CN105513891B - A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount - Google Patents
A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount Download PDFInfo
- Publication number
- CN105513891B CN105513891B CN201610051375.XA CN201610051375A CN105513891B CN 105513891 B CN105513891 B CN 105513891B CN 201610051375 A CN201610051375 A CN 201610051375A CN 105513891 B CN105513891 B CN 105513891B
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- China
- Prior art keywords
- rotating member
- gas density
- microswitch
- sulfur hexafluoride
- driving lever
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
- H01H35/28—Compensation for variation of ambient pressure or temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
Abstract
A kind of method of the antivibration mount of sulfur hexafluoride gas density relay, a kind of sulfur hexafluoride gas density relay and raising sulfur hexafluoride gas density relay resistance to shock, when gas density relay is impacted or is vibrated, the driving lever of antivibration mount is swung by rotating member and the contact motion arm of each microswitch is allocated to the direction of pressure increase, make signal generator away from the position malfunctioned, signal regulation mechanism is avoided in the normal mistiming trigger signal generator of gas density, greatly improves the resistance to shock of density monitor.
Description
Technical field
The present invention relates to a kind of gas density relay, more particularly to a kind of high antivibration sulfur hexafluoride gas density relay
Device, a kind of antivibration mount of sulfur hexafluoride gas density relay and raising sulfur hexafluoride gas density relay vibration resistance
The method of energy.
Background technology
At present, in sulfur hexafluoride electrical equipment, it is microswitch without oil type gas density relay generally to use contact
To monitor sulfur hexafluoride gas density, as Chinese patent or patent application CN1971795B, CN2881935Y, CN2870137Y,
CN2809852Y, CN1996529B, CN101192484B, CN101387891B, CN102013357A, CN201804791U and
Gas density relay disclosed in CN101847544A (as depicted in figs. 1 and 2), generally comprises connector 1, with display enlarger
It is the movement 2 of structure, housing 3, dial 4, pointer 5, Baden pipe 6, temperature compensating element 7, junction block 8, microswitch 91-93, fixed
Position plate 11, fixed plate 12, electric wire 13, regulating part 141-143, connecting rod 15, crossbeam 16, extension section 162, watch crystal 17, case
18th, pedestal 19, sulfur hexafluoride gas delivery pipe 20, end seat 24 and printed circuit board and.Wherein：Connector 1, junction block 8, table glass
Glass 17, case 18 and pedestal 19 are separately fixed on housing 3；Movement 2 and fixed plate 12 are separately mounted on pedestal 19, pointer 5
It is separately fixed at dial 4 on movement 2；One end of Baden pipe 6 is welded on pedestal 19, and the other end passes through end seat 24 and temperature
One end connection of compensating element, 7, the other end of temperature compensating element 7 are connected with crossbeam 16, one end and the connecting rod 15 of crossbeam 16
One end connection, the other end of connecting rod 15 is connected with movement 2.Extension section 162 is the extension section of crossbeam 16, on extension section 162
It is fixed with regulating part 141,142,143.Microswitch 91,92,93 is respectively welded on a printed circuit board, printed circuit board installation
In fixed plate 12, fixed plate 12 is in turn mounted on pedestal 19.Microswitch 91,92,93 is fixed on regulating part correspondingly
141st, 142,143 lower section.Operation handle 911,921,931 is respectively equipped with each microswitch.12 rear end of positioning plate is fixed on
On movement 2, and front end extends to the lower section for the end seat 24 that Baden pipe 6 is connected with temperature compensating element 7.Microswitch 91,92,
93 contact is connected on junction block 8 by electric wire 13 from printed circuit board, and junction block 8 is fixed on housing 3.
Although used microswitch has the advantages that good electric property to these above-mentioned gas density relays, but due to
The length of extension section 16 is longer, and is a cantilever beam, when operating sulphur hexafloride circuit breaker, causes extension section 16 to vibrate very big,
And then cause sulfur hexafluoride gas density relay to malfunction, or even occur damaging microswitch, performance is lost completely,
Resistance to shock is poor in a word, it is difficult to ensures system reliably working.
In gas density relay disclosed in patent CN1996529A, CN101192484A (see Fig. 3 and Fig. 4), adopted
Microswitch has the advantages that good electric property, but since the length of crossbeam and its extension section is longer, and be a cantilever
Beam, when operating sulphur hexafloride circuit breaker, causes crossbeam vibration very big, and then cause sulfur hexafluoride gas density relay to miss
Action, that is to say, that its resistance to shock is bad, it is impossible to ensure system reliably working, the safe operation to power grid brings greatly hidden
Suffer from.These sulfur hexafluoride gas density relays cannot meet the reclosing requirement of sulphur hexafloride circuit breaker, i.e. the blowing pressure at the same time
When (density) is below alarm pressure value, it is impossible to the impact test of 50g, 11ms are born, because locking contact can miss at this time
Action.Such as：0.6/0.52/0.5 density monitor, when gas pressure (density) drops to actuation of an alarm point carry out 50g,
The impact test of 11ms, locking contact can malfunction, and carry out locking to switch, it is impossible to meet the weight of sulphur hexafloride circuit breaker
Close a floodgate and require.Its resistance to shock is also undesirable in a word, it is difficult to ensures system reliably working.
Also wrapped in gas density relay disclosed in patent CN201804791U and CN101847544A (see Fig. 5 and Fig. 6)
Displacement amplifying mechanism is included, the initiating terminal of the displacement amplifying mechanism and the other end of temperature compensating element connect, and amplify end driving
The contact operation handle of microswitch, makes the contact on microswitch or disconnection；When gas density value changes, bar
Step on pipe and temperature compensating element produces displacement, which passes to microswitch after amplifying by displacement amplifying mechanism, make fine motion
Switch sends corresponding signal, completes the function of density monitor.However, when sulphur hexafloride circuit breaker carries out breaking-closing operating, meeting
Vibration is produced to Baden pipe and temperature compensating element, this vibration can cause Baden pipe and temperature compensating element to be subjected to displacement, this
Kind displacement passes to microswitch after amplifying also by displacement amplifying mechanism, microswitch is sent corresponding signal.Thus
Malfunction can be produced, that is to say, that its resistance to shock is bad, it is impossible to ensure system reliably working, the safe operation to power grid is brought
Great hidden danger.These sulfur hexafluoride gas density relays can not meet the reclosing requirement of sulphur hexafloride circuit breaker at the same time,
When i.e. the blowing pressure (density) is below alarm pressure value, it is impossible to the impact test of 50g, 11ms are born, because locking connects at this time
Point can malfunction.Such as：0.6/0.52/0.5 density monitor, when gas pressure (density) drops to actuation of an alarm point
The impact test of Shi Jinhang 50g, 11ms, locking contact can malfunction, and carry out locking to switch, it is impossible to meet lithium
The reclosing requirement of sulphur switch.And the problem of patent CN2809852Y, is similar to patent CN101847544A, and can be vibration
Caused displacement passes to microswitch (i.e. by controlling sector gear to pass to control machine after amplifying by displacement amplifying mechanism
Mandrel, then through controlling machine mandrel to pass to microswitch), displacement caused by vibration is so greatly amplified, equivalent to making to shake
It is dynamic to become readily apparent from.Since in sulphur hexafloride circuit breaker breaking-closing operating, vibration is very big, it is accordingly required in particular to which resistance to shock is more preferable
Gas density relay, above-mentioned gas density monitor cannot then be met the requirements.
In addition, a kind of gas density relay disclosed in patent CN101387891B (see Fig. 7), contact also use fine motion
Switch, is also provided with regulating part 141 to 143 corresponding with microswitch and contact operating shaft 16, wherein, contact operating shaft 16
One end sector gear for being connected to movement 2 shaft 24 on and rotate with the shaft 24 of the sector gear, the contact operating shaft
Compartment of terrain radially offers and the corresponding threaded perforations of microswitch 91 to 93, regulating part 141 to 143 along its length on 16
It is plugged on correspondingly in threaded perforations and its end is resisted against on the motion arm of microswitch 91-93.By being fixed on
Contact operating shaft 16 in the shaft 24 of sector gear rotates, and makes the regulating part 141 to 143 being fixed in the contact operating shaft 16
Microswitch 91 to 93 is driven to act.But the rotational angle very little of the shaft 24 due to sector gear, the precision of product drops
It is low.More seriously, since the actuating length of microswitch motion arm is short, and regulating part 141 to 143 is using adjusting spiral shell
Nail, when Baden pipe 6 moves, drives the sector shaft 24 of movement 2 to rotate, and can cause adjusting screw rotates to encounter microswitch
Motion arm, driving motion arm by the movable contact to compress switch, when the end face for turning to adjusting screw and the motion arm of microswitch
In the case of vertical, adjusting screw is stuck and cannot be rotated further, so difficult to realize -0.1 to 0.9MPa gamut
Density monitor, is particularly difficult to realize be initiated with the display of -0.1MPa, like this, can not just be shown when vacuumizing, it is difficult to
Promote and apply.
In conclusion innovation to sulfur hexafluoride gas density relay, especially improve sulfur hexafluoride gas density after
The antivibration effect of electric appliance, is still in demand.
The content of the invention
For current gas density relay there are the problem of, the present invention provides a kind of sulfur hexafluoride gas density relay
Device antivibration mount, the method for improving sulfur hexafluoride gas density relay antivibration effect and a kind of sulfur hexafluoride gas density
Relay.
The first aspect of the present invention is to provide a kind of antivibration mount of sulfur hexafluoride gas density relay, including：It is fixed
Seat, the first rotating member, the first elastomeric element and driving lever, wherein, the fixed seat is equipped with the shaft stretched out, and the first rotating member connects
It is connected in the shaft and can be rotated around the shaft, and lever, the first end of the first rotating member is formed by fulcrum of shaft
The driving lever is connected, the center of gravity of the first rotating member is located in second end, the elastic force of first elastomeric element and the first rotation
The gravity of part makes the first rotating member keep balance by lever principle.
In a kind of more preferred embodiment, the fixed seat is two parallel plates, driving lever and shaft with the first rotating member
It is each perpendicular to fixed seat and the first rotating member.
In a kind of more preferred embodiment, the fixed seat is equipped with notch and reserves zone of action for driving lever.
In a kind of more preferred embodiment, the antivibration mount further includes the second rotating member and the second elastomeric element, and second
Rotating member is connected in shaft and can rotate around the axis；Second rotating member can promote first rotating member around the shaft
Rotate；The center of gravity of second rotating member is not located at its center of rotation.
Wherein, first rotating member and the second rotating member can share a shaft or independently
It is connected in different shafts.
Alternatively, in another more preferred embodiment, the antivibration mount further includes vibrating member and the second elastomeric element, shakes
Moving part is connected to beside the first rotating member by the second elastomeric element；The vibrating member can promote described first turn in vibration
Moving part rotates around the axis.
It is highly preferred that the edge of first rotating member towards the second rotating member or vibrating member is equipped with elastic component, and/or
The edge of person, the second rotating member or vibrating member towards the first rotating member is equipped with elastic component.
In a kind of more preferred embodiment, the motion amplitude of the second rotating member or vibrating member is more than the first rotating member.More
In preferred embodiment, the first elastomeric element coefficient of elasticity is preferably greater than the coefficient of elasticity of the second elastomeric element.
In a kind of more preferred embodiment, the fixed seat is equipped with connector, and the second elastomeric element is connected to connector
Between the second rotating member or vibrating member.
In a kind of more preferred embodiment, first rotating member is between the second rotating member and fixed seat.
In a kind of more preferred embodiment, second rotating member is parallel to the fixed seat and first rotating member
Plate.
In a kind of more preferred embodiment, the fixed seat is equipped with the first rotating member of limitation and/or the second rotating member most
The limit element of big rotation amplitude, and/or the limit element of limitation vibrating member maximum range of motion.
In a kind of more preferred embodiment, the fixed seat, the first rotating member, the second rotating member are the plate being parallel to each other,
Connector is located at the bottom of the gap of fixed seat, and shaft is located at the part in the middle part of fixed seat or more than middle part.
In a kind of more preferred embodiment, driving lever is located at the first end of the first rotating member, and the second end of the first rotating member is set
There is protrusion, second rotating member and/or vibrating member are by promoting raised realize to promote the first rotating member to rotate around the axis.
In a kind of more preferred embodiment, a side of first rotating member towards the second rotating member and/or vibrating member
Edge, which is formed, promotes area, and second rotating member and/or vibrating member can contact the promotion area and drive turning for the first rotating member
It is dynamic.In more preferred embodiment, the promotion area is equipped with flexible member, and/or, second rotating member and/or vibration
Part is towards the first rotating member and is preferably the edge or end for promoting area, equipped with flexible member.
In a kind of more preferred embodiment, second rotating member is divided into first end and second end using shaft as boundary, and second
Elastomeric element one end is connected on connector, and the other end is connected on the side of second end；First end is connected with driving part, the
Two rotating members push or pull on the rotation of the first rotating member by the driving part, more preferably push or pull on first turn
The rotation of moving part first end.
Second aspect of the present invention is to provide a kind of sulfur hexafluoride gas density relay, including the first aspect of the present invention
The antivibration mount, further includes the microswitch being arranged side by side, the motion arm of the microswitch towards same direction,
Beside the microswitch being arranged side by side, the fixed seat and first rotating member, the fine motion that driving lever edge is arranged side by side are provided with
Switch extension, and the motion arm of microswitch can be stirred when the first rotating member rotates.
Wherein it is possible to be the motion arm of microswitch between microswitch body and driving lever；Or driving lever is positioned at behaviour
Make between arm and microswitch body；Alternatively, can be multiple driving levers, motion arm be arranged between the multiple driving lever；And preferably
For microswitch motion arm between microswitch body and driving lever.
Wherein, it is described stir can be promote either pull or two kinds effect and meanwhile exist.
In an advantageous embodiment, the second elastomeric element can be connected in sulfur hexafluoride gas density relay
On other fixed positions, or it is connected in fixed seat.
In an advantageous embodiment, the fixed seating is between the first rotating member and the microswitch being arranged side by side,
The driving lever extends across fixing piece and along the microswitch being arranged side by side.
In a kind of more preferred embodiment, shock liquid is filled with the sulfur hexafluoride gas density relay.
In a kind of more preferred embodiment, the microswitch can also be substituted by magnetic-type electrical contact.
In an advantageous embodiment, the sulfur hexafluoride gas density relay further includes housing, is arranged in housing
Pedestal, end seat, Baden pipe, temperature compensating element, movement, signal regulation mechanism, one end of the end seat and the Baden pipe
Connection, the other end of the Baden pipe are connected on the pedestal.
In a kind of more preferred embodiment, second elastomeric element one end is connected in housing, and the other end is connected to second turn
On moving part.
In a kind of more preferred embodiment, the sulfur hexafluoride gas density relay includes housing, is arranged in housing
And mutually independent signal control portion and indicating value display portion, wherein：
The signal control portion includes the first pedestal, the first end seat, the first Baden pipe, the first temperature compensating element, letter
Number adjusting mechanism；One end of first Baden pipe is connected on first pedestal, and the other end of first Baden pipe leads to
One end that first end seat is crossed with first temperature compensating element is connected；
The indicating value display portion includes the second Baden pipe, second temperature compensating element, the second pedestal, the second end seat, machine
Core and pointer, one end of second Baden pipe are connected on second pedestal, and the other end of second Baden pipe passes through
Second end seat is connected with one end of the second temperature compensating element, the other end of the second temperature compensating element, and institute
State the initiating terminal connection of movement, the center axis connection of the pointer and the movement.
Third aspect of the present invention is to provide a kind of method for improving sulfur hexafluoride gas density relay resistance to shock, bag
Include：
Sulfur hexafluoride gas density relay has been arranged side by side microswitch, and the motion arm of the microswitch is towards same
A direction, is provided with the first rotating member beside the microswitch being arranged side by side；First rotating member is connected in shaft, and to turn
Axis is divided into first end and second end for boundary, and the center of gravity of the first rotating member is located at second end, and first end is connected with driving lever, and driving lever is along simultaneously
The microswitch extension that row is set；First rotating member connects the first elastomeric element, the elastic force of the first elastomeric element and first turn
The gravity of moving part makes the first rotating member keep balance by lever principle；
When sulfur hexafluoride gas density relay vibrates, the first rotating member overcomes the first elasticity under effect of inertia
The effect of the gravity of the elastic force of component and the first rotating member starts to rotate around the axis, and in the rotation process, driving lever is stirred micro-
The motion arm of dynamic switch, makes microswitch away from the position malfunctioned；
During vibration disappearance, under the effect of the first rotating member gravity, the first elastomeric element elastic force and lever principle, the
One rotating member rotates to its initial position and gradually recovers its initial position, and effect of the driving lever to motion arm is gradually decrease to disappear
Lose.
In a kind of more preferred embodiment, the described method includes：
Sulfur hexafluoride gas density relay is additionally provided with the second rotating member, the second elastomeric element, and the second rotating member is connected to
In shaft, and rotate around the axis, the center of gravity of the second rotating member is not located at its center of rotation；
When sulfur hexafluoride gas density relay is vibrated, the first rotating member overcomes the first elastic portion under effect of inertia
The gravity of the elastic force of part and the first rotating member starts to rotate around the axis, and in the rotation process of the first rotating member, driving lever is dialled
The motion arm of dynamic microswitch, makes microswitch away from the position malfunctioned；The second rotating member is under effect of inertia at the same time
The elastic force of the second elastomeric element and the gravity of the second rotating member is overcome to start to rotate around the axis, and the second rotating member rotation amplitude is more
Greatly, so as to contact the first rotating member and/or driving lever in rotation process, and the first rotating member and/or driving lever are given in rotation side
Upward First Driving Force, continues to drive the first rotating member and/or driving lever to stir motion arm or maintain the position of motion arm；
During vibration disappearance, this first rotating member is acted in its gravity, the first elastomeric element elastic force and lever principle
Lower to be rotated to its initial position, effect of the driving lever to motion arm progressively reduces, and is driven giving the second rotating member with above-mentioned first
Second driving force of power reverse；Elastic force and second driving force of second rotating member in its gravity and the second elastic component
Rotate and progressively recover to its initial position to its initial position under effect, while the second rotating member postpones the by reaction force
The recovery of one rotating member, makes microswitch extend the time away from the position malfunctioned；
While the second rotating member recovers to its initial position, before or after, the first rotating member recovers initial to its
Position, event resolves of the driving lever to motion arm.
In a kind of more preferred embodiment, the described method includes：
Sulfur hexafluoride gas density relay is additionally provided with vibrating member, the second elastomeric element, and vibrating member passes through the second elastic portion
Part is connected to beside the first rotating member；The vibrating member can promote first rotating member to rotate around the axis in vibration；
When sulfur hexafluoride gas density relay is vibrated, the first rotating member overcomes the first elastic portion under effect of inertia
The gravity of the elastic force of part and the first rotating member starts to rotate around the axis, and in the rotation process of the first rotating member, driving lever is dialled
The motion arm of dynamic microswitch, makes microswitch away from the position malfunctioned；Vibrating member overcomes under effect of inertia at the same time
The elastic force of second elastomeric element and the gravity of vibrating member start to vibrate, thus contacted in vibration processes the first rotating member and/or
Driving lever, and give the First Driving Force of the first rotating member and/or driving lever in rotation direction, continue to drive the first rotating member and/
Or driving lever stirs motion arm or maintains the position of motion arm；During vibration disappearance, the first rotating member is in its gravity, the first elasticity
Rotated under component elastic force and lever principle effect to its initial position, effect of the driving lever to motion arm progressively reduce, and to
Give vibrating member second driving force reverse with above-mentioned First Driving Force；Vibrating member the elastic force of its gravity and the second elastic component, with
And move and progressively recover to its initial position to its initial position under second driving force effect, while vibrating member pass through it is anti-
The recovery of the first rotating member of force delay is acted on, microswitch is extended the time away from the position malfunctioned；
While vibrating member recovers to its initial position, before or after, the first rotating member recovers to its initial position,
Event resolves of the driving lever to motion arm.
In a kind of more preferred embodiment, the method for the invention is using the antivibration mount described in first aspect.
In a kind of more preferred embodiment, the sulfur hexafluoride gas density relay described in the method for the invention, is adopted
With the sulfur hexafluoride gas density relay described in second aspect.
In an advantageous embodiment, vibration of the present invention can be due to the vibration that gas shock produces, especially
The vibration that gas shock produces during opening or closing of sulfur hexafluoride gas pipe switch.
In a kind of more preferred embodiment, the driving lever stirs motion arm to the direction that gas density increases.
In a kind of more preferred embodiment, second rotating member can directly drive the first rotating member to dial to drive
Bar or driving lever is directly driven to drive the first rotating member；Equally, driving lever or the first rotating member can also directly or indirectly be given
Second rotating member reaction force.
The present invention provides a kind of antishock device, a kind of sulfur hexafluoride gas density relay and improve its antivibration effect
Method, by increasing the anti-error operation mechanism with delay function, make its resistance to shock higher, and signal generator
Contacts and electric property are more preferable, long working life, and precision is high.Gas density relay of the present invention includes lithium
Sulphur gas density relay, sulfur hexafluoride gas mixture density monitor, nitrogen gas density monitor, dry air gas are close
Spend the various gas density relays such as relay, carbon dioxide density monitor, compressed air density monitor.
Brief description of the drawings
Fig. 1 is the structure diagram of the first pointer sulfur hexafluoride gas density relay of the prior art；
Fig. 2 is the partial side view of pointer sulfur hexafluoride gas density relay shown in Fig. 1；
Fig. 3 is the structure diagram of second of pointer sulfur hexafluoride gas density relay of the prior art；
Fig. 4 is the partial side view of pointer sulfur hexafluoride gas density relay shown in Fig. 3；
Fig. 5 is the structure diagram of the third pointer sulfur hexafluoride gas density relay of the prior art；
Fig. 6 is the partial side view of pointer sulfur hexafluoride gas density relay shown in Fig. 5；
Fig. 7 is the structure diagram of the 4th kind of pointer sulfur hexafluoride gas density relay of the prior art；
Fig. 8 is the structure diagram of the first sulfur hexafluoride gas density relay of the present invention；
Fig. 9 is the partial side view of sulfur hexafluoride gas density relay of the present invention shown in Fig. 8；
Figure 10 is the partial rear view (normal condition) of the first sulfur hexafluoride gas density relay of the present invention；
Figure 11 is the partial rear view (state during impact) of the first sulfur hexafluoride gas density relay of the present invention；
Figure 12 is antivibration mount structure diagram in the first sulfur hexafluoride gas density relay of the invention；
Figure 13 is the partial side view of the antivibration mount in a kind of sulfur hexafluoride gas density relay of the present invention；
Figure 14 is the structure diagram of second of sulfur hexafluoride gas density relay of the present invention；
Figure 15 is the middle antivibration mount structure diagram of the third sulfur hexafluoride gas density relay of the present invention；
Figure 16 is the middle antivibration mount structure diagram of the 4th kind of sulfur hexafluoride gas density relay of the present invention.
Embodiment
In order to preferably understand technical scheme, below by specific embodiment and with reference to attached drawing
It is described in detail.
Embodiment 1
With reference to Fig. 8 to Figure 13, the sulfur hexafluoride gas density relay in the first embodiment of the invention, mainly by connecing
First 1, movement 2, housing 3, dial 4, pointer 5, Baden pipe 6, temperature compensating element 7,8, three microswitches 91 of junction block,
92nd, 93, printed circuit board 10, positioning plate 11, fixed plate 12, electric wire 13, signal regulation mechanism (adjusting rod 141,142,143),
Connecting rod 15, crossbeam 16, watch crystal 17, cover circle 18, pedestal 19, deferent 20, antivibration mount 21, microswitch reinforcing mechanisms 23,
The grade of end seat 24 forms.
Wherein, it is fixed on reference to Fig. 8 and Fig. 9, connector 1 on housing 3, movement 2 is fixed on pedestal 19；The one of Baden pipe 6
End is welded on pedestal 19 and in communication, and the other end is connected by end seat 24 with one end of temperature compensating element 7, temperature benefit
The other end for repaying piece 7 is connected with crossbeam 16；Be fixed with crossbeam 16 signal regulation mechanism three adjusting rods 141,142,
143；Crossbeam 16 is connected with connecting rod 15 again, and connecting rod 15 is connected with movement 2 again；Three microswitches 91,92,93 are distinguished
It is fixed on printed circuit board 10, printed circuit board 10 is fixed in fixed plate 12, and fixed plate 12 is in turn mounted on pedestal 19, and
And three microswitches 91,92,93 are correspondingly arranged at the top of each adjusting rod 141,142,143, three microswitches 91,92,
93 lower end difference attended operation arm 911,921,931；The contact of three microswitches 91,92,93 is by electric wire 13 from print
Circuit board 10 processed is connected to the outer surface of junction block 8, and junction block 8 is fixed on the outer surface of housing 3；Microswitch reinforcing mechanisms 23
It is fixed on three microswitches 91,92,93, the form of microswitch reinforcing mechanisms 23 is unrestricted, can variation；Positioning
Plate 11 is fixed on the movement 2；Pointer 5 and dial 4 are separately fixed on movement 2；Watch crystal 17 and cover circle 18 are separately fixed at
On housing 3, the mechanism inside energy protective housing 3 is from mechanical damage and dirt, rainwater intrusion；One end of deferent 20 and pedestal 19
It is connected, and reliable sealing, the other end of deferent 20 are connected with connector 1, and reliable sealing.
With reference to Figure 12 and Figure 13, antivibration mount 21 mainly includes the first rotating member 211, shaft 212, fixed seat 213, driving lever
214th, the first spring 215 and follow-up time-delay mechanism, follow-up time-delay mechanism are made of second spring 217, the second rotating member 216, the
One end of two springs 217 is connected to the second rotating member 216, and the other end is connected on fixing piece 218, and fixing piece 218 is fixed on
In fixed seat 213.
217 one end of second spring is connected on the second rotating member 216, the other end is fixed on fixed seat by fixing piece 218
Upper 213.Fixed seat 213 is fixed on microswitch reinforcing mechanisms 23 or pedestal 19 or movement 2, and shaft 212 is fixed on fixed seat
On 213, the center of rotation and center of gravity of the first rotating member 211 are fabricated to obliquely downward that is non-concentric and being located at center of rotation with center of gravity
Mode be installed on shaft 212 on, driving lever 214 be vertically mounted on the upper end of rotating member 211 and be resisted against three microswitches 91,
92nd, on 93 contact motion arm 911,921,931.
In the present embodiment, 215 one end of the first spring is fixed, on other end connection driving lever 214, on initial position, and the first bullet
Spring 215 can be the first rotating member 211 provide elastic force (elastic force can not also be provided, i.e., elastic force be 0), the first rotating member 211 with
The point of connection rotating shaft 212 forms lever for fulcrum, and driving lever 214 is in first end, and the center of gravity of the first rotating member 211 is in second end, weight
Power and elastic force (elastic force can be 0) make the first rotating member 211 realize balance by lever principle.
Similar, the center of rotation and center of gravity of the second rotating member 216 are non-concentric and in the shaft 212, and
Gravity and the elastic force of second spring 217 (elastic force can be 0) make the second rotating member 216 realize balance by lever principle.
In an advantageous embodiment, the coefficient of elasticity of second spring 217 is less than the coefficient of elasticity of the first spring 215, because
This, the second rotating member 216 is easier to rotate when being subject to external force, but can also by gravity, elastomeric element elastic force,
And same or like effect is realized in the design of bar rod principle.Second rotating member 216 can encounter the first rotating member in vibration
211 or/and driving lever 214, for example, being equipped with protrusion towards the side of the second rotating member 216 in the first rotating member 211, second rotates
Part 216 is in rotation process to the first rotating member 211 pressure active force after contact projection.Alternatively, the second rotating member 216 is with connection
The point of shaft 212 is boundary, and first end is equipped with driving part 219, and in 216 rotation process of the second rotating member, actuator 219 contacts
The first end or driving lever 214 of first rotating member 211, so as to give the first actuator 21 and/or driving lever 214 active force.So as to push away
Into the first rotating member 211 and/or driving lever 214, the motion arm of each microswitch is set to be stirred toward the direction that gas density increases, or
The first rotating member 211 and/or driving lever 214 is helped to maintain the position of motion arm 911-931, extension makes the microswitch away from hair
The time of the position of raw malfunction.Second rotating member is acted on follow-up delay function, i.e. the second rotating member, the second elastomeric element
Constitute follow-up time-delay mechanism.By follow-up time-delay mechanism, extending makes the microswitch away from the position malfunctioned
Time, it is affected by vibrations thoroughly to escape density monitor, avoids the signal regulation mechanism in the normal mistiming of gas density
Trigger the microswitch.
Fixed seat is equipped with locating part, for limiting the maximum rotation amplitude of the first rotating member and/or the second rotating member, limit
Position part can be integrally fixed on fixed seat 213 or microswitch reinforcing mechanisms 23 or pedestal 19, if locating part in the present embodiment
Fixing piece 218 is directly used, i.e. fixing piece 218 has the position-limiting action to the first rotating member 211.Above-mentioned design may insure
When gas density relay is impacted or vibrated, driving lever 214 will not damage the contact motion arm of microswitch.Fixing piece 218
It can also be fixed in housing.In addition another locating part can also be set, the amplitude of fluctuation of the second rotating member 216 can be limited
(see Fig. 9-Figure 13).
The first sulfur hexafluoride gas density relay of the present invention, its operation principle is to be based on flexible member Baden pipe 6,
The pressure and temperature of change is modified using temperature compensating element 7, reacts the change of sulfur hexafluoride gas density.I.e. in quilt
Survey under the pressure effect of medium sulfur hexafluoride gas, because of the effect of temperature-compensating plate 7, the gas density in electric switch
The change of value, pressure value also change accordingly, force the end of Baden pipe 6 to produce corresponding elastic deformation-displacement, by means of
Temperature-compensating plate 7 and connecting rod 15 pass to movement 2, and movement 2 passes to pointer 5 again, then that tested sulfur hexafluoride gas is close
Angle value indicates on dial 4.If electric switch gas leakage, density value declines (to be reached alarm or closes to a certain extent
Drop lock), Baden pipe 6 is produced accordingly to bottom offset, makes crossbeam 16 to bottom offset by temperature-compensating plate 7, the tune on crossbeam 16
Pole 141,142,143 just gradually from corresponding microswitch 91,92,93, to a certain extent when, corresponding microswitch 91,92,
93 contact is switched on, and sends corresponding signal (alarm or locking), reaches six in the equipment such as monitoring and control electric switch
Sulfur fluoride gas density, makes electrical equipment trouble free service.If the density value in electric switch increases, pressure value is also corresponding
Rise, to a certain extent, Baden pipe 6 is also produced and shifted up accordingly, by temperature-compensating plate 7, makes crossbeam 16 upward for rise
Displacement, the adjusting rod 141,142,143 on crossbeam 16 just shift up and promote the contact of corresponding microswitch 91,92,93
Disconnect, signal (alarm or locking) just releases.
When gas density relay is impacted or is vibrated, due to the center of gravity of the first rotating member 211 of antivibration mount 21
Positioned at the obliquely downward of its center of rotation, and driving lever 214 is located at the upper end of the first rotating member 211, first turn of anti-antivibration mount 21
Moving part 211 will produce clockwise oscillation (being clockwise in fig. 11 see Figure 11 directions of arrow), and driving lever 214 is three fine motions
The contact motion arm 911,921,931 of switch 91,92,93 stirs (see Figure 11) toward the direction that density (pressure) increases, and makes three
The remote position malfunctioned of microswitch 91,92,93, while when gas density relay is impacted or is vibrated, the
Two rotating members 216 will produce clockwise oscillation (see Figure 11, the direction of arrow), since 217 coefficient of elasticity of second spring is small,
Second rotates 216 amplitude of fluctuation biggers, the rotating member 211 or/and driving lever 214 of anti-error operation mechanism can be encountered, to first turn
Moving part 211 and/or driving lever 214 apply active force, the direction for making the contact motion arm of each microswitch increase toward gas density
Stir, extending makes time of the microswitch away from the position malfunctioned, avoids signal regulation mechanism in gas density
Three microswitches of false triggering 91,92,93 when normal.It is subject to sulphur hexafloride circuit breaker divide-shut brake to produce in gas density relay
Shock and vibration when, the driving lever 214 of antivibration mount 21 is swung by the first rotating member 211 and the contact of each microswitch
Motion arm 911,921,931 stirs toward the direction that gas density increases, and makes microswitch 91,92,93 away from malfunctioning
Position, and by follow-up time-delay mechanism, extending makes time of the microswitch 91,92,93 away from the position malfunctioned, thoroughly
Influence of the shock and vibration of sulphur hexafloride circuit breaker divide-shut brake generation to density monitor is escaped, avoids the signal regulation mechanism
The microswitch described in false triggering when gas density is normal.
The first sulfur hexafluoride gas density relay of the present invention is being rushed using the first rotating member 211 of antivibration mount 21
Also swing can be produced when hitting, and by follow-up time-delay mechanism, extending makes microswitch 91,92,93 away from the position malfunctioned
The time put, equivalent to making signal generator (microswitch) escape impact, therefore substantially increases the anti-of density monitor
Shake performance.And when not impacted, i.e., normal condition when, because of the effect of the first spring 215, in gravity, spring
Under elastic force and lever principle effect, the first rotating member 211 will not be rotated optionally, and driving lever 214 is adjacent only in each fine motion
On the contact motion arm of switch, so as to can ensure that the first rotating member 211 and driving lever 214 do not interfere with the contact operation of microswitch
The normal work of arm.First rotating member 211 and driving lever 214 can be an overall structure or the split being installed together
Structure, its shape can be various.
Above-mentioned microswitch and adjusting rod is not limited to three, can also be one, two, four or five.
In addition the structure of the anti-error operation mechanism with time-delay mechanism can be various, and form can be various.
Embodiment 2
See Figure 14, second of sulfur hexafluoride gas density relay of the invention, compared with the first relay, housing
3 have good leakproofness, therefore can also be in housing 3 filled with shock liquid, and the effect of shock liquid, is subject to gas density relay
Impact or vibration when, the second rotating member 216 will produce swing, and can encounter anti-error operation mechanism rotating member 211 or/and
Driving lever 214, makes the contact motion arm of each microswitch be dialled toward the direction that gas density increases, the damping plus shock liquid is made
With more extending makes time of the microswitch away from the position malfunctioned, avoids signal regulation mechanism close in gas
Three microswitches of false triggering 91,92,93 when spending normal.The resistance to shock of sulfur hexafluoride gas density relay is set more to increase.
The structure of first rotating member can be designed to：Resistance small (the damping when direction increased to density (pressure) is swung
It is small), and resistance is big (damping is big) when the direction reduced to density (pressure) is swung.
Embodiment 3
See Figure 15, the third sulfur hexafluoride gas density relay of the invention, compared with the relay in embodiment 1
Compared with the sulfur hexafluoride gas density relay is additionally provided with vibrating member 216A (substituting the second rotating member 216), the second elastomeric element
217.Second elastomeric element, 217 one end is connected on fixing piece 218, other end connection vibrating member 216A.
In the present embodiment, vibrating member 216A is connected to beside the first rotating member by the second elastomeric element 217；First turn
Moving part 211 forms a promotion area towards the edge of vibrating member 216A, and the vibrating member 216A can contact described in vibration
Area is promoted, and promotes first rotating member 211 212 to rotate around the shaft；While vibrating member 216A the first rotating members 211 of direction
End, is additionally provided with a flexible member 2161.It is to be understood that the vibrating member 216A can also use it is similar
Mode is arranged on the side of driving lever 214, vibrating member 216A is directly contacted driving lever 214 in vibration.
When the sulfur hexafluoride gas density relay is vibrated, the first rotating member 211 overcomes first under effect of inertia
The gravity of 215 and first rotating member 211 of elastic force of elastomeric element starts to rotate around the axis, in the rotation of the first rotating member
Cheng Zhong, driving lever 214 stir the motion arm of microswitch, make microswitch away from the position malfunctioned；Vibrating member at the same time
216A overcomes the elastic force of the second elastomeric element 217 and the gravity of vibrating member to start to vibrate under effect of inertia, so that vibrated
The first rotating member 211 and/or driving lever 214 are contacted in journey, and gives the first rotating member 211 and/or driving lever 214 in rotation direction
First Driving Force, continue to drive the first rotating member 211 and/or driving lever 214 to stir motion arm or maintain the position of motion arm.By
Also contain a flexible member 2161, the promotion area of 2161 and first rotating member 211 of flexible member and/or and driving lever in vibrating member
214 can compress when being in contact, and increase both times of contact, extend driving lever by the motion arm of microswitch to gas density
The time that the direction of increase is stirred, i.e., more extending makes time of the microswitch away from the position malfunctioned.
During vibration disappearance, the first rotating member 211 is in its gravity, 215 elastic force of the first elastomeric element and lever principle
Rotated under effect to its initial position, effect of the driving lever 214 to motion arm progressively reduce, and give vibrating member 216A with it is above-mentioned
The second reverse driving force of First Driving Force；Vibrating member 216A is in its gravity and the elastic force of the second elastic component and described second
Move and progressively recover to its initial position to its initial position under driving force effect, while vibrating member 216A passes through reaction force
Postpone the recovery of the first rotating member, microswitch is extended the time away from the position malfunctioned；Vibrating member recover to
While its initial position, before or after, the first rotating member recovers to its initial position, effect of the driving lever to motion arm to disappear
Lose.
Vibrating member 216A is acted on follow-up delay function, i.e., vibrating member, the second elastomeric element constitute follow-up delay machine
Structure.By follow-up time-delay mechanism, extending makes time of the microswitch away from the position malfunctioned, thoroughly escapes density
Relay is affected by vibrations, avoids signal regulation mechanism microswitch described in false triggering when gas density is normal.
Embodiment 4
See Figure 16, the of the invention the 4th kind of sulfur hexafluoride gas density relay, compared with relay described in embodiment 3
Compared with being provided with spring 2162 in the promotion area of the first rotating member 211, (vibrating member 216A can be equipped with flexible member 2161, also may be used
To be no longer equipped with the flexible member 2161).Since the first rotating member 211 contains a spring 2162, spring 2162 and vibrating member
216A can compress when being in contact, and increase both times of contact, extend driving lever the motion arm of microswitch is close to gas
The time that the direction of degree increase is stirred, i.e., more extending makes time of the microswitch away from the position malfunctioned.I.e.
First rotating member can include flexible material.
In addition, the present invention the 5th kind of sulfur hexafluoride gas density relay include relatively independent signal control portion and
Indicating value display portion.Signal control portion includes control pedestal, control end seat, control Baden pipe, control temperature compensating element, control
Movement, signal regulation mechanism and some microswitches as signal generator processed, control one end of Baden pipe to be connected to control
On pedestal, by controlling end seat, microswitch is installed in housing simultaneously the other end with controlling one end of temperature compensating element to be connected
With contact operation handle, and antishock device is correspondingly provided with the contact motion arm of microswitch.Antishock device includes turning
Dynamic driving lever, shaft and fixed seat, wherein, rotating lever is installed in shaft, and rotating lever includes the first rotating member and is installed on
The driving lever of first rotating member upper end, driving lever are resisted against on the contact motion arm of microswitch, the center of rotation of the rotating lever and
Center of gravity is non-concentric；Shaft is fixed in fixed seat, and fixed seat is fixed on control pedestal or control movement.Antishock device further includes
Follow-up time-delay mechanism, follow-up time-delay mechanism are made of second spring, the second rotating member, and one end of second spring is connected to second turn
Dynamic, the other end is connected on fixing piece, and fixing piece is fixed in fixed seat.The center of rotation and center of gravity of second rotating member are non-same
The heart is simultaneously installed in the shaft, and the second rotating member can encounter the first rotating member or/and driving lever of antivibration mount in vibration,
The contact motion arm of each microswitch is set to be dialled toward the direction that gas density increases, extension makes the microswitch is remote to miss
The time of the position of action.
When gas density relay is impacted or is vibrated, the first rotating member of antishock device is swung, and driving lever is just every
The contact motion arm of a microswitch is dialled toward the direction that density (pressure) increases, and makes signal generator (microswitch) away from generation
The position of malfunction, and by follow-up time-delay mechanism, extension makes time of the microswitch away from the position malfunctioned,
Influence of the shock and vibration of sulphur hexafloride circuit breaker divide-shut brake generation to density monitor is thoroughly escaped, avoids signal regulation mechanism
In the normal mistiming trigger signal generator (microswitch) of gas density.
Indicating value display portion includes display Baden pipe, displays temperature compensating element, display base, display end seat, display machine
Core and pointer, show that one end of Baden pipe is connected on display base, and the other end compensates member by display end seat and displays temperature
One end of part is connected, and the other end of displays temperature compensating element, is with showing that the initiating terminal of movement is connected, pointer and display movement
Center axis connection.
Signal control portion can also be further sealed in a gas chamber, it is sulfur hexafluoride to control temperature compensating element
Gas；Control pedestal and display base can be combined into one；Control Baden pipe in control section and the display in display portion
Baden pipe is to be arranged side by side；In order to improve resistance to shock, control Baden pipe in control section can with it is aobvious in display portion
Show Baden pipe to be vertically arranged.In this way, control section and display portion are relatively independent, it has the following advantages：It can do
It is just the same to actual act value and pointer show value, and traditional pointer type density relay, due to exist switch resistance and
Magnetic auxiliary power, its actual working value and pointer show value are constantly present certain deviation, make troubles to user.
As a result of antivibration mount and its anti-error operation mechanism, along with shockproof oil is filled with, produced in switch divide-shut brake
During vibration, make shockproof oily shock resistant damping effect more obvious, it is ensured that during impact or vibration, signal generator (open by fine motion
Close) be away from the position malfunctioned, it is ensured that the locking contact of density monitor will not malfunction, will not be real to switch
Row locking, disclosure satisfy that the reclosing requirement of sulphur hexafloride circuit breaker, ensure network system reliably working.By so handling, just
With extraordinary performance, reach：A it) can accomplish that the contact return difference of density monitor is met the requirements；B) because employing antivibration
Device and its anti-error operation mechanism, greatly improve the resistance to shock of density monitor, in normal density value, in switch divide-shut brake
When be subject to impact or vibration when, adjusting rod would not there is a phenomenon where trigger microswitch, control system will not be caused to lose
Effect；C the output of error signal will not) be caused；D) while in debugging, also it is easy to the very accurate of precision tune, it is easy to make height
The density monitor of precision comes；E) stability is also more preferable.So the gas density relay of the present invention has, resistance to shock is high, believes
The advantages that good electric property of number generator, contacts are good, long working life, ensure that system reliably working, is a kind of name
The sulfur hexafluoride gas density relay of secondary performance brilliance in fact, can apply in various sulfur hexafluoride electrical equipments well
On.
In addition, the center of rotation and center of gravity of the first rotating member 211 of the antivibration mount of the present invention are non-concentric and can also be with
Its center of gravity is located at the same plane of center of rotation or the mode of oblique upper is installed in shaft 213, and driving lever 214 is vertically mounted on the
The upper end of one rotating member 211 is simultaneously resisted against on the contact motion arm of each microswitch.Can also so greatly improve density after
The resistance to shock of electric appliance, in normal density value, when switching the impact or vibration that divide-shut brake produces, it is ensured that in shock and vibration
Period, microswitch is away from the position malfunctioned, it is ensured that the locking contact of density monitor will not malfunction, will not
Locking is carried out to switch, therefore disclosure satisfy that the reclosing requirement of sulphur hexafloride circuit breaker, ensures network system reliably working.This hair
The structure of the antivibration mount of bright band time-delay mechanism can be various, and form can be various.The second rotating member in time-delay mechanism is also
It can include flexible material, such as rubber, spring.Or first rotating member can also include flexible material, such as rubber, spring
Deng.In short, by time-delay mechanism, reach delay function, extend signal generator (microswitch, magnetic-type electrical contact) away from hair
The time of the position of raw malfunction, thoroughly escapes the shock and vibration of sulphur hexafloride circuit breaker divide-shut brake generation to density monitor
Influence, avoid signal regulation mechanism signal generator described in false triggering when gas density is normal (microswitch, magnetic auxiliary
Electric contact).
Beyond fixed seat of the present invention is two parallel plates with the first rotating member, other forms are can also be.Institute
State that center of rotation and the center of gravity of rotating member are non-concentric and in the shaft, and the driving lever is vertically mounted on the rotating member
Upper end and be resisted against on the contact motion arm of each microswitch；Follow-up time-delay mechanism is installed on beside anti-error operation mechanism.
The center of rotation and center of gravity of the rotating member of time-delay mechanism are non-concentric and in the shaft, and rotating member exists
The rotating member or/and driving lever of anti-error operation mechanism can be encountered during vibration, makes the contact motion arm of each microswitch toward gas
The direction of density increase is dialled, and extending makes time of the microswitch away from the position malfunctioned.Or institute of time-delay mechanism
The vibrating member stated can encounter the rotating member or/and driving lever of anti-error operation mechanism in vibration, make the contact of each microswitch
Motion arm is dialled toward the direction that gas density increases, and extending makes time of the microswitch away from the position malfunctioned.
The follow-up time-delay mechanism includes spring, rotating member or vibrating member；The rotating member of the anti-error operation mechanism shakes
Moving part also contains a flexible member.The rotating member or vibrating member can encounter the rotating member of anti-error operation mechanism in vibration
Flexible member, the contact motion arm of each microswitch is dialled toward the direction that gas density increases, more extend make it is described micro-
Dynamic time of the switch away from the position malfunctioned.
In addition, the gas density relay of the present invention, the anti-error operation mechanism can also carry damping mechanism；Described
Gas density relay, some signal generators are magnetic-type electrical contact.Vibration of the present invention can also be wrapped further
Include the vibration produced due to gas shock.
The present invention innovative point and core point be：Anti-error operation mechanism is devised, is subject to impact vibration in density monitor
When, which makes some signal generators (microswitch or magnetic-type electrical contact) away from the position malfunctioned
Put, avoid the occurrence of malfunction；Follow-up time-delay mechanism is additionally arranged again at the same time, by the time-delay mechanism, the signal occurs for extension
Time of the device (microswitch or magnetic-type electrical contact) away from the position malfunctioned, thoroughly escape density monitor and rushed
The influence of vibration is hit, avoids, in the normal mistiming trigger signal generator of gas density (microswitch or magnetic-type electrical contact), protecting
Hinder electric power netting safe running.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (14)
- A kind of 1. antivibration mount of sulfur hexafluoride gas density relay, it is characterised in that including：Fixed seat, the first rotating member, First elastomeric element and driving lever, wherein, the fixed seat is equipped with the shaft stretched out, and the first rotating member is connected in the shaft And can be rotated around the shaft, and lever is formed by fulcrum of shaft, the first end of the first rotating member connects the driving lever, the The center of gravity of one rotating member is located in second end, and the elastic force of first elastomeric element and the gravity of the first rotating member pass through lever Principle makes the first rotating member keep balance；WhereinA) antivibration mount further includes the second rotating member and the second elastomeric element, and the second rotating member is connected in shaft and can be with Rotate around the axis；Second rotating member can promote first rotating member to rotate around the axis；The center of gravity of second rotating member is not Positioned at its center of rotation；OrB) antivibration mount further includes vibrating member and the second elastomeric element, and vibrating member is connected to first by the second elastomeric element Beside rotating member；The vibrating member can promote first rotating member to rotate around the axis in vibration.
- 2. antivibration mount according to claim 1, it is characterised in that the fixed seat is parallel for two with the first rotating member Plate, driving lever and shaft are each perpendicular to fixed seat and the first rotating member.
- 3. antivibration mount according to claim 1, it is characterised in that the fixed seat is equipped with notch and reserves activity for driving lever Region.
- 4. antivibration mount according to claim 1, it is characterised in thatA) antivibration mount further includes the second rotating member and the second elastomeric element, and the second rotating member is connected in shaft and can be with Rotate around the axis；Second rotating member can promote first rotating member to rotate around the axis；The center of gravity of second rotating member is not Positioned at its center of rotation；The fixed seat is equipped with fixing piece, the second elastomeric element be connected to fixing piece and the second rotating member it Between；OrB) antivibration mount further includes vibrating member and the second elastomeric element, and vibrating member is connected to first by the second elastomeric element Beside rotating member；The vibrating member can promote first rotating member to rotate around the axis in vibration, be set in the fixed seat There is fixing piece, the second elastomeric element is connected between fixing piece and vibrating member.
- 5. antivibration mount according to claim 1, it is characterised in that the fixed seat is equipped with the first rotating member of limitation And/or second rotating member maximum rotation amplitude locating part.
- 6. a kind of sulfur hexafluoride gas density relay, it is characterised in that including the antivibration mount described in claim 1, also wrap The microswitch being arranged side by side is included, the motion arm of the microswitch is towards same direction, in the microswitch being arranged side by side Side, is provided with the fixed seat and first rotating member, and driving lever, and can be the along the microswitch extension being arranged side by side One rotating member stirs the motion arm of microswitch when rotating.
- 7. sulfur hexafluoride gas density relay according to claim 6, it is characterised in that the fixed seating is in first Between rotating member and the microswitch being arranged side by side, the fixed seat is equipped with fixing piece, and the driving lever is across fixing piece and edge The microswitch extension being arranged side by side.
- 8. sulfur hexafluoride gas density relay according to claim 6, it is characterised in that the sulfur hexafluoride gas is close Shock liquid is filled with degree relay.
- 9. sulfur hexafluoride gas density relay according to claim 6, it is characterised in that the microswitch is helped by magnetic Formula electric contact substitutes.
- 10. sulfur hexafluoride gas density relay according to claim 6, it is characterised in that the sulfur hexafluoride gas Density monitor further includes housing, the pedestal being arranged in housing, end seat, Baden pipe, temperature compensating element, movement, signal tune Mechanism is saved, the end seat is connected with one end of the Baden pipe, and the other end of the Baden pipe is connected on the pedestal.
- 11. sulfur hexafluoride gas density relay according to claim 6, it is characterised in that the sulfur hexafluoride gas Density monitor includes housing, is arranged in housing and mutually independent signal control portion and indicating value display portion, wherein：The signal control portion includes the first pedestal, the first end seat, the first Baden pipe, the first temperature compensating element, signal tune Save mechanism；One end of first Baden pipe is connected on first pedestal, and the other end of first Baden pipe passes through institute One end that the first end seat is stated with first temperature compensating element is connected；The indicating value display portion include the second Baden pipe, second temperature compensating element, the second pedestal, the second end seat, movement and Pointer, one end of second Baden pipe are connected on second pedestal, and the other end of second Baden pipe passes through described Second end seat is connected with one end of the second temperature compensating element, the other end and the machine of the second temperature compensating element, The initiating terminal connection of core, the center axis connection of the pointer and the movement.
- A kind of 12. method for improving sulfur hexafluoride gas density relay resistance to shock, it is characterised in that including：Sulfur hexafluoride gas density relay has been arranged side by side microswitch, and the motion arm of the microswitch is towards same side To being provided with the first rotating member beside the microswitch being arranged side by side；First rotating member is connected in shaft, and using shaft as Boundary is divided into first end and second end, and the center of gravity of the first rotating member is located at second end, and first end is connected with driving lever, and driving lever edge is set side by side The microswitch extension put；First rotating member connects the first elastomeric element, the elastic force of the first elastomeric element and the first rotating member Gravity by lever principle make the first rotating member keep balance；WhereinA) sulfur hexafluoride gas density relay is additionally provided with the second rotating member, the second elastomeric element, and the second rotating member, which is connected to, to be turned On axis, and rotate around the axis, the center of gravity of the second rotating member is not located at its center of rotation；When sulfur hexafluoride gas density relay is vibrated, the first rotating member overcomes the first elastomeric element under effect of inertia The gravity of elastic force and the first rotating member starts to rotate around the axis, and in the rotation process of the first rotating member, driving lever is stirred micro- The motion arm of dynamic switch, makes microswitch away from the position malfunctioned；The second rotating member overcomes under effect of inertia at the same time The gravity of the elastic force of second elastomeric element and the second rotating member starts to rotate around the axis, and the second rotating member rotation amplitude bigger, So as to contact the first rotating member and/or driving lever in rotation process, and the first rotating member and/or driving lever are given in rotation direction First Driving Force, continue to drive the first rotating member and/or driving lever to stir motion arm or maintain the position of motion arm；During vibration disappearance, the first rotating member is under the effect of its gravity, the first elastomeric element elastic force and lever principle to it Initial position rotates, and effect of the driving lever to motion arm progressively reduce, and is giving the second rotating member and above-mentioned First Driving Force is anti- To the second driving force；Second rotating member is under the elastic force and second driving force effect of its gravity and the second elastic component Rotate and progressively recover to its initial position to its initial position, while the second rotating member is rotated by reaction force delay first The recovery of part, makes microswitch extend the time away from the position malfunctioned；While the second rotating member recovers to its initial position, before or after, the first rotating member recovers to its initial position, Event resolves of the driving lever to motion arm；OrB) sulfur hexafluoride gas density relay is additionally provided with vibrating member, the second elastomeric element, and vibrating member passes through the second elastomeric element It is connected to beside the first rotating member；The vibrating member can promote first rotating member to rotate around the axis in vibration；When sulfur hexafluoride gas density relay is vibrated, the first rotating member overcomes the first elastomeric element under effect of inertia The gravity of elastic force and the first rotating member starts to rotate around the axis, and in the rotation process of the first rotating member, driving lever is stirred micro- The motion arm of dynamic switch, makes microswitch away from the position malfunctioned；Vibrating member overcomes second under effect of inertia at the same time The elastic force of elastomeric element and the gravity of vibrating member start to vibrate, so that the first rotating member and/or driving lever are contacted in vibration processes, And the First Driving Force of the first rotating member and/or driving lever in rotation direction is given, continue to drive the first rotating member and/or driving lever Stir motion arm or maintain the position of motion arm；During vibration disappearance, the first rotating member is in its gravity, the first elastomeric element bullet Rotated under power and lever principle effect to its initial position, effect of the driving lever to motion arm progressively reduces, and is vibrated giving Part second driving force reverse with above-mentioned First Driving Force；Vibrating member is in the elastic force of its gravity and the second elastic component and described Move and progressively recover to its initial position to its initial position under second driving force effect, while vibrating member passes through reaction force Postpone the recovery of the first rotating member, microswitch is extended the time away from the position malfunctioned；Vibrating member recover to While its initial position, before or after, the first rotating member recovers to its initial position, effect of the driving lever to motion arm to disappear Lose.
- 13. the method for sulfur hexafluoride gas density relay resistance to shock is improved according to claim 12, it is characterised in that The method is using the antivibration mount described in claim 1.
- 14. the method for sulfur hexafluoride gas density relay resistance to shock is improved according to claim 12, it is characterised in that The driving lever stirs motion arm to the direction that gas density increases.
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| CN201610051375.XA CN105513891B (en) | 2016-01-26 | 2016-01-26 | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount |
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| CN201610051375.XA CN105513891B (en) | 2016-01-26 | 2016-01-26 | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount |
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| CN107658178B (en) * | 2017-07-20 | 2020-12-11 | 上海乐研电气有限公司 | Sulfur hexafluoride gas density relay, and vibration resisting method and device |
| 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 |
| CN109243914B (en) * | 2018-09-28 | 2024-03-29 | 上海乐研电气有限公司 | Method for improving accuracy of gas density relay and gas density relay |
| CN110416024A (en) * | 2019-09-04 | 2019-11-05 | 上海乐研电气有限公司 | A kind of shock type digital display gas density relay |
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| DE2712217A1 (en) * | 1977-03-19 | 1978-09-21 | Metz Mannheim Gmbh | Pressure measuring and control instrument - has element deflection mechanism linking actual value indicator and nominal indicator and microswitch |
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| CN203674073U (en) * | 2013-11-20 | 2014-06-25 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
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| CN205508709U (en) * | 2016-01-26 | 2016-08-24 | 上海乐研电气科技有限公司 | Sulfur hexafluoride gas density relay |
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