CN216387162U - Multi-transformer high-voltage generator structure for optimizing voltage distribution - Google Patents
Multi-transformer high-voltage generator structure for optimizing voltage distribution Download PDFInfo
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- CN216387162U CN216387162U CN202121755562.9U CN202121755562U CN216387162U CN 216387162 U CN216387162 U CN 216387162U CN 202121755562 U CN202121755562 U CN 202121755562U CN 216387162 U CN216387162 U CN 216387162U
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Abstract
The utility model relates to an optimize many transformers high voltage generator structure of voltage distribution relates to high voltage generator technical field, and it includes the casing, be provided with positive high-voltage portion and negative high-voltage portion in the casing, all be provided with a plurality of high voltage transformers in positive high-voltage portion and the negative high-voltage portion, high voltage transformer's voltage risees step by step along the direction of height top-down of positive high-voltage portion in the positive high-voltage portion, high voltage transformer's voltage risees step by step along negative high-voltage portion direction of height top-down in the negative high-voltage portion.
Description
Technical Field
The application relates to the technical field of high-voltage generators, in particular to a multi-transformer high-voltage generator structure for optimizing voltage distribution.
Background
The high-voltage generator is used as a main device for transmitting power and bearing high voltage, and is generally soaked in insulating oil, the insulating oil with high electrical insulation strength is used as an insulating medium, the purpose of high-voltage insulation is achieved through a solid insulating material, and the reliability of the high-voltage generator directly influences the electrical performance and reliability of the whole machine.
The highest voltage output by the high-voltage generator is 140kV, because the voltage is very high, a positive high voltage and a negative high voltage are generally symmetrically designed, in the design of a general high-voltage generator, a high-voltage transformer generally adopts a positive high voltage and a negative high voltage which are arranged in parallel to enable the voltage to rise step by step, the distribution of an electric field is very uneven, partial discharge is easily caused by tiny flaws of insulating oil or solid insulating materials, high voltage breakdown is caused, the reliability of the high-voltage generator is seriously influenced, and improvement is provided.
SUMMERY OF THE UTILITY MODEL
In order to improve the reliability of the high voltage generator, the application provides a multi-transformer high voltage generator structure with optimized voltage distribution.
The application provides an optimize voltage distribution's multi-transformer high voltage generator structure adopts following technical scheme:
the utility model provides an optimize voltage distribution's many transformers high voltage generator structure, includes the casing, be provided with positive high-voltage portion and negative high-voltage portion in the casing, all be provided with a plurality of high voltage transformers in positive high-voltage portion and the negative high-voltage portion, high voltage transformer's voltage risees step by step along the direction of height of positive high-voltage portion top-down in the positive high-voltage portion, high voltage transformer's voltage risees step by step along negative high-voltage portion direction of height top-down in the negative high-voltage portion.
By adopting the technical scheme, the voltage of the high-voltage transformer in the positive high-voltage part is gradually increased from top to bottom (for example, from 0V to +70 kV) along the height direction of the positive high-voltage part, the voltage of the high-voltage transformer in the negative high-voltage part is gradually increased from top to bottom (for example, from-70 kV to 0V) along the height direction of the negative high-voltage part, and the electric field distribution is more uniform by reducing the relative voltage at the adjacent part of the positive high-voltage part and the negative high-voltage part, so that the reliability of the high-voltage generator is improved.
Preferably, a first insulating plate is disposed in the housing, and the first insulating plate is located between the positive high-voltage portion and the negative high-voltage portion.
Through adopting above-mentioned technical scheme, through set up first insulating plate between positive high-voltage portion and negative high-voltage portion, help improving the insulating effect between positive high-voltage portion and the negative high-voltage portion.
Preferably, the length of the first insulating plate is greater than or equal to the length of the positive and negative high-voltage parts.
Through adopting above-mentioned technical scheme, the length of first insulation board is more than or equal to the length of positive high-voltage part and negative high-voltage part, and the first insulation board of being convenient for carries out insulation protection between positive high-voltage part and the negative high-voltage part, has further improved the insulating effect between positive high-voltage part and the negative high-voltage part.
Preferably, the shell is provided with a positive high-voltage socket and a negative high-voltage socket, and second insulating plates are arranged around the positive high-voltage socket and the negative high-voltage socket.
By adopting the technical scheme, the shell is generally a metal shell, and the second insulating plates are arranged around the positive high-voltage socket and the negative high-voltage socket, so that on one hand, the positive high-voltage socket and the negative high-voltage socket are conveniently insulated and protected; on the other hand, the insulating capability between the positive high-voltage part and the negative high-voltage part and between the positive high-voltage socket and the negative high-voltage socket is improved, the occurrence of partial discharge is reduced, and the reliability of the high-voltage generator is further improved.
Preferably, the middle part of any second insulating plate is bent to form a covering part, and the covering part covers the wiring terminals of the positive high-voltage socket and the negative high-voltage socket.
By adopting the technical scheme, the cover-arranged part formed on the second insulating plate covers the wiring terminals of the positive high-voltage socket and the negative high-voltage socket which are easy to discharge, so that the insulation protection effect of the positive high-voltage socket and the negative high-voltage socket is improved.
Preferably, the first insulating plate and the second insulating plate are made of solid insulating materials such as polypropylene, polytetrafluoroethylene and the like.
By adopting the technical scheme, the solid insulating material has the characteristics of high voltage resistance, high density and high breakdown strength, and the condition that the reliability of the high-voltage generator is influenced by the breakdown of the insulating plate is reduced.
Preferably, the housing is filled with insulating oil, and the high-voltage transformer is immersed in the insulating oil.
By adopting the technical scheme, the high-voltage transformer is soaked in the insulating oil, and the insulating oil is used for carrying out integral insulation protection on the high-voltage transformer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in the prior art, because the positive high-voltage part and the negative high-voltage part in the shell are close to each other, and higher voltage needs to be borne between the positive high-voltage part and the negative high-voltage part, the electric field distribution between the high-voltage transformers in the positive high-voltage part and the negative high-voltage part is very uneven, the electric field distribution is more even by reducing the relative voltage near the positive high-voltage part and the negative high-voltage part, and the reliability of the high-voltage generator is improved;
2. the first insulating plate is used for insulating and protecting the positive high-voltage part and the negative high-voltage part, and the second insulating plate is used for protecting the wiring terminals of the positive high-voltage socket and the negative high-voltage socket, so that the insulating effect of the wiring terminals of the positive high-voltage socket and the negative high-voltage socket is greatly improved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a high voltage generator according to an embodiment of the present application;
fig. 2 is a schematic view mainly showing a mounting structure of a first insulating plate and a second insulating plate in the present embodiment;
reference numerals: 1. a housing; 11. a first insulating plate; 12. a positive high voltage socket; 13. a negative high voltage socket; 2. a positive high-voltage part; 3. a negative high-voltage part; 4. a high voltage transformer; 5. insulating oil; 6. a second insulating plate; 61. a covering part.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a multi-transformer high-voltage generator structure for optimizing voltage distribution.
Referring to fig. 1, a multi-transformer high voltage generator structure for optimizing voltage distribution includes a housing 1, a positive high voltage part 2 and a negative high voltage part 3 are provided in the housing 1, a plurality of high voltage transformers 4 are provided in the first high voltage part and the second high voltage part, insulating oil 5 is injected into the housing 1, and the high voltage transformers 4 are soaked in the insulating oil 5.
The voltage of the high voltage transformer 4 in the positive high voltage part 2 is gradually increased from top to bottom along the height direction of the positive high voltage part 2, and the voltage of the high voltage transformer 4 in the negative high voltage part 3 is gradually increased from top to bottom along the height direction of the negative high voltage part 3. In detail, the positive voltage of the high voltage transformer 4 in the positive high voltage part 2 is increased from 0V to +70kV from bottom to top along the height direction of the positive high voltage part 2, and the negative voltage in the negative high voltage part 3 is increased from-70 kV to 0V from top to bottom along the height direction thereof. The problem of among the prior art because the distance is nearer between positive high-voltage part 2 and the negative high-voltage part 3, high-voltage part need bear higher voltage between positive high-voltage part 2 and the negative high-voltage part 3 among this application for electric field distribution between positive high-voltage part 2 and the negative high-voltage part 3 is very inhomogeneous, through reducing positive high-voltage part 2 and the adjacent department relative voltage of negative high-voltage part 3, makes electric field distribution more even, has improved high voltage generator's reliability.
With continued reference to fig. 1, a first insulating plate 11 is installed and fixed in the housing 1, the first insulating plate 11 is located between the positive high-voltage part 2 and the negative high-voltage part 3, and the length of the first insulating plate 11 is greater than or equal to the lengths of the positive high-voltage part 2 and the negative high-voltage part 3, so that the insulating effect between the positive high-voltage part 2 and the negative high-voltage part 3 is improved.
Referring to fig. 2, a positive high voltage socket 12 and a negative high voltage socket 13 are mounted on the housing 1, second insulating plates 6 are mounted around the positive high voltage socket 12 and the negative high voltage socket 13, any one of the second insulating plates 6 is U-shaped as a whole, a covering portion 61 is formed in the middle of each of the two second insulating plates 6 in a bending manner, and the two covering portions 61 are respectively covered on the connecting terminals of the positive high voltage socket 12 and the negative high voltage socket 13. The first insulating plate 11 and the second insulating plate 6 are both made of solid insulating materials such as polypropylene and polytetrafluoroethylene, and the solid insulating materials have the characteristics of high voltage resistance, high density and high breakdown strength, so that the situation that the reliability of the high-voltage generator is influenced by the breakdown of the insulating plates is reduced.
The implementation principle of the embodiment of the application is as follows: in actual installation, a worker firstly installs the high-voltage transformer 4 in the positive high-voltage part 2 and the negative high-voltage part 3 in the high-voltage generator shell 1, so that the voltage of the high-voltage transformer 4 in the positive high-voltage part 2 is gradually increased from top to bottom along the height direction of the positive high-voltage part 2, and the voltage of the high-voltage transformer 4 in the negative high-voltage part 3 is gradually decreased from top to bottom along the height direction of the negative high-voltage part 3; then, a worker installs the first insulating plate 11 between the positive high-voltage part 2 and the negative high-voltage part 3, covers the positive high-voltage socket 12 and the negative high-voltage socket 13 on the connecting terminals of the positive high-voltage socket 12 and the negative high-voltage socket 13 installed on the shell 1 with the second insulating plate 6 for insulation protection, and finally injects insulating oil 5 into the shell 1 to immerse the high-voltage transformer 4 in the insulating oil 5, so that the insulation property and the reliability of the high-voltage generator are improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. A multi-transformer high-voltage generator structure optimizing voltage distribution, comprising a housing (1), characterized in that: the high-voltage transformer is characterized in that a positive high-voltage portion (2) and a negative high-voltage portion (3) are arranged in the shell (1), a plurality of high-voltage transformers (4) are arranged in the positive high-voltage portion (2) and the negative high-voltage portion (3), the voltage of the high-voltage transformers (4) in the positive high-voltage portion (2) is gradually increased along the height direction of the positive high-voltage portion (2), and the voltage of the high-voltage transformers (4) in the negative high-voltage portion (3) is gradually increased along the height direction of the negative high-voltage portion (3).
2. A multi-transformer high-voltage generator architecture for optimizing voltage distribution according to claim 1, characterized in that: a first insulating plate (11) is arranged in the shell (1), and the first insulating plate (11) is located between the positive high-voltage part (2) and the negative high-voltage part (3).
3. A multi-transformer high-voltage generator architecture for optimizing voltage distribution according to claim 2, characterized in that: the length of the first insulating plate (11) is greater than or equal to the length of the positive high-voltage part (2) and the negative high-voltage part (3).
4. A multi-transformer high-voltage generator architecture for optimizing voltage distribution according to claim 3, characterized in that: the high-voltage switch is characterized in that a positive high-voltage socket (12) and a negative high-voltage socket (13) are arranged on the shell (1), and second insulating plates (6) are arranged around the positive high-voltage socket (12) and the negative high-voltage socket (13).
5. The multi-transformer high-voltage generator structure for optimizing voltage distribution of claim 4, wherein: and a cover part (61) is formed in the middle of any second insulating plate (6) in a bent mode, and the cover part (61) covers the wiring terminals of the positive high-voltage socket (12) and the negative high-voltage socket (13).
6. A multi-transformer high-voltage generator architecture for optimizing voltage distribution according to claim 1, characterized in that: insulating oil (5) is injected into the shell (1), and the high-voltage transformer (4) is soaked in the insulating oil (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121755562.9U CN216387162U (en) | 2021-07-29 | 2021-07-29 | Multi-transformer high-voltage generator structure for optimizing voltage distribution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121755562.9U CN216387162U (en) | 2021-07-29 | 2021-07-29 | Multi-transformer high-voltage generator structure for optimizing voltage distribution |
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Publication Number | Publication Date |
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CN216387162U true CN216387162U (en) | 2022-04-26 |
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CN202121755562.9U Withdrawn - After Issue CN216387162U (en) | 2021-07-29 | 2021-07-29 | Multi-transformer high-voltage generator structure for optimizing voltage distribution |
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CN (1) | CN216387162U (en) |
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2021
- 2021-07-29 CN CN202121755562.9U patent/CN216387162U/en not_active Withdrawn - After Issue
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