CN109839329A - A kind of shock type density meter - Google Patents
A kind of shock type density meter Download PDFInfo
- Publication number
- CN109839329A CN109839329A CN201711214615.4A CN201711214615A CN109839329A CN 109839329 A CN109839329 A CN 109839329A CN 201711214615 A CN201711214615 A CN 201711214615A CN 109839329 A CN109839329 A CN 109839329A
- Authority
- CN
- China
- Prior art keywords
- torsional spring
- density meter
- shock type
- type density
- pull rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The present invention relates to a kind of density meter more particularly to a kind of apply in SF6The good density meter of resistance to shock on (sulfur hexafluoride) electrical equipment.A kind of shock type density meter, shell including shock type density meter, it is arranged in the intracorporal pedestal of the shell, Baden pipe, end seat, temperature compensating element, machine core, pointer, dial, the machine core includes the central axis and driving gear set of upper lower clamp plate and clamping plate clamping, output gear in driving gear set is sector gear, elongated end and a pull rod are pivotally connected outside its upward lower clamp plate, it is characterized in that, the pull rod of side at the pivot connection is equipped with torsional spring fixing piece, the other side of pull rod is equipped with torsional spring baffle part, torsional spring is cased on the torsional spring fixing piece, the both ends of torsional spring are from pivot sandwich pivot and extend to the two sides of torsional spring baffle part and clamp torsional spring baffle part.The present invention has exempted from the influence of the beat of pointer docking point in vibration.
Description
Technical field
The present invention relates to a kind of density meter more particularly to a kind of apply in SF6Antivibration on (sulfur hexafluoride) electrical equipment
Density meter of good performance.
Background technique
SF6Electric product has been widely used the fast development that power industry is promoted in power department, industrial and mining enterprises.It protects
Demonstrate,prove SF6The reliable and secure operation of electric product has become one of vital task of power department.SF6The arc-extinguishing medium of electric product
It is SF with dielectric6Gas leakage cannot occur for gas, if gas leakage occurs, cannot guarantee SF6The reliable and secure operation of electric product.
So monitoring SF6The SF of electric product6Density value is very necessary.
It is currently used to monitoring SF6Density generallys use a kind of pointer electric contact density meter of machinery, such as Fig. 1 structure.This
Kind of electric contact density meter generally uses Baden pipe 3, temperature compensating element 4 and hairspring-type magnetic-type electrical contact 7, operating point be with
Pointer 2 and move, due to the power very little of balance spring, when density value has arrived set action value (alarm or locking), signalling contact
(alarm or locking) movement, if pointer is in its vicinity at this time, can generate vibration, it is possible to back off signal, issue
Malfunction.Therefore be extremely afraid of vibration.The occasion big for oscillation intensity, existing electric contact density meter are easy for precision occur inclined
The problems such as difference, especially resistance to shock are bad, working life is not long.
Summary of the invention
In order to solve the above problems existing in the present technology, the purpose of the present invention is to provide a kind of resistance to shock is more superior
Electric contact density meter, for controlling and monitoring SF in sealing container6The density of gas or its mixed gas, and it is directed to SF6Electrically
The gas leakage situation occurred in equipment issues alarm signal and block signal in time, to ensure that electric power safety plays a role.Tool
Body is the shock type density meter of the technology of the present invention using a kind of special machine core element with resistance to shock.When shaking
When dynamic, machine core gear (central gear and sector gear) is remained stationary, and machine core pull rod moves therewith, the vibration abatement that equipment generates
When, pull rod homing under the action of torsional spring, so as to avoid the influence of the beat of pointer docking point in vibration.
A kind of shock type density meter, shell including shock type density meter, setting the intracorporal pedestal of the shell, Baden pipe,
End seat, temperature compensating element, machine core, pointer, dial, the machine core include upper lower clamp plate and clamping plate clamping central axis and
Driving gear set, the output gear in driving gear set are sector gear, elongated end and a pull rod outside its upward lower clamp plate
It is pivotally connected, the pull rod of the side at the pivot connection is equipped with torsional spring fixing piece, and the other side of pull rod, which is equipped with, to be turned round
Spring baffle part is cased with torsional spring on the torsional spring fixing piece, and the both ends of torsional spring from pivot sandwich pivot and extend to torsional spring
The two sides of baffle part simultaneously clamp torsional spring baffle part.
The shock type density meter has damping piece on the central axis of the machine core.
The shock type density meter has damping piece on the sector shaft of the machine core.
The shock type density meter, the density meter further include several electric signal output contacts, realize gas density
It is monitored and controlled.
The shock type density meter, the signal output contact use microswitch or magnetic-type electrical contact.
The shock type density meter, the temperature compensating element be bimetallic material or it is closed filled with rise a temperature-compensating
The Baden pipe of gas.
The shock type density meter, the shell are sealings.
The shock type density meter, further includes not dismantling calibration equipment, it is mainly made of valve, verification mouth, is passed through
Valve is closed, turns off density monitor in gas circuit with the gas chamber of inside electric appliance, is done directly density by verifying mouth
The verification of relay.
The shock type density meter, it further includes the holding mechanism after signalizing activity.
Shock type density meter of the present invention makes it compared with prior art, has following due to using above technical scheme
Clear advantage and feature:
In above-mentioned technical proposal of the invention, innovative designs a kind of special machine core element with resistance to shock.
When vibration occurs, machine core central gear and sector gear remain stationary, and machine core pull rod moves therewith, and the vibration that equipment generates disappears
When subtracting, pull rod homing under the action of torsional spring mentions significantly so as to avoid the influence of the beat of pointer docking point in vibration
The high resistance to shock of density meter.
In addition illustrate, a kind of shock type density meter of the present invention includes shock type density monitor and SF6Gaseous mixture
Volume density relay, SF6Gas density relay, various other gas density relays, air density meter or even pressure gauge,
Electro connecting pressure gauge.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of prior art pointer-type electric contact density meter；
Fig. 2 is the schematic diagram of internal structure of shock type density meter of the invention；
The structural schematic diagram of shock type density meter machine core Fig. 3 of the invention.
Specific embodiment
In order to preferably understand technical solution of the present invention, below by specifically embodiment and in conjunction with attached drawing
It is described in detail:
The present embodiment refers to Fig. 2 and combines Fig. 3, this hair by taking the shock type density monitor with magnetic-type electrical contact as an example
Bright shock type electric contact density monitor mainly includes the shell of shock type density meter (density monitor), is arranged in the shell
Interior pedestal 5, Baden pipe 3, end seat 9, temperature compensating element 4, machine core 6, pointer 2, dial 1, the machine core includes upper clamp plate
602, lower clamp plate 603, sector gear 604, damping piece 605, central gear 606, torsional spring 601, torsional spring fixing piece 607, pull rod
608, axial screw 609, axle position nut 610, washer 611 is cased with nonetallic gear 6041 outside sector gear 604 as damping
Part, pull rod 608 are equipped with torsional spring baffle part 6081.Specifically, torsional spring 601 is fixed on pull rod 608 by torsional spring fixing piece 607
On, pull rod 608 is fixed on sector gear 604 by axial screw 609, axle position nut 610, washer 611.The torsion of torsional spring 601
Spring both ends are stuck on torsional spring baffle part 6081.Shown in Figure 3, the machine core 6 includes in upper lower clamp plate and clamping plate clamping
Mandrel and driving gear set, the output gear in driving gear set are sector gear 604, outside its upward lower clamp plate elongated end and
One pull rod is pivotally connected.The pull rod 608 of side at the pivot connection is equipped with torsional spring fixing piece 607, pull rod 608
The other side be equipped with torsional spring baffle part 6081, be cased with torsional spring 601 on the torsional spring fixing piece 607, the both ends of torsional spring 601 are from pivot
Axis sandwich pivot and extend to the two sides of torsional spring baffle part 6081 and clamp torsional spring baffle part 6081.
Damping piece is had on the central axis of the machine core.Damping piece 6041 is had on the sector shaft of the machine core.Institute
Stating density meter further includes several electric signal output contacts 7, realizes the monitoring and control of gas density.Signal described in the present embodiment is defeated
Contact uses magnetic-type electrical contact 7 out.It can also be using microswitch as signal output contact.The temperature compensating element 4 is
Bimetallic material or the closed Baden pipe filled with the gas for playing temperature-compensating.In order to be used in middle pressure, not by height above sea level atmospheric pressure
It influences, the shell is sealing.Pull rod 608 can be integrated with temperature compensating element, 4；Pull rod 608 can also be with
It is seperated with temperature compensating element, 4, i.e., it is made of two different elements.
In order to further increase resistance to shock, a manometric bomb spring can be added, manometric bomb spring one end is connected in end seat, another
End is connected in shell；Or manometric bomb spring one end is connected in Baden pipe, the other end is connected in shell.
The shock type density meter, further includes not dismantling calibration equipment, it is mainly made of valve, verification mouth, is passed through
Valve is closed, turns off density monitor in gas circuit with the gas chamber of inside electric appliance, is done directly density by verifying mouth
The verification of relay.
The shock type density meter, it further includes the holding mechanism after signalizing activity.
Technical solution of the present invention, innovative designs a kind of special machine core element with resistance to shock.Work as generation
When vibration, machine core gear (central gear and sector gear) is remained stationary, and machine core pull rod moves therewith, and the vibration that equipment generates disappears
When subtracting sufficiently small, pull rod homing under the action of torsional spring, so as to avoid vibration when beat of pointer docking point influence,
Substantially increase the resistance to shock of density meter.
Shock type density meter further includes not dismantling calibration equipment.Described does not dismantle calibration equipment mainly by valve, verification
Mouthful composition, can not have to disassembly, by close valve, make density monitor in gas circuit with the gas chamber of inside electric appliance close
It is disconnected, the verification of density monitor is completed by verification mouth.Shock type density meter further includes the holding mechanism after signalizing activity.
Technical solution of the present invention, innovative designs a kind of special machine core element with resistance to shock.Work as generation
When vibration, machine core gear (central gear and sector gear) is remained stationary, and machine core pull rod moves therewith, it is ensured that density meter vibration resistance
The raising of energy.And when switch operation generate vibration abatement when, pull rod homing under the action of torsional spring, so as to avoid
The influence of beat of pointer docking point when vibration, substantially increases the resistance to shock of density meter.The machine core element of resistance to shock is not having
When having vibration, under the elastic force effect of torsional spring above, connector (pull rod or compensating element) is with sector gear closely one
It rises, can accurately show gas pressure or density value.And under strong vibration, vibration force is greater than the elastic force of torsional spring, turns round
Spring will be such that machine core gear (central gear and sector gear) remains stationary to both sides opening movement, only machine core pull rod with
Torsional spring to both sides opening movement, switch vibration abatement that divide-shut brake generates to it is sufficiently small when, pull rod is replied under the action of torsional spring
It is in situ, so as to avoid the influence of the beat of pointer docking point in vibration, substantially increase the resistance to shock of density meter.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention
, and be not used as limitation of the invention, as long as in spirit of the invention, to embodiment described above
Variation, modification will all be fallen within the scope of claims of the present invention.As microswitch can also be fixed on the top of adjusting rod
Or lower section.
Claims (9)
1. a kind of shock type density meter, shell, setting including shock type density meter are in the intracorporal pedestal of the shell, Baden pipe, end
Seat, temperature compensating element, machine core, pointer, dial, the machine core include the central axis and biography of upper lower clamp plate and clamping plate clamping
Moving gear group, the output gear in driving gear set are sector gear, elongated end and a pull rod pivot outside its upward lower clamp plate
Axis connection, which is characterized in that the pull rod of the side at the pivot connection is equipped with torsional spring fixing piece, the other side of pull rod
It is equipped with torsional spring baffle part, is cased with torsional spring on the torsional spring fixing piece, the both ends of torsional spring from pivot sandwich pivot and are prolonged
It extends to the two sides of torsional spring baffle part and clamps torsional spring baffle part.
2. shock type density meter as described in claim 1, it is characterised in that: have damping piece on the central axis of the machine core.
3. shock type density meter as described in claim 1, it is characterised in that: with damping on the sector shaft of the machine core
Part.
4. shock type density meter as described in claim 1, it is characterised in that: the density meter further includes several electric signal outputs
Contact realizes the monitoring and control of gas density.
5. shock type density meter as described in claim 1 or 4, it is characterised in that: the signal output contact is opened using fine motion
Pass or magnetic-type electrical contact.
6. shock type density meter as described in claim 1, it is characterised in that: the temperature compensating element is bimetallic material
Or the closed Baden pipe filled with the gas for playing temperature-compensating.
7. shock type density meter as described in claim 1, it is characterised in that: the shell is sealing.
8. shock type density meter according to claim 1, which is characterized in that further include not dismantling calibration equipment, it is main
It is made of valve, verification mouth, by closing valve, turns off density monitor in gas circuit with the gas chamber of inside electric appliance,
The verification for being done directly density monitor by verifying mouth.
9. shock type density meter as described in claim 1, it is characterised in that: it further includes the holding mechanism after signalizing activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214615.4A CN109839329A (en) | 2017-11-28 | 2017-11-28 | A kind of shock type density meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214615.4A CN109839329A (en) | 2017-11-28 | 2017-11-28 | A kind of shock type density meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109839329A true CN109839329A (en) | 2019-06-04 |
Family
ID=66880895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214615.4A Pending CN109839329A (en) | 2017-11-28 | 2017-11-28 | A kind of shock type density meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109839329A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441194A (en) * | 2019-09-04 | 2019-11-12 | 上海乐研电气有限公司 | A kind of gas density relay of self-test contact contact resistance |
-
2017
- 2017-11-28 CN CN201711214615.4A patent/CN109839329A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441194A (en) * | 2019-09-04 | 2019-11-12 | 上海乐研电气有限公司 | A kind of gas density relay of self-test contact contact resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209343990U (en) | A kind of high-precision gas density monitor | |
| CN101192484B (en) | Vibration-resisting type pointer type SF6 gas density relay | |
| CN103594284B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN102013357A (en) | Sulfur hexafluoride gas density relay | |
| CN103456561B (en) | High-precision sulfur hexafluoride gas density relay | |
| CN103700541B (en) | A kind of sulfur hexafluoride gas density relay of thin type | |
| CN109839329A (en) | A kind of shock type density meter | |
| CN102543571B (en) | Anti-vibration sulfur hexafluoride gas density relay | |
| KR20200090914A (en) | Gas density relay precision improvement method and high precision gas density relay | |
| CN207367875U (en) | A kind of sulfur hexafluoride gas density relay and antivibration mount | |
| CN103715010B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN105513891A (en) | Sulfur hexafluoride gas density relay, shockproof method and shockproof device | |
| CN208091850U (en) | A kind of quake-proof type density meter | |
| CN203674073U (en) | Sulfur hexafluoride gas density relay | |
| CN103456560A (en) | High-shock-resistance sulfur hexafluoride gas density relay | |
| CN203521303U (en) | Sulfur hexafluoride gas density relay | |
| CN103456562B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN103456563B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN202549717U (en) | Vibration-proof sulfur hexafluoride gas density relay | |
| CN205508709U (en) | Sulfur hexafluoride gas density relay | |
| CN207703253U (en) | Quake-proof type electro connecting pressure gauge | |
| CN203774177U (en) | Thin sulfur hexafluoride gas density relay | |
| CN101387891A (en) | Vibration resistant pointer type SF6 gas density controller | |
| CN201570439U (en) | Vibration resistance pointer type SF6 gas density relay | |
| CN201478199U (en) | Sulphur hexafluoride gas density relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |