阅读说明：本技术 一种obd扩展连接线 (OBD extension connecting wire ) 是由 邱心涛 孙四通 于 2021-07-25 设计创作，主要内容包括：本发明公开了一种OBD扩展连接线,包括接头组件、切换电路组件、线路组件和扩展组件,所述接头组件包括公接头主体,所述公接头主体的一侧固定连接有梯形插口,所述公接头主体的内部嵌入连接有多个金属柱。本发明的有益效果接头组件内的公接头主体进行装置总线路的接入,公接头主体内部设置有多个金属柱,通过金属柱进行信号和主电源的接入,主电源通过触点金属线接入主电源线路,主电源线路上连接有第一常开触点和第二常开触点,第一常开触点和第二常开触点连接线路连接线圈,主电源供电,第一常开触点和第二常开触点通过线圈吸附,接通用电线路,主电源供电匮乏时,线圈工作,第一常闭触点和第二常闭触点闭合,副电源接入用电线路。(The invention discloses an OBD (on-board diagnostics) expansion connecting wire which comprises a connector component, a switching circuit component, a circuit component and an expansion component, wherein the connector component comprises a male connector main body, one side of the male connector main body is fixedly connected with a trapezoidal socket, and a plurality of metal columns are embedded and connected in the male connector main body. The connector assembly has the advantages that a male connector main body in the connector assembly is used for accessing a device bus line, a plurality of metal columns are arranged in the male connector main body, signals and a main power source are accessed through the metal columns, the main power source is accessed into a main power source line through a contact metal wire, a first normally open contact and a second normally open contact are connected to the main power source line, a connecting line of the first normally open contact and the second normally open contact is connected with a coil, the main power source supplies power, the first normally open contact and the second normally open contact are adsorbed through the coil and connected with a universal line, when the main power source supplies power, the coil works, the first normally closed contact and the second normally closed contact are closed, and the auxiliary power source is accessed into a power line.)

1. An OBD extension connecting wire, includes joint Assembly (1), switching circuit subassembly (2), line subassembly (3) and extension subassembly (4), its characterized in that: the connector assembly (1) comprises a male connector main body (101), one side of the male connector main body (101) is fixedly connected with a trapezoidal socket (102), a plurality of metal columns (103) are embedded and connected in the male connector main body (101), the metal columns (103) are arranged in the trapezoidal socket (102), symmetrical metal contacts (105) are movably clamped in the male connector main body (101), two contact metal wires (106) are connected to the male connector main body (101), and one ends of the two contact metal wires (106) are connected with one ends of the two metal columns (103);

the switching circuit assembly (2) comprises a connecting body (201) and a conversion circuit (202) embedded in the connecting body (201), wherein lines in the conversion circuit (202) are correspondingly connected with two metal contacts (105) and two contact metal wires (106);

the line assembly (3) comprises a first bus (301) and a second bus (302), wherein the first bus (301) and the second bus (302) are both provided with a signal transmission line and a power utilization line;

the expansion assembly (4) comprises a first female joint (401) and a second female joint (402), one end of the first female joint (401) is connected with an insertion block (403), an insertion hole (404) is formed in the insertion block (403), one end of the first bus (301) is connected with the first female joint (401), and one end of the second bus (302) is connected with the second female joint (402).

2. An OBD expansion link according to claim 1, wherein: one end of the male connector main body (101) is fixedly connected with a middle plate (104), and the middle plate (104) is arranged in the middle of the metal columns (103).

3. An OBD expansion link according to claim 1, wherein: the two sides of the trapezoid socket (102) are respectively fixedly connected with symmetrical buckles (107), and one end of each buckle (107) is arranged in an arc shape.

4. An OBD expansion link according to claim 1, wherein: the male connector body (101) is connected with symmetrical rubber pads (108), and a plurality of anti-skidding grooves are formed in the rubber pads (108).

5. An OBD expansion link according to claim 1, wherein: conversion circuit (202) include coil (203), first normally open contact (204), second normally open contact (205), first normally closed contact (207) and second normally closed contact (208), the input and the output of coil (203) are connected with first normally open contact (204), second normally open contact (205) connecting line respectively, first normally open contact (204) and second normally open contact (205) connecting line access main power supply circuit, first normally closed contact (207) and second normally closed contact (208) connecting line access auxiliary power supply circuit, first fuse resistance (206) are connected on first normally open contact (204) connecting line, second fuse resistance (209) are connected on first normally closed contact (207) connecting line.

6. An OBD expansion link according to claim 1, wherein: the second female joint (402) and the first female joint (401) are arranged in the same mode, the second female joint (402) and the first female joint (401) are connected with the same circuit, and the number of the inner inserting holes (404) of the second female joint (402) and the first female joint (401) is the same as that of the metal columns (103).

7. An OBD expansion link according to claim 1, wherein: the second female joint (402) and the first female joint (401) are both connected with anti-slip rubber, and the second female joint (402) and the first female joint (401) are matched with an equipment input end interface.

Technical Field

The invention belongs to the technical field of OBD connecting lines, and particularly relates to an OBD extended connecting line.

Background

A total of 16 sockets are used on an automotive OBD connector, but not every socket is used, and so many sockets are due to the international standards, which define broad heads, 1-16 respectively, for OBD real-time monitoring of engine, catalytic converter, particulate trap, oxygen sensor, emission control system, fuel system, EGR, etc. systems and components. And then is connected to an electronic control unit through different emission-related component information, and the electronic control unit can detect and analyze the functions of emission-related faults, record fault information and related codes when the emission faults occur, and send out warnings through fault lamps to inform drivers. And the access and the processing of the fault information are ensured through a standard data interface.

The existing OBD connector is mostly used for simple signal transmission and power supply, the existing OBD expansion connecting line in the market is only used for expanding the connection quantity, the common OBD connecting line cannot provide automatic switching of a main power supply and a standby power supply, and the common OBD connecting line cannot supply power to equipment and reduce the cruising ability under the condition that the electric quantity of the main power supply is insufficient.

Disclosure of Invention

The objective of the present invention is to provide an OBD expansion link to solve the above problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an OBD (on-board diagnostics) extension connecting wire comprises a connector component, a switching circuit component, a circuit component and an extension component, wherein the connector component comprises a male connector main body, one side of the male connector main body is fixedly connected with a trapezoidal socket, a plurality of metal columns are embedded and connected into the male connector main body and arranged inside the trapezoidal socket, symmetrical metal contacts are movably clamped and connected into the male connector main body, two contact metal wires are connected onto the male connector main body, and one ends of the two contact metal wires are connected with one ends of the two metal columns;

the switching circuit assembly comprises a connecting main body and a switching circuit embedded in the connecting main body, wherein a circuit in the switching circuit is correspondingly connected with the two metal contacts and the two contact metal wires;

the circuit component comprises a first bus and a second bus, wherein the first bus and the second bus are both provided with a signal transmission line and a power consumption circuit;

the expansion assembly comprises a first female joint and a second female joint, one end of the first female joint is connected with an insertion block, an insertion hole is formed in the insertion block, one end of the first bus is connected with the first female joint, and one end of the second bus is connected with the second female joint.

Preferably, one end of the male joint main body is fixedly connected with a middle plate, and the middle plate is arranged in the middle of the metal columns.

Preferably, the two sides of the trapezoidal socket are respectively and fixedly connected with symmetrical buckles, and one end of each buckle is arranged in an arc shape.

Preferably, the male connector main body is connected with symmetrical rubber pads, and the rubber pads are provided with a plurality of anti-slip grooves.

Preferably, converting circuit includes coil, first normally open contact, second normally open contact, first normally closed contact and second normally closed contact, the input and the output of coil do not are connected with first normally open contact, second normally open contact interconnecting link, first normally open contact and second normally open contact interconnecting link access main power supply circuit, first normally closed contact and second normally closed contact interconnecting link access auxiliary power supply circuit, connect first fusing resistance on the first normally open contact connecting link, connect second fusing resistance on the first normally closed contact connecting link.

Preferably, the second female joint and the first female joint are arranged in the same manner, the second female joint and the first female joint are connected with the same line, and the number of the inner inserting holes of the second female joint and the first female joint is the same as that of the metal columns.

Preferably, the second female joint and the first female joint are both connected with anti-skid rubber, and the second female joint and the first female joint are matched with the input end interface of the equipment.

Compared with the prior art, the invention has the beneficial effects that:

(1) the utility model discloses a device, including joint assembly, bus line, the access of bus line is installed to the public joint main part in the joint assembly, the inside a plurality of metal posts that are provided with of public joint main part, carry out the access of signal and main power source through the metal post, the main power source passes through the contact wire and inserts the main power source circuit, be connected with first normally open contact and second normally open contact on the main power source circuit, first normally open contact and second normally open contact interconnecting link connecting coil, the main power supply, first normally open contact and second normally open contact pass through the coil and adsorb, connect the universal line, when the main power supply is deficient, coil work, first normally closed contact and second normally closed contact are closed, the auxiliary power source inserts the power consumption circuit, realize the automatic switch-over of main power source and auxiliary power source, the duration is improved.

(2) The first fuse resistor and the second fuse resistor are connected to a first normally open contact and a first normally closed contact connecting line respectively, and when abnormal overload occurs on the first normally open contact and the first normally closed contact connecting line, the first fuse resistor and the second fuse resistor are automatically fused to protect connected working devices, so that the current is prevented from being abnormally damaged, and the protection effect is good.

(3) The male connector body is connected with a first female connector and a second female connector through a first bus and a second bus, the first female connector and the second female connector can be connected with a working device synchronously, the male connector body is connected with a rubber pad, the male connector body is convenient to pull out and insert by hands, corresponding anti-skid rubber is arranged on the first female connector and the second female connector, the first female connector and the second female connector are convenient to pull out and insert with the working device, and the using effect is good.

Drawings

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

FIG. 2 is a schematic side-view perspective of the present invention;

FIG. 3 is a schematic front view of the present invention;

fig. 4 is a schematic diagram of a conversion circuit structure according to the present invention.

In the figure: 1. a joint assembly; 101. a male connector body; 102. a trapezoidal socket; 103. a metal post; 104. a middle plate; 105. a metal contact; 106. a contact metal line; 107. buckling; 108. a rubber pad; 2. a switching circuit component; 201. a connecting body; 202. a conversion circuit; 203. a coil; 204. a first normally open contact; 205. a second normally open contact; 206. a first fuse resistor; 207. a first normally closed contact; 208. a second normally closed contact; 209. a second fuse resistor; 3. a line component; 301. a first bus; 302. a second bus; 4. an expansion component; 401. a first female joint; 402. a second female joint; 403. an insertion block; 404. and (7) inserting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an OBD expansion connection line, including a connector assembly 1, a switching circuit assembly 2, a circuit assembly 3 and an expansion assembly 4, where the connector assembly 1 includes a male connector main body 101, one side of the male connector main body 101 is fixedly connected with a trapezoidal socket 102, the interior of the male connector main body 101 is embedded and connected with a plurality of metal posts 103, the plurality of metal posts 103 are arranged inside the trapezoidal socket 102, the interior of the male connector main body 101 is movably clamped with symmetrical metal contacts 105, the male connector main body 101 is connected with two contact metal wires 106, and one end of each of the two contact metal wires 106 is connected with one end of each of the two metal posts 103;

the switching circuit assembly 2 includes a connecting body 201 and a converting circuit 202 embedded inside the connecting body 201, and lines inside the converting circuit 202 are connected with the two metal contacts 105 and the two contact metal lines 106 correspondingly;

the line assembly 3 comprises a first bus 301 and a second bus 302, wherein the first bus 301 and the second bus 302 are both provided with a signal transmission line and a power line;

the expansion assembly 4 comprises a first female connector 401 and a second female connector 402, wherein one end of the first female connector 401 is connected with a plug block 403, a plug hole 404 is arranged inside the plug block 403, one end of the first bus 301 is connected with the first female connector 401, and one end of the second bus 302 is connected with the second female connector 402.

The male connector main body 101 inside the connector assembly 1 is connected with an input interface, the trapezoidal jack 102 can be installed in a fool-proof manner, wrong insertion is avoided, the connector assembly 1 is connected into a device, a plurality of metal columns 103 are connected into signals, meanwhile, two metal columns 103 are connected into a main power supply, a switching circuit 202 inside the switching circuit assembly 2 is switched to perform power supply circuit switching, the circuit assembly 3 comprises a first bus 301 and a second bus 302, the first bus 301 and the second bus 302 are correspondingly connected with a first female connector 401 and a second female connector 402, the first bus 301 and the second bus 302 can be used for expanding connection ports, the first female connector 401 and the second female connector 402 are connected with different working elements, multi-path connection is achieved, and the application range is wide.

In this embodiment, a middle plate 104 is fixedly connected to one end of the male connector body 101, and the middle plate 104 is disposed in the middle of the metal posts 103.

Middle isolation is performed through the middle plate 104 inside the male connector main body 101, and fool-proof clamping is further performed at the same time.

In this embodiment, further, symmetrical buckles 107 are fixedly connected to two sides of the trapezoidal socket 102, respectively, and one end of the buckle 107 is arranged in an arc shape.

The buckle 107 of trapezoidal socket 102 bilateral symmetry carries out the connection joint of device, breaks away from when avoiding the joint of male joint main part 101, and the joint is firm, excellent in use effect.

In this embodiment, the male connector body 101 is further connected to symmetrical rubber pads 108, and the rubber pads 108 are provided with a plurality of anti-slip grooves.

Rubber pads 108 on two sides of the male connector main body 101 are symmetrical, so that anti-skidding capacity is increased, the whole hand of the male connector main body 101 can be conveniently pulled out and inserted, and friction is increased by a plurality of anti-skidding grooves in the rubber pads 108.

In this embodiment, further, the conversion circuit 202 includes a coil 203, a first normally open contact 204, a second normally open contact 205, a first normally closed contact 207 and a second normally closed contact 208, an input end and an output end of the coil 203 are respectively connected with the first normally open contact 204 and the second normally open contact 205, a connection line between the first normally open contact 204 and the second normally open contact 205 is connected to a main power line, a connection line between the first normally closed contact 207 and the second normally closed contact 208 is connected to an auxiliary power line, a connection line between the first normally open contact 204 is connected to a first fusing resistor 206, and a connection line between the first normally closed contact 207 is connected to a second fusing resistor 209.

When the main power supply that the device inserts is sufficient, coil 203 starts, adsorb first normally open contact 204 and second normally open contact 205, with power consumption circuit and main power supply switch-on, the activity joint has two metal contact 105 on the male joint main part 101, two metal contact 105 insert the secondary power supply, when the main power supply is deficient, coil 203 is out of work, first normally closed contact 207 and second normally closed contact 208 insert the power consumption circuit, at this moment, the secondary power supply switch-on provides electric power, realize the conversion of the power supply of the secondary power supply of active source.

In this embodiment, further, the second female connector 402 is arranged in the same manner as the first female connector 401, the second female connector 402 is connected to the same line as the first female connector 401, and the number of the inner insertion holes 404 of the second female connector 402 and the first female connector 401 is the same as the number of the metal posts 103.

The second female connector 402 and the first female connector 401 which are arranged in the same way are connected with different devices to perform extended connection of the connected devices, and the second female connector 402 and the plug hole 404 in the first female connector 401 are used for communicating signals and power supply power to perform transmission of corresponding signals and power.

In this embodiment, further, the second female connector 402 and the first female connector 401 are both connected with anti-slip rubber, and the second female connector 402 and the first female connector 401 are matched with the device input port.

The friction force of the anti-slip rubber on the second female joint 402 and the first female joint 401 is increased, so that the hand connection of the second female joint 402 and the first female joint 401 is facilitated, and the using effect is good.

The working principle and the using process of the invention are as follows: when the device is used, the male connector main body 101 is held by hands, the male connector main body 101 is inserted into a connecting port of equipment, the male connector main body 101 is connected with a trapezoidal jack 102, the trapezoidal jack 102 can be installed in a foolproof manner when the equipment is connected, error connection is avoided, a plurality of metal posts 103 on the male connector main body 101 are connected with corresponding interfaces, wherein two metal posts 103 are connected with a main power supply, the two metal posts 103 are connected with a main power supply circuit through contact metal wires 106, two metal contacts 105 on the male connector main body 101 are connected with a secondary power supply, the two metal contacts 105 are connected with a secondary power supply circuit, one end of the male connector main body 101 is connected with a connecting main body 201, a conversion circuit 202 is connected inside the connecting main body 201, the conversion circuit 202 is used for conversion connection of the main power supply and the secondary power supply, a plurality of metal posts 103 inside the male connector main body 101 are connected with signals and the main power supply, when the main power supply connected with the device is sufficient, the coil 203 is started, the first normally open contact 204 and the second normally open contact 205 are adsorbed, the power utilization line is connected with a main power supply, the two metal contacts 105 are movably clamped on the male connector main body 101, the two metal contacts 105 are connected with a secondary power supply, when the main power supply is deficient, the coil 203 does not work, the first normally closed contact 207 and the second normally closed contact 208 are connected with the power utilization line, at the moment, the secondary power supply is connected to provide power, the conversion of power supply of the main power supply and the secondary power supply is realized, the first bus 301 and the second bus 302 comprise model circuits and power supply circuits, the first bus 301 and the second bus 302 are respectively connected with the first female connector 401 and the second female connector 402 correspondingly, the first female connector 401 and the second female connector 402 are connected with connecting equipment, corresponding signals and circuit output are carried out through the plug holes 404 in the first female connector 401 and the second female connector 402 to carry out expanded connection, and the connection is suitable for the connection of a plurality of equipment, the application range is wide.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.