CN107367068A - A kind of gas heater and its control method with acceleration transducer - Google Patents
A kind of gas heater and its control method with acceleration transducer Download PDFInfo
- Publication number
- CN107367068A CN107367068A CN201610318907.1A CN201610318907A CN107367068A CN 107367068 A CN107367068 A CN 107367068A CN 201610318907 A CN201610318907 A CN 201610318907A CN 107367068 A CN107367068 A CN 107367068A
- Authority
- CN
- China
- Prior art keywords
- burner
- acceleration transducer
- gas heater
- vibration frequency
- chip microcomputer
- 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
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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
Abstract
The invention discloses a kind of gas heater and its control method with acceleration transducer, wherein, have acceleration transducer gas heater control method the step of include:S1, after water flow sensing unit detects water-flow signal, start gas heater;S2, the acceleration transducer for setting on the burner detect the vibration frequency of burner in real time;S3, the vibration frequency that the acceleration transducer detects is sent to single-chip microcomputer;S4, the vibration frequency that single-chip microcomputer detects according to the acceleration transducer, determine the working method of gas heater.So, acceleration transducer is set on the burner of gas heater, can detects the shock conditions of burner using the acceleration transducer, gas heater is in ignition, if detect that the appearance of burner shakes extremely, the fired state of gas heater will be automatically adjusted, and then reduces the vibrations of burner, prevents burner from producing the normal life of too big noise jamming user.
Description
Technical field
The present invention relates to technical field of water heaters, and in particular to is a kind of gas and hot water with acceleration transducer
Device and its control method.
Background technology
Gas heater is exactly to pass through heat of high temperature caused by fuel gas buring as main energy sources material using combustion gas
It is delivered in the cold water for flow through heat exchanger and prepares hot water purpose to reach.Gas heater igniting when because
External environment influences, including difference between element itself, in burning because air capacity and the mismatch of combustion gas are led
Causing abnormal vibrations occur, the more frequent and caused noise that the vibrations occur under certain situation is bigger, this
Sample can influence the normal life of user.
Current technology can not detect the generation of the vibration problems, and the measure for avoiding vibrations now is all in early stage
By the running parameter in each stage such as design proportion valve and blower fan during research and development, the effect most matched is made up to,
But because the difference of user environment and the difference of parts etc., vibration problems are not avoided that in actually using,
Vibrations of the prior art for the later stage are not handled yet, and can thus influence the experience of user.
It is therefore desirable to which a kind of new technical scheme, can detect the vibration frequency of burner, and work as detection
During to abnormal shaking, reduce the vibrations of burner by adjusting proportioning valve and/or blower fan.
In view of this it is special to propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided one kind can detect burning
The vibration frequency of device, and when detecting abnormal vibrations, reduce combustion by adjusting proportioning valve and/or blower fan
The gas heater and its control method with acceleration transducer of the vibrations of burner.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme:
The first aspect of the present invention proposes a kind of gas heater control method with acceleration transducer, step
Suddenly include:
S1, after water flow sensing unit detects water-flow signal, start gas heater;
S2, the acceleration transducer for setting on the burner detect the vibration frequency of burner in real time;
S3, the vibration frequency that the acceleration transducer detects is sent to single-chip microcomputer;
S4, the vibration frequency that single-chip microcomputer detects according to the acceleration transducer, determine the work of gas heater
Mode.
Preferably, the step S4 is specifically included:
S41, single-chip microcomputer judge whether the vibration frequency of the acceleration transducer detection is more than or equal to predetermined threshold,
If yes then enter step S42, otherwise holding gas heater present combustion state;
S42, the combustion system of regulating gas water heater.
Preferably, the predetermined threshold is the arbitrary value in 250-300Hz.
Preferably, the step S42 is specially:
Adjust the ratio valve opening and/or regulation rotation speed of fan of burner.
Preferably, the ratio valve opening of the regulation burner is:
Improve or reduce the ratio valve opening of burner.
Preferably, the regulation rotation speed of fan is:
Desired speed is increased or decreased on the basis of current rotation speed of fan.
Preferably, the desired speed is the arbitrary value in 100-200rpm.
The second aspect of the present invention proposes a kind of gas heater with acceleration transducer, including, burning
Device, blower fan and single-chip microcomputer, the burner and blower fan are connected with single-chip microcomputer, on the burner Set scale valve,
Acceleration transducer is set on the burner, and the acceleration transducer is connected with the single-chip microcomputer, institute
State acceleration transducer and detect the vibration frequency of the burner, and vibration frequency is sent to the single-chip microcomputer,
The vibration frequency that the single-chip microcomputer detects according to the acceleration transducer, determine the working method of gas heater.
Preferably, when the vibration frequency that single-chip microcomputer receives is more than or equal to predetermined threshold, single-chip microcomputer just adjusts combustion
The ratio valve opening and/or regulation rotation speed of fan of burner, reduce the vibrations of burner.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
Acceleration transducer is set on the burner of gas heater, can thus utilize the acceleration sensing
Device detects the vibration frequency of burner, and gas heater is in ignition, because ectocine, and combustion
Difference between burner component itself, when burner is burnt, will due to air and combustion gas not
Match somebody with somebody and cause burner abnormal vibrations occur, therefore the detection combustion of acceleration transducer can is set on the burner
The shock conditions of burner, and send the vibration frequency to single-chip microcomputer in real time, single-chip microcomputer once finds burner
Appearance shake extremely, the fired state of gas heater will be automatically adjusted, and then reduce the vibrations of burner.
Prevent burner from producing the normal life of too big noise jamming user, can improve user's through the above way
Usage experience.
Can be that vibration frequency sets one according to actual conditions in order to more preferably judge the size of vibration frequency
Predetermined threshold, if the vibration frequency of acceleration detection exceedes the predetermined threshold, pass through regulating gas hot water
The combustion system of device reduces the vibrations of burner, shows by substantial amounts of experiment, by adjusting ratio valve opening
And/or regulation rotation speed of fan, the vibrations of burner can be reduced, if the vibration frequency of acceleration detection exists
(i.e. less than predetermined threshold) within predetermined threshold, then prove that the frequency of burner vibrations is smaller, can't shadow
Ring the normal life to user.
Brief description of the drawings
, below will be to specific embodiment party for the technical scheme in the clearer explanation specific embodiment of the invention
The required accompanying drawing used is briefly described in formula, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, are not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the gas heater control method with acceleration transducer of one embodiment of the present of invention
Flow chart;
Fig. 2 shows the idiographic flow schematic diagram of step S4 in Fig. 1;
Fig. 3 shows the gas heater controlling party with acceleration transducer of an alternative embodiment of the invention
The flow chart of method;
Fig. 4 shows the structural frames of the gas heater with acceleration transducer of one embodiment of the present of invention
Figure;
Fig. 5 shows the schematic diagram of the gas heater with acceleration transducer of one embodiment of the present of invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment one
As shown in figure 1, the first aspect of the present invention proposes a kind of gas heater with acceleration transducer
Control method, step include:
S1, after water flow sensing unit detects water-flow signal, start gas heater;
S2, the acceleration transducer for setting on the burner detect the vibration frequency of burner in real time;
S3, the vibration frequency that the acceleration transducer detects is sent to single-chip microcomputer;
S4, the vibration frequency that single-chip microcomputer detects according to the acceleration transducer, determine the work of gas heater
Mode.
In the above-mentioned technical solutions, water flow sensor is set on the water inlet pipe of gas heater, when user needs
Want during hot water open water inlet valve to gas heater intake when, water flow sensor will detect current letter
Number, then gas heater will light a fire startup, set acceleration transducer on the burner to examine in real time
Survey the vibration frequency of burner, last can according to the working method of the vibration frequency regulating gas water heater,
Different vibration frequencies corresponds to different working methods, so when burner vibration frequency is larger, it is possible to logical
The working method of gas heater is overregulated to reduce the vibrations of burner.
Pass through above-mentioned technical proposal, the shock conditions of acceleration transducer detection burner can be utilized, work as detection
To burner vibration frequency it is larger when, it is possible to the working condition of timely regulating gas water heater, to reduce burning
The vibration frequency of device, prevent burner from producing the normal life of too big noise jamming user, through the above way
The usage experience of user can be improved.
As shown in Fig. 2 the step S4 is specifically included:
S41, single-chip microcomputer judge whether the vibration frequency of the acceleration transducer detection is more than or equal to predetermined threshold,
If yes then enter step S42, otherwise holding gas heater present combustion state;
S42, the combustion system of regulating gas water heater.
In the above-mentioned technical solutions, can be according to actual conditions in order to more preferably judge the size of vibration frequency
For vibration frequency, one predetermined threshold is set, if the vibration frequency of acceleration detection exceedes the predetermined threshold,
Then reduce the vibrations of burner by the combustion system of regulating gas water heater, if the vibrations of acceleration detection
Frequency (i.e. less than predetermined threshold), then proves the smaller of burner vibrations within predetermined threshold, can't
The normal life of user is had influence on, as long as now keeping the present combustion state can of gas heater, nothing
It need to take measures again.
For example, the vibration frequency of acceleration detection is within predetermined threshold, if the now proportioning valve of burner
Electric current 160mA corresponds to blower fan wind speed 4000rpm, then goes down according to this mode of operation, if now ratio
Valve electric current 40mA corresponds to blower fan wind speed 2000rpm, goes down also according to this mode of operation.
And for example, the vibration frequency of acceleration transducer detection exceedes the predetermined threshold, then obtains now burner
Working condition, keep ratio valve opening it is constant, by blower fan wind speed increase 100-200rpm (or reduce
100-200rpm)
Can also be that the vibration frequency sets several grades in addition, which grade the vibration frequency so detected is in
In the range of just take combustion system corresponding with the grade, so can more meet the diversified demand of user.
Preferably, the predetermined threshold is the arbitrary value in 250-300Hz.
By substantial amounts of it is demonstrated experimentally that the frequency by conversion output after acceleration transducer detects exists
More than 250-300Hz, user will be felt under the weather, and therefore, predetermined threshold is set as in 250-300Hz
Arbitrary value.
Preferably, the step S2 is specially:
Adjust the ratio valve opening and/or regulation rotation speed of fan of burner.
Preferably, the ratio valve opening of the regulation burner is:
Improve or reduce the ratio valve opening of burner.
Preferably, the regulation rotation speed of fan is:
Desired speed is increased or decreased on the basis of current rotation speed of fan.
In the above-mentioned technical solutions, in order to reduce the vibration frequency of burner, there can be three kinds of modes, be respectively:
(1) ratio valve opening is adjusted to control the combustion gas input of burner, shows gas inlet amount through overtesting
The vibrating noise of burner will be reduced by changing.
(2) rotation speed of fan is adjusted to control the air input of burner, shows that air inlet amount changes through overtesting
The vibrating noise of burner can also be reduced by becoming.
(3) also by adjusting ratio valve opening and rotation speed of fan, to come to change combustion gas and the air inlet of air simultaneously
Amount, and then reduce the vibrating noise of burner.
Preferably, the desired speed is the arbitrary value in 100-200rpm.
Test proves that the rotating speed of blower fan is increased or decreased into vibrations of the 100-200rpm to reduction burner
The effect of frequency is relatively good.
Embodiment two
As shown in figure 3, the step of gas heater control method with acceleration transducer of the present invention, is as follows:
S21, gas heater are powered;
S22, after water flow sensor detects water-flow signal, start burner ignition burning;
S23, judges whether the vibration frequency signal of acceleration transducer output is more than or equal to predetermined threshold, when sentencing
Disconnected result is is then to enter step S25, otherwise into step S24;
S24, gas heater continue normal work according to current working method;
Rotation speed of fan is increased or decreased 100-200rpm by S25, gas heater;
Embodiment three
As shown in Figure 4 and Figure 5, the present invention proposes a kind of gas heater with acceleration transducer, wraps
Including, burner 2, blower fan 3 and single-chip microcomputer 1, the burner 2 and blower fan 3 are connected with single-chip microcomputer 1,
The Set scale valve 21 on burner 2, acceleration transducer 22 is set on the burner 2, and it is described
Acceleration transducer 22 is connected with the single-chip microcomputer 1, and the acceleration transducer 22 detects the burner 2
Vibration frequency, and vibration frequency is sent to the single-chip microcomputer 1, the single-chip microcomputer 1 is according to the acceleration
The vibration frequency that sensor 22 detects, determine the working method of gas heater.
In the above-mentioned technical solutions, acceleration transducer 22 is set on the burner 2 of gas heater, this
Sample can detects the shock conditions of burner 2 using the acceleration transducer 22, and gas heater is in point
During fire burning, because ectocine, and the difference between burner 2 component itself, in burner 2
When being burnt, due to air and the mismatch of combustion gas burner 2 will be caused abnormal vibrations occur, therefore
The vibration frequency of the can of acceleration transducer 22 detection burner 2 is set on burner 2, and this is shaken
Dynamic frequency sends single-chip microcomputer 1 in real time, and single-chip microcomputer 1 once finds that the appearance of burner 2 shakes extremely, just
The fired state of gas heater can be automatically adjusted, and then reduces the vibrations of burner 2.
Preferably, when the vibration frequency that single-chip microcomputer 1 receives is more than or equal to predetermined threshold, single-chip microcomputer 1 is just adjusted
The aperture of proportioning valve 21 and/or the regulation rotating speed of blower fan 3 of burner 2 are saved, reduces the vibrations of burner 2.
Show by substantial amounts of experiment, by adjusting the aperture of proportioning valve 21 and/or the regulation rotating speed of blower fan 3, all may be used
To reduce the vibrations of burner 2.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to this hair
Bright preferred embodiment is described, and not the spirit and scope of the present invention are defined, and is not departing from this hair
On the premise of bright design philosophy, various changes that professional and technical personnel in the art make to technical scheme
Change and improve, belong to protection scope of the present invention.
Claims (7)
1. a kind of gas heater control method with acceleration transducer, it is characterised in that step includes:
S1, after water flow sensing unit detects water-flow signal, start gas heater;
S2, the acceleration transducer for setting on the burner detect the vibration frequency of burner in real time;
S3, the vibration frequency that the acceleration transducer detects is sent to single-chip microcomputer;
S4, the vibration frequency that single-chip microcomputer detects according to the acceleration transducer, determine the work of gas heater
Mode.
2. the gas heater control method according to claim 1 with acceleration transducer, it is special
Sign is that the step S4 is specifically included:
S41, single-chip microcomputer judge whether the vibration frequency of the acceleration transducer detection is more than or equal to predetermined threshold,
If yes then enter step S42, otherwise holding gas heater present combustion state;
S42, the combustion system of regulating gas water heater.
3. the gas heater control method according to claim 2 with acceleration transducer, it is special
Sign is that the step S42 is specially:
Adjust the ratio valve opening and/or regulation rotation speed of fan of burner.
4. the gas heater control method according to claim 3 with acceleration transducer, it is special
Sign is that the ratio valve opening of the regulation burner is:
Improve or reduce the ratio valve opening of burner.
5. the gas heater control method according to claim 3 with acceleration transducer, it is special
Sign is that the regulation rotation speed of fan is:
Desired speed is increased or decreased on the basis of current rotation speed of fan.
6. a kind of gas heater with acceleration transducer, including, burner, blower fan and single-chip microcomputer,
The burner and blower fan are connected with single-chip microcomputer, on the burner Set scale valve, it is characterised in that in institute
State and acceleration transducer is set on burner, and the acceleration transducer is connected with the single-chip microcomputer, it is described to add
Velocity sensor detects the vibration frequency of the burner, and vibration frequency is sent to the single-chip microcomputer, described
The vibration frequency that single-chip microcomputer detects according to the acceleration transducer, determine the working method of gas heater.
7. the gas heater according to claim 6 with acceleration transducer, it is characterised in that
When the vibration frequency that single-chip microcomputer receives is more than or equal to predetermined threshold, single-chip microcomputer just adjusts the proportioning valve of burner
Aperture and/or regulation rotation speed of fan, reduce the vibrations of burner.
Priority Applications (1)
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CN201610318907.1A CN107367068A (en) | 2016-05-12 | 2016-05-12 | A kind of gas heater and its control method with acceleration transducer |
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CN201610318907.1A CN107367068A (en) | 2016-05-12 | 2016-05-12 | A kind of gas heater and its control method with acceleration transducer |
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Family
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CN201610318907.1A Pending CN107367068A (en) | 2016-05-12 | 2016-05-12 | A kind of gas heater and its control method with acceleration transducer |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111141031A (en) * | 2018-11-05 | 2020-05-12 | 宁波方太厨具有限公司 | Automatic fault detection method for gas water heater |
CN112361417A (en) * | 2020-12-10 | 2021-02-12 | 珠海格力电器股份有限公司 | Ultrasonic cleaning control method and device for range hood and range hood |
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