KR20020060851A - Hot-water tank level detection and heater control apparatus of vending machine - Google Patents

Hot-water tank level detection and heater control apparatus of vending machine Download PDF

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Publication number
KR20020060851A
KR20020060851A KR1020010001916A KR20010001916A KR20020060851A KR 20020060851 A KR20020060851 A KR 20020060851A KR 1020010001916 A KR1020010001916 A KR 1020010001916A KR 20010001916 A KR20010001916 A KR 20010001916A KR 20020060851 A KR20020060851 A KR 20020060851A
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South Korea
Prior art keywords
hot water
vending machine
water
water tank
heater
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KR1020010001916A
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Korean (ko)
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서은균
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삼성광주전자 주식회사
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Priority to KR1020010001916A priority Critical patent/KR20020060851A/en
Publication of KR20020060851A publication Critical patent/KR20020060851A/en

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F13/00—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs
    • G07F13/06—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof
    • G07F13/065—Coin-freed apparatus for controlling dispensing or fluids, semiliquids or granular material from reservoirs with selective dispensing of different fluids or materials or mixtures thereof for drink preparation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/54—Water boiling vessels in beverage making machines
    • A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F9/00—Details other than those peculiar to special kinds or types of apparatus
    • G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
    • G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)

Abstract

PURPOSE: A device for controlling a water level sensor and a heater of a hot water container of a vending machine is provided to prevent the unnecessary driving of a water purification valve driving part and a water supply motor, and to prevent the damage of parts, thus extending the life of use. CONSTITUTION: The device for controlling a water level sensor and a heater of a hot water container of a vending machine comprises a floater(31) floating in a hot water container(32); a sensing rod(33) moving up and down in communicating with the floater; an upper limit switch(30) for detecting the full of the hot water container through a switch member formed to be on and off according to the movement of the sensing rod; a water purification valve driving part; a water purification valve(75); and a hot water valve(85) for selectively supplying or intercepting hot water to a beverage mixing part according to signals of a control part.

Description

자동판매기의 온수통 수위감지 및 히터제어장치{Hot-water tank level detection and heater control apparatus of vending machine}Hot-water tank level detection and heater control apparatus of vending machine

본 발명은 자동판매기의 온수통 수위감지 및 히터제어장치에 관한 것으로, 보다 상세하게는 온수통 내부의 상한스위치가 오프되면 소정시간 후에 자동으로 정수밸브 또는 급수펌프가 동작되어 온수통에 물을 공급하고, 급수통에 물이 없을 경우 일정시간 히터가 오프되어 과열을 방지하는 자동판매기의 온수통 수위감지 및 히터제어장치에 관한 것이다.The present invention relates to a hot water tank level detection and heater control device of the automatic vending machine, and more particularly, when the upper limit switch inside the hot water tank is turned off, the purified water valve or water pump is automatically operated after a predetermined time to supply water to the hot water tank And, if there is no water in the water container relates to a hot water tank water level detection and heater control device of the vending machine to prevent overheating by turning off the heater for a certain time.

일반적으로 동전을 투입하여 음료를 취출하는 음료자동판매기는 도3에 도시된 바와 같이 소정의 금전투입을 인식하고 판별하는 금전메카니즘(20)과, 사용자가 취출할 상품을 선택하는 상품선택부(10)와, 자동판매기의 동작상태를 표시하는 표시부(50)와, 상기 선택된 상품을 투출하는 상품투출부(60)와, 상기 자동판매기의 내측에 위치하여 온수를 공급하는 온수통의 수위를 감지하는 상한스위치(30)와 하한스위치(35) 및 정수된 물을 공급하는 정수밸브구동부(70)와, 상기 선택된 음료의 원료와 믹싱하기 위한 온수를 공급하는 온수밸브구동부(80)와, 상기 각부와 자동판매기의 전체를 제어하는 제어신호를 출력하는 제어부(40)로 구성된다.In general, a beverage vending machine for extracting a beverage by inserting a coin into a cash machine 20 recognizes and determines a predetermined money input as shown in FIG. 3, and a product selection unit 10 for selecting a product to be taken out by the user. ), A display unit 50 for displaying an operation state of the vending machine, a product discharge unit 60 for discharging the selected product, and a water level of the hot water tank for supplying hot water located inside the vending machine. The upper limit switch 30 and the lower limit switch 35 and the purified water valve driver 70 for supplying purified water, the hot water valve driver 80 for supplying hot water for mixing with the raw material of the selected beverage, and the respective parts And a control unit 40 for outputting a control signal for controlling the whole of the vending machine.

또한 상기 자동판매기 내측의 수로도는 도4에 도시된 바와 같이 소정량의 물을 저장하고 있는 급수통(38)과, 상기 급수통(38)의 물을 후술하는 살균정수기(36)에 공급하는 급수모타(37)와, 상ㆍ하한스위치에 의하여 적당량을 공급받는 온수통(32) 및 냉수조(39)와, 상기 음료자동판매기의 음료 종류별 각각의 음료물량을 시간특성에 맞게 공급하는 온수밸브(85) 및 정수밸브(75)로 구성되어 있다.In addition, the waterway diagram inside the vending machine is supplied with a water supply tank 38 that stores a predetermined amount of water as shown in FIG. 4 and a sterilizing water purifier 36 which supplies water from the water supply tank 38 to be described later. A water supply motor 37, a hot water tank 32 and a cold water tank 39 supplied with an appropriate amount by the upper and lower limit switches, and a hot water valve for supplying respective amounts of beverage for each beverage type of the beverage vending machine according to time characteristics. It consists of 85 and the purified water valve 75.

또한 상기 급수통(38)은 자동판매기의 상부에 위치하는 경우와 하부에 위치하는 경우가 있으나 도면에는 하부에 위치하는 경우를 도시한 것이다.In addition, the water container 38 may be located at the top and the bottom of the vending machine, but the figure shows a case located at the bottom.

도5는 종래의 일반적인 자동판매기의 온수통 수위감지 및 히터제어장치의 개략적인 구성도로, 온수통(32)의 내부에서 수위에 따라 부유하는 풀로터(31)와, 상기 플로터(31)에 연동되어 상하 이동되는 감지봉(33)과, 상기 감지봉(33)의 상하이동을 안내하기 위한 안내부재(34)와, 상기 감지봉(33)의 상하이동에 따라 온오프되는 스위치부재로 온수통(32)의 만수를 감지하기 위한 상한스위치(30)와, 상기 온수통(32)의 급수를 감지하기 위한 하한스위치(35)와, 상기 제어부(40)로부터 개폐신호에 의해 살균정수기(36)로부터 공급되는 정수를 공급 또는 차단하는 정수밸브(75)와, 상기 제어부(40)로부터의 개폐신호에 의해 온수통(32)의 온수를 음료믹싱부로 공급 또는 차단하는 온수밸브(85)로 구성된다.5 is a schematic configuration diagram of a hot water tank water level detection and a heater control device of a conventional general vending machine. The full rotor 31 floating in accordance with the water level inside the hot water tank 32 is interlocked with the plotter 31. And a sensing rod 33 which is moved up and down, a guide member 34 for guiding the shandong of the sensing rod 33, and a switch member that is turned on and off according to the shandong of the sensing rod 33. The upper limit switch 30 for detecting the full water of the 32, the lower limit switch 35 for detecting the water supply of the hot water tank 32, and the sterilizing water purifier 36 by the opening and closing signal from the control unit 40. And a warm water valve 75 for supplying or blocking purified water supplied from the hot water valve, and a hot water valve 85 for supplying or blocking hot water from the hot water container 32 to the beverage mixing unit by an open / close signal from the controller 40. .

상기와 같이 구성된 종래의 일반적인 자동판매기의 온수통의 급수 제어동작은 먼저 급수통(38)에 보관된 물이 살균정수기(36)를 통해 정수된 다음, 제어부(40)로부터의 제어신호에 의해 정수밸브구동부(70)가 개방되어 온수통(32)으로 급수되고, 온수통(32)에 정수가 급수됨에 따라 플로터(31)가 상측으로 이동되며, 안내부재(34)의 안내에 따라 감지봉(33)이 상측으로 이동된다.The water supply control operation of the hot water tank of the conventional general automatic vending machine configured as described above is first purified by the control signal from the controller 40 after the water stored in the water supply tank 38 is purified through the sterilizing water purifier 36. The valve driving unit 70 is opened to supply water to the hot water tank 32, and as the purified water is supplied to the hot water tank 32, the plotter 31 is moved upwards, and a sensing rod (according to the guide of the guide member 34) is provided. 33) is moved upwards.

그 다음, 온수통(32) 내의 정수가 만수되면 감지봉(33)의 상단이 상한스위치(30)를 턴온시켜 만수 감지신호를 제어부(40)로 출력하며, 상기 제어부(40)는 상한스위치(30)로부터의 감지신호에 의해 정수밸브구동부(70)를 폐쇄하기 위한 제어신호를 발생한다.Then, when the purified water in the hot water tank 32 is full, the upper end of the sensing rod 33 turns on the upper limit switch 30 to output a full water detection signal to the control unit 40, the control unit 40 is the upper limit switch ( The control signal for closing the purified water valve drive unit 70 is generated by the detection signal from 30).

한편, 상품판매시 제어부(40)로부터의 제어신호에 의해 온수밸브구동부(80)가 개방되어 온수통(32)의 온수가 음료믹싱부로 공급되어 사용자가 선택한 상품의 원료와 함께 믹싱되어 공급된다. 이 때 온수통(32)의 온수는 그 수위가 점차적으로 낮아지게 되고, 이에 따라 플로터(31)가 하측으로 이동되며, 감지봉(33)도 하측으로 이동한다.On the other hand, the hot water valve drive unit 80 is opened by the control signal from the control unit 40 at the time of merchandise sales, the hot water of the hot water tank 32 is supplied to the beverage mixing unit is mixed with the raw material of the product selected by the user is supplied. At this time, the hot water of the hot water tank 32 is gradually lowered in water level, thereby the plotter 31 is moved downward, and the sensing rod 33 is also moved downward.

상기 감지봉(33)이 하측으로 이동함에 따라 감지봉(33)의 상단이 하한스위치(35)를 스위칭하게 되면 급수 감지신호가 제어부(40)로 출력되고, 제어부(40)는 하한스위치로부터의 감지신호에 의해 정수밸브구동부(70)를 개방시키기 위한 제어신호를 발생한다. 또한 온수통(32)의 히터가 턴오프되어 온수통(32)의 과열을 방지한다.As the sensing rod 33 moves downward, when the upper end of the sensing rod 33 switches the lower limit switch 35, a water supply detection signal is output to the control unit 40, and the control unit 40 is provided from the lower limit switch. The detection signal generates a control signal for opening the purified water valve driver 70. In addition, the heater of the hot water tank 32 is turned off to prevent overheating of the hot water tank 32.

따라서, 제어부(40)로부터의 제어신호에 의해 정수밸브구동부(70)가 개방되어 살균정수기(36)로부터의 정수가 온수통(32)에 공급된다.Therefore, the purified water valve drive part 70 is opened by the control signal from the control part 40, and the purified water from the sterilizing water purifier 36 is supplied to the hot water container 32.

그러나, 상기와 같이 구성된 온수통에서는 기존의 상한스위치(30)가 빈번하게 스위칭되어 온수밸브(85)와 급수모터(37)가 필요이상 동작을 온오프하게 되어 기기의 손상과 고장의 원인이 되며, 또한 불필요한 전력낭비를 초래하는 문제점이 있었다.However, in the hot water tank configured as described above, the existing upper limit switch 30 is frequently switched, causing the hot water valve 85 and the water supply motor 37 to be turned on or off more than necessary, causing damage and failure of the device. In addition, there was a problem that causes unnecessary power consumption.

본 발명은 상기와 같은 제반 문제점을 해결하기 위해 창안된 것으로, 본 발명의 목적은 온수통의 내부에 하한스위치를 없애고, 상한스위치의 동작으로만 정수밸브구동부와 급수모터를 작동시킬 수 있는 온수통 수위감지 및 히터제어장치를 제공하는데 있다.The present invention was devised to solve the above-mentioned problems, an object of the present invention is to remove the lower limit switch inside the hot water tank, hot water tank that can operate the purified water valve drive unit and the water supply motor only by the operation of the upper limit switch. It is to provide a water level detection and heater control device.

상기 목적을 달성하기 위한 본 발명의 구성은, 금전을 투입하여 소정의 음료를 취출받을 있도록 구비된 음료자동판매기에 있어서, 상기 자동판매기에 온수를 공급하기 위한 온수통(32)의 내부에서 수위에 따라 부유하는 플로터(31)와; 상기 플로터(31)에 연동되어 상하 이동되는 감지봉(33)과; 상기 감지봉(33)의 상하이동에 따라 온오프되는 스위치부재로 온수통(32)의 만수를 감지하기 위한 상한스위치(30)와; 상기 상한스위치(30)가 턴오프된 신호를 상기 자동판매기의 제어부(40)에서 입력받아 소정시간 후에 살균정수기(36)로부터 공급되는 정수를 공급 또는 차단하는 개폐신호를 입력받는 정수밸브구동부(70)와; 상기 정수밸브구동부(70)의 구동신호에 의해 개폐동작하는 정수밸브(75) 및; 상기 제어부(40)로부터의 개폐신호에 의해 온수통(32)의 온수를 음료믹싱부로 공급 또는 차단하는 온수밸브(85)로 이루어지는 것을 특징으로 한다.The configuration of the present invention for achieving the above object is a beverage vending machine provided to receive a predetermined drink by putting money into the water level inside the hot water tank 32 for supplying hot water to the vending machine. A floater 31 floating along; A sensing rod 33 which is interlocked with the plotter 31 and moved up and down; An upper limit switch 30 for detecting a full water level of the hot water tank 32 as a switch member which is turned on and off according to the shangdong of the sensing rod 33; The purified water valve driver 70 receiving the open / close signal for supplying or blocking the purified water supplied from the sterilizing water purifier 36 after a predetermined time is received by the control unit 40 of the vending machine. )Wow; A purified water valve 75 which is opened and closed by a drive signal of the purified water valve driving unit 70; The hot water valve 85 for supplying or blocking hot water from the hot water container 32 to the beverage mixing unit by the opening and closing signal from the control unit 40 is characterized in that it is made.

또한 바람직하게는 상기 상한스위치(30)가 턴오프되어 상기 정수밸브(75)를 소정시간 동안 동작하여도 상한스위치(30)가 턴온되지 않을 경우에는 급수통(38)에 물이 없음을 감지하여 히터가 과열되는 것을 방지하기 위해 히터를 오프시키는 제어신호를 출력하는 것을 특징으로 한다.In addition, when the upper limit switch 30 is turned off and the upper limit switch 30 is not turned on even when the purified water valve 75 is operated for a predetermined time, the water supply tank 38 senses that there is no water. In order to prevent the heater from overheating, a control signal for turning off the heater may be output.

도1은 본 발명에 따른 자동판매기의 개략적인 제어블럭도이고,1 is a schematic control block diagram of a vending machine according to the present invention;

도2는 본 발명에 따른 자동판매기의 온수통 수위감지 및 히터제어장치의 개략적인 구성도이며,Figure 2 is a schematic configuration diagram of the hot water tank water level detection and heater control device of the vending machine according to the present invention,

도3은 종래의 일반적인 자동판매기의 개략적인 제어블럭도이고,3 is a schematic control block diagram of a conventional general vending machine,

도4는 종래의 일반적인 자동판매기의 수로도이며,4 is a channel diagram of a conventional general vending machine,

도5는 종래의 일반적인 자동판매기의 온수통 수위감지 및 히터제어장치의 개략적인 구성도이다.5 is a schematic configuration diagram of a hot water tank level detection and a heater control device of a conventional general vending machine.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

10: 상품선택부 20: 코인메카니즘10: Product Selection 20: Coin Mechanism

30: 상한스위치 31: 풀로터30: High limit switch 31: Full rotor

32: 온수통 33: 감지봉32: hot water container 33: sensing rod

34: 안내부재 40: 제어부34: guide member 40: control unit

50: 표시부 60: 상품투출부50: display unit 60: product discharge unit

70: 정수밸브구동부 75: 정수밸브70: water purification valve driving unit 75: water purification valve

80: 온수밸브구동부 85: 온수밸브80: hot water valve drive unit 85: hot water valve

이하 첨부된 도면을 참조하여 본 발명의 자동판매기의 온수통 수위감지 및 히터제어장치에 대해 상세히 설명한다. 한편, 종래의 구성과 동일한 부분에 대해서는 동일한 부호로서 지칭하고, 중복된 기재를 피하기 위해 그에 대한 설명은 생략하기로 한다.With reference to the accompanying drawings will be described in detail with respect to the hot water tank water level detection and heater control device of the vending machine of the present invention. On the other hand, the same parts as in the conventional configuration will be referred to by the same reference numerals, and description thereof will be omitted to avoid duplicate description.

도1은 본 발명에 따른 자동판매기의 개략적인 제어블럭도이고, 도2는 본 발명에 따른 자동판매기의 온수통 수위감지 및 히터제어장치의 개략적인 구성도이다.1 is a schematic control block diagram of a vending machine according to the present invention, Figure 2 is a schematic configuration diagram of a hot water tank water level detection and heater control device of the vending machine according to the present invention.

상기 도면에 도시된 바와 같이 상품선택부(10), 코인메카니즘(20), 상한스위치(30), 제어부(40), 표시부(50), 상품투출부(60), 정수밸브구동부(70), 온수밸브구동부(80)로 구성되며, 상기 온수통(32)은 상한스위치(30), 플로터(31), 감지봉(33), 안내부재(34), 정수밸브(75), 온수밸브(85)로 구성된다.As shown in the drawings, the product selection unit 10, the coin mechanism 20, the upper limit switch 30, the control unit 40, the display unit 50, the product discharge unit 60, the purified water valve drive unit 70, It is composed of a hot water valve driving unit 80, the hot water tank 32 is the upper limit switch 30, plotter 31, sensing rod 33, guide member 34, water purification valve 75, hot water valve (85) It is composed of

상기 종래의 구성과 동일한 부분에 대해서는 중복된 기재를 피하기 위해 그 동작설명은 생략하기로 하고, 상기 온수통(32) 내의 플로터(31)의 상하 이동에 의해 감지봉(33)이 상하로 이동하게 되며, 상기 감지봉(33)에 의해 상한스위치(30)를 작동시켜 온수통(32)의 급수를 제어하는 신호를 제어부(40)에 출력하게 된다.For the same parts as in the conventional configuration, the operation description thereof will be omitted in order to avoid overlapping substrates, and the sensing rod 33 moves up and down by vertical movement of the plotter 31 in the hot water container 32. The upper limit switch 30 is operated by the sensing rod 33 to output a signal for controlling the water supply of the hot water tank 32 to the controller 40.

상기와 같이 구성된 본 발명의 동작을 보다 상세히 설명하면, 먼저 사용자가 상품을 선택하여 온수밸브구동부(80)를 제어부(40)에서 구동하여 온수밸브(85)를 개폐하는 동작을 소정 횟수 실시하여 상품을 투출하게 된다.Referring to the operation of the present invention configured as described in more detail, first, the user selects the product to drive the hot water valve drive unit 80 in the control unit 40 to open and close the hot water valve 85 a predetermined number of times the product Will be discharged.

그리고 온수통(32)의 수위가 낮아져 상한스위치(30)가 오프되었을 경우, 상기 상한스위치(30)가 오프되는 시점부터 소정시간 이후에 (바람직하게는 수초) 상기 제어부(40)에서 정수밸브구동부(70)와 급수모터(37)를 구동시키는 제어신호를 출력하게 된다.In addition, when the water level of the hot water tank 32 is lowered and the upper limit switch 30 is turned off, the water purification valve driving unit in the control unit 40 after a predetermined time (preferably several seconds) from the time when the upper limit switch 30 is turned off. A control signal for driving the 70 and the feed water motor 37 is output.

상기 제어부(40)의 구동신호를 입력받은 정수밸브구동부(70)와 급수모터(37)가 작동하여 온수통(32)에 물이 급수되게 된다.The purified water valve driving unit 70 and the water supply motor 37 receiving the driving signal of the controller 40 operate to supply water to the hot water tank 32.

그리고, 상기 정수밸브(75)와 급수모터(37)를 소정시간 동안 동작하여도 상한스위치(30)가 턴온되지 않을 경우에는 급수통(38)에 물이 없음을 감지하여 히터가 과열되는 것을 방지하기 위해 히터를 오프시키는 제어신호를 출력하게 된다.In addition, when the upper limit switch 30 is not turned on even when the purified water valve 75 and the feed water motor 37 are operated for a predetermined time, the water supply tank 38 detects no water and prevents the heater from overheating. In order to output the control signal to turn off the heater.

또한 자동판매기에 초기 전원을 인가할 경우에는 상기 상한스위치(30)의 위치를 감지한 후 히터를 동작하는 제어신호를 출력하기 때문에 온수통(32)에 물이 없는 경우 히터가 동작하는 것을 방지하게 된다.In addition, when the initial power is applied to the vending machine to detect the position of the upper limit switch 30 and outputs a control signal for operating the heater to prevent the heater from operating when there is no water in the hot water tank (32). do.

즉, 상한스위치(30)가 오프된 경우에는 정수밸브구동부(70)와 급수모터(37)를 소정시간 동안 구동시키는 제어신호를 출력하게 되며, 상기 소정시간 이내에 상한스위치(30)가 턴온되는 신호를 제어부(40)에서 입력받지 못할 경우 급수통(38)에 물이 없음을 감지하여 히터의 구동을 제어하게 되는 것이다.That is, when the upper limit switch 30 is turned off, a control signal for driving the purified water valve driver 70 and the water supply motor 37 for a predetermined time is output, and the signal for which the upper limit switch 30 is turned on within the predetermined time. If it does not receive the input from the control unit 40 is to detect the absence of water in the water supply 38 is to control the driving of the heater.

상기와 같이 본 발명에 따르면, 온수통의 상한스위치를 한개만 설치하여 상기 상한스위치가 동작될 경우 소정시간 후에 정수밸브구동부 및 급수모터를 동작시켜 불필요한 구동을 방지하여 부품의 손상을 방지하고 수명을 연장하며, 또한 전력소비를 줄이는 효과가 있다.According to the present invention as described above, by installing only one upper limit switch of the hot water tank, when the upper limit switch is operated to operate the water purifying valve drive unit and the water supply motor after a predetermined time to prevent unnecessary driving to prevent damage to parts and life It also has the effect of reducing power consumption.

Claims (2)

금전을 투입하여 소정의 음료를 취출받을 있도록 구비된 음료자동판매기에 있어서,In the beverage vending machine is provided so as to receive a predetermined drink by inputting money, 상기 자동판매기에 온수를 공급하기 위한 온수통(32)의 내부에서 수위에 따라 부유하는 플로터(31)와;A floater 31 floating in accordance with the water level in the hot water tank 32 for supplying hot water to the vending machine; 상기 플로터(31)에 연동되어 상하 이동되는 감지봉(33)과;A sensing rod 33 which is interlocked with the plotter 31 and moved up and down; 상기 감지봉(33)의 상하이동에 따라 온오프되는 스위치부재로 온수통(32)의 만수를 감지하기 위한 상한스위치(30)와;An upper limit switch 30 for detecting a full water level of the hot water tank 32 as a switch member which is turned on and off according to the shangdong of the sensing rod 33; 상기 상한스위치(30)가 턴오프된 신호를 상기 자동판매기의 제어부(40)에서 입력받아 소정시간 후에 살균정수기(36)로부터 공급되는 정수를 공급 또는 차단하는 개폐신호를 입력받는 정수밸브구동부(70)와;The purified water valve driver 70 receiving the open / close signal for supplying or blocking the purified water supplied from the sterilizing water purifier 36 after a predetermined time is received by the control unit 40 of the vending machine. )Wow; 상기 정수밸브구동부(70)의 구동신호에 의해 개폐동작하는 정수밸브(75) 및;A purified water valve 75 which is opened and closed by a drive signal of the purified water valve driving unit 70; 상기 제어부(40)로부터의 개폐신호에 의해 온수통(32)의 온수를 음료믹싱부로 공급 또는 차단하는 온수밸브(85)로 이루어지는 것을 특징으로 하는 자동판매기의 온수통 수위감지 및 히터제어장치.Hot water tank level detection and heater control device of the vending machine, characterized in that the hot water valve (85) for supplying or blocking the hot water in the hot water tank (32) to the beverage mixing unit by the opening and closing signal from the control unit (40). 제1항에 있어서,The method of claim 1, 상기 상한스위치(30)가 턴오프되어 상기 정수밸브(75)를 소정시간 동안 동작하여도 상한스위치(30)가 턴온되지 않을 경우에는 급수통(38)에 물이 없음을 감지하여 히터가 과열되는 것을 방지하기 위해 히터를 오프시키는 제어신호를 출력하는 것을 특징으로 하는 자동판매기의 온수통 수위감지 및 히터제어장치.When the upper limit switch 30 is turned off and the upper limit switch 30 is not turned on even when the purified water valve 75 is operated for a predetermined time, the heater is overheated by detecting that there is no water in the water supply container 38. Hot water tank level detection and heater control device of the vending machine, characterized in that for outputting a control signal for turning off the heater to prevent.
KR1020010001916A 2001-01-12 2001-01-12 Hot-water tank level detection and heater control apparatus of vending machine KR20020060851A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017049950A1 (en) * 2015-09-22 2017-03-30 深圳市联创科技集团有限公司 Water shortage protection device for air-conditioning fans

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017049950A1 (en) * 2015-09-22 2017-03-30 深圳市联创科技集团有限公司 Water shortage protection device for air-conditioning fans

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