CN2679825Y - Anti-shocking anolog type sulfur hexafluoride gas density relay - Google Patents
Anti-shocking anolog type sulfur hexafluoride gas density relay Download PDFInfo
- Publication number
- CN2679825Y CN2679825Y CN 200420020347 CN200420020347U CN2679825Y CN 2679825 Y CN2679825 Y CN 2679825Y CN 200420020347 CN200420020347 CN 200420020347 CN 200420020347 U CN200420020347 U CN 200420020347U CN 2679825 Y CN2679825 Y CN 2679825Y
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- CN
- China
- Prior art keywords
- sulfur hexafluoride
- hexafluoride gas
- shocking
- gas density
- type sulfur
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- Expired - Fee Related
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Abstract
The utility model provides an anti-shocking pointer type sulfur hexafluoride gas density relay, comprising a relay body, a plurality of microswitches, a printed board, a plurality of adjusting rods corresponding the microswitches one by one, a link rod, a cross beam, a positioning board, a fixing board and an electric wire. Wherein a plurality of adjusting rods are fixed on the cross beam; The cross beam is connected with one end of the temperature compensating plate of the relay body and simultaneously is connected with the link rod. The link rod is connected with the cassette mechanism of the relay body. A plurality of microswitches are welded on the printed board. Each microswitch is correspondingly fixed at the lower part of the adjusting rod. The contact point of the microswitch is connected on the socket of the relay body from the printed board through the electric wire. The anti-shocking pointer type sulfur hexafluoride gas density relay of the utility model is shockproof. The anti-shocking pointer type sulfur hexafluoride gas density relay can not be filled with silicone oil. The anti-shocking pointer type sulfur hexafluoride gas density relay completely overcomes the problem of oil leakage. The anti-shocking pointer type sulfur hexafluoride gas density relay can be better applied on a sulphur hexafluoride electrical device to control and monitor the density of the sulphur hexafluoride gas in a sealed container. If the gas leakage of the sulphur hexafluoride electrical device occurs, the anti-shocking pointer type sulfur hexafluoride gas density relay can emit an alarm signal and a blocking signal in time. The anti-shocking pointer type sulfur hexafluoride gas density relay can guarantee the safety of electric force.
Description
Technical field
The utility model relates to a kind of sulfur hexafluoride gas density relay that is used for controlling and monitoring the airtight container sulfur hexafluoride gas density, relates in particular to a kind of pointer sulfur hexafluoride gas density relay with very good resistance to shock.
Background technology
The sulphur hexafluoride electric product has been widely used in power department, industrial and mining enterprises, has promoted the fast development of power industry.The reliable and secure operation that guarantees the sulphur hexafluoride electric product has become one of vital task of power department.The arc-extinguishing medium of sulphur hexafluoride electric product and dielectric are sulfur hexafluoride gas, can not leak gas, if leak gas, just can not guarantee the reliable and secure operation of sulphur hexafluoride electric product.So the sulfur hexafluoride density value of monitoring sulphur hexafluoride electric product is very necessary.
As shown in Figure 1, existing what be used for monitoring sulfur hexafluoride density is a kind of mechanical pointer density monitor, and it has when gas leakage takes place the sulphur hexafluoride electric product can warning and the performance of blocking function and on-the-spot display density value.It comprises that relay body 1 and magnetic help formula contact 2.Relay body 1 comprises joint 11, movement 12, watchcase 13, dial 14, pointer 15, C shape pipe 16, temperature-compensating sheet 17, socket 18, watch crystal 19 and cover circle 20, wherein: joint 11 is welded on the watchcase 13, movement 12 is fixed on the joint 11, pointer 15 is fixed on the movement 12, and dial 14 is fixed on the movement 12, and an end of C type pipe 16 is welded on the joint 11, the other end is connected with an end of temperature-compensating sheet 17, and socket 18 is fixed on the watchcase 13.Watch crystal 19, cover circle 20 are separately fixed on the watchcase 13, protect its internal mechanism to avoid mechanical behaviour's wound and filthy, rainwater intrusion.
In the said structure, be to adopt hairspring type electric contact because magnetic helps formula contact 2, help formula suction though added magnetic, the reliable closure of docking point is helpful.But when density was higher than set point, its moving contact 21 moved along with pointer 15, pointer 15 be very flexibly, elongated, and be afraid of to shake.In case when promptly density value had arrived set point (report to the police or locking), signalling contact 21 (reporting to the police or locking) had moved, if this moment pointer 5 in its vicinity the time, if vibration will make signal disconnect again, send misoperation.In addition, when contact 21 (report to the police or locking) was closed, its closing force only depended on the small power of the hairspring of contact, adds that magnetic helps formula power, because the power of hairspring is very little, magnetic helps too big that formula suction can not transfer, and it is very little that two power stack up, and therefore extremely is afraid of to shake.In order to improve its vibration resistance, generally all be filled with silicone oil, but the reason on making, ubiquity leakage of oil problem.Leakage of oil taking place for the user, have only again and change, causes direct economic loss.
Therefore, developing does not a kind ofly need oil-filledly, but the good pointer sulfur hexafluoride gas density relay of its resistance to shock is very important.
The utility model content
The purpose of this utility model is to provide a kind of oil-filled vibration pointer type sulfur hexafluoride gas density relay that do not need, the density of sulfur hexafluoride gas in control and the supervision airtight container, be applied on the sulfur hexafluoride electrical equipment simultaneously, at the gas leakage situation that occurs in the sulfur hexafluoride electrical equipment, can send alarm signal immediately, block signal is for ensureing that electric power safety plays effect.
A kind of vibration pointer type sulfur hexafluoride gas density relay provided by the utility model, comprise the relay body, it is characterized in that, it also comprises several sensitive switches, printed board, several and sensitive switch adjusting rod, connecting rod, crossbeam, location-plate, fixed head and electric wire one to one, wherein: fix several adjusting rods on the described crossbeam, and this crossbeam is connected with an end of the temperature-compensating sheet of described relay body, also be connected simultaneously, and this connecting rod is connected with the movement of described relay body with described connecting rod; Several sensitive switches all are welded in the described printed board; Described printed board is fixed on the described fixed head, and this fixed head is installed in again on the joint of described relay body; Each sensitive switch correspondence is fixed on the below of an adjusting rod; Described location-plate is fixed on the movement of described relay body; The contact of described sensitive switch is connected on the socket of described relay body from described printed board by described electric wire.
Above-mentioned vibration pointer type sulfur hexafluoride gas density relay, wherein: sensitive switch has three, and described adjusting rod also corresponds to three.
Adopted above-mentioned technical scheme, make the utility model transformer station that can suit use, the density of sulfur hexafluoride gas in control and the supervision airtight container, be applied on the sulfur hexafluoride electrical equipment simultaneously, at the gas leakage situation that occurs in the sulfur hexafluoride electrical equipment, can send alarm signal immediately, block signal is for ensureing that electric power safety plays effect.The utlity model has the advantage of not being afraid of vibration, can not fill silicone oil, overcome the leakage of oil problem fully, can be applied on the sulfur hexafluoride electrical equipment well.
Description of drawings
Fig. 1 is the structural representation of existing machinery pointer-type density monitor;
Fig. 2 is a structural representation of the present utility model
Embodiment
As shown in Figure 2, the utility model, be the vibration pointer type sulfur hexafluoride gas density relay, comprise relay body 1, three sensitive switches 34, printed board 30, three with sensitive switch adjusting rod 37, connecting rod 35, crossbeam 36, location-plate 31, fixed head 32 and electric wire 33 one to one.
Relay body 1 comprises joint 11, movement 12, watchcase 13, dial 14, pointer 15, C shape pipe 16, temperature-compensating sheet 17, socket 18, watch crystal 19 and cover circle 20.
Fix three adjusting rods 37 on the crossbeam 36, and this crossbeam 36 is connected with an end of temperature-compensating sheet 17, also be connected simultaneously, and this connecting rod 35 is connected with the movement 12 of relay body 1 with connecting rod 35.
Three sensitive switches 34 all are welded in the printed board 30.
Printed board 30 is fixed on the fixed head 32, and this fixed head 32 is installed in again on the joint 11.
Each sensitive switch 34 correspondence is fixed on the below of an adjusting rod 37.
Location-plate 31 is fixed on the movement 12; its function is: when sulfur hexafluoride gas density drops to certain value, moves down with regard to spacing C shape pipe 16, and then protection sensitive switch 34; and then protection crossbeam 16 do not damaged by pressure and is out of shape, and makes whole system keep reliably working.
The contact of sensitive switch 34 by electric wire 33, is connected on the socket 18 from printed board 30.
The action principle of the utility model density monitor is based on flexible member C shape pipe 16, utilizes the pressure and temperature of 17 pairs of variations of temperature-compensating sheet to revise, the variation of reaction sulfur hexafluoride gas density.Promptly under the pressure effect of measured medium sulfur hexafluoride gas, because the effect of temperature-compensating sheet 17 has been arranged, the variation of its density value, force value also changes accordingly, force the not end of C shape pipe 16 to produce corresponding strain-displacement,, pass to movement 12 by means of temperature-compensating sheet 17 and connecting rod 35, movement 12 passes to pointer 15 again, by tested sulfur hexafluoride gas density value is indicated on scale 14.If leaked gas, its density value drops to a certain degree (reach and report to the police or the locking value), C shape pipe 16 produces accordingly to bottom offset, by temperature-compensating sheet 17, make crossbeam 36 to bottom offset, the adjusting rod 37 on the crossbeam 36 just promotes corresponding sensitive switch 34 contacts and connects, and sends corresponding signal (reporting to the police or locking), reach the sulfur hexafluoride gas density in the equipment such as supervision and control electric switch, make the electric equipment trouble free service.If its density value has raise, force value also raises accordingly, be elevated to a certain degree, C shape pipe 16 also produces accordingly to top offset, by temperature-compensating sheet 17, makes crossbeam 36 to top offset, three adjusting rods 37 on the crossbeam 36 are just to top offset, three adjusting rods 37 just can not run into three sensitive switches 34, and its contact just disconnects, and signal (reporting to the police or locking) is just removed.
Because the signal contact of this density monitor adopts the form of three sensitive switches, moreover the control of each sensitive switch 34 contact is all controlled by the adjusting rod 37 of correspondence, and the control of adjusting rod 37 is carried out by compensating plate 17 and C shape pipe 16, compensating plate 17 is not afraid of vibration, it only changes with variation of temperature, be not afraid of and shake, and the power of C shape pipe 16 is bigger, be difficult for being out of shape or producing displacement because of vibration, its resistance to shock is good.In addition, density value has descended, and C shape pipe 16 just moves down, and until the action of signal (reporting to the police or locking) contact, promptly sensitive switch 34 contacts are connected.Density value descends more, and it is firm more that sensitive switch is just connected, and descends again, and C shape pipe 16 plate 31 that just is positioned is positioned on its scale value, and at this moment, three sensitive switches 34 are in completely well under the pressure, is completely, in the good connection, is not afraid of vibration.Because bigger masterpiece is used on the sensitive switch on the C shape pipe 16 at this moment.
Therefore, the utility model is the fabulous density monitor of a kind of resistance to shock, adopted three sensitive switches 34 as signal (reporting to the police or locking) contact, owing to promote the direct force of three sensitive switches, 34 switchings are C shape pipes 16, rather than pointer 15, so its resistance to shock is extraordinary, do not need to fill silicone oil, just directly can on switch disconnector, use.
The utility model is on the basis that utilizes traditional density monitor temperature compensation principle, signal (report to the police or the locking) contact of three sensitive switches 34 as pointer density monitor, directly utilize the power of C shape pipe 16 to promote the switching of three sensitive switches 34, having improved the resistance to shock of the pointer density monitor of this kind greatly, is a kind of genuine vibration resistance pointer-type density monitor.Have the advantage of not being afraid of vibration, can not fill silicone oil, overcome the leakage of oil problem fully, can be applied on the sulfur hexafluoride electrical equipment well.
Claims (2)
1. vibration pointer type sulfur hexafluoride gas density relay, comprise relay body (1), it is characterized in that, it also comprises several sensitive switches (34), printed board (30), several and sensitive switch adjusting rod (37), connecting rod (35), crossbeam (36), location-plate (31), fixed head (32) and electric wire (33) one to one, wherein:
Fix several adjusting rods (37) on the described crossbeam (36), and this crossbeam (36) is connected with an end of the temperature-compensating sheet (17) of described relay body (1), also be connected simultaneously, and this connecting rod (35) is connected with the movement (12) of described relay body (1) with described connecting rod (35);
Several sensitive switches (34) all are welded in the described printed board (30);
Described printed board (30) is fixed on the described fixed head (32), and this fixed head (32) is installed in again on the joint (11) of described relay body (1);
Each sensitive switch (34) correspondence is fixed on the below of an adjusting rod (37);
Described location-plate (31) is fixed on the movement (12) of described relay body (1);
The contact of described sensitive switch (34) is connected on the socket (18) of described relay body (1) from described printed board (30) by described electric wire (33).
2. vibration pointer type sulfur hexafluoride gas density relay according to claim 1 is characterized in that: described sensitive switch has three, and described adjusting rod also corresponds to three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020347 CN2679825Y (en) | 2004-02-23 | 2004-02-23 | Anti-shocking anolog type sulfur hexafluoride gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020347 CN2679825Y (en) | 2004-02-23 | 2004-02-23 | Anti-shocking anolog type sulfur hexafluoride gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2679825Y true CN2679825Y (en) | 2005-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420020347 Expired - Fee Related CN2679825Y (en) | 2004-02-23 | 2004-02-23 | Anti-shocking anolog type sulfur hexafluoride gas density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2679825Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008064554A1 (en) * | 2006-11-30 | 2008-06-05 | Shanghai Roye Electric Science And Technology Co., Ltd. | Vibration-resisting pointer sf6 gas density relay |
| CN1971795B (en) * | 2005-11-23 | 2010-12-29 | 苏丽芳 | Shakeproof type sulfur hexafluoride gas density relay |
| CN101038828B (en) * | 2006-03-17 | 2011-04-27 | 苏丽芳 | Operating arm anti-vibration pointer type SF6 gas density relay |
| CN101038829B (en) * | 2006-03-17 | 2011-06-29 | 苏丽芳 | Heightening operation arm anti-vibration pointer type SF6 gas density relay |
-
2004
- 2004-02-23 CN CN 200420020347 patent/CN2679825Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971795B (en) * | 2005-11-23 | 2010-12-29 | 苏丽芳 | Shakeproof type sulfur hexafluoride gas density relay |
| CN101038828B (en) * | 2006-03-17 | 2011-04-27 | 苏丽芳 | Operating arm anti-vibration pointer type SF6 gas density relay |
| CN101038829B (en) * | 2006-03-17 | 2011-06-29 | 苏丽芳 | Heightening operation arm anti-vibration pointer type SF6 gas density relay |
| WO2008064554A1 (en) * | 2006-11-30 | 2008-06-05 | Shanghai Roye Electric Science And Technology Co., Ltd. | Vibration-resisting pointer sf6 gas density relay |
| CN101192484B (en) * | 2006-11-30 | 2012-01-25 | 苏丽芳 | Vibration-resisting type pointer type SF6 gas density relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050216 Termination date: 20130223 |