CN205176683U - Gas heater temperature automatic control device - Google Patents
Gas heater temperature automatic control device Download PDFInfo
- Publication number
- CN205176683U CN205176683U CN201520970317.8U CN201520970317U CN205176683U CN 205176683 U CN205176683 U CN 205176683U CN 201520970317 U CN201520970317 U CN 201520970317U CN 205176683 U CN205176683 U CN 205176683U
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- gas heater
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Abstract
The utility model discloses a gas heater temperature automatic control device, including power supply circuit, temperature detect circuit, amplifier circuit, temperature display circuit and temperature -control circuit, power supply circuit and temperature detect circuit connection, the output while of temperature detect circuit and amplifier circuit's input and temperature display circuit connection, amplifier circuit's output and temperature -control circuit are connected, and temperature -control circuit is connected with the temperature detect 5 end of water heater. Compared with the prior art, the utility model discloses a power supply circuit power supply, the hot water temperature of water heater is surveyed to the temperature detect circuit, first potentiometre settlement needs the temperature, through amplifier circuit with signal and voltage amplification, its temperature is crossed when hanging down, the amplifier output current switch on the triode, therefore, trigger the operation of tolerance governing valve, thereby control the big or small tolerance governing valve of firepower and control the size of firepower, the tolerance governing valve is installed between the gas pipe of water heater, control is adjusted conveniently, and has popularization and application values.
Description
Technical field
The utility model relates to a kind of water heater control circuit, particularly relates to a kind of gas heater automatic temperature control.
Background technology
Gas heater is also known as gas water-heating furnace, and it refers to using combustion gas as fuel, to be delivered to by heat in the cold water flowing through heat exchanger by combustion heating mode to reach a kind of gas appliance of the object preparing hot water.But water heater of the prior art is manual or Electronic control firepower mostly, like this, to controlling firepower and hydraulic pressure, when hydraulic pressure changes, then temperature can change thereupon, therefore, controls inconvenient, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of gas heater automatic temperature control to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises power circuit, temperature detection circuit, amplifying circuit, temperature display circuit and temperature-control circuit, described power circuit is connected with described temperature detection circuit, the output terminal of described temperature detection circuit is connected with the input end of described amplifying circuit and described temperature display circuit simultaneously, the output terminal of described amplifying circuit is connected with described temperature-control circuit, and described temperature-control circuit is connected with the firepower control end of water heater.
Particularly, described power electric routing transformer, the first resistance, the second resistance, the first diode and the second diode composition; Described temperature detection circuit is made up of thermistor, the first potentiometer and rectifier; Described amplifying circuit is made up of to the 6th resistance and amplifier the first electric capacity, the second electric capacity, the 4th resistance; Described temperature display circuit is made up of the 3rd resistance and milliammeter; Described temperature-control circuit is made up of the 3rd diode, the 4th diode, the second potentiometer, triode and electronic air volume regulating valve.
The beneficial effects of the utility model are:
The utility model is a kind of gas heater automatic temperature control, compared with prior art, the utility model is powered by power circuit, the hot water water temperature of temperature detection circuit detection water heater, first potentiometer setting needs temperature, by amplifying circuit by signal and voltage amplification, time its temperature is too low, amplifier output current is by triode ON, thus, trigger gas adjustable valve operates, thus control the size air volume regulating valve of firepower and control the size of firepower, air volume regulating valve is installed between the Gas Pipe of water heater, regulating and controlling is convenient, there is the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
In figure: 1-power circuit, 2-temperature detection circuit, 3-amplifying circuit, 4-temperature display circuit, 5-temperature-control circuit.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises power circuit 1, temperature detection circuit 2, amplifying circuit 3, temperature display circuit 4 and temperature-control circuit 5, power circuit 1 is connected with temperature detection circuit 2, the output terminal of temperature detection circuit 2 is connected with the input end of amplifying circuit 3 and temperature display circuit 4 simultaneously, the output terminal of amplifying circuit 3 is connected with temperature-control circuit 5, and temperature-control circuit 5 is connected with the firepower control end of water heater (not shown).
Particularly, power circuit 1 is made up of transformer T, the first resistance R1, the second resistance R2, the first diode D1 and the second diode D2; Temperature detection circuit 2 is made up of thermistor RS, the first potentiometer RP1 and rectifier DR; Amplifying circuit 3 is made up of to the 6th resistance R6 and amplifier IC the first electric capacity C1, the second electric capacity C2, the 4th resistance R4; Temperature display circuit 4 is made up of the 3rd resistance R3 and milliammeter A; Temperature-control circuit 5 is made up of the 3rd diode D3, the 4th diode D4, the second potentiometer RP2, triode VT and electronic air volume regulating valve M.
When the utility model uses, powered by power circuit, temperature detection circuit 2 detects the hot water water temperature of water heater, and the first potentiometer RP1 setting needs temperature, by amplifying circuit 3 by signal and voltage amplification, time its temperature is too low, amplifier IC output current is by triode VT conducting, thus trigger gas adjustable valve M operates, thus control the size air volume regulating valve M of firepower and control the size of firepower, air volume regulating valve M is installed between the Gas Pipe of water heater.
Component parameter of the present utility model is selected as follows:
First resistance R1 is 100 Ω, the second resistance R2 is 400 Ω, the 3rd resistance R3 is 500 Ω, the 4th resistance R4 is 2k Ω, the 5th resistance R5 is 27k Ω, the 6th resistance R6 is 200 Ω, the first electric capacity C1 is 300uf, the second electric capacity C2 is 470uf, the first diode D1 to the 4th diode D4 is positive-negative-positive diode, amplifier IC model is LM341, transformer T is 6V.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a gas heater automatic temperature control, it is characterized in that: comprise power circuit, temperature detection circuit, amplifying circuit, temperature display circuit and temperature-control circuit, described power circuit is connected with described temperature detection circuit, the output terminal of described temperature detection circuit is connected with the input end of described amplifying circuit and described temperature display circuit simultaneously, the output terminal of described amplifying circuit is connected with described temperature-control circuit, and described temperature-control circuit is connected with the firepower control end of water heater.
2. gas heater automatic temperature control according to claim 1, is characterized in that: described power electric routing transformer, the first resistance, the second resistance, the first diode and the second diode form.
3. gas heater automatic temperature control according to claim 1, is characterized in that: described temperature detection circuit is made up of thermistor, the first potentiometer and rectifier.
4. gas heater automatic temperature control according to claim 1, is characterized in that: described amplifying circuit is made up of to the 6th resistance and amplifier the first electric capacity, the second electric capacity, the 4th resistance.
5. gas heater automatic temperature control according to claim 1, is characterized in that: described temperature display circuit is made up of the 3rd resistance and milliammeter.
6. gas heater automatic temperature control according to claim 1, is characterized in that: described temperature-control circuit is made up of the 3rd diode, the 4th diode, the second potentiometer, triode and electronic air volume regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970317.8U CN205176683U (en) | 2015-12-01 | 2015-12-01 | Gas heater temperature automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520970317.8U CN205176683U (en) | 2015-12-01 | 2015-12-01 | Gas heater temperature automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205176683U true CN205176683U (en) | 2016-04-20 |
Family
ID=55740657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520970317.8U Active CN205176683U (en) | 2015-12-01 | 2015-12-01 | Gas heater temperature automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205176683U (en) |
-
2015
- 2015-12-01 CN CN201520970317.8U patent/CN205176683U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |