CN210109543U - A projector temperature control box with automatic cleaning function of transparent glass - Google Patents

Abstract

The utility model discloses a temperature control box for a projector with an automatic cleaning function of transparent glass, which comprises a protective box, a water spray unit and a dust scraping unit; the protective box: the protective box is a rectangular protective box, and the inside of the protective box is installed There are projectors and controllers, light-transmitting glass is installed in the middle of the front side of the protective box, and a protective plate is installed at the bottom of the front side of the protective box; water spray unit: the water spray unit is installed on the front side of the protective box, and the water spray unit It includes a bottom water storage tank and a spray water pump, the bottom water storage tank is installed at the bottom end of the protective box, the spray water pump is installed at the bottom of the front side of the protective box, and communicates with the bottom water storage tank, and the spray water pump is installed with The utility model provides a temperature control box for a projector with an automatic cleaning function of transparent glass, which can automatically clean the transparent glass and scrape off the dust on the transparent glass, which greatly reduces manual maintenance. frequency.

Description

A projector temperature control box with automatic cleaning function of transparent glass

technical field

The utility model relates to the technical field of temperature control boxes, in particular to a projector temperature control box with the function of automatic cleaning of light-transmitting glass.

Background technique

A temperature control box is a box that can control the temperature. It can change the internal temperature through a cooling or heating device. Because the projector needs to run for a long time during work, it is easy to heat up and is easily damaged when exposed to the outside. Therefore, a temperature control box is required to assist. The existing outdoor projector protective box and temperature control box do not have the function of automatic cleaning of the light-transmitting glass, which must be maintained by manual workers on a regular basis, which is relatively labor-intensive. Due to the complex outdoor environment, especially when there is a lot of dust or installed on the top of high-rise buildings, daily maintenance is very inconvenient.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide a projector temperature control box with the function of automatic cleaning of the transparent glass, which can automatically clean the transparent glass and clean the dust on the transparent glass. The frequency of manual maintenance is greatly reduced, the maintenance cost is saved, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present invention provides the following technical solutions: a temperature control box for a projector with an automatic cleaning function of light-transmitting glass, comprising a protective box, a water spray unit and a dust scraping unit;

Protective box: the protective box is a rectangular protective box, a projector and a controller are installed inside the protective box, a light-transmitting glass is installed in the middle of the front side of the protective box, and a protective plate is installed on the bottom of the front side of the protective box;

Water spray unit: The water spray unit is installed on the front side of the protective box. The water spray unit includes a bottom water storage tank and a spray water pump. The bottom water storage tank is installed at the bottom end of the protective box. The bottom of the front side of the protective box is connected with the bottom water storage tank, and the sprinkler is installed on the spray pump, and the water outlet of the sprinkler faces upward;

Dust scraping unit: The dust scraping unit is installed at the bottom end of the front side of the protective box. The dust scraping unit includes a wiper, a pulley, a linear slide, a timing belt, a second pulley and a servo motor. The servo motor is installed on the protective plate. On the rear side of the protective plate, the second pulley is installed on the output shaft of the servo motor. The bottom end of the wiper is installed on the inner side of the synchronous belt, and the bottom end of the wiper is installed with a slider, the linear sliding rail is installed on the rear side of the protective plate, and the sliding block is slidably connected with the linear sliding rail;

Wherein: the input terminal of the internal controller is electrically connected with the output terminal of the external power supply, and the output terminal of the internal controller is electrically connected with the input terminal of the servo motor and the water jet pump.

Further, it also includes a right limit switch and a left limit switch, the right limit switch and the left limit switch are both installed on the rear side of the protective plate, and the right limit switch and the left limit switch are located below the linear slide rail. , the right limit switch and the left limit switch are electrically connected to the internal controller in both directions, the contacts of the right limit switch and the left limit switch are closed under the pressure of the slider, the information is transmitted to the internal controller, and then the servo motor is controlled to reverse Rotate in the direction to realize the function of reciprocatingly driving the wiper to scrape dust.

Further, the left limit switch is located directly below the left end of the transparent glass, and the right limit switch is located directly under the right end of the transparent glass, which can control the cleaning range of the wiper and realize the function of reciprocating dust scraping.

Further, a rubber strip is installed on the wiper, and the rubber strip is in contact with the light-transmitting glass. By using the rubber strip to contact the light-transmitting glass, dust can be removed efficiently and the cleanliness of the light-transmitting glass can be ensured.

Compared with the prior art, the beneficial effects of the present utility model are: the temperature control box of the projector with the automatic cleaning function of the transparent glass has the following advantages:

By setting the water spraying unit and the dust scraping unit, water spraying and dust scraping can be performed regularly when the projector is not working, and the dust and debris on the glass surface can be removed by rubber strips, so as to maintain a good projection effect of the light-transmitting glass, and the automatic cleaning function To a large extent, the number of manual maintenance and the cost of manual maintenance are reduced.

Description of drawings

Fig. 1 is the structural representation of the utility model;

2 is a schematic diagram of the internal structure of the protective plate of the present invention;

Fig. 3 is a partial enlarged structural schematic diagram of A of the utility model.

In the picture: 1 protective box, 2 light-transmitting glass, 3 protective plate, 4 dust scraping unit, 41 wiper, 42 pulley 1, 43 linear slide rail, 44 synchronous belt, 45 pulley 2, 46 servo motor, 5 water spray unit, 51 bottom water tank, 52 water jet pump, 6 right limit switch, 7 left limit switch.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below 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, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a temperature control box for a projector with an automatic cleaning function of transparent glass, comprising a protective box 1, a water spray unit 5 and a dust scraping unit 4;

Protective box 1: The protective box 1 is a rectangular protective box, which protects the valuable projector inside from the interference of external factors. The projector and the controller are installed inside the protective box 1. The middle of the front side of the protective box 1 is installed with transparent glass. 2. A protective plate 3 is installed on the bottom of the front side of the protective box 1, and the protective plate 3 is used to install the water spray unit 5 and the dust scraping unit 4;

Water spray unit 5: The water spray unit 5 is installed on the front side of the protective box 1. The water spray unit 5 includes a bottom water storage tank 51 and a water spray pump 52. The bottom water storage tank 51 is installed at the bottom end of the protective box 1, and the bottom storage tank 51 The water in the water tank 51 can come from the water generated by the daily operation of the internal air conditioner or an external water pipe. The spray pump 52 is installed at the bottom of the front side of the protective box 1 and communicates with the bottom water storage tank 51. The spray pump 52 is installed with a sprinkler head, The water outlet of the sprinkler head faces upward, and the water spray pump 52 is used to suck out the water from the bottom water storage tank 51 and spray it on the transparent glass 2 through the sprinkler head;

Dust scraping unit 4: The dust scraping unit 4 is installed at the bottom end of the front side of the protective box 1 to scrape the dust on the transparent glass 2. The dust scraping unit 4 includes a wiper 41, a pulley 42, a linear slide rail 43, The synchronous belt 44, the second pulley 45 and the servo motor 46, the servo motor 46 is installed on the rear side of the protective plate 3 to provide driving force for the dust scraping unit 4, the second pulley 45 is installed on the output shaft of the servo motor 46, and the first pulley 42 rotates Connected to the fixed block, the fixed block is installed on the rear side of the protective plate 3, the first pulley 42 and the second pulley 45 are connected by the synchronous belt 44, when the servo motor 46 rotates, it drives the second pulley 45 to rotate, and the second pulley 45 passes through the synchronous belt 44. Drive the pulley one 42 to rotate synchronously, the bottom end of the wiper 41 is installed on the inner side of the synchronous belt 44, and the bottom end of the wiper 41 is installed with a slider, the wiper 41 is installed with a rubber strip, and the rubber strip is in contact with the transparent glass 2, using The rubber strip reciprocates to wipe the light-transmitting glass 2, the linear slide rail 43 is installed on the rear side of the protective plate 3, and the slide block is slidably connected with the linear slide rail 43. When the synchronous belt 44 rotates, it drives the slide block to move laterally, and the slide block moves along the The linear slide rail 43 moves and drives the upper wiper 41 to move, and the rubber strip on the wiper 41 wipes the transparent glass 2;

Wherein: the input end of the internal controller is electrically connected to the output end of the external power supply, and the output end of the internal controller is electrically connected to the input end of the servo motor 46 and the water jet pump 52, which also includes the right limit switch 6 and the left limit switch The switch 7, the right limit switch 6 and the left limit switch 7 are provided with contacts, the right limit switch 6 and the left limit switch 7 are installed on the rear side of the protective plate 3, the right limit switch 6 and the left limit switch 7 is located below the linear slide 43, the right limit switch 6 and the left limit switch 7 are electrically connected to the internal controller in both directions, the left limit switch 7 is located just below the left end of the transparent glass 2, and the right limit switch 6 is located in the transparent glass 2. Just below the right end of the light glass 2, it controls the moving range of the wiper 41. When the right limit switch 6 is touched, the slider presses the contact above the right limit switch 6. When the contact is closed, the information is transmitted to the internal controller. The controller controls the servo motor 46 to rotate in the reverse direction, which indirectly drives the wiper 41 to move in the reverse direction to realize the reciprocating motion.

In use: when cleaning, turn on the water spray pump 52, the water inlet of the water spray pump 52 absorbs water from the bottom water storage tank 51, and sends the water to the sprinkler head to be sprayed on the transparent glass 2, when scraping dust, turn on the servo The output shaft of the motor 46 and the servo motor 46 drives the second pulley 45 to rotate. The second pulley 45 drives the first pulley 42 to rotate through the synchronous belt 44. The rotation of the synchronous belt 44 drives the slider to move to the right along the linear slide 43, and the slider drives the wiper 41. The rubber strip on its surface scrapes the light-transmitting glass 2, and when it moves to the top of the right limit switch 6, the slider squeezes the top of the right limit switch 6, the contact of the right limit switch 6 is closed, and the servo motor is controlled. 46 moves in the opposite direction, and similarly moves to the left limit switch 7 to complete a cycle.

It is worth noting that the model of the internal controller disclosed in this embodiment is STC10F12XE, the model of the servo motor 46 is 42JSF330AS-1000, the model of the spray pump 52 is the model of the right limit switch 6 and the left limit switch 7 All use XCMD2110L1, and the control switch group controls the servo motor 46, the water jet pump 52, the right limit switch 6 and the left limit switch 7 to work using the methods commonly used in the prior art.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (4)

1. A projector temperature control box with a transparent glass automatic cleaning function, characterized in that: comprising a protective box (1), a water spray unit (5) and a dust scraping unit (4); Protective box (1): the protective box (1) is a rectangular protective box, a projector and a controller are installed inside the protective box (1), and a transparent glass (2) is installed in the middle of the front side of the protective box (1). , a protective plate (3) is installed at the bottom of the front side of the protective box (1); Water spray unit (5): the water spray unit (5) is installed on the front side of the protective box (1), and the water spray unit (5) includes a bottom water storage tank (51) and a water spray pump (52). The bottom water storage tank (51) is installed at the bottom end of the protective box (1), the spray water pump (52) is installed on the bottom of the front side of the protective box (1), and communicates with the bottom water storage tank (51). (52) is equipped with a sprinkler head, and the water outlet of the sprinkler head faces upward; Dust scraping unit (4): the dust scraping unit (4) is installed at the bottom end of the front side of the protective box (1), and the dust scraping unit (4) includes a wiper (41), a pulley (42), a linear slide rail (43), a synchronous belt (44), a second pulley (45) and a servo motor (46), the servo motor (46) is installed on the rear side of the protective plate (3), and the second pulley (45) is installed on the servo motor ( 46) on the output shaft, the first pulley (42) is rotatably connected to the fixed block, the fixed block is installed on the rear side of the protective plate (3), the first pulley (42) and the second pulley (45) pass through the synchronous belt (44) connection, the bottom end of the wiper (41) is mounted on the inner side of the timing belt (44), and the bottom end of the wiper (41) is mounted with a slider, and the linear slide rail (43) is mounted on the protective plate (3) rear side, and the slider is slidably connected with the linear slide rail (43); Wherein: the input end of the internal controller is electrically connected with the output end of the external power supply, and the output end of the internal controller is electrically connected with the input ends of the servo motor (46) and the water jet pump (52). 2. A projector temperature control box with a transparent glass automatic cleaning function according to claim 1, characterized in that it further comprises a right limit switch (6) and a left limit switch (7), the right limit switch (6) The limit switch (6) and the left limit switch (7) are both installed on the rear side of the protective plate (3), and the right limit switch (6) and the left limit switch (7) are located below the linear slide rail (43) , the right limit switch (6) and the left limit switch (7) are electrically connected to the internal controller bidirectionally. 3. A projector temperature control box with an automatic cleaning function of transparent glass according to claim 2, characterized in that: the left limit switch (7) is located just below the left end of the transparent glass (2), The right limit switch (6) is located just below the right end of the transparent glass (2). 4. A projector temperature control box with automatic cleaning function of transparent glass according to claim 1, characterized in that: a rubber strip is installed on the wiper (41), the rubber strip and the transparent glass (2) touch.

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