CN105652126A - Hand-pushed integrated test cart - Google Patents
Hand-pushed integrated test cart Download PDFInfo
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- CN105652126A CN105652126A CN201610125368.XA CN201610125368A CN105652126A CN 105652126 A CN105652126 A CN 105652126A CN 201610125368 A CN201610125368 A CN 201610125368A CN 105652126 A CN105652126 A CN 105652126A
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- China
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- test
- power supply
- transformer
- withstand voltage
- industrial frequency
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- General Physics & Mathematics (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a hand-pushed integrated test cart. The hand-pushed integrated test cart comprises a transformer integrated instrument test part. The transformer integrated instrument test part comprises a machine body, various test instruments, a test line switching center and a power source. The test instruments are installed on the machine body and used for testing various properties of a transformer. One end of the test line switching center is connected with test lines of the test instruments, the other end of the test line switching center is connected with the transformer, and the test line switching center is used for switching the correspondingly-needed test instruments when the properties of the transformer are tested. The power source is used for providing electric energy for the test instruments and the test line switching center. According to the hand-pushed integrated test cart, all detection tests on the transformer can be completed just by adopting one set of test lines and automatically switching various test items, so that test wiring is greatly simplified, the frequency of wiring on the transformer is reduced, and the workload is relieved.
Description
Technical field
The present invention relates to a kind of hand propelled combined test car.
Background technology
Need through a lot of detections when transformator dispatches from the factory, such as insulation resistance absorptance, D.C. resistance, no-load voltage ratio, open circuit loss short circuit loss, the project such as industrial frequency withstand voltage. And in prior art, each test item needs to use a set of p-wire, it is necessary to frequently change p-wire, waste time and energy; And numerous and diverse numerous and disorderly due to various p-wires, power line etc., more it is the increase in the difficulty in test process and labor intensity.
Summary of the invention
Owing to prior art also exists the problems referred to above, the present invention proposes a kind of hand propelled combined test car, and it can effectively solve the problem that problems of the prior art,
The present invention solves the problems referred to above by the following technical programs:
A kind of hand propelled combined test car, including: a transformer synthesis instrument test portion, described transformer synthesis instrument test portion, comprising: a body; The various test instrunments of the test each performance of transformator being installed on described body; One p-wire main dispatching centre, it connects the p-wire of described various test instrunments in one end respectively, and the other end of described p-wire main dispatching centre is connected with described transformator, it is for the switching to corresponding required described test instrunment when testing each performance of described transformator; One power supply, it is for providing electric energy for described each test instrunment and p-wire main dispatching centre.
Described various test instrunment includes fully automatic electric pressure ratio test instrunment, D.C. resistance high speed tester device, Measuing Meter for Transformer Performance device, Insulation Resistance Tester device, and the guidance panel of each described test instrunment is divided equally on the front surface being laid in described body.
The rear surface of described body is provided with to have the terminals of multiple connection jaws, connection and control the circuit switching control end of described p-wire main dispatching centre, the power control terminal being connected with described power supply, an experiment power supply input, test circuit outfan and p-wire and controls and protect control centre.
Also include an industrial frequency withstand voltage test department, described industrial frequency withstand voltage test department includes a three-phase regulator and an industrial frequency withstand voltage testing stand being connected with described three-phase regulator, described industrial frequency withstand voltage testing stand is used for the power supply and the communication that switch in described industrial frequency withstand voltage test department, meanwhile, described industrial frequency withstand voltage testing stand may also provide single phase ac 220V required when testing described transformator sky load test to described transformer synthesis instrument test portion one or three-phase alternating current 380V experiment power supply.
Described industrial frequency withstand voltage test department connects described experiment power supply input by a cable and described experiment power supply is supplied to described transformer synthesis instrument test portion.
The rear surface of described body is arranged over a handle, and is provided with two castors in the bottom of the rear surface of described body, is provided with leg in the bottom of the front surface of described body, and when pulling described handle, described body tilts, described less touch with the ground.
Described power supply is accumulator and/or the externally fed power supply being connected described terminals by electric wire.
Described fully automatic electric pressure ratio test instrunment, described D.C. resistance high speed tester device, Measuing Meter for Transformer Performance device are respectively provided with wireless data interface, be connected with computer and/or printer by described wireless data interface, with real-time communication and record data and/or printing test report.
Described industrial frequency withstand voltage test department is provided with acousto-optic warning signal and inside and outside radio communication equipment, when experiment power supply described in process of the test occurs abnormal, described acousto-optic warning signal sends alarm, and operator can pass through experiment power supply described in inside and outside radio communication equipment remote-control cut-off.
Also include an Automated library system software control portion, this Automated library system software control portion can control each test instrunment and described industrial frequency withstand voltage test department, and the automatic data collection that each instrument and described industrial frequency withstand voltage test department are tested forms test report with building database.
Owing to have employed above-mentioned technological means, the hand propelled combined test car of the application only need to be adopted a set of p-wire and can each detection test of transformator be fully completed by the automatic switchover of each pilot project, enormously simplify test connection, decrease transformer connection number of times, reduce workload.
Accompanying drawing explanation
Fig. 1 is the front view of one embodiment of the invention;
Fig. 2 is the rearview of Fig. 1 of the present invention;
Fig. 3 is the side view of Fig. 1 of the present invention.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
Referring to shown in Fig. 1 to Fig. 3, Fig. 1 is the front view of one embodiment of the invention; Fig. 2 is the rearview of Fig. 1 of the present invention; Fig. 3 is the side view of Fig. 1 of the present invention. Hand propelled combined test car in the present embodiment, including a transformer synthesis instrument test portion. Described transformer synthesis instrument test portion includes the devices such as a body, various test instrunment, p-wire main dispatching centre, power supply.
Wherein:
Body 1 is provided with various test instrunment, and as Figure 1-3, the guidance panel of each described test instrunment is divided equally on the front surface 11 being laid in described body. The rear surface 12 of described body 1 be provided with there is multiple connection jaws terminals 6, connect and control that the circuit switching of described p-wire main dispatching centre controls end 7, power control terminal 8, the experiment power supply input 9 being connected with described power supply, test circuit outfan 10 and p-wire control and protect control centre 13. The rear surface 12 of described body 1 is arranged over a handle 14, and it is provided with two castors 15 in the bottom of the rear surface of described body 1, it is provided with leg 16 in the bottom of the front surface of described body 1, when pulling described handle, described body tilts, described less touch with the ground, anterior leg can use so that body carries on the position of vehicle or higher as handle.
In the present embodiment, test instrunment includes fully automatic electric pressure ratio test instrunment 2, D.C. resistance high speed tester device 3, Measuing Meter for Transformer Performance device 4, Insulation Resistance Tester device 5.One end of the p-wire of above-mentioned each test instrunment and described p-wire main dispatching centre (not shown in the figures anticipate out) is connected. The other end of this test elder generation main dispatching centre is connected with described transformator, and it is for the switching to corresponding required described test instrunment when testing each performance of described transformator. The first main dispatching centre of test controls end 7 with circuit switching and is connected, and switches over operation under the control of the first switching control end 7 of test.
Fully automatic electric pressure ratio test instrunment 2, it possesses menu in Chinese prompting, simple to operation. It is big that this fully automatic electric pressure ratio test instrunment 2 no-load voltage ratio measures scope: 0.95-5000. It is powerful: both can carry out the measurement of single-phase transformer, can realize again the automatic test of three-phase windings, and single-phase, three-phase all can measure polarity, and connecting group grade can arbitrarily select, once complete to measure the no-load voltage ratio value of AB, BC, CA three-phase, error, etc. parameter. And fully automatic electric pressure ratio test instrunment 2 is managed by sheet format measurement data, three nominal transformation ratios tapped, three-phase error and actual measurement voltage ratio can be shown simultaneously. Fully automatic electric pressure ratio test instrunment 2 can detect that height crimping is anti-and waits maloperation situation, and automatically powers off; The connection group of transformator can be automatically determined, and connect deck label; Adopt software calibration mode, it is ensured that long-time stability; It is provided with real-time clock, at any time recording test time; Can maintain up to the voltage ratio parameter of 30 transformators and can consult at any time; There is wireless data interface and with computer communication, test report can be automatically generated by computer; Adopt high speed thermal printer, can rapid field printing test result.
D.C. resistance high speed tester device 3, it adopts large-screen lc menu Chinese character man machine interface, character reminding, it is easy to operation, and carries out table formateed data management, can show the three-phase resistance of multiple tap, also resistance can be converted to 75 DEG C automatically. D.C. resistance high speed tester device 3 has 4 testing clamps, can automatically carry out the measurement of Three-Phase Transformer phase resistance and line resistance; Can automatically carry out the measurement of temperature rise thermal resistance, start self-clocking from power-off, carried out the measurement of high-low pressure thermal resistance every 30 seconds respectively, and automatic record, terminating until having surveyed reference resistance, institute's bolometric data, PC can be read in by data card and automatically generating test report. Meanwhile, resistance test result can preserve, inquires about, automatically generate test report also by data card reading PC. D.C. resistance high speed tester device 3 adopts software calibration mode, it is ensured that long-time stability; It is provided with real-time clock, at any time recording test time; Meanwhile, adopt high speed thermal printer, can rapid field printing test result; There is wireless data interface and with computer communication, test report can be automatically generated by computer.
Measuing Meter for Transformer Performance device 4, it can the parameter such as measuring transformer open circuit loss, no-load current, load loss, impedance voltage, measuring three-phase voltage, current true virtual value and active power, No-load Test of Transformer can catch set point test data automatically simultaneously. The automatic range switching of Measuing Meter for Transformer Performance device 4, and CT, PT can be coupled carry out the measurement of high-power transformer, all measurement data display direct-reading value. It can accurately measure the parameter under setting value in no-load test, need not carry out voltage correction. Load test can carry out reducing the measurement under electric current, and automatically electric current is converted rated value. The result of the test such as load loss, impedance voltage is converted 75 DEG C by Measuing Meter for Transformer Performance device 4 automatically.And adopting the full menu Chinese character man machine interface of large-screen lc, character reminding is easily operated. Measuing Meter for Transformer Performance device 4 has software calibration function, can carry out the automatic calibration of voltage, electric current, power, phase place; It is provided with real-time clock, at any time recording test time; Can protecting nominal parameter and zero load, load test record and the result of transformator, power down is not lost, and can consult test data at any time; Meanwhile, Measuing Meter for Transformer Performance device 4 has wireless data interface with computer communication, can automatically generate test report by computer, can field print test result.
Insulation Resistance Tester device 5, it adopts 32 8-digit microcontrollers to control, full Chinese operation interface, easy to operate; Automatically calculate absorptance and polarization index, and the automatic storage data per minute of 15 seconds, 1 minute, 10 minutes are easy to analyze; Output electric current is big, short circuit current >=5mA; Capacity of resisting disturbance is strong, can meet Ultra-high Voltage Substations execute-in-place; It is completed automatic discharging monitor in real time discharge process; Included rechargeable battery and charger, fully charged can use 6��12 hours continuously.
It is another it should be noted that power supply is used to described each test instrunment and p-wire main dispatching centre provides electric energy. Described power supply is included accumulator and/or is connected the externally fed power supply of described terminals by electric wire. When the accumulator being equipped with can be inconvenient to provide external power source at the scene, realization is powered. This power supply is connected with power control terminal 8. Carry out accumulator by power control terminal 8, the selection of external power source switches and controls.
Additionally, the application also includes an independent industrial frequency withstand voltage test department. This industrial frequency withstand voltage test department can use or do not use according to the needs of actual tests.
Described industrial frequency withstand voltage test department includes a three-phase regulator and an industrial frequency withstand voltage testing stand being connected with described three-phase regulator. Described industrial frequency withstand voltage testing stand is used for the power supply and the communication that switch in described industrial frequency withstand voltage test department, meanwhile, described industrial frequency withstand voltage testing stand may also provide single phase ac 220V required when testing described transformator sky load test to described transformer synthesis instrument test portion one or three-phase alternating current 380V experiment power supply. Described industrial frequency withstand voltage test department connects described experiment power supply input by a cable and described experiment power supply is supplied to described transformer synthesis instrument test portion.
Described industrial frequency withstand voltage test department is provided with acousto-optic warning signal and inside and outside radio communication equipment, when experiment power supply described in process of the test occurs abnormal, described acousto-optic warning signal sends alarm, operator can pass through experiment power supply described in inside and outside radio communication equipment remote-control cut-off, the safety of the person and trial target to guarantee testing crew.
Additionally, for the ease of operation, the present embodiment may also include an Automated library system software control portion 17. This Automated library system software control portion 17 can control each test instrunment and described industrial frequency withstand voltage test department, and the automatic data collection that each instrument and described industrial frequency withstand voltage test department are tested forms test report with building database.
The handbarrow combined test car of the application adopts a set of p-wire, it is possible to by disposable for transformer test winding company it follows that carry out all tests. The projects such as test wire is connected with hand propelled testing stand can complete pilot project: insulation resistance absorptance, D.C. resistance, no-load voltage ratio, open circuit loss short circuit loss, industrial frequency withstand voltage, enormously simplify test connection, decrease transformer connection number of times. Testing stand does not only reach to the switching of test equipment room, realizes the automatic commutation of D.C. resistance test simultaneously, automatically carries out the measurement of triple line resistance and phase resistance.
The handbarrow combined test car of the application is started with from solving practical problem work, forms special purpose test equipment.1, the problem that transformer testing downlead is many is solved: originally test needs each test item to use a set of p-wire, it is necessary to frequently changes p-wire, wastes time and energy. And this instruction carriage adopts a set of p-wire can complete all pilot projects, reduce workload, reduce labor intensity. 2, solve main transformer top and frequently change wiring issue: for eliminating the problem of main transformer top sleeve pipe change wiring up and down repeatedly, have developed short-circuit grounding device, thoroughly will change wiring and be forwarded to " ground " by " in the air ", and eliminate top wiring personnel. 3, pilot project automatic switchover problem is solved: changing for reducing test apparatus wiring, have developed project switching device, primary connection completes, by visual operation interface, it is achieved pilot project and the separate automatic switchover of winding. 4, portability: small in volume, attractive and durable.
Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention. In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Claims (10)
1. a hand propelled combined test car, it is characterised in that including: a transformer synthesis instrument test portion, described transformer synthesis instrument test portion, comprising:
One body;
The various test instrunments of the test each performance of transformator being installed on described body;
One p-wire main dispatching centre, it connects the p-wire of described various test instrunments in one end respectively, and the other end of described p-wire main dispatching centre is connected with described transformator, it is for the switching to corresponding required described test instrunment when testing each performance of described transformator;
One power supply, it is for providing electric energy for described each test instrunment and p-wire main dispatching centre.
2. hand propelled combined test car according to claim 1, it is characterized in that, described various test instrunment includes fully automatic electric pressure ratio test instrunment, D.C. resistance high speed tester device, Measuing Meter for Transformer Performance device, Insulation Resistance Tester device, and the guidance panel of each described test instrunment is divided equally on the front surface being laid in described body.
3. hand propelled combined test car according to claim 1; it is characterized in that, the rear surface of described body is provided with to have the terminals of multiple connection jaws, connection and control the circuit switching control end of described p-wire main dispatching centre, the power control terminal being connected with described power supply, an experiment power supply input, test circuit outfan and p-wire and controls and protect control centre.
4. hand propelled combined test car according to claim 1, it is characterized in that, also include an industrial frequency withstand voltage test department, described industrial frequency withstand voltage test department includes a three-phase regulator and an industrial frequency withstand voltage testing stand being connected with described three-phase regulator, described industrial frequency withstand voltage testing stand is used for the power supply and the communication that switch in described industrial frequency withstand voltage test department, meanwhile, described industrial frequency withstand voltage testing stand may also provide single phase ac 220V required when testing described transformator sky load test to described transformer synthesis instrument test portion one or three-phase alternating current 380V experiment power supply.
5. hand propelled combined test car according to claim 3, it is characterised in that described industrial frequency withstand voltage test department connects described experiment power supply input by a cable and described experiment power supply is supplied to described transformer synthesis instrument test portion.
6. hand propelled combined test car according to claim 1 or 5, it is characterized in that, the rear surface of described body is arranged over a handle, and two castors it are provided with in the bottom of the rear surface of described body, it is provided with leg in the bottom of the front surface of described body, when pulling described handle, described body tilts, described less touch with the ground.
7. hand propelled combined test car according to claim 1, it is characterised in that described power supply is accumulator and/or the externally fed power supply being connected described terminals by electric wire.
8. hand propelled combined test car according to claim 1, it is characterized in that, described fully automatic electric pressure ratio test instrunment, described D.C. resistance high speed tester device, Measuing Meter for Transformer Performance device are respectively provided with wireless data interface, be connected with computer and/or printer by described wireless data interface, with real-time communication and record data and/or printing test report.
9. hand propelled combined test car according to claim 4, it is characterized in that, described industrial frequency withstand voltage test department is provided with acousto-optic warning signal and inside and outside radio communication equipment, when experiment power supply described in process of the test occurs abnormal, described acousto-optic warning signal sends alarm, and operator can pass through experiment power supply described in inside and outside radio communication equipment remote-control cut-off.
10. according to described hand propelled combined test car arbitrary in claim 1,2,3,4,5,7,8,9, it is characterized in that, also include an Automated library system software control portion, this Automated library system software control portion can control each test instrunment and described industrial frequency withstand voltage test department, and the automatic data collection that each instrument and described industrial frequency withstand voltage test department are tested forms test report with building database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125368.XA CN105652126A (en) | 2016-03-04 | 2016-03-04 | Hand-pushed integrated test cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125368.XA CN105652126A (en) | 2016-03-04 | 2016-03-04 | Hand-pushed integrated test cart |
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| CN105652126A true CN105652126A (en) | 2016-06-08 |
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| CN201610125368.XA Pending CN105652126A (en) | 2016-03-04 | 2016-03-04 | Hand-pushed integrated test cart |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054005A (en) * | 2016-08-03 | 2016-10-26 | 国网天津市电力公司 | Automatic test system for temperature rise test of transformer |
| CN106771780A (en) * | 2017-02-07 | 2017-05-31 | 国网河南省电力公司新乡供电公司 | A kind of Winding in Power Transformer comprehensive test analysis device |
| CN109239495A (en) * | 2018-09-26 | 2019-01-18 | 合肥博微田村电气有限公司 | A kind of transformer performance automatic detection device |
| CN110286290A (en) * | 2019-07-09 | 2019-09-27 | 江苏安方电力科技有限公司 | A kind of transformer automatic connection device |
| CN113064104A (en) * | 2021-03-17 | 2021-07-02 | 安徽莱特实业集团有限公司 | Full-automatic transformation ratio and direct current resistance testing device |
-
2016
- 2016-03-04 CN CN201610125368.XA patent/CN105652126A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054005A (en) * | 2016-08-03 | 2016-10-26 | 国网天津市电力公司 | Automatic test system for temperature rise test of transformer |
| CN106771780A (en) * | 2017-02-07 | 2017-05-31 | 国网河南省电力公司新乡供电公司 | A kind of Winding in Power Transformer comprehensive test analysis device |
| CN109239495A (en) * | 2018-09-26 | 2019-01-18 | 合肥博微田村电气有限公司 | A kind of transformer performance automatic detection device |
| CN110286290A (en) * | 2019-07-09 | 2019-09-27 | 江苏安方电力科技有限公司 | A kind of transformer automatic connection device |
| CN113064104A (en) * | 2021-03-17 | 2021-07-02 | 安徽莱特实业集团有限公司 | Full-automatic transformation ratio and direct current resistance testing device |
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Application publication date: 20160608 |
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