CN104064395A - High-voltage circuit breaker arc extinguish chamber pressure measurement method based on built-in elastic ball - Google Patents

High-voltage circuit breaker arc extinguish chamber pressure measurement method based on built-in elastic ball Download PDF

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Publication number
CN104064395A
CN104064395A CN201410325356.2A CN201410325356A CN104064395A CN 104064395 A CN104064395 A CN 104064395A CN 201410325356 A CN201410325356 A CN 201410325356A CN 104064395 A CN104064395 A CN 104064395A
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China
Prior art keywords
elastic ball
explosion chamber
chamber
voltage breaker
circuit breaker
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Application number
CN201410325356.2A
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Chinese (zh)
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CN104064395B (en
Inventor
满玉岩
刘宝成
张弛
唐庆华
郗晓光
严玮
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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Priority to CN201410325356.2A priority Critical patent/CN104064395B/en
Publication of CN104064395A publication Critical patent/CN104064395A/en
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Publication of CN104064395B publication Critical patent/CN104064395B/en
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  • Gas-Insulated Switchgears (AREA)

Abstract

The invention relates to a high-voltage circuit breaker arc extinguish chamber pressure measurement method based on a built-in elastic ball. The pressure measurement method includes the following steps that the elastic ball is installed in a high-voltage circuit breaker arc extinguish chamber through a movable sliding block and prefilled with a certain amount of air, and a magnetic block in the chamber is fixed to the top end of the elastic ball; a magnetic buoy outside the chamber is installed at the position, corresponding to the magnetic block in the chamber, of the outer wall of the high-voltage circuit breaker arc extinguish chamber; when pressure in the high-voltage circuit breaker arc extinguish chamber is changed, the volume of the elastic ball is changed accordingly, and the position of the magnetic block in the chamber is changed accordingly to drive the position of the magnetic buoy outside the chamber to be changed, so that the pressure in the arc extinguish chamber is measured. The design is reasonable, and the position of the magnetic buoy outside the chamber is driven to be changed through changes of the volume of the elastic ball, so that the pressure in the extinguish chamber is measured in real time, the problem that the pressure in the high-voltage circuit breaker arc extinguish chamber cannot be measured in real time is effectively solved, and the high-voltage circuit breaker arc extinguish chamber pressure measurement method has the advantages that use is convenient, and performance is stable and reliable.

Description

A kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball
Technical field
The invention belongs to primary cut-out technical field, especially a kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball.
Background technology
Primary cut-out is equipment conventional in high-tension circuit.The arc control device of primary cut-out are totally-enclosed structure, and arc control device must keep certain pressure, its arc extinguishing ability of guarantee.In the running of primary cut-out, in order to guarantee the arc extinction performance of primary cut-out, need to measure arc suppression chamber pressure, still, because arc control device are full-closed structures, there is no at present effective technological means the pressure of arc control device is measured in real time.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of reasonable in design, quick and precisely, the high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball easy to use.
The present invention solves existing technical problem and takes following technical scheme to realize:
A high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball, comprises the following steps:
Step 1, in high-voltage breaker explosion chamber, by removable slide block, one elastic ball is installed, preliminary filling quantitative gas in elastic ball, is fixed on indoor magnetic block on the top of elastic ball;
Step 2, on high-voltage breaker explosion chamber outer wall, with indoor magnetic block opposite position, one outdoor magnet buoy is installed;
Step 3, when high-voltage breaker explosion chamber internal pressure changes, elastic ball volume changes thereupon, the position of indoor magnetic block also changes thereupon, drives the position of the outer magnet buoy of arc control device to change, thereby realizes the function of measuring arc control device internal pressure.
And, the scale that reacts high-voltage breaker explosion chamber internal pressure is set on the arc control device outer wall moving up and down at outdoor magnet buoy, by this scale, show intuitively the pressure of high-voltage breaker explosion chamber.
Advantage of the present invention and good effect are:
The present invention is reasonable in design, it is fixedly mounted with indoor magnetic block at arc extinguishing indoor location elastic ball and at elastic ball top, simultaneously, the outdoor magnet buoy corresponding with indoor magnetic block is set on arc control device outer wall, by the variation of elastic ball volume, drive the variation of outdoor magnet buoy position, thereby reach the object that real-time measurement arc control device internal pressure changes, effectively solved the problem that cannot measure in real time high-voltage breaker explosion chamber internal pressure, the feature such as there is quick and precisely, easy to use, reliable and stable.
Accompanying drawing explanation
Fig. 1 is measuring principle schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described.
A high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball, adopts high-voltage breaker explosion chamber device for pressure measurement as shown in Figure 1 to carry out measuring and surveying in real time to the high-voltage breaker explosion chamber pressure of totally-enclosed structure.This measurement mechanism comprises elastic ball 3, indoor magnetic block 2 and outdoor magnet buoy 5, described elastic ball is made by elastomeric material, this elastic ball is arranged in high-voltage breaker explosion chamber 1 by the removable slide block 4 of side and bottom, preliminary filling quantitative gas in elastic ball, described indoor magnetic block is fixed on the top of elastic ball, and described outdoor magnet buoy is arranged on position corresponding with indoor magnetic block on arc control device outer wall.The scale that reaction high-voltage breaker explosion chamber internal pressure is set on the arc control device outer wall moving up and down at outdoor magnet buoy, more can demonstrate high-voltage breaker explosion chamber internal pressure value intuitively.
High-voltage breaker explosion chamber pressure measurement method of the present invention comprises the following steps:
Step 1, in high-voltage breaker explosion chamber, by removable slide block, one elastic ball is installed, preliminary filling quantitative gas in elastic ball, is fixed on indoor magnetic block on the top of elastic ball.
Step 2, on high-voltage breaker explosion chamber outer wall, with indoor magnetic block opposite position, one outdoor magnet buoy is installed, and the scale of reaction high-voltage breaker explosion chamber internal pressure is set on the arc control device outer wall moving up and down at outdoor magnet buoy.
Indoor magnetic block and outdoor magnet buoy are adjacent to respectively in high-voltage breaker explosion chamber inner side and outside by magnetic, and when indoor magnetic block position is moved, the effect by magnetic can drive outdoor magnet buoy to do synchronizing moving.
The scale that reaction high-voltage breaker explosion chamber internal pressure is set on the arc control device outer wall moving up and down at outdoor magnet buoy, can demonstrate high-voltage breaker explosion chamber internal pressure value intuitively.
Step 3, when high-voltage breaker explosion chamber internal pressure changes, elastic ball volume changes thereupon, the position of indoor magnetic block also changes thereupon, drives the position of the outer magnet buoy of arc control device to change, thereby realizes the function of measuring arc control device internal pressure.
When arc control device internal pressure raises, elasticity of compression ball, elastic ball diminishes, and drives indoor magnetic block and outdoor magnet buoy to move down; When arc control device internal pressure declines, elastic ball expands and becomes large, drives indoor magnetic block and outdoor magnet buoy to move up, and by the scale being shaped with on arc control device outer wall, obtains the pressure of high-voltage breaker explosion chamber internal pressure value.
It is emphasized that; embodiment of the present invention is illustrative; rather than determinate; therefore the present invention includes and be not limited to the embodiment described in embodiment; every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention, belong to the scope of protection of the invention equally.

Claims (2)

1. the high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball, is characterized in that comprising the following steps:
Step 1, in high-voltage breaker explosion chamber, by removable slide block, one elastic ball is installed, preliminary filling quantitative gas in elastic ball, is fixed on indoor magnetic block on the top of elastic ball;
Step 2, on high-voltage breaker explosion chamber outer wall, with indoor magnetic block opposite position, one outdoor magnet buoy is installed;
Step 3, when high-voltage breaker explosion chamber internal pressure changes, elastic ball volume changes thereupon, the position of indoor magnetic block also changes thereupon, drives the position of the outer magnet buoy of arc control device to change, thereby realizes the function of measuring arc control device internal pressure.
2. a kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball according to claim 1, it is characterized in that: the scale of reaction high-voltage breaker explosion chamber internal pressure is set on the arc control device outer wall moving up and down at outdoor magnet buoy, by this scale, shows intuitively the pressure of high-voltage breaker explosion chamber.
CN201410325356.2A 2014-07-09 2014-07-09 A kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball Active CN104064395B (en)

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CN201410325356.2A CN104064395B (en) 2014-07-09 2014-07-09 A kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball

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CN201410325356.2A CN104064395B (en) 2014-07-09 2014-07-09 A kind of high-voltage breaker explosion chamber pressure measurement method based on built-in elastic ball

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2384204Y (en) * 1999-06-11 2000-06-21 邝许芳 Magnetic induction float-type level meter
JP2000199724A (en) * 1998-12-29 2000-07-18 Togami Electric Mfg Co Ltd Pressure sensor for gas switch, gas switch provided therewith and method for detecting gas pressure in the gas switch
US7302854B2 (en) * 2004-05-18 2007-12-04 Jennings Technology Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
CN201653625U (en) * 2010-03-20 2010-11-24 河南平高电气股份有限公司 Testing device and system for on-load dynamic pressure in arc extinguish chamber of sulphur hexafluoride circuit breaker
CN103323146A (en) * 2012-03-21 2013-09-25 王尚清 Isentropic process pressure temperature field device driven by gas and application of device
CN103903903A (en) * 2014-03-14 2014-07-02 国家电网公司 Method for measuring pressure of arc extinguish chamber of high-voltage circuit breaker based on acoustic surface waves

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000199724A (en) * 1998-12-29 2000-07-18 Togami Electric Mfg Co Ltd Pressure sensor for gas switch, gas switch provided therewith and method for detecting gas pressure in the gas switch
CN2384204Y (en) * 1999-06-11 2000-06-21 邝许芳 Magnetic induction float-type level meter
US7302854B2 (en) * 2004-05-18 2007-12-04 Jennings Technology Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device
CN201653625U (en) * 2010-03-20 2010-11-24 河南平高电气股份有限公司 Testing device and system for on-load dynamic pressure in arc extinguish chamber of sulphur hexafluoride circuit breaker
CN103323146A (en) * 2012-03-21 2013-09-25 王尚清 Isentropic process pressure temperature field device driven by gas and application of device
CN103903903A (en) * 2014-03-14 2014-07-02 国家电网公司 Method for measuring pressure of arc extinguish chamber of high-voltage circuit breaker based on acoustic surface waves

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