CN2435771Y - Automatic power-adjusting thermostat for liquid heating equipment - Google Patents
Automatic power-adjusting thermostat for liquid heating equipment Download PDFInfo
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- CN2435771Y CN2435771Y CN 00228830 CN00228830U CN2435771Y CN 2435771 Y CN2435771 Y CN 2435771Y CN 00228830 CN00228830 CN 00228830 CN 00228830 U CN00228830 U CN 00228830U CN 2435771 Y CN2435771 Y CN 2435771Y
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Abstract
The utility model relates to an automatic power-adjusting thermostat for a liquid heating device, which comprises a power supply circuit 1, a temperature setting circuit 2, a temperature detecting circuit 3, a temperature indicator 4, a window comparator 5, a power-regulating circuit 6, and a water flow sense switch 7, wherein, the window comparator is respectively connected with the temperature setting circuit, the temperature detecting circuit, and the power-regulating circuit; the output end of the power-regulating circuit is connected with an over-temperature protector of the liquid heating device; the water flow sense switch and a temperature sensor are respectively arranged on temperature detecting ports of a water inlet pipe and a water outlet pipe of the liquid heating device. The utility model has the advantages of accurate control of water temperature, automatic adjustment of the power of the heating device according to a set water temperature, safety, stable performance, long service life, convenient operation, energy saving, etc.
Description
The utility model relates to a kind of automatic device that reaches the constant temperature function of adjusting of power that has, and particularly relates to a kind of power that is used for liquid heating apparatus and adjusts thermostat automatically.
In daily life, people often can see or use various liquid heating apparatus, as boiler, and water heater etc.At present, state-of-the-art is combustion type constant-temperature hot water device, and it has adopted the fuzzy control circuit, and after temperature was set, the water that heating is come out is not subjected to discharge or the energy is unsettled influences, and reaches the purpose of constant temperature, low when high when having avoided water temperature human body is damaged.But, it can not get comprehensively promoting the use of owing to costing an arm and a leg.The electrothermal water heater has water tank, and the water convection current is bad, does not reach the constant temperature effect, thereby also fails effectively to be developed and use.Above-mentioned defective has hindered the development of water heater greatly.
The purpose of this utility model is to provide a kind of energy accurate control water temperature, can regulate the power of firing equipment according to the water temperature of setting automatically, stable performance, safe and reliable, life-span is long, and is easy to use, and the liquid heating apparatus power of energy savings is adjusted thermostat automatically.
For achieving the above object, the utility model provides a kind of liquid heating apparatus power to adjust thermostat automatically, and this device comprises power circuit 1, temperature setting circuit 2, temperature sensing circuit 3, temperature indicator 4, window comparator 5, power adjusting circuit 6 and current sensitive switch 7; The said temperature initialization circuit links to each other with window comparator and temperature indicator respectively; Window comparator also links to each other with temperature sensing circuit and power adjusting circuit respectively; And the output terminal of power adjusting circuit links to each other with the overheat protector device of liquid heating apparatus; The temperature sensor of current sensitive switch and temperature sensing circuit is contained on the water inlet pipe of liquid heating apparatus respectively and rising pipe temperature detection mouth place; Temperature indicator is connected in the output terminal of temperature setting circuit by A/D converter 8, and above-mentioned each circuit all is connected with power circuit.
Described power circuit 1 can adopt voltage-stabilized power supply circuit.
Described temperature sensing circuit 3 is made of temperature sensor 31 and temperature detection amplifier 32, can adopt thermocouple, thermistor or platinum resistance equitemperature sensor and corresponding temperature detection amplifier.
Described window comparator 5 can adopt the voltage comparator integrated circuit (IC) chip, and its front end can add a differential amplifier circuit.
Described power adjusting circuit 6 adopts high pressure to isolate electronically controlled phase shifter.
Described current sensitive switch 7 can adopt tongue tube.
Temperature setting circuit, window comparator and mould/number conversion circuit and power adjusting circuit can adopt the single-chip microcomputer that contains above-mentioned several circuit, and this single-chip microcomputer has the fuzzy control function.
As seen from the above technical solution, the utility model is control water temperature accurately, and stable performance, not influenced by extraneous factor, can avoid when discharge or supply voltage are unstable unstable the and inconvenience that causes burn and scald and bring other to use of water temperature.Because the utility model is regulated power automatically by the water temperature of setting, temperature is set and is settled at one go, has reduced loaded down with trivial details water temperature and has regulated program, not only easy to use but also energy savings.In addition, rigidly connect when logical at power supply, the dash current that has reduced well heater is excessive toward raising by low with the power of well heater for power adjusting circuit, and the influence to switch and other electrical equipment also makes heater performance more stable, and the life-span is longer.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the utility model circuit theory.
Fig. 3 is another embodiment circuit theory diagrams of the present utility model.
Embodiment 1
Consult Fig. 1, liquid heating apparatus power of the present utility model is adjusted thermostat automatically and is comprised power circuit 1, temperature setting circuit 2, temperature sensing circuit 3, temperature indicator 4, window comparator 5, power adjusting circuit 6 and current sensitive switch 7.Annexation between above-mentioned each circuit as shown in Figure 2, described temperature setting circuit 2 comprises that two temperature set buttons 21 and bleeder circuit 22, wherein temperature is set button and is contained on the device panel, and is connected with bleeder circuit by lead.Bleeder circuit adopts digital regulation resistance, and as the digital regulation resistance of X9511 series, it carries out dividing potential drop with sampling voltage, obtains required temperature voltage.The input end of temperature setting circuit is connected with power circuit, and its output terminal links to each other with window comparator 5 and temperature indicator 4.Described temperature sensing circuit 3 is made of temperature sensor 31 and temperature detection amplifier 32, temperature sensor can adopt thermocouple, thermistor or platinum resistance etc., it is contained in the rising pipe temperature detection mouth place of liquid heating apparatus, and is connected in the temperature detection amplifier input terminal.The temperature detection amplifier can adopt and the corresponding amplifying circuit of temperature sensor.Described temperature indicator 4 adopts LCD or charactron, and it is connected in the output terminal of temperature setting circuit by A/D converter 8, and is fixed on the panel of liquid heating apparatus.A/D converter 8 can adopt general A/D converter, selects ICL7106 series A/D converter in this example for use.Described window comparator 5 can adopt voltage comparator integrated circuit (IC) chip such as LM393, as improving degree of accuracy, can add a differential amplifier before window comparator.The input of this window comparator, output terminal link to each other with power circuit, temperature setting circuit, temperature sensing circuit and power adjusting circuit respectively.Described power adjusting circuit adopts existing high pressure to isolate electronically controlled phase shifter.The output terminal of power adjusting circuit links to each other with the overheat protector device 9 of liquid heating apparatus.Current sensitive switch 7 is contained on the water inlet pipe of liquid heating apparatus.
Principle of work of the present utility model such as Fig. 2 institute method, when water passes through liquid heating apparatus, on the water inlet pipe and current sensitive switch closure, power circuit 1 is connected, temperature sensing circuit 3 detected temperature voltages, as exceed window comparator 5 window ranges, when being lower than the temperature voltage of setting, 6 past rises of the power with well heater of power adjusting circuit in the window ranges of detected temperature voltage at comparer, just stop the power adjustments of well heater.The window ranges that exceeds comparer as the detected temperature voltage of temperature sensing circuit, when being higher than design temperature voltage, power adjusting circuit then with the past downward modulation of the power of well heater, in the window ranges of detected temperature voltage at comparer, just stops the power adjustments of well heater.Circulation is regulated successively, stablizes set water temperature, reaches the purpose of constant temperature.
Its basic structure is with embodiment 1, just for simplified structure, reduced volume, and temperature setting circuit, window comparator, mould/number conversion circuit and circuit for power conversion are replaced by single-chip microcomputer U1, the P87LPC76X Series chip that contains above-mentioned several circuit can be selected for use.Its circuit as shown in Figure 3.
Claims (8)
1, a kind of liquid heating apparatus power is adjusted thermostat automatically, it is characterized in that it comprises power circuit (1), temperature setting circuit (2), temperature sensing circuit (3), temperature indicator (4), window comparator (5), power adjusting circuit (6) and current sensitive switch (7); Said temperature initialization circuit difference window comparator and temperature indicator link to each other; Window comparator also links to each other with temperature sensing circuit and power adjusting circuit respectively; And the output terminal of power adjusting circuit links to each other with the overheat protector device of liquid heating apparatus; The temperature sensor of current sensitive switch and temperature sensing circuit is contained on the water inlet pipe of liquid heating apparatus respectively and rising pipe temperature detection mouth place; Temperature indicator is connected in the output terminal of temperature setting circuit by A/D converter (8), and foregoing circuit all links to each other with power circuit.
2, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, described power circuit (1) can adopt voltage-stabilized power supply circuit.
3, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, temperature setting circuit (2) comprises temperature setting button (21) and bleeder circuit (22), and wherein bleeder circuit adopts digital regulation resistance.
4, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, described temperature sensing circuit (3) is made of temperature sensor (31) and temperature detection amplifier (32), temperature sensor adopts thermocouple, thermistor or platinum resistance, and the temperature detection amplifier adopts and the corresponding temperature detection amplifier of temperature sensor.
5, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, described window comparator (5) can adopt the voltage comparator integrated circuit (IC) chip, and its front end can add a differential amplifier circuit.
6, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, described power adjusting circuit (6) adopts high pressure to isolate electronically controlled phase shifter.
7, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that, described current sensitive switch (7) can adopt tongue tube.
8, liquid heating apparatus power according to claim 1 is adjusted thermostat automatically, it is characterized in that temperature setting circuit, window comparator, mould/number conversion circuit and power adjusting circuit can adopt the single-chip microcomputer with fuzzy control function that contains above-mentioned several circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228830 CN2435771Y (en) | 2000-07-17 | 2000-07-17 | Automatic power-adjusting thermostat for liquid heating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00228830 CN2435771Y (en) | 2000-07-17 | 2000-07-17 | Automatic power-adjusting thermostat for liquid heating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2435771Y true CN2435771Y (en) | 2001-06-20 |
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ID=33592240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00228830 Expired - Fee Related CN2435771Y (en) | 2000-07-17 | 2000-07-17 | Automatic power-adjusting thermostat for liquid heating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2435771Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100589056C (en) * | 2006-05-03 | 2010-02-10 | Novita株式会社 | Method of controlling temperature of warm water of bidet |
| CN103307758A (en) * | 2013-06-29 | 2013-09-18 | 苏州吉康电子科技有限公司 | Constant temperature water boiler |
| CN103314885A (en) * | 2013-06-29 | 2013-09-25 | 苏州吉康电子科技有限公司 | Incubator |
| CN103385183A (en) * | 2013-06-29 | 2013-11-13 | 苏州吉康电子科技有限公司 | Incubating device |
| CN106951010A (en) * | 2017-04-28 | 2017-07-14 | 沈阳航空航天大学 | It is a kind of can continuous alternating temperature constant temperature system and constant temperature method |
| CN107390744A (en) * | 2017-08-22 | 2017-11-24 | 华通信安(北京)科技发展有限公司 | A kind of temperature control power amplification circuit |
| CN109595787A (en) * | 2019-01-14 | 2019-04-09 | 广东盈科电子有限公司 | A kind of automatic adjustment controlling means of the Thermostatic water heaters that temperature drift is calibrated automatically and the Thermostatic water heaters |
| CN110850916A (en) * | 2019-11-21 | 2020-02-28 | 重庆超力高科技股份有限公司 | Heater control method, device, equipment and storage medium |
| CN111630467A (en) * | 2017-12-22 | 2020-09-04 | 洁美来有限公司 | Thermal control apparatus and method |
-
2000
- 2000-07-17 CN CN 00228830 patent/CN2435771Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100589056C (en) * | 2006-05-03 | 2010-02-10 | Novita株式会社 | Method of controlling temperature of warm water of bidet |
| CN103307758A (en) * | 2013-06-29 | 2013-09-18 | 苏州吉康电子科技有限公司 | Constant temperature water boiler |
| CN103314885A (en) * | 2013-06-29 | 2013-09-25 | 苏州吉康电子科技有限公司 | Incubator |
| CN103385183A (en) * | 2013-06-29 | 2013-11-13 | 苏州吉康电子科技有限公司 | Incubating device |
| CN106951010A (en) * | 2017-04-28 | 2017-07-14 | 沈阳航空航天大学 | It is a kind of can continuous alternating temperature constant temperature system and constant temperature method |
| CN107390744A (en) * | 2017-08-22 | 2017-11-24 | 华通信安(北京)科技发展有限公司 | A kind of temperature control power amplification circuit |
| CN111630467B (en) * | 2017-12-22 | 2022-09-23 | 洁美来有限公司 | Thermal control apparatus and method |
| US11778695B2 (en) | 2017-12-22 | 2023-10-03 | Jemella Limited | Thermal control apparatus and method |
| CN111630467A (en) * | 2017-12-22 | 2020-09-04 | 洁美来有限公司 | Thermal control apparatus and method |
| US11558930B2 (en) | 2017-12-22 | 2023-01-17 | Jemella Limited | Thermal control apparatus and method |
| CN109595787A (en) * | 2019-01-14 | 2019-04-09 | 广东盈科电子有限公司 | A kind of automatic adjustment controlling means of the Thermostatic water heaters that temperature drift is calibrated automatically and the Thermostatic water heaters |
| CN110850916B (en) * | 2019-11-21 | 2021-06-11 | 重庆超力电器有限责任公司 | Heater control method, device, equipment and storage medium |
| CN110850916A (en) * | 2019-11-21 | 2020-02-28 | 重庆超力高科技股份有限公司 | Heater control method, device, equipment and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |