JPH0548008Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a structure for attaching a warm air function to a compressor built-in type cold air fan.

[Conventional technology]

The air cooler with a built-in compressor discharges the air that has become hot in the condenser into the room where it is used, and the cold air obtained from the evaporator 9 is used as a spot cooler. It is also effective as an auxiliary device in places where an air conditioner that controls the temperature of the entire room cannot be used, or when there is no need to use an air conditioner.

[Problem that the invention attempts to solve]

By the way, there is an attempt to blow out warm air from this cooling fan and use it even in the winter. A common idea is to switch the refrigerant circuit with a four-way valve like in an air conditioner.
A method of switching between a condenser and an evaporator may be considered. However, even though this method can use hot air blown in a specific direction like a spot cooler, the overall temperature inside the room will actually drop unless a structure is used to exhaust the cold air generated at this time outside. It was hot.

[Means for solving problems]

This idea does not use a cooling system that uses a compressor, but instead involves attaching an electric heating element such as a ceramic heater to a cold air fan to perform the function of an electric hot air fan.
Reference numeral 2 indicates a front suction port provided on the front surface of the frame, and 2 a front air outlet provided in parallel with the front suction port 1, from which cold air or hot air is blown out. Reference numeral 3 denotes a rear suction port provided on the rear surface of the frame, and 4 a rear air outlet provided in line with the rear suction port 3. The rear air outlet 4 is located on the opposite side of the front air outlet 2. 5 is a partition plate that separates an air path A from the front suction port 1 to the front air outlet 2 and an air path B from the rear air intake port 3 to the rear air outlet 2; is installed. 7 is a front fan attached to the rotating shaft of the coaxial motor 6 on the air path A side, and 8 is the coaxial motor 6 on the air path B side.
9 is an evaporator installed at the front suction port 1 facing the front fan 7 of the air path A, and 10 is the evaporator installed at the rear suction port 3 facing the rear fan 8 of the air path B. This is the installed condenser.

11 is an electric heater attached to the partition plate 5 between the front outlet 2 and the rear outlet 4; 12 is a front damper attached between the front fan 7 and the front outlet 2; The flow path from the front fan 7 to the front air outlet 2 and the flow path from the electric heater 11 to the front air outlet 2 are switched, and when the electric heater 11 is used, the flow path from the front fan 7 is completely sealed. When the electric heater 11 is in use, the front damper 12, which is in the open position due to the fulcrum on the partition plate 5 side, functions as an air guiding plate to the front air outlet 2.

A rear damper 13 is installed between the rear fan 8 and the rear air outlet 4, and switches the flow path of the rear fan 8 between the electric heater 11 and the rear air outlet 4. Then, when the electric heater 11 is energized, the compressor (not shown) is stopped and the rear damper 13 and front damper 12 are switched to open a hot air flow path from the rear suction port 3 to the front air outlet 2 via the rear fan 8 and the electric heater 11. Form.

[Explanation of action]

When used as a normal cooling fan, the front damper 12 is used to form a flow path from the front fan 7 to the front outlet 2, and the rear damper 13 closes the flow path to the electric heater 11 and closes the flow path from the front fan 7 to the front outlet 2. Open the flow path to 4. When the coaxial motor 6 is rotated to rotate both fans 7 and 8 and a compressor (not shown) is operated, the refrigerant is compressed by the compressor and sent to the condenser 10, and the air passing through the condenser 10 is As the temperature rises, the refrigerant liquefies. The liquefied refrigerant is vaporized in the evaporator 9 through the capillary, and the air passing through the evaporator 9 becomes low temperature.
The refrigerant that blows out from the front outlet 2 and exits the evaporator 9 is again pressurized by the compressor and transferred to the condenser 10.
is sent to the air conditioner and operates the cooling cycle.

By the way, this invention is equipped with an electric heater 11 for use in winter.

That is, the front damper 12 is rotated to seal the air outlet of the front fan 7, and the interlocking rear damper 13 is rotated to close the air outlet from the rear fan 8 to the rear air outlet 4.
Close the flow path to. Then, while the compressor is stopped, the electric heater 11 is energized, and the rotary motor 6 is
When the frame is rotated, the air entering from the rear suction port 10 passes through the high-temperature electric heater 11 by the rear fan 8 to increase its temperature, and is blown out from the front air outlet 2 toward the front of the frame, making it possible to collect heat. . Note that even if the front fan 7 rotates, the front damper 12 remains on the discharge side.
Since it is blocked by the air, no airflow occurs.

[Explanation of effects]

As described above, in this invention, the internal structure of the frame is arranged symmetrically with the parts on the evaporator 9 side on the front and on the condenser 10 side on the rear side with the partition plate 5 interposed therebetween, and the corresponding front air outlet 2 and rear air outlet are arranged symmetrically. Electric heater 11 between outlet 4
By switching between the front damper 12 and the rear damper 13, the front air outlet 2
The air blown out can now be easily switched between cold and hot air.

In addition, in this invention, both dampers 12 and 13 that switch the flow paths can be installed very close to each other across the electric heater 11, so a simple interlocking structure can be used, and it is easy to incorporate a hot air function into a cold air fan. This could be done by simply adding parts. If only the cold air function is required, a blind plate may be provided at the mounting portion of the electric heater 11, and both dampers 12, 13 and the interlocking mechanism may be removed.

On the other hand, the front damper 12 of this invention only has the function of closing the outlet of the front fan 7, and there is no need to close the flow path of the electric heater 11 when it is opened, so the front damper 12 is inclined with respect to the air flow. This allows air to be held at the front air outlet 2 smoothly.

[Brief explanation of the drawing]

FIG. 1 is a sectional view of this device, and FIG. 2 is a plan view of the interlocking part of the damper. 1...Front suction port, 2...Front air outlet, 3...
Rear suction port, 4... Rear air outlet, 5... Partition plate,
6... Coaxial motor, 7... Front fan, 8... Rear fan, 9... Evaporator, 10... Condenser, 11
...Electric heater, 12...Front damper, 13...
...Rear damper.

Claims (1)

[Scope of claims for utility model registration] (1) Air path A from front air intake port 1 to front air outlet 2
An air path B is provided from the rear suction port 3 to the rear air outlet 4, and a coaxial motor 6 is attached to the partition plate 5 that separates the air path A and the air path B.
A front fan 7 and a rear fan 8 are installed in the front and rear air passages A and B, and the evaporator 9 and the rear suction port 3 of the air passage B are attached to the front suction port 1 of the air passage A.
In a cooler with a built-in compressor, in which a condenser 10 is attached, a rear air outlet 4 is provided on the back opposite to the front air outlet 2, and a partition plate 5 is provided between the front air outlet 2 and the rear air outlet 4. An electric heater 11 is attached to the front damper 12, and a front damper 12 is provided between the front air outlet 2 and the front fan 7.
The flow path leading to the front air outlet 2 is switched between the front fan 7 and the electric heater 11, and a rear damper 13 is provided between the rear air outlet 4 and the rear fan 8. The discharge flow path of 8 is connected to the rear air outlet 4 and the electric heater 1.
1, the compressor is stopped when the electric heater 11 is energized, and both dampers 12 and 13 are moved from the rear air outlet 3 to the electric heater 11.
A cold air hot air fan in which a flow path is formed to the front air outlet 2 through the air outlet. (2) Front damper 1 that closes the flow path of front fan 7
2 is a request for registration of a utility model characterized in that the damper is formed with a fulcrum on the side of the partition plate 5, and the opening angle of the flow path of the front fan 7 is made small so that the front damper 12 guides air to the front air outlet 2. The cold air hot air fan described in item 1.