wire connectors

By using parallel and shunting designs for wiring connectors, the problems of high wiring costs and large space requirements in traditional electric vehicles are solved, enabling flexible current distribution and overload protection, and improving the maintainability of electrical equipment.

CN115149306BActive Publication Date: 2026-02-03CHINA AVIATION OPTICAL ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202210668726.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-14
Publication Date
2026-02-03
Estimated Expiration
2042-06-14

AI Technical Summary

Technical Problem

Traditional electric vehicle wiring methods result in high overall wiring costs, large installation space requirements, and inconvenient maintenance.

Method used

The design employs a wiring connector, where the output components of the first connector are connected in parallel and then in series with the input components. The second connector is used for current shunting, integrating fuses and temperature sensors to achieve functional protection and real-time monitoring. It can distribute current as needed and reduce wiring within the vehicle.

Benefits of technology

It effectively reduces wiring inside the vehicle, saves vehicle space, lowers costs, and improves the maintainability of automotive electrical equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a wiring connector, which comprises a first connector and at least one second connector, the first connector comprises at least two parallel first connector output components, and a first connector input component connected in series with the first connector output components, at least one first connector output component is connected with a load, and at least one first connector output component is connected with the second connector; the second connector comprises a second connector input component connected with the first connector output component, the second connector input component is connected with a plurality of second connector output components through switching or directly, and the second connector output components are used for supplying power for vehicle loads. The wiring connector can replace a vehicle body power distribution device, is more convenient to arrange in the vehicle body, more effectively utilizes the vehicle body space, reduces the arrangement of vehicle body wires, saves cost, and improves the maintainability of automobile electrical equipment.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric vehicles, and particularly relates to a wiring connector. BACKGROUND

[0002] The traditional electric vehicle integrates the power distribution function into a power distribution device or a multi-in-one device, and the wiring mode is to lead out from the battery pack to the power distribution device or the multi-in-one device, and then connect the power distribution device to the power consumption device in the front or rear cabin. However, this wiring mode has the disadvantages of high vehicle wiring cost, large installation space, high cost and inconvenience for maintenance. SUMMARY

[0003] The purpose of the application is to provide a wiring connector with a novel structure, which can reduce the wiring in the vehicle.

[0004] The purpose of the application and the technical problems thereof are achieved by adopting the following technical scheme. According to the wiring connector provided by the application, the wiring connector comprises a first connector and at least one second connector, the first connector comprises at least two parallel first connector output components, and further comprises a first connector input component connected in series with the first connector output components; at least one first connector output component is connected with a load, at least one first connector output component is connected with a second connector, the second connector comprises a second connector input component connected with the first connector output component, the second connector input component is connected with a plurality of second connector output components through direct or indirect connection, and the second connector output components are used for supplying power to the vehicle load.

[0005] The purpose of the application and the technical problems thereof are further achieved by adopting the following technical measures.

[0006] The aforementioned wiring connector, wherein one load connected with the first connector output component is a motor, and the first connector input component is connected with a power supply.

[0007] The aforementioned wiring connector, wherein the motor and the power supply are arranged in different cabins.

[0008] The aforementioned wiring connector, wherein the first connector input component is two main copper bars / large current wire harnesses, the first connector output component comprises a first output component and a second output component, the first output component is two large current wire harnesses / main copper bars, and the second output component is two small current wire harnesses / copper bars.

[0009] The aforementioned wiring connector, wherein the first connector input component is directly or indirectly connected with the first output component, and the second output component is directly or indirectly connected with the first connector input component.

[0010] The first output component and the first connector input component are connected at a position in the first connector housing, and the first connector input component and the second output component are connected at a position in the first connector housing.

[0011] The second connector of the wiring connector can be freely selected according to the space in the vehicle.

[0012] The second connector input component is a first input component and a second input component, the first input component is connected to the second output component, the second input component is connected to the second output component, the first input component and the second output component are connected to a plurality of first output components and a plurality of second output components through a switching or direct connection, and an overload protection component is arranged between the second output component and the second input component or between the first output component and the first input component.

[0013] The overload protection component is a fuse or other overload protection component, each second output component is connected to a fuse or other overload protection component through a copper bar, and each fuse is connected in series with the first input component or the second input component through a copper bar.

[0014] The housing of the second connector includes a lower housing and an upper housing fixed to the cover plate of the lower housing, the connection part of the first input component and the first output component is located in the upper housing, and the connection part of the second input component and the second output component is located in the lower housing.

[0015] Compared with the prior art, the present application has obvious advantages and beneficial effects. Through the above technical scheme, the present application can achieve considerable technical progress and practicality, and has wide industrial utilization value, and at least has the following advantages:

[0016] The first connector of the present application connects at least two output components in parallel and connects one output component in series, realizes the design of one input and at least two outputs, and can use a large-current wire component as an input end and a small-current component and a copper bar end as an output end, or use a copper bar as an input end and a large-current wire component and a small-current wire component as an output end, which can be determined according to specific requirements. The second connector of the present application uses the output component of the first connector as an input component, arranges an overload fuse at the positive electrode of the output component, and simultaneously converts the input component into a plurality of output components for connecting the body load. Thus, the wiring connector of the present application can meet different load requirements through multiple branching of one input end, and can effectively reduce the wiring in the vehicle.

[0017] And the second connector of the application can integrate safety, temperature sensor and other components for realizing functions, so as to realize protection circuit, real-time temperature monitoring and other functions.

[0018] The wiring connector can replace the body power distribution device, is more convenient to arrange in the body, more effectively utilizes the body space, reduces the arrangement of the body wire, saves the cost, and improves the maintainability of the electrical equipment of the automobile. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the first connector;

[0020] Figure 2 It is an internal schematic diagram of the first connector;

[0021] Figure 3 It is an internal switching schematic diagram of the first connector;

[0022] Figure 4 It is a structural schematic diagram of the second connector;

[0023] Figure 5 It is an internal schematic diagram of the second connector with a safety part;

[0024] Figure 6 It is an internal schematic diagram of the second connector without a safety part;

[0025] Figure 7 It is a switching schematic diagram of the second connector.

[0026]

MAIN ELEMENT SYMBOL EXPLANATION

[0027] 1: first connector

[0028] 101: large current wire harness

[0029] 102: small current wire harness

[0030] 103: main copper bar

[0031] 104: copper bar insulator

[0032] 105: first connector shell

[0033] 106: faceplate rubber ring

[0034] 107: upper cover plate

[0035] 108: tail cover

[0036] 110: first switching piece

[0037] 111: second switching piece

[0038] 2: second connector

[0039] 201: first input component

[0040] 202: second input component

[0041] 203: first output component

[0042] 204: second output component

[0043] 205: upper shell

[0044] 206: lower shell

[0045] 207: third adapter

[0046] 208: fourth adapter

[0047] 209: fuse

[0048] 210: insulating partition DETAILED DESCRIPTION

[0049] To further clarify the technical means and effects taken by the present application to achieve the predetermined object, the specific embodiments, structures, features and effects of the wiring connector according to the present application are described in detail below in combination with the drawings and preferred embodiments.

[0050] Referring to Figures 1-7 , which is a schematic diagram of the structure of the wiring connector according to the present application, the wiring connector comprises a first connector 1 and at least one second connector 2, wherein the first connector 1 has a first connector input component and at least two first connector output components, wherein the first connector output components are connected in parallel and then connected in series with the first connector input component through direct or adapter connection. The first connector input component is connected with a device, wherein at least one first connector output component is connected with a load, and at least one first connector output component is connected with the input component of the second connector 2, that is, part of the first connector output components are directly connected with the load, and part of the first connector output components are connected with the second connector 2.

[0051] In the embodiment of the present application, the first connector output components comprise a first output component and a second output component, wherein the first output component and the second output component are connected in parallel and are connected in series with the first connector input component, so that the current input by the first connector input component can be divided into two output ends, realizing the conversion of one input to two outputs, so that different output power distribution requirements can be met at the same time according to different output currents.

[0052] The second connector 2 has one input component connected with the second output component of the first connector, and the input component of the second connector is connected with multiple output components through switching or direct connection to realize the shunt function, and the second connector can be connected with different loads of the vehicle body through different output components to meet the load demand of the vehicle body.

[0053] In another embodiment of the application, the first connector output component includes a first output component, a second output component and a third output component, and the first output component, the second output component and the third output component are connected in parallel and then connected in series with the first connector input component. The second connector has two, the first output component is connected with the load, and the second output component and the third output component are respectively connected with the input end of one second connector.

[0054] In the embodiment of the application, the first connector input component is two main copper bars 103 arranged side by side and fixed at the output end in the first connector housing 105, the first output component is two large current wire harnesses 101, one of which is connected in series with one of the main copper bars 103, and the other is connected with the other main copper bar 103 to form a large current output circuit; the second output component is two small current wire harnesses 102, one of which is connected in series with one of the main copper bars 103 through the first switching piece 110, and the other is connected in series with the other main copper bar 103 through the second switching piece 111, thereby forming a small current output circuit. In other embodiments of the application, the large current wire harness 101 and the main copper bar 103 can also be connected through a switching piece, and the small current wire harness 102 and the main copper bar 103 can also be directly connected.

[0055] In other embodiments of the application, the first connector input component can also be a large current wire harness, and the first output component can also be a copper bar. The second output component can also be a small copper bar, that is, the current flow wire harness component is a copper bar / large current wire harness, the first output component is a large current wire harness / copper bar, and the second output component is a small current wire harness / copper bar, which can be freely selected and matched according to needs.

[0056] In the embodiment of the application, the first switching piece 110 and the second switching piece 111 are switching copper bars, but are not limited thereto. The switching copper bar is connected with the main copper bar 103 and the small current wire harness 102 through a screw.

[0057] In this embodiment, the output end of the main copper bar 103, the input end of the large current wire harness 101 and the input end of the small current wire harness 102 are all located in the first connector housing 105, and the first adapter 110 and the second adapter 111 are also located in the first connector housing 105, that is, the connection between different transmission components of the first connector is completed in the first connector housing 105, and the first connector housing 105 is provided with a fixed panel 1051 at the input end, and the main copper bar 103 and the fixed panel 1051 are further sealed by a sealing rubber ring 106. The outer periphery of the main copper bar 103 is further provided with a copper bar insulator 104, and the copper bar insulator 104 is located outside the first connector housing 105. In this embodiment, the main copper bar 103 is further provided with a positioning groove 1031, and the positioning groove 1031 cooperates with the boss below the spring 1041 of the copper bar insulator 104 to realize the positioning between the copper bar insulator 104 and the main copper bar 103. The output end of the first connector 1 further realizes the connection and fixation between the tail part of the large current wire harness 101 and the small current wire harness 102 and the first connector housing 105 through the tail cover 108.

[0058] In the embodiment of the present application, the device connected with the input end of the first connector is a power supply, and the load connected with the output end of the first connector is a motor. The large current line formed by the input component and the output component of the first connector in the first connection can deliver the power of the power supply to the motor, and the position where the second output component is connected with the input component of the first connector is close to the motor, so that the small current can be led from the vicinity of the motor to the second connector 2, and the power supply of other loads can be realized by the second connector 2. Therefore, when the power supply and the motor of the present application are located in different cabins of a vehicle, the power of the power supply can be led to the motor in the other cabin only by the first connector input component, and the power supply of the load near the motor can be realized by the second connector 2, thereby effectively reducing the wiring in the vehicle, and the placement position of the second connector 2 can be freely selected according to the space condition.

[0059] In the embodiment of the present application, the input components of the second connector 2 are respectively a first input component 201 and a second input component 202, wherein the first input component 201 is connected with the negative pole of the small current output end of the first connector 1, that is, connected with the negative pole of the small current wire harness, and the second input component is connected with the positive pole of the small current output end of the first connector 1, that is, connected with the positive pole of the small current wire harness. In other embodiments, the first input component 201 is connected with the positive pole of the small current output end, and the second input component is connected with the negative pole of the small current output end.

[0060] In this embodiment, the first input component 201 and the second input component 202 are both wires, but in other embodiments, the first input component 201 and the second input component 202 can also be copper bars.

[0061] In this embodiment, the first input component 201 is connected to three first output components 203 via an adapter to achieve the shunting of the negative current, and the second input component 202 is connected to three second output components 204 via an adapter to achieve the shunting of the negative current.

[0062] Specifically, the first input component 201 is connected to the three first output components 203 via a fourth adapter 208. Preferably, the fourth adapter 208 is an adapter copper busbar, and the first input component 201 and the three first output components 203 are all fixedly connected to the adapter copper busbar by screws, thereby realizing the parallel connection of the three first output components 203 and the series connection of the first output component 203 with the first input component 201. In other embodiments, the first output component 201 is directly connected to the multiple first output components 203.

[0063] In this embodiment, the second input component 202 is connected to three second output components 204 via an adapter component, and each second output component 204 is further provided with an overload protection component between itself and the second output component 202 to achieve overload protection for each second output component 204. The overload protection component is a fuse 209 or other overload protection element. In this embodiment, the overload protection component is a fuse 209. Specifically, the adapter component includes one fourth adapter 208 and six third adapters 207, wherein the third adapters 207 are grouped in pairs, and the two third adapters 207 in each group are connected via fuses 209, and the other end of each group of third adapters is connected to the fourth adapter 208 and one second output component 204 respectively. The fourth adapter 208 is connected to the second input component 202, thereby realizing the shunting of the positive current of the second connector and overload protection. Preferably, the third adapter is an adapter copper busbar, and the connection between the above components is achieved by screws. In other embodiments, the second input component 202 is directly connected to a plurality of second output components 204. Furthermore, when the first input component is connected to a positive current with a small current output, an overload protection component is located between the first input component and the first output component.

[0064] In other embodiments of the present invention, a temperature sensor is connected in series between at least one first output component 203 and the first input component 201 or between at least one second output component 204 and the second input component 202 to monitor the temperature of the load circuit in real time.

[0065] Other functional modules may be connected in series as needed between the first output component 203 and the first input component 201, or between the second output component 204 and the second input component 202.

[0066] In this embodiment of the invention, the first output component 203 and the second output component 204 are both load harnesses, but are not limited to this.

[0067] In this embodiment of the invention, the connection portions of the first input component 201 and the first output component 203, and the connection portions of the second input component 202 and the second output component 204, are both located within the second connector housing. Preferably, the second connector housing includes an upper housing 205 and a lower housing 206, wherein the upper housing 205 is fixed to the cover plate of the lower housing 206, and the internal spaces between the upper housing 205 and the lower housing 206 do not affect each other. The connection portions of the first input component 201 and the first output component 203 are located within the upper housing 205, and the connection portions of the second input component 202 and the second output component 203 are located within the lower housing 206. The lower housing 206 also contains an insulating partition 210 for spacing between components. The outer edge of the bottom of the lower housing 203 also has a raised edge, which is fixed within the vehicle compartment via screw holes on the raised edge.

[0068] In this embodiment of the invention, the input component and the output component are both high-voltage output components and high-voltage input components, but are not limited to this.

[0069] The wiring connector of this invention integrates the branching function and overload protection function of vehicle power distribution equipment. The branching function can realize one-to-many or many-to-many branching. The output end of the second connector can be converted to different numbers according to the needs. The connector of this invention can realize the installation of the device end (such as the connection between the motor and the power supply) through the first connection. The load current is distributed through the wire-to-wire connection between the second connector and the second connector. The second load circuit integrates the overload protection function, which can effectively prevent overload.

[0070] The wiring connector of this invention can replace the vehicle body electrical distribution equipment, making it easier to install in the vehicle body, making more efficient use of vehicle body space, reducing the layout of vehicle body wires to save costs, and improving the maintainability of automotive electrical equipment.

[0071] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A wiring connector, characterized in that: The system includes a first connector and at least one second connector. The first connector includes at least two first connector output components connected in parallel, and a first connector input component connected in series with the first connector output components. The first connector input component is two main copper busbars or high-current wire harnesses. The first connector output component includes a first connector first output component and a first connector second output component. The first connector first output component is two high-current wire harnesses or main copper busbars, and the first connector second output component is two low-current wire harnesses or copper busbars. The two high-current wire harnesses or main copper busbars are directly and directly fixedly connected to the two main copper busbars or high-current wire harnesses serving as the first connector input component by screws. The two high-current wire harnesses or main copper busbars are connected to the load, and the two low-current wire harnesses or copper busbars are connected to the second connector. The second connector includes a second connector input component, which is connected to multiple devices directly or via an adapter. The second connector output component is connected to a second connector output component, which is used to supply power to the vehicle load. The second connector input component is a first input component and a second input component respectively connected to the two small current wire harnesses or copper busbars. The first input component and the second input component are respectively connected to multiple second connector first output components and multiple second connector second output components through adapters or direct connection. Each second connector second output component and the second input component are provided with an overload protection component. The multiple second connector first output components and multiple second connector second output components constitute the second connector output component. The housing of the second connector includes a lower housing and an upper housing fixed to the lower housing cover plate. The connection part between the first input component and the second connector first output component is located in the upper housing, and the connection part between the second input component, the second connector second output component and the overload protection component is located in the lower housing.

2. The wiring connector according to claim 1, characterized in that: The first connector input component is connected to the device.

3. The wiring connector according to claim 2, characterized in that: The load connected to the output component of the first connector includes a motor; the device is a power source, and the motor and the power source are separately configured.

4. The wiring connector according to claim 1, characterized in that: The positions where the first output component of the first connector is connected to the first input component of the first connector and the positions where the first input component of the first connector is connected to the second output component of the first connector are both located in the first connector housing.

5. The wiring connector according to claim 1, characterized in that: The fixed position of the second connector can be freely selected according to the interior space of the vehicle.

6. The wiring connector according to claim 1, characterized in that: The overload protection component is a fuse or other overload protection device. Each second output component is connected to a fuse or other overload protection device via a copper busbar. Each fuse is connected in series with the first input component or the second input component via a copper busbar.

Citation Information

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