CN209981859U - Outdoor power distribution cabinet for factory electrical control system - Google Patents
Outdoor power distribution cabinet for factory electrical control system Download PDFInfo
- Publication number
- CN209981859U CN209981859U CN201921247722.1U CN201921247722U CN209981859U CN 209981859 U CN209981859 U CN 209981859U CN 201921247722 U CN201921247722 U CN 201921247722U CN 209981859 U CN209981859 U CN 209981859U
- Authority
- CN
- China
- Prior art keywords
- power distribution
- distribution cabinet
- heat dissipation
- switch board
- fixedly connected
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 46
- 230000017525 heat dissipation Effects 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims description 41
- 238000006073 displacement reaction Methods 0.000 claims description 27
- 238000005498 polishing Methods 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an outdoor switch board for electric control system of mill, which belongs to the field of switch board equipment, and comprises a switch board body, a plurality of uniformly distributed strip-shaped heat dissipation holes are drilled at the front and the rear ends of the switch board body, a matched nano dust screen is fixedly connected in the strip-shaped heat dissipation holes, a matched rain baffle is arranged at the upper side of the strip-shaped heat dissipation holes, the rain baffle is fixedly connected with the side wall of the switch board body, driven toothed plates are arranged at the front and the rear sides of the switch board body, the upper ends of the driven toothed plates are engaged and connected with a driving gear, a pair of forward and reverse rotating motor bodies are fixedly connected at the inner ends of the switch board body, rotating holes are drilled at the front and the rear ends of the switch board body, thereby realizing the adjustment of the heat dissipation holes of the switch board, and arranging a filter screen to, so that the power distribution cabinet has dual functions of heat dissipation and dust blocking.
Description
Technical Field
The utility model relates to a switch board equipment field, more specifically say, relate to an outdoor switch board for electric control system of mill.
Background
The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load.
The electrical control system of mill is generally comparatively complicated, need often use outdoor switch board to carry out the electric energy distribution, however outdoor switch board is facing is complicated external environment, and the interior most dust of mill is more, and the inside electronic component of switch board can give out a large amount of heats when moving, the inevitable needs of switch board set up the louvre and come to realize the heat transfer with the outside air, this is the inside that the dust in the mill enters into the switch board from the louvre easily, on the one hand can corrode electronic component and shorten its life, on the other hand dust adhesion can cause resistance change in the circuit, lead to circuit current too big or even cause the short circuit, seriously threaten the normal use of switch board and the operation of mill electrical control system, in case electrical control system stops to transport and can lead to very big production loss.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an outdoor switch board for electrical control system of mill, it can realize through the adjustment to the switch board louvre to set up the filter screen and come the dust of separation mill, and regularly clear up the heat dispersion that maintains the louvre automatically, make the switch board possess the dual function of heat dissipation and ash blocking simultaneously.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An outdoor power distribution cabinet for a factory electrical control system comprises a power distribution cabinet body, wherein a plurality of uniformly distributed strip-shaped heat dissipation holes are drilled at the front end and the rear end of the power distribution cabinet body, matched nano dust screens are fixedly connected in the strip-shaped heat dissipation holes, matched rain baffles are arranged on the upper sides of the strip-shaped heat dissipation holes and are fixedly connected with the side walls of the power distribution cabinet body, driven toothed plates are arranged at the front side and the rear side of the power distribution cabinet body, the upper ends of the driven toothed plates are connected with driving gears in a meshed mode, a pair of forward and reverse rotating motor bodies are fixedly connected to the inner ends of the power distribution cabinet body, rotating holes are further drilled at the front end and the rear end of the power distribution cabinet body, the output ends of the forward and reverse rotating motor bodies penetrate through the rotating holes and extend to the outer side of the power distribution cabinet body to be, the displacement diaphragm is kept away from and is connected riser one end upside fixedly connected with fixed plate, the fixed plate is close to nanometer dust screen one end fixedly connected with cleaning brush, and cleaning brush contacts with the nanometer dust screen, the displacement diaphragm is close to switch board body one end fixedly connected with slider, both ends all cut the spout that has a plurality of evenly distributed around the switch board body, and sliding connection between slider and the spout, can realize through the adjustment to the switch board louvre to set up the filter screen and come the dust of separation mill, and regularly automatic clearance maintains the heat dispersion of louvre, make the switch board possess the dual function of heat dissipation and fender ash simultaneously.
Furthermore, the number of the displacement transverse plates is consistent with that of the strip-shaped heat dissipation holes, and the length of the displacement transverse plates is slightly longer than that of the strip-shaped heat dissipation holes, so that complete cleaning of the nanometer dust screen in the strip-shaped heat dissipation holes can be realized, and dead angles are not easy to occur.
Further, the cleaning brush comprises a plurality of flexible brush hairs, the height of the cleaning brush is consistent with the width of the strip-shaped heat dissipation holes, the cleaning brush is not easy to damage the nanometer dust screen when the dust accumulated on the surface of the nanometer dust screen is effectively cleaned, and the cleaning range can just cover the nanometer dust screen.
Furthermore, the angle of the downward inclination of the rain baffle is 30-45 degrees, the lower end of the rain baffle and the lower end wall of the adjacent strip-shaped heat dissipation hole are kept on the same horizontal plane, and the rain baffle can play a role in keeping off rain for the strip-shaped heat dissipation hole, so that external rainwater is difficult to enter the power distribution cabinet body through the strip-shaped heat dissipation hole, and meanwhile, the convection rate of the strip-shaped heat dissipation hole and external air is met to the maximum extent.
Further, the rotating hole is internally and fixedly connected with a bearing, the output end of the forward and reverse rotating motor body penetrates through the bearing and is in interference fit with the bearing, the bearing is utilized to improve the transmission stability, and then the driving gear can be in high-precision meshing transmission with the driven toothed plate.
Further, the slider is the T type, the slider outer end is connected with the layer of polishing, and the cooperation between slider and the spout not only can play the limited action to displacement diaphragm moving trajectory, improves the stability when displacement diaphragm removes, indirectly improves driven toothed plate's displacement stability simultaneously, and the setting on the layer of polishing moreover can reduce the slider frictional force when sliding in the spout.
Further, it has the magic subsides to paste between fixed plate and the cleaning brush, and the cleaning brush passes through the magic and pastes and fixed plate fixed connection, and the setting up of magic subsides makes things convenient for the technical staff to use to change after the cleaning effect reduces for a period at the cleaning brush.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme can realize through the adjustment to the switch board louvre to set up the filter screen and come the dust of separation mill, and regularly clear up the heat dispersion that maintains the louvre automatically, make the switch board possess the dual function of heat dissipation and fender ash simultaneously.
(2) The quantity of displacement diaphragm keeps unanimous with the bar louvre, and the length of displacement diaphragm slightly is longer than the bar louvre, can realize the complete clearance to the interior nanometer dust screen of bar louvre, is difficult for appearing the clearance dead angle.
(3) The cleaning brush comprises a plurality of flexible brush hairs, the height of the cleaning brush is consistent with the width of the strip-shaped heat dissipation holes, the cleaning brush is not easy to damage the nanometer dust screen when the dust accumulated on the surface of the nanometer dust screen is effectively cleaned, and the cleaning range just can cover the nanometer dust screen.
(4) The angle that the weather shield downward sloping is 30-45 degrees, and the weather shield lower extreme keeps on same horizontal plane with adjacent bar louvre lower extreme wall, and the weather shield can play the effect of keeping off the rain to bar louvre for external rainwater is difficult to enter into the switch board originally internally through bar louvre, and furthest's the convection current rate of satisfying bar louvre and outside air simultaneously.
(5) The downthehole fixedly connected with bearing of commentaries on classics, the output of motor body just reversing run through the bearing and with the bearing between interference fit, utilize the bearing to improve driven stability, and then make the driving gear can and form the high accuracy meshing transmission between the driven toothed plate.
(6) The slider is the T type, and the slider outer end is connected with the layer of polishing, and the cooperation between slider and the spout not only can play the limited action to displacement diaphragm removal orbit, improves the stability when displacement diaphragm removes, improves the displacement stability of driven toothed plate simultaneously indirectly, and the setting on the layer of polishing moreover can reduce the slider frictional force when sliding in the spout.
(7) Paste between fixed plate and the cleaning brush and have the magic subsides, and the cleaning brush passes through the magic and pastes and fixed plate fixed connection, and the setting up of magic subsides makes things convenient for the technical staff to use to change after the effect of clearing up reduces for a period at the cleaning brush.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a cross-sectional view of a side portion of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a front view of a cleaning brush portion of the present invention;
fig. 5 is a schematic view of the connection structure between the cleaning brush and the fixing plate of the present invention.
The reference numbers in the figures illustrate:
1 switch board body, 2 bar louvres, 3 weather shields, 4 driven toothed plate, 5 driving gears, 6 connection risers, 7 displacement diaphragms, 8 fixed plates, 9 nanometer dust screens, 10 positive and negative motor bodies, 11 bearings, 12 cleaning brush, 13 sliders, 14 magic subsides.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, an outdoor power distribution cabinet for a factory electrical control system comprises a power distribution cabinet body 1, wherein a plurality of uniformly distributed strip-shaped heat dissipation holes 2 are drilled at the front end and the rear end of the power distribution cabinet body 1 for convection between the inside of the power distribution cabinet body 1 and the outside air to realize the heat dissipation function, and due to the arrangement of a nanometer dust screen 9, the size of each strip-shaped heat dissipation hole 2 is slightly increased compared with the prior art, the strip-shaped heat dissipation holes 2 are internally and fixedly connected with matched nanometer dust screens 9 to block dust in a factory and prevent the dust from entering the power distribution cabinet body 1 to interfere with the operation of electronic components, the upper sides of the strip-shaped heat dissipation holes 2 are provided with matched rain shields 3, the rain shields 3 are fixedly connected with the side walls of the power distribution cabinet body 1, the downward-inclined heat dissipation holes of the rain shields 3 are 30-45 degrees, and the lower ends of the rain shields, the rain baffle 3 can play a role of rain shielding for the strip-shaped heat dissipation holes 2, so that external rainwater is difficult to enter the power distribution cabinet body 1 through the strip-shaped heat dissipation holes 2, meanwhile, the convection rate between the strip-shaped heat dissipation holes 2 and external air is met to the maximum extent, the front side and the rear side of the power distribution cabinet body 1 are respectively provided with the driven toothed plate 4, the upper end of the driven toothed plate 4 is meshed and connected with the driving gear 5, the rotary motion of the driven toothed plate 4 is converted into the horizontal linear displacement of the driving gear 5, the inner end of the power distribution cabinet body 1 is fixedly connected with a pair of forward and reverse motor bodies 10, a technician should select a motor with a proper model according to actual conditions on site, such as a yy-20s model, and is used for providing rotary driving force for the driving gear 5, rotary holes are further drilled at the front side and the rear side of the, fixedly connected with bearing 11 in the louvre, the output of motor body 10 just reversing runs through bearing 11 and with bearing 11 between interference fit, utilize bearing 11 to improve driven stability, and then make driving gear 5 can and form the high accuracy meshing transmission between the driven toothed plate 4, driven toothed plate 4 lower extreme fixedly connected with connects riser 6, play a lot of synchronous connection effect in area, fixedly connected with a plurality of evenly distributed's displacement diaphragm 7 on the 6 lateral walls of connection riser, the quantity and the strip louvre 2 of displacement diaphragm 7 keep unanimous, and the length of displacement diaphragm 7 is slightly longer than strip louvre 2, can realize the complete clearance to nanometer dust screen 9 in the strip louvre 2, the clearance dead angle is difficult to appear, all preferably 5 in this embodiment.
Referring to fig. 3-4, the upper side of the end of the displacement transverse plate 7 far from the connecting vertical plate 6 is fixedly connected with a fixing plate 8 for fixing, the end of the fixing plate 8 near the nanometer dust screen 9 is fixedly connected with a cleaning brush 12, and the cleaning brush 12 contacts with the nanometer dust screen 9 for cleaning the dust accumulated on the surface of the nanometer dust screen 9 and recovering the permeability of the nanometer dust screen 9 so as to avoid affecting the heat dissipation performance of the strip-shaped heat dissipation holes 2, the end of the displacement transverse plate 7 near the power distribution cabinet body 1 is fixedly connected with a sliding block 13, a plurality of sliding grooves which are uniformly distributed are drilled at the front and rear ends of the power distribution cabinet body 1, the sliding block 13 is in sliding connection with the sliding grooves, the sliding block 13 is T-shaped, the outer end of the sliding block 13 is connected with a polishing layer, the cooperation between the sliding block 13 and the sliding grooves not, the displacement stability of the driven toothed plate 4 is indirectly improved, and the friction force of the sliding block 13 in the sliding groove can be reduced due to the arrangement of the polishing layer.
Please refer to fig. 5, the cleaning brush 12 includes a plurality of flexible bristles, and the height of the cleaning brush 12 is consistent with the width of the strip-shaped heat dissipation holes 2, the cleaning brush 12 effectively cleans the dust accumulated on the surface of the nanometer dust screen 9, and is not easy to damage the nanometer dust screen 9, and the cleaning range can just cover the nanometer dust screen 9, the magic tape 14 is pasted between the fixing plate 8 and the cleaning brush 12, and the cleaning brush 12 is fixedly connected with the fixing plate 8 through the magic tape 14, the magic tape 14 is convenient for technical personnel to replace after the cleaning effect of the cleaning brush 12 is reduced after the cleaning brush 12 is used for a period of time.
When in use, technicians write a timing starting program into a controller of the forward and reverse rotating motor body 10, the timing starting program belongs to the prior art known by technicians in the field, specific operation and principle are not repeated, the timing starting program can be set according to actual dust phenomenon of a factory, in the embodiment, the timing starting program is preferably once a week, the forward and reverse rotating motor body 10 is started to drive the driving gear 5 to rotate clockwise during cleaning, the driven toothed plate 4 starts horizontal linear displacement under the meshing action, then the connecting vertical plate 6 drives the plurality of displacement transverse plates 7 to synchronously move, the fixing plate 8 drives the cleaning brush 12 to clean dust accumulated and blocked on the surface of the nanometer dust screen 9, the transparent action of the nanometer dust screen 9 is recovered, the phenomenon of unsmooth gas convection caused by the blockage of the nanometer dust screen 9 is improved, and the heat dissipation performance of the strip-shaped heat dissipation holes 2 is basically kept unchanged, play quick and outside air's intercommunication convection action throughout, and then make the switch board both can realize the heat dissipation demand of self and also can be in many dust environment steady operation under the outdoor environment of mill, compare with current switch board, the utility model discloses can realize through the adjustment to the switch board louvre to set up the filter screen and come the dust of separation mill, and regularly clear up the heat dispersion that maintains the louvre automatically, make the switch board possess the dual function of heat dissipation and fender ash simultaneously.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (7)
1. The utility model provides an outdoor switch board for mill's electrical control system, includes switch board body (1), its characterized in that: the power distribution cabinet is characterized in that a plurality of uniformly distributed strip-shaped heat dissipation holes (2) are drilled at the front end and the rear end of the power distribution cabinet body (1), matched nanometer dust screens (9) are fixedly connected in the strip-shaped heat dissipation holes (2), matched rain baffles (3) are arranged on the upper sides of the strip-shaped heat dissipation holes (2), the rain baffles (3) are fixedly connected with the side walls of the power distribution cabinet body (1), driven toothed plates (4) are arranged at the front side and the rear side of the power distribution cabinet body (1), driving gears (5) are meshed and connected with the upper ends of the driven toothed plates (4), a pair of forward and reverse rotating motor bodies (10) are fixedly connected at the inner ends of the power distribution cabinet body (1), rotating holes are drilled at the front end and the rear end of the power distribution cabinet body (1), and the output ends of the forward and reverse rotating motor bodies (, driven pinion rack (4) lower extreme fixedly connected with connects riser (6), a plurality of evenly distributed's of fixedly connected with displacement diaphragm (7) on connecting riser (6) lateral wall, connection riser (6) one end upside fixedly connected with fixed plate (8) are kept away from displacement diaphragm (7), fixed plate (8) are close to nanometer dust screen (9) one end fixedly connected with cleaning brush (12), and cleaning brush (12) contact with nanometer dust screen (9), displacement diaphragm (7) are close to switch board body (1) one end fixedly connected with slider (13), both ends all cut a plurality of evenly distributed's spout around switch board body (1), and sliding connection between slider (13) and the spout.
2. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: the number of the displacement transverse plates (7) is consistent with that of the strip-shaped heat dissipation holes (2), and the length of the displacement transverse plates (7) is slightly longer than that of the strip-shaped heat dissipation holes (2).
3. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: the cleaning brush (12) comprises a plurality of flexible bristles, and the height of the cleaning brush (12) is consistent with the width of the strip-shaped heat dissipation holes (2).
4. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: the downward inclination angle of the rain baffle (3) is 30-45 degrees, and the lower end of the rain baffle (3) and the lower end wall of the adjacent strip-shaped heat dissipation hole (2) are kept on the same horizontal plane.
5. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: the rotating hole is internally and fixedly connected with a bearing (11), and the output end of the forward and reverse rotating motor body (10) penetrates through the bearing (11) and is in interference fit with the bearing (11).
6. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: the slider (13) is T type, slider (13) outer end is connected with the layer of polishing.
7. An outdoor power distribution cabinet for a plant electrical control system according to claim 1, characterized in that: magic tape (14) is pasted between fixed plate (8) and cleaning brush (12), and cleaning brush (12) is through magic tape (14) and fixed plate (8) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247722.1U CN209981859U (en) | 2019-08-02 | 2019-08-02 | Outdoor power distribution cabinet for factory electrical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921247722.1U CN209981859U (en) | 2019-08-02 | 2019-08-02 | Outdoor power distribution cabinet for factory electrical control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981859U true CN209981859U (en) | 2020-01-21 |
Family
ID=69251532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921247722.1U Active CN209981859U (en) | 2019-08-02 | 2019-08-02 | Outdoor power distribution cabinet for factory electrical control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981859U (en) |
-
2019
- 2019-08-02 CN CN201921247722.1U patent/CN209981859U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209766913U (en) | Dustproof ventilation switch board | |
| CN212485851U (en) | Outdoor electric power cabinet with dustproof heat dissipation combined function | |
| CN112325227A (en) | High-rise building lateral wall solar energy environmental protection lighting device that can gather energy | |
| CN112928978A (en) | Light collecting device for building roof solar panel and using method thereof | |
| CN113031658A (en) | Environmental monitoring economizer for environmental protection engineering | |
| CN209981859U (en) | Outdoor power distribution cabinet for factory electrical control system | |
| JP2010161141A (en) | Device for cleaning solar cell module | |
| CN215835368U (en) | Photovoltaic power generation intelligent monitoring system | |
| CN113839615A (en) | Automatically cleaning photovoltaic board with dust removal function | |
| CN218068660U (en) | Photovoltaic sunlight tracking device | |
| CN216122343U (en) | Solar photovoltaic module for low-carbon agricultural greenhouse | |
| CN216289691U (en) | Intelligent power distribution box with monitoring function | |
| CN216355379U (en) | Outdoor power distribution cabinet capable of automatically cleaning dust on filter plate | |
| CN210640595U (en) | Dustproof and rainproof ventilation device for transformer substation | |
| CN213481019U (en) | Unmanned vehicle entering and exiting equipment for shuttle kiln vehicle | |
| CN210216191U (en) | Multifunctional parking apron | |
| CN210411611U (en) | Power control box for photovoltaic power generation | |
| CN212026882U (en) | Combined building structure convenient for lighting | |
| CN113114098A (en) | Solar power generation device convenient to clean | |
| CN218041340U (en) | Support frame for photovoltaic power generation with clean function | |
| CN216356642U (en) | Solar cell state monitoring equipment for agricultural photovoltaic power station | |
| CN221227485U (en) | Photovoltaic module cleaning system and photovoltaic module | |
| CN210979486U (en) | Anti-dazzle formula L ED garden lamp | |
| CN219717538U (en) | Low-voltage outdoor power distribution cabinet | |
| CN215918303U (en) | Cleaning tool for photovoltaic power station assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |