CN210111674U - Photovoltaic pavement control system - Google Patents
Photovoltaic pavement control system Download PDFInfo
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- CN210111674U CN210111674U CN201920617500.8U CN201920617500U CN210111674U CN 210111674 U CN210111674 U CN 210111674U CN 201920617500 U CN201920617500 U CN 201920617500U CN 210111674 U CN210111674 U CN 210111674U
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model discloses a photovoltaic road surface control system, control system includes: the photovoltaic array is formed by connecting a plurality of photovoltaic modules in series or in parallel and is used for converting solar energy into electric energy or heating; the detection device is electrically connected with the photovoltaic array and used for detecting a road surface signal; the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power, storing the electric energy or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix; and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device. The system has real-time performance; and need not to change current photovoltaic module structure, need not to apply the cable, reduced the loss of light intensity transmissivity, solved when increasing extra resistance wire and attached material the subassembly luminousness that arouses reduce, the technology complexity increases, cost increase scheduling problem.
Description
Technical Field
The utility model relates to a photovoltaic technology field especially relates to a photovoltaic road surface control system.
Background
For the photovoltaic power station, the accumulated snow can cause the shielding of sunlight, and then the photovoltaic module is influenced to generate electricity. To oblique unipolar photovoltaic power plant, when only the latter half has snow on the photovoltaic module, still can cause hot spot effect, sheltered from the unable electricity generation of part, phenomenon such as whole subassembly all can't generate electricity even. Therefore, the accumulated snow needs to be removed periodically.
To traditional photovoltaic power plant, generally adopt artifical mechanical snow removing mode, to large-scale photovoltaic power plant, snow removing work load is very big, wastes time and energy, and snow removing work can't go on in real time. Other mechanical snow removing modes also comprise a robot hand section and the like.
The other is that the snow removal is carried out by adopting a thermal energy conversion mode, and when snow is detected in the assembly by means of laying an electric heating wire and the like near the photovoltaic assembly, such as a back plate, a resistance wire heating mode is adopted.
For photovoltaic roads developed at present, the snow removal method also includes other traditional road snow removal methods, such as spreading of snow dissolving agent and the like.
Generally, mechanical snow removing modes such as manual operation or robots are adopted, the snow removing workload is very large, time and labor are wasted, the snow removing work cannot be carried out in real time, and damage to the surface of the photovoltaic module is easily caused.
The snow removing mode of resistance wire heating needs to mat formation heating cable near every photovoltaic module, to having photovoltaic power plant, and it is very big to reform transform work load, to newly-built photovoltaic power plant, also has the installation inconvenient, shortcoming such as the cost is great.
For the traditional road snow removing mode of the photovoltaic road, for example, snow dissolving agent is spread. The snow removing technology of the snow melting agent has the defect that harmful substances in the snow melting agent easily corrode road materials, photovoltaic module materials, motor vehicles and the like, and further influence the service performance of the final pavement.
Disclosure of Invention
In order to solve above-mentioned traditional approach ice and snow melt consuming time hard do not have the real-time and lay heating cable's the technical problem that the complexity is high, the temperature is inhomogeneous, the utility model provides a photovoltaic road surface control system.
According to the utility model discloses an aspect provides a photovoltaic road surface control system, control system includes:
the photovoltaic array is formed by connecting a plurality of photovoltaic modules in series or in parallel and is used for converting solar energy into electric energy and heating;
the detection device is electrically connected with the photovoltaic square array and used for detecting a road surface signal;
the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to a mains supply for power storage or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix;
and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device.
The utility model forms a photovoltaic pavement control system by arranging a photovoltaic square matrix, a detection device, a power storage and supply device and a control device, wherein the photovoltaic square matrix is used for converting solar energy into electric energy and generating heat; the detection device is electrically connected with the photovoltaic array and used for detecting a road surface signal; the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power for power storage or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix; and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device so as to control whether the photovoltaic square matrix generates heat or not. The photovoltaic pavement control system can control the photovoltaic matrix to normally perform photoelectric conversion under the condition that ice and snow do not exist on the pavement, can supply power to the photovoltaic matrix to heat the photovoltaic matrix to melt ice and snow under the condition that the ice and snow exist on the pavement, and has real-time performance; and need not to change current photovoltaic module structure, need not to apply the cable, reduced the loss of light intensity transmissivity, solved when increasing extra resistance wire and attached material the subassembly luminousness that arouses reduce, the technology complexity increases, cost increase scheduling problem.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic view of a photovoltaic pavement control system provided by an embodiment of the present invention;
fig. 2 is a schematic view of another photovoltaic pavement control system provided by an embodiment of the present invention;
fig. 3 is a schematic view of another photovoltaic pavement control system provided by an embodiment of the present invention.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Fig. 1 is a schematic view of a photovoltaic pavement control system provided by an embodiment of the present invention, as shown in fig. 1, a control system 10 includes:
the photovoltaic array 101 is formed by connecting a plurality of photovoltaic modules in series or in parallel and is used for converting solar energy into electric energy or heating;
the photovoltaic module can be a monocrystalline silicon module, a polycrystalline silicon module, a silicon thin film module, a copper indium gallium indium battery module, a cadmium telluride battery module and other photovoltaic modules with photovoltaic effect.
A plurality of solar cells (N respectively)1Solar cell, N2Solar cell, N3Solar cells … …) may be connected in series or in parallel, where in series, N may be connected using interconnect strips or electrodes of the cells themselves1Negative electrode and N of solar cell2The positive electrodes of the solar cells are connected, N2Negative electrode and N of solar cell3Connecting the positive electrodes of the solar cells, and finally connecting N1The positive electrode of the solar cell and the negative electrode of the last solar cell are led out to form the positive electrode and the negative electrode of the assembly; when two batteries need to be connected in series and in parallel in the assembly, M needs to be connected1Positive electrode of solar cell, and M2Positive electrodes of solar cells are connected, M1Cathode and M of solar cell string2The negative electrodes of the solar cells are connected, namely a parallel connection structure of two solar cells is formed, the parallel connection of a plurality of solar cells is the same reason, and finally the positive and negative electrodes after parallel connection are led out, namely the positive and negative electrodes of the battery pack are formed.
The detection device 102 is electrically connected with the photovoltaic array and used for detecting a road surface signal;
the power storage and supply device 103 is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power for power storage or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix;
and the control device 104 is electrically connected with the detection device and the power storage and supply device respectively and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device so as to control whether the photovoltaic square matrix generates heat or not.
The utility model forms a photovoltaic pavement control system by arranging a photovoltaic square matrix, a detection device, a power storage and supply device and a control device, wherein the photovoltaic square matrix is used for converting solar energy into electric energy and generating heat; the detection device is electrically connected with the photovoltaic array and used for detecting a road surface signal; the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power for power storage or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix; and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device so as to control whether the photovoltaic square matrix generates heat or not. The photovoltaic pavement control system can control the photovoltaic matrix to normally perform photoelectric conversion under the condition that ice and snow do not exist on the pavement, can supply power to the photovoltaic matrix to heat the photovoltaic matrix to melt ice and snow under the condition that the ice and snow exist on the pavement, and has real-time performance; and need not to change current photovoltaic module structure, need not to apply the cable, reduced the loss of light intensity transmissivity, solved when increasing extra resistance wire and attached material the subassembly luminousness that arouses reduce, the technology complexity increases, cost increase scheduling problem.
Fig. 2 is another photovoltaic pavement control system schematic diagram that the embodiment of the utility model provides a, as shown in fig. 2, store up power supply unit and include:
the inverter 201 is electrically connected with the photovoltaic square matrix 101 and is used for converting direct current into alternating current;
the inverter is a device for converting direct current electric energy (batteries and storage batteries) into alternating current (generally 220V, 50Hz sine wave), specifically a photovoltaic grid-connected inverter, and outputs single-phase or three-phase alternating current.
The rectifying device 202 is electrically connected with the photovoltaic array;
the rectifying device comprises a rectifying circuit, alternating current is obtained through a grid-connected point, direct current is generated through the rectifying circuit, and the voltage range is adjustable from 0V to 1000V. The rectifying device mainly comprises a controllable rectifying circuit, and the controllable rectifying circuit has two working modes, namely, PV + and PV-output direct-current voltage to heat the photovoltaic module; secondly, PV + voltage is detected, when the PV + voltage is 0V, positive high voltage is output to PV < - > to complete the PID repair function, and the switching of the two working modes is completed by the interior of the rectifying device; the two modes of operation operate independently.
The grid-connected cabinet 203 is respectively electrically connected with the control device and the commercial power 204, and is selectively and electrically connected with the inverter 201 or the rectifying device 202 under the control of the control device;
solar photovoltaic power generation is based on a solar cell module, and utilizes the electronic characteristics of semiconductor materials to convert light energy into electric energy. The grid-connected cabinet converts received solar radiation energy into high-voltage direct current after high-frequency direct current conversion through the photovoltaic array, and sine alternating current with the same frequency and phase as the mains voltage is output to the mains supply after inversion of the inverter.
The grid-connected cabinet is mainly composed of a grid-connected switch and other protection devices, and in addition, the grid-connected cabinet also comprises a change-over switch which can be switched to an inverter or a rectifying device.
When the control device controls the grid-connected cabinet to be electrically connected with the inverter, the grid-connected cabinet converts alternating current output by the inverter into sinusoidal alternating current with the same frequency and phase as the voltage of the mains supply and outputs the sinusoidal alternating current to the mains supply; when the control device controls the grid-connected cabinet to be disconnected from the electric connection with the inverter and is electrically connected with the rectifying device, the rectifying device converts the sine alternating current in the grid-connected cabinet into high-voltage direct current and outputs the high-voltage direct current to the photovoltaic square matrix to supply power to the photovoltaic square matrix, so that the photovoltaic square matrix generates heat.
Further, the detection device includes: and the temperature sensor 205 is electrically connected with the photovoltaic module and used for detecting a temperature signal of the road surface.
The control device includes: the information processor 207 is electrically connected with the temperature sensor and used for processing the temperature signal output by the temperature sensor to obtain the temperature information of the road surface; and the control generator 208 is electrically connected with the information processor and the grid-connected cabinet respectively and is used for controlling the power supply voltage and the power supply current of the photovoltaic square matrix as the storage and power supply device according to the temperature information.
Further, the detection device further comprises: and the pressure sensor 206 is electrically connected with the photovoltaic module and is used for detecting a pressure signal of the road surface.
Further, the control device includes: an information processor 207, electrically connected to the temperature sensor and the pressure sensor, respectively, for processing the temperature information output by the temperature sensor 205 and the pressure information output by the pressure sensor 206, and obtaining the temperature information and the pressure information of the road surface; and the control generator 208 is electrically connected with the information processor 207 and the grid-connected cabinet 203 respectively and is used for controlling the grid-connected cabinet 203 to be selectively and electrically connected with the inverter 201 or the rectifying device 202 according to the temperature information and the pressure information.
When the information processor processes the temperature signal output by the temperature sensor and the pressure signal output by the pressure sensor to obtain temperature information and pressure information of a road surface, the control generator judges whether ice and snow exist on the road surface according to the temperature information and the pressure information, for example, when the obtained temperature information is smaller than a preset temperature threshold value and the pressure information is larger than a preset pressure threshold value, the ice and snow exist on the road surface can be judged, the control generator controls a change-over switch in a grid-connected cabinet to be switched to a rectifying device, so that the grid-connected cabinet is electrically connected with the rectifying device, the photovoltaic square matrix stops photoelectric conversion and cannot be subjected to grid-connected power generation, the rectifying device obtains alternating current from a grid-connected point, and the adjustable direct current with the voltage range of 0-1000V is generated through an internal rectifying circuit to supply power for the photovoltaic square matrix, so that the. When the obtained temperature information is not less than the preset temperature threshold value and the pressure information is not more than the preset pressure threshold value, it can be judged that ice and snow do not exist on the road surface, at the moment, the control generator controls the change-over switch in the grid-connected cabinet to be switched to the inverter, so that the grid-connected cabinet is electrically connected with the inverter, the photovoltaic square matrix performs photoelectric conversion, and the photovoltaic grid-connected power generation function is realized through the inverter.
Further, the control system further comprises: and a display 209 electrically connected to the control generator 208 for displaying road surface information, wherein the road surface information includes: temperature information, pressure information, information on whether or not there is ice or snow, and the like.
Further, the control system further comprises: and an isolation transformer 301, wherein the isolation transformer 301 is electrically connected with the grid-connected cabinet 203 and the mains supply 204 respectively.
The setting mode of isolation transformer is as shown in fig. 3, and fig. 3 is the embodiment of the utility model provides a photovoltaic road surface control system schematic diagram of another kind. The isolation transformer is a transformer with an input winding and an output winding electrically isolated from each other, is used for avoiding the danger caused by accidentally touching a charged body (or a metal part possibly charged due to insulation damage) and the ground at the same time, has the same principle as a common dry-type transformer, and mainly isolates a primary power supply loop and a secondary loop floats to the ground by using the electromagnetic induction principle so as to ensure the safety of power utilization.
Usually, the ac power supply voltage is connected to earth by one line and 220V potential difference is between the other line and earth. Human contact can cause electric shock. And the secondary of the isolation transformer is not connected with the ground, and any two lines of the isolation transformer have no potential difference with the ground. People can not get an electric shock when touching any line, so that the safety is high.
The output end and the input end of the isolation transformer are completely 'broken circuit' isolated, so that the input end (mains supply voltage) of the transformer is effectively filtered. Thus providing a clean supply voltage to the consumer.
In other words, after the photovoltaic module 1 and the photovoltaic module N … are connected in series or in parallel, a photovoltaic square matrix is formed, the photovoltaic square matrix is connected with an inverter, the optical current output by the inverter is connected to a grid-connected cabinet through an alternating current cable, and then is boosted through an isolation transformer to be connected with commercial power, so that the grid-connected function is realized.
The photovoltaic road surface control system comprises the grid-connected system, and also comprises a temperature sensor, a pressure sensor and a photovoltaic module which are combined for use, wherein signals detected by the temperature sensor and the pressure sensor are transmitted to an information processor through a communication cable, and a detection result is generated after the signals are processed. The display is connected with the control generator, real-time online display control generator's processing result, including temperature information, pressure information and whether have ice and snow information etc. makes things convenient for the user to know road surface ice and snow situation in real time.
On the other hand, after the information processor detects the snow icing result, the result is fed back to the control generator to generate a control instruction for controlling the on/off of the rectifying circuit in the rectifying device, namely, whether a switch in the grid-connected cabinet is switched to the rectifying device or not is controlled, when the switch is switched to the rectifying device, the rectifying circuit is on, and when the switch is switched to the inverter, the rectifying circuit is off.
When the rectification circuit is started, alternating current obtained by the grid-connected cabinet forms high-voltage direct current through the rectification circuit, the positive electrode and the negative electrode of the high-voltage direct current are respectively connected with the positive electrode PV + and the negative electrode PV-, positive bias voltage and negative bias voltage are applied to the PV + and PV-, conduction current is formed inside the photovoltaic square array due to a PN forward conduction mechanism, and the magnitude of the current is determined by the direct current voltage of the PV + and PV-. The current is changed, the conduction current in the photovoltaic square matrix can be changed, the temperature of the photovoltaic module is further adjusted, and when the temperature of the photovoltaic module reaches 60-80 ℃, the rectifying circuit outputs a stable voltage value to form a stable ice and snow melting state. When the control generator judges that snow is not accumulated and ice is frozen, the control generator informs the rectifying circuit to stop working through a control command, and is disconnected from a grid-connected point in the grid-connected cabinet through an internal selector switch and switched to the inverter to carry out grid-connected power generation.
Furthermore, other snow icing detection means such as an unmanned aerial vehicle and a camera can be adopted.
Further, the control system further comprises: the roadbed, the photovoltaic square matrix set up in the roadbed top.
Further, the control system further comprises: the protective layer is arranged above the photovoltaic square matrix and used for protecting the photovoltaic module.
The utility model forms a photovoltaic pavement control system by arranging a photovoltaic square matrix, a detection device, a power storage and supply device and a control device, wherein the photovoltaic square matrix is used for converting solar energy into electric energy and generating heat; the detection device is electrically connected with the photovoltaic array and used for detecting a road surface signal; the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power for power storage or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix; and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device so as to control whether the photovoltaic square matrix generates heat or not. The photovoltaic pavement control system can control the photovoltaic matrix to normally perform photoelectric conversion under the condition that ice and snow do not exist on the pavement, can supply power to the photovoltaic matrix to heat the photovoltaic matrix to melt ice and snow under the condition that the ice and snow exist on the pavement, and has real-time performance; the structure of the existing photovoltaic module is not required to be changed, a cable is not required to be applied, the light intensity transmittance loss is reduced, and the problems of reduction of module light transmittance, increase of process complexity, increase of cost and the like caused by addition of an additional resistance wire and an additional material are solved; in addition, compare with traditional photovoltaic power plant, the utility model discloses only increase some modules, can be in having photovoltaic power plant application, can be used to new dress photovoltaic power plant again, required increase work load is less.
It is to be understood that, in the description of the present invention, the terms "connected" and "coupled", unless otherwise specified, include both direct and indirect connections; "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another; the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A photovoltaic roadway control system, the control system comprising:
the photovoltaic array is formed by connecting a plurality of photovoltaic modules in series or in parallel and is used for converting solar energy into electric energy or heating;
the detection device is electrically connected with the photovoltaic square array and used for detecting a road surface signal;
the power storage and supply device is electrically connected with the photovoltaic square matrix and is used for connecting the electric energy converted by the photovoltaic square matrix to commercial power, storing the electric energy or supplying power to the photovoltaic square matrix to heat the photovoltaic square matrix;
and the control device is respectively electrically connected with the detection device and the power storage and supply device and is used for controlling the working state of the power storage and supply device according to the road surface signal detected by the detection device.
2. The photovoltaic roadway control system of claim 1, wherein the power storage and supply device comprises:
the inverter is electrically connected with the photovoltaic square array and is used for converting direct current into alternating current;
the rectifying device is electrically connected with the photovoltaic square array;
and the grid-connected cabinet is respectively electrically connected with the control device and the commercial power, and is selectively and electrically connected with the inverter or the rectifying device under the control of the control device.
3. The photovoltaic roadway control system of claim 2, wherein the detection device comprises:
and the temperature sensor is electrically connected with the photovoltaic module and used for detecting a temperature signal of a road surface.
4. A photovoltaic roadway control system as recited in claim 3, wherein said control means comprises:
the information processor is electrically connected with the temperature sensor and used for processing the temperature signal output by the temperature sensor to obtain the temperature information of the road surface;
and the control generator is respectively electrically connected with the information processor and the grid-connected cabinet and is used for controlling the voltage and the current of the power supply for the photovoltaic square matrix by the storage and supply device according to the temperature information.
5. The photovoltaic roadway control system of claim 4, wherein the detection device further comprises:
and the pressure sensor is electrically connected with the photovoltaic module and used for detecting a pressure signal of a road surface.
6. The photovoltaic roadway control system of claim 5,
the information processor is respectively electrically connected with the temperature sensor and the pressure sensor and is used for processing the temperature signal output by the temperature sensor and the pressure signal output by the pressure sensor to obtain the temperature information and the pressure information of the road surface;
and the control generator is respectively electrically connected with the information processor and the grid-connected cabinet and is used for controlling the grid-connected cabinet to be selectively and electrically connected with the inverter or the rectifying device according to the temperature information and the pressure information.
7. The photovoltaic roadway control system of claim 6, wherein the control system further comprises: and the display is electrically connected with the control generator and is used for displaying the road surface information.
8. The photovoltaic roadway control system of claim 2, wherein the control system further comprises: and the isolation transformer is respectively electrically connected with the grid-connected cabinet and the commercial power.
9. The photovoltaic roadway control system of claim 1, wherein the control system further comprises:
the photovoltaic square matrix is arranged above the roadbed;
the protective layer is arranged above the photovoltaic square matrix.
10. The photovoltaic roadway control system of claim 9, wherein the control system further comprises: a first adhesive film and a second adhesive film,
the photovoltaic square matrix is arranged above the roadbed through the first adhesive film;
the protective layer is arranged above the photovoltaic square matrix through the second adhesive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617500.8U CN210111674U (en) | 2019-04-30 | 2019-04-30 | Photovoltaic pavement control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920617500.8U CN210111674U (en) | 2019-04-30 | 2019-04-30 | Photovoltaic pavement control system |
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| CN210111674U true CN210111674U (en) | 2020-02-21 |
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| CN201920617500.8U Active CN210111674U (en) | 2019-04-30 | 2019-04-30 | Photovoltaic pavement control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769186A (en) * | 2020-12-31 | 2021-05-07 | 中宇智慧光能科技有限公司 | Light energy road surface self-protection device |
| CN113176025A (en) * | 2021-03-11 | 2021-07-27 | 山东光实能源有限公司 | Photovoltaic pavement bearing deformation failure risk assessment method |
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2019
- 2019-04-30 CN CN201920617500.8U patent/CN210111674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112769186A (en) * | 2020-12-31 | 2021-05-07 | 中宇智慧光能科技有限公司 | Light energy road surface self-protection device |
| CN113176025A (en) * | 2021-03-11 | 2021-07-27 | 山东光实能源有限公司 | Photovoltaic pavement bearing deformation failure risk assessment method |
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Effective date of registration: 20210427 Address after: 518054 Room 201, building a, No.1 Qianwan 1st Road, Haishen Hong Kong cooperation zone, Shenzhen City, Guangdong Province Patentee after: Hongyi Technology Co.,Ltd. Address before: Room 107, Building 2, Olympic Village Street Comprehensive Office District, Chaoyang District, Beijing Patentee before: HANERGY MOBILE ENERGY HOLDING GROUP Co.,Ltd. |