CN208673989U - A kind of high-precision gas density monitor - Google Patents
A kind of high-precision gas density monitor Download PDFInfo
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- CN208673989U CN208673989U CN201721625150.7U CN201721625150U CN208673989U CN 208673989 U CN208673989 U CN 208673989U CN 201721625150 U CN201721625150 U CN 201721625150U CN 208673989 U CN208673989 U CN 208673989U
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Abstract
The utility model discloses a kind of high-precision gas density monitor, comprising: signaling gear is interconnected, the indicating value indication mechanism outside the signaling gear with the signaling gear.Wherein, signaling gear includes the sealed air chamber surrounded by chassis, shell and bottom plate, bellows component and alarm assemblies inside sealed air chamber, and sealed air chamber is switched on or switched off with the differential pressure of atmospheric pressure control alarm assemblies in bellows component.High-precision gas density monitor provided by the utility model is equipped with compensation gas and temperature compensating element, and high-precision gas density relay may be implemented, realize the optimization of measuring density.In addition the setting of temperature sensing package uses this density monitor more suitable for the big electrical equipment of the temperature difference between density monitor installation site and electrical equipment ontology.In addition the density monitor is made of several modules, and combination is facilitated to produce, and carries out personalized designs.Product adaptation ability can be improved to greatest extent, be very easy to promote and apply.
Description
Technical field
The invention belongs to technical field of electric power, and in particular to a kind of high-precision gas density monitor.
Background technique
Electric product has been widely used the fast development that power industry is promoted in power department, industrial and mining enterprises.It is electrical to produce
The arc-extinguishing medium and dielectric of product is gas, is easy to happen gas leakage, cannot guarantee that electric product is reliable, transports safely after gas leakage
Therefore how row guarantees that reliable, the safe operation of electric product have become one of vital task of power department.
The closed insulated cavity interior insulation dielectric gas of electric product is a kind of arc-extinguishing medium, is to ensure electric product reliability service
Essential gas, especially apply in SF6/N2On the products such as ring network cabinet.Gas density relay is electrical for monitoring
The device of product closed insulated cavity interior insulation dielectric gas density and pressure.
Currently, the sulfur hexafluoride gas for being used to monitor the sulfur hexafluoride gas density in high pressure sulfur hexafluoride electrical equipment is close
The load cell that generally uses of signaling gear (signal control portion) of degree relay is Baden pipe, the contact used to be magnetic auxiliary
Contact, contact, which exists, contacts bad, the disadvantage of resistance to shock difference, it is difficult to guarantee the reliable and secure operation of power grid.And some
The temperature difference is big between the density monitor installation site and electrical equipment ontology of occasion, and common gas density relay is not able to satisfy this
A little requirements of the occasion to Product Precision, therefore, it is necessary to which developing one kind can be realized high-precision, high-precision gas density relay
Device realizes advanced optimizing for measuring density.
Summary of the invention
It include: signaling gear the invention discloses high-precision gas density monitor, be interconnected with the signaling gear,
Indicating value indication mechanism outside the signaling gear.
Wherein, the signaling gear includes the sealed air chamber surrounded by chassis, shell and bottom plate, is located at the sealed air chamber
Differential pressure of atmospheric pressure in internal bellows component and alarm assemblies, the sealed air chamber and the bellows component controls the report
Alert component is switched on or switched off；
The indicating value indication mechanism includes: display end seat, the display Baden pipe and temperature that one end is connect with the display end seat
Compensating element, is spent, the display Baden pipe other end is connected on display base, and display base is mounted on the chassis, is shown by indicating value
Show the display Baden pipe of mechanism and the machine core of temperature compensating element driving and pointer and dial on machine core.
The display Baden pipe is connected to the sealed air chamber, and the temperature compensating element is connected to the bellows component
Or it is not connected to；The bellows component is connected to electrical equipment, filled with compensation gas inside the sealed air chamber；Or it is described close
Envelope gas chamber is connected to electrical equipment, filled with compensation gas, the display Baden pipe and the ripple inside the bellows component
Tube assembly connection.
In a preferred embodiment, the temperature compensating element is compensation Baden pipe or compensation bellows, is shown with described
Show that end seat connects, and is connected to or is not connected to the bellows component.
In a preferred embodiment, the temperature compensating element be bimetal leaf, connect with the display end seat, not with
The bellows component connection.
In a preferred embodiment, the alarm assemblies include quiet with the relatively-stationary multiple microswitches in the chassis
Contact, the mandril being fixedly connected with the free end of the bellows component, and positioned at the regulating part of the mandril free end,
Regulating part can trigger microswitch movable contact corresponding with the microswitch stationary contact.
In a preferred embodiment, guard member is additionally provided with above the regulating part.
In a preferred embodiment, the alarm assemblies further include fixed frame, and the fixed frame is along the bellows group
Part telescopic direction extends, and the fixed frame is fixed on the chassis, and microswitch stationary contact is located at the freedom of the fixed frame
At end.
In a preferred embodiment, the bellows component include bellows and be located at the bellows free end, with
The bracket of the sylphon seal connection.
In a preferred embodiment, the alarm assemblies further include mandril, and the mandril is located at the bellows component
Outside, extend along the bellows component telescopic direction, the first end of the mandril is fixed on the bracket, and second end is set
There are the regulating part with the microswitch movable contact triggering of microswitch stationary contact cooperation, the microswitch stationary contact point
Between microswitch movable contact and bellows or side.
Further, the signaling gear further includes vibration proof mechanism, and the vibration proof mechanism is located at the bellows component
Outside, one end of the vibration proof mechanism are fixedly connected with the second end of mandril, and the other end is fixed on the bracket.
Further, the signaling gear further includes vibration proof mechanism, and the vibration proof mechanism is located at the bellows component
Outside, one end of the vibration proof mechanism are fixedly connected with the second end of mandril, and the other end is fixed on the fixed frame or shell
It is interior.
In a preferred embodiment, the signaling gear further includes spring, and one end of the spring is fixed on branch erection
Have on the side of mandril, the other end is adjustable to be mounted on the outside of the mandril；Preferably, it is covered on the lateral surface of the mandril
Fixing piece is adjusted equipped with spring, the spring is fixed on the spring and adjusts on fixing piece, adjusts fixing piece by spring and adjusts
The elastic force of spring.
In a preferred embodiment, the indicating value indication mechanism further includes display base, and the display base is located at institute
It states between display Baden pipe and chassis, and is fixedly connected respectively with the other end of the display Baden pipe, chassis.
In a preferred embodiment, the indicating value indication mechanism further includes display base, and the display base is fixed on
On chassis, it is tightly connected with the other end of the display Baden pipe.
In a preferred embodiment, the high-precision gas density monitor further includes watchcase, and the signaling gear shows
Value indication mechanism is located inside the watchcase, and the bottom plate is fixedly mounted on the medial surface of the watchcase.
In a preferred embodiment, the high-precision gas density monitor is additionally provided with temperature sensing package, the temperature sensing package inspection
Survey compensation gas temperature, and by pressure and temperature data be processed into density data show on the display device or signal control.
In a preferred embodiment, the high-precision gas density monitor is additionally provided with temperature sensing package, further includes temperature sensing package,
The compensation gas is connected by connection tracheae with temperature sensing package.
The technical program can have 4 kinds of permutation and combination, and bellow-type expansion gas, chassis is in up or down；Gas chamber compensation gas,
Chassis is in up or down.Display compensation: bimetal leaf or Baden pipe or bellows；Display: absolute pressure or relative pressure.
High-precision gas density monitor provided by the invention is equipped with compensation gas and temperature compensating element, and height may be implemented
The gas density relay of precision realizes the optimization of measuring density.In addition the setting of temperature sensing package keeps this density monitor more suitable
It is used together in the big electrical equipment of the temperature difference between density monitor installation site and electrical equipment ontology.In addition the density monitor by
Several module compositions, facilitate combination to produce, carry out personalized designs.Product adaptation ability can be improved to greatest extent, held very much
Easily promote and apply.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing；
Fig. 1 is the partial cutaway schematic of the high-precision gas density monitor of the embodiment of the present invention one；
Fig. 2 is 90 ° of center axis rotation of partial cutaway schematic of mandril in Fig. 1；
Fig. 3 is the partial cutaway schematic of the high-precision gas density monitor of the embodiment of the present invention two；
Fig. 4 is the front schematic view of the high-precision gas density monitor of the embodiment of the present invention two.
Specific embodiment
Embodiment one
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 is the partial cutaway schematic of the high-precision gas density monitor of the embodiment of the present invention one, such as Fig. 1
With shown in Fig. 2, the high-precision gas density monitor of the embodiment of the present invention one includes: watchcase 22, and it is internal, mutual to be located at watchcase 22
The signaling gear and indicating value indication mechanism of connection, signaling gear are fixedly mounted on the medial surface of watchcase 22.
The sealed air chamber that signaling gear is surrounded by chassis 14, shell 15 and bottom plate 37, and be located inside the sealed air chamber
Bellows 16 and alarm assemblies, bellows 17 controls microswitch component and is switched on or switched off, and sealed air chamber and indicating value are shown
Display Baden pipe 10 in mechanism is connected to.
One end sealing welding of bellows 16 on chassis 14, the other end sealing welding of bellows 16 on bracket 17,
Bellows 16, chassis 14 and bracket 17 constitute the bellows component of sealing, accommodate the gas in compensation gas or electrical equipment.
Alarm assemblies include the microswitch movable contact of multiple microswitch stationary contacts and the cooperation of microswitch stationary contact,
Fixed frame 20 and mandril 27, fixed frame 20 extend along bellows component telescopic direction, and one end is fixed on chassis 14, and the other end is set
There is microswitch stationary contact.
Mandril 27 is located at the outside of bellows component, extends along bellows component telescopic direction, and the first end of mandril is fixed
On bracket 17, second end is equipped with microswitch movable contact, and microswitch movable contact and microswitch stationary contact cooperate, common structure
At microswitch 25, in the present embodiment, microswitch stationary contact is between microswitch movable contact and bellows 16, at other
Embodiment in, microswitch stationary contact, microswitch movable contact can also exchange the relative position with bellows 16, i.e. fine motion
Switch movable contact point and bellows 16 are located at the ipsilateral of microswitch stationary contact.Further, microswitch 25 passes through fixing piece 24
It is fixed on fixed frame 20, regulating part fixed plate 26 is fixed on mandril 27, and several regulating parts 29 are fixed on regulating part fixed plate
On 26.
Further, signaling gear is additionally provided with spring 18, and spring 18 is nested on mandril 27, and one end of spring 18 is fixed on
On bracket 17, the other end is fixed on spring and adjusts on fixing piece 28, and spring adjusts fixing piece 28 and is fixed on fixed frame 20.
Further, high-precision gas density monitor can also include vibration proof mechanism 39, the both ends point of vibration proof mechanism 39
It is not fixedly mounted on the end and bracket 17 of mandril, to reduce or prevent in the course of work, each component vibration improves product
Stability and service life, vibration proof mechanism 39 can the component (the present embodiment be mandril 27) to signaling gear play limit,
Positioning action prevents the component of signaling gear from swinging, rocking when being vibrated impact, plays raising vibration resistance.
Indicating value indication mechanism includes: display Baden pipe 10, temperature compensating element 36, display end seat 11, machine core 6, dial
9, pointer 8 and display base 34；One end of one end and displays temperature compensating element, 36 for showing Baden pipe 10 is both secured to described
In display end seat 11, the other end of display Baden pipe 10 is connected on display base 34, and display base 34 is located on chassis 14, and
It is connected to sealed air chamber and electrical equipment by capillary.Machine core 6 is located on chassis 14, and is driven by display base 34, pointer 8
It is installed on machine core 6, and is rotated with machine core 6, for showing the density indicating value of gas in electrical equipment.Display Baden pipe 10 is based on
The pressure of sulfur hexafluoride gas in sulfur hexafluoride electrical equipment and mechanical deformation occurs, pass through the mechanical deformation drive machine core work
Make.
Bellows 16 is connected to by capillary with temperature compensating element 36, and temperature compensating element 36 is also Baden pipe at this time.
Or temperature compensating element 36 is bimetal leaf, bimetal leaf and bellows 16 collectively form temperature compensating element.
Display base 34 is fixed on chassis 14, and bottom plate 37 is fixed on watchcase 22.In gas circuit, the sealed air chamber is logical
It crosses connection tracheae and connector 32 is connected with sulfur hexafluoride electrical equipment, display base 34 is connected by chassis 14 with sealed air chamber
It is logical, filled with compensation gas in the bellows 16.
In addition, in gas circuit, can also the bellows 16 and display base 34 pass through chassis 14, connection tracheae and connector
32 are connected with sulfur hexafluoride electrical equipment, and filled with compensation gas in the sealed air chamber.
The sealing of high-precision gas density monitor wire outlet seat 38 provided in this embodiment is fixed on shell 15 or chassis or bottom
On plate, connector 32 is connected to by being located at connection tracheae 31, wire outlet seat 38 inside connector 32 with electrical equipment and sealed air chamber, electricity
Gas equipment by connect tracheae 31 be connected to sealed air chamber, and by chassis 14, display base 34 be interconnected capillary and
It shows that Baden pipe 10 is connected to, shows that Baden pipe 10 in pressure change, is radially expanded or shrinks, and be passed through benefit in bellows
Repay gas.In other embodiments, it is also possible to connector 32 by being located at connection tracheae 31 and bellows 16 inside connector 32
Connection, and compensation gas is passed through in sealed air chamber.
The high-precision gas density monitor of inventive embodiments one substitutes ripple in the prior art using display Baden pipe
Critical component of the pipe as indicating value indication mechanism can easily realize that gamut scope (- 0.1~0.9MPa) is shown,
It is especially very easy to realize the display for being initiated with -0.1MPa, vacuum degree can be shown when vacuumizing, very easy popularization is answered
With.And load cell used by its signaling gear (signal control portion) is bellows simultaneously, to guarantee density monitor
High resistance to shock, and the contact used is microswitch, to guarantee the reliable electric property of density monitor.The display temperature
Spending compensating element, can be using the compensation device that bimetal leaf is constituted or using the compensation device filled with compensation gas.
The working principle of the high-precision gas density monitor of the embodiment of the present invention one are as follows: close after regulating regulating part 29
Seal seal cavity, it is general to be realized by welding, then to seal cavity vacuumize process, then according to high-precision gas density after
The parameter of electric appliance is filled with the compensation gas of relevant pressure in seal cavity.If SF6 (sulfur hexafluoride) electrical equipment does not leak
Gas, high-precision gas density monitor just do not issue warning block signal；If SF6 electrical equipment gas leakage, when SF6 is electrically set
When standby interior SF6 gas density is is near or below the density of the compensation gas in seal cavity 2, high-precision gas density monitor
Issue warning block signal, it is ensured that power grid security.
Embodiment two
Fig. 3 and Fig. 4 is the partial cutaway schematic of the high-precision gas density monitor of the embodiment of the present invention two, such as Fig. 3
With shown in Fig. 4, the high-precision gas density monitor of the embodiment of the present invention one includes: watchcase 22, and it is internal, mutual to be located at watchcase 22
The signaling gear and indicating value indication mechanism of connection, signaling gear are fixedly mounted on the medial surface of watchcase 22.
The sealed air chamber that signaling gear is surrounded by chassis 14, shell 15 and bottom plate 37, and be located inside the sealed air chamber
Bellows 16 and alarm assemblies, bellows 17 controls microswitch component and is switched on or switched off, and sealed air chamber and indicating value are shown
Display Baden pipe 10 in mechanism is connected to.
One end sealing welding of bellows 16 on chassis 14, the other end sealing welding of bellows 16 on bracket 17,
Bellows 16, chassis 14 and bracket 17 constitute the bellows component of sealing, accommodate the gas in compensation gas or electrical equipment.
Alarm assemblies include the microswitch movable contact of multiple microswitch stationary contacts and the cooperation of microswitch stationary contact,
Fixed frame 20 and mandril 27, fixed frame 20 extend along bellows component telescopic direction, and one end is fixed on chassis 14, and the other end is set
There is microswitch stationary contact.
Mandril 27 is located at the outside of bellows component, extends along bellows component telescopic direction, and the first end of mandril is fixed
On bracket 17, second end is equipped with microswitch movable contact, and microswitch movable contact and microswitch stationary contact cooperate, common structure
At microswitch 25, in the present embodiment, microswitch stationary contact is between microswitch movable contact and bellows 16, at other
Embodiment in, microswitch stationary contact, microswitch movable contact can also exchange the relative position with bellows 16, i.e. fine motion
Switch movable contact point and bellows 16 are located at the ipsilateral of microswitch stationary contact.Further, microswitch 25 passes through fixing piece 24
It is fixed on fixed frame 20, regulating part fixed plate 26 is fixed on mandril 27, and several regulating parts 29 are fixed on regulating part fixed plate
On 26.
Further, signaling gear is additionally provided with spring 18, and spring 18 is nested on mandril 27, and one end of spring 18 is fixed on
On bracket 17, the other end is fixed on spring and adjusts on fixing piece 28, and spring adjusts fixing piece 28 and is fixed on fixed frame 20.
Further, high-precision gas density monitor can also include vibration proof mechanism 39, the both ends point of vibration proof mechanism 39
It is not fixedly mounted on the end and bracket 17 of mandril, to reduce or prevent in the course of work, each component vibration improves product
Stability and service life, vibration proof mechanism 39 can the component (the present embodiment be mandril 27) to signaling gear play limit,
Positioning action prevents the component of signaling gear from swinging, rocking when being vibrated impact, plays raising vibration resistance.
Indicating value indication mechanism includes: display Baden pipe 10, temperature compensating element 36, display end seat 11, machine core 6, dial
9, pointer 8 and display base 34；One end of one end and displays temperature compensating element, 36 for showing Baden pipe 10 is both secured to described
In display end seat 11, the other end of display Baden pipe 10 is connected on display base 34, and display base 34 is located on chassis 14, and
It is connected to sealed air chamber and electrical equipment by capillary.Machine core 6 is located on chassis 14, and is driven by display base 34, pointer 8
It is installed on machine core 6, and is rotated with machine core 6, for showing the density indicating value of gas in electrical equipment.Display Baden pipe 10 is based on
The pressure of sulfur hexafluoride gas in sulfur hexafluoride electrical equipment and mechanical deformation occurs, pass through the mechanical deformation drive machine core work
Make.
Bellows 16 is connected to by capillary with temperature compensating element 36, and temperature compensating element 36 is also Baden pipe at this time.
Or temperature compensating element 36 is bimetal leaf, bimetal leaf and bellows 16 collectively form temperature compensating element.
Display base 34 is fixed on chassis 14, and bottom plate 37 is fixed on watchcase 22.In gas circuit, the sealed air chamber is logical
It crosses connection tracheae and connector 32 is connected with sulfur hexafluoride electrical equipment, display base 34 is connected by chassis 14 with sealed air chamber
It is logical, filled with compensation gas in the bellows 16.
In gas circuit, the sealed air chamber is connected by connection tracheae 31 and connector 32 with electrical equipment, shows Baden
Pipe 10 is connected to by display base 34 and chassis 14 with sealed air chamber, filled with compensation gas in the bellows.
The present embodiment and the main distinction of embodiment one are that the high-precision gas density monitor of the present embodiment further includes
Temperature sensing package 30, the compensation gas are connected by the second connection tracheae 40 with temperature sensing package 30.Displays temperature in the present embodiment
Compensating element, 36 is compensation Baden pipe 36, and the compensation gas which compensates Baden pipe 36 passes through the wave of capillary and signaling gear
In line pipe 16 filled with compensation gas be connected, which is connected by connecting tracheae 40 with temperature sensing package 30.This
High-precision temperature-sensitive packet mode density monitor may be implemented in sample, realizes the optimization of measuring density, is suitable for density monitor peace
The electrical equipment that the temperature difference is big between holding position and electrical equipment ontology uses, and can improve product adaptation ability to greatest extent.
In another embodiment, it can also show that Baden pipe 10 passes through display base 34 and chassis 14 and sealed air chamber
It is connected to, filled with compensation gas in sealed air chamber, and bellows 16 is connected by connection tracheae 31 and connector 32 with electrical equipment.
The outside of bellows 16 is arranged in the position of the microswitch 25, i.e. microswitch 25 is arranged in density monitor
Bottom, keep the thickness of density monitor thinning.It is dry that microswitch 25 can be needle-shaped button-type, generally pendulum dry type, R type pendulum
Type, ball put dry type.
The technical solution of the density monitor can be interior filled with compensation with up to 4 kinds or more of permutation and combination, such as bellows
Gas, chassis is in left or right side；Or filled with compensation gas in gas chamber, chassis is in left or right side.Display portion
Measuring principle may is that absolute pressure or relative pressure.
Spring can not also be used in the technical solution of the density monitor, and all detects and controls gas with bellows
Volume density.
Further, high-precision gas density monitor provided by the invention can also include air inlet, air inlet setting
On chassis 14, connector 32 is connected with air inlet by connection tracheae 31 or is directly connected with air inlet, and chassis is fixed on
On watchcase 22, filled with compensation gas in sealed air chamber.Display base 34 is fixed on bottom plate 37, the display base 34 and connector 32
It is connected.
Temperature compensating element 36 is the compensation Baden pipe 36 filled with compensation gas, and the compensation gas of the compensation Baden pipe 36 is logical
Cross capillary in sealed air chamber filled with compensation gas be connected.Or both independent be not connected to mutually.Compensate Baden pipe 35
Compensation gas by capillary in sealed air chamber filled with compensation gas and temperature sensing package be connected.
In addition, in other examples, the position of display base 34 and bottom plate 37 can also be exchanged, i.e. display base 34
It is fixed on bottom plate 37, chassis 14 is fixed on watchcase 22.It is interior filled with benefit filled with compensation gas or bellows in sealed air chamber
Gas is repaid, realizes temperature compensation function.
Chassis 14 or display base 34 or shell 15 or debugging connector on be also provided with gas tube, by gas tube to
Corresponding compensation gas is filled in high-precision gas density monitor.
Such innovative design can be convenient the personalized production of progress, combination facilitated to produce.It can be convenient realization display
Temperature compensating element is that the display filled with compensation gas compensates Baden pipe, and the compensation gas of display compensation Baden pipe passes through capillary
Pipe in the bellows of signaling gear filled with compensation gas be connected, in conjunction with temperature sensing package, the compensation gas is by connecting tracheae
It is connected with temperature sensing package.High-precision, high-precision temperature-sensitive packet mode density monitor may be implemented in such innovation, realizes density
The optimization of monitoring is suitable for the electrical equipment that the temperature difference is big between density monitor installation site and electrical equipment ontology and uses, can
To improve product adaptation ability to greatest extent, it is very easy to promote and apply.Simultaneously because the microswitch can be set on described
In seal cavity, and there is sulfur hexafluoride gas in seal cavity, because sulfur hexafluoride gas has very strong insulation and arc extinguishing ability,
So the electric terminal of the technology of the present invention density monitor has extraordinary electric property, using reliable, contact contact is reliable,
Service life is long, this is also very big innovative point and feature of the invention.High-precision gas density monitor of the invention, by such
Innovation structure design can be convenient the personalized production of progress, combination facilitated to produce.
High-precision gas density monitor of the invention is designed by such innovation structure, can be convenient of progress
Property metaplasia produce, facilitate combination produce.Such as: 1) implementing displays temperature compensating element, with can be convenient is aobvious filled with compensation gas
Show compensation Baden pipe, in the bellows that the compensation gas which compensates Baden pipe passes through capillary and signaling gear filled with benefit
It repays gas to be connected, which is connected by connection tracheae with temperature sensing package.Such innovation, may be implemented high-precision,
High-precision temperature-sensitive packet mode density monitor, realizes the optimization of measuring density, is suitable for density monitor installation site and electricity
The electrical equipment that the temperature difference is big between gas apparatus body uses, and can improve product adaptation ability to greatest extent.2) it is real to can be convenient ground
Apply displays temperature compensating element, and be that display filled with compensation gas compensates Baden pipe, and in the bellows of signaling gear filled with benefit
Gas is repaid, can be convenient and realize that display portion has display to compensate, signaling gear has signal compensation.Such innovation, may be implemented
In high precision, high-precision gas density relay realizes the optimization of measuring density, can improve product adaptation energy to greatest extent
Power.3) implementing displays temperature compensating element, with can be convenient is the compensating element, that bimetal leaf is constituted, and the ripple of signaling gear
In pipe filled with compensation gas, can be convenient and realize that display portion has display to compensate, signaling gear has signal compensation.Such wound
Newly, high-precision gas density monitor may be implemented, realize the optimization of measuring density, product adaptation can be improved to greatest extent
Ability.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (13)
1. a kind of high-precision gas density monitor characterized by comprising signaling gear is mutually interconnected with the signaling gear
The logical, indicating value indication mechanism outside the signaling gear；
Wherein, the signaling gear includes the sealed air chamber surrounded by chassis, shell and bottom plate, is located inside the sealed air chamber
Bellows component and alarm assemblies, the differential pressure of atmospheric pressure in the sealed air chamber and the bellows component controls the alarm group
Part is switched on or switched off；
The indicating value indication mechanism includes: display end seat, and the display Baden pipe and temperature that one end is connect with the display end seat are mended
Element is repaid, the display Baden pipe other end is connected on display base, and display base is mounted on the chassis, shows machine by indicating value
The machine core and pointer and dial on machine core of display Baden pipe and the temperature compensating element driving of structure；
The display Baden pipe is connected to the sealed air chamber, and the temperature compensating element is connected to or not with the bellows component
Connection；The sealed air chamber is connected to electrical equipment, filled with compensation gas inside the bellows component；Or the bellows
Component is connected to electrical equipment, filled with compensation gas, the display Baden pipe and the bellows group inside the sealed air chamber
Part connection.
2. high-precision gas density monitor according to claim 1, which is characterized in that the temperature compensating element is to mend
Baden pipe or compensation bellows are repaid, is connect with the display end seat, and be connected to or be not connected to the bellows component；
Or the temperature compensating element is bimetal leaf, connect, is not connected to the bellows component with the display end seat.
3. high-precision gas density monitor according to claim 1, which is characterized in that the alarm assemblies include and institute
State the relatively-stationary multiple microswitch stationary contacts in chassis, the mandril being fixedly connected with the free end of the bellows component, with
And the regulating part positioned at the mandril free end, regulating part can trigger fine motion corresponding with the microswitch stationary contact and open
Close movable contact.
4. high-precision gas density monitor according to claim 3, which is characterized in that the alarm assemblies further include solid
Determine frame, the fixed frame is fixed on the chassis, and microswitch stationary contact is located on the fixed frame.
5. high-precision gas density monitor according to claim 4, which is characterized in that the bellows component includes wave
Line pipe and positioned at the bellows free end, the bracket being connect with the sylphon seal.
6. high-precision gas density monitor according to claim 5, which is characterized in that the alarm assemblies further include top
Bar, the mandril are located at the outside of the bellows component, extend along the bellows component telescopic direction, and the of the mandril
One end is fixed on the bracket, and second end is equipped with the microswitch movable contact triggering cooperated with the microswitch stationary contact and uses
Regulating part.
7. high-precision gas density monitor according to claim 5, which is characterized in that the signaling gear further includes preventing
Vibration mechanism, the vibration proof mechanism are located at the outside of the bellows component, one end of the vibration proof mechanism and the second end of mandril
It is fixedly connected, the other end is fixed on the fixed frame or in shell.
8. high-precision gas density monitor according to claim 1, which is characterized in that the signaling gear further includes bullet
Spring, one end of the spring are fixed on branch and are provided on the side of mandril, the adjustable outside for being mounted on the mandril of the other end
On.
9. high-precision gas density monitor according to claim 1, which is characterized in that the display base is fixed on bottom
On disk, it is tightly connected with the other end of the display Baden pipe.
10. high-precision gas density monitor according to claim 1, which is characterized in that the high-precision gas density
Relay further includes watchcase, and the signaling gear, indicating value indication mechanism are located inside the watchcase, and the bottom plate is fixedly mounted on
On the medial surface of the watchcase.
11. high-precision gas density monitor according to claim 1, which is characterized in that the high-precision gas density
Relay is additionally provided with temperature sensing package, the temperature of the temperature sensing package detection compensation gas, and pressure and temperature data are processed into density
Data are shown on the display device or signal control.
12. high-precision gas density monitor according to claim 1, which is characterized in that the high-precision gas density
Relay further includes temperature sensing package, and the compensation gas is connected by connection tracheae with temperature sensing package.
13. high-precision gas density monitor according to claim 3, which is characterized in that also set above the regulating part
There is guard member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625150.7U CN208673989U (en) | 2017-11-29 | 2017-11-29 | A kind of high-precision gas density monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625150.7U CN208673989U (en) | 2017-11-29 | 2017-11-29 | A kind of high-precision gas density monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673989U true CN208673989U (en) | 2019-03-29 |
Family
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871642A (en) * | 2017-11-29 | 2018-04-03 | 上海乐研电气有限公司 | A kind of high-precision gas density monitor |
| CN110850278A (en) * | 2019-09-04 | 2020-02-28 | 上海卓电电气有限公司 | Electromechanical integrated gas density relay |
| EP3965133A4 (en) * | 2020-03-11 | 2022-08-10 | Shanghai Roye Electric Co., Ltd. | High anti-vibration gas density relay |
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2017
- 2017-11-29 CN CN201721625150.7U patent/CN208673989U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871642A (en) * | 2017-11-29 | 2018-04-03 | 上海乐研电气有限公司 | A kind of high-precision gas density monitor |
| CN110850278A (en) * | 2019-09-04 | 2020-02-28 | 上海卓电电气有限公司 | Electromechanical integrated gas density relay |
| EP3965133A4 (en) * | 2020-03-11 | 2022-08-10 | Shanghai Roye Electric Co., Ltd. | High anti-vibration gas density relay |
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