Low-temperature control system and method of intelligent power conversion cabinet, power conversion cabinet and storage medium

Abstract

The invention relates to a low-temperature control system and method for an intelligent battery replacement cabinet, the battery replacement cabinet and a storage medium, and the system comprises a temperature detection unit which is used for carrying out the temperature detection of a battery in the battery replacement cabinet, obtaining a first temperature value of the battery, and transmitting the first temperature value to a main control unit; the main control unit is used for acquiring a preset temperature threshold value and judging whether the first temperature value is greater than the temperature threshold value or not, and if so, marking the battery as a low-temperature battery; if not, marking the battery as a normal-temperature battery; controlling a low-temperature battery to discharge to the normal-temperature battery, and monitoring the battery real-time temperature of the low-temperature battery in real time in the discharging process; and when the real-time battery temperature is greater than the temperature threshold value, controlling the low-temperature battery to stop discharging to the normal-temperature battery. The battery in the low-temperature state is discharged after being detected, and the temperature is kept not lower than a certain temperature by discharging the battery, so that the charging performance of the electric cabinet is stable, and the energy consumption is reduced.

Description

Technical Field

[0001] The present application relates to the field of power exchange cabinet control technology, and in particular to a low-temperature control system, method, power exchange cabinet and storage medium of an intelligent power exchange cabinet. Background Art

[0002] In the cold winter, the ambient temperature in northern regions usually drops to a very low level, and even causes the battery swap cabinet to be unable to charge the battery normally. At present, the commonly used method in the industry is to install PTC heating plates inside the battery swap cabinet to try to solve the problem caused by low temperature. However, this method has several obvious defects: First, the heating effect of the PTC heating sheet is poor, and it cannot guarantee the charging performance of the battery at low temperatures, and requires the assistance of insulation materials; secondly, this heating method consumes a large amount of electricity resources and generates excessively high electricity bills, resulting in energy and economic waste.

[0003] Based on the above reasons, there is a vacancy in the market for smart battery exchange cabinets in low-temperature areas. Summary of the invention

[0004] The embodiments of the present application provide a low-temperature control system, method, battery exchange cabinet and storage medium for an intelligent battery exchange cabinet, so as to at least solve the problem in the related art that the existing battery exchange cabinet heating method has high energy consumption and unstable charging performance under low temperature environment.

[0005] In a first aspect, an embodiment of the present application provides a low temperature control system of an intelligent power exchange cabinet, which is applied in the intelligent power exchange cabinet. The intelligent power exchange cabinet includes multiple batteries, including: A temperature detection unit, used to detect the temperature of the battery in the intelligent battery swap cabinet, obtain a first temperature value of the battery and send it to a main control unit; The main control unit is used to obtain a preset temperature threshold and determine whether the first temperature value is less than the temperature threshold. If so, the battery is marked as a low-temperature battery; if not, the battery is marked as a normal-temperature battery; determine whether all normal-temperature batteries need to be charged, if so, control the low-temperature battery to discharge to the normal-temperature battery, if not, control the low-temperature battery to discharge to a preset load; monitor the real-time battery temperature of the low-temperature battery in real time during the discharge process, and control the low-temperature battery to stop when the real-time battery temperature is greater than the temperature threshold.

[0006] In one embodiment, it further includes: An inverter, wherein the input end of the inverter is connected to the low-temperature battery, and the output end is connected to a contactor, and the inverter is used to convert the voltage output by the low-temperature battery into a rated voltage; A contactor, wherein the input ends of the contactor are respectively connected to the rated voltage and the mains power, and the contactor is used for selectively switching the output of the rated voltage and the mains power under the control of the main control unit.

[0007] In one embodiment, the determining whether all normal temperature batteries need to be charged includes: Determine the battery power of the normal temperature battery in the battery exchange cabinet, and when the battery power is less than a preset power threshold, switch to charging the normal temperature battery from the mains; When the battery power is greater than or equal to a power threshold, the mains power is controlled to stop charging the normal temperature battery.

[0008] In one embodiment, the main control unit further includes a communication module, and the main control unit obtains the charging and discharging parameters set by the user through the communication module, wherein the charging and discharging parameters include a first power value and a second power value, and the main control unit is further used to: When it is identified that the low-temperature battery is discharging the normal-temperature battery, reducing the incoming power of the power exchange cabinet; When it is identified that the low-temperature battery stops discharging the normal-temperature battery, the incoming power of the power exchange cabinet is restored to a preset value.

[0009] In one embodiment, the temperature control system of the intelligent battery exchange cabinet also includes multiple chargers, which are connected one-to-one with multiple batteries. The chargers are used to receive the rated voltage or AC power output by the contactor and provide stable current and voltage to the batteries.

[0010] In a second aspect, an embodiment of the present application provides a low temperature control method for an intelligent power exchange cabinet, which is applied to the low temperature control system of the intelligent power exchange cabinet described in any of the above embodiments, and the method includes: Performing temperature detection on a battery in a power exchange cabinet to obtain a first temperature value of the battery; Obtaining a preset temperature threshold, and determining whether the first temperature value is less than the temperature threshold, if so, marking the battery as a low-temperature battery; if not, marking the battery as a normal-temperature battery; Determine whether all normal temperature batteries need to be charged, if so, control the low temperature battery to discharge to the normal temperature battery, if not, control the low temperature battery to discharge to a preset load; The real-time battery temperature of the low-temperature battery is monitored in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, the low-temperature battery is controlled to stop discharging.

[0011] In one embodiment, the determining whether all normal temperature batteries need to be charged includes: Determine the battery power of the normal temperature battery in the battery exchange cabinet, and when the battery power is less than a preset power threshold, switch to charging the normal temperature battery from the mains; When the battery power is greater than or equal to a power threshold, the mains power is controlled to stop charging the normal temperature battery.

[0012] In one embodiment, the method further comprises: When it is identified that the low-temperature battery discharges the normal-temperature battery, the incoming power of the power swap cabinet is set to a first power value; When it is identified that the low-temperature battery stops discharging the normal-temperature battery, the incoming power of the power exchange cabinet is restored to a second power value, wherein the first power value is less than the second power value.

[0013] In a third aspect, an embodiment of the present application provides a smart battery exchange cabinet, comprising multiple batteries and a low temperature control system of the smart battery exchange cabinet described in any of the above embodiments.

[0014] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the low-temperature control method for the intelligent power exchange cabinet as described in the first aspect above.

[0015] The low temperature control system, method, power exchange cabinet and storage medium of the intelligent power exchange cabinet provided in the embodiments of the present application have at least the following technical effects: The present application detects the temperature of the battery in the battery exchange cabinet through a temperature detection unit, obtains the first temperature value of the battery and sends it to the main control unit; then the main control unit obtains a preset temperature threshold, and determines whether the first temperature value is less than the temperature threshold, if so, the battery is marked as a low-temperature battery; if not, the battery is marked as a normal temperature battery; determines whether all normal temperature batteries need to be charged, if so, controls the low temperature battery to discharge to the normal temperature battery, if not, controls the low temperature battery to discharge to a preset load; monitors the real-time battery temperature of the low temperature battery in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, controls the low temperature battery to stop discharging. The present application discharges the battery after detecting that it is in a low temperature state, and maintains the battery temperature not lower than a certain temperature by discharging the battery, thereby achieving insulation of the electric cabinet in a low temperature environment even without heating materials, and ensuring stable charging performance of the electric cabinet; and since no additional heating materials are installed on the cabinet body, energy consumption is reduced.

[0016] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 This is a structural block diagram of a low temperature control system of an intelligent power exchange cabinet in one embodiment of the present application; Figure 2 This is a control flow chart of the discharge process of the intelligent battery swap cabinet in one embodiment of the present application; Figure 3 This is a circuit structure block diagram of a low temperature control system of an intelligent power exchange cabinet in another embodiment of the present application; Figure 4 This is a flow chart of a low temperature control method for an intelligent battery exchange cabinet in one embodiment of the present application. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application is described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0019] Obviously, the drawings described below are only some examples or embodiments of the present application. For ordinary technicians in this field, the present application can also be applied to other similar scenarios based on these drawings without creative work. In addition, it can also be understood that although the efforts made in this development process may be complicated and lengthy, for ordinary technicians in this field related to the content disclosed in this application, some changes in design, manufacturing or production based on the technical content disclosed in this application are just conventional technical means, and should not be understood as insufficient content disclosed in this application.

[0020] Reference to "embodiments" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0021] Unless otherwise defined, the technical terms or scientific terms involved in this application should be understood by people with ordinary skills in the technical field to which this application belongs. The words "one", "a", "a", "the" and the like involved in this application do not indicate a quantity limitation, and may indicate the singular or plural. The terms "include", "comprise", "have" and any of their variations involved in this application are intended to cover non-exclusive inclusions; for example, a process, method, system, product or device that includes a series of steps or modules (units) is not limited to the listed steps or units, but may also include steps or units that are not listed, or may also include other steps or units inherent to these processes, methods, products or devices. The words "connect", "connected", "coupled" and the like involved in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The "multiple" involved in this application refers to two or more. "And / or" describes the association relationship of associated objects, indicating that there may be three relationships, for example, "A and / or B" can mean: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the objects before and after are in an "or" relationship. The terms "first", "second", "third", etc. involved in this application are only used to distinguish similar objects and do not represent a specific ordering of the objects.

[0022] In existing battery swap cabinets, in order to ensure that the battery can work normally in a low temperature environment, PTC heating sheets are usually used to provide the necessary temperature. However, this heating method consumes relatively high electricity costs and has poor economic benefits in the long run. Based on the above situation, the embodiments of the present application provide a low temperature control system, method, battery swap cabinet and storage medium for an intelligent battery swap cabinet.

[0023] In a first aspect, the embodiments of the present application provide a low temperature control system for an intelligent power exchange cabinet. Figure 1 It is the structural block diagram of the low temperature control system.

[0024] like Figure 1As shown, the low-temperature control system provided in this embodiment is applied in an intelligent power exchange cabinet, and the intelligent power exchange cabinet includes multiple batteries. The low-temperature control system of this embodiment includes a temperature detection unit and a main control unit. Specifically, the temperature detection unit is used to detect the temperature of the battery in the power exchange cabinet, obtain the first temperature value of the battery and send it to the main control unit; the main control unit is used to obtain a preset temperature threshold, and determine whether the first temperature value is less than the temperature threshold. If so, the battery is marked as a low-temperature battery; if not, the battery is marked as a normal temperature battery; determine whether all normal temperature batteries need to be charged, if so, control the low-temperature battery to discharge to the normal temperature battery, if not, control the low-temperature battery to discharge to a preset load; monitor the real-time battery temperature of the low-temperature battery in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, control the low-temperature battery to stop discharging.

[0025] In this embodiment, the temperature detection unit includes multiple temperature sensors, which are arranged in the battery to collect the temperature inside the battery, and then transmit the collected temperature data to the main control unit through the protocol to identify low-temperature batteries and normal temperature batteries.

[0026] Continue to refer Figure 1 , the low-temperature control system of this embodiment also includes an inverter and a contactor, and the inverter and the contactor are connected in parallel between the low-temperature battery and the normal-temperature battery. Specifically, the input end of the inverter is connected to all batteries, and the output end is connected to the contactor. The inverter is used to convert the voltage output by the low-temperature battery into a rated voltage; the input end of the contactor is respectively connected to the rated voltage and the mains power, and the contactor is used to selectively switch the rated voltage and the mains power for output under the control of the main control unit. Specifically, when there is a low-temperature battery in the electrical cabinet, the contactor is controlled to switch to output the rated voltage (that is, the voltage output by the low-temperature battery through the inverter); when the temperature of the low-temperature battery rises to meet the requirements, the contactor is controlled to switch to output the mains power, and the mains power is used to charge the normal-temperature battery that needs to be charged.

[0027] In this embodiment, the main control unit of the present application can also judge the battery power of the normal temperature battery in the battery exchange cabinet. When the battery power is less than a preset power threshold, it switches to charging the normal temperature battery from the AC power; when the battery power is greater than or equal to the power threshold, the AC power is controlled to stop charging the normal temperature battery.

[0028] In the process of hardware implementation, in order to save the cost of transformation, a cryogenic panel can be added to the existing intelligent power exchange cabinet. The cryogenic panel includes the above-mentioned main control unit to realize the control of temperature recognition, discharge, and mains switching. Then the cryogenic panel is connected to the control mainboard of the intelligent power exchange cabinet, so that low temperature control can be realized without reassembling the intelligent power exchange cabinet. In this embodiment, after the control mainboard of the intelligent power exchange cabinet recognizes the cryogenic panel, it automatically reduces the incoming power of the cabinet during discharge, and the charging status automatically restores the original data setting, thereby increasing the safety of lithium battery charging.

[0029] In a preferred embodiment, the main control unit also includes a communication module (such as a 4G / 5G module), and the main control unit obtains the charging and discharging parameters set by the user through the communication module, wherein the charging and discharging parameters include a first power value and a second power value. The main control unit can also reduce the incoming power of the battery swap cabinet when it is identified that the low-temperature battery is discharging the normal temperature battery; when it is identified that the low-temperature battery stops discharging the normal temperature battery, the incoming power of the battery swap cabinet is restored to a preset value. In addition, the present application interacts with the remote management system through the communication module, and the smart battery swap cabinet uses the communication module to remotely adjust the charging parameters of the charger.

[0030] In addition, the present application can also obtain the software upgrade package through the communication module and realize the OTA upgrade function, that is, remote online upgrade through the mobile network and update the software version in time.

[0031] The intelligent battery exchange cabinet temperature control system also includes multiple chargers, Figure 2 The multiple chargers are connected to the multiple batteries one by one, and the chargers are used to receive the rated voltage or mains power output by the contactor and provide stable current and voltage to the batteries. The chargers can also be turned on and off by the main control unit (i.e., the control mainboard in the electric cabinet) to realize the control of charging the batteries at room temperature.

[0032] In a preferred embodiment, reference Figure 3 The temperature control system of the intelligent power exchange cabinet of this embodiment includes multiple batteries, chargers, control mainboards, inverters and contactors. Among them, the contactor is connected to the 220V mains and the 220V voltage output by the inverter. The inverter, charger and battery are all connected to the main control unit. The number of chargers and batteries is the same and corresponds one to one.

[0033] This application refers to the temperature control process of the low temperature battery Figure 2. Specifically, after accurately detecting the battery in a low temperature state, the low temperature control system will automatically discharge it. Subsequently, the inverter in the low temperature control system converts the battery (DC48-60V) into an AC voltage (AC220V). Next, the low temperature control system will perform a key switching operation to selectively switch the AC220V output by the inverter with the AC200V input from the external mains. This process is implemented by the control motherboard. The control motherboard will first select the AC220V output by the inverter as the power source to charge other normal temperature batteries in the battery pack. After a period of discharge, the temperature of the low temperature battery in the discharge state will gradually return to the normal level, and the battery in the discharge state can automatically end the discharge. If there are still low temperature batteries in the smart power exchange cabinet, the control motherboard will make a judgment again and select another battery in a low temperature state to continue the discharge operation until the battery temperature reaches a specific value. End the discharge. If at a certain moment, no low temperature battery is detected in the smart power exchange cabinet, the low temperature control system will automatically switch to the mains for charging.

[0034] In a preferred embodiment, when there are multiple low-temperature batteries in the smart battery exchange cabinet, it is necessary to collect the current battery power of all low-temperature batteries and send them to the main control unit, and then the main control unit sorts the low-temperature batteries in order from high to low power, and then discharges them in the sorted order. If there are no normal temperature batteries that need to be charged in the smart battery exchange cabinet, the user can discharge them according to the existing battery discharge method, for example, by discharging the low-temperature battery through a load preset inside the cabinet or an external load, which is specially designed to consume electrical energy.

[0035] In summary, the low-temperature control system of the intelligent battery exchange cabinet provided in the embodiment of the present application, after using the battery charge and discharge conversion strategy, has low self-heating energy loss and high heating efficiency, can better maintain the temperature of the battery, does not need to use insulation materials such as quilts to assist in insulation, and has a more beautiful appearance. Compared with the PTC heating plate solution, its electricity expenditure ratio is greatly reduced, and the intelligent battery exchange business in low-temperature areas has also been expanded. In addition, battery charging and heating can be used as a battery conversion system, thereby saving installation space and parts costs.

[0036] In the second aspect, the embodiment of the present application provides a low temperature control method for an intelligent power exchange cabinet, which is applied to the low temperature control system of the intelligent power exchange cabinet described in the above embodiment. Figure 4 , Figure 4 It is a specific flow chart of the low temperature control method of the intelligent power exchange cabinet.

[0037] Step S1, performing temperature detection on the battery in the battery swap cabinet to obtain a first temperature value of the battery.

[0038] Step S2, obtaining a preset temperature threshold, and determining whether the first temperature value is less than the temperature threshold, if so, marking the battery as a low-temperature battery; if not, marking the battery as a normal-temperature battery.

[0039] Step S3, determining whether all normal temperature batteries need to be charged, if so, controlling the low temperature battery to discharge to the normal temperature battery, if not, controlling the low temperature battery to discharge to a preset load.

[0040] Step S4, monitoring the real-time battery temperature of the low-temperature battery in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, controlling the low-temperature battery to stop discharging.

[0041] In addition, the battery power of the normal temperature battery in the battery exchange cabinet can also be judged. When the battery power is less than the preset power threshold, the AC power is switched to charge the normal temperature battery; when the battery power is greater than or equal to the power threshold, the AC power is controlled to stop charging the normal temperature battery, thereby realizing the switching of charging and discharging.

[0042] In this embodiment, when it is identified that the low-temperature battery is discharging the normal temperature battery, the incoming power of the power exchange cabinet can be set to a first power value; when it is identified that the low-temperature battery stops discharging the normal temperature battery, the incoming power of the power exchange cabinet can be restored to a second power value, wherein the first power value is less than the second power value.

[0043] In an excellent embodiment, the low temperature control method of the intelligent battery exchange cabinet provided in this embodiment also has an intelligent IC control function, that is, when the battery is fully charged, charging is automatically stopped to effectively prevent battery overcharging. In addition, the cabinet charging parameters can be automatically switched to adjust the charging power and other parameters. After identifying that a low-temperature battery is installed, the incoming power of the cabinet is automatically lowered during discharge, and the charging status automatically restores the original data settings to increase the safety of the battery charging process. In addition, this embodiment also provides an OTA upgrade function, which can be remotely upgraded online through the mobile network and update the software version in a timely manner.

[0044] In a preferred embodiment, when there are multiple low-temperature batteries in the smart battery exchange cabinet, it is necessary to collect the current power of all low-temperature batteries, and then sort them in order from high to low, and then discharge them in sequence according to the sorted order.

[0045] To sum up, the low temperature control method of the intelligent battery exchange cabinet provided in the present application, after using the battery charge and discharge conversion strategy, has low self-heating energy loss and high heating efficiency, can better maintain the temperature of the battery, and does not require the use of thermal insulation materials such as quilts to assist in thermal insulation. The appearance is more beautiful, and its electricity expenditure ratio is greatly reduced compared to the PTC heating plate solution, and the intelligent battery exchange business in low temperature areas has also been expanded.

[0046] In a third aspect, an embodiment of the present application provides a battery exchange cabinet, characterized in that it comprises multiple batteries and a low temperature control system of the intelligent battery exchange cabinet described in any of the above embodiments.

[0047] In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium having a program stored thereon, and when the program is executed by a processor, the low-temperature control method for the intelligent battery exchange cabinet provided in the first aspect is implemented.

[0048] The readable storage medium may include but is not limited to: a portable disk, a hard disk, a random access memory, a read-only memory, an erasable programmable read-only memory, an optical storage device, a magnetic storage device or any suitable combination of the above.

[0049] In a possible implementation, the present invention can also be implemented in the form of a program product, which includes a program code. When the program product is run on a terminal device, the program code is used to enable the terminal device to execute the steps of the low-temperature control method for the intelligent power exchange cabinet provided in the first aspect.

[0050] The program code for executing the present invention may be written in any combination of one or more programming languages, and may be executed entirely on a user device, partially on a user device, as an independent software package, partially on a user device and partially on a remote device, or entirely on a remote device.

[0051] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A low temperature control system for an intelligent power exchange cabinet, characterized in that: Applied in a smart battery exchange cabinet, the smart battery exchange cabinet includes multiple batteries, including: A temperature detection unit, used to detect the temperature of the battery in the intelligent battery swap cabinet, obtain a first temperature value of the battery and send it to a main control unit; The main control unit is used to obtain a preset temperature threshold and determine whether the first temperature value is less than the temperature threshold. If so, the battery is marked as a low-temperature battery; if not, the battery is marked as a normal-temperature battery; determine whether all normal-temperature batteries need to be charged, if so, control the low-temperature battery to discharge to the normal-temperature battery, if not, control the low-temperature battery to discharge to a preset load; monitor the real-time battery temperature of the low-temperature battery in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, control the low-temperature battery to stop discharging.

2. The low temperature control system of the intelligent power exchange cabinet according to claim 1 is characterized in that: The low temperature control system also includes: An inverter, wherein the input end of the inverter is connected to the low-temperature battery, and the output end is connected to a contactor, and the inverter is used to convert the voltage output by the low-temperature battery into a rated voltage; A contactor, wherein the input ends of the contactor are respectively connected to the rated voltage and the mains power, and the contactor is used for selectively switching the output of the rated voltage and the mains power under the control of the main control unit.

3. The low temperature control system of the intelligent power exchange cabinet according to claim 1 is characterized in that: The step of judging whether all normal temperature batteries need to be charged includes: Determine the battery power of the normal temperature battery in the battery exchange cabinet, and when the battery power is less than a preset power threshold, switch to charging the normal temperature battery from the mains; When the battery power is greater than or equal to a power threshold, the mains power is controlled to stop charging the normal temperature battery.

4. The low temperature control system of the intelligent power exchange cabinet according to claim 1 is characterized in that: The main control unit further includes a communication module, and the main control unit obtains the charging and discharging parameters set by the user through the communication module, wherein the charging and discharging parameters include a first power value and a second power value, and the main control unit is further used for: When it is identified that the low-temperature battery is discharging the normal-temperature battery, reducing the incoming power of the power exchange cabinet; When it is identified that the low-temperature battery stops discharging the normal-temperature battery, the incoming power of the power exchange cabinet is restored to a preset value.

5. The low temperature control system of the intelligent power exchange cabinet according to claim 2 is characterized in that: The temperature control system of the intelligent battery exchange cabinet also includes multiple chargers, which are connected to multiple batteries one by one. The chargers are used to receive the rated voltage or AC power output by the contactor and provide stable current and voltage to the batteries.

6. A low temperature control method for an intelligent power exchange cabinet, characterized in that: In the low temperature control system of the intelligent power exchange cabinet according to any one of claims 1 to 5, the method comprises: Performing temperature detection on a battery in a power exchange cabinet to obtain a first temperature value of the battery; Obtaining a preset temperature threshold, and determining whether the first temperature value is less than the temperature threshold, if so, marking the battery as a low-temperature battery; if not, marking the battery as a normal-temperature battery; Determine whether all normal temperature batteries need to be charged, if so, control the low temperature battery to discharge to the normal temperature battery, if not, control the low temperature battery to discharge to a preset load; The real-time battery temperature of the low-temperature battery is monitored in real time during the discharge process, and when the real-time battery temperature is greater than the temperature threshold, the low-temperature battery is controlled to stop discharging.

7. The low temperature control method of the intelligent power exchange cabinet according to claim 6 is characterized in that: The step of judging whether all normal temperature batteries need to be charged includes: Determine the battery power of the normal temperature battery in the battery exchange cabinet, and when the battery power is less than a preset power threshold, switch to charging the normal temperature battery from the mains; When the battery power is greater than or equal to a power threshold, the mains power is controlled to stop charging the normal temperature battery.

8. The low temperature control method of the intelligent power exchange cabinet according to claim 6 is characterized in that: The method further comprises: When it is identified that the low-temperature battery discharges the normal-temperature battery, the incoming power of the power swap cabinet is set to a first power value; When it is identified that the low-temperature battery stops discharging the normal-temperature battery, the incoming power of the power exchange cabinet is restored to a second power value, wherein the first power value is less than the second power value.

9. An intelligent power exchange cabinet, characterized in that: A low temperature control system comprising multiple batteries and an intelligent battery exchange cabinet as described in any one of claims 1-5.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by the processor, the low temperature control method of the intelligent power exchange cabinet as described in any one of claims 6 to 8 is implemented.

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