CN213689810U - Low-voltage testing tool for capacitor inductance plate - Google Patents
Low-voltage testing tool for capacitor inductance plate Download PDFInfo
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- CN213689810U CN213689810U CN202022845352.0U CN202022845352U CN213689810U CN 213689810 U CN213689810 U CN 213689810U CN 202022845352 U CN202022845352 U CN 202022845352U CN 213689810 U CN213689810 U CN 213689810U
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Abstract
The utility model discloses an electric capacity inductance plate low pressure test fixture relates to electric capacity inductance plate low pressure test technical field. The utility model comprises a tool bearing shell, a voltage regulator and a mode conversion device; an inner wiring terminal electrically connected with an external power cable is arranged on the tool bearing shell; the internal wiring terminal is electrically connected with the starting button, the voltage regulator and the mode conversion device in sequence; the mode conversion device comprises a conversion switch, a capacitor plate test loop and an inductance plate test loop. The utility model electrically connects the start button, the voltage regulator and the mode conversion device in sequence through the external wiring terminal, thereby realizing the isolation of the high-voltage part from the testing personnel and ensuring the use safety; meanwhile, the capacitance plate testing loop or the inductance plate testing loop is switched and communicated through the change-over switch, so that the convenient switching between the capacitance plate testing and the inductance plate testing is realized, the operation is simple, and the manual operation error rate is reduced.
Description
Technical Field
The utility model belongs to the technical field of electric capacity inductance plate low pressure test, especially, relate to an electric capacity inductance plate low pressure test fixture.
Background
At present, a long-standing problem in the construction and operation of the Chinese power grid is that the reactive compensation capacity is insufficient and unreasonable in configuration, particularly the adjustable reactive capacity is insufficient, and the fast-response reactive power adjusting equipment is less. In recent years, with the increasing of high-power nonlinear load, reactive shock and harmonic pollution of a power grid tend to rise, and the lack of reactive regulation means causes the bus voltage to change greatly along with the change of an operation mode. The line loss of the power grid is increased, and the voltage qualified rate is reduced. In addition, as the power grid evolves, the issue of system stability becomes increasingly important. In addition, the static reactive compensation technology has great objective requirements in the industrial fields of wind power plants, metallurgy, electrified railways, coal and the like. Under the current situation, the static dynamic reactive power compensation device is very effective for solving reactive power impact generated by various loads; the voltage fluctuation of the power grid is obviously improved, the power factor is obviously improved, and the energy-saving device is a novel energy-saving device with high technical content and obvious economic benefit.
The capacitance-inductance plate is the most basic component of the static reactive compensation equipment at present, and needs to be widely and massively applied in the construction of power grids, industries and railway industries which are closely related to people. The quality of the capacitive inductance plate is a key factor for safe and reliable operation of some important equipment, and the quality of the capacitive inductance plate is the most important link for detection work of the capacitive inductance plate. At present, the work has the factors of unsafe electricity utilization, low working efficiency, multiple artificial error links in the test process and the like.
In order to solve the problem, the utility model provides a capacitance inductance plate low pressure test fixture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a capacitance inductance plate low pressure test fixture for solve the technical problem who proposes in the background art.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a capacitance inductance plate low pressure test fixture, include:
the tool bearing shell, the voltage regulator and the mode conversion device; an internal wiring terminal electrically connected with an external power cable is arranged on the tool bearing shell; the internal wiring terminal is electrically connected with the starting button, the voltage regulator and the mode conversion device in sequence;
the mode conversion device comprises a conversion switch, a capacitor plate test loop and an inductance plate test loop; the input end of the change-over switch is electrically connected with the output end of the voltage regulator, and the output end of the change-over switch passes through the first switch to be electrically connected with the inductance board test loop or passes through the second switch to be electrically connected with the capacitance board test loop;
the inductance board test loop comprises a power resistor and an inductance board to be tested; one end of the power resistor is electrically connected with the first switch, and the other end of the power resistor is electrically connected with one end of the inductance board to be tested; the other end of the inductance board to be tested is grounded; a current transformer is arranged on a line between the first switch and the power resistor;
the capacitor plate test loop comprises a rectifier, a capacitor plate to be tested and a discharge circuit; the input end of the rectifier is electrically connected with the second switch; the output end of the rectifier is electrically connected with the capacitor plate to be tested; the capacitor plate to be tested is connected with the discharge circuit in parallel; the discharge circuit comprises a discharge switch and a discharge resistor which are connected in series.
As a preferred technical scheme, the system also comprises a monitoring man-machine alarm system; the monitoring man-machine alarm system comprises an intelligent electric meter and a measurement and control touch screen; the intelligent ammeter is electrically connected with the secondary side of the current transformer or the voltage side of the inductance board to be tested or the voltage side of the capacitance board to be tested; and the intelligent electric meter is in electric signal connection with a processor of the measurement and control touch screen.
As a preferred technical scheme, a processor of the measurement and control touch screen is connected with an expansion interface module; the expansion interface module is respectively connected with a printer and other monitoring equipment.
As a preferred technical scheme, the processor of the measurement and control touch screen is also connected with the output of a tripping contact; the trip contact output is electrically connected to a trip circuit activation button.
The application method of the low-voltage testing tool for the capacitor and inductor plates comprises the steps of low-voltage testing of the capacitor plates and low-voltage testing of the inductor plates;
the low-voltage testing process of the capacitor plate comprises the following steps:
a00: the electric quantity to be tested of the capacitor plate to be tested is connected to the intelligent ammeter and the measurement and control touch screen;
a01: pressing a start button to switch on the main loop, and switching on a second switch to switch on a capacitor plate test loop;
a02: adjusting the voltage regulator to reach the required given electric quantity;
a03: clicking a report generation button on the measurement and control touch screen to generate a final report;
the low-voltage test process of the inductance plate comprises the following steps:
b00: the electric quantity to be tested of the capacitor plate to be tested is connected to the intelligent ammeter and the measurement and control touch screen;
b01: testing the direct resistance to be tested by using a meter pen of the intelligent electric meter;
b02: pressing a start button to switch on the main loop, and switching on a first switch to switch on the inductance board test loop;
b03: adjusting the voltage regulator to reach the required given electric quantity;
b04: and clicking a report generation button on the measurement and control touch screen to generate a final report.
As a preferred technical solution, a00 comprises the following steps: the main circuit is connected to the idle opening upper port through the normally closed contact of the change-over switch, and the idle opening lower port is connected with the second switch.
As a preferred technical solution, B00 comprises the following steps: the main circuit is connected to the idle opening upper port through the normally closed contact of the change-over switch, and the idle opening lower port is connected with the first switch.
The utility model discloses an aspect has following beneficial effect:
1. the utility model electrically connects the start button, the voltage regulator and the mode conversion device in sequence through the external wiring terminal, thereby realizing the isolation of the high-voltage part from the testing personnel and ensuring the use safety; meanwhile, the capacitance plate testing loop or the inductance plate testing loop is switched and communicated through the change-over switch, so that the convenient switching between the capacitance plate testing and the inductance plate testing is realized, the operation is simple, and the manual operation error rate is reduced.
2. The utility model discloses smart electric meter and observing and controlling the processor electrical signal connection of the touch-sensitive screen, through observing and controlling the convenient demonstration of touch-sensitive screen and looking over the measured data; the processor of the measurement and control touch screen is connected with the expansion interface module, so that external intelligent equipment can be conveniently expanded, and the expansion function is rich; the expansion interface module is respectively connected with a printer and other monitoring equipment; and the test result can be observed and compared conveniently.
3. The processor of the measurement and control touch screen of the utility model is also connected with the output of the tripping contact; the tripping contact output is electrically connected with a tripping circuit starting button; the abnormal data is detected and then the abnormal signal is transmitted to the trip circuit, so that the power supply is directly tripped when the work is abnormal.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit diagram of a test loop of the start button, the voltage regulator, the transfer switch and the inductance board of the present invention;
fig. 2 is a circuit diagram of a middle start button, a voltage regulator, a transfer switch and a capacitor plate test circuit of the present invention;
FIG. 3 is a flow chart of the low voltage testing process of the middle capacitor plate according to the present invention;
fig. 4 is a flow chart of the low voltage testing process of the middle inductance plate of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-start button, 2-voltage regulator, 3-change-over switch, 41-first switch, 42-power resistor, 43-inductance board to be tested, 44-current transformer, 51-second switch, 52-rectifier, 53-capacitance board to be tested, 541-discharge switch, 542-discharge resistor, 6-smart meter and 7-measure and control touch screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a low voltage testing tool for capacitive inductance board, comprising: the tool bearing shell, the voltage regulator 2 and the mode conversion device; specifically, the tooling carries a housing for mounting the voltage regulator 2, the mode switching device and hereinafter and equipment. The tool bearing shell is composed of a layered metal structure box body, a reliable grounding point is designed on the side of the box body, and a walking wheel with a braking effect is mounted at the bottom of the box body, so that the tool can be moved and can be reliably fixed when being fixed. The bolt with the fine adjustment lifting function is arranged at the joint of the travelling wheel and the tool shell, so that fine adjustment can be realized during operation on uneven roads;
the tool bearing shell is provided with an internal wiring terminal which is electrically connected with an external power cable, and the internal wiring terminal is used for accessing the external 380V power cable; the internal wiring terminal is electrically connected with the starting button 1, the voltage regulator 2 and the mode conversion device in sequence; specifically, the voltage regulator 2 can realize the functions of isolating and regulating voltage with the mains supply, ensure that the high-voltage part is isolated from the testing personnel, and has safe operation; the mode conversion device comprises a conversion switch 3, a capacitor plate test loop and an inductance plate test loop; the input end of the change-over switch 3 is electrically connected with the output end of the voltage regulator 2, and the output end of the change-over switch 3 passes through the first switch 41 to be electrically connected with the inductance board test loop or passes through the second switch 51 to be electrically connected with the capacitance board test loop;
the inductance board test loop comprises a power resistor 42 and an inductance board 43 to be tested; one end of the power resistor 42 is electrically connected to the first switch 41, and the other end is electrically connected to one end of the inductor 43 to be tested; the other end of the inductance board 43 to be tested is grounded; a current transformer 44 is arranged on a line between the first switch 41 and the power resistor 42;
the capacitor plate test loop comprises a rectifier 52, a capacitor plate 53 to be tested and a discharge circuit; the input terminal of the rectifier 52 is electrically connected to the second switch 51; the output end of the rectifier 52 is electrically connected with a capacitor plate 53 to be measured; the capacitor plate 53 to be measured is connected in parallel with the discharge circuit; the discharging circuit includes a discharging switch 541 and a discharging resistor 542 connected in series, and is used for charging and discharging the capacitive plate 53 to be measured.
In addition, the system also comprises a monitoring man-machine alarm system; the monitoring man-machine alarm system comprises an intelligent ammeter 6 and a measurement and control touch screen 7; the intelligent electric meter 6 is electrically connected with the secondary side of the current transformer 44 or the voltage side of the inductance plate 43 to be tested or the voltage side of the capacitance plate 53 to be tested and is used for collecting data; the intelligent electric meter 6 is in electric signal connection with a processor of the measurement and control touch screen 7, and the measurement and control touch screen 7 displays detection data.
In addition, the processor of the measurement and control touch screen 7 is connected with the expansion interface module, so that external intelligent equipment can be expanded conveniently; the expansion interface module is respectively connected with a printer and other monitoring equipment; and the test result can be observed and compared conveniently.
In addition, the processor of the measurement and control touch screen 7 is also connected with the tripping contact point output; the tripping contact output is electrically connected with a tripping circuit starting button; the abnormal data is detected and then the abnormal signal is transmitted to the trip circuit, so that the power supply is directly tripped when the work is abnormal.
Referring to fig. 3-4, a method for using a low-voltage testing tool for a capacitive and inductive board includes a low-voltage testing for the capacitive board and a low-voltage testing for the inductive board;
the low-voltage testing process of the capacitor plate comprises the following steps:
a00: the electric quantity to be tested of the capacitor plate 53 to be tested is accessed to the intelligent electric meter 6 and the measurement and control touch screen 7; in addition, a00 includes the following steps: the main circuit is connected to the idle opening upper port through the normally closed contact of the change-over switch 3, and the idle opening lower port is connected with the second switch 51;
a01: pressing the start button 1 to switch on the main loop, and closing the second switch 51 to switch on the capacitor plate test loop;
a02: adjusting the voltage regulator 2 to reach the required given electric quantity, and observing the test result;
a03: clicking a report generation button on the measurement and control touch screen 7 to generate a final report, and additionally, clicking a test report to print the final test report or copying the test report through a USB interface;
then, testing the next capacitor plate or disconnecting the power supply;
the low-voltage test process of the inductance plate comprises the following steps:
b00: the electric quantity to be tested of the capacitor plate 53 to be tested is accessed to the intelligent electric meter 6 and the measurement and control touch screen 7; in addition, B00 includes the following steps: the main circuit is connected to the idle opening upper port through the normally closed contact of the change-over switch 3, and the idle opening lower port is connected with the first switch 41;
b01: testing the direct resistance to be tested by using a meter pen of the intelligent electric meter 6;
b02: pressing the start button 1 to switch on the main loop, and switching on the first switch 41 to switch on the inductance board test loop;
b03: adjusting the voltage regulator 2 to reach the required given electric quantity, and observing the test result;
b04: clicking a report generation button on the measurement and control touch screen 7 to generate a final report, and additionally, clicking a test report to print the final test report or copying the test report through a USB interface;
thereafter, the next inductor board is tested or the power supply is disconnected.
The utility model electrically connects the start button, the voltage regulator and the mode conversion device in sequence through the wiring terminal, thereby realizing the isolation of the high-voltage part from the testing personnel and ensuring the use safety; meanwhile, the capacitance plate test loop or the inductance plate test loop is switched and communicated through the change-over switch, so that the convenient switching between the capacitance plate test and the inductance plate test is realized, the operation is simple, and the manual operation error rate is reduced; in addition, the intelligent electric meter is in electric signal connection with a processor of the measurement and control touch screen, and detection data can be conveniently displayed and checked through the measurement and control touch screen; the processor of the measurement and control touch screen is connected with the expansion interface module, so that external intelligent equipment can be conveniently expanded, and the expansion function is rich; the expansion interface module is respectively connected with a printer and other monitoring equipment; the test result is convenient to observe and compare; meanwhile, the processor of the measurement and control touch screen is also connected with the tripping contact point output; the tripping contact output is electrically connected with a tripping circuit starting button; the abnormal data is detected and then the abnormal signal is transmitted to the trip circuit, so that the power supply is directly tripped when the work is abnormal.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides a capacitance inductance plate low pressure test fixture which characterized in that includes:
the tool bearing shell, the voltage regulator (2) and the mode conversion device; an internal wiring terminal electrically connected with an external power cable is arranged on the tool bearing shell; the internal wiring terminal is electrically connected with the starting button (1), the voltage regulator (2) and the mode conversion device in sequence;
the mode conversion device comprises a conversion switch (3), a capacitor plate test loop and an inductance plate test loop; the input end of the change-over switch (3) is electrically connected with the output end of the voltage regulator (2), and the output end of the change-over switch (3) passes through the first switch (41) to be electrically connected with the inductance board test loop or passes through the second switch (51) to be electrically connected with the capacitance board test loop;
the inductance board test loop comprises a power resistor (42) and an inductance board (43) to be tested; one end of the power resistor (42) is electrically connected with the first switch (41), and the other end of the power resistor is electrically connected with one end of the inductance board (43) to be tested; the other end of the inductance board (43) to be tested is grounded; a current transformer (44) is arranged on a line between the first switch (41) and the power resistor (42);
the capacitor plate test circuit comprises a rectifier (52), a capacitor plate to be tested (53) and a discharge circuit; the input end of the rectifier (52) is electrically connected with the second switch (51); the output end of the rectifier (52) is electrically connected with a capacitor plate (53) to be tested; the capacitor plate (53) to be measured is connected with the discharge circuit in parallel; the discharge circuit includes a discharge switch (541) and a discharge resistor (542) connected in series.
2. The low-voltage testing tool for the capacitive inductance plate according to claim 1, further comprising a monitoring man-machine alarm system; the monitoring man-machine alarm system comprises an intelligent electric meter (6) and a measurement and control touch screen (7); the intelligent electric meter (6) is electrically connected with the secondary side of the current transformer (44), or the voltage side of the inductance plate (43) to be tested, or the voltage side of the capacitance plate (53) to be tested; and the intelligent electric meter (6) is in electric signal connection with a processor of the measurement and control touch screen (7).
3. The low-voltage testing tool for the capacitive and inductive plates is characterized in that a processor of the measurement and control touch screen (7) is connected with an expansion interface module; the expansion interface module is respectively connected with a printer and other monitoring equipment.
4. The low-voltage testing tool for the capacitive and inductive plates is characterized in that a processor of the measurement and control touch screen (7) is also connected with a tripping contact output; the trip contact output is electrically connected to a trip circuit activation button.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022845352.0U CN213689810U (en) | 2020-12-01 | 2020-12-01 | Low-voltage testing tool for capacitor inductance plate |
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| CN202022845352.0U CN213689810U (en) | 2020-12-01 | 2020-12-01 | Low-voltage testing tool for capacitor inductance plate |
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| CN213689810U true CN213689810U (en) | 2021-07-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505458A (en) * | 2020-12-01 | 2021-03-16 | 南京智睿能源互联网研究院有限公司 | Low-voltage testing tool for capacitive and inductive plates and using method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505458A (en) * | 2020-12-01 | 2021-03-16 | 南京智睿能源互联网研究院有限公司 | Low-voltage testing tool for capacitive and inductive plates and using method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211124 Address after: 211899 No. 22-37, Dangui Road, Pukou District, Nanjing City, Jiangsu Province Patentee after: Nanjing KEDERUI Power Electronic Technology Co.,Ltd. Address before: 210000 17th floor, block C, Kechuang headquarters building, No. 320, pubin Road, Jiangpu street, Pukou District, Nanjing City, Jiangsu Province Patentee before: Nanjing Zhirui Energy Internet Research Institute Co.,Ltd. |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Nanjing KEDERUI Power Electronic Technology Co.,Ltd. (The principal of patent) Document name: Special letter for review business |