CN2461815Y

CN2461815Y - Detactor for automobile brake system

Info

Publication number: CN2461815Y
Application number: CN00259827U
Authority: CN
Inventors: 王邦本
Original assignee: Changan Automobile Group Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2000-12-14
Filing date: 2000-12-14
Publication date: 2001-11-28
Anticipated expiration: 2010-12-14

Abstract

The utility model relates to a detector for automobile brake systems. The detector comprises a detector plug and a detection box which is connected with the detector plug. Detection switches and an elimination switch are arranged in the detection box, wherein, the detection switches are divided into an independent front wheel detection switch and a bidirectional rear wheel detection switch; the line of the front wheel detection switch is connected with inserting pieces A and D on the detector plug; the line of the bidirectional rear wheel detection switch is respectively connected with the inserting pieces A and D and inserting pieces C, D; the line of the elimination switch is connected with the inserting pieces A and D; the front wheel detection switch is connected in parallel with the elimination switch. The front and the rear wheel detection lines and the switches are reasonably separated by the detector, and do not interfere with each other. The utility model successfully solves the problem of inaccurate and inconvenient detection existing in Japanese ABS detectors.

Description

The brake system of car detector

The utility model relates to a kind of detector that is used for the mid-get car brake system, belongs to brake system of car fault detection, diagnostic technology field.

The ABS anti-lock device is that the modern high technology first Application is to the little car of series, take advantage of seat that the mid-get car of ABS is housed, brake steadily comfortable, the unmatched sensation of pouncing on layback, when especially on muddy highway, ice and snow road, travelling, brake the phenomenon that no sideslip and car load break away, driving safety, safe reliable, and stopping distance keeps within the limits prescribed.

The ABS technology of Suzuki mainly is made up of control module, four-wheel sensor, ring gear, actuator etc. at present, its principle of work is: when being installed in the ring gear rotation on the four-wheel, just the rotating speed that will take turns is by sensor transmission control module, and the electricity bundle signal that control module is sent by the four-wheel sensor instruct actuator respectively four-wheel give different hydraulic pressure, make car brakeing steady, sideslip does not break away, thereby guarantees traffic safety.But because its oil, circuit complexity, sensor is many, the position disperses, and makes detections, maintenance very difficult, accurate position, failure judgement place, so cause the maintainer can not be rapidly, timely trouble-shooting, and phenomenons such as erroneous judgement, misjudgement happen occasionally.Therefore, Japan has developed corresponding failure detector again, and Japanese ABS detector arrangement is referring to Fig. 1, and front and rear wheel detects an all shared rotor switch, and circuit also is a shared circuit.Being that front-wheel detects when switch closes, is that trailing wheel detects when switch leaves, and causes front and rear wheel to detect in detection easily and puts upside down, and detects inaccurately, even the input error code has a strong impact on the detection quality in module, incured loss through delay maintenance time.

Problem at the prior art existence, the utility model designs a kind of brake system of car detector, improve at Japanese ABS detector, front and rear wheel detection line and switch are reasonably separated, make it not disturb mutually, successfully solve inaccurate, the inconvenient problem of detection that Japanese ABS detector exists.

This detector technologies scheme is as follows:

The brake system of car detector, comprise detector plug and the detection box that is attached thereto, detect in the box and establish detector switch and clear switch, it is characterized in that detector switch is divided into independently front-wheel detector switch, the two-way detector switch of trailing wheel, inserted sheet A and D on the front-wheel detector switch circuit connection detector plug, the two-way detector switch circuit of trailing wheel connects inserted sheet A and B and inserted sheet C, D respectively, and the clear switch circuit connects inserted sheet A and D, and the front-wheel detector switch is in parallel with it.

Can see that from said structure this detector has been made key technological transformation to Japanese ABS detector circuit, and front-wheel and trailing wheel detector switch are separated, accomplish independence, not disturb mutually.Circuit also is orientated the front and rear wheel franchise.It is also independent to remove circuit, and the master that respectively does for oneself does not disturb mutually, has solved the inaccurate problem of detection that Japanese ABS detector exists.Detector makes things convenient for searching of fault accurately and reliably, and is easy to carry, saves time, and increases work efficiency.

Below in conjunction with drawings and Examples this detector is elaborated:

Fig. 1 is Japanese ABS detector circuit figure;

Fig. 2 is this detector arrangement figure;

Fig. 3 is this detector circuit figure.

Embodiment: referring to Fig. 2, this detector is made of with being connected by four-core principal wire bundle 5 and detecting box 4 plug 6, and the ABS socket 7 in plug 6 and the car is connected.Detect in the box 4 and establish front-wheel detector switch 1, the two-way detector switch 2 of trailing wheel and clear switch 3.The circuit of detector connects referring to Fig. 3, detector switch independently is divided into front-wheel detector switch 1, the two-way detector switch 2 of trailing wheel, inserted sheet A and D on the front-wheel detector switch 1 circuit connection detector plug 6, two-way detector switch 2 circuits of trailing wheel connect inserted sheet A and B and inserted sheet C, D respectively, the clear switch circuit connects inserted sheet A and D, front-wheel detector switch 1 is in parallel with it, and the connected relation of circuit is as follows in the use:

1. when detecting front-wheel oil fault, the front-wheel switch is communicated with, at this moment " A " links to each other with the car body socket with " D " inserted sheet among the figure.

2. when detecting trailing wheel oil fault, the trailing wheel bidirectional switch is communicated with, at this moment " A " links to each other with the car body socket respectively simultaneously with " B " inserted sheet, " C " and " D " inserted sheet among the figure.

3. when checking failure code, can be communicated with the front-wheel switch separately or be communicated with the trailing wheel switch separately, also can simultaneously the front and rear wheel switch be communicated with, at this moment " A " and " D " is communicated with among the figure, and " A " and " B " inserted sheet is communicated with, and the connection of " C " and " D " inserted sheet gets final product.

4. when removing error code, the front and rear wheel switch is disconnected, by removing button 5 times, at this moment " A " links to each other with " D " inserted sheet and disconnects 5 times among the figure.

On " star in Chang'an " little car, the detecting operation method is as follows with this detector applies:

One, Circuits System troubleshooting methodology

1. the ABS in detector plug and the car being detected socket is connected, take off the other detection maintenance diode of socket, the position that front-wheel on the detector or trailing wheel switch are pushed out, ignition key is opened on second grade, automatically extinguish after antilock device failure indicator on the instrument is bright, and begin flicker, if any fault, indicator lamp glimmers 3 times successively with code digit is ascending, and the trouble location (failure code is at 3 pages) of finding out indication according to code carries out the troubleshooting barrier again.

2. should remove the failure code and the wrong failure code that were stored in control module originally behind the trouble-shooting, method of operation is: the front and back wheel switch cuts out, open ignition key, after the ABS indicator lamp is bright, press clear switch 5 times, each more than 0.1 second, pressed in 10 seconds, so just all failure codes are removed, thereby guaranteed that the ABS system is in normal working.

3. after if all faults are all got rid of, use the 1st method inspection again, the flicker of ABS indicator lamp is 1: 2, this expression ABS Circuits System is in normal working.

Two, brake system method of inspection:

After the ABS circuit working was normal, whether hydraulic braking system is working properly detected in the following method:

1. open detector front-wheel switch, with riding on brake pedal, depress braking, open ignition key again, at this moment just feel that brake pedal has the power of upwards upspringing, rebounding once after three seconds, [as wheelie, bounce-back is during the first time (about half second), and off front wheel changes again, after three seconds, bounce-back (about half second) for the second time, the near front wheel changes], this shows that the front-wheel oil circuit is working properly.

2. open detector trailing wheel switch (the front-wheel switch position is dialled and shut),, open ignition key again with foot-operated braking down, once bounce upsprings once brake pedal [if trailing wheel is unsettled, during bounce-back (about half second), trailing wheel rotates], this shows that the trailing wheel oil circuit is working properly.

By above detection, just can determine that the ABS system works is normal, can relievedly use.

Claims

1. brake system of car detector, the detection box (4) that comprises detector plug (6) and be attached thereto, detect in the box (4) and establish detector switch and clear switch, it is characterized in that detector switch is divided into independently front-wheel detector switch (1) and the two-way detector switch of trailing wheel (2), inserted sheet A and D on front-wheel detector switch (1) the circuit connection detector plug (6), the two-way detector switch of trailing wheel (2) circuit connects inserted sheet A and B and inserted sheet C, D respectively, clear switch (3) circuit connects inserted sheet A and D, and front-wheel detector switch (1) is in parallel with it.