CN100454201C - Heating control system for drinking machine with electrothermal film heater - Google Patents
Heating control system for drinking machine with electrothermal film heater Download PDFInfo
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- CN100454201C CN100454201C CNB2007100700494A CN200710070049A CN100454201C CN 100454201 C CN100454201 C CN 100454201C CN B2007100700494 A CNB2007100700494 A CN B2007100700494A CN 200710070049 A CN200710070049 A CN 200710070049A CN 100454201 C CN100454201 C CN 100454201C
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- temperature
- electrothermal film
- film heater
- drinking machine
- temperature difference
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Abstract
A heating control system for the water dispenser with the electric-heat diaphragm heater, which comprises a temperature transducer, a hot water discharging magnetic valve, a temperature comparison module, a temperature difference comparison module; the temperature transducer is arranged at the upper part of the inner chamber of the electric-heat diaphragm heater; the hot water discharging magnetic valve is equipped on the hot water pipe to control the hot water output; the input end of the temperature comparison module is connected with the temperature transducer; the output end thereof is connected with the hot water discharging magnetic valve; the input end of the temperature difference comparison module is connected with the temperature transducer, while the output end thereof is connected to the input end of a power output control circuit of which the output end is connected to the power supply. The utility model has the advantages that the actual leaving water temperature can meet that as demanded.
Description
(1) technical field
The present invention relates to a kind of heating control system of drinking machine with electrothermal film heater.
(2) background technology
The calandria of general water dispenser is hot courage, but because there is shortcoming such as heating, easy fouling repeatedly in the heating of hot courage, therefore drinking water apparatus with no heat bag has appearred, be in 98224252.2,01129723.9,200320118758.2,200510043279.2 the patent documentation as the patent No. or application number, disclose and utilized electrothermal film heater that the water that flows through its inner chamber is heated, can provide hot water continuously for the user.But disclosed these drinking machine with electrothermal film heater can't guarantee the leaving water temperature of hot water and meet the required leaving water temperature of people.
(3) summary of the invention
Can't guarantee that in order to overcome existing drinking machine with electrothermal film heater the leaving water temperature of hot water meets the deficiency of the required leaving water temperature of people, the invention provides a kind of actual leaving water temperature of hot water that guarantees and meet the heating control system of the drinking machine with electrothermal film heater of the required leaving water temperature of people.
The technical scheme that the present invention solves its technical matters is: a kind of heating control system of drinking machine with electrothermal film heater, comprise the electrothermal film heater inner chamber upper end that is positioned at described drinking machine with electrothermal film heater temperature sensor, be located at heat that being used on hot water effluent's pipeline control the hot water effluent solenoid valve that discharges water; Also comprise the temperature comparison module that prestores the expectation leaving water temperature, is used for detected Current Temperatures of more described temperature sensor and expectation leaving water temperature, the input end of described temperature comparison module is connected with described temperature sensor, and the output terminal of described temperature comparison module and the described heat solenoid valve that discharges water is connected; Also comprise and prestore the expectation leaving water temperature, be used for the detected Current Temperatures of more described temperature sensor and expect leaving water temperature and calculate the temperature difference calculating and comparing module of the temperature difference between the two that the input end of described temperature difference calculating and comparing module is connected with described temperature sensor; The power output control circuit that also comprises the output voltage of the temperature difference control power supply between the Current Temperatures that calculates according to temperature difference calculating and comparing module and the expectation leaving water temperature, the input end of described power output control circuit is connected with the output terminal of described temperature difference calculating and comparing module, and the output terminal of described power output control circuit is connected with power supply.
Further, comprise that also described booster circuit is connected with described power supply in order to make the booster circuit of electrothermal film heater full power operation when starting electrothermal film heater.
Further, described booster circuit is a soft starting circuit.
Further, described temperature sensor is a thermistor.
Further, described temperature comparison module, temperature difference calculating and comparing module, power output control circuit, booster circuit are integrated on the single-chip microcomputer.
Principle of work of the present invention is: temperature sensor detects the temperature of the water in the electrothermal film heater, give temperature comparison module with detected Current Temperatures information transmission, when it detects the hot water temperature and arrives expectation leaving water temperature in the temperature comparison module, temperature comparison module is sent solenoid valve and is opened signaling to the heat solenoid valve that discharges water, the heat solenoid valve that discharges water is opened, and begins to put hot water.Directly close solenoid valve, can stop to discharge water.
Water temperature can change in the electrothermal film heating pipe after water flows, temperature sensor is transferred to temperature difference calculating and comparing module with detected real time temperature value, temperature difference calculating and comparing module calculates the temperature difference of expectation leaving water temperature value and current temperature value, and judge that current temperature value is greater than still less than the expectation leaving water temperature, if current temperature value greater than expectation leaving water temperature value then step-down the power that provides to Electric radiant Heating Film is provided, increase the power that provides to Electric radiant Heating Film if current temperature value is then boosted less than expectation leaving water temperature value.
Beneficial effect of the present invention is: can guarantee that actual leaving water temperature meets the required leaving water temperature of people.Because the factor of influence heating such as cold water temperature, line voltage, Electric radiant Heating Film decay finally all is embodied on the temperature that is heated water in the electrothermal film heating pipe in the bucket, therefore can carry out power adjustments according to each influence factor according to the output power of the hot water temperature's real-time regulated electrothermal film heating pipe in the electrothermal film heating pipe comprehensively.
(4) description of drawings
Fig. 1 is the theory diagram of embodiment one.
Fig. 2 is the discharge water control flow chart of solenoid valve of heat.
Fig. 3 is the control flow chart of power adjustments.
Fig. 4 is the theory diagram of embodiment two.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Embodiment one
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of heating control system of drinking machine with electrothermal film heater, comprise the electrothermal film heater inner chamber upper end that is positioned at described drinking machine with electrothermal film heater temperature sensor 1, be located at heat that being used on hot water effluent's pipeline control the hot water effluent solenoid valve 2 that discharges water, wherein temperature sensor adopts thermistor.
Also comprise the temperature comparison module 3 that prestores the expectation leaving water temperature, is used for more described temperature sensor 1 detected Current Temperatures and expectation leaving water temperature, the input end of described temperature comparison module 3 is connected with described temperature sensor 1, and the output terminal of described temperature comparison module 3 and the described heat solenoid valve 2 that discharges water is connected.
Also comprise and prestore the expectation leaving water temperature, be used for more described temperature sensor 1 detected Current Temperatures and expect leaving water temperature and calculate the temperature difference calculating and comparing module 4 of the temperature difference between the two that the input end of described temperature difference calculating and comparing module 4 is connected with described temperature sensor 1.
Also comprise the power output control circuit 5 that calculates the output voltage of the temperature difference control power supply between 4 Current Temperatures that go out and the expectation leaving water temperature according to temperature difference calculating and comparing module, the input end of described power output control circuit 5 is connected with the output terminal of described temperature difference calculating and comparing module 4, and the output terminal of described power output control circuit 5 is connected with power supply 6.
Described temperature comparison module 3, temperature difference calculating and comparing module 4, power output control circuit 5 are integrated on the single-chip microcomputer.
Principle of work of the present invention is: temperature sensor 1 detects the temperature of the water in the electrothermal film heater, give temperature comparison module 3 with detected Current Temperatures information transmission, when it detects the hot water temperature and arrives expectation leaving water temperature in the temperature comparison module 3, temperature comparison module 3 is sent solenoid valve and is opened signaling to the heat solenoid valve 2 that discharges water, the heat solenoid valve 2 that discharges water is opened, and begins to put hot water.Directly close solenoid valve, can stop to discharge water.
Water temperature can change in the electrothermal film heating pipe after water flows, temperature sensor 1 is transferred to temperature difference calculating and comparing module 4 with detected real time temperature value, temperature difference calculating and comparing module 4 calculates the temperature difference of expectation leaving water temperature value and current temperature value, and judge that current temperature value is greater than still less than the expectation leaving water temperature, if current temperature value reduces the power that provides to Electric radiant Heating Film greater than the output voltage that expectation leaving water temperature value then reduces power supply, if current temperature value increases the power that provides to Electric radiant Heating Film less than then the raise output voltage of power supply of expectation leaving water temperature value.
Embodiment two
With reference to Fig. 2, Fig. 3, Fig. 4, in order when beginning to heat, to promote the temperature that is heated water as early as possible, the heating control system of this drinking machine with electrothermal film heater also comprises in order to make the booster circuit 7 of electrothermal film heater full power operation when starting electrothermal film heater, this booster circuit 7 is selected soft starting circuit for use in the present embodiment, and this soft starting circuit is connected with described power supply 6.
When opening electrothermal film heating pipe, the output voltage of power supply 6 is adjusted, the output power of electrothermal film heater is increased gradually until full power export in the mode of soft start.
Described temperature comparison module, temperature difference calculating and comparing module, power output control circuit, booster circuit are integrated on the single-chip microcomputer.All the other structures are identical with embodiment one with embodiment.
Claims (6)
1. the heating control system of a drinking machine with electrothermal film heater is characterized in that: comprise the electrothermal film heater inner chamber upper end that is positioned at described drinking machine with electrothermal film heater temperature sensor, be located at heat that being used on hot water effluent's pipeline control the hot water effluent solenoid valve that discharges water;
Also comprise the temperature comparison module that prestores the expectation leaving water temperature, is used for detected Current Temperatures of more described temperature sensor and expectation leaving water temperature, the input end of described temperature comparison module is connected with described temperature sensor, and the output terminal of described temperature comparison module and the described heat solenoid valve that discharges water is connected;
Also comprise and prestore the expectation leaving water temperature, be used for the detected Current Temperatures of more described temperature sensor and expect leaving water temperature and calculate the temperature difference calculating and comparing module of the temperature difference between the two that the input end of described temperature difference calculating and comparing module is connected with described temperature sensor;
The power output control circuit that also comprises the output voltage of the temperature difference control power supply between the Current Temperatures that calculates according to temperature difference calculating and comparing module and the expectation leaving water temperature, the input end of described power output control circuit is connected with the output terminal of described temperature difference calculating and comparing module, and the output terminal of described power output control circuit is connected with power supply.
2. the heating control system of drinking machine with electrothermal film heater as claimed in claim 1, it is characterized in that: comprise that also described booster circuit is connected with described power supply in order to make the booster circuit of electrothermal film heater full power operation when starting electrothermal film heater.
3. the heating control system of drinking machine with electrothermal film heater as claimed in claim 2, it is characterized in that: described booster circuit is a soft starting circuit.
4. as the heating control system of the described drinking machine with electrothermal film heater of one of claim 1～3, it is characterized in that: described temperature sensor is a thermistor.
5. the heating control system of drinking machine with electrothermal film heater as claimed in claim 1, it is characterized in that: described temperature comparison module, temperature difference calculating and comparing module, power output control circuit are integrated on the single-chip microcomputer.
6. the heating control system of drinking machine with electrothermal film heater as claimed in claim 2, it is characterized in that: described temperature comparison module, temperature difference calculating and comparing module, power output control circuit, booster circuit are integrated on the single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100700494A CN100454201C (en) | 2007-07-18 | 2007-07-18 | Heating control system for drinking machine with electrothermal film heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100700494A CN100454201C (en) | 2007-07-18 | 2007-07-18 | Heating control system for drinking machine with electrothermal film heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101109967A CN101109967A (en) | 2008-01-23 |
| CN100454201C true CN100454201C (en) | 2009-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100700494A Expired - Fee Related CN100454201C (en) | 2007-07-18 | 2007-07-18 | Heating control system for drinking machine with electrothermal film heater |
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| CN (1) | CN100454201C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101591596B (en) * | 2009-06-22 | 2013-05-29 | 山东中德设备有限公司 | System and method for controlling beer fermentation based on DCS |
| CN105731260A (en) * | 2016-01-20 | 2016-07-06 | 上海振华重工电气有限公司 | Automatic driving system and method of rubber tyred gantry container crane |
| CN108618624A (en) * | 2018-07-30 | 2018-10-09 | 小熊电器股份有限公司 | A kind of instant heating type drinking machine and its heating device, method for heating and controlling |
| CN113401031B (en) * | 2021-07-08 | 2022-10-14 | 浙江吉利控股集团有限公司 | Vehicle-mounted instant heating type drinking water system and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262621A (en) * | 1991-12-30 | 1993-11-16 | Industrial Technology Research Institute | Instant hot water apparatus utilizing electromagnetic induction heating |
| EP1097663A1 (en) * | 1999-11-02 | 2001-05-09 | Societe Des Produits Nestle S.A. | Device and method for continuous heating of liquids at a constant temperature |
| CN2542979Y (en) * | 2002-04-30 | 2003-04-02 | 潘兆铿 | Automatic positive displacement water-boiling device |
| CN1825238A (en) * | 2005-02-23 | 2006-08-30 | 保音股份有限公司 | Thermostat for water heater and method thereof |
| CN201067334Y (en) * | 2007-07-18 | 2008-06-04 | 邬志坚 | Heating control system for electrothermal film heater drinking machine |
-
2007
- 2007-07-18 CN CNB2007100700494A patent/CN100454201C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262621A (en) * | 1991-12-30 | 1993-11-16 | Industrial Technology Research Institute | Instant hot water apparatus utilizing electromagnetic induction heating |
| EP1097663A1 (en) * | 1999-11-02 | 2001-05-09 | Societe Des Produits Nestle S.A. | Device and method for continuous heating of liquids at a constant temperature |
| CN2542979Y (en) * | 2002-04-30 | 2003-04-02 | 潘兆铿 | Automatic positive displacement water-boiling device |
| CN1825238A (en) * | 2005-02-23 | 2006-08-30 | 保音股份有限公司 | Thermostat for water heater and method thereof |
| CN201067334Y (en) * | 2007-07-18 | 2008-06-04 | 邬志坚 | Heating control system for electrothermal film heater drinking machine |
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| Publication number | Publication date |
|---|---|
| CN101109967A (en) | 2008-01-23 |
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Granted publication date: 20090121 Termination date: 20130718 |