KR20160036376A - Boiler system using heating device - Google Patents

Abstract

The present invention relates to a boiler system using a heating unit. The boiler system using a tank storing hot water and a heating unit connected to the tank, a circulation pump, and a pipe to supply hot water to use for heating a room and hot water, comprises: a second tank storing water supplied by a supply means and increasing the temperature to supply hot water at a predetermined temperature to use for hot water; a first tank connected to receive hot water from the second tank and supplying heating water to use for heating a room when the hot water accommodated in the first tank reaches a predetermined temperature; a heating unit connected to introduce and return the hot water from the first tank and increase the temperature of the hot water introduced to maintain the temperature of the hot water accommodated in the first tank at the determined temperature; and a control unit controlling the operation of the supply means and the heating unit according to the temperature of hot water circulated in the first and second tanks and the heating unit and the amount of hot water accommodated in the first and second tanks.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a boiler system using a heating unit,

The present invention relates to a boiler system using a heat generating part.

More specifically, the present invention maximizes the efficiency of heating and hot water use of the boiler, minimizes energy consumption by maintaining the temperature of the hot water stored in the tank constant for a long time, and is environmentally friendly as well as reducing manufacturing and installation costs The present invention relates to a boiler system using a heat-generating portion that can be used.

Generally, a boiler generates heat energy by using fuel or electricity such as petroleum and gas as an energy source, and generates heating water or hot water by heating water by generated heat energy. In accordance with the method of heating water, And the low-boiling type boiler is distinguished from the heating water heated by the burner and the hot water. Since the water supplied through the water supply pipe is always heated to the appropriate high temperature by the heat exchange coil installed in the hot water tank, And the hot water is stored at an appropriate high temperature even in the intermittent use of the hot water, so that the user can use hot water immediately.

In recent years, an electric boiler is used in which a current is applied to an annular coil, and a core made of a metal material is induction-heated by the coil to heat the heating water. Is being developed.

1 is a view showing an electric boiler using induction heating according to the prior art.

As shown in the drawing, the electric boiler using induction heating according to the related art has a structure in which a high-frequency induction heating coil 2 is spirally wound on the outside of a boiler tank 1 having a cold water inflow pipe at the bottom and a hot water outflow pipe at the top, (3), and then the outer surface and the upper and lower surfaces are coated with an insulating material (11) such as ceramic to seal it.

However, since the electric boiler using the induction heating according to the related art as described above is very high in energy consumption due to the current applied to the induction heating coil 2, and is expensive due to its manufacturing and installation costs, .

(Patent Document 1) Korean Utility Model Publication No. 1992-004106 (June 20, 1992)

In order to solve such problems, the present invention maximizes the heat exchange efficiency of the boiler, maintains the temperature of hot water stored in the tank constant for a long time, minimizes energy consumption, and is environmentally friendly. The purpose is to save money.

In order to accomplish the above object, the present invention provides a boiler system including a tank for storing hot water therein, and a heating unit connected to the tank, the circulation pump and the pipe to supply hot water to a heating and hot water use place, A second tank for storing water to be supplied to the hot water supply unit and warming the hot water supply unit to supply hot water of a predetermined reference temperature to the hot water supply unit, A primary tank for supplying heating water to the use place of the heating; A heating unit connected to the hot water from the primary tank so that the hot water is introduced and recovered, and warms the hot water so that the temperature of the hot water stored in the primary tank is maintained at the reference temperature of the hot water; And a control unit for controlling the operation of the water supply unit and the heating unit according to the temperature of the hot water circulating through the heating unit, the primary and the secondary tank, and the amount of hot water stored in the primary and secondary tanks. The boiler system according to claim 1,

According to an embodiment of the present invention, the primary tank may include a temperature sensor for sensing the temperature of the hot water stored therein, and the secondary tank may include a sensor for sensing the temperature and the level of the hot water And a boiler system using the heat generating unit.

According to an embodiment of the present invention, the heat generating unit may include a cylindrical housing; A heating disk unit disposed on the inner side of the housing and disposed on the outer circumference of the rotating shaft for interlocking rotation with the power means and having a plurality of magnet units arranged at regular intervals along the outer circumferential direction, An inflow portion which is shielded on one side of the housing and connected to the secondary tank on the outer periphery to receive hot water and has a heating portion formed inside the one end thereof with a receiving space along the outer periphery of the rotating shaft; A water outlet portion for shielding the other side of the housing and discharging hot water introduced from the inlet portion; And a primary heating part connected to the inlet part and the outlet part in such a manner that both ends thereof are communicated with each other and heated by the eddy current generated by the rotation of the heating disk part to warm the hot water flowing therein, And a boiler system using the heat generating unit.

According to an embodiment of the present invention, the primary heat generating portion may be formed in a square tube shape so that both end portions are connected to communicate with the inlet portion and the outlet portion, and a plurality of the primary heat generating portions are formed at equal intervals along the outer peripheral surface of the heating disk portion And a boiler system using the heat generating unit.

According to an embodiment of the present invention, a bearing is inserted in the outer periphery of both ends of the rotary shaft so as to smoothly rotate the outer periphery of the rotary shaft on the inner side, and a bearing cap The boiler system includes a support portion.

The other end of the inlet portion is connected to the other end of the inlet portion. The inlet portion has a cylindrical shape extending along the axial direction. The inlet portion is opposed to the rotation shaft. And a second heat generating unit for warming the hot water passing through the second heat exchanger.

The control unit controls the circulation pump and the secondary tank such that hot water remaining in the pipe connected to the secondary tank and the hot water usage destination is returned to the inside of the secondary tank when the use of hot water in the hot water usage destination is terminated And a boiler system using the heat generating unit.

According to the present invention, the heat exchange efficiency of the boiler can be maximized, the temperature of the hot water stored in the tank can be kept constant for a long period of time, thereby minimizing energy consumption. In addition to being environmentally friendly, It is effective.

Figure 1 shows a prior art boiler system
2 is a block diagram schematically illustrating a boiler system using a heat generating unit according to a preferred embodiment of the present invention.
3 is a cross-sectional view illustrating a heat generating unit of a boiler system using a heat generating unit according to a preferred embodiment of the present invention,
FIG. 4 is an enlarged cross-sectional view showing a heat generating part of a boiler system using a heat generating part according to a preferred embodiment of the present invention,
FIG. 5 is a side view showing a magnet portion in a heat generating portion of a boiler system using a heat generating portion according to a preferred embodiment of the present invention.
FIG. 6 is a side view showing a heat generating unit of a boiler system using a heat generating unit according to a preferred embodiment of the present invention;
FIG. 7 is a perspective view illustrating a heat generating unit of a boiler system using a heat generating unit according to a preferred embodiment of the present invention. FIG.
8 to 10 show another embodiment of the heat generating unit of the boiler system using the heat generating unit according to the preferred embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

FIG. 2 is a schematic block diagram of a boiler system using a heat generating unit according to a preferred embodiment of the present invention. FIG. 3 is a sectional view showing a heat generating unit of a boiler system using a heat generating unit according to a preferred embodiment of the present invention. FIG. 5 is a side view showing a magnet portion of a heat generating portion of a boiler system using a heat generating portion according to a preferred embodiment of the present invention. FIG. 6 is a side view showing a preferred embodiment of the present invention. FIG. 7 is a perspective view showing a heat generating unit of a boiler system using a heat generating unit according to a preferred embodiment of the present invention, and FIGS. 8 to 10 are views showing a heat generating unit according to a preferred embodiment of the present invention. The heat generating portion of the boiler system using the heat generating portion according to another embodiment of the present invention.

As shown in the drawings, the boiler system using the heat generating unit of the present invention is connected to the water supply means 10, the pipe 50 and the circulation pump 60 so that water is introduced, and the heated water is heated and stored. A secondary tank 200 connected to supply the stored hot water, a primary tank 200 connected to receive the hot water heated by the secondary tank 200, to maintain the temperature of the hot water accommodated therein, A heating unit 300 and a water supply unit 10 for warming hot water introduced and recovered from the primary tank 100 and for recovering warmed hot water to the primary tank 100 side, a circulation pump 60, The primary and secondary tanks 100 and 200, and the heating unit 300. The control unit 400 controls the overall operation of the primary and secondary tanks 100 and 200,

The water supply means 10 is connected to the secondary tank 200 and the piping 50 and the circulation pump 60 and is connected to the secondary tank 200 under the control of the control unit 400, Supply and shut-off.

The control unit 400 may further include a control valve (not shown) for controlling the flow of the return water or the replenishing water introduced into the secondary tank 200, So that the operation is performed.

The secondary tank 200 is connected to the water supply means 10 and the hot water usage destination by the piping 50 and the circulation pump 60 and flows into the secondary tank 200 under the control of the control unit 400 Warms and stores the water so as to maintain the water at a predetermined reference temperature and amount, and supplies the stored hot water to the hot water use place.

The secondary tank 200 is provided with a heating coil 202 for heating the supplied water so that the water supplied by the water supply means 10 can be maintained at a predetermined reference temperature, As shown in FIG.

Here, the reference temperature of predetermined water is preferably 45 to 60 ° C, but is not limited thereto.

The secondary tank 200 senses the temperature of the hot water stored in the secondary tank 200 and detects the level of the water stored in the secondary tank 200 .

That is, the secondary tank 200 senses the temperature of the water stored in the secondary tank 200 by the sensing sensor 40, and controls the temperature of the secondary tank 200 to a predetermined reference temperature (45 to 60 ° C) When the hot water is used, the detection sensor 40 senses the level of the hot water stored in the secondary tank 200 by the detection sensor 40, and the amount of the hot water decreased according to the amount of the hot water used in the hot water usage place The water level of the hot water stored in the secondary tank 200 can be controlled to be maintained constant by driving the water supply means 10 as much as possible.

In addition, the secondary tank 200 is connected to the hot water use place, the pipe 50, and the circulation pump 60. When the use of the hot water in the hot water use destination is terminated under the control of the control unit 400, The hot water remaining in the pipe 50 connected to the second tank 200 can be returned to the secondary tank 200 and recovered.

That is, the circulation pump 60 configured in the secondary tank 200 and the hot water usage place circulates the hot water remaining in the pipe 50 connecting the secondary tank 200 and the hot water usage destination to the secondary tank 200 200).

The primary tank 100 is connected to the secondary tank 200 by a pipe 50 and is supplied with hot water in a warm state stored in the secondary tank 200 under the control of the controller 400, The hot water supplied from the secondary tank 200 flows into the heating unit 300 side and is heated by the heating water and the hot water stored in the primary tank 100 is heated to a reference temperature of 75 to 90 ° C And the heating water is supplied to the heating use place.

In the primary tank 100, a water level sensor (not shown) may be constructed so that the amount of hot water stored in the primary tank 100 is constantly maintained. The pipe 50 and the circulation pump And a temperature sensor (30) connected to the use place of the heating by the first tank (60) and sensing the temperature of the water contained in the first tank (100).

That is, when the temperature of the hot water stored in the primary tank 100 falls below 75 to 90 ° C, the temperature sensor 30 senses the temperature and transmits it to the controller 400. In the controller 400, The power unit 20 and the heat generating unit 300 are driven on the basis of the signal so that the temperature of the hot water accommodated in the primary tank 100 is replaced with the reference temperature of the hot water, The operation of the power unit 20 and the heat generating unit 300 is stopped.

The heating unit 300 heats hot water flowing from the primary tank 100 under the control of the control unit 400 and supplies the heated water to the primary tank 100 and the pipe 50 and the circulation pump 60 to maximize the efficiency of heating and hot water use of the boiler and to maintain the temperature of the hot water stored in the tank constant for a long time to be supplied to the use place, It is a component that not only works but also reduces manufacturing and installation costs.

3, the heat generating unit 300 includes a cylindrical housing 320, a rotating shaft 310 located inside the housing 320 and rotating in conjunction with the power unit 20, A heating disk 340 installed on the outer periphery of the housing 310 and an inlet 350 connected to the pipe 50 on the outer circumference to shield hot water from the primary tank 100, And is connected to the circulation pump 60 by the pipe 50 so that the other side of the housing 320 is shielded and the hot water heated by the heating disk unit 340 is discharged to the primary tank 100 The inflow section 350 is installed in the outflow section 370 in the form of a coil so as to communicate with the outflow section 370 in the axial direction so as to move the hot water from the inflow section 350 to the outflow section 370, A first heat generating unit 360 that generates heat due to an eddy current generated in accordance with rotation of the unit 340 to heat hot water flowing therein, .

The bearing 314 is inserted into the outer circumference of the rotary shaft 310 on both sides to surround the outer circumference of the rotary shaft 310 to smooth the rotation of the rotary shaft 310. The bearing 314 is moved in the axial direction of the rotary shaft 310 The rotation of the rotary shaft 310 can be smoothly performed by providing the fixed support portion 330 provided with the bearing cap 332 that covers the rotary shaft 310 so as not to cover the rotary shaft 310.

That is, the fixed support part 330 of the present invention is provided at both side ends of the rotation shaft 310 and comprises a bearing 314 and a bearing cap 332 for supporting the rotation of the rotation shaft 310.

Further, as the casing is further coupled to the stationary support part 330 so as to cover the housing 320, the loss of heat generated from the primary and secondary heat generating parts 360 and 380 can be minimized.

The power unit 20 is connected to the rotation shaft 310 of the heat generating unit 300 so as to rotate in an interlocking manner and is preferably composed of a motor which rotates the rotation axis 310 of the heat generating unit 300 It is connected by a belt.

Here, the power unit 20 is provided with frequency control means (not shown) for controlling the rotation RPM of the power unit 20 within a range in which braking is not caused by the eddy current generated while rotating with the heating disk unit 340 ) Can be further configured.

The heating disk unit 340 is disposed inside the housing 320 and is fixed to the outer circumference of the rotary shaft 310 so as to rotate in conjunction with the rotary shaft 310. The heating disk unit 340 induces an eddy current upon rotation, The heating unit 360 is heated so that the hot water flowing in the primary heat generating unit 360 is heated first.

The heating disc portion 340 is firmly fixed to the heating disc portion 340 by a rock bolt 312 provided on the outer circumference of the rotating shaft 310 so that the heating disc portion 340 does not move in the outer and axial directions of the rotating shaft 310 And a heating unit 342 having a receiving space formed along the outer periphery of the rotary shaft 310 is formed inside the one end and a plurality of magnets 346 arranged at equal intervals on the outer circumferential surface.

4 to 7, one end of the primary heat generating unit 360 is configured to communicate with the inlet 350, and the other end of the primary heat generating unit 360 is connected to the water outlet 370, And surrounds the outer circumferential surface of the heating disk unit 340 while being configured.

That is, in the primary heat generating part 360 of the present invention, the hot water flowing through the inflow part 350 moves along the inside of the primary heat generating part 360 in the form of a coil, And flows out through the water outlet 370. [0064] As shown in FIG.

In addition, the primary heat generating unit 360 is provided with a heat dissipating unit 350 for minimizing the thermal expansion of the primary heat generating unit 160 by the heat radiated from the heating disk 340, The loss preventing member 280 is further configured.

The heat loss preventing member 280 is configured to insert and penetrate the outer circumferential surface of the primary heat generating portion 360. An annular fixing bracket 282 is formed along the outer circumferential surface of the heat loss preventing member 280, And fixing means 284 fixed and fastened to the fixing bracket 282 to fix the position so as to minimize thermal expansion of the primary heating portion 360.

The fixing bracket 282 reinforces the rigidity of the heat loss prevention bracket 280 and forms a plurality of fixing holes 286 at equal intervals along the circumferential surface of the fixing bracket 282, 284 are penetrated and fixed.

The fixing means 284 includes a long bolt 284a and a fixing nut 284b and penetrates the fastening hole 286 of the fastening bracket 282. The fastening nut 284b fastens the fixing bracket 282, And is integrally formed with the fixing bracket 282. [0051] As shown in FIG.

It is needless to say that components such as glass fiber may be further disposed between the fixing bracket 282 and the fixing bracket 282 to minimize the heat loss of the primary heat generating portion 360.

It is needless to say that the primary heating unit 360 of the present invention may take the form of a pipe having straightness as well as a coil.

8 to 10, the primary heat generating portion 360 of the present invention is disposed at an equal interval (along the outer circumferential direction of the heating disk portion 340) so as to approach the outer circumferential side of the heating disk portion 340, And the hot water heated by the heating disk unit 340 is transferred from the inlet 350 to the outlet unit 370 so that heat is generated by eddy currents generated by the rotation of the heating disk unit 340 It is a matter of course that the heating of the hot water flowing inside can be performed.

The primary heating unit 360 of the present invention is made of copper or copper so as to improve the conduction efficiency. The primary heating unit 360 warms the hot water flowing through the primary heating unit 360 first, and maximizes heat exchange efficiency will be.

The heating unit 342 is disposed around the rotary shaft 310 so that the secondary heating unit 380 of the inflow unit 350 will be inserted into one end of the heating disk unit 340, And the second heat generating portion 380 is heated by the second heat according to the eddy current generated by the rotation. As a result, the hot water flowing inside the second heat generating portion 380 is heated secondarily.

That is, since the magnet portions 346 are arranged at regular intervals along the inner peripheral surface of the heating portion 342 side of the heating disk portion 340, the secondary heat generating portion 380 is heated to generate heat in the secondary heat generating portion 380 In the second order.

Here, the magnet unit 346 generates an eddy current in accordance with the rotation. The magnet unit 346 magnetizes the magnets having the S pole and the N pole as the permanent magnets in the outer circumferential surface of the heating disk unit 340 alternately in the circumferential direction So that an eddy current is generated in accordance with the rotation of the heating disk unit 340 so that the primary heat generating unit 360 is heated and the hot water flowing in the primary heat generating unit 360 is warmed up first .

In addition, by arranging a plurality of the magnet portions 346 in the axial direction on the outer circumference of the heating disk portion 340, eddy currents are generated more smoothly, and the heat generation efficiency of the primary heat generating portion 360 can be further improved .

 The inflow portion 350 shields one side of the housing 320 and allows the hot water to flow in from the primary tank 100 and the hot water to flow in via the primary heat generating portion 360 and the secondary heat generating portion 380 An inlet hole 352 connected to the primary tank 100 is formed on the outer circumferential side by the pipe 50 so that hot water flows from the primary tank 100, And a secondary heat generating unit 380 disposed in a cylindrical shape so as to be opposed to each other with the rotation axis 310 as a center and extending to be inserted into the heating unit 342 side.

Here, the secondary heat generating unit 380 is formed in a double structure so that the hot water flows in and the hot water flows therein, thereby improving the heat exchange efficiency of the hot water. When the second heating unit 380 is heated by the heating disk unit 340, the heat exchange efficiency of the hot water passing through the inside of the second heating unit 380 is improved, so that the heating efficiency of the hot water can be maximized.

In addition, since the secondary heat generating unit 380 is provided in pluralities so as to face each other on the side of the inlet 350 and the outlet 370, the heating efficiency of the hot water can be further maximized.

The outgoing portion 370 shields the other side of the housing 320 and allows the warmed hot water to be recovered to the primary tank 100. The heated portion 342 and the primary heated portion 360 are heated Hot water is discharged and an outflow hole 372 connected by a pipe and a circulation pump 60 is formed so as to be recovered to the primary tank 100.

Although the inlet 350 and the outlet 370 are shown as being circular, the present invention is not limited thereto and may be rectangular.

The controller 400 controls the operation of the heating unit 300 according to the temperature of the hot water circulating through the primary and the secondary tanks 100 and 200 and the heating unit 300, And is preferably electrically connected to the water supply means 10, the circulation pump 60, the temperature sensor 30, the detection sensor 40 and the heat generating portion 300 and has a flow check in the tank of the boiler, A plurality of LEDs (not shown) that are turned on / off according to normal operation, a control button for controlling the power on / off / restart of the boiler, and a control button for controlling temperature up / down.

According to the present invention configured as described above, the heat exchange efficiency of the boiler is maximized and the temperature of the hot water stored in the tank is kept constant for a long time to be supplied to the use site. Energy consumption and power consumption are minimized, Of the invention.

The foregoing description is merely illustrative of the technical idea of the present invention and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as falling within the scope of the present invention.

10. Watering means 20. Power means
30. Temperature sensor 40. Detection sensor
50. Piping 60. Circulation pump
100. Primary tank 200. Secondary tank
202. Heating coil 300. Heat generating part
310. Rotation axis 312. Lock bolt
314. Bearings 320. Housings
330. Fixed support 332. Bearing cap
340. Heating disk section 342. Heating section
346. Magnet part 350. Inflow part
352. Inflow ball 360. Primary heat source
370. Headquarters 372. Headquarters
380. Secondary heating unit 400. Control unit

Claims (7)

1. A boiler system comprising a tank for storing hot water therein and a heating unit connected to the tank, the circulation pump and the pipe to supply hot water to a heating and hot water use place,
A secondary tank for storing water supplied by the water supply means and heating the hot water supply source to supply hot water of a predetermined reference temperature;
A primary tank connected to receive hot water from the secondary tank and supplying heating water to a heating use place when the hot water stored therein is at a preset reference temperature;
A heating unit connected to the hot water from the primary tank so that the hot water is introduced and recovered, and warms the hot water so that the temperature of the hot water stored in the primary tank is maintained at the reference temperature of the hot water; And
A controller for controlling the operation of the water supply unit and the heating unit according to the temperature of the hot water circulating through the heating unit and the primary and secondary tanks and the amount of hot water stored in the primary and secondary tanks;
Wherein the boiler system is a boiler system.
The method according to claim 1,
Wherein the primary tank comprises a temperature sensor for sensing the temperature of the hot water contained therein and the secondary tank includes a sensor for sensing the temperature and the level of the hot water.
The method according to claim 1,
The heating unit may include a cylindrical housing;
A heating disk unit disposed on the inner side of the housing and disposed on the outer circumference of the rotating shaft for interlocking rotation with the power means and having a plurality of magnet units arranged at regular intervals along the outer circumferential direction with S poles and N poles alternately arranged on the outer circumference;
An inflow portion which is shielded on one side of the housing and connected to the secondary tank on the outer periphery to receive hot water and has a heating portion formed inside the one end thereof with a receiving space along the outer periphery of the rotating shaft;
A water outlet portion for shielding the other side of the housing and discharging hot water introduced from the inlet portion; And
A first heating part connected to the inlet part and the water outlet part in such a manner that both ends thereof communicate with each other and connected to the heating part and heated by the eddy current generated by the rotation of the heating disk part,
Wherein the boiler system is a boiler system.
The method of claim 3,
Wherein the primary heat generating portion is formed in a rectangular tube shape so that both end portions are connected to communicate with the inlet portion and the outlet portion, and a plurality of the primary heat generating portions are formed at regular intervals along the outer circumferential surface of the heating disk portion.
The method of claim 3,
And a bearing supported on the outer periphery of both ends of the rotary shaft to allow the outer periphery of the rotary shaft to be audited and rotated smoothly on the inner side and a bearing support having a bearing cap on the outer side to cover the bearing. Boiler system.
The method of claim 3,
And the other side of the inflow portion extends in a cylindrical shape along the axial direction and is opposed to each other with respect to the rotation axis, and is inserted to the heating portion side, the hot water flowing in from the inflow hole passes through the inner side, And a second heat generating unit for warming the hot water to the second temperature.
The method according to claim 1,
Wherein the control unit controls the circulation pump and the secondary tank such that hot water remaining in the pipe connected to the secondary tank and the hot water usage destination is returned to the inside of the secondary tank when the use of the hot water in the hot water usage destination is completed, The boiler system using the heat generating part.

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