Liquid cooling assembly and mobile energy storage power supply

Abstract

The utility model discloses a liquid cooling assembly and a mobile energy storage power supply, the liquid cooling assembly is applied to the mobile energy storage power supply, the mobile energy storage power supply comprises a battery pack accommodating cavity and a plurality of circuit accommodating cavities, each circuit accommodating cavity is internally provided with at least one circuit module, the liquid cooling assembly comprises a liquid storage tank used for storing cooling liquid; the liquid cooling control module is connected with the liquid storage tank; the liquid cooling control module is respectively connected with the battery pack accommodating cavity and the plurality of circuit accommodating cavities through a plurality of liquid cooling pipelines; and the liquid cooling control module is used for enabling the cooling liquid in the liquid storage tank to circulate in the battery pack accommodating cavity and the plurality of circuit accommodating cavities through the plurality of liquid cooling pipelines. According to the utility model, the problem that the high power cannot work with load for a long time or the safety risk is caused by over-high working temperature due to the fact that the temperature rise of the battery is correspondingly increased under the conditions of high energy density requirement and high power can be solved.

Description

Technical Field

[0001] The utility model relates to a mobile energy storage device, in particular to a liquid cooling component and a mobile energy storage power supply. Background Art

[0002] With the change of the new generation's life concept and the increasing popularity of outdoor activities, the market demand for portable energy storage devices has increased rapidly. In the market application, large-power outdoor energy storage devices or household energy storage power supply devices often require long-term high-power output and high-power charging at high power density when the whole machine works. However, with the high energy density requirements and high power, the battery temperature rise will also increase accordingly, which will cause high-power to be unable to work for a long time or the working temperature is too high, resulting in safety risks.

[0003] This solution can effectively solve the problem of damage caused by high temperature operation of inverter and charging as well as battery modules, fully reflects the availability and safety of product resources, can provide solutions for product upgrades in terminal experience and resolve battery safety risks, and greatly improves the product's service life and reliability. Utility Model Content

[0004] The main purpose of the utility model is to solve the problem that as the energy density requirement is high and the power is high, the battery temperature rise will also increase accordingly, which will cause high power to be unable to work under load for a long time or the working temperature is too high, causing safety risks. Therefore, the utility model provides a liquid cooling component and a mobile energy storage power supply.

[0005] To achieve the above-mentioned purpose, the utility model proposes a liquid cooling assembly, which is applied to a mobile energy storage power supply, wherein the mobile energy storage power supply comprises a battery containing cavity and a plurality of circuit containing cavities, wherein at least one circuit module is arranged in the circuit containing cavity, and the liquid cooling assembly comprises:

[0006] A liquid storage tank, the liquid storage tank is used to store coolant;

[0007] A liquid cooling control module, the liquid cooling control module is connected to the liquid storage tank; the liquid cooling control module is respectively connected to the battery containing cavity and the plurality of circuit containing cavities via a plurality of liquid cooling pipes;

[0008] The liquid cooling control module is used to circulate the cooling liquid in the liquid storage tank through the multiple liquid cooling pipes in the battery housing cavity and the multiple circuit housing cavities.

[0009] Optionally, the liquid cooling control module includes: a liquid pump;

[0010] A liquid distribution component, the liquid distribution component is connected to the liquid storage tank via the liquid pump; the liquid distribution component has a plurality of connection ends for connecting to the liquid cooling pipeline;

[0011] The liquid distribution assembly is used to control the operation of the liquid pump so as to circulate the coolant in the liquid storage tank through the corresponding connection end and the connected liquid cooling pipe in the battery housing cavity or the circuit housing cavity connected by the liquid cooling pipe.

[0012] Optionally, the liquid dispensing assembly comprises:

[0013] A branch pipe joint, the branch pipe joint is connected to the liquid storage tank via the liquid pump, and the branch pipe joint has a plurality of connection ends for connecting to the liquid cooling pipeline;

[0014] An adjustable solenoid valve, wherein the adjustable solenoid valve is arranged in the liquid cooling pipeline;

[0015] A control circuit, wherein the control circuit is electrically connected to the plurality of adjustable solenoid valves and the liquid pump, and is used to control the adjustable solenoid valves to adjust the flow rate of the coolant in the corresponding liquid cooling pipeline; and is also used to control the operation of the liquid pump.

[0016] Optionally, the liquid dispensing assembly further comprises:

[0017] A two-way valve, the two-way valve is disposed between the branch pipe joint and the liquid pump through the liquid cooling pipe, and is used to control the flow of coolant in the liquid cooling pipe between the liquid pump and the branch pipe joint;

[0018] A heat dissipation component is connected to the two-way valve and the branch pipe joint, and is used to cool the coolant flowing from the two-way valve to the heat dissipation component and then pass it to the branch pipe joint.

[0019] A control circuit is electrically connected to the two-way valve and the heat dissipation component and is used to control the flow direction of the coolant in the liquid cooling pipeline in the two-way valve and to control the operation of the heat dissipation component.

[0020] Optionally, the liquid cooling component further includes:

[0021] A temperature adjustment component, the temperature adjustment component is arranged in close contact with the pipeline between the liquid storage tank and the liquid pump; the temperature adjustment component is electrically connected to the control circuit;

[0022] The control circuit is used to control the temperature of the temperature adjustment component.

[0023] Optionally, the liquid cooling control module includes a heat dissipation fan, and the heat dissipation fan is spaced apart from the heat dissipation component.

[0024] Optionally, the liquid cooling control module further includes: a plurality of temperature detection components; the temperature detection components are used to be arranged in the battery housing cavity or the circuit housing cavity, and are used to detect the temperature and output a corresponding temperature detection signal;

[0025] A liquid cooling control module is electrically connected to the plurality of temperature detection components and is used to operate according to the plurality of temperature detection signals.

[0026] In addition, to achieve the above-mentioned purpose, the present application also provides a mobile energy storage power supply, including a battery housing cavity, a plurality of circuit housing cavities and a liquid cooling assembly as described in any one of the above items;

[0027] Wherein, at least one circuit module is arranged in the circuit accommodating cavity.

[0028] Optionally, the multiple circuit accommodating chambers include a bidirectional inverter power module accommodating chamber and an MPPT charging power module accommodating chamber.

[0029] Optionally, the liquid cooling control module is fittedly connected to the liquid storage tank, the liquid cooling control module is placed above the MPPT charging power module accommodating cavity, the bidirectional inverter power module accommodating cavity is provided below the MPPT charging power module accommodating cavity, the battery accommodating cavity is provided below the bidirectional inverter power module accommodating cavity, and the liquid cooling control module is connected to the MPPT charging power module accommodating cavity, the bidirectional inverter power module and the battery accommodating cavity through a plurality of liquid cooling pipes.

[0030] Optionally, the bidirectional inverter power supply module accommodating cavity includes a bidirectional inverter power supply upper shell, a bidirectional inverter power supply lower shell and a bidirectional inverter power supply circuit board; the bidirectional inverter power supply circuit board is placed in the bidirectional inverter power supply lower shell, the bidirectional inverter power supply upper shell is fixedly connected to the bidirectional inverter power supply lower shell by screws, a first sealing ring is provided at the joint between the bidirectional inverter power supply upper shell and the bidirectional inverter power supply lower shell, and the upper end of the bidirectional inverter power supply upper shell is detachably provided with a bidirectional inverter power supply liquid flow interface with a through hole.

[0031] Optionally, the MPPT charging power module accommodating cavity includes an MPPT charging power module lower shell, an MPPT charging power module upper shell and an MPPT charging circuit board, the MPPT charging circuit board is placed in the MPPT charging power module lower shell, the MPPT charging power module upper shell and the MPPT charging power module lower shell are detachably connected, a second sealing ring is provided at the joint between the MPPT charging power module upper shell and the MPPT charging power module lower shell, and the upper end of the MPPT charging power module upper shell is detachably provided with an MPPT charging power module liquid flow interface with a through hole.

[0032] Optionally, the battery pack accommodating cavity includes a battery pack lower shell, a battery pack upper shell, a battery pack and a battery protection plate. The battery pack is connected to the battery protection plate through different battery strings and is placed in the battery pack lower shell. The battery pack upper shell and the battery pack lower shell are detachably connected. A third sealing ring is provided at the joint between the battery pack upper shell and the battery pack lower shell. A battery pack liquid flow interface with a through hole is detachably provided on the top of the battery pack upper shell.

[0033] The utility model provides a liquid cooling component and a mobile energy storage power supply technical solution, which includes: a liquid storage tank, a liquid pump in a liquid cooling control module, a liquid distribution component, a battery housing cavity and a plurality of circuit housing cavities, so that the coolant stored in the liquid storage tank controls the conduction and flow rate in a plurality of liquid cooling pipes through the liquid distribution component, so that the battery housing cavity and the plurality of circuit housing cavities can exchange heat or cold. In this way, a liquid cooling component and a mobile energy storage power supply can solve the problem that the temperature rise of the battery will increase accordingly when the energy density requirement is high and the power is high, which will cause the problem that the high power cannot be operated with load for a long time or the operating temperature is too high, resulting in safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0035] Figure 1 A device structure diagram of a liquid cooling component and a mobile energy storage power supply in one embodiment provided by the utility model;

[0036] Figure 2 A diagram of a liquid storage tank, a liquid pump, a liquid distribution component and a heat dissipation fan device of a liquid cooling component in one embodiment provided by the utility model;

[0037] Figure 3 A device principle block diagram of a liquid cooling component in an embodiment provided by the utility model;

[0038] Figure 4 A structural diagram of a battery accommodating chamber of a mobile energy storage power source in an embodiment of the present utility model;

[0039] Figure 5 A device structure diagram of an MPPT charging power module accommodating chamber of a mobile energy storage power supply in one embodiment provided by the utility model;

[0040] Figure 6A device structure diagram of a bidirectional inverter power module accommodating chamber of a mobile energy storage power supply in one embodiment provided by the utility model;

[0041] Figure 7 The present invention provides a block diagram of the principle of the flow of coolant in a liquid cooling pipeline of a liquid cooling component and a mobile energy storage power supply in one embodiment.

[0042] Description of Figure Numbers:

[0043]

[0044] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0047] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0048] With the change of the new generation's life concept and the increasing popularity of outdoor activities, the market demand for portable energy storage devices has increased rapidly. In the market application, large-power outdoor energy storage devices or household energy storage power supply devices often require long-term high-power output and high-power charging at high power density when the whole machine works. However, with the high energy density requirements and high power, the battery temperature rise will also increase accordingly, which will cause high-power to be unable to work for a long time or the working temperature is too high, resulting in safety risks.

[0049] This solution can effectively solve the problem of damage caused by high temperature operation of inverter and charging as well as battery modules, fully reflects the availability and safety of product resources, can provide solutions for product upgrades in terminal experience and resolve battery safety risks, and greatly improves the product's service life and reliability.

[0050] To this end, the utility model proposes a liquid cooling component and a mobile energy storage power supply. Figure 1-3 In one embodiment of the utility model, a liquid cooling assembly is applied to a mobile energy storage power supply, the mobile energy storage power supply comprises a battery containing cavity 1 and a plurality of circuit containing cavities, at least one circuit module is arranged in the circuit containing cavity, and the liquid cooling assembly comprises:

[0051] A liquid storage tank 4, wherein the liquid storage tank 4 is used to store coolant;

[0052] A liquid cooling control module 5, the liquid cooling control module 5 is connected to the liquid storage tank 4; the liquid cooling control module 5 is respectively connected to the battery containing cavity 1 and the plurality of circuit containing cavities via a plurality of liquid cooling pipes 6;

[0053] The liquid cooling control module 5 is used to circulate the cooling liquid in the liquid storage tank 4 through the multiple liquid cooling pipes 6 in the battery housing cavity 1 and the multiple circuit housing cavities.

[0054] Optionally, the liquid cooling control module 5 includes:

[0055] Liquid pump 51;

[0056] A liquid distribution component 52, wherein the liquid distribution component 52 is connected to the liquid storage tank 4 via the liquid pump 51; the liquid distribution component 52 has a plurality of connection ends for connecting to the liquid cooling pipe 6;

[0057] The liquid distribution component 52 is used to control the operation of the liquid pump 51 to circulate the coolant in the liquid storage tank 4 through the corresponding connection end and the connected liquid cooling pipe 6 in the battery housing chamber 1 or the circuit housing chamber connected by the liquid cooling pipe 6.

[0058] Optionally, the liquid dispensing assembly 5 comprises:

[0059] A branch pipe joint 524, the branch pipe joint 524 is connected to the liquid storage tank 4 via the liquid pump 51, and the branch pipe joint 524 has a plurality of connection ends for connecting to the liquid cooling pipe 6;

[0060] An adjustable solenoid valve 522, wherein the adjustable solenoid valve 522 is disposed in the liquid cooling pipe 6;

[0061] The control circuit is electrically connected to the plurality of adjustable solenoid valves 522 and the liquid pump 51 and is used to control the adjustable solenoid valves 522 to adjust the coolant flow rate in the corresponding liquid cooling pipe 6; and is also used to control the operation of the liquid pump 51.

[0062] In this embodiment, the adjustable solenoid valve 522 can be designed as a one-way adjustable solenoid valve, a right-angle adjustable solenoid valve and an adjustable pressure solenoid valve according to actual needs. The control circuit can be implemented by a main controller, such as MCU (Microcontroller Unit), DSP (Digital Signal Process), FPGA (Field Programmable Gate Array), SOC (System OnChip), ARM (Acorn RISC Machine), etc.

[0063] Optionally, the liquid dispensing assembly further comprises:

[0064] The two-way valve 523 is arranged between the branch joint 524 and the liquid pump 51 through the liquid cooling pipe 6, and is used to control the flow of coolant in the liquid cooling pipe 6 between the liquid pump 51 and the branch joint 524; the two-way valve 523 receives the control signal of the control circuit to control the liquid cooling pipe 6 at the output end of the two-way valve 523 to be turned on or off.

[0065] The heat dissipation component 521 is connected to the two-way valve 523 and the branch pipe joint 524, and is used to cool the coolant flowing from the two-way valve 523 to the heat dissipation component 521 and then pass it to the branch pipe joint 524.

[0066] The control circuit is electrically connected to the two-way valve 523 and the heat dissipation component 521 and is used to control the flow direction of the coolant in the liquid cooling pipe 6 in the two-way valve 523 and to control the operation of the heat dissipation component 521 .

[0067] In this embodiment, the two-way valve 523 can be a straight-through two-way valve, a right-angle two-way valve, a volute two-way valve or other types of two-way valves according to actual functional requirements, and the heat dissipation component 521 can be a heat dissipation component made of copper, aluminum, copper-aluminum composite, plastic or other materials according to actual functional requirements and cost considerations.

[0068] Optionally, the liquid cooling component further includes:

[0069] A temperature regulating component 8, wherein the temperature regulating component 8 is arranged in close contact with the pipeline between the liquid storage tank 4 and the liquid pump 51; the temperature regulating component 8 is electrically connected to the control circuit;

[0070] The control circuit is used to control the temperature of the temperature adjustment component 8.

[0071] In this embodiment, the temperature control component 8 can use semiconductor heating sheets and semiconductor cooling sheets attached to the pipeline to cool or heat the coolant in the liquid cooling pipeline 6 more quickly.

[0072] Optionally, the liquid cooling control module 5 includes a heat dissipation fan 53, and the heat dissipation fan 53 is spaced apart from the heat dissipation component 521, and the heat dissipation fan 53 is used to accelerate the exchange of heat or cold between the heat dissipation component 521 and the external environment.

[0073] Optionally, the liquid cooling control module 5 further includes: a plurality of temperature detection components 9; the temperature detection components 9 are used to be arranged in the battery housing cavity 1 or the circuit housing cavity, and are used to detect the temperature and output a corresponding temperature detection signal;

[0074] The liquid cooling control module 5 is electrically connected to the plurality of temperature detection components 9 and is used to work according to the plurality of temperature detection signals.

[0075] In this embodiment, the temperature detection component 9 can use an NTC sensor, a digital output sensor, a PTC temperature sensor, a thermocouple temperature sensor, etc. to detect the temperature of the coolant. Due to their small size, the NTC sensor and the PTC sensor can be directly set in the liquid cooling pipe 6 flowing to or out of the battery containing cavity 1 or the circuit containing cavity, and can also be set in the battery containing cavity 1 or the circuit containing cavity to detect the temperature and output a corresponding temperature detection signal. Due to their large size, the digital output sensor and the thermocouple temperature sensor can only be set in the battery containing cavity 1 or the circuit containing cavity to detect the temperature and output a corresponding temperature detection signal.

[0076] This application also proposes a mobile energy storage power supply, please refer to Figure 1 , the mobile energy storage power supply comprises a battery containing cavity 1, a plurality of circuit containing cavities and the liquid cooling assembly;

[0077] Wherein, at least one circuit module is arranged in the circuit accommodating cavity.

[0078] Optionally, the multiple circuit accommodating chambers include a bidirectional inverter power module accommodating chamber 3 and an MPPT charging power module accommodating chamber 2.

[0079] Optionally, the liquid cooling control module 5 is closely connected to the liquid storage tank 4, the liquid cooling control module 5 is placed above the MPPT charging power module accommodating chamber 2, the bidirectional inverter power module accommodating chamber 3 is provided below the MPPT charging power module accommodating chamber 2, the battery accommodating chamber 1 is provided below the bidirectional inverter power module accommodating chamber 3, and the liquid cooling control module 5 is connected to the MPPT charging power module accommodating chamber 2, the bidirectional inverter power module 3 and the battery accommodating chamber 1 through a plurality of liquid cooling pipes 6.

[0080] Optionally, the mobile energy storage power supply also includes a human-computer interaction module 7, which is electrically connected to the bidirectional inverter power module accommodating chamber 3, the MPPT charging power module accommodating chamber 2, the battery accommodating chamber 1 and the liquid cooling control component 5. The human-computer interaction module 7 is used to display the temperature information of the bidirectional inverter power module accommodating chamber 3, the MPPT charging power module accommodating chamber 2, and the battery accommodating chamber 1, the liquid cooling working status and the coolant inventory of the liquid storage tank 4.

[0081] Specifically, for example, a temperature sensor can be designed near the bidirectional inverter power module accommodating chamber 3, near the circuit module of the MPPT charging power module accommodating chamber 2, and near the battery pack of the battery pack accommodating chamber 1 to send a temperature signal to the human-computer interaction module 7. A liquid level gauge can be designed in the liquid storage tank 4 to measure the height of the liquid level and send a liquid level signal to the human-computer interaction module 7. The two-way valve 523 can adopt a two-way solenoid valve. The human-computer interaction module 7 is electrically connected to the electromagnetic two-way valve, the adjustable solenoid valve 522 and the liquid pump 51. The human-computer interaction module 7 receives the working status signals of the electromagnetic two-way valve, the adjustable solenoid valve 522 and the liquid pump 51.

[0082] Please refer to the embodiment of the present invention. Figure 7, a flow mode of the coolant in the liquid cooling pipeline of a liquid cooling component and a mobile energy storage power supply, including: the liquid pump 51 starts working, the liquid pump 51 provides power for the coolant in the liquid storage tank 4 to flow to the two-way valve 523, the two-way valve 523 can select the two channels in the valve to be turned on or off after receiving the control signal of the control circuit, the coolant can be cooled by the heat dissipation component 521 and then flow to the branch joint 524, the two-way valve 523 can also choose to let the coolant flow directly to the branch joint 524, the two-way valve 523 can also choose to let the coolant flow directly to the branch joint 524 after cooling through the heat dissipation component 521 and let the coolant flow directly to the branch joint 524, the branch joint 524 flows the coolant to the MPPT charging In the electric power module accommodating chamber 2, the bidirectional inverter power module accommodating chamber 3 and the battery accommodating chamber 1, the coolant in the MPPT charging power module accommodating chamber 2 flows through the first temperature sensor, adjusts the flow rate through the first adjustable solenoid valve, passes through the liquid pump 51, and then flows back to the liquid storage tank 4; the coolant in the battery accommodating chamber 1 flows through the second temperature sensor, adjusts the flow rate through the second adjustable solenoid valve, passes through the liquid pump 51, and then flows back to the liquid storage tank 4; the coolant in the bidirectional inverter power module accommodating chamber 3 flows through the third temperature sensor, adjusts the flow rate through the third adjustable solenoid valve, passes through the liquid pump 51, and then flows back to the liquid storage tank 4; wherein the first adjustable solenoid valve, the second adjustable solenoid valve, and the third adjustable solenoid valve can adjust the flow rate of the coolant flowing through to 0.

[0083] Optionally, in the present embodiment, there is at least one heat-generating and power-consuming component in the MPPT charging power module accommodating chamber 2, the bidirectional inverter power module accommodating chamber 3 and the battery accommodating chamber 1, which can heat the coolant.

[0084] In one embodiment, please refer to Figure 4 The battery pack accommodating cavity 1 includes a battery pack lower shell 18, a battery pack upper shell 14, a battery pack 17 and a battery protection board 16. The battery pack 17 is connected to the battery protection board 16 through different battery strings and is placed in the battery pack lower shell 18. The battery pack upper shell 14 and the battery pack lower shell 18 are detachably connected. A third sealing ring 15 is provided at the joint between the battery pack upper shell 14 and the battery pack lower shell 18. A battery pack liquid flow interface 13 with a through hole is detachably provided above the battery pack upper shell 14. The battery pack liquid flow interface 13 is connected to the liquid cooling control module 5 through a pipeline.

[0085] Specifically, the battery pack upper shell 14 and the battery pack lower shell 18 can be detachably connected by means of threaded connection and snap connection, and the battery pack liquid flow interface 13 with a through hole detachably provided above the battery pack upper shell 14 can be detachably connected by means of threaded connection and snap connection. For example, the battery pack upper shell 14 can be provided with a snap, and the battery pack lower shell 18 can be provided with a slot, and the battery pack upper shell 14 and the battery pack lower shell 18 are snap-connected.

[0086] Optionally, a battery input / output interface 11 and a fixing screw 12 are further provided above the battery pack upper shell 14, and corresponding through holes are provided in the battery pack protection plate 16 and the battery pack 17. The fixing screw 12 fixes the battery pack upper shell 14 and the battery pack lower shell 18 to be connected through the through holes, and the battery pack 17 is connected in series and parallel with the battery pack protection plate 16 and then connected to the battery input / output interface 11; the battery input / output interface 11 is used to output the battery's electric energy to the outside world.

[0087] In one embodiment, please refer to Figure 5 The MPPT charging power module accommodating chamber 2 includes an MPPT charging power module lower shell 27, an MPPT charging power module upper shell 24 and an MPPT charging circuit board 2. The MPPT charging circuit board 2 is placed in the MPPT charging power module lower shell 27. The MPPT charging power module upper shell 24 is detachably connected to the MPPT charging power module lower shell 27. A second sealing ring 26 is provided at the joint between the MPPT charging power module upper shell 24 and the MPPT charging power module lower shell 27. The upper end of the MPPT charging power module upper shell 24 is detachably provided with an MPPT charging power module liquid flow interface 24 with a through hole. The MPPT charging power module liquid flow interface 24 is connected to the liquid cooling control module 5 through a pipeline.

[0088] Specifically, the MPPT charging power module upper shell 24 and the MPPT charging power module lower shell 27 can be detachably connected by means of threaded connection and snap connection, and the MPPT charging power module liquid flow interface 24 with a through hole that can be detachably provided above the MPPT charging power module upper shell 24 can be detachably connected by means of threaded connection and snap connection, for example, the MPPT charging power module upper shell 24 can be provided with a snap, and the MPPT charging power module lower shell 27 can be provided with a slot, and the MPPT charging power module upper shell 24 and the MPPT charging power module lower shell 27 are snap-connected.

[0089] Optionally, the upper shell 24 of the MPPT charging power module is also provided with an MPPT charging power module communication interface 21 and an MPPT charging power module input and output interface 22, and the MPPT charging circuit board 2 is electrically connected to the MPPT charging power module communication interface 21 and the MPPT charging power module input and output interface 22.

[0090] In one embodiment, please refer to Figure 5 The bidirectional inverter power module accommodating chamber 3 includes a bidirectional inverter power upper shell 35, a bidirectional inverter power lower shell 38 and a bidirectional inverter power circuit board 36; the bidirectional inverter power circuit board 36 is placed in the bidirectional inverter power lower shell 38, the bidirectional inverter power upper shell 35 is fixedly connected to the bidirectional inverter power lower shell 38 by screws, and a first sealing ring 37 is provided at the joint between the bidirectional inverter power upper shell 35 and the bidirectional inverter power lower shell 38, and a bidirectional inverter power liquid flow interface 34 with a through hole is detachably provided at the upper end of the bidirectional inverter power upper shell 35, and the bidirectional inverter power liquid flow interface 34 is connected to the liquid cooling control module 5 pipeline.

[0091] Specifically, the bidirectional inverter power supply upper shell 35 and the bidirectional inverter power supply lower shell 38 can be detachably connected by means of threaded connection and snap connection, and the bidirectional inverter power supply fluid flow interface 34 can be detachably connected by means of threaded connection and snap connection, for example, the bidirectional inverter power supply upper shell 35 can be provided with a snap, and the bidirectional inverter power supply lower shell 38 can be provided with a slot, and the bidirectional inverter power supply upper shell 35 and the bidirectional inverter power supply lower shell 38 are snap-connected.

[0092] Optionally, the bidirectional inverter power supply upper shell 35 is also provided with a bidirectional inverter power supply communication interface 31, a bidirectional inverter power supply communication interface 32 and a bidirectional inverter power supply AC electrical interface 33, and the bidirectional inverter circuit board 36 is electrically connected to the bidirectional inverter power supply communication interface 31, the bidirectional inverter power supply communication interface 32 and the bidirectional inverter power supply AC electrical interface 33.

[0093] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A liquid cooling component, applied to a mobile energy storage power supply, characterized in that: The mobile energy storage power source comprises a battery containing cavity and a plurality of circuit containing cavities, at least one circuit module is arranged in the circuit containing cavity, and the liquid cooling assembly comprises: A liquid storage tank, the liquid storage tank is used to store coolant; A liquid cooling control module, the liquid cooling control module is connected to the liquid storage tank; the liquid cooling control module is respectively connected to the battery containing cavity and the plurality of circuit containing cavities via a plurality of liquid cooling pipes; The liquid cooling control module is used to circulate the cooling liquid in the liquid storage tank through the multiple liquid cooling pipes in the battery housing cavity and the multiple circuit housing cavities.

2. The liquid cooling assembly according to claim 1, characterized in that: The liquid cooling control module comprises: Liquid pump; A liquid distribution component, the liquid distribution component is connected to the liquid storage tank via the liquid pump; the liquid distribution component has a plurality of connection ends for connecting to the liquid cooling pipeline; The liquid distribution assembly is used to control the operation of the liquid pump so as to circulate the coolant in the liquid storage tank through the corresponding connection end and the connected liquid cooling pipe in the battery housing cavity or the circuit housing cavity connected by the liquid cooling pipe.

3. The liquid cooling assembly according to claim 2, characterized in that: The liquid dispensing assembly comprises: A branch pipe joint, the branch pipe joint is connected to the liquid storage tank via the liquid pump, and the branch pipe joint has a plurality of connection ends for connecting to a liquid cooling pipeline; An adjustable solenoid valve, wherein the adjustable solenoid valve is arranged in the liquid cooling pipeline; A control circuit, wherein the control circuit is electrically connected to the plurality of adjustable solenoid valves and the liquid pump, and is used to control the adjustable solenoid valves to adjust the flow rate of the coolant in the corresponding liquid cooling pipeline; and is also used to control the operation of the liquid pump.

4. The liquid cooling assembly according to claim 3, characterized in that: The liquid dispensing assembly further comprises: A two-way valve, the two-way valve is disposed between the branch pipe joint and the liquid pump through the liquid cooling pipe, and is used to control the flow of coolant in the liquid cooling pipe between the liquid pump and the branch pipe joint; A heat dissipation component, which is connected to the two-way valve and the branch pipe joint, and is used to cool the coolant flowing from the two-way valve to the heat dissipation component and then pass it to the branch pipe joint; A control circuit is electrically connected to the two-way valve and the heat dissipation component and is used to control the flow direction of the coolant in the liquid cooling pipeline in the two-way valve and to control the operation of the heat dissipation component.

5. The liquid cooling assembly according to claim 3, characterized in that: The liquid cooling assembly also includes: A temperature adjustment component, the temperature adjustment component is arranged in close contact with the pipeline between the liquid storage tank and the liquid pump; the temperature adjustment component is electrically connected to the control circuit; The control circuit is used to control the temperature of the temperature regulating component.

6. The liquid cooling assembly according to claim 4, characterized in that: The liquid cooling control module comprises a heat dissipation fan, and the heat dissipation fan is arranged at a distance from the heat dissipation component.

7. The liquid cooling assembly according to any one of claims 1 to 6, characterized in that: The liquid cooling control module further includes: a plurality of temperature detection components; the temperature detection components are used to be arranged in the battery housing cavity or the circuit housing cavity, and are used to detect the temperature and output a corresponding temperature detection signal; A liquid cooling control module is electrically connected to the plurality of temperature detection components and is used to operate according to the plurality of temperature detection signals.

8. A mobile energy storage power supply, characterized in that: It comprises a battery containing cavity, a plurality of circuit containing cavities and a liquid cooling assembly as claimed in any one of claims 1 to 7; Wherein, at least one circuit module is arranged in the circuit accommodating cavity.

9. The mobile energy storage power supply according to claim 8, characterized in that: The multiple circuit accommodating chambers include a bidirectional inverter power module accommodating chamber and an MPPT charging power module accommodating chamber.

10. The mobile energy storage power supply according to claim 9, characterized in that: The liquid cooling control module is fittedly connected to the liquid storage tank, and the liquid cooling control module is placed above the MPPT charging power module accommodating chamber. The bidirectional inverter power module accommodating chamber is provided below the MPPT charging power module accommodating chamber, and the battery accommodating chamber is provided below the bidirectional inverter power module accommodating chamber. The liquid cooling control module is connected to the MPPT charging power module accommodating chamber, the bidirectional inverter power module and the battery accommodating chamber through a plurality of the liquid cooling pipes.

11. The mobile energy storage power supply according to claim 9, characterized in that: The bidirectional inverter power module accommodating cavity includes a bidirectional inverter power upper shell, a bidirectional inverter power lower shell and a bidirectional inverter power circuit board; the bidirectional inverter power circuit board is placed in the bidirectional inverter power lower shell, the bidirectional inverter power upper shell is fixedly connected to the bidirectional inverter power lower shell by screws, a first sealing ring is provided at the joint between the bidirectional inverter power upper shell and the bidirectional inverter power lower shell, and a bidirectional inverter power liquid flow interface with a through hole is detachably provided at the upper end of the bidirectional inverter power upper shell.

12. The mobile energy storage power supply according to claim 9, characterized in that: The MPPT charging power module accommodating cavity includes an MPPT charging power module lower shell, an MPPT charging power module upper shell and an MPPT charging circuit board. The MPPT charging circuit board is placed in the MPPT charging power module lower shell. The MPPT charging power module upper shell is detachably connected to the MPPT charging power module lower shell. A second sealing ring is provided at the joint between the MPPT charging power module upper shell and the MPPT charging power module lower shell. The upper end of the MPPT charging power module upper shell is detachably provided with an MPPT charging power module liquid flow interface with a through hole.

13. The mobile energy storage power supply according to claim 9, characterized in that: The battery pack accommodating cavity includes a battery pack lower shell, a battery pack upper shell, a battery pack and a battery protection plate. The battery pack is connected to the battery protection plate through different battery strings and is placed in the battery pack lower shell. The battery pack upper shell and the battery pack lower shell are detachably connected. A third sealing ring is provided at the joint between the battery pack upper shell and the battery pack lower shell. A battery pack liquid flow interface with a through hole is detachably provided above the battery pack upper shell.

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