CN201465901U - Oil charge anti-vibration sulfur hexafluoride gas density relay - Google Patents
Oil charge anti-vibration sulfur hexafluoride gas density relay Download PDFInfo
- Publication number
- CN201465901U CN201465901U CN2009200754569U CN200920075456U CN201465901U CN 201465901 U CN201465901 U CN 201465901U CN 2009200754569 U CN2009200754569 U CN 2009200754569U CN 200920075456 U CN200920075456 U CN 200920075456U CN 201465901 U CN201465901 U CN 201465901U
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- Prior art keywords
- sulfur hexafluoride
- oil
- hexafluoride gas
- density relay
- gas density
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Abstract
An oil charge anti-vibration sulfur hexafluoride gas density relay mainly comprises a connector, a casing, a base, a mechanism, a C-shaped tube, a temperature compensating element, a signal transmitter, an adjusting part and a pointer. The oil charge anti-vibration sulfur hexafluoride gas density relay is characterized in that the signal generator includes a micro switch, and silicone oil or transformer oil is filled inside the casing. The oil charge anti-vibration sulfur hexafluoride gas density relay has the advantages that the signal generator can be oxidation resistant and has fine contact conductivity, can be used for a long time, completely resolves problems of poor contact of the density relay, and can be applied on sulfur hexafluoride electric equipment well.
Description
Technical field
The utility model relates to relay, more specifically refers to a kind of oil-filled Shakeproof type sulfur hexafluoride gas density relay, and this relay is used for control and monitors the airtight container sulfur hexafluoride gas density.
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.
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.A kind of relay of prior art as shown in Figure 1, 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 element 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 element 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 because moving contact is along with hand motion, add that gas leakage speed is slow, the moving contact movement velocity is slow like this, and its capacity is just little.In addition, when contact 21 (reporting to the police or locking) is closed, its closing force only depends 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, it is very little that two power stack up, and therefore contact is not very good, and the time is long slightly, contact one oxidation or pollution, contact will be obstructed or contact unreliable.In order to improve resistance to shock, also be filled with the silicone oil that vibrationproof is used, for this oil-filled type, though magnetic helps formula electric contact contact to be immersed in the silicone oil, the time one is long, after the action for several times, its contact performance can descend, and adds that oil film has insulating effect, and its contact also can loose contact or obstructed.Add the reason in the manufacturing, ubiquity loose contact problem, not even conducting phenomenon.For the user, if come in contact bad or not conducting phenomenon, have only again and change, cause direct economic loss.
Therefore, but develop the sulfur hexafluoride gas density relay that a kind of resistance to shock is good and the contact conduction property is good, be very important.
Summary of the invention
The purpose of this utility model is to solve the problems referred to above that prior art exists, and a kind of oil-filled Shakeproof type sulfur hexafluoride gas density relay of new structure is provided.
To achieve these goals, the utility model adopts following technical scheme: a kind of oil-filled Shakeproof type sulfur hexafluoride gas density relay mainly comprises:
A kind of oil-filled Shakeproof type sulfur hexafluoride gas density relay, mainly comprise joint, watchcase, pedestal, movement, C shape pipe, temperature compensating element, signal generator, regulating part and pointer, described signal generator is a sensitive switch, and is filled with silicone oil or transformer oil in the watchcase.
Described oil-filled Shakeproof type sulfur hexafluoride gas density relay, described temperature compensating element are bimetallic material or the airtight SF that is filled with
6The C shape pipe of gas.
Described oil-filled Shakeproof type sulfur hexafluoride gas density relay, the width of described C shape pipe is 20～40mm.
Described oil-filled Shakeproof type sulfur hexafluoride gas density relay, described joint and pedestal are incorporate.
Described oil-filled Shakeproof type sulfur hexafluoride gas density relay, described temperature compensating element are bimetallic material, and its width is 5.5～18mm.
Described oil-filled Shakeproof type sulfur hexafluoride gas density relay, described density monitor comprise that also one is located at the chassis of watchcase bottom, and described joint is fixed on the chassis, and be fixedly connected by several vibration isolators between this chassis and the watchcase.
The utility model is owing to adopted above-mentioned technical scheme, transformer station's application can suit, 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.It is big to the utlity model has contact rating, and contact is reliable, is not afraid of oxidation, and the advantage that the life-span is long can be used for a long time, overcomes the bad problem of signal generator contact contact fully, can be applied on the sulfur hexafluoride electrical equipment well.
Description of drawings
Fig. 1 is the structural representation of a kind of mechanical pointer density monitor of prior art;
Fig. 2 is the structural representation of the oil-filled Shakeproof type sulfur hexafluoride gas density relay of the utility model.
Fig. 3 is another structural representation of the oil-filled Shakeproof type sulfur hexafluoride gas density relay of the utility model.
Embodiment
Referring to Fig. 2, the oil-filled Shakeproof type sulfur hexafluoride gas density relay of the utility model, comprise signal generator be sensitive switch 34 (present case is three), printed board 30, three with sensitive switch regulating part 37, connecting rod 35, crossbeam 36, conduit 22, location-plate 31, fixed head 32, electric wire 33, silicone oil 38, joint 11, movement 12 one to one, watchcase 13, dial 14, pointer 15, C shape pipe 16, temperature compensating element 17 (present case employing bimetal leaf), socket 18, watch crystal 19 and cover circle 20 etc.Wherein, one end of C shape pipe 16 is fixed on the pedestal 21, the other end is fixed on the end seat, be fixed with again on the temperature compensating element 17 on the end seat, and three regulating parts 37 are separately fixed on the crossbeam 36, crossbeam 36 is connected with the other end of temperature compensating element 17, also is connected with connecting rod 35 simultaneously, and connecting rod 35 is connected with the movement 12 of relay.Movement is fixed on the pedestal 21, and at this moment, conduit 22 is connected between pedestal 21 and the joint 11, that is, an end of conduit 22 is connected with pedestal 21, and positiver sealing, and the other end of conduit 22 is connected with joint, and positiver sealing.The effect of conduit 22 is exactly the SF that is communicated with between pedestal 21 and the joint 11
6Gas circuit is so that gas enters C shape pipe 16 by conduit 22.Three sensitive switches 34 all are welded in the printed board 30.Printed board 30 is fixed on the fixed head 32, and fixed head 32 is installed in again on the pedestal 21.Three sensitive switches 34 are corresponding one by one with three regulating parts 37, and promptly sensitive switch 34 correspondence are fixed on the below (or top) of a regulating part 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 36 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, utilize the pressure and temperature of 17 pairs of variations of temperature compensating element 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 element 17 has been arranged, the variation of its density value, force value also changes accordingly, force the end of C shape pipe 16 to produce corresponding strain-displacement, by means of temperature compensating element 17 and connecting rod 35, pass to movement 12, movement 12 passes to pointer 15 again, if by tested sulfur hexafluoride gas density value is indicated on dial 14. 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 element 17, make crossbeam 36 to bottom offset, regulating part 37 on the crossbeam 36 just promotes corresponding sensitive switch 34 contacts and connects, send corresponding signal (reporting to the police or locking), reach the sulfur hexafluoride gas density in the equipment such as supervision and control electric switch, if make the electric equipment trouble free service. 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 element 17, make crossbeam 36 to top offset, three regulating parts 37 on the crossbeam 36 are just to top offset, regulating part 37 just can not run into three sensitive switches 34, and its contact is with regard to automatic disconnection, and signal (reporting to the police or locking) is just removed.
Watchcase seals simultaneously, be filled with silicone oil or transformer oil that vibrationproof is used in the watchcase, utilize the damping action and the buffering effect of silicone oil (or transformer oil) 38, make density monitor that good resistance to shock be arranged, avoid the vibration in the switch breaking-closing operating, and cause misoperation.Can well be used in SF
6In the electric equipment.
Because the signal generator contact of this density monitor adopts the form of sensitive switch, moreover the control of each sensitive switch 34 contact is all controlled by the regulating part of correspondence, and the control of regulating part 37 is carried out by compensating element, 17 and C shape pipe 16, compensating element, 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.The most important thing is, in order to increase resistance to shock, be filled with silicone oil in the utility model watchcase, its objective is increases damping and buffering effect, makes density monitor that good resistance to shock be arranged, and avoids the vibration in the switch breaking-closing operating, and causes misoperation.Can not block or break-off simultaneously, so just improve the resistance to shock of this relay greatly.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, are in the good connection, are not afraid of vibration.Simultaneously, because the signal generator of this density monitor has adopted sensitive switch, because of the sensitive switch contact rating big, contact is reliable, be not afraid of oxidation, the life-span is long, so this product can use for a long time, overcome the bad problem of signal generator contact contact fully, can be applied on the sulfur hexafluoride electrical equipment well.Be the pointer density monitor that a kind of genuine vibration resistance is good, the contact performance is good, can be applied on the sulfur hexafluoride electrical equipment well.
Shown in Figure 3, be joint and the incorporate a kind of version of pedestal.
The joint direction can be radially or axial form.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (6)
1. oil-filled Shakeproof type sulfur hexafluoride gas density relay, mainly comprise joint, watchcase, pedestal, movement, C shape pipe, temperature compensating element, signal generator, regulating part and pointer, it is characterized in that: described signal generator is a sensitive switch, and is filled with silicone oil or transformer oil in the watchcase.
2. oil-filled Shakeproof type sulfur hexafluoride gas density relay according to claim 1 is characterized in that: described temperature compensating element is bimetallic material or the airtight SF of being filled with
6The C shape pipe of gas.
3. oil-filled Shakeproof type sulfur hexafluoride gas density relay according to claim 2 is characterized in that: the width of described C shape pipe is 20～40mm.
4. oil-filled Shakeproof type sulfur hexafluoride gas density relay according to claim 1 is characterized in that: described joint and pedestal are incorporate.
5. oil-filled Shakeproof type sulfur hexafluoride gas density relay according to claim 1 is characterized in that: described temperature compensating element is a bimetallic material, and its width is 5.5～18mm.
6. oil-filled Shakeproof type sulfur hexafluoride gas density relay according to claim 1, it is characterized in that: described density monitor comprises that also one is located at the chassis of watchcase bottom, described joint is fixed on the chassis, and is fixedly connected by several vibration isolators between this chassis and the watchcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754569U CN201465901U (en) | 2009-07-29 | 2009-07-29 | Oil charge anti-vibration sulfur hexafluoride gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200754569U CN201465901U (en) | 2009-07-29 | 2009-07-29 | Oil charge anti-vibration sulfur hexafluoride gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465901U true CN201465901U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200754569U Expired - Lifetime CN201465901U (en) | 2009-07-29 | 2009-07-29 | Oil charge anti-vibration sulfur hexafluoride gas density relay |
Country Status (1)
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| CN (1) | CN201465901U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456560A (en) * | 2013-09-18 | 2013-12-18 | 上海乐研电气科技有限公司 | High-shock-resistance sulfur hexafluoride gas density relay |
| CN109148216A (en) * | 2018-08-07 | 2019-01-04 | 云南电网有限责任公司德宏供电局 | A kind of detachable adjustable type sulfur hexafluoride density relay |
| CN109839143A (en) * | 2017-11-28 | 2019-06-04 | 上海乐研电气科技有限公司 | Shock type electro connecting pressure gauge |
| CN111323699A (en) * | 2020-03-03 | 2020-06-23 | 西南交通大学 | Method for evaluating service performance of transformer oil flow relay |
| US20210043402A1 (en) * | 2018-09-28 | 2021-02-11 | Shanghai Roye Electrical Co., Ltd. | Method for improving gas density relay precision and a high-precision gas density relay |
| US11885827B2 (en) | 2020-03-11 | 2024-01-30 | Shanghai Roye Electric Co., Ltd. | High anti-vibration gas density monitor |
-
2009
- 2009-07-29 CN CN2009200754569U patent/CN201465901U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456560A (en) * | 2013-09-18 | 2013-12-18 | 上海乐研电气科技有限公司 | High-shock-resistance sulfur hexafluoride gas density relay |
| WO2015039494A1 (en) * | 2013-09-18 | 2015-03-26 | 上海乐研电气科技有限公司 | Highly shock-resistant sulphur hexafluoride gas density relay |
| CN103456560B (en) * | 2013-09-18 | 2015-12-02 | 上海乐研电气科技有限公司 | A kind of high antivibration sulfur hexafluoride gas density relay |
| CN109839143A (en) * | 2017-11-28 | 2019-06-04 | 上海乐研电气科技有限公司 | Shock type electro connecting pressure gauge |
| CN109148216A (en) * | 2018-08-07 | 2019-01-04 | 云南电网有限责任公司德宏供电局 | A kind of detachable adjustable type sulfur hexafluoride density relay |
| CN109148216B (en) * | 2018-08-07 | 2024-01-30 | 云南电网有限责任公司德宏供电局 | Detachable and adjustable sulfur hexafluoride density relay |
| US20210043402A1 (en) * | 2018-09-28 | 2021-02-11 | Shanghai Roye Electrical Co., Ltd. | Method for improving gas density relay precision and a high-precision gas density relay |
| CN111323699A (en) * | 2020-03-03 | 2020-06-23 | 西南交通大学 | Method for evaluating service performance of transformer oil flow relay |
| CN111323699B (en) * | 2020-03-03 | 2021-04-20 | 西南交通大学 | Method for evaluating service performance of transformer oil flow relay |
| US11885827B2 (en) | 2020-03-11 | 2024-01-30 | Shanghai Roye Electric Co., Ltd. | High anti-vibration gas density monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170103 Address after: 201802 Shanghai City, Jiading District Nanxiang Town, Yun North Road 1755 Lane 21, B zone four Patentee after: Shanghai joy Electric Co., Ltd. Address before: 200237 Minhang District Lotus Road, Lane 155, room 32, No. 1102, room Patentee before: Shanghai Roye Electronic Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |