Heat collection device

Abstract

This application relates to a heat collection device, including a heat collection hood with a accommodating cavity. One end of the heat collection hood has a communication port connecting the accommodating cavity to the outside atmosphere. At least one air inlet is also provided at the end of the heat collection hood with the communication port, connecting the accommodating cavity to the outside atmosphere. In this heat collection device, even when the heat collection hood is suddenly opened and rapidly depressurized to create a negative pressure state, airflow still flows into the accommodating cavity from the air inlet, exerting an outward pushing force on the cavity wall. The recessed cavity wall gradually returns to its original state under the push of the airflow and moves away from the air inlet, thus effectively preventing the air inlet from being continuously blocked by the cavity wall. Ultimately, this keeps the heat in the accommodating cavity stable, ensuring the drying efficiency of the heat collection device. Moreover, since the cavity wall can be pushed away from the air inlet even after being moved, it effectively prevents the cavity wall from being directly blown by warm airflow and aging.

Description

Technical Field

[0001] This application relates to the field of drying technology, and in particular to a heat collection device. Background Technology

[0002] With social development and the improvement of people's living standards, warm air dryers, as a type of clothing drying device, are widely used in people's lives. Warm air dryers can generate warm air regardless of weather conditions to accelerate the drying speed and shorten the drying time. Furthermore, they prevent clothes from rubbing against each other and wrinkling during the drying process, and isolate clothes from the external environment, effectively preventing the intrusion of dust, insects, and bacteria, thus bringing convenience to people's lives.

[0003] Current warm-air dryers typically have an installation port at the bottom for mounting the main unit, which has an air outlet to deliver hot air to dry clothes. However, if the dryer is turned on while running, the rapid depressurization inside can create a negative pressure environment inside the dryer. This causes atmospheric pressure to push the dryer's bottom edge up, potentially blocking the air outlet. The blocked outlet continues to blow air directly onto this bottom edge, preventing it from settling down even after the dryer is turned off. This results in a loss of airflow and heat, affecting drying efficiency and shortening the dryer's lifespan. Summary of the Invention

[0004] Therefore, it is necessary to provide a heat collection device to address the problem of the dryer's recessed design affecting the overall airflow.

[0005] A heat collection cover has a receiving cavity, and one end of the heat collection cover has a communication port connecting the receiving cavity to the outside atmosphere;

[0006] The heat collection hood has at least one air inlet at one end where the communication port is located, and the air inlet connects the accommodating cavity to the outside atmosphere.

[0007] In one embodiment, the heat collection shroud includes:

[0008] Bottom wall of the box;

[0009] The box sidewalls extend in the same direction from the edge of the box bottom wall, and the box sidewalls circumferentially surround the box bottom wall; and

[0010] The top wall of the box is located at the end of the side wall of the box away from the bottom wall of the box;

[0011] The bottom wall, side wall, and bottom wall of the box together form the accommodating cavity, and the connecting opening and the air inlet are both located on the bottom wall of the box.

[0012] In one embodiment, the communication port is located at the center of the bottom wall of the box, and the air inlet is located at the edge of the bottom wall of the box near the side wall of the box.

[0013] In one embodiment, the bottom wall of the box is further provided with two sets of air inlets, which are symmetrically located on opposite sides of the connecting opening in a radial direction.

[0014] In one embodiment, the top wall of the box is provided with at least one air outlet, which connects the accommodating cavity to the outside atmosphere.

[0015] In one embodiment, the air outlet is located near the edge of the top wall of the housing that connects to the side wall of the housing.

[0016] In one embodiment, the top wall of the box has multiple air outlets, and all the air outlets are arranged in a matrix.

[0017] In one embodiment, the total area of ​​all the air outlets is equal to the total area of ​​all the air inlets.

[0018] In one embodiment, the volume (m³) of the accommodating cavity and the total area (m²) of all the air outlets are... 2 The ratio of the volume of the accommodating cavity (m³) to the total area of ​​all the air inlets (m²) is 32-39, and / or the ratio of the volume of the accommodating cavity (m³) to the total area of ​​all the air inlets (m²) is 32-39. 2 The ratio is 32-39.

[0019] In one embodiment, the heat collection device includes a frame assembly and a heat collection hood body, the heat collection hood body being fitted over the frame assembly.

[0020] A heat collection device includes the aforementioned heat collection shroud.

[0021] In one embodiment, the heat collection device further includes an air supply assembly, one end of which extends through the communication port into the receiving cavity, and the end of the air supply assembly extending into the receiving cavity has an air outlet. In one embodiment, the heat collection device is a warm air dryer.

[0022] The aforementioned heat collection hood can be equipped with an air supply component at the connection port. During operation, a high-speed hot airflow flows out of the air supply port of the air supply component. As a result, the gas molecules around the air supply port are quickly carried away, causing a low-pressure circulation around the air supply component. Since the air inlet is connected to the external atmosphere, the airflow at the air inlet is quickly compressed to the vicinity of the air supply port by the external atmospheric pressure, thereby increasing the overall air volume of the heat collection device and thus improving the drying efficiency of the heat collection device.

[0023] Furthermore, even when the heat collection hood is suddenly opened and rapidly depressurized to create a negative pressure state, airflow still flows into the receiving cavity from the air inlet, exerting an outward pushing force on the chamber wall. The recessed chamber wall gradually returns to its original state under the push of the airflow and moves away from the air outlet, effectively preventing the air outlet from being continuously blocked by the chamber wall. This ultimately keeps the heat within the receiving cavity stable, ensuring the drying efficiency of the heat collection device. Moreover, because the chamber wall can be pushed away from the air outlet, it effectively prevents the chamber wall from being directly blown by warm airflow, thus preventing aging and extending the service life of the heat collection device.

[0024] Furthermore, since the air inlet is directly opened into the heat collection hood without the need for additional structures, there is no need to change other structures of the heat collection device, and the production cost of the heat collection device will not be significantly increased. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of a heat collection device according to an embodiment of this application.

[0026] Figure 2 for Figure 1 A schematic diagram of the internal structure of the solar collector shown.

[0027] Figure 3 for Figure 1 The diagram shows the internal structure of the heat collection device perpendicular to the second direction.

[0028] Figure 4 for Figure 1 A schematic diagram of the bottom wall of the heat collection hood of the heat collection device shown.

[0029] Figure 5 for Figure 1 A schematic diagram of the top wall of the heat collection hood of the heat collection device shown.

[0030] Explanation of reference numerals in the attached figures:

[0031] 100. Heat collection device; 120. Heat collection cover; 121. Frame assembly; 123. Heat collection cover body; 1232. Bottom wall of the box; 1232a. Connecting port; 1232b. Air inlet; 1234. Top wall of the box; 1234a. Air outlet; 1236. Side wall of the box; 123a. Receiving cavity; 140. Air supply assembly; 140a. Air outlet. Detailed Implementation

[0032] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0033] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 application.

[0034] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0038] See Figures 1 to 3 , Figure 1 A schematic diagram of a heat collection device according to an embodiment of this application is shown. Figure 2 A schematic diagram of the internal structure of a heat collection device according to an embodiment of this application is shown. Figure 3 A schematic diagram of the internal structure of a heat collection device according to an embodiment of this application is shown.

[0039] One embodiment of this application provides a heat collection device 100 for creating a high-temperature environment to dry items. The structure of the heat collection device 100 is described below using a warm-air dryer for drying clothes as an example. This embodiment is only used as an example and does not limit the technical scope of this application.

[0040] The heat collection device 100 includes a heat collection hood 120 and an air supply assembly 140. The heat collection hood 120 has a hollow structure and a cavity 123a for storing clothes. One end of the heat collection hood 120 has a communication port 1232a connecting the cavity 123a to the outside atmosphere. The shape of the communication port 1232a matches the outer contour of the air supply assembly 140. One end of the air supply assembly 140 is located outside the cavity 123a, and the other end of the air supply assembly 140 extends into the cavity 123a through the communication port 1232a. The end of the air supply assembly 140 extending into the cavity 123a has an air outlet 140a. The hot airflow generated by the air supply assembly 140 can enter the cavity 123a through the air outlet 140a, and the hot airflow flows through the clothes in the cavity 123a to dry the clothes. Specifically, in some embodiments, the end of the air supply assembly 140 that extends into the receiving cavity 123a has a plurality of air supply ports 140a, and all the air supply ports 140a are arranged at intervals along the circumference of the air supply assembly 140. It should be noted that the specific structure of the air supply assembly 140 is not a major inventive point of this application, and therefore will not be described in detail here.

[0041] As described in the background section, when the existing heat collection device 100 is opened during operation, the rapid depressurization within the accommodating cavity 123a creates a negative pressure state. Consequently, atmospheric pressure outside the heat collection shroud 120 compresses the inside of the shroud, causing deformation of the shroud's walls and blocking the air outlet 140a of the air supply assembly 140. Even after the shroud 120 is closed, it cannot return to its initial state. With the air outlet 140a of the air supply assembly 140 blocked by the heat collection shroud 120, some of the heat generated by the air supply assembly 140 cannot enter the accommodating cavity 123a, thus affecting the drying effect of the heat collection device 100. Furthermore, the prolonged direct exposure of the shroud walls to the warm airflow blocking the air outlet 140a also shortens their service life.

[0042] To address the aforementioned issues, some existing heat collection devices 100 incorporate leather or other counterweight structures around the air outlet 140a to prevent the casing wall from deforming under external atmospheric pressure and blocking the air outlet 140a of the air supply assembly 140. However, leather is prone to aging after prolonged exposure to heat, and the addition of other counterweight structures increases the assembly difficulty of the heat collection device 100, raises its production costs, and negatively impacts its production efficiency.

[0043] In response to the above problems, combined with Figure 2 and Figure 4 As shown, Figure 4 A schematic diagram of the bottom wall of the heat collection hood of the heat collection device in one embodiment of this application is shown. The heat collection hood 120 of this application has at least one air inlet 1232b at one end with a communication port 1232a, and the air inlet 1232b connects the accommodating cavity 123a with the outside atmosphere.

[0044] Thus, during the operation of the heat collection device 100, a high-speed hot airflow flows out of the air outlet 140a of the air supply component 140. As a result, the gas molecules around the air outlet 140a are quickly carried away, causing a low-pressure circulation around the air supply component 140. Since the air inlet 1232b is connected to the external atmosphere, the airflow at the air inlet 1232b is quickly compressed by the external atmospheric pressure to the vicinity of the air outlet 140a, thereby increasing the overall air volume of the heat collection device 100 and thus improving the drying efficiency of the heat collection device 100.

[0045] Furthermore, even when the heat collection hood 120 is suddenly opened and rapidly depressurized to create a negative pressure state, airflow still flows from the air inlet 1232b into the receiving cavity 123a, exerting an outward pushing force on the cavity wall. The recessed cavity wall gradually returns to its original state under the push of the airflow and moves away from the air outlet 140a, effectively preventing the air outlet 140a from being continuously blocked by the cavity wall. This ultimately keeps the heat in the receiving cavity 123a stable, ensuring the drying efficiency of the heat collection device 100. Moreover, since the cavity wall can be pushed away from the air outlet 140a, it effectively prevents the cavity wall from being directly blown by warm airflow, thus preventing aging and extending the service life of the heat collection device 100.

[0046] Furthermore, since the air inlet 1232b is directly opened in the heat collection cover 120 without the need for additional structures, there is no need to change other structures of the heat collection device 100, and the production cost of the heat collection device 100 will not be significantly increased.

[0047] In some specific embodiments, the heat collection hood 120 has a cubic structure, including a frame assembly 121 and a heat collection hood body 123. The frame assembly 121 is a hollow frame structure formed by overlapping support rods. The heat collection hood body 123 is formed of materials such as non-woven fabric and is fitted over the frame assembly 121 to form a receiving cavity 123a. The frame assembly 121 serves to fix and support the heat collection hood body 123. It is understood that the specific structure of the frame assembly 121 is not limited, and the number, installation position, and connection method of the support rods can be set as needed. Some of the support rods can be used to hang clothing.

[0048] In the following embodiments, the length direction of the heat collection shroud 120 is defined as the first direction (i.e. Figure 1 The X direction in the image), the width direction of the heat collector 120 is the second direction (i.e., the X direction in the image), and the width direction of the heat collector 120 is the second direction (i.e., the X direction in the image). Figure 1 The Y direction in the solar collector 120 is the height direction of the third direction (i.e., the height direction of the solar collector 120 is the third direction). Figure 1 (The Z direction in the text), the "from bottom to top" direction below refers to... Figure 1 The direction indicated by the arrow in the Z direction. The frame assembly 121 includes a support rod extending in a first direction and located in the middle of the receiving cavity 123a in a second direction for hanging clothing.

[0049] Furthermore, the heat collection hood body 123 forms the bottom wall 1232, side wall 1236, and top wall 1234 of the heat collection hood 120. The bottom wall 1232 is located at the bottom of the heat collection hood 120 in a third direction. The side wall 1236 extends from the edge of the bottom wall 1232 along a second direction toward the same side of the bottom wall 1232 and surrounds the bottom wall 1232 circumferentially. The top wall 1234 is located at the end of the side wall 1236 away from the bottom wall 1232. Thus, the bottom wall 1232, side wall 1236, and bottom wall 1232 together enclose and form the receiving cavity 123a.

[0050] Both the connecting port 1232a and the air inlet 1232b are located on the bottom wall 1232 of the box, with the connecting port 1232a located at the center of the bottom wall 1232 and the air inlet 1232b located on the edge of the bottom wall 1232 near the side wall 1236 of the box.

[0051] Thus, one end of the air supply assembly 140 is mounted on the frame assembly 121, and the other end of the air supply assembly 140 extends into the receiving cavity 123a through the connecting port 1232a along a third direction. The hot airflow output by the air supply assembly 140 flows from bottom to top along a third direction into the receiving cavity 123a from the center of the bottom wall 1232, forming an annular low pressure around the air supply assembly 140. The external airflow, under the action of atmospheric pressure, enters the receiving cavity 123a from the air inlet 1232b at the edge of the bottom wall 1232 and flows towards the air supply assembly 140. Based on the pressure difference, the airflow flowing out of the receiving cavity 123a from the air inlet 1232b is gradually squeezed towards the air supply assembly 140, thereby pushing the bottom wall 1232 outward. Since both the air inlet 1232b and the connecting port 1232a are located on the bottom wall 1232 of the enclosure, the relative distance between them is relatively small, thus generating sufficient thrust to mitigate the problem of the bottom wall 1232's inward recess obstructing the air outlet 140a. It is understood that the location of the air inlet 1232b is not limited to this; in some other embodiments, the air inlet 1232b may also be located on the side edge of the side wall 1236 near the bottom wall 1232 of the enclosure.

[0052] In some embodiments, the bottom wall 1232 of the chamber is provided with two sets of air inlets 1232b, which are symmetrically located on opposite sides of the connecting port 1232a in a radial direction. Therefore, the external airflow enters the accommodating cavity 123a from both sides of the bottom wall 1232, thereby making the airflow entering the accommodating cavity 123a more uniform and improving the drying uniformity of the heat collection device 100.

[0053] More specifically, in some embodiments, each group of air inlets 1232b includes only one air inlet 1232b, and two air inlets 1232b are symmetrically arranged on opposite sides of the bottom wall 1232 in the first direction, and each air inlet 1232b is a rectangle extending along the second direction in the length direction. It is understood that the number, shape, area, and location of the air inlets 1232b are not limited to this, and can be configured as needed to meet different requirements.

[0054] Please combine Figure 2 and Figure 5 As shown, Figure 5 A schematic diagram of the top wall of the heat collection hood of a heat collection device according to an embodiment of this application is shown. In some embodiments, the top wall 1234 of the hood is provided with at least one air outlet 1234a, which connects the accommodating cavity 123a to the outside atmosphere. In this way, the hot airflow output from the air supply assembly 140 and the low-temperature airflow flowing in from the air inlet 1232b can flow out of the accommodating cavity 123a through the air outlet 1234a, thereby facilitating the rapid and orderly removal of water vapor evaporated from the clothing from the clothing into the external environment, effectively preventing the water vapor condensed after the clothing has evaporated from becoming damp again.

[0055] Further, in some embodiments, since clothing will obstruct the direct upward flow of hot air from the bottom of the accommodating cavity 123a, the air outlet 1234a is positioned near the edge connecting the top wall 1234 and the side wall 1236 of the box, thereby allowing the airflow to exit the accommodating cavity 123a more smoothly and quickly. Specifically, in some embodiments, the top wall 1234 of the box has multiple air outlets 1234a, all of which are arranged in a matrix. As a preferred embodiment, the top wall 1234 of the box has two sets of air outlets 1234a, which are arranged at intervals along a second direction. Each set of air outlets 1234a includes two air outlets 1234a arranged along a first direction, and each air outlet 1234a is an elongated strip extending along the first direction.

[0056] It is understood that the number, shape, position, and arrangement of air outlets 1234a are not limited to these and can be set as needed to meet different requirements.

[0057] In some embodiments, the total area of ​​all air outlets 1234a is equal to the total area of ​​all air inlets 1232b, thereby ensuring that the air intake and exhaust volumes per unit time are equal. This avoids internal turbulence problems caused by differences in air intake and exhaust volumes, maintains stable air pressure within the accommodating cavity 123a, and ensures smooth air intake and exhaust within the accommodating cavity 123a, guaranteeing the drying efficiency of the heat collection device 100. When the hot airflow delivered by the air supply assembly 140 flows upward, a positive circulation of gas flow can be achieved. That is, dry, cold air flows in from below the accommodating cavity 123a through the air inlets 1232b, and humid, hot air after passing through the clothes flows out from above through the air outlets 1234a, thereby achieving effective and orderly discharge of water vapor. It can be understood that in some other embodiments, the difference between the total area of ​​all air outlets 1234a and the total area of ​​all air inlets 1232b can be set as needed to meet different drying requirements.

[0058] As a preferred embodiment, the volume (m³) of the accommodating cavity 123a and the total area (m²) of all air outlets 1234a are... 2 The ratio of ) is 32-39, and / or the volume (m³) of the accommodating cavity 123a to the total area (m²) of all air inlets 1232b. 2 The ratio is 32-39. Specifically, in some embodiments, the volume of the accommodating cavity 123a is 0.4 m³-0.45 m³, and the total area of ​​all air outlets 1234a and the total area of ​​all air inlets 1232b are both 0.0116 m². 2 -0.0125 m 2 At this time, the heat collection device 100 has a high drying efficiency. It can be understood that the specific values ​​of the volume of the accommodating cavity 123a, the total area of ​​all air outlets 1234a, and the total area of ​​all air inlets 1232b are not limited to these, and can be set as needed to meet different requirements.

[0059] The aforementioned heat collection device 100, on the one hand, has an air inlet 1232b at the bottom of the heat collection hood 120. Therefore, when facing the problem of pressure loss caused by opening the heat collection hood 120 during the drying process, which causes the bottom wall 1232 to block the air outlet 140a of the air supply assembly 140, external airflow can enter the receiving cavity 123a through the air inlet 1232b and exert an outward thrust on the bottom wall 1232, thereby pushing the bottom wall 1232 back to its initial state and ensuring the smooth airflow of the air supply assembly 140. Moreover, after the heat collection hood 120 is closed, since the air supply assembly 140 can continuously provide high-speed hot airflow, the annular low pressure formed around the air supply assembly 140 will continue. The continuous pressure difference will induce airflow to continuously enter the air outlet 140a from the air inlet 1232b, thereby increasing the overall airflow without changing the fan airflow, thus achieving high-volume drying and effectively improving the drying effect. In the drying performance test, 16 pieces of washed clothes were dried in the heat collection device 100. Due to the opening of the air inlet 1232b, the drying time was shortened from 150 minutes to 110 minutes, and the clothes were heated more evenly, which improved the drying effect to a certain extent.

[0060] On the other hand, since the air inlet 1232b and the air outlet 1234a are set with equal areas, the volume of gas entering the accommodating cavity 123a per unit time is the same as the volume of gas discharged, avoiding internal turbulence problems caused by different intake and exhaust volumes, and further improving drying efficiency. Moreover, combined with the upward flow of hot air, a positive circulation of water vapor is achieved within the accommodating cavity 123a, accelerating the discharge of water vapor within the accommodating cavity 123a and preventing the dried clothes from becoming wet again.

[0061] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A heat collection device, characterized in that, The heat collection hood (120) includes a heat collection cover (120) and an air supply assembly (140), wherein the heat collection cover (120) includes: Box bottom wall (1232); The sidewall (1236) extends in the same direction from the edge of the bottom wall (1232), and the sidewall (1236) circumferentially surrounds the bottom wall (1232); and The top wall (1234) of the box is located at the end of the side wall (1236) away from the bottom wall (1232); The bottom wall (1232), the side wall (1236), and the bottom wall (1232) together enclose and form a receiving cavity (123a). The bottom wall (1232) of the box has a communication port (1232a) connecting the accommodating cavity (123a) to the outside atmosphere and two sets of air inlets (1232b). The communication port (1232a) is located at the center of the bottom wall (1232), and the two sets of air inlets (1232b) are located on opposite sides of the communication port (1232a). The air inlets (1232b) are located at the edge of the bottom wall (1232) near the side wall (1236). The top wall (1234) of the box has at least one air outlet (1234a), which connects the accommodating cavity (123a) to the outside atmosphere. One end of the air supply assembly (140) extends into the accommodating cavity (123a) through the connecting port (1232a), and the end of the air supply assembly (140) extending into the accommodating cavity (123a) is provided with an air supply port (140a). The airflow at the air inlet (1232b) can be compressed by the external atmospheric pressure to the vicinity of the air supply port (140a).

2. The heat collection device according to claim 1, characterized in that, The two sets of air inlets (1232b) are symmetrically located on opposite sides of the connecting port (1232a) in a radial direction.

3. The heat collection device according to claim 1, characterized in that, The air outlet (1234a) is located near the edge of the top wall (1234) of the box that connects to the side wall (1236) of the box.

4. The heat collection device according to claim 1, characterized in that, The top wall (1234) of the box is provided with multiple air outlets (1234a), and all the air outlets (1234a) are arranged in a matrix.

5. The heat collection device according to claim 1, characterized in that, The total area of ​​all the said air outlets (1234a) is equal to the total area of ​​all the said air inlets (1232b).

6. The heat collection device according to claim 1, characterized in that, The volume (m³) of the accommodating cavity (123a) and the total area (m²) of all the air outlets (1234a) 2 The ratio of the volume (m³) of the accommodating cavity (123a) to the total area (m²) of all the air inlets (1232b) is 32-39, and / or the ratio of the volume (m³) of the accommodating cavity (123a) to the total area (m²) of all the air inlets (1232b) is 32-39. 2 The ratio is 32-39.

7. The heat collection device according to any one of claims 1 to 6, characterized in that, The heat collection device includes a frame assembly (121) and a heat collection hood body (123), with the heat collection hood body (123) sleeved outside the frame assembly (121).

8. The heat collection device according to claim 7, characterized in that, The heat collection device is a warm air dryer.

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