CN104207648A - Electrodeless thermoregulation water dispenser control method and system - Google Patents

Electrodeless thermoregulation water dispenser control method and system Download PDF

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Publication number
CN104207648A
CN104207648A CN201310214106.7A CN201310214106A CN104207648A CN 104207648 A CN104207648 A CN 104207648A CN 201310214106 A CN201310214106 A CN 201310214106A CN 104207648 A CN104207648 A CN 104207648A
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CN
China
Prior art keywords
water
temperature
heating
water pump
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310214106.7A
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Chinese (zh)
Inventor
叶建荣
王连君
马德军
沈选举
韦委横
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Qinyuan Group Co Ltd
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Qinyuan Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201310214106.7A priority Critical patent/CN104207648A/en
Publication of CN104207648A publication Critical patent/CN104207648A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electrodeless thermoregulation water dispenser control method. The electrodeless thermoregulation water dispenser control method includes the following steps: (1) enabling a power source to be connected; (2) setting the heating temperature and sending a heating command, wherein the setting scope ranges from 0 DEG C to 100 DEG C; (3) enabling a heating body to be electrified; (4) detecting the heating power, the water outlet temperature and the raw water temperature of the heating body; (5) controlling the preset output flow of a water pump according to the heating temperature, the raw water temperature and the heating power; (6) detecting water outlet amount of the water pump, and executing the step (4) if the water outlet amount of the water pump does not achieve the preset output flow of the water pump; stopping heating and stopping power supply to the water pump if the water outlet amount of the water pump achieves the preset output flow of the water pump; (7) executing the step (2). The accurate heating temperature is set, so that the output flow of the water pump is controlled through a single-chip microcomputer control unit, water is heated to the preset temperature, a drinker is prevented from obtaining water at the ideal temperature by repeatedly mixing hot water with cold water, and convenience is brought to use.

Description

The control method of stepless temperature regulating water dispenser and system thereof
Technical field
The present invention relates to field of water fountain, particularly a kind of control method of stepless temperature regulating water dispenser and system thereof.
Background technology
The style of real-life water dispenser is varied, be mainly two kinds, a kind of band self-purifying system, alternative water source is drummed pure water, but the delivery port of these water dispensers is the hot water of cold water and more than 90 DEG C, and in routine use, the demand majority of drinking person to water temperature is medium temperature, so just need drinking person, according to judgment, the cold water of proper ratio and hot water are successively accessed a cup to mix, but under most cases, such mixing can not once reach satisfied, need repeatedly to attempt mixing, which adds drinking water treatment process, the demand of drinking person can not be met in time.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, provide a kind of control method and system thereof of stepless temperature regulating water dispenser, on the basis that calandria power is constant, by the heating of single chip control unit to the control realization set water temperature of the output flow of water pump.
For achieving the above object, the invention provides a kind of control method of stepless temperature regulating water dispenser, comprise the steps: 1) switch on power; 2) arrange heating-up temperature, the scope of setting is 0 DEG C to 100 DEG C, and sends call for heat; 3) be energized to calandria; 4) heating power of calandria, leaving water temperature and former coolant-temperature gage is detected; 5) the predetermined output flow of water pump is controlled according to heating-up temperature, former coolant-temperature gage and heating power; 6) detect discharge of pump, if discharge of pump is less than the predetermined output flow of water pump, then return step 4); If discharge of pump is more than or equal to the predetermined output flow of water pump, then stops heating, and stop water pump powering; 7) step 2 is returned).
By arranging accurate heating-up temperature, making single chip control unit control water pump output flow, water is heated to predetermined temperature, avoid drinking person to obtain ideal water temperatures by repeatedly mixed hot water and cold water, easy to use.
In technique scheme, in step 5) and 6) between, also comprise the step of opening leaving water temperature explicit identification and heated condition mark.Leaving water temperature display and heated condition display can facilitate drinking person to judge the heat time.
In technique scheme, in step 2) and 3) between, also comprise the steps: whether detect raw water box has water, if anhydrous, then do not allow heating or stop heating, and opening water tank lacks water explicit identification.Anhydrous judgement calandria dry combustion method can be avoided to cause overheated and causing danger.
In technique scheme, in step 3) and 4) between, also comprise the steps: to detect whether stop call for heat, if had, then stop heating and stop water pump powering, and closing heated condition mark.The judgement of call for heat can prevent water dispenser repeated boiling, avoids the water degradation that repeating heats up water causes, and also can save electric energy simultaneously.
In technique scheme, before the step of opening leaving water temperature mark and heated condition mark, also comprise the steps: to detect heating power, if heating power is zero, then stops heating and stop water pump powering, and opening fuser malfunction explicit identification.The detection of heating power can the fault of Timeliness coverage calandria, and clearly informs drinking person guilty culprit by fuser malfunction explicit identification.
In technique scheme, in step 1) and 2) between, also comprise and detect supply voltage and operating current and the step of preserving; Before step 6), detect supply voltage and analyze, if supply voltage is abnormal, then stops heating and stop water pump powering, and cut-in voltage protection explicit identification.The detection of supply voltage can avoid the damage when supply voltage is abnormal to water dispenser.
Present invention also offers a kind of control system of stepless temperature regulating water dispenser, comprising:
Heating-up temperature setting device, it arranges scope is 0 DEG C to 100 DEG C;
Detection module, it comprises former coolant-temperature gage checkout gear, heating-up temperature checkout gear, heating power checkout gear and water pump water outlet amount detecting device;
Single chip control unit, after it receives the call for heat of heating-up temperature setting device, calculates the predetermined output flow of water pump according to the testing result of former coolant-temperature gage checkout gear, heating-up temperature checkout gear, heating power checkout gear;
Output unit, it comprises pump capacity control circuit, and pump capacity control circuit controls water pump water outlet according to predetermined output flow, and judges whether the water yield of water pump reaches predetermined output flow according to the testing result of water pump water outlet amount detecting device.
The water heating the medium temperature of 0 DEG C to 100 DEG C facilitates drinking person directly to drink, instead of by cold water and hot water mixing, the function of water dispenser is more humane.
In technique scheme, detecting unit also comprises power voltage detection device, operating current checkout gear.The detection of supply voltage and operating current can provide initial data for single chip control unit, and judges whether supply voltage occurs exception based on this.
In technique scheme, output unit also comprises leaving water temperature display unit, heated condition display unit, and leaving water temperature display unit shows instant leaving water temperature, opens heated condition display unit when heating.Leaving water temperature and heated condition be shown as the basic parameter that drinking person provides water dispenser, provide convenience for using.
In technique scheme; detecting unit also comprises anhydrous checkout gear; and output unit also comprises voltage protection display unit, fuser malfunction display unit and water tank lacks water display unit; the cut-in voltage protection display unit when supply voltage is abnormal; open fuser malfunction display unit when calandria breaks down, open water tank lacks water display unit when anhydrous checkout gear detects that raw water box is anhydrous.Voltage protection display unit, fuser malfunction display unit and water tank lacks water display unit are protection when water dispenser provides fault, and notify drinking person by explicit identification in time, facilitate the determination of failure cause.
Accompanying drawing explanation
Fig. 1 is the structural representation of stepless temperature regulating water dispenser of the present invention;
Fig. 2 is the control system block diagram of stepless temperature regulating water dispenser of the present invention;
Fig. 3 is the control flow chart of stepless temperature regulating water dispenser of the present invention;
Mark the following drawings mark thereon by reference to the accompanying drawings:
1-raw water box, 2-water level switch, the former water temperature sensor of 3-, 4-water pump intake line, 5-water pump, 6-water pump output pipe, 7-calandria, 8-leaving water temperature sensors, 9-delivery port, 10-discharge outlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
As shown in Figure 1, stepless temperature regulating water dispenser of the present invention comprises raw water box 1, water pump 5, calandria 7, delivery port 9 and discharge outlet 10.Raw water box 1 is provided with water level switch 2, raw water box 1 is connected with water pump 5 by water pump intake line 4, and the exit of raw water box 4 is provided with former water temperature sensor 3, one end of water pump output pipe 6 is connected with calandria 7, the other end is connected with discharge outlet 10, for being discharged by water in the situations such as maintenance.The water heated through calandria 7 flows out for drinking person through delivery port 9, and is provided with leaving water temperature sensors 8 at delivery port 9 place.The vicinity of delivery port 9 be also provided with leaving water temperature explicit identification and water dispenser break down after voltage protection explicit identification, fuser malfunction explicit identification and water tank lacks water explicit identification.
As shown in Figure 2, the control system of stepless temperature regulating water dispenser comprises heating-up temperature setting device, detecting unit, single chip control unit and output unit.
Heating-up temperature setting device sends the temperature of setting to single chip control unit, and design temperature scope is 0 DEG C to 100 DEG C; Detecting unit comprises former coolant-temperature gage checkout gear, outlet water temperature detecting device, heating power checkout gear, water pump water outlet amount detecting device, power voltage detection device and operating current checkout gear, leaving water temperature display unit shows instant leaving water temperature, opens heated condition display unit when heating; Output unit comprises pump capacity control circuit, leaving water temperature display unit, voltage protection display unit, fuser malfunction display unit, heated condition display unit and water tank lacks water display unit.
Former coolant-temperature gage checkout gear, outlet water temperature detecting device and heating power checkout gear send testing result to single chip control unit together, and single chip control unit calculates the predetermined output flow of water pump.And send predetermined output flow to pump capacity control circuit, regulate the electric moter voltage of water pump, make the water yield of water pump that corresponding change occur.In heating process, heated condition display unit is opened, and water pump water outlet amount detecting device detects the water yield of water pump, if discharge of pump does not reach predetermined output flow, then water pump continues water outlet and heats; Otherwise, stop heating, and stop the power supply of water pump.Delivery port is outputted to after calandria heating.Ambient temperature has trickle impact to the water flowed out, and is therefore provided with leaving water temperature display at water outlet and arranges.
When water dispenser switches on power, single chip control unit stores supply voltage and operating current, and in heating process, if detect that supply voltage is abnormal, voltage protection display unit starts; When detecting that raw water box is anhydrous, water tank lacks water display unit starts; When detecting that heating power is zero, fuser malfunction display unit starts.
As shown in Figure 3, the control method of stepless temperature regulating water dispenser comprises the steps:
1) switch on power;
2) power voltage detection device and operating current checkout gear detect supply voltage and operating current respectively, and are kept in single chip control unit;
3) detect heating-up temperature setting device and whether be provided with heating-up temperature, the scope of setting is 0 DEG C to 100 DEG C, and sends call for heat to single chip control unit;
4), when having call for heat, whether anhydrous checkout gear detects raw water box has water, if had, is then energized to calandria; If anhydrous, then do not allow calandria to heat or stop calandria heating, and opening water tank lacks water display unit;
5) detect heating-up temperature setting device and whether have stopping call for heat, if had, then stop calandria heating, stop water pump powering, and close heated condition display unit; If do not stop call for heat, then outlet water temperature detecting device, former coolant-temperature gage checkout gear and heating power checkout gear detect the heating power of coolant-temperature gage, former coolant-temperature gage and electric heating element respectively, then, single chip control unit calculates the predetermined output flow of water pump according to testing result;
6) in heating process, heating power checkout gear detects heating power, if inactivity, then stops calandria heating, stops water pump powering, and open fuser malfunction display unit; If there is power, then open leaving water temperature display unit and heated condition display unit;
7) in heating process, power voltage detection device detects supply voltage, if there is exception, then stops calandria heating, stops water pump powering, and cut-in voltage protection display unit; If supply voltage is normal, then water pump water outlet amount detecting device detects the water yield of water pump;
8) if discharge of pump is less than predetermined output flow, then step 4) is returned; If discharge of pump is more than or equal to predetermined output flow, then stop calandria heating, stop water pump powering, and return step 3).
Electrodeless water temperature water dispenser of the present invention can set precise water temperatures, controls water pump output flow, water is heated to predetermined temperature by single chip control unit, avoids drinking person to obtain ideal water temperatures by repeatedly mixed hot water and cold water, easy to use.
Voltage protection of the present invention, fuser malfunction and water tank lacks water control device are that circuit provides and ensures timely, extend the service life of water dispenser.
Be only a specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.

Claims (10)

1. a control method for stepless temperature regulating water dispenser, is characterized in that, comprises the steps:
1) switch on power;
2) arrange heating-up temperature, the scope of setting is 0 DEG C to 100 DEG C, and sends call for heat;
3) be energized to calandria;
4) heating power of calandria, leaving water temperature and former coolant-temperature gage is detected;
5) the predetermined output flow of described water pump is controlled according to described heating-up temperature, former coolant-temperature gage and heating power;
6) detect discharge of pump, if discharge of pump is less than the predetermined output flow of described water pump, then return step 4); If discharge of pump is more than or equal to the predetermined output flow of described water pump, then stops heating, and stop water pump powering;
7) step 2 is returned).
2. the control method of stepless temperature regulating water dispenser according to claim 1, is characterized in that, in step 5) and 6) between, also comprise the step of opening leaving water temperature explicit identification and heated condition mark.
3. the control method of stepless temperature regulating water dispenser according to claim 1, is characterized in that, in step 2) and 3) between, also comprise the steps: whether detect raw water box has water, if anhydrous, then do not allow heating or stop heating, and opening water tank lacks water explicit identification.
4. the control method of stepless temperature regulating water dispenser according to claim 1, is characterized in that, in step 3) and 4) between, also comprise the steps: to detect whether stop call for heat, if had, then stop heating and stop water pump powering, and closing heated condition mark.
5. the control method of stepless temperature regulating water dispenser according to claim 2, it is characterized in that, before the step of opening leaving water temperature mark and heated condition mark, also comprise the steps: to detect heating power, if heating power is zero, then stop heating and stop water pump powering, and opening fuser malfunction explicit identification.
6. the control method of stepless temperature regulating water dispenser according to claim 1, is characterized in that, in step 1) and 2) between, also comprise and detect supply voltage and operating current and the step of preserving;
Before step 6), detect supply voltage and analyze, if supply voltage is abnormal, then stops heating and stop water pump powering, and cut-in voltage protection explicit identification.
7. a control system for stepless temperature regulating water dispenser, is characterized in that, comprising:
Heating-up temperature setting device, it arranges scope is 0 DEG C to 100 DEG C;
Detection module, it comprises former coolant-temperature gage checkout gear, heating-up temperature checkout gear, heating power checkout gear and water pump water outlet amount detecting device;
Single chip control unit, after it receives the call for heat of heating-up temperature setting device, calculates the predetermined output flow of water pump according to the testing result of former coolant-temperature gage checkout gear, heating-up temperature checkout gear, heating power checkout gear;
Output unit, it comprises pump capacity control circuit, described pump capacity control circuit controls water pump water outlet according to described predetermined output flow, and judges whether the water yield of described water pump reaches described predetermined output flow according to the testing result of described water pump water outlet amount detecting device.
8. the control system of stepless temperature regulating water dispenser according to claim 7, is characterized in that, described detecting unit also comprises power voltage detection device, operating current checkout gear.
9. the control system of stepless temperature regulating water dispenser according to claim 7, it is characterized in that, described output unit also comprises leaving water temperature display unit, heated condition display unit, described leaving water temperature display unit shows instant leaving water temperature, opens described heated condition display unit when heating.
10. the control system of stepless temperature regulating water dispenser according to claim 7; it is characterized in that; described detecting unit also comprises anhydrous checkout gear; and described output unit also comprises voltage protection display unit, fuser malfunction display unit and water tank lacks water display unit; described voltage protection display unit is opened when supply voltage is abnormal; open described fuser malfunction display unit when calandria breaks down, open described water tank lacks water display unit when described anhydrous checkout gear detects that raw water box is anhydrous.
CN201310214106.7A 2013-05-31 2013-05-31 Electrodeless thermoregulation water dispenser control method and system Pending CN104207648A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016112547A1 (en) * 2015-01-16 2016-07-21 佛山市顺德区美的饮水机制造有限公司 Household water machine refrigeration control method and device
CN105867470A (en) * 2016-04-16 2016-08-17 合肥九源环境科技有限公司 Temperature control method of water purifying equipment
WO2017161949A1 (en) * 2016-03-24 2017-09-28 佛山市顺德区美的饮水机制造有限公司 Water drinking device and water outlet detection method thereof
CN107588592A (en) * 2017-09-30 2018-01-16 合肥美的电冰箱有限公司 The control method of leaving water temperature, the control system of leaving water temperature and refrigerator
CN107960859A (en) * 2016-04-22 2018-04-27 杭州云蜂工业设计有限公司 A kind of Drinking fountain
CN107976994A (en) * 2017-12-24 2018-05-01 孙铭禧 Water dispenser self checking method and system
CN108078395A (en) * 2018-01-08 2018-05-29 广东万家乐燃气具有限公司 A kind of water dispenser heat-exchange system and water dispenser
CN108742144A (en) * 2018-05-29 2018-11-06 佛山市顺德区美的饮水机制造有限公司 Water-free detection method and system, the purifying drinking appliance and computer equipment of purifying drinking appliance
CN111984038A (en) * 2019-05-23 2020-11-24 佛山市顺德区美的电热电器制造有限公司 Hot water treatment device and water yield control method and device thereof
CN112617612A (en) * 2020-12-10 2021-04-09 深圳市道中创新科技有限公司 Brewing method and device, computer equipment and storage medium
CN114209211A (en) * 2021-12-24 2022-03-22 珠海格力电器股份有限公司 Control method of water dispenser and water dispenser
CN114440438A (en) * 2022-02-15 2022-05-06 佛山市顺德区美的饮水机制造有限公司 Instantaneous heating device, working state diagnosis method and device thereof, and water treatment device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672374B1 (en) * 1994-03-15 1998-01-28 Zip Heaters (Aust.) Pty Limited Protection and control of continuous boiling water units
CN101334678A (en) * 2007-06-26 2008-12-31 李茂环 Instant heating type drinking machine effluent temperature constancy control system and control method
CN102113832A (en) * 2010-07-08 2011-07-06 宁波沁园集团有限公司 Water dispenser device and method for controlling outlet water of water dispenser device at constant temperature
CN102389262A (en) * 2011-11-03 2012-03-28 美的集团有限公司 Instantaneous temperature-adjustable drinking water dispenser and control method thereof
CN202277233U (en) * 2011-10-20 2012-06-20 胡维炼 Closed-loop temperature control rapid heater
CN103110358A (en) * 2013-01-11 2013-05-22 依莱克顿(宁波)电器科技有限公司 Heating container of water dispenser and control method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0672374B1 (en) * 1994-03-15 1998-01-28 Zip Heaters (Aust.) Pty Limited Protection and control of continuous boiling water units
CN101334678A (en) * 2007-06-26 2008-12-31 李茂环 Instant heating type drinking machine effluent temperature constancy control system and control method
CN102113832A (en) * 2010-07-08 2011-07-06 宁波沁园集团有限公司 Water dispenser device and method for controlling outlet water of water dispenser device at constant temperature
CN202277233U (en) * 2011-10-20 2012-06-20 胡维炼 Closed-loop temperature control rapid heater
CN102389262A (en) * 2011-11-03 2012-03-28 美的集团有限公司 Instantaneous temperature-adjustable drinking water dispenser and control method thereof
CN103110358A (en) * 2013-01-11 2013-05-22 依莱克顿(宁波)电器科技有限公司 Heating container of water dispenser and control method thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016112547A1 (en) * 2015-01-16 2016-07-21 佛山市顺德区美的饮水机制造有限公司 Household water machine refrigeration control method and device
WO2017161949A1 (en) * 2016-03-24 2017-09-28 佛山市顺德区美的饮水机制造有限公司 Water drinking device and water outlet detection method thereof
CN105867470A (en) * 2016-04-16 2016-08-17 合肥九源环境科技有限公司 Temperature control method of water purifying equipment
CN107960859A (en) * 2016-04-22 2018-04-27 杭州云蜂工业设计有限公司 A kind of Drinking fountain
CN107588592B (en) * 2017-09-30 2020-07-03 合肥美的电冰箱有限公司 Control method and system for outlet water temperature and refrigerator
CN107588592A (en) * 2017-09-30 2018-01-16 合肥美的电冰箱有限公司 The control method of leaving water temperature, the control system of leaving water temperature and refrigerator
CN107976994A (en) * 2017-12-24 2018-05-01 孙铭禧 Water dispenser self checking method and system
CN108078395A (en) * 2018-01-08 2018-05-29 广东万家乐燃气具有限公司 A kind of water dispenser heat-exchange system and water dispenser
CN108078395B (en) * 2018-01-08 2024-02-06 广东万家乐燃气具有限公司 Water dispenser heat exchange system and water dispenser
CN108742144A (en) * 2018-05-29 2018-11-06 佛山市顺德区美的饮水机制造有限公司 Water-free detection method and system, the purifying drinking appliance and computer equipment of purifying drinking appliance
CN111984038A (en) * 2019-05-23 2020-11-24 佛山市顺德区美的电热电器制造有限公司 Hot water treatment device and water yield control method and device thereof
CN112617612A (en) * 2020-12-10 2021-04-09 深圳市道中创新科技有限公司 Brewing method and device, computer equipment and storage medium
CN114209211A (en) * 2021-12-24 2022-03-22 珠海格力电器股份有限公司 Control method of water dispenser and water dispenser
CN114440438A (en) * 2022-02-15 2022-05-06 佛山市顺德区美的饮水机制造有限公司 Instantaneous heating device, working state diagnosis method and device thereof, and water treatment device

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Application publication date: 20141217