CN207752939U - A kind of electro connecting pressure gauge kept with contact action - Google Patents
A kind of electro connecting pressure gauge kept with contact action Download PDFInfo
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- CN207752939U CN207752939U CN201721626082.6U CN201721626082U CN207752939U CN 207752939 U CN207752939 U CN 207752939U CN 201721626082 U CN201721626082 U CN 201721626082U CN 207752939 U CN207752939 U CN 207752939U
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Abstract
The utility model discloses a kind of electro connecting pressure gauges kept with contact action, or contact (alarm contact) retainable gas density relay, signal contact, movement, pointer, dial, the connector of shell including electro connecting pressure gauge (or density monitor), the load cell being arranged in the shell, several electro connecting pressure gauges, further include the holding mechanism after signalizing activity.In particular, having passed through prodigious innovation, develop with holding mechanism and resetting-mechanism, electrical equipment arcing overpressure alarm function may be implemented.It, being capable of overpressure alarm when hypertonia when electrical equipment arcing.And after electrical equipment arcing, when pressure is normal, alarm signal is always maintained at, and operations staff can be allowed to find that electrical equipment arcing phenomenon, the electrical equipment of timely processing arcing phenomenon ensure electric power safety operation.
Description
Technical field
The utility model is related to technical field of electric power, and in particular to a kind of electro connecting pressure gauge kept with contact action,
Especially a kind of electro connecting pressure gauge kept with contact action.
Background technology
Currently, for the lithium of the sulfur hexafluoride gas density in monitoring device, especially sulfur hexafluoride electrical equipment
The load cell that the signaling gear (signal control portion) of sulphur gas density relay generally uses is Baden pipe, and contact is using micro-
Dynamic switch or magnetic-type electrical contact, are applied in electrical equipment,, can be with superpressure when hypertonia when electrical equipment arcing
Alarm.And after electrical equipment arcing, pressure will reduce, and when being restored to normal, at this moment its alarm signal will disappear
Lose, operations staff not at the scene when be not easy to find, it is difficult to ensure that electric power safety is run, so there is an urgent need to innovate.Need
With the holding mechanism and resetting-mechanism after signalizing activity, electrical equipment arcing overpressure alarm may be implemented and keep function.Work as electricity
It, being capable of overpressure alarm when hypertonia when gas equipment arcing.And after electrical equipment arcing, and its alarm signal one
It is straight to keep, conveniently operations staff is allowed to find, ensures electric power safety operation.
Utility model content
The utility model provides a kind of electro connecting pressure gauge kept with contact action or a kind of action of band contact is kept
Gas density relay, for solve the prior art electrical equipment arcing overpressure alarm keep function.With holding mechanism
And resetting-mechanism, electrical equipment arcing overpressure alarm may be implemented and keep function.After electrical equipment arcing, hypertonia
When, it being capable of overpressure alarm.And its pressure it is normal when, alarm signal is always maintained at, and is easy to that operations staff is allowed to find, ensure electric power
Safe operation.
A kind of electro connecting pressure gauge kept with contact action, including the shell of electro connecting pressure gauge, setting are in the shell
Signal contact, movement, pointer, dial, the connector of interior load cell, several electro connecting pressure gauges, further include signalizing activity
Holding mechanism afterwards.
Further include the holding mechanism and resetting-mechanism after signalizing activity.
The signal contact uses microswitch or magnetic-type electrical contact.
Include also temperature compensating element, the density of gas can be monitored.
The microswitch includes movement arm.
The magnetic-type electrical contact includes action contact.
The holding mechanism with need signal keep signal contact be correspondingly arranged, after the signalizing activity, no matter pressure
Or density reduces or increases, holding mechanism can keep signalizing activity state, just signal can only can be made to reset by resetting-mechanism.
The holding mechanism is elastic component, when reaching the pressure or density of setting, pushes the dynamic of magnetic-type electrical contact
Make contact movement, the action contact of magnetic-type electrical contact made to cross elastic component, i.e., after the signalizing activity, no matter pressure or density
It reduces or increases, elastic component can keep the action contact of magnetic-type electrical contact to be in signalizing activity state.
The holding mechanism is that elastic component pushes the movement arm of microswitch when reaching the pressure or density of setting
Movement, makes the movement arm of microswitch cross elastic component, i.e., after the signalizing activity, no matter pressure or density reduce or increases,
Elastic component can keep the movement arm of microswitch to be in signalizing activity state.
The holding mechanism includes spring and holding element, when reaching the pressure or density of setting, pushes microswitch
Movement arm movement, make microswitch movement arm stretch or compressed spring, so that the movement arm of microswitch is crossed holding element,
Holding element blocks the movement arm of microswitch, i.e., after the signalizing activity, no matter pressure or density reduce or increases, and keep member
Part can keep the movement arm of microswitch to be in signalizing activity state；
Alternatively, when reaching the pressure or density of setting, pushes the action contact of magnetic-type electrical contact to move, make magnetic auxiliary
The action contact of electric contact stretches or compressed spring, and the action contact of magnetic-type electrical contact is made to cross holding element, holding element
The action contact of magnetic-type electrical contact is blocked, i.e., after the signalizing activity, no matter pressure or density reduce or increases, holding element
The action contact of magnetic-type electrical contact can be kept to be in signalizing activity state.
After the signalizing activity, no matter pressure or density reduce or increase, and elastic component can keep the action of microswitch
Arm or the action contact of magnetic-type electrical contact are in signalizing activity state, just signal can only can be made to reset by resetting-mechanism.
By operating resetting-mechanism, resetting-mechanism is made to push movement arm or magnetic auxiliary electricity of the holding mechanism far from microswitch
The action contact of contact, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to answer
Position.
The resetting-mechanism is rotary motion, and spinning reduction mechanism makes resetting-mechanism that holding mechanism be pushed to be opened far from fine motion
The movement arm of pass or the action contact of magnetic-type electrical contact, the movement arm of microswitch or the action contact of magnetic-type electrical contact are extensive
Multiple normal condition, makes signal reset.
The resetting-mechanism is the rod piece with lever, and by rotation process handle, the rod piece of spinning reduction mechanism makes reset
The rod piece of mechanism pushes the action contact of movement arm or magnetic-type electrical contact of the holding mechanism far from microswitch, microswitch
Movement arm or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to reset.
The resetting-mechanism is horizontally or vertically to move, and presses or extract resetting-mechanism, and resetting-mechanism is made to push holding machine
The action contact of movement arm or magnetic-type electrical contact of the structure far from microswitch, the movement arm or magnetic-type electrical contact of microswitch
Action contact restore normal condition, so that signal is resetted.
The resetting-mechanism is that an element composition with lever pushes resetting-mechanism by pressing or extracting lever
Element, make resetting-mechanism element push movement arm or magnetic-type electrical contact of the holding mechanism far from microswitch action touch
Head, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to reset.
The resetting-mechanism moves for vertical curve, presses or extract resetting-mechanism, and resetting-mechanism is made to push holding mechanism
Far from the movement arm of microswitch or the action contact of magnetic-type electrical contact, the movement arm of microswitch or magnetic-type electrical contact
It acts contact and restores normal condition, signal is made to reset.
The resetting-mechanism is that an element composition with lever pushes resetting-mechanism by pressing or extracting lever
Element, make resetting-mechanism element push movement arm or magnetic-type electrical contact of the holding mechanism far from microswitch action touch
Head, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to reset.
The resetting-mechanism further includes reduction apparatus, and after operating resetting-mechanism, reduction apparatus can be such that resetting-mechanism restores
Original state.
The reduction apparatus is elastic element, after operating resetting-mechanism, the spring energy of the elastic element of reduction apparatus
Enough resetting-mechanism is made to restore to the original state.
The reduction apparatus contains spring, after operating resetting-mechanism, the elastic force or pulling force energy of the spring of reduction apparatus
Enough resetting-mechanism is made to restore to the original state.
The load cell is Baden pipe or bellows or Baden pipe and bellows composition.
The microswitch includes movement arm, and after the signalizing activity, holding mechanism maintains movement arm, no matter pressure
Or density reduces or increases, holding mechanism can keep signalizing activity state, just signal can only can be made to reset by resetting-mechanism；
Alternatively, the action contact of the magnetic-type electrical contact, after the signalizing activity, holding mechanism maintains magnetic auxiliary
The action contact of electric contact, no matter pressure or density reduce or increase, and holding mechanism can keep signalizing activity state, Zhi Nengtong
Crossing resetting-mechanism can just be such that signal resets.
The movement arm is elastic component, and when reaching the pressure or density of setting, regulating part pushes the dynamic of microswitch
Make arm movement, the movement arm of microswitch made to cross holding mechanism, i.e., after the signalizing activity, no matter pressure or density reduce or
Increase, holding mechanism can keep the movement arm of microswitch to be in signalizing activity state.
Resetting-mechanism is sealing with shell, and when operating resetting-mechanism, the sealed air chamber in shell is in sealing always
State.
The resetting-mechanism realizes sealing by sealing ring and shell.
The temperature compensating element is bimetal leaf or the compensation device filled with compensation gas.
The holding mechanism is that magnetic element pushes the action of microswitch when reaching the pressure or density of setting
Arm or the movement of the action contact of magnetic-type electrical contact, the action contact of the movement arm or magnetic-type electrical contact that make microswitch are close to
Magnetic element, i.e., after the signalizing activity, no matter pressure or density reduce or increase, and magnetic element can keep microswitch
Movement arm or the action contact of magnetic-type electrical contact are in signalizing activity state.
The holding mechanism contains magnetic element, when reaching the pressure or density of setting, pushes the action of microswitch
Arm or the movement of the action contact of magnetic-type electrical contact, the action contact of the movement arm or magnetic-type electrical contact that make microswitch are crossed
Holding mechanism, the movement arm of microswitch or the action contact proximate magnetic element of magnetic-type electrical contact, i.e., when the signalizing activity
Afterwards, no matter pressure or density reduce or increase, and the magnetic element of holding mechanism can more keep the movement arm or magnetic of microswitch
The action contact of formula electric contact is helped to be in signalizing activity state.
The utility model provides a kind of electro connecting pressure gauge kept with contact action or a kind of action of band contact is kept
Gas density relay.Maximum innovative point is, in particular, having passed through prodigious innovation, has holding mechanism and resetting-mechanism,
Electrical equipment arcing overpressure alarm may be implemented and keep function.It, being capable of superpressure when hypertonia i.e. after electrical equipment arcing
Alarm.And its pressure it is normal when, alarm signal is always maintained at, can allow operations staff find electrical equipment arcing phenomenon, and
When handle arcing phenomenon electrical equipment, ensure electric power safety operation.Prodigious innovation is passed through, there is holding mechanism and reset
Mechanism may be implemented electrical equipment arcing overpressure alarm and keep function.I.e. when electrical equipment arcing, when hypertonia, energy
Enough overpressure alarms.And after the electrical equipment arcing, when pressure is normal, alarm signal is always maintained at, and can allow operation
Personnel have found that electrical equipment arcing phenomenon, the electrical equipment of timely processing arcing phenomenon ensure electric power safety operation.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is some implementations of the utility model
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these attached drawings
Obtain other attached drawings；The utility model provide it is a kind of with contact action keep electro connecting pressure gauge with a kind of band temperature-compensating
Gas density relay for illustrate and illustrate.
Fig. 1 is the not operating state description figure of signal of the sulfur hexafluoride gas density relay of the utility model embodiment；
Fig. 2 is the signalizing activity hold mode principle explanation of the utility model embodiment sulfur hexafluoride gas density relay
Figure；
Fig. 3 is the signalizing activity reseting procedure principle explanation of the utility model embodiment sulfur hexafluoride gas density relay
Figure；
Fig. 4 is a kind of partial cutaway schematic of sulfur hexafluoride gas density relay of the utility model embodiment；
Fig. 5 is the signalizing activity reseting procedure of the sulfur hexafluoride gas density relay of the utility model another kind embodiment
Principle explanatory diagram.
Specific implementation mode：
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
The utility model provide it is a kind of with contact action keep electro connecting pressure gauge with a kind of gas with temperature-compensating
It illustrates and illustrates for density monitor.It is the utility model embodiment one referring specifically to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, Fig. 4
Sulfur hexafluoride gas density relay partial cutaway schematic, as shown in figure 4, the utility model embodiment one discloses one
Kind gas density relay, including：Shell 18, connector 3 and the signaling gear to link together and indicating value indication mechanism；
The bellows 1 of gas density and the microswitch as contact in detection electrical equipment are equipped in the signaling gear
16；
The indicating value indication mechanism includes：It shows Baden pipe 4, display end seat 5, movement 32, dial 31, pointer 33, show
Show pedestal 7 and display observation window 30；One end of the display Baden pipe 4 is sealedly attached to the display end seat 5, the display bar
The other end for stepping on pipe 4 is connected on the display base 7, and the pointer 33 is installed on the movement 32.
The signaling gear includes chassis 11, bellows 1, holder 37, mandril 13, fixed frame 17, several microswitches
16, several regulating parts 38, regulating part fixed plate 9, shell 18, wire outlet seat 39, one end sealing welding of bellows 1 is on chassis 11
On, on holder 37, fixed frame 17 is fixed in chassis 11 or shell 18 other end sealing welding of bellows 1, and mandril 13 is solid
It is scheduled on holder 37.Microswitch 16 is fixed on fixed frame 17 or chassis 11, and regulating part fixed plate 9 is fixed on mandril 13,
Several regulating parts 38 are fixed in regulating part fixed plate 9, and the sealing of wire outlet seat 39 is fixed on shell 18 or chassis 11.Shell 18
One end sealing welding forms sealed air chamber G on chassis 11.Sealed air chamber's G interior sealings have compensation gas, and the compensation gas is to letter
Number mechanism plays temperature compensation function.Display observation window 30 is fixed on chassis 11, and indicating value indication mechanism is in display observation window 30.
Connector 3 is fixed on shell 18.Display end seat 5 is fixed on chassis 11, and chassis 11 is equipped with air admission hole A, and air admission hole A passes through company
Fitting B is interconnected with connector 3 in gas circuit.In gas circuit, display Baden pipe 4, bellows 1 pass through air admission hole A, connector B
It is interconnected with connector 3.
The connector 3 is fixed on shell 18, and the indicating value indication mechanism is in display observation window 30.Spring 12 is sheathed on
On the mandril 13, and one end of the spring 12 is abutted with the holder 37, and the other end is abutted with the mandril guide part 39.
Mandril 13 is passed through from mandril guide part 39, and mandril guide part 39 is fixed on fixed frame 17.The setting of microswitch 16 is being adjusted
The front and rear of part fixed plate 9.
Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model embodiment product further includes holding mechanism 14 after signalizing activity and multiple
Position mechanism 40.The holding mechanism 14 is correspondingly arranged with the signal contact for needing signal to keep, after the signalizing activity, no matter
Pressure or density reduce or increase, and holding mechanism 14 can keep signal contact action state, can only be by resetting-mechanism 40
Signal contact can be made to reset.The holding mechanism 14 is elastic component.When reaching the pressure or density of setting, regulating part 38 pushes away
The movement arm 15 of dynamic microswitch 16 moves, and the movement arm 15 of microswitch 16 is made to cross elastic component 14.I.e. when the signalizing activity
Afterwards, no matter pressure or density reduce or increase, and elastic component 14 can keep the movement arm 15 of microswitch 16 to be in signalizing activity
State.
Specifically the holding mechanism is elastic component 14 combined with Figure 1 and Figure 2,.When reaching the pressure or density of setting, adjust
Saving part 38 pushes the movement arm 15 of microswitch 16 to move, and so that the movement arm 15 of microswitch is crossed elastic component 14, such as Fig. 2 institutes
Show.I.e. after the signalizing activity, no matter pressure or density reduce or increase, and elastic component 14 can keep the movement arm of microswitch
15 are in signalizing activity state.Certainly the holding mechanism includes mainly spring and holding element.When the pressure for reaching setting
Or when density, regulating part pushes the movement arm movement of microswitch, makes movement arm stretching or the compressed spring of microswitch, makes micro-
The movement arm of dynamic switch crosses holding element, and holding element blocks the movement arm of microswitch.I.e. after the signalizing activity, no matter
Pressure or density reduce or increase, and holding element can keep the movement arm of microswitch to be in signalizing activity state.When the letter
After number action, no matter pressure or density reduce or increase, and elastic component can keep the movement arm of microswitch to be in signalizing activity
State just can only can be such that signal contact resets by resetting-mechanism 40.It is as shown in broken lines, multiple by operating referring to Fig. 4
Position mechanism 40, makes resetting-mechanism 40 push movement arm 15 of the holding mechanism 14 far from microswitch, the movement arm 15 of microswitch
Restore normal condition, signal is made to reset.The resetting-mechanism is rotary motion, and spinning reduction mechanism makes resetting-mechanism push and protects
Movement arm of the mechanism far from microswitch is held, the movement arm of microswitch restores normal condition, signal is made to reset.The reset machine
Structure is a rod piece composition with lever, and by rotation process handle, the rod piece 40 of spinning reduction mechanism makes the rod piece of resetting-mechanism
Movement arm of the holding mechanism far from microswitch, the movement arm of microswitch is pushed to restore normal condition, signal is made to reset.It is described
Resetting-mechanism is horizontally or vertically to move, and presses or extract resetting-mechanism, makes resetting-mechanism that holding mechanism be pushed to be opened far from fine motion
The movement arm of the movement arm of pass, microswitch restores normal condition, and signal is made to reset.The resetting-mechanism is one with lever
Element forms, and by pressing or extracting lever, pushes the element of resetting-mechanism, the element of resetting-mechanism is made to push holding mechanism
The movement arm of movement arm far from microswitch, microswitch restores normal condition, and signal is made to reset.
Shown in Fig. 2 and Fig. 3, the resetting-mechanism further includes reduction apparatus 42, after operating resetting-mechanism, reduction apparatus
42 can make resetting-mechanism restore to the original state.The reduction apparatus is elastic element 42, after operating resetting-mechanism, reduction apparatus
Elastic element elastic force can make resetting-mechanism 40 restore to the original state.Or the reduction apparatus contains spring, operates reset machine
After structure, the elastic force or pulling force of the spring of reduction apparatus can make resetting-mechanism restore to the original state.
In addition, the specific holding mechanism can include mainly spring and holding element.When the pressure for reaching setting or
When density, regulating part 38 pushes the movement arm 15 of microswitch to move, and makes the stretching of movement arm 15 or the compressed spring of microswitch,
The movement arm of microswitch is set to cross holding element, holding element 14 blocks the movement arm of microswitch.I.e. when the signalizing activity
Afterwards, no matter pressure or density reduce or increase, and holding element can keep the movement arm of microswitch to be in signalizing activity state.
After the signalizing activity, no matter pressure or density reduce or increase, and elastic component can keep the movement arm of microswitch to be in letter
Number action state, just can only can be such that signal resets by resetting-mechanism 40.I.e. by operating resetting-mechanism 40, make resetting-mechanism 40
Movement arm 15 of the holding mechanism 14 far from microswitch 16, the movement arm 15 of microswitch 16 is pushed to restore normal condition, make letter
Number reset.The resetting-mechanism 40 is rotary motion, and spinning reduction mechanism 40 makes resetting-mechanism 40 push holding mechanism 14 separate
The movement arm 15 of the movement arm 15 of microswitch, microswitch restores normal condition, and signal is made to reset.Resetting-mechanism 40 and shell
It is sealing, when operating resetting-mechanism 40, sealed air chamber G is in sealing state always.Resetting-mechanism 40 by sealing ring with
Shell realizes sealing.The resetting-mechanism 40 is that a rod piece 401 with lever forms, and by rotation process handle, rotation is multiple
The rod piece of position mechanism makes the rod piece 401 of resetting-mechanism push movement arm 15 of the holding mechanism 14 far from microswitch, microswitch
Movement arm 15 restore normal condition, so that signal is resetted.It is shown in Figure 5, in addition the resetting-mechanism may be it is horizontal or
Vertical movement, as shown in broken lines, presses or extracts resetting-mechanism 40, and resetting-mechanism is made to push holding mechanism far from fine motion
The movement arm of the movement arm of switch, microswitch restores normal condition, and signal is made to reset.Or the resetting-mechanism is that a band operates
The element of handle forms, and by pressing or extracting lever, pushes the element of resetting-mechanism, so that the element of resetting-mechanism is pushed and keep
The movement arm of movement arm of the mechanism far from microswitch, microswitch restores normal condition, and signal is made to reset.Its method is various,
Such as can also the resetting-mechanism be vertical curve movement, press or extract resetting-mechanism, make resetting-mechanism promotion holding machine
The movement arm of movement arm of the structure far from microswitch, microswitch restores normal condition, and signal is made to reset.The resetting-mechanism is
The one element composition with lever pushes the element of resetting-mechanism, makes the element of resetting-mechanism by upper group or setting aside lever
Movement arm of the holding mechanism far from microswitch, the movement arm of microswitch is pushed to restore normal condition, signal is made to reset.
The resetting-mechanism 40 further includes reduction apparatus 42, and after operating resetting-mechanism 40, reduction apparatus 42 can make reset
Mechanism 40 restores to the original state.The reduction apparatus 42 is elastic element, after operating resetting-mechanism, the elastic element of reduction apparatus
42 elastic force can make resetting-mechanism 40 restore to the original state.In addition the reduction apparatus contains spring, after operating resetting-mechanism,
The elastic force or pulling force of the spring of reduction apparatus can make resetting-mechanism restore to the original state.
The utility model embodiment product further includes not dismantling calibration equipment C.Calibration equipment C and connector B phases are not dismantled
Mutually it is merged.The described calibration equipment C (being mutually merged B with connector B) that do not dismantle is fixed on chassis or shell
On body or on connector.The air admission hole A for not dismantling calibration equipment C and chassis, the connecting tube 8 of connector B and connector 3 are in gas circuit
It is upper to be interconnected.
The calibration equipment C that do not dismantle mainly is made of valve 19, verification mouth 26, can not had to dismounting, be passed through closing
Valve 19 makes density monitor be turned off with the gas chamber of inside electric appliance in gas circuit, and density relay is completed by verifying mouth 26
The verification of device.The valve 19 for not dismantling calibration equipment is to block class valve, such as ball valve, butterfly valve, gate valve, shut-off valve, rotation
Plug valve, butterfly valve, needle valve, diaphragm valve etc., can not have to dismounting, by close valve, make density monitor in gas circuit with electricity
Gas chamber shutdown inside gas equipment, the verification of density monitor is completed by verifying mouth.
The utility model embodiment product indication mechanism further includes displays temperature compensating element, the displays temperature compensation member
Part is bimetal leaf 6.The indoor compensation gas of the blanket gas of the bimetal leaf 6 and indication mechanism is jointly to indicating value indication mechanism
Play temperature compensation function.Certain indication mechanism further includes displays temperature compensating element, and the displays temperature compensating element, is to fill
There is the compensation device of compensation gas.The compensation device filled with compensation gas is that the display filled with compensation gas compensates Baden
Pipe, or the compensation device filled with compensation gas are that the display filled with compensation gas compensates bellows.Certainly the described displays temperature is mended
It may be sealing gas to repay element.Further include temperature sensing package, the compensation gas is connected by connecting tracheae with temperature sensing package.
The utility model embodiment product further includes：Spring 12, spring 12 are nested on mandril 13, and one end of spring 12 is leaned on
It is leaned against on mandril guide part 39 in the other end of holder 37, spring.The wire outlet seat is equipped with anti-vibration part, and wire outlet seat is fixed on anti-vibration
On part, anti-vibration part is fixed on chassis or shell.The anti-vibration part is bellows or is made of the thin plate of anti-vibration function.Wire outlet seat
Connecting line connect with microswitch, and the connecting line of wire outlet seat is connected on the junction block or cable outside shell.The indicating value
Indication mechanism is hermetically sealed to be made indicating value be shown as absolute pressure, is not influenced by height above sea level in display observation window 30, the display
Observation window front is transparent glass.The display observation window 30 is sealedly and fixedly connected by sealing ring 36 and chassis 11 one
It rises.30 outside of the display observation window is nested with cover 34.Gas tube on chassis or shell.It can be filled by gas tube
Upper corresponding compensation gas.Further include air inlet, air inlet is arranged on chassis or shell, and the connector passes through tracheae and air inlet
Mouth is connected or is directly connected with air inlet.Further include air inlet, air inlet is arranged on chassis, the connector and air inlet
It is connected, filled with compensation gas in the sealed air chamber.The display base is by connecting tube or is directly anchored on chassis, should
Display base is connected with connector in gas circuit.The outlet connecting seat is fixedly installed in described by junction block installation transition piece
In seal cavity, alternatively, the outlet connecting seat is directly fixedly installed in the seal cavity.Packet outside the seal cavity
It is wrapped with insulating layer.Set on the pallet of rear face of watchcases, anti-vibration pad is equipped between the pallet disk and the watchcase.
The other end of the holding mechanism 14 to switch 41 internal bend of fixed frame；The movement arm 15 of the microswitch with
The regulating part 38 abuts against, and one end of the movement arm 15 of the microswitch can be when pressure increases, the band of regulating part 38
Holding mechanism 14 described in dynamic lower edge slides into the holding mechanism 14 and is connected on the holding mechanism 14.
The microswitch may be provided at the outside of bellows 1, microswitch 16 be arranged in the front of regulating part fixed plate or
Rear portion.The present embodiment further includes the holding mechanism 14 and resetting-mechanism 40 after signalizing activity, the holding mechanism 14 and needs letter
Number signal contact kept is correspondingly arranged, and after the signal contact act, no matter pressure or density reduce or increase, holding mechanism
14 can keep signalizing activity state, just signal can only can be made to reset by resetting-mechanism 40.
In addition, the sulfur hexafluoride gas density relay, can further include movement arm with the microswitch, when
After the signalizing activity, holding mechanism maintains and (blocks) movement arm, and no matter pressure or density reduce or increases, and holding mechanism can
Signalizing activity state is kept, just signal can only can be made to reset by resetting-mechanism.For example, the movement arm is elastic component, when
When reaching the pressure or density of setting, regulating part pushes the movement arm movement of microswitch, since movement arm is elastic component, so that it may
So that the movement arm of microswitch crosses holding mechanism well, and holding mechanism maintains and (blocks) movement arm.So,
I.e. after the signalizing activity, no matter pressure or density reduce or increase, and holding mechanism can be kept at the movement arm of microswitch
In signalizing activity state.
The sulfur hexafluoride gas density relay, alarm (locking) signal holding implementation method can be with：It is described
Microswitch carry movement arm, after the signalizing activity, holding mechanism maintains movement arm, no matter pressure or density reduce or
Increase, holding mechanism can keep signalizing activity state, just signal can only can be made to reset by resetting-mechanism.Specifically, institute
The movement arm stated is elastic component.When reaching the pressure or density of setting, regulating part pushes the movement arm movement of microswitch, because
It is elastic component for movement arm, so that it may which easily to make the movement arm of microswitch cross holding mechanism, and holding mechanism can block
Firmly movement arm.I.e. after the signalizing activity, no matter pressure or density reduce or increase, and holding mechanism can keep microswitch
Movement arm is in signalizing activity state.
A kind of electro connecting pressure gauge kept with contact action of the utility model technology, it is also possible that the holding mechanism
For magnetic element.When reaching the pressure or density of setting, the movement arm of microswitch or the action of magnetic-type electrical contact are pushed
Contact moves, and the action contact of the movement arm or magnetic-type electrical contact that make microswitch is close to magnetic element.I.e. when the signal is dynamic
After work, no matter pressure or density reduce or increase, and magnetic element can keep the movement arm or magnetic-type electrical contact of microswitch
Action contact be in signalizing activity state.Alternatively, the holding mechanism contains magnetic element.When the pressure for reaching setting or
When density, push microswitch movement arm or magnetic-type electrical contact action contact movement, make microswitch movement arm or
The action contact of magnetic-type electrical contact crosses holding mechanism, the movement arm of microswitch or the action contact patch of magnetic-type electrical contact
Nearly magnetic element.I.e. after the signalizing activity, no matter pressure or density reduce or increase, and the magnetic element of holding mechanism more can
The action contact of the movement arm or magnetic-type electrical contact that keep microswitch is in signalizing activity state
The position of the microswitch can be arranged on the outside of bellows, i.e., microswitch can be disposed below, and be avaled
It goes, keeps the thickness of density monitor thinning.
The gas of monitoring can be the various gas such as sulfur hexafluoride gas, sulfur hexafluoride gas mixture, nitrogen, compressed air
Body.
A kind of electro connecting pressure gauge kept with contact action of the utility model or a kind of band with temperature-compensating connect
Crawl makees the gas density relay kept, has passed through prodigious innovation, has gas pressure (or gas density) holding mechanism
And resetting-mechanism, electrical equipment arcing overpressure alarm function may be implemented.I.e. after electrical equipment arcing, when hypertonia,
It being capable of overpressure alarm.And its pressure it is normal when, alarm signal is always maintained at, can allow operations staff find electrical equipment arcing
Phenomenon, the electrical equipment of timely processing arcing phenomenon ensure electric power safety operation.
Equally, low pressure alarming is similarly applicable in, i.e., a holding mechanism is equipped on low pressure alarming signal, in equipment
Before pressure low-pressure, corresponding low pressure alarming signal does not act, then the holding mechanism does not work, and when electrical equipment is sent out
When angry body pressure anomaly, when hypotony, low pressure alarming signal can be exported, after exporting low pressure alarming signal, and is worked as
When electrical equipment gas pressure is normal, then the holding mechanism works, and holding mechanism makes the alarm signal be always maintained at, that is, works as
After alarm signal action, no matter pressure or density reduce or increase, and holding mechanism can keep alarm signal to be in action shape
State just can only can be such that signal resets by resetting-mechanism.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of electro connecting pressure gauge kept with contact action, including the shell of electro connecting pressure gauge, setting are in the shell
Load cell, several electro connecting pressure gauges signal contact, movement, pointer, dial, connector, it is characterised in that：Further include
Holding mechanism after signalizing activity, the holding mechanism are correspondingly arranged with the signal contact for needing signal to keep, when the signal is dynamic
After work, no matter pressure or density reduce or increase, and holding mechanism can keep signalizing activity state, can only pass through resetting-mechanism
Signal can be made to reset.
2. the electro connecting pressure gauge according to claim 1 kept with contact action, which is characterized in that further include that signal is dynamic
Holding mechanism after work and resetting-mechanism.
3. the electro connecting pressure gauge according to claim 1 kept with contact action, which is characterized in that the signal contact
Using microswitch or magnetic-type electrical contact；The microswitch includes movement arm, and the magnetic-type electrical contact includes that action is touched
Head.
4. the electro connecting pressure gauge according to claim 1 kept with contact action, which is characterized in that also include that temperature is mended
Element is repaid, the density of gas can be monitored, the temperature compensating element is bimetal leaf or the compensation device filled with compensation gas.
5. the electro connecting pressure gauge according to claim 1 or 2 kept with contact action, which is characterized in that the guarantor
It is that elastic component pushes the action contact of magnetic-type electrical contact to move, magnetic is made to help when reaching the pressure or density of setting to hold mechanism
The action contact of formula electric contact crosses elastic component, i.e., after the signalizing activity, no matter pressure or density reduce or increases, elastic component
The action contact of magnetic-type electrical contact can be kept to be in signalizing activity state；
The movement arm of microswitch is pushed to transport when reaching the pressure or density of setting or, the holding mechanism is elastic component
It is dynamic, so that the movement arm of microswitch is crossed elastic component, i.e., after the signalizing activity, no matter pressure or density reduce or increases, bullet
Property part can keep the movement arm of microswitch to be in signalizing activity state；
Or, the holding mechanism includes spring and holding element, when reaching the pressure or density of setting, microswitch is pushed
Movement arm moves, and makes movement arm stretching or the compressed spring of microswitch, so that the movement arm of microswitch is crossed holding element, protect
The movement arm that element blocks microswitch is held, i.e., after the signalizing activity, no matter pressure or density reduce or increases, holding element
The movement arm of microswitch can be kept to be in signalizing activity state；
Alternatively, when reaching the pressure or density of setting, pushes the action contact of magnetic-type electrical contact to move, magnetic auxiliary electricity is made to connect
The action contact of point stretches or compressed spring, so that the action contact of magnetic-type electrical contact is crossed holding element, holding element is blocked
The action contact of magnetic-type electrical contact, i.e., after the signalizing activity, no matter pressure or density reduce or increase, and holding element can
The action contact of magnetic-type electrical contact is kept to be in signalizing activity state.
6. the electro connecting pressure gauge according to claim 5 kept with contact action, which is characterized in that when the signalizing activity
Afterwards, no matter pressure or density reduce or increase, elastic component can keep microswitch movement arm or magnetic-type electrical contact it is dynamic
Make contact and be in signalizing activity state, just signal can only can be made to reset by resetting-mechanism, by operating resetting-mechanism, makes reset
The action contact of movement arm or magnetic-type electrical contact of the mechanism urges holding mechanism far from microswitch, the movement arm of microswitch
Or the action contact of magnetic-type electrical contact restores normal condition, and signal is made to reset.
7. the electro connecting pressure gauge according to claim 6 kept with contact action, which is characterized in that the resetting-mechanism
For rotary motion, spinning reduction mechanism makes resetting-mechanism push movement arm or magnetic auxiliary electricity of the holding mechanism far from microswitch
The action contact of contact, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to answer
Position；The resetting-mechanism is the rod piece with lever, and by rotation process handle, the rod piece of spinning reduction mechanism makes resetting-mechanism
Rod piece push movement arm or magnetic-type electrical contact of the holding mechanism far from microswitch action contact, the action of microswitch
Arm or the action contact of magnetic-type electrical contact restore normal condition, and signal is made to reset；
Or, the resetting-mechanism is horizontally or vertically to move, resetting-mechanism is pressed or extracted, resetting-mechanism is made to push holding mechanism
Far from the movement arm of microswitch or the action contact of magnetic-type electrical contact, the movement arm of microswitch or magnetic-type electrical contact
It acts contact and restores normal condition, signal is made to reset；The resetting-mechanism is an element composition with lever, by pressing or
Lever is extracted, the element of resetting-mechanism is pushed, the element of resetting-mechanism is made to push action of the holding mechanism far from microswitch
The action contact of arm or magnetic-type electrical contact, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal shape
State makes signal reset；
Or, the resetting-mechanism moves for vertical curve, resetting-mechanism is pressed or extracted, resetting-mechanism is made to push holding mechanism remote
The action contact of movement arm or magnetic-type electrical contact from microswitch, the movement arm of microswitch or moving for magnetic-type electrical contact
Make contact and restore normal condition, signal is made to reset；The resetting-mechanism is an element composition with lever, by pressing or pulling out
Go out lever, push the element of resetting-mechanism, the element of resetting-mechanism is made to push movement arm of the holding mechanism far from microswitch
Or the action contact of magnetic-type electrical contact, the movement arm of microswitch or the action contact of magnetic-type electrical contact restore normal shape
State makes signal reset.
8. the electro connecting pressure gauge according to claim 7 kept with contact action, which is characterized in that the resetting-mechanism
Further include reduction apparatus, after operating resetting-mechanism, reduction apparatus can make resetting-mechanism restore to the original state；Or the reduction apparatus is
Elastic element, after operating resetting-mechanism, the elastic force of the elastic element of reduction apparatus can make resetting-mechanism restore to the original state, institute
It states reduction apparatus and contains spring, after operating resetting-mechanism, the elastic force or pulling force of the spring of reduction apparatus can make reset machine
Structure restores to the original state.
9. the electro connecting pressure gauge according to claim 8 kept with contact action, which is characterized in that the fine motion is opened
Pass includes movement arm, and after the signalizing activity, holding mechanism maintains movement arm, and no matter pressure or density reduce or increases, guarantor
Signalizing activity state can be kept by holding mechanism, just signal can only can be made to reset by resetting-mechanism；
Alternatively, the action contact of the magnetic-type electrical contact, after the signalizing activity, holding mechanism maintains magnetic auxiliary electricity and connects
The action contact of point, no matter pressure or density reduce or increase, and holding mechanism can keep signalizing activity state, can only be by multiple
Position mechanism can just be such that signal resets；The movement arm is elastic component, and when reaching the pressure or density of setting, regulating part pushes
The movement arm of microswitch moves, and the movement arm of microswitch is made to cross holding mechanism, i.e., after the signalizing activity, no matter pressure
Or density reduces or increases, holding mechanism can keep the movement arm of microswitch to be in signalizing activity state.
10. the electro connecting pressure gauge according to claim 9 kept with contact action, which is characterized in that the holding
Mechanism is magnetic element, when reaching the pressure or density of setting, pushes the movement arm or magnetic-type electrical contact of microswitch
Contact movement is acted, the action contact of the movement arm or magnetic-type electrical contact that make microswitch is close to magnetic element, i.e., when the letter
After number action, no matter pressure or density reduce or increase, and magnetic element can keep the movement arm of microswitch or magnetic auxiliary electricity
The action contact of contact is in signalizing activity state；Or the holding mechanism contains magnetic element, when the pressure for reaching setting or
When density, push microswitch movement arm or magnetic-type electrical contact action contact movement, make microswitch movement arm or
The action contact of magnetic-type electrical contact crosses holding mechanism, the movement arm of microswitch or the action contact patch of magnetic-type electrical contact
Nearly magnetic element, i.e., after the signalizing activity, no matter pressure or density reduce or increase, and the magnetic element of holding mechanism more can
The action contact of the movement arm or magnetic-type electrical contact that keep microswitch is in signalizing activity state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626082.6U CN207752939U (en) | 2017-11-29 | 2017-11-29 | A kind of electro connecting pressure gauge kept with contact action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721626082.6U CN207752939U (en) | 2017-11-29 | 2017-11-29 | A kind of electro connecting pressure gauge kept with contact action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207752939U true CN207752939U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721626082.6U Active CN207752939U (en) | 2017-11-29 | 2017-11-29 | A kind of electro connecting pressure gauge kept with contact action |
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| CN (1) | CN207752939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799356A (en) * | 2017-11-29 | 2018-03-13 | 上海乐研电气有限公司 | A kind of electro connecting pressure gauge kept with contact action |
| CN113758628A (en) * | 2021-08-27 | 2021-12-07 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
-
2017
- 2017-11-29 CN CN201721626082.6U patent/CN207752939U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799356A (en) * | 2017-11-29 | 2018-03-13 | 上海乐研电气有限公司 | A kind of electro connecting pressure gauge kept with contact action |
| CN107799356B (en) * | 2017-11-29 | 2020-11-06 | 上海乐研电气有限公司 | Electric contact pressure gauge with contact action keeping function |
| CN113758628A (en) * | 2021-08-27 | 2021-12-07 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
| CN113758628B (en) * | 2021-08-27 | 2023-12-22 | 苏州尚科洁净技术有限公司 | Pollution warning device with reset function |
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