An adjustable internal and external circulation device

Abstract

This invention provides an adjustable internal and external circulation device, comprising a housing, a wet film assembly, and a fan. The housing has a working chamber at its top and a water storage chamber at its bottom, which communicates with the water storage chamber. One side of the housing has an air outlet communicating with the working chamber, and the other side has two air inlets communicating with the working chamber. A valve is installed on each air inlet to open or close it. The wet film assembly is installed inside the working chamber. The fan is installed inside the working chamber to drive air flow from the air inlets to the air outlets. This invention provides an adjustable internal and external circulation device to achieve free switching between traditional physical cooling and humidification functions.

Description

Technical Field

[0001] This invention relates to the field of humidity control equipment technology, and more specifically to an adjustable internal and external circulation device. Background Technology

[0002] In the fields of warehousing, logistics, and material storage, the stability of the environment's temperature and humidity directly affects the quality and safety of materials. Because different items have varying environmental requirements, it is often necessary to constantly switch between cooling and maintaining suitable humidity levels depending on the items being stored.

[0003] Currently, warehouse environment control typically relies on separate cooling equipment (such as air conditioners) and humidification equipment (such as sprayers), which are not only costly and space-consuming but also difficult to coordinate. While existing wet-film evaporation equipment has some adjustment capabilities, it mostly uses fixed air intake modes (cooling only or humidification only), failing to flexibly adapt to the changing needs of the warehouse environment and making it difficult to achieve efficient cooling and humidification compatibility within the same device. Furthermore, existing equipment has significant shortcomings in human-machine interaction; when the water tank is low, it is usually only indicated via a panel, requiring close inspection to detect, which can easily lead to equipment burn-out or shutdown due to negligence, affecting the continuous stability of the warehouse environment. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an adjustable internal and external circulation device to enable free switching between traditional physical cooling and humidification functions.

[0005] This invention provides an adjustable internal and external circulation device, comprising a housing, a wet film assembly, and a fan. The housing has a working chamber at its top and a water storage chamber at its bottom, which are connected. One side of the housing has an air outlet communicating with the working chamber, and the other side has two air inlets communicating with the working chamber. A valve body is installed on each air inlet to open or close the air inlet. The wet film assembly is installed inside the working chamber. The fan is installed inside the working chamber to drive air to flow from the air inlets to the air outlets.

[0006] Optionally, the valve body includes an inner tube, an outer tube, a radial arm, and at least one cap. One end of the inner tube is connected to the air inlet, and the other opposite end is inserted into the outer tube. The outer tube can rotate around the axis of the inner tube. The inner tube body has an annular end face at the end away from the air inlet, and a short shaft is provided on the annular end face. The cover covers the end face of the air inlet and can rotate around the short shaft. The two ends of the radial arm are respectively hinged to the cover and the outer tube body.

[0007] Optionally, it also includes a self-detaching water storage assembly, which includes a water tank, a water trough, a positioning rod, a locking pin, an elastic body I, and an elastic body II. The housing has a spring-loaded window communicating with the water storage cavity, and a pull ring is provided inside the water storage cavity. The water trough is inserted into the water storage cavity along the spring-loaded window and can slide horizontally within the water storage cavity. A receiving groove is provided at the top of the water trough, and the water tank is located within the receiving groove and can slide vertically within the receiving groove. The positioning rod is installed on one side of the water tank. The end of the positioning rod away from the water tank extends vertically downward to form a limiting boss. One end of the locking pin is hinged to the positioning rod, and the other opposite end extends vertically downward to form a free end. The locking pin is set close to the limiting boss on the side near the water tank. The locking pin can be inserted into the pull ring to fix the water tank. The elastic body I is located in the receiving groove, and both ends of the elastic body I are connected to the water tank and the water trough, respectively. The elastic body II is located in the water storage cavity, and both ends of the elastic body II are connected to the water trough and the shell, respectively.

[0008] Optionally, the self-detaching water storage assembly further includes a tray, which is located in the receiving groove and can slide vertically in the receiving groove. The top of the tray is detachably connected to the bottom of the water tank. The two ends of the elastic body I are respectively connected to the tray and the water tank.

[0009] Optionally, it also includes an adjusting screw. The side of the water tank has a vertical sliding groove, and the top of the water tank has a screw hole communicating with the vertical sliding groove. The positioning rod is inserted into the vertical sliding groove and can slide along the vertical sliding groove. The adjusting screw is threaded to the water tank through the screw hole, and the adjusting screw is inserted into the vertical sliding groove and connected to the positioning rod, and can rotate around the vertical axis on the positioning rod.

[0010] Optionally, a dustproof screen is installed inside the air inlet.

[0011] As can be seen from the above technical solution, the beneficial effects of the present invention are as follows: The present invention provides an adjustable internal and external circulation device, including a housing, a wet film assembly, and a fan. The top of the housing is provided with a working chamber, and the bottom is provided with a water storage chamber. The working chamber and the water storage chamber are connected. One side of the housing is provided with an air outlet communicating with the working chamber, and the other side is provided with two air inlets communicating with the working chamber. A valve body is installed on each air inlet to open or close the air inlet. The wet film assembly is installed inside the working chamber. The fan is installed inside the working chamber to drive air to flow from the air inlets to the air inlets. The present invention provides an adjustable internal and external circulation device to achieve free switching between traditional physical cooling and humidification functions. Attached Figure Description

[0012] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0013] Figure 1 This is a schematic diagram of an adjustable internal and external circulation device according to an embodiment of the present invention; Figure 2 This is a schematic diagram of the valve body structure; Figure 3 This is a schematic diagram of the self-detachable water storage component.

[0014] Figure label: 1-Shell, 2-Wet film assembly, 3-Valve body, 4-Self-detaching water storage assembly, 5-Adjusting screw, 11-Working chamber, 12-Water storage chamber, 13-Air outlet, 14-Air inlet, 15-Spring window, 16-Pull ring, 31-Inner tube, 32-Outer tube, 33-Radial arm, 34-Cap, 41-Water tank, 42-Water trough, 43-Positioning rod, 44-Locking post, 45-Elastic body I, 46-Elastic body II, 47-Panel, 311-Short shaft, 411-Vertical slide groove, 431-Limiting boss. Detailed Implementation

[0015] The embodiments of the technical solution of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the technical solution of the present invention and are therefore intended to limit the scope of protection of the present invention.

[0016] Please see Figure 1-3 This embodiment provides an adjustable internal and external circulation device, including a housing 1, a wet film assembly 2, and a fan. The housing 1 has a working chamber 11 at its top and a water storage chamber 12 at its bottom, which communicates with each other. One side of the housing has an air outlet 13 communicating with the working chamber, and the other side has two air inlets 14 communicating with the working chamber. A valve body 3 is installed on each air inlet to open or close it. The wet film assembly is installed inside the working chamber. The fan is installed inside the working chamber to drive air from the air inlets to the air outlets. It also includes a circulation pump and a spray assembly located directly above the wet film assembly. The two ends of the circulation pump are connected to the spray assembly and the water storage chamber, respectively, to direct water from the water storage chamber to the spray assembly. One air inlet communicates with the interior and is the front air inlet; the other air inlet leads to the exterior through a duct and is the rear air inlet.

[0017] During operation, the spray assembly draws water from the storage chamber using a circulating pump and sprays it onto the wet film assembly. Simultaneously, the fan starts, and high-speed airflow passes through the wet film assembly, humidifying and cooling the room. When cooling is the primary function, the front air inlet is closed. The fan draws in air from the outside, utilizing the humidity difference between indoors and outdoors to improve evaporation efficiency. The dry air passes through the wet film assembly, where evaporation carries away heat, turning it into cool air which is then expelled through the outlet 13, thus cooling the room. When humidification is the primary function, the rear air inlet is closed to prevent dry outside air from entering the room. The wet film assembly evaporates moisture into the room, increasing indoor humidity. This invention provides an adjustable internal and external circulation device to freely switch between traditional physical cooling and humidification functions. It solves the problem that traditional physical cooling and humidification functions cannot be simultaneously compatible and require two independent systems, enabling a single device to comprehensively regulate the temperature and humidity of the storage environment.

[0018] As a further improvement to the above technical solution, the valve body 3 includes an inner tube 31, an outer tube 32, a radial arm 33 and at least one cover 34. One end of the inner tube is connected to the air inlet, and the other opposite end is inserted into the outer tube. The outer tube can rotate around the axis of the inner tube. The inner tube body has an annular end face at the end away from the air inlet, and a short shaft 311 is provided on the annular end face. The cover covers the end face of the air inlet and can rotate around the short shaft. The two ends of the radial arm are respectively hinged to the cover and the outer tube body.

[0019] In its initial state, the cover 34 covers the end face of the air inlet, sealing it off. This prevents dust from entering the housing through the air inlet. During operation, rotating the outer tube 32 causes the cover 34 to rotate via the radial arm 33, opening the air inlet. When adjusting the airflow, rotating the outer tube 32 in the opposite direction causes the radial arm 33 to push the cover 34 to rotate in the opposite direction, gradually covering the air inlet and reducing the cross-sectional area of ​​the air inlet. When the target airflow is reached, rotating the outer tube 32 stops. This allows for adjustment of the airflow. Because a small airflow at a constant wind speed results in less air passing through the wet film assembly per unit time, less heat is carried away, less moisture is removed, leading to low cooling and humidification effects. Conversely, a large airflow per unit time results in more heat and moisture being carried away, leading to higher cooling and humidification effects. This allows for adjustment of both humidification and cooling effects. When there is only one cap, the cap 34 is circular; when there are two caps 34, the caps 34 are semi-circular. In one embodiment of the present invention, there are a plurality of caps 34, such as... Figure 2 As shown, the caps are petal-shaped. Because there are many caps, and each cap covers a small area, only a relatively small rotation is needed to achieve a large adjustment of the air intake volume.

[0020] As a further improvement to the above technical solution, a dust filter is installed inside the air inlet to prevent dust from entering the housing during operation.

[0021] As a further improvement to the above technical solution, a self-detaching water storage component 4 is also included. This self-detaching water storage component includes a water tank 41, a water trough 42, a positioning rod 43, a locking pin 44, an elastic body I 45, and an elastic body II 46. The housing 1 has a spring-loaded window 15 communicating with the water storage cavity, and a pull ring 16 is provided inside the water storage cavity. The water trough is inserted into the water storage cavity along the spring-loaded window and can slide horizontally within the water storage cavity. A receiving groove is provided at the top of the water trough, and the water tank is located within the receiving groove and can slide vertically within the receiving groove. The positioning rod 43... A rod is installed on one side of the water tank. The end of the positioning rod 43 away from the water tank extends vertically downward to form a limiting boss 431. One end of the locking pin is hinged to the positioning rod, and the other opposite end extends vertically downward to form a free end. The locking pin is positioned close to the limiting boss on the side near the water tank. The locking pin can be inserted into a pull ring to fix the water tank. The elastic body I is located in the receiving groove, and both ends of the elastic body I are connected to the water tank and the water trough, respectively. The elastic body II is located in the water storage cavity, and both ends of the elastic body II are connected to the water trough and the shell, respectively. The elastic body I 45 and elastic body II 46 can be elastic sponges or springs. In this embodiment, a compression spring is used for ease of maintenance.

[0022] When the water tank is full, the water tank compresses the elastic body I under the action of gravity. The locking pin 44 is in the low position, pushing the water trough so that it is inserted into the water storage cavity along the pop-up window. The locking pin 44 encounters the outer side of the pull ring 16. Under the action of the pull ring, the locking pin 44 rotates towards the side closer to the water tank. After the locking pin 44 has completely passed the pull ring 16, it rotates away from the water tank under its own gravity, returning to a vertical state. At this time, the water trough is released. Under the action of the elastic body II, the water trough slides out of the pop-up window until the locking pin 44 encounters the inner side of the pull ring 16. Because the locking pin is set tightly against the limiting protrusion near the water tank, the locking pin cannot rotate away from the water tank, thus fixing the water tank. As the water in the tank gradually decreases, the water tank gradually slides upward under the action of the elastic body I, causing the locking pin 44 to slide upward until the locking pin 44 is completely separated from the pull ring 16. At this time, the water trough pops out of the pop-up window under the action of the elastic body II. In this embodiment, the water tank can be automatically ejected when it is low on water, making it easier for staff to detect the low water level from a relatively distant distance and to refill the tank promptly. A torsion spring is installed between the locking pin 44 and the positioning rod 43 in this embodiment, allowing the locking pin 44 to rotate promptly away from the water tank after it has completely passed the pull ring 16, thus locking the water tank in a timely manner.

[0023] As a further improvement to the above technical solution, the self-detaching water storage assembly 4 also includes a support plate 47, which is located in the receiving groove and can slide vertically within the receiving groove. The top of the support plate is detachably connected to the bottom of the water tank; the two ends of the elastic body I are respectively connected to the support plate and the water tank. This facilitates the disassembly of the water tank.

[0024] As a further improvement to the above technical solution, an adjusting screw 5 is also included. A vertical sliding groove 411 is formed on the side of the water tank 41, and a screw hole communicating with the vertical sliding groove is formed on the top of the water tank. The positioning rod is inserted into the vertical sliding groove and can slide along it. The adjusting screw is threadedly connected to the water tank through the screw hole, and is also inserted into the vertical sliding groove and connected to the positioning rod, and can rotate around the vertical axis on the positioning rod. Tightening the adjusting screw 5 can push the positioning rod to slide within the vertical sliding groove, facilitating the adjustment of the insertion depth of the locking pin 44 into the pull ring 16. The deeper the locking pin 44 is inserted, the higher the upward sliding height is required for the locking pin 44 to completely detach from the pull ring 16. This means the water tank is lighter when detached, the less water is in the tank, the more water is used, and the longer the water change interval. The shallower the locking pin 44 is inserted, the lower the upward sliding height required for the locking pin 44 to completely disengage from the pull ring 16. In other words, the heavier the water tank is when it disengages, the more water is in the tank, resulting in less water being used and a shorter water change interval. This allows the water change interval to be adjusted by adjusting the screw 5.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be covered within the scope of the claims and specification of the present invention.

Claims

1. An adjustable internal-external circulation device characterized by: The utility model provides a kind of air purifier, including shell (1), wet film assembly (2) and fan, the top of the shell (1) is provided with working cavity (11), bottom is provided with water storage cavity (12), the working cavity is communicated with water storage cavity, the side of the shell is provided with with working cavity communication air outlet (13), the other side is provided with two with working cavity communication air inlet (14), the valve body (3) is installed on the air inlet, the valve body is used to open or close air inlet;The wet film assembly is installed in working cavity;The fan is installed in working cavity, to drive air from air inlet to air inlet.

2. An adjustable internal / external circulation device according to claim 1, wherein: The valve body (3) includes inner tube body (31), outer tube body (32), radial arm (33) and at least one cover (34), one end of the inner tube body is communicated with air inlet, the other opposite end is inserted into outer tube body, and the outer tube body can rotate around the axis of the inner tube body; The end of the inner tube body away from air inlet is provided with annular end face, the annular end face is provided with short shaft (311), the cover is covered on the end face of air inlet, and the cover can rotate around the short shaft, the two ends of the radial arm are respectively hinged on the cover and the outer tube body.

3. An adjustable internal / external circulation device according to claim 1 or 2, wherein: It also includes a self-detaching water storage assembly (4), which includes a water tank (41), a water tank (42), a positioning rod (43), a lock column (44), an elastic body I (45), and an elastic body II (46). The shell (1) has a pop window (15) that is communicated with the water storage cavity, and the water storage cavity is provided with a pull ring (16). The water tank is inserted into the water storage cavity along the pop window and can slide in the water storage cavity in the horizontal direction. The top of the water tank is provided with a receiving groove, and the water tank is located in the receiving groove and can slide in the receiving groove in the vertical direction. The positioning rod is installed on one side of the water tank. The end of the positioning rod (43) away from the water tank extends downward in the vertical direction to form a limiting boss (431). One end of the lock column is hinged to the positioning rod, and the other opposite end extends downward in the vertical direction to form a free end. The lock column is close to the side of the limiting boss near the water tank. The lock column can be inserted into the pull ring to fix the water tank. The elastic body I is located in the receiving groove, and the two ends of the elastic body I are respectively connected with the water tank and the water tank. The elastic body II is located in the water storage cavity, and the two ends of the elastic body II are respectively connected with the water tank and the shell.

4. An adjustable internal / external circulation device according to claim 3, wherein: The self-detaching water storage assembly (4) also includes a supporting plate (47), which is located in the receiving groove and can slide in the receiving groove in the vertical direction. The top of the supporting plate is detachably connected with the bottom of the water tank. The two ends of the elastic body I are respectively connected with the supporting plate and the water tank.

5. An adjustable internal / external circulation device according to claim 3, wherein: It also includes an adjusting screw (5). The side of the water tank (41) has a vertical sliding groove (411). The top of the water tank has a screw hole that is communicated with the vertical sliding groove. The positioning rod is inserted into the vertical sliding groove and can slide in the vertical sliding groove. The adjusting screw is threadedly connected with the water tank through the screw hole. The adjusting screw is inserted into the vertical sliding groove and connected with the positioning rod, and can rotate on the positioning rod around the vertical axis.

6. An adjustable internal / external circulation device according to claim 1, wherein: A dustproof net is installed in the air inlet.

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