CN111364843B - Security entrance guard's device - Google Patents
Security entrance guard's device Download PDFInfo
- Publication number
- CN111364843B CN111364843B CN202010271161.XA CN202010271161A CN111364843B CN 111364843 B CN111364843 B CN 111364843B CN 202010271161 A CN202010271161 A CN 202010271161A CN 111364843 B CN111364843 B CN 111364843B
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- groove
- cavity
- block
- sliding
- spline
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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
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
- E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object
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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
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a security entrance guard device which comprises a wall body, wherein a passing cavity penetrating through the wall body from left to right is arranged in the wall body, the left side of the passing cavity is communicated with the outside, the right side of the passing cavity is communicated with a space to be safely prevented and controlled, an installation block is arranged on the upper side of the passing cavity and fixedly arranged in the wall body.
Description
Technical Field
The invention relates to the technical field of access control systems, in particular to a security access control device.
Background
The entrance guard system is in the intelligent building field, indicates the forbidding authority of "door", is the guard and prevention to "door", and it is the effective measure of solving important department's access & exit and realizing the management of safety precaution, is suitable for various key departments, such as bank, hotel, parking lot management, computer lab, military hardware storehouse etc. and current entrance guard system is low to the security of guarding against of door, though can report to the police when taking place, nevertheless to personnel's low precaution, can cause certain loss. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
traditional access control system is low to the security of taking precautions against of door, though can report to the police when taking place the alert condition, nevertheless low to personnel's prevention, can cause certain loss.
In order to solve the problems, the embodiment designs a security entrance guard device, which comprises a wall body, wherein a through cavity penetrating left and right is arranged in the wall body, the left side of the through cavity is communicated with the outside, the right side of the through cavity is communicated with a space to be safely prevented and controlled, an installation block is arranged on the upper side of the through cavity and fixedly arranged in the wall body, two sliding grooves are communicated in the wall of the rear side end of the through cavity, a threaded shaft is rotatably arranged in each sliding groove, a security door is arranged on the threaded shaft in a threaded manner, the two security doors can block the through cavity from passing through, the lower end of the security door on the right side is provided with a clamping groove, the rear end of the threaded shaft on the left side is dynamically connected with a first motor, the front end of the threaded shaft on the right side is dynamically connected with a second motor, a transmission device is arranged in the installation block, and when the through cavity, the transmission work can make the right side the threaded shaft with second motor power is connected, and at this moment, the right side the threaded shaft side rotates and makes the security protection door is opened the chamber of going to the expert, the chamber downside of going to the expert is equipped with the manipulation piece, be equipped with the recess in the manipulation piece, it is equipped with the footboard to slide in the recess, the footboard lower extreme with pressure spring has set firmly between the recess, the recess downside is equipped with locking device, locking device includes the locking slider, locking slider upper end can insert make in the draw-in groove the security protection door can't slide, through weight energy control on the footboard the lift of locking slider.
Preferably, two face recognition devices are fixedly arranged on the wall, the face recognition device is located on the left side of the security door, the face recognition device is located on the right side and is located between the security doors, the face recognition device is located on the left side and is controlled by the face recognition function, the control module is installed on the face recognition device, the face recognition device is located on the left side and is controlled by the face recognition function, the first motor works, and the face recognition device on the right side is controlled by the face recognition function, and the second motor works.
Preferably, a first boundary line and a second boundary line are fixedly arranged on the left side end wall of the groove, and the first boundary line is located at the upper side of the second boundary line.
Wherein, transmission includes the transmission chamber, the transmission intracavity rotates and is equipped with the dwang, dwang left end and left security protection door front end butt, the transmission intracavity slides and is equipped with the slide bar, the terminal surface before the slide bar with dwang right-hand member butt, the slide bar rear end face with telescopic spring has set firmly between the transmission chamber, transmission chamber right side is equipped with the cavity, the slide bar right-hand member extends to just rotate in the cavity and be equipped with the spline housing, spline housing rear end and right side the spline structure splined connection of threaded spindle front end, spline housing front end splined connection has the integral key shaft, integral key shaft front end power connection has the second motor.
Preferably, the lower side of the groove is provided with an adjusting cavity, the adjusting cavity is internally provided with an adjusting block in a sliding manner, the adjusting block is internally provided with a rack in a sliding manner, the upper end of the rack extends into the groove, the left end face of the rack is fixedly provided with a reset assembly for resetting the rack, the right end face of the rack is rotatably meshed with a meshing gear, the front end face of the meshing gear is fixedly provided with a first bevel gear, the lower side of the first bevel gear is meshed with a second bevel gear, the center of the second bevel gear is fixedly provided with a spline rod, the lower end of the spline rod is connected with a spline wheel through a spline, the left side of the adjusting cavity is provided with a lifting device, and.
The lifting device comprises a lifting groove, a lifting screw is arranged in the lifting groove in a rotating mode, the lower end of the lifting screw is in power connection with a lifting motor, a lifting block is installed on the lifting motor in a threaded mode, and the right end of the lifting block is fixedly connected with the adjusting block.
Wherein the locking device comprises a moving groove, a butting block with the left end extending into the groove is arranged in the moving groove in a sliding manner, a moving block is arranged on the right side of the abutting block in a sliding manner, a connecting spring is fixedly arranged between the left end of the moving block and the abutting block, a hollow groove is arranged in the moving block, a locking sliding groove is arranged at the lower side of the moving groove, the locking sliding block is arranged in the locking sliding groove in a sliding manner, a through groove is arranged in the locking sliding groove, the moving block penetrates through the through groove, a poking cavity is arranged on the right side of the moving groove, a poke rod is rotatably arranged in the poke cavity, a fixed block with the front end extending into the empty groove is fixedly arranged on the front end surface of the poke rod, the lower side of the poking cavity is provided with a rotating groove, the lower end of the poking rod extends into the rotating groove, an eccentric wheel is arranged in the rotating groove in a rotating mode through a rotating shaft, and the rotating shaft is connected with the lower end of the spline wheel through a transmission belt in a power mode.
The invention has the beneficial effects that: the invention is provided with two security doors, the opening and closing of the security doors are identified through a face recognizer, the second security door can be opened after the first security door is opened through a transmission device, and the two security doors can only be passed by one person at a time, and then a locking device is arranged at the lower side of the second security door.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
Fig. 1 is a schematic view of the overall structure of a security access control device according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged view of the structure "B" of FIG. 2;
FIG. 4 is an enlarged view of the structure of "C" in FIG. 1
FIG. 5 is a schematic view of the structure in the direction "D-D" of FIG. 4.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a security entrance guard device, which is mainly used for security entrance guard work, and the invention will be further explained by combining the attached drawings of the invention:
the invention relates to a security entrance guard device, which comprises a wall body 20, wherein a through cavity 21 which penetrates through the wall body 20 from left to right is arranged in the wall body 20, the left side of the through cavity 21 is communicated with the outside, the right side of the through cavity 21 is communicated with a space to be safely prevented and controlled, an installation block 30 is arranged on the upper side of the through cavity 21, the installation block 30 is fixedly arranged in the wall body 20, two sliding grooves 22 are communicated in the wall of the rear end of the through cavity 21, a threaded shaft 27 is rotatably arranged in each sliding groove 22, a security door 23 is arranged on each threaded shaft 27 in a threaded manner, the two security doors 23 can block the through cavity 21 from passing through, a clamping groove 90 is arranged at the lower end of the security door 23 on the right side, a first motor 31 is dynamically connected at the rear end of the threaded shaft 27 on the left side, a second motor 53 is dynamically connected at the front end of the threaded, left security protection door 23 will when passing through chamber 21 and sealing, transmission 16 work can make the right side threaded shaft 27 with second motor 53 power is connected, at this moment, the right side threaded shaft 27 side rotates and makes security protection door 23 is opened pass through chamber 21, pass through chamber 21 downside and be equipped with operation piece 77, be equipped with recess 39 in the operation piece 77, it is equipped with footboard 40 to slide in the recess 39, footboard 40 lower extreme with pressure spring 24 has set firmly between the recess 39, recess 39 downside is equipped with locking device 17, locking device 17 includes locking slider 87, locking slider 87 upper end can insert make in the draw-in groove 90 security protection door 23 can't slide, through weight energy control on the footboard 40 locking slider 87's lift.
Beneficially, two face recognizers 35 are fixedly arranged on the wall 20, the left face recognizer 35 is located at the left side of the security door 23, the right face recognizer 35 is located between the left and right security doors 23, the left face recognizer 35 is provided with a control module 36, the left face recognizer 35 controls the first motor 31 to work through a face recognition function, and the right face recognizer 35 controls the second motor 53 to work through the face recognition function.
Advantageously, a first borderline 41 and a second borderline 42 are fixed to the left end wall of the groove 39, and the first borderline 41 is located above the second borderline 42.
According to the embodiment, the following explains transmission 16 in detail, transmission 16 includes transmission chamber 45, the internal rotation of transmission chamber 45 is equipped with dwang 46, dwang 46 left end and left the 23 front end butts of security protection door, it is equipped with slide bar 48 to slide in transmission chamber 45, slide bar 48 preceding terminal surface with dwang 46 right-hand member butt, slide bar 48 rear end face with telescopic spring 47 has set firmly between transmission chamber 45, transmission chamber 45 right side is equipped with cavity 50, slide bar 48 right-hand member extends to just rotate in the cavity 50 and be equipped with spline housing 51, spline housing 51 rear end and right side the spline structure spline connection of threaded shaft 27 front end, spline housing 51 front end spline connection has integral key shaft 52, integral key shaft 52 front end power is connected with second motor 53.
Beneficially, an adjusting cavity 57 is arranged on the lower side of the groove 39, an adjusting block 58 is slidably arranged in the adjusting cavity 57, a rack 76 with an upper end extending into the groove 39 is slidably arranged in the adjusting block 58, a reset assembly 59 for resetting the rack 76 is fixedly arranged on the left end face of the rack 76, a meshing gear 65 is rotatably engaged on the right end face of the rack 76, a first bevel gear 64 is fixedly arranged on the front end face of the meshing gear 65, a second bevel gear 66 is engaged on the lower side of the first bevel gear 64, a spline rod 70 is fixedly arranged at the center of the second bevel gear 66, a spline wheel 71 is connected to the lower end of the spline rod 70 through a spline, a lifting device 18 is arranged on the left side of the adjusting cavity 57, and the lifting device 18 can drive the adjusting block.
According to an embodiment, the following detailed description is made on the lifting device 18, the lifting device 18 includes a lifting groove 78, a lifting screw 80 is rotatably disposed in the lifting groove 78, a lifting motor 75 is dynamically connected to the lower end of the lifting screw 80, a lifting block 79 is installed on the lifting motor 75 through a thread, and the right end of the lifting block 79 is fixedly connected with the adjusting block 58.
According to the embodiment, the following detailed description will be given to the locking device 17, the locking device 17 includes a moving groove 89, the moving groove 89 is slidably provided with an abutting block 10, the left end of which extends into the groove 39, the right side of the abutting block 10 is slidably provided with a moving block 14, a connecting spring 11 is fixedly arranged between the left end of the moving block 14 and the abutting block 10, the moving block 14 is internally provided with a hollow groove 13, the lower side of the moving groove 89 is provided with a locking sliding groove 85, the locking sliding block 87 is slidably arranged in the locking sliding groove 85, the locking sliding groove 85 is internally provided with a through groove 88, the moving block 14 penetrates through the through groove 88, the right side of the moving groove 89 is provided with a toggle cavity 83 for rotation, the toggle cavity 83 is provided with a toggle rod 84, the front end surface of the toggle rod 84 is fixedly provided with a fixed block 12, the front end of which extends into the hollow groove 13, the lower, the lower end of the poke rod 84 extends into the rotating groove 81, an eccentric wheel 82 is rotatably arranged in the rotating groove 81 through a rotating shaft 74, and the rotating shaft 74 is in power connection with the lower end of the spline wheel 71 through a transmission belt 72.
The following describes in detail the use steps of the security access control device in conjunction with fig. 1 to 5:
initially, the security door 23 closes the through cavity 21, the pressure spring 24 is in a natural state, the locking slider 87 is inserted into the slot 90, the expansion spring 47 is in a compressed state, and the spline housing 51 is in spline connection with the threaded shaft 27 and the spline shaft 52.
During operation, a person to be communicated stands at the left position of the left security door 23, the identity is recognized through the left face recognizer 35, recognized identity information is processed through the control module 36, the information of the person contains weight information and can carry the weight of a package, the lifting motor 75 is started, the lifting screw 80 rotates, the lifting block 79 drives the adjusting block 58 to lift, the position of the upper end of the adjusting block 58 is controlled to be in the position relation with the first boundary line 41 and the second boundary line 42, when the recognized weight of the person is in a light weight stage, the upper end of the adjusting block 58 and the first boundary line 41 are located on the same horizontal line, the first motor 31 is started, the threaded shaft 27 rotates, the left security door 23 moves backwards, and at the moment, the sliding rod 48 moves forwards under the elastic restoring force of the telescopic spring 47, so that the spline sleeve 51 is disconnected from the threaded shaft 27;
a person stands on the pedal 40, the pedal 40 descends due to the self gravity, the pressure spring 24 is compressed, the abutting block 10 is pushed to move rightwards when the pedal 40 descends, the moving block 14 is pushed to move rightwards, the locking sliding block 87 descends to be separated from the clamping groove 90, the security door 23 is unlocked, after the left security door 23 seals the through cavity 21, the rotating rod 46 is pushed to rotate, the sliding rod 48 drives the spline sleeve 51 to move backwards, the spline sleeve 51 is in splined connection with the threaded shaft 27 again, after the person performs identity recognition through the right face recognizer 35, the second motor 53 is started, the right threaded shaft 27 is driven to rotate through the spline sleeve 51, the right security door 23 moves backwards, the through cavity 21 is opened, and the person passes rightwards;
if the weight of the person on the pedal 40 is different from the weight of the person after identification, the pedal 40 descends to lower the pressing rack 76, so as to drive the meshing gear 65, the first bevel gear 64, the second bevel gear 66, the spline rod 70, the spline wheel 71, the transmission belt 72 and the rotating shaft 74 to rotate, so that the eccentric wheel 82 rotates to push the poke rod 84 to rotate anticlockwise, the moving block 14 moves leftwards, the connecting spring 11 is compressed, the locking slide block 87 ascends under the elastic restoring force of the return spring 86, the upper end of the locking slide block 87 is inserted into the clamping groove 90 to lock the security door 23 on the right side, and at this time, the security door 23 cannot be opened after the identity is identified by the human face;
when the identified person is in a heavy weight stage, the lifting block 79 drives the adjusting block 58 to descend, so that the upper end of the rack 76 and the second boundary line 42 are located on the same horizontal line, the limit position of the normal descending of the pedal 40 is the position of the second boundary line 42, if the weight on the pedal 40 exceeds the set value, the pedal 40 presses down the rack 76, the meshing gear 65 rotates, the locking sliding block 87 is also enabled to ascend and be inserted into the clamping groove 90, the security door 23 is locked, and double guarantee is achieved.
The invention has the beneficial effects that: the invention is provided with two security doors, the opening and closing of the security doors are identified through a face recognizer, the second security door can be opened after the first security door is opened through a transmission device, and the two security doors can only be passed by one person at a time, and then a locking device is arranged at the lower side of the second security door.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.
Claims (1)
1. The utility model provides a security protection entrance guard's device, includes the wall body, its characterized in that: a passing cavity penetrating left and right is arranged in the wall body;
the left side of the passing cavity is communicated with the outside, the right side of the passing cavity is communicated with the space to be safely prevented and controlled, the upper side of the through cavity is provided with an installation block which is fixedly arranged in the wall body, the wall of the rear side end of the through cavity is internally communicated with two sliding grooves, a threaded shaft is arranged in the sliding groove in a rotating mode, security doors are installed on the threaded shaft in a threaded mode, the two security doors can block the passing cavity from passing through, a clamping groove is formed in the lower end of the security door on the right side, the rear end of the threaded shaft on the left side is connected with a first motor in a power mode, the front end of the threaded shaft on the right side is connected with a second motor in a power mode, a transmission device is arranged in the mounting block, when the security door on the left side seals the through cavity, the transmission device works to enable the threaded shaft on the right side to be in power connection with the second motor, and at the moment, the threaded shaft on the right side rotates to enable the security door to open the access cavity;
an operation block is arranged on the lower side of the passing cavity, a groove is formed in the operation block, a pedal is arranged in the groove in a sliding mode, a pressure spring is fixedly arranged between the lower end of the pedal and the groove, a locking device is arranged on the lower side of the groove and comprises a locking sliding block, the upper end of the locking sliding block can be inserted into the clamping groove, so that the security door cannot slide, and the lifting of the locking sliding block is controlled through the weight energy on the pedal;
two face recognizers are fixedly arranged on the wall body;
the left face recognizer is located at the left side of the security door, the right face recognizer is located between the left security door and the right security door, a control module is installed on the left face recognizer, the left face recognizer controls the first motor to work through a face recognition function, and the right face recognizer controls the second motor to work through the face recognition function;
a first boundary line and a second boundary line are fixedly arranged on the left side end wall of the groove, and the first boundary line is positioned at the upper side of the second boundary line;
the transmission device comprises a transmission cavity;
a rotating rod is rotatably arranged in the transmission cavity, the left end of the rotating rod is abutted against the front end of the left security door, a sliding rod is slidably arranged in the transmission cavity, the front end face of the sliding rod is abutted against the right end of the rotating rod, a telescopic spring is fixedly arranged between the rear end face of the sliding rod and the transmission cavity, a cavity is arranged on the right side of the transmission cavity, the right end of the sliding rod extends into the cavity and is rotatably provided with a spline housing, the rear end of the spline housing is in splined connection with the spline structure at the front end of the threaded shaft on the right side, the spline at the front end of the spline housing is connected with a spline shaft, and the front end of;
an adjusting cavity is arranged at the lower side of the groove;
an adjusting block is arranged in the adjusting cavity in a sliding mode, a rack with the upper end extending into the groove is arranged in the adjusting block in a sliding mode, a reset assembly used for resetting the rack is fixedly arranged on the left end face of the rack, a meshing gear is rotatably meshed with the right end face of the rack, a first bevel gear is fixedly arranged on the front end face of the meshing gear, a second bevel gear is meshed with the lower side of the first bevel gear, a spline rod is fixedly arranged at the center of the second bevel gear, a spline wheel is connected to the lower end of the spline rod through a spline, a lifting device is arranged on the left side of the adjusting cavity and can drive the adjusting block to lift;
the lifting device comprises a lifting groove, a lifting screw rod is rotationally arranged in the lifting groove, the lower end of the lifting screw rod is dynamically connected with a lifting motor, a lifting block is arranged on the lifting motor in a threaded manner, and the right end of the lifting block is fixedly connected with the adjusting block;
the locking device comprises a moving slot;
a butting block with the left end extending into the groove is arranged in the moving groove in a sliding manner, a moving block is arranged on the right side of the butting block in a sliding manner, a connecting spring is fixedly arranged between the left end of the moving block and the abutting block, a hollow groove is arranged in the moving block, a locking sliding groove is arranged at the lower side of the moving groove, the locking sliding block is arranged in the locking sliding groove in a sliding way, a through groove is arranged in the locking sliding groove, the moving block penetrates through the through groove, a poking cavity is arranged on the right side of the moving groove, a poke rod is rotatably arranged in the poke cavity, a fixed block with the front end extending into the empty groove is fixedly arranged on the front end surface of the poke rod, the lower side of the poking cavity is provided with a rotating groove, the lower end of the poking rod extends into the rotating groove, an eccentric wheel is arranged in the rotating groove in a rotating mode through a rotating shaft, and the rotating shaft is connected with the lower end of the spline wheel through a transmission belt in a power mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271161.XA CN111364843B (en) | 2020-04-08 | 2020-04-08 | Security entrance guard's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010271161.XA CN111364843B (en) | 2020-04-08 | 2020-04-08 | Security entrance guard's device |
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| Publication Number | Publication Date |
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| CN111364843A CN111364843A (en) | 2020-07-03 |
| CN111364843B true CN111364843B (en) | 2021-04-27 |
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| CN202010271161.XA Active CN111364843B (en) | 2020-04-08 | 2020-04-08 | Security entrance guard's device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111946190B (en) * | 2020-08-19 | 2021-07-30 | 南京溧水高新产业股权投资有限公司 | Anti-theft access control equipment capable of achieving induction recognition |
| CN116350016B (en) * | 2023-05-30 | 2023-08-15 | 山西八建集团有限公司 | Accounting data storage device based on building economy |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201087667Y (en) * | 2007-07-10 | 2008-07-16 | 四川实力达巨元科技有限公司 | Fingerprint identification technology controlled anti-dogging linkage safety door used for finance industry |
| CN204531956U (en) * | 2015-02-08 | 2015-08-05 | 四川迈铁龙科技有限公司 | Mechanical type gravity sensing evacuation safety door |
| CN106168090B (en) * | 2016-07-11 | 2018-03-06 | 黄受显 | Have the door opener of door shield and door opening function concurrently |
| CN207097094U (en) * | 2017-09-05 | 2018-03-13 | 深圳市海星信力德智能系统工程有限公司 | A kind of indoor gate control system |
| CN108825045A (en) * | 2018-07-18 | 2018-11-16 | 董建月 | A kind of window shade for door and window |
| CN109209114A (en) * | 2018-09-13 | 2019-01-15 | 屠建松 | A kind of door opener and its application method |
| WO2020066748A1 (en) * | 2018-09-27 | 2020-04-02 | パナソニックＩｐマネジメント株式会社 | Passage management system, passage management method, and program |
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| CN111364843A (en) | 2020-07-03 |
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