CN220711821U - Main control box and energy storage device - Google Patents

Abstract

The utility model discloses a main control box and an energy storage device, wherein the main control box is applied to the energy storage device and comprises: the main control box body is provided with a first box wall; the cooling part is located the outside of master control case box, and the cooling part has cooling runner and heat exchange surface, and the cooling runner is used for circulating cooling medium, and the heat exchange surface sets up towards first case wall, and the cooling part is equipped with first connecting piece, and first connecting piece can dismantle with first case wall and link to each other. The main control box can rapidly take away the heat of the electronic components through the cooling medium of the cooling component, has higher cooling efficiency, can improve the heat dissipation efficiency of the electronic components in the main control box body, and improves the reliability of the main control box. And main control box and cooling part constitute split structure design, can separate main control box and cooling part through first connecting piece, can maintain main control box alone, make things convenient for the maintenance of main control box.

Description

Main control box and energy storage device

Technical Field

The application relates to the field of energy storage systems, in particular to a main control box and an energy storage device.

Background

The energy storage device is a device for temporarily or permanently storing energy, and in recent years, new energy automobiles have been developed dramatically, and in the field of electric automobiles, a power battery plays an important role as a power source of the electric automobile. The common energy storage device is to reuse the abandoned power batteries for storing electric energy, and the energy storage system is provided with a main control box which is used for monitoring the conditions of a plurality of power batteries at any time. However, the heat dissipation effect of the main control box is poor, the reliability of the main control box can be affected, and potential safety hazards exist in the energy storage device.

Disclosure of Invention

The embodiment of the application provides a master control case, can effectively improve the radiating efficiency of master control case, is favorable to improving the reliability of master control case, reduces the probability that energy memory takes place the potential safety hazard.

In a first aspect, embodiments of the present application provide a master control box, the master control box is applied to energy storage device, the master control box includes: the main control box body is provided with a first box wall; the cooling part is located the outside of master control case box, and the cooling part has cooling runner and heat exchange surface, and the cooling runner is used for circulating cooling medium, and the heat exchange surface sets up towards first case wall, and the cooling part is equipped with first connecting piece, and first connecting piece can dismantle with first case wall and link to each other.

In the above technical scheme, through setting the master control case to including master control case box and cooling part, cooling part has cooling runner and heat exchange face, and cooling runner is used for circulating cooling medium, and cooling part can carry out the heat exchange with the electronic components in the master control case box through cooling medium and the heat exchange face of circulation to play and dispel the heat refrigerated purpose to the electronic components. The cooling component can rapidly take away the heat of the electronic components through the cooling medium, so that the cooling component has higher cooling efficiency, the heat dissipation efficiency of the electronic components in the main control box body can be improved, and the reliability of the main control box is improved. And the cooling part can be detachably connected with the first box wall through the first connecting piece, so that the main control box body and the cooling part are formed into a split structural design, the main control box body and the cooling part can be separated through the first connecting piece, the main control box body can be independently maintained, the weight in the maintenance process is reduced, and the main control box is convenient to maintain.

In some embodiments of the present application, the first tank wall is provided with a through hole, and the orthographic projection of the heat exchange surface on the first tank wall and the orthographic projection of the through hole on the first tank wall are at least partially overlapped.

In the technical scheme, as the through holes are formed in the first tank wall, when the heat exchange surface exchanges heat with the electronic components in the main control tank body, the cold energy of the cooling component can pass through the through holes, so that the cold energy blocking of the first tank wall to the cooling component is reduced, the cold energy loss is reduced, the cold energy of the cooling component can be used for exchanging heat with the electronic components as much as possible, the heat dissipation efficiency of the cooling component to the main control tank is improved, and the heat dissipation effect is improved.

In some embodiments of the present application, the orthographic projection of the heat exchange surface on the first tank wall is located within the orthographic projection of the through hole on the first tank wall. In this technical scheme, because the orthographic projection of heat exchange face at first case wall is located the through-hole in the orthographic projection of first case wall, first case wall can the furthest reduce the cold volume separation to the heat exchange face, and the contact surface of heat exchange face and first case wall reduces greatly promptly, and cold volume loss also further reduces, can further improve the radiating efficiency of cooling part to the master control case, promotes the radiating effect.

In some embodiments of the present application, the master control box further includes a component arrangement plate disposed within the master control box and heat exchangeable with the heat exchanging surface. In the technical scheme, the component arrangement plate can be used for arranging one or more electronic components needing heat dissipation, can play a role in heat conduction, quickly transfers the cold energy of the heat exchange surface to the one or more electronic components, and is beneficial to centralizing the heat dissipation of the one or more electronic components.

In some embodiments of the present application, the master control box further includes a housing, the housing covering the component placement plate. In the technical scheme, the shell can separate the electronic components needing to be cooled by the cooling component from other electronic components in the main control box body, and can play a role in protecting the shell.

In some embodiments of the present application, the master control box further includes a second connector that is a conductive member and connects the first box wall, the component placement plate, and the housing.

According to the technical scheme, the second connecting piece not only can play a role in fixing the first box wall, the component arrangement plate and the shell, but also can keep the first box wall, the component arrangement plate and the shell in an equipotential state, so that electric field changes possibly existing among different parts can be eliminated or reduced, the damage probability of the main control box is reduced, and the risks of personal electric shock and equipment faults can be reduced.

In some embodiments of the present application, a heat conducting member is provided between the component arrangement plate and the heat exchange surface, the heat conducting member being stopped against the component arrangement plate and the heat exchange surface, wherein the heat conducting member or the cooling member is at least partially penetrating through the through hole.

In the above technical scheme, because the cooling part is located the outside of master control case box, the components and parts arrange the inboard that the board is located master control case box, through setting up the heat conduction piece between components and parts arrangement board and heat exchange face, components and parts arrangement board and heat exchange face accessible heat conduction piece carry out heat transfer, components and parts arrangement board and cooling part need not to adjust the structure and adapt to the through-hole, are favorable to reducing the structural complexity of cooling part and components and parts arrangement board, reduce cost.

In some embodiments of the present application, the main control box further includes a sealing member provided between the cooling member and the first box wall for sealing a peripheral side of the through hole, the sealing member connecting the cooling member and the first box wall.

In the above technical scheme, the sealing member can play sealed effect between cooling part and first case wall for sealed week side of through-hole, reinforcing master control case box waterproof grade reduces substances such as liquid, gas and dust in the external environment and gets into master control case box in by the through-hole, influences the probability of inside electronic components, is favorable to improving master control case's security and reliability.

In some embodiments of the present application, the first connecting piece is a bolt, the first tank wall is provided with a first bolt hole, the cooling component is provided with a second bolt hole, the bolt penetrates through the first bolt hole and the second bolt hole, and a blind nut is connected to a portion of the bolt located in the main control tank body.

In the technical scheme, the first tank wall and the cooling part can be detachably connected through the bolts, the connecting mode is simple in structure, reliable in connection and convenient to install and detach, and the cost can be reduced. The blind nut and the bolt are in threaded connection and matched with each other, so that the bolts can be fixed on the first box wall, the sealing effect can be achieved, the probability that substances such as liquid, gas and dust in the external environment enter the main control box body from the first bolt hole and the second bolt hole is reduced, the sealing performance of the main control box body can be improved, and the reliability of the main control box is improved.

In some embodiments of the present application, the blind nut is a blind rivet nut. In this technical scheme, draw and rivet nut not only can with bolt spiro union back with the bolt fastening on the master control case box, can also rivet simultaneously on first case wall for draw and rivet and form stable structure between nut and the first case wall, have higher leakproofness, can further reduce liquid, gas and the dust in the external environment get into the probability in the master control case box from first bolt hole, improve the waterproof grade between master control case box and the cooling part, be favorable to realizing IP67 grade waterproof.

In some embodiments of the present application, the first wall has a recess recessed inward of the main control box, and the cooling member has an inlet pipe and an outlet pipe communicating with the cooling flow passage, the inlet pipe and the outlet pipe being at least partially located in a space formed by the recess.

In the technical scheme, the concave part which is concave towards the inner side of the main control box body is formed in the first box wall, the concave part can provide the accommodating space of the inlet pipe and the outlet pipe, the installation influence of the inlet pipe and the outlet pipe on the main control box body in the main control box is reduced, the main control box body and the cooling part are more compact in arrangement in the direction perpendicular to the first box wall, the volume of the main control box is reduced, and larger installation space is provided for other parts of the main control box.

In some embodiments of the present application, the first tank wall is provided with a mounting seat, the mounting seat is located outside the recess, the mounting seat has a connection face away from the first tank wall, and the nozzles of the inlet pipe and the outlet pipe do not exceed the connection face in a direction perpendicular to the first tank wall.

In the above technical scheme, the main control box body is mounted on other components or platforms through the mounting seat, and the pipe orifices of the inlet pipe and the outlet pipe do not exceed the connecting surface in the direction perpendicular to the first box wall, so that the influence of the inlet pipe and the outlet pipe on the mounting of the main control box body is further reduced, and the main control box body is convenient to mount or dismount. Secondly, mount pad and concave part can provide the required accommodation height space of import pipe and outlet pipe jointly, can reduce like this and influence the space in the main control box because of the recess degree of depth of concave part is too big, can make main control box have bigger space arrangement electronic components.

In a second aspect, embodiments of the present application provide an energy storage device, including the foregoing main control box.

In the technical scheme, the main control box can improve the heat dissipation efficiency of electronic components in the main control box body by adopting the main control box, improve the reliability of the main control box, further improve the reliability of the energy storage device, be favorable for reducing the potential safety hazard of the energy storage device and prolong the service life of the energy storage device. And the main control box can separate the main control box body and the cooling component, so that the main control box body can be independently maintained, the weight in the maintenance process is reduced, the maintenance of the main control box is facilitated, and the daily maintenance of the energy storage device is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a master control pod provided in some embodiments of the present application;

fig. 2 is a schematic diagram of an internal structure of a master control box according to some embodiments of the present disclosure;

FIG. 3 is an enlarged view of a portion of FIG. 2 at III;

fig. 4 is a schematic partial structure of a master control box according to some embodiments of the present disclosure;

fig. 5 is a bottom view of a master control pod provided in some embodiments of the present application.

Icon: 100. a main control box; 10. a main control box body; 101. a first tank wall; 101a, through holes; 101b, first bolt holes; 101c, a recess; 20. a cooling member; 20a, cooling flow channels; 20b, heat exchange surface; 20c, second bolt holes; 201. an inlet pipe; 202. an outlet tube; 30. a first connector; 301. a blind nut; 40. a component arrangement board; 50. a housing; 60. a second connector; 601. a fastening nut; 70. a heat conductive member; 80. a seal; 801. a glue layer; 90. a mounting base; 90a, connection surfaces; x, a first direction; y, second direction; z, third direction.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The term "and/or" in this application is merely an association relation describing an associated object, and indicates that three relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In this application, the character "/" generally indicates that the associated object is an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and in the interest of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are illustrative only and should not be construed as limiting the present application in any way.

The term "plurality" as used herein refers to more than two (including two).

The energy storage device is a device for temporarily or permanently storing energy, and in recent years, new energy automobiles have been developed dramatically, and in the field of electric automobiles, a power battery plays an important role as a power source of the electric automobile. The common energy storage device is to reuse the abandoned power batteries for storing electric energy, and the energy storage system can set up the main control box to monitor the condition of a plurality of power batteries at any time. However, the heat dissipation effect of the main control box is poor, the reliability of the main control box can be affected, and potential safety hazards exist in the energy storage device.

The inventor finds that in a general energy storage device, a main control box mostly adopts an air cooling mode to dissipate heat, and a heat dissipation hole is formed in a box body of the main control box, so that a heat dissipation fan rotates to dissipate heat of electronic components in the main control box. However, when the cooling fan drives the outside air to flow through the main control box body and the cooling holes, dust is easy to accumulate on the cooling holes, so that the cooling holes are easy to be blocked, the cooling efficiency of the main control box is seriously affected, the electronic components with higher cooling requirements are easy to damage, the control function of the main control box is affected, the reliability of the main control box is poor, the energy storage battery in the energy storage device cannot be effectively monitored, the probability of fire of the energy storage battery is increased, and the safety of the energy storage device is further affected.

Based on the above-mentioned consideration, in order to solve the problem that the poor heat dissipation effect of the main control box of the energy storage device results in poor reliability of the main control box, the inventor has devised a main control box applied to the energy storage device, the main control box including a main control box body and a cooling component, the main control box body having a first box wall; the cooling part is located the outside of master control case box, and the cooling part has cooling runner and heat exchange surface, and cooling runner is used for circulating cooling medium, and heat exchange surface sets up towards first case wall, and the cooling part is equipped with first connecting piece, and first connecting piece can dismantle with first case wall and link to each other.

In the main control box with the structure, the main control box body and the cooling component are arranged, the cooling component is provided with the cooling flow passage and the heat exchange surface, the cooling flow passage is used for circulating cooling medium, and the cooling component can exchange heat with the electronic components in the main control box body through the circulating cooling medium and the heat exchange surface so as to achieve the purpose of radiating and cooling the electronic components. The cooling component can rapidly take away the heat of the electronic components through the cooling medium, so that the cooling component has higher cooling efficiency, the heat dissipation efficiency of the electronic components in the main control box body can be improved, and the reliability of the main control box is improved. And the cooling part can be detachably connected with the first box wall through the first connecting piece, so that the main control box body and the cooling part are formed into a split structural design, the main control box body and the cooling part can be separated through the first connecting piece, the main control box body can be independently maintained, the weight in the maintenance process is reduced, and the main control box is convenient to maintain.

The energy storage device of the embodiments of the present application may be used for, but is not limited to, electrical energy storage devices, thermal energy storage devices, mechanical energy storage devices, and the like. The energy storage device may be a lithium battery energy storage device, for example. The energy storage device of the embodiment of the application can also be applied to power systems, transportation systems, industrial energy storage and emergency standby equipment and the like.

According to some embodiments of the present application, referring to fig. 1 to 3, embodiments of the present application provide a master control box 100, the master control box 100 is applied to an energy storage device, and the master control box 100 includes a master control box body 10 and a cooling component 20. The main control box 10 has a first box wall 101. The cooling component 20 is located outside the main control box 10, the cooling component 20 has a cooling flow passage 20a and a heat exchange surface 20b, the cooling flow passage 20a is used for circulating a cooling medium, the heat exchange surface 20b is arranged facing the first box wall 101, the cooling component 20 is provided with a first connecting piece 30, and the first connecting piece 30 is detachably connected with the first box wall 101.

The master control box 10 may refer to the box of the master control box 100, and the master control box 100 may refer to a key component in the energy storage device for managing and monitoring the operation and performance of the energy storage device. Taking an electrical energy storage device as an example, the master control box 100 may include a controller, a battery management system, a battery charge and discharge controller, and sensors associated with the energy storage device, a communication device, and a master control box 10 for housing the above components. The main control box 100 is responsible for detecting parameters such as the state, temperature, voltage and the like of the battery, and controlling the charging and discharging process according to the system requirements so as to achieve the optimal management and optimization of the energy storage device. Among them, the controller, the battery management system, and the battery charge/discharge controller relate to a plurality of electronic components, and the cooling unit 20 needs to dissipate heat from one or more of the plurality of electronic components.

The main control box 10 may have a plurality of box walls, and the number of box walls may be different according to the shape of the main control box 10, for example, the main control box 10 may be, but not limited to, a rectangular box, a triangular box, a cylindrical box, etc. Taking a rectangular box as an example, the main control box 10 has a first direction X, a second direction Y and a third direction Z, where the first direction X, the second direction Y and the third direction Z are perpendicular to each other, specifically, the first direction X may be a length direction of the main control box 10, the second direction Y is a width direction of the main control box 10, the third direction Z is a height direction of the main control box 10, one of the plurality of box walls may be denoted as a first box wall 101, and the first box wall 101 may be one of a top box wall, a bottom box wall, a left box wall, a right box wall, a front box wall and a rear box wall.

Cooling component 20 may refer to a component or device for controlling and reducing the temperature of a device, system, or component that may transfer heat from a high temperature region or source of heat to the environment by way of heat transfer, maintaining the device or component within a safe operating temperature range. The cooling component 20 has a cooling flow passage 20a and a heat exchange surface 20b, the cooling flow passage 20a can be filled with flowing cooling medium, and the cooling medium can exchange heat with the electronic components in the main control box 10 when flowing through the heat exchange surface 20b, so that heat of the electronic components is conducted into the cooling medium, and the cooling medium flows out to take away the heat, so that heat of the electronic components in the main control box 10 is reduced.

Wherein the cooling medium may be, but is not limited to, gaseous and liquid media, and the like. Illustratively, the cooling medium may be water, and thus the cooling component 20 may be a water-cooled component.

The cooling component 20 is located in the outside of the main control box body 10, so that the cooling component 20 and the main control box body 10 are conveniently installed and connected, the heat exchange surface 20b faces the first box wall 101, the arrangement can be understood that the heat exchange surface 20b is close to an electronic component in the main control box body 10, for example, the electronic component can be installed on the first box wall 101, or the electronic component is close to the first box wall 101, and heat exchange between the heat exchange surface 20b and the electronic component is facilitated.

The cooling unit 20 may be connected to the first tank wall 101 at the outside of the main control tank 10 by a first connection 30, facilitating the separation of the cooling unit 20 from the main control tank 10. When the main control box 100 is required to be maintained, the main control box body 10 and the cooling component 20 are separated, the main control box body 10 can be taken away independently, and electronic components inside the main control box body 10 are maintained, so that the weight in the maintenance process can be reduced, the working intensity of maintenance personnel can be reduced, and the cheapness of maintenance can be improved.

Compared with the air cooling mode, the cooling component 20 can cool the main control box in a liquid or air cooling mode through the circulation of the cooling medium, so that the main control box has higher heat dissipation efficiency and better heat dissipation effect. For the electronic components in the main control box 10, especially some electronic components with high heat dissipation requirements, the cooling effect of the cooling component 20 is remarkable, so that heat dissipation can be performed in time, and the reliability of the main control box is improved.

For example, the electronic components with higher heat dissipation requirements may be DCDC modules (components with high voltage (low voltage) dc power converted to low voltage (high voltage) dc power), and most of the electronic components have heat dissipation temperatures above 80 degrees, while the DCDC modules have heat dissipation temperatures above 60 degrees, and the heat dissipation requirements are higher. Traditional forced air cooling mode is difficult to satisfy the heat dissipation requirement of DCDC module, and in the master control case 100 of this application, just can satisfy the heat dissipation requirement of DCDC module through cooling part 20, reduces the probability that DCDC module is damaged because of the heat dissipation is untimely.

In the above technical solution, by arranging the main control box 100 to include the main control box body 10 and the cooling component 20, the cooling component 20 has the cooling flow passage 20a and the heat exchange surface 20b, the cooling flow passage 20a is used for circulating the cooling medium, and the cooling component 20 can exchange heat with the electronic components in the main control box body 10 through the circulating cooling medium and the heat exchange surface 20b, so as to achieve the purpose of radiating and cooling the electronic components. The cooling component 20 can rapidly take away the heat of the electronic components through the cooling medium, so that the cooling component has higher cooling efficiency, the heat dissipation efficiency of the electronic components in the main control box 10 can be improved, and the reliability of the main control box 100 can be improved. And the cooling part 20 can be detachably connected with the first box wall 101 through the first connecting piece 30, so that the main control box body 10 and the cooling part 20 form a split structure design, the main control box body 10 and the cooling part 20 can be separated through the first connecting piece 30, the main control box body 10 can be independently maintained, the weight in the maintenance process is reduced, and the main control box 100 is convenient to maintain.

In some embodiments of the present application, as shown in fig. 3, the first tank wall 101 is provided with a through hole 101a, and the orthographic projection of the heat exchange surface 20b on the first tank wall 101 and the orthographic projection of the through hole 101a on the first tank wall 101 are at least partially overlapped.

The orthographic projection of the heat exchange surface 20b on the first tank wall 101 and the orthographic projection of the through hole 101a on the first tank wall 101 are at least partially overlapped, and it is understood that the orthographic projection of the heat exchange surface 20b and the through hole 101a on the first tank wall 101 are overlapped, or the orthographic projection of the heat exchange surface 20b on the first tank wall 101 is located in the orthographic projection of the through hole 101a on the first tank wall 101.

In the above technical solution, since the first wall 101 is provided with the through hole 101a, when the heat exchange surface 20b exchanges heat with the electronic components in the main control box 10, the cooling capacity of the cooling component 20 can pass through the through hole 101a, so that the cooling capacity blocking of the cooling component 20 by the first wall 101 is reduced, the cooling capacity loss is reduced, the cooling capacity of the cooling component 20 can be used for exchanging heat with the electronic components as much as possible, the heat dissipation efficiency of the cooling component 20 to the main control box 100 is improved, and the heat dissipation effect is improved.

In some embodiments of the present application, the orthographic projection of the heat exchange surface 20b on the first tank wall 101 is located within the orthographic projection of the through hole 101a on the first tank wall 101. It will be understood that the orthographic projection area of the through hole 101a on the first wall 101 is larger than the orthographic projection area of the heat exchange surface 20b on the first wall 101, and the heat exchange surface 20b faces the through hole 101a; alternatively, the orthographic projection area of the through hole 101a on the first tank wall 101 is equal to the orthographic projection area of the heat exchange surface 20b on the first tank wall 101, and the heat exchange surface 20b faces the through hole 101a.

In the above technical solution, since the orthographic projection of the heat exchange surface 20b on the first wall 101 is located in the orthographic projection of the through hole 101a on the first wall 101, the first wall 101 can minimize the cold blocking of the heat exchange surface 20b, that is, the contact surface between the heat exchange surface 20b and the first wall 101 is greatly reduced, the cold loss is further reduced, the heat dissipation efficiency of the cooling component 20 on the main control box 100 can be further improved, and the heat dissipation effect is improved.

In some embodiments of the present application, as shown in fig. 1, 3 and 4, the main control box 100 further includes a component arrangement plate 40, and the component arrangement plate 40 is disposed in the main control box body 10 and can exchange heat with the heat exchange surface 20 b.

The component arrangement board 40 is used for arranging electronic components and provides mounting positions for the electronic components. The component arrangement board 40 may be provided on the first wall 101 or may be provided on other walls of the main control box 10.

In the above technical solution, the component arrangement board 40 may be used for arranging one or more electronic components that need to dissipate heat, and may perform a heat conduction function, so as to quickly transfer the cooling capacity of the heat exchange surface 20b to the one or more electronic components, which is beneficial to centralizing the heat dissipation of the one or more electronic components.

In some embodiments of the present application, as shown in fig. 1 to 4, the main control box 100 further includes a housing 50, where the housing 50 covers the component arrangement board 40.

The case 50 may refer to a case member provided with an opening, and the case 50 is covered on the component arrangement board 40 such that a space defined by the both can be used to accommodate an electronic component requiring heat dissipation. Because there may be a plurality of electronic components in the main control box 100, the cooling component 20 may cool and dissipate heat for electronic components with higher heat dissipation requirements, the electronic components with higher heat dissipation requirements may be recorded as target components, and the target components may be separated from other electronic components in the main control box 10 by the housing 50, so as to play a certain role in dust prevention, water prevention and fire prevention, and protect the target components.

In the above technical solution, the casing 50 can separate the electronic components to be cooled by the cooling unit 20 from other electronic components in the main control box 10, and can play a role of protecting the casing 50.

In some embodiments of the present application, as shown in fig. 4, the main control box 100 further includes a second connection member 60, the second connection member 60 being a conductive member and connecting the first box wall 101, the component arrangement plate 40, and the housing 50.

The second connection member 60 may refer to a member for connecting the first tank wall 101, the component placement plate 40, and the housing 50 together, and the second connection member 60 may be, but is not limited to, a bolt, a screw, a pin, or the like. The second connection member 60 may be, for example, a screw that penetrates into screw holes of the component placement plate 40, the case 50, and the first tank wall 101, and fixes the component placement plate 40 and the case 50 to the first tank wall 101 by screwing the fastening nut 601.

In the above technical solution, the second connecting piece 60 not only can play a role in fixing the first wall 101, the component arrangement board 40 and the housing 50, but also can keep the first wall 101, the component arrangement board 40 and the housing 50 in an equipotential state, which is beneficial to eliminating or reducing the electric field variation possibly existing between different components, reducing the probability of damage to the main control box 100, and reducing the risk of personal electric shock and equipment failure.

In some embodiments of the present application, as shown in fig. 1, 3 and 4, a heat conducting member 70 is disposed between the component arrangement plate 40 and the heat exchange surface 20b, and the heat conducting member 70 abuts against the component arrangement plate 40 and the heat exchange surface 20b, wherein the heat conducting member 70 or the cooling member 20 at least partially penetrates through the through hole 101a.

The heat conductive member 70 may refer to a material or component that can be used to conduct heat, and is generally made of a material having a high heat conductive property, such as metal (e.g., copper, aluminum), ceramic, heat conductive plastic, and the like. The heat conductive member 70 may be, but is not limited to, a heat conductive silicone grease, a heat conductive pad, a heat conductive block, and the like.

The heat conduction member 70 can rapidly transfer the cooling capacity of the heat exchange surface 20b to the component arrangement plate 40, thereby improving the heat dissipation efficiency of the electronic components on the component arrangement plate 40. Since the first tank wall 101 is provided with the through hole 101a, the cooling member 20 may be partially penetrated through the through hole 101a, and then the heat exchanging surface 20b transmits the cooling capacity to the component arrangement plate 40 through the heat conductive member 70; alternatively, a portion of the heat conductive member 70 is penetrated through the through hole 101a, and the heat exchanging surface 20b is located outside the through hole 101a and transfers the cooling capacity to the component arrangement plate 40 through the heat conductive member 70.

In the above technical solution, since the cooling component 20 is located at the outer side of the main control box 10, the component arrangement board 40 is located at the inner side of the main control box 10, and the heat conducting member 70 is disposed between the component arrangement board 40 and the heat exchange surface 20b, the component arrangement board 40 and the heat exchange surface 20b can conduct heat transfer through the heat conducting member 70, and the component arrangement board 40 and the cooling component 20 do not need to adjust structures to adapt to the through hole 101a, which is beneficial to reducing the structural complexity of the cooling component 20 and the component arrangement board 40 and reducing the cost.

In some embodiments of the present application, the thermally conductive member 70 is a thermally conductive pad. In this technical solution, one surface of the heat conducting pad is in contact with the component arrangement plate 40, and the other surface is in contact with the heat exchange surface 20b, in this way, the heat conducting pad can have a larger contact surface with the heat exchange surface 20b, and the heat conducting pad also has a larger contact surface with the component arrangement plate 40, so that the heat conducting pad can transfer the cooling capacity of the heat exchange surface 20b to the component arrangement plate 40 to the greatest extent, thereby improving the heat dissipation efficiency of the cooling component 20 to the electronic component.

In some embodiments of the present application, as shown in fig. 1, 3 and 4, the main control box 100 further includes a sealing member 80, the sealing member 80 being provided between the cooling member 20 and the first box wall 101 for sealing the circumferential side of the through hole 101a, the sealing member 80 connecting the cooling member 20 and the first box wall 101.

The seal 80 may refer to a means for preventing liquid, gas, dust or other substances from entering the main control box body 10 from the external environment through the through hole 101a. The sealing member 80 may be ring-shaped disposed around the circumferential direction of the through hole 101a, and the sealing member 80 may be, but is not limited to, a rubber member, a plastic member, a metal member, or other material member, etc.

In the above technical scheme, the sealing member 80 can play a sealing role between the cooling component 20 and the first tank wall 101, and is used for sealing the periphery of the through hole 101a, enhancing the waterproof level of the main control box 10, reducing the probability that substances such as liquid, gas and dust in the external environment enter the main control box 10 from the through hole 101a, affecting the probability of internal electronic components, and being beneficial to improving the safety and reliability of the main control box.

In some embodiments of the present application, the seal 80 is a gasket that is bonded to the first tank wall 101 or the cooling member 20 by a glue layer 801.

It will be appreciated that the gasket can be bonded to the first tank wall 101 by a glue line 801, as shown in fig. 3 and 4, or the gasket can be bonded to the cooling member 20 by a glue line 801. In this technical scheme, when need dismantle the separation with master control case box 10 and cooling unit 20, sealed pad can pass through glue film 801 and connect on one of master control case box 10 and cooling unit 20, can reduce the probability that sealed pad dropped and loses in the dismantlement process. And can also save and assemble the sealing gasket again when connecting the main control box body 10 and the cooling part 20 again, can reduce the assembly step, raise the assembly efficiency. Second, the glue layer 801 can increase the connection strength and connection reliability between the gasket and the main control box 10 or the cooling component 20, and can reduce the probability of seal failure of the seal 80.

In some embodiments of the present application, as shown in fig. 3, the first connecting member 30 is a bolt, the first tank wall 101 is provided with a first bolt hole 101b, the cooling member 20 is provided with a second bolt hole 20c, the bolt is inserted through the first bolt hole 101b and the second bolt hole 20c, and a blind nut 301 is connected to a portion of the bolt located in the main tank body 10.

In the above technical solution, the first tank wall 101 and the cooling member 20 can be detachably connected by bolts, and the connection mode is simple in structure, high in connection reliability, convenient to install and detach, and low in cost. The blind nut 301 and the bolt are in threaded engagement to fix the bolt on the first wall 101, and also to perform a sealing function, so that the probability that liquid, gas, dust and other substances in the external environment enter the main control box body 10 from the first bolt hole 101b and the second bolt hole 20c is reduced, the sealing performance of the main control box body 10 can be improved, and the reliability of the main control box is improved.

In some embodiments of the present application, the blind nut 301 is a blind rivet nut. In this technical scheme, draw and rivet the nut and not only can be with bolt spiro union back with the bolt fastening on master control case box 10, can also rivet simultaneously on first case wall 101 for draw and rivet and form stable structure between nut and the first case wall 101, have higher leakproofness, can further reduce the liquid in the external environment, gaseous and dust get into the probability in the master control case box 10 from first bolt hole 101b, improve the waterproof grade between master control case box 10 and the cooling part 20, be favorable to realizing IP67 grade waterproof.

In some embodiments of the present application, as shown in fig. 3, 4 and 5, the first tank wall 101 has a recess 101c recessed toward the inside of the main control tank 10, and the cooling member 20 has an inlet pipe 201 and an outlet pipe 202 communicating with the cooling flow passage 20a, the inlet pipe 201 and the outlet pipe 202 being at least partially located in a space formed by the recess 101 c.

The inlet pipe 201 and the outlet pipe 202 are used for communication with a cooling medium supply device, which can flow cooling medium into the inlet pipe 201 in the cooling flow passage 20a, and then the cooling medium can flow back from the outlet pipe 202 to the cooling medium supply device again. Since the inlet pipe 201 and the outlet pipe 202 have a certain height, the installation of the main control box body 10 in the main control box 100 is affected, and therefore, by providing the concave portion 101c recessed toward the inner side of the main control box body 10 on the first box wall 101, the space formed by the concave portion 101c can provide the accommodation space of the inlet pipe 201 and the outlet pipe 202, and the installation influence of the inlet pipe 201 and the outlet pipe 202 on the main control box body 10 is reduced.

Wherein the inlet pipe 201 and the outlet pipe 202 may be partially located in the space formed by the recess 101c, and the other portion protrudes out of the space formed by the recess 101 c; alternatively, the inlet pipe 201 and the outlet pipe 202 are all located in the space formed by the recess 101 c.

In the above technical solution, the first wall 101 has the concave portion 101c recessed toward the inner side of the main control box 10, and the concave portion 101c can provide the accommodating space of the inlet pipe 201 and the outlet pipe 202, so as to reduce the installation influence of the inlet pipe 201 and the outlet pipe 202 on the main control box 10 in the main control box 100, and meanwhile, the arrangement of the main control box 10 and the cooling component 20 in the direction perpendicular to the first wall 101 is more compact, the volume of the main control box 100 is reduced, and a larger installation space is provided for other components of the main control box 100.

In some embodiments of the present application, as shown in fig. 1, 2 and 5, the first tank wall 101 is provided with a mount 90, the mount 90 is located outside the recess 101c, the mount 90 has a connection face 90a away from the first tank wall 101, and the nozzles of the inlet pipe 201 and the outlet pipe 202 do not exceed the connection face 90a in a direction perpendicular to the first tank wall 101.

"a direction perpendicular to the first tank wall 101" may refer to the third direction Z in fig. 1, and the mount 90 may refer to a support for connecting the main tank 10 to other components or platforms of the main tank 100. The mounting 90 may be provided with, but is not limited to, one, two, three, etc. on the first tank wall 101.

In the above technical solution, the main control box 10 is mounted on other components or platforms through the mounting base 90, and since the nozzles of the inlet pipe 201 and the outlet pipe 202 do not exceed the connection surface 90a in the direction perpendicular to the first box wall 101, the influence of the inlet pipe 201 and the outlet pipe 202 on the mounting of the main control box 10 is further reduced, and the main control box 10 is convenient to mount or dismount. Second, the mounting seat 90 and the recess 101c can jointly provide the required accommodation height space for the inlet pipe 201 and the outlet pipe 202, so that the space in the main control box 10 can be reduced due to the overlarge recess depth of the recess 101c, and the main control box 10 can have larger space for arranging electronic components.

The main control box 100 provided according to the embodiment of the application comprises a main control box body 10, a water cooling plate assembly (cooling component 20), a sealing ring (sealing element 80), a heat conduction pad (heat conduction element 70), a component arrangement lining plate (component arrangement plate 40), a component upper cover (shell 50), bolts (first connecting elements 30), mortise nuts (blind nuts 301), nuts (fastening nuts 601) and equipotential screws (second connecting elements 60).

The sealing ring is stuck on the sealing surface of the main control box body 10 by using sealing cushion gum.

The water cooling plate assembly is provided with two water cooling nozzles, one of the two water cooling nozzles is an inlet pipe 201, the other water cooling nozzle is an outlet pipe 202, the water cooling plate assembly is fixed on a mortise nut of the main control box body 10 through bolts, and a heat conduction pad is stuck on an aluminum profile of the water cooling plate assembly; the other surface of the heat conduction pad is attached to the lining board for arranging components, the sinking design (concave part 101 c) is adopted at the installation position of the main control box body 10, and the 4-position support bracket design (installation seat 90) is added, so that the protrusion of the water cooling nozzle of the water cooling plate assembly is not higher than the plane of the support bracket, and the arrangement space in the whole main control box 100 can be reduced.

The equipotential screw is riveted on the main control box body 10, and realizes the equipotential functions of the component upper cover, the component arrangement lining plate and the main control box body 10 by nut connection, and simultaneously plays a role in fixing the component upper cover and the component arrangement lining plate.

The bolts on the main control box body 10 are disassembled, so that the water cooling plate assembly can realize the functions of replacing and maintaining the main control box on the basis of not pulling out the water cooling pipe.

According to some embodiments of the present application, embodiments of the present application provide an energy storage device including a master control box 100.

In the above technical scheme, through adopting this master control case 100 can improve the radiating efficiency of the inside electronic components of master control case box 10, improves the reliability of master control case 100, and then improves energy storage device's reliability, is favorable to reducing energy storage device's potential safety hazard, prolongs energy storage device's life. And the main control box 100 can separate the main control box body 10 and the cooling component 20, and can independently maintain the main control box body 10, so that the weight in the maintenance process is reduced, the maintenance of the main control box 100 is facilitated, and the daily maintenance of the energy storage device is facilitated.

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (13)

1. A master control case, its characterized in that, master control case is applied to energy storage device, master control case includes:

the main control box body is provided with a first box wall;

the cooling part is located the outside of master control case box, the cooling part has cooling runner and heat exchange surface, the cooling runner is used for circulating cooling medium, the heat exchange surface is towards first wall sets up, the cooling part is equipped with first connecting piece, first connecting piece with first wall can dismantle and link to each other.

2. The master control pod of claim 1, wherein the first pod wall is provided with a through hole, and wherein an orthographic projection of the heat exchange surface at the first pod wall and an orthographic projection of the through hole at the first pod wall at least partially coincide.

3. The master control pod of claim 2, wherein an orthographic projection of the heat exchange surface on the first pod wall is within an orthographic projection of the through bore on the first pod wall.

4. A master control box according to claim 2 or 3, further comprising a component arrangement plate provided in the master control box body and heat exchangeable with the heat exchanging surface.

5. The master control box of claim 4, further comprising a housing, wherein the housing is covered by the component placement plate.

6. The master control pod of claim 5, further comprising a second connector that is a conductive member and connects the first pod wall, the component placement plate, and the housing.

7. The main control box according to claim 4, wherein a heat conducting member is provided between the component arrangement plate and the heat exchange surface, and the heat conducting member is abutted against the component arrangement plate and the heat exchange surface, and wherein the heat conducting member or the cooling member is at least partially provided through the through hole.

8. The master control box of claim 2, further comprising a seal disposed between the cooling member and the first box wall for sealing a peripheral side of the through hole, the seal connecting the cooling member and the first box wall.

9. The main control box according to claim 1, wherein the first connecting piece is a bolt, the first box wall is provided with a first bolt hole, the cooling component is provided with a second bolt hole, the bolt penetrates through the first bolt hole and the second bolt hole, and a blind nut is connected to a portion of the bolt located in the main control box body.

10. The master control box of claim 9, wherein the blind nut is a blind rivet nut.

11. The master control box of claim 1, wherein the first box wall has a recess recessed inward of the master control box body, and the cooling member has an inlet pipe and an outlet pipe communicating with the cooling flow passage, the inlet pipe and the outlet pipe being at least partially located in a space formed by the recess.

12. The master control pod of claim 11, wherein the first pod wall is provided with a mount located outside of the recess, the mount having a connection face remote from the first pod wall, the inlet and outlet pipe orifices not exceeding the connection face in a direction perpendicular to the first pod wall.

13. An energy storage device comprising a master control box according to any one of claims 1 to 12.