CN201434485Y - Fuel gas water heater with low fuel gas pressure prompt - Google Patents
Fuel gas water heater with low fuel gas pressure prompt Download PDFInfo
- Publication number
- CN201434485Y CN201434485Y CN2009200577278U CN200920057727U CN201434485Y CN 201434485 Y CN201434485 Y CN 201434485Y CN 2009200577278 U CN2009200577278 U CN 2009200577278U CN 200920057727 U CN200920057727 U CN 200920057727U CN 201434485 Y CN201434485 Y CN 201434485Y
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- magnetic valve
- gas
- low
- pressure switch
- fuel gas
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Abstract
The utility model relates to a fuel gas water heater with low fuel gas pressure prompt, comprising a first electromagnetic valve, a second electromagnetic valve, a controller and a fuel gas inlet pipe, wherein the first electromagnetic valve is provided with a first electromagnetic valve gas inlet and a first electromagnetic valve gas outlet; the second electromagnetic valve is provided with a second electromagnetic gas inlet; the fuel gas inlet pipe is communicated with the first electromagnetic valve gas inlet; the first electromagnetic valve gas outlet is communicated with the second electromagnetic valve gas inlet; and the controller is electrically connected with the first electromagnetic valve and the second electromagnetic valve. The fuel gas water heater is mainly technically characterized by also comprising a low fuel gas pressure signal processing circuit, a pressure switch and a low-pressure signal prompting device, wherein a sampling end of the pressure switch is communicated with a pipeline between the fuel gas inlet pipe and the second electromagnetic valve gas inlet; and the low fuel gas pressure signal processing circuit is electrically connected with the pressure switch, the low-pressure signal prompting device and the controller. The utility model has the characteristics of effectively stopping gas supply when the fuel gas pressure is lower than the specifiedminimum value in the national standard, sending out prompting signals simultaneously, and the like.
Description
Technical field:
The utility model relates to a kind of gas heater with the prompting of low gas pressure power.
Background technology:
In the prior art, when gaseous-pressure is lower than the minimum of stipulating in the national standard, the phenomenon of a little catching fire even misfiring can appear being difficult in gas heater, bring inconvenience for user's use, can not stop air feed when causing its minimum that exists gaseous-pressure to be lower than to stipulate in the national standard and not have defective such as any prompting.For overcoming these defectives, the gas heater of band low gas pressure power prompting is developed.
Summary of the invention:
Technical problem to be solved in the utility model is that a kind of gas heater with the prompting of low gas pressure power will be provided, and it can stop air feed effectively when gaseous-pressure is lower than the minimum of stipulating in the national standard, send cue simultaneously.
The technical scheme that its technical problem that solves the utility model adopts is: it comprises first magnetic valve, second magnetic valve, controller, advance Gas Pipe, first magnetic valve is provided with the first magnetic valve air inlet and the first magnetic valve gas outlet, second magnetic valve is provided with the second magnetic valve air inlet, advancing Gas Pipe is communicated with the first magnetic valve air inlet, the first magnetic valve gas outlet is communicated with the second magnetic valve air inlet, the controller and first magnetic valve, second magnetic valve electrically connects, it also comprises low gas pressure force signal treatment circuit, pressure switch, the low-voltage signal prompting device, the sampling end of described pressure switch and advance Gas Pipe and the second magnetic valve air inlet between pipeline connection, described low gas pressure force signal treatment circuit and pressure switch, the low-voltage signal prompting device, controller electrically connects.
Described pressure switch is a pressure switch open in usual.
Described pressure switch is the normally closed type pressure switch.
The sampling end of described pressure switch and advance Gas Pipe and the first magnetic valve air inlet between pipeline connection.
Pipeline connection between the sampling end of described pressure switch and the first magnetic valve gas outlet and the second magnetic valve air inlet.
Described low-voltage signal prompting device is a buzzer.
Described low-voltage signal prompting device is a liquid crystal display.
Described low-voltage signal prompting device is a charactron.
Described low-voltage signal prompting device is a light emitting diode.
The utility model is compared the beneficial effect that is produced with background technology:
1, because the utility model adopts low gas pressure force signal treatment circuit, pressure switch, the low-voltage signal prompting device, the sampling end of described pressure switch and advance Gas Pipe and the second magnetic valve air inlet between pipeline connection, described low gas pressure force signal treatment circuit and pressure switch, the low-voltage signal prompting device, the structure that controller electrically connects, when the gaseous-pressure in the pipeline that advances between the Gas Pipe and the second magnetic valve air inlet during less than the operating pressure of pressure switch, pressure switch produces action, low gas pressure force signal treatment circuit passes to controller with the actuating signal of pressure switch, first magnetic valve controlled by controller or the outage of second magnetic valve is closed to cut off the gas supply of gas heater, low gas pressure force signal processing circuit controls low-voltage signal prompting device sends prompting simultaneously, so it can stop air feed effectively when gaseous-pressure is lower than the minimum of stipulating in the national standard, send cue simultaneously.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
Fig. 3 is circuit connection box figure of the present utility model.
The specific embodiment:
Embodiment one, shown in accompanying drawing 1, accompanying drawing 3, present embodiment comprises shell 1, first magnetic valve 2, second magnetic valve 3, burner 4, heat exchanger 5, exhaust fume collecting hood 6, smoke exhaust pipe 7, blower fan 8, controller 9, pulse igniter 10, blast switch 11, Switching Power Supply 12, low gas pressure force signal treatment circuit 13, pressure switch 14, low-voltage signal prompting device 15, advances Gas Pipe 16.First magnetic valve 2 is provided with the first magnetic valve air inlet 18 and the first magnetic valve gas outlet 19, second magnetic valve 3 is provided with the second magnetic valve air inlet 20, advance Gas Pipe 16 and be communicated with the first magnetic valve air inlet 18, the first magnetic valve gas outlet 19 is communicated with the second magnetic valve air inlet 20.
Use the difference of gas kind according to gas heater, can select the pressure switch 14 of different operating pressures for use, as when using artificial gas, natural gas, liquefied gas, the operating pressure of pressure switch 14 can be respectively 500MPa, 1000MPa, 2000MPa, pressure switch 14 can adopt pressure switch open in usual or normally closed type pressure switch, low-voltage signal prompting device 15 can be pronunciation components such as buzzer, or display element such as light emitting diode, charactron, liquid crystal display.Pressure switch 14 is a pressure switch open in usual in the present embodiment, and low-voltage signal prompting device 15 is a buzzer.
During gas water heater working, combustion gas is by entering the first magnetic valve air inlet, 18 places that Gas Pipe 16 arrives first magnetic valve 2, when the gaseous-pressure at the first magnetic valve air inlet, 18 places during greater than the operating pressure of pressure switch 14, pressure switch 14 closures, low gas pressure force signal treatment circuit 13 passes to controller 9 with signal, controller 9 control first magnetic valves 2 and 3 energisings of second magnetic valve are opened, simultaneously 10 igniting of controller 9 control impuls igniters.When the gaseous-pressure at the first magnetic valve air inlet, 18 places during less than the operating pressure of pressure switch 14, pressure switch 14 disconnects, low gas pressure force signal treatment circuit 13 passes to controller 9 with signal, 2 outages of controller 9 controls first magnetic valve are closed to cut off the gas supply of gas heater, and low gas pressure force signal treatment circuit 13 control low-voltage signal prompting devices 15 send prompt tone simultaneously.
Embodiment two, shown in accompanying drawing 2, accompanying drawing 3, present embodiment comprises shell 1, first magnetic valve 2, second magnetic valve 3, burner 4, heat exchanger 5, exhaust fume collecting hood 6, smoke exhaust pipe 7, blower fan 8, controller 9, pulse igniter 10, blast switch 11, Switching Power Supply 12, low gas pressure force signal treatment circuit 13, pressure switch 14, low-voltage signal prompting device 15, advances Gas Pipe 16.
Pipeline connection between the sampling end 17 of pressure switch 14 and the first magnetic valve gas outlet 19 and the second magnetic valve air inlet 20, other annexation is identical with embodiment one, repeats no more herein.
During gas water heater working, 2 energisings of controller 9 controls first magnetic valve are opened and 3 outages of second magnetic valve are closed, combustion gas arrives 19 places, the first magnetic valve gas outlet of second magnetic valve 3 by first magnetic valve 2, when the gaseous-pressure at 19 places, the first magnetic valve gas outlet during greater than the operating pressure of pressure switch 14, pressure switch 14 closures, low gas pressure force signal treatment circuit 13 passes to controller 9 with signal, controller 9 control impuls igniters 10 igniting are simultaneously opened in 3 energisings of controller 9 controls second magnetic valve.When the gaseous-pressure at 19 places, the first magnetic valve gas outlet during less than the operating pressure of pressure switch 14, pressure switch 14 disconnects, low gas pressure force signal treatment circuit 13 passes to controller 9 with signal, 2 outages of controller 9 controls first magnetic valve are closed to cut off the gas supply of gas heater, and low gas pressure force signal treatment circuit 13 control low-voltage signal prompting devices 15 send prompt tone simultaneously.
Claims (10)
1, a kind of gas heater with the prompting of low gas pressure power, it comprises first magnetic valve (2), second magnetic valve (3), controller (9), advance Gas Pipe (16), first magnetic valve (2) is provided with the first magnetic valve air inlet (18) and the first magnetic valve gas outlet (19), second magnetic valve (3) is provided with the second magnetic valve air inlet (20), advancing Gas Pipe (16) is communicated with the first magnetic valve air inlet (18), the first magnetic valve gas outlet (19) is communicated with the second magnetic valve air inlet (20), controller (9) and first magnetic valve (2), second magnetic valve (3) electrically connects, it is characterized in that it also comprises low gas pressure force signal treatment circuit (13), pressure switch (14), low-voltage signal prompting device (15), the sampling end (17) of described pressure switch (14) and advance Gas Pipe (16) and the second magnetic valve air inlet (20) between pipeline connection, described low gas pressure force signal treatment circuit (13) and pressure switch (14), low-voltage signal prompting device (15), controller (9) electrically connects.
2, the gas heater of band low gas pressure power prompting according to claim 1 is characterized in that described pressure switch (14) is a pressure switch open in usual.
3, the gas heater of band low gas pressure power prompting according to claim 1 is characterized in that described pressure switch (14) is the normally closed type pressure switch.
4, according to the gas heater of each described band low gas pressure power prompting of claim 1～3, it is characterized in that the sampling end (17) of described pressure switch (14) and advance Gas Pipe (16) and the first magnetic valve air inlet (18) between pipeline connection.
5, according to the gas heater of each described band low gas pressure power prompting of claim 1～3, it is characterized in that the sampling end (17) of described pressure switch (14) and the pipeline connection between the first magnetic valve gas outlet (19) and the second magnetic valve air inlet (20).
6, the gas heater of band low gas pressure power prompting according to claim 4 is characterized in that described low-voltage signal prompting device (15) is a buzzer.
7, the gas heater of band low gas pressure power prompting according to claim 4 is characterized in that described low-voltage signal prompting device (15) is a liquid crystal display.
8, the gas heater of band low gas pressure power prompting according to claim 5 is characterized in that described low-voltage signal prompting device (15) is a liquid crystal display.
9, the gas heater of band low gas pressure power prompting according to claim 5 is characterized in that described low-voltage signal prompting device (15) is a charactron.
10, the gas heater of band low gas pressure power prompting according to claim 5 is characterized in that described low-voltage signal prompting device (15) is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200577278U CN201434485Y (en) | 2009-06-01 | 2009-06-01 | Fuel gas water heater with low fuel gas pressure prompt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200577278U CN201434485Y (en) | 2009-06-01 | 2009-06-01 | Fuel gas water heater with low fuel gas pressure prompt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434485Y true CN201434485Y (en) | 2010-03-31 |
Family
ID=42053293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200577278U Expired - Lifetime CN201434485Y (en) | 2009-06-01 | 2009-06-01 | Fuel gas water heater with low fuel gas pressure prompt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434485Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604207A (en) * | 2013-11-08 | 2014-02-26 | 威能(无锡)供热设备有限公司 | Gas water heating equipment with reverse air resisting capability |
| CN110057105A (en) * | 2018-01-19 | 2019-07-26 | 美的集团股份有限公司 | Gas heater |
-
2009
- 2009-06-01 CN CN2009200577278U patent/CN201434485Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604207A (en) * | 2013-11-08 | 2014-02-26 | 威能(无锡)供热设备有限公司 | Gas water heating equipment with reverse air resisting capability |
| CN103604207B (en) * | 2013-11-08 | 2016-08-24 | 威能(无锡)供热设备有限公司 | Possesses the gas and hot water equipment of degeneration-resistant wind energy power |
| CN110057105A (en) * | 2018-01-19 | 2019-07-26 | 美的集团股份有限公司 | Gas heater |
| CN110057105B (en) * | 2018-01-19 | 2020-09-25 | 美的集团股份有限公司 | Gas water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |
|
| CX01 | Expiry of patent term |