CN201628740U - Flange mounting type voltage sensor - Google Patents
Flange mounting type voltage sensor Download PDFInfo
- Publication number
- CN201628740U CN201628740U CN2010201363828U CN201020136382U CN201628740U CN 201628740 U CN201628740 U CN 201628740U CN 2010201363828 U CN2010201363828 U CN 2010201363828U CN 201020136382 U CN201020136382 U CN 201020136382U CN 201628740 U CN201628740 U CN 201628740U
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- ring flange
- voltage sensor
- signal acquisition
- signal
- type voltage
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Abstract
The utility model relates to a flange mounting type voltage sensor, which aims to detect signals better. The voltage sensor comprises a main body portion and a fastening structure connected with the main body portion, and the fastening structure is detachably connected with a flange. The main body portion comprises a signal acquisition portion and a signal processing portion electrically connected with the signal acquisition portion, wherein the signal acquisition portion and the signal processing portion are respectively located on two sides of the fastening structure. The voltage sensor further comprises a signal acquisition expanding portion, and the signal acquisition expanding portion and the signal acquisition portion are in cascade connection through a cross-linking interpolation structure to be used for acquiring signals. By means of mounting the voltage sensor at the flange connected with a GIS switch at an interval, the voltage sensor can acquire voltage signals of the GIS switch on conditions that the inside of the GIS is electrified, thereby bringing convenience for providing accurate data for later-stage detection and maintenance. Besides, the voltage sensor can acquire extremely weak signals through the signal acquisition expanding portion, and is more accurate in detection.
Description
Technical field
The utility model relates to sensor technical field, particularly a kind of voltage sensor of installing on ring flange.
Background technology
Use GIS (Gas Insulated Substation, all-closed gas insulating combined electrical apparatus) as switchgear in the indoor transformer station of present domestic 35kV, the especially above electric pressure of 110kV mostly.Be subjected to the restriction of early stage design; when designing the interface section of anti-misoperation signal block; do not consider the Detection ﹠ Controling of on-the-spot GIS electriferous state mostly; though operation protection means such as microcomputer anti-error are arranged; but lacked the supervision of this presence states; to some operation of only under powering-off state, carrying out (for example, splice grafting ground disconnecting link), can't provide on-the-spot signal reference and to the protection of people, equipment.
In the prior art, the solution that producer transforms these GIS generally is that the live part in the switch is directly windowed or got groove, to imbed sensor.Though solved certain problem like this, this solution needs equipment set to operate under powering-off state, and complicated operating process.In addition, the electromagnetic field that this solution also will change in the GIS bus cavity distributes, and improved equipment has also increased the trouble spot of later maintenance, and the reliability of equipment set is affected.
In sum, pole line as the transformer station of the main force in transformer station, especially each big and medium-sized cities of the 110kV of main inlet wire mode in, never having preferably, mode solves this problem.
The utility model content
One of goal of the invention of the present utility model provides a kind of ring flange mount type voltage sensor, is intended to detection signal better.
This ring flange mount type voltage sensor comprises main part and the card holding structure that is connected with main part, and this card holding structure removably is connected with ring flange.
Preferably, above-mentioned card holding structure comprises substrate and the alar part that is extended to form to the direction of vertical substrate by the substrate two ends, and substrate is connected with main part, and both wing portions holds with ring flange and is connected.
Preferably, above-mentioned card holding structure also comprises at least two jackscrews, and above-mentioned alar part is provided with the perforation adaptive with jackscrew, and jackscrew passes perforation, and alar part is fixed on the ring flange.
Preferably, above-mentioned card holding structure also comprises the larynx hoop adaptive with ring flange, treat that above-mentioned voltage sensor is placed on the ring flange after, above-mentioned larynx hoop is fixed on substrate on the ring flange.
Preferably, aforementioned body portion comprises signal acquisition part and the signal processing part that is electrically connected with signal acquisition part, and wherein signal acquisition part and signal processing part are positioned at the both sides of substrate respectively.
Preferably, above-mentioned signal acquisition part comprises the metal level of induced signal, gathers the signal at ring flange place; Signal processing part comprises the amplifying circuit that is connected with signal acquisition part, and the signal that signal acquisition part is responded to amplifies.
Preferably, above-mentioned signal processing part also comprises lightning protection circuit, overvoltage crowbar, clamping protective circuit, and wherein lightning protection circuit, overvoltage crowbar, clamping protective circuit are connected in turn between signal acquisition part and the above-mentioned amplifying circuit.
Preferably, aforementioned body portion also comprises the signals collecting extension, and this signals collecting extension is electrically connected with above-mentioned signal acquisition part.
The utility model is by being installed in voltage sensor the interval flange connecting Pan Chu of GIS switch, make GIS inside under charged situation, this voltage sensor can collect the voltage signal of GIS switch, so that provide accurate data for later stage ground detects and keeps in repair.And this voltage sensor can collect atomic weak signal by the signals collecting extension, makes that detection is more accurate.
Description of drawings
Fig. 1 is the structural representation of ring flange mount type voltage sensor among first embodiment of the present utility model;
Fig. 2 is the structural representation of the signal acquisition part of ring flange mount type voltage sensor in the foregoing description;
Fig. 3 is the structured flowchart of the signal processing part of ring flange mount type voltage sensor in the foregoing description;
Fig. 4 is the structural representation of ring flange mount type voltage sensor among second embodiment of the present utility model.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, the ring flange mount type voltage sensor of the utility model first embodiment has been proposed.This voltage sensor comprises main part 10 and the card holding structure 11 that is connected with main part 10, and this card holding structure 11 removably is connected with ring flange 2.
The utility model is by being installed in voltage sensor the interval flange connecting Pan Chu of GIS switch, make GIS inside under charged situation, this voltage sensor can collect the voltage signal of GIS switch, so that provide accurate data for later stage ground detects and keeps in repair.
Above-mentioned card holding structure 11 comprises substrate 111 and the alar part 112 that is extended to form to the direction of vertical substrate 111 by substrate 111 two ends.This substrate 111 is connected with main part 10, and both wing portions 112 holds with ring flange 2 and is connected.Card holding structure 11 can have a variety of with the connected mode of ring flange 2.In an example, this card holding structure 11 comprises at least two jackscrews 113, then is provided with the perforation 1121 adaptive with jackscrew 113 on the alar part 112, and jackscrew 113 can pass perforation 1121, and by screwing jackscrew 113, just alar part 112 can be fixed on the ring flange 2.In another example, this card holding structure 11 comprises the larynx hoop 114 adaptive with ring flange 2.This larynx hoop 114 can treat that voltage sensor after placing on the ring flange 2, is fixed on substrate 111 on the ring flange 2.In another example, this card holding structure 11 had both comprised jackscrew 113, also comprised larynx hoop 114.Fixing about making this voltage sensor both can have been undertaken by jackscrew, also can be undertaken by larynx hoop 114 fixing up and down, thereby guaranteed more stably being installed on the ring flange 2 of voltage sensor.In sum, the installation of the voltage sensor in the present embodiment and dismounting are all very convenient, simple and practical.
Aforementioned body portion 10 comprises signal acquisition part 101 and the signal processing part 102 that is electrically connected with signal acquisition part 101.This signal acquisition part 101 and signal processing part 102 lay respectively at the both sides of substrate 111.Signal acquisition part 101 curved shapes, can so that this signal acquisition part 101 be close on the ring flange 2.Signal processing part 102 is positioned on the substrate 111, and signal processing part 102 is through substrate 111, and is connected with signal acquisition part 101.
With reference to Fig. 3, signal processing part 102 comprises amplifying circuit.This amplifying circuit comprises first order amplifying circuit 1021 and second level modulate circuit 1022, and first order amplifying circuit 1021 is connected with signal acquisition part 101, is used for the acquired signal that received signal collection portion 101 produces, and this acquired signal is amplified.Second level modulate circuit 1022 is connected with first order amplifying circuit 1021, be used for the acquired signal that first order amplifying circuit 1021 amplifies is carried out signal condition, and output on the relevant signal Processing main frame, finish the detection of on-the-spot live signal and the operation of control for main frame.
Above-mentioned signal processing part 102 also comprises holding circuit.This holding circuit comprises lightning protection circuit 1023, overvoltage crowbar 1024 and clamping protective circuit 1025.Lightning protection circuit 1023 and overvoltage crowbar 1024 are connected in turn between signal acquisition part 101 and the first order amplifying circuit 1021, are used for preventing breaking, send the grid switching operation of electricity or thunder and lightning and make acquired signal become unusual big and burn out the electronic component of circuit.Clamping protective circuit 1025 is connected between first order amplifying circuit 1021 and the second level modulate circuit 1022, and the clamp voltage that is used to protect previous circuit to produce is excessive and damage electronic component.
Consider the weak output signal of the compartment flange connecting Pan Chu of GIS switch, and make acquired signal accurate inadequately that the spy has proposed second embodiment of the present utility model on the basis of first embodiment, with reference to Fig. 4.The ring flange mount type voltage sensor of this embodiment also comprises signals collecting extension 12.This signals collecting extension 12 forms cascade with signal acquisition part 101 by crosslinked and slotting finger structure 121, can gather the feeble signal at ring flange 2 places better, and make acquired signal more accurate.
This signals collecting extension 12 can be provided with a plurality of as the case may be, also can carry out cascade by crosslinked and slotting finger structure 121 between the signals collecting extension 12 of increase.
Above-mentioned signals collecting extension 12 is consistent with the structure of the signal acquisition part 101 of the foregoing description, just repeats no more at this.And this signals collecting extension 12 is also curved, and is adaptive with the profile of ring flange 2, so just can so that signals collecting extension 12 be close on the ring flange 2.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. a ring flange mount type voltage sensor is characterized in that, comprises main part and the card holding structure that is connected with main part, and this card holding structure removably is connected with ring flange.
2. ring flange mount type voltage sensor as claimed in claim 1 is characterized in that, described card holding structure comprises substrate and the alar part that is extended to form to the direction of vertical substrate by the substrate two ends, and substrate is connected with main part, and both wing portions holds with ring flange and is connected.
3. ring flange mount type voltage sensor as claimed in claim 2 is characterized in that described card holding structure also comprises at least two jackscrews, and described alar part is provided with the perforation adaptive with jackscrew, and described jackscrew passes perforation, and alar part is fixed on the ring flange.
4. as claim 2 or 3 described ring flange mount type voltage sensors, it is characterized in that described card holding structure also comprises the larynx hoop adaptive with ring flange, treat that described voltage sensor is placed on the ring flange after, described larynx hoop is fixed on substrate on the ring flange.
5. ring flange mount type voltage sensor as claimed in claim 2, it is characterized in that, described main part comprises signal acquisition part and the signal processing part that is electrically connected with signal acquisition part, and wherein said signal acquisition part and signal processing part are positioned at the both sides of substrate respectively.
6. ring flange mount type voltage sensor as claimed in claim 5 is characterized in that described signal acquisition part comprises the metal level of induced signal, gathers the signal at ring flange place; Signal processing part comprises the amplifying circuit that is connected with signal acquisition part, and the signal that signal acquisition part is responded to amplifies.
7. ring flange mount type voltage sensor as claimed in claim 5; it is characterized in that; described signal processing part also comprises lightning protection circuit, overvoltage crowbar, clamping protective circuit, and wherein said lightning protection circuit, overvoltage crowbar, clamping protective circuit are connected in turn between signal acquisition part and the described amplifying circuit.
8. as each described ring flange mount type voltage sensor in the claim 5 to 7, it is characterized in that described main part also comprises the signals collecting extension, this signals collecting extension is electrically connected with described signal acquisition part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201363828U CN201628740U (en) | 2010-03-19 | 2010-03-19 | Flange mounting type voltage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201363828U CN201628740U (en) | 2010-03-19 | 2010-03-19 | Flange mounting type voltage sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201628740U true CN201628740U (en) | 2010-11-10 |
Family
ID=43060138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201363828U Expired - Fee Related CN201628740U (en) | 2010-03-19 | 2010-03-19 | Flange mounting type voltage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201628740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288789A (en) * | 2011-04-25 | 2011-12-21 | 辽宁省电力有限公司鞍山供电公司 | Mounting bracket for online monitoring sensor of GIS (geographic information system) partial discharge |
| CN109100545A (en) * | 2018-09-29 | 2018-12-28 | 广东米勒电气有限公司 | Plugging type voltage sensor and application method are expanded in a kind of side |
-
2010
- 2010-03-19 CN CN2010201363828U patent/CN201628740U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288789A (en) * | 2011-04-25 | 2011-12-21 | 辽宁省电力有限公司鞍山供电公司 | Mounting bracket for online monitoring sensor of GIS (geographic information system) partial discharge |
| CN109100545A (en) * | 2018-09-29 | 2018-12-28 | 广东米勒电气有限公司 | Plugging type voltage sensor and application method are expanded in a kind of side |
| CN109100545B (en) * | 2018-09-29 | 2023-09-26 | 广东米勒电气有限公司 | Side-expansion plugging type voltage sensor and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20160319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |