CN211949983U

CN211949983U - Low-power-consumption padlock based on NB-IOT

Info

Publication number: CN211949983U
Application number: CN201922482328.2U
Authority: CN
Inventors: 高小光
Original assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Current assignee: Zhejiang Pujiang Plum-Blossom Lock Industry
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-17
Anticipated expiration: 2029-12-31
Also published as: WO2021135821A1

Abstract

The utility model provides a low-power consumption padlock based on NB-IOT, including collar tie and lock body, this collar tie has one or two plugs that can break away from this lock body completely, and this lock body has the jack that holds this plug, is equipped with in this lock body to be used for sending alarm information to receiving arrangement NB-IOT module, be used for detecting when unblanking unusually the collar tie detection switch, the battery of unblanking that unblanks unusually should unblank the detection switch the battery all with NB-IOT module electricity is connected. The utility model discloses in, the detection switch that unblanks has automatic re-setting's activity execution portion, works as when the lock beam is in lock state, the plug extrusion activity execution portion makes the detection switch disconnection of unblanking, NB-IOT module outage, the plug breaks away from during the jack the detection switch closure of unblanking, the battery to NB-IOT module power supply.

Description

Low-power-consumption padlock based on NB-IOT

Technical Field

The utility model relates to a padlock field, especially a low-power consumption padlock based on NB-IOT.

Background

The prior padlock is of a pure mechanical structure, and the lock beam is inserted into the lock body, and meanwhile, the second lock tongue is inserted into the lock beam, so that the lock beam cannot be automatically ejected out of the lock shell, and the locking purpose is achieved; the state of the lock cannot be detected in real time by a purely mechanical padlock, and when the lock is locked, if only the lock beam is inserted into the lock body, and the second lock tongue is not inserted into the lock beam due to insufficient insertion depth, the padlock is not locked, and a user does not know, so that a large potential safety hazard can be caused once the user leaves.

Please refer to fig. 1, chinese patent application No. CN109736643A discloses a padlock with a locking detection component, which is characterized in that it includes a lock body 1, a U-shaped lock beam, a CPU3 (equivalent to a control module), a locking detection component 4 (equivalent to an unlocking detection switch) and an NB-IOT module 5, the right end of the U-shaped lock beam is inserted into the lock body 1, the bottom of the left end of the U-shaped lock beam is provided with an unlocking spring 21, so that the left end of the U-shaped lock beam moves up and down in the lock body 1 along with the expansion and contraction of the unlocking spring 21; the locking detection part 4 comprises a Hall sensor 41 and a permanent magnet 42, the Hall sensor 41 is fixedly connected in the lock body 1, the Hall sensor 41 is electrically connected with a CPU3, the permanent magnet 42 is fixedly connected at one side of the left end of the U-shaped lock beam, two ends of the U-shaped lock beam are simultaneously inserted into the lock body 1, and the permanent magnet 42 and the Hall sensor 41 are positioned on the same horizontal plane, so that the Hall sensor 41 generates a locking signal and transmits the locking signal to the CPU 3; the NB-IOT module 5 is electrically connected to the CPU3, so that the CPU3 transmits the processed blocking signal to the mobile phone APP; the two-dimensional code is pasted on the outer side end face of the lock body 1, so that an unlocking signal is transmitted to the CPU3 through the NB-IOT module 5 after the mobile phone scans the code.

According to the prior art, the Hall sensor is used for detecting the plastic state in real time, and the Hall sensor, the CPU and the NB-IOT module need to be powered on all the time, so that the power consumption is high, and the service time of a battery is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-power consumption padlock based on NB-IOT, which comprises a lock beam and a lock body, the lock beam has one or two plugs that can be completely disengaged from the lock body, the lock body has a receptacle that receives the plug, an NB-IOT module used for sending alarm information to a receiving device when the lock body is abnormally unlocked, an unlocking detection switch used for detecting whether the lock beam is abnormally unlocked and a battery are arranged in the lock body, the unlocking detection switch and the battery are electrically connected with the NB-IOT module, the unlocking detection switch is provided with an automatic reset movable execution part, when the lock beam is in a locked state, the plug presses the movable execution part to disconnect the unlocking detection switch, the NB-IOT module is powered off, the unlocking detection switch is closed when the plug is separated from the jack, and the battery supplies power to the NB-IOT module.

The utility model discloses an in an embodiment, still be equipped with in the lock body and be used for the electronic lock core of unblanking, be used for gathering the collection module of information of unblanking, be used for verifying this information of unblanking and drive after the information of unblanking passes through verification the control module that electronic lock core work was unblanked, this electronic lock core, this collection module NB-IOT module the battery all with the control module electricity is connected.

The utility model discloses an in the embodiment, still be equipped with in the lock with the awakening switch that the control module electricity is connected should awaken up the switch and be used for awakening up collection module control module.

The utility model discloses an embodiment, collection module is the bluetooth antenna, awakens up when the bluetooth antenna receives the information of unblanking control module collection module.

In an embodiment of the present invention, the control module is connected to a timing module, and the control module is further used for controlling the NB-IOT module to send the lock status information to the receiving device.

In an embodiment of the present invention, the low power consumption padlock further includes a steel ball and a rotation column located in the lock body, the lock beam is provided with a matching recess corresponding to the steel ball, and the rotation column has a protruding portion for limiting the steel ball in the matching recess and a notch portion for providing the steel ball with a space separated from the matching recess; the lower end of the rotating column is provided with driven teeth, and a shifting head of the electronic lock cylinder is provided with driving teeth for driving the driven teeth; the electronic lock cylinder is used for rotating the driving tooth to enable the rotating column to rotate from a locking position of the protruding portion facing the steel ball to an unlocking position of the notch portion facing the steel ball, so that the steel ball is allowed to be completely separated from the matching recess.

In an embodiment of the present invention, a return torsion spring is provided between the rotary post and the lock body, and the return torsion spring is used for keeping the rotary post in a locking position where the protruding portion faces the steel ball.

In an embodiment of the present invention, the lock body further has a transmission portion with one end located in the insertion hole, the other end of the transmission portion extends toward the movable executing portion, when the lock beam is in the locked state, the plug is extruded through the transmission portion to extrude the movable executing portion to make the unlocking detection switch open, the transmission portion and the lock body have a return spring therebetween, and the return spring is used for keeping the transmission portion away from the movable executing portion.

The utility model discloses an in one embodiment, the detection switch that unblanks is automatic re-setting's normally closed stroke detection switch, control module sets up on main circuit board, this the detection switch that unblanks is in with this main circuit board fixed connection and this detection switch setting that unblanks the jack below.

In an embodiment of the present invention, the lock beam is a U-shaped lock beam or a flexible lock beam.

The utility model discloses in, the detection switch that unblanks has automatic re-setting's activity execution portion, works as when the lock beam is in lock state, the plug extrusion activity execution portion makes the detection switch disconnection of unblanking, NB-IOT module outage, the plug breaks away from during the jack the detection switch closure of unblanking, the battery to NB-IOT module power supply.

Drawings

Fig. 1 is a schematic view showing a padlock with a locking detection part according to the prior art.

Fig. 2 shows a cross-sectional view of a strand unit of the PP rope of fig. 1.

Fig. 3 is a schematic structural diagram of a low-power padlock based on NB-IOT according to a first embodiment of the present invention.

Fig. 4 shows an exploded view of the NB-IOT based low power padlock of fig. 3.

Fig. 5 is a partially enlarged view of a portion a of fig. 4.

Fig. 6 is a cross-sectional view of the NB-IOT based low-power padlock of fig. 3.

Figure 7 is an exploded view of the electronic lock cylinder and turning post of the NB-IOT based low power padlock of figure 4.

Fig. 8 is a schematic diagram showing the states of the transmission part and the movable execution part in the locking state of the NB-IOT based low-power padlock in fig. 3.

Fig. 9 is a schematic diagram showing the states of the transmission part and the movable execution part in the unlocking state of the NB-IOT based low-power padlock in fig. 3.

Fig. 10 is a circuit connection diagram of the NB-IOT based low power padlock of fig. 3.

Fig. 11 is a schematic structural diagram of a low-power padlock according to a second embodiment of the present invention, which is unlocked through a mechanical lock cylinder.

Fig. 12 is a partially enlarged view of a portion B of fig. 11.

FIG. 13 is a circuit schematic diagram of the NB-IOT based low power padlock of FIG. 11.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Referring to fig. 2-10, the NB-IOT based low-power padlock according to the first embodiment of the present invention includes: the lock comprises a lock beam 2 and a lock body 1, wherein the lock beam 2 is provided with one or two plugs 21 which can be completely separated from the lock body 1, the lock body 1 is provided with a jack 11 for accommodating the plugs 21, and a lock beam compression spring 2t is arranged between the lock beam 2 and the jack 11 on one side. An NB-IOT module 5 used for sending alarm information to a receiving device 100 (not shown) when abnormal unlocking is carried out is arranged in the lock body 1, an unlocking detection switch 4 used for detecting whether the lock beam 2 is abnormally unlocked or not and a battery 6 are arranged, the unlocking detection switch 4 and the battery 6 are electrically connected with the NB-IOT module 5, the unlocking detection switch 4 is provided with an automatic reset movable execution part 41, when the lock beam 2 is in a locking state, a plug 21 presses the movable execution part 41 to enable the unlocking detection switch 4 to be disconnected, the NB-IOT module 5 is powered off, the unlocking detection switch is closed when the plug 21 is separated from the jack 11, and the battery 6 supplies power to the NB-IOT module 5.

The lock body 1 comprises a lock shell 1a, a clapboard 1b, an installation rack 1c, a backing plate 1d and a lock cover 1 e. The lock case 1a, the backing plate 1d and the lock cover 1e form a plurality of closed spaces. The lock body 1 is also internally provided with an electronic lock cylinder 8 for unlocking, an acquisition module 7 for acquiring unlocking information, and a control module 3 for verifying the unlocking information and driving the electronic lock cylinder 8 to work and unlock after the unlocking information is verified, wherein the electronic lock cylinder 8, the acquisition module 7, the control module 3 and the battery 6 are electrically connected with the control module 3.

Still be equipped with in the lock body 1 and awaken up switch 9 with control module 3 electricity is connected, awakens up switch 9 and is used for awakening up collection module 7, control module 3. It is of course also possible not to provide the wake-up switch 9,

the acquisition module 7 is a bluetooth antenna, and the control module 3 and the acquisition module 7 are awakened when the bluetooth antenna receives unlocking information. The NB-IOT module and the data interface are positioned between the backing plate 1d and the lock cover 1 e. In other embodiments of the present invention, the collecting module 7 can also be one or more of a data interface, a bluetooth antenna, a fingerprint sensor, and a card reader.

The control module 3 is connected with a timing module 10, and the control module 3 is further configured to periodically control the NB-IOT module 5 to send lock state information to the receiving apparatus 100. The receiving device 100 may be a server or a mobile terminal. When the lock body 1 is damaged by malignant damage to cause part damage, the state information of the lock can be lost, the lock can be known to be damaged, and the lock can be conveniently and timely processed.

The low-power-consumption padlock based on the NB-IOT further comprises a steel ball 101 and a rotating column 102, wherein the steel ball 101 and the rotating column 102 are positioned in the lock body 1, the lock beam 2 is provided with a matching recess 20 corresponding to the steel ball 101, and the rotating column 102 is provided with a protruding part 101a used for limiting the steel ball 101 in the matching recess 20 and a notch part 101b used for providing a space for the steel ball 101 to be separated from the matching recess 20; the lower end of the rotating column 102 is provided with a driven tooth, and the shifting head 81 of the electronic lock cylinder 8 is provided with a driving tooth for driving the driven tooth; the motor 82 of the electronic lock cylinder 8 is used to rotate the driving teeth to rotate the rotating cylinder 102 from the locked position where the protruding portion 101a faces the steel ball 101 to the unlocked position where the notched portion 101b faces the steel ball 101 to allow the steel ball 101 to be completely separated from the mating recess 20.

The dial 81 is provided with an actuator 812 for stopping the rotation of the motor 82, and the control module 3 is connected with a motor detection switch 821, wherein the motor detection switch 821 is a proximity switch or a tact switch. The exciter 812 excites the motor detection switch 821 when the motor 82 drives the dial 81 to rotate for a circle to enable the exciter 812 to return to the initial position, and the control module 3 controls the motor 82 to be powered down after the motor detection switch 821 is excited, so that the power consumption of the motor 82 is saved.

Between the rotary column 102 and the lock body 1 there is a return torsion spring 102c, the return torsion spring 102c being used to keep the rotary column 102 in a locked position with the protruding part 101a towards the steel ball 101.

The lock body 1 is further provided with a transmission part 4a with one end positioned in the jack 11, the other end of the transmission part 4a extends towards the movable execution part 41, when the lock beam 2 is in a locking state, the plug 21 presses the movable execution part 41 through pressing the transmission part 4a to disconnect the unlocking detection switch 4, a return spring 4b is arranged between the transmission part 4a and the lock body 1, and the return spring 4b is used for keeping the transmission part 4a away from the movable execution part 41.

The unlocking detection switch 4 is an automatic reset normally closed travel detection switch, the control module 3 is arranged on the main circuit board 200, the unlocking detection switch 4 is fixedly connected with the main circuit board 200, and the unlocking detection switch 4 is arranged below the jack 11. The shackle 2 is a U-shaped shackle, in other embodiments a flexible shackle.

Referring to fig. 11-13, in the NB-IOT based low power padlock according to the second embodiment of the present invention, the mechanical lock cylinder 85 replaces the electronic lock cylinder 8, and a corresponding key is inserted to rotate the mechanical lock cylinder 85 to rotate the active teeth, so that the rotary post 102 is rotated from the locking position where the protruding portion 101a faces the steel ball 101 to the unlocking position where the notched portion 101b faces the steel ball 101, to allow the steel ball 101 to be completely separated from the mating recess 20.

The unlocking detection switch 4 can be arranged on the side of the jack 11, the movable execution part 41 of the unlocking detection switch 4 is rotatably connected to the unlocking detection switch 4, when the lock beam 2 is in a locking state, the plug 21 extrudes the movable execution part 41 to rotate downwards to enable the unlocking detection switch 4 to be disconnected, the NB-IOT module 5 is powered off, when the plug 21 is separated from the jack 11, the unlocking detection switch 4 is closed, the battery 6 supplies power to the NB-IOT module 5, and the lock state information is sent to the receiving device 100.

The utility model discloses in, the detection switch that unblanks has automatic re-setting's activity execution portion, when the lock beam is in lock state, plug extrusion activity execution portion makes the detection switch disconnection of unblanking, and NB-IOT module outage, the detection switch closure of unblanking when the plug breaks away from the jack, and the battery is to NB-IOT module power supply, sends the warning and/or sends tool to lock state information in order to remind the user to receiving arrangement.

The utility model discloses in, the side of shifting block has set up the exciter and has made the motor drive shifting block continue to rotate after the unblock and can fall the electricity when initial position, only need participate in work when the unblock, reduces the loss of motor and battery, has prolonged life.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims

1. An NB-IOT based low power padlock includes a shackle having one or two plugs that can be completely disengaged from a lock body, and a lock body having a receptacle for receiving the plug, it is characterized in that an NB-IOT module used for sending alarm information to a receiving device when the lock body is abnormally unlocked, an unlocking detection switch used for detecting whether the lock beam is abnormally unlocked and a battery are arranged in the lock body, the unlocking detection switch and the battery are electrically connected with the NB-IOT module, the unlocking detection switch is provided with an automatic reset movable execution part, when the lock beam is in a locked state, the plug presses the movable execution part to disconnect the unlocking detection switch, the NB-IOT module is powered off, the unlocking detection switch is closed when the plug is separated from the jack, and the battery supplies power to the NB-IOT module.

2. The NB-IOT based low-power padlock according to claim 1, wherein an electronic lock cylinder for unlocking, an acquisition module for acquiring unlocking information, and a control module for verifying the unlocking information and driving the electronic lock cylinder to operate and unlock after the unlocking information is verified are further arranged in the lock body, and the electronic lock cylinder, the acquisition module, the NB-IOT module and the battery are all electrically connected with the control module.

3. The NB-IOT based low power consumption padlock of claim 2, wherein a wake-up switch is further provided in the padlock body, electrically connected to the control module, for waking up the acquisition module and the control module.

4. The NB-IOT based low power padlock of claim 2, wherein the acquisition module is a Bluetooth antenna, and wherein the control module and the acquisition module are awakened when the Bluetooth antenna receives unlocking information.

5. The NB-IOT based low power padlock of claim 2, wherein the control module is connected to a timing module, and is further configured to periodically control the NB-IOT module to send lock status information to the receiving device.

6. The NB-IOT based low power consumption padlock of claim 5, further comprising a steel ball located in the lock body, a rotating column, the shackle being provided with a mating recess corresponding to the steel ball, the rotating column having a protruding portion for restraining the steel ball in the mating recess and a notched portion for providing space for the steel ball to escape from the mating recess; the lower end of the rotating column is provided with driven teeth, and a shifting head of the electronic lock cylinder is provided with driving teeth for driving the driven teeth; the electronic lock cylinder is used for rotating the driving tooth to enable the rotating column to rotate from a locking position of the protruding portion facing the steel ball to an unlocking position of the notch portion facing the steel ball, so that the steel ball is allowed to be completely separated from the matching recess.

7. The NB-IOT based low power padlock of claim 6, wherein between the rotating post and the lock body there is a return torsion spring for holding the rotating post in a locked position with the protruding portion facing the steel ball.

8. The NB-IOT based low power padlock of claim 7, wherein the lock body further comprises a transmission part with one end located in the receptacle and the other end extending towards the movable actuation part, when the shackle is in the locked state, the plug presses the movable actuation part through the transmission part to turn off the unlocking detection switch, and a return spring is provided between the transmission part and the lock body and used for keeping the transmission part away from the movable actuation part.

9. An NB-IOT based low power padlock as claimed in any one of claims 5 to 8, wherein the unlocking detection switch is an automatically resetting normally closed travel detection switch, the control module is provided on the main circuit board, the unlocking detection switch is fixedly connected with the main circuit board and the unlocking detection switch is provided below the jack.

10. The NB-IOT based low power padlock of claim 1, wherein the shackle is a U-shaped shackle or a flexible shackle.