KR102004653B1 - Heating apparatus for motor home - Google Patents

Abstract

The present invention relates to a heating apparatus for a motor home, which is able to discharge water remaining inside a heat exchanger, which circulates a heat transfer fluid and receives cold water at the same time to exchange heat, to the outside of the heat exchanger, and to prevent the heating apparatus from being damaged or being out of order due to water remaining in the heat exchanger when the heating apparatus is not in use. More specifically, the present invention is able to discharge the remaining water in the heat exchanger manually by using a three-way valve or by using a three-way valve along with a pump or to discharge the water remaining in the heat exchanger automatically by mounting a solenoid valve on the three-way valve or by using a solenoid valve, which controls the pump, along with a switch, thereby effectively discharging the water remaining in the heat exchanger when a user wants to discharge the water, preventing the heat exchanger from freezing and bursting or being damaged, and using the heat exchanger safely and conveniently.

Description

{HEATING APPARATUS FOR MOTOR HOME}

The present invention relates to a heating device for a motor vehicle, and more particularly, to a heating device for a camping car, more particularly, to a device for heating water supplied to a heat exchanger for heat exchange between a heat transfer fluid and cold water, Therefore, the water remaining in the heat exchanger can be eliminated, and the heat exchanger can be prevented from being frozen or damaged due to the residual water.

Motorhomes are cars that have a variety of living facilities in their cars so that they can travel for a long time. In particular, a camper car is equipped with a variety of living facilities so that the interior of the car can be remodeled like a house so that the user can use it safely and conveniently. As shown in the following Patent Documents 1 and 2, heating equipment and hot water are supplied to the living facilities to provide comfortable and comfortable resting in the camper.

(Patent Document 1) Korean Patent No. 1773015

The present invention relates to a heating device for a camping car, comprising: a housing provided in a camper, for heating the inside of the camper and generating hot water, the housing having a suction inlet through which the outside air flows and an outlet through which the heated air, ; A ventilating fan installed inside the housing to the inlet and forcibly introducing outside air into the outlet; A combustion chamber provided with an exhaust port and provided with a radiating fin on an outer surface thereof and facing the exhaust port from the inside of the housing so that external air moving from the inlet port to the exhaust port contacts with the radiating fins in the heat exchange space, A burner provided inside the combustion chamber so as to generate heat by burning fuel supplied from the combustion chamber, and a combustion fan having a supply fan and a combustion air flow path for supplying external combustion air to the combustion space of the combustion chamber, And a heat exchange oil member having an extended heat exchange space is coupled to the exhaust port and a heat medium oil tank in which the heat medium oil heated by the exhaust gas discharged through the exhaust port is accommodated is provided in the heat exchange member, On one side of the thermal oil tank, one end is connected to the heating and hot water And the other end of the heating pipe installed in the combustion space is connected to the other end of the heating oil tank, and the heated heat oil in the heating oil tank is distributed to the heating and hot water use unit And the heated air discharged to the outlet of the hot air generating unit is heated by raising the indoor air of the camping car to heat the indoor space and the heated thermal oil stored in the thermal oil tank installed in the exhaust port is heated And the hot water use unit to heat the floor of the camper, thereby generating hot water. According to the present invention, hot air is supplied to the room of a vehicle or a camper car by using a scarcely-used heater which is mainly used in a camper car or the like including the vehicle, so that the temperature of the air inside the camper car can be raised to heat it, It is possible to provide the effect that the heated water can be heated by supplying the heated heat medium oil to the heated water panel which is heated by the heating water,

(Patent Document 2) Korean Patent No. 1785571

A hot water tank including a raw water replenishing port to maintain a predetermined temperature by a heating means so that not only floor heating of a camper car but also indoor heating can be performed using one hot water tank; A floor heating unit connected to the hot water tank and capable of heating the bottom of the camper by the circulation pump; A hot water supply unit in which a direct water is introduced into the hot water tank by a supply pump, heat-exchanged by hot water heated to a predetermined temperature in the hot water tank, and then discharged; An indoor heating unit connected to the hot water tank and circulating hot water circulated by the circulation pump to a room through a blowing duct provided in a camper; And an operation unit provided to select whether to use the floor heating unit, the hot water supply unit, and the indoor heating unit. Accordingly, it is possible to smoothly receive from heating to hot water supply without needing to install various facilities within a limited space such as a camping car.

However, existing heating systems for camper cars have the following problems.

(1) A heating device for a camper car uses heat transfer fluid to circulate through a heat exchanger, and transfers heat to direct water (raw water), thereby converting cold water into hot water. Such a heating device for a camcorder may cause the heat exchanger to break down or break when the heating device is not used.

(2) That is, the heat exchanger converts the cold water into hot water through heat exchange between the heat transfer fluid and the cold water by supplying the cold water while the heat transfer fluid passes. At this time, the water supplied to the heat exchanger remains in the heat exchanger do.

(3) The water remaining in the heat exchanger may cause the heat exchanger to freeze or break when the temperature around the motorcycle is low or freezing in winter.

(4) Therefore, there is a need for a technique capable of protecting the heat exchanger from being frozen or damaged even in winter.

Korean Registered Patent No. 1773015 (Registered on July 27, 2017) Korean Registered Patent No. 1785571 (Registered on July 27, 2017)

The present invention takes these points into consideration, and it is possible to discharge the water remaining in the heat exchanger, which circulates the heat transfer fluid and simultaneously receives the cold water to perform the heat exchange, to the outside of the heat exchanger. And it is an object of the present invention to provide a heating device for a camcorder which is capable of preventing breakage or failure of a heating device due to water remaining in the heat exchanger when the heating device is not used.

Particularly, the present invention can be applied to a case where a three-way valve or a three-way valve and a pump are used to manually discharge water remaining in the heat exchanger, a solenoid valve for mounting the solenoid valve on the three- The water remaining in the heat exchanger can be discharged to the outside of the heat exchanger effectively, so that the heat exchanger can be prevented from being frozen or damaged and thus safe and convenient to use. There is another purpose in providing heating for one camper.

In order to achieve the above object, a heating device for a camcorder according to [Embodiment 1] of the present invention comprises a tank (10) filled with a heat transfer fluid; A first pump (20) for feeding the heat transfer fluid in the tank (10); A heater 30 for heating the heat transfer fluid supplied from the first pump 20; A heat exchanger (40) for exchanging heat transfer fluid supplied from the heater (30) with water and circulating the heat transfer fluid to the tank (10); A water tank 50 for supplying cold water to the heat exchanger 40 by a second pump 51; A three-way valve (60) installed between the heat exchanger (40) and the water tank (50) to supply cold water to the heat exchanger (40) or to discharge hot water into the water tank (50); And a drain port (70) for transferring hot water exchanged with the heat exchanger (40) to the outside.

Particularly, the three-way valve 60 is connected to the lower portion of the heat exchanger 40 mounted on the motorcycle, and water remaining in the heat exchanger 40 by gravity is discharged to the water tank 50 do.

A third pump 61 is provided between the water tank 50 and the three-way valve 60 in a conduit for discharging the residual water remaining in the heat exchanger 40 to the water tank 50 do.

The three-way valve (60) is characterized in that the flow direction of the fluid can be changed by the solenoid valve (62).

On the other hand, the heating device for a camcorder according to [Embodiment 2] of the present invention comprises a tank 10 filled with a heat transfer fluid; A first pump (20) for feeding the heat transfer fluid in the tank (10); A heater 30 for heating the heat transfer fluid supplied from the first pump 20; A heat exchanger (40) for exchanging heat transfer fluid supplied from the heater (30) with water and circulating the heat transfer fluid to the tank (10); A water tank 50 filled with water; A second pump (51) installed in the water tank (50) for feeding water through the water pump; A third pump (61) installed in a water channel for introducing water into the water tank (50); One of which is connected to the heat exchanger 40 and the other of which is connected to the second and third pumps 51 and 61 and the cold water filled in the water tank 50 is supplied to the heat exchanger A solenoid valve 80 for switching the operation of the pump so that the water remaining in the heat exchanger 40 is drained to the water tank 50 by the third pump 61; A switch (90) for controlling the second and third pumps (51, 61) and the solenoid valve (80) so that cold water is fed and hot water is drawn; And a drain port (70) for transferring hot water exchanged with the heat exchanger (40) to the outside.

Here, the switch 90 is a selected switch or a three-contact switch.

Finally, the heating device for a camping car according to the present invention is characterized in that the heat exchanger (40) is a plate heat exchanger.

The heating device for a camcorder according to the present invention has the following effects.

(1) Since it is supplied to the heat exchanger and used as hot water and the remaining water is removed from the heat exchanger, it is possible to prevent the accident or damage of the heat exchanger caused by the heat exchange due to the water remaining in the heat exchanger in winter.

(2) In particular, since the cold water is supplied to the heat exchanger to obtain the hot water using the three-way valve and the water remaining in the heat exchanger is drained to the water tank through the three-way valve, Can be effectively discharged.

(3) In addition, since the three-way valve is configured to discharge the water remaining in the inside of the heat exchanger through the lower portion of the heat exchanger in a state where the heat exchanger is mounted on the camcorder, Water remaining in the heat exchanger can be removed.

(4) On the other hand, since the pump is installed between the three-way valve and the water tank that stores the water remaining in the heat exchanger, the water remaining in the heat exchanger is more efficiently discharged through the pump to increase the protection effect of the heat exchanger .

(5) Since the three-way valve is configured to be automatically controlled by mounting a solenoid valve, anyone can easily control the three-way valve to obtain hot water by supplying cold water to the heat exchanger, It can be easily and conveniently discharged to the outside of the heat exchanger.

(6) Finally, a pump is installed in the pipe for discharging the cold water from the heat exchanger to the water tank and the water remaining in the heat exchanger to the water tank, and these pumps are configured to be controlled through solenoid valves and switch operation , The camper can easily select the hot water or the drainage of the remaining water and use it conveniently.

1 is a view showing a configuration of a heating device for a camper car according to [Embodiment 1] of the present invention, in which (a) shows a state in which hot water is supplied by a heating device, (b) And discharging the remaining water to the water tank.
FIG. 2 is a view showing a configuration in which a pump is added for discharging remaining water in the construction of a heating device for a camcorder according to [Embodiment 1] of the present invention, wherein (a) shows a state in which hot water is supplied by a heating device , and (b) show the state of discharging the water left in the exchanger to the water tank by the three-way valve.
3 is a view showing a configuration in which a pump is added to discharge the remaining water in the construction of the heating device for a camcorder according to [Embodiment 1] of the present invention, and at the same time, a three-way valve is controlled by a solenoid valve, (B) shows a state in which the water remaining in the exchanger is discharged to the water tank by the three-way valve, respectively.
Fig. 4 is a diagram showing a configuration of a heating device for a camper car according to [Embodiment 2] of the present invention, in which (a) shows a state in which hot water is supplied by a heating device, (b) And discharging the remaining water to the water tank.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should properly define the concept of the term to describe its invention in the best possible way The present invention should be construed in accordance with the spirit and scope of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Thus, various equivalents And variations may be present.

The heating device for a camping car according to the first embodiment of the present invention includes a tank 10, a first pump 20, a heater 30, a heat exchanger 40, A water tank 50, a three-way valve 60, and a drain port 70.

Particularly, the three-way valve 60 supplies cold water to the heat exchanger 40 from the water tank 50 to obtain hot water through the heat exchanger 40, and at the same time, The water is discharged to the water tank 50, so that the heat exchanger 40 can be prevented from breakage such as freezing, breakage, or explosion.

At this time, the three-way valve (60) is configured such that water remaining in the heat exchanger (40) through the lower part of the heat exchanger (40) in the state where the heat exchanger (40) So that the water can be discharged efficiently by using gravity.

The third pump 61 is installed between the water tank 50 and the three-way valve 60 so that the water discharged from the heat exchanger 40 can be discharged more effectively in a short time.

Also, since the solenoid valve 62 is installed in the three-way valve 60, the three-way valve 60 is electrically controlled so that hot water supply and drainage of the remaining water can be performed conveniently and safely.

Hereinafter, this configuration will be described in more detail with reference to the accompanying drawings. In the figure, a thin arrow represents the flow of heat transfer fluid, a hollow arrow represents the flow of cold water, and a bellow arrow represents the flow of hot water.

<Tank>

The tank 10 is filled with a heat transfer fluid therein and supplied to the heat exchanger 40 through a first pump 20 to be described later and circulated again as shown in Figs. Here, the heat transfer fluid circulates in the form of a closed cycle such as an air conditioner or a refrigerant such as a refrigerator, and the heat exchanger 40 exchanges heat with another fluid or gas at a predetermined position, for example, It says.

Any person skilled in the art will readily recognize that such heat transfer fluids can be made using conventional techniques such as water, air, and refrigerant.

<First Pump>

The first pump 20 uses a pump manufactured by a conventional technique for feeding the heat transfer fluid filled in the tank 10 described above to the heater 30 to be described later as shown in Figs. 1 to 3 .

At this time, it is preferable that the first pump 20 uses a pump capable of effectively feeding the heat transfer fluid sufficiently to obtain a sufficient heating effect when heating the heating device required by the camper.

<Heater>

The heater 30 heats the heat transfer fluid pressed and fed by the first pump 20 and heat exchanges with cold water in a heat exchanger 40 to be described later to obtain hot water as shown in FIGS. 1 to 3 I will.

The heater 30 may be any heater that can control the heat transfer fluid to detonate, cause harm to people nearby, or prevent the heat transfer fluid from being heated to a too high temperature. Any person skilled in the art will readily recognize that the heater 30 can be controlled not to rise above a predetermined temperature.

<Heat exchanger>

The heat exchanger 40 receives the heat transfer fluid heated by the heater 30 described above and receives water from the water tank 50 to perform heat exchange as shown in FIGS. 1 to 3, Exchanger manufactured by a conventional technique that exchanges cold water supplied from the hot water supply unit 50 with hot water is used.

At this time, the heat exchanger 40 may be manufactured in various forms, but in a preferred embodiment of the present invention, it is most preferable to use a heat exchanger manufactured in a plate form. This is because the plate-shaped heat exchanger not only has a large surface area, but also has high heat exchange efficiency and high heat efficiency.

The heat exchanger 40 thus configured recirculates the heat transfer fluid to the tank 10 after the heat exchange. The hot water is discharged to the outside through the drain port 70 to be described later. The water not discharged to the drain port 70 is discharged to the outside And drains to the water tank 50 through the valve 60.

<Water tank>

The water tank 50 is a tank for storing and supplying cold water for obtaining hot water to the heat exchanger 40 described above as shown in [FIG. 1] to [FIG. 3]. At this time, the water tank 50 is used as a tank for storing cold water in a place where hot water is used in a camper car, for example, a quantity of water required for drinking water, heating, washing and the like.

Particularly, the water tank 50 is provided with a second pump 51 for supplying cold water to the heat exchanger 40, as shown in [FIG. 1] to [FIG. 3]. The second pump 51 is a pump for feeding the cold water filled in the water tank 50 to the heat exchanger 40 so that the camper can sufficiently supply the desired warm water through the drain port 70 to be described later.

<Three-way valve>

The three-way valve 60 is a valve manufactured by a conventional technique so as to control the fluid flow in two directions selected from three directions as shown in [FIG. 1] to [FIG. 3].

Particularly, in the present invention, the three-way valve 60 has a structure in which one of the three-way valve 60 and the other of the three-way valve 60 is equipped with the second pump 51 described above, To the heat exchanger (40), and the other of which is connected to the water tank (50) so that the water remaining in the heat exchanger (40) can be drained.

The three-way valve 60 constructed as described above drives the second pump 51 as shown in Fig. 1 (a) to pump the cold water from the water tank 50 to the heat exchanger 40 to perform heat exchange with the heat transfer fluid The hot water is supplied to the heat exchanger 40 for hot water use as shown in FIG. 1 (b), but the water remaining in the heat exchanger 40 is drained to the water tank 50.

In the preferred embodiment of the present invention, the three-way valve 60 has a structure in which a heating device according to the present invention is mounted on a motorcycle when it is connected to the heat exchanger 40 as described above with reference to FIGS. 1 to 3 It is preferable that the three-way valve 60 is connected to a lower portion of the heat exchanger 40 installed at the time when the heat exchanger 40 is installed. This is to allow the water remaining in the heat exchanger 40 to be gravitationally discharged to the water tank 50 through the three-way valve 60.

2, the water remaining in the heat exchanger 40 is introduced into the water tank 50 between the three-way valve 60 and the above-described water tank 50 in the preferred embodiment of the present invention. It is preferable that the third pump 61 be mounted on the pipeline for withdrawing the gas. At this time, the third pump 61 is installed to drain the hot water from the heat exchanger 40 side to the water tank 50 side, so that the water remaining in the heat exchanger 40 can be drained more efficiently .

3, the three-way valve 60 is provided with a solenoid valve 62 to control the flow of cold water and hot water through the solenoid valve 62. In this embodiment, It is preferable to configure it. This is because the three-way valve 60 is configured to be controllable by using the power source, it is possible to quickly and conveniently make the water left in the heat exchanger 40 far away from the three-way valve 60 such as a camper cab or a driver's seat It is possible to discharge it.

<Drain>

The drain port 70 is an outlet for discharging hot water exchanged with the heat transfer fluid in the heat exchanger 40 to the outside of the heat exchanger 40 as shown in Figs.

The drain 70 at this time may be an outlet for using hot water for heating, an outlet for drinking hot water or a distributor for distributing various functions.

According to the present invention as described above, the cold water in the water tank is fed to the heat exchanger through the three-way valve to obtain the necessary hot water, and when the hot water is used, the water remaining in the heat exchanger is drained back into the water tank, It does not break or break.

In addition, although the above-described operation of the pump and the heater is described as being operated individually, the present invention can be configured such that such a configuration can be integrally controlled through a single controller. It will be easy to know.

4, the heating device for a vehicle according to [Embodiment 2] of the present invention includes a tank 10, a first pump 20, a heater 30, a heat exchanger 40, a water tank 50 A second pump 51, a third pump 61, a solenoid valve 80, a switch 90, and a drain port 70.

Particularly, the solenoid valve 80 supplies cold water to the heat exchanger 40 from the water tank 50 or drains the water remaining in the heat exchanger 40 to the water tank 50 according to the operation of the switch 90 So that the cold water supply and the water drainage can be automatically made easier and more convenient.

Further, since the switch 90 uses a selected switch or a three-contact switch, the camber can easily control operations such as cold water supply for obtaining hot water and drainage of water remaining in the heat exchanger as the switch is pressed in a one- It is possible.

Hereinafter, this configuration will be described in more detail with reference to the accompanying drawings. The structure and operation of the tank 10, the first pump 20, the heater 30, the heat exchanger 40 and the drain port 70 are the same as those of the first embodiment described above, The explanation will be omitted and the fluid flow between the heat exchanger 40 and the water tank 50 will be mainly described.

<Solenoid valve>

The solenoid valve 80 is connected to the heat exchanger 40 so as to supply cold water to the heat exchanger 40 or to drain water remaining in the heat exchanger 40 into the water tank 50 ). In the figure, the solenoid valve 80 is configured such that cold water supply and residual water discharge can be performed through one piping to the heat exchanger 40.

The solenoid valve 80 uses a valve manufactured by a conventional technique capable of determining a channel for supplying cold water and discharging residual water.

&Lt; Second pump and third pump &

The second pump 51 is a pump manufactured by a conventional technique in which water filled in the water tank 50 is mounted on a pipe for feeding water out of the water tank 50 as shown in FIG. At this time, the conduit to which the second pump 51 is attached is connected to the solenoid valve 80 so as to selectively perform cold water pressure feeding or hot water discharge.

The third pump 61 is mounted on a duct for discharging the water remaining in the heat exchanger 40 into the water tank 50, as shown in FIG. At this time, the piping to which the third pump 61 is attached is connected to the solenoid valve 80 in addition to the pipeline having the second pump 51 described above. Through the control of the solenoid valve 80, And the remaining water remaining in the unit 40 can be sent to the water tank 50. [

<Switch>

The switch 90 connects the solenoid valve 80 and either one of the first and second pumps 51 and 61 to the heat exchanger 40 as shown in Fig. So that the water remaining in the heat exchanger (40) can be drained.

To this end, the switch uses a select switch or a three-contact switch. These types of switches usually include three contacts (a contact, b contact, and c contact), of which two contacts (a contact and c contact, or b contact and c contact) The circuit is configured to operate in contact.

That is, when the a-contact and the c-contact are connected as shown in Fig. 4 (a), the switch 90 turns on the cold water of the water tank 50 through the solenoid valve 80 by driving the second pump 51 A circuit is configured so that the solenoid valve 80 and the second pump 51 can be operated so that hot water can be supplied to the heat exchanger 40 by pressure. When the b contact and the c contact are connected as shown in FIG. 4 (b), the switch 90 discharges the water remaining in the heat exchanger 40 to the water tank 50 through the solenoid valve 80 The solenoid valve 80 and the third pump 61 can be operated.

According to the present invention as described above, cold water is supplied from a water tank to a heat exchanger through a simple operation of operating a switch, so that necessary hot water can be obtained or water remaining in a heat exchanger can be easily drained to a water tank.

10: tank 20, 51, 61: first, second, third pump
30: heater 40: heat exchanger
50: water tank 51: second pump
60: Three-way valve 62: Solenoid valve
70: Drain 80: Solenoid valve
90: Switch

Claims (7)

delete delete delete delete A tank (10) filled with a heat transfer fluid;
A first pump (20) for feeding the heat transfer fluid in the tank (10);
A heater 30 for heating the heat transfer fluid supplied from the first pump 20;
A heat exchanger (40) for exchanging heat transfer fluid supplied from the heater (30) with water and circulating the heat transfer fluid to the tank (10);
A water tank 50 filled with water;
A second pump (51) installed in the water tank (50) for feeding water through the water pump;
A third pump (61) installed in a water channel for introducing water into the water tank (50);
One of which is connected to the heat exchanger 40 and the other of which is connected to the second and third pumps 51 and 61 and the cold water filled in the water tank 50 is supplied to the heat exchanger A solenoid valve 80 for switching the operation of the pump so that the water remaining in the heat exchanger 40 is drained to the water tank 50 by the third pump 61;
A switch (90) for controlling the second and third pumps (51, 61) and the solenoid valve (80) so that cold water is fed and hot water is drawn; And
And a drain port (70) for externally sending hot water, which has been heat-exchanged to the heat exchanger (40), to the outside.
The method of claim 5,
The switch (90)
Wherein the switch is a select switch or a three-contact switch.
The method according to any one of claims 5 to 6,
The heat exchanger (40)
Wherein the heat exchanger is a plate-type heat exchanger.

Images