Novel Hall gearbox
By designing the Hall gearbox, the low-power magnetic Hall sensor and bar magnet are used to solve the power consumption problem caused by infrared detection, which improves the detection success rate and reduces the power consumption of the smart lock.
Patent Information
- Application Number
- CN202421712205.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-07-19
AI Technical Summary
The knob position detection of existing smart locks mostly uses infrared detection technology, resulting in large power consumption.
The new Hall gear box designed using Hall principle uses a low-power magnetic Hall sensor and a customized strip magnet with a magnetic suitable force to trigger it with Hall sensor to improve the detection success rate and reduce power consumption.
Through the improvement of Hall principle, the detection time and distance are increased, the detection success rate is improved, and the switching lock power consumption of smart locks is reduced.
Smart Images

Figure CN223227191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear boxes, in particular to a novel Hall gear box. Background Art
[0002] A deadbolt lock is a type of smart lock that usually has high-tech features such as electronic passwords, fingerprint recognition, Bluetooth connectivity, etc. These locks are usually designed to operate fully automatically and can lock and unlock automatically, providing high security while also increasing convenience.
[0003] However, the knob position detection of conventional smart locks in the prior art mostly uses infrared detection technology, and the infrared element will continuously release information, which will easily consume the power of the smart lock.
[0004] Therefore, based on the above reasons, the present invention designs a new Hall gearbox, which adopts the Hall principle to improve the problem of inaccurate infrared light detection in existing products, and can also reduce the power consumption of smart locks in practical applications. Summary of the Invention
[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a new Hall gearbox. It adopts the Hall principle to improve the problem of inaccurate infrared light detection of existing products and can also reduce the power consumption of smart locks in practical applications.
[0006] In order to achieve the above-mentioned purpose, the utility model provides a novel Hall gearbox, comprising a gear upper shell and a gear lower shell, a motor is provided on one side of the bottom of the gear lower shell, and a motor input gear connected to the upper end of the motor is provided inside the gear lower shell, the motor input gear is meshed with the large gear of the first-stage gear, the small gear of the first-stage gear is meshed with the large gear of the second-stage gear, the small gear of the second-stage gear is meshed with the large gear of the third-stage gear, the small gear of the third-stage gear is meshed with the large gear of the fourth-stage gear, the small gear of the fourth-stage gear is meshed with the large gear of the fifth-stage gear, the small gear of the fifth-stage gear is meshed with the output gear, the inner ring of the output gear is sleeved on the rotating shaft, the top of the rotating shaft passes through the gear upper shell and is connected to the copper ring, and a PCB board is provided on the rotating shaft above the output gear.
[0007] The motor input gear, the first-stage gear, the second-stage gear, the third-stage gear, the fourth-stage gear and the fifth-stage gear are all double-layer gears.
[0008] The motor input gear, first-stage gear, second-stage gear, third-stage gear and fourth-stage gear all have the large gear on top and the small gear on the bottom.
[0009] The large gear of the five-stage gear is at the bottom and the small gear is at the top.
[0010] Hall sensors for calculating the output gear speed and number of revolutions are arranged at equal distances around the notch on the PCB board.
[0011] A bar magnet is arranged on the rotating shaft and above the circumference of the notch of the PCB board.
[0012] The beneficial effects of the present utility model are: using a low-power magnetic Hall sensor to save electricity; customizing a bar magnet with suitable magnetic force to cooperate with the Hall sensor for triggering, increasing the detection time, items and distance, improving the success rate of detection and reducing the power consumption of the smart lock when switching on and off. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall device of the utility model.
[0014] Figure 2 This is a schematic diagram of the internal installation of the present invention.
[0015] Figure 3 This is a perspective view of the overall installation of the utility model.
[0016] Figure 4 This is a perspective view of the installation position of the Hall sensor and magnet of the present invention.
[0017] Figure 5 This is a top view of the installation position of the Hall sensor of the present invention.
[0018] Figure 6 This is a three-dimensional diagram of the installation position of the Hall sensor and magnet of the present invention.
[0019] Description of reference numerals:
[0020] 1 Copper ring, 2 Gear upper housing, 3 Shaft, 4 PCB board, 5 Output gear, 6 Motor input gear, 7 First stage gear, 8 Second stage gear, 9 Third stage gear, 10 Fourth stage gear, 11 Fifth stage gear, 12 Gear lower housing, 13 Motor, 14 Bar magnet, 15 Hall sensor. DETAILED DESCRIPTION
[0021] The present invention will now be further described with reference to the accompanying drawings.
[0022] See also Figures 1 to 6The utility model provides a new Hall gearbox, including a gear upper shell 2 and a gear lower shell 12. A motor 13 is provided on one side of the bottom of the gear lower shell 12. A motor input gear 6 connected to the upper end of the motor 13 is provided inside the gear lower shell 12. The motor input gear 6 is meshed with the large gear of the first-stage gear 7, the small gear of the first-stage gear 7 is meshed with the large gear of the second-stage gear 8, the small gear of the second-stage gear 8 is meshed with the large gear of the third-stage gear 9, the small gear of the third-stage gear 9 is meshed with the large gear of the fourth-stage gear 10, the small gear of the fourth-stage gear 10 is meshed with the large gear of the fifth-stage gear 11, and the small gear of the fifth-stage gear 11 is meshed with the output gear 5. The inner ring of the output gear 5 is sleeved on the rotating shaft 3, and the top of the rotating shaft 3 passes through the gear upper shell 2 and is connected to the copper ring 1. A PCB board 4 is provided on the rotating shaft 3 above the output gear 5.
[0023] The motor input gear 6, the first-stage gear 7, the second-stage gear 8, the third-stage gear 9, the fourth-stage gear 10 and the fifth-stage gear 11 are all double-layer gears.
[0024] The motor input gear 6, the first-stage gear 7, the second-stage gear 8, the third-stage gear 9 and the fourth-stage gear 10 all have the large gear on the top and the small gear on the bottom.
[0025] The large gear of the five-stage gear 11 is at the bottom and the small gear is at the top.
[0026] Hall sensors 15 for calculating the rotation speed and number of revolutions of the output gear 5 are arranged at equal distances around the notch of the PCB board 4 .
[0027] A bar magnet 14 is provided on the rotating shaft 3 and above the circumference of the notch of the PCB board 4 .
[0028] Working principle:
[0029] The utility model does not require excessive debugging during installation. The shaft at the upper end of the motor 13 is locked into the gear lower housing 12. The motor input gear 6 is installed on this shaft. When the motor 13 rotates, it drives the motor input gear 6 to rotate, and then the motor input gear 6 drives the first-stage gear 7 to rotate, and then the power is transmitted to the output gear 5 through the first-stage gear 7, the second-stage gear 8, the third-stage gear 9, the fourth-stage gear 10 and the fifth-stage gear 11 respectively. The output gear 5 then drives the rotating shaft 3 to rotate. The bar magnet 14 provided on the rotating shaft 3 continuously generates a Hall effect with the Hall sensor 15 below. The Hall sensor 15 installed at the circumference of the notch on the PCB board 4 next to the rotating shaft 3 can collect the speed, number of revolutions and rotation angle of the rotating shaft 3, and communicate or transmit the data through the PCB board 4.
[0030] The above are only preferred embodiments of the present invention and are intended to help understand the method and core concept of this application. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be pointed out that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.
[0031] The utility model comprehensively solves the problem in the prior art that the knob position detection of traditional smart locks mostly uses infrared detection technology to continuously release information, which leads to the easy consumption of power of the smart lock. By adopting the Hall principle method, the problem of inaccurate infrared light detection of existing products is improved, and the power consumption of smart locks can also be reduced in actual applications.
Claims
1. A new type of Hall gearbox, characterized in that, The invention comprises a gear upper shell (2) and a gear lower shell (12), wherein a motor (13) is provided on one side of the bottom of the gear lower shell (12), and a motor input gear (6) connected to the upper end of the motor (13) is provided inside the gear lower shell (12), wherein the motor input gear (6) is meshed with the large gear of the first-stage gear (7), the small gear of the first-stage gear (7) is meshed with the large gear of the second-stage gear (8), and the small gear of the second-stage gear (8) is meshed with the large gear of the third-stage gear (9). The pinion of the third-stage gear (9) meshes with the large gear of the fourth-stage gear (10), the pinion of the fourth-stage gear (10) meshes with the large gear of the fifth-stage gear (11), the pinion of the fifth-stage gear (11) meshes with the output gear (5), the inner ring of the output gear (5) is sleeved on the rotating shaft (3), the top of the rotating shaft (3) passes through the gear upper shell (2) and is connected to the copper ring (1), and a PCB board (4) is provided on the rotating shaft (3) above the output gear (5).
2. The new Hall gearbox according to claim 1 is characterized in that: The motor input gear (6), the first-stage gear (7), the second-stage gear (8), the third-stage gear (9), the fourth-stage gear (10) and the fifth-stage gear (11) are all double-layer gears.
3. The new Hall gearbox according to claim 2 is characterized in that: The motor input gear (6), the first-stage gear (7), the second-stage gear (8), the third-stage gear (9) and the fourth-stage gear (10) all have a large gear on top and a small gear on the bottom.
4. The new Hall gearbox according to claim 2 is characterized in that: The large gear of the five-stage gear (11) is at the bottom and the small gear is at the top.
5. The new Hall gearbox according to claim 1 is characterized in that: Hall sensors (15) for calculating the rotation speed and number of revolutions of the output gear (5) are provided at equal distances around the notch on the PCB board (4).
6. The novel Hall gearbox according to claim 1 is characterized in that: A bar magnet (14) is provided on the rotating shaft (3) and above the circumference of the notch of the PCB board (4).