CN210798543U

CN210798543U - Intelligent door lock and control system thereof

Info

Publication number: CN210798543U
Application number: CN201921268299.3U
Authority: CN
Inventors: 李文锋; 刘荣
Original assignee: Yunding Network Technology Beijing Co Ltd
Current assignee: Yunding Network Technology Beijing Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-06-19
Anticipated expiration: 2029-08-06

Abstract

The utility model provides an intelligent door lock and a control system thereof, wherein the control system comprises a main control board, a first detection component and an induction component, and the first detection component and the induction component are respectively electrically connected or signal-connected with the main control board; the induction component is matched with the lock body square shaft and used for detecting the starting action of the lock body square shaft from static state to rotation and sending a wake-up signal to the main control board; the main control board is in a dormant state until receiving a wake-up signal sent by the induction component, and the main control board is also used for waking up the first detection component after being awakened; first detection component and lock body square shaft adaptation to send the lock body square shaft pivoted angle displacement that detects for the main control board. The utility model provides a control system simple structure, and the detection accuracy of movable part is higher.

Description

Intelligent door lock and control system thereof

Technical Field

The utility model relates to a lock technical field especially relates to an intelligence lock and control system thereof.

Background

Along with the development of times, the popularization rate of intelligent door locks is higher and higher, and door locks of various manufacturers, even door locks of different models of the same manufacturer, can select different transmission mechanisms and sensors according to different IDs (identification) and structures to form a complex system with multi-sensor cooperation. When designing intelligent lock, need the key three core problems of considering include: how to accurately detect the rotation of the lock body square shaft, how to accurately detect the rotation of the motor output shaft, and how to detect the action of the lock body square shaft in a standby state with low power consumption. The following insufficiencies mainly exist when solving above-mentioned three problems of present intelligent lock: the transmission mechanism has a complex structure, the accumulated error of the sensor is large, and the reliability is poor. Therefore, how to simplify the structure of the intelligent door lock and improve the detection accuracy of the movable component becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an intelligence lock and control system thereof, this control system simple structure, and movable part's the detection accuracy is higher.

In order to achieve the above object, the utility model provides a following technical scheme:

a control system of an intelligent door lock comprises a main control board, a first detection assembly and a sensing assembly, wherein the first detection assembly and the sensing assembly are respectively in electric connection or signal connection with the main control board;

the induction component is matched with the lock body square shaft and used for detecting the starting action of the lock body square shaft from static state to rotation and sending an awakening signal to the main control board;

the main control board is in a dormant state until receiving the awakening signal sent by the induction component, and the main control board is also used for awakening the first detection component after being awakened;

the first detection assembly is matched with the lock body square shaft and sends the detected angular displacement of the lock body square shaft rotation to the main control board.

Optionally, in the above control system, the control system further includes a gear box and a transmission assembly, and the gear box is integrated with a motor and a gear assembly; the transmission assembly comprises a driving gear and a driven member; the driving gear is in transmission connection with the motor, and the driven part is in coaxial transmission with the lock body square shaft;

first detection element include with the rotation piece that the follower transmission is connected, and with rotate the angle sensor that coaxial arrangement of piece, angle sensor with rotate the piece and connect for gather angle signal and export extremely the main control board.

Optionally, in the above control system, the sensing assembly includes a first sensing element and a second sensing element, the first sensing element is fixedly mounted on the driven member or the rotating member, the second sensing element is fixedly mounted on the lock body, and when the lock body square shaft rotates, the first sensing element and the second sensing element can rotate relatively to each other, and the second sensing element is triggered to send the wake-up signal to the main control board.

Optionally, in the above control system, the first sensing element is a first magnetic member, and the second sensing element is a hall sensor.

Optionally, in the above control system, the driven member and the rotating member are gears that mesh with each other, and the rotating member is located radially aside from the driven member.

Optionally, in the above control system, the control system further includes a second detection assembly electrically connected or signal-connected to the main control board, and the second detection assembly is connected or adapted to the transmission assembly and sends the angular displacement of the rotation of the output shaft of the motor, detected by the transmission assembly, to the main control board.

Optionally, in the above control system, the transmission assembly further includes an intermediate gear coaxially disposed with the driven member, the intermediate gear is engaged with the driving gear, and the intermediate gear and the driven member are provided with a virtual position rotation connection structure that is engaged with each other;

the second detection assembly comprises a third sensing element and a fourth sensing element, the third sensing element is fixedly mounted on the intermediate gear or the driving gear, the fourth sensing element is fixedly mounted on the lock body, when the output shaft of the motor rotates, the third sensing element and the fourth sensing element can rotate relatively, and the fourth sensing element is triggered to detect the angular displacement of the third sensing element.

Optionally, in the above control system, the intermediate gear and the driving gear are both bevel gears.

Optionally, in the above control system, the third inductive element is a second magnetic member, and the fourth inductive element is a magnetic encoder.

Alternatively, in the above control system, an outer diameter of the intermediate gear is 2 to 3 times an outer diameter of the driven member, and the angle sensor is located between the rotating member and the intermediate gear.

An intelligent door lock comprising a control system as disclosed in any one of the above.

According to the technical scheme, the utility model provides an among the control system for intelligent lock, first determine module and response subassembly respectively with main control board electric connection or signal connection, the during operation, in case the lock body square shaft has the rotation to take place, the main control board just can be awaken up at once to the response subassembly, first determine module is awaken up immediately to the main control board, and first determine module real-time detection lock body square shaft pivoted angle displacement. Utilize response subassembly can detect the action of lock body square shaft at standby state low-power consumption ground, and awaken up first detection element when the lock body square shaft begins to rotate, be favorable to making timely detection to lock body square shaft pivoted angle displacement to improve the degree of accuracy that detects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic diagram of a control system of an intelligent door lock according to an embodiment of the present invention;

fig. 2 is a partial schematic view of the back side of the substrate 4 of fig. 1.

Labeled as:

1. a driven member; 2. a rotating member; 3. an angle sensor; 4. a substrate; 5. an intermediate gear; 6. a gear case; 7. a drive gear.

Detailed Description

For the sake of understanding, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of a control system of an intelligent door lock according to an embodiment of the present invention, and fig. 2 is a partial schematic diagram of a back surface of a base plate 4 in fig. 1.

The embodiment of the utility model provides a control system for intelligent lock includes main control board (not shown in the figure), a detection subassembly and response subassembly respectively with main control board electric connection or signal connection. The lock body square shaft detection device comprises a sensing assembly, a main control board and a lock body square shaft, wherein the sensing assembly is matched with the lock body square shaft and used for detecting the lock body square shaft, starting actions of the lock body square shaft are static to rotating and sending awakening signals to the main control board, the main control board is in a dormant state until the awakening signals sent by the sensing assembly are received, the main control board is awakened and then is also used for awakening a first detection assembly, the first detection assembly is matched with the lock body square shaft and sends detected angular displacement of the lock body square shaft to.

Specifically, control system still includes gear box 6 and drive assembly, and integrated motor and gear assembly have in the gear box 6, and drive assembly includes driving gear 7 and follower 1, and driving gear 7 is connected with motor drive, and follower 1 and the coaxial transmission of lock body square shaft, the motor can drive the opening and closing of lock body square shaft rotation in order to realize the lock body through drive assembly. The driven piece 1 is also in coaxial transmission with an inner knob of the door, namely a knob which is positioned on the inner side of the door and used for locking and unlocking.

As shown in fig. 1, the first detection assembly includes a rotation member 2 connected to the driven member 1 in a transmission manner, and an angle sensor 3 coaxially disposed with the rotation member 2, the angle sensor 3 is connected to the rotation member 2 and is configured to collect an angle signal and output the angle signal to the main control board, and the main control board can determine the locking and unlocking states of the door lock according to the rotation angle of the square shaft of the lock body.

When no locking or unlocking action, the main control board is in a dormant state to reduce power consumption, and once the square shaft of the lock body rotates, the driving board is rapidly awakened by the induction component so as to perform subsequent control. In order to detect the starting action of the lock body square shaft from static to rotating, the sensing assembly comprises a first sensing element and a second sensing element, the first sensing element is fixedly arranged on the driven part 1 or the rotating part 2, the second sensing element is fixedly arranged on the lock body, when the lock body square shaft rotates, the first sensing element and the second sensing element can rotate relatively, and the second sensing element is triggered to send a wake-up signal to the main control board.

The first sensing element and the second sensing element may be first magnetic members or hall sensors, the sensing elements of the sensing assembly may be mounted on the driven member 1, or may be mounted on the rotating member 2, for example, the number of the hall sensors and/or the first magnetic members may be two or more, and the hall sensors and/or the first magnetic members may be uniformly arranged around the rotation axis of the driven member 1. Specifically, the number of the hall sensors may be at least two and the hall sensors may be uniformly arranged around the rotation axis of the driven member 1, the number of the first magnetic members may be at least two and the hall sensors may be uniformly arranged around the rotation axis of the driven member 1, the number of the hall sensors and the number of the first magnetic members may be at least two, and the hall sensors and the first magnetic members may be respectively and uniformly arranged around the rotation axis of the driven member 1, and at this time, the numbers of the hall sensors and the first magnetic members may be the same or different.

In addition, because lock body square shaft and door interior knob all with follower 1 coaxial transmission, so first magnetic part can select with lock body square shaft, follower 1 or door interior knob fixed connection to this realizes the relative fixed between first magnetic part and the lock body square shaft, and hall sensor then can welded fastening on the main control board to be connected with the main control board electricity or signal connection, in this way realize relative first magnetic part and rotate and send the awakening signal to the main control board.

In this embodiment, first sensing element is first magnetic part, and second sensing element is hall sensor for the whole scheme of response subassembly is simple, reliable, and hall sensor and first magnetic part need not direct contact and can realize triggering, and the installation of being convenient for is arranged, and the cost is lower. Meanwhile, the wear between the two cannot be caused by friction, so that the service life is favorably ensured.

In other embodiments, the sensing assembly may also adopt other embodiments such as an infrared pair transistor, an electric brush, etc., as long as it can detect the starting action of the lock body square shaft from static to rotating and send a wake-up signal to the main control board.

In a specific implementation, the driven member 1 and the turning member 2 may be gears that mesh with each other, as shown in fig. 1, and the turning member 2 is generally located radially beside the driven member 1 for ease of arrangement in the housing of the lock body.

As shown in fig. 1, in this embodiment, the transmission assembly further includes an intermediate gear 5, the intermediate gear 5 and the driven member 1 are coaxially disposed and engaged with the driving gear 7, and as can be seen from the back of the substrate 4 shown in fig. 2, the intermediate gear 5 and the driven member 1 are provided with a virtual rotation connection structure that is mutually matched, the intermediate gear 5 rotates along one direction, and then is clamped with the driven member 1 and drives the driven member 1 to rotate, and then the intermediate gear 5 rotates around, when the virtual rotation stroke is not exceeded, the driven member 1 does not rotate around along with the intermediate gear 5, so that a space for manually rotating the driven member 1 is reserved for the inner knob.

The motor can drive the square shaft of the lock body to rotate through the driving gear 7, the intermediate gear 5 and the driven part 1, so that locking and unlocking are realized. In a specific practical application, the intermediate gear 5 and the driving gear 7 may be bevel gears.

In order to detect the rotation of the output shaft of the motor, the control system further comprises a second detection assembly electrically connected or in signal connection with the main control board, wherein the second detection assembly is connected or matched with the transmission assembly and sends the angular displacement of the rotation of the output shaft of the motor detected by the transmission assembly to the main control board.

Specifically, the second detection assembly comprises a third sensing element and a fourth sensing element, the third sensing element is fixedly mounted on the intermediate gear 5 or the driving gear 7, the fourth sensing element is fixedly mounted on the lock body, when the output shaft of the motor rotates, the third sensing element and the fourth sensing element can rotate relatively, and the fourth sensing element is triggered to detect the angular displacement of the third sensing element.

In this embodiment, the third sensing element is a second magnetic member, and the fourth sensing element is a magnetic encoder. The installation position of the magnetic encoder should be set according to the position of the second magnetic member, for example, when the second magnetic member is installed on the intermediate gear 5, the magnetic encoder is generally fixedly installed on the base plate 4 of the lock body, and when the second magnetic member is installed on the driving gear 7, the magnetic encoder is generally fixedly installed on the main control plate of the lock body.

In other embodiments, the second detecting component may also adopt other embodiments such as a magnetic code disc, an infrared pair of tube code disc, an angle sensor, etc., as long as the angular displacement of the rotation of the output shaft of the motor detected by the transmission component can be sent to the main control board.

For example, the second detection assembly may be configured as an infrared code disc, specifically, black and white color bars are disposed on the driving gear 7 or the intermediate gear 5, and through infrared pair tube detection, pulses are counted and the rotation angle is known; or, the second detection assembly may be a magnetic code disc, specifically, a magnetic ring is fixedly arranged on the driving gear 7 or the intermediate gear 5, and the rotation angle is obtained by counting pulses detected by a hall sensor; still alternatively, the second detection assembly may be configured as a gyroscope, specifically, the gyroscope is fixedly connected to the driving gear 7 or the intermediate gear 5, and the gyroscope can read the rotation angle when rotating.

This embodiment detects turned angle through magnetic encoder and second magnetism spare, can make second determine module's detection precision high, the interference killing feature is strong, easily installation and consumption are lower.

The embodiment of the utility model provides a control system's theory of operation as follows:

a) detecting rotation of lock body square shaft/inner knob

Because lock body square shaft and door interior knob all with follower 1 coaxial drive, and rotate piece 2 and follower 1 intermeshing, so when rotating lock body square shaft or door interior knob, rotate piece 2 and can take place to rotate, can accurately detect the position of lock body square shaft/door interior knob through the angle sensor 3 of being connected with rotating piece 2.

b) Detecting rotation of an output shaft of a motor

The driving gear 7 is driven by the output shaft of the motor, the intermediate gear 5 is meshed with the driving gear 7, when the output shaft of the motor rotates, the intermediate gear 5 and the driving gear 7 can rotate, the intermediate gear 5 or the driving gear 7 is provided with a second magnetic part matched with the magnetic encoder, the angle of the second magnetic part rotating is detected through the magnetic encoder, and then the rotating angle of the output shaft of the motor can be known.

c) Detecting motion of lock body square shaft with low power consumption in standby state

The angle sensor has larger power consumption when working normally, the Hall sensor has smaller power consumption, and the driven part 1 or the rotating part 2 is provided with the first magnetic part matched with the Hall sensor, so that the control circuit can cut off the power of the angle sensor 3 in a standby state, the Hall sensor is utilized to detect the action of the lock body square shaft, once the lock body square shaft has the action, the lock body square shaft can be sensed by the Hall sensor, and the control circuit can immediately electrify and awaken the angle sensor 3.

As shown in fig. 1, in practical use, the outer diameter of the intermediate gear 5 is generally 2 to 3 times the outer diameter of the driven member 1. In order to save space as much as possible, the angle sensor 3 may be disposed between the rotary member 2 and the intermediate gear 5, and the driving gear 7 may be disposed on the other side of the driven member 1 with respect to the rotary member 2.

As shown in fig. 2, the virtual rotational stroke between the idler gear 5 and the follower 1 may be 120 ° to 170 °.

Of course, the utility model discloses do not do the restriction to setting up position of magnetic encoder and hall sensor, for example, can be fixed in on the actuating mechanism's of lock body mounting panel with it (magnetic encoder or hall sensor), nevertheless general preferred with magnetic encoder and hall sensor and main control board rigid coupling, can make overall structure more regular like this, and simultaneously, with magnetic encoder and hall sensor and main control board rigid coupling back, can guarantee that the distance between hall sensor and the first magnetic part and the distance between magnetic encoder and the second magnetic part all are within the detection range of good signal, thereby be favorable to ensureing to detect the precision.

The utility model discloses all do not do the restriction to the structure of first magnetic part and second magnetic part, adopt cubic, strip, cyclic annular etc. all can. In a specific practical application, the second magnetic member may be embedded in the small end face of the driving gear 7. The first magnetic member may be a ring provided on the driven member 1, and an axis of the ring coincides with an axis of the driven member 1.

The utility model also provides an intelligence lock, this intelligence lock includes the control system that above-mentioned embodiment is disclosed. Since the control system disclosed in the above embodiment has the above technical effects, the intelligent door lock having the control system also has the above technical effects, and details are not described herein again.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The control system of the intelligent door lock is characterized by comprising a main control board, a first detection assembly and a sensing assembly, wherein the first detection assembly and the sensing assembly are respectively in electric connection or signal connection with the main control board;

2. The control system according to claim 1, characterized in that it further comprises a gearbox (6) and a transmission assembly, the gearbox (6) having integrated therein a motor and gear assembly; the transmission assembly comprises a driving gear (7) and a driven member (1); the driving gear (7) is in transmission connection with the motor, and the driven part (1) is in coaxial transmission with the lock body square shaft;

first detection element include with the driven piece (1) transmission is connected rotate piece (2), and with rotate angle sensor (3) that piece (2) coaxial arrangement, angle sensor (3) with rotate piece (2) and connect for gather angle signal and export extremely the main control board.

3. The control system according to claim 2, wherein the sensing assembly comprises a first sensing element and a second sensing element, the first sensing element is fixedly mounted on the driven member (1) or the rotating member (2), the second sensing element is fixedly mounted on the lock body, when the lock body square shaft rotates, the first sensing element and the second sensing element can rotate relatively, and the second sensing element is triggered to send the wake-up signal to the main control panel.

4. The control system of claim 3, wherein the first inductive element is a first magnetic member and the second inductive element is a Hall sensor.

5. A control system according to any one of claims 2-4, characterized in that the driven member (1) and the rotating member (2) are intermeshing gears, the rotating member (2) being located radially sideways of the driven member (1).

6. The control system of claim 5, further comprising a second detection component electrically or signally connected to the main control board, the second detection component being connected or adapted to the transmission component and transmitting the angular displacement of the rotation of the output shaft of the motor detected by the transmission component to the main control board.

7. The control system according to claim 6, characterized in that the transmission assembly further comprises an intermediate gear (5) arranged coaxially with the driven member (1), the intermediate gear (5) being in mesh with the driving gear (7), the intermediate gear (5) and the driven member (1) being provided with a virtual rotational connection cooperating with each other;

the second detection assembly comprises a third induction element and a fourth induction element, the third induction element is fixedly mounted on the intermediate gear (5) or the driving gear (7), the fourth induction element is fixedly mounted on the lock body, when the output shaft of the motor rotates, the third induction element and the fourth induction element can rotate relatively, and the fourth induction element is triggered to detect the angular displacement of the third induction element.

8. Control system according to claim 7, characterized in that the intermediate gear (5) and the driving gear (7) are bevel gears.

9. The control system of claim 8, wherein the third inductive element is a second magnetic member and the fourth inductive element is a magnetic encoder.

10. Control system according to claim 9, characterized in that the external diameter of the intermediate gear (5) is 2-3 times the external diameter of the driven member (1), the angle sensor (3) being located between the rotating member (2) and the intermediate gear (5).

11. An intelligent door lock, characterized by comprising the control system of the intelligent door lock according to any one of claims 1 to 10.