CN105371502A - Gas water heater and fan linkage device - Google Patents
Gas water heater and fan linkage device Download PDFInfo
- Publication number
- CN105371502A CN105371502A CN201510907680.XA CN201510907680A CN105371502A CN 105371502 A CN105371502 A CN 105371502A CN 201510907680 A CN201510907680 A CN 201510907680A CN 105371502 A CN105371502 A CN 105371502A
- Authority
- CN
- China
- Prior art keywords
- resistance
- gas water
- operational amplifier
- fan
- water heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention discloses a gas water heater and fan linkage device. The gas water heater and fan linkage device is characterized by comprising a 220 V alternating current power supply, a 12 V half-wave rectification voltage stabilizing power supply, a thermistor voltage dividing and voltage comparing circuit and a two-way controllable silicon driving fan circuit, wherein the model number of an operational amplifier IC1 in the thermistor voltage dividing and voltage comparing circuit is LM358. Most families are provided with gas water heaters at present; due to the limit of family conditions, exhaust fans are needed to be mounted indoors; and if the exhaust fans are forgotten to be opened in use of gas water heaters for a longer time, the oxygen shortage can be generated indoors. The gas water heater and fan linkage device can automatically open a fan for exhausting waste gas while opening a gas water heater, so that potential safety hazards can be effectively eliminated. The gas water heater and fan linkage device can transform a direct-exhaust gas water heater to a strong-exhaust gas water heater.
Description
Technical field
The invention belongs to electronic technology and combustion gas applied technical field, is about a kind of gas heater and fan linkage device.
Background technology
For ensuring personal safety and health, country has ordered and has forbidden production and selling direct exhausting type gas water-heater (can be used for the occasions such as non-bathing).Due to such gas heater owning amount comparatively large (according to incompletely statistics nearly more than 3,000 ten thousand) at home, all eliminate unrealistic at short notice, also can cause very large waste even if eliminate.
In addition, also have now many families to be all provided with gas heater, due to the restriction of domestic conditions, exhaust fan needs to be arranged on indoor, if forget when using gas heater and open exhaust fan, the time is slightly long anoxic will occur in indoor.Gas heater of the present invention and fan linkage device, while owner opens gas heater, can automatically open blower fan exhausting waste gas, can effectively eliminate potential potential safety hazard.For make full use of wherein quality newer or the direct exhausting type gas water-heater that still has use value.Gas heater of the present invention and fan linkage device, also can be adapted as forced-ventilated gas water heater by direct exhausting type gas water-heater.
Gas heater of the present invention and fan linkage device use bidirectional triode thyristor as the power drive element of blower fan, and be aided with a small amount of common components and parts achieve gas heater and fan linkage device circuit structure is simple, dependable performance, cheap requirement.
Below describe gas heater of the present invention and fan linkage device involved necessary, guardian technique content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: also have now many families all gas heater to be installed, due to the restriction of domestic conditions, exhaust fan needs to be arranged on indoor, if forget open exhaust fan when using gas heater, the time is slightly long anoxic will occur in indoor.Gas heater of the present invention and fan linkage device, while owner opens gas heater, can automatically open blower fan exhausting waste gas, can effectively eliminate potential potential safety hazard.For make full use of wherein quality newer or the direct exhausting type gas water-heater that still has use value.Gas heater of the present invention and fan linkage device, also can be adapted as forced-ventilated gas water heater by direct exhausting type gas water-heater.The present invention uses bidirectional triode thyristor as the power drive element of blower fan, and be aided with that a small amount of common components and parts achieve that gas heater and fan linkage device circuit structure are simple, dependable performance, cheap requirement.
Circuit working principle: burning gas water-heater and fan linkage equipment by 220V AC power through decompression capacitor C2, bleeder resistance R6 step-down current limliting, through silicon rectifier diode D1 halfwave rectifier, Zener diode DW voltage stabilizing, and electric capacity C1 filtering obtains 12V stable DC voltage after filtering.
When gas heater does not work at ordinary times, because the resistance of thermistor Rt is less, the voltage comparator in operational amplifier IC1 the 3rd pin in-phase input end is made to show as low level, and its anti-phase 2nd pin input is mid-point voltage, its the 1st pin output is low level, bidirectional triode thyristor BCR ends because of triggerless, makes blower fan FEN be in holding state without electricity.
When using gas heater, thermistor Rt heated resistance becomes large, the 3rd pin in-phase input end voltage rise in operational amplifier IC1, that is: in-phase input end voltage is greater than the mid-point voltage of inverting input the 2nd pin, duty is just in time contrary with said process, that is: make the 1st pin of operational amplifier IC1 export as high level, thus make blower fan FEN obtain electric starting working.
Technical characteristic: gas heater and fan linkage device, it comprises 220V AC power, 12V halfwave rectifier voltage-stabilized power supply, thermistor dividing potential drop and voltage comparator circuit, bidirectional triode thyristor drives fan circuit, it is characterized in that:
Thermistor dividing potential drop and voltage comparator circuit: it is by resistance R1, thermistor Rt, resistance R2, resistance R3, resistance R4 and operational amplifier IC1 forms, the model that operational amplifier IC1 selects is LM358, 3rd pin of one end of thermistor Rt and a termination operational amplifier IC1 of resistance R1, the other end connection circuit ground GND of thermistor Rt, the other end connection circuit positive pole VCC of resistance R1, one end of the 2nd pin connecting resistance R2 of operational amplifier IC1 and one end of resistance R3, the other end connection circuit positive pole VCC of resistance R2, the other end connection circuit ground GND of resistance R3, the 8th pin connection circuit positive pole VCC of operational amplifier IC1, the 4th pin connection circuit ground GND of operational amplifier IC1, 1st pin of operational amplifier IC1 is by resistance R4 connection circuit ground GND,
Bidirectional triode thyristor drives fan circuit: it is made up of resistance R5, bidirectional triode thyristor BCR, blower fan FEN, 1st pin of operational amplifier IC1 meets the control pole G of bidirectional triode thyristor BCR by resistance R5, the first anode T1 connection circuit ground GND of bidirectional triode thyristor BCR, the second plate T2 of bidirectional triode thyristor BCR gives a dinner for a visitor from afar one end of machine FEN, the live wire end L of another termination 220V AC power of blower fan FEN;
12V halfwave rectifier voltage-stabilized power supply: it is by decompression capacitor C2, bleeder resistance R6 and silicon rectifier diode D1, silicon voltage regulator diode DW, electrochemical capacitor C1 forms, the technical parameter of silicon voltage regulator diode DW is 12V, the live wire end L of 220V AC power connects one end of decompression capacitor C2 and one end of bleeder resistance R6, the positive pole of the other end of decompression capacitor C2 and another termination silicon rectifier diode D1 of bleeder resistance R6, the negative pole of silicon rectifier diode D1 connects the negative pole of silicon voltage regulator diode DW and the positive pole of electrochemical capacitor C1, the positive pole of silicon voltage regulator diode DW and the negative pole connection circuit ground GND of electrochemical capacitor C1,
The positive pole of 12V halfwave rectifier voltage-stabilized power supply is connected with circuit anode VCC, and the negative pole of 12V halfwave rectifier voltage-stabilized power supply is connected with the zero line side N of circuit ground GND and 220V AC power.
Accompanying drawing explanation
Accompanying drawing 1 is the circuit working schematic diagram of gas heater provided by the invention and a fan linkage device embodiment.
Detailed description of the invention
According to the gas heater shown in accompanying drawing 1 and fan linkage device circuit working schematic diagram and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement thereof
IC1 is operational amplifier, and the model selected is LM358, and it is plastic packaging DIP dual-in-line;
D1 is silicon rectifier diode, and the model selected is 1N4007;
DW is silicon voltage regulator diode, and the technical parameter of use is 12V, power is 1W;
Rl ~ R5 resistance adopts 1/8W metalfilmresistor, and its resistance is respectively 12K Ω, 82K Ω, 82K Ω, 2.2K Ω, 8.2K Ω; The resistance of bleeder resistance R6 is 620K Ω, power is 1W;
C1 is the model C D11-10 of electrochemical capacitor, use, and its capacity is 1000 μ/25V; The capacity of decompression capacitor C2 is 0.56 μ F/450V electric capacity of the dacron;
Rt is thermistor, uses the thermistor that resistance is 8.2K Ω positive temperature coefficient;
BCR is bidirectional triode thyristor, and the technical parameter of use is 5A, 450V;
FEN is blower fan, the power≤100W/220V of recommendation blower fan.
Circuit production main points, circuit debugging and using method
Because the circuit structure of gas heater and fan linkage device is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention only needs to debug simply and can normally work;
First weak current part circuit debugging is carried out with 12V D.C. regulated power supply, use heat gun thermistor Rt, the high and low level of 1st pin output of operational amplifier IC1 is reliably changed, after treating that weak current part circuit working is normal, then use 220V AC power instead circuit debugging is carried out to strong power part.
Electronic devices and components and circuit are all loaded plastic casing, then connects thermistor Rt with wire, blast pipe thermistor Rt being tightly attached to gas heater is fixed, thermistor Rt be paid special attention to must use wrapped with insulation;
Install and connect blower fan FEN, this device connects 220V AC power, and open gas heater, at this moment exhaust blower FEN should start run-in synchronism;
Thermistor Rt should be placed in the position that blast pipe external temperature is relatively given prominence to, if blower fan FEN does not work, first should check that whether thermistor Rt is intact, the resistance of now thermistor Rt is measured and then with universal meter, the resistance of suitable minimizing resistance R1 makes blower fan FEN normally work, and circuit debugging completes.
Forced exhaust gas heater should not be used when having a power failure, because after having a power failure, being used for the blower fan of pump drainage gas heater exhaust gases after combustion can not work, the waste gas causing fuel gas buring to produce cannot be discharged to outdoor, be easy to cause the indoor anoxic of fuel gas buring incomplete sum, the poisoning serious accident of personnel can occur time serious.
Circuit structure design of the present invention, components' placement; and its face shaping design and size etc. thereof are not all key technologies of the present invention; neither application claims protection guardian technique content; because not affecting the realization of specific implementation process of the present invention and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. gas heater and a fan linkage device, it comprises 220V AC power, 12V halfwave rectifier voltage-stabilized power supply, thermistor dividing potential drop and voltage comparator circuit, bidirectional triode thyristor drives fan circuit, it is characterized in that:
Described thermistor dividing potential drop and voltage comparator circuit are by resistance R1, thermistor Rt, resistance R2, resistance R3, resistance R4 and operational amplifier IC1 forms, the model that operational amplifier IC1 selects is LM358, 3rd pin of one end of thermistor Rt and a termination operational amplifier IC1 of resistance R1, the other end connection circuit ground GND of thermistor Rt, the other end connection circuit positive pole VCC of resistance R1, one end of the 2nd pin connecting resistance R2 of operational amplifier IC1 and one end of resistance R3, the other end connection circuit positive pole VCC of resistance R2, the other end connection circuit ground GND of resistance R3, the 8th pin connection circuit positive pole VCC of operational amplifier IC1, the 4th pin connection circuit ground GND of operational amplifier IC1, 1st pin of operational amplifier IC1 is by resistance R4 connection circuit ground GND,
Described bidirectional triode thyristor drives fan circuit to be made up of resistance R5, bidirectional triode thyristor BCR, blower fan FEN, 1st pin of operational amplifier IC1 meets the control pole G of bidirectional triode thyristor BCR by resistance R5, the first anode T1 connection circuit ground GND of bidirectional triode thyristor BCR, the second plate T2 of bidirectional triode thyristor BCR gives a dinner for a visitor from afar one end of machine FEN, the live wire end L of another termination 220V AC power of blower fan FEN;
Described 12V halfwave rectifier voltage-stabilized power supply is by decompression capacitor C2, bleeder resistance R6 and silicon rectifier diode D1, silicon voltage regulator diode DW, electrochemical capacitor C1 forms, the technical parameter of silicon voltage regulator diode DW is 12V, the live wire end L of 220V AC power connects one end of decompression capacitor C2 and one end of bleeder resistance R6, the positive pole of the other end of decompression capacitor C2 and another termination silicon rectifier diode D1 of bleeder resistance R6, the negative pole of silicon rectifier diode D1 connects the negative pole of silicon voltage regulator diode DW and the positive pole of electrochemical capacitor C1, the positive pole of silicon voltage regulator diode DW and the negative pole connection circuit ground GND of electrochemical capacitor C1,
The positive pole of described 12V halfwave rectifier voltage-stabilized power supply is connected with circuit anode VCC, and the negative pole of 12V halfwave rectifier voltage-stabilized power supply is connected with the zero line side N of circuit ground GND and 220V AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907680.XA CN105371502A (en) | 2015-12-07 | 2015-12-07 | Gas water heater and fan linkage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510907680.XA CN105371502A (en) | 2015-12-07 | 2015-12-07 | Gas water heater and fan linkage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105371502A true CN105371502A (en) | 2016-03-02 |
Family
ID=55373928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510907680.XA Pending CN105371502A (en) | 2015-12-07 | 2015-12-07 | Gas water heater and fan linkage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105371502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189230A (en) * | 2018-11-15 | 2020-05-22 | 青岛经济技术开发区海尔热水器有限公司 | Automatic control method of gas water heater and gas water heater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308850Y (en) * | 1997-09-22 | 1999-02-24 | 赣州市煤气公司 | Automatic controlling and interlocking device of household gas water heater and forced exhauster |
| CN2356274Y (en) * | 1998-12-03 | 1999-12-29 | 李强 | Automatic ventilation controller for gas water heater |
| JP2000329403A (en) * | 1999-05-19 | 2000-11-30 | Matsushita Electric Ind Co Ltd | Hot/cold water supply device |
| CN201145840Y (en) * | 2008-01-15 | 2008-11-05 | 佛山市顺德区携创电机制造有限公司 | Apparatus for linkage of gas water heater and ventilating fan |
| CN202690495U (en) * | 2012-07-16 | 2013-01-23 | 刘昭利 | Speed-regulating time-delay air exchange fan |
| CN205279465U (en) * | 2015-12-07 | 2016-06-01 | 周玉林 | Gas heater and fan aggregate unit |
-
2015
- 2015-12-07 CN CN201510907680.XA patent/CN105371502A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2308850Y (en) * | 1997-09-22 | 1999-02-24 | 赣州市煤气公司 | Automatic controlling and interlocking device of household gas water heater and forced exhauster |
| CN2356274Y (en) * | 1998-12-03 | 1999-12-29 | 李强 | Automatic ventilation controller for gas water heater |
| JP2000329403A (en) * | 1999-05-19 | 2000-11-30 | Matsushita Electric Ind Co Ltd | Hot/cold water supply device |
| CN201145840Y (en) * | 2008-01-15 | 2008-11-05 | 佛山市顺德区携创电机制造有限公司 | Apparatus for linkage of gas water heater and ventilating fan |
| CN202690495U (en) * | 2012-07-16 | 2013-01-23 | 刘昭利 | Speed-regulating time-delay air exchange fan |
| CN205279465U (en) * | 2015-12-07 | 2016-06-01 | 周玉林 | Gas heater and fan aggregate unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189230A (en) * | 2018-11-15 | 2020-05-22 | 青岛经济技术开发区海尔热水器有限公司 | Automatic control method of gas water heater and gas water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109405268A (en) | Gas water heater and control method | |
| CN204190353U (en) | A kind of household electrical appliance automatic overvoltage power off device | |
| CN105371502A (en) | Gas water heater and fan linkage device | |
| CN205279465U (en) | Gas heater and fan aggregate unit | |
| WO2019024691A1 (en) | Protection circuit and air conditioner | |
| CN105351238A (en) | Gas water heater and exhaust fan synchronous-working device | |
| CN203404984U (en) | Water heater controller of heat pump | |
| CN209245436U (en) | The control device of automatic self-closing gas supply valve when a kind of wall-hung boiler failure | |
| CN111442519A (en) | Built-in pump electric water heater | |
| CN206594550U (en) | The temperature-detecting device of comprehensive distribution box | |
| CN205315326U (en) | Direct vent gas heater and synchronous ware of air discharge fan | |
| CN205303243U (en) | Direct vent gas heater and air discharge fan aggregate unit | |
| CN212033763U (en) | Triple protection device of power input | |
| CN105370611A (en) | Gas water heater and exhaust fan linkage device | |
| CN105428120A (en) | Direct-discharging type gas water heater and exhaust fan linkage apparatus | |
| CN205277889U (en) | Gas heater and synchronous equipment of air discharge fan | |
| CN209044398U (en) | A kind of modular circuit applied to thermostat heating | |
| CN209017861U (en) | A kind of dryer | |
| CN105351239A (en) | Direct-discharging gas water heater and exhaust fan synchronizer | |
| CN207652026U (en) | A kind of protective device of water pump idling automatic stopping | |
| CN205277888U (en) | Gas heater and air discharge fan aggregate unit | |
| CN207879647U (en) | A kind of permanent air quantity blower fan applied to wall-hung boiler | |
| CN206556203U (en) | Ice-storage air-conditioning control system | |
| CN207557419U (en) | A kind of circuit of driving condition monitoring improper to gas electromagnetic valve | |
| CN210221346U (en) | Control circuit of heat pump water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160302 |