CN210864854U - Campus access control system who possesses emergent sparse function - Google Patents
Campus access control system who possesses emergent sparse function Download PDFInfo
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- CN210864854U CN210864854U CN201922394071.5U CN201922394071U CN210864854U CN 210864854 U CN210864854 U CN 210864854U CN 201922394071 U CN201922394071 U CN 201922394071U CN 210864854 U CN210864854 U CN 210864854U
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- 239000000779 smoke Substances 0.000 claims abstract description 14
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- 230000005540 biological transmission Effects 0.000 claims description 8
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- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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Abstract
The utility model relates to a campus access control system with emergent sparse function, include the campus building gate specifically, install the electromagnetic lock on the campus building gate, the electromagnetic lock is connected with electronic switch, electronic switch and power electric connection, electronic switch is connected with the main control unit through wireless communication module; and a smoke sensor is arranged in each room in the campus building. When emergency appears, can open entrance guard in advance through pressing emergency button, make things convenient for the student to evacuate, if the condition in the outage needs to be evacuated, then can open the electromagnetic lock of fleing through manual opening assembly, open the door plant, avoid sparse obstructed condition.
Description
Technical Field
The utility model belongs to the entrance guard field, concretely relates to campus access control system who possesses emergent sparse function.
Background
Campus dormitory safety management is always an important aspect of campus management, and at present, many campus systems use an access control system based on an RFID technology for distinguishing identity information of people who enter and exit, so that students at school can normally enter and exit a dormitory building, and meanwhile, other social people are prevented from entering and exiting the dormitory building at will. However, the existing campus access control system has a single function, can only be opened through a campus card, and is inconvenient to access after a student campus card is carelessly lost, and meanwhile, the campus access control system cannot be effectively opened in advance in emergency, so that evacuation of students is blocked easily, and evacuation work of students is seriously affected, and therefore the campus access control system with an emergency evacuation function is needed.
Disclosure of Invention
In order to solve the problem, the utility model provides a campus access control system who possesses emergent sparse function. The technical scheme adopted by the invention is as follows: the campus building gate is provided with an electromagnetic lock, the electromagnetic lock is connected with an electronic switch, the electronic switch is electrically connected with a power supply, and the electronic switch is connected with a main controller through a wireless communication module; smoke sensors are arranged in each room in the campus building, each smoke sensor is wirelessly connected with the main controller, an audible and visual alarm is arranged on the outer wall of each room door, and the audible and visual alarm is electrically connected with the smoke sensors; install the pole setting on the campus building gate, the camera is installed at the pole setting top, set up data transmission module in the camera, data transmission module and main control unit wireless connection.
Preferably, the electromagnetic lock comprises a first electromagnetic core fixedly arranged inside the lock shell, a first electromagnetic coil is wound on the first electromagnetic core, and the first electromagnetic core is electrically connected with the electronic switch; and the relative position of the first electromagnetic core is provided with an adsorption mechanism which can be adsorbed on the first electromagnetic core, the adsorption mechanism is provided with a first reset mechanism, and the adsorption mechanism is also provided with a driving mechanism which can be manually driven.
Preferably, third magnetic conduction plates are symmetrically arranged at two ends of the first electromagnetic core, the adsorption mechanism comprises two symmetrically arranged second lock rods, one ends of the second lock rods, which are opposite to the third magnetic conduction plates, are fixedly connected with a second adsorption plate, and the other ends of the second lock rods penetrate through the outer wall of the lock shell to form a locking structure; when the second lock rod is in the locking position, the reset mechanism is in an unstressed state.
Preferably, the manual driving mechanism comprises a pulling plate, a contact inclined plate and an inward opening button, one side of the pulling plate penetrates through a transverse guide hole on the second adsorption plate and is provided with a hooking part, and the other side of the pulling plate is inclined downwards in an inclined manner to form a contact part matched with the contact inclined plate; the contact inclined plate is connected through the connecting plate to form a V-shaped linkage fork, the linkage fork is fixedly connected with the button, and the button is arranged outside the lock shell.
Preferably, the first reset mechanism comprises a second guide sleeve fixedly connected with the inner wall of the lock shell, the second lock rod penetrates through the second guide sleeve, and a third spring is sleeved on the second lock rod and positioned in the second guide sleeve; and one end of the third spring, which is close to the first electromagnetic core, is fixedly connected with the inner wall of the second guide sleeve, and the other end of the third spring is fixedly connected with the second lock rod.
Preferably, one end of the first electromagnetic core is fixedly connected with a first magnetic conduction plate, the adsorption mechanism comprises a first lock rod, one end of the first lock rod is fixedly connected with a first adsorption plate arranged opposite to the first magnetic conduction plate, and the other end of the first lock rod penetrates through the outer wall of the lock shell to form a locking structure; when the first lock rod is in the locking position, the reset mechanism is in an unstressed state.
Preferably, the manual driving mechanism comprises a U-shaped pulling piece, an opening of the U-shaped pulling piece is fixedly arranged on the first adsorption plate, a closed position of the U-shaped pulling piece penetrates through the outer wall of the lock shell to form a structure capable of being manually pulled, and the electromagnetic core is arranged in a space formed by the U-shaped pulling piece and the first adsorption plate; and a stop mechanism is arranged on the U-shaped pulling piece.
Preferably, one end of the U-shaped pull piece, which is located at the closed position, is provided with a through hole which penetrates through the U-shaped pull piece up and down, the stop mechanism comprises a second electromagnetic core which is fixedly connected with the U-shaped pull piece, a second electromagnetic coil is wound on the second electromagnetic core, two ends of the second electromagnetic core are fixedly connected with a second magnetic conduction plate, and the total length of the second electromagnetic core and the second magnetic conduction plate is equivalent to the width of the inner side of the U-shaped pull piece; the relative position of second magnetic conduction board sets up the bolt, the bolt passes the through-hole that sets up on the U type pulling-on piece and adsorbs together with second magnetic conduction board, the other end fixed connection baffle of bolt, the baffle passes through second canceling release mechanical system and locks the shell inner wall connection.
Preferably, the second reset mechanism comprises a reset piece fixedly connected with the inner wall of the lock shell, a through hole for a bolt to pass through is formed in the middle of the reset piece, two guide pillars are symmetrically arranged on the upper side of the reset piece, a stop block is arranged at the tops of the guide pillars, a second spring is sleeved on the guide pillars, and one end, far away from the reset piece, of the second spring is fixedly connected with a baffle plate; and the second spring is in a compressed state when the bolt is adsorbed on the second magnetic conduction plate.
Preferably, the first reset mechanism comprises a first guide sleeve fixedly connected with the inner wall of the lock shell, the first lock rod penetrates through the first guide sleeve, and a first spring is sleeved on the first lock rod and positioned in the first guide sleeve; one end of the first spring, which is close to the first electromagnetic core, is fixedly connected with the inner wall of the first guide sleeve, and the other end of the first spring is fixedly connected with the first lock rod.
The utility model discloses following beneficial effect has: the utility model provides an access control system for emergency evacuation in a campus, which can effectively open a door plate when in emergency evacuation by matching an electromagnetic lock with a main controller; under normal conditions, the door control system controls the door panel to be opened through the camera and the RFID card reader. When open fire occurs, the smoke sensor is triggered, the door panel can be directly opened in advance by the access control system, when evacuation is needed in other situations, the emergency button can be pressed, the door panel can be directly opened in advance by the access control system, when students need to be evacuated in the power-off situation, the electromagnetic lock can be manually opened, and the door panel is opened to avoid the obstruction of the evacuation of the students; meanwhile, the access control system can play a role in attendance checking through the identification camera and the like, and the attendance checking problem of other attendance checking modes is effectively prevented.
Drawings
Fig. 1 is a control schematic block diagram of a park access control system of the present invention;
fig. 2 is a schematic structural view of the door edge recognition device of the present invention;
fig. 3 is a schematic structural view of the electromagnetic lock for escape of the utility model;
FIG. 4 is an enlarged schematic view at A in FIG. 3;
FIG. 5 is an enlarged schematic view at B in FIG. 4;
fig. 6 is a schematic structural view of another escape electromagnetic lock of the present invention;
fig. 7 is a schematic structural view of the linkage fork of fig. 6.
1-lock shell, 2-magnetic conductive plate, 4-first guide sleeve, 5-first spring, 6-first lock bar, 7-first adsorption plate, 8-limiting clamp block, 10-U-shaped pull tab, 11-second electromagnetic coil, 12-second magnetic conductive plate, 13-bolt, 14-reset piece, 15-baffle plate, 16-second electromagnetic core, 17-second spring, 18-guide post, 19-identification camera, 20-RFID card reader, 21-upright rod, 22-second lock hole, 23-door plate, 24-second lock bar, 25-second adsorption plate, 26-third magnetic conductive plate, 27-magnetic core, 28-third electromagnetic coil, 29-second guide sleeve, 30-third spring, 31-wall, 32-pull plate, 33-a mounting plate, 34-a linkage fork, 35-an inward opening button, 36-a fourth spiral spring, 37-a connecting plate and 38-a contact inclined plate.
Detailed Description
In order to make the technical solution of the present invention better understood and make the above objects, features and advantages of the present invention more comprehensible, the present invention and its operation mode are described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a campus access control system with emergency evacuation function includes an electromagnetic lock installed on a campus building gate, where the campus building gate includes a dormitory building gate, a teaching area gate, and a campus gate (a gate through which students walk), and the electromagnetic lock is connected to an electronic switch, the electronic switch is electrically connected to a power supply, and the electronic switch is connected to a main controller through a wireless communication module; all set up smoke sensor in each room in the campus building, every smoke sensor and main control unit wireless connection, be provided with audible-visual annunciator on each room outer wall, audible-visual annunciator and smoke sensor electric connection.
Will trigger the smoke inductor when the fire source produces smog, the smoke inductor is at once with signal transmission for main control unit, main control unit passes through remote control for electronic switch communicates, and the electromagnetic lock switches on and opens the electromagnetic lock this moment, convenient sparse student, and main control unit can transmit the conflagration signal to the department of being diligent simultaneously, and the notice back service personnel in time control handles. The smoke sensor transmits signals to the audible and visual alarm arranged outside each room, the audible and visual alarm gives out audible and visual alarms to inform people around which room has a disaster, and prompts the evacuated students to keep away from the rooms with the disaster, thereby playing the role of warning.
The main control unit is electrically connected with the emergency button, and the emergency button is arranged in a main control room of the dormitory building. When student personnel need to be evacuated under other conditions, the emergency button can be pressed by the personnel, the signal is transmitted to the main controller, and the main controller controls the escape electromagnetic lock to be opened for evacuation.
Install pole setting 21 on the campus building gate, the camera is installed at pole setting 21 top, set up data transmission module in the camera, data transmission module and main control unit wireless connection. An RFID card reader 20 can be arranged in the data transmission module, and the RFID card reader 20 carries out remote data transmission with the main controller. Under the condition that no disaster occurs, the student approaches the RFID card reader 20 through the campus card, the RFID card reader 20 checks the identified information, the electromagnetic lock is controlled to be opened by the main controller after the identification is correct, the student pushes the door plate to enter and exit, and the door plate can be automatically closed after being opened by adopting the existing spring hinge door plate; if student's campus card loses, also can pass in and out through facial discernment, student's facial information is gathered to camera 19, with data upload to main control unit, if the facial information of discernment is unanimous with the student's information of main control unit in the storage, the dormitory door is opened.
Electromagnetic lock is including the fixed first electromagnetism core that sets up in lock shell 1 inside, around establishing first solenoid on the first electromagnetism core, first electromagnetism core and electronic switch electric connection, with first electromagnetism core relative position is provided with the adsorption apparatus who can adsorb on first electromagnetism core, be provided with first canceling release mechanical system on the adsorption apparatus, but still be provided with manually driven actuating mechanism on the adsorption apparatus. The electronic switch is switched into a conducting state after receiving a signal of the main controller, at the moment, the first electromagnetic core generates magnetic force due to the power-on state, the adsorption mechanism and the first electromagnetic core are in an adsorption state, and the electromagnetic lock is opened; the manually driven driving mechanism can ensure that the door lock is opened in a manual mode when the electromagnetic mode cannot be used, and the condition that the door lock is locked and cannot be opened is avoided.
As shown in fig. 3, 4 and 5, the campus access control system with emergency evacuation function of the present invention includes a first electromagnetic core, one end of which is fixedly connected to a first magnetic conductive plate 2, the adsorption mechanism includes a first lock rod 6, one end of the first lock rod 6 is fixedly connected to a first adsorption plate 7 disposed opposite to the first magnetic conductive plate 2, and the other end of the first lock rod 6 penetrates through the outer wall of the lock case to form a locking structure; when the first lock rod 6 is in the locking position, the reset mechanism is in an unstressed state. When the electromagnetic lock is in a locking state, the first magnetic conduction plate 2 and the first adsorption plate 7 are in a separated state.
The manual driving mechanism comprises a U-shaped pulling piece 10, a first adsorption plate 7 is fixedly arranged at the position of an opening of the U-shaped pulling piece 10, a closed position of the U-shaped pulling piece 10 penetrates through the outer wall of the lock shell to form a structure capable of being manually pulled, and the electromagnetic core is arranged in a space formed by the U-shaped pulling piece 10 and the first adsorption plate 7; a stop mechanism is provided on the U-shaped pull tab 10. The U-shaped pulling piece 10 is pulled to be positioned on the outer wall of the lock shell, so that the U-shaped pulling piece 10 drives the first adsorption plate 7 to move towards the right side in the figure 3, and the electromagnetic lock is opened at the moment.
A through hole which penetrates through the U-shaped pull tab 10 from top to bottom is formed in one end, located at the closed position, of the U-shaped pull tab 10, the stop mechanism comprises a second electromagnetic core 16 fixedly connected with the U-shaped pull tab 10, a second electromagnetic coil 11 is wound on the second electromagnetic core 16, two ends of the second electromagnetic core 16 are fixedly connected with a second magnetic conduction plate 12, and the total length of the second electromagnetic core 16 and the second magnetic conduction plate 12 is equal to the width of the inner side of the U-shaped pull tab 10; the relative position of second magnetic conduction board 12 sets up bolt 13, bolt 13 passes the through-hole that sets up on the U type pulling-on piece 10 and adsorbs together with second magnetic conduction board 12, the other end fixed connection baffle 15 of bolt 13, baffle 15 passes through second canceling release mechanical system and lock shell inner wall connection.
The second reset mechanism comprises a reset piece 14 fixedly connected with the inner wall of the lock shell, a through hole for a bolt 13 to pass through is formed in the middle of the reset piece 14, two guide columns 18 are symmetrically arranged on the upper side of the reset piece 14, a stop block is arranged at the tops of the guide columns 18, a second spring 17 is sleeved on each guide column 18, and one end, far away from the reset piece 14, of each second spring 17 is fixedly connected with a baffle 15; the second spring 17 is in a compressed state when the plug pin 13 is adsorbed on the second magnetic conduction plate 12.
The first reset mechanism comprises a first guide sleeve 4 fixedly connected with the inner wall of the lock shell 1, the first lock rod 6 penetrates through the first guide sleeve 4, and a first spring 5 is sleeved on the first lock rod 6 and positioned in the first guide sleeve 4; one end of the first spring 5, which is close to the first electromagnetic core, is fixedly connected with the inner wall of the first guide sleeve 4, and the other end of the first spring 5 is fixedly connected with the first lock rod 6.
Under normal conditions, the main controller controls the second electromagnetic coil 11 to be in a constantly energized state, at this time, the plug pin 13 can be accurately inserted into the through hole under the action of the attraction force of the second magnetic conduction plate 12 and the guide of the guide post 18, and the second spring 17 is in a compressed state; the U-shaped pulling piece 10 cannot be pulled due to the limitation of the bolt 13; when the campus is in the power-off state, the second electromagnetic coil 11 is in the power-off state, so the second electromagnetic core 16 and the second magnetic conducting plate 12 do not generate attraction force on the bolt 13, the second spring 17 in the compression state pushes the baffle 15, and the bolt 13 exits from the through hole of the U-shaped pull piece 10, because the baffle 15 is limited by the stop block arranged at the top of the guide post 18, the bolt 13 does not push the second spring 17 out of the guide post 18, at this moment, the U-shaped pull piece 10 can be pulled, the first adsorption plate 7 can be pulled by the bending part of the bolt, and then the first lock rod 6 is driven to exit from the first lock hole, so that the door.
When the second electromagnet core 16 is powered off, the first spring 5 will automatically return to the natural state, so that the first spring 5 will drive the first lock lever 6 to move to the left in fig. 3, so that the electromagnetic lock maintains the locked state.
Fig. 6 and 7 show another embodiment of the electromagnetic lock, wherein third magnetic conductive plates 26 are symmetrically disposed at two ends of the first electromagnetic core, the adsorption mechanism includes two second lock rods 24 symmetrically disposed, one end of each second lock rod 24 opposite to the third magnetic conductive plate 26 is fixedly connected to a second adsorption plate 25, and the other end of each second lock rod 24 penetrates through the outer wall of the lock case 1 to form a locking structure; when the second lock rod 24 is in the locking position, the reset mechanism is in an unstressed state.
The manual driving mechanism comprises a pulling plate 32, a contact inclined plate 38 and an inward opening button 35, one side of the pulling plate 32 penetrates through a transverse guide hole on the second adsorption plate 25 and is provided with a hooking part, and the other side of the pulling plate is inclined downwards in an inclined manner to form a contact part matched with the contact inclined plate 38; the contact inclined plate 38 is connected by a connecting plate 37 to form a V-shaped linkage fork 34, the linkage fork 34 is fixedly connected with a button 35, and the button 35 is arranged outside the lock shell.
The first reset mechanism comprises a second guide sleeve 29 fixedly connected with the inner wall of the lock shell 1, the second lock rod 24 penetrates through the second guide sleeve 29, and a third spring 30 is sleeved on the second lock rod 24 and positioned in the second guide sleeve 29; one end of the third spring 30 close to the first electromagnetic core is fixedly connected with the inner wall of the second guide sleeve 29, and the other end of the third spring 30 is fixedly connected with the second lock rod 24.
In a conventional case, the third spring 30 is in a natural state, and the second lock lever 24 is inserted into the second lock hole 22. When the unlocking is needed, the driving mechanism can drive the second lock rod 24 to exit the second lock hole 22.
The contact tilt plate 38 is movable upward and downward by the drive of the inward opening button 35, and the upward movement is a process of unlocking, and the downward movement is a process of resetting. When moving upward, the contact sloping plate 38 presses the contact portion of the pulling plate 32, the pulling plate 32 moves laterally in a direction away from the second locking hole 22, and the second absorbing plate 25 is driven by the hooking portion, so as to drive the second lock rod 24 to exit the second locking hole 22.
The simplest button 35 may be a push rod fixedly connected to the contact tilt plate 38, and the push rod is pushed upward, pushes the contact tilt plate 38 upward, and pulls the push rod downward to pull the contact tilt plate 38 downward. In order to facilitate installation and operation, the button 35 has an automatic reset function, and the better way can be that the inner side of the door panel 1 is provided with the mounting plate 33, the mounting plate 33 is fixed with the door panel 1 through the connecting rod, and can also be fixed with the door panel 1 through the shell of the lock, and the connecting rod and the shell of the lock have simpler structures, and are not described herein again. It can be understood that, the mounting panel 33 in fig. 6 and the inside or the inside fixed connection of wall body of lock shell, button 35 protrusion in the outside of lock shell or protrusion in the wall body surface, the position that makes things convenient for personnel to press, whole button 35 outside sets up a plastic cover parallel with door surface or wall body surface, avoids personnel's maloperation, during the emergency uses, can directly with the step-on plastic cover (the setting of safety hammer on the bus is similar to), press button 35 again and reach the purpose of opening the lock.
The inward opening button 35 comprises a vertical push rod and a pressing head fixed at the right end of the push rod, the left end of the push rod penetrates through the mounting plate 33 and then is fixedly connected with the contact inclined plate 38, the push rod is sleeved with a fourth spring 36, and the fourth spring 36 is located between the pressing head and the mounting plate 33. The structure mountable of this lock uses on the campus door, in the use, when meetting emergency, at first accessible main control unit control electromagnetic lock opens, specifically utilizes magnetic force to produce suction and attracts second adsorption plate 25 to drive second locking lever 24 and withdraw from second lockhole 22, second locking lever 24 withdraws from and pushes open door plant 1, very convenient to use.
When the second lock rod 24 cannot be driven by the electromagnetic driving assembly under special conditions such as power failure and electrical fault, the trapped person only needs to press the button 35, the button 35 drives the contact inclined plate 38 to move upwards, and the contact inclined plate 38 presses the contact part of the pull plate 32, so that the pull plate 32, the second adsorption plate 25 and the second lock rod 24 are sequentially driven to move, the second lock rod 24 exits from the second lock hole 22, and unlocking is achieved.
It should be noted that while the embodiments of the present invention have been shown and described herein, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a campus access control system that possesses emergent sparse function, includes campus building gate, its characterized in that: an electromagnetic lock is installed on the campus building gate and connected with an electronic switch, the electronic switch is electrically connected with a power supply, and the electronic switch is connected with a main controller through a wireless communication module; smoke sensors are arranged in each room in the campus building, each smoke sensor is wirelessly connected with the main controller, an audible and visual alarm is arranged on the outer wall of each room door, and the audible and visual alarm is electrically connected with the smoke sensors;
install pole setting (21) on the campus building gate, the camera is installed at pole setting (21) top, set up data transmission module in the camera, data transmission module and main control unit wireless connection.
2. The campus access control system with emergency evacuation function of claim 1, wherein: the electromagnetic lock comprises a first electromagnetic core fixedly arranged in the lock shell (1), a first electromagnetic coil is wound on the first electromagnetic core, and the first electromagnetic core is electrically connected with the electronic switch; and the relative position of the first electromagnetic core is provided with an adsorption mechanism which can be adsorbed on the first electromagnetic core, the adsorption mechanism is provided with a first reset mechanism, and the adsorption mechanism is also provided with a driving mechanism which can be manually driven.
3. The campus access control system with emergency evacuation function of claim 2, wherein: third magnetic conduction plates (26) are symmetrically arranged at two ends of the first electromagnetic core, the adsorption mechanism comprises two second lock rods (24) which are symmetrically arranged, one ends of the second lock rods (24) opposite to the third magnetic conduction plates (26) are fixedly connected with a second adsorption plate (25), and the other ends of the second lock rods (24) penetrate through the outer wall of the lock shell (1) to form a locking structure; when the second lock rod (24) is in a locking position, the first reset mechanism is in an unstressed state.
4. The campus access control system with emergency evacuation function of claim 3, wherein: the manual driving mechanism comprises a pulling plate (32), a contact inclined plate (38) and an inward opening button (35), one side of the pulling plate (32) penetrates through a transverse guide hole in the second adsorption plate (25) and is provided with a hook part, and the other side of the pulling plate obliquely inclines downwards to form a contact part matched with the contact inclined plate (38); the contact inclined plate (38) is connected through a connecting plate (37) to form a V-shaped linkage fork (34), the linkage fork (34) is fixedly connected with a button (35), and the button (35) is arranged outside the lock shell.
5. The campus access control system with emergency evacuation function of claim 4, wherein: the first reset mechanism comprises a second guide sleeve (29) fixedly connected with the inner wall of the lock shell (1), the second lock rod (24) penetrates through the second guide sleeve (29), and a third spring (30) is sleeved on the second lock rod (24) and positioned in the second guide sleeve (29); one end of the third spring (30) close to the first electromagnetic core is fixedly connected with the inner wall of the second guide sleeve (29), and the other end of the third spring (30) is fixedly connected with the second lock rod (24).
6. The campus access control system with emergency evacuation function of claim 2, wherein: one end of the first electromagnetic core is fixedly connected with a first magnetic conduction plate (2), the adsorption mechanism comprises a first lock rod (6), one end of the first lock rod (6) is fixedly connected with a first adsorption plate (7) which is arranged opposite to the first magnetic conduction plate (2), and the other end of the first lock rod (6) penetrates through the outer wall of the lock shell to form a locking structure; when the first lock rod (6) is in a locking position, the first reset mechanism is in an unstressed state.
7. The campus access control system with emergency evacuation function of claim 6, wherein: the manual driving mechanism comprises a U-shaped pulling piece (10), the position of an opening of the U-shaped pulling piece (10) is fixedly arranged on the first adsorption plate (7), the closed position of the U-shaped pulling piece (10) penetrates through the outer wall of the lock shell to form a structure capable of being manually pulled, and the electromagnetic core is arranged in a space formed by the U-shaped pulling piece (10) and the first adsorption plate (7); and a stop mechanism is arranged on the U-shaped pull sheet (10).
8. The campus access control system with emergency evacuation function of claim 7, wherein: one end, located at a closed position, of the U-shaped pull piece (10) is provided with a through hole which penetrates through the U-shaped pull piece up and down, the stop mechanism comprises a second electromagnetic core (16) fixedly connected with the U-shaped pull piece (10), a second electromagnetic coil (11) is wound on the second electromagnetic core (16), two ends of the second electromagnetic core (16) are fixedly connected with a second magnetic conduction plate (12), and the total length of the second electromagnetic core (16) and the second magnetic conduction plate (12) is equivalent to the width of the inner side of the U-shaped pull piece (10); the relative position of second magnetic conduction board (12) sets up bolt (13), through-hole and second magnetic conduction board (12) that set up on U type pulling-on piece (10) are passed in bolt (13) and are adsorbed together, the other end fixed connection baffle (15) of bolt (13), baffle (15) are through second canceling release mechanical system and lock shell inner wall connection.
9. The campus access control system with emergency evacuation function of claim 8, wherein: the second reset mechanism comprises a reset piece (14) fixedly connected with the inner wall of the lock shell, a through hole for a bolt (13) to pass through is formed in the middle of the reset piece (14), two guide columns (18) are symmetrically arranged on the upper side of the reset piece (14), a stop block is arranged at the top of each guide column (18), a second spring (17) is sleeved on each guide column (18), and one end, far away from the reset piece (14), of each second spring (17) is fixedly connected with a baffle (15); and the second spring (17) is in a compressed state when the bolt (13) is adsorbed on the second magnetic conduction plate (12).
10. The campus access control system with emergency evacuation function of claim 9, wherein: the first reset mechanism comprises a first guide sleeve (4) fixedly connected with the inner wall of the lock shell (1), the first lock rod (6) penetrates through the first guide sleeve (4), and a first spring (5) is sleeved on the first lock rod (6) and positioned in the first guide sleeve (4); one end of the first spring (5) close to the first electromagnetic core is fixedly connected with the inner wall of the first guide sleeve (4), and the other end of the first spring (5) is fixedly connected with the first lock rod (6).
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| CN201922394071.5U CN210864854U (en) | 2019-12-26 | 2019-12-26 | Campus access control system who possesses emergent sparse function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512478A (en) * | 2022-11-23 | 2022-12-23 | 内江市感官密码科技有限公司 | Campus access control supervision method and device based on face recognition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115512478A (en) * | 2022-11-23 | 2022-12-23 | 内江市感官密码科技有限公司 | Campus access control supervision method and device based on face recognition |
| CN115512478B (en) * | 2022-11-23 | 2023-03-07 | 内江市感官密码科技有限公司 | Campus access control supervision method and device based on face recognition |
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Address after: Office No. 1610, 16th Floor, Unit 3, No. 377 Lan Gui Avenue, Dongxing District, Neijiang City, Sichuan Province, 641000 Patentee after: Sichuan Sensory Cryptography Technology Co.,Ltd. Address before: Office No. 1610, 16th Floor, Unit 3, No. 377 Lan Gui Avenue, Dongxing District, Neijiang City, Sichuan Province, 641000 Patentee before: Neijiang sensory Cryptography Technology Co.,Ltd. |
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