CN112271606A - Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge - Google Patents
Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge Download PDFInfo
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- CN112271606A CN112271606A CN202011386183.7A CN202011386183A CN112271606A CN 112271606 A CN112271606 A CN 112271606A CN 202011386183 A CN202011386183 A CN 202011386183A CN 112271606 A CN112271606 A CN 112271606A
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- box
- insulating partition
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- voltage chamber
- wall
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
- H02B1/48—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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Abstract
The invention provides a box-type transformer high-voltage chamber and a box-type transformer for preventing discharge, wherein the box-type transformer high-voltage chamber for preventing discharge comprises: a top wall; a bottom wall; front, back, left and right side walls; the three-phase high-voltage side devices are arranged on the rear side wall, and the high-voltage side devices of all phases are arranged at left and right intervals; a dehumidifier; and two insulating partition plates are arranged and are respectively positioned between the two adjacent high-voltage side devices and used for isolating the parts of the high-voltage side devices of each phase connected with the cable joints. According to the invention, the high-voltage side devices of each phase are isolated by the insulating partition plates, so that when some condensation is generated and the dehumidifier is not started, a good physical isolation effect can be achieved, interphase discharge and cable joint burnout are avoided, and the reliability of operation of the box transformer substation is ensured. The invention provides a new solution for adapting box type transformer equipment to environments with large day and night temperature difference, humid climate and the like, increases the safety and reliability of box type transformer operation, reduces the damage caused by discharge, and reduces the operation and maintenance cost.
Description
Technical Field
The invention relates to the technical field of box-type transformers, in particular to a box-type transformer high-voltage chamber capable of preventing discharge and a box-type transformer.
Background
The box-type transformer equipment is widely applied to photovoltaic and wind power projects and is an important component of power generation. For example, the utility model discloses a chinese utility model patent that the publication number is CN206401785U discloses a photovoltaic box-type substation hyperbaric chamber arrester fixing device, its case becomes to install arrester, high-tension bushing, electrified display sleeve pipe from top to bottom on the rear side wall of hyperbaric chamber, and arrester, high-tension bushing, electrified display sleeve pipe pass through cable junction together during the use. In the prior art, a high-voltage bushing, a fuse and a lightning arrester are arranged in a high-voltage chamber from top to bottom, and the lightning arrester and the high-voltage bushing can be called as high-voltage side devices.
At present, photovoltaic projects and wind power projects are widely distributed in the whole country, application scenes are complex, some places are influenced by environmental factors such as large day and night temperature difference and humid climate, condensation phenomena easily occur near the position where each phase of high-voltage side device in a high-voltage chamber is connected with a cable joint, and the problems of discharging among phases and burning of the cable joint are easily caused due to limited inter-phase distance.
To this, chinese utility model patent that the publication number is CN207625093U discloses a railway telemechanical box becomes, wherein mentions that partly sets up automatic temperature control equipment respectively in high-pressure chamber, transformer room and low-pressure chamber, has auto-induction heating, auto-induction anti-condensation function, and wherein anti-condensation device includes dehumidifier equipment such as hot plate, condensation controller, dehumidifier, automatic start when can the condensation value reaches the limit value in the box, improves the interior humidity situation of box change.
However, the existing dehumidifier is also started when the condensation value in the box body reaches a certain value, that is to say, the condensation phenomenon in the box body occurs, so that the problems of interphase discharge and cable joint burnout before the dehumidifier is started can be solved, and the reliability of the operation of the box transformer substation can not be ensured.
Disclosure of Invention
The invention aims to provide a box transformer substation high-voltage chamber for preventing discharge, which aims to solve the problem that the reliability of the operation of a box transformer substation cannot be ensured due to the possibility of interphase discharge and cable joint burnout even though a dehumidifier is arranged in the prior art; the invention also aims to provide a box type transformer to solve the problem that in the prior art, although a dehumidifier is arranged, the possibility of interphase discharge and cable joint burnout still exists, and the reliability of the operation of the box type transformer cannot be ensured.
In order to achieve the purpose, the box transformer high-voltage chamber for preventing the discharge adopts the following technical scheme:
a box-to-substation high voltage chamber to prevent electrical discharge, comprising:
a top wall;
a bottom wall;
front, back, left and right side walls;
the three-phase high-voltage side devices are arranged on the rear side wall, and the high-voltage side devices of all phases are arranged at left and right intervals;
a dehumidifier;
the box transformer high-voltage chamber for preventing discharge further comprises:
and two insulating partition plates are arranged and are respectively positioned between the two adjacent high-voltage side devices and used for isolating the parts of the high-voltage side devices of each phase connected with the cable joints.
The beneficial effects of the above technical scheme are that: because the box that prevents discharging becomes high-voltage chamber still includes two insulating barrier, two insulating barrier are located between the adjacent double-phase high-voltage side device respectively, just so with each phase high-voltage side device and cable joint connection's position isolated open, consequently there is some condensation to produce, but when the dehumidifier did not start, also can play fine isolated effect of physics, can avoid interphase discharge and cable joint to burn out to the reliability of box becomes the operation has been guaranteed.
Furthermore, for the convenience of fixing the insulating partition plate, the high-voltage chamber for preventing the box transformer from discharging further comprises a fixing plate for fixing the insulating partition plate, the fixing plate comprises a first connecting edge connected with any one of the top wall, the bottom wall or the front side wall, the rear side wall, the left side wall and the right side wall, the fixing plate further comprises a second connecting edge connected with the insulating partition plate, and the first connecting edge and the second connecting edge are perpendicular to form an L shape.
Furthermore, in order to facilitate the fixing of the fixing plate, the first connecting edge is fixed on the top wall, and the second connecting edge is connected with the top end of the insulating partition plate.
Furthermore, in order to fix the insulating partition plates, two fixing plates corresponding to one insulating partition plate are arranged symmetrically left and right, and the top ends of the insulating partition plates are clamped between the second connecting edges of the two fixing plates.
Further, for the dismouting of convenient insulating barrier, be provided with the arc wall that extends around respectively on the opposite flank on the second connection limit of two fixed plates, the cylinder that extends around the top of insulating barrier is provided with, insulating barrier passes through the cylinder by preceding cartridge backward between the arc wall of two fixed plates, cylinder and arc wall location fit.
Furthermore, in order not to increase the size of the high-pressure chamber and simultaneously facilitate the installation of the insulating partition plate, the front width and the rear width of the insulating partition plate are larger than half of the distance between the front side wall and the rear side wall, a front door is arranged on the front side wall, and the insulating partition plate is used for being inserted between the two fixing plates from front to back when the front door is opened.
Further, in order to save the panel, conveniently arrange, guarantee simultaneously that the dehumidifier can have better dehumidification effect to whole high-pressure chamber, have the interval between insulating barrier bottom and the diapire, the distance of dehumidifier to the diapire is less than the distance of insulating barrier bottom to the diapire.
Further, in order to facilitate the arrangement of the dehumidifier, the dehumidifier is prevented from influencing the high-pressure side device, and the dehumidifier is fixed on the left side wall or the right side wall and is close to the lower position.
Further, in order to save panel, conveniently arrange, guarantee compact structure, the interval has between insulating barrier bottom and the diapire, also has the interval between insulating barrier front end and the preceding lateral wall, insulating barrier rear end and back lateral wall butt.
In order to achieve the purpose, the box-type transformer adopts the following technical scheme:
the utility model provides a box transformer, becomes high-voltage chamber including transformer room, low-voltage chamber and the box that prevents discharging, prevents that the box that discharges becomes high-voltage chamber and includes:
a top wall;
a bottom wall;
front, back, left and right side walls;
the three-phase high-voltage side devices are arranged on the rear side wall, and the high-voltage side devices of all phases are arranged at left and right intervals;
a dehumidifier;
the box transformer high-voltage chamber for preventing discharge further comprises:
and two insulating partition plates are arranged and are respectively positioned between the two adjacent high-voltage side devices and used for isolating the parts of the high-voltage side devices of each phase connected with the cable joints.
The beneficial effects of the above technical scheme are that: because the box that prevents discharging becomes high-voltage chamber still includes two insulating barrier, two insulating barrier are located between the adjacent double-phase high-voltage side device respectively, just so with each phase high-voltage side device and cable joint connection's position isolated open, consequently there is some condensation to produce, but when the dehumidifier did not start, also can play fine isolated effect of physics, can avoid interphase discharge and cable joint to burn out to the reliability of box becomes the operation has been guaranteed.
Furthermore, for the convenience of fixing the insulating partition plate, the high-voltage chamber for preventing the box transformer from discharging further comprises a fixing plate for fixing the insulating partition plate, the fixing plate comprises a first connecting edge connected with any one of the top wall, the bottom wall or the front side wall, the rear side wall, the left side wall and the right side wall, the fixing plate further comprises a second connecting edge connected with the insulating partition plate, and the first connecting edge and the second connecting edge are perpendicular to form an L shape.
Furthermore, in order to facilitate the fixing of the fixing plate, the first connecting edge is fixed on the top wall, and the second connecting edge is connected with the top end of the insulating partition plate.
Furthermore, in order to fix the insulating partition plates, two fixing plates corresponding to one insulating partition plate are arranged symmetrically left and right, and the top ends of the insulating partition plates are clamped between the second connecting edges of the two fixing plates.
Further, for the dismouting of convenient insulating barrier, be provided with the arc wall that extends around respectively on the opposite flank on the second connection limit of two fixed plates, the cylinder that extends around the top of insulating barrier is provided with, insulating barrier passes through the cylinder by preceding cartridge backward between the arc wall of two fixed plates, cylinder and arc wall location fit.
Furthermore, in order not to increase the size of the high-pressure chamber and simultaneously facilitate the installation of the insulating partition plate, the front width and the rear width of the insulating partition plate are larger than half of the distance between the front side wall and the rear side wall, a front door is arranged on the front side wall, and the insulating partition plate is used for being inserted between the two fixing plates from front to back when the front door is opened.
Further, in order to save the panel, conveniently arrange, guarantee simultaneously that the dehumidifier can have better dehumidification effect to whole high-pressure chamber, have the interval between insulating barrier bottom and the diapire, the distance of dehumidifier to the diapire is less than the distance of insulating barrier bottom to the diapire.
Further, in order to facilitate the arrangement of the dehumidifier, the dehumidifier is prevented from influencing the high-pressure side device, and the dehumidifier is fixed on the left side wall or the right side wall and is close to the lower position.
Further, in order to save panel, conveniently arrange, guarantee compact structure, the interval has between insulating barrier bottom and the diapire, also has the interval between insulating barrier front end and the preceding lateral wall, insulating barrier rear end and back lateral wall butt.
Drawings
FIG. 1 is a front view of a high voltage chamber of a box transformer for preventing electric discharge in the present invention;
FIG. 2 is a top view of the discharge prevention chamber high pressure chamber of the present invention;
FIG. 3 is a left side view of the high voltage chamber of the box transformer for preventing discharge in the present invention;
fig. 4 is a connection structure view of an insulating barrier of a tank-type high voltage chamber for preventing discharge according to the present invention.
In the figure: 1-left side wall; 2-right side wall; 3-a top wall; 4-a bottom wall; 5-front side wall; 6-rear side wall; 7-an insulating spacer; 71-cylinder; 8, fixing a plate; 81-a first connecting edge; 82-a second connecting edge; 9-a dehumidifier; 10-a lightning arrester; 11-a high voltage bushing; 12-charged display sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
One embodiment of a high-pressure chamber (hereinafter referred to as a high-pressure chamber) of a discharge prevention box according to the present invention is shown in fig. 1, 2 and 3, the high-pressure chamber is surrounded by a left side wall 1, a right side wall 2, a top wall 3, a bottom wall 4, a front side wall 5 and a rear side wall 6, a dehumidifier 9 is disposed in the high-pressure chamber, three-phase high-pressure side devices are mounted on the rear side wall 6 of the high-pressure chamber, and the high-pressure side devices of each phase are arranged at left and right intervals. In this embodiment, each phase high-voltage side device sequentially includes, from top to bottom, an arrester 10, a high-voltage bushing 11, and a live display bushing 12, but in other embodiments, the high-voltage side device may also include an arrester, a high-voltage bushing, and a fuse, or the arrester and the high-voltage bushing, or only the high-voltage bushing.
The high-voltage chamber of the invention is different from the existing high-voltage chamber in that two insulating partition plates 7 are arranged in the high-voltage chamber of the invention, and the two insulating partition plates 7 are vertically arranged and respectively positioned between the adjacent two high-voltage side devices and are used for isolating the parts of the high-voltage side devices of each phase, which are connected with a cable joint (not shown in the figure).
The high-pressure chamber further comprises a fixing plate 8 for fixing the insulating partition plate 7, as shown in fig. 4, the fixing plate 8 comprises a first connecting edge 81 fixedly connected with the top wall 3, the fixing plate 8 further comprises a second connecting edge 82 connected with the top end of the insulating partition plate 7, and the first connecting edge 81 and the second connecting edge 82 are vertically L-shaped, so that the fixing plate 8 can be conveniently made of angle steel.
In order to facilitate the assembly and disassembly of the insulating partition plates 7, two fixing plates 8 corresponding to one insulating partition plate 7 are provided, the two fixing plates 8 are arranged in bilateral symmetry, and the top ends of the insulating partition plates 7 are clamped between the second connecting edges 82 of the two fixing plates 8. Specifically, the opposite sides of the second connecting edges 82 of the two fixing plates 8 are respectively provided with arc-shaped grooves extending front and back, the top end of the insulating partition plate 7 is provided with a cylinder 71 extending front and back, the insulating partition plate 7 is inserted between the arc-shaped grooves of the two fixing plates 8 from front to back through the cylinder 71, and the cylinder 71 is matched with the arc-shaped grooves in a positioning manner, so that the insulating partition plate 7 is limited to move up and down, and the insulating partition plate 7 is equivalently hung on the two fixing plates 8.
As shown in fig. 3, a larger space is provided between the bottom end of the insulating partition plate 7 and the bottom wall 4, a space is also provided between the front end of the insulating partition plate 7 and the front side wall 5, and the rear end of the insulating partition plate 7 is abutted to the rear side wall 6, that is, the size of the insulating partition plate 7 is moderate, and it is sufficient to isolate the three-phase high-voltage side device, so that not only can the material be saved, the structure is compact, but also the overhaul or other operations in the high-voltage chamber are not affected.
Meanwhile, in order to ensure a better isolation effect, the front and rear width of the insulating partition 7 is greater than a half of the distance between the front and rear side walls, so that a front door (not shown in the figure) is arranged on the front side wall 5 in order to facilitate the installation of the insulating partition 7, and the insulating partition 7 is inserted between the two fixing plates 8 from front to rear when the front door is opened.
In addition, the dehumidifier 9 is provided with a humidity sensor and a heater, and the heater is automatically started when the humidity sensor detects that the humidity is greater than a certain value. In order to facilitate the arrangement of the dehumidifier 9 and avoid the influence of the dehumidifier 9 on high-voltage side devices, the dehumidifier 9 is fixed at the lower position of the left side wall 1, and the distance from the dehumidifier 9 to the bottom wall 4 is less than the distance from the bottom end of the insulating partition 7 to the bottom wall 4, so as to ensure the overall dehumidifying effect of the high-voltage chamber.
According to the invention, the insulating partition plates are arranged in the high-voltage chamber, so that the parts of the high-voltage side devices of each phase, which are connected with the cable connectors, are isolated, therefore, when some condensation is generated, but the dehumidifier is not started, a good physical isolation effect can be achieved, interphase discharge and cable connector burnout can be avoided, and the reliability of operation of the box transformer substation is ensured. The invention provides a new solution for adapting box type transformer equipment to environments with large day and night temperature difference, humid climate and the like, increases the safety and reliability of box type transformer operation, reduces the damage caused by discharge, and reduces the operation and maintenance cost.
In other embodiments of the box-type transformer high-voltage chamber for preventing discharge, the bottom end of the insulating partition plate may abut against the bottom wall, or the front end of the insulating partition plate may abut against the front side wall, or a space may be provided between the rear end of the insulating partition plate and the rear side wall.
In other embodiments of the high-voltage chamber of the box transformer for preventing the electric discharge, the dehumidifier may be fixed at a position lower than the right side wall, or at a position lower than the front side wall, or at a position lower than the rear side wall, or at a position higher than the top wall, or at a position higher than the bottom wall.
In other embodiments of the electrical discharge prevention box transformer substation high-voltage chamber, the distance from the dehumidifier to the bottom wall may be equal to the distance from the bottom end of the insulating partition plate to the bottom wall, or in the case of a sufficient size of the high-voltage chamber, the distance from the dehumidifier to the bottom wall may be greater than the distance from the bottom end of the insulating partition plate to the bottom wall.
In other embodiments of the box-to-transformer high-voltage chamber for preventing discharge, the front and rear width of the insulating partition plate can be less than half of the distance between the front and rear side walls, and at this time, the installation of the insulating partition plate can be completed in the high-voltage chamber without arranging a front door on the front side wall.
In other embodiments of the high-voltage chamber of the box transformer substation for preventing discharge, the insulating partition plate can be not in a plug-in mounting mode, namely the top of the insulating partition plate is not provided with a cylinder, the insulating partition plate is integrally a flat plate, an arc-shaped groove is not formed in the two fixing plates at the moment, and the top end of the insulating partition plate is directly clamped between the two fixing plates and is fixedly connected with the fixing plates through bolts.
In other embodiments of the box-type transformer high-voltage chamber for preventing electric discharge, only one fixing plate may be provided for one insulating partition plate, the first connecting edge of the fixing plate is fixed on the top wall, and the second connecting edge is directly and fixedly connected with the top end of the insulating partition plate through a bolt.
In other embodiments of the discharge-proof box-transformer high-voltage chamber, the first connecting edge of the fixing plate may be fixed on the rear side wall, the bottom wall or the front side wall.
In another embodiment of the box-type transformer high-voltage chamber for preventing discharge, the insulating partition plate may be directly fixed in the high-voltage chamber without a fixing plate, and in this case, a connecting structure fixedly connected to one wall of the high-voltage chamber may be directly provided at an end portion of the insulating partition plate.
The embodiment of the box-type transformer in the invention is as follows: the box-type transformer comprises a transformer chamber, a low-voltage chamber and a discharge-preventing box high-voltage chamber, wherein the discharge-preventing box high-voltage chamber is the same as the discharge-preventing box high-voltage chamber in the embodiment, and the description is not repeated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (10)
1. A box-to-substation high voltage chamber to prevent electrical discharge, comprising:
a top wall;
a bottom wall;
front, back, left and right side walls;
the three-phase high-voltage side devices are arranged on the rear side wall, and the high-voltage side devices of all phases are arranged at left and right intervals;
a dehumidifier;
its characterized in that, the case that prevents to discharge becomes high-voltage chamber still includes:
and two insulating partition plates are arranged and are respectively positioned between the two adjacent high-voltage side devices and used for isolating the parts of the high-voltage side devices of each phase connected with the cable joints.
2. The high voltage chamber of claim 1, further comprising a fixing plate for fixing the insulating partition, wherein the fixing plate comprises a first connecting edge connected to the top wall, the bottom wall, or any one of the four side walls, and a second connecting edge connected to the insulating partition, and the first connecting edge and the second connecting edge are vertically L-shaped.
3. The high voltage chamber of claim 2, wherein the first connecting edge is fixed to the top wall and the second connecting edge is connected to the top end of the insulating partition.
4. The high voltage chamber of claim 3, wherein there are two fixing plates corresponding to one insulating partition, the two fixing plates are arranged symmetrically, and the top end of the insulating partition is sandwiched between the second connecting edges of the two fixing plates.
5. The box transformer high-voltage chamber for preventing electric discharge according to claim 4, wherein the opposite sides of the second connecting edges of the two fixing plates are respectively provided with arc-shaped grooves extending back and forth, the top end of the insulating partition plate is provided with a cylinder extending back and forth, the insulating partition plate is inserted between the arc-shaped grooves of the two fixing plates from front to back through the cylinder, and the cylinder is in positioning fit with the arc-shaped grooves.
6. The box-type transformer high-voltage chamber for preventing electric discharge according to claim 5, wherein the front and rear width of the insulating partition is greater than half of the distance between the front and rear side walls, a front door is provided on the front side wall, and the insulating partition is inserted between the two fixing plates from front to rear when the front door is opened.
7. The box-type transformer substation high-voltage chamber for preventing electric discharge according to any one of claims 1 to 5, wherein a space is provided between the bottom end of the insulating partition plate and the bottom wall, and the distance from the dehumidifier to the bottom wall is smaller than the distance from the bottom end of the insulating partition plate to the bottom wall.
8. The electrical discharge prevention box transformer substation high voltage chamber as claimed in claim 7, wherein the dehumidifier is fixed at a lower position of the left side wall or the right side wall.
9. The box-type substation high-voltage chamber for preventing electric discharge according to any one of claims 1 to 4, wherein a space is provided between the bottom end and the bottom wall of the insulating partition plate, a space is also provided between the front end and the front side wall of the insulating partition plate, and the rear end of the insulating partition plate abuts against the rear side wall.
10. A box transformer comprising a transformer chamber, a low voltage chamber and the discharge prevention box transformer high voltage chamber of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386183.7A CN112271606A (en) | 2020-12-01 | 2020-12-01 | Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386183.7A CN112271606A (en) | 2020-12-01 | 2020-12-01 | Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112271606A true CN112271606A (en) | 2021-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011386183.7A Pending CN112271606A (en) | 2020-12-01 | 2020-12-01 | Box-type transformer high-voltage chamber and box-type transformer capable of preventing discharge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112271606A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768255Y (en) * | 2004-12-14 | 2006-03-29 | 景盛工业有限公司 | Clapboard for high-voltage phase |
| JP2009177947A (en) * | 2008-01-24 | 2009-08-06 | Chugoku Electric Power Co Inc:The | Emergency connection circuit and connection device used for the same |
| CN101908718A (en) * | 2010-07-29 | 2010-12-08 | 云南大红山管道有限公司 | Insulating device of high voltage switch cabinet |
| CN104362522A (en) * | 2014-11-20 | 2015-02-18 | 国家电网公司 | High reliable separation cabinet device for voltage transformer of switch cabinet |
| CN206595572U (en) * | 2017-04-08 | 2017-10-27 | 黑龙江工程学院 | A kind of Novel electrical cabinet |
-
2020
- 2020-12-01 CN CN202011386183.7A patent/CN112271606A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2768255Y (en) * | 2004-12-14 | 2006-03-29 | 景盛工业有限公司 | Clapboard for high-voltage phase |
| JP2009177947A (en) * | 2008-01-24 | 2009-08-06 | Chugoku Electric Power Co Inc:The | Emergency connection circuit and connection device used for the same |
| CN101908718A (en) * | 2010-07-29 | 2010-12-08 | 云南大红山管道有限公司 | Insulating device of high voltage switch cabinet |
| CN104362522A (en) * | 2014-11-20 | 2015-02-18 | 国家电网公司 | High reliable separation cabinet device for voltage transformer of switch cabinet |
| CN206595572U (en) * | 2017-04-08 | 2017-10-27 | 黑龙江工程学院 | A kind of Novel electrical cabinet |
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Application publication date: 20210126 |
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