CN102434971A - Instant heating water boiler and control method thereof - Google Patents
Instant heating water boiler and control method thereof Download PDFInfo
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- CN102434971A CN102434971A CN201110445538XA CN201110445538A CN102434971A CN 102434971 A CN102434971 A CN 102434971A CN 201110445538X A CN201110445538X A CN 201110445538XA CN 201110445538 A CN201110445538 A CN 201110445538A CN 102434971 A CN102434971 A CN 102434971A
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Abstract
The invention relates to an instant heating water boiler, which comprises a water tank, a water pump, a control device and a heating container, wherein the heating container comprises a heating part to which a heating film is attached; the heating container further comprises a dry combustion detection part higher than the heating part; the dry combustion detection part is provided with a sensing device for detecting the water level in the dry combustion detection part; the sensing device is electrically connected with the control device; and the control device is used for controlling the working state of the heating part according to a signal of the sensing part. The water supply step of the control method comprises a first water supply stage for controlling a water pump to supply water to a thick film heater by using the control device, a stopping stage for heating water in the thick film heater to a set temperature and a second water supply stage for controlling the water pump to supply water continuously. When the heating part of the instant heating water boiler is started for heating, an internal flow channel is in water-filled state, so that the risk of dry combustion damage is avoided, and the service life of the entire boiler is prolonged.
Description
Technical field
The present invention relates to the machine for kitchen use technical field, relate in particular to a kind of Instant heating type boiler and control method thereof.
Background technology
The existing Instant heating type boiler of family expenses that adopts heating container, for guaranteeing the rapid of water outlet and the temperature that guarantees water outlet, several kinds of modes realize below passing through usually:
First kind of mode: the powerful Instant heating type boiler of dry combustion method at first, the water runner through Instant heating type boiler and continue heating fast forms high-temperature water then;
The second way: on the basis of first kind of mode, increase temperature control, realize the power or the Flow-rate adjustment of follow-up heating, to guarantee the temperature of water outlet.
Yet; First kind of mode, because high-power Instant heating type boiler dry combustion method, temperature rises very fast; Very easily make its surperficial thick film heater strip damage; Influence complete machine service life, cause safety risk, and since initial water temperature (such as the water of zero degree in winter), supply voltage shakiness cause factors such as heating power variation, pump capacity variation to have a strong impact on the quality of heating up water, even the not danger of boiling water occurs burning; The second way increases temperature detection on first kind of mode basis, to regulate power or flow, temperature detection is arranged near the delivery port usually; Even it is not boiled to detect water, not boiled water also flows directly in the water-holding cup, and the high-temperature water that follow-up change power or flow form mixes with heavy not the boiling water of front inflow cup; Also can not be fully that water is boiled; Exist safe for drinking dangerous, in addition, this second way can not solve the danger of dry combustion method equally.
Summary of the invention
In view of this, be necessary to provide a kind of device and control method thereof of safe and reliable Instant heating type boiling water.
The present invention realizes through following technical scheme:
A kind of Instant heating type boiler; Comprise water tank, water pump, control device and heating container; Said heating container comprises the heating part with heating film, and said heating container also comprises the dry combustion method test section that is higher than the heating part, and the dry combustion method test section is provided with the sensing device that is used to detect water level in the dry combustion method test section; Sensing device is electrically connected with control device, and said control device is according to the duty of the signal controlling heating part of sensing device.
Said dry combustion method test section comprises the delivery port that is communicated with the heating part, and sensing device is arranged on the delivery port place.
Also be provided with the fluid stopping part that prevents that water refluxes in the heating container between said heating container and the water tank.
Said fluid stopping part is the check valve that is arranged in the feed pipe.
Said water pump is an electromagnetic pump.
Said sensing device comprises level electrode and temperature sensor, and said control device is according to the duty of the signal controlling water pump of level electrode.
A kind of Instant heating type boiler control method, said control method may further comprise the steps:
The water supply step: control device control water pump provides the water of heating container;
Heating steps: control device control heating film is heated to design temperature with water in the heating container;
Said water supply step comprise control device control water pump with water supply with in the heating container first water supply stage to sensing device, stop phase, control water pump that the water in the heating container is heated to design temperature continues second water supply stage of supplying water.
The dwell time of said stop phase is 1 ~ 5 second.
Control device record is heated to the t and heating power P heat time heating time of design temperature K with water in the runner in the said stop phase, and this control method comprises that also control device in the second water supply stage is according to first adjustment process that this heat time heating time, t and heating power P regulated heating container heating power and/or water pump water supply flow.
Said control method also comprises second adjustment process that control device is regulated heating container heating power and/or water pump water supply flow in the second water supply stage according to the sensing device detected temperatures value at delivery port place.
The invention has the beneficial effects as follows:
Dry combustion method test section according to the invention is meant that when water level in the heating container arrived the dry combustion method test section, the water in the heating container had covered the heating part, promptly forms the safety level control of heating container at the sensing device of dry combustion method test section; When water level surpasses or reaches this safety level; Water has covered the heating part, the dry combustion method phenomenon can not occur, when water level is lower than this safety level; Does not heat the heating part, avoids dry combustion method.
Heating container according to the invention also comprises the dry combustion method test section that is higher than the heating part; The dry combustion method test section is provided with the sensing device that is used to detect water level in the dry combustion method test section; Sensing device is electrically connected with control device, and said control device is according to the duty of the signal controlling heating part of sensing device.When water level arrived the dry combustion method test section, the water in the heating container had covered the heating part, so; On the one hand, when Instant heating type boiler starts, can detect whether residual water is arranged in the heating container; If residual water is arranged, it is discharged, reduce the danger of residual water overlong time breed bacteria; After starting on the one hand in addition, when making the heating part heating of heating container, water has covered the heating part, the danger of having avoided the dry combustion method of heating film to damage.
As a same reason, this sensor is arranged on the delivery port place of heating container.
Further, also be provided with the fluid stopping part that prevents that water refluxes in the heating container between heating container according to the invention and the water tank.Avoided water pump to stop to supply water when beginning to heat, the water in the heating container refluxes, and causes the danger of heating part local dry burning.
As a same reason, change water pump into electromagnetic pump,, reduced the complexity of structural design because electromagnetic pump itself possesses the effect of unidirectional water supply anti-return.
In addition, sensing device according to the invention comprises level electrode and temperature sensor, and said control device is according to the duty of the signal controlling water pump of level electrode.So, promptly can realize that again regulating parameters such as heating power, flow through temperature detection guarantees the temperature of fetching water further through water pump control water supply flow and water supply time.
Water supply step according to the invention comprise control device control water pump with water supply with in the heating container first water supply stage to sensing device, stop phase, control water pump that the water in the runner is heated to design temperature continues second water supply stage of supplying water.When so the heating part started heating, the danger of dry combustion method damage had been avoided for water state is arranged in heating container inside, and then the service life of having improved complete machine.
The dwell time of stop phase according to the invention is 1 ~ 5 second.So, avoid overlong time, and cause Instant heating type boiler can not go out the drawback of hot water immediately owing to stop phase.
Control device record is heated to the t and heating power P heat time heating time of design temperature K with water in the runner in the stop phase according to the invention, in the second water supply stage control device according to this heat time heating time t and heating power P regulate the heating power of heating container and/or the water supply flow of water pump.Thereby can calculate heating flowing full road water to the needed actual heat of assigned temperature; Realize the dual regulation of the water supply flow of heating power and/or water pump according to this actual heat; Avoid because extraneous factors such as environment temperature, water temperature influence the situation that causes water to burn not open.
In addition, control device is regulated the heating power of heating container and/or the water supply flow of water pump according to the detected value of the sensing device at delivery port place in the second water supply stage according to the invention.Variations in temperature according to delivery port is poor, regulates the matching relationship of heating power and water supply flow, further reduces the deviation of leaving water temperature, guarantees the controllability of leaving water temperature.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further explain.
Fig. 1 is the first embodiment structural representation of the Instant heating type boiler of the present invention;
Fig. 2 is the heating container partial exploded view of the Instant heating type boiler of the present invention;
Fig. 3 is the control method first embodiment flow chart of Instant heating type boiler shown in Figure 1;
Fig. 4 is the second embodiment structural representation of the Instant heating type boiler of the present invention;
Fig. 5 is the control method second embodiment flow chart of Instant heating type boiler shown in Figure 4.
The label that component names is corresponding among the figure is following:
10, Instant heating type boiler; 11, water tank; 111, water supply line; 112, check valve; 12, heating container; 121, water inlet; 122, delivery port; 123, heating film; 124, substrate; 125, base plate; 126, leading section; 127, dry combustion method test section; 128, heating part; 13, water pump; 14, control device; 15, sensing device; 151, level electrode; 152, temperature sensor; 16, faucet; 20, Instant heating type boiler.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done to detail further:
Embodiment one:
See also Fig. 1, first embodiment of the Instant heating type boiler of the present invention, said Instant heating type boiler 10 comprises water tank 11, heating container 12, control device 14, water pump 13, faucet 16.Water tank 11 is communicated with through feed pipe 111 and water pump 13 with heating container 12.Control device 14 is electrically connected heating film 123 and water pump 13.Said heating container 12 comprises the leading section 126 of joining water box 11, the dry combustion method test section 127 that is attached with the heating part 128 of heating film 123 and is higher than heating part 128, and dry combustion method test section 127 is provided with the sensing device 15 that is used to detect water level in the dry combustion method test section 127.Sensing device 15 is electrically connected with control device 14.Said control device 14 is according to the duty of the signal controlling heating part 128 of sensing device 15.
Said water tank 11 dismountable being installed on the Instant heating type boiler 10, the bottom of water tank 11 connects water supply line 111.This water supply line 111 is provided with check valve 112.When water pump 13 supplied water, check valve 112 was opened, and when water pump 13 stopped to supply water, check valve 112 was closed.
See also Fig. 2, said heating container 12 is a thick film heater, comprises heating film 123, substrate 124 and base plate 125.Heating film 123 is printed on and forms heating part 128 on the substrate 124.Substrate 124 and base plate 125 airtight formation flow channel for liquids.This flow channel for liquids is provided with water inlet 121 and delivery port 122.Leading section 126 is through water inlet 121 joining water box 11, and dry combustion method test section 127 is communicated with faucet 16 through delivery port 122.Sensing device 15 is arranged on delivery port 122 places.
Said sensing device 15 comprises the level electrode 151 at delivery port 122 places that are arranged on heating container 12.This level electrode inside is provided with temperature sensor 152, level electrode 151 and temperature sensor 152 integral productions.When this level electrode 151 covers state when the water in the heating container 12 to being in the heating part 128 of heating film 123 fully, when promptly water has been full of heating part 128, feed back signal to control device 14.Said control device 14 is according to the duty of the signal controlling water pump 13 of level electrode 151.
See also first embodiment of the control method of the Instant heating type boiler of the present invention shown in Figure 3, this control method comprises:
The water supply step: control device 14 control water pumps 13 provide the water of heating container 12;
Heating steps: control device 14 control heating films 123 add the interior water of hot flow path to design temperature;
Said water supply step comprise control device 14 control water pumps 13 with water supply with the first water supply stage of heating container 12 to sensing device 15, stop phase, control water pump 13 that the water in the heating container 12 are heated to design temperature continues second water supply stages of supplying water.
Said first water supply stage and heating steps carry out simultaneously; Control device 14 is according to the detection signal of sensing device 15 in the first water supply stage, and when detecting when water is arranged, control device 14 is controlled water pumps 13 water is discharged; When detecting when anhydrous; Control water pump 13 is supplied with heating container 12 to level electrode 151 with water, and the water that detects in the heating container 12 through level electrode 151 is in the state that covers fully to the heating part 128 with heating film 123, and heating film 123 heating stepses begin; Have water in the heating container 12 at this moment, effectively avoid the dry combustion method phenomenon of heating container 12.When meeting the demands, get into stop phase;
In the said stop phase, heating film 123 is heated to design temperature K with the water in the heating container 12.The dwell time of this stop phase water pump 13 is in 1 to 5 second, and less than 1 second, dwell time was too short, is difficult to guarantee that water is heated to design temperature K as if this dwell time; If this dwell time was greater than 5 seconds, the water outlet time is oversize, and Instant heating type boiler can't reach the effect of instant heating.Therefore to set this dwell time be 3 seconds in the present invention.When temperature reaches design temperature K, control device 14 record t heat time heating time and heating power P, and got into for the second water supply stage;
Heating steps in the said second water supply stage comprises first adjustment process of control device 14 according to this heat time heating time of t and heating power P adjusting heating container heating power; Be control device 14 according to heat time heating time t and heating power P calculate heating flowing full road water to the needed actual heat of assigned temperature; At this moment; Control device 14 flow to the 122 needed times of delivery port according to the water that this actual heat and water pump 13 provide from water inlet 121; And calculate heating this circulating water to design temperature desired power, according to the actual power of this desired power adjusting heating container 12.If this power is bigger, reduce power, avoid the water heating-up temperature in the runner is too high and vaporization forms pressure, influence water security; If this power is less, increase power, the danger of avoiding the water in the runner to burn not open.In addition; When this power adjusting to maximum or hour satisfy above requirement not yet, then control device 14 is regulated the water supply flow of water pumps 13, makes power and flow matches; Avoid the too high vaporization of coolant-temperature gage in the runner when guaranteeing the runner leaving water temperature, caused energy dissipation.Finish when the second water supply stage, this Instant heating type boiler is finished the work.
The present invention is divided into the first water supply stage, stop phase and the second water supply stage with the water supply of water pump 13.The first water supply stage and heating steps carry out simultaneously, and in stop phase, water has covered the heating part 128 with heating film 123, again water is heated to design temperature, has effectively avoided the dry combustion method of heating container 12, has improved the life-span of heating container 12; Through collection, introduced first adjustment process in addition, guaranteed the match and regulate of the second water supply stage heating power and water pump 12 flows, when guaranteeing leaving water temperature, practiced thrift energy stop phase heating power and heat time heating time.
Being appreciated that said level sensor also can separate with temperature sensor is separately positioned on the delivery port place.
Be appreciated that said first adjustment process also can regulate the flow of water pump according to heat time heating time t and heating power P, when flow is non-adjustable, regulate heating power again.The nonessential variation of so this present invention is also within protection domain of the present invention.
Embodiment two:
See also Fig. 4, second embodiment of the Instant heating type boiler 20 of the present invention, this Instant heating type boiler 20 is with the difference of Instant heating type boiler 10: said water pump 13 is electromagnetic pump.Because electromagnetic pump itself possesses the effect of unidirectional water supply anti-return, reduced the complexity of structural design.
See also second embodiment of the control method of the Instant heating type boiler of the present invention shown in Figure 5, the difference of first embodiment of itself and control method is: said control method also comprises second adjustment process that control device 14 is regulated heating film 123 heating powers in the second water supply stage according to the detected value of the temperature sensor 152 at delivery port 122 places.
The present invention realizes unidirectional water supply through electromagnetic pump, has reduced the structural design of check valve, has simplified the structure of Instant heating type boiler.In addition; The present invention introduces detected temperatures and the design temperature that control device 14 obtains temperature sensor 152 and compares; And then judge the size of this difference variation rate, thereby realize second adjustment process that the amplitude that the flow or the heating power of water pump 13 are regulated is regulated.Full state when effectively having reduced temperature near design temperature makes in the time of energy savings that leaving water temperature is more controlled.
Be appreciated that said second adjustment process also can regulate the amplitude of heating power, the amplitude of regulating pump capacity more earlier.The nonessential variation of so this present invention is also within protection domain of the present invention.
In this embodiment, all the other steps are all consistent with first embodiment with beneficial effect, give unnecessary details no longer one by one here.
Claims (10)
1. Instant heating type boiler; Comprise water tank, water pump, control device and heating container, said heating container comprises the heating part with heating film, it is characterized in that; Said heating container also comprises the dry combustion method test section that is higher than the heating part; The dry combustion method test section is provided with the sensing device that is used to detect water level in the dry combustion method test section, and sensing device is electrically connected with control device, and said control device is according to the duty of the signal controlling heating part of sensing device.
2. Instant heating type boiler as claimed in claim 1 is characterized in that, said dry combustion method test section comprises the delivery port that is communicated with the heating part, and sensing device is arranged on the delivery port place.
3. Instant heating type boiler as claimed in claim 2 is characterized in that, also is provided with the fluid stopping part that prevents that water refluxes in the heating container between said heating container and the water tank.
4. Instant heating type boiler as claimed in claim 3 is characterized in that, said fluid stopping part is the check valve that is arranged in the feed pipe.
5. Instant heating type boiler as claimed in claim 2 is characterized in that, said water pump is an electromagnetic pump.
6. Instant heating type boiler as claimed in claim 2 is characterized in that said sensing device comprises level electrode and temperature sensor, and said control device is according to the duty of the signal controlling water pump of level electrode.
7. one kind like any described Instant heating type boiler control method of claim 1 to 6, and said control method may further comprise the steps:
The water supply step: control device control water pump provides the water of heating container;
Heating steps: control device control heating film is heated to design temperature with water in the heating container;
It is characterized in that, said water supply step comprise control device control water pump with water supply with in the heating container first water supply stage to sensing device, stop phase, control water pump that the water in the heating container is heated to design temperature continues second water supply stage of supplying water.
8. the control method of Instant heating type boiler as claimed in claim 7 is characterized in that, the dwell time of said stop phase is 1 ~ 5 second.
9. the control method of Instant heating type boiler as claimed in claim 8; It is characterized in that; Control device record is heated to the t and heating power P heat time heating time of design temperature K with water in the runner in the said stop phase, and this control method comprises that also control device in the second water supply stage is according to first adjustment process that this heat time heating time, t and heating power P regulated heating container heating power and/or water pump water supply flow.
10. the control method of Instant heating type boiler as claimed in claim 9; It is characterized in that said control method also comprises second adjustment process that control device is regulated heating container heating power and/or water pump water supply flow in the second water supply stage according to the sensing device detected temperatures value at delivery port place.
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| CN201110445538XA CN102434971A (en) | 2011-12-28 | 2011-12-28 | Instant heating water boiler and control method thereof |
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| CN201110445538XA CN102434971A (en) | 2011-12-28 | 2011-12-28 | Instant heating water boiler and control method thereof |
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| CN103047765A (en) * | 2012-12-20 | 2013-04-17 | 上海博玺自动化科技有限公司 | Water boiler with temperature control heat preservation function |
| CN103486734A (en) * | 2013-10-09 | 2014-01-01 | 俞升洋 | Water heater |
| CN103486735A (en) * | 2013-10-09 | 2014-01-01 | 俞群涛 | Water heating system |
| CN103486733A (en) * | 2013-10-09 | 2014-01-01 | 俞亮亮 | Water heating device |
| CN104676898A (en) * | 2013-11-28 | 2015-06-03 | 上海科勒电子科技有限公司 | Method and device for avoiding dry burning of heater of water heating system and water heating system |
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| CN104676898A (en) * | 2013-11-28 | 2015-06-03 | 上海科勒电子科技有限公司 | Method and device for avoiding dry burning of heater of water heating system and water heating system |
| CN107625425A (en) * | 2017-10-31 | 2018-01-26 | 广东碧丽饮水设备有限公司 | Constant temperature warm water mother and baby's machine |
| CN109186078A (en) * | 2018-09-29 | 2019-01-11 | 重庆市亚特蓝电器有限责任公司 | A kind of porcelain energy thick film heater and its manufacturing method |
| CN109907659A (en) * | 2019-03-08 | 2019-06-21 | 中山智淘电器制造有限责任公司 | Instant heating type water heating container and working method thereof |
| CN110301827A (en) * | 2019-06-27 | 2019-10-08 | 九阳股份有限公司 | A kind of water outlet control method of food processor |
| CN110301827B (en) * | 2019-06-27 | 2021-09-10 | 九阳股份有限公司 | Water outlet control method of food processor |
| CN111103623A (en) * | 2019-12-09 | 2020-05-05 | 九阳股份有限公司 | Water detection method of food processing machine |
| CN111513566A (en) * | 2020-04-21 | 2020-08-11 | 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 |
| 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 |
| CN112178944A (en) * | 2020-09-28 | 2021-01-05 | 深圳市朗科智能电气股份有限公司 | Extremely-speed constant-temperature regulation and control method of quick water heater |
| CN112651384A (en) * | 2021-01-15 | 2021-04-13 | 芜湖美的厨卫电器制造有限公司 | Method, device, storage medium and processor for zero-cold-water gas water heater |
| CN114251828A (en) * | 2021-08-24 | 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 |
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Application publication date: 20120502 |