Battery connection terminal, temperature measurement connection cable and power battery

Abstract

The utility model discloses a battery connection terminal, temperature measurement connection cable and power battery, including terminal connection portion, terminal connection hole is opened in the middle of terminal connection portion, the edge of terminal connection portion extends outward to form first extension portion and second extension portion, first extension portion and second extension portion are arranged in the same direction, and the first extension portion and second extension portion are arranged in the same direction. The two sides of one end, far away from the terminal connecting part, of the first extending part are bent to form first buckling parts, the two sides of one end, far away from the terminal connecting part, of the second extending part are bent to form second buckling parts, a power line wiring cavity is formed between the two first buckling parts, and a signal line wiring cavity is formed between the two second buckling parts. According to the battery connection terminal, the wiring structures for fixing the power line and the signal line are simultaneously arranged on the terminal connection part, so that the power supply and signal connection cost of the power battery is reduced, and meanwhile, the integrated structure of the battery connection terminal ensures the reliability of electric connection of the power battery.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicles, and in particular to a battery connection terminal, a temperature measurement connection cable and a power battery. Background Art

[0002] The power battery is the core power component of new energy vehicles. The temperature of the battery cell is closely related to the driving safety of electric vehicles. In order to monitor and manage the temperature of the battery cell in the module, it is necessary to collect it through the collection harness.

[0003] The existing temperature detection of the power battery in the car requires additional temperature measurement components, including temperature measurement probes and their signal harnesses, which undoubtedly increases the cost. In addition, too many component connections for the power battery will increase the risk of the power battery operation, such as excessive temperature rise effect at the connection and unstable connection. Utility Model Content

[0004] In order to solve the above problems, the technical solution provided by the utility model is:

[0005] A battery connection terminal comprises a terminal connection part, a terminal connection hole is opened in the middle of the terminal connection part, the edge of the terminal connection part extends outward to form a first extension part and a second extension part, the first extension part and the second extension part are arranged in the same direction, both sides of the first extension part away from one end of the terminal connection part are bent to form a first buckling part, both sides of the second extension part away from one end of the terminal connection part are bent to form a second buckling part, a power line connection cavity is provided between the two first buckling parts, and a signal line connection cavity is provided between the two second buckling parts.

[0006] The utility model is further configured such that the middle portion of the terminal connecting portion is sunken to form a recessed portion, and the bottom surface and the top surface of the recessed portion are both flat surfaces.

[0007] The utility model is further configured such that the terminal connection hole is located in the recessed portion.

[0008] The utility model is further configured such that a wire groove is provided on the first extension portion at a position corresponding to the power line connection cavity, and a wire groove is provided on the second extension portion at a position corresponding to the signal line connection cavity.

[0009] The utility model is further configured that the edge of the terminal connecting portion is circular, and the distance between the first extension portion and the second extension portion is smaller than the diameter of the terminal connecting portion.

[0010] A temperature measuring connecting cable comprises the above-mentioned battery connecting terminal, wherein a power line is connected to the power line connection cavity, a signal line is connected to the signal line connection cavity, the first buckling portion is crimped to the internal conductor of the power line, and the second buckling portion is crimped to the internal conductor of the signal line.

[0011] The utility model is further configured such that an insulating member is injection-molded on the outside of the battery connection terminal, the insulating member covers the edge of the terminal connection part, the first extension part and the second extension part, and the insulating member forms an opening at a position opposite to the middle of the terminal connection part.

[0012] The utility model is further configured that a foldable plug body is provided on one side of the insulating member, and the plug body is adapted to the opening.

[0013] A power battery adopts the above-mentioned temperature measurement connecting cable.

[0014] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0015] The battery connection terminal of the present technical solution is a wiring structure for fixing the power line and the signal line at the same time on the terminal connection part, so that the battery connection terminal can realize both the transmission of battery power and the temperature rise monitoring of the battery terminal, without the need to set up additional temperature measurement components, thereby reducing the power supply and signal connection costs of the power battery. At the same time, the integrated structure of the battery connection terminal ensures the reliability of the electrical connection of the power battery.

[0016] The temperature measurement connecting cable of this technical solution can realize the transmission of power supply and temperature signals of the battery terminal, and has good insulation performance, effectively avoiding interference from the external environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of the battery connection terminal according to an embodiment of the present utility model.

[0018] Figure 2 This is a top view of the battery connection terminal according to an embodiment of the present utility model.

[0019] Figure 3 This is a three-dimensional diagram of another battery connection terminal according to an embodiment of the present utility model.

[0020] Figure 4 This is a three-dimensional diagram of the temperature measurement connection cable according to an embodiment of the utility model.

[0021] Figure 5 This is a three-dimensional diagram of the temperature measurement connection cable after removing the insulating parts of the embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components; it can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0025] Example 1

[0026] Combined with Figure 1 To Attachment Figure 3 The technical solution of the utility model is a battery connection terminal, including a terminal connection part 1, a terminal connection hole 11 is opened in the middle of the terminal connection part 1, the edge of the terminal connection part 1 extends outward to form a first extension part 2 and a second extension part 3, the first extension part 2 and the second extension part 3 are arranged in the same direction, both sides of the first extension part 2 away from the end of the terminal connection part 1 are bent to form a first buckling part 21, both sides of the second extension part 3 away from the end of the terminal connection part 1 are bent to form a second buckling part 31, a power line connection cavity 22 is provided between the two first buckling parts 21, and a signal line connection cavity 32 is provided between the two second buckling parts 31.

[0027] In this embodiment, the battery connection terminal is integrally formed, specifically, obtained by punching, punching, crimping, bending and other processes.

[0028] In this embodiment, the middle of the terminal connecting portion 1 is sunken to form a recessed portion 4, and the bottom and top surfaces of the recessed portion 4 are both flat surfaces for better electrical connection with the battery terminal.

[0029] In this embodiment, the terminal connection hole 11 is located in the recessed portion 4 .

[0030] In another embodiment, as shown in the attached Figure 3 As shown, a wire groove 23 is provided on the first extension portion 2 at a position corresponding to the power line connection cavity 22 , and a wire groove 33 is provided on the second extension portion 3 at a position corresponding to the signal line connection cavity 32 .

[0031] In the above embodiment, the wire groove 23 and the wire groove 33 improve the stability of the connection of the wires in the power wire connection cavity 22 and the signal wire connection cavity 32 .

[0032] In this embodiment, the edge of the terminal connecting portion 1 is circular, and the distance D2 between the first extending portion 2 and the second extending portion 3 is smaller than the diameter D1 of the terminal connecting portion 1 .

[0033] The battery connection terminal of the utility model is a wiring structure for fixing the power line and the signal line at the same time arranged on the terminal connection part, so that the battery connection terminal can realize the transmission of battery power and the temperature rise monitoring of the battery terminal, without setting up additional temperature measurement components, thus reducing the power supply and signal connection cost of the power battery. At the same time, the integrated structure of the battery connection terminal ensures the reliability of the electrical connection of the power battery.

[0034] Example 2

[0035] Combined with Figure 4 and attached Figure 5 The technical solution of the utility model is a temperature measuring connecting cable, including the battery connecting terminal described in Example 1, the power line connection cavity 22 is connected to the power line 5, the signal line connection cavity 32 is connected to the signal line 6, the first buckling portion 21 is crimped to the internal conductor 51 of the power line 5, and the second buckling portion 31 is crimped to the internal conductor 61 of the signal line 6.

[0036] In this embodiment, an insulating member is injection-molded on the outside of the battery connection terminal. The insulating member 7 covers the edge of the terminal connection part 1, the first extension part 2 and the second extension part 3. The insulating member 7 forms an opening 71 at the middle of the terminal connection part 1.

[0037] In this embodiment, a foldable plug body 72 is provided on one side of the insulating member 7, and the plug body 72 is adapted to the opening 71; the plug body 72 can be plugged into the opening 71 to further improve the insulation performance of the battery connection terminal.

[0038] The temperature measurement connecting cable of the utility model can realize the transmission of power supply and temperature signal of the battery terminal, and has good insulation performance, and effectively avoids interference from the external environment.

[0039] Example 3

[0040] The technical solution of the utility model is a power battery, which adopts the temperature measurement connecting cable described in Example 2.

[0041] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A battery connection terminal, characterized in that: It includes a terminal connecting part, a terminal connecting hole is opened in the middle of the terminal connecting part, the edge of the terminal connecting part extends outward to form a first extension part and a second extension part, the first extension part and the second extension part are arranged in the same direction, both sides of the first extension part away from one end of the terminal connecting part are bent to form a first buckling part, and both sides of the second extension part away from one end of the terminal connecting part are bent to form a second buckling part, a power line connection cavity is provided between the two first buckling parts, and a signal line connection cavity is provided between the two second buckling parts.

2. A battery connection terminal according to claim 1, characterized in that: The middle part of the terminal connecting part sinks to form a recessed part, and the bottom surface and the top surface of the recessed part are both flat surfaces.

3. A battery connection terminal according to claim 2, characterized in that: The terminal connection hole is located in the recessed portion.

4. A battery connection terminal according to claim 1, characterized in that: A wire groove is provided on the first extension portion at a position corresponding to the power line connection cavity, and a wire groove is provided on the second extension portion at a position corresponding to the signal line connection cavity.

5. A battery connection terminal according to any one of claims 1 to 4, characterized in that: The edge of the terminal connecting portion is circular, and the distance between the first extending portion and the second extending portion is smaller than the diameter of the terminal connecting portion.

6. A temperature measurement connecting cable, characterized in that: The battery connection terminal comprises the battery connection terminal as described in any one of claims 1 to 5, wherein a power line is connected to the power line connection cavity, a signal line is connected to the signal line connection cavity, the first buckling portion is crimped to the internal conductor of the power line, and the second buckling portion is crimped to the internal conductor of the signal line.

7. A temperature measuring connecting cable according to claim 6, characterized in that: An insulating member is injection-molded on the outside of the battery connection terminal, and the insulating member covers the edge of the terminal connection part, the first extension part and the second extension part. The insulating member forms an opening at a position facing the middle of the terminal connection part.

8. The temperature measuring connecting cable according to claim 7, characterized in that: A foldable plug body is provided on one side of the insulating member, and the plug body is matched with the opening.

9. A power battery, characterized in that: A temperature measuring connecting cable as described in any one of claims 6 to 8 is used.

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