CN111452014A - Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant - Google Patents
Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant Download PDFInfo
- Publication number
- CN111452014A CN111452014A CN202010302005.5A CN202010302005A CN111452014A CN 111452014 A CN111452014 A CN 111452014A CN 202010302005 A CN202010302005 A CN 202010302005A CN 111452014 A CN111452014 A CN 111452014A
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- channel
- rotating
- photovoltaic power
- maintenance
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/0025—Means for supplying energy to the end effector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/10—Programme-controlled manipulators characterised by positioning means for manipulator elements
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a photovoltaic power station operation and maintenance channel and a photovoltaic power station with the photovoltaic power station operation and maintenance channel, wherein the photovoltaic power station operation and maintenance channel comprises a rotating chassis, a rotating axis of the rotating chassis is arranged along the vertical direction, at least two fixed channels are arranged around the periphery of the rotating chassis, and the rotating chassis is provided with a rotating channel which can be butted with the fixed channels; the photovoltaic power station operation and maintenance channel further comprises a rotary driving motor, and an output shaft of the rotary driving motor is in transmission connection with the rotary chassis. The rotating channel can rotate to be in butt joint with different fixed channels; after the operation and maintenance robot moves from one fixed channel and enters the rotating channel, the rotating chassis rotates to enable the rotating channel to be in butt joint with another fixed channel, so that the operation and maintenance robot can enter another fixed channel and is suitable for walking of various operation and maintenance robots, the operation and maintenance robot conveniently enters the channels in different directions to carry out operation and maintenance, and the operation and maintenance robot walks more flexibly.
Description
Technical Field
The invention relates to the technical field of photovoltaic power stations, in particular to an operation and maintenance channel of a photovoltaic power station and the photovoltaic power station.
Background
The operation and maintenance channel is commonly used in the photovoltaic power station, is installed on the metal roof panel in photovoltaic project construction earlier stage, and is used for personnel walking and carrying articles in project construction or later maintenance. Along with the development and the improvement of automation technology, also use intelligent fortune dimension robot more gradually to carry out fortune dimension on photovoltaic power plant, supplementary maintainer carries, automated inspection, self-cleaning etc..
However, the existing operation and maintenance channel is generally only suitable for people to walk, the walking of the operation and maintenance robot is not considered in the design, the operation and maintenance robot cannot walk flexibly or cannot walk on the operation and maintenance channel, particularly, the walking mechanism of the existing partial guide rail type operation and maintenance robot is clamped on two side surfaces of the operation and maintenance channel for limiting, the robot can only walk back and forth on the operation and maintenance channel in one direction, but when the robot walks to the crossing position of the two operation and maintenance channels, the direction cannot be changed to enter the operation and maintenance channel in the other direction, so that the application range of the operation and maintenance robot is small, and the operation and maintenance robot cannot be popularized on a large-scale photovoltaic power station.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a photovoltaic power station operation and maintenance channel.
The invention further provides a photovoltaic power station with the photovoltaic power station operation and maintenance channel.
The photovoltaic power station operation and maintenance channel comprises a rotating chassis, wherein a rotating axis of the rotating chassis is arranged along the vertical direction, at least two fixed channels are arranged around the periphery of the rotating chassis, and the rotating chassis is provided with a rotating channel which can be in butt joint with the fixed channels; the photovoltaic power station operation and maintenance channel further comprises a rotary driving motor, and an output shaft of the rotary driving motor is in transmission connection with the rotary chassis.
The photovoltaic power station operation and maintenance channel provided by the embodiment of the invention at least has the following beneficial effects: the rotary driving motor drives the rotary chassis to rotate, so that the rotary channel can rotate to be in butt joint with different fixed channels; after the operation and maintenance robot moves from one fixed channel to enter the rotating channel, the rotating chassis rotates to enable the rotating channel to be in butt joint with the other fixed channel, so that the operation and maintenance robot can enter the other fixed channel; through setting up rotatable rotation passageway, can be fit for the walking of multiple fortune dimension robot, make fortune dimension robot conveniently get into the passageway of equidirectional not and carry out fortune dimension, make fortune dimension robot walk more in a flexible way.
According to some embodiments of the present invention, the present invention further comprises a base, the rotating chassis is rotatably connected to the base, a protection box is fixedly connected to the base, and the rotating driving motor is fixedly connected to the inside of the protection box.
According to some embodiments of the present invention, a photovoltaic power generation assembly is disposed on an upper side of the protection box, a battery is disposed in the protection box, the photovoltaic power generation assembly is electrically connected to the battery, and the rotary driving motor is electrically connected to the battery.
According to some embodiments of the invention, the extension axis of the stationary channel and the extension axis of the rotary channel both intersect the axis of rotation of the rotary chassis.
According to some embodiments of the invention, the lower side of the rotating chassis is provided with a bevel gear ring at the periphery, the output shaft of the rotating drive motor is transversely arranged, and the output shaft of the rotating drive motor is fixedly connected with bevel gears which are meshed with the bevel gear ring.
According to some embodiments of the invention, there are four of the turning passages, and four of the turning passages are circumferentially and evenly distributed along the rotation axis of the rotating chassis.
According to some embodiments of the present invention, a positioning portion is disposed at an end portion of the rotating channel close to the fixed channel, and a telescopic positioning shaft capable of extending and retracting toward the positioning portion is disposed at an end portion of the fixed channel close to the rotating channel, and the telescopic positioning shaft faces the positioning portion.
According to some embodiments of the present invention, a first arc surface is disposed at an end of the rotating channel close to the fixed channel, the first arc surface protrudes toward the fixed channel, a second arc surface is disposed at an end of the fixed channel close to the rotating channel, the second arc surface is recessed toward the fixed channel, and centers of the first arc surface and the second arc surface are overlapped and both located on a rotation axis of the rotating chassis.
According to some embodiments of the present invention, a splicing passage is detachably and fixedly connected to an end of the fixed passage close to the rotating passage, and the second arc surface is disposed at an end of the splicing passage close to the rotating passage.
According to a second aspect embodiment of the invention, the photovoltaic power station comprises the photovoltaic power station operation and maintenance channel according to the first aspect embodiment of the invention.
The photovoltaic power station provided by the embodiment of the invention at least has the following beneficial effects: by adopting the photovoltaic power station operation and maintenance channel, the operation and maintenance robot can walk on the photovoltaic power station more flexibly, and the automation degree of the operation and maintenance of the photovoltaic power station is improved.
The invention is used for photovoltaic power stations.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
Fig. 1 is a schematic perspective view of an upper side of an operation and maintenance channel of a photovoltaic power station according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the front side of an operation and maintenance channel of a photovoltaic power station according to an embodiment of the present invention;
FIG. 3 is a partial perspective view of a protective enclosure according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the positioning portion and the telescopic positioning shaft according to the embodiment of the present invention.
In the drawings: 101-a base, 102-a rotating chassis, 103-a rotating channel, 104-a rotating driving motor, 105-a protective box, 106-a photovoltaic power generation assembly, 107-a battery, 108-a bevel gear ring, 109-bevel gears, 110-a first arc surface, 201-a fixed channel, 202-a splicing channel, 301-a positioning part and 302-a telescopic positioning shaft.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly defined, terms such as provided, connected and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
A photovoltaic power plant operation and maintenance channel according to an embodiment of the first aspect of the invention is described below with reference to fig. 1 to 4.
The photovoltaic power station operation and maintenance channel comprises a rotary chassis 102, the rotation axis of the rotary chassis 102 is arranged along the up-down direction, at least two fixed channels 201 are arranged around the periphery of the rotary chassis 102, and the rotary chassis 102 is provided with a rotary channel 103 which can be in butt joint with the fixed channels 201; the photovoltaic power station operation and maintenance channel further comprises a rotary driving motor 104, and an output shaft of the rotary driving motor 104 is in transmission connection with the rotary chassis 102.
The rotary driving motor 104 drives the rotary chassis 102 to rotate, so that the rotary channel 103 can rotate to be in butt joint with different fixed channels 201; after the operation and maintenance robot moves from one fixed channel 201 to enter the rotating channel 103, the rotating chassis 102 rotates to enable the rotating channel 103 to be in butt joint with another fixed channel 201, so that the operation and maintenance robot can enter the other fixed channel 201; through setting up rotatable rotation passageway 103, can be fit for the walking of multiple fortune dimension robot, make fortune dimension robot conveniently get into the passageway of equidirectional not and carry out fortune dimension, make fortune dimension robot walk more in a flexible way, enlarge fortune dimension robot's walking scope.
In some embodiments of the present invention, the present invention further comprises a base 101, the rotating chassis 102 is rotatably connected to the base 101, a shielding box 105 is fixedly connected to the base 101, and the rotating driving motor 104 is fixedly connected to the shielding box 105. The base 101 may take many forms, either a roof or a floor; the rotating chassis 102 may be provided on the upper side of the base 101, or a recess may be provided in the base 101, and the rotating chassis 102 may be provided in the recess. Because the photovoltaic power plant operation and maintenance passageway is installed in the open air, drive power supply, rotary driving motor 104 and the automatically controlled part in this technique are placed inside protective housing 105, can effectively waterproof dustproof, keep normal work. An output hole is formed in the protective box 105, and an output shaft of the rotary driving motor 104 penetrates through the rotary chassis 102 to be driven.
In some embodiments of the present invention, a photovoltaic power generation assembly 106 is disposed on the upper side of the protective box 105, a battery 107 is disposed in the protective box 105, the photovoltaic power generation assembly 106 is electrically connected to the battery 107, and the rotation driving motor 104 is electrically connected to the battery 107. The photovoltaic power generation assembly 106 is arranged on the upper side face of the protective box 105, a solar panel in the photovoltaic power generation assembly 106 faces upwards, solar power can be generated, then electric energy is stored in the battery 107, electric energy is provided for the electric control part and the rotary driving motor 104, autonomous power supply is achieved, and the solar photovoltaic power generation device can work for a long time when the outdoor power supply-free outdoor power supply is used outdoors.
In some embodiments of the invention, the extension axis of the fixed passage 201 and the extension axis of the rotating passage 103 both intersect the rotation axis of the rotating chassis 102. This arrangement accommodates the generally planar arrangement of multiple solar panels.
In some embodiments of the present invention, a bevel ring 108 is disposed on the periphery of the lower side of the rotary chassis 102, an output shaft of the rotary driving motor 104 is disposed transversely, a bevel gear 109 is fixedly connected to the output shaft of the rotary driving motor 104, and the bevel gear 109 is engaged with the bevel ring 108. The rotary driving motor 104 is arranged at the lower side of the rotary chassis 102, and the rotary driving motor 104 is transversely arranged, so that the heights of the base 101 and the rotary chassis 102 can be reduced, and the rotary driving motor can be more simply adapted to the height of the original fixed channel 201. The rotary drive motor 104 rotates the rotary base plate 102 via the bevel gears 109 and the bevel gear ring 108. The output shaft of the rotary drive motor 104 may be connected to a speed reducer, on the output shaft of which the bevel gear 109 is mounted.
In some embodiments of the present invention, there are four turning passages 103, and four turning passages 103 are circumferentially distributed along the rotation axis of the rotating base plate 102. The four rotating channels 103 are arranged, so that when the robot needs to enter the rotating channels 103, the rotating angle of the rotating chassis can be reduced, and the rotating channels 103 are quickly butted with the fixed channels 201. Since the four rotating channels 103 will intersect, the rotating channels 103 should be long enough to accommodate the operation and maintenance robot. The four rotary channels 103 and the four fixed channels 201 are arranged in the middle of the photovoltaic power station, i.e. when the fixed channels 201 are in a cross shape; at the edge position of the photovoltaic power plant, the number of fixed channels 201 is reduced, and the number of rotating channels 103 can be reduced appropriately.
In some embodiments of the invention, the rotating chassis 102 and the base 101 are both aluminum members. The aluminum material can reduce the mass of the rotary chassis 102 and the base 101, and can reduce the load of the metal roof board.
In some embodiments of the present invention, referring to fig. 4, the end of the rotating channel 103 close to the fixed channel 201 is provided with a positioning portion 301, the end of the fixed channel 201 close to the rotating channel 103 is provided with a telescopic positioning shaft 302 capable of extending and retracting towards the positioning portion 301, and the telescopic positioning shaft 302 is opposite to the positioning portion 301. The positioning portion 301 can be a circular hole or a groove, the telescopic positioning shaft 302 can be an electric telescopic rod or other driving devices capable of driving the shaft to perform telescopic motion, the telescopic positioning shaft 302 can be vertically arranged or transversely arranged, and the positioning portion 301 corresponds to the telescopic positioning shaft 302 in position. When the rotating channel 103 rotates to be in butt joint with the fixed channel 201, the telescopic positioning shaft 302 extends out and is inserted into the positioning part 301, so that the rotating channel 103 and the fixed channel 201 are positioned, and meanwhile, the telescopic positioning shaft 302 has a supporting force effect on the rotating channel 103; when the operation and maintenance robot passes through the rotating channel 103 and the fixed channel 201, the operation and maintenance robot located at the edge of the rotating chassis 102 generates a large acting force on the rotating shaft of the rotating chassis 102, and after the fixed channel 201 and the rotating channel 103 are fixed through the telescopic positioning shaft 302, the telescopic positioning shaft 302 can bear part of the acting force generated by the operation and maintenance robot on the rotating shaft of the rotating chassis 102, so that the burden of the rotating shaft of the rotating chassis 102 is reduced, and the service life is prolonged.
In some embodiments of the present invention, a first arc surface 110 is disposed at an end of the rotating channel 103 close to the fixed channel 201, the first arc surface 110 protrudes toward the fixed channel 201, a second arc surface is disposed at an end of the fixed channel 201 close to the rotating channel 103, the second arc surface is recessed toward the fixed channel 201, and centers of the first arc surface 110 and the second arc surface are overlapped and are both located on a rotation axis of the rotating chassis 102. Because the rotary channel 103 rotates on the plane with the same height as the fixed channel 201, the butt joint of the rotary channel 103 and the fixed channel 201 needs to be the first arc surface 110 and the second arc surface which are matched in shape respectively, so that the rotary channel 103 and the fixed channel 201 can rotate relatively, and the gap between the rotary channel 103 and the fixed channel 201 is small, so that the robot can stably pass through the gap.
Further, one end of the fixed channel 201 close to the rotating channel 103 is detachably and fixedly connected with a splicing channel 202, and the second arc surface is arranged at one end of the splicing channel 202 close to the rotating channel 103. The second arc surface is arranged on the splicing channel 202, so that the splicing channel 202 can be processed firstly and then is taken to the site to be installed on the fixed channel 201, the second arc surface does not need to be cut on the fixed channel 201 on the site, the processing precision of cutting the second arc surface on the site is difficult to guarantee, and the existing fixed channel 201 is convenient to modify.
In some embodiments of the present invention, the rotating channel 103 and the fixed channel 201 are both grid-type, and most of the existing maintenance channels are grid-type, so that the existing maintenance channels can be utilized to reduce the weight.
According to a second aspect of the invention, the photovoltaic power station comprises the photovoltaic power station operation and maintenance channel according to the first aspect of the invention.
According to the photovoltaic power station provided by the embodiment of the invention, by adopting the photovoltaic power station operation and maintenance channel, the operation and maintenance robot can walk on the photovoltaic power station more flexibly, the automation degree of the operation and maintenance of the photovoltaic power station is improved, and the operation and maintenance cost is reduced.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and various equivalent modifications or substitutions can be made within the knowledge of those skilled in the art without departing from the gist of the present invention, and these equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. The photovoltaic power station operation and maintenance channel is characterized by comprising a rotating chassis, wherein a rotating axis of the rotating chassis is arranged along the vertical direction, at least two fixed channels are arranged around the periphery of the rotating chassis, and the rotating chassis is provided with a rotating channel which can be in butt joint with the fixed channels; the photovoltaic power station operation and maintenance channel further comprises a rotary driving motor, and an output shaft of the rotary driving motor is in transmission connection with the rotary chassis.
2. The photovoltaic power plant operation and maintenance passageway of claim 1, further comprising a base, wherein the rotating chassis is rotatably connected with the base, a protective box is fixedly connected to the base, and the rotating driving motor is fixedly connected in the protective box.
3. The photovoltaic power plant operation and maintenance channel of claim 2, wherein a photovoltaic power generation assembly is arranged on the upper side of the protection box, a battery is arranged in the protection box, the photovoltaic power generation assembly is electrically connected with the battery, and the rotary driving motor is electrically connected with the battery.
4. The photovoltaic power plant operation and maintenance tunnel of claim 1, wherein the extension axis of the fixed tunnel and the extension axis of the turning tunnel both intersect the axis of rotation of the rotating chassis.
5. The photovoltaic power station operation and maintenance channel of claim 1, wherein an umbrella tooth ring is arranged on the periphery of the lower side of the rotating chassis, an output shaft of the rotating drive motor is transversely arranged, umbrella teeth are fixedly connected to the output shaft of the rotating drive motor, and the umbrella teeth are meshed with the umbrella tooth ring.
6. The photovoltaic power plant operation and maintenance channel of claim 1, characterized in that the rotating channels are four, and four rotating channels are circumferentially and uniformly distributed along the rotation axis of the rotating chassis.
7. The photovoltaic power plant operation and maintenance channel of claim 1, wherein a positioning portion is arranged at an end portion, close to the fixed channel, of the rotating channel, a telescopic positioning shaft capable of being telescopic towards the positioning portion is arranged at an end portion, close to the rotating channel, of the fixed channel, and the telescopic positioning shaft is right opposite to the positioning portion.
8. The photovoltaic power plant operation and maintenance passageway of claim 1, characterized in that, the tip that is close to the fixed passageway on the rotation passageway is equipped with first circular arc surface, first circular arc is towards the fixed passageway protrusion, the fixed passageway is last to be close to the one end of rotation passageway is equipped with the second circular arc surface, the second circular arc is towards the fixed passageway recess, the first circular arc surface with the centre of a circle coincidence of second circular arc surface just all is located the rotation axis of rotation chassis.
9. The photovoltaic power plant operation and maintenance passageway of claim 8, characterized in that, the one end that is close to on the fixed channel the pivoted passageway is connected with the concatenation passageway detachably fixedly, the second arc surface is located the one end that is close to on the concatenation passageway the pivoted passageway.
10. A photovoltaic power plant characterized by comprising a photovoltaic power plant operation and maintenance channel according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010302005.5A CN111452014A (en) | 2020-04-16 | 2020-04-16 | Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010302005.5A CN111452014A (en) | 2020-04-16 | 2020-04-16 | Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant |
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| Publication Number | Publication Date |
|---|---|
| CN111452014A true CN111452014A (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010302005.5A Pending CN111452014A (en) | 2020-04-16 | 2020-04-16 | Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant |
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| CN (1) | CN111452014A (en) |
Citations (9)
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| US1380433A (en) * | 1920-07-03 | 1921-06-07 | William G Stockham | Railroad-crossing |
| TW477772B (en) * | 1999-08-02 | 2002-03-01 | Asyst Technologies | Transport system with integrated transport carrier and directors |
| CN102145812A (en) * | 2011-05-24 | 2011-08-10 | 彭细桥 | Fixed rail replacement rotary disc for smoked sheet hanging vehicle of intensive curing barn |
| CN103420148A (en) * | 2012-05-14 | 2013-12-04 | 南通中集特种运输设备制造有限公司 | Turning conveying mechanism of container assembly |
| CN106480790A (en) * | 2016-12-18 | 2017-03-08 | 盐城市龙强机械制造有限公司 | Electric turntable rail relayer |
| CN107065852A (en) * | 2016-12-20 | 2017-08-18 | 杭州华电双冠能源科技有限公司 | A kind of photovoltaic plant inspection operational system and its method |
| CN208037536U (en) * | 2018-01-30 | 2018-11-02 | 云南滇凯节能科技有限公司 | A kind of tumbler effectively mating with glass transportation cart |
| CN110834339A (en) * | 2019-11-05 | 2020-02-25 | 宁波大学 | Dining room food delivery robot |
| CN212241018U (en) * | 2020-04-16 | 2020-12-29 | 佛山职业技术学院 | Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant |
-
2020
- 2020-04-16 CN CN202010302005.5A patent/CN111452014A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1380433A (en) * | 1920-07-03 | 1921-06-07 | William G Stockham | Railroad-crossing |
| TW477772B (en) * | 1999-08-02 | 2002-03-01 | Asyst Technologies | Transport system with integrated transport carrier and directors |
| CN102145812A (en) * | 2011-05-24 | 2011-08-10 | 彭细桥 | Fixed rail replacement rotary disc for smoked sheet hanging vehicle of intensive curing barn |
| CN103420148A (en) * | 2012-05-14 | 2013-12-04 | 南通中集特种运输设备制造有限公司 | Turning conveying mechanism of container assembly |
| CN106480790A (en) * | 2016-12-18 | 2017-03-08 | 盐城市龙强机械制造有限公司 | Electric turntable rail relayer |
| CN107065852A (en) * | 2016-12-20 | 2017-08-18 | 杭州华电双冠能源科技有限公司 | A kind of photovoltaic plant inspection operational system and its method |
| CN208037536U (en) * | 2018-01-30 | 2018-11-02 | 云南滇凯节能科技有限公司 | A kind of tumbler effectively mating with glass transportation cart |
| CN110834339A (en) * | 2019-11-05 | 2020-02-25 | 宁波大学 | Dining room food delivery robot |
| CN212241018U (en) * | 2020-04-16 | 2020-12-29 | 佛山职业技术学院 | Photovoltaic power plant operation and maintenance passageway and photovoltaic power plant |
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