CN113047703A - Anti-disassembly alarm device based on magnetic attraction, magnetic attraction unlocking device and alarm method thereof - Google Patents
Anti-disassembly alarm device based on magnetic attraction, magnetic attraction unlocking device and alarm method thereof Download PDFInfo
- Publication number
- CN113047703A CN113047703A CN202110208749.5A CN202110208749A CN113047703A CN 113047703 A CN113047703 A CN 113047703A CN 202110208749 A CN202110208749 A CN 202110208749A CN 113047703 A CN113047703 A CN 113047703A
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- Prior art keywords
- magnetic attraction
- disassembly
- upper cover
- limiting
- alarm device
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B73/00—Devices for locking portable objects against unauthorised removal; Miscellaneous locking devices
- E05B73/0017—Anti-theft devices, e.g. tags or monitors, fixed to articles, e.g. clothes, and to be removed at the check-out of shops
- E05B73/0047—Unlocking tools; Decouplers
- E05B73/0052—Unlocking tools; Decouplers of the magnetic type
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- Burglar Alarm Systems (AREA)
Abstract
The invention relates to the technical field of anti-disassembly devices, in particular to an anti-disassembly alarm device based on magnetic attraction, an unlocking device and an alarm method of the anti-disassembly alarm device. The anti-disassembly alarm device based on magnetic attraction, the magnetic attraction unlocking device and the alarm method thereof have the advantages of simple overall structure, quick, safe and convenient locking and unlocking in use, strong locking force, difficult violent damage and long service life.
Description
Technical Field
The invention relates to the technical field of anti-disassembly devices, in particular to an anti-disassembly alarm device based on magnetic attraction, an unlocking device and an alarm method thereof.
Background
In some scenes, people or objects need to be supervised, objects need to be locked by anti-dismantling structures such as anti-dismantling rings, anti-dismantling electronic tags and the like, the anti-dismantling objects are attached to the people or the objects and are supervised, the people or the objects cannot be easily damaged, and an alarm needs to be triggered in time after the objects are damaged; one end of the lock core is movably connected with the lock upper cover; the other end of the lock core is suspended above the lock bottom shell through a first elastic device, keeps a preset distance from the lock bottom shell and is used for being inserted into a movable end of the device to be locked; the lock core is also provided with a clamping structure; the lock upper cover is provided with a pin, one end of the pin is connected with the lock upper cover through a second elastic device, and the other end of the pin is matched with the clamping structure. When the prior technical scheme is fastened with an inserted ribbon, the ribbon is easily burst out or pulled out by direct violence, the lock head is easily damaged, and the integral structure is complex and is easy to lose efficacy.
In view of the above technical problems, it is desirable to improve.
Disclosure of Invention
The invention aims to provide a magnetic attraction-based anti-disassembly alarm device, an unlocking device and an alarm method thereof, aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an anti-disassembly alarm device based on magnetic attraction comprises an anti-disassembly upper cover, an anti-disassembly belt and an anti-disassembly cover;
the anti-disassembly upper cover is internally provided with magnetic suction sliding blocks which are oppositely arranged, the magnetic suction sliding blocks slide along opposite direction shafts, inserting and buckling holes are formed among the magnetic suction sliding blocks, and springs are respectively arranged on the magnetic suction sliding block surfaces opposite to the inserting and buckling holes; the anti-dismounting cover is provided with an inserting column, the top end of the inserting column is provided with a conical plug, and the bottom of the conical plug is provided with a clamping groove position matched with the inserting buckle hole for inserting buckle;
a limiting column is further arranged between the anti-dismantling upper cover and the anti-dismantling cover, the limiting column is fixedly connected with any one end of the anti-dismantling upper cover or the anti-dismantling cover, the other end of the adapting body is provided with a limiting hole for inserting the limiting column, and an inductive switch plate is arranged in the limiting hole;
and a plurality of jacks for the insertion columns and the limiting columns to penetrate are arranged on the anti-dismantling belt.
Preferably, the number of the inserting columns is multiple, and the number of the matched inserting and buckling holes is multiple.
As the preferred scheme, the number of the limiting columns is multiple, and the number of the matched limiting holes is multiple.
As the preferred scheme, the number of the inserted columns and the limiting columns is two, and the number of the matched inserted buckling holes and the number of the matched limiting holes are two.
As a preferred scheme, the anti-dismantling upper cover comprises an upper cover shell and an upper cover plate, the magnetic suction sliding block is arranged between the upper cover shell and the upper cover plate, the upper cover plate is provided with a through hole matched with the inserting and buckling hole, and the limiting column is fixed on the upper cover plate; the anti-dismounting cover comprises a lower cover shell and a lower cover plate, the inserting column is arranged on the bottom wall of the lower cover shell or the lower cover plate, the induction switch plate is arranged between the lower cover shell and the lower cover plate, and the limiting hole is formed in the lower cover plate.
Preferably, the upper cover plate is also provided with a magnetic slider guide groove.
Preferably, a plug-in structure is arranged between the anti-disassembly upper cover and the anti-disassembly cover.
As a preferred scheme, a lead is arranged in the anti-dismantling belt and communicated with a power supply module and an alarm module.
The magnetic unlocking device comprises an unlocking device shell, wherein the bottom of the unlocking device shell is provided with a concave groove matched with the shape of an anti-unlocking upper cover, and magnetic attraction bodies are respectively embedded in the positions of two sides of the concave groove pointing to the opposite direction shaft of a magnetic attraction sliding block.
An alarm method of a magnetic attraction-based anti-disassembly alarm device is characterized in that an alarm module receives the on-off state of a wire circuit and the position state of a limiting column induced by an inductive switch of an inductive switch board, and generates alarm information if the wire circuit is disconnected or the limiting column is separated.
Compared with the prior art, the anti-disassembly alarm device based on magnetic attraction, the magnetic attraction unlocking device and the alarm method thereof have the advantages of simple overall structure, quick, safe and convenient locking and unlocking in use, strong locking force, difficulty in violent damage and long service life.
Drawings
Fig. 1 is a schematic view of an anti-disassembly alarm device based on magnetic attraction and a magnetic attraction unlocking device according to a first embodiment of the invention before unlocking;
fig. 2 is a schematic view of the magnetic attraction-based anti-tamper alarm device and the magnetic attraction unlocking device according to the first embodiment of the present invention when the overall structure is unlocked;
fig. 3 is a schematic view of an unlocking state of the overall structure of the magnetic attraction-based anti-detachment alarm device and the magnetic attraction unlocking device according to the first embodiment of the present invention;
fig. 4 is an exploded view of the anti-tamper alarm device based on magnetic attraction and each part of the magnetic attraction unlocking device according to the first embodiment of the present invention;
FIG. 5 is an exploded view of an anti-tamper upper cover of the anti-tamper alarm device based on magnetic attraction according to the first embodiment of the present invention;
FIG. 6 is an exploded view of a tamper-evident cover of the tamper-evident alarm device based on magnetic attraction according to the first embodiment of the present invention;
wherein: 1. the upper cover is prevented from being disassembled; 2. a tamper evident band; 3. a removal prevention cover; 4. a magnetic unlocking device; 11. an upper cover shell; 12, magnetically attracting the slide block; 13. a spring; 14. an upper cover plate; 15. a limiting column; 21. a wire; 31. a lower cover shell; 32. an induction switch board; 33. inserting a column; 34. a lower cover plate; 41. an unlocker housing; 42. a magnetic body.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The first embodiment is as follows:
as shown in fig. 1-6, the anti-dismantling alarm device based on magnetism of this embodiment is used for supervising people or objects under the scene that needs to be supervised, and the anti-dismantling alarm device can carry out quick hasp to people or objects, and the length of hasp can be adjusted, and under the state of hasp, the special magnetism of no adaptation is inhaled the unlocker and can't be opened, carries out state monitoring to the anti-dismantling area of hasp and hasp, and violent destruction is disassembled and can be triggered abnormal warning, uses special magnetism to inhale the unlocker and can open the unblock fast when needing to relieve the hasp state.
Specifically, the anti-dismantling alarm device comprises an anti-dismantling upper cover 1, an anti-dismantling belt 2 and an anti-dismantling cover 3.
The anti-disassembly upper cover 1 is internally provided with a magnetic suction slider 12 which is oppositely arranged, a magnetic suction finger of the magnetic suction slider 12 has magnetic suction property and can be magnetically sucked by a magnet or other magnetic substances, the realization mode can be that the slider is made of magnetic suction metal such as iron, nickel and the like and alloy materials or is embedded with the magnetic suction material, the slider slides along opposite direction shafts, a plug-in hole is arranged between the magnetic suction sliders 12, the magnetic suction slider 12 surface opposite to the plug-in hole is respectively provided with a spring 13, the spring 13 is propped against the inner wall of the anti-disassembly upper cover 1, the anti-disassembly upper cover 1 can be integrally formed or spliced, the splicing mode can be designed into a square upper cover shell 11 and an upper cover plate 14 with an adaptive shape, the magnetic suction slider 12 is arranged between the upper cover shell 11 and the upper cover plate 14, and the upper cover plate 14 is provided with a through hole adaptive plug-in hole; the preferred splicing mode can adopt other modes capable of realizing molding, such as circular annular design and the like, and is not limited in shape and splicing connection mode.
The anti-dismounting cover 3 is provided with an inserting column 33, the top end of the inserting column 33 is provided with a conical plug, the bottom of the conical plug is provided with a clamping groove matched with the inserting buckle of the inserting buckle hole, the anti-dismounting cover 3 can be integrally formed or spliced, the splicing mode can be designed into a square lower cover shell 31 and a lower cover plate 34 in a matched shape, the inserting column 33 is arranged on the bottom wall of the lower cover shell 31 or the lower cover plate 34, and the bottom wall of the lower cover shell 31 is preferably designed, so that the fixing of the inserting column 33 is more stable and is not easily damaged violently; the preferred splicing mode can adopt other modes such as circular annular design and the like which can realize molding, and is not limited in shape and splicing connection mode.
Prevent tearing open upper cover 1 and prevent tearing open still to have spacing post 15 between the lid 3, spacing post 15 with prevent tearing open upper cover 1 or prevent tearing open 3 arbitrary one end fixed connection of lid down, the other end of adaptation has the spacing hole that supplies spacing post 15 male, spacing downthehole inductive switch board 32 that is provided with, inductive switch board 32 is used for responding to the position state of spacing post and provides the warning message when spacing post breaks away from. The limit column 15 is preferably designed to be fixed on the upper cover plate 14, the limit hole is formed in the lower cover plate 34, the inductive switch plate 32 is arranged between the lower cover shell 31 and the lower cover plate 34, the inductive switch is designed to face the limit hole, the space layout is reasonable, and the interference of parts is reduced; the number of the inserting columns 33 and the number of the limiting columns 15 are two, the number of the inserting buckling holes and the number of the limiting holes which are matched with each other are two, and the inserting buckling holes and the limiting holes are designed to be transversely arranged in parallel, and due to the existence of the inserting columns 33 and the limiting columns 15, compared with the technical scheme of a single lock cylinder in the prior art, the lock catch strength can be enhanced (the lock cylinder end is stressed when violently propped out or pulled out, and is easy to slide out from the end part), the difficulty of avoiding being pulled out by violence can be increased, when the number of the inserting columns 33 and the limiting columns 15 is two, the strength toughness reduction caused by the fact that the anti-disassembly belt 2 is adaptive to punching is not excessively influenced, a positioning effect; preferably, the number of the inserting columns 33 and the number of the limiting columns 15 can be single or multiple, the number of the matched inserting and buckling holes and the number of the matched limiting holes are single or multiple, the structure of the single number is simple, the cost is reduced, and the multiple numbers can be matched and designed according to the material strength and the scene of a demand side; the anti-dismantling belt 2 is provided with a plurality of jacks for the insertion columns 33 and the limiting columns 15 to pass through, the jacks are matched with the insertion columns 33 and the limiting columns 15, and the anti-dismantling belt 2 is internally provided with a lead 21 for communicating a circuit and sensing whether the anti-dismantling belt 2 is violently dismantled and damaged.
The anti-dismantling principle of the anti-dismantling alarm device is as follows: the anti-disassembly belt 2 inserts the jack into the plug-in post 33, so that the anti-disassembly belt 2 is arranged in the anti-disassembly cover 3, the anti-disassembly upper cover 1 is aligned with the plug-in post 33 or the jack buckle, the conical plug of the plug-in post 33 of the closed anti-disassembly cover 3 is inserted into the buckle hole between the magnetic suction sliding blocks 12 with the spring 13, under the buffering of the spring 13, the plug-in hole is stressed and expanded during insertion, so that the plug-in post 33 can be smoothly inserted into the plug-in hole, when the plug-in post 33 is inserted into the buckle groove, the magnetic suction sliding blocks 12 are buckled and hooped on the buckle groove again under the elastic force of the spring 13, the diameter of the plug-in post 33 is designed to be larger than that of the plug-in hole, the plug-in post 33 can be buckled in the plug-in hole. Preferably, a magnetic attraction sliding block 12 guide groove is further designed on the upper cover plate 14 for guiding the magnetic attraction sliding block 12 to slide stably, so that the use of buckling and unlocking is more stable; preferably, prevent tearing open upper cover 1 and prevent tearing open and have grafting structure between the cover 3, grafting structure can be established respectively and prevent tearing open the grafting arch/grafting recess of mutual adaptation between the upper and lower cover, or establish respectively and prevent tearing open the form such as the grafting of mutual adaptation is buckled between the upper and lower cover, can make to have certain guide effect and can make the lock more stable simultaneously when preventing tearing open the upper and lower cover lock, avoid unexpected external force to destroy to prevent tearing open the lock between the upper and lower cover, can also provide horizontal protective force.
The unlocking principle of the magnetic unlocking device 4 is as follows: the magnetic unlocking device 4 is composed of an unlocking device shell 41 and a magnetic attraction body 42, wherein the bottom of the unlocking device shell 41 is provided with a concave groove matched with the shape of the anti-dismounting upper cover 1, the magnetic attraction body 42 is respectively embedded in the positions of two sides of the concave groove pointing to along the opposite direction axis of the magnetic attraction sliding block 12, and the magnetic attraction body 42 can be a strong magnet or an electromagnet and other magnetic objects; during the unblock, 4 concave groove cards of release are inhaled to magnetism are at the top of preventing tearing open upper cover 1, and at this moment, the slider 12 both sides are inhaled to magnetism that the body 42 is inhaled in the release is located opposition setting to magnetism of inhaling, and under the magnetic attraction effect of the body 42 of receiving magnetism, overcome spring 13 elasticity, the slider 12 separation slip is inhaled to magnetism, and the eye-splice hole expansion is inserted post 33 and can be break away from the hasp state, and the upper and lower lid can break away from the realization and unlock, and can break away from the unblock fast (second is opened).
The alarm method comprises the following steps: the lead 21 is communicated with a power supply module and an alarm module, the power supply module supplies power for the whole circuit, the alarm module receives the on-off state of the circuit of the lead 21 and the position state of the limiting column 15 induced by the inductive switch of the inductive switch plate 32, and alarm information is generated if the circuit of the lead 21 is disconnected or the limiting column 15 is separated. The power supply module and the alarm module can be integrated on the sensing switch board 32, or placed in the anti-detachment upper cover and the anti-detachment lower cover, or externally connected to other parts such as the end part of the anti-detachment belt 2, a control terminal and the like; preferably, wire 21 intercommunication induction switch board 32, the intercommunication mode is unlimited, for example coupling connection or lug connection, coupling connection can use induction coil induction connection, lug connection can be prevented tearing 3 side fluting supplies of lid down and prevent tearing 2 a certain tip in area and insert fixedly, fixed mode is unlimited can be screw fixation or press fastening etc. end wire 21 can directly link induction switch board 32, can simplify power module, alarm module's arrangement. The alarm principle is as follows: after the limiting post 15 of the anti-disassembly upper cover 1 prevents the limiting hole of the anti-disassembly cover 3, an inductive switch of the inductive switch plate 32 is designed to be positioned behind the limiting hole, the inductive switch can be a limiting switch, the limiting post 15 is abutted to the limiting switch to press the switch, when the anti-disassembly upper cover and the anti-disassembly lower cover are opened, the limiting post 15 is separated from the limiting switch, at the moment, information of the limiting switch can be collected by an alarm module to alarm, preferably, the inductive switch can be a Hall inductive switch or a photoelectric inductive switch and the like, can realize induction of the limiting post 15, is unlimited in form and is selected according to a use scene; preferably, an inductive switch can be arranged at the end of the plug 33; the lead 21 in the anti-disassembly belt 2 can sense the damage of the anti-disassembly belt 2, when the anti-disassembly belt 2 is damaged, the circuit of the lead 21 is broken, and the state information can be collected by the alarm module to alarm.
It should be noted that "up" and "down" of the anti-detachment upper cover and the anti-detachment lower cover in the embodiment are only for convenience of explaining the technical scheme, and do not limit the up-down relationship, and the structures thereof can be interchanged; the opposite axial direction of the magnetic attraction sliding block is only one mode of scheme realization, and can also be perpendicular to the anti-disassembly belt direction or other angle directions, and the magnetic attraction body arrangement position of the magnetic attraction unlocking device is matched with the magnetic attraction sliding block direction.
The anti-dismantling alarm device based on magnetic attraction and the magnetic attraction unlocking device and the alarm method thereof have the advantages that the overall structure is simple, the locking and unlocking are safe and convenient during use, the locking force is strong, the stress is the column side surfaces of the plurality of inserted columns and the limiting columns when violently propped out or pulled out, the columns are not easily damaged by violence (meanwhile, the abrasion of the lock head caused by the stress does not exist), and the overall structure can be made into a sealing structure to achieve a waterproof effect.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. An anti-disassembly alarm device based on magnetic attraction is characterized by comprising an anti-disassembly upper cover, an anti-disassembly belt and an anti-disassembly lower cover;
the anti-disassembly upper cover is internally provided with magnetic suction sliding blocks which are oppositely arranged, the magnetic suction sliding blocks slide along opposite direction shafts, inserting and buckling holes are formed among the magnetic suction sliding blocks, and springs are respectively arranged on the magnetic suction sliding block surfaces opposite to the inserting and buckling holes; the anti-dismounting cover is provided with an inserting column, the top end of the inserting column is provided with a conical plug, and the bottom of the conical plug is provided with a clamping groove position matched with the inserting buckle hole for inserting buckle;
a limiting column is further arranged between the anti-dismantling upper cover and the anti-dismantling cover, the limiting column is fixedly connected with any one end of the anti-dismantling upper cover or the anti-dismantling cover, the other end of the adapting body is provided with a limiting hole for inserting the limiting column, and an inductive switch plate is arranged in the limiting hole;
and a plurality of jacks for the insertion columns and the limiting columns to penetrate are arranged on the anti-dismantling belt.
2. The anti-disassembly alarm device based on magnetic attraction of claim 1, wherein the number of the inserting posts is multiple, and the number of the matched inserting holes is multiple.
3. The anti-disassembly alarm device based on magnetism of claim 2, wherein the number of the limiting posts is multiple, and the number of the matched limiting holes is multiple.
4. The anti-disassembly alarm device based on magnetic attraction of claim 3, wherein the number of the inserting posts and the limiting posts is two, and the number of the inserting holes and the limiting holes which are matched with each other is two.
5. The anti-disassembly alarm device based on magnetic attraction of claim 4, wherein the anti-disassembly upper cover comprises an upper cover shell and an upper cover plate, the magnetic attraction sliding block is arranged between the upper cover shell and the upper cover plate, the upper cover plate is provided with a through hole matched with the inserting and buckling hole, and the limiting column is fixed on the upper cover plate; the anti-dismounting cover comprises a lower cover shell and a lower cover plate, the inserting column is arranged on the bottom wall of the lower cover shell or the lower cover plate, the induction switch plate is arranged between the lower cover shell and the lower cover plate, and the limiting hole is formed in the lower cover plate.
6. The magnetic attraction based tamper alarm device of claim 5, wherein the cover plate further comprises a magnetic attraction slider guide groove.
7. The magnetic attraction-based tamper alarm device of claim 6, wherein the upper tamper-proof cover and the lower tamper-proof cover are connected by a plug-in structure.
8. The magnetic attraction-based tamper alarm device according to any one of claims 1 to 7, wherein a wire is arranged in the tamper band and is communicated with the power supply module and the alarm module.
9. A magnetic unlocking device of a magnetic anti-disassembly alarm device based on the magnetic attraction is characterized by comprising an unlocking device shell, wherein the bottom of the unlocking device shell is provided with a concave groove matched with the shape of an anti-disassembly upper cover, and magnetic attraction bodies are respectively embedded in the positions of two sides of the concave groove pointing along opposite direction shafts of a magnetic attraction sliding block.
10. The warning method of the anti-disassembly warning device based on the magnetic attraction as claimed in claim 8, wherein the warning module receives the on-off state of the wire circuit and the position state of the limit post induced by the inductive switch of the inductive switch board, and generates warning information if the wire circuit is disconnected or the limit post is separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208749.5A CN113047703A (en) | 2021-02-25 | 2021-02-25 | Anti-disassembly alarm device based on magnetic attraction, magnetic attraction unlocking device and alarm method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110208749.5A CN113047703A (en) | 2021-02-25 | 2021-02-25 | Anti-disassembly alarm device based on magnetic attraction, magnetic attraction unlocking device and alarm method thereof |
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| Publication Number | Publication Date |
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| CN113047703A true CN113047703A (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110208749.5A Pending CN113047703A (en) | 2021-02-25 | 2021-02-25 | Anti-disassembly alarm device based on magnetic attraction, magnetic attraction unlocking device and alarm method thereof |
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| CN (1) | CN113047703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323521A (en) * | 2021-07-09 | 2021-08-31 | 杭州中芯微电子有限公司 | Locking device, locking kit and wearable equipment |
| CN115824337A (en) * | 2023-02-07 | 2023-03-21 | 青岛宾川智能科技有限公司 | Instrument and meter anti-disassembly automatic alarm system |
| CN116752846A (en) * | 2023-08-16 | 2023-09-15 | 福建思安智能科技开发有限公司 | Intelligent tool lock and voltage detection method for intelligent tool lock |
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| CN111305665A (en) * | 2020-03-30 | 2020-06-19 | 中国工商银行股份有限公司 | Commodity anti-theft device |
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| US20030047530A1 (en) * | 2000-04-01 | 2003-03-13 | Durbin Paul Francis | Security device for a bottle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113323521A (en) * | 2021-07-09 | 2021-08-31 | 杭州中芯微电子有限公司 | Locking device, locking kit and wearable equipment |
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| CN116752846A (en) * | 2023-08-16 | 2023-09-15 | 福建思安智能科技开发有限公司 | Intelligent tool lock and voltage detection method for intelligent tool lock |
| CN116752846B (en) * | 2023-08-16 | 2023-12-01 | 福建思安智能科技开发有限公司 | Intelligent tool lock and voltage detection method for intelligent tool lock |
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Application publication date: 20210629 |
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