CN212342477U - Integrated water-cooling variable ceramic vacuum capacitor - Google Patents
Integrated water-cooling variable ceramic vacuum capacitor Download PDFInfo
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- CN212342477U CN212342477U CN202021807636.4U CN202021807636U CN212342477U CN 212342477 U CN212342477 U CN 212342477U CN 202021807636 U CN202021807636 U CN 202021807636U CN 212342477 U CN212342477 U CN 212342477U
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- corrugated pipe
- layer corrugated
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Abstract
The utility model discloses a variable ceramic vacuum capacitor of integral type water-cooling, include: the device comprises an outer shell, a mounting base, a guide sleeve, an adjusting component, a double-layer corrugated pipe and an electrode, wherein the double-layer corrugated pipe and the electrode are mounted in the outer shell; the adjusting component comprises a pull rod, and the pull rod is slidably arranged in the guide sleeve and is fixedly connected with a moving electrode of the electrode; the double-layer corrugated pipe is sleeved outside the guide sleeve and comprises an inner-layer corrugated pipe and an outer-layer corrugated pipe, wherein one end of the inner-layer corrugated pipe and one end of the outer-layer corrugated pipe are fixedly connected with the mounting base, and the other end of the inner-layer corrugated pipe and the other end of the outer-layer corrugated pipe are fixedly connected with the moving electrode. The utility model discloses an adopt double-deck bellows structure, fundamentally has changed the manufacture craft of product, has greatly practiced thrift manufacturing cost, has improved production efficiency.
Description
Technical Field
The utility model relates to a vacuum capacitor field, in particular to variable pottery vacuum capacitor of integral type water-cooling.
Background
The vacuum capacitor is a capacitor using vacuum as a medium, an electrode group of the capacitor is a group of concentric cylindrical electrodes formed by extending a high-conductivity oxygen-free copper strip through a whole set of high-precision die, and the electrodes are sealed in a vacuum container, so that the performance is stable and reliable, and phenomena such as arcing, corona and the like are not easy to generate. Vacuum capacitors fall into two main categories: a vacuum capacitor having a fixed capacitance, wherein the geometric relationship between the electrodes remains unchanged; variable capacitors, in which the shape, orientation or spacing of one or both electrodes can be varied, change the device capacitance.
In the traditional variable ceramic vacuum capacitor, because the corrugated pipe material (mostly tin bronze or beryllium bronze) is limited, argon arc welding is mostly adopted for sealing the whole pipe, and after cleaning, drying, high-pressure aging and exhaust of a vacuum exhaust table, jaw sealing is carried out. The capacitor adopting the technology has low production efficiency and high production cost, leaves the residue of the jaw on the product, and needs to be protected by epoxy resin or other materials; meanwhile, the traditional variable ceramic vacuum capacitor cannot be effectively cooled, and the service life of the capacitor is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a variable pottery vacuum capacitor of integral type water-cooling is provided to overcome among the prior art variable pottery vacuum capacitor production efficiency low, manufacturing cost high, leave remaining of keeping silent on the product, can not effectually cool down, defects such as life weak point.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an integrated water-cooled variable ceramic vacuum capacitor comprising: the device comprises an outer shell, a mounting base, a guide sleeve, an adjusting component, a double-layer corrugated pipe and an electrode, wherein the double-layer corrugated pipe and the electrode are mounted in the outer shell; the adjusting component comprises a pull rod, and the pull rod is slidably arranged in the guide sleeve and is fixedly connected with a moving electrode of the electrode; the double-layer corrugated pipe is sleeved on the outer side of the guide sleeve, the double-layer corrugated pipe comprises an inner-layer corrugated pipe and an outer-layer corrugated pipe, the inner-layer corrugated pipe is used for providing a vacuum environment for the electrode, the outer-layer corrugated pipe is used for conducting electricity with the electrode, one end of the inner-layer corrugated pipe and one end of the outer-layer corrugated pipe are fixedly connected with the mounting base, and the other end of the inner-layer corrugated pipe and the other.
As a further improvement, the mounting base is provided with an annular groove, the guide sleeve top is provided with a round platform connecting portion, the round platform connecting portion with the annular groove encloses the water circulation channel.
As a further improvement of the utility model, the adjusting part still includes sleeve, screw rod and set nut, sleeve fixed mounting be in the guide pin bushing top, set nut fixed mounting be in the pull rod top, the screw rod rotates to be installed in the sleeve and with set nut threaded connection.
As a further improvement of the present invention, the sleeve upper end and the bearing is provided between the screws.
As a further improvement of the utility model, a cavity used for the pull rod to move up and down is arranged in the sleeve.
As a further improvement of the utility model, a vacuum getter is arranged in the outer shell.
As a further improvement of the utility model, the vacuum getter is a zirconium-aluminum getter.
As a further improvement of the utility model, the material that the inlayer bellows adopted is the stainless steel.
As a further improvement of the utility model, the material that outer bellows adopted is the copper alloy.
As a further improvement of the utility model, the material that the shell body adopted is ceramic.
The utility model has the advantages that:
1. the double-layer corrugated pipe structure is adopted, the inner-layer corrugated pipe is made of stainless steel materials, can isolate internal and external high vacuum, and is firm and durable, the outer-layer corrugated pipe is made of high-temperature-resistant copper alloy materials, and the high conductivity of the capacitor under the radio frequency condition can be ensured, so that the whole pipe is welded in a vacuum furnace for one-time sealing and forming, the manufacturing process of the product is fundamentally changed, backward production processes such as cleaning, drying, high-pressure exhaust, jaw opening and the like are eliminated, the production cost is greatly saved, and the production efficiency and the process reliability are improved;
2. the guide sleeve and the mounting base are welded into an integral structure through high-temperature welding materials, and a water circulation channel is formed between the guide sleeve and the mounting base, so that the heat generated by the corrugated pipe in a high-frequency working state is effectively reduced, the mechanical life of the capacitor is greatly prolonged, the heat exchange effect is good, and the maintenance cost of replacing a sealing ring and the like is saved;
3. the bottom in the ceramic shell is provided with a zirconium-aluminum getter, so that trace gases possibly released by devices and materials can be continuously adsorbed in a vacuum environment, and the vacuum degree of the product is maintained.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The following description is made with reference to the accompanying drawings:
1-outer shell; 2-mounting a base;
201-annular groove; 3-guide sleeve;
301-water circulation channel; 302-circular truncated cone connecting part;
4-an electrode; 401-moving electrode;
5-inner corrugated pipe; 6-outer corrugated pipe;
7-a sleeve; 701-chamber;
8-screw rod; 9-positioning nut;
10-vacuum getter; 11-a bearing;
12-a pull rod.
Detailed Description
The following description of a preferred embodiment of the present invention will be made in conjunction with the accompanying drawings.
Referring to fig. 1, the utility model provides a variable ceramic vacuum capacitor of integral type water-cooling, include: shell body 1, mounting base 2, guide pin bushing 3, adjusting part and install double-deck bellows and electrode 4 in shell body 1, the material that shell body 1 adopted is pottery, has insulating properties, and the medium is withstand voltage high, can provide high vacuum environment for electrode 4. The mounting base 2 is fixedly mounted at the top of the outer shell 1, a hole position for inserting the guide sleeve 3 is formed in the center of the mounting base 2, and an annular groove 201 is formed around the hole position; the mounting base 2 is also provided with a plurality of screw holes for mounting. The guide sleeve 3 is inserted into the hole site mounting base 2 and fixedly connected, the guide sleeve 3 is in a hollow mushroom shape, the upper part is provided with a circular table connecting part 302, the circular table connecting part 302 is welded with the upper part of the annular groove 201, the middle part of the guide sleeve 3 and the lower part of the annular groove 201 through high-temperature solders, so that the mounting base 2 and the guide sleeve 3 are welded into an integrated structure, and the circular table connecting part 302 and the annular groove 201 form a water circulation channel 301 in a surrounding manner; the guide sleeve 3 is provided with a water inlet and a water outlet which are communicated with the water circulation channel 301, and circulating water can flow in and out to take away heat generated by the double-layer corrugated pipe under the radio frequency condition, so that the quick and effective cooling effect is achieved, and the performance and the service life of a product are improved.
Wherein, adjusting part includes sleeve 7, screw rod 8, set nut 9 and pull rod 12, and pull rod 12 slidable mounting is in guide pin bushing 3, and guide pin bushing 3 provides vertical location effect for the reciprocating of pull rod 12. The electrode 4 is arranged at the bottom of the outer shell 1 and comprises a movable electrode 401 and a fixed electrode fixed at the bottom of the outer shell 1, and the bottom of the pull rod 12 is fixedly connected with the movable electrode 401. The electrode 4 is a cylindrical electrode, and cylindrical high-conductivity oxygen-free copper is used as an electrode material, and capacitance is generated through coupling between the electrodes. Sleeve 7 fixed mounting is on guide pin bushing 3 top, and set nut 9 glues fixed mounting in pull rod 12 top through locking the screw thread, and screw rod 8 rotates to be installed in sleeve 7, and 8 bottom of screw rod and set nut 9 threaded connection, 8 tops of screw rod are connected with outside motor.
Wherein, a bearing 11 is arranged between the upper end of the sleeve 7 and the screw 8 to support the screw 8. The bearing 11 is a thrust ball bearing, which can reduce the friction when the screw 8 rotates, so that the capacity regulating system operates stably. A chamber 701 for the pull rod 12 to move up and down is arranged in the sleeve 7, and the top of the chamber 701 can play a role in limiting the maximum stroke of the pull rod 12.
Wherein, double-deck bellows includes inlayer bellows 5 and outer bellows 6, and the outside at guide pin bushing 3 is established to inlayer bellows 5 cover, and the material that inlayer bellows 5 adopted is the stainless steel, can provide the high vacuum environment for electrode 4. The outer-layer corrugated pipe 6 is sleeved outside the inner-layer corrugated pipe 5, the outer-layer corrugated pipe 6 is made of copper alloy, and has high-temperature resistance, so that a vacuum furnace welding process is possible, the high-conductivity corrugated pipe has high conductivity, and particularly under the radio frequency working condition, the high-conductivity corrugated pipe ensures the high-conductivity characteristic of a product, reduces the heat productivity of the product, and effectively reduces the power loss of a user. The top ends of the inner layer corrugated pipe 5 and the outer layer corrugated pipe 6 are fixedly welded with the mounting base 2, and the bottom ends of the inner layer corrugated pipe and the outer layer corrugated pipe are fixedly connected with the moving electrode 401.
Wherein, still install vacuum getter 10 in the shell body 1, vacuum getter 10 is the zirconium-aluminum getter, can continue to adsorb the trace gas that device and material can release in vacuum environment, maintains the product vacuum.
Further explain this embodiment, the utility model discloses the theory of operation does: an external motor rotates to drive the screw rod 8 to rotate, the rotation of the screw rod 8 is converted into the linear motion of the pull rod 12 through the positioning nut 9, and the pull rod 12 drives the moving electrode 401 to move up and down, so that the capacitance value of the capacitor is adjusted.
The variable pottery vacuum capacitor of integral type water-cooling adopts double-deck bellows structure, and the inlayer bellows is stainless steel material, can keep apart inside and outside high vacuum, and sturdy and durable, and outer bellows is high temperature resistant copper alloy material, can ensure the high conductance characteristic of condenser under the radio frequency condition for the whole pipe welding is sealed row shaping at one time in the vacuum furnace, and fundamentally has changed the preparation technology of product, has eliminated backward production technology such as washing, stoving, high-pressure exhaust, keep silent, has practiced thrift manufacturing cost greatly, has improved production efficiency and processing procedure reliability.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. An integrated water-cooled variable ceramic vacuum capacitor, comprising: the device comprises an outer shell (1), a mounting base (2), a guide sleeve (3), an adjusting assembly, a double-layer corrugated pipe and an electrode (4), wherein the double-layer corrugated pipe and the electrode (4) are mounted in the outer shell (1), the mounting base (2) is fixedly mounted at the top of the outer shell (1), the guide sleeve (3) is fixedly connected to the mounting base (2), a water circulation channel (301) is formed between the guide sleeve (3) and the mounting base (2), and a water inlet and a water outlet which are mutually communicated with the water circulation channel (301) are formed in the guide sleeve (3); the adjusting component comprises a pull rod (12), and the pull rod (12) is slidably mounted in the guide sleeve (3) and fixedly connected with a moving electrode (401) of the electrode (4); the double-layer corrugated pipe sleeve is arranged on the outer side of the guide sleeve (3), the double-layer corrugated pipe comprises an inner-layer corrugated pipe (5) used for providing a vacuum environment for the electrode (4) and an outer-layer corrugated pipe (6) used for conducting the electrode (4), the inner-layer corrugated pipe (5) and one end of the outer-layer corrugated pipe (6) are fixedly connected with the mounting base (2), and the other end of the outer-layer corrugated pipe is fixedly connected with the moving electrode (401).
2. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: the water circulation device is characterized in that an annular groove (201) is formed in the mounting base (2), a circular table connecting portion (302) is arranged at the top of the guide sleeve (3), and the circular table connecting portion (302) and the annular groove (201) enclose the water circulation channel (301).
3. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: the adjusting assembly further comprises a sleeve (7), a screw rod (8) and a positioning nut (9), the sleeve (7) is fixedly installed at the top end of the guide sleeve (3), the positioning nut (9) is fixedly installed in the top of the pull rod (12), and the screw rod (8) is rotatably installed in the sleeve (7) and is in threaded connection with the positioning nut (9).
4. The integrated water-cooled variable ceramic vacuum capacitor of claim 3, wherein: and a bearing (11) is arranged between the upper end of the sleeve (7) and the screw rod (8).
5. The integrated water-cooled variable ceramic vacuum capacitor of claim 3, wherein: a cavity (701) for the pull rod (12) to move up and down is arranged in the sleeve (7).
6. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: and a vacuum getter (10) is also arranged in the outer shell (1).
7. The integrated water-cooled variable ceramic vacuum capacitor of claim 6, wherein: the vacuum getter (10) is a zirconium-aluminum getter.
8. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: the inner-layer corrugated pipe (5) is made of stainless steel.
9. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: the outer-layer corrugated pipe (6) is made of copper alloy.
10. The integrated water-cooled variable ceramic vacuum capacitor of claim 1, wherein: the outer shell (1) is made of ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021807636.4U CN212342477U (en) | 2020-08-26 | 2020-08-26 | Integrated water-cooling variable ceramic vacuum capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021807636.4U CN212342477U (en) | 2020-08-26 | 2020-08-26 | Integrated water-cooling variable ceramic vacuum capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN212342477U true CN212342477U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021807636.4U Active CN212342477U (en) | 2020-08-26 | 2020-08-26 | Integrated water-cooling variable ceramic vacuum capacitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024030859A1 (en) * | 2022-08-02 | 2024-02-08 | COMET Technologies USA, Inc. | Coaxial variable capacitor |
| WO2024054697A1 (en) * | 2022-05-09 | 2024-03-14 | COMET Technologies USA, Inc. | Dielectric fluid variable capacitor |
-
2020
- 2020-08-26 CN CN202021807636.4U patent/CN212342477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024054697A1 (en) * | 2022-05-09 | 2024-03-14 | COMET Technologies USA, Inc. | Dielectric fluid variable capacitor |
| WO2024030859A1 (en) * | 2022-08-02 | 2024-02-08 | COMET Technologies USA, Inc. | Coaxial variable capacitor |
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