CN210040048U - Vacuum arc extinguish chamber - Google Patents
Vacuum arc extinguish chamber Download PDFInfo
- Publication number
- CN210040048U CN210040048U CN201921200948.6U CN201921200948U CN210040048U CN 210040048 U CN210040048 U CN 210040048U CN 201921200948 U CN201921200948 U CN 201921200948U CN 210040048 U CN210040048 U CN 210040048U
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- CN
- China
- Prior art keywords
- end cover
- conducting rod
- movable
- cover plate
- supporting part
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- Expired - Fee Related
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Abstract
The utility model discloses a vacuum arc extinguish chamber, including airtight insulation system, conductive system, shielding system, airtight insulation system includes the porcelain shell, moves end cover plate, quiet end cover plate, and conductive system moves end cover plate, quiet end cover plate and sets up solid fixed ring between porcelain shell including moving conducting rod and quiet conducting rod, the utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization through increase two solid fixed rings in airtight insulating system, moves end cover plate, quiet end cover plate, moves the axiality of conducting rod, static conducting rod and porcelain shell among the reduction airtight insulating system, reduces the interior current loss of vacuum arc extinguishing chamber.
Description
Technical Field
The utility model relates to a well high voltage power switch field, in particular to vacuum interrupter.
Background
The vacuum arc-extinguishing chamber, also known as a vacuum switch tube, is a core component of a medium-high voltage power switch, has the main functions of rapidly extinguishing arc and inhibiting current after a medium-high voltage circuit is cut off a power supply through excellent insulating property of vacuum in the tube, is mainly applied to a power transmission and distribution control system of electric power, rapidly extinguishing arc and inhibiting current after the medium-high voltage circuit is cut off the power supply through excellent insulating property of vacuum in the tube, and avoids accidents and accidents.
The vacuum arc-extinguishing chamber has strict requirements on the coaxiality of the conducting system in the manufacturing and assembling process, and the excessive coaxiality of the conducting system can reduce the current passing rate in the vacuum arc-extinguishing chamber and cause unnecessary energy loss. The coaxiality of a conductive system is reduced by controlling the assembling accuracy of each accessory of a vacuum arc-extinguishing chamber in the prior art, so that the assembling efficiency is low, and the coaxiality is easily influenced by external force and is increased in the using process. Therefore, a vacuum interrupter with low coaxiality that is fast to assemble is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vacuum interrupter of quick low axiality of assembly.
The above technical purpose of the present invention can be achieved by the following technical solutions: a vacuum arc extinguish chamber comprises an airtight insulation system, a conductive system and a shielding system, wherein the airtight insulation system comprises a porcelain shell, a movable end cover plate and a static end cover plate, the movable end cover plate and the static end cover plate are respectively covered at two ends of the porcelain shell, the conductive system comprises a movable conductive rod and a static conductive rod, the movable conductive rod is vertically arranged on the movable end cover plate and extends into the porcelain shell, the static conductive rod is vertically arranged on the static end cover plate and extends into the porcelain shell, the central axes of the movable conductive rod and the static conductive rod are positioned on the same axis, two ends of the porcelain shell are respectively clamped with a fixing ring, the fixing ring comprises a vertical supporting part, a transverse supporting part, a magnetic field guiding part and an oblique supporting part, the vertical supporting part and the transverse supporting part are mutually vertical, the end part of the magnetic field guiding part is an arc hook, the vertical supporting part and the transverse supporting part, the transverse, vertical supporting part and porcelain shell tip, slant supporting part and porcelain shell inner wall are mutually supported fixed solid fixed ring, move end cover board, quiet end cover board and all contact completely with horizontal supporting part in its bottom surface after the assembly, and solid fixed ring is the rigidity material.
Further setting the following steps: the airtight insulation system comprises a guide sleeve, the guide sleeve is arranged on the movable end cover plate and sleeved on the movable conducting rod, and the movable end cover plate, the guide sleeve and the movable conducting rod are in sealing fit.
Further setting the following steps: the airtight insulation system comprises a corrugated pipe and a corrugated pipe shielding cover, the corrugated pipe shielding cover is fixedly sleeved on the movable conducting rod, and the corrugated pipe is arranged on the side surface of the movable conducting rod in a surrounding mode, and two ends of the corrugated pipe are fixed on the movable end cover plate and the corrugated pipe shielding cover respectively.
Further setting the following steps: the movable contact and the static contact can be contacted with each other under the action of the movable conducting rod to realize electric connection.
Further setting the following steps: the shielding system comprises a shielding cylinder, wherein the shielding cylinder is fixed on the movable conducting rod and covers the movable contact and the static contact.
Further setting the following steps: the fixing ring is made of stainless steel.
To sum up, the utility model discloses following beneficial effect has: the solid fixed ring is through vertical supporting part and the horizontal supporting part of perpendicular setting, the realization is moved the end cover board, quiet end cover board closes with the perpendicular lid of porcelain shell, the degree of accuracy during the assembly is higher, it moves the end cover board to have reduced, the axiality of quiet end cover board and porcelain shell, the while has also reduced and has moved the conducting rod, the axiality of quiet conducting rod and porcelain shell, the current loss has been reduced, the assembly efficiency is improved, and magnetic field guide portion utilizes its tip arcuation hook, the contact surface with magnetic field has been increased, the motion trail in stable magnetic field, can well the magnetic field in the equalizing pipe under the separating brake state.
Drawings
Fig. 1 is a sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
in the figure: 1. a porcelain shell; 2. a movable end cover plate; 3. a stationary end cover plate; 4. a movable conductive rod; 5. a static conductive rod; 6. a moving contact; 7. static contact; 8. a shielding cylinder; 9. a fixing ring; 91. a vertical support portion; 92. a lateral support portion; 93. a magnetic field guide part; 94. an oblique support part; 931. an arc-shaped hook; 10. a guide sleeve; 11. a bellows; 12. a bellows shield.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A vacuum arc-extinguishing chamber is disclosed,
as shown in fig. 1-3, the vacuum arc-extinguishing chamber comprises a gas-tight insulating system, a conducting system and a shielding system. The airtight insulation system comprises a porcelain shell 1, a movable end cover plate 2, a static end cover plate 3, a guide sleeve, a corrugated pipe and a corrugated pipe shielding cover, wherein the movable end cover plate 2 and the static end cover plate 3 are respectively covered at two ends of the porcelain shell 1. The conductive system comprises a movable conductive rod 4 and a static conductive rod 5, wherein the movable conductive rod 4 is vertically arranged on the movable end cover plate 2 and extends into the porcelain shell 1, the static conductive rod 5 is vertically arranged on the static end cover plate 3 and extends into the porcelain shell 1, the movable conductive rod 4 and the static conductive rod 5 realize the on-off of a circuit through a movable contact 6 and a static contact 7 which are respectively arranged at the end parts of the movable conductive rod 4 and the static conductive rod 5, and the central axes of the movable conductive rod 4 and the static conductive rod 5 are positioned on the same axis. The guide sleeve 10 is arranged on the movable end cover plate 2 and sleeved on the movable conducting rod 4, and the movable end cover plate 2, the guide sleeve 10 and the movable conducting rod 4 are in sealing fit. The bellows shield 12 is fixedly sleeved on the movable conducting rod 4, the bellows 11 is arranged on the side surface of the movable conducting rod 4 in a surrounding mode, and two ends of the bellows are fixed on the movable end cover plate 2 and the bellows shield 12 respectively, so that the vacuum state inside the vacuum arc extinguish chamber is isolated from the outside. The shielding system comprises a shielding cylinder 8, the shielding cylinder 8 covers the movable contact 6 and the static contact 7, and the working quality of the vacuum arc extinguish chamber is improved.
The both ends of porcelain shell 1 all block and are equipped with stainless steel's solid fixed ring 9, gu fixed ring 9 includes vertical support portion 91, horizontal support portion 92, magnetic field guide portion 93, slant support portion 94, vertical support portion 91 and horizontal support portion 92 mutually perpendicular, magnetic field guide portion 93 tip is arcuation hook 931, arcuation hook 931 has increased with the contact surface in magnetic field, the motion trajectory in steady magnetic field, can well the interior magnetic field of equilibrium pipe under the separating brake state.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a vacuum arc-extinguishing chamber, includes airtight insulating system, conducting system, shielding system, airtight insulating system includes porcelain shell (1), moves end cover board (2), quiet end cover board (3), move end cover board (2), quiet end cover board (3) and cover the both ends of closing at porcelain shell (1) respectively, conducting system is including moving conducting rod (4) and quiet conducting rod (5), move conducting rod (4) vertical installation move on end cover board (2) and stretch into porcelain shell (1), quiet conducting rod (5) vertical installation is in quiet end cover board (3) and stretch into porcelain shell (1), the axis that moves conducting rod (4) and quiet conducting rod (5) is located same axis, its characterized in that: the two ends of the porcelain shell (1) are respectively provided with a fixing ring (9) in a clamping way, the fixing rings (9) comprise a vertical supporting part (91), a transverse supporting part (92), a magnetic field guiding part (93) and an oblique supporting part (94), the vertical supporting part (91) and the transverse supporting part (92) are perpendicular to each other, the end part of the magnetic field guiding part (93) is an arc-shaped hook (931), the vertical supporting part (91) and the transverse supporting part (92), the transverse supporting part (92) and the magnetic field guiding part (93), the magnetic field guiding part (93) and the oblique supporting part (94) are all arranged integrally, the vertical supporting part (91) is matched with the end part of the porcelain shell (1), the inclined supporting part (94) is matched with the inner wall of the porcelain shell (1) and fixes the fixing ring (9), the bottom surfaces of the movable end cover plate (2) and the static end cover plate (3) are completely contacted with the transverse supporting part (92) after being assembled.
2. A vacuum interrupter as claimed in claim 1, characterized in that: the airtight insulation system comprises a guide sleeve (10), wherein the guide sleeve (10) is arranged on the movable end cover plate (2) and sleeved on the movable conducting rod (4), and the movable end cover plate (2), the guide sleeve (10) and the movable conducting rod (4) are in sealing fit.
3. A vacuum interrupter as claimed in claim 1, characterized in that: the airtight insulation system comprises a corrugated pipe (11) and a corrugated pipe shielding case (12), wherein the corrugated pipe shielding case (12) is fixedly sleeved on the movable conducting rod (4), and the corrugated pipe (11) is arranged on the side surface of the movable conducting rod (4) in a surrounding mode, and two ends of the corrugated pipe shielding case are respectively fixed on the movable end cover plate (2) and the corrugated pipe shielding case (12).
4. A vacuum interrupter as claimed in claim 1, characterized in that: the movable contact (6) and the static contact (7) are respectively arranged at the end parts of the movable conducting rod (4) and the static conducting rod (5), and the movable contact (6) and the static contact (7) can be mutually contacted under the movement of the movable conducting rod (4) to realize electric connection.
5. A vacuum interrupter as claimed in claim 1, characterized in that: the shielding system comprises a shielding cylinder (8), wherein the shielding cylinder (8) is fixed on the movable conducting rod (4) and covers the movable contact (6) and the static contact (7).
6. A vacuum interrupter as claimed in claim 1, characterized in that: the material of the fixing ring (9) is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200948.6U CN210040048U (en) | 2019-07-26 | 2019-07-26 | Vacuum arc extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921200948.6U CN210040048U (en) | 2019-07-26 | 2019-07-26 | Vacuum arc extinguish chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040048U true CN210040048U (en) | 2020-02-07 |
Family
ID=69350256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921200948.6U Expired - Fee Related CN210040048U (en) | 2019-07-26 | 2019-07-26 | Vacuum arc extinguish chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210040048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164618A (en) * | 2020-09-30 | 2021-01-01 | 山东晨鸿电气有限公司 | High-coaxiality porcelain shell assembly |
-
2019
- 2019-07-26 CN CN201921200948.6U patent/CN210040048U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164618A (en) * | 2020-09-30 | 2021-01-01 | 山东晨鸿电气有限公司 | High-coaxiality porcelain shell assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20200726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |