CN204202138U - One takes out by force type gas heater - Google Patents
One takes out by force type gas heater Download PDFInfo
- Publication number
- CN204202138U CN204202138U CN201420569856.6U CN201420569856U CN204202138U CN 204202138 U CN204202138 U CN 204202138U CN 201420569856 U CN201420569856 U CN 201420569856U CN 204202138 U CN204202138 U CN 204202138U
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- blower fan
- fan
- master controller
- heat exchanger
- burner
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Abstract
The open one of the utility model takes out by force type gas heater, and comprising: burner, heat exchanger, blower fan and master controller, described burner, heat exchanger and blower fan link together, and the flue gas that burner produces is discharged after heat exchanger and blower fan; It is characterized in that, described blower fan is without Hall DC fan, and described master controller and burner, heat exchanger, blower fan are provided separately, and the control panel of blower fan is integrated on master controller; Master controller is provided with blower fan drive IC and counter electromotive force detection circuit, and described counter electromotive force detection circuit is connected with without Hall DC fan and blower fan drive IC.Compared with prior art, it is long that the utility model has service life of fan, and Wind-Pressure Resistance is effective, runs the feature that noise is little.
Description
Technical field
The utility model relates to gas heater technical field, particularly relates to a kind of type of taking out by force gas heater used without Hall DC fan.
Background technology
Taking out by force type gas heater all adopts single speed alternating current generator to get rid of burnt gas, and rotation speed of fan is constant can not speed governing.Because during Smaller load, single-speed motor wind speed is not done to change, air quantity relative surplus, takes away too much calory burning, and therefore the thermal efficiency can be on the low side relative to peak load.
During water heater working, its noise mainly comprises combustion noise, current noise and fan operation noise.Under the condition that current are certain, current noise can be approximately constant, and when Smaller load runs, combustion noise reduces with load and diminishes, and therefore during Smaller load burning, main manifestations is fan operation noise.If can reduce and effectively reduce rotation speed of fan, complete machine noise will be improved significantly.
At present, taking out by force type gas heater is adopt blast switch to judge burning cavity pressure substantially, and the automatic alarm when detecting that blast reaches blast switch operating point, belongs to passive type Wind-Pressure Resistance.And blast switch quality is unstable at present, easily causes misoperation or does not have protective effect, improve water heater fault rate.
For some defects of taking out by force the existence of type gas heater, there is structure DC fan being applied to strong pump type gas heater in industry, if one section of notification number is for as described in the Chinese patent of CN102538174B.For reducing high-temperature flue gas to the impact of the electronic component in DC fan, this patent all does significant improvement to blower fan heatproof structure, air intake runner, such as increases thermal insulation board etc.; But the impact of high-temperature flue gas on electronic element of circuit board can not be eliminated completely.
Summary of the invention
For problems of the prior art, it is long that the purpose of this utility model is to provide a kind of service life of fan, and Wind-Pressure Resistance is effective, type of taking out the by force gas heater that noise is little.
For reaching above object, the utility model adopts following technical scheme.
One takes out by force type gas heater, comprising: burner, heat exchanger, blower fan and master controller, and described burner, heat exchanger and blower fan link together, and the flue gas that burner produces is discharged after heat exchanger and blower fan; It is characterized in that, described blower fan is without Hall DC fan, and described master controller and burner, heat exchanger, blower fan are provided separately, and the control panel of blower fan is integrated on master controller.
Further illustrating as such scheme, master controller is provided with blower fan drive IC and counter electromotive force detection circuit, and described counter electromotive force detection circuit is connected with without Hall DC fan and blower fan drive IC.
Further illustrating as such scheme, described blower fan drive IC with without adopting three IR2101S to be connected between Hall DC fan.
Further illustrating as such scheme, described counter electromotive force detection circuit includes LM339 chip.
Compared with prior art, the one that the utility model provides is taken out by force type gas heater and is had following beneficial effect:
One, adopt without Hall DC fan, without the need to position sensor, the control panel of blower fan can shift out by this way, is incorporated in water heater master controller, avoid the high impact on electronic component in DC speed regulation air-blower control plate of environment for use temperature, improve service life of fan.
Two, counter electromotive force detection circuit real-time tracking is adopted to change without the winding voltage of Hall DC fan, to reach the object of drive motors rotation and measurement of rotating speed.Real-time detection blower fan operating current, when water heater ambient pressure is large, when causing stifled wind, blower fan electric current declines, and stifled wind pressure is larger, DC fan electric current declines more, control program carries out constant current compensation to DC fan electric current, promotes DC motor speed when blocking up wind, promote Wind-Pressure Resistance ability, when the threshold limit value of rotating speed higher than program setting, report blast abnormal failure.Utilize this active Wind-Pressure Resistance scheme, promote and take out by force type gas heater Wind-Pressure Resistance ability.Meanwhile, eliminate blast switch, promote gas heater machine life, reduce complete machine maintenance rate.
Three, the use of DC fan, when water heater Smaller load, adopts slow-speed of revolution wind speed to run, takes out by force type gas heater overall efficiency when can promote Smaller load; Due to complete machine applied load be reduced to a certain degree time, combustion noise reduce, now main manifestations is the operation noise of blower fan, at this moment, the reduction of rotation speed of fan, can significantly reduce Smaller load use time burning operating noise.
Accompanying drawing explanation
Figure 1 shows that type of taking out the by force gas heater structural representation that the utility model provides;
Figure 2 shows that fan drive circuit figure.
Description of reference numerals:
1, burner, 2, heat exchanger, 3, blower fan, 4, master controller.
Detailed description of the invention
For setting forth essence of the present utility model further, by reference to the accompanying drawings detailed description of the invention of the present utility model is described as follows.
As shown in Figure 1, one takes out by force type gas heater, comprising: burner 1, heat exchanger 2, blower fan 3 and master controller 4.Described burner 1, heat exchanger 2 and blower fan 3 link together, and the flue gas that burner 1 produces is discharged after heat exchanger 2 and blower fan 3; Described master controller 4 is provided separately with burner 1, heat exchanger 2, blower fan 3.
Wherein, described blower fan 3 is without Hall DC fan, and the control panel of blower fan 3 is integrated on master controller, avoids control panel to be heated, and affects the electronic component life-span, also can completely cut off the conduction of heat of high-temperature flue gas completely, without the need to increasing heat insulation heatproof structure or material.
As shown in Figure 2, master controller 4 is provided with blower fan drive IC and counter electromotive force detection circuit, described counter electromotive force detection circuit is connected with blower fan 3 and blower fan drive IC, is used for detecting blower fan operating current, and provides foundation for the compensation of blower fan operating current.In the present embodiment, preferred blower fan drive IC is connected with adopting three IR2101S between blower fan 3; Use IR2101S as driving gate, play isolation and level conversion effect.Preferred counter electromotive force detection circuit includes LM339 chip, in driving without Hall, the phase place of back-emf signal after L339 process, is connected in blower fan drive IC, and drive IC is according to detecting that Ha, Hb and Hc signal judges electric phase place and the record rotating speed of blower fan.
Compared with prior art, the one that the present embodiment provides takes out by force type gas heater, adopt without Hall DC fan, canceling position sensor, utilize counter electromotive force detection scheme, the control panel of blower fan can shift out by this way, is incorporated in water heater master controller, avoid the high impact on electronic component in DC speed regulation air-blower control plate of environment for use temperature, improve service life of fan.Relative to taking out by force type single speed AC blower fan, cancel blast switch and detect stifled wind scheme, adopt constant current initiatively Wind-Pressure Resistance mode, when complete machine blocks, blower fan electric current declines, when stifled wind pressure is larger, DC fan electric current declines more, at this moment, master board compensates DC speed regulation blower fan electric current according to the feedback of counter electromotive force detection circuit, remains constant.DC speed regulation rotation speed of fan when significantly can promote stifled wind by contrast, stifled wind pressure is larger, promotes rotating speed wind speed higher, thus lifting Wind-Pressure Resistance ability.Further, when the threshold limit value that rotating speed sets higher than primary controller procedure, the warning of blast abnormal failure can also be carried out, practical.
Above detailed description of the invention has been described in detail essence of the present utility model, but can not limit protection domain of the present utility model with this.Apparently, under the enlightenment of the utility model essence, the art those of ordinary skill also can carry out many improvement and modification, it should be noted that these improve and modify and all drops within claims of the present utility model.
Claims (4)
1. take out by force a type gas heater, comprising: burner, heat exchanger, blower fan and master controller, described burner, heat exchanger and blower fan link together, and the flue gas that burner produces is discharged after heat exchanger and blower fan; It is characterized in that, described blower fan is without Hall DC fan, and described master controller and burner, heat exchanger, blower fan are provided separately, and the control panel of blower fan is integrated on master controller.
2. one according to claim 1 takes out by force type gas heater, it is characterized in that, master controller is provided with blower fan drive IC and counter electromotive force detection circuit, and described counter electromotive force detection circuit is connected with without Hall DC fan and blower fan drive IC.
3. one according to claim 2 takes out by force type gas heater, it is characterized in that, described blower fan drive IC with without adopting three IR2101S to be connected between Hall DC fan.
4. one according to claim 2 takes out by force type gas heater, it is characterized in that, described counter electromotive force detection circuit includes LM339 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569856.6U CN204202138U (en) | 2014-09-29 | 2014-09-29 | One takes out by force type gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569856.6U CN204202138U (en) | 2014-09-29 | 2014-09-29 | One takes out by force type gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204202138U true CN204202138U (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420569856.6U Expired - Fee Related CN204202138U (en) | 2014-09-29 | 2014-09-29 | One takes out by force type gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204202138U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180452A (en) * | 2015-09-21 | 2015-12-23 | 广东超人节能厨卫电器有限公司 | Time sequence control method for fast starting strong pumping type constant-temperature fuel gas water heater |
| CN105222357A (en) * | 2015-09-21 | 2016-01-06 | 广东超人节能厨卫电器有限公司 | A kind of quick start method of forced-ventilated gas fast water heater |
| CN105241069A (en) * | 2015-10-13 | 2016-01-13 | 广东超人节能厨卫电器有限公司 | Time sequence control method for quickly starting short front cleaning forced-ventilation water heater |
| CN105352187A (en) * | 2015-11-06 | 2016-02-24 | 广东万家乐燃气具有限公司 | Gas inflow method for gas water heater and gas water heater |
| CN105674576A (en) * | 2016-03-10 | 2016-06-15 | 广东超人节能厨卫电器有限公司 | Control method for realizing quick starting of water heater through gas concentration detection |
| CN105757994A (en) * | 2016-01-18 | 2016-07-13 | 广东万家乐燃气具有限公司 | Gas water heater self-adaption wind pressure resisting control method and system |
| CN105928212A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Sequential control method for quick starting of direct-current forced pumping gas water heater |
| CN106595049A (en) * | 2017-01-13 | 2017-04-26 | 广东万家乐燃气具有限公司 | Direct-current frequency-conversion fan assembly of strong-pumping condensation water heater |
| CN106839433A (en) * | 2017-01-13 | 2017-06-13 | 广东万家乐燃气具有限公司 | A kind of the strong of DC frequency-changing blower fan structure takes out condensation water heater |
| CN106885378A (en) * | 2017-03-31 | 2017-06-23 | 广东万和新电气股份有限公司 | Gas heater wind resistance pressure control system |
| CN109186080A (en) * | 2018-10-25 | 2019-01-11 | 广东万家乐燃气具有限公司 | A kind of noise reduction activation system and strong pumping type gas heater |
| CN110081615A (en) * | 2019-04-26 | 2019-08-02 | 广东万家乐燃气具有限公司 | A kind of gas heater master controller, blower fan control system and gas heater |
| CN110749105A (en) * | 2019-10-18 | 2020-02-04 | 华帝股份有限公司 | Active noise reduction fuel gas water heating device and method |
-
2014
- 2014-09-29 CN CN201420569856.6U patent/CN204202138U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222357B (en) * | 2015-09-21 | 2018-06-01 | 广东超人节能厨卫电器有限公司 | A kind of quick start method of forced-ventilated gas fast water heater |
| CN105222357A (en) * | 2015-09-21 | 2016-01-06 | 广东超人节能厨卫电器有限公司 | A kind of quick start method of forced-ventilated gas fast water heater |
| CN105180452A (en) * | 2015-09-21 | 2015-12-23 | 广东超人节能厨卫电器有限公司 | Time sequence control method for fast starting strong pumping type constant-temperature fuel gas water heater |
| CN105180452B (en) * | 2015-09-21 | 2018-07-27 | 广东超人节能厨卫电器有限公司 | A kind of sequential control method that forced-ventilated gas water heater quickly starts |
| CN105241069A (en) * | 2015-10-13 | 2016-01-13 | 广东超人节能厨卫电器有限公司 | Time sequence control method for quickly starting short front cleaning forced-ventilation water heater |
| CN105241069B (en) * | 2015-10-13 | 2018-07-24 | 广东超人节能厨卫电器有限公司 | A kind of short preceding sequential control method for cleaning forced-ventilated water heater and quickly starting |
| CN105352187A (en) * | 2015-11-06 | 2016-02-24 | 广东万家乐燃气具有限公司 | Gas inflow method for gas water heater and gas water heater |
| CN105757994A (en) * | 2016-01-18 | 2016-07-13 | 广东万家乐燃气具有限公司 | Gas water heater self-adaption wind pressure resisting control method and system |
| CN105674576A (en) * | 2016-03-10 | 2016-06-15 | 广东超人节能厨卫电器有限公司 | Control method for realizing quick starting of water heater through gas concentration detection |
| CN105928212B (en) * | 2016-05-10 | 2018-07-06 | 广东超人节能厨卫电器有限公司 | The sequential control method that a kind of strong suction gas water heater of direct current quickly starts |
| CN105928212A (en) * | 2016-05-10 | 2016-09-07 | 广东超人节能厨卫电器有限公司 | Sequential control method for quick starting of direct-current forced pumping gas water heater |
| CN106839433A (en) * | 2017-01-13 | 2017-06-13 | 广东万家乐燃气具有限公司 | A kind of the strong of DC frequency-changing blower fan structure takes out condensation water heater |
| CN106595049A (en) * | 2017-01-13 | 2017-04-26 | 广东万家乐燃气具有限公司 | Direct-current frequency-conversion fan assembly of strong-pumping condensation water heater |
| CN106885378A (en) * | 2017-03-31 | 2017-06-23 | 广东万和新电气股份有限公司 | Gas heater wind resistance pressure control system |
| CN106885378B (en) * | 2017-03-31 | 2020-09-25 | 广东万和新电气股份有限公司 | Wind pressure resistant control system of gas water heater |
| CN109186080A (en) * | 2018-10-25 | 2019-01-11 | 广东万家乐燃气具有限公司 | A kind of noise reduction activation system and strong pumping type gas heater |
| CN109186080B (en) * | 2018-10-25 | 2024-07-12 | 广东万家乐燃气具有限公司 | Noise reduction starting system and forced extraction type gas water heater |
| CN110081615A (en) * | 2019-04-26 | 2019-08-02 | 广东万家乐燃气具有限公司 | A kind of gas heater master controller, blower fan control system and gas heater |
| CN110749105A (en) * | 2019-10-18 | 2020-02-04 | 华帝股份有限公司 | Active noise reduction fuel gas water heating device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20190929 |