CN103631288A - Temperature controller and temperature control method thereof - Google Patents
Temperature controller and temperature control method thereof Download PDFInfo
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- CN103631288A CN103631288A CN201310626142.4A CN201310626142A CN103631288A CN 103631288 A CN103631288 A CN 103631288A CN 201310626142 A CN201310626142 A CN 201310626142A CN 103631288 A CN103631288 A CN 103631288A
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Abstract
The invention relates to a temperature controller and a temperature control method thereof, relates to a controller, and aims to solve the problems that the temperature controller of an existing electric heater is poor in control precision and is not energy-saving. The temperature controller disclosed by the invention comprises a temperature collection circuit, a single chip microcomputer circuit, a keyboard circuit, a heating circuit and a display circuit, wherein the heating control signal output end of the single chip microcomputer circuit is connected with the heating control signal input end of the heating circuit; the temperature collection signal output end of the temperature collection circuit is connected with the temperature collection signal input end of the single chip microcomputer circuit; the keyboard signal output end of the keyboard circuit is connected with the keyboard signal input end of the single chip microcomputer circuit; the display signal output end of the single chip microcomputer circuit is connected with the display signal input end of the display circuit. The control method is realized by embedding software in the single-chip microcomputer circuit, indoor temperature and ground temperature which are monitored in real time are controlled to reach set values, and various input data and monitoring data are sent to an upper computer. The temperature controller and the temperature control method thereof are applied to control systems of electric heaters.
Description
Technical field
The present invention relates to a kind of controller, particularly a kind of temperature controller and temperature-controlled process thereof.
Background technology
Along with development in science and technology is changed, the scientific and technological content of lodging Conditional Include is more and more high.The a lot of building that comprise now residential building and office building, gradually abandoned traditional hot-water heating heating installation, the electric heating mode that has been transmitted to gradually, this present situation is especially more aobvious outstanding in North City.The new heating system of electric heating after China is 2000, the electric heater product from the indirect heating of Electric radiant Heating Film, Geothermal electric cable to various direct electric heatings is in the past few years the supplementary function bringing out the best in each other in heating cause.This heating system is compared plumbing fixture, and environmental pollution reduces, and is more conducive to environmental protection, and resource is more saved simultaneously, and utilization ratio is more increased.
Electricity heating can be done following classification according to heating surface area and homogeneity:
(1) point type heating: take air-conditioning, electric heating fan, radiant panel is representative;
(2) line formula heating: take heating cable as representative;
(3) face formula heating: take Electric radiant Heating Film as representative.Electric radiant Heating Film, can be further subdivided into again: the different Electric radiant Heating Film kinds such as electric heating canopy film, electric heating wall film and electric heating ground film.
And the temperature of above-mentioned electricity heating is controlled to the problem that control accuracy is low and not energy-conservation that exists.
Summary of the invention
The object of the invention is to have in order to solve the temperature control equipment of current electricity heating the problem that control accuracy is low and not energy-conservation, the invention provides a kind of temperature controller and temperature-controlled process thereof.
Temperature controller of the present invention, it comprises temperature collection circuit, single chip circuit, keyboard circuit, heater circuit and display circuit,
The heating control signal output terminal of single chip circuit is connected with the heating control signal input end of heater circuit,
The temperature acquisition signal output part of temperature collection circuit is connected with the temperature acquisition signal input part of single chip circuit,
The keyboard signal output terminal of keyboard circuit is connected with the keyboard signal input end of single chip circuit,
The display output terminal of single chip circuit is connected with the display input end of display circuit.
The temperature-controlled process of temperature controller, described control method realizes by being embedded in software at monolithic self-contained circuit, and described control method comprises the steps:
For inputting the indoor temperature of setting, the heating power of the surface temperature of setting, heater circuit and the step of room number of living in;
For receiving the temperature collection circuit step of the temperature signal of detection in real time;
Described temperature signal comprises indoor real time temperature signal, the resistance wire real time temperature signal of ground real time temperature signal and heater circuit;
The step that shows the temperature signal of described real-time detection for controlling display circuit;
While being greater than the indoor temperature of setting for the indoor real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the indoor temperature of setting for the indoor real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
While being greater than the surface temperature of setting for the ground real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the surface temperature of setting for the ground real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
For recording the step of heater circuit heat time;
For the step that the heating power of heater circuit of room number of living in, the input of input and the heater circuit heat time of record are sent to host computer.
The invention has the advantages that, the hardware circuit design that single-chip microcomputer is developed as core is take in the present invention, and embedded software controls to realize, and shows the basic functions such as communication.Thereby improved control accuracy of the present invention, by the electric energy of having saved of accurate control temperature, control accuracy of the present invention is compared and has been improved 30% with existing control device, and electric energy has also saved 50%.The scope of application of the present invention: both can be for the building electricity ground thermal control system of office building, also can family's electric heating control system among.
Accompanying drawing explanation
Fig. 1 is the principle schematic of temperature controller of the present invention.
Fig. 2 is the principle schematic of the electrical connection of temperature controller of the present invention.
Embodiment
Embodiment one: in conjunction with Fig. 1, present embodiment is described, the temperature controller described in present embodiment, it comprises temperature collection circuit 3, single chip circuit 4, keyboard circuit 5, heater circuit 6 and display circuit 7,
The heating control signal output terminal of single chip circuit 4 is connected with the heating control signal input end of heater circuit 6,
The temperature acquisition signal output part of temperature collection circuit 3 is connected with the temperature acquisition signal input part of single chip circuit 4,
The keyboard signal output terminal of keyboard circuit 5 is connected with the keyboard signal input end of single chip circuit 4,
The display output terminal of single chip circuit 4 is connected with the display input end of display circuit 7.
After the principle of work of the system of cable low temperature radiation heating is heating cable energising, working temperature is 40 ℃-60 ℃, by ground (or metope, end face) as radiating surface, in the time of with small part convection heat transfer circumference air, most heat to the building enclosure of surrounding, object, human body with radiation mode transmission, building enclosure, object and absorption of human body after radiation heat, its surface temperature raises, thereby reaches the object that improves and keep room temperature.
The display circuit of present embodiment drives chip HT1621B and lcd screen to form by LCD, in real time display update indoor temperature at that time.
Present embodiment makes temperature collection circuit 3 collecting temperature signals by the temp probe being layed in floor, by room single chip circuit 4, control temperature, heater circuit 6 heats, quite indoor temperature reaches after setting value, the heater circuit that makes of the single chip circuit of present embodiment stops heating, when indoor temperature during lower than temperature controller setting value temperature controller start again to start.Make heater circuit start heating, so reciprocal operation.
Embodiment two: present embodiment is the further restriction to the temperature controller described in embodiment one, and it also comprises indicator light circuit 8, the indicator signal output terminal of single chip circuit 4 is connected with the indicator signal input end of indicator light circuit 8.
Embodiment three: present embodiment is the further restriction to the temperature controller described in embodiment two, and it also comprises telecommunication circuit 1,
The signal of communication output terminal of single chip circuit 4 is connected with the signal of communication input end of telecommunication circuit 1.
Embodiment four: present embodiment is the further restriction to the temperature controller described in embodiment three, and it also comprises power circuit 2, described power circuit 2 comprises direct supply VCC and direct supply V1; Direct supply VCC provides working power for temperature collection circuit 3, single chip circuit 4, keyboard circuit 5, display circuit 7, indicator light circuit 8 and telecommunication circuit 1, and direct supply V1 provides working power for heater circuit 6.
Embodiment five: present embodiment is described in conjunction with Fig. 2, present embodiment is the further restriction to the temperature controller described in embodiment four, and described single chip circuit 4 comprises chip STC12C5410AD, electrochemical capacitor C1, electrochemical capacitor C7, capacitor C 2, capacitor C 3, capacitor C 6, resistance R 20 and crystal oscillator Y1;
The negative pole of one end of resistance R 20 and polar capacitor C1 is connected with the pin 3 of chip STC12C5410AD simultaneously, the power supply ground of another termination direct supply VCC of resistance R 20, and the positive pole of polar capacitor C1 connects the positive pole of direct supply VCC;
The pin two 8 of one end of the positive pole of polar capacitor C7 and capacitor C 6 and chip STC12C5410AD connects the positive pole of direct supply VCC simultaneously, the power supply ground of another termination direct supply VCC of the negative pole of polar capacitor C7 and capacitor C 6;
One end of one end of capacitor C 2 and capacitor C 3 connects the power supply ground of direct supply VCC simultaneously, one end of the other end of capacitor C 2 and crystal oscillator Y1 is connected with the pin 6 of chip STC12C5410AD simultaneously, and the other end of capacitor C 3 is connected with the other end of crystal oscillator Y1 and the pin 7 of chip STC12C5410AD simultaneously.
Embodiment six: present embodiment is described in conjunction with Fig. 2, present embodiment is the further restriction to the temperature controller described in embodiment five, temperature collection circuit 3 comprise resistance R 19, capacitor C 8, the 6th diode D6,, the 7th diode D7 and temperature sensor;
One end of one end of resistance R 19, capacitor C 8, the 7th negative electrode of diode D7 and one end of temperature sensor are connected with the pin one 9 of chip STC12C5410AD simultaneously, and the anode of the other end of the other end of resistance R 19, capacitor C 8, the anode of the 6th diode D6 and the 7th diode D7 connects the power supply ground of direct supply VCC simultaneously;
The 6th anode of diode D6 and the other end of temperature sensor connect the positive pole of direct supply VCC simultaneously.
Embodiment seven: present embodiment is described in conjunction with Fig. 2, present embodiment is the further restriction to the temperature controller described in embodiment five, and described heater circuit 6 comprises resistance R 18, a NPN type triode Q1, resistance R 19, the first diode D1 and relay K;
One end of resistance R 18 is connected with the pin one 3 of chip STC12C5410AD, the other end of resistance R 18 is connected with the base stage of NPN type triode Q1, the emitter of NPN type triode Q1 connects the power supply ground of direct supply V1, the collector of NPN type triode Q1 is connected with one end of resistance R 19, the other end of resistance R 19 was connected with one end of the coil of relay K with the anode while of the first diode D1, the other end of the first negative electrode of diode D1 and the coil of relay K is connected the positive pole of direct supply V1 simultaneously, one end of the switch of relay K connects one end of well heater, the two ends of the normal open switch of relay K are two links of well heater.
When practical application, the normal open switch of relay K is connected in the current supply circuit of well heater, realize the control to heating installation power supply power supply.
Embodiment eight: present embodiment is described in conjunction with Fig. 2, present embodiment is the further restriction to the temperature controller described in embodiment five, and pilot lamp dot circuit 8 comprises resistance R 16, resistance R 17, light emitting diode DS8 and the 2nd NPN type triode Q3;
One end of resistance R 16 connects the positive pole of direct supply VCC, the anodic bonding of the other end of resistance R 16 and light emitting diode DS8, the negative electrode of light emitting diode DS8 is connected with the collector of the 2nd NPN type triode Q3, the base stage of the 2nd NPN type triode Q3 is connected with one end of resistance R 17, the other end of resistance R 17 is connected with the pin one 2 of chip STC12C5410AD, and the emitter of the 2nd NPN type triode Q3 connects the power supply ground of direct supply VCC.
Embodiment nine: present embodiment is described in conjunction with Fig. 2, present embodiment is the further restriction to the temperature controller described in embodiment four, and power circuit 2 comprises capacitor C 9, capacitor C 10, capacitor C 11, capacitor C 12, voltage stabilizing chip L7805, rectifier circuit and transformer TRANS4;
The primary coil of transformer TRANS4 is connected in 200ACV current supply circuit, the two ends of the secondary coil of transformer TRANS4 are connected with two AC signal input ends of rectifier circuit respectively, DC power output end of rectifier circuit simultaneously with one end of capacitor C 12, the Vin of one end of capacitor C 11 and voltage stabilizing chip L7805AB-V end be connected, the other end of another DC power output end of rectifier circuit, the other end of capacitor C 12, the other end of capacitor C 11, the other end of capacitor C 9, capacitor C 10 is connected with the GND end of voltage stabilizing chip L7805AB-V simultaneously
One end of one end of capacitor C 9 and capacitor C 10 is connected with the Vout end of voltage stabilizing chip L7805AB-V simultaneously, and the Vout end of voltage stabilizing chip L7805AB-V is the positive pole of direct supply VCC, and the Vin end of voltage stabilizing chip L7805AB-V is the positive pole of direct supply V1.
Embodiment ten: present embodiment is the further restriction to the temperature controller described in embodiment one,
It also comprises control module, and described control module is embedded in single chip circuit 4, and described control module comprises as lower module:
For inputting the indoor temperature of setting, the heating power of the surface temperature of setting, heater circuit and the module of room number of living in;
For receiving the temperature collection circuit module of the temperature signal of detection in real time;
Described temperature signal comprises indoor real time temperature signal, the resistance wire real time temperature signal of ground real time temperature signal and heater circuit;
The module that shows the temperature signal of described real-time detection for controlling display circuit;
While being greater than the indoor temperature of setting for the indoor real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the module that heater circuit stops heating;
While being less than the indoor temperature of setting for the indoor real time temperature when receiving, according to the power of the heater circuit of input, control the module that heater circuit heats;
While being greater than the surface temperature of setting for the ground real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the module that heater circuit stops heating;
While being less than the surface temperature of setting for the ground real time temperature when receiving, according to the power of the heater circuit of input, control the module that heater circuit heats;
For recording the module of heater circuit heat time;
For the module that the heating power of heater circuit of room number of living in, the input of input and the heater circuit heat time of record are sent to host computer.
Embodiment 11: the temperature-controlled process of the temperature controller described in present embodiment embodiment one, described control method realizes by being embedded in software at monolithic self-contained circuit 4, and described control method comprises the steps:
For inputting the indoor temperature of setting, the heating power of the surface temperature of setting, heater circuit and the step of room number of living in;
For receiving the temperature collection circuit step of the temperature signal of detection in real time;
Described temperature signal comprises indoor real time temperature signal, the resistance wire real time temperature signal of ground real time temperature signal and heater circuit;
The step that shows the temperature signal of described real-time detection for controlling display circuit;
While being greater than the indoor temperature of setting for the indoor real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the indoor temperature of setting for the indoor real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
While being greater than the surface temperature of setting for the ground real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the surface temperature of setting for the ground real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
For recording the step of heater circuit heat time;
For the step that the heating power of heater circuit of room number of living in, the input of input and the heater circuit heat time of record are sent to host computer.
Claims (10)
1. temperature controller, is characterized in that, it comprises temperature collection circuit (3), single chip circuit (4), keyboard circuit (5), heater circuit (6) and display circuit (7),
The heating control signal output terminal of single chip circuit (4) is connected with the heating control signal input end of heater circuit (6),
The temperature acquisition signal output part of temperature collection circuit (3) is connected with the temperature acquisition signal input part of single chip circuit (4),
The keyboard signal output terminal of keyboard circuit (5) is connected with the keyboard signal input end of single chip circuit (4),
The display output terminal of single chip circuit (4) is connected with the display input end of display circuit (7).
2. temperature controller according to claim 1, is characterized in that, it also comprises indicator light circuit (8), and the indicator signal output terminal of single chip circuit (4) is connected with the indicator signal input end of indicator light circuit (8).
3. temperature controller according to claim 2, is characterized in that, it also comprises telecommunication circuit (1),
The signal of communication output terminal of single chip circuit (4) is connected with the signal of communication input end of telecommunication circuit (1).
4. temperature controller according to claim 3, is characterized in that, it also comprises power circuit (2), and described power circuit (2) comprises direct supply VCC and direct supply V1; Direct supply VCC is that temperature collection circuit (3), single chip circuit (4), keyboard circuit (5), display circuit (7), indicator light circuit (8) and telecommunication circuit (1) provide working power, and direct supply V1 is that heater circuit (6) provides working power.
5. temperature controller according to claim 4, is characterized in that, described single chip circuit (4) comprises chip STC12C5410AD, electrochemical capacitor C1, electrochemical capacitor C7, capacitor C 2, capacitor C 3, capacitor C 6, resistance R 20 and crystal oscillator (Y1);
The negative pole of one end of resistance R 20 and polar capacitor C1 is connected with the pin 3 of chip STC12C5410AD simultaneously, the power supply ground of another termination direct supply VCC of resistance R 20, and the positive pole of polar capacitor C1 connects the positive pole of direct supply VCC;
The pin two 8 of one end of the positive pole of polar capacitor C7 and capacitor C 6 and chip STC12C5410AD connects the positive pole of direct supply VCC simultaneously, the power supply ground of another termination direct supply VCC of the negative pole of polar capacitor C7 and capacitor C 6;
One end of one end of capacitor C 2 and capacitor C 3 connects the power supply ground of direct supply VCC simultaneously, the other end of capacitor C 2 is connected with one end of crystal oscillator (Y1) and the pin 6 of chip STC12C5410AD simultaneously, and the other end of capacitor C 3 is connected with the other end of crystal oscillator (Y1) and the pin 7 of chip STC12C5410AD simultaneously.
6. temperature controller according to claim 5, is characterized in that, temperature collection circuit (3) comprise resistance R 19, capacitor C 8, the 6th diode D6,, the 7th diode D7 and temperature sensor;
One end of one end of resistance R 19, capacitor C 8, the 7th negative electrode of diode D7 and one end of temperature sensor are connected with the pin one 9 of chip STC12C5410AD simultaneously, and the anode of the other end of the other end of resistance R 19, capacitor C 8, the anode of the 6th diode D6 and the 7th diode D7 connects the power supply ground of direct supply VCC simultaneously;
The 6th anode of diode D6 and the other end of temperature sensor connect the positive pole of direct supply VCC simultaneously.
7. temperature controller according to claim 5, is characterized in that, described heater circuit (6) comprises resistance R 18, a NPN type triode Q1, resistance R 19, the first diode (D1) and relay (K);
One end of resistance R 18 is connected with the pin one 3 of chip STC12C5410AD, the other end of resistance R 18 is connected with the base stage of NPN type triode Q1, the emitter of NPN type triode Q1 connects the power supply ground of direct supply V1, the collector of NPN type triode Q1 is connected with one end of resistance R 19, the other end of resistance R 19 was connected with one end of the coil of relay (K) with the anode while of the first diode (D1), the negative electrode of the first diode (D1) and the other end of the coil of relay (K) are connected the positive pole of direct supply V1 simultaneously, one end of the switch of relay (K) connects one end of well heater, two links that the two ends of the normal open switch of relay (K) are well heater.
8. temperature controller according to claim 5, is characterized in that, pilot lamp dot circuit 8 comprises resistance R 16, resistance R 17, light emitting diode (DS8) and the 2nd NPN type triode (Q3);
One end of resistance R 16 connects the positive pole of direct supply VCC, the anodic bonding of the other end of resistance R 16 and light emitting diode (DS8), the negative electrode of light emitting diode (DS8) is connected with the collector of the 2nd NPN type triode (Q3), the base stage of the 2nd NPN type triode (Q3) is connected with one end of resistance R 17, the other end of resistance R 17 is connected with the pin one 2 of chip STC12C5410AD, and the emitter of the 2nd NPN type triode (Q3) connects the power supply ground of direct supply VCC.
9. temperature controller according to claim 1, is characterized in that,
It also comprises control module, and described control module is embedded in single chip circuit (4), and described control module comprises as lower module:
For inputting the indoor temperature of setting, the heating power of the surface temperature of setting, heater circuit and the module of room number of living in;
For receiving the temperature collection circuit module of the temperature signal of detection in real time;
Described temperature signal comprises indoor real time temperature signal, the resistance wire real time temperature signal of ground real time temperature signal and heater circuit;
The module that shows the temperature signal of described real-time detection for controlling display circuit;
While being greater than the indoor temperature of setting for the indoor real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the module that heater circuit stops heating;
While being less than the indoor temperature of setting for the indoor real time temperature when receiving, according to the power of the heater circuit of input, control the module that heater circuit heats;
While being greater than the surface temperature of setting for the ground real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the module that heater circuit stops heating;
While being less than the surface temperature of setting for the ground real time temperature when receiving, according to the power of the heater circuit of input, control the module that heater circuit heats;
For recording the module of heater circuit heat time;
For the module that the heating power of heater circuit of room number of living in, the input of input and the heater circuit heat time of record are sent to host computer.
10. the temperature-controlled process of temperature controller claimed in claim 1, is characterized in that, described control method realizes by being embedded in software at monolithic self-contained circuit 4, and described control method comprises the steps:
For inputting the indoor temperature of setting, the heating power of the surface temperature of setting, heater circuit and the step of room number of living in;
For receiving the temperature collection circuit step of the temperature signal of detection in real time;
Described temperature signal comprises indoor real time temperature signal, the resistance wire real time temperature signal of ground real time temperature signal and heater circuit;
The step that shows the temperature signal of described real-time detection for controlling display circuit;
While being greater than the indoor temperature of setting for the indoor real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the indoor temperature of setting for the indoor real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
While being greater than the surface temperature of setting for the ground real time temperature when receiving, controlling the pilot lamp flicker of indicator light circuit and control the step that heater circuit stops heating;
While being less than the surface temperature of setting for the ground real time temperature when receiving, according to the power of the heater circuit of input, control the step that heater circuit heats;
For recording the step of heater circuit heat time;
For the step that the heating power of heater circuit of room number of living in, the input of input and the heater circuit heat time of record are sent to host computer.
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| CN201310626142.4A CN103631288B (en) | 2013-11-28 | 2013-11-28 | Temperature controller and temperature-controlled process thereof |
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| CN201310626142.4A CN103631288B (en) | 2013-11-28 | 2013-11-28 | Temperature controller and temperature-controlled process thereof |
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| CN105302184A (en) * | 2015-11-30 | 2016-02-03 | 成都聚汇才科技有限公司 | Dryer temperature-control system based on adjustable thermostatic control circuit |
| CN105487578A (en) * | 2016-01-11 | 2016-04-13 | 天津住总机电设备安装有限公司 | Indoor temperature change timer |
| CN107329505A (en) * | 2016-04-29 | 2017-11-07 | 长沙闽壹湖电子科技有限责任公司 | A kind of industrial temperature control system |
| CN108062128A (en) * | 2017-12-26 | 2018-05-22 | 黑龙江隆宇科技开发有限责任公司 | Power carrier temperature controller and its temprature control method |
| CN114234274A (en) * | 2021-12-28 | 2022-03-25 | 苏州康碳地暖科技有限公司 | Heating foot pad with multiple functions |
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| CN105302184A (en) * | 2015-11-30 | 2016-02-03 | 成都聚汇才科技有限公司 | Dryer temperature-control system based on adjustable thermostatic control circuit |
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| CN114234274A (en) * | 2021-12-28 | 2022-03-25 | 苏州康碳地暖科技有限公司 | Heating foot pad with multiple functions |
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| Publication number | Publication date |
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| CN103631288B (en) | 2015-10-28 |
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