CN109471020B - Intelligent detection and protection output device for power system - Google Patents
Intelligent detection and protection output device for power system Download PDFInfo
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- CN109471020B CN109471020B CN201810011203.9A CN201810011203A CN109471020B CN 109471020 B CN109471020 B CN 109471020B CN 201810011203 A CN201810011203 A CN 201810011203A CN 109471020 B CN109471020 B CN 109471020B
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 claims description 17
- 238000005070 sampling Methods 0.000 claims description 12
- 238000004146 energy storage Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 125000003003 spiro group Chemical group 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
The invention discloses an intelligent detection and protection output device of an electric power system, which comprises a circuit breaker and a host, wherein the host comprises a detection terminal, a printer, a display screen, a plurality of output indicator lamps, a plurality of output buttons, a grounding terminal, a direct current voltage selection switch, a USB interface and a three-key rotary mouse, the three-key rotary mouse is arranged on the surface of the host, the intelligent detection and protection output device for the electric power system is connected with a host in a rotating mode, the display screen is embedded on the surface of the host, the output indicating lamps, the output buttons, the direct-current voltage selection switch, the grounding end and the USB interface are all arranged on the surface of the host, and the intelligent detection and protection output device for the electric power system further comprises an intelligent detection and protection output method for the electric power system, and is capable of analyzing parameters, high in interface compatibility, strong in safety performance, strong in equipment adaptability, convenient and fast to operate, efficient and capable of outputting data.
Description
Technical Field
The invention relates to the field of power system equipment, in particular to an intelligent detection and protection output device for a power system.
Background
The transformer substation is required to perform voltage-withstanding or partial-discharge high-voltage tests on power equipment such as transformers, transformers and cables regularly, and all tested instruments and equipment must be reliably grounded so as to guarantee personal safety. The electric test grounding early warning control device has the functions of detecting whether grounding is performed or not and measuring the resistance of a grounding loop. In the test, the device not only prompts the switch state of the knife switch in real time in a voice mode, but also automatically judges whether the power supply is allowed to be output or not according to the current grounding condition and the size of the grounding resistor. When the grounding of the device is abnormal, the purpose of preventing safety accidents is needed.
The invention discloses a Chinese patent No. CN104407199A, the publication date of which is 3/11/2015, and the name of the invention is an automatic alarm positioning system for the exceeding of the current of a grounding wire, wherein an Internet of things voltage monitoring system is arranged on the grounding wire and comprises a voltage transformer which is used as a power supply and a sensor at the same time; the electric energy output end of the voltage transformer is connected with a storage battery system, the storage battery system is connected with a microprocessor system, the signal output end of the voltage transformer is connected with the microprocessor system, the microprocessor system is connected with a wireless communication system and an audible alarm system, and the automatic alarm positioning system for the standard exceeding of the grounding wire current has the defect that data cannot be analyzed.
Disclosure of Invention
The invention aims to solve the problem that data cannot be analyzed, and provides the intelligent detection and protection output device for the power system, which can analyze parameters, has high interface compatibility, strong safety performance, strong equipment adaptability, convenient and efficient operation and can output data.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an electric power system intellectual detection system and protection output device, includes the circuit breaker, and the host computer is including detecting terminal, printer, display screen, a plurality of output pilot lamp, a plurality of output button, earthing terminal, direct current voltage option switch, USB interface and the rotatory mouse of three key formulas, the rotatory mouse of three key formulas locate the host computer surface, rotate with the host computer and be connected, the display screen inlay on the host computer surface, a plurality of output pilot lamp, a plurality of output button, direct current voltage option switch, earthing terminal and USB interface all locate the host computer surface, the printer pass through screw and host computer spiro union, detection terminal and host computer fixed connection, the circuit breaker be connected with the detection terminal electricity of host computer through the patch cord.
Preferably, the host further comprises a control module, and the control module comprises:
the input end of the buzzer is electrically connected with the output end of the control unit;
the input end of the real-time clock is electrically connected with the output end of the control unit;
the input end of the storage unit is electrically connected with the output end of the control unit, and the output end of the storage unit is electrically connected with the input end of the control unit;
the input end of the control unit is electrically connected with the output end of the USB interface, the output end of the three-key type rotary mouse and the output end of the storage unit respectively, and the output end of the control unit is electrically connected with the input end of the display screen, the control end of the printer, the input end of the USB interface, the input end of the indicator light, the input end of the buzzer and the input end of the storage unit respectively.
Preferably, the power supply device further comprises a power supply module, wherein the power supply module comprises:
the output end of the alternating current power supply is electrically connected with the input end of the auxiliary power supply;
the output end of the auxiliary power supply is respectively and electrically connected with the input end of the liquid crystal screen, the input end of the control unit and the input end of the constant-voltage current-limiting module;
the input end of the direct current operating power supply is electrically connected with the output end of the alternating current power supply, the output end of the direct current operating power supply is electrically connected with the input end of the opening output unit, and the direct current operating power supply is electrically connected with the input end of the closing output unit through a direct current voltage selection switch;
the output end of the opening output unit is electrically connected with the input end of the current sampling module;
the output end of the closing output unit is electrically connected with the input end of the current sampling module;
the input end of the energy storage output unit is electrically connected with the output end of the alternating current power supply, and the output end of the energy storage output unit is electrically connected with the input end of the current sampling unit;
the output end of the current sampling unit is electrically connected with the input end of the switching unit;
the input end of the switching unit is electrically connected with the output end of the constant-voltage current-limiting module through a relay switching detection channel, the input end of the switching unit is also electrically connected with the output end of the current sampling unit, the output end of the switching unit is electrically connected with the input end of the control unit through an optical coupling input channel detection auxiliary switch, and the output end of the switching unit is also electrically connected with a 64-core terminal.
Preferably, the current sampling unit includes:
the input end of the on-off signal unit is electrically connected with the circuit breaker, the output end of the on-off signal unit is electrically connected with the input end of the switching unit, and the on-off signal unit consists of 25 paths of independent optocoupler circuits;
and the direct current resistance unit is electrically connected with the constant voltage current limiting module.
Preferably, the invention also comprises an intelligent detection and protection output method for the power system, which comprises the following steps:
step 1: the grounding end of the host is reliably connected with the ground;
step 2: selecting a special test patch cord according to the model of the circuit breaker to be tested, and respectively connecting two ends of the special test patch cord with the detection device and the control end of the circuit breaker to be tested;
and step 3: connecting a power line and starting up;
and 4, step 4: selecting a 'breaker' menu on a display screen by a three-key type rotary mouse, entering a breaker type selection page, and selecting the type of the breaker to be tested, so that the selected type of the breaker and the test patch cord are in one-to-one correspondence with the breaker to be tested;
and 5: selecting a 'test' menu on a display screen through a three-key type rotary mouse, detecting a circuit breaker, performing primary switching-off, switching-on, energy storage and detection operations respectively, and checking, storing and printing a test result;
step 6: and (5) sequentially removing the power line, the test patch cord and the grounding wire, and completing the test.
Preferably, the detection terminal is a 64-core terminal.
Preferably, the control unit is a 32-bit ARM embedded processor.
The practical significance of the invention is as follows:
1. various parameters of the power system can be analyzed;
2. the interface compatibility is high, and the adapter can be adapted to various types of power system equipment only by replacing the adapter;
3. the power supply is switched on when the operation button is pressed, so that the safety performance is strong;
4. output modes of 110V and 220V are set, and adaptability to power system equipment is strong;
5. an operation interface is visualized, so that the operation is convenient, quick and efficient;
6. a small printer is arranged to print out the analysis result.
Drawings
FIG. 1 is a schematic diagram of a mechanical structure of an intelligent detection and protection output device of an electric power system;
FIG. 2 is a schematic diagram of an electrical structure of an intelligent detection and protection output device of an electrical power system;
in the figure: 1. the device comprises a detection terminal, 2, a printer, 3, a display screen, 4, an output indicator light, 5, an output button, 6, a grounding terminal, 7, a direct-current voltage selection switch, 8, a USB interface, 9, a three-key type rotary mouse, 10, a control unit, 11, a buzzer, 12, a real-time clock, 13 and a storage unit.
Detailed Description
As shown in fig. 1 and fig. 2, an intelligent detection and protection output device for an electric power system comprises a circuit breaker and a host, wherein the host comprises a detection terminal 1, a printer 2, a display screen 3, a plurality of output indicator lamps 4, a plurality of output buttons 5, a grounding terminal 6, a direct current voltage selector switch 7, a USB interface 8 and a three-key rotary mouse 9, the three-key rotary mouse 9 is arranged on the surface of the host and is rotatably connected with the host, the display screen 3 is embedded on the surface of the host, the output indicator lamps 4, the output buttons 5, the direct current voltage selector switch 7, the grounding terminal 6 and the USB interface 8 are all arranged on the surface of the host, the printer 2 is in threaded connection with the host through screws, the detection terminal 1 is fixedly connected with the host, the circuit breaker is electrically connected with the detection terminal 1 of the host through a patch cord, the display screen 3 is electrically connected with a control unit 10, the control end of printer 2 be connected with the output electricity of the control unit 10, USB interface 8 be connected with the control unit 10 electricity, the output of three key formula rotation mouse 9 be connected with the input electricity of the control unit 10, the input of output pilot lamp 4 be connected with the output electricity of the control unit 10, bee calling organ 11 be connected with the control unit 10 electricity, the output of real-time clock 12 be connected with the input electricity of the control unit 10, memory cell 13 be connected with the control unit 10 electricity.
The above-described embodiment is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (6)
1. An intelligent detection and protection output device of an electric power system comprises a circuit breaker and is characterized by comprising a host, wherein the host comprises a detection terminal, a printer, a display screen, a plurality of output indicator lamps, a plurality of output buttons, a grounding terminal, a direct current voltage selection switch, a USB interface and a three-key type rotary mouse, the three-key type rotary mouse is arranged on the surface of the host and is rotationally connected with the host, the display screen is embedded on the surface of the host, the output indicator lamps, the output buttons, the direct current voltage selection switch, the grounding terminal and the USB interface are all arranged on the surface of the host, the printer is in threaded connection with the host through screws, the detection terminal is fixedly connected with the host, and the circuit breaker is electrically connected with the detection terminal of the host through a patch cord;
still include power module, power module includes:
the output end of the alternating current power supply is electrically connected with the input end of the auxiliary power supply;
the output end of the auxiliary power supply is respectively and electrically connected with the input end of the liquid crystal screen, the input end of the control unit and the input end of the constant-voltage current-limiting module;
the input end of the direct current operating power supply is electrically connected with the output end of the alternating current power supply, the output end of the direct current operating power supply is electrically connected with the input end of the opening output unit, and the direct current operating power supply is electrically connected with the input end of the closing output unit through a direct current voltage selection switch;
the output end of the opening output unit is electrically connected with the input end of the current sampling unit;
the output end of the closing output unit is electrically connected with the input end of the current sampling unit;
the input end of the energy storage output unit is electrically connected with the output end of the alternating current power supply, and the output end of the energy storage output unit is electrically connected with the input end of the current sampling unit;
the output end of the current sampling unit is electrically connected with the input end of the switching unit;
the input end of the switching unit is electrically connected with the output end of the constant-voltage current-limiting module through a relay switching detection channel, the input end of the switching unit is also electrically connected with the output end of the current sampling unit, the output end of the switching unit is electrically connected with the input end of the control unit through an optical coupling input channel detection auxiliary switch, and the output end of the switching unit is also electrically connected with the detection terminal.
2. The intelligent detection and protection output device of claim 1, wherein the host further comprises a control module, the control module comprising:
the input end of the buzzer is electrically connected with the output end of the control unit;
the input end of the real-time clock is electrically connected with the output end of the control unit;
the input end of the storage unit is electrically connected with the output end of the control unit, and the output end of the storage unit is electrically connected with the input end of the control unit;
the input end of the control unit is electrically connected with the output end of the USB interface, the output end of the three-key type rotary mouse and the output end of the storage unit respectively, and the output end of the control unit is electrically connected with the input end of the display screen, the control end of the printer, the input end of the USB interface, the input end of the indicator light, the input end of the buzzer and the input end of the storage unit respectively.
3. The intelligent detection and protection output device of claim 1, wherein the current sampling unit comprises:
the input end of the on-off signal unit is electrically connected with the circuit breaker, the output end of the on-off signal unit is electrically connected with the input end of the switching unit, and the on-off signal unit consists of 25 paths of independent optocoupler circuits;
and the direct current resistance unit is electrically connected with the constant voltage current limiting module.
4. The intelligent detection and protection output device of claim 1, wherein the detection terminal is a 64-core terminal.
5. The intelligent power system detection and protection output device as claimed in claim 1, wherein the control unit is a 32-bit ARM embedded processor.
6. An intelligent detection and protection output method for an electric power system, which is suitable for the intelligent detection and protection output device for the electric power system as claimed in claim 1, and is characterized by comprising the following steps:
step 1: the grounding end of the host is reliably connected with the ground;
step 2: selecting a special test patch cord according to the model of the circuit breaker to be tested, and respectively connecting two ends of the special test patch cord with the detection device and the control end of the circuit breaker to be tested;
and step 3: connecting a power line and starting up;
and 4, step 4: selecting a 'breaker' menu on a display screen by a three-key type rotary mouse, entering a breaker type selection page, and selecting the type of the breaker to be tested, so that the selected type of the breaker and the test patch cord are in one-to-one correspondence with the breaker to be tested;
and 5: selecting a 'test' menu on a display screen through a three-key type rotary mouse, detecting a circuit breaker, performing primary switching-off, switching-on, energy storage and detection operations respectively, and checking, storing and printing a test result;
step 6: and (5) sequentially removing the power line, the test patch cord and the grounding wire, and completing the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011203.9A CN109471020B (en) | 2018-01-05 | 2018-01-05 | Intelligent detection and protection output device for power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011203.9A CN109471020B (en) | 2018-01-05 | 2018-01-05 | Intelligent detection and protection output device for power system |
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| Publication Number | Publication Date |
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| CN109471020A CN109471020A (en) | 2019-03-15 |
| CN109471020B true CN109471020B (en) | 2020-03-24 |
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| CN201810011203.9A Active CN109471020B (en) | 2018-01-05 | 2018-01-05 | Intelligent detection and protection output device for power system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323544A (en) * | 2011-08-10 | 2012-01-18 | 昌乐县供电公司 | Auxiliary device for switching characteristic test of mid-set cabinet |
| CN106707158A (en) * | 2017-02-22 | 2017-05-24 | 江苏信息职业技术学院 | Time relay calibration device and calibration method thereof |
| CN206378275U (en) * | 2016-11-11 | 2017-08-04 | 郭云花 | Breaker mechanic property examination auxiliary machine |
| CN107528449A (en) * | 2017-08-16 | 2017-12-29 | 国网河南省电力公司检修公司 | Portable multi-function is adjustable alternating current-direct current power box for high tension testing |
| CN207851154U (en) * | 2018-01-05 | 2018-09-11 | 嘉兴市恒创电力设备有限公司 | A kind of detection of Power System Intelligent and protection output device |
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2018
- 2018-01-05 CN CN201810011203.9A patent/CN109471020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323544A (en) * | 2011-08-10 | 2012-01-18 | 昌乐县供电公司 | Auxiliary device for switching characteristic test of mid-set cabinet |
| CN206378275U (en) * | 2016-11-11 | 2017-08-04 | 郭云花 | Breaker mechanic property examination auxiliary machine |
| CN106707158A (en) * | 2017-02-22 | 2017-05-24 | 江苏信息职业技术学院 | Time relay calibration device and calibration method thereof |
| CN107528449A (en) * | 2017-08-16 | 2017-12-29 | 国网河南省电力公司检修公司 | Portable multi-function is adjustable alternating current-direct current power box for high tension testing |
| CN207851154U (en) * | 2018-01-05 | 2018-09-11 | 嘉兴市恒创电力设备有限公司 | A kind of detection of Power System Intelligent and protection output device |
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| CN109471020A (en) | 2019-03-15 |
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