CN204203195U - A kind of on-line monitoring probe connecting SF6 isolating switch - Google Patents
A kind of on-line monitoring probe connecting SF6 isolating switch Download PDFInfo
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- CN204203195U CN204203195U CN201420575738.6U CN201420575738U CN204203195U CN 204203195 U CN204203195 U CN 204203195U CN 201420575738 U CN201420575738 U CN 201420575738U CN 204203195 U CN204203195 U CN 204203195U
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Abstract
The utility model discloses a kind of on-line monitoring probe connecting SF6 isolating switch, comprise monitoring joint and geometrical clamp, monitoring joint comprises interface of giving vent to anger, thimble, adapter body, monitoring probe, the 3rd cavity that adapter body inside forms the first cavity, the second cavity and is connected with rain glass interface, second cavity is communicated with the first cavity and the 3rd cavity respectively, interface of giving vent to anger screws in the first cavity, when firmly by tight monitoring joint, the barometric reverse checkvalve of thimble jacking, monitoring probe is inserted in rain glass interface; Geometrical clamp comprises U-shaped folder and adjustable column, and two head part of U-shaped folder do not establish fastener, and the root of U-shaped folder is provided with position, hole; Monitoring probe is connected with extraction cable, and the other end of drawing cable connects with external acquisition analysis system.This apparatus structure is simple, without the need to using bolt, improves the sealing of gas; Small and exquisite, saving cost, uses light, only needs a people just can complete installation easily, reduce workload, reduce maintenance cost.
Description
Technical field
The utility model relates to the field of Regulation maintenance equipment, especially relates to a kind of on-line monitoring probe connecting SF6 isolating switch.
Background technology
SF6 gas is with the insulation of its excellence and arc extinction performance, and in normal conditions, be ideal insulation and arc-extinguishing medium, SF6 gas is the insulating medium that current electric system is the most generally applied.Along with rapid economic development, China's electric system capacity sharply expands, and SF6 gas has almost become the unique insulation and arc-extinguishing medium that use in middle pressure, high pressure and ultra-high pressure switch.Primary cut-out is the large scale electrical power unit being only second to generator and transformer, and the operational reliability of himself is directly connected to the safety and stablization of electric system, and the insulating medium of primary cut-out adopts SF6 gas.The accidents such as many great device damage, power failure be all much due to the operation of primary cut-out not normal caused by.Due to a large amount of uses of SF6 gas, its maintenance work becomes important and frequent, and, the proportion of SF6 gas is very large, easily be deposited on the bottom of air, the personnel that easily cause suffocate because of anoxic, simultaneously, the leakage of SF6 causes density to decline or in gas, moisture exceeds standard, and high voltage electric equipment will exist potential safety hazard and even cause accident to occur.
In the electric system of electrical network, fill SF6 gas in high-voltage switch gear owing to the factor such as to leak, rotten, need often to detect, supplement.The maintenance of SF6 gas-monitoring is continued to use the prophylactic repair system of " expire and must examine ", during detection, need SF6 isolating switch to stop transport, and to install additional or the mode that connects traditional dew or dew point hygrometer carries out periodic measurement, the method can not operate by equipment on-line, detects poor real; Also by adopting the calibration equipment comprising the comparatively complexity that precise electronic mass flowmeter, solenoid valve, spinner-type flowmeter, rapid-acting coupling etc. form, although on-line operation can be realized, the high and complicated operation of cost; Also some genuine configuration joint fill get joint time, consult Fig. 1, need the lid on rain glass interface 1 to pull down, then will fill and get joint and be connected with rain glass interface and tighten fixing by three or some screws 3, operating process is loaded down with trivial details, wastes time and energy, and seriously reduces work efficiency.
Utility model content
The purpose of this utility model overcomes above-mentioned the deficiencies in the prior art, there is provided a kind of easy to operate, labour intensity is low, when not destroying breaker body and normally running, detect the on-line monitoring probe for connecting SF6 isolating switch of the pressure, micro-water number, purity, decomposition product etc. of SF6 gas simultaneously.
The utility model is achieved through the following technical solutions: a kind of on-line monitoring probe connecting SF6 isolating switch, for being connected with the rain glass interface of isolating switch, comprise monitoring joint and geometrical clamp, monitoring joint comprises interface of giving vent to anger, thimble, there is the adapter body of sealing property, be arranged on the monitoring probe on thimble, described adapter body inside forms the first cavity, second cavity and the 3rd cavity, second cavity is communicated with the first cavity and the 3rd cavity respectively, 3rd cavity is connected with rain glass interface, interface of giving vent to anger screws in the first cavity, when firmly by tight monitoring joint, the barometric reverse checkvalve of thimble jacking, monitoring probe is inserted in rain glass interface, geometrical clamp comprises U-shaped folder and adjustable column, and two head part of U-shaped folder are not provided with the fastener for clamping rain glass interface, and the root of U-shaped folder is provided with the position, hole for screwing with adjustable column screw thread, described monitoring probe is connected with extraction cable, and the other end of drawing cable connects with external acquisition analysis system.
Second cavity is communicated with the first cavity and the 3rd cavity, for the directed drainage of gas; The setting of geometrical clamp, can make monitoring jiont treatment convenient, and fastener can ensure the fixing of geometrical clamp and rain glass interface, and adjustable column and U-shaped folder screw thread screw, can in use carry out screwing and make with rain glass interface fixing more firmly, ensure air tight; Monitoring probe is arranged on thimble, and when by tight monitoring joint, monitoring probe can be inserted in rain glass interface, can carry out the on-line checkingi of real-time.
Described monitoring joint is public monitoring joint, and its thimble is public thimble, and public thimble is installed in the second cavity, and described adapter body comprises joint pedestal, and described 3rd cavity projection is outside at joint pedestal.If rain glass interface is matrix, then select public monitoring joint to dock with it, three cavity of projection in joint pedestal outside can dock with rain glass interface closely and good airproof performance.
Described monitoring joint is female monitoring joint, its thimble is female thimble, and female thimble is installed in the 3rd cavity, is provided with the O type circle for sealing rain glass interface in the 3rd cavity, described adapter body comprises joint pedestal, and described 3rd cavity depression is located at joint base bottom.If rain glass interface is convex, then select female monitoring joint to dock with it, O type circle can make female gas-charging connection be connected with rain glass interface more closely and good airproof performance.
Described public thimble inside is provided with passage, and an end of public thimble is provided with flat recess, and described passage communicates with flat recess, and the other end of through public thimble.Passage is used for drainage gas, and flat recess can lock the reverse checkvalve of rain glass interface.
During site test operation, the lid on rain glass interface is pulled down, the structure of checkout facility gas gauge, if rain glass interface is matrix, then select public monitoring joint to dock with it, if rain glass interface is convex, then select female monitoring joint to dock with it.Firmly by tightly monitoring joint, make the reverse checkvalve in thimble jacking rain glass wherein, when hearing the sound of giving vent to anger, namely monitoring joint and rain glass interface are fixed together by available geometrical clamp, rotate adjustable column and are locked on rain glass interface by U-shaped folder.So far, whole monitoring jiont treatment completes, and can start instrument and test.Monitoring probe is inserted in rain glass interface, can monitor the SF6 gas of mobility, to the information that the pressure of SF6 gas, micro-water number, purity, decomposition product sense, by drawing cable, Signal transmissions to external acquisition analysis system is carried out data analysis, system carries out analysis contrast according to information signal, trend anticipation, output signal notifies that relevant persons in charge carries out overhauling or supplementing.
The utility model has the advantages that: this apparatus structure is simple, without the need to using bolt, saving the installation process that prior art is loaded down with trivial details, improve the sealing of gas; This device is compared with existing gas-charging connection, smaller and more exquisite, saves cost, and uses light, only need a people just can complete installation easily, reduces work operations amount, reduces maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that prior art gas-charging connection and rain glass interface are fixed;
Fig. 2 is that the utility model embodiment is given vent to anger the structural representation of interface;
Fig. 3 is the structural representation of the utility model embodiment 1 public affairs monitoring joint;
Fig. 4 is the front view of the utility model embodiment 1 public affairs monitoring joint;
Fig. 5 is that the A-A of Fig. 4 is to cut-open view;
Fig. 6 is the structural representation of the public thimble of the utility model embodiment 1;
Fig. 7 is the longitudinal sectional view of the public thimble of the utility model embodiment 1;
Fig. 8 is the structural representation of the utility model embodiment 2 mother monitoring joint;
Fig. 9 is the front view of the utility model embodiment 2 mother monitoring joint;
Figure 10 is that the B-B of Fig. 9 is to cut-open view;
Figure 11 is the structural representation of the female thimble of the utility model embodiment 2;
Figure 12 is the longitudinal sectional view of the female thimble of the utility model embodiment 2;
Figure 13 is the utility model embodiment principle of work frame diagram;
Figure 14 is the utility model embodiment working state structure schematic diagram.
Reference numeral implication in figure: 1, rain glass interface, 2, monitoring joint, 3, screw, 4, interface of giving vent to anger, 5, adapter body, 6, monitoring probe, the 7, first cavity, the 8, second cavity, 9, the 3rd cavity, 10, U-shaped folder, 11, adjustable column, 12, fastener, 13, cable is drawn, 14, external acquisition analysis system, 15, public monitoring joint, 16, public thimble, 17, joint pedestal, 18, flat recess, 19, female monitoring joint, 20, female thimble, 21, O type circle.
Embodiment
Below in conjunction with the drawings and specific embodiments, content of the present utility model is described in further details.
Embodiment 1
Consult Fig. 2 to Fig. 7, and Figure 13, Figure 14, a kind of on-line monitoring probe connecting SF6 isolating switch, for being connected with the rain glass interface 1 of isolating switch, comprise monitoring joint 2 and geometrical clamp, monitoring joint 2 comprises interface 4 of giving vent to anger, thimble, there is the adapter body 5 of sealing property, be arranged on the monitoring probe 6 on thimble, adapter body 5 inside forms the first cavity 7, second cavity 8 and the 3rd cavity 9, second cavity 8 is communicated with the first cavity 7 and the 3rd cavity 9 respectively, 3rd cavity 9 is connected with rain glass interface 1, interface 4 of giving vent to anger screws in the first cavity 7, when firmly by tight monitoring joint 2, the barometric reverse checkvalve of thimble jacking, monitoring probe 6 is inserted in rain glass interface 1, geometrical clamp comprises U-shaped folder 10 and adjustable column 11, and two head part of U-shaped folder 10 are not provided with the fastener 12 for clamping rain glass interface 1, and the root of U-shaped folder 10 is provided with the position, hole for screwing with adjustable column 11 screw thread, monitoring probe 6 is connected with draws cable 13, and the other end of drawing cable 13 connects with external acquisition analysis system 14.
Second cavity 8 is communicated with the first cavity 7 and the 3rd cavity 9, for the directed drainage of gas; The setting of geometrical clamp, can make monitoring joint 2 install convenient, and fastener 12 can ensure the fixing of geometrical clamp and rain glass interface 1, and adjustable column 11 and U-shaped folder 10 screw thread screw, and can in use carry out screwing and to make with rain glass interface 1 fixing more firm, ensures air tight; Monitoring probe 6 is arranged on thimble, and when by tight monitoring joint 2, monitoring probe 6 can be inserted in rain glass interface 1, can carry out the on-line checkingi of real-time.
Monitoring joint 2 is public monitoring joint 15, and its thimble is public thimble 16, and public thimble 16 is installed in the second cavity 8, and it is outside at joint pedestal 17 that adapter body 5 comprises the projection of joint pedestal the 17, three cavity 9.If rain glass interface 1 is matrix, then select public monitoring joint 15 to dock with it, three cavity 9 of projection in joint pedestal 17 outside can dock with rain glass interface 1 closely and good airproof performance.
Public thimble 16 inside is provided with passage, and an end of public thimble 16 is provided with flat recess 18, and passage communicates with flat recess 18, and the other end of through public thimble 16.Passage is used for drainage gas, and flat recess 18 can lock the reverse checkvalve of rain glass interface 1.
Embodiment 2
Consult Fig. 8 to Figure 12, and Figure 14, for another kind connects the on-line monitoring probe of SF6 isolating switch, embodiment 2 is with the difference part of embodiment 1: monitor joint 2 and monitor joint 19 for female, its thimble is female thimble 20, and female thimble 20 is installed in the 3rd cavity 9, is provided with the O type circle 21 for sealing rain glass interface 1 in the 3rd cavity 9, adapter body 5 comprises joint pedestal the 17, three cavity 9 depression and is located at bottom joint pedestal 17.If rain glass interface 1 is convex, then select female monitoring joint 19 to dock with it, O type circle 21 can make female monitoring joint 19 be connected with rain glass interface 1 more closely and good airproof performance.
During site test operation, the lid on rain glass interface 1 is pulled down, the structure of checkout facility gas gauge, if rain glass interface 1 is matrix, then select public monitoring joint to dock with it, if rain glass interface is convex, then select female monitoring joint to dock with it.Firmly by tightly monitoring joint, make the reverse checkvalve in thimble jacking rain glass wherein, when hearing the sound of giving vent to anger, namely monitoring joint and rain glass interface are fixed together by available geometrical clamp, rotate adjustable column and are locked on rain glass interface by U-shaped folder.So far, whole monitoring jiont treatment completes, and can start instrument and test.Monitoring probe is inserted in rain glass interface, can monitor the SF6 gas of mobility, to the information that the pressure of SF6 gas, micro-water number, purity, decomposition product sense, by drawing cable, Signal transmissions to external acquisition analysis system is carried out data analysis, system carries out analysis contrast according to information signal, trend anticipation, output signal notifies that relevant persons in charge carries out overhauling or supplementing.
Compared with prior art, this product has following advantage:
(1) when mounted, eliminate the complicated processes of dismounting screw, utilize special U-shaped folder to replace screw, convenient and swift, substantially increase the work efficiency of site test.
(2) this product is compared with existing gas-charging connection, smaller and more exquisite, uses lighter, so not only more convenient operation, also can save material.
(3) this product only needs a people just can complete easily when mounted, and needs two people to coordinate when existing product is installed just to complete, and therefore this product can shorten the activity duration, reduces work operations amount, reduces maintenance cost.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.
Claims (4)
1. one kind connects the on-line monitoring probe of SF6 isolating switch, for being connected with the rain glass interface of isolating switch, it is characterized in that: comprise monitoring joint and geometrical clamp, monitoring joint comprises interface of giving vent to anger, thimble, there is the adapter body of sealing property, be arranged on the monitoring probe on thimble, described adapter body inside forms the first cavity, second cavity and the 3rd cavity, second cavity is communicated with the first cavity and the 3rd cavity respectively, 3rd cavity is connected with rain glass interface, interface of giving vent to anger screws in the first cavity, when firmly by tight monitoring joint, the barometric reverse checkvalve of thimble jacking, monitoring probe is inserted in rain glass interface, geometrical clamp comprises U-shaped folder and adjustable column, and two head part of U-shaped folder are not provided with the fastener for clamping rain glass interface, and the root of U-shaped folder is provided with the position, hole for screwing with adjustable column screw thread, described monitoring probe is connected with extraction cable, and the other end of drawing cable connects with external acquisition analysis system.
2. a kind of on-line monitoring probe connecting SF6 isolating switch according to claim 1, it is characterized in that: described monitoring joint is public monitoring joint, its thimble is public thimble, public thimble is installed in the second cavity, described adapter body comprises joint pedestal, and described 3rd cavity projection is outside at joint pedestal.
3. a kind of on-line monitoring probe connecting SF6 isolating switch according to claim 1, it is characterized in that: described monitoring joint is female monitoring joint, its thimble is female thimble, female thimble is installed in the 3rd cavity, the O type circle for sealing rain glass interface is provided with in 3rd cavity, described adapter body comprises joint pedestal, and described 3rd cavity depression is located at joint base bottom.
4. a kind of on-line monitoring probe connecting SF6 isolating switch according to claim 2, is characterized in that: described public thimble inside is provided with passage, and an end of public thimble is provided with flat recess, and described passage communicates with flat recess, and the other end of through public thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575738.6U CN204203195U (en) | 2014-09-30 | 2014-09-30 | A kind of on-line monitoring probe connecting SF6 isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575738.6U CN204203195U (en) | 2014-09-30 | 2014-09-30 | A kind of on-line monitoring probe connecting SF6 isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204203195U true CN204203195U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575738.6U Active CN204203195U (en) | 2014-09-30 | 2014-09-30 | A kind of on-line monitoring probe connecting SF6 isolating switch |
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| Country | Link |
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| CN (1) | CN204203195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290488A (en) * | 2017-07-18 | 2017-10-24 | 国网河南省电力公司检修公司 | Transformer SF6Gas test fixture |
| CN113092013A (en) * | 2021-04-15 | 2021-07-09 | 广东电网有限责任公司肇庆供电局 | Rotary type joint thimble resetting and judging leakage-preventing device |
-
2014
- 2014-09-30 CN CN201420575738.6U patent/CN204203195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290488A (en) * | 2017-07-18 | 2017-10-24 | 国网河南省电力公司检修公司 | Transformer SF6Gas test fixture |
| CN113092013A (en) * | 2021-04-15 | 2021-07-09 | 广东电网有限责任公司肇庆供电局 | Rotary type joint thimble resetting and judging leakage-preventing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |