JP6248161B2 - Water heater - Google Patents

Description

  The present invention relates to a chiller / heater, and more particularly, to a chiller / heater that can improve cleanliness.

  In recent years, environmental pollution has become severe due to rapid industrial development. Among them, water pollution has reached a serious level, and in most places such as homes and public offices, water is purified and drunk as drinking water. It is the actual situation.

  In a broad sense, a chiller / heater means a device that heats or cools the water and supplies it with chilled water and hot water, purifies the water supplied from an external water source, or stores it in a raw water tank A device for supplying the purified water.

  Such a chiller / heater is provided with a chilled water tank and a hot water tank separately so that the chilled water and the hot water can be separately stored, and the chilled water tank is provided with a cooling device for cooling the water. A heating device is provided for heating the water. The cold water tank and the hot water tank are interconnected through a separate connecting pipe, and the water supplied to the internal space of the cold water tank is supplied to the hot water tank through the connecting pipe.

  Research is being conducted to improve the cleanliness of such a water heater.

  This invention is for solving the above problems, and this invention provides the water heater with improved cleanliness.

  Moreover, this invention provides the cold water heater which can increase the part sterilized with the warm water of a warm water tank.

  In addition, the present invention provides a chiller / heater in which convenience for the user is improved when a water tank is placed using a drawer, and cleanliness can be improved using a stainless steel pipe.

  In order to achieve the above object, the present invention provides a cabinet that forms an outer tube, a cold water tank that is provided in an upper part of the cabinet and stores cold water, and a hot water that is provided in the upper part of the cabinet and stores hot water. A tank, a drawer part provided at the lower part of the cabinet and capable of being drawn in or drawn out, a water tank engaged with the drawer part, and water contained in the water tank are raised to the cold water tank or the hot water tank A first pump that provides pressure; a first connection pipe that is provided in the drawer and forms a flow path through which water is discharged from the water tank; and water from the first connection pipe is the hot water tank or the cold water tank A second connecting pipe that forms a flow path to be supplied to the second connecting pipe, a third connecting pipe that forms a flow path through which water moves to the second connecting pipe, the first connecting pipe, the second connecting pipe, and the Third connecting pipe And a first three-way valve that selectively forms a flow path by two connecting pipes, wherein the second connecting pipe and the third connecting pipe are respectively connected to the first three-way valve. A first pipe, a second pipe connected to the first pipe, a third pipe connected to the second pipe, the first pipe and the second pipe rotatably coupled to each other; A cooler / heater comprising a connector for rotatably connecting a pipe and the third pipe, wherein the first pipe, the second pipe, and the third pipe are made of stainless steel.

  According to the present invention, the portion that can be sterilized by the hot water in the hot water tank is increased, and the cleanliness of the piping of the chiller / heater can be improved.

  Further, according to the present invention, when the water tank is replaced, the drawer portion can be pulled out, and after the water tank is replaced, the drawer portion can be pulled into the cabinet, and the convenience for the user can be improved.

  In addition, cleanliness can be improved by using a stainless steel pipe as the material of the pipe connected to the water tank, and sterilization can be performed using hot water.

It is a perspective view of the present invention. It is the front view which showed the state from which the cabinet was removed in FIG. FIG. 3 is a rear view of FIG. 2. It is drawing which showed the connection state of the pipe | tube by this invention. It is drawing which showed the waist | hip | lumbar part of this invention. It is sectional drawing of a connector. It is drawing which showed the component installed in a connector. It is drawing which showed the state where a drawer part is pulled out or pulled in.

  Hereinafter, preferred embodiments of the present invention capable of realizing the above-described object will be described with reference to the accompanying drawings.

  In this process, the size and shape of the components shown in the drawings may be exaggerated for the sake of clarity and convenience. In addition, terms that are specifically defined in view of the configuration and operation of the present invention may vary depending on the user's, operator's intentions or practices. Definitions for such terms must be determined based on the overall content of this specification.

  FIG. 1 is a perspective view of the present invention.

  Referring to FIG. 1, the chiller / heater includes a cabinet 10 that forms an appearance, and the cabinet 10 is provided with a lever 6 that can be pushed by a user. The user can push the lever 6 to discharge water through the coke 4.

  At this time, a separate button 2 is installed on the coke 4, and water can be discharged to the user only when the user pushes the lever 6 and pushes the button 2. For example, when warm water is provided to the coke 4, the warm water has a temperature at which a user can be burned, and thus when a young child inadvertently presses the lever 6 and does not press the button 2. Hot water can be prevented from being discharged.

  An operation unit 20 that can select the type of water discharged through the coke 4 is provided above the cabinet 10. The user can select any one of hot water, cold water, and room temperature water to be discharged through the operation unit 20 and the coke 4. The operation unit 20 is provided with a button that can sterilize the water cooler / heater. The user can execute internal sterilization of the water cooler / heater at a desired time by pressing the button. At this time, the sterilization can use hot water stored in the hot water tank.

  A display unit 22 that can provide information related to the water heater / cooler is provided on the upper side of the cabinet 10. The display unit 22 can display information about the water heater / cooler to the user, and specifically can display the type of water discharged through the coke 4. For example, if warm water is activated on the display unit 22, it can be displayed that warm water is discharged through the coke 4. In addition, the display unit 22 can provide information to the user regarding whether sterilization of the water heater is performed.

  On the other hand, a tray 8 is provided at the lower part of the coke 4 to accommodate the water that the user has taken out excessively and overflowed from the container. The tray 8 has a storage space of a predetermined size inside, and is arranged so that water is temporarily stored. Of course, a separate drain pipe may be installed in the tray 8 so that the water stored in the tray 8 is drained to the outside of the cabinet 10.

  A cover 12 is provided at the lower part of the cabinet 10, and a user can open the cover 12 and pull out a drawer provided in the cabinet 10. The user can close the cover 12 after drawing the drawer portion into the cabinet 10 so that the inside of the cabinet 10 is sealed from the outside.

  2 is a front view showing a state in which the cabinet is removed in FIG. 1, FIG. 3 is a rear view of FIG. 2, and FIG. 4 is a drawing showing a connected state of the pipes according to the present invention. 5 is a drawing showing the waist of the present invention. 2, 3, and 5 are drawings with the drawer portion removed, and the water tank 80 containing water is placed on the upper side of the drawer portion.

  Hereinafter, a description will be given with reference to FIGS.

  Inside the cabinet 10, there are provided a cold water tank 50 provided in the upper part of the cabinet 10 for storing cold water, and a hot water tank 30 provided in the upper part of the cabinet 10 for storing hot water.

  Under the hot water tank 30 and the cold water tank 50, a water tank 80 for storing water is disposed. The user can replace the water tank 80.

  The present invention includes a first pump 110 that provides pressure to raise the water contained in the water tank 80 to the cold water tank 50 or the hot water tank 30. Since the water tank 80 is disposed below the cold water tank 50 and the hot water tank 30, the first pump 110 is provided to move the water in the water tank 80.

  The present invention provides a first connecting pipe 300 that is provided in the drawing portion 90 and forms a flow path for discharging water from the water tank 80, and water is supplied from the first connecting pipe 300 to the hot water tank 30 or the cold water tank 50. A second connection pipe 340 that forms a flow path to be formed, and a third connection pipe 360 that forms a flow path for water to move to the second connection pipe 340.

  The present invention includes a first three-way valve 210 that connects the first connecting pipe 300, the second connecting pipe 340, and the third connecting pipe 360 to selectively form a flow path by two connecting pipes. . The first three-way valve 210 can connect the first connecting pipe 300 and the second connecting pipe 340, and can connect the second connecting pipe 340 and the third connecting pipe 360. The direction of water movement is changed by the connection flow path of the first three-way valve 210.

  The second connection pipe 340 and the third connection pipe 360 include a first pipe 342 and 362 connected to the first three-way valve 210, and a second pipe 344 connected to the first pipe 342 and 362, respectively. 364 and third pipes 348 and 368 connected to the second pipes 344 and 364. The second connection pipe 340 and the third connection pipe 356 include three pipes that are separated from each other.

  A connector 400 is provided for rotatably connecting the first pipes 342 and 362 and the second pipes 344 and 364, and for rotatably connecting the second pipes 344 and 364 and the third pipes 348 and 368, and The first pipe, the second pipe, and the third pipe may be folded around the connector 400 or rotated while being opened.

  On the other hand, the first pipes 342 and 362, the second pipes 344 and 364, and the third pipes 348 and 368 are made of stainless steel and can improve hygiene compared to pipes made of plastic or the like. .

  The third pipe 348 of the second connection pipe 340 and the third pipe 368 of the third connection pipe 360 are connected to a connection pipe 370 installed so as to be fixed to the cabinet 10, and the third pipe. 348 and 368 and the connecting pipe 370 are rotatably coupled by the connector 400.

  That is, the second connection pipe 340 and the third connection pipe 360 may be folded or opened by a plurality of connectors 400 in the middle, and connected to the outside by the connector 400 at one end.

  The present invention further includes a second three-way valve 220 that selectively connects the second connection pipe 340 and the flow paths 222 and 224 connected to the cold water tank 220 or the hot water tank 30. The second three-way valve 220 allows water to move to a flow path 224 that connects the second connection pipe 340 and the cold water tank 220 or a flow that connects the second connection pipe 340 and the hot water tank 30. The flow path can be selectively changed so that water moves to the path 222. A connection pipe 370 is provided between the second connection pipe 340 and the second three-way valve 220, and water can be moved by connecting the connection pipe 370 therebetween.

  A second pump 120 that moves hot water from the hot water tank 30 to the second three-way valve 220 is provided in a flow path 222 that connects the hot water tank 30 and the second three-way valve 220. The second pump 120 moves hot water from the hot water tank 30 toward the second three-way valve 220, and reverses the flow of water in the flow path 222 when the first pump 110 is driven. be able to.

  The present invention may further include a third three-way valve 230 that selectively connects the third connection pipe 360 and the flow paths 232 and 234 connected by the cold water valve 52 or the normal temperature water valve 54. In the present invention, if the flow path is opened by the cold water valve 52, the cold water can be discharged through the coke 4. If the flow path is opened by the normal temperature water valve 54, the normal temperature water is discharged through the coke 4. Can do. Further, if the hot water valve 32 opens the flow path, the hot water can be discharged through the coke 4.

  The cold water valve 54 is connected to the upper side of the cold water tank 50, and the cold water valve 52 is connected to the lower side of the cold water tank 50 to supply normal temperature water and cold water using one cold water tank 50. be able to. Usually, the lower side of the cold water tank has a relatively low temperature and the upper side has a relatively high temperature.

  The third three-way valve 230 opens a flow path 232 that connects the third connection pipe 360 and the cold water valve 52 or a flow path 234 that connects the third connection pipe 360 and the room temperature water valve 54. It can be selectively opened. A connection pipe 370 is provided between the third connection pipe 360 and the third three-way valve 230, and water can be moved by connecting the connection pipe 370 therebetween.

  The connecting pipe 370 is fixed to the cabinet 10 and does not move even when the drawer 90 is pulled into the cabinet 10 or pulled out of the cabinet 10.

  When water is supplied to the cold water tank 50 or the hot water tank 30 in the water tank 80, the first three-way valve 210 connects the first connection pipe 300 and the second connection pipe 340 to the first pump. 110 is driven.

  As shown in FIG. 5, the second connecting pipe 340 and the third connecting pipe 360 have a plurality of connectors 400 installed in symmetrical portions to form a flow path for water to move. Can do.

  FIG. 6 is a cross-sectional view of the connector, and FIG. 7 is a view showing components installed in the connector.

  Hereinafter, referring to FIGS. 6 and 7, the second connection pipe 340, the third connection pipe 360, or the connection pipe 370 is connected to one end of the connector 400, and the other end is connected to the first connection pipe 370. The two connection pipes 340 or the third connection pipe 360 are coupled.

  The connector 400 includes a housing 410 in which a hollow 414 is formed, a packing 430 fixed to the hollow 414 to which each pipe is engaged, a cap 450 coupled to both ends of the housing 410, and the cap It includes a collet 470 that is secured to the inside of 450.

  The water flowing through the pipes connected to both ends of the connector 400 through the hollow 414 moves from one pipe to another.

  The packing 430 includes a flange piece 432 formed on the outer peripheral surface and a protrusion piece 434 formed on the inner peripheral surface. The flange piece 432 and the protrusion piece 434 are centered with respect to the vertical direction. It arrange | positions so that it may mutually overlap.

  The flange 432 can reduce the friction between the packing 430 and the connector 400 that is generated when the packing 430 is rotated by reducing the area where the outer peripheral surface of the packing contacts the hollow 414 of the connector 400. .

  The protruding piece 434 can reduce an area where the pipe and the inner peripheral surface of the packing are in contact with each other, and reduce friction between the packing 430 and the pipe when the pipe is rotated.

  Accordingly, the wear of the packing 430 due to friction of the connector 400 is small, and the packing 430 can be used for a long time.

  The cap 450 covers exposed portions of both ends of the housing 410 of the connector 400 to provide a shape to which the collet 470 can be coupled.

  The collet 470 protrudes in a radial direction from one end of the extension part 474, a body part 472 that is engaged with the pipe on the outside, an extension part 474 that extends to be broken at the body part 472, and A protrusion 476 that engages the cap 450 may be included.

  The extension portions 474 move so as to contact each other when the collet 470 temporarily passes through the cap 450, and when the collet 470 is completely coupled to the cap 450, the extension 474 moves away from the original position. Thus, it is possible to secure the coupling force.

  FIG. 8 is a view showing a state in which the drawer portion is pulled out or pulled in.

  8A shows a state in which the drawer portion 90 is drawn into the inside of the cabinet 10, and FIG. 8B shows a state in which the drawer portion 90 is drawn out to the outside of the cabinet 10.

  When the operation of FIG. 8 a is performed, the pipe is folded by the connector 400 provided in the second connection pipe 340 and the third connection pipe 360. Conversely, when the operation of FIG. 8 b is performed, the pipe is opened by the connector 400 provided in the second connection pipe 340 and the third connection pipe 360.

  Since the second connection pipe 340 and the third connection pipe 360 are all made of a stainless steel material, the drawer portion 90 cannot be moved without the connector 400. That is, in order to use the connector 400, the drawer portion 90, to which the water tank 80 is attached, is movable in spite of being a stainless steel pipe.

  When the user has insufficient water in the water tank 80 and needs to replace the water tank 80, the user can replace the water tank 80 after pulling out the drawer 90. And the said cover 12 can be closed so that the beauty | look of a water heater may not be harmed.

  In addition, since the second connecting pipe 340 and the third connecting pipe 360 are made of stainless steel, the second connecting pipe 340 and the third connecting pipe 360 are connected to each other using hot water stored in the hot water tank 30. Can be sterilized. If the plastic material is not stainless steel, the plastic material is highly likely to be deformed when sterilized with warm water, and there is a disadvantage that bacteria and the like may be propagated due to a large amount of scale. However, in the present invention, the pipe through which water moves in the water tank 80 can be made of stainless steel and sterilized with warm water, and the cleanliness can be improved.

  Hereinafter, a process of sterilizing the second connection pipe and the third connection pipe according to the present invention will be described. The hot water moves to the second connecting pipe 340 and the third connecting pipe 360 along the path indicated by the arrow in FIG.

  When sterilization is performed on the second connection pipe 340 and the third connection pipe 360, the second pump 120 is driven and the first pump 110 is not driven. Accordingly, the hot water is discharged from the hot water tank 30 toward the second pump 120.

  The first three-way valve 210 connects the second connecting pipe 340 and the third connecting pipe 360, and blocks the flow path moving to the first connecting pipe 300.

  The second three-way valve connects the second pump 120 and the second connection pipe 360, and the third three-way valve 230 connects the third connection pipe 360 and the room temperature water valve 54.

  During the sterilization, the cold water valve 52, the room temperature water valve 54, and the hot water valve 32 all block the flow path, so that water is not discharged to the coke 4.

  When the sterilization is executed, the hot water stored in the hot water tank 120 moves toward the second three-way valve 220 through the flow path 222 by the pressure generated by the second pump 120. The second three-way valve 220 blocks the flow path 224 that moves to the cold water tank 50. Accordingly, the hot water is guided from the second three-way valve 220 to the connecting pipe 370 and moves to the second connecting pipe 340.

  Then, the hot water passes through the first three-way valve 210, passes through the third connection pipe 360, the connection pipe 370, and the third three-way valve 230 in order, and then is connected to the room temperature water valve 54. 234.

  A flow path through which hot water can circulate while moving to the hot water tank 30 can be formed.

  In the present invention, the passage through which the water moves in the water tank 80 by moving the hot water stored in the hot water tank 30 in the manner described above can be sterilized.

  The present invention is not limited to the above-described embodiments, and can be modified by those having ordinary knowledge in the field to which the present invention belongs, as can be seen in the appended claims. Belongs to a range.

10 cabinet 30 hot water tank 50 cold water tank 80 water tank 110 first pump 120 second pump 210 first three-way valve 220 second three-way valve 230 third three-way valve 300 first connection pipe 340 second connection pipe 360 third connection pipe

Claims (12)

A cabinet that forms the exterior;
A cold water tank provided in an upper part of the cabinet and storing cold water;
A hot water tank provided in the upper part of the cabinet for storing hot water;
A drawer part provided at a lower part of the cabinet and capable of being pulled in or pulled out;
A water tank attached to the drawer,
A first pump that provides pressure to raise water contained in the water tank to the cold water tank or the hot water tank;
A first connecting pipe which is provided in the drawing portion and forms a flow path through which water is discharged from the water tank;
A second connecting pipe forming a flow path through which water is supplied from the first connecting pipe to the hot water tank or the cold water tank;
A third connecting pipe forming a flow path for water to move to the second connecting pipe;
A first three-way valve that connects the first connection pipe, the second connection pipe, and the third connection pipe to selectively form a flow path by two connection pipes;
The second connecting pipe and the third connecting pipe are:
A first pipe respectively connected to the first three-way valve;
A second pipe connected to the first pipe;
A third pipe connected to the second pipe;
A connector for rotatably connecting the first pipe and the second pipe, and for rotatably connecting the second pipe and the third pipe;
The first pipe, the second pipe and the third pipe Ri Do of stainless material,
The third pipe of the second connection pipe and the third pipe of the third connection pipe are connected to a connection pipe installed to be fixed to the cabinet,
The third pipe and the connecting pipe are rotatably coupled by the connector.
A chiller / heater characterized by that. The connector is
A housing in which a hollow is formed;
A packing fixed to the hollow and to which each pipe is attached;
A cap coupled to both ends of the housing;
The chiller / heater according to claim 1 , further comprising a collet fixed to the inside of the cap. The packing is
A scissor piece formed on the outer surface;
The chiller / heater according to claim 2 , further comprising: a protruding piece protruding from an inner surface. The hot and cold water heater according to claim 3 , wherein the flange piece and the protruding piece are arranged concentrically with respect to the central axis of rotation . The collet is
A body part to be engaged with an engagement groove formed on the inside of the pipe;
An extension portion extended to break each other at the body portion;
The chiller / heater according to claim 2 , further comprising a protrusion that protrudes radially from one end of the extension and engages the cap. The second connecting pipe and the third connecting pipe are:
The drawer is
When pulled into the cabinet, it is folded around the connector,
The water heater according to claim 1, wherein the water heater is opened when the cabinet is pulled out from the cabinet. When water is supplied from the water tank to the cold water tank or the hot water tank,
The chiller / heater according to claim 1, wherein the first three-way valve connects the first connecting pipe and the second connecting pipe, and the first pump is driven.   The chiller / heater according to claim 1, further comprising a second three-way valve that selectively connects the second connection pipe and a flow path connected to the cold water tank or the hot water tank. The cold / hot water according to claim 8 , wherein a second pump that moves hot water from the hot water tank to the second three-way valve is provided in a flow path connecting the hot water tank and the second three-way valve. vessel. Hot and cold water dispenser according to claim 9 wherein the third connection pipe and the cold water valve or further includes a third three-way valve for selectively connecting the channel to be connected to the normally hot water valve. When sterilization is performed on the second connection pipe and the third connection pipe,
The second pump is driven;
The first three-way valve connects the second connecting pipe and the third connecting pipe;
The second three-way valve connects the second pump and the second connecting pipe;
The chiller / heater according to claim 10 , wherein the third three-way valve connects the third connecting pipe and the room temperature water valve. The room temperature water valve is connected to the inside upper side of the cold water tank,
The chiller / heater according to claim 11 , wherein the chilled water valve is connected to an inner lower side of the chilled water tank.