CN103234276A - Control device of domestic intelligent electric control fan heater - Google Patents
Control device of domestic intelligent electric control fan heater Download PDFInfo
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- CN103234276A CN103234276A CN2013101573237A CN201310157323A CN103234276A CN 103234276 A CN103234276 A CN 103234276A CN 2013101573237 A CN2013101573237 A CN 2013101573237A CN 201310157323 A CN201310157323 A CN 201310157323A CN 103234276 A CN103234276 A CN 103234276A
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Abstract
The invention relates to a fan heater control device. The fan heater control device utilizes an intelligent control chip to control PTC (positive temperature coefficient) heating elements, utilizes a digital temperature sensor to detect indoor temperature in real time and takes corresponding control measures to adjust the indoor temperature, thereby well overcoming the defects of complex structure, high cost, low control accuracy and poor reliability of an existing fan heater control circuit. The fan heater control device comprises the intelligent control chip 4; the intelligent control chip 4 is connected with a button input circuit 1, an indoor temperature acquisition circuit 2 and an in-machine temperature acquisition circuit 3; the intelligent control chip 4 is connected with a voice alarm circuit 5 and a liquid crystal display circuit 15; the intelligent control chip 4 is connected with a fan motor driving circuit 7 and two heating element control circuits 10 and 13 respectively through optoelectronic isolation circuits 6, 9 and 12; the fan motor drive circuit 7 is connected with a fan motor 8, the heating element control circuit 10 is connected with the heating element (1) 11; and the heating element control circuit 13 is connected with the heating element (2) 14. The fan heater control device is applied to the intelligent control of a domestic electric control fan heater.
Description
Technical field
Patent of the present invention relates to a kind of intelligent control chip control heater element that utilizes, and adopts digital temperature sensor indoor temperature to be detected and takes corresponding control measure in real time, regulates the warm-air drier control device of indoor temperature, belongs to the household electrical appliance class.
Background technology
At present, the heater element of warm-air drier adopts the PTC ceramic heating element mostly, owing to it has the good energy-conservation characteristic, extremely low thermal inertia and the flames of anger, radiationless advantages such as security is widely used in warm-air drier.But existing warm-air drier control system all is to adopt the open loop control of discrete component, causes shortcomings such as control circuit complex structure, cost height, control accuracy are low, poor reliability, has influenced the overall performance of warm-air drier.
Summary of the invention
The purpose of patent of the present invention is to provide a kind of domestic intelligent automatically controlled warm-air drier control device; make it have basic functions such as temperature setting, liquid crystal display, audio alert, heating, the autostop of blowing, fall; utilize single-chip microcomputer and digital temperature sensor to form the temperature closed loop control system simultaneously; adopt Fuzzy PID, correlated performances such as the control accuracy of raising system and reliability when reducing cost.
Above-mentioned purpose realizes by following technical scheme:
The automatically controlled warm-air drier control device of domestic intelligent, its composition comprises: button inputting circuits, temperature collection circuit, intelligent control chip, liquid crystal display circuit, voice alarm circuit, output control circuit and power circuit etc.Described keyboard given circuit, temperature collection circuit connect intelligent control chip respectively; Described intelligent control chip connects liquid crystal display circuit, output control circuit; Described output control circuit connects heating element heater.
The automatically controlled warm-air drier control device of described domestic intelligent, described intelligent control chip adopts the AT89C51 single-chip microcomputer, and described temperature collection circuit adopts the DS18B20 digital temperature sensor.Described heating element heater adopts PTC(Positive Temperature Coefficient) thermistor.
Beneficial effect:
It is simple, safe and reliable that patent of the present invention has a circuit structure, characteristics such as easy and simple to handle; Advantages such as simultaneously this patent of invention is for traditional warm-air drier control device, and control accuracy is higher, adjustment is faster, and adaptive ability is stronger, and man-machine interaction is more perfect.
Description of drawings:
Accompanying drawing 1 is the structural representation of patent of the present invention.
Accompanying drawing 2 is temperature acquisition, demonstration and voice alarm circuit of patent of the present invention.
Accompanying drawing 3 is output control circuits of patent of the present invention.
According to the electronic chart relevant regulations, has annexation between the circuit of same pin.
The specific embodiment:
Embodiment 1:
As shown in Figure 1, the automatically controlled warm-air drier control device of domestic intelligent, its composition comprises: intelligent control chip 4, described intelligent control chip 4 connects button inputting circuits 1, indoor temperature Acquisition Circuit 2, built-in temperature Acquisition Circuit 3; Described intelligent control chip 4 connects voice alarm circuit 5, liquid crystal display circuit 15; Described intelligent control chip 4 is connected with fan electromotor drive circuit 7, heating element heater control circuit 10,13 respectively by photoelectric isolating circuit 6,9,12; Described fan electromotor drive circuit 7 connects fan electromotor 8; Described heating element heater control circuit 10 connects heating element heater (1) 11; Described heating element heater control circuit 13 connects heating element heater (2) 14.
Embodiment 2:
The automatically controlled warm-air drier control device of described domestic intelligent, described single-chip microcomputer adopts AT89C51, described indoor temperature Acquisition Circuit and built-in temperature Acquisition Circuit all adopt the DS18B20 digital temperature sensor, described liquid crystal display circuit adopts the LCD1602 LCD MODULE, and described voice alarm circuit adopts the ISD1420 speech chip.
In embodiment illustrated in fig. 2, two DS18B20 digital temperature sensors are connected with P1.0, the P1.1 pin of single chip computer AT 89C51 respectively, indoor, the built-in temperature gathered are stored in the RAM of single-chip microcomputer, and compare with predefined temperature, transfinite by speech chip ISD1420 alarm.Indoor temperature is shown in real time by the LCD1602 LCD MODULE.
Embodiment 3:
In the embodiment shown in fig. 3, P1.2, the P1.3 pin with single chip computer AT 89C51 drives chip L298 by photoelectric isolated chip TLP521-4 control direct current generator, the rotation of the fan electromotor that L298 driving direct current generator is realized.The P1.4 of single chip computer AT 89C51, P1.5 pin are by the folding of photoelectric isolated chip TLP521-4 control triode Q1, Q2, and then control relay K1, K2 finish heating element heater PTC(1) and heating element heater PTC(2) connecting and disconnecting.
Patent work process of the present invention mainly comprises three phases: singly send the cold wind stage during start.As long as start, no matter which kind of duty is system be in, and fan electromotor is necessary air-supply work all, prevents that dry combustion method from causing the damage of components and parts.
Low-heat air-supply working stage.Utilize the button design temperature, when keeping the fan electromotor rotation, heating element heater PTC(1 is connected in the P1.4 pin control relay K1 adhesive of single-chip microcomputer), realize low-heat air-supply function.
High heat air-supply working stage.Continue to keep the low-heat ventilation state, by the P1.5 pin control relay K2 adhesive of single-chip microcomputer, connect heating element heater PTC(2), realize high heat air-supply function.After this, along with the rising of temperature, temperature sensor DS18B20 is, and actual temperature is gathered, input single-chip microcomputer and predefined temperature compare obtains deviation, adopt Fuzzy PID, temperature is controlled, namely control the rotating speed of heating element heater and fan electromotor; Simultaneously temperature is shown.
Claims (2)
1. automatically controlled warm-air drier control device of domestic intelligent, its composition comprises: intelligent control chip is characterized in that: described intelligent control chip connects button inputting circuits, indoor temperature Acquisition Circuit, built-in temperature Acquisition Circuit, voice alarm circuit and liquid crystal display circuit; Described intelligent control chip connects fan electromotor by photoelectric isolating circuit, fan drive circuit; Described intelligent control chip connects heating element heater by photoelectric isolating circuit, heating element heater control circuit.
2. the automatically controlled warm-air drier control device of domestic intelligent according to claim 1, it is characterized in that: described intelligent control chip adopts the AT89C51 single-chip microcomputer, described indoor and built-in temperature Acquisition Circuit employing DS18B20 digital temperature sensor, described heating element heater adopts PTC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101573237A CN103234276A (en) | 2013-04-29 | 2013-04-29 | Control device of domestic intelligent electric control fan heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101573237A CN103234276A (en) | 2013-04-29 | 2013-04-29 | Control device of domestic intelligent electric control fan heater |
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| CN103234276A true CN103234276A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101573237A Pending CN103234276A (en) | 2013-04-29 | 2013-04-29 | Control device of domestic intelligent electric control fan heater |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421130A (en) * | 2017-09-06 | 2017-12-01 | 泰州钊阳冷暖风机制造有限公司 | A kind of warm-air drier control intelligence instrument |
| CN108061380A (en) * | 2017-12-27 | 2018-05-22 | 苏州塔比诺机电有限公司 | A kind of Intelligent warm air blower with antirust body |
| CN109545052A (en) * | 2018-12-26 | 2019-03-29 | 宝鸡文理学院 | A kind of SCM Based closed loop temperature adjustment experimental system |
| CN110311356A (en) * | 2019-07-16 | 2019-10-08 | 广东起时光电科技有限公司 | A kind of over-temperature protection device of program-controlled temperature control system |
| CN114963558A (en) * | 2021-10-08 | 2022-08-30 | 青岛海尔新能源电器有限公司 | Device and method for isolating and adjusting load current and water heater |
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| CN2783383Y (en) * | 2004-12-30 | 2006-05-24 | 浪潮电子信息产业股份有限公司 | Fan check controller |
| US20090056929A1 (en) * | 2007-09-05 | 2009-03-05 | Erivations, Inc. | In-line duct supplemental heating and cooling device and method |
| CN101510750A (en) * | 2009-03-18 | 2009-08-19 | 中国矿业大学 | Device and method for detecting initial position angle of double fed electric machine rotor |
| CN201429804Y (en) * | 2009-06-24 | 2010-03-24 | 深圳市德泽能源科技有限公司 | Novel warm air blower MCU intelligent control system |
| CN203215989U (en) * | 2013-04-29 | 2013-09-25 | 王金波 | Domestic intelligent electric control fan heater control device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2783383Y (en) * | 2004-12-30 | 2006-05-24 | 浪潮电子信息产业股份有限公司 | Fan check controller |
| US20090056929A1 (en) * | 2007-09-05 | 2009-03-05 | Erivations, Inc. | In-line duct supplemental heating and cooling device and method |
| CN101510750A (en) * | 2009-03-18 | 2009-08-19 | 中国矿业大学 | Device and method for detecting initial position angle of double fed electric machine rotor |
| CN201429804Y (en) * | 2009-06-24 | 2010-03-24 | 深圳市德泽能源科技有限公司 | Novel warm air blower MCU intelligent control system |
| CN203215989U (en) * | 2013-04-29 | 2013-09-25 | 王金波 | Domestic intelligent electric control fan heater control device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421130A (en) * | 2017-09-06 | 2017-12-01 | 泰州钊阳冷暖风机制造有限公司 | A kind of warm-air drier control intelligence instrument |
| CN108061380A (en) * | 2017-12-27 | 2018-05-22 | 苏州塔比诺机电有限公司 | A kind of Intelligent warm air blower with antirust body |
| CN109545052A (en) * | 2018-12-26 | 2019-03-29 | 宝鸡文理学院 | A kind of SCM Based closed loop temperature adjustment experimental system |
| CN110311356A (en) * | 2019-07-16 | 2019-10-08 | 广东起时光电科技有限公司 | A kind of over-temperature protection device of program-controlled temperature control system |
| CN114963558A (en) * | 2021-10-08 | 2022-08-30 | 青岛海尔新能源电器有限公司 | Device and method for isolating and adjusting load current and water heater |
| CN114963558B (en) * | 2021-10-08 | 2024-04-02 | 青岛海尔新能源电器有限公司 | Device and method for isolating and adjusting load current and water heater |
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Application publication date: 20130807 |