WO2021013093A1

WO2021013093A1 - Protection device and movie projector secure processing module

Info

Publication number: WO2021013093A1
Application number: PCT/CN2020/102712
Authority: WO
Inventors: 刘宪; 邓高飞; 王则钦; 余新; 李屹
Original assignee: 深圳光峰科技股份有限公司
Priority date: 2019-07-19
Filing date: 2020-07-17
Publication date: 2021-01-28
Also published as: CN210639412U

Abstract

A protection device (10) and a movie projector secure processing module. The protection device (10) comprises a bottom plate (100), an accommodating box (200), a front cover plate (300), side plates (400), and a top plate (500). The accommodating box (200), the front cover plate (300), and the side plates (400) are fixedly provided on the bottom plate (100), and the accommodating box (200) is used for accommodating at least a part of a protected device (20); the side plates (400) are respectively connected to the front cover plate (300) and the accommodating box (200); the top plate (500) is provided on the accommodating box (200) and is separately connected to the accommodating box (200) and the side plates (400). The bottom plate (100), the front cover plate (300), the accommodating box (200), the side plates (400), and the top plate (500) are sequentially connected in a matching manner and a one-way assembly manner by means of connecting structures to form an accommodating space together, and the accommodating space is used for accommodating the protected device (20), so that the protection device (10) can only be disassembled by means of the top plate (500). The protection device (10) can only be disassembled by means of the top plate (500), so that the protection device (10) can be prevented from being disassembled from other plates except the top plate (500), the protected device (20) is effectively protected, and the reliability of the protection device (10) is higher.

Description

Protective device and safe processing module of movie projector

Technical field

The utility model relates to the field of cinema equipment, in particular to a protection device and a safety processing module of a movie projector.

Background technique

The Secure Processing Block (SPB) of the film projector is the core part of the film projector and the main carrier of film source anti-theft and authorization. In the DCI (Digital Copyright Identifier) certification, the security processing module is required to be tamper-proof and vandal-proof mechanical and physical protection, and the internal control device, PCBA (Printed Circuit Board+Assembly, PCB for signal transmission) The empty board can not be detected or observed from the outside via SMT upper part or DIP plug-in) and key components such as cables. The security processing module of the film projector can only be opened through the anti-dismantling lock, and the projector will be forced to stop the projection after being opened.

In the long-term research and development, the inventor of the present application found that the existing protection devices are generally fixed from the outside by screws and other fixing parts, so that other people can avoid the anti-dismantling lock and directly load the film by hand or with the help of tools. The disassembly of the protection device of the safe handling module of the projector cannot meet the requirements of DCI certification, and it cannot effectively protect the safe handling module of the film projector.

Utility model content

The utility model provides a protection device and a safety processing module of a movie projector to solve the technical problem that the protection device cannot be prevented from being disassembled from the outside in the prior art.

In order to solve the above technical problems, a technical solution adopted by the present utility model is to provide a protection device, including:

Bottom plate

An accommodating box, the accommodating box is fixedly arranged on the bottom plate for accommodating at least part of the protected device;

The front cover is fixedly arranged on the bottom plate and located at one end of the containing box;

The side plate is fixedly arranged on the bottom plate and located on the side of the accommodating box, and the side plate is respectively connected with the front cover and the accommodating box;

The top plate is arranged on the containing box and connected with the containing box and the side plate respectively;

Wherein, the bottom plate, the front cover plate, the accommodating box, the side plate, and the top plate are sequentially connected in a one-way assembly manner through a connecting structure to jointly form an accommodating space. The storage space is used for accommodating the protected device, so that the protective device can only be disassembled through the top plate.

In a specific embodiment, a tamper-proof lock is provided on the top plate, and the tamper-proof lock can lock the top plate and the accommodating box.

In a specific embodiment, the accommodating box is provided with a first connecting portion of the accommodating box, and the first connecting portion of the accommodating box is used to connect the side of the accommodating box from the bottom plate to the The bottom plate is connected; the front cover plate is provided with a front cover plate first connecting portion, and the front cover plate first connecting portion is used to connect to the bottom plate from the side of the bottom plate close to the front cover plate; The side plate is provided with a side plate first connecting portion, and the side plate first connecting portion is used to connect to the bottom plate from a side of the bottom plate close to the side plate.

In a specific embodiment, the containing box is further provided with a second connecting portion of the containing box, the side plate is further provided with a second connecting portion of the side plate, and the second connecting portion of the containing box is connected to the side The second connecting portion of the front cover is matedly connected; the front cover is further provided with a second connecting portion of the front cover, the side board is provided with a third connecting portion of the side board, and the second connecting portion of the front cover is connected to the The third connecting portion of the side plate is mated and connected.

In a specific embodiment, the containing box is further provided with a third connecting portion of the containing box, the top plate is provided with a first top connecting portion, and the third connecting portion of the containing box is first connected with the top plate The side panel is further provided with a fourth side panel connecting part, the top panel is provided with a top panel second connecting part, and the side panel fourth connecting part is matedly connected with the top panel second connecting part.

In a specific embodiment, the front cover plate further includes a front cover plate limiting portion, the top plate further includes a top plate limiting portion, and the front cover plate limiting portion cooperates with the top plate limiting portion to limit.

In a specific embodiment, the second connecting portion of the containing box and the second connecting portion of the side plate, the second connecting portion of the front cover and the third connecting portion of the side plate, the containing box One of the connecting structures formed by the third connecting portion and the first connecting portion of the top plate, the fourth connecting portion of the side plate and the second connecting portion of the top plate is a connecting hole, and the other is a connecting piece. The connecting piece can pass through the connecting hole and be assembled and connected.

In a specific embodiment, the second connecting portion of the containing box and the second connecting portion of the side plate, the second connecting portion of the front cover and the third connecting portion of the side plate, the containing box One of the connecting structures formed by the third connecting portion and the first connecting portion of the top plate, the fourth connecting portion of the side plate and the second connecting portion of the top plate is a connecting plate, and the other is an elastic gusset plate, So that the elastic buckle plate can be buckled on the connecting plate.

In a specific embodiment, the protection device further includes a rear cover plate, the rear cover plate is arranged on a side of the storage box away from the front cover plate, and is located between the bottom plate and the top plate between.

In a specific embodiment, the accommodating box is further provided with a accommodating box fourth connection part and a accommodating box limiting part, and the rear cover plate is provided with a rear cover connecting part and a rear cover limiting part, The fourth connecting portion of the accommodating box is matedly connected with the connecting portion of the rear cover, and the limiting portion of the accommodating box cooperates with the limiting portion of the rear cover to limit the rear cover to the receiving portion. Between the box and the top plate.

In order to solve the above technical problems, another technical solution adopted by the present utility model is to provide a safe processing module for a film projector, including the above protection device, and the light engine module is housed in the container as the protected device. Set the space.

The utility model fixes the housing box, front cover plate and side plate of the protection device on the bottom plate from the inside of the protection device, and sets the top plate, bottom plate, front cover plate, housing box and side plate on the housing box And the top plate is connected in a one-way assembly through the connecting structure to jointly form an accommodating space for accommodating the protected device, so that the protective device can only be disassembled through the top plate, thereby preventing the protective device from being removed from the top plate. The other boards are disassembled to achieve effective protection of the protected device, making the protection device more reliable.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present utility model. For example, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings, among which:

Figure 1 is a schematic structural diagram of an embodiment of the protection device of the present invention;

Figure 2 is a schematic diagram of an exploded structure of an embodiment of the protection device of the present invention;

Figure 3 is a partial enlarged schematic view of the front cover and side panels in Figure 1;

4 is a partial enlarged schematic view of the exploded structure of the front cover and side plates in an embodiment of the protection device of the present invention;

Figure 5 is a partial enlarged cross-sectional view of the front cover and side plates in an embodiment of the protection device of the present invention;

Figure 6 is a schematic view of the structure of the front cover and side plates in an embodiment of the protection device of the present invention;

Figure 7 is a partial enlarged schematic view of the front cover and side panels in Figure 6;

Figure 8 is a partial enlarged schematic view of the exploded structure of the front cover and side plates in an embodiment of the protection device of the present invention;

Figure 9 is a schematic view of the structure of the containing box and the top plate in an embodiment of the protection device of the present invention;

Fig. 10 is a partial enlarged schematic view of the accommodating box and the top plate in Fig. 9;

11 is a partial enlarged schematic view of the exploded structure of the containing box and the top plate in an embodiment of the protection device of the present invention;

Figure 12 is a schematic structural diagram of an embodiment of the protection device of the present invention;

Figure 13 is a partial exploded structural diagram of an embodiment of the protection device of the present invention;

Figure 14 is a schematic structural view of another embodiment of the protection device of the present invention;

15 is a schematic diagram of the structure of the front cover and side plates in another embodiment of the protection device of the present invention;

Figure 16 is a partial enlarged schematic view of the front cover and side panels in Figure 15;

17 is a partial enlarged schematic view of the exploded structure of the front cover and the side plate in another embodiment of the protection device of the present invention;

Fig. 18 is a schematic diagram of the structure of the top plate in another embodiment of the protection device of the present invention.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

The terms "first" and "second" in this application are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. In the description of this application, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes unlisted steps or units, or optionally also includes Other steps or units inherent to these processes, methods, products or equipment. The term "and/or" is only an association relationship describing the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone These three situations. In addition, the character "/" in this text generally indicates that the associated objects before and after are in an "or" relationship.

1 and 2, an embodiment of the protective device 10 of the present invention includes a bottom plate 100, a storage box 200, a front cover plate 300, a side plate 400, and a top plate 500. The storage box 200 is fixedly arranged on the bottom plate 100 for At least part of the protected device 20 is housed; the front cover 300 is fixedly arranged on the bottom plate 100 and located at one end of the containing box 200; the side plate 400 is fixedly arranged on the bottom plate 100 and is located on the side of the containing box 200, the side plate 400 Are respectively connected to the front cover 300 and the accommodating box 200; the top plate 500 is arranged on the accommodating box 200 and is respectively connected to the accommodating box 200 and the side plate 400; wherein, the bottom plate 100, the front cover 300, the accommodating box 200, The side plate 400 and the top plate 500 are successively connected by a connecting structure in a one-way assembly manner to jointly form an accommodating space (not shown in the figure). The accommodating space is used to accommodate the protected device 20, so that the protective device 10 It can only be disassembled through the top plate 500.

According to the embodiment of the present invention, the housing box 200, the front cover plate 300 and the side plate 400 of the protection device 10 are fixedly arranged on the bottom plate 100 from the inside of the protection device 10, and the top plate 500 is arranged on the housing box 200 through the bottom plate. 100. The front cover 300, the accommodating box 200, the side plate 400, and the top plate 500 are sequentially connected in a one-way assembly manner through the connecting structure to jointly form an accommodating space for accommodating the protected device, so that the protection device 10 can only be disassembled through the top plate 500, thereby preventing the protection device from being disassembled from other boards except the top plate, realizing effective protection of the protected device 20, and making the protection device 10 more reliable. In this embodiment, the protected device 20 may be a device storing film source information, such as an optical engine module. In other embodiments, the protected device 20 may also be other devices that need to be protected, such as expensive instruments, electronic equipment storing important information, and so on.

A tamper-proof lock 510 is provided on the top plate 500. The tamper-proof lock 510 can lock the top plate 500 and the storage box 200 so that the top plate 500 cannot be disassembled after being locked.

In this embodiment, the protected device 20 is provided with a protected device connecting portion 201, the bottom plate 100 is provided with a first bottom plate connecting portion 110, and the protected device connecting portion 201 is used to approach a side of the protected device 20 from the bottom plate 100. The side is connected with the bottom plate 100 through the first bottom plate connecting portion 110; the containing box 200 is provided with a containing box first connecting portion 210, the bottom plate 100 is provided with a second bottom plate connecting portion 120, and the containing box first connecting portion 210 is used The side from the bottom plate 100 close to the accommodating box 200 is connected to the bottom plate 100 through the second bottom plate connection portion 120; the front cover plate 300 is provided with a front cover plate first connection portion 310, and the bottom plate 100 is provided with a third bottom plate connection portion 130. The first connecting portion 310 of the front cover plate is used to connect to the bottom plate 100 from the side of the bottom plate 100 close to the front cover plate 300 through the third bottom plate connecting portion 130; the side plate 400 is provided with a first side plate connecting portion 410, and the bottom plate 100 A fourth bottom plate connecting portion 140 is provided thereon, and the first side plate connecting portion 410 is used to connect to the bottom plate 100 through the fourth bottom plate connecting portion 140 from the side of the bottom plate 100 close to the side plate 400.

In this embodiment, the protected device connecting portion 201, the first connecting portion 210 of the accommodating box, the first connecting portion 310 of the front cover, the first connecting portion 410 of the side panel, and the first to fourth bottom connecting portions are respectively corresponding The screw holes are used to fix the protected device 20, the receiving box 200, the front cover 300, and the side plate 400 on the bottom plate 100 by screws from the side of the bottom plate 100 close to the accommodating box 200, so that the protection device 10 is installed Later, the protected device 20, the storage box 200, the front cover 300, and the side plate 400 cannot disassemble the bottom plate 100 from the outside.

In other embodiments, the protected device connecting portion 201, the first connecting portion 210 of the accommodating box, the first connecting portion 310 of the front cover, and the first connecting portion 410 of the side plate may also be buckles, and the first to fourth bottom plates The connecting part may be a corresponding card slot to realize the fixed connection of the protected device 20, the first connecting part 210 of the storage box, the first connecting part 310 of the front cover and the first connecting part 410 of the side plate to the bottom plate 100, respectively.

In other embodiments, at least one of the protected device connecting portion 201, the first connecting portion 210 of the storage box, the first connecting portion 310 of the front cover, and the first connecting portion 410 of the side plate may be a screw hole, At least the other is a buckle, which is not limited here.

In this embodiment, the accommodating box 200 is further provided with a accommodating box second connecting portion 220, the side plate 400 is further provided with a side plate second connecting portion 420, and the accommodating box second connecting portion 220 is secondly connected with the side plate Part 420 is matched and connected; the front cover 300 is further provided with a front cover second connecting portion 320, the side plate 400 is provided with a side plate third connecting portion 430, and the front cover second connecting portion 320 is connected to the side plate third The part 430 is mated and connected.

The accommodating box 200 is further provided with a third connecting portion 230 of the accommodating box, the top plate 500 is provided with a first connecting portion 520 of the top plate, the third connecting portion 230 of the accommodating box is connected with the first connecting portion 520 of the top plate; the side plate 400 is further provided There is a side plate fourth connecting portion 440, the top plate 500 is provided with a top plate second connecting portion 530, and the side plate fourth connecting portion 440 is matedly connected to the top plate second connecting portion 530.

In this embodiment, the second connecting portion 220 of the containing box and the second connecting portion 420 of the side plate, the second connecting portion 320 of the front cover and the third connecting portion 430 of the side plate, the third connecting portion 230 of the containing box and the top plate One of the connecting structures formed by the first connecting portion 520, the side plate fourth connecting portion 440, and the top plate second connecting portion 530 is a connecting hole, and the other is a connecting piece, so that the connecting piece can pass through the connecting hole and Assembly connection.

Referring to FIGS. 3 to 5, the connection structure formed by the second connecting portion 320 of the cover plate and the third connecting portion 430 of the side plate will be described. In this embodiment, the second connecting portion 320 of the front cover is a connecting piece, and the third connecting portion 430 of the side plate is a connecting hole. The connecting piece penetrates the connecting hole and is assembled with the connecting hole in the first direction, so that the connecting piece is perpendicular to The second direction of the first direction limits the side plate 400, and makes the front cover plate 300 only split from the side plate 400 in the opposite direction of the first direction. The first direction may be a direction parallel to the surface of the side plate 400, and the second direction may be a direction perpendicular to the surface of the side plate 400.

Specifically, the connecting piece is a protrusion with an I-shaped cross section, that is, the diameter of the middle section of the protrusion is smaller than the diameter of the two end sections, the connecting hole is a gourd-shaped hole, and the gourd-shaped hole includes a large hole section and a small hole section (in the figure) Not marked), so that the protrusion can penetrate the large hole section and move to the small hole section, so that the middle section of the protrusion is accommodated in the small hole section of the gourd-shaped hole, thereby realizing the front cover 300 and the side plate 400 is a limit in the direction perpendicular to the surface of the side plate 400.

In other embodiments, it is also possible that the front cover 300 is provided with a connecting hole, and the side plate 400 is provided with a connecting member, which is not limited here.

In this embodiment, in the connecting structure formed by the second connecting portion 220 of the accommodating box and the second connecting portion 420 of the side plate, the second connecting portion 220 of the accommodating box is a connecting piece, and the second connecting portion 420 of the side plate is a connecting hole. , So that the side plate second connecting portion 420 and the side plate third connecting portion 430 can be prepared together; in the connecting structure formed by the containing box third connecting portion 230 and the top plate first connecting portion 520, the containing box third connecting portion 230 Is a connecting piece, the top plate first connecting portion 520 is a connecting hole; in the connecting structure formed by the side plate fourth connecting portion 440 and the top plate second connecting portion 530, the side plate fourth connecting portion 440 is a connecting piece, and the top plate second connecting portion 530 is a connecting hole, so that the top plate first connecting portion 520 and the top plate second connecting portion 530 can be prepared together, thereby simplifying the preparation process of the side plate 400 and the top plate 500. For the specific structure of the connecting member and the connecting hole, refer to the above-mentioned second connecting portion 320 of the front cover and the third connecting portion 430 of the side plate, which will not be repeated here.

In other embodiments, in the connecting mechanism formed by the accommodating box 200, the side plate 400, and the top plate 500, the connecting piece and the connecting hole can also be interchanged, which is not limited here.

6 to 8, in this embodiment, the front cover 300 may further include a front cover third connecting portion 330, and the side plate 400 may further include a side plate fifth connecting portion 450, and a front cover third connecting portion 330 and the fifth connecting portion 450 of the side plate are matedly connected.

Specifically, the front cover third plate connecting portion 330 may be a connecting plate extending inward from the side of the front cover 300, and the side plate fifth connecting portion 450 may be an L-shaped plate disposed inside the side plate 400, and the connecting plate Corresponding screw holes are respectively provided on the L-shaped plate and the L-shaped plate, and the fixed connection by screws can make the connection between the front cover plate 300 and the side plate 400 more stable.

2, in this embodiment, the front cover 300 may further include a front cover limiting portion 340, the top plate 500 may further include a top limiting portion 540, the front cover limiting portion 340 and the top limiting portion 540 are matched Limit. Specifically, the front cover limiting portion 340 may be a limiting hole, and the top plate limiting portion 540 may be a limiting protrusion corresponding to the limiting hole, wherein the limiting hole and the limiting protrusion can also serve as a counterpoint to the top plate 500 The guiding role.

In other embodiments, the front cover limiting portion 340 may also be a limiting protrusion, and the top limiting portion 540 may also be a limiting hole corresponding to the limiting protrusion, which is not limited herein.

Referring to Figures 9 to 11, the accommodating box 200 may be further provided with a tamper-proof lock limit portion 260, the tamper-proof lock 510 is provided with a limit plate 511, and the top plate 500 is covered on the accommodating box 200 to open the tamper-proof lock 510, so that the limiting plate 511 abuts against the tamper lock limiting portion 260, thereby locking the top plate 500 and the accommodating box 200.

Specifically, in this embodiment, the top plate 500 is respectively assembled with the side plate 400 and the front cover plate 300 along the third direction. Wherein, the third direction is perpendicular to the first direction and the second direction respectively. After the protection device 10 is assembled, the tamper-resistant lock limiting portion 260 is located in the opposite direction of the tamper-resistant lock 510 along the third direction, and the limiting plate 511 is far away from the tamper-resistant lock limiting portion 260. When the tamper lock 510 is opened, the limit plate 511 rotates in a direction close to the tamper lock limit portion 260 to abut against the tamper lock limit portion 260, thereby restricting the top plate 500 so that the top plate 500 It cannot move in the opposite direction along the third direction to achieve the locking effect.

Referring to Figures 2, 12 and 13, in this embodiment, the protection device 10 may further include a rear cover 600, and the protected device 20 may further include a terminal board 202, and the rear cover 600 is disposed on the accommodating box 200 away from One side of the front cover plate 300 is located between the bottom plate 100 and the top plate 500. The rear cover plate 600 is used to protect the terminal plate 202 so that the terminal plate 202 cannot be withdrawn from the outside after the protection device 10 is installed.

In this embodiment, the terminal board 202 may be a PCBA terminal board.

In this embodiment, the accommodating box 200 may further be provided with a accommodating box fourth connection portion 240 and a accommodating box limiting portion 250, and the rear cover 600 may be provided with a rear cover connecting portion 610 and a rear cover limiting portion. Part 620, the fourth connecting part 240 of the accommodating box is connected to the rear cover connecting part 610 in cooperation, the accommodating box limiting part 250 and the rear cover limiting part 620 cooperate to limit the rear cover 600 to the accommodating box 200 and Between the top 500.

Specifically, the connection structure formed by the rear cover connecting portion 610 and the fourth connecting portion 240 of the accommodating box may refer to the connecting structure formed by the second connecting portion 320 of the front cover and the third connecting portion 430 of the side plate, which will not be omitted here. Repeat. The back cover limiting portion 620 may be a plug-in board, and the receiving box limiting portion 250 may be a slot corresponding to the plug-in board. The plug-in board is inserted into the slot to limit the back cover 600 to the receiving box 200 and Between the top 500.

Specifically, the installation process of the protection device 10 is as follows: first, the front cover 300 is fixedly connected to the bottom plate 100 through the first connection portion 310 of the front cover; the protected device 20 is buckled with the front cover 300 and passed through the connection portion of the protected device. 201 is fixedly connected to the bottom plate 100; then the accommodating box 200 is placed on the protected device 20 to accommodate at least part of the protected device 20, and is fixedly connected to the bottom plate 100 through the first connecting portion 210 of the accommodating box; The side plate 400 is connected to the containing box 200 through the second side plate connecting portion 420, and is connected to the front cover plate 300 through the side plate third connecting portion 430, and screws are installed through the mounting opening 460 on the top of the side plate 400, so that the side plate 400 is fixedly connected to the bottom plate 100 through the first connecting portion 410 of the side plate; and then the rear cover 600 is connected to the receiving box 200 through the rear cover connecting portion 610, and at the same time is connected to the receiving box 200 through the rear cover limiting portion 620 Limit; finally cover the top plate 500 on the accommodating box 200, and guide and limit the top plate 500 through the top plate limiting portion 540 and the front cover 300 in cooperation with the accommodating box 200 through the top plate first connecting portion 520 The connection is connected to the side plate 400 through the top plate second connecting portion 530, and at the same time, the rear cover plate 600 can be pressed between the receiving box 200 and the top plate 500.

After the installation of the protective device 10 is completed, the tamper-evident lock 510 is opened, so that the top plate 500 and the accommodating box 200 are locked, so that the protective device 10 cannot be violently removed from the outside, and the protective effect of the protected device 20 is realized.

In other embodiments, if the protected device 20 does not need to be buckled with the front cover 300, the installation sequence of the front cover 300 and the protected device 20 can also be interchanged, which is not limited here.

Referring to Figure 14, another embodiment of the protection device 10 of the present invention includes a bottom plate 100, a containing box (not shown in the figure), a front cover 300, a side plate 400, and a top plate 500. The structure of the protection device 10 is referred to above The embodiment of the protection device 10 will not be repeated here.

15-17 together, the difference between this embodiment and the above-mentioned embodiment is that the second connecting portion 350 of the front cover of the front cover 300 is a connecting plate, and the third connecting portion 470 of the side plate is a connecting piece. Wherein, the connecting member is an elastic buckle plate, so that the elastic buckle plate can be buckled on the connecting plate along the buckling direction, so that the front cover plate 300 and the side plate 400 can be restricted in a direction perpendicular to the surface of the side plate 400. Bit.

In other embodiments, the front cover 300 may be provided with a connecting member, and the side plate 400 may be provided with a connecting plate, which is not limited here.

In this embodiment, the second connecting portion of the containing box and the second connecting portion of the side plate, the third connecting portion of the containing box and the first connecting portion of the top plate, the fourth connecting portion of the side plate and the second connecting portion of the top plate are respectively formed The connecting structure is similar to the connecting structure formed by the second connecting portion 350 of the front cover and the third connecting portion 470 of the side plate, and will not be repeated here. For example, as shown in FIG. 18, an elastic gusset plate may be provided on the top plate 500 to connect with the container box and the side plate 400 respectively.

By providing the connecting structure of the elastic gusset plate and the connecting plate, the connecting part of the protection device 10 can be more difficult to be observed from the outside, so that it is more difficult to be disassembled from the outside, and the appearance of the protection device 10 can be made smoother and more beautiful.

1 and 2, the embodiment of the safety processing module of the movie projector of the present invention includes a protection device 10 and an optical engine module. The optical engine module is accommodated in the accommodation space of the protection device 10 as the protected device 20.

Specifically, for the structure of the protection device 10, refer to the foregoing embodiment of the protection device 10, and details are not described herein again.

The embodiment of the present invention fixes the housing box 200, the front cover plate 300 and the side plate 400 of the protection device 10 on the bottom plate 100 from the inside of the protection device 10, and sets the top plate 500 and the bottom plate 100 on the housing box 200 , The front cover 300, the accommodating box 200, the side plate 400, and the top plate 500 are sequentially connected in a one-way assembly manner through the connecting structure to jointly form an accommodating space for accommodating the protected device, so that the protection device 10 It can only be disassembled through the top plate 500, which can prevent the protective device from being disassembled from other plates except the top plate, realize effective protection of the protected device 20, and make the protective device 10 more reliable.

The above is only the implementation of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process transformation made by using the description and drawings of the utility model, or directly or indirectly applied to other Related technical fields are included in the scope of patent protection of the utility model in the same way.

Claims

A protection device, characterized in that it comprises:

Bottom plate

An accommodating box, the accommodating box is fixedly arranged on the bottom plate for accommodating at least part of the protected device;

The front cover is fixedly arranged on the bottom plate and located at one end of the containing box;

The side plate is fixedly arranged on the bottom plate and located on the side of the accommodating box, and the side plate is respectively connected with the front cover and the accommodating box;

The top plate is arranged on the containing box and connected with the containing box and the side plate respectively;

Wherein, the bottom plate, the front cover plate, the accommodating box, the side plate, and the top plate are sequentially connected in a one-way assembly manner through a connecting structure to jointly form an accommodating space. The storage space is used for accommodating the protected device, so that the protective device can only be disassembled through the top plate.
The protection device according to claim 1, wherein a tamper-proof lock is provided on the top plate, and the tamper-proof lock can lock the top plate and the containing box.
The protection device according to claim 1, wherein a first connecting portion of the containing box is provided on the containing box, and the first connecting portion of the containing box is used to approach the containing box from the bottom plate. One side of the box is connected to the bottom plate; the front cover plate is provided with a front cover plate first connection part, and the front cover plate first connection part is used to approach the side of the front cover plate from the bottom plate Connected with the bottom plate; the side plate is provided with a side plate first connecting portion, and the side plate first connecting portion is used to connect with the bottom plate from the side of the bottom plate close to the side plate.
The protection device according to claim 1, wherein the accommodating box is further provided with a second connecting portion of the accommodating box, the side plate is further provided with a second connecting portion of the side plate, and the accommodating box is The two connecting parts are matedly connected with the second connecting part of the side plate; the front cover plate is further provided with a second connecting part of the front cover plate, the side plate is provided with a third connecting part of the side plate, the front cover The second connecting portion of the board is matedly connected with the third connecting portion of the side board.
The protection device according to claim 4, wherein the containing box is further provided with a third connecting portion of the containing box, the top plate is provided with a first connecting portion of the top plate, and the third connecting portion of the containing box The side plate is further provided with a fourth side plate connecting portion, the top plate is provided with a top plate second connecting portion, and the side plate fourth connecting portion is connected to the top plate second The connection part is mated and connected.
The protection device according to claim 5, wherein the front cover plate further comprises a front cover plate limiting portion, the top plate further includes a top plate limiting portion, the front cover plate limiting portion and the top plate The limit part cooperates with the limit.
The protection device according to claim 5, wherein the second connecting portion of the accommodating box is connected to the second connecting portion of the side plate, and the second connecting portion of the front cover is connected to the side plate thirdly. One of the connecting structures formed by the third connecting portion of the containing box and the first connecting portion of the top plate, the fourth connecting portion of the side plate and the second connecting portion of the top plate is a connecting hole, and the other One is a connecting piece, so that the connecting piece can pass through the connecting hole and be assembled and connected.
The protection device according to claim 5, wherein the second connecting portion of the accommodating box is connected to the second connecting portion of the side plate, and the second connecting portion of the front cover is connected to the side plate thirdly. One of the connecting structures formed by the third connecting portion of the containing box and the first connecting portion of the top plate, the fourth connecting portion of the side plate and the second connecting portion of the top plate is a connecting plate, and the other One is an elastic buckle, so that the elastic buckle can be buckled on the connecting plate.
The protection device according to claim 1, wherein the protection device further comprises a rear cover plate, the rear cover plate is arranged on a side of the containing box away from the front cover plate, and is located Between the bottom plate and the top plate.
The protection device according to claim 9, wherein the accommodating box is further provided with a fourth connecting portion of the accommodating box and a limiting portion of the accommodating box, and the rear cover plate is provided with a rear cover connecting portion and The rear cover limiting portion, the fourth connecting portion of the accommodating box is connected to the rear cover connecting portion, the receiving box limiting portion and the rear cover limiting portion cooperate to align the rear The cover plate is limited between the containing box and the top plate.
A safety processing module for a film projector, characterized in that it comprises an optical engine module and the protection device of any one of claims 1-10, and the optical engine module is housed in the protected device as the protected device. In the containing space.