Distribution box for cinema projection equipment

By introducing a central control board and automated control system into the power distribution box of cinema projection equipment, the problem of time-consuming and labor-intensive manual operation in existing technologies has been solved, achieving efficient management and safety control of the equipment and improving the operating efficiency and safety of cinema equipment.

CN224217947UActive Publication Date: 2026-05-08HENAN ZHIBO ZHONGTIAN INFORMATION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN ZHIBO ZHONGTIAN INFORMATION TECHNOLOGY CO LTD
Filing Date
2025-04-01
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing power distribution boxes used for cinema projection equipment rely on manual operation, resulting in low operating efficiency and being time-consuming and labor-intensive, making it difficult to achieve efficient management and safety control of the equipment.

Method used

A distribution box comprising a central control board, sensors, function buttons, and an automated control system was designed. By integrating circuit breakers and AC contactors, it enables centralized management and automated control of equipment. It is also equipped with power buttons and function buttons to simplify operation and support different connection requirements.

Benefits of technology

It improved the operating efficiency of cinema equipment, reduced manual intervention, enhanced safety and stability, ensured smooth projection and audience experience, and reduced operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a distribution box for cinema projection equipment, which is applied to the technical field of distribution boxes. The distribution box comprises a door plate and a box body, the side end of the door plate is rotatably connected with the side end of the box body, the outer surface of the door plate is provided with a power button, a locking mechanism and a plurality of function buttons, the power button is connected with a circuit breaker in the box body, and the circuit breaker is connected with one end of a low-voltage power supply in the box body. The other end of the low-voltage power supply is connected with a first end of an alternating-current contactor in the box body, a second end of the alternating-current contactor is connected with a first end of a central control panel in the box body, a third end of the alternating-current contactor is connected with a corresponding function button, and a second end of the central control panel is connected with a plurality of sensors arranged in a cinema; the third end of the central control board is connected with one end of a wiring terminal in the box body, and the other end of the wiring terminal is connected with cinema projection equipment. In this way, the running efficiency of cinema equipment can be improved.
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Description

Technical Field

[0001] This utility model relates to the field of power distribution box technology, and in particular to a power distribution box for cinema projection equipment. Background Technology

[0002] In modern cinemas, the projection equipment is the core of the entire viewing experience, involving numerous high-power electronic devices such as digital projectors, sound systems, and lighting control equipment. These devices require a stable power supply to ensure smooth projection. As a crucial component of cinema projection equipment, the power distribution box plays a vital role in power distribution and protection.

[0003] Currently, the existing power distribution boxes used for cinema projection equipment rely on manual operation and adjustment, which is time-consuming and labor-intensive, resulting in low operating efficiency of cinema equipment. Utility Model Content

[0004] The purpose of this utility model is to provide a power distribution box for cinema projection equipment in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A power distribution box for cinema projection equipment includes:

[0007] A door panel (1) and a box body (2), wherein the side ends of the door panel (1) and the side ends of the box body (2) are rotatably connected.

[0008] The outer surface of the door panel (1) is provided with a power button (3), a locking mechanism (4), and several function buttons (5).

[0009] The power button (3) is connected to the circuit breaker (6) in the housing (2).

[0010] The circuit breaker (6) is connected to the low-voltage power supply (7) in the enclosure (2) at one end.

[0011] The other end of the low-voltage power supply (7) is connected to the first end of the AC contactor (8) in the housing (2).

[0012] The second end of the AC contactor (8) is connected to the first end of the central control board (9) in the housing (2), and the third end of the AC contactor (8) is connected to the corresponding function button (5).

[0013] The second end of the central control board (9) is connected to several sensors arranged in the cinema.

[0014] The third end of the central control board (9) is connected to one end of the wiring terminal (10) in the housing (2).

[0015] The other end of the terminal block (10) is connected to the cinema projection equipment.

[0016] Furthermore, it also includes a U-shaped cable tray (11), the first side plate of which is located between the AC contactor (8) and the central control board (9), and the second side plate of which is located between the central control board (9) and the terminal block (10).

[0017] Compared with existing technologies, the advantages of this utility model are as follows: By setting up a central control board and connecting it with sensors and function buttons in the cinema, centralized management and automated control of the equipment are achieved, improving the operating efficiency of the cinema equipment, reducing manual intervention, and enhancing the safety and stability of the projection; the distribution box is equipped with power buttons and function buttons on the outside, allowing users to conveniently control the switching of the equipment and ensuring easy operation; the rotating connection design of the distribution box door and body makes maintenance and repair more convenient, and maintenance personnel can easily access the internal components; through integrated circuit breakers, low-voltage power supplies, AC contactors, and other components, the distribution box can effectively prevent dangers when the power system fails, improving system safety; the design of connecting the power button to the circuit breaker can quickly cut off power in case of emergency. Power outages prevent electrical accidents; the distribution box design includes multiple function buttons, sensor interfaces, and wiring terminals to support different connection requirements with cinema projection equipment, adapting to different types of cinema projection equipment and facilitating future expansion or equipment replacement; the central control board interacts with the equipment through sensors, enabling intelligent control of the cinema's electrical equipment, providing a better viewing environment and equipment management; the low-voltage power supply and AC contactors in the distribution box, in conjunction with the function buttons, effectively manage power consumption, preventing unnecessary power waste, thereby improving energy efficiency and reducing operating costs; through precise power control and equipment monitoring, stable operation of the projection equipment is ensured, avoiding projection interruptions due to unstable power supply or equipment failure, guaranteeing smooth projection and audience experience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This illustration shows a first-view perspective perspective view of a power distribution box for a cinema projection equipment provided by an embodiment of the present invention;

[0020] Figure 2This illustration shows a second-view perspective perspective view of a power distribution box for a cinema projection equipment according to an embodiment of the present invention.

[0021] Figure 3 The illustration shows a front view of a power distribution box for a cinema projection equipment according to an embodiment of the present invention.

[0022] The annotations in the attached figures are explained as follows:

[0023] 1. Door panel; 2. Cabinet; 3. Power button; 4. Locking mechanism; 5. Function button; 6. Circuit breaker; 7. Low-voltage power supply; 8. AC contactor; 9. Central control board; 10. Terminal block; 11. U-shaped cable tray. Detailed Implementation

[0024] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood through the specific circumstances.

[0026] The present invention will be further described below with reference to the accompanying drawings:

[0027] like Figures 1-3 As shown, a power distribution box for cinema projection equipment includes... :The system includes a door panel 1 and a housing 2, with the side ends of the door panel 1 and the housing 2 rotatably connected. The outer surface of the door panel 1 is equipped with a power button 3, a locking mechanism 4, and six function buttons 5. The power button 3 is connected to a circuit breaker 6 in the housing 2. The circuit breaker 6 is connected to one end of a low-voltage power supply 7 in the housing 2. The other end of the low-voltage power supply 7 is connected to the first end of an AC contactor 8 in the housing 2. The second end of the AC contactor 8 is connected to the first end of a central control board 9 in the housing 2. The third end of the AC contactor 8 is connected to the corresponding function button 5. The second end of the central control board 9 is connected to several sensors arranged in the cinema. The third end of the central control board 9 is connected to one end of a terminal block 10 in the housing 2. The other end of the terminal block 10 is connected to the cinema projection equipment. The system also includes a U-shaped cable management board 11, with the first side plate of the U-shaped cable management board 11 located between the AC contactor 8 and the central control board 9, and the second side plate of the U-shaped cable management board 11 located between the central control board 9 and the terminal block 10.

[0028] In some embodiments, the sensor may be a computer room temperature sensor, a computer room humidity sensor, a cinema temperature sensor, a cinema humidity sensor, a PM2.5 detection sensor, a PM10 detection sensor, a sound pressure sensor, or a projection equipment brightness sensor, etc.

[0029] In some embodiments, cinema projection equipment may be an exhaust fan, projector, stage lights, step lights, machine room air conditioner, or auditorium air conditioner, etc.

[0030] In some embodiments, the power distribution box for cinema projection equipment supports remote switching of the equipment and controls the cinema projection equipment via a control panel.

[0031] In some embodiments, if a network failure occurs, the power switch of the cinema projection equipment can be controlled via function button 5.

[0032] In some embodiments, function button 5 may be an exhaust fan button, projector button, amplifier button, stage light button, stair light button, theater air conditioner button, or machine room air conditioner button, etc.

[0033] In some embodiments, when the temperature detected by the theater temperature sensor reaches the set value of 20°C in the winter heating mode, the central control board 9 automatically turns off the theater air conditioner; when the temperature detected by the theater temperature sensor reaches the set value of 17°C, the central control board 9 automatically turns on the theater air conditioner.

[0034] In some embodiments, when the temperature detected by the theater temperature sensor reaches the set value of 20°C in the summer cooling mode, the central control board 9 automatically turns on the theater air conditioner; when the temperature detected by the theater temperature sensor reaches the set value of 17°C, the central control board 9 automatically turns off the theater air conditioner.

[0035] According to this embodiment of the utility model, by setting up a central control board and connecting it with sensors and function buttons in the cinema, centralized management and automated control of the equipment are realized, improving the operating efficiency of the cinema equipment, reducing manual intervention, and enhancing the safety and stability of the projection. The distribution box is equipped with power buttons and function buttons on the outside, allowing users to conveniently control the equipment's switches and ensuring easy operation. The rotating connection design of the distribution box door and body makes maintenance and repair more convenient, allowing maintenance personnel easy access to internal components. Through integrated circuit breakers, low-voltage power supplies, AC contactors, and other components, the distribution box can effectively prevent dangers when the power system malfunctions, improving system safety. The design of connecting the power button to the circuit breaker can quickly cut off the power supply in an emergency, avoiding... To prevent power outages, the distribution box design incorporates multiple function buttons, sensor interfaces, and wiring terminals, supporting various connection requirements with cinema projection equipment. It adapts to different types of cinema projection equipment, facilitating future expansion or equipment replacement. The central control board interacts with the equipment via sensors, enabling intelligent control of the cinema's electrical equipment, providing a better viewing environment and equipment management. The low-voltage power supply and AC contactors in the distribution box, working in conjunction with the function buttons, effectively manage power consumption, preventing unnecessary power waste, thereby improving energy efficiency and reducing operating costs. Precise power control and equipment monitoring ensure stable operation of the projection equipment, preventing projection interruptions due to unstable power supply or equipment failure, guaranteeing smooth projection and a positive audience experience.

[0036] The foregoing has shown and described the basic principles, main features and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of this utility model, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A power distribution box for cinema projection equipment, comprising a door panel (1) and a box body (2), wherein the side ends of the door panel (1) and the side ends of the box body (2) are rotatably connected, characterized in that: The outer surface of the door panel (1) is provided with a power button (3), a locking mechanism (4), and several function buttons (5). The power button (3) is connected to the circuit breaker (6) in the housing (2). The circuit breaker (6) is connected to the low-voltage power supply (7) in the enclosure (2) at one end. The other end of the low-voltage power supply (7) is connected to the first end of the AC contactor (8) in the enclosure (2). The second end of the AC contactor (8) is connected to the first end of the central control board (9) in the housing (2), and the third end of the AC contactor (8) is connected to the corresponding function button (5). The second end of the central control board (9) is connected to several sensors arranged in the cinema. The third end of the central control board (9) is connected to one end of the wiring terminal (10) in the housing (2). The other end of the terminal block (10) is connected to the cinema projection equipment.

2. The power distribution box for cinema projection equipment according to claim 1, characterized in that: It also includes a U-shaped cable tray (11), the first side plate of which is located between the AC contactor (8) and the central control board (9), and the second side plate of which is located between the central control board (9) and the terminal block (10).