JPS5910515Y2 - air conditioner - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an air conditioner equipped with an outside air intake device.

In general, it is considered necessary to introduce fresh outside air into the room to prevent air pollution from combustors such as gas cooking stoves, but this has been decided by introducing outside air directly through the intake device of ventilation equipment such as range hoods. In some cases, for example, during heating, the indoor temperature drops, making it impossible to perform comfortable heating.

To address this problem, a method has been proposed in which outside air is introduced through the heat exchanger of an air conditioner.

However, this method has the following problems.

In other words, a normal air conditioner controls the blower in stages of high speed, medium speed, low speed, and stop depending on the indoor temperature, or continuously controls it, so even when it is necessary to introduce outside air while the combustor is in use, the room temperature remains constant. If the temperature has reached that temperature, the blower may have stopped operating and sufficient air intake may not be possible.

This idea was developed mainly in view of the points mentioned above, and the introduction of outside air through the heat exchanger, which is required during the use of the combustor, was introduced into the combustor or the exhaust system of the ventilation system attached to it. This problem is solved by forcibly controlling the operation of the blower of the air conditioner according to the operation, and ventilation cooling can be performed by introducing outside air in the summer.

The details of this invention will be explained below based on the drawings of the embodiments.

1 and 2, 1 is the main body of the air conditioner;
2 and 3 are indoor air inlets and outlets provided on the front side of the upper and lower parts of the main body 1, and 4, 5.6 are indoor air inlets and outlets provided in the main body 1 between the inlet 2 and the outlet 3 from above. A filter, a blower, and a heat exchanger are shown which are arranged in this order, and 7 is a duct connection port for outside air intake provided on the back side of the main body 1 to face the suction port 2, and 8 is a combustor (not shown). A damper device that selectively opens and closes the suction port 2 and the duct 1/connection port 7 in response to the stoppage of the operation of the exhaust device (not shown) of a ventilation device such as a range hood, which is linked to the system, and 9 changes the rotation speed of the blower 5. Shows a rotary switch for

Next, the control operation will be explained based on the implementation diagram of the control circuit of the present invention shown in FIG.

First, during normal heating operation, the rotary switch 9 is operated according to the indoor temperature, and any contact point of high, medium, or low is closed, and the blower motor 51 is connected to the contact piece 101 of the relay 10.
is operated via contact 101a.

At this time, the other contact piece 102 of the relay 10 is connected to the contact 102a.
Since the damper motor 81 is deenergized because it is connected to the side, the damper device 8 closes the duct connection port 7 side and opens the suction port 2 side, so the indoor air sucked through the suction port 2 is It exchanges heat with hot water in the heat exchanger 6, becomes warm air, and blows it out from the outlet 3 into the room.

On the other hand, when the combustor is operated, the switch 11 that is activated in response closes and drives the exhaust device drive motor 12 of the ventilation system, and the relay 13 is energized to close its contact piece 131. Therefore, (the relay 13 may be energized by excluding the parallel connection of the motor 12 and the switch 11 is activated in accordance with the drive of the motor 12), the relay 10 is energized and one contact piece 101 is placed on the contact 101a side. From contact 10
The blower motor 51 is switched to the lb side, and the blower motor 51 operates via the strong contact, and at the same time, the other contact piece 102 of the relay 10 is switched to the contact 102b side, the damper motor 81 starts operating, and the suction port 2 side is closed.

Therefore, outside air is sucked in through the duct connection port 7, turned into warm air by the heat exchanger 6, and blown out from the outlet 3, providing comfortable heating at the same time.

In addition, when the indoor temperature rises and the rotary switch 9 is operated to the disconnect point to stop the operation of the blower 5, and the exhaust device of the ventilation system is activated, the contact piece 10 of the relay 10
The blower motor 51 is operated via the strong contact by the contact 101b of the contact piece 102, and the damper device 8 opens the duct connection port 7 by the contact 102b of the contact piece 102, so as mentioned above, sufficient outside air is taken in. Provide comfortable heating.

14 is a ventilation cooling switch attached to the main body of the air conditioner 1 and connected in parallel to both ends of the contact 131 of the relay 13;
This is intended to operate the outside air intake device independently regardless of the combustor or ventilation device described above, and when it is closed, the damper motor 81 is activated via the relay 10 in the same way as the energization of the relay 13 described above. Operation is started and the suction port 2 side is always closed.

In summer, the temperature difference between the indoor temperature and the outside air temperature gradually increases as the night progresses, and it is possible to sufficiently cool the room by introducing outside air into the room.

Therefore, if the contact point of the ventilation cooling switch 14 is closed in summer, the damper motor 81 is driven and the duct connection port 7
is opened, the contact 101 of the relay 10 is switched to the contact 101b side, and the blower 5 is operated with a strong contact, so that sufficient outside air can be introduced and ventilation cooling can be performed.

Also, when the ventilation system is activated at this time, the blower motor 51 is operated via the strong contact point by the contact point 101b of the contact piece 101 of the relay 10, as described above.

In the above embodiment, when the combustor is operated, the blower motor 51 is operated via a strong contact, but the same effect can be achieved by connecting it to other contacts depending on the required amount of outside air.

Further, in the above embodiment, the air conditioner is of a top suction, bottom blowing type, but it can also be applied to a bottom suction, top blowing type air conditioner, or for cooling purposes.

As described above, in this invention, the fresh outside air necessary for combustion is exchanged with the heat exchanger by the outside air intake device that operates according to the operation of the exhaust device in the combustor or ventilation system, and then brought into the room. Comfortable heating or cooling can be achieved, and the blower can be forced to operate in accordance with the operation of the exhaust device of the combustor or ventilation system even when the operation of the air conditioner, i.e., the blower, is stopped. Therefore, sufficient outside air can be taken in at a constant flow rate, and the outside air intake device can provide comfortable ventilation and cooling during the summer.

[Brief explanation of drawings]

The figures show one embodiment of the present invention, in which Figure 1 is a front view of the air conditioner, Figure 2 is a vertical side view taken along the line II-II in Figure 1 and viewed in the direction of the arrow, and Figure 3 is a side view of the air conditioner. The figure is an electrical circuit diagram. Brief explanation of symbols 1... Main body of air conditioner,
2...Suction port, 3...Blowout port, 4...
...Filter, 5...Blower, 6...
...Heat exchanger, 7...Duct connection port, 8...
... Damper device, 9 ... Rotary switch, 51 ... Blower motor, 10 ... Relay, 101 ... Contact piece, 101 a ...・・・
・Contact point, 102... Contact piece, 102a...
・Contact, 81... Damper motor, 11...
...Switch, 12...Exhaust device drive motor,
131... Contact piece, 13... Relay, 1
01b...Contact, 102b...Contact,
14...Ventilation cooling switch.

Claims (1)

[Scope of utility model registration request] In an air conditioner that is equipped with an indoor air inlet and outlet, a heat exchanger, and a blower, and also includes an outside air intake device that introduces outside air through the heat exchanger, an operation control circuit for the outside air intake device. The relay for controlling the blower motor in the interior also controls the damper motor, and the relay is operated in response to the drive of the exhaust device drive motor of the ventilation device such as a range hood. The blower motor is operated via the setting contact by the drive of the exhaust device drive motor, and the damper motor closes the suction port. An air conditioner characterized by incorporating a ventilation cooling switch circuit.