CN108574220A - A kind of intelligent box substation with automatic snow function - Google Patents
A kind of intelligent box substation with automatic snow function Download PDFInfo
- Publication number
- CN108574220A CN108574220A CN201710568810.0A CN201710568810A CN108574220A CN 108574220 A CN108574220 A CN 108574220A CN 201710568810 A CN201710568810 A CN 201710568810A CN 108574220 A CN108574220 A CN 108574220A
- Authority
- CN
- China
- Prior art keywords
- servo motor
- case lid
- box
- wall
- shaft
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
- H02S40/12—Means for removing snow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of intelligent box substations with automatic snow function,Including box for box-type transformer substation,Case lid,Solar panel,First rotating shaft,Second shaft,Fixed block,Driven gear,Driving gear,First servo motor,Electric cabinet,Power switch,Closure door,Pressure sensor,Second servo motor,Accumulator,PLC controller and rotary angle transmitter,It is bolted case lid at the top of the box for box-type transformer substation,It is bolted the second servo motor at the bottom interior wall center of the case lid,The driving shaft of second servo motor is connect by shaft coupling with first rotating shaft,The top of the first rotating shaft passes through the roof of case lid mounted on the bottom of fixed block,The inside of the fixed block has been bolted first servo motor,The top of the driving shaft of the first servo motor is fixed with driving gear,The box-type substation,Has the function of automatic snow,Also have the function of eliminating noise simultaneously.
Description
Technical field
The present invention relates to box-type substation technical field, specially a kind of Intelligent box type power transformation with automatic snow function
It stands.
Background technology
Box-type substation is to collect high-tension switch cabinet, transformer, low-tension switch cabinet, automatization terminal to be installed on integrated large size
Combined type controller switching equipment.Box-type substation is developed in the western developed countries such as the America and Europe of the 1960s to the seventies, has
The advantages that complete property is strong, compact-sized, aesthetic in appearance, short construction period, low, pollution-free, non-maintaining operating cost, by the world
The attention of various countries power worker.Into mid-term the 1990s, the country starts simple box-type substation, Electricity Department occur
Relevant criterion is formulated, but application is not extensive；To after the latter stage nineties, especially upgrading of rural power grids engineering startup, scientific research and development,
Manufacturing technology and scale etc. all enter high speed development, and box-type substation starts to be widely used in the necks such as city, rural area, factories and miness
Domain.
Existing box-type substation includes hyperbaric chamber, low-pressure chamber and transformer room, and head cover is provided at the top of substation,
Head cover is generally welded by proximate matter, and for the structural strength for ensureing enough, head cover consumes a large amount of proximate matter.In running environment
When encountering sleety weather, when especially winter sleet is more, a large amount of snow is deposited on head cover, on the one hand causes one to head cover
Fixed pressure, this just has higher requirement to the structural strength of head cover；On the other hand, when encountering continuous rainy weather, snow is short
It is difficult to melt in time, the corrosion head cover that the snow-broth of thawing can be slowly causes getting rusty for head cover, eventually leads to rainwater and enter change
The inside in power station influences the normal work of each component.Therefore, it is badly in need of a kind of Intelligent box type power transformation with automatic snow function
It stands, for realizing the sleet removed on top cover of box type transformer substation.
Invention content
The purpose of the present invention is to provide a kind of intelligent box substations with automatic snow function, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
In order to solve the above technical problem, the present invention provides following technical solutions：A kind of intelligence with automatic snow function
Can box-type substation, including box for box-type transformer substation, case lid, solar panel, first rotating shaft, the second shaft, fixed block, from
Moving gear, first servo motor, electric cabinet, power switch, closure door, pressure sensor, the second servo motor, stores driving gear
Battery, PLC controller and rotary angle transmitter have been bolted case lid, the case at the top of the box for box-type transformer substation
The second servo motor is bolted at the bottom interior wall center of lid, the driving shaft of second servo motor passes through shaft coupling
Device is connect with first rotating shaft, and the top of the first rotating shaft passes through the roof of case lid mounted on the bottom of fixed block, the fixation
The inside of block has been bolted first servo motor, and the top of the driving shaft of the first servo motor is fixed with driving tooth
The symmetrical both sides of wheel, the driving gear are connected with driven gear by engagement, and fixed second turn at driven gear center
Axis is each passed through the correspondence both sides outer wall of fixed block with solar panel by being welded and fixed, and is equipped in second shaft
The top inner wall insertion of rotary angle transmitter, the case lid is equipped with pressure sensor, and the bottom side of the case lid passes through bolt
It is fixed with closure door, the side of the closure door is equipped with electric cabinet, and the side of the electric cabinet is equipped with power switch, described automatically controlled
The inside of case is equipped with accumulator and PLC controller, and the shell of the case lid is made of outer wall, electric network and inner wall, the electricity
Heat supply network is fixed between outer wall and inner wall, and the pressure sensor is electrically connected the X0 input terminals of PLC controller, the PLC controls
The Y0 output ends of device processed are electrically connected first servo motor, the second servo motor and electric network, the rotary angle transmitter and electrically connect
The X1 input terminals of PLC controller are connect, the Y1 output ends of the PLC controller are electrically connected first servo motor.
Further, the PLC controller is a kind of SIMATIC S7-300PLC controllers.
Further, the outer wall is a kind of stainless steel material component.
Further, the inner wall is a kind of sandstone abatvoix material members.
Further, the driven gear is rotatablely connected with fixed block by connecting rod.
Compared with prior art, the advantageous effect of the invention reached is：The Intelligent box type with automatic snow function
Substation, when snowing, snow can be gathered in the top of case lid, and pressure sensor monitors the weight of accumulated snow in real time, when the weight of accumulated snow
When amount is more than the preset value of PLC controller, PLC controller controls first servo motor, the second servo motor and electric network work,
First servo motor works, and drives driving gear rotation, and then drives driven gear rotation, then drives the second shaft, to
Solar panel rotation is driven, rotary angle transmitter monitors the rotation angle of the second shaft in real time, when the second shaft is rotated by 90 °
When, PLC controller control first servo motor is stopped, the rotation of the second servo motor, drives first rotating shaft rotation, and then band
Dynamic fixed block rotation, to make solar panel rotate, the accumulated snow being convenient at the top of quickly cleaning case lid, electric network work, just
It is heated in for case lid, accumulated snow partial melting is prevented to be set in the top of case lid, cause snow removing difficult, be conducive to the work for promoting snow removing
Make efficiency, avoids the corrosion to case lid caused by accumulated snow is accumulated for a long time on case lid, ensure that the component in substation
Normal work, after a period of time of removing the snow, when pressure sensor detects that pressure value is less than the preset value of PLC controller, PLC controls
Device controls the second servo motor and electric network is stopped, and first servo motor drives solar cell sheet reset, convenient for conversion
Solar energy；Solar panel converts solar energy into electrical energy, and is stored in accumulator, for being used with electric device, plays section
The purpose of energy environmental protection.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the fixed block internal structure schematic diagram of the present invention；
Fig. 3 is the case lid internal structure schematic diagram of the present invention；
Fig. 4 is the case lid shell structure schematic diagram of the present invention；
Fig. 5 is the electric cabinet internal structure schematic diagram of the present invention；
Fig. 6 is the second pivot structure schematic diagram of the present invention；
In figure：1- box for box-type transformer substation；2- case lids；3- solar panels；4- first rotating shafts；The second shafts of 5-；6- is fixed
Block；7- driven gears；8- driving gears；9- first servo motors；10- electric cabinets；11- power switches；12- seals up a door；13- pressure
Sensor；The second servo motors of 14-；15- outer walls；16- electric networks；17- inner walls；18- accumulators；19-PLC controllers；20- turns
Angle transducer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 6 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of Intelligent box type power transformation with automatic snow function
It stands, including box for box-type transformer substation 1, case lid 2, solar panel 3, first rotating shaft 4, the second shaft 5, fixed block 6, driven tooth
Wheel 7, driving gear 8, first servo motor 9, electric cabinet 10, power switch 11, closure door 12, pressure sensor 13, the second servo
Motor 14, accumulator 18, PLC controller 19 and rotary angle transmitter 20, the top of box for box-type transformer substation 1 have been bolted
Case lid 2 has been bolted the second servo motor 14, the active of the second servo motor 14 at the bottom interior wall center of case lid 2
Axis is connect by shaft coupling with first rotating shaft 4, and the top of first rotating shaft 4 passes through the roof of case lid 2 mounted on the bottom of fixed block 6
The inside in portion, fixed block 6 has been bolted first servo motor 9, and the top of the driving shaft of first servo motor 9 is fixed with
The symmetrical both sides of driving gear 8, driving gear 8 are connected with driven gear 7 by engagement, and fixed at 7 center of driven gear
Second shaft 5 is each passed through the correspondence both sides outer wall of fixed block 6 with solar panel 3 by being welded and fixed, in the second shaft 5
Rotary angle transmitter 20 is installed, the top inner wall insertion of case lid 2 is equipped with pressure sensor 13, and the bottom side of case lid 2 passes through
Bolt is fixed with closure door 12, and 12 side of sealing up a door is equipped with electric cabinet 10, and the side of electric cabinet 10 is equipped with power switch 11, electricity
The inside of control case 10 is equipped with accumulator 18 and PLC controller 19, and the shell of case lid 2 is by outer wall 15, electric network 16 and inner wall 17
Composition, electric network 16 are fixed between outer wall 15 and inner wall 17, and pressure sensor 13 is electrically connected the X0 inputs of PLC controller 19
The Y0 output ends at end, PLC controller 19 are electrically connected first servo motor 9, the second servo motor 14 and electric network 16, and corner passes
Sensor 20 is electrically connected the X1 input terminals of PLC controller 19, and the Y1 output ends of PLC controller 19 are electrically connected first servo motor
9。
Further, PLC controller 19 be a kind of SIMATIC S7-300PLC controllers, have high electrical-magnetic compatibility and
Shock resistance can be used for industrial circle to the maximum extent.
Further, outer wall 15 is a kind of stainless steel material component, and outer wall 15 can be effectively prevent to corrode, influence box change
The service life in power station.
Further, inner wall 17 is a kind of sandstone abatvoix material members, has good sound-absorbing effect, can absorb and match
The noise that electric equipment generates when working.
Further, driven gear 7 is rotatablely connected with fixed block 6 by connecting rod, is convenient for the rotation of driven gear 7.
Operation principle：When snowing, snow can be gathered in the top of case lid 2, and pressure sensor 13 monitors the weight of accumulated snow in real time
Amount, when the weight of accumulated snow is more than the preset value of PLC controller 19, the control of PLC controller 19 first servo motor 9, second are watched
It takes motor 14 and electric network 16 works, first servo motor 9 works, and driving gear 8 is driven to rotate, and then drives driven gear 7
Rotation, then drives the second shaft 5, and to drive solar panel 3 to rotate, rotary angle transmitter 20 monitors the second shaft in real time
5 rotation angle, when the second shaft 5 is rotated by 90 °, PLC controller 19 controls first servo motor 9 and is stopped, and second watches
The rotation of motor 14 is taken, first rotating shaft 4 is driven to rotate, and then fixed block 6 is driven to rotate, to make solar panel 3 rotate, just
Accumulated snow in quickly 2 top of cleaning case lid, electric network 16 work, and convenient for being heated for case lid 2, accumulated snow partial melting are prevented to be set in
The top of case lid 2 causes snow removing difficult, is conducive to the working efficiency for promoting snow removing, avoids accumulated snow long-time heap on case lid 2
To the corrosion of case lid 2 caused by product, the normal work of the component in substation ensure that, after a period of time of removing the snow, pressure sensing
When device 13 detects that pressure value is less than the preset value of PLC controller 19, PLC controller 19 controls the second servo motor 14 and electric heating
Net 16 is stopped, and first servo motor 9 drives solar panel 3 to reset, and is convenient for conversion solar energy；Solar panel 3
It converts solar energy into electrical energy, is stored in accumulator 18, for being used with electric device, play energy-saving and environment-friendly purpose.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of intelligent box substation with automatic snow function, including box for box-type transformer substation（1）, case lid（2）, the sun
It can solar panel（3）, first rotating shaft（4）, the second shaft（5）, fixed block（6）, driven gear（7）, driving gear（8）, first watch
Take motor（9）, electric cabinet（10）, power switch（11）, closure door（12）, pressure sensor（13）, the second servo motor（14）, store
Battery（18）, PLC controller（19）And rotary angle transmitter（20）, it is characterised in that：The box for box-type transformer substation（1）Top
It has been bolted case lid（2）, the case lid（2）Bottom interior wall center at be bolted the second servo motor
（14）, second servo motor（14）Driving shaft pass through shaft coupling and first rotating shaft（4）Connection, the first rotating shaft（4）
Top pass through case lid（2）Roof be mounted on fixed block（6）Bottom, the fixed block（6）Inside be bolted
There is first servo motor（9）, the first servo motor（9）The top of driving shaft be fixed with driving gear（8）, the active
Gear（8）Symmetrical both sides by engagement be connected with driven gear（7）, and driven gear（7）Fixed second shaft at center
（5）It is each passed through fixed block（6）Correspondence both sides outer wall and solar panel（3）By being welded and fixed, second shaft
（5）On rotary angle transmitter is installed（20）, the case lid（2）Top inner wall insertion pressure sensor is installed（13）, described
Case lid（2）Bottom side be bolted closure door（12）, the closure door（12）Side electric cabinet is installed（10）, institute
State electric cabinet（10）Side power switch is installed（11）, the electric cabinet（10）Inside accumulator is installed（18）With
PLC controller（19）, the case lid（2）Shell by outer wall（15）, electric network（16）And inner wall（17）Composition, the electric network
（16）It is fixed on outer wall（15）And inner wall（17）Between, the pressure sensor（13）It is electrically connected PLC controller（19）X0
Input terminal, the PLC controller（19）Y0 output ends be electrically connected first servo motor（9）, the second servo motor（14）With
Electric network（16）, the rotary angle transmitter（20）It is electrically connected PLC controller（19）X1 input terminals, the PLC controller
（19）Y1 output ends be electrically connected first servo motor（9）.
2. a kind of intelligent box substation with automatic snow function according to claim 1, it is characterised in that：It is described
PLC controller（19）For a kind of SIMATIC S7-300PLC controllers.
3. a kind of intelligent box substation with automatic snow function according to claim 1, it is characterised in that：It is described
Outer wall（15）For a kind of stainless steel material component.
4. a kind of intelligent box substation with automatic snow function according to claim 1, it is characterised in that：It is described
Inner wall（17）For a kind of sandstone abatvoix material members.
5. a kind of intelligent box substation with automatic snow function according to claim 1, it is characterised in that：It is described
Driven gear（7）With fixed block（6）It is rotatablely connected by connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568810.0A CN108574220A (en) | 2017-07-13 | 2017-07-13 | A kind of intelligent box substation with automatic snow function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710568810.0A CN108574220A (en) | 2017-07-13 | 2017-07-13 | A kind of intelligent box substation with automatic snow function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108574220A true CN108574220A (en) | 2018-09-25 |
Family
ID=63576069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710568810.0A Pending CN108574220A (en) | 2017-07-13 | 2017-07-13 | A kind of intelligent box substation with automatic snow function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108574220A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0591608A (en) * | 1991-09-30 | 1993-04-09 | Mitsubishi Electric Corp | Outdoor-type enclosed switchboard |
| KR20110030845A (en) * | 2009-09-18 | 2011-03-24 | 김종찬 | Moisture prevention distributing board |
| CN204497607U (en) * | 2015-04-21 | 2015-07-22 | 国家电网公司 | A kind of box-type substation with snow removing function |
| CN205407059U (en) * | 2016-02-17 | 2016-07-27 | 王明晟 | Electric power cabinet snow removing device |
| CN205509297U (en) * | 2016-02-18 | 2016-08-24 | 浙江东仑电气科技有限公司 | Automatic block terminal of snow removing |
| CN106848881A (en) * | 2017-03-28 | 2017-06-13 | 嵇名奥 | A kind of box-type substation rain and snow device |
| CN206922296U (en) * | 2017-07-13 | 2018-01-23 | 人民电器集团上海有限公司 | A kind of intelligent box substation with automatic snow function |
-
2017
- 2017-07-13 CN CN201710568810.0A patent/CN108574220A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0591608A (en) * | 1991-09-30 | 1993-04-09 | Mitsubishi Electric Corp | Outdoor-type enclosed switchboard |
| KR20110030845A (en) * | 2009-09-18 | 2011-03-24 | 김종찬 | Moisture prevention distributing board |
| CN204497607U (en) * | 2015-04-21 | 2015-07-22 | 国家电网公司 | A kind of box-type substation with snow removing function |
| CN205407059U (en) * | 2016-02-17 | 2016-07-27 | 王明晟 | Electric power cabinet snow removing device |
| CN205509297U (en) * | 2016-02-18 | 2016-08-24 | 浙江东仑电气科技有限公司 | Automatic block terminal of snow removing |
| CN106848881A (en) * | 2017-03-28 | 2017-06-13 | 嵇名奥 | A kind of box-type substation rain and snow device |
| CN206922296U (en) * | 2017-07-13 | 2018-01-23 | 人民电器集团上海有限公司 | A kind of intelligent box substation with automatic snow function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208111998U (en) | A kind of substation with elevating function | |
| CN204465102U (en) | A kind of water proof type charging pile utilizing clean energy resource | |
| CN111600321A (en) | 10kV medium-voltage direct-hanging type energy storage power station system | |
| CN206922296U (en) | A kind of intelligent box substation with automatic snow function | |
| CN206806846U (en) | A kind of intelligent box substation with noise reduction and dehumidification function | |
| CN207149996U (en) | A kind of intelligent Combined Substation | |
| CN108011301A (en) | A kind of environmental protection and energy saving and the outdoor type switchgear with heat sinking function | |
| CN207441369U (en) | A kind of high-tension line pillar ceramic insulator | |
| CN108574220A (en) | A kind of intelligent box substation with automatic snow function | |
| CN208299310U (en) | A kind of safety-type photovoltaic box-type substation of easy access | |
| CN207701050U (en) | A kind of High-Speed Automatic rolling screen door of photo-electric control | |
| CN206595617U (en) | A kind of gas-insulated switchgear | |
| CN107453692B (en) | A kind of domestic solar solar panel | |
| CN215185064U (en) | Outdoor high-voltage switch cabinet capable of automatically cleaning accumulated snow | |
| CN209544937U (en) | A kind of 12kV integrated box type switchyard | |
| CN206225811U (en) | A kind of environmental protection and energy saving and the outdoor type switch cubicle with heat sinking function | |
| CN212908772U (en) | Draw-out type low-voltage switch cabinet | |
| CN112787226A (en) | Intelligent switch device | |
| CN208523449U (en) | A kind of agricultural planting pollen spray appliance | |
| CN219696984U (en) | Switch cabinet convenient to disassemble and examine | |
| CN215497963U (en) | Full-insulation closed ring main unit | |
| CN216085921U (en) | Outdoor waterproof type distribution switch cabinet | |
| CN220586019U (en) | Centralized sewage treatment electric control system with complementary solar energy and dual power supply for commercial power | |
| CN214590169U (en) | High-low voltage prefabricated substation | |
| CN216085728U (en) | Outdoor high-voltage board of preventing intaking |
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 |