CN112712967A - Transformer grid cleaning structure with wind guide - Google Patents
Transformer grid cleaning structure with wind guide Download PDFInfo
- Publication number
- CN112712967A CN112712967A CN202011501804.1A CN202011501804A CN112712967A CN 112712967 A CN112712967 A CN 112712967A CN 202011501804 A CN202011501804 A CN 202011501804A CN 112712967 A CN112712967 A CN 112712967A
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- Prior art keywords
- mounting plate
- sliding
- transformer
- rack
- cleaning brush
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- 238000004140 cleaning Methods 0.000 title claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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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
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a transformer grid cleaning structure with wind guide, relates to the technical field of transformer cleaning, and solves the problems that the conventional transformer grid cleaning process is frequently carried out through manual regular maintenance and has certain danger, and the distance and the length between grids are different due to different types of transformers. A transformer grid cleaning structure with wind guidance, comprising a mounting plate; the left side of the mounting plate is rotatably provided with a half screw rod through hinge connection; the right side of the mounting plate is rotatably provided with a driving wheel through hinge connection; a first rack is arranged on the front side of the mounting plate in a sliding manner; a connecting rod is arranged in the groove hole of the sliding block in a sliding manner; a cleaning brush is arranged on the outer side of the connecting rod in a sliding manner; the installation plate and the half screw rod are arranged, so that the device can be conveniently and rapidly installed and detached; through being provided with connecting rod and cleaning brush, can be applicable to the transformer of different models, have high practicality.
Description
Technical Field
The invention relates to the technical field of transformer cleaning, in particular to a transformer grid cleaning structure with wind guide.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, wherein the transformer is in a working state every day, the transformer can give off heat in the working process, a radiating grid plate for radiating heat can be arranged on the outer side surface of the traditional transformer, an electromagnetic field can be generated at the periphery of the transformer, the electromagnetic field can adsorb dust at the periphery of the transformer on the radiating grid plate, after the transformer is used for a long time, a large amount of dust can be adsorbed on the radiating grid plate, the radiating effect of the radiating grid plate can be blocked by a large amount of attached dust, and then the heat generated by the transformer can not be given off, and the service life of the transformer is easily influenced.
By searching for example, patent No. CN111389803B discloses a transformer cleaning device with a cleaning function, which comprises a box body, wherein a receiving cavity is arranged in the box body, a reversing plate is rotationally connected to the rear end wall of the receiving cavity, a cover opening motor is fixedly arranged on the right end wall of the receiving cavity, a first connecting shaft is controlled on the left end surface of the cover opening motor, and a box cover bracket is fixedly arranged on the left end surface of the first connecting shaft. The safety of the transformer to the life and property of people is reduced.
For another example, patent No. CN111029085B discloses a transformer warning device with a cleaning function; comprises a main body box, a transformer cavity which is communicated from front to back is arranged in the main body box, a motor which is fixedly connected with the main body box is arranged on the upper side of the transformer cavity, lifting cavities are symmetrically communicated on the left side and the right side of the transformer cavity, lifting blocks are connected in the lifting cavities in a sliding fit manner, a plurality of cleaning rods which are positioned between transformer radiating fins are symmetrically and fixedly connected from front to back on the inner end surface of each lifting block, rainwater is stored through the rainwater storage cavity without additional water, resources are saved, people approaching the transformer are detected through circumferential rotation of the infrared sensor, the rotation is stopped when the people are detected to enter the transformer by mistake, the stored rainwater is sprayed out to play a warning role, thereby prevent that children from missing to cause the incident, when transformer radiating efficiency step-down simultaneously, start first, second electro-magnet and can make the washing shower nozzle water spray, cooperate the brush up-and-down motion to accomplish fin self-cleaning, the cost of using manpower sparingly.
However, in the existing transformer grid cleaning process, regular maintenance is mostly performed through manpower, certain dangerousness is achieved, the transformer cannot be cleaned in time, the heat dissipation effect and the service life of the transformer can be affected, and meanwhile, due to the fact that the types of the transformers are different, the distances and the lengths between grids are different, and therefore a cleaning device applicable to the transformers of different types is needed, the existing requirements are not met, and a transformer grid cleaning structure with wind guiding is provided.
Disclosure of Invention
Problem (A)
The invention aims to provide a transformer grid cleaning structure with wind guide, which aims to solve the problems that the conventional transformer grid cleaning process proposed in the background art is frequently regularly maintained by manpower, has certain dangerousness, can affect the heat dissipation effect and the service life of a transformer due to the fact that the transformer cannot be cleaned in time, and needs a cleaning device suitable for transformers of different models due to different models and different distances and lengths between grids.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a transformer grid cleaning structure with wind guidance, comprising a mounting plate; a chute is formed in the front side of the mounting plate, and a trapezoidal chute is formed in the inner side of the right side of the mounting plate; the mounting plate also comprises a sliding block; a sliding block is arranged on the front side of the mounting plate in a sliding manner, a slotted hole is formed in the top of the sliding block, and a clamping groove is formed in one side of the slotted hole; the left side of the mounting plate is rotatably provided with a half screw rod through hinge connection, and the front side and the rear side of the half screw rod are both of a plane structure; the right side of the mounting plate is rotatably provided with a driving wheel through hinge connection, and one side of the driving wheel is provided with two groups of slotted holes in a linear array; a first rack is arranged on the front side of the mounting plate in a sliding manner; the connecting rods are arranged in the slotted holes of the sliding blocks in a sliding mode, and the rightmost group of connecting rods are fixedly connected with the first rack; the outside of connecting rod slides and is provided with the cleaning brush, and the bleeder vent has all been seted up to the both sides of cleaning brush.
Furthermore, the mounting plate also comprises a sliding frame; a sliding frame is arranged at the bottom of the mounting plate in a sliding manner, and a slotted hole is formed in the left side of the sliding frame; the front side of carriage slides and is provided with the slider, and the right side integral type of carriage is provided with trapezoidal slider.
Furthermore, the half screw rod also comprises a screw sleeve and a slot; a threaded sleeve is fixedly arranged at the top of the left side of the sliding frame; the grooving has all been seted up to the inner wall both sides of swivel nut, and grooved inner wall is smooth planar structure.
Furthermore, the driving wheel also comprises fan blades and a connecting roller; the right side of the driving wheel is coaxially provided with a fan blade; a connecting roller is fixedly arranged in the slotted hole of the driving wheel.
Furthermore, the first rack also comprises a slide bar and a half gear; the upper end and the lower end of the first rack are respectively welded with a sliding rod; the front side of the mounting plate is rotatably provided with a half gear through hinge connection, and the half gear is meshed with the first rack; one side of the half gear is provided with a slotted hole which is attached to the outer side of the connecting roller.
Furthermore, the connecting rod also comprises a second rack and a clamping block; the rear side of the connecting rod is provided with a groove; a second rack is fixedly arranged in the groove of the connecting rod; the front side of the connecting rod is integrally provided with a clamping block.
Furthermore, the cleaning brush also comprises a transmission gear and a spiral fan; the interior of the cleaning brush is of a hollow structure; the inner side of the cleaning brush is rotatably provided with a transmission gear through a hinge, and the transmission gear is meshed with the second rack; the inside of cleaning brush is connected the rotation through the hinge and is provided with the helical fan, and the helical fan passes through drive belt transmission with drive gear and is connected.
(III) advantageous effects
The invention provides a transformer grid cleaning structure with wind guide, which can drive fan blades to rotate and synchronously drive a driving wheel to rotate by wind power through arranging a driving wheel, a first rack, a connecting rod and a cleaning brush, the connecting roller arranged at one side of the driving wheel drives the half gear to rotate and drives the first rack to slide in a reciprocating manner, the cleaning brush is driven by the first rack to clean the inner side of the transformer grating, the position of the cleaning brush can be conveniently adjusted according to the positions of different types of transformer gratings, so that the cleaning brush is suitable for different types of transformers and has high practicability, in the process of cleaning the inner side of the transformer grating by sliding the cleaning brush along the connecting rod, the air in the inner side of the transformer grating can be synchronously moved by the rotating clamping blocks of the spiral fan, so that the heat dissipation effect of the transformer is further improved, and the service life of the transformer is prolonged.
Through being provided with mounting panel and half screw rod, can be convenient for carry out quick installation and dismantlement to this device, after fixing a position the mounting panel, can be directly through sliding the carriage along half screw rod, can quick adjustment to suitable position after, can directly rotate half screw rod, make the screw thread in the half screw rod outside and the inboard screw-thread fit of swivel nut, accomplish the installation and fixed to this device, the time of this device installation of reduction that can be very big improves work efficiency.
Drawings
FIG. 1 is a schematic rear perspective view of an embodiment of the present invention;
FIG. 2 is a schematic front perspective view of an embodiment of the present invention;
FIG. 3 is a schematic top view of an embodiment of the present invention;
FIG. 4 is a schematic bottom view of an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of the driving wheel and the first rack in the embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a cleaning brush according to an embodiment of the present invention;
FIG. 7 is a schematic illustration of a half-bolt disassembled structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of a connecting rod according to an embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. mounting a plate; 101. a carriage; 102. a slider; 2. a half screw; 201. a threaded sleeve; 202. grooving; 3. a driving wheel; 301. a fan blade; 302. a connecting roller; 4. a first rack; 401. a slide bar; 402. a half gear; 5. a connecting rod; 501. a second rack; 502. a clamping block; 6. cleaning a brush; 601. a transmission gear; 602. a spiral fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a transformer grid cleaning structure with wind guidance comprises a mounting plate 1; a chute is arranged on the front side of the mounting plate 1, and a trapezoidal chute is arranged on the inner side of the right side of the mounting plate 1; the mounting plate 1 further comprises a slide block 102; a sliding block 102 is slidably arranged on the front side of the mounting plate 1, a slotted hole is formed in the top of the sliding block 102, and a clamping groove is formed in one side of the slotted hole; the left side of the mounting plate 1 is rotatably provided with a half screw 2 through hinge connection, and the front side and the rear side of the half screw 2 are both of a plane structure; wherein, the half-screw 2 also comprises a screw sleeve 201 and a slot 202; a threaded sleeve 201 is fixedly arranged at the top of the left side of the sliding frame 101; two sides of the inner wall of the screw sleeve 201 are both provided with a slot 202, and the inner wall of the slot 202 is of a smooth plane structure; the right side of the mounting plate 1 is rotatably provided with a driving wheel 3 through hinge connection, and one side of the driving wheel 3 is provided with two groups of slotted holes in a linear array; wherein, the driving wheel 3 also comprises fan blades 301 and a connecting roller 302; the right side of the driving wheel 3 is coaxially provided with a fan blade 301; a connecting roller 302 is fixedly arranged in the slotted hole of the driving wheel 3; a first rack 4 is arranged on the front side of the mounting plate 1 in a sliding manner; wherein, the first rack 4 further comprises a sliding rod 401 and a half gear 402; the upper end and the lower end of the first rack 4 are respectively welded with a sliding rod 401; the front side of the mounting plate 1 is rotatably provided with a half gear 402 through hinge connection, and the half gear 402 is meshed with the first rack 4; a slotted hole which is attached to the outer side of the connecting roller 302 is formed in one side of the half gear 402; the connecting rods 5 are arranged in the slotted holes of the sliding blocks 102 in a sliding mode, and the rightmost group of connecting rods 5 are fixedly connected with the first rack 4; wherein, the connecting rod 5 further comprises a second rack 501 and a fixture block 502; a groove is formed in the rear side of the connecting rod 5; a second rack 501 is fixedly arranged in the groove of the connecting rod 5; a fixture block 502 is integrally arranged at the front side of the connecting rod 5; the outside of connecting rod 5 slides and is provided with cleaning brush 6, and cleaning brush 6's both sides have all been seted up the bleeder vent.
The mounting plate 1 further comprises a sliding frame 101; a sliding frame 101 is arranged at the bottom of the mounting plate 1 in a sliding manner, and a slotted hole is formed in the left side of the sliding frame 101; a sliding block 102 is arranged on the front side of the sliding frame 101 in a sliding manner, and a trapezoidal sliding block is integrally arranged on the right side of the sliding frame 101; by providing the carriage 101, the present apparatus can be mounted on one side of the transformer in cooperation with the mounting plate 1.
Wherein, the cleaning brush 6 also comprises a transmission gear 601 and a spiral fan 602; the cleaning brush 6 is hollow inside; the inner side of the cleaning brush 6 is rotatably provided with a transmission gear 601 through a hinge joint, and the transmission gear 601 is meshed with the second rack 501; the inner side of the cleaning brush 6 is rotatably provided with a spiral fan 602 through hinge connection, and the spiral fan 602 is in transmission connection with the transmission gear 601 through a transmission belt; can clear up the inboard of transformer grid through cleaning brush 6, when cleaning brush 6 slides, drive the rotation of turbofan 602 through drive gear 601, can accelerate the inboard air flow of transformer grid, supplementary quickening heat dissipation.
The working principle is as follows: the thread positions on two sides of a half screw rod 2 are rotated to the position of a slot 202, a mounting plate 1 is placed on the top of a grid on one side of a transformer, then the position of a cleaning brush 6 is adjusted according to the position of the grid, a connecting rod 5 and the cleaning brush 6 are driven by a sliding slide block 102 to slide for adjustment, after the proper position is adjusted, a sliding frame 101 is upwards slid to enable the top of the sliding frame 101 to be in close contact with the bottom of the grid of the transformer, then the half screw rod 2 is rotated to enable the thread on the outer side of the half screw rod 2 to be clamped with the thread on the inner side of a screw sleeve 201 and complete the fixation of the sliding frame 101, meanwhile, the device is also fixed on one side of the transformer, the cleaning brush 6 extends into the inner side of the grid of the transformer, a fan blade 301 is driven to rotate by wind power, a driving wheel 3 is synchronously driven to rotate, the driving wheel 3 drives a connecting, drive first rack 4 through half gear 402 and slide from top to bottom along mounting panel 1, drive simultaneously and clear up brush 6 and slide from top to bottom along connecting rod 5 to clear up the grid inboard of transformer, when cleaning brush 6 is gliding along connecting rod 5, through drive gear 601 and second rack 501's meshing transmission, it is rotatory to drive gear 601, and it is rotatory to drive spiral fan 602 in step, the rotatory air current that drives of spiral fan 602 passes through the bleeder vent circulation of cleaning brush 6 both sides.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A transformer grid cleaning structure with wind guidance, characterized in that: comprises a mounting plate (1); a chute is formed in the front side of the mounting plate (1), and a trapezoidal chute is formed in the inner side of the right side of the mounting plate (1); the mounting plate (1) also comprises a sliding block (102); a sliding block (102) is slidably arranged on the front side of the mounting plate (1), a slotted hole is formed in the top of the sliding block (102), and a clamping groove is formed in one side of the slotted hole; the left side of the mounting plate (1) is rotatably provided with a half screw (2) through hinge connection, and the front side and the rear side of the half screw (2) are both of a plane structure; the right side of the mounting plate (1) is rotatably provided with a driving wheel (3) through hinge connection, and one side of the driving wheel (3) is provided with two groups of slotted holes in a linear array; a first rack (4) is arranged on the front side of the mounting plate (1) in a sliding manner; the connecting rods (5) are arranged in the slotted holes of the sliding blocks (102) in a sliding mode, and the rightmost group of connecting rods (5) are fixedly connected with the first rack (4); the outside of connecting rod (5) slides and is provided with cleaning brush (6), and the bleeder vent has all been seted up to the both sides of cleaning brush (6).
2. The wind-guided transformer grid cleaning structure of claim 1, wherein: the mounting plate (1) further comprises a sliding frame (101); a sliding frame (101) is arranged at the bottom of the mounting plate (1) in a sliding manner, and a slotted hole is formed in the left side of the sliding frame (101); the front side of the sliding frame (101) is provided with a sliding block (102) in a sliding mode, and the right side of the sliding frame (101) is integrally provided with a trapezoidal sliding block.
3. The wind-guided transformer grid cleaning structure of claim 1, wherein: the half screw (2) also comprises a threaded sleeve (201) and a slot (202); a threaded sleeve (201) is fixedly arranged at the top of the left side of the sliding frame (101); the two sides of the inner wall of the threaded sleeve (201) are both provided with a slot (202), and the inner wall of the slot (202) is of a smooth plane structure.
4. The wind-guided transformer grid cleaning structure of claim 1, wherein: the driving wheel (3) also comprises fan blades (301) and a connecting roller (302); the right side of the driving wheel (3) is coaxially provided with a fan blade (301); a connecting roller (302) is fixedly arranged in the slotted hole of the driving wheel (3).
5. The wind-guided transformer grid cleaning structure of claim 1, wherein: the first rack (4) also comprises a sliding rod (401) and a half gear (402); the upper end and the lower end of the first rack (4) are respectively welded with a sliding rod (401); the front side of the mounting plate (1) is rotatably provided with a half gear (402) through hinge connection, and the half gear (402) is meshed with the first rack (4); one side of the half gear (402) is provided with a slotted hole which is attached to the outer side of the connecting roller (302).
6. The wind-guided transformer grid cleaning structure of claim 1, wherein: the connecting rod (5) further comprises a second rack (501) and a clamping block (502); a groove is formed in the rear side of the connecting rod (5); a second rack (501) is fixedly arranged in the groove of the connecting rod (5); the front side of the connecting rod (5) is integrally provided with a clamping block (502).
7. The wind-guided transformer grid cleaning structure of claim 1, wherein: the cleaning brush (6) also comprises a transmission gear (601) and a spiral fan (602); the interior of the cleaning brush (6) is of a hollow structure; the inner side of the cleaning brush (6) is rotatably provided with a transmission gear (601) through hinge connection, and the transmission gear (601) is meshed with the second rack (501); the inner side of the cleaning brush (6) is rotatably provided with a spiral fan (602) through hinge connection, and the spiral fan (602) is in transmission connection with the transmission gear (601) through a transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501804.1A CN112712967B (en) | 2020-12-18 | 2020-12-18 | Transformer grid cleaning structure with wind power guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011501804.1A CN112712967B (en) | 2020-12-18 | 2020-12-18 | Transformer grid cleaning structure with wind power guide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112712967A true CN112712967A (en) | 2021-04-27 |
| CN112712967B CN112712967B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011501804.1A Active CN112712967B (en) | 2020-12-18 | 2020-12-18 | Transformer grid cleaning structure with wind power guide |
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| Country | Link |
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| CN (1) | CN112712967B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782307A (en) * | 2021-08-18 | 2021-12-10 | 湖南省国创电力有限公司 | Aluminum alloy radiator applied to converter transformer |
| CN114093600A (en) * | 2022-01-19 | 2022-02-25 | 江苏天瑞变压器有限公司 | Pressure compensation type underwater transformer |
| CN115382804A (en) * | 2022-09-02 | 2022-11-25 | 晁宏涛 | Engineering construction guardrail and operation method thereof |
| CN117457344A (en) * | 2023-12-22 | 2024-01-26 | 搏世因（北京）高压电气有限公司 | Sealed radiating dry-type capacitance type transformer sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113782307A (en) * | 2021-08-18 | 2021-12-10 | 湖南省国创电力有限公司 | Aluminum alloy radiator applied to converter transformer |
| CN114093600A (en) * | 2022-01-19 | 2022-02-25 | 江苏天瑞变压器有限公司 | Pressure compensation type underwater transformer |
| CN114093600B (en) * | 2022-01-19 | 2022-04-08 | 江苏天瑞变压器有限公司 | Pressure compensation type underwater transformer |
| CN115382804A (en) * | 2022-09-02 | 2022-11-25 | 晁宏涛 | Engineering construction guardrail and operation method thereof |
| CN117457344A (en) * | 2023-12-22 | 2024-01-26 | 搏世因（北京）高压电气有限公司 | Sealed radiating dry-type capacitance type transformer sleeve |
| CN117457344B (en) * | 2023-12-22 | 2024-03-08 | 搏世因（北京）高压电气有限公司 | Sealed radiating dry-type capacitance type transformer sleeve |
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| Publication number | Publication date |
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| CN112712967B (en) | 2022-05-17 |
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