CN201289368Y

CN201289368Y - Apparatus for measuring automobile vehicle body and chassis data

Info

Publication number: CN201289368Y
Application number: CNU2008202253014U
Authority: CN
Inventors: 肖志新; 张作军
Original assignee: YANTAI MAITE ELECTRONIC CO Ltd
Current assignee: MIT Automobile Limited
Priority date: 2008-11-06
Filing date: 2008-11-06
Publication date: 2009-08-12
Anticipated expiration: 2018-11-06

Abstract

The utility model discloses a data measuring device for an automobile body and a chassis, which comprises a main controller (1), a photoelectric coder (2), a capacitive gate sensor module (3), a second wireless data transmission module (4) and an upper computer (5). The main controller (1) is connected with the photoelectric coder (2) and the capacitive gate sensor module (3) through cables; and the upper computer (5) is connected with the main controller (1) through a signal after being connected with the second wireless data transmission module (4) through an RS232 series interface. The dimension of the two-dimensional data of measuring points on the automobile body and the chassis are conveniently measured through two types of displacement sensors like the photoelectric coder and the capacitive gate sensor; the measuring result is communicated with the upper computer in a wireless manner; and the control software of the upper computer receives the measuring data, compares with the standard data of the measuring points, and generates a measuring report, so as to effectively improve the measuring accuracy and the inquiry efficiency and improve the maintenance quality.

Description

A kind of device that is used for body of a motor car and chassis-date measurement

Technical field

The utility model relates to a kind of device that is used for body of a motor car and chassis-date measurement.

Background technology

Along with developing of automobile industry, automobile pollution is in quick increase, behind the automobile maintenance demand for services in market in continuous growth, to the demand of Automobile Maintaining and Testing equipment also in quick growth.

Comprise plates of automobile and shaping maintenance items in auto repair and the maintenance service, in panel beating and shaping maintenance process, often need measure, and compare, with the effect and the quality of check maintenance with the normal data size of this car to body of a motor car and chassis-date.

At present domestic because auto repair personnel's quality and industry development immature, the measurement means of body of a motor car and chassis-date is generally relatively backward, mainly still adopts steel tape or universal machine measurement mechanism, inefficiency, measuring error is big, data query inconvenience; Though the full-automatic electronic measurement mechanism measuring accuracy height of import, because cost an arm and a leg and complicated operation, market share is very low.Therefore body of a motor car and chassis-date are measured a kind of novel measurement mechanism of urgent need at present.

The utility model content

Technical problem to be solved in the utility model is, a kind of device that body of a motor car and chassis-date are measured that is used for is provided, to solve the problem that body of a motor car and chassis-date measurement mechanism can't satisfy the demands in the current auto repair service.

The technical measures that the utility model is taked are as follows:

A kind of device that is used for body of a motor car and chassis-date measurement, comprise master controller, photoelectric encoder, capacitor grid transducer module, second wireless data transmission module and host computer, it is characterized in that: master controller connects photoelectric encoder and capacitor grid transducer module respectively by cable; Host computer by the RS232 serial line interface be connected by signal with master controller again after second wireless data transmission module is connected.

Master controller comprises central processor CPU, and it is connected with first shaping circuit, second shaping circuit, first wireless data transmission module, demonstration and indicating module, operation push-button module, battery and charge management module and power module respectively by printed-wiring board (PWB).

Photoelectric encoder is connected with CPU by first shaping circuit; The capacitor grid transducer module is connected with CPU by second shaping circuit; First wireless data transmission module is connected with CPU.

Characteristics of the present utility model are, displacement transducer by photoelectric encoder and these two kinds of forms of capacitor grid transducer, the 2-D data size of measurement point on measured automobiles vehicle body and the chassis easily, measurement result is by wireless mode and upper machine communication, PC control software receive measurement data and with the normal data of this measurement point relatively and generate measurement report, can effectively improve measuring accuracy and work efficiency, improve repair quality.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 measures the process flow diagram of control method for the utility model;

Fig. 3 is the utility model primary controller electrical schematic diagram ();

Fig. 4 is the utility model primary controller electrical schematic diagram (two).

Embodiment

Consult Fig. 1, Fig. 3, Fig. 4, the utility model comprises a photoelectric encoder 2, capacitor grid transducer module 3, one second wireless data transmission module 4, a host computer 5 and a master controller 1.Photoelectric encoder 2 is connected to master controller 1 by five core cables, is connected with CPU13 through first shaping circuit 6; Capacitor grid transducer module 3 is connected to master controller 1 by the four-core cable, is connected with CPU13 through second shaping circuit 7; After passing through the RS232 serial line interface and second wireless data transmission module 4 is connected, host computer 5 is connected with master controller 1 again, receive the measurement data that first wireless data transmission module 8 in the master controller 1 sends, PC control software compares and generates measurement report with the measured value of reception and the normal data of this measurement point.

Wherein, master controller is made up of central processor CPU 13, first shaping circuit 6, second shaping circuit 7, first wireless data transmission module 8, demonstration and indicating module 9, operation push-button module 10, battery and charge management module 11, power module 12, and central processor CPU 13 connects respectively at first shaping circuit 6, second shaping circuit 7, first wireless data transmission module 8, demonstration and indicating module 9, operation push-button module 10, battery and charge management module 11, power module 12 by printed-wiring board (PWB).

Photoelectric encoder 2 sends change in displacement to master controller 1 in the mode of pulse signal, after first shaping circuit 6 on the master controller 1 is with the pulse signal shaping, output to CPU13, peripheral interrupt interface through CPU13 interrupts, and is handled by CPU13 and calculates measurement result; Capacitor grid transducer module 3 sends change in displacement to master controller 1 in the serial pulses mode, after first shaping circuit 6 on the master controller 1 is with clock and data pulse signal shaping, output to CPU13, peripheral interrupt interface through CPU13 interrupts, and is handled by CPU13 and calculates measurement result; Measurement result is by showing and indicating module 9 shows with four LED and four 7 sections LED charactron modes or indicates; CPU13 carries out communication with the serial mode and first wireless

data transmission module

8, and 10 operations of operation push-button module are after CPU13 identification is handled, and CPU13 is sent measurement result by first wireless module 8; Battery and charge management module 11 provide primary power and Charge Management function, and battery is divided into three the tunnel and is respectively the power supply that master controller 1, photoelectric encoder 2 and capacitor grid transducer module 3 etc. provide different voltages after power module 12 carries out the voltage adjustment.

Described photoelectric encoder 2 is common incremental optical-electricity encoder, is installed in the telescopic sounding rod, and resolution gets final product greater than 50 pulse revolutions.

Described capacitor grid transducer module 3 comprises capacitor grid transducer and holds grid detection processing module.Capacitor grid transducer is an orthoscopic, comprises moving grid and fixed grid two parts, and moving grid is installed in the height sounding rod, and fixed grid and detection processing module are in conjunction with being installed in the telescopic sounding rod.Holding grid detects processing module detection capacitor grid transducer signal and exports clock and data pulse signal with serial mode.

Described first wireless data transmission module 8 and second wireless data transmission module 4 are common wireless two-way digital transmission module, and sighting distance reliable transmission distance gets final product greater than 10m; Carrier frequency can be used 433MHz, also can adopt other carrier frequency such as 315M/868M/915M; ISM band need not application frequently; Have serial port and carry out data transparency transmission, half-duplex.Two module frequency of operation are identical.

CPU13 is the risc type CPU that has a plurality of peripheral interrupt interfaces, gets final product as the PIC16F887A in the U.S. MICROCHIP company 8 bit CPU series of products.

Procedure and the step measuring and detect with reference to Fig. 2 the utility model are:

A, prepare vehicle to be measured, master controller 1 and each several part are carried out power-up initializing.

B, the vehicle body of selecting vehicle to be measured or the measurement point on chassis.

C, the sounding rod that will embed photoelectric encoder 2 and capacitor grid transducer module 3 respectively by mechanical attachment and adapter are connected with measurement point, sounding rod is subjected to displacement variation in connection procedure, photoelectric encoder 2 output two pulse signals, capacitor grid transducer module 3 output clock and data serial shift pulse signals send master controller 1 simultaneously to.

D, master controller 1 carry out the pulse signal of the photoelectric encoder 2 of reception and the clock and the data pulse signal of capacitor grid transducer module 3 to pass through the peripheral interrupt interface of CPU13 respectively by the interrupt routine computing after the shaping, by showing and indicating module 9 shows or indicates, measurement result is sent measurement data by first wireless data transmission module 8 after operation push-button module 10 is confirmed by CPU13.

After second wireless data transmission module 4 of e, host computer 5 receives measurement data, by RS232 mouth and host computer 5 communications.

F, PC control software compare and generate measurement report with the standard value of measured value and this measurement point.

The utility model can carry out the 2-D data of body of a motor car or chassis measurement point simultaneously and measure in application, and this device is simple to operate, the reliability height, and wireless data transmission is easy to use; Use displacement transducer and measure, the measuring accuracy height has improved work efficiency; The measurement data that PC control software generates and the report of normal data, inquiry is convenient, has improved repair quality simultaneously.

Claims

1, a kind of device that is used for body of a motor car and chassis-date measurement, comprise master controller (1), photoelectric encoder (2), capacitor grid transducer module (3), second wireless data transmission module (4) and host computer (5), it is characterized in that: master controller (1) connects photoelectric encoder (2) and capacitor grid transducer module (3) respectively by cable; After passing through the RS232 serial line interface and second wireless data transmission module (4) is connected, host computer (5) is connected by signal with master controller (1) again.

2, the device of body of a motor car according to claim 1 and chassis-date measurement, it is characterized in that: master controller (1) comprises central processor CPU (13), and it is connected with first shaping circuit (6), second shaping circuit (7), first wireless data transmission module (8), demonstration and indicating module (9), operation push-button module (10), battery and charge management module (11) and power module (12) respectively by printed-wiring board (PWB).

3, the device of body of a motor car according to claim 2 and chassis-date measurement, it is characterized in that: photoelectric encoder (2) is connected with CPU (13) by first shaping circuit (6); Capacitor grid transducer module (3) is connected with CPU (13) by second shaping circuit (7); First wireless data transmission module (8) is connected with CPU (13).