CN201707571U

CN201707571U - Bus type power-driven seat controller with diagnostic function

Info

Publication number: CN201707571U
Application number: CN2010200363553U
Authority: CN
Inventors: 韩伟; 秦晨; 康兵
Original assignee: SHANGHAI JINMAI ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: SHANGHAI JINMAI ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2010-01-21
Filing date: 2010-01-21
Publication date: 2011-01-12
Anticipated expiration: 2020-01-21

Abstract

The utility model discloses detection equipment for a bus type power-driven seat controller with a diagnostic function. The detection equipment consists of a processor, an LIN communication interface, a self-diagnosis module and twin relay, wherein the LIN communication interface is connected with processor; the twin relay is connected with the self-diagnosis module and the processor; and the self-diagnosis module comprises a current self-diagnosis module connected with the processor, a Hall self-diagnosis module and a power supply control apparatus connected with the current self-diagnosis module and the processor. In the controller, the processor serves as a core, a task command is given by a user switch, the processor receives and stores information and the self-diagnosis module detects power supply voltage and a seat fault and feeds back voltage information and detected fault information through the LIN communication interface. The detection equipment is applied to passenger vehicles, in particular to fault detection and diagnosis of adjusting controllers for driver seats in medium and high grade vehicles and other multidirectional seats. The detection equipment has the advantages of verification of the functions of the entire power-driven seat within a shortest period under the condition of least human intervention, detection of various possible faults, safe, reliable and simple operation and automated operation.

Description

Bus type automatic seat controller with diagnostic function

Technical field

The utility model relates to automatic seat controller detection range in the passenger vehicle, is mainly used in passenger vehicle, the pilot set in the particularly medium-to-high grade vehicle and fault detect, the diagnosis of other multidirectional seat adjustment controllers.

Background technology

Along with people to improving constantly that automobile convenience and comfortableness require, the automobile of configuration motorized adjustment seat has begun to popularize.The realization of automatic seat regulatory function generally adopts the seat controller to gather the subscriber switch signal, and drives the mode of seat adjustment motor.At present, also added the rotation Hall element in most of seat adjustment motor.The seat controller just can be realized functions such as motor rotation blockage position probing, the memory of user's desired location by detecting this sensor signal.

This seat in process of production, often need be by operation seat manual adjustments switch after assembling is finished, make the motor operation on the controller drives all directions take second, verify whether the Hall element in each motor and the motor can operate as normal at least about 3-4.Under the normal condition, all detect altogether and need about 1 minute consuming time, greatly reduce production efficiency; Secondly,, also need to decompose and assemble the seat that finishes and carry out malfunction elimination, fritter away energy and resource, strengthen workload if in checkout procedure, pinpoint the problems.

The utility model content

In order to overcome the deficiency of existing electric seat of car controller system existence as described in the background art, the utility model provides a kind of bus type automatic seat controller that has diagnostic function, having satisfied all electric seat of car controllers detects, and detection method is greatly improved, can be under the situation of not finishing the seat assembling, apace various faults are tested in advance, and feed back by the bus diagnostic interface.The method can reduce the risk of doing over again, and has improved production efficiency greatly, has guaranteed product quality effectively, and further saves cost.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: it is formed by processor, the LIN communication interface that is connected with processor, self diagnosis module and with twins' relay that self diagnosis module and processor all are connected;

Described self diagnosis module comprises: the electric current self diagnosis module that is connected with processor, Hall self diagnosis and the power power-supply control device that all is connected with electric current self diagnosis module and processor.

All these devices, interface, module all are arranged on the same printed circuit board.

In controller, described processor is a core, sends assignment instructions by subscriber switch, and processor receives and canned data; Power power-supply voltage is detected, and by the outside feedback voltage information of LIN communication interface;

Described processor can also be controlled the seat adjustment motor power supply of twins' relay adhesive to correspondence, simultaneously processor can be judged ' motor load open circuit ', ' motor load short circuit ', ' Hall element no signal ', ' Hall element shorted to earth ', ' Hall element is to power supply short circuit ' five class seat faults by the signal that reads the Hall self diagnosis and detect and the signal of electric current self diagnosis feedback in 1s.And by processor LIN communication interface to the above-mentioned failure message that is detected of external feedback.

In controller, described voltage can detect the current working environment voltage of controller from detecting;

Described electric current self diagnosis module can detect the drive current of motor in operational process;

Described Hall self diagnosis can be counted the Hall element signal of motor, and the Hall element fault is detected.

Described controller is being produced, in the test process, can carried out exercises by LIN communication interface instruction control unit, and need not the attended operation switch; Simultaneously,, have short circuit, overvoltage, overcurrent protection function, guarantee testing process safety, reliable by LIN communication interface detected various failure messages of Read Controller fast.

The utility model compared with prior art has following positive effect: can be under the situation of minimum human intervention, in the shortest time, whole power seat function is verified, and various possible faults are detected, handling safety, reliable, realize fast automatic detecting, the convenient use.

Description of drawings

Fig. 1 is a kind of control module structured flowchart that has the bus type automatic seat controller of diagnostic function that the utility model provides

Fig. 2 is that a kind of bus type automatic seat controller that has diagnostic function that the utility model provides detects schematic diagram.

Embodiment

Below in conjunction with Fig. 1 and Fig. 2, the utility model is further specified:

1. system architecture.As shown in Figure 1, the utility model provides a kind of bus type automatic seat controller that has diagnostic function, and it is formed by processor 1, the LIN communication interface 2 that is connected with processor 1, self diagnosis module and with twins' relay 5 that self diagnosis module and processor all are connected; Described self diagnosis module comprises: the electric current self diagnosis module 3 that is connected with processor 1, Hall self diagnosis 4 and the power power-supply control device 6 that all is connected with electric current self diagnosis module 3 and processor.

2. supply voltage detects.As shown in Figure 2,1 pair of power power-supply voltage of processor detects, and by LIN communication interface 2 outside feedback voltage information; Under the normal situation of power power-supply voltage, processor 1 power controlling power-supply controller of electric spare 6 is to twins' relay 5 power supplies of controller; After power power-supply was opened, processor 1 detected the power size of current of controller by the simulating signal that reads electric current self diagnosis module 3 feedbacks, and passed through LIN communication interface 2 outside feedback current information

3. fault detects automatically.In conjunction with Fig. 1 and Fig. 2, in the automatic testing process of the fault of automatic seat, 5 adhesives of processor 1 control twins relay are to the seat adjustment motor power supply of correspondence, simultaneously processor 1 can be judged ' motor load open circuit ', ' motor load short circuit ', ' Hall element no signal ', ' Hall element shorted to earth ', ' Hall element is to power supply short circuit ' five class seat faults by the signal that reads Hall self diagnosis 4 and detect and the signal of electric current self diagnosis module 3 feedbacks in 1s.Simultaneously processor 1 by LIN communication interface 2 to the above-mentioned failure message that is detected of external feedback.

4. information feedback.The communication speed of LIN communication interface 2 is 19200bps, according to the standard format of LIN communication, so processor 1 need can be finished in 200ms to the shared communication time of operation information, the failure message of external feedback.

Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection domain of the present utility model should be limited to the appended claims.

Claims

1. bus type automatic seat controller that has diagnostic function is characterized in that: it is formed by processor (1), the LIN communication interface (2) that is connected with processor (1), self diagnosis module and with twins' relay (5) that self diagnosis module and processor all are connected; Described self diagnosis module comprises: the electric current self diagnosis module (3) that is connected with processor (1), Hall self diagnosis (4) and the power power-supply control device (6) that all is connected with electric current self diagnosis module (3) and processor.

2. a kind of bus type automatic seat controller that has diagnostic function as claimed in claim 1 is characterized in that processor (1) detects power power-supply voltage, and by the outside feedback voltage information of LIN communication interface (2); Under the normal situation of power power-supply voltage, processor (1) power controlling power-supply controller of electric spare (6) is to twins' relay (5) power supply of controller; After power power-supply was opened, processor (1) detected the power size of current of controller by the simulating signal that reads electric current self diagnosis module (3) feedback, and passed through outwards feedback current information of LIN communication interface (2).