CN112986723A - Test platform for testing non-contact electric field induction electricity-taking sensor - Google Patents
Test platform for testing non-contact electric field induction electricity-taking sensor Download PDFInfo
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- CN112986723A CN112986723A CN202110128581.7A CN202110128581A CN112986723A CN 112986723 A CN112986723 A CN 112986723A CN 202110128581 A CN202110128581 A CN 202110128581A CN 112986723 A CN112986723 A CN 112986723A
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- 230000005684 electric field Effects 0.000 title claims abstract description 96
- 230000006698 induction Effects 0.000 title claims abstract description 80
- 238000012360 testing method Methods 0.000 title claims abstract description 62
- 238000005259 measurement Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
Abstract
The invention provides a test platform for testing a non-contact electric field induction electricity-taking sensor, which comprises a main control box and a test tool, wherein a measurement voltmeter and two high-voltage output ports are arranged in the main control box, the measurement voltmeter is electrically connected with the high-voltage output ports, the test tool comprises a clamping part for clamping the non-contact electric field induction electricity-taking sensor and two connecting wires, one end of each connecting wire is connected to the clamping part, and the other end of each connecting wire is connected with the high-voltage output port. The test platform for testing the non-contact electric field induction electricity-taking sensor realizes the test of the electricity-taking performance of the non-contact electric field induction electricity-taking sensor.
Description
Technical Field
The invention relates to the field of non-contact electric field induction electricity-taking sensor measurement, in particular to a test platform for testing a non-contact electric field induction electricity-taking sensor.
Background
With the deep development of intelligent power grids and state maintenance, the online monitoring of power grid equipment is increasingly emphasized. Because there is often no commercial power supply around the transmission line, the monitoring device cannot conveniently obtain the power supply required by the work. The sensor with the non-contact electric field induction electricity taking function appears in the market at present, is applied to the online monitoring of power grid equipment as a monitoring device, mainly measures the temperature of the power grid equipment, and has the function of wireless transmission. Therefore, the sensor with the non-contact electric field induction electricity taking function can work under the condition without a power supply, the sensor with the non-contact electric field induction electricity taking function is called as the non-contact electric field induction electricity taking sensor for short, the non-contact electric field induction electricity taking sensor is used as a power grid equipment monitoring device and is mainly used for temperature online measurement on occasions such as power transformers, copper bars, overhead lines and the like with the alternating current high voltage of more than 20KV, the energy required by the work of the sensor is obtained by utilizing the characteristics of the high-voltage electric field where the measured object is located, batteries or other external power supplies are not needed, and data are transmitted to a gathering unit through a wireless network.
However, the non-contact electric field induction electricity-taking sensors produced by different manufacturers have uneven electricity-taking performance, which represents the quality of the non-contact electric field induction electricity-taking sensors, so that the electricity-taking performance of the non-contact electric field induction electricity-taking sensors needs to be evaluated before use.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a test platform for testing a non-contact electric field induction electricity-taking sensor, which can solve the problem that no measuring equipment is used for testing the electricity-taking performance of the non-contact electric field induction electricity-taking sensor for measurement at present.
The purpose of the invention is realized by adopting the following technical scheme:
a test platform for testing a non-contact electric field induction electricity-taking sensor comprises a main control box and a test tool, the main control box is internally provided with a measuring voltmeter and two high-voltage output ports, the measuring voltmeter is electrically connected with the high-voltage output ports, the test tool comprises a clamping component for clamping the non-contact electric field induction electricity-taking sensor and two connecting wires, one end of the connecting wire is connected to the clamping component, the other end of the connecting wire is connected with the high-voltage output port, the main control box boosts the mains supply to a preset voltage according to a preset boosting rule, and outputs a preset voltage to the clamping component through a high-voltage output port, the clamping component receives the preset voltage through the connecting wire and generates a high-voltage electric field, and the measuring voltmeter records the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor is started through the high-voltage output port.
Further, master control incasement portion still is provided with step up transformer and voltage regulator, step up transformer with voltage regulator electric connection, step up transformer still with high-voltage output port electric connection, the commercial power passes through the voltage regulator and gets into step up transformer, step up transformer obtains preset voltage after stepping up the processing with the commercial power to will predetermine voltage and pass through high-voltage output port exports extremely the connecting wire.
Furthermore, a voltage adjusting knob is arranged outside the main control box and electrically connected with the boosting transformer.
Further, the clamping part comprises a bottom plate, a first sliding block and a second sliding block, the first sliding block and the second sliding block are respectively arranged on two sides of the bottom plate, and a clamping space for clamping the non-contact electric field induction electricity-taking sensor is formed among the first sliding block, the second sliding block and the bottom plate.
Furthermore, the bottom plate is provided with a sliding groove, the first slider and the second slider are both provided with protrusions, the first slider is fixedly connected with the bottom plate, the second slider is slidably connected with the bottom plate, the protrusions in the first slider are fixedly buckled in the sliding groove, the protrusions in the second slider are movably buckled in the sliding groove, and when the second slider is moved, the protrusions on the second slider move in the sliding groove.
Furthermore, one end of one connecting wire is connected to the first sliding block, and one end of the other connecting wire is connected to the second sliding block.
Furthermore, the first sliding block and the second sliding block are respectively provided with a plug pin used for being connected with the connecting wire.
Further, the outside of the main control box is provided with a display screen, the display screen is electrically connected with the measurement voltmeter, and the measurement voltmeter sends the measured preset voltage to the display screen for displaying.
Furthermore, a power socket for connecting the mains supply is arranged outside the main control box.
Compared with the prior art, the invention has the beneficial effects that: in the application, a test platform for testing a non-contact electric field induction electricity-taking sensor boosts commercial power to a preset voltage according to a preset boosting rule through a main control box, outputs the preset voltage to a clamping component through a high-voltage output port, the clamping component receives the preset voltage through a connecting wire and generates a high-voltage electric field, the non-contact electric field induction electricity-taking sensor on the clamping component acquires electric energy after inducing the high-voltage electric field, the electric energy acquired after the non-contact electric field induction electricity-taking sensor induces the high-voltage electric field can start the non-contact electric field, at the moment, a measurement voltmeter records the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor starts through the high-voltage output port, for the non-contact electric field induction electricity-taking sensors with the same power, the numerical value of the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor starts is larger, the electricity, the quality of the non-contact electric field induction electricity-taking sensor is poor, otherwise, the smaller the numerical value of the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor is started is, the stronger the electricity-taking capability of the corresponding non-contact electric field induction electricity-taking sensor is, and the better the quality of the non-contact electric field induction electricity-taking sensor is.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a testing platform for testing a non-contact electric field induction power sensor according to the present invention;
FIG. 2 is a schematic structural diagram of a main control box in a test platform for testing a non-contact electric field induction power sensor according to the present invention;
FIG. 3 is a schematic structural diagram of a test platform for testing a non-contact electric field induction power sensor according to the present invention, after a connection line is connected to a test fixture.
In the figure: 1. a master control box; 11. a high-voltage output port; 12. a voltage adjustment knob; 13. a display screen; 14. a power outlet; 2. testing the tool; 21. a clamping member; 211. a base plate; 2111. a sliding groove; 212. a first slider; 213. a second slider; 214. a protrusion; 22. a connecting wire; 23. and (4) a bolt.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
As shown in fig. 1-3, a test platform for testing non-contact electric field induction power sensor in the present application comprises a main control box 1 and a test tool 2, wherein the main control box 1 is internally provided with a measurement voltmeter, two high-voltage output ports 11, a step-up transformer and a voltage regulator, the measurement voltmeter is electrically connected with the high-voltage output ports 11, the step-up transformer is electrically connected with the voltage regulator, the step-up transformer is also electrically connected with the high-voltage output ports 11, the test tool 2 comprises a clamping component 21 for clamping the non-contact electric field induction power sensor and two connecting wires 22, one end of each connecting wire 22 is connected with the clamping component 21, the other end of each connecting wire 22 is connected with the high-voltage output port 11, the main control box 1 boosts the commercial power to a preset voltage according to a preset boosting rule, and will predetermine the voltage output to through high-voltage output port 11 on clamping part 21, clamping part 21 passes through connecting wire 22 receives predetermine the voltage and produce the high-voltage electric field, the measurement voltmeter passes through high-voltage output port 11 records the corresponding voltage of predetermineeing when making non-contact electric field induction get electric sensor start.
In this embodiment, master control box 1 outside is provided with voltage regulation knob 12, display screen 13 and power socket 14, voltage regulation knob 12 with step up transformer electric connection, display screen 13 with measure voltmeter electric connection, it sends the predetermined voltage that obtains to the measurement voltmeter and shows to display screen 13. The clamping component 21 includes a bottom plate 211, a first slider 212, and a second slider 213, the first slider 212 and the second slider 213 are respectively disposed on two sides of the bottom plate 211, a clamping space for clamping the non-contact electric field induction electricity-taking sensor is formed between the first slider 212, the second slider 213, and the bottom plate 211, the bottom plate 211 is provided with a sliding groove 2111, the first slider 212 and the second slider 213 are both provided with protrusions 214, the protrusion 214 on the first slider 212 is fixedly fastened in the sliding groove 2111, the protrusion 214 on the second slider 213 is movably fastened in the sliding groove 2111, when the second slider 213 is moved, the protrusion 214 on the second slider 213 moves in the sliding groove 2111, one end of one of the connection wire 22 is connected to the first slider 212, and one end of the other connection wire 22 is connected to the second slider 213, the first slider 212 and the second slider 213 are respectively provided with a plug 23 for connecting with the connecting wire 22.
The test principle is as follows: the non-contact electric field induction electricity-taking sensor is clamped on the testing tool 2, the first sliding block 212 or the second sliding block 213 can be moved according to the width of the non-contact electric field induction electricity-taking sensor, so that the non-contact electric field induction electricity-taking sensor is stably clamped between the first sliding block 212 and the second sliding block 213, then the power socket 14 of the main control box 1 is connected with the commercial power, the commercial power enters the step-up transformer through the voltage regulator in the main control box 1, the step-up transformer performs step-up processing on the commercial power to obtain a preset voltage, the step-up processing in the embodiment specifically comprises the step-up processing of boosting the 220V voltage of the commercial power to the preset voltage according to a preset increment, and outputting the preset voltage to the connecting wire 22 through the high-voltage output port 11, the clamping part 21 receives the preset voltage through the connecting wire 22 and generates a high-voltage electric field, and the non-contact electric field induction electricity-taking sensor on, when the non-contact electric field induction electricity-taking sensor is used for sensing a high-voltage electric field, the electric energy obtained after the non-contact electric field induction electricity-taking sensor senses the high-voltage electric field can be started, the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor is started is recorded by the measuring voltmeter through the high-voltage output port 11 and serves as a starting electricity-taking voltage, the starting electricity-taking voltage corresponding to the non-contact electric field induction electricity-taking sensor with the same power is compared, the electricity-taking capability of the corresponding non-contact electric field induction electricity-taking sensor is weaker when the numerical value of the starting electricity-taking voltage is larger, and the electricity-taking capability of the corresponding non-contact electric field induction electricity-taking sensor is stronger when the numerical value of the starting electricity-.
In this embodiment, since the test fixture 2 may be equivalent to a parallel plate capacitor, the interior of the test fixture 2 is a uniform electric field, and the calculation formula of the field intensity of the uniform electric field is: e ═ U/d, where U is the voltage across the parallel plate capacitor and d represents the interpolar distance (in this embodiment, the distance between the first slider 212 and the second slider 213); in the test, the magnitude of the power-taking capability of the non-contact electric field type induction power-taking sensor is known to be related to the voltage in the test platform and the distance between the first slider 212 and the second slider 213 through the electric field power-taking principle and the electric field calculation formula of the parallel plate capacitor, so that the power-taking capability of the non-contact electric field type induction power-taking sensor can be tested by adjusting the distance between the first slider 212 and the second slider 213 under the condition that the voltage output by the high-voltage output port in the main control box is constant, namely the voltage between the first slider 212 and the second slider 213 is constant, at the moment, the protrusion 214 on the second slider 213 moves on the sliding groove by moving the second slider 213, thereby changing the distance between the first slider 212 and the second slider 213, and recording the distance between the first slider 212 and the second slider 213 corresponding to the non-contact electric field type induction power-taking sensor when in normal operation, as the distance of the starting induction polar plate; when the non-contact electric field type induction electricity-taking sensor with the same power produced by different manufacturers is tested, the larger the numerical value of the distance of the starting induction polar plate is, the smaller the electricity-taking capability of the corresponding non-contact electric field type induction electricity-taking sensor is; on the contrary, the smaller the numerical value of the distance of the starting induction polar plate is, the larger the electricity taking capability of the corresponding non-contact electric field type induction electricity taking sensor is.
In the application, a test platform for testing a non-contact electric field induction electricity-taking sensor boosts commercial power to a preset voltage according to a preset boosting rule through a main control box, outputs the preset voltage to a clamping component through a high-voltage output port, the clamping component receives the preset voltage through a connecting wire and generates a high-voltage electric field, the non-contact electric field induction electricity-taking sensor on the clamping component acquires electric energy after inducing the high-voltage electric field, the electric energy acquired after the non-contact electric field induction electricity-taking sensor induces the high-voltage electric field can start the non-contact electric field, at the moment, a measurement voltmeter records the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor starts through the high-voltage output port, for the non-contact electric field induction electricity-taking sensors with the same power, the numerical value of the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor starts is larger, the electricity, the quality of the non-contact electric field induction electricity-taking sensor is poor, otherwise, the smaller the numerical value of the corresponding preset voltage when the non-contact electric field induction electricity-taking sensor is started is, the stronger the electricity-taking capability of the corresponding non-contact electric field induction electricity-taking sensor is, and the better the quality of the non-contact electric field induction electricity-taking sensor is.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a test platform for testing non-contact electric field induction gets electric sensor which characterized in that: including master control case and test fixture, master control incasement portion is provided with measurement voltmeter, two high-voltage output port, measure the voltmeter with high-voltage output port electric connection, test fixture is including clamping part and two connecting wires that are used for centre gripping non-contact electric field induction to get the electric sensor, connecting wire one end is connected on the clamping part, the connecting wire other end with the high-voltage output port is connected, the master control case steps up the commercial power to preset voltage according to predetermineeing the rule of stepping up to will predetermineeing voltage output extremely through high-voltage output port on the clamping part, clamping part passes through the connecting wire is received preset voltage and production high voltage electric field, the measurement voltmeter passes through the high-voltage output port record makes non-contact electric field induction get the corresponding preset voltage when electric sensor starts.
2. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 1, wherein: the main control box is inside still to be provided with step up transformer and voltage regulator, step up transformer with voltage regulator electric connection, step up transformer still with high-voltage output port electric connection, the commercial power passes through the voltage regulator and gets into step up transformer, step up transformer obtains preset voltage after stepping up the processing with the commercial power to will predetermine voltage and pass through high-voltage output port exports extremely the connecting wire.
3. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 2, wherein: and a voltage adjusting knob is arranged outside the main control box and electrically connected with the step-up transformer.
4. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 1, wherein: the clamping part comprises a bottom plate, a first sliding block and a second sliding block, the first sliding block and the second sliding block are arranged on two sides of the bottom plate respectively, and a clamping space for clamping the non-contact electric field induction electricity-taking sensor is formed between the first sliding block, the second sliding block and the bottom plate.
5. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 4, wherein: the bottom plate is provided with a sliding groove, the first sliding block and the second sliding block are both provided with protrusions, the first sliding block is fixedly connected with the bottom plate, the second sliding block is slidably connected with the bottom plate, the protrusions in the first sliding block are fixedly buckled in the sliding groove, the protrusions in the second sliding block move to be buckled in the sliding groove, and when the second sliding block is moved, the protrusions on the second sliding block move in the sliding groove.
6. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 4, wherein: one end of the connecting wire is connected to the first sliding block, and one end of the other connecting wire is connected to the second sliding block.
7. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 4, wherein: and the first sliding block and the second sliding block are respectively provided with a bolt used for being connected with the connecting wire.
8. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 1, wherein: the outside of master control box is provided with the display screen, the display screen with measure voltmeter electric connection, measure the voltmeter and send the predetermined voltage that obtains to the display screen and show.
9. The testing platform for testing the non-contact electric field induction power-taking sensor according to claim 1, wherein: and a power socket for connecting the commercial power is arranged outside the main control box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110128581.7A CN112986723A (en) | 2021-01-29 | 2021-01-29 | Test platform for testing non-contact electric field induction electricity-taking sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110128581.7A CN112986723A (en) | 2021-01-29 | 2021-01-29 | Test platform for testing non-contact electric field induction electricity-taking sensor |
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| CN112986723A true CN112986723A (en) | 2021-06-18 |
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| CN202110128581.7A Pending CN112986723A (en) | 2021-01-29 | 2021-01-29 | Test platform for testing non-contact electric field induction electricity-taking sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933564A (en) * | 2021-09-30 | 2022-01-14 | 海南电网有限责任公司电力科学研究院 | Non-contact voltage sensor for high-voltage line |
| CN114187750A (en) * | 2021-11-13 | 2022-03-15 | 国网辽宁省电力有限公司阜新供电公司 | Sensitivity detection device for near-electricity alarm |
-
2021
- 2021-01-29 CN CN202110128581.7A patent/CN112986723A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113933564A (en) * | 2021-09-30 | 2022-01-14 | 海南电网有限责任公司电力科学研究院 | Non-contact voltage sensor for high-voltage line |
| CN114187750A (en) * | 2021-11-13 | 2022-03-15 | 国网辽宁省电力有限公司阜新供电公司 | Sensitivity detection device for near-electricity alarm |
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