CN103615785B - Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor - Google Patents
Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor Download PDFInfo
- Publication number
- CN103615785B CN103615785B CN201310606791.8A CN201310606791A CN103615785B CN 103615785 B CN103615785 B CN 103615785B CN 201310606791 A CN201310606791 A CN 201310606791A CN 103615785 B CN103615785 B CN 103615785B
- Authority
- CN
- China
- Prior art keywords
- dutycycle
- direct current
- current generator
- air
- filter net
- 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.)
- Active
Links
Abstract
The present invention relates to air-conditioning, object judges that air-conditioning filter net cleanliness factor cost is high, the problem that cannot effectively judge to solve prior art.The device utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor of the present invention, comprising: DC motor speed acquisition module, for gather direct current generator work time rotating speed and send to central processing module; Central processing module, according to the real-time dutycycle numerical value of the rotating speed calculating direct current generator work that DC motor speed acquisition module sends, the difference of this dutycycle numerical value with the standard dutycycle pre-set is compared with the ceiling value of the duty cycle difference preset, judges that whether air-conditioning filter net is clean according to result; Central processing module is connected with DC motor speed acquisition module.The present invention also provides a kind of method utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor, and the present invention is applicable to air-conditioning.
Description
Technical field
The present invention relates to air-conditioning, particularly indoor fan adopts the air-conditioning of direct current generator.
Background technology
After air-conditioning filter net is dirty, directly affect the performance of air-conditioner.At present in the domestic and international method judging air-conditioning filter net cleanliness factor, the change of general employing blower fan electric current judges that whether screen pack is dirty, and the method needs to increase current inductor, and cost is high, cannot effectively implement.
Summary of the invention
The object of the invention is to judge that air-conditioning filter net cleanliness factor cost is high to solve prior art, effectively cannot judge the problem of air-conditioning filter net cleanliness factor.
For achieving the above object, the invention provides a kind of device utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor, comprising:
DC motor speed acquisition module, for gather direct current generator work time rotating speed and pass to central processing module;
Central processing module, according to the real-time dutycycle numerical value of the rotating speed calculating direct current generator work that DC motor speed acquisition module transmits, the difference of this dutycycle numerical value with the standard dutycycle pre-set is compared with the ceiling value of the duty cycle difference preset, judges the whether clean of air-conditioning filter net according to result;
Described central processing module is connected with described DC motor speed acquisition module.
Further, also comprise display module, for the judged result of output display central processing module, namely whether air-conditioning filter net is clean, and described display module is connected with central processing module.
Particularly, described display module is LED or digital display tube or display.
Particularly, described central processing module is micro-control unit.
The present invention also provides a kind of method utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor, comprises the steps:
A., the ceiling value of direct current generator normal standard duty corresponding when running when duty cycle difference under different rotating speeds is set in central processing module;
B. the real-time rotate speed of direct current generator gathers to central processing module by DC motor speed acquisition module;
C. central processing module calculates direct current generator dutycycle according to the real-time rotate speed of direct current generator, calculate the difference of this dutycycle and default standard dutycycle, and the ceiling value of this difference with the duty cycle difference preset is compared, judge that whether air-conditioning filter net is clean according to result.
Particularly, in step c, if the direct current generator dutycycle calculated is greater than the ceiling value of default duty cycle difference with the difference of the direct current generator dutycycle preset, then show that air-conditioning filter net is unholiness.
Further, also comprise the steps: after step c that the result that the air-conditioning filter net of judgement is whether clean is outputted to display module and shows by central processing module.
The invention has the beneficial effects as follows: a kind of method and apparatus is provided, by the change of direct current generator dutycycle, effectively can judge the cleanliness factor of air-conditioning filter net, saved judgement cost.
Accompanying drawing explanation
Fig. 1 is that the direct current generator dutycycle that utilizes of embodiment judges the schematic diagram of the device of air-conditioning filter net cleanliness factor.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is further described.
The device utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor of the present invention, comprises DC motor speed acquisition module and central processing module.DC motor speed acquisition module for gather direct current generator work time rotating speed and pass to central processing module; Central processing module calculates the real-time dutycycle numerical value of direct current generator work according to the rotating speed that DC motor speed acquisition module transmits, the difference of this dutycycle numerical value with the standard dutycycle pre-set is compared with the ceiling value of the duty cycle difference preset, judges the whether clean of air-conditioning filter net according to result; Central processing module is connected with DC MOTOR CONTROL module and DC motor speed acquisition module respectively.
The method utilizing direct current generator dutycycle to judge air-conditioning filter net cleanliness factor of the present invention, comprise the steps: the first step, the ceiling value of direct current generator normal standard duty corresponding when running when duty cycle difference under different rotating speeds is set in central processing module; Second step, the real-time rotate speed of direct current generator gathers to central processing module by DC motor speed acquisition module; 3rd step, central processing module calculates direct current generator dutycycle according to the real-time rotate speed of direct current generator, calculate the difference of this dutycycle and default standard dutycycle, and the ceiling value of this difference with the duty cycle difference preset is compared, judge that whether air-conditioning filter net is clean according to result.
Embodiment
Composition graphs 1, describes the workflow utilizing direct current generator dutycycle to judge the device of air-conditioning filter net cleanliness factor of the present invention in detail.
When cleanliness of filter screen changes, the load of direct current generator just changes, the change ratio of cleanliness factor change ratio and dutycycle has functional relation, if time the difference of two dutycycles exceedes a certain proportion of, illustrate that direct current generator load significant change occurs, cleanliness of filter screen is very poor.
First user arranges the ceiling value of direct current generator normal standard duty corresponding when running when duty cycle difference under different rotating speeds in central processing module.After air-conditioning is opened, user can be arranged the rotating speed of direct current generator as required, the real-time rotate speed of direct current generator gathers to central processing module by DC motor speed acquisition module, central processing module calculates the dutycycle of direct current generator according to the rotating speed obtained, the difference of this dutycycle with the standard dutycycle preset is compared with the ceiling value of the difference of the dutycycle preset, if difference is greater than the ceiling value of duty cycle difference, illustrate that the cleanliness factor of air-conditioning filter net is very poor, now, the object information of air-conditioning filter net cleanliness factor difference is sent to display module and shows by central processing module.
Claims (7)
1. utilize direct current generator dutycycle to judge the device of air-conditioning filter net cleanliness factor, it is characterized in that, comprising:
DC motor speed acquisition module, for gather direct current generator work time rotating speed and send to central processing module;
Central processing module, according to the real-time dutycycle numerical value of the rotating speed calculating direct current generator work that DC motor speed acquisition module sends, the difference of this dutycycle numerical value with the standard dutycycle pre-set is compared with the ceiling value of the duty cycle difference preset, judges that whether air-conditioning filter net is clean according to result;
Described central processing module is connected with described DC motor speed acquisition module.
2. utilize direct current generator dutycycle to judge the device of air-conditioning filter net cleanliness factor as claimed in claim 1, it is characterized in that, also comprise display module, for the judged result of output display central processing module, namely whether air-conditioning filter net is clean, and described display module is connected with central processing module.
3. utilize direct current generator dutycycle to judge the device of air-conditioning filter net cleanliness factor as claimed in claim 2, it is characterized in that, described display module is LED or digital display tube or display.
4. the direct current generator dutycycle that utilizes as described in claim 1 or 2 or 3 judges the device of air-conditioning filter net cleanliness factor, it is characterized in that, described central processing module is micro-control unit.
5. utilize direct current generator dutycycle to judge the method for air-conditioning filter net cleanliness factor, it is characterized in that, comprise the steps:
A., the ceiling value of direct current generator normal standard duty corresponding when running when duty cycle difference under different rotating speeds is set in central processing module;
B. the real-time rotate speed of direct current generator gathers to central processing module by DC motor speed acquisition module;
C. central processing module calculates direct current generator dutycycle according to the real-time rotate speed of direct current generator, calculate the difference of this dutycycle and default standard dutycycle, and the ceiling value of this difference with the duty cycle difference preset is compared, judge that whether air-conditioning filter net is clean according to result.
6. utilize direct current generator dutycycle to judge the method for air-conditioning filter net cleanliness factor as claimed in claim 5, it is characterized in that, in step c, if the direct current generator dutycycle calculated is greater than the ceiling value of default duty cycle difference with the difference of the direct current generator dutycycle preset, then show that air-conditioning filter net is unholiness.
7. the direct current generator dutycycle that utilizes as described in claim 5 or 6 judges the method for air-conditioning filter net cleanliness factor, it is characterized in that, after step c, also comprise the steps: that the result that the air-conditioning filter net of judgement is whether clean is outputted to display module and shows by central processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310606791.8A CN103615785B (en) | 2013-11-25 | 2013-11-25 | Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310606791.8A CN103615785B (en) | 2013-11-25 | 2013-11-25 | Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615785A CN103615785A (en) | 2014-03-05 |
| CN103615785B true CN103615785B (en) | 2015-11-04 |
Family
ID=50166494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310606791.8A Active CN103615785B (en) | 2013-11-25 | 2013-11-25 | Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103615785B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016011617A1 (en) * | 2014-07-23 | 2016-01-28 | 中山大洋电机股份有限公司 | Filter screen clogging detection method for air supply device and air supply device using same |
| CN105352027B (en) * | 2014-08-21 | 2018-02-06 | 广东美的制冷设备有限公司 | Air conditioner room unit and its dirty blocking control method |
| CN104833050B (en) * | 2015-04-28 | 2017-12-22 | 广东美的制冷设备有限公司 | Detection means, the method for air regulator and its screen pack laying dust degree |
| CN104990201B (en) * | 2015-05-29 | 2018-02-16 | 广东美的制冷设备有限公司 | The dirty stifled detection method and device of air conditioner |
| CN105841295A (en) * | 2016-03-28 | 2016-08-10 | 海信（山东）空调有限公司 | Filter screen service life detecting method and device |
| CN108079701B (en) * | 2016-11-21 | 2020-11-06 | 苏州三星电子有限公司 | Method and system for detecting dust deposition degree of filter screen |
| CN108286772A (en) * | 2017-12-21 | 2018-07-17 | 珠海格力电器股份有限公司 | Air conditioning control method, device and air-conditioning |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154323A (en) * | 1991-12-10 | 1993-06-22 | Rinnai Corp | Method for detecting clogging of filter |
| JPH08224425A (en) * | 1996-01-16 | 1996-09-03 | Rinnai Corp | Method for detecting filter clogging |
| US5810908A (en) * | 1997-05-02 | 1998-09-22 | Bemis Manufacturing Company | Electronic control for air filtering apparatus |
| JPH10309422A (en) * | 1997-05-14 | 1998-11-24 | Matsushita Seiko Co Ltd | Apparatus for detecting clogging of filter |
| JPH1183114A (en) * | 1997-09-08 | 1999-03-26 | Sanden Corp | Ventilator |
| KR20040091821A (en) * | 2003-04-22 | 2004-11-02 | 주식회사 위닉스 | Intelligent control system for air cleaner |
| CN101318092A (en) * | 2008-04-10 | 2008-12-10 | 上海威乐汽车空调器有限公司 | Method for detecting filter stoppage of automobile air conditioner |
| KR20100005501A (en) * | 2008-07-07 | 2010-01-15 | 웅진코웨이주식회사 | System and method for judging the noninstalling of humidification filter of natural humidification air cleaner |
| KR20120052728A (en) * | 2010-11-16 | 2012-05-24 | 엘지전자 주식회사 | Method for filter clogging detection in air conditioner |
-
2013
- 2013-11-25 CN CN201310606791.8A patent/CN103615785B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154323A (en) * | 1991-12-10 | 1993-06-22 | Rinnai Corp | Method for detecting clogging of filter |
| JPH08224425A (en) * | 1996-01-16 | 1996-09-03 | Rinnai Corp | Method for detecting filter clogging |
| US5810908A (en) * | 1997-05-02 | 1998-09-22 | Bemis Manufacturing Company | Electronic control for air filtering apparatus |
| JPH10309422A (en) * | 1997-05-14 | 1998-11-24 | Matsushita Seiko Co Ltd | Apparatus for detecting clogging of filter |
| JPH1183114A (en) * | 1997-09-08 | 1999-03-26 | Sanden Corp | Ventilator |
| KR20040091821A (en) * | 2003-04-22 | 2004-11-02 | 주식회사 위닉스 | Intelligent control system for air cleaner |
| CN101318092A (en) * | 2008-04-10 | 2008-12-10 | 上海威乐汽车空调器有限公司 | Method for detecting filter stoppage of automobile air conditioner |
| KR20100005501A (en) * | 2008-07-07 | 2010-01-15 | 웅진코웨이주식회사 | System and method for judging the noninstalling of humidification filter of natural humidification air cleaner |
| KR20120052728A (en) * | 2010-11-16 | 2012-05-24 | 엘지전자 주식회사 | Method for filter clogging detection in air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615785A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103615785B (en) | Direct current generator dutycycle is utilized to judge method and the device of air-conditioning filter net cleanliness factor | |
| CN104110781B (en) | Air conditioner and filth blockage detection control method and device therefor | |
| CN203869253U (en) | Air conditioner and filth blockage detection control device thereof | |
| CN106482283A (en) | A kind of intelligent reminding cleans the apparatus and method of air-conditioning filter net | |
| CN102095232A (en) | Air conditioner with filter screen cleaning prompt function and filter screen cleaning prompt method thereof | |
| CN103196212B (en) | Brushless electric machine air-conditioning system indoor motor control circuit | |
| CN103389407A (en) | Mains supply detecting device | |
| CN106645880A (en) | Method and device for estimating ripple current of capacitor, control method and device for variable frequency air-conditioner, frequency converter and variable frequency air-conditioner | |
| CN104110763B (en) | Air conditioner, indoor unit and alternating-current overvoltage detection device thereof | |
| CN103199496B (en) | Motor speed regulating voltage Vsp cut-off circuit of air conditioning system of brushless motor | |
| CN102545746A (en) | Novel speed regulator for automotive air conditioner fan and working method thereof | |
| CN105553344A (en) | Three-phase brushless motor controller without position sensor and control method of three-phase brushless motor controller | |
| CN203771505U (en) | Range hood capable of automatically adjusting speed and pressurizing | |
| CN103199776A (en) | Circuit for switching fixed rotating speed and adjustable rotating speed of outdoor direct-current motor of air-conditioner | |
| CN104734599A (en) | Air conditioner alternating-current motor control method and device and air conditioner | |
| CN202665414U (en) | Simple, easy and automatic hand drier | |
| CN102843531B (en) | Drive control circuit and television set | |
| CN204595505U (en) | A kind of integral control system based on car refrigerator | |
| CN202673729U (en) | Simple natural wind simulating device for electric fans | |
| CN203130568U (en) | Timed speed-adjustable exhaust fan | |
| CN202510328U (en) | Transistor-based electronic air pressure switch for air compressor | |
| CN204031031U (en) | A kind of high-voltage brushless direct current machine | |
| CN205157739U (en) | Full -automatic diesel generator detecting system | |
| CN204534984U (en) | A kind ofly automatically can detect and show the device of air-conditioning power consumption | |
| CN205066047U (en) | Automatic economizer system of air conditioner reaches and allies oneself with air conditioner more |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |