CN201765085U - On-line vacuum monitoring device for vacuum switch of 27.5kV - Google Patents
On-line vacuum monitoring device for vacuum switch of 27.5kV Download PDFInfo
- Publication number
- CN201765085U CN201765085U CN2010202459071U CN201020245907U CN201765085U CN 201765085 U CN201765085 U CN 201765085U CN 2010202459071 U CN2010202459071 U CN 2010202459071U CN 201020245907 U CN201020245907 U CN 201020245907U CN 201765085 U CN201765085 U CN 201765085U
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- vacuum
- circuit
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- monitoring device
- monitor
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Abstract
The utility model discloses an on-line vacuum monitoring device for a vacuum switch of 27.5kV, comprising an ion column and an on-line vacuum monitor, wherein the ion column comprises an insulated shell, a signal access hole, a diode of 1A/115kV, a resistor of 15megohms/1000W, a sampling resistor, an isolating resistor and a voltage stabilizing diode, wherein the insulated shell consists of an upper support column, a middle column and a base; the signal access hole is arranged in the insulated shell; the diode of 1A/115kV, the resistor of 15megohms/1000W, the sampling resistor and the isolating resistor are fastened in the insulated shell in sequence and connected with the signal access hole in series; and the voltage stabilizing diode is connected with the sampling resistor in parallel. The on-line vacuum monitor is also internally and electrically connected with a signal conversion circuit of a single board computer, and the circuit is connected with an external computer. The on-line vacuum monitoring device can monitor the value of the air pressure in a vacuum switch tube; and simultaneously, workers can know the change situation of the vacuum pressure in the vacuum switch tube clearly only by a computer in a monitoring room of a transformer substation, therefore, the on-line vacuum monitoring device is more convenient for the automatic management of the transformer substation of 27.5kV in an electrified railway.
Description
Technical field
The utility model relates to a kind of monitoring device, relates in particular to a kind of 27.5KV vacuum switch at the line vacuum monitoring device.
Background technology
Electric railway transformer station uses the 27.5KV vacuum switch because of not having at the line vacuum monitoring device, in the transmission of electricity use, the vacuum pressure situation of change can't at-once monitor in its core component vacuum switch tube (also the claiming vacuum interrupter) pipe, residual gas pressure rising (promptly producing gas leak phenomenon) in the Chang Yinguan, cause accident of power supply, and in the work, people carry out work in that supervisory control of substation is indoor, so just be difficult for the instant vacuum pressure situation of change of grasping in the vacuum switch tube pipe more, bring very big inconvenience to people's work.
The utility model content
The purpose of this utility model is to provide a kind of 27.5KV vacuum switch at the line vacuum monitoring device, can make gas pressure intensity numerical value in the 27.5KV vacuum switch field digital display tube, can observe gas pressure intensity numerical value in the vacuum switch tube pipe by computer in that supervisory control of substation is indoor simultaneously.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of 27.5KV vacuum switch is at the line vacuum monitoring device, comprise ion column and at the line vacuum monitor, described at the line vacuum monitor by the signal mode number conversion, decoding, driving circuit,＜, the symbol display circuit, radix, the digital display circuit of subnumber, the vacuum level display circuit, warning circuit constitutes, described ion column comprises by the upper support post, the insulation crust that center pillar and pedestal are formed, signal on the insulation crust inserts the hole, is fastened on successively in the insulation crust and with signal and inserts the 1A/115KV diode of connecting in the hole, 15M Ω/1000W resistance, sample resistance and isolation resistance and the voltage stabilizing diode in parallel with sample resistance; Described signal mode number conversion at the line vacuum monitor, decoding, driving circuit also are powered with a single card microcomputer Computer signal change-over circuit, and these single card microcomputer 485 Computer signals change circuit and link to each other with an outer computer by data line.
Further: described vacuum monitor comprises that also whether normally one check Presentation Function test circuit, and this test circuit and signal mode number conversion, decoding, driving circuit electrically connect.
Further: described vacuum level display circuit is powered with one can show green, orange and red tri coloured lantern.
Compared with prior art, advantage of the present utility model is: can monitor gas pressure intensity numerical value in the vacuum switch tube pipe at any time, when gas pressure intensity rises to predetermined value in the vacuum switching tube, can send alerting signal, make the intellectuality of 27.5KV vacuum switch, simultaneously, the staff is convenient to electric railway 27.5KV automation of transformation substations management more in the indoor vacuum pressure situation of change that just can know by computer in the grasp vacuum switch tube pipe of supervisory control of substation.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the structural representation of the utility model ion column;
Fig. 3 is physical cabling figure of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment: referring to Fig. 1, Fig. 2 and Fig. 3, the utility model comprises ion column 1 and at line vacuum monitor 2, described at line vacuum monitor 2 by the signal mode number conversion, decoding, driving circuit 21,＜, symbol display circuit 22, radix, the digital display circuit 23 of subnumber, vacuum level display circuit 24, warning circuit 25 constitutes, described vacuum level display circuit 24 is powered with one and can shows green, three orange and red look display lamps, described ion column 1 comprises by upper support post 17, the insulation crust that center pillar 18 and pedestal 19 are formed, signal on the insulation crust inserts hole 11, is fastened on successively in the insulation crust and with signal and inserts the 1A/115KV diode of connecting in hole 11 12,15M Ω/1000W resistance 13, sample resistance 14 and isolation resistance 16 and the voltage stabilizing diode 15 in parallel with sample resistance 14; Described signal mode number conversion at line vacuum monitor 2, decoding, driving circuit 21 also are powered with a single card microcomputer Computer signal change-over circuit 26, these single card microcomputer 485 Computer signals change circuit 26 and link to each other with an outer computer 27 by data line, this computing machine 27 be equipped with at line vacuum monitor 2 corresponding computer softwares for display, described vacuum monitor 2 comprises that also whether normally one check Presentation Function test circuit 28, and this test circuit 28 electrically connects with signal mode number conversion, decoding, driving circuit 21.
When physical cabling, the signal incoming end of ion column 1 links to each other with the anode of vacuum transducer 4, other end ground connection, there is interchange 27.5KV voltage over the ground in the quiet end current-carrying plate of vacuum switch tube, lay a pair of permanent magnet 5 in both sides, place, the flat chamber of vacuum transducer, gas molecule converted ion flow to through ion column 1 inflow place end in vacuum transducer 4 will be managed under phase-to-ground voltage and permanent magnetic field effect, take a sample by sample resistance, again through＜, symbol display circuit 22, radix, digital display circuit 23 field digitals of subnumber show gas pressure intensity numerical value in the vacuum switch tube, simultaneously, vacuum level display circuit 24 shows vacuum level by tri coloured lantern: when showing＜5 * 10
-3Pa, 5 * 10
-3Pa, 1 * 10
-2During pa, it is green that the vacuum level pilot lamp shows, expression safe vacuum grade, and the user can relievedly use; When numeral shows 5 * 10
-2During pa, it is critical vacuum level that the vacuum level pilot lamp shows orange, and gas pressure intensity has risen to critical conditions in this vacuum switch tube pipe, can also use, and the user has the enough time to prepare to change vacuum switch tube; In vacuum switching tube pipe gas pressure intensity rise to 〉=1 * 10
-1During pa, the vacuum level pilot lamp is red, represent in the hole, alarm relay adhesive, hummer in the warning circuit 25 sends long-time chimes of doom at this moment, drives the computer softwares for display through single card microcomputer Computer signal change-over circuit 26 when showing at the scene and shows vacuum tightnesss, vacuum level by computing machine 3 Chinese: when vacuum tightness demonstration＜5 * 10
-3Pa, 5 * 10
-3Pa, 1 * 10
-2During pa, Chinese shows the safe vacuum grade; Gas pressure intensity rises to 5 * 10 in vacuum switching tube pipe
-2During pa, the hint in blue words warning window can appear in computing machine 3 firefly screens, and sends the discontinuity chimes of doom, and gas pressure intensity please prepare to change vacuum switch tube to facing the state of confering in the Chinese prompt user vacuum switch tube pipe; When vacuum switching tube pipe gas pressure intensity rise to 〉=1 * 10
-1During pa, the red alarm window appears in computing machine 3 fireflies screen, the danger of Chinese prompt user vacuum switch tube is stopped using, and there is long to report to the police, check Presentation Function whether the switch in the normal test circuit 28 be installed on line vacuum monitor 2 panel power switch right sides, under artificially with switch connection situation, artificially regulate variable resistor again, regulate the voltage signal of back acquisition and pass to analog to digital conversion by switch, decoding, driving circuit 21, drive 22 by 21 again, 23,24,25, No. 26 circuit, along with variable resistor is slowly regulated, on-the-spot＜, symbol and numeral demonstration, the consistent variation taken place and illustrates that Presentation Function is normal in vacuum level and computer firefly screen simultaneously.
Claims (3)
1. a 27.5KV vacuum switch is at the line vacuum monitoring device, comprise ion column and at the line vacuum monitor, described at the line vacuum monitor by the signal mode number conversion, decoding, driving circuit,＜, the symbol display circuit, radix, the digital display circuit of subnumber, the vacuum level display circuit, warning circuit constitutes, it is characterized in that: described ion column comprises by the upper support post, the insulation crust that center pillar and pedestal are formed, signal on the insulation crust inserts the hole, is fastened on successively in the insulation crust and with signal and inserts the 1A/115KV diode of connecting in the hole, 15M Ω/1000W resistance, sample resistance and isolation resistance and the voltage stabilizing diode in parallel with sample resistance; Described signal mode number conversion at the line vacuum monitor, decoding, driving circuit also are powered with a single card microcomputer Computer signal change-over circuit, and these single card microcomputer 485 Computer signals change circuit and link to each other with an outer computer by data line.
2. a kind of 27.5KV vacuum switch according to claim 1 is at the line vacuum monitoring device, it is characterized in that: described vacuum monitor comprises that also whether normally one check Presentation Function test circuit, and this test circuit and signal mode number conversion, decoding, driving circuit electrically connect.
3. a kind of 27.5KV vacuum switch according to claim 1 is characterized in that at the line vacuum monitoring device: described vacuum level display circuit is powered with one can show green, orange and red tri coloured lantern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202459071U CN201765085U (en) | 2010-07-02 | 2010-07-02 | On-line vacuum monitoring device for vacuum switch of 27.5kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202459071U CN201765085U (en) | 2010-07-02 | 2010-07-02 | On-line vacuum monitoring device for vacuum switch of 27.5kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201765085U true CN201765085U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202459071U Expired - Fee Related CN201765085U (en) | 2010-07-02 | 2010-07-02 | On-line vacuum monitoring device for vacuum switch of 27.5kV |
Country Status (1)
| Country | Link |
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| CN (1) | CN201765085U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324337A (en) * | 2011-08-05 | 2012-01-18 | 安徽鑫龙电器股份有限公司 | Circuit breaker with vacuum degree online monitoring function and monitoring method for circuit breaker |
| CN102800523A (en) * | 2012-08-08 | 2012-11-28 | 成都凯赛尔电子有限公司 | Solid-sealed polar pole realizing on-line monitoring of vacuum degree |
| CN106153246A (en) * | 2015-05-15 | 2016-11-23 | 株式会社爱发科 | Pirani ga(u)ge |
| CN108387341A (en) * | 2018-04-12 | 2018-08-10 | 昆山光微电子有限公司 | Micro vacuum meter and its working method |
-
2010
- 2010-07-02 CN CN2010202459071U patent/CN201765085U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324337A (en) * | 2011-08-05 | 2012-01-18 | 安徽鑫龙电器股份有限公司 | Circuit breaker with vacuum degree online monitoring function and monitoring method for circuit breaker |
| CN102800523A (en) * | 2012-08-08 | 2012-11-28 | 成都凯赛尔电子有限公司 | Solid-sealed polar pole realizing on-line monitoring of vacuum degree |
| CN102800523B (en) * | 2012-08-08 | 2015-01-28 | 成都凯赛尔电子有限公司 | Solid-sealed polar pole realizing on-line monitoring of vacuum degree |
| CN106153246A (en) * | 2015-05-15 | 2016-11-23 | 株式会社爱发科 | Pirani ga(u)ge |
| CN106153246B (en) * | 2015-05-15 | 2019-08-30 | 株式会社爱发科 | Pirani ga(u)ge |
| CN108387341A (en) * | 2018-04-12 | 2018-08-10 | 昆山光微电子有限公司 | Micro vacuum meter and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: CHENGDU XUSHUN ELECTRIC CO., LTD. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: CHENGDU XUSHUN ELECTRIC CO., LTD. Document name: Notification of Termination of Patent Right |
|
| 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: 20110316 Termination date: 20170702 |