JP6596604B1 - Air conditioner fan unit - Google Patents

Abstract

The present invention relates to a highly efficient air-conditioning garment that uses a centrifugal fan such as a sirocco fan capable of increasing static pressure to circulate and discharge air in clothes even when a dustproof filter is attached. It is an object of the present invention to provide fan unit technology that can be used. A fan unit used in an air-conditioning suit, comprising a fan, a motor, a filter, and a casing, wherein the fan uses a sirocco fan or a plate fan, and the casing is axially directed toward the body. A configuration is employed in which a scroll casing that inhales and discharges in a circumferential direction along the body is used, and a cover is provided for securing a suction passage region with respect to the filter mounting position. [Selection] Figure 1

Description

  The present invention relates to a fan unit for air-conditioning clothing, and more specifically, using a centrifugal fan such as a sirocco fan that can increase static pressure, even if a dustproof filter is attached, air is taken into the clothes and discharged. The present invention relates to a fan unit technology that can be used as an air-conditioning garment with high blowing efficiency.

  The number of transporters due to heat stroke in July 2018 was 54,240, and the number of deaths was 133. The number of emergency transporters and deaths due to heatstroke in a month was the first since the start of the survey in 2008. Heat stroke can be said to be a social problem. In particular, it is necessary to take countermeasures not only for work in hot weather but also for occupations that must work at high temperatures in factories and indoors. In view of such a problem, there is an air-conditioning garment in which a small fan is attached and the outside air is taken into the clothes by its blowing ability to obtain an air-conditioning effect.

However, most existing air-conditioning suits use propeller fans. Propeller fans have a large air flow rate but a low static pressure, so the pressure in the air-conditioning garment can cause extreme pressure drop, and the air is sent in the axial direction. Can be said to have a problem with its configuration. On the other hand, in the case of a propeller fan with low static pressure, if a filter is provided, the amount of air flow will be significantly reduced. Therefore, external air may be sent directly to the gap between the clothes and the body without providing a filter, or filtration. At present, it is equipped with a low-degree coarse filter. However, in this case, it can be said that there is a problem with respect to the influence of dust and the like on the human body at the painting site and the dismantling site.

  Therefore, various technical proposals have been conventionally made. For example, the name of the invention is “air-conditioning clothing”, and “providing air-conditioning clothing that can circulate air well and can easily attach / detach the fan device and the outside air intake spacer to / from the air-conditioning clothing body. Specifically, “the air-conditioning garment includes an air-conditioning garment body and a fan unit. The fan unit circulates air with a first fabric portion that can circulate air. The mesh bag portion in which the second fabric portion is difficult or impossible to oppose, the fan portion attached so as to close the opening formed in the mesh bag portion, and the fan portion and the first fabric portion are separated from each other It is provided with a spacer portion for causing the air-conditioning clothing to be detachable via a slide fastener (see Patent Document 1). However, the technique described in Patent Document 1 uses a propeller fan, and a high static pressure cannot be obtained, or it is necessary to rotate at a considerably high speed. For this reason, problems that need to be solved, such as power consumption and noise, remain.

  Further, the title of the invention is “blower device”, and “provides a blower device capable of changing the direction of air sent to the inside of the clothes.” Specifically, “fans for sucking air and fans” It has a fan main body to be accommodated, an exhaust section that is attached to the fan main body and discharges air sucked by the fan to the inside of the clothes, and a wind direction changing mechanism capable of changing the discharge direction of the air to the fan main body. There is also a thing (refer patent document 2). However, as described in the specification, such a technique uses an axial fan, and the direction of the exhausted air is immediately changed, so that it can be said that the fluid loss is large.

  In addition, the name of the invention is “blower for human body”, and “the air can be blown to a specific part of the human body, the blower can be stably held, and further, the air guide pipe and each blower are removed from the clothes. A human body blower device that can be easily separated is provided. Specifically, “it is formed so as to continuously extend from one side of the human body to the other side through the back of the neck. And a pair of blowers attached to both ends of the wind guide pipe, and air is discharged from each discharge hole of the wind guide pipe toward a predetermined part of the human body. In this case, each fan can be supported so as to be suspended from the neck of the human body by a wind guide pipe, and the wind guide pipe, each fan, and each battery can be supported by clothing. Since detachably attached to the inner side, it is possible to easily separate them from the clothes. "While others called (see Patent Document 3). However, since the technique described in Patent Document 3 concentrates and blows air from the inside of the air guide pipe to a predetermined part of the human body, the pressure of the air discharged to the outside of the air guide pipe is reduced, and the inside of the substantially sealed clothes It can be said that the pressure loss is large, and even if a sirocco fan is used, a considerable number of revolutions is required. Further, if a dustproof filter or the like is further provided, it is considered that the resistance to air blowing increases.

JP 2017-101354 A JP2018-105226 JP2018-135614

  In view of the above problems, the present invention uses a centrifugal fan (especially a sirocco fan) that has at least a large static pressure so that even if a filter is provided, air is taken into the clothes from the outside, and the sweat is evaporated to evaporate. An object of the present invention is to provide a fan unit for air-conditioning clothing that can cool and comfortably engage in work even under high temperatures such as outdoor work in summer, while exhibiting the function of cooling the body with heat and venting the air outside the clothing.

  The present invention is a fan unit for use in air-conditioning clothing, and includes a fan, a motor, a filter, and a casing. The fan uses a sirocco fan, a plate fan, or a turbo fan. A configuration is employed in which a scroll casing that inhales from the axial direction toward the center and discharges in a circumferential direction along the body is used, and a cover is provided for securing a suction passage region with respect to the attachment position of the filter.

  Further, the present invention has a configuration in which the casing includes a locking portion for mounting on a garment or a belt, a clothes scissor portion for holding the garment, and a garment misalignment prevention suction port for preventing garment misalignment by suction force. Can also be adopted.

  In addition, the present invention may employ a configuration in which the motor is disposed on the body side of the fan and the filter is disposed in a circular shape.

  In addition, the present invention may employ a configuration in which the fan is disposed on the body side of the motor and the filter is disposed in an annular shape.

  The present invention can also employ a configuration in which the fan is a sirocco fan.

  Further, the present invention may employ a configuration in which the fan is a plate fan.

  Further, the present invention may employ a configuration in which the fan is a turbo fan.

  Further, the present invention may employ a configuration in which the fan blade is a twist type sirocco fan formed in a spiral shape.

  According to the fan unit for air-conditioning clothing according to the present invention, since a centrifugal (sirocco, plate, or turbo) fan is used, a static pressure sufficient to ventilate air is obtained even if a dustproof filter is provided. The excellent effect that it becomes possible is exhibited.

  In addition, according to the fan unit for air-conditioning clothing according to the present invention, the cover for securing the suction passage area with respect to the filter mounting position is provided, so that the clothes cannot be inhaled in close contact with the fan. Demonstrate the excellent effect of not producing.

  In addition, the air-conditioning clothing fan unit according to the present invention uses a centrifugal (sirocco, plate, or turbo) fan that can exhibit a high static pressure at a low speed if it is equipped with a filter. To demonstrate.

  Further, in the air conditioning fan unit according to the present invention, when the motor is arranged on the body side of the fan and the filter is arranged in a circular shape, a large introduction port and a large exhaust port can be obtained. Demonstrate the excellent effect of being able to.

  In addition, in the air-conditioning clothing fan unit according to the present invention, when a configuration in which the fan is disposed on the body side of the motor and the filter is disposed in an annular shape, the overall shape can be further reduced, and inhalation Since the motor is arranged in the path, the motor cooling effect is excellent and the energy conversion loss in the motor can be reduced, so that the time that can be driven by a portable small battery can be extended.

In addition, in the air-conditioning clothing fan unit according to the present invention, when it is a single belt-attached type that can be independently attached to clothing or a belt, the clothing can be sandwiched between the clothing scissors, and the clothing slip prevention suction port It exhibits an excellent effect that clothes can be sucked by a suction force from a fan to prevent displacement.

It is basic composition explanatory drawing explaining the basic composition of the fan unit for air-conditioning clothes concerning the present invention. It is an Example explanatory drawing explaining the Example at the time of using a sirocco fan for the fan which concerns on this invention. It is an Example explanatory drawing explaining the Example at the time of using a plate fan for the fan which concerns on this invention. It is Example explanatory drawing explaining the Example at the time of using a turbo fan for the fan which concerns on this invention. It is use condition description explaining the use condition of the fan unit for air-conditioning clothes which concerns on this invention. It is fan structure explanatory drawing in the case of employ | adopting a twist type sirocco fan as a fan which concerns on this invention.

  The present invention includes a fan, a motor, a filter, and a casing. The sirocco fan, the plate fan, or the turbo fan is used as the fan, and the casing sucks from an axial direction toward the body and is applied in a direction along the body. The greatest feature is that a scroll casing that presses and discharges is used, and a cover for securing a suction passage region is provided at the filter mounting position. Hereinafter, description will be given based on the drawings. However, the present invention is not limited to the shape and configuration described in the drawings, and can be changed within a range in which an effect exhibited as a creation of the technical idea of the present invention can be obtained.

  FIG. 1 is a basic configuration explanatory view for explaining the basic configuration of an air-conditioning clothing fan unit according to the present invention. FIG. 1 (c) is a front view, FIG. 1 (d) is a right side view, and FIG. FIG. 1 (b) shows a top view in FIG. 1 (a) and a bottom view in FIG. 1 (e). FIG. 1F shows a cross-sectional view along A-A ′. FIG. 1 shows an example of a single belt attaching type that can be independently attached to clothes or a belt, and the arrangement of the motor 20, the fan 10, or the filter 30 is limited to this. Instead, a single belt attaching type in which the motor 20 and the fan 10 are arranged as shown in FIGS. 2 to 4 is also effective.

  The air-conditioning clothing fan unit 1 is a fan unit used for air-conditioning clothing, and includes a fan 10, a motor 20, a filter 30, and a casing 40. The fan 10 includes a sirocco fan 11, a plate fan 12, or Using the turbo fan 14, the casing 40 uses a scroll casing 41 that sucks in an axial direction toward the body and discharges it in a circumferential direction along the body, and secures a suction passage region 42 with respect to the attachment position of the filter 30. In this configuration, a cover 43 is provided.

  The fan 10 is a centrifugal fan such as a sirocco fan 11, a plate fan 12, or a turbo fan 14. The fan 10 includes a twist type sirocco fan 15 in which a plurality of blades 13 are inclined in a twisted manner with respect to the axial direction.

  The sirocco fan 11 is a type of centrifugal blower, also called a multi-blade blower, and is a blower having a large number of blades 13 that are forward-facing, have a low radial height, and have a small width. Although it is not suitable for high-speed rotation due to its structure, there is little change in wind pressure even if the amount of blown air changes, and it is possible to achieve the smallest size among centrifugal blowers for the same amount of air and static pressure.

  The plate fan 12 is similar to the sirocco fan 11, but the shape of the blade 13 is different, it is mounted rearward, the number is small even when compared with the number, the thickness can be reduced, and cleaning etc. are easy A fan 10. However, since the static pressure is inferior to that of the sirocco fan 11, it is necessary to increase the rotational speed.

  The blade 13 is an elongated plate-like blade member arranged in a cylindrical circumferential direction, and is formed with a flat plate or a curvature. The curvature is bent forward in the sirocco fan 11, and the number of blades 13 is relatively large. On the other hand, the plate fan 12 is bent backward and the number of blades 13 is relatively small.

  The turbo fan 14 is a fan 10 having a configuration in which circular and annular plates are arranged on both sides of a blade 13, and obtains an effect that static pressure and air volume increase compared to a normal plate fan 12. Can do.

  As shown in FIG. 6, the twist type sirocco fan 15 is a twist type sirocco fan in which a large number of blades 13 arranged on the outer edge of a substantially cylindrical shape are provided with an inclination angle S so as to be twisted with respect to the axial direction. The sirocco fan 15 is preferably integrally molded by injection molding. Compared with the normal sirocco fan 11, the effect that static pressure and an air volume increase can be acquired.

  The motor 20 is a prime mover for driving the fan 10 and may be direct current or alternating current. However, in consideration of use with a portable battery, it is desirable that the motor 20 be thin and have a direct current.

  The motor mount 21 is a base part for arranging the motor 20 provided in the casing 40.

  The filter 30 is provided for the purpose of reducing dust intrusion into the air-conditioning clothing and inhalation risk. In conventional propeller fans, when a high-density filter is used, the air inhalation resistance increases, so a cover that prevents large foreign objects and fingertips from entering can be attached, or a relatively coarse filter member (material) However, a polypropylene non-woven fabric is used. Therefore, the filter 30 according to the present invention uses at least a medium performance filter (a ventilation air filter unit / a ventilation dust collector performance test method) stipulated in Japanese Industrial Standards, preferably the National Institute of Occupational Safety and Health. It is desirable to have a filtering function of N95 of the standard set by (NIOSH) or DS2 of the standard set by the Japanese Ministry of Health, Labor and Welfare. This standard is established as a dust-proof mask that adheres closely to the face, but the location where dust of substances with a specified size, for example, 0.1 mg / cubic meter or less, of metal fume is prevented from being sucked and controlled. This is for the purpose of avoiding the risk of taking this into clothes and further sucking it. The performance of N95 or DS2 is almost the same, but it may be a standard DS1, DL1, RS1, or RL1 that has a particle collection efficiency of general dust having a larger particle diameter than the standard.

  The casing 40 serves as a base on which the motor 20 and the fan 10 are arranged, and forms a flow path for gas blown by the fan 10 driven by the motor 20. Then, the centrifugal force of the blade 13 disposed in the cylindrical shape of the fan 10 such as the sirocco fan 11 creates a swirling flow in a direction substantially perpendicular to the rotation axis, and the generated swirling flow is rectified in one direction by the scroll casing 41. While increasing the pressure.

  The scroll casing 41 is a casing 40 that increases the pressure while the flow passage area changes in the circumferential direction from the axis of the fan 10 and rectifies. The air flow discharged from the shaft core of the motor 20 by the blade 13 in the centrifugal direction is collected and discharged from one direction. In this method, the centrifugal force can be effectively converted into pressure, and the pressure (static pressure) at which air is sent out can be increased. However, the amount of air passing through the fan 10 is limited, and a large amount of air cannot be obtained.

  The suction passage region 42 is a wall portion (cover 43) provided from the axial direction of the motor 20 toward the far side in order to secure a predetermined guide region at the suction port 47 sucked by the fan 10. In particular, when the air-conditioning clothing fan unit 1 according to the present invention is mounted on the body, if the suction port 47 is covered with the clothing F, air cannot be sucked, so a predetermined distance from the entrance of the fan 10 is placed. This is to secure a passage area for air to enter and to guide the direction of intake such as intake from below.

  The cover 43 covers the fan 10 or the filter 30 so that a finger or the like does not touch it, and is arranged at a predetermined distance from the fan 10 so as not to increase the intake resistance. Used to secure.

  The locking portion 44 is a member that is hooked and locked on a user's belt or trousers. Moreover, although illustrated in the aspect which latches from one side direction in FIG. 5, it is not limited to the aspect, For example, the cyclic | annular type which allows a belt to pass may be sufficient.

  As shown in FIG. 5, the clothes scissors 45 is a member for folding back and pinching the ends of the clothes F so that the clothes F are not displaced. In addition, although shown in the drawing as a folded configuration, it may be configured in the opposite direction, and it is also effective to use a T-shape so that either configuration may be used.

  The clothes misalignment prevention suction port 46 sucks the clothes F by the suction force from the fan 10 so as to prevent the clothes from being displaced after the fan unit 1 for air-conditioning clothes according to the present invention is mounted. It is a hole part.

  The intake port 47 is an opening for taking in air from the outside. In the case of the single belt attachment type, it is provided downward in the drawing so that it can be placed in the gap of the clothes. In the case of the type provided directly on the clothes, a large number of air inlets are provided in the cover 43 so that outside air can be easily taken in. 47 is provided.

  The discharge port 48 is an opening for discharging the air pressurized by the fan 10 and the scroll casing 41.

  The introduction port 49 is an opening that guides the air flowing from the intake port 47 to the fan 10, and is also a part where the filter 30 is provided.

  Although not specifically shown in the drawing, the power supply device 50 is a device that supplies power for driving the motor 20, and is a nickel-cadmium battery, nickel-based rechargeable battery, lithium-based rechargeable battery, cadmium-based rechargeable battery, or lithium ion. Any battery that can be charged may be used. Preferably, a lithium ion battery is desirable because it has a high capacity and has a high power holding function such as voltage even when repeatedly charged. The power supply device 50 may be installed in the casing 40, or alternatively. It may be configured to be housed in a case, put in a pocket or the like, and connected by a power cable. In consideration of battery consumption, it is also effective to include a power supply control unit that performs intermittent control for intermittently starting and stopping the motor 20 at predetermined intervals and for controlling the rotation speed.

  2 to 4 show a case where any one of the sirocco fan 11, the plate fan 12, and the turbo fan 14 is selected as the fan 10 according to the present invention, and either the fan 10 or the motor 20 is disposed on the body side. It is the figure which enabled it to compare the difference of a structure. Table 1 below shows measured values of static pressure and air volume for each type of fan 10 and for each rotation speed.

  Table 1 shows a comparison of air volume and static pressure when the fan diameter is common at 80 mm and when the thickness is common around 15 mm. If the diameter is 80 mm, the sirocco It can be seen that the fan 11 exhibits the highest static pressure in the low rotation region, and the plate fan 12 and the turbo fan 14 exhibit high static pressure in the high rotation region. In addition, if the thickness is about 15 mm, the static pressure of the sirocco fan 11 exceeds the entire area even when compared to the propeller fan. Therefore, it can be said that the sirocco fan 11 which exhibits a high static pressure at low rotation is most suitable as the fan 10 of the fan unit 1 for air-conditioning clothing according to the present invention.

  FIG. 2 shows an embodiment in which the sirocco fan 11 is used for the fan 10 according to the present invention, and FIG. 2A shows the sirocco fan 11 and the scroll casing 41 as seen from the axial direction of the motor 20. 2 (b) shows a cross section of the sirocco fan 11, and FIG. 2 (c) shows an embodiment in which the motor 20 is arranged on the body side of the sirocco fan 11 and the filter 30 is arranged in a circular shape. FIG. 2D shows a cross section of the sirocco fan 11 and the scroll casing 41 when viewed in parallel with the axial direction of the motor 20, and FIG. 2D shows that the sirocco fan 11 is disposed closer to the body than the motor 20, and the filter 30 The cross section of the sirocco fan 11 and the scroll casing 41 at the time of seeing the Example arrange | positioned circularly in parallel with the axial direction of the motor 20 is shown.

  In the embodiment of FIG. 2C, the motor 20 is disposed on the body side of the sirocco fan 11, and the central portion of the fan 10 bypasses the motor 20. The filter 30 can be widely used, and the filter 30 can be arranged in a circle.

  In the embodiment of FIG. 2D, the sirocco fan 11 is arranged on the body side of the motor 20, the motor 20 enters the inside of the sirocco fan 11, and the filter 30 is arranged in an annular shape so as to bypass the motor 20. By doing so, the whole structure can be made thinner.

  FIG. 3 shows an embodiment in which a plate fan 12 is used as the fan 10 according to the present invention. FIG. 3A shows the plate fan 12 and the scroll casing 41 when viewed from the axial direction of the motor 20. 3 (b) shows a cross section of the plate fan 12, and FIG. 3 (c) shows an implementation in which the motor 20 is arranged on the body side of the plate fan 12 and the filter 30 is arranged in a circular shape. An example shows a cross section of the plate fan 12 and the scroll casing 41 when viewed in parallel with the axial direction of the motor 20, and FIG. 3D shows that the plate fan 12 is disposed on the body side of the motor 20, and the filter The cross section of the plate fan 12 and the scroll casing 41 when the Example in which 30 is arrange | positioned cyclically | annularly is seen in parallel with the axial direction of the motor 20 is shown.

  In the embodiment of FIG. 3C, the motor 20 is disposed on the body side of the plate fan 12, and the fan 10 itself can be thinner than the sirocco fan 11, so that the overall thickness is suppressed and the introduction port 49 is widened. The filter 30 can be arranged in a circle.

  In the embodiment of FIG. 3D, the plate fan 12 is arranged on the body side of the motor 20 and the filter 30 is arranged in an annular shape so as to bypass the motor 20, and in FIG. Similar to the embodiment, the overall configuration is the most compact.

FIG. 4 shows an embodiment in which the turbo fan 14 is used for the fan 10 according to the present invention, and FIG. 4A shows the turbo fan 14 and the scroll casing 41 as viewed from the axial direction of the motor 20. ,
FIG. 4C shows a turbo fan when the motor 20 is arranged on the body side of the turbo fan 14 and the filter 30 is arranged in a circular shape when the axial direction of the motor 20 is viewed vertically. 2 and FIG. 2D show an embodiment in which the turbo fan 14 is arranged on the body side of the motor 20 and the filter 30 is arranged in an annular shape. A cross section of the turbo fan 14 and the scroll casing 41 when viewed vertically is shown.

  In the embodiment of FIG. 4C, the motor 20 is disposed on the body side of the turbo fan 14, the overall thickness can be suppressed, the introduction port 49 can be widened, and the filter 30 can be disposed in a circular shape. It is a possible configuration.

  In the embodiment of FIG. 4D, the turbo fan 14 is arranged on the body side of the motor 20 and the filter 30 is arranged in an annular shape so as to bypass the motor 20, and in FIG. Similar to the embodiment, the overall configuration is the most compact.

FIG. 5 is an explanatory diagram of the use state of the air-conditioning clothing fan unit 1 according to the present invention, FIG. 5 (a) shows a single belt attachment type, and FIG. 5 (b) shows a type directly attached to the clothes F. .
FIG. 5A shows a state in which the end of the garment F is folded back and held between the garment scissors 45, and the garment F is sucked by the garment misalignment prevention suction port 46 so as not to be displaced. It also shows that 42 is secured.

  FIG. 6 is an explanatory diagram of a fan configuration when a twist type sirocco fan is employed as the fan according to the present invention. As shown in FIG. 6, the twist type sirocco fan 15 is a fan in which a large number of blades 13 arranged at the outer edge of a substantially cylindrical shape are provided with an inclination angle S so that they are twisted with respect to the axial direction. 10 and is preferably formed integrally by injection molding. The twist type sirocco fan 15 is superior in quietness and has an effect of increasing the static pressure and the air volume as compared with the normal sirocco fan 11 having the same diameter and the same thickness.

  The fan unit 1 for air-conditioning clothing according to the present invention can provide a fan unit 1 for air-conditioning clothing that is low in rotation and high in quietness, and that can obtain a high static pressure. It can be considered that the industrial applicability is high.

DESCRIPTION OF SYMBOLS 1 Air-conditioning clothes fan unit 10 Fan 11 Sirocco fan 12 Plate fan 13 Blade 14 Turbo fan 15 Twist type sirocco fan 20 Motor 21 Motor mount 30 Filter 40 Casing 41 Scroll casing 42 Suction passage area 43 Cover 44 Locking part 45 Clothes scissor part 46 Inlet 47 for preventing misalignment of clothes Inlet 48 Inlet 48 Inlet 49 Inlet 50 Power supply F Clothes S Inclination angle

Claims (5)

A fan unit used for air-conditioning clothing,
Fan (10),
A motor (20);
A filter (30);
A casing (40),
A sirocco fan (11 ) is used for the fan (10),
The casing (40) inhales in the axial direction toward the body, discharges in the circumferential direction along the body, and the flow rate changes from the axial center to the circumferential direction, thereby increasing the pressure while rectifying the scroll casing ( 41) and a cover (43) for securing a suction passage region (42) with respect to the attachment position of the filter (30) is provided,
The motor (20) is installed in the fan (10),
The fan unit (1) for air-conditioning clothing, wherein the disk portion of the fan has an inclined surface that is offset from the attachment position of the blade 13 and guides the air sucked from the axial direction in the circumferential direction . In the casing (40),
A locking portion (44) for attachment to a garment or belt;
Clothes scissors (45) for holding clothes;
An anti-clothing suction port (46) for preventing the clothing from being displaced by a suction force;
The fan unit (1) for air-conditioning clothing according to claim 1, characterized in that The motor (20) is internally provided on the body side of the fan (10), air conditioning dose of claim 1 or claim 2 wherein the filter (30) is characterized in that it is arranged in a circle Fan unit (1). The fan (10) is internally provided on the body side of the motor (20), said conditioning taking fan according to claim 1 or claim 2 filter (30) is characterized in that it is arranged in an annular Unit (1). The fan unit (1 ) according to any one of claims 1 to 4, wherein the blade (13) of the fan (10) is a twist type sirocco fan (15) formed in a spiral shape. ).