CN206438863U - A kind of automatic antitheft threshold locking device - Google Patents

Abstract

The utility model discloses an automatic anti-theft threshold lock device, which comprises: a circuit board, an infrared sensor, a lock rod, a bracket, a motor drive, a motor, a heavy trolley, and an external power supply socket. The circuit board is composed of a control module, a motor drive module and a power supply module connected with it. When the infrared sensor recognizes that the door is closed and sends it to the control module, the control module drives the motor to rotate, and drives the heavy trolley to slide down, the lock lever tilts, and the upper end of the lock lever is higher than the threshold, so that the door cannot be opened and is in the closed state; when the heavy object When the trolley moves up until the lock bar is level with the ground, the door can be opened and is in the open state. The automatic anti-theft threshold lock device provided by the utility model is directly installed in the underground of the room, automatically senses to close and lock the door, and controls the opening of the door through a remote control device.

Description

An automatic anti-theft door sill lock device

technical field

The utility model relates to an anti-theft lock, in particular to an automatic anti-theft threshold lock.

Background technique

Nowadays, there are many types of anti-theft locks, and the anti-theft locks with better anti-theft performance are either complicated to lock and unlock, or expensive; when people go out in a short time, they generally choose to close the door without locking it. It will reduce the locking operation and make the anti-theft lock more convenient to use; in addition, the traditional anti-theft lock is generally installed on the side of the door frame, and a part is exposed outside the door, which may be damaged. If an anti-theft lock is completely installed indoors, the security of the anti-theft lock will be greatly improved.

Contents of the invention

In view of this, the purpose of the utility model is to provide an automatic anti-theft threshold lock. The lock is directly installed on the ground below the indoor door, separated from the door, and is not easy to be damaged outside. It automatically senses the closed state of the door and locks it. It sends the door opening command and unlocks through the remote control facility, which is safe and convenient with low power consumption.

The purpose of this utility model is achieved through such a technical scheme, the automatic anti-theft threshold lock, including: circuit board, infrared sensor, lock bar, bracket, motor drive, motor, heavy object trolley, external power supply socket; The control module is composed of a motor drive module and a power module connected to it.

Further, the lock bar and the bracket are made of high-hardness steel plates, the lock bar is connected with the bracket and fixed on the indoor floor, which can protect the middle module; the heavy object trolley is fixed under the lock bar and connected with two motors, when the heavy object When the trolley slides down, the lock bar rotates clockwise upwards, and the upper end of the lock bar moves up; when the heavy trolley slides up, the lock bar rotates counterclockwise downwards, and the lock bar is level with the ground.

Further, the infrared sensor is fixed on the upper end of the lock rod, automatically senses the door closing state and accepts the door opening command, and transmits the corresponding signal to the control module, which drives the motor to make the heavy trolley slide down or up.

Further, when the infrared sensor automatically senses that the door is in the closed state, the control module drives the motor to slide the heavy trolley, the lock bar rotates clockwise under the action of gravity, the upper end of the lock bar moves up, and the automatic anti-theft threshold lock is in the closed state. state, the upper end of the lock rod is higher than the threshold, and the door cannot be opened.

Further, when the infrared sensor receives the door opening command, the control module drives the motor to slide the heavy trolley upward, the lock bar rotates counterclockwise downward, the automatic anti-theft threshold lock is in the unlocked state, the upper surface of the lock bar is level with the ground, and the door can be opened freely. Open.

Owing to having adopted above-mentioned technical scheme, the utility model has following advantage:

The utility model discloses an automatic anti-theft threshold lock, which has the advantages of simple structure, low power consumption and low cost. When the door is in the closed state, it automatically senses and locks, and it is unlocked by remote control, which is easy to operate and easy to use. At the same time, the entire threshold lock is installed indoors, without any physical interface outside the door, which has high security.

Description of drawings

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural diagram of automatic anti-theft threshold lock;

Fig. 2 is a schematic diagram of circuit module connection.

In the figure: 1. Infrared sensor; 2. Lock lever; 3. Bracket; 4. Control module; 5. Motor drive; 6. Power module; 7. Motor; 8. Heavy trolley; 9. Circuit board; 10. External connection Power socket; 11, anti-theft door; 12, wall; 13, ground.

detailed description

The preferred embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present utility model, rather than limiting the protection scope of the present utility model.

Figure 1 is the structural diagram of the automatic anti-theft door sill lock, and Figure 2 is the module connection diagram.

The automatic anti-theft threshold lock includes an infrared sensor 1, a lock lever 2, a bracket 3, a circuit board 9, a control module 4, a motor drive 5, a motor 7, a power module 6, an external power supply socket 10, and a heavy trolley 8; the circuit board 1 is composed of a control module 4 and a motor drive module 5 and a power module 6 connected thereto;

The lock bar 2 and the bracket 3 are made of high-hardness steel plates, which are firm and reliable, and have a large load-bearing capacity, which can protect the middle module; The upper surface is higher than the threshold; when the weight trolley 8 slides, the locking bar rotates counterclockwise downwards, and the locking bar is flat with the ground. The infrared sensor is fixed on the upper end of the lock bar, which automatically senses the state of closing the door and accepts the instruction to open the door.

Described control module 4, realizes the control to each system of lock, selects C8051F410 micro-controller for use, it is high-speed, the 8051 compatible micro-controller core of assembly line structure, speed reaches 50MIPS, full-speed, non-intrusive online adjustment interface, It is convenient for debugging; the hardware implements I2C and SPI interfaces, which is convenient for connecting to memory; it is powerful and cheap, and meets the control requirements.

The control circuit, the motor drive 5, the motor 7, the heavy trolley 8, and the lock lever 2 form a rotary power module. The control circuit is connected to the motor drive 5, the motor drive 5 is connected to the motor 7, the motor 7 is connected to the heavy trolley 8, and the motor 7 is fixed on the lock bar 2. The control module controls the motor drive 5, and the motor drive 5 drives the motor 7 to rotate, driving the heavy trolley 8 to slide down or slide up, so that the lock bar 2 rotates upward or downward.

The infrared sensor 1 is fixed on the upper end of the lock bar, automatically senses the door closing state and accepts the door opening command, and transmits the corresponding signal to the control module 4, and the control module 4 drives the motor 7 to make the heavy trolley 8 slide down or up. When the infrared sensor 1 automatically senses that the door is in the closed state, the control module 4 drives the motor 7 to make the heavy trolley 8 slide down, the lock bar 2 rotates clockwise under the action of gravity, the upper end of the lock bar 2 moves up, and the automatic anti-theft threshold lock is in In the locked state, the upper end of the lock lever 2 is higher than the threshold, and the door cannot be opened; when the infrared sensor 1 receives an instruction to open the door, the control module 4 drives the motor 7 to slide the heavy trolley 8 upward, and the lock lever 2 rotates counterclockwise downward, automatically The anti-theft threshold lock is in the unlocked state, and the upper surface of the locking bar 2 is flat with the ground, and the door can be opened freely.

The utility model designs an automatic anti-theft threshold lock installed on the ground, which has a simple structure, is different from the traditional unlocking method, and is easy to operate. The entire anti-theft lock is installed underground in the room, and the infrared sensor automatically senses the closing state and accepts the opening instruction. When in use, when the door is in the closed state, it will be automatically locked; the remote control will send the door opening command to open the door.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form. Any simple modifications made to the above embodiments according to the technical essence of the present utility model are equivalent to changes and modifications. All belong to the scope of the technical solution of the utility model.

Claims (5)

1. a kind of automatic antitheft threshold lock, it is characterised in that：The automatic antitheft threshold lock include circuit board, infrared ray sensor, Locking bar, support, motor driving, motor, weight dolly, external power supply socket；The circuit board is by control module and coupled Motor drive module and the power module composition connect；The control module and power module, motor driving, infrared ray sensor phase Even, the motor driving is connected with control module, motor, and the power module is connected with control module, external power supply socket, institute State weight dolly to be fixed on below locking bar, be connected with two motors.

2. automatic antitheft threshold lock according to claim 1, it is characterised in that：The locking bar and support select glass hard steel Plate makes, and locking bar is connected and fixed to indoor ground with support, can protect intermediate module；The weight dolly is fixed on locking bar Lower section, is connected with two motors, and when weight dolly glides, locking bar is rotated up clockwise, and locking bar upper end is moved up；When weight is small When sliding on car, locking bar is rotated down counterclockwise, and locking bar is equal with ground.

3. automatic antitheft threshold lock according to claim 1, it is characterised in that：The infrared ray sensor is fixed on locking bar Upper end, automatic sensing, which is closed the door, state and receives door open command, and corresponding signal is passed into control module, control module driving electricity Machine makes weight dolly glide or upper cunning.

4. automatic antitheft threshold lock according to claim 1, it is characterised in that：When the infrared ray sensor automatic sensing When being in closure state to door, control module motor, which is rotated, makes weight dolly glide, and locking bar is clockwise under gravity Rotate up, locking bar upper end is moved up, automatic antitheft threshold lock is higher than threshold in the state that shuts, locking bar upper end, and door can not be opened.

5. the automatic antitheft threshold lock according to claim 1, it is characterised in that：Refer to when infrared sensor receives enabling When making, control module motor, which is rotated, to be made to slide on weight dolly, and locking bar is rotated down counterclockwise, and automatic antitheft threshold lock is in Unlocking condition, locking bar upper surface is equal with ground, and door can be opened freely.