CN203054090U - Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device - Google Patents
Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device Download PDFInfo
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- CN203054090U CN203054090U CN 201220735184 CN201220735184U CN203054090U CN 203054090 U CN203054090 U CN 203054090U CN 201220735184 CN201220735184 CN 201220735184 CN 201220735184 U CN201220735184 U CN 201220735184U CN 203054090 U CN203054090 U CN 203054090U
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- 238000012360 testing method Methods 0.000 title claims abstract description 74
- 230000009466 transformation Effects 0.000 title abstract 7
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000010354 integration Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device, which comprises vehicle-mounted personal computer (PC), a relay control and communication switching unit, a three-phase direct-current resistance, transformation ratio and load comprehensive testing unit and a relay board used for switching a testing line. The vehicle-mounted PC carries out testing data communication with the three-phase direct-current resistance, transformation ratio and load comprehensive testing unit through the relay control and communication switching unit, and the relay board is connected with the testing line of the three-phase direct-current resistance, transformation ratio and load comprehensive testing unit. According to the vehicle-mounted integral three-phase direct-current resistance, transformation ratio and load comprehensive testing device, a measurement process is automatic, testing time is shortened, occupied space is small by means of effective functional rectification, wiring times are reduced, work efficiency is improved, labor intensity is lowered, three tests of transformation ratio, load and direct current resistance are finished in a one-time wiring mode, time and labor are saved, and application prospects are good.
Description
Technical field
The utility model belongs to electric integrated field of measuring technique, is specifically related to a kind of onboard integrated three-phase dc resistance, no-load voltage ratio, the comprehensive test device of carrying is arranged.
Background technology
Traditional electric combined test car mainly realizes measuring the direct current resistance of main-transformer in the electric system, no-load voltage ratio, three projects of the parameter of load ratio bridging switch, need with three different instruments, separately measure item by item, but it is many to measure the wiring amount, complicated, to distinguish wiring independent measurement respectively several times, because it is many to measure connection times, setting up time is long, thereby it is big to have increased labour intensity, and inefficiency is measured repeatedly the manual change at direct current resistance in addition and measured wiring, at high pressure, the middle pressure, low-pressure side is measured and is divided three wiring just can finish a pilot project, power off time is long, increases the staff and steps on visit often, has wasted the man power and material greatly.
The utility model content
In order to overcome the problems of the prior art, onboard integrated three-phase dc resistance, the no-load voltage ratio that the utility model provides, have and carry a comprehensive test device, measuring process is automatic, and reduces the test time spent, integrate by effective function, it is little to occupy the space, reduces connection times, increases work efficiency, reduce labour intensity, primary connection finishes no-load voltage ratio, have carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
In order to achieve the above object, the technical scheme that adopts of the utility model is:
A kind of onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: comprise vehicle-mounted PC, relay control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, described vehicle-mounted PC by relay control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to carry out the test data communication, described relay board with three-phase dc resistance, no-load voltage ratio, have the p-wire of year integration test unit to be connected.
Aforesaid onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
Aforesaid onboard integrated three-phase dc resistance, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to comprise direct current resistance test module, the no-load voltage ratio test module that is connected with relay board respectively and the test module of carrying is arranged.
The beneficial effects of the utility model are: onboard integrated three-phase dc resistance, the no-load voltage ratio that the utility model provides, have and carry a comprehensive test device, measuring process is automatic, reduces the test time spent, integrates by effective function, and it is little to occupy the space, meet vehicle-mounted requirement, reduce connection times, increase work efficiency, reduce labour intensity, primary connection finishes no-load voltage ratio, have carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
Description of drawings
Fig. 1 is onboard integrated three-phase dc resistance of the present utility model, no-load voltage ratio, the synoptic diagram that carries comprehensive test device is arranged.
Fig. 2 is the connection diagram of relay board of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of onboard integrated three-phase dc resistance, no-load voltage ratio, the comprehensive test device of carrying is arranged, comprise vehicle-mounted PC, relay control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, vehicle-mounted PC is by relay control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, there is the integration test unit of carrying to carry out the test data communication, relay board and three-phase dc resistance, no-load voltage ratio, there is the p-wire that carries the integration test unit to be connected, utilize vehicle-mounted PC by relay control and signal of communication switch unit with three-phase dc resistance, no-load voltage ratio, there is the test data of carrying comprehensive measurement unit to be transferred on the vehicle-mounted PC, three-phase dc resistance, no-load voltage ratio, there is the integration test unit of carrying to comprise the direct current resistance test module that is connected with relay board respectively, no-load voltage ratio test module and have and carry a test module, by relay board with three-phase dc resistance, no-load voltage ratio, there is the p-wire that carries comprehensive tester to switch, select the p-wire of the required test module of different test parameters, relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
As shown in Figure 2, K1 on the relay board, K6, K7, K11 relay are transformed into the p-wire of no-load voltage ratio test module on the interface unit of relay board, to there be the p-wire that carries test module to be transformed on the interface unit of relay board by the K2 on the relay board, K4, K14 relay, by the K3 on the relay board 4, K5, K9, K10, K12, K13 relay the p-wire of direct current resistance test module be transformed on the interface unit of relay board.
Based on above-mentioned onboard integrated three-phase dc resistance, no-load voltage ratio, the method for testing of carrying comprehensive test device is arranged, may further comprise the steps,
The first step connects the wiring on the high, medium and low voltage sleeve pipe of transformer to be measured, and is connected to electric current and the voltage end of the p-wire interface unit of high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side on the corresponding relay board;
Second step, if test three-phase dc resistance parameter, relay board automaticallyes switch and is connected with the direct current resistance test module, and adopt the magnetic assist method to carry out the direct current resistance parameter testing, namely annotate magnetic from trend high-pressure side p-wire interface unit, finish the direct current resistance parameter measurement to low-pressure side p-wire interface unit;
The 3rd step, if test no-load voltage ratio parameter, relay board automaticallyes switch and is connected with the test module of carrying is arranged, and by the parameter that vehicle-mounted PC arranges, control high-pressure side p-wire interface unit centering and press side test line interface unit or high-pressure side p-wire interface unit that low-pressure side p-wire interface unit is carried out the no-load voltage ratio measurement;
In the 4th step, if test has the parameter of carrying, relay board automaticallyes switch and is connected with the test module of carrying is arranged, and control low-pressure side p-wire interface unit short circuit ground connection, prevents induction electromotive force interferometry precision.
In sum, onboard integrated three-phase dc resistance of the present utility model, no-load voltage ratio, comprehensive test device and the device of carrying arranged, all wiring only need be the height of main transformer transformer, in, low-tension bushing all connects by p-wire is disposable, and just can finish no-load voltage ratio by handling vehicle-mounted PC spare, have and carry, the surveying work of direct current resistance, measuring process is automatic, reduce the test time spent, integrate by effective function, and it is little to occupy the space, meets vehicle-mounted requirement, reduce connection times, increase work efficiency, reduce labour intensity, primary connection is finished no-load voltage ratio, have and carry, three kinds of tests of direct current resistance, time saving and energy saving, have a good application prospect.
Ultimate principle, principal character and the advantage of the utility model device have more than been described.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
- An onboard integrated three-phase dc resistance, no-load voltage ratio, the comprehensive test device of carrying is arranged, it is characterized in that: comprise vehicle-mounted PC, relay control and communication switch unit, three-phase dc resistance, no-load voltage ratio, the relay board that carries the integration test unit and be used for the switch test line is arranged, described vehicle-mounted PC by relay control and signal of communication switch unit and three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to carry out the test data communication, described relay board with three-phase dc resistance, no-load voltage ratio, have the p-wire of year integration test unit to be connected.
- Onboard integrated three-phase dc resistance according to claim 1, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described relay board comprises high-pressure side p-wire interface unit, medium voltage side p-wire interface unit and low-pressure side p-wire interface unit.
- Onboard integrated three-phase dc resistance according to claim 1, no-load voltage ratio, have and carry a comprehensive test device, it is characterized in that: described three-phase dc resistance, no-load voltage ratio, have the integration test unit of carrying to comprise direct current resistance test module, the no-load voltage ratio test module that is connected with relay board respectively and the test module of carrying is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735184 CN203054090U (en) | 2012-12-27 | 2012-12-27 | Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735184 CN203054090U (en) | 2012-12-27 | 2012-12-27 | Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054090U true CN203054090U (en) | 2013-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735184 Expired - Fee Related CN203054090U (en) | 2012-12-27 | 2012-12-27 | Vehicle-mounted integrated three-phase direct-current resistance, transformation ratio and load comprehensive testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203054090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941122A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Multifunctional transformer comprehensive testing device |
| CN105823928A (en) * | 2016-05-06 | 2016-08-03 | 国网辽宁省电力有限公司丹东供电公司 | Portable direct current resistance and transformation ratio test integrated device and operation method |
-
2012
- 2012-12-27 CN CN 201220735184 patent/CN203054090U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941122A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Multifunctional transformer comprehensive testing device |
| CN103941122B (en) * | 2014-04-04 | 2016-06-15 | 国家电网公司 | A kind of Multifunction transformer test comprehensive test device |
| CN105823928A (en) * | 2016-05-06 | 2016-08-03 | 国网辽宁省电力有限公司丹东供电公司 | Portable direct current resistance and transformation ratio test integrated device and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20191227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |