CN208547708U - High voltage electroscope starts detector - Google Patents
High voltage electroscope starts detector Download PDFInfo
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- CN208547708U CN208547708U CN201821156510.8U CN201821156510U CN208547708U CN 208547708 U CN208547708 U CN 208547708U CN 201821156510 U CN201821156510 U CN 201821156510U CN 208547708 U CN208547708 U CN 208547708U
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- electroscope
- voltage
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- test voltage
- detector
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Abstract
High voltage electroscope starts detector, including test voltage acquires transmitter, test voltage receiver, electroscope start-up detector.The test voltage acquires transmitter, for the test voltage of acquisition to be processed into digital signal, issued by infrared transmitting tube D1, after test voltage receiver receives digital signal by infrared receiving tube D2, test voltage is converted digital signals into, each electroscope start-up detector is sent to.A kind of high voltage electroscope of the utility model starts detector, while carrying out insulating bar pressure test and electroscope starting voltage test, while carrying out the routine test of more electroscopes, and working efficiency is greatly improved.
Description
Technical field
A kind of high voltage electroscope of the utility model starts detector, for carrying out pressure test and starting simultaneously to insulating bar
Test.
Background technique
High-voltage electroscope includes two parts of insulating bar and gauge outfit, and routine test content includes insulating bar part
Industrial frequency withstand voltage test and the starting of electroscope are tested.Insulating bar pressure test requirement, the insulating bar pressure voltage of 10kV electroscope are
45kV；35kV electroscope insulating bar pressure voltage is 95kV；110kV electroscope insulating bar pressure voltage is 220kV；220kV electroscope
Insulating bar pressure voltage is 440kV.And electroscope starting test, then be require electroscope be not higher than voltage rating 40%, it is not low
It correctly sounds the alarm in the case where the 15% of voltage rating.Since the application voltage difference of pressure test and starting test reaches
Several times, in order to avoid damaging the gauge outfit of electroscope, pressure test can only pressurize to the insulating bar part except gauge outfit, therefore,
The resistance to test pressure of insulating bar and electroscope starting test have to separate progress.In addition, if opening simultaneously more electroscopes
Dynamic test, multiple alarms can allow testing crew which electroscope qualification can not be judged.
Actually during the test, firstly, testing crew will use insulating bar pressure test special stand to more electrical verifications
The insulating bar part of device carries out pressure test simultaneously, then individually carries out starting test to electroscope one by one again.Traditional test
Method separately carries out two kinds of tests, and electroscope starting test applied voltage variation range is big, and testing crew is in test process
In it is cumbersome, efficiency is very low.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of high voltage electroscope starting detector, testing crew makes
It is tested with high voltage electroscope starting detector, pressure test can be carried out simultaneously to more insulating bars and starting is tested, section
The plenty of time has been saved, test efficiency is greatly improved.
The technical solution that the utility model is taken are as follows:
High voltage electroscope starts detector, including test voltage acquisition transmitter, test voltage receiver, electroscope starting
Detector.The test voltage acquisition transmitter passes through infrared emission for the test voltage of acquisition to be processed into digital signal
Pipe D1 is issued, and after test voltage receiver receives digital signal by infrared receiving tube D2, converts digital signals into test electricity
Pressure, is sent to each electroscope start-up detector.
The test voltage acquisition transmitter includes multi-tap miniature transformer, the high pressure of the multi-tap miniature transformer
Side is connected with testing transformer low-pressure side, for acquiring test voltage；The low-pressure side of the multi-tap miniature transformer is takes out more
Head output winding, is connected with selection switch, the first singlechip of the selection switch connection with A/D conversion function, and described the
One single-chip microcontroller connects infrared transmitting tube D1, and the test voltage of acquisition is converted to digital signal by the first singlechip, drives red
Outer transmitting tube D1.
The test voltage receiver includes infrared receiving tube D2, the second singlechip with D/A conversion function；It is described red
The received digital signal of infrared receiving tube D2 is converted to test by the outer reception pipe D2 connection second singlechip, second singlechip
Voltage, second singlechip connection have the chip of 2 voltage comparators, and the chip for having 2 voltage comparators is used for will
Test voltage is compared with the 15% of voltage rating and 40% respectively.
The test voltage receiver has 4 output terminals, and the difference end VCC, 1. V is held, 2. V is held, the end GND.
The electroscope start-up detector includes upper half box, lower half box；The lower half box there are connecting terminal, with
The connection of test voltage receiver；Upper half box, lower half box can be separated or be closed, after upper half box, lower half box close,
3 sections of cylindrical cavities: upper half cylinder cavity, middle semicolumn cavity, lower half cylindrical cavity, 3 sections of cylinders are formed in detector
Cavity is to place electroscope gauge outfit.The upper half cylinder cavity surface is equipped with the first conductive sheet, lower half cylinder cavity surface
Second conductive sheet is installed；When test, the first conductive sheet is contacted with electroscope metal tip, the second conductive sheet and insulating bar part
Contact.Upper half box, the lower half box of the electroscope start-up detector are made using sound insulation insulating materials.
The electroscope start-up detector includes: first and door chip, second and door chip, NOT gate chip；Acoustic control module,
To monitor electroscope alarm；LED light, to show whether electroscope acts；Unidirectional controllable silicon S CR, to control
LED light；Metal-oxide-semiconductor, for controlling high-voltage relay；Described first with door chip be separately connected the end VCC, V 1. hold, V 2.
End, the end GND, second and door chip；Described second is separately connected acoustic control module, unidirectional controllable silicon S CR cathode with door chip；It is described
NOT gate chip be separately connected the end VCC, V 1. hold, the end GND, unidirectional controllable silicon S CR gate pole；The unidirectional controllable silicon S CR anode, yin
Pole is separately connected metal-oxide-semiconductor, the end GND.
Selection switch of the selection switch comprising 4 gears, 4 gears a, b, c, d respectively correspond 10kV, 35kV,
110kV, 220kV voltage class select switching output voltage peak when each voltage class electroscope application voltage is its voltage rating
Value is all 5V.
The first singlechip connection switch power supply, Switching Power Supply export 5V power voltage supply.
The test voltage receiver includes 5V battery module, for test voltage receiver and electroscope starting detection
Device power supply.
A kind of high voltage electroscope of the utility model starts detector, while carrying out insulating bar pressure test and electroscope starting
Voltage test, while the routine test of more electroscopes is carried out, working efficiency is greatly improved.
Detailed description of the invention
Fig. 1 is that the test voltage of the utility model acquires the circuit diagram of transmitter.
Fig. 2 is the circuit diagram of the test voltage receiver of the utility model.
Fig. 3 (1) is the schematic view of the front view of the electroscope start-up detector of the utility model.
Fig. 3 (2) is the side structure schematic view of the electroscope start-up detector of the utility model.
Fig. 3 (3) is the schematic diagram of internal structure of the electroscope start-up detector of the utility model.
Fig. 4 is the circuit diagram of the electroscope start-up detector of the utility model.
Wherein: 5- infrared transmitting tube D1,8- infrared receiving tube D2,21- unidirectional controllable silicon S CR, 22-MOS pipe, 24- first
Conductive sheet, the second conductive sheet of 25-.
Specific embodiment
High voltage electroscope starts detector, is divided into 3 parts, including test voltage acquires transmitter, and test voltage receives
Device, electroscope start-up detector.
The circuit theory that test voltage acquires transmitter is as shown in Figure 1.Entire electric routing switch power supply 6 exports 5V voltage and supplies
The high-pressure side of electricity, multi-tap miniature transformer 1 is connected with pressure test power supply (i.e. testing transformer low-pressure side), is responsible for acquisition examination
Electrical verification pressure, the low-pressure side of multi-tap miniature transformer 1 are that multi-tap exports winding, are connected with selection switch 2.Switch 2 is selected to wrap
Selection switch containing 4 gears, 4 gears a, b, c, d respectively correspond 10kV, 35kV, 110kV, 220kV voltage class, each electricity
When pressure grade electroscope application voltage is its voltage rating, selecting 2 output voltage peak value of switch is all 5V.The selection switch 2
Connection has the first singlechip 4 of A/D conversion function, and the first singlechip 4 connects infrared transmitting tube D1, first monolithic
The test voltage of acquisition is converted to digital signal by machine 4, drives infrared transmitting tube D1.
The circuit theory of test voltage receiver is as shown in Figure 2.The test voltage receiver include infrared receiving tube D2,
Second singlechip 9 with D/A conversion function；The infrared receiving tube D2 connection second singlechip 9, second singlechip 9
The received digital signal of infrared receiving tube D2 is converted into test voltage, the connection of second singlechip 9 has 2 voltage comparators
Chip 10, the chip 10 for having 2 voltage comparators be used for by test voltage respectively with 15% and the 40% of voltage rating into
Row compares.Infrared receiving tube D2 and infrared transmitting tube D1 is to pipe.The test voltage receiver has 4 output terminals, respectively
1. the end VCC, V are held, 2. V is held, the end GND.The test voltage receiver includes 5V battery module 7, is responsible for receiving to test voltage
Device and the power supply of electroscope start-up detector.
Electroscope start-up detector is the cuboid box of 140*80*100 (mm), such as Fig. 3 (1), Fig. 3 (2), Fig. 3 (3),
Including upper half box 11, lower half box 12；There are connecting terminals for the lower half box 12, connect with test voltage receiver；On
Half box 11, lower half box 12 can be separated or be closed, after upper half box 11, lower half box 12 close, the shape in detector
At 3 sections of cylindrical cavities: upper half cylinder cavity 13, middle semicolumn cavity 14, lower half cylindrical cavity 15,3 sections of cylindrical cavities are used
To place electroscope gauge outfit.Upper half cylinder cavity 13 is the semicolumn cavity of long 1cm, diameter 1cm；Middle semicolumn cavity 14 is length
The semicolumn cavity of 12cm, diameter 4cm；Lower half cylindrical cavity 15 is the semicolumn cavity of long 1cm, diameter 2cm.The upper semi-circle
13 surface of column cavity is equipped with the first conductive sheet 24, and 15 surface of lower half cylindrical cavity is equipped with the second conductive sheet 25；When test, the
One conductive sheet 24 is contacted with electroscope metal tip, and the second conductive sheet 25 is touched with insulated rod portion tap.The electroscope starting inspection
Survey the upper half box 11 of device, lower half box 12 is made using sound insulation insulating materials, alarm when more electroscopes being avoided to test
Sound interferes with each other, and enables the correct monitoring alarm sound of electroscope detector.
The circuit theory of electroscope start-up detector is as shown in Figure 4.Electroscope start-up detector includes first and door chip
16, second with door chip 17, NOT gate chip 19.Acoustic control module 18, to monitor electroscope alarm.LED light 20 is used
To show whether electroscope acts.Unidirectional controllable silicon S CR, to control LED light 20.Metal-oxide-semiconductor 22, for control high pressure after
Electric appliance 23, high-voltage relay 23 are normal-open type relay, model HVR24-1A15.Described first is separately connected with door chip 16
1. the end VCC, V are held, 2. V is held, the end GND, second with door chip 17.Described second with door chip 17 be separately connected acoustic control module 18,
Unidirectional controllable silicon S CR cathode.The NOT gate chip 19 be separately connected the end VCC, V 1. hold, the end GND, unidirectional controllable silicon S CR gate pole.
The unidirectional controllable silicon S CR anode, cathode are separately connected metal-oxide-semiconductor 22, the end GND.When test, the first conductive sheet 24 (i.e. GND) with
The contact of electroscope metal tip, the second conductive sheet 25 are touched with insulated rod portion tap.Since metal tip is contacted with pressure electrode, because
This entire circuit and pressurization voltage are in same current potential, protect test voltage receiver and electroscope start-up detector.
Working principle:
When carrying out high voltage electroscope routine test using utility model device, test voltage need to be acquired to transmitter installation
In experiment power supply output end, test voltage receiver and electroscope start-up detector are mounted on the dedicated branch of insulating bar pressure test
On the high pressure side stand of frame.Then high voltage electroscope gauge outfit is placed in electroscope start-up detector, at this moment metal tip contact the
One conductive sheet 24, insulating bar contact the second conductive sheet 25.Finally test voltage receiver and electroscope start-up detector with leading
Line connection, then electroscope metal tip is made to touch test electrode, it can be tested.
When pressurization, the test voltage of acquisition can be processed into digital signal by test voltage acquisition transmitter, pass through infrared hair
Pipe D1 sending is penetrated, then digital signal is converted to test voltage, most after receiving digital signal by test voltage receiver again
After be sent to each electroscope start-up detector.
Start from scratch pressurization, since high-voltage relay 23 is not closed, test voltage, which is equivalent to, is added in electroscope metal tip,
Electroscope starting test is carried out at this time.When test voltage is only in the 15% ~ 40% of voltage rating, if acoustic control module 18 is supervised
Alarm is measured, unidirectional controllable silicon S CR can just be connected, and LED light 20 is bright, and otherwise LED light 20 does not work.Work as LED indication
After lamp 20 is bright, until test pressurization terminates all to be always on holding.After test voltage reaches the 40% of voltage rating, metal-oxide-semiconductor is led
Logical, high-voltage relay 23 is closed, and the first conductive sheet 24 is connected to the second conductive sheet 25, and electroscope gauge outfit is short-circuited at this time, gauge outfit
It is not subjected to high pressure, pressing position becomes insulating bar from electroscope gauge outfit.Continue to pressurize, just starts to carry out insulating bar pressure resistance examination
It tests.
Claims (10)
1. high voltage electroscope starts detector, including test voltage acquisition transmitter, test voltage receiver, electroscope starting inspection
Survey device；It is characterized by: the test voltage acquires transmitter, for the test voltage of acquisition to be processed into digital signal, lead to
Infrared transmitting tube D1 sending is crossed, after test voltage receiver receives digital signal by infrared receiving tube D2, digital signal is turned
It is changed to test voltage, is sent to each electroscope start-up detector.
2. high voltage electroscope starts detector according to claim 1, it is characterised in that: the test voltage acquires transmitter
Including multi-tap miniature transformer (1), high-pressure side and the testing transformer low-pressure side phase of the multi-tap miniature transformer (1)
Even, for acquiring test voltage；The low-pressure side of the multi-tap miniature transformer (1) is that multi-tap exports winding, is opened with selection
It closes (2) to be connected, selection switch (2) connection has the first singlechip (4) of A/D conversion function, the first singlechip (4)
Infrared transmitting tube D1 is connected, the test voltage of acquisition is converted to digital signal by the first singlechip (4), drives infrared emission
Pipe D1.
3. high voltage electroscope starts detector according to claim 1, it is characterised in that: the test voltage receiver includes
Infrared receiving tube D2, the second singlechip (9) with D/A conversion function；Infrared receiving tube D2 connection second monolithic
The received digital signal of infrared receiving tube D2 is converted to test voltage by machine (9), second singlechip (9), and second singlechip (9) is even
Tape splicing has the chip (10) of 2 voltage comparators, and the chip (10) for having 2 voltage comparators is used for test voltage point
It is not compared with the 15% of voltage rating and 40%.
4. high voltage electroscope starts detector according to claim 1, it is characterised in that: the electroscope start-up detector packet
Include upper half box (11), lower half box (12)；There are connecting terminals for the lower half box (12), connect with test voltage receiver
It connects；Upper half box (11), lower half box (12) can be separated or be closed, after upper half box (11), lower half box (12) close,
3 sections of cylindrical cavities: upper half cylinder cavity (13), middle semicolumn cavity (14), lower half cylindrical cavity (15) are formed in detector,
3 sections of cylindrical cavities are to place electroscope gauge outfit.
5. high voltage electroscope starts detector according to claim 4, it is characterised in that: upper half cylinder cavity (13) table
Face is equipped with the first conductive sheet (24), and lower half cylindrical cavity (15) surface is equipped with the second conductive sheet (25)；When test, first is led
Electric piece (24) contacts with electroscope metal tip, and the second conductive sheet (25) and insulated rod portion tap are touched.
6. high voltage electroscope starts detector according to claim 4, it is characterised in that: the electroscope start-up detector
Upper half box (11), lower half box (12) are made using sound insulation insulating materials.
7. high voltage electroscope starts detector according to claim 1, it is characterised in that: the electroscope start-up detector packet
It includes: first and door chip (16), second and door chip (17), NOT gate chip (19)；
Acoustic control module (18), to monitor electroscope alarm；
LED light (20), to show whether electroscope acts；
Unidirectional controllable silicon S CR, to control LED light (20)；
Metal-oxide-semiconductor (22), for controlling high-voltage relay (23)；
Described first is separately connected that 1. the end VCC, V holds, 2. V is held, the end GND, second and door chip (17) with door chip (16)；
Described second is separately connected acoustic control module (18), unidirectional controllable silicon S CR cathode with door chip (17)；
The NOT gate chip (19) be separately connected the end VCC, V 1. hold, the end GND, unidirectional controllable silicon S CR gate pole；
The unidirectional controllable silicon S CR anode, cathode are separately connected metal-oxide-semiconductor (22), the end GND.
8. high voltage electroscope starts detector according to claim 2, it is characterised in that: the selection switch (2) includes 4
The selection of gear switchs, and 4 gears a, b, c, d respectively correspond 10kV, 35kV, 110kV, 220kV voltage class, each voltage class
When electroscope application voltage is its voltage rating, selecting switch (2) output voltage peak value is all 5V.
9. high voltage electroscope starts detector according to claim 1, it is characterised in that: the test voltage receiver includes
5V battery module (7), for powering to test voltage receiver and electroscope start-up detector.
10. high voltage electroscope starts detector according to claim 2, it is characterised in that: first singlechip (4) connection
Switching Power Supply, Switching Power Supply export 5V power voltage supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156510.8U CN208547708U (en) | 2018-07-20 | 2018-07-20 | High voltage electroscope starts detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156510.8U CN208547708U (en) | 2018-07-20 | 2018-07-20 | High voltage electroscope starts detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208547708U true CN208547708U (en) | 2019-02-26 |
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ID=65425113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821156510.8U Expired - Fee Related CN208547708U (en) | 2018-07-20 | 2018-07-20 | High voltage electroscope starts detector |
Country Status (1)
| Country | Link |
|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802656A (en) * | 2018-07-20 | 2018-11-13 | 国网湖北省电力有限公司宜昌供电公司 | High voltage electroscope starts detector |
-
2018
- 2018-07-20 CN CN201821156510.8U patent/CN208547708U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802656A (en) * | 2018-07-20 | 2018-11-13 | 国网湖北省电力有限公司宜昌供电公司 | High voltage electroscope starts detector |
| CN108802656B (en) * | 2018-07-20 | 2024-01-16 | 国网湖北省电力有限公司宜昌供电公司 | High-voltage electroscope starting detector |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190226 Termination date: 20200720 |