CN213876968U

CN213876968U - Entrance door security device

Info

Publication number: CN213876968U
Application number: CN202023217378.7U
Authority: CN
Inventors: 胡芳
Original assignee: Zhejiang Xinli Door Industry Co ltd
Current assignee: Zhejiang Xinli Door Industry Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-03
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a security device for entrance doors, which comprises a door frame, a detection component, a locking component, a rotating component and a connecting component; door frame: the inner part of the door plate is connected with a door plate through a hinge, and an installation cavity is formed in the door plate; a detection component: contain spout, bar chamber, first motor, baffle, threaded rod, slide bar, display and camera, spout and bar chamber have been seted up on the leading flank of door plant, the internally mounted in bar chamber has first motor, the inside of spout is provided with the baffle, the right side limit portion of baffle sets up threaded groove, the inside threaded connection that the threaded groove was led to the screw thread has the threaded rod, the output shaft of first motor is connected to the upper end of threaded rod, the lower extreme of threaded rod rotates to be connected on the inside lower lateral wall of spout, the through-hole has been seted up to the left side limit portion of baffle, can in time remind the user to can prevent effectively that the violence from breaking the door.

Description

Entrance door security device

Technical Field

The utility model relates to a security protection technical field specifically is a entrance door security protection device.

Background

Safety protection is an important problem in the current society, in the prior art, burglary is already common, and more seriously, direct injury cases brought by burglary after being discovered are rather headache, at present, a security device used in a house of people is generally in a local alarm mode, when a householder goes out, once a burglary event happens in the house, the current security device cannot inform the householder in time, and when a thief violently breaks the door and enters the house to steal, the user cannot be prevented even if the message is obtained.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an entry door security protection device, can in time remind the user to can prevent effectively that the violence from breaking the door, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a entrance door security device comprises a door frame, a detection assembly, a locking assembly, a rotating assembly and a connecting assembly;

door frame: the inner part of the door plate is connected with a door plate through a hinge, and an installation cavity is formed in the door plate;

a detection component: the door comprises a sliding groove, a strip-shaped cavity, a first motor, a baffle, a threaded rod, a sliding rod, a display and a camera, wherein the sliding groove and the strip-shaped cavity are formed in the front side surface of a door plate, the first motor is installed inside the strip-shaped cavity, the baffle is arranged inside the sliding groove, a threaded through groove is formed in the right side edge of the baffle, the threaded rod is in threaded connection with the inside of the threaded through groove, the upper end of the threaded rod is connected with an output shaft of the first motor, the lower end of the threaded rod is rotatably connected to the lower side wall inside the sliding groove, a through hole is formed in the left side edge of the baffle, the sliding rod is connected inside the through hole in a sliding mode, the sliding rod is fixed inside the sliding groove, the display and the camera are installed on the rear side wall inside the sliding groove, and a user is shot through the detection assembly;

locking the assembly: the door frame comprises two bidirectional screw rods, a first connecting block, a first gear ring, a first clamping hole and a first clamping column, wherein two corresponding bidirectional screw rods are rotatably connected inside the mounting cavity, two corresponding first connecting blocks are arranged at two ends of each bidirectional screw rod, a threaded hole is formed in the edge of each first connecting block, the threads of the two threaded holes are opposite, the bidirectional screw rods are in threaded connection inside the two threaded holes, the first gear ring is fixed on the circumferential surface of each bidirectional screw rod, four corresponding first clamping holes are formed in the side surface of the door frame, the first clamping column is slidably connected inside the first clamping hole, the first clamping column is fixed on the side surface of the first connecting block, and the door plate is locked by the locking component;

a rotating assembly: the two-way screw rod installation structure comprises fixed blocks, a second motor, a rotating shaft, a second gear ring and a toothed belt, wherein the two corresponding fixed blocks are fixed inside an installation cavity, the second motor is installed on the left side face of the fixed block on the left side, an output shaft of the second motor is fixed on the left end face of the rotating shaft, the right end of the rotating shaft is rotatably connected to the left side face of the fixed block on the right side, the second gear ring is fixed on the circumferential face of the rotating shaft, the second gear ring is connected with the two first gear rings through the toothed belt, and the two-way screw rods are driven to rotate through the arrangement of a rotating assembly;

connecting components: comprises a fixed plate, a connecting rod, a supporting block, a spring, a connecting strip, a second clamping hole, a second clamping column and a cam, the fixed plate is fixed at the left end in the installation cavity, the middle part of the fixed plate is provided with a sliding hole, the inside of the sliding part is connected with a connecting rod in a sliding way, a supporting block is fixed on the right side surface of the connecting rod, the circumferential surface of the connecting rod is sleeved with a spring, the left end of the spring is fixed on the right side surface of the fixed plate, the right end of the spring is fixed on the left side surface of the supporting block, the left side surface of the connecting rod is fixed with a connecting strip, three corresponding second clamping columns are fixed on the left side surface of the connecting strip, three corresponding second clamping holes are formed on the left side surface of the door frame, the second clamping hole corresponds to the second clamping column, a cam is rotatably connected inside the mounting cavity, and the door plate is preliminarily locked by arranging the connecting assembly;

wherein: still include data memory, loudspeaker, PLC controller and vibration sensor, data memory, loudspeaker and PLC controller are all installed on the trailing flank of door plant, vibration sensor installs the inside at the installation cavity, external power source's output is connected to PLC controller's input electricity, the input of first motor, display, second motor and loudspeaker is connected to PLC controller's output electricity respectively, PLC controller respectively with camera and the two-way electricity of data memory connection.

Furthermore, a mounting groove is formed in the door plate, a third motor is mounted inside the mounting groove, an output shaft of the third motor is fixed to the front end face of the cam, an input end of the third motor is electrically connected with an output end of the PLC, and the third motor is arranged to drive the cam to rotate.

Further, the inside of installation cavity is fixed with the mount pad, install electric telescopic handle on the downside of mount pad, be fixed with the closing plate on electric telescopic handle's the flexible arm, fixed logical groove on the leading flank of door plant, the inside in fixed logical groove is fixed with fixed frame, the logical groove that slides has been seted up on the last side of fixed frame, closing plate sliding connection is in the inside that the logical groove slides, the output of PLC controller is connected to electric telescopic handle's input electricity, drives the closing plate through setting up electric telescopic handle and removes.

Furthermore, eight corresponding second connecting blocks are fixed on the left side and the right side of the door frame, and connecting holes are formed in the middle of the second connecting blocks.

Furthermore, a groove is formed in the front side face of the door plate, an infrared transmitter and an infrared receiver are arranged inside the groove, the input end of the infrared transmitter is electrically connected with the output end of the PLC, and the infrared receiver is electrically connected with the PLC in a two-way mode.

Further, the inside of recess is fixed with the transparent plate, the transparent plate is located infrared emitter and infrared receiver's front end, protects infrared emitter and infrared receiver through setting up the transparent plate.

Furthermore, a pull rod is fixed on the front side face of the door panel, and a rubber sleeve is fixed on the circumferential surface of the pull rod.

Further, be fixed with the slant board on the inside last side of door frame, install the light on the last side of door frame, the output of PLC controller is connected to the input electricity of light, throws light on to the user through setting up the light.

Compared with the prior art, the beneficial effects of the utility model are that: this entry door security protection device has following benefit:

1. firstly, inputting photo data of a user into the data storage, when a person comes from the outside, the infrared emitter emits an infrared signal, the infrared emitter emits the infrared signal to irradiate the person to the outside through the transparent plate and then is reflected by the human body, the reflected infrared signal is received by the infrared receiver, the infrared receiver receives the infrared signal and then sends the signal to the PLC controller, the PLC controller receives the signal and then automatically controls the work of the illuminating lamp and the camera, the illuminating lamp provides illumination for the user, the camera works to shoot the user, the shot image data is sent to the PLC controller, the PLC controller compares the data with the data stored in the data storage after receiving the data, when the data are consistent, the PLC controller drives the third motor to work, the third motor works to drive the cam to rotate, and the cam rotates to enable the supporting block to move rightwards under the action of the spring, the supporting block moves rightwards to drive the three second clamping columns to move rightwards to be separated from the three second clamping holes, then a user can conveniently open the door plate, and the door plate can be automatically opened by arranging the device;

2. when the photo data are not matched, the PLC controller automatically controls the loudspeaker to work, the loudspeaker works to remind an internal user of an external visitor, and the device can remind the user in time when the external visitor comes;

3. when an external person breaks the door violently, the door plate vibrates under the action of impact, the generated vibration is received by the vibration sensor, the vibration sensor receives a vibration signal and then sends the signal to the PLC controller, the PLC controller receives the vibration signal and then automatically controls the camera, the first motor and the second motor to work, the camera works to shoot the external person, the picture is conveyed to the inside of the data storage device to be stored after being shot, the alarm can be given through the picture after a user goes home, the first motor rotates to drive the threaded rod to rotate, the threaded rod rotates to drive the baffle to move upwards to close the chute, the camera and the display screen are protected after the chute is closed, the second motor works to drive the two first gear rings to rotate, the two first gear rings rotate to drive the two-way screw rods to rotate, the two-way screw rods rotate to drive the four first connecting blocks to move, four first connecting blocks remove to drive four first card posts and remove the inside that enters into four first card holes and die the door plant lock, make through setting up above the device the utility model discloses can protect the electrical apparatus original paper of self when suffering from violence broken door, can collect evidence moreover, make things convenient for subsequent warning to can die the door plant lock.

Drawings

FIG. 1 is a schematic front side view of the present invention;

FIG. 2 is a schematic structural view of the detecting assembly of the present invention;

fig. 3 is a rear sectional view of the present invention;

FIG. 4 is an enlarged view of the position A of the present invention;

FIG. 5 is an enlarged view of the position B of the present invention;

FIG. 6 is an enlarged view of the position C of the present invention;

fig. 7 is a schematic structural view of a third motor of the present invention;

fig. 8 is a schematic view of the rear side structure of the present invention;

fig. 9 is a schematic view of the structure of the lighting lamp of the present invention.

In the figure: 1 door frame, 2 door panels, 3 detection components, 31 sliding grooves, 32 strip-shaped cavities, 33 first motors, 34 baffle plates, 35 threaded rods, 36 sliding rods, 37 displays, 38 cameras, 4 mounting cavities, 5 locking components, 51 two-way screws, 52 first connecting blocks, 53 first gear rings, 54 first clamping holes, 55 first clamping columns, 6 rotating components, 61 fixed blocks, 62 second motors, 63 rotating shafts, 64 second gear rings, 65 toothed belts, 7 connecting components, 71 fixed plates, 72 connecting rods, 73 supporting blocks, 74 springs, 75 connecting strips, 76 second clamping holes, 77 second clamping columns, 78 cams, 8 data storages, 9 horns, 10PLC controllers, 11 mounting grooves, 12 third motors, 13 fixed frames, 14 mounting seats, 15 electric telescopic rods, 16 sealing plates, 17 second connecting blocks, 18 connecting holes, 19 grooves, 20 infrared emitters, 21 infrared receivers, 17 infrared receivers, 18 connecting rods, 13 connecting grooves, 13 infrared emitters and the like, 22 transparent plates, 23 pull rods, 24 rubber sleeves, 25 inclined plates, 26 illuminating lamps and 27 vibration sensors.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a entrance door security device comprises a door frame 1, a detection component 3, a locking component 5, a rotating component 6 and a connecting component 7;

door frame 1: the interior of the door panel 2 is connected with a door panel 2 through a hinge, and an installation cavity 4 is formed in the interior of the door panel 2;

the detection assembly 3: the door plate comprises a sliding groove 31, a strip-shaped cavity 32, a first motor 33, a baffle 34, a threaded rod 35, a sliding rod 36, a display 37 and a camera 38, the sliding groove 31 and the strip-shaped cavity 32 are formed in the front side surface of the door plate 2, the first motor 33 is installed inside the strip-shaped cavity 32, the baffle 34 is arranged inside the sliding groove 31, a threaded through groove is formed in the right side edge of the baffle 34, the threaded rod 35 is connected to the inner thread of the threaded through groove, the upper end of the threaded rod 35 is connected with an output shaft of the first motor 33, the lower end of the threaded rod 35 is rotatably connected to the lower side wall inside the sliding groove 31, a through hole is formed in the left side edge of the baffle 34, the sliding rod 36 is connected inside the sliding groove 36 in a sliding mode, the sliding rod 36 is fixed inside the sliding groove 31, the display 37 and the camera 38 are installed on the rear side wall inside the sliding groove 31, and a user can be shot by arranging the detection assembly 3;

the locking assembly 5: the door frame comprises a bidirectional screw 51, a first connecting block 52, a first gear ring 53, a first clamping hole 54 and a first clamping column 55, wherein the inside of the mounting cavity 4 is rotatably connected with two corresponding bidirectional screws 51, two ends of the bidirectional screw 51 are provided with two corresponding first connecting blocks 52, the edge of the first connecting block 52 is provided with a threaded hole, the threads of the two threaded holes are opposite, the bidirectional screw 51 is in threaded connection with the insides of the two threaded holes, the circumferential surface of the bidirectional screw 51 is fixedly provided with the first gear ring 53, the side surface of the door frame 1 is provided with four corresponding first clamping holes 54, the inside of the first clamping hole 54 is slidably connected with the first clamping column 55, the first clamping column 55 is fixed on the side surface of the first connecting block 52, and the door plate 2 is locked by the locking component 5;

the rotating assembly 6: the two-way screw installation structure comprises fixed blocks 61, a second motor 62, a rotating shaft 63, a second gear ring 64 and a toothed belt 65, wherein two corresponding fixed blocks 61 are fixed inside an installation cavity 4, the second motor 62 is installed on the left side surface of the left fixed block 61, an output shaft of the second motor 62 is fixed on the left end surface of the rotating shaft 63, the right end of the rotating shaft 63 is rotatably connected to the left side surface of the right fixed block 61, the second gear ring 64 is fixed on the circumferential surface of the rotating shaft 63, the second gear ring 64 is connected with the two first gear rings 53 through the toothed belt 65, and the two-way screws 51 are driven to rotate through the rotation assembly 6;

the connecting assembly 7: comprises a fixing plate 71, a connecting rod 72, a supporting block 73 and a spring 74, the door frame comprises a connecting strip 75, a second clamping hole 76, a second clamping column 77 and a cam 78, wherein the fixing plate 71 is fixed at the left end inside the installation cavity 4, the middle part of the fixing plate 71 is provided with a sliding hole, the sliding inside is connected with the connecting rod 72 in a sliding manner, the right side surface of the connecting rod 72 is fixedly provided with a supporting block 73, the circumferential surface of the connecting rod 72 is sleeved with a spring 74, the left end of the spring 74 is fixed on the right side surface of the fixing plate 71, the right end of the spring 74 is fixed on the left side surface of the supporting block 73, the left side surface of the connecting rod 72 is fixedly provided with the connecting strip 75, the left side surface of the connecting strip 75 is fixedly provided with three corresponding second clamping columns 77, the left side surface of the door frame 1 is provided with three corresponding second clamping holes 76, the second clamping holes 76 correspond to the second clamping columns 77, the inside of the installation cavity 4 is rotatably connected;

wherein: still include data memory 8, loudspeaker 9, PLC controller 10 and vibration sensor 27, data memory 8, loudspeaker 9 and PLC controller 10 are all installed on the trailing flank of door plant 2, vibration sensor 27 installs the inside at installation cavity 4, external power source's output is connected to PLC controller 10's input electricity, first motor 33 is connected respectively to PLC controller 10's output electricity, display 37, the input of second motor 62 and loudspeaker 9, PLC controller 10 is respectively with

camera

38 and 8 two-way electric connections of data memory.

Mounting groove 11 has been seted up to door plant 2's inside, and the internally mounted of mounting groove 11 has third motor 12, and the output shaft of third motor 12 is fixed on the preceding terminal surface of cam 78, and the output of PLC controller 10 is connected to the input electricity of third motor 12, drives cam 78 through setting up third motor 12 and rotates.

The inside of installation cavity 4 is fixed with mount pad 14, install electric telescopic handle 15 on the downside of mount pad 14, be fixed with closing plate 16 on electric telescopic handle 15's the flexible arm, fixed logical groove on door plant 2's the leading flank, the inside in fixed logical groove is fixed with fixed frame 13, the last side of fixed frame 13 has been seted up the slip logical groove, closing plate 16 sliding connection is in the inside in slip logical groove, PLC controller 10's output is connected to electric telescopic handle 15's input electricity, drive closing plate 16 through setting up electric telescopic handle and remove.

Eight corresponding second connecting blocks 17 are fixed on the left side and the right side of the door frame 1, and a connecting hole 18 is formed in the middle of each second connecting block 17.

The front side of the door plate 2 is provided with a groove 19, an infrared emitter 20 and an infrared receiver 21 are arranged in the groove 19, the input end of the infrared emitter 20 is electrically connected with the output end of the PLC 10, and the infrared receiver 21 is electrically connected with the PLC 10 in a two-way mode.

A transparent plate 22 is fixed inside the groove 19, the transparent plate 22 is positioned at the front ends of the infrared emitter 20 and the infrared receiver 21, and the infrared emitter 20 and the infrared receiver 21 are protected by arranging the transparent plate 22.

A pull rod 23 is fixed on the front side surface of the door panel 2, and a rubber sleeve 24 is fixed on the circumferential surface of the pull rod 23.

Be fixed with the slant board 25 on the inside last side of door frame 1, install light 26 on the last side of door frame 1, the output of PLC controller 10 is connected to the input electricity of light 26, throws light on to the user through setting up light 26.

When in use: firstly, photo data of a user is input into the data storage 8, when a person comes from the outside, an infrared signal is emitted from the infrared emitter 10, the infrared signal is irradiated to the outside person through the transparent plate 22 and then reflected by the human body, the reflected infrared signal is received by the infrared receiver 21, the infrared receiver 21 receives the infrared signal and then sends the signal to the PLC controller 10, the PLC controller 10 receives the signal and then automatically controls the operation of the illuminating lamp 26 and the camera 38, the illuminating lamp 26 provides illumination for the user, the camera 38 operates to shoot the user, the shot image data is sent to the PLC controller 10, the PLC controller 10 receives the data and then compares the data with the data stored in the data storage 8, when the data are consistent, the PLC controller 10 drives the third motor 12 to operate, the third motor 12 operates to drive the cam 78 to rotate, the cam 78 rotates to enable the supporting block 73 to move rightwards under the action of the spring 74, the supporting block 73 moves rightwards to drive the three second clamping columns 77 to move rightwards to be separated from the three second clamping holes 76, then a user can conveniently open the door panel 2, when picture data are not matched, the PLC 10 automatically controls the loudspeaker 9 to work, the loudspeaker 9 works to remind an internal user of coming people, when an external person breaks the door violently, the door panel 2 vibrates under the action of impact, the generated vibration is received by the vibration sensor 27, the vibration sensor 27 receives a vibration signal and then sends the signal to the PLC 10, the PLC 10 receives the vibration signal and then automatically controls the camera 38, the first motor 33 and the second motor 62 to work, the camera 38 works to take pictures of the external person, and the pictures are conveyed to the inside of the data storage 8 to be stored, can report to the police through the photo after the user goes home, first motor 33 rotates and drives threaded rod 35 and rotate, threaded rod 35 rotates and drives baffle 34 upward movement and closes spout 31, spout 31 protects camera 38 and display screen 37 after closing, second motor 62 work drives two first gear rings 53 and rotates, two first gear rings 53 rotate and drive two-way screw rods 51 and rotate, two-way screw rods 51 rotate and drive four first connecting blocks 52 and remove, four first connecting blocks 52 remove and drive four first calorie of post 55 and remove the inside that enters into four first calorie of holes 54 and lock door plant 2.

It should be noted that the specific model of the PLC controller 10 disclosed in this embodiment is siemens S7-200, the first motor 33, the display 37, the camera 38, the second motor 62, the data storage 8, the speaker 9, the electric telescopic rod 15, the infrared emitter 20, the infrared receiver 21, the illuminating lamp 26, and the vibration sensor 27 may be freely configured according to the actual application scenario, and the PLC controller 10 controls the first motor 33, the display 37, the second motor 62, the speaker 9, the electric telescopic rod 15, the infrared emitter 20, and the illuminating lamp 26 to operate by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a door security protection device that enters one's residence which characterized in that: comprises a doorframe (1), a detection component (3), a locking component (5), a rotating component (6) and a connecting component (7);

door frame (1): the inner part of the door panel (2) is connected with the door panel (2) through a hinge, and an installation cavity (4) is formed in the door panel (2);

detection assembly (3): contain spout (31), bar chamber (32), first motor (33), baffle (34), threaded rod (35), slide bar (36), display (37) and camera (38), spout (31) and bar chamber (32) have been seted up on the leading flank of door plant (2), the internally mounted of bar chamber (32) has first motor (33), the inside of spout (31) is provided with baffle (34), the right side portion of baffle (34) is seted up the screw thread logical groove, the inside threaded connection of screw thread logical groove has threaded rod (35), the output shaft of first motor (33) is connected to the upper end of threaded rod (35), the lower extreme of threaded rod (35) rotates and connects on the lower lateral wall of spout (31) inside, the left side portion of baffle (34) has seted up the through-hole, the inside sliding connection of through-hole has slide bar (36), slide bar (36) are fixed in the inside of spout (31), a display (37) and a camera (38) are mounted on the rear side wall inside the sliding groove (31);

deadlocking assembly (5): comprises a bidirectional screw rod (51), a first connecting block (52), a first gear ring (53), a first clamping hole (54) and a first clamping column (55), two corresponding bidirectional screw rods (51) are rotatably connected in the installation cavity (4), two corresponding first connecting blocks (52) are arranged at two ends of the bidirectional screw (51), the edge part of the first connecting block (52) is provided with a threaded hole, the threads of the two threaded holes are opposite, the bidirectional screw (51) is in threaded connection with the inner parts of the two threaded holes, a first gear ring (53) is fixed on the circumferential surface of the bidirectional screw (51), the side surface of the doorframe (1) is provided with four corresponding first clamping holes (54), a first clamping column (55) is connected inside the first clamping hole (54) in a sliding way, the first clamping column (55) is fixed on the side surface of the first connecting block (52);

rotating assembly (6): the gear transmission mechanism comprises fixing blocks (61), a second motor (62), a rotating shaft (63), a second gear ring (64) and a toothed belt (65), wherein the two corresponding fixing blocks (61) are fixed inside a mounting cavity (4), the second motor (62) is mounted on the left side surface of the left fixing block (61), an output shaft of the second motor (62) is fixed on the left end surface of the rotating shaft (63), the right end of the rotating shaft (63) is rotatably connected to the left side surface of the right fixing block (61), the second gear ring (64) is fixed on the circumferential surface of the rotating shaft (63), and the second gear ring (64) is connected with the two first gear rings (53) through the toothed belt (65);

connection assembly (7): comprises a fixed plate (71), a connecting rod (72), a supporting block (73), a spring (74), a connecting strip (75), a second clamping hole (76), a second clamping column (77) and a cam (78), wherein the fixed plate (71) is fixed at the left end inside an installation cavity (4), a sliding hole is formed in the middle of the fixed plate (71), the sliding inner part is connected with the connecting rod (72) in a sliding manner, the supporting block (73) is fixed on the right side surface of the connecting rod (72), the spring (74) is sleeved on the circumferential surface of the connecting rod (72), the left end of the spring (74) is fixed on the right side surface of the fixed plate (71), the right end of the spring (74) is fixed on the left side surface of the supporting block (73), the connecting strip (75) is fixed on the left side surface of the connecting rod (72), three corresponding second clamping columns (77) are fixed on the left side surface of the connecting strip (75), three corresponding second clamping holes (76) are formed in the left side face of the doorframe (1), the second clamping holes (76) correspond to second clamping columns (77), and a cam (78) is rotatably connected inside the installation cavity (4);

wherein: still include data memory (8), loudspeaker (9), PLC controller (10) and vibration sensor (27), data memory (8), loudspeaker (9) and PLC controller (10) are all installed on the trailing flank of door plant (2), the inside at installation cavity (4) is installed in vibration sensor (27), external power source's output is connected to the input electricity of PLC controller (10), the input of first motor (33), display (37), second motor (62) and loudspeaker (9) is connected to the output electricity respectively of PLC controller (10), PLC controller (10) respectively with camera (38) and data memory (8) two-way electricity be connected.

2. The entrance door security device of claim 1, wherein: mounting groove (11) have been seted up to the inside of door plant (2), the internally mounted of mounting groove (11) has third motor (12), the output shaft of third motor (12) is fixed on the preceding terminal surface of cam (78), the output of PLC controller (10) is connected to the input electricity of third motor (12).

3. The entrance door security device of claim 1, wherein: the utility model discloses a safety door lock, including installation cavity (4), install electric telescopic handle (15) on the downside of installation cavity (4), be fixed with closing plate (16) on the flexible arm of electric telescopic handle (15), fixed logical groove on the leading flank of door plant (2), the inside in fixed logical groove is fixed with fixed frame (13), the logical groove that slides has been seted up on the last side of fixed frame (13), closing plate (16) sliding connection is in the inside that the logical groove slides, the output of PLC controller (10) is connected to the input electricity of electric telescopic handle (15).

4. The entrance door security device of claim 1, wherein: eight corresponding second connecting blocks (17) are fixed on the left side and the right side of the door frame (1), and connecting holes (18) are formed in the middle of the second connecting blocks (17).

5. The entrance door security device of claim 1, wherein: the door plate is characterized in that a groove (19) is formed in the front side face of the door plate (2), an infrared transmitter (20) and an infrared receiver (21) are arranged inside the groove (19), the input end of the infrared transmitter (20) is electrically connected with the output end of the PLC (10), and the infrared receiver (21) is electrically connected with the PLC (10) in a two-way mode.

6. The entrance door security device of claim 5, wherein: a transparent plate (22) is fixed inside the groove (19), and the transparent plate (22) is positioned at the front ends of the infrared emitter (20) and the infrared receiver (21).

7. The entrance door security device of claim 1, wherein: a pull rod (23) is fixed on the front side surface of the door panel (2), and a rubber sleeve (24) is fixed on the circumferential surface of the pull rod (23).

8. The entrance door security device of claim 1, wherein: the door frame is characterized in that an inclined plate (25) is fixed on the upper side face inside the door frame (1), an illuminating lamp (26) is installed on the upper side face of the door frame (1), and the input end of the illuminating lamp (26) is electrically connected with the output end of the PLC (10).