CN107255601A - A kind of transformer SF6 gas density is measuring apparatus - Google Patents
A kind of transformer SF6 gas density is measuring apparatus Download PDFInfo
- Publication number
- CN107255601A CN107255601A CN201710594303.4A CN201710594303A CN107255601A CN 107255601 A CN107255601 A CN 107255601A CN 201710594303 A CN201710594303 A CN 201710594303A CN 107255601 A CN107255601 A CN 107255601A
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- Prior art keywords
- pressure
- micro
- sensor
- gas
- transformer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
Abstract
The invention discloses a kind of transformer SF6 gas density is measuring apparatus, including sensor, sensor is arranged on the lower section of micro- water density transmitter, gyroscope is provided with the left of sensor, motion stops are provided with the left of gyroscope, detector of the present invention adds the movable sealing nut for being finely adjusted solar term pressure of three breather chambers of connection in the centre of sealing plate, so micro regulation can be carried out to the pressure of three vent chambers by rotating nut, to adapt to the demand of varying environment and condition, one is also added on the right side of three vent chambers in addition can be with pressure-variable gas limiter, so when the pressure that three vent chambers are inflated is excessive, this pressure-variable gas limiter can be under pressure by contained spring displacement to the right, when pressure recovery, the elastic force of spring can make the spacing reply position of this pressure-variable gas, so that measuring instrument can adapt to the measurement of various gas pressures.
Description
Technical field
The invention belongs to measuring instrument correlative technology field, and in particular to a kind of transformer SF6 gas density is measuring apparatus.
Background technology
Full-automatic transformer density relay checking instrument is newest high precision instrument, and instrument Primary Component is all using precision
Import partses, by high-precision pressure sensor and high precision converter, with reference to the high speed signal of high-performance 32-bit high-speed microprocessor
Process chip, can be automatically performed the verification to transformer density monitor, when the accurate measurement signal of energy is acted under Current Temperatures
Pressure value is simultaneously automatically performed any environment temperature to normal pressure conversion at 20 DEG C, and energy automatic printing test data is simultaneously deposited automatically
Storage is in case consult, and whole process is not necessary to the failure in manual intervention, and automatic identification test process, embodies instrument " intelligent "
The characteristics of.
The presence problems with of prior art：1st, existing measuring instrument can only carry out the measurement debugging of certain pressure, to three
The gas pressure that vent chamber is charged into can only be adjusted by air inlet and gas supplementing opening, but air inlet and gas supplementing opening can only be determined
The carry out pressurising of amount, it is impossible to accurately debugged；2nd, existing measuring instrument can only fill to three breather chambers of fixed capacity
Pressure measurement, so when pressure is excessive, the scope born beyond three breather chambers, it is possible to the danger that measuring instrument can be caused to explode,
So limit the use scope of measuring instrument.
The content of the invention
It is an object of the invention to provide a kind of transformer SF6 gas density is measuring apparatus, to solve above-mentioned background technology
The problem of the danger of blast can be caused when can not be finely adjusted pressure progress and excessive pressure to three breather chambers of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of transformer SF6 gas density is measuring apparatus, including sensor, the sensor are arranged on micro- water density pick-up
It is provided with the left of the lower section of device, the sensor on the left of gyroscope, the gyroscope and is provided with motion stops, on the left of the motion stops
Top, which is provided with the left of attaching nut, the attaching nut, is provided with air inlet, and lower section is provided with sealing on the left of the sensor
It is provided with the middle of plate, the sealing plate above pressure micro actuator, micro- water density transmitter and is provided with electrical connector, it is described micro-
Water density transmitter lower right-hand side is provided with threeway Self-sealing valve, and it is spacing that the threeway Self-sealing valve lower section is provided with pressure-variable gas
It is provided with the right side of device, the pressure-variable gas limiter on gas supplementing opening, the pressure micro actuator and is provided with knob adjustment cap, it is described
It is provided with the left of progress nut, the pressure-variable gas limiter and is provided with by press strip above knob adjustment cap, it is described by press strip
Right side is provided with the right side of compression spring, the compression spring and is provided with limit plunger, and the electrical connector and sensor pass through outside
Power supply is electrically connected with.
It is preferred that, the electrical connector and micro- water density transmitter are connected by attaching nut.
It is preferred that, the progress nut and knob adjustment cap are connected by welding manner.
It is preferred that, the sensor and micro- water density transmitter are connected by attaching nut.
It is preferred that, the threeway Self-sealing valve and sealing plate are connected by fixing nut.
It is preferred that, the motion stops and air inlet are connected by neck.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention adds the activity for being finely adjusted solar term pressure of three breather chambers of connection in the centre of sealing plate
Sealing nut, so can carry out micro regulation to the pressure of three vent chambers, to adapt to different rings by rotating nut
Border and the demand of condition, and movable sealing nut is set to knob, is so more convenient to use；
2nd, the present invention one is added on the right side of three vent chambers can be with pressure-variable gas limiter, so when three ventilations
When the pressure of indoor inflation is excessive, this pressure-variable gas limiter can be under pressure by contained spring displacement to the right, work as pressure
When power is replied, the elastic force of spring can make the spacing reply position of this pressure-variable gas so that measuring instrument can adapt to various gases
The measurement of pressure, considerably increases its security used.
Brief description of the drawings
Fig. 1 is measuring instrument structural representation of the invention；
Fig. 2 is pressure micro actuator structural representation of the invention；
Fig. 3 is pressure-variable gas limiter structural representation of the invention；
In figure：1- air inlets, 2- attaching nut, 3- motion stops, 4- gyroscopes, 5- electrical connectors, the micro- water density pick-ups of 6-
Device, 7- threeways Self-sealing valve, 8- pressure-variable gases limiter, 9- gas supplementing openings, 10- sealing plates, the breather chambers of 11- tri-, the fine setting of 12- pressure
Device, 13- sensors, 14- progresses nut, 15- rotations adjustment cap, 16- are by press strip, 17- compression springs, 18- limit plungers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：
A kind of transformer SF6 gas density is measuring apparatus, including sensor 13, sensor 13 are arranged on micro- water density pick-up
The lower section of device 6, the left side of sensor 13 is provided with gyroscope 4, and the left side of gyroscope 4 is provided with top on the left of motion stops 3, motion stops and set
Attaching nut 2 is equipped with, the left side of attaching nut 2 is provided with air inlet 1, and the left side of sensor 13 lower section is provided with sealing plate 10, sealed
Pressure micro actuator 12 is provided with the middle of plate 10, micro- top of water density transmitter 6 is provided with electrical connector 5, micro- water density transmitter 6
Lower right-hand side is provided with threeway Self-sealing valve 7, and the lower section of threeway Self-sealing valve 7 is provided with pressure-variable gas limiter 8, pressure-variable gas limit
The right side of position device 8, which is provided with gas supplementing opening 9, pressure micro actuator 12, is provided with knob adjustment cap 15, and the top of knob adjustment cap 15 is set
There is progress nut 14, the left side of pressure-variable gas limiter 8 is provided with by press strip 16, and the right side of press strip 16 is provided with compression spring
17, the right side of compression spring 17 is provided with limit plunger 18, and electrical connector 5 and sensor 13 are electrically connected with by external power source.
For the ease of the replacing of electrical connector 5, in the present invention, electrical connector 5 and micro- water density transmitter 6 preferably pass through
Attaching nut connects.
In order to which pressure micro actuator 12 is more durable, in the present invention, progress nut 14 and knob adjustment cap 15 preferably pass through
Welding manner is connected.
In the repair and replacement of micro- water density transmitter 6 for convenience, the present invention, sensor 13 and micro- water density preferably become
Device 6 is sent to be connected by attaching nut.
For more stable work, in the present invention, threeway Self-sealing valve 7 and sealing plate 10 preferably are connected by fixing nut
Connect.
In order that the more flexible motion of motion stops 3, in invention, motion stops 3 and air inlet 1 preferably are connected by neck
Connect.
The present invention operation principle and use flow：After the present invention is installed, air inlet 1, this pipeline is lived first
Dynamic plug 3 is got on by neck card, and then gyroscope 4 is fixed on air inlet 1 on the right side of motion stops 3, then electrically connecing
Mouth 5 is fixed to the tops of micro- water density transmitter 6, then sensor 13 is fixedly mounted on the lower end of micro- water density transmitter 6
On port, then threeway Self-sealing valve 7 is fixed in the left and right sides of sealing plate 10, in then assembling pressure-variable gas limiter
8, in the leftmost side of pressure-variable gas limiter 8 being installed by press strip 16, compression spring 17 is fixed on the right side by press strip 16
To the centre of the pipeline of gas supplementing opening 9, it is then attached in limit plunger 18, subsequently both sides above and below the part of air inlet 1 assembled
It is good by the fixing seal of attaching nut 2 by sealing plate 10, the gas supplementing opening 9 assembled is then passed through sealing plate 10 on right side
The pressure-variable gas limiter 8 assembled is clipped in the middle sealing plate 10 and the connection good seal of attaching nut 2, finally again assembling
Micro- water density transmitter 6 be spirally fixed on upper sealing panel 10, so this measuring instrument just can with normal work, the present invention
The movable sealing nut for being finely adjusted solar term pressure of three breather chambers 11 of connection is added in the centre of sealing plate 10, so
Micro regulation can be carried out to the pressure in three breather chambers 11 by rotating nut, to adapt to the need of varying environment and condition
Ask, and movable sealing nut is set to knob, is so more convenient to use, in addition right side of the present invention in three breather chambers 11
Adding one can be with pressure-variable gas limiter 8, so when the pressure of inflation in three breather chambers 11 is excessive, this pressure-variable
Gas limiter 8 can be under pressure by the internal displacement to the right of compression spring 17, when pressure recovery, the elastic force of compression spring 17
This pressure-variable gas limiter 8 can be made to reply position so that measuring instrument can adapt to the measurement of various gas pressures, increase
Its security used is added.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of transformer SF6 gas density is measuring apparatus, including sensor (13), it is characterised in that：
The sensor (13) is arranged on the left of the lower section of micro- water density transmitter (6), the sensor (13) and is provided with gyro
Top on the left of motion stops (3), the motion stops is provided with the left of instrument (4), the gyroscope (4) and is provided with attaching nut (2), institute
State and be provided with air inlet (1) on the left of attaching nut (2)；
Lower section is provided with the middle of sealing plate (10), the sealing plate (10) and is provided with pressure micro actuator on the left of the sensor (13)
(12) electrical connector (5), micro- water density transmitter (6) lower right-hand side, are provided with above micro- water density transmitter (6)
It is provided with below threeway Self-sealing valve (7), the threeway Self-sealing valve (7) and is provided with pressure-variable gas limiter (8), the pressure-variable
Gas supplementing opening (9) is provided with the right side of gas limiter (8)；
It is provided with the pressure micro actuator (12) above knob adjustment cap (15), the knob adjustment cap (15) and is provided with progress
It is provided with the left of nut (14), the pressure-variable gas limiter (8) by press strip (16), it is described to be provided with by press strip (16) right side
Limit plunger (18), the electrical connector (5) and sensor (13) are provided with the right side of compression spring (17), the compression spring (17)
It is electrically connected with by external power source.
2. a kind of transformer SF6 gas density is measuring apparatus according to claim 1, it is characterised in that：It is described electrically to connect
Head (5) and micro- water density transmitter (6) are connected by attaching nut.
3. a kind of transformer SF6 gas density is measuring apparatus according to claim 1, it is characterised in that：The progress spiral shell
Female (14) and knob adjustment cap (15) are connected by welding manner.
4. a kind of transformer SF6 gas density is measuring apparatus according to claim 1, it is characterised in that：The sensor
(13) connected with micro- water density transmitter (6) by attaching nut.
5. a kind of transformer SF6 gas density is measuring apparatus according to claim 1, it is characterised in that：The threeway is certainly
Envelope valve (7) and sealing plate (10) are connected by fixing nut.
6. a kind of transformer SF6 gas density is measuring apparatus according to claim 1, it is characterised in that：The motion stops
(3) connected with air inlet (1) by neck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594303.4A CN107255601B (en) | 2017-07-20 | 2017-07-20 | Transformer SF6 gas density measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594303.4A CN107255601B (en) | 2017-07-20 | 2017-07-20 | Transformer SF6 gas density measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107255601A true CN107255601A (en) | 2017-10-17 |
| CN107255601B CN107255601B (en) | 2020-05-08 |
Family
ID=60025637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594303.4A Active CN107255601B (en) | 2017-07-20 | 2017-07-20 | Transformer SF6 gas density measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255601B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB549957A (en) * | 1939-12-27 | 1942-12-16 | United Aircraft Corp | Improvements in or relating to fluid density measuring devices |
| CN201314891Y (en) * | 2008-12-01 | 2009-09-23 | 常州爱特科技有限公司 | On-line micro water content measuring device |
| CN202661348U (en) * | 2012-06-04 | 2013-01-09 | 西安华伟自控设备有限公司 | SF6 gas density transmitter |
| CN202916159U (en) * | 2012-11-20 | 2013-05-01 | 河南中分仪器股份有限公司 | Moisture densimeter |
| CN203718076U (en) * | 2014-02-25 | 2014-07-16 | 浙江超超安全阀制造有限公司 | Safety valve of air compressor |
| CN204044019U (en) * | 2014-08-11 | 2014-12-24 | 苏州赛通自动化技术有限公司 | A kind of SF6 gas small water density synthetic sensor |
| CN204314275U (en) * | 2014-12-15 | 2015-05-06 | 南京南电继保自动化有限公司 | A kind of micro-water-mass density on-Line Monitor Device for SF6 gas |
| CN205749189U (en) * | 2016-07-01 | 2016-11-30 | 西安华伟电力电子技术有限责任公司 | A kind of bellows-type SF of band remote transfer signal6density controller |
-
2017
- 2017-07-20 CN CN201710594303.4A patent/CN107255601B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB549957A (en) * | 1939-12-27 | 1942-12-16 | United Aircraft Corp | Improvements in or relating to fluid density measuring devices |
| CN201314891Y (en) * | 2008-12-01 | 2009-09-23 | 常州爱特科技有限公司 | On-line micro water content measuring device |
| CN202661348U (en) * | 2012-06-04 | 2013-01-09 | 西安华伟自控设备有限公司 | SF6 gas density transmitter |
| CN202916159U (en) * | 2012-11-20 | 2013-05-01 | 河南中分仪器股份有限公司 | Moisture densimeter |
| CN203718076U (en) * | 2014-02-25 | 2014-07-16 | 浙江超超安全阀制造有限公司 | Safety valve of air compressor |
| CN204044019U (en) * | 2014-08-11 | 2014-12-24 | 苏州赛通自动化技术有限公司 | A kind of SF6 gas small water density synthetic sensor |
| CN204314275U (en) * | 2014-12-15 | 2015-05-06 | 南京南电继保自动化有限公司 | A kind of micro-water-mass density on-Line Monitor Device for SF6 gas |
| CN205749189U (en) * | 2016-07-01 | 2016-11-30 | 西安华伟电力电子技术有限责任公司 | A kind of bellows-type SF of band remote transfer signal6density controller |
Non-Patent Citations (2)
| Title |
|---|
| 冯颖姣等: "GIS气室SF6气体微水密度在线监测实用技术", 《电工技术》 * |
| 郝骏: "GIS中SF6气体在线监测的实现", 《科技展望》 * |
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| Publication number | Publication date |
|---|---|
| CN107255601B (en) | 2020-05-08 |
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