Indoor refrigeration system, control method and device, electronic equipment and storage medium

Abstract

The invention provides an indoor refrigeration system, a control method and device, electronic equipment and a storage medium, and the indoor refrigeration system comprises a refrigerant unit, an air cooler and an air conditioning unit; the refrigerant unit is connected with the air cooler and the air conditioning unit and used for transmitting a refrigerant to the air cooler and / or the air conditioning unit so that cooling can be conducted through the air cooler and / or the air conditioning unit. Through the application, the requirements of indoor temperature adjustment and cleanliness can be met due to the refrigeration scheme of the refrigerant unit and the simultaneous matching of the air cooler and the air conditioning unit at the tail end, and the problem of dew formation during operation of the air conditioning unit can be effectively avoided due to no need of adopting a water system; and the air cooler and the air conditioning unit adopt the same refrigerant for refrigeration, linkage control can be simplified, and the problems that in the related technology, linkage control among multiple systems is complex, and a combined air conditioning unit has a condensation risk in air supply and cannot be started are solved.

Description

Technical Field

[0001] The present application relates to the field of refrigeration technology, and in particular to an indoor refrigeration system, a control method and device, an electronic device and a storage medium. Background Art

[0002] As people pay more and more attention to food safety issues, low-temperature processing workshops in the food processing industry need to meet processing technology requirements. The temperature of this type of low-temperature processing workshop is generally required to be around 8 to 12°C. Some operating rooms are clean areas, and air-conditioning units need to meet both indoor cleanliness and temperature requirements.

[0003] In order to meet the above requirements, two systems are used in related technologies: fluorine refrigeration system + water system. The end of the fluorine refrigeration system is equipped with a cold air blower, and the end of the water system is equipped with a combined air conditioning unit to meet the indoor temperature and cleanliness requirements respectively. However, during the operation of the system, the use of the above two systems has complex linkage control, and there is a risk of condensation when the combined air conditioning unit supplies air. In addition, since the combined air conditioning unit turns on the unit by detecting the return air temperature, there is a technical problem that the return air temperature is too low in the low-temperature processing room, and the combined air conditioning unit cannot be turned on.

[0004] It can be seen that the relevant technology has the problem of complex linkage control between multiple systems, and the combined air-conditioning unit has the risk of condensation when supplying air and cannot be turned on. Summary of the invention

[0005] The present application provides an indoor refrigeration system, a control method and device, an electronic device and a storage medium, so as to at least solve the problems in the related art of complex linkage control among multiple systems, the risk of condensation in the air supply of the combined air-conditioning unit and the inability to be turned on.

[0006] According to one aspect of an embodiment of the present application, there is provided an indoor refrigeration system, comprising: a refrigerant unit, an air cooler, and an air conditioning unit;

[0007] The refrigerant unit is connected to the air cooler and the air conditioning unit, and is used to transmit the refrigerant to the air cooler and / or the air conditioning unit, so as to provide cooling through the air cooler and / or the air conditioning unit.

[0008] Optionally, as in the aforementioned indoor refrigeration system, the refrigerant unit is an ethylene glycol unit, the refrigerant is an ethylene glycol solution, and the air-conditioning unit is a combined air-conditioning unit.

[0009] Optionally, the indoor refrigeration system as described above further includes: a first valve, a second valve and a third valve;

[0010] The first valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air cooler;

[0011] The second valve is arranged between the refrigerant outflow end of the air cooler and the refrigerant inflow end of the air conditioning unit;

[0012] The third valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air conditioning unit;

[0013] The refrigerant outflow end of the air conditioning unit is connected to the refrigerant return end of the refrigerant unit.

[0014] Optionally, the indoor refrigeration system as described above further includes: an energy storage component for storing cold, a fourth valve and a fifth valve;

[0015] The fourth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the energy storage component;

[0016] The fifth valve is arranged between the refrigerant outflow end of the energy storage component and the refrigerant inflow end of the refrigerant unit.

[0017] Optionally, the indoor refrigeration system as described above further includes: a sixth valve and a seventh valve;

[0018] The sixth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air refrigeration system, wherein the air refrigeration system includes the air cooler and the air conditioning unit;

[0019] The seventh valve is arranged between the refrigerant outflow end of the air refrigeration system and the refrigerant inflow end of the refrigerant unit.

[0020] Optionally, the indoor refrigeration system as described above further comprises: a solution pump for controlling the flow rate of the refrigerant in the air cooler and / or the air conditioning unit;

[0021] The solution pump is provided at a refrigerant outflow end or a refrigerant inflow end of the refrigerant unit.

[0022] According to another aspect of the embodiment of the present application, a control method for an indoor refrigeration system is also provided, including:

[0023] When it is determined that the current period is a peak electricity period and there is a combined cooling demand, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit to perform combined cooling through the air cooler and the air conditioning unit.

[0024] Optionally, as in the aforementioned control method, the transferring of the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit comprises:

[0025] The refrigerant unit is controlled to pass through the air cooler and the air conditioning unit in sequence, so as to perform step-by-step utilization of the refrigerant in the refrigerant unit.

[0026] Optionally, as in the aforementioned control method, the method further includes:

[0027] When it is determined that the current temperature of the target environment is within the target temperature range, the current operating frequency of the solution pump is maintained unchanged, and the combined cooling is continued, wherein the target environment is the cooling environment of the air cooler and the air conditioning unit, and the solution pump is used to control the flow rate of the refrigerant in the air cooler and the air conditioning unit;

[0028] When it is determined that the current temperature of the target environment is higher than the upper limit of the target temperature range, the refrigeration efficiency of the air cooler and the air conditioning unit is increased by controlling the current operating frequency of the solution pump to increase;

[0029] When it is determined that the current temperature of the target environment is lower than the lower limit of the target temperature range, the cooling efficiency of the air cooler and the air-conditioning unit is reduced by controlling the current operating frequency of the solution pump to be reduced; after the duration of reducing the current operating frequency of the solution pump exceeds a preset duration, if the latest current temperature of the target environment is still lower than the lower limit of the target temperature range, the operation of the air cooler is shut down.

[0030] Optionally, as in the aforementioned control method, the method further includes:

[0031] When it is determined that the current period is off-peak and there is no demand for cooling, the refrigerant in the refrigerant unit is transferred to the energy storage component to store cold through the energy storage component until the cold storage of the energy storage component reaches a maximum value, wherein the demand for cooling is the demand for cooling through at least one of the air cooler and the air conditioning unit.

[0032] According to another aspect of the embodiment of the present application, a control device for an indoor refrigeration system is also provided, comprising:

[0033] The control module is used to transfer the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit to provide combined cooling through the air cooler and the air conditioning unit when it is determined that the current period is a peak electricity period and there is a demand for combined cooling.

[0034] According to another aspect of the embodiments of the present application, there is also provided an electronic device, including a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus; wherein the memory is used to store a computer program; and the processor is used to execute the method steps in any of the above embodiments by running the computer program stored in the memory.

[0035] According to another aspect of the embodiments of the present application, a computer-readable storage medium is provided, in which a computer program is stored, wherein the computer program is configured to execute the method steps in any of the above embodiments when executed.

[0036] In the embodiment of the present application, a refrigerant unit is used to transfer refrigerant to a cold air machine and / or an air conditioning unit for refrigeration, and the indoor refrigeration system includes: a refrigerant unit, a cold air machine and an air conditioning unit; the refrigerant unit is connected to the cold air machine and the air conditioning unit, and is used to transfer refrigerant to the cold air machine and / or the air conditioning unit, so as to provide cooling through the cold air machine and / or the air conditioning unit. Thus, a solution of refrigeration by the refrigerant of the same refrigerant unit can be realized, and the end of the refrigerant unit is equipped with a cold air machine and an air conditioning unit at the same time, which can meet the requirements of indoor temperature adjustment and cleanliness. Since there is no need to use a water system, the air conditioning unit can effectively avoid condensation during operation, and the cold air machine and the air conditioning unit both use the same refrigerant for refrigeration, which can also simplify the linkage control, thereby solving the problems of complex linkage control between multiple systems, condensation risk and inability to start the combined air conditioning unit in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0038] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0039] Figure 1 is a schematic diagram of an optional indoor refrigeration system according to an embodiment of the present application;

[0040] Figure 2 is a schematic diagram of a hardware environment of an optional control method for an indoor refrigeration system according to an embodiment of the present application;

[0041] Figure 3 is a schematic diagram of an optional control method for an indoor refrigeration system according to an embodiment of the present application;

[0042] Figure 4 It is a structural block diagram of an optional electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0044] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0045] Figure 1 is a schematic diagram of an optional indoor refrigeration system according to an embodiment of the present application, such as Figure 1 An indoor refrigeration system is shown, comprising: a refrigerant unit, an air cooler and an air conditioning unit;

[0046] The refrigerant unit is connected to the air cooler and the air conditioning unit for transmitting the refrigerant to the air cooler and / or the air conditioning unit so as to provide cooling through the air cooler and / or the air conditioning unit.

[0047] Specifically, the refrigerant unit is a unit device for realizing heat exchange by circulating refrigerant. In addition, in this embodiment, the refrigerant unit is connected to the air cooler and the air conditioning unit to realize cooling.

[0048] The refrigerant unit may include components such as a compressor, a condenser, an evaporator, and an expansion valve to form a refrigeration cycle, wherein the compressor is used to compress the low-pressure refrigerant into a high-pressure gas, which is liquefied after dissipating heat through the condenser, and the pressure and temperature are reduced through the expansion valve, and finally the refrigerant absorbs heat and evaporates in the evaporator to complete the refrigeration cycle. Refrigerant solution circulation: The refrigerant solution circulates through the evaporator through a pump, absorbs the coldness of the refrigerant, and reduces the temperature. Optionally, a cooling tower may also be provided, which is connected to the refrigerant unit through a water cooling system. The condenser of the refrigerant unit is usually connected to the water cooling system. The water in the water cooling system is connected to the cooling tower through a pipeline to form a closed-loop system. The water in the cooling tower circulates through the condenser of the ethylene glycol unit through a cooling water pump, and the temperature rises after absorbing heat. The heated water reduces the temperature through the evaporative cooling process in the cooling tower, and then circulates back to the condenser again, thereby achieving the purpose of cooling and dissipating heat of the condenser of the refrigerant unit.

[0049] The refrigerant unit is connected to the air cooler to transfer the low-temperature refrigerant solution to the air cooler. The air is blown through the coil containing the low-temperature refrigerant in the air cooler by the fan. The refrigerant solution absorbs the heat in the air and cools the air. Furthermore, the indoor temperature can be precisely controlled by adjusting the flow and temperature of the refrigerant solution.

[0050] In this embodiment, the refrigerant unit can be connected to the air cooler and the air conditioning unit respectively to achieve the purpose of cooling by the air cooler and the air conditioning unit respectively, and the refrigerant unit can also be connected in series with the air cooler and the air conditioning unit to achieve the purpose of joint cooling by the refrigerant unit and the air cooler at the same time. In addition, the refrigerant unit, the air cooler and the air conditioning unit can also be connected in other ways, which are not limited here.

[0051] The refrigerant unit is operatively connected to the air conditioning unit and can enable the air conditioning unit to perform cooling by transferring the refrigerant solution to the air conditioning unit in a similar refrigeration manner as an air cooler.

[0052] In this embodiment, a refrigerant unit is used to transfer refrigerant to a cold air machine and / or an air conditioning unit for refrigeration, and the indoor refrigeration system includes: a refrigerant unit, a cold air machine and an air conditioning unit; the refrigerant unit is connected to the cold air machine and the air conditioning unit, and is used to transfer refrigerant to the cold air machine and / or the air conditioning unit, so as to provide cooling through the cold air machine and / or the air conditioning unit. Thus, a solution of using the refrigerant of the same refrigerant unit for refrigeration can be realized, and the end of the refrigerant unit is equipped with a cold air machine and an air conditioning unit at the same time, which can meet the requirements of indoor temperature adjustment and cleanliness. Since there is no need to use a water system, the air conditioning unit can effectively avoid condensation during operation, and the cold air machine and the air conditioning unit both use the same refrigerant for refrigeration, which can also simplify the linkage control, thereby solving the problems of complex linkage control between multiple systems, condensation risk and inability to start the combined air conditioning unit in the related art.

[0053] As an optional embodiment, as in the aforementioned indoor refrigeration system, the refrigerant unit is an ethylene glycol unit, the refrigerant is an ethylene glycol solution, and the air conditioning unit is a combined air conditioning unit. That is to say, in this embodiment, by using ethylene glycol solution as the refrigerant, the refrigerant unit is a unit for cold circulation through ethylene glycol solution. And the ethylene glycol solution is circulated in the indoor refrigeration system to achieve the purpose of indoor refrigeration. Since ethylene glycol has a low freezing point, the system can operate normally even in a very cold environment to prevent the cooling system from freezing in winter; in addition, ethylene glycol has a wide operating temperature range, that is, the ethylene glycol solution can remain liquid in a wide temperature range, so that ethylene glycol can adapt to a variety of different application requirements; and ethylene glycol has good thermal conductivity, can effectively transfer heat, so that heat can be quickly transferred, thereby improving the efficiency of the indoor refrigeration system in this embodiment; at the same time, ethylene glycol has stable chemical properties in a wide temperature range and is not easy to decompose or deteriorate, which allows ethylene glycol to still maintain its performance during long-term use, which can effectively reduce maintenance costs. In this embodiment, a combined air-conditioning unit is used as the air-conditioning unit, so that dust particles in the air can be removed through primary and medium efficiency filters, and the air humidity in the environment can be adjusted and fresh air can be introduced through a humidifier or dehumidifier according to needs and preset target humidity, thereby improving the indoor air quality.

[0054] like Figure 1As shown, as an optional embodiment, the indoor refrigeration system as mentioned above also includes: a first valve, a second valve and a third valve; the first valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the cold air fan; the second valve is arranged between the refrigerant outflow end of the cold air fan and the refrigerant inflow end of the air-conditioning unit; the third valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air-conditioning unit; the refrigerant outflow end of the air-conditioning unit is connected to the refrigerant return end of the refrigerant unit.

[0055] That is to say, when it is necessary to cool the air cooler and the air conditioning unit together, the first valve and the second valve can be opened, so that the refrigerant flowing out of the refrigerant outflow end of the refrigerant unit can pass through the air cooler and the air conditioning unit in sequence, thereby achieving the purpose of controlling the refrigerant unit to pass through the air cooler and the air conditioning unit in sequence, that is, after being used by the air cooler, the refrigerant in the refrigerant unit can be further used by the air conditioning unit, thereby achieving the purpose of step-by-step utilization of the refrigerant in the refrigerant unit. For example, when the refrigerant unit is an ethylene glycol unit and the refrigerant is an ethylene glycol solution, the pipelines between the air cooler and the combined air conditioning unit are connected in series, and the ethylene glycol solution passes through the air cooler and the combined air conditioning unit in sequence (the default setting value of the water outlet temperature of the ethylene glycol unit is: -2°C), realizing the step-by-step utilization of the cooling capacity.

[0056] When only the air conditioning unit is needed for refrigeration, the first valve and the second valve can be closed, and only the third valve can be opened, so that the refrigerant flowing out of the refrigerant outflow end of the refrigerant unit can enter the air conditioning unit, thereby achieving the purpose of refrigeration only through the air conditioning unit. For example, still taking the refrigerant unit as an ethylene glycol unit and the refrigerant as an ethylene glycol solution as an example, by closing the first valve and the second valve and only opening the third valve, the ethylene glycol solution cannot enter the air cooler through the first valve, and can only enter the air conditioning unit through the third valve, so that only the air conditioning unit can be used for refrigeration.

[0057] Through the system of this embodiment, a method of cooling by both a cold air machine and an air conditioning unit is provided, and a method of cooling only by an air conditioning unit is also provided, which can effectively improve the application scenarios of the system.

[0058] As an optional embodiment, the indoor refrigeration system as mentioned above also includes: an energy storage component for storing cold, a fourth valve and a fifth valve; the fourth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the energy storage component; the fifth valve is arranged between the refrigerant outflow end of the energy storage component and the refrigerant inflow end of the refrigerant unit.

[0059] In this embodiment, the energy storage component is a device for storing cold. In particular, the energy storage component can be a technology that uses low-peak electricity or renewable energy at night to make ice or store cold, so that the stored cold can be used during the day or during peak hours to meet air conditioning or refrigeration needs. The cold storage component can effectively reduce the peak-to-valley difference of the power grid, improve energy utilization efficiency, and reduce operating costs. Optionally, the energy storage component in this embodiment can be a combination of one or more of the following:

[0060] 1. Ice storage system: It can further include: static ice coil system, dynamic ice system and ice crystal system. The static ice coil system is used to: install ice coils in the cold storage tank, and low-temperature water freezes into ice in the coils; the dynamic ice system is used to: directly make ice in the cold storage tank, and ice and water are mixed and stored; the ice crystal system is used to: prepare ice crystals in the cold storage tank, and release cold energy through the dissolution of ice crystals.

[0061] 2. Water cold storage system: It may further include: cold water storage system and temperature difference cold storage system. The cold water storage system is used to: produce low-temperature water during the low-peak period at night and store it in the cold storage tank; the temperature difference cold storage system is used to: use the temperature difference between high and low temperature water to store cold energy.

[0062] 3. Phase change material (PCM) cold storage system: Use phase change materials (such as brine solution, paraffin, etc.) as energy storage media to store and release cold energy during the phase change process.

[0063] The energy storage component in this embodiment is connected to the refrigerant unit through the fourth valve and the fifth valve, and the fourth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the energy storage component, and is used to input the refrigerant from the refrigerant unit into the energy storage component; the fifth valve is arranged between the refrigerant outflow end of the energy storage component and the refrigerant inflow end of the refrigerant unit, and is used to return the refrigerant that has been used for cold storage in the energy storage component to the refrigerant component. Moreover, under normal circumstances, when it is determined that the current is a valley power period, and there is no need for cold classification and any of the air-conditioning units to provide cooling, the refrigerant in the refrigerant unit is transferred to the energy storage component to store cold through the energy storage component, and the operation of storing cold can continue until the cold storage of the energy storage component reaches the maximum value, and then each device in this embodiment is shut down to stop the system from running.

[0064] As an optional embodiment, the indoor refrigeration system as mentioned above further includes: a sixth valve and a seventh valve; the sixth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air refrigeration system, wherein the air refrigeration system includes an air cooler and an air conditioning unit; the seventh valve is arranged between the refrigerant outflow end of the air refrigeration system and the refrigerant inflow end of the refrigerant unit. That is to say, in this embodiment, the air cooler and the air conditioning unit can be regarded as an air refrigeration system as a whole. In addition, the air refrigeration system is connected to the above-mentioned refrigerant unit through the sixth valve and the seventh valve. The sixth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air refrigeration system, and the seventh valve is arranged between the refrigerant outflow end of the air refrigeration system and the refrigerant inflow end of the refrigerant unit. Furthermore, the purpose of controlling the refrigerant of the refrigerant unit to be unable to enter the air refrigeration system and stopping refrigeration through the air refrigeration system can be achieved by controlling the sixth valve and the seventh valve to be closed.

[0065] As an optional embodiment, the indoor refrigeration system as described above further includes: a solution pump for controlling the flow rate of the refrigerant in the air cooler and / or air conditioning unit; the refrigerant outflow end or the refrigerant inflow end of the refrigerant unit is provided with a solution pump. Specifically, since the solution pump is used to control the flow rate of the refrigerant in the air cooler and / or air conditioning unit, the solution pump can be arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air refrigeration system, or between the refrigerant inflow end of the refrigerant unit and the refrigerant outflow end of the air refrigeration system. Moreover, when the target environment for cooling of the air cooler and / or air conditioning unit is too cold, the flow rate of the refrigerant in the air cooler and / or air conditioning unit can be reduced by controlling the solution pump, so as to increase the temperature of the target environment by reducing the refrigeration, and when the target environment for cooling of the air cooler and / or air conditioning unit is too hot, the flow rate of the refrigerant in the air cooler and / or air conditioning unit can be accelerated by controlling the solution pump, so as to increase the refrigeration, so as to reduce the temperature of the target environment. The system of this embodiment adopts a solution pump to control the flow rate of the refrigerant in the air cooler and / or air conditioning unit through the solution pump, thereby achieving the purpose of adjusting the refrigeration efficiency of the air cooler and / or air conditioning unit.

[0066] According to one aspect of an embodiment of the present application, a control method for an indoor refrigeration system is provided. Optionally, in this embodiment, the control method for an indoor refrigeration system can be applied to Figure 2 In the hardware environment composed of terminal 1402 and server 1404 shown in FIG. Figure 2As shown, server 1404 is connected to terminal 1402 via a network, and can be used to provide services (such as game services, application services, etc.) for the terminal or a client installed on the terminal. A database can be set up on the server or independently of the server to provide data storage services for server 1404.

[0067] The above network may include but is not limited to at least one of the following: wired network, wireless network. The above wired network may include but is not limited to at least one of the following: wide area network, metropolitan area network, local area network, and the above wireless network may include but is not limited to at least one of the following: WIFI (Wireless Fidelity), Bluetooth. The terminal may not be limited to a PC, a mobile phone, a tablet computer, etc.

[0068] The control method of the indoor refrigeration system of the embodiment of the present application can be executed by a server, a terminal, or a server and a terminal together. The terminal can also execute the control method of the indoor refrigeration system of the embodiment of the present application by a client installed thereon.

[0069] Taking the control method of the indoor refrigeration system in this embodiment executed by the terminal as an example, a control method of the indoor refrigeration system provided in an embodiment of the present application includes the following steps:

[0070] Step 101, when it is determined that the current period is a peak electricity period and there is a demand for combined cooling, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit to perform combined cooling through the air cooler and the air conditioning unit.

[0071] Specifically, it is possible to determine whether the current time is a peak power period or a valley power period by determining the current time and comparing the current time with the preset peak power time interval and valley power time interval. The peak power period is the period corresponding to the peak power consumption period, and the valley power period is the period corresponding to the low power consumption period. Since the electricity fee during the peak power period is higher than that during the valley power period, the electricity during the peak power period is only used for cooling.

[0072] In this embodiment, when it is determined that the current power peak period is in progress and there is a demand for combined cooling, the refrigerant in the refrigerant unit is transferred to the air cooler and the air conditioning unit to provide combined cooling through the air cooler and the air conditioning unit. The combined cooling demand is the demand for the air cooler and the air conditioning unit to perform cooling together, that is, the combined cooling demand needs to meet both the indoor temperature demand and the indoor cleanliness demand.

[0073] In the embodiment of the present application, the refrigerant in the refrigerant unit is transferred to the air cooler and the air conditioning unit, so as to provide joint cooling through the air cooler and the air conditioning unit. Thus, the solution of using the refrigerant of the same refrigerant unit for refrigeration can be realized. The end of the refrigerant unit is equipped with an air cooler and an air conditioning unit at the same time, which can meet the requirements of indoor temperature adjustment and cleanliness. Since there is no need to use a water system, the air conditioning unit can effectively avoid condensation during operation. Moreover, the air cooler and the air conditioning unit use the same refrigerant for refrigeration, which can also simplify the linkage control, thereby solving the problems of complex linkage control between multiple systems, condensation risk and inability to start the combined air conditioning unit in the related art.

[0074] As an optional implementation, as in the aforementioned control method, the aforementioned step 101 of transferring the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit can be implemented by the following steps: controlling the refrigerant unit to pass through the air cooler and the air conditioning unit in sequence to perform step-by-step utilization of the refrigerant in the refrigerant unit. Figure 1 When the indoor refrigeration system shown is controlled, if it is necessary to cool the air cooler and the air conditioning unit together, the first valve and the second valve can be controlled to open to achieve the purpose of controlling the refrigerant unit to pass through the air cooler and the air conditioning unit in sequence. In this case, the refrigerant flowing out of the refrigerant outflow end of the refrigerant unit can pass through the air cooler and the air conditioning unit in sequence, thereby achieving the purpose of controlling the refrigerant unit to pass through the air cooler and the air conditioning unit in sequence. That is to say, after being used by the air cooler, the refrigerant in the refrigerant unit can be further used by the air conditioning unit, thereby achieving the purpose of step-by-step utilization of the refrigerant in the refrigerant unit. For example, when the refrigerant unit is an ethylene glycol unit and the refrigerant is an ethylene glycol solution, the pipelines between the air cooler and the combined air conditioning unit are connected in series, and the ethylene glycol solution passes through the air cooler and the combined air conditioning unit in sequence (the default setting value of the water outlet temperature of the ethylene glycol unit is: -2°C), thereby achieving step-by-step utilization of the cooling capacity.

[0075] As an optional implementation, as the aforementioned control method, the method further includes the following steps:

[0076] Step 201, when it is determined that the current temperature of the target environment is within the target temperature range, the current operating frequency of the solution pump is maintained unchanged, and the combined cooling is continued, wherein the target environment is the cooling environment of the air cooler and the air conditioning unit, and the solution pump is used to control the flow rate of the refrigerant in the air cooler and the air conditioning unit. Optionally, a sensor for temperature detection can be set in the target environment to obtain the current temperature T of the target environment, and then the current temperature can be compared with the target temperature range to determine the relationship between the current temperature of the target environment and the target temperature range. The target temperature range can be the indoor target temperature T of the target environment.目 The temperature range after floating up and down according to a temperature deviation value △T (for example, △T defaults to 1℃ and is adjustable within the range of 0 to 2℃), that is, [T 目 -△T,T 目 +△T]. If the indoor target temperature T 目 -△T≤Current temperature T≤Indoor target temperature T 目 +△T, the operating status of each system component remains unchanged, the current operating frequency of the solution pump is maintained unchanged, and combined cooling continues.

[0077] In addition, if the current cooling mode is not combined cooling, it is only necessary to maintain the current cooling mode unchanged. For example, if the current cooling mode is that the energy storage component provides cooling through radiation heat exchange and the air cooler and air conditioner provide cooling through convection heat exchange, the cooling mode should continue to be that the energy storage component provides cooling through radiation heat exchange and the air cooler and air conditioner provide cooling through convection heat exchange; if the current cooling mode is that the energy storage component provides cooling through radiation heat exchange and the air conditioner provides cooling through convection heat exchange, the cooling mode should continue to be that the energy storage component provides cooling through radiation heat exchange and the air conditioner provides cooling through convection heat exchange.

[0078] Step 202, when it is determined that the current temperature of the target environment is higher than the upper limit of the target temperature range, the current operating frequency of the solution pump is increased by controlling to increase the refrigeration efficiency of the air cooler and the air conditioning unit. Specifically, when it is determined that the current temperature of the target environment is higher than the upper limit of the target temperature range, it means that the current temperature of the target environment is too high, the refrigeration efficiency of the air cooler and the air conditioning unit is too low, and the refrigeration efficiency needs to be increased. That is, if the current temperature T> indoor target temperature T+△T (i.e., the upper limit of the target temperature range), the current operating frequency of the solution pump can be increased by controlling to speed up the rate at which the refrigerant flows into the air cooler and the air conditioning unit, thereby increasing the refrigeration efficiency of the air cooler and the air conditioning unit. Further, the refrigeration operating frequency of the solution pump can be gradually increased and the latest temperature of the target environment can be observed to be within the target temperature range. If it is not less than the upper limit of the target temperature range, the current operating frequency of the solution pump is continuously controlled to increase until it is maximum.

[0079] Step 203, when it is determined that the current temperature of the target environment is lower than the lower limit of the target temperature range, the current operating frequency of the solution pump is controlled to be reduced to reduce the refrigeration efficiency of the air cooler and the air conditioning unit; after the duration of reducing the current operating frequency of the solution pump exceeds the preset duration, if the latest current temperature of the target environment is still lower than the lower limit of the target temperature range, the operation of the air cooler is turned off. Specifically, when it is determined that the current temperature of the target environment is lower than the lower limit of the target temperature range, it means that the current temperature of the target environment is too low, the refrigeration efficiency of the air cooler and the air conditioning unit is too high, and the refrigeration efficiency needs to be increased or decreased. That is, if the current temperature T< the indoor target temperature T<ΔT (i.e., the lower limit of the target temperature range), the current operating frequency of the solution pump can be controlled to be reduced to reduce the rate at which the refrigerant flows into the air cooler and the air conditioning unit, thereby reducing the refrigeration efficiency of the air cooler and the air conditioning unit. Furthermore, the duration of reducing the cooling efficiency of the air cooler and the air conditioning unit does not exceed a preset duration t1, which can be a preset maximum duration of the joint operation of the air cooler and the air conditioning unit when the real-time temperature of the environment is lower than the lower limit of the target temperature range when the air cooler and the air conditioning unit jointly provide cooling. Furthermore, after the duration of reducing the current operating frequency of the solution pump exceeds the preset duration t1, and the latest current temperature of the target environment is still lower than the lower limit of the target temperature range, if the latest current temperature T 新 <Indoor target temperature T - △T (△T default 1℃, 0~2℃ adjustable), can be closed by control Figure 1 The first valve and the second valve shown in the figure only open the third valve to shut down the operation of the air cooler, and the end is only cooled by the air conditioning unit, or when the energy storage component can still radiate heat exchange, the air conditioning unit and the energy storage component can jointly provide cooling.

[0080] As an optional implementation, such as the aforementioned control method, the method also includes the following steps: when it is determined that the current period is off-peak electricity and there is no demand for cooling, the refrigerant in the refrigerant unit is transferred to the energy storage component to store cold through the energy storage component until the cold storage of the energy storage component reaches a maximum value, wherein the cooling demand is the demand for cooling through at least one of the air cooler and the air conditioning unit.

[0081] In this embodiment, the energy storage component is a device for cold storage. In particular, the energy storage component can be a technology that uses low-peak electricity or renewable energy at night to make ice or store cold, so that the stored cold can be used during the day or peak hours to meet air conditioning or refrigeration needs. The cold storage component can effectively reduce the peak-to-valley difference of the power grid, improve energy utilization efficiency, and reduce operating costs. Optionally, the energy storage component in this embodiment can be a combination of one or more of the following: Ice storage system: can further include: a static ice coil system, a dynamic ice system and an ice crystal system. Among them, the static ice coil system is used to: an ice coil is provided in the cold storage tank, and low-temperature water freezes into ice in the coil; the dynamic ice system is used to: directly make ice in the cold storage tank, and ice and water are mixed and stored; the ice crystal system is used to: prepare ice crystals in the cold storage tank, and release cold through the dissolution of ice crystals. Water cold storage system: can further include: a cold water storage system and a temperature difference cold storage system. Among them, the cold water storage system is used to produce low-temperature water during the low-peak period at night and store it in the cold storage tank; the temperature difference cold storage system is used to store cold energy by using the temperature difference between high and low temperature water. The phase change material (PCM) cold storage system uses phase change materials (such as brine solution, paraffin, etc.) as energy storage media to store and release cold energy during the phase change process.

[0082] Because Figure 1 As shown: the fourth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the energy storage component, and is used to input the refrigerant from the refrigerant unit into the energy storage component; the fifth valve is arranged between the refrigerant outflow end of the energy storage component and the refrigerant inflow end of the refrigerant unit, and is used to return the refrigerant that has been used for cold storage in the energy storage component to the refrigerant component. Therefore, when it is determined that there is no need to provide cooling through at least one of the air cooler and the air conditioning unit, the control can be performed as follows. Figure 1 The fourth valve and the fifth valve are opened, and the sixth valve and the seventh valve are closed, so that the energy storage component is connected to the refrigerant unit through the opened fourth valve and the fifth valve. In addition, in this embodiment, it is also necessary to transfer the refrigerant in the refrigerant unit to the energy storage component to store cold through the energy storage component only when it is determined that the current period is off-peak, and there is no need for cold classification and any of the air-conditioning units to provide cooling (that is, there is no cooling demand). The operation of storing cold can continue until the cold storage of the energy storage component reaches the maximum value, and then shut down each device in this embodiment to stop the system from running.

[0083] It should be noted that, for the aforementioned method embodiments, for the sake of simplicity, they are all expressed as a series of action combinations, but those skilled in the art should be aware that the present application is not limited by the described order of actions, because according to the present application, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.

[0084] Through the description of the above implementation methods, those skilled in the art can clearly understand that the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as ROM (Read-Only Memory) / RAM (Random Access Memory), a disk, or an optical disk), and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0085] like Figure 3 As shown, an application example of a control method for an indoor refrigeration system using any of the above embodiments is provided:

[0086] Monitor whether there are available equipment (e.g., air cooler, combined air conditioning unit (i.e., one of the optional air conditioning units), glycol unit (i.e., an optional refrigerant unit), etc.) in the low-temperature workshop refrigeration system (i.e., the indoor refrigeration system used in the low-temperature workshop). If not, the system will issue a fault alarm. If all components of the low-temperature workshop refrigeration system are in a usable state, the low-temperature workshop refrigeration system will be started and operated.

[0087] System startup and operation:

[0088] Cold storage mode: During off-peak hours, the ethylene glycol unit and the ethylene glycol solution pump (i.e., the solution pump for transmitting the ethylene glycol solution) start running, the sixth valve and the seventh valve are closed, the fourth valve and the fifth valve are opened, the ethylene glycol solution circulates in the energy storage component for heat exchange, and the energy storage component stores cold until the cold storage of the energy storage component reaches the maximum value, all equipment is shut down, and the system stops running.

[0089] Combined cooling mode: During peak power periods, the ethylene glycol unit and the ethylene glycol solution pump start running, the third valve, the fourth valve and the fifth valve are closed, the first valve, the second valve, the sixth valve and the seventh valve are opened, and the energy storage component combines cooling through radiation heat exchange with convection heat exchange of the air cooler and the combined air-conditioning unit. The pipes between the air cooler and the combined air-conditioning unit are connected in series, and the ethylene glycol solution passes through the air cooler and the combined air-conditioning unit in turn (the default setting value of the water outlet temperature of the ethylene glycol unit is: -2°C), realizing the cascade utilization of cooling capacity.

[0090] Monitor the current temperature in the room. If the indoor target temperature T 目 -△T≤Current temperature T≤Indoor target temperature T 目 +△T (△T defaults to 1℃ and can be adjusted between 0 and 2℃), the operating status of each component of the system remains unchanged.

[0091] If the current temperature T> indoor target temperature T 目 +△T, the operating frequency of the ethylene glycol solution pump increases to the maximum.

[0092] If the current temperature T< indoor target temperature T 目 -△T, the operating frequency of the glycol solution pump decreases and lasts for t1 time. If the indoor real-time temperature T< the indoor target temperature T 目 -△T, close the first valve and the second valve, open the third valve, turn off the operation of the air cooler, and the terminal is cooled by the combined air conditioning unit and the energy storage component.

[0093] According to another aspect of the embodiment of the present application, a control device for an indoor refrigeration system for implementing the control method of the indoor refrigeration system is also provided. The device may include:

[0094] According to another aspect of the embodiment of the present application, a control device for an indoor refrigeration system is also provided, comprising:

[0095] The control module is used to transfer the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit to provide combined cooling through the air cooler and the air conditioning unit when it is determined that the current period is a peak electricity period and there is a demand for combined cooling.

[0096] It should be noted that the control module in this embodiment can be used to execute the above step 101.

[0097] Through the above module, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit, so as to provide joint cooling through the air cooler and the air conditioning unit. Thus, the solution of using the refrigerant of the same refrigerant unit for refrigeration can be realized. The end of the refrigerant unit is equipped with an air cooler and an air conditioning unit at the same time, which can meet the indoor temperature adjustment and cleanliness requirements. Since there is no need to use a water system, the air conditioning unit can effectively avoid condensation during operation. The air cooler and the air conditioning unit use the same refrigerant for refrigeration, which can also simplify the linkage control, thereby solving the problems of complex linkage control between multiple systems, condensation risk and inability to start the combined air conditioning unit in the related technology.

[0098] As an optional embodiment, as the aforementioned control device, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit, including:

[0099] The refrigerant unit is controlled to pass through the air cooler and the air conditioning unit in sequence to achieve step-by-step utilization of the refrigerant in the refrigerant unit.

[0100] As an optional implementation, the control device as described above further includes an adjustment module, and the adjustment module is configured to:

[0101] When it is determined that the current temperature of the target environment is within the target temperature range, the current operating frequency of the solution pump is maintained unchanged, and the combined cooling is continued, wherein the target environment is the cooling environment of the air cooler and the air conditioning unit, and the solution pump is used to control the flow rate of the refrigerant in the air cooler and the air conditioning unit;

[0102] When it is determined that the current temperature of the target environment is higher than the upper limit of the target temperature range, the current operating frequency of the solution pump is increased by controlling to increase the refrigeration efficiency of the air cooler and the air conditioning unit;

[0103] When it is determined that the current temperature of the target environment is lower than the lower limit of the target temperature range, the cooling efficiency of the air cooler and the air-conditioning unit is reduced by controlling the current operating frequency of the solution pump to be reduced; after the duration of reducing the current operating frequency of the solution pump exceeds a preset duration, if the latest current temperature of the target environment is still lower than the lower limit of the target temperature range, the operation of the air cooler is turned off.

[0104] As an optional implementation, the control device as described above further includes: a cold storage module;

[0105] The cold storage module is used to transfer the refrigerant in the refrigerant unit to the energy storage component to store cold through the energy storage component when it is determined that the current period is off-peak and there is no demand for cooling, until the cold storage of the energy storage component reaches a maximum value, wherein the demand for cooling is the demand for cooling through at least one of the air cooler and the air conditioning unit.

[0106] The device in this embodiment, in addition to the above modules, may also include a module for executing any method in any of the above-mentioned embodiments of the control method for the indoor refrigeration system.

[0107] It should be noted that the examples and application scenarios implemented by the above modules and corresponding steps are the same, but are not limited to the contents disclosed in the above embodiments. It should be noted that the above modules as part of the device can be run in Figure 2 In the hardware environment shown, it can be implemented by software or by hardware, wherein the hardware environment includes a network environment.

[0108] According to another aspect of the embodiments of the present application, an electronic device for implementing the control method of the indoor refrigeration system is also provided. The electronic device may be a server, a terminal, or a combination thereof.

[0109] According to another embodiment of the present application, there is also provided an electronic device, including: Figure 4 As shown, the electronic device may include: a processor 1501 , a communication interface 1502 , a memory 1503 and a communication bus 1504 , wherein the processor 1501 , the communication interface 1502 , and the memory 1503 communicate with each other via the communication bus 1504 .

[0110] Memory 1503, used for storing computer programs;

[0111] The processor 1501 is used to implement the following steps when executing the program stored in the memory 1503:

[0112] When it is determined that the current period is a peak electricity period and there is a combined cooling demand, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit to perform combined cooling through the air cooler and the air conditioning unit.

[0113] Optionally, in this embodiment, the above-mentioned communication bus can be a PCI (Peripheral Component Interconnect) bus, or an EISA (Extended Industry Standard Architecture) bus, etc. The communication bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, only one thick line is used in the figure, but it does not mean that there is only one bus or one type of bus. The communication interface is used for communication between the above-mentioned electronic device and other devices.

[0114] The memory may include a random access memory (RAM) or a non-volatile memory (NVM), such as at least one disk memory. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

[0115] As an example, the memory 1503 may include, but is not limited to, a control module in the control device of the indoor refrigeration system. In addition, it may also include, but is not limited to, other module units in the control device of the indoor refrigeration system, which will not be described in detail in this example.

[0116] The above-mentioned processor can be a general-purpose processor, which can include but not be limited to: CPU (Central Processing Unit), NP (Network Processor), etc.; it can also be DSP (Digital Signal Processor), ASIC (Application Specific Integrated Circuit), FPGA (Field-Programmable Gate Array) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.

[0117] An embodiment of the present application further provides a computer-readable storage medium, the storage medium including a stored program, wherein the method steps of the above method embodiment are executed when the program is run.

[0118] Optionally, in this embodiment, the storage medium may include, but is not limited to, various media that can store program codes, such as a USB flash drive, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk.

[0119] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0120] If the integrated units in the above embodiments are implemented in the form of software functional units and sold or used as independent products, they can be stored in the above computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling one or more computer devices (which may be personal computers, servers, or network devices, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.

[0121] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0122] In the several embodiments provided in the present application, it should be understood that the disclosed client can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0123] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution provided in this embodiment.

[0124] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0125] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. An indoor refrigeration system, characterized in that: include: Refrigerant units, air coolers and air conditioning units; The refrigerant unit is connected to the air cooler and the air conditioning unit, and is used to transmit the refrigerant to the air cooler and / or the air conditioning unit, so as to provide cooling through the air cooler and / or the air conditioning unit.

2. The indoor refrigeration system according to claim 1, characterized in that: The refrigerant unit is an ethylene glycol unit, the refrigerant is an ethylene glycol solution, and the air-conditioning unit is a combined air-conditioning unit.

3. The indoor refrigeration system according to claim 1, characterized in that: Also includes: a first valve, a second valve, and a third valve; The first valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air cooler; The second valve is arranged between the refrigerant outflow end of the air cooler and the refrigerant inflow end of the air conditioning unit; The third valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air conditioning unit; The refrigerant outflow end of the air conditioning unit is connected to the refrigerant return end of the refrigerant unit.

4. The indoor refrigeration system according to claim 1, characterized in that: Also includes: An energy storage component, a fourth valve, and a fifth valve for storing cold; The fourth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the energy storage component; The fifth valve is arranged between the refrigerant outflow end of the energy storage component and the refrigerant inflow end of the refrigerant unit.

5. The indoor refrigeration system according to claim 1, characterized in that: Also includes: The sixth valve and the seventh valve; The sixth valve is arranged between the refrigerant outflow end of the refrigerant unit and the refrigerant inflow end of the air refrigeration system, wherein the air refrigeration system includes the air cooler and the air conditioning unit; The seventh valve is arranged between the refrigerant outflow end of the air refrigeration system and the refrigerant inflow end of the refrigerant unit.

6. The indoor refrigeration system according to claim 1, characterized in that: Also includes: a solution pump for controlling the flow rate of the refrigerant in the air cooler and / or the air conditioning unit; The solution pump is provided at a refrigerant outflow end or a refrigerant inflow end of the refrigerant unit.

7. A control method for an indoor refrigeration system, characterized in that: include: When it is determined that the current period is a peak electricity period and there is a combined cooling demand, the refrigerant in the refrigerant unit is transmitted to the air cooler and the air conditioning unit to perform combined cooling through the air cooler and the air conditioning unit.

8. The control method according to claim 7, characterized in that: The method of transmitting the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit comprises: The refrigerant unit is controlled to pass through the air cooler and the air conditioning unit in sequence, so as to perform step-by-step utilization of the refrigerant in the refrigerant unit.

9. The control method according to claim 7, characterized in that: The method further comprises: When it is determined that the current temperature of the target environment is within the target temperature range, the current operating frequency of the solution pump is maintained unchanged, and the combined cooling is continued, wherein the target environment is the cooling environment of the air cooler and the air conditioning unit, and the solution pump is used to control the flow rate of the refrigerant in the air cooler and the air conditioning unit; When it is determined that the current temperature of the target environment is higher than the upper limit of the target temperature range, the refrigeration efficiency of the air cooler and the air conditioning unit is increased by controlling the current operating frequency of the solution pump to increase; When it is determined that the current temperature of the target environment is lower than the lower limit of the target temperature range, the cooling efficiency of the air cooler and the air-conditioning unit is reduced by controlling the current operating frequency of the solution pump to be reduced; after the duration of reducing the current operating frequency of the solution pump exceeds a preset duration, if the latest current temperature of the target environment is still lower than the lower limit of the target temperature range, the operation of the air cooler is shut down.

10. The control method according to claim 7, characterized in that: The method further comprises: When it is determined that the current period is off-peak and there is no demand for cooling, the refrigerant in the refrigerant unit is transferred to the energy storage component to store cold through the energy storage component until the cold storage of the energy storage component reaches a maximum value, wherein the demand for cooling is the demand for cooling through at least one of the air cooler and the air conditioning unit.

11. A control device for an indoor refrigeration system, characterized in that: include: The control module is used to transfer the refrigerant in the refrigerant unit to the air cooler and the air conditioning unit to provide combined cooling through the air cooler and the air conditioning unit when it is determined that the current period is a peak electricity period and there is a demand for combined cooling.

12. An electronic device comprising a processor, a communication interface, a memory and a communication bus, wherein: The processor, the communication interface and the memory communicate with each other via the communication bus, wherein: The memory is used to store computer programs; The processor is configured to execute the method according to any one of claims 7 to 10 by running the computer program stored in the memory.

13. A computer-readable storage medium, characterized in that: The storage medium stores a computer program, wherein the computer program is configured to execute the method according to any one of claims 7 to 10 when executed.

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