Heating ventilation air conditioner cold and heat exchange device capable of preventing dust accumulation

Abstract

The utility model relates to the technical field of heating ventilation air conditioners, and discloses a heating ventilation air conditioner cold and heat exchange device capable of preventing dust accumulation, which comprises a heat exchange box, two ends of the heat exchange box are respectively communicated with an air inlet pipe and an exhaust pipe, one end of the exhaust pipe is provided with a filtering mechanism, and an electric opening and closing mechanism is arranged in the heat exchange box. According to the cold and heat exchange device of the heating ventilation air conditioner, external air is filtered through an air filter plate in an air inlet sleeve, so that dust and impurities are prevented from entering, the situation that the air subjected to cold and heat exchange harms a human body is avoided, meanwhile, a servo motor drives a rotating shaft to rotate, and the rotating shaft rotates to drive a strip-shaped brush on the outer side of the air filter plate to rotate; filtered dust is prevented from being accumulated on the outer side of the air filter plate, blockage of the air filter plate is avoided, the air inlet efficiency is guaranteed, the air filter plate does not need to be frequently taken down for cleaning, the working efficiency is improved, use is easier and more convenient, and the air filter plate is pulled out outwards through the air inlet sleeve and can be conveniently taken down for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of heating, ventilation and air conditioning, in particular to a heating, ventilation and air conditioning cold and heat exchange device capable of preventing dust accumulation. Background Art

[0002] HVAC is an air conditioner with heating, ventilation and air conditioning functions. Since the main functions of HVAC include heating, ventilation and air conditioning, the comprehensive abbreviation of these three functions is HVAC. The most fundamental goal of HVAC is to achieve the regulation of ambient temperature to meet people's requirements for environmental comfort and some processability.

[0003] Currently, HVAC systems need to draw outside air into an exchange box for heat exchange and then discharge it into the room.

[0004] According to the "A Hot and Cold Exchange Device for HVAC" proposed in CN214148316U, the hot and cold exchange device for HVAC includes a heat exchange box, a filter plate and an auxiliary mechanism. The filter plate is installed inside the air intake pipe through a locking mechanism. A rotating shaft is fixedly installed on the side wall of the filter plate. The other end of the rotating shaft is rotatably connected to a locking block. A sliding groove is provided on the inner wall of the air intake pipe. The locking block is slidably connected to the sliding groove. A receiving groove communicating with the sliding groove is also provided on the inner wall of the air intake pipe. The plug block is slidably connected inside the receiving groove, and a spring is fixedly connected between the plug block and the inner wall of the receiving groove. A slot is provided at one end of the locking block away from the rotating shaft, and the auxiliary mechanism is installed on the side wall of the filter plate. The hot and cold exchange device for HVAC provided by the utility model has the advantages of being able to purify and filter the gas when absorbing external air, and being able to quickly install and disassemble the filter device to save time.

[0005] However, the above-mentioned heat exchange device for HVAC is not convenient for cleaning the air filter plate, and the filtered dust accumulates on the outside of the air filter plate, which is easy to cause blockage and affect the air intake efficiency. Utility Model Content

[0006] In view of the above-mentioned technical deficiencies, the purpose of the utility model is to provide a HVAC heat exchange device that prevents dust accumulation. The strip brush rotates to clean the air filter plate, preventing the filtered dust from accumulating on the outside of the air filter plate, avoiding its clogging and ensuring the air intake efficiency.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A HVAC heat exchange device for preventing dust accumulation, comprising a heat exchange box, wherein both ends of the heat exchange box are respectively connected with an air intake pipe and an exhaust pipe, a filter mechanism is installed at one end of the exhaust pipe, and an electric opening and closing mechanism is installed inside the heat exchange box;

[0009] The filtering mechanism includes an air intake sleeve, which is sleeved on one end of the outer side of the air intake pipe. A servo motor is installed inside the air intake sleeve, and an air filter plate is arranged outside the servo motor. The air filter plate is slidably connected to the inside of the air intake sleeve. The rotating shaft of the servo motor passes through the middle of the air filter plate, and a strip brush is installed on one end of the outer side of the rotating shaft.

[0010] Through the above technical scheme, the external air is filtered through the air filter plate inside the air intake sleeve, thereby preventing dust and impurities from entering, and preventing the air after the hot and cold exchange from causing harm to the human body. At the same time, the servo motor drives the shaft to rotate, and the rotation of the shaft drives the strip brush on the outside of the air filter plate to rotate, thereby cleaning the air filter plate, preventing the filtered dust from accumulating on the outside of the air filter plate, avoiding its clogging, ensuring the air intake efficiency, and eliminating the need to frequently remove the air filter plate for cleaning, thereby improving work efficiency and making it easier and more convenient to use. The air intake sleeve can be pulled outward to facilitate its removal and maintenance. By rotating the protective cover, one end of the outer side of the air intake sleeve can be opened, thereby taking out the strip brush and the air filter plate, and repairing and replacing them.

[0011] The micro electric push rod and electric telescopic rod are controlled by the switch on the front of the door, which is convenient for opening, closing and locking the door. The electric telescopic rod pushes the door to open or close from the inside of the heat exchanger box. Compared with the traditional threaded door, it is easier to open and the maintenance is convenient and quick.

[0012] The internal circuit connection of the micro electric linear actuator is a prior art known in the art.

[0013] Preferably, the electric opening and closing mechanism comprises a box door, the box door is engaged with the inside of the front side of the heat exchange box, and an electric telescopic rod is installed on the inner side of the box door.

[0014] Through the above technical solution, the electric telescopic rod pushes the door of the heat exchange box to open or close from the inside, which is easier to open than the traditional threaded door, and maintenance is convenient and quick.

[0015] Preferably, one inner end of the electric telescopic rod is fixedly connected to the inside of the heat exchange box, micro electric push rods are respectively installed inside both sides of the box door, and slots corresponding to the micro electric push rods are respectively provided on both sides of the heat exchange box.

[0016] Through the above technical solution, the miniature electric push rods on both sides of the box door are plugged into the slots of the heat exchange box, so that the box door is locked, which is conducive to ensuring the stability of the box door closing.

[0017] Preferably, a switch is installed on the front of the box door, and a sliding cover is arranged outside the switch.

[0018] Through the above technical solution, the micro electric push rod and the electric telescopic rod are controlled by the switch on the front side of the box door, so that the opening, closing and locking of the box door are convenient.

[0019] Preferably, the heat exchange box includes a full heat exchange core inside, one end of the full heat exchange core is connected to the air inlet pipe, the other end of the full heat exchange core is connected to the insulation cavity, and one end outside the insulation cavity is connected to the exhaust pipe.

[0020] Through the above technical solution, heat is exchanged with the external air entering through the intake pipe through the full heat exchange core and then output through the exhaust pipe.

[0021] Preferably, there are two groups of air intake pipes, and a fan is installed inside each group of air intake pipes.

[0022] Through the above technical solution, the fan drives the air flow, so that the external air enters the inside of the air intake pipe, and the heat exchange efficiency is improved through the two sets of air intake pipes.

[0023] Preferably, a protective cover is installed at one end of the outer side of the air inlet sleeve, the protective cover is arranged outside the strip brush, and the protective cover is threadedly connected to the air inlet sleeve.

[0024] Through the above technical solution, the rotating strip brush can be protected by the protective cover.

[0025] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0026] First, the utility model filters the external air through the air filter plate inside the air intake sleeve, thereby preventing dust and impurities from entering, and preventing the air after the hot and cold exchange from causing harm to the human body. At the same time, the servo motor drives the shaft to rotate, and the rotation of the shaft drives the strip brush on the outside of the air filter plate to rotate, thereby cleaning the air filter plate, preventing the filtered dust from accumulating on the outside of the air filter plate to avoid clogging, ensuring the air intake efficiency, and eliminating the need to frequently remove the air filter plate for cleaning, thereby improving work efficiency and making it easier and more convenient to use.

[0027] Second, the utility model allows the air intake sleeve to be pulled outward, so that it can be removed for maintenance. By rotating the protective cover, one end of the air intake sleeve can be opened, so that the strip brush and the air filter plate can be taken out for maintenance and replacement.

[0028] Third, the utility model controls the micro electric push rod and the electric telescopic rod through the switch on the front of the box door, which is convenient for opening, closing and locking the box door. The electric telescopic rod pushes the box door to open or close from the inside of the heat exchange box. Compared with the traditional threaded door, it is easier to open and the maintenance is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0030] Figure 2It is a schematic diagram of the internal structure of the utility model;

[0031] Figure 3 This is a schematic diagram of the box door structure of the utility model;

[0032] Figure 4 This is a schematic diagram of the air intake sleeve structure of the utility model;

[0033] Figure 5 It is a schematic diagram of the cross-sectional structure of the air intake sleeve of the utility model.

[0034] Among them: 1. heat exchange box; 2. air intake pipe; 3. exhaust pipe; 4. air intake sleeve; 5. servo motor; 6. air filter plate; 7. strip brush; 8. protective cover; 9. box door; 10. electric telescopic rod; 11. micro electric push rod; 12. switch; 13. sliding cover; 14. full heat exchange core; 15. thermal insulation cavity; DETAILED DESCRIPTION

[0035] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0036] For the HVAC heat exchange device for preventing dust accumulation under this specific implementation method, please refer to Figure 1-5 , comprising a heat exchange box 1, wherein both ends of the heat exchange box 1 are connected to an air intake pipe 2 and an exhaust pipe 3 respectively, a filter mechanism is installed at one end of the exhaust pipe 3, and an electric opening and closing mechanism is installed inside the heat exchange box 1;

[0037] The filtering mechanism includes an air intake sleeve 4, which is sleeved on one end of the outer side of the air intake pipe 2. A servo motor 5 is installed inside the air intake sleeve 4. An air filter plate 6 is arranged outside the servo motor 5. The air filter plate 6 is slidably connected to the inside of the air intake sleeve 4. The rotating shaft of the servo motor 5 passes through the middle of the air filter plate 6, and a strip brush 7 is installed at one end of the outer side of the rotating shaft.

[0038] Through the above technical scheme, the external air is filtered through the air filter plate 6 inside the air intake sleeve 4, thereby preventing dust and impurities from entering, and preventing the air after the heat exchange from causing harm to the human body. At the same time, the servo motor 5 drives the shaft to rotate, and the rotation of the shaft drives the strip brush 7 on the outside of the air filter plate 6 to rotate, so as to clean the air filter plate 6, and prevent the filtered dust from accumulating on the outside of the air filter plate 6 to avoid its clogging, thereby ensuring the air intake efficiency, and there is no need to frequently remove the air filter plate 6 for cleaning, thereby improving work efficiency and making it easier and more convenient to use. By pulling out the air intake sleeve 4 to the outside, it is convenient to remove it for maintenance. By rotating the protective cover 8, one end of the outside of the air intake sleeve 4 can be opened, so that the strip brush 7 and the air filter plate 6 can be taken out for maintenance and replacement.

[0039] The micro electric push rod 11 and the electric telescopic rod 10 are controlled by the switch 12 on the front of the door 9, which facilitates the switch 12 and closing and locking of the door 9. The electric telescopic rod 10 pushes the door 9 to open or close from the inside of the heat exchange box 1. Compared with the traditional threaded door 9, it is easier to open and the maintenance is convenient and quick.

[0040] The internal circuit connection of the micro electric push rod 11 is a known technology.

[0041] Specifically, the electric opening and closing mechanism includes a box door 9 , which is engaged with the inside of the front of the heat exchange box 1 , and an electric telescopic rod 10 is installed inside the box door 9 .

[0042] Through the above technical solution, the electric telescopic rod 10 pushes the door 9 from the inside of the heat exchange box 1 to open or close. Compared with the traditional threaded door 9, it is easier to open and the maintenance is convenient and fast.

[0043] Specifically, one inner end of the electric telescopic rod 10 is fixedly connected to the inside of the heat exchange box 1, and micro electric push rods 11 are installed inside both sides of the box door 9, and slots corresponding to the micro electric push rods 11 are respectively provided on both sides of the heat exchange box 1.

[0044] Through the above technical solution, the miniature electric push rods 11 on both sides of the box door 9 are plugged into the slots of the heat exchange box 1, so that the box door 9 is locked, which is conducive to ensuring the stability of the closing of the box door 9.

[0045] Specifically, a switch 12 is installed on the front of the box door 9 , and a sliding cover 13 is arranged outside the switch 12 .

[0046] Through the above technical solution, the miniature electric push rod 11 and the electric telescopic rod 10 are controlled by the switch 12 on the front of the box door 9, so that the switch 12 and closing and locking of the box door 9 are convenient.

[0047] Specifically, the heat exchange box 1 includes a full heat exchange core 14 inside, one end of the full heat exchange core 14 is connected to the air inlet pipe 2, the other end of the full heat exchange core 14 is connected to the insulation cavity 15, and one end outside the insulation cavity 15 is connected to the exhaust pipe 3.

[0048] Through the above technical solution, the heat of the external air entering through the intake pipe 2 is exchanged through the full heat exchange core 14 and then output through the exhaust pipe 3.

[0049] Specifically, there are two groups of air intake pipes 2, and a fan is installed inside each group of air intake pipes 2.

[0050] Through the above technical solution, the fan drives the air flow, so that the external air enters the inside of the air intake pipe 2, and the heat exchange efficiency is improved through the two groups of air intake pipes 2.

[0051] Specifically, a protective cover 8 is installed at one end of the outer side of the air intake sleeve 4 , and the protective cover 8 is arranged outside the strip brush 7 , and the protective cover 8 is threadedly connected to the air intake sleeve 4 .

[0052] Through the above technical solution, the rotating strip brush 7 can be protected by the protective cover 8.

[0053] When in use, the air outside is filtered through the air filter plate 6 inside the air intake sleeve 4, thereby preventing dust and impurities from entering, and preventing the air after the heat exchange from causing harm to the human body. At the same time, the servo motor 5 drives the shaft to rotate, and the rotation of the shaft drives the strip brush 7 on the outside of the air filter plate 6 to rotate, thereby cleaning the air filter plate 6, preventing the filtered dust from accumulating on the outside of the air filter plate 6, avoiding its clogging, ensuring the air intake efficiency, and eliminating the need to frequently remove the air filter plate 6 for cleaning, thereby improving work efficiency and making it easier and more convenient to use. By pulling out the air intake sleeve 4 to the outside, it is convenient to remove it for maintenance. By rotating the protective cover 8, one end of the outside of the air intake sleeve 4 can be opened, thereby taking out the strip brush 7 and the air filter plate 6 for maintenance and replacement.

[0054] The micro electric push rod 11 and the electric telescopic rod 10 are controlled by the switch 12 on the front of the door 9, which facilitates the switch 12 and closing and locking of the door 9. The electric telescopic rod 10 pushes the door 9 to open or close from the inside of the heat exchange box 1. Compared with the traditional threaded door 9, it is easier to open and the maintenance is convenient and quick.

[0055] Although specific embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A HVAC heat exchange device for preventing dust accumulation, comprising a heat exchange box (1), characterized in that: The two ends of the heat exchange box (1) are respectively connected to an air intake pipe (2) and an exhaust pipe (3); a filter mechanism is installed at one end of the exhaust pipe (3); and an electric opening and closing mechanism is installed inside the heat exchange box (1); The filtering mechanism comprises an air intake sleeve (4), the air intake sleeve (4) is sleeved on one end of the outer side of the air intake pipe (2), a servo motor (5) is installed inside the air intake sleeve (4), an air filter plate (6) is arranged outside the servo motor (5), the air filter plate (6) is slidably connected to the inside of the air intake sleeve (4), the rotating shaft of the servo motor (5) passes through the middle of the air filter plate (6), and a strip brush (7) is installed at one end of the outer side of the rotating shaft.

2. A HVAC heat exchange device for preventing dust accumulation according to claim 1, characterized in that: The electric opening and closing mechanism comprises a box door (9), the box door (9) is engaged with the inside of the front of the heat exchange box (1), and an electric telescopic rod (10) is installed on the inner side of the box door (9).

3. A HVAC heat exchange device for preventing dust accumulation according to claim 2, characterized in that: One inner end of the electric telescopic rod (10) is fixedly connected to the inside of the heat exchange box (1), and micro electric push rods (11) are respectively installed inside the two sides of the box door (9), and slots corresponding to the micro electric push rods (11) are respectively provided on the two sides of the heat exchange box (1).

4. A HVAC heat exchange device for preventing dust accumulation according to claim 3, characterized in that: A switch (12) is installed on the front of the box door (9), and a sliding cover (13) is arranged outside the switch (12).

5. A HVAC heat exchange device for preventing dust accumulation according to claim 1, characterized in that: The heat exchange box (1) comprises a full heat exchange core (14) inside, one end of the full heat exchange core (14) is connected to the air inlet pipe (2), the other end of the full heat exchange core (14) is connected to a heat preservation cavity (15), and the outer end of the heat preservation cavity (15) is connected to an exhaust pipe (3).

6. A HVAC heat exchange device for preventing dust accumulation according to claim 1, characterized in that: There are two groups of air intake pipes (2), and a fan is installed on the inner side of each group of air intake pipes (2).

7. A HVAC heat exchange device for preventing dust accumulation according to claim 1, characterized in that: A protective cover (8) is installed at one end of the outer side of the air intake sleeve (4); the protective cover (8) is arranged outside the strip brush (7); and the protective cover (8) is threadedly connected to the air intake sleeve (4).

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