CN111508115A - Hand-held palm print recognition intelligent door lock - Google Patents
Hand-held palm print recognition intelligent door lock Download PDFInfo
- Publication number
- CN111508115A CN111508115A CN202010474896.2A CN202010474896A CN111508115A CN 111508115 A CN111508115 A CN 111508115A CN 202010474896 A CN202010474896 A CN 202010474896A CN 111508115 A CN111508115 A CN 111508115A
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- China
- Prior art keywords
- lock
- hand
- palm print
- frame
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000003811 finger Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 210000004247 hand Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000037380 skin damage Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/002—Weather or dirt protection
-
- 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
- E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
- E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/002—Faceplates or front plates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application discloses hand-held palm print discernment intelligence lock, including casing, handle, keyhole, sealed frame, sealing washer, baffle, singlechip, capacitanc contact pick-up ware, lithium cell, alarm, waterproof frame, automatically controlled spring bolt, infrared lamp, transparent protection casing, guard plate, CCD camera, guide way, slider, cylinder, push pedal, wedge, dop, spring, locking groove, fixture block, through-hole, lock core and fixed frame. This application is through holding the handle, there is low-power consumption capacitanc touch sensor on the handle, the tool to lock is in dormant state at ordinary times, system awakens up during hand contact handle, open the infrared lamp and the CCD camera at the back, the door handle back is shone in the palm or indicates the position by the infrared lamp, acquire the image by the CCD camera again, image data spreads into the singlechip and carries out algorithm analysis, with this realization registration and recognition function, when discernment is passed through not many times, the sound production of single chip microcomputer control alarm, provide the warning to the people in the door, and convenient to use is safer.
Description
Technical Field
The application relates to an intelligent lock, in particular to a handheld palm print recognition intelligent door lock, and belongs to the technical field of intelligent lock application.
Background
The intelligent lock is a lock which is different from a traditional mechanical lock and is more intelligent in the aspects of user identification, safety and manageability, the intelligent lock is an execution component for locking a door in an access control system, and the intelligent lock is different from the traditional mechanical lock and is a composite lock with safety, convenience and advanced technology.
At present, a current holding open type intelligence lock, all have and place the fingerprint collection module in the handle epaxial, hold the handle and use the thumb discernment to open the door, this kind of mode is confined in the posture of thumb, other 4 finger discernments are very little turned round, current fingerprint identification intelligence lock, need stretch into dedicated sensor acquisition region with the finger, rotate the handle again after the discernment and open the door, inconvenient use, because when carrying out fingerprint identification, only need discern a certain finger, make verification information comparatively single, the security of intelligence lock has been reduced. Therefore, a handheld palm print recognition intelligent door lock is provided for solving the problems.
Disclosure of Invention
The present application aims to solve the above problems and provide a handheld intelligent door lock with palmprint recognition.
The application realizes the purpose through the following technical scheme, and the hand-held palm print recognition intelligent door lock comprises a shell, a recognition device and a locking device;
the identification device comprises a sealing frame fixedly connected inside the shell, the inside of the shell is fixedly connected with a waterproof frame, a single chip microcomputer is installed inside the waterproof frame, and one end of the shell is rotatably connected with a handle;
the lock catch device comprises a lock hole arranged in the shell, an electric control lock tongue is arranged on one side of the lock hole, a lock cylinder is arranged in the shell, and a fixing frame is fixedly connected with the inside of the lock cylinder;
preferably, the one end internally mounted of handle has the guard plate, the CCD camera that a plurality of equidistance distributes is installed to the one end of guard plate, transparent protection casing and infrared lamp are installed in the outside of CCD camera, the one end internally mounted of handle has capacitanc contact pick-up.
Preferably, the sealing washer has been cup jointed to the inside of sealed frame, the inside of sealed frame is provided with waterproof frame, the internally mounted of waterproof frame has lithium cell and alarm.
Preferably, the top and the bottom of the waterproof frame are both fixedly connected with a baffle which is triangular.
Preferably, the side walls of the two ends of the inside of the fixed frame are provided with guide grooves, the inside of each guide groove is connected with a sliding block in a sliding manner, and the sliding blocks are fixedly connected with the side walls of the two ends of the push plate.
Preferably, the side walls of the two ends of the inner part of the fixed frame are fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with the side wall of one end of the clamping head.
Preferably, a clamping block is fixedly connected inside one end of the clamping head, the clamping block is clamped and connected with a locking groove, and the locking groove is formed in the outer side wall of the electric control spring bolt.
Preferably, one end of the push plate is fixedly connected with a wedge-shaped block, and the wedge-shaped block is connected with one end of the two clamping heads in a clamping mode.
Preferably, a through hole is formed in one end of the fixing frame, and the inside of the through hole is in sliding connection with the electric control lock tongue.
Preferably, the capacitance type contact sensor, the alarm, the electric control lock tongue, the infrared lamp, the CCD camera and the air cylinder are electrically connected with the lithium battery and the single chip microcomputer.
The beneficial effect of this application is: the hand-held palm print recognition intelligent door lock is suitable for being opened by a palm in a comfortable posture.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic diagram of the overall structure of the present application;
FIG. 2 is a schematic view of the interior of the housing of the present application;
FIG. 3 is a schematic view of the internal structure of the lock handle of the present application;
fig. 4 is a schematic view of the internal structure of the lock cylinder of the present application.
In the figure: 1. the shell, 2, the handle, 3, the keyhole, 4, the sealed frame, 5, the sealing washer, 6, the baffle, 7, the singlechip, 8, capacitanc touch sensor, 9, the lithium cell, 10, the alarm, 11, waterproof frame, 12, automatically controlled spring bolt, 13, the infrared lamp, 14, transparent protection casing, 15, the guard plate, 16, the CCD camera, 17, the guide way, 18, the slider, 19, the cylinder, 20, the push pedal, 21, the wedge, 22, the dop, 23, the spring, 24, the locking groove, 25, the fixture block, 26, the through-hole, 27, the lock core, 28, fixed frame.
Detailed Description
In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Referring to fig. 1 to 4, the handheld palm print recognition intelligent door lock includes: the shell 1, the identification device and the locking device; the identification device comprises a sealing frame 4 fixedly connected inside the shell 1, a waterproof frame 11 is fixedly connected inside the shell 1, a single chip microcomputer 7 is installed inside the waterproof frame 11, and one end of the shell 1 is rotatably connected with a handle 2; the locking device comprises a keyhole 3 arranged in the shell 1, an electric control bolt 12 is arranged on one side of the keyhole 3, a lock cylinder 27 is arranged in the shell 1, and a fixing frame 28 is fixedly connected in the lock cylinder 27; a protection plate 15 is arranged in one end of the handle 2, a plurality of CCD cameras 16 distributed at equal intervals are arranged at one end of the protection plate 15, a transparent protective cover 14 and an infrared lamp 13 are arranged on the outer side of each CCD camera 16, and a capacitance type contact sensor 8 is arranged in one end of the handle 2, so that the structure is more reasonable and the connection is convenient; the sealing ring 5 is sleeved in the sealing frame 4, the waterproof frame 11 is arranged in the sealing frame 4, and the lithium battery 9 and the alarm 10 are arranged in the waterproof frame 11, so that the structure is more reasonable and the connection is convenient; the top and the bottom of the waterproof frame 11 are fixedly connected with the baffle 6, and the baffle 6 is triangular, so that the structure is more reasonable and convenient to connect; the side walls of two ends inside the fixed frame 28 are both provided with guide grooves 17, the inside of each guide groove 17 is connected with a sliding block 18 in a sliding manner, and the sliding blocks 18 are fixedly connected with the side walls of two ends of the push plate 20, so that the structure is more reasonable and the connection is convenient; the side walls of the two ends of the inner part of the fixing frame 28 are fixedly connected with one end of the spring 23, and the other end of the spring 23 is fixedly connected with the side wall of one end of the clamping head 22, so that the structure is more reasonable and the connection is convenient; a clamping block 25 is fixedly connected inside one end of the clamping head 22, the clamping block 25 is clamped and connected with a locking groove 24, and the locking groove 24 is formed in the outer side wall of the electric control lock tongue 12, so that the structure is more reasonable, and the connection is convenient; one end of the push plate 20 is fixedly connected with a wedge-shaped block 21, and the wedge-shaped block 21 is clamped and connected with one end of the two clamping heads 22, so that the structure is more reasonable and the connection is convenient; one end of the fixing frame 28 is provided with a through hole 26, and the electric control bolt 12 is connected inside the through hole 26 in a sliding manner, so that the structure is more reasonable and the connection is convenient; the capacitance type contact sensor 8, the alarm 10, the electric control bolt 12, the infrared lamp 13, the CCD camera 16 and the air cylinder 19 are electrically connected with the lithium battery 9 and the single chip microcomputer 7, the structure is more reasonable, and the connection is convenient.
When the device is used, firstly, all electrical components in the device are externally connected with a control switch and a power supply, then, palm prints of a master are recorded into a singlechip 7, the handle 2 is held by hands, a low-power-consumption capacitance type contact sensor 8 is arranged on the handle 2, a lockset is in a dormant state at ordinary times, a system is wakened up when the hands contact the handle 2, an infrared lamp 13 and a CCD camera 16 on the back side are opened, the back side of a door handle 2 is irradiated on a palm or finger part by the infrared lamp 13, an image is acquired by the CCD camera 16, image data are transmitted into the singlechip 7 to be subjected to algorithm analysis, so that the registration and recognition functions are realized, when the infrared is not recognized for many times, the singlechip 7 controls an alarm 10 to sound, a warning is provided for people in the door, the singlechip 7 controls an air cylinder 19 to work, the air cylinder 19 pushes a push plate 20 to slide along a guide groove 17 through a slide block 18, two dops 22 extrude the spring 23 of one side respectively, dop 22 drives the locking groove 24 on fixture block 25 follow automatically controlled spring bolt 12 and shifts out, automatically controlled spring bolt 12 work is taken out in through-hole 26, through rotating handle 2, then make things convenient for the locking of lock and open, through sealed frame 4 inside sealing washer 5, improve the waterproof and dustproof of waterproof frame 11 inside, once block getting into 1 inside water of casing, baffle 6 through waterproof frame 11 both sides, thereby carry out the secondary to the water that gets into 1 inside of casing and block, avoid the rainwater to the erosion of inside electrical components and parts.
Through holding the handle, there is low-power consumption capacitanc touch sensor on the handle, the tool to lock is in dormant state at ordinary times, wake up the system during hand contact handle, open infrared lamp and the CCD camera at the back, the door handle back is shone in the palm or indicates the position by the infrared lamp, acquire the image by the CCD camera again, image data spreads into the singlechip and carries out algorithm analysis, thereby realize registration and recognition function, when discernment is passed through not many times, singlechip control alarm sound production, provide the warning to the people in the door, and is convenient for use, and is safer, with palm line recognition technology, the sensor hides in the door handle back, it is big to gather image area, do not confine to the small size skin damage. In addition, through single chip microcomputer control cylinder work, the cylinder promotes the push pedal and slides along the guide way through the slider, thereby the push pedal promotes the wedge and is connected with two dop cooperations and makes two dops separately, two dops extrude the spring of one side respectively, the dop drives the fixture block and shifts out from the locking inslot on the automatically controlled spring bolt, automatically controlled spring bolt work is taken out in the through-hole, through rotating the handle, then make things convenient for the locking and the opening of lock, through the inside sealing washer of sealed frame, improve waterproof frame inside waterproof and dustproof, once block getting into the inside water of casing, baffle through waterproof frame both sides, thereby carry out the secondary to the inside water of entering casing and block, avoid the erosion of rainwater to inside electrical components and parts.
In addition, as an expansion scheme, palm print data of a user can be uploaded to the server, and the intelligent door lock and the server form data interaction so as to share the palm print data among different fingerprint door locks, so that the user does not need to register and register in the intelligent door lock to enter fingerprints.
It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides a hand-held type palm print discernment intelligence lock which characterized in that: comprises a shell (1), an identification device and a locking device;
the identification device comprises a sealing frame (4) fixedly connected inside a shell (1), a waterproof frame (11) is fixedly connected inside the shell (1), a single chip microcomputer (7) is installed inside the waterproof frame (11), and one end of the shell (1) is rotatably connected with a handle (2);
the lock catch device comprises a lock hole (3) installed inside a shell (1), an electric control bolt (12) is installed on one side of the lock hole (3), a lock cylinder (27) is installed inside the shell (1), and a fixing frame (28) is fixedly connected inside the lock cylinder (27).
2. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: one end internally mounted of handle (2) has guard plate (15), CCD camera (16) that a plurality of equidistance distributes are installed to the one end of guard plate (15), transparent protection casing (14) and infrared lamp (13) are installed in the outside of CCD camera (16), the one end internally mounted of handle (2) has capacitanc touch sensor (8).
3. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: sealing washer (5) have been cup jointed to the inside of sealed frame (4), the inside of sealed frame (4) is provided with waterproof frame (11), the internally mounted of waterproof frame (11) has lithium cell (9) and alarm (10).
4. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: the top and the bottom of the waterproof frame (11) are fixedly connected with the baffle (6), and the baffle (6) is triangular.
5. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: guide way (17) have all been opened to the inside both ends lateral wall of fixed frame (28), the inside sliding connection slider (18) of guide way (17), slider (18) fixed connection is at the both ends lateral wall of push pedal (20).
6. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: the side walls of two ends of the inner part of the fixing frame (28) are fixedly connected with one end of the spring (23), and the other end of the spring (23) is fixedly connected with one side wall of the clamping head (22).
7. The hand-held palm print recognition intelligent door lock according to claim 6, characterized in that: a clamping block (25) is fixedly connected inside one end of the clamping head (22), the clamping block (25) is clamped and connected with a locking groove (24), and the locking groove (24) is formed in the outer side wall of the electric control lock tongue (12).
8. The hand-held palm print recognition intelligent door lock according to claim 5, characterized in that: one end of the push plate (20) is fixedly connected with a wedge-shaped block (21), and the wedge-shaped block (21) is connected with one end of the two clamping heads (22) in a clamping mode.
9. The intelligent lock of hand-held palm print recognition of claim 1, characterized in that: one end of the fixing frame (28) is provided with a through hole (26), and the inside of the through hole (26) is connected with the electric control bolt (12) in a sliding manner.
10. The intelligent lock of hand-held palm print recognition of claim 2, characterized in that: the intelligent electric control device is characterized in that the capacitive touch sensor (8), the alarm (10), the electric control bolt (12), the infrared lamp (13), the CCD camera (16) and the air cylinder (19) are electrically connected with the lithium battery (9) and the single chip microcomputer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474896.2A CN111508115A (en) | 2020-05-29 | 2020-05-29 | Hand-held palm print recognition intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474896.2A CN111508115A (en) | 2020-05-29 | 2020-05-29 | Hand-held palm print recognition intelligent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111508115A true CN111508115A (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010474896.2A Pending CN111508115A (en) | 2020-05-29 | 2020-05-29 | Hand-held palm print recognition intelligent door lock |
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| Country | Link |
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| CN (1) | CN111508115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664068A (en) * | 2020-12-28 | 2021-04-16 | 南京美津浓电子科技有限公司 | Anti-theft lock with fingerprint identification function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775695A (en) * | 2015-04-15 | 2015-07-15 | 周午贤 | Pneumatic smart lock |
| CN206515943U (en) * | 2017-03-11 | 2017-09-22 | 刘天发 | A kind of electric lockset |
| CN208257137U (en) * | 2018-03-22 | 2018-12-18 | 陈佳林 | A kind of high-voltage cabinet door |
-
2020
- 2020-05-29 CN CN202010474896.2A patent/CN111508115A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775695A (en) * | 2015-04-15 | 2015-07-15 | 周午贤 | Pneumatic smart lock |
| CN206515943U (en) * | 2017-03-11 | 2017-09-22 | 刘天发 | A kind of electric lockset |
| CN208257137U (en) * | 2018-03-22 | 2018-12-18 | 陈佳林 | A kind of high-voltage cabinet door |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664068A (en) * | 2020-12-28 | 2021-04-16 | 南京美津浓电子科技有限公司 | Anti-theft lock with fingerprint identification function |
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