Ventilation system

Abstract

To provide a ventilator which can be easily installed.SOLUTION: A ventilator 1 includes: a body portion 5 having a locking portion 8 locked to an opening / closing member 3 and an air duct chamber 7 having an opening portion 28 opening upward or downward of the locking portion 8; and a fan 20 positioned in the air duct chamber 7 and arranged in the body portion 5.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a ventilation device comprising a body in which a fan is arranged. [Background technology]

[0002] Conventionally, there is known a ventilation device for ventilating the interior of an automobile. This ventilation device includes a deformable arm, a casing with a built-in fan attached to the arm, and a solar panel for power supply arranged on the outside of the casing. The arm is attached to the window glass receiving groove at the top of the window frame, and is attached by being sandwiched from below by the window glass. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2009-214852 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, with the above-mentioned ventilation device, the arms must be fitted according to the shape of the window frame, and the entire device is suspended by soft arms until it is sandwiched between the window glass and the upper part of the window frame, so it needs to be held down to prevent it from falling, making installation complicated.

[0005] The present invention has been made in consideration of the above points, and has an object to provide a ventilation device that can be easily installed. [Means for solving the problem]

[0006] The ventilation device according to the present invention has a locking part that is locked to a mounting part and an opening that opens above or below the locking part. each Prepare Multiple A main body having an air passage chamber; each a fan disposed in the main body and located in the air passage chamber; One of the air passage chambers is an intake chamber and the other is an exhaust chamber, and they are formed in the main body independently of each other, and the fan has one intake fan arranged in the intake chamber and another exhaust fan arranged in the exhaust chamber. . Effect of the Invention

[0007] The present invention allows for easy installation. [Brief description of the drawings]

[0008] [Figure 1] 1A and 1B show a state in which a ventilation device according to a first embodiment is in use, where (a) is a front view and (b) is a rear view. [Diagram 2] FIG. [Diagram 3] FIG. [Figure 4] FIG. [Diagram 5] 4 is a cross-sectional view taken along the line AA in FIG. 3. [Figure 6] FIG. [Figure 7] FIG. 4 is a side view showing another example of the ventilation device in use. [Figure 8] FIG. 11 is a front view of a ventilation device according to a second embodiment. [Figure 9] 10(a) is a cross-sectional view of a ventilation device according to a third embodiment taken along a line corresponding to BB in FIG. [Figure 10] 1A and 1B show the above ventilation device in use, with (a) being a front view and (b) being a rear view. [Figure 11] 10(a) is a cross-sectional view of the ventilation device shown in FIG. [Figure 12] FIG. 11 is a side view showing another example of the ventilation device in use from the indoor side. [Figure 13] 13A and 13B show a ventilation device according to a fourth embodiment, in which (a) is a perspective view thereof and (b) is a side view showing a state of use. [Figure 14] 1A and 1B show the above ventilation device in use, with (a) being a front view and (b) being a rear view. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] A first embodiment of the present invention will be described with reference to the drawings.

[0010] 1(a), 1(b), 2 and 6, reference numeral 1 denotes a ventilation device. The ventilation device 1 is attached and installed to the upper part of a mounting part, for example, the upper part of an opening / closing member 3 which is a mounting part that opens and closes a window 2 in the vertical direction, and in this embodiment, a vehicle ventilation device 1 that ventilates the inside and outside of a vehicle such as an automobile is taken as an example. In this example, the window 2 is a side window, and the opening / closing member 3 is a window glass.

[0011] The ventilation device 1 includes a main body 5. The main body 5 has an air passage chamber 7 formed inside a housing (casing) 6, and a locking portion (hook portion) 8 for locking the ventilation device 1 to the upper part of the opening / closing member 3. In the following, the front-rear direction, left-right direction, and up-down direction are based on the installation state in which the ventilation device 1 is locked to the upper part of the opening / closing member 3 from the inside of the cabin by the locking portion 8, and the inside of the vehicle or the user side is the front side, and the outside of the vehicle is the rear side. In the drawings, the front side is indicated by an arrow FR, the rear side by an arrow RR, the left side by an arrow L, the right side by an arrow R, the upper side by an arrow U, and the lower side by an arrow D.

[0012] The housing 6 has an upper surface 10, a lower surface 11, a front surface 12, a rear surface 13, and both side surfaces 14, 14, and is a hollow box that divides an air passage chamber 7. In this embodiment, a partition section (partition plate) 15 shown in FIG. 4 is formed inside the housing 6, and a plurality of independent air passage chambers 7 are divided. In the illustrated example, the partition section 15 is located in the center in the left-right direction inside the housing 6, and a pair of air passage chambers 7 are set on the left and right inside the housing 6. Preferably, the housing 6 is made of metal, i.e., sheet metal, and is made of, for example, stainless steel (SUS304) with a hairline finish, thereby achieving both strength (durability) and appearance (luxury).

[0013] As shown in Figs. 1 to 4, the upper surface 10 and the lower surface 11 are horizontal planes extending in the front-rear and left-right directions, for example, and are positioned vertically apart from each other. In this embodiment, the upper surface 10 and the lower surface 11 have the same or approximately the same width, and the lower surface 11 is formed shorter in the front-rear direction than the upper surface 10. The upper surface 10 is a pressure contact portion that is pressed against the upper window frame 17 from below when the ventilation device 1 is installed. A gap filling member may be disposed on the upper portion of the upper surface 10 to close the gap between the window frame 17 and the upper surface. The blocking member is a member having elasticity, flexibility, etc., and is preferably a urethane member.

[0014] In this embodiment, the front surface 12 integrally has an upper front surface 12a connected to the lower part of the upper surface 10 and a lower front surface 12b connected to the upper part of the lower surface 11. The upper front surface 12a is formed to be inclined downward from the upper surface 10. The upper end of the lower front surface 12b is curvedly connected to the lower end of the upper front surface 12a. The lower front surface 12b is formed to be inclined downward from the lower end of the upper front surface 12a to the rear side. In other words, the lower front surface 12b faces downward from the main body 5 and is inclined with respect to the opening and closing member 3. The upper front surface 12a and the lower front surface 12b form a shape in which the front surface 12 bulges forward and expands the air passage chamber 7 in the front-rear direction.

[0015] The front lower portion 12b is longer in the vertical direction than the front upper portion 12a, that is, has a larger area. The front lower portion 12b is fitted with a fan 20 that passes airflow through the air passage chamber 7. That is, the front lower portion 12b is the mounting surface of the fan 20. The fan 20 attached to the front lower portion 12b is arranged on the main body 5 in a state of being inclined downward. The fan 20 is fitted into the mounting opening 21 located on the front lower portion 12b and covers the mounting opening 21. The mounting opening 21 is one of the intake and exhaust ports of the air passage chamber 7, and is formed according to the air passage chamber 7. In this embodiment, a pair of mounting openings 21 are formed on the left and right. That is, one mounting opening 21 is arranged for each air passage chamber 7. In the illustrated example, the mounting opening 21 is formed by penetrating the plate thickness of a separate mounting plate 22, and the mounting plate 22 is attached to cover an opening in the front of the housing 6 to form the front lower portion 12b, and the fan 20 is attached to the front of the housing 6.

[0016] The fan 20 is DC-driven. For example, the fan 20 can be driven by DC 5V, and a fan driven by low power is preferably used. The fan 20 is arranged according to the air path chamber 7, and is located at the upstream end or downstream end of the air path chamber 7. In this embodiment, a plurality of fans 20, for example a pair of fans 20, are arranged. That is, one fan 20 is arranged for each air path chamber 7. In the illustrated example, the fans 20 are arranged side by side and spaced apart from each other. This is not limiting, and the fans 20 may be arranged side by side vertically.

[0017] Preferably, the fans 20 are driven independently of each other. That is, one fan 20 can be set to be stopped or driven separately from the other fans 20. In this embodiment, the fans 20 can be switched between three modes by the switch 23: stopped (OFF), strong wind drive (HIGH), and weak wind drive (LOW).

[0018] The pair of fans 20 may both be used for intake or exhaust, or may be reversible so that intake and exhaust can be switched by a switch 23 or the like depending on the direction of rotation, but preferably one is used as an intake fan and the other as an exhaust fan. In the illustrated example, the left fan 20 is the intake fan, the left air passage chamber 7 is the intake chamber, the right fan 20 is the exhaust fan, and the right air passage chamber 7 is the exhaust chamber, but it is arbitrary which fan 20 is used as the intake fan and which is the exhaust fan.

[0019] In this embodiment, the switch 23 is disposed between the fans 20, 20 (between the mounting openings 21, 21). A switch 23 is provided for each fan 20. A lever-type toggle switch is preferably used as the switch 23. In the illustrated example, the switch 23 is disposed side by side on the left and right of the panel 24, and is held by the mounting plate 22 together with the panel 24 that displays the functions of the switch 23 and the fan 20, and is attached to the front lower part 12b via the mounting plate 22 together with the fan 20.

[0020] The switch 23 and the fan 20 are electrically connected to a drive circuit. The drive circuit is configured, for example, on a circuit board attached to the rear of the mounting plate 22, and is located inside the housing 6. The circuit board including the drive circuit may be arranged, for example, in or close to the exhaust air passage chamber 7, so that it can be cooled by the exhaust air discharged through the air passage chamber 7.

[0021] Preferably, power to the drive circuit is supplied from an external power source. In this embodiment, the external power source is a portable power source, preferably a mobile battery, which is detachable from the connection unit 25. For example, a USB jack is preferably used as the connection unit 25. The connection unit 25 is electrically connected to the tip end of a wiring 26 led out from the housing 6. The base end of the wiring 26 is electrically connected to the drive circuit, and is led out from the center of the lower surface 11 in the left-right direction to the outside of the main body unit 5 (housing 6), for example.

[0022] In this embodiment, the rear surface 13 integrally includes a rear surface upper portion 13a that is connected to the lower portion of the upper surface 10, a rear surface intermediate portion 13b that is connected to the lower portion of the rear surface upper portion 13a, and a rear surface lower portion 13c that is connected from the lower portion of the rear surface intermediate portion 13b to the lower surface 11. The rear surface upper portion 13a is a plane that extends in the up-down direction and the left-right direction. The rear surface intermediate portion 13b extends forward from the rear surface upper portion 13a and is a horizontal plane that extends in the up-down direction and the left-right direction. The rear surface lower portion 13c extends downward from the front end portion of the rear surface intermediate portion 13b and is a plane that extends in the up-down direction and the left-right direction. The rear surface upper portion 13a, the rear surface intermediate portion 13b, and the rear surface lower portion 13c bend the rear surface 13 in a crank shape when viewed from the side.

[0023] An opening 28, which is the other intake / exhaust port of the air path chamber 7, is formed in the rear surface upper portion 13a. The opening 28 is formed in accordance with the air path chamber 7. In the present embodiment, the opening 28 is located at the top of the main body portion 5, and is above the fan 20. In the present embodiment, two openings 28 are arranged side by side on the left and right for each air path chamber 7. In the illustrated example, four openings 28 are arranged side by side on the left and right at equal or approximately equal intervals in the rear surface upper portion 13a.

[0024] The opening 28 is covered by a filter 29. The filter 29 is an insect filter that prevents insects and the like from entering the air passage chamber 7, and is formed of, for example, a wire mesh. In this embodiment, the filter 29 is provided on a separate plate member 31 as shown in Fig. 2. The plate member 31 is overlapped on the rear part of the rear surface upper part 13a and fixed to the rear surface upper part 13a, so that the opening 28 is covered by the filter 29.

[0025] The plate member 31 has a lower end portion extending downward beyond the rear surface intermediate portion 13b, so that the rear surface lower portion 13c and the rear surface intermediate portion 13b form a hook-shaped locking portion 8. That is, the opening 28 and the filter 29 are located in the opposite direction to the protruding direction of the locking portion 8, that is, above the locking portion 8 in this embodiment. In the illustrated example, a grip portion 32, which is a soft or elastic member for preventing slipping and for preventing damage to the opening / closing member 3, is attached to the lower end portion of the plate member 31 in the locking portion 8.

[0026] The rear intermediate portion 13b is located below the upper surface 10 and parallel or approximately parallel to the upper surface 10, and extends rearward on the upper rear side of the housing 6 to form a duct portion 33 that constitutes the upstream end or downstream end of the air passage chamber 7 in front of the opening 28. The upper end of the opening / closing member 3 abuts against the lower portion of the rear intermediate portion 13b or the duct portion 33. In other words, the rear intermediate portion 13b or the duct portion 33 is a support portion for supporting the ventilation device 1 on the upper end of the opening / closing member 3. The duct portion 33 is a portion that is sandwiched vertically between the upper portion of the opening / closing member 3 and the lower portion of the window frame 17 of the window 2 and extends from inside the room to outside the room. The vertical height of the duct portion 33 is set small so that it is not easy to access the room through the gap between the opening / closing member 3 and the window frame 17 from the viewpoint of crime prevention, and is, for example, about 4 cm. For example, if the opening / closing member 3 is a window glass for a vehicle, it is desirable to prevent the safety device for preventing pinching of the power window from activating when the opening / closing member 3 is pulled up together with the ventilation device 1 using the automatic function of the power window due to pinching of the duct portion 33.

[0027] The rear surface lower part 13c is spaced forward from the locking part 8, and forms a space in which the upper end of the opening / closing member 3 is located between this locking part 8 and the rear surface intermediate part 13b. The front-to-rear direction length of the rear surface intermediate part 13b, which sets the front-to-rear width of this space, is set to be large relative to the thickness of the opening / closing member 3, but it is preferable that it is not excessively large relative to the thickness of the opening / closing member 3 so that balance can be maintained in the locked state by the locking part 8.

[0028] The side surfaces 14 are, for example, vertical planes extending in the front-rear and up-down directions, and are spaced apart from each other on the left and right. The side surfaces 14 close the sides of the upper surface 10, the lower surface 11, the front surface 12, and the rear surface 13. In this embodiment, each side surface 14 is provided with a handle 35 for holding the ventilator 1 when installing or removing it.

[0029] 1(a) and 5, the partition 15 is formed in the same shape or substantially the same shape as the side surface 14, and separates the multiple air passage chambers 7 from the mounting opening 21 to the opening 28 to form substantially independent sections. In this embodiment, the partition 15 is a plate-shaped partition plate, and is attached to a mounting bracket 37 welded to the front part of the rear surface rear part 13c of the rear surface 13 of the housing 6 by overlapping them in the left-right direction.

[0030] Next, the operation of the first embodiment will be described.

[0031] When installing the ventilation device 1, first, the opening / closing member 3 is pulled down to open the top of the window 2 slightly, and the ventilation device 1 held by the handles 35, 35 is hooked onto the top of the opening / closing member 3 while extending the engaging portion 8 from the inside to the outside of the room through the open gap, and the ventilation device 1 is hung from the top of the opening / closing member 3 as shown in Figures 1(a), 1(b), and 2.

[0032] Thus, according to the first embodiment, the ventilation device 1 can be easily installed basically by simply hooking and retaining the locking portion 8 on the upper portion of the mounting portion (opening / closing member 3).

[0033] Moreover, if the size is suitable, the ventilation device 1 can be used for various windows 2 and vehicle models.

[0034] Furthermore, if the opening / closing member 3 is pulled up together with the ventilation device 1 and the upper part of the duct part 33 of the ventilation device 1, i.e., the upper surface 10 of the housing 6, is pressed against the lower part of the window frame 17, the gap between the upper part of the opening / closing member 3 and the lower part of the window frame 17 is about 4 cm, so it is basically difficult to access the room through this gap. Moreover, the gap between the upper part of the opening / closing member 3 outside both side surfaces 14 of the ventilation device 1 and the lower part of the window frame 17 can be blocked by inserting a blocking member as necessary, making it possible to block the entire gap almost completely. Therefore, the device can be used in a state with excellent crime prevention.

[0035] In this installed state, the entire ventilation device 1 except for the duct section 33 is located indoors, and the center of gravity is on the indoor side. Therefore, even if the opening / closing member 3 is accidentally fully opened during the installation work of the ventilation device 1, the ventilation device 1 will not fall outside.

[0036] Then, the portable power source is connected to the connection unit 25 of the installed ventilation device 1. That is, the portable power source can be easily connected via the connection unit 25. In this case, by using a mobile battery as the portable power source, when used in a vehicle, it is not necessary to use the vehicle battery, and it can be used even when the vehicle engine is stopped, and unlike the case of using a solar power source or the like, it can be used day or night.

[0037] The user operates each switch 23 to drive each fan 20 independently. Therefore, when using multiple fans 20 to only intake or exhaust, a large amount of air can be obtained. In addition, in this embodiment, since multiple air passage chambers 7 in which fans 20 are arranged are independent of each other, one fan 20 can be driven for intake and the other fan 20 for exhaust, and intake and exhaust can be performed simultaneously, and efficient ventilation can be achieved without opening windows other than the window 2 for exhaust or intake. Furthermore, since intake and exhaust are performed from the upper opening 28, the air passage chambers 7 can be easily formed independently inside the main body 5 by arranging the fans 20 on the left and right.

[0038] In addition, since the air passage chamber 7 has a large space due to the bulging shape of the front surface 12 of the housing 6 of the main body 5, a larger air volume can be obtained.

[0039] Each switch 23 is positioned on the main body 5 between the fans 20, 20, making effective use of the space between the fans 20, 20, and because the fan 20 and the switch 23 are positioned adjacent to each other, the fan 20 can be intuitively operated via the switch 23, resulting in good operability.

[0040] Moreover, each switch 23 is attached to the lower front portion 12b and inclined downward, so that it is easy to access from the lower portion inside the room.

[0041] Furthermore, since the fan 20 is arranged in the main body 5 with a downward inclination and is inclined relative to the opening / closing member 3 when installed, the intake or exhaust side of the fan 20 is directed directly toward the opening 28 above the opening / closing member 3, so that the intake and exhaust air passes through the air passage chamber 7 in a straight line without bending significantly, resulting in efficient intake and exhaust and enabling the exhaust air from the fan 20 to be directed toward users in the room.

[0042] At this time, since the opening 28 for intake and exhaust is covered with the filter 29, insects and the like from outside are unlikely to enter the air passage chamber 7 through the opening 28.

[0043] Moreover, since the fan 20 can be driven with low power, it can be driven continuously for a long time even with a portable power source such as a mobile battery. Also, by driving the fan 20 with low power, it is possible to configure the ventilator 1 with excellent quietness.

[0044] Furthermore, since it is assumed that there is no rain cover provided on the outside of the window frame 17 depending on the vehicle model, etc., it is preferable to make it possible to attach a rain cover to the upper part of the opening 28, that is, the rear end part of the top surface 10 which is the upper part of the duct part 33. In this case, it is possible to more reliably prevent rain from entering through the opening 28. Therefore, the conditions under which the ventilation device 1 can be used are less affected by the weather.

[0045] In this way, the above-mentioned ventilation device 1 can be suitably used as a ventilation device 1 for ventilating the inside and outside of a vehicle, for example, ventilation inside the vehicle when sleeping in the vehicle, ventilation inside a truck or commercial vehicle while waiting, auxiliary ventilation in a kitchen car, etc., and as an infection prevention measure against diseases such as the new coronavirus inside a vehicle with the engine stopped.

[0046] In the first embodiment, a filter for preventing diseases such as hay fever may be applied. For example, by disposing this filter in the duct portion 33, the space of the air passage chamber 7 in the duct portion 33 can be effectively utilized.

[0047] In addition, the housing 6 of the main body 5 may be equipped with an attachment mounting portion 40 such as a predetermined military rail interface, as shown in FIG. 7. For example, the space above and / or below the switch 23 between the fans 20 in the lower front portion 12b of the front surface 12 of the housing 6 may be used as an installation space for the attachment mounting portion 40. By being able to attach and detach various attachments 41 such as interior lights as necessary via the attachment mounting portion, convenience is further improved. Similarly, if spare screw holes that can be customized by the user are provided on the front surface 12 of the housing 6, various attachments 41 can be attached, and convenience is further improved. Moreover, since the lower front portion 12b is inclined downward, access to the attachment 41 is easy by installing the attachment 41 on the lower front portion 12b.

[0048] Furthermore, the ventilation device 1 may include a grip portion 45 instead of the handle 35, as in the second embodiment shown in FIG. 8. At least a part of the grip portion 45 is located on the upper part of the main body 5. In this embodiment, the grip portion 45 is a band attached across both side surfaces 14, 14 of the housing 6 of the main body 5, and both ends are held by mounting portions 46, 46 formed on both side surfaces 14, 14, and are in a range from both sides to the upper part of the main body 5. The grip portion 45 and the mounting portion 46 are located toward the front of the housing 6, that is, in a position away from the duct portion 33 forward, and are in a position that does not interfere with the pressure contact of the lower part of the window frame 17 against the upper surface 10 of the housing 6. The grip portion 45 is preferably made of, for example, cloth, but is not limited thereto, and may be made of any material having the strength to grip the ventilation device 1, such as synthetic resin or leather. In this way, by positioning at least a part of the grip portion 45 on the upper part of the main body portion 5, it becomes possible to use the grip portion 45 to easily carry the ventilation device 1 with one hand or attach it to the mounting portion, thereby improving workability and convenience.

[0049] It is important that at least a portion of the gripping portion 45 is located on the upper part of the housing 6 of the main body 5 so that the ventilation device 1 can be held in one hand. The shape of the gripping portion 45 is not limited to a band, and it may be, for example, a handle similar to the handle 35.

[0050] Next, a third embodiment will be described with reference to Figures 9 to 12. Note that the same components as those in the respective embodiments are given the same reference numerals and the description thereof will be omitted.

[0051] The ventilation device 1 of the present embodiment is smaller and thinner than the ventilation device 1 of each of the above-described embodiments.

[0052] In the ventilator 1, the front upper portion 12a of the front surface 12 of the housing 6 extends in the vertical and horizontal directions and is parallel or approximately parallel to the rear surface 13, and the front lower portion 12b is inclined downward and rearward from the lower end of the front upper portion 12a toward the front portion near the vertical middle portion of the rear surface 13. Therefore, the front surface 12 of the housing 6 basically has no portion that protrudes forward, and the front portion of the housing 6 has a flat shape.

[0053] The fan 20 is attached to the upper front surface 12a. That is, in this embodiment, the upper front surface 12a is the mounting surface of the fan 20. The fan 20 attached to the upper front surface 12a is disposed on the main body 5 facing forward without being substantially inclined vertically. The fan 20 is fitted into and covers the mounting opening 21 located in the upper front surface 12a. In this embodiment, the mounting openings 21 are formed in pairs on the left and right, and in the illustrated example, two pairs are formed.

[0054] The partition 15 divides at least the air passage chamber 7 on the intake side and the air passage chamber 7 on the exhaust side. In this embodiment, the air passage chamber 7 is divided into two on the intake side and two on the exhaust side, and one fan 20 is arranged in each air passage chamber 7. In this embodiment, two intake fans 20 and two exhaust fans 20 are arranged. For example, the two on the left side are intake fans 20 and the two on the right side are exhaust fans 20, but which two of these four fans 20 are intake fans and which two of the remaining fans 20 are exhaust fans may be arbitrarily determined. Also, as long as the air passage chamber 7 for intake and the air passage chamber 7 for exhaust are divided, the partition 15 between the two air passage chambers 7, 7 for intake and between the two air passage chambers 7, 7 for exhaust is not essential.

[0055] The fan 20 used is smaller than that in each of the embodiments. The fan 20 can be driven by, for example, 5V DC, and a high-output fan is preferably used.

[0056] 9 and 11, each air passage chamber 7 is formed in a straight line from the mounting opening 21 to the opening 28. In this embodiment, each air passage chamber 7 is formed in a straight line along the thickness direction of the housing 6, i.e., the front-to-rear direction, and is not basically inclined in the up-down or left-to-right directions. Therefore, the mounting opening 21, i.e., the fans 20, and the opening 28 are in a positional relationship that connects them at the shortest distance, and the fans 20 face the openings 28 in the front-to-rear direction. At least the rotation center of the fans 20 is located within the forward projection range of the opening 28.

[0057] In this embodiment, the fans 20 can be switched between three modes by the switch 23: stopped (OFF), strong wind drive (QUAD) in which four fans 20 are driven simultaneously, and weak wind drive (TWIN) in which two fans 20 are driven simultaneously. That is, in this embodiment, the intake fan 20 and the exhaust fan 20 can be operated simultaneously by one switch 23. In the weak wind drive mode, for example, one of the fans 20 on the intake side, for example the leftmost fan 20, and one of the fans 20 on the exhaust side, for example the rightmost fan 20, are driven.

[0058] Switch 23 is disposed in front lower portion 12b and inclined downward. Due to the inclination of front lower portion 12b, a space in which switch 23 and a circuit board are disposed is defined below air passage chamber 7. As shown in Fig. 10(a), connection portion 25 is led out from underside 11 continuing to the lower portion of front lower portion 12b.

[0059] Furthermore, the ventilation device 1 of the present embodiment has a pocket portion 48 below the fan 20. The pocket portion 48 is formed so as to be capable of accommodating an external power source that serves as a drive source for the ventilation device 1, other small items, and other articles.

[0060] The pocket portion 48 may be configured as desired, but for example, as shown in Figures 9 and 10(a), it extends downward below the bottom surface 11 and is made up of the lower part of the rear surface 13 and the lower parts of both side surfaces 14, 14, a support surface 49 that connects them from left to right, and a holding surface 50 that rises from the support surface 49, and is formed with a U-shaped cross section that opens upward at a position below the switch 23 and extends in the left-right direction.

[0061] The holding surface 50 rises upward from the front end of the support surface 49. The holding surface 50 is flush or approximately flush with the front upper portion 12a of the front surface 12, and is located in a position that does not protrude forward from the front surface 12. The upper end of the holding surface 50 is located below and spaced apart from the lower surface 11. The holding surface 50 is formed with a notch 51 for making it easier to remove an article from the pocket portion 48. The notch 51 is formed, for example, at the upper end of the holding surface 50, in the center position in the left-right direction.

[0062] When installing the ventilation device 1, first, the opening / closing member 3 is pulled down to open the top of the window 2 slightly, and the ventilation device 1 held by the gripping part 45 is hooked onto the top of the opening / closing member 3 while the engaging part 8 extends from the inside to the outside of the room through the open gap, and the ventilation device 1 is hung from the top of the opening / closing member 3 as shown in Figures 9, 10(a), and 10(b).

[0063] In this way, according to this embodiment, the ventilation device 1 can be easily installed simply by hooking the engaging portion 8 onto the upper part of the mounting portion (opening / closing member 3) and engaging and holding it thereon, and similar effects to those of the other embodiments can be achieved.

[0064] Furthermore, the housing 6 of the main body 5 is made thin and the upper front surface 12a of the front surface 12 opposite the opening / closing member 3 is parallel or approximately parallel to the opening / closing member 3, so that the ventilation device 1 does not take up much space in the room, and for example, when a sliding door located in front of the opening / closing member 3 is slid backward to open it, the front part of the housing 6 is less likely to interfere with the sliding door.

[0065] Then, a portable power source is connected to the connection part 25 of the installed ventilation device 1, and the switch 23 is operated to drive the fan 20. By providing two fans 20 on each of the intake and exhaust sides, a larger air volume can be secured. In addition, by making the air passage chamber 7 linear and positioning the fan 20 directly opposite the opening 28, a larger air volume can be secured and the efficiency of intake and exhaust can be further improved.

[0066] As for switch 23, by utilizing the inclination of lower front surface 12b, it is possible to secure a space for installation, and since it is attached to lower front surface 12b and inclined downward, it is easy to access from the lower part of the room.

[0067] In addition, by providing a pocket portion 48 using the space below the fan 20, an external power supply, for example, can be stored and held in the pocket portion 48, and the ventilation device 1 can be used compactly including the external power supply.

[0068] Basically, the gap between the ventilation device 1 and the window frame 17 is closed by a closing member to prevent insects from entering the room, but as shown in Fig. 12, by using a breathable covering member 54 such as a window net for a vehicle to cover the window frame 17 together with the ventilation device 1, it is possible to eliminate the need for a closing member for closing the gap between the ventilation device 1 and the window frame 17 without impeding intake and exhaust. Therefore, the ventilation device 1 can be applied to a mounting portion that generates a gap that is difficult to close with a closing member, such as a window frame 17 whose shape does not fit the upper surface 10 of the housing 6 of the main body 5 of the ventilation device 1, for example, a window frame of a front door of a vehicle, and the like, thereby improving convenience.

[0069] Next, a fourth embodiment will be described with reference to Figures 13 and 14. Note that the same components as those in the respective embodiments are given the same reference numerals and the description thereof will be omitted.

[0070] In the ventilation device 1 of this embodiment, a guide part that guides a sliding member that slides horizontally is used as the mounting part 56. When this ventilation device 1 is applied to an automobile or the like, the mounting part 56 is exemplified by upper and lower rail parts that guide the window glass that is the opening and closing member (sliding member) 3 that opens and closes the window 2 horizontally, which is used in a station wagon, van, or the like.

[0071] The locking portions 8 that are locked to the mounting portion 56 are respectively provided protruding from the top and bottom of the housing 6. At least one of these locking portions 8 is movable in the locking direction. In this embodiment, the locking portion 8 located at the top of the housing 6 of the main body 5 is formed separately from the housing 6 and is movable in the vertical direction. The upper locking portion 8 is formed to protrude above the top surface 10 of the housing 6 and extend in the left-right direction. The upper locking portion 8 is guided to the top of the housing 6 via a guide portion 60 so as to be movable in the vertical direction. Preferably, the guide portion 60 is connected to the upper locking portion 8 and is movable relative to the housing 6 together with the guide portion 60, and the lower end portion is inserted into the inside of the housing 6 and is prevented from coming off from the housing 6 by a stopper portion 61.

[0072] The lower engaging portion 8 is formed integrally with the housing 6 by the lower portion of the rear surface 13 of the housing 6 extending downward below the support surface 49 of the pocket portion 48, and extends in the left-right direction.

[0073] It is preferable that the movable locking portion 8 be able to hold a position protruding in the locking direction. In this embodiment, for example, the upper locking portion 8 is urged upward in the locking direction by urging means 63, which is a holding means such as a spring. However, the movable locking portion 8 may be configured to hold a position protruding in the locking direction by being fixed in a vertical position with respect to the housing 6 of the main body 5 via a fixing member, which is a holding means such as a screw.

[0074] In addition, the housing 6 of this embodiment is formed, for example, vertically long, and the fans 20 are arranged in a line on the front surface 12 in the vertical direction. In this embodiment, the air passage chambers 7 are divided into two on the intake side and two on the exhaust side, and one fan 20 is arranged for each air passage chamber 7. That is, two intake fans 20 and two exhaust fans 20 are arranged. For example, the upper two are exhaust fans 20 and the lower two are intake fans 20, but which two of these four fans 20 are intake fans and which two of the remaining two fans 20 are exhaust fans may be arbitrarily determined. Also, as long as the intake air passage chamber 7 and the exhaust air passage chamber 7 are divided, the two intake air passage chambers 7, 7 and the two exhaust air passage chambers 7, 7 do not need to be partitioned. Each air passage chamber 7 is formed in a straight line from the mounting opening 21 to the opening 28, as in the third embodiment.

[0075] In this embodiment, the fans 20 are driven by a switch 23 in the same manner as in the third embodiment, for example. The switch 23 is disposed on the front surface 12 of the housing 6 of the main body 5, between the upper fan 20 and the lower fan 20.

[0076] Moreover, opening 28 is located between the upper and lower locking portions 8, 8 in the up-down direction. That is, opening 28 is located on the opposite side of the locking direction when viewed from locking portions 8, 8. Opening 28 is covered at its top and both sides with a hood portion (rain guard) 64, and is configured so that intake air flows upward and exhaust air flows downward along the slope of hood portion 64.

[0077] When installing the ventilation device 1, as shown in Figs. 14(a) and 14(b), the opening / closing member 3 is slid to slightly open the side of the window 2, and the lower locking portion 8 is inserted into the exposed lower mounting portion 56 while the main body 5 is pushed into the window frame 17. Then, the upper locking portion 8 is pressed downward according to the shape of the window frame 17, compressing the biasing means 63, and when the upper locking portion 8 reaches the upper mounting portion 56, the biasing means 63 is restored and deformed at that position, so that the upper locking portion 8 is locked to the upper mounting portion 56 as shown in the figure. Therefore, the upper locking portion 8 is pushed upward by the biasing force of the biasing means 63, and the ventilation device 1 is held to the window frame 17 by the upper and lower locking portions 8. The opened opening / closing member 3 is preferably brought into close contact with one side surface 14 of the housing 6.

[0078] In this way, according to this embodiment, the ventilation device 1 can be easily installed basically by simply pushing the engaging portion 8 into the mounting portion 56 so that it engages with it, and similar effects to those of the other embodiments can be achieved.

[0079] When the ventilation device 1 of this embodiment is installed, almost the entire rear surface 13 is exposed to the outside of the room through the window 2. Therefore, by covering the top and both sides of the opening 28 with the hood part 64, it is possible to prevent rainwater and the like from entering through the opening 28 regardless of the presence or absence of a rain guard on the outside of the room.

[0080] The exhaust air from the driven fans 20 is discharged downward through the openings 28 along the hood portion 64. At this time, for example, by using the upper fan 20 for exhaust, it becomes possible to efficiently discharge the warm air at the top of the room to the outside.

[0081] In addition, the handle 35 of the first embodiment and the grip portion 45 of the second and third embodiments may be applied to the fourth embodiment.

[0082] In each embodiment, the attachment portion to which the ventilation device 1 is attached is not limited to the opening and closing member 3 of the window 2, but may be any attachment portion such as a partition between multiple rooms.

[0083] Furthermore, the fan 20 may have a higher drive voltage (rated voltage), such as a DC 12V drive. In this case, the external power source may be a cigarette lighter socket mounted on a vehicle or a portable power source for outdoor use, and may be detachable from the external power source via a connection part 25 derived from the ventilator 1. By using the fan 20 with a high drive voltage, a drive sound (air supply sound) of the fan 20 is generated during operation, and the drive sound of the fan 20 makes it easier for the user to intuitively know whether the ventilator 1 is operating or not.

[0084] Also, a power supply adjustment means such as a variable resistor may be used so that the user can arbitrarily vary the rotation speed of fan 20. By locating the power supply adjustment means in the vicinity of switch 23, for example below or to the side of switch 23, the operation of fan 20 can be turned on and off and the rotation speed can be adjusted efficiently. [Explanation of symbols]

[0085] 1. Ventilation system 2. Windows 3. Opening and closing member that is the mounting part 5 Main body 7 Air channel room 8 Locking part 20 Fans 25 Connection 28 Opening 29 Filters 45 Gripping part 56 Mounting part

Claims

1. a main body having a locking portion that is locked to the mounting portion and a plurality of air passage chambers each having an opening that opens above or below the locking portion; a fan disposed in the main body and positioned in each of the air passage chambers; One of the air passage chambers is an intake chamber and the other is an exhaust chamber, and the air passage chambers are formed in the main body independently of each other, The fan includes one intake fan disposed in the intake chamber and another exhaust fan disposed in the exhaust chamber. A ventilation device characterized by:

2. A gripping portion at least a part of which is located on the upper part of the main body portion.

2. The ventilation system according to claim 1.

3. The fan is disposed in a position facing the opening.

3. The ventilation system according to claim 1 or 2.

4. A filter is provided to cover the opening.

3. The ventilation system according to claim 1 or 2.

5. Equipped with a connection part for connecting a separate portable power source 3. The ventilation system according to claim 1 or 2.

6. The mounting portion is an opening / closing member that opens and closes the window in the vertical direction.

3. The ventilation system according to claim 1 or 2.

7. This is a vehicle ventilation device that ventilates the inside and outside of the vehicle.

3. The ventilation system according to claim 1 or 2.

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