CN205280878U - Insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling - Google Patents
Insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling Download PDFInfo
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- CN205280878U CN205280878U CN201620014022.8U CN201620014022U CN205280878U CN 205280878 U CN205280878 U CN 205280878U CN 201620014022 U CN201620014022 U CN 201620014022U CN 205280878 U CN205280878 U CN 205280878U
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- 230000005611 electricity Effects 0.000 title abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000006698 induction Effects 0.000 claims description 23
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 abstract 3
- 239000003990 capacitor Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides an insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling, relates to the insulation test field. Traditional transmission line carries out insulation resistance test usually and adopts the insulation resistance value to check the phase place under low influence electricity, and measures safe having a big risk under high influence electricity. The utility model discloses a measurement controller, wireless transmission module, handheld terminal, DC power supply, interference suppression return circuit, selection close a floodgate mutually return circuit, safety protection return circuit and mutual -inductor, measurement controller and wireless transmission module, DC power supply, interference suppression return circuit, current -voltage measurement circuit, selection are closed a floodgate return circuit, safety protection return circuit and mutual -inductor mutually and are linked to each other, and handheld terminal is passed through wireless transmission module and is linked to each other with measurement controller, the direct current of DC power supply output through interference suppression return circuit, selection close a floodgate mutually the return circuit with linked to each other by the survey line way, linked to each other with measurement controller through safety protection return circuit and mutual -inductor by the survey line way. This technical scheme measures and disturbs the size, ensures the personal safety.
Description
Technical field
The utility model relates to insulation test field, and especially interference high induction electric line insulation and phase checking device fall in a kind of high safety.
Background technology
Traditional transmitting line usually carries out insulation resistance test and adopts insulating resistance value to check phase place under low induction electricity, and (being usually greater than 500V) ordinary electronic formula insulation resistance meter cannot test insulation resistance under height induction electricity. And now can only abandon insulation resistance test and core adopts induction voltage and induced current to carry out verification phase place mutually, and induction voltage and induced current core are being grown distance and are being carried out the transmitting line of commutation, induction voltage or induction electricity electric current is adopted cannot accurately to judge phase place, risk is brought to system cloud gray model, and the personal security that induction voltage (being usually greater than 5kV) and induction electricity electric current (being usually greater than 35A) are measured is very risky, it is clear that can not meet nowadays more and more complicated power network line insulation and the test request of core phase.
Practical novel content
The technical assignment of the technical problems to be solved in the utility model and proposition carries out improving to prior art and improves, it is provided that interference high induction electric line insulation and phase checking device fall in a kind of high safety, to improve work accuracy and security object. For this reason, the utility model takes following technical scheme.
Interference high induction electric line insulation and phase checking device fall in a kind of high safety, it is characterised in that: comprise Mersure Controler, transmission over radio module, for check detection case handheld terminal, for provide galvanic direct supply, the AF panel loop for reducing AC influence, the phase selection loop for phase selection, for testing safety protection loop and the mutual inductor of numerical value before AF panel; Described Mersure Controler is connected with transmission over radio module, direct supply, AF panel loop, current-voltage measurement loop, phase selection loop, safety protection loop and mutual inductor, and described handheld terminal is connected with Mersure Controler by transmission over radio module; The direct current that described direct supply exports through AF panel loop, phase selection loop is connected with test line; Test line is connected with Mersure Controler through safety protection loop and mutual inductor. Safety protection loop and the direct wiring of mutual inductor are on test line, it is provided that safeguard protection effect, and measurements interference size, it is ensured that personnel safety. Adopt transmission over radio module to isolate, respond to the isolation of electricity at device without the personnel that thoroughly realize when obvious ground connection, the person of available protecting and device security. Line-frequency induction interference on reduction loop, AF panel loop, it is ensured that high-capacity direct current power supply can steady operation. During measurement, the d. c. voltage signal that DC power output voltage is adjustable, by AF panel loop and option closing circuit be applied to test line separate on, tested separate resistance value is calculated by the ratio of volts DS and electric current, change the state of line end, by the change of resistance value, judge the phase place of test line and the quality of insulation.
As improving further and supplementing technique scheme, the utility model also comprises following additional technical feature.
Also comprising the current-voltage measurement loop for electric current and voltage measurement, described current-voltage measurement loop is between AF panel loop and phase selection loop; Described current-voltage measurement loop is connected with Mersure Controler. Electric current and voltage measurement reduce current interference loop to the impact of the resistance value of test line to eliminate by current-voltage measurement loop, it is ensured that the accuracy of data.
AF panel loop is provided with the protective loop preventing internal dc source fault and participating in charge discharge. Being completed rear protective loop will drop into, direct current power source voltage reduces after a while, and filter capacitor is discharged by protective loop, protection direct supply.
The electric capacity that AF panel loop is provided with resistance and ground connection directly enters in ground circuit through electric capacity with AC influence electric current. This loop adopts T-shaped filtering circuit principle, utilize large value capacitor isolated DC, bypass exchange principle, AC influence electric current is directly entered in ground circuit through electric capacity, utilizes resistance to suppress in loop the alternating current in especially DC power supply circuit, it is ensured that the stable output of direct supply simultaneously. By the effect in this AF panel loop, the voltage of alternating current that final control enters DC power supply circuit is no more than 200V, and electric current is no more than 2A, it is ensured that the normal operation of direct supply.
Described handheld terminal is provided with man-machine interaction interface. Realize human-computer interaction, easy to operate, visual result.
Described handheld terminal is mobile phone or panel computer.
Useful effect: the technical program adopts multiple protector; especially transmission over radio module is adopted to realize isolation; the isolation of electricity is responded to without the personnel that thoroughly realize when obvious ground connection at device; the person of available protecting and device security; by adopting the interference of the line-frequency induction on reduction loop, AF panel loop, it is ensured that high-capacity direct current power supply can steady operation.
Accompanying drawing explanation
Fig. 1 is the utility model structure block diagram.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the utility model comprise Mersure Controler, transmission over radio module, for check detection case handheld terminal, for provide galvanic direct supply, the AF panel loop for reducing AC influence, the phase selection loop for phase selection, for testing safety protection loop and the mutual inductor of numerical value before AF panel; Described Mersure Controler is connected with transmission over radio module, direct supply, AF panel loop, current-voltage measurement loop, phase selection loop, safety protection loop and mutual inductor, and described handheld terminal is connected with Mersure Controler by transmission over radio module; The direct current that described direct supply exports through AF panel loop, phase selection loop is connected with test line; Test line is connected with Mersure Controler through safety protection loop and mutual inductor.
Wherein, direct supply can the adjustable d. c. voltage signal of output voltage, this electric power output voltage maximum direct current 1kV, current DC 2A, export and first reach rated value with both and be as the criterion;
What be connected with direct supply is AF panel loop, this loop adopts T-shaped filtering circuit principle, utilize large value capacitor isolated DC, bypass exchange principle, AC influence electric current is directly entered in ground circuit through electric capacity, utilize resistance to suppress in loop the alternating current in especially DC power supply circuit, it is ensured that the stable output of direct supply simultaneously. By the effect in this AF panel loop, the voltage of alternating current that final control enters DC power supply circuit is no more than 200V, and electric current is no more than 2A, it is ensured that the normal operation of direct supply.
For guaranteeing the accuracy of data, if current-voltage measurement loop loop-coupled with AF panel, current-voltage measurement loop is connected between test line and AF panel loop, completely eliminates and reduces current interference loop to the impact of the resistance value of test line.
For improving Personal Safety, option closing circuit is selected separate by the intelligence in phase-splitting loop automatically, it is achieved the automatic switching in test process.
On safety protection loop and the direct wiring test line of mutual inductor, give complete assembly one obvious safeguard protection effect, and measurements interference size, it is ensured that personnel safety.
Measure-controlling unit and Bluetooth transmission module, be responsible for Survey control and the data wireless transmission of whole system.
Handheld terminal is mobile phone or panel computer, for having big display screen, adopts hand-holdable panel computer in the present embodiment, the man-machine interaction interface that panel computer can provide a safety friendly.
Working process:
1) first operator when safety protection loop drops into; the situation that test line earthing switch blade drops into; test line is accessed device; pull open test line earthing switch blade; now can be recorded the interfering current of test line by the current transformer in safety protection loop, and whether judgment means can work (interfered circuit exchange is not more than 100A).
2) safety protection loop is exited, tested phase is dropped into by man-machine interaction interface, after now suppressing loop to drop into by current-voltage measurement loop measurements interference, interfering current is measured, whether further judgment means can work, exit the protective loop in AF panel loop, device control direct supply boosting, and monitor galvanic current, after volts DS or a certain parameter of galvanic current reach rated value, calculate the resistance value of test line, judge the state of test line, usual test line end is ground connection state, the current value of direct supply will first reach rated value, otherwise magnitude of voltage reaches rated condition. simultaneously owing to this DC power source capacity is big, the charging of filter capacitor will be reached specified very soon. suppressing the protective loop in loop to drop into after being completed, direct current power source voltage reduces after a while, and filter capacitor is discharged by protective loop, protection direct supply.
At this example; by adopting multiple protector especially to adopt bluetooth to isolate; the isolation of electricity is responded to without the personnel that thoroughly realize when obvious ground connection at device; the person of available protecting and device security; by adopting the interference of the line-frequency induction on reduction loop, AF panel loop, it is ensured that high-capacity direct current power supply can steady operation.
Interference high induction electric line insulation falls in a kind of high safety shown in above Fig. 1 and phase checking device is specific embodiment of the utility model; the utility model substantive distinguishing features and progress are embodied; can according to the use needs of reality; under enlightenment of the present utility model; it is carried out the equivalent modifications of the aspect such as shape, structure, all at the row of protection domain of this scheme.
Claims (7)
1. interference high induction electric line insulation and phase checking device fall in a high safety, it is characterised in that: comprise Mersure Controler, transmission over radio module, for check detection case handheld terminal, for provide galvanic direct supply, the AF panel loop for reducing AC influence, the phase selection loop for phase selection, for testing safety protection loop and the mutual inductor of numerical value before AF panel; Described Mersure Controler is connected with transmission over radio module, direct supply, AF panel loop, current-voltage measurement loop, phase selection loop, safety protection loop and mutual inductor, and described handheld terminal is connected with Mersure Controler by transmission over radio module; The direct current that described direct supply exports through AF panel loop, phase selection loop is connected with test line; Test line is connected with Mersure Controler through safety protection loop and mutual inductor.
2. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1, it is characterized in that: also comprising the current-voltage measurement loop for electric current and voltage measurement, described current-voltage measurement loop is between AF panel loop and phase selection loop; Described current-voltage measurement loop is connected with Mersure Controler.
3. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1, it is characterised in that: AF panel loop is provided with the protective loop preventing internal dc source fault and participating in charge discharge.
4. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1, it is characterised in that: the electric capacity that AF panel loop is provided with resistance and ground connection directly enters in ground circuit through electric capacity with AC influence electric current.
5. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1, it is characterised in that: described handheld terminal is provided with man-machine interaction interface.
6. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1, it is characterised in that: described handheld terminal is mobile phone or panel computer.
7. interference high induction electric line insulation and phase checking device fall in a kind of high safety according to claim 1-6 any claim, it is characterised in that: described transmission over radio module is Bluetooth transmission module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014022.8U CN205280878U (en) | 2016-01-07 | 2016-01-07 | Insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014022.8U CN205280878U (en) | 2016-01-07 | 2016-01-07 | Insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling |
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| CN205280878U true CN205280878U (en) | 2016-06-01 |
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| CN201620014022.8U Active CN205280878U (en) | 2016-01-07 | 2016-01-07 | Insulating and nuclear phase device of high influence electricity circuit is disturbed to high safe falling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303142A (en) * | 2018-03-23 | 2018-07-20 | 广州市科钛科技有限公司 | Determine phase nuclear phase, electric current, the harvester of voltage and system for telecommunication network base station |
| CN109752595A (en) * | 2018-12-17 | 2019-05-14 | 广州思泰信息技术有限公司 | Wireless Split intelligent Insulation Resistance Tester |
| CN110221133A (en) * | 2019-06-17 | 2019-09-10 | 国网湖南省电力有限公司 | A kind of quick phasing adjustement of electric system high-tension line and its application method |
| CN112130046A (en) * | 2020-09-24 | 2020-12-25 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Method and device for restraining high-voltage power frequency induced voltage in high-voltage test |
-
2016
- 2016-01-07 CN CN201620014022.8U patent/CN205280878U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108303142A (en) * | 2018-03-23 | 2018-07-20 | 广州市科钛科技有限公司 | Determine phase nuclear phase, electric current, the harvester of voltage and system for telecommunication network base station |
| CN109752595A (en) * | 2018-12-17 | 2019-05-14 | 广州思泰信息技术有限公司 | Wireless Split intelligent Insulation Resistance Tester |
| CN110221133A (en) * | 2019-06-17 | 2019-09-10 | 国网湖南省电力有限公司 | A kind of quick phasing adjustement of electric system high-tension line and its application method |
| CN112130046A (en) * | 2020-09-24 | 2020-12-25 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Method and device for restraining high-voltage power frequency induced voltage in high-voltage test |
| CN112130046B (en) * | 2020-09-24 | 2023-11-21 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Method and device for inhibiting high-voltage power frequency induced voltage in high-voltage test |
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