JP5762317B2 - Air conditioner - Google Patents

Description

  The present invention relates to an air conditioner in which a heat exchange type ventilator that has a heat exchanger and ventilates indoor air and outside air and an indoor air conditioner that circulates the indoor air and harmonizes the air with a duct. .

  A conventional air conditioner includes a heat exchange type ventilator, an indoor air conditioner, and a chamber. The heat exchange type ventilator has an air supply fan that sucks outside air through a heat exchanger and an exhaust fan that discharges indoor air to the outside. An indoor air conditioner has an indoor heat exchanger and a circulation fan, and air-conditions while circulating indoor air through two circulation ducts (for example, refer to Patent Document 1).

  As an example of the operation method, there is a method in which one of the outside air duct and one of the circulation ducts is merged in a chamber at the rear of the indoor air conditioner, and the room is supplied with air through the other of the circulation ducts.

JP-A-5-264092

  However, since the conventional air conditioner cannot operate the heat exchange ventilator when the indoor air conditioner is stopped, the indoor air conditioner cannot be ventilated. That is, there is a problem that the air conditioner is not functioning because the air conditioner is stopped at the time of failure of the indoor air conditioner or equipment maintenance.

  In addition, ventilation by a heat exchange type ventilation device cannot be executed unless the indoor air conditioner is operated in an intermediate period when air conditioning by air conditioning is unnecessary.

  This invention is made | formed in view of the above, Comprising: It aims at obtaining the air conditioning apparatus which can drive | operate an indoor air conditioner and a heat exchange type | mold ventilation apparatus separately.

  In order to solve the above-described problems and achieve the object, the present invention performs heat exchange between the outside air sucked from the outside and the room air sucked from the room, and sends the outside air after the heat exchange to the indoor side. From a heat exchange ventilator that sends indoor air after heat exchange to the outside of the room, an indoor air conditioner that takes indoor air from the room, passes it through the indoor heat exchanger, and sends it to the indoor side, and a heat exchange ventilator A wind path merging section is provided with a wind path merging section that joins the air path of the outside air sent to the indoor side and the air path of the room air sent from the indoor air conditioner to the room side, and sends the air into the room. Heat exchange with a first shutter provided at a connection portion with the indoor air conditioner so that it opens when indoor air flows from the indoor air conditioner and closes when indoor air does not flow from the indoor air conditioner Air flows from the ventilator Open When that, to close when the heat exchange ventilator outside air does not flow, characterized in that it comprises a second shutter which is provided in the connection portion between the heat exchange ventilator.

  In the air conditioner according to the present invention, since the heat exchange ventilator can be operated with only the indoor air conditioner stopped in the intermediate period when air conditioning is not required, ventilation is performed with only the heat exchange ventilator operated. There is an effect that is possible.

FIG. 1 is a diagram showing a configuration of an embodiment of an air conditioner according to the present invention. FIG. 2 is a diagram illustrating the operation of the shutter on the indoor air conditioner side and the shutter on the heat exchange ventilator side. FIG. 3 is a diagram showing a configuration of a conventional air conditioner. FIG. 4A is a diagram illustrating a state of the chamber when the indoor air conditioner and the heat exchange type ventilator are operated together. FIG. 4-2 is a diagram illustrating a state of the chamber when the indoor air conditioner is operated and the heat exchange type ventilator is stopped. FIG. 4-3 is a diagram illustrating a state of the chamber when the indoor air conditioner is stopped and only the heat exchange type ventilator is operated. FIG. 5A is a diagram illustrating the operation of the shutter in the Y-shaped chamber. FIG. 5B is a diagram illustrating the operation of the shutter in the Y-shaped chamber. FIG. 5C is a diagram illustrating the operation of the shutter in the Y-shaped chamber. FIG. 6 is a diagram illustrating a configuration of a chamber having an electric mechanism that electrically controls opening and closing of the shutter. FIG. 7 is a diagram showing a connection example when a plurality of chambers are used in parallel.

  Embodiments of an air conditioner according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment.
FIG. 1 is a diagram showing a configuration of an embodiment of an air conditioner according to the present invention. The air conditioner according to the embodiment includes a heat exchange ventilator 1, an indoor air conditioner 8, and a chamber 13. The heat exchange ventilator 1 includes an air supply fan 3 that sucks outside air through the heat exchanger 2 and an exhaust fan 4 that discharges indoor air sucked from the room through the exhaust duct 6 to the outside. The indoor air conditioner 8 includes an indoor heat exchanger 9 and a circulation fan 10, and performs air conditioning while circulating room air through the circulation duct 11 and the circulation duct 12. The outside air that has passed through the outside air duct 5 of the heat exchange ventilator 1 and the room air that has passed through the circulation duct 12 of the indoor air conditioner 8 can be mixed in the chamber 13 and supplied to the room. That is, the air conditioner joins the air path of the outside air sent out from the heat exchange type ventilator 1 to the room side and the air path of the room air sent out from the room air conditioner 8 to the room side, and circulates. A chamber 13 is provided as a wind path merging portion that is sent into the room through the duct 16. The chamber 13 includes a shutter (first shutter) 15 on the indoor air conditioner 8 side and a shutter (second shutter) 14 on the heat exchange ventilator 1 side.

  The operation of the shutter 15 on the indoor air conditioner 8 side and the shutter 14 on the heat exchange ventilator 1 side will be described. FIG. 2 is a diagram illustrating operations of the shutter 15 on the indoor air conditioner 8 side and the shutter 14 on the heat exchange ventilator 1 side. The shutters 14 and 15 provided in the chamber 13 are opened by wind pressure with respect to forward wind flow. On the other hand, against the flow of wind in the opposite direction, the shutters 14 and 15 come into contact with the stopper 19 so as to shield the wind. When there is no wind, the shutters 14 and 15 come into contact with the stopper 19 with their own weight to close the air path in the chamber 13. The structure of the chamber 13 having the shutters 14 and 15 can be realized with a simple configuration that does not require a power supply wire.

  For comparison, a conventional air conditioner will be described. FIG. 3 is a diagram showing a configuration of a conventional air conditioner. The conventional air conditioner includes a heat exchange ventilator 31, an indoor air conditioner 38, and a chamber 37. The heat exchange ventilator 31 has an air supply fan 33 that sucks in outside air via a heat exchanger 32 and an exhaust fan 34 that discharges indoor air to the outdoors. The indoor air conditioner 38 includes an indoor heat exchanger 39 and a circulation fan 40, and performs air conditioning while circulating room air through the circulation duct 36 and the circulation duct 41.

  The outside air duct 35 and the circulation duct 41 are merged in a chamber 37 on the upstream side of the indoor air conditioner 38 and supplied to the room via the circulation duct 42.

  In the conventional air conditioner, the heat exchange ventilator 31 cannot be operated in a state where the indoor air conditioner 38 is stopped, and there is a possibility that it is difficult to constantly ventilate.

  Operation | movement of the air conditioning apparatus concerning this Embodiment is demonstrated. FIG. 4A is a diagram illustrating a state of the chamber 13 when the indoor air conditioner 8 and the heat exchange type ventilation device 1 are operated together. The shutter 15 on the indoor air conditioner 8 side and the shutter 14 on the heat exchange ventilator 1 side are both open with respect to the wind direction from the circulation duct 12 and the outside air duct 5. As a result, the room air that has passed through the circulation duct 12 and the outside air that has passed through the outside air duct 5 are mixed and supplied to the room.

  FIG. 4B is a diagram illustrating the state of the chamber 13 when the indoor air conditioner 8 is operated and the heat exchange ventilator 1 is stopped. Since only the indoor air conditioner 8 is operating, the shutter 14 on the heat exchange ventilator 1 side is arranged to prevent air from entering the outside air duct 5 from the circulation duct 12. As a result, since air is circulated directly from the indoor air conditioner 8 into the room, only air conditioning can be performed. This operation method can prevent a temperature drop caused by mixing outside air and circulating air in the chamber 13 when the outside air temperature in winter is low, and can reduce the heating load.

  FIG. 4-3 is a diagram illustrating the state of the chamber 13 when the indoor air conditioner 8 is stopped and only the heat exchange ventilator 1 is operated. Since only the heat exchanging ventilator 1 is operating, the shutter 15 on the indoor air conditioner 1 side is arranged to prevent air from entering the circulation duct 12 from the outside air duct 5. As a result, ventilation is possible by supplying air directly from the heat exchange ventilator 1 into the room. This operation method can solve the conventional problem that ventilation by the heat exchange ventilator 1 cannot be performed unless the indoor air conditioner 8 is operated in an intermediate period in which air conditioning by air conditioning is unnecessary.

  As the chamber 13, a Y-shaped chamber can be used for performing the same operation in addition to the T-shaped chamber shown in FIGS. 4A to 4C. 5A to 5C are diagrams illustrating the operation of the shutter in the Y-shaped chamber. FIG. 5A shows a state of the chamber 13 when the indoor air conditioner 8 and the heat exchange type ventilation device 1 are operated together. FIG. 5-2 shows the state of the chamber 13 when the indoor air conditioner 8 is operated and the heat exchange ventilator 1 is stopped. FIG. 5-3 shows the state of the chamber 13 when the indoor air conditioner 8 is stopped and only the heat exchange ventilator 1 is operated. By making the chamber 13 trifurcated, the shutters 14 and 15 are naturally opened and closed in accordance with the wind pressure, and thus can be realized with a simple configuration.

  FIG. 6 is a diagram illustrating a configuration of a chamber having an electric mechanism that electrically controls opening and closing of the shutter. The shutter 15 on the indoor air conditioner 8 side in the chamber 13 and the shutter 14 on the heat exchange ventilator 1 side are electrically connected to the electric mechanism 17 and can control the operations of the shutters 14 and 15.

  By providing the electric mechanism 17, when the shutter 14 on the heat exchange ventilator 1 side is fully opened and the shutter 15 on the indoor air conditioner 8 side is moved to reduce the opening area in the pipe, the air volume from the outside air duct 5 It is possible to increase the ratio. This is an operation method effective when it is desired to promote ventilation by the heat exchange type ventilation device 1.

  Moreover, intermittent operation | movement of ventilation is possible by opening and closing the shutter 14 by the side of the heat exchange type ventilation apparatus 1 for every fixed time in the state which opened the shutter 15 by the side of the indoor air conditioner 8. FIG. Heating load can be reduced by performing intermittent operation when the outside air temperature in winter is low.

  FIG. 7 is a diagram showing a connection example when a plurality of chambers 13 are used in parallel. 1 is different from the configuration shown in FIG. 1 in that a plurality of chambers 13 are connected in parallel to supply air to a plurality of rooms via a circulation duct 16. By providing the electric mechanism 17 in each chamber 13, the ventilation amount and the air conditioning ratio in each room can be adjusted.

  The air conditioner according to the present embodiment includes a heat exchange ventilator 1 having an air supply fan 3 that sucks outside air through a heat exchanger 2 and an exhaust fan 4 that discharges indoor air to the outside, and an indoor heat exchanger. 9 and a circulation fan 10, and an air conditioner 8 including an air conditioner 8 that circulates indoor air through a circulation duct 11 and conditioned the air, passes through the outside air duct 5 of the heat exchange type ventilator 1. Outside air and room air that has passed through the circulation duct 12 of the air conditioner 8 are mixed in the chamber 13 and supplied to the room via the circulation duct 16. When the indoor air conditioner 8 is stopped and the heat exchanging ventilator 1 is operated, the shutter 15 on the indoor air conditioner 8 side in the chamber 13 is closed by the wind pressure of the air that has passed through the outside air duct 5. Only the shutter 14 on the ventilator 1 side is in an open state, and ventilation of room air is possible.

  In addition, when the indoor air conditioner 8 is operated and the heat exchange ventilator 1 is stopped, the shutter 14 on the heat exchange ventilator 1 side in the chamber 13 is closed by the wind pressure of the air that has passed through the circulation duct 12. Only the shutter 15 on the indoor air conditioner 8 side is in an open state, and indoor air conditioning is possible.

  As described above, the air conditioner according to the present invention is useful in that the heat exchange ventilator can be operated in a state where only the indoor air conditioner is stopped in an intermediate period in which air conditioning is unnecessary.

DESCRIPTION OF SYMBOLS 1,31 Heat exchange type ventilator 2,32 Heat exchanger 3,33 Air supply fan 4,34 Exhaust fan 5 Outside air duct 6 Exhaust duct 8,38 Indoor air conditioner 9,39 Indoor heat exchanger 10,40 Circulation fan 11, 12, 16, 36, 41, 42 Circulating duct 13, 37 Chamber 14 Shutter (second shutter)
15 Shutter (first shutter)
17 Electric mechanism 19 Stopper

Claims (2)

Heat exchange type that performs heat exchange between the outside air sucked from the outside and the room air sucked from the room, sends the outside air after the heat exchange to the indoor side, and sends the room air after the heat exchange to the outside A ventilation device;
An indoor air conditioner that takes in the indoor air from the room and passes it through an indoor heat exchanger and then sends the indoor air to the indoor side;
The wind path merging that sends the outside air flow path sent out from the heat exchange type ventilator to the indoor side and the room air flow path sent out from the indoor air conditioner to the room side and sends it into the room With
The airway merging section is
A first opening provided when the room air flows from the room air conditioner and closed when the room air does not flow from the room air conditioner. Shutter,
A second portion provided at a connection portion with the heat exchange type ventilator so as to open when the outside air flows from the heat exchange type ventilator and to close when the outside air does not flow from the heat exchange type ventilator. With a shutter ,
The first shutter is closed by drooping under its own weight, and is installed so as to be opened by the wind pressure of the indoor air sent from the indoor heat exchanger to the indoor side,
The air conditioner characterized in that the second shutter is closed by being suspended by its own weight, and is opened by the wind pressure of the outside air sent out indoors from the heat exchange type ventilator . The air conditioner according to claim 1 , wherein the air passage merging portion has a tridental shape.

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