CN211654552U - Insulating protective cover and mounting fixture of high-voltage side of power transformer - Google Patents
Insulating protective cover and mounting fixture of high-voltage side of power transformer Download PDFInfo
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- CN211654552U CN211654552U CN202020440697.5U CN202020440697U CN211654552U CN 211654552 U CN211654552 U CN 211654552U CN 202020440697 U CN202020440697 U CN 202020440697U CN 211654552 U CN211654552 U CN 211654552U
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- 241001330002 Bambuseae Species 0.000 abstract description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an insulating protective cover and an installation clamp for the high-voltage side of a power transformer, wherein the insulating protective cover comprises a protective cover main body and a protective cylinder horizontally arranged on the front side of the protective cover main body, and the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into the high-voltage side metal part of the power transformer; the protective cylinder and the protective cover main body are provided with slits, and the insulating protective cover can be broken to a certain degree through the slits; the front end of the protection cylinder is provided with an opening, and the top of the opening is higher than that of the protection cylinder; the utility model provides an insulating protection casing of power transformer high-voltage side has unique structure, and a protection section of thick bamboo front end is provided with the opening, and the opening upwards struts, can avoid because the cable conductor upwards squints the emergence that leads to the insulating protection casing condition that squints to appear, does not influence power transformer's normal work when realizing effectively protecting, and can dismantle and install reduction running cost under the electrified state.
Description
Technical Field
The utility model relates to an insulating protection technical field of power equipment, in particular to insulating protection casing and sectional fixture of power transformer high-voltage side.
Background
The transformer is a static electrical equipment which realizes the transmission of alternating current electric energy by exchanging alternating voltage and current, and can be divided into a power transformer, a test transformer, an instrument transformer and a transformer with special purpose according to the purpose; the power transformer is a necessary device for power transmission and distribution and power consumer distribution.
For preventing mouse and other toy climbing to power transformer metal material part to ground short circuit cause circuit accident trouble, adopt a rubber material's protection casing to carry out parcel formula protection to the arrester on the market, but this protection casing exists life weak point, and the operating cost is high, and because the protection casing on the market generally adopts opaque material preparation, be not convenient for fortune dimension operation personnel to patrol and examine and maintain.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, the utility model aims to provide an insulating protective cover and sectional fixture of power transformer high-voltage side, insulating protective cover structure is unique, does not influence power transformer's normal work when effectively protecting, and can realize dismantling and installing under the electrified state, effectively reduces the operating cost.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an insulating protective cover on the high-voltage side of a power transformer comprises a protective cover main body, wherein a protective cylinder used for wrapping a cable is horizontally arranged on the front side of the protective cover main body, and the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into a metal part on the high-voltage side of the power transformer; the protective cylinder and the protective cover main body are provided with slits, and the insulating protective cover can be broken to a certain degree through the slits; the front end of the protection barrel is provided with an opening, and the top of the opening is higher than that of the protection barrel.
The insulating protective cover at the high-voltage side of the power transformer further comprises a temperature measuring mechanism, the temperature measuring mechanism comprises temperature measuring parts which are respectively arranged at the left side and the right side of the joint of the protective cylinder and the protective cover main body, and the temperature measuring parts comprise a plurality of uniformly arranged temperature measuring holes.
The insulation protective cover of the high-voltage side of the power transformer further comprises a three-phase identification piece, and the three-phase identification piece is detachably arranged at the top of the protective cover main body.
In the insulating protective cover on the high-voltage side of the power transformer, a connecting hole is formed in the top of the protective cover main body, and a clamping block connected with the connecting hole in a clamping mode is arranged at the bottom of the three-phase identification piece.
In the insulating protective cover on the high-voltage side of the power transformer, a skirt edge which extends outwards and inclines downwards is arranged at the bottom of the protective cover main body.
In the insulating protective cover on the high-voltage side of the power transformer, a third slit is formed in the bottom of the protective cylinder along the axial direction of the protective cylinder, and the opening degree of the third slit gradually increases along the direction from the opening to the protective cover main body.
In the insulating protective cover on the high-voltage side of the power transformer, the protective cover main body is made of transparent PC materials, and the protective cylinder is made of transparent PC materials.
The utility model also correspondingly provides an installation fixture, the installation fixture is used for realizing the installation of the insulating protective cover on the high-voltage side of the power transformer, the installation fixture comprises a fixture body, a clamping part, an extending part and a fixing part, the clamping part is arranged on the front side of the fixture body, and the clamping part comprises clamping grooves respectively arranged on the left side and the right side of the fixture body; the extension part comprises a first connecting piece and a first insulating operation rod, the first connecting piece is arranged on the left side of the clamp body, one end of the first insulating operation rod is connected with the first connecting piece, and the other end of the first insulating operation rod is connected with the fixing part.
In the mounting fixture, the clamping part also comprises an adjusting piece for realizing the connection of the clamping groove and the fixture body, the middle part of the adjusting piece is provided with a through hole, and the top and the bottom of the adjusting piece are respectively and uniformly provided with a plurality of adjusting holes; the fixture comprises a fixture body and is characterized in that a positioning block matched and connected with the through hole is arranged on the front side of the fixture body, and a plurality of positioning holes matched and connected with the adjusting holes are formed in the positioning block.
In the mounting fixture, the fixing part comprises a second connecting piece and a second insulating operation rod, the second connecting piece comprises a connecting cylinder and a connecting lock catch, one end of the connecting cylinder is connected with the first insulating operation rod, and the other end of the connecting cylinder is connected with the connecting lock catch; the connecting lock catch comprises two arc-shaped connecting plates which are detachably connected, and the second insulating operating rod is arranged between the two arc-shaped connecting plates.
Has the advantages that:
the utility model provides an insulating protection casing of power transformer high-voltage side, it has following advantage:
(1) an opening is formed in the front side of the protection barrel, the top of the opening is higher than the protection barrel, and the condition that the wire inlet part and the protection barrel are mutually blocked to cause integral deviation of the insulation protection cover can be avoided;
(2) the temperature measuring part comprises a plurality of temperature measuring holes, the wrapped metal part is aligned when temperature measurement is convenient, measuring errors are reduced, the head of a small animal can be prevented from extending into the insulating protective cover, and the stability of the power transformer during operation is improved.
The utility model discloses still correspondingly provide the sectional fixture who is used for installing the insulating protective cover of power transformer high-pressure side, it has following advantage:
(1) the extension part is arranged, the length of the first insulating operation rod can be selected according to the actual working condition, the working distance is extended, and the problem that the power transformer is difficult to finish due to the fact that the power transformer blocks the visual angle too much in the actual operation process is avoided;
(2) the clamping part comprises an adjusting part, and due to the fact that the high-voltage sides of the power transformers are all part of different types, proper adjusting holes and positioning holes can be selected to be connected according to actual conditions, so that the distance between the two clamping grooves is adjusted, and the applicability of the mounting clamp is improved.
Drawings
Fig. 1 is a schematic structural view of an insulating protective cover provided by the present invention;
fig. 2 is a schematic structural view of an insulation shield at another viewing angle according to the present invention;
fig. 3 is a schematic structural view of the mounting fixture provided by the present invention;
fig. 4 is a usage status diagram of the insulating protective cover and the mounting fixture provided by the present invention;
fig. 5 is a working principle diagram of the insulation protective cover provided by the utility model.
Description of the main element symbols: 1-a protective cover main body, 11-a second slit, 12-a fourth slit, 13-a temperature measuring mechanism, 14-a connecting hole, 15-a skirt edge, 2-a protective barrel, 21-a first slit, 22-a third slit, 23-an opening, 3-a three-phase identification piece, 4-a clamp body, 41-a positioning block, 51-a clamping groove, 52-an adjusting piece, 521-an adjusting hole, 61-a first connecting piece, 62-a first insulating operation rod, 71-a second connecting piece, 72-a second insulating operation rod and 8-a power transformer.
Detailed Description
The utility model provides an insulating protection casing and sectional fixture of power transformer high-voltage side, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses do further detailed description.
In the description of the present invention, it should be understood that the terms "front", "left", "right", "top", "bottom", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and should not be construed as limiting the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.
Referring to fig. 1 to 5, the present invention provides an insulating protective cover for a high voltage side of a power transformer, which includes a protective cover main body 1, wherein a protective cylinder 2 for wrapping a cable is horizontally disposed at a front side of the protective cover main body 1, and the protective cover main body 1 is provided with a cavity having a downward opening and capable of being inserted into a metal portion of the high voltage side of the power transformer; the front end of the protection cylinder 2 is provided with an opening 23, and the top of the opening 23 is higher than that of the protection cylinder 2; the protection cylinder 2 and the protection cover main body 1 are provided with slits, the slits enable the insulation protection cover to be broken to a certain degree, specifically, the top of the protection cylinder 2 is provided with a first slit 21 along the axial direction, the top of the protection cover main body 1 is correspondingly provided with a second slit 11 coplanar with the first slit 21, the bottom of the protection cylinder 2 is provided with a third slit 22 along the axial direction, and the protection cylinder 2 is vertically provided with a fourth slit 12 connected with the third slit 22.
The utility model provides an insulating protective cover, its front end of protection section of thick bamboo 2 is provided with opening 23, because the inlet wire end of power transformer high-pressure side adopts 70 cables, 70 cables refer to the sectional area of the conductive core of single cable and are 70 square millimeters, consider that the positional deviation of 70 cables is generally upwards, when guaranteeing resources are saved, reduction in production cost, set up opening 23 to upwards strut the structure, namely the top of opening 23 is higher than the top of protection section of thick bamboo 2, can avoid inlet wire part and protection section of thick bamboo 2 to hinder each other and cause the whole condition of squinting of insulating protective cover; the first slit 21, the second slit 11, the third slit 22 and the fourth slit 12 are matched, so that the protective cylinder 2 and the protective cover main body 1 can be broken to a certain degree, and the connection of the insulating protective cover and the high-voltage side of the power transformer is realized.
Further, referring to fig. 1, the insulating protective cover on the high-voltage side of the power transformer further includes a temperature measuring mechanism 13, the temperature measuring mechanism 13 includes temperature measuring portions respectively disposed on the left and right sides of the joint of the protective cylinder 2 and the protective cover main body 1, the temperature measuring portions include a plurality of temperature measuring holes uniformly disposed, and the plurality of temperature measuring holes is more than one; the temperature measuring holes are multiple, so that the error of operation and maintenance personnel during measurement can be reduced, the measurement precision is improved, the cavity area is increased, and the operation and maintenance personnel can aim at the wrapped metal part conveniently during temperature measurement; in addition, compared with a single temperature measuring hole, if the area of the single temperature measuring hole is too small, alignment of a temperature measuring gun is inconvenient, and if the area of the single temperature measuring hole is too large, a probe of a small animal easily enters the insulating protective cover, so that normal operation of the power transformer 8 is affected.
Further, referring to fig. 1, the insulating protective cover on the high-voltage side of the power transformer further includes a three-phase identifier 3, and the three-phase identifier 3 is detachably disposed on the top of the protective cover main body 1; the three-phase identification part 3 is arranged, so that operation and maintenance personnel can conveniently identify the phase line information of the route, and the working efficiency is improved; in this embodiment, the three-phase identifier 3 is formed by injection molding of silica gel, and has three colors, i.e., red, yellow and green, and is semicircular in shape.
Further, referring to fig. 2, a connecting hole 14 is formed in the top of the protective cover main body 1, and a clamping block clamped and connected with the connecting hole 14 is arranged at the bottom of the three-phase identification piece 3; in this embodiment, the clamping block and the three-phase identification member 3 are an integrally formed structure; through the cooperation of joint piece and connecting hole 14 to be connected, realize that three-phase identification member 3 detachably connects on protection casing main part 1.
Further, referring to fig. 1 and 5, a skirt 15 extending outward and inclined downward is disposed at the bottom of the protective cover main body 1, and the skirt 15 is matched with the top of the insulator at the high-voltage side of the power transformer in shape, so as to facilitate positioning of the insulating protective cover during installation and improve stability of the protective cover main body 1 after being connected with the high-voltage side of the power transformer 8.
Further, referring to fig. 2, the opening degree of the third slit 22 gradually increases along the direction from the opening 23 to the shield main body 1, so as to improve the toughness of the shield cylinder 2 and ensure that the shield cylinder 2 does not break or be damaged even when being opened to a certain extent; in addition, in the installation process of the insulation protection cover, the third opening 22 with the gradually increased opening degree can ensure that the cable can move into the protection cylinder 2 from bottom to top.
Preferably, the protective cover main body 1 is a protective cover main body 1 made of a transparent PC material, and the protective cylinder 2 is a protective cylinder 2 made of a transparent PC material; in this embodiment, the protective cover main body 1 and the protective cylinder 2 are an integrally formed structure; adopt transparent PC material to make protection section of thick bamboo 2 and protection casing main part 1, observe power transformer 8's the inside condition when being convenient for operation and maintenance personnel patrol and examine, and the PC material has high temperature and high pressure resistant advantage, effectively prolongs the life of insulating protection casing.
Further, referring to fig. 3 to 5, the present invention also provides a mounting fixture, wherein the mounting fixture is used for mounting the insulating protective cover on the high voltage side of the power transformer, the mounting fixture includes a fixture body 4, a clamping portion, an extending portion and a fixing portion, the clamping portion is disposed on the front side of the fixture body 4, and the clamping portion includes a clamping groove 51 disposed on the left side and the right side of the fixture body 4 respectively; the extension part comprises a first connecting piece 61 and a first insulating operation rod 62, the first connecting piece 61 is arranged on the left side of the clamp body 4, one end of the first insulating operation rod 62 is connected with the first connecting piece 61, and the other end of the first insulating operation rod 62 is connected with the fixing part.
In this embodiment, the clamp body 4 is U-shaped, the first connecting member 61 is cylindrical, the first connecting member 61 and the first insulating operation rod 62 are in a bolt connection relationship, and the length of the first insulating operation rod 62 may be, but is not limited to, 20-30 cm; the mounting fixture body is made of nylon materials, and the clamping portion is made of nylon and glass fiber materials.
The utility model provides a mounting fixture, including the extension, can select first insulation operation stick 62's length according to the actual work condition, extension working distance avoids making fortune dimension personnel be difficult to accomplish the installation work because power transformer 8 hinders the visual angle too greatly in the actual operation process.
Further, referring to fig. 3 and 4, the clamping portion further includes an adjusting member 52 for connecting the clamping groove 51 and the clamp body 4, a through hole is formed in the middle of the adjusting member 52, and a plurality of adjusting holes 521 are uniformly formed in the top and the bottom of the adjusting member 52 respectively; a positioning block 41 which is matched and connected with the through hole is arranged on the front side of the clamp body, and a plurality of positioning holes which are matched and connected with the adjusting holes 521 are formed in the positioning block 41; because the models of the metal parts on the high-voltage side of the power transformer 8 are inconsistent, the adjusting holes 521 and the positioning holes are arranged, the distance between the two clamping grooves 51 can be adjusted according to actual conditions, so that the opening degree of the insulating protective cover can be adjusted, the insulating protective cover can be arranged on the high-voltage sides of the power transformers with different sizes, and the applicability of the mounting fixture and the insulating protective cover is improved.
Further, referring to fig. 3 and 4, the fixing portion includes a second connecting member 71 and a second insulating operating rod 72, the second connecting member 71 includes a connecting cylinder and a connecting latch, one end of the connecting cylinder is connected to the first insulating operating rod 62, and the other end of the connecting cylinder is connected to the connecting latch; the connecting lock catch comprises two arc-shaped connecting plates which are detachably connected, and the second insulating operation rod 72 is arranged between the two arc-shaped connecting plates; in this embodiment, the connecting cylinder is cylindrical, the first insulating operation rod 62 is in a bolt connection relationship with the connecting cylinder, the two arc-shaped connecting plates are in a bolt connection relationship, and the length of the second insulating operation rod 72 may range from, but is not limited to, 1.6 meters to 2 meters.
Preferably, the first insulating operating rod 62 and the second insulating operating rod 72 can be processed by using an insulating glass fiber material according to a specification with an outer diameter of 26 mm and an inner diameter of 20 mm, and have the advantages of high strength, high hardness and capability of resisting a voltage of more than 45 KV.
The utility model provides an insulating protective cover structure of power transformer high pressure side is unique, when construction unit need carry out electrified installation, the operating personnel break off the insulating protective cover with the fingers and thumb a certain degree earlier, along opening 23 position with the protection section of thick bamboo 2 part of insulating protective cover slowly impel the draw-in groove 51 of sectional fixture, make the insulating protective cover keep breaking off with the fingers and thumb the state; then, the worker wears insulating gloves and puts on insulating boots, holds the second insulating operating rod 72 to send the insulating protective cover to the power transformer 8 of the tower, at this time, the insulating protective cover in the state of breaking off is slowly sleeved into the metal part on the high-voltage side of the power transformer 8 from top to bottom, so that the metal part is completely wrapped by the insulating protective cover, then the insulating protective cover is lightly put on the insulator on the high-voltage side, the skirt 15 at the bottom of the protective cover main body 1 is attached to the top of the insulator, and the protective cylinder 2 is aligned to the cable part of the power transformer 8.
After the protection cover is completely attached to the metal part of the high-voltage side of the power transformer 8, a worker operates the mounting fixture to enable the mounting fixture to move along the direction of the cable, and after the protection cylinder 2 is completely separated from the mounting fixture, the insulation protection cover can be automatically closed due to inertia, so that the metal part of the high-voltage side of the power transformer 8 is wrapped, and the electrified mounting work of the insulation protection cover is completed.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (10)
1. An insulating protective cover on the high-voltage side of a power transformer is characterized by comprising a protective cover main body, wherein a protective cylinder for wrapping a cable is horizontally arranged on the front side of the protective cover main body, and the protective cover main body is provided with a cavity with a downward opening and capable of being sleeved into a metal part on the high-voltage side of the power transformer; the protective cylinder and the protective cover main body are provided with slits, and the insulating protective cover can be broken to a certain degree through the slits; the front end of the protection barrel is provided with an opening, and the top of the opening is higher than that of the protection barrel.
2. The insulation shield for the high voltage side of the power transformer according to claim 1, further comprising a temperature measuring mechanism, wherein the temperature measuring mechanism comprises temperature measuring parts respectively arranged at the left side and the right side of the joint of the shield cylinder and the shield main body, and the temperature measuring parts comprise a plurality of uniformly arranged temperature measuring holes.
3. The insulation shield for the high voltage side of a power transformer according to claim 1, further comprising a three-phase identification member, wherein the three-phase identification member is detachably disposed on the top of the shield main body.
4. The insulation protective cover for the high-voltage side of the power transformer as recited in claim 3, wherein a connecting hole is formed at the top of the protective cover main body, and a clamping block which is connected with the connecting hole in a clamping manner is arranged at the bottom of the three-phase identification member.
5. The insulation shield for the high voltage side of a power transformer according to claim 1, wherein the bottom of the shield body is provided with a skirt extending outward and inclined downward.
6. The insulation shield for the high voltage side of the power transformer according to claim 1, wherein a third slit is formed at the bottom of the shield cylinder along the axial direction of the shield cylinder, and the opening degree of the third slit is gradually increased along the direction from the opening to the shield main body.
7. The insulation shield for the high voltage side of the power transformer according to claim 1, wherein the shield body is made of transparent PC material, and the protection cylinder is made of transparent PC material.
8. A mounting jig for mounting the insulation shield on the high voltage side of the power transformer according to any one of claims 1 to 7, the mounting jig comprising a jig body, a clamping portion, an extension portion, and a fixing portion, the clamping portion being disposed on the front side of the jig body, the clamping portion comprising a slot disposed on the left side and the right side of the jig body, respectively; the extension part comprises a first connecting piece and a first insulating operation rod, the first connecting piece is arranged on the left side of the clamp body, one end of the first insulating operation rod is connected with the first connecting piece, and the other end of the first insulating operation rod is connected with the fixing part.
9. The mounting fixture according to claim 8, wherein the clamping portion further comprises an adjusting member for connecting the clamping groove and the fixture body, a through hole is formed in the middle of the adjusting member, and a plurality of adjusting holes are uniformly formed in the top and the bottom of the adjusting member respectively; the fixture comprises a fixture body and is characterized in that a positioning block matched and connected with the through hole is arranged on the front side of the fixture body, and a plurality of positioning holes matched and connected with the adjusting holes are formed in the positioning block.
10. The mounting fixture of claim 8, wherein the fixing portion comprises a second connecting member and a second insulating operating rod, the second connecting member comprises a connecting cylinder and a connecting latch, one end of the connecting cylinder is connected to the first insulating operating rod, and the other end of the connecting cylinder is connected to the connecting latch; the connecting lock catch comprises two arc-shaped connecting plates which are detachably connected, and the second insulating operating rod is arranged between the two arc-shaped connecting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440697.5U CN211654552U (en) | 2020-03-30 | 2020-03-30 | Insulating protective cover and mounting fixture of high-voltage side of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440697.5U CN211654552U (en) | 2020-03-30 | 2020-03-30 | Insulating protective cover and mounting fixture of high-voltage side of power transformer |
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| Publication Number | Publication Date |
|---|---|
| CN211654552U true CN211654552U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020440697.5U Active CN211654552U (en) | 2020-03-30 | 2020-03-30 | Insulating protective cover and mounting fixture of high-voltage side of power transformer |
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| Country | Link |
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| CN (1) | CN211654552U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270253A (en) * | 2021-05-19 | 2021-08-17 | 广东电网有限责任公司 | Buckle formula transformer protection casing and operation tool thereof |
| CN113394000A (en) * | 2021-08-18 | 2021-09-14 | 广东电网有限责任公司佛山供电局 | Transformer high-voltage side protection device |
| CN114501895A (en) * | 2022-02-17 | 2022-05-13 | 广东粤艺电力科技有限公司 | Protective cover |
| CN114937548A (en) * | 2022-05-19 | 2022-08-23 | 广东电网有限责任公司广州供电局 | Protective cover of transformer low-voltage wiring terminal |
-
2020
- 2020-03-30 CN CN202020440697.5U patent/CN211654552U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270253A (en) * | 2021-05-19 | 2021-08-17 | 广东电网有限责任公司 | Buckle formula transformer protection casing and operation tool thereof |
| CN113270253B (en) * | 2021-05-19 | 2022-07-19 | 广东电网有限责任公司 | Buckle formula transformer protection casing and operation tool thereof |
| CN113394000A (en) * | 2021-08-18 | 2021-09-14 | 广东电网有限责任公司佛山供电局 | Transformer high-voltage side protection device |
| CN113394000B (en) * | 2021-08-18 | 2022-01-11 | 广东电网有限责任公司佛山供电局 | Transformer high-voltage side protection device |
| CN114501895A (en) * | 2022-02-17 | 2022-05-13 | 广东粤艺电力科技有限公司 | Protective cover |
| CN114937548A (en) * | 2022-05-19 | 2022-08-23 | 广东电网有限责任公司广州供电局 | Protective cover of transformer low-voltage wiring terminal |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Huayi Technology Co.,Ltd. Assignor: Foshan Nanxu Technology Co.,Ltd. Contract record no.: X2022990000213 Denomination of utility model: The utility model relates to an insulating protective cover and an installation fixture on the high voltage side of a power transformer Granted publication date: 20201009 License type: Common License Record date: 20220418 |
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Address after: Unit 414, 4th Floor, B5 Building, Dengjun Digital City Phase II, No. 39 Xile Avenue East, Leping Town, Sanshui District, Foshan City, Guangdong Province 528100 Patentee after: Foshan Nanxu Technology Co.,Ltd. Country or region after: China Address before: No. 11 Panlong East Road, Leping Town, Sanshui District, Foshan City, Guangdong Province, 528100 Patentee before: Foshan Nanxu Technology Co.,Ltd. Country or region before: China |
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