CN204086312U - A kind of car load testing current electric current voltage conversion device - Google Patents
A kind of car load testing current electric current voltage conversion device Download PDFInfo
- Publication number
- CN204086312U CN204086312U CN201420381589.XU CN201420381589U CN204086312U CN 204086312 U CN204086312 U CN 204086312U CN 201420381589 U CN201420381589 U CN 201420381589U CN 204086312 U CN204086312 U CN 204086312U
- Authority
- CN
- China
- Prior art keywords
- copper
- clad plate
- conversion device
- car load
- voltage conversion
- 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.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 33
- 230000007717 exclusion Effects 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses a kind of car load testing current electric current voltage conversion device, comprise input voltage terminal and current output signal line, it is characterized in that: also comprise copper-clad plate and exclusion, copper-clad plate cuts out acquisition circuit, exclusion on copper-clad plate is welded, described exclusion one end and acquisition circuit output terminal are connected in series, the described exclusion other end is connected with the current output signal line be welded in copper-clad plate, copper-clad plate is welded with input voltage terminal, and described input voltage terminal is connected with acquisition circuit input end.The utility model solves current/voltage conversion equipment in prior art and uses the electronic devices and components such as pcb board, complex structure, production cost is higher, use dirigibility is not enough, and conversion accuracy is low, the problem that data reliability declines greatly, it is simple that the utility model provides a kind of structure, with low cost, test conversion precision is higher, and data are car load testing current electric current voltage conversion device more accurately and reliably.
Description
Technical field
The utility model relates to a kind of car load testing current electric current voltage conversion device, belongs to electric parameters testing technical field.
Background technology
In order to well verify the security that automotive wire bundle designs and rationality; the detailed electrical characteristics of the vehicle-mounted electrical equipment understanding automobile are very well needed in automotive wire bundle performance history; also need checking designed system whether to possess enough protective capabilities simultaneously; and for follow-up system improve and cost optimization data foundation is provided, need to do detailed Current experiments.But current current/voltage conversion equipment needs to use pcb board, described pcb board comprises eight operational amplifiers and exclusion, the input end of described eight operational amplifiers is connected with the input voltage terminal of outside respectively by wire, the output terminal of described eight operational amplifiers is connected with current output terminal by exclusion, described current output terminal is eight tunnel terminal block, this device is provided with eight paths, multichannel collecting can be met use, but this device uses the electronic devices and components such as pcb board, complex structure, production cost is higher, use dirigibility is not enough.Simultaneously when certain loop, road does not need test, original signal circuit is also deposited in a device, affects test environment, and cause conversion accuracy greatly to reduce, data reliability declines greatly.
Utility model content
The electronic devices and components such as pcb board are used in order to solve current/voltage conversion equipment in prior art, complex structure, production cost is higher, use dirigibility is not enough, simultaneously when certain loop, road does not need test, original signal circuit is also deposited in a device, affect test environment, conversion accuracy is caused greatly to reduce, the problem that data reliability declines greatly, it is simple that the utility model provides a kind of structure, with low cost, test conversion precision is higher, and data are car load testing current electric current voltage conversion device more accurately and reliably.
In order to solve the problem, technical solution adopted in the utility model is:
A kind of car load testing current electric current voltage conversion device, comprise input voltage terminal and current output signal line, it is characterized in that: also comprise copper-clad plate and exclusion, copper-clad plate cuts out acquisition circuit, exclusion on copper-clad plate is welded, described exclusion one end and acquisition circuit output terminal are connected in series, the described exclusion other end is connected with the current output signal line be welded in copper-clad plate, copper-clad plate is welded with input voltage terminal, and described input voltage terminal is connected with acquisition circuit input end.
Aforesaid a kind of car load testing current electric current voltage conversion device, is characterized in that: the resistance of described exclusion is 10m Ω, and precision is 0.5%.
Aforesaid a kind of car load testing current electric current voltage conversion device, is characterized in that: the acquisition circuit cutting out a 1mm width in the middle of copper-clad plate, and the copper of copper-clad plate is just cut by the degree of depth of cutting.
Aforesaid a kind of car load testing current electric current voltage conversion device, is characterized in that: described input voltage terminal adopts fuse stitch, and described fuse stitch can adopt Mini fuse stitch, ATO fuse stitch or J-CASE fuse stitch.
Aforesaid a kind of car load testing current electric current voltage conversion device, is characterized in that: described current output signal line adopts twist paired signal line.
Aforesaid a kind of car load testing current electric current voltage conversion device, is characterized in that: the size of described copper-clad plate cuts into Mini fuse, ATO fuse or J-CASE fuse size.
The beneficial effect that the utility model reaches: car load testing current electric current voltage conversion device of the present utility model, the voltage signal of vehicle-mounted electrical equipment can be converted to current signal, adopt copper-clad plate, structure is simple, with low cost, and each test only has a loop, not interference, accurately, the utility model can also need to convert different stitch to according to test environment simultaneously in conversion.As loop fuse use ATO fuse time, can adopt in the copper-clad plate with ATO fuse stitch, if during Mini fuse, can adopt the copper-clad plate with Mini fuse stitch equally, versatility is good, and grafting is changed very convenient.
Accompanying drawing explanation
Fig. 1 is car load testing current electric current voltage conversion device structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of car load testing current electric current voltage conversion device, comprise input voltage terminal 1, current output signal line 2, copper-clad plate 3 and exclusion 4, in the middle of copper-clad plate 3, cut out the acquisition circuit 5 of a 1mm width, and the copper of copper-clad plate is just cut by the degree of depth of cutting.Exclusion 4 is welded in copper-clad plate 3, described exclusion 4 one end and acquisition circuit 5 output terminal are connected in series, described exclusion 4 other end is connected with the current output signal line 2 be welded in copper-clad plate 3, copper-clad plate 3 is welded with input voltage terminal 1, described input voltage terminal 1 is connected with acquisition circuit 5 input end, and described current output signal line 2 adopts twist paired signal line.
Voltage transitions is channel current signal, and principle is select as far as possible little precision micro resistor, gathers the voltage of micro-resistance, the current value in this loop is just drawn according to Ohm law I=U/R, the resistance of exclusion 4 is here 10m Ω, and precision is 0.5%, can effectively improve electric current conversion accuracy.
Described input voltage terminal 1 can adopt fuse stitch, and fuse stitch can adopt Mini fuse stitch, ATO fuse stitch or J-CASE fuse stitch according to the actual needs of test.Be the better aperture adapting to various fuse on automobile electrical equipment box, the size of described copper-clad plate can cut into Mini fuse, ATO fuse or J-CASE fuse size simultaneously, is convenient to Fast Installation dismounting test like this.
In sum, car load testing current electric current voltage conversion device of the present utility model, the voltage signal of vehicle-mounted electrical equipment can be converted to current signal, adopt copper-clad plate 3, structure is simple, with low cost, and each test only has a loop, not interference, accurately, the utility model can also need to convert different stitch to according to test environment simultaneously in conversion.As loop fuse use ATO fuse time, can adopt in the copper-clad plate with ATO fuse stitch, if during Mini fuse, can adopt the copper-clad plate with Mini fuse stitch equally, versatility is good, and grafting is changed very convenient.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a car load testing current electric current voltage conversion device, comprise input voltage terminal and current output signal line, it is characterized in that: also comprise copper-clad plate and exclusion, copper-clad plate cuts out acquisition circuit, exclusion on copper-clad plate is welded, described exclusion one end and acquisition circuit output terminal are connected in series, the described exclusion other end is connected with the current output signal line be welded in copper-clad plate, copper-clad plate is welded with input voltage terminal, and described input voltage terminal is connected with acquisition circuit input end.
2. a kind of car load testing current electric current voltage conversion device according to claim 1, is characterized in that: the resistance of described exclusion is 10m Ω, and precision is 0.5%.
3. a kind of car load testing current electric current voltage conversion device according to claim 2, is characterized in that: the acquisition circuit cutting out a 1mm width in the middle of copper-clad plate, and the copper of copper-clad plate is just cut by the degree of depth of cutting.
4. a kind of car load testing current electric current voltage conversion device according to claim 3, it is characterized in that: described input voltage terminal adopts fuse stitch, and described fuse stitch can adopt Mini fuse stitch, ATO fuse stitch or J-CASE fuse stitch.
5. a kind of car load testing current electric current voltage conversion device according to claim 4, is characterized in that: described current output signal line adopts twist paired signal line.
6. a kind of car load testing current electric current voltage conversion device according to claim 5, is characterized in that: the size of described copper-clad plate cuts into Mini fuse, ATO fuse or J-CASE fuse size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381589.XU CN204086312U (en) | 2014-07-11 | 2014-07-11 | A kind of car load testing current electric current voltage conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381589.XU CN204086312U (en) | 2014-07-11 | 2014-07-11 | A kind of car load testing current electric current voltage conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086312U true CN204086312U (en) | 2015-01-07 |
Family
ID=52179013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381589.XU Expired - Lifetime CN204086312U (en) | 2014-07-11 | 2014-07-11 | A kind of car load testing current electric current voltage conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181495A (en) * | 2017-12-11 | 2018-06-19 | 囯网河北省电力有限公司电力科学研究院 | Current Voltage conversion testing system and method |
-
2014
- 2014-07-11 CN CN201420381589.XU patent/CN204086312U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108181495A (en) * | 2017-12-11 | 2018-06-19 | 囯网河北省电力有限公司电力科学研究院 | Current Voltage conversion testing system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103795054A (en) | Lightning protection system and method of direct-current remote supply power equipment | |
| CN204086312U (en) | A kind of car load testing current electric current voltage conversion device | |
| CN104569717A (en) | Method for on-line monitoring of grounding short circuit by CAN bus | |
| CN204539097U (en) | A kind of noise reduction filtering circuit for pi type filter and a kind of pi type filter | |
| CN103346546A (en) | Lightning protection circuit used for remote measurement terminal | |
| CN204044227U (en) | vehicle-mounted fuse current measuring device | |
| CN109688692B (en) | Method for extracting current and voltage for encryption | |
| CN106353582A (en) | High-voltage side direct current voltage sampling module for power electronic transformer of power distribution network | |
| CN203101499U (en) | Voltage acquisition circuit | |
| CN203312785U (en) | Lightning protection circuit of telemetry terminal machine | |
| CN103424598B (en) | Inversion system output voltage detecting circuit and inversion system | |
| CN204789718U (en) | Improve circuit of copper -manganese current sample SNR | |
| CN207623395U (en) | A kind of divider of ontology and second divided voltage plate Phototube Coupling | |
| CN201956973U (en) | White noise generator | |
| CN203838266U (en) | Current-voltage conversion device for vehicular electric equipment current experiment | |
| CN202502199U (en) | Cable ultrahigh frequency partial discharge detection apparatus | |
| CN204464948U (en) | A kind of on-vehicle safety circuit controller | |
| CN202837452U (en) | Line-finding instrument for finding network cables connected on switchboard and router | |
| CN204740128U (en) | Car fuel sprayer sheath buckle detection device | |
| CN204215019U (en) | A kind of current of electric detection module | |
| CN202994191U (en) | Detection connection device general for electronic handwheel | |
| CN203572881U (en) | Low resistance value detection circuit without mounting or dismounting equipotential device | |
| CN203553313U (en) | Surge protection circuit | |
| CN203312789U (en) | Network-signal lightning arrester | |
| CN203490819U (en) | Testing device provided with resistance attenuator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215326 Huguang Road, Zhangpu Town, Kunshan City, Suzhou, Jiangsu Province, No. 388 Patentee after: KUNSHAN HUGUANG AUTO HARNESS CO.,LTD. Address before: 215326 Huguang Road, Zhangpu Town, Kunshan City, Suzhou, Jiangsu Province, No. 388 Patentee before: KUNSHAN HUGUANG AUTO HARNESS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |