Intelligent window power supply control system based on photovoltaic driving
By combining the main power supply circuit, backup power supply circuit, and load circuit, the problem of photovoltaic-driven smart window power supply being susceptible to weather conditions has been solved, achieving power supply stability and load management flexibility, and reducing power consumption costs.
Patent Information
- Application Number
- CN202511431208.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2025-12-26
AI Technical Summary
Existing photovoltaic-driven smart window power supplies are susceptible to weather conditions and are prone to instability, which can easily damage the system.
It adopts a combined design of main power supply circuit, backup power supply circuit and load circuit, including components such as photovoltaic cell pack, battery pack, combination socket, contactor, main power supply, terminal block, fuse, AC/DC converter, rectifier diode, motor and solid-state relay, and achieves power supply stability and flexible load management through parallel and series connection.
It improves the stability and flexibility of the power supply, reduces power consumption costs, enhances the flexibility and heat dissipation of the circuit, supports the independent operation of multiple load circuits, and avoids damage to the system caused by power instability.
Smart Images
Figure CN121216697A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of intelligent window control system technology, and in particular to an intelligent window power control system based on photovoltaic drive. Background Technology
[0002] The power supply is the source of power for all electrical loads to work normally. It directly determines the stability, correctness, and reliability of the system and is related to the safety of the equipment. Therefore, the stability and reliability of the power supply are very important in field use. In intelligent window ventilation systems, the number of electrical loads that need to be integrated is increasing, and many electrical loads require different power supply voltages. Due to the increase in the number of electronic devices in each module unit of the intelligent window ventilation system, energy saving is pursued.
[0003] However, existing photovoltaic-driven smart window power supplies use common power supplies to power the load circuit, which takes a long time and consumes a lot of power. Summary of the Invention
[0004] The technical problem to be solved by the present invention is to provide a photovoltaic-driven intelligent window power control system, which solves the problem that the power supply is easily affected by weather factors, causing circuit instability and damage to the photovoltaic-driven intelligent window system.
[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is: a photovoltaic-driven intelligent window power control system, the innovation of which is: including a main power supply circuit, a backup power supply circuit and a load circuit. The main power circuit includes a photovoltaic cell group, a battery pack, a combination socket, and a contactor. The photovoltaic cell group consists of two photovoltaic cells connected in series, and the battery pack consists of two batteries connected in series. The combination socket includes a first combination socket and a second combination socket. The combination socket is provided with a blue connector, a green connector, and a red connector in sequence. The photovoltaic cell group is connected to the blue connector of the first combination socket, and the green connectors of the first and second combination sockets are connected in parallel with the battery pack and left unconnected. The contactor is connected to the output terminal of the battery pack. The backup power circuit includes a main power supply, a terminal block, a fuse, a contact switch, an AC / DC converter, and a rectifier diode. The main power supply is divided into two paths, with the terminal block, fuse, contact switch, AC / DC converter, and rectifier diode connected sequentially to the red terminals on the first combination socket and the second combination socket, respectively. The negative terminals of the AC / DC converters on the two main power supplies are connected in parallel. The load circuit is connected in parallel with the AC / DC converter. The load circuit includes a motor and a solid-state relay. The motor includes a first motor and a second motor. The solid-state relay includes a first solid-state relay and a second solid-state relay. The input terminal of the red power connector of the first combination socket is connected in sequence to the first solid-state relay and the first motor. The input terminal of the red power connector of the second combination socket is connected in sequence to the second solid-state relay and the second motor.
[0006] Furthermore, the motor is a DC motor, and a terminal block is connected between the motor and the solid-state relay.
[0007] Furthermore, the output terminals of the photovoltaic cell array and the battery array, as well as the input terminals of the fuse, all use BVR wires.
[0008] The advantages of this invention are: 1) This invention provides power storage for the battery pack through a photovoltaic cell pack, making reasonable use of natural resources and saving electricity costs.
[0009] 2) In this invention, a load circuit is installed on the backup power supply circuit to solve the problem that the power supply is easily affected by weather factors, which can cause circuit instability and damage to the photovoltaic-driven smart window system.
[0010] 3) The BVR wire used in this invention has good flexibility, can be bent to a large extent without easily breaking, and is less likely to damage the insulation and sheath. It also has better heat dissipation and increased current carrying capacity.
[0011] 4) The green connectors of the first combination socket and the second combination socket in this invention are connected in parallel with the battery pack and left empty, so that multiple load circuits can be loaded in parallel, and each circuit can work independently without affecting each other. Attached Figure Description
[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0013] Figure 1 This is a structural diagram of a photovoltaic-driven intelligent window power control system according to the present invention. Detailed Implementation
[0014] like Figure 1 The photovoltaic-driven intelligent window power control system shown includes a main power supply circuit 1, a backup power supply circuit 2, and a load circuit 3.
[0015] The main power circuit 1 includes a photovoltaic cell pack 11, a battery pack 12, a combination socket 13, and a contactor 14.
[0016] The photovoltaic cell group 11 consists of two photovoltaic cells connected in series, the battery group 12 consists of two batteries connected in series, and the combination socket 13 includes a first combination socket 131 and a second combination socket 132. The combination socket 13 is provided with a blue connector, a green connector and a red connector in sequence. The photovoltaic cell group 11 is connected to the blue connector of the first combination socket 131. The green connectors of the first combination socket 131 and the second combination socket 132 are connected in parallel with the battery group 12 and left empty for parallel loading of multiple load circuits. The contactor 14 is connected to the output terminal of the battery group 12.
[0017] The backup power circuit 2 includes a main power supply, a terminal block 21, a fuse 22, a contact switch 23, an AC / DC converter 24, and a rectifier diode 25. The main power supply is divided into two paths, with the terminal block 21, fuse 22, contact switch 23, AC / DC converter 24, and rectifier diode 25 connected sequentially to the red terminals on the first combination socket 131 and the second combination socket 132, respectively. The negative terminals of the AC / DC converters 24 on the two main power supplies are connected in parallel.
[0018] The load circuit 3 is connected in parallel with the AC / DC converter 24. The load circuit 3 includes a motor 31 and a solid-state relay 32. The motor 31 includes a first motor 311 and a second motor 312. The solid-state relay 32 includes a first solid-state relay 321 and a second solid-state relay 322. The first solid-state relay 321 and the first motor 311 are connected sequentially to the input terminal of the red power connector of the first combination socket 131. The second solid-state relay 322 and the second motor 312 are connected sequentially to the input terminal of the red power connector of the second combination socket 132.
[0019] The motor 31 is a DC motor, and a terminal block is connected between the motor and the solid-state relay.
[0020] The output terminals of the photovoltaic cell pack 11 and the battery pack 12, as well as the input terminal of the fuse 22, all use BVR wires 15.
[0021] Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to this invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.
Claims
1. A photovoltaic-driven intelligent window power control system, characterized in that: Includes main power supply circuit, backup power supply circuit and load circuit; The main power circuit includes a photovoltaic cell group, a battery pack, a combination socket, and a contactor. The photovoltaic cell group consists of two photovoltaic cells connected in series, and the battery pack consists of two batteries connected in series. The combination socket includes a first combination socket and a second combination socket. The combination socket is provided with a blue connector, a green connector, and a red connector in sequence. The photovoltaic cell group is connected to the blue connector of the first combination socket, and the green connectors of the first and second combination sockets are connected in parallel with the battery pack and left unconnected. The contactor is connected to the output terminal of the battery pack. The backup power circuit includes a main power supply, a terminal block, a fuse, a contact switch, an AC / DC converter, and a rectifier diode. The main power supply is divided into two paths, with the terminal block, fuse, contact switch, AC / DC converter, and rectifier diode connected sequentially to the red terminals on the first combination socket and the second combination socket, respectively. The negative terminals of the AC / DC converters on the two main power supplies are connected in parallel. The load circuit is connected in parallel with the AC / DC converter. The load circuit includes a motor and a solid-state relay. The motor includes a first motor and a second motor. The solid-state relay includes a first solid-state relay and a second solid-state relay. The input terminal of the red power connector of the first combination socket is connected in sequence to the first solid-state relay and the first motor. The input terminal of the red power connector of the second combination socket is connected in sequence to the second solid-state relay and the second motor.
2. The photovoltaic-driven intelligent window power control system according to claim 1, characterized in that: The motor is a DC motor, and a terminal block is connected between the motor and the solid-state relay.
3. The photovoltaic-driven intelligent window power control system according to claim 1, characterized in that: The output terminals of the photovoltaic cell array and the battery array, as well as the input terminals of the fuses, all use BVR wires.