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CN106356246B - A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device - Google Patents

A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device Download PDF

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Publication number
CN106356246B
CN106356246B CN201610973793.4A CN201610973793A CN106356246B CN 106356246 B CN106356246 B CN 106356246B CN 201610973793 A CN201610973793 A CN 201610973793A CN 106356246 B CN106356246 B CN 106356246B
Authority
CN
China
Prior art keywords
interconnecting piece
arc extinguishing
fixing seat
vacuum degree
monitor device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610973793.4A
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Chinese (zh)
Other versions
CN106356246A (en
Inventor
韩润萍
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Individual
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Individual
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Publication date
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Priority to CN201610973793.4A priority Critical patent/CN106356246B/en
Publication of CN106356246A publication Critical patent/CN106356246A/en
Application granted granted Critical
Publication of CN106356246B publication Critical patent/CN106356246B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66Vacuum switches
    • H01H33/668Means for obtaining or monitoring the vacuum

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  • Gas-Insulated Switchgears (AREA)

Abstract

The invention discloses a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Devices, including fixing seat and pressure detecting assembly;Fixing seat is fixedly connected in arc extinguishing room housing, and fixing seat has tapped through hole, and the arc extinguishing room housing position opposite with the tapped through hole of fixing seat is the thinner wall section with a thickness of 0.1~1.0mm;Pressure detecting assembly includes package shell, pressure sensor and signal processing and communication module, and package shell is made of needle portion, interconnecting piece and operation portion;Needle portion has the pin hole axially penetrated through;Interconnecting piece is barrel, and the bottom of interconnecting piece has the through-hole being connected with the pin hole in needle portion, and the outer wall of interconnecting piece has external screw thread;Pressure sensor is fixed on the bottom of interconnecting piece;The outer wall of operation portion is polygonal structure;Signal processing is fixed on the inside of operation portion with communication module and is electrically connected with pressure sensor.The configuration of the present invention is simple, it is easy to use, the vacuum degree of arc-chutes can be monitored on-line.

Description

A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device
Technical field
The present invention relates to a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Devices.
Background technique
Vacuum circuit breaker is widely applied in senior middle school's low-pressure field.Since leakage causes vacuum level of vacuum arc-quenching chamber to drop The main reason for low or failure is accident in terms of current vacuum circuit breaker, and detect vacuum level of vacuum arc-quenching chamber or leakage at For one of the important content of most vacuum circuit breaker repairs based on condition of component.Actually, vacuum level of vacuum arc-quenching chamber is also to determine very One of the principal element of empty arc-chutes break performance, in order to realize that disjunction and the arc extinguishing of electric current, the pressure in vacuum extinction room are answered 1.33 × 10 should be not higher than-2Pa, the reduction of vacuum degree will directly affect the break performance of vacuum circuit breaker.Since vacuum switch passes through The use for spending many years, with during drop-out current contact material generate gas increase and vacuum interrupter itself is faint The reduction that leakage will cause vacuum degree in arc-chutes nor affects on the reality of switch but as long as not generating leakage under normal circumstances It cut-offs.It is final the result is that arc-chutes vacuum regardless of leakage point size and leakage speed but when vacuum interrupter generates leakage Environment will be destroyed completely, is not taken timely measure such as and is replaced, once generating switch division movement will cause seriously to ask Topic and accident, it is therefore desirable to a method of simple effective and controllable cost energy real time on-line monitoring vacuum degree and judgement leakage And realization device.
In Vacuity of Vacuum Circuit Breakers monitoring technical field, off-line monitoring technology is widely used.Off-line monitoring needs to break Electricity detects system, therefore certain influence can be generated on power consumer;After power-off, vacuum interrupter indoor design condition and operation State is inconsistent, to influence judgment accuracy.How to realize that on-line monitoring is always a problem, because of the life of vacuum interrupter Produce need integrally at a high temperature of 800 degree or sos progress material welded seal and vacuumize, therefore generally built-in sensor without Method bears such environment, thus can not reflect its internal vacuum degree by being previously implanted sensor progress gas pressure measurement Or leakage situation.
Summary of the invention
That the purpose of the present invention is to provide a kind of structures is simple, vacuum circuit-breaker arc extinguishing chamber vacuum degree easy to use is online Monitoring device, can be with the vacuum degree of on-line checking arc-chutes.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device, which is characterized in that it includes fixing seat and pressure Detection components;
The fixing seat is fixedly connected on the side wall or upper cover or bottom plate of arc extinguishing room housing, and the fixing seat has screw thread Through-hole, the arc extinguishing room housing position opposite with the tapped through hole of the fixing seat is thinner wall section;
The pressure detecting assembly includes package shell, pressure sensor and signal processing and communication module, the component Shell is made of needle portion, interconnecting piece and operation portion;The needle portion has the pin hole axially penetrated through;The interconnecting piece is barrel, The bottom of the interconnecting piece has the through-hole being connected with the pin hole in the needle portion, and the outer wall of the interconnecting piece has external screw thread, The pressure sensor is fixed on the bottom of the interconnecting piece;The operation portion is barrel, and the bottom of the operation portion has The bottom through-hole being connected with the interconnecting piece, the outer wall of the operation portion are polygonal structure;The signal processing with communicate Module is fixed on the inside of the operation portion and is electrically connected with the pressure sensor.
The needle portion is cylinder.
The needle portion is conic tube.
Be arranged with a sealing ring on the interconnecting piece of the package shell, the sealing ring be located at the top of the fixing seat with Between the bottom of the operation portion of the package shell.
The interconnecting piece outer wall of the package shell has an axial elongated slot.
The pressure sensor is fixed on the bottom of the interconnecting piece by epoxy resin or cure silicone rubber.
The pressure sensor is fixed on the bottom of the interconnecting piece by sealing ring.
The thinner wall section with a thickness of 0.1~1.0mm.
The beneficial effect of the technical scheme provided by the present invention is that:
Vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device of the present invention, including fixing seat and pressure detecting assembly;Institute It states fixing seat to be fixedly connected on the side wall or upper cover or bottom plate of arc extinguishing room housing, the fixing seat has tapped through hole, described The arc extinguishing room housing position opposite with the tapped through hole of the fixing seat is with a thickness of thinner wall section;The pressure detecting assembly includes Package shell, pressure sensor, signal processing and communication module, the package shell are made of needle portion, interconnecting piece and operation portion; The needle portion has the pin hole axially penetrated through;The interconnecting piece is barrel, and the bottom of the interconnecting piece has and the needle portion The through-hole that is connected of pin hole, the outer wall of the interconnecting piece has external screw thread, and the pressure sensor passes through sealing material sealing It is fixed on the bottom of the interconnecting piece;The operation portion is barrel, and the bottom of the operation portion has and the interconnecting piece phase The bottom through-hole of connection, the outer wall of the operation portion are polygonal structure;The signal processing and communication module are fixed on described The inside of operation portion is simultaneously electrically connected with the pressure sensor.In use, the interconnecting piece of the pressure detecting assembly with it is described solid Reservation bolt makes the needle portion of package shell pierce through the thinner wall section of the arc extinguishing room housing, makes arc extinguishing by runner assembly shell Room is connected with the through-hole of the bottom of the through-hole in needle portion and interconnecting piece, and the pressure sensor of such pressure detecting assembly can be direct Arc-chutes are contacted, pressure sensor is allowed directly to measure gas pressure in vacuum extinction room, realize that on-line monitoring vacuum is gone out The indoor gas pressure of arc simultaneously judges whether there is vacuum leak according to gas pressure situation, then carries out if there is vacuum leak Leakage alarm.It can be seen that vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device structure of the present invention is simple, it is easy to use, It may be implemented to judge whether there is vacuum leak to the on-line monitoring of vacuum degree in vacuum extinction room and according to gas pressure situation And issue leakage alarm signal.
Detailed description of the invention
Fig. 1 is vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device decomposition texture schematic diagram of the present invention;
Fig. 2 is vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device using state structure diagram of the present invention;
Fig. 3 is the overlooking structure diagram of Fig. 2.
Appended drawing reference:1 --- fixing seat;2 --- pressure detecting assembly;3 --- arc extinguishing room housing;4 --- tapped through hole; 5 --- thinner wall section;6 --- pressure sensor;7 --- signal processing and communication module;8 --- needle portion;9 --- interconnecting piece; 10 --- operation portion;11 --- pin hole;12 --- through-hole;13 --- bottom through-hole;15 --- sealing ring;16 --- it is axial long Slot.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device of the present invention, it includes fixing Seat 1 and pressure detecting assembly 2;
The fixing seat 1 is fixedly connected on the side wall or upper cover or bottom plate of arc extinguishing room housing 3, and the fixing seat 1 has Tapped through hole 4, the arc extinguishing room housing 3 position opposite with the tapped through hole of the fixing seat is with a thickness of 0.1~1.0mm Thinner wall section 5;
The pressure detecting assembly 2 includes package shell, pressure sensor 6 and signal processing and communication module 7 (at signal Reason is routine techniques with communication module), the package shell is made of needle portion 8, interconnecting piece 9 and operation portion 10;The needle portion 8 has There is the pin hole 11 axially penetrated through;The interconnecting piece 9 is barrel, and the bottom of the interconnecting piece 9 has the pin hole with the needle portion The outer wall of 11 through-holes 12 being connected, the interconnecting piece 9 has external screw thread, and the pressure sensor 6 is fixed on the interconnecting piece 9 Bottom;The operation portion 10 is barrel, and the bottom of the operation portion 10 has the bottom being connected with the interconnecting piece logical Hole 13, the outer wall of the operation portion 10 are polygonal structure;The signal processing and communication module 7 are fixed on the operation portion Inside is simultaneously electrically connected with the pressure sensor 6.
The needle portion 8 is cylinder.
The needle portion 8 is conic tube.
A sealing ring 15 is arranged on the interconnecting piece 9 of the package shell, the sealing ring 15 is located at the fixing seat 1 Between the bottom of the operation portion 10 of top and the package shell.
The pressure sensor 6 is fixed on the bottom of the interconnecting piece 9 by epoxy resin or cure silicone rubber.
The pressure sensor 6 is fixed on the bottom of the interconnecting piece 9 by sealing ring.
There is 9 outer wall of interconnecting piece of the package shell an axial elongated slot 16 to be used for when mounting assembly in export fixing seat Air.
If the bottom plate of arc extinguishing room housing 3 is thicker, the fixing seat in the present invention can be saved, one is directly processed on bottom plate A screw-threaded counterbore, the bottom of screw-threaded counterbore are then thinner wall section, and pressure detecting assembly is then screwed onto screw-threaded counterbore.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device, which is characterized in that it includes fixing seat and pressure inspection Survey component;
The fixing seat is fixedly connected on the side wall or upper cover or bottom plate of arc extinguishing room housing, and the fixing seat is logical with screw thread Hole, the arc extinguishing room housing position opposite with the tapped through hole of the fixing seat is thinner wall section;
The pressure detecting assembly includes package shell, pressure sensor and signal processing and communication module, the package shell It is made of needle portion, interconnecting piece and operation portion;The needle portion has the pin hole axially penetrated through;The interconnecting piece is barrel, described The bottom of interconnecting piece has the through-hole being connected with the pin hole in the needle portion, and the outer wall of the interconnecting piece has external screw thread, described Pressure sensor is fixed on the bottom of the interconnecting piece;The operation portion is barrel, and the bottom of the operation portion has and institute The bottom through-hole that interconnecting piece is connected is stated, the outer wall of the operation portion is polygonal structure;The signal processing and communication module It is fixed on the inside of the operation portion and is electrically connected with the pressure sensor.
2. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1, which is characterized in that the needle Portion is cylinder.
3. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1, which is characterized in that the needle Portion is conic tube.
4. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1, which is characterized in that described group Be arranged with a sealing ring on the interconnecting piece of part shell, the sealing ring be located at the fixing seat top and the package shell Between the bottom of operation portion.
5. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1, which is characterized in that the pressure Force snesor is fixed on the bottom of the interconnecting piece by epoxy resin or cure silicone rubber.
6. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1, which is characterized in that the pressure Force snesor is fixed on the bottom of the interconnecting piece by sealing ring.
7. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 1 or 2 or 3 or 4 or 5 or 6, It is characterized in that, the interconnecting piece outer wall of the package shell has an axial elongated slot.
8. vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device according to claim 7, which is characterized in that described thin Wall portion with a thickness of 0.1~1.0mm.
CN201610973793.4A 2016-11-03 2016-11-03 A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device Expired - Fee Related CN106356246B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610973793.4A CN106356246B (en) 2016-11-03 2016-11-03 A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610973793.4A CN106356246B (en) 2016-11-03 2016-11-03 A kind of vacuum circuit-breaker arc extinguishing chamber vacuum degree on-Line Monitor Device

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CN106356246A CN106356246A (en) 2017-01-25
CN106356246B true CN106356246B (en) 2018-11-16

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CN107170635A (en) * 2017-07-04 2017-09-15 合肥东玖电气有限公司 A kind of intelligent arc-control device of breaker
CN108320991A (en) * 2018-01-06 2018-07-24 北海银河开关设备有限公司 A kind of electric locomotive earthing switch pole
CN108172447A (en) * 2018-01-06 2018-06-15 北海银河开关设备有限公司 A kind of electric locomotive earthing switch
CN108320990A (en) * 2018-01-06 2018-07-24 北海银河开关设备有限公司 A kind of electric locomotive circuit breaker polar
CN108172453B (en) * 2018-01-06 2023-12-15 北海银河开关设备有限公司 Isolating switch of electrified locomotive
CN108172454A (en) * 2018-01-06 2018-06-15 北海银河开关设备有限公司 Electric locomotive high-voltage circuitbreaker
CN108172455B (en) * 2018-01-06 2023-12-15 北海银河开关设备有限公司 Isolating switch pole of electrified locomotive
CN109751219A (en) * 2018-12-30 2019-05-14 珠海市广源信科技有限公司 A kind of control includes the vacuum system of vacuum generator
CN110488184B (en) * 2019-09-25 2024-04-19 辽宁工程技术大学 Online monitoring device and method for vacuum degree of level measurement type vacuum circuit breaker
CN112786350B (en) * 2019-11-01 2024-10-18 厦门宏发开关设备有限公司 Vacuum circuit breaker with vacuum degree detection function and detection method
CN113739988A (en) * 2021-09-18 2021-12-03 北京镭海激光科技有限公司 Carbon dioxide laser tube air pressure monitoring, alarming and feedback device
CN114724886B (en) * 2021-12-14 2022-11-15 博时达集团有限公司 Permanent magnet outdoor vacuum circuit breaker
CN116313632B (en) * 2023-04-07 2023-11-17 南京南电继保自动化有限公司 Breaker vacuum degree on-line monitoring device

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JP4686555B2 (en) * 2008-01-09 2011-05-25 株式会社日立製作所 Vacuum switchgear
CN102254736A (en) * 2011-05-30 2011-11-23 山东鲁亿通智能电气股份有限公司 Method for online monitoring vacuum degree of arc extinguishing chamber of vacuum switch of intelligent switch cabinet
CN102412089B (en) * 2011-07-29 2014-04-02 河北工业大学 Device for measuring vacuum degree of vacuum arc extinguish chamber with built-in cold cathode gauge
CN202166436U (en) * 2011-08-10 2012-03-14 平顶山市天勤仪表有限责任公司 Telemetering monitor for micro water content in SF6 gas
CN106024504A (en) * 2016-06-15 2016-10-12 台州西普电气有限公司 Vacuum circuit breaker with vacuum monitoring device

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Granted publication date: 20181116

Termination date: 20201103