CN116241026A - Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment - Google Patents
Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment Download PDFInfo
- Publication number
- CN116241026A CN116241026A CN202211735821.0A CN202211735821A CN116241026A CN 116241026 A CN116241026 A CN 116241026A CN 202211735821 A CN202211735821 A CN 202211735821A CN 116241026 A CN116241026 A CN 116241026A
- Authority
- CN
- China
- Prior art keywords
- photovoltaic module
- snow melting
- electric heating
- roof
- singlechip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002844 melting Methods 0.000 title claims abstract description 36
- 230000008018 melting Effects 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000010248 power generation Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005485 electric heating Methods 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000012546 transfer Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/10—Snow traps ; Removing snow from roofs; Snow melters
- E04D13/103—De-icing devices or snow melters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
- H02S40/12—Means for removing snow
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an automatic heating snow melting system of roof photovoltaic power generation equipment and a snow melting method thereof, comprising a photovoltaic module, wherein the photovoltaic module is paved on a roof; a plurality of patch pressure sensors which are uniformly distributed are arranged on the photovoltaic module, and at least two electric heating belts are arranged on the upper surface of the photovoltaic module; a plurality of temperature sensors are arranged on the electric heating belt; the patch pressure sensor and the temperature sensor are electrically connected with the singlechip through an AD conversion circuit; the singlechip is electrically connected with the electric heating belt and the photovoltaic module through the automatic change-over switch. The invention adopts an embedded circuit mode to automatically control and process the weight of snow on the roof photovoltaic module and the temperature of the photovoltaic module and the electric heating belt thereof, has the characteristics of simple structure, strong reliability and the like, can automatically melt snow on the roof photovoltaic module, and has low snow removing cost and high safety coefficient.
Description
Technical Field
The invention belongs to the technical field of distributed roof photovoltaic power generation, and particularly relates to an automatic heating snow melting system and a snow melting method of roof photovoltaic power generation equipment.
Background
The distributed roof photovoltaic power generation system encounters extreme weather such as big snow in the running process in winter, and snow can cover the roof photovoltaic module, so that the power generation efficiency of the photovoltaic power generation system is low, and even the power generation condition is not generated. At this time, the snow deposited on the photovoltaic module needs to be cleaned. Otherwise, snow exceeding a certain weight can seriously affect the bearing safety of the roof.
Most of the traditional snow removing modes rely on manual snow removing or wait for natural snow melting, and also have a mode of utilizing a mechanical structure to enable the battery assembly to turn over, enabling the front of the battery assembly to turn over downwards when the snow is removed, avoiding snow from being attached to the front of the battery assembly, and enabling the front of the battery assembly to turn upwards when the snow is removed. However, when the manual snow removing mode is adopted to manually clean the roof photovoltaic module, the construction difficulty is high and the danger coefficient is high; and adopt mechanical structure to make battery pack can produce the mode of upset and remove snow, this process is comparatively loaded down with trivial details, keeps away snow removal nonideal, and snow removal work efficiency is low, and is with high costs and great to the generated energy influence through removing snow, is difficult to satisfy user's user demand. Therefore, how to solve the above technical problems with high efficiency and low cost is a difficult problem to be solved in industry.
Disclosure of Invention
The invention aims to solve the technical problems, and provides an automatic heating snow melting system of a roof photovoltaic power generation device and a snow melting method thereof.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the automatic heating snow melting system of the roof photovoltaic power generation equipment comprises a photovoltaic module, wherein the photovoltaic module is paved on a roof; a plurality of patch pressure sensors which are uniformly distributed are arranged on the photovoltaic module, and at least two electric heating belts are arranged on the upper surface of the photovoltaic module; a plurality of temperature sensors are arranged on the electric heating belt; the patch pressure sensor and the temperature sensor are electrically connected with the singlechip through an AD conversion circuit; the singlechip is electrically connected with the electric heating belt and the photovoltaic module through the automatic change-over switch.
Preferably, the electric heating strips are arranged in parallel around the upper surface of the photovoltaic module, and the temperature sensors are uniformly distributed on the electric heating strips.
Preferably, the photovoltaic module includes a plurality of photovoltaic panels uniformly arranged, and each photovoltaic panel is provided with at least one patch pressure sensor.
Preferably, the photovoltaic module is electrically connected to the inverter through an automatic transfer switch.
As the optimization of the embodiment of the invention, the singlechip is an STC12C5A60S2/AD/PWM series singlechip or an STC89C52 series singlechip.
As a preference of the embodiment of the invention, the patch pressure sensor MS5549C, the temperature sensor is DS18B20, and the automatic transfer switch is RMQ3-63.
The embodiment of the invention provides a snow melting method based on an automatic heating snow melting system of roof photovoltaic power generation equipment, which comprises the following control steps:
step S1, when a patch temperature sensor detects that snow pressure is higher than 100g and a temperature sensor detects that the temperature of a photovoltaic module is lower than 0 ℃, a singlechip starts a snow melting instruction;
and S2, starting the electric heating belt by the automatic transfer switch, and when the temperature sensor detects that the temperature of the electric heating belt is higher than 50 ℃, starting the automatic transfer switch by the singlechip to close the electric heating belt.
Compared with the prior art, the invention has the following beneficial effects:
the automatic heating and snow melting system of the roof photovoltaic power generation equipment provided by the invention adopts an embedded circuit mode (a singlechip and an AD conversion circuit) to automatically control and process the weight of snow on the roof photovoltaic module and the temperature of the photovoltaic module and an electric heating belt thereof, has the characteristics of simple structure, strong reliability and the like, can automatically melt snow on the roof photovoltaic module, and has the advantages of lower snow removing cost and high safety coefficient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of an automatic heating and snow melting system of a roof photovoltaic power generation device according to an embodiment of the invention;
fig. 2 is a schematic circuit control diagram of an automatic heating and snow melting system of a roof photovoltaic power generation device according to an embodiment of the invention.
The figure shows: 1. a photovoltaic module; 2. a patch pressure sensor; 3. an electric heating belt; 4. a temperature sensor; 5. an AD conversion circuit; 6. a single chip microcomputer; 7. an automatic transfer switch; 8. an inverter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements 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, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 2, an embodiment of the present invention provides an automatic heating and snow melting system for a roof photovoltaic power generation device, which specifically includes a photovoltaic module 1, where the photovoltaic module 1 is uniformly laid on a roof (not labeled in the figures). A plurality of patch pressure sensors 2 which are uniformly distributed are arranged on the photovoltaic module 1. The number and arrangement modes of the patch pressure sensors 2 can be set according to photovoltaic modules arranged on roofs of different practical structures, so that the patch pressure sensors 2 can be guaranteed to detect the weight of snow accumulated on the photovoltaic modules in real time. At least two electric heating belts 3 are arranged on the upper surface of the photovoltaic module 1, and a plurality of temperature sensors 4 are arranged on the electric heating belts 3. The real-time temperature of the electric heating belt 3 is detected by the temperature sensor 4, and when the snow melting procedure is not started, the temperature of the electric heating belt 3 and the temperature of the photovoltaic module 3 are generally consistent. In this embodiment, the patch pressure sensor 2 and the temperature sensor 4 are electrically connected to the single chip microcomputer 6 through the AD conversion circuit 5. The singlechip 6 is electrically connected with the electric heating belt 3 and the photovoltaic module 1 through the automatic change-over switch 7. In this embodiment, the processing system of the single-chip microcomputer 6 can determine whether snow is accumulated on the surface of the photovoltaic module 1 when the surface weight of the photovoltaic module 1 is detected to exceed 100g by the patch pressure sensor 2 and the temperature detected by the temperature sensor 4 is lower than 0 ℃, and the processing system of the single-chip microcomputer 6 can start the electric heating belt 6 to melt snow by the automatic change-over switch 7.
In this embodiment, the singlechip 6 is preferably an STC12C5a60S2/AD/PWM series singlechip or a series singlechip such as STC89C 52. The type of the patch pressure sensor 2 is MS5549C, the type of the temperature sensor is DS18B20, the AD conversion chip in the AD conversion circuit 5 is preferably AD0809, and the type of the automatic change-over switch is preferably RMQ-63. Of course, the model of the electrical element can be replaced or adjusted according to the actual working condition. The above electrical components are all common elements in the field and are not described herein.
Referring to fig. 1 to 2, the electric heating strips 3 are arranged in parallel around the upper surface of the photovoltaic module, and the temperature sensors 4 are uniformly distributed on the electric heating strips 3. The photovoltaic module 1 comprises a plurality of photovoltaic panels (not labeled in the figure) which are uniformly distributed, and each photovoltaic panel is at least provided with a patch pressure sensor 2, so that the weight of snow on the photovoltaic module 1 and the temperature of the photovoltaic module 1 and an electric heating belt 3 thereof can be accurately detected. In this embodiment, the photovoltaic module 1 is electrically connected to the inverter 8 through the automatic transfer switch 7, and when the snow melting procedure is started, the automatic transfer switch 7 is started, and at this time, the direct current emitted by the photovoltaic module 1 does not enter the inverter 8 any more, but the electric heating belt 3 is started to heat through the automatic transfer switch 7.
The embodiment of the invention also provides a snow melting method based on the automatic heating snow melting system of the roof photovoltaic power generation equipment, which comprises the following control steps:
s1, when the patch temperature sensor 2 detects that the snow pressure on the photovoltaic module 1 is higher than 100g and the temperature sensor 4 detects that the temperature of the photovoltaic module 1 is lower than 0 ℃, at the moment, the AD conversion circuit 5 electrically connected with the patch temperature sensor 2 and the temperature sensor 4 sends a snow melting instruction to the singlechip 6.
S2, after the singlechip 6 receives a snow melting instruction, the singlechip 6 starts an automatic change-over switch 7, at the moment, direct current emitted by the photovoltaic group string does not enter the inverter 8 any more, and the electric heating belt 3 is started through the automatic change-over switch 7, so that electricity emitted by the photovoltaic module 1 is directly used for heating and melting snow.
And S3, when the temperature sensor 4 detects that the temperature of the electric heating belt 3 is higher than 50 ℃, the singlechip 6 starts the automatic transfer switch 7 to close the electric heating belt 3, so that the photovoltaic module can be protected from high-temperature damage.
The invention adopts an embedded circuit mode (the singlechip 6 and the AD conversion circuit 5) to automatically control and process the weight of the snow on the roof photovoltaic module 1 and the temperature of the photovoltaic module 1 and the electric heating belt 3 thereof, has the characteristics of simple structure, strong reliability and the like, can realize automatic snow melting of the snow on the roof photovoltaic module 1, and has the characteristics of lower snow removing cost, high safety coefficient and the like.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The automatic heating snow melting system of the roof photovoltaic power generation equipment comprises a photovoltaic module (1), wherein the photovoltaic module (1) is paved on a roof; the method is characterized in that: a plurality of patch pressure sensors (2) which are uniformly distributed are arranged on the photovoltaic module (1), and at least two electric heating belts (3) are arranged on the upper surface of the photovoltaic module (1); a plurality of temperature sensors (4) are arranged on the electric heating belt (3); the patch pressure sensor (2) and the temperature sensor (4) are electrically connected with the singlechip (6) through the AD conversion circuit (5); the singlechip (6) is electrically connected with the electric heating belt (3) and the photovoltaic module (1) through the automatic transfer switch (7).
2. The roof photovoltaic plant self-heating snow melting system of claim 1 wherein: the electric heating strips (3) are arranged in parallel in the circumferential direction of the upper surface of the photovoltaic module (1), and the temperature sensors (4) are uniformly distributed on the electric heating strips (3).
3. The roof photovoltaic plant self-heating snow melting system of claim 1 wherein: the photovoltaic module (1) comprises a plurality of photovoltaic plates which are uniformly distributed, and each photovoltaic plate is at least provided with a patch pressure sensor (2).
4. The roof photovoltaic plant self-heating snow melting system of claim 1 wherein: the photovoltaic module (1) is electrically connected with the inverter (8) through the automatic transfer switch (7).
5. The roof photovoltaic plant self-heating snow melting system of claim 1 wherein: the singlechip (6) is an STC12C5A60S2/AD/PWM series singlechip or an STC89C52 series singlechip.
6. The roof photovoltaic plant self-heating snow melting system of claim 1 wherein: the patch pressure sensor (2) MS5549C, the temperature sensor (4) is DS18B20, and the automatic transfer switch (7) is RMQ3-63.
7. The snow melting method based on the automatic heating snow melting system of the roof photovoltaic power generation equipment is characterized by comprising the following control steps:
step S1, when the patch temperature sensor (2) detects that the snow pressure is higher than 100g and the temperature sensor (4) detects that the temperature of the photovoltaic module (1) is lower than 0 ℃, the singlechip (6) starts a snow melting instruction;
and step S2, starting the electric heating belt (3) by the automatic change-over switch (7), and when the temperature sensor (4) detects that the temperature of the electric heating belt (3) is higher than 50 ℃, starting the automatic change-over switch (7) by the singlechip (6) to close the electric heating belt (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735821.0A CN116241026A (en) | 2022-12-30 | 2022-12-30 | Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735821.0A CN116241026A (en) | 2022-12-30 | 2022-12-30 | Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116241026A true CN116241026A (en) | 2023-06-09 |
Family
ID=86627003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211735821.0A Pending CN116241026A (en) | 2022-12-30 | 2022-12-30 | Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116241026A (en) |
-
2022
- 2022-12-30 CN CN202211735821.0A patent/CN116241026A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100424978C (en) | A method of photovoltaic grid-connected inversion | |
| CN109818565B (en) | Device and method for automatically removing accumulated snow of photovoltaic cell panel | |
| CN204923184U (en) | Photovoltaic directly drives electric heating system | |
| CN201663461U (en) | Wind, light and electricity complementary power supply device | |
| CN219316222U (en) | Automatic heating snow melting system of roof photovoltaic power generation equipment | |
| WO2011149116A1 (en) | Snow removal device for a photovoltaic power generation system | |
| CN201207578Y (en) | Wind light complementary type mobile electric power | |
| CN116241026A (en) | Automatic heating snow melting system and snow melting method for roof photovoltaic power generation equipment | |
| CN210839465U (en) | Roof distributing type photovoltaic power plant auto-induction snow melt device | |
| CN203277407U (en) | Intelligent snow removal device | |
| CN205355141U (en) | Novel battery pack | |
| CN218678988U (en) | Photovoltaic board intelligence terminal box with temperature detection function | |
| CN116317922A (en) | Heating snow and ice removing device and method suitable for solar panel of photovoltaic power station | |
| CN207834317U (en) | A kind of photovoltaic cell component with integrated circuit board | |
| CN110798144A (en) | High-efficient output system of photovoltaic board | |
| CN201091062Y (en) | Solar energy power station and heating apparatus | |
| CN209881716U (en) | Modular energy storage photovoltaic module | |
| CN205725656U (en) | The temperature controlled solar module of a kind of band | |
| CN211018286U (en) | Intelligent high-efficiency power distribution gain device for photovoltaic power station | |
| CN204373232U (en) | A kind of water heater | |
| CN210867252U (en) | Wind-solar hybrid power generation system for greenhouse | |
| CN210111622U (en) | Grid-connected photovoltaic power generation system | |
| CN201430449Y (en) | Grid-connected solar photovoltaic power station | |
| CN216872808U (en) | Novel automatic ice-melt of transmission line device | |
| CN205961019U (en) | Distributing type photovoltaic power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |