CN110137820B - Smart power grids switch board - Google Patents
Smart power grids switch board Download PDFInfo
- Publication number
- CN110137820B CN110137820B CN201910563166.7A CN201910563166A CN110137820B CN 110137820 B CN110137820 B CN 110137820B CN 201910563166 A CN201910563166 A CN 201910563166A CN 110137820 B CN110137820 B CN 110137820B
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- shell
- fixedly connected
- air bag
- pull rope
- guide wheel
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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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to the field of control cabinets, in particular to an intelligent power grid control cabinet, which comprises a protection mechanism, a shell, a baffle, a shell door, a base, a partition plate, a filter screen, an ash removal mechanism, a first air bag, a first pull rope, a drainage channel, a spring, a second air bag, an exhaust pipe, a first guide wheel, a second guide wheel, a lifting mechanism, a floating ball, a third pull rope, a third guide wheel, a second pull rope, a mounting plate, a supporting plate, a sliding mechanism, a sliding plate and a pulley, wherein the shell door is arranged on the shell door; through hoist mechanism, rise at the water level, when taking place the flood to make the floater drive the mounting panel and rise, thereby make the mounting panel rise, and guarantee through slide mechanism that the mounting panel is vertical to rise, and when the floater rises, can drive the extrusion of the second gasbag that includes in the deashing mechanism, thereby make the second gasbag blow to the mounting panel when the mounting panel rises, thereby be convenient for clear up the mounting panel, be convenient for protect the electrical component on the mounting panel.
Description
Technical Field
The invention relates to the field of control cabinets, in particular to an intelligent power grid control cabinet.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.
In the weather of some rains, the city is used for the sewer of drainage to can't carry out complete drainage to produce ponding, take place the flood even, when the flood takes place, because the switch board is installed on the street, and the installation board of installation electrical component in the switch board is for the maintenance of maintenance personal conveniently, thereby the position of installation is not very high, thereby is soaked for the water that is risen the water level easily, thereby makes the electrical component who damages in the switch board easily.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a smart grid control cabinet, which utilizes natural wind through a dust removing mechanism, so that the dust removing mechanism shrinks a second air bag under the action of the wind, and gas in the second air bag blows a mounting plate, so that dust on the mounting plate falls off from the mounting plate, thereby facilitating the protection of electric elements on the mounting plate and preventing the poor heat dissipation effect of the electric elements due to the accumulation of the dust; through hoist mechanism, rise at the water level, when taking place the flood, thereby make the floater drive the mounting panel and rise, thereby make the mounting panel rise, and guarantee the vertical rising of mounting panel through slide mechanism, and when the floater rises, can drive the extrusion of the second gasbag that includes in the deashing mechanism, thereby make the second gasbag blow to the mounting panel when the mounting panel rises, thereby be convenient for clear up the mounting panel, be convenient for protect the electric elements on the mounting panel, prevent because piling up of dust, lead to electric elements's radiating effect poor.
The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent power grid control cabinet comprises a protection mechanism, a filter screen, an ash removal mechanism, a lifting mechanism, a mounting plate, a support plate and a sliding mechanism, the protection mechanism for protecting the electric element is fixedly connected with the supporting plate for supporting, the mounting plate for mounting the electric element is connected with the protection mechanism in a sliding way through the sliding mechanism, the sliding mechanism used for sliding is fixedly connected with the mounting plate used for mounting the electric element, the filter screen used for limiting is fixedly connected with the protection mechanism used for protecting, the ash cleaning mechanism for cleaning dust on the mounting plate is fixedly connected with the protection mechanism for protection, the lifting mechanism is used for lifting, the lifting mechanism is fixedly connected with the mounting plate for mounting, the lifting mechanism is used for lifting, the lifting mechanism is slidably connected with the protection mechanism for protecting, and the lifting mechanism is used for lifting, and is fixedly connected with the ash removal mechanism for removing ash.
Specifically, protection mechanism includes casing, baffle, shell door, base and baffle, the bottom fixed connection of casing the top of base, the shell door is linked the casing, baffle fixed connection the shell door, the plane that the bottom of baffle was located is higher than the plane that the top of shell door was located, the both ends fixed connection of baffle the casing, the bottom fixed connection of baffle the base.
Specifically, slide mechanism includes slide and pulley, "protruding" font structure slide fixed connection the mounting panel, slide sliding connection the casing, the pulley rotates to be connected the slide deviates from the one end of mounting panel, pulley sliding connection the casing.
Specifically, the deashing mechanism includes first gasbag, first stay cord, spring, second gasbag, blast pipe, first leading wheel and second leading wheel, second gasbag fixed connection the casing, the one end fixed connection of spring the casing, the other end fixed connection of spring the second gasbag, first leading wheel rotates to be connected the casing, second leading wheel rotates to be connected the casing, blast pipe fixed connection the second gasbag, first stay cord sliding connection first leading wheel with the second leading wheel, the one end fixed connection of first stay cord the second gasbag, the other end fixed connection of first stay cord the first gasbag, the second gasbag is located the inside of casing, first gasbag is located the outside of casing.
Specifically, the plane that first leading wheel located is less than the plane that the second leading wheel located, be equipped with the drain of ponding outflow of being convenient for on the casing, the drain slope sets up, just the drain intercommunication the space that first leading wheel located.
Specifically, the lifting mechanism comprises a floating ball, a third pull rope, a third guide wheel and a second pull rope, the third guide wheel is rotatably connected with the shell, one end of the third pull rope is fixedly connected with the top end of the mounting plate, the other end of the third pull rope is fixedly connected with the floating ball, the floating ball is arranged in the rectangular filter screen and a containing cavity formed by the shell, the third pull rope is slidably connected with the third guide wheel and the shell, one end of the second pull rope is fixedly connected with the bottom end of the inside of the second air bag, the other end of the second pull rope is fixedly connected with the floating ball, and the second pull rope is slidably connected with the third guide wheel and the shell.
The invention has the following beneficial effects:
(1) according to the intelligent power grid control cabinet, the ash removal mechanism utilizes natural wind, so that the ash removal mechanism contracts the second air bag under the action of the wind, gas in the second air bag blows the mounting plate, and dust on the mounting plate falls off from the mounting plate, so that electric elements on the mounting plate are protected conveniently, and poor heat dissipation effect of the electric elements due to accumulation of the dust is prevented.
(2) According to the intelligent power grid control cabinet, when the water level rises and flooding occurs, the floating ball drives the mounting plate to rise through the lifting mechanism, so that the mounting plate rises, the mounting plate is ensured to vertically rise through the sliding mechanism, and the floating ball drives the second air bag in the ash removal mechanism to extrude when rising, so that the second air bag blows the mounting plate when rising, the mounting plate is convenient to clean, the electric elements on the mounting plate are convenient to protect, and the problem that the heat dissipation effect of the electric elements is poor due to accumulation of dust is solved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a smart grid control cabinet according to a preferred embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing shown in FIG. 1;
FIG. 3 is a schematic view of the communication mechanism shown in FIG. 2;
FIG. 4 is a schematic view of the coupling of the stirring mechanism and the driving mechanism shown in FIG. 3;
fig. 5 is a schematic structural view of the protection mechanism shown in fig. 1.
In the figure: 1. the protection mechanism comprises a protection mechanism 11, a shell, 12, a baffle, 13, a shell door, 14, a base, 15, a partition plate, 2, a filter screen, 3, a dust cleaning mechanism, 31, a first air bag, 32, a first pull rope, 33, a water drainage channel, 34, a spring, 35, a second air bag, 36, an exhaust pipe, 37, a first guide wheel, 38, a second guide wheel, 4, a lifting mechanism, 41, a floating ball, 42, a third pull rope, 43, a third guide wheel, 44, a second pull rope, 5, a mounting plate, 6, a support plate, 7, a sliding mechanism, 71, a sliding plate, 72 and a pulley.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-5, the smart grid control cabinet of the present invention includes a protection mechanism 1, a filter screen 2, an ash removal mechanism 3, a lifting mechanism 4, a mounting plate 5, a supporting plate 6 and a sliding mechanism 7, wherein the protection mechanism 1 for protecting electrical components is fixedly connected to the supporting plate 6 for supporting, the mounting plate 5 for mounting electrical components is slidably connected to the protection mechanism 1 through the sliding mechanism 7, the sliding mechanism 7 for sliding is fixedly connected to the mounting plate 5 for mounting electrical components, the filter screen 2 for limiting is fixedly connected to the protection mechanism 1 for protecting, the ash removal mechanism 3 for removing dust on the mounting plate 5 is fixedly connected to the protection mechanism 1 for protecting, the lifting mechanism 4 for lifting is fixedly connected to the mounting plate 5 for mounting, the lifting mechanism 4 for lifting is connected with the protection mechanism 1 for protection in a sliding mode, and the lifting mechanism 4 for lifting is fixedly connected with the ash cleaning mechanism 3 for cleaning ash.
Specifically, the protection mechanism 1 includes a housing 11, a baffle 12, a shell door 13, a base 14 and a partition 15, the bottom end of the housing 11 is fixedly connected to the top end of the base 14, the shell door 13 is linked with the housing 11, the baffle 12 is fixedly connected to the shell door 13, the plane of the bottom end of the baffle 12 is higher than the plane of the top end of the shell door 13, two ends of the partition 15 are fixedly connected to the housing 11, and the bottom end of the partition 15 is fixedly connected to the base 14; thereby be convenient for pass through baffle 12 blocks the rainwater, prevent that the rainwater from following shell door 13 with get into in the space between the casing 11, base 14 is right casing 11 improves to when preventing to rain, ponding gets into casing 11, baffle 12 also blocks the rainwater, prevents that the rainwater from getting into in the casing 11.
Specifically, the sliding mechanism 7 includes a sliding plate 71 and a pulley 72, the sliding plate 71 with a "convex" structure is fixedly connected to the mounting plate 5, the sliding plate 71 is slidably connected to the housing 11, the pulley 72 is rotatably connected to one end of the sliding plate 71 away from the mounting plate 5, and the pulley 72 is slidably connected to the housing 11; so that the moving direction of the mounting plate 5 is controlled by the sliding plate 71, thereby ensuring vertical upward and downward movement of the mounting plate 5, and the sliding of the sliding plate 71 is protected by the pulley 72.
Specifically, the ash removing mechanism 3 comprises a first air bag 31, a first pull rope 32, a spring 34, a second air bag 35, an exhaust pipe 36, a first guide wheel 37 and a second guide wheel 38, the second air bag 35 is fixedly connected with the shell 11, one end of the spring 34 is fixedly connected with the shell 11, the other end of the spring 34 is fixedly connected with the second air bag 35, the first guide wheel 37 is rotatably connected with the shell 11, the second guide wheel 38 is rotatably connected with the housing 11, the exhaust pipe 36 is fixedly connected with the second air bag 35, the first pull cord 32 is slidably connected to the first guide wheel 37 and the second guide wheel 38, one end of the first pulling rope 32 is fixedly connected with the second air bag 35, the other end of the first pulling rope 32 is fixedly connected with the first air bag 31, the second air bag 35 is arranged inside the shell 11, and the first air bag 31 is arranged outside the shell 11; so that when the wind blows the first air bag 31, the first air bag 31 pulls the first pulling rope 32 to slide between the first guide wheel 37 and the second guide wheel 38, so that the bottom end of the second air bag 35 moves towards the top end of the housing 11, so that the spring 34 is compressed, and the gas in the second air bag 35 is pressed to be discharged from the exhaust pipe 36, so that the dust accumulated on the mounting plate 5 is blown off, thereby protecting the electric elements on the mounting plate 5 and preventing the poor heat dissipation effect of the electric elements due to the accumulation of the dust.
Specifically, the plane where the first guide wheel 37 is located is lower than the plane where the second guide wheel 38 is located, a drainage channel 33 which is convenient for accumulated water to flow out is arranged on the shell 11, the drainage channel 33 is arranged in an inclined manner, and the drainage channel 33 is communicated with the space where the first guide wheel 37 is located; thereby facilitating drainage of rainwater through the drain 33 and preventing rainwater from infiltrating into the housing 11 from the positions in the housing 11 where the first and second guide wheels 37 and 38 and the first pulling rope 32 are located.
Specifically, the lifting mechanism 4 includes a floating ball 41, a third rope 42, a third guide wheel 43 and a second rope 44, the third guide wheel 43 is rotatably connected to the housing 11, one end of the third rope 42 is fixedly connected to the top end of the mounting plate 5, the other end of the third rope 42 is fixedly connected to the floating ball 41, the floating ball 41 is disposed in a containing cavity formed by the rectangular filter screen 2 and the housing 11, the third rope 42 is slidably connected to the third guide wheel 43 and the housing 11, one end of the second rope 44 is fixedly connected to the bottom end of the inside of the second air bag 35, the other end of the second rope 44 is fixedly connected to the floating ball 41, and the second rope 44 is slidably connected to the third guide wheel 43 and the housing 11; when the water level rises slowly due to a large amount of rainwater, the float 41 rises, the float 41 drives the third rope 42 and the second rope 44 to slide on the third guide wheel 43 during the rising process, so that the mounting plate 5 rises, so that the sliding plate 71 and the pulley 72 slide on the housing 11, the bottom end of the second airbag 35 is pulled by the second rope 44, so that the second airbag 35 is compressed, so that the spring 34 is compressed, and when the second airbag 35 is pressed, the gas in the second airbag 35 is discharged from the exhaust pipe 36, so that when the mounting plate 5 rises, the gas discharged from the exhaust pipe 36 blows the mounting plate 5, so that dust accumulated on the mounting plate 5 is blown down, thereby protecting the electrical components on the mounting plate 5, prevent the poor heat dissipation effect of electric elements due to the accumulation of dust.
When the air bag is used, in normal windy weather, when the first air bag 31 is blown by wind, the first air bag 31 pulls the first pull rope 32 on the first guide wheel 37 and the second guide wheel 38, so that the bottom end of the second air bag 35 moves towards the top end of the shell 11, the spring 34 is compressed, and the gas in the second air bag 35 is extruded, so that the exhaust pipe 36 is exhausted, so that dust accumulated on the mounting plate 5 is blown off, the electric elements on the mounting plate 5 are protected, poor heat dissipation effect of the electric elements due to dust accumulation is prevented, and after the wind stops, the spring 34 is expanded, so that the second air bag 35 is reset, and the next dust removal is facilitated; when the water level slowly rises due to a lot of rainwater, flooding occurs, so that the floating ball 41 rises, the floating ball 41 drives the third pull rope 42 and the second pull rope 44 to slide on the third guide wheel 43 in the rising process, so that the mounting plate 5 rises, so that the sliding plate 71 and the pulley 72 slide on the shell 11, the bottom end of the second air bag 35 is pulled by the second pull rope 44, so that the second air bag 35 is compressed, so that the spring 34 is compressed, and when the second air bag 35 is extruded, the gas in the second air bag 35 is discharged from the exhaust pipe 36, so that when the mounting plate 5 rises, the gas discharged from the exhaust pipe 36 blows the mounting plate 5, so that dust accumulated on the mounting plate 5 is blown down, thereby facilitating the protection of electric elements on the mounting plate 5 and preventing the poor heat dissipation effect of the electric elements due to the accumulation of the dust; when the water level slowly descends, the floating ball 41 descends, so that the spring 34 slowly expands, the second air bag 35 slowly resets, the mounting plate 5 also slowly descends, the bottom end of the mounting plate 5 abuts against the supporting plate 6, the mounting plate 5 resets, and maintenance personnel can conveniently overhaul.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a smart power grids switch board which characterized in that: including protection mechanism (1), filter screen (2), deashing mechanism (3), hoist mechanism (4), mounting panel (5), backup pad (6) and slide mechanism (7), be used for protecting electric elements protection mechanism (1) fixed connection is used for supporting backup pad (6), be used for installing electric elements mounting panel (5) are passed through slide mechanism (7) sliding connection protection mechanism (1), be used for gliding slide mechanism (7) fixed connection is used for installing electric elements mounting panel (5), be used for spacingly filter screen (2) fixed connection is used for protecting protection mechanism (1), be used for driving the dust on mounting panel (5) deashing mechanism (3) fixed connection is used for protecting protection mechanism (1), be used for promoting hoist mechanism (4) fixed connection is used for installing mounting panel (5), the lifting mechanism (4) for lifting is connected with the protection mechanism (1) for protection in a sliding manner, and the lifting mechanism (4) for lifting is fixedly connected with the ash cleaning mechanism (3) for cleaning ash;
the protection mechanism (1) comprises a shell (11), a baffle (12), a shell door (13), a base (14) and a partition plate (15), wherein the bottom end of the shell (11) is fixedly connected with the top end of the base (14), the shell door (13) is linked with the shell (11), the baffle (12) is fixedly connected with the shell door (13), the plane where the bottom end of the baffle (12) is located is higher than the plane where the top end of the shell door (13) is located, two ends of the partition plate (15) are fixedly connected with the shell (11), and the bottom end of the partition plate (15) is fixedly connected with the base (14);
the sliding mechanism (7) comprises a sliding plate (71) and a pulley (72), the sliding plate (71) with a convex structure is fixedly connected with the mounting plate (5), the sliding plate (71) is connected with the shell (11) in a sliding manner, the pulley (72) is rotatably connected with one end of the sliding plate (71) departing from the mounting plate (5), and the pulley (72) is connected with the shell (11) in a sliding manner;
the ash removal mechanism (3) comprises a first air bag (31), a first pull rope (32), a spring (34), a second air bag (35), an exhaust pipe (36), a first guide wheel (37) and a second guide wheel (38), the second air bag (35) is fixedly connected with the shell (11), one end of the spring (34) is fixedly connected with the shell (11), the other end of the spring (34) is fixedly connected with the second air bag (35), the first guide wheel (37) is rotatably connected with the shell (11), the second guide wheel (38) is rotatably connected with the shell (11), the exhaust pipe (36) is fixedly connected with the second air bag (35), the first pull rope (32) is slidably connected with the first guide wheel (37) and the second guide wheel (38), one end of the first pull rope (32) is fixedly connected with the second air bag (35), the other end of the first pull rope (32) is fixedly connected with the first air bag (31), the second air bag (35) is arranged inside the shell (11), and the first air bag (31) is arranged outside the shell (11).
2. The smart grid control cabinet of claim 1, wherein: the plane that first leading wheel (37) were located is less than the plane that second leading wheel (38) were located, be equipped with drain (33) that the ponding of being convenient for flowed out on casing (11), drain (33) slope sets up, and drain (33) intercommunication the space that first leading wheel (37) were located.
3. The smart grid control cabinet of claim 2, wherein: the lifting mechanism (4) comprises a floating ball (41), a third pull rope (42), a third guide wheel (43) and a second pull rope (44), the third guide wheel (43) is rotationally connected with the shell (11), one end of the third pull rope (42) is fixedly connected with the top end of the mounting plate (5), the other end of the third pull rope (42) is fixedly connected with the floating ball (41), the floating ball (41) is arranged in a containing cavity formed by the rectangular filter screen (2) and the shell (11), the third pull rope (42) is connected with the third guide wheel (43) and the shell (11) in a sliding way, one end of the second pull rope (44) is fixedly connected with the bottom end of the inner part of the second air bag (35), the other end of the second pull rope (44) is fixedly connected with the floating ball (41), the second pull rope (44) is connected with the third guide wheel (43) and the shell (11) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563166.7A CN110137820B (en) | 2019-06-26 | 2019-06-26 | Smart power grids switch board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563166.7A CN110137820B (en) | 2019-06-26 | 2019-06-26 | Smart power grids switch board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137820A CN110137820A (en) | 2019-08-16 |
| CN110137820B true CN110137820B (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910563166.7A Active CN110137820B (en) | 2019-06-26 | 2019-06-26 | Smart power grids switch board |
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| Country | Link |
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| CN (1) | CN110137820B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350415B (en) * | 2019-08-26 | 2020-08-11 | 扬州市鸣庆电气设备有限公司 | Power distribution cabinet for electric power capable of blowing, cooling and dedusting |
| CN111106555B (en) * | 2020-01-15 | 2021-05-25 | 安徽明远电力设备制造有限公司 | Heat dissipation switch board |
| CN111694164B (en) * | 2020-06-24 | 2022-05-20 | 重庆电子工程职业学院 | Intelligent cultural relic display system |
| CN113794136A (en) * | 2021-09-26 | 2021-12-14 | 江苏恒太照明股份有限公司 | Emergency lighting distribution device case |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09276813A (en) * | 1996-04-18 | 1997-10-28 | Kanto Auto Works Ltd | Cleaning tool |
| US6088225A (en) * | 1998-03-17 | 2000-07-11 | Northern Telecom Limited | Cabinet with enhanced convection cooling |
| CN207368467U (en) * | 2017-11-10 | 2018-05-15 | 福建雄风电气有限公司 | A kind of metering cabinet of energy automatic ash removing |
| CN108092147A (en) * | 2017-12-27 | 2018-05-29 | 陈佳微 | A kind of outdoor electricity distribution cabinet of automatic cleaning dust |
| CN207753325U (en) * | 2017-12-29 | 2018-08-21 | 浙江中电开关有限公司 | A kind of Medium Voltage Switchgear on-line early warning device |
| CN108173149A (en) * | 2018-01-19 | 2018-06-15 | 储昭汉 | A kind of adjustable space multifunction power cabinet |
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2019
- 2019-06-26 CN CN201910563166.7A patent/CN110137820B/en active Active
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Effective date of registration: 20200907 Address after: 0902, building 1, yard 8, Longyu North Street, Huilongguan town, Changping District, Beijing 100096 Applicant after: BEIJING INNOVATION FAMETAL EQUIPMENT Co.,Ltd. Address before: Wu Tan 246200 Anhui city of Anqing province Wangjiang County Liang Quan Xiang Han Village No. 1275 Applicant before: He Jie |
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