KR940004951Y1 - Combustion apparatus - Google Patents

Abstract

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Description

Combustion device

1 to 3 is a view showing an embodiment of the present invention, Figure 1 is a schematic diagram of a warm water heating air conditioner.

2 is a plan view of the hot water heating device.

3 is a partial cross-sectional view of an outdoor unit case including a second class mechanism.

* Explanation of symbols for main parts of the drawings

1: Hot water heating air conditioner (combustion device) 12: Casing

17: combustor 24: combustion chamber

26: outdoor heat exchanger for heating 38: first class appliance

35: 2nd class mechanism 41: drip container

The present invention relates to a combustion device.

For example, in a combustion apparatus such as a hot water heater and a hot water heater, a water reservoir for receiving water droplets attached to the outer surface of the heat exchanger is installed at a lower part of the heat exchanger for exchanging water and combustion gas.

The water droplets falling into the drip tray are discharged from the drain opening opening to the side of the casing.

By the way, in the conventional combustion apparatus, the drain port is provided in the side surface of a casing, etc. in order to discharge the water droplet which fell to the drip container. Therefore, there is a problem in that the cost of the casing becomes complicated and the drainage port is formed.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a combustion device with a simplified structure of a casing.

The present invention provides a combustion chamber for combusting fuel, a heat exchanger for heat-exchanging air and water heated by combustion in the combustion chamber, and a combustion chamber for accommodating the combustion chamber and the heat exchanger and simultaneously supplied to the combustion chamber. A casing having an air supply port for injecting air, and a drip container installed at a lower portion of the heat exchanger in the casing to receive water droplets falling from the heat exchanger side; Installed to extend until the water droplets dropped in the drip tray is a technical means to discharge from the air supply.

Combustion device of the present invention made of the above configuration is to discharge the water droplets dropped in the drip container from the air supply formed in the casing. That is, since the air supply port also serves as a drain hole for water droplets, there is no need to provide a dedicated drain hole for discharging water droplets as in the prior art.

Therefore, the structure of the casing can be simplified and the cost of eliminating the drainage port can be reduced.

Next, an embodiment of a hot water heating air conditioner to which the combustion device of the present invention is applied will be described with reference to the drawings.

1 is a schematic diagram of a hot water heating air conditioner.

The hot water heating type air conditioner 1 of this embodiment is comprised of the cooling device 2 which performs room cooling by circulation of a refrigerant | coolant, and the warm water heating device 3 which performs room heating by circulation of hot water.

The cooling device 2 is constituted by a known refrigeration cycle consisting of a refrigerant compressor 6, a refrigerant condenser 5, a capillary tube 6, a refrigerant evaporator 7 and an accumulator 8, wherein each of the functional parts is It is annularly connected by the refrigerant pipe 9.

The refrigerant compressor (4), the refrigerant condenser (5), the capillary tube (6) and the accumulator (8) are partitioned in two stages by the partition plate (11) together with the blowing fan (10) for blowing air to the refrigerant condenser (5). It is housed in the lower end side of the outdoor unit case (casing of the present invention) 12.

In addition, the refrigerant evaporator (7) is housed in the indoor unit case (15) together with an indoor fan (13) for blowing air conditioning air into the room and an indoor heat exchanger (14) for heating.

In addition, the refrigerant extruder 4, the blowing fan 10, and the indoor fan 13 are energized and controlled through the control circuit 16 (see FIG. 2) provided in the outdoor unit case 12.

The hot water heating device 3 includes a combustor 17, a heating indoor heat exchanger 14 for exchanging indoor air with hot water supplied from the combustor 17 through a hot water pipe 18, a combustor 17, and a heating device. And a pump 19 for circulating hot water between the indoor heat exchangers 14.

The hot water pipe 18 is provided with a pressure tank 20 for reducing the pressure when the pressure in the hot water pipe 18 rises, and the pressure tank 20 is provided with a storage tank via an overflow pipe 21. (22) is connected. The combustor 17, the pump 19, the pressure tank 20 and the storage tank 22 are accommodated in the upper end side of the outdoor unit case 12.

The combustor 17 is heated by combustion in the combustion chamber 24 having a burner 23 for combusting combustion gas, a blower 25 for supplying combustion air to the burner 23, and a burner 23. It consists of a heating outdoor heat exchanger (26) for exchanging air (combustion gas) and water, the heating outdoor heat exchanger (26) is annularly connected to the heating indoor heat exchanger (14) through a hot water pipe (18). have.

The outdoor heat exchanger 26 for heating is formed by attaching a plurality of heat transfer fins 26b to the outer periphery of the water pipe 26a connected to the hot water pipe 18, and has a cylindrical body 27 having a rectangular cross section. 2).

The cylinder 27 is provided so as to communicate with the combustion chamber 24 at the other end side (right end side of FIG. 2) of the cylinder 27, and one end side of the cylinder 27 carries combustion gas as shown in FIG. An exhaust lid 28 is formed to form an exhaust cylinder 28a for discharging.

The combustion chamber 24 is formed in the combustion case 29 which accommodates the burner 23, and one end side (left end side of FIG. 2) of this combustion case 29 is connected with the other end side of the said cylinder 27. As shown in FIG. . In addition, the discharge port 25a of the blower 25 is connected to the other end side of the combustion case 29. In addition, a sparker 30 as an ignition device for the burner 23 and a frame rod 31 as a flame detection means are attached to the combustion case 29 so as to be located near the burner 23 and the flame port.

The burner 23 is connected to a gas pipe 32 for supplying fuel gas, which is connected to the gas pipe 32 by an original solenoid valve 33 and a kettle that allow fuel gas to pass through when energized from an upstream side. A main valve 34 and a governor proportional valve 35 for controlling the supply pressure of the fuel gas by controlling the supply pressure are provided.

The blower 25, the sparker 30, the solenoid valve 33, the kettle valve 34, and the governor proportional valve 35 are energized and controlled through the control circuit 16, respectively.

The combustor 17 includes a combustion case for forming a cylinder 27 and a combustion chamber 24 for accommodating a heating outdoor heat exchanger 26 in the outdoor unit case 12 in order to lower the height of the outdoor unit case 12 ( 29) and the blower 25 are provided side by side so as to be arranged laterally (horizontal direction) in order. Moreover, the pump 19 which has a comparatively large external shape is provided toward the lower end side of the outdoor unit case 12. As shown in FIG.

In addition, since the horizontal width (long direction) of the outdoor unit case 12 is determined by the arrangement of the refrigeration cycle, the outdoor outdoor heat exchanger 26, the combustion chamber 24, and the blower 25 for heating the combustor 17 are installed laterally. Even if arranged in such a manner, the width of the outdoor unit case 12 does not increase.

The hot water pipe 18 is provided with a first inlet 36 for pressurizing water into the hot water pipe 18 by an external pump (not shown). In addition, in the present embodiment, the outdoor unit has a second inlet 37 which can inject water directly into the pressure tank 20 separately from the first inlet 36 so that water can be injected without using an external pump. It is provided so that it may open to the side of the case 12.

In addition, when water is pressurized using an external pump at the first inlet 36, the pump 19 installed in the hot water pipe 18 is intermittently operated through the control circuit 16 according to the injection (for example, 6). Second operation, stop for 4 seconds), and continuously run after a fixed time or a certain amount of injection.

In addition, when injecting from the second inlet 37 using a kettle or the like, the pump 19 is injected while intermittently operating until the end (until the injecting is finished).

In this way, the air in the hot water pipe 18 can be effectively discharged according to the intermittent operation of the pump 19.

The pressure tank 20 is provided with a pressure cap 20a for opening the overflow pipe 21 when the pressure in the pressure tank 20 rises to a predetermined pressure. Therefore, as the pressure in the pressure tank 20 rises and the pressure cap 20a opens the overflow pipe 21, the hot water in the pressure tank 20 passes through the overflow pipe 21 and the storage tank ( It is introduced in 22). When the temperature of the hot water circulating in the hot water pipe 18 drops and the internal pressure of the pressure tank 20 decreases, the hot water introduced into the storage tank 22 flows back into the pressure tank 20.

The indoor unit case 15 is wall-mounted, and the air inlet 15a of the indoor air is formed on the upper side, and the outlet 5b of the air conditioning air is formed on the lower side of the front surface. A control panel (not shown) for operating the hot water heating type air conditioner 1 through the control circuit 16 is provided across the discharge port 15b.

This embodiment has a remote control unit (not shown) for performing remote control in addition to this control panel.

The control panel and the remote control unit are provided with operation switches (not shown) for starting and stopping the hot water heating air conditioner 1, and room temperature setting volumes (not shown) for setting the room temperature.

As shown in FIG. 2, the control circuit 16 is provided on the upper rear wall surface (the upper wall surface of FIG. 2) of the outdoor unit case 12. As shown in FIG.

The outdoor unit case 12 has air inlets 12a for inhaling air by the operation of the blowing fan 10 on the side and the rear of the lower side than the partition plate 11, and the air outlet on the front of the lower side. (Not shown) is formed. In addition, two air inlets 38 and 39 are formed on the rear surface of the upper side than the partition plate 11 to blow in the combustion air by the operation of the blower 25, as shown in FIG. The exhaust port 12b for discharging the combustion gas from the exhaust cylinder 28a is formed in the front surface of the side.

Inside the outdoor unit case 12, as shown in FIG. 2, a combustion case 29 and a control circuit (between the first class mechanism (right side of FIG. 2) 38 and the second class mechanism 39) are shown. An induction shielding plate 40 is disposed to extend to the blower 25 through the space between 16.

The induction shielding plate 40 is installed to guide the combustion air blown from the first air supply mechanism 38 into the control circuit 16 by the operation of the blower 25. Accordingly, the control circuit 16 is cooled by receiving the blowing air of the combustion air flowing along the induction shielding plate 80 from the first air supply mechanism 38.

In addition, when the operation of the blower 25 is stopped, the induction shielding plate 40 is provided by partitioning the combustion chamber 24 side and the control circuit 16 side, so that the low temperature (combustion chamber 24) is achieved from the combustion chamber 24 side which is high temperature. Air flow to the control circuit 16, which is the

Therefore, even if the operation of the blower 25 is stopped and the control circuit 16 cannot be cooled by the blowing of combustion air, the movement of heat from the combustion chamber 24 side to the control circuit 16 side can be suppressed. Therefore, the influence of the control circuit 16 by the heat remaining on the combustion chamber 24 side can be made small.

In addition, the combustion air blown in from the second air supply mechanism 39 passes through the cylinder 27 accommodating the heating outdoor heat exchanger 26 and between the upper wall surface of the outdoor unit case 12 and the partition plate 11. It is sucked into the blower 25.

In addition, the lower part of the cylinder 27 for receiving the heating outdoor heat exchanger 26 in the interior of the outdoor unit case 12, the drip container for receiving water droplets attached to the outer surface of the cylinder 27 and the hot water pipe 18. 41 is provided.

As shown in FIG. 3, the drip container 41 is lifted higher than the other end side (left side of FIG. 3) so that it may incline with respect to the partition plate 11. As shown in FIG. One end of the drip container 41 is provided to extend to the second air supply mechanism 39.

Therefore, the water droplets falling on the drip container 41 flow to one end side of the drip container 41 and are discharged from the second air supply mechanism 39. In other words, the second grade mechanism 39 also serves as a drain hole for water droplets, and a dedicated drain hole is not provided.

The operation of this embodiment will be briefly described below.

(A) In the case of cooling operation

The refrigerant compressed by the refrigerant compressor (8) is liquefied by the refrigerant condenser (5), and then depressurized in the capillary tube (6) and sent to the refrigerant evaporator (7) installed in the indoor unit case (15).

The air cooled by heat exchange with the refrigerant in the refrigerant evaporator 7 is discharged into the room by the indoor fan 13 to cool the room.

(B) In the case of heating operation

By burning the burner 23 and operating the pump 19 at the same time, the water passing through the water pipe 26a of the outdoor heat exchanger 26 for heating is heated and made of hot water in the indoor unit case 15. It is supplied to the installed indoor heat exchanger (14).

Then, the air heated by heat exchange with the hot water in the indoor heat exchanger 14 for heating is discharged to the room by the indoor fan 13 to heat the room.

As described above, in the warm water heating air conditioner 1 of the present embodiment, one end of the drip tray 41 is installed to extend to the second air supply mechanism 39 to discharge water droplets from the second air supply mechanism 39. It is structure to let. That is, the second air supply mechanism 39 also serves as a drain hole for water droplets, and a dedicated drain hole like the conventional apparatus is not provided.

Therefore, since the structure of the outdoor unit case 12 is simplified compared with the related art, the process of forming the drainage port is eliminated, thereby reducing the cost.

The combustion device of the present invention is applied to the hot water heating type air conditioner 1 in combination with the air conditioner 2, but may be configured as the hot water heater 3 shown in the embodiment or as a hot water heater.

In addition, although the outdoor outdoor heat exchanger 26, the combustion chamber 24, and the blower 25 which comprise the combustor 17 are arrange | positioned horizontally in order to make the height of the outdoor unit case 12 low, general vertical arrangement may be sufficient.

Claims (1)

A combustion chamber 24 for burning fuel, a heat exchanger 26 for exchanging heat and air heated by the combustion in the combustion chamber 24, and the combustion chamber 24 and the heat exchanger 26; A combustion apparatus comprising a casing (12) having an air supply (39) for blowing combustion air supplied to the combustion chamber (24) at the same time, the lower part of the heat exchanger (26) in the casing (12). And a drip container 41 for receiving water drops falling from the heat exchanger 26 side and installed at one end of the drip container 41 so as to extend to the air supply port 39. Combustion apparatus characterized in that for discharging the water droplets dropped in the container (41) from the air supply (39).