Intelligent constant-temperature box body of projector

Abstract

The utility model belongs to the technical field of camera external equipment, in particular to an intelligent constant temperature box body of a projector, which comprises a box body, a bin cover, a light-emitting window and a projector, the bin cover is arranged on the outer end face of one side of the box body, the light-emitting window is arranged on the inner end face of the other side of the box body, and the projector is arranged on one side in the box body. According to the utility model, the double control systems are arranged, the local control system and the remote Internet of Things system are intelligently switched, and the local control system controls the on / off of the box body and the projector through the network; setting the temperature and humidity of the box body; box body fault information is actively reported; according to the utility model, remote control is carried out on the projector, functions of startup and shutdown, lens displacement, zooming, focusing, projector signal source switching, projector error information reporting and the like can be carried out on the projector, and a third-party central control system control interface can be opened to a third-party central control system to realize control on the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of camera external equipment, in particular to an intelligent constant temperature box for a projector. Background Art

[0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to computers, VCDs, DVDs, BDs, game consoles, DVs, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools, and entertainment venues. Depending on the working mode, there are different types such as CRT, LCD, DLP, and 3LCD. When the projector is in use, a protective box may be used outside to protect the projector theme.

[0003] The prior art has the following deficiencies: the "front maintenance rear projection projector box" with the publication number CN204832756U in the prior art "includes a box frame and a screen frame for assembling a screen assembly, the box frame and the screen frame are connected by two connecting units, each connecting unit includes a push plate, a gas spring and a rocker assembly, the screen frame is hingedly connected to the upper part of the push plate, a gas spring is installed on the upper part of the push plate, the output end of the gas spring is fixedly connected to the screen frame, the lower part of the push plate is hinged to one end of the rocker assembly, the other end of the rocker assembly is hinged to the box frame, the middle part of the push plate is slidably connected to the box frame, an unlocking mechanism is installed on the screen frame, a positioning lock mechanism is installed on the push plate, the front and rear travel of the positioning lock mechanism is adjustable, and when the screen frame is closed, the unlocking mechanism and the positioning lock mechanism respectively lock the screen frame to the push plate";

[0004] The above structure, through the screen frame, box frame, push plate, gas spring and rocker assembly, can make the device structure controllable and accurately position the screen. However, since the projector will generate a large amount of heat energy when in use, the temperature will remain high in the closed structure of the box, affecting the normal operation of the projector.

[0005] The prior art has the following problems:

[0006] 1. The current projector cabinet does not use novel methods for wireless control. Traditional wired control is cumbersome, with a small control range, and cannot be used flexibly and expansibly.

[0007] 2. When the projector is placed inside the current projector cabinet, the temperature will continue to rise due to the closed or semi-closed space, affecting the normal operation of the projector and making it inconvenient to use in harsh environments. Utility Model Content

[0008] In view of the deficiencies in the prior art, the utility model provides an intelligent constant temperature box for a projector, which solves the existing problems.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a projector intelligent constant temperature box, comprising a box, a compartment cover, a light exit window and a projector, wherein the compartment cover is arranged on an outer end surface of one side of the box, the light exit window is arranged on an inner end surface of the other side of the box, the projector is arranged on one side of the inner part of the box, a projector tray is arranged at the bottom of the projector, a positioning pin is arranged at the upper end of the projector tray, and a mounting block is arranged at the bottom of the box;

[0010] A slide rail is also provided at the side end of the projector tray, a jack is provided at the bottom end of the box body, a first screw and a second screw are respectively provided at the side end and the bottom end of the jack, a dual temperature control system is provided on the other side of the box body, a dual control system is provided on the outer side of the bottom end of the box body, and a guide rail slider is provided on one side of the slide rail.

[0011] As a preferred technical solution of the utility model, the projector also includes a projector base plate, screws, and a projector lens. The projector base plate is fixedly connected to the outer end of the projector through fixed installation. The screws specifically use a 6*m6 model. The projector lens is movably connected to the projector through a socket connection.

[0012] As an optimal technical solution of the utility model, the box body is designed as a waterproof and ventilated structure as a whole, and a ground wire interface is reserved. It specifically adopts a double-layer structure and the surface is treated with anti-corrosion and rust prevention. It is specifically sprayed with arc coating technology, and has IP65 level waterproof and dustproof effect. There is an internal heat insulation layer, and the internal space is a combination of aluminum profile structure and rectangular rigid tube, with built-in surge protection electrical switch and electrical plug interface. The box body has a built-in lightning protection module, which can achieve T2 level lightning protection, and the appearance color of the box body can be customized.

[0013] As a preferred technical solution of the utility model, the projector structure inside the box can be adjusted in pitch and horizontally with a maximum limit of 10 degrees through the projector tray, and the projector can be pulled and slid sideways through the slide rail.

[0014] As a preferred technical solution of the utility model, the light exit window has been tested to have a transmittance of >96%, and has a built-in defogger.

[0015] As a preferred technical solution of the utility model, the inside and outside of the box are entirely sprayed with PCB three-proof paint, and the humidity range is controlled within 20-70%.

[0016] As a preferred technical solution of the utility model, the dual temperature control system is specifically an intelligent constant temperature control system and an emergency heat dissipation and self-exhaust system. Under the intelligent constant temperature fully enclosed internal circulation state, the box can be kept constant at any temperature between 18-28°C, and the temperature control accuracy is <±2°C. When the box is in the emergency heat dissipation state, the fan adopts a PWM algorithm, and the fan speed is adaptively adjusted following the temperature, so that the temperature difference control accuracy inside and outside the box is <±2°C.

[0017] As a preferred technical solution of the present utility model, the dual control system is specifically a local control system and a remote Internet of Things system, and the dual control system is unattended through intelligent switching.

[0018] Compared with the prior art, the utility model provides an intelligent constant temperature box for a projector, which has the following beneficial effects:

[0019] 1. This kind of intelligent constant temperature box for projector is provided with a dual control system, through intelligent switching between the local control system and the remote Internet of Things system, and through the local control system, it controls the box and the projector to turn on and off through the network; sets the temperature and humidity of the box; realizes active reporting of box fault information; remotely controls the projector, and can turn the projector on and off, shift the lens, zoom, focus, switch the projector signal source, report the projector error information and other functions; it can also be opened to the third-party central control system through the control interface of the third-party central control system to realize the control of the box; the remote Internet of Things control system can monitor the box operation status, temperature, error information, etc. Through the above settings, the device structure can better use the network to control the photographic equipment, so as to carry out flexible expansion and use.

[0020] 2. This kind of projector intelligent constant temperature box is equipped with a dual temperature control system and a box containing an insulation structure. When the projector is operating inside the equipment, the intelligent constant temperature control system and the emergency heat dissipation self-exhaust system, under the intelligent constant temperature fully enclosed internal circulation state, the box can be kept constant at any temperature between 18-28°C, and the temperature control accuracy is <±2°C. When the box is in the emergency heat dissipation state, the fan adopts PWM algorithm, and the fan speed is adaptively adjusted following the temperature, so that the temperature difference control accuracy inside and outside the box is <±2°C. Through the above settings, the projector equipment can be accurately kept constant when operating inside the box, thereby keeping the projector at the optimal operating temperature.

[0021] 3. This kind of projector intelligent constant temperature box is equipped with a specially treated box structure, a lightning protection module and a reserved ground wire interface, and the PCB inside and outside the box are all sprayed with three-proof paint. The equipment can be used in different environments, and the anti-corrosion, anti-rust and lightning protection effects are good. The equipment can be used in most harsh environments, thereby enhancing the applicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the projector of the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the projector of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the projector tray of the utility model.

[0026] In the figure: 1. cabinet; 2. compartment cover; 3. light exit window; 4. projector; 401. projector bottom plate; 402. screw; 403. projector lens; 5. projector tray; 6. positioning pin; 7. slide rail; 8. jack; 9. first screw rod; 10. guide rail slider; 11. second screw rod; 12. mounting block; 13. dual temperature control system; 14. dual control system. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 In this embodiment: a projector intelligent constant temperature box, including a box 1, a compartment cover 2, a light exit window 3 and a projector 4, the compartment cover 2 is arranged on the outer end surface of one side of the box 1, the compartment cover 2 can seal the box 1 externally, the light exit window 3 is arranged on the inner end surface of the other side of the box 1, the light exit window 3 is used as a projection channel of the projector 4, the projector 4 is arranged on one side of the inner part of the box 1, a projector tray 5 is arranged at the bottom of the projector 4, the projector tray 5 is used to support the installation and fixation of the projector 4, a positioning pin 6 is arranged at the upper end of the projector tray 5, the positioning pin 6 is used to position the projector 4, and a mounting block 12 is arranged at the bottom of the box 1, and the mounting block 12 is used to assist in fixing the box 1;

[0029] A slide rail 7 is also provided at the side end of the projector tray 5, and a jack 8 is provided at the bottom end of the box body 1. The jack 8 is used to support part of the external structure of the projector 4. The side end and the bottom end of the jack 8 are respectively provided with a first screw 9 and a second screw 11. The first screw 9 and the second screw 11 are used to help fix the internal structure of the box body 1. A dual temperature control system 13 is provided on the other side of the box body 1. The dual temperature control system 13 is used to maintain a constant temperature inside the box body 1. A dual control system 14 is provided on the outer side of the bottom end of the box body 1. The dual control system 14 can expand the control method of the device. A guide rail slider 10 is provided on one side of the slide rail 7. The slide rail 7 and the guide rail slider 10 are used to support the side sliding of the projector 4.

[0030] In this embodiment, the projector 4 also includes a projector base plate 401, screws 402, and a projector lens 403. The projector base plate 401 is fixedly installed and has a fixed connection with the outer end of the projector 4. The screws 402 specifically use a 6*m6 model. The projector lens 403 is movably connected to the projector 4 through a socket. The overall design of the box body 1 is a waterproof and ventilated structure, and a ground wire interface is reserved. It specifically adopts a double-layer structure and the surface is treated with anti-corrosion and anti-rust. It is specifically treated with arc coating technology spraying, and has IP65 waterproof and dustproof effects. There is an internal heat insulation layer. The internal space adopts an aluminum profile structure and a rectangular steel tube combination, and has a built-in surge protection electrical switch and an electrical plug interface. The box body 1 has a built-in lightning protection module to achieve T2 level lightning protection, and the appearance color of the box body 1 can be customized. The external spraying treatment can prevent salt spray and rain from corroding the surface of the box body 1; the projector 4 structure inside the box body 1 can be adjusted in pitch and horizontally rotated with a maximum limit of 10 degrees through the projector tray 5. The projector 4 can be slid and pulled sideways by the slide rail 7, and the projector 4 can be made more flexible by setting a 10-degree pitch adjustment and horizontal rotation. The light outlet window 3 has been tested to have a transmittance of >96%, and has a built-in defogger. The inside and outside of the box 1 are all sprayed with three-proof paint on the PCB, and the humidity range is controlled at 20-70%. By using the PCB sprayed with three-proof paint, the degradation of electronic operating performance can be reduced or eliminated, and electronic decay, corrosion of conductors and even short circuits caused by circuit board pollutants can be prevented; the dual temperature control system 13 is specifically an intelligent constant temperature control system and an emergency heat dissipation self-exhaust system. Under the intelligent constant temperature fully enclosed internal circulation state, the box 1 can be kept constant at any temperature between 18-28°C, and the temperature control accuracy is <±2°C. When the box 1 is in the emergency heat dissipation state, the fan adopts a PWM algorithm, and the fan speed is adaptively adjusted according to the temperature, so that the temperature difference control accuracy of the inside and outside of the box 1 is <±2°C; the dual control system 14 is specifically a local control system and a remote Internet of Things system, and the dual control system 14 is unattended through intelligent switching.

[0031] The working principle and use process of the utility model are as follows: the operator controls the projector 4 through the conventional operation mode, and can expand the control through the local or remote Internet of Things, such as controlling the cabinet 1 and the projector to turn on and off through the network; setting the temperature and humidity of the cabinet 1; realizing the active reporting of the cabinet 1 fault information; remotely controlling the projector, and being able to turn on and off the projector, lens displacement, zoom, focus, projector signal source switching, projector error information reporting and other functions; and can also be opened to the third-party central control system through the control interface of the third-party central control system to realize the control of the cabinet 1, through The remote Internet of Things control system can monitor the operating status, temperature, error information, etc. of the cabinet 1; when the projector 4 is operating inside the equipment, the intelligent constant temperature control system and the emergency heat dissipation and self-exhaust system operate independently. Under the intelligent constant temperature fully enclosed internal circulation state, the cabinet 1 can be kept constant at any temperature between 18-28°C, and the temperature control accuracy is <±2°C. When the cabinet 1 is in the emergency heat dissipation state, the fan adopts PWM algorithm, and the fan speed is adaptively adjusted following the temperature, so that the temperature difference control accuracy between the inside and outside of the cabinet 1 is <±2°C. Through the above settings, the projector 4 equipment can be accurately kept constant when operating inside the cabinet 1.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A projector intelligent constant temperature box, characterized in that: The invention comprises a box body (1), a compartment cover (2), a light exit window (3) and a projector (4), wherein the compartment cover (2) is arranged on an outer end surface of one side of the box body (1), the light exit window (3) is arranged on an inner end surface of the other side of the box body (1), the projector (4) is arranged on one side inside the box body (1), a projector tray (5) is arranged at the bottom of the projector (4), a positioning pin (6) is arranged at the upper end of the projector tray (5), and a mounting block (12) is arranged at the bottom of the box body (1); The invention is characterized in that: a slide rail (7) is also arranged at the side end of the projector tray (5); a jack (8) is arranged at the bottom end of the box body (1); a first screw rod (9) and a second screw rod (11) are arranged at the side end and the bottom end of the jack (8) respectively; a dual temperature control system (13) is arranged at the other side of the box body (1); a dual control system (14) is arranged at the outer side of the bottom end of the box body (1); and a guide rail slider (10) is arranged at one side of the slide rail (7).

2. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The projector (4) further comprises a projector base plate (401), screws (402), and a projector lens (403); the projector base plate (401) is fixedly connected to the outer end of the projector (4) by fixed installation; the screws (402) are specifically of the 6*m6 type; and the projector lens (403) is movably connected to the projector (4) by means of a socket connection.

3. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The box (1) is designed as a waterproof and ventilated structure as a whole, and a ground wire interface is reserved. Specifically, a double-layer structure is adopted, and the surface is treated with anti-corrosion and anti-rust. Specifically, arc coating technology is adopted for spraying treatment, and it has IP65 waterproof and dustproof effect. There is a heat insulation layer inside. The internal space adopts an aluminum profile structure and a rectangular steel tube combination, and a surge protection electrical switch and an electrical plug interface are built in. The box (1) has a built-in lightning protection module, which can achieve T2 level lightning protection, and the appearance color of the box (1) can be customized.

4. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The projector (4) structure inside the box (1) can be adjusted in pitch and horizontally with a maximum limit of 10 degrees through the projector tray (5), and the projector (4) can be pulled out and slid sideways through the slide rail (7).

5. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The light exit window (3) has been tested to have a transmittance of more than 96%, and has a built-in defogger.

6. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The inside and outside of the box (1) are entirely coated with PCB anti-corrosion paint, and the humidity range is controlled within 20-70%.

7. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The dual temperature control system (13) is specifically an intelligent constant temperature control system and an emergency heat dissipation self-exhaust system. In the intelligent constant temperature fully enclosed internal circulation state, the box (1) can maintain a constant temperature between 18 and 28°C, with a temperature control accuracy of less than ±2°C. In the emergency heat dissipation state, the fan of the box (1) adopts a PWM algorithm, and the fan speed is adaptively adjusted according to the temperature, so that the temperature difference between the inside and outside of the box is controlled with an accuracy of less than ±2°C.

8. The intelligent constant temperature box for a projector according to claim 1, characterized in that: The dual control system (14) is specifically a local control system and a remote Internet of Things system, and the dual control system (14) is unattended through intelligent switching.

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