CN208092164U - A kind of wiring harness tester - Google Patents
A kind of wiring harness tester Download PDFInfo
- Publication number
- CN208092164U CN208092164U CN201820384056.5U CN201820384056U CN208092164U CN 208092164 U CN208092164 U CN 208092164U CN 201820384056 U CN201820384056 U CN 201820384056U CN 208092164 U CN208092164 U CN 208092164U
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- relay
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- card
- multimeter
- host computer
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Abstract
The utility model discloses a kind of wiring harness testers, including are equipped with host computer, control card, relay matrix card, oscillograph, multimeter and the terminal box of labview running environment；The Enable Pin of the relay matrix card passes sequentially through control card and hub and is communicated to connect with the host computer, and the oscillograph and the multimeter are communicated to connect by hub and the host computer；The gauge outfit of the multimeter is connect by relay with the signal output end of the relay matrix card, and the probe of the oscillograph is connect by relay with the signal output end of the relay matrix card；The relay being connect with the gauge outfit of the multimeter and the relay being connect with the probe of the oscillograph are connect with the signal output end of the control card respectively；The terminal box is placed on harness to be tested, and the core in harness to be tested separates the signal output end being separately connected by ITT connectors with the relay matrix card by the terminal box.Realize automatic detection.
Description
Technical field
The utility model is related to a kind of detecting systems, more particularly, to a kind of wiring harness tester.
Background technology
One group of metal wire of harness and cable are held together, the connection of the signal and power supply of dealing between vehicle equipment.It is vapour
The connecting part that each electrical equipment is connected in vehicle circuit, by groups such as insulating sheath, connecting terminal, conducting wire and insulating wrapping materials
At.
Hidden failures mainly have open circuit, short circuit and mispairing, these failures to greatly increase system test in harness manufacturing process
Difficulty, What is more can lead to the out of control of certain components, therefore harness quality directly influences the overall performance of product
And operating status, it is even more important so aobvious to the progress quality testing of finished product harness.
Existing harness test method be mainly tester using multimeter to being surveyed between thinking 2 points to be tested
Amount and record, because of tester's manual test and record, easily occur testing and recording omission, cause test inaccurate；And it needs
It is recorded in test, increases the labor intensity of tester.
Utility model content
In the presence of solving the problems, such as existing harness test method, the utility model is in this to be designed to provide
A kind of wiring harness tester of automatic test and data record.
A kind of wiring harness tester provided includes the host computer for being equipped with labview running environment, control card, relay
Device matrix card, oscillograph, multimeter and terminal box；The Enable Pin of the relay matrix card passes sequentially through control card and hub
It is communicated to connect with the host computer, the oscillograph and the multimeter are communicated to connect by hub and the host computer；Institute
The gauge outfit for stating multimeter is connect by relay with the signal output end of the relay matrix card, and the probe of the oscillograph is logical
Relay is crossed to connect with the signal output end of the relay matrix card；The relay being connect with the gauge outfit of the multimeter with
And the relay being connect with the probe of the oscillograph is connect with the signal output end of the control card respectively；The terminal box
It is placed on harness to be tested, the core in harness to be tested is separated by the terminal box to be connected respectively by ITT connectors
Connect the signal output end with the relay matrix card.
Wiring harness tester combination control card provided herein, relay matrix card and labview fortune is installed
The host computer of row environment realizes automatic test, and tester is installed on the labview on host computer by operation and runs ring
Border controls certain two relay in relay matrix card and connects, then will be detected to be tested by multimeter and oscillograph
The resistance value of harness section and the oscillogram of this section are uploaded to host computer, and are shown by labview running environment, pass through
Labview running environment can control the conducting of certain two relay in relay matrix card, realize automatic test, and
Labview running environment has data storage function, realizes test data and is automatically stored, efficiently solves because of tester
Manual test and record occur testing and recording omission, the problem for causing test inaccurate；The labour for alleviating tester is strong
Degree.
Further, the relay matrix card is 3732 type reed relay matrix cards.3732 type reed relay squares
Battle array card includes that 4 rows 28 arrange (4x28) per body, and 448 monopole crosspoints, it is suitable to expand detecting system provided herein in total
Stronger with property, use scope is wider.
The beneficial effects of the utility model：The system realizes automatic detection, and test data automatically records, by upper
Machine can realize the test of harness, do not need tester and recorded in test, reduce the labor intensity of tester, avoid
Because tester, which neglects, leads to missing inspection and error in data the case where, test accuracy ensure that.
Description of the drawings
Fig. 1 is the structural schematic diagram that harness provided by the utility model tests system.
Specific implementation mode
The utility model technical solution claimed is described in further detail in conjunction with attached drawing herein.
As shown in Figure 1, technical solution claimed is a kind of for testing automotive wire bundle matter to the utility model herein
The wiring harness tester of amount, the wiring harness tester include to send out the upper of control instruction for display data and tester
Machine is equipped with labview running environment on host computer, which may be implemented serial port drive, is convenient for data transmission；Also wrap
Include control card, relay matrix card, oscillograph, multimeter and terminal box.Wherein, the Enable Pin of relay matrix card passes sequentially through
Control card and hub are communicated to connect with host computer, and oscillograph and multimeter are communicated to connect by hub and host computer, are used for
Data upload；The gauge outfit of multimeter is connect by relay with the signal output end of relay matrix card, and the probe of oscillograph is logical
Relay is crossed to connect with the signal output end of relay matrix card；Terminal box is placed on harness to be tested, in harness to be tested
Core separates the signal output end being separately connected by ITT connectors with relay matrix card by terminal box.Wherein with
Relay that the gauge outfit of multimeter is connected and the relay being connect with the probe of oscillograph respectively with the signal of control card
Output end connects.
Whole system provides operating voltage by 5V/20000Ah power supplys for relay matrix card, host computer, oscillograph work
Make voltage to be provided by alternating current, to ensure whole system normal operation.
Wherein, host computer can be desktop computer, notebook or other terminals, be equipped with labview running environment
For testing.Control card is made of, such as receiving upper sent out control signal microcontroller and its peripheral circuit
The single-chip minimum system that AT89C52 microcontrollers and its peripheral circuit are constituted, or be made of most ARM and its peripheral circuit
Mini system, or the single-chip minimum system that is made of STM32 microcontrollers and its peripheral circuit.The control card is sent out in host computer
Go out two points connection in requirement relay matrix card, and actual conditions are when cannot be connected to, control card can also be anti-to host computer
Answer mistake.
Here, 3732 type reed relay matrix cards may be used in relay matrix card provided herein, it can also
The relay matrix of 4x56 arrays is made of several independent H-type relays or D type relays.
The operation principle of the application wiring harness tester is：Core in harness to be tested is isolated and is drawn by terminal box
Go out, access ITT connectors, and several cores are connected to the signal input part of relay matrix card, every line by ITT connectors
Core is connect with a signal input part of relay matrix card respectively；Tester operates host computer operation labview and runs ring
Border exports control signal by labview running environment, and control card exports tester by labview running environment
Signal input relay matrix card is controlled, two relays for being connected with harness core to be tested in relay matrix card are made；Together
When the control signal that labview running environment exports also passed into the relay being connect with the gauge outfit of multimeter by control card
And/or the relay being connect with the probe of oscillograph, so that multimeter and/or oscillograph is worked, measures the electricity of harness to be tested
Resistance value and waveform.Multimeter and the data of the tested acquisition of oscillograph are uploaded to by signal wire in host computer, and are passed through
Labview running environment is shown.
Following functions can be realized by labview running environment：
1. the definition of pair pin defines the corresponding pass between the pin of relay matrix card and the pin of product to be measured
System so to realize very flexible connection type, and defines the title of this pin, in case generating test report energy later
It is enough very clear and intuitive；
2. host computer informs that slave computer suits above two points for needing to detect by serial communication, then host computer control
Multimeter processed measures the resistance value between the two points, and the resistance value adopted is compared to obtain according to the parameter being configured
Test whether qualified result；
3. the test of 2 line of convert resistance and the test of 4 line of resistance that can be random in test process is realized, to be directed to different essences
Spend the measurement of resistance value；
4. host computer can free configuration testing which point between resistance, can configure measure resistance standard value, energy
Enough delay times being arranged after testing each step and the number whether suspended to current procedures and this retest；
5. shown in real time when resistance test collected value and with standard value compare after qualification with it is unqualified
Result；
6. display progress bar in real time, intuitively knows the progress of test；
7. interface display test the time it takes, facilitates observation testing efficiency；
8. can suspend during test, and restart；
9. main interface is responsible for starting waveform testing, waveform display interface is recalled, with contoured configuration interface；
10. oscillograph can acquire always the waveform in four channels when acquisition in real time；
11. single step, tests after one group of waveform and need manually that the survey of next group of waveform could be carried out by clicking start button again
Examination；
12. after this group of test crash of test, the test of this group of waveform can be carried out again again；
13. waveform display interface draws out the parameter setting of collected waveform and relevant oscillograph, and the knot of test
Fruit.
14. often test one group of waveform it can be seen that this group of waveform figure, it is just clear until carrying out next group of test
Chu's waveform is shown.
15. being all input in report when generating this interface that the when of reporting can show waveform；
16. host computer can configure the trigger condition that oscillograph acquires every time, the points of acquisition, the frequency of acquisition, acquisition
Channel oscilloscope is communicated to the corresponding pin of product, the voltage range in each channel is arranged by which channel；
16. host computer can configure and calculate waveform from a trigger condition to the duration termination condition, can be with
The peak value of configuration testing waveform, maximum value, minimum value；
17. the condition for terminating acquisition can be configured, no longer acquired once meeting termination condition waveform, it is next to carry out
The test of group waveform；
18. increase signal language, when user test to current procedures give user pop-up signal language dialog box, to illustrate to use
The next operation in family and points for attention；
18. the display Y-axis of each waveform possesses different indication ranges, user be free to set, in this way can be with
Separation curve well is unlikely to mutually to cover when a plurality of curve display；
19. these configuration host computers can be recorded, same acquisition next time does not just have to reconfigure again.All
Configuration is with the unity of form management of a platform, the different configuration of different platform configurations, to realize the test to different platform.
System provided herein can effectively judge the break-make connection of harness with quickly, efficiently and accurately；It surveys
System automatically saves test data after examination, rather than then the test for manually carrying out each harness records test value；Pass through
Existing oscillograph configures, and does not just have to reset each time, quickly accurate to acquire waveform；The life of timely automatedization
At report, reporting format is unified；The cumbersome degree of manual operation is reduced, efficiency is improved；Different platform easy switching.
In order to facilitate carrying, system provided herein can also by relay matrix card, control card, multimeter, show
Wave device, hub and the 5V/20000Ah for relay matrix card, control card, multimeter, oscillograph, hub power supply are moved
Power supply etc. is integrated in a babinet, reserves serial line interface, for realizing that serial communication is connect with host computer, is used for tester
Assign control signal.The major function of wherein hub is to carry out regeneration shaping amplification to the signal received, to expand network
Transmission range, while all nodes are concentrated on the node centered on it.
Connection and data transmission are realized by signal wire between each equipment in wiring harness tester provided herein.
Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The modification or equivalent replacement that the technical solution of the utility model is made, without departing from the spirit of the technical solution of the utility model
And range, it is encompassed by the right of the utility model.
Claims (3)
1. a kind of wiring harness tester, it is characterised in that：The system includes the host computer for being equipped with labview running environment, control
Fabrication, relay matrix card, oscillograph, multimeter and terminal box；The Enable Pin of the relay matrix card passes sequentially through control
Card and hub are communicated to connect with the host computer, and the oscillograph and the multimeter are logical by hub and the host computer
Letter connection；The gauge outfit of the multimeter is connect by relay with the signal output end of the relay matrix card, the oscillography
The probe of device is connect by relay with the signal output end of the relay matrix card；It is connect with the gauge outfit of the multimeter
Relay and the relay that is connect with the probe of the oscillograph connect respectively with the signal output end of the control card；
The terminal box is placed on harness to be tested, and the core in harness to be tested is separated by the terminal box to be connected by ITT
It connects device and is separately connected signal output end with the relay matrix card.
2. a kind of wiring harness tester according to claim 1, it is characterised in that：The relay matrix card is 3732 types
Reed relay matrix card.
3. a kind of wiring harness tester according to claim 1, it is characterised in that：The host computer can be desk-top calculating
Machine, notebook any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384056.5U CN208092164U (en) | 2018-03-21 | 2018-03-21 | A kind of wiring harness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820384056.5U CN208092164U (en) | 2018-03-21 | 2018-03-21 | A kind of wiring harness tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208092164U true CN208092164U (en) | 2018-11-13 |
Family
ID=64059559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820384056.5U Active CN208092164U (en) | 2018-03-21 | 2018-03-21 | A kind of wiring harness tester |
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|---|---|
| CN (1) | CN208092164U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169564A (en) * | 2017-12-18 | 2018-06-15 | 苏州人为峰软件科技有限公司 | A kind of Beam Detector and its detection method |
| CN111239441A (en) * | 2020-03-17 | 2020-06-05 | 上海理工大学 | Wire harness detection device with mode comparison function |
| CN114281057A (en) * | 2021-11-29 | 2022-04-05 | 中车永济电机有限公司 | Testing device for internal parameters of electric locomotive traction control unit |
-
2018
- 2018-03-21 CN CN201820384056.5U patent/CN208092164U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108169564A (en) * | 2017-12-18 | 2018-06-15 | 苏州人为峰软件科技有限公司 | A kind of Beam Detector and its detection method |
| CN111239441A (en) * | 2020-03-17 | 2020-06-05 | 上海理工大学 | Wire harness detection device with mode comparison function |
| CN114281057A (en) * | 2021-11-29 | 2022-04-05 | 中车永济电机有限公司 | Testing device for internal parameters of electric locomotive traction control unit |
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