CN212376423U

CN212376423U - Foundation pit fence with entrance guard attendance function

Info

Publication number: CN212376423U
Application number: CN202020430658.7U
Authority: CN
Inventors: 李少志
Original assignee: Anping County Caxin Silk Mesh Products Co ltd
Current assignee: Anping County Caxin Silk Mesh Products Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-19
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a keep off is enclosed to foundation ditch with entrance guard's attendance function, this foundation ditch is enclosed including stand, the rail guard, the guard gate, the attendance subassembly, the lock subassembly, the attendance subassembly includes the casing, the power passes through connecting wire and controller looks electric connection, the controller pass through the connecting wire respectively with the camera, a display screen, face identification sensor, inductive transducer, keypad and electron trick lock electric connection, face identification sensor passes through the connecting wire and is connected with memory looks electric, display screen and camera looks electric connection. The work attendance checking assembly is arranged on the protective door, so that face recognition can be carried out on workers entering a foundation pit, workers entering and exiting the foundation pit can be effectively monitored, the workers are controlled to enter and exit the building site, the workers outside are prevented from entering the building site, the engineering quality and safety production are ensured, meanwhile, the time for the workers to enter the foundation pit construction site is recorded by the work attendance checking assembly, the management personnel can make the record of work attendance checking work, and the occurrence of labor disputes is reduced.

Description

Foundation pit fence with entrance guard attendance function

Technical Field

The utility model relates to an engineering construction safety protection field, in particular to keep off is enclosed to foundation ditch with entrance guard's attendance function.

Background

The foundation ditch is the soil hole that is excavated according to basement elevation and basic plane size in basic design position, is an important construction site of building site, and in order to guarantee the normal implementation of foundation ditch, the construction enterprise can adopt to enclose the fender and protect facing the limit of foundation ditch, plays and prevents that personnel, object from falling into in the foundation ditch.

At present, most foundation pit construction sites in China are loosely managed, so that off-site construction personnel can enter and exit the foundation pits at will, and in addition, the foundation pit construction sites generally adopt a manual attendance counting method, so that the problem of unclear attendance record is easily caused, and the construction company and workers are subjected to labor disputes and disputes.

It can be seen through above analysis that a foundation ditch that has entrance guard's attendance function encloses the fender in the foundation ditch setting at present lacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a keep off is enclosed to foundation ditch with entrance guard's attendance function to solve the defect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a keep off is enclosed to foundation ditch with entrance guard's attendance function, this foundation ditch encloses including stand, rail guard, guard gate, attendance subassembly, lock subassembly, wherein:

the upright column is fixed on the ground, the upright column comprises a fence upright column and a door upright column, base plates are arranged at the lower ends of the fence upright column and the door upright column, a base hole is formed in each base plate, side lug plates are arranged on the upper portion and the lower portion of the left side and the right side of the fence upright column respectively, side lug holes are formed in each side lug plate, and the side lug plates are arranged on the upper portion and the lower portion of one side of the door upright column respectively;

the guard rail comprises a rail frame, a plurality of vertical rods are arranged on the rail frame, the distance between every two adjacent vertical rods is equal, a rail baffle is arranged at the lower end of the rail frame, and the upper parts and the lower parts of the left side and the right side of the rail frame are respectively provided with the side ear plates;

the protective door is connected with the door upright post through a hinge and comprises a door frame, a plurality of vertical rods are arranged on the door frame, and a door baffle is arranged at the lower end of the door frame;

the attendance checking assembly is fixed on the protective door and comprises a shell, and a display screen, a key board, an induction sensor, a camera, a power supply, a controller, a face recognition sensor and a memory which are arranged on the shell, wherein the induction sensor and the camera are positioned above the display screen, the induction sensor is positioned on the left side of the camera, the key board is positioned below the display screen, a plurality of keys are arranged on the key board, the power supply is electrically connected with the controller through a connecting wire, the controller is respectively electrically connected with the camera, the display screen, the face recognition sensor, the induction sensor and the key board through connecting wires, the face recognition sensor is electrically connected with the memory through a connecting wire, and the display screen is electrically connected with the camera;

the lock assembly comprises electromagnetic lock and hasp, the hasp is fixed in on the door stand, the electromagnetic lock is fixed in on the door frame, the electromagnetic lock pass through the connecting wire with the looks electrical connection of controller.

Further, yellow primer is sprayed on the surfaces of the upright post, the protective guard and the protective door.

Further, warning paint arranged at intervals is sprayed on the yellow primer of the fence baffle and the door baffle, and the color of the warning paint is not limited to black and red.

Further, the base hole and the side ear holes are waist-shaped holes.

Further, the protective guard further comprises a warning board, the warning board is fixed on the vertical rod, and warning characters or patterns are printed on the warning board.

Further, the stand still includes the stand cap, the stand cap is detained the upper end of stand prevents that rainwater or dust from entering into in the stand.

Further, enclose and keep off still including loudspeaker, loudspeaker fix the guard gate door on the door frame, loudspeaker are located the right side of casing, loudspeaker pass through the connecting wire with controller looks electrical connection.

Furthermore, enclose and keep off still including the pilot lamp, the pilot lamp is fixed in guard gate the door frame is last, the pilot lamp is located the left side of casing, the pilot lamp pass through the connecting wire with controller looks electrical connection.

Further, the voltage of electromagnetic lock is 24V, the spring bolt stroke of electromagnetic lock is 10 mm.

The utility model discloses beneficial effect:

1. the utility model provides a foundation pit fence with entrance guard attendance function, this foundation pit fence includes stand, rail guard, guard gate, attendance subassembly, lock subassembly, the stand is fixed in subaerial, the stand includes fence stand and door stand, fence stand and the lower extreme of door stand all are equipped with the base plate, set up the base hole on the base plate, all be equipped with the side otic placode on the upper portion and the lower part of the left and right sides of fence stand, set up the side otic placode on the side otic placode, all be equipped with the side otic placode on the upper portion and the lower part of one side of door stand; the guard rail comprises a rail frame, a plurality of vertical rods are arranged on the rail frame, the distance between every two adjacent vertical rods is equal, a rail baffle is arranged at the lower end of the rail frame, and the upper parts and the lower parts of the left side and the right side of the rail frame are respectively provided with the side ear plates; the protective door is connected with the door upright post through a hinge and comprises a door frame, a plurality of vertical rods are arranged on the door frame, and a door baffle is arranged at the lower end of the door frame; meanwhile, the upright post, the protective door and the protective guard are designed into standard parts, so that the installation and the disassembly are convenient, the construction difficulty is reduced, and the construction progress is accelerated.

2. The utility model provides a foundation pit fence with entrance guard attendance function, which comprises a column, a protective guard, a protective door, an attendance component and a door lock component, wherein the attendance component comprises a shell, and a display screen, a key board, an inductive sensor, a camera, a power supply, a controller, a face recognition sensor and a memory which are arranged on the shell, the inductive sensor and the camera are arranged above the display screen, the inductive sensor is arranged at the left side of the camera, the key board is arranged below the display screen, a plurality of keys are arranged on the key board, the power supply is electrically connected with the controller through a connecting wire, the controller is respectively electrically connected with the camera, the display screen, the face recognition sensor, the inductive sensor and the key board through connecting wires, the face recognition sensor is electrically connected with the memory through a connecting wire, the display screen is electrically connected with the camera; the lock assembly is composed of an electromagnetic lock and a lock catch, the lock catch is fixed on the door stand column, the electromagnetic lock is fixed on the door frame, and the electromagnetic lock is electrically connected with the output end of the controller through a connecting wire. Above structure can carry out face identification to the workman that gets into in the foundation ditch through set up the attendance subassembly on the guard gate, and effective control business turn over field personnel are favorable to management and control building site personnel's business turn over, stop the outside idle personnel to get into, have ensured engineering quality and safety in production, and the time that the workman got into the foundation ditch job site is recorded to the attendance subassembly simultaneously, and managers makes the record of attendance work, reduces the emergence of labor dispute.

Drawings

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Fig. 1 is a schematic structural view of a fence according to a first embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic circuit diagram of the enclosure according to the first embodiment;

illustration of the drawings: 1-upright column; 11-column; 12-a door pillar; 13-a base plate; 14-side ear plate; 2, protecting the fence; 21-column frame; 22-a vertical rod; 23-column baffle; 24-a warning board; 3-a protective door; 31-a hinge; 32-a door frame; 33-door stops; 4-attendance checking component; 41-a housing; 411-front shell; 42-a display screen; 43-a keypad; 44-an inductive sensor; 45-a memory; 46-a camera; 47-a power supply; 48-a controller; 49-a face recognition sensor; 5-a door lock assembly; 51-an electromagnetic lock; 52-locking and buckling; 6-a loudspeaker; 7-indicator light.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.

To the problem that exists among the prior art, the utility model provides a keep off is enclosed to foundation ditch with entrance guard's attendance function, and the foundation ditch is the soil hole that is excavated according to basement elevation and basic plane size in basic design position, should enclose keep off be fixed in the foundation ditch all around subaerially. The foundation pit fence comprises a stand column, a protective fence, a protective door, an attendance checking assembly and a door lock assembly, and is specifically described as follows:

1-upright post, protective fence and protective door

The stand is fixed in subaerially, the stand includes fence stand and door stand, the fence stand with the lower extreme of door stand all is equipped with the base plate, the base hole has been seted up on the base plate, all be equipped with the side otic placode on the upper portion and the lower part of the left and right sides of fence stand, the side otic placode has been seted up on the side otic placode, all be equipped with on the upper portion and the lower part of one side of door stand the side otic placode.

In a specific application scene, the stand column is a thin-walled tube with a hollow structure, the thin-walled tube is made of a square steel tube, and the wall thickness of the square steel tube is not less than 3 mm.

The thin-wall pipe can be made of square steel pipes, square copper pipes, square aluminum pipes and the like, and the change of the thin-wall pipe material does not affect the protection range of the application as long as the material can be selected according to actual needs under the condition that the stability of the enclosure is not affected.

The guardrail comprises a guardrail frame, wherein the guardrail frame is provided with a plurality of vertical rods, the distance between every two adjacent vertical rods is equal, the lower end of the guardrail frame is provided with a guardrail baffle, and the upper parts and the lower parts of the left side and the right side of the guardrail frame are respectively provided with the side ear plates.

In a specific application scene, sundries on the ground can be effectively prevented from being hung into a foundation pit by strong wind by arranging the guardrail baffle at the lower end of the guardrail.

The guard gate pass through the hinge with the door stand is connected, the guard gate includes the door frame, be equipped with a plurality of on the door frame the montant, the lower extreme of door frame is equipped with a baffle.

In a specific application scene, sundries on the ground can be effectively prevented from being hung into a foundation pit by strong wind by arranging the door baffle at the lower end of the protective door.

Further, the base hole and the side ear holes are waist-shaped holes.

In a specific application scene, the warning words on the warning board are slogans such as strictly forbidden parabolic pictures and forbidden overlines.

In the specific application scene, the enclosure further comprises a cross revolving door, and the cross revolving door is located in front of the protective door, so that the situation that only one worker can pass through at a time is guaranteed.

2-attendance checking component

The attendance checking assembly is fixed in on the guard gate, the attendance checking assembly includes the casing, and install in display screen, keypad, inductive transducer, camera, power, controller, face identification sensor, memory on the casing, inductive transducer with the camera is located the top of display screen, inductive transducer is located the left side of camera, the keypad is located the below of display screen, be equipped with a plurality of button on the keypad, the power pass through the connecting wire with controller looks electrical connection, the controller pass through the connecting wire respectively with the camera the display screen face identification sensor, inductive transducer, keypad electrical connection, face identification sensor pass through the connecting wire with memory looks electrical connection, the display screen with camera looks electrical connection.

In a specific application scene, a screen hole, a key hole, a camera hole and an infrared hole are formed in the front shell, the display screen is located in the screen hole, the keys are embedded in the key hole, the camera is located in the camera hole, and the induction sensor is located in the infrared hole.

In the concrete application scene, because there is the difference in people's height, some people are higher, and some people are shorter, should enclose the fender and still include the step pad for the shorter workman of height uses during the temperature measurement to guarantee that the shorter workman's of height face is in the region of shining. If the higher workman of height during the temperature measurement, can suitably bow to make face to the attendance subassembly, guarantee that face is in the region that shines.

In a specific application scenario, the power supply comprises an internal power supply and an external power supply, the internal power supply is a lithium battery, and the external power supply is a power grid.

In the concrete application scene, when the attendance subassembly causes the electromagnetic lock not to open because of unusual reason, loudspeaker can accept the control of controller and report to the police to can remind relevant staff to intervene better, solve relevant problem with the mode of manual assistance.

In a specific application scene, when the attendance checking assembly is not opened due to abnormal reasons, the electromagnetic lock can be controlled by the indicator lamp to give an alarm, so that related workers can be better reminded of intervention, and related problems can be solved in a manual assistance mode.

3-door lock assembly

The door lock assembly comprises an electromagnetic lock and a lock catch (52), the lock catch (52) is fixed on the door upright post, the electromagnetic lock is fixed on the door frame, and the electromagnetic lock is electrically connected with the output end of the controller through a connecting wire.

Should enclose the installation fixed process of fender:

(1) the length and width of the foundation pit are measured, the position points where the stand columns are located and the specific positions of the protective doors are designed, so that the specific quantity required by the fence stand columns and the protective guards is calculated, and meanwhile, two door stand columns, one protective door, one attendance checking assembly and one door lock assembly are arranged.

(2) Each position point is placed to fence stand and door stand, and the base plate contacts with the concrete ground to penetrate the base plate hole through expansion bolts and squeeze into the underground, thereby fence stand and door stand are fixed in concrete subaerial.

(3) The guard rail is placed between adjacent guard columns or between a guard column and a door column, and bolts are sequentially passed through the side ear holes of the side ear plates of the guard rail and the side ear holes of the guard column or the side ear plate of the door column, thereby fixing the guard rail to the guard column and the door column.

One side of the protective door frame is fixed on one side of one of the door columns without the side ear plate through the hinge with the damping function, the number of the hinges is not less than 2, the electromagnetic lock is fixed on the other side of the protective door frame through the self-tapping screw, and meanwhile, the lock catch (52) is fixed on one side of the other door column without the side ear plate.

On being fixed in the montant of guard gate with the attendance subassembly through self tapping screw, the attendance subassembly is located the upper end of guard gate.

The working principle of the enclosure is as follows:

(1) and collecting and inputting the information of workers needing to enter the foundation pit construction site into the attendance checking assembly.

(2) Through set up the rail guard around the foundation ditch, make the workman can only pass through the guard gate business turn over foundation ditch, walk the guard gate outside when the workman gets into the foundation ditch, the workman stands in front of attendance subassembly, enter into the region of shining, inductive transducer senses someone when entering into the region of shining, opening of controller control camera and touch display screen, then the camera shows the people's face on touch display screen, the while control ware utilizes face identification sensor to contrast the image of gathering, open by the electromagnetic lock of controller control after the contrast is passed through, allow personnel to get into the foundation ditch, do not pass through when the contrast, the loudspeaker and the pilot lamp that receive controller control send the warning, request relevant staff intervene, solve relevant problem with artifical supplementary mode.

The first embodiment is as follows:

based on above-mentioned design, as shown in fig. 1-3, the utility model provides a keep off is enclosed to foundation ditch with entrance guard's attendance function, and this foundation ditch encloses including stand 1, rail guard 2, guard gate 3, attendance subassembly 4, lock subassembly 5, wherein:

as shown in fig. 1, the upright column 1 is fixed on the ground, the upright column 1 includes a fence upright column 11 and a door upright column 1, the lower ends of the fence upright column 11 and the door upright column 1 are both provided with a base plate 13, the base plate 13 is provided with a base hole, the upper part and the lower part of the left side and the right side of the fence upright column 11 are both provided with side ear plates 14, the side ear plates 14 are provided with side ear holes, and the upper part and the lower part of one side of the door upright column 1 are both provided with the side ear plates 14;

as shown in fig. 1, the guard rail 2 includes a rail frame 21, a plurality of vertical rods 22 are disposed on the rail frame 21, the distance between every two adjacent vertical rods 22 is equal, a rail baffle 23 is disposed at the lower end of the rail frame 21, and the side ear plates 14 are disposed on the upper portion and the lower portion of the left side and the right side of the rail frame 21;

as shown in fig. 1, the protective door 3 is connected to the door pillar 1 through a hinge 31, the protective door 3 includes a door frame 32, a plurality of vertical rods 22 are arranged on the door frame 32, and a door baffle 33 is arranged at the lower end of the door frame 32;

the attendance checking assembly 4 is fixed on the protective door, as shown in fig. 2, the attendance checking assembly 4 comprises a shell 41, and a display screen 42, a key board 43, an induction sensor 44, a camera 46, a power supply 47, a controller 48, a face recognition sensor 49 and a memory 45 which are arranged on the shell 41, as shown in fig. 3, the induction sensor 44 and the camera 46 are positioned above the display screen 42, the induction sensor 44 is positioned on the left side of the camera 46, the key board 43 is positioned below the display screen 42, the key board 43 is provided with a plurality of keys, the power supply 47 is electrically connected with the controller 48 through a connecting wire, the controller 48 is electrically connected with the camera 46, the display screen 42, the face recognition sensor 49, the induction sensor 44 and the key board 43 respectively through connecting wires, the face recognition sensor 49 is electrically connected with the memory 45 through a connecting wire, the display screen 42 is electrically connected to the camera 46;

as shown in fig. 1, the door lock assembly 5 includes an electromagnetic lock 51 and a latch 52, the latch 52 is fixed to the door post 1, the electromagnetic lock 51 is fixed to the door frame 32, and the electromagnetic lock 51 is electrically connected to an output terminal of the controller 48 through a connection line.

Further, yellow primer is sprayed on the surfaces of the upright post 1, the guard rail 2 and the guard door 3.

Further, warning paints are sprayed on the yellow primer of the fence baffle 23 and the door baffle 33 at intervals, and the color of the warning paints is not limited to black and red.

Further, the base hole and the side ear holes are waist-shaped holes.

Further, as shown in fig. 1, the guard rail 2 further includes a warning board 24, the warning board 24 is fixed on the vertical rod 22, and warning words or patterns are printed on the warning board 24.

Further, stand 1 still includes the stand cap, the stand cap is detained the upper end of stand 1 prevents that rainwater or dust from entering into in the stand 1.

Further, as shown in fig. 3, the enclosure further includes a speaker 6, the speaker 6 is fixed on the door frame of the protective door, the speaker 6 is located on the right side of the housing 41, and the speaker 6 is electrically connected to the controller 48 through a connection line.

Further, as shown in fig. 3, the enclosure further includes an indicator light 7, the indicator light 7 is fixed on the door frame of the protective door, the indicator light 7 is located on the left side of the housing 41, and the indicator light 7 is electrically connected to the controller 48 through a connection line.

Further, the voltage of the electromagnetic lock 51 is 48V, and the bolt stroke of the electromagnetic lock 51 is 10mm

Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to implement the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above disclosure is only a concrete implementation scenario of the present invention, however, the present invention is not limited to this, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The utility model provides a keep off is enclosed to foundation ditch with entrance guard's attendance function, its characterized in that, this foundation ditch encloses including stand (1), rail guard (2), guard gate (3), attendance subassembly (4), lock subassembly (5), wherein:

the upright post (1) is fixed on the ground, the upright post (1) comprises a fence upright post (11) and a door upright post (12), base plates (13) are arranged at the lower ends of the fence upright post (11) and the door upright post (12), base holes are formed in the base plates (13), side ear plates (14) are arranged on the upper portion and the lower portion of the left side and the right side of the fence upright post (11), side ear holes are formed in the side ear plates (14), and the side ear plates (14) are arranged on the upper portion and the lower portion of one side of the door upright post (12);

the guard rail (2) comprises a rail frame (21), a plurality of vertical rods (22) are arranged on the rail frame (21), the distance between every two adjacent vertical rods (22) is equal, a rail baffle (23) is arranged at the lower end of the rail frame (21), and the upper parts and the lower parts of the left side and the right side of the rail frame (21) are respectively provided with the side ear plates (14);

the protective door (3) is connected with the door upright post (12) through a hinge (31), the protective door (3) comprises a door frame (32), a plurality of vertical rods (22) are arranged on the door frame (32), and a door baffle (33) is arranged at the lower end of the door frame (32);

attendance subassembly (4) are fixed in on the guard gate, attendance subassembly (4) include casing (41), and install in display screen (42), keypad (43), inductive sensor (44), camera (46), power (47), controller (48), face identification sensor (49), memory (45) on casing (41), inductive sensor (44) with camera (46) are located the top of display screen (42), inductive sensor (44) are located the left side of camera (46), keypad (43) are located the below of display screen (42), be equipped with a plurality of button on keypad (43), power (47) through the connecting wire with controller (48) looks electrical connection, controller (48) through the connecting wire respectively with camera (46), display screen (42), The face recognition sensor (49), the induction sensor (44) and the key board (43) are electrically connected, the face recognition sensor (49) is electrically connected with the memory (45) through a connecting wire, and the display screen (42) is electrically connected with the camera (46);

the door lock assembly (5) comprises an electromagnetic lock (51) and a lock catch (52), the lock catch (52) is fixed on the door upright post (12), the electromagnetic lock (51) is fixed on the door frame (32), and the electromagnetic lock (51) is electrically connected with the output end of the controller (48) through a connecting wire.

2. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the surfaces of the upright posts (1), the guard rail (2) and the protective door (3) are coated with yellow primer.

3. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 2, wherein warning paints are sprayed on the yellow primers of the fence baffle (23) and the door baffle (33) at intervals, and the warning paints are black or red in color.

4. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the base hole and the side lug holes are waist-shaped holes.

5. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the guard rail (2) further comprises a warning board (24), the warning board (24) is fixed on the vertical rod (22), and warning words or patterns are printed on the warning board (24).

6. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the upright column (1) further comprises an upright column cap, and the upright column cap is buckled at the upper end of the upright column (1) to prevent rainwater or dust from entering the upright column (1).

7. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the fence further comprises a loudspeaker (6), the loudspeaker (6) is fixed on the door frame of the protective door, the loudspeaker (6) is positioned on the right side of the shell (41), and the loudspeaker (6) is electrically connected with the controller (48) through a connecting wire.

8. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the fence further comprises an indicator light (7), the indicator light (7) is fixed on the door frame of the protective door, the indicator light (7) is located on the left side of the shell (41), and the indicator light (7) is electrically connected with the controller (48) through a connecting wire.

9. The foundation pit fence with entrance guard and attendance checking functions as claimed in claim 1, wherein the voltage of the electromagnetic lock (51) is 48V, and the bolt stroke of the electromagnetic lock (51) is 10 mm.