CN207896550U - Solid insulation ring main unit - Google Patents
Solid insulation ring main unit Download PDFInfo
- Publication number
- CN207896550U CN207896550U CN201820367273.3U CN201820367273U CN207896550U CN 207896550 U CN207896550 U CN 207896550U CN 201820367273 U CN201820367273 U CN 201820367273U CN 207896550 U CN207896550 U CN 207896550U
- Authority
- CN
- China
- Prior art keywords
- shell
- solid insulation
- inlet wire
- ring main
- connection
- 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.)
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- 238000009413 insulation Methods 0.000 title claims abstract description 79
- 239000007787 solid Substances 0.000 title claims abstract description 74
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 21
- 230000003068 static effect Effects 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003467 diminishing effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model is related to solid insulation ring main units, by being split as solid insulation shell, enterprising thread casing and connecting sleeve, it realizes and separates the conducting elements such as embedded copper rod in original solid insulation shell, the enterprising thread casing and connecting sleeve is orderly is fixed on solid insulation shell, the orderly control for realizing electric field, avoids shelf depreciation problem；Meanwhile being set to vacuum interrupter in the inlet wire shell of enterprising thread casing, the independent moulding by casting of shell is realized, simple for process, single vacuum interrupter encapsulation, industrial yield is more preferable, and avoids the problem on deformation of qualitative progress；The mode of flanged joint, realize air-tightness identical with original integrated shell and electrical performance demands, the limitation of existing conventional techniques thinking is broken, it is difficult to solve existing solid insulation shell internal electric field control, easy shelf depreciation, and machine-shaping is difficult, size and the not high problem of structure precision.
Description
Technical field
The utility model belongs to high-voltage power distribution equipment technical field, and in particular to a kind of split type solid insulation looped network
Cabinet.
Background technology
Traditional ring main unit majority is gas-insulated ring network cabinet.Using SF6 gases as the insulation of electrification in high voltage part or
Cut-off medium.It is high to the seal request of babinet and add since SF6 gases can decomposite toxic gas after cut-offfing, and easily leakage
Work complex process causes gas-insulated ring network cabinet preservation ＆ testing more complex, needs simultaneously make-up gas of periodically hunting leak.According further to
《The Kyoto Protocol》, as gas-insulated ring network cabinet insulation or cut-off medium, SF6 gases are clearly classified as greenhouse gases
One of, it is desirable that reduce its usage amount.
For the problem, the Chinese patent of such as open (bulletin) number CN202797738U provides a kind of solid isolated vacuum
Ring main unit, it is characterized in that the outlet vacuum switch unit in inlet wire vacuum switch unit and outlet ring main unit in inlet wire ring main unit
On the cabinet by screw installation, silicon rubber dry type busbar is true mounted on inlet wire vacuum switch unit, outlet by screw respectively
On the bus plug of empty switch unit.It uses and all galvanic circles of vacuum switch ABC three-phases is mounted on the same sealing
In pole, reduces the volume of switch and optimize the field distribution of switch.
Though the prior art realizes totally-enclosed solid insulation vacuum switch, and epoxy resin is poured into a mould or be mounted on to electrical body
It is interior, but solid insulation shell is embedded with length and differs, and different high pressure copper bar copper rod and vacuum interrupter etc. are easily led
The problems such as field is uneven, and shelf depreciation is difficult to control is sent a telegraph, and three-phase integrated insulation shell switch uses vacuum interrupter and shell more
Body is poured into a mould together, and which is more demanding to APG technique productions, complies with one's wishes and occurs because a vacuum interrupter seal compression is insufficient
The problem of causing charging all to be scrapped to entire switch case；Pre-installed simultaneously switch case after vacuum interrupter due to
Vacuum interrupter own wt is increased, causes shell to be susceptible to deformation in rear solidifying and setting and movable end of arc extinguishing chamber is caused to hang down
Straight offset, the setting tooling for needing production quantity numerous carry out shaping.
Invention content
The utility model is intended to provide a kind of solid insulation ring main unit, is controlled with solving existing solid insulation shell internal electric field
Difficulty, easy shelf depreciation, and machine-shaping are difficult, size and the not high problem of structure precision.
Concrete scheme is as follows：Solid insulation ring main unit, including solid insulation shell, enterprising thread casing, connecting sleeve, fuse
Cylinder and lower outlet casing tube:
The enterprising thread casing includes inlet wire shell, and upper and lower side is respectively equipped with inlet wire conductor in the inlet wire shell and vacuum is gone out
Arc chamber, the inlet wire conductor are conducted in the vacuum extinction room；The connecting sleeve includes connecting shell and set on the connection shell
Connection conductor interior and through the connection shell；
It is additionally provided with moving contact and static contact in the solid insulation shell, the lower end of the inlet wire shell and the connection shell
It is installed in a manner of flanged joint on the solid insulation shell, and the vacuum interrupter and connection conductor lead and pass to this
In solid insulation shell, to be electrically connected respectively with the static contact and moving contact.
Further, further include an isolation main shaft；The static contact is set to the upper surface in the solid insulation shell, the solid
One side end face of insulation shell is removable housing cover；The position of conductor is correspondingly connected on the lower face of the solid insulation shell
Connecting hole equipped with perforation, the connection conductor are inserted in the solid insulation shell, which, which is pivoted, is installed on this
It connects on conductor, which is set to the top of the isolation main shaft.
Further, on the solid insulation shell, the corresponding inlet wire shell and the position for connecting shell be equipped with indent and
The jack of bottom perforation, the inlet wire shell and connection shell are equipped with a convex block being adapted to the jack；The convex block is inserted in
In the jack, and sealed insulation silica gel is coated on each convex block.
Further, towards in the solid insulation shell on direction, which is the diminishing boss in section；Flange
The joint face of connection is set to the external opening end of the jack.
Further, which is inlet wire copper rod, which forms for poured with epoxy resin, the vacuum extinction
Room and the equal sealing of inlet wire copper rod pour in the inlet wire shell.
Further, which is connection copper rod, which is poured with epoxy resin on the connection copper rod
It is formed.
Further, the connecting sleeve and the lower outlet casing tube are installed on the fuse unit in a manner of flanged joint
On.
Further, further include insulated tension pole；The upper end of the insulated tension pole is electrically connected on the static contact, and can move up with
It is inserted in the vacuum extinction room.
Further, the enterprising thread casing, connecting sleeve, fuse unit and lower outlet casing tube it is each there are three, three on this
Entrance bushing and three connecting sleeves and before in after mode be respectively arranged on the solid insulation shell upper and lower side；It should
Fuse unit is arranged in left, center, right mode, and the connecting sleeve is electrically connected each fuse unit with one.
The solid insulation ring main unit of the utility model, by being split as solid insulation shell, enterprising thread casing and connection
Casing realizes and separates the conducting elements such as embedded copper rod in original solid insulation shell, the enterprising thread casing and connection
Casing is orderly to be fixed on solid insulation shell, is realized the orderly control of electric field, is avoided shelf depreciation problem；Together
When, vacuum interrupter is set in the inlet wire shell of enterprising thread casing, realizes the independent moulding by casting of shell, technique letter
Single, single vacuum interrupter encapsulation, industrial yield is more preferable, and avoids the problem on deformation of qualitative progress；The side of flanged joint
Formula realizes air-tightness identical with original integrated shell and electrical performance demands, has broken existing conventional techniques thinking
Limitation, it is difficult to solve the control of existing solid insulation shell internal electric field, easy shelf depreciation, and machine-shaping is difficult, size and knot
The not high problem of structure precision.
Description of the drawings
Fig. 1 shows the utility model embodiment structural schematic diagram；
Fig. 2 shows Fig. 1 transverse sectional views；
Fig. 3 shows Fig. 1 longitudinal sectional views.
Specific implementation mode
To further illustrate that each embodiment, the utility model are provided with attached drawing.These attached drawings are in the utility model discloses
A part for appearance mainly to illustrate embodiment, and can coordinate the associated description of specification to explain that the running of embodiment is former
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
In conjunction with shown in Fig. 1, this embodiment offers a kind of solid insulation ring main units, include sequentially connected three from top to bottom
3, three fuse units 4 of the connecting sleeve of solid insulation shell 1, three of a enterprising thread casing 2, one and three lower outlet casing tubes 5.
Its specific connection type is：With face operating personnel direction for (longitudinal direction) forward direction, then respective operations personnel right and left
To for transverse direction, three enterprising thread casings 2 before equidistantly, after neutralizing in a manner of, be fixed on the upper of the solid insulation shell 1
End, and three connecting sleeves 3 also before in after mode be fixed on the lower end of the solid insulation shell 1, and each connection
Casing 3 is set to the lower position of the corresponding enterprising thread casing 2, is moved in favor of the connection of moving contact 7 in solid insulation shell
It is dynamic.In the lower section of three groups of connecting sleeves 3, laterally arrangement, the connecting sleeve 3 have three fuse units 4 in a manner of left, center, right
One straight tube and two swan-necks, realizing each fuse unit 4, the connecting sleeve 3 is electrically connected with one；Finally, each fuse
It is respectively connected with one on cylinder 4 and casing 5 occurs.
In conjunction with shown in Fig. 2 and Fig. 3, which includes inlet wire shell 20, with towards the one of the solid insulation shell 1
End is lower end, and the upper and lower side in the inlet wire shell 20 is respectively equipped with inlet wire conductor 21 and vacuum interrupter 22；The inlet wire conductor
21 be cylindrical inlet wire copper rod, and the upper end of the inlet wire shell 20 is exposed on top, and is equipped with connecting screw hole, and low side is conducted to
In the vacuum interrupter 22, to be connected electrically；In this embodiment, which forms for poured with epoxy resin, and
The vacuum interrupter 22 and the inlet wire copper rod 21 are that sealing pours in the inlet wire shell 20 in casting process, the inlet wire shell
The bottom end of body 20 is equipped with through-hole, which passes through the circuit outside through-hole connection.
The connecting sleeve 3 includes connection shell 30 and is set in the connection shell 30 and runs through about the 30 connection shell
The connection conductor 31 at both ends；In this embodiment, which is also cylindrical connection copper rod, in the embodiment
In, there are two types of the connection copper rods, is respectively linear type and S types, this by poured with epoxy resin on the connection copper rod, i.e. shape
At the connection shell.
The solid insulation shell 1 is the closing shell of rectangular-shape.In the solid insulation shell 1, three are equipped in upper side
Group static contact 6, each static contact 7 are respectively connected with one and are flexible coupling conducting wire 61；One side end face of the solid insulation shell 1 is removable
Housing cover 15, sealing ring is equipped between the opening portion of the solid insulation shell 1, and by bolt seal is installed,
Realize the closing of the solid insulation shell 1, waterproof, anti-gas-leak.
It is solid that the lower end of the inlet wire shell 20 and the upper end of the connection shell equal 30 are installed on this in a manner of flanged joint
On body insulation shell 1, by taking the inlet wire shell 20 as an example, the concrete structure of the flanged joint is：In the upper of the solid insulation shell 1
The jack that the position of end face, corresponding 20 lower end of inlet wire shell is equipped with indent and bottom penetrates through, it is preferred that the jack be it is upper it is big under
Small round platform cavity, the lower end of the inlet wire shell 20 are equipped with a convex block being adapted to the jack, i.e., towards the solid insulation shell
On direction inside body 1, which is the diminishing round platform in section, and flexible sealed insulation silica gel is coated on the convex block,
Then the convex block is inserted in the jack, then is fixed by screw.Preferably, the mode of flanged joint has one inconsistent flat
Face, i.e. joint face, in the embodiment, plane where joint face is provided at the external opening end of the jack realizes best
Sealing effect.
It further includes an isolation main shaft 71 that the inside of the solid insulation shell 1, which corresponds to each static contact 6,：The solid insulation shell
Be correspondingly connected on the lower face of body 1 conductor 31 position be equipped with perforation connecting hole, the connection conductor 31 pass through the connecting hole with
It is inserted in the solid insulation shell 1, then the bottom end of the isolation main shaft 71, which is pivoted, is installed on 31 upper end of connection conductor, should be every
Top from main shaft 71 is equipped with moving contact；It is connect likewise, also being poured into a mould in the bottom wall of the solid insulation shell 1 and being sealed with three groups
Ground contact 72 is grounded for moving contact 7.
In this embodiment, each vacuum interrupter 22 is electrically connected with the conducting wire 61 that is flexible coupling of the static contact 6, should
Connection conductor 31 is electrically connected with a moving contact 7.To realize the not electrical isolation between isopen, the solid insulation shell 1 it is upper
End is equipped with upper spacer between adjacent static contact, and separates different vacuum interrupters 22, also is provided between the grounding contact 72
Lower clapboard, to separate each grounding contact 72.
Further include three groups of insulated tension poles 8 in the solid insulation shell 1：The bottom end of the insulated tension pole 8 is articulated in a crank axle
On, with the movement above and below realizing, the upper end is electrically connected to being flexible coupling on conducting wire 61 of the static contact, and can move up to be inserted in this
In vacuum interrupter 22, realize that the conducting wire 61 that is flexible coupling is electrically connected with vacuum interrupter 22.Meanwhile the isolation main shaft 71 and the insulation
It is equipped with insulating barrier 16 between pull rod 8, realizes the two electrical isolation.
It is understood that the connecting sleeve 3 and the lower outlet casing tube 5 be with above-mentioned similar flange connection,
It is installed on the fuse unit 4, to constitute an optimal solid insulation ring main unit.Shown in Fig. 1, the solid insulation shell 1
On be additionally provided with first operating shaft 12 of three isolation main shafts 71 of combined operation, and including three insulated tension poles of combined operation
8 the second operating shaft 11；The side wall in the region of corresponding static contact 6, the solid insulation shell 1 is equipped with shell explosion proof window 13, with
Avoid the agent structure of inner wall circuit damage solid insulation shell 1.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (9)
1. solid insulation ring main unit, including solid insulation shell, enterprising thread casing, connecting sleeve, fuse unit and lower lead collar
Pipe, it is characterised in that：
The enterprising thread casing includes inlet wire shell, and inlet wire conductor and vacuum interrupter are equipped in the inlet wire shell, which leads
Body is conducted in the vacuum extinction room；The connecting sleeve includes connection shell and is set in the connection shell and runs through the connection
The connection conductor of shell；
Be additionally provided with moving contact and static contact in the solid insulation shell, the lower end of the inlet wire shell and the connection shell with
The mode of flanged joint is installed on the solid insulation shell, and the vacuum interrupter and connection conductor lead and pass to the solid
In insulation shell, to be electrically connected respectively with the static contact and moving contact.
2. solid insulation ring main unit according to claim 1, it is characterised in that：It further include an isolation main shaft；The static contact
One side end face of the upper surface in the solid insulation shell, the solid insulation shell is removable housing cover；The solid
The position that conductor is correspondingly connected on the lower face of insulation shell is equipped with the connecting hole of perforation, and it is exhausted which is inserted in the solid
In edge shell, which, which is pivoted, is installed on the connection conductor, which is set to the top of the isolation main shaft.
3. solid insulation ring main unit according to claim 1, it is characterised in that：On the solid insulation shell, it is corresponding should be into
Line shell and the jack that the position for connecting shell is equipped with indent and bottom penetrates through, the inlet wire shell and connection shell are equipped with
One convex block being adapted to the jack；The convex block is inserted in the jack, and is coated with sealed insulation silica gel on each convex block.
4. solid insulation ring main unit according to claim 3, it is characterised in that：Towards direction in the solid insulation shell
On, which is the diminishing boss in section；The joint face of flanged joint is set to the external opening end of the jack.
5. solid insulation ring main unit according to claim 1, it is characterised in that：The inlet wire conductor is inlet wire copper rod, should be into
Line shell forms for poured with epoxy resin, and the vacuum interrupter and the equal sealing of inlet wire copper rod pour in the inlet wire shell.
6. solid insulation ring main unit according to claim 1, it is characterised in that：The connection conductor is connection copper rod, the company
Body contact body is that poured with epoxy resin is formed on the connection copper rod.
7. solid insulation ring main unit according to claim 1, it is characterised in that：The connecting sleeve and the lower outlet casing tube
In a manner of flanged joint, it is installed on the fuse unit.
8. solid insulation ring main unit according to claim 1, it is characterised in that：It further include insulated tension pole；The insulated tension pole
Upper end be electrically connected on the static contact, and can move up to be inserted in the vacuum extinction room.
9. according to the solid insulation ring main unit described in claim 1-8 any claims, it is characterised in that：The upper incoming line set
Pipe, connecting sleeve, fuse unit and lower outlet casing tube it is each there are three, three enterprising thread casings and three connecting sleeves with
And before in after mode be respectively arranged on the solid insulation shell upper and lower side；The fuse unit is arranged in left, center, right mode, and every
The connecting sleeve is electrically connected one fuse unit with one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367273.3U CN207896550U (en) | 2018-03-16 | 2018-03-16 | Solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820367273.3U CN207896550U (en) | 2018-03-16 | 2018-03-16 | Solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896550U true CN207896550U (en) | 2018-09-21 |
Family
ID=63542386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820367273.3U Active CN207896550U (en) | 2018-03-16 | 2018-03-16 | Solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
-
2018
- 2018-03-16 CN CN201820367273.3U patent/CN207896550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199289A (en) * | 2018-03-16 | 2018-06-22 | 厦门业盛电气有限公司 | Solid insulation ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Solid insulated ring network cabinet Effective date of registration: 20210810 Granted publication date: 20180921 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN YESHENG ELECTRIC Co.,Ltd. Registration number: Y2021980007500 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231027 Granted publication date: 20180921 Pledgee: Bank of China Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN YESHENG ELECTRIC Co.,Ltd. Registration number: Y2021980007500 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Solid insulated ring main unit Effective date of registration: 20231115 Granted publication date: 20180921 Pledgee: Bank of China Limited Xiamen Tong'an sub branch Pledgor: XIAMEN YESHENG ELECTRIC Co.,Ltd. Registration number: Y2023980065863 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |