Frame for bed with built-in fan

Abstract

The present invention relates to a bed frame having a built-in fan capable of blowing air of a desired temperature upward from a modular frame body that can be used alone or combined. A bed frame with a built-in fan according to one embodiment of the present invention comprises: a frame body having a plurality of first receiving portions formed so as not to interfere with one another and open upwards, and at least one first flow path formed to flow air from the outside to the plurality of first receiving portions; a plurality of first fans each provided in the plurality of first receiving portions to flow air upwards through the open portions; and a controller for controlling the operation of the first fans.

Description

Technology Field

[0001] The present invention relates to a bed frame with a built-in fan, and more specifically, to a bed frame with a built-in fan capable of blowing air of a desired temperature upward from a modular frame body that can be used alone or combined. Background Technology

[0003] In modern society, the use of beds has become commonplace for most people.

[0004] A typical bed consists of a bed frame made of wood or metal and a mattress placed on the upper surface of the bed frame.

[0005] Conventional bed frames are structures on which a mattress rests, and are equipped to support the edges and middle sections of the mattress with a frame-like structure, or to support the entire surface of the mattress.

[0006] In addition, conventional mattresses have multiple spring combinations installed within a fabric outer shell, providing the user with a comfortable and pleasant sleeping environment through the cushioning action of the springs.

[0007] With the recent increase in people's interest in sleep, there has been a growing demand for more comfortable and pleasant sleeping environments, one of which is the ability to maintain a mattress at a desired temperature. This demand is particularly pronounced during the summer months when temperatures and humidity are high, or during the winter months when temperatures are low.

[0008] Accordingly, ventilation structures are provided in the bed frame or mattress in various ways, and cool or warm air is transmitted to the user through the mattress using the provided ventilation structures.

[0009] However, due to various factors such as the length of the air passages constituting the ventilation structure and the location and number of blower fans, the amount of cold or warm air delivered to the user through the mattress varied by area, which sometimes caused discomfort to the user.

[0011] As an example of the technology forming the background of the present invention, Patent Document 1 relates to a multi-purpose bed mat having a cooling system, and more specifically, discloses a multi-purpose bed mat having a cooling system that can be used as a cool bed mat for general people, including patients in general households and hospital patients who have been lying in bed for a long time, by comprising a seating mat having a plurality of perforations formed to facilitate air and wind ventilation, a support net coupled to the lower surface of the seating mat, a wind generating device installed in the empty space of the support net to provide cold wind toward the seating mat, and a control unit that controls the operating time and wind intensity of the wind generating device.

[0013] The content described above as background technology is intended only to help understand the background of the present invention and should not be construed as an acknowledgment that it constitutes prior art already known to those skilled in the art. Prior art literature

[0015] Published Patent Application No. 10-2008-0074394 (July 30, 2008) The problem to be solved

[0016] The present invention provides a bed frame having a built-in fan capable of blowing air of a desired temperature upward from a modular frame body that can be used alone or combined.

[0017] In addition, the present invention provides a bed frame with a built-in fan capable of blowing hot or cold air by concentrating or dispersing it to a location desired by the user, by having a fan that can operate individually for each area of ​​the bed frame.

[0018] In addition, the present invention provides a bed frame with a built-in fan that can maintain a uniform amount of air flowing into each partitioned receiving section in which the fan is accommodated.

[0019] In addition, the present invention provides a bed frame with a built-in fan, wherein the bed frame or pillow frame is modularized and configured so that air passages are interconnected, allowing the bed frame or pillow frame to be separated or combined in a desired form for use.

[0021] The technical problems that the present invention aims to solve are not limited to those mentioned above, and other unmentioned technical problems should be clearly understood by those skilled in the art from the description of the present invention. means of solving the problem

[0023] A bed frame with a built-in fan according to one embodiment of the present invention comprises: a frame body having a plurality of first receiving portions formed so as not to interfere with one another and open upwards, and at least one first flow path formed to flow air from the outside to the plurality of first receiving portions; a plurality of first fans each provided in the plurality of first receiving portions to flow air upwards through the open portions; and a controller for controlling the operation of the first fans.

[0024] The first flow path comprises: a first main flow path formed to pass through a point adjacent to the plurality of first receiving portions while communicating with the outside; a plurality of first branch flow paths branched from the first main flow path and each communicating with the plurality of first receiving portions, and further comprises a blower connected to the first main flow path to flow air into the first main flow path.

[0025] The above-mentioned blower is characterized by being equipped with at least one of a cooling module for cooling the flowing air and a heating module for heating the flowing air.

[0026] The first main flow path is separately provided with a main flow path for cold air and a main flow path for hot air, and the first branch flow path is separately provided with a plurality of cold air branch flow paths branched from the main flow path for cold air and connected to a plurality of first receiving portions, and a plurality of first hot air branch flow paths branched from the main flow path for hot air and connected to a plurality of first receiving portions, and a blower is separately provided in the main flow path for cold air and the main flow path for hot air, respectively, and the blower connected to the main flow path for cold air is equipped with a cooling module for cooling the flowing air, and the blower connected to the main flow path for hot air is equipped with a heating module for heating the flowing air.

[0027] The above-mentioned first main channel is characterized by a cross-sectional area that gradually widens in the direction away from the point where it connects to the outside.

[0028] The plurality of first branch passages are equipped with electronic valves that selectively open and close the respective first branch passages, and each of the electronic valves is characterized by opening and closing operations in conjunction with the operation of a first fan provided in a first receiving portion communicating with the respective first branch passage.

[0029] A side communication port is formed on the side of the above-mentioned frame body, wherein one end and the other end of the above-mentioned first flow path are respectively connected to the outside, and when a plurality of the above-mentioned frame bodies are provided and their sides are joined together, at least one side communication port formed in any one frame body is connected to at least one side communication port formed in another frame body.

[0030] The above-mentioned side communication port is further characterized by being provided with a cover that selectively seals the side communication port.

[0031] A pillow frame is disposed on the upper surface of the frame body and has a plurality of second receiving portions formed therein that are partitioned so as not to interfere with one another and are open upwards, and at least one second receiving portion is formed therein to flow air from the first receiving portion to the plurality of second receiving portions; and further includes a plurality of second fans each provided in the plurality of second receiving portions to flow air upwards through the opening.

[0032] The upper surface of the frame body is characterized by having an upper surface communication opening formed therein that communicates with the second flow path of the pillow frame, and the lower surface of the pillow frame is characterized by having a lower surface communication opening formed therein that communicates with the upper surface communication opening of the frame body while forming one end of the second flow path.

[0033] The second flow path comprises: a second main flow path formed to pass through a point adjacent to the plurality of second receiving sections while communicating with the first flow path; and a plurality of second branch flow paths branched from the second main flow path and communicating with the plurality of second receiving sections. Effects of the invention

[0035] According to an embodiment of the present invention, a plurality of independently partitioned receiving portions are provided in a frame body constituting a bed frame, and a fan is provided that operates independently in each receiving portion, and a flow path into each receiving portion can be selectively opened and closed, thereby allowing the effect of blowing hot or cold air to a location desired by the user, either concentrated or dispersed.

[0036] In addition, by designing the cross-sectional area of ​​the airflow path while considering the distance the air flows, it is possible to expect the effect of discharging a uniform amount of cold or hot air across the entire area, even if the air flow distances differ.

[0037] In addition, by modularizing the bed frame or pillow frame and configuring the air passages to be interconnected, one can expect the effect of separating or combining the bed frame or pillow frame into a desired shape.

[0039] The technical problems that the present invention aims to solve are not limited to those mentioned above, and other unmentioned technical problems should be clearly understood by those skilled in the art from the description of the present invention. Brief explanation of the drawing

[0041] FIG. 1 is a drawing showing a bed frame with a built-in fan according to one embodiment of the present invention, and FIG. 2 is a cross-sectional view showing a bed frame with a built-in fan according to one embodiment of the present invention, and FIG. 3 is a plan cross-sectional view showing a bed frame with a built-in fan according to one embodiment of the present invention, and FIG. 4 is a cross-sectional view showing a bed frame with a built-in fan according to another embodiment of the present invention, and FIG. 5 is a plan cross-sectional view showing a bed frame with a built-in fan according to another embodiment of the present invention, and FIG. 6 is a drawing showing a bed frame with a built-in fan according to one embodiment of the present invention being modularized and combined. FIG. 7 is a drawing showing a modular pillow frame being combined with a bed frame having a built-in fan according to one embodiment of the present invention, and FIG. 8 is a cross-sectional view showing a pillow frame according to one embodiment of the present invention. Specific details for implementing the invention

[0042] Hereinafter, embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Identical or similar components regardless of drawing symbols are given the same reference number, and redundant descriptions thereof will be omitted.

[0043] The suffixes "module" and "part" used for components in the following description are assigned or used interchangeably solely for the ease of drafting the specification, and do not inherently possess distinct meanings or roles.

[0044] In describing the embodiments disclosed in this specification, if it is determined that a detailed description of related prior art may obscure the essence of the embodiments disclosed in this specification, such detailed description is omitted. Furthermore, the attached drawings are intended only to facilitate understanding of the embodiments disclosed in this specification, and the technical concept disclosed in this specification is not limited by the attached drawings; it should be understood that they include all modifications, equivalents, and substitutions that fall within the spirit and technical scope of the present invention.

[0045] Terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but said components are not limited by said terms. These terms are used solely for the purpose of distinguishing one component from another.

[0046] When it is stated that one component is "connected" or "connected" to another component, it should be understood that while it may be directly connected or connected to that other component, there may also be other components in between. On the other hand, when it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between.

[0047] A singular expression includes a plural expression unless the context clearly indicates otherwise.

[0048] In this specification, terms such as “comprising” or “having” are intended to indicate the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not excluding in advance the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

[0050] FIG. 1 is a drawing showing a bed frame with a built-in fan according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing a bed frame with a built-in fan according to one embodiment of the present invention, FIG. 3 is a plan cross-sectional view showing a bed frame with a built-in fan according to one embodiment of the present invention, FIG. 4 is a plan cross-sectional view showing a bed frame with a built-in fan according to another embodiment of the present invention, and FIG. 5 is a plan cross-sectional view showing a bed frame with a built-in fan according to yet another embodiment of the present invention.

[0051] The bed frame presented in this invention is described using an example of a frame in which a mattress is separately provided and supported from below. However, the bed frame presented in this invention is not limited to the presented configuration and may also be applied to a frame in which the springs constituting the mattress are embedded so that the frame and the mattress are integrally formed.

[0052] As illustrated in the drawing, a bed frame with a built-in fan according to one embodiment of the present invention comprises a frame body (100) having a plurality of first receiving portions (110), a plurality of first fans (200) provided in the plurality of first receiving portions (110) to circulate air, and a controller (not shown) for controlling the operation of the first fans (200).

[0053] The frame body (100) is provided in the form of a roughly rectangular block and has a plurality of first receiving portions (110) inside. At this time, the plurality of first receiving portions (110) are partitioned so as not to interfere with each other and are formed to open upwards. Although the first receiving portions (110) are depicted as cylindrical in the drawing, the cross-sectional shape of the first receiving portions (110) is not limited to a circular shape and can be formed in a triangular, square, or irregular shape. Also, although the first receiving portions (110) are arranged in parallel at equal intervals in the drawing, the arrangement of the first receiving portions (110) is not limited to this and can be arranged in various patterns or irregularly.

[0054] Additionally, a cover (not shown) capable of covering at least the open portion of the first receiving portion (110) may be provided on the upper surface of the frame body (100). At this time, the cover may be provided in the form of a mesh or a filter to allow air flowing from the first receiving portion (110) toward the upper direction of the frame body (100) to pass smoothly, while simultaneously preventing parts of the user's body or items placed nearby, such as a blanket, from entering the interior of the first receiving portion (110). Furthermore, multiple covers may be placed on the open upper portion of the first receiving portion (110), or the entire upper surface of the frame body (100) may be covered.

[0055] And, at least one first flow path (120) is formed inside the frame body (100) to allow air to flow from the outside to a plurality of first receiving portions (110).

[0056] The first Euro (120) is a means for flowing external air into the first receiving portion (110), and may be formed in the form of a through hole inside the frame body (100) or may be formed through a separate pipe.

[0057] For example, the first Euro (120) includes a first main Euro (121) formed to pass through a point adjacent to a plurality of first receiving portions (110) while communicating with the outside, and a plurality of first branching Euros (122) branched from the first main Euro (121) and each communicating with a plurality of first receiving portions (110).

[0058] At this time, the first branch path (122) is branched from the first main path (121) and connected in parallel with each other.

[0059] And, it further includes a blower (300) connected to the first main channel (121) to flow air into the first main channel (121).

[0060] Meanwhile, the first main channel (121) can be formed such that its cross-sectional area gradually widens as it moves away from the point where it is connected to the outside. To elaborate, as shown in FIG. 3, the first main channel (121) is configured such that its cross-sectional area widens in proportion to the distance as it moves further away from the point where it is connected to the outside, i.e., the point where the blower (300) is connected (W1) (W1 < W2 < W3). Thus, the amount of air flowing into the first receiving section (110) from the point where the flow distance is relatively short (W1) and the amount of air flowing into the first receiving section (110) from the points where the flow distance gradually increases (W2, W3) are maintained uniformly. At this time, the ratio of the widening of the cross-sectional area of ​​the first main channel (121) can be formed in conjunction with the air flow distance.

[0061] At this time, the lengths of the first branch passage (122), which branches off from the first main passage (121) and connects to the first receiving section (110), are formed to be equal to each other, thereby ensuring that the amount of air flowing into a plurality of first receiving sections (110), which are spaced apart from the blower (300) by different distances, is maintained uniformly.

[0063] Meanwhile, the blower (300) is a means for blowing external air from the frame body (100) into the interior of the frame body (100), that is, through the first flow path (120) to the first receiving section (110). The blower (300) may be directly connected to the first flow path (120) of the frame body (100) or connected by a separate connecting pipe (130).

[0064] At this time, the blower (300) may be equipped with at least one of a cooling module (310) that cools the air flowing through the blower (300) to control the temperature of the flowing air, and a heating module (320) that heats the flowing air.

[0065] As shown in FIG. 4, a cooling module (310) and a heating module (320) can be provided together in a single blower (300). Thus, the temperature of the blown air can be controlled by operating either one of the cooling module (310) and the heating module (320) or both modules simultaneously, depending on the temperature desired by the user.

[0066] At this time, the cooling module (310) and the heating module (320) can be implemented in various ways. For example, the cooling module (310) and the heating module (320) can be implemented using a cooling plate and a heating plate utilizing thermoelectric elements.

[0067] Additionally, as shown in FIG. 5, the first main channel (121) may be separately provided so that the main channel for cold air (121a) and the main channel for hot air (121b) are distinguished.

[0068] Thus, the first branch passage (122) may be separately provided with a plurality of cold air branch passages (122a) branched from the cold air main passage (121a) and connected to a plurality of first receiving sections (110), and a plurality of hot air branch passages (122b) branched from the hot air main passage (121b) and connected to a plurality of first receiving sections (110). At this time, electronic valves (123a, 123b) capable of controlling the opening and closing of each of the plurality of cold air branch passages (122a) and the plurality of hot air branch passages (122b) may be provided.

[0069] In addition, as the main air passage (121a) for cold air and the main air passage (121b) for hot air are separated and provided separately, a blower (300a, 300b) may be provided separately in the main air passage (121a) for cold air and the main air passage (121b) for hot air.

[0070] At this time, a blower (300a) connected to the main air passage (121a) for cold air is equipped with a cooling module (310) for cooling the flowing air, and a blower (300b) connected to the main air passage (121b) for hot air is equipped with a heating module (320) for heating the flowing air.

[0071] Meanwhile, as illustrated in FIGS. 4 and 5, in order to control the air blown from the first receiving section (110) provided in a plurality of units, an electronic valve (123) for selectively opening and closing the first branch passage (122) may be provided in each of the plurality of first branch passages (122).

[0072] At this time, each electronic valve (123) can be opened and closed in conjunction with the operation of the first fan (200) provided in the first receiving section (110) that communicates with the corresponding first branch passage (122). Thus, if airflow through the first receiving section (110) at a specific location is not desired according to manual control by the user or automatic control by the controller, the electronic valve (123) provided in the first branch passage (122) connected to the corresponding first receiving section (110) can be closed, and the operation of the first fan (200) provided in the corresponding first receiving section (110) can be stopped. Conversely, if airflow is desired only to the first receiving section (110) at a specific location, the electronic valve (123) provided in the first branch passage (122) connected to the corresponding first receiving section (110) can be opened, and the first fan (200) provided in the corresponding first receiving section (110) can be operated.

[0073] For example, a first receiving section (110) can be set at a position corresponding to the user's body size via a controller, and cold or warm air can be flowed only to the first receiving section (110) according to the user's request. Alternatively, a sensor (not shown) capable of detecting whether a user is seated on the frame body (100) can be provided at a position corresponding to the first receiving section (110), and cold or warm air can be flowed only to the first receiving section (110) according to the user's seated status and posture detected by the sensor.

[0074] Meanwhile, the first fan (200) is provided in each of the plurality of first receiving portions (110) and serves as a means for flowing air through the open upper portion, and each first fan (200) is individually equipped with a motor to operate the corresponding first fan (200). Thus, the operation of each first fan (200) can be individually controlled by a controller.

[0075] And, as a means of controlling the operation of the first fan (200), the controller can control the opening and closing of the electronic valve (123) provided in the first branch path (122) together with the operation of the first fan (200).

[0077] Meanwhile, the bed frame with a built-in fan according to the present invention can be used in various forms by modularizing and combining them with each other.

[0078] For example, the size of the bed frame with a built-in fan according to the present invention can be formed to the size of a standard single bed. Thus, by combining two frame bodies (100), the size can be changed to the size of a standard double bed.

[0079] As shown in FIG. 6, the sides of two frame bodies (100) can be joined together to expand the bed size and connect the first main passage (121) between them.

[0080] To elaborate, a side communication port (124) is formed on the side of the frame body (100), with one end and the other end of the first flow path (120) communicating with the outside, respectively. At this time, the side communication port (124) formed at one end of the first flow path (120) is connected to a blower (300), and the side communication port (124) formed at the other end is utilized as a connecting passage communicating with the first flow path (120) of another frame body (100).

[0081] Therefore, when a plurality of frame bodies (100) are provided and their sides are joined together, at least one side communication hole (124) formed in one frame body (100) is connected to at least one side communication hole (124) formed in another frame body (100).

[0082] Accordingly, a portion of the cold or hot air blown from the blower (300) is blown to the upper part of the frame body (100) by the operation of the first fan (200) through the first main flow path (121) and the first branch flow path (122) formed in one frame body (100), and the remaining portion of the cold or hot air is supplied to another frame body (100) through the side connecting port (124). The cold or hot air supplied in this way is blown to the upper part of the frame body (100) by the operation of the first fan (200) through the first main flow path (121) and the first branch flow path (122) formed in the frame body (100).

[0083] Additionally, the side vent (124) is further provided with a cover (125) that selectively seals the side vent (124). Thus, when the side vent (124) is not connected to another side vent (124), the side vent (124) can be sealed using the cover (125) to prevent cold or hot air from being unnecessarily lost to the side of the frame body (100).

[0085] Meanwhile, the bed frame with a built-in fan according to the present invention can combine the pillow frame (400) with the frame body (100) by modularizing it so that cold or warm air can be blown through the pillow.

[0086] FIG. 7 is a drawing showing a modular pillow frame being combined with a bed frame having a built-in fan according to one embodiment of the present invention, and FIG. 8 is a cross-sectional view showing a pillow frame according to one embodiment of the present invention.

[0087] As shown in FIGS. 7 and 8, a pillow frame (400) placed on the upper surface of the frame body (100) may be further provided.

[0088] The pillow frame (400) is partitioned so as not to interfere with one another, just like the frame body (100), and has a plurality of second receiving portions (410) that are open to the top, and at least one second receiving portion (420) that allows air to flow from the first receiving portion (120) to the plurality of second receiving portions (410) is formed.

[0089] And, each of the multiple second receiving portions (410) is equipped with a plurality of second fans (200a) that flow air through the open upper portion.

[0090] At this time, the second Euro (420) includes a second main Euro (421) formed to pass through a point adjacent to a plurality of second receiving sections (410) while communicating with the first Euro (120), and a plurality of second branching Euros (422) that branch off from the second main Euro (421) and communicate with a plurality of second receiving sections (410).

[0091] In addition, to connect the first flow path (120) of the frame body (100) with the second flow path (420) of the pillow frame (400), an upper surface communication port (126) is formed on the upper surface of the frame body (100) such that the other end of the first flow path (120) is connected to the second flow path (420) of the pillow frame (400), and a lower surface communication port (426) is formed on the lower surface of the pillow frame (400) such that it is connected to the upper surface communication port (126) of the frame body (100) while forming one end of the second flow path (420).

[0092] Therefore, when placing the pillow frame (400) on the upper surface of the frame body (100), the upper surface communication port (126) of the frame body (100) and the lower surface communication port (426) of the pillow frame (400) are connected to each other.

[0093] Accordingly, a portion of the cold or hot air blown from the blower (300) is blown to the upper part of the frame body (100) through the first main flow path (121) and the first branch flow path (122) formed in the frame body (100), and the remaining portion of the cold or hot air is supplied to the pillow frame (400) through the upper surface communication port (126). The cold or hot air supplied in this way is blown to the upper part of the pillow frame (400) by the operation of the second fan (200a) through the second main flow path (421) and the second branch flow path (422) formed in the pillow frame (400).

[0094] In addition, the upper surface communication port (126) may also be provided with a cover that selectively seals the upper surface communication port (126), just as the side communication port (124) is provided. Thus, when the upper surface communication port (126) is not connected to the lower surface communication port (426) of the pillow frame (400), the upper surface communication port (126) can be sealed using the cover, thereby preventing cold or hot air from being unnecessarily lost to the upper surface of the frame body (100).

[0096] Although the present invention has been described with reference to the accompanying drawings and the aforementioned preferred embodiments, the present invention is not limited thereto but is defined by the claims set forth below. Accordingly, those skilled in the art can make various modifications and variations to the present invention within the scope of the technical spirit of the claims set forth below without departing from the technical spirit of the present invention. Explanation of the symbols

[0098] 100: Frame body 110: First receiving part 120: 1st Euro 121: 1st Main Euro 121a: Main airflow channel for cold air 121b: Main airflow channel for hot air 122: 1st branch channel 122a: Cold air branch channel 122b: Branch passage for hot air 123: Electronic valve 124: Side vent 125: Cover 126: Top surface flue 130: Connecting pipe 200: 1st fan 200a: 2nd fan 300, 300a, 300b: Blower 310: Cooling module 320: Heating module 400: Pillow frame 410: 2nd Reception Zone 420: 2nd Euro 421: 2nd Main Euro 422: 1st Quarter Euro 426: If you do, the chimney

Claims

Claim 1 A frame body having a plurality of first receiving portions formed by partitioning so as not to interfere with one another and opening upwards, and at least one first flow path formed to flow air from the outside to the plurality of first receiving portions; a plurality of first fans each provided in the plurality of first receiving portions to flow air through the opening upwards; and a controller for controlling the operation of the first fans, wherein the first flow path includes a first main flow path formed to pass through a point adjacent to the plurality of first receiving portions while communicating with the outside; and a plurality of first branch flow paths branched from the first main flow path and each communicating with the plurality of first receiving portions, and further includes a blower connected to the first main flow path to flow air into the first main flow path, wherein the first main flow path is separately provided with a cold air main flow path and a hot air main flow path, and the first branch flow path includes a plurality of cold air branch flow paths branched from the cold air main flow path and each communicating with the plurality of first receiving portions, and a plurality of first A bed frame with a built-in fan, wherein a plurality of branch passages for hot air, each connected to a receiving section, are provided separately, and a blower is provided separately in the main passage for cold air and the main passage for hot air, and a cooling module for cooling the flowing air is provided in the blower connected to the main passage for cold air, and a heating module for heating the flowing air is provided in the blower connected to the main passage for hot air. Claim 2 delete Claim 3 delete Claim 4 delete Claim 5 A bed frame with a built-in fan, wherein the first main channel is connected to the outside and the cross-sectional area gradually widens in the direction away from the point where air is introduced. Claim 6 A bed frame with a built-in fan, wherein, in the first paragraph, each of the plurality of first branch passages is equipped with an electronic valve that selectively opens and closes the respective first branch passage, and each of the electronic valves performs an opening and closing operation in conjunction with the operation of a first fan provided in a first receiving part communicating with the respective first branch passage. Claim 7 A bed frame with a built-in fan according to claim 1, wherein a side communication opening is formed on the side of the frame body such that one end and the other end of the first flow path are respectively in communication with the outside, and when a plurality of frame bodies are provided and their sides are joined together, at least one side communication opening formed in one frame body communicates with at least one side communication opening formed in another frame body. Claim 8 A bed frame with a built-in fan, wherein, in claim 7, the side opening is further provided with a cover that selectively seals the side opening. Claim 9 A bed frame with a built-in fan, comprising: a pillow frame disposed on the upper surface of the frame body, having a plurality of second receiving portions formed so as not to interfere with one another and opening upwards, and having at least one second receiving portion formed to flow air from the first receiving portion to the plurality of second receiving portions; and a plurality of second fans each provided in the plurality of second receiving portions to flow air upwards. Claim 10 A bed frame with a built-in fan according to claim 9, wherein an upper surface communication opening is formed on the upper surface of the frame body such that the other end of the first fluid path communicates with the second fluid path of the pillow frame, and a lower surface communication opening is formed on the lower surface of the pillow frame such that one end of the second fluid path communicates with the upper surface communication opening of the frame body. Claim 11 A bed frame with a built-in fan, wherein the second flow path comprises: a second main flow path formed to pass through a point adjacent to the plurality of second receiving parts while communicating with the first flow path; and a plurality of second branch flow paths branched from the second main flow path and communicating with the plurality of second receiving parts.

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