KR20160026952A - System for supplying warm water - Google Patents

Abstract

Disclosed are a hot-water supplying system with improved utilization by ensuring safety and having no risk of electronic shocks and being applicable for a hot-water mat; a heating system for a foot massaging machine with the hot-water supplying system; and a hot-water mat device. The hot-water supplying system includes: a body with an intake pipe and a discharge pipe wherein water flows; a pump circulating the water; a heater formed in a passage of the water being circulated by the pump; and a first connecting means formed on ends of the intake pipe and the discharge pipe and connecting the intake pipe and the discharge pipe to a subject to supply hot water when the hot-water supplying system is connected to the subject to supply hot water. The body includes an air supply pipe for supplying air and a second connecting means is formed on an end of the air supplying pipe so air is selectively supplied to the subject to supply hot water. Accordingly, the hot-water supplying system can be used not only for the foot massaging machine, but also for the hot-water mat. In addition, water and air can be supplied at the same time with the pump with a simple structure. The hot-water supplying system provides no risk of electronic shocks as the heater indirectly heats water when the hot-water supplying system is applied to the hot-water mat and causes no side effects by generating no electromagnetic waves when the hot-water supplying system is applied to the hot-water mat. Additionally, as the single hot-water supplying system can be used for the foot massaging machine and the hot-water mat so the present invention provides advantages in a cost efficiency aspect and in a user convenience aspect.

Description

System for Warm Water Supply System

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water supply system, and more particularly, to a hot water supply system that can be used in a foot bath apparatus or a hot water mat.

Generally, a footbath can be easily performed when it is unable to take a whole body bath or a half-bath, so it is not troublesome, and by warming the foot, which is the most severe part of blood circulation disorder caused by fatigue, it enlarges blood vessels to improve blood circulation, It relieves fatigue and helps to release waste accumulated in the body through sweat.

Korean Patent Laid-Open Publication No. 2013-0112843 (Oct. 13, 2013), which is a prior application, discloses a hot water heater for a foot bath. Fig. 1 is a perspective view of a conventional foot bath using a hot water heater for a foot bath, and Fig. 2 is a perspective view showing a conventional hot water heater for a foot bath.

As shown in FIGS. 1 and 2, a conventional hot water heater 10 for a foot bath comprises a body 100 and a safety protection case 104. The body 100 includes a cylindrical tempered glass rod 101 in which a temperature control unit 102 and a medium temperature heat generating unit 103 are embedded. The safety protection case 104 surrounds the outer circumferential surface of the body 100 and has a cylindrical shape. The foot warm water heater 10 heats the water in the foot bath 105 by exchanging heat with the water immersed in the water contained in the foot bath 105.

When the power is applied to the conventional hot water heater 10, the water is heated by the heat generated by the mid-temperature heat generator 103. When the hot water heater 103 is exposed to water, ), So there was a risk of electric shock. In addition, the conventional hot water heater 10 for a foot bath can be used only for a foot bath and can not be used for other purposes such as a hot water mat.

Korean Patent Laid-Open Publication No. 2013-0112843 (Oct. 14, 2013)

In order to solve such conventional problems, it is an object of the present invention to provide a hot water supply system which is safe and can be applied to a hot water mat because there is no danger of electric shock.

In order to achieve the above object, according to the present invention, there is provided a water pump comprising: a hollow chain body; a pump provided in the body for circulating water; a heater provided on a flow path of water circulated by the pump; An inlet pipe connected to the water inlet of the pump, and an accumulator accommodating the volume change of the water as the temperature changes; The pump is provided with an air inlet and an air outlet to provide a hot water supply system for sucking and discharging air together with circulation of water.

In the above, the pump includes a hollow-type housing having a space formed therein, an oscillating member for partitioning the interior of the housing into a first chamber and a second chamber, and a driving unit for generating vibration in the oscillating member; The water outlet and the water inlet are formed to communicate with the first chamber, and the air inlet and the air outlet are formed to communicate with the second chamber; The water outlet and the air outlet are provided with a check valve for allowing the water to flow only in the discharge direction and the air inlet and the water inlet are provided with a check valve for allowing the water to flow only in the inflow direction.

The driving unit may include a coil provided in the vibration member, and a permanent magnet provided to face the coil in the housing; When a current is applied to the coil, the magnetic field generated in the coil reacts with the magnetic field of the permanent magnet, and vibration occurs in the vibration member, thereby changing the volume of the first chamber and the second chamber.

The hot water supply system according to the present invention can be used not only in a foot bath apparatus but also in a hot water mat, and can supply water and air at the same time with a simple pump structure. When applied to a foot bath apparatus, There is no danger of electric shock, and when applied to a hot water mat, no electromagnetic waves are generated and no side effects are caused on the human body. In addition, since the hot water supply system can be used both as a foot bath apparatus and a hot water mat, there is a great advantage in terms of cost and ease of use.

1 is a perspective view of a conventional foot bath using a hot water heater for a foot bath,
2 is a perspective view showing a conventional hot water heater for a foot bath,
FIG. 3 is a schematic view illustrating a configuration of a hot water supply system according to an embodiment of the present invention,
4 is a view for explaining the internal structure of the hot water supply system according to the embodiment of the present invention,
5 is a view for explaining a pump of a hot water supply system according to an embodiment of the present invention,
FIG. 6 schematically shows the configuration of a foot bath apparatus according to an embodiment of the present invention,
7 is a cross-sectional view illustrating a heat exchange tube of a foot bath apparatus according to an embodiment of the present invention,
FIG. 8 is a schematic view illustrating the construction of a hot water mat according to an embodiment of the present invention,
FIG. 9 is a cross-sectional view illustrating a hot water mat according to a modification of FIG. 8. FIG.

Hereinafter, the technical configuration of the hot water supply system will be described in detail with reference to the accompanying drawings.

FIG. 3 is a schematic view showing a configuration of a hot water supply system according to an embodiment of the present invention, FIG. 4 is a view showing the internal configuration of a hot water supply system according to an embodiment of the present invention, Sectional view illustrating a pump of a hot water supply system according to an embodiment of the present invention.

3 to 5, a hot water supply system 7 according to an embodiment of the present invention includes a main body 71, a pump 73, an accumulator 74, a heater 75, A first connecting means 77, and a second connecting means 78, as shown in Fig.

The body 71 is a hollow body having a space formed therein, and can be made of metal, plastic, or synthetic resin. The main body 71 is connected to an inlet pipe 711 and a discharge pipe 713. The inlet pipe 711 and the outlet pipe 713 can be made of a flexible synthetic resin as a pipe body. The inflow pipe 711 and the discharge pipe 713 are the passages through which the water flows and the inflow pipe 711 is the passage through which the water flows into the inside of the pump 73. The discharge pipe 713 receives water from the pump 73 It is a passage to be discharged. The main body 71 is provided with a pump 73, an accumulator 74, and a heater 75, which will be described later. The pump 73, the accumulator 74, and the heater 75 are provided inside the main body 71.

An air supply pipe 715 is further connected to the main body 71. The air supply pipe 715 is for supplying air to the hot water supply target. The hot water supply object may be a foot bath apparatus to be described later. The air supply pipe 715 may be made of a flexible synthetic resin as a tubular body.

The pump 73 circulates water and air, and includes a housing 731, an oscillating member 733, and a driving unit.

The housing 731 is a hollow body having a hollow space therein. The hollow portion is divided by the vibration member 733 to form the first chamber 7311 and the second chamber 7313. The housing 731 is made of synthetic resin such as metal or plastic. A water inlet 7315 and a water outlet 7316 communicating with the first chamber 7311 are formed in the housing 731 and an air inlet 7317 and an air outlet 7318 communicating with the second chamber 7313 . Water is introduced into the interior of the housing 731 through the water inlet port 7315 or into the first chamber 7311 and is discharged from the interior of the housing 731 through the water outlet port 7316, . Air is introduced into the interior of the housing 731, that is, into the second chamber 7313 through the air inlet 7317 and flows through the air outlet 7318 into the interior of the housing 731, that is, from the second chamber 7313 to the air Is discharged.

One end of the inlet pipe 711 is connected to the water inlet 7315 and one end of the outlet pipe 713 is connected to the water outlet 7316. The air outlet 7318 is connected to one end of the air supply pipe 715. It is not necessary to connect a separate pipe to the air inlet 7317, but it is also possible to connect the inside of the housing 731 with the outside air through a duct or the like. The water inlet 7315, the water outlet 7316, the air inlet 7317 and the air outlet 7318 are provided with a check valve 76 that allows the fluid to flow only in one direction. The check valve 76 may be provided in the inflow pipe 711, the discharge pipe 713, and the air supply pipe 715, respectively.

The check valve 76 provided in the water inlet port 7315 functions to allow water to flow only from the outside to the inside of the first chamber 7311 and the check valve 76 provided in the water outlet port 7316 is connected to the first chamber 7311, The water can flow only from the inside to the outside of the water tank 7311. The check valve 76 provided in the air inlet 7317 enables air to flow only from the outside to the inside of the second chamber 7313 and the check valve 76 provided in the air outlet 7138 is communicated with the second chamber 7313) so that air can flow only to the outside. Since the check valve is a well-known technology, a detailed description thereof will be omitted.

The vibration member 733 is formed in a plate shape and is provided inside the housing 731. The vibration member 733 may be made of metal or synthetic resin, and may be provided with a corrugated bellows portion for facilitating vibration up and down.

The vibrating member 733 divides the internal space of the housing 731 into a first chamber 7311 and a second chamber 7313. The oscillating member 733 is oscillated by a driving unit to be described later and reciprocates between the first chamber 7311 and the second chamber 7313 to change the volume of the first chamber 7311 and the second chamber 7313 So that water and air are simultaneously circulated and supplied to the hot water supply target.

The driving unit vibrates the vibration member 733 to function to flow the water on the first chamber 7311 side and the air on the second chamber 7313 side. The driving unit includes a coil 735 and a permanent magnet 737. The driving unit is located in the second chamber 7313. The driving unit may be located in the first chamber 7311, but it is preferable that the first chamber 7311 is located in the second chamber 7313 because water is accommodated in the first chamber 7311.

The coil 735 is provided on the oscillating member 733 and is wound around a supporting portion 7351 extending toward the permanent magnet 737 on one side of the oscillating member 733. [ The coil 735 may be wound around the support 7351 in a spiral manner. The support 7351 is positioned above the permanent magnet 737 as a hollow body. The support portion 7351 may be a plurality of rod members extending downward from the vibration member 733 toward the permanent magnet 737. [ The support 7351 provides a place for the coil 735 to be wound. It is also possible that a part of the upper end of the permanent magnet 737 is inserted into the support portion 7351 and positioned.

The permanent magnet 737 is provided in the housing 731 so as to face the coil 735. A part of the permanent magnet 737 may be inserted into the coil 735.

It is also possible that the coil 735 is provided in the housing 731 and the permanent magnet 737 is provided in the vibration member 733. [

When a current is applied to the coil 735, a magnetic field is formed around the coil 735, and the coil 735 is changed to the same electrode or another electrode as the magnet 737. The coil 735 coupled to the vibration member 733, (737). With the reciprocating movement of the coil 735, the support portion 7351 and the oscillating member 733 reciprocate together to cause oscillation in the oscillating member 733.

The pump 73 drives the oscillating member 733 with a one-sided permanent magnet and a spring, and the coil 735 may be a coreless type such as a circular coil or a plate-like coil.

The accumulator 74 is provided in communication with the first chamber 7311 side. The accumulator 74 is provided on one side of the pump 73 and functions to absorb the volume change of the hot water supply system 7. The accumulator may be configured by a spring-loaded type, a vertical load type, a gas compression type, a diaphragm type, and the like. The volume of the fluid increases as the temperature rises, When the pressure rises, water is stored and compensated for volume change while discharging as needed.

The heater (75) is provided on the flow path of water circulated by the pump (73). The heater 75 is connected to a path through which the water is discharged through the water discharge port 7316 of the pump 73. The discharge pipe 713 is connected to the heater 73 so that the water discharged through the water discharge port 7316 in the operation of the heater 75 is heated by the heater 73 and discharged through the discharge pipe 713. The heater 73 may be provided on a discharge pipe 713 through which water flows. The heater 75 heats the water passing through the heater 75, and may be implemented as an electric heater or the like. The heater (75) is not provided directly to the object to be supplied with hot water but heats the water in a state where it is provided in the hot water supply system (7), and the heated water acts as a heating element of the hot water supply object. When the volume of the water heated by the heater 73 is expanded, the expanded volume of the accumulator 74 is absorbed, thereby preventing the internal pressure from being excessively increased due to the temperature rise.

The first connecting means 77 is provided at the end of the inlet pipe 711 and the outlet pipe 713. The first connecting means 77 allows the inlet pipe 711 and the outlet pipe 713 to communicate with the hot water supply object when the hot water supply target is fastened. When the hot water supplying object is connected to the first connecting means 77, water flows to the pump 73 through the inlet pipe 711 and flows to the hot water supply target through the discharge pipe 713 by pumping the pump 73 Circulated and then circulated to the pump 73 through the inlet pipe 711 again. The first connecting means 77 may be implemented as a nipple or the like.

The second connecting means 78 is provided at the end of the air supply pipe 715. The second connecting means (78) communicates the air supply pipe (715) to the hot water supply target when fastened to the hot water supply target. The second connection means 78 is coupled to the end of the air supply pipe 715 so that the air discharged from the pump 73 is supplied to the second connection means 78 via the air supply pipe 715 And supplied to the hot water supply target. The second connecting means 78 can be selectively connected to the hot water supply target to selectively supply the air to the hot water supply target depending on the kind of the hot water supply object. The second connection means 78 may be implemented as a nipple or the like.

The main body 71 is provided with an on-off switch 717 for controlling the operation of the pump 73, a temperature control switch 719 for controlling the temperature of the heater, and a display window 716 A thermocouple, and a control unit (microcomputer, not shown). The display window 716 may be an LCD panel. The on-off switch 717, the temperature control switch 719, the thermocouple, and the display window 716 are connected to the controller (microcomputer).

The heater 75 may be provided integrally with the pump 73 or may be detached from the pump 73 It can be desorbed and bonded as much as possible. The water circulated by the pump 73 can be replaced with another substance as the heat medium oil, and the fluorescent substance can be mixed with water or a heat medium oil to express the brightness of the light emitting body according to the temperature. In this case, an LED lamp or the like can be installed inside the pump 73.

FIG. 6 is a schematic view of a foot bath apparatus according to an embodiment of the present invention, and FIG. 7 is a cross-sectional view illustrating a heat exchanger tube of a foot bath apparatus according to an embodiment of the present invention.

3 to 7, a heating system for a foot bath according to an embodiment of the present invention includes a hot water supply system 7 and a heat exchanger 8 connected to the hot water supply system 7. The heat exchanger 8 is connected to the hot water supply system 7 and comprises a case 81 and a heat exchange pipe 83. The heat exchanger (8) is located in the bathtub (87) and functions to heat the water contained in the bathtub (87).

The foot bathtub 87 is for storing the user's feet by receiving water therein. The foot bathtub 87 may be made of metal or synthetic resin, and is a container having a recessed receiving portion.

The case 81 is a hollow body having a space formed therein, and a plurality of through holes 811 penetrating the inside and the outside are formed. In Fig. 6, reference numeral 85 denotes an air connection pipe. It is also possible that the third connecting means communicating with the inside of the case 81 without being provided with the air connecting pipe 85 and being coupled to the second connecting means is directly provided.

One side and the other side of the heat exchange tube 83 protrude from the case 81. The one side and the other side of the projected heat exchange tube 83 are connected to the inlet tube 711 through the first connecting means 77, And a discharge pipe 713. [ (Not shown) connected to the first connecting means 77 is provided at the end of the heat exchange tube 83. [ It is also possible that a part of the connecting means and the entirety of the connecting means are protruded from the case 81 and the heat exchange tube 83 does not protrude from the case 81.

The connection between the first connecting means 77 and the connecting means, and the connecting between the second connecting means and the third connecting means can be exemplified by a coupling such as a nipple screw connection.

The connecting means at one end of the heat exchange tube 83 is coupled to the first connecting means 77 and connected to the inlet tube 711 and the connecting means at the other end is coupled to the first connecting means 77 And is connected to the discharge pipe 713. The heat exchange tube 83 is formed as a spiral in the case 81. The heat exchange tube 83 functions to heat water filled in the foot bath 87 by heat exchange with the water filled in the bathtub 87 inside the case 81. The heat exchange tubes 83 are connected to the first connecting means 77 on both sides to form a closed circuit and exchange heat with the water that has entered the case 81 through the through holes 811 of the case 81. A plurality of heat exchange fins 831 may be formed on the outer side of the heat exchange tube 83. A plurality of heat exchange fins 831 are provided outside the heat exchange tubes 83 so as to be spaced along the longitudinal direction of the heat exchange tube 83 to increase the heat exchange area of the heat exchange tubes 83 to improve the heating performance of the water. It is preferable that the heat exchange tube 83 is made of a copper alloy or an aluminum alloy excellent in heat transfer.

The air connecting pipe 85 is connected to the second connecting means 78 at the one end of the third connecting means. The air discharged from the pump 73 flows through the air supply pipe 715 to the air connection pipe 85 through the second connecting means 78 and is discharged into the case 81 and is discharged through the through hole 811 Bubbles are generated in the water filled in the foot bath (87). It is also possible to adopt a structure in which the air connecting pipe 85 is not provided and the third connecting means is directly coupled to the case 81. The air discharged into the case 81 can cause a massage effect on the feet contained in the foot bath 87.

The heater (75) is included in the control unit, indirect heating the heating system for the foot bath by the heat exchange module method, thereby preventing an accident such as electric shock. The structure of the heat exchange module can maximize the convection effect by supplying heat while exchanging heat through the circulation of hot water.

FIG. 8 schematically shows the construction of a hot water mat device according to an embodiment of the present invention.

3 to 5 and 8, a hot water mat according to an embodiment of the present invention includes a flexible fibrous body portion 91, a hot water pipe 9 provided in the body portion 91, . The hot water pipe 9 extends with a bent portion in the body portion 91, and both end portions are exposed from the body portion 91. At both exposed end portions, mat connection means for coupling to the first connection means 77 provided in the inflow pipe 711 and the discharge pipe 713 is provided. The hot water pipe 9 can be exposed only from the mat connection means without being exposed from the body portion 91. [

The hot water pipe 9 is connected to the hot water supply system 7 and one side and the other side are respectively connected to the inflow pipe 711 and the discharge pipe 713 through the first connecting means 77. The mat connecting means at one end of the hot water pipe 9 is connected to the inlet pipe 711 through the first connecting means 77 and the mat connecting means at the other end is connected to the outlet pipe 711 through the first connecting means 77 713). Both sides of the hot water pipe 9 are connected to the first connecting means 77 to form a closed circuit and are installed in the mat main body 91 in a built-in manner. The hot water flowing through the hot water pipe 9 is heat-exchanged with the mat main body 91 to heat the hot water mat. The hot water pipe 9 can be made of a copper alloy or an aluminum alloy excellent in heat transfer.

Air circulation can be effected in operation, and when the filter is installed on the air circulation path, the air purification operation can be performed.

FIG. 9 is a cross-sectional view illustrating a hot water mat according to a modification of FIG. 8. FIG. 9, an air inlet 7317 and an air outlet 7318 are formed in the pump 73 to suck and discharge air together with the circulation of water. The main body 91 is connected to the inside of the hot water pipe 9 And a hose guide 913 for accommodating the hose. The hose guide 913 is formed in a " C "shape and is made of a hard material. By accommodating the hot water pipe 9 therein, it is possible to prevent clogging of the hot water pipe 9 due to a load when a load is generated .

The hose guide 913 is provided with an air connection pipe 85 through which the air supplied from the pump 73 flows so that air flowing through the air connection pipe 85 is heat-exchanged with the hot water pipe 9. The hot water mat device has an air hole 917 for discharging the air inside the air connecting pipe 85 so that the air inside the air connecting pipe 85 exchanged with the warm air of the hot water pipe 9 is discharged upward Thereby raising the temperature of the upper air.

The air connection pipe 75 is disposed adjacent to the hot water pipe 9 and disposed between the hot water pipe 9 to improve the heat exchange efficiency. The air flowing through the air connecting pipe 75 warmed up is supplied through the air hole 917 so that the user is not only directly provided with heat by the hot water but also receives the hot air by the second order, thereby maximizing the heating efficiency.

The main body 91 has a ceiling member 911 coupled to the hose guide 913 and the ceiling member 911 is configured to allow air to flow. The ceiling member 911 is configured to be ventilated so as to suppress the generation of moisture on the lower side of the hot water mat and to prevent the propagation of various bacteria such as fungi and bacteria. The top member 911 can be coupled to the open end side of the hose guide 913 through a barb 915. The positions of the hot water pipe 9 and the air connecting pipe 85 and the cloth member 911 are fixed without being disturbed through the joint structure of the hose guide 913 and the cloth member 911, It is easy to fold the mat.

The hot water supply system 7 according to the embodiment of the present invention can be used not only in the foot bath apparatus but also in the hot water mat. The structure of the simple pump 73 can supply water and air at the same time, When applied, the heater indirectly heats the water, so there is no risk of electric shock. When applied to a hot water mat, electromagnetic waves are not generated and cause no adverse effects on the human body. It can be used both as a foot bath apparatus and a hot water mat through one hot water supply system 7, which is a great advantage in terms of cost and ease of use.

Although the hot water supply system according to the present invention, the heating system for a trough container having the hot water supply system, and the hot water mat device have been described with reference to the embodiments shown in the drawings, they are merely illustrative, And other equivalent embodiments are possible. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.

7: hot water supply device 71:
73: pump 731: housing
733: Oscillating member 735: Coil
737: Magnet 74: Accumulator
75: Heater 77: First connection means
78: second connecting means 8: heat exchanger
81: Case 83: Heat exchanger tube
85: air connector 831: heat exchange pin
9: Hot water pipe

Claims (3)

A pump 73 for circulating water provided in the main body 71; a heater 75 provided on a flow path of water circulated by the pump 73; An inlet pipe 711 connected to the water inlet 7315 of the pump 73 and an accumulator 74 for accommodating changes in the volume of water in accordance with the temperature change, ≪ / RTI > Wherein the pump (73) is provided with an air inlet (7317) and an air outlet (7318) to suck and discharge air together with the circulation of water. The pump according to claim 1, wherein the pump (73) comprises a housing (731) having a hollow space formed therein and an oscillating member (731) dividing the interior of the housing (731) into a first chamber (7311) and a second chamber (733), and a driving unit for generating vibration in the vibration member (733); The water outlet 7316 and the water inlet 7315 are formed to communicate with the first chamber 7311 and the air inlet 7317 and the air outlet 7318 are formed to communicate with the second chamber 7313; The water outlet 7316 and the air outlet 7318 are provided with a check valve 76 for allowing the water to flow only in the discharge direction and the air inlet 7317 and the water inlet 7315 are provided with check valves 76) is provided in the hot water supply system (7). The driving unit according to claim 2, wherein the driving unit comprises a coil (735) provided in the vibration member (733) and a permanent magnet (737) provided in the housing (731) so as to face the coil (735); When a current is applied to the coil 735, a magnetic field generated in the coil 735 reacts with a magnetic field of the permanent magnet 737 to generate vibration in the vibration member 733, so that the first chamber 7311 and the second chamber 7313) of the hot water supply system (7) changes.

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