CN209282121U - A kind of seepage-proof oil SF6Gas density relay - Google Patents
A kind of seepage-proof oil SF6Gas density relay Download PDFInfo
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- CN209282121U CN209282121U CN201822254104.1U CN201822254104U CN209282121U CN 209282121 U CN209282121 U CN 209282121U CN 201822254104 U CN201822254104 U CN 201822254104U CN 209282121 U CN209282121 U CN 209282121U
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- terminal box
- relay
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Abstract
The utility model discloses a kind of seepage-proof oil SF6 gas density is relays, and including SF6 gas density is relay ontology and the termination being arranged on ontology watchcase, the termination includes the terminal set gradually, positioning plate, plate and terminal box.Seepage-proof oil SF6 gas density is relay described in the utility model, by change connecting terminal the set-up mode on watchcase come prevent SF6 gas density is relay using a period of time after there is the case where permeability, the problems such as to avoid the decline of SF6 gas density is relay shock resistance and the oxidation poor contact of electric contact contact, by the way that positioning plate and plate are arranged between connecting terminal and terminal box, reduce the overall volume that working chamber required for installing then reduces density monitor, by the way that the connection type of connecting terminal and terminal box is changed to grafting by welding, more convenient maintenance, it is easier to dismount step.
Description
Technical field
The utility model relates to high pressure corollary equipment field, specially a kind of seepage-proof oil SF6 gas density is relay.
Background technique
High-voltage switch gear is extremely important electrical equipment in electric system, and SF6 sulfur hexafluoride is widely used in high-voltage switch gear
Gas density relay, in order to improve its vibration resistance, filled with silicone oil generally inside relay, oil-filled type SF6 gas density is after
The quality of the sealing performance of electric appliance is directly related to the safe operation of equipment.
Conventional terminal box is mounted in the side of SF6 gas density is relay, and the outlet of lead is corresponding with one and connects
Line terminals, connecting terminal is sealed usually between watchcase by a rubber seal, as gas density relay makes
With the passage of time, when rubber seal aging, the leakage problems of silicone oil in watchcase is be easy to cause, are brought to high-tension switch gear
Security risk, one side silicone oil primarily serve shockproof effect, and oil leak can make the reduction of its shock resistance, in switch divide-shut brake impact
Afterwards, it may appear that the defects of pointer is stuck and bias is exceeded；On the other hand, oil leak will cause the oxidation of electric contact contact, make contact
Poor contact.
When lead between terminal box and SF6 gas density is relay is attached by welding, during installation
With regard to needing to preset relatively large working chamber in connection box, so as to the operation of welding process, while the connection type welded exists
When being overhauled and being dismounted, operating procedure is also more time-consuming more complicated.
Utility model content
The purpose of the utility model is to provide a kind of seepage-proof oil SF6 gas density is relays, are existed by changing connecting terminal
Set-up mode on watchcase prevents the SF6 gas density is relay using there is the case where permeability after a period of time, to avoid
The problems such as decline of SF6 gas density is relay shock resistance and the oxidation poor contact of electric contact contact, by connecting terminal and connecing
Positioning plate and plate are set between wire box, reduce the whole body that working chamber required for installing then reduces density monitor
Product is more convenient maintenance, dismounting step is easier by the way that the connection type of connecting terminal and terminal box is changed to grafting by welding.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the utility model is
A kind of seepage-proof oil SF6 gas density is relay, including SF6 gas density is relay ontology and setting are in ontology watchcase
On termination, the termination includes the terminal set gradually, positioning plate, plate and terminal box, the watchcase side
Circumferential notch is set, the terminal is laterally threaded through on circumferential notch, and with gap edge sealing welding, the terminal extends to
The electric contact contact A with the conducting wire in watchcase of one end are electrically connected in watchcase, and the positioning plate side is set as arcwall face, and
Radian is consistent with watchcase lateral surface, and the arcwall face of the positioning plate is close to the setting of watchcase lateral surface, setting among the positioning plate
There is diameter to be greater than the circular through hole of terminal cross section, and terminal extends the side electric contact contact B outside watchcase and sets across through-hole
It sets, four location holes is symmetrical arranged on the outside of the circular through hole, plate is set on the outside of the positioning plate, the plate includes centre
The plate body of attachment base and four bolts hole being symmetricly set on the outside of attachment base are provided with, and four bolts hole are set through plate body
It sets, jack is provided on the attachment base, and the position of jack is consistent with the position distribution that terminal powers on ground contacts B, it is described
Terminal extends the side electric contact contact B outside watchcase in through-hole and insertion jack, and the attachment base, which extands rearward to, to be connect
Electric contact contact C in jack and terminal box in wire box, and on attachment base is electrically connected, on the watchcase outside circumferential notch
Side is arranged symmetrically, and there are four locating rods, and locating rod is successively fed through four location holes, four bolts hole and passes through four nuts
It is fixed in terminal box.
Further, the terminal 1 is seven core metal glass sintering terminals of customization.
Further, the anti-reverse flow pattern oiling for preventing silicone oil to be pressurized or be heated and squeezing out is provided at the top of the watchcase
Plug.
Further, the part that the attachment base extands rearward in terminal box is additionally provided with positioning device, the positioning
Device includes the locating slot that connection seat both sides are arranged in and the positioning track that junction box corresponding position is arranged in, the connection
Seat extends to terminal box, and the positioning track in terminal box is fastened in locating slot, the cross of the locating slot and positioning track
Section is isosceles trapezoid, and the width of rebate of locating slot is less than slot bottom.
Compared with prior art, the utility model has the following beneficial effects:
1, it by way of being welded on terminal on watchcase and being sealed come instead preceding use sealing ring, is effectivelying prevent
Silicone oil extends the service life of SF6 gas density is relay while leakage, avoid the occurrence of because relay uses rubber for a long time
Oil leakage problem caused by cushion rubber aging sealing effect is bad；
2, the positioning plate in the utility model is arranged between terminal connections end and plate, and the quick positioning terminal of positioning plate connects
The spatial position of line end and being facilitated by way of grafting with plate is connect, and is changed tradition and is needed terminal and rear terminal box
The connection type directly welded, fast accurate plug connection, facilitates the dismounting and maintenance of SF6 gas density is relay；
3, plate is set at positioning plate rear, plate is fixedly connected with the shell of terminal box by bolt, is determined on plate
The connection type of grafting between terminals in position hole B and terminal box, grafting does not need big welding when equipment is installed
Operating space, it is only necessary to positioning plate, plate and terminal box successively be installed in sequence, while improving SF6 gas
The dismounting and maintenance of density monitor；
To sum up, a kind of seepage-proof oil SF6 gas density is relay described in the utility model, by changing connecting terminal in table
Set-up mode on shell prevents the SF6 gas density is relay using there is the case where permeability after a period of time, to avoid SF6
The problems such as decline of gas density relay shock resistance and the oxidation poor contact of electric contact contact, by connecting terminal and terminal box
Between positioning plate and plate are set, reduce the overall volume that working chamber required for installing then reduces density monitor,
By the way that the connection type of connecting terminal and terminal box is changed to grafting by welding, it is more convenient maintenance, dismounting step is easier.
Detailed description of the invention
Fig. 1 is the utility model schematic diagram of internal structure；
Fig. 2 is the utility model assembled state schematic diagram；
Fig. 3 is the utility model positioning plate structure schematic diagram；
Fig. 4 is the utility model board plug structure schematic diagram.
In figure: 1, terminal, 2, positioning plate, 201, location hole, 202, through-hole, 203, arcwall face, 3, plate, 301, plate body,
302, attachment base, 303, jack, 304, bolt hole, 305, locating slot, 4, terminal box, 5, watchcase, 501, locating rod, 6, oiling
Plug.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 please be participate in, the utility model proposes a kind of seepage-proof oil SF6 gas density is relays, including SF6 gas density is
Relay ontology and the termination being arranged on ontology watchcase 5, the termination include the terminal 1 set gradually, positioning
Circumferential notch is arranged in plate 2, plate 3 and terminal box 4,5 side of watchcase, and the terminal 1 is laterally threaded through on circumferential notch, and
With gap edge sealing welding, the terminal 1 extends to the electric contact contact A of one end in watchcase 5 and the conducting wire in watchcase 5 carries out
Electrical connection, 2 side of positioning plate is set as arcwall face 203, and radian is consistent with 5 lateral surface of watchcase, the arc of the positioning plate 2
The setting of 5 lateral surface of watchcase is close in shape face 203, and the circular through hole that diameter is greater than 1 cross section of terminal is provided among the positioning plate 2
202, and terminal 1 extends the side electric contact contact B outside watchcase 5 and is arranged across through-hole 202,202 outside of circular through hole
Four location holes 201 are symmetrical arranged, plate 3 is set on the outside of the positioning plate 2, the plate 3 includes that centre is provided with attachment base
302 plate body 301 and four bolts hole 304 for being symmetricly set on 302 outside of attachment base, and four bolts hole 304 run through plate body
301 are arranged, and jack 303 are provided on the attachment base 302, and the position of jack 303 and terminal 1 power on the position of ground contacts B
It is consistent to set distribution, the terminal 1 extends the side electric contact contact B outside watchcase 5 in through-hole 202 and insertion jack 303,
The attachment base 302 extands rearward in terminal box 4, and the jack 303 on attachment base 302 and the electric contact in terminal box 4 touch
Head C is electrically connected, and arranged symmetrically on the outside of circumferential notch on the watchcase 5 there are four locating rods 501, and locating rod 501 is successively
It is fed through four location holes, 201, four bolts hole 304 and is fixed in terminal box 4 by four nuts.
Preferably, the terminal 1 is seven core metal glass sintering terminals of customization.
Preferably, the top of the watchcase 5 is provided with the anti-reverse flow pattern note for preventing silicone oil to be pressurized or be heated and squeezing out
Plug cock 6.
Preferably, the part that the attachment base 302 extands rearward in terminal box 4 is additionally provided with positioning device, institute
Stating positioning device includes the locating slot 305 that 302 two sides of attachment base are arranged in and the positioning that 4 inside corresponding position of terminal box is arranged in
Track, the attachment base 302 extends to terminal box 4, and the positioning track in terminal box 4 is fastened in locating slot 305, described fixed
The cross section of position slot 305 and positioning track is isosceles trapezoid, and the width of rebate of locating slot 305 is less than slot bottom.
Working principle:
The seepage-proof oil SF6 gas density is relay that the utility model is proposed, by SF6 gas during specifically used
Termination is provided on the watchcase of density monitor ontology, the termination includes the terminal set gradually, positioning plate, inserts
Plate and terminal box, terminal is crossed to be welded on watchcase and with watchcase, is used by the way that terminal to be welded on watchcase come instead preceding
The mode that sealing ring is sealed, SF6 gas density is relay is extended while effectivelying prevent silicone oil to leak out uses the longevity
Life, avoids the occurrence of oil leakage problem caused by using rubber ring aging sealing effect bad for a long time because of relay, and terminal extends to
The electric contact contact A with the conducting wire in watchcase of one end are electrically connected in watchcase, the other end pass through positioning plate among through-hole with
Attachment base on the plate of rear is electrically connected, and attachment base extands rearward in terminal box, and jack and wiring on attachment base
Electric contact contact C in box is electrically connected, and is symmetrical arranged on the outside of circumferential notch on watchcase there are four locating rod, and locating rod according to
It is secondary to be fed through four location holes, four bolts hole and be fixed in terminal box by four nuts, i.e., it is sequentially connected outside watchcase
There are terminal, positioning plate, plate and terminal box, and be between any two the connection type of grafting, by setting between this four components
It sets four on watchcase locating rods to tighten together with four nuts being arranged in terminal box, positioning plate setting connects in terminal
Between line end and plate, the spatial position of the quick positioning terminal terminals of positioning plate simultaneously facilitates company with plate by way of grafting
It connects, changes the connection type that tradition needs directly to weld terminal and rear terminal box, fast accurate plug connection is convenient
The dismounting and maintenance of SF6 gas density is relay, plate are fixedly connected by bolt with the shell of terminal box, the positioning on plate
Grafting between terminals in hole B and terminal box, the connection type of grafting do not need big welding behaviour when equipment is installed
Make space, it is only necessary in sequence successively install positioning plate, plate and terminal box.
Terminal is the commercial metals glass sintering terminal of six cores or eight cores.
The anti-reverse flow pattern oil filler plug for preventing silicone oil to be pressurized or be heated and squeezing out is provided at the top of watchcase.
The part that attachment base extands rearward in terminal box is additionally provided with positioning device, and the positioning device includes that setting exists
The locating slot of connection seat both sides and the positioning track that junction box corresponding position is arranged in, the attachment base extend to wiring
Box, and the positioning track in terminal box is fastened in locating slot, the cross section of the locating slot and positioning track is isosceles
It is trapezoidal, and the width of rebate of locating slot is less than slot bottom.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, although the utility model with preferred embodiment description as above, be not intended to limit the utility model, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when using technology contents described above
A little change for making or modification are the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (4)
1. a kind of seepage-proof oil SF6 gas density is relay, including SF6 gas density is relay ontology and setting are in ontology watchcase
(5) termination on, it is characterised in that: the termination includes the terminal (1) set gradually, positioning plate (2), plate
(3) and circumferential notch is arranged in terminal box (4), watchcase (5) side, and the terminal (1) is laterally threaded through on circumferential notch, and
With gap edge sealing welding, the terminal (1) extends to the electric contact contact A of watchcase (5) interior one end and leading in watchcase (5)
Line is electrically connected, and positioning plate (2) side is set as arcwall face (203), and radian is consistent with watchcase (5) lateral surface, institute
The arcwall face (203) for stating positioning plate (2) is close to the setting of watchcase (5) lateral surface, is provided with diameter among the positioning plate (2) and is greater than
The circular through hole (202) of terminal (1) cross section, and terminal (1) extends the side electric contact contact B of watchcase (5) outside across logical
Hole (202) setting, circular through hole (202) outside are symmetrical arranged four location holes (201), set on the outside of the positioning plate (2)
It sets plate (3), the plate (3) includes that centre is provided with the plate body (301) of attachment base (302) and is symmetricly set on attachment base
(302) four bolts hole (304) on the outside of, and four bolts hole (304) are arranged through plate body (301), the attachment base (302)
On be provided with jack (303), and to power on the position distribution of ground contacts B consistent for the position of jack (303) and terminal (1), described
Terminal (1) extends the side electric contact contact B of watchcase (5) outside in through-hole (202) and insertion jack (303), the company
Joint chair (302) extands rearward in terminal box (4), and the jack (303) on attachment base (302) connects with the electricity in terminal box (4)
Point contact C is electrically connected, and is symmetrical arranged that there are four locating rod (501), and locating rod on the watchcase (5) on the outside of circumferential notch
(501) four location holes (201), four bolts hole (304) are successively fed through and are fixed on terminal box (4) by four nuts
It is interior.
2. a kind of seepage-proof oil SF6 gas density is relay as described in claim 1, it is characterised in that: the terminal (1) is fixed
Seven core metal glass sintering terminals of system.
3. a kind of seepage-proof oil SF6 gas density is relay as described in claim 1, it is characterised in that: the top of the watchcase (5)
Portion is provided with the anti-reverse flow pattern oil filler plug (6) for preventing silicone oil to be pressurized or be heated and squeezing out.
4. a kind of seepage-proof oil SF6 gas density is relay as described in claim 1, it is characterised in that: the attachment base (302)
The part extanded rearward in terminal box (4) is additionally provided with positioning device, and the positioning device includes being arranged in attachment base (302)
Positioning track of the locating slot (305) and setting of two sides in the internal corresponding position of terminal box (4), attachment base (302) extension
To terminal box (4), and the positioning track in terminal box (4) is fastened in locating slot (305), the locating slot (305) and positioning
The cross section of track is isosceles trapezoid, and the width of rebate of locating slot (305) is less than slot bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254104.1U CN209282121U (en) | 2018-12-29 | 2018-12-29 | A kind of seepage-proof oil SF6Gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254104.1U CN209282121U (en) | 2018-12-29 | 2018-12-29 | A kind of seepage-proof oil SF6Gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209282121U true CN209282121U (en) | 2019-08-20 |
Family
ID=67608474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822254104.1U Active CN209282121U (en) | 2018-12-29 | 2018-12-29 | A kind of seepage-proof oil SF6Gas density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209282121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864335A (en) * | 2022-06-02 | 2022-08-05 | 朗松珂利(上海)仪器仪表有限公司 | For SF 6 Multi-structure connection interface of gas density relay |
-
2018
- 2018-12-29 CN CN201822254104.1U patent/CN209282121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114864335A (en) * | 2022-06-02 | 2022-08-05 | 朗松珂利(上海)仪器仪表有限公司 | For SF 6 Multi-structure connection interface of gas density relay |
| CN114864335B (en) * | 2022-06-02 | 2024-05-24 | 朗松珂利(上海)仪器仪表有限公司 | SF (sulfur hexafluoride) application6Multi-structure connection interface of gas density relay |
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