JP5762067B2 - Portable air conditioner - Google Patents

Description

  The present invention relates to a portable air conditioner.

  For example, Patent Document 1 discloses a hermetically sealed outer box having high heat insulation properties and an air inlet and an air outlet, and heat conduction provided with a gap in the inner space of the outer box. An inner box with a large cooling fin, dry ice accommodated in the inner box, and a carbon dioxide discharge section for discharging carbon dioxide generated in the inner box to a place harmless to the human body. And an air flow path for flowing air flowing into the inner space of the outer box through the air inlet into the air outlet while contacting the inner box, and air flowing out of the air outlet in a predetermined direction. A cold-air refrigerator provided with an electric motor-driven fan that blows out is disclosed.

  In the cold air refrigerator, since the inner box is made of a copper plate, it is difficult to carry because the manufacturing cost is increased and the weight is increased. In addition, since a plurality of cooling fins extending vertically are provided between the inner box and the outer box, the structure becomes complicated and manufacturing becomes difficult. In the cold air refrigerator, an electric motor having a rotating shaft mounted on a rotating blade is installed on the upper surface of the lid, and the electric motor and an air outflow path that communicates the outside air and the air flow path are covered with a cover. That is, in the cold air refrigerator, since the space surrounded by the cover is not sealed, it is difficult to generate a sufficient negative pressure in the space between the inner box and the outer box. There is a problem with the cooling capacity during operation.

Utility Model Registration No. 3134526

  Therefore, the present invention has been made in view of the above circumstances, and an object thereof is to provide a portable air conditioner that is easy to carry and inexpensive.

In order to solve the above problems, a portable air conditioner according to the present invention includes a box body that can be sealed, a lid body that can be opened and closed at an upper portion of the box body , and a lid body that is provided on the lid body. An air intake for taking in the air outside the box body, a regenerator that is accommodated in the box body and cools the air taken into the box body from the air intake , and the lid incorporated in the body, characterized in that it comprises a blowing fan apparatus for delivering to the outside of the cooled air the box body by the refrigerant 13A.

(Aspect of the Invention)
In the following, aspects of the invention that is recognized as being capable of being claimed in the present application (hereinafter referred to as claimable invention) will be exemplified, and each exemplified aspect will be described. Here, as in the claims, each aspect is divided into paragraphs, numbers are assigned to the respective paragraphs, and the descriptions of other paragraphs are cited as necessary. This is for the purpose of facilitating the understanding of the claimable invention, and is not intended to limit the combination of the constituent elements constituting the claimable invention to those described in the following sections. In other words, the claimable invention should be construed in consideration of the description accompanying each section, the description of the embodiment, etc., and as long as the interpretation is followed, another aspect is added to the aspect of each section. Moreover, the aspect which deleted the component from the aspect of each term can also be one aspect of the claimable invention.
In the following items, each of the items (1) to ( 4 ) corresponds to each of claims 1 to 5 described in the claims.

(1) A box body that can be sealed, a lid body that can be opened and closed at the top of the box body, an air intake port that is provided on the lid body and takes air outside the box body into the box body, and a box A cool storage agent that cools the air that is contained inside the body and is taken into the box body from the air intake , and a blowout that is built in the lid and sends out the air cooled by the cool storage agent to the outside of the box body A portable air conditioner comprising a fan device.
According to the portable air conditioner described in this section, after the air outside the box body is taken into the box body from the air intake , it comes into contact with the cold storage agent accommodated inside the box body. To be cooled . The cooled air is sent out from the inside of the box body to the outside (indoor space) of the box body, for example, upward by the blowing fan device. In this way, the air outside the box body, Ru is cooled are incorporated into the interior of the sequential box body.

(2) The portable air conditioner according to (1), wherein a cooler box is used as the box body.
According to the portable air conditioner described in this section, the cooler box is designed for outdoor use, and is equipped with a handle and a belt for hanging on the shoulder. is there. Moreover, since it is not necessary to design and manufacture a box body newly, and what can meet a specification can be selected from a commercially available cooler box as needed, it can manufacture in a short time and cheaply.
In the aspect of this section, the blowing fan device and the air intake port can be provided on the lid of the cooler box (box body). In this case, the required airtightness of the cooler box is ensured. Therefore, by installing an electric fan as a blower fan device in the lid of the cooler box, the cooler box has a relatively small air flow. It is possible to generate a sufficient negative pressure inside. Thereby, the air outside the cooler box can be efficiently taken into the cooler box from the air intake port, and the power consumption can be reduced. Thus, in this air conditioner, it is possible to ensure the required air conditioning capacity even in a relatively wide space (indoor space). In addition, it is desirable to attach the filter for purifying the air taken in the inside of a cooler box to an air intake.

(3) The portable air conditioner according to (1) or (2), wherein the portable air conditioner includes a power supply unit that supplies power to the blowing fan device, and the power supply unit includes a battery cell as a power supply source.
According to the portable air conditioner described in this section, the portable air conditioner can be used even in an environment where the external power supply cannot be received (for example, outdoors).
In the aspect of this section, the battery cell is housed in, for example, a housing of the power supply unit. For example, when the rated voltage of the blowing fan device is set to 24V, the power supply unit can be configured to select a power supply source from a large truck battery (DC24V) and a battery cell. Similarly, when the rated voltage of the blowing fan device is set to 12 V, the power supply source can be selected from a battery (DC 12 V) of a normal vehicle and a battery cell. Furthermore, you may comprise a power supply unit so that AC100V supplied from an electric power company can be used. And a power supply unit can be comprised so that these electric power supply sources can be selected suitably. Note that the battery cell can be configured by connecting a required number of DC 1.5V dry batteries in series (for example, 16 in the case of DC 24V). In addition to a dry battery of DC 1.5V, a secondary battery of DC 1.2V can be used as the battery cell.

(4) The portable air conditioner according to (3), wherein the power supply unit includes operation selection means for selecting continuous operation and intermittent operation of the blowing fan device.
According to the portable air conditioner described in this section, when the power supply source is a battery cell, that is, when the power supply unit does not receive power supply from the outside (for example, a vehicle battery), the operation selection means By selecting the intermittent operation, it is possible to extend the operation duration in which the present air conditioner effectively operates. According to the aspect of this section, it is possible to roughly estimate the operation duration in continuous operation and the operation duration in intermittent operation of the air conditioner. Accordingly, it is possible to avoid a situation where the power supply of the power supply is interrupted during use and the air conditioner does not function at an unexpected timing.

  According to the present invention, it is possible to provide a portable air conditioner that is easy to carry and inexpensive.

1 is an overall view of a portable air conditioner of an embodiment. In FIG. 1, it is a figure which shows the state by which the cover body of the box body was opened. In FIG. 2, it is a figure which shows the state in which the dry ice was accommodated in the box body. In FIG. 3, it is a figure which shows the state in which the plastic bottle containing ice was accommodated in the box body instead of dry ice. It is a figure which shows the battery cell accommodated in the power supply unit. It is a figure which shows the operation panel provided in the power supply unit.

An embodiment of the present invention will be described with reference to the accompanying drawings. Hereinafter, the case where the air-conditioning purpose of the portable air conditioner of this embodiment is indoor cooling will be described.
As FIG.1 and FIG.2 shows, this air conditioner 1 has the box body 2 which diverted the commercially available cooler box. The box body 2 has a lid 3 that can be opened and closed by a pair of hinges 4, and the lid 3 is provided with a foldable handle 5 that is used for carrying. The lid 3 includes an electric fan 6 (a blowing fan device) on one side of the handle 5 (right side in FIGS. 1 and 2), and on the other side of the handle 5 (left side in FIGS. 1 and 2). An air inlet 7 with a filter 8 is provided. The electric fan 7 is a panel type electric fan driven by DC 24 V and is built in the lid 3.

As shown in FIG. 3, an appropriate amount of dry ice 9 ( cool storage agent ) is accommodated in the box body 2. When the lid body 3 of the box body 2 containing the dry ice 9 is closed and the electric fan 6 (fan device for blowout) is operated, negative pressure is generated inside the box body 2, and the indoor air is taken into the air intake 7. To the inside of the box body 2. The air taken into the box body 2 is cooled by contact with the dry ice 9, and then is sent upward to the outside (indoor space) of the box body 2 by the electric fan 6. In addition to the dry ice 9, as shown in FIG. 4, the cold storage agent accommodated in the box body 2 is more available as long as it has a function of cooling the air taken into the box body 2. The water in the easy plastic bottle 10 can be frozen.

  As shown in FIG. 5, the air conditioner 1 includes a power supply unit 11 as a power supply source that supplies DC 24V power to the electric fan 6 (blowout fan device). The power supply unit 11 includes a stainless steel casing, and a DC24V battery cell 12 configured by connecting 16 DC1.5V single dry batteries in series is accommodated in the casing. The power supply unit 11 is detachably attached to one side surface (right side surface in FIGS. 1 and 2) of the box body 2, and a handle used when the power supply unit 11 is carried alone on the top of the housing. 13 is provided. The power supply unit 11 of the air conditioner 1 is configured so that power supply from the battery cell 12 and external power supply (for example, DC 24V power supply from a large truck battery) can be selected as appropriate. This can be easily performed by those skilled in the art.

  As shown in FIG. 6, an operation panel 14 is provided on the power supply unit 11. The operation panel 14 includes a changeover switch 15 (operation selection means) for switching between continuous operation / stop / intermittent operation of the electric fan 6 (blowing fan device), and a main switch 16 for switching on / off of the air conditioner 1. Is arranged. In addition, this air conditioner 1 is comprised so that electric power can be supplied with respect to the peripheral device (for example, electric fan for forming an effective air flow indoors toward cooling) added as needed. The changeover switch 17 disposed on the operation panel 14 is a spare switch (operation selection means) for switching between continuous operation / stop / intermittent operation of the peripheral device. The operation interval when the operation mode is switched to the intermittent operation by operating the changeover switches 15 and 17 is arbitrarily adjusted by the setting of each timer (not shown) provided in the casing of the power supply unit 11. Is possible.

Next, the operation of this embodiment will be described.
First, after the dry ice 9 ( cold storage agent , see FIG. 4) is accommodated in the box body 2, the lid body 3 of the box body 2 is closed and sealed. Next, this box body 2 is carried into the room and placed in an appropriate place in consideration of the blowing direction (air sending direction) of the electric fan 6 (fan device for blowing). In addition, you may accommodate in the form which replenishes the dry ice 9 in the inside of the box body 2 previously arrange | positioned indoors.

  Next, the operation mode of the electric fan 6 is switched by operating the changeover switch 15 (operation selection means) of the operation panel 14 in consideration of the required cooling capacity, operation duration, and the like. Here, when intermittent operation is selected, the operation interval is adjusted as necessary. Next, the main switch 16 is operated to start the operation of the air conditioner 1, that is, the electric fan 6 (the blowing fan device) is operated. As a result, a negative pressure is generated inside the box body 2, and as a result, indoor air is taken into the box body 2 from the air inlet 7 and cooled by contact with the dry ice 9. The cooled air is sent out of the box body 2 (indoor space) by the electric fan 6.

This embodiment has the following effects.
According to the present embodiment, for example, when the air conditioner is used indoors, the air adjusted (cooled) inside the box body 2 is sent out indoors by the electric fan 6 (fan device for blowout), After that, the air is taken into the box body 2 again from the air intake port 7 of the box body 2. Thereby, the flow of the air which circulates through indoor space is formed, and it can cool effectively.
In addition, since the electric fan 6 (fan device for blowout) is built in the lid 3 of the box body 2 that is hermetically sealed, a negative pressure can be efficiently generated inside the box body 2. Even with a relatively small air volume, a sufficient cooling capacity can be obtained, and as a result, power consumption can be reduced.
Moreover, since the commercially available cooler box was diverted to the box body 2, it is easy to carry and an inexpensive air conditioner can be provided.
In addition, the power supply unit 11 is attached to the box body 2 and the battery unit 12 is accommodated in the power supply unit 11 as a power supply source. Even this air-conditioner 1 can be used.
Further, since the operation mode of the electric fan 6 (fan device for blowout) is switched to continuous operation / stop / intermittent operation by operating the changeover switch 15 (operation selection means), as in the present air conditioner 1 When an original power source (battery cell 12) is provided, that is, when external power supply cannot be received, the operation duration can be extended by selecting intermittent operation. In the present embodiment, since the operation duration can be roughly estimated, continuous operation and intermittent operation can be appropriately selected as necessary. For example, if it is desired to lower the room temperature quickly, continuous operation can be selected. On the other hand, if it is desired to benefit from cooling for a longer time, intermittent operation can be selected.

1 Air Conditioner, 2 Box Body, 6 Electric Fan (Blowout Fan Device), 7 Air Intake, 9 Dry Ice ( Cool Storage Agent )

Claims (4)

A sealable box body;
A lid provided on the top of the box body so as to be openable and closable;
An air intake port provided in the lid body , for taking in air outside the box body into the box body;
A cold storage agent that is housed inside the box body and cools the air taken into the box body from the air intake;
A blowout fan device that is incorporated in the lid body and sends out the air cooled by the cold storage agent to the outside of the box body;
A portable air conditioner comprising: The portable air conditioner according to claim 1, wherein a cooler box is used as the box body. A power supply unit for supplying power to the blowing fan device;
The portable air conditioner according to claim 1, wherein the power supply unit includes a battery cell as a power supply source. 4. The portable air conditioner according to claim 3, wherein the power supply unit includes an operation selection unit that selects continuous operation and intermittent operation of the blowing fan device. 5.

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