Fresh air-circulating air composite air conditioning unit

Abstract

The utility model discloses a kind of new air-circulating air composite air conditioning unit, belong to air conditioning unit technical field, including base and the air conditioning unit body being set to the top of base, base bottom end four corners are equipped with driving wheel, base bottom is equipped with support assembly, air conditioning unit body one side is equipped with control panel, air conditioning unit body two sides are equipped with indoor air inlet frame and air outlet frame respectively, air conditioning unit body one side is equipped with outdoor air inlet frame, outdoor air inlet frame and indoor air inlet frame between being equipped with conduit, conduit is close to indoor air inlet frame one end side wall and is equipped with control valve.The utility model new air and the function of circulating air integration, indoor air inlet frame is equipped with filter assembly, outdoor air inlet frame is equipped with second filter cotton and first filter plate, air outlet frame one side is equipped with dustproof assembly, play the role of preliminary filtration dustproof, and help to avoid equipment when not in use Dust enters air conditioning unit interior, and filter assembly and dustproof assembly facilitate disassembly and cleaning.

Description

Technical Field

[0001] This utility model relates to the field of air conditioning unit technology, and more specifically, to a fresh air-circulating air composite air conditioning unit. Background Technology

[0002] In a full-air system, the air supplied to each zone or room is centrally processed in the machine room. The equipment used to process the air is called an air handling unit, or air conditioning unit.

[0003] Patent application number 201921343507.1 discloses a high-efficiency, energy-saving, and environmentally friendly circulating air conditioning unit, belonging to the technical field of air conditioning units. The high-efficiency, energy-saving, and environmentally friendly circulating air conditioning unit includes an air conditioning unit body. A first filter plate and a second filter plate are respectively connected to the inner wall of the air conditioning unit body, and an air inlet and an air outlet are respectively connected to the outer wall of the air conditioning unit body. The first filter plate and the second filter plate are respectively placed at the air inlet and the air outlet. A first baffle, a second baffle, and a third baffle are also connected to the inner wall of the air conditioning unit body. A first cooler and a second cooler are respectively connected to the outer walls of the first baffle and the second baffle. A water baffle plate that cooperates with the first cooler is also connected to the inner wall of the air conditioning unit body. A cylinder is connected to the outer wall of the third baffle, and a dehumidifying fan is connected inside the cylinder. This application reduces operating costs, reduces initial investment costs, and increases the service life of the air conditioning unit.

[0004] Regarding the aforementioned technologies, although the air inlet and outlet are equipped with a first filter plate and a second filter plate, the first filter plate and the second filter plate are fixedly connected to the air inlet and outlet, making them inconvenient to disassemble. When the equipment is used for a long time, the first filter plate and the second filter plate may become clogged, which may affect the air intake or exhaust effect of the equipment. Utility Model Content

[0005] To solve the above problems, this utility model provides a fresh air-circulating air combined air conditioning unit, which adopts the following technical solution:

[0006] A fresh air-recirculating air conditioning unit includes a base and an air conditioning unit body mounted on top of the base. Drive wheels are located at each of the four corners of the base's bottom, and a support assembly is located at the bottom of the base. A control panel is located on one side of the air conditioning unit body. Indoor air inlet frames and air outlet frames are located on both sides of the air conditioning unit body, respectively. An outdoor air inlet frame is located on one side of the air conditioning unit body. A duct is provided between the outdoor air inlet frame and the indoor air inlet frame. A control valve is located on the side wall of the duct near the indoor air inlet frame. An installation frame is located within the indoor air inlet frame, and a filter assembly is located within the installation frame. A sealing assembly is located within the indoor air inlet frame. A first filter plate is located within the outdoor air inlet frame. A second filter cotton is located on the side of the first filter plate near the duct. A cleaning assembly is located on the side of the first filter plate away from the second filter cotton. A dustproof assembly is located on the side of the air outlet frame away from the air conditioning unit body.

[0007] By adopting the above technical solution, the staff can drive the base to move the air conditioning unit body by setting drive wheels at the bottom of the base, which helps to improve the convenience of moving the air conditioning unit body. When the equipment is moved to a suitable position, the support components drive the base and the air conditioning unit body to rise as a whole, which can play a role in supporting and stabilizing the air conditioning unit body, which helps to maintain the stability of the air conditioning unit body. After the equipment is fixed, the staff will install the outdoor air inlet frame outdoors.

[0008] When the equipment is running, close the control valve installed on the side wall of the duct, then open the sealing component inside the indoor air inlet frame. The air conditioning unit generates suction, drawing indoor air into the unit through the indoor air inlet frame. The indoor air inlet frame contains a filter component that filters dust from the air, achieving a preliminary filtration effect. The mounting frame slides within the indoor air inlet frame for easy disassembly and cleaning of the filter component. A dustproof component is located on one side of the outlet frame. When outdoor air is needed, the sealing component is closed, and the control valve on the side wall of the duct opens. Fresh air enters the air conditioning unit through the outdoor air inlet frame. The outdoor air inlet frame contains a first filter plate and a second filter cotton, providing preliminary filtration of dust. A cleaning component is located on the side wall of the first filter plate to clean it, maintaining the filtration effect. The combination of the indoor, outdoor, and outlet air inlets enables the equipment to integrate fresh air and recirculated air functions, improving its performance.

[0009] Furthermore, the support assembly includes two support plates located at the bottom of the base. Two symmetrically distributed storage slots are opened at the bottom of the base. Cylinders are fixedly installed on the inner walls of the top of the two storage slots. The piston shaft ends of the two cylinders are fixedly connected to the top of the support plate on the same side. Two symmetrically distributed stabilizing blocks are fixedly installed on both sides of the two support plates. Anti-slip pads are provided on the bottom of the support plates and stabilizing blocks.

[0010] By adopting the above technical solution, when the equipment is moved to a suitable position, the cylinder drives the support plate and the stabilizing block on the same side to descend synchronously, so that the support plate and the stabilizing block contact the ground, thereby causing the drive wheel to leave the ground, which can play the role of supporting and stabilizing the equipment and help maintain the stability of the equipment.

[0011] Furthermore, the filter assembly includes a third filter cotton, a second filter plate, and a drying plate disposed within the mounting frame. The top ends of the third filter cotton, the second filter plate, and the drying plate all slide through the mounting frame. Sealing blocks are fixedly installed on the top ends of the third filter cotton, the second filter plate, and the drying plate. Each sealing block has a snap-fit ​​groove on its top. Two symmetrically distributed positioning blocks are fixedly installed on the bottom ends of the third filter cotton, the second filter plate, and the drying plate. Positioning grooves matching the positioning blocks are provided on the inner wall of the bottom end of the mounting frame.

[0012] By adopting the above technical solution, a third filter cotton, a second filter plate, and a drying plate are slidably installed inside the mounting frame, which serves to filter and dry the air entering the air conditioning unit. This helps to reduce the amount of dust entering the air conditioning unit and reduces the subsequent operating load of the air conditioning unit. The third filter cotton, the second filter plate, and the drying plate are positioned by engaging with the positioning block and the positioning groove opened on the bottom inner wall of the mounting frame. The top of the third filter cotton, the second filter plate, and the drying plate is provided with a sealing block, which helps to improve the stability of the installation of the third filter cotton, the second filter plate, and the drying plate. The top of the sealing block is provided with a snap-fit ​​groove, which makes it easy for the staff to pull and disassemble the third filter cotton, the second filter plate, and the drying plate.

[0013] Furthermore, the sealing assembly includes a rotating rod rotatably installed inside the indoor air inlet frame, a rubber sealing plate fixedly sleeved on the side wall of the rotating rod, an installation box fixedly installed on one side of the indoor air inlet frame, a geared motor installed inside the installation box, the end of the rotating rod near the geared motor passing through the installation box, and the end of the rotating rod passing through the installation box being fixedly connected to the end of the output shaft of the geared motor.

[0014] By adopting the above technical solution, the rotating rod is driven by a geared motor to rotate, and the rotating rod rotates the rubber sealing plate, so that the rubber sealing plate is in a vertical state, which can block the indoor air inlet frame, making it easier for the equipment to introduce outside air and achieve the effect of external circulation. When the rubber sealing plate is in a horizontal state, it is easy for indoor air to enter the air conditioning unit body and achieve the effect of internal circulation.

[0015] Furthermore, the cleaning assembly includes a mounting plate fixedly installed inside the outdoor air inlet frame. A dual-axis motor is embedded in the side wall of the mounting plate. A support rod is fixedly connected to the output shaft end of the dual-axis motor away from the duct. A filter cloth is provided on the side of the first filter plate away from the second filter cotton. The support rod passes through the second filter cotton, the first filter plate, and the filter cloth at the end away from the dual-axis motor. A sleeve is fixedly fitted on the end of the support rod away from the dual-axis motor. Multiple brush plates arranged in a circular array are fixedly installed on the side wall of the sleeve. A discharge port is opened on the inner wall of the bottom end of the outdoor air inlet frame. Fan blades are fixedly fitted on the side wall of the output shaft of the dual-axis motor near the duct.

[0016] By adopting the above technical solution, the filter cloth on one side of the first filter plate filters dust in the air and helps to prevent clogging. The support rod is driven to rotate by a dual-axis motor, and the support rod drives the sleeve to rotate synchronously with the brush plate, so that the brush plate rotates on the filter cloth, which can clean the filter cloth and the first filter plate. The filter cloth can protect the first filter plate and help reduce the amount of dust that is swept down into the equipment. The bottom of the outdoor air inlet frame has a discharge port to facilitate the dust to fall off. The dual-axis motor drives the fan blades to rotate to generate wind, which can guide the air to enter the equipment.

[0017] Furthermore, multiple limiting blocks arranged in a ring array are fixedly installed on the inner wall of the sleeve, and a limiting groove matching the limiting blocks is opened on the side wall of the support rod away from the dual-axis motor.

[0018] By adopting the above technical solution, the sleeve and the support rod are fixed together by fasteners of existing technology, and a limiting block is provided on the inner side of the sleeve. The limiting block and the limiting groove opened on the side wall of the support rod are engaged to position the sleeve and facilitate subsequent fixing.

[0019] Furthermore, the dustproof component includes a mounting bracket fixedly installed on the side of the air outlet frame away from the air conditioning unit body. A first filter cotton is slidably installed inside the mounting bracket. Slider blocks are fixedly installed on both sides of the first filter cotton. Sliding grooves matching the sliders on the same side are opened on the inner walls of both sides of the mounting bracket.

[0020] By adopting the above technical solution, a first filter cotton is provided on one side of the air outlet frame, which can play a role in dust prevention and help prevent dust from entering when the equipment is not in use. The first filter cotton is positioned by locking the slider and the sliding groove opened on the inner side of the mounting bracket, which facilitates subsequent disassembly and cleaning by the staff and helps to maintain the dust prevention effect of the equipment.

[0021] Furthermore, two symmetrically distributed clips are fixedly installed on both sides of the end of the mounting frame away from the air conditioning unit body. The indoor air inlet frame has a slot that matches the clips on the side away from the air conditioning unit body. A rubber rod is fixedly installed on the side of the slot that is close to the air conditioning unit body. A through hole that matches the rubber rod on the same side is opened in the clip.

[0022] By adopting the above technical solution, the side wall of the mounting frame is provided with a sealing gasket, which helps to increase the sealing performance of the mounting frame and the indoor air intake frame. The side wall of the mounting frame is provided with a locking block. By engaging the locking block with the slot opened on one side of the indoor air intake frame, the mounting frame can be positioned and fixed. The slot is provided with a rubber rod. The side wall of the locking block has a through hole that matches the rubber rod. The rubber rod is placed in the through hole, which can further position and fix the locking block, which helps to maintain the stability of the mounting frame installation. The cooperation of the locking block, the slot and the rubber rod makes it easy to assemble and disassemble the mounting frame.

[0023] In summary, this utility model has the following beneficial technical effects:

[0024] (1) In this utility model, the indoor air inlet frame, the outdoor air inlet frame and the air outlet frame are combined to enable the equipment to have the function of integrating fresh air and circulating air, which is conducive to improving the use effect of the equipment. The indoor air inlet frame is equipped with a filter component, the outdoor air inlet frame is equipped with a second filter cotton and a first filter plate, and the air outlet frame is equipped with a dustproof component on one side, which plays a preliminary filtering and dust prevention role, and helps to prevent dust from entering the air conditioning unit when the equipment is not in use. The filter component and the dustproof component are easy to disassemble, which is convenient for the staff to disassemble and clean them later. The first filter plate is equipped with a cleaning component on one side, which plays a role in cleaning the first filter plate, which is conducive to maintaining the filtering effect of the first filter plate.

[0025] (2) In this utility model, the mounting frame and the indoor air inlet frame are fixed by a locking block and a locking groove. A rubber rod is provided inside the locking groove. The rubber rod engages with the through hole on the side wall of the locking block, which plays a role in further positioning the mounting frame and helps to maintain the stability of the mounting frame installation. In addition, recesses are provided on the inner walls of both sides of the mounting frame, which makes it easy for staff to hold and pull out. Attached Figure Description

[0026] Figure 1 This is a first-view structural schematic diagram of the fresh air-circulating air composite air conditioning unit of this utility model;

[0027] Figure 2 This utility model relates to a fresh air-circulating air composite air conditioning unit. Figure 1 Enlarged view of A in the middle;

[0028] Figure 3 This is a bottom view of the fresh air-circulating air composite air conditioning unit of this utility model;

[0029] Figure 4 This is a structural schematic diagram of the fresh air-circulating air composite air conditioning unit of this utility model from a second perspective;

[0030] Figure 5 This utility model relates to a fresh air-circulating air composite air conditioning unit. Figure 4Enlarged view of B in the middle;

[0031] Figure 6 This is a cross-sectional view of the fresh air-circulating air composite air conditioning unit of this utility model;

[0032] Figure 7 This utility model relates to a fresh air-circulating air composite air conditioning unit. Figure 6 Enlarged view of C;

[0033] Figure 8 This is an exploded view of the cleaning components in the fresh air-circulating air composite air conditioning unit of this utility model;

[0034] Figure 9 This utility model relates to a fresh air-circulating air composite air conditioning unit. Figure 8 Enlarged view of D;

[0035] Figure 10 This is a cross-sectional view of the mounting frame in the fresh air-circulating air composite air conditioning unit of this utility model.

[0036] Explanation of the labels in the diagram:

[0037] 1. Base; 2. Air conditioning unit body; 3. Support plate; 4. Indoor air inlet frame; 5. Mounting box; 6. Mounting frame; 7. Duct; 8. Outdoor air inlet frame; 9. Locking block; 10. Storage slot; 11. Cylinder; 12. Air outlet frame; 13. Mounting bracket; 14. First filter cotton; 15. Sleeve; 16. Brush plate; 17. Rubber sealing plate; 18. Rotating rod; 19. Gear motor; 20. Second filter cotton; 21. First filter plate; 22. Support rod; 23. Mounting plate; 24. Dual-shaft motor; 25. Fan blade; 26. Filter cloth; 27. Limiting block; 28. Third filter cotton; 29. ​​Second filter plate; 30. Drying plate; 31. Positioning block. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0039] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0041] The following is in conjunction with the appendix Figures 1-10 The present invention will be described in further detail below.

[0042] Please see Figures 1-10 A fresh air-circulating air conditioning unit includes a base 1 and an air conditioning unit body 2 mounted on top of the base 1. Drive wheels are located at the four corners of the base 1's bottom. A support assembly is located at the bottom of the base 1, including two support plates 3. Two symmetrically distributed storage slots 10 are opened at the bottom of the base 1. Cylinders 11 are fixedly installed on the inner walls of the tops of the two storage slots 10. The piston shaft ends of the two cylinders 11 are fixedly connected to the tops of the support plates 3 on the same side. Two symmetrically distributed stabilizing blocks are fixedly installed on both sides of the two support plates 3. Anti-slip pads are provided on the bottom of the support plates 3 and the stabilizing blocks. When the equipment is in use, the operator can drive the base 1 and the air conditioning unit body 2 to move using the drive wheels at the bottom of the base 1, which improves the ease of movement of the air conditioning unit body 2. When the equipment is moved to a suitable position, the cylinders 11 drive the support plates 3 and the stabilizing blocks on the same side to descend synchronously, causing the support plates 3 and the stabilizing blocks to contact the ground, thereby lifting the drive wheels off the ground. This provides support and stability for the equipment, helping to maintain its stability during use.

[0043] A control panel is provided on one side of the air conditioning unit body 2. Indoor air inlet frame 4 and air outlet frame 12 are provided on both sides of the air conditioning unit body 2 respectively. An outdoor air inlet frame 8 is provided on one side of the air conditioning unit body 2. A duct 7 is provided between the outdoor air inlet frame 8 and the indoor air inlet frame 4. A control valve is provided on the side wall of the duct 7 near the indoor air inlet frame 4. An installation frame 6 is provided inside the indoor air inlet frame 4. A filter assembly is provided inside the installation frame 6. The filter assembly includes a third filter cotton 28, a second filter plate 29 and a drying plate 30 set in the installation frame 6. The tops of the third filter cotton 28, the second filter plate 29 and the drying plate 30 slide through the installation frame 6. A sealing block is fixedly installed on the top of the third filter cotton 28, the second filter plate 29 and the drying plate 30. A groove is opened on the top of the sealing block. Two symmetrically distributed positioning blocks 31 are fixedly installed at the bottom of the third filter cotton 28, the second filter plate 29 and the drying plate 30. A positioning groove matching the positioning block 31 is opened on the inner wall of the bottom of the installation frame 6.

[0044] The third filter cotton 28, the second filter plate 29, and the drying plate 30 are slidably installed inside the mounting frame 6. They serve to filter and dry the air entering the air conditioning unit body 2, which helps reduce the amount of dust entering the air conditioning unit body 2 and reduces the subsequent operating load of the air conditioning unit body 2. The third filter cotton 28, the second filter plate 29, and the drying plate 30 are engaged and positioned by the positioning block 31 and the positioning groove opened at the bottom inner wall of the mounting frame 6. The top of the third filter cotton 28, the second filter plate 29, and the drying plate 30 is provided with a sealing block, which helps to improve the stability of the installation of the third filter cotton 28, the second filter plate 29, and the drying plate 30. The top of the sealing block is provided with a snap-fit ​​groove, which makes it easy for the staff to pull and disassemble the third filter cotton 28, the second filter plate 29, and the drying plate 30.

[0045] An indoor air inlet frame 4 is equipped with a sealing assembly, which includes a rotating rod 18 rotatably installed inside the indoor air inlet frame 4. A rubber sealing plate 17 is fixedly sleeved on the side wall of the rotating rod 18. An installation box 5 is fixedly installed on one side of the indoor air inlet frame 4. A geared motor 19 is installed inside the installation box 5. The end of the rotating rod 18 near the geared motor 19 passes through the installation box 5. The end of the rotating rod 18 passing through the installation box 5 is fixedly connected to the end of the output shaft of the geared motor 19. The geared motor 19 drives the rotating rod 18 to rotate, and the rotating rod 18 rotates with the rubber sealing plate 17, so that the rubber sealing plate 17 is in a vertical state, which can block the indoor air inlet frame 4, so that the equipment can introduce outside air and achieve the function of external circulation. When the rubber sealing plate 17 is in a horizontal state, it is easy for indoor air to enter the air conditioning unit body 2, so as to achieve the effect of internal circulation.

[0046] An outdoor air inlet frame 8 is provided with a first filter plate 21. A second filter cotton 20 is provided on the side of the first filter plate 21 near the duct 7. A cleaning assembly is provided on the side of the first filter plate 21 away from the second filter cotton 20. The cleaning assembly includes a mounting plate 23 fixedly installed in the outdoor air inlet frame 8. A dual-axis motor 24 is embedded in the side wall of the mounting plate 23. A support rod 22 is fixedly connected to the end of the output shaft of the dual-axis motor 24 away from the duct 7. A filter cloth 26 is provided on the side of the first filter plate 21 away from the second filter cotton 20. The end of the support rod 22 away from the dual-axis motor 24 passes through the second filter cotton 20, the first filter plate 21, and the filter cloth 26. A sleeve 15 is fixedly sleeved on the end of the support rod 22 away from the dual-axis motor 24. Multiple brush plates 16 arranged in a ring array are fixedly installed on the side wall of the sleeve 15. A discharge port is opened on the inner wall of the bottom end of the outdoor air inlet frame 8. A fan blade 25 is fixedly sleeved on the side wall of the output shaft of the dual-axis motor 24 near the duct 7.

[0047] The first filter plate 21, with its filter cloth 26 on one side, filters dust from the air and helps prevent clogging. A dual-axis motor 24 drives a support rod 22 to rotate, which in turn drives a sleeve 15 to rotate synchronously with a brush plate 16. This allows the brush plate 16 to rotate on the filter cloth 26, cleaning both the filter cloth 26 and the first filter plate 21. The filter cloth 26 protects the first filter plate 21, reducing the amount of dust entering the equipment. An outlet is located at the bottom of the outdoor air inlet frame 8 to allow dust to fall off. Simultaneously, the dual-axis motor 24 drives fan blades 25 to generate airflow, facilitating airflow into the equipment.

[0048] Multiple limiting blocks 27 arranged in a ring array are fixedly installed on the inner wall of the sleeve 15. The side wall of the support rod 22 away from the dual-axis motor 24 has a limiting groove that matches the limiting blocks 27. The sleeve 15 and the support rod 22 are fixed together by fasteners of the prior art. The limiting blocks 27 are provided on the inner side of the sleeve 15. The limiting blocks 27 and the limiting grooves on the side wall of the support rod 22 are engaged to position the sleeve 15 and facilitate subsequent fixing.

[0049] A dustproof component is provided on the side of the air outlet frame 12 away from the air conditioning unit body 2. The dustproof component includes a mounting bracket 13 fixedly installed on the side of the air outlet frame 12 away from the air conditioning unit body 2. A first filter cotton 14 is slidably installed inside the mounting bracket 13. Sliders are fixedly installed on both sides of the first filter cotton 14. The inner walls of both sides of the mounting bracket 13 are provided with sliding grooves that match the sliders on the same side. The first filter cotton 14 on one side of the air outlet frame 12 can play a dustproof role and help prevent dust from entering when the equipment is not in use. The first filter cotton 14 is positioned by engaging with the sliders and the sliding grooves on the inner side of the mounting bracket 13, which facilitates subsequent disassembly and cleaning by the staff and helps maintain the dustproof effect of the equipment.

[0050] Two symmetrically distributed locking blocks 9 are fixedly installed on both sides of the end of the mounting frame 6 away from the air conditioning unit body 2. The indoor air inlet frame 4 has a slot that matches the locking block 9 on the side away from the air conditioning unit body 2. A rubber rod is fixedly installed on the side of the slot that is close to the air conditioning unit body 2. A through hole that matches the rubber rod on the same side is opened in the locking block 9. The side wall of the mounting frame 6 is provided with a sealing gasket, which helps to increase the sealing of the mounting frame 6 and the indoor air inlet frame 4. The locking block 9 on the side wall of the mounting frame 6 can be used to position and fix the mounting frame 6 by engaging with the slot on the side of the indoor air inlet frame 4. The slot is provided with a rubber rod. The side wall of the locking block 9 has a through hole that matches the rubber rod. The rubber rod is placed in the through hole, which can further position and fix the locking block 9, which helps to maintain the stability of the mounting frame 6. The cooperation of the locking block 9, the slot and the rubber rod makes it easy to assemble and disassemble the mounting frame 6.

[0051] The implementation principle of this utility model embodiment is as follows: the staff can drive the base 1 to move the air conditioning unit body 2 by setting the drive wheel at the bottom of the base 1, which is conducive to improving the convenience of moving the air conditioning unit body 2. When the equipment is moved to a suitable position, the support component drives the base 1 and the air conditioning unit body 2 to rise as a whole, which can play the role of supporting and stabilizing the air conditioning unit body 2, which is conducive to maintaining the stability of the air conditioning unit body 2. After the equipment is fixed, the staff installs the outdoor air inlet frame 8 outdoors.

[0052] When the equipment is running, close the control valve installed on the side wall of duct 7, then open the sealing component inside the indoor air inlet frame 4. The air conditioning unit 2 generates suction, drawing indoor air into the unit through the indoor air inlet frame 4. The indoor air inlet frame 4 contains a filter component that filters dust from the air, achieving a preliminary filtration effect. The mounting frame 6 slides inside the indoor air inlet frame 4 for easy disassembly and cleaning of the filter component. A dustproof component is located on one side of the air outlet frame 12 to prevent dust accumulation. When outdoor air is needed, the operator closes the sealing component and then opens the control valve on the side wall of duct 7 to allow fresh air to enter. The air enters the air conditioning unit body 2 through the outdoor air inlet frame 8. The outdoor air inlet frame 8 is equipped with a first filter plate 21 and a second filter cotton 20, which can play a preliminary role in filtering dust in the air. The side wall of the first filter plate 21 is equipped with a cleaning component to clean the first filter plate 21, which helps to maintain the filtration effect of the equipment. Through the cooperation of the indoor air inlet frame 4, the outdoor air inlet frame 8 and the air outlet frame 12, the equipment has the function of integrating fresh air and circulating air, which helps to improve the use effect of the equipment. The equipment is equipped with an exhaust mechanism of existing technology to exhaust indoor hot air. Through the cooperation of the exhaust mechanism, the air conditioning unit body 2 and the outdoor air inlet frame 8, the external circulation function is realized.

[0053] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A fresh air-recirculating air combined air conditioning unit, characterized in that: The system includes a base (1) and an air conditioning unit body (2) mounted on top of the base (1). The base (1) has four drive wheels at its bottom corners and a support assembly at its bottom. The air conditioning unit body (2) has a control panel on one side. The air conditioning unit body (2) has an indoor air inlet frame (4) and an air outlet frame (12) on both sides. An outdoor air inlet frame (8) is located on one side of the air conditioning unit body (2). A duct (7) is located between the outdoor air inlet frame (8) and the indoor air inlet frame (4). The duct (7) is close to the indoor air inlet frame. A control valve is provided on one side wall of the air frame (4); an installation frame (6) is provided inside the indoor air inlet frame (4), a filter assembly is provided inside the installation frame (6), a sealing assembly is provided inside the indoor air inlet frame (4), a first filter plate (21) is provided inside the outdoor air inlet frame (8), a second filter cotton (20) is provided on the side of the first filter plate (21) near the duct (7), a cleaning assembly is provided on the side of the first filter plate (21) away from the second filter cotton (20), and a dustproof assembly is provided on the side of the air outlet frame (12) away from the air conditioning unit body (2).

2. The fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: The support assembly includes two support plates (3) disposed at the bottom of the base (1). The bottom end of the base (1) has two symmetrically distributed storage slots (10). The inner walls of the top of the two storage slots (10) are fixedly installed with cylinders (11). The piston shaft ends of the two cylinders (11) are respectively fixedly connected to the top of the support plate (3) on the same side. Two symmetrically distributed stabilizing blocks are fixedly installed on both sides of the two support plates (3). The bottom of the support plate (3) and the stabilizing blocks are provided with anti-slip pads.

3. The fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: The filter assembly includes a third filter cotton (28), a second filter plate (29), and a drying plate (30) disposed within the mounting frame (6). The top ends of the third filter cotton (28), the second filter plate (29), and the drying plate (30) all slide through the mounting frame (6). A sealing block is fixedly installed on the top ends of the third filter cotton (28), the second filter plate (29), and the drying plate (30). A snap-fit ​​groove is opened on the top of each sealing block. Two symmetrically distributed positioning blocks (31) are fixedly installed on the bottom ends of the third filter cotton (28), the second filter plate (29), and the drying plate (30). A positioning groove matching the positioning block (31) is opened on the inner wall of the bottom end of the mounting frame (6).

4. The fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: The sealing assembly includes a rotating rod (18) rotatably installed in the indoor air inlet frame (4). A rubber sealing plate (17) is fixedly sleeved on the side wall of the rotating rod (18). An installation box (5) is fixedly installed on one side of the indoor air inlet frame (4). A reduction motor (19) is provided in the installation box (5). The end of the rotating rod (18) near the reduction motor (19) passes through the installation box (5). The end of the rotating rod (18) passing through the installation box (5) is fixedly connected to the end of the output shaft of the reduction motor (19).

5. A fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: The cleaning assembly includes a mounting plate (23) fixedly installed inside the outdoor air inlet frame (8). A dual-axis motor (24) is embedded in the side wall of the mounting plate (23). A support rod (22) is fixedly connected to the output shaft end of the dual-axis motor (24) away from the duct (7). A filter cloth (26) is provided on the side of the first filter plate (21) away from the second filter cotton (20). The support rod (22) passes through the second filter cotton (20), the first filter plate (21), and the filter cloth (26) at the end away from the dual-axis motor (24). A sleeve (15) is fixedly sleeved on the end of the support rod (22) away from the dual-axis motor (24). A plurality of brush plates (16) arranged in a ring array are fixedly installed on the side wall of the sleeve (15). A discharge port is opened on the inner wall of the bottom end of the outdoor air inlet frame (8). A fan blade (25) is fixedly sleeved on the side wall of the output shaft of the dual-axis motor (24) near the duct (7).

6. A fresh air-circulating air combined air conditioning unit according to claim 5, characterized in that: The inner wall of the sleeve (15) is fixedly installed with a plurality of limiting blocks (27) arranged in a ring array. The side wall of the support rod (22) away from the dual-axis motor (24) is provided with a limiting groove that matches the limiting blocks (27).

7. A fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: The dustproof component includes a mounting bracket (13) fixedly installed on the side of the air outlet frame (12) away from the air conditioning unit body (2). A first filter cotton (14) is slidably installed inside the mounting bracket (13). Slider blocks are fixedly installed on both sides of the first filter cotton (14). The inner walls of both sides of the mounting bracket (13) are provided with sliding grooves that match the sliders on the same side.

8. A fresh air-circulating air combined air conditioning unit according to claim 1, characterized in that: Two symmetrically distributed clips (9) are fixedly installed on both sides of the mounting frame (6) away from the air conditioning unit body (2). The indoor air inlet frame (4) has a slot that matches the clip (9) on the side away from the air conditioning unit body (2). A rubber rod is fixedly installed on the side of the slot that is close to the air conditioning unit body (2). A through hole that matches the rubber rod on the same side is opened in the clip (9).

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