Intelligent door lock restarted by using standby key after battery is out of power

Abstract

The utility model discloses an intelligent door lock restarted by using a standby key after a battery is out of power, which comprises a door lock battery, a door inner lock control board, a connecting line, a door outer lock control board and an emergency power supply key, the door lock battery is connected with the door inner lock control board, the door inner lock control board is connected with the door outer lock control board through the connecting line, and the emergency power supply key is connected with the door outer lock control board through the connecting line. The door lock battery is connected with the emergency power supply key through the door inner lock control plate, the connecting wire and the door outer lock control plate, the emergency power supply key is arranged on the door outer lock control plate, and a user can transmit an emergency starting signal to the door lock battery through triggering of the emergency power supply key. The problem that emergency unlocking cannot be achieved when a battery of the intelligent door lock is out of power is mainly solved. The emergency power supply unlocking device has the main advantages that emergency power supply unlocking can be achieved after the battery is out of power, convenience is high, and extra cost does not need to be increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to controller technical field especially a kind of intelligent door lock of battery is out of power and uses standby key to start again. BACKGROUND

[0002] Chinese patent CN207453680U utility model discloses a kind of novel intelligent door locks, belong to intelligent door lock technical field.It includes shell, welding panel on the shell, the panel is close to the side of the shell and is fixedly connected with motor drive module, motor drive module output end is connected with speed reducer and clutch device, drive rod is equipped on the speed reducer and clutch device.It is realized by being equipped with emergency power module, i.e. in the intelligent door lock outer panel reserves two metal contact points as emergency power interface, when battery power is depleted, user only needs a 9V battery, connects the emergency power interface under the intelligent door lock front panel, starts emergency power module, intelligent door lock recovers work, realizes the opening and closing of door by mechanical lock on intelligent door lock, solve the emergency power supply problem of intelligent door lock under special scene, provide convenience for user.The deficiency of this scheme is that external power supply is connected through emergency power interface to start intelligent lock, such as external power bank.

[0003] Chinese patent CN106988616A discloses a kind of built-in emergency power's intelligent lock including lock body, lock body is equipped with emergency power component, emergency power component includes emergency power and pusher, or emergency power component includes only emergency power, emergency power is not conducted between lock body in normal state, when lock body is abnormal due to power shortage, emergency power can be started to supply power to lock body;The product of the present application is built-in one emergency power in addition to normal battery pack, the emergency power is in open-circuit state usually, normal battery pack power is depleted, then a mechanical device is pushed to supply power to door lock through emergency power outside door lock, at this time, user can normally use door lock, open lock by inputting password or fingerprint, if mechanical device is loosened, emergency power supply stops, ensure that emergency power can continue emergency power supply next time, ensure that user can normally use door lock in the case where normal battery pack power is depleted.This scheme needs to additionally increase a group of power supply, additionally increase the cost of a group of standby power supply, increase the volume of lock.

[0004] Chinese patent CN205486374U discloses a fingerprint identification intelligent door lock with camera, including shell, door lock, handle, fingerprint identification device, camera, protection plate, C-shaped card seat, controller, emergency power supply, when working, the protection plate is clamped by the C-shaped card seat when the steel ball is tangent to the locking groove, when the fingerprint identification device detects the correct fingerprint, the lock is released, the handle is manually rotated to open the door lock, if the fingerprint identification device detects the wrong fingerprint, the controller drives the camera to take a photo and upload to the server and prompt the user, the emergency power supply is used for power supply in short time power failure, the emergency unlocking device is used for unlocking the door lock after long time power failure. The device has simple structure, fingerprint identification unlocking function and photo shooting function for wrong fingerprint holder, has high safety performance and reliable work. The scheme also needs to additionally increase a set of power supply, additionally increases a set of standby power supply cost, increases the volume of the lock, and the emergency unlocking device 101 is a mechanical keyhole.

[0005] Chinese patent CN204627179U discloses an electronic lock body with emergency power supply, including a front panel, a base and an integrated PCB plate and a loudspeaker installed on a corner of the front panel, the integrated PCB plate is provided with a USB interface which can be externally connected to a power supply, a pick-resistant switch, a data line for connecting with a door lock system, the loudspeaker is installed between the base and the integrated PCB plate and is electrically connected with the integrated PCB plate, the pick-resistant switch is initially pressed between the front panel and the door in a normal state, when the front panel is pried, the pick-resistant switch protrudes from the front panel, at this time, the integrated PCB plate sends an alarm signal to the door lock system, and the loudspeaker alarms. The utility model cancels the linkage mechanism of the alarm device, adopts the direct alarm of the pick-resistant switch, reduces the failure rate, and also reduces the cost. And the USB interface is used as the emergency power supply, which reduces the use cost of consumers, is convenient and fast, and avoids the waste of funds and the pollution to the environment. The scheme needs to additionally connect the power supply.

[0006] As described above, the current intelligent door lock needs to externally connect the power supply or increase a set of standby power supply when there is no power. The existing intelligent door lock also starts to use the rechargeable lithium battery, when the battery power is low, the intelligent door lock will prompt the user to charge as soon as possible, when the user does not or forgets to charge in time, the battery will enter the protection state and cut off the power supply when the battery power continues to drop to the protection voltage value, at this time, the intelligent door lock is in a power-off state, and the user can only open the door lock by inserting the mechanical key or connecting the external power supply through the emergency interface. In actual use, the user almost does not carry the mechanical key and / or the standby power supply of the intelligent door lock at any time, and often is locked out of the house, so that the intelligent door lock which originally does not need to carry the key becomes extremely inconvenient. Utility model content

[0007] The utility model discloses a battery is not powered after using the standby key and starting again intelligent door lock of spare, and this scheme can effectively solve part or all technical problems in background art.

[0008] The utility model provides a technical scheme is: a battery is not powered after using the standby key and starting again intelligent door lock of spare, including door lock battery, in -house lock control board, connecting line, door -out lock control board and emergency power supply button, door lock battery connects in -house lock control board, in -house lock control board is connected door -out lock control board through connecting line, and door lock battery passes through in -house lock control board, connecting line and door -out lock control board and connects emergency power supply button, and emergency power supply button sets up on door -out lock control board, and user can pass through the trigger of emergency power supply button and give door lock battery emergency start signal, and door lock battery receives emergency start signal and restores power supply.

[0009] As a further technical scheme, the emergency power supply button is a ground short-circuit button switch, that is, one end of the emergency power supply button is connected to the emergency trigger end of the door lock battery, and the other end is connected to the negative electrode of the door lock battery.

[0010] As a further technical scheme, the in-house lock control board comprises a CPU1 module, a motor driving module, a motor module and a voltage conversion module, the CPU1 module is connected to the motor driving module, the motor driving module is connected to the motor module, the CPU1 module is composed of a single-chip microcomputer and peripheral circuits, the door lock battery is connected to the voltage conversion module, and the voltage conversion module is connected to the CPU1 module.

[0011] As a further technical scheme, the in-house lock control board further comprises a doorbell, a wireless module and / or a visual cat eye, and the CPU1 module is connected to the doorbell, the wireless module and / or the visual cat eye.

[0012] As a further technical scheme, the door-out lock control board comprises a CPU2 module, a second voltage conversion module and / or a face recognition module, a fingerprint recognition module, a card reading module, a voice module and a button module, and the door-out lock control board is connected to the in-house lock control board through a connecting line to realize man-machine interaction.

[0013] As a further technical scheme, the door lock battery is a lithium ion battery.

[0014] The utility model discloses a battery is not powered after using the standby key and starting again intelligent door lock, is powered to in -house lock control board and door -out lock control board through door lock battery, when the voltage of door lock battery is lower than the preset value, door lock battery power-off protection, stop power supply, at this time, even if user is forgetful to take external power supply or mechanical key, can pass through the press of emergency power supply button, at this time, the emergency start signal end of door lock battery is short-circuited to the negative electrode of door lock battery, thereby triggering the door lock battery to start power supply again, completing emergency power supply, after completing unlocking, user can immediately charge door lock battery, this scheme does not need to increase spare power supply, does not need to increase cost additionally, and the operation is convenient.

[0015] Compared with the prior art, the utility model has the advantages and positive effects that can emergent power supply unblock after the battery is out of power, strong convenience, and need not increase cost additionally. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the principle block diagram of the utility model;

[0017] Figure 2 It is the principle block diagram of the utility model door inside lock control board;

[0018] Figure 3 It is the principle block diagram of the utility model door outside lock control board;

[0019] In the drawing: 1 is door lock battery, 2 is door inside lock control board, 3 is connecting wire, 4 is door outside lock control board, 5 is emergent power supply button, 201 is CPU1, 202 is motor drive module, 203 is motor module, 204 is doorbell, 205 is wireless module, 206 is visual cat eye, 207 is voltage conversion module, 401 is CPU2, 402 is face recognition module, 403 is fingerprint identification module, 404 is read card module, 405 is voice module, 406 is button module, 407 is second voltage conversion module. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Referring to Figures 1-3 The detailed technical scheme provided by the utility model is:

[0022] For example Figure 1As shown, a smart door lock that is restarted by a backup key after the battery is out of power, comprising a door lock battery 1, a door inside lock control panel 2, a connecting line 3, a door outside lock control panel 4 and an emergency power supply key 5, the door lock battery 1 is connected to the door inside lock control panel 2, the door inside lock control panel 2 is connected to the door outside lock control panel 4 through the connecting line 3, the door lock battery 1 is connected to the emergency power supply key 5 through the door inside lock control panel 2, the connecting line 3 and the door outside lock control panel 4, the emergency power supply key 5 is arranged on the door outside lock control panel 4, the user can pass through the triggering of the emergency power supply key 5 to deliver an emergency starting signal to the door lock battery 1, and the door lock battery 1 restores power supply after receiving the emergency starting signal; the smart door lock comprises two parts of the door inside lock control panel 2 and the door outside lock control panel 4; the door inside lock control panel 2 can contain a visual cat eye 206, i.e. a visual doorbell, a wireless module 205, i.e. a WIFI module and / or a Bluetooth module, a doorbell 204, a motor 203 and a motor drive module 202 according to different configurations; the door outside lock control panel 4 can include a face recognition module 402, a fingerprint recognition module 403, a card reading module 404, a voice module 405, a key module 406 and / or different unlocking functions such as vein according to different configurations; the door lock battery 1 adopts DC 5-8.4V, the motor drive module 202 adopts RZ7888 chip and peripheral circuit, the doorbell 204 adopts WTN617, and the WIFI module adopts XR872.

[0023] In the above embodiment, the emergency power supply key 5 is a short-circuit key switch to ground, that is, one end of the emergency power supply key 5 is connected to the emergency triggering end of the door lock battery 1, and the other end is connected to the negative electrode of the door lock battery 1.

[0024] In the above embodiment, as shown in Figure 2 The door inside lock control panel 2 comprises a CPU1 module 201, a motor drive module 202, a motor module 203 and a voltage conversion module 207, the CPU1 module 201 is connected to the motor drive module 202, the motor drive module 202 is connected to the motor module 203, the CPU1 module 201 is composed of a single-chip microcomputer and peripheral components, the door lock battery 1 is connected to the voltage conversion module 207, the voltage conversion module 207 is connected to the CPU1 module 201, the CPU1 adopts BAT32G / 33, and the voltage conversion module 207 is composed of DC 3.3V chip and peripheral components.

[0025] In the above embodiment, as shown in Figure 2 The door inside lock control panel 2 further comprises a doorbell 204, a wireless module 205 and / or a visual cat eye 206, and the CPU1 module 201 is connected to the doorbell 204, the wireless module 205 and / or the visual cat eye 206; the visual cat eye 206 adopts AC5211.

[0026] In the above embodiment, as shown in Figure 3As shown, the door outer lock control panel 4 can further include a CPU 2 module 401, a second voltage conversion module 407, and / or a face recognition module 402, a fingerprint recognition module 403, a card reading module 404, a voice module 405, and a key module 406, and the door outer lock control panel 4 is connected to the door inner lock control panel 2 through a connecting line 3 to realize human-computer interaction; the CPU 2 module 401 adopts HC32L130J8TA, the face recognition module 402 adopts FM225A, the fingerprint recognition module 403 adopts BF83112B, the card reading module 404 adopts RC522, the voice module 405 adopts WTN617, the key module 406 adopts a touch key CSK14T, and the voltage conversion module 407 adopts a DC 3.3V power conversion chip.

[0027] When the battery voltage is lower than the low voltage protection voltage (generally between 6.3-6.5V, different for different battery manufacturers), the battery will be disconnected from the output power supply and enter a low voltage protection mode. The smart door lock cannot be used due to power failure, which brings a lot of inconvenience to the user. However, when the battery enters the low voltage protection mode, the battery is not actually out of power, but is to protect the battery from damage caused by over-discharge. Therefore, when the battery enters the low voltage protection state, the battery still has enough power to open the door lock multiple times. The utility model adds an "emergency power supply button" on the door outer lock control panel 4. When the battery enters the protection state and the door lock is in a power failure state, the user can press the "emergency power supply button" to forcibly trigger the battery power supply and open the door lock again. In order to avoid damage to the battery caused by over-discharge, two-stage voltage protection is used in the battery design. On the basis of the existing battery protection, a 5.8V battery protection function is added. When the battery enters the first protection (voltage lower than 6.3V, which can be adjusted according to the actual situation), the "emergency power supply button" can supply power to the door lock. When the battery enters the second protection (voltage lower than 5.8V, which can be adjusted according to the actual situation), the "emergency power supply button" cannot start the battery again to avoid damage to the battery and recharging.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A smart door lock that uses a backup button to restart after the battery is discharged, characterized in that: The invention comprises a door lock battery (1), an inner door lock control panel (2), a connecting line (3), an outer door lock control panel (4) and an emergency power supply button (5); the door lock battery (1) is connected to the inner door lock control panel (2); the inner door lock control panel (2) is connected to the outer door lock control panel (4) via the connecting line (3); the door lock battery (1) is connected to the emergency power supply button (5) via the inner door lock control panel (2), the connecting line (3) and the outer door lock control panel (4); the emergency power supply button (5) is arranged on the outer door lock control panel (4); a user can transmit an emergency start signal to the door lock battery (1) by triggering the emergency power supply button (5); and the door lock battery (1) resumes power supply after receiving the emergency start signal.

2. The smart door lock according to claim 1, characterized in that: The emergency power supply button (5) is a ground short-circuit button switch, that is, one end of the emergency power supply button (5) is connected to the emergency trigger end of the door lock battery (1), and the other end is connected to the negative electrode of the door lock battery (1).

3. The smart door lock according to claim 1, characterized in that: The door lock control panel (2) comprises a CPU1 module (201), a motor drive module (202), a motor module (203) and a voltage conversion module (207); the CPU1 module (201) is connected to the motor drive module (202); the motor drive module (202) is connected to the motor module (203); the CPU1 module (201) is composed of a single-chip microcomputer and peripheral circuits; the door lock battery (1) is connected to the voltage conversion module (207); and the voltage conversion module (207) is connected to the CPU1 module (201).

4. The smart door lock according to claim 3, wherein: The door lock control panel (2) further comprises a doorbell (204), a wireless module (205) and / or a visual cat's eye (206), and the CPU1 module (201) is connected to the doorbell (204), the wireless module (205) and / or the visual cat's eye (206).

5. The smart door lock according to claim 1, wherein: The outer door lock control panel (4) comprises a CPU2 module (401), a second voltage conversion module (407) and / or a face recognition module (402), a fingerprint recognition module (403), a card reading module (404), a voice module (405), and a key module (406). The outer door lock control panel (4) is connected to the inner door lock control panel (2) via a connecting line (3) for human-computer interaction.

6. The smart door lock according to claim 4 or 5, characterized in that: The door lock battery (1) is a lithium-ion battery.

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