CN209929081U - Insulation support frame for high-frequency transformer - Google Patents
Insulation support frame for high-frequency transformer Download PDFInfo
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- CN209929081U CN209929081U CN201921190829.7U CN201921190829U CN209929081U CN 209929081 U CN209929081 U CN 209929081U CN 201921190829 U CN201921190829 U CN 201921190829U CN 209929081 U CN209929081 U CN 209929081U
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- transformer
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Abstract
The utility model discloses an insulation support frame for high frequency transformer. The insulating support frame is used in the electrostatic dust removal high-frequency high-voltage transformer. The support consists of six parts, namely a left side plate, a lower strip stop, a right side plate, an outlet connecting plate, a hoisting plate, an upper strip stop and the like. The support organically connects the high-frequency transformer, the high-voltage silicon stack and the resonant capacitor together, and is compact in structure and reasonable in arrangement. The support frame is made of insulating materials, the fasteners are made of nylon bolts, the strength of the structure of the support frame is guaranteed, eddy current in the support frame is prevented from being generated, and electric energy loss is reduced.
Description
Technical Field
The utility model belongs to the electrical equipment field specifically is transformer support equipment, especially relates to an insulation support frame for high frequency transformer.
Background
The inner core of the high-frequency high-voltage transformer consists of an iron core, a winding, a resonant capacitor, a rectifier silicon stack and the like, and the components are required to be assembled into a complete whole during manufacturing, so that the inner core can be conveniently immersed into a transformer oil tank. This requires a bracket to mount the components.
At present, a common practice is to use angle steel to manufacture a transformer mounting bracket, and when the bracket is used for mounting a high-frequency transformer, in order to prevent the generation of eddy current, a conductive loop cannot be formed when the metal bracket is manufactured, so that insulation treatment is performed at the connection position of the bracket to prevent the formation of the conductive loop. The main problems of the bracket made of steel are as follows: although the metal support blocks the conductive loop, the support also contains a plurality of whole blocks of steel, and eddy currents can be induced on the section of very small steel due to the operation frequency of the high-frequency high-voltage transformer being as high as 20 kHz. At present, various different supports are designed by various manufacturers to solve the problem of induced eddy current generated in steel.
In the existing high-frequency high-voltage transformer, a mounting bracket of a transformer core body is generally made of steel, a conductive loop cannot be formed generally when the bracket is manufactured, and the problem is solved by adopting a method of carrying out insulation treatment on a bracket joint. But still have the following disadvantages or problems: 1. is made of steel. Heavy and difficult to carry. 2. The insulation of the steel joint is difficult to treat, and the insulation is easy to damage in the operation of the transformer. 3. Although there is no large conductive loop, microscopic loops still exist in the steel and metal bolt portions. Local currents are still generated. 4. The eddy current generates an electric energy loss and the operation temperature of the transformer rises.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides the scheme of insulating material support, solves high frequency electric quantity and produces the vortex in metal support, extravagant electric energy and the high problem of transformer temperature rise.
The technical scheme of the utility model is specifically as follows.
An insulation support frame for a high-frequency transformer comprises a left side plate, a right side plate, a lower strip baffle, an upper strip baffle, an outgoing line connecting plate and a hoisting plate;
the upper parts of the left side plate and the right side plate are connected through a winding bar, the lower parts of the left side plate and the right side plate are connected through a winding bar, and the middle part of a structure consisting of the left side plate, the right side plate, the winding bar and the winding bar is used for accommodating an inner core of a high-frequency high-voltage transformer; the hoisting plate is arranged at the top of the insulating support frame, the hoisting plate is connected with the left side plate, the right side plate and/or the winding rail, and the outer side of the right side plate is fixedly provided with an outgoing line connecting plate; the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are all made of insulating materials; the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are connected through insulating connecting pieces.
Preferably, the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are made of FR-4 insulating materials.
Preferably, the insulating connecting piece is a bolt made of an insulating material, and preferably is a nylon bolt.
Preferably, the hoisting plate is arranged between the upper bar and the left side plate and between the upper bar and the right side plate. The use of the insulating connecting piece can be reduced, and the integral stability of the insulating bracket can be enhanced.
Preferably, two upper bars and two lower bars are arranged respectively, and the upper bars are horizontally arranged in parallel; the lower bars are horizontally and parallelly arranged; the hoisting plates are four in number; are respectively positioned at the two ends of the two upper bars.
Preferably, the lower strip is used for placing the whole of the transformer core and the winding and the high-voltage silicon stack, the upper strip is used for installing the resonant capacitor, and the hoisting plate is used for connecting the support frame with the top cover of the transformer oil tank. The outgoing line connecting plate is used for mounting a high-voltage outgoing line of the transformer.
The utility model discloses a to the design of transformer core support frame for the overall structure of transformer core arranges rationally, and the wholeness is good. Thereby, the following effects are achieved:
1. the wholeness is good, elegant appearance, and is convenient to maintain and install.
2. The transformer core is compact in arrangement and small in size, and the size of the transformer core is reduced, so that the overall size of the transformer is reduced. The using amount of the transformer oil is reduced.
3. The support frame is made of insulating materials, the fasteners are made of nylon bolts, the strength of the structure of the support frame is guaranteed, eddy current in the support frame is prevented from being generated, and electric energy loss is reduced.
The support frame is simple in structure, visual, firm in fixing of all components, stable in electrical safety distance, safe, reliable and suitable for batch production.
Drawings
Fig. 1 is a schematic structural view of the insulating support frame of the present invention;
fig. 2 is a schematic structural view (front view) of the assembled insulating support frame of the present invention;
fig. 3 is a schematic structural diagram (side view) of the assembled insulation support frame of the present invention.
In the figure, a left side plate 1, a transformer (an integral body of an iron core and a winding) 2, a high-voltage silicon stack 3, a lower strip stop 4, a right side plate 5, an outgoing line connecting plate 6, a hoisting plate 7, an upper strip stop 8, a resonant capacitor 9 and a nylon bolt 10.
Detailed Description
As shown in fig. 1-3, the insulating support frame for a high-frequency transformer of the present invention comprises a left side plate 1, a right side plate 5, a lower bar 4, an upper bar 8, an outgoing line connecting plate 6 and a hoisting plate 7;
the upper parts of the left side plate and the right side plate are connected through a winding bar, the lower parts of the left side plate and the right side plate are connected through a winding bar, and the middle part of a structure consisting of the left side plate, the right side plate, the winding bar and the winding bar is used for accommodating an inner core of a high-frequency high-voltage transformer; the hoisting plate is arranged at the top of the insulating support frame, the hoisting plate is connected with the left side plate, the right side plate and/or the winding rail, and the outer side of the right side plate is fixedly provided with an outgoing line connecting plate; the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are all made of insulating materials; the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are connected through insulating connecting pieces.
The lower strip is used for placing the whole of the transformer iron core and the winding and the high-voltage silicon stack, the upper strip is used for installing the resonance capacitor, and the hoisting plate is used for connecting the support frame with the top cover of the transformer oil tank. The outgoing line connecting plate is used for mounting a high-voltage outgoing line of the transformer.
The high-frequency high-voltage transformer inner core is composed of a transformer 2, a high-voltage silicon stack 3 and a resonant capacitor 9, the high-frequency transformer, the high-voltage silicon stack and the resonant capacitor are organically connected together through the support, and the high-frequency high-voltage transformer inner core is compact in structure and reasonable in arrangement. The support and the inner core of the high-frequency high-voltage transformer form a whole, are connected to the top of the oil tank cover of the transformer, and are hoisted into the oil tank of the transformer during installation. When the transformer operates, the core body of the transformer operates in a high-frequency high-voltage state, and the support of the core body is made of insulating materials, so that eddy current generated by high-frequency induction is avoided. The electric energy is saved, and the oil temperature of the transformer is reduced.
In a specific embodiment of the present invention, the left side plate, the right side plate, the lower bar, the upper bar, the outgoing line connecting plate and the hoisting plate are made of FR-4 insulating material. FR-4 is a code of a flame-resistant material grade, which means a material specification that a resin material must be self-extinguished after burning, and it is not a material name but a material grade, so that there are very many kinds of FR-4 grade materials currently used for general circuit boards, but most are composite materials made of so-called tetra-functional (terra-Function) epoxy resin plus Filler (Filler) and glass fiber. The FR-4 insulating material used by the utility model is the FR-4 epoxy glass cloth laminated board. The epoxy glass fiber cloth substrate is the most widely applied product type FR-4. The FR-4 epoxy glass fiber cloth substrate is a substrate which takes epoxy resin as an adhesive and takes electronic grade glass fiber cloth as a reinforcing material. The mechanical property, dimensional stability, impact resistance and moisture resistance of the epoxy glass fiber cloth substrate are higher than those of a paper substrate. Its advantages are high electric performance, high working temp and less environmental influence.
In a specific embodiment of the present invention, the insulating connecting member is a bolt made of an insulating material, preferably a nylon bolt.
In a specific embodiment of the present invention, the hoisting plate is installed between the winding bar and the left side plate and between the winding bar and the right side plate. Taking the left side plate as an example, the arrangement can enable a winding rail, the left side plate and a hoisting plate to be connected by adopting an insulating connecting piece. Compare in the winding shelves and adopt the nylon bolt to link to each other with the left side board, the scheme that again will hoist board and winding shelves or left side board link to each other through insulating connecting piece alone, its reducible insulating connecting piece's of use also can strengthen the holistic stability of insulating support.
In a specific embodiment of the utility model, there are two upper and lower bars, and the upper bars are horizontally and parallelly installed; the lower bars are horizontally and parallelly arranged; the hoisting plates are four in number; are respectively positioned at the two ends of the two upper bars.
The utility model discloses a concrete embodiment, left side board and right side board upper portion open and to have the opening, the connecting plate of being qualified for the next round of competitions be located the outside of right side board, the mounted position is followed under the opening for install transformer high voltage lead-out wire.
Claims (7)
1. An insulation support frame for a high-frequency transformer is characterized by comprising a left side plate, a right side plate, a lower strip baffle, an upper strip baffle, an outgoing line connecting plate and a hoisting plate;
the upper parts of the left side plate and the right side plate are connected through a winding bar, the lower parts of the left side plate and the right side plate are connected through a winding bar, and the middle part of a structure consisting of the left side plate, the right side plate, the winding bar and the winding bar is used for accommodating an inner core of a high-frequency high-voltage transformer; the hoisting plate is arranged at the top of the insulating support frame, the hoisting plate is connected with the left side plate, the right side plate and/or the winding rail, and the outer side of the right side plate is fixedly provided with an outgoing line connecting plate; the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are all made of insulating materials; and the joints among the left side plate, the right side plate, the lower strip stop, the upper strip stop, the outgoing line connecting plate and the hoisting plate are all connected through insulating connecting pieces.
2. The insulation support frame for high frequency transformer as claimed in claim 1, wherein said left side plate, right side plate, lower bar, upper bar, outgoing line connection plate and hanging plate are made of FR-4 insulation material.
3. The insulation support frame for high frequency transformer as claimed in claim 1, wherein said insulation connector is a nylon bolt.
4. The insulation support frame for high frequency transformer as claimed in claim 1, wherein said lifting plates are installed between the upper rail and the left side plate and between the upper rail and the right side plate.
5. The insulation support frame for high frequency transformer as claimed in claim 1, wherein there are two upper bars and two lower bars, and the two upper bars are horizontally installed in parallel; the two lower bars are horizontally and parallelly arranged.
6. The insulating support frame for high-frequency transformers according to claim 5, characterized in that said lifting plates are four in number; are respectively positioned at the two ends of the two upper bars.
7. The insulation supporting bracket for high frequency transformer as claimed in claim 1, wherein said left side plate and said right side plate are opened at upper portions thereof with openings, said outgoing line connecting plate is located at an outer side of said right side plate, and is installed at a lower edge of said openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190829.7U CN209929081U (en) | 2019-07-26 | 2019-07-26 | Insulation support frame for high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921190829.7U CN209929081U (en) | 2019-07-26 | 2019-07-26 | Insulation support frame for high-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929081U true CN209929081U (en) | 2020-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921190829.7U Active CN209929081U (en) | 2019-07-26 | 2019-07-26 | Insulation support frame for high-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929081U (en) |
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2019
- 2019-07-26 CN CN201921190829.7U patent/CN209929081U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force 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: An insulation support frame for high-frequency transformers Effective date of registration: 20230804 Granted publication date: 20200110 Pledgee: Industrial and Commercial Bank of China Limited Jinhua Branch Pledgor: ZHEJIANG JIAHUAN ELECTRONIC CO.,LTD. Registration number: Y2023330001647 |