CN207262727U - Gas heater and its control system with gaseous-pressure sensor - Google Patents
Gas heater and its control system with gaseous-pressure sensor Download PDFInfo
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- CN207262727U CN207262727U CN201720495819.9U CN201720495819U CN207262727U CN 207262727 U CN207262727 U CN 207262727U CN 201720495819 U CN201720495819 U CN 201720495819U CN 207262727 U CN207262727 U CN 207262727U
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Abstract
The utility model discloses a kind of gas heater and control system with gaseous-pressure sensor, there is gas inlet pipeline including content, wind turbine, the gas heater body of master controller, gas ratio valve is additionally provided with gas inlet pipeline, shut-off valve and sectioning valve, strainer is provided with gas ratio valve, it is characterized in that, with installing an oil-resisting type gaseous-pressure sensor before sectioning valve respectively before gas ratio valve strainer, respectively as pressure acquisition sensor of combustion gas, gas secondary pressure acquisition sensor, the pressure acquisition sensor and gas ratio valve, the master controller of shut-off valve and sectioning valve with gas heater electrically connects, wherein correspond to gas proportion valve opening i.e. proportioning valve current value.The invention also discloses a kind of Multifunctional central gas heater.The utility model can realize gas pressure real-time display, while reduce water heater accident or failure rate, and water heater parameter can automate adjusting.
Description
Technical field
Gas heater technical field is the utility model is related to, more particularly, to band gaseous-pressure sensor gas heater
Control technology field.
Background technology
Gas ratio valve is one of core component of gas heater, with the increase of service life, proportioning valve air inlet
Filter net jam, gaseous impurity enter inside proportioning valve, proportioning valve epithelium be damaged etc. may cause water heater hydraulic performance decline, detonation,
Gas leakage or other security incidents, these hidden danger are only manually arranged using being not easy initial stage to be found by failure or post incident
Look into, it is impossible to well strangle similar failure in cradle；In addition current industry forward position gas heater maximum air consumption, minimum
Air consumption and its corresponding maximum quantity of wind, minimum air quantity are drawn according to laboratory test data or experience, so that it is determined that combustion gas
Ratio valve opening, that is, corresponding current value, but all there is fluctuation in gas ratio valve coil resistance and water heater mainboard output current, make
Into situations such as exporting air consumption unusual fluctuations, easily cause vibration or incomplete combustion.If user's home fuel gas pressure reduces, not
It is low and be adjusted that combustion gas pressure can be perceived, water heater hydraulic performance decline when causing bottom gaseous-pressure.In addition existing water heater
Need manually parameter codes to be adjusted calibration in production, when artificially adjusting bigger error, comfort and complete machine work are made
It is big into influencing, usually there is phenomena such as noise, vibration and temperature overshot, and fan parameter is influenced by factors such as height above sea level, temperature
It is larger, phenomena such as manufacturer's parameter set in advance and may not apply to, often be easy to cause water heater accident extinguishing.
In order to solve the above technical problems, the Chinese utility model patent of a Publication No. CN105605796A with
The Chinese utility model patent of CN203730892U discloses the gas heater for disclosing a kind of combustion gas self-adapting type respectively and its control
Method processed and a kind of gas ratio valve with pressure detecting signal；The system passes through secondary pressure sensor on gas ratio valve
Carry out water heater adaptively to adjust, another patent mainly discloses the installation site and its ratio valve arrangement of sensor, and passes
Sensor is installed on after proportioning valve strainer, and after filter net jam, actual gas pressure differs greatly with sensor collection value；It is above-mentioned
Patent cannot completely reflect that proportioning valve is abnormal in itself or other parts differences caused by water heater work condition abnormality phenomenon, and
Its control system is extremely complex, and practicality is not high, it is therefore necessary to proposes a kind of simple and reliable control system, allows water heater to make
Reach optimal with effect.
Utility model content
The purpose of this utility model is that gas heater one can be monitored in real time by providing one kind in view of the deficiencies of the prior art
Secondary air pressure and secondary air pressure, can by water heater detonation, gas leakage, air inlet block, the similar accident such as gas pressure deficiency prompting or
Failure is strangled in cradle and has automatic debugging mode, ensures water heater combustibility most preferably while also act as Workshop Production
Automatically adjust the gas heater of water heater parameter.
The another object of the utility model is to provide a kind of gas heater control system with gaseous-pressure sensor
System.
In order to reach object above, the utility model patent adopts the following technical scheme that：
A kind of gas heater with gaseous-pressure sensor, including content have gas inlet pipeline, wind turbine, master controller
Gas heater body, gas ratio valve, shut-off valve and sectioning valve are additionally provided with gas inlet pipeline, on gas ratio valve
It is provided with strainer, it is characterised in that with installing an oil-resisting type gaseous-pressure before sectioning valve respectively before gas ratio valve strainer
Sensor, respectively as pressure acquisition sensor of combustion gas, gas secondary pressure acquisition sensor, the pressure acquisition sensor
And the master controller of gas ratio valve, shut-off valve and sectioning valve with gas heater electrically connects, wherein corresponding gas ratio valve
Aperture, that is, proportioning valve current value；
Program is by presetting gas secondary pressure and wind turbine wind speed, combustion gas pressure limit, in combustion gas once
In pressure acceptability limit, the parameters such as water heater gas ratio valve electric current, rotation speed of fan are configured by automatic debugging mode.
As a further illustration of the above scheme, the gas heater has display interface, a pressure acquisition sensing
It is real that the gas pressure P2 that gas pressure P1 that device is shown, gas secondary pressure acquisition sensor are shown passes through water heater display interface
When show, as gas pressure prompt purposes, and by controller according to current environment automatically to water heater combustion parameter into
Row sets, corrects,
A kind of control system for Multifunctional central gas heater that the utility model patent provides has below beneficial to effect
Fruit：
1., gas pressure real-time display, while reduce water heater accident or failure rate：
This system can be by similar accident or failures such as water heater detonation, gas leakage, air inlet blocking, gas pressure deficiency promptings
Strangle in cradle；
2., distinctive automatic debugging mode, complete machine adaptability and comfort can be substantially improved：
When declining when temperature persistance occurs in water heater, easily stopping working when other exceptions, automatic debugging mode is reentered, is
System automatically will reset water heater combustion parameter according to current environment, be always ensured that water heater burns to a certain extent
Performance is optimal；
3., water heater parameter automatization adjust：
Water heater parameter is automatically adjusted during Workshop Production, reduces manual adjustment error, improves production efficiency, saving is produced into
This, while can also exclude the error caused by difference such as water heater mainboard, proportioning valve device；
Brief description of the drawings
Fig. 1 is the gas ratio valve structure diagram using the double baroceptors of oil-resisting type of the utility model.
Fig. 2 is the system control process figure of the utility model.
Description of reference numerals：1st, gas ratio valve air inlet oil-resisting type gas pressure sensor 2, gas ratio valve strainer
3rd, shut-off valve 4, sectioning valve 5, gas proportion valve air gate oil-resisting type gas pressure sensor.
Embodiment
The utility model patent is further described with reference to the accompanying drawings and embodiments.
As shown in Figure 1 and Figure 2, the gas heater with gaseous-pressure sensor of the utility model, including content have combustion gas
Air inlet pipeline, wind turbine, the gas heater body of master controller, gas ratio valve, cut-off are additionally provided with gas inlet pipeline
Valve 3 and sectioning valve 4, are provided with strainer 2 on gas ratio valve, with installing one respectively before sectioning valve 4 before gas ratio valve strainer 2
A oil-resisting type gaseous-pressure sensor (1,5), passes respectively as pressure acquisition sensor of combustion gas, gas secondary pressure acquisition
Sensor, the master controller electricity of the pressure acquisition sensor and gas ratio valve, shut-off valve 3 and sectioning valve 4 with gas heater
Connection；
The utility model is sensed before gas ratio valve strainer with installing an oil-resisting type gaseous-pressure before sectioning valve respectively
Device, it is ensured that the correctness of gas pressure collection value；1 is gas ratio valve air inlet oil-resisting type gas pressure sensor, as combustion
Pressure acquisition sensor of gas, its pressure value are counted as P1；2 be gas ratio valve strainer, prevents large-scale granule foreign from entering valve
Internal portion；3 be shut-off valve, as combustion gas master switch；4 be sectioning valve, as system segment burning control valve, for improving hot water
Device performance；5 be gas proportion valve air gate oil-resisting type gas pressure sensor, as gas secondary pressure acquisition sensor, its
Pressure value is counted as P2, and P2 represents water heater air consumption, corresponding gas proportion valve opening, that is, proportioning valve current value；
Program is by presetting gas secondary pressure and wind turbine wind speed, combustion gas pressure limit, in combustion gas once
In pressure acceptability limit, (gas ratio valve electric current, rotation speed of fan are configured to water heater parameter by automatic debugging mode
Deng), manual adjustment error is reduced, improves production efficiency, saves production cost, while can also exclude water heater mainboard, proportioning valve
Error caused by the differences such as device；In addition above-mentioned gas pressure P1, P2 can be come out by water heater display interface real-time display, be made
For gas pressure prompt purposes, in addition the system water heater combustion parameter can be configured automatically according to current environment,
Correct, so that water heater is in optimal combustion state all the time to a certain extent.
Fig. 2 is system control process figure, by judging whether long-press on ＆ off switch after system electrification start, into automatic debugging
Pattern or normal use pattern, system default normal use pattern, every time during unlatching water, is opened in proportioning valve and shut-off valve 3
Qi Hou, is judged by the pressure value P 1 and P2 gathered to gaseous-pressure sensor, when gas ratio valve air inlet strainer blocks up
Plug, gaseous impurity, which enter inside proportioning valve, proportioning valve epithelium is damaged etc. can cause P1>P2+ Δ P, Δ P value 90-110Pa,
General value 100Pa, otherwise system will burn according to automatic debugging mode arrange parameter normal ignition；When artificial selection enters certainly
Dynamic debugging mode, in pressure P1 acceptability limit of combustion gas (Δ P1 values 900-1100Pa, general value 1000Pa), passes through
Automatic debugging mode is configured water heater parameter, and it is set-point first to adjust rotation speed of fan FH, FL, according to given secondary pressure
Proportioning valve electric current PH, PL are adjusted, system is again finely adjusted rotation speed of fan afterwards, ensures change in the range of Δ F, Δ F values
100r/min-130r/min, general value 120r/min, after system is debugged automatically, automatically saves water heater parameter, under
Before the automatic debugging mode of secondary entrance, system confirms that parameter is run according to this automatic debugging mode, when in addition Workshop Production is debugged,
This automatic debugging mode is selected, simply and reliablely ensureing water heater, combustibility is optimal all the time to a certain extent.
The utility model is sensed before gas ratio valve strainer with installing an oil-resisting type gaseous-pressure before sectioning valve respectively
Device, as soon as gas heater time air pressure and secondary air pressure can be monitored in real time, and secondary air pressure represents water heater air consumption, can correspond to
Gas proportion valve opening, that is, proportioning valve current value, can be by water heater detonation, gas leakage, air inlet blocking, gas pressure deficiency prompting
Strangled Deng similar accident or failure in cradle；In addition the distinctive automatic debugging mode of the system, constant temperature can occurs in water heater
Hydraulic performance decline, easily stop working when other exceptions, only need to reenter automatic debugging mode, system will be automatic according to current environment
Water heater combustion parameter is reset, is always ensured that water heater combustibility is optimal to a certain extent；The system at the same time
Workshop Production automatic adjustment water heater parameter is also acted as, manual adjustment error is reduced, improves production efficiency, saving is produced into
This, while can also exclude the error caused by difference such as water heater mainboard, proportioning valve device；In addition water heater is in High aititude, temperature
Severe area, which uses, or water heater smoke pipe length is longer, elbow is more causes rotation speed of fan flame-out phenomenon caused by drifting about,
It is modified by the distinctive automatic debugging mode of the system, passes through the heat of the combustion gas with gaseous-pressure sensor described in this motion
Hydrophone and its control system lift complete machine adaptability and comfort by overall.
Above-described is only the preferred embodiment of the utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (2)
1. a kind of gas heater with gaseous-pressure sensor, including the combustion containing gas inlet pipeline, wind turbine, master controller
Gas water heater body, is additionally provided with gas ratio valve, shut-off valve and sectioning valve on gas inlet pipeline, is set on gas ratio valve
There is strainer, it is characterised in that sensed before gas ratio valve strainer with installing an oil-resisting type gaseous-pressure before sectioning valve respectively
Device, respectively as pressure acquisition sensor of combustion gas, gas secondary pressure acquisition sensor, the pressure acquisition sensor and combustion
Gas proportioning valve, shut-off valve and sectioning valve are electrically connected with the master controller of gas heater, and wherein gas proportion valve opening corresponds to
Proportioning valve current value.
2. the gas heater according to claim 1 with gaseous-pressure sensor, it is characterised in that the gas and hot water
Utensil has display interface, and gas pressure P1 that a pressure acquisition sensor is shown, gas secondary pressure acquisition sensor are shown
Gas pressure P2 come out by water heater display interface real-time display, purposes is prompted as gas pressure, and by controller root
Water heater combustion parameter is configured automatically according to current environment, is corrected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495819.9U CN207262727U (en) | 2017-05-06 | 2017-05-06 | Gas heater and its control system with gaseous-pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720495819.9U CN207262727U (en) | 2017-05-06 | 2017-05-06 | Gas heater and its control system with gaseous-pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262727U true CN207262727U (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720495819.9U Active CN207262727U (en) | 2017-05-06 | 2017-05-06 | Gas heater and its control system with gaseous-pressure sensor |
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| CN (1) | CN207262727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121304A (en) * | 2019-12-30 | 2020-05-08 | 四川虹美智能科技有限公司 | Water heater and control method thereof |
-
2017
- 2017-05-06 CN CN201720495819.9U patent/CN207262727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121304A (en) * | 2019-12-30 | 2020-05-08 | 四川虹美智能科技有限公司 | Water heater and control method thereof |
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