CN212990187U - Face access control system based on face recognition technology - Google Patents

Face access control system based on face recognition technology Download PDF

Info

Publication number
CN212990187U
CN212990187U CN202022150636.8U CN202022150636U CN212990187U CN 212990187 U CN212990187 U CN 212990187U CN 202022150636 U CN202022150636 U CN 202022150636U CN 212990187 U CN212990187 U CN 212990187U
Authority
CN
China
Prior art keywords
gate
machine
face
gate machine
access control
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.)
Active
Application number
CN202022150636.8U
Other languages
Chinese (zh)
Inventor
严波
王建宁
马瑶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu puzun Technology Development Co.,Ltd.
Original Assignee
Nanjing Puzun Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Puzun Technology Development Co ltd filed Critical Nanjing Puzun Technology Development Co ltd
Priority to CN202022150636.8U priority Critical patent/CN212990187U/en
Application granted granted Critical
Publication of CN212990187U publication Critical patent/CN212990187U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The application relates to the technical field of access control systems, in particular to a human face access control system based on a human face recognition technology, which comprises a first gate machine, a second gate machine and a third gate machine which are sequentially arranged, wherein a driving component for driving the second gate machine to move towards the first gate machine or the third gate machine is arranged between the first gate machine and the third gate machine, and the opposite surfaces of the first gate machine and the second gate machine and the opposite surfaces of the second gate machine and the third gate machine are respectively and rotatably provided with a telescopic baffle; and the first gate, the second gate and the third gate are respectively provided with a human face recognizer. This application has the interval of the nimble adjacent floodgate of adjustment of person of facilitating the use, improves the effect that floodgate machine used the convenience.

Description

Face access control system based on face recognition technology
Technical Field
The application relates to the technical field of access control systems, in particular to a face access control system based on a face recognition technology.
Background
The entrance guard safety management system is a modern safety management system, it integrates microcomputer automatic identification technology and modern safety management measures into one body, it relates to many new technologies of electronics, machinery, optics, computer technology, communication technology and biological technology. The method is an effective measure for realizing safety precaution management at the entrance and exit of important departments. Is suitable for various important departments.
Chinese patent No. CN211285398U discloses a face recognition gate, which comprises an outer shell, a prompt unit, a main body unit and a power unit; the main body unit comprises a card reader, a display, a face snapshot device and an identification host; an outer shell: the bottom of the outer shell is provided with an installation box, the middle of the outer shell is provided with an installation frame, and the front side of the top surface of the outer shell is provided with a guide inclined plane; a main body unit: the main body unit is mounted on the surface of the outer shell; a power unit: the two power units are symmetrically arranged inside the mounting box at the bottom of the outer shell respectively; wherein: the power supply further comprises a controller, the controller is fixed in the installation box at the bottom of the outer shell, and the input end of the controller is electrically connected with the output end of the external power supply.
In view of the above-mentioned related art, the inventor believes that after a plurality of gates are preset on the ground, the channel distance between adjacent gates is fixed, and when the overall size of the passing object required to pass through the adjacent gates is larger than the distance between the adjacent gates, the passing object needs to be manually carried and pass over the gates, which is very inconvenient.
SUMMERY OF THE UTILITY MODEL
For the convenience of a user, the adjacent gate machines pass through objects with different sizes, the application provides a face access control system based on a face recognition technology.
The application provides a face access control system based on face identification technique adopts following technical scheme:
a face access control system based on a face recognition technology comprises a first gate machine, a second gate machine and a third gate machine which are sequentially arranged, wherein a driving assembly for driving the second gate machine to move towards the first gate machine or the third gate machine is arranged between the first gate machine and the third gate machine, and a telescopic baffle is respectively and rotatably arranged on the opposite surface of the first gate machine and the second gate machine and the opposite surface of the second gate machine and the third gate machine;
and the first gate, the second gate and the third gate are respectively provided with a human face recognizer.
By adopting the technical scheme, when the width of passing objects passing through the first gate machine, the second gate machine and the third gate machine is larger than the adjacent distance between the first gate machine, the second gate machine and the third gate machine, an operator starts the driving assembly to drive the second gate machine to move towards the first gate machine or the third gate machine, so that the distance between the first gate machine, the second gate machine, the third gate machine is adjusted, and meanwhile, the telescopic baffle is synchronously adjusted to adapt to the distance between the first gate machine, the second gate machine and the third gate machine, so that the flexible adjustment of the distance between the first gate machine, the second gate machine and the third gate machine to adapt to the passing objects is facilitated, the adjustment and use convenience of the second gate machine are improved, and the use of the operator is facilitated.
Optionally, the driving assembly comprises a ground rail arranged in the ground, a first screw rod is rotatably arranged in the ground rail, a first motor for driving the first screw rod to rotate is fixed at one end of the ground rail, and a sliding block which is connected with the ground rail in a sliding manner and is in threaded connection with the first screw rod is fixed at the bottom of the second gate machine.
Through adopting above-mentioned technical scheme, operating personnel drives screw rod one through driving motor and rotates to make two floodgate machines rely on bottom slider to stably slide along the ground rail, thereby realize adjusting the position that sets up of floodgate machine two, make things convenient for operating personnel's quick adjustment, the ground rail is favorable to the stable removal of floodgate machine two.
Optionally, telescopic baffle includes the mainboard, floodgate machine one with the opposite face of floodgate machine two the floodgate machine two with the opposite face of floodgate machine three is fixed with the drive respectively mainboard pivoted motor two, and it is double-phase relative under the mainboard relative block state, it is double-phase relative telescopic slot has all been seted up to the relative terminal surface of mainboard, the tank bottom wall in telescopic slot is fixed with motor three, motor three's output orientation telescopic slot's opening and with axle center fixedly connected with lead screw two, telescopic slot internal slipping is connected with the extension plate, just extension plate threaded connection two lead screws.
Through adopting above-mentioned technical scheme, driving motor two drives the mainboard and rotates and to realize that it blocks or passes between floodgate machine one and floodgate machine two, floodgate machine two and the floodgate machine three, drives the rotation of lead screw two through driving motor three to realize that the extension plate slides along flexible groove, make things convenient for operating personnel quick adjustment extension plate in order to adapt to the distance between floodgate machine one and floodgate machine two, floodgate machine two and the floodgate machine three.
Optionally, the opposite surfaces of the first gate machine and the second gate machine and the opposite surfaces of the second gate machine and the third gate machine are respectively provided with a containing groove, one end of the mainboard is rotatably connected in the containing groove, and when the mainboard rotates towards the containing groove, the mainboard can completely rotate to the containing groove.
Through adopting above-mentioned technical scheme, the storage tank makes things convenient for the mainboard to rotate income storage tank under the current state, strikes the side of mainboard and causes the damage of mainboard when avoiding passing through the thing, improves the protection to the mainboard.
Optionally, pressure sensors are respectively attached to the two opposite rotating sides of the main board, controllers connected with the pressure sensors are respectively arranged on the first gate, the second gate and the third gate, and an alarm connected with the controllers is fixed on the second gate.
Through adopting above-mentioned technical scheme, when rushing through the mainboard by force through personnel or through the thing, pressure sensor response abnormal pressure signal this moment, and then carry pressure signal to the controller, the controller and then open the siren and report to the police, and the convenient supervisory personnel of notifying fast and to dashing the card action to react.
Optionally, the confession has all been seted up to the top surface of floodgate machine one, floodgate machine two and floodgate machine three face identification ware rotates the groove of accomodating, just one side of accomodating the groove is provided with the drive face identification ware pivoted motor four.
Through adopting above-mentioned technical scheme, when face identification ware did not use for a long time, operating personnel driving motor four drove face identification ware and rotate to accomodating the inslot, accomodate the groove and conveniently accomodate face identification ware, reduce external illumination, wearing and tearing when not suitable for to face identification ware's damage, improve the protection to face identification ware.
Optionally, a standby battery is fixed to the bottom wall of the accommodating groove, and the standby battery is connected with the second motor through a wire.
Through adopting above-mentioned technical scheme, under the external outage circumstances, stand-by battery provides necessary drive power supply for motor two, makes things convenient for operating personnel to continue to drive the mainboard and rotates.
Optionally, the number of the face recognizers is four, one face recognizer is arranged on the first gate and the third gate, and the direction of the face recognizer is opposite to that of the first gate, and two face recognizers are arranged on the second gate and face to each other.
By adopting the technical scheme, the four face recognizers respectively play roles in entering and exiting face monitoring and division of labor for two channels formed among the gate I, the gate II and the gate III, and the situation that people need to adjust the shooting direction of the face recognizers in a reciprocating mode when entering and exiting is avoided.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the driving assembly is started to drive the second gate machine to move, so that the distance between the first gate machine and the second gate machine, the distance between the second gate machine and the third gate machine are adjusted, and the telescopic baffle is synchronously adjusted to adapt to the distance between the first gate machine and the second gate machine, the distance between the second gate machine and the third gate machine, so that the flexible adjustment of the distance between the first gate machine and the second gate machine, the distance between the second gate machine and the third gate machine to adapt to an object to be passed is facilitated, the adjustment and use convenience of the second gate machine are improved, and the use of operators is facilitated;
2. the driving motor III drives the screw rod II to rotate, so that the extension plate slides along the telescopic groove, and an operator can conveniently and quickly adjust the extension plate to adapt to the distance between the gate I and the gate II and the distance between the gate II and the gate III;
3. the storage tank makes things convenient for the mainboard to rotate income storage tank under the current state, strikes the side of mainboard and causes the damage of mainboard when avoiding passing through the thing, improves the protection to the mainboard.
Drawings
Fig. 1 is a schematic structural diagram of an entire system for embodying a first gate, a second gate, a third gate, a face recognizer, a controller, an alarm, a pressure sensor, a telescopic baffle and a ground rail in the embodiment of the present application.
Fig. 2 is a cross-sectional view of a first motor, a first receiving groove, a backup battery and a fourth motor for embodying the first ground rail and the first lead screw in the embodiment of the present application.
Fig. 3 is an enlarged view of a position a in fig. 1, and is used for embodying the structure of the telescopic slot, the second screw rod, the second motor and the third motor.
The reference number indicates that 1, a gate I; 11. a containing groove; 12. a receiving groove; 13. a backup battery; 2. a second gate; 21. a slider; 3. a gate III; 4. a drive assembly; 41. a ground rail; 42. a first screw rod; 43. a first motor; 5. a telescopic baffle; 51. a main board; 511. a telescopic groove; 52. a second motor; 53. a third motor; 54. a second screw rod; 55. an extension plate; 6. a pressure sensor; 61. a controller; 62. an alarm; 7. a face recognizer; 71. a fourth motor; 8. a ground surface; 81. and (5) sinking the tank.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a face access control system based on a face recognition technology. Referring to fig. 1 and 2, the face access control system based on the face recognition technology sequentially comprises a first gate machine 1 fixed on the ground 8, a second gate machine 2 arranged on the ground 8 in a sliding manner, and a third gate machine 3 fixed on the ground 8 from left to right, wherein a sunken groove 81 is horizontally formed in advance on the ground 8 between the first gate machine 1 and the third gate machine 3, a driving assembly 4 is arranged in the sunken groove 81, the driving assembly 4 comprises a ground rail 41 fixed in the sunken groove 81, a first lead screw 42 is rotatably arranged in the ground rail 41, a first motor 43 for driving the first lead screw 42 to rotate is fixed at one end of the ground rail 41 close to the third gate machine 3, a sliding block 21 connected with the ground rail 41 in a sliding manner is fixed at the bottom of the second gate machine 2, the sliding block 21 is in threaded connection with the first lead screw 42, opposite faces of the first gate machine 1 and the second gate machine 2 and opposite faces of the second gate machine 3 are respectively and rotatably provided with a telescopic baffle 5, and face recognizers 7 are respectively arranged on the first gate, the total number of the face recognizers 7 is four, wherein one gate machine 1 is provided with a first gate machine 1 and a second gate machine 2 which enter, two gate machines 2 are arranged oppositely and used for the passage between the gate machine 1 and the second gate machine 2 to go out and the passage between the gate machine 2 and the third gate machine 3 to enter, one gate machine 3 is provided for the passage between the gate machine 2 and the third gate machine 3 to go out, the use principle of the face recognizers 7 is the prior art, and the description is omitted; when the passing object width passing through the first gate machine 1, the second gate machine 2 and the third gate machine 3 is larger than the adjacent distance between the first gate machine 1, the second gate machine 2 and the third gate machine 3, an operator drives the first motor 43 to drive the first screw rod 42 to rotate, so that the second gate machine 2 stably slides along the ground rail 41 by virtue of the bottom slide block 21, the arrangement position of the second gate machine 2 is adjusted, the ground rail 41 is favorable for stable movement of the second gate machine 2, the telescopic baffle 5 is synchronously adjusted to adapt to the distance between the first gate machine 1 and the second gate machine 2 and the distance between the second gate machine 2 and the third gate machine 3, the flexible adjustment of the distances between the first gate machine 1 and the second gate machine 2 and the third gate machine 3 to adapt to the passing object, the adjustment and use convenience of the second gate machine 2 are improved, the use of the operator is facilitated, and the four face identifiers 7 respectively play a role in monitoring division of entering and exiting two channels formed among the first gate machine 1, the second gate machine 2 and the third gate machine 3, the shooting direction of the face recognizer 7 needs to be adjusted back and forth when people enter and exit the face recognizer.
Referring to fig. 2 and 3, the opposite surfaces of the first gate 1 and the second gate 2 and the opposite surfaces of the second gate 2 and the third gate 3 are respectively provided with a containing groove 11, the retractable baffle 5 comprises a main board 51 with one end rotatably connected in the containing groove 11, a second motor 52 for driving the main board 51 to rotate is fixed on the inner top wall of the containing groove 11, the opposite end surfaces of the two opposite main boards 51 are both provided with a retractable groove 511 in a relatively blocked state, a third motor 53 is fixed on the bottom wall of the retractable groove 511, the output end of the third motor 53 faces the opening of the retractable groove 511 and is fixedly connected with a second screw 54 coaxially, the retractable groove 511 is connected with an extension plate 55 in a sliding manner, and the extension plate 55 is connected with the second screw 54 in a threaded manner; two 52 drive mainboards 51 and rotate and to realize floodgate machine 1 and floodgate machine two 2, block or pass between two 2 and the floodgate machine three 3 of floodgate machine, when mainboard 51 rotates towards storage tank 11, mainboard 51 can change over to storage tank 11 completely, the side of striking mainboard 51 and the damage that causes mainboard 51 when avoiding passing through the thing, the improvement is to mainboard 51's protection, it rotates to drive two 54 of lead screw through three 53 of driving motor, thereby realize extension plate 55 and slide along the slot 511 that stretches out and draws back, make things convenient for operating personnel to adjust extension plate 55 fast in order to adapt to floodgate machine 1 and floodgate machine two 2, the distance between floodgate machine two 2 and the floodgate machine three 3.
Referring to fig. 1, pressure sensors 6 are respectively attached to two back rotating side surfaces of a main board 51, controllers 61 connected with the pressure sensors 6 are respectively fixed on side walls of the front surfaces of a first gate 1, a second gate 2 and a third gate 3, an alarm 62 connected with the controllers 61 is fixed on the top of the second gate 2, the pressure sensors 6 and the controllers 61 in the embodiment of the application can adopt pressure sensors 6 with the model of LC302, and the alarm 62 can adopt acousto-optic alarms 62 with the model of BC-8; when rushing through mainboard 51 by force through personnel or thing, pressure sensor 6 response abnormal pressure signal this moment, and then carry pressure signal to controller 61, and controller 61 then opens siren 62 and reports to the police, conveniently notifies the supervisor fast and reacts to dashing the card action.
Referring to fig. 1 and 3, the top surfaces of the first gate 1, the second gate 2 and the third gate 3 are all provided with a storage groove 12 for the respective face recognizer 7 to rotate and store, a motor four 71 for driving the face recognizer 7 to rotate is fixed on one side in the storage groove 12, a standby battery 13 is fixed on the bottom wall of the storage groove 12, and the standby battery 13 is connected with the motor two 52 through an electric wire; when face identification ware 7 does not use for a long time, operating personnel driving motor four 71 drives face identification ware 7 and rotates to accomodating in the groove 12, accomodates the groove 12 and conveniently accomodates face identification ware 7, reduces external illumination when not suitable for, wearing and tearing are to the damage of face identification ware 7, improve the protection to face identification ware 7, and under the external outage circumstances, backup battery 13 provides necessary drive power supply for two 52 motors, makes things convenient for operating personnel to continue to drive mainboard 51 and rotates.
The implementation principle of the face access control system based on the face recognition technology in the embodiment of the application is as follows: the human face recognizer 7 carries out the personnel that face recognition passes through, the second motor 52 drives the mainboard 51 to rotate and open and pass through personnel and passing through the thing, when passing through the thing width too big, operating personnel drives the third motor 53 in advance and drives the second lead screw 54 to rotate, thereby adjust the extension plate 55 income telescopic slot 511 of a passageway, and then driving motor 43 drives the first lead screw 42 to rotate, thereby realize that the second floodgate machine 2 slides along the ground rail 41 and adjusts and enlarge one of them passageway, then the third motor 53 that drives and enlarge in the two mainboards 51 of passageway drives the extension plate 55 and stretches out telescopic slot 511 in order to adapt to the passageway width.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a face access control system based on face identification technique which characterized in that: the device comprises a first gate machine (1), a second gate machine (2) and a third gate machine (3) which are sequentially arranged, wherein a driving component (4) for driving the second gate machine (2) to move towards the first gate machine (1) or the third gate machine (3) is arranged between the first gate machine (1) and the third gate machine (3), and telescopic baffles (5) are respectively and rotatably arranged on opposite surfaces of the first gate machine (1) and the second gate machine (2) and opposite surfaces of the second gate machine (2) and the third gate machine (3);
and the gate I (1), the gate II (2) and the gate III (3) are respectively provided with a face recognizer (7).
2. The face access control system based on the face recognition technology of claim 1, characterized in that: the driving assembly (4) comprises a ground rail (41) arranged in the ground (8), a first screw rod (42) is arranged in the ground rail (41) in a rotating mode, one end of the ground rail (41) is fixedly provided with a first motor (43) for driving the first screw rod (42) to rotate, and a sliding block (21) which is connected with the ground rail (41) in a sliding mode and is in threaded connection with the first screw rod (42) is fixed at the bottom of the second gate machine (2).
3. The face access control system based on the face recognition technology of claim 2, characterized in that: telescopic baffle (5) include mainboard (51), floodgate machine (1) with the opposite face of floodgate machine two (2), floodgate machine two (2) with the opposite face of floodgate machine three (3) is fixed with the drive respectively mainboard (51) pivoted motor two (52), and two relatively under mainboard (51) the relative state that blocks, two relatively flexible groove (511) have all been seted up to the relative terminal surface of mainboard (51), the tank bottom wall of flexible groove (511) is fixed with motor three (53), the output orientation of motor three (53) the opening and with axle center fixedly connected with lead screw two (54) of flexible groove (511), flexible groove (511) internal slipping is connected with extension plate (55), just extension plate (55) threaded connection lead screw two (54).
4. The face access control system based on the face recognition technology of claim 3, characterized in that: storage tank (11) have been seted up respectively to floodgate machine (1) with the opposite face of floodgate machine two (2), floodgate machine two (2) with the opposite face of floodgate machine three (3), the one end of mainboard (51) is rotated and is connected in storage tank (11), and works as when mainboard (51) rotate towards storage tank (11), mainboard (51) can change over to completely storage tank (11).
5. The face access control system based on the face recognition technology of claim 4, characterized in that: pressure sensors (6) are respectively attached to two back rotating side surfaces of the main board (51), controllers (61) connected with the pressure sensors (6) are respectively arranged on the first gate (1), the second gate (2) and the third gate (3), and alarms (62) connected with the controllers (61) are fixed on the second gate (2).
6. The face access control system based on the face recognition technology according to any one of claims 3 to 5, characterized in that: confession has all been seted up to the top surface of floodgate machine (1), floodgate machine two (2) and floodgate machine three (3) face identification ware (7) rotate the storage groove (12) of accomodating, just one side of accomodating groove (12) is provided with the drive face identification ware (7) pivoted motor four (71).
7. The face access control system based on the face recognition technology of claim 6, characterized in that: and a standby battery (13) is fixed on the bottom wall of the accommodating groove (12), and the standby battery (13) is connected with the second motor (52) through a wire.
8. The face access control system based on the face recognition technology of claim 6, characterized in that: face identification ware (7) set up to four, all be provided with one and the opposite orientation on floodgate machine one (1) and floodgate machine three (3), be provided with two and the orientation is relative on floodgate machine two (2).
CN202022150636.8U 2020-09-25 2020-09-25 Face access control system based on face recognition technology Active CN212990187U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022150636.8U CN212990187U (en) 2020-09-25 2020-09-25 Face access control system based on face recognition technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022150636.8U CN212990187U (en) 2020-09-25 2020-09-25 Face access control system based on face recognition technology

Publications (1)

Publication Number Publication Date
CN212990187U true CN212990187U (en) 2021-04-16

Family

ID=75418655

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022150636.8U Active CN212990187U (en) 2020-09-25 2020-09-25 Face access control system based on face recognition technology

Country Status (1)

Country Link
CN (1) CN212990187U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113430972A (en) * 2021-07-01 2021-09-24 徐烽 Wisdom community face identification floodgate machine
CN114717990A (en) * 2022-04-22 2022-07-08 永旭(上海)通讯科技有限公司 Movable gate machine
CN114758435A (en) * 2022-04-20 2022-07-15 上海星桐网络科技有限公司 Intelligent management device of industrial park

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113430972A (en) * 2021-07-01 2021-09-24 徐烽 Wisdom community face identification floodgate machine
CN114758435A (en) * 2022-04-20 2022-07-15 上海星桐网络科技有限公司 Intelligent management device of industrial park
CN114717990A (en) * 2022-04-22 2022-07-08 永旭(上海)通讯科技有限公司 Movable gate machine

Similar Documents

Publication Publication Date Title
CN212990187U (en) Face access control system based on face recognition technology
CN209015245U (en) A kind of coal mine three-roller gate entrance guard device
CN117404636B (en) Intelligent street lamp for parking lot based on image processing
CN108320250A (en) A kind of anti-cheating device
CN209560615U (en) A kind of entrance guard device based on recognition of face
CN213211137U (en) Intelligent face recognition floodgate machine with voice guidance function prevents turning over
CN206658245U (en) The camera that a kind of chance failure is restarted automatically
CN108483171A (en) A kind of elevator intelligent early warning system
CN209085670U (en) A kind of power control cabinet on-Line Monitor Device
CN110001597A (en) Security protection system, method and the electrical changing station including the security protection system
CN114049714A (en) Intelligent face recognition access control device
CN216345251U (en) Face recognition system suitable for market people stream detection
CN221794631U (en) Train approaching early warning device for railway operation line
CN213149851U (en) Access control system for money adding room
CN216719137U (en) Intelligent control device with face recognition function
CN214123005U (en) All-in-one machine with face recognition control gate
CN216923789U (en) Multifunctional access control device
CN111600778A (en) Dynamic monitoring system and monitoring method for normal operation of IT equipment
CN221841461U (en) Intelligent face recognition gate with voice guiding function for intelligent property
CN215294238U (en) Roadside vehicle detects slide rail discernment all-in-one
CN108466895A (en) A kind of elevator long distance early warning system
CN218409282U (en) Monitoring device
CN218883490U (en) Building entrance guard supervisory equipment for security protection
CN214535579U (en) Entrance guard's identification equipment with guide mechanism
CN216352726U (en) Violation alarm device based on AI intelligent recognition technology

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Room 804-805, block C, modern service building, No.104, Shimenkan, Qinhuai District, Nanjing City, Jiangsu Province, 210000

Patentee after: Jiangsu puzun Technology Development Co.,Ltd.

Address before: 210018 building 55, 39 Tianshan Road, Xuanwu District, Nanjing City, Jiangsu Province

Patentee before: NANJING PUZUN TECHNOLOGY DEVELOPMENT Co.,Ltd.