CN207894990U - A kind of current testing device of testing current adaptation box and automobile electronics - Google Patents
A kind of current testing device of testing current adaptation box and automobile electronics Download PDFInfo
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- CN207894990U CN207894990U CN201820235161.2U CN201820235161U CN207894990U CN 207894990 U CN207894990 U CN 207894990U CN 201820235161 U CN201820235161 U CN 201820235161U CN 207894990 U CN207894990 U CN 207894990U
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- 238000012360 testing method Methods 0.000 title claims abstract description 106
- 230000006978 adaptation Effects 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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Abstract
Embodiment of the disclosure discloses a kind of current testing device of testing current adaptation box and automobile electronics.It includes input terminal and output end that the testing current, which is adapted to box, include the first branch and the second branch being mutually in parallel between the input terminal and output end of the testing current adaptation box, the first switch and ammeter connector that the first branch includes, the second branch includes second switch.This utility model is adapted to box by the way that testing current is arranged, in switching electric current table gear, the first branch that can be where turn-off current table, and in an ON state by the second branch holding circuit, after having replaced the gear of ammeter, by disconnecting the second branch, electric current can be tested by the ammeter being set in the first branch, it can realize during replacing the gear of common current table, automobile electronics to be measured are in not off-position, the actual working state for more meeting automobile electronics keeps test result more acurrate.
Description
Technical field
Embodiment of the disclosure is related to automobile technical field more particularly to a kind of testing current adaptation box and automotive electronics production
The current testing device of product.
Background technology
In order to understand the working condition of the various electronic products on automobile, the electric current to various electronic products on automobile is needed
Parameter measures.
Since automobile has the at the uniform velocity different working conditions such as traveling, reversing, acceleration, closing, and in normal driving process,
Corresponding various electronic products are also likely to be present a variety of different operating modes, such as operational mode or standby mode etc., due to
These states are consecutive variations during use, so in order to ensure the order of accuarcy of measurement result, need to ensure electronics production
Product continued power during the test.The operating current of these electronic products is usually ampere levels, and standby current is only micro-
Peace or milliampere rank, difference is larger, so in order to ensure the order of accuarcy of measurement result, by can oneself in existing test process
The ammeter or multimeter of dynamic switching range measure, however the ammeter or multimeter price with automatic switching range function are high
It is expensive, and the gears such as the milliampere shelves of common current table and ampere shelves are independent, and circuit is had to be off if necessary to switching range
Reconnect ammeter.
So using common current table measure automobile electronics electric current when, can not constantly cutting change ammeter shelves
Position.
Utility model content
In a first aspect, the utility model embodiment provides a kind of testing current adaptation box, including input terminal and output end,
Include the first branch and the second branch being mutually in parallel between the input terminal and output end of testing current adaptation box, described the
The first switch and ammeter connector that one branch includes, the second branch includes second switch.
In some embodiments, the ammeter connector includes the positive jack and cathode jack of mutual insulating, described
The input terminal that positive jack is adapted to box by the first switch with the testing current is connected, the cathode jack and the electricity
The output end conduction that current test is adapted to box is connected.
Second aspect, the utility model embodiment provide a kind of current testing device of automobile electronics, including electricity
Source module, test fixture, host computer and testing current described in any one of the above embodiments are adapted to box, the test fixture with it is described upper
Machine communicates to connect, and the test fixture is powered by the power module, is provided on the test fixture and the automobile
The corresponding interface of electronic product, the testing current adaptation box are connected between the test fixture and the power module.
In some embodiments, further include flow straightener, the flow straightener is set to the first of the testing current adaptation box
Branch is adapted to box with the testing current and is in series.
In some embodiments, the flow straightener is stabilizing inducatnce.
In some embodiments, further include ammeter, the ammeter is detachably connected with the ammeter connector.
In some embodiments, the ammeter is multi gear position ammeter or multi gear position multimeter.
In some embodiments, the test fixture is communicated to connect by communication bus and the host computer.
In some embodiments, the power module is DC power supplier.
In some embodiments, the positive input terminal that box is adapted to the testing current of the power module is connected, institute
The output end for stating testing current adaptation box is connected with the positive terminal of the test fixture, the negative terminal of the test fixture
End is connected with the cathode of the power module.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the circuit diagram for the testing current adaptation box that one embodiment of the utility model provides；
Fig. 2 is the circuit diagram of the current testing device for the automobile electronics that one embodiment of the utility model provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is the utility model a part of the embodiment, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment taken, shall fall within the protection scope of the present invention.
Embodiment of the disclosure provides a kind of testing current adaptation box 10.
As shown in Figure 1, the testing current adaptation box 10 in embodiment of the disclosure includes input terminal and output end, input terminal
Include the first branch and the second branch being mutually in parallel between output end, wherein the first branch includes mutual concatenated first
Switch 11 and ammeter connector 12, the second branch include second switch 13.
First switch 11 and second switch 13 in embodiment of the disclosure can use existing and improved switch,
Such as can be the single-pole single-throw switch (SPST) used in laboratory, single control switch common in the market can also be selected, as long as can be real
Being connected and disconnected from for existing control circuit, is not restricted the structure of switch itself in the present embodiment.
Embodiment of the disclosure can disconnect electricity by the way that testing current adaptation box 10 is arranged in switching electric current table gear
The first branch where flow table, and in an ON state by the second branch holding circuit, the gear for having replaced ammeter it
Afterwards, by disconnecting the second branch, electric current can be tested by the ammeter being set in the first branch, can realized general in replacement
During the gear of energization flow table, automobile electronics to be measured are in not off-position, more meet the reality of automobile electronics
Border working condition keeps test result more acurrate.
Ammeter connector 12 in embodiment of the disclosure is for connecting ammeter, in one embodiment, in order to just
In connection, which may include positive jack and cathode jack, and each binding post of ammeter passes through conducting wire
The terminals to match with positive jack or cathode jack are drawn, and when needing the range of switching electric current table, by operating
Personnel change the connection type of terminals and jack manually.Can be that positive jack is opened by first in the specific implementation mode
It closes the input terminal that 11 are adapted to box 10 with the testing current to be connected, the cathode jack is adapted to the defeated of box 10 with the testing current
Outlet conduction is connected, can also be cathode jack be adapted to testing current by first switch 11 box 10 output end it is connected, just
The input terminal direct conduction that pole jack is adapted to box 10 with testing current is connected.
In yet another embodiment, which can also be by being arranged multiple switch come the logical of control circuit
Break, such as the output end of certain ammeter shares same negative terminal, the input terminal of different stalls corresponds to different positive terminals, then
The negative terminal of ammeter can be directly connected in circuit, and the ammeter connector 12 further includes multiple switch, it is each
The corresponding positive terminal of switch, and it is logical for controlling the circuit between positive terminal and the input terminal of testing current adaptation box 10
It is disconnected, so that in different gear access circuits.
Embodiment of the disclosure also provides a kind of current testing device of automobile electronics.
As shown in Fig. 2, in a disclosed embodiment, the current testing device of the automobile electronics includes any of the above-described
Kind testing current adaptation box 10 and power module 20, test fixture 30 and host computer 40.
The technical solution of embodiment of the disclosure is used to test the electric current of automobile electronics, and the electric current tested specifically may be used
To include the current datas such as operating current and standby current.
Wherein, test fixture 30 is communicated to connect with host computer 40, and test fixture 30 is powered by power module 20, test
Interface corresponding with automobile electronics is provided in tooling 30, testing current adaptation box 10 is connected to test fixture 30 and electricity
Between source module 20.In the present embodiment, power module 20 is DC power supplier 20, such as can be programmable power supply etc..
Automobile electronics refer to the various parts on automobile, including but not limited to radar for backing car, navigation device, sound
The existing and electronic product that is likely to occur on the automobiles such as electronic equipment and vehicle-mounted computer in case, air-conditioning system.
It is provided with interface corresponding with various automobile electronics on the test fixture 30, is produced with automotive electronics with realizing
The connection of product, which can be the corresponding interface of automobile electronics that are existing and being likely to occur, to adapt to different vapour
Vehicle electronic product is not restricted the type and quantity of interface in the present embodiment.
Test fixture 30 is connected with the communication of host computer 40, is specifically as follows through wireless telecommunications connection and 40 phase of host computer
Even, can also be connected with host computer 40 by communication bus 50.The host computer 40 can be computer or server, use
In the process, automobile electronics may include control chip, and be brushed into various softwares, and further by upper in controlling chip
Position machine 40 controls the operating mode of automobile electronics, to measure electric current of the automobile electronics under different working condition.
In embodiment of the disclosure, brushed in the control chip of automobile electronics into software be existing automobile normal use
The software run under state to guarantee to obtain the real work electric current of automobile electronics, and is controlled by host computer 40
The operating mode of automobile electronics processed is also to rely on the prior art may be implemented.
It is further illustrated for testing the electric current of radar for backing car of automobile in embodiment of the disclosure.It is needing to test
When the electric current of vehicle radar, radar for backing car is connected with test fixture 30, and using host computer 40 select different operating modes with
Test corresponding electric current.With first test job electric current in the present embodiment, illustrate for re-test standby current.
Due to the electric current that the operating current of radar for backing car is ampere levels, so controlling radar for backing car by host computer 40
Operating mode be in working condition after, the ampere shelves of ammeter are connected with ammeter connector 12 first in the present embodiment, and
The operating current of radar for backing car can then be measured at this point, connecting first switch 11 again by ammeter by disconnecting second switch 13.
Ammeter in embodiment of the disclosure is multi gear position ammeter or multi gear position multimeter, this multi gear position ammeter
Or multi gear position multimeter is easy to use, cost is relatively low, can conveniently measure electric current to be measured.
The standby current of radar for backing car is the other electric current of microampere order, so standard can just be measured by needing replacing the gear of ammeter
True electric current connects second switch 13, then disconnect first switch 11 first here, at this point, controlling reversing thunder by host computer 40
Up to being microampere shelves for standby mode and by the gear of operating personnel's manual switching ammeter, then connect first switch 11, and
First switch 11 disconnects second switch 13 after connecting, at this point, the standby current of radar for backing car can be measured by ammeter.
In this way, the utility model can disconnect electricity by the way that testing current adaptation box 10 is arranged in switching electric current table gear
The first branch where flow table, and in an ON state by the second branch holding circuit, the gear for having replaced ammeter it
Afterwards, by disconnecting the second branch, electric current can be tested by the ammeter being set in the first branch, can realized general in replacement
During the gear of energization flow table, automobile electronics to be measured are in not off-position, more meet the reality of automobile electronics
Border working condition keeps test result more acurrate.
In a specific embodiment, can also flow straightener be set in the current testing device of the automobile electronics
60, the pace of change of electric current can be reduced, prevents current break from damaging ammeter.In the present embodiment, flow straightener 60 is set to electricity
Current test is adapted in the first branch of box 10, or is adapted to box 10 with testing current and is in series, and protective current table can be played
Effect.In still another embodiment, which can be stabilizing inducatnce, or the flow straighteners such as voltage-stabiliser tube 60.
In embodiment of the disclosure, the order of connection of power module 20, testing current adaptation box 10 and test fixture 30 is
It can adjust as the case may be, such as can be that the anode of power module 20 is adapted to the input terminal phase of box 10 with testing current
Even, testing current be adapted to box 10 output end and test fixture 30 positive terminal, the negative terminals of test fixture 30 and
The cathode of power module 20 is connected.It can also be that the positive of power module 20 is connected with the input terminal of test fixture 30, test work
Fill 30 output end be adapted to testing current box 10 input terminal be connected, testing current adaptation box 10 output end and power module
20 cathode is connected.It, can be to testing work as long as power module 20, testing current are adapted to box 10 and test fixture 30 is serially connected
The electric current for filling the automobile electronics to be measured on 30 measures.
" connection ", " connected " described in any of the above embodiment each mean " electrical connection ", that is to say unless otherwise specified
Current path can be formed between two objects connected, might not be in direct contact.Any of the above embodiment is provided
" communication connection " refer to communication connection two objects between may be implemented to communicate, be not meant to be necessarily required to pass through communication line
Cable is connected directly.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation or replace
It changes, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with claim
Subject to protection domain.
Claims (10)
1. a kind of testing current is adapted to box, which is characterized in that including input terminal and output end, the testing current is adapted to the defeated of box
It includes the first branch and the second branch that are mutually in parallel to enter between end and output end, first switch that the first branch includes and
Ammeter connector, the second branch include second switch.
2. testing current as described in claim 1 is adapted to box, which is characterized in that the ammeter connector includes mutual insulating
Positive jack and cathode jack, the anode jack input terminal of box is adapted to the testing current by the first switch
It is connected, the output end conduction that the cathode jack is adapted to box with the testing current is connected.
3. a kind of current testing device of automobile electronics, which is characterized in that including power module, test fixture, host computer
It is adapted to box with the testing current described in any one of claim 1 to 2, the test fixture is communicated to connect with the host computer,
And the test fixture is powered by the power module, is provided on the test fixture opposite with the automobile electronics
The interface answered, the testing current adaptation box are connected between the test fixture and the power module.
4. the current testing device of automobile electronics as claimed in claim 3, which is characterized in that further include flow straightener, institute
It states flow straightener and is set to the first branch of testing current adaptation box or is adapted to box with the testing current and be in series.
5. the current testing device of automobile electronics as claimed in claim 4, which is characterized in that the flow straightener is current stabilization
Inductance.
6. the current testing device of the automobile electronics as described in any one of claim 3 to 5, which is characterized in that also wrap
Ammeter is included, the ammeter is detachably connected with the ammeter connector.
7. the current testing device of automobile electronics as claimed in claim 6, which is characterized in that the ammeter is multi gear
Position ammeter or multi gear position multimeter.
8. the current testing device of the automobile electronics as described in any one of claim 3 to 5, which is characterized in that described
Test fixture is communicated to connect by communication bus and the host computer.
9. the current testing device of the automobile electronics as described in any one of claim 3 to 5, which is characterized in that described
Power module is DC power supplier.
10. the current testing device of automobile electronics as claimed in claim 9, which is characterized in that the power module
The positive input terminal that box is adapted to the testing current is connected, the output end and the test fixture of the testing current adaptation box
Positive terminal be connected, the negative terminals of the test fixture are connected with the cathode of the power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235161.2U CN207894990U (en) | 2018-02-09 | 2018-02-09 | A kind of current testing device of testing current adaptation box and automobile electronics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820235161.2U CN207894990U (en) | 2018-02-09 | 2018-02-09 | A kind of current testing device of testing current adaptation box and automobile electronics |
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| Publication Number | Publication Date |
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| CN207894990U true CN207894990U (en) | 2018-09-21 |
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| CN201820235161.2U Active CN207894990U (en) | 2018-02-09 | 2018-02-09 | A kind of current testing device of testing current adaptation box and automobile electronics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034279A (en) * | 2020-07-22 | 2020-12-04 | 惠州市德赛西威汽车电子股份有限公司 | Constant power supply testing device, system and method |
| CN115389803A (en) * | 2021-05-24 | 2022-11-25 | 神讯电脑(昆山)有限公司 | Anti-creeping device and method for electronic product |
-
2018
- 2018-02-09 CN CN201820235161.2U patent/CN207894990U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112034279A (en) * | 2020-07-22 | 2020-12-04 | 惠州市德赛西威汽车电子股份有限公司 | Constant power supply testing device, system and method |
| CN115389803A (en) * | 2021-05-24 | 2022-11-25 | 神讯电脑(昆山)有限公司 | Anti-creeping device and method for electronic product |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211123 Address after: Room 103, building 1, yard 4, Hengxing Road, Gaoliying Town, Shunyi District, Beijing Patentee after: Beijing Rockwell Technology Co.,Ltd. Address before: Room 801, 8 / F, building 3, No.10 courtyard, Wangjing street, Chaoyang District, Beijing 100102 Patentee before: BEIJING CHJ AUTOMOTIVE TECHNOLOGY Co.,Ltd. |