CN113027303A - Factory security door based on facial recognition - Google Patents
Factory security door based on facial recognition Download PDFInfo
- Publication number
- CN113027303A CN113027303A CN202110156586.0A CN202110156586A CN113027303A CN 113027303 A CN113027303 A CN 113027303A CN 202110156586 A CN202110156586 A CN 202110156586A CN 113027303 A CN113027303 A CN 113027303A
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- Prior art keywords
- door
- bevel gear
- friction
- motor controller
- factory security
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- 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.)
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- 230000001815 facial effect Effects 0.000 title claims description 19
- 238000013016 damping Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/11—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
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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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a factory security door based on face recognition, which belongs to the field of security doors and comprises a right door and a left door, wherein the right door and the left door are respectively rotatably connected with a door frame through a rotating rod, the outer sides of the right door and the left door are respectively provided with a handle, the inner sides of the right door and the left door are respectively provided with a damping device, the outer side of the right door is provided with a face recognizer, the right side of the face recognizer is provided with a scrambler on the right door, the inner side of the right door is provided with a motor controller, the lower side of the motor controller is provided with a sensor on the right door, the left side of the motor controller is provided with a protective cover on the right door, a locking device extending to the outside of the protective cover is arranged in the protective cover, and the inner side of the. The invention has convenient switch and high safety.
Description
Technical Field
The invention relates to the field of security doors, in particular to a factory security door based on facial recognition.
Background
The anti-theft door is called as anti-theft safety door. It has both anti-theft and safety performance. According to the regulations of general technical conditions for anti-theft safety doors, qualified anti-theft doors cannot be pried or opened with an opening of 615 square centimeters on a door leaf or opened with an opening of 38 square millimeters in a semicircle with a 150 square millimeters locking point by using common hand tools such as chisels, screwdrivers, crowbars and the like and portable electric tools such as electric hand drills and the like within 15 minutes. And the lockset used on the anti-theft door must be a special lock with an anti-drilling function, which is qualified through the detection of a detection center of a public security department.
Because the emergency exit that the mill used is great, the control of switch is comparatively inconvenient, consequently, to above present situation, urgent need develop a convenient factory security protection door based on facial discernment of switch to overcome not enough in the current practical application, satisfy current demand.
Disclosure of Invention
The invention aims to provide a factory security door based on facial recognition, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a mill security protection door based on facial discernment, includes right side door and left door, right side door and left door rotate through a dwang AND gate frame respectively and are connected, a handle is all installed in the outside of right side door and left door, all install damping device in right side door and the left door, facial recognizer is installed in the outside of right side door, the right side of facial recognizer installs the password ware on the door of the right side, motor controller is installed to the inboard of right side door, motor controller's downside installs the sensor on the door of the right side, motor controller's left side installs the protection casing on the door of the right side, install in the protection casing and extend to its outside locking device, two and locking device matched with chucking devices are installed to the inboard of left side door.
As a further scheme of the invention: the right door and the left door are both formed by welding a plurality of steel plates.
As a further scheme of the invention: the shock-absorbing device includes: buffer plate, friction cover, friction ball and first spring, a plurality of friction covers are installed on the right side of buffer plate, every all install a plurality of friction balls in the friction cover, adjacent two through first spring elastic connection between the friction ball.
As a further scheme of the invention: the locking device includes: servo motor, transmission shaft, first bevel gear, second bevel gear, threaded rod, slider, connecting rod and latch segment, servo motor passes through the screw and links to each other with the right side door, servo motor's output shaft passes through the shaft coupling and links to each other with the transmission shaft, the transmission shaft passes through bearing and bearing frame and is connected with right side door rotation, install two first bevel gears on the transmission shaft, every one normal running fit's second bevel gear is all installed to first bevel gear's downside, every second bevel gear all installs on a threaded rod, the threaded rod passes through bearing and bearing frame and is connected with right side door rotation, install the slider on the threaded rod, the slider links to each other with the latch segment through a plurality of connecting rods.
As a further scheme of the invention: a plurality of the connecting rods are uniformly distributed on the sliding block in a circular shape.
As a further scheme of the invention: the chucking device includes: the clamping shell is fixed with the left door through a screw, and a plurality of guide rollers are arranged on the left door on the inner side of the clamping shell.
As a further scheme of the invention: the face recognizer, the scrambler, the sensor and the servo motor are respectively and electrically connected with the motor controller.
Compared with the prior art, the invention has the beneficial effects that: the factory security door based on the facial recognition can control the motor controller through the facial recognizer or the password device when people are outdoors, the servo motor is controlled by the motor controller, the transmission shaft is driven to rotate by the servo motor, the first bevel gear is driven to rotate by the rotation of the transmission shaft, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the sliding block to move, the sliding block moves to drive the connecting rod to move, the connecting rod moves to drive the locking block to move, when the servo motor rotates forwards, the locking block moves into the clamping shell and is in a locking state at the moment, when the servo motor rotates backwards, the locking block moves out of the clamping shell and is in an opening state at the moment, and when a person is in a room, the motor controller can be controlled by pressing the sensor, so that the switch is more convenient; when right side door or left door received external force striking, absorb external force through the buffer board, turn into the frictional force through friction ball and friction cover looks friction with the shaking force and consume, be favorable to improving the protectiveness. In conclusion, the switch is convenient and high in safety.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a back view of the present invention.
Fig. 3 is a partial view at a in a back view of the present invention.
FIG. 4 is a view from the direction B-B in the front view of the present invention.
Fig. 5 is a partial view at C of fig. 4 of the present invention.
FIG. 6 is a logic control diagram of the present invention.
In the figure: 1-right door, 2-left door, 3-handle, 4-face recognizer, 5-cipher device, 6-door frame, 7-rotating rod, 8-shock absorber, 801-buffer plate, 802-friction sleeve, 803-friction ball, 804-first spring, 9-motor controller, 10-sensor, 11-protective cover, 12-locking device, 121-servo motor, 122-transmission shaft, 123-first bevel gear, 124-second bevel gear, 125-threaded rod, 126-sliding block, 127-connecting rod, 128-locking block, 13-clamping device, 131-clamping shell and 132-guide roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
In the description of the embodiments of the present invention, it should be noted that the terms "first", "second" and "third" are used for the sake of clarity in describing the numbering of the components of the product and do not represent any substantial difference, unless explicitly stated or limited otherwise. The directions of "up", "down", "left" and "right" are all based on the directions shown in the attached drawings. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
It is to be understood that, unless otherwise expressly specified or limited, the term "coupled" is used broadly, and may, for example, refer to directly coupled devices or indirectly coupled devices through intervening media. Specific meanings of the above terms in the embodiments of the invention will be understood to those of ordinary skill in the art in specific cases.
Example 1
Referring to fig. 1 to 6, in an embodiment of the present invention, a factory security door based on facial recognition includes a right door 1 and a left door 2, where the right door 1 and the left door 2 are rotatably connected to a door frame 6 through a rotating rod 7, the door frame 6 is fixed in a wall body through screws, the right door 1 and the left door 2 are formed by welding a plurality of steel plates, a handle 3 is installed on outer sides of the right door 1 and the left door 2, a damping device 8 is installed in each of the right door 1 and the left door 2, and the damping device 8 includes: buffer board 801, friction cover 802, friction ball 803 and first spring 804, a plurality of friction covers 802, every are installed on buffer board 801's right side all install a plurality of friction balls 803 in the friction cover 802, adjacent two through first spring 804 elastic connection between the friction ball 803, facial recognizer 4 is installed in the outside of right side door 1, the right side of facial recognizer 4 installs scrambler 5 on right side door 1, motor controller 9 is installed to right side door 1's inboard, motor controller 9's downside installs sensor 10 on right side door 1, motor controller 9's left side installs protection casing 11 on right side door 1, install locking device 12 that extends to its outside in the protection casing 11, two chucking devices 13 with locking device 12 matched with are installed to the inboard of left side door 2, locking device 12 includes: the door lock comprises a servo motor 121, a transmission shaft 122, first bevel gears 123, second bevel gears 124, a threaded rod 125, a sliding block 126, connecting rods 127 and a locking block 128, wherein the servo motor 121 is connected with the right door 1 through screws, an output shaft of the servo motor 121 is connected with the transmission shaft 122 through a coupling, the transmission shaft 122 is rotatably connected with the right door 1 through bearings and bearing seats, two first bevel gears 123 are installed on the transmission shaft 122, a second bevel gear 124 which is rotatably matched with the first bevel gears 123 is installed on the lower side of each first bevel gear 123, each second bevel gear 124 is installed on a threaded rod 125, the threaded rod 125 is rotatably connected with the right door 1 through bearings and bearing seats, a sliding block 126 is installed on the threaded rod 125, the sliding block 126 is connected with the threaded rod 125 through balls (not shown), and the sliding block 126 is connected with the locking block 128 through a plurality of connecting, a plurality of the connecting rods 127 are uniformly distributed on the sliding block 126 in a circular shape, and the clamping device 13 comprises: the door comprises a clamping shell 131 and guide rollers 132, wherein the clamping shell 131 is fixed with the left door 2 through screws, and a plurality of guide rollers 132 are arranged on the left door 2 on the inner side of the clamping shell 131. When a person is outdoors, the motor controller 9 can be controlled by the face recognizer 4 or the password device 5, the servo motor 121 is controlled by the motor controller 9, the transmission shaft 122 is driven to rotate by the servo motor 121, the first bevel gear 123 is driven to rotate by the transmission shaft 122, the second bevel gear 124 is driven to rotate by the first bevel gear 123, the threaded rod 125 is driven to rotate by the second bevel gear 124, the slider 126 is driven to move by the rotation of the threaded rod 125, the connecting rod 127 is driven to move by the movement of the slider 126, the locking block 128 is driven to move by the movement of the connecting rod 127, when the servo motor 121 rotates forwards, the locking block 128 moves into the clamping shell 131, at the moment, the locking state is achieved, when the servo motor 121 rotates backwards, the locking block 128 moves out of the clamping shell 131, at the moment, the locking state is achieved, when the person is indoors, the motor controller 9 can be controlled by the pressing, the switch is more convenient; when the right door 1 or the left door 2 is impacted by external force, the external force is absorbed through the buffer plate 801, and the vibration force is converted into friction force to be consumed through the friction between the friction ball 803 and the friction sleeve 802, so that the improvement of the protection performance is facilitated.
Example 2
Referring to fig. 1 to 6, in the embodiment of the present invention, the face recognizer 4, the scrambler 5, the sensor 10 and the servo motor 121 are respectively electrically connected to the motor controller 9.
When a person is outdoors, the motor controller 9 can be controlled by the face recognizer 4 or the scrambler 5, the servo motor 121 is controlled by the motor controller 9, the transmission shaft 122 is driven to rotate by the servo motor 121, the first bevel gear 123 is driven to rotate by the rotation of the transmission shaft 122, the second bevel gear 124 is driven to rotate by the rotation of the first bevel gear 123, the threaded rod 125 is driven to rotate by the rotation of the second bevel gear 124, the sliding block 126 is driven to move by the rotation of the threaded rod 125, the connecting rod 127 is driven to move by the movement of the sliding block 126, the locking block 128 is driven to move by the movement of the connecting rod 127, when the servo motor 121 rotates forwards, the locking block 128 moves into the clamping shell 131, and is in a locking state at the moment, when the servo motor 121 rotates backwards, the locking block 128 moves out of the clamping shell 131, and is in an opening state at the moment, when the person, the motor controller 9 can be controlled by pressing the sensor 10, so that the switch is more convenient; when the right door 1 or the left door 2 is impacted by external force, the external force is absorbed through the buffer plate 801, and the vibration force is converted into friction force to be consumed through the friction between the friction ball 803 and the friction sleeve 802, so that the improvement of the protection performance is facilitated.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention 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 invention 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.
Claims (7)
1. The utility model provides a factory security door based on facial discernment, includes right side door (1) and left door (2), its characterized in that, right side door (1) and left door (2) are rotated with door frame (6) through a dwang (7) respectively and are connected, a handle (3) is all installed in the outside of right side door (1) and left door (2), all install damping device (8) in right side door (1) and left door (2), facial recognizer (4) is installed in the outside of right side door (1), scrambler (5) is installed on right side on right door (1) on the right side of facial recognizer (4), motor controller (9) is installed to the inboard of right side door (1), sensor (10) is installed on right side door (1) to the downside of motor controller (9), protection casing (11) is installed on right side door (1) on the left side of motor controller (9), install in protection casing (11) and extend to its outside locking device (12), two chucking devices (13) with locking device (12) matched with are installed to the inboard of left side door (2).
2. The factory security door based on the facial recognition is characterized in that the right door (1) and the left door (2) are formed by welding a plurality of steel plates.
3. The factory security door based on facial recognition according to claim 1, wherein the shock absorbing device (8) comprises: buffer plate (801), friction cover (802), friction ball (803) and first spring (804), a plurality of friction covers (802) are installed to the right side of buffer plate (801), every all install a plurality of friction balls (803) in friction cover (802), adjacent two through first spring (804) elastic connection between friction ball (803).
4. The face recognition based factory security door according to claim 1, wherein the locking device (12) comprises: the door lock comprises a servo motor (121), a transmission shaft (122), a first bevel gear (123), a second bevel gear (124), a threaded rod (125), a sliding block (126), a connecting rod (127) and a locking block (128), wherein the servo motor (121) is connected with a right door (1) through a screw, an output shaft of the servo motor (121) is connected with the transmission shaft (122) through a coupler, the transmission shaft (122) is rotatably connected with the right door (1) through a bearing and a bearing seat, the transmission shaft (122) is provided with two first bevel gears (123), the lower side of each first bevel gear (123) is provided with a second bevel gear (124) which is rotatably matched with the first bevel gear, each second bevel gear (124) is arranged on one threaded rod (125), the threaded rod (125) is rotatably connected with the right door (1) through a bearing and a bearing seat, and the threaded rod (125) is provided with the sliding block (, the slide block (126) is connected with a locking block (128) through a plurality of connecting rods (127).
5. The factory security door based on the face recognition is characterized in that a plurality of connecting rods (127) are uniformly distributed on a sliding block (126) in a circular shape.
6. The factory security door based on facial recognition according to claim 1, wherein the chucking device (13) comprises: card shell (131) and guide roller (132), card shell (131) are fixed mutually with left door (2) through the screw, a plurality of guide roller (132) are installed on inboard left door (2) of card shell (131).
7. The factory security door based on the face recognition is characterized in that the face recognizer (4), the scrambler (5), the sensor (10) and the servo motor (121) are respectively electrically connected with the motor controller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110156586.0A CN113027303A (en) | 2021-02-04 | 2021-02-04 | Factory security door based on facial recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110156586.0A CN113027303A (en) | 2021-02-04 | 2021-02-04 | Factory security door based on facial recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113027303A true CN113027303A (en) | 2021-06-25 |
Family
ID=76459936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110156586.0A Pending CN113027303A (en) | 2021-02-04 | 2021-02-04 | Factory security door based on facial recognition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113027303A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20119251U1 (en) * | 2001-11-27 | 2003-04-10 | Exacta-Fenster-Bau GmbH, 40599 Düsseldorf | French window, has rail with T shaped cross section covering gap between sashes |
| CN204402285U (en) * | 2015-01-13 | 2015-06-17 | 江西宏达保安器材有限公司 | A kind of intelligent communication base station anti-theft safety door |
| CN207144663U (en) * | 2017-05-23 | 2018-03-27 | 深圳市楚唯呈科技有限公司 | Contact-free formula keeper |
| CN208619006U (en) * | 2018-07-05 | 2019-03-19 | 三河市三皇工贸有限公司 | A kind of fire prevention intelligent security guard door |
| CN209556831U (en) * | 2018-10-19 | 2019-10-29 | 浙江众幸防护设备有限公司 | Antidetonation closed guard gate |
| CN209670738U (en) * | 2018-12-27 | 2019-11-22 | 江西辉达门窗有限公司 | A kind of bathroom room sliding door |
| CN211375687U (en) * | 2020-04-13 | 2020-08-28 | 武际斌 | Security entrance guard based on thing networking |
| CN212002900U (en) * | 2020-02-02 | 2020-11-24 | 宿迁益创智能科技有限公司 | Emergency exit with facial recognition function |
-
2021
- 2021-02-04 CN CN202110156586.0A patent/CN113027303A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20119251U1 (en) * | 2001-11-27 | 2003-04-10 | Exacta-Fenster-Bau GmbH, 40599 Düsseldorf | French window, has rail with T shaped cross section covering gap between sashes |
| CN204402285U (en) * | 2015-01-13 | 2015-06-17 | 江西宏达保安器材有限公司 | A kind of intelligent communication base station anti-theft safety door |
| CN207144663U (en) * | 2017-05-23 | 2018-03-27 | 深圳市楚唯呈科技有限公司 | Contact-free formula keeper |
| CN208619006U (en) * | 2018-07-05 | 2019-03-19 | 三河市三皇工贸有限公司 | A kind of fire prevention intelligent security guard door |
| CN209556831U (en) * | 2018-10-19 | 2019-10-29 | 浙江众幸防护设备有限公司 | Antidetonation closed guard gate |
| CN209670738U (en) * | 2018-12-27 | 2019-11-22 | 江西辉达门窗有限公司 | A kind of bathroom room sliding door |
| CN212002900U (en) * | 2020-02-02 | 2020-11-24 | 宿迁益创智能科技有限公司 | Emergency exit with facial recognition function |
| CN211375687U (en) * | 2020-04-13 | 2020-08-28 | 武际斌 | Security entrance guard based on thing networking |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210625 |
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| RJ01 | Rejection of invention patent application after publication |