KR20180007378A - Hybrid water heater - Google Patents

Abstract

The present invention relates to a hybrid water heater which is able to make high-temperature combustion gas generated in a combustion chamber pass through by using a plurality of exhaust pipes combined with penetrating holes of a plurality of columns and a plurality of rows, to improve the contact area between water and the high-temperature combustion gas and heat exchanger efficiency, and to make it possible to manufacture a small-sized heat exchanger. To this end, according to the present invention, the hybrid water heater comprises: a water supply unit which has a supply pipe into which one side water is introduced and through which the other side water is supplied; a driving unit which includes: a body combined with the other side of the supply pipe to introduce water; a distribution tank accommodated in the body to disperse water; a combustion chamber combined with the inside of the distribution tank to heat water; and a plurality of exhaust pipes to discharge combustion gas generated in the combustion chamber to the outside of the body; a drain unit which has a drain pipe combined with the body to discharge heated water; and a control unit connected to one or more of the supply pipe and the drain pipe to control an internal pressure of the body, to control a flow rate and a temperature of water, and to control the supply or the discharge of water. The control unit includes a control part which sets and controls the water temperature and internal pressure of the body.

Description

Hybrid water heater

The present invention relates to a hybrid water heater, and more particularly, to a hybrid water heater which is capable of improving the efficiency of a heat exchanger by improving the contact area between used water and high temperature combustion gas by passing combustion gas generated in the combustion chamber through a plurality of exhaust pipes And a hybrid water heater capable of manufacturing a small-sized compact heat exchanger.

Recently, as the use of energy in the global village has increased, incidental problems such as environmental pollution have occurred frequently. In order to solve these problems, development of environmentally friendly alternative energy has been promoted worldwide.

However, since it is difficult to change the current use of chemical energy at present, there are various studies to improve the efficiency of energy use equipment as a solution to the problems of environmental pollution, The study of the economic effect of

As a result of this research, various kinds of high efficiency heat exchangers have been proposed to increase the heat transfer efficiency of thermal efficiency of gas appliances such as a boiler or a water heater for heating.

Generally, a method of increasing the heat transfer area to increase the efficiency of the heat exchanger is used. In the past, a plurality of heat exchanging routes have been additionally disposed. However, this increases the volume of the heat exchanger. In addition, there is a problem that the path between the inlet port and the outlet port becomes longer due to the additional heat exchange route, thereby increasing the loss of the used water pressure.

Further, in the production of a high efficiency heat exchanger, there is no problem of generation of condensed water in a low efficiency heat exchanger, but there is a problem that condensed water is generated in a high efficiency heat exchanger and heat exchange efficiency is reduced in condensed water.

Particularly, the conventional one-pass condensing heat exchanger has a disadvantage in that the volume becomes large based on the flow direction of the used water. In addition, the two-path condensing heat exchanger has a disadvantage in that the flow path has to be formed through a plurality of welding processes, which complicates the manufacturing process and is vulnerable to corrosion, shortening the service life.

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and it is a first object of the present invention to provide an exhaust gas purifying apparatus and an exhaust gas purifying apparatus, And to provide a hybrid water heater capable of improving the efficiency of the heat exchanger by improving the contact area between the water used and the high-temperature combustion gas, and manufacturing a compact heat exchanger.

A second object of the present invention is to provide a two-path condensing heat exchanger structure and a cylindrical combustion chamber having a simple structure without bending of the column surface, thereby greatly reducing the welding process, To provide a water heater.

According to an aspect of the present invention, there is provided a water supply unit comprising: a water supply unit having a supply pipe into which usage water is introduced to one side and a supply pipe to which usage water is supplied to the other side; A distribution passage which is accommodated in the inside of the body and disperses the used water, a combustion chamber which is coupled to the inside of the distribution cylinder and which heats the used water, and a combustion gas generated in the combustion chamber, A drive unit including a plurality of exhaust pipes formed to be discharged to the outside; A drainage unit coupled to the body and having a drain pipe for discharging heated water; And a control unit connected to at least one of the supply pipe and the drain pipe to adjust the internal pressure of the body, to adjust the flow rate and temperature of the used water, and to control supply or discharge of the used water, And a control unit for setting and controlling the water temperature and the internal pressure of the body.

In the present invention, an opening is formed in the upper part of the distribution cask so that the used water heated in the combustion chamber is moved. In the lower part of the distribution cask, a plurality of distribution holes are formed, An inlet may be formed to flow into the combustion chamber.

In the present invention, the combustion chamber includes a burner for heating the used water, a plate for sealing the combustion cylinder by being connected to the lower portion of the combustion passage and the combustion passage for accommodating the burner, Which may include a turbo fan.

In addition, in the present invention, the combustion pipe is provided with a combustion gas discharge hole through which one side of the exhaust pipe is coupled and the combustion gas generated from the burner is discharged, and the other side of the exhaust pipe is connected to the plate to discharge the combustion gas A discharge hole may be formed.

In the present invention, the exhaust pipe may be formed in a shape of 'H' 'and arranged radially with respect to the plane direction.

In the present invention, the exhaust pipe may be provided with a turbulent flow generating portion for minimizing the discharge speed of the combustion gas.

In the present invention, the control unit may further include a decompression unit connected to the supply pipe to regulate the internal pressure of the body.

Further, in the present invention, the depressurization portion may further include a depressurized pressure sensor connected to the supply pipe for measuring the pressure of the used water, and a depressurizing valve connected to the depressurized pressure sensor to adjust the internal pressure of the body.

In the present invention, the control unit may further include a flow rate adjusting unit connected to the supply pipe to adjust the flow rate of the used water.

The flow rate control unit may further include a flow rate control temperature sensor connected to the other side of the supply pipe to measure the temperature of the used water and a flow rate control valve connected to the flow rate control temperature sensor for controlling the flow rate of the used water can do.

In the present invention, the control unit may further include a temperature control unit connected between the supply pipe and the drain pipe to regulate the temperature of the used water.

In addition, in the present invention, the temperature control unit may include a temperature control pipe connecting the supply pipe and the drain pipe, a temperature control sensor coupled to at least one of the temperature control pipe and the drain pipe to measure the temperature of the used water, And a direct water injection valve connected to the control unit and controlling the temperature of the water to be used according to the temperature set in the control unit.

According to the hybrid water heater of the present invention, the high-temperature combustion gas generated in the combustion chamber has a wider contact area through a plurality of exhaust pipes and a two-pass system, thereby improving the heat exchange efficiency of the heat exchanger.

Further, since the path between the inlet and the combustion chamber is short, the present invention has the effect of reducing the loss of the working water pressure.

In addition, the present invention has the effect of minimizing the efficiency reduction of the heat exchanger by matching the falling direction of the condensed water with the traveling direction of the combustion gas even if condensed water is generated in the exhaust pipe.

Further, the present invention has an effect that the positions of a plurality of exhaust pipes are fixed to the combustion chamber to smooth the flow of the used water, and the speed at which the combustion gas is discharged through the turbulent flow generating portion formed in the exhaust pipe is retarded to reheat the used water.

Further, the present invention has the effect that the used water can be intensively heated through the distribution trough and the heat exchange between the heated water heated through the distribution hole formed in the distribution tank and the unused heated water can be performed quickly.

In addition, the present invention includes the control unit and controls the supply and discharge of the used water according to the flow rate and the temperature, thereby minimizing unnecessary combustion gas generation and supply of the used water.

1 is a perspective view of a hybrid water heater according to a preferred embodiment of the present invention.
FIG. 2 is a schematic perspective view showing a combined distribution combustion chamber of the hybrid water heater according to FIG. 1. FIG.
FIG. 3 is a schematic partial perspective view of a combustion chamber and an exhaust pipe of the hybrid water heater according to FIG. 1; FIG.
Figure 4 is a schematic partial cutaway perspective view of the hybrid water heater according to Figure 1;
Figure 5 is a schematic cross-sectional view of the hybrid water heater according to Figure 1;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Here, the constituent elements are denoted by the same reference numerals, and a detailed description thereof will be omitted.

1 is a perspective view of a hybrid water heater according to a preferred embodiment of the present invention.

FIG. 2 is a schematic perspective view showing a combined distribution combustion chamber of the hybrid water heater according to FIG. 1. FIG.

FIG. 3 is a schematic partial perspective view of a combustion chamber and an exhaust pipe of the hybrid water heater according to FIG. 1; FIG.

Figure 4 is a schematic partial cutaway perspective view of the hybrid water heater according to Figure 1;

Figure 5 is a schematic cross-sectional view of the hybrid water heater according to Figure 1;

One. hybrid  Composition of water heater.

The hybrid water heater 100 according to the present invention includes a water supply unit 110, a drive unit 120, a drainage unit 130, and a control unit 140.

The water supply unit 100 has a supply pipe 111 through which the used water W is introduced into one side and the used water W is supplied to the other side.

The driving unit 120 includes a body 121 coupled to the other side of the supply pipe 111 and adapted to receive the used water W and a distributor 122 disposed in the body 121 for dispersing the used water W A combustion chamber 123 for heating the used water W and a plurality of combustion chambers 123 for discharging the combustion gas G generated in the combustion chamber 123 to the outside of the body 121, And an exhaust pipe 124 formed therein.

An opening portion 122-1 is formed in an upper portion of the distribution box 122 to allow the used water W heated in the combustion chamber 123 to move and a used water W is provided in a lower portion of the distribution box 122 An inlet 122-3 may be formed so that the used water W flowing in the supply pipe 111 flows into the combustion chamber 123. In addition,

The combustion chamber 123 is provided with a burner 123a for heating the used water W, a combustion cylinder 123b for accommodating the burner 123a and a combustion cylinder 123b coupled to the lower portion of the combustion cylinder 123b And a turbo fan 123d coupled to the lower portion of the plate 123c and supplying air to the burner 123a.

One side of the exhaust pipe 124 is connected to the combustion cylinder 123b to form a combustion gas discharge hole 123-1 through which the combustion gas G generated in the burner 123a is discharged. And a discharge hole 123-2 through which the other side of the exhaust pipe 124 is coupled to discharge the combustion gas G may be formed.

The exhaust pipe 124 is formed in the shape of an ∩ 'shape, and is arranged radially with respect to the plane direction, and a turbulent flow generating portion 124a is formed to minimize the discharge speed of the combustion gas G.

The drainage unit 130 is connected to the body 121 to form a drain pipe 131 through which heated water W is discharged.

The control unit 140 is connected to at least one of the supply pipe 111 and the drain pipe 131 to adjust the internal pressure of the body 121 and regulate the flow rate and temperature of the used water W, ) To be supplied or discharged.

The control unit 140 includes a control unit 141 for setting and regulating the temperature of the used water W and the internal pressure of the body 121 and a controller 141 for controlling the internal pressure of the body 121 A flow rate control unit 143 connected to the supply pipe 111 to regulate the flow rate of the used water W and a discharge pipe 141 connected between the supply pipe 111 and the discharge pipe 131, And a temperature regulator 144 for regulating the temperature.

The control unit 141 includes an input unit 141-1 for setting a temperature value and a pressure value of the number of uses W and a display unit 141-1 for allowing the user to visually confirm the preset value in the input unit 141-1. 2).

The decompression portion 142 is connected to the supply pipe 111 and connected to the decompression pressure sensor 142-1 to measure the pressure of the used water W, And a pressure reducing valve 142-2 for regulating the pressure of the gas.

The flow rate regulator 143 is connected to the other side of the supply pipe 111 and is connected to a flow rate regulating temperature sensor 143-1 for measuring the temperature of the used water W and a flow rate regulating temperature sensor 143-1 And a flow control valve 143-2 for controlling the flow rate of the used water W.

The temperature regulating unit 144 includes a temperature control pipe 144-1 for connecting between the supply pipe 111 and the drain pipe 131 and a temperature control pipe 144-1 for connecting the temperature control pipe 144-1 or the drain pipe 131 A temperature control sensor 144-2 for measuring the temperature of the used water W and a temperature control sensor 144-2 connected to the temperature control sensor 144-2 and the control unit 141, And a direct injection valve 144-3 for adjusting the temperature of the direct injection valve 144-3.

Further, the hybrid water heater 100 of the present invention further includes a gas valve 150, and the gas valve 150 supplies gas to the burner 123a.

2. hybrid  Driving the water heater.

1 to 5, in the hybrid water heater 100, the water W is moved by the water supply unit 110, and the moved water W is heated by the drive unit 120 , The heated used water W is discharged through the discharge unit 130 according to the temperature or moved to the discharge unit 130 by driving the control unit 140 and discharged to the outside.

In a more detailed description, the water supply unit 110 is formed with a supply pipe 111 to which the used water W is supplied.

The other side of the supply pipe 111 is coupled to the drive unit 120 and is coupled to the body 121 constituting the drive unit 120. The body 121 is hollow, And is formed in a closed cylindrical shape.

A distribution tube 122 is accommodated in the body 121 and an inlet 122-3 which is coaxial with the supply part 111a formed on the other side of the supply tube 111 is formed in the distribution tube 122, The used water W can be heated more by supplying the used water W more intensively to the combustion chamber 123 coupled to the inside of the combustion chamber 123.

A distribution hole 122-2 is formed in a lower portion of the distribution cylinder 122 so that the used water W is discharged to the outside of the distribution cylinder 122 or temporarily stored in the combustion chamber 123 and the distribution cylinder 122, So that the heating time of the used water W can be increased.

The distribution hole 122-2 generates a vortex in the distribution cylinder 122 to prevent accumulation of deposits.

In addition, an open portion 122-1 is formed on the upper portion of the distribution box 122 so that the heated used water W can be moved upward.

The combustion chamber 123 is coupled to the inside of a position spaced apart from the distribution cylinder 122 by a predetermined distance so that the burner 123a and the turbo fan 123-d are driven simultaneously with the operation of the water supply unit 110.

The used water W can be heated once again by the exhaust pipe 124. This is because combustion gas G and heat are generated by driving of the burner 123a and the turbo fan 123d, The gas G partially contains a predetermined temperature generated in the burner 123a and the combustion gas G can heat the exhaust pipe 124 to raise the temperature of the used water W. [

The exhaust pipe 124 is formed with a turbulent flow generating portion 124a to minimize the rate at which the combustion gas G is discharged from the exhaust pipe 124 to maintain the temperature of the exhaust pipe 124.

The turbulent flow generating portion 124a is formed between both side ends of the exhaust pipe 124, and the louver and the ember are formed constantly or irregularly to interfere with the movement of the combustion gas (G).

The combustion gas G is moved to the outside through the discharge hole 123-2 coupled to the other side of the exhaust pipe 124. [

The heated water W is transferred to the drainage unit 130 through a drain pipe 131 coupled to a drain hole 121a formed in the body 121. [

The control unit 140 may include at least one of the depressurization unit 142, the flow rate control unit 143, and the temperature control unit 144.

The decompression unit 142 includes a decompression pressure sensor 142-1 coupled to the supply pipe 111 and a decompression pressure sensor 142-1 coupled to the decompression pressure sensor 142-1 so that the used water W flowing in the supply pipe 111 flows into the body 121, And a pressure reducing valve 142-2 that adjusts the pressure applied to the pressure reducing valve 142-2.

The decompression pressure sensor 142-1 transmits the measured pressure of the used water W to the control unit 141 and the pressure reducing valve 142-2 is driven by the pressure value set in the control unit 141, ) Increases the stability of the internal pressure.

The pressure relief portion 142 may further include a relief pipe 142-3 and a check valve 142-4 to enhance the stability of the pressure of the water supply unit 110 and the drive unit 120. [

The relief pipe 142-3 is coupled to one side and the other side of the supply pipe 111. A pressure reducing valve 142-2 is disposed in the supply pipe 111 to which the relief pipe 142-3 is coupled, And a check valve 142-4 may be coupled to a position where the supply pipe 111 is coupled.

The check valve 142-4 has an upper check valve 142-4a disposed at a position before the used water W has passed through the pressure reducing valve 142-2 and a lower check valve 142-4b in which the use water W is supplied to the pressure reducing valve 142-2, 2, and the pressure value of the upper check valve 142-4a is set to be higher than the pressure value of the lower check valve 142-4b.

The relief pipe 142-3 and the check valve 142-4 are driven when the pressure of the decompression pressure sensor 142-1 is higher than the set pressure of the pressure sensor 142-1, And the internal pressure of the body (121).

The depressurization unit 142 may further include a temperature sensor 142-5 and the temperature sensor 142-5 may be connected to the control unit 141 to control the pressure reducing valve 142 -2).

The flow rate regulator 143 is connected to the supply pipe 111 and regulates the flow rate of the used water W flowing into the body 121 according to the temperature of the used water W.

The flow rate regulating temperature sensor 143-1 measures the temperature of the used water W flowing into the body 121 in conjunction with the controller 141 and controls the flow rate regulating valve 143-2 Is driven to adjust the flow rate of the water W into the body 121.

The flow rate regulator 143 may further include a pressure switch 143-3 and the pressure switch 143-3 may determine the presence of the used water W in the body 121, ) May be adjusted.

Since the pressure switch 143-3 is set by a user and a pressure equal to or higher than a set pressure is applied to the pressure switch 143-3, the used water W flows into the body 121, I will.

The temperature regulating unit 144 may include a temperature regulating pipe 144-1, a temperature regulating sensor 144-2 and a direct injection valve 144-3.

One side of the temperature control pipe 144-1 is connected to a position where the lower check valve 142-4b is disposed in the supply pipe 111 and the other side of the temperature control pipe 144-1 is connected to the drain pipe And is connected to the drain pipe 131.

The temperature control sensor 144-2 is coupled to the other side of the temperature control pipe 144-1 and the direct injection valve 144-3 is connected between the other side of the temperature control pipe 144-1 and the drain pipe 131 Lt; / RTI >

The temperature control sensor 144-2 measures the temperature of the used water W discharged from the drain pipe 131 and transmits the measured temperature to the control unit 141. When the control unit 141 determines that the temperature is higher than the set use water temperature And drives the direct injection valve 144-3.

Next, as the direct injection valve 144-3 is driven, the unheated use water W stored in the temperature control pipe 144-1 is combined with the heated use water W, (W) can be used.

As described above, the present invention is not limited to the above-described embodiments, and various changes and modifications may be made without departing from the scope of the present invention as defined in the appended claims. And such modifications are within the scope of the present invention.

W: Number of uses G: Combustion gas
100: Hybrid water heater 110: Water supply unit
111: supply pipe 111a:
121: Body 122:
122-1: opening portion 122-2: distribution hole
122-3: inlet 123: combustion chamber
123a: burner 123b: communication
123c: Plate 123d: Turbo fan
123-1: combustion gas discharge hole 123-2: discharge hole
124: exhaust pipe 124a: turbulent flow generator
130: drainage unit 131: drainage pipe
140: control unit 141:
142: Pressure reducing section 142-1: Pressure reducing pressure sensor
142-2: Pressure Reducing Valve 143: Flow Control Unit
143-1: Flow regulating temperature sensor 143-2: Flow regulating valve
143-3: Pressure switch 144: Temperature control section
144-1: Temperature control tube 144-2: Temperature control sensor
144-3: Direct injection valve 150: Gas valve

Claims (12)

A water supply unit 110 in which a used water W is introduced into one side and a supply pipe 111 through which the used water W is supplied to the other side;
A body 121 coupled to the other side of the supply pipe 111 to receive the used water W and a dispensing cylinder 122 accommodated in the body 121 to disperse the used water W, A combustion chamber 123 coupled to the inside of the distribution cylinder 122 for heating the used water W and a combustion chamber 123 for discharging the combustion gas G generated in the combustion chamber 123 to the outside of the body 121 A drive unit (120) including an exhaust pipe (124) formed in plurality;
A drain unit 130 having a drain pipe 131 connected to the body 121 and discharging the heated water W; And
The control unit controls the internal pressure of the body 121 and controls the flow rate and the temperature of the used water W by connecting to the at least one of the supply pipe 111 and the drain pipe 131, And a control unit (140) for controlling the supply or discharge of the fluid,
Wherein the control unit (140) comprises a controller (141) for setting and controlling the temperature of the used water (W) and the internal pressure of the body (121).
The method according to claim 1,
In the upper part of the distribution cylinder 122,
An opening 122-1 is formed to move the used water W heated in the combustion chamber 123,
In the lower portion of the distribution cylinder 122,
A plurality of distribution holes 122-2 in which the used water W is distributed are formed,
Wherein an inlet port (122-3) is formed to allow the used water (W) flowing in the supply pipe (111) to flow into the combustion chamber (123).
The method according to claim 1,
The combustion chamber (123)
A burner 123a for heating the used water W,
A communication pipe 123b for receiving the burner 123a,
A plate 123c coupled to a lower portion of the combustion cylinder 123b to seal the combustion cylinder 123b,
And a turbo fan 123d coupled to a lower portion of the plate 123c to supply air to the burner 123a.
The method of claim 3,
In the communication pipe 123b,
A combustion gas discharge hole 123-1 through which one side of the exhaust pipe 124 is coupled to discharge the combustion gas G generated from the burner 123a is formed,
In the plate 123c,
And a discharge hole (123-2) through which the other end of the exhaust pipe (124) is coupled to discharge the combustion gas (G).
The method according to claim 1,
The exhaust pipe (124)
Shaped, and are arranged radially with respect to a plane direction.
The method according to claim 1,
In the exhaust pipe 124,
And a turbulence generating unit (124a) for minimizing a discharge rate of the combustion gas is formed.
The method according to claim 1,
The control unit (140)
Further comprising a decompression unit (142) connected to the supply pipe (111) to regulate the internal pressure of the body (121).
8. The method of claim 7,
The depressurization portion 142,
A pressure reducing pressure sensor 142-1 connected to the supply pipe 111 for measuring the pressure of the used water W,
Further comprising a pressure reducing valve (142-2) connected to the pressure-reducing pressure sensor (142-1) to adjust a pressure inside the body (121).
The method according to claim 1,
The control unit (140)
Further comprising a flow rate controller (143) connected to the supply pipe (111) for controlling a flow rate of the used water (W).
10. The method of claim 9,
The flow rate regulator (143)
A flow rate control temperature sensor 143-1 connected to the other side of the supply pipe 111 for measuring the temperature of the used water W,
Further comprising a flow rate control valve (143-2) connected to the flow rate control temperature sensor (143-1) for controlling the flow rate of the used water (W).
The method according to claim 1,
The control unit (140)
The hybrid water heater (100) according to claim 1, further comprising a temperature controller (144) connected between the supply pipe (111) and the drain pipe (131) to adjust a temperature of the used water (W).
12. The method of claim 11,
The temperature regulator 144,
A temperature control pipe 144-1 connecting between the supply pipe 111 and the drain pipe 131,
A temperature control sensor 144-2 coupled to at least one of the temperature control pipe 144-1 and the drain pipe 131 to measure the temperature of the used water W,
And a direct injection valve 144-3 connected to the temperature control sensor 144-2 and the controller 141 to adjust the temperature of the used water W in accordance with the temperature set in the controller 141 (100).

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