Battery and electric device

Abstract

The utility model relates to a battery and an electric device. The battery comprises a battery box body and a protective cover assembly, the protective cover assembly comprises a protective main body, an auxiliary part and a fool-proof part, the auxiliary part is connected to the battery box body, a limiting hole is formed in the auxiliary part, and a matching part clamped and matched with the limiting hole is arranged on the protective main body. When the matching part is separated from the limiting hole, at least part of the fool-proof piece is located in the limiting hole; and when the matching part is clamped with the limiting hole, the fool-proof piece is separated from the limiting hole. According to the battery, the fool-proof piece is arranged to judge whether the protection main body is installed in place on the auxiliary piece, and when the matching part is not clamped into the limiting hole, the fool-proof piece is limited in the limiting hole and cannot be taken out, the protection main body is judged not to be installed in place, and an operator is reminded to continuously adjust the installation position of the protection main body; and when the fool-proof piece is ejected out of the limiting hole by the matching part, the protection main body is installed in place, and at the moment, the matching part is clamped in the limiting hole, so that the protection main body and the auxiliary piece are firmly assembled.

Description

Technical Field

[0001] The present application relates to the technical field of energy storage equipment, and in particular to batteries and electrical devices. Background Art

[0002] With the development of new energy technology and the progress of society, battery technology has become increasingly mature, providing power for various power equipment such as electric vehicles, electric trains, and electric bicycles.

[0003] Batteries generate a significant amount of heat during operation, necessitating a cooling device to dissipate this heat. Typically, this cooling system utilizes liquid cooling tubes, which are located within the battery compartment and in contact with the battery cells to dissipate the heat. To protect the openings of these tubes, protective caps are typically installed.

[0004] However, traditional protective covers often become loose or even fall off due to improper installation, affecting the protective effect of the liquid cooling pipe opening. Utility Model Content

[0005] Based on this, it is necessary to provide a battery and an electrical device that can ensure that the protective cover assembly is installed in place on the battery box, thereby ensuring that the protective cover assembly is firmly installed to ensure the safety performance of the battery and the electrical device.

[0006] A battery comprising:

[0007] Battery box;

[0008] The protective cover assembly includes a protective body, an auxiliary part and an anti-fouling part. The auxiliary part is connected to the battery box body, a limiting hole is provided on the auxiliary part, and a matching part that engages with the limiting hole is provided on the protective body;

[0009] When the matching portion is separated from the limiting hole, at least a portion of the fool-proofing piece is located in the limiting hole; when the matching portion is engaged with the limiting hole, the fool-proofing piece is released from the limiting hole.

[0010] In one embodiment, the mating portion is an elastic snap buckle, which includes a free end and a connecting end. The connecting end is connected to the protective body, and the free end protrudes from the protective body and can be snapped into the limiting hole.

[0011] In one embodiment, one end of the anti-foolproofing piece is detachably connected to the battery case, and the other end of the anti-foolproofing piece is limited in the limiting hole. When the anti-foolproofing piece is pressed by the mating part, it can be deformed toward the outside of the auxiliary part, so that the anti-foolproofing piece can be released from the battery case.

[0012] In one embodiment, a plug hole is provided on the battery box, and one end of the foolproof component is plugged into the plug hole.

[0013] In one embodiment, the fool-proofing piece is interference-fitted with the hole wall of the limiting hole, and the friction force between the fool-proofing piece and the hole wall of the limiting hole is smaller than the elastic force exerted by the fitting portion on the fool-proofing piece.

[0014] In one embodiment, the auxiliary component extends along a first direction, and a connecting hole is provided on the auxiliary component along the first direction, and the protective body is inserted into the connecting hole.

[0015] In one embodiment, the protective body includes:

[0016] A protective shell is used to cover the protected component;

[0017] The plug-in post is arranged on the outside of the protective shell, the matching part is arranged on the plug-in post, and the plug-in post can be plugged into the connecting hole.

[0018] In one embodiment, the protective housing comprises:

[0019] The protection part is provided with a protection space, and the protection space is used to accommodate the protected component;

[0020] The connecting portion is connected to the protective portion and extends out of the protective space. The plug-in column is connected to the connecting portion.

[0021] In one embodiment, at least two auxiliary parts are provided, and the auxiliary parts are respectively provided on opposite sides of the protective space, and at least two plug-in posts are correspondingly provided, and the plug-in posts are plugged into the auxiliary parts in a one-to-one correspondence.

[0022] In one embodiment, a mounting hole is provided on the battery box, and the auxiliary component is provided in the mounting hole.

[0023] In one embodiment, the battery box includes a crossbeam, the mounting hole is set on the crossbeam, the auxiliary component is inserted into the crossbeam, and the end surface of the auxiliary component is flush with the outer surface of the crossbeam, and one side of the protective shell can be attached to the crossbeam.

[0024] An electrical device comprises the battery.

[0025] The above-mentioned battery provides shielding and protection for the nozzle of the liquid cooling pipe or other parts that need protection by setting a protective cover assembly. The protective cover assembly is configured to include three parts: a protective body, an auxiliary part, and an anti-foolproof part. The auxiliary part is connected and fixed to the battery case, and the protective body is clamped to the auxiliary part so that the protective body is connected to the battery case through the auxiliary part. The mating part on the protective body is clamped into the limiting hole on the auxiliary part to ensure that the protective body and the auxiliary part are firmly connected. Furthermore, by setting an anti-foolproof part, it is determined whether the protective body is installed in place on the auxiliary part. When the mating part is not clamped into the limiting hole, the anti-foolproof part is limited in the limiting hole and cannot be removed, then it is determined that the protective body is not installed in place, and the operator is reminded to continue to adjust the installation position of the protective body until the anti-foolproof part is pushed out of the limiting hole by the mating part, which indicates that the protective body is installed in place. At this time, the mating part is clamped in the limiting hole to ensure that the protective body and the auxiliary part are firmly assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic structural diagram of a protective cover assembly provided in one embodiment of the present application.

[0027] Figure 2 This is a schematic structural diagram of the protective body provided in one embodiment of the present application.

[0028] Figure 3 This is a schematic diagram of the assembly structure of the auxiliary parts, anti-fouling parts and beams provided in one embodiment of the present application.

[0029] Figure 4 This is a schematic structural diagram of the auxiliary components provided in one embodiment of the present application.

[0030] Reference numerals:

[0031] 1. Protective cover assembly; 11. Protective body; 112. Protective shell; 1121. Protective portion; 11210. Protective space; 1122. Connecting portion; 113. Connecting column; 1131. Elastic buckle; 11311. Guide ramp; 12. Auxiliary component; 121. Limiting hole; 122. Connecting hole; 13. Anti-fouling component; 131. Elastic rod; 132. Clamp;

[0032] 2. Crossbeam; 21. Connecting hole; 22. Mounting hole. DETAILED DESCRIPTION

[0033] To make the above-mentioned objects, features, and advantages of the present application more clearly understood, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways than those described herein, and those skilled in the art can make similar improvements without violating the scope of the present application. Therefore, the present application is not limited to the specific embodiments disclosed below.

[0034] In the description of this application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.

[0035] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this application, if the term "plurality" appears, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0036] In this application, unless otherwise specified or limited, the terms "mounted," "connected," "connected," "fixed," etc., should be interpreted broadly. For example, these terms may refer to fixed connections, removable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0037] In this application, unless otherwise expressly specified or limited, if a first feature is described as being "above" or "below" a second feature, or similar descriptions, this may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is described as being "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is described as being "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0038] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only embodiment.

[0039] Currently, market developments indicate that batteries are increasingly being used. They are not only used in energy storage systems such as hydropower, thermal, wind, and solar power plants, but are also widely used in electric vehicles like electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. As battery applications continue to expand, market demand is also growing.

[0040] Batteries generally consist of a battery case and battery cells. The battery cells are housed within the battery case, providing protection for the cells. Battery cells generate significant heat during operation, so liquid cooling pipes or other liquid cooling devices are installed at the bottom of the battery case to dissipate heat from the cells, ensuring long-term stable charging and discharging.

[0041] Batteries are extremely susceptible to collisions and crushing in their operating environments, especially when installed in vehicles. Therefore, protective covers are required around the cooling tube openings to prevent damage and potential safety hazards. Of course, protective covers aren't limited to the cooling tube openings; other components within the battery also require them.

[0042] This application does not limit the specific structure of the battery case and battery cells, nor does it limit the specific installation position of the protective cover on the battery case. Battery cells may include lithium-ion secondary battery cells, lithium-ion primary battery cells, lithium-sulfur battery cells, sodium-lithium-ion battery cells, sodium-ion battery cells, or magnesium-ion battery cells, and this application does not limit this. Battery cells may be cylindrical, flat, rectangular, or other shapes, and this application does not limit this.

[0043] Traditional protective covers are generally made of metal and fixed to the battery box with bolts. Assembly is time-consuming and labor-intensive, and the assembly accuracy is difficult to control. In addition, they often become loose or even fall off due to improper installation, causing the protective function to fail.

[0044] Based on the above considerations, if Figure 1-Figure 3As shown, an embodiment of the present application provides a battery, comprising a battery case and a protective cover assembly 1. The protective cover assembly 1 comprises a protective body 11, an auxiliary member 12, and an anti-fouling member 13. The auxiliary member 12 is connected to the battery case and is provided with a limiting hole 121. The protective body 11 is provided with a mating portion that engages with the limiting hole 121. When the mating portion is separated from the limiting hole 121, at least a portion of the anti-fouling member 13 is located within the limiting hole 121. When the mating portion is engaged with the limiting hole 121, the anti-fouling member 13 is released from the limiting hole 121.

[0045] The battery proposed in the embodiment of the present application provides shielding and protection for the nozzle of the liquid cooling pipe or other components that require protection by providing a protective cover assembly 1. The protective cover assembly 1 is configured to include three parts: a protective body 11, an auxiliary part 12, and an anti-foolproof part 13. The auxiliary part 12 is connected and fixed to the battery case, and the protective body 11 is snapped onto the auxiliary part 12 to connect the protective body 11 to the battery case through the auxiliary part 12. The mating portion on the protective body 11 snaps into the limiting hole 121 on the auxiliary part 12 to ensure that the protective body 11 and the auxiliary part 12 are firmly connected. Furthermore, by setting an anti-foolproof part 13, it is determined whether the protective body 11 is installed in place on the auxiliary part 12. When the matching part is not stuck in the limiting hole 121, the anti-foolproof part 13 is limited in the limiting hole 121 and cannot be removed, then it is determined that the protective body 11 is not installed in place, and the operator is reminded to continue adjusting the installation position of the protective body 11 until the anti-foolproof part 13 is pushed out of the limiting hole 121 by the matching part, which indicates that the protective body 11 is installed in place. At this time, the matching part is stuck in the limiting hole 121, ensuring that the protective body 11 and the auxiliary part 12 are firmly assembled.

[0046] In one embodiment, if Figure 1 As shown, the matching portion is an elastic buckle 1131 , which includes a free end and a connecting end. The connecting end is connected to the protective body 11 , and the free end protrudes from the protective body 11 and can be snapped into the limiting hole 121 .

[0047] It should be noted that, in some embodiments, the protective cover assembly 1 is disposed on the crossbeam 2 of the battery box. Figure 2 Only the structure of the crossbeam 2 is shown, and other structures of the battery box are omitted. When the protective cover assembly 1 is set at other positions of the battery box according to actual protection needs, it can be installed on the crossbeam 2, which is not described here.

[0048] In order to ensure that the protective body 11 is firmly installed, at least two auxiliary parts 12 are arranged at intervals. A protective space 11210 is provided on the protective body 11, and auxiliary parts 12 are respectively provided on the opposite sides of the protective space 11210. At least two auxiliary parts 12 provide at least two connection points for the protective body 11, thereby ensuring that the protective body 11 is firmly installed.

[0049] In one embodiment, the battery case is provided with a mounting hole 22, and the auxiliary component 12 is disposed in the mounting hole 22. The auxiliary component 12 can be fixed in the mounting hole 22 by bonding to ensure that the auxiliary component 12 is firmly mounted on the battery case.

[0050] Specifically, if Figure 3 As shown, the beam 2 is set to a hollow structure, the mounting hole 22 is set on the beam 2, the auxiliary part 12 is inserted into the beam 2, and the end face of the auxiliary part 12 is flush with the outer surface of the beam 2. One side of the protective body 11 can fit into the beam 2, so that the beam 2 provides support for the protective body 11, thereby reducing the force at the connection between the protective body 11 and the auxiliary part 12, which is conducive to a more secure installation of the protective body 11.

[0051] In one embodiment, if Figure 4 As shown, the auxiliary member 12 can be configured as a cylindrical shape, extending along a first direction, and having a connecting hole 122 disposed thereon along the first direction, with the protective body 11 being snapped into the connecting hole 122. By disposing the connecting hole 122 along the extending direction of the auxiliary member 12, the connecting hole 122 can be made longer, thereby allowing the protective body 11 to be inserted into the auxiliary member 12 over a longer distance, thereby improving the connection stability between the protective body 11 and the auxiliary member 12.

[0052] In order to cooperate with the auxiliary member 12, the structure of the protective body 11 is also improved in the embodiment of the present application. Figure 1 and Figure 2 As shown, the protective body 11 includes a protective shell 112 and a plug-in post 113. The protective shell 112 is used to cover the protected component. The plug-in post 113 is arranged outside the protective shell 112, and an elastic buckle 1131 is arranged on the plug-in post 113. The plug-in post 113 can be plugged into the connection hole 122.

[0053] By arranging the plug post 113 to be plugged into the auxiliary component 12 , the plug post 113 is inserted into the connection hole 122 by a longer end distance, thereby reducing the deformation of the plug post 113 when the battery vibrates.

[0054] In one embodiment, at least two plug-in posts 113 are correspondingly provided, and the plug-in posts 113 are plugged into the auxiliary components 12 in a one-to-one correspondence.

[0055] Optionally, the protective shell 112, the plug-in column 113 and the elastic buckle 1131 are configured as an integrated structure, which can be processed and formed by injection molding, is easy to process and has good structural strength.

[0056] In one embodiment, if Figure 2As shown, the elastic clip 1131 is arranged at the end of the plug-in column 113 away from the protective shell 112. Correspondingly, the limiting hole 121 is arranged at the end of the auxiliary component 12 located inside the beam 2. The elastic clip 1131 and the limiting hole 121 are far away from the protective shell, which is conducive to improving the firmness of the connection between the protective body 11 and the auxiliary component 12.

[0057] In one embodiment, a guide bevel 11311 is provided on the end of the elastic clip 1131 facing away from the protective shell 112. The guide bevel 11311 gradually approaches the plug-in post 113 from one side close to the protective shell 112 to the other side. During the insertion of the plug-in post 113 into the auxiliary component 12, the wall of the connection hole 122 gradually presses against the guide bevel 11311 of the elastic clip 1131 until the elastic clip 1131 is pressed into the connection hole 122. When the guide bevel 11311 gradually aligns with the limiting hole 121, the elastic clip 1131 gradually rebounds and snaps into the limiting hole 121. The provision of the guide bevel 11311 makes it easier for the elastic clip 1131 to enter the connection hole 122 and gradually rebound into the limiting hole 121.

[0058] In one embodiment, please continue to refer to Figure 1 and Figure 2 The protective shell 112 includes a protective portion 1121 and a connecting portion 1122. The protective portion 1121 is provided with a protective space 11210, and the protective space 11210 is used to accommodate the protected component. The connecting portion 1122 is connected to the protective portion 1121, and the connecting portion 1122 extends outward from the protective space 11210, and the plug-in column 113 is connected to the connecting portion 1122. By providing the connecting portion 1122, an installation platform is provided for the plug-in column 113, which makes it easier to connect the plug-in column 113 with the protective shell 112. When the plug-in column 113 and the auxiliary component 12 are assembled in place, the connecting portion 1122 fits on the beam 2 and acts as a flange, which is conducive to making the assembly between the protective shell 112 and the beam 2 more secure.

[0059] In one embodiment, combining Figure 3 and Figure 4 As shown, one end of the anti-foolproofing part 13 is detachably connected to the beam 2, and the other end of the anti-foolproofing part 13 is limited in the limiting hole 121. When the anti-foolproofing part 13 is pressed by the elastic buckle 1131, it can be deformed toward the outside of the auxiliary part 12, so that the anti-foolproofing part 13 can be released from the beam 2.

[0060] Optionally, the anti-mock component 13 includes an elastic rod 131 and a clamp 132. One end of the elastic rod 131 is detachably connected to the beam 2, and the clamp 132 is connected to the other end of the elastic rod 131. When the elastic rod 131 is connected to the beam 2, the clamp 132 is naturally clamped into the limiting hole 121, thereby limiting the elastic rod 131 and preventing the elastic rod 131 from being removed from the beam 2.

[0061] Specifically, the battery box is provided with a plug hole 21, and one end of the foolproof part 13 is plugged into the plug hole 21. The plug hole 21 is arranged close to the mounting hole 22, when the other end of the foolproof part 13 is inserted into the limiting hole 121, the auxiliary part 12 blocks the foolproof part 13, and the foolproof part 13 cannot be pulled out of the plug hole 21; when the foolproof part 13 is pushed out by the elastic buckle 1131, the foolproof part 13 avoids the auxiliary part 12, and at this time the foolproof part 13 can be pulled out of the plug hole 21 by using an auxiliary tool or directly manually. When the foolproof part 13 can be pulled out, it indicates that the protective main body 11 and the auxiliary part 12 are assembled in place.

[0062] In another embodiment, the foolproof part 13 is in interference fit with the hole wall of the limiting hole 121, and the friction between the foolproof part 13 and the hole wall of the limiting hole 121 is smaller than the elastic force exerted by the elastic buckle 1131 on the foolproof part 13. By interference connecting the foolproof part 13 in the limiting hole 121, the foolproof part 13 is prevented from falling off naturally, and when the elastic buckle 1131 pushes the foolproof part 13 out to separate from the auxiliary part 12, it indicates that the protective main body 11 and the auxiliary part 12 are assembled in place.

[0063] It should be noted that the protective cover assembly 1 provided in the embodiments of the present application can be made of plastic material, which facilitates the realization of the elastic properties of the elastic buckle 1131 and the foolproof part 13. Moreover, the protective cover assembly 1 made of plastic material has relatively low cost and lighter weight, which is conducive to reducing the cost of parts of the battery and improving the operation convenience of employees.

[0064] The embodiments of the present application also provide a power utilization device, which includes the battery as above. The power utilization device can be, but is not limited to, an energy storage power system such as a hydroelectric power station, a thermal power station, a wind power station and a solar power station, or an electric vehicle such as an electric bicycle, an electric motorcycle and an electric automobile.

[0065] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present application.

[0066] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be noted that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A battery, characterized in that: The battery comprises: Battery box; A protective cover assembly, comprising a protective body, an auxiliary component, and an anti-fouling component, wherein the auxiliary component is connected to the battery box, a limiting hole is provided on the auxiliary component, and a mating portion is provided on the protective body for engaging with the limiting hole; When the matching portion is separated from the limiting hole, at least a portion of the fool-proofing component is located in the limiting hole; when the matching portion is engaged with the limiting hole, the fool-proofing component is disengaged from the limiting hole.

2. The battery according to claim 1, characterized in that The matching portion is an elastic buckle, which includes a free end and a connecting end. The connecting end is connected to the protective body, and the free end protrudes from the protective body and can be snapped into the limiting hole.

3. The battery according to claim 1, characterized in that One end of the anti-foolproof part is detachably connected to the battery case, and the other end of the anti-foolproof part is limited in the limiting hole. When the anti-foolproof part is pressed by the matching part, it can be deformed toward the outside of the auxiliary part, so that the anti-foolproof part can be released from the battery case.

4. The battery according to claim 3, characterized in that The battery box is provided with a plug hole, and one end of the fool-proof component is plugged into the plug hole.

5. The battery according to any one of claims 1 to 4, characterized in that The fool-proofing piece is interference-fitted with the hole wall of the limiting hole, and the friction force between the fool-proofing piece and the hole wall of the limiting hole is smaller than the elastic force applied by the matching portion to the fool-proofing piece.

6. The battery according to any one of claims 1 to 4, characterized in that The auxiliary component extends along a first direction, and a connecting hole is provided on the auxiliary component along the first direction, and the protective body is inserted into the connecting hole.

7. The battery according to claim 6, characterized in that The protection body includes: A protective shell, the protective shell is used to cover the protected component; The plug-in post is arranged on the outside of the protective shell, the matching portion is arranged on the plug-in post, and the plug-in post can be plugged into the connecting hole.

8. The battery according to claim 7, characterized in that The protective shell includes: A protection portion, wherein the protection portion is provided with a protection space, and the protection space is used to accommodate the protected component; A connecting portion is connected to the protective portion and extends outside the protective space, and the plug-in column is connected to the connecting portion.

9. The battery according to claim 8, characterized in that At least two auxiliary parts are provided, and the auxiliary parts are respectively provided on opposite sides of the protective space. At least two plug-in posts are correspondingly provided, and the plug-in posts are plugged into the auxiliary parts in a one-to-one correspondence.

10. The battery according to claim 7, characterized in that The battery box is provided with a mounting hole, and the auxiliary component is arranged in the mounting hole.

11. The battery according to claim 10, characterized in that The battery box includes a crossbeam, the mounting hole is provided on the crossbeam, the auxiliary component is inserted into the crossbeam, and the end surface of the auxiliary component is flush with the outer surface of the crossbeam, and one side surface of the protective shell can be fitted with the crossbeam.

12. An electrical device, characterized in that: The electric device comprises the battery according to any one of claims 1 to 11.

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