CN204537936U - A kind of SF of fluid-filled medium of hermetic type 6gas density relay - Google Patents
A kind of SF of fluid-filled medium of hermetic type 6gas density relay Download PDFInfo
- Publication number
- CN204537936U CN204537936U CN201420446187.3U CN201420446187U CN204537936U CN 204537936 U CN204537936 U CN 204537936U CN 201420446187 U CN201420446187 U CN 201420446187U CN 204537936 U CN204537936 U CN 204537936U
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- China
- Prior art keywords
- glass
- junction block
- seal
- fluid
- density relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 39
- 239000011521 glass Substances 0.000 claims abstract description 75
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 230000007704 transition Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 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 30
- 239000002184 metal Substances 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 10
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 210000005056 cell body Anatomy 0.000 claims description 2
- 239000011257 shell material Substances 0.000 claims description 2
- 238000013459 approach Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 33
- 239000003921 oil Substances 0.000 description 31
- 238000010586 diagram Methods 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229910018503 SF6 Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920006361 Polyflon Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- -1 sees Fig. 7 Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/26—Details
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Contacts (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a kind of SF of fluid-filled medium of hermetic type
6gas density relay, it comprises, and housing installs transition piece with the body (comprising indication mechanism, contact control section) be arranged in housing, junction block, junction block, seal, table cover, glass, glass seal are sat in wiring.Junction block wherein and the seal approach of housing are innovated very much, can bring good sealing effectiveness, greatly improve the sealing matter performance of product.The utility model topping up type (or Puffer-type) SF
6gas density relay appearance is more attractive in appearance, and sealing property is fine, can fill vibrationproof oil with and oil impregnate phenomenon can not occur, more can not have water leakage; Or make absolute pressure type density monitor, meet high altitude localities and use.
Description
Technical field
The utility model relates to a kind of relay, particularly relates to one and is applied in SF
6a kind of fluid-filled SF on electric equipment
6gas density relay.
Background technology
At industrial circle, in routine duties, in other field, use topping up on housing miscellaneous (as vibrationproof oil) or inflation (as SF all in a large number
6gas) instrument, facilitate progress and the development of civilization of the mankind.As chemical industry, electric power, metallurgical, the shock type oil dumped pressure gauge of department's extensive uses such as water supply, as electric power, the oil-filled type electro connecting pressure gauge of factory's extensive use and oil-filled type SF
6gas density relay, etc. more than one hundred million instrument.These instrument all play huge effect in respective post, facilitate the fast development of human society.How to ensure that liquid in the housing of these instrument or gas can not leak, namely 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 instrument directly has influence on the reliable and secure operation of its related system.Be installed on on-the-spot these instrument various, often there is liquid in its housing or gases did escape problem in after date through one section time.From practical operation situation, these instrument 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 instrument expensive funds again.Because the junction block in these instrument and the sealing of housing are owing to being take to seal (as shown in Figure 1) in cambered surface, its sealing effectiveness is bad, usually leakage of oil or leakage problem can occur; Because the observation window in these instrument is also seal (as shown in Figure 2) in little cambered surface, its sealing effectiveness is bad, usually leakage of oil or leakage problem can occur; Because oil-filled (or inflation) mouth in these instrument is also seal in little cambered surface, its sealing effectiveness is bad, usually leakage of oil or leakage problem can occur.
Such as, current SF
6electric product is widely used in power department, industrial and mining enterprises, facilitates the fast development of power industry.Ensure SF
6reliable and secure operation one of vital task becoming power department of electric product.SF
6the arc-extinguishing medium of electric product and dielectric are SF
6gas, can not leak gas, if leak gas, just can not ensure SF
6the reliable and secure operation of electric product.So monitoring SF
6the SF of electric product
6density value is very necessary.Be used for now monitoring SF
6density generally adopts a kind of pointer type density relay of machinery, has and works as SF
6can report to the police and blocking function when gas leakage occurs electric product, also have the performance of 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 these oil-filled or inflations at present due to its junction block, observation window, oil-filled (or inflation) mouth be all take to go up in cambered surface (or little cambered surface) to seal with the sealing of housing; its sealing effectiveness is bad; usually can there is leakage of oil or leakage problem, bring loss to user.In addition, in high altitude localities, also need density monitor or the density meter of absolute pressure type, for the density monitor of absolute pressure type or density meter, just need its housing to have good sealing property.
Summary of the invention
The purpose of this utility model, is the problems referred to above solving prior art existence, provides a kind of SF of fluid-filled medium of hermetic type
6gas density relay.The utility model, by improving its housing seal technology, improves the sealing property of its housing, greatly for ensureing that its system safety reliably plays great function.
The purpose of this utility model is achieved in that a kind of SF of fluid-filled medium of hermetic type
6gas density relay, comprise housing and be arranged on the body in housing, body comprises indicating value display and contact control section, it also comprises junction block sealing mechanism, in described junction block sealing mechanism, comprises a pedestal be made up of metal and glass, pedestal is installed transition piece by junction block or is directly sealed the junction block exit being fixed on housing, junction block is fixed on housing, and again, the lead-out wire of pedestal is connected with the lead-out wire of junction block.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, in described junction block sealing mechanism, described junction block installs the junction block exit that transition piece sealing is fixed on housing; And be provided with seal between junction block installation transition piece and junction block, then junction block is fixed on junction block installation transition piece.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, being split or being connected of described junction block transition piece.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, the outside of described junction block transition piece is added with junction block transition piece Decorative shell.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, on described junction block transition piece, cover has an insulating case.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, it also comprises observation window sealing mechanism, and in described observation window sealing mechanism, observation window sealing mechanism is made up of table cover, glass, glass seal a and glass seal b; Glass seal a and glass seal b is placed on watchcase or groove corresponding to glass, and table cover is fixed on housing, and table cover compresses glass and seal, and positiver sealing.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, the cell body on described glass lays respectively at side and the end face of glass and watchcase contact position step.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, the glass seal at the end face place of glass and watchcase contact position step is L shape, and extends to around glass and table cover contact-making surface from glass and watchcase contact-making surface.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, described observation window sealing mechanism comprises table cover, glass, glass seal a and glass seal b, and the junction of watchcase and glass is provided with the space that a circle step forms an accommodation glass capsulation circle, another sealing ring is positioned at glass and table cover flange contact-making surface.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, it also comprises and fluid media (medium) inlet seal mechanism; Described fluid media (medium) inlet seal mechanism comprise be located in type of tamper evidence fluted, sealing groove place sealing; Or described density monitor also fixes a transition seat at the medium entrance place of its housing, it and housing seal are fixing, and seal is placed on the groove of this transition piece, and by type of tamper evidence the seal are fixed and compress; The seal be placed on this transition piece groove in or type of tamper evidence groove in; Or seal is just placed in the plane of their Contact of face that transition piece contacts with type of tamper evidence.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, described pedestal comprises in annular metal shell, metal shell establishes glass and the electric-conductor through glass, and wherein metal shell and glass, glass and electric-conductor are sintered into one mutually.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, described metal shell outside is provided with groove.
The SF of the fluid-filled medium of described a kind of hermetic type
6gas density relay, described pedestal comprises the metal shell of annular, casting insulated resin in metal shell, and passes the electric-conductor of insulating resin.
The SF6 gas density relay of the fluid-filled medium of described a kind of hermetic type, described pedestal and junction block are one.
The utility model has carried out very large innovation for housing seal mode, makes its housing seal performance better, can not occur to leak vibrationproof oil or leak gas and infiltration phenomenon.This relay of what is more important can fill vibrationproof oil, also can inflatable body, greatly improves the quality of products, and greatly improves products application scope, can accomplish good absolute pressure requirement.
Accompanying drawing explanation
Fig. 1 is the terminal base structure schematic diagram of the sulfur hexafluoride gas density relay of prior art;
Fig. 2 is the observation window structural representation of the pointer sulfur hexafluoride gas density relay of prior art;
Fig. 3 is junction block sealing mechanism embodiment 1 schematic diagram of the present utility model;
Fig. 4 is the cutaway view of junction block sealing mechanism embodiment 1 of the present utility model;
Fig. 5 is junction block sealing mechanism embodiment 2 schematic diagram of the present utility model;
Fig. 6 is junction block sealing mechanism embodiment 3 schematic diagram of the present utility model;
Fig. 7 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 1 schematic diagram;
Fig. 8 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 2 schematic diagram;
Fig. 9 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 3 schematic diagram;
Figure 10 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 4 schematic diagram;
Figure 11 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 5 schematic diagram;
Figure 12 is observation window sealing mechanism of the present utility model and medium entrance sealer embodiment 6 schematic diagram;
Figure 13 is the cutaway view of pedestal embodiment 1 of the present utility model;
Figure 14 is the end view of the pedestal shown in Figure 13;
Figure 15 is the schematic diagram of the other end of pedestal shown in Figure 13;
Figure 16 is the schematic diagram of the embodiment 2 of pedestal;
Figure 17 is the schematic appearance of pedestal shown in Figure 16;
Figure 18 is the schematic diagram of pedestal embodiment 3;
Figure 19 is the schematic diagram of pedestal embodiment 4.
Embodiment
Refer to Fig. 3 and Fig. 4, the SF of the fluid-filled medium of a kind of hermetic type of the present utility model
6the first terminal base structure schematic diagram of gas density relay, primarily of housing 1 and the body be arranged in housing (comprise indicating value display and contact control section, do not mark in figure), junction block sealing mechanism.Seal approach for junction block and watchcase: the chimb that exports at the junction block of watchcase (or plane, or concave surface, or cambered surface) is fixed a junction block and installed transition piece 121 and 122, and it and watchcase 1 seal to fix, and can take to be welded and fixed.One pedestal be made up of metal and glass 21, pedestal 21 sealing is fixed on junction block and installs on transition piece 121, wherein pedestal 21 can be fixed on junction block installation transition piece 121 by welded seal, or pedestal 21 can be fixed on junction block with sealing ring sealing and install on transition piece 121, and junction block 6 is fixed on junction block installation transition piece 122, again, the lead-out wire of pedestal 21 is connected with the lead-out wire of junction block 6.In order to improve its aesthetic property, a junction block transition piece Decorative shell 15 can also be added in the outside of junction block transition piece 121 and 122.Through improving the sealing property that just greatly can improve it like this.Pedestal 21 directly can seal the junction block exit being fixed on housing 1 in addition, and junction block 6 can directly be fixed on pedestal 21, or junction block 6 can directly be fixed on housing 1.
Refer to Fig. 5, Second Linking Method holder structure schematic diagram, density monitor of the present utility model is primarily of housing 1 and the body be arranged in housing (comprise indicating value display and contact control section, do not mark in figure), junction block sealing mechanism.Seal approach for junction block and watchcase: the chimb that exports at the junction block of watchcase (or plane, or concave surface, or cambered surface) is fixed a junction block and installed transition piece 121 and 122, and it and watchcase 1 seal to fix, and can take to be welded and fixed.Wiring is sat seal 7 and is placed on the groove of junction block installation transition piece 121, and then junction block 6 is fixed on junction block installation transition piece 122.In order to improve its aesthetic property, a junction block transition piece Decorative shell 15 can also being added in the outside of junction block transition piece, in order to improve the electric insulation of wiring, an insulating case 14 can also be overlapped on junction block transition piece.By above process, the technology that the cambered surface that we can take original people always seals changes flat seal into, through improving the sealing property that just greatly can improve it like this.
Refer to Fig. 6, the third terminal base structure of the present utility model, the utility model is primarily of housing 1 and the body be arranged in housing (comprise indicating value display and contact control section, do not mark in figure), junction block sealing mechanism.This transition piece can be integrated, forms by 12.And the seal 7 is placed in the groove of junction block 6.The face that transition piece contacts with wiring in addition also can be plane completely, and the seal is just put in the plane that contacts between which.
Refer to Fig. 7, the first observation window sealed structural representation of the present utility model, wherein observation window sealing mechanism is made up of table cover 2, glass 4, glass seal a31 and glass seal b32, wherein, glass 4 is with two grooves, and glass seal a and glass seal b is placed on the groove of this glass, and table cover 2 is fixed on housing 1, table cover 2 compresses glass 4 and seal, and positiver sealing.Owing to adopting 2 road sealings, it is made to seal more reliable.
Refer to Fig. 8, the utility model the second observation window sealed structural representation, wherein observation window sealing mechanism is made up of table cover 2, glass 4, glass seal a31 and glass seal b32, and wherein, glass 4 is with a groove, glass seal a31 is placed on the groove of this glass, and glass seal a32 is profile seal part, be placed between glass 4 and watchcase 1, table cover 2 is fixed on housing 1, table cover 2 compresses glass 4 and seal, and positiver sealing.Owing to adopting 2 road sealings, it is made to seal more reliable.
Refer to Fig. 9, the third observation window sealed structural representation of the utility model, compared with Fig. 6, watchcase 1 is straight mouth.
Refer to Figure 10, the 4th kind of observation window sealed structural representation of the present utility model, compared with Fig. 7, watchcase 1 is straight mouth.
Refer to Figure 11 or 12, the 5th kind of observation window sealed structural representation of the present utility model, compared with Fig. 8, watchcase 1 is with seal step.
Above case, housing 1 is fluted with glass 4 contact position band, and glass seal a and glass seal b is placed on the groove of this housing, and table cover is fixed on housing, and table cover compresses glass and seal, and positiver sealing.
Refer to Fig. 7 to 12, the utility model is for the seal approach of medium entrance: medium is hydraulic oil or inert gas, sees Fig. 7, and oil-filled mouth type of tamper evidence 18 is directly fluted, seal 17 is placed in this groove, and then oil-filled mouth type of tamper evidence 18 is directly fixed on watchcase 1.See Fig. 8 to Figure 12, also comprise oil-filled (or inflation) mouth transition seat 19, oil-filled mouth seal 17, oil-filled mouth type of tamper evidence 18.Fix oil-filled (or inflation) mouth transition seat 19 at the chimb (or convex flat face, or concave plane, or cambered surface) of the oil-filled mouth of watchcase, it and watchcase 1 seal (can take to be welded and fixed) of fixing.Oil-filled mouth seal 17 is placed on the groove of this transition piece 19, then by oil-filled mouth type of tamper evidence 18 seal is fixed and compresses.The seal 17 is placed in the groove on this transition piece 19; Also can be placed in the groove of type of tamper evidence 18; The face that this transition piece 19 contacts with oil-filled mouth type of tamper evidence 18 also can be plane completely, and the seal is just put in the plane that contacts between which.As shown in Figure 7, we can seal fixing (as welding) on watchcase 1 oil-filled (or inflation) mouth transition seat 19, again oil-filled mouth seal 17 is placed in the groove of this transition seat 19, and then oil-filled mouth type of tamper evidence 18 is fixed on this transition seat 19, so just can utilize oil-filled mouth type of tamper evidence 18 that seal 17 is compressed, reach good sealing effectiveness, can oil sealing or envelope gas.By above process, the technology that the little cambered surface that we can take original people always seals changes planar band groove or large flat seal into, through improving the sealing property that just greatly can improve it like this.
The sealing property of described pedestal is very important, is also most crucial innovative point of the present invention, most critical innovative point, most important innovative point, and it has multiple embodiments, is illustrated respectively below:
Embodiment 1
Refer to Figure 13 to 15, the pedestal 21 be made up of metal and glass comprises in annular metal shell 211, this metal shell 211 establishes glassy layer 212 and the electric-conductor 213 through glassy layer 212, its middle shell 211, glass 212, electric-conductor 213 form one by a mould through oversintering, thus guarantee sealing, thoroughly can seal up gas or liquid.Fluted on its middle shell 211 cylindrical, can be sealed connected together by sealing ring with other part.
Embodiment 2
Refer to Figure 16 to 17, its difference with embodiment 1 is, the electric-conductor 213 of embodiment 1 is distributed on an annulus, and the electric-conductor of the present embodiment is distributed on the center of circle of annulus and this annulus.
Embodiment 3
Refer to Figure 18, the difference of the present embodiment and embodiment 1 is, its metal shell 212 stage casing is a baffle plate being provided with the hole passed for electric-conductor 213, between each electric-conductor 213 and housing, filling glass 212 is with isolation, and housing 211, glass 212, electric-conductor 213 are integral through high temperature sintering by a mould equally, to guarantee sealing, thoroughly gas or liquid can be sealed up.
Embodiment 4
Refer to Figure 19, fluted in the middle part of metal shell 211 inner ring of the present embodiment, and change the glassy layer of foregoing embodiments into insulating resin layer 212; Metal shell 211, insulating resin 212, electric-conductor 213 are bonded to one each other, guarantee sealing, thoroughly can seal up gas or liquid.Insulating resin in the present embodiment can adopt the exhausted resin-cast such as epoxy resin, phenolic resins, mylar, polyamide, polysulfone resin, polyimide resin or polyflon or pressure injection to form as required.
Lead-out wire just because of density monitor have employed pedestal Sealing Technology, its sealing effectiveness beyond imagination, thoroughly can solve the Leakage of oil-filled type density monitor, this is most crucial innovative point of the present invention, most critical innovative point, most important innovative point.
Pedestal 21 and the junction block 6 of density monitor of the present invention can directly be made of one, and improve sealing property further.The profile of housing 211 is except annular in addition, can also be other shape.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, 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.
Claims (15)
1. the SF of the fluid-filled medium of a hermetic type
6gas density relay, comprise housing and be arranged on the body in housing, body comprises indicating value display and contact control section, it is characterized in that: it also comprises junction block sealing mechanism, in described junction block sealing mechanism, comprise a pedestal, pedestal is installed transition piece by junction block or is directly sealed the junction block exit being fixed on housing, junction block is fixed on housing, and again, the lead-out wire of pedestal is connected with the lead-out wire of junction block.
2. the SF of the fluid-filled medium of a kind of hermetic type according to claim 1
6gas density relay, is characterized in that: in described junction block sealing mechanism, and described junction block installs the junction block exit that transition piece sealing is fixed on housing; And be provided with seal between junction block installation transition piece and junction block, then junction block is fixed on junction block installation transition piece.
3. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 1 or 2
6gas density relay, is characterized in that: described junction block and junction block are installed transition piece and be split or be connected.
4. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 1 or 2
6gas density relay, is characterized in that: the outside that described junction block installs transition piece is added with junction block installation transition piece Decorative shell.
5. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 1 or 2
6gas density relay, is characterized in that: described junction block installs cover on transition piece an insulating case.
6. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 1
6gas density relay, is characterized in that: it also comprises observation window sealing mechanism, and in described observation window sealing mechanism, observation window sealing mechanism is made up of table cover, glass, glass seal a and glass seal b; Glass seal a and glass seal b is placed on watchcase or groove corresponding to glass, and table cover is fixed on housing, and table cover compresses glass and seal, and positiver sealing.
7. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 6
6gas density relay, is characterized in that: the cell body on described glass lays respectively at side and the end face of glass and watchcase contact position step.
8. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 6
6gas density relay, is characterized in that: the glass seal at the end face place of glass and watchcase contact position step is L shape, and extends to around glass and table cover contact-making surface from glass and watchcase contact-making surface.
9. the SF of the fluid-filled medium of a kind of hermetic type as claimed in claim 6
6gas density relay, it is characterized in that: described observation window sealing mechanism comprises table cover, glass, glass seal a and glass seal b, and the junction of watchcase and glass is provided with the space that a circle step forms an accommodation glass capsulation circle, another sealing ring is positioned at glass and table cover flange contact-making surface.
10. the SF of the fluid-filled medium of a kind of hermetic type as described in claim 1 or 6
6gas density relay, is characterized in that: it also comprises fluid media (medium) inlet seal mechanism; Described fluid media (medium) inlet seal mechanism comprise be located in type of tamper evidence fluted, sealing groove place sealing.
The SF of the fluid-filled medium of 11. a kind of hermetic types according to claim 10
6gas density relay, it is characterized in that, described density monitor also fixes a transition seat at the medium entrance place of its housing, and it and housing seal are fixed, seal is placed on this junction block and installs on the groove of transition piece, and by type of tamper evidence the seal is fixed and compress; Or the seal is placed in groove that this junction block installs on transition piece or in the groove of type of tamper evidence; Or seal is just placed in the plane of their Contact of face that junction block installation transition piece contacts with type of tamper evidence.
The SF of the fluid-filled medium of 12. a kind of hermetic types according to claim 1
6gas density relay, is characterized in that, described pedestal comprises in annular metal shell, metal shell establishes glass and the electric-conductor through glass, and wherein metal shell and glass, glass and electric-conductor are sintered into one mutually.
The SF of the fluid-filled medium of 13. a kind of hermetic types according to claim 12
6gas density relay, is characterized in that, described metal shell outside is provided with groove.
The SF of the fluid-filled medium of 14. a kind of hermetic types according to claim 1
6gas density relay, is characterized in that, described pedestal comprises the metal shell of annular, casting insulated resin in metal shell, and passes the electric-conductor of insulating resin.
The SF of the fluid-filled medium of 15. a kind of hermetic types according to claim 1
6gas density relay, is characterized in that: described pedestal and junction block are one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420446187.3U CN204537936U (en) | 2013-12-04 | 2014-08-08 | A kind of SF of fluid-filled medium of hermetic type 6gas density relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784811 | 2013-12-04 | ||
| CN2013207848116 | 2013-12-04 | ||
| CN201420446187.3U CN204537936U (en) | 2013-12-04 | 2014-08-08 | A kind of SF of fluid-filled medium of hermetic type 6gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204537936U true CN204537936U (en) | 2015-08-05 |
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ID=53348094
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410388189.6A Active CN104701079B (en) | 2013-12-04 | 2014-08-08 | A kind of SF of the fluid-filled medium of hermetic type6Gas density relay |
| CN201420446187.3U Expired - Fee Related CN204537936U (en) | 2013-12-04 | 2014-08-08 | A kind of SF of fluid-filled medium of hermetic type 6gas density relay |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410388189.6A Active CN104701079B (en) | 2013-12-04 | 2014-08-08 | A kind of SF of the fluid-filled medium of hermetic type6Gas density relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701079A (en) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | Closed SF6 gas density relay filled with fluid media |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037042B (en) * | 2018-01-12 | 2024-04-09 | 上海乐研电气有限公司 | Gas density meter |
| CN113097915B (en) * | 2021-04-06 | 2022-10-14 | 国网新疆电力有限公司超高压分公司 | Monitoring alarm system containing GIS circuit breaker monitoring component |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004425Y (en) * | 2007-01-23 | 2008-01-09 | 上海乐研电气科技有限公司 | Sealing device for contact out line of gas density relay |
| US7628068B2 (en) * | 2007-10-24 | 2009-12-08 | Ashcroft, Inc. | Case, window and gasket for measuring device |
| CN102386016B (en) * | 2010-09-01 | 2014-02-19 | 上海乐研电气科技有限公司 | Absolute pressure type gas-density relay |
| CN202434357U (en) * | 2012-01-18 | 2012-09-12 | 蚌埠市立群电子有限公司 | Novel circular glass sealing wiring terminal |
| CN104701079B (en) * | 2013-12-04 | 2019-06-21 | 上海乐研电气有限公司 | A kind of SF of the fluid-filled medium of hermetic type6Gas density relay |
-
2014
- 2014-08-08 CN CN201410388189.6A patent/CN104701079B/en active Active
- 2014-08-08 CN CN201420446187.3U patent/CN204537936U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701079A (en) * | 2013-12-04 | 2015-06-10 | 上海乐研电气科技有限公司 | Closed SF6 gas density relay filled with fluid media |
| CN104701079B (en) * | 2013-12-04 | 2019-06-21 | 上海乐研电气有限公司 | A kind of SF of the fluid-filled medium of hermetic type6Gas density relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104701079A (en) | 2015-06-10 |
| CN104701079B (en) | 2019-06-21 |
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Granted publication date: 20150805 Termination date: 20200808 |