Light beam charging system for intelligent door lock, intelligent door lock and door

Abstract

The embodiment of the utility model discloses a light beam charging system for an intelligent door lock, the intelligent door lock and a door. The light beam charging system for the intelligent door lock comprises a light beam driving circuit, a transmitting end and a receiving end, and the light beam driving circuit is connected with the transmitting end; the transmitting end comprises a light emitting unit, a feedback device and a shaping diaphragm, the light beam driving circuit is configured to supply power to the light emitting unit, and the shaping diaphragm is configured to be capable of shaping light beams emitted by the light emitting unit; the receiving end comprises a reflecting mirror, a photoelectric conversion device and a charging circuit, the shape of a light spot, irradiated on the receiving end, of the shaped light beam is matched with the shape of the photoelectric conversion device, and the size of the light spot is larger than that of the photoelectric conversion device, so that residual light spots are formed. According to the embodiment, wireless charging of the intelligent door lock can be achieved, a battery does not need to be replaced, user experience is improved, and possibility is provided for expansion of other functions of the intelligent door lock.

Description

Technical Field

[0001] Embodiments of this disclosure relate to the field of smart door lock technology, and more specifically to a beam charging system for a smart door lock, a smart door lock, and a door. Background Technology

[0002] Smart locks, as a typical example of the Internet of Things (IoT) and smart homes, can alleviate the anxiety of users forgetting to bring their keys when leaving home. Currently, smart locks typically use lithium batteries for power or directly utilize lasers to emit laser light to photovoltaic cells for wireless charging.

[0003] However, when using the aforementioned smart locks, the following technical problems often arise: the lithium batteries in smart locks require manual replacement after a period of operation. If the lithium battery runs out of power before unlocking, the lock cannot be opened smoothly, causing inconvenience to the user experience and severely limiting the expansion of other functions (such as high-power functions). As for charging schemes that directly utilize lasers for emission, when the shape of the laser beam does not match the shape of the photovoltaic cell, a large area of ​​beam is wasted, resulting in low utilization of the output laser power.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background of the inventive concept, and therefore may contain information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0005] The summary portion of this disclosure is intended to provide a brief overview of the concepts, which will be described in detail in the detailed description portion. This summary portion is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.

[0006] Some embodiments of this disclosure provide a beam charging system for a smart lock, a smart lock, and a door to address one or more of the technical problems mentioned in the background section above.

[0007] In a first aspect, some embodiments of this disclosure provide a beam charging system for a smart door lock, comprising: a beam driving circuit, a transmitter, and a receiver, wherein the beam driving circuit is connected to the transmitter; the transmitter includes a light-emitting unit, a feedback device, and a shaping aperture, wherein the beam driving circuit is configured to power the light-emitting unit, and the shaping aperture is configured to shape the beam emitted by the light-emitting unit; the receiver includes a reflector, a photoelectric conversion device, and a charging circuit, wherein the shape of the light spot illuminating the receiver after shaping matches the shape of the photoelectric conversion device, and the size of the light spot is larger than the size of the photoelectric conversion device to form a residual light spot.

[0008] Optionally, the reflector is configured to reflect the remaining light spot to the feedback device, and the feedback device is configured to receive the reflected light and drive the switching on and off of the beam driving circuit.

[0009] Alternatively, the aforementioned reflector is a cornerstone prism.

[0010] Optionally, the size of the photoelectric conversion device is smaller than the size of the opening end of the reflector.

[0011] Optionally, the photoelectric conversion device is disposed above the reflector and is configured to convert the received light beam emitted by the light-emitting unit into electrical energy. The charging circuit is connected to the photoelectric conversion device and is configured to transmit electrical energy to the battery assembly of the smart door lock.

[0012] Optionally, the shaping aperture is provided with a light-transmitting gap, which is configured to allow the light beam emitted by the light-emitting unit to pass through.

[0013] Optionally, the shaping aperture includes light-shielding strips, which are staggered in the light-transmitting gap, and the light-shielding strips can adjust the shape and size of the light beam transmitted from the light-transmitting gap.

[0014] Optionally, the photoelectric conversion device is provided with a transparent cover on its outer layer.

[0015] Secondly, some embodiments of this disclosure provide a smart lock, including: a smart lock body and a beam charging system for the smart lock as described in any implementation of the first aspect above, wherein the smart lock body includes a lock assembly, a battery assembly and a lock panel.

[0016] Thirdly, some embodiments of this disclosure provide a door, including a door body and an intelligent door lock as described in any implementation of the second aspect above.

[0017] The various embodiments disclosed above have the following beneficial effects: Through the beam charging system for smart locks according to some embodiments of this disclosure, wireless charging of smart locks can be achieved without battery replacement, improving user experience and providing possibilities for expanding other functions of smart locks. Specifically, the reason for the inconvenience in improving user experience and severely limiting the expansion of other functions of smart locks is that the lithium battery of the smart lock needs to be manually replaced after working for a period of time. If the lithium battery is depleted before unlocking, it will prevent the lock from unlocking smoothly, causing inconvenience to the user experience and severely limiting the expansion of other functions of the smart lock (such as high-power functions). In charging schemes that directly utilize laser emission, when the shape of the laser beam output does not match the shape of the photocell, a large area of ​​the beam is wasted, resulting in low utilization of the output laser power. Based on this, some embodiments of the beam charging system for smart locks disclosed herein include a beam driving circuit, a transmitter, and a receiver. The beam driving circuit is connected to the transmitter. The transmitter includes a light-emitting unit, a feedback device, and a shaping aperture. The beam driving circuit is configured to power the light-emitting unit, and the shaping aperture is configured to shape the beam emitted by the light-emitting unit. The receiver includes a reflector, a photoelectric conversion device, and a charging circuit. The shape of the light spot illuminating the receiver matches the shape of the photoelectric conversion device, and the size of the light spot is larger than the size of the photoelectric conversion device to form a residual light spot. Because the light beam can be emitted from the light-emitting unit to the receiver on the smart lock, the received beam can be converted into electrical energy and transmitted to the smart lock's battery assembly, achieving wireless charging of the smart lock without the need for battery replacement, thus improving the user experience. This also provides a sufficient and convenient power source for the smart lock, thereby enabling the expansion of other functions of the smart lock. Furthermore, the on / off state of the beam driving circuit can be controlled by a feedback device. This allows the circuit to be cut off when the feedback device does not receive reflected light, and the light-emitting unit to be shut off when someone blocks the light, reducing the risk of beam damage to the human body and further improving the user experience. Also, because the beam spot is shaped and slightly larger than the photoelectric conversion device's spot, it can reflect part of the beam back to the transmitter while reducing beam waste, thus increasing the utilization area and efficiency of the beam spot, and consequently improving the utilization rate of the output beam's optical power. This enables wireless charging of smart locks without the need for battery replacement, improving the user experience and opening up possibilities for expanding other functions of smart locks, while also increasing the utilization rate of the output beam's optical power. Attached Figure Description

[0018] The above and other features, advantages, and aspects of the embodiments of this disclosure will become more apparent from the accompanying drawings and the following detailed description. Throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic, and elements are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of a beam charging system for a smart door lock according to some embodiments of the present disclosure;

[0020] Figure 2 This is a schematic diagram of the structure of the transmitter of a beam charging system for a smart door lock according to some embodiments of the present disclosure;

[0021] Figure 3 This is a schematic diagram of the structure of the receiver end of a beam charging system for a smart door lock according to some embodiments of the present disclosure;

[0022] Figure 4 This is another schematic diagram of the receiver of a beam charging system for a smart door lock according to some embodiments of the present disclosure;

[0023] Figure 5 This is a schematic diagram of the structure of a photoelectric conversion device for a beam charging system for a smart door lock according to some embodiments of the present disclosure. Detailed Implementation

[0024] Embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings. While some embodiments of this disclosure are shown in the drawings, it should be understood that this disclosure can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of this disclosure. It should be understood that the accompanying drawings and embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.

[0025] It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings. Unless otherwise specified, the embodiments and features described in this disclosure can be combined with each other.

[0026] It should be noted that the concepts of "first" and "second" mentioned in this disclosure are used only to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or their interdependencies.

[0027] It should be noted that the terms "a" and "a plurality of" used in this disclosure are illustrative rather than restrictive, and those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0028] The names of messages or information exchanged between multiple devices in the embodiments of this disclosure are for illustrative purposes only and are not intended to limit the scope of such messages or information.

[0029] Figure 1 This is a schematic diagram of a beam charging system for a smart door lock according to some embodiments of the present disclosure. Figure 1 It includes a beam driving circuit 1, a transmitter 2, a receiver 3, a light-emitting unit 21, a feedback device 22, a beam collimating lens 23, a shaping aperture 24, a reflector 31, a photoelectric conversion device 32, and a charging circuit 33.

[0030] Figure 2 This is a schematic diagram of the transmitter of a beam charging system for a smart door lock according to some embodiments of the present disclosure. Figure 2 It includes a shaping aperture 24, a light-transmitting gap 241, a light-shielding strip 242, and a feedback receiving device 25.

[0031] Figure 3 This is a schematic diagram of the receiver end of a beam charging system for a smart door lock according to some embodiments of the present disclosure. Figure 3 It includes a reflector 31, a photoelectric conversion device 32, and a base 4.

[0032] Figure 4 This is another schematic diagram of the receiver of a beam charging system for a smart door lock according to some embodiments of the present disclosure. Figure 4 It includes a reflector 31, a photoelectric conversion device 32, and a base 4.

[0033] Figure 5 This is a schematic diagram of the structure of a photoelectric conversion device for a beam charging system for a smart door lock according to some embodiments of the present disclosure. Figure 5 It includes a photoelectric conversion device 32, a positive electrode 321, a negative electrode 322, and a solder pad 323.

[0034] In some embodiments, a beam charging system for a smart lock may include a beam driving circuit 1, a transmitter 2, and a receiver 3. The beam driving circuit 1 is connected to the transmitter 2. The beam driving circuit 1 can be a power supply circuit for the transmitter 2 and can control the operation of the light-emitting unit 21. In practice, the beam driving circuit 1 can be connected to alternating current. The transmitter 2 can be a device configured to emit a beam. The receiver 3 can be a device on the smart lock configured to convert the received beam into electrical energy. Wireless beam charging of the smart lock can be achieved through the transmitter and receiver. The smart lock may include, but is not limited to, combination locks, fingerprint locks, palm vein recognition locks, and finger vein recognition locks. Here, the type of smart lock is not limited.

[0035] In some embodiments, the transmitting end 2 may include a light-emitting unit 21, a feedback device 22, and a shaping aperture 24. The light-emitting unit 21 can emit a light beam. For example, the light-emitting unit can be a laser or an infrared light emitter. The feedback device 22 can detect whether a reflected light beam is reflected back from the receiving end 3. For example, the light-emitting unit can be a fiber optic light-emitting unit. The fiber optic light-emitting unit can be an 808nm wavelength near-infrared semiconductor fiber optic light-emitting unit, outputting through coupling into an optical fiber. The feedback device 22 may include a silicon photovoltaic cell. For example, the silicon photovoltaic cell can be a single-crystal silicon 5×5mm 0.5V 10mA (bare) wafer. The beam driving circuit 1 can be configured to power the light-emitting unit 21. Specifically, when the circuit is turned on (switch closed), the beam driving circuit 1 can power the light-emitting unit 21, causing the light-emitting unit 21 to emit a light beam. The transmitting end 2 can be configured to be fixed towards the receiving end 3, so that the light beam emitted by the light-emitting unit 21 can be received by the receiving end 3. The shaping aperture 24 can be a physical aperture or opening used to adjust the shape and size of the light beam. The shaping aperture 24 can be configured to shape the light beam emitted by the light-emitting unit 21. The shaping aperture 24 can be positioned in the light beam emission direction of the light-emitting unit 21. The shape of the shaped light beam spot can be adapted to the shape of the photoelectric conversion device 32. Typically, the photoelectric conversion device 32 can be square, in which case the shaping aperture 24 can be configured as a transparent structure with a square shape or at least two straight sides. For example, Figure 2 In the light-transmitting structure, the three sides can be straight, and the light beam can be emitted from the lower end of the light-transmitting structure, while the remaining light beam is blocked by the non-light-transmitting part of the shaping aperture 24. Figure 2 In the image, the black area can be the light beam emitted by the light-emitting unit that can pass through. Therefore, by controlling the shape and size of the light beam through the shaping aperture 24, the cross-sectional shape and size of the light beam spot can be adjusted to achieve the desired light beam shape and performance.

[0036] Alternatively, the aforementioned beam can be a laser. This enables wireless laser charging.

[0037] Optionally, the aforementioned transmitting end 2 may further include a beam collimating lens 23. The light beam emitted by the aforementioned light-emitting unit 21 enters the aforementioned beam collimating lens 23. The beam collimating lens 23 can be a device for collimating the light beam into parallel light. The aforementioned beam collimating lens 23 can be configured to output a collimated beam. For example, when the aforementioned light-emitting unit 21 is an optical fiber light-emitting unit, the optical fiber can be connected to the beam collimating lens 23, and the beam collimating lens 23 can convert the diverging light transmitted from the optical fiber into parallel light. Thus, precise beam control and processing can be performed.

[0038] Optionally, such as Figure 2As shown, a light-transmitting gap 241 can be provided in the shaping aperture 24. The light-transmitting gap 241 can be configured to allow the light beam emitted by the light-emitting unit to pass through. For example, the light-transmitting gap 241 can be an elongated opening located at the center of the shaping aperture 24. A light-shielding strip 242, intersecting with the light-transmitting gap 241, can be provided outside the shaping aperture 24. For example, the light-shielding strip 242 can be a rectangular light-shielding sheet. The light-shielding strip 242 can be arranged perpendicularly to the light-transmitting gap 241. The light-shielding strip 242 can be configured as an adjustable structure capable of adjusting the shape and size of the light beam transmitted through the light-transmitting gap 241. The light-shielding strip 242 can also be fixedly connected to the outside of the shaping aperture 24. Thus, the light beam can be shaped by the light-shielding strip in conjunction with the light-transmitting gap.

[0039] Optionally, the feedback device 22 may include a feedback response circuit and a feedback receiving device. The feedback response circuit may be a circuit connecting the feedback receiving device and the beam driving circuit 1. The feedback receiving device may be a silicon photovoltaic cell. The feedback receiving device can convert the reflected light emitted by the reflector 31 into electrical energy. The feedback response circuit can keep the beam driving circuit on when the electrical energy converted by the feedback receiving device meets a preset feedback condition, and disconnect the beam driving circuit when the electrical energy converted by the feedback receiving device does not meet the preset feedback condition. The preset feedback condition may be that the voltage corresponding to the converted electrical energy is greater than or equal to a preset value. For example, the preset value may be 0.5V. Thus, when the electrical energy converted from the reflected light received by the feedback receiving device does not meet the preset feedback condition, it indicates that a portion of the reflected light or incident light is blocked. At the smart door lock, the object blocking this portion of light is most likely a human body. In this case, controlling the disconnection of the beam driving circuit can prevent the light-emitting unit from continuing to emit the beam, thereby reducing the damage caused by the beam to the human body.

[0040] Optionally, such as Figure 2 As shown, the feedback receiving device 25 can be disposed on the bottom surface of the light-shielding strip 242, with the light-receiving surface of the feedback receiving device 25 facing outward. This simplifies the transmitter structure, and the position of the light-shielding strip allows for better reception of reflected light.

[0041] In some embodiments, the receiver 3 can be disposed on the panel of the smart door lock. Here, the panel can be an inner panel or an outer panel. Correspondingly, when the receiver 3 is disposed on the inner panel, the transmitter 2 can be disposed inside the door at a position facing the receiver 3 (e.g., indoor ceiling). When the receiver 3 is disposed on the outer panel, the transmitter 2 can be disposed outside the door at a position facing the receiver 3 (e.g., outdoor ceiling). The receiver 3 can include a reflector 31, a photoelectric conversion device 32, and a charging circuit 33. The reflector 31 can be a component that reflects a light beam. The reflector 31 can be a cornerstone prism. For example, the reflector 31 can be a circular cornerstone prism or a rectangular cornerstone prism. The size of the reflector 31 is larger than the size of the photoelectric conversion device 32, so that the reflector 31 can receive a portion of the incident light beam to feed back to the feedback device. The photoelectric conversion device 32 can convert light energy into electrical energy. For example, the photoelectric conversion device 32 can be a photovoltaic cell. Schematic, the photoelectric conversion device 32 can be a gallium arsenide battery with dimensions of 11.5mm*11.2mm, a thickness of 30μm, a characteristic wavelength of 808nm, a conversion efficiency of ≥38%, an output power of 550mW, an open-circuit voltage of ≥2.25V, an operating voltage of ≥2V, a short-circuit current of ≥300mA, and an operating current of ≥275mA.

[0042] In some embodiments, the shape of the light spot illuminating the receiving end 3 after shaping matches the shape of the photoelectric conversion device 32, and the size of the light spot is larger than the size of the photoelectric conversion device 32. For example, when the photoelectric conversion device 32 is square, the shape of the light spot can also be square or approximately square. The larger size of the light spot compared to the photoelectric conversion device 32 allows a portion of the light beam to be reflected back to the transmitting end 2 via the reflector 31. Therefore, a light spot with a matching shape and a size slightly larger than the photoelectric conversion device can both reflect a portion of the light beam back to the transmitting end and reduce light spot waste, thereby increasing the utilization area and efficiency of the light spot, and consequently increasing the optical power of the output beam.

[0043] The aforementioned reflector 31 can be configured to reflect the received light beam emitted by the aforementioned light-emitting unit to the aforementioned feedback device 22. The aforementioned feedback device 22 can receive the reflected light and drive the switching of the aforementioned beam driving circuit 1. For example, the aforementioned feedback device 22 can keep the aforementioned beam driving circuit 1 on when the reflected light is detected, and cut off the aforementioned beam driving circuit 1 when the reflected light is not detected. After the aforementioned beam driving circuit 1 is cut off, the aforementioned beam driving circuit 1 can be restarted by a button on the smart lock or a control in the display, or the aforementioned beam driving circuit 1 can be restarted by a terminal device. The smart lock and the terminal device can communicate with the aforementioned beam driving circuit 1. The aforementioned beam driving circuit 1 can be equipped with a wireless switch. The wireless switch can communicate with the smart lock or the terminal device. For example, the communication connection method can include, but is not limited to, at least one of the following: Bluetooth, WiFi, Zigbee, LoRa, WWAN, WLAN, WMAN, WPAN. The aforementioned photoelectric conversion device 32 can be placed over the aforementioned reflector 31, so that the aforementioned photoelectric conversion device 32 can receive the light beam over the aforementioned reflector 31. The portion of the reflector 31 blocked by the photoelectric conversion device 32 does not receive the light beam. The photoelectric conversion device 32 can be configured to convert the received light beam emitted by the light-emitting unit 21 into electrical energy. The charging circuit 33 can be configured to transfer electrical energy to the battery assembly of the smart lock. The charging circuit 33 can be configured to be circuitically connected to the battery assembly of the smart lock. The battery assembly can power the smart lock and also store electrical energy. For example, the battery assembly can be a lithium battery.

[0044] Optionally, such as Figure 3 As shown, the aforementioned reflector 31 can be a cornerstone prism. Figure 3 In the middle, the cornerstone prism 31 can be a circular cornerstone prism. (Reference) Figure 4 The cornerstone prism 31 can also be a long, narrow cornerstone prism. A significant characteristic of the cornerstone prism is that for any incident ray entering the aperture, regardless of the angle of incidence, after three reflections, the ray or image will be reflected back 180° in its original direction, thus generating an inverted image. Due to this optical property, the cornerstone prism can be used to reflect feedback light spots, using light as the feedback signal. The transmission time is negligible compared to Bluetooth and wireless network communication, greatly reducing the system's feedback protection response time.

[0045] The aforementioned reflector 31 can be fixedly connected to the base 4. The base can be installed in a smart door lock. For example, the base can be a PCB base. The size of the aforementioned photoelectric conversion device 32 can be smaller than the opening size of the aforementioned reflector 31 to ensure that a portion of the light beam can hit the aforementioned reflector 31 and be reflected to the feedback device 22. The aforementioned photoelectric conversion device 32 can be fixed to the outer port of the aforementioned reflector 31. For example, the aforementioned photoelectric conversion device 32 can be snapped into the outer port of the aforementioned reflector 31. The spot size of the light beam received by the aforementioned receiving end 3 is larger than the size of the aforementioned photoelectric conversion device 32. After the light beam entering the aforementioned reflector 31 is reflected, it is reflected from the aforementioned reflector to the aforementioned feedback device in a reflection direction parallel and symmetrical to the incident direction. The spot can be formed after the light beam irradiates the aforementioned receiving end 3. The axis of symmetry between the incident direction and the reflection direction corresponding to the aforementioned reflector can be the central vertical axis of the aforementioned reflector. The incident and reflection directions of the aforementioned reflector are located in two regions defined by the photoelectric conversion device. Light beams incident on the reflector enter from one of these regions and exit from the other. Therefore, by only requiring light to enter from one region, beam obstruction in both the incident and reflection directions can be determined, reducing the amount of incoming light and thus minimizing potential harm to the human body. Furthermore, due to the small size of the photovoltaic cells, the time a person moves near the smart lock and obstructs the photoelectric conversion device is very short, enabling rapid feedback protection. Experimental measurements show that the feedback response time of this solution is less than one millisecond.

[0046] Optionally, the photoelectric conversion device 32 may include a photovoltaic cell. The photovoltaic cell may have a positive electrode 321 and a negative electrode 322. Figure 5 In the aforementioned photoelectric conversion device 32, the back side (not shown) may also include a positive electrode, which can be integrated with the positive electrode 321. The aforementioned negative electrode 322 can be connected to the solder pad 323 via a wire. The aforementioned charging circuit 33 can be connected to the aforementioned negative electrode 322 via the aforementioned solder pad 323. The aforementioned charging circuit 33 can be connected to the aforementioned positive electrode 321 via a wire. Thus, the charging circuit can be connected through the positive and negative electrodes of the photoelectric conversion device 32.

[0047] Figure 5 In the diagram, the dashed box represents the area illuminated by the light beam. This area includes both the photovoltaic cell area and the non-photovoltaic cell area. The photovoltaic cell area can be the region containing the photovoltaic cells. Alternatively, it can be a portion of the region outside the photovoltaic cells. The light beam illuminating this portion outside the photovoltaic cells is incident on the reflector and exits from a symmetrical region below the photovoltaic cell area.

[0048] Optionally, during the charging state of the aforementioned beam charging system, the wavelength of the beam emitted by the light-emitting unit is greater than the maximum visible light wavelength. For example, the maximum visible light wavelength can be 780 nm. The wavelength of the beam emitted by the light-emitting unit can be 808 nm. Therefore, wireless beam charging can be performed using an invisible beam, enabling seamless charging and improving the user experience.

[0049] Optionally, a transparent cover can be provided on the outer layer of the aforementioned photoelectric conversion device 32. The higher the transparency of the transparent cover, the smaller the impact on the beam charging efficiency. Thus, the transparent cover can achieve dustproof, waterproof, and touchproof effects.

[0050] Optionally, the aforementioned transmitter may also include a mounting bracket.

[0051] The aforementioned fixed bracket may include a base, individual bracket sections, and a final connecting end. Each pair of bracket sections is connected by fasteners. One side of the base may be fixed to a flat surface, while the other side may be connected to a bracket section. The bracket sections may be straight rods. Each bracket section is movable to adjust the position and orientation of the final connecting end. The fasteners may be screws.

[0052] The end of the support section connected to the base may be provided with a ball head, and a spherical shell may be provided on the base. A fastening ring is provided around the spherical shell, and the ball head is disposed in the spherical shell. The fastening ring may include a ring band and a ring band locking member. The ring band can pass through at least one ring band hole provided on the outside of the spherical shell. The ring band locking member may be a screw.

[0053] A spherical shell may be provided at the end of the support segment connected to the aforementioned final connection end. A fastening ring may be provided around the spherical shell. A ball head may be provided at the front end of the aforementioned final connection end, and the ball head is disposed within the spherical shell.

[0054] The aforementioned light-emitting unit and feedback device can be an integrated structure, which can be located at the end of the aforementioned final connection. The integrated structure can be fixed to the end of the aforementioned final connection using screws.

[0055] The aforementioned fixing bracket can be configured to adjust the position and / or orientation of the aforementioned light-emitting unit to calibrate the light beam emitted onto the light-receiving surface of the aforementioned photoelectric conversion device. The light spot emitted onto the light-receiving surface of the aforementioned photoelectric conversion device is displayed in an image taken while aligning with the aforementioned photoelectric conversion device. In practice, during calibration, an image can be taken of the light-receiving surface of the photoelectric conversion device using a mobile phone. The captured image can be used to confirm whether the light spot covers the light-receiving surface of the photoelectric conversion device, thereby confirming whether the calibration is complete.

[0056] The base of the aforementioned fixed bracket is fixed to a supporting surface. This supporting surface can be a ceiling, a wall, or a vertical rod. The specific design of the supporting surface is not limited here.

[0057] The aforementioned fixed bracket serves as an inventive point of this disclosure, solving the technical problem of "low installation efficiency due to position and angle limitations after installation position confirmation, preventing beam charging calibration and necessitating further adjustments to the installation position." Factors contributing to low installation efficiency often include: after installation position confirmation, position and angle limitations prevent the light emitted by the light-emitting unit from hitting the light-receiving surface of the photoelectric conversion device, hindering beam charging calibration and requiring further adjustments to the installation position. Solving these factors improves installation efficiency. To achieve this, this disclosure introduces a fixed bracket comprising a multi-section rod and a spherical connection structure. After the emitting end is installed, the position and / or direction of the light-emitting unit can be adjusted using the fixed bracket to calibrate the light emitted onto the light-receiving surface of the photoelectric conversion device, thereby reducing the number of adjustments required and improving installation efficiency.

[0058] Optionally, the aforementioned transmitter may further include a gimbal bracket and a shooting device. The gimbal bracket may include a first rotating mechanism, a second rotating mechanism, and a third moving mechanism. The first rotating mechanism may be disposed within the second rotating mechanism. The rotatable direction of the first rotating mechanism is different from the rotatable direction of the second rotating mechanism. The second rotating mechanism may be disposed on the third moving mechanism. The third moving mechanism may be fixed to a support surface. The third moving mechanism may be configured to drive the second rotating mechanism to move. For example, the third moving mechanism may drive the second rotating mechanism to move horizontally and / or vertically. The second rotating mechanism may be configured to drive the first rotating mechanism to rotate. For example, the second rotating mechanism may drive the first rotating mechanism to rotate up and down. The rotation direction of the first rotating mechanism may be left and right. The first rotating mechanism, the second rotating mechanism, and the third moving mechanism may be servo motors or stepper motors.

[0059] The aforementioned light-emitting unit and feedback device can be an integrated structure and can be housed within the aforementioned first rotating mechanism. The aforementioned shooting device can be a camera. The aforementioned shooting device can be housed within the aforementioned first rotating mechanism. The aforementioned first rotating mechanism can be configured to drive the aforementioned light-emitting unit, feedback device, and shooting device to rotate.

[0060] The various embodiments disclosed above have the following beneficial effects: Through the beam charging system for smart locks according to some embodiments of this disclosure, wireless charging of smart locks can be achieved without battery replacement, improving user experience and providing possibilities for expanding other functions of smart locks. Specifically, the reason for the inconvenience in improving user experience and severely limiting the expansion of other functions of smart locks is that the lithium battery of the smart lock needs to be manually replaced after working for a period of time. If the lithium battery is depleted before unlocking, it will prevent the lock from unlocking smoothly, causing inconvenience to the user experience and severely limiting the expansion of other functions of the smart lock (such as high-power functions). In charging schemes that directly utilize laser emission, when the shape of the laser beam output does not match the shape of the photocell, a large area of ​​the beam is wasted, resulting in low utilization of the output laser power. Based on this, some embodiments of the beam charging system for smart locks disclosed herein include a beam driving circuit, a transmitter, and a receiver. The beam driving circuit is connected to the transmitter. The transmitter includes a light-emitting unit, a feedback device, and a shaping aperture. The beam driving circuit is configured to power the light-emitting unit, and the shaping aperture is configured to shape the beam emitted by the light-emitting unit. The receiver includes a reflector, a photoelectric conversion device, and a charging circuit. The shape of the light spot illuminating the receiver matches the shape of the photoelectric conversion device, and the size of the light spot is larger than the size of the photoelectric conversion device to form a residual light spot. Because the light beam can be emitted from the light-emitting unit to the receiver on the smart lock, the received beam can be converted into electrical energy and transmitted to the smart lock's battery assembly, achieving wireless charging of the smart lock without the need for battery replacement, thus improving the user experience. This also provides a sufficient and convenient power source for the smart lock, thereby enabling the expansion of other functions of the smart lock. Furthermore, the on / off state of the beam driving circuit can be controlled by a feedback device. This allows the circuit to be cut off when the feedback device does not receive reflected light, and the light-emitting unit to be shut off when someone blocks the light, reducing the risk of beam damage to the human body and further improving the user experience. Also, because the beam spot is shaped and slightly larger than the photoelectric conversion device's spot, it can reflect part of the beam back to the transmitter while reducing beam waste, thus increasing the utilization area and efficiency of the beam spot, and consequently improving the utilization rate of the output beam's optical power. This enables wireless charging of smart locks without the need for battery replacement, improving the user experience and opening up possibilities for expanding other functions of smart locks, while also increasing the utilization rate of the output beam's optical power.

[0061] In some embodiments, a smart lock may include a smart lock body and, for example, a smart lock itself. Figure 1-5The corresponding embodiments describe a beam charging system for smart locks. The smart lock body may include a lock assembly, a battery assembly, and a lock panel. The lock assembly may include, but is not limited to, a lock body, lock cylinder, bolt, handle, lock shell, and key. The battery assembly stores electrical energy and powers the smart lock. The lock panel may be a panel for interaction (e.g., entering a password, displaying a face). The lock panel may include, but is not limited to, a card reader, a biometric sensor, a button panel, and indicator lights. The receiver may be located under the lock panel, and the photoelectric conversion device may be fully exposed through a hole in the lock panel to receive the beam. Thus, the smart lock can be charged using the beam charging system.

[0062] In some embodiments, the door may include a door body and the aforementioned smart lock. The door body may include a door panel and a door frame.

[0063] The above description is merely a selection of preferred embodiments of this disclosure and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility models involved in the embodiments of this disclosure is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in the embodiments of this disclosure.

Claims

1. A light beam charging system for a smart door lock, characterized by, It includes a beam driving circuit, a transmitter, and a receiver, among which, The beam driving circuit is connected to the emitting end; The emitting end includes a light-emitting unit, a feedback device, and a shaping aperture, wherein the beam driving circuit is configured to power the light-emitting unit, and the shaping aperture is configured to shape the beam emitted by the light-emitting unit. The receiving end includes a reflector, a photoelectric conversion device, and a charging circuit. The shape of the light spot illuminating the receiving end after the beam is shaped matches the shape of the photoelectric conversion device, and the size of the light spot is larger than the size of the photoelectric conversion device to form a residual light spot.

2. The light beam charging system for a smart door lock according to claim 1, wherein, The reflector is configured to reflect the remaining light spot to the feedback device, which is configured to receive the reflected light and drive the switching on and off of the beam driving circuit.

3. The light beam charging system for a smart door lock according to claim 2, wherein, The reflector is a cornerstone prism.

4. The light beam charging system for a smart door lock according to claim 2, wherein, The size of the photoelectric conversion device is smaller than the size of the opening end of the reflector.

5. The beam charging system for smart door locks according to claim 1, characterized in that, The photoelectric conversion device is disposed above the reflector and is configured to convert the received light beam emitted by the light-emitting unit into electrical energy. The charging circuit is connected to the photoelectric conversion device and is configured to transmit electrical energy to the battery assembly of the smart door lock.

6. The beam charging system for a smart door lock according to claim 1, characterized in that, The shaping aperture has a light-transmitting gap, which is configured to allow light beams emitted by the light-emitting unit to pass through.

7. The beam charging system for a smart door lock according to claim 6, characterized in that, The shaping aperture includes light-shielding strips that are staggered in the light-transmitting gap, and the light-shielding strips can adjust the shape and size of the light beam transmitted from the light-transmitting gap.

8. The beam charging system for a smart door lock according to claim 1, characterized in that, The photoelectric conversion device is covered with a transparent cover.

9. A smart door lock, characterized in that, The invention includes a smart lock body and a beam charging system for a smart lock as described in any one of claims 1-8, wherein the smart lock body includes a lock assembly, a battery assembly, and a lock panel.

10. A door, characterized in that, It includes the door body and the smart door lock as described in claim 9.

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