CN110534318B - Three-phase dry-type transformer based on adjustable insulator outlet structure - Google Patents
Three-phase dry-type transformer based on adjustable insulator outlet structure Download PDFInfo
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- CN110534318B CN110534318B CN201910862126.2A CN201910862126A CN110534318B CN 110534318 B CN110534318 B CN 110534318B CN 201910862126 A CN201910862126 A CN 201910862126A CN 110534318 B CN110534318 B CN 110534318B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/12—Two-phase, three-phase or polyphase transformers
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Abstract
The invention relates to a three-phase dry-type transformer based on an adjustable insulator outgoing line structure, which comprises a transformer body, wherein a fixed frame is installed on the transformer body, an adjusting mechanism is arranged at the upper end of the fixed frame, movable pay-off mechanisms are symmetrically arranged at the left end and the right end of the adjusting mechanism, and insulators are arranged in the middle of the front end of the fixed frame and the front end of each movable pay-off mechanism. The invention can solve the following problems in the process of temporarily testing the circuit of the conventional three-phase dry-type transformer, namely a, the mounting position of an insulator needs to be adjusted when the power lines with different structures and different standards are connected with the transformer, the mounting position needs to be determined after the insulator is dismounted by using the conventional transformer, and the mounting position is easy to loosen due to frequent dismounting of the insulator. b. When the installation position of the insulator changes, the temperature between the wires which are wound by the heating wires is increased during testing, so that fire is easily caused, and the use flexibility of the transformer is influenced.
Description
Technical Field
The invention relates to the technical field of transformer equipment, in particular to a three-phase dry-type transformer based on an adjustable insulator outgoing line structure.
Background
Three-phase dry-type transformers are the main components of various power supplies and electrical equipment. The transformer plays an important role in power transmission, when a power line is built, a temporary three-phase dry-type transformer needs to be used for checking the building quality of a test circuit line, and when the test is carried out, the mounting position of an insulator on the transformer needs to be adjusted according to the distance specification between the built lines.
However, the following problems of the conventional three-phase dry-type transformer in the process of temporarily testing the circuit include that a, when power lines with different structures and different standards are connected with the transformer, the installation position of the insulator needs to be adjusted, the installation position needs to be determined after the insulator is detached by using the conventional transformer, the distance between the insulators is adjusted to adapt to the standard of the power lines, the insulator is frequently detached and installed, so that the installation position is easy to loosen, the insulator needs to be installed and detached according to strict safety standards, and the operation is complex. b. When the installation position of the insulator changes, the arrangement of wires between the insulator and the transformer needs to be manually adjusted, the connected wires are too long to be wound, and during testing, the temperature increase between the wires which are wound by the heating wires of the wires easily causes fire disasters, so that the use flexibility of the transformer is influenced.
For the technical problems existing in the using process of the transformer, persons in the related art have made adaptive improvements after research and study, for example, the chinese patent invention with patent number 201811066977.8, a low-loss energy-saving power transformer, can reduce the energy consumption of the transformer in use, however, there is a need to solve the above-mentioned problems existing in the temporary circuit testing process of the existing three-phase dry-type transformer.
Disclosure of Invention
In order to solve the problems, the invention provides a three-phase dry-type transformer based on an adjustable insulator outgoing line structure, which can solve the problems of the conventional three-phase dry-type transformer in the using process of a temporary test circuit.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a three-phase dry-type transformer based on adjustable insulator outlet structure, includes the transformer body, installs fixed frame on the transformer body, and both sides symmetry is provided with the sliding tray about fixed frame's the upper end, and the fixed frame upper end is provided with adjustment mechanism, and both ends symmetry is provided with removal paying out machine about adjustment mechanism, and removal paying out machine constructs to be located the sliding tray, and fixed frame's front end middle part all is provided with the insulator with the front end of removing paying out machine structure, is connected with the wire between insulator and the transformer body.
The adjusting mechanism comprises a vertical frame arranged on a fixed frame, a rotating block is arranged on the vertical frame through a bearing, baffle plates are symmetrically arranged on the fixed frame positioned at the left end and the right end of the sliding groove, a threaded rod is arranged between the baffle plates through a bearing, one end of the threaded rod is fixed on the rotating block, and an adjusting block is arranged on the threaded rod in a threaded transmission mode; the adjusting mechanism controls the adjusting blocks to move in a mode of rotating through the threaded rods in the operation process, and the control insulators on the two sides synchronously perform opposite adjusting movement in the left-right direction on the fixed frame, so that the flexibility of connection of the transformer and an electric wire in different working occasions is met.
The movable pay-off mechanism comprises a movable frame arranged on an adjusting block, a winding motor is arranged on the inner wall of the movable frame through a motor base, an output shaft of the winding motor is connected with one end of a winding roller through a coupler, the other end of the winding roller is arranged on a fixed plate through a bearing, the fixed plate is arranged on the movable frame, a round hole is formed in the fixed plate, a guide roller is arranged on the front side of the lower end of the movable frame through the bearing, a tensioning branched chain is arranged at the front end of the movable frame, an auxiliary branched chain is arranged on the rear side of the inner wall of the movable frame, a threading plate is fixed on the upper side of the front end of; the movable paying-off mechanism can control the tension of the wire between the connecting transformer body and the insulator in the operation process, the tightness degree of the wire can be automatically controlled in the process of changing the installation position of the insulator, the wire can be automatically tightened and loosened according to the change of the position of the insulator, the connected wire does not need to be manually replaced, and the effect of the transformer in temporary testing is improved.
The auxiliary branch chain comprises an auxiliary sleeve pipe arranged on the inner wall of the movable frame, a linkage support is arranged at the rear end of the auxiliary sleeve pipe, the upper end of the linkage support is arranged on the inner wall of the upper end of the movable frame in a sliding mode, the linkage support is connected with the inner wall of the rear end of the movable frame through a reset spring rod, a U-shaped frame is arranged on the inner wall of the front side of the linkage support, an auxiliary roller is arranged between the inner walls of the U-shaped frame through a bearing, and a lead hole is formed in the linkage support.
The tensioning branched chain comprises a tensioning frame fixed on the movable frame, a rotating frame is arranged on the tensioning frame through a pin shaft, a tensioning spring is arranged between the rotating frame and the tensioning frame, a telescopic spring rod is installed on the rotating frame, a mounting frame is installed on the telescopic spring rod, the mounting frame is connected with the inner wall of the rotating frame in a sliding mode, and a tensioning roller is arranged between the inner wall of the mounting frame through a bearing.
The auxiliary sleeve is composed of two round pipes and a retractable hose, and the auxiliary sleeve is sleeved on the winding roller.
The upper end rear side of moving frame is provided with the locating hole, evenly be provided with the interlude hole that the cooperation locating hole used from a left side to the right side on the fixed frame of both sides around the regulating block, the upper end of linkage support evenly is provided with the locking hole that the cooperation interlude hole used from the past backward.
And a removable positioning pin is inserted among the positioning hole, the insertion hole and the locking hole.
The winding roller is provided with a winding groove with a spiral structure, and the fixing plate is provided with a wire passing hole matched with the winding groove.
The lead wire that draws forth on the transformer body wears to wind in proper order and connects on the insulator behind guide roller, round hole, wire winding roller, lead wire hole, auxiliary roller, tensioning roller and through wires hole.
The invention has the beneficial effects that: the temporary transformer is used for testing the circuit in the test before use aiming at the power lines with different structures and different standards
1. The invention can solve the following problems in the process of temporarily testing the circuit of the existing three-phase dry-type transformer, a, aiming at the problems that the installation position of the insulator needs to be adjusted when the power lines with different structures and different standards are connected with the transformer, the traditional transformer needs to determine the installation position after the insulator is disassembled, the distance between the insulators is adjusted to adapt to the standard of the power lines, the insulator is disassembled and installed frequently, the installation position is easy to be loosened, and the insulator is assembled and disassembled according to strict safety standards, so that the operation is complex. b. When the installation position of the insulator changes, the arrangement of wires between the insulator and the transformer needs to be manually adjusted, the connected wires are too long to be wound, a fire disaster is easily caused by the temperature increase between the wires which are wound by the heating wires during testing, the use flexibility of the transformer is influenced, and the function of conveniently and flexibly testing the power circuit by the three-phase dry-type transformer can be realized.
2. The adjusting mechanism designed by the invention synchronously performs opposite adjusting movement in the left-right direction on the fixed frame by controlling the adjusting block to move in a mode of rotating the threaded rod in the operation process, so that the flexibility of the transformer in connection test of power lines with different standards in different working occasions is met.
3. The movable pay-off mechanism designed in the invention can control the tension of the wire between the connecting transformer body and the insulator in the operation process, can automatically control the tightness degree of the wire in the process of changing the installation position of the insulator, can automatically tighten and loosen the wire according to the change of the position of the insulator, and the auxiliary branched chain limits the wire wound on the winding roller in the winding and unwinding process of the wire, so that the wire is ensured to be orderly and orderly wound on the winding roller in the winding and unwinding process without manually replacing the connected wire, and the use effect of the transformer in temporary test is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention between the fixed frame, the mobile pay-off mechanism, the insulator and the positioning pin;
FIG. 3 is a cross-sectional view of FIG. 2 of the present invention;
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 3, a three-phase dry-type transformer based on an adjustable insulator outgoing line structure comprises a transformer body 1, wherein a fixed frame 2 is installed on the transformer body 1, sliding grooves are symmetrically formed in the left side and the right side of the upper end of the fixed frame 2, an adjusting mechanism 3 is arranged at the upper end of the fixed frame 2, movable paying-off mechanisms 4 are symmetrically arranged at the left end and the right end of the adjusting mechanism 3, the movable paying-off mechanisms 4 are located in the sliding grooves, insulators 5 are arranged in the middle of the front end of the fixed frame 2 and at the front ends of the movable paying-off mechanisms 4, and a lead is connected between each insulator 5;
the adjusting mechanism 3 comprises a vertical frame 31 installed on the fixed frame 2, a rotating block 32 is arranged on the vertical frame 31 through a bearing, baffle plates 33 are symmetrically arranged on the fixed frame 2 at the left end and the right end of the sliding groove, a threaded rod 34 is arranged between the baffle plates 33 through a bearing, one end of the threaded rod 34 is fixed on the rotating block 32, and an adjusting block 35 is arranged on the threaded rod 34 in a threaded transmission mode.
The adjusting mechanism 3 synchronously adjusts the control insulators 6 on the two sides in the left-right direction on the fixed frame 2 in a mode of rotating the adjusting block 35 through the threaded rod 34 in operation, so that the flexibility of the transformer in connection test of power lines with different standards in different working occasions is met.
Remove paying out machine and construct 4 including installing the moving frame 41 on regulating block 35, install wire winding motor 42 through the motor cabinet on moving frame 41's the inner wall, it links to each other with the one end of wire winding roller 43 through the shaft coupling on wire winding motor 42's the output shaft, the other end of wire winding roller 43 passes through the bearing and installs on fixed plate 44, fixed plate 44 is installed on moving frame 41, the round hole has been seted up on fixed plate 44, the lower extreme front side of moving frame 41 is provided with guide roll 45 through the bearing, the front end of moving frame 41 is provided with tensioning branch chain 46, the rear side of moving frame 41 inner wall is provided with supplementary branch chain 47, the front end upper side of moving frame 41 is fixed with threading board 48, be provided with the through wires hole. The lead wires led out from the transformer body 1 sequentially pass through the guide roller 45, the round hole, the winding roller 43, the lead wire hole, the auxiliary roller 476, the tension roller 466 and the threading hole and then are connected to the insulator 6.
The winding roller 43 is provided with a winding groove with a spiral structure, and the fixing plate 44 is provided with a wire passing hole matched with the winding groove.
When the position of the insulator 6 is changed, the winding motor 42 controls the winding roller 43 to synchronously rotate, the insulator 6 drives the wire to apply dragging force in the motion, the wire is tightly wound on the auxiliary roller 476 after being stressed, the auxiliary branched chain 47 is controlled to move back and forth through the tension generated in the motion of the insulator, the winding roller 43 controls the wire to be wound and unwound while rotating, the auxiliary branched chain 47 limits the wire wound on the winding roller 43 in the motion, and the wire is ensured to be orderly and orderly wound on the winding roller in the winding and unwinding process.
The auxiliary branched chain 47 includes an auxiliary sleeve 471 mounted on the inner wall of the moving frame 41, a linkage support 472 is disposed at the rear end of the auxiliary sleeve 471, the upper end of the linkage support 472 is slidably disposed on the inner wall of the upper end of the moving frame 41, the linkage support 472 is connected with the inner wall of the rear end of the moving frame 41 through a return spring rod 473, a U-shaped frame 475 is disposed on the inner wall of the front side of the linkage support 472, an auxiliary roller 476 is disposed between the inner walls of the U-shaped frame 475 through a bearing, and a lead hole is disposed on the linkage support 472. The auxiliary sleeve 471 is composed of two round pipes and a retractable hose, and the auxiliary sleeve 471 is sleeved on the winding roller 43.
The wire receives the dynamics of dragging and winds tightly on auxiliary roller 476, and the pulling force that continues to drag the wire production is greater than the elasticity of reset spring pole 473, and then control linkage support 472 and slide around, and linkage support 472 is at gliding in-process control auxiliary sleeve 471 and is contracted to make auxiliary sleeve 471 can carry on spacingly to the wire that receive and releases on winding roller 43, make the wire twine the inside in wire winding groove all the time in receiving and releasing the operation, avoid the wire loose winding together in adjusting.
The tensioning branched chain 46 comprises a tensioning frame 461 fixed on the moving frame 41, a rotating frame 462 is arranged on the tensioning frame 461 through a pin shaft, a tensioning spring 463 is arranged between the rotating frame 462 and the tensioning frame 461, a telescopic spring rod 464 is installed on the rotating frame 462, an installation frame 465 is installed on the telescopic spring rod 464, the installation frame 465 is connected with the inner wall of the rotating frame 462 in a sliding mode, and a tensioning roller 466 is arranged between the inner walls of the installation frame 465 through a bearing.
The tensioning spring 463 and the telescopic spring rod 464 are matched with each other in the process of connecting the conductor, the angle of the rotating frame 462 is controlled, meanwhile, the tensioning roller 466 is controlled to be finely adjusted through the telescopic spring rod 464, and then the conductor connecting the insulator 6 and the transformer body 1 can be tensioned, so that the conductor is always kept in a constant state after the position of the insulator is changed.
The rear side of the upper end of the movable frame 41 is provided with a positioning hole, the left side and the right side of the fixed frames 2 on the front side and the rear side of the adjusting block 35 are uniformly provided with a through hole used for matching with the positioning hole, and the front side and the rear side of the upper end of the linkage support 472 are uniformly provided with a locking hole used for matching with the through hole.
And a removable positioning pin 6 is inserted among the positioning hole, the insertion hole and the locking hole.
When the position of the insulator needs to be changed, the positioning pin 6 is pulled out, the rotating block 32 is controlled to rotate through a tool, and when the insulator 5 moves to the designated position, the positioning pin 7 is inserted into the positioning pin again to lock the movable frame 41, and meanwhile, the lower end of the positioning pin 6 is inserted into the locking hole to fix the position of the linkage support 472.
When in use, the utility model is used for cleaning the inner wall of the tank,
after the transformer body 1 is fixed at a designated working position, the adjusting mechanism 3 synchronously adjusts the control insulators 6 at two sides on the fixed frame 2 in the left-right direction in a mode of rotating the control adjusting block 35 through the threaded rod 34 in operation, when the position of the insulator 6 changes, the winding motor 42 controls the winding roller 43 to synchronously rotate, the insulator 6 drives the wire to apply dragging force in motion, the wire is tightly wound on the auxiliary roller 476 after being stressed, the auxiliary branched chain 47 is controlled to move back and forth through the pulling force generated in the motion of the insulator, the winding roller 43 controls the wire to be wound and unwound while rotating, the auxiliary branched chain 47 limits the wire wound on the winding roller 43 in motion, the wire is ensured to be orderly and neatly wound on the winding roller in the winding and unwinding process, and after the position of the insulator 6 is adjusted, the lower end of the positioning pin 6 is inserted into the locking hole to fix the position of the interlocking bracket 472 while the positioning pin 7 is reinserted into the positioning pin to lock the moving frame 41.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a three-phase dry-type transformer based on adjustable insulator outlet structure, includes transformer body (1), its characterized in that: a fixed frame (2) is mounted on a transformer body (1), sliding grooves are symmetrically formed in the left side and the right side of the upper end of the fixed frame (2), an adjusting mechanism (3) is arranged at the upper end of the fixed frame (2), movable pay-off mechanisms (4) are symmetrically arranged at the left side and the right side of the adjusting mechanism (3), the movable pay-off mechanisms (4) are located in the sliding grooves, insulators (5) are arranged in the middle of the front end of the fixed frame (2) and the front ends of the movable pay-off mechanisms (4), and a lead is connected between each insulator (5) and the transformer body (1);
the adjusting mechanism (3) comprises a vertical frame (31) arranged on a fixed frame (2), a rotating block (32) is arranged on the vertical frame (31) through a bearing, baffle plates (33) are symmetrically arranged on the fixed frame (2) positioned at the left end and the right end of the sliding groove, a threaded rod (34) is arranged between the baffle plates (33) through a bearing, one end of the threaded rod (34) is fixed on the rotating block (32), and an adjusting block (35) is arranged on the threaded rod (34) in a threaded transmission mode;
the movable pay-off mechanism (4) comprises a movable frame (41) arranged on an adjusting block (35), a winding motor (42) is arranged on the inner wall of the movable frame (41) through a motor base, an output shaft of the winding motor (42) is connected with one end of a winding roller (43) through a coupler, the other end of the winding roller (43) is arranged on a fixed plate (44) through a bearing, the fixed plate (44) is arranged on the movable frame (41), a round hole is formed in the fixed plate (44), a guide roller (45) is arranged on the front side of the lower end of the movable frame (41) through the bearing, a tensioning branched chain (46) is arranged at the front end of the movable frame (41), an auxiliary branched chain (47) is arranged on the rear side of the inner wall of the movable frame (41), a threading plate (48) is fixed on the upper side of the front end of the movable frame (41);
the auxiliary branched chain (47) comprises an auxiliary sleeve (471) installed on the inner wall of the movable frame (41), a linkage support (472) is arranged at the rear end of the auxiliary sleeve (471), the upper end of the linkage support (472) is arranged on the inner wall of the upper end of the movable frame (41) in a sliding mode, the linkage support (472) is connected with the inner wall of the rear end of the movable frame (41) through a reset spring rod (473), a U-shaped frame (475) is arranged on the inner wall of the front side of the linkage support (472), an auxiliary roller (476) is arranged between the inner walls of the U-shaped frame (475) through a bearing, and a lead hole is formed in the linkage support (472).
2. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 1, wherein: tensioning branched chain (46) are including fixing tensioning frame (461) on moving frame (41), be provided with rotating turret (462) through the round pin axle on tensioning frame (461), be provided with between rotating turret (462) and tensioning frame (461) tensioning spring (463), install telescopic spring pole (464) on rotating turret (462), install mounting bracket (465) on telescopic spring pole (464), sliding connection between the inner wall of mounting bracket (465) and rotating turret (462), and be provided with tensioning roller (466) through the bearing between the inner wall of mounting bracket (465).
3. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 1, wherein: the auxiliary sleeve (471) is composed of two round pipes and a retractable hose, and the auxiliary sleeve (471) is sleeved on the winding roller (43).
4. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 1, wherein: the upper end rear side of moving frame (41) is provided with the locating hole, turn right from a left side on fixed frame (2) of both sides around regulating block (35) and evenly be provided with the interlude hole that the cooperation locating hole used, the upper end of linkage support (472) evenly is provided with the locking hole that the cooperation interlude hole used from the past backward.
5. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 4, wherein: and a removable positioning pin (6) is inserted among the positioning hole, the insertion hole and the locking hole.
6. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 1, wherein: the winding roller (43) is provided with a winding groove with a spiral structure, and the fixing plate (44) is provided with a wire passing hole matched with the winding groove.
7. The three-phase dry-type transformer based on the adjustable insulator outlet structure as claimed in claim 2, wherein: the lead led out from the transformer body (1) sequentially passes through the guide roller (45), the round hole, the winding roller (43), the lead hole, the auxiliary roller (476), the tension roller (466) and the threading hole and then is connected to the insulator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862126.2A CN110534318B (en) | 2019-09-12 | 2019-09-12 | Three-phase dry-type transformer based on adjustable insulator outlet structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862126.2A CN110534318B (en) | 2019-09-12 | 2019-09-12 | Three-phase dry-type transformer based on adjustable insulator outlet structure |
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| CN110534318A CN110534318A (en) | 2019-12-03 |
| CN110534318B true CN110534318B (en) | 2020-06-30 |
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| CN201910862126.2A Active CN110534318B (en) | 2019-09-12 | 2019-09-12 | Three-phase dry-type transformer based on adjustable insulator outlet structure |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707439B (en) * | 2021-10-28 | 2021-12-28 | 南通弘宸电气设备制造有限公司 | Three-phase transformer for electric power engineering |
| CN116168937B (en) * | 2023-04-23 | 2023-09-22 | 昆明潘童科技有限公司 | Intelligent three-phase power transformer capable of being remotely controlled |
| CN117116629B (en) * | 2023-10-10 | 2024-02-20 | 江苏恒康电力科技有限公司 | Transformer for temporary wiring and rapid wiring method |
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| CN203377072U (en) * | 2013-07-15 | 2014-01-01 | 成都亿科康德电气有限公司 | Device for locating low-voltage coil outgoing copper bar of transmission |
| CN208570302U (en) * | 2018-07-25 | 2019-03-01 | 广东汇茂电气股份有限公司 | A kind of dry-type transformer carrying out retractable cable |
| CN209015876U (en) * | 2018-11-15 | 2019-06-21 | 赣州市鑫源康电子有限公司 | A kind of high frequency transformer pin apparatus for correcting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9881725B2 (en) * | 2014-11-21 | 2018-01-30 | Cisco Technology, Inc. | Ethernet magnetics package wire terminations |
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2019
- 2019-09-12 CN CN201910862126.2A patent/CN110534318B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203377072U (en) * | 2013-07-15 | 2014-01-01 | 成都亿科康德电气有限公司 | Device for locating low-voltage coil outgoing copper bar of transmission |
| CN208570302U (en) * | 2018-07-25 | 2019-03-01 | 广东汇茂电气股份有限公司 | A kind of dry-type transformer carrying out retractable cable |
| CN209015876U (en) * | 2018-11-15 | 2019-06-21 | 赣州市鑫源康电子有限公司 | A kind of high frequency transformer pin apparatus for correcting |
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Inventor after: Lin Baiyang Inventor after: Wen Min Inventor after: Chen Weiwei Inventor after: Zhou Jie Inventor after: Wang Ying Inventor after: Wei Hongsheng Inventor after: Liu Minjie Inventor after: Fang Kunmian Inventor before: Liu Minjie Inventor before: Fang Kunmian |
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Effective date of registration: 20200605 Address after: Yueqing Economic Development Zone, Zhejiang province 325600 weft seventeen road in Wenzhou City Applicant after: Hong Fu Jin Precision Industry (ShenZhen) Co.,Ltd. Address before: 310051 Zhejiang University of technology, No.18 xiashaxuezheng street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Liu Minjie |
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