CN202838057U - Heater temperature controller - Google Patents
Heater temperature controller Download PDFInfo
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- CN202838057U CN202838057U CN 201220114875 CN201220114875U CN202838057U CN 202838057 U CN202838057 U CN 202838057U CN 201220114875 CN201220114875 CN 201220114875 CN 201220114875 U CN201220114875 U CN 201220114875U CN 202838057 U CN202838057 U CN 202838057U
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- circuit
- microcontroller
- temperature controller
- heater temperature
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Abstract
The utility model aims to provide a heater temperature controller, which has the advantages of humanization, intelligence and the like and is simple in operation, economical and practical. Heater pipelines can be automatically protected, breakage of the heater pipelines due to low temperature is prevented. In order to achieve the effects, the utility model adopts the technical solution that the heater temperature controller comprises a microcontroller processing circuit with a power source, the microcontroller processing circuit comprises a microcontroller chip which is a single-chip microcomputer, and a data memory chip, a key, a rotary coding switch and an LCD (liquid crystal display) screen are connected to pins of the microcontroller chip. By means of the technical solution, humanized operation can be realized by cooperation of the microcontroller processing circuit and each detection circuit connected with the microcontroller chip while the heater temperature controller is in normal use. Further, automatic adjustment according to indoor people number or use conditions is realized, so that adverse factors caused by temperature variation are avoided.
Description
Technical field
The utility model relates to a kind of controller, especially a kind of heater temperature controller by microcontroller chip control motor and then by-pass valve control aperture.
Background technology
In China's heating power heating system, the user can not control the flow of heating installation according to the actual needs of controlling oneself at present.So just cause no matter family has nobody, the flow of heating installation all is the opening of maximum flow, has caused a large amount of wastes.
In order to solve such problem, there are many devices about temperature control to arise at the historic moment both at home and abroad, be in the patent of invention " temperature controller " of " 200880104950.1 " such as application number, a kind of temperature controller of controlling room temperature by the operation radiator valve is namely disclosed.In order to prevent that temperature from adjusting unexpectedly, this temperature controller comprises latch-up structure, and this latch-up structure can prevent the variation of desired temperature.Temperature controller comprises one handle, and this handle is set setting value by the rotation with respect to base portion, and improves temperature controller, and temperature controller is more easily operated, and handle also can move with respect to base portion, is used for this latch-up structure of locking and removes locking.This temperature controller is to rely on thermal sensing element that temperature variation is detected on the one hand, by the gas flow of operation valve control through valve body, carries out temperature control with this simultaneously, also is provided with locking device and adjusts setting value.Such structure has solved most problem.But temperature controller of the prior art generally can only be set a fixed value, namely guarantees temperature within the specific limits, and can't carry out according to the daily schedule intellectuality control of temperature.And the consumption in the heating installation of being everlasting uncontrollable day.Especially have in the situation of a plurality of resident families in a room, need to guarantee that everyone demand is different, can obtain the heat supply scheme an of the best.
In addition, in some comparatively cold areas, when the low temp heating pipeline does not use, can will can't be heated to respective user within a period of time like this by bursting by freezing, such consequence that causes is very serious, and because the point that breaks is sought also difficult, therefore maintenance is quite taken time.Can only by pipeline is protected, can't fundamentally solve the problem of frost-cracking-preventing in the prior art.
The utility model content
The characteristics such as the purpose of this utility model is to provide a kind of heater temperature controller, has hommization, and is intelligent, simple to operate, economical and practical.Can automatically protect caliduct simultaneously, prevent because low temperature causes caliduct to break.
For reaching described effect, the technical scheme that the utility model adopts is: the heater temperature controller, comprise the microcontroller treatment circuit with power supply, comprise microcontroller chip in the described microcontroller treatment circuit, microcontroller chip is single-chip microcomputer, be connected with the data accumulating chip on its end pin, button, rotary coding switch and LCD LCDs, microcontroller chip also is electrically connected with circuit for controlling motor 6, electric machine rotation testing circuit 7, temperature sensing circuit 8, booster circuit 9 and voltage detection circuit 10, also interconnect between booster circuit 9 and the circuit for controlling motor 6, described electric machine rotation testing circuit 7 connects valve for heating installation valve.
Preferably, described booster circuit 9 comprises the DC converter, the input end of described DC converter connects power supply by lc circuit, the earth terminal ground connection of DC converter, be connected with a schottky diode between the input end of DC converter and the output terminal, the output terminal of DC converter connects the electric capacity of two parallel connections, and one of them electric capacity is trimmer.By such structure, booster circuit 9 can be guaranteed to make output end voltage remain at 3.2V---between the 3.0V, and by trimmer as correcting electric capacity, make the velocity variations of motor less, guarantee that namely valve opening closes more steadily, make things convenient for the accurate adjustment air output.
Preferably, comprise the detecting voltage reset chip in the described voltage detecting circuit, described detecting voltage reset chip output terminal is connected to the base stage of a PNP triode by resistance, the emitter of described PNP triode connects operating voltage, and collector connects the voltage monitoring pin of microcontroller chip.The detecting voltage reset chip is low-power chip, and this meets the power circuit requirement chip operation electric current representative value＜=4ua.When voltage detecting circuit is lower than 2.2V when the voltage that detects both ends of power, the output pin output low level of detecting voltage reset chip, this low level is connected to microcontroller chip by PNP triode and resistance, microcontroller chip produces look-at-me, at this moment LCD LCDs electric quantity of power supply flickering display, prompting user is in time changed battery or is safeguarded power supply.
Preferably; described microcontroller chip carries out connecting communication by SPI agreement and data accumulating chip; the data accumulating chip adopts 24C02; two-wire serial interface SCL, the SDA end of data accumulating chip connects SCL, the SDA end of microcontroller chip; and on the connecting line between data accumulating chip and the microcontroller chip, all be parallel with 10 kilo-ohms resistance, and be connected with protection electric capacity at earth terminal.The SCL of data accumulating chip, the SDA port is the two-wire serial interface, meets the I2C bus protocol.But along with the variation of single-chip microcomputer interference free performance, and the application of Single Chip Microcomputer (SCM) system in the abominable industrial environment, the problem that the 24C02 data are washed out appears in some intelligent single-chip computer control systems in succession.Therefore adopt protection electric capacity to guarantee the anti-interference of data accumulating chip.Preserve at any time the setting of 10 groups of programs of temperature controller and the setting of temperature in the data accumulating chip simultaneously.When temperature controller re-powered, microcontroller chip can take out the setting of the front 10 groups of programs of outage and temperature automatically from the data accumulating chip.
Preferably, that described microcontroller chip adopts is the GPL11B of Ling Yang, and described microcontroller chip has two external interrupt, and the Key that presses that one of them external interrupt connects rotary coding switch detects.Rotary encoder is the device of measuring rotating speed, and rotary encoder is by opto-electronic conversion, can convert the mechanical quantity such as the angular displacement of output shaft, angular velocity to corresponding electric pulse with digital output.The rotary encoder of doubleway output is exported the pulse of two groups of A/B phase differential, 90 degree, not only can measure rotating speed by this two group pulse, can also judge the direction of rotation.The utility model is set and is adopted rotary coding switch, and this makes user's more convenient operation, flexible.
3 pin of rotary coding switch connect the INB7 mouth line of GPL11B chip, the IOA0 mouth line of 1 pin ground connection GPL11B chip, and 2 pin connect positive supply VDD pin.Wherein INB7 mouth line, IOA0 mouth line inside are with pull down resistor, and the IOA0 mouth is the external interrupt mouth line of GPL11B chip.When the IOA0 mouth triggers external interrupt, detect INB7 mouth line level state, if INB7 mouth line is low level, illustrate that then code switch is counter-rotating, if INB7 mouth line is high level, illustrate that then code switch is forward, and then realize this temperature controller time, temperature, program function is set.
Preferably, microcontroller chip forms RFC temperature sensing circuit 8 by internal circuit and chip periphery electric capacity, thermistor.The RFC circuit is to make the variation of thermistor parameter transfer the circuit that corresponding frequencies changes to, measures temperature by RFC quicker, accurate.
Preferably, described circuit for controlling motor 6 comprises that the delivery outlet of microcontroller chip is controlled motor H bridge circuit, makes the motor forward or reverse by 4 NPN triodes, 2 PNP triodes, 4 Electric Machine Control H bridge circuits that diode forms.
Preferably, electric machine rotation testing circuit 7 is reflective light electric transducer GP2S09.When microcontroller chip control electric machine rotation, reflective sheeting on the driven gear rotates, the IOA2 of GPL11B chip, falls in GP2S09 sensor 3 pin generation one and rushes signal along the pulse when the gear reflective sheeting turns to GP2S09 sensor place to GP2S09 sensor 1 pin output high level like this.The angle of coming like this by-pass valve control to open, close.Thereby the temperature in the pulpit.
Owing to having adopted described technical scheme, the utility model cooperates running, realization hommization operation by microcontroller treatment circuit and each testing circuit of being connected with microcontroller chip simultaneously except normal use.Can in time automatically adjust according to indoor number or behaviour in service, avoid because the unfavorable factor that temperature variation is brought.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the one-piece construction schematic diagram of the utility model heater temperature controller.
Fig. 2 is circuit for controlling motor 6 structural representations of the utility model heater temperature controller.
Fig. 3 is the microcontroller treatment circuit structural representation of the utility model heater temperature controller.
Fig. 4 is the reset detection chip structure schematic diagram of the utility model heater temperature controller.
Fig. 5 is booster circuit 9 structural representations of the utility model heater temperature controller.
Embodiment
Shown in Fig. 1-5: the heater temperature controller, comprise the microcontroller treatment circuit with power supply, comprise microcontroller chip 1 in the described microcontroller treatment circuit, microcontroller chip 1 is single-chip microcomputer, be connected with data accumulating chip 2 on the single-chip microcomputer end pin, button 3, rotary coding switch 4 and LCD LCDs 5, microcontroller chip 1 also is electrically connected with circuit for controlling motor 6, electric machine rotation testing circuit 7, temperature sensing circuit 8, booster circuit 9 and voltage detection circuit 10, also interconnect between booster circuit 9 and the circuit for controlling motor 6, described electric machine rotation testing circuit 7 connects valve for heating installation valve.Described booster circuit 9 comprises the DC converter, the input end of described DC converter connects power supply by lc circuit, the earth terminal ground connection of DC converter, be connected with a schottky diode between the input end of DC converter and the output terminal, the output terminal of DC converter connects the electric capacity of two parallel connections, and one of them electric capacity is trimmer.Comprise the detecting voltage reset chip in the described voltage detecting circuit, described detecting voltage reset chip output terminal is connected to the base stage of a PNP triode by resistance, the emitter of described PNP triode connects operating voltage, and collector connects the voltage monitoring pin of microcontroller chip 1.Described microcontroller chip 1 carries out connecting communication by SPI agreement and data accumulating chip 2; data accumulating chip 2 adopts 24C02; two-wire serial interface SCL, the SDA end of data accumulating chip 2 connects SCL, the SDA end of microcontroller chip 1; and on the connecting line between data accumulating chip 2 and the microcontroller chip 1, all be parallel with 10 kilo-ohms resistance, and be connected with protection electric capacity at earth terminal.That described microcontroller chip 1 adopts is the GPL11B of Ling Yang, described microcontroller chip 1 has two external interrupt, one of them external interrupt connects rotary coding switch 4 De and Ans Key and detect, 3 pin of rotary coding switch 4 connect the INB7 mouth line of GPL11B chip, the IOA0 mouth line of 1 pin ground connection GPL11B chip, 2 pin connect positive supply VDD pin.Wherein INB7 mouth line, IOA0 mouth line inside are with pull down resistor, and the IOA0 mouth is the external interrupt mouth line of GPL11B chip.Microcontroller chip 1 forms RFC temperature sensing circuit 8 by internal circuit and chip periphery electric capacity, thermistor, and the RFC circuit is to make the variation of thermistor parameter transfer the circuit that corresponding frequencies changes to.Described circuit for controlling motor 6 comprises by 4 NPN triodes, 2 PNP triodes, 4 Electric Machine Control H bridge circuits that diode forms, the delivery outlet control motor H bridge circuit of microcontroller chip, make the motor forward or reverse, 2 NPN triode Q1, the Q2 that the motor both sides are respectively equipped with and 2 PNP triode Q3, Q4 guarantee the not simultaneously conducting of triode of two homonymies on the H bridge, and Q5, Q6 are used for the triode of control linkage motor as on-off circuit.When motor reversal, at this time motor may produce an inverse electromotive force that is higher than power supply, may damage triode, so add diode protection.By such H bridge circuit control air-out, guarantee that air-out is accurate, carefully hold temperature controlled details.
In addition, with the control chip of reflective light electric transducer GP2S09 as electric machine rotation testing circuit 7.In case motor goes wrong and can in time find like this, be convenient to maintenance.
Adopt described technical scheme, this heating installation temperature control utensil has the clock control function, can determine temperature-control range according to actual solar term, avoids child old man because the misoperation generation is opened heating installation or opened the problems such as cold air winter summer.Control by two temperature every day, i.e. Economical Temperature and comfort temperature.Economical Temperature refers to the unmanned and temperature when sleeping night of family on daytime.This moment, temperature and outdoor temperature differed less, reached energy-saving effect, and comfort temperature refers to get up before the working morning and the temperature before the sleep of going back home of coming off duty, and makes people feel comfortable.All temperature adjustment are all based on the human body comfort temperature, and and a plurality of conditional combinations such as outdoor temperature contrast under selection.Since these purposes, so booster circuit 9 uses are very frequent, and so wherein one of them electric capacity is that trimmer just can be convenient to fast, the accurate adjustment output power, is used for the control room temperature.
For more corresponding particular surroundingss, such as patient is arranged in the family, the perhaps special people of physique, this heating installation temperature controller can be preset at most 10 groups of programs in data accumulating chip 2, and every group of program comprises 4 program segments, i.e. 4 time periods of every natural gift.When temperature controller detected current environmental temperature and is lower than 2 degrees centigrade of the temperature of present procedure section, rotary electric machine made the certain angle of valve open.When (present procedure section temperature)-(current environmental temperature)＞=5 degree centigrade valve wide open.Equally valve state does not change when (current environmental temperature)-(present procedure section temperature)＜=2 degrees centigrade.When (current environmental temperature)-(present procedure section temperature)＞2 degrees centigrade and＜=reverse motors makes the certain angle of valve closing 4 degrees centigrade the time.Rotary electric machine is closed valve fully when (current environmental temperature)-(present procedure section temperature)＞=5 degrees centigrade.
For avoiding child operation, temperature controller Jia is Aned the Key lock function.Automatically entered in 15 seconds Dang after Key operation, delaying time and to An the Key lock-out state.Or long by " ATUO/MANU ” Key entered or Tui Chu Key lock-out state in 2 seconds.Lock-out state LCD LCDs 5 shows Ans Key by Tong Guo " AUTO/MANU ” is Aned Key, can also make temperature controller enter the automatic or manual state.Under auto state, the user can rotate driver chuck at any time, and the needed temperature of user is set, and enters the manual control when free section.Under the effect of detecting voltage reset chip, the temperature of cancellation manual control the last period when program enters next programmed control section, the triode that connects the detecting voltage reset chip has also played the effect of low consumption standby switches.
For preventing the low temp heating pipeline by bursting by freezing, when temperature sensing circuit 8 detects indoor temperature and is lower than 5 degrees centigrade, automatically open valve for heating installation valve, make indoor temperature be raised to 8 degrees centigrade.If daytime, the family members went to work, the family no one just can turn down temperature a little.Gone home evening, can transfer up temperature again, so both saved the energy, reduced again user's expense expenditure.
To sum up, although the heater temperature controller belongs to a kind of comparatively common equipment in market, but will be under the prerequisite that cost does not increase as far as possible, user's use impression is considered in maximization, with the product user demand that gears to actual circumstances, accomplish the design of the most hommization, just need at some detail sections, make the design of crucial touch.The utility model has been drawn consumer's feedback conscientiously, and perfect user's experience has reached the technique effect that prior art can't be reached.
Claims (8)
1. heater temperature controller, comprise the microcontroller treatment circuit with power supply, it is characterized in that: comprise microcontroller chip (1) in the described microcontroller treatment circuit, microcontroller chip (1) is single-chip microcomputer, be connected with data accumulating chip (2) on the single-chip microcomputer end pin, button (3), rotary coding switch (4) and LCD LCDs (5), microcontroller chip (1) also is electrically connected with circuit for controlling motor (6), electric machine rotation testing circuit (7), temperature sensing circuit (8), booster circuit (9) and voltage detection circuit (10), also interconnect between booster circuit (9) and the circuit for controlling motor (6), described electric machine rotation testing circuit (7) connects valve for heating installation valve.
2. heater temperature controller as claimed in claim 1, it is characterized in that, described booster circuit (9) comprises the DC converter, the input end of described DC converter connects power supply by lc circuit, the earth terminal ground connection of DC converter, be connected with a schottky diode between the input end of DC converter and the output terminal, the output terminal of DC converter connects the electric capacity of two parallel connections, and one of them electric capacity is trimmer.
3. heater temperature controller as claimed in claim 1, it is characterized in that: comprise the detecting voltage reset chip in the described voltage detecting circuit, described detecting voltage reset chip output terminal is connected to the base stage of a PNP triode by resistance, the emitter of described PNP triode connects operating voltage, and collector connects the voltage monitoring pin of microcontroller chip (1).
4. heater temperature controller as claimed in claim 1; it is characterized in that: described microcontroller chip (1) carries out connecting communication by SPI agreement and data accumulating chip (2); data accumulating chip (2) adopts 24C02; two-wire serial interface SCL, the SDA end of data accumulating chip (2) connects SCL, the SDA end of microcontroller chip (1); and on the connecting line between data accumulating chip (2) and the microcontroller chip (1), all be parallel with 10 kilo-ohms resistance, and be connected with protection electric capacity at earth terminal.
5. such as claim 1-4 arbitrary described heater temperature controller wherein, it is characterized in that: that described microcontroller chip (1) adopts is the GPL11B of Ling Yang, described microcontroller chip (1) has two external interrupt, one of them external interrupt connects rotary coding switch, and (4) De are Aned Key and are detected, 3 pin of rotary coding switch (4) connect the INB7 mouth line of GPL11B chip, the IOA0 mouth line of 1 pin ground connection GPL11B chip, 2 pin connect positive supply VDD pin, INB7 mouth line wherein, IOA0 mouth line inside is with pull down resistor, and the IOA0 mouth is the external interrupt mouth line of GPL11B chip.
6. heater temperature controller as claimed in claim 1 is characterized in that: microcontroller chip (1) forms RFC temperature sensing circuit (8) by internal circuit and chip periphery electric capacity, thermistor.
7. heater temperature controller as claimed in claim 1, it is characterized in that: described circuit for controlling motor (6) comprises by 4 NPN triodes, 2 PNP triodes, 4 Electric Machine Control H bridge circuits that diode forms, the delivery outlet control motor H bridge circuit of microcontroller chip, make the motor forward or reverse, the motor both sides are respectively equipped with 2 NPN triode Q1, Q2 and 2 PNP triode Q3, Q4, guarantee the not simultaneously conducting of triode of two homonymies on the H bridge, and Q5, Q6 are used for the triode of control linkage motor.
8. heater temperature controller as claimed in claim 1, it is characterized in that: the control chip of electric machine rotation testing circuit (7) is reflective light electric transducer GP2S09.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114875 CN202838057U (en) | 2012-03-23 | 2012-03-23 | Heater temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220114875 CN202838057U (en) | 2012-03-23 | 2012-03-23 | Heater temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838057U true CN202838057U (en) | 2013-03-27 |
Family
ID=47949721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220114875 Withdrawn - After Issue CN202838057U (en) | 2012-03-23 | 2012-03-23 | Heater temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637051A (en) * | 2012-03-23 | 2012-08-15 | 慈溪市一栋电子有限公司 | Heater temperature controller |
| CN105963891A (en) * | 2016-06-16 | 2016-09-28 | 蚌埠依爱消防电子有限责任公司 | Start-stop switching circuit controlled by two wires, terminal load, detection circuit and detection method |
-
2012
- 2012-03-23 CN CN 201220114875 patent/CN202838057U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637051A (en) * | 2012-03-23 | 2012-08-15 | 慈溪市一栋电子有限公司 | Heater temperature controller |
| CN102637051B (en) * | 2012-03-23 | 2014-07-02 | 慈溪市一栋电子有限公司 | Heater temperature controller |
| CN105963891A (en) * | 2016-06-16 | 2016-09-28 | 蚌埠依爱消防电子有限责任公司 | Start-stop switching circuit controlled by two wires, terminal load, detection circuit and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20140702 |
|
| RGAV | Abandon patent right to avoid regrant |