CN201014770Y - Boiler water temperature controller - Google Patents
Boiler water temperature controller Download PDFInfo
- Publication number
- CN201014770Y CN201014770Y CNU2007200177929U CN200720017792U CN201014770Y CN 201014770 Y CN201014770 Y CN 201014770Y CN U2007200177929 U CNU2007200177929 U CN U2007200177929U CN 200720017792 U CN200720017792 U CN 200720017792U CN 201014770 Y CN201014770 Y CN 201014770Y
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- temperature
- temperature control
- microcontroller
- boiler
- water
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Abstract
The utility model provides a water temperature control device for boilers, comprising a boiler water temperature detecting unit, a water pool temperature detecting unit, a drive unit, a power unit, a microcontroller installed with boiler water temperature control programs and water pool temperature control programs, wherein by detecting and computing temperature of the water pool, the water pool temperature control programs installed in the microcontroller gives a result that can be used as the preset temperature for the boiler water temperature control programs which, through detecting of boiler water temperature and logical judgment, control the on and off time of the water feed equipment of the boiler. The utility model controls the boiler to discharge water of a temperature around the preset value and then the discharged water is mixed with water in the pool to produce water of a constant temperature as required for showering or other purposes, and the utility model can be widely applied for temperature control of showering water and water for other use.
Description
Technical field
The utility model relates to the thermostatic control field of boiler water outlet, is specifically related to a kind of boiler water temperature control device.
Background technology
Usually, as everyone knows, traditional boiler leaving water temperature control method has all adopted the method for electric control valve, proportion magnetic valve or Frequency Converter Control boiler feed capacity, reach thermostatically controlled purpose, even so also be difficult to reach the purpose of complete constant leaving water temperature, electric control valve and frequency converter equipment complexity, maintenance cost height, the annex that steam generator system need dispose (as the pressure waterworks) is too many, the cost height.
The utility model content
The purpose of this utility model is: overcome the deficiency that prior art exists, design a kind of simple in structurely, the configuration annex is few, can simplify the waterworks of boiler, the boiler water temperature control device that cost reduces.
The technical solution of the utility model is: a kind of boiler water temperature control device, the microcontroller that comprises stove coolant-temperature gage detecting unit, water inlet device drives unit, power subsystem and embedded boiler water temperature control program, described stove coolant-temperature gage detecting unit, water inlet device drives unit are connected by circuit with microcontroller respectively, power subsystem is connected with microcontroller with water inlet device drives unit respectively and is its power supply, and the embedded control program of microcontroller is by detecting the startup and the dwell time of stove coolant-temperature gage and internal arithmetic control boiler feed water equipment.
Further, described stove coolant-temperature gage detecting unit is a boiler internal coolant-temperature gage testing circuit, should be able to detect the heating change of temperature in the stove.
Described boiler water temperature control device also comprises display unit, audible alarm unit and the control button unit that is connected with microcontroller.
Described boiler water temperature control device also comprises the boiler leaving water temperature detecting unit that is connected with microcontroller, is used for reacting actual leaving water temperature more realistically, guarantees temperature controlled accuracy.
Described boiler water temperature control device also comprises the cistern temperature detecting unit that is connected with microcontroller and the cistern temperature control program in the microcontroller, and the operation result of cistern temperature control program is as the fixed temperature of giving in the boiler water temperature control program.
Described boiler water temperature control device also comprises blower fan control module and the cistern water level detecting unit that is connected with microcontroller.
The utility model has following advantage compared with the prior art:
1, the utility model is simple in structure, and the annex of configuration is few;
2, the utility model has been simplified the waterworks of boiler, and cost reduces greatly.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model.
Fig. 2 is the structural principle schematic diagram of embodiment of the present utility model.
Fig. 3 is a boiler water temperature control program FB(flow block) of the present utility model.
Fig. 4 is the cistern temperature control program FB(flow block) of the utility model embodiment.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
In Fig. 1 structural representation of the present utility model:
Stove coolant-temperature gage detecting unit, water inlet device drives unit, power subsystem are connected with microcontroller by circuit respectively; Wherein stove coolant-temperature gage detecting unit is finished the detection to the stove coolant-temperature gage, the embedded boiler water temperature control of microcontroller electronic program, microcontroller reads the stove coolant-temperature gage that stove coolant-temperature gage detecting unit detects input, then with comparing that user's design temperature or internal arithmetic obtain to fixed temperature, output starts or stops the boiler feed water device signal to water inlet device drives unit, finished the startup of boiler feed water equipment and the control of dwell time by water inlet device drives unit, power subsystem provides direct current or ac working power supply for microcontroller and water inlet device drives unit.
In the structural representation of Fig. 2 embodiment of the present utility model:
The boiler water temperature control device comprises stove coolant-temperature gage detecting unit, the leaving water temperature detecting unit, the cistern temperature detecting unit, water inlet device drives unit, display unit, the microcontroller of power subsystem and embedded control program, also comprise the audible alarm unit simultaneously, the control button unit, cistern water level detecting unit and blower fan control module, described stove coolant-temperature gage detecting unit, the leaving water temperature detecting unit, the cistern temperature detecting unit, water inlet device drives unit, display unit, alarm unit, the control button unit, cistern water level detecting unit is connected with microcontroller by circuit respectively with the blower fan control module, power subsystem respectively with microcontroller, water inlet device drives unit, display unit, alarm unit, cistern water level detecting unit is connected with the blower fan control module and is its power supply;
Wherein stove coolant-temperature gage detecting unit, leaving water temperature detecting unit, cistern temperature detecting unit are made up of temperature sensor and corresponding interface circuit respectively, finish detection to boiler internal coolant-temperature gage, boiler leaving water temperature and cistern water temperature, the detection to the cistern water level is finished in cistern water level detecting unit, and testing result is sent into microcontroller; Water inlet device drives unit is made up of magnetic valve or water pump control circuit (as relay tip control etc.), accepts the switching value signal of microcontroller output, finishes magnetic valve or starting mode of pump and the control that stops; Display unit is connected by data wire with microcontroller, and display screen adopts charactron or LCD LCD, finishes the demonstration to boiler water temperature, leaving water temperature, cistern temperature, cistern water level and device duty; The audible alarm unit comprises audible alarm device (as buzzer, loudspeaker etc.) and peripheral circuit thereof, the audible alarm under finishing device design temperature, water level parameter and the various state; The control button unit comprises device startup/stop button and circuit thereof, finishes the start and stop of boiler water temperature control device; The blower fan control module imposes a condition according to microcontroller, and the switching value signal of accepting microcontroller output is controlled the start and stop of blower fan; Power subsystem is respectively with microcontroller, water inlet device drives unit, display unit, alarm unit, cistern water level detecting unit is connected with the blower fan control module and provide required different voltage dcs source, each unit for it provides the alternating current 220V working power to reach by rectification, voltage stabilizing; Microcontroller adopts the single-chip microcomputer of band A/D translation function, as MCS-51, PIC series etc., exploitation and built-in boiler water temperature control electronic program and cistern temperature control program, microcontroller reads the cistern temperature detecting unit and detects the interior water temperature of cistern of input and the stove coolant-temperature gage that stove coolant-temperature gage detecting unit detects input, the supply water temperature that while is set according to the user, at first through the computing of cistern temperature control program, determine the fixed temperature of giving of boiler water temperature control electronic program, secondly by the stove coolant-temperature gage with compare to fixed temperature, output starts or stops the boiler feed water device signal to water inlet device drives unit, is finished the startup of boiler feed water equipment and the control of dwell time by water inlet device drives unit; Display unit is finished the demonstration to boiler water temperature, leaving water temperature, cistern temperature and device duty etc.
The temperature sensor of stove coolant-temperature gage detecting unit should be installed in and detect water temperature in the stove in the boiler, the variation of water temperature during the heating of reaction stove fire, and as far as possible near delivery port.
The leaving water temperature sensor of boiler leaving water temperature detecting unit is located at outlet pipeline and carries out the leaving water temperature detection, can compensate owing to reason is installed and cause actual leaving water temperature and the unequal departure that causes of stove coolant-temperature gage, when inserting the leaving water temperature sensor, the supply equipment of boiler water temperature control constant temperature program stops decision procedure and adopts the accounting temperature of leaving water temperature as mean temperature automatically.
The utility model has effectively compensated the departure that causes because of reasons such as current inequality and transducer sensitivities by adding the cistern temperature detecting unit.
The utility model is by adding the blower fan control module, and cistern water level detecting unit and audible alarm device make product have more intellectuality.
In Fig. 3 boiler water temperature control flow of the present utility model block diagram:
Microcontroller powers on, after boiler water temperature control electronic program brings into operation, in each cycle of operation of control program, microcontroller reads the stove coolant-temperature gage that stove coolant-temperature gage detecting unit detects input, carry out becoming data signal after A/D (the Analog/Digital Converter analog-to-digital conversion) conversion, read simultaneously to fixed temperature (user's design temperature or cistern temperature control program result of calculation), carrying out logic then judges, if being water temperature, the variation tendency of boiler water temperature raises, when the stove coolant-temperature gage is higher than to fixed temperature, output starts the boiler feed water device signal, and reset temperature add up variable S and accumulative frequency variable N.After this then regularly read stove coolant-temperature gage or leaving water temperature (when inserting the leaving water temperature sensor) and add the temperature variable S that adds up, time number variable N adds 1 simultaneously, calculate mean temperature S/N, if when the equal temperature of stove level since the water inlet device start is lower than to fixed temperature, output stops the boiler feed water device signal, thereby finishes the constant-temperature effluent process one time.
In the cistern temperature control flow block diagram of Fig. 4 the utility model embodiment:
Press the lower device start button, microcontroller powers on, operation cistern temperature control program, at first import the user and set supply water temperature, after this in each cycle of operation of control program, microcontroller regularly reads the temperature value of cistern temperature detecting unit input, carries out becoming data signal after the A/D conversion, then according to formula:
Give fixed temperature=user's design temperature+(user's design temperature-cistern temperature) * proportionality coefficient
Perform mathematical calculations, operation result is as the given temperature value in the boiler water temperature control electronic program, so circular flow, continuous variation according to the cistern temperature, the given temperature value of output also constantly changes, proportionality coefficient in the operational formula can improve the control effect, rule of thumb suitable value about 1.0.
The utility model has been given up the method for traditional employing electric control valve or Frequency Converter Control boiler water temperature, utilized bathing pool all to have shower pond and the little characteristics of novel energy-conserving boiler inner storing water amount, by controlling the water outlet that boiler output temperature fluctuates at the design temperature point, but the method for output thermostatted water after cistern mixes, finally reach the constant of shower water or other industrial water temperature, can be widely used in the temperature control of bathing pool water or other industrial water.
Claims (9)
1. boiler water temperature control device, the microcontroller that comprises stove coolant-temperature gage detecting unit, water inlet device drives unit, power subsystem and embedded boiler water temperature control program, described stove coolant-temperature gage detecting unit, water inlet device drives unit are connected by circuit with microcontroller respectively, power subsystem is connected with microcontroller with water inlet device drives unit respectively and is its power supply, and the embedded control program of microcontroller is by detecting the startup and the dwell time of stove coolant-temperature gage and internal arithmetic control boiler feed water equipment.
2. boiler water temperature control device according to claim 1 is characterized in that: described stove coolant-temperature gage detecting unit is a boiler internal coolant-temperature gage testing circuit.
3. boiler water temperature control device according to claim 1 and 2 is characterized in that: also comprise the display unit, audible alarm unit and the control button unit that are connected with microcontroller.
4. boiler water temperature control device according to claim 1 and 2 is characterized in that: also comprise the boiler leaving water temperature detecting unit that is connected with microcontroller.
5. boiler water temperature control device according to claim 1 and 2, it is characterized in that: also comprise the cistern temperature detecting unit that is connected with microcontroller and the cistern temperature control program in the microcontroller, the operation result of cistern temperature control program is as the fixed temperature of giving in the boiler water temperature control program.
6. boiler water temperature control device according to claim 1 and 2 is characterized in that: also comprise the blower fan control module and the cistern water level detecting unit that are connected with microcontroller.
7. boiler water temperature control device according to claim 5 is characterized in that: also comprise the blower fan control module and the cistern water level detecting unit that are connected with microcontroller.
8. boiler water temperature control device according to claim 3, it is characterized in that: also comprise the cistern temperature detecting unit that is connected with microcontroller and the cistern temperature control program in the microcontroller, the operation result of cistern temperature control program is as the fixed temperature of giving in the boiler water temperature control program.
9. boiler water temperature control device according to claim 4, it is characterized in that: also comprise the cistern temperature detecting unit that is connected with microcontroller and the cistern temperature control program in the microcontroller, the operation result of cistern temperature control program is as the fixed temperature of giving in the boiler water temperature control program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200177929U CN201014770Y (en) | 2007-01-26 | 2007-01-26 | Boiler water temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200177929U CN201014770Y (en) | 2007-01-26 | 2007-01-26 | Boiler water temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201014770Y true CN201014770Y (en) | 2008-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200177929U Expired - Fee Related CN201014770Y (en) | 2007-01-26 | 2007-01-26 | Boiler water temperature controller |
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| CN (1) | CN201014770Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651417A (en) * | 2016-03-23 | 2016-06-08 | 上海斐讯数据通信技术有限公司 | Temperature real-time monitoring device, system and method based on distributed optical fiber |
| CN106227144A (en) * | 2016-08-29 | 2016-12-14 | 宁波格林美孚新材料科技有限公司 | A kind of low-voltage high-temperature steaming device control system |
| CN106594700A (en) * | 2016-12-27 | 2017-04-26 | 重庆智神科技有限公司 | Boiler control system |
| WO2017173598A1 (en) * | 2016-04-06 | 2017-10-12 | 吴鹏 | Method and system for controlling temperature of water in boiler |
-
2007
- 2007-01-26 CN CNU2007200177929U patent/CN201014770Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651417A (en) * | 2016-03-23 | 2016-06-08 | 上海斐讯数据通信技术有限公司 | Temperature real-time monitoring device, system and method based on distributed optical fiber |
| CN105651417B (en) * | 2016-03-23 | 2018-05-18 | 上海斐讯数据通信技术有限公司 | A kind of temperature real-time monitoring equipment, system and method based on distribution type fiber-optic |
| WO2017173598A1 (en) * | 2016-04-06 | 2017-10-12 | 吴鹏 | Method and system for controlling temperature of water in boiler |
| CN106227144A (en) * | 2016-08-29 | 2016-12-14 | 宁波格林美孚新材料科技有限公司 | A kind of low-voltage high-temperature steaming device control system |
| CN106227144B (en) * | 2016-08-29 | 2020-01-10 | 宁波波力维革环保设备科技有限公司 | Low-pressure high-temperature steam device control system |
| CN106594700A (en) * | 2016-12-27 | 2017-04-26 | 重庆智神科技有限公司 | Boiler control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080130 Termination date: 20100126 |