CN109044112B - Water-saving dry-burning preventing method for coffee machine system during starting - Google Patents
Water-saving dry-burning preventing method for coffee machine system during starting Download PDFInfo
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- CN109044112B CN109044112B CN201811280296.1A CN201811280296A CN109044112B CN 109044112 B CN109044112 B CN 109044112B CN 201811280296 A CN201811280296 A CN 201811280296A CN 109044112 B CN109044112 B CN 109044112B
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- 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
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- 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
- A47J31/58—Safety devices
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Abstract
The invention relates to a coffee machine boiler control technology, which solves the technical problems that the prior coffee machine startup dry-burning prevention control method is easy to damage components and accelerate the aging of the components, and the technical scheme is summarized as follows: the method comprises the steps of detecting whether water exists in a water tank or not after the coffee machine is powered on and started, starting a boiler heating process if the water exists in the water tank, sequentially injecting water into all boilers if the water does not exist in the water tank, judging whether the water quantity in each boiler reaches a corresponding threshold value or not after one round of water injection is completed, indicating that the boilers cannot be burnt after the heating is started if the water quantity in each boiler reaches the corresponding threshold value, starting the boiler heating at the moment, continuing the next round of water injection if the water quantity in each boiler does not reach the corresponding threshold value or quitting the program overtime. The beneficial effects are that: the invention avoids the problems of damage and aging of components caused by the existing dry burning prevention method, and simultaneously does not need to inject water into the boiler every time the boiler is started, thereby saving time and water resources. The invention is particularly suitable for preventing dry burning when the coffee maker is electrified.
Description
Technical Field
The invention relates to a coffee machine boiler control technology, in particular to a coffee machine boiler dry-burning prevention control technology.
Background
The coffee machine can directly heat the boiler after being electrified and started, water may not exist in the boiler at the moment, the dry burning prevention of the boiler is realized by the conventional coffee machine starting and dry burning prevention control method through the temperature sensor, but when the method detects that the boiler is dry burning, the boiler always reaches a higher temperature, components are easily damaged, and the aging of the components is accelerated.
Disclosure of Invention
The invention provides a water-saving anti-dry burning method for starting a coffee machine system, which aims to solve the technical problems that components are easily damaged and the aging of the components is accelerated in the conventional coffee machine starting anti-dry burning control method.
In order to solve the technical problems, the invention adopts the technical scheme that: the coffee machine system startup water-saving dry-burning prevention method is applied to a coffee machine system, the system at least comprises a water tank, a booster pump, n boilers and n boiler water outlet passages, an outlet of the water tank is connected with inlets of the booster pump, outlets of the booster pump are connected with inlets of all the boilers, an outlet of a boiler j is connected with a boiler water outlet passage j, wherein n is a positive integer, j is a positive integer, and j is less than or equal to n, and the coffee machine system startup water-saving dry-burning prevention method comprises the following steps:
step one, detecting whether water exists in a water tank or not after the system is started, if the water exists in the water tank, starting a boiler heating process, and not executing the step two and the step three, and if the water does not exist in the water tank, starting timing by a timer and executing the step two;
and step two, starting from j to 1, sequentially injecting water into n boilers, wherein the water injection flow of the boiler j comprises the following steps: opening a boiler water outlet passage j, closing other boiler water outlet passages, opening a booster pump, starting timing by a timer II at the same time, closing the booster pump and the boiler water outlet passage j after the timing of the timer II reaches a preset time j, and resetting the timing time of the timer II;
step three, respectively detecting the water amount in each boiler, if the water amount in each boiler reaches a preset corresponding threshold value, starting a boiler heating process, and otherwise, executing the step two;
and at any moment in the second step, if the timer I times out to reach the preset water injection overtime time, closing all boiler water outlet passages, closing the booster pump and then exiting the control process.
As a further optimization, the third step adopts: and (3) starting a booster pump, starting timing by the second timer, closing the booster pump after the timing of the second timer reaches the preset pressurization time, detecting the pressure in any boiler, starting a boiler heating process if the pressure reaches a preset pressure threshold corresponding to the preset pressurization time, resetting the timing time of the second timer if the pressure does not reach the preset pressure threshold corresponding to the preset pressurization time, and then executing the second step. In the conventional coffee machine system, a liquid level sensor and a pressure sensor are simultaneously installed in a boiler, and the liquid level sensor is adopted to detect the water quantity in the boiler in the prior art.
As a further optimization, the preset time j is the volume of the boiler j divided by the water outlet flow rate of the booster pump. The preset time j adopts the water injection time which can theoretically fill the boiler j, so that not only can water not be wasted, but also sufficient water can be injected into the corresponding boiler in one water injection flow, and the dry burning prevention effect is better.
As a further optimization, when j is greater than or equal to 2, the preset time j is less than the value of the volume of the boiler j divided by the water outlet flow of the booster pump. In actual water injection process, when filling water to boiler j, some water that flows out from the booster pump can flow into other boilers, therefore follow-up when filling water to other boilers, the water yield that its actual needs were injected reduces, above-mentioned through the water injection time that reduces follow-up boiler, can guarantee to fill into in corresponding boiler in a water injection flow sufficient water when again shortening whole water injection time.
And as further optimization, if the timer reaches the preset water injection overtime time, fault alarm is also carried out. And when the water injection timeout is detected, an alarm is given, so that related personnel can check the fault in time.
And as further optimization, if the water in the water tank is not available, calling a water supplementing program of the water tank, starting timing by the timer, and executing the step two. When no water is detected in the water tank, a water tank water supplementing program is called to timely add water to the water tank so as to ensure that the coffee machine can normally operate.
The beneficial effects are that: the invention judges whether the water tank has water or not after the coffee machine is powered on and started, if the water tank has water, the coffee machine is considered to be in a normal operation state before the coffee machine is powered off last time, then sufficient water is provided in the boiler when the coffee machine is powered on this time, the boiler is directly heated at the moment, if the water tank has no water, the coffee machine is considered to be in an abnormal operation state before the coffee machine is powered off last time or the coffee machine is powered on for the first time when the coffee machine leaves the factory when the coffee machine is powered on, and the like, at the moment, the boiler has no water possibly, so that the boiler is filled with water when the water tank has no water, and the boiler is started to be heated. By the control method, the problem that components are damaged and aged due to the fact that the coffee machine is started up and the boiler is prevented from being dried up through the temperature sensor in the prior art is solved, and whether the boiler is filled with water or not is determined according to the fact that whether the water tank is filled with water or not after the coffee machine is started up or not is judged, so that the boiler is not required to be filled with water after the coffee machine is started up every time, and time and water resources can be saved. The invention is particularly suitable for preventing dry burning when the coffee maker is electrified.
Drawings
FIG. 1 is a schematic view of a coffee maker system according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the embodiment.
The technical scheme of the invention is as follows: the coffee machine system startup water-saving dry-burning prevention method is applied to a coffee machine system, the system at least comprises a water tank, a booster pump, n boilers and n boiler water outlet passages, an outlet of the water tank is connected with inlets of the booster pump, outlets of the booster pump are connected with inlets of all the boilers, an outlet of a boiler j is connected with a boiler water outlet passage j, wherein n is a positive integer, j is a positive integer, and j is less than or equal to n, and the coffee machine system startup water-saving dry-burning prevention method comprises the following steps:
step one, detecting whether water exists in a water tank or not after the system is started, if the water exists in the water tank, starting a boiler heating process, and not executing the step two and the step three, and if the water does not exist in the water tank, starting timing by a timer and executing the step two;
and step two, starting from j to 1, sequentially injecting water into n boilers, wherein the water injection flow of the boiler j comprises the following steps: opening a boiler water outlet passage j, closing other boiler water outlet passages, opening a booster pump, starting timing by a timer II at the same time, closing the booster pump and the boiler water outlet passage j after the timing of the timer II reaches a preset time j, and resetting the timing time of the timer II;
step three, respectively detecting the water amount in each boiler, if the water amount in each boiler reaches a preset corresponding threshold value, starting a boiler heating process, and otherwise, executing the step two;
and at any moment in the second step, if the timer I times out to reach the preset water injection overtime time, closing all boiler water outlet passages, closing the booster pump and then exiting the control process.
The method comprises the steps of firstly judging whether water exists in a water tank after the coffee machine is powered on and started, if water exists in the water tank, the coffee machine is considered to be in a normal operation state before the coffee machine is powered off last time, then sufficient water exists in a boiler when the coffee machine is powered on this time, at the moment, the boiler is directly heated, if no water exists in the water tank, the coffee machine is considered to be in an abnormal operation state before the coffee machine is powered off last time or the coffee machine is powered on for the first time after leaving a factory when the coffee machine is powered on this time, and at the moment, the boiler possibly has no water, therefore, water is sequentially injected into all the boilers when no water exists in the water tank, after one round of water injection is completed, whether the water quantity in each boiler reaches a corresponding threshold value is judged, if the water quantity in the boiler after the heating is powered on is reached, the boiler cannot be burnt, if.
The above steps are further optimized, and specifically, the method may include: step three may adopt: and (3) starting a booster pump, starting timing by the second timer, closing the booster pump after the timing of the second timer reaches the preset pressurization time, detecting the pressure in any boiler, starting a boiler heating process if the pressure reaches a preset pressure threshold corresponding to the preset pressurization time, resetting the timing time of the second timer if the pressure does not reach the preset pressure threshold corresponding to the preset pressurization time, and then executing the second step. In the existing coffee machine system, a liquid level sensor and a pressure sensor are simultaneously installed in a boiler, and the liquid level sensor is adopted to detect the water quantity in the boiler in the prior art; according to the coffee machine system applied by the invention, all boilers are communicated through pipeline connection of boiler inlets, so that the pressure in all boilers is the same, after the booster pump works for the preset pressurization time, the detected pressure is different due to different total water volumes in all boilers, and therefore, whether the total water volume in all boilers meets the requirement can be judged by judging whether the current pressure reaches the pressure threshold corresponding to the preset pressurization time, so that a liquid level sensor is not required to be installed, and the cost can be saved.
The preset time j may take the value of the volume of the boiler j divided by the booster pump outlet flow. The preset time j adopts the water injection time which can theoretically fill the boiler j, so that not only can water not be wasted, but also sufficient water can be injected into the corresponding boiler in one water injection flow, and the dry burning prevention effect is better.
When j is greater than or equal to 2, the preset time j may be less than the volume of the boiler j divided by the booster pump outlet flow rate. In actual water injection process, when filling water to boiler j, some water that flows out from the booster pump can flow into other boilers, therefore follow-up when filling water to other boilers, the water yield that its actual needs were injected reduces, above-mentioned through the water injection time that reduces follow-up boiler, can guarantee to fill into in corresponding boiler in a water injection flow sufficient water when again shortening whole water injection time.
If the timer reaches the preset water injection overtime time, fault alarm can be carried out. And when the water injection timeout is detected, an alarm is given, so that related personnel can check the fault in time.
If the water tank is not filled with water, calling a water filling program of the water tank, starting timing by the timer, and executing the step two. When no water is detected in the water tank, a water tank water supplementing program is called to timely add water to the water tank so as to ensure that the coffee machine can normally operate.
Examples
In the following, n is 2 in this example.
The coffee machine system comprises a water tank, a booster pump, a first boiler water outlet passage, a second boiler and a second boiler water outlet passage, wherein the first boiler water outlet passage adopts a first water outlet valve, the second boiler water outlet passage adopts a second water outlet valve and a brewing device, an outlet of the water tank is connected with an inlet of the booster pump, an outlet of the booster pump is connected with an inlet of the first boiler and an inlet of the second boiler, an outlet of the first boiler is connected with one end of the first water outlet valve, an outlet of the second boiler is connected with one end of the second water outlet valve, and the other end of the second water outlet valve is connected with the brewing device.
The coffee machine system starting water-saving dry-burning preventing method is applied to the coffee machine system and comprises the following steps:
and S1, detecting whether water exists in the water tank or not after the system is started, if so, starting a boiler heating process, and not executing the steps S2, S3 and S4, and if not, calling a water replenishing program of the water tank, starting timing by a timer and executing the step S2.
And step S2, opening the first water outlet valve, closing the second water outlet valve, moving the brewing device to an initial position, opening the booster pump, starting timing by the second timer, closing the booster pump after the timing by the second timer reaches a preset time I, closing the first water outlet valve, and resetting the timing time of the second timer to zero, wherein the preset time I is the value obtained by dividing the volume of the first boiler by the water outlet flow of the booster pump.
And step S3, opening a second water outlet valve, lifting the brewing device to a water outlet position, closing the first water outlet valve, opening the booster pump, starting timing by a second timer, closing the booster pump after the timing by the second timer reaches a second preset time, closing the second water outlet valve, moving the brewing device to an initial position, and resetting the timing time of the second timer, wherein the second preset time is less than the value obtained by dividing the volume of the second boiler by the water outlet flow of the booster pump.
Step S4, starting a booster pump, starting timing by a timer II, closing the booster pump after the timing by the timer II reaches preset pressurization time, detecting the pressure in the boiler I or the boiler II, starting a heating process of the boiler I and the boiler II if the pressure reaches a preset pressure threshold corresponding to the preset pressurization time, resetting the timing time of the timer II if the pressure does not reach the preset pressure threshold corresponding to the preset pressurization time, and then executing the step II;
at any time of the step S2 and the step S3, if the timer reaches the preset water injection overtime, the first water outlet valve is closed, the second water outlet valve is closed, the brewing device is moved out to the initial position, the booster pump is closed, and then the control process is exited and a fault alarm is performed.
Claims (5)
1. The coffee machine system starting water-saving dry-burning preventing method is applied to a coffee machine system, the system at least comprises a water tank, a booster pump, n boilers and n boiler water outlet passages, an outlet of the water tank is connected with inlets of the booster pump, outlets of the booster pump are connected with inlets of all the boilers, an outlet of a boiler j is connected with a boiler water outlet passage j, wherein n is a positive integer, j is a positive integer and j is less than or equal to n, and the coffee machine system starting water-saving dry-burning preventing method is characterized in that: the method comprises the following steps:
step one, detecting whether water exists in a water tank or not after the system is started, if the water exists in the water tank, starting a boiler heating process, and not executing the step two and the step three, and if the water does not exist in the water tank, starting timing by a timer and executing the step two;
and step two, starting from j to 1, sequentially injecting water into n boilers, wherein the water injection flow of the boiler j comprises the following steps: opening a boiler water outlet passage j, closing other boiler water outlet passages, opening a booster pump, starting timing by a timer II at the same time, closing the booster pump and the boiler water outlet passage j after the timer II times for a preset time, and resetting the timing time of the timer II;
step three, starting a booster pump, starting timing by a timer II, closing the booster pump after the timing of the timer II reaches preset pressurization time, detecting the pressure in any boiler, starting a boiler heating process if the pressure reaches a preset pressure threshold corresponding to the preset pressurization time, resetting the timing time of the timer II if the pressure does not reach the preset pressure threshold corresponding to the preset pressurization time, and then executing the step two;
and at any moment in the second step, if the timer I times out to reach the preset water injection overtime time, closing all boiler water outlet passages, closing the booster pump and then exiting the control process.
2. The coffee machine system startup water-saving dry-burning prevention method of claim 1, characterized in that: the preset time is the volume of the boiler j divided by the water outlet flow of the booster pump.
3. The coffee machine system startup water-saving dry-burning prevention method of claim 2, characterized in that: and when j is greater than or equal to 2, the preset time is less than the value obtained by dividing the volume of the boiler j by the water outlet flow of the booster pump.
4. The coffee machine system startup water-saving dry-burning prevention method of claim 1, characterized in that: and if the timer times out to reach the preset water injection overtime time, fault alarm is also carried out.
5. The coffee machine system startup water-saving dry-burning prevention method of claim 1, characterized in that: if the water tank is not filled with water, calling a water filling program of the water tank, starting timing by the timer, and executing the step two.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109874163B (en) * | 2019-01-30 | 2021-07-13 | 佛山市云米电器科技有限公司 | Dry burning prevention method and system for water heater software |
| CN109864578A (en) * | 2019-02-21 | 2019-06-11 | 深圳市优点智联科技有限公司 | A kind of water purifier anti-dry method, apparatus and computer readable storage medium |
| CN111513566B (en) * | 2020-04-21 | 2022-02-08 | 深圳安吉尔饮水产业集团有限公司 | Quick-heating water purifying dispenser, dry-heating preventing method and device thereof, and computer readable storage medium |
| CN113229717A (en) * | 2021-05-24 | 2021-08-10 | 大连富士冰山自动售货机有限公司 | Italian coffee brewing pipeline system for automatic vending coffee machine |
| CN113669914A (en) * | 2021-08-25 | 2021-11-19 | 珠海格力电器股份有限公司 | Control method and device for preventing dry burning of hot tank, storage medium and water purifying equipment |
| CN114251838A (en) * | 2021-10-08 | 2022-03-29 | 佛山市顺德区美的饮水机制造有限公司 | Instantaneous heating device, control method and control device thereof, water treatment device and medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1470524A (en) * | 1973-08-09 | 1977-04-14 | Still Sons Ltd W | Water boilers |
| WO2004008926A1 (en) * | 2002-07-19 | 2004-01-29 | Cimbali S.P.A. | Machine for the production of hot water, steam and hot drinks |
| EP1975308A1 (en) * | 2007-03-30 | 2008-10-01 | Koninklijke Philips Electronics N.V. | Method for determining the liquid level in a boiler |
| CN201239027Y (en) * | 2008-07-30 | 2009-05-20 | 广东亿龙电器股份有限公司 | Electronic controller for water deficiency detection of pressure coffee-making machine |
| CN203873570U (en) * | 2014-05-16 | 2014-10-15 | 广州极诺电器有限公司 | Closed-loop control system of coffee maker water circuit |
| CN106136920A (en) * | 2015-03-30 | 2016-11-23 | 广东美的生活电器制造有限公司 | Liquid-supplying system and control method, coffee machine for coffee machine |
| US10376088B2 (en) * | 2015-07-28 | 2019-08-13 | Timothy Darryl James | Beverage brewing apparatus and related method |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH691948A5 (en) * | 2000-06-28 | 2001-12-14 | V Zug Ag | Boiler for steam generator in steam cooking unit, comprises sensors for measuring water and heating element temperatures, and lime scale detection unit utilizing signals from these sensors |
| US6688329B2 (en) * | 2001-07-06 | 2004-02-10 | C. Cowles & Company | Water feeder controller for boiler |
| CN2889104Y (en) * | 2005-09-30 | 2007-04-18 | 吉诺工业有限公司 | Water level detection means of coffee making machine |
| ITUD20110097A1 (en) * | 2011-06-23 | 2012-12-24 | San Marco Spa | "COFFEE MAKING MACHINE" |
| CN202198441U (en) * | 2011-08-02 | 2012-04-25 | 漳州灿坤实业有限公司 | Capsule coffee machine |
| JP5534251B2 (en) * | 2012-01-31 | 2014-06-25 | 三浦工業株式会社 | boiler |
| CN103519695B (en) * | 2012-07-03 | 2016-06-08 | 苏州工业园区咖乐美电器有限公司 | A kind of water path system of coffee machine |
| CN103932587A (en) * | 2013-01-21 | 2014-07-23 | 吉诺工业有限公司 | Overheating type beverage brewing machine with constant temperature water supplied |
| ITTO20130842A1 (en) * | 2013-10-17 | 2015-04-18 | Rancilio Group Spa | APPARATUS AND METHOD TO MANAGE THE WATER LEVEL IN A BOILER OF A COFFEE MACHINE |
| CN205162813U (en) * | 2015-11-20 | 2016-04-20 | 宁波霍科电器有限公司 | Water path system of coffee machine |
| CN105595850A (en) * | 2015-12-25 | 2016-05-25 | 上海浩泽净水科技发展有限公司 | Temperature-adjusting instant hot water dispenser and control method thereof |
| CN107212757A (en) * | 2016-03-21 | 2017-09-29 | 广东美的生活电器制造有限公司 | The control method of beverage machine |
| CN206080201U (en) * | 2016-07-21 | 2017-04-12 | 宁波博菱电器有限公司 | Full -automatic or semi -automatic coffee machine's water route current drive system |
| GB2558533A (en) * | 2016-11-07 | 2018-07-18 | Costa Express Ltd | Filtration system |
| CN106820990A (en) * | 2017-02-16 | 2017-06-13 | 周利 | Fresh Ground Coffee machine intelligence control system |
| CN108125564B (en) * | 2017-12-29 | 2020-06-30 | 王德涛 | Coffee machine |
| CN108175279B (en) * | 2017-12-29 | 2020-11-06 | 王德涛 | Coffee brewing method |
-
2018
- 2018-10-30 CN CN201811280296.1A patent/CN109044112B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1470524A (en) * | 1973-08-09 | 1977-04-14 | Still Sons Ltd W | Water boilers |
| WO2004008926A1 (en) * | 2002-07-19 | 2004-01-29 | Cimbali S.P.A. | Machine for the production of hot water, steam and hot drinks |
| EP1975308A1 (en) * | 2007-03-30 | 2008-10-01 | Koninklijke Philips Electronics N.V. | Method for determining the liquid level in a boiler |
| CN201239027Y (en) * | 2008-07-30 | 2009-05-20 | 广东亿龙电器股份有限公司 | Electronic controller for water deficiency detection of pressure coffee-making machine |
| CN203873570U (en) * | 2014-05-16 | 2014-10-15 | 广州极诺电器有限公司 | Closed-loop control system of coffee maker water circuit |
| CN106136920A (en) * | 2015-03-30 | 2016-11-23 | 广东美的生活电器制造有限公司 | Liquid-supplying system and control method, coffee machine for coffee machine |
| US10376088B2 (en) * | 2015-07-28 | 2019-08-13 | Timothy Darryl James | Beverage brewing apparatus and related method |
Non-Patent Citations (1)
| Title |
|---|
| "商用胶囊咖啡机控制系统的设计及实现";李林;《中国优秀硕士学位论文全文数据库 信息科技辑》;20151115(第 11 期);I140-58 * |
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