KR102017489B1 - An electrical hot air blower with electric outlet - Google Patents

Abstract

The present invention relates to a hot air fan equipped with an outlet, the outlet being mounted to a hot air fan, and configured to be connected to a power supply when the hot air fan is switched on to operate. A blowing fan and a heater mounted in the casing; An outlet provided outside the casing; And a load controller including the blower fan and the heater, and a power controller configured to supply power to the outlet, wherein the power controller is provided to the outlet only when power is supplied to the load. Provide a configuration for supplying power.
According to the electric hot air fan as described above, by installing an outlet in the hot air fan, an electric device can be used without installing a separate power line, and the hot air fan is switched on to supply power to the electric outlet only during operation. Only other electrical equipment can be used, which makes it very safe to operate.

Description

Hot air blower with outlet {An electrical hot air blower with electric outlet}

The present invention relates to a hot air fan equipped with an outlet, wherein the hot air fan is equipped with an outlet, and the hot air fan is switched on to operate.

In general, farming plastic houses and greenhouses are provided as a place for farming in an atmosphere that is cut off from a certain level and can be raised regardless of the season, so they are commonly used in farms regardless of crop types. An important point in farming using a greenhouse is to adjust the atmosphere inside the greenhouse according to the characteristics of the crop. For this purpose, various devices have been developed and used conventionally. For example, an automatic temperature control system that maintains and maintains a room temperature to a certain level, or a heating and cooling device such as a boiler, a hot fan, and a cooler to support the system is used.

In particular, the agricultural or industrial electric hot air heater is a device that heats the surrounding air with electricity, and is more widely used because of its stability, economy and convenience compared to other hot air heaters that use the fossil fuel (gas, oil, coal, etc.) to heat the ambient air. [Patent Documents 1 and 2]. Such electric hot air fans generally include a housing, a fan and a heater provided in the housing. The housing is provided with an inlet and an outlet. When the fan is operated, ambient air is introduced into the inlet and then discharged into the outlet. In addition, a heater is provided inside the housing, and the air flowing into the inlet and discharged to the outlet is heated while passing through the heater during the movement.

On the other hand, since electrical equipment for supplying electricity is not installed in the plastic house, the electric equipment cannot be used at all. If an electric hot air fan is installed, connect electric wires to the hot air fan to supply electricity. However, when the electrical outlet or plug is exposed to the outside, foreign objects may enter the outdoor, such as an electric leakage. Therefore, when connecting the power supply from the power supply to the hot air fan, the insulation tape is wrapped around the power line and is completely sealed.

Therefore, when it is necessary to use other electric devices in addition to the hot air fan, there is a problem such as connecting the sealed power line again.

Korea Patent Publication No. 10-1744334 (July 2017) Korean Patent Publication No. 10-1676409 (2016.11.15.)

An object of the present invention is to solve the problems as described above, equipped with an outlet to the hot air, and when the hot air is switched on (on), the outlet is configured to connect and supply power to the outlet It is to provide a hot air fan.

In order to achieve the above object, the present invention relates to a hot air fan equipped with an outlet, a casing; A blowing fan and a heater mounted in the casing; An outlet provided outside the casing; And a load controller including the blower fan and the heater, and a power controller configured to supply power to the outlet, wherein the power controller is provided to the outlet only when power is supplied to the load. It is characterized by supplying power.

In addition, the present invention is a hot air fan equipped with an outlet, the power control device, commercial power input unit for inputting commercial power; An operation switch to turn on / off the electric hot air fan; A control module for receiving a command signal from the operation switch and transmitting a control signal; A first relay switch driven according to a control signal of the control module; And a second relay switch driven by the first relay switch to turn on / off power supply of the outlet.

In another aspect, the present invention provides a hot air fan equipped with an outlet, wherein the power control device rectifies a part of the commercial power to generate a DC power, and supplies the DC power to the control module or the operation LED. .

In another aspect, the present invention provides a hot air fan equipped with an outlet, wherein the relay coil of the first relay switch is connected in series with a DC power source and grounded through a transistor, and the base of the transistor receives a control signal by the control module. It features.

As described above, according to the hot air blower equipped with an outlet according to the present invention, by providing the hot air outlet to the hot air blower, an effect of using an electric apparatus without using a separate power line is obtained.

In addition, according to the hot air fan equipped with an outlet according to the present invention, by supplying power to the outlet only during the operation of the switch is turned on (on), other electrical equipment can be used only during the operation of the hot air can operate very safe Effect is obtained.

1 is a block diagram of a hot air fan equipped with an outlet according to an embodiment of the present invention.
Figure 2 is a circuit diagram of a power control unit of a hot air outlet equipped with an outlet according to an embodiment of the present invention.
Figure 3 is a time table showing a power supply process by the power control device of the electric hot air according to an embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, specific contents for carrying out the present invention will be described with reference to the drawings.

In addition, in describing this invention, the same code | symbol is attached | subjected and the repeated description is abbreviate | omitted.

First, the configuration of a hot air fan according to an embodiment of the present invention will be described with reference to FIG. 1.

As shown in FIG. 1, the electric hot air fan 100 according to an embodiment of the present invention includes a casing 110, a blowing fan 120, a heater 130, an outlet 140, and a power control device 150. It consists of.

First, the casing 110 has at least one heater 130 embedded therein, and an inlet 111 through which external air is introduced is provided at one side thereof, and an outlet 112 connected to the heating room is provided at the other side thereof.

Next, the blowing fan 120 is installed at the inlet 111 of the casing 110 by blowing outside air into the casing 110 in which at least one heater 130 is built. The blowing fan 120 receives power from the power control device 150.

Next, the heater 130 is installed inside the casing 110 to heat the outside air introduced into the casing 110. The heated air is discharged to the discharge port 112 and discharged to the room such as a plastic house. The heater 130 receives power from the power control device 150.

Next, the outlet 140 is installed on the outside of the casing 110, so that the plug (not shown) can be plugged in from the outside. The outlet 140 receives power from the power control device 150. Therefore, the plug of the electric device can be plugged into the outlet 140 to supply power to the electric device.

In addition, the power control device 150 is installed inside the casing 110, is connected to an external commercial power source, and receives external power. In addition, the power control device 150 distributes the power supplied from the outside to the blowing fan 120, the heater 130, or the outlet 140.

In addition, the power control device 150 is provided with a switch 151 on the outside of the casing 110 to turn on / off the supply of external commercial power or to adjust the temperature or intensity of the hot air fan. On the other hand, the power control device 150, the external commercial power supply only when the switch 151 is on (on), the internal components, that is, the blower fan 120, the heater 130, the outlet 140, etc. To supply.

Next, the circuit configuration of the power control device 150 of the electric hot air fan according to an embodiment of the present invention will be described in more detail with reference to FIG. 2.

As shown in FIG. 2, the power controller 150 includes a commercial power input unit 151 to which commercial power is input, an operation switch 152 for setting an electric hot air on / off or temperature / intensity, and an operation switch 152. Is driven by the control module 153 for receiving a command signal from the control module 153, a first relay switch 154 driven according to a control signal of the control module 153, and a first relay switch 154. The second relay switch 155 is configured. In addition, power is supplied to the outlet 156 by the second relay switch 155, and loads such as the blower fan 120 and the heater 130 are connected and supplied by the first relay switch 154.

Specifically, the commercial power input unit 151 receives commercial power (or AC power) as an input power. A part of the input commercial power is rectified by a rectifier circuit (not shown), and the rectified DC power is supplied to the control module 153, the transistor 157, a power LED (not shown), and the like. That is, the rectified DC power is supplied by rectifying the commercial power directly, so that when the commercial power is connected to the hot air blower 100, the power is supplied regardless of the on / off of the operation switch 152.

The operation switch 152 is a switch for operating the electric hot air blower 100 (that is, a load of a hot air blower, a heater, etc.) and receives an on / off or temperature / intensity by a user. The input command is input to the control module 153. The operation switch 152 is a device for switching on / off of the hot air fan, and is mounted on an outer side of the hot air fan casing.

The driving switch 152 may be configured in a panel form, and the panel may include a driving LED (not shown) indicating that the power is on.

The control module 153 is a control circuit composed of IC chips such as a microcontroller (MCU). The control module 153 outputs a control signal according to a command signal input through the operation switch 152. In particular, when the on signal of the hot air is input, the on signal is output to the transistor 157 or the base B of the transistor. DC power flows through the transistor 157, and a current flows through the coil to the first relay 153 to turn on the contact.

That is, the first relay switch 154 has a relay coil connected in series to a DC power supply (for example, DC 12V, etc.) and grounded through the transistor 157. Therefore, when the transistor 157 is turned on, current flows through the relay coil to turn on the relay contact.

The first relay switch 154 acts as a switch for a load such as a blower fan 120 and a heater 130, and when it is turned on, connects commercial power to the load to supply commercial power to the load.

In addition, the contact of the first relay switch 154 is connected in series to the relay coil of the commercial power input unit 151 and the second relay switch 155. Accordingly, when the contact point of the first relay switch 154 is turned on, commercial power is supplied to the relay coil of the second relay switch 155 to operate and turn on the relay contact point.

In this case, the contact of the second relay switch 155 is connected in series with the commercial power input unit 151 and the outlet 140. Therefore, when the second relay switch 155 is turned on, commercial power is connected to the outlet 140 and supplied.

Next, the power supply process by the power control device 150 of the electric hot air fan according to an embodiment of the present invention will be described in more detail with reference to FIG. 3.

As shown in FIG. 3, when commercial power is supplied to the electric hot air fan, that is, when the power is turned on, the operation LED is turned on. The operation LED is an LED indicating power on / off.

As described above, a part of the commercial power is rectified through a rectifying circuit (not shown), and the rectified DC power is supplied to the driving LED. Therefore, when the commercial power is connected, the operation LED is turned on (on).

When the user turns on the operation switch (operation S / W), the first relay switch is turned on to supply power to a load such as a motor of the blower fan. At this time, the second relay switch is also turned on by the first relay switch on, and power is supplied to the outlet.

When the user turns off the operation switch, the first relay switch is turned off, and the power supplied to the load is cut off. In addition, the second switch relay operated by the first relay switch is also turned off because the power is cut off. Therefore, the power is also cut off at the outlet.

As mentioned above, although the invention made by this inventor was demonstrated concretely according to the said Example, this invention is not limited to the said Example and can be variously changed in the range which does not deviate from the summary.

100: electric hot air fan 110: casing
111: inlet 112: outlet
120: blower fan 130: heater
140: outlet 150: power control unit
151: commercial power input unit 152: operation switch
153: control unit 154: first relay
155: second relay 157: transistor
160: load

Claims (4)

In the hot air fan equipped with an outlet,
Casing;
A blowing fan and a heater mounted in the casing;
An outlet provided outside the casing; And,
A load including the blower fan and a heater and a power control device for supplying power to the outlet;
The power control device supplies power to the outlet only when power is supplied to the load,
The power control device,
A commercial power input unit to which commercial power is input;
An operation switch for setting the hot air fan on / off;
A control module for receiving a command signal from the operation switch and transmitting a control signal;
A first relay switch driven according to a control signal of the control module; And,
A second relay switch driven by the first relay switch to turn on / off a power supply of the outlet;
The relay coil of the first relay switch is connected in series with a DC power supply and grounded through a transistor, and the base of the transistor receives a control signal by the control module.
The contact point of the first relay switch is connected in series with the commercial coil input unit and the relay coil of the second relay switch, and when the contact point of the first relay switch is on, the relay coil of the second relay switch is connected to the relay coil of the second relay switch. When commercial power is supplied and operated, when the contact of the second relay switch is turned on and the contact of the first relay switch is turned off, the commercial power is cut off by the relay coil of the second relay switch. And a hot air outlet having an outlet, characterized in that to turn off the contact point of the second relay switch.
delete The method of claim 1,
The power control device is a hot air fan equipped with a socket, characterized in that for rectifying a portion of the commercial power to generate a direct current power, and supply the direct current power to the control module or the operation LED.
delete

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