Energy storage high-voltage box and energy storage system

Abstract

The utility model provides an energy storage high-voltage box and an energy storage system, and relates to the technical field of energy storage, and the energy storage high-voltage box comprises a housing, a plurality of loop assemblies, a bus member, and a heat dissipation assembly. A containing cavity is defined by the shell, the input end of the pre-charging device is electrically connected with the control part, and the input end of the relay part is electrically connected with the output end of the pre-charging device. The input end of the confluence piece is electrically connected with the output end of any relay piece, so that each loop assembly is electrically connected with the confluence piece. The heat dissipation assembly is arranged in the containing cavity and located between the control piece and the convergence piece. According to the utility model, the condition that an electronic element is damaged by impact current is avoided, the control pieces of the plurality of loop assemblies converge the current to the confluence piece and then output the current, the control and management of the battery cluster are realized, the temperature uniformity of a heating area is balanced, and the heat dissipation and cooling effects are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the energy storage technical field, specifically, relate to a kind of energy storage high pressure box and energy storage system. BACKGROUND

[0002] The high pressure box is used to manage and control the battery to ensure the safe operation and efficient management of the battery. When the power consumption of the electrical equipment is too large, multiple battery clusters are needed to output power to ensure the normal operation of the electrical equipment. There is interference and obstruction between multiple battery clusters, which is difficult to manage and control. SUMMARY

[0003] The utility model aims at providing a kind of energy storage high pressure box and energy storage system, the control piece of multiple loop components controls current to converge to the converging piece and then output, realizes the closing or opening operation in the process of converging, improves the transmission efficiency of current, balances the temperature uniformity of heating area.

[0004] The first aspect of the utility model provides an energy storage high pressure box, which comprises a shell, a plurality of loop components, a converging piece and a heat dissipation component.

[0005] The shell defines a receiving cavity;

[0006] The plurality of loop components are arranged in the receiving cavity, and the loop component comprises a control piece, a pre-charging device and a relay piece, the input end of the pre-charging device is electrically connected with the control piece, and the input end of the relay piece is electrically connected with the output end of the pre-charging device;

[0007] The converging piece is electrically connected with the output end of any relay piece, so that each loop component is electrically connected with the converging piece;

[0008] The heat dissipation component is arranged in the receiving cavity, and the heat dissipation component is located between the control piece and the converging piece.

[0009] In one possible embodiment of the utility model, the number of loop components is two, and the two loop components are arranged side by side along the first direction.

[0010] In one possible embodiment of the utility model, the converging piece is located between the two loop components.

[0011] In one possible embodiment of the utility model, the loop component further comprises a control switch and a fuse, the fuse is connected with the relay piece, and the control switch is located between the fuse and the relay piece.

[0012] In a possible embodiment of the utility model, the current collector further comprises a connection port, and the connection port is used for connecting an electrical equipment.

[0013] In a possible embodiment of the utility model, the control member, the heat dissipation assembly and the current collector are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction.

[0014] In a possible embodiment of the utility model, the accommodating cavity is a closed structure.

[0015] In a possible embodiment of the utility model, the heat dissipation assembly comprises a plurality of heat dissipation fans, and the blowing direction of the heat dissipation fans is the second direction.

[0016] In a possible embodiment of the utility model, the energy storage high-voltage box further comprises a waterproof air-permeable member, the waterproof air-permeable member is arranged in the shell, and the waterproof air-permeable member is located on the side of the shell close to the heat dissipation fan.

[0017] The second aspect of the utility model provides an energy storage system comprising the energy storage high-voltage box in any one of the above embodiments.

[0018] Compared with the prior art, the energy storage high-voltage box and the energy storage system have the following beneficial effects: the loop assembly is installed in the accommodating cavity of the shell, the shell plays a role in sealing and protecting the loop assembly, the circuit components in the energy storage high-voltage box are pre-charged by the pre-charging device, the voltage is stable, the damage of the impact current to the electronic components is avoided, the control members of the plurality of loop assemblies respectively converge the current to the current collector for output, the relay controls the switching control of the energy storage high-voltage box, the closing or opening operation in the current convergence process is realized, the control and management of the battery cluster are facilitated, the local heating or temperature rise in the current convergence process of the plurality of loop assemblies is facilitated, the heat dissipation assembly forms an air flow in the accommodating cavity of the shell, so as to facilitate the heat dissipation and cooling of the accommodating cavity, the temperature uniformity of the heating areas at the positions of the control members, the current collector and the like is balanced, and the heat dissipation and cooling effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The three-dimensional structure diagram of the energy storage high-voltage box provided in some embodiments of the utility model Figure 1;

[0021] Figure 2 An internal structure diagram of the energy storage high-voltage box provided in some embodiments of the present application Figure 1 ;

[0022] Figure 3 An internal structure diagram of the energy storage high-voltage box provided in some embodiments of the present application Figure 2 ;

[0023] Figure 4 A three-dimensional structure diagram of the energy storage high-voltage box provided in some embodiments of the present application Figure 2 .

[0024] Main component symbol explanation

[0025] 100-energy storage high-voltage box; 110-housing; 111-receiving cavity; 120-circuit assembly; 121-control member; 122-precharging device; 123-relay device; 124-connection port; 125-control switch; 126-fuse device; 130-busbar; 140-heat dissipation assembly; 141-heat dissipation fan; 150-waterproof air permeable member; 160-mounting assembly; 161-mounting member; 162-limiting member; 170-handle member; X-first direction; Y-second direction; Z-third direction. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0028] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the utility model, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0030] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "connect" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0033] Example 1

[0034] Reference Figure 1 And Figure 2 As shown in the drawings, the embodiments of the present application provide an energy storage high-voltage box 100, which comprises a shell 110, a plurality of loop assemblies 120, a current collecting piece 130 and a heat dissipation assembly 140.

[0035] Specifically, in combination with Figure 2The shell 110 defines a containing cavity 111, and a plurality of the circuit assemblies 120 are arranged in the containing cavity 111. The circuit assembly 120 comprises a control 121, a pre-charging device 122, and a relay device 123. The input end of the pre-charging device 122 is electrically connected with the control 121, and the input end of the relay device 123 is electrically connected with the output end of the pre-charging device 122. One circuit assembly 120 is connected with at least one battery cluster, and the circuit assembly 120 controls and manages the battery cluster. The input end of the current collecting device 130 is electrically connected with the output end of any one of the relay devices 123, so that each circuit assembly 120 is electrically connected with the current collecting device 130. The heat dissipation assembly 140 is arranged in the containing cavity 111, and the heat dissipation assembly 140 is located between the control 121 and the current collecting device 130. The circuit assembly 120 is arranged in the containing cavity 111 of the shell 110. The shell 110 plays a role of sealing and protection for the circuit assembly 120. The control 121 is used for pre-charging the circuit components in the energy storage high-voltage box 100 through the pre-charging device 122, so as to ensure the voltage to be stable and avoid the damage of the impact current to the electronic components. The current of the controls 121 of the plurality of circuit assemblies 120 is collected to the current collecting device 130 and then output. The relay device 123 controls the switching control of the energy storage high-voltage box 100, the closing or opening operation in the current collecting process, and the control and management of the battery cluster, so as to realize the management and control of the energy storage high-voltage box 100. The heat dissipation assembly 140 forms air flow in the containing cavity 111 of the shell 110, so as to facilitate the heat dissipation and cooling of the containing cavity 111, and balance the temperature uniformity of the heating areas at the positions of the control 121, the current collecting device 130, etc.

[0036] In addition, the energy storage high-voltage box 100 is used for collecting and monitoring the state parameters of the battery cluster, and can control and protect the circuit of the battery cluster, so as to realize the information interaction between the energy storage high-voltage box 100 and the battery management system (BMS), the power conversion system (PCS), etc., and then provide information collection and data support for the energy storage system.

[0037] It can be understood that the pre-charging device 122 can be a pre-charging capacitor. The pre-charging capacitor pre-charges the circuit assembly 120 of the energy storage high-voltage box 100, ensures the voltage to be stable, avoids the damage of the impact current to the sensitive electronic components, prolongs the service life of the energy storage high-voltage box 100, and improves the measurement accuracy of the energy storage high-voltage box 100. The relay device 123 can be a relay. The relay is used for the switching control of the circuit of the energy storage high-voltage box 100, controls the power supply state of the user end, realizes the remote closing or opening operation, and can automatically cut off the circuit when the overloading or fault of the energy storage high-voltage box 100 is detected.

[0038] In addition, any control member is connected to and controls at least one battery cluster, the battery cluster includes a plurality of batteries and is connected to each other to form an energy storage unit, the energy storage capacity is improved, the energy storage demand is met, and the batteries can be lithium ion secondary batteries, lithium ion primary batteries, lithium-sulfur batteries, sodium lithium ion batteries, sodium ion batteries, lithium metal batteries, or magnesium ion batteries, etc. The embodiments of the present application are not limited thereto.

[0039] In combination Figures 1 to 4 As shown in the drawings, the energy storage high-voltage box 100 has a first direction X, a second direction Y, and a third direction Z, wherein the first direction X, the second direction Y, and the third direction Z are perpendicular to each other. For example, the first direction X is in the width direction of the energy storage high-voltage box 100, the second direction Y is in the length direction of the energy storage high-voltage box 100, and the third direction Z is in the height direction of the energy storage high-voltage box 100. It can be understood that the above definition is only for the purpose of understanding the relative position relationship of each part in the energy storage high-voltage box 100, and should not be understood as a limitation of the present application.

[0040] In one embodiment, optionally, in combination Figure 2 And Figure 3 As shown in the drawings, the number of the loop assemblies 120 is two, and the two loop assemblies 120 are arranged side by side along the first direction X, that is, the two loop assemblies 120 are arranged side by side along the width direction of the energy storage high-voltage box 100, realizing the assembly and integration of the two loop assemblies 120, and having better space utilization efficiency.

[0041] Optionally, as shown in the drawings, Figure 3 The current of the two loop assemblies 120 is converged and collected through the current collector 130, so as to be output through the current collector 130, and the two loop assemblies 120 are located on opposite sides of the current collector 130 along the second direction Y.

[0042] In one embodiment, optionally, as shown in the drawings, Figure 3 The current collector 130 further includes a connection port 124, the connection port 124 is used for connecting the electric equipment, the current collector 130 can supply power to the electric equipment through the connection port 124, realize current transmission, and control and manage the current through the energy storage high-voltage box 100.

[0043] In the embodiment, the electric equipment can be a vehicle, a mobile phone, a portable device, a notebook computer, a ship, a spacecraft, and an electric tool, etc. The spacecraft includes an airplane, a rocket, a space shuttle, etc. The electric tool includes a metal cutting electric tool, a grinding electric tool, an assembly electric tool, and a railway electric tool, for example, a power drill, a power grinder, a power wrench, a power screwdriver, an electric hammer, an impact drill, a concrete vibrator, and an electric planer, etc.

[0044] Optionally, combined Figure 3 and Figure 4 As shown, the accommodating cavity 111 is a closed structure. The closed structure of the accommodating cavity 111 enables the energy storage high-voltage box 100 to have better sealing performance, reduces the situation where water enters the energy storage high-voltage box 100 during use, ensures the stability of each circuit component of the energy storage high-voltage box 100, and improves the moisture-proof and waterproof effect.

[0045] In summary, the circuit assembly 120 of the energy storage high-voltage box 100 is installed in the accommodating cavity 111 of the shell 110. The shell 110 seals and protects the circuit assembly 120. The control component 121 is used to pre-charge the circuit components in the energy storage high-voltage box 100 through the pre-charging device 122 to ensure stable voltage and avoid damage to electronic components caused by impact current. The control components 121 of multiple circuit components 120 converge the current to the convergence component 130 and then output it. The relay component 123 controls the switching control of the energy storage high-voltage box 100 to realize the closing or opening operation during the convergence process. Multiple circuit components 120 are prone to local heating or temperature rise during the convergence process. The heat dissipation component 140 forms airflow in the accommodating cavity 111 of the shell 110 to facilitate heat dissipation and cooling in the accommodating cavity 111, balance the temperature uniformity of the heating areas at positions such as the control component 121 and the convergence component 130, and improve the heat dissipation and cooling effect.

[0046] Example 2

[0047] refer to Figures 1 to 3 As shown, an embodiment of the present application provides another energy storage high-voltage box 100 , which includes a housing 110 , a plurality of loop assemblies 120 , a busbar 130 and a heat dissipation assembly 140 .

[0048] Specifically, combined Figure 2 The housing 110 defines a housing cavity 111, and the plurality of circuit assemblies 120 are all disposed in the housing cavity 111. The circuit assembly 120 includes a control component 121, a pre-filling device 122, and a relay 123. The input end of the pre-filling device 122 is electrically connected to the control component 121, and the input end of the relay 123 is electrically connected to the output end of the pre-filling device 122. The circuit assembly 120 is installed in the housing cavity 111 of the housing 110. The housing 110 seals and protects the circuit assembly 120. The control component 121 is used to pre-charge the circuit components in the energy storage high-voltage box 100 through the pre-filling device 122 to ensure a stable voltage and avoid damage to electronic components caused by impact current.

[0049] In the embodiment of the present application, the input end of the current collecting member 130 is electrically connected with the output end of any of the relays 123, so that each of the loop assemblies 120 is electrically connected with the current collecting member 130; the heat dissipation assembly 140 is arranged in the accommodating cavity 111, and the heat dissipation assembly 140 is located between the control member 121 and the current collecting member 130, so that the control members 121 of the plurality of loop assemblies 120 respectively converge the current to the current collecting member 130 and then output, the relays 123 control the switching control of the energy storage high-voltage box 100, the closing or opening operation in the current converging process, and the management and control of the energy storage high-voltage box 100 are realized. The plurality of loop assemblies 120 are prone to local heating or temperature rise during the current converging process, and the heat dissipation assembly 140 forms an air flow in the accommodating cavity 111 of the shell 110, so as to facilitate heat dissipation and cooling in the accommodating cavity 111, and balance the temperature uniformity of the heating areas at the positions of the control member 121, the current collecting member 130 and the like.

[0050] In combination Figures 1 to 4 As shown in the drawings, the energy storage high-voltage box 100 has a first direction X, a second direction Y and a third direction Z, wherein the first direction X, the second direction Y and the third direction Z are arranged perpendicular to each other. For example, the first direction X is in the width direction of the energy storage high-voltage box 100, the second direction Y is in the length direction of the energy storage high-voltage box 100, and the third direction Z is in the height direction of the energy storage high-voltage box 100.

[0051] In one embodiment, optionally, in combination Figure 2 and Figure 3 As shown in the drawings, the number of loop assemblies 120 is two, and the two loop assemblies 120 are arranged side by side along the first direction X, that is, the two loop assemblies 120 are arranged side by side along the width direction of the energy storage high-voltage box 100, so as to realize the assembly and integration of the two loop assemblies 120, and have better space utilization efficiency. For example, the two loop assemblies 120 are arranged at intervals, so that the two loop assemblies 120 operate independently of each other.

[0052] Optionally, as shown in the drawings, Figure 3 The current collecting member 130 is located between the two loop assemblies 120, and the current collecting member 130 converges and collects the current of the two loop assemblies 120, so as to be output through the current collecting member 130, and the two loop assemblies 120 are located on opposite sides of the current collecting member 130 along the second direction Y. For example, the current collecting member 130 can be a busbar, which is a conductive strip or rod for transmitting current and is used for collecting and distributing electric energy.

[0053] In one embodiment, optionally, in combination Figure 2 and Figure 3As shown, the circuit assembly 120 further comprises a control switch 125 and a fuse 126, the fuse 126 is connected with the relay 123, the control switch 125 is located between the fuse 126 and the relay 123, the control switch 125 is used for switching the circuit and the power supply, and the fuse 126 is a current protection device which is realized when the current exceeds a predetermined value. Exemplarily, the control switch 125 can be a disconnecting switch, which is a switching device used for isolating the circuit, and ensures the safe isolation of the circuit when the circuit needs to be disconnected, that is, to ensure that the circuit is obviously disconnected from the power supply, and to prevent accidental power supply. The fuse 126 can be a fuse, which is an overcurrent protection device, when the current in the circuit exceeds a predetermined value, the fuse 126 will be fused due to overheating, thereby cutting off the circuit to prevent damage to electrical equipment or fire.

[0054] In one embodiment, optionally, as Figure 3 As shown, the busbar 130 further comprises a connection port 124, the connection port 124 is used for connecting the electrical equipment, and the busbar 130 can supply power to the electrical equipment through the connection port 124 to realize current transmission, and the control and management of the current are realized through the energy storage high-voltage box 100.

[0055] Optionally, as shown in Figure 2 As shown, the control member 121, the heat dissipation assembly 140 and the busbar 130 are sequentially arranged along the second direction Y, and the second direction Y is perpendicular to the first direction X, that is, the heat dissipation assembly 140 is arranged between the control member 121 and the busbar 130, and the control member 121, the heat dissipation assembly 140 and the busbar 130 are sequentially arranged along the length direction of the energy storage high-voltage box 100, so that the heat dissipation fan 141 of the heat dissipation assembly 140 can form air flow to conduct temperature, improve the uniformity of temperature conduction, avoid the case that local temperature is too high to cause component damage, and further improve the heat dissipation effect.

[0056] On the basis of any one of the above embodiments, optionally, as shown in Figure 3 and Figure 4 As shown, the accommodating cavity 111 is a closed structure, and the closed structure of the accommodating cavity 111 makes the energy storage high-voltage box 100 have better sealing performance, reduces the case that water enters the energy storage high-voltage box 100 during use, ensures the stability of the circuit elements of the energy storage high-voltage box 100, and improves the sealing and waterproof effect.

[0057] On the basis of any one of the above embodiments, optionally, as Figure 2As shown, the heat dissipation assembly 140 includes a plurality of heat dissipation fans 141, and the blowing direction of the heat dissipation fans 141 is the second direction Y, and the blowing direction of the heat dissipation fans 141 is towards the length direction of the energy storage high-pressure tank 100. Of course, the number of heat dissipation fans 141 of the heat dissipation assembly 140 can also be one, and the number of heat dissipation fans 141 is set according to the space size of the containing cavity 111.

[0058] Optionally, referring to Figure 4 As shown, the energy storage high-pressure tank 100 further includes a waterproof air permeable piece 150, the waterproof air permeable piece 150 is provided in the shell 110, and the waterproof air permeable piece 150 is located on the side of the shell 110 close to the heat dissipation fan 141. On the one hand, the waterproof air permeable piece 150 has waterproof sealing performance, which reduces the influence of water vapor condensation and dew condensation on the product performance of the energy storage high-pressure tank 100, and on the other hand, the waterproof air permeable piece 150 can make the gas pass and circulate freely, so that the air pressure of the energy storage high-pressure tank 100 is consistent with the outside world, and the heat in the energy storage high-pressure tank 100 is beneficial to dissipate, realizing the balance of waterproof sealing effect and heat dissipation cooling effect. Exemplarily, the waterproof air permeable piece 150 is a waterproof air permeable valve.

[0059] In one embodiment, optionally, as Figure 1 and Figure 4 As shown, the energy storage high-pressure tank 100 further includes a mounting assembly 160, the mounting assembly 160 includes a mounting piece 161 and a limiting piece 162, the mounting piece 161 and the limiting piece 162 are respectively arranged at opposite ends of the shell 110 along the second direction Y, the mounting piece 161 can be installed and fixed to the position of the shell 110 through mounting bolts, and the limiting piece 162 is used to abut with other equipment or wall to increase the stability of the energy storage high-pressure tank 100, prevent the energy storage high-pressure tank 100 from moving or mispositioning during use, and affect normal use.

[0060] In one embodiment, optionally, referring to Figure 1 and Figure 4 As shown, the energy storage high-pressure tank 100 further includes a plurality of handle pieces 170, and the plurality of handle pieces 170 are respectively arranged on opposite sides of the shell 110 along the second direction Y, and the plurality of handle pieces 170 are arranged to facilitate the movement and carrying of the energy storage high-pressure tank 100, and have a better technical effect. Further, the handle piece 170 and the waterproof air permeable valve are arranged side by side along the third direction Z.

[0061] Embodiment 3

[0062] The embodiment of the utility model further provides a kind of energy storage system, energy storage system includes battery cluster, still include the energy storage high pressure box 100 in embodiment 1 or embodiment 2, energy storage high pressure box 100 is connected battery cluster and controls and manages battery cluster, energy storage system containing energy storage high pressure box 100 has all beneficial effects of energy storage high pressure box 100, here will not be explained in detail.

[0063] In all examples shown and described herein, any specific values should be interpreted as merely exemplary and not as a limitation, and thus, other examples of the example embodiments can have different values.

[0064] The above-described embodiments only express several implementation manners of the utility model, and the description is relatively specific and detailed, but it should not be understood as the limitation of the scope of the utility model. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. An energy storage high voltage tank, characterized in that, The application relates to a high-voltage energy storage box. The high-voltage energy storage box comprises a shell, a plurality of loop assemblies, a current collector and a heat dissipation assembly. The plurality of loop assemblies are arranged in the accommodating cavity, and each of the loop assemblies comprises a control element, a pre-charging element and a relay element. The input end of the pre-charging element is electrically connected with the control element, and the input end of the relay element is electrically connected with the output end of the pre-charging element. The input end of the current collector is electrically connected with the output end of any one of the relay elements, so that each of the loop assemblies is electrically connected with the current collector.

2. The energy storage high voltage tank of claim 1, wherein, The heat dissipation assembly is arranged in the accommodating cavity and is located between the control element and the current collector.

3. The energy storage high voltage tank of claim 2, wherein, The number of the loop assemblies is two, and the two loop assemblies are arranged side by side along a first direction.

4. The energy storage high pressure tank of claim 1, wherein, The current collector is located between the two loop assemblies.

5. The energy storage high pressure tank of claim 1, wherein, The loop assembly further comprises a control switch and a fuse element, the fuse element is connected with the relay element, and the control switch is located between the fuse element and the relay element.

6. The energy storage high pressure tank of claim 1, wherein, The current collector further comprises a connection port for connecting an electric device.

7. The energy storage high voltage tank according to any one of claims 1 to 6, characterized in that, The control element, the heat dissipation assembly and the current collector are sequentially arranged along a second direction, and the second direction is perpendicular to the first direction.

8. The energy storage high voltage tank of any one of claims 1 to 6, wherein, The accommodating cavity is in a closed structure.

9. The energy storage high pressure tank of claim 8, wherein, The heat dissipation assembly comprises a plurality of heat dissipation fans, and the blowing direction of the heat dissipation fans is the second direction.

10. An energy storage system characterized by, The high-voltage energy storage box further comprises a waterproof and breathable element, the waterproof and breathable element is arranged in the shell, and the waterproof and breathable element is located on the side of the shell close to the heat dissipation fans. The high-voltage energy storage box comprises the energy storage high-voltage box in any one of claims 1 to 9.

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