CN207367875U - A kind of sulfur hexafluoride gas density relay and antivibration mount - Google Patents
A kind of sulfur hexafluoride gas density relay and antivibration mount Download PDFInfo
- Publication number
- CN207367875U CN207367875U CN201720881890.0U CN201720881890U CN207367875U CN 207367875 U CN207367875 U CN 207367875U CN 201720881890 U CN201720881890 U CN 201720881890U CN 207367875 U CN207367875 U CN 207367875U
- Authority
- CN
- China
- Prior art keywords
- rotating member
- shaft
- gas density
- sulfur hexafluoride
- microswitch
- 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.)
- Active
Links
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 sulfur hexafluoride gas density relay vibrates, rotating member starts to rotate around the axis, driving lever stirs the motion arm of microswitch, makes microswitch away from the position malfunctioned；Movable member overcomes the elastic force of elastomeric element at the same time, move, elastomeric element active force is given in elastomeric element one end, elastomeric element gives the First Driving Force of rotating member and driving lever in rotation direction, continue to drive the first rotating member and driving lever to stir motion arm or maintain the position of motion arm, microswitch is extended away from the time of position malfunctioned, avoid signal regulation mechanism in the normal mistiming trigger signal generator of gas density, greatly improve the resistance to shock of density monitor.
Description
Technical field
The utility model is related to a kind of gas density relay, more particularly to a kind of high antivibration sulfur hexafluoride gas density after
Electric appliance, a kind of antivibration mount of sulfur hexafluoride gas density relay and raising sulfur hexafluoride gas density relay antivibration
The method of performance.
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 peace
In fixed plate 12, fixed plate 12 is in turn mounted on pedestal 19.Microswitch 91,92,93 is fixed on adjusting correspondingly
The lower section of part 141,142,143.Operation handle 911,921,931 is respectively equipped with each microswitch.12 rear end of positioning plate is fixed
On the movement 2, and front end extends to the lower section of the end seat 24 that Baden pipe 6 is connected with temperature compensating element 7.Microswitch 91,
92nd, 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, make the regulating part 141 that is fixed in the contact operating shaft 16 to
143 driving microswitches 91 to 93 act.But the rotational angle very little of the shaft 24 due to sector gear, make the essence of product
Degree reduces.More seriously, since the actuating length of microswitch motion arm is short, and regulating part 141 to 143 is using tune
Screw is saved, when Baden pipe 6 moves, drives the sector shaft 24 of movement 2 to rotate, it is micro- make it that adjusting screw rotation is encountered
The motion arm of dynamic switch, driving motion arm is by the movable contact to compress switch, when the end face and microswitch for turning to adjusting screw
In the case that motion arm is vertical, adjusting screw is stuck and cannot be rotated further, thus difficult to realize -0.1 to 0.9MPa it is complete
The density monitor of range, is particularly difficult to realize be initiated with the display of -0.1MPa, like this, just without Faxian when vacuumizing
Show, 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.
Utility model content
For current gas density relay there are the problem of, the utility model provides a kind of sulfur hexafluoride gas density
Relay antivibration mount, the method for improving sulfur hexafluoride gas density relay antivibration effect and a kind of sulfur hexafluoride gas
Density monitor.
The utility model the first aspect is to provide a kind of antivibration mount of sulfur hexafluoride gas density relay, including：
Fixed seat, rotating member, movable member, elastomeric element and driving lever.
Wherein, the fixed seat is equipped with the shaft stretched out, and rotating member is connected in the shaft, and using shaft as boundary,
It is divided into first end and second end.
The rotating member can be rotated around the shaft, and form lever by fulcrum of shaft, and the first end of rotating member connects
The driving lever is connect, the center of gravity of rotating member is located in second end.
In an advantageous embodiment, the movable member is slide unit, and the second end of rotating member is equipped with sliding slot, it is described can
Moving part one end is connected on the sliding slot and can be slided around the sliding slot, and the movable member other end connects the of the elastomeric element
Two ends, alternatively, in another preferred embodiment, the movable member is rotatable parts, and is rotated around the second shaft, movable member one
End connects the second end of the elastomeric element, and the second shaft is between connection elastomeric element one end and center of gravity.Wherein, first turn
Axis can be identical or different shaft with above-mentioned shaft (shaft for being connected rotating member).
The first end of elastomeric element, which is contradicted to rotating member, the elastic force and rotating member of elastomeric element and the gravity of movable member, leads to
Crossing lever principle makes rotating member keep balance.
In a kind of more preferred embodiment, the rotating member is between movable member and fixed seat.
In a kind of more preferred embodiment, the movable member is the plate parallel to the fixed seat and the rotating member.
In a kind of more preferred embodiment, the fixed seat is two parallel plates, driving lever and shaft, sliding slot with rotating member
It is each perpendicular to fixed seat and the first rotating member.In a kind of more preferred embodiment, the fixed seat, rotating member, movable member are phase
Mutually parallel plate.
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 fixed seat is equipped with limitation rotating member and/or movable member maximum rotation width
The limit element of degree.
In a kind of more preferred embodiment, the rotating member is equipped with notch, and the locating part extends described lack from fixed seat
Mouthful.In more preferred embodiment, the notch is outwards expanded by bottom, and one of side is arc.More preferably implementing
In example, described one side of notch is arc, and opposite another side is linear pattern.
In more preferred embodiment, the locating part be 2, and respectively be located at shaft the left and right sides, the notch from
The first end of rotating member extends to second end.
In a kind of more preferred embodiment, the shaft first end is stretched out from rotating member, and the first end of the shaft is equipped with
Groove, elastomeric element first end are inserted into the groove.
Second aspect of the utility model is to provide a kind of sulfur hexafluoride gas density relay, including is arranged side by side micro-
Dynamic switch, the motion arm of the microswitch beside the microswitch being arranged side by side, are provided with fixation towards same direction
Seat.
Wherein, the fixed seat is equipped with the shaft stretched out, and rotating member is connected in the shaft, and using shaft as boundary,
It is divided into first end and second end.
Wherein, the rotating member can be rotated around the shaft, and form lever, rotating member first end by fulcrum of shaft
Driving lever is connected, the center of gravity of moving part is located in its second end.
The sulfur hexafluoride gas density relay is additionally provided with movable member, in an advantageous embodiment, the movable member
For slide unit, the second end of rotating member is equipped with sliding slot, and described movable member one end is connected on the sliding slot and can be around described
Sliding slot slides, and the movable member other end connects the second end of the elastomeric element, alternatively, in another preferred embodiment, it is described
Movable member is rotatable parts, and is rotated around the second shaft, and movable member one end connects the second end of the elastomeric element, the second shaft
Between connection elastomeric element one end and center of gravity.Wherein, first rotating shaft can with above-mentioned shaft (shaft for being connected rotating member)
To be identical or different shaft.
The first end of elastomeric element, which is contradicted to rotating member, the elastic force and rotating member of elastomeric element and the gravity of movable member, leads to
Crossing lever principle makes rotating member keep balance.
Driving lever can stir the behaviour of microswitch along the microswitch extension being arranged side by side when the first rotating member rotates
Make arm.
In more preferred embodiment, the fine motion that the utility model sulfur hexafluoride gas density relay includes being arranged side by side is opened
Close, the antivibration mount described in the utility model the first aspect, the motion arm of the microswitch is towards same direction, simultaneously
Arrange beside the microswitch set, be provided with the fixed seat and first rotating member, driving lever is opened along the fine motion being arranged side by side
Extension is closed, 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 fixed seating is described between rotating member and the microswitch being arranged side by side
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, 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.
In an advantageous embodiment, vibration described in the utility model can be due to the vibration that gas shock produces, especially
It is 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, the movable member can directly drive rotating member to drive driving lever or straight
Driving driving lever is connect to drive rotating member；Equally, driving lever or the first rotating member can also directly or indirectly give movable member reaction
Power.
The utility model provides a kind of antishock device, a kind of sulfur hexafluoride gas density relay and improves its antivibration
The method of effect, by increasing the anti-error operation mechanism with delay function, makes its resistance to shock higher, and signal occurs
The contacts and electric property of device are more preferable, long working life, and precision is high.Gas density relay bag described in the utility model
Include sulfur hexafluoride gas density relay, sulfur hexafluoride gas mixture density monitor, nitrogen gas density monitor, dry sky
The various gas density relays such as gas gas density relay, carbon dioxide density monitor, compressed air density monitor
Device.
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 utility model；
Fig. 9 is the partial side view of the utility model sulfur hexafluoride gas density relay shown in Fig. 8；
Figure 10 A are that the utility model movable member is sulfur hexafluoride gas density relay antivibration mount in the case of rotatable parts
Positive structure diagram；Figure 10 B are that the utility model movable member is sulfur hexafluoride gas density relay in the case of slide unit
Antivibration mount positive structure diagram；
Figure 11 is the first sulfur hexafluoride gas density relay antivibration mount dimensional structure diagram of the utility model.
Embodiment
In order to preferably understand the technical solution of the utility model, below by specific embodiment and combine
Attached drawing is described in detail.
Embodiment 1
With reference to Fig. 8 to Figure 10 B, the sulfur hexafluoride gas density relay in the first embodiment of the utility model is main
To be opened by 8, three connector 1, movement 2, housing 3, dial 4, pointer 5, Baden pipe 6, temperature compensating element 7, junction block fine motions
Close 91,92,93, printed circuit board 10, positioning plate 11, fixed plate 12, electric wire 13, signal regulation mechanism (adjusting rod 141,142,
143), the composition such as connecting rod 15, crossbeam 16, watch crystal 17, cover circle 18, pedestal 19, deferent 20, antivibration mount 21, end seat 24.
Wherein, with reference to Fig. 8 and Fig. 9, connector 1 is fixed on housing 3, and in housing 3, movement 2 is fixed on pedestal 19；Bar
The one end for stepping on pipe 6 is welded on pedestal 19 and in communication, and the other end passes through end seat 24 and one end phase of temperature compensating element 7
Connection, the other end of temperature-compensating plate 7 and being connected for crossbeam 16；Three adjustings of signal regulation mechanism are fixed with crossbeam 16
Bar 141,142,143；Crossbeam 16 is connected with connecting rod 15 again, and connecting rod 15 is connected with movement 2 again；Three microswitches
91st, 92,93 it is separately fixed on printed circuit board 10, printed circuit board 10 is fixed in fixed plate 12, and fixed plate 12 is installed again
On pedestal 19, and three microswitches 91,92,93 are correspondingly arranged at the top of each adjusting rod 141,142,143, and three micro-
The lower end difference attended operation arm 911,921,931 of dynamic switch 91,92,93；The contact of three microswitches 91,92,93 is logical
The outer surface that electric wire 13 is connected to junction block 8 from printed circuit board 10 is crossed, junction block 8 is fixed on the outer surface of housing 3；May be used also
With including microswitch reinforcing mechanisms 23, microswitch reinforcing mechanisms 23 are fixed on three microswitches 91,92,93, fine motion
It is unrestricted to switch the form of reinforcing mechanisms 23, can variation；Positioning plate 11 is fixed on the movement 2；Pointer 5 and dial 4
It is separately fixed on movement 2；Watch crystal 17 and cover circle 18 are separately fixed on housing 3, mechanism that can be inside protective housing 3 from
Mechanical damage and dirt, rainwater intrusion；One end of deferent 20 is connected with pedestal 19, and reliable sealing, the other end of deferent 20
It is connected with connector 1, and reliable sealing.
With reference to Fig. 9-11, antivibration mount 21 mainly includes rotating member 211, shaft 212, fixed seat 213, driving lever 214, elasticity
Component 215, movable member 216.With reference to Figure 10 A-11, shaft 212 is stretched out from fixed seat 211, and rotating member 211 is connected to institute
State in shaft 212, and be boundary with shaft 212, be divided into first end 2111 and second end 2112.Fixed seat 213 and rotating member 211
For two parallel plates, driving lever 214 and shaft 212 are each perpendicular to 213 and one rotating member 211 of fixed seat.
Rotating member 211 can with around the shaft 212 rotate, and with shaft 212 for fulcrum formed lever, the first of rotating member 211
The connection of end 2111 driving lever 214, the center of gravity of rotating member 211 are located in second end 2112.
With reference to Figure 10 A, movable member 216 is rotatable parts, and the second end 2112 of rotating member 211 is equipped with the second shaft, movably
216 one end of part is connected in second shaft and can be rotated around second shaft, described in the connection of 216 other end of movable member
The second end of elastomeric element 215,216 center of gravity of movable member are located at opposite side, and the first end of elastomeric element 215, which is contradicted to first, to be rotated
Part.Or with reference to Figure 10 B, movable member 216 is slide unit, 211 surface of rotating member is equipped with sliding slot 218, and 216 one end of movable member is inserted
Enter in sliding slot 218, and can be slided along sliding slot 218, the other end connects the second end of the elastomeric element 215.
The elastic force of elastomeric element 215 and the gravity of the first rotating member 211 and movable member 216 make rotation by lever principle
Part 211 and movable member 216 keep balance.Driving lever 214 along the microswitch (91,92,93) being arranged side by side motion arm (911,
921,931) extend.
Rotating member 211 is equipped with notch, and notch can be V-type or U-shaped or J-type etc., or similar shape, preferably
Ground, notch are outwards expanded by bottom, and at least one of which side is arc.Indentations bottom is located at second end 2112, and be open court
It is located at the side of opening to the direction of first end 2111 or first end 2111.Fixed seat 213 is equipped with the interior limit for extending the notch
Position part 2171 and outer locating part 2172, interior locating part 2171 are located at the bottom of opening, and outer locating part 2172 is located at opening, shaft
(can be in same straight line, or shaft 212 is spacing inside 212 between interior locating part 2171 and outer locating part 2172
On the vertical line of 2172 line of part 2171 and outer locating part, as shown in figure 11).
212 one end of shaft is stretched out from rotating member 211, and one end of stretching is equipped with groove, and elastomeric element 215 is curved torsional spring
(can be arc or ">" shape), one end is inserted into the groove, and the other end is connected to movable member 216.
In the present embodiment, 215 one end of elastomeric element is fixed to movable member 216, and the other end is connected to first rotating shaft 212
In groove, on initial position, elastomeric element 215 can be that rotating member 211 and movable member 216 provide elastic force and (can not also provide bullet
Power, i.e. elastic force is 0), rotating member 211 form lever by fulcrum of the point of shaft 212, and driving lever 214 is in first end, rotating member 211
Center of gravity second end, gravity and elastic force (elastic force can be 0) by lever principle make rotating member 211 realize balance.Similar,
The center of rotation and center of gravity of movable member 216 are non-concentric and in second shaft, and gravity and elastomeric element 215
Elastic force (elastic force can be 0) makes movable member 216 realize balance by lever principle.Alternatively, rotating member 211 and movable member 216
Gravity is offset in elastomeric element 215, so as to fulfill the balance of rotating member 211, movable member 216.
In an advantageous embodiment, movable member 216 is easier to rotate or slides when being subject to external force.Movable member
216 can pull one end of elastomeric element 215 in vibration, and elastomeric element 215 receives stretching and produces elastic force, and elastic force passes through another
End is changed into the motive force of 212 cell wall of countershaft, promotes shaft to rotate clockwise, as shown in figure 9, rotating member 211 is with shaft 212
Rotate clockwise, and drive driving lever 214, the motion arm 911-931 of each microswitch is dialled toward the direction that gas density increases
It is dynamic, or help the first rotating member 211 and/or driving lever 214 to maintain the position of motion arm 911-931, extension makes the microswitch
Time away from the position malfunctioned.Movable member 216 is acted on follow-up delay function, constitutes follow-up time-delay mechanism.
By follow-up time-delay mechanism, extending makes time of the microswitch away from the position malfunctioned, thoroughly escape density after
Electric appliance is affected by vibrations, avoids signal regulation mechanism microswitch described in false triggering when gas density is normal.
The first sulfur hexafluoride gas density relay of the utility model, its operation principle are to be based on flexible member Baden
Pipe 6, is modified the pressure and temperature of change using temperature compensating element 7, reacts the change of sulfur hexafluoride gas density.I.e.
Under the pressure effect of measured medium sulfur hexafluoride gas, because of the effect of temperature-compensating plate 7, the gas in electric switch
The change of volume density value, pressure value also change accordingly, force the end of Baden pipe 6 to produce corresponding elastic deformation-displacement,
Movement 2 is passed to by means of temperature-compensating plate 7 and connecting rod 15, movement 2 passes to pointer 5 again, then by tested sulfur hexafluoride
Gas density value indicates on dial 4.If electric switch gas leakage, density value declines (reaches report to a certain extent
Alert or locking value), Baden pipe 6 is produced accordingly to bottom offset, makes crossbeam 16 to bottom offset, crossbeam 16 by temperature-compensating plate 7
On adjusting rod 141,142,143 just gradually from corresponding microswitch 91,92,93, to a certain extent when, corresponding microswitch
91st, 92,93 contact is switched on, and sends corresponding signal (alarm or locking), reaches the equipment such as monitoring and control electric switch
In sulfur hexafluoride gas density, make electrical equipment trouble free service.If the density value in electric switch increases, pressure value
Corresponding rise, to a certain extent, Baden pipe 6 is also produced and shifted up accordingly, by temperature-compensating plate 7, makes crossbeam for rise
16 shift up, and the adjusting rod 141,142,143 on crossbeam 16 just shifts up and promotes corresponding microswitch 91,92,93
Contact disconnect, signal (alarm or locking) just releases.
When gas density relay is impacted or is vibrated, since the center of gravity of the rotating member 211 of antivibration mount 21 is located at
The obliquely downward of its center of rotation, and driving lever 214 is located at the first end of rotating member 211, the rotating member 211 of anti-antivibration mount 21 will
Clockwise oscillation (being clockwise in fig.9 see Fig. 9 directions of arrow) is produced, driving lever 214 is three microswitches 91,92,93
Contact motion arm 911,921,931 stirs (see Fig. 9) toward the direction that density (pressure) increases, and makes three microswitches 91,92,93
Away from the position malfunctioned, while when gas density relay is impacted or is vibrated, movable member 216 will produce suitable
Hour hands swing (see Fig. 9, the direction of arrow) or are slided along sliding slot 218, can be into one due to 216 motion amplitude bigger of movable member
Step promotes the rotating member 211 and driving lever 214 of anti-error operation mechanism, applies active force to rotating member 211 and driving lever 214, makes each
The contact motion arm of microswitch is stirred toward the direction that gas density increases, and extension makes the microswitch is remote to malfunction
Position time, avoid signal regulation mechanism three microswitches of false triggering 91,92,93 when gas density is normal.Exist
When gas density relay is subject to the shock and vibration that sulphur hexafloride circuit breaker divide-shut brake produces, the driving lever 214 of antivibration mount 21 is logical
Cross the side that the first rotating member 211 swings and the contact motion arm 911,921,931 of each microswitch is increased toward gas density
To stirring, make microswitch 91,92,93 away from the position malfunctioned, and fine motion is opened by follow-up time-delay mechanism, extension
Closed for 91,92,93 times away from the position malfunctioned, thoroughly escape the impact of sulphur hexafloride circuit breaker divide-shut brake generation and shake
The dynamic influence to density monitor, avoids signal regulation mechanism microswitch described in false triggering when gas density is normal.
The first sulfur hexafluoride gas density relay of the utility model is existed using the rotating member 211 of antivibration mount 21
Also swing can be produced during impact, and by movable member 216, 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 elastomeric element 215, in gravity, spring
Under elastic force and lever principle effect, rotating member 211 will not be rotated optionally, and driving lever 214 is adjacent only in each microswitch
Contact motion arm on so that can ensure that rotating member 211 and driving lever 214 do not interfere with microswitch contact motion arm it is normal
Work.Rotating member 211 and driving lever 214 can be an overall structure or the Split type structure being installed together, its shape can
With 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
Second of sulfur hexafluoride gas density relay of the utility model, compared with the first relay, housing 3 has
Good leakproofness, therefore can also be in housing 3 filled with shock liquid, the effect of shock liquid, is rushed gas density relay
When hitting or vibrating, movable member 216 will produce swing or slip, 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 rotating member 211 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.
In addition, the 5th kind of sulfur hexafluoride gas density relay of the utility model includes relatively independent signal control part
Divide and indicating value display portion.Signal control portion includes control pedestal, control end seat, control Baden pipe, control temperature-compensating member
Part, control movement, signal regulation mechanism and some microswitches as signal generator, control one end of Baden pipe to be connected to
Control on pedestal, by controlling end seat, microswitch is installed on housing to the other end with controlling one end of temperature compensating element to be connected
It is interior and carry contact operation handle, and it is correspondingly provided with antishock device with the contact motion arm of microswitch.Antishock device bag
Rotating lever, shaft and fixed seat are included, wherein, rotating lever is installed in shaft, and rotating lever includes rotating member and is installed on
The driving lever of rotating member upper end, driving lever are resisted against on the contact motion arm of microswitch, the center of rotation and center of gravity of the rotating lever
It is non-concentric；Shaft is fixed in fixed seat, and fixed seat is fixed on control pedestal or control movement.Antishock device further includes subsequently
Time-delay mechanism, follow-up time-delay mechanism are made of spring, movable member, and one end of spring is connected to movable member, and other end connection rotates
Part.Movable member can pull or promote the rotating member and driving lever of antivibration mount in vibration, grasp the contact of each microswitch
Make arm to dial toward the direction that gas density increases, extending makes time of the microswitch away from the position malfunctioned.
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 utility model has resistance to shock
The advantages that height, the good electric property of signal generator, contacts are good, long working life, ensure that system reliably working, is one
The sulfur hexafluoride gas density relay of the qualified performance brilliance of kind, can apply electric in various sulfur hexafluorides well
In equipment.
In addition, the center of rotation and center of gravity of the rotating member 211 of the antivibration mount of the utility model 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, which is vertically mounted on, to be turned
The upper end of moving part 211 is simultaneously resisted against on the contact motion arm of each microswitch.Density monitor can also so be greatly improved
Resistance to shock, in normal density value, when switch divide-shut brake produce impact or vibration when, it is ensured that in the shock and vibration phase
Between, microswitch is away from the position malfunctioned, it is ensured that the locking contact of density monitor will not malfunction, will not be right
Switch carries out locking, therefore disclosure satisfy that the reclosing requirement of sulphur hexafloride circuit breaker, ensures network system reliably working.This practicality
The structure of the antivibration mount of new band time-delay mechanism can be various, and form can be various.The second rotating member in time-delay mechanism
It can also 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 described in the utility model is two parallel plates with the first rotating member, other shapes are can also be
Formula.The center of rotation and center of gravity of the rotating member are non-concentric and in the shaft, and the driving lever is vertically mounted on described
The upper end of rotating member is simultaneously resisted against on the contact motion arm of each microswitch；Follow-up time-delay mechanism is installed on anti-error operation mechanism
Side.
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.
In addition, the gas density relay of the utility model, the anti-error operation mechanism can also carry damping mechanism；Institute
The gas density relay stated, some signal generators are magnetic-type electrical contact.Vibration described in the utility model can be with
Further comprise the vibration produced due to gas shock.
The innovative point and core point of the utility model be：Anti-error operation mechanism is devised, is impacted in density monitor
During vibration, which makes some signal generators (microswitch or magnetic-type electrical contact) away from malfunctioning
Position, avoids the occurrence of malfunction；Follow-up time-delay mechanism is additionally arranged again at the same time, by the time-delay mechanism, extension sends out the signal
Raw time of the device (microswitch or magnetic-type electrical contact) away from the position malfunctioned, thoroughly escape density monitor and be subject to
The influence of impact vibration, avoids in the normal mistiming trigger signal generator of gas density (microswitch or magnetic-type electrical contact),
Ensure electric power netting safe running.
Specific embodiment of the utility model is described in detail above, but it is intended only as example, and this practicality is new
Type is not restricted to particular embodiments described above.To those skilled in the art, it is any that the utility model is carried out
Equivalent modifications and substitute also all among the category of the utility model.Therefore, the spirit and model of the utility model are not being departed from
Lower made impartial conversion and modification are enclosed, should all be covered in the scope of the utility model.
Claims (12)
- A kind of 1. antivibration mount of sulfur hexafluoride gas density relay, it is characterised in that including：It is fixed seat, rotating member, movable Part, elastomeric element and driving lever, wherein, the fixed seat is equipped with the shaft stretched out, and rotating member is connected in the shaft, and with Shaft is boundary, is divided into first end and second end；The rotating member can be rotated around the shaft, and form lever, the first end connection institute of rotating member by fulcrum of shaft Driving lever is stated, the center of gravity of rotating member is located in second end；The movable member is slide unit, and the second end of rotating member is equipped with sliding slot, and described movable member one end is connected to the sliding slot It can slide above and around the sliding slot, the movable member other end connects the second end of the elastomeric element；Or the movable member is Rotatable parts, movable member are rotated around the second shaft, and movable member one end connects the second end of the elastomeric element, and the second shaft is located at Connect between elastomeric element one end and center of gravity；The first end of elastomeric element, which is contradicted to rotating member, the elastic force and rotating member of elastomeric element and the gravity of movable member, passes through thick stick Rod principle makes rotating member keep balance.
- 2. antivibration mount according to claim 1, it is characterised in that the fixed seat is two parallel with rotating member Plate, driving lever and shaft are each perpendicular to fixed seat and rotating member.
- 3. antivibration mount according to claim 1, it is characterised in that the rotating member is equipped with notch, and fixed seat, which is equipped with, stretches To the locating part of the notch.
- 4. antivibration mount according to claim 3, it is characterised in that the notch is outwards expanded by bottom, and at least One of side is arc.
- 5. antivibration mount according to claim 3, it is characterised in that the locating part is 2, and respectively positioned at shaft The left and right sides.
- 6. antivibration mount according to claim 1, it is characterised in that the shaft first end is stretched out from rotating member, described The first end of shaft is equipped with groove, and the elastomeric element other end is inserted into the groove.
- 7. antivibration mount according to claim 1, it is characterised in that rotating member is between movable member and fixed seat.
- 8. a kind of sulfur hexafluoride gas density relay, it is characterised in that including the microswitch being arranged side by side, the fine motion is opened The motion arm of pass beside the microswitch being arranged side by side, is provided with fixed seat towards same direction；The fixed seat is equipped with outwardly directed shaft, and rotating member is connected in the shaft and can turn around the shaft It is dynamic, and lever, the first end connection driving lever of rotating member are formed by fulcrum of shaft, the center of gravity of rotating member is located in second end；The second end of rotating member is equipped with sliding slot, and movable member one end is connected on the sliding slot and can be slided around the sliding slot, can The moving part other end connects the second end of elastomeric element；Or movable member is rotated around the second shaft, movable member one end connects the bullet Property component second end, the second shaft positioned at connection elastomeric element one end and center of gravity between；The first end of elastomeric element contradict to Rotating member, the elastic force and rotating member of elastomeric element and the gravity of movable member make rotating member keep balance by lever principle；Driving lever can stir the motion arm of microswitch along the microswitch extension being arranged side by side when rotating member rotates.
- 9. sulfur hexafluoride gas density relay according to claim 8, it is characterised in that the sulfur hexafluoride gas is close Shock liquid is filled with degree relay.
- 10. sulfur hexafluoride gas density relay according to claim 8, it is characterised in that the microswitch is by magnetic Formula electric contact is helped to substitute.
- 11. sulfur hexafluoride gas density relay according to claim 8, 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.
- 12. sulfur hexafluoride gas density relay according to claim 8, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881890.0U CN207367875U (en) | 2017-07-20 | 2017-07-20 | A kind of sulfur hexafluoride gas density relay and antivibration mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720881890.0U CN207367875U (en) | 2017-07-20 | 2017-07-20 | A kind of sulfur hexafluoride gas density relay and antivibration mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367875U true CN207367875U (en) | 2018-05-15 |
Family
ID=62421691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720881890.0U Active CN207367875U (en) | 2017-07-20 | 2017-07-20 | A kind of sulfur hexafluoride gas density relay and antivibration mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367875U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658178A (en) * | 2017-07-20 | 2018-02-02 | 上海乐研电气有限公司 | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount |
| CN109243882A (en) * | 2018-09-26 | 2019-01-18 | 天佑电器（苏州）有限公司 | switch box device and power tool |
| CN109243914A (en) * | 2018-09-28 | 2019-01-18 | 上海乐研电气有限公司 | A kind of method and high-precision gas density monitor improving gas density relay precision |
-
2017
- 2017-07-20 CN CN201720881890.0U patent/CN207367875U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658178A (en) * | 2017-07-20 | 2018-02-02 | 上海乐研电气有限公司 | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount |
| 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 |
| CN109243882A (en) * | 2018-09-26 | 2019-01-18 | 天佑电器（苏州）有限公司 | switch box device and power tool |
| CN109243882B (en) * | 2018-09-26 | 2023-11-21 | 天佑电器（苏州）有限公司 | Switch box device and power tool |
| CN109243914A (en) * | 2018-09-28 | 2019-01-18 | 上海乐研电气有限公司 | A kind of method and high-precision gas density monitor improving gas density relay precision |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207367875U (en) | A kind of sulfur hexafluoride gas density relay and antivibration mount | |
| CN105513891B (en) | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount | |
| CN201804791U (en) | Sulfur hexafluoride gas density relay | |
| CN209343990U (en) | A kind of high-precision gas density monitor | |
| CN103594284B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN101847544A (en) | Sulfur hexafluoride gas density relay | |
| CN103456561B (en) | High-precision sulfur hexafluoride gas density relay | |
| CN102543571B (en) | Anti-vibration sulfur hexafluoride gas density relay | |
| CN205508709U (en) | Sulfur hexafluoride gas density relay | |
| CN109103050A (en) | A method of improving gas density relay precision | |
| KR20200090914A (en) | Gas density relay precision improvement method and high precision gas density relay | |
| CN103700541B (en) | A kind of sulfur hexafluoride gas density relay of thin type | |
| CN103715010B (en) | A kind of sulfur hexafluoride gas density relay | |
| WO2020063606A1 (en) | High-precision sf6 gas density relay and method for implementing same | |
| CN203674073U (en) | Sulfur hexafluoride gas density relay | |
| CN103456562B (en) | A kind of sulfur hexafluoride gas density relay | |
| CN107658178A (en) | A kind of sulfur hexafluoride gas density relay and antivibration method and antivibration mount | |
| CN204028153U (en) | The driving mechanism of breaker mechanical trip detecting device | |
| WO2015039494A1 (en) | Highly shock-resistant sulphur hexafluoride gas density relay | |
| CN203774177U (en) | Thin sulfur hexafluoride gas density relay | |
| CN103456563A (en) | Sulfur hexafluoride gas density relay | |
| CN203521305U (en) | Sulfur hexafluoride gas density relay | |
| CN203774176U (en) | Sulfur hexafluoride gas density relay | |
| CN109839329A (en) | A kind of shock type density meter | |
| CN101387891A (en) | Vibration resistant pointer type SF6 gas density controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |