CN207717814U - Interface module and test device for car diagnostic interface - Google Patents
Interface module and test device for car diagnostic interface Download PDFInfo
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- CN207717814U CN207717814U CN201721829653.6U CN201721829653U CN207717814U CN 207717814 U CN207717814 U CN 207717814U CN 201721829653 U CN201721829653 U CN 201721829653U CN 207717814 U CN207717814 U CN 207717814U
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- Prior art keywords
- interface
- test device
- terminals
- connect
- car diagnostic
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000003745 diagnosis Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
Abstract
The utility model discloses a kind of interface modules and test device for car diagnostic interface.Interface module includes：First interface is configured as communicating to connect with the car diagnostic interface；And second interface, it is configured as communicating to connect with first interface and automotive diagnostic installation.Test device includes：Above-mentioned interface module；One or more connecting line, one end are connected to one or more terminals of the first interface of interface module, and corresponding with one or more terminals of car diagnostic interface respectively when first interface and car diagnostic interface communicate to connect；And voltmeter, the voltage of one or more terminals of car diagnostic interface is measured via one or more calibrating terminals, the one or more calibrating terminal and one or more connecting line communicate to connect.
Description
Technical field
The utility model is related to the technical fields of automotive check, systems which a kind of being used for car diagnostic interface
Interface module and test device.
Background technology
Detection automobile OBD is needed when automotive electric fault detects, and (on board diagnostics, onboard diagnostics connect
Mouthful) each terminal voltage or resistance, still, due to automotive check be required for by car diagnostic interface connection vehicle diagnosis set
It is standby, and after connecting diagnostic device, then the voltage or resistance of the terminal of car diagnostic interface are measured, just there is no test point.At this moment
It needs to dismount part, the terminal electricity of car diagnostic interface is measured from the back side of car diagnostic interface or other harness link positions
Pressure or resistance.It measures every time and is required for dismounting part, be easy that vehicle is caused to scratch, and time of measuring is long, working efficiency is low.
Also, when being measured with multimeter, need to spy harness or terminal pin with indicator, when measurement is easy poor contact, to lead
Cause measurement result inaccurate.Therefore, the work of the terminal voltage of automobile mounted diagnosis interface in the prior art or resistance measurement
Amount is big, efficiency is low, while accuracy rate of testing result is relatively low.
Utility model content
In view of the terminal voltage or resistance measurement workload of above-mentioned automobile mounted diagnosis interface in the prior art
Greatly, efficiency is low, accurate result is low, is easy to damage the technical problems such as vehicle, and the utility model proposes one kind being used for onboard diagnostics
The interface module of interface, which is characterized in that the interface module includes：First interface, the first interface is configured as and institute
State car diagnostic interface communication connection；And second interface, the second interface are configured as and the first interface and automobile
Diagnostic device communicates to connect.
In one preferred embodiment, the one of one or more terminals of the first interface and the second interface
A or multiple terminals are connected in parallel respectively.
The utility model also proposed a kind of test device for car diagnostic interface, which is characterized in that the test
Device includes：Interface module, the interface module include：First interface, the first interface are configured as vehicle-mounted examining with described
Slave interrupt interface communicates to connect；And second interface, the second interface are configured as and the first interface and automotive diagnostic installation
Communication connection；One end of one or more connecting line, one or more connecting line is connected to the described of the interface module
One or more terminals of first interface, and when the first interface and the car diagnostic interface communicate to connect respectively with
One or more terminals of the car diagnostic interface are corresponding；And voltmeter, the voltmeter are surveyed via one or more
Examination terminal measure the car diagnostic interface one or more terminals voltage, one or more of calibrating terminals with it is described
One or more connecting line communicates to connect.
In one preferred embodiment, the one of one or more terminals of the first interface and the second interface
A or multiple terminals are connected in parallel respectively.
In one preferred embodiment, one or more of calibrating terminal settings are in one or more connection
On the other end of line.
In one preferred embodiment, the test device further includes that testing cassete and one or more first are tested
Hole, one or more of first instrument connections are arranged on the testing cassete, and one or more connecting line respectively with
One or more of first instrument connection communication connections, wherein the calibrating terminal includes first instrument connection.
In one preferred embodiment, the test device further includes the second instrument connection, and second instrument connection is set
It sets on the testing cassete, and the p-wire of second instrument connection and the voltmeter communicates to connect.
In one preferred embodiment, the voltmeter by the car diagnostic interface one or more of ends
Power supply terminal power supply in son.
In one preferred embodiment, the test device further includes dropping equipment, and the dropping equipment has defeated
Enter end and output end, the input terminal corresponds to the described of the car diagnostic interface with one or more connecting line
The connecting line of power supply terminal communicates to connect, and the power input of the output end and the voltmeter communicates to connect, wherein described
Dropping equipment is configured as being depressured the supply voltage that the power supply terminal provides.
In one preferred embodiment, the dropping equipment includes triode.
Disclosure according to the present utility model detects the automobile mounted terminal voltage for diagnosing interface or resistance measurement just
Victory improves work efficiency and measurement accuracy without dismounting part.In addition, this detection device has very strong versatility,
Suitable for all vehicles.
Description of the drawings
Fig. 1 shows the overall structure diagram of the test device of one embodiment according to the present utility model；And
Fig. 2 shows the internal wiring connection diagrams of the test device of one embodiment according to the present utility model.
Specific implementation mode
Come to the technical side in the utility model embodiment below in conjunction with the attached drawing of one embodiment of the utility model
Case carries out clear, complete description.Described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Lower obtained all other embodiment, shall fall within the protection scope of the present invention.
The test device of one embodiment according to the present utility model is described in detail referring now to Fig. 1 and Fig. 2.Fig. 1 is shown
The overall structure diagram of the test device of one embodiment according to the present utility model.Fig. 2 shows new according to this practicality
The internal wiring connection diagram of the test device of one embodiment of type.As shown in Figure 1, it is used for car diagnostic interface
(OBD) test device 10 includes an interface module comprising first interface 11 and second interface 12, first interface 11 and the
Two interfaces 12 respectively include one or more terminals 110 and 120 corresponding with one or more terminals of car diagnostic interface.
In the present embodiment, car diagnostic interface has 16 terminals, thus first interface 11 and second interface 12 are also respectively provided with 16
A terminal 110 and 120.In other embodiments, car diagnostic interface and first interface 11 and second interface 12, which can have, appoints
The terminal for quantity of anticipating.When in use, first interface 11 is communicatively connected to car diagnostic interface, and second interface 12 communicatedly connects
It is connected to automotive diagnostic installation, also, first interface 11 and the terminal of second interface 12 110 and 120 communicate to connect in parallel respectively
(not shown in FIG.), so that when first interface 11 is docked with car diagnostic interface, first interface 11 and second interface 12 are equal
It can be communicated to connect with car diagnostic interface.In the present embodiment, first interface 11 and second interface 12 are integrated into one one point
Two interfaces.But in other embodiments, first interface 11 and second interface 12 can be individual two interfaces.
As seen in Fig. 1, test device 10 further includes harness 14 and testing cassete 13, and harness 14 is from first interface 11 and
The one-to-two interface that two interfaces 12 integrate extends in testing cassete 13.In the present embodiment, harness 14 includes 16 connecting lines,
Their one end is connected respectively to 16 terminals of first interface 11, when first interface 11 and car diagnostic interface communicate to connect
It is corresponded respectively with 16 terminals of car diagnostic interface.In the present embodiment, testing cassete 13 is equipped with and is respectively labeled as 1-
16 16 the first instrument connection 16a-16p, they are communicated to connect with the other end of 16 connecting lines of harness 14 respectively, to work as
When first interface 11 is connect with car diagnostic interface, 16 the first instrument connection 16a-16p via 16 connecting lines respectively with it is vehicle-mounted
16 terminals of diagnosis interface connect one to one.In other embodiments, the quantity of the first instrument connection 16a-16p may be
It is any one or more, as long as can be correspondingly connected with one or more terminals of car diagnostic interface.
Test device 10 shown in Fig. 1 further includes voltmeter 15, is located in testing cassete 13.In the present embodiment, voltage
Table 15 is that D.C. voltmeter 5145 can also be in other embodiments the voltmeter of any other model.On testing cassete 13 also
Equipped with the second instrument connection 17, as seen in Fig. 2, the p-wire of the second instrument connection 17 and voltmeter 15 communicates to connect.In this reality
It applies in example, voltmeter 15 is powered by the power supply terminal in one or more terminals of car diagnostic interface.The ground wire of voltmeter 15
The label being connected on testing cassete 13 is the first instrument connection 16d and 16e with 5.Since the first instrument connection 16d and 16e is passed through respectively
The respective terminal of first interface 11 is connected to by corresponding connecting line, therefore when first interface 11 is docked with car diagnostic interface
When, the first instrument connection 16d and 16e corresponds respectively in car diagnostic interface the terminal for being connected to ground wire.In this way, by will be vehicle-mounted
Diagnosis interface one or more terminals be connected on testing cassete 13 via first interface 11 and harness 14, and with the first instrument connection
16a-16p is corresponded, and being connect with onboard diagnostics in the first instrument connection 16a-16p can be directly detected by using voltmeter 15
The voltage of corresponding first instrument connection of terminal to be measured of mouth.In other embodiments, voltmeter 15 can not also be integrated in test
In box 13, and it can be located at outside testing cassete 13.Alternatively, the first instrument connection 16a-16p can not also be arranged, but by harness 14
One or more connecting line the other end as calibrating terminal, to the end to be measured of voltmeter 15 detection and car diagnostic interface
The voltage of the other end of the corresponding connecting line of son.In addition it is also possible to voltmeter be replaced using multimeter, so as to measure vehicle
Carry the resistance or other parameters of one or more terminals of diagnosis interface.
In addition, test device 100 further includes dropping equipment, the supply voltage for providing car diagnostic interface is reduced to
15 available voltage of voltmeter.There is dropping equipment input terminal and output end, input terminal to correspond to vehicle-mounted examine with harness 14
The connecting line of the power supply terminal of slave interrupt interface communicates to connect, to receive power input, the power input of output end and voltmeter 15
Communication connection, to provide power supply for voltmeter.In the present embodiment, dropping equipment includes triode 18, model
L7805CV.In the present embodiment, as can see in Fig. 2, the ground terminal of triode 18 is also connected to connect with onboard diagnostics
The corresponding first instrument connection 16d and 16e of ground terminal of mouth, and its input terminal is connected to the first instrument connection labeled as 16
16p, output end are connected to the power supply terminal of voltmeter 15.When first interface 11 is docked with car diagnostic interface, the first test
Hole 16p is connected to the power supply terminal in car diagnostic interface via connecting line and first interface 11, provides 12V power supplys, three poles
The 12V power supplys are converted to the power supply terminal that 5V is supplied to voltmeter 15 by pipe 18, to power for voltmeter 15.In other implementations
In example, other dropping equipments, such as reduction voltage circuit etc. can also be used.Alternatively, voltmeter 15 can also be by other external power supplies
Power supply.
When using the test device 100 of one embodiment of the utility model, first interface 11 is connected to vapour first
Second interface 12 is connected to automotive diagnostic installation by the car diagnostic interface on vehicle.When certain for needing test car diagnostic interface
When the voltage of one terminal, using a jumper, one end of jumper is connected in the first instrument connection 16a-16p and end to be measured
Corresponding first instrument connection of son, the other end are connected to the second instrument connection 17, and D.C. voltmeter 15 can show the terminal
Voltage value, it is thus achieved that being operated in diagnosis.
The test device of the utility model avoids dismounting part, improves work efficiency, and need not be pierced with indicator
Harness or terminal pin are visited, the second instrument connection on jumper connection test box and first survey corresponding with terminal to be measured is used only
Prospect hole can detection terminal voltage value, easy to operate, measurement result is accurate, and be suitable for different automobile types, it is versatile.
The technology contents and technical characterstic of the utility model are had revealed that above, it being understood, however, that in the utility model
Under creative ideas, those skilled in the art can make various changes and improve to design disclosed above, but belong to this reality
With novel protection domain.The description of the above embodiment is exemplary rather than restrictive, the protection of the utility model
Range is determined by claim.
Claims (10)
1. a kind of interface module for car diagnostic interface, which is characterized in that the interface module includes：
First interface, the first interface are configured as communicating to connect with the car diagnostic interface；And
Second interface, the second interface are configured as communicating to connect with the first interface and automotive diagnostic installation.
2. interface module according to claim 1, which is characterized in that one or more terminals of the first interface and institute
The one or more terminals for stating second interface are connected in parallel respectively.
3. a kind of test device for car diagnostic interface, which is characterized in that the test device includes：
Interface module, the interface module include：
First interface, the first interface are configured as communicating to connect with the car diagnostic interface；
And
Second interface, the second interface are configured as communicating to connect with the first interface and automotive diagnostic installation；
One or more connecting line, one end of one or more connecting line are connected to described the first of the interface module and connect
Mouthful one or more terminals, and when the first interface and the car diagnostic interface communicate to connect respectively with the vehicle
The one or more terminals for carrying diagnosis interface are corresponding；And
Voltmeter, the voltmeter measure one or more ends of the car diagnostic interface via one or more calibrating terminals
The voltage of son, one or more of calibrating terminals are communicated to connect with one or more connecting line.
4. test device according to claim 3, which is characterized in that one or more terminals of the first interface and institute
The one or more terminals for stating second interface are connected in parallel respectively.
5. test device according to claim 3 or 4, which is characterized in that one or more of calibrating terminal settings exist
On the other end of one or more connecting line.
6. test device according to claim 3 or 4, which is characterized in that the test device further include testing cassete and
One or more first instrument connections, one or more of first instrument connections are arranged on the testing cassete, and described one
Or a plurality of connecting line is communicated to connect with one or more of first instrument connections respectively, wherein the calibrating terminal includes described
First instrument connection.
7. test device according to claim 6, which is characterized in that the test device further includes the second instrument connection, institute
It states the second instrument connection to be arranged on the testing cassete, and the p-wire communication link of second instrument connection and the voltmeter
It connects.
8. test device according to claim 3 or 4, which is characterized in that the voltmeter is by the car diagnostic interface
One or more of terminals in power supply terminal power supply.
9. test device according to claim 8, which is characterized in that the test device further includes dropping equipment, described
Dropping equipment has input terminal and an output end, the input terminal in one or more connecting line corresponding to described vehicle-mounted
The connecting line communication connection of the power supply terminal of interface is diagnosed, the output end is communicated with the power input of the voltmeter
Connection, wherein the dropping equipment is configured as being depressured the supply voltage that the power supply terminal provides.
10. test device according to claim 9, which is characterized in that the dropping equipment includes triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721829653.6U CN207717814U (en) | 2017-12-25 | 2017-12-25 | Interface module and test device for car diagnostic interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721829653.6U CN207717814U (en) | 2017-12-25 | 2017-12-25 | Interface module and test device for car diagnostic interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717814U true CN207717814U (en) | 2018-08-10 |
Family
ID=63049600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721829653.6U Expired - Fee Related CN207717814U (en) | 2017-12-25 | 2017-12-25 | Interface module and test device for car diagnostic interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717814U (en) |
-
2017
- 2017-12-25 CN CN201721829653.6U patent/CN207717814U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 |
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| CF01 | Termination of patent right due to non-payment of annual fee |