CN207114655U - A kind of steering column module test fixture and test system - Google Patents
A kind of steering column module test fixture and test system Download PDFInfo
- Publication number
- CN207114655U CN207114655U CN201720935759.8U CN201720935759U CN207114655U CN 207114655 U CN207114655 U CN 207114655U CN 201720935759 U CN201720935759 U CN 201720935759U CN 207114655 U CN207114655 U CN 207114655U
- Authority
- CN
- China
- Prior art keywords
- steering column
- interface
- column module
- relay
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of steering column module test fixture and test system disclosed in the utility model embodiment, including relay matrix switching circuit, measurement signal circuit, steering column module mounting interface, true handle stacked switch interface, Artificial switch signaling interface, relay control signal interface and load and network signal interface；Wherein, steering column module mounting interface and true handle stacked switch interface, for connecting steering column module to be tested；Relay matrix switching circuit is used to change true test environment and Simulation Test Environment；Measurement signal circuit is used for load and the network signal for nursing one's health distribution steering column module, connects steering column module mounting interface and load and network signal interface.Steering column module test system repeat circuit Inverse problem circuit realiration provided by the utility model replacing true test environment and Simulation Test Environment, quick and easy replacing test input environment, improve testing efficiency, avoid being lost, reduce testing cost.
Description
Technical field
The technical field of measurement and test of Automobile Electronic Industry electronic control unit is the utility model is related to, more specifically to
A kind of steering column module test fixture and test system.
Background technology
Nowadays, used with the popularization of automobile, requirement of the people to automobile gradually steps up, outside security, to easy
Also constantly strengthened with the pursuit of property and novelty, promoted multi-functional desired lifting in steering column module in automobile, therewith
Exacerbate the application of the stacked switch of various handles in steering column module.It is various in the test such as scenes function of steering column module
Stacked switch application test test process difficulty.
Nowadays in steering column module test, according to test scene, it is necessary to operate true bat-handle switch, directly quickly tested
Card test, it is also desirable to input Artificial switch signal, carry out the test such as functional parameter and direct fault location.Manually plug bat-handle switch and
The interface for emulating signal changes test input environment, operation inconvenience, and easily causes interface loss, increases testing cost, influences
Test process.
Therefore, steering column module testing cost how is reduced, turns into those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, technical problem to be solved in the utility model is how to reduce steering column module testing cost, is
This, the utility model provides a kind of steering column module test fixture and test system.
To achieve the above object, the utility model provides following technical scheme：
A kind of steering column module test fixture, including relay matrix switching circuit, measurement signal circuit, steering column module
Mounting interface, true handle stacked switch interface, Artificial switch signaling interface, relay control signal interface and load and network
Signaling interface；Wherein,
The steering column module mounting interface and true handle stacked switch interface, for connecting steering column mould to be tested
Block；
The relay matrix switching circuit is used to change true test environment and Simulation Test Environment, the relay square
The relay normal-closed end connection true handle stacked switch interface in battle array switching circuit, the normally opened end connection of the relay
The Artificial switch signaling interface, the common port of the relay connect the steering column module mounting interface, the relay
Control terminal connect the relay control signal interface；
The measurement signal circuit is used for load and the network signal for nursing one's health distribution steering column module, connects the steering column
Module mounting interface and the load and network signal interface.
Preferably, in above-mentioned steering column module test fixture, in the relay matrix switching circuit, the true hand
Handle switch signal and the Artificial switch signal are connected in the steering column module by single-pole double-throw relay.
Preferably, in above-mentioned steering column module test fixture, the relay matrix switching circuit increase short circuit, open circuit
Fault simulation passage, the direct fault location as steering column module to be measured are tested.
Preferably, in above-mentioned steering column module test fixture, the measurement signal circuit increase isolation, filtering, partial pressure
Conditioning functions.
Preferably, in above-mentioned steering column module test fixture, the Artificial switch signaling interface, relay control signal
Interface and load and network signal interface use universal port DB25.
The invention also discloses a kind of steering column module test system, including the steering column mould described in any of the above-described
Block test fixture.
It can be seen from the above technical scheme that relay described in steering column module test system provided by the utility model
Device Inverse problem circuit realiration replacing true test environment and Simulation Test Environment, quick and easy replacing test input ring
Border, testing efficiency is improved, avoids being lost, reduces testing cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of steering column module test fixture structured flowchart that Fig. 1 is provided by the utility model embodiment.
Wherein, 100 be relay matrix switching circuit, 200 be measurement signal circuit, 600 be steering column module installation connect
Mouthful, 500 be true handle stacked switch interface, 300 be Artificial switch signaling interface, 400 be relay control signal interface,
700 be load and network signal interface.
Embodiment
The purpose of this utility model provides a kind of steering column module test fixture and system, how to reduce steering column module
Testing cost.
In addition, embodiments illustrated below does not play any restriction effect to the utility model content described in claim.
In addition, the full content of the composition represented by example below is not limited to the solution as the utility model described in claim
Necessary to scheme.
A kind of referring to Fig. 1, steering column module test fixture structural frames that Fig. 1 is provided by the utility model embodiment
Figure.
A kind of steering column module test fixture, including relay matrix switching circuit 100, measurement signal circuit 200, steering
Post module mounting interface 600, true handle stacked switch interface 500, Artificial switch signaling interface 300, relay control signal
Interface 400 and load and network signal interface 700；Wherein,
The steering column module mounting interface 600 and true handle stacked switch interface 500, for connecting steering to be tested
Post module；
The relay matrix switching circuit 100 is used to change true test environment and Simulation Test Environment, the relay
The relay normal-closed end connection true handle stacked switch interface 500 in device Inverse problem circuit 100, the relay
Normally opened end connects the Artificial switch signaling interface 300, and the common port of the relay connects the steering column module installation and connect
Mouth 600, the control terminal of the relay connect the relay control signal interface 400；
The measurement signal circuit 200 is used for load and the network signal for nursing one's health distribution steering column module, and connection is described to be turned
To post module mounting interface 600 and the load and network signal interface 700.
Relay matrix switching circuit 100 realizes more described in steering column module test system provided by the utility model
True test environment and Simulation Test Environment are changed, quick and easy replacing test input environment, testing efficiency is improved, avoids damaging
Consumption, reduces testing cost.
In the relay matrix switching circuit 100, the true bat-handle switch signal and the Artificial switch signal lead to
Single-pole double-throw relay is crossed to be connected in the steering column module.Using single-pole double-throw relay matrix circuit, take into account and quickly test
Test environment and functional parameter test environment are demonstrate,proved, test input environment is freely changed, improves testing efficiency, avoid being lost, save
Cost.
The relay matrix switching circuit 100 increases short circuit, open circuit fault analog channel, as steering column module to be measured
Direct fault location test.
The increase of measurement signal circuit 200 isolation, filtering, partial pressure conditioning functions.By partial pressure, filter, isolation processing,
Make its safety standard, be then connected in the load and network in test system, it is ensured that test equipment safety.
The Artificial switch signaling interface 300, relay control signal interface 400 and load and network signal interface 700
Using universal port DB25.Ensure that interface wire harness specification of signals standardizes, renewal easy to maintain
The invention also discloses a kind of steering column module test system, including the steering column mould described in any of the above-described
Block test fixture.Because above-mentioned test fixture has the effect above, including the test system of the fixture also has corresponding effect,
Here is omitted.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of steering column module test fixture, it is characterised in that including relay matrix switching circuit (100), measurement signal
Circuit (200), steering column module mounting interface (600), true handle stacked switch interface (500), Artificial switch signaling interface
(300), relay control signal interface (400) and load and network signal interface (700)；Wherein,
The steering column module mounting interface (600) and true handle stacked switch interface (500), for connecting steering to be tested
Post module；
The relay matrix switching circuit (100) is used to change true test environment and Simulation Test Environment, the relay
The relay normal-closed end connection true handle stacked switch interface (500) in Inverse problem circuit (100), the relay
Normally opened end connect the Artificial switch signaling interface (300), the common port of the relay connects the steering column module peace
Attaching mouth (600), the control terminal of the relay connect the relay control signal interface (400)；
The measurement signal circuit (200) is used for load and the network signal for nursing one's health distribution steering column module, connects the steering
Post module mounting interface (600) and the load and network signal interface (700).
2. steering column module test fixture as claimed in claim 1, it is characterised in that the relay matrix switching circuit
(100) in, the true bat-handle switch signal and the Artificial switch signal are connected to described turn by single-pole double-throw relay
Into post module.
3. steering column module test fixture as claimed in claim 2, it is characterised in that the relay matrix switching circuit
(100) increase short circuit, open circuit fault analog channel, the direct fault location as steering column module to be measured are tested.
4. steering column module test fixture as claimed in claim 1, it is characterised in that the measurement signal circuit (200) increases
Add isolation, filtering, partial pressure conditioning functions.
5. steering column module test fixture as claimed in claim 4, it is characterised in that the Artificial switch signaling interface
(300), relay control signal interface (400) and load and network signal interface (700) use universal port DB25.
6. a kind of steering column module test system, it is characterised in that including the steering column any one of claim 1 to 5
Module testing fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720935759.8U CN207114655U (en) | 2017-07-28 | 2017-07-28 | A kind of steering column module test fixture and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720935759.8U CN207114655U (en) | 2017-07-28 | 2017-07-28 | A kind of steering column module test fixture and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114655U true CN207114655U (en) | 2018-03-16 |
Family
ID=61580545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720935759.8U Active CN207114655U (en) | 2017-07-28 | 2017-07-28 | A kind of steering column module test fixture and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581039A (en) * | 2018-12-20 | 2019-04-05 | 卡斯柯信号有限公司 | A kind of narrow confusion region acquisition device and method suitable for onboard system |
-
2017
- 2017-07-28 CN CN201720935759.8U patent/CN207114655U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581039A (en) * | 2018-12-20 | 2019-04-05 | 卡斯柯信号有限公司 | A kind of narrow confusion region acquisition device and method suitable for onboard system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102833649B (en) | A kind of earphone interface circuit and mobile communication equipment | |
| CN207114655U (en) | A kind of steering column module test fixture and test system | |
| CN204203947U (en) | Two separate display is with aobvious android terminal | |
| CN103220827A (en) | Wireless fidelity (WiFi) adapter chip | |
| CN204205218U (en) | The general-purpose interface of intelligent terminal in a kind of spaced simulation screen cabinet | |
| CN206563797U (en) | A kind of tester for being used to test Hall sensor | |
| CN204256429U (en) | integrated signal conditioning platform | |
| CN205610225U (en) | Transformer excess load automatic switching control equipment | |
| CN207799052U (en) | A kind of energy monitor circuit of monitoring current signal | |
| CN204360371U (en) | A kind of USBKey | |
| CN208255677U (en) | Switch state Intelligent display control device | |
| CN202998317U (en) | Video matrix self-adaption video ring circuit | |
| CN103227744A (en) | Bridging chip for wireless module and wired network | |
| CN205583104U (en) | Quadruplex ware | |
| CN205985351U (en) | Compatible structure of antenna route | |
| CN204389055U (en) | A kind of integrative temperature transmitter | |
| CN207541149U (en) | A kind of energy monitor circuit of monitoring voltage signal | |
| CN216351051U (en) | Verification circuit of serial port chip test system | |
| CN205679956U (en) | A kind of electric current loop interface driving circuit of instrument display | |
| CN207704239U (en) | A kind of air-conditioner controller expanding unit | |
| CN205670173U (en) | Multichannel disconnecting switch amount detecting device | |
| CN203933693U (en) | There is the mobile terminal of early warning suspension member | |
| CN205178235U (en) | Cell -phone and distinguishable data line of being connected of vehicle -mounted display screen | |
| CN208904992U (en) | A kind of communication switching circuit | |
| CN207517000U (en) | A kind of equipment for identifying OTG patterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |