CN205353315U

CN205353315U - Wiper motor performance comprehensive testing system

Info

Publication number: CN205353315U
Application number: CN201620150981.2U
Authority: CN
Inventors: 周永勤; 徐爽; 罗兰兰; 孙沁
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2016-02-29
Filing date: 2016-02-29
Publication date: 2016-06-29
Anticipated expiration: 2026-02-28

Abstract

The utility model provides a wiper motor performance comprehensive testing system, its technical essential is: including detecting element, singlechip and computer, wiper motor, output connection singlechip are connected to detecting element's input, and CAN transmitter -receiver is connected to the singlechip, does CAN transmitter -receiver connect CAN bus, CAN bus and CAN PCI transition card input is connected, CAN the PCI interface of PCI transition card output linked computers, detecting element includes voltage sensor, current sensor, temperature sensor and grating encoding ware, grating encoding ware and wiper motor coaxial coupling. The utility model discloses can detect simultaneously many wiper motor performances, can carry out centralized management and timely spare the file to detecting data.

Description

A kind of wiper motor performance synthesis detecting system

Technical field:

The utility model relates to a kind of motor performance detecting system, particularly to a kind of wiper motor performance synthesis detection is System.

Background technology:

Wiper is a kind of burnisher conventional on automobile, is primarily used to strike off the sleet being attached on windshield And dust, it is ensured that the definition of driver's seat, thus improve travel safety.The normal work of wiper is by wiper Motor drives, and therefore the performance quality of wiper motor directly affects the duty of wiper, so wiper phase Close manufacturer and will carry out the performance test of wiper motor before wiper motor dispatches from the factory, and big in currently available technology Most producers all use manual testing to the test of wiper motor, and testing staff's synchronization can only detect a motor Performance, and conventional inspection systems to the display of detection data and preserves and uses display screens and its data to preserve function, detection more By the USB function of display screen, data are preserved after completing, when producer need to test multiple stage wiper motor performance, this The mode of kind had both increased cost of labor, can not meet again the requirement that the performance of wiper motor is tested by production line in a large number, and And the time of test consuming is long, it is impossible to carry out while effectively realizing the motor test equipment test job of many sets and detect data Centralized management and back up archive in time, cause detection efficiency low.

Summary of the invention:

The utility model is for overcoming the deficiencies in the prior art, it is provided that a kind of wiper motor performance synthesis detecting system, it can Solve low to multiple stage wiper motor performance detection efficiency in prior art, cannot effectively realize overlapping wiper motor more and detect and set The problem that standby test job is carried out simultaneously, and detection data cannot be carried out centralized management and the problem that backup achieves in time.

Wiper motor performance synthesis detecting system of the present utility model, the technical scheme used for achieving the above object exists In: including detector unit, single-chip microcomputer and computer, the input of described detector unit connects wiper motor, output even Connecing single-chip microcomputer, single-chip microcomputer connects CAN transmitter-receiver, and CAN transmitter-receiver connects CAN, CAN and CAN-PCI Transition card input is attached, and described CAN-PCI transition card output connects the pci interface of computer, described detection list Unit includes voltage sensor, current sensor, temperature sensor and grating encoder, described grating encoder and wiper electricity Machine is coaxially connected.

As further improvement of the utility model, described voltage sensor, current sensor and temperature sensor are placed in detection On the signal regulating panel of unit, the signal of collection is sent to after signal regulating panel adjusts single-chip microcomputer, improves signal transmission Accuracy.

As further improvement of the utility model, described single-chip microcomputer is PIC18F458 type single-chip microcomputer, and it has high performance RISC CPU, can integrated powerful peripheral functional modules.

As further improvement of the utility model, described voltage sensor is CHV-25P/400 type voltage sensor, and it is surveyed Amount is precisely.

As further improvement of the utility model, described current sensor is CSM050LA type current sensor, and it is sensitive Degree height.

As further improvement of the utility model, described temperature sensor is DS18B20 type temperature sensor, and it measures essence Accurate, cheap.

As further improvement of the utility model, described grating encoder is Z58/10S/3C-1200P/R type increment type light Grid encoder, its precision is up to 0.3 degree, carries out working stability during motor speed measuring, application conveniently.

The beneficial effects of the utility model are: the utility model is by the Digital Control with single-chip microcomputer as core and wiper motor Detection technique combine, design a kind of performance synthesis detecting system that can simultaneously carry out multiple stage wiper motor detection, adopt Carry out the transmission of data with CAN communication mode, its reliability is high, antijamming capability is strong, automaticity is high, uses Detection data are shown and selectively preserve by electric machines test interface in real time that set up in computer LabVIEW system, and Data qualifier whether judged result can be stored, facilitate testing staff further to detect work, it is to avoid because of motor The problem detecting cost time length one by one that quantity too much causes.Signal after conditioning, is passed through CAN by the utility model Detection data are sent to computer by bus communication mode, testing result are visually indicated to by LabVIEW detection interface User, the voltage to wiper motor can be met, electric current, temperature, rotating speed, pivot angle signal are acquired, process, aobvious Show and the function such as storage, convenient according to detection demand, electric machine controller is controlled, it is achieved the test of multiple stage wiper motor Carry out simultaneously, test data and test performance can be compared, in real time by the interruption system of single-chip microcomputer and grating encoder phase In conjunction with, complete the measurement to wiper motor pivot angle and rotating speed, run through scene and show, the detection data of this utility model Reliably, detection objective interface is easy-to-use, it is possible to increase the accuracy of detection of wiper motor, improves detection efficiency, and real-time is good, The degree of accuracy is high.

Accompanying drawing illustrates:

Fig. 1 is overall structure schematic diagram of the present utility model；

Fig. 2 is detector unit structured flowchart of the present utility model；

Fig. 3 is overhaul flow chart of the present utility model；

Fig. 4 is the peripheral circuit diagram of single-chip microcomputer；

Fig. 5 is temperature sensor circuit schematic diagram；

Fig. 6 is the CAN telecommunication circuit schematic diagram of single-chip microcomputer；

Fig. 7 is voltage sensor circuit schematic diagram；

Fig. 8 is current sensor circuit schematic diagram；

Fig. 9 is that motor pivot angle tests circuit diagram；

Figure 10 is that motor speed tests circuit diagram.

Detailed description of the invention:

See figures.1.and.2, this wiper motor 1 performance synthesis detecting system, including: the multiple stage that need to carry out testing scrapes water Device motor 1, detector unit 2, CAN transmitter-receiver 4, CAN 5, CAN-PCI transition card 6, computer 7LabVIEW Detection interface and some wires, described detector unit 2 includes voltage sensor 8, current sensor 9, temperature sensor 10 With grating encoder 11, described voltage sensor 8, current sensor 9 and temperature sensor 10 are placed in detector unit 2 On signal regulating panel, the output of voltage sensor 8, current sensor 9 and temperature sensor 10 respectively by wire with Single-chip microcomputer 3 is set up and is connected, and described grating encoder 11 is coaxially connected with tested wiper motor 1, grating encoder 11 Output be connected by external interrupt pin and the foundation of timer input pin of wire and single-chip microcomputer 3, described single-chip microcomputer 3 Inside CAN controller pin be connected by the input foundation of wire and CAN transmitter-receiver 4, described CAN sends out The output sending receiver 4 sets up communication connection, CAN 5 and CAN-PCI transition card 6 with CAN 5 Input is attached, and described CAN-PCI transition card 6 output connects the pci interface of computer 7.

The multiple stage wiper motor 1 that need to test is arranged under same detection environment, and is operable independently from, and system can be simultaneously Carrying out the detection of multiple stage rain shaving electrical machine, with reference to Fig. 3, CAN-PCI conversion is called at the LabVIEW detection interface of computer 7 The dynamic link libraries of card 6, it is achieved LabVIEW and the data cube computation of CAN 5, detects interface at LabVIEW enterprising The display in real time of row data and storage.

Described single-chip microcomputer 3 model is PIC18F458, and the model of described voltage sensor 8 is CHV-25P/400, its circuit Schematic diagram is as shown in Figure 7；The model of described current sensor 9 is CSM050LA, and its circuit theory diagrams are as shown in Figure 8； Described temperature sensor 10 model is DS18B20, and its circuit theory diagrams are as shown in Figure 5；Described grating encoder 11 model For Z58/10S/3C-1200P/R, the circuit theory diagrams of the test of its motor speed and pivot angle test are as shown in Figure 9 and Figure 10； The model of described CAN-PCI transition card 6 is PCI-9810CAN, and the model of described CAN transmitter-receiver 4 is PCA82C250, its CAN 5 telecommunication circuit schematic diagram is as shown in Figure 6.With reference to Fig. 4, the output of voltage sensor 8 End is connected with the RA3 pin of single-chip microcomputer 3PIC18F458, the output of current sensor 9 and single-chip microcomputer 3PIC18F458 RA4 pin connect, the output of temperature sensor 10 is connected with the RA1 pin of single-chip microcomputer 3PIC18F458, grating volume The code output of device 11 is connected with INT0 and the T1CKI pin of single-chip microcomputer 3PIC18F458, and grating encoder 11 rotates The pulse signal of output delivers to the external interrupt pin of single-chip microcomputer 3 after transmission and shaping circuit, by Control motor Rotating speed, and then gather the signal under different rotating speeds, single-chip microcomputer 3 obtains the pivot angle numerical value of motor by pivot angle Acquisition Circuit. Described signal regulating panel includes that resistance is some, and electric capacity is some and the modulate circuit of sensor, signal regulating panel employing ± 15V Power supply；CAN communication circuit uses+5V to power, and motor power uses 24V constant pressure source.

Claims

1. a wiper motor performance synthesis detecting system, it is characterised in that: include detector unit (2), single-chip microcomputer (3) And computer (7), the input of described detector unit (2) connects wiper motor (1), output connects single-chip microcomputer (3), Single-chip microcomputer (3) connects CAN transmitter-receiver (4), and CAN transmitter-receiver (4) connects CAN (5), CAN (5) being attached with CAN-PCI transition card (6) input, described CAN-PCI transition card (6) output connects calculating The pci interface of machine (7), described detector unit (2) includes that voltage sensor (8), current sensor (9), temperature pass Sensor (10) and grating encoder (11), described grating encoder (11) is coaxially connected with wiper motor (1).

2. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described voltage passes Sensor (8), current sensor (9) and temperature sensor (10) are placed on the signal regulating panel of detector unit (2).

3. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described single-chip microcomputer (3) it is PIC18F458 type single-chip microcomputer.

4. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described voltage passes Sensor (8) is CHV-25P/400 type voltage sensor.

5. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described electric current passes Sensor (9) is CSM050LA type current sensor.

6. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described temperature passes Sensor (10) is DS18B20 type temperature sensor.

7. a kind of wiper motor performance synthesis detecting system as claimed in claim 1, it is characterised in that: described grating is compiled Code device (11) is Z58/10S/3C-1200P/R type grating encoder.