CN113108925B - Multi-state power distribution equipment monitoring device - Google Patents

Multi-state power distribution equipment monitoring device Download PDF

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Publication number
CN113108925B
CN113108925B CN202110318418.7A CN202110318418A CN113108925B CN 113108925 B CN113108925 B CN 113108925B CN 202110318418 A CN202110318418 A CN 202110318418A CN 113108925 B CN113108925 B CN 113108925B
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China
Prior art keywords
rotating
ring
annular
shell
motor
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CN202110318418.7A
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Chinese (zh)
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CN113108925A (en
Inventor
廖烽然
刘亚东
于少锋
袁希萍
王俊鹏
郭耀顺
原伟森
郎风翔
李佳璇
王国亮
王永清
张英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laizhou Power Supply Company State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Laizhou Power Supply Company State Grid Shandong Electric Power Co
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Laizhou Power Supply Company State Grid Shandong Electric Power Co, State Grid Corp of China SGCC, Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Laizhou Power Supply Company State Grid Shandong Electric Power Co
Priority to CN202110318418.7A priority Critical patent/CN113108925B/en
Publication of CN113108925A publication Critical patent/CN113108925A/en
Application granted granted Critical
Publication of CN113108925B publication Critical patent/CN113108925B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/14Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
    • G01K1/146Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention belongs to the technical field of power distribution equipment, in particular to a multi-state power distribution equipment monitoring device, which aims at solving the problem that when the temperature of the existing power distribution equipment is monitored, the monitor is difficult to monitor severe temperature change due to overhigh local temperature, so that the ventilation and heat dissipation cannot be effectively realized. The temperature measuring device is simple to operate and convenient to use, can measure the temperature of different positions of the power converter, can perform targeted ventilation and heat dissipation aiming at the high-temperature position, and is convenient for people to use.

Description

Multi-state power distribution equipment monitoring device
Technical Field
The invention relates to the technical field of distribution equipment, in particular to a multi-state distribution equipment monitoring device.
Background
Distribution equipment's safety plays important effect to the normal operating of an enterprise, and too high transformer temperature rise in the electricity distribution room can lead to the transformer to age with higher speed, can take place the oil spout accident even, and the leakage of cooling oil then can make the oil level reduce in the transformer oil chamber, influences the life of transformer, consequently monitors distribution equipment not only can ensure the normal operating of enterprise, can also ensure the interests of enterprise and people's life safety.
When the temperature of the existing power distribution equipment is monitored, the monitor is difficult to monitor severe temperature change due to overhigh local temperature, so that ventilation and heat dissipation cannot be effectively carried out, and therefore a multi-state power distribution equipment monitoring device is provided.
Disclosure of Invention
The invention aims to solve the problem that when the temperature of the existing power distribution equipment is monitored, the monitor is difficult to monitor severe temperature change due to overhigh local temperature, so that the ventilation and heat dissipation cannot be effectively realized, and provides a multi-state power distribution equipment monitoring device.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multistate distribution equipment monitoring devices, includes the casing, fixed mounting has the support that four symmetries set up on the bottom inner wall of casing, and the top fixed mounting of four supports has same board of placing, places the top fixed mounting of board and has the transformer, rotate on the inner wall of casing and be connected with the screw rod that four symmetries set up, the bottom fixed mounting of casing has first motor, the output shaft and the screw rod fixed connection who corresponds of first motor, the bottom fixed mounting of casing has the supporting leg that four symmetries set up, and threaded connection has same shift ring on four screw rods, and the bottom of shift ring rotates and is connected with the change, and fixed mounting has the positioning seat on the change ring, fixed mounting has the thermoscope on the positioning seat, all rotate on top inner wall and the bottom inner wall of casing and be connected with annular pipe, and a plurality of through-holes have all been seted up at the bottom and the top of casing, and the through-hole is linked together with the annular pipe that corresponds, the top fixed mounting of casing has the gas guide box, and fixed mounting has annular baffle on the inner wall of gas guide box, rotate on the annular baffle and be connected with the pivot that four symmetries set up, and the one end fixed mounting of pivot has the flabellum, the second motor, the output shaft is connected with the annular baffle between two fixed mounting of the outlet duct, and the outlet duct connection of outlet duct.
Preferably, sliding connection has the gear on the screw rod, and the outside of change is fixed with annular rack, four gears all with the intermeshing of annular rack, and the gear rotates with the shift ring to be connected, the pivoted screw rod can drive the change through the intermeshing of gear and annular rack and rotate.
Preferably, fixed cover is equipped with the belt pulley on the screw rod, and the transmission connection has same belt on four belt pulleys, and the output shaft of first motor can be connected through the transmission of four belt pulleys and belt and drive four screw rods and rotate simultaneously.
Preferably, a rotating rod is fixedly mounted on an output shaft of the second motor, a first bevel gear is fixedly mounted on the rotating rod, a second bevel gear is fixedly mounted on the rotating shaft, the first bevel gear is meshed with the four second bevel gears, and the rotating rod can drive the rotating shaft to rotate through the mutual meshing of the first bevel gear and the four second bevel gears.
Preferably, the rotating rod is rotatably connected with a positioning box, the positioning box is rotatably connected with the four rotating shafts, and the positioning box can be used for positioning the rotating shafts through the rotating connection with the rotating rod and the rotating shafts.
Preferably, the constant head tank has been seted up to one side of outlet duct, and the inboard fixed mounting of change has the locating piece, locating piece and constant head tank sliding connection, and a plurality of ventholes have been seted up to the opposite side of outlet duct, and the sliding connection of constant head tank and locating piece can fix a position the outlet duct.
Preferably, the bottom of the moving ring is provided with an annular sliding groove, a connecting ring is connected in the annular sliding groove in a sliding manner, the connecting ring is fixedly connected with the rotating ring, and the rotating state of the rotating ring can be stabilized through the sliding connection of the annular sliding groove and the connecting ring.
Preferably, the fixed slot has all been seted up on the both sides inner wall of annular spout, sliding connection has the slider on the inner wall of fixed slot, slider and go up ring fixed connection, and the sliding connection of fixed slot and slider can fix a position the change through the connecting ring.
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the first bevel gear is meshed with the four second bevel gears, so that the rotating rod can drive the four rotating shafts to rotate, and further the fan blades are driven to ventilate the air outlet pipe, and the heat of the power converter is dissipated;
(2) The four belt pulleys are in transmission connection with the belt, so that the output shaft of the first motor can drive the four screw rods to rotate simultaneously, and further the output shaft is in threaded connection with the movable ring to drive the temperature measurer to change the height;
(3) Because the four gears are meshed with the annular rack, the rotating screw can drive the rotating ring to rotate, and then the temperature measurer is driven to change the angle, so that the temperature of the power converter can be measured at different angles.
The temperature measurement device is simple to operate and convenient to use, can measure the temperature of different positions of the power converter, can perform targeted ventilation and heat dissipation aiming at the high-temperature position, and is convenient for people to use.
Drawings
Fig. 1 is a schematic structural diagram of a multi-state power distribution equipment monitoring device according to the present invention;
fig. 2 is a schematic structural view of a cross section of an outlet pipe of the multi-state power distribution equipment monitoring device provided by the invention;
fig. 3 is a schematic cross-sectional structure diagram of a swivel of a multi-state power distribution equipment monitoring device according to the present invention;
fig. 4 is a schematic structural diagram of a portion a of a multi-state power distribution equipment monitoring device according to the present invention;
fig. 5 is a schematic structural diagram of a part B of a multi-state power distribution equipment monitoring device according to the present invention.
In the figure: 1. a housing; 2. a support; 3. placing the plate; 4. a transformer; 5. a screw; 6. a first motor; 7. a moving ring; 8. rotating the ring; 9. a gear; 10. positioning seats; 11. a temperature detector; 12. a gas guiding box; 13. an annular baffle; 14. an isolation net; 15. a rotating shaft; 16. a fan blade; 17. a second motor; 18. a rotating rod; 19. a first bevel gear; 20. a second bevel gear; 21. a positioning box; 22. an annular conduit; 23. an air outlet pipe; 24. a through hole; 25. an air outlet; 26. and (5) supporting legs.
Detailed Description
The technical solutions in the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments.
Example one
Referring to fig. 1-5, a multi-state power distribution equipment monitoring device, including casing 1, fixed mounting has four supports 2 that the symmetry set up on the bottom inner wall of casing 1, the top fixed mounting of four supports 2 has same board 3 of placing, the top fixed mounting who places board 3 has transformer 4, rotate on the inner wall of casing 1 and be connected with the screw rod 5 that four symmetries set up, the bottom fixed mounting of casing 1 has first motor 6, the output shaft of first motor 6 and the screw rod 5 fixed connection that corresponds, the bottom fixed mounting of casing 1 has supporting leg 26 that four symmetries set up, threaded connection has same shift ring 7 on four screw rods 5, the bottom of shift ring 7 rotates and is connected with swivel 8, fixed mounting has positioning seat 10 on swivel ring 8, fixed mounting has gas guide box 12 on positioning seat 10, all rotate on the top inner wall of casing 1 and the bottom inner wall and be connected with annular pipe 22, the bottom and the top of casing 1 have all seted up a plurality of through-holes 24, through-hole 24 is linked together with the annular pipe 22 that corresponds, top fixed mounting has gas guide box 12 on the top of casing 1, fixed mounting has annular baffle 13, the one end of pivot 15 fixed mounting has two fixed mounting of pivot 15 that four output shafts 15 and be connected with the output pipe 15, the isolation pipe 17 that the output shaft 12 is connected with the second motor 14, be connected with the isolation pipe 17 that the output shaft 17 that is connected with the output shaft 15, the isolation pipe 17 that is connected with the second motor 14.
In this embodiment, the screw 5 is slidably connected with a gear 9, an annular rack is fixed on the outer side of the rotating ring 8, the four gears 9 are engaged with the annular rack, and the gear 9 is rotatably connected with the moving ring 7.
In this embodiment, the fixed cover is equipped with the belt pulley on the screw rod 5, and the same belt of transmission connection on four belt pulleys.
In this embodiment, a rotating rod 18 is fixedly mounted on an output shaft of the second motor 17, a first bevel gear 19 is fixedly mounted on the rotating rod 18, a second bevel gear 20 is fixedly mounted on the rotating shaft 15, and the first bevel gear 19 is engaged with the four second bevel gears 20.
In this embodiment, the rotating rod 18 is rotatably connected with a positioning box 21, and the positioning box 21 is rotatably connected with the four rotating shafts 15.
In this embodiment, the constant head tank has been seted up to one side of outlet duct 23, and the inboard fixed mounting of change 8 has the locating piece, locating piece and constant head tank sliding connection, and a plurality of ventholes 25 have been seted up to the opposite side of outlet duct 23.
In this embodiment, the bottom of the moving ring 7 is provided with an annular chute, a connecting ring is slidably connected in the annular chute, and the connecting ring is fixedly connected with the rotating ring 8.
In this embodiment, all seted up the fixed slot on the both sides inner wall of annular spout, sliding connection has the slider on the inner wall of fixed slot, slider and go-between fixed connection.
Example two
Referring to fig. 1-5, a multi-state power distribution equipment monitoring device, including a housing 1, four symmetrically arranged supports 2 are welded on the inner wall of the bottom of the housing 1, the same placing plate 3 is welded on the top of the four supports 2, a transformer 4 is fixed on the top of the placing plate 3 through bolts, four symmetrically arranged screws 5 are rotatably connected on the inner wall of the housing 1, a first motor 6 is fixed on the bottom of the housing 1 through bolts, an output shaft of the first motor 6 is fixedly connected with the corresponding screws 5, four symmetrically arranged supporting legs 26 are welded on the bottom of the housing 1, the same moving ring 7 is connected on the four screws 5 through threads, the bottom of the moving ring 7 is rotatably connected with a rotating ring 8, a positioning seat 10 is welded on the rotating ring 8, a temperature measurer 11 is fixed on the positioning seat 10 through bolts, annular guide tubes 22 are rotatably connected on the inner walls of the top and the bottom of the housing 1, a plurality of through holes 24 are formed in the bottom and the top of the housing 1, the through holes 24 are communicated with the corresponding annular guide tubes 22, a gas guide box 12 is welded on the top of the housing 1, an annular baffle 13 is rotatably connected with four rotating shaft 15, a rotating shaft 15 is welded on the inner wall of the rotating ring 15, a second rotating shaft 15, an outlet pipe 17 is welded on the top of the rotating ring 12, a second motor 12, an outlet pipe 15 is connected with a second rotating ring 12, and an outlet pipe 15 fixed on the rotating ring 14, and an outlet pipe 17, and an outlet pipe 15, and an outlet pipe 17, and an outlet pipe 15 are arranged on the motor 12.
In this embodiment, sliding connection has gear 9 on screw rod 5, and the outside of change 8 is fixed with annular rack, and four gears 9 all with the intermeshing of annular rack, and gear 9 rotates with shift ring 7 to be connected, and pivoted screw rod 5 can drive change 8 through the intermeshing of gear 9 and annular rack and rotate.
In this embodiment, fixed cover is equipped with the belt pulley on the screw rod 5, and transmission connection has same belt on four belt pulleys, and the output shaft of first motor 6 can be connected through the transmission of four belt pulleys and belt and drive four screw rods 5 and rotate simultaneously.
In this embodiment, a rotating rod 18 is welded on an output shaft of the second motor 17, a first bevel gear 19 is welded on the rotating rod 18, a second bevel gear 20 is welded on the rotating shaft 15, the first bevel gear 19 is meshed with the four second bevel gears 20, and the rotating rod 18 can drive the rotating shaft 15 to rotate through the mutual meshing of the first bevel gear 19 and the four second bevel gears 20.
In this embodiment, the rotating rod 18 is rotatably connected with a positioning box 21, the positioning box 21 is rotatably connected with four rotating shafts 15, and the positioning box 21 can be connected with the rotating rods 18 and the rotating shafts 15 in a rotating manner to position the rotating shafts 15.
In this embodiment, the constant head tank has been seted up to one side of outlet duct 23, and the inboard welding of change 8 has the locating piece, locating piece and constant head tank sliding connection, and a plurality of ventholes 25 have been seted up to the opposite side of outlet duct 23, and the sliding connection of constant head tank and locating piece can fix a position outlet duct 23.
In this embodiment, an annular chute is formed in the bottom of the moving ring 7, a connecting ring is slidably connected in the annular chute, the connecting ring is fixedly connected with the rotating ring 8, and the rotating state of the rotating ring 8 can be stabilized by the sliding connection between the annular chute and the connecting ring.
In this embodiment, all seted up the fixed slot on the both sides inner wall of annular spout, sliding connection has the slider on the inner wall of fixed slot, slider and go up ring fixed connection, and the sliding connection of fixed slot and slider can fix a position swivel 8 through the connecting ring.
In the embodiment, when the temperature measuring device works, the switch of the first motor 6 is started, the output shaft of the first motor 6 drives the four screws 5 to rotate simultaneously through the transmission connection of the four belt pulleys and the belt, the rotating screw 5 drives the moving ring 7 to move through the threaded connection with the moving ring 7, the moving ring 7 drives the temperature measuring device 11 on the rotating ring 8 to change the height, meanwhile, the rotating screw 5 rotates through the sliding connection of the moving gear 9 and the gear 9, the rotating gear 9 drives the rotating ring 8 to rotate through the mutual meshing with the annular rack, and further drives the temperature measuring device 11 to change the angle, and then can carry out temperature monitoring to transformer 4 different positions, when the high temperature appears, start the switch of second motor 17, the output shaft of second motor 17 drives bull stick 18 and rotates, bull stick 18 drives four pivots 15 through the intermeshing of first bevel gear 19 with four second bevel gear 20 and rotates, pivoted pivot 15 drives flabellum 16 and rotates, pivoted flabellum 16 ventilates outlet duct 23 through-hole 24, and blow the heat dissipation through venthole 25, and can fix a position through change 8 and blow, be convenient for blow the heat dissipation to the special position, be convenient for people use. All structures in this application can carry out the selection of material and length according to actual use condition, and the attached drawing is schematic structure chart, and specific actual dimensions can make appropriate adjustment.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention in the technical scope of the present invention.

Claims (1)

1. The monitoring device for the multi-state power distribution equipment comprises a shell (1) and is characterized in that four symmetrically arranged supports (2) are fixedly mounted on the inner wall of the bottom of the shell (1), the top of each support (2) is fixedly provided with a same placing plate (3), the top of each placing plate (3) is fixedly provided with a transformer (4), the inner wall of the shell (1) is rotatably connected with four symmetrically arranged screw rods (5), the bottom of the shell (1) is fixedly provided with a first motor (6), an output shaft of the first motor (6) is fixedly connected with the corresponding screw rods (5), the bottom of the shell (1) is fixedly provided with four symmetrically arranged support legs (26), the four screw rods (5) are in threaded connection with a same moving ring (7), the bottom of the moving ring (7) is rotatably connected with a rotating ring (8), a positioning seat (10) is fixedly mounted on the rotating ring (8), a temperature measurer (11) is fixedly mounted on the temperature measurer (10), the inner walls of the top and the inner wall and the bottom of the shell (1) are both rotatably connected with annular guide pipes (22), a plurality of through holes (24) are formed in the top of the shell (1), and a plurality of through holes (24) are formed in the positioning seats (24) are formed in communication with the fixed guide pipes (12) arranged on the top of the shell, the inner wall of the air guide box (12) is fixedly provided with an annular baffle (13), the annular baffle (13) is connected with four symmetrically-arranged rotating shafts (15) in a rotating manner, one end of each rotating shaft (15) is fixedly provided with a fan blade (16), the top of the air guide box (12) is fixedly provided with a second motor (17), an output shaft of the second motor (17) is in transmission connection with the four rotating shafts (15), the air guide box (12) is provided with four symmetrically-arranged isolation nets (14), an air outlet pipe (23) is fixedly arranged between the two annular guide pipes (22), the air outlet pipe (23) is fixedly connected with a rotating ring (8), a gear (9) is fixedly connected onto the screw rod (5) in a sliding manner, an annular rack is fixed onto the outer side of the rotating ring (8), the four gears (9) are all meshed with the annular rack in a rotating manner, the gear (9) is rotatably connected with the moving ring (7), a belt pulley is fixedly arranged on the screw rod (5), the four belt pulleys are connected in a rotating manner, the same belt is fixedly connected onto the output shaft of the second motor (17), a rotating rod (18) is fixedly provided with a first conical gear (19), a rotating shaft (15) is fixedly arranged on the rotating rod (18), and a second conical gear (20) is fixedly meshed with a second conical gear (20);
the rotating rod (18) is rotatably connected with a positioning box (21), and the positioning box (21) is rotatably connected with the four rotating shafts (15);
a positioning groove is formed in one side of the air outlet pipe (23), a positioning block is fixedly mounted on the inner side of the rotating ring (8), the positioning block is connected with the positioning groove in a sliding mode, and a plurality of air outlet holes (25) are formed in the other side of the air outlet pipe (23);
an annular sliding groove is formed in the bottom of the movable ring (7), a connecting ring is connected in the annular sliding groove in a sliding mode, and the connecting ring is fixedly connected with the rotating ring (8);
the inner walls of the two sides of the annular sliding groove are provided with fixing grooves, the inner wall of each fixing groove is connected with a sliding block in a sliding mode, and the sliding block is fixedly connected with the connecting ring.
CN202110318418.7A 2021-03-25 2021-03-25 Multi-state power distribution equipment monitoring device Active CN113108925B (en)

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CN202110318418.7A CN113108925B (en) 2021-03-25 2021-03-25 Multi-state power distribution equipment monitoring device

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CN113108925B true CN113108925B (en) 2022-11-11

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243507A (en) * 1997-02-26 1998-09-11 Matsushita Electric Ind Co Ltd High-voltage receiving and distributing device
CN105305716A (en) * 2015-11-23 2016-02-03 国网山东济南市历城区供电公司 Integrated temperature measuring device for main transformer accessory
CN107705960A (en) * 2017-11-20 2018-02-16 方敏 A kind of transformer with heat sinking function
CN107887128A (en) * 2017-12-10 2018-04-06 国网辽宁省电力有限公司锦州供电公司 Wind cooling method is aided in using induced-current as the power system transformer of criterion
CN108831676A (en) * 2018-06-19 2018-11-16 合肥硕森科技有限公司 A kind of packaged type cooling structure of for transformer
CN109087781A (en) * 2018-08-21 2018-12-25 李涵 A kind of high-tension transformer
CN110517851A (en) * 2019-09-24 2019-11-29 国网山东省电力公司莱州市供电公司 A kind of main transformer cooling device
CN110767425A (en) * 2019-11-26 2020-02-07 国网江苏省电力有限公司南通供电分公司 Automatic spraying cooling device for power transformer
CN111780023A (en) * 2020-07-15 2020-10-16 杨明清 Intelligent fire-fighting lighting equipment
CN112492800A (en) * 2020-11-29 2021-03-12 王纪华 Remote controller is equipped to intelligence

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10243507A (en) * 1997-02-26 1998-09-11 Matsushita Electric Ind Co Ltd High-voltage receiving and distributing device
CN105305716A (en) * 2015-11-23 2016-02-03 国网山东济南市历城区供电公司 Integrated temperature measuring device for main transformer accessory
CN107705960A (en) * 2017-11-20 2018-02-16 方敏 A kind of transformer with heat sinking function
CN107887128A (en) * 2017-12-10 2018-04-06 国网辽宁省电力有限公司锦州供电公司 Wind cooling method is aided in using induced-current as the power system transformer of criterion
CN108831676A (en) * 2018-06-19 2018-11-16 合肥硕森科技有限公司 A kind of packaged type cooling structure of for transformer
CN109087781A (en) * 2018-08-21 2018-12-25 李涵 A kind of high-tension transformer
CN110517851A (en) * 2019-09-24 2019-11-29 国网山东省电力公司莱州市供电公司 A kind of main transformer cooling device
CN110767425A (en) * 2019-11-26 2020-02-07 国网江苏省电力有限公司南通供电分公司 Automatic spraying cooling device for power transformer
CN111780023A (en) * 2020-07-15 2020-10-16 杨明清 Intelligent fire-fighting lighting equipment
CN112492800A (en) * 2020-11-29 2021-03-12 王纪华 Remote controller is equipped to intelligence

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Effective date of registration: 20210928

Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong

Applicant after: STATE GRID SHANDONG ELECTRIC POWER COMPANY YANTAI POWER SUPPLY Co.

Applicant after: LAIZHOU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER Co.

Applicant after: STATE GRID CORPORATION OF CHINA

Address before: No.462, Fuqian West Street, Laizhou City, Yantai City, Shandong Province

Applicant before: LAIZHOU POWER SUPPLY COMPANY, STATE GRID SHANDONG ELECTRIC POWER Co.

Applicant before: STATE GRID SHANDONG ELECTRIC POWER COMPANY YANTAI POWER SUPPLY Co.

TA01 Transfer of patent application right
CB03 Change of inventor or designer information

Inventor after: Liao Fengran

Inventor after: Wang Guoliang

Inventor after: Wang Yongqing

Inventor after: Zhang Ying

Inventor after: Liu Yadong

Inventor after: Yu Shaofeng

Inventor after: Yuan Xiping

Inventor after: Wang Junpeng

Inventor after: Guo Yaoshun

Inventor after: Yuan Weisen

Inventor after: Lang Fengxiang

Inventor after: Li Jiaxuan

Inventor before: Liao Fengran

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