Electric vehicle battery lead limiting device
By designing a limiting device for electric vehicle battery wires, the problem of the lack of limiting structure for electric vehicle lithium battery wires is solved, enabling the wires to extend along a fixed path, improving the safety of battery connection points and preventing short circuits.
Patent Information
- Application Number
- CN202422757874.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-11-13
AI Technical Summary
The lack of effective limiting structures for the wires in electric vehicle lithium batteries leads to wire crossings or suspension, resulting in chaotic assembly, short circuit risks, and high safety hazards.
Design an electric vehicle battery wire limiting device, including a box body, a positive terminal, a negative terminal, and a limiting structure. The box body is fixed on the battery pack, and the limiting structure restricts the displacement of the wires. The wires extend along a fixed path to prevent short circuits.
It improves the safety of electric vehicle battery wiring connections, prevents short circuits caused by messy wire assembly, and enhances the safety of the battery pack.
Smart Images
Figure CN223693255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric vehicle battery technical field especially relates to a kind of electric vehicle battery wire limiting device. BACKGROUND
[0002] At present, electric vehicle has become important traffic tool for people short distance travel.Lithium battery under electric vehicle footboard is mostly small lithium battery by wire series connection, and the wire on this series connection battery is mostly directly guided from the positive pole of one battery to the negative pole of another battery, and the wire between two batteries lacks effective limiting structure, wire crosses each other or suspends, assembly is more chaotic, short circuit is prone to occur and cause danger, and there is higher security risk.Therefore, an electric vehicle battery wire limiting device capable of making the safety performance of electric vehicle battery wiring place higher is urgently needed. SUMMARY
[0003] The utility model aims at providing a kind of electric vehicle battery wire limiting device to solve the problems existing in the prior art, so that the safety of electric vehicle battery wiring place is higher.
[0004] To achieve the above object, the utility model provides the following scheme:
[0005] The utility model provides a kind of electric vehicle battery wire limiting device, comprising: box body, at least one positive pole terminal, at least one negative pole terminal and limiting structure are provided on the box body, the box body is used for fixedly connected on battery pack, the positive pole terminal is used for corresponding with the position of one battery positive pole, the negative pole terminal is used for corresponding with the position of another battery negative pole, the limiting structure can limit the displacement of wire between the positive pole terminal and the negative pole terminal wired with the positive pole terminal relative to the box body.
[0006] In some embodiments, the box body has two types, and is a one-type box body and a two-type box body respectively, one positive pole terminal and one negative pole terminal are provided on the one-type box body;Two positive pole terminals and two negative pole terminals are provided on the two-type box body.
[0007] In some embodiments, the two-type box body has two two-type terminal areas, one positive pole terminal and negative pole terminal on the two-type box body are arranged on one two-type terminal area, and another positive pole terminal and another negative pole terminal are arranged on another two-type terminal area.
[0008] In some embodiments, the limiting structure on the first type of box body is a first limiting structure, the first limiting structure comprises a first limiting block, the area where the positive electrode connection port and the negative electrode connection port on the first type of box body are located is a first type of connection area, the first limiting block is fixedly connected to the first type of box body on one side of the first type of connection area, the side of the first limiting block away from the first type of connection area is a first limiting face, and the first limiting face is used to contact a wire on the first type of box body.
[0009] In some embodiments, the limiting structure on the second type of box body is a second limiting structure, the second limiting structure comprises a first protrusion and a second protrusion arranged on the second type of box body, the first protrusion and the second protrusion are both arranged in multiple, each first protrusion is arranged along a first straight line in sequence, the second protrusion is arranged along a second straight line in sequence, the first straight line and the second straight line are parallel to each other and have a spacing, a wire channel is formed between the multiple first protrusions and the multiple second protrusions, two ends of the wire channel are connected to two second type of connection areas, and the wire channel is used to limit the displacement of a wire between the positive electrode connection port and the negative electrode connection port connected to the positive electrode connection port.
[0010] In some embodiments, the first protrusion is arranged in three, and the second protrusion is arranged in two.
[0011] In some embodiments, the second limiting structure further comprises two second limiting blocks, the two second limiting blocks are fixedly connected to the second type of box body on one side of the two second type of connection areas respectively, the side of each second limiting block away from the corresponding second type of connection area is a second limiting face, and the second limiting face is used to contact a wire on the second type of box body.
[0012] In some embodiments, the box body around the positive electrode connection port and the negative electrode connection port is provided with a terminal mounting groove, and a connection terminal for clamping a wire is arranged in the terminal mounting groove.
[0013] In some embodiments, the first type of box body and the second type of box body are both fixedly connected with a first clamping block and a second clamping block, the first clamping block is arranged on the box body on both sides of each positive electrode connection port and each negative electrode connection port, a first clamping groove is formed between the first clamping blocks on both sides of each positive electrode connection port and between the first clamping blocks on both sides of each negative electrode connection port, the second clamping block is arranged on the box body on both sides of each first limiting block and each second limiting block, a second clamping groove is formed between the second clamping block and the first limiting block and between the second clamping block and the second limiting block, the second clamping groove is communicated with the first clamping groove and forms the terminal mounting groove.
[0014] In some embodiments, the box body and the limiting structure are made of a fire-retardant material.
[0015] The utility model discloses relative to prior art has obtained following technical effect:
[0016] The electric vehicle battery wire limiting device provided by the utility model has at least one positive terminal connection port and at least one negative terminal connection port arranged on the box body, two batteries are arranged side by side and form a battery pack, the box body is fixedly installed on the battery, one positive terminal connection port corresponds to the positive terminal of one battery, the negative terminal connection port corresponds to the negative terminal of another battery, one end of a wire is connected to the positive terminal of one battery through the positive terminal connection port, the other end of the wire is connected to the negative terminal of another battery through the negative terminal connection port, the two batteries are connected in series, the displacement of the wire is limited through the limiting structure, the wire extends along the fixed path, the short circuit phenomenon caused by disordered wire assembly is prevented, and the safety of the electric vehicle battery connection is higher. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0018] Fig. 1 It is a top view of the electric vehicle battery wire limiting device in one embodiment of the utility model when connecting four batteries in series.
[0019] Fig. 2 It is a structure schematic view of a kind of box body in the electric vehicle battery wire limiting device in one embodiment of the utility model.
[0020] Fig. 3 It is a structure schematic view of another kind of box body in the electric vehicle battery wire limiting device in one embodiment of the utility model.
[0021] In the drawing: 1, a kind of box body;11, first limiting block;111, first limiting surface;2, another kind of box body;21, first protrusion;22, second protrusion;23, second limiting block;231, second limiting surface;3, positive terminal connection port;4, negative terminal connection port;5, first clamping block;6, second clamping block;7, first clamping slot;8, second clamping slot;9, battery;91, positive terminal;92, negative terminal. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0023] The utility model discloses an electric vehicle battery wire limiting device, to solve the problem of prior art, make the safety of electric vehicle battery wiring place higher.
[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, easy to understand, the utility model will be further explained in detail with reference to the drawings and specific embodiment.
[0025] The utility model provides a kind of electric vehicle battery wire limiting device, as shown in Figs. 1-3 It includes: box body, at least one positive terminal 3, at least one negative terminal 4 and limiting structure are arranged on the box body, the box body is used to be fixedly connected on battery pack, the positive terminal 3 is used to correspond with the position of one battery positive pole, the negative terminal 4 is used to correspond with the position of another battery negative pole, the limiting structure can limit the displacement of wire between positive terminal 3 and the negative terminal 4 wired with the positive terminal 3 relative to box body.
[0026] The utility model provides electric vehicle battery wire limiting device, its box body is provided with at least one positive terminal 3 and at least one negative terminal 4, to two batteries 9 as an example, two batteries 9 are arranged side by side and form a battery pack, the box body is fixedly installed on battery, so that one positive terminal 3 corresponds with the positive pole 91 of one battery 9, the negative terminal 4 corresponds with the negative pole 92 of another battery 9, and one end of a wire is connected with the positive pole 91 of one battery 9 through the positive terminal 3, the other end of the wire is connected with the negative pole 92 of another battery 9 through the negative terminal 4, two batteries 9 are connected in series, the displacement of wire is limited by limiting structure, so that wire extends according to fixed path, prevent short circuit phenomenon caused by wire assembly confusion, so that the safety of electric vehicle battery wiring place is stronger.
[0027] In a preferred embodiment of the present application, the box body has two types, namely a first type of box body 1 and a second type of box body 2. The first type of box body 1 is provided with one positive terminal 3 and one negative terminal 4. The second type of box body 2 is provided with two positive terminals 3 and two negative terminals 4. When four batteries 9 are connected in series, the four batteries 9 are arranged side by side, and the four batteries are respectively a first battery, a second battery, a third battery and a fourth battery. One positive terminal 3 and one negative terminal 4 of the second type of box body 2 correspond to one positive terminal 91 and one negative terminal 92 of the first battery and the second battery respectively. The first battery and the second battery are connected by a wire and form a battery pack. Another positive terminal 3 and another negative terminal 4 of the second type of box body 2 correspond to one positive terminal 91 and one negative terminal 92 of the third battery and the fourth battery respectively. The third battery and the fourth battery 9 are connected by a wire and form another battery pack. Then, one positive terminal 3 of the first type of box body 1 corresponds to one positive terminal 91 of one battery pack, and one negative terminal 4 corresponds to one negative terminal 92 of another battery pack. The two battery packs are connected by a wire, and the two battery packs form a series battery pack connected by four batteries in series. The positive terminal 91 and the negative terminal 92 at the first type of box body 1 are used to connect with the power system of the electric vehicle, so that the electric vehicle can be powered by the battery pack connected by four batteries in series.
[0028] In a preferred embodiment of the present application, the second type of box body 2 has two second type of terminal areas. One positive terminal 3 and one negative terminal 4 of the second type of box body 2 are arranged on one second type of terminal area, and another positive terminal 3 and another negative terminal 4 are arranged on another second type of terminal area. In order to make the connection more convenient, the four batteries can be arranged in a positive and negative alternating manner. At this time, one second type of terminal area corresponds to one positive terminal 91 and one negative terminal 92 of two batteries respectively, and another second type of terminal area corresponds to one positive terminal 91 and one negative terminal 92 of another two batteries 9 respectively. Then, one positive terminal 91 on one second type of terminal area and one negative terminal 92 on another second type of terminal area are connected by one wire, and another negative terminal 92 on one second type of terminal area and another positive terminal 91 on another second type of terminal area are connected by another wire, so that the four batteries 9 are connected in series.
[0029] In a preferred embodiment of the present embodiment, the limiting structure on the first type of box body 1 is a first limiting structure, the first limiting structure comprises a first limiting block 11, the area where the positive electrode connection port 3 and the negative electrode connection port 4 on the first type of box body 1 are located is a first type of connection area, the first limiting block 11 is fixedly connected to the first type of box body 1 on one side of the first type of connection area, the side of the first limiting block 11 away from the first type of connection area is a first limiting face 111, and the first limiting face 111 is used for contacting the wire on the first type of box body 1. When connecting the wire, the wire can bypass the first limiting block 11, then extend along the first limiting face 111 and be in close contact with the first limiting face 111, and the first limiting face 111 can limit the displacement of the wire to prevent the wire from moving.
[0030] In a preferred embodiment of the present embodiment, the limiting structure on the second type of box body 2 is a second limiting structure, the second limiting structure comprises a first protrusion 21 and a second protrusion 22 arranged on the second type of box body 2, the first protrusion 21 and the second protrusion 22 are both provided in plurality, each first protrusion 21 is arranged in sequence along a first straight line, the second protrusion 22 is arranged in sequence along a second straight line, the first straight line and the second straight line are parallel to each other and have a spacing, a plurality of first protrusions 21 and a plurality of second protrusions 22 form a wire channel, and the two ends of the wire channel are connected to two second type of connection areas. The wire on the second type of box body 2 can be arranged in the wire channel, and the displacement of the wire is limited by the first protrusion 21 and the second protrusion 22. The limiting protrusion can be well limited, and compared with the strip-shaped limiting member, it is more material-saving.
[0031] In a preferred embodiment of the present embodiment, the first protrusion 21 is provided in three, and the second protrusion 22 is provided in two.
[0032] In a preferred embodiment of the present embodiment, the second limiting structure further comprises two second limiting blocks 23, the two second limiting blocks 23 are respectively fixedly connected to the second type of box body 2 on one side of each of the two second type of connection areas, and the side of each of the two second limiting blocks 23 away from the corresponding second type of connection area is a second limiting face 231, and the second limiting face 231 is used for contacting the wire on the second type of box body 2. When connecting the wire on the second type of box body 2, part of the wire can bypass the second limiting block 23, then extend along the second limiting face 231 and be in close contact with the second limiting face 231, and the second limiting face 231 limits the displacement of the wire.
[0033] It should be noted that in addition to the first protrusion 21, the second protrusion 22, the first limiting block 11 and the second limiting block 23, a plurality of forms of limiting structures can also be used, for example, a slot extending from one positive electrode connection port 3 to one negative electrode connection port 4 can be directly arranged on the box body, and the wire can be arranged in the slot to limit the displacement of the wire.
[0034] In a preferred embodiment of the present application, the box body around the positive terminal 3 and the negative terminal 4 is provided with a terminal mounting groove, and the terminal mounting groove is used for clamping the terminal of the wire.
[0035] In order to match the shape of the terminal of the wire, in a preferred embodiment of the present application, the box body 1 and the box body 2 are fixedly connected with the first clamping block 5 and the second clamping block 6. The box body on both sides of each positive terminal 3 and the box body on both sides of each negative terminal 4 are provided with the first clamping block 5. The first clamping block 5 between the two sides of each positive terminal 3 and the first clamping block 5 between the two sides of each negative terminal 4 form the first clamping groove 7. The box body on both sides of each first limiting block 11 and the box body on both sides of each second limiting block 23 are provided with the second clamping block 6. The second clamping block 6 between the first limiting block 11 and the second clamping block 6 between the second limiting block 23 form the second clamping groove 8. The second clamping groove 8 is communicated with the first clamping groove and forms the terminal mounting groove.
[0036] In a preferred embodiment of the present application, the box body and the limiting structure are made of flame-retardant material. By using the flame-retardant material, the safety hazard caused by the burning of the terminal box when the external short circuit occurs is prevented.
[0037] The principle and implementation mode of the present application are described by using specific examples in the present application. The above examples are only used to help understand the method and the core idea of the present application. Meanwhile, for the general technical personnel in the field, according to the idea of the present application, the specific implementation mode and the application range will be changed. In conclusion, the content of the present application should not be understood as the limitation of the present application.
Claims
1. An electric vehicle battery cable guide, comprising: a housing; a first cable guide member; a second cable guide member; and a cable guide member coupling member coupling the first cable guide member to the second cable guide member. The utility model relates to a battery pack terminal fixing box, including: The box body is used for fixedly connecting on the battery pack, the positive electrode connection port is used for corresponding with the position of one battery positive electrode, the negative electrode connection port is used for corresponding with the position of another battery negative electrode, and the limiting structure can limit the displacement of the wire between the positive electrode connection port and the negative electrode connection port connected with the positive electrode connection port relative to the box body.
2. The electric vehicle battery wire chafing guard of claim 1, wherein: The box body has two types, and is a first type box body and a second type box body respectively, the first type box body is provided with one positive electrode connection port and one negative electrode connection port, and the second type box body is provided with two positive electrode connection ports and two negative electrode connection ports.
3. The electric vehicle battery wire chafing apparatus of claim 2, wherein: The second type box body has two second type connection areas, one positive electrode connection port and one negative electrode connection port on the second type box body are arranged on one second type connection area, and another positive electrode connection port and another negative electrode connection port are arranged on another second type connection area.
4. The electric vehicle battery wire chafing apparatus of claim 3, wherein: The limiting structure on the first type box body is a first limiting structure, the first limiting structure includes a first limiting block, the region where the positive electrode connection port and the negative electrode connection port on the first type box body are located is a first type connection area, the first limiting block is fixedly connected on the first type box body on one side of the first type connection area, the side of the first limiting block away from the first type connection area is a first limiting face, and the first limiting face is used for being in contact with the wire on the first type box body.
5. The electric vehicle battery wire chafing apparatus of claim 4, wherein: The limiting structure on the second type box body is a second limiting structure, the second limiting structure includes a first protrusion and a second protrusion arranged on the second type box body, the first protrusion and the second protrusion are both provided with a plurality of first protrusions arranged in sequence along a first straight line, the second protrusions are arranged in sequence along a second straight line, the first straight line and the second straight line are parallel to each other and have an interval, a wire channel is formed between the plurality of first protrusions and the plurality of second protrusions, the two ends of the wire channel are communicated with two second type connection areas, and the wire channel is used for limiting the displacement of the wire between one positive electrode connection port and the negative electrode connection port connected with the positive electrode connection port.
6. The electric vehicle battery wire chafing apparatus of claim 5, wherein: The first protrusion is provided with three, and the second protrusion is provided with two.
7. The electric vehicle battery wire chafing guard of claim 5, wherein: The second limiting structure further includes two second limiting blocks, the two second limiting blocks are fixedly connected on the second type box body on one side of the two second type connection areas respectively, the side of the two second limiting blocks away from the corresponding second type connection area is a second limiting face, and the second limiting face is used for being in contact with the wire on the second type box body.
8. The electric vehicle battery wire chafing apparatus of claim 7, wherein: The box body around the positive electrode connection port and the negative electrode connection port is provided with a terminal mounting groove, and a connection terminal for clamping the wire is arranged in the terminal mounting groove.
9. The electric vehicle battery wire chafing apparatus of claim 8, wherein: The first clamping block and the second clamping block are fixedly connected to the box body, the first clamping block is arranged on both sides of each positive electrode connecting port and each negative electrode connecting port, a first clamping groove is formed between the first clamping blocks on both sides of each positive electrode connecting port and between the first clamping blocks on both sides of each negative electrode connecting port, the second clamping block is arranged on both sides of each first limiting block and each second limiting block, a second clamping groove is formed between the second clamping block and the first limiting block and between the second clamping block and the second limiting block, the second clamping groove is communicated with the first clamping groove and forms the terminal mounting groove.
10. The electric vehicle battery wire chaser of claim 1, wherein: The box body and the limiting structure are made of flame-retardant materials.