Photovoltaic intelligent door lock

Abstract

The utility model discloses a photovoltaic intelligent door lock which comprises a lock body composed of an internal door part, a lock cylinder and an external door part, and a photovoltaic control unit and a power supply unit which are installed on the two sides of an inner cavity of the internal door part respectively. The lock cylinder is composed of a door lock driving unit, a current sensor and a limiting switch, one end of the photovoltaic control unit is connected with a super capacitor, one input end of the photovoltaic control unit is connected with a photovoltaic panel assembly, an outer handle is arranged in the middle of the surface of the outdoor component, and a fingerprint collection area is arranged on the outer handle; the photovoltaic charging and wired charging functions of the door lock power supply are integrated, the intelligent degree is high, the lithium battery can be directly charged through photovoltaic power after the super capacitor is fully charged, the cruising ability of the door lock power supply is greatly improved, meanwhile, the fingerprint unlocking function is achieved, and the safety of the door lock is improved. And the use safety and the use convenience of the intelligent door lock are improved.

Description

Technical Field

[0001] The utility model relates to the field of intelligent door locks, in particular to a photovoltaic intelligent door lock. Background Art

[0002] Smart door locks refer to composite locks that are different from traditional mechanical locks and are more intelligent and simple in terms of user security, identification, and manageability. They are the executive components of door locking in access control systems. Today's traditional smart door locks can only be powered by an external power supply or an external power supply to the door lock power supply / door lock battery. After the smart door lock has been used for a long time, the overall power storage capacity of the door lock power supply will be affected by the loss of high-temperature dust, resulting in poor endurance of the door lock power supply. The door lock power supply needs to be charged or replaced frequently, which greatly affects the user experience of the smart door lock. In addition, most traditional smart door locks only have the function of opening and closing the door lock with a mechanical key. Once the mechanical key is lost or forgotten, it is difficult to open the door lock, affecting people's travel. Utility Model Content

[0003] The purpose of the utility model is to provide a photovoltaic smart door lock to solve the problems of poor power endurance, poor intelligence and only mechanical key to open and close the door lock proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a photovoltaic intelligent door lock, comprising a lock body composed of a door inner component, a lock core and a door outer component, and a photovoltaic control unit and a power supply unit respectively installed on both sides of the inner cavity of the door inner component; the lock core is composed of a door lock drive unit, a current sensor and a limit switch, the door lock drive unit comprises a relay connected to the photovoltaic control unit, a drive motor connected to the relay, and a latch driven by the drive motor, the current sensor is connected between the latch and the photovoltaic control unit, and the limit switch is connected between the photovoltaic control unit and the latch; one end of the photovoltaic control unit is connected to a supercapacitor, one input end of the photovoltaic control unit is connected to a photovoltaic panel assembly, and the photovoltaic panel assembly is arranged on the lock body;

[0005] A mechanical keyhole is provided at the bottom of the surface of the outer door component, and the mechanical keyhole is connected to the latch. An external handle is arranged in the middle of the surface of the outer door component, and a fingerprint collection area is arranged on the external handle. A fingerprint collection module is installed in the fingerprint collection area. The fingerprint collection module is connected to the photovoltaic control unit, and a storage module is also arranged between the input end of the fingerprint collection module and the photovoltaic control unit.

[0006] Preferably, the photovoltaic panel assembly consists of a first photovoltaic panel and a second photovoltaic panel, the first photovoltaic panel is arranged on the surface of the inner door component, and the second photovoltaic panel is arranged on the surface of the outer door component.

[0007] Preferably, the photovoltaic panel assembly is connected to a power supply unit through a photovoltaic control unit. The power supply unit consists of a battery compartment and a lithium battery installed in the battery compartment. The photovoltaic panel assembly receives and converts light energy and transmits it through the photovoltaic control unit to charge the lithium battery.

[0008] Preferably, an input end of the photovoltaic control unit is also connected to a USB charging interface, and the USB charging interface is located on the top surface of the left side of the door inner component and is electrically connected to the power supply unit.

[0009] Preferably, an internal safety lock is installed at the bottom of the front side of the door inner component, and an internal handle is arranged at the middle of the front side of the door inner component.

[0010] The beneficial effects of the utility model are:

[0011] The utility model integrates photovoltaic charging and wired charging functions for the door lock power supply, has a high degree of intelligence, can use the supercapacitor to preferentially power the smart door lock when the capacitor power is sufficient, and after the supercapacitor is fully charged, the photovoltaic will directly charge the lithium battery, thereby greatly improving the endurance of the door lock power supply. At the same time, under the action of the fingerprint acquisition module, the photovoltaic control unit, the storage module, the relay and the door lock drive unit, the door lock has the function of fingerprint unlocking, and the door lock can be opened and closed without carrying a mechanical key all the time, which greatly improves the safety and convenience of use of the smart door lock, and is conducive to the promotion and use of the smart door lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural stereogram of the photovoltaic smart door lock of the utility model from a user perspective;

[0013] Figure 2 This is a structural stereogram of the photovoltaic smart door lock of the utility model from another use perspective;

[0014] Figure 3 This is a principle block diagram of the photovoltaic intelligent door lock of the utility model.

[0015] In the figure: 1 door interior parts, 101 interior handle, 102 No. 1 photovoltaic panel, 103 USB charging port, 2 battery compartment, 201 lithium battery, 3 lock cylinder, 301 latch, 302 door lock drive unit, 303 relay, 304 drive motor, 4 door exterior parts, 401 exterior handle, 402 fingerprint collection area, 4021 fingerprint collection module, 403 mechanical keyhole, 5 internal safety lock, 6 No. 2 photovoltaic panel, 7 photovoltaic control unit, 8 super capacitor, 9 current sensor, 10 limit switch, 11 storage module. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 , which provides a technical solution for the utility model, a photovoltaic intelligent door lock, including a lock body composed of a door inner component 1, a lock core 3 and a door outer component 4, and a photovoltaic control unit 7 and a power supply unit respectively installed on both sides of the inner cavity of the door inner component 1; the lock core 3 is composed of a door lock drive unit 302, a current sensor 9 and a limit switch 10, and the door lock drive unit 302 includes a relay 303 connected to the photovoltaic control unit 7, a drive motor 304 connected to the relay 303, and a latch 301 driven by the drive motor 304; it needs to be explained Yes, the opening and locking of the latch 301 are controlled by the cooperation of the fingerprint acquisition module 4021, the photovoltaic control unit 7, the relay 303 and the drive motor 304 to realize the switching of the smart door lock; wherein, the two ends of the current sensor 9 are respectively connected to the latch 301 and the photovoltaic control unit 7 by wires, and the current sensor 9 is connected between the latch 301 and the photovoltaic control unit 7, and the two ends of the limit switch 10 are respectively connected to the latch 301 and the photovoltaic control unit 7 by wires, and the limit switch 10 is connected between the photovoltaic control unit 7 and the latch 301.

[0018] In this embodiment, one end of the photovoltaic control unit 7 is connected to the supercapacitor 8, and an input end of the photovoltaic control unit 7 is connected to the photovoltaic panel assembly, and the photovoltaic panel assembly is arranged on the lock body; wherein, a mechanical keyhole 403 is provided at the bottom of the surface of the door outer component 4, and its mechanical keyhole 403 is connected to the latch 301. By using the mechanical keyhole 403, the latch 301 can be opened by the user's spare mechanical key, thereby improving the convenience of using the smart door lock; an external handle 401 is arranged in the middle of the surface of the door outer component 4 mentioned above, and a fingerprint collection area 402 is arranged on the external handle 401, and a fingerprint collection module 4021 is installed at the fingerprint collection area 402, and the fingerprint collection module 4021 is connected to the photovoltaic control unit 7, and a storage module 11 is also provided between the input end of the fingerprint collection module 4021 and the photovoltaic control unit 7, and the storage module 11 is used to store fingerprint information and the operation control program of the smart door lock.

[0019] It should be noted that the photovoltaic panel assembly mentioned is composed of a No. 1 photovoltaic panel 102 and a No. 2 photovoltaic panel 6. The No. 1 photovoltaic panel 102 is arranged on the surface of the inner door component 1, and the No. 2 photovoltaic panel 6 is arranged on the surface of the outer door component 4; the photovoltaic panel assembly is connected to the power supply unit through a photovoltaic control unit 7, and the power supply unit is composed of a battery compartment 2 and a lithium battery 201 installed in the battery compartment 2. The photovoltaic panel assembly receives and converts light energy and transmits it through the photovoltaic control unit 7 to charge the lithium battery 201; the lithium battery 201 mentioned supplies power to the photovoltaic control unit 7.

[0020] In this embodiment, an input end of the photovoltaic control unit 7 is also connected to a USB charging interface 103, which is located on the top left side of the door interior component 1 and is electrically connected to the power supply unit; an internal safety lock 5 is installed at the bottom of the front side of the door interior component 1, and an internal handle 101 is provided in the middle of the front side of the door interior component 1; wherein, the setting of the internal safety lock 5 can increase the safety of the smart door lock when in use, and the double locking effect of the smart door lock is achieved by utilizing the internal safety lock 5.

[0021] In the photovoltaic smart door lock, the photovoltaic control unit 7 receives and converts the photoelectric energy received in the photovoltaic panel assembly, and then charges the photoelectric energy to the supercapacitor 8 first through the photovoltaic control unit 7. After the supercapacitor 8 is fully charged, the photovoltaic control unit 7 charges the lithium battery 201 with the electricity generated by the photovoltaic panel assembly, and gives priority to supplying power to the smart door lock when the power of the supercapacitor 8 is sufficient. When in use, the user can hold the outer handle 401 and place the finger in the fingerprint collection area 402, and the fingerprint collection module 4021 collects the fingerprint of the holder. When the fingerprint collection module 4021 collects the fingerprint and matches it with the fingerprint of the designated person of the door lock owner stored in the storage module 11: when the currently collected fingerprint matches the fingerprint data in the storage module 11, a command is issued and transmitted to the photovoltaic control unit. The photovoltaic control unit 7 transmits the control instruction to the relay 303, the relay 303 is energized and then drives the drive motor 304 to run, and when the drive motor 304 runs, it drives the latch 301 to run to open the door lock; when the currently collected fingerprint does not match the fingerprint data in the storage module 11, the relay 303 is not energized and the latch 301 closes the door lock; it should be noted that the photovoltaic smart door lock can be connected to a buzzer at the photovoltaic control unit 7 during actual use. When the fingerprint matches, the door lock opens and the buzzer does not alarm. When the fingerprint does not match for three times, the buzzer will alarm for 3-10 seconds. The buzzer is built into the lock body, and the structural principle of the buzzer is a well-known technology on the market, so it will not be repeated here.

[0022] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0023] The above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be understood that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. In the utility model, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, or a detachable connection, or integrated; it can be a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components; among them, there are many ways of detachable installation, for example, it can be through the method of plug-in and snap-fit, for example, through the method of bolt connection, etc.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A photovoltaic smart door lock, comprising a lock body consisting of a door inner component, a lock core and a door outer component, and a photovoltaic control unit and a power supply unit respectively installed on both sides of the inner cavity of the door inner component; characterized in that: The lock core is composed of a door lock drive unit, a current sensor and a limit switch. The door lock drive unit includes a relay connected to a photovoltaic control unit, a drive motor connected to the relay, and a latch driven by the drive motor. The current sensor is connected between the latch and the photovoltaic control unit, and the limit switch is connected between the photovoltaic control unit and the latch. One end of the photovoltaic control unit is connected to a super capacitor, and one input end of the photovoltaic control unit is connected to a photovoltaic panel assembly, which is arranged on the lock body. A mechanical keyhole is provided at the bottom of the surface of the outer door component, and the mechanical keyhole is connected to the latch. An external handle is arranged in the middle of the surface of the outer door component, and a fingerprint collection area is arranged on the external handle. A fingerprint collection module is installed in the fingerprint collection area. The fingerprint collection module is connected to the photovoltaic control unit, and a storage module is also arranged between the input end of the fingerprint collection module and the photovoltaic control unit.

2. A photovoltaic smart door lock according to claim 1, characterized in that: The photovoltaic panel assembly consists of a first photovoltaic panel and a second photovoltaic panel. The first photovoltaic panel is arranged on the surface of the inner door component, and the second photovoltaic panel is arranged on the surface of the outer door component.

3. A photovoltaic smart door lock according to claim 1, characterized in that: The photovoltaic panel assembly is connected to a power supply unit through a photovoltaic control unit. The power supply unit consists of a battery compartment and a lithium battery installed in the battery compartment. The photovoltaic panel assembly receives and converts light energy and transmits it through the photovoltaic control unit to charge the lithium battery.

4. A photovoltaic smart door lock according to claim 1, characterized in that: An input end of the photovoltaic control unit is also connected to a USB charging interface, which is located on the top surface of the left side of the door inner component and is electrically connected to the power supply unit.

5. The photovoltaic smart door lock according to claim 1, characterized in that: An internal safety lock is installed at the bottom of the front side of the door inner component, and an internal handle is arranged at the middle of the front side of the door inner component.

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