CN222354959U - Capacitor connection structure, energy storage device and vehicle - Google Patents

Abstract

The embodiment of the application provides a capacitor connecting structure, an energy storage device and a vehicle, wherein the capacitor connecting structure comprises a shell component, a conductive copper bar and at least one damping piece, wherein an accommodating space is formed in the shell component, the accommodating space is used for accommodating a capacitor, the conductive copper bar is arranged in the shell component and is used for forming detachable connection with the capacitor, and the damping piece is arranged between the shell component and the capacitor, so that the detachable connection of the capacitor and the capacitor connecting structure can be realized, and the capacitor can be maintained and replaced conveniently. And, the design of the damping piece between casing subassembly and the condenser also can cushion external impact to realize the protection to the condenser.

Description

Capacitor connection structure, energy storage device and vehicle

Technical Field

The application belongs to the technical field of automobile accessories, and particularly relates to a capacitor connecting structure, an energy storage device and a vehicle.

Background

With the deep development of environmental protection concepts and new energy technologies, an automobile capacitor is used as a novel energy storage element, and is becoming an indispensable key component in the fields of hybrid electric vehicles and electric vehicles due to the characteristics of rapid charge and discharge, long cycle life and the like. The automobile capacitor not only can effectively relieve the power pressure of the battery pack and improve the endurance of the whole automobile, but also can provide strong power support in the processes of starting, accelerating, climbing and the like of the automobile, so that the driving experience can be improved.

At present, a common installation mode of the automobile capacitor is to weld a plurality of groups of capacitors into a whole through welding. Although this mounting has a certain stability, when one of the capacitors is damaged, the welded integral structure makes the disassembly and replacement of the individual capacitors extremely difficult, and the integral replacement also results in an increase in maintenance cost.

Disclosure of utility model

It is an object of an embodiment of the present application to provide a capacitor connection structure, an energy storage device and a vehicle.

According to a first aspect of an embodiment of the present application, there is provided a capacitor connection structure including:

The shell assembly is internally provided with an accommodating space, the accommodating space is used for accommodating the capacitor, the conductive copper bar is arranged in the shell assembly and is used for being detachably connected with the capacitor, and the damping part is arranged between the shell assembly and the capacitor.

Optionally, the capacitor comprises two conductive copper bars, wherein a connecting hole is formed in each conductive copper bar, one conductive copper bar is used for forming detachable connection with the positive electrode of the capacitor, and the other conductive copper bar is used for forming detachable connection with the negative electrode of the capacitor.

Optionally, the connection hole is a threaded hole, and the connection hole can form threaded connection with the positive electrode and the negative electrode of the capacitor.

Optionally, a plurality of the shock absorbing members are included, and at least one of between an inner wall of the case assembly and a first side of the capacitor, between an inner wall of the case assembly and a second side of the capacitor, and between an inner wall of the case assembly and a third side of the capacitor is provided with the shock absorbing members, wherein the first side, the second side, and the third side are adjacent three sides of the capacitor.

Optionally, the device further comprises an insulating shell, wherein the insulating shell is arranged in the shell assembly, the accommodating space is formed in the insulating shell, and the shock absorbing piece is arranged between the shell assembly and the insulating shell and/or between the shell assembly and the conductive copper bar.

Optionally, the capacitor further comprises an insulating plate, and the insulating plate is arranged on one side, far away from the capacitor, of the conductive copper bar.

Optionally, the insulating plate further comprises a first sealing element, wherein the first sealing element is arranged in the insulating shell and is used for sealing the insulating plate and the insulating shell.

Optionally, the damping piece includes first damping piece and second damping piece, the casing subassembly with press from both sides between the conductive copper bar be equipped with first damping piece, the casing subassembly the lateral wall with press from both sides between the lateral wall of insulating shell be equipped with the second damping piece.

Optionally, the first shock absorbing member comprises a shock absorbing spring and/or a shock absorbing sleeve, and the second shock absorbing member comprises a shock absorbing spring and/or a shock absorbing sleeve.

Optionally, the number of the first shock absorbing members and the number of the second shock absorbing members are respectively plural, and the plural first shock absorbing members and the plural second shock absorbing members are respectively and uniformly arranged.

Optionally, an air inlet and an air outlet are formed in the shell assembly, and the air inlet and the air outlet are respectively communicated with the accommodating space.

Optionally, the housing assembly includes a first housing and a second housing, the first housing and the second housing enclose the accommodating space, one of the air inlet and the air outlet is located on the first housing, and the other of the air inlet and the air outlet is located on the second housing.

Optionally, the housing assembly further comprises a second seal disposed between the first housing and the second housing.

According to a second aspect of an embodiment of the present application, there is provided an energy storage device, including a capacitor and the capacitor connection structure of the first aspect, the capacitor being disposed in the accommodating space.

According to a third aspect of embodiments of the present application, there is provided a vehicle comprising the energy storage device of the second aspect or the capacitor connection structure of the first aspect.

The application has the technical effects that:

The embodiment of the application provides a capacitor connecting structure, which comprises a shell component, a conductive copper bar and at least one damping piece, wherein an accommodating space is formed in the shell component, the accommodating space is used for arranging a capacitor, the conductive copper bar is arranged in the shell component and is used for forming detachable connection with the capacitor, and the damping piece is arranged between the shell component and the capacitor, so that the detachable connection of the capacitor and the capacitor connecting structure can be realized, and the capacitor can be maintained and replaced conveniently. And, the design of the damping piece between casing subassembly and the condenser also can cushion external impact to realize the protection to the condenser.

Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic diagram of a capacitor connection structure according to an embodiment of the present application;

fig. 2 is a schematic view of a capacitor connection structure according to an embodiment of the present application with a second housing removed;

FIG. 3 is a side view of a capacitor connection structure according to an embodiment of the present application with a housing assembly removed;

fig. 4 is a cross-sectional view of a capacitor connection structure according to an embodiment of the present application;

FIG. 5 is an exploded view of a capacitor connection structure according to an embodiment of the present application;

FIG. 6 is another exploded view of a capacitor connection structure according to an embodiment of the present application;

FIG. 7 is a schematic diagram of a capacitor according to an embodiment of the present application;

Fig. 8 is a schematic diagram of a conductive copper bar according to an embodiment of the present application.

Reference numerals illustrate:

001. A capacitor;

1. The shell comprises a shell component, 11, a first shell, 111, an air outlet, 12, a second shell, 121, an air inlet, 13, a second sealing element, 2, a conductive copper bar, 21, a connecting hole, 3, a damping element, 31, a first damping element, 32, a second damping element, 4, an insulating shell, 5, an insulating plate and 6, and a first sealing element.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "height", "thickness", "upper", "lower", "front", "middle", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Embodiments of the present application provide a capacitor connection structure for mounting and securing a capacitor 001, which is commonly used in electric vehicles.

Referring to fig. 1 to 8, the capacitor connection structure includes:

The shell assembly 1, the conductive copper bar 2 and at least one shock absorber 3, accommodation space is arranged in the shell assembly 1, the accommodation space is used for arranging a capacitor 001, the conductive copper bar 2 is arranged in the shell assembly 1, the conductive copper bar 2 is used for forming detachable connection with the capacitor 001, and the shock absorber 3 is arranged between the shell assembly 1 and the capacitor 001.

As shown in fig. 1 and 2, the housing assembly 1 may be internally provided with an accommodating groove to form an accommodating space, and the capacitor 001 can be accommodated and fixed in the accommodating space. For example, a plurality of accommodating grooves may be formed in the case assembly 1, so that a plurality of capacitors 001 can be accommodated and fixed.

As shown in fig. 4 to 6, the conductive copper bar 2 is detachably connected with the capacitor 001, so that the capacitor 001 can be conveniently and rapidly installed and replaced, and the flexibility and maintainability of the overall capacitor connection structure can be improved. This design allows for quick and convenient operation when a single capacitor 001 needs to be serviced or replaced, reducing maintenance time and costs.

Specifically, the conductive copper bar 2 and the capacitor 001 form detachable connection, so that the conductive copper bar 2 and the anode and the cathode of the capacitor 001 form detachable connection, and the realization of the electrical connection of the capacitor 001 and the conductive copper bar 2 is also facilitated. Thereby, a reliable connection between the capacitor 001 and the external circuit can be ensured, which helps to ensure a stable operation of the electrical system of the energy storage device to which the capacitor connection structure is applied, and also to improve the reliability of the electrical system of the energy storage device to which the capacitor connection structure is applied.

The conductive copper bar 2 may be provided with a threaded hole, the positive electrode and the negative electrode of the capacitor 001 are provided with external threads matched with the threaded hole, so that the conductive copper bar 2 is in threaded fit with the positive electrode and the negative electrode of the capacitor 001, or the conductive copper bar 2 may be provided with a groove, and the positive electrode and the negative electrode of the capacitor 001 are provided with protrusions matched with the groove, so that the conductive copper bar 2 is in clamping fit with the positive electrode and the negative electrode of the capacitor 001.

In addition, the vibration absorbing piece 3 is arranged between the shell component 1 and the capacitor 001, so that the vibration amplitude of the capacitor 001 caused by external environment change (such as vibration, impact and the like) can be effectively reduced, the internal structure of the capacitor 001 can be further protected, the risk of performance attenuation or damage of the capacitor 001 caused by vibration is reduced, and the reliability and the stability of the capacitor connecting structure are also improved. According to the actual arrangement requirement, the damping piece 3 can be directly clamped between the shell assembly 1 and the capacitor 001, and the damping piece 3 can be indirectly clamped between the shell assembly 1 and the capacitor 001, so that the damping effect of the damping piece 3 can be achieved.

Optionally, the capacitor comprises two conductive copper bars 2, wherein a connecting hole 21 is formed in each conductive copper bar 2, one conductive copper bar 2 is used for forming detachable connection with the positive electrode of the capacitor 001, and the other conductive copper bar 2 is used for forming detachable connection with the negative electrode of the capacitor 001.

As shown in fig. 4 to 6, two conductive copper bars 2 may be disposed, one conductive copper bar 2 forms a detachable connection with the positive electrode of the capacitor 001, and the other conductive copper bar 2 forms a detachable connection with the negative electrode of the capacitor 001, so that the detachable connection of the capacitor 001 and the capacitor connection structure can be realized, the maintenance and replacement of a single or multiple capacitors 001 can be facilitated, and the maintenance cost is reduced. The design also increases the flexibility of the capacitor connection structure, improves maintainability, and reduces maintenance cost and time.

As shown in fig. 4 to 6 and 8, the conductive copper bar 2 may be provided with a connection hole 21, and the connection hole 21 may be detachably connected to the positive electrode and the negative electrode of the capacitor 001. For example, the connection hole 21 may be provided as a threaded hole, and external threads matching the threaded hole are formed on the positive electrode and the negative electrode of the capacitor 001, so that the conductive copper bar 2 and the positive electrode and the negative electrode of the capacitor 001 can form threaded fit, or the connection hole 21 may be provided as a smooth through hole, and protrusions matching the smooth through hole are formed on the positive electrode and the negative electrode of the capacitor 001, so that the conductive copper bar 2 and the positive electrode and the negative electrode of the capacitor 001 can form clamping fit.

Alternatively, the connection hole 21 is a screw hole, and the connection hole 21 can be screwed with the positive and negative electrodes of the capacitor 001.

As shown in fig. 7 and 8, the connection hole 21 may be provided as a threaded hole, and external threads adapted to the threaded hole are formed on the positive electrode and the negative electrode of the capacitor 001, so that the conductive copper bar 2 and the positive electrode and the negative electrode of the capacitor 001 can form threaded fit, thereby ensuring the connection reliability and stability of the capacitor 001 and the capacitor connection structure. The contact resistance between the conductive copper bar 2 and the capacitor 001 can be reduced, and the efficiency of current transmission is improved.

Wherein, can set up the material of condenser 001 electrode and the material of electrically conductive copper bar 2 and be oxygen-free copper, can improve its conductive properties, also can effectively reduce the internal resistance of product during operation, reduce calorific capacity. The conductive copper bar 2 is designed to be of a planar porous structure, has good heat dissipation, and is simple to process and good in economical efficiency.

Optionally, a plurality of the shock absorbing members 3 are included, and at least one of between the inner wall of the case assembly 1 and a first side of the capacitor 001, between the inner wall of the case assembly 1 and a second side of the capacitor 001, and between the inner wall of the case assembly 1 and a third side of the capacitor 001 is provided with the shock absorbing members 3, wherein the first side, the second side, and the third side are adjacent three sides of the capacitor 001.

Specifically, the first side, the second side, and the third side are adjacent three sides of the capacitor 001, that is, the length side, the width side, and the height side of the capacitor 001. As shown in fig. 2 to 6, the shock absorbing member 3 may be disposed between the inner wall of the housing assembly 1 and any one side of the capacitor 001, the shock absorbing member 3 may be disposed between the inner wall of the housing assembly 1 and any two adjacent sides of the capacitor 001, and the shock absorbing member 3 may be disposed between the inner wall of the housing assembly 1 and any three adjacent sides of the capacitor 001, so that different buffering and shock absorbing requirements can be satisfied.

By providing the damper 3 at a plurality of positions between the capacitor 001 and the inner wall of the case assembly 1, the capacitor 001 can be damped and protected in all directions, and the internal structure and performance of the capacitor 001 can be protected to the maximum extent. And, the distribution arrangement of a plurality of shock attenuation pieces 3 also can disperse and absorb vibration energy more effectively, further improves its buffering shock attenuation effect to can reduce the risk of condenser 001 because of the damage that vibration arouses, prolonged condenser 001's life.

In addition, according to the vibration environment of specific application, the position and the quantity of the damping parts 3 can be adjusted, so that the capacitor connecting structure can be better adapted to different vibration environments, and the stable operation of the capacitor 001 is ensured.

Optionally, the insulating shell 4 is further included, the insulating shell 4 is disposed in the housing assembly 1, the accommodating space is formed in the insulating shell 4, and the shock absorbing member 3 is disposed between the housing assembly 1 and the insulating shell 4 and/or between the housing assembly 1 and the conductive copper bar 2.

As shown in fig. 2 to 6, the insulating case 4 is used to accommodate and mount a single or a plurality of capacitors 001, can facilitate the mounting and dismounting of the capacitors 001, and protects the capacitors 001 inside. The insulating case 4 is provided to provide a stable working environment for the capacitor 001, to reduce direct contact between the capacitor 001 and an external environment, and to help reduce performance fluctuation of the capacitor 001 due to external factors (such as temperature, humidity change, etc.), thereby improving stability of an energy storage device using the capacitor connection structure. In addition, the capacitor 001 is mounted in the insulating case 4, and the capacitor 001 and the external conductive portion can be isolated, so that the electrical safety of the energy storage device to which the capacitor connection structure is applied can be improved.

And, can set up damping member 3 between the lateral wall of casing subassembly 1 and the lateral wall of insulating shell 4, also can set up damping member 3 between the roof lower surface (or diapire upper surface) of casing subassembly 1 and electrically conductive copper bar 2, can also set up damping member 3 between the lateral wall of casing subassembly 1 and the lateral wall of insulating shell 4, and set up damping member 3 between the roof lower surface (or diapire upper surface) of casing subassembly 1 and electrically conductive copper bar 2, can be through the adjustment of damping member 3 arrangement position, the corresponding vibration condition that is suitable for different directions, and then realize the effect of protection internal capacitor 001.

Optionally, an insulating board 5 is further included, and the insulating board 5 is disposed on a side of the conductive copper bar 2 away from the capacitor 001.

As shown in fig. 2 to 6, the arrangement of the insulating plate 5 can isolate the conductive copper bar 2 from direct contact with the external environment, and prevent the risk of electrical short circuit or leakage caused by accidental touch or other external factors, so as to improve the electrical safety performance of the capacitor connection structure. Moreover, by arranging the insulating plate 5 on the conductive copper bar 2, the influence of electromagnetic interference on the capacitor 001 can be effectively reduced, and the normal operation of the capacitor 001 is ensured.

In addition, the arrangement of the insulating plate 5 can also enhance the overall stability of the capacitor connection structure, and can prevent the conductive copper bar 2 from being displaced or deformed due to vibration or external impact, so as to ensure stable connection between the capacitor 001 and the conductive copper bar 2, and also facilitate improving the connection reliability of the capacitor connection structure, and prolong the service life of the capacitor connection structure.

Optionally, a first sealing member 6 is further included, the first sealing member 6 is disposed in the insulating shell 4, and the first sealing member 6 is used for sealing the insulating plate 5 and the insulating shell 4.

As shown in fig. 2 to 6, the provision of the first sealing member 6 can further enhance the electrical isolation effect between the insulating plate 5 and the insulating case 4. By sealing the gap between the two with the first seal 6, the risk of electrical leakage or short circuit can be prevented, and the electrical insulation performance of the whole capacitor connection structure is improved.

And, by sealing the gap between the insulating plate 5 and the insulating case 4 by the first sealing member 6, the stability and reliability of the entire capacitor connection structure can be enhanced, the risk of loosening and displacement thereof due to vibration or impact or the like can be reduced, and the connection reliability of the capacitor connection structure can be improved. In addition, the arrangement of the first sealing member 6 can also prevent moisture, dust and other impurities in the external environment from entering the inside of the insulating case 4, thereby being able to protect the capacitor 001 and the conductive copper bar 2 from contamination and corrosion, and also enlarging the adaptability of the capacitor connection structure.

Optionally, the shock absorbing member 3 includes a first shock absorbing member 31 and a second shock absorbing member 32, the first shock absorbing member 31 is sandwiched between the housing assembly 1 and the conductive copper bar 2, and the second shock absorbing member 32 is sandwiched between the side wall of the housing assembly 1 and the side wall of the insulating case 4.

As shown in fig. 2 to 6, the first damper 31 is sandwiched between the housing assembly 1 and the conductive copper bar 2, that is, the first damper 31 extends along the height direction of the capacitor connection structure, so that the first damper 31 can perform buffering and damping along the height direction of the capacitor connection structure, and protect the conductive copper bar 2 and the capacitor 001 inside.

The second damper 32 is interposed between the side wall of the housing assembly 1 and the side wall of the insulating case 4, that is, the second damper 32 is arranged along the circumference of the capacitor connecting structure, so that the first damper 31 can perform buffering and damping along the circumference of the capacitor connecting structure and protect the capacitor 001 on the inner side.

Optionally, the first damper 31 includes a damper spring and/or a damper sleeve, and the second damper 32 includes a damper spring and/or a damper sleeve. The damping spring, the damping sleeve or other elastic structures can be selected correspondingly according to actual damping requirements, and the corresponding damping effect is realized by utilizing the elastic deformation capacity and the elastic recovery capacity of the damping spring, the damping sleeve or other elastic structures.

Alternatively, the number of the first shock absorbing members 31 and the number of the second shock absorbing members 32 are respectively plural, and the plurality of the first shock absorbing members 31 and the plurality of the second shock absorbing members 32 are respectively and uniformly arranged.

As shown in fig. 2 to 6, the plurality of first shock absorbing members 31 and the plurality of second shock absorbing members 32 are uniformly arranged, so that the capacitor 001 can receive uniform shock absorbing effects from a plurality of directions when being vibrated or impacted, thereby being capable of balancing the shock absorbing forces received by each part of the capacitor 001, and further being capable of avoiding damage risks caused by overlarge local stress of the capacitor 001.

In addition, the design of the plurality of shock absorbing members 3 increases the shock absorbing area and the number of shock absorbing points, thereby being capable of improving the shock absorbing effect of the capacitor connection structure.

Optionally, the housing assembly 1 is provided with an air inlet 121 and an air outlet 111, and the air inlet 121 and the air outlet 111 are respectively communicated with the accommodating space.

As shown in fig. 1 and fig. 2, fig. 4 and fig. 5, the air inlet 121 and the air outlet 111 are respectively formed on the housing assembly 1, and the air inlet 121, the air outlet 111 and the accommodating space can form an effective air circulation path, so that external cold air can enter the accommodating space through the air inlet 121 and is discharged through the air outlet 111 after being subjected to heat exchange with heating elements such as the capacitor 001, thereby improving the heat dissipation performance of the capacitor connection structure, effectively reducing the working temperature of the capacitor 001 and prolonging the service life of the capacitor.

In addition, the design of the air inlet 121 and the air outlet 111 on the shell component 1 can optimize the heat dissipation performance of the capacitor connection structure, so that the capacitor 001 can operate in a more stable working environment, the performance fluctuation or the fault risk caused by overheat of the capacitor 001 is reduced, and the capacitor 001 can be ensured to keep a proper temperature in the working process, so that the safety is improved.

Optionally, the housing assembly 1 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 enclose the accommodating space, one of the air inlet 121 and the air outlet 111 is located on the first housing 11, and the other of the air inlet 121 and the air outlet 111 is located on the second housing 12.

As shown in fig. 1 and 2, and fig. 4 and 5, the case assembly 1 may include a first case 11 and a second case 12, and the case assembly 1 includes the first case 11 and the second case 12, forming an accommodating space capable of accommodating the capacitor 001. That is, the housing assembly 1 may be of a split design, so that the assembly process of the entire housing assembly 1 is simpler. When maintenance is required for the internal capacitor 001 or other structures, only the first case 11 or the second case 12 can be detached, improving convenience of maintenance.

In addition, by providing the housing assembly 1 including the first housing 11 and the second housing 12, rigidity and impact resistance of the entire housing assembly 1 can be improved, helping to protect the internal capacitor 001 or other structure from external vibration or impact.

In addition, the air inlet 121 and the air outlet 111 are respectively disposed on the first housing 11 and the second housing 12, which is helpful for forming a more reasonable air flow path. This design can ensure that cold air enters the accommodating space from the air inlet 121 and is smoothly discharged from the air outlet 11 after being subjected to sufficient heat exchange with the heating element, thereby improving the heat dissipation efficiency of the capacitor connection structure.

Optionally, the housing assembly 1 further comprises a second seal 13, the second seal 13 being provided between the first housing 11 and the second housing 12.

As shown in fig. 1, 2 and 4, the first housing 11 and the second housing 12 may be connected to both sides of the second seal 13, respectively, to form the housing assembly 1 together. Through holes can be formed in the first housing 11, the second housing 12 and the second sealing member 13, respectively, and structural reinforcement can be performed by bolting. The provision of the second sealing member 13 can enhance the sealing performance between the first housing 11 and the second housing 12, and can effectively prevent foreign substances such as external dust, moisture, etc. from entering the inside of the housing assembly 1, thereby protecting the capacitor 001 and other internal structures from contamination and damage.

In addition, the provision of the second seal 13 also prevents the risk of electrical leakage and short circuits, ensures the safe isolation of the capacitor 001 and the conductive member within the housing assembly 1, reduces the possibility of electrical failure due to external factors, and improves the electrical safety of the overall capacitor connection structure.

The embodiment of the application also provides an energy storage device which comprises the capacitor 001 and the capacitor connecting structure, wherein the capacitor 001 is arranged in the accommodating space.

The embodiment of the application also provides a vehicle which comprises the energy storage device or the capacitor connecting structure.

While certain specific embodiments of the application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.

Claims (15)

1. A capacitor connecting structure, characterized by comprising:

The novel capacitor comprises a shell assembly (1), a conductive copper bar (2) and at least one shock absorbing piece (3), wherein an accommodating space is formed in the shell assembly (1), the accommodating space is used for accommodating a capacitor (001), the conductive copper bar (2) is arranged in the shell assembly (1), the conductive copper bar (2) is used for forming detachable connection with the capacitor (001), and the shock absorbing piece (3) is arranged between the shell assembly (1) and the capacitor (001).

2. The capacitor connecting structure according to claim 1, comprising two conductive copper bars (2), wherein the conductive copper bars (2) are provided with connecting holes (21), one conductive copper bar (2) is used for forming detachable connection with the positive electrode of the capacitor (001), and the other conductive copper bar (2) is used for forming detachable connection with the negative electrode of the capacitor (001).

3. The capacitor connecting structure according to claim 2, wherein the connecting hole (21) is a screw hole, and the connecting hole (21) is capable of forming screw connection with the positive and negative electrodes of the capacitor (001).

4. The capacitor connecting structure according to claim 1, characterized by comprising a plurality of the shock absorbing members (3), at least one of between an inner wall of the case assembly (1) and a first side of the capacitor (001), between an inner wall of the case assembly (1) and a second side of the capacitor (001), and between an inner wall of the case assembly (1) and a third side of the capacitor (001), being adjacent three sides of the capacitor (001), being provided with the shock absorbing members (3).

5. The capacitor connecting structure according to claim 4, further comprising an insulating case (4), the insulating case (4) being provided in the case assembly (1), the accommodating space being formed in the insulating case (4), the shock absorbing member (3) being provided between the case assembly (1) and the insulating case (4) and/or between the case assembly (1) and the conductive copper bar (2).

6. The capacitor connecting structure according to claim 5, further comprising an insulating plate (5), the insulating plate (5) being provided on a side of the conductive copper bar (2) remote from the capacitor (001).

7. The capacitor connecting structure according to claim 6, further comprising a first sealing member (6), the first sealing member (6) being provided in the insulating case (4), the first sealing member (6) being for sealing the insulating plate (5) and the insulating case (4).

8. The capacitor connecting structure according to claim 5, wherein the damper (3) comprises a first damper (31) and a second damper (32), the first damper (31) is interposed between the case assembly (1) and the conductive copper bar (2), and the second damper (32) is interposed between the side wall of the case assembly (1) and the side wall of the insulating case (4).

9. Capacitor connection according to claim 8, characterized in that the first damping member (31) comprises a damping spring and/or a damping sleeve and the second damping member (32) comprises a damping spring and/or a damping sleeve.

10. The capacitor connecting structure according to claim 8, wherein the number of the first damper members (31) and the number of the second damper members (32) are plural, respectively, and the plural first damper members (31) and the plural second damper members (32) are uniformly arranged, respectively.

11. The capacitor connecting structure according to claim 1, wherein an air inlet (121) and an air outlet (111) are formed in the housing assembly (1), and the air inlet (121) and the air outlet (111) are respectively communicated with the accommodating space.

12. The capacitor connecting structure according to claim 11, wherein the case assembly (1) includes a first case (11) and a second case (12), the first case (11) and the second case (12) enclosing the accommodation space, one of the air intake (121) and the air outlet (111) being located on the first case (11), the other of the air intake (121) and the air outlet (111) being located on the second case (12).

13. The capacitor connecting structure according to claim 12, characterized in that the housing assembly (1) further comprises a second seal (13), the second seal (13) being provided between the first housing (11) and the second housing (12).

14. An energy storage device, characterized by comprising a capacitor (001) and a capacitor connection structure according to any one of claims 1 to 13, the capacitor (001) being provided in the accommodation space.

15. A vehicle comprising the energy storage device of claim 14 or the capacitor connection structure of any one of claims 1 to 13.