CN211929261U

CN211929261U - Device for reducing distributed capacitance of high-frequency high-voltage transformer

Info

Publication number: CN211929261U
Application number: CN202020565651.6U
Authority: CN
Inventors: 沈怡; 王猛
Original assignee: Suzhou Qinersheng Electric Co ltd
Current assignee: Suzhou Qinersheng Electric Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-11-13
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a device for reducing distributed capacitance of a high-frequency high-voltage transformer, which comprises a transformer main body and an insulating porcelain bottle, wherein the left and right side positions of the lower end of the transformer main body are provided with supporting fixed bottom posts, the front and back two end positions and the left and right two end positions of the transformer main body are provided with radiating fins, the middle positions of the left and right sides of the upper end of the transformer main body are provided with through hole fixed blocks, because a detachable copper wire sleeve is arranged and is fixedly connected with a wiring terminal row through a fixed nut and a through hole electric block, and simultaneously, the rear semicircular wire sleeve is fixedly connected with a fixed slot in the front fixed semicircular wire sleeve through a fixed bolt and a through hole inserted column, when the detachable copper wire sleeve is fixedly connected with an external low-voltage wire, a worker can quickly fixedly connect with the external low-voltage wire by disassembling and assembling the detachable copper wire sleeve, this saves installation time for the worker.

Description

Device for reducing distributed capacitance of high-frequency high-voltage transformer

Technical Field

The utility model belongs to the technical field of reduce the device correlation of high frequency high voltage transformer distributed capacitance, concretely relates to reduce device of high frequency high voltage transformer distributed capacitance.

Background

The high-frequency transformer is a power transformer with the working frequency exceeding the intermediate frequency (10kHz), is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply, and is also used as a high-frequency inverter power transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine; according to the working frequency, the method can be divided into several grades: 10kHz-50kHz, 50kHz-100kHz, 100 kHz-500 kHz, 500 kHz-1 MHz and more than 10 MHz.

The prior device technology for reducing the distributed capacitance of the high-frequency high-voltage transformer has the following problems: when the existing device for reducing the distributed capacitance of the high-frequency high-voltage transformer is used, because the copper wire sleeve is a whole, when the copper wire sleeve is fixedly connected with an external low-voltage wire, a worker can find that the installation of the external low-voltage wire is very troublesome, so that the installation time of the worker is delayed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce device of high frequency high voltage transformer distributed capacitance to what put forward delays staff's installation time problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for reducing distributed capacitance of a high-frequency high-voltage transformer comprises a transformer main body and an insulating porcelain insulator, wherein supporting fixed bottom posts are arranged at the left side and the right side of the lower end of the transformer main body, radiating fins are arranged at the front end position, the rear end position, the left end position and the right end position of the transformer main body, through hole fixed blocks are arranged at the middle positions of the left side and the right side of the upper end of the transformer main body, a terminal row fixed block is arranged at the front side position in the upper end of the transformer main body, a terminal row is arranged at the rear side position of the upper end of the terminal row fixed block, a detachable copper wire sleeve is arranged at the rear end position of the terminal row, the detachable copper wire sleeve comprises a front fixed semicircular wire sleeve, a through hole electric block, a through hole inserting post, a rear semicircular wire sleeve, a convex round hole, preceding fixed semicircle line cover rear end left and right sides inside position department is provided with fixed slot, two protruding font round hole is located both sides position department about the fixed slot, preceding fixed semicircle line cover lower extreme rear side position department is provided with clearing hole electric property piece, preceding fixed semicircle line cover rear end position department is provided with back semicircle line cover, back semicircle line cover front end left and right sides position department is provided with the through-hole inserted column, transformer main part back upper end intermediate position department and left and right sides position department are provided with insulating vase.

Preferably, the transformer body is provided with the radiating grooves at the inner positions of the front end and the rear end and the inner positions of the left end and the right end, the four radiating grooves are welded with the radiating fins, the transformer body is respectively electrically connected with the wiring terminal row and the insulating porcelain insulator through electric wires, and inner threaded holes are formed in the inner positions of the left side and the right side of the lower end of the transformer body and in the inner positions of the front side and the rear side of the transformer body.

Preferably, the number of the supporting and fixing bottom columns is two, the inner positions of the front side and the rear side of the middle of each supporting and fixing bottom column are provided with convex fixing round holes, the inner positions of the front side and the rear side of each supporting and fixing bottom column are provided with internal thread holes, and the outer wall positions of the two supporting and fixing bottom columns are provided with insulating anti-oxidation paint layer structures.

Preferably, the number of the radiating fins is four, anti-oxidation paint layer structures are arranged on the outer walls of the four radiating fins, and the four radiating fins are welded with the transformer main body.

Preferably, the inside position department of left and right sides and the inside position department of left and right sides are provided with the round hole in the middle of the terminal row fixed block, the terminal row fixed block height sets up to two centimetres, the terminal row fixed block welds with the binding post row.

Preferably, the binding post row sets up to four, four binding post row rear end intermediate position department is provided with external screw thread electric property post, four binding post row passes through electric property line and transformer main part electric connection, four binding post row and the fixed block welding of terminal row.

Preferably, removable copper wire cover sets up to be a plurality of, and is a plurality of removable copper wire cover thickness sets up to a centimetre, and is a plurality of through-hole in the removable copper wire cover is inserted the post and is provided with the through-hole in both sides internal position department from top to bottom, and is a plurality of in the removable copper wire cover, two outer wall position departments are provided with anti-oxidation paint layer structure.

Preferably, the number of the insulating porcelain bottles is three, the three insulating porcelain bottles are electrically connected with the transformer main body through electric wires, the height of the three insulating porcelain bottles is thirty centimeters, and the positions of the outer walls of the three insulating porcelain bottles are provided with anti-oxidation paint layer structures.

Compared with the prior art, the utility model provides a reduce device of high frequency high voltage transformer distributed capacitance possesses following beneficial effect:

1. the utility model discloses install removable copper wire cover, and removable copper wire cover passes through fixation nut and clearing hole electric property piece and binding post row fixed connection, the fixed slot fixed connection in back semicircle line cover passes through fixing bolt and through-hole inserted column and preceding fixed semicircle line cover simultaneously to when carrying out fixed connection work with outside low-voltage electric wire, the staff just makes removable copper wire cover can be quick and outside low-voltage electric wire fixed connection, will practice thrift staff's installation time like this.

2. The utility model is provided with a detachable copper wire sleeve which is fixedly connected with a connecting terminal row through a fixing nut and a through hole electric block, when the detachable copper wire sleeve is fixedly connected with an external low-voltage wire, an operator can separate the fixing bolt from the convex round hole and the through hole in the through hole plug post by rotating the fixing bolt, and then pull the rear semicircle wire sleeve outwards to separate the through hole plug post from the fixing slot, thereby separating the rear semicircle wire sleeve from the front fixing semicircle wire sleeve, after the low-voltage wire is placed in the front fixing semicircle wire sleeve, the operator aligns the through hole plug post with the fixing slot, then inserts the through hole plug post into the fixing slot, the through hole plug post is sleeved with the fixing slot, when the convex round hole is aligned with the through hole in the through hole plug post, the operator can rotate the fixing bolt, the fixing bolt is respectively and fixedly connected with the convex round hole and the through hole in the through hole inserting column in a rotating mode, so that the rear semicircular line sleeve is fixedly connected with the front fixed semicircular line sleeve, the installation work of workers can be rapidly carried out conveniently, and the installation time of the workers is saved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural diagram of a device for reducing distributed capacitance of a high-frequency high-voltage transformer according to the present invention;

fig. 2 is an enlarged schematic structural view of a local device provided by the present invention;

fig. 3 is a schematic view of an exploded structure of a detachable copper wire sheath in front view according to the present invention;

fig. 4 is a schematic structural view of a right side view of the front fixed semicircular wire sleeve provided by the utility model;

in the figure: 1. an insulating porcelain insulator; 2. a through hole fixing block; 3. a terminal block fixing block; 4. a heat sink; 5. supporting and fixing the bottom pillar; 6. a transformer body; 7. a terminal block; 8. a detachable copper wire sleeve; 81. a semicircular wire sleeve is fixed in front; 82. passing through the via electrical block; 83. inserting a column through the through hole; 84. a rear semicircular wire sleeve; 85. a circular hole shaped like a Chinese character 'tu'; 86. and fixing the slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a device for reducing distributed capacitance of a high-frequency high-voltage transformer comprises a transformer main body 6 and an insulating porcelain bottle 1, wherein heat dissipation grooves are arranged at the inner positions of the front end and the rear end of the transformer main body 6 and at the inner positions of the left end and the right end of the transformer main body 6, and four heat dissipation grooves are welded with heat dissipation fins 4, the transformer main body 6 is respectively electrically connected with a wiring terminal row 7 and the insulating porcelain bottle 1 through electric wires, inner threaded holes are arranged at the inner positions of the left side and the right side of the lower end of the transformer main body 6 and at the inner positions of the front side and the rear side of the lower end of the transformer main body 6, high-low voltage conversion work can be better performed through the transformer main body 6, supporting and fixing bottom posts 5 are arranged at the positions of the left side and the right side of the lower end of the transformer main body 6, the outer wall positions of two supporting and fixing bottom posts 5 are provided with insulating anti-oxidation paint layer structures, the two supporting and fixing bottom posts 5 can better perform fixing and supporting work and can also better perform fixing and connecting work with an external fixed end, radiating fins 4 are arranged at the front end position, the rear end position, the left end position and the right end position of a transformer main body 6, the number of the radiating fins 4 is four, the outer wall positions of the four radiating fins 4 are provided with anti-oxidation paint layer structures, the four radiating fins 4 are welded with the transformer main body 6, the radiating work can be better performed through the four radiating fins 4, the middle positions of the left side and the right side of the upper end of the transformer main body 6 are provided with through hole fixing blocks 2, the front side position in the upper end of the transformer main body 6 is provided with a terminal row fixing block 3, the inner, the height of the terminal row fixing block 3 is set to be two centimeters, the terminal row fixing block 3 is welded with the terminal row 7, the terminal row fixing block 3 can better perform fixed connection work and fixed support work, the terminal row fixing block 3 is provided with the terminal row 7 at the rear position of the upper end, the terminal row 7 is set to be four, the middle positions of the rear ends of the four terminal row 7 are provided with the external thread electric columns, the four terminal row 7 is electrically connected with the transformer main body 6 through an electric line, the four terminal row 7 is welded with the terminal row fixing block 3, low-voltage current transmission work can be better performed through the four terminal row 7, the rear position of the terminal row 7 is provided with the detachable copper wire sleeve 8, and the detachable copper wire sleeve 8 comprises a front fixed semicircular wire sleeve 81, a through hole electric block 82, a through hole inserting column 83, a rear semicircular wire sleeve, A plurality of detachable copper wire sleeves 8, a plurality of detachable copper wire sleeves 8 are arranged, the thickness of the plurality of detachable copper wire sleeves 8 is set to be one centimeter, through holes are arranged at the upper and lower inner positions of the through hole insertion posts 83 in the plurality of detachable copper wire sleeves 8, and an anti-oxidation paint layer is arranged at the inner and outer wall positions of the plurality of detachable copper wire sleeves 8, through carrying out dismouting work to removable copper wire cover 8, can be better with outside low voltage electric wire fixed connection, transformer body 6 back upper end intermediate position department and left and right sides position department are provided with insulator 1, insulator 1 sets up to three, three insulator 1 is through electric property line and 6 electric connection of transformer body, three insulator 1 highly sets up to thirty centimetres, 1 outer wall position department of three insulator is provided with anti-oxidation paint layer structure, through three insulator 1, can carry out electric connection with outside high tension electric wire better.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the worker firstly fixes and connects the supporting and fixing bottom pillar 5 with the external fixed end, so that the whole device can be fixed and connected with the external fixed end, then the worker connects the three insulator 1 with the external high-voltage line, then the worker can quickly fix the detachable copper wire sheath 8 with the external low-voltage line by disassembling and assembling the detachable copper wire sheath 8, then the detachable copper wire sheath 8 can be fixed with the terminal block 7 by the fixing nut, after all the above-mentioned operations are completed, the operator can close the switch of the high-voltage line, and through the transformer body 6, the high-low voltage conversion work can be better carried out, so that the whole device can be better put into use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reduce device of high frequency high voltage transformer distributed capacitance, includes transformer main part (6) and insulating vase (1), its characterized in that: the transformer comprises a transformer body (6), wherein supporting and fixing bottom posts (5) are arranged at the left side and the right side of the lower end of the transformer body (6), radiating fins (4) are arranged at the front end and the right side of the transformer body (6), through hole fixing blocks (2) are arranged at the middle positions of the left side and the right side of the upper end of the transformer body (6), a terminal row fixing block (3) is arranged at the middle position of the front side of the upper end of the transformer body (6), a terminal row fixing block (7) is arranged at the rear position of the upper end of the terminal row fixing block (3), a detachable copper wire sleeve (8) is arranged at the rear position of the terminal row (7), the detachable copper wire sleeve (8) comprises a front fixing semicircular wire sleeve (81), a through hole electric block (82), a through hole inserting post (83), a rear semicircular wire sleeve (84, preceding fixed semicircle line cover (81) rear side about both ends inside position department is provided with type round hole (85) on the both sides, preceding fixed semicircle line cover (81) rear end left and right sides inside position department is provided with fixed slot (86), two side position department about type round hole (85) are located fixed slot (86), preceding fixed semicircle line cover (81) lower extreme rear side position department is provided with clearing hole electric property piece (82), preceding fixed semicircle line cover (81) rear end position department is provided with back semicircle line cover (84), back semicircle line cover (84) front end left and right sides position department is provided with through-hole inserted column (83), transformer main body (6) back upper end intermediate position department and left and right sides position department are provided with insulating vase (1).

2. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: the transformer comprises a transformer body (6), wherein radiating grooves are formed in the inner positions of the front end and the rear end of the transformer body and the inner positions of the left end and the right end of the transformer body, the four radiating grooves are welded with radiating fins (4), the transformer body (6) is respectively electrically connected with a wiring terminal row (7) and an insulating porcelain bottle (1) through electric wires, and inner threaded holes are formed in the inner positions of the left side and the right side of the lower end of the transformer body (6) and the inner positions of the front side and the rear side of.

3. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: the supporting and fixing bottom pillar comprises two supporting and fixing bottom pillars (5), wherein the inner positions of the front side and the rear side of the middle of each supporting and fixing bottom pillar (5) are provided with convex-shaped fixing round holes, the inner positions of the front side and the rear side of each supporting and fixing bottom pillar (5) are provided with internal thread holes, and the outer wall positions of the supporting and fixing bottom pillars (5) are provided with insulating anti-oxidation paint layer structures.

4. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: the transformer is characterized in that the number of the radiating fins (4) is four, anti-oxidation paint layer structures are arranged on the outer walls of the four radiating fins (4), and the four radiating fins (4) are welded with the transformer main body (6).

5. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: the terminal row fixing block is characterized in that round holes are formed in the positions of the inner positions of the left side and the right side in the middle of the terminal row fixing block (3) and the positions of the inner positions of the left side and the right side, the height of the terminal row fixing block (3) is two centimeters, and the terminal row fixing block (3) is welded with the wiring terminal row (7).

6. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: binding post row (7) sets up to four, four binding post row (7) rear end intermediate position department is provided with external screw thread electric property post, four binding post row (7) are through electric property line and transformer main part (6) electric connection, four binding post row (7) and terminal row fixed block (3) welding.

7. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: removable copper wire cover (8) set up to a plurality ofly, it is a plurality of removable copper wire cover (8) thickness sets up to one centimetre, and is a plurality of through-hole inserted column (83) in removable copper wire cover (8) about both sides inside position department be provided with the through-hole, it is a plurality of two wall position departments are provided with anti-oxidation paint layer structure in removable copper wire cover (8).

8. The apparatus of claim 1, wherein the distributed capacitance of the high frequency and high voltage transformer is reduced by: the transformer is characterized in that the number of the insulating porcelain bottles (1) is three, the insulating porcelain bottles (1) are electrically connected with the transformer main body (6) through electric wires, the height of the insulating porcelain bottles (1) is thirty centimeters, and the positions of the outer walls of the insulating porcelain bottles (1) are provided with anti-oxidation paint layer structures.