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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Abstract
本实用新型公开的一种车载一体式三相直流电阻、变比、有载综合测试装置，包括车载PC机、继电器控制及通信切换单元、三相直流电阻、变比、有载综合测试单元和用于切换测试线的继电器板，车载PC机通过继电器控制及通信信号切换单元与三相直流电阻、变比、有载综合测试单元进行测试数据通讯，继电器板与三相直流电阻、变比、有载综合测试单元的测试线相连接。本实用新型的测量过程自动，且减少试验用时，通过有效的功能整合，占有空间小，减少接线次数，提高工作效率，降低劳动强度，一次接线完成对变比、有载、直流电阻三种试验，省时省力，具有良好的应用前景。
The utility model discloses a vehicle-mounted integrated three-phase DC resistance, transformation ratio, on-load comprehensive test device, including a vehicle-mounted PC, a relay control and communication switching unit, a three-phase DC resistance, transformation ratio, and on-load comprehensive test unit and The relay board is used to switch the test line. The on-board PC performs test data communication with the three-phase DC resistance, transformation ratio and on-load comprehensive test unit through the relay control and communication signal switching unit. The relay board communicates with the three-phase DC resistance, transformation ratio, The test line of the load integrated test unit is connected. The measurement process of the utility model is automatic, and the test time is reduced. Through effective function integration, it occupies a small space, reduces the number of connections, improves work efficiency, reduces labor intensity, and completes three tests of transformation ratio, load and DC resistance with one connection. , saves time and effort, and has a good application prospect.
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)
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 |
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| 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 |
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| Country | Link |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20191227 |