CN206208498U - A kind of YTC4650 SF6 density relay checking instruments - Google Patents
A kind of YTC4650 SF6 density relay checking instruments Download PDFInfo
- Publication number
- CN206208498U CN206208498U CN201621020524.8U CN201621020524U CN206208498U CN 206208498 U CN206208498 U CN 206208498U CN 201621020524 U CN201621020524 U CN 201621020524U CN 206208498 U CN206208498 U CN 206208498U
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- Prior art keywords
- cylinder
- density
- pressure
- pressure sensor
- sensor
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a kind of YTC4650 SF6 density relay checking instruments,Including apparatus body,Density monitor testing cassete is installed with below the apparatus body,And density monitor testing cassete front end is installed with cylinder valve and electromagnetic valve,The magnetic valve lower section is installed with humidity sensor,The front end of the cylinder valve is installed with pressure sensor and temperature sensor,And the front end of pressure sensor and temperature sensor is installed with cylinder,The front end of the cylinder is installed with drive mechanism,The YTC4650 SF6 density relay checking instruments,Tester is adjusted by stepper motor to density monitor pressure,And the output of pressure sensor is gathered by analog to digital conversion circuit,Realize to density monitor alarm and the measurement of locking pressure,Simultaneously,The tester can be stored to historical data,For user's inquiry,It is reasonable in design,It is easy to use,It is stable.
Description
Technical field
The utility model is related to density relay checking instrument technical field, specially a kind of YTC4650 SF6 density relays
Device tester.
Background technology
SF6 breakers have good insulation and arc extinction performance, and its dielectric strength and arc extinguishing ability depend on that SF6 gases are close
Degree, when density is reduced, can cause the reduction of air insulating device compressive resistance and breaker Breaking capacity to decline, usually using close
Degree relay is monitored on-line to the SF6 gas density is in breaker, however, installing SF6 density monitor meetings at the scene
Because long-time is failure to actuate the appearance action failure such as dumb, thus periodically it is verified be ensure power equipment reliability service must
Want means, additionally, SF6 gases can produce powdered sediment after being decomposed through electric arc, solids of these precipitations make moist after in half
The characteristic of conductor, makes insulating properties decline to a great extent, therefore the moisture of SF6 gases equally drastically influence the property of electrical equipment
Can, for these reasons, the utility model proposes a kind of method for designing of SF6 density relay checking instruments, solve at present
Automaticity that some methods of calibration are present is low, checking precision is not high, the problems such as micro- water gaging can not be carried out to SF6 gases.
Utility model content
For problem above, the utility model provides a kind of YTC4650SF6 density relay checking instruments, easy to use,
It is stable, strong antijamming capability, high precision, in can effectively solving the problems, such as background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of YTC4650 SF6 density monitors school
Instrument, including apparatus body are tested, density monitor testing cassete is installed with below the apparatus body, by density monitor
Testing cassete avoids provision for disengagement, and density monitor testing cassete front end is installed with cylinder valve and magnetic valve, by cylinder
Air-tightness in valve regulated tester, the magnetic valve lower section is installed with humidity sensor, before the cylinder valve
End is installed with pressure sensor and temperature sensor, by the pressure in pressure sensor and temperature sensor detector
And temperature, and the front end of pressure sensor and temperature sensor is installed with cylinder, the front end of the cylinder is installed with
Drive mechanism, the gas pressure in cylinder is adjusted by driving structure, and the inside of the apparatus body is installed with microcontroller
Device, and the surface of apparatus body is installed with LCD display and function key.
Used as a kind of preferred technical scheme of the utility model, the microcontroller uses ATmega128 singlechip chips,
The pressure sensor and temperature sensor are connected with A/D sample circuits, and A/D sample circuits are connected with microcontroller.
Used as a kind of preferred technical scheme of the utility model, the drive mechanism includes that stepper motor and motor drive electricity
Road.
Used as a kind of preferred technical scheme of the utility model, the apparatus body is also associated with mini-printer.
Compared with prior art, the beneficial effects of the utility model are：The YTC4650SF6 density relay checking instruments, school
Test instrument to be adjusted density monitor pressure by stepper motor, and the defeated of pressure sensor is gathered by analog to digital conversion circuit
Go out, realize to density monitor alarm and the measurement of locking pressure, meanwhile, the tester can be stored to historical data,
For user's inquiry, reasonable in design, easy to use, stable, strong antijamming capability, high precision.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model control block diagram.
In figure：1- apparatus bodies；2- density monitor testing cassetes；3- cylinder valves；4- magnetic valves；5- humidity sensors；
6- pressure sensors；7- temperature sensors；8- cylinders；9- driving structures；10- microcontrollers；11-LCD display screens；12- functions
Key；13-A/D sample circuits；14- mini-printers.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment：
Fig. 1 and Fig. 2 is referred to, the utility model provides a kind of technical scheme：A kind of YTC4650SF6 density monitors school
Test instrument, including apparatus body 1, the lower section of the apparatus body 1 is installed with density monitor testing cassete 2, by density after
Electric test box 2 avoids provision for disengagement, and the front end of density monitor testing cassete 2 is installed with cylinder valve 3 and magnetic valve 4,
Air-tightness in tester is adjusted by cylinder valve 3, the lower section of the magnetic valve 4 is installed with humidity sensor 5, the gas
The front end of cylinder valve door is installed with pressure sensor 6 and temperature sensor 7, is examined by pressure sensor 6 and temperature sensor 7
The pressure and temperature surveyed in device, and the front end of pressure sensor 6 and temperature sensor 7 is installed with cylinder 8, the cylinder
8 front end is installed with drive mechanism 9, and the gas pressure in cylinder 8 is adjusted by driving structure 9, the apparatus body 1
Inside is installed with microcontroller 10, and the surface of apparatus body 1 is installed with LCD display 11 and function key 12, institute
Stating microcontroller 10 uses ATmega128 singlechip chips, the pressure sensor 6 and temperature sensor 7 to be connected with A/D samplings
Circuit 13, and A/D sample circuits 13 are connected with microcontroller 10, the drive mechanism 9 includes that stepper motor and motor drive electricity
Road, the apparatus body 1 is also associated with mini-printer 14.
Operation principle of the present utility model：The YTC4650SF6 density relay checking instruments, by tester and SF6 relays
Detection interface be connected, constitute the gas circuit of connection, control the drive mechanism 9 can to change gas in gas circuit by microprocessor 10
Pressure, when pressure value is too low causes density monitor to act, tester can gather the locking atmospheric pressure value and report at corresponding moment
Alert atmospheric pressure value.Its specific workflow is：According to advance setting value, piston movement is controlled, complete rated pressure and set
Journey.Then the stretching of control piston, reduces the atmospheric pressure value in pipeline, and when atmospheric pressure value reduces to a certain extent, density monitor is produced
Raw actuation of an alarm；Further reduce air pressure, produce block action.Gather the pressure value of the two action moments, and according to measuring
Temperature value be converted into standard value at 20 DEG C, alarm rated value and locking rated value with density monitor are compared
Compared with, it can be determined that relay whether normal work.Cylinder valve 3 is closed, the magnetic valve 4 of body valve and humidity pipeline is opened,
The gas allowed using pressure differential in body discharges the residual gas in humidity pipeline, it is ensured that measurement is the wet of bulk gas
Degree.Close the measurement bulk gas humidity value of magnetic valve 4, you can show whether SF6 gas humidities are exceeded.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. a kind of YTC4650SF6 density relay checking instruments, including apparatus body (1), it is characterised in that：The apparatus body
(1) density monitor testing cassete (2) is installed with below, provision for disengagement is avoided by density monitor testing cassete (2), and
Density monitor testing cassete (2) front end is installed with cylinder valve (3) and magnetic valve (4), is adjusted by cylinder valve (3) and surveyed
Air-tightness in examination instrument, magnetic valve (4) lower section is installed with humidity sensor (5), the front end of the cylinder valve (3)
Pressure sensor (6) and temperature sensor (7) are installed with, dress is detected by pressure sensor (6) and temperature sensor (7)
Pressure and temperature in putting, and the front end of pressure sensor (6) and temperature sensor (7) is installed with cylinder (8), the gas
The front end of cylinder (8) is installed with drive mechanism (9), and the gas pressure in cylinder (8), the equipment are adjusted by driving structure
The inside of body (1) is installed with microcontroller (10), and the surface of apparatus body (1) is installed with LCD display
And function key (12) (11).
2. a kind of YTC4650SF6 density relay checking instruments according to claim 1, it is characterised in that：The microcontroller
Device (10) uses ATmega128 singlechip chips, the pressure sensor (6) and temperature sensor (7) to be connected with A/D sampling electricity
Road (13), and A/D sample circuits (13) are connected with microcontroller (10).
3. a kind of YTC4650SF6 density relay checking instruments according to claim 1, it is characterised in that：The driving machine
Structure (9) includes stepper motor and motor-drive circuit.
4. a kind of YTC4650SF6 density relay checking instruments according to claim 1, it is characterised in that：The equipment sheet
Body (1) is also associated with mini-printer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020524.8U CN206208498U (en) | 2016-08-31 | 2016-08-31 | A kind of YTC4650 SF6 density relay checking instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020524.8U CN206208498U (en) | 2016-08-31 | 2016-08-31 | A kind of YTC4650 SF6 density relay checking instruments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208498U true CN206208498U (en) | 2017-05-31 |
Family
ID=58760140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621020524.8U Expired - Fee Related CN206208498U (en) | 2016-08-31 | 2016-08-31 | A kind of YTC4650 SF6 density relay checking instruments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208498U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677957A (en) * | 2017-10-26 | 2018-02-09 | 云南省送变电工程公司 | Portable density table contact tester |
| CN108535641A (en) * | 2018-06-12 | 2018-09-14 | 广东电网有限责任公司 | A kind of SF6 density monitors calibration equipment |
| CN110426314A (en) * | 2019-09-04 | 2019-11-08 | 上海乐研电气有限公司 | On-line sampling check-up gas density electrical relay with defencive function |
-
2016
- 2016-08-31 CN CN201621020524.8U patent/CN206208498U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677957A (en) * | 2017-10-26 | 2018-02-09 | 云南省送变电工程公司 | Portable density table contact tester |
| CN107677957B (en) * | 2017-10-26 | 2024-01-30 | 云南省送变电工程公司 | Portable density meter contact calibrator |
| CN108535641A (en) * | 2018-06-12 | 2018-09-14 | 广东电网有限责任公司 | A kind of SF6 density monitors calibration equipment |
| CN108535641B (en) * | 2018-06-12 | 2024-03-08 | 广东电网有限责任公司 | SF6 density relay calibration device |
| CN110426314A (en) * | 2019-09-04 | 2019-11-08 | 上海乐研电气有限公司 | On-line sampling check-up gas density electrical relay with defencive function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170531 Termination date: 20190831 |