CN105338774A - SF6 gas density meter integrating surface glass and surface case - Google Patents
SF6 gas density meter integrating surface glass and surface case Download PDFInfo
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- CN105338774A CN105338774A CN201510788321.7A CN201510788321A CN105338774A CN 105338774 A CN105338774 A CN 105338774A CN 201510788321 A CN201510788321 A CN 201510788321A CN 105338774 A CN105338774 A CN 105338774A
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- Prior art keywords
- watchcase
- density meter
- integrated
- chassis
- watch crystal
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- 239000011521 glass Substances 0.000 title abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000013461 design Methods 0.000 claims abstract description 6
- 239000013078 crystal Substances 0.000 claims description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 210000004907 gland Anatomy 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 24
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 21
- 229960000909 sulfur hexafluoride Drugs 0.000 description 21
- 239000003921 oil Substances 0.000 description 17
- 229910018503 SF6 Inorganic materials 0.000 description 15
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 239000012780 transparent material Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/26—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences
- G01N9/266—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring pressure differences for determining gas density
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electric Clocks (AREA)
Abstract
The invention discloses an SF6 gas density meter integrating surface glass and a surface case. The density meter comprises a shell, and an index dial, a foundation support, an end seat, a chassis, a Bourdon tube, a core and a pointer which are arranged in the shell, wherein the shell adopts a design way of integrating the surface glass and the surface case, the shell comprises a bottom surface and a side surface perpendicular to the bottom surface, the side surface of the shell and the chassis are connected with each other by virtue of a fixed part so that the shell and the chassis are connected together, a sealing part is arranged on a position, adjacent to the chassis and by the side of the fixed part, of the shell and the chassis, the foundation support is fixed on the chassis in a sealing manner by virtue of a sealing part and a fixed part, one end of the Bourdon tube is welded on the foundation support, the other end of the Bourdon tube is welded on the end seat, the pointer, the index dial and the core are sequentially fixed on the foundation support, and the foundation support is connected with other peripheral devices by virtue of a connector assembly. Compared with the prior art, since the SF6 gas density meter integrating the surface glass and the surface case is integrally formed, the sealing effect can be improved, the production process can be greatly simplified, the efficiency is increased, the cost is reduced, and the SF6 gas density meter can be well applied to an SF6 electrical device.
Description
Technical field
The present invention relates to the device for detecting density of high voltage electric equipment, particularly relate to the SF that a kind of watch crystal is integrated with watchcase
6air density meter.
Background technology
SF
6electric product has been widely used in power department, industrial and mining enterprises, facilitates the fast development of power industry.Ensure reliable and secure operation one of vital task becoming power department of sulphur hexafluoride electric product.The arc-extinguishing medium of sulphur hexafluoride electric product and dielectric are sulfur hexafluoride gas, therefore can not leak gas, if leaked gas, just can not ensure the reliable and secure operation of sulphur hexafluoride electric product, so the sulphur hexafluoride force value of monitoring sulphur hexafluoride electric product or density value are very necessary.
At industrial circle with in routine duties and in other field, use the density meter of housing topping up miscellaneous (as vibrationproof oil) or inflation (as sulfur hexafluoride gas, nitrogen) all in a large number, facilitate the progress of the mankind and the development of civilization.As the shock type oil dumped pressure gauge of department's extensive uses such as electric power, chemical industry, metallurgy, water supply, as the absolute pressure type sulfur hexafluoride density table of extensive use in electric power system, oil-filled type electro connecting pressure gauge and oil-filled type sulfur hexafluoride gas density relay isodensity table.These density meters all play huge effect in respective post, facilitate the fast development of human society.How to ensure that gas in the housing of these density meters or liquid can not leak, ensure the reliable and secure operation of its system, become one of the vital task and work of people.Because the performance quality of these density meters directly has influence on the reliable and secure operation of its related system, be installed on these on-the-spot density meters, often there is gas in its housing or liquid generation leakage problem in after date through one section time.From practical operation situation, these density meter leakage of oils or gas leak phenomenon are very general, have a strong impact on the safety of system and reliable, simultaneously as changed these density meters expensive funds again.Because the junction block on these density meters and the sealing of housing are owing to being take to seal in cambered surface, its sealing effectiveness is bad, usually leakage of oil or leakage problem can occur; Because the observation window on these density meters is also seal in little cambered surface, its sealing effectiveness is bad, usually leakage of oil or leakage problem can occur.
Be used for monitoring sulfur hexafluoride density in prior art and generally adopt a kind of pointer type density relay of machinery, have and can to report to the police when gas leakage occurs sulphur hexafluoride electric product and the performance of blocking function and on-the-spot display density value.The density monitor contact of current use mainly adopts electric contact type and sensitive switch type, electric contact type density monitor generally all will fill the silicone oil of antivibration, and the density monitor of sensitive switch type vibrates special occasion at some also needs to fill vibrationproof oil, and the density monitor of at present these oil-filled or inflations is in the world due to its junction block, the sealing of observation window and housing is all take above to seal in cambered surface (or little cambered surface), its sealing effectiveness is bad, usually can there is leakage of oil or leakage problem in housing and watch crystal (observation window) place, bring error, loss is brought to user.Also normal use can be affected time serious.And these inflations or oil-filled density monitor comprise watchcase 301, table cover 201, seal 401 and observation window 101 (as shown in fig. 1) in the market, watchcase 301 upper end is provided with seal 601, and watchcase 301 has fore shaft at fore shaft A place.The sealing surface of the relative observation window 101 of the openend due to current watchcase 301 is cambered surface or facet; seal 401 is placed on facet or in cambered surface and is easily shifted; and do not have the effect of sealing; therefore usually leakage of oil or leakage problem can be there is; bring error; more bring loss to user, time serious, also can affect normal use.And most importantly this seal approach, the seal compression of its seal can not get good control, if seal compression is large, on the one hand, may cause rubber seal that compression set occurs when mounted; On the other hand, make rubber seal produce larger equivalent von mises stress, thus cause the inefficacy of rubber seal material, greatly lower its useful life, and cause gas leakage or leakage of oil; If instead when decrement is too small, be just easy to produce leakage.So housing gas leakage or Leakage usually can occur for this density meter or density monitor, bring error, more bring loss to user, time serious, also can affect normal use.And the density meter of this structure, manufacturing cost is higher, needs multiple part, and these part manufacturing cost are high.And because glass is more fragile, and bad installation, so all adopt a lot of parts to fix in prior art, this not only sealing effectiveness be not fine, also can waste a lot of materials, thus add the cost of making.Present market economy, needs to simplify to the manufacture craft of product, raises the efficiency, reduce costs, enhance competitiveness.
Therefore, urgently develop a kind of good seal performance, simplify manufacture craft, raise the efficiency, the sulfur hexafluoride gas density meter that reduces costs or density monitor.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind of watch crystal SF integrated with watchcase
6air density meter, not only good seal performance, manufacture craft also compare simplification, also improve operating efficiency, reduce cost, thus can practical requirement.
For achieving the above object, the invention provides a kind of watch crystal SF integrated with watchcase
6air density meter, the SF that this watch crystal is integrated with watchcase
6air density meter comprises housing and is arranged at the dial in described housing, pedestal, sit up straight, chassis, Baden manages, movement and pointer, wherein, the design that described housing adopts watch crystal integrated with watchcase, described housing comprises bottom surface and the side perpendicular with bottom surface, described side and the described chassis of described housing are linked together by fixture, thus described housing and described chassis are linked together, described housing and described chassis are provided with seal on the side, position of described fixture near described chassis place, described pedestal is fixed on described chassis by described seal and the sealing of described fixture, one end of described Baden pipe is welded on described pedestal, sit up straight described in the other end of described Baden pipe is welded on, described pointer, described dial and described movement are fixed on described pedestal successively, described pedestal is connected with other outside equipment by adapter assembly.
Further, the SF that described watch crystal is integrated with watchcase
6air density meter also comprises temperature compensating element, and one end of described temperature compensating element is connected with described sitting up straight, and the other end of described temperature compensating element is connected with described movement.
Further, described temperature compensating element is bimetallic material.
Further, described temperature compensating element is that inside is filled with can for the closed structure of the gas of temperature-compensating.
Further, the cross section of described Baden pipe is rectangular or oval, and the width of described Baden pipe is 14 ~ 40mm.
Further, the SF that described watch crystal is integrated with watchcase
6air density meter also comprises sealing gland screw, and described sealing gland screw is fixed on described chassis or described housing by described seal.
Further, the bottom surface of housing is transparent.
Further, the SF that described watch crystal is integrated with watchcase
6air density meter also comprises Baden and manages anti-transport guard member, and the outside that anti-transport guard member is arranged on described Baden pipe is managed by described Baden.
Further, the SF that described watch crystal is integrated with watchcase
6air density meter also described movement is the structure with damping.
Further, the SF that described watch crystal is integrated with watchcase
6air density meter also comprises warning block signal contact, and described warning block signal contact is arranged on described pedestal by link, and is arranged between described dial and described movement.
Compared with prior art, due to SF that watch crystal of the present invention is integrated with watchcase
6air density meter is integrated, can improve sealing effectiveness, simplify manufacture craft widely, raise the efficiency, reduce costs, and can be applied on sulfur hexafluoride electrical equipment well.
Adopt above-mentioned technical scheme, make the SF that a kind of watch crystal of the present invention is integrated with watchcase
6air density meter can be suitable at various application in substations, the pressure of sulfur hexafluoride gas or density in control & monitor airtight container, be applied on sulfur hexafluoride electrical equipment simultaneously, for the Leakage Gas situation occurred in sulfur hexafluoride electrical equipment, can immediately show, for ensureing that electric power safety plays a role.Watch crystal of the present invention adopts integrated technical scheme with watchcase, employing transparent material makes, eliminate table cover, by the sealing surface of less arc-shaped is improved to sealing contact surface plane greatly, also adopt sealing ring to be located at integrated watchcase by groove and between watch crystal and chassis, the seal compression of seal can be made to be controlled effectively, thus make the target that its seal compression reaches predetermined simultaneously, extend the useful life of seal greatly, improve sealing property.This density meter of what is more important (or relay) can fill vibrationproof oil, also can inflatable body, greatly improves the quality of products, and expands products application scope.Exactly the manufacture craft of product be enormously simplify in addition, improve efficiency, reduce cost, greatly increase competitiveness.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is the pointer sulfur hexafluoride gas gauge of prior art or the structural representation of density meter;
Fig. 2 is the watch crystal of the present invention SF integrated with watchcase
6the structural representation of the embodiment one of air density meter;
Fig. 3 is the watch crystal of the present invention SF integrated with watchcase
6the structural representation of the embodiment two of air density meter.
In accompanying drawing, 1 represents Baden's pipe, 2 represent housing, 3 represent chassis, 4 represent seal, 5 represent fixture, 6 represent seal, 7 represent sealing gland screw, 8 represent seal, 9 represent pedestal, 10 represent fixture, 11 represent adapter assembly, 12 represent pointer, 13 represent movement, 14 represent dial, 15 represent warning block signal contact, 16 represent junction block, 17 represent seal, 18 represent link, 19 represent cable, 20 expressions are sat up straight, 21 represent bottom surface, 22 represent side, 301 represent watchcase, 201 represent table cover, 401 represent seal, 101 represent observation window, 601 represent seal, A represents fore shaft.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, for the pointer sulfur hexafluoride gas gauge of prior art or the structural representation of density meter, as shown in FIG., these inflations or oil-filled density monitor comprise watchcase 301, table cover 201, seal 401 and observation window 101 in the market, watchcase 301 upper end is provided with seal 601, and watchcase 301 has fore shaft at fore shaft A place.The sealing surface of the relative observation window 101 of the openend due to current watchcase 301 is cambered surface or facet; seal 401 is placed on facet or in cambered surface and is easily shifted; and do not have the effect of sealing; therefore usually leakage of oil or leakage problem can be there is; bring error; more bring loss to user, time serious, also can affect normal use.
Fig. 2 is the watch crystal of the present invention SF integrated with watchcase
6the structural representation of the embodiment one of air density meter, is a preferred embodiment of the present invention, as shown in FIG., the invention provides the SF that a kind of watch crystal is integrated with watchcase
6air density meter, the SF that this watch crystal is integrated with watchcase
6air density meter comprises housing 2, dial 14, pedestal 9, chassis 3, Baden's pipe 1, movement 13, pointer 12 and sits up straight 20 (see Fig. 3), wherein, dial 14, pedestal 9, chassis 3, Baden's pipe 1, movement 13, pointer 12 and sit up straight 20 and be arranged in housing 2, the design that housing 2 adopts watch crystal integrated with watchcase, and housing 2 is made for transparent material, as transparent materials such as Merlon, wherein at least bottom surface is transparent, its shape is generally circle, and namely side is generally circular.Housing 2 comprises bottom surface 21 and the side 22 perpendicular with bottom surface 21, side 22 and the chassis 3 of housing 2 are linked together by fixture 5, thus housing 2 and chassis 3 can be made to be linked together, housing 2 and chassis 3 are provided with seal 4 on the side, position of fixture 5 near described chassis 3 place, and housing 2 is fixed on chassis 3 by seal 4 and fixture 5 sealing.Pedestal 9 is fixed on chassis 3 by seal 8 and fixture 10 sealing.One end of Baden's pipe 1 is welded on pedestal 9, the other end of Baden's pipe 1 is welded on sits up straight on 20 (not marking in Fig. 2), pointer 12, dial 14 and movement 13 are fixed on pedestal 9 successively, and pedestal 9 is connected with other outside equipment by adapter assembly 11.Pedestal 9 is fixed on chassis 3 by seal 8 and fixture 10 sealing, housing 2, chassis 3 and pedestal 9 is made to form a seal chamber, reach the function of absolute pressure gauge, the present invention also comprises a sealing gland screw 7, sealing gland screw 7 is fixed on chassis 3 or housing 2 by seal 6, not only can play better sealing function like this, the air pressure that also guaranteed housing 2 inside seals is atmospheric pressure (being generally standard atmospheric pressure).Because there is no sealing gland screw 7, housing 2 and chassis 3 seal be fixed together time, inner air pressure will be squeezed, and is not just the local standard atmospheric pressure sealed, table meter will be made to have been forbidden.And had the effect of sealing gland screw 7 that this phenomenon would not occur, because after housing 2 and chassis 3 are sealed and be fixed together, then seal sealing gland screw, because sealing gland screw is little, shared volume is very little, and the air pressure of the inside would not change.
The SF that watch crystal of the present invention is integrated with watchcase
6air density meter also comprises temperature compensating element (not shown), one end of this temperature compensating element with sit up straight 20 and be connected, the other end of temperature compensating element is connected with movement 13, temperature compensating element is metal material, temperature compensating element is that inside is filled with can for the closed structure of the gas of temperature-compensating, temperature compensating element is bimetallic material (or airtight gas+connecting rod being filled with temperature-compensating), Baden's pipe 1 is c-shaped, its cross section is rectangular or oval, its one end is welded on pedestal 9 and is also communicated with it, the other end is welded on sits up straight on 20.In order to improve resistance to shock, in addition the width of Baden's pipe 1 being increased to 14 ~ 40mm, also can improving the resistance to shock of Baden's pipe 1.In addition; density meter can also manage anti-transport guard member (not shown) with Baden; the outside that anti-transport guard member is arranged on Baden's pipe 1 is managed by Baden; its resistance to shock of further raising; the movement 13 of pointer density meter of the present invention with damping mechanism, can also improve its resistance to shock further.
The SF that watch crystal of the present invention is integrated with watchcase
6the action principle of air density meter is based on flexible member Baden pipe 1, the pressure and temperature of temperature compensating element to change is utilized to revise, the change of reaction sulfur hexafluoride gas density, namely under the pressure effect of measured medium sulfur hexafluoride gas, due to the effect having temperature compensating element, the change of its density value, force value also changes accordingly, the end of Baden's pipe 1 is forced to produce corresponding strain---displacement, by means of temperature compensating element, pass to movement 13, movement 13 passes to again pointer 12, indicate on dial 14 by by tested sulfur hexafluoride gas density value.
Fig. 3 is the watch crystal of the present invention SF integrated with watchcase
6the structural representation of air density meter embodiment two, Baden's pipe 1 is c-shaped, and its cross section is rectangular or oval, and its one end is welded on pedestal 9 and is also communicated with it, and the other end is welded on sits up straight on 20.Compared with the first embodiment, add warning block signal contact 15, warning block signal contact 15 is arranged on pedestal 9 by link 18, and is arranged between dial 14 and movement 13.Junction block 16 is fixed on chassis 3 by seal 17 sealing, and block signal contact 15 of reporting to the police is exported by junction block 16, and then outputs to equipment or system by cable 19.If leaked gas, its density value has dropped to a certain degree (reach warning or locking value), reports to the police or locking contact, sends corresponding signal (reporting to the police or locking), reaches monitoring and controlling and the SF in equipment such as electrically to start
6gas density, makes electric equipment trouble free service.
Watch crystal of the present invention and watchcase adopt integrated technological innovation scheme, employing transparent material makes, eliminate table cover, by the sealing surface of less arc-shaped is improved to sealing contact surface plane greatly, also adopt sealing ring to be located at integrated watchcase by groove and between watch crystal and chassis, the seal compression of seal can be made to be controlled effectively, make the target that its seal compression reaches predetermined simultaneously, extend the useful life of seal greatly, improve sealing property.This density meter of what is more important (or relay) can fill vibrationproof oil, also can inflatable body, greatly improves the quality of products, and expands products application scope.Exactly the manufacture craft of product be enormously simplify in addition, improve efficiency, reduce cost, greatly increase competitiveness.Be exactly in addition, because watch crystal and watchcase adopt integrated technological innovation scheme, need not reducing, so the external diameter of this density meter (or relay) can do less, more applications can be adapted at.
Those of ordinary skill in the art will be appreciated that, it is of the present invention that above embodiment is only used to explanation, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of the above embodiment, modification.Described density meter can also comprise and has teletransmission communication function; Described density meter can also further extend to density switch.Should be appreciated that the ordinary skill of this area just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection range of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. the SF that a watch crystal is integrated with watchcase
6air density meter, it is characterized in that, comprise housing and be arranged at the dial in described housing, pedestal, sit up straight, chassis, Baden manages, movement and pointer, wherein, the design that described housing adopts watch crystal integrated with watchcase, described housing comprises bottom surface and the side perpendicular with described bottom surface, described side and the described chassis of described housing are linked together by fixture, thus described housing and described chassis are linked together, described housing and described chassis are provided with seal on the side, position of described fixture near described chassis place, described pedestal is fixed on described chassis by described seal and the sealing of described fixture, one end of described Baden pipe is welded on described pedestal, sit up straight described in the other end of described Baden pipe is welded on, described pointer, described dial and described movement are fixed on described pedestal successively, described pedestal is connected with other outside equipment by adapter assembly.
2. the SF that watch crystal as claimed in claim 1 is integrated with watchcase
6air density meter, is characterized in that, also comprises temperature compensating element, and one end of described temperature compensating element is connected with described sitting up straight, and the other end of described temperature compensating element is connected with described movement.
3. the SF that watch crystal as claimed in claim 2 is integrated with watchcase
6air density meter, is characterized in that, described temperature compensating element is bimetallic material.
4. the SF that watch crystal as claimed in claim 2 is integrated with watchcase
6air density meter, is characterized in that, described temperature compensating element is that inside is filled with can for the closed structure of the gas of temperature-compensating.
5. the SF that watch crystal as claimed in claim 4 is integrated with watchcase
6air density meter, is characterized in that the cross section of described Baden pipe is rectangular or oval, and the width of described Baden pipe is 14 ~ 40mm.
6. the SF that watch crystal as claimed in claim 5 is integrated with watchcase
6air density meter, is characterized in that, also comprises sealing gland screw, and described sealing gland screw is fixed on described chassis or described housing by described seal.
7. the SF that watch crystal as claimed in claim 1 is integrated with watchcase
6air density meter, is characterized in that, the bottom surface of described housing is transparent.
8. the SF that watch crystal is as claimed in claims 6 or 7 integrated with watchcase
6air density meter, is characterized in that, also comprises Baden and manages anti-transport guard member, and the outside that anti-transport guard member is arranged on described Baden pipe is managed by described Baden.
9. the SF that watch crystal as claimed in claim 8 is integrated with watchcase
6air density meter, is characterized in that, described movement is the structure with damping.
10. the SF that watch crystal as claimed in claim 9 is integrated with watchcase
6air density meter, is characterized in that, also comprises warning block signal contact, and described warning block signal contact is arranged on described pedestal by link, and is arranged between described dial and described movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788321.7A CN105338774B (en) | 2015-11-17 | 2015-11-17 | A kind of watch crystal and the integrated SF of watchcase6Air density meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510788321.7A CN105338774B (en) | 2015-11-17 | 2015-11-17 | A kind of watch crystal and the integrated SF of watchcase6Air density meter |
Publications (2)
| Publication Number | Publication Date |
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| CN105338774A true CN105338774A (en) | 2016-02-17 |
| CN105338774B CN105338774B (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510788321.7A Active CN105338774B (en) | 2015-11-17 | 2015-11-17 | A kind of watch crystal and the integrated SF of watchcase6Air density meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037042A (en) * | 2018-01-12 | 2018-05-15 | 上海乐研电气有限公司 | A kind of air density meter |
| CN111192791A (en) * | 2020-03-11 | 2020-05-22 | 上海乐研电气有限公司 | High-vibration-resistance gas density relay |
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| US4214474A (en) * | 1977-10-04 | 1980-07-29 | Bbc Brown, Boveri & Co., Ltd. | Density monitoring apparatus |
| CN2856956Y (en) * | 2005-12-15 | 2007-01-10 | 黄伯春 | Manometer |
| CN202195908U (en) * | 2011-07-21 | 2012-04-18 | 上海乐研电气科技有限公司 | Vibration-resisting pointer type sulfur-hexafluoride gas pressure gauge |
| CN205179580U (en) * | 2015-11-17 | 2016-04-20 | 上海乐研电气科技有限公司 | Table glass and SF6 gas density of watchcase integration show |
-
2015
- 2015-11-17 CN CN201510788321.7A patent/CN105338774B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4214474A (en) * | 1977-10-04 | 1980-07-29 | Bbc Brown, Boveri & Co., Ltd. | Density monitoring apparatus |
| CN2856956Y (en) * | 2005-12-15 | 2007-01-10 | 黄伯春 | Manometer |
| CN202195908U (en) * | 2011-07-21 | 2012-04-18 | 上海乐研电气科技有限公司 | Vibration-resisting pointer type sulfur-hexafluoride gas pressure gauge |
| CN205179580U (en) * | 2015-11-17 | 2016-04-20 | 上海乐研电气科技有限公司 | Table glass and SF6 gas density of watchcase integration show |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037042A (en) * | 2018-01-12 | 2018-05-15 | 上海乐研电气有限公司 | A kind of air density meter |
| CN108037042B (en) * | 2018-01-12 | 2024-04-09 | 上海乐研电气有限公司 | Gas density meter |
| CN111192791A (en) * | 2020-03-11 | 2020-05-22 | 上海乐研电气有限公司 | High-vibration-resistance gas density relay |
| CN111192791B (en) * | 2020-03-11 | 2025-04-22 | 上海乐研电气有限公司 | A high vibration-resistant gas density relay |
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