CN111129988A - Long-life switch cabinet - Google Patents
Long-life switch cabinet Download PDFInfo
- Publication number
- CN111129988A CN111129988A CN202010056071.9A CN202010056071A CN111129988A CN 111129988 A CN111129988 A CN 111129988A CN 202010056071 A CN202010056071 A CN 202010056071A CN 111129988 A CN111129988 A CN 111129988A
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- storage box
- water storage
- inlet pipe
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000005192 partition Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a long-life switch cabinet, which comprises a cabinet body, wherein the lower end of the interior of the cabinet body is horizontally provided with a partition plate, a gap is arranged between the partition plate and the bottom surface of the cabinet body, a water storage box is arranged in the gap, the bottom surface of the cabinet body is provided with a fan, the air inlet end of the fan penetrates through the side wall of the cabinet body to the exterior of the cabinet body, the air outlet end of the fan is provided with an air inlet pipe, one end of the air inlet pipe extends into the bottom end of the interior of the water storage box, the bottom of the water storage box is paved with a plurality of air outlet pipes which are communicated with the air inlet pipe, the upper end of the air outlet pipe is provided with a plurality of air outlet holes at equal intervals along the length direction, the top of the cabinet body is provided with a plurality of inverted U-shaped pipes, one end of each U-shaped pipe extends into the interior of the cabinet body, reduce the reduction influence of high temperature to electrical equipment life-span, improve the life of cubical switchboard.
Description
Technical Field
The invention relates to the field of switch cabinets, in particular to a switch cabinet with a long service life.
Background
The switch cabinet is an electric device, the outside line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch record is arranged according to the requirement, such as an instrument, a self-control switch, a motor magnetic switch, various alternating current contactors and the like.
The inventor finds that because all the electric elements are arranged in the switch cabinet, when the electric elements are electrified to work, heat can be generated, a large amount of heat is accumulated in the distribution box for a long time, the operation of the internal electric elements is influenced, no obvious influence can be caused in a short time, and the service life of the switch cabinet can be obviously reduced when the electric elements are in the high-temperature environment for a long time.
Disclosure of Invention
In view of the above, the present invention is directed to a long-life switch cabinet, which solves all or one of the above-mentioned drawbacks of the prior art.
Based on the above purpose, the switch cabinet with long service life provided by the invention comprises a cabinet body, wherein the lower end inside the cabinet body is horizontally provided with a partition plate, a plurality of air holes are arranged on the clapboard, a gap is arranged between the clapboard and the bottom surface of the cabinet body, a water storage box is arranged in the gap, the bottom surface of the cabinet body is provided with a fan, the air inlet end of the fan penetrates through the side wall of the cabinet body to the outside of the cabinet body, an air inlet pipe is arranged at the air outlet end of the fan, one end of the air inlet pipe extends into the bottom end of the interior of the water storage box, a plurality of air outlet pipes are laid at the bottom of the water storage box and are communicated with the air inlet pipe, a plurality of air outlet holes are arranged at the upper end of each air outlet pipe along the length direction of the air outlet pipe at equal intervals, the top of the cabinet body is equipped with the U-shaped pipe of a plurality of inversions, the one end of U-shaped pipe stretches into the inside and the inner wall of the cabinet body and is equipped with the fan, the other end of U-shaped pipe is located the outside of the cabinet body.
Optionally, the top of the cabinet body is provided with a second supporting rod, the upper end of the second supporting rod is provided with a canopy, the middle of the canopy is sunken downwards, the middle of the canopy is provided with a water inlet pipe, the upper end of the water inlet pipe is communicated with the upper part of the canopy, and the lower end of the water inlet pipe penetrates through the cabinet body to the water storage box.
Optionally, the water inlet pipe is provided with an electromagnetic valve, the upper end of the inner wall of the water storage box is provided with a liquid level sensor, and the liquid level sensor is in signal connection with the electromagnetic valve.
Optionally, the outer wall of the two sides of the water storage box is provided with a linear driving device, the upper end of the water storage box is provided with a box cover, the water inlet pipe penetrates through the inside of the box cover to the water storage box, and the linear driving device is used for driving the box cover to vertically lift.
Optionally, the inner wall of the water storage box and the lower end face of the box cover are provided with heat insulation layers.
Optionally, a first supporting rod is arranged at the upper end of the rain shed, and a sun shield is arranged at the upper end of the first supporting rod.
Optionally, the bottom surface of the cabinet body is provided with a pillar, and the water storage box is fixed at the upper end of the pillar.
From the above, according to the long-life switch cabinet, external air is introduced through the fan, the external air is cooled through water in the water storage box, and internal hot air is exhausted through the fan, so that the internal environment temperature of the switch cabinet is reduced, the reduction influence of high temperature on the service life of electrical equipment is reduced, and the service life of the switch cabinet is prolonged.
Drawings
FIG. 1 is a schematic structural view of a switchgear of the present invention;
FIG. 2 is a schematic top view of the water storage box of the present invention;
fig. 3 is a schematic top view of a separator of the present invention.
Wherein 1, a cabinet body; 2. a fan; 3. a U-shaped tube; 4. a canopy; 5. a first support rod; 6. a sun visor; 7. an electromagnetic valve; 8. a water inlet pipe; 9. a partition plate; 10. a box cover; 11. a water storage box; 12. a linear drive device; 13. a thermal insulation layer; 14. an air outlet pipe; 15. an air inlet pipe; 16. a fan; 17. a pillar; 18. air holes are formed; 19. an air outlet; 20. a second supporting rod; 21. a liquid level sensor.
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 specific embodiments and the accompanying drawings.
It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are merely for convenience of description and should not be construed as limiting the embodiments of the present invention, and that the directions and positions of the terms, such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., in the present invention are only referred to the directions and positions of the attached drawings, and therefore, the directions and positions of the terms are used for illustrating and understanding the present invention, and are not used for limiting the subsequent embodiments of the present invention.
The high-service-life switch cabinet comprises a cabinet body 1, wherein a partition plate 9 is horizontally arranged at the lower end inside the cabinet body 1, a plurality of air holes 18 are formed in the partition plate 9, a gap is formed between the partition plate 9 and the bottom surface of the cabinet body 1, a water storage box 11 is arranged in the gap, a fan 16 is arranged on the bottom surface of the cabinet body 1, an air inlet end of the fan 16 penetrates through the side wall of the cabinet body 1 to the outside of the cabinet body, an air inlet pipe 15 is arranged at an air outlet end of the fan 16, one end of the air inlet pipe 15 extends into the bottom end inside the water storage box 11, a plurality of air outlet pipes 14 are laid at the bottom of the water storage box 11, the air outlet pipes 14 are communicated with the air inlet pipe 15, a plurality of air outlet holes 19 are formed in the upper end of the air outlet pipes 14 at equal intervals along the length direction of the air outlet pipes, a plurality of inverted U-, the other end of the U-shaped pipe 3 is positioned outside the cabinet body 1.
Referring to fig. 1 in combination with fig. 2 and 3, as an embodiment, the high life switch cabinet of the present invention includes a cabinet body 1, a partition plate 9 is horizontally disposed at a lower end of an interior of the cabinet body 1, for example, the partition plate 9 is connected to a side wall of the cabinet body 1 by means of bolt riveting or welding, a plurality of air holes 18 are disposed on the partition plate 9, a gap is left between the partition plate 9 and a bottom surface of the cabinet body 1, a water storage box 11 is disposed in the gap, a blower 16 is disposed on the bottom surface of the cabinet body 1, an air inlet end of the blower 16 penetrates through the side wall of the cabinet body 1 to the exterior thereof, an air outlet end of the blower 16 is provided with an air inlet pipe 15, a plurality of air outlet pipes 14 are laid at a bottom of the cabinet body 1, one end of the air outlet pipe 14 is connected to the air inlet pipe 15, a plurality of air outlet holes 19 are, one end of the U-shaped pipe 3 extends into the cabinet body 1, and the fan 2 is arranged on the inner wall of the cabinet body 1, for example, the fan 2 can be connected with the inner wall of the U-shaped pipe 3 in a bolt riveting mode, and the other end of the U-shaped pipe 3 is located outside the cabinet body 1.
For example, in the long-life switch cabinet of the invention, the electrical equipment inside the switch cabinet is arranged at the upper end of the partition board 9, cold water is added into the water storage box 11, when the temperature inside the cabinet body 1 is overhigh, the fan 16 is started, the air inlet end of the fan 16 sucks air from the outside of the cabinet body 1, the air enters the air inlet pipe 15 from the air outlet end of the fan 16, then enters the air outlet pipe 14 from the air inlet pipe 15, finally is sprayed upwards from the air outlet hole 19 formed in the air outlet pipe 14, the external air is sprayed out from the air outlet hole 19, the air passes through the cold water in the water storage box 11 and enters the inside of the cabinet body 1, when the external air passes through the cold water in the water storage box 11, the temperature is reduced, the air entering the inside of the cabinet body 1 is low in temperature, the fan 2 inside the U-shaped pipe 3 is started, the temperature inside the cabinet body 1 is raised, the quality of the hot air is light and upward floating, when, the fan 16 is to the inside cold air that injects into of the cabinet body 1, and fan 2 discharges the inside hot-air of the cabinet body 1, and both go on simultaneously, make the heat of the cabinet body 1 inside discharged fast to the inside ambient temperature who makes the cubical switchboard reduces, reduces the reduction influence of high temperature to electrical equipment life-span, improves the life of cubical switchboard.
In summary, according to the long-life switch cabinet disclosed by the invention, external air is introduced through the fan 16, the external air is cooled through water in the water storage box 11, and internal hot air is exhausted through the fan 2, so that the internal environment temperature of the switch cabinet is reduced, the reduction influence of high temperature on the service life of electrical equipment is reduced, and the service life of the switch cabinet is prolonged.
In some optional embodiments, the top of the cabinet body 1 is provided with a second supporting rod 20, the upper end of the second supporting rod 20 is provided with a canopy 4, the middle of the canopy 4 is recessed downwards, the middle of the canopy 4 is provided with a water inlet pipe 8, the upper end of the water inlet pipe 8 is communicated with the upper part of the canopy 4, and the lower end of the water inlet pipe 8 penetrates through the cabinet body 1 to the inside of the water storage box 11.
For example, the top at the cabinet body 1 is fixed to two 20 accessible welded modes of branch, and canopy 4 is fixed at the top of two 20 of branch through the welded mode, and the middle part undercut of canopy 4 also can collect the storage rainwater when keeping out rain for the cabinet body 1, and the middle part of canopy 4 is equipped with inlet tube 8, and the lower extreme of inlet tube 8 runs through the inside of the cabinet body 1 to water storage box 11, and inlet tube 8 is carried the rainwater of collecting to water storage box 11 in, need not artifical the interpolation.
In some optional embodiments, the water inlet pipe 8 is provided with an electromagnetic valve 7, the upper end of the inner wall of the water storage box 11 is provided with a liquid level sensor 21, the liquid level sensor 21 is in signal connection with the electromagnetic valve 7, the liquid level sensor 21 is used for detecting whether the water level in the water storage box 11 reaches the set height of the liquid level sensor 21, when the water level descends, the electromagnetic valve 7 is opened, the water stored in the rain shed 4 enters the water storage box 11, and when the water level reaches the required height, the electromagnetic valve 7 is closed.
In some optional embodiments, the outer walls of two sides of the water storage box 11 are provided with linear driving devices 12, the upper end of the water storage box 11 is provided with a box cover 10, the water inlet pipe 8 penetrates through the box cover 10 to the inside of the water storage box 11, the linear driving devices 12 are used for driving the box cover 10 to vertically lift, the linear driving devices 12 can adopt devices such as air cylinders, electric push rods or hydraulic cylinders, and the like, the box cover 10 is driven to lift by the linear driving devices 12 through the linear driving devices 12, when the temperature inside the cabinet body 1 is higher, the fan 16 works, the box cover 10 is driven to lift by the linear driving devices 12, the cooled air emerges from the upper end of the water storage box 11, when the temperature inside the cabinet body 1 is reduced to a preset temperature, the fan 16 stops working, the linear driving devices 12 drive the box cover 10 to lower, so that the box cover 10 covers the upper portion of the water storage box, the water is kept at a lower temperature, facilitating cooling of the sucked outside air.
In some optional embodiments, the inner wall of the water storage box 11 and the lower end surface of the box cover 10 are provided with an insulating layer 13, for example, the insulating layer 13 may be made of glass fiber, aerogel felt or vacuum plate, which further improves the insulating capability of the water storage box 11, so that the water inside can be kept at a lower temperature.
In some optional embodiments, the upper end of the canopy 4 is provided with a rod-5, the upper end of the rod-5 is provided with a sun shield 6, and the sun shield 6 reduces the sunlight radiation to which the water in the canopy 4 is exposed, so that the water storage capacity is improved.
In some optional embodiments, the bottom surface of the cabinet body 1 is provided with the pillar 17, the water storage box 11 is fixed at the upper end of the pillar 17, the cabinet body 1 is generally made of a metal material, when the temperature inside the cabinet body 1 rises, the cabinet body 1 can absorb part of heat and the temperature rises, the water storage box 11 is supported by the pillar 17, the contact area between the water storage box 11 and the cabinet body 1 is reduced, and the influence of the heat inside the cabinet body 1 on the water inside the water storage box 11 is reduced.
Those of ordinary skill in the art will understand that: the discussion of any of the embodiments above is merely exemplary and is not intended to imply that the scope of the disclosure (including the claims) is limited to these examples, that features in the above embodiments or in different embodiments may be combined, that the steps may be performed in any order, and that there are many other variations of the different aspects of the invention described above that are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. The high-service-life switch cabinet is characterized by comprising a cabinet body (1), wherein a partition plate (9) is horizontally arranged at the lower end inside the cabinet body (1), a plurality of air holes (18) are formed in the partition plate (9), a gap is formed between the partition plate (9) and the bottom surface of the cabinet body (1), a water storage box (11) is arranged in the gap, a fan (16) is arranged on the bottom surface of the cabinet body (1), an air inlet end of the fan (16) penetrates through the side wall of the cabinet body (1) to the outer portion of the cabinet body, an air inlet pipe (15) is arranged at an air outlet end of the fan (16), one end of the air inlet pipe (15) extends into the bottom end inside the water storage box (11), a plurality of air outlet pipes (14) are laid at the bottom of the water storage box (11), the air outlet pipes (14) are communicated with the air inlet pipes (15), and a plurality of air, the top of the cabinet body (1) is equipped with a plurality of U-shaped pipes (3) of invering, the one end of U-shaped pipe (3) is stretched into the inside and the inner wall of the cabinet body (1) and is equipped with fan (2), the other end of U-shaped pipe (3) is located the outside of the cabinet body (1).
2. The high-service-life switch cabinet according to claim 1, wherein a second supporting rod (20) is arranged at the top of the cabinet body (1), a canopy (4) is arranged at the upper end of the second supporting rod (20), the middle of the canopy (4) is sunken downwards, a water inlet pipe (8) is arranged at the middle of the canopy (4), the upper end of the water inlet pipe (8) is communicated with the upper part of the canopy (4), and the lower end of the water inlet pipe (8) penetrates through the cabinet body (1) to the inside of the water storage box (11).
3. The switch cabinet with the long service life as claimed in claim 2, wherein the water inlet pipe (8) is provided with an electromagnetic valve (7), the upper end of the inner wall of the water storage box (11) is provided with a liquid level sensor (21), and the liquid level sensor (21) is in signal connection with the electromagnetic valve (7).
4. The high-service-life switch cabinet according to claim 3, wherein the outer walls of two sides of the water storage box (11) are provided with linear driving devices (12), the upper end of the water storage box (11) is provided with a box cover (10), the water inlet pipe (8) penetrates through the box cover (10) to the inside of the water storage box (11), and the linear driving devices (12) are used for driving the box cover (10) to vertically lift.
5. The switch cabinet with the long service life as claimed in claim 4, wherein the inner wall of the water storage box (11) and the lower end face of the box cover (10) are provided with heat insulation layers (13).
6. Long-life switch cabinet according to claim 2, characterized in that the canopy (4) is provided at its upper end with a first strut (5), the upper end of the first strut (5) being provided with a sun visor (6).
7. The high-life switch cabinet according to claim 1, characterized in that a pillar (17) is arranged on the bottom surface of the cabinet body (1), and the water storage box (11) is fixed on the upper end of the pillar (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056071.9A CN111129988A (en) | 2020-01-17 | 2020-01-17 | Long-life switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056071.9A CN111129988A (en) | 2020-01-17 | 2020-01-17 | Long-life switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111129988A true CN111129988A (en) | 2020-05-08 |
Family
ID=70491070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056071.9A Pending CN111129988A (en) | 2020-01-17 | 2020-01-17 | Long-life switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111129988A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206401728U (en) * | 2016-12-29 | 2017-08-11 | 日照晟明电气有限公司 | It is a kind of to be used for outdoor water storage rain-proof power distribution cabinet |
| CN206864960U (en) * | 2017-06-15 | 2018-01-09 | 浙江博森电气有限公司 | A kind of heat sink for high-tension switch cabinet |
| CN206992515U (en) * | 2017-07-19 | 2018-02-09 | 临沂施乃通电气技术有限公司 | A kind of high-tension switch cabinet dehydrating unit |
| CN208401339U (en) * | 2018-07-20 | 2019-01-18 | 连云港市金牛电力设备制造有限公司 | A kind of multifunction power equipment box |
| CN209233197U (en) * | 2018-12-19 | 2019-08-09 | 云南聚控电气设备有限公司 | A kind of outdoor environmental protection metering cabinet |
-
2020
- 2020-01-17 CN CN202010056071.9A patent/CN111129988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206401728U (en) * | 2016-12-29 | 2017-08-11 | 日照晟明电气有限公司 | It is a kind of to be used for outdoor water storage rain-proof power distribution cabinet |
| CN206864960U (en) * | 2017-06-15 | 2018-01-09 | 浙江博森电气有限公司 | A kind of heat sink for high-tension switch cabinet |
| CN206992515U (en) * | 2017-07-19 | 2018-02-09 | 临沂施乃通电气技术有限公司 | A kind of high-tension switch cabinet dehydrating unit |
| CN208401339U (en) * | 2018-07-20 | 2019-01-18 | 连云港市金牛电力设备制造有限公司 | A kind of multifunction power equipment box |
| CN209233197U (en) * | 2018-12-19 | 2019-08-09 | 云南聚控电气设备有限公司 | A kind of outdoor environmental protection metering cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211046177U (en) | Intelligent box-type substation based on internet technology | |
| CN219591876U (en) | Outdoor high-low voltage power distribution cabinet with waterproof structure | |
| CN107834382A (en) | Water cooling radiating type power distribution panel | |
| CN213278798U (en) | Boats and ships electrical control cabinet | |
| CN111404037A (en) | Can drive damp looped netowrk cabinet | |
| KR101403013B1 (en) | Power receiving and distributing panel | |
| CN108633239A (en) | It is a kind of based on temperature detection in cabinet and be easy to heat dissipation electrical cabinet | |
| CN111129988A (en) | Long-life switch cabinet | |
| CN210273075U (en) | Outdoor control cabinet for solar power generation | |
| CN207098368U (en) | A kind of power transformation box with automatic dissipating heat function | |
| CN110011206A (en) | A kind of box-type substation | |
| CN113300245B (en) | Switch device | |
| CN211508265U (en) | Power distribution cabinet with good heat dissipation effect | |
| CN105954631B (en) | An electronic island tester for grid-connected inverter detection | |
| CN218958369U (en) | Outdoor sun-proof heat-insulating low-voltage switchgear | |
| CN219477305U (en) | A wireless temperature measuring device for a switch cabinet | |
| CN213584858U (en) | Transformer substation box body integrated with ventilation device | |
| CN215497726U (en) | Power cabinet | |
| CN213660975U (en) | Box type switching station | |
| CN213401995U (en) | Outdoor power distribution cabinet | |
| CN117360279A (en) | A three-dimensional integrated modular charging station and its installation method | |
| CN209001357U (en) | A kind of wisdom power grid power distribution cabinet | |
| CN219577709U (en) | Novel driving power supply | |
| CN219739588U (en) | Strong electricity power distribution cabinet for electrical engineering automation | |
| CN215071263U (en) | Intelligent box transformer substation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |