CN210379479U

CN210379479U - Safe and reliable's control line

Info

Publication number: CN210379479U
Application number: CN201921377512.4U
Authority: CN
Inventors: 张友明
Original assignee: Zhongshan Liqun Electronic Co ltd
Current assignee: Zhongshan Liqun Electronic Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-04-21
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a safe and reliable's control line, include: the system comprises a control bus and at least two control branches; the circuit board is provided with a bus connecting end group and a branch connecting end group, the bus connecting end group is electrically connected with the branch connecting end group, the control bus is connected with the bus connecting end group, and the control branch is connected with the branch connecting end group. The control branch line passes through circuit board and control bus electric connection, can fix the heart yearn of control branch line and control bus's heart yearn, prevents to contact each other between the different heart yearns of control branch line or between the heart yearn of control bus, avoids the condition of short circuit to take place, simultaneously through the welded mode on the circuit board, the simple operation improves production efficiency.

Description

Safe and reliable's control line

Technical Field

The utility model relates to a control field especially relates to the control line.

Background

For devices with many components, such as an electric vehicle including a motor, an illuminating lamp, a turn signal lamp, a crank, a brake crank, a control panel, etc., in order for the electric vehicle to work normally, it is necessary to connect the control element and the controlled element through a control line, for example, the crank is connected with the motor through a control line to control the rotation speed of the motor. If all use independent control line to be connected between every control and the controlled piece, can lead to the quantity of control line too much, increase cost to the problem that the line is in disorder is easily led to the line difficulty of independent control line.

Therefore, through the structures of the control bus and the control branch lines, the control branch lines are connected with the control member and then collected on the control bus, and when the control bus is close to the controlled member, the control branch lines are separated to be connected with the controlled member, so that the use amount of the control lines can be reduced, and the arrangement and routing are facilitated.

In the prior art, when the control branch lines are collected on the control bus, the control branch lines are directly welded with the wire cores of the control bus, and after the control branch lines are welded, the situation of contact short circuit easily occurs between different core wires of the control bus or different core wires of the control branch lines, so that potential safety hazards exist, and the mode of directly welding the core wires of the control branch lines and the core wires of the control bus is troublesome to operate.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a safe and reliable's control line, it can prevent to contact each other between the different heart yearns of control bus or the different heart yearns of control branch line, prevents that the short circuit condition from taking place, can reduce wiring wrong emergence probability simultaneously.

The utility model provides a technical scheme that its technical problem provided is:

a safe and reliable control line comprising:

the system comprises a control bus and at least two control branches;

the circuit board is provided with a bus connecting end group and a branch connecting end group, the bus connecting end group is electrically connected with the branch connecting end group, the control bus is connected with the bus connecting end group, and the control branch is connected with the branch connecting end group.

Preferably, the circuit board is circular and perpendicular to the length direction of the control bus, the bus connection end group is located on one side surface of the circuit board, and the branch line connection end group is located on the other side surface of the circuit board.

Preferably, the circuit board is provided with at least two wiring holes, the control bus comprises at least two first cores, the control branch line comprises at least one second core, the wiring holes can allow the first cores and/or the second cores to pass through, the bus connection end group comprises a first welding layer arranged on one side edge of the wiring holes, the connection end group comprises a second welding layer arranged on the other side edge of the wiring holes, and the first welding layer and the second welding layer on two sides of the same wiring hole are electrically connected with each other.

Preferably, one of the wiring holes is located at the center of the circuit board, and the rest of the wiring holes are uniformly distributed at the edge of the circuit board.

Preferably, the first core is provided with a first identification layer, the first identification layers of different first cores are different in color, the second core is provided with a second identification layer, and the second identification layers of different second cores are different in color.

Preferably, the protective shell is sleeved on the circuit board, the end part of the control bus connected with the circuit board and the end part of the control branch line connected with the circuit board.

Preferably, the protective housing is an injection molding, and the protective housing is integrally formed on the circuit board, the control bus and the control branch line.

Preferably, the end of the control branch connected with the external component is provided with a plug.

The utility model has the advantages that: the control branch line passes through circuit board and control bus electric connection, can fix the heart yearn of control branch line and control bus's heart yearn, prevents to contact each other between the different heart yearns of control branch line or between the heart yearn of control bus, avoids the condition of short circuit to take place, improves security and reliability, simultaneously through the welded mode on the circuit board, the simple operation improves production efficiency.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a schematic diagram of one embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of the connection of the control bus, the control branch and the circuit board;

fig. 3 is a cross-sectional view of the present invention at one side of a circuit board;

fig. 4 is a cross-sectional view of the present invention at the other side of the circuit board.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1, fig. 3 and fig. 4, the utility model provides a safe and reliable's control line, include:

a control bus 10 and at least two control branches 20;

the circuit board 30 is provided with a bus connection terminal group 40 and a branch connection terminal group 50, the bus connection terminal group 40 is electrically connected with the branch connection terminal group 50, the control bus 10 is connected with the bus connection terminal group 40, and the control branch 20 is connected with the branch connection terminal group 50.

The control branch line 20 is electrically connected with the control bus 10 through the circuit board 30, core wires of the control branch line 20 and core wires of the control bus 10 can be fixed, mutual contact between different core wires of the control branch line 20 or between core wires of the control bus 10 is prevented, the short circuit condition is avoided, safety and reliability are improved, and meanwhile, the operation is convenient and fast, and the production efficiency is improved through a welding mode on the circuit board 30.

Referring to fig. 3 and 4, as a preferred embodiment, the circuit board 30 has a circular shape and the circuit board 30 is perpendicular to the length direction of the control bus 10, the bus bar connection terminal group 40 is located on one side surface of the circuit board 30, and the branch line connection terminal group 50 is located on the other side surface of the circuit board 30. Because the cross section of the control bus 10 is generally circular, the circuit board 30 is designed to be circular to match with the shape of the control bus 10, which is beneficial to reducing the whole volume, and the circular circuit board 30 is parallel to the cross section of the control bus 10, and the bus connection terminal group 40 and the branch line connection terminal group 50 are respectively arranged on two side surfaces of the circular circuit board 30, which can be used as an interface between the core wire of the control bus 10 and the core wire of the control branch line 20, which is beneficial to facilitating the connection between the control bus 10 and the control branch line 20.

Referring to fig. 3 and 4, as a preferred embodiment, the circuit board 30 is provided with at least two wiring holes 60, the control bus 10 includes at least two first cores 11, the control branch 20 includes at least one second core 21, the wiring holes 60 can allow the first cores 11 and/or the second cores 21 to pass through, the bus connection terminal group 40 includes a first soldering layer 41 disposed on one side edge of the wiring holes 60, the connection terminal group includes a second soldering layer 51 disposed on the other side edge of the wiring holes 60, and the first soldering layer 41 and the second soldering layer on both sides of the same wiring hole 60 are electrically connected to each other.

In order to further prevent the mutual contact between different first cores 11 or different second cores 21, the first cores 11 and the second cores 21 to be connected with each other extend into one wiring hole 60, and are welded on two sides of the wiring hole 60, so that the first cores 11 are connected with the first welding layer 41, the second cores 21 are connected with the second welding layer 51, and further the first cores 11 are electrically connected with the corresponding second cores 21, and in this way, the different first cores 11 and the different second cores 21 can be isolated through the different wiring holes 60, the mutual contact is avoided, and the reliability is improved. Meanwhile, under the condition that the cross sections of the circuit board 30 and the control bus 10 are parallel, the surface welding mode of the wiring hole 60 on the circuit board 30 is relatively not used, the first core wire 11 and the second core wire 21 extend into the wiring hole 60 along the extending length direction, the welding end does not need to be bent, the operation is simpler and more convenient, and the extending welding mode is firmer and more reliable.

Referring to fig. 3 and 4, in order to further facilitate the operation and to fully utilize the area of the circuit board 30, one of the wiring holes 60 is located at the center of the circuit board 30, and the remaining wiring holes 60 are uniformly distributed at the edge of the circuit board 30.

In the case where the wire is thin, that is, the cross-sectional area of the control bus 10 is small, the area of the circular circuit board 30 is also limited to be small, and it is necessary to rationally design the positions of the wiring holes 60 so that a larger number of wiring holes 60 can be provided, the circumference of the edge of the circular circuit board 30 is the longest, more wiring holes 60 can be provided, the wiring holes 60 are arranged at the edge of the circuit board 30, and one wiring hole 60 is provided at the center, so that the area of the circuit board 30 can be fully utilized. Meanwhile, when the wiring hole 60 is located at the edge of the circular circuit board 30, the first core wire 11 and the second core wire 21 can extend into the wiring hole 60 along the radial direction of the circular circuit board 30, and do not need to extend into the wiring hole from the axial direction, so that the operation is more convenient and faster when welding is performed, and the efficiency is improved.

Referring to fig. 2, in order to facilitate identification of different first cores 11 and different second cores 21, the first cores 11 are provided with first identification layers different in color from the first identification layers of the first cores 11, and the second cores 21 are provided with second identification layers different in color from the second identification layers of the second cores 21. The first core wire 11 and the second core wire 21 can be rapidly identified in the mode that the colors of the first identification layers of different first core wires 11 are different and the colors of the second identification layers of different second core wires 21 are different, so that the first core wire 11 and the corresponding second core wires 21 can be selected to be electrically connected, and the efficiency is improved.

As a preferred embodiment, the device further comprises a protective shell 70, wherein the protective shell 70 is sleeved on the circuit board 30, the end of the control bus 10 connected with the circuit board 30, and the end of the control branch line 20 connected with the circuit board 30.

The control bus 10 also typically includes a first protective layer that is wrapped around all of the first cords 11, and the control leg 20 also includes a second protective layer that is wrapped around all of the second cords 21 of the same control leg 20. The protective shell 70 is sleeved on the circuit board 30, the first protective layer and the second protective layer of different control branches 20, so as to protect the circuit board 30 from collision damage, and simultaneously, to be beneficial to preventing the first core wire 11 and the second core wire 21 from separating from the circuit board 30 under the action of external force.

As a preferred embodiment of the protective case 70, the protective case 70 is an injection molded part, and the protective case 70 is integrally molded on the circuit board 30, the control bus 10, and the control branch lines 20. Make protective housing 70 cup joint on circuit board 30, first protective layer and second protective layer through the mode of the integrated into one piece that moulds plastics for it is inseparabler to connect, is favorable to improving waterproof performance, and protective housing 70 is more firm.

Referring to fig. 1, to facilitate connection with an external component, the end of the control branch 20 to which the external component is connected is provided with a plug 80. The plug 80 is connected with external parts such as a control part and a controlled part, so that the use is more convenient.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. A safe and reliable control line, comprising:

a control bus (10) and at least two control branches (20);

the circuit board (30) is provided with a bus connecting end group (40) and a branch connecting end group (50), the bus connecting end group (40) is electrically connected with the branch connecting end group (50), the control bus (10) is connected with the bus connecting end group (40), and the control branch (20) is connected with the branch connecting end group (50).

2. A safety and reliable control line as claimed in claim 1, wherein: the circuit board (30) is circular, the circuit board (30) is perpendicular to the length direction of the control bus (10), the bus connecting end group (40) is located on one side face of the circuit board (30), and the branch connecting end group (50) is located on the other side face of the circuit board (30).

3. A safety and reliable control line as claimed in claim 2, wherein: the circuit board (30) is provided with two at least wiring holes (60), the control bus (10) includes two piece at least first heart yearns (11), control branch line (20) includes an at least second heart yearn (21), wiring hole (60) can allow first heart yearn (11) and/or second heart yearn (21) pass, bus connection end group (40) are including setting up first welding layer (41) on one side edge of wiring hole (60), connection end group is including setting up second welding layer (51) on wiring hole (60) the opposite side edge, first welding layer (41) and the mutual electric connection of second layer of same wiring hole (60) both sides.

4. A safety and reliable control line as claimed in claim 3, wherein: one of the wiring holes (60) is located at the center of the circuit board (30), and the rest of the wiring holes (60) are uniformly distributed at the edge of the circuit board (30).

5. A safety and reliable control line as claimed in claim 3, wherein: the first core wire (11) is provided with a first identification layer, the colors of the first identification layers of different first core wires (11) are different, the second core wire (21) is provided with a second identification layer, and the colors of the second identification layers of different second core wires (21) are different.

6. A safety and reliable control line as claimed in claim 1, wherein: the protective shell (70) is sleeved on the circuit board (30), the end part of the control bus (10) connected with the circuit board (30) and the end part of the control branch line (20) connected with the circuit board (30).

7. A safety and reliable control line as claimed in claim 6, wherein: the protective housing (70) is an injection molding piece, and the protective housing (70) is integrally formed on the circuit board (30), the control bus (10) and the control branch lines (20).

8. A safety and reliable control line as claimed in claim 1, wherein: the end part of the control branch line (20) connected with the external component is provided with a plug-in connector (80).