CN218456158U

CN218456158U - Control module connecting device and control circuit board layout structure

Info

Publication number: CN218456158U
Application number: CN202221399509.4U
Authority: CN
Inventors: 袁廷华
Original assignee: HEFEI CHUANGYUAN VEHICLE CONTROL TECHNOLOGY CO LTD
Current assignee: HEFEI CHUANGYUAN VEHICLE CONTROL TECHNOLOGY CO LTD
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-02-07
Anticipated expiration: 2032-06-06

Abstract

The utility model provides a control module connecting device and a control circuit board structure, which comprises a control unit shell and a control circuit board, wherein the control circuit board is arranged in the shell; a plurality of grooves are arranged on one side of the control circuit board at intervals, an electric pin which is connected with the outside is arranged at each groove, a through window is arranged on the shell side of the groove side for installing the circuit board so as to expose the grooves of the control board, and meanwhile, the through window and the grooves of the control circuit board are arranged as a connector female end of the control module, so that the control unit shell and the control circuit board directly realize a control unit with a female end connector; the invention belongs to the field of electronic control, and the control circuit board and the control unit shell form a control module with a female terminal, which has the advantages of simple structure, small volume and high reliability and low cost because the female terminal of a connector does not need to be welded on the control circuit board any more.

Description

Control module connecting device and control circuit board layout structure

Technical Field

The utility model belongs to control module control connection field especially relates to a control module connecting device and control circuit board overall arrangement.

Background

The external connection of the control circuit board in the control module usually adopts a board-to-wire connection mode, in the connection mode, an external connection terminal is welded on the control circuit board, a male end or a female end of the external connection is formed on the basis of the connection terminal, and then the external connection terminal is connected with a connector on a wiring harness in an opposite inserting mode, so that a connection path is formed.

In a vehicle control system, the control system is divided into a plurality of control areas, such as a front cabin control, an indoor floor control, a left and right door control, and the like, and a controller is required to control these. When the controller is controlled, the controller needs to be externally connected, the adoption of the connection mode not only wastes time and labor, but also prevents the connection of the welded or crimped connection contact points from vibrating for a long time, and the reliability cannot be guaranteed.

In addition, in some places with high integration and high control performance requirements, the requirements on space utilization are also high, and the external connection mode of the existing control module is not favorable for saving space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a control module connecting device and control circuit board layout structure to the solution utilizes setting up of control circuit board itself to form the female end of connector and improve control performance, solve the radiating technical problem of circuit board simultaneously.

In order to achieve the technical problem, the utility model provides a control module connecting device, which comprises a shell and a control circuit board arranged in the shell, wherein one side surface of the shell, which is perpendicular to the control circuit board, is provided with an opening, one side of the control circuit board, which is close to the opening, is provided with a plurality of grooves at intervals, the inner edge and the outer edge of each groove are provided with connecting pins, and the shell, the control circuit board and the opening form a female end of the control module connecting device; the control module connecting device further comprises a base and a plurality of terminal tables integrally connected with the base, wherein terminals are arranged on two sides of each terminal table, and the base, the terminal tables and the terminals form a male end of the control module connecting device; the terminal blocks are arranged at positions corresponding to the grooves one to one, when the male end and the female end of the connecting device are connected in an opposite inserting mode, the terminal blocks are connected into the grooves one to one, and meanwhile the terminals are in contact connection with the corresponding connecting pins to form a connecting path of the control module connecting device.

Further, a connecting pin is arranged inside the groove and on the outer edge of the groove.

Furthermore, the length of the terminal block is smaller than the length of the terminal, and the terminals on the two sides of the terminal block are pressed in the grooves to be in mutual contact with each other and connected with one connecting pin.

Further, two connecting pins are formed inside and on the outer side edge of the groove.

Furthermore, the length of the terminal block is approximately consistent with the length of the terminal, and the terminals on two sides of the terminal block are extruded in the grooves and cannot be contacted with the terminals, and are respectively connected with the two connecting pins.

Furthermore, a connecting pin is arranged in the groove and on the outer edge part, and one connecting pin is used for being simultaneously connected with the terminals on two sides of each terminal table; the part sets up two connecting pin, and two connecting pin are used for being connected respectively with the terminal of every terminal platform both sides.

In order to realize the technical problem, the utility model also provides a control circuit board layout structure, which comprises a control circuit board and a plurality of grooves arranged at intervals on one side of the control circuit board, and connecting pins are arranged inside each groove and at the outer edge; the power electronic switch is arranged on the control circuit board, the power electronic switch is arranged close to the connecting pin, and a power output pin of the power electronic switch is formed by a large-area ground copper foil and is connected with the connecting pin.

The utility model has the advantages of it is following:

1. the shell and the control circuit board are combined to naturally form a female end of the connecting device, and a female end connector is not required to be additionally arranged. The groove of the control circuit board is provided with a connecting pin, and after the male end and the female end are matched and connected, the male end terminal enters the groove to be correspondingly connected with the connecting pin in a contact manner, so that a conducted information or current transmission path is formed. The connection between the two can be realized through a simple plugging mode, and the traditional connection mode is cancelled.

2. On the other hand, the device realizes the integration of the structure and the function, simplifies the structure, reduces the volume, does not need to be connected by welding wires, increases the connection reliability and reduces the cost.

3. Based on control module connecting device's female end structure, connecting pin and control circuit board internal connection line can form power electronic switch's power output pin by the copper foil of laying ground by a large scale, and power electronic switch arranges near connecting pin moreover, and connecting line shortens, and resistance reduces, and the heat dissipation increases heat radiating area simultaneously less.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of the present invention;

fig. 3 is a schematic view of a connection pin and terminal according to an embodiment of the present invention;

fig. 4 is a schematic view of a second embodiment of the present invention;

fig. 5 is a schematic diagram of a third connection pin and a terminal according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of an embodiment of the present invention;

fig. 7 is a schematic perspective view of a second embodiment of the present invention;

FIG. 8 is an enlarged view of the point B of the present invention;

fig. 9 is an enlarged view of the utility model at the position C;

fig. 10 is a schematic diagram of the circuit board layout structure of the present invention.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

Referring to fig. 1 to 9, a control module connecting device includes a housing 1, a control circuit board 3 and a housing cover plate, the control circuit board 3 is installed in the housing 1, and an opening 11 is provided on one side surface of the housing 1 perpendicular to the control circuit board 3.

The control circuit board 3 is provided with a plurality of grooves 31 at intervals on one side close to the opening 11, the inner part and the outer side edge of each groove 31 are provided with connecting pins 32 to form a female terminal electrode which is externally connected, and the connecting pins 32 can be formed by tinning, gilding or silvering.

The control circuit board 3 is mounted in the housing 1, covering the cover plate of the housing, the housing 1, the control circuit board 3 and the opening 11 forming the female end of the control module connection device.

The control module connecting device further comprises a base 2 and a plurality of terminal blocks 21 integrally connected with the base 2, terminals 4 are mounted on two sides of each terminal block 21, the terminals 4 are bent, and a passage for communicating the terminals 4 is further formed in the base 2.

The base 2, the terminal block 21 and the terminals 4 form the male end of the control module connecting device.

The terminal block 21 is disposed in a one-to-one correspondence with the grooves 31, and when the male and female terminals of the connection device are connected by mating, the terminal block 21 is connected to the grooves 31 in a one-to-one correspondence, and the terminals 4 are connected to the connection pins 32 in a contact manner, thereby forming a connection path of the control module connection device.

The width of the groove 31 is smaller than the total height formed by bending the terminal 4 at two sides of the terminal block 21, when the terminal 4 is in contact connection with the connecting pin 32, the groove 31 extrudes the terminal 4 to form a certain extrusion elastic force, so that the contact area of the terminal 4 and the connecting pin 32 can be increased, and the connection reliability can be improved.

Example one

Referring to fig. 3 in particular, in some cases, the inside and outside edges of the groove 31 are plated with a conductive metal layer to form a connection pin 32, the length of the terminal block 21 extending out is smaller than the length of the terminal 4, when connecting, after the terminal 4 is pressed in the groove 31, in one groove 31, the terminals 4 on both sides of each terminal block 21 contact with each other under the action of the pressing force, and the two terminals 4 form a connection path to improve the transmission flow rate, which can be used for transmitting large current in specific applications.

Example two

Referring to fig. 4 in particular, in some cases, the inside and the outer edge of the groove 31 are not plated with the conductive metal layer, the metal plating layer is broken at the center of the inside and the outer edge of the groove 31 to form two connecting pins 32, the length of the terminal block 21 extending out is substantially the same as the length of the terminal 4, when connecting, the terminal 4 will not contact with the terminal 4 on both sides of each terminal block 21 after the terminal 4 is pressed in the groove 31, and in one groove 31, the two terminals 4 form two connecting paths, which can be used for transmitting small current and signal information in specific applications.

EXAMPLE III

Referring to fig. 5 in detail, in some cases, the connection condition between the connection pins 32 and the terminals 4 in fig. 3 and 4 exists, the inside and outside edges of some grooves 31 on the control circuit board 3 are plated with conductive metal layers to form one connection pin 32, and when the terminals 4 are pressed in the grooves 31 during connection, the terminals 4 on both sides of each terminal block 21 contact each other; the inner and outer edges of the other grooves 31 are not plated with the conductive metal layer, and the metal plating is broken at the center of the inner and outer edges of the grooves 31 to form two connecting pins 32, so that the terminals 4 on both sides of each terminal block 21 do not contact during connection.

The utility model discloses be equipped with a control circuit board 3 in casing 1, be equipped with on control circuit board 3's recess 31 and connect pin 32, the back is connected in the cooperation of the female end of public end, and public end terminal 4 gets into in the recess 31 and is connected with the contact of being connected pin 32 correspondence, forms the information or the current transmission route that switch on, is convenient for realize integrating of structure and function, and the device has simplified the structure, has reduced the volume, no longer the bonding wire is connected, increases the connection reliability to reduce cost.

See fig. 10, the utility model also provides a control circuit board layout structure, including control circuit board 3 and control circuit board 3 one side on the spaced a plurality of recesses 31 that set up, the inside and outside edge tinning of each recess 31, gild or silvering forms connecting pin 32, set up power electronic switch 5 on control circuit board 3, power electronic switch 5 is close to setting up near connecting pin 32, power electronic switch 6's power output pin 6 is formed by large tracts of land copper foil, and is connected with connecting pin 32, interconnecting link shortens, resistance reduces, the heat dissipation is few; and the power output pin is formed by a copper foil area with a large area, the area of a connecting circuit is increased, the resistance is reduced, the heat dissipation is reduced, and the heat dissipation area is increased.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The control module connecting device is characterized by comprising a shell (1) and a control circuit board (3) installed in the shell (1), wherein an opening (11) is formed in one side surface, perpendicular to the control circuit board (3), of the shell (1), a plurality of grooves (31) are formed in the control circuit board (3) at intervals on one side close to the opening (11), connecting pins (32) are arranged in the grooves (31) and at the outer side edge of the grooves, and the shell (1), the control circuit board (3) and the opening (11) form a female end of the control module connecting device;

the control module connecting device further comprises a base (2) and a plurality of terminal blocks (21) integrally connected with the base (2), wherein terminals (4) are arranged on two sides of each terminal block (21), and the base (2), the terminal blocks (21) and the terminals (4) form a male end of the control module connecting device;

the setting position of terminal platform (21) and recess (31) one-to-one, when connecting device's public end and female end were to inserting the connection, terminal platform (21) one-to-one connection got into recess (31), simultaneously terminal (4) are connected with corresponding connecting pin (32) contact, form control module connecting device's connecting channel.

2. Control module connection device according to claim 1, characterized in that a connection pin (32) is provided inside and outside the recess (31).

3. The control module connecting device according to claim 2, wherein the terminal block (21) protrudes by a length shorter than the length of the terminal (4), and the terminals (4) on both sides of the terminal block (21) are pressed into contact with each other in the groove (31) to be connected to one of the connecting pins (32).

4. Control module connection device according to claim 1, characterized in that the inside of the recess (31) and the outer edge form two connection pins (32).

5. Control module connecting device according to claim 4, characterized in that the terminal block (21) projects over a length which substantially corresponds to the length of the terminals (4), the terminals (4) on both sides of the terminal block (21) being pressed out of contact in the recesses (31) and being connected to the two connecting pins (32) respectively.

6. The control module connecting device according to claim 1, wherein a connecting pin (32) is provided inside and outside edge portions of the recess (31), one connecting pin (32) being used for simultaneous connection with the terminals (4) on both sides of each terminal block (21);

two connecting pins (32) are partially arranged, and the two connecting pins (32) are used for being respectively connected with the terminals (4) on two sides of each terminal block (21).

7. A control circuit board layout structure is characterized by comprising a control circuit board (3) and a plurality of grooves (31) arranged on one side of the control circuit board (3) at intervals, wherein connecting pins (32) are arranged in each groove (31) and at the edge of the outer side of each groove (31);

the power electronic switch is characterized in that a power electronic switch (5) is arranged on the control circuit board (3), the power electronic switch (5) is arranged close to the connecting pin (32), and a power output pin (6) of the power electronic switch (5) is formed by a large-area ground copper foil and is connected with the connecting pin (32).