CN220569494U - High waterproof power transformer degaussing machine - Google Patents
High waterproof power transformer degaussing machine Download PDFInfo
- Publication number
- CN220569494U CN220569494U CN202321824780.2U CN202321824780U CN220569494U CN 220569494 U CN220569494 U CN 220569494U CN 202321824780 U CN202321824780 U CN 202321824780U CN 220569494 U CN220569494 U CN 220569494U
- Authority
- CN
- China
- Prior art keywords
- layer
- degaussing
- power transformer
- degaussing machine
- machine box
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000007791 dehumidification Methods 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 56
- 238000010521 absorption reaction Methods 0.000 claims description 32
- -1 polyethylene Polymers 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 16
- 229920002943 EPDM rubber Polymers 0.000 claims description 15
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- 229920002545 silicone oil Polymers 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 20
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 description 13
- 238000005536 corrosion prevention Methods 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The utility model discloses a high waterproof power transformer demagnetizer, and relates to the technical field of waterproof demagnetizers. In order to solve the problem that when the existing power transformer demagnetizer is in use, if the inside of the existing power transformer demagnetizer is wetted, the using effect of the power transformer demagnetizer can be affected, and the power transformer demagnetizer is easy to damage. The utility model provides a high waterproof power transformer degaussing machine, includes the degaussing machine box, the inside one side of degaussing machine box is equipped with the dehumidification mechanism, and the outside of degaussing machine box is scribbled the waterproof layer, and degaussing machine body is installed to degaussing machine box, is equipped with the cavity between degaussing machine box and the degaussing machine body, and the cavity is close to the coating on the lateral wall of degaussing machine body one side and has dampproofing coating. This high waterproof power transformer degaussing machine avoids steam to get into in the degaussing machine main part through the degaussing machine box, has strengthened the water-proof effects, has avoided receiving the steam to influence and has caused relay protection ware to break down, has avoided the degaussing machine main part to receive the steam erosion, causes interior component to break down.
Description
Technical Field
The utility model relates to the technical field of waterproof demagnetizing machines, in particular to a high waterproof demagnetizing machine for a power transformer.
Background
The full-automatic power transformer demagnetizer is special equipment for eliminating residual magnetism after a large-scale power transformer direct-current resistance test, plays an extremely important role in protecting a power transformer from excitation surge current impact and safe operation, and when the power transformer demagnetizer is used, if the inside of the power transformer demagnetizer is wetted, the using effect of the power transformer demagnetizer can be affected, and the inside of the power transformer demagnetizer is wetted, so that the internal elements of the power transformer demagnetizer are easily corroded, the damage of the power transformer demagnetizer is further caused, and aiming at the defects, the design of the high-waterproof power transformer demagnetizer is necessary.
Disclosure of Invention
The utility model aims to provide a highly waterproof power transformer demagnetizer, which has the advantages of preventing water vapor from entering a demagnetizer main body through a demagnetizer box body, enhancing waterproof effect, avoiding the relay protector from being broken down due to the influence of the water vapor, ensuring that the set dampproof paint has certain functions of corrosion resistance and dampproof, avoiding the demagnetizer main body from being corroded by the water vapor and causing internal elements to be broken down, and solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high waterproof power transformer degaussing machine, includes degaussing machine box and case lid, one side of degaussing machine box has the case lid through the hinge, and the upper surface of case lid is equipped with the draw-in groove, is equipped with joint strip on the case lid, and the inside one side of degaussing machine box is equipped with dehumidification mechanism, and the waterproof layer is scribbled in the outside of degaussing machine box, installs the degaussing machine main part in the degaussing machine box, is equipped with the cavity between degaussing machine box and the degaussing machine main part, installs a plurality of fin in the cavity, and the cavity is close to the coating on the lateral wall of degaussing machine main part one side and has dampproofing coating.
Preferably, the waterproof layer comprises a polyethylene waterproof composite film, an ethylene propylene diene monomer rubber layer and an acrylic ester anti-permeation layer, wherein the polyethylene waterproof composite film is arranged on the inner side of the ethylene propylene diene monomer rubber layer, and the acrylic ester anti-permeation layer is arranged on the inner side of the ethylene propylene diene monomer rubber layer.
Preferably, the inner side of the acrylic ester anti-seepage layer is connected with the outer wall of the box body of the demagnetizer, and the thicknesses of the polyethylene waterproof composite film, the ethylene propylene diene monomer rubber layer and the acrylic ester anti-seepage layer are the same and are all 0.15mm.
Preferably, the dehumidification mechanism comprises a dehumidification cavity, a partition plate, a water storage layer, an electric push rod, an extrusion plate and a support plate, wherein the partition plate is arranged inside the demagnetizing machine box body, the dehumidification cavity is arranged on the outer side of the partition plate, the support plate is arranged at the bottom of the dehumidification cavity, the water storage layer is arranged at the bottom of the support plate, the extrusion plate is arranged right above the support plate, the electric push rod is mounted on the upper surface of the extrusion plate, and the electric push rod is arranged on the lower surface of the top of the dehumidification cavity.
Preferably, the partition board is provided with a plurality of water absorption holes at the positions corresponding to the dehumidifying cavity, and the bottom of the water storage layer is obliquely arranged.
Preferably, the electric putter's model is MD small-size push rod, and the moisture absorption granule is placed to the dehumidification intracavity, is equipped with a plurality of holes that permeate water in the backup pad, and the hole size that permeate water all is less than the size of moisture absorption granule, and moisture absorption granule is the super absorbent resin granule.
Preferably, the moisture-proof coating comprises an anticorrosive layer, a methyl silicone oil layer and an ethyl silicone oil layer, wherein the anticorrosive layer is arranged on the upper surface of the methyl silicone oil layer, and the ethyl silicone oil layer is arranged on one side, far away from the anticorrosive layer, of the bottom of the methyl silicone oil layer.
Preferably, the thickness of the anticorrosive layer, the methyl silicone oil layer and the ethyl silicone oil layer is the same, and is 0.3mm.
Compared with the prior art, the utility model has the following beneficial effects:
this high waterproof power transformer degausser, the waterproof layer of setting is waterproof to degausser box, avoid steam to get into degausser main part through the degausser box in, waterproof effect has been strengthened, absorb the inside steam of degausser box through the water absorption granule, and extrude the moisture absorption granule through the stripper, extrude the steam in the water absorption granule to the water storage in situ, the utilization ratio of the water absorption granule and the effect of absorbing water have been improved, avoided receiving the steam to influence and cause relay protection ware to break down, the dampproofing coating of setting has certain anticorrosive and damp-proofing effect, avoided degausser main part to receive the steam erosion, cause interior component to break down.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a portion of the structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a portion of the structure of the present utility model;
FIG. 4 is a schematic view of a waterproof layer structure according to the present utility model;
fig. 5 is a schematic view of the moisture-proof coating structure of the present utility model.
In the figure: 1. a demagnetizing machine box body; 2. a clamping groove; 3. a case cover; 4. a waterproof layer; 41. polyethylene waterproof composite film; 42. an ethylene propylene diene monomer layer; 43. an acrylate permeation barrier layer; 5. a dehumidifying mechanism; 51. a dehumidifying chamber; 52. a partition plate; 53. a water storage layer; 54. an electric push rod; 55. an extrusion plate; 56. a support plate; 6. a sealing rubber strip; 7. a cavity; 8. a heat sink; 9. a moisture-proof coating; 91. an anti-corrosion layer; 92. a methyl silicone oil layer; 93. ethyl silicone oil layer; 10. a demagnetizing machine main body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the technical problem that if the existing power transformer demagnetizer is internally wetted during use, the use effect of the power transformer demagnetizer can be affected, and the internal wetted part also easily erodes the internal elements of the power transformer demagnetizer, so that the damage of the power transformer demagnetizer is caused, please refer to fig. 1-5, the embodiment provides the following technical scheme:
the utility model provides a highly waterproof power transformer degaussing machine, including degaussing machine box 1 and case lid 3, there is case lid 3 one side of degaussing machine box 1 through the hinge, the upper surface of case lid 3 is equipped with draw-in groove 2, be equipped with joint strip 6 on the case lid 3, joint strip 6 card is in draw-in groove 2, make degaussing machine box 1 can seal when not using, waterproof effect has been improved, one side of degaussing machine box 1 inside is equipped with dehumidification mechanism 5, dehumidification mechanism 5 includes dehumidification chamber 51, baffle 52, aqua storage layer 53, electric putter 54, stripper plate 55 and backup pad 56, baffle 52 sets up in the inside of degaussing machine box 1, the outside of baffle 52 is equipped with dehumidification chamber 51, the bottom of dehumidification chamber 51 is equipped with backup pad 56, the bottom of backup pad 56 is equipped with aqua storage layer 53, be equipped with stripper plate 55 directly over backup pad 56, electric putter 54 is installed to the upper surface of stripper plate 55, the electric push rod 54 is arranged on the top lower surface of the dehumidifying cavity 51, a plurality of water absorption holes are arranged at the positions of the partition plate 52 and the dehumidifying cavity 51, the bottom of the water storage layer 53 is obliquely arranged, the electric push rod 54 is an MD small push rod, moisture absorption particles are arranged in the dehumidifying cavity 51, a plurality of water penetration holes are arranged on the supporting plate 56, the size of the water penetration holes is smaller than that of the moisture absorption particles, the moisture absorption particles are high-water absorption resin particles, the moisture in the refrigerator body 1 is absorbed by the water absorption particles, after the water absorption particles absorb a certain amount of moisture, the electric push rod 54 is started, the extruding plate 55 is pressed down to extrude the moisture absorption particles, the moisture in the water absorption particles is extruded into the water storage layer 53, a water outlet is arranged on the water storage layer 53, the moisture is conveniently and timely discharged, the moisture is prevented from being excessively heavy in the refrigerator body 1 due to long-time stay of the moisture, and the refrigerator body 10 is corroded, the outer side of the demagnetizing machine box body 1 is coated with a waterproof layer 4, the waterproof layer 4 comprises a polyethylene waterproof composite film 41, an ethylene propylene diene monomer rubber layer 42 and an acrylic ester anti-seepage layer 43, the polyethylene waterproof composite film 41 is arranged on the inner side of the ethylene propylene diene monomer rubber layer 42, the acrylic ester anti-seepage layer 43 is arranged on the inner side of the ethylene propylene diene monomer rubber layer 42, the inner side of the acrylic ester anti-seepage layer 43 is connected with the outer wall of the demagnetizing machine box body 1, the thicknesses of the polyethylene waterproof composite film 41, the ethylene propylene diene monomer rubber layer 42 and the acrylic ester anti-seepage layer 43 are the same and are 0.15mm, the arranged polyethylene waterproof composite film 41 has excellent low temperature resistance, good chemical stability, most acid and alkali corrosion resistance, small water absorption and excellent electrical insulation, the waterproof effect of the first layer is achieved, the arranged ethylene propylene diene monomer rubber layer 42 has better corrosion resistance and waterproof performance, the waterproof effect of the waterproof layer 4 is further enhanced by the arranged acrylic ester permeation prevention layer 43, the waterproof effect of multiple layers is achieved, the demagnetizer main body 10 is arranged in the demagnetizer main body 1, a cavity 7 is arranged between the demagnetizer main body 1 and the demagnetizer main body 10, a plurality of radiating fins 8 are arranged in the cavity 7, a side wall of the cavity 7, which is close to one side of the demagnetizer main body 10, is coated with a dampproof paint 9, the dampproof paint 9 comprises a corrosion prevention layer 91, a methyl silicone oil layer 92 and an ethyl silicone oil layer 93, the corrosion prevention layer 91 is arranged on the upper surface of the methyl silicone oil layer 92, the ethyl silicone oil layer 93 is arranged on one side, which is far away from the corrosion prevention layer 91, of the bottom of the methyl silicone oil layer 92, the corrosion prevention layer 91, the methyl silicone oil layer 92 and the ethyl silicone oil layer 93 are the same in thickness and are all 0.3mm, the methyl silicone oil layer 92 and the ethyl silicone oil layer 93 are provided with good waterproof effect, the corrosion prevention layer 91 is provided to enable the dampproof paint 9 to have a certain corrosion prevention effect, the degausser body 10 is prevented from being corroded by water vapor, so that the internal components are prevented from being broken down.
When the demagnetizer is used, the demagnetizer box 1 is waterproof through the waterproof layer 4 arranged outside the demagnetizer box 1, the sealing rubber strip 6 is clamped in the clamping groove 2, the demagnetizer box 1 is sealed, meanwhile, the radiating fins 8 are arranged to radiate heat during working of the demagnetizer body 10, the normal use of the demagnetizer body 10 is avoided, the dampproof paint 9 coated on the side wall of the cavity 7 is used for dampproof and corrosion-proof protection of the demagnetizer body 10, when moisture exists in the demagnetizer box 1, water absorption particles absorb water vapor in the demagnetizer box 1, after the water absorption particles absorb certain water vapor, the electric push rod 54 is started, the extruding plate 55 is pressed down to extrude the water absorption particles, the water vapor in the water absorption particles is extruded into the water storage layer 53, and the water vapor is discharged through the water outlet on the water storage layer 53, so that the purposes of waterproof and dehumidification are achieved.
To sum up, this high waterproof power transformer degaussing machine, the waterproof complex film 41 of polyethylene that sets up has good low temperature resistance, good chemical stability, can be resistant to most acid and alkali's erosion, the hydroscopicity is little, the electrical insulation is good, the waterproof effect of first layer has been reached, the EPDM layer 42 of setting has better corrosion resistance and waterproof performance, the waterproof effect of waterproof layer 4 has further been strengthened to the acrylic ester permeation prevention layer 43 of setting, the waterproof effect of multilayer has been reached, absorb the inside steam of magnet box 1 through the water absorption granule, after the water absorption granule absorbed certain steam, start electric putter 54, push down the stripper plate 55, extrude the water absorption granule, extrude the steam in the water absorption granule to in the reservoir layer 53, the utilization ratio of water absorption granule and the water absorption effect have been improved, the influence of receiving steam causes the relay protector to break down, methyl silicone oil layer 92 and ethyl silicone oil layer 93 of setting have better waterproof effect, the anticorrosive layer 91 of setting makes this dampproofing coating 9 have certain anticorrosive effect, avoid degaussing machine main part 10 to receive erosion, cause inside component to break down.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high waterproof power transformer degaussing machine, includes degaussing machine box (1) and case lid (3), its characterized in that: one side of degaussing machine box (1) has case lid (3) through the hinge, the upper surface of case lid (3) is equipped with draw-in groove (2), be equipped with joint strip (6) on case lid (3), the inside one side of degaussing machine box (1) is equipped with dehumidification mechanism (5), waterproof layer (4) are scribbled in the outside of degaussing machine box (1), install degaussing machine main part (10) in degaussing machine box (1), be equipped with cavity (7) between degaussing machine box (1) and degaussing machine main part (10), install a plurality of fin (8) in cavity (7), the coating has dampproofing coating (9) on the lateral wall that cavity (7) are close to degaussing machine main part (10) one side.
2. A highly water resistant power transformer degaussing apparatus as claimed in claim 1, wherein: waterproof layer (4) are including polyethylene waterproof complex film (41), ethylene propylene diene monomer layer (42) and acrylic ester prevention of seepage layer (43), and polyethylene waterproof complex film (41) set up in the inboard on ethylene propylene diene monomer layer (42), and the inboard on ethylene propylene diene monomer layer (42) is provided with acrylic ester prevention of seepage layer (43).
3. A highly water resistant power transformer degaussing apparatus as claimed in claim 2, characterized in that: the inner side of the acrylic ester anti-seepage layer (43) is connected with the outer wall of the demagnetizing machine box body (1), and the thicknesses of the polyethylene waterproof composite film (41), the ethylene propylene diene monomer rubber layer (42) and the acrylic ester anti-seepage layer (43) are the same and are all 0.15mm.
4. A highly water resistant power transformer degaussing apparatus as claimed in claim 1, wherein: the utility model provides a dehumidification mechanism (5) is including dehumidification chamber (51), baffle (52), aqua storage layer (53), electric putter (54), stripper plate (55) and backup pad (56), baffle (52) set up the inside in degaussing machine box (1), the outside of baffle (52) is equipped with dehumidification chamber (51), the bottom in dehumidification chamber (51) is equipped with backup pad (56), the bottom of backup pad (56) is equipped with aqua storage layer (53), be equipped with stripper plate (55) directly over backup pad (56), electric putter (54) are installed to the upper surface of stripper plate (55), electric putter (54) set up the top lower surface in dehumidification chamber (51).
5. A highly water resistant power transformer degaussing apparatus as claimed in claim 4, wherein: the partition plate (52) is provided with a plurality of water absorption holes at the positions corresponding to the dehumidifying cavity (51), and the bottom of the water storage layer (53) is obliquely arranged.
6. A highly water resistant power transformer degaussing apparatus as claimed in claim 4, wherein: the electric push rod (54) is a MD small push rod, moisture absorption particles are placed in the dehumidification cavity (51), a plurality of water permeable holes are formed in the support plate (56), the size of each water permeable hole is smaller than that of each moisture absorption particle, and the moisture absorption particles are super-absorbent resin particles.
7. A highly water resistant power transformer degaussing apparatus as claimed in claim 1, wherein: the moistureproof coating (9) comprises an anticorrosive layer (91), a methyl silicone oil layer (92) and an ethyl silicone oil layer (93), wherein the anticorrosive layer (91) is arranged on the upper surface of the methyl silicone oil layer (92), and the ethyl silicone oil layer (93) is arranged on one side, far away from the anticorrosive layer (91), of the bottom of the methyl silicone oil layer (92).
8. A highly water resistant power transformer degaussing apparatus as claimed in claim 7, wherein: the thickness of the anticorrosive layer (91), the methyl silicone oil layer (92) and the ethyl silicone oil layer (93) is the same and is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824780.2U CN220569494U (en) | 2023-07-12 | 2023-07-12 | High waterproof power transformer degaussing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321824780.2U CN220569494U (en) | 2023-07-12 | 2023-07-12 | High waterproof power transformer degaussing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220569494U true CN220569494U (en) | 2024-03-08 |
Family
ID=90103396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321824780.2U Active CN220569494U (en) | 2023-07-12 | 2023-07-12 | High waterproof power transformer degaussing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220569494U (en) |
-
2023
- 2023-07-12 CN CN202321824780.2U patent/CN220569494U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207303668U (en) | A kind of electrical engineering distribution box | |
| CN105814714A (en) | Battery manufacturing method and manufacturing device | |
| CN220569494U (en) | High waterproof power transformer degaussing machine | |
| CN208173356U (en) | A kind of Covered transformer with anti-corrosion function | |
| CN210351763U (en) | Dampproofing and waterproofing's integrated circuit board | |
| CN216304979U (en) | Waterproof and anticorrosive heat-insulating layer for building | |
| CN206118236U (en) | Be applied to electric power waterproof box structure under high -humidity environment | |
| CN206211049U (en) | A kind of anti-oxidant zinc covers steel earthing pole | |
| CN218159876U (en) | Inductance assembly with good corrosion prevention effect | |
| CN211402503U (en) | Electric energy metering box with dampproofing function | |
| CN203465318U (en) | Dustproof and waterproof electric meter box | |
| CN211320812U (en) | Waterproof lead groove | |
| CN213277803U (en) | High-temperature and high-humidity resistant dry capacitor | |
| CN215435446U (en) | Environment-friendly packaging paperboard with good waterproof property | |
| CN105514201A (en) | Conductive back plate for high wetproof and heatproof photovoltaic module and manufacturing method thereof | |
| CN211829635U (en) | Waterproof and moistureproof electrical cabinet | |
| CN209963750U (en) | Special current limiter for bridge | |
| CN210350540U (en) | Switch board with labyrinth heat dissipation window | |
| CN217655729U (en) | Corrosion-resistant dry-type transformer | |
| CN213897844U (en) | Water leakage prevention device for closed machine room | |
| CN211321709U (en) | PLC control cabinet with insulating dampproofing function | |
| CN216659118U (en) | Polystyrene foam board with high waterproof and moisture-resistant performance | |
| CN109486003A (en) | A kind of New-energy capacitance device high-power metallic film | |
| CN218958000U (en) | Waterproof shell of coupler | |
| CN216109326U (en) | Building decoration waterproof board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |