CN113323572A - Independent photovoltaic intelligent curtain system - Google Patents
Independent photovoltaic intelligent curtain system Download PDFInfo
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- CN113323572A CN113323572A CN202110637348.1A CN202110637348A CN113323572A CN 113323572 A CN113323572 A CN 113323572A CN 202110637348 A CN202110637348 A CN 202110637348A CN 113323572 A CN113323572 A CN 113323572A
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00308—Overvoltage protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B2009/2476—Solar cells
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
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Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention relates to an independent photovoltaic intelligent curtain system which comprises a solar component, a solar charging management module, a storage battery module, a main control module, a curtain motor module and a shading curtain, wherein the solar component is connected with the solar charging management module, the storage battery module is respectively connected with the main control module, the curtain motor module and the solar charging management module, the curtain motor module is also connected with the shading curtain, and the main control module is also connected with the curtain motor module. The invention can solve the problem that the current electric curtain is highly dependent on the reserved power supply, has the characteristics of simple and convenient installation, simple maintenance, stable operation, energy conservation and environmental protection, and can be widely applied to the field of home decoration of intelligent curtains.
Description
Technical Field
The invention belongs to the technical field of photovoltaic power generation energy storage and intelligent curtains, and relates to an independent photovoltaic intelligent curtain system.
Background
The electric curtain is used as an important component of the intelligent home, can be electrically opened and closed according to the requirements of residents, and has the effects of managing indoor light, maintaining indoor temperature, preventing sun exposure, protecting the privacy of the residents and the like. However, the existing electric curtain mainly depends on the commercial power to supply power to the curtain motor, so a power plug must be reserved for installing the electric curtain, but many users (especially old house users) often do not have the condition of reserving a power supply, and the reconstruction of the power wiring not only has high cost, but also can destroy the beauty of home decoration, thereby greatly restricting the requirements of consumer groups on the electric curtain. Aiming at the problem, some manufacturers design and produce the non-wiring type lithium battery electric curtain, and use a rechargeable battery to solve the problem of power supply of the motor, but the method still has limitations, the battery needs to be disassembled irregularly for charging, and the problem of power supply of the electric curtain cannot be completely solved.
Solar energy is a renewable energy source, is clean and environment-friendly, has low price and high energy density, and is widely used for production and life in recent years. With the breakthrough of photovoltaic power generation technology, the power generation efficiency is continuously improved, for example, the energy efficiency conversion rate of the thin film solar cell exceeds 20%, which undoubtedly provides necessary conditions for miniaturization and light-weight photovoltaic power generation systems. An independent photovoltaic power generation system without an alternating current load generally comprises a solar panel, a controller, a storage battery and a direct current load. The performance of the storage battery directly affects the stability of system operation, so the storage battery is generally required to have the characteristics of low self-discharge rate, long service life, strong deep discharge capability, high charging efficiency, easy maintenance, wide working temperature range and the like. Compared with other storage batteries, the lithium ion battery has the advantages of small volume ratio, high energy, high cycle charging frequency and long battery life, and is widely used for independent photovoltaic systems.
Meanwhile, the electric curtain is close to the window, so that sufficient solar energy can be obtained, and the electric curtain is very likely to be powered by the solar energy. There are several patents that propose this idea:
in a patent with publication number CN207813459U published in 2018, 9, 4 and 4, a solar curtain relates to a roller structure-based solar panel inclination angle-adjustable blind curtain.
In a patent 'remote intelligent rolling curtain type thin-film solar curtain' with publication number CN107302338A published in 2017, 10, 27 and relates to a rolling curtain type thin-film solar curtain capable of being controlled to be unfolded or rolled remotely.
The above patent only aims at the electric blind or electric rolling curtain with extremely low market share, and can not be used for the electric cloth curtain with high utilization rate, and the above patent has no specific technical means for the selection and arrangement of the storage battery and the motor.
In a patent "a solar intelligent curtain device" with publication number CN105011724A published on 11/4/2015, it relates to an intelligent curtain device with solar panels mounted outside windows.
In a patent 'a solar intelligent shading curtain' with publication number CN206836757U published in 2018, 1, 5 and relates to a device for realizing automatic closing of a curtain through matching of a solar cell panel and an electromagnet.
The above patent proposes that solar energy is used for supplying power to the electric curtain, but the problems of hot spot effect, reverse charging of the storage battery and the like cannot be prevented due to the lack of protection of components such as a solar component, the storage battery and the like; and the unreasonable type selection to battery and motor leads to the device bulky, the quality is heavy, the installation is complicated.
In a patent "an intelligently controllable electric curtain" published in 3/1/2019 and having a publication number of CN208551027U, an electric curtain for accelerating the charging speed of a storage battery by using a boost module is proposed, but the specific design of the boost module is not described.
To sum up, the installation of electric window curtain needs to reserve the power, and this has hindered its popularization in old house user greatly, and this pain point can be solved to miniature photovoltaic power generation energy storage technology, nevertheless does not possess the modularization solution of lightweight, simple installation, maintenance simplicity, operation stability yet at present.
Disclosure of Invention
The invention aims to provide an independent photovoltaic intelligent curtain system, which uses photovoltaic power generation and battery energy storage to provide electric energy for a curtain motor, and strives for light weight, convenient installation, simple maintenance, stable operation and the like in system design.
The purpose of the invention can be realized by the following technical scheme:
an independent photovoltaic intelligent curtain system comprises a solar component, a solar charging management module, a storage battery module, a main control module, a curtain motor module and a shading curtain, wherein the solar component is connected with the solar charging management module;
when the solar energy shading curtain works, the solar energy component absorbs external solar energy and generates voltage meeting requirements, current is output, the solar energy charging management module is used for stabilizing the voltage to a set range and then charging the storage battery module, the storage battery module supplies power for the curtain motor module and the main control module, the main control module controls the curtain motor module to run, and therefore opening and closing of the shading curtain are controlled.
Further, the main control module comprises a communication unit, a motor driving unit and a display unit, wherein the communication unit is used for receiving an external input signal and sending the external input signal to the motor driving unit, the motor driving unit is used for receiving a signal fed back by the communication unit and processing the signal into an execution signal for controlling the starting and stopping of the curtain motor module, and the display unit is used for displaying the current control mode of the window shade.
Further, the solar charging management module comprises a voltage stabilizing integrated chip MC34063, a schottky diode D1, a schottky diode D2, a schottky diode D3, a capacitor C1, a capacitor C2, a capacitor C3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1, and a light emitting diode D0, wherein a current output terminal Vin of the solar module is connected to an anode of the schottky diode D1, a cathode of the schottky diode 1 is connected to the resistor R1, the inductor L1, and an anode of the schottky diode D3 in sequence, an anode of the schottky diode D3 is further connected to an SC pin of the voltage stabilizing integrated chip MC34063, a cathode of the schottky diode 493d 3 is further connected to an output terminal voltage stabilizing circuit, the output terminal Vout leads out a single branch and is connected to the resistor R3 and the light emitting diode D0 in sequence and then to ground, the output end Vout of the voltage stabilizing circuit is further connected to a single branch and then grounded after being connected to the capacitor C1, the output end Vout of the voltage stabilizing circuit is further connected to the resistor R4 and the resistor R5 in sequence by another single branch and then grounded, the TC pin of the voltage stabilizing integrated chip MC34063 is grounded after being connected to the capacitor C3, the SE pin and the GND pin are connected to each other and then grounded, the FB pin is connected between the resistor R4 and the resistor R5, the IPK pin is connected between the resistor R1 and the inductor L1, the DRI pin is connected between the resistor R1 and the inductor L1 after passing through the resistor R2, the VCC pin is grounded after passing through the capacitor C2, the cathode of the schottky diode D2 is connected between the cathode of the schottky diode D1 and the resistor R1, and the anode of the schottky diode D2 is connected between one end of the capacitor C2 and the ground.
Further, the curtain motor module may adopt a function module commonly used in the field and driven by a motor to open and close a curtain, and may specifically include a driving motor, an electric guide rail, a hanging wheel, and the like, wherein an output end of the driving motor is connected with a transmission rod on the electric guide rail, the transmission rod is engaged with the hanging wheel, and a rack part engaged with the hanging wheel is processed at a side edge of the curtain, so that the hanging wheel is driven to rotate by the driving motor to drive the curtain to open and close, specifically, an output shaft rotates clockwise to drive the hanging wheel to rotate counterclockwise, thereby driving the curtain to move horizontally and realizing the curtain opening function; the output shaft rotates along the anticlockwise direction to drive the hanging wheel to rotate along the clockwise direction, so that the curtain is driven to move along the horizontal direction, and the curtain closing function is realized.
Optionally, the driving motor is a dc speed-reducing motor.
Furthermore, the solar charging management module and the solar component are arranged on the shading curtain. Optionally, the solar module is arranged on the window shade in a sewing or bonding manner.
Furthermore, the edge of the solar module is also provided with an installation frame, the upper end and the lower end of the installation frame are respectively provided with an adjusting handle with adjustable length, and the end part of the adjusting handle is also provided with a sucker used for being adsorbed on the surface of an object.
Further, the battery module comprises a rechargeable lithium ion battery pack.
Further, the solar module is a GIGS thin-film solar cell.
Compared with the prior art, the invention has at least the following advantages:
1) based on the photovoltaic power generation technology, the zero-energy-consumption intelligent curtain powered by the direct-current independent photovoltaic system is energy-saving and environment-friendly in operation and simple in maintenance, the problem that a resident cannot install the intelligent curtain due to the fact that a power line is not reserved is solved, the installation condition of the intelligent curtain is reduced, and therefore the market demand of the intelligent curtain is expanded;
2) the thin-film solar cell is optimized, so that the volume and the weight of the solar module are reduced, and the maintenance difficulty of the photovoltaic power generation system is reduced;
3) the rechargeable lithium battery is adopted as the storage battery, and has the characteristics of high efficiency, high capacity, long service life, small volume and the like;
4) the preferable thin-film solar cell can be sewn with the curtain, so that the influence of the installation of a photovoltaic power generation system on the attractiveness of home decoration is avoided;
5) various protection circuits are adopted, so that the system has good service performance for a long time;
6) the device has great plasticity, and the range of application is wide, through changing solar energy component's power, the required electric quantity requirement of curtain motor operation under the different environmental conditions is adapted to lithium cell group capacity.
Drawings
FIG. 1 is a system architecture diagram of the present invention;
FIG. 2 is a schematic circuit diagram of a solar charging management module;
FIG. 3 is an axial schematic view of example 1;
FIG. 4 is an axial schematic view of example 2;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is an enlarged view of a portion of FIG. 4 at A;
the notation in the figure is:
the solar energy curtain comprises 1-an electric guide rail, 2-a hanging wheel, 3-a solar component, 4-a shading curtain, 5-a curtain motor module, 6-a main control module, 7-a storage battery module, 8-a solar charging management module, 9-an adjusting handle and 10-a sucker.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, functional components or structures that are not specifically described are all conventional components or structures that are adopted in the art to achieve the corresponding functions.
In order to solve the problem that the existing electric curtain is highly dependent on the reserved power supply, the invention provides an independent photovoltaic intelligent curtain system, which can be seen in fig. 1 and 3 specifically, and comprises a solar component 3, a solar charging management module 8, a storage battery module 7, a main control module 6, a curtain motor module 5 and a shading curtain 4, wherein the solar component 3 is connected with the solar charging management module 8, the storage battery module 7 is respectively connected with the main control module 6, the curtain motor module 5 and the solar charging management module 8, the curtain motor module 5 is also connected with the shading curtain 4, and the main control module 6 is also connected with the curtain motor module 5;
when the solar curtain control device works, the solar component 3 absorbs external solar energy and generates voltage meeting requirements, current is output, the solar charging management module 8 stabilizes the voltage within a set range, the storage battery module 7 is charged, the storage battery module 7 supplies power for the curtain motor module 5 and the main control module 6, and the main control module 6 controls the curtain motor module 5 to operate, so that the opening and closing of the shading curtain 4 are controlled.
In some embodiments, referring to fig. 1 again, the main control module 6 includes a communication unit, a motor driving unit (i.e., a main control unit), and a display unit, wherein the communication unit is configured to receive an external input signal and send the external input signal to the motor driving unit, the motor driving unit is configured to receive a signal fed back by the communication unit and process the signal into an execution signal for controlling the start and stop of the window curtain motor module 5, and the display unit is configured to display a current control mode of the window curtain 4. Here, the communication unit can adopt bluetooth chip etc., and motor drive unit then can adopt the singlechip, also can adopt motor drive chip etc. that this field is commonly used, and the display element then can adopt the display screen.
In some embodiments, referring to fig. 2 again, the solar charging management module 8 includes a voltage regulator ic MC34063, a schottky diode D1, a schottky diode D2, a schottky diode D3, a capacitor C1, a capacitor C2, a capacitor C3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1, and a light emitting diode D0, wherein a current output terminal Vin of the solar module 3 is connected to an anode of the schottky diode D1, a cathode of the schottky diode D1 is connected to the resistor R1, the inductor L1, and an anode of the schottky diode D3, an anode of the schottky diode D3 is further connected to an SC pin of the voltage regulator ic MC34063, a cathode of the schottky diode D3 is further connected to an output terminal Vout, and the output terminal Vout is connected to a single branch circuit and to the resistor R3 and the light emitting diode 0, the output end Vout of the voltage stabilizing circuit is further connected to a single branch and then grounded after being connected to the capacitor C1, the output end Vout of the voltage stabilizing circuit is further connected to the resistor R4 and the resistor R5 in sequence by another single branch and then grounded, the TC pin of the voltage stabilizing integrated chip MC34063 is grounded after being connected to the capacitor C3, the SE pin and the GND pin are connected to each other and then grounded, the FB pin is connected between the resistor R4 and the resistor R5, the IPK pin is connected between the resistor R1 and the inductor L1, the DRI pin is connected between the resistor R1 and the inductor L1 after passing through the resistor R2, the VCC pin is grounded after passing through the capacitor C2, the cathode of the schottky diode D2 is connected between the cathode of the schottky diode D1 and the resistor R1, and the anode of the schottky diode D2 is connected between one end of the capacitor C2 and the ground.
In some embodiments, please refer to fig. 3 again, the curtain motor module may adopt a function module commonly used in the art and configured to drive a curtain to open and close by a motor, and specifically may include a driving motor, a motor-driven rail 1, a hanging wheel 2, and the like, wherein an output end of the driving motor is connected to a transmission rod on the motor-driven rail 1, the transmission rod is engaged with the hanging wheel 2, and a rack portion engaged with the hanging wheel 2 is processed at a side edge of the window curtain 4, so that the hanging wheel 2 is driven to rotate by the driving motor to drive the curtain to open and close, specifically, an output shaft rotates in a clockwise direction to drive the hanging wheel 2 to rotate in an anticlockwise direction, thereby driving the window curtain 4 to move in a horizontal direction to achieve the function of opening the window curtain 4; the output shaft rotates along the counterclockwise direction to drive the hanging wheel 2 to rotate along the clockwise direction, thereby driving the shading curtain 4 to move along the horizontal direction and realizing the closing function of the shading curtain 4.
Optionally, the driving motor is a dc speed-reducing motor.
In some embodiments, the solar charging management module 8 and the solar module 3 are disposed on the window covering 4. Optionally, the solar module 3 is arranged on the window shade 4 by sewing or bonding.
In some embodiments, referring to fig. 4 to 6 again, the edge of the solar module 3 is further provided with a mounting frame, the upper end and the lower end of the mounting frame are respectively provided with an adjusting handle 9 with adjustable length, and the end of the adjusting handle 9 is further provided with a suction cup 10 for being adsorbed on the surface of an object, in which case, the solar module 3 is suitable for being disposed at other positions than the window shade, such as window glass.
In some embodiments, the battery module 7 comprises a rechargeable lithium ion battery pack.
In some embodiments, the solar module 3 is a GIGS thin film solar cell.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to specific examples.
Example 1
The power transmission route of the zero-energy-consumption independent photovoltaic intelligent curtain system is solar module → storage battery module → load, and the solar module cannot directly supply power to the load through the control circuit.
Fig. 3 shows a zero-energy-consumption independent photovoltaic intelligent curtain system, which includes a solar module 3, a solar charging management module 8, a storage battery module 7, a main control module 6, a curtain motor module 5, an electric guide rail 1, and a window shade 4. The storage battery module 7 is respectively connected with the solar charging management module 8, the main control module 6 and the curtain motor module 5. The output shaft of the curtain motor module 5 is connected with the electric guide rail 1, and the shading curtain 4 is connected with the electric guide rail 1 through the hanging wheel 2. The shading curtain 4 is positioned under the electric guide rail 1, the curtain motor module 5 is positioned under one end part of the electric guide rail 1, the main control module 6 is positioned under the curtain motor module 5, and the storage battery module 7 is positioned under the main control module 6. The solar module 3 and the solar charging management module 8 may be sewn to the window covering 4.
The solar module 3 can be selected as a thin-film solar module, such as a CIGS thin-film solar cell, which has the characteristics of high energy efficiency conversion rate, light weight, thinness and good flexibility. Of course, the solar module 3 may also be a rigid solar module, such as a crystalline silicon solar module, as long as the module capable of achieving the purpose of solar power generation is within the protection scope of the present invention. Furthermore, a thin film solar module with the output voltage of 15V under the standard light intensity can be selected in consideration of the voltage loss when the working temperature of the solar module 3 rises and the voltage drop loss through an electronic component; the output power of the solar component 3 is determined according to factors such as specific load electricity consumption, working environment and the like, the range of the output power is 3W-5W, all electricity required by the intelligent curtain operation in the system can be ensured to come from the direct current independent photovoltaic power generation system under the non-extreme climate condition, meanwhile, the expansion area of the solar component 3 is relatively reasonable, and the visual aesthetic feeling of the original home decoration environment cannot be influenced.
The whole power generation process of the solar module 3 is regulated and managed by the solar charging management module 8, as shown in fig. 2, a schottky diode D1 is connected to the positive electrode of the input voltage Vin to prevent the negative electrode and the positive electrode of the power supply from being reversely connected, and the unidirectional conductivity of the diode shows that the input voltage Vin and the voltage stabilizing circuit form a loop at the moment, and the voltage stabilizing circuit can normally work. When the positive electrode and the negative electrode of the input voltage are connected reversely, the Schottky diode D2 prevents the current from flowing through, and the voltage stabilizing circuit cannot form a loop at the moment, so that the voltage stabilizing circuit cannot be influenced. If the diode for preventing the reverse connection of the power supply is not arranged, when the power supply is connected reversely, the current flowing through the voltage stabilizing circuit is larger than the current under the normal condition, so that the voltage stabilizing circuit is burnt.
A schottky diode D2 is connected between the input voltage Vin (i.e. the current output end Vin of the solar module) and the ground GND in the reverse direction to prevent reverse charging, and when the power is off, a current path is formed between the reverse voltage generated on the inductor L1 and the schottky diode D1 and clamped by the schottky diode D1, so that the reverse charging voltage cannot be generated on the power supply to damage the power supply.
The working principle of the voltage stabilizing circuit is as follows: as shown in fig. 2, in the voltage regulator circuit with the zener ic MC34063 as the core, when the switching tube in the chip is turned on, the input voltage Vin is grounded through the sampling resistor R1, the inductor L1, the schottky diode D3, the SC pin of the zener ic MC34063, and the SE pin, at this time, the inductor L1 starts to store energy, and the electrolytic capacitor C1 supplies energy to the load. When a switch tube in the chip is disconnected, the input voltage Vin and the inductor L1 supply energy to the load and the electrolytic capacitor C1 at the same time, and during the energy releasing period of the inductor L1, because the electromotive force polarities at the two ends of the inductor are the same as the power supply polarities, which is equivalent to that two power supplies are connected in series, the voltage obtained on the load is higher than the input voltage Vin. The output voltage value is adjusted by changing the values of the adjustable resistor R4 and the fixed resistor R5, and the output voltage accords with the following formula: vout ═ 1.25V (1+ R4/R5), where 1.25V is the reference voltage. Meanwhile, in fig. 2, C3 is a timing capacitor which determines the on-off time of a switch tube in the chip, C2 is a filter capacitor, R2 and R3 are current-limiting resistors, and D0 is a power indicator.
As shown in fig. 1, the battery module 7 may include a rechargeable lithium ion battery pack and a battery management module. The storage battery pack is a rechargeable lithium battery pack, for example, the rechargeable lithium battery pack has a nominal voltage of 12V and a capacity of 2800Ah, and has the excellent performances of low self-discharge rate, long service life, high charging efficiency, high volumetric specific energy, high gravimetric specific energy, multiple cyclic charging times and the like. The battery management module has the functions of overcurrent protection, overvoltage protection, short-circuit protection, overvoltage protection, over-discharge protection and the like. The whole charging and discharging process of the system is monitored and adjusted by the battery management system, so that the safety and reliability of operation are ensured, and the service life of the lithium battery is prolonged. The storage battery pack and the battery management module are connected with the main control unit through a double-sided buckle structure, and can be detached independently to be charged by using the adapter besides being charged by the photovoltaic power generation system in daily life.
Referring to fig. 3 again, the curtain motor module 5 includes a driving motor, an electric rail 1, a hanging wheel 2, and the like, wherein an output end of the driving motor is connected to a transmission rod on the electric rail 1, the transmission rod is engaged with the hanging wheel 2, and a rack portion engaged with the hanging wheel 2 is processed at a side edge of the window curtain 4, so that the hanging wheel 2 is driven to rotate by the driving motor, thereby driving the window curtain to open and close, specifically, an output shaft rotates clockwise, the hanging wheel 2 rotates counterclockwise, thereby driving the window curtain 4 to move horizontally, and realizing an opening function of the window curtain 4; the output shaft rotates along the counterclockwise direction to drive the hanging wheel 2 to rotate along the clockwise direction, thereby driving the shading curtain 4 to move along the horizontal direction and realizing the closing function of the shading curtain 4. The driving motor is a direct-current speed reduction motor, the rated working voltage is 12V, the rated torque is 1 N.m, the rated rotating speed is 85rpm, the structure is compact, and the system light weight is facilitated.
The main control module 6 is composed of a communication unit, a motor driving unit and a display unit. The motor driving unit is used for receiving the signal fed back by the communication unit, processing the signal and outputting an execution signal so as to control the starting and stopping of the curtain motor; the display unit is used for displaying the current control mode of the intelligent curtain.
The working principle of the embodiment is as follows: under the condition that ambient light reaches certain intensity, solar energy component 3 produces the voltage that satisfies the requirement to output the electric current of certain size, stabilize voltage at a definite value through solar charging management module 8, thereby charge for battery module 7. The communication unit receives an external instruction and transmits the external instruction to the main control unit for processing, when the curtain motor module 5 needs to execute corresponding action, the storage battery module 7 supplies power to the curtain motor module, and power is transmitted to the hanging wheel 2 through the electric guide rail 1 to drive the shading curtain 4 to be opened and closed. The whole charging and discharging process of the storage battery pack is monitored and regulated by a battery management system in the storage battery module 7, so that the safety and reliability of operation are ensured, and the service life of the system is prolonged.
Example 2:
the embodiment relates to a zero-energy-consumption independent photovoltaic intelligent curtain system, and the embodiment 2 is substantially the same as the embodiment 1, and mainly has the difference that in the embodiment 1, the solar module 3 and the solar charging management module 8 are sewn or adhered to the shading curtain 4. In embodiment 2, as shown in fig. 4, the solar module 3 and the solar charging management module 8 can also be fixed on the window glass through the suction cup 10, because the lengths of the adjusting handles 9 on the upper side and the lower side of the suction cup 10 are different as shown in fig. 5 and fig. 6, the inclination angle between the solar module 3 and the horizontal plane in the installation manner of embodiment 2 can be adjusted within a certain range, thereby improving the solar energy utilization efficiency.
Example 3:
compared to example 1, most of them are the same except that in this example: the solar energy component 3, the solar charging management module 8, the storage battery module 7 and the curtain motor module 5 are applied to various curtains except intelligent cloth curtains, such as electric roller blinds, electric shutter curtains and the like.
In general, the invention aims to independently provide running electricity for the electric curtain by utilizing solar energy, thereby reducing the dependence of the electric curtain on a reserved socket and a rechargeable battery; the solar module and the storage battery are regulated by the charging management module in the power generation process and the battery management module in the charging and discharging process, so that the safe and stable operation of the solar module and the storage battery is ensured, and the service life of the system is prolonged. Compared with similar products, the invention can solve the problem of pain point of the current electric curtain highly dependent on the reserved power supply, has the characteristics of simple and convenient installation, simple maintenance, stable operation, energy conservation and environmental protection, and can be widely applied to the field of home decoration of intelligent curtains.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides an independent photovoltaic intelligence (window) curtain system, its characterized in that, includes solar energy component, solar charging management module, battery module, host system, (window) curtain motor module and window shade, wherein, solar energy component is connected with solar charging management module, battery module is connected with host system, (window) curtain motor module and solar charging management module respectively, (window) curtain motor module still connects the window shade, host system still connects the (window) curtain motor module.
2. The independent photovoltaic intelligent curtain system according to claim 1, wherein the main control module comprises a communication unit, a motor driving unit and a display unit, wherein the communication unit is used for receiving an external input signal and sending the external input signal to the motor driving unit, the motor driving unit is used for receiving a signal fed back by the communication unit and processing the signal into an execution signal for controlling the curtain motor module to start and stop, and the display unit is used for displaying the current control mode of the window shade.
3. The independent photovoltaic intelligent curtain system as claimed in claim 1, wherein the solar charging management module comprises a voltage stabilizing integrated chip MC34063, a schottky diode D1, a schottky diode D2, a schottky diode D3, a capacitor C1, a capacitor C2, a capacitor C3, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an inductor L1 and a light emitting diode D0, wherein a current output Vin of the solar module is connected to an anode of the schottky diode D1, a cathode of the schottky diode D1 is connected to an anode of the resistor R1, the inductor L1 and the schottky diode D3 in sequence, an anode of the schottky diode D3 is connected to an SC pin of the voltage stabilizing integrated chip MC34063, a cathode of the schottky diode D465 is connected to an output of the Vout, and a voltage stabilizing circuit Vout is led out to a single branch and connected to the resistor R3 and the light emitting diode D0 in sequence The output end Vout of the voltage stabilizing circuit is additionally connected with the capacitor C1 and then grounded, the output end Vout of the voltage stabilizing circuit is also connected with the resistor R4 and the resistor R5 in sequence by another single branch and then grounded, the TC pin of the voltage-stabilizing integrated chip MC34063 is grounded through the capacitor C3, the SE pin and the GND pin are grounded after being connected with each other, the FB pin is connected between the resistor R4 and the resistor R5, the IPK pin is connected between the resistor R1 and the inductor L1, the DRI pin is connected between the resistor R1 and the inductor L1 after passing through the resistor R2, the VCC pin is grounded after passing through the capacitor C2, the cathode of the schottky diode D2 is connected between the cathode of the schottky diode D1 and the resistor R1, the anode of the schottky diode D2 is connected between one end of the capacitor C2 and ground.
4. The independent photovoltaic intelligent curtain system according to claim 1, wherein the curtain motor module comprises a driving motor, an electric guide rail and a hanging wheel, wherein an output shaft of the driving motor is connected with the electric guide rail, and the window curtain is in transmission connection with the hanging wheel arranged on the electric guide rail.
5. The independent photovoltaic intelligent curtain system as claimed in claim 4, wherein the driving motor is a DC deceleration motor.
6. The independent photovoltaic intelligent curtain system as recited in claim 1, wherein the solar charging management module and the solar module are disposed on a window shade.
7. The independent photovoltaic intelligent curtain system as claimed in claim 6, wherein the solar module is sewn or bonded on the window shade.
8. The independent photovoltaic intelligent curtain system as claimed in claim 1, wherein the solar module is further provided with a mounting frame at the edge thereof, adjusting handles with adjustable lengths are respectively provided at the upper and lower ends of the mounting frame, and suction cups for being adsorbed on the surface of an object are further provided at the ends of the adjusting handles.
9. The standalone photovoltaic smart window shade system of claim 1, wherein the battery module comprises a rechargeable lithium ion battery pack.
10. The independent photovoltaic smart window shade system of claim 1, wherein the solar modules are GIGS thin film solar cells.
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| CN202110637348.1A CN113323572A (en) | 2021-06-08 | 2021-06-08 | Independent photovoltaic intelligent curtain system |
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| CN202110637348.1A CN113323572A (en) | 2021-06-08 | 2021-06-08 | Independent photovoltaic intelligent curtain system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114190753A (en) * | 2021-12-15 | 2022-03-18 | 深圳市佳利美电子科技有限公司 | New forms of energy electric window curtain system |
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