CN209118857U - A kind of Polymeric Housed MOA - Google Patents
A kind of Polymeric Housed MOA Download PDFInfo
- Publication number
- CN209118857U CN209118857U CN201821986754.9U CN201821986754U CN209118857U CN 209118857 U CN209118857 U CN 209118857U CN 201821986754 U CN201821986754 U CN 201821986754U CN 209118857 U CN209118857 U CN 209118857U
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- CN
- China
- Prior art keywords
- insulation
- semiconductor chip
- inner core
- interior
- full skirt
- 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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Abstract
A kind of Polymeric Housed MOA, including inner core-body external insulation sleeve, inner core-body include semiconductor chip group, the metal electrode and interior insulation set for being located at semiconductor chip group both ends；Semiconductor chip group is made of several semiconductor chips, seamless between the end face of adjacent semiconductor chips to fit closely, and the outer wall of interior insulation set is equipped with the first insulation glue-line, and the second insulation glue-line is equipped between the first insulation glue-line and the inner wall of external insulation sleeve.The heat resistance and good insulation preformance of the interior insulation set of glass fiber reinforcement insulating materials, can prevent outside air and colloid from entering in inner core-body by interior insulation set；It is seamless between semiconductor chip to fit closely, prevent air to a certain extent and colloid enters；Overall structure is simple, the accident potential of no internal flashover and explosion.It is combined together between inner core-body and external insulation sleeve by two layers of insulating cement encapsulation, exterior insulation is reliable, has the function of that anti-air blast and extra heavy pollution destroy, exempts to clean maintenance.
Description
Technical field
The utility model relates to arrester, especially railway locomotives and contact net arrester.
Background technique
Current Polymeric Housed MOA is widely used in electric power and railway systems, and primary structure and technology use
, by zinc oxide chip be placed in heat-shrinkable T bush using heating the draw realize positioning and closing after, with vacuum pouring method by its
It is fixed in insulating sleeve, then connects two end electrodes and core by compressed spring.Maximum problem is when chance at present
Compressed spring restore spring force failure cannot by rear caused fever in high current when thunder discharge, while in core and peace
Existing interface is in extra-high voltage between tubing, it will usually which generating flashover electric leakage causes the generation of high pressure gas in pipe to cause
Explosion of on Arrester；The simple full skirt of disc that exterior insulation uses loses in high-speed cruising due to being highly prone to insulate after pollution
Effect, causes external flashover to break up accident.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of Polymeric Housed MOA, insulation performances
It is good, the explosion of internal high pressure flashover will not occur.
In order to solve the above technical problems, the technical solution of the utility model is: a kind of Polymeric Housed MOA, packet
It includes inner core-body and wraps up the external insulation sleeve of inner core-body, the inner core-body includes semiconductor chip group, is located at semiconductor chip group two
The metal electrode at end and the interior insulation set for being wrapped in semiconductor chip group and metal electrode outer wall；If the semiconductor chip group by
Dry semiconductor chip forms, seamless between the end face of adjacent semiconductor chips to fit closely, and the interior insulation set is glass fibers
Tie up insulation sleeve；The outer wall of the interior insulation set is equipped with the first insulation glue-line, the inner wall of the first insulation glue-line and external insulation sleeve
Between be equipped with second insulation glue-line.The interior insulation set of the utility model inner core-body uses fiber glass coating, and interior insulation covers heat-resisting
Performance and good insulation preformance can prevent outside air and colloid from entering in inner core-body by interior insulation set；In addition, semiconductor core
It is seamless between piece to fit closely, prevent air to a certain extent and colloid enters；Generally speaking, structure is simple, no internal sudden strain of a muscle
The accident potential of network and explosion.It is combined together between inner core-body and external insulation sleeve by two layers of insulating cement encapsulation, exterior insulation
Reliably, have the function of that anti-air blast and extra heavy pollution destroy, exempt to clean maintenance.
As an improvement, the semiconductor chip is cylindrical zinc oxide tile.
As an improvement, the interior insulation set is formed by several glass fiber reinforcement wrapped with insulation.
As an improvement, the both ends of the inner core-body are equipped with the end accessory being electrically connected with the metal electrode.
As an improvement, the semiconductor chip is identical as the diameter of metal electrode.
As an improvement, the external insulation sleeve includes the full skirt of insulating sleeve and modified silicon rubber material.
As an improvement, the full skirt includes for being located at first full skirt at cylinder both ends and being located between two the first full skirts
Two full skirts, the diameter of the first full skirt are greater than the diameter of the second full skirt.
Brought beneficial effect is the utility model compared with prior art:
The heat resistance and insulation performance of the interior insulation set of glass fiber reinforcement insulating materials are better than heat-shrinkable T bush, can be to prevent
Only outside air and colloid are entered in inner core-body by interior insulation set, in addition, seamless between semiconductor chip fit closely, one
Determine to prevent air in degree and colloid enters, generally speaking, structure is simple, the accident potential of no internal flashover and explosion；Inner core
It is combined together between body and external insulation sleeve by the encapsulation of two layers insulating cement, exterior insulation is reliable, has anti-air blast and extra heavy
Pollution destroys function, exempts to clean maintenance；It can be widely applied to the roof and contact net power supply system and high pressure of electric railway
The lightning protection safety of power transmission and transformation system.
Detailed description of the invention
Fig. 1 is the first arrester cross-sectional view.
Fig. 2 is second of arrester cross-sectional view.
Fig. 3 is external insulation sleeve cross-sectional view.
Fig. 4 is inner core-body schematic diagram.
Fig. 5 is inner core-body and external insulation sleeve encapsulation schematic diagram.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings of the specification.
As shown in Figure 1, 2, a kind of Polymeric Housed MOA, the external insulation including inner core-body 1 and package inner core-body 1
Set 2.
As shown in Fig. 1,2,4, the inner core-body 1 includes semiconductor chip group 11, is located at 11 both ends of semiconductor chip group
Metal electrode 12 and the interior insulation set 3 for being wrapped in 12 outer wall of semiconductor chip group and metal electrode.The semiconductor chip group 11
It is made of several semiconductor chips 111, the semiconductor chip 111 of the present embodiment is cylindrical zinc oxide tile, semiconductor core
Piece 111 is identical with the diameter of metal electrode 12；There is certain pressure, so that adjacent partly lead between adjacent semiconductor chips 111
It is seamless between the end face of body chip 111 to fit closely, prevent air to a certain extent and colloid enters.The interior insulation set 3
For glass fiber reinforcement insulation sleeve, the interior insulation set 3 is formed by several glass fiber reinforcement wrapped with insulation, when construction,
It is rolled in outside 111 groups of semiconductor chip and is formed from level to level by insulating cement, it not only can be by 111 groups of semiconductor chip and metal electrode
12 encapsulate together, and the heat resistance of interior insulation set 3 and insulation performance are better than heat-shrinkable T bush, can prevent outside air and glue
Body is entered in inner core-body 1 by interior insulation set 3.The both ends of the inner core-body 1 are equipped with and are electrically connected with the metal electrode 12
End accessory 7, the end accessory 7 form external electrode, respectively with power supply and connect, according to installing fixed form or purposes
Difference and connecting interface shape is set, but intermediate have electrode contact mounting hole.
As shown in Figures 1 to 3, the external insulation sleeve 2 includes insulating sleeve 21 and the full skirt for being located at 21 outer wall of insulating sleeve, institute
It states full skirt to be made of silastic material, full skirt and insulating sleeve are assembled together by special process.The full skirt includes being located at
First full skirt 22 at 21 both ends of insulating sleeve and the second full skirt 23 being located between two the first full skirts 22, the first full skirt 22 it is straight
Diameter is greater than the diameter of the second full skirt 23；The deep bid of first full skirt 22 including taper and several it is located at big pan bottom and around insulation sleeve
Pipe 21 and the first annular flange set；The shallow bid of second full skirt 23 including bowl-type and several it is located at small pan bottom and around insulation sleeve
Pipe 21 and the second annular flange set.
The outer wall of the interior insulation set 3 is equipped with the first insulation glue-line 4, and the first insulation glue-line 4 is interior with external insulation sleeve 2
It is equipped with the second insulation glue-line 5 between wall, inner core-body 1 and external insulation sleeve are implemented in combination with by the first insulating cement and the second insulating cement
2 it is hermetically sealed.
As shown in figure 5, manufacturing process is as follows:
1, inner core-body 1 and external insulation sleeve 2 are first formed；Then the outer wall in the interior insulation set 3 of inner core-body 1 handles and applies one
Layer the first insulation glue-line 4；
2, the one end that will apply the inner core-body 1 of the first insulating cement is packed into the insulating sleeve 21 of external insulation sleeve 2, and in inner core
Place a certain amount of insulation glue 6 in one end that body 1 enters in external insulation sleeve 2；
3, during external insulation sleeve 2 will being slowly inserted in inner core-body 1, external insulation sleeve 2 and 1 relative motion of inner core-body, absolutely
Edge glue 6, which is flowed around and is uniformly filled between the first insulation glue-line 4 and the inner wall of external insulation sleeve 2, forms the second insulating cement
Layer 5；
4, after the second insulation glue-line 5 solidifies, the first insulation glue-line 4 is tightly bonded with the second insulation glue-line 5, and sealing performance is more
Good, the first insulating cement and the second insulating cement are identical glue.
The interior insulation set 3 of the utility model inner core-body 1 uses glass fiber reinforcement insulation sleeve, the heat resistance of interior insulation set 3
Energy and good insulation preformance can prevent outside air and colloid from entering in inner core-body by interior insulation set 3；In addition, semiconductor core
It is seamless between piece 111 to fit closely, prevent air to a certain extent and colloid enters；Generally speaking, structure is simple, no inside
The accident potential of flashover and explosion.It is encapsulated between inner core-body 1 and external insulation sleeve 2 by two layers of insulating cement and displaced type glue is used to seal
Technology is combined together, and exterior insulation is reliable, is had the function of that anti-air blast and extra heavy pollution destroy, is exempted to clean maintenance.
Claims (7)
1. a kind of Polymeric Housed MOA, the external insulation sleeve including inner core-body and package inner core-body, it is characterised in that: institute
State inner core-body include semiconductor chip group, the metal electrode for being located at semiconductor chip group both ends and be wrapped in semiconductor chip group and
The interior insulation set of metal electrode outer wall；The semiconductor chip group is made of several semiconductor chips, adjacent semiconductor chips
Seamless between end face to fit closely, the interior insulation set is glassfiber insulation set；The outer wall of interior insulation set is equipped with the
One insulation glue-line is equipped with the second insulation glue-line between the first insulation glue-line and the inner wall of external insulation sleeve.
2. a kind of Polymeric Housed MOA according to claim 1, it is characterised in that: the semiconductor chip is
Cylindrical zinc oxide tile.
3. a kind of Polymeric Housed MOA according to claim 1, it is characterised in that: if the interior insulation set by
Dry glass fiber reinforcement wrapped with insulation is formed.
4. a kind of Polymeric Housed MOA according to claim 1, it is characterised in that: the both ends of the inner core-body
Equipped with the end accessory being electrically connected with the metal electrode.
5. a kind of Polymeric Housed MOA according to claim 1, it is characterised in that: the semiconductor chip with
The diameter of metal electrode is identical.
6. a kind of Polymeric Housed MOA according to claim 1, it is characterised in that: the external insulation sleeve includes
The full skirt of insulating sleeve and modified silicon rubber material.
7. a kind of Polymeric Housed MOA according to claim 6, it is characterised in that: the full skirt includes being located at
The diameter of first full skirt at cylinder both ends and the second full skirt being located between two the first full skirts, the first full skirt is greater than the second full skirt
Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986754.9U CN209118857U (en) | 2018-11-29 | 2018-11-29 | A kind of Polymeric Housed MOA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821986754.9U CN209118857U (en) | 2018-11-29 | 2018-11-29 | A kind of Polymeric Housed MOA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209118857U true CN209118857U (en) | 2019-07-16 |
Family
ID=67206974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821986754.9U Expired - Fee Related CN209118857U (en) | 2018-11-29 | 2018-11-29 | A kind of Polymeric Housed MOA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209118857U (en) |
-
2018
- 2018-11-29 CN CN201821986754.9U patent/CN209118857U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 Termination date: 20201129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |