RAM, a magnetic disk, an optical disk, etc., and includes a plurality of instructions to make a temperature control device (which can be a personal computer, a server, or a network device, etc.) execute the method described in various embodiments or some parts of the embodiments.

[0131] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order

[0132] The above description is merely that of the specific embodiments of the application and as such is not to be taken in a limiting sense. Various modifications and alterations of the described embodiments will become apparent to those skilled in the art from the foregoing description, which does not limit the scope of the application to the described embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application cover the modifications and variations of this application provided they come within the scope of the appended claims and their equivalents.

Claims

1. A method for controlling a temperature-controlled unit, characterized in that, The method includes: Acquire the compressor operating status and temperature detection data within the temperature control unit of the temperature control equipment; Based on the compressor's operating status and the comparison relationship between different collected temperatures in the temperature detection data, the cooling water heat exchange demand status and cooling water heat exchange method of the cooling water tank in the temperature control unit are determined. When the cooling water in the cooling water tank requires heat exchange, the heat exchanger in the temperature control unit is controlled to perform heat exchange on the cooling water in the cooling water tank according to the cooling water heat exchange method, so as to adjust the cooling water temperature in the cooling water tank.

2. The method according to claim 1, characterized in that, The step of determining the cooling water heat exchange requirement and cooling water heat exchange method of the cooling water tank in the temperature control unit based on the compressor operating status and the comparison relationship between different collected temperatures in the temperature detection data includes: When the compressor is in the startup state, and the cooling water temperature is lower than the hot water temperature and the cooling water temperature is lower than the chilled water temperature in the temperature detection data, it is determined that the cooling water heat exchange demand state of the cooling water tank in the temperature control unit is that heat exchange is required. Here, the hot water temperature is the temperature collected in the heat exchanger in the temperature control unit, the cooling water temperature is the temperature collected in the cooling water tank, and the chilled water temperature is the temperature collected at the first inlet end of the heat exchanger. The cooling water heat exchange method is determined based on the comparison between the chilled water temperature and the hot water temperature.

3. The method according to claim 1, characterized in that, The step of determining the cooling water heat exchange requirement and cooling water heat exchange method of the cooling water tank in the temperature control unit based on the compressor operating status and the comparison relationship between different collected temperatures in the temperature detection data includes: When the compressor is in operation, the compressor discharge pressure is obtained; When the compressor discharge pressure is greater than the pressure threshold, the cooling water temperature in the temperature detection data is greater than the hot water temperature, and the cooling water temperature is greater than the chilled water temperature, the cooling water heat exchange demand status of the cooling water tank in the temperature control unit is determined to be heat exchange required. The cooling water heat exchange method is determined based on the comparison between the chilled water temperature and the hot water temperature.

4. The method according to claim 2 or 3, characterized in that, The cooling water heat exchange method is determined based on the comparison between the chilled water temperature and the hot water temperature, including: When the chilled water temperature is lower than the hot water temperature, the circulating heat exchange method is determined to be the cooling water heat exchange method. The circulating heat exchange method is used to turn on the circulating pump between the heat exchanger and the cooling water tank, and to turn on the bypass valve between the first inlet end and the first outlet end of the heat exchanger. When the chilled water temperature is greater than the heat exchange water temperature, the chilled water participation in the heat exchange is determined as the cooling water heat exchange method, wherein the chilled water participation in the heat exchange method is used to start the circulation pump and close the bypass valve.

5. The method according to claim 1, characterized in that, After determining the cooling water heat exchange requirement and cooling water heat exchange method of the cooling water tank in the temperature control unit based on the compressor operating status and the comparison relationship between different collected temperatures in the temperature detection data, the method further includes: When the cooling water heat exchange demand state of the cooling water tank in the temperature control unit is no longer required, the increase in cooling load within a preset time period is obtained. Based on the comparison between the increase in cooling load and the different collected temperatures in the temperature detection data, the heat exchange demand status of the heat exchanger and the heat exchange mode of the heat exchanger are determined. When the heat exchanger requires heat exchange, the temperature control unit is controlled to perform heat exchange on the hot water in the heat exchanger according to the heat exchange method.

6. The method according to claim 5, characterized in that, The step of determining the heat exchanger's hot water heat exchange demand status and hot water heat exchange mode based on the comparison relationship between the increase in cooling load and different collected temperatures in the temperature detection data includes: When the increase in cooling load exceeds the corresponding load threshold and the chilled water temperature in the temperature detection data is greater than the hot water temperature, the hot water heat exchange demand status of the heat exchanger is determined to be heat exchange required, and the chilled water heat exchange mode is determined to be the hot water heat exchange mode. The chilled water heat exchange mode is used to shut down the circulation pump between the heat exchanger and the cooling water tank, and to shut down the bypass valve between the first inlet and the first outlet of the heat exchanger, so as to use the chilled water temperature to raise the hot water temperature. When the increase in cooling load is less than the corresponding load threshold and the chilled water temperature is less than the hot water temperature, the hot water heat exchange demand state of the heat exchanger is determined to be no heat exchange required, and the prohibited heat exchange mode is determined to be the hot water heat exchange mode. The prohibited heat exchange mode is used to shut down the circulating pump and open the bypass valve.

7. The method according to claim 5, characterized in that, The acquisition of the increase in cooling load within a preset time period includes: The rate of temperature rise of the chilled water received by the heat exchanger within a preset time period is obtained; The rate of temperature rise is determined by the increase in cooling load.

8. A temperature control unit control device, characterized in that, The temperature control unit control device includes: The acquisition module is used to acquire the compressor operating status and temperature detection data in the temperature control unit of the temperature control equipment; The determination module is used to determine the cooling water heat exchange demand status and cooling water heat exchange method of the cooling water tank in the temperature control unit based on the compressor operating status and the comparison relationship between different collected temperatures in the temperature detection data. The control module is used to control the heat exchanger in the temperature control unit to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange method when the cooling water heat exchange demand state of the cooling water tank is heat exchange required, so as to adjust the cooling water temperature in the cooling water tank.

9. A temperature control device, characterized in that, The temperature control equipment includes an electrically connected temperature control unit and a temperature control unit control device as described in claim 8. The temperature control unit includes a cooling water tank, a heat exchanger, a compressor, and an evaporator. The compressor is connected between the cooling water tank and the evaporator. A cooling water pump is provided on the connecting pipe between the compressor and the cooling water tank. An electronic expansion valve is provided on the connecting pipe between the cooling water tank and the evaporator. The water inlet of the evaporator is connected to the first water inlet of the heat exchanger. The water outlet of the evaporator is connected to the first water outlet of the heat exchanger through an outlet pipe. A bypass valve is provided between the first water inlet and the first water outlet of the heat exchanger. The second water inlet of the heat exchanger is connected to the water outlet of the cooling water tank through a circulating pump. The second water outlet of the heat exchanger is connected to the water inlet of the cooling water tank. The temperature control unit control device is used to determine the cooling water heat exchange demand status and cooling water heat exchange method of the cooling water tank in the temperature control unit according to the compressor operating status and the comparison relationship between different collected temperatures in the temperature detection data; when the cooling water heat exchange demand status of the cooling water tank is that heat exchange is required, the device controls the heat exchanger in the temperature control unit to perform heat exchange treatment on the cooling water in the cooling water tank according to the cooling water heat exchange method, so as to adjust the cooling water temperature in the cooling water tank.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by a processor, it implements the method of any one of claims 1 to 7.

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