Wire harness assembly for connecting electric element, switch and power supply

Abstract

The utility model relates to a wire harness assembly for connecting an electric element, a switch and a power supply, which comprises a circuit board for switching a circuit, the switch for controlling the overall current, and a power supply connecting clip for connecting the power supply, a plurality of wires for connection extend out of the circuit board, the extending tail end of a second loop wire is electrically connected with the switch, and the switch is electrically connected with the circuit board. The extending tail end of the third loop wire is electrically connected with the power supply connecting clamp, the switch is electrically connected with the power supply connecting clamp through the first loop wire, and the electric element, the circuit board, the switch and the power supply connecting clamp connected with the power supply form a loop through the first electric wire and the second electric wire which are connected. The circuit board is used as an integral circuit adapter board, so that the wiring harness is integrated and does not need to be connected independently, the switch is installed on the circuit board, the whole circuit board is used as an external connection part of the battery pack, and the first electric wire and the second electric wire reserved on the circuit board are connected with the electric elements, so that the whole mounting structure is simple, the mounting is convenient, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harnesses, in particular to a wire harness assembly connecting electrical elements, switches and a power source. Background Art

[0002] Many large devices are equipped with battery packs, which serve as driving force. The output end of the battery pack is connected to the wiring harness, which is connected to the input line of the electrical component. A switch for controlling the on and off of the current must be installed on the wiring harness path between the battery pack and the electrical component. Many wiring terminals must be left. If each wiring terminal has poor contact or is exposed, it will affect the use and safety of the entire circuit. In addition, the length of the wiring harness is difficult to control, and the overall installation is rather messy. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a wiring harness assembly connecting electrical components, switches and power supplies, so as to solve the problem that the wiring harness has many overall wiring terminals, is inconvenient to install and is prone to quality problems.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a wiring harness assembly connecting an electrical component, a switch and a power supply, including a circuit board for switching circuits, a switch for controlling the overall current, and a power connection clip for connecting the power supply, a plurality of connecting wires extend from the circuit board, a second loop wire and a third loop wire electrically connected internally extend from the circuit board, the extended end of the second loop wire is electrically connected to the switch, the extended end of the third loop wire is electrically connected to the power connection clip, the switch and the power connection clip are electrically connected through the first loop wire, a first wire for connecting the electrical component and an adjacent second wire extend from the circuit board, and the electrical component forms a loop through the connected first wire, second wire, the circuit board, the switch and the power connection clip after the power supply is connected.

[0005] As a preferred embodiment, one end of a first protective wire is also connected to the switch, the other end of the first protective wire is connected to the circuit board, one end of a second protective wire is also connected to the power connection clip, and the first protective wire and the second protective wire are connected to each other in the circuit board.

[0006] As a preferred implementation, the first protection conductor is a normally closed circuit, namely, an NC circuit, and the second protection conductor is a thermistor circuit, namely, an NTC circuit.

[0007] As a preferred embodiment, a power display light is also provided on the circuit board.

[0008] As a preferred embodiment, the power connection clip is electrically connected to the output terminal of the battery pack.

[0009] As a preferred implementation scheme, the relative position of the first loop wire on the power connection clip is connected to the positive electrode of the battery pack, and the relative position of the third loop wire on the power connection clip is connected to the negative electrode of the battery pack.

[0010] The beneficial effects of the utility model are as follows: the circuit connected to the power connection clip, the connection wires of the switch, and the connection wires of the electrical components are all sealed and fixed on the same circuit board, and the various related circuits are connected inside the circuit board. The circuit board serves as an integral circuit adapter board to integrate the wiring harness without the need for separate connections. The switch has been installed on the circuit board and the whole serves as an external connection part of the battery pack. The first electrical wires and the second electrical wires left on the circuit board can be connected to the electrical components, making the overall installation structure simple, convenient to install, and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 1 Explanation of the reference numerals in the figure: 1. circuit board; 2. switch; 3. power connection clip; 4. first loop wire; 5. first protection wire; 6. second protection wire; 7. second loop wire; 8. third loop wire; 9. power display light; 10. first power wire; 11. second power wire. DETAILED DESCRIPTION

[0014] The specific implementation scheme of the utility model is described in detail below in conjunction with the accompanying drawings.

[0015] like Figure 1 The wiring harness assembly shown for connecting electrical components, switches and power supplies comprises a circuit board 1 for switching circuits, a switch 2 for controlling the overall current, and a power connection clip 3 for connecting the power supply. A plurality of connecting wires extend from the circuit board 1. A second loop wire 7 and a third loop wire 8 which are electrically connected internally extend from the circuit board 1. The extending end of the second loop wire 7 is electrically connected to the switch 2, and the extending end of the third loop wire 8 is electrically connected to the power connection clip 3. The switch 2 and the power connection clip 3 are electrically connected via a first loop wire 4. A first wire 10 and an adjacent second wire 11 for connecting electrical components extend from the circuit board 1. The electrical components form a loop with the circuit board 1, the switch 2 and the power connection clip 3 after the power supply is connected through the connected first wire 10 and the second wire 11.

[0016] Specifically, the power connection clip 3 is connected to the switch 2 through the first loop wire 4, the switch 2 is connected to the second power wire 11 on the circuit board 1 through the second loop wire 7, the second power wire 11 is connected to the electrical component, the electrical component is connected to the first power wire 10, the first power wire 10 is connected to the third loop wire 8 in the circuit board 1 to form a loop, the third loop wire 8 is connected to the battery pack through the power connection clip 3, and the other end of the power connection clip 3 connected to the battery pack is connected to the switch 2 through the first loop wire 4 to form a complete loop.

[0017] The switch 2 is also connected to one end of a first protection wire 5, the other end of the first protection wire 5 is connected to the circuit board 1, the power connection clip 3 is also connected to one end of a second protection wire 6, and the first protection wire 5 and the second protection wire 6 are connected to each other in the circuit board 1. When the current is overloaded, the first protection wire 5 and the second protection wire 6 are disconnected, so that a loop cannot be formed in the switch 2 and the power connection clip 3.

[0018] Furthermore, the first protection wire 5 is a normally closed circuit, namely, an NC circuit, and the second protection wire 6 is a thermistor circuit, namely, an NTC circuit. The normally closed circuit NC circuit and the thermistor circuit NTC circuit are commonly used protection circuits.

[0019] In addition, the circuit board 1 is also provided with an electric energy display lamp 9. The electric energy display lamp 9 is connected to the circuit of the first power line 10 and the third loop wire 8 inside the circuit board 1 to reflect whether there is current as a whole.

[0020] The power connection clip 3 is electrically connected to the output end of the battery pack and is responsible for connecting the battery pack.

[0021] In addition, the first loop wire 4 on the power connection clip 3 is relatively connected to the positive electrode of the battery pack, and the third loop wire 8 on the power connection clip 3 is relatively connected to the negative electrode of the battery pack.

[0022] The working process of the utility model is as follows:

[0023] According to Figure 1, first, the extended connection ends of the first wire 10 and the second wire 11 are connected to an electrical component such as a motor, the power connection clip 3 is connected to the power output end of the battery pack, and then, the switch 2 is opened or closed to control the rotation of the motor.

[0024] The above embodiments are only illustrative of the principles and effects of the invention of the utility model, as well as some embodiments of its application, and are not intended to limit the invention of the utility model. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the invention, and all of these belong to the protection scope of the invention.

Claims

1. A wiring harness assembly connecting electrical components, switches and power supplies, characterized in that: The invention comprises a circuit board (1) for switching circuits, a switch (2) for controlling the overall current, and a power connection clip (3) for connecting to a power source. A plurality of connecting wires extend from the circuit board (1). A second loop wire (7) and a third loop wire (8) electrically connected to each other extend from the circuit board (1). The extending end of the second loop wire (7) is electrically connected to the switch (2). The extending end of the third loop wire (8) is electrically connected to the power connection clip (3). The switch (2) and the power connection clip (3) are electrically connected via a first loop wire (4). A first wire (10) and an adjacent second wire (11) for connecting an electrical element extend from the circuit board (1). The electrical element forms a loop with the circuit board (1), the switch (2), and the power connection clip (3) after being connected to the power source via the connected first wire (10) and the second wire (11).

2. The wiring harness assembly for connecting electrical components, switches and power sources according to claim 1, characterized in that: The switch (2) is also connected to one end of a first protection conductor (5), the other end of the first protection conductor (5) is connected inside the circuit board (1), the power connection clip (3) is also connected to one end of a second protection conductor (6), and the first protection conductor (5) and the second protection conductor (6) are connected inside the circuit board (1).

3. The wiring harness assembly for connecting electrical components, switches and power sources according to claim 2, characterized in that: The first protection conductor (5) is a normally closed circuit, i.e., an NC circuit, and the second protection conductor (6) is a thermistor circuit, i.e., an NTC circuit.

4. The wiring harness assembly for connecting electrical components, switches and power sources according to claim 1, characterized in that: The circuit board (1) is also provided with an electric energy display light (9).

5. The wiring harness assembly for connecting electrical components, switches and power sources according to claim 1, characterized in that: The power connection clip (3) is electrically connected to the output end of the battery pack.

6. The wiring harness assembly for connecting electrical components, switches and power sources according to claim 5, characterized in that: The first loop wire (4) on the power connection clip (3) is relatively connected to the positive electrode of the battery pack, and the third loop wire (8) on the power connection clip (3) is relatively connected to the negative electrode of the battery pack.

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