CN203228599U

CN203228599U - Automatic matching tire pressure sensor information system based on production line

Info

Publication number: CN203228599U
Application number: CN 201320146609
Authority: CN
Inventors: 郑勇
Original assignee: Suzhou Sate Auto Electronic Co Ltd
Current assignee: Suzhou Sate Auto Electronic Co Ltd
Priority date: 2013-03-28
Filing date: 2013-03-28
Publication date: 2013-10-09
Anticipated expiration: 2023-03-28

Abstract

The utility model relates to an automatic matching tire pressure sensor information system based on a production line. By adopting the automatic matching tire pressure sensor information system, in an automobile production line, an automobile is driven to an appointed position, a corresponding communication interface is connected with an interface on the automobile, and then position information of a tire sensor can be set by operating a controller. The automatic matching tire pressure sensor information system based on the production line comprises a controller and triggers, wherein a plurality of the triggers are arranged on specific stations of the production line, the position of each trigger corresponds to the position of each tire of an entire automobile, and each trigger is connected with an LIN bus interface of the controller; the controller performs low-frequency triggering by controlling the triggers so as to control a sensor in a position dead against each trigger in a tire to send out a sensor ID code and position information of the sensor; a CAN (controller area network) communication interface of the controller is connected with a vehicle-mounted CAN bus; and the ID code and position information of each sensor stored by the controller are transmitted to a vehicle-mounted body controller for storage through the CAN bus.

Description

Based on the automatic coupling tyre pressure sensor information system of producing line

Technical field

The utility model relates to tyre pressure sensor, and particularly the tyre pressure sensor automatic patching system is especially producing the system of mating tyre pressure sensor information on the line automatically.Be in the auto production line automobile to be reached assigned address, corresponding communication interface is connected with interface on the automobile, the location information of tire sensor can be set by the operation inserting tool.

Background technology

The TPMS(system for monitoring pressure in tyre) by at each tire highly sensitive sensor being installed, data such as the pressure of real time monitoring tire, temperature under driving or static state, and be transmitted into vehicle-mounted receptor by wireless mode, receptor is by CAN/LIN line transmission information, display of tyre pressure on back mirror, temperature information, and change at tire flat and pressure and to surpass safe thresholding (this threshold value can be set by telltale) time and report to the police, with guarantee driving safety.

Assembly plant need arrange the location information of four tires when tire is installed, allowing chaufeur know rapidly, accurately when guaranteeing the tire et out of order is that what's wrong for which tire.Sensor on each tire can distribute an id number, need enter the ID sign indicating number of sensor and corresponding position information setting in advance in receptor or telltale, must tire be installed according to the location information that sets in advance when the dress tire.

A kind of is manually by the button on the operation display, the sensor ID sign indicating number of four tire locations is input to telltale one by one preserves, and this mode complex operation, efficient is low, makes a mistake easily, can't satisfy present product line production efficiency.

Another kind is to read the sensor ID sign indicating number that is installed in the tire with handheld tool, sends to then in receptor or the telltale to preserve.Though this method is not easy to make a mistake, still do not catch up with the rhythm of production that produces line.

The utility model content

Providing of invention of the present utility model is a kind of simple to operate, and efficient is high, can mate the system of tyre pressure sensor location information automatically.

One of utility model purpose of the present utility model is achieved in that

Based on the automatic coupling tyre pressure sensor information system of producing line, comprise controller and binary pair, producing at least 4 binary pairs of the specific station installation of line, each tire location of the position of described binary pair and car load is corresponding, and described binary pair is connected with the LIN bus interface of described controller; Described controller carries out the low frequency triggering by controlling described binary pair, thereby the sensor of controlling in the described binary pair correspondence position tire sends out the sensor ID sign indicating number, and described controller receives also preserves described sensor ID sign indicating number; The CAN communication interface of described controller is connected with the vehicle-mounted CAN bus; By described CAN bus each sensor ID sign indicating number and location information are transferred in the vehicle-mounted car body controller and preserve, location information is represented the orientation of sensor place tire, as information such as the near front wheel, off front wheel, left rear wheel, off hind wheels.

Wherein, described controller comprises power supply, power supply changeover device, central process unit, telltale, radio frequency signal receptor, LIN bus interface, CAN bus interface and function button and functional indicator light.Described power supply directly is described central process unit power supply, and described power supply is described radio frequency signal receptor power supply by described power supply changeover device; Described central process unit connects described radio frequency signal receptor, described telltale, LIN bus interface, CAN bus interface and function button and functional indicator light respectively.

Further, each tire location corresponding position is provided with two binary pairs that become the β angles to place on the product line, and 0 °＜β angle≤90 °; β angle the best is 90 degree.Because of the tire interoceptor when arrive producing the line ad-hoc location towards uncertain, thereby two binary pairs that become 90 degree angles to place can guarantee that inductor all can receive the low frequency LF signal of the transmission of binary pair effectively in any position.

In the utility model during the automatic coupling of tyre pressure sensor, be at least 4 binary pairs to be installed producing the specific station of line, the position of each tire is corresponding on the position of described binary pair and the car load, and each described binary pair is connected with the LIN bus interface of controller; The CAN communication interface of described controller is connected with the vehicle-mounted CAN bus;

After vehicle is parked in specific station, power on to controller, described controller passes through the LIN bus to binary pair N1(the near front wheel internal trigger) the transmission trigger command, described binary pair N1 passes through the mode of low frequency LF to the sensor transmission signal of correspondence position, described sensor receives the RF signal that namely sends belt sensor ID sign indicating number behind the described low frequency LF signal and trigger zone bit and comes out, the described radio frequency signal receptor of described controller is just preserved this information after receiving described sensor ID sign indicating number and triggering the RF signal of zone bit automatically, simultaneously sensor ID sign indicating number in this information is kept at corresponding position (namely being labeled as the near front wheel), after described controller is received the sensor information of described binary pair N1 correspondence position, namely send the trigger command of closing this binary pair by the LIN bus;

Described controller is controlled other binary pairs successively and is triggered each sensor then, as binary pair N2(off front wheel internal trigger), binary pair N3(left rear wheel internal trigger), binary pair N4(off hind wheel internal trigger), when each tire inner sensor all trigger and described sensor information be received finish after, controller CAN communication interface is connected with vehicle CAN bus, and the position of each sensor that will keep by described controller and ID sign indicating number are passed in the car body controller by the CAN bus and are preserved again.Product line in each tire location correspondence arranges two binary pairs, and two binary pairs become the β angle to place described 0 °＜β angle≤90 °.

Description of drawings

Fig. 1 is the utility model controller principle block diagram.

Fig. 2 is the utility model controller principle of work diagram of circuit.

Fig. 3 is the utility model structural representation.

Among the figure:

1 controller, 2 vehicles, 3 produce line, the 4CAN bus, the 5LIN bus,

The N1 binary pair, the N2 binary pair, the N3 binary pair, the N4 binary pair, the N5 binary pair, the N6 binary pair, the N7 binary pair, the N8 binary pair,

The C1 sensor, the C2 sensor, the C3 sensor, the C4 sensor,

The BCM car body controller,

6 controllers

61 power supplys,

62 power supply changeover devices,

63 central process units,

64 telltales,

65 radio frequency signal receptors,

The 66CAN communication interface,

The 67LIN bus interface,

68 functional indicator lights,

69 function buttons.

The specific embodiment

Fig. 1 to Fig. 3 is described further the utility model below in conjunction with accompanying drawing:

Automatic coupling tyre pressure sensor information system based on producing line comprises a controller 6 and binary pair N1, binary pair N2, binary pair N3, binary pair N4, binary pair N5, binary pair N6, binary pair N7, eight binary pairs of binary pair N8.

As shown in Figure 1, controller 6 comprises: power supply 61, power supply changeover device 62, central process unit 63, less radio-frequency receptor 65, telltale 64, CAN communication interface 66, LIN bus interface 67, functional indicator light 68, function button 69 9 parts.Power supply 61 directly is central process unit 63 power supplies, and power supply 61 is 65 power supplies of radio frequency signal receptor by power supply changeover device 62; Central process unit 63 connects radio frequency signal receptor 65, telltale 64, LIN bus interface 67, CAN bus interface 66 and function button 69 and functional indicator light 68 respectively.

Wherein: power supply 61 main effects transfer the 9V power supply to the 5V power supply.

Power supply changeover device 62 effects are to transfer the 5V power supply to the 3.6V power supply.

Central process unit 63 is control parts of controller 6, mainly is the logic control element of being responsible for information processing, also is used for preserving data simultaneously.

Less radio-frequency receptor 65 is main RF signals of being responsible for receiving the assigned frequency section, and transfers digital signal to.

Telltale 64 is mainly used in showing each prompting step and mode of operation.

CAN communication interface 66 is mainly used in connecting the vehicle-mounted CAN bus, with the BCM(car body controller) carry out communication.

The LIN communication interface is mainly used in carrying out communication with eight binary pairs.

Functional indicator light is mainly used to indicate the algorithm of each work.

Function button is mainly used to operate every work.

As shown in Figure 2, will produce the station (specific station) that the vehicle 2 that has installed sensor on the line 3 reaches sensor initializing, the station of sensor initializing is equipped with eight binary pairs and is respectively binary pair N1, binary pair N2, binary pair N3, binary pair N4, binary pair N5, binary pair N6, binary pair N7, binary pair N8, per two one group on eight binary pairs, be divided into 4 composition as listed and producing the get on the car both sides of the passage that travels of line, be specially:

Binary pair N1 and binary pair N2 form one group, and the two is vertically placed mutually and be installed in and produces on the line ground, is positioned at the corresponding position, the near front wheel position of vehicle 2;

Binary pair N5 and binary pair N6 form one group, and the two is vertically placed mutually and be installed in and produces on the line ground, is positioned at the corresponding position, off front wheel position of vehicle 2;

Binary pair N3 and binary pair N4 form one group, and the two is vertically placed mutually and be installed in and produces on the line ground, is positioned at the corresponding position, left rear wheel position of vehicle 2;

Binary pair N7 and binary pair N8 form one group, and the two is vertically placed mutually and be installed in and produces on the line ground, is positioned at the corresponding position, off hind wheel position of vehicle 2;

8 binary pairs are connected with the LIN bus interface 67 of controller 6 by LIN bus 5.

Controller 6 is by carrying out the low frequency triggering to binary pair N1 and binary pair N2, thereby control binary pair N1 and binary pair N2 send low frequency signal by the mode of low frequency LF to the sensor C1 in the tire of position, after sensor C1 receives the low frequency LF signal of binary pair N1 and binary pair N2 transmission, sensor C1 namely sends the ID sign indicating number that comprises sensor C1 and the RF signal that triggers zone bit come out, the radio frequency signal receptor 65 of controller 6 is preserved after receiving the ID sign indicating number of sensor C1 and triggering the RF signal of zone bit immediately, and the ID sign indicating number of sensor C1 deposited be the near front wheel position, after controller 6 is received the relevant information of sensor C1, namely send the trigger command of closing binary pair N1 and binary pair N2 by LIN bus 5; Binary pair N1 and binary pair N2 stop to trigger immediately.

Then, controller 6 is by carrying out the low frequency triggering to binary pair N5 and binary pair N6, thereby control binary pair N5 and binary pair N6 send low frequency signal by the mode of low frequency LF to the sensor C2 in the tire of position, after sensor C2 receives the low frequency LF signal of binary pair N5 and binary pair N5 transmission, sensor C2 namely sends the ID sign indicating number that comprises sensor C2 and the RF signal that triggers zone bit come out, the radio frequency signal receptor 65 of controller 6 is preserved after receiving the ID sign indicating number of sensor C2 and triggering the RF signal of zone bit immediately, and the ID sign indicating number of sensor C2 deposited be the off front wheel position, after controller 6 is received the relevant information of sensor C2, namely send the trigger command of closing binary pair N5 and binary pair N5 by LIN bus 5; Binary pair N5 and binary pair N5 stop to trigger immediately.

Then, controller 6 is by carrying out the low frequency triggering to binary pair N3 and binary pair N4, thereby control binary pair N3 and binary pair N4 send low frequency signal by the mode of low frequency LF to the sensor C3 in the tire of position, after sensor C3 receives the low frequency LF signal of binary pair N3 and binary pair N4 transmission, sensor C3 namely sends the ID sign indicating number that comprises sensor C3 and the RF signal that triggers zone bit come out, the radio frequency signal receptor 65 of controller 6 is preserved after receiving the ID sign indicating number of sensor C3 and triggering the RF signal of zone bit immediately, and the ID sign indicating number of sensor C3 deposited be the left rear wheel position, after controller 6 is received the relevant information of sensor C3, namely send the trigger command of closing binary pair N3 and binary pair N4 by LIN bus 5; Binary pair N3 and binary pair N4 stop to trigger immediately.

At last, controller 6 is by carrying out the low frequency triggering to binary pair N7 and binary pair N8, thereby control binary pair N7 and binary pair N8 send low frequency signal by the mode of low frequency LF to the sensor C4 in the tire of position, after sensor C4 receives the low frequency LF signal of binary pair N7 and binary pair N8 transmission, sensor C4 namely sends the ID sign indicating number that comprises sensor C4 and the RF signal that triggers zone bit come out, the radio frequency signal receptor 65 of controller 6 is preserved after receiving the ID sign indicating number of sensor C4 and triggering the RF signal of zone bit immediately, and the ID sign indicating number of sensor C4 deposited be the off hind wheel position, after controller 6 is received the relevant information of sensor C4, namely send the trigger command of closing binary pair N7 and binary pair N8 by LIN bus 5; Binary pair N7 and binary pair N8 stop to trigger immediately.

Subsequently, the CAN communication interface 66 with controller 6 is connected with the vehicle-mounted CAN bus; Controller 6 is given related information transmission such as the ID sign indicating number of the ID sign indicating number of the ID sign indicating number of the ID sign indicating number of sensor C1 and the near front wheel position, sensor C2 and off front wheel position, sensor C3 and left rear wheel position, sensor C4 and off hind wheel position in the vehicle-mounted car body controller BCM by CAN bus 4 and is preserved.

Car body controller BCM just can normally receive tyre pressure sensor information like this.

Claims

1. based on the automatic coupling tyre pressure sensor information system of producing line, comprise controller and binary pair, it is characterized in that: producing at least 4 binary pairs of the specific station installation of line, each tire location of the position of described binary pair and car load is corresponding, and described binary pair is connected with the LIN bus interface of described controller; Described controller carries out the low frequency triggering by controlling described binary pair, thereby the sensor of controlling in the described binary pair correspondence position tire sends out the sensor ID sign indicating number, and described controller receives also preserves described sensor ID sign indicating number; The CAN communication interface of described controller is connected with the vehicle-mounted CAN bus; Each sensor ID sign indicating number of described controller being preserved by described CAN bus and location information are transferred in the vehicle-mounted car body controller preserves.

2. according to claim 1 based on the automatic coupling tyre pressure sensor information system of producing line, it is characterized in that: each tire location corresponding position is provided with two binary pairs that become the β angles to place, 0 °＜β angle≤90 ° on the product line.

3. according to claim 2 based on the automatic coupling tyre pressure sensor information system of producing line, it is characterized in that: the β angle is 90 °.