Energy storage converter, control method, energy storage system and electric equipment

Abstract

The invention relates to the technical field of energy storage, and discloses an energy storage converter, a control method, an energy storage system and electric equipment, the energy storage converter comprises a plurality of power assemblies, a controller, a first temperature and humidity detector, a first switch module and a plurality of first heating modules; the plurality of first heating modules are connected with a power supply through the first switch module; the controller is connected with the first temperature and humidity detector and the first switch module; the multiple power assemblies and the multiple first heating modules are arranged in a one-to-one correspondence mode. The first temperature and humidity detector obtains first temperature and humidity information of the plurality of power assemblies; the controller controls the first switch module to be switched on under the condition that the first temperature and humidity information does not meet a first preset condition, and controls the first switch module to be switched off under the condition that the first temperature and humidity information meets the first preset condition; the first heating module is used for heating and dehumidifying the power component corresponding to the first heating module under the condition that the first switch module is switched on; therefore, the safety of the energy storage converter is improved.

Description

Technical Field

[0001] This application relates to the technical field of energy storage, and particularly to an energy storage converter, a control method, an energy storage system, and an electrical equipment. Background Art

[0002] The power conversion system (PCS) of energy storage is an important part of the energy storage system, which realizes the efficient conversion and control of energy, and also provides an important guarantee for the stable operation of the power grid, the optimal utilization of renewable energy, and the safe and reliable operation of the energy storage system.

[0003] However, the current safety of the energy storage converter is still relatively low, and it cannot provide guarantee for the safe and reliable operation of the energy storage system. Summary of the Invention

[0004] The purpose of the embodiments of this application is to provide an energy storage converter, a control method, an energy storage system, and an electrical equipment, so as to improve the safety of the energy storage converter.

[0005] To solve the above technical problems, the embodiments of this application provide an energy storage converter, including: a plurality of power components, a controller, a first temperature and humidity detector, a first switch module, and a plurality of first heating modules; the plurality of first heating modules are connected to a power supply through the first switch module; the controller is connected to the first temperature and humidity detector and the first switch module; the plurality of power components are arranged in one-to-one correspondence with the plurality of first heating modules; the first temperature and humidity detector is configured to obtain the first temperature and humidity information of the plurality of power components; the controller is configured to control the first switch module to turn on when the first temperature and humidity information does not meet a first preset condition, and control the first switch module to turn off when the first temperature and humidity information meets the first preset condition; the first heating module is configured to heat and dehumidify the power component corresponding to the first heating module when the first switch module is turned on.

[0006] The embodiments of this application also provide a control method for an energy storage converter, which is applied to the controller of the above energy storage converter; the control method of the energy storage converter includes: obtaining the state information of the energy storage converter; the state information includes an operating state and a stop state; when the energy storage converter is in the operating state, turning off the heating and dehumidifying function of the power component; when the energy storage converter is in the stop state, turning on the heating and dehumidifying function of the power component.

[0007] The embodiments of this application also provide an energy storage system, including the energy storage converter as described above.

[0008] Embodiments of the present application further provide an electrical device, including the energy storage converter as described above.

[0009] In some embodiments, the energy storage converter further includes: a second temperature and humidity detector, a second heating module, and a second switch module; the controller is connected to the second temperature and humidity detector and the second switch module; the second heating module is connected to the power supply through the second switch module; the second temperature and humidity detector is configured to obtain second temperature and humidity information inside the energy storage converter cabinet; the controller is configured to control the second switch module to turn on when the second temperature and humidity information does not meet the second preset condition, and control the second switch module to turn off when the second temperature and humidity information meets the second preset condition; the second heating module is configured to heat and dehumidify the inside of the energy storage converter cabinet when the second switch module is turned on.

[0010] In some embodiments, the first temperature and humidity detector includes a first temperature detector and a first humidity detector; the first temperature and humidity information includes first temperature information and first humidity information; the first temperature detector is configured to obtain the first temperature information of a plurality of the power components, and the first humidity detector is configured to obtain the first humidity information of a plurality of the power components; the first preset condition is that the first temperature information is greater than a first preset temperature, or the first humidity information is less than or equal to a first preset humidity.

[0011] In some embodiments, the second temperature and humidity detector includes a second temperature detector and a second humidity detector; the second temperature and humidity information includes second temperature information and second humidity information; the second temperature detector is configured to obtain the second temperature information inside the energy storage converter cabinet, and the second humidity detector is configured to obtain the second humidity information inside the energy storage converter cabinet; the second preset condition is that the second temperature information is greater than a second preset temperature, or the second humidity information is less than or equal to a second preset humidity.

[0012] In some embodiments, the first switch module includes a first temperature switch and a first humidity switch; the controller is configured to control the first temperature switch to turn on when the first temperature information is less than or equal to the first preset temperature, and control the first temperature switch to turn off when the first temperature information is greater than the first preset temperature; the controller is configured to control the first humidity switch to turn off when the first humidity information is less than or equal to the first preset humidity, and control the first humidity switch to turn on when the first humidity information is greater than the first preset humidity; the first heating module is configured to heat and dehumidify the power component corresponding to the first heating module when the first temperature switch is on or the first humidity switch is on.

[0013] In some embodiments, the second switch module includes a second temperature switch and a second humidity switch; the controller is configured to control the second temperature switch to turn on when the second temperature information is less than or equal to the second preset temperature, and control the second temperature switch to turn off when the second temperature information is greater than the second preset temperature; the controller is configured to control the second humidity switch to turn off when the second humidity information is less than or equal to the second preset humidity, and control the second humidity switch to turn on when the second humidity information is greater than the second preset humidity; the second heating module is configured to heat and dehumidify the inside of the energy storage converter cabinet when the second temperature switch is on or the second humidity switch is on.

[0014] In some embodiments, the energy storage converter further includes a heat dissipation module; the heat dissipation module is connected to the power supply through a third switch module; the controller is connected to the third switch module; the controller is configured to control the third switch module to turn on when the energy storage converter is operating, and control the third switch module to turn off when the energy storage converter stops; the heat dissipation module is configured to dissipate heat from the inside of the energy storage converter cabinet when the third switch module is on.

[0015] In some embodiments, the heat dissipation module includes a plurality of heat dissipation units, and the plurality of heat dissipation units correspond to the plurality of power components one by one. The heat dissipation unit is configured to dissipate heat from the power component corresponding to the heat dissipation unit when the third switch module is on.

[0016] The technical solution provided by the embodiments of the present application has at least the following advantages: When the first temperature and humidity information of multiple power components in the embodiments of the present application does not meet the first preset condition, the first switch module is controlled to conduct, and the first heating module heats and dehumidifies the corresponding power components. Even when the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, the multiple power components in the energy storage converter can still be well heated and dehumidified, improving the safety of the energy storage converter. At the same time, the multiple power components of the energy storage converter in the embodiments of the present application are provided with corresponding first heating modules one by one, and each power component can independently perform heating and dehumidification, improving the heating and dehumidification efficiency of the energy storage converter, further improving the safety of the energy storage converter, and providing guarantee for the safe and reliable operation of the energy storage system. Description of the Drawings

[0017] One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings. These exemplary illustrations do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are represented as similar elements. Unless otherwise stated, the drawings in the figures do not constitute a proportional limitation.

[0018] Figure 1 is a schematic diagram of a partial structure of an energy storage converter according to an embodiment of the present application; Figure 2 is another schematic diagram of a partial structure of an energy storage converter according to an embodiment of the present application; Figure 3 is a schematic diagram of a partial specific structure of an energy storage converter according to an embodiment of the present application; Figure 4 is a schematic diagram of a partial structure of an energy storage converter according to another embodiment of the present application; Figure 5 is another schematic diagram of a partial structure of an energy storage converter according to another embodiment of the present application; Figure 6 is a schematic diagram of a partial structure of an energy storage converter according to another embodiment of the present application; Figure 7 is a schematic flowchart of a control method of an energy storage converter according to an embodiment of the present application; Figure 8 is a schematic flowchart of a control method of an energy storage converter according to another embodiment of the present application; Figure 9 is a schematic flowchart of a control method of an energy storage converter according to another embodiment of the present application. Detailed Embodiments

[0019] As can be seen from the background art, the current safety of the energy storage converter is still relatively low and cannot provide guarantee for the safe and reliable operation of the energy storage system.

[0020] Through analysis and research, it is found that the reason for the low safety of the energy storage converter is as follows: when the humidity of the environment where the energy storage converter is located is high and the temperature is low, if the energy storage converter starts up after a long period of shutdown or standby, the energy storage converter may be damaged due to moisture absorption or low temperature, resulting in low safety of the energy storage converter and unable to provide guarantee for the safe and reliable operation of the energy storage system.

[0021] To solve the technical problem that the current safety of the energy storage converter is still low, the embodiment of the present application provides an energy storage converter, including: a plurality of power components, a controller, a first temperature and humidity detector, a plurality of first heating modules, and a first switch module; the plurality of first heating modules are connected to a power supply through the first switch module; the controller is connected to the first temperature and humidity detector and the first switch module; the plurality of power components are arranged in one-to-one correspondence with the plurality of first heating modules; the first temperature and humidity detector is configured to obtain the first temperature and humidity information of the plurality of power components; the controller is configured to control the first switch module to conduct when the first temperature and humidity information does not meet the first preset condition, and control the first switch module to turn off when the first temperature and humidity information meets the first preset condition; the first heating module is configured to heat and dehumidify the power component corresponding to the first heating module when the first switch module conducts.

[0022] In the embodiment of the present application, when the first temperature and humidity information of the plurality of power components does not meet the first preset condition, the first switch module is controlled to conduct, and the first heating module heats and dehumidifies the corresponding power component. Even if the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, the plurality of power components in the energy storage converter can still be better heated and dehumidified, improving the safety of the energy storage converter; at the same time, the plurality of power components of the energy storage converter in the embodiment of the present application are provided with corresponding first heating modules one by one, and each power component can be independently heated and dehumidified, improving the heating and dehumidification efficiency of the energy storage converter and further improving the safety of the energy storage converter, providing guarantee for the safe and reliable operation of the energy storage system.

[0023] To make the purpose, technical solution and advantages of the embodiments of the present application clearer, the following will elaborate on each embodiment of the present application with reference to the drawings. However, those of ordinary skill in the art can understand that in each embodiment of the present application, many technical details are proposed for the reader to better understand the present application. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions required to be protected by the present application can still be realized. The following division of each embodiment is for convenience of description and should not constitute any limitation to the specific implementation manner of the present application. Each embodiment can be combined and cross-referenced with each other without conflict.

[0024] One embodiment of the present application relates to an energy storage converter. The schematic diagram of the partial structure of the energy storage converter in this embodiment is as follows Figure 1 shown. The energy storage converter 10 in this embodiment includes a plurality of power components 100. The plurality of power components 100 of the energy storage converter 10 in this embodiment are the core components of the energy storage converter 10, which can realize the inversion mode, that is, convert the direct current (DC) of the battery into alternating current (AC) to supply the power grid or load, or realize the rectification mode, that is, convert the alternating current of the power grid into direct current to charge the battery. The power component 100 can be an IGBT (Insulated Gate Bipolar Transistor), SiC MOSFET (Silicon Carbide Metal-Oxide-Semiconductor Field-Effect Transistor), etc. The IGBT is the mainstream switching device, which has the characteristics of high voltage resistance and large current. The SiC MOSFET has the characteristics of high frequency, high efficiency and low loss, and is suitable for high power density scenarios. Figure 1 In the following, the number of the power components 100 is taken as 4 for illustration. In practical applications, the number of the power components 100 set in the energy storage converter 10 may vary according to actual needs, and this embodiment does not make specific limitations.

[0025] Another schematic diagram of the partial structure of the energy storage converter 10 in this embodiment is as follows Figure 2 shown. The energy storage converter 10 in this embodiment further includes: a controller 101, a first temperature and humidity detector 102, a first switch module 103, and a plurality of first heating modules 104; the plurality of first heating modules 104 are connected to the power supply through the first switch module 103; the controller 101 is connected to the first temperature and humidity detector 102 and the first switch module 103; the plurality of power components 100 are arranged in one-to-one correspondence with the plurality of first heating modules 104. Figure 2 For illustration, the number of the first heating modules 104 is taken as 4. In practical applications, the number of the first heating modules 104 is set according to the number of the power components 100, and this embodiment does not make specific limitations. Figure 1 、 Figure 2 To facilitate the display of the relevant content of this embodiment, only the partial structure of the energy storage converter 10 is shown in the figure. The energy storage converter 10 may further include other structures, such as an AC side filter, a pre-charge circuit, a protection circuit, etc. located in the cabinet of the energy storage converter 10.

[0026] Refer to Figure 2, the power supply in this embodiment is alternating current. The first switch module 103 is connected to the live wire Power_L of the alternating current, and multiple first heating modules 104 are connected to the neutral wire Power_N of the alternating current. The first temperature and humidity detector 102 in this embodiment is configured to obtain the first temperature and humidity information of multiple power components 100 in the energy storage converter 10; the controller 101 is configured to control the first switch module 103 to conduct when the first temperature and humidity information does not meet the first preset condition, and control the first switch module 103 to turn off when the first temperature and humidity information meets the first preset condition; the first heating module 104 is configured to heat and dehumidify the power component 100 corresponding to the first heating module 104 when the first switch module 103 is conducting.

[0027] The energy storage converter 10 in this embodiment can be in an operating state or a stopped state. When the energy storage converter 10 is in an operating state, since multiple power components 100 continuously operate and generate heat during the operation of the energy storage converter 10, it already has the function of heating and dehumidifying. Therefore, in order to reduce the power consumption of the energy storage converter 10 and avoid the problem of large losses caused by the high temperature of multiple power components 100, it is necessary to turn off the heating and dehumidifying function of the power components 100 at this time, that is, the first temperature and humidity detector 102 is turned off, and multiple power components 100 of the energy storage converter 10 are heated and dehumidified according to their own operating heat; when the energy storage converter 10 is in a stopped state, since the external environment may be in a low temperature and high humidity environment, which may cause damage to multiple power components 100, therefore, in order to avoid the situation that the energy storage converter 10 is damaged in a low temperature and high humidity environment, it is necessary to turn on the heating and dehumidifying function of the power components 100 at this time, so that the first temperature and humidity detector 102 can obtain the first temperature and humidity information of multiple power components 100, and heat and dehumidify multiple power components 100 when the first temperature and humidity information does not meet the first preset condition. Even when the energy storage converter 10 in a long-term shutdown or standby state is in an environment with high humidity and low temperature, multiple power components 100 in the energy storage converter 10 can still be better heated and dehumidified, improving the safety of the energy storage converter 10.

[0028] In the embodiment of the present application, the controller 101 detects the first temperature and humidity information of multiple power components 100 through the first temperature and humidity detector 102. When the first temperature and humidity information does not meet the first preset condition, the controller 101 controls the first switch module 103 to conduct, so that multiple first heating modules 104 are turned on. Even when the energy storage converter 10 is in an environment with high humidity and low temperature during long-term shutdown or standby, the multiple power components 100 in the energy storage converter 10 can still be better heated and dehumidified, improving the safety of the energy storage converter 10. Moreover, the multiple power components 100 of the energy storage converter 10 are provided with corresponding first heating modules 104 one by one, and each first heating module 104 heats and dehumidifies the corresponding power component 100. Each power component 100 can be independently heated and dehumidified, improving the heating and dehumidification efficiency of each power component 100, increasing the heating and dehumidification efficiency of the energy storage converter 10, further enhancing the safety of the energy storage converter 10, and providing guarantee for the safe and reliable operation of the energy storage system.

[0029] In some embodiments, the first temperature and humidity detector 102 includes a first temperature detector and a first humidity detector; as Figure 3 shown, it is a specific partial structural schematic diagram of the energy storage converter 10 in this embodiment. The first temperature and humidity detector 102 in this embodiment further includes a first temperature detector 1021 and a first humidity detector 1022, and the first temperature and humidity information includes first temperature information and first humidity information.

[0030] Continue to refer to Figure 1 、 Figure 3 , the first temperature detector 1021 is configured to obtain the first temperature information of multiple power components 100, and the first humidity detector 1022 is configured to obtain the first humidity information of multiple power components 100; the first preset condition is that the first temperature information is greater than the first preset temperature, or the first humidity information is less than or equal to the first preset humidity.

[0031] The first temperature and humidity detector 102 in this embodiment includes a first temperature detector 1021 and a first humidity detector 1022, which are respectively used to detect the first temperature information and the first humidity information of multiple power components 100. Any one of the first preset temperature and the first humidity information meeting the following conditions satisfies the first preset condition: the first temperature information is greater than the first preset temperature, or the first humidity information is less than or equal to the first preset humidity; thus, when the first temperature information is greater than the first preset temperature, or the first humidity information is less than or equal to the first preset humidity, the first switch module 103 conducts, and multiple first heating modules 104 are turned on to heat and dehumidify multiple power components 100 respectively.

[0032] Among them, the first preset temperature ranges from 1°C to 3°C, such as 1°C, 2°C, 3°C, and the first preset humidity ranges from 60% to 80%, such as 60%, 65%, 70%, 75%, 80%.

[0033] Continue to refer to Figure 1 , Figure 3 , in some embodiments, the first switch module 103 includes a first temperature switch 1031 and a first humidity switch 1032; the controller 101 is configured to control the first temperature switch 1031 to conduct when the first temperature information is less than or equal to the first preset temperature, and to control the first temperature switch 1031 to turn off when the first temperature information is greater than the first preset temperature; the controller 101 is configured to control the first humidity switch 1032 to turn off when the first humidity information is less than or equal to the first preset humidity, and to control the first humidity switch 1032 to conduct when the first humidity information is greater than the first preset humidity; the first heating module 104 is configured to heat and dehumidify the power component 100 corresponding to the first heating module 104 when the first temperature switch 1031 conducts or the first humidity switch 1032 conducts.

[0034] In this embodiment, the first switch module 103 is further set to two switches, namely the first temperature switch 1031 and the first humidity switch 1032. The first temperature switch 1031 and the first humidity switch 1032 can be contactors, relays, IGBT tubes, MOS (Metal-Oxide-Semiconductor Field-Effect Transistor), etc. The specific switch type is set according to actual needs, and this embodiment does not make specific limitations. By controlling the first temperature switch 1031 and the first humidity switch 1032 respectively, when the first temperature information is less than or equal to the first preset temperature, the first temperature switch 1031 conducts, and when the first humidity information is greater than the first preset humidity, the first humidity switch 1032 is controlled to conduct. Thus, when any one of the first temperature switch 1031 and the first humidity switch 1032 conducts, the plurality of first heating modules 104 start to heat and dehumidify the corresponding power component 100, improving the accuracy and efficiency of heating and dehumidifying.

[0035] Continue to refer to Figure 3, in some embodiments, the energy storage converter 10 further includes a heat dissipation module 105; the heat dissipation module 105 of this embodiment is connected to a power supply through a third switching module 106; wherein, the power supply is alternating current, the third switching module 106 is connected to the live wire Power_L of the alternating current, and the heat dissipation module 105 is connected to the neutral wire Power_N of the alternating current. The controller 101 is connected to the third switching module 106; the controller 101 is configured to control the third switching module 106 to conduct when the energy storage converter 10 is operating, and control the third switching module 106 to turn off when the energy storage converter 10 stops; the heat dissipation module 105 is configured to dissipate heat from the power components 100 in the energy storage converter 10 when the third switching module 106 is conducting. The third switching module 106 can be a contactor, a relay, an IGBT tube, a MOS tube, etc., and the specific switching type is set according to actual needs, and this embodiment does not make specific limitations. The first heating module 104 of this embodiment is a heater, and the heater can use methods such as resistance heating, induction heating, and infrared heating to achieve the function of heating and dehumidifying.

[0036] In the case where the energy storage converter 10 is in an operating state in this embodiment, the continuous operation of the multiple power components 100 will generate heat. When the heat generated by the multiple power components 100 is relatively large, it will affect the rectification or inversion efficiency of the energy storage converter 10 and increase the power consumption of the energy storage converter 10. Therefore, in order to reduce the power consumption of the energy storage converter 10 and avoid the problem of large losses caused by the high temperature of the multiple power components 100, when the energy storage converter 10 is in an operating state, the heat dissipation function of the energy storage converter 10 can be turned on, that is, the controller 101 controls the third switching module 106 to conduct, so that the heat dissipation module 105 dissipates heat from the power components 100 in the energy storage converter 10. When the energy storage converter 10 is in a stopped state, the multiple power components 100 stop operating and do not generate heat. Therefore, at this time, the heat dissipation function of the energy storage converter 10 is turned off, that is, the controller 101 controls the third switching module 106 to turn off, and the heat dissipation module 105 does not operate.

[0037] Continue to refer to Figure 3, in some embodiments, the heat dissipation module 105 includes a plurality of heat dissipation units 1051. The plurality of heat dissipation units 1051 correspond to the plurality of power components 100 one by one. The heat dissipation unit 1051 is configured to dissipate heat from the power component 100 corresponding to the heat dissipation unit 1051 when the third switch module 106 is turned on. In this embodiment, the plurality of power components 100 of the energy storage inverter 10 are provided with corresponding heat dissipation units 1051 one by one, and each power component 100 can dissipate heat independently, improving the heat dissipation efficiency of the energy storage inverter 10 and further enhancing the safety of the energy storage inverter 10, providing a guarantee for the safe and reliable operation of the energy storage system. The heat dissipation unit 1051 in this embodiment can be a heat dissipation fan, a liquid cooling heat exchanger, etc., which is specifically set according to actual needs and is not specifically limited in this embodiment. Figure 3 For example, taking the number of the heat dissipation units 1051 as 4 for illustration, the specific heat dissipation units 1051 are set according to the number of the power components 100 of the actual energy storage inverter 10, which is not specifically limited in this embodiment.

[0038] Another embodiment of the present application relates to an energy storage inverter, as Figure 4 shown, which is a partial schematic diagram of the energy storage inverter of this embodiment. As Figure 5 shown, which is another partial schematic diagram of the energy storage inverter of this embodiment. It should be noted that Figure 4 , Figure 5 For the convenience of showing the relevant content of this embodiment, only the partial structure of the energy storage inverter is shown in the figure. The energy storage inverter may further include other structures, such as an AC side filter, a pre-charge circuit, a protection circuit, etc. located in the energy storage inverter cabinet.

[0039] Continuing to refer to Figure 1 , Figure 4 , Figure 5 , the energy storage inverter 10 of this embodiment includes: a plurality of power components 100, a controller 101, a plurality of first temperature and humidity detectors 102, a plurality of first heating modules 104, and a plurality of first switch modules 103.

[0040] In this embodiment, a corresponding first temperature detector 1021 and a first switch module 103 are provided for each power component 100, and each first heating module 104 is connected to the power supply through the corresponding first switch module 103; the controller 101 is connected to the first temperature and humidity detector 102 and the first switch module 103; the plurality of power components 100 and the plurality of first heating modules 104 are arranged in one-to-one correspondence.

[0041] Specifically, for a group of power components 100, first temperature detectors 1021, first switch modules 103, and first heating modules 104 that correspond one-to-one, the first temperature and humidity detector 102 is configured to obtain the first temperature and humidity information of the corresponding power component 100; the controller 101 is configured to control the corresponding first switch module 103 to turn on when the first temperature and humidity information does not meet the first preset condition, and control the corresponding first switch module 103 to turn off when the first temperature and humidity information meets the first preset condition; the first heating module 104 is configured to heat and dehumidify the power component 100 corresponding to the first heating module 104 when the corresponding first switch module 103 is turned on.

[0042] In this embodiment, by setting a first temperature detector 1021 and a first switch module 103 that correspond one-to-one for each power component 100, the heating and dehumidification functions of each power component 100 are controlled separately, so that the heating and dehumidification functions of each power component 100 are performed independently, improving the accuracy of heating and dehumidification of each power component 100, further enhancing the safety of the energy storage converter 10, and providing guarantee for the safe and reliable operation of the energy storage system.

[0043] The energy storage converter 10 of this embodiment can be in an operating state or a stopped state. When the energy storage converter 10 is in an operating state, the heating and dehumidification functions of each power component 100 are turned off, that is, multiple first temperature and humidity detectors 102 are turned off, and each power component 100 of the energy storage converter 10 performs heating and dehumidification according to its own operating heat; when the energy storage converter 10 is in a stopped state, in order to avoid damage to the energy storage converter 10 in a low temperature or high humidity environment, at this time, it is necessary to turn on the heating and dehumidification functions of each power component 100, so that the first temperature and humidity detector 102 obtains the first temperature and humidity information of the corresponding power component 100, and heats and dehumidifies the corresponding power component 100 when the first temperature and humidity information does not meet the first preset condition, realizing independent control of the heating and dehumidification functions of each power component 100. Even when the energy storage converter 10 in a long-term shutdown or standby state is in an environment with high humidity and low temperature, each power component 100 in the energy storage converter 10 can still perform heating and dehumidification independently, improving the safety of the energy storage converter 10.

[0044] Reference Figure 4, in some embodiments, the first temperature and humidity detector 102 includes a first temperature detector 1021 and a first humidity detector 1022; the first temperature and humidity information includes first temperature information and first humidity information. The first temperature detector 1021 is configured to obtain the first temperature information of the corresponding power component 100, and the first humidity detector 1022 is configured to obtain the first humidity information of the corresponding power component 100; the first preset condition is that the first temperature information is greater than the first preset temperature, or the first humidity information is less than or equal to the first preset humidity.

[0045] The first temperature and humidity detector 102 of this embodiment includes a first temperature detector 1021 and a first humidity detector 1022, which are respectively used to detect the first temperature information and the first humidity information of the corresponding power component 100. The first temperature information and the first humidity information satisfy any one of the following to meet the first preset condition: the first temperature information is greater than the first preset temperature, or the first humidity information is less than or equal to the first preset humidity; thus, when the first temperature information is greater than the first preset temperature, or when the first humidity information is less than or equal to the first preset humidity, the corresponding first switch module 103 is turned on, the corresponding first heating module 104 is turned on, and the corresponding power component 100 is heated and dehumidified.

[0046] Continue to refer to Figure 5 , in some embodiments, the first switch module 103 includes a first temperature switch 1031 and a first humidity switch 1032; the controller 101 is configured to control the corresponding first temperature switch 1031 to turn on when the first temperature information is less than or equal to the first preset temperature, and control the corresponding first temperature switch 1031 to turn off when the first temperature information is greater than the first preset temperature; the controller 101 is configured to control the corresponding first humidity switch 1032 to turn off when the first humidity information is less than or equal to the first preset humidity, and control the corresponding first humidity switch 1032 to turn on when the first humidity information is greater than the first preset humidity; the first heating module 104 is configured to heat and dehumidify the corresponding power component 100 when the first temperature switch 1031 is turned on or the first humidity switch 1032 is turned on.

[0047] This embodiment further sets the first switch module 103 to two switches, namely the first temperature switch 1031 and the first humidity switch 1032. By controlling the first temperature switch 1031 and the first humidity switch 1032 respectively, when any one of the first temperature switch 1031 and the first humidity switch 1032 is turned on, the corresponding first heating module 104 starts to heat and dehumidify the corresponding power component 100, improving the accuracy and efficiency of heating and dehumidification.

[0048] Continue to refer toFigure 1 , Figure 5 , in some embodiments, the energy storage converter 10 further includes a heat dissipation module 105; the heat dissipation module 105 is connected to a power source through a third switch module 106; the controller 101 is connected to the third switch module 106; the controller 101 is configured to control the third switch module 106 to turn on when the energy storage converter 10 is operating, and control the third switch module 106 to turn off when the energy storage converter 10 stops; the heat dissipation module 105 is configured to dissipate heat from the power components 100 in the energy storage converter 10 when the third switch module 106 is turned on.

[0049] In this embodiment, when the energy storage converter 10 is in an operating state, the multiple power components 100 continuously operate and generate heat. At this time, in order to reduce the power consumption of the energy storage converter 10 and avoid the problem of large losses caused by the high temperature of the multiple power components 100, the heat dissipation function of the energy storage converter 10 can be turned on, that is, the controller 101 controls the third switch module 106 to turn on, so that the heat dissipation module 105 dissipates heat from the power components 100 in the energy storage converter 10. When the energy storage converter 10 is in a stopped state, the multiple power components 100 stop operating and do not generate heat. Therefore, at this time, the heat dissipation function of the energy storage converter 10 is turned off, that is, the controller 101 controls the third switch module 106 to turn off, and the heat dissipation module 105 does not operate.

[0050] Continue to refer to Figure 5 , in some embodiments, the heat dissipation module 105 includes a plurality of heat dissipation units 1051, and the plurality of heat dissipation units 1051 correspond to the plurality of power components 100 one by one. The heat dissipation unit 1051 is configured to dissipate heat from the power component 100 corresponding to the heat dissipation unit 1051 when the third switch module 106 is turned on. In this embodiment, the plurality of power components 100 of the energy storage converter 10 are provided with corresponding heat dissipation units 1051 one by one, and each power component 100 can dissipate heat independently, which improves the heat dissipation efficiency of the energy storage converter 10 and further improves the safety of the energy storage converter 10, providing a guarantee for the safe and reliable operation of the energy storage system. The heat dissipation unit 1051 in this embodiment can be a heat dissipation fan, a liquid-cooled heat exchanger, etc., which is specifically set according to actual needs, and this embodiment does not make specific limitations.

[0051] Another embodiment of the present application relates to an energy storage converter, as Figure 6 shown, which is a partial structural schematic diagram of the energy storage converter of this embodiment. Refer to Figure 1 , Figure 6, the energy storage converter 10 of this embodiment includes: a plurality of power components 100, a controller 101, a first temperature and humidity detector 102, a plurality of first heating modules 104, and a first switch module 103; the plurality of first heating modules 104 of this embodiment are connected to a power supply through the first switch module 103; the controller 101 is connected to the first temperature and humidity detector 102 and the first switch module 103; the plurality of power components 100 are arranged in one-to-one correspondence with the plurality of first heating modules 104; the first temperature and humidity detector 102 is configured to obtain the first temperature and humidity information of the plurality of power components 100; the controller 101 is configured to control the first switch module 103 to conduct when the first temperature and humidity information does not meet the first preset condition, and control the first switch module 103 to turn off when the first temperature and humidity information meets the first preset condition; the first heating module 104 is configured to heat and dehumidify the power component 100 corresponding to the first heating module 104 when the first switch module 103 is conducting.

[0052] It should be noted that the connection manners of the power component 100, the controller 101, the first temperature and humidity detector 102, the first heating module 104, and the first switch module 103 of this embodiment correspond to the Figure 2 , Figure 3 shown connection structure. The relevant technical details mentioned in the above embodiment are still valid in this embodiment. To avoid repetition, they will not be elaborated here.

[0053] In some other embodiments, each of the power components 100 of this embodiment may also be provided with a corresponding first temperature and humidity detector 102 and a first switch module 103, that is, referring to the Figure 4 , Figure 5 shown partial structure schematic diagram of the energy storage converter 10, so as to realize the temperature and humidity detection and switch control of each power component 100 independently, improve the accuracy of heating and dehumidifying each power component 100, and further improve the safety of the energy storage converter 10. The relevant technical details mentioned in the above embodiment are still valid in this embodiment. To avoid repetition, they will not be elaborated here.

[0054] Continue to refer to Figure 1 , Figure 6, the energy storage converter 10 of this embodiment further includes: a second temperature and humidity detector 107, a second heating module 108, and a second switch module 109; the controller 101 is connected to the second temperature and humidity detector 107 and the second switch module 109; the second heating module 108 is connected to the power supply through the second switch module 109; wherein, the power supply is alternating current, the second switch module 109 is connected to the live wire Power_L of the alternating current, and the second switch module 109 is connected to the neutral wire Power_N of the alternating current; the second temperature and humidity detector 107 is configured to obtain the second temperature and humidity information inside the cabinet of the energy storage converter 10; the controller 101 is configured to control the second switch module 109 to conduct when the second temperature and humidity information does not meet the second preset condition, and control the second switch module 109 to turn off when the second temperature and humidity information meets the second preset condition; the second heating module 108 is configured to heat and dehumidify the inside of the cabinet of the energy storage converter 10 when the second switch module 109 is conducting. The second heating module 108 of this embodiment is a heater, and the heater can use methods such as resistance heating, induction heating, and infrared heating to achieve the function of heating and dehumidifying.

[0055] The energy storage converter 10 of this embodiment can be in an operating state or a stopped state. When the energy storage converter 10 is in an operating state, since multiple power components 100 of the energy storage converter 10 continuously operate and generate heat during operation, it already has the function of heating and dehumidifying, and the heating and dehumidifying function of the power components 100 can be turned off. However, there are other devices inside the cabinet of the energy storage converter 10, such as an AC side filter, a pre-charge circuit, a protection circuit, etc. When the energy storage converter 10 is in an operating state, the heat generated by these devices themselves is not sufficient to achieve the function of heating and dehumidifying. At this time, it is necessary to turn on the heating and dehumidifying function inside the cabinet of the energy storage converter 10, that is, to heat and dehumidify the AC side filter, pre-charge circuit, protection circuit, etc. inside the cabinet of the energy storage converter 10 to improve the safety of the energy storage converter 10.

[0056] When the energy storage converter 10 is in a stopped state, in order to avoid damage to the multiple power components 100 of the energy storage converter 10 due to low temperature or high humidity, it is necessary to turn on the heating and dehumidifying function of the power components 100 at this time. At the same time, since the AC side filter, pre-charge circuit, protection circuit, etc. inside the cabinet of the energy storage converter 10 are not in an operating state, it is also necessary to turn on the heating and dehumidifying function inside the cabinet of the energy storage converter 10, that is, to heat and dehumidify the AC side filter, pre-charge circuit, protection circuit, etc. inside the cabinet of the energy storage converter 10. Thus, even when the energy storage converter 10 in a long-term shutdown or standby state is in an environment with high humidity and low temperature, other devices and multiple power components 100 inside the cabinet of the energy storage converter 10 can still be better heated and dehumidified to improve the safety of the energy storage converter 10.

[0057] Among them, enabling the heating and dehumidification function inside the energy storage converter cabinet 10 specifically includes: the controller 101 controls the second temperature and humidity detector 107 to be turned on. The second temperature and humidity detector 107 obtains the second temperature and humidity information inside the energy storage converter cabinet 10. When the second temperature and humidity information does not meet the second preset condition, the second switch module 109 is turned on, and the second heating module 108 heats and dehumidifies the inside of the energy storage converter cabinet 10.

[0058] Continue to refer to Figure 6 , in some embodiments, the second temperature and humidity detector 107 includes a second temperature detector 1071 and a second humidity detector 1072; the second temperature and humidity information includes second temperature information and second humidity information; the second temperature detector 1071 is configured to obtain the second temperature information inside the energy storage converter cabinet 10, and the second humidity detector 1072 is configured to obtain the second humidity information inside the energy storage converter cabinet 10; the second preset condition is that the second temperature information is greater than the second preset temperature, or the second humidity information is less than or equal to the second preset humidity.

[0059] Among them, the second preset temperature is in the range of 1°C to 3°C, such as 1°C, 2°C, 3°C, and the second preset humidity is in the range of 60% to 80%, such as 60%, 65%, 70%, 75%, 80%.

[0060] The second temperature and humidity detector 107 of this embodiment includes a second temperature detector 1071 and a second humidity detector 1072, which are respectively used to detect the second temperature information and the second humidity information inside the energy storage converter cabinet 10 (including circuits such as the AC side filter, pre-charge circuit, and protection circuit). The second temperature information and the second humidity information meet the second preset condition if any of the following is satisfied: the second temperature information is greater than the second preset temperature, or the second humidity information is less than or equal to the second preset humidity; thus, when the second temperature information is greater than the second preset temperature, or the second humidity information is less than or equal to the second preset humidity, the second switch module 109 is turned on, and the second heating module 108 turns on the heating and dehumidification inside the energy storage converter cabinet 10.

[0061] Continue to refer to Figure 6, in some embodiments, the second switch module 109 includes a second temperature switch 1091 and a second humidity switch 1092; the controller 101 is configured to control the second temperature switch 1091 to conduct when the second temperature information is less than or equal to the second preset temperature, and control the second temperature switch 1091 to turn off when the second temperature information is greater than the second preset temperature; the controller 101 is configured to control the second humidity switch 1092 to turn off when the second humidity information is less than or equal to the second preset humidity, and control the second humidity switch 1092 to conduct when the second humidity information is greater than the second preset humidity; the second heating module 108 is configured to heat and dehumidify the inside of the energy storage converter 10 cabinet when the second temperature switch 1091 conducts or the second humidity switch 1092 conducts.

[0062] In this embodiment, the second switch module 109 is further set to two switches, namely the second temperature switch 1091 and the second humidity switch 1092. The second temperature switch 1091 and the second humidity switch 1092 can be contactors, relays, IGBT tubes, MOS tubes, etc. The specific switch type is set according to actual needs, and this embodiment does not make specific limitations. By controlling the second temperature switch 1091 and the second humidity switch 1092 respectively, when the second temperature information is less than or equal to the second preset temperature, the second temperature switch 1091 conducts, and when the second humidity information is greater than the second preset humidity, the second humidity switch 1092 is controlled to conduct. Thus, when any one of the second temperature switch 1091 and the second humidity switch 1092 conducts, the second heating module 108 starts to heat and dehumidify other devices inside the energy storage converter 10 cabinet, improving the accuracy and efficiency of heating and dehumidifying the inside of the energy storage converter 10 cabinet.

[0063] An embodiment of the present application relates to a control method for an energy storage converter. The specific process schematic diagram is as Figure 7 shown. The control method for the energy storage converter includes the following steps: Step 201, obtain the status information of the energy storage converter; the status information includes the running status and the stopped status.

[0064] Step 202, when the energy storage converter is in the running state, turn off the heating and dehumidifying function of the power components.

[0065] Step 203, when the energy storage converter is in the stopped state, turn on the heating and dehumidifying function of the power components.

[0066] Specifically, the control method for the energy storage converter in this embodiment is based on the above-mentioned embodiments Figure 2 , Figure 3 , Figure 4 , Figure 5Method embodiment based on the structure of the energy storage converter shown. This embodiment can be implemented in cooperation with the structure embodiment. The relevant technical details mentioned in the structure embodiment are still valid in this embodiment. To avoid repetition, they will not be elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the above-mentioned structure embodiment.

[0067] The energy storage converter in this embodiment can be in an operating state or a stopped state. When the energy storage converter is in an operating state, since multiple power components continuously operate and generate heat during operation, it inherently has the function of heating and dehumidifying. Therefore, at this time, the heating and dehumidifying function of the power components is turned off to reduce the power consumption of the energy storage converter and avoid the problem of large losses caused by the high temperature of multiple power components. When the energy storage converter is in a stopped state, the heating and dehumidifying function of the power components is turned on at this time to avoid damage to the energy storage converter due to external low temperature or high humidity when it is in a stopped state. Thus, even when the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, multiple power components in the energy storage converter can still perform heating and dehumidifying well, improving the safety of the energy storage converter.

[0068] In some embodiments, turning on the heating and dehumidifying function of the power components includes: controlling the first temperature and humidity detector to turn on so that the first temperature and humidity detector obtains the first temperature and humidity information of multiple power components; when the first temperature and humidity information does not meet the first preset condition, the controller controls the first switch module to conduct, so that the first heating module heats and dehumidifies the power components corresponding to the first heating module; when the first temperature and humidity information meets the first preset condition, the controller controls the first switch module to turn off. Correspondingly, turning off the heating and dehumidifying function of the power components includes: controlling the first temperature and humidity detector to turn off, the first switch module to turn off, and the first heating module not to operate.

[0069] In this embodiment, when the energy storage converter is in an operating state, the heating and dehumidifying function of the power components is turned off to reduce the power consumption of the energy storage converter and avoid the problem of large losses caused by the high temperature of multiple power components, improving the safety of the energy storage converter; when the energy storage converter is in a stopped state, the heating and dehumidifying function of the power components is turned on, so that even when the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, multiple power components in the energy storage converter can still perform heating and dehumidifying well, improving the safety of the energy storage converter.

[0070] Another embodiment of the present application relates to a control method for an energy storage converter. The specific process schematic diagram is as Figure 8 shown. The control method of the energy storage converter includes the following steps: Step 301, obtain the status information of the energy storage converter; the status information includes the operating state and the stop state.

[0071] Step 302, when the energy storage converter is in the operating state, turn off the heating and dehumidification function of the power components and turn on the heating and dehumidification function inside the energy storage converter cabinet.

[0072] Step 303, when the energy storage converter is in the stop state, turn on the heating and dehumidification function of the power components and turn on the heating and dehumidification function inside the energy storage converter cabinet.

[0073] Specifically, the control method of the energy storage converter in this embodiment is a method embodiment based on the structure of the energy storage converter shown in the above embodiment, and this embodiment can be implemented in cooperation with the structure embodiment. The relevant technical details mentioned in the structure embodiment are still valid in this embodiment. To avoid repetition, they are not elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the above structure embodiment. Figure 6 Shown in the structure of the energy storage converter as the basis of the method embodiment, this embodiment can be implemented in cooperation with the structure embodiment. The relevant technical details mentioned in the structure embodiment are still valid in this embodiment. To reduce repetition, they are not elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the above structure embodiment.

[0074] The energy storage converter in this embodiment can be in the operating state or the stop state. When the energy storage converter is in the operating state, since multiple power components continuously operate and generate heat during the operating state, it inherently has the function of heating and dehumidification. At this time, turn off the heating and dehumidification function of the power components. However, there are other devices inside the energy storage converter cabinet, such as the AC side filter, pre-charge circuit, protection circuit, etc. These devices do not generate enough heat by themselves to achieve the heating and dehumidification function when the energy storage converter is in the operating state. At this time, it is necessary to turn on the heating and dehumidification function inside the energy storage converter cabinet, that is, to heat and dehumidify the circuits such as the AC side filter, pre-charge circuit, and protection circuit inside the energy storage converter cabinet, to improve the safety of the energy storage converter.

[0075] When the energy storage converter is in the stop state, to avoid damage to the energy storage converter due to low temperature or high humidity, it is necessary to turn on the heating and dehumidification function of the power components at this time. At the same time, it is also necessary to turn on the heating and dehumidification function inside the energy storage converter cabinet, that is, to heat and dehumidify the circuits such as the AC side filter, pre-charge circuit, and protection circuit inside the energy storage converter cabinet. Thus, even when the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, other devices and multiple power components inside the energy storage converter cabinet can still be better heated and dehumidified, improving the safety of the energy storage converter.

[0076] In some embodiments, enabling the heating and dehumidification function inside the energy storage converter cabinet includes: controlling the second temperature and humidity detector to turn on so that the second temperature and humidity detector obtains the second temperature and humidity information inside the energy storage converter cabinet; when the second temperature and humidity information does not meet the second preset condition, controlling the second switch module to conduct so that the second heating module heats and dehumidifies the inside of the energy storage converter cabinet; when the second temperature and humidity information meets the second preset condition, controlling the second switch module to turn off. Correspondingly, disabling the heating and dehumidification function inside the energy storage converter cabinet includes: controlling the second temperature and humidity detector to turn off, the second switch module to turn off, and the second heating module not to operate.

[0077] Another embodiment of the present application relates to a control method for an energy storage converter. The specific process schematic diagram is as Figure 9 shown. The control method for the energy storage converter includes the following steps: Step 401, obtain the status information of the energy storage converter; the status information includes the operating status and the stop status.

[0078] Step 402, when the energy storage converter is in the operating state, disable the heating and dehumidification function of the power components, enable the heating and dehumidification function inside the energy storage converter cabinet, and enable the heat dissipation function of the energy storage converter.

[0079] Step 403, when the energy storage converter is in the stop state, enable the heating and dehumidification function of the power components, enable the heating and dehumidification function inside the energy storage converter cabinet, and disable the heat dissipation function of the energy storage converter.

[0080] Specifically, the control method for the energy storage converter in this embodiment is a method embodiment based on the structure of the energy storage converter shown in the above embodiments Figure 3 、 Figure 5 This embodiment can be implemented in cooperation with the structure embodiment. The relevant technical details mentioned in the structure embodiment are still valid in this embodiment. To avoid repetition, they are not elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the above structure embodiment.

[0081] The energy storage converter of this embodiment can be in an operating state or a stopped state. When the energy storage converter is in the operating state, since multiple power components generate heat during operation, it already has the function of heating and dehumidifying. At this time, the heating and dehumidifying function of the power components is turned off; there are also other devices in the energy storage converter cabinet, such as AC side filters, pre-charge circuits, protection circuits, etc. When the energy storage converter is in the operating state, the heat generated by these devices themselves is not enough to achieve the function of heating and dehumidifying. At this time, the heating and dehumidifying function of the energy storage converter cabinet needs to be turned on; and the heat generated by the continuous operation of multiple power components may cause the problem of excessive temperature, resulting in damage to the energy storage converter and affecting the efficiency of the energy storage converter. Therefore, at this time, the heat dissipation function of the energy storage converter is turned on.

[0082] When the energy storage converter is in the stopped state, in order to avoid damage to the energy storage converter due to low temperature or high humidity, at this time, the heating and dehumidifying function of the power components needs to be turned on; at this time, the heating and dehumidifying function of the energy storage converter cabinet also needs to be turned on, so that even when the energy storage converter in a long-term shutdown or standby state is in an environment with high humidity and low temperature, other devices and multiple power components in the energy storage converter cabinet can still be better heated and dehumidified, improving the safety of the energy storage converter; and the energy storage converter is in the stopped state, there are no operating devices inside, and the energy storage converter does not generate heat. Therefore, at this time, there is no need to turn on the heat dissipation function of the energy storage converter.

[0083] In some embodiments, turning on the heat dissipation function of the energy storage converter includes: controlling the third switch module to conduct, so that the heat dissipation module dissipates heat from multiple power components in the energy storage converter; correspondingly, turning off the heat dissipation function of the energy storage converter includes: controlling the third switch module to turn off and the heat dissipation module to turn off.

[0084] An embodiment of the present application relates to an energy storage system, including: the above-mentioned energy storage converter.

[0085] By setting the energy storage converter in the above embodiment, the energy storage system of this embodiment enables multiple power components in the energy storage converter to be better heated and dehumidified even when the energy storage system in a long-term shutdown or standby state is in an environment with high humidity and low temperature, improving the safety of the energy storage system; at the same time, the multiple power components in the energy storage system of the embodiment of the present application are provided with corresponding first heating modules one by one, and each power component can independently perform heating and dehumidifying, improving the heating and dehumidifying efficiency of the energy storage system and further improving the safety of the energy storage system, providing guarantee for the safe and reliable operation of the energy storage system.

[0086] It is not difficult to find that the energy storage system of this embodiment corresponds to the structural embodiment of the above energy storage converter, and this embodiment can be implemented in cooperation with the structural embodiment of the energy storage converter. The relevant technical details mentioned in the structural embodiment of the energy storage converter are still valid in this embodiment. To avoid repetition, they will not be elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the structural embodiment of the above energy storage converter.

[0087] An embodiment of the present application relates to an electrical device, including: the above-mentioned energy storage converter.

[0088] By setting the energy storage converter in the above embodiment, even when the energy storage system in a long-term shutdown or standby state is in an environment with high humidity and low temperature, multiple power components in the electrical device can still be better heated and dehumidified, improving the safety of the electrical device; at the same time, the multiple power components in the electrical device of the embodiment of the present application are provided with corresponding first heating modules, and each power component can be independently heated and dehumidified, improving the efficiency of heating and dehumidifying the energy storage system and further improving the safety of the electrical device.

[0089] It is not difficult to find that the electrical device of this embodiment corresponds to the structural embodiment of the above energy storage converter, and this embodiment can be implemented in cooperation with the structural embodiment of the energy storage converter. The relevant technical details mentioned in the structural embodiment of the energy storage converter are still valid in this embodiment. To avoid repetition, they will not be elaborated here. Correspondingly, the relevant technical details mentioned in this embodiment can also be applied to the structural embodiment of the above energy storage converter.

[0090] Those of ordinary skill in the art can understand that the above embodiments are specific embodiments for implementing the present application, and in practical applications, various changes can be made in form and details without departing from the spirit and scope of the present application.

Claims

1. A energy storage converter, characterized in that, Including: Multiple power components, a controller, a first temperature and humidity detector, a first switch module, and multiple first heating modules; Multiple said first heating modules are connected to a power supply through the first switch module; The controller is connected to the first temperature and humidity detector and the first switch module; multiple said power components and multiple said first heating modules are arranged in one-to-one correspondence; The first temperature and humidity detector is configured to obtain first temperature and humidity information of multiple said power components; The controller is configured to control the first switch module to turn on when the first temperature and humidity information does not meet a first preset condition, and control the first switch module to turn off when the first temperature and humidity information meets the first preset condition; The first heating module is configured to heat and dehumidify the power component corresponding to the first heating module when the first switch module is turned on.

2. The energy storage converter according to claim 1, wherein The energy storage converter further includes: a second temperature and humidity detector, a second heating module, and a second switch module; the controller is connected to the second temperature and humidity detector and the second switch module; The second heating module is connected to the power supply through the second switch module; the second temperature and humidity detector is configured to obtain second temperature and humidity information inside the energy storage converter cabinet; the controller is configured to control the second switch module to turn on when the second temperature and humidity information does not meet a second preset condition, and control the second switch module to turn off when the second temperature and humidity information meets the second preset condition; the second heating module is configured to heat and dehumidify inside the energy storage converter cabinet when the second switch module is turned on.

3. The energy storage converter according to claim 1, wherein The first temperature and humidity detector includes a first temperature detector and a first humidity detector; the first temperature and humidity information includes first temperature information and first humidity information; The first temperature detector is configured to obtain the first temperature information of multiple said power components, and the first humidity detector is configured to obtain the first humidity information of multiple said power components; the first preset condition is that the first temperature information is greater than a first preset temperature, or the first humidity information is less than or equal to a first preset humidity.

4. The energy storage converter according to claim 2, characterized in that, The second temperature and humidity detector includes a second temperature detector and a second humidity detector; the second temperature and humidity information includes second temperature information and second humidity information; the second temperature detector is configured to obtain the second temperature information inside the energy storage converter cabinet, and the second humidity detector is configured to obtain the second humidity information inside the energy storage converter cabinet; the second preset condition is that the second temperature information is greater than a second preset temperature, or the second humidity information is less than or equal to a second preset humidity.

5. The energy storage converter according to claim 3, wherein, The first switch module includes a first temperature switch and a first humidity switch; the controller is configured to control the first temperature switch to turn on when the first temperature information is less than or equal to the first preset temperature, and control the first temperature switch to turn off when the first temperature information is greater than the first preset temperature; The controller is configured to control the first humidity switch to turn off when the first humidity information is less than or equal to the first preset humidity, and control the first humidity switch to turn on when the first humidity information is greater than the first preset humidity; the first heating module is configured to heat and dehumidify the power component corresponding to the first heating module when the first temperature switch is turned on or the first humidity switch is turned on.

6. The energy storage converter according to claim 4, wherein The second switch module includes a second temperature switch and a second humidity switch; the controller is configured to control the second temperature switch to turn on when the second temperature information is less than or equal to the second preset temperature, and control the second temperature switch to turn off when the second temperature information is greater than the second preset temperature; The controller is configured to control the second humidity switch to turn off when the second humidity information is less than or equal to the second preset humidity, and control the second humidity switch to turn on when the second humidity information is greater than the second preset humidity; the second heating module is configured to heat and dehumidify the inside of the energy storage converter cabinet when the second temperature switch is turned on or the second humidity switch is turned on.

7. The energy storage converter according to any one of claims 1 to 6, characterized in that The energy storage converter further includes a heat dissipation module; the heat dissipation module is connected to the power supply through a third switch module; the controller is connected to the third switch module; The controller is configured to control the third switch module to turn on when the energy storage converter is operating, and control the third switch module to turn off when the energy storage converter stops; The heat dissipation module is configured to dissipate heat from the inside of the energy storage converter cabinet when the third switch module is turned on.

8. The energy storage converter according to claim 7, characterized in that, The heat dissipation module includes a plurality of heat dissipation units, and the plurality of heat dissipation units correspond to the plurality of power components one by one. The heat dissipation unit is configured to dissipate heat from the power component corresponding to the heat dissipation unit when the third switch module is turned on.

9. A control method for an energy storage converter, characterized in that, The controller applied to the energy storage converter as described in claim 1; the control method of the energy storage converter includes: Obtain the status information of the energy storage converter; the status information includes an operating state and a stop state; When the energy storage converter is in the operating state, turn off the heating and dehumidifying function of the power component; When the energy storage converter is in the stop state, turn on the heating and dehumidifying function of the power component.

10. The control method of the energy storage converter according to claim 9, characterized in that The energy storage converter further includes: a second temperature and humidity detector, a second heating module, and a second switch module; the second heating module is connected to the power supply through the second switch module; the control method of the energy storage converter further includes: When the energy storage converter is in the operating state and the stop state, turn on the heating and dehumidifying function of the inside of the energy storage converter cabinet.

11. The control method of the energy storage converter according to claim 9, characterized in that, Turning on the heating and dehumidifying function of the power component includes: Controlling the first temperature and humidity detector to turn on so that the first temperature and humidity detector obtains the first temperature and humidity information of the plurality of power components; When the first temperature and humidity information does not meet the first preset condition, control the first switch module to conduct, so that the first heating module heats and dehumidifies the power component corresponding to the first heating module; when the first temperature and humidity information meets the first preset condition, control the first switch module to turn off.

12. The control method of the energy storage converter according to claim 10, wherein Enabling the heating and dehumidification function in the energy storage converter cabinet includes: Controlling the second temperature and humidity detector to turn on, so that the second temperature and humidity detector obtains the second temperature and humidity information in the energy storage converter cabinet; When the second temperature and humidity information does not meet the second preset condition, control the second switch module to conduct, so that the second heating module heats and dehumidifies the inside of the energy storage converter cabinet; when the second temperature and humidity information meets the second preset condition, control the second switch module to turn off.

13. The control method of the energy storage converter according to claim 10, wherein The energy storage converter further includes a heat dissipation module; the heat dissipation module is connected to the power supply through a third switch module; The controller is connected to the third switch module; the control method of the energy storage converter further includes: When the energy storage converter is in an operating state, enable the heat dissipation function of the energy storage converter; When the energy storage converter is in a stopped state, disable the heat dissipation function of the energy storage converter.

14. A energy storage system, characterized in that, including: The energy storage converter according to any one of claims 1 to 8.

15. An electrical device, characterized in that, including: The energy storage converter according to any one of claims 1 to 8.

Images