JPH06111881A - Multiplex communication connector - Google Patents

Abstract

PURPOSE:To provide a multiplex communication connector which prevents noise from being mixed into a transmission signal by forming the shortest possible wire for a bus interface, a communication integrated circuit and a central processing unit integrated circuit, which are electrically connected to one another via a connector. CONSTITUTION:The bus interface fitting portion 100, the communication integrated circuit fitting portion 80 and the central processing unit integrated circuit fitting portion 180 of the multiplex communication control means are formed in one unit body with a connector case for a connector 60 connecting a multiplex communication control means and a multiplex communication path, and the wiring connecting them is formed as short as possible. Noise mixed into a transmission signal through the wire can be, thus, reduced as much as possible, and the signal transmitted from a multiplex communication network can be improved in reliability.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a multiplex communication control means and a multiplex communication path which can prevent noise from entering as much as possible.

[0002]

2. Description of the Related Art Various control circuits have been mounted on a vehicle along with the electronic control of the vehicle. In the signal transmission between the vehicle control circuits, in order to connect the control circuits,
Many lanes for signal transmission are bundled, and the caliber of the bundled lanes is too large to equip a vehicle. Therefore, a multiple communication system is adopted so that only one signal transmission bus bar is required. The control of the multiplex communication is performed by a multiplex communication control circuit provided in each vehicle control circuit, which is composed of a bus interface, a communication integrated circuit, a central processing unit integrated circuit, etc., and is connected through a connector. Has been done.

Here, conventionally, when a multiplex communication control circuit is provided, as shown in FIG. 7, the above three circuits are dispersed in an empty space on a substrate 1 on which various other vehicle control circuits are provided. They are formed separately from each other, and are connected by wiring between the connectors 5 provided on the substrate 1, and the substrates 1 and the connectors 5 are housed in the electrical connection box 3 (actually, the open circuit 62). -19025 gazette etc.).

[0004]

However, when the above-mentioned three circuits formed separately from each other on the substrate are connected by wiring through the connector as described above, the wiring is interfered by electromagnetic noise. However, there is a problem that noise is mixed in the electric signal on the wiring and the signal cannot be transmitted and received correctly.

The present invention has been made in view of the above-mentioned conventional problems, and an object thereof is to prevent noise from being mixed into an electric signal on the wiring by shortening the wiring between the connectors. It is to provide a connector for multiplex communication.

[0006]

To achieve the above object, a connector for multiplex communication according to the first aspect of the present invention is a connector case for connecting multiplex communication control means and multiplex communication paths. Further, the bus interface mounting portion and the communication integrated circuit mounting portion of the multiplex communication control means are electrically connected to each other and integrally formed.

In order to achieve the above object, the multiplex communication connector according to the second aspect of the present invention is a connector for connecting multiplex communication control means and multiplex communication paths to the connector case. The bus interface mounting portion, the communication integrated circuit mounting portion, and the central processing unit connecting integrated circuit mounting portion of the communication control means are integrally formed, and the bus interface mounting portion and the communication integrated circuit mounting portion are formed. It is characterized in that the communication integrated circuit mounting portion and the central processing unit integrated circuit mounting portion are electrically connected to each other.

[0008]

According to the first aspect of the present invention, the bus interface mounting portion of the multiplex communication control means and the integrated circuit for communication are mounted on the connector case of the connector connecting the multiplex communication control means and the multiplex communication path. Since the parts and the parts are electrically connected to each other and integrally formed, the wiring connecting the bus interface and the communication integrated circuit can be shortened as much as possible.

According to the second aspect of the present invention, the bus interface of the multiplex communication control means is connected to the connector case.
And an integrated circuit mounting section for communication and a central processing unit connecting integrated circuit mounting section are integrally formed to electrically connect the bus interface mounting section and the integrated circuit mounting section for communication to each other. Since the communication integrated circuit mounting portion and the central processing unit integrated circuit mounting portion are electrically connected to each other,
The wiring connecting them can be made as short as possible.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a conceptual diagram of a vehicle multiplex communication network in which a vehicle central control circuit 20 and a number of various vehicle terminal control circuits 40, 40, ... Are multiplexed with a multiplex communication connector 60. Connected via communication paths 70, 70a,
Signals such as commands and data are exchanged with each other.

The perspective view of FIG. 2 and the sectional view of FIG. 3 show a first embodiment of a multiplex communication connector according to the present invention.
This multiplex communication connector 60 is provided for each control circuit 20, 40,
Are connected to the multiple communication paths 70a, 70a, .. From the male side connector case 60a to which the multiple communication path 70a is connected and the female side connector case 60b integrally attached to the substrate 130. Become. Female side connector case 60
Connector pins that are fitted and inserted into the contacts of the male connector case 60a on one end side to be connected to the multiplex communication path 70a and that are fitted to the contacts of the vehicle control circuit board 130 on the other end side in b 120 is provided.

By the way, this female side connector case 60b
On the upper surface of the communication module 24 of the control means for multiplex communication.
The socket-shaped mounting portion 100 into which the bus interface circuit 300 constituting 0 is fitted, and the socket-shaped mounting portion 80 into which the communication integrated circuit 290 is similarly fitted are integrally formed to be recessed. The bus interface mounting portion 100 and the communication integrated circuit mounting portion 80 are connected to each other by a connector case.
The communication integrated circuit mounting portion 80 is connected to the one end side of the connector pin 140 by the wiring 160 inside the space.
The other end of the connector pin 140 is fitted to the contact of the vehicle control circuit board 130. With this configuration, the various vehicle terminal control circuits 40 and the vehicle central control circuit 20 exchange signals with each other via the bus interface circuit 300 in the connector case and the communication integrated circuit 290. .

FIG. 4 shows a second embodiment of the multiplex communication connector according to the present invention. This multiplex communication connector 60
Is a control circuit 20, 40, 40, ...
are connected to a, 70a, ... And are composed of a male side connector case 60a to which the multiplex communication path 70a is connected and a female side connector case 60b integrally attached to the substrate 130. One end of the female connector case 60b is fitted and inserted into a contact of the male connector case 60a to be connected to the multiplex communication path 70a, and the other end thereof is fitted to a contact of the vehicle control circuit board 130. Mated connector pin 12
0 is provided.

By the way, this female side connector case 60b
On the upper surface of the communication module 24 of the control means for multiplex communication.
The socket-shaped mounting portion 180 into which the vehicle central control circuit 20 constituting the 0 is fitted, and the socket-shaped mounting portion 80 into which the communication integrated circuit 290 is similarly fitted are integrally formed to be recessed. A module insertion hole 230 for fitting and inserting the module pin 200 is formed so that the interface module 220 covers the upper surface of the female connector case 60b. The module pin 200 penetrates through the module insertion hole 230 and is fitted with the contact of the vehicle control circuit board 130. Then, the vehicle central control circuit mounting portion 180, the communication integrated circuit mounting portion 80, and the bus interface.
The module 220 is connected to the inside of the connector case by wiring, the communication integrated circuit mounting portion 80 is connected to one end of the connector pin 140 via a wiring 170, and the other end of the connector pin 140 is for a vehicle. Control circuit board 13
It is fitted with 0 contacts. With this configuration, various vehicle terminal control circuits 40 and the vehicle central control circuit 20 exchange signals via the vehicle central control circuit 20 in the connector case, the communication integrated circuit 290, and the bus interface module 220. Is supposed to do.

The perspective view of FIG. 5 and the sectional view of FIG. 6 show a third embodiment of the multiplex communication connector according to the present invention. This multiplex communication connector 60 is provided for each control circuit 20, 40, 4
0, ... And the multiplex communication paths 70a, 70a, ... are connected from the male side connector case 60a to which the multiplex communication path 70a is connected and the female side connector case 60b integrally attached to the substrate 130. Become. Female side connector case 60
Connector pins that are fitted and inserted into the contacts of the male connector case 60a on one end side to be connected to the multiplex communication path 70a and that are fitted to the contacts of the vehicle control circuit board 130 on the other end side in b 120 is provided.

By the way, this female side connector case 60b
On the side of the communication module 24 of the control means for multiplex communication.
A slot 250 for inserting 0 is integrally formed as a recess. The communication module 240 is a bus interface 30.
0, a communication integrated circuit 290, and a vehicle central processing unit integrated circuit 280. The bus interface 300 and the communication integrated circuit 290 are connected via a wiring 310 and a communication integrated circuit 290. The integrated circuit 280 for the vehicle central processing unit is an electrode 270 and an electrode 260, respectively.
To the wirings 320 and 330. The electrode 270 and the electrode 260 are connected to one end side of the connector pin 140 via a wiring 170, respectively, and the other end side of the connector pin 140 is fitted to a contact point of the vehicle control circuit board 130. With this configuration, the various vehicle terminal control circuits 40 and the vehicle central control circuit 20 are connected to each other by the vehicle central control circuit 20 and the communication integrated circuit 29 in the connector case.
0 and the bus interface module 220 are used to exchange signals.

Therefore, the bus interface 300, the communication integrated circuit 290, and the vehicle central processing unit integrated circuit 2 which are conventionally provided on the vehicle / vehicle control circuit board 130 are provided.
By placing the multiplex communication control circuit including 80 and the like in the case of the multiplex communication connector 60, the wiring connecting the above three circuits can be shortened as much as possible.

[0019]

As described above in detail, according to the present invention,
The following excellent effects are exhibited.

(1) A multiple communication connector in which a bus interface mounting portion of the multiple communication control means and a communication integrated circuit mounting portion are integrally formed in a connector case of a connector connecting the multiple communication control means and the multiple communication path. Then, the wiring connecting the above two circuits can be made extremely short. Therefore, the noise mixed in the transmission signal from the wiring portion can be reduced as much as possible, and the reliability of signal transmission of the multiplex communication network can be improved as much as possible.

(2) A bus interface mounting portion, a communication integrated circuit mounting portion, and a central processing unit integrated circuit mounting portion of the multiplex communication controlling means are attached to a connector case of a connector which connects the multiplex communication controlling means and the multiplex communication path. In the multiplex communication connector in which the parts are integrally formed, each wiring connecting the above three circuits can be made extremely short. Therefore, the noise mixed in the transmission signal from the wiring portion can be reduced as much as possible, and the reliability of signal transmission of the multiplex communication network can be improved as much as possible.

(3) When the multiplex communication system control circuit network of the vehicle employs the multiplex communication connector of the present invention, the reliability of the signal transmission between the control circuits is increased, so that the control circuits may malfunction. It can be prevented and the safety of the vehicle can be improved.

[Brief description of drawings]

FIG. 1 is a conceptual diagram of a vehicle multiplex communication network according to the present invention.

FIG. 2 is a perspective view showing a first embodiment of the present invention.

FIG. 3 is a sectional view showing a first embodiment of the present invention.

FIG. 4 is a perspective view showing a second embodiment of the present invention.

FIG. 5 is a perspective view showing a third embodiment of the present invention.

FIG. 6 is a sectional view showing a third embodiment of the present invention.

FIG. 7 is a perspective view showing a conventional connector.

[Explanation of symbols]

 60 multiplex communication connector 80 communication integrated circuit mounting part 100 bus interface circuit mounting part 180 central processing unit integrated circuit mounting part 220 bus interface module 240 communication module

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidezo Nakazono 3-1, Shinchi, Fuchu-cho, Aki-gun, Hiroshima Prefecture Mazda Motor Corporation

Claims (2)

[Claims] 1. A connector for connecting a multiplex communication control means and a multiplex communication path, wherein a bus interface mounting portion and a communication integrated circuit mounting portion of the multiplex communication control means are electrically connected to each other in the connector case. A connector for multiplex communication, which is integrally formed by connecting them. 2. A connector for connecting a multiplex communication control means and a multiplex communication path, wherein the connector case has a bus interface mounting portion, a communication integrated circuit mounting portion, and a central processing unit integrated circuit of the multiplex communication control means. The mounting portion is integrally formed, the bus interface mounting portion and the communication integrated circuit mounting portion are electrically connected to each other, and the communication integrated circuit mounting portion and the central processing unit integrated circuit mounting are mounted. A connector for multiplex communication, wherein the connector is electrically connected to each other.