CN106556151A - A kind of fuel gas of fuel gas water heater automatic pressure unit and method - Google Patents
A kind of fuel gas of fuel gas water heater automatic pressure unit and method Download PDFInfo
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- CN106556151A CN106556151A CN201510640505.9A CN201510640505A CN106556151A CN 106556151 A CN106556151 A CN 106556151A CN 201510640505 A CN201510640505 A CN 201510640505A CN 106556151 A CN106556151 A CN 106556151A
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Abstract
The invention discloses a kind of fuel gas of fuel gas water heater automatic pressure unit, including controller and the proportioning valve of controller control, pressure transducer and combustion gas booster pump are provided with the anterior blast tube of the entry/exit QI KOU of proportioning valve or entry/exit QI KOU, controller is received the gaseous-pressure of pressure transducer detection and contrasted to control the keying or operating of combustion gas booster pump with preset value.The invention also discloses a kind of fuel gas of fuel gas water heater auto-increasing pressure, including：Obtain the upstream pressure value of proportioning valve；The upstream pressure value of acquisition is compared with preset pressure value scope, when upstream pressure value is less than preset pressure value scope, starts and control combustion gas supercharging pump work；Holding upstream pressure value is in the range of preset pressure value.Present invention water heater when upstream pressure is too small is unable to constant temperature combustion, controls the opening and closing of combustion gas booster pump and is pressurized pump output pressure to combustion gas to be adjusted by controller, realize and combustion gas booster pump is automatically controlled.
Description
Technical field
The present invention relates to technical field of water heaters, more particularly to a kind of fuel gas of fuel gas water heater automatic pressure unit and method.
Background technology
Existing gas heater, is generally gas ratio valve using gas valve, plays the effect for adjusting secondary pressure and voltage stabilizing；Machine is according to burning needs, by controller control, can arbitrarily regulating gas valve outlet pressure size and steady pressure, but on condition that gas valve inlet pressure must is fulfilled for requiring, before natural gas regulation valve, rated pressure is 2000Pa, and use range is 1000-3000Pa.Gas heater in use, due to the reason such as gas peak period or pipe diameter be too small, occurring because of gaseous-pressure often not enough, causing gas heater to produce and being unable to the problems such as normal ignition, burning, affect gas heater just producing use.
Prior art is using the larger gas nozzle in aperture, but the gaseous-pressure that this kind of nozzle can reduce needing when using, while gas nozzle can not be arbitrarily enlarged, the introducing of primary air amount can be affected, burning is impacted.
The content of the invention
It is an object of the invention to propose a kind of fuel gas of fuel gas water heater automatic pressure unit, using the teaching of the invention it is possible to provide gaseous-pressure meets gas heater use enough.
The present invention also aims to propose a kind of fuel gas of fuel gas water heater auto-increasing pressure, upstream pressure can be improved automatically, pressure requirements when making the upstream pressure after raising reach burning.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of fuel gas of fuel gas water heater automatic pressure unit, including controller and the proportioning valve of controller control, pressure transducer and combustion gas booster pump are disposed with the anterior blast tube of the entry/exit QI KOU of the proportioning valve or entry/exit QI KOU, controller is received the gaseous-pressure of pressure transducer detection and contrasted to control the keying or operating of combustion gas booster pump with preset value.
Preferably, the controller is connected with alarm device.
The present invention detects upstream pressure by pressure transducer, and the upstream pressure that controller reception pressure transducer is detected simultaneously contrasts to control the keying of combustion gas booster pump or to operate meet gas heater use can provide enough gaseous-pressures with preset value.
Present invention also offers a kind of fuel gas of fuel gas water heater auto-increasing pressure, is controlled using above-mentioned fuel gas of fuel gas water heater automatic pressure unit, including：
Obtain the upstream pressure value of proportioning valve；
The upstream pressure value of acquisition is compared with preset pressure value scope, when upstream pressure value is less than preset pressure value scope, starts and control combustion gas supercharging pump work；
Holding upstream pressure value is in the range of preset pressure value.
Preferably, the acquisition proportioning valve upstream pressure value includes：
Upstream pressure signal is detected by pressure transducer and controller is passed to, the controller obtains upstream pressure value according to the upstream pressure signal.
Preferably, it is described by the upstream pressure value of acquisition compare with preset pressure value including：
The controller sets preset pressure value, and the upstream pressure value of acquisition and the preset pressure value are compared.
Preferably, the holding upstream pressure value includes in the range of preset pressure value：
Real-time detection upstream pressure value whether in the range of default upstream pressure value, when upstream pressure value not in default upstream pressure value scope when, the opening/closing regulation of controller control combustion gas booster pump makes upstream pressure value in the range of default upstream pressure value.
Preferably, the holding upstream pressure value also includes in the range of preset pressure value：
Whether detection combustion gas booster pump operates.
Preferably, the upstream pressure value does not include in default upstream pressure value scope：
Upstream pressure value is less than pressure value before default minimum valve and upstream pressure value more than pressure value before default maximal valve.
Preferably, the upstream pressure value includes more than pressure value before default maximal valve less than pressure value before default minimum valve and upstream pressure value：
Detection upstream pressure value is less than before default minimum valve, during pressure value and when combustion gas booster pump operates, whether detection combustion gas booster pump output is maximum output；
Detection upstream pressure value is less than during pressure value and combustion gas booster pump is without operating, then starting combustion gas booster pump, upstream pressure is progressively increased in the range of default upstream pressure value before default minimum valve；
Detection upstream pressure value is more than before default maximal valve, during pressure value and when combustion gas booster pump operates, then controller control combustion gas booster pump shuts down.
Preferably, the detection upstream pressure value is less than before default minimum valve, during pressure value and when combustion gas booster pump operates, whether detection combustion gas booster pump output is that maximum output includes：
When detection combustion gas booster pump is output as maximum output, whether detection upstream pressure value detects upstream pressure value less than preset failure；Whether the detection upstream pressure value includes less than preset failure detection upstream pressure value：
When detection upstream pressure value detects upstream pressure value less than preset failure, controller sends alarm, points out user's air pressure not enough；Controller judge can normal work, if cisco unity malfunction, gas heater is shut down and reports failure.
By the said method of the present invention, when upstream pressure is too small can not start gas heater, controller can automatically control combustion gas of the combustion gas booster pump to non-passing ratio valve and be pressurized, to start gas heater；The output pressure of regulating gas booster pump when upstream pressure does not reach the rating requirements of water heater, can be passed through, the regulation to combustion gas upstream pressure is realized.
Description of the drawings
Fig. 1 is the structural representation of the fuel gas of fuel gas water heater automatic pressure unit that the embodiment of the present invention one is provided；
Fig. 2 is the structural representation of the fuel gas of fuel gas water heater automatic pressure unit that the embodiment of the present invention two is provided；
Fig. 3 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the embodiment of the present invention three is provided；
Fig. 4 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the embodiment of the present invention four is provided；
Fig. 5 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the embodiment of the present invention five is provided.
In figure：
1st, controller；2nd, proportioning valve；3rd, pressure transducer；4th, combustion gas booster pump；5th, blast tube.
Specific embodiment
In order that those skilled in the art more fully understands technical scheme, technical scheme is further illustrated below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment one
Fig. 1 is refer to, Fig. 1 is the structural representation of the fuel gas of fuel gas water heater automatic pressure unit that the present invention is provided.
The present invention provides a kind of fuel gas of fuel gas water heater automatic pressure unit, including controller 1 and the proportioning valve 2 of the control of controller 1, pressure transducer 3 and combustion gas booster pump 4 are disposed with the air inlet of proportioning valve 2 or the blast tube 5 in air inlet epistome, wherein, controller 1 is received the gaseous-pressure of the detection of pressure transducer 3 and the output pressure for being carried out regulating gas booster pump 4 with the keying or operating for controlling combustion gas booster pump 4 is simultaneously contrasted with preset value, values when making combustion gas upstream pressure reach burning.
Used as optimal technical scheme, in the present embodiment, controller 1 is connected with alarm device, for proposing alarm when the upstream pressure value of detection is less than preset failure detection upstream pressure value, points out user's insufficient pressure.
The present embodiment is when gas heater starts or in startup, the upstream pressure value of 3 detection ratio valve of pressure transducer first, the upstream pressure value signal for detecting is passed to controller 1 by pressure transducer 3 simultaneously, the upstream pressure value signal for receiving is converted into upstream pressure value and is contrasted with preset value by controller 1, controller 1 according to comparative information with control combustion gas booster pump 4 keying or operating so that the pressure before fuel gas buring reaches the pressure of needs.
Embodiment two
Incorporated by reference to Fig. 2, figure, 2 is the structural representation of the fuel gas of fuel gas water heater automatic pressure unit that the embodiment of the present invention two is provided.
In the present embodiment with one difference of embodiment it is：
Pressure transducer 3 and combustion gas booster pump 4 are disposed with the blast tube 5 of the gas outlet or outlet epistome of proportioning valve.
Structure in the uniform embodiment of other structures one is identical, will not be described here.
Embodiment three
Please further refer to Fig. 3, Fig. 3 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the present embodiment is provided.
The present embodiment provides a kind of fuel gas of fuel gas water heater auto-increasing pressure, is controlled using the fuel gas of fuel gas water heater automatic pressure unit in embodiment one or embodiment two, and the method includes：
Step 101 obtains the upstream pressure value of proportioning valve；
Upstream pressure signal is detected by the pressure transducer in admission line and controller is passed to, controller obtains upstream pressure value according to upstream pressure signal.
It should be noted that the acquisition of upstream pressure value can be that, before gas water heater ignition, which is used to judge the upstream pressure whether combustion gas upstream pressure is reached needed for steam Water heater igniting in the present embodiment, to ensure that gas heater normal ignition starts；Can also obtain during user uses gas heater, the range of pressure values required when whether reaching burning for judging upstream pressure；Can also be before gas water heater ignition and gas heater in use, measure before first judging gas valve and whether reach upstream pressure needed for gas water heater ignition, after gas heater normal ignition starts, then judge whether upstream pressure reaches the upstream pressure needed for combustion gas.
The upstream pressure value of acquisition is compared by step 102 with preset pressure value scope, when upstream pressure value is less than preset pressure value scope, starts and control combustion gas supercharging pump work.
Obtaining into after upstream pressure value, upstream pressure value scope is being preset with by controller, in the present embodiment, upstream pressure value of the above-mentioned default upstream pressure value scope for needed for gas water heater ignition；Subsequently the upstream pressure value of acquisition is compared with default upstream pressure value scope by controller, when the upstream pressure value of pressure transducer acquisition is entered less than the minima (being referred to as pressure value before minimum valve in the present embodiment) of upstream pressure value scope is preset, controller control combustion gas booster pump is opened, and gradually add the output pressure of combustion gas booster pump, until when upstream pressure value is in the range of default upstream pressure value, i.e., the upstream pressure value before passing ratio valve into the combustion gas of blast tube reaches the pressure needed for gas water heater ignition.
Step 103 keeps upstream pressure value in the range of preset pressure value.
For example in the present embodiment, between 1500pa-3000pa, i.e., upstream pressure value is in the range of preset pressure value for upstream pressure value.
Step 104 constant temperature of water heater burns.
Example IV
Please further refer to Fig. 4, Fig. 4 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the present embodiment is provided.
Based on the fuel gas of fuel gas water heater auto-increasing pressure that the present embodiment is provided by embodiment three, further increase igniting success after real-time detection upstream pressure value not in the range of default upstream pressure value, with determine want to detect combustion gas booster pump whether real-time motion the step of, and in the present embodiment, upstream pressure value is obtained after gas water heater ignition, and default upstream pressure value scope is set according to upstream pressure value required during gas water heater ignition.
Incorporated by reference to Fig. 3, in the present embodiment, fuel gas of fuel gas water heater auto-increasing pressure includes：
Step 201 obtains the upstream pressure value of proportioning valve；
The upstream pressure value of acquisition is compared by step 202 with preset pressure value scope, when upstream pressure value is less than preset pressure value scope, starts and control combustion gas supercharging pump work；
Whether step 203 detection upstream pressure value operates less than pressure value before minimum valve, detection combustion gas booster pump.
In the present embodiment, this step needs to carry out to upstream pressure value for gas heater in use, upstream pressure value is obtained during user is using gas heater, then upstream pressure value is compared with default upstream pressure value scope, before entering upstream pressure value not in the range of default upstream pressure value and being less than minimum valve during pressure value (pressure value is 1500pa before minimum valve in the present embodiment), illustrate that the upstream pressure value in admission line does not reach upstream pressure value required when gas heater burns.
If combustion gas booster pump is without operating, execution step 204, if the operating of combustion gas booster pump, execution step 205；
Step 204 combustion gas booster pump is pressurized, and makes upstream pressure be predetermined upstream pressure value, then execution step 210.
Now start combustion gas booster pump and gradually increase the output pressure of combustion gas booster pump, until when the upstream pressure of the combustion gas being pressurized by combustion gas booster pump is maintained in the range of default upstream pressure value, meeting demand of the water heater to upstream pressure value.In the present embodiment, predetermined upstream pressure value is 2000Pa, so ensure that upstream pressure value is increased in the range of pressure values needed for gas heater.
Whether step 205 detection combustion gas booster pump is maximum output, if maximum output, then execution step 206, and if not maximum output, then direct execution step 207.
Step 206 control combustion gas booster pump peak power operation.
Whether step 207 detection upstream pressure value detects upstream pressure value less than preset failure, if the execution step 210 more than if, if the execution step 208 less than if.
Step 208 water heater alarm pressure is not enough and can self-examination burn, if can burn, execution step 210, and the execution step 209 if it can not burn.
Step 209 water heater is shut down and sends alarm.
Step 210 constant temperature combustion.
Now check whether combustion gas booster pump is maximum output, while also needing to whether detection upstream pressure value detects upstream pressure value less than preset failure, in detection upstream pressure value whether less than preset failure detection upstream pressure value, the step also includes situations below：
Embodiment five
Please further refer to Fig. 5, Fig. 5 is the flow chart of the fuel gas of fuel gas water heater auto-increasing pressure that the present embodiment is provided.
Based on the fuel gas of fuel gas water heater auto-increasing pressure that the present embodiment is provided by embodiment three, further increase pressure value before after igniting success detecting upstream pressure value more than maximal valve, with determine detection combustion gas booster pump whether real-time motion the step of, and in the present embodiment, upstream pressure value is obtained after gas water heater ignition, and default upstream pressure value scope is set according to upstream pressure value required during gas water heater ignition.
Incorporated by reference to Fig. 4, in the present embodiment, fuel gas of fuel gas water heater auto-increasing pressure includes：
Step 301 obtains the upstream pressure value of proportioning valve；
The upstream pressure value of acquisition is compared by step 302 with preset pressure value scope, when upstream pressure value is less than preset pressure value scope, starts and control combustion gas supercharging pump work；
Step 303 detection upstream pressure value is more than pressure value before maximal valve, while detecting whether combustion gas booster pump operates；The execution step 304 if combustion gas booster pump operates, execution step 305 if inoperative.
In the present embodiment, this step needs to carry out to upstream pressure value for gas heater in use, upstream pressure value is obtained during user is using gas heater, then upstream pressure value is compared with default upstream pressure value scope, before entering upstream pressure value not in the range of default upstream pressure value and being more than maximal valve during pressure value (in the present embodiment, before maximal valve, pressure value is 3000pa), illustrate that the upstream pressure value in admission line reaches upstream pressure value required when gas heater burns, but the upstream pressure value in the admission line may be in safety range, whether now controller detection combustion gas booster pump operates, stop the operating of combustion gas booster pump if combustion gas booster pump operates；Upstream pressure is maintained in the range of default upstream pressure value, meet demand of the water heater to upstream pressure value.
Step 304 stops combustion gas booster pump and rotates.
Step 305 constant temperature of water heater burns.
Note, the ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.It should be understood by those skilled in the art that; the present invention is not limited to the embodiments described above; merely illustrating the principles of the invention described in above-mentioned embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements are both fallen within scope of the claimed invention, and the claimed scope of the present invention is by appending claims and its equivalent thereof.
Claims (10)
1. a kind of fuel gas of fuel gas water heater automatic pressure unit, including controller (1) and controller (1) control
The proportioning valve (2) of system, it is characterised in that the entry/exit QI KOU of the proportioning valve (2) or entry/exit QI KOU are anterior
Blast tube (5) in be disposed with pressure transducer (3) and combustion gas booster pump (4), controller (1)
Receive pressure transducer (3) gaseous-pressure that detects and contrast to control combustion gas booster pump (4) with preset value
Keying or operating.
2. fuel gas of fuel gas water heater automatic pressure unit according to claim 1, it is characterised in that institute
State controller (1) and be connected with alarm device.
3. a kind of fuel gas of fuel gas water heater auto-increasing pressure, uses the combustion as described in claim 1-2 is arbitrary
Gas water heater combustion gas automatic pressure unit, it is characterised in that include：
Obtain the upstream pressure value of proportioning valve；
The upstream pressure value of acquisition is compared with preset pressure value scope, when upstream pressure value is less than preset pressure
During value scope, start and control combustion gas supercharging pump work；
Holding upstream pressure value is in the range of preset pressure value.
4. fuel gas of fuel gas water heater auto-increasing pressure according to claim 3, it is characterised in that institute
Acquisition proportioning valve upstream pressure value is stated, including：Upstream pressure signal is detected by pressure transducer and is passed to
Controller, the controller obtain upstream pressure value according to the upstream pressure signal.
5. the fuel gas of fuel gas water heater auto-increasing pressure according to claim 3 or 4, it is characterised in that
It is described by the upstream pressure value of acquisition compare with preset pressure value including：
The controller sets preset pressure value, and the upstream pressure value of acquisition and the preset pressure value are entered
Row compares.
6. fuel gas of fuel gas water heater auto-increasing pressure according to claim 5, it is characterised in that institute
Stating holding upstream pressure value includes in the range of preset pressure value：
Real-time detection upstream pressure value whether in the range of default upstream pressure value, when upstream pressure value is not pre-
If during upstream pressure value scope, the opening/closing regulation of controller control combustion gas booster pump makes upstream pressure value in default valve
In front range of pressure values.
7. fuel gas of fuel gas water heater auto-increasing pressure according to claim 6, it is characterised in that institute
Stating holding upstream pressure value also includes in the range of preset pressure value：
Whether detection combustion gas booster pump operates.
8. fuel gas of fuel gas water heater auto-increasing pressure according to claim 7, it is characterised in that institute
Stating upstream pressure value does not include in default upstream pressure value scope：
Upstream pressure value is less than pressure value before default minimum valve and upstream pressure value more than pressure before default maximal valve
Force value.
9. fuel gas of fuel gas water heater auto-increasing pressure according to claim 7, it is characterised in that institute
Upstream pressure value is stated less than pressure value before default minimum valve and upstream pressure value more than default maximum upstream pressure
Value includes：
Detection upstream pressure value detects combustion less than when presetting pressure value before minimum valve and when combustion gas booster pump operates
Whether the output of gas booster pump is maximum output；
Detection upstream pressure value is less than during pressure value and combustion gas booster pump is without operating, then starting before default minimum valve
Combustion gas booster pump, makes upstream pressure progressively increase in the range of default upstream pressure value；
Detection upstream pressure value is then controlled more than when presetting pressure value before maximal valve and when combustion gas booster pump operates
Device control combustion gas booster pump shuts down.
10. fuel gas of fuel gas water heater auto-increasing pressure according to claim 9, it is characterised in that
The detection upstream pressure value detects combustion less than when presetting pressure value before minimum valve and when combustion gas booster pump operates
Whether the output of gas booster pump is that maximum output includes：
When detecting that combustion gas booster pump is output as maximum output, whether detection upstream pressure value is less than default event
Barrier detection upstream pressure value；Whether the detection upstream pressure value detects upstream pressure value bag less than preset failure
Include：
When detecting that upstream pressure value detects upstream pressure value less than preset failure, controller sends alarm, carries
Show that user's air pressure is not enough；Controller judge can normal work, if cisco unity malfunction, gas heater stops
Machine simultaneously reports failure.
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| CN201510640505.9A CN106556151B (en) | 2015-09-30 | 2015-09-30 | A kind of fuel gas of fuel gas water heater automatic pressure unit and method |
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| CN201510640505.9A CN106556151B (en) | 2015-09-30 | 2015-09-30 | A kind of fuel gas of fuel gas water heater automatic pressure unit and method |
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| CN106556151B CN106556151B (en) | 2019-10-01 |
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| CN110966766A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
| CN110966767A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
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| CN110966763A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
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| CN110966762A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
| CN110966750A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Supercharged gas water heater and control method |
| CN110966760A (en) * | 2018-09-30 | 2020-04-07 | 青岛经济技术开发区海尔热水器有限公司 | Supercharged gas water heater and control method |
| CN110966762B (en) * | 2018-09-30 | 2022-12-13 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
| CN110966770B (en) * | 2018-09-30 | 2022-12-13 | 青岛经济技术开发区海尔热水器有限公司 | Control method of supercharged gas water heater and gas water heater |
| CN112443964A (en) * | 2019-08-28 | 2021-03-05 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN112443494A (en) * | 2019-08-28 | 2021-03-05 | 青岛经济技术开发区海尔热水器有限公司 | Gas turbine supercharger and gas equipment |
| CN110645713A (en) * | 2019-09-02 | 2020-01-03 | 华帝股份有限公司 | Control method of gas water heater |
| CN113686015A (en) * | 2020-05-18 | 2021-11-23 | 青岛经济技术开发区海尔热水器有限公司 | Zero-cold water gas water heater |
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Effective date of registration: 20200102 Address after: 400000 Chongqing Haier water heater Co., Ltd., Haier Industrial Park, 1 road, Jiangbei District, Jiangbei District, China Patentee after: Chongqing Haier Water Heater Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Patentee before: Haier Water Heater Co., Ltd., Qingdao Economic Zone |