KR102545442B1 - Portable heater - Google Patents

Abstract

A portable heater receiving power from a plurality of power sources is disclosed. The disclosed portable heater includes a case in which an air inlet is formed on one surface and an air outlet is formed on an opposite part; an intake fan discharging air inside the case to the air discharge unit; a heat generating module including a plurality of heating elements installed inside the case; at least one power input unit for supplying power to the heat generating module and the intake fan and receiving external power; and a thermal regulator controlling power supplied to the heat generating module.

Description

Portable heater {Portable heater}

The present invention relates to a portable heater, and more particularly, to a portable heater that receives multiple power supplies from a portable device charging device and increases the effect of warm air to the extent that a user can substantially feel warmth.

Warm air and heating technology is a technology that everyone wants to use in cold weather and is widely used. Since a large amount of power is required to operate the fan heater, the fan heater and the heater are mainly implemented by receiving power from an outlet of a commercial power grid or used only in a limited environment such as using power from a car battery.

However, since the warm air technology is directly related to the user's health, in addition to the above limited environment, when the outlet is far away, when the heater is operated in a wide area but the heating effect is not reached and the temperature is locally low, it is used outdoors. The need for a portable warm air device that can be used even when high-voltage power is not accessible, such as when camping, is emerging.

Accordingly, in order to overcome the spatial limitation, portable hot air heaters are being developed. Patent No. 10-2120111 (Prior Patent 1) includes a battery connected to the charging terminal, a blowing fan operated by operation, a body tube with heating means, and a heating means to keep the remaining warmth inside by OFF operation. A technology for providing a portable hot air fan by using the same is disclosed.

Prior Patent 1 implemented a portable heater using a battery as a power source by strengthening a means for storing remaining warmth in a heater that requires a lot of power. However, in view of the fact that various portable electronic devices are widely distributed, users always have chargers for portable devices, whereas not everyone has batteries, and that they are consumed after use and must be continuously replaced. There was a problem that convenience provision was insufficient.

In addition, Patent No. 10-2035127 (Prior Patent 2) is based on a centrifugal fan that rotates by driving, a power connection port to which external power is detachably coupled, a USB power connection jack for charging that is connected and used when charging a battery, a heating port, etc. As a result, a technology for providing a portable hot air fan using a portable device charging device is disclosed. Non-Patent Document 1 also discloses a technology for providing a portable heater using a USB power connection jack for charging.

Prior Patent 2 has improved portability by using a charging device for a portable device, but the charging power of a single charging line for a charging device for a portable device is usually only about 10W, so the power required by one heating element is minimal. Considering that it is 3W to 12W, the charging power is insufficient. Therefore, the warm air fan shown in Non-Patent Document 1 or Prior Patent 2 has a problem that the warm air effect is only insignificant to the extent that it is difficult for the user to actually feel the warm air effect to the extent that it must be assumed that the user is very close to the user in a closed space.

The present invention has been made in view of the problems of the above background art, and an object of the present invention is to provide a portable heater that can be widely used, is lightweight and has a small volume as a power supply source, and is highly portable. is in

In addition, another object of the present invention is to connect a plurality of power of the portable charging device to compensate for the insufficient transport power of the portable device charging device to provide warm air, thereby increasing the effect of the previous insignificant heater several times Finally, the technical task is to increase the effect to the extent that the user can fully feel the warm air effect with a heater using a portable charging device.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. will be.

According to one embodiment of the present invention for achieving the above object, the air inlet portion is formed on one surface, the air discharge portion is formed on the opposite side of the case; an intake fan discharging air inside the case to the air discharge unit; a heat generating module including a plurality of heating elements installed inside the case; at least one power input unit for supplying power to the heat generating module and the intake fan and receiving external power; and a heat controller for controlling power supplied to the heat generating module.

In addition, according to another embodiment of the present invention for achieving the above object, the case; a heat generating module including a plurality of heating elements installed inside the case; a reflector for reflecting the heat generated by the heat generating module toward a target; at least one power input unit for supplying power to the heat generating module and receiving external power; and a heat controller for controlling power supplied to the heat generating module.

Conventional portable heaters use a portable electric charger or battery as a power source, and when using an electric charger, the electric power of the electric charger is supplied through a USB standard line. The power that can be supplied with a single USB standard is usually around 10W There was only a very slight warm air effect.

Accordingly, one embodiment of the present invention can provide an effect of increasing the warm air effect by several times compared to conventional portable heaters by using a plurality of power sources.

In addition, one embodiment of the present invention uses a portable charging device as a main power supply source, has a small volume and light weight, and is highly portable, and can be used with a portable charger having two or more commonly used power supply terminals, In that case, compatibility is also good, and portability is maximized.

In addition, one embodiment of the present invention has an effect of evenly heating the air inside the heater even when a single power is supplied to a charging device of a portable device or when power is supplied simultaneously.

1 is a perspective view showing a portable heater according to an embodiment of the present invention.
2 is a perspective view illustrating a state in which a portable device charging device is connected to a portable heater according to an embodiment of the present invention and multi-power is supplied.
3 is a perspective view showing a cross section of a portable heater according to an embodiment of the present invention.
4 is a side view in which a PTC planar heating element group connected to one power input unit is evenly arranged in a portable heater according to an embodiment of the present invention.
5 is a side view in which a PTC planar heating element connected to one power input unit in a portable heater according to an embodiment of the present invention is evenly arranged in a manner in which a PTC planar heating element connected to another power input unit is alternately arranged.
6 is a view for explaining a portable heater according to another embodiment of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals have been used for like elements throughout the description of each figure.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a portable heater according to an embodiment of the present invention, and FIG. 3 is a perspective view showing a cross section of the portable heater according to an embodiment of the present invention.

1 and 3, a portable heater according to an embodiment of the present invention is a portable heater capable of supplying multiple power to a portable device charging device, and includes a case 100, an intake fan 300, and a heat generating module 400. , At least one power input unit 200 and a thermal control unit. And depending on the embodiment, it may further include a rechargeable battery and the like.

The case 100 forming the exterior of the portable heater may be implemented in various shapes according to embodiments. As an embodiment, an air inlet 110 is formed on one surface of the case 100, and the air inlet 110 ), that is, the air discharge unit 120 may be formed on the other surface opposite to the air inlet unit 110. In addition, various devices for convenience, such as a timer for adjusting the operating time, a power on/off button, an intensity control button of the intake fan 300, and a heat control button, may be added to the outer surface of the case 100. there is.

The case 100 has heat resistance that can withstand the heat generated inside the portable heater, and not only can confine the heat generated inside, but also has heat insulating properties so as to prevent burns of a user who touches the surface of the case 100. It can be composed of a material having. For example, materials with good heat resistance and heat insulation, such as glass wool or mica, may be used for the case 100, but are not limited to these materials.

An intake fan 300 is included inside the case 100 , and the intake fan 300 exhausts air inside the case 100 to the air discharge unit 120 . When the intake fan 300 is operated, the intake fan 300 may be disposed inside the case 100 so that air coming in from the air inlet 110 is discharged to the air outlet 120 .

A heat generating module 400 is installed inside the case 100, and the heat generating module 400 may have a structure in which a plurality of heating elements are spaced apart from each other and piled up. As one embodiment, the heating element may be a PTC surface heating element 410 or various types of heating elements that emit radiant heat.

The PTC planar heating element 410 is planar among heating elements, and is suitable for heaters such as hot air blowers with a wide contact area with air and low heat loss. Various types of PTC planar heating elements can be used, and when a PTC planar heating element exhibiting high efficiency even at low voltage is used, a better heating effect can be obtained.

A plurality of radiating fins may be disposed on one surface and the other surface of the PTC planar heating element 410 so as to be perpendicular to the PTC planar heating element 410, and heat exchange may be made between the air passing through the radiating fins and the radiating fins.

The PTC planar heating element 410 may be disposed in a direction parallel to the air flow so that air can naturally pass from the air inlet 110 to the air outlet 120. As an example, the PTC planar heating element 410 may be disposed parallel to the longitudinal direction of the case between the air inlet 110 and the air outlet 120 .

At least one power input unit 200 supplies power to the heat generating module 400 and the intake fan 300 and receives external power. According to the embodiment, a mobile device charging device is connected to each of the power input units 200, so that multiple powers from a plurality of mobile device charging devices can be supplied to the portable heater. And, together with the power supplied from the power input unit 200, the rechargeable battery may also supply power to the heat generating module 400.

The power input unit 200 may be disposed on the surface of the case 100 , and a charging port for a rechargeable battery may also be disposed on the surface of the case 100 together with the power input unit 200 .

Also, the heat controller controls power supplied to the heat generating module 400 .

2 is a perspective view showing a state in which a mobile device charging device is connected to a portable heater according to an embodiment of the present invention and multiple power is supplied, and power is supplied by simultaneously connecting two USB cables in the mobile device charging device This is a drawing showing what it looks like.

As shown in FIG. 2 , at least one power input unit 200 may be disposed on the outer surface of the case 100, and at least one mobile device charging device may be coupled to the power input unit 200.

The intake fan 300 and the PTC planar heating element 410 operate using power supplied from a portable device charging device coupled to the power input unit 200 . In general, a single power input unit is used for one electronic device, but in one embodiment of the present invention, power can be supplied from a plurality of power sources in consideration of the characteristics of a heater having a large amount of power consumption. Such a power source may include power supplied through a power input unit and a rechargeable battery.

The power input unit 200 may be implemented in a standard compatible with a mobile device charging device. As an example, the most compatible USB type may be used as the power input unit, and USB type C or type A may be utilized.

In addition, the most widely used transmission standard is 5V / 2A, 10W type, but by adopting a standard with a larger transmission amount, a larger number of PTC heating elements 410 are driven at the same time, or a PTC heating element that requires more power (410) can be used.

According to one embodiment of the present invention, by adopting a power input unit that can easily use a portable device charging device, it is possible to operate a portable heater using a commonly used charging device. In particular, when a charging device having a port capable of charging a plurality of portable devices or a plurality of portable device charging devices is coupled to the power input unit 200, a stronger warm air effect can be provided compared to portability.

On the other hand, as shown in FIG. 3, after the power input to the power input unit 200 is added, the power input unit 200 and the PTC planar heating element 410 may be distributed to each of the PTC planar heating elements 410. can be connected In this case, as the number of power input units 200 to which the mobile device charging device is connected increases, the amount of current flowing through the PTC planar heating element 410 can be increased, so that the PTC planar heating element 410 reaches a higher temperature more quickly. can

The above-described connection method may be effective when a single power input to one power input unit 200 is sufficient to operate even when power is distributed to all PTC planar heating elements 410 .

The temperature control of the warm air may be performed by controlling the current flowing through the PTC planar heating element 410 by the heat controller.

4 is a side view in which a PTC planar heating element group connected to one power input unit is evenly arranged in a portable heater according to an embodiment of the present invention, and FIG. 5 is a power input unit in a portable heater according to an embodiment of the present invention. This is a side view in which the PTC planar heating element connected to is evenly arranged in a manner that is alternately arranged with the PTC planar heating element connected to the other power input unit.

In FIGS. 4 and 5 , two power input units 200 are used and an embodiment further including a thermal control unit 210 is shown.

The thermal control unit 210 controls the power supplied to the PTC planar heating element 410 to adjust the temperature of the warm air. The thermal control unit 210 equally divides the summed power input to the power input unit 200 and supplies it to each of the PTC planar heating elements 410 . In this case, the summed power may include power supplied from the rechargeable battery. In addition, the thermal control unit 210 may supply power received from the power input unit or the rechargeable battery to each of the PTC planar heating elements assigned to the power input unit coupled with the portable device charging device or the rechargeable battery.

As shown in FIGS. 4 and 5 , each of the power input units may supply power to some of the PTC planar heating elements 410 included in the heat generating module 400 . That is, for each power input unit, a plurality of PTC planar heating elements 410 to which power is supplied may be pre-allocated, and each power input unit may supply power to a plurality of pre-allocated PTC planar heating elements 410. In addition, a rechargeable battery can also supply power to a pre-assigned PTC face heating element.

At this time, the PTC planar heating elements 410 to which the power input unit 200 supplies power may be uniformly disposed so that the internal air of the case 100 is uniformly heated, and allocated to each of the power input units 200. The PTC planar heating element 410 to be may also be uniformly disposed. For example, the PTC planar heating elements 410 may be spaced apart by a uniform separation distance, and the separation distances between the PTC planar heating elements 410 allocated to each of the power input units 200 may be the same.

As shown in FIG. 5, odd-numbered PTC planar heating elements and even-numbered PTC planar heating elements may be assigned to each of the power input units. That is, the PTC planar heating elements assigned to each of the power input units may be alternately disposed.

Alternatively, as shown in FIG. 4, a plurality of PTC planar heating element groups including adjacent PTC planar heating elements spaced apart from each other may be assigned to each power input unit. That is, a plurality of PTC planar heating element groups are allocated to each power input unit, and the PTC planar heating element groups for each power input unit may be disposed spaced apart from each other. At this time, the number of PTC planar heating elements included in each group of PTC planar heating elements may be the same.

When the amount of power input through one power input unit among the plurality of power input units 200 is greater than or equal to a threshold value in a state in which the PTC planar heating elements are pre-assigned to each of the power input units 200, the thermal control unit 210 inputs power. Regardless of the PTC planar heating element assigned to the power input unit to be, power input through one power input unit can be equally divided and supplied to the plurality of PTC planar heating elements 410.

In addition, the thermal control unit 210, as an embodiment, when the power input to the power input unit 200 is not sufficient to operate the entire PTC planar heating element 410 included in the heat generation module 400, the input Power can be selectively supplied to some of the PTC planar heating elements 410 according to the amount of power.

At this time, the heat control unit 210 may adjust the PTC planar heating element to which power is supplied at each operating time of the portable heater in order to increase the lifespan of the PTC planar heating element. As one embodiment, the heat controller 210 may sequentially select PTC surface heating elements to which power is supplied according to when the portable heater is activated by the user, that is, according to the operation time. For example, if power is supplied to the first to second PTC planar heating elements in the previous operation period, power may be supplied to the third to fifth PTC planar heating elements in the next operation period.

6 is a view for explaining a portable heater according to another embodiment of the present invention.

Referring to FIG. 6, the portable heater according to an embodiment of the present invention includes the case 100, the power input unit 200, the intake fan 300, the heat generation module 400, and the heat control unit 210 described above, A fumigation mat insertion unit 130 and a heat transfer unit 500 may be further included.

The fumigation mat insertion part 130 is formed on the surface of the case 100, and mosquito repellent and air freshener in the form of a fumigation mat are inserted. The fumigation mat inserted into the fumigation mat insertion part 130 is heated by the heat generated by the heat generating module 400 .

The heat transfer unit 500 transfers the heat generated by the heat generating module 400 to the fumigation mat insertion unit 130. As an example, the heat transfer unit 500 may transfer heat generated from the heating element 411 adjacent to the case 100 among the plurality of heating elements 411 and 412 to the fumigation mat insertion unit 130 .

The heat transfer unit 500 may be a metal having high thermal conductivity, and may transfer heat of the heating element 411 to the fumigation mat insertion unit 130 while being in contact with the heating element 411 .

As described above, the heat dissipation fins 420 may be disposed on one side and the other side of the heating element of the heat generating module 400, and the heating element 411 adjacent to the case 100, that is, the case among the heating elements of the heat generating module 400 Among one side and the other side of the heating element 411 disposed at the edge adjacent to (100), one side facing the case 100 and in contact with the heat transfer unit 500 has a heat dissipation fin for disposition of the heat transfer unit 500. this is not placed

That is, among the heating elements of the heat generating module 400, the heating elements adjacent to the fumigation mat insertion part 130 have heat radiating fins disposed on the other side, and the other heating elements have heat radiating fins disposed on one side and the other side.

Meanwhile, in the above-described embodiment, a portable heater equipped with a warm air function has been described, but depending on the embodiment, a portable heater without a warm air function may be supplied with multiple powers through at least one power input unit.

A portable heater according to another embodiment of the present invention includes a case, a heat generation module including a plurality of heating elements installed inside the case, a reflector that reflects heat generated in the heat generation module toward a target, and power to the heat generation module. It may include at least one power input unit for supplying and a heat control unit for controlling power supplied to the heat generating module.

That is, a portable heater according to another embodiment of the present invention includes a case, a heat generation module, at least one power input unit, and a heat control unit, but includes a reflector instead of an intake fan for warm air, as in the above-described embodiment. And may include components for the above-described embodiments.

As described above, the present invention has been described by specific details such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , Those skilled in the art in the field to which the present invention belongs can make various modifications and variations from these descriptions. Therefore, the spirit of the present invention should not be limited to the described embodiments, and it will be said that not only the claims to be described later, but also all modifications equivalent or equivalent to these claims belong to the scope of the present invention. .

Claims (23)

delete delete delete delete A case having an air inlet portion formed on one side and an air outlet portion formed on an opposing portion;
an intake fan discharging air inside the case to the air discharge unit;
a heat generating module including a plurality of heating elements installed inside the case;
at least one power input unit for supplying power to the heat generating module and the intake fan and receiving external power; and
And a thermal control unit for controlling the power supplied to the heat generating module,
The thermal control unit
Supplying the power to each of the heating elements assigned to each of the power input units
portable heater.
According to claim 5,
The heating elements are spaced apart by a uniform distance,
The heating elements assigned to each of the power input units are uniformly disposed
portable heater.
According to claim 6,
The separation distance between the heating elements assigned to each of the power input units
identical to each other
portable heater.
According to claim 6,
A plurality of heating element groups including adjacent heating elements and spaced apart from each other are assigned to each of the power input units,
The number of heating elements included in each of the heating element groups is equal to each other.
portable heater.
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