KR100861776B1 - Boiling and recirculating device for hot-water heating type mat - Google Patents

Abstract

An apparatus for providing hot water in a hot water heating type mat is provided to reduce load applied to a pump in the operation of the pump by maintaining the constant pressure of a pipe connecting a water tank to the pump. An apparatus for providing hot water in a hot water heating type mat comprises a body including an upper case and a lower case. A water tank(20) is coupled to the lower case of the body. A supplementary water tank(30) is incorporated with an upper part of the water tank. A heater(40) has a heating part disposed in the water tank to heat circulation water temporarily stored in the water tank. A control unit controls a pump(50) and the heater. The pump circulates the heated circulation water.

Description

Hot water supply device for hot water mat {Boiling and recirculating device for hot-water heating type mat}

The present invention relates to a hot water supply device for a hot water mat, and more particularly, to a hot water supply device for a hot water mat that serves to continuously provide and circulate hot water on a hot water mat that implements heating using a hot water circulation system. .

Electric blankets and mats are mainly used in winter for the purpose of heating or keeping warm by locally heating the floor in the room, and unlike heating devices that use gas or oil, heating costs can be reduced and heating in a short time. It can be expected to be effective, so it is widely used.

However, in the case of an electric sheet or a mat, there is a risk of electric shock due to the use of electricity for heat generation, and due to its electrical characteristics, harmful electromagnetic waves are generated and the electromagnetic waves are known to be harmful to the human body. As a countermeasure against this, electric blankets or mats with electromagnetic shielding functions have been released, but the fundamental problems with harmful electromagnetic waves have not been solved, and their effects have not been verified.

In order to solve the above problems, recently, a hot water mat adopting the traditional ondol method using high temperature hot water has been proposed. Since the hot water mat is not a method using an electric heating wire, there is no risk of fire or electric shock, and it has been widely spread recently because it does not generate any harmful electromagnetic waves and is harmless to the human body.

For example, Korean Patent Publication No. 2005-0057890 (published on June 16, 2005) discloses that hot water is formed by heating water stored in a hot water tank of a hot water supply device (heating body) with an electric heater, and using this pump. The hot water circulation mat for heating to circulate inside the mat to implement the heating is disclosed.

In the case of a well-known hot water supply / heating device including the hot water supply device disclosed in the prior art, when the pump is driven for a predetermined time and then stopped, the kinetic energy due to the moving inertia of the fluid on the pipeline connecting the hot water tank (water tank) and the pump The hot water remains under high pressure (due to surge). Because of this, the pressure in the pipe connecting the hot water tank and the pump is quite high. Therefore, there is a problem in that the pump life is shortened due to a significant load on the pump when the pump is initially started or restarted, and the overall hot water circulation rate of the hot water mat is lowered due to the delay in the initial hot water supply.

In addition, due to the air generated in the process of circulating hot water (Air) caused an unpleasant noise in the pipe to implement a single circulation pipe to provide a comfortable bed, the overall device due to the air contained in the circulating water There is also a disadvantage in that the circulation efficiency of the circulation water falls over.

The problem to be solved by the present invention is to provide a hot water supply device for hot water mat that can further improve the service life of the pump and the initial hot water circulation rate of the driving by minimizing the load on the pump during the initial or restarted operation. .

Another object of the present invention is to solve the natural exhaust for the air (Air) generated during the hot water circulation process, and thus can reduce the noise generated in the pipe to implement a single circulation pipe, overall device It is to provide a hot water supply device for hot water mat that can further improve the circulation efficiency of the circulation water over.

The present invention as a means for solving the above problems, the hot water supply apparatus for providing hot water to the hot water mat for the purpose of heating, the body consisting of the upper case and the lower case; A water tank assembled to a lower case of the main body and having an inlet and an outlet to allow the circulation water to flow in and out of the internal space of a predetermined volume for temporarily receiving the circulation water; A replenishment water tank integrally formed at an upper portion of the water tank and having a volume of an inner space to temporarily accommodate replenishment water provided from the outside; A heater extending through the bottom surface of the tank and extending into the tank; An inlet connected to an outlet of the water tank through a pipe, and an outlet pipe connected to an outlet connected to the outlet to forcibly circulate hot water contained in the water tank; And a control unit electrically connected to the heater and the pump to control the pump and the heater operation, wherein the water tank has a plurality of air vents extending toward the inside of the replenishment water tank, In order to be provided with circulating water, there is provided a hot water supply device for hot water mat, characterized in that the communication with the replenishment water tank via a connecting passage.

Here, the water tank and the replenishment water tank, respectively, by installing a temperature sensor for measuring the temperature of the circulating water accommodated in the tank and a water level sensor for measuring the amount of the replenishment water contained in the replenishment tank, the user desired temperature It is desirable to be able to replenish the circulation water when the implementation and lack of circulation water.

Preferably, according to an embodiment of the present invention, the cover may be further coupled to the bottom of the tank to fix the heater to the bottom of the tank, wherein the tank and the cover is to use a heat-resistant metal material desirable.

In addition, a gap is provided between the inner wall of the tank and the edges of both sides of the partition wall by installing a partition wall in front of the outlet inside the tank to prevent vortex formation in the process of circulating water out of the tank through the narrow outlet of the tank. It is preferable to allow the circulating water to flow to the outlet side through.

In addition, by installing a bimetal having a high temperature disconnection function on the outer wall of the tank, it may be preferable to configure the power supply to the heater through the bimetal disconnection in advance when the tank is overheated.

In addition, the replenishment water tank has an inlet for refilling water in the upper surface, the inlet is configured to be opened or closed by a sealing lid detachably assembled in the opening formed in the upper case of the position corresponding to the inlet. This is preferred.

According to an embodiment of the present invention having the above-described configuration, when a surge occurs in the circulation pipe due to the stoppage of the pump, the water tank provided on the pipeline immediately before the circulation water flows into the pump serves as a surge tank. . Accordingly, the pressure in the pipe connecting the water tank and the pump is always kept the same. Therefore, the load on the pump is greatly reduced when the pump is started or restarted according to a user's operation command. The advantage is that the exchange rate is very good.

In addition, the tank in which the circulating water flows for a while is provided with at least one air vent extending toward the replenishment water tank, and when the air is included in the circulating water, the included air passes through the water tank while passing through the tank. It can naturally be exhausted to the make-up tank side. As a result, air is not included in the circulating water through the water tank, so that the circulating noise in the pipes is significantly reduced, thereby providing a comfortable sleep, and the circulation efficiency of the circulating water is improved throughout the apparatus, thereby improving device reliability. There is also an effect.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are respectively an exploded perspective view showing the main part according to the combination and the exploded perspective view showing the hot water supply apparatus according to an embodiment of the present invention, Figure 3 is an exploded perspective view of the water tank shown in Figs. 4 is a cross-sectional view taken along line AA of the water tank according to FIG. 2, FIG. 5 is a cross-sectional view taken along line BB of the water tank according to FIG. 2, and FIG.

1 to 6, the hot water supply device according to the present invention includes a main body 10 including an upper case 10b and a lower case 10b, and a lower case 10b of the main body 10. The tank 20 to be assembled in the tank, the supplementary water tank 30 is formed integrally with the tank 20, and the heat generating portion 42 is located in the inner space of the tank 20, the tank 20 A heater 40 for heating the circulated water temporarily stored in the pump, a pump 50 for forcibly circulating the circulated water heated by the heater 40, and a device including the heater 40 and the pump 50. It consists of a control part 60 for drive control.

The water tank 20 is a cylindrical structure having a cylindrical or polygonal cross section having a predetermined volume of internal space capable of accommodating an appropriate amount of circulating water, and the inlet 22 to allow the circulating water to flow in and out of the internal space. And an outlet 24 integrally formed on opposite sidewalls, and an inlet 22 of the water tank 20 is connected to an inlet pipe 72 for introducing circulating water circulating in the hot water mat into the water tank 20. The outlet 24 is connected to the pump 50 via a flexible tube 70. Accordingly, the circulating water circulated through the hot water mat (not shown) is introduced into the water tank through the water inlet pipe 72 and stays there for a while to receive thermal energy from the heater 40 to be converted into hot water. When the pump 50 is operated, the outlet is passed through the outlet 24 toward the pump 50.

When the circulating water temporarily accommodated in the water tank through the narrow outlet of the water tank 20 is discharged out of the water tank by the driving of the pump, the flow path section of the outlet 24 is relatively small compared to the area of the water tank 20. 24) Vortex may occur from the front, which may cause unpleasant noise. Therefore, the partition 23 is installed in front of the outlet inside the water tank 20 to have a gap C spaced a predetermined distance between the inner wall of the water tank 20 and its left and right edges, as shown in FIGS. 4 to 6. It is preferable to allow the circulation water to flow to the outlet 24 through the spaced gap C between the inner wall of the water tank 20 and both edges of the partition 23.

The replenishment water tank 30 serves as a tank for temporarily storing the replenishment water supplied from the outside so that the water can be supplied to the water tank through the lack of water in the tank 20, the replenishment provided from the outside It has an internal space of a volume to temporarily accommodate the water, and is connected to the water tank 20 via a connecting passage 28 for providing supplemental water to the water tank 20. Therefore, when the circulation water accommodated in the water tank 20 is insufficient, the fresh water replenished in the supplement water tank 30 is supplied to the water tank 20 through the connection passage 28 to fill an insufficient amount, thereby the water tank 20 The amount of water filled in can be kept constant at all times.

When the replenishment water is introduced into the replenishment water tank 30, replenishment water may be introduced through an inlet 32 formed on the top surface of the replenishment water tank 30, and the inlet 32 corresponds to the inlet 32. It is opened or closed by the sealing lid 14 detachably assembled to the opening 12 formed in the upper case 10b of the position. Therefore, to add the replenishment water to the replenishment water tank 30, the replenishment water in the state in which the inlet 32 is opened by opening the closing lid 14 of the upper case 10b closing the inlet 32 You can supplement it.

The water tank 20 is provided with at least one air vent 26 extending from the water tank 20 and extending toward the inside of the make-up water tank 30, wherein the air vent 26 passes through the water tank. It serves to exhaust the air contained in the circulating water to the replenishment water tank 30 side. Therefore, when air is included in the circulating water passing through the water tank 20, the air included therein is naturally exhausted to the supplemental water tank 30 through the air vent 26 while passing through the water tank 20. As a result, air is not included in the circulating water passed through the water tank 20.

The water tank 20 and the supplemental water tank 30 as described above, respectively, the amount of supplemental water contained in the temperature sensor 25 and the supplemental water tank 30 for measuring the temperature of the circulating water contained in the tank 20 The water level sensor 35 for measuring may be installed. In this case, the user can simply implement the proper temperature desired by the user by simply adjusting the controller (not shown) included in the controller 60. When the circulation water is insufficient, the user can display the speaker sound or lighting lighting associated with the sensor. This can be detected immediately and replenished with circulating water.

The heater 40 is a structure that is electrically connected to the control unit 60 to adjust the heating temperature, the heating portion extending through the through hole 27 formed in the bottom surface of the tank 20 into the tank 20 And a flange portion 44 integrally formed at the lower end of the heat generating portion 42 in a shape in contact with the outer bottom surface of the 42 and the water tank 20. As the heater 40, it is preferable to apply a PTC (Positive Temperature Coefficient) heater which has a characteristic of a faster temperature rise than a general heater and can realize a low power consumption because no current flows during constant temperature heating.

In mounting and fixing the heater 40 to the water tank 20, as shown in FIG. 3, the heat generating part 42 of the heater 40 passes through the through hole 27 and is positioned in the water tank 20. The flange portion 44 of the 40 may be mounted by being tightly coupled to the lower surface of the tank by using a bolt or the like, but a cover coupled to the bottom of the water tank 20 to fix the heater 40 to the lower surface of the water tank 20 ( 29, the flange portion 44 of the heater 40 is preferably configured to be tightly fixed between the cover 29 and the bottom of the water tank 20. At this time, the water tank 20 and the cover 29 may be made of a heat-resistant metal as a material so as not to be affected by high temperature during heating of the heater.

The heater 40 is electrically connected to a control unit 60 having a controller (not shown), and the heat generation temperature thereof is controlled. The control unit 60 is a pump 50 for forcibly circulating water as well as a heater. It is also electrically connected to and periodically controls the periodic driving of the pump 50 by applying an operation command to the pump 50. At this time, the control unit 60 includes a setting button for setting a temperature related to hot water, a display unit for displaying an operation state, and a control board that implements a circuit suitable for various various devices, that is, a PCB (not shown).

The heater 40 is controlled to the heat generation temperature according to the temperature control of the control unit as described above, the control unit 60 is electrically connected to the temperature sensor 25 for sensing the temperature of the circulating water accommodated in the tank temperature The temperature of the circulating water in the water tank 20 is controlled based on the temperature of the circulating water detected by the sensor 25. However, if the temperature control function is not exerted due to the failure of the temperature sensor 25, over-heating may affect the electrical components arranged around, which may lead to fire due to short circuit, short circuit, or short circuit. Can be.

Therefore, by installing a bimetal (aka 'fuse', 21) having a high temperature break function and electrically connected to the control unit and the heater on the outer wall of the water tank 20, the water tank by overheating due to a temperature sensor 25 failure When the 20 is overheated, the bimetal 21 is disconnected so that the power applied to the heater 40 is cut off in advance, and thus it is preferable to ensure safety from damage to an electric component or a fire.

1 to 2, the inlet 52 is connected to the outlet 54 of the water tank 20 through a pipe, and the outlet 54 has an outlet pipe extending out of the main body ( 74 is connected, and the circulating water contained in the water tank 20 is discharged to the outside through the water discharge pipe 74 and returned to the water tank 20 again via the hot water circulation pipe disposed in the hot water mat (not shown). In order to be able to continuously circulate one circulation pipe is to serve to circulate the circulation water accommodated in the tank (20).

In the embodiment of the present invention, when the inlet 52 of the pump 50 is connected to the water tank 20 through a pipe, when a surge phenomenon occurs due to the shutdown of the pump 50, the reverse flow is thereby performed. The circulated water can be returned to the water tank 20 through the pipe 70, and thus the pressure in the pipe connecting the water tank 20 and the pump 50 can be always maintained the same. That is, the water tank is disposed in front of the pump in the path in which the circulating water moves, so that when the pump 50 is stopped, the water tank 20 serves as a surge tank.

In the drawings, reference numerals 90a and 90b indicate hose connectors for connection with the hot water circulation pipe disposed on the hot water mat.

The following describes the hot water generation and circulation process performed through the hot water supply apparatus according to the present invention having the above-described configuration in connection with the operation of the present invention.

7 is an operational state diagram showing the circulation of water according to the hot water supply device driving according to the present invention (see arrow direction).

Referring to FIG. 7, the power switch provided in the control unit 60 is turned on, and the heater 40 generates heat to heat the circulating water temporarily stored in the water tank. 50 is driven to provide heating to the hot water mat by providing the heated circulating water to the hot water circulation pipe (not shown) disposed in the forced discharge hot water mat.

Specifically, the circulating water circulated in the hot water mat (not shown) together with the driving of the pump 50 flows into the water tank 20 through the hose connector 90a and the water tank inlet 22, where the heater 40 is It is heated through and flows into the pump 50 through the outlet 24 in the form of hot water.

If the circulation water temporarily accommodated in the water tank 20 during the above process, since the replenishment water is provided from the replenishment water tank 30 through the connection passage 28, the circulation water contained in the water tank 20 always maintains a constant water level. In the process of passing through the water tank 20, the air included in the circulating water is naturally exhausted to the replenishment water tank 30 through the air vent 26.

On the other hand, the circulating water passed through the pump 50 is provided to the hot water mat outside the device through the outlet pipe 74 and the other hose connector (90b), that is, the circulation water provided to the hot water mat through the hose connector (90b), The hot water implements heating by heating the mat via the hot water circulation pipe (not shown) disposed in the hot water mat (not shown), and returns to the water tank 20 through the hose connector 90a again.

The circulation of the circulating water including the above process is repeated until the hot water implementing the heating for the hot water mat reaches the set temperature, and the set temperature controls the temperature controller of the analog or digital type provided in the controller 60. It can be adjusted by controlling the exothermic temperature of the heater through.

According to the embodiment of the present invention described above, a water tank 20 provided on the pipeline immediately before the circulating water is introduced into the pump is provided, the water tank 20 in the pipe 70 when the pump 50 is stopped in the middle It serves as a surge tank to defend against the generated surge phenomenon. Accordingly, since the internal pressure of the pipe 70 connecting the water tank 20 and the pump 50 is always maintained the same, the load applied to the pump when the pump is initially started or restarted according to a user operation command is significantly reduced. The pump circulation efficiency can be further improved.

In addition, the water tank 20 in which the circulating water is temporarily suspended is provided with at least one air vent 26 extending toward the replenishment water tank 30, so that the air is included in the circulating water. Air may be naturally exhausted to the make-up water tank 30 through the air vent 26 while passing through the water tank 20. As a result, since the air is not included in the circulating water passing through the water tank 20, there is an advantage in that the circulating noise in the pipe caused by the air is significantly reduced.

In the detailed description of the present invention, only specific embodiments thereof have been described. It is to be understood, however, that the present invention is not limited to the specific forms referred to in the description, but rather includes all modifications, equivalents, and substitutions within the spirit and scope of the present invention as defined by the appended claims. Should be.

1 is an exploded perspective view showing an exploded view of the hot water supply device according to the present invention.

Figure 2 is an enlarged perspective view showing the configuration of the main part of the hot water supply apparatus according to the present invention.

3 is an exploded perspective view of the water tank shown in FIGS.

4 is a cross-sectional view of the water tank shown in FIG. 2 as viewed from the A-A line direction.

FIG. 5 is a cross-sectional view of the water tank shown in FIG. 2 as viewed from the B-B line direction. FIG.

FIG. 6 is a cross-sectional view of the water tank shown in FIG. 2 as viewed from the C-C line direction. FIG.

7 is an operational state diagram of the present invention showing the flow of circulating water implemented through the hot water supply device according to the present invention.

<Description of Signs of Major Parts of Drawings>

10 ... body 10a ... top case

10b ... Bottom case 12 ... opening

14 ... tight lid 20 ... water tank

22.Inlet 24.Outlet

25 Temperature sensor 26 Air vent

27 ... via 28 ... connected passage

29 Cover 30 Filling tank

32.Inlet 35.Water level sensor

40.Heater 42.Heating part

44 Flange 50 Pump

60 ... control part 70, 72, 74 ...

Claims (7)

In the hot water supply device for providing hot water to the hot water mat for the purpose of realization of heating, A main body consisting of an upper case and a lower case; A water tank assembled to a lower case of the main body and having an inlet and an outlet to allow the circulation water to flow in and out of the internal space of a predetermined volume for temporarily receiving the circulation water; A replenishment water tank formed at an upper portion of the water tank and forming an internal space having a volume sufficient to temporarily receive replenishment water provided from the outside; A heater extending through the bottom surface of the tank and extending into the tank; An inlet connected to an outlet of the tank through a pipe, and an outlet pipe connected to an outlet connected to the outlet to forcibly circulate hot water contained in the tank; And A control unit electrically connected to the heater and the pump to control the pump and the heater operation, The tank, Hot water for hot water mat having a plurality of air vents extending toward the interior of the replenishment water tank, in communication with the replenishment water tank via a connecting passage so as to receive a insufficient amount of circulating water from the replenishment water tank Feeder. The method of claim 1, The tank and the supplemental water tank, respectively, Hot water supply device for hot water mat, characterized in that the temperature sensor for measuring the temperature of the circulating water contained in the tank and the water level sensor for measuring the amount of the replenishment water contained in the replenishment tank. The method of claim 1, Hot water supply device for hot water mat, characterized in that it further comprises; cover coupled to the bottom of the tank to fix the heater to the tank. The method of claim 3, wherein The tank and the cover is hot water supply device for hot water mat, characterized in that the heat-resistant metal material. The method of claim 4, wherein In front of the exit inside the tank, Hot water supply device for hot water mat, characterized in that the partition is further installed to prevent the formation of vortex of circulating water flowing out of the tank through the outlet. The method of claim 5, wherein On the outer wall of the tank, Hot water supply device for hot water mat, characterized in that the bimetal is further installed to cut off the power applied to the heater is disconnected when the tank is overheated. The method of claim 1, The replenishment water tank has an inlet for replenishment water input on an upper surface thereof, and the inlet is opened or closed by a sealing lid detachably assembled to an opening formed in an upper case at a position corresponding to the inlet. Hot water supply system.

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