JPH04236019A - Heat exchanging device - Google Patents

Abstract

PURPOSE:To enable a heat exchanging device to be connected to a plurality of floor heaters and to enable the width size for installing both the first connector and the second connector to be reduced by providing the heat exchanging device having the first connector to which a pipe for an air heater is connected and the second connector to which pipes of floor heaters are connected and hot water of different temperatures can be circulated in the air heater and the floor heaters. CONSTITUTION:The first connectors 7, 8 and the second connectors 5, 6 are arranged in their longitudinal directions, thereby the width sizes of installing these connectors 7, 8, 5 and 6 are restricted low and the second connectors 5 and 6 are provided with a plurality of connection ports 5a, 5b, 6a and 6b to which a plurality of pipes 12 to 15 are connected while being displaced in a horizontal direction in respect to the connection ports 5a and 6a of the first connectors 5 and 6 and thus a plurality of pipes 12 to 15 for a plurality of floor heaters 10 and 11 can be connected.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchange unit equipped with a connecting fitting to which piping of an air heater is connected to one side of the unit body and a fitting to which piping of a floor heater is connected. .

0002

2. Description of the Related Art A conventional example of this type of heat exchange unit is one filed by the present applicant as Japanese Patent Application No. 1-175377.

[0003] The heat exchange unit described in this application comprises:
A pair of fittings for hot water outflow and hot water inflow are provided so as to protrude from the side of the unit body, and at the bottom of these fittings there is a connection port to which the piping of the air heater is connected, and a connection port for the floor heating A connection port is provided to which the pipes of the device are connected.

[0004] Also, two pairs of connectors are arranged in a staggered manner on one side of the unit body, and these connectors are provided with connection ports facing downward, so that the connectors are arranged so that multiple hot water pipes do not overlap. There are also heat exchange units that allow hot water piping to be connected to the connection ports. A cover that covers the connector is generally attached to one side of the heat exchange unit.

[0005]

[Problems to be Solved by the Invention] In the heat exchange unit proposed by the present applicant, hot water of the same temperature is divided by providing two connection ports in one connection fitting.

[0006] For this reason, even if it was desired to make the temperature of the hot water flowing through the air heater higher than the temperature of the hot water flowing through the floor heater to perform heating with the air heater, this was not possible.

[0007]Furthermore, a heat exchange unit in which two pairs of connectors are arranged in a staggered manner has the disadvantage that the width of the connectors becomes large, which in turn increases the size of the cover and the unit.

Furthermore, both heat exchange units have the disadvantage that a plurality of floor heaters cannot be connected to them.

[0009] This invention not only allows hot water of different temperatures to be circulated between the air heater and the floor heater, but also allows multiple floor heaters to be connected, and the width dimension for arranging the connectors is small. A heat exchange unit is provided.

0010

[Means for Solving the Problems] The present invention provides an air heater on one side of a unit body having a heater, a heat absorber heated by the heater, and a pump for circulating hot water in the heat absorber. In the heat exchange unit, the first connector and the second connector are connected in the vertical direction, and the second connector is connected to the pipe of the floor heater. The second connectors are arranged side by side, and the second connectors are provided with a plurality of connection ports connected to the pipes of the plurality of floor heaters, which are offset from the connection ports of the first connector.

[0011]

[Function] This heat exchange unit is equipped with a first connector to which the piping of the air heater is connected and a second connector to which the piping of the floor heater is connected. In a heat exchange unit capable of circulating hot water of different temperatures to a heater, the first connector and the second connector are arranged vertically, and the second connector has a plurality of floor heaters. Since the plurality of connection ports connected to the pipes of the device are provided offset from the connection port of the first connection device, the width dimension for installing both of the connection devices can be kept small, and the plurality of floor heating You can connect the pipes of the device.

0012

[Embodiment] An embodiment of the present invention will be explained based on the drawings.

FIG. 1 is a perspective view of the heat exchange unit, FIG. 2 is a side view of the main parts of the heat exchange unit, FIG. 3 is a front view of the main parts of the heat exchange unit, and FIG. 4 is a main part of the heat exchange unit. FIG.

Reference numeral 1 denotes a heat exchange unit installed outside the room, inside of which there is a heater 2 (described later), a heat absorber 3 that heats hot water such as antifreeze inside the heat absorber, and a heat absorber 3 that heats hot water such as antifreeze inside the heat absorber. A circulation pump 4 for circulating is housed.

Reference numerals 5, 6, 7, and 8 are connectors attached to one side 9 of the heat exchange unit 1, and 5 and 6 are the pipes 12, 13, and 2 of the floor heaters 10 and 11 using hot water mats, respectively. 14
, 15 are the second connectors to be connected.

Further, 7 and 8 refer to the heat exchange unit 1 on the indoor side.
This is the first connector to which the pipes 17 and 18 of the air heater 16 in the air heater 9 are connected.

The first connectors 7, 8 are provided with connection ports 7a, 8a facing downward, and the second connectors 5, 6 are provided with connection ports 7a, 8a that are horizontally shifted from the connection ports 7a, 8a. Connection ports 5a, 5b, 6a, and 6b are provided at the positions.

Reference numeral 20 indicates an outlet for air that cools the outdoor heat exchanger, 21 indicates an intake port for combustion air, and 22 indicates an exhaust port for combustion gas.

23 is the first connector 7, 8 and the second connector 5,
6 and is removably screwed.

Reference numerals 24 and 25 are connectors to which the refrigerant pipes of the air heater 16 are connected, and are provided on one side 9 of the unit body 26.

40 shown in FIG. 5 is an air conditioner composed of a heat exchange unit 1 and an indoor heat exchange unit 19,
Between these units is a refrigerant pipe (not shown) and a pipe 17,
18, and can perform cooling, heating, and dehumidifying operations.

A hot water circuit 28 is constructed by connecting a heat absorber 3, a heat radiator 16, a pressure tank 27, and a circulation pump 4 in an annular manner.

29 is a temperature detector for detecting the hot water outlet temperature of the heat absorber 3, 30 is a drain tank, 31 is an air vent valve, 32 is a gas proportional valve provided in the gas supply path 33, and 34 is a gas solenoid valve. .

Although not shown, an accumulator, a compressor, an outdoor heat exchanger, and a capillary tube are connected to the air heater 16 in an annular manner. It is stored.

Furthermore, although not shown, the air heater 16 is composed of heat radiation fins and heat transfer tubes passing through the fins, and the heat transfer tubes of the refrigerant circuit are connected to the heat radiation fins on the upstream side of the air flow path. However, the heat transfer tube of the hot water circuit 28 passes through the radiation fins on the downstream side of the air flow passage, and the air heater 16 is also used as an air cooler.

A bypass pipe 35 connects the outlet side of the heat absorber 3 and the inlet side of the pressure tank 27, and this pipe has a diameter smaller than that of the pipe used in the hot water circuit 28. .

Therefore, a portion of the hot water heated by the heat absorber 3 is guided to the inlet side of the pressure tank 27 through the bypass pipe 35.

In the heat exchange unit 1 configured as described above, the first connectors 7, 8 to which the pipes 17, 18 are connected, and the second connectors 6, to which the pipes 12, 13, 14, 15 are connected.
7 is provided on one side 9 of the unit body 26, and the hot water that has passed through the heat absorber 3 in the heat exchange unit 1 and the heat absorber 3 are
The room can be heated by circulating the hot water that does not pass through the air heater 16 and the floor heaters 10 and 11 separately.

Moreover, the first connectors 7, 8 and the second connectors 5
, 6 are arranged side by side in the vertical direction, the width dimension in which both the connecting devices 7, 8, 5, and 6 are installed can be kept small.

Furthermore, the second connectors 5, 6 are provided with a plurality of connection ports 5a, 5b, 6a, 6b, which are horizontally shifted from the connection ports 7a, 7b of the first connectors 7, 8, respectively. By this, the piping 12 of the two floor heaters 10, 11,
13, 14, 15 can be connected, and two floor heaters 10,
11 can be used simultaneously or selectively.

[0031]

As explained above, according to the present invention, in a heat exchange unit that is equipped with a first connector and a second connector and is capable of circulating hot water of different temperatures, the first connector and the second connector are arranged vertically side by side,
Since the second connector is provided with a plurality of connection ports connected to the pipes of the plurality of floor heaters, which are offset from the connection ports of the first connector, the width dimension in which both the connectors are installed can be made small. This can prevent the heat exchange unit from increasing in size, and also allows the use of a plurality of floor heaters by connecting the pipes of the plurality of floor heaters.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a heat exchange unit of the present invention.

FIG. 2 is a side view of essential parts of the heat exchange unit.

FIG. 3 is a front view of main parts of the heat exchange unit.

FIG. 4 is a bottom view showing the main parts of the heat exchange unit.

FIG. 5 is a hot water circuit diagram of an air conditioner using the same heat exchange unit.

[Explanation of symbols]

1 Heat exchange unit 2 Heater 3 Heat absorber 4 Circulation pump 5, 6 Second connection tool 5a, 5b, 6a, 6b connection port 7, 8 First connection tool 7a, 8a connection port 9. One aspect 10,11 Floor heater 12, 13, 14, 15 Piping 16　Air heater 17,18 Piping 26 Unit body

Claims (1)

[Claims] Claim 1: A first unit to which piping of an air heater is connected to one side of a unit body that includes a heater, a heat absorber heated by the heater, and a pump that circulates hot water in the heat absorber. The second connector is connected to the connector and the floor heater piping.
In the heat exchange unit, the first connector and the second connector are arranged vertically side by side, and the second connector is arranged in a vertical direction.
1. A heat exchange unit characterized in that the connector has a plurality of connection ports connected to the pipes of the plurality of floor heaters, which are offset from the connection ports of the first connector.