KR20170029249A - Drinking water supplying device and method for controlling the same - Google Patents
Drinking water supplying device and method for controlling the same Download PDFInfo
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- KR20170029249A KR20170029249A KR1020150126340A KR20150126340A KR20170029249A KR 20170029249 A KR20170029249 A KR 20170029249A KR 1020150126340 A KR1020150126340 A KR 1020150126340A KR 20150126340 A KR20150126340 A KR 20150126340A KR 20170029249 A KR20170029249 A KR 20170029249A
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- Prior art keywords
- water tank
- hot water
- temperature
- water
- drinking
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/0895—Heating arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/08—Details
- B67D1/12—Flow or pressure control devices or systems, e.g. valves, gas pressure control, level control in storage containers
- B67D1/125—Safety means, e.g. over-pressure valves
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- Devices For Dispensing Beverages (AREA)
Abstract
Description
The present invention relates to a drinking water supply apparatus and a control method thereof, and it is possible to determine whether or not water exists in a hot water tank and a cold water tank based on a temperature value sensed by a temperature sensor, And a control method for the drinking water supply device capable of selectively driving a heater for making hot water.
Generally, a drinking water supply device is a device that supplies drinking water to a user, which the user can drink. Such a drinking water supply device may be formed as a unique device, or may be formed to form a part of a household appliance such as a refrigerator.
The drinking water supply device can not only supply the drinking water at room temperature but also cool or heat the drinking water flowing in the drinking water supply device and supply the user with cold water or hot water as needed.
The drinking water may be raw water supplied from ground water or water (water supply source), and raw water may be filtered by filtration means such as a filter.
The drinking water supply device includes a low water drinking water supply device for storing raw water or purified water in a water storage tank and then discharging drinking water stored in the water storage tank in response to a discharge instruction of a user, And may include a direct drinking water supply device for supplying the drinking water.
In the case of the direct drinking water supply device, a cold water tank and a hot water tank may be provided to provide cold water and hot water. The drinking water, which is contained in the cold water tank and the hot water tank through the water pressure of the drinking water supplied to the cold water tank and the hot water tank Can be discharged to the outside.
Therefore, the cold water tank and the hot water tank should be hermetically sealed except for the inlet and outlet of the drinking water due to the nature of the direct drinking water supply device.
The cold water tank is formed to cool the drinking water through heat exchange between the refrigerant flowing into the evaporator and the drinking water in the cold water tank. The hot water tank is heated by driving a heating unit (for example, a heater) .
In this case, when the refrigerant flows in a state where there is no drinking water (i.e., water) in the cold water tank, the liquid refrigerant flows into the pump for flowing the refrigerant, thereby damaging the pump or shortening the lifetime of the pump have.
In addition, when the refrigerant flows in a state in which there is no drinking water in the hot water tank, the heating unit may overheat and damage the hot water tank. In particular, when the heating unit is equipped with a safety device, the heating of the heating unit may cause the entire product to stop driving.
Therefore, it is necessary to judge whether or not the drinking water is contained in the hot water tank and the cold water tank before driving the heating part and the cooling part.
Particularly, it is often necessary to judge whether or not the drinking water is contained in the hot water tank and the cold water tank at the time of initial installation of the drinking water supply device or at the time of reapplying the power according to the moving installation.
In the case of the conventional direct drinking water supply device, whether or not the drinking water is contained in the hot water tank and the cold water tank is judged through the level detected by the water level sensor.
However, in the case of the water level sensor, there is a part unsuitable for application to the hot water tank and the cold water tank of the direct drinking water supply device as a sensor in a direct contact with water.
For example, when the water level sensor is installed in the hot water tank and the cold water tank of the direct drinking water supply device, the portion where the water level sensor is installed is not completely sealed, so that the drinking water contained in the hot water tank and the cold water tank may leak.
SUMMARY OF THE INVENTION The present invention provides a drinking water supply device and a control method thereof that can determine whether drinking water is contained in a cold water tank and a hot water tank while maintaining a closed state of a cold water tank and a hot water tank .
Another object of the present invention is to provide a drinking water supply device and a control method thereof, which can prevent damage to a pump for supplying a refrigerant to an evaporator provided in a cold water tank and increase the service life thereof.
Further, the present invention provides a drinking water supply device and a control method thereof, which can prevent damage to the hot water tank and prevent the driving of the drinking water supply device from being stopped unintentionally, by preventing overheating of the heating part provided in the hot water tank .
The present invention provides a drinking water supply device for discharging drinking water by water pressure supplied from a water supply source, comprising: a hot water tank having a heating unit for heating water supplied from a water supply source; A temperature sensor installed in the hot water tank to sense the temperature of water in the hot water tank; And a controller configured to control the heating unit and the temperature sensing sensor, wherein the controller drives the first temperature sensed by the temperature sensing sensor and the heating unit for a predetermined first time before the heating unit is driven And judges whether or not water is contained in the hot water tank based on a difference value of the second temperature detected by the temperature sensor.
At this time, the second temperature may be a temperature value detected through the temperature sensor after the heating unit is driven for the first time and a predetermined second time has elapsed.
In addition, when the difference is smaller than a predetermined reference value, the control unit may determine that water is contained in the hot water tank, and selectively control the heating unit based on the predetermined hot water temperature.
When the difference value is equal to or greater than a preset reference value, the control unit determines that water is not contained in the hot water tank, stops driving the heating unit and the cooling unit, and the control unit includes purified water, cold water, It is possible to selectively drive the heating unit based on the presence or absence of the discharge signal of the drinking water.
The drinking water supply device according to the present invention further comprises a supply valve provided on the supply flow path from the water supply source to the hot water tank and configured to be opened according to the discharge signal of the drinking water, When the reception is terminated after the signal is received, the heating unit may be driven again for a first time period, and the difference value may be determined.
The determination of the difference value by the control unit and the determination of the discharge signal of the drinking water may be repeatedly performed until the difference value becomes less than the reference value.
The drinking water supply device according to the present invention further includes a cold water tank having a cooling unit for cooling water supplied from the water supply source, wherein the internal volume of the cold water tank is larger than the internal volume of the hot water tank, The signal may be a cold water discharge signal.
In addition, the hot water tank is formed in a closed structure, and the hot water tank can be kept in a full state by driving the supply valve in normal operation.
The control unit may further include a power supply unit configured to supply power to the drinking water supply apparatus, wherein the control unit calculates the difference value when the power supply unit is turned on again after the power supply unit is turned off, It is possible to judge whether or not the water is contained in the water.
In addition, the hot water tank is provided with a mounting portion formed to insert the temperature sensor, and the mounting portion is formed in a shape corresponding to the temperature sensor, and the water contained in the hot water tank and the temperature sensor are not in contact with each other .
According to another aspect of the present invention, there is provided a control method of a drinking water supply device formed to selectively supply drinking water including purified water and hot water by a water pressure of water supplied from a water supply source, the method comprising: Measuring a first temperature in the hot water tank; A second temperature measuring step of sensing a second temperature in the hot water tank after driving the heating unit provided in the hot water tank for a predetermined first time; And a first judging step of judging whether or not water is contained in the hot water tank based on the difference between the first temperature and the second temperature by the control unit do.
The second temperature measured in the second temperature measuring step may be a temperature value after the heating part is driven for the first time and a predetermined second time has elapsed.
Further, in the first determining step, it is determined that water is contained in the hot water tank when the difference value is less than the predetermined reference value, and the heating unit in the hot water tank is selectively driven based on the predetermined hot water temperature.
In the first determining step, it is determined that the water is not contained in the hot water tank when the difference value is equal to or greater than the preset reference value, and the driving of the heating unit in the hot water tank may be stopped.
According to another aspect of the present invention, there is provided a method for controlling a drinking water supply device, the method comprising: a second determination step of determining whether a discharge signal of drinking water is received in the controller and whether the reception is completed;
The first temperature measurement step, the second temperature measurement step, and the first determination step may be performed again if it is determined in the second determination step that the discharge signal of the drinking water has been received and terminated.
In addition, the first temperature measurement step, the second temperature measurement step, the first determination step, and the second determination step may be repeated until the difference value becomes less than the reference value.
In the first temperature measurement step and the second temperature measurement step, the first temperature and the second temperature may be detected through a temperature sensor installed in the hot water tank in a non-contact manner with water contained in the hot water tank have.
According to the present invention, it is possible to provide a drinking water supply device and a control method thereof, which can determine whether or not the drinking water is contained in the cold water tank and the hot water tank while maintaining the closed state of the cold water tank and the hot water tank.
In addition, according to the present invention, it is possible to provide a drinking water supply device and a control method thereof, which can prevent damage to a pump for supplying a refrigerant to an evaporator provided in a cold water tank and increase the service life thereof.
According to the present invention, there is provided a drinking water supply device capable of preventing damage to the hot water tank and preventing the driving of the drinking water supply device from being stopped unintentionally, in order to prevent overheating of the heating part provided in the hot water tank, Can be provided.
1 is an external perspective view of a drinking water supply apparatus according to an embodiment of the present invention.
2 is a conceptual view showing a structure and piping of a drinking water supply device according to an embodiment of the present invention.
3 is a view showing a cold water tank provided in the drinking water supply device.
4 is a view showing a hot water tank provided in the drinking water supply device.
5 is a block diagram showing a connection relationship of main components provided in the drinking water supply device.
6 is a flowchart showing a control method of the drinking water supply apparatus according to the embodiment of the present invention.
Hereinafter, a drinking water supply apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
The same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and the shape of each constituent member shown may be exaggerated or reduced.
Hereinafter, in defining the terms, water before passing through the filter section is referred to as raw water, raw water filtered through the filter is referred to as a constant, water cooled in a cold water tank is referred to as cold water, .
Also, for convenience of explanation, the raw water, the purified water, the cold water, and the hot water may all be referred to as drinking water or water.
Further, the front end and the rear end may refer to the upstream side and the downstream side with respect to the forward flow direction of the fluid. In this case, the forward flow direction refers to a direction in which the drinking water flows in the drinking water supply apparatus during the discharge of the drinking water out of the drinking water supply apparatus.
1 is an external perspective view of a drinking water supply apparatus according to an embodiment of the present invention.
1, the drinking
The
The real-time
The user can input a command through the quantitative
Alternatively, the user does not input a command through the quantitative
And the lever corresponding to the real-time
The user pushes the lever in a state where the cup C is disposed under the
The drinking water discharged from the
At this time, the drinking
That is, when the user does not input a command through the quantitative
, The drinking water supply device (1) can be driven in a real time control mode.
The drinking
The
1 shows two
Hereinafter, the construction and piping of the drinking water supply device according to the embodiment of the present invention will be described with reference to other drawings.
3 is a view showing a cold water tank provided in the drinking water supply apparatus, and FIG. 4 is a schematic view showing the structure of the hot water tank provided in the drinking water supply apparatus, Fig.
2 to 4, a drinking
At this time, the water pressure of the water supplied from the
The drinking
The water supplied from the
The
In addition, the
The
Therefore, the drinking water flowing along the
The
Therefore, the drinking water flowing along the
In addition, the drinking water flowing along the
The
That is, the
The
The
The
That is, the
At this time, the
Alternatively, the
The cooling
At this time, the refrigerant is circulated through the
The cooling
For example, the cooling
The water supplied from the
When the cold water discharge signal is input by the user, the water supplied from the
When the hot water discharge signal is inputted by the user, the water supplied from the
At this time,
The
The hot water tank (60) and the cold water tank (70) may be respectively connected to ventilation passages (81, 82) for discharging air inside. The
At this time, the
That is, at the initial installation of the drinking
When the
That is, the
In addition, the
The
At this time, the mounting
For example, the
That is, the
In addition, the
That is, the
The water contained in the
Hereinafter, the main components controlled by the controller of the drinking water supply apparatus according to the embodiment of the present invention and the control of the main components by the controller will be described with reference to other drawings.
5 is a block diagram showing a connection relationship of main components provided in the drinking water supply device.
5, the drinking
That is, the controller C may be electrically connected to the
The controller C is electrically connected to the real-time
For example, based on input signals input through at least one of the real-
The controller C controls the
The controller C controls the temperature of the
Here, the normal operation may mean the operation of the drinking
On the other hand, when the refrigerant flows in the state that no water is present in the
When the refrigerant flows into the cooling
Therefore, it is necessary to judge whether or not water (that is, drinking water) is accommodated in the
According to the embodiment of the present invention, it is possible to judge whether or not water is contained in the
The controller C controls the first temperature T1 sensed by the
For example, the controller C may determine whether water is stored in the
Therefore, even if the
Also, since the price of the temperature sensor is lower than that of the water level sensor, the price of the whole product can be lowered when the temperature sensor is used without using the water level sensor.
At this time, the second temperature T2 may be a temperature value detected through the
The second time may be a time sufficient for the temperature of the water contained in the
For example, the first time may be 15 seconds to 25 seconds, the second time may be 1 minute to 3 minutes, and the reference value may be 2 to 4. Preferably, the first time is 20 seconds, the second time is 2 minutes, and the reference value may be 3.
The control unit C compares the difference value T2-T1 with a preset reference value Ts to determine whether water is contained in at least one of the
Specifically, when the difference T2-T1 is smaller than the reference value Ts, the controller C may determine that water is contained in the
That is, even if the
Alternatively, if the difference (T2-T1) is equal to or greater than the reference value Ts, the controller C determines that water is not contained in at least one of the
At this time, the controller C may selectively drive at least one of the
That is, in the case of an abnormal state in which water is not contained (or fully charged) in the
The controller C can open the
Accordingly, when the discharge signal of the drinking water containing purified water, cold water and hot water is received, water can be supplied into the
More specifically, the control unit C drives the
In this case also, when the difference T2-T1 is equal to or greater than the reference value Ts, the controller C determines that water is not contained in at least one of the
The determination of the difference value T2-T1 by the controller C and the determination of the discharge signal of the drinking water are repeatedly performed until the difference value T2-T1 becomes less than the reference value Ts .
That is, when the difference T2-T1 is less than the reference value Ts, the controller C determines that water is contained in the
Meanwhile, the internal volume of the
In this case, the discharge signal of the drinking water determined by the controller (C) may be a hot water discharge signal or a cold water discharge signal. For example, the discharge signal of the drinking water may be a hot water discharge signal. This is because, when cold water is discharged through the
On the other hand, when water is supplied to the
The drinking water supply device (1) according to the present invention may further comprise a power supply part (P) configured to supply power to the drinking water supply device (1). The power supply unit P may also be electrically connected to the controller C.
At this time, when the power supply unit P is turned on again after the power supply unit P is turned off, the controller C calculates the difference value T2-T1, and based on the difference value T2-T1, 60) and the cold water tank (70).
According to the drinking
Also, according to the present invention, it is possible to know whether or not the water in the
Hereinafter, a control method of the drinking water supply apparatus according to the embodiment of the present invention will be described with reference to other drawings.
6 is a flowchart showing a control method of the drinking water supply apparatus according to the embodiment of the present invention.
6, it is obvious that the configuration of the drinking
Hereinafter, with reference to FIG. 6, a control method of a drinking water supply apparatus formed to selectively supply drinking water including purified water, hot water, and cold water by water pressure of water supplied from a water supply source will be described.
The control method of the drinking water supply apparatus according to the embodiment of the present invention includes a power supply step S10 for supplying power to the drinking
In the power applying step S10, power can be supplied to the drinking
In the first temperature measurement step S20, the first temperature inside the
In the second temperature measurement step S30, the
On the other hand, the second temperature T2 measured in the second temperature measuring step S30 may be a temperature value after the
The second time may be a time sufficient for the inside of the
In the first determining step S40, at least one of the
For example, when the water is not contained in the
Specifically, when the difference (T2-T1) is less than the preset reference value (Ts) in the first rupturing step (S40), it is determined that water is contained in the hot water tank (60) and the cold water tank (70) (C). ≪ / RTI >
In this case, the
Alternatively, in the first determining step S40, when the difference value T2-T1 is equal to or greater than the preset reference value Ts, water is received in at least one of the
In this case, the
This is because when the
Meanwhile, the control method of the drinking water supply apparatus according to the embodiment of the present invention may further include a second determining step (S70) in which it is determined whether or not the discharge signal of the drinking water is received and the reception is terminated in the controller (C) .
The second determination step S70 may be performed after the step S60 of stopping the driving of the
Specifically, in the second determination step (S70), the control unit (C) can determine whether or not the discharge signal of the drinking water has been received and the discharge signal has been received. Water can be supplied to the
If it is determined in the second determination step S70 that the discharge signal of the drinking water has been received and terminated, the first temperature measurement step S20, the second temperature measurement step S30, and the first determination step S40 ) Can be performed again.
That is, while the first temperature measurement step S20, the second temperature measurement step S30 and the first determination step S40 are performed again, the water is received in the
In addition, according to the present invention, the first temperature measurement step (S20), the second temperature measurement step (S30), the first temperature measurement step (S30), and the second temperature measurement step The determination step S40 and the second determination step S70 may be repeated.
In the process of repeating the first temperature measurement step S20, the second temperature measurement step S30, the first determination step S40, and the second determination step S70, And the cooling
Meanwhile, the internal volume of the
Water may be supplied to at least one of the
When the cold water is discharged through the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, The present invention may be modified in various ways. Therefore, modifications of the embodiments of the present invention will not depart from the scope of the present invention.
10
40
61
71
Claims (18)
A hot water tank having a heating unit for heating water supplied from a water supply source;
A temperature sensor installed in the hot water tank to sense the temperature of water in the hot water tank; And
And a control unit configured to control the heating unit and the temperature sensing sensor,
Wherein the control unit controls the heating unit based on a first temperature sensed by the temperature sensing sensor and a second temperature sensed by the temperature sensing sensor after driving the heating unit for a predetermined first time before the heating unit is driven, And judges whether or not water is contained in the hot water tank.
Wherein the second temperature is a temperature value sensed by the temperature sensor after the heating unit is driven for a first time and a predetermined second time has elapsed.
If the difference value is smaller than the preset reference value,
Wherein the control unit determines that water is contained in the hot water tank and selectively controls the heating unit based on the predetermined hot water temperature.
When the difference value is equal to or greater than a preset reference value,
Wherein the control unit determines that no water is contained in the hot water tank, stops driving the heating unit and the cooling unit,
Wherein the control unit selectively drives the heating unit based on the presence or absence of a discharge signal of drinking water including purified water, cold water, and hot water.
Further comprising a supply valve provided on the supply flow path from the water supply source to the hot water tank and configured to be opened according to a discharge signal of the drinking water,
Wherein the control unit drives the heating unit again for a first time when the reception is finished after the discharge signal of the drinking water is received, and then determines the difference value.
Wherein the determination of the difference value by the control unit and the determination of the discharge signal of the drinking water are repeatedly performed until the difference value becomes less than the reference value.
Further comprising a cold water tank having a cooling portion for cooling water supplied from a water supply source,
The inner volume of the cold water tank is larger than the inner volume of the hot water tank,
Wherein the discharge signal of the drinking water is a cold water discharge signal.
Wherein the hot water tank is formed in a hermetically sealed structure and the hot water tank is kept in a full state by driving the supply valve during normal operation.
Further comprising a power supply unit configured to supply power to the drinking water supply apparatus,
Wherein the control unit calculates the difference value when the power supply unit is turned on again after the power supply unit is turned off and determines whether or not water is contained in the hot water tank based on the difference value.
The hot water tank is provided with a mounting portion formed to insert the temperature sensor, and the mounting portion is formed in a shape corresponding to the temperature sensor,
Wherein the water contained in the hot water tank and the temperature sensor are not in contact with each other.
A power supply step of supplying power to the drinking water supply device;
Measuring a first temperature in the hot water tank;
A second temperature measuring step of sensing a second temperature in the hot water tank after driving the heating unit provided in the hot water tank for a predetermined first time;
And a first determining step of determining, based on the difference between the first temperature and the second temperature, whether or not water is contained in the hot water tank by the control unit.
Wherein the second temperature measured in the second temperature measuring step is a temperature value after the heating unit is driven for the first time and a predetermined second time has elapsed.
In the first determining step, it is determined that the water is contained in the hot water tank when the difference value is less than the preset reference value,
Wherein the heating unit in the hot water tank is selectively driven based on the predetermined hot water temperature.
In the first determining step, it is determined that the water is not contained in the hot water tank when the difference value is equal to or greater than a predetermined reference value,
And the driving of the heating unit in the hot water tank is stopped.
Further comprising a second determination step of determining whether the discharge signal of the drinking water is received in the control unit and whether the reception is terminated.
Wherein the first temperature measurement step, the second temperature measurement step, and the first determination step are performed again when it is determined that the discharge signal of the drinking water is completed after the reception of the drinking water in the second determination step Way.
Wherein the first temperature measurement step, the second temperature measurement step, the first determination step, and the second determination step are repeated until the difference value becomes less than the reference value .
The first temperature and the second temperature are sensed through a temperature sensor installed in the hot water tank in a non-contact manner with the water contained in the hot water tank in the first temperature measurement step and the second temperature measurement step A control method of the drinking water supply device.
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KR1020150126340A KR101758283B1 (en) | 2015-09-07 | 2015-09-07 | Drinking water supplying device and method for controlling the same |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108850748A (en) * | 2018-08-15 | 2018-11-23 | 江苏普门电子有限公司 | A kind of split type more cups of fruit teas machine complete machine function system |
KR20190023501A (en) * | 2017-08-29 | 2019-03-08 | 엘지전자 주식회사 | Dispenser and baverage maker having the same |
KR20190023500A (en) * | 2017-08-29 | 2019-03-08 | 엘지전자 주식회사 | Baverage maker |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102527692B1 (en) * | 2018-02-13 | 2023-05-02 | 쿠쿠홈시스 주식회사 | Warm water supply controlling apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4189105B2 (en) | 1999-11-05 | 2008-12-03 | ホシザキ電機株式会社 | Operation method of carbonated water dispenser |
JP2006006104A (en) | 2004-06-22 | 2006-01-12 | Fuji Electric Retail Systems Co Ltd | Soup dispenser |
JP4645209B2 (en) | 2005-02-03 | 2011-03-09 | 富士電機リテイルシステムズ株式会社 | Soup supply equipment |
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2015
- 2015-09-07 KR KR1020150126340A patent/KR101758283B1/en active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190023501A (en) * | 2017-08-29 | 2019-03-08 | 엘지전자 주식회사 | Dispenser and baverage maker having the same |
KR20190023500A (en) * | 2017-08-29 | 2019-03-08 | 엘지전자 주식회사 | Baverage maker |
CN108850748A (en) * | 2018-08-15 | 2018-11-23 | 江苏普门电子有限公司 | A kind of split type more cups of fruit teas machine complete machine function system |
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