CN210428449U

CN210428449U - Computer encryption device

Info

Publication number: CN210428449U
Application number: CN201922085654.XU
Authority: CN
Inventors: 韩祺祎; 游磊; 苗放
Original assignee: Chengdu University
Current assignee: Chengdu University
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-04-28
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a computer encryption device, which comprises an installation box with an opening at one side, wherein a box door is installed at the opening of the installation box through a locking plate with a locking hole, the top and the bottom of the installation box are respectively provided with a first locking device for locking the box door, and the top and the bottom of the inner side of the installation box are respectively provided with a second locking device for locking the locking end of the first locking device; the top of the outer side of the installation box is also provided with an electronic password disk connected with a first locking device and a second locking device, the inner side of the box door is provided with a glass layer internally provided with a metal mesh in parallel, and the glass layer is provided with a vibration sensor connected with the second locking device; the utility model discloses have and effectively protect the main frame of computer and through first locking device and second locking device locking chamber door through the install bin, effectively avoid the main frame of computer to lose or the beneficial effect who is stolen inside data.

Description

Computer encryption device

Technical Field

The utility model belongs to the technical field of the computer encrypts, concretely relates to computer encryption device.

Background

The main frame stores important information and performs core calculation work, the existing main frame box is generally and directly placed outside, and external personnel can directly steal the main frame or destroy or steal the main frame or the internal hard disk and other important information storage components, thereby causing information leakage. Therefore, lack encryption protection device to traditional main frame, the utility model discloses a computer encryption device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a computer encryption device holds and protects the main frame through the install bin, carries out the double-locking through first locking device and second locking device to the chamber door simultaneously, and the safety of the main frame that effectively protects to be located the install bin inside.

The utility model discloses a following technical scheme realizes:

a computer encryption device comprises an installation box with an opening at one side, wherein a box door is installed at the opening of the installation box through a locking plate with a locking hole, the top and the bottom of the installation box are respectively provided with a first locking device for locking the box door, and the top and the bottom of the inner side of the installation box are respectively provided with a second locking device for locking a locking end of the first locking device; the electronic password disk is connected with the first locking device and the second locking device and is arranged at the top of the outer side of the installation box, a glass layer with a built-in metal mesh is arranged on the inner side of the box door in parallel, and a vibration sensor is arranged on the glass layer and connected with the second locking device.

The working principle is as follows:

the glass layer laminating is installed on one side that the chamber door is close to the install bin inside, and corresponds the locking plate on the chamber door on the glass layer and be provided with the through-hole that supplies the locking plate to pass, and the opening part of install bin corresponds the locking plate on the chamber door and is provided with the grafting portion that supplies locking plate male. The computer host is placed in the installation box, and then the locking plate on the box door is inserted into the insertion part aligned with the opening of the installation box, so that the pre-installation of the box door at the opening of the installation box is realized. At the moment, the locking end of the first locking device is aligned with the locking hole in the locking plate, then the locking end of the first locking device extends out of the locking hole to penetrate through the locking hole, the locking plate is locked, and the locking of the box door at the opening of the installation box is achieved. When the door of the refrigerator needs to be opened, a correct password needs to be input through the electronic password disk, after the correct password is input, the locking end of the first locking device is pulled out of the locking hole of the locking plate, and the door of the refrigerator can be taken down from the opening of the installation box at the moment. When the box door is broken by external violence, the glass layer arranged on the inner side of the box door vibrates or breaks, the vibration sensor on the glass layer monitors vibration and then sends a signal to the second locking device, the second locking device locks the locking end of the first locking device, and the locking end of the first locking device cannot be drawn out from the inside of the lock hole, so that the box door is prevented from being violently opened due to locking of the box door.

For better realization the utility model discloses, furtherly, first locking device includes first electric push rod, T shape lock post, spacing hasp, the edge of the upper and lower both sides of install bin is provided with the locking plate male locked groove on supplying the chamber door, the top of locked groove is provided with first electric push rod along vertical direction, the push rod free end of first electric push rod corresponds the lockhole setting on the locking plate and is connected with the tip of T shape lock post, the bottom of locked groove corresponds the main aspects of T shape lock post and is provided with spacing hasp.

The upper end face and the lower end face of the lock groove are provided with through holes corresponding to lock holes in the lock plate, the push rod of the first electric push rod is in a retraction state at ordinary times, and the T-shaped lock column at the free end of the push rod does not extend into the through holes in the lock groove at the moment. After the locking plate inserted the locked groove inside, the lockhole was aligned with the through-hole, and first electric push rod stretched out this moment, drove during T shape lock post stretched into the through-hole, and the main aspects of T shape lock post insert spacing hasp spacing downwards, and the locking plate was locked by T shape lock post and can not be taken out from the locked groove this moment, and then realized the chamber door in the locking of install bin opening part, can not touch the inside computer mainframe of install bin. When the box door needs to be taken down, after the password is input through the electronic password disk, the electronic password disk sends a signal to the first electric push rod, the push rod of the first electric push rod retracts to drive the T-shaped lock column to be taken out from the through hole of the lock groove and the lock hole of the lock plate, and the box door can be taken down from the opening of the installation box at the moment.

In order to better realize the utility model, the second locking device comprises a second electric push rod, a main connecting rod, an auxiliary connecting rod and a U-shaped buckle, the U-shaped buckle is arranged at the inner side of the installation box in a sliding way along the horizontal direction and is positioned between the locking plate and the limiting lock catch, and the opening side of the U-shaped buckle is arranged corresponding to the small-diameter cylindrical surface of the T-shaped lock cylinder; the sliding direction setting of second electric push rod perpendicular to U-shaped knot, and the push rod free end of second electric push rod and the one end of main connecting rod, the one end of vice connecting rod articulate jointly, the other end of main connecting rod slides with the install bin inboard and articulates, the other end of vice connecting rod articulates with the closed side that the U-shaped was detained.

The other end of the main connecting rod is in sliding hinge connection with the inner side of the installation box, namely a hinge connection lug is arranged on the inner side of the installation box in a sliding mode along the direction perpendicular to the sliding direction of the U-shaped buckle, the hinge connection lug is hinged with the other end of the main connecting rod, and the other end of the main connecting rod can slide on the inner side of the installation box while rotating around the hinge position.

When the chamber door receives external force to break open, the inboard glass layer synchronous oscillation of chamber door or breakage, vibrations are monitored to the vibrations sensor on the glass layer this moment and are sent signal to second electric push rod, the push rod of second electric push rod stretches out from the state of retracting, then promote main connecting rod and vice connecting rod, main connecting rod and vice connecting rod drive the U-shaped knot and slide towards the direction that is close to T shape lock, inside the opening that gets into the U-shaped knot until the small diameter section of T shape lock, the U-shaped knot carries on spacingly to the big diameter section of T shape lock this moment, prevent that T shape lock from taking out from spacing hasp, and then realize the locking to the chamber door. When the T-shaped lock cylinder is required to be unlocked, the password is input through the electronic password disk, the electronic password disk sends a signal to the second electric push rod, the push rod of the second electric push rod retracts, the main connecting rod and the auxiliary connecting rod drive the U-shaped buckle to move towards the direction far away from the T-shaped lock cylinder until the large-diameter section of the T-shaped lock cylinder is limited by the U-shaped buckle, the T-shaped lock cylinder can be pulled out from the lock hole at the moment, and the door is unlocked.

In order to better realize the utility model discloses, furtherly, U-shaped detains along the both sides parallel arrangement of slip direction has the guide holder, the slip direction of detaining along the U-shaped on the guide holder is provided with the guide way, the both sides that the U-shaped was detained are provided with the slider with guide way sliding connection.

In order to better realize the utility model discloses, furtherly, the glass layer includes toughened glass layer, doubling glass layer, be provided with the metal mesh between toughened glass layer and the doubling glass layer, be provided with vibration sensor on the doubling glass layer is close to one side of install bin inside.

In order to better realize the utility model discloses, furtherly, all the array is provided with a plurality of ventilative louvres on toughened glass layer and the doubling glass layer.

For better realization the utility model discloses, furtherly, it is provided with a plurality of ventilation holes all to array on the lateral wall of install bin, it is provided with the fan to correspond the ventilation hole on the inner wall of install bin.

For better realization the utility model discloses, furtherly, the inside of install bin still is provided with the alarm of being connected with shock transducer.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses a locking plate setting locked groove on the corresponding chamber door in the opening edge of install bin to correspond the lockhole on the locking plate at the top or bottom of install bin and set up first electric push rod, drive T shape lock post through first electric push rod and insert in the lockhole on the locking plate and enter spacing hasp and carry on spacingly, and then realize the one-level locking to the chamber door, avoid the computer mainframe inside the install bin stolen;

(2) the utility model discloses a slide in the inside little diameter section that corresponds T shape lock post and set up the U-shaped knot, keep away from the connecting rod structure that T shape lock post constitutes through main connecting rod and auxiliary connecting rod in the U-shaped knot, and drive the connecting rod structure and then promote the U-shaped knot through the second electric push rod and lock the big diameter section of T shape lock post, make T shape lock post can not take out from the lockhole, and then realize the double-locking to the chamber door, further promote the security of the computer mainframe in the installation box;

(3) the utility model discloses a set up the glass layer of built-in metal mesh in the inboard of chamber door, when the chamber door meets with the violence and breaks open, the inside of install bin can effectively be protected on the glass layer, and the vibrations sensor of installing on the glass layer simultaneously can in time detect vibrations and control first locking device and second locking device and lock the chamber door in real time, and the alarm sends audible alarm in real time simultaneously, effectively protects the safety of main frame.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the disassembled structure of the present invention;

FIG. 3 is a schematic view of the U-shaped buckle locking the T-shaped lock cylinder;

FIG. 4 is a schematic view of the U-shaped buckle in a state in which the T-shaped lock cylinder is unlocked;

fig. 5 is a schematic view of the T-shaped lock cylinder in a state of canceling the locking hole.

Wherein: 1-installing a box; 2-a box door; 3-a first locking device; 4-a second locking means; 5-an electronic password disk; 6-a glass layer; 7-a vibration sensor; 8-an alarm; 31-a first electric push rod; a 32-T shaped lock cylinder; 33-limiting lock catches; 41-a second electric push rod; 42-a master link; 43-secondary link; 44-U-shaped button; 45-a guide seat; 46-a guide groove; 47-a slide block; 01-locking plate.

Detailed Description

Example 1:

as shown in fig. 1 and 2, the computer encryption device of the present embodiment includes an installation box 1 with an opening on one side, a box door 2 is installed at the opening of the installation box 1 through a locking plate 01 with a locking hole, first locking devices 3 for locking the box door 2 are respectively arranged at the top and the bottom of the installation box 1, and second locking devices 4 for locking the locking ends of the first locking devices 3 are respectively arranged at the top and the bottom of the inner side of the installation box 1; the top of the outer side of the installation box 1 is further provided with an electronic password disk 5 connected with a first locking device 3 and a second locking device 4, the inner side of the box door 2 is parallelly provided with a glass layer 6 with a built-in metal mesh, the glass layer 6 is provided with a vibration sensor 7, and the vibration sensor 7 is connected with the second locking device 4.

The bottom of install bin 1 is provided with the support, and the support passes through the theftproof bolt to be connected with ground, realizes that install bin 1 is fixed subaerial. The bottom of the inner side of the installation box 1 is provided with a base for installing a computer case, and the base is connected with the bottom of the computer case through a connecting bolt, so that the computer case is fixedly installed in the installation box 1. After the computer case is installed to the inside of installing box 1, align the locking plate on chamber door 2 with the grafting portion of installing box 1 opening part and carry out the cartridge, realize chamber door 2 in the preinstallation of 1 opening part of installing box, the lockhole on the locking plate 01 on chamber door 2 aligns with the locking end of first locking device 3 this moment, then the locking end of first locking device 3 stretches into in the lockhole on locking plate 01, locking plate 01 can not take out in the grafting portion this moment, realize the locking of chamber door 2 at the 1 opening part of installing box. When chamber door 2 receives the violence to tear open, 2 inboard glass layers 6 of chamber door receive vibrations, vibrations sensor 7 detects vibrations and sends signal to second locking device 4 this moment, second locking device 4 locks the locking end of first locking device 3, the locking end of first locking device 3 can not be taken out from the lockhole on the locking plate 01 this moment, the realization is to the complete locking of chamber door 2, the inside metal mesh of glass layers 6 can carry out the protection of certain degree to the installation box 1 inside simultaneously, avoid chamber door 2 to violently warp.

When the door 2 needs to be opened, a password is input through the electronic password disk 5, at this time, the electronic password disk 5 firstly sends a signal to the second locking device 4, the second locking device 4 cancels the locking of the locking end of the first locking device 3, then the electronic password disk 5 sends a signal to the first locking device 3, at this time, the locking end of the first locking device 3 is drawn out from the inside of the locking hole on the locking plate 01, the locking of the door 2 is cancelled, and then the door 2 can be taken down from the opening of the installation box 1.

Example 2:

this embodiment is further optimized on the basis of embodiment 1, as shown in fig. 3-5, first locking device 3 includes first electric push rod 31, T-shaped lock cylinder 32, spacing hasp 33, the edge of the upper and lower both sides of install bin 1 is provided with the lock groove that supplies lock plate 01 on chamber door 2 to insert, the top of lock groove is provided with first electric push rod 31 along vertical direction, the push rod free end of first electric push rod 31 corresponds the lockhole setting on the lock plate 01 and is connected with the tip of T-shaped lock cylinder 32, the bottom of lock groove corresponds the tip of T-shaped lock cylinder 32 and is provided with spacing hasp 33.

After the locking plate 01 is inserted into the locking groove, a locking hole in the locking plate 01 is aligned with the push rod of the first electric push rod 31 and the T-shaped locking column 32, the diameter of the locking hole is larger than or equal to the diameter of the large end of the T-shaped locking column 32 so as to ensure that the T-shaped locking column 32 can completely penetrate through the locking hole, and meanwhile, through holes with the diameter larger than the diameter of the large end of the T-shaped locking column 32 are also formed in the upper end surface and the lower end surface of the locking groove so as to enable the T-shaped locking. When the box door 2 is locked, the push rod of the first electric push rod 31 extends out, and then the T-shaped lock cylinder 32 is driven to sequentially pass through the lock groove upper side through hole, the lock hole on the lock plate 01 and the lock groove lower side through hole, and then the big end of the T-shaped lock cylinder 32 enters the limiting hole on the limiting lock catch 33 to be limited, so that the box door 2 is locked.

The second locking device 4 comprises a second electric push rod 41, a main connecting rod 42, an auxiliary connecting rod 43 and a U-shaped buckle 44, wherein the U-shaped buckle 44 is arranged on the inner side of the installation box 1 in a sliding manner along the horizontal direction and is positioned between the locking plate 01 and the limiting lock catch 33, and the opening side of the U-shaped buckle 44 is arranged corresponding to the small-diameter cylindrical surface of the T-shaped lock cylinder 32; the second electric push rod 41 is perpendicular to the sliding direction of the U-shaped buckle 44, the free end of the push rod of the second electric push rod 41 is hinged to one end of the main connecting rod 42 and one end of the auxiliary connecting rod 43, the other end of the main connecting rod 42 is hinged to the inner side of the installation box 1 in a sliding mode, and the other end of the auxiliary connecting rod 43 is hinged to the closed side of the U-shaped buckle 44.

When the box door 2 is broken by external force, the vibration sensor 7 on the glass layer 6 detects vibration and sends a signal to the second electric push rod 41, the push rod of the second electric push rod 41 extends out, and then the main connecting rod 42 and the auxiliary connecting rod 43 are driven to rotate around the hinged position, and then the U-shaped buckle 44 is pushed to slide close to the T-shaped lock cylinder 32, and it needs to be explained that when the T-shaped lock cylinder 32 is in a locking state of inserting the inside of the limit lock 33, the opening of the U-shaped buckle 44 just corresponds to the small-diameter section of the T-shaped lock cylinder 32. When the small diameter section of the T-shaped lock cylinder 32 completely enters the inner side of the opening of the U-shaped buckle 44, the bottom end surface of the U-shaped buckle 44 clamps the top end surface of the large diameter section of the T-shaped lock cylinder 32 for limitation, and at this time, the T-shaped lock cylinder 32 cannot be pulled out from the inside of the lock hole, thereby realizing double locking of the box door 2. When the box door 2 needs to be disassembled, the password is input through the electronic password disk 5, the electronic password disk 5 firstly sends a signal to the second electric push rod 41, the push rod of the second electric push rod 41 retracts, and then the main connecting rod 42 and the auxiliary connecting rod 43 are driven to reversely rotate around the hinged part, and then the U-shaped buckle 44 is pushed to be far away from the T-shaped lock column 32 to slide, until the U-shaped buckle 44 does not stop the large-diameter section of the T-shaped lock column 32 any more, at the moment, the electronic password disk 5 sends a signal to the first electric push rod 31, the push rod of the first electric push rod 31 retracts, and the T-shaped lock column 32 is driven to be completely extracted from the lock hole, at the moment, the box door 2.

The U-shaped buckle 44 is provided with guide seats 45 along the two sides of the sliding direction in parallel, a guide groove 46 is formed in the guide seat 45 along the sliding direction of the U-shaped buckle 44, sliding blocks 47 in sliding connection with the guide groove 46 are arranged on the two sides of the U-shaped buckle 44, and the length of the guide groove 46 is larger than or equal to the stroke required by the large-diameter section of the T-shaped lock column 32 limited completely by the U-shaped buckle 44. The guide seat 45 is U-shaped, one end of the guide seat 45 is opened and is arranged corresponding to one end of the locking groove at the opening of the installation box 1, the other end of the guide seat 45 is closed, and a main connecting rod 42 and an auxiliary connecting rod 43 which are hinged with each other are arranged between one side of the closed side of the guide seat 45 and the closed side of the U-shaped buckle 44, the other end of the main connecting rod 42 is hinged with one side of the closed side of the guide seat 45 in a sliding way, the other end of the auxiliary connecting rod 43 is hinged with the closed side of the U-shaped buckle 44, the other end of the main link 42 is slidably hinged to one side of the closed side of the guide seat 45, which means that the closed side of the guide seat 45 is slidably provided with a hinge joint lug along a direction perpendicular to the guide groove 46, the hinge joint lug is hinged to the other end of the main link 42, when the second electric push rod 41 pushes the joint of the main link 42 and the sub link 43, the other end of the main link 42 can rotate around the joint while sliding on the closed side of the guide seat 45.

Other parts of this embodiment are the same as embodiment 1, and thus are not described again.

Example 3:

the present embodiment is further optimized on the basis of the

foregoing embodiment

1 or 2, as shown in fig. 1, the glass layer 6 includes a tempered glass layer 61 and a laminated glass layer 62, a metal mesh is disposed between the tempered glass layer 61 and the laminated glass layer 62, and a vibration sensor 7 is disposed on one side of the laminated glass layer 62 close to the inside of the installation box 1.

When chamber door 2 received external force striking, toughened glass layer 61 received vibrations at first, and steel glass layer 61 itself has good rigidity, also can effectively protect the inside of install bin 1 when effectively transmitting vibrations. The glue is arranged in the laminated glass layer 62, so that damage to a computer host in the installation box 1 caused by granular fragmentation of the glass layer 6 due to overlarge external force impact is avoided.

Further, the inside of install bin 1 still is provided with the alarm 8 of being connected with shock sensor 7, and synchronous signal to alarm 8 is sent when shock sensor 7 detects vibrations, and alarm 8 sends the ringtone and reports to the police, and the suggestion has someone to break open chamber door 2 violently, and it needs to explain that the vibrations detection precision of shock sensor 7 sets up in advance for the vibrations detection precision of shock sensor 7 is greater than slight rocking that chamber door 2 and install bin 1 taken place, avoids causing the wrong report of shock sensor 7 when normally moving install bin 1.

All the arrays are provided with a plurality of breathable heat dissipation holes on the toughened glass layer 61 and the laminated glass layer 62, the inside and the outside communication of the installation box 1 is realized through the breathable heat dissipation holes, the heat inside the installation box 1 is convenient to dissipate, and the normal work of the computer host inside the installation box 1 is ensured.

The rest of this embodiment is the same as

embodiment

1 or 2, and therefore, the description thereof is omitted.

Example 4:

this embodiment is further optimized on the basis of any one of above-mentioned embodiments 1-3, all the array is provided with a plurality of ventilation holes on the lateral wall of install bin 1, it is provided with the fan to correspond the ventilation hole on the inner wall of install bin 1, realizes the inside and the external intercommunication of install bin 1 through the ventilation hole, through sucking the outside with the inside steam of install bin 1 through the fan, avoids the inside high temperature of install bin 1 and influences the normal work of computer mainframe.

Furthermore, a through hole for a wiring to pass through is arranged on the installation box 1 corresponding to the wiring position on the computer host.

Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A computer encryption device comprises an installation box (1) with an opening at one side, and is characterized in that a box door (2) is installed at the opening of the installation box (1) through a locking plate (01) with a locking hole, first locking devices (3) used for locking the box door (2) are respectively arranged at the top and the bottom of the installation box (1), and second locking devices (4) used for locking the locking ends of the first locking devices (3) are respectively arranged at the top and the bottom of the inner side of the installation box (1); the electronic password disk is characterized in that an electronic password disk (5) connected with a first locking device (3) and a second locking device (4) is further arranged at the top of the outer side of the installation box (1), a glass layer (6) with a built-in metal mesh is arranged on the inner side of the box door (2) in parallel, a vibration sensor (7) is arranged on the glass layer (6), and the vibration sensor (7) is connected with the second locking device (4).

2. The computer encryption device according to claim 1, wherein the first locking device (3) comprises a first electric push rod (31), a T-shaped lock cylinder (32) and a limit lock catch (33), lock grooves for inserting lock plates (01) on the box door (2) are formed in the edges of the upper side and the lower side of the installation box (1), the first electric push rod (31) is vertically arranged at the tops of the lock grooves, the free ends of the push rods of the first electric push rod (31) are arranged corresponding to lock holes in the lock plates (01) and connected with the small ends of the T-shaped lock cylinder (32), and the limit lock catch (33) is arranged at the bottom of each lock groove corresponding to the large end of the T-shaped lock cylinder (32).

3. The computer encryption device according to claim 2, wherein the second locking device (4) comprises a second electric push rod (41), a main connecting rod (42), an auxiliary connecting rod (43), and a U-shaped buckle (44), the U-shaped buckle (44) is arranged inside the mounting box (1) in a sliding manner along the horizontal direction and is positioned between the locking plate (01) and the limiting lock catch (33), and the opening side of the U-shaped buckle (44) is arranged corresponding to the small-diameter cylindrical surface of the T-shaped lock column (32); the second electric push rod (41) is perpendicular to the sliding direction of the U-shaped buckle (44), the free end of the push rod of the second electric push rod (41), one end of the main connecting rod (42) and one end of the auxiliary connecting rod (43) are hinged together, the other end of the main connecting rod (42) is hinged with the inner side of the installation box (1) in a sliding mode, and the other end of the auxiliary connecting rod (43) is hinged with the closed side of the U-shaped buckle (44).

4. The computer encryption device according to claim 3, wherein the U-shaped buckle (44) is provided with guide seats (45) in parallel along two sides of the sliding direction, the guide seats (45) are provided with guide grooves (46) along the sliding direction of the U-shaped buckle (44), and two sides of the U-shaped buckle (44) are provided with sliding blocks (47) connected with the guide grooves (46) in a sliding manner.

5. A computer encryption device according to any one of claims 1-4 characterized in that said glass layer (6) comprises a tempered glass layer (61), a laminated glass layer (62), a metal mesh is arranged between the tempered glass layer (61) and the laminated glass layer (62), and a vibration sensor (7) is arranged on one side of the laminated glass layer (62) close to the inside of the installation box (1).

6. The computer encryption device according to claim 5, wherein a plurality of air-permeable heat dissipation holes are arranged on the tempered glass layer (61) and the laminated glass layer (62) in an array.

7. The computer encryption device according to any one of claims 1 to 4, wherein a plurality of ventilation holes are arranged on the side wall of the installation box (1) in an array manner, and fans are arranged on the inner wall of the installation box (1) corresponding to the ventilation holes.

8. A computer encryption device according to any one of claims 1-4, characterized in that an alarm (8) connected to the shock sensor (7) is further provided inside the installation box (1).