Automatic cleaning device based on automobile door guard plate injection molding part

Abstract

The utility model discloses an automatic cleaning device based on an injection molding part of an automobile door protection plate, which relates to the technical field of cleaning instruments and comprises a support frame, a hanging conveying unit and an automatic cleaning unit, the supporting frame is fixedly connected to the lower side of the runway-shaped top plate. The hanging conveying unit comprises a hoisting sliding rail, an electric trolley, a suspension arm, a mounting base, a vacuum suction cup, an air pump and a hook. The automatic cleaning unit is installed at the lower end of the supporting frame and on the right side of the top plate. The hanging and conveying device is provided with the reliable hanging and conveying unit, the automobile door protection plate to be cleaned can be stably and reliably hung and placed, the runway-shaped lifting sliding rail enables the electric trolley to drive the lifting arm and the automobile door protection plate hung below the lifting arm to move in a surrounding mode, and therefore the automobile door protection plate is driven to be sequentially cleaned, air-dried and the like. Operators only need to hang the door protection plate on the suspension arm at the initial position, automatic cleaning and air drying of the door protection plate can be achieved, and great convenience is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to an automatic cleaning device based on an injection molded part of an automobile door guard plate. Background Art

[0002] The door guard is an important part of the car interior. It can improve the aesthetic effect of the car interior, provide appropriate energy absorption protection in the event of a side collision, and shield the noise outside the car. It can also provide a certain installation space and support for accessories such as window lift switches, exterior mirror switches, and speakers. Therefore, the door guard is one of the important components of the car.

[0003] In the production of automobile parts, door guards are mostly injection molded parts produced by injection molding machines. A large number of door guard injection molded parts need to be placed uniformly after production, and they are prone to dust if placed for a long time. Therefore, when assembling automobile parts, the door guard injection molded parts must be cleaned to ensure that the interior area of ​​the car is clean and tidy after assembly. Traditional technology mostly relies on manual cleaning of door guard injection molded parts, which is not convenient and has low work efficiency. For this reason, we propose an automatic cleaning device based on automobile door guard injection molded parts. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automatic cleaning device based on injection molded automobile door guard panels, which has a reliable hanging and conveying unit and can stably and reliably hang and install the automobile door guard panels to be cleaned, thereby ensuring the hanging stability, and the runway-shaped hanging slide rail enables the electric trolley to drive the hanging arm and the automobile door guard panels hung below to move around, thereby driving the automobile door guard panels to be cleaned, air-dried, and the like in sequence. The operator only needs to hang the door guard panels on the hanging arm at the initial position to achieve automatic cleaning and air-drying of the door guard panels, which is very convenient. It also has a reliable automatic cleaning unit, which can automatically control the opening and closing of the spray rack when the automobile door guard panels pass by, and can achieve good water-saving effects while achieving flushing and cleaning, and can recycle flushing waste water, which can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic cleaning device based on an injection molded part of a car door guard plate, comprising a support frame, a hanging and transporting unit and an automatic cleaning unit;

[0006] Support frame: a vertical plate body arranged horizontally, and its upper end is fixedly connected to the lower side of the runway-shaped top plate;

[0007] The hanging and transporting unit comprises a hanging rail, an electric trolley, a hanging arm, a mounting seat, a vacuum suction cup, an air pump and a hook. The lower side of the top plate is fixedly connected with a hanging rail which is also a runway-shaped structure. The interior of the hanging rail is a T-shaped structure. The electric trolley is arranged inside the hanging rail. The hanging arm is arranged vertically. The upper end of the hanging arm passes through the lower end opening of the hanging rail and is fixedly connected to the lower side of the electric trolley. An upwardly hooked hook is fixedly connected at the lower position of the front side of the hanging arm. A mounting seat is fixedly connected at the upper position of the front side of the hanging arm. A vacuum suction cup is fixedly installed at the front end of the mounting seat. An air pump is fixedly installed at the rear side of the hanging arm and at a position corresponding to the horizontal position of the vacuum suction cup. An air hole is opened at the middle end of the vacuum suction cup, and the air hole is connected to the air inlet of the air pump through a pipeline.

[0008] Automatic cleaning unit: installed at the lower end of the support frame and the right side of the top plate.

[0009] The runway-shaped lifting slide rail enables the electric trolley to drive the lifting arm and the car door guard panel mounted below to move in a circle, thereby driving the car door guard panel to be cleaned, air-dried and other operations in sequence. The operator only needs to hang the door guard panel on the lifting arm at the initial position to realize automatic cleaning and air-drying of the door guard panel; when hanging the door guard panel, first align the reserved slot on the inner side of the door guard panel with the hook and buckle it to achieve initial fixation, then press the upper side and the left and right sides of the lower end of the door guard panel, and the air pump is powered on to work, and the air in the vacuum suction cup is discharged, thereby forming a negative pressure environment, achieving suction between the vacuum suction cup and the car door guard panel, and further improving the stability of the door guard panel hanging. The automatic cleaning unit can automatically control the opening and closing of the spray rack when the car door guard panel passes by, saving water while being able to recycle the cleaned waste water.

[0010] Furthermore, the hanging and transporting unit also includes an extension frame and a PLC controller. The lower end of the boom is fixedly connected to the extension frame of an equilateral triangle structure. A vacuum suction cup and matching components are installed at the left and right corners of the extension frame. The upper end of the top plate is installed with a PLC controller. The extension frame is used to install the two vacuum suction cups on the lower side, so as to cooperate with the upper vacuum suction cup to form an adsorption fixation at the equilateral triangle position, and the extension frame can support the car door guard plate to ensure that the door guard plate can stably cope with the impact of water flow during the flushing process. The PLC controller can automatically control the start and stop of the electrical device according to the programming.

[0011] Furthermore, the automatic cleaning unit comprises a transfer water tank, a spray rack, an electric-controlled water valve and an infrared sensor. The transfer water tank is fixedly connected to the right side of the upper end of the top plate. The transfer water tank has a water inlet connected to an external water source. At the right arc edge of the top plate, an array of no less than five spray racks is fixedly connected. The spray rack is tilted and a row of nozzles are installed in a linear array at the lower side. An electric-controlled water valve is installed at the position where each spray rack communicates with the transfer water tank. The right lower end of the top plate is arrayed along the arc edge with the same number of infrared sensors as the spray racks. The transfer water tank is used to pre-store water to supply water to the inside of the spray rack. When the infrared sensors arrayed at the lower end of the arc edge on the right side of the top plate successively detect the moving door guard plate, each electric-controlled water valve is then controlled to open in sequence, so that the spray rack sprays water when the door guard plate passes by, and closes after the door guard plate passes by, thereby realizing the water-saving function.

[0012] Furthermore, the automatic cleaning unit further comprises a wastewater collection tank and a water baffle, the lower end of the support frame is fixedly connected to the middle of the upper end of the wastewater collection tank, the wastewater collection tank is also a runway-type structure, and an arc-shaped water baffle is fixedly connected to the upper right end of the wastewater collection tank. The water baffle can prevent the wastewater from washing the door guard plate from splashing everywhere, and the wastewater collection tank is used to collect the wastewater after washing.

[0013] Furthermore, the automatic cleaning unit also includes a wastewater filter box, a water pump and a water pipe. The wastewater filter box is installed on the outer side of the lower end of the support frame, and the water pump is fixedly connected to the upper end of the top plate. The drainage end of the water pump is connected to the inside of the transfer water tank through the water pipe, and the water inlet end of the water pump is connected to the water outlet of the wastewater filter box through the pipeline laid inside the support frame. The wastewater filter box is used to filter out the soil and debris in the collected wastewater so that the clean water can be recycled, thereby further achieving the water-saving effect.

[0014] Furthermore, it also includes a blower and an air diffuser hood. The blower is fixedly mounted on the left side of the upper end of the top plate, and the arc-shaped air diffuser hood is fixedly connected to the lower left end of the top plate. The blower opening faces downward and is connected to the inside of the air diffuser hood. An infrared sensor is mounted on the left side of the support frame, and the infrared sensor and the blower are both bidirectionally electrically connected to the PLC controller. When the infrared sensor on the left side of the support frame detects that the door guard plate passes by, the blower is powered on, and the blower blows out wind downward through the air diffuser hood, so that the car door guard plate passing by the left side of the support frame is quickly dried.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the automatic cleaning device based on the injection molded parts of the automobile door guard plate has the following advantages:

[0016] 1. It has a reliable hanging and transporting unit, which can stably and reliably hang and install the automobile door guard panels to be cleaned, ensuring the stability of the hanging. The runway-shaped hanging slide rail enables the electric trolley to drive the hanging arm and the automobile door guard panels hung below to move around, thereby driving the automobile door guard panels to be cleaned and air-dried in sequence. The operator only needs to hang the door guard panels on the hanging arm at the initial position to realize automatic cleaning and air-drying of the door guard panels, which is very convenient.

[0017] 2. It has a reliable automatic cleaning unit, which can automatically control the opening and closing of the spray rack when the car door guard passes by, and can achieve good water-saving effect while achieving flushing and cleaning, and recycle the flushing waste water;

[0018] 3. The utility model has a reliable hanging and transporting unit, which can stably and reliably hang and install the automobile door guard plate to be cleaned, ensuring the hanging stability, and the runway-shaped hanging slide rail enables the electric trolley to drive the hanging arm and the automobile door guard plate hung below to move around, thereby driving the automobile door guard plate to be cleaned, air-dried and other operations in turn. The operator only needs to hang the door guard plate on the hanging arm at the initial position to realize automatic cleaning and air-drying of the door guard plate, which is very convenient. It also has a reliable automatic cleaning unit, which can automatically control the opening and closing of the spray rack when the automobile door guard plate passes by, and can achieve good water-saving effect while achieving flushing and cleaning, and can recycle the flushing waste water. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the oblique lower structure of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0022] In the figure: 1 support frame, 2 top plate, 3 hanging transport unit, 31 lifting slide rail, 32 electric trolley, 33 crane arm, 34 mounting seat, 35 vacuum suction cup, 36 air pump, 37 extension frame, 38 hook, 39 PLC controller, 4 automatic cleaning unit, 41 transfer water tank, 42 ​​spray rack, 43 electric control water valve, 44 infrared sensor, 45 wastewater collection tank, 46 water baffle, 47 wastewater filter box, 48 water pump, 49 water pipe, 5 blower, 6 air expansion hood. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-3 , This embodiment provides a technical solution: an automatic cleaning device based on an automobile door guard plate injection molded part, including a support frame 1, a hanging and transporting unit 3 and an automatic cleaning unit 4;

[0025] Support frame 1: a vertical plate body arranged horizontally, and its upper end is fixedly connected to the lower side of the runway-shaped top plate 2;

[0026] The hanging and transporting unit 3 comprises a hanging rail 31, an electric trolley 32, a hanging arm 33, a mounting seat 34, a vacuum suction cup 35, an air pump 36 and a hook 38. The lower side of the top plate 2 is fixedly connected with the hanging rail 31 which is also a runway-shaped structure. The interior of the hanging rail 31 is a T-shaped structure. The electric trolley 32 is arranged inside the hanging rail 31. The hanging arm 33 is arranged vertically. The upper end of the hanging arm 33 passes through the lower end opening of the hanging rail 31 and is fixedly connected to the lower side of the electric trolley 32. The lower position of the front side of the hanging arm 33 is fixedly connected with a hook 38 hooked upward. The upper position of the front side of the hanging arm 33 is fixedly connected with a mounting seat 34. The front end of the mounting seat 34 is fixedly installed with a vacuum suction cup 35. The air pump 36 is fixedly installed at the rear side of the hanging arm 33 and at a position corresponding to the horizontal position of the vacuum suction cup 35. The middle end of the vacuum suction cup 35 is provided with an air hole, which is connected to the air inlet of the air pump 36 through a pipeline.

[0027] Automatic cleaning unit 4: installed at the lower end of the support frame 1 and the right side of the top plate 2.

[0028] The runway-shaped lifting slide rail 31 enables the electric trolley 32 to drive the lifting arm 33 and the automobile door guard panel mounted below to move around, thereby driving the automobile door guard panel to be cleaned, air-dried, and other operations in sequence. The operator only needs to hang the door guard panel on the lifting arm 33 at the initial position to realize automatic cleaning and air-drying of the door guard panel; when hanging the door guard panel, first align the card slot reserved on the inner side of the door guard panel with the hook 38 and buckle it to achieve preliminary fixation, then press the upper side and the left and right sides of the lower end of the door guard panel, and the air pump 36 is powered on to work, and the air in the vacuum suction cup 35 is discharged, thereby forming a negative pressure environment, realizing the suction between the vacuum suction cup 35 and the automobile door guard panel, and further improving the stability of the door guard panel hanging. The automatic cleaning unit 4 can automatically control the opening and closing of the spray rack 42 when the automobile door guard panel passes by, thereby saving water and recycling the cleaned waste water.

[0029] The hanging and transporting unit 3 also includes an extension frame 37 and a PLC controller 39. The lower end of the hanging arm 33 is fixedly connected with the extension frame 37 of an equilateral triangle structure. A vacuum suction cup 35 and matching components are installed at the left and right corners of the extension frame 37. The PLC controller 39 is installed at the upper end of the top plate 2. The extension frame 37 is used to install the two vacuum suction cups 35 on the lower side, so as to cooperate with the upper vacuum suction cup 35 to form an adsorption fixation at the equilateral triangle position, and the extension frame 37 can support the automobile door guard plate to ensure that the door guard plate can stably cope with the impact of water flow during the flushing process. The PLC controller can automatically control the start and stop of the electrical device according to the programming.

[0030] The automatic cleaning unit 4 includes a transfer water tank 41, a spray rack 42, an electric-controlled water valve 43 and an infrared sensor 44. The transfer water tank 41 is fixedly connected to the right side of the upper end of the top plate 2. The transfer water tank 41 has a water inlet pipe connected to an external water source. At the arc edge on the right side of the top plate 2, there are no less than five spray racks 42 fixedly connected in an array. The spray racks 42 are inclined and a row of nozzles are installed in a linear array on the lower side. An electric-controlled water valve 43 is installed at the position where each spray rack 42 is connected to the transfer water tank 41. At the lower right end of the top plate 2, infrared sensors 44 with the same number as the spray racks 42 are arranged in an array along the arc edge. The transfer water tank 41 is used to pre-store water to supply water to the inside of the spray rack 42. When the infrared sensors 44 arranged in an array at the lower end of the arc edge on the right side of the top plate 2 detect the moving door guard plates one after another, the electric-controlled water valves 43 are controlled to open in sequence, so that the spray rack 42 sprays water when the door guard plate passes by, and closes after the door guard plate passes, thereby realizing the water-saving function.

[0031] The automatic cleaning unit 4 further comprises a wastewater collection tank 45 and a water baffle 46. The lower end of the support frame 1 is fixedly connected to the middle of the upper end of the wastewater collection tank 45. The wastewater collection tank 45 is also a runway-type structure, and an arc-shaped water baffle 46 is fixedly connected to the upper right end of the wastewater collection tank 45. The water baffle 46 can prevent the wastewater from washing the door guard plate from splashing everywhere, and the wastewater collection tank 45 is used to collect the wastewater after washing.

[0032] The automatic cleaning unit 4 also includes a wastewater filter box 47, a water pump 48 and a water pipe 49. The wastewater filter box 47 is installed on the outer side of the lower end of the support frame 1, and the water pump 48 is fixedly connected to the upper end of the top plate 2. The drainage end of the water pump 48 is connected to the inside of the transfer water tank 41 through the water pipe 49, and the water inlet end of the water pump 48 is connected to the water outlet of the wastewater filter box 47 through the pipeline laid inside the support frame 1. The wastewater filter box 47 is used to filter out the soil and debris in the collected wastewater so that the clean water can be recycled, thereby further achieving the water-saving effect.

[0033] It also includes a blower 5 and an air diffuser 6. The blower 5 is fixedly mounted on the left side of the upper end of the top plate 2. The air diffuser 6 with an arc structure is fixedly connected to the lower left end of the top plate 2. The blower 5 faces downward and is connected to the inside of the air diffuser 6. An infrared sensor 44 is mounted on the left side of the support frame 1. The infrared sensor 44 and the blower 5 are both bidirectionally electrically connected to the PLC controller 39. When the infrared sensor 44 on the left side of the support frame 1 detects that the door guard plate passes by, the blower 5 is powered on and the blower 5 blows out wind downward through the air diffuser 6, so that the car door guard plate passing by the left side of the support frame 1 is quickly dried.

[0034] The working principle of the automatic cleaning device based on the injection molded parts of the automobile door guard plate provided by the utility model is as follows: the device has a reliable hanging and conveying unit 3, which can stably and reliably hang and install the automobile door guard plate to be cleaned, ensuring the hanging stability, and the runway-shaped hanging slide rail 31 enables the electric trolley 32 to drive the hanging arm 33 and the automobile door guard plate hung below to move around, thereby driving the automobile door guard plate to be cleaned, air-dried and other operations in turn. The operator only needs to hang the door guard plate on the hanging arm 33 at the initial position to realize automatic cleaning and air-drying of the door guard plate, which is very convenient: when hanging the door guard plate, first, the card slot reserved on the inner side of the door guard plate is Align the hook 38 and buckle it to achieve preliminary fixation, then press the upper side and the left and right sides of the lower end of the door guard plate, turn on the air pump 36 to energize and work, and the air in the vacuum suction cup 35 is discharged, thereby forming a negative pressure environment, achieving the suction and fixation between the vacuum suction cup 35 and the car door guard plate, and further improving the stability of the door guard plate hanging; the extension frame 37 is used for the installation of the two vacuum suction cups 35 on the lower side, so as to cooperate with the upper vacuum suction cup 35 to form an adsorption and fixation in the position of a regular triangle, and the extension frame 37 can support the car door guard plate to ensure that the door guard plate can stably cope with the impact of water flow during flushing, and the PLC controller can automatically control the start and stop of the electrical device according to the programming. The device also has a reliable automatic cleaning unit 4, which can automatically control the opening and closing of the spray rack 42 when the car door guard passes by, and can achieve good water-saving effect while achieving flushing and cleaning, and recycle the flushing waste water: the transfer water tank 41 is used to pre-store water to supply water to the inside of the spray rack 42. When the infrared sensors 44 arranged in an array at the lower end of the arc edge on the right side of the top plate 2 successively detect the moving door guard, then control each electric control water valve 43 to open in sequence, so that the spray rack 42 sprays water when the door guard passes by, and closes after the door guard passes by. Thereby achieving the water-saving function; the water baffle 46 can prevent the waste water from washing the door guard plate from splashing everywhere, the wastewater collection pool 45 is used to collect the waste water after washing, further achieving the water-saving effect, and the wastewater filter box 47 is used to filter out the soil and debris in the collected waste water, so that the clean water can be recycled, thereby further achieving the water-saving effect; when the infrared sensor 44 on the left side of the support frame 1 detects that the door guard plate passes by, it controls the blower 5 to be powered on, and the blower 5 blows wind downward through the air expansion hood 6, so that the car door guard plate passing by the left side of the support frame 1 can be quickly dried.

[0035] It is worth noting that the electric trolley 32, air pump 36, electric-controlled water valve 43, infrared sensor 44, water pump 48 and blower 5 disclosed in the above embodiments are all bidirectionally electrically connected to the PLC controller 39, and the PLC controller 39 bidirectionally electrically controls the operation of the electric trolley 32, air pump 36, electric-controlled water valve 43, water pump 48 and blower 5 using methods commonly used in the prior art.

[0036] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Based on the automatic cleaning device for injection molded parts of automobile door guard plates, the characteristics are: It comprises a support frame (1), a hanging and transporting unit (3) and an automatic cleaning unit (4); The support frame (1) is a vertical plate body arranged horizontally, and the upper end of the support frame is fixedly connected to the lower side of the runway-shaped top plate (2); The hanging and transporting unit (3) comprises a hanging rail (31), an electric trolley (32), a hanging arm (33), a mounting seat (34), a vacuum suction cup (35), an air pump (36) and a hook (38). The lower side of the top plate (2) is fixedly connected with a hanging rail (31) which is also a runway-shaped structure. The interior of the hanging rail (31) is a T-shaped structure. The electric trolley (32) is arranged inside the hanging rail (31). The hanging arm (33) is arranged vertically. The upper end of the hanging arm (33) passes through the lower end opening of the hanging rail (31) and is The lifting arm (33) is fixedly connected to the lower side of the electric trolley (32); a hook (38) that is hooked upward is fixedly connected to the lower position of the front side of the lifting arm (33); a mounting seat (34) is fixedly connected to the upper position of the front side of the lifting arm (33); a vacuum suction cup (35) is fixedly installed at the front end of the mounting seat (34); an air pump (36) is fixedly installed at the rear side of the lifting arm (33) and at a position corresponding to the horizontal level of the vacuum suction cup (35); an air hole is opened at the middle end of the vacuum suction cup (35); and the air hole is connected to the air inlet of the air pump (36) through a pipeline; Automatic cleaning unit (4): installed at the lower end of the support frame (1) and the right side of the top plate (2).

2. The automatic cleaning device for automobile door guard plate injection molded parts according to claim 1 is characterized in that: The hanging and transporting unit (3) further comprises an extension frame (37) and a PLC controller (39); the lower end of the hanging arm (33) is fixedly connected to the extension frame (37) of an equilateral triangle structure; a vacuum suction cup (35) and matching components are installed at the left and right corners of the extension frame (37); and the upper end of the top plate (2) is installed with a PLC controller (39).

3. The automatic cleaning device for automobile door guard plate injection molded parts according to claim 1 is characterized in that: The automatic cleaning unit (4) comprises a transfer water tank (41), a spray rack (42), an electric-controlled water valve (43) and an infrared sensor (44). The transfer water tank (41) is fixedly connected to the right side of the upper end of the top plate (2). The transfer water tank (41) has a water inlet pipe connected to an external water source. At the right arc edge of the top plate (2), at least five spray racks (42) are fixedly connected in an array. The spray racks (42) are inclined and a row of spray heads are installed in a linear array at the lower side. An electric-controlled water valve (43) is installed at the position where each spray rack (42) communicates with the transfer water tank (41). At the right lower end of the top plate (2), infrared sensors (44) are arranged in an array along the arc edge, the same number as the number of the spray racks (42).

4. The automatic cleaning device for automobile door guard plate injection molded parts according to claim 1 is characterized in that: The automatic cleaning unit (4) further comprises a wastewater collection tank (45) and a water baffle (46); the lower end of the support frame (1) is fixedly connected to the middle of the upper end of the wastewater collection tank (45); the wastewater collection tank (45) is also a runway-type structure, and an arc-shaped water baffle (46) is fixedly connected to the upper right end of the wastewater collection tank (45).

5. The automatic cleaning device for automobile door guard plate injection molded parts according to claim 3 is characterized in that: The automatic cleaning unit (4) further comprises a wastewater filter box (47), a water pump (48) and a water pipe (49); the wastewater filter box (47) is installed on the outer side of the lower end of the support frame (1); the water pump (48) is fixedly connected to the upper end of the top plate (2); the drainage end of the water pump (48) is connected to the interior of the transfer water tank (41) through the water pipe (49); the water inlet end of the water pump (48) is connected to the water outlet of the wastewater filter box (47) through a pipeline laid inside the support frame (1).

6. The automatic cleaning device for automobile door guard plate injection molded parts according to claim 1 is characterized in that: The invention also comprises a blower (5) and an air diffuser (6), wherein the blower (5) is fixedly mounted on the left side of the upper end of the top plate (2), and the air diffuser (6) with an arc-shaped structure is fixedly connected to the lower left end of the top plate (2), and the outlet of the blower (5) faces downward and is connected to the inside of the air diffuser (6). An infrared sensor (44) is mounted on the left side of the support frame (1), and the infrared sensor (44) and the blower (5) are both bidirectionally electrically connected to the PLC controller (39).

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