KR200370744Y1 - Bracket of projector - Google Patents

Abstract

The projector bracket according to the present invention extends outward from one edge of the projector, the bracket for fixing the projector to the inside of the projector, and the anti-theft device for alarming when the projector is stolen is mounted therein. Addition is included.

This design does not require a separate space, tools and costs for installing the projector anti-theft device, and can be easily attached as a design only for installing the projector anti-theft device. In addition, it is possible to increase the efficiency of theft prevention by integrally with the projector to prevent theft.

Description

Projector Bracket {Bracket of projector}

The present invention relates to a bracket for connecting a projector, and more particularly, to connecting the projector to a ceiling or a wall, and an anti-theft device that serves to connect the anti-theft device that prevents the projector from being stolen. It is about a dragon bracket.

In recent years, a large number of equipments that are expensive are increasing. In particular, the school uses a projector in each classroom to perform audiovisual education. However, such expensive equipment in the open space of the school is always concerned about theft, and in fact, the J estimated that about 50 million won of school was stolen this year alone. It is spending 10 million won.

In order to prevent such theft, each school currently spends a lot of money installing a security system to manage the projector.

Comprehensive unmanned security service used in the school systematically analyzes the path of outsiders inside the classroom or where security is needed to install advanced detectors, and detects the intrusion of human through these detectors. It is designed to receive an abnormal signal in the control room. At this time, the controller instructs the person to go to the place where the abnormal signal is detected. In addition, the ordered patrolman goes directly to the scene and has a system for checking the situation.

However, managing a classroom that many students enter and leave with such a security system can cause a great inconvenience for the human resources and resources waste caused by the malfunction of the security system and the students' autonomous educational environment.

As described above, the conventional anti-theft system has a time problem in which a person has to go to the stolen area to determine whether the theft occurs, a large amount of installation and maintenance costs, and a large amount of money consumed every time the patrol is dispatched. exist. In addition, complex logic structures and electrical wiring have the possibility of detecting abnormal signals in the event of theft. In addition, when a theft accident occurs, an abnormal signal is generated, the abnormal signal is transmitted to the control room, the controller judges whether the theft has occurred, a signal is sent to the patrol agent when the controller determines that the theft is an accident, and the field dispatch of the patrol agent who receives the signal If any one of the nodes is empty due to the node in several steps, the entire system does not operate.

On the other hand, the conventional projector is one aspect is fixed to the ceiling is used, when the projector is mounted on the ceiling, it is fixed by a bracket of a predetermined shape.

The present invention has been proposed to solve the above problems, and aims to propose a bracket that can be integrated with the projector by installing an anti-theft device that can reduce the cost of protecting electronic devices.

In addition, the present invention is designed to connect a small anti-theft device that can prevent theft of electronic devices to the projector connection bracket by performing a warning to the thief with a simple mechanical operation without malfunction of the product, such as a projector It aims to prevent theft of expensive electronic devices.

Another object of the present invention is to propose a configuration in which the projector and the anti-theft device for preventing theft of the projector can be conveniently combined.

1 is a perspective view of a projector bracket according to the spirit of the present invention.

Figure 2 is a side view of the projector bracket according to the present invention.

3 is a plan view of a projector bracket according to the present invention.

4 is a perspective view showing an installation state of the projector bracket and another projector bracket.

<Description of the symbols for the main parts of the drawings>

10: Lower parallel plate 11: Lower articulated connection

12: support 13: upper articulated connection

14: Upper parallel plate 15: Projection hook for connecting the projector

16: Extension part 17: Antitheft device

18: power outlet 19: lamp

20: Speaker 21: Outlet for load connection

30: lower parallel plate 31: lower support

32: rotation coupling part 33: upper support

34: Upper parallel plate 35: Projection hook for projector connection

36: extension part 40: projector

50: Load connection plug 51: Load connection plug

Projector bracket according to the present invention for achieving the above object, the projector; A bracket for fixing the projector indoors; And a mounting extension part extending outwardly from one edge of the projector bracket, and on which the anti-theft device for alerting theft of the projector is seated.

This design does not require a separate space, tools and costs for installing the projector anti-theft device, and can be easily attached as a design only for installing the projector anti-theft device. In addition, it is possible to increase the efficiency of theft prevention by integrally with the projector to prevent theft.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to the embodiments set forth below, and other similar inventions or designs, etc. may be added, changed, or deleted by adding other components, or Other embodiments included within the spirit of the present invention can be easily proposed.

1 is a perspective view showing an installation state of a projector bracket according to the present invention, Figure 2 is a side view of the projector bracket according to the present invention.

1 and 2, the bracket of the projector includes a lower parallel plate 10, a support 12 attached to the center of gravity of the lower parallel plate 10, and a lower deflection connecting the lower parallel plate 11. Type connecting portion 11, attached to the central portion of the lower parallel plate 10 and the support 12 leading to the center of the upper parallel plate 14, between the support 12 and the upper parallel plate 14 A combined upper refracting connector 13 and an upper parallel plate 14 fixed to the ceiling are included. As one feature of the present invention, a mounting extension portion 16 which is branched and extended from one side of the upper parallel plate 14, and the anti-theft device 17 seated on the mounting extension portion 16 is included. .

It describes the configuration and operation of the present invention in detail.

First, the articulated connecting portion 13 and the support 12 for adjusting the projector 40 in the up and down direction are connected by bolts and nuts, and four corners of the lower parallel plate 10 are connected to the projections for the projector ( 15) is formed. The projection protrusion 15 for connecting the projector is connected to the lower parallel plate 10 by a bolt and a nut, and the bolt and the nut may be changed in contact position to be adjustable according to the shape and size of the projector 40 to be connected. Can be. The projection protrusions 15 for connecting the projector extend in four corners from the center of the lower parallel plate 10 and are bent upwards and downwards by about 90 degrees at a time where each of the projections 15 is divided into three. At the end of the projection connecting projection 15 is made a hole enough to tighten the nut for the connection with the projector 40.

The upper parallel plate 14 constitutes a hole connectable to four corners so that the ceiling and the bracket can be connected to each other, and one side of the upper parallel plate 14 separately installs a portion capable of providing an anti-theft device 17. Doing.

In detail, a case of a hexahedron forms its appearance, and a lamp 19 which is operated when the electronic device is stolen is located on the upper right side of the parallel plate. On the left side, an operation control unit for passively controlling the operation of the anti-theft prevention device is installed, and the speaker 20 and the load connection outlet 21 which are operated during theft are arranged side by side. On the left side of the load connecting outlet 21 and at the side of the parallel plate, a power outlet 18 is included. Briefly describing the operation, an external power source is applied to the power connection outlet 18 to operate the anti-theft device 17. In addition, a predetermined power source connected to the projector 40 is connected to the load connection outlet 21. In this configuration, when the projector 40 is stolen, when the wire connecting the projector 40 and the load connection outlet 21 is pulled out, the anti-theft device 17 flows from the inside of the projector 40 to the projector 40. The interruption of the current is detected. In addition, the anti-theft device 17 detects the blocking of the current, so that theft of the projector 40 can be detected.

In detail, the anti-theft device 17 sounds a strong alarm when there is a problem in connecting the power supply unit of the projector when the main power is cut off or when the standby power is cut off, thereby preventing theft and preventing theft. It is a device that can protect expensive equipment by letting you know immediately. As described above, the alarm sound can be generated when the standby current is cut off or the input power is cut off, and the alarm is sounded by using the equation that the power cutoff is connected to theft.

In more detail, the current transformer detects a change in current generated when the power is cut off. Using the video current transformer, when the electronic device is in the standby current state, if the electronic device is stolen and the current of the device is cut off, the video current transformer detects this and notifies the cutoff state of the current through the alarm speaker 20. When the current flowing into the detector is cut off from the power supply, it detects this and notifies the cutoff state of the current through the alarm speaker 20.

In addition, the projector bracket according to the present invention is further provided with a mounting extension 16 for mounting the anti-theft device 17, it is easy to attach the anti-theft device 17 to the projector 40 and easy By installing, the efficiency of operation of the anti-theft device 17 can be aimed at.

In addition, it can be seen that the anti-theft device 17 is located at the rear of the bracket. In more detail, the projector 40 and the burglar alarm 17 are fixed via a bracket, and the antitheft device 17 is configured in parallel to the rear of the projector at the rear of the projector 40.

3 is a plan view showing an installation state of a projector bracket according to the present invention.

Referring to Figure 3, the mounting extension 16 extends in two strands on both sides of the rectangular parallel parallel plate 14 in a direction perpendicular to the anti-theft device. The mounting extension 16 is attached to an anti-theft device and four bolts and nuts. It is possible to connect the projector bracket and the anti-theft device using fasteners other than the actual silk bolts and nuts.

4 is a perspective view illustrating an installation state of a projector bracket according to another embodiment of the present invention.

Referring to Figure 4, looking at the structure of the bracket, the bracket is an upper support plate (34) for fixing the bracket from the ceiling and the upper support coupled to the bottom of the upper parallel plate 34 by a bolt and nut ( 33), a lower support 31 coupled to the upper support and movable laterally, a lower parallel plate 30 for fixing the projector 40, the lower support 31 and the lower support Between the parallel plate 30 includes a rotary coupling part 32 which serves to move the projector in the longitudinal direction about the axis forgetting the center of the lower parallel plate and the upper parallel plate and the center of the anti-theft device. do.

In more detail, four vertices of the upper parallel plate 34 having a tetrahedral shape have holes for fixing the ceiling and the bracket with bolts and nuts, and one side of the upper parallel plate 34 has a projector burglar alarm device. Mounting extension 36 is formed so that 17) can be attached. The mounting extension portion 36 is positioned in the transverse direction of the upper parallel plate 34 and the projector 40, which is the direction in which the beam of the projector is projected, and for mounting that extends in parallel from both sides of the upper parallel plate 34. The anti-theft device 17 is placed on one side of the extension 36.

The bracket is different from each other that is responsible for the horizontal and longitudinal rotation function, the horizontal rotation is controlled by the bolts and nuts that couple the upper support 33 and the lower support 31 alternately, the longitudinal direction Rotation is made by a rotary coupling portion 32 located between the lower parallel plate 30 and the lower support (31).

In this case, the projector bracket may be modified in addition to the above two configurations by various modifications and deletions of the components in various forms within the scope apparent to those skilled in the art.

Projector bracket according to the present invention, the anti-theft device that can accurately detect this when the projector is stolen, so that the bracket is firmly fixed, there is an effect that the installation of the anti-theft device can be made conveniently.

In addition, since a separate space for installing the projector anti-theft device and a tool and a cost are not required, the projector may be fixed to the projector bracket, thereby increasing convenience of use.

Claims (4)

A bracket body for fixing the projector to the room; And Projector brackets extending outwardly from one side of the projector bracket body, and a mounting extension for mounting the anti-theft device for alarming theft of the projector. The method of claim 1, The bracket is an upper parallel plate for connecting the ceiling and the bracket, An upper refractive type connecting portion formed below the upper parallel plate, A support on which the upper parallel plate is supported; A lower refractive type connecting portion formed below the support, and And a lower parallel plate connected to the lower refraction type connection part to which the projector is fixed. The method of claim 1, The bracket is an upper parallel plate for connecting the ceiling and the bracket, An upper supporter coupled to the bottom of the upper parallel plate by a bolt and a nut, A lower support made to be cross-coupled with the upper support to move laterally, and Projector bracket including a rotating coupling for allowing the projector to move longitudinally. The method of claim 1, And a wire for connecting the anti-theft device to the projector and operating the anti-theft device when the connection with the projector is interrupted.