CN105928140B - A kind of method and apparatus detecting filter core clean level - Google Patents
A kind of method and apparatus detecting filter core clean level Download PDFInfo
- Publication number
- CN105928140B CN105928140B CN201610270272.2A CN201610270272A CN105928140B CN 105928140 B CN105928140 B CN 105928140B CN 201610270272 A CN201610270272 A CN 201610270272A CN 105928140 B CN105928140 B CN 105928140B
- Authority
- CN
- China
- Prior art keywords
- filter core
- value
- reference value
- preset reference
- sample voltage
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of method and devices for detecting filter core clean level, and the described method comprises the following steps: the current value is converted to voltage value, obtains sample voltage value by step S1, the current value of detection blower fan；Step S2, judges whether the sample voltage value is lower than the first preset reference value；Step S3 then determines that the clean level that filter core at the fan outlet is arranged in reaches critical value when the sample voltage value is lower than first preset reference value, and sends the control instruction of replacement filter core to terminal device.The present invention by detecting the service life of filter core based on the curent change of blower, avoid simple computation filter core and judge using the time filter element life and caused by judge the problem of inaccuracy, can notify in time user when filter core reaches service life；The present invention can prevent filter core from replacing the forfeiture for bringing fresh air filter effect not in time, in turn avoid filter core also within the service life just replacement filter core and caused by waste.
Description
Technical field
The present invention relates to air purification fields, test power of fan more particularly to passing through in air purifier or fresh air system
The method and apparatus for changing to detect filter element clean level.
Background technique
Fresh air system is that outdoor fresh air is introduced to interior, and avoidable room air carbon dioxide content is excessively high, simultaneously
The substance that formaldehyde, VOC and benzene caused by dilution interior decoration and furniture etc. is harmful to the human body, is used primarily in family, school and does
The places such as public building.
Outdoor pollutant can also be introduced, especially be existed while introducing outdoor fresh air by fresh air system
When the exceeded serious weather of the particulate matters such as PM2.5, PM10.So filter element is the important component of fresh air system, while
It is a kind of consumptive material, pollution is more serious, and the more, then the frequency for replacing filter core should be higher for change air capacity.
Filter core specifically detects when that replacement is a difficult point as the barrier for stopping particulate matter in fresh air system.If more
It changes not in time, filter efficiency reduces, and the quality of blower into fresh air declines, and indoor air quality is deteriorated, and can not play new blower
Effect.If filter element life arrives not yet, replacing filter core in advance will cause the waste of material, increase use cost.So needing
A kind of simplicity, reliable way detect the service life of filter core.Currently, common detection mode is the face by estimating filter core
Color depth shallowly calculates the time that uses of filter core, or according to monitor air pollution degree and is used in combination the time and judges filter core
Service life.But these methods or cumbersome and inconvenient or service condition under different pollution levels can not be differentiated.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of detection filter core clean level
Method and apparatus.
The technical scheme to solve the above technical problems is that a kind of method for detecting filter core clean level, including
Following steps:
The current value is converted to voltage value, obtains sample voltage value by step S1, the current value of detection blower fan；
Step S2, judges whether the sample voltage value is lower than the first preset reference value；
Step S3 then determines to be arranged in the blower when the sample voltage value is lower than first preset reference value
The clean level of filter core at air outlet reaches critical value, and sends the control instruction of replacement filter core to terminal device.
The beneficial effects of the present invention are: the present invention detects the use longevity of filter core by changing based on the current value of blower
Life, avoid simple computation filter core and judge using the time filter element life and caused by judge the problem of inaccuracy, can filter
When core reaches service life, user is notified in time；The present invention can prevent filter core from replacing not in time and bring fresh air filter effect
Lose, in turn avoid filter core also within the service life just replacement filter core and caused by waste.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the first preset reference value described in the step S2 obtains in the following manner: when the filter core reaches
When service life, within a preset period of time, the current value of blower described in repeated detection is averaged, and is converted to the first default base
Quasi- value.
Further, the sample voltage value is that n times detect the current value of the blower and convert within a preset period of time
The n sample voltage value arrived, n are the positive integer more than or equal to 3；
The step S3 further include: when judging to have in n sample voltage values m sample voltage value to be lower than described the
When one preset reference value and m/n are more than or equal to preset percentage, the control instruction of replacement filter core is sent to terminal device.
Beneficial effect using above-mentioned further scheme is: by within a preset period of time, the electric current of repeated detection blower
Value, is converted to multiple sample voltage values, just judges whether filter core needs replacing, blow to avoid outdoor in the short time, air pressure
It is judged by accident caused by the reasons such as variation, alternating current shakiness.
Further, the step S3 further include: when the sample voltage value is greater than first preset reference value and is less than
When second preset reference value, then determine that it is clean state that the state of the filter core at the fan outlet, which is arranged in, concurrently
Send state of filter element to terminal device.
Beneficial effect using above-mentioned further scheme is:, can accurate judgement filter core by the way that the second preset reference value is arranged
Clean level.
Further, the step S3 further include: when judging there is a sample voltage value to exist in n sample voltage values
Between first preset reference value and second preset reference value and when a/n is more than or equal to preset percentage, then calculate
To the clean level value of the filter core, and it is sent to terminal device；
Wherein second preset reference value obtains in the following manner: when the filter core is completely new, in preset time
In section, the current value of blower described in repeated detection is averaged, and the second preset reference value is converted to.
A kind of device detecting filter core clean level, comprising:
The current value is converted to voltage value for detecting the current value of the blower by detection module, obtains sampling electricity
Pressure value；
Judgment module, for judging whether the sample voltage value is lower than the first preset reference value；
Control module, for when the sample voltage value is lower than first preset reference value, then determining to be arranged in institute
The clean level for stating the filter core at fan outlet reaches critical value, and sends the control instruction of replacement filter core to terminal device；
Terminal device, for showing the control instruction.
The beneficial effects of the present invention are: the present invention detects filter core by the current value variation of detection module detection blower fan
Service life, avoid simple computation filter core and judge using the time filter element life and caused by judge the problem of inaccuracy, energy
Enough when filter core reaches service life, user is notified in time；The present invention can prevent from filter core from replacing not in time fresh air is brought to filter
The forfeiture of effect, in turn avoid filter core also within the service life just replacement filter core and caused by waste.
Further, the first preset reference value in the judgment module obtains in the following manner: when the filter core reaches
When service life, within a preset period of time, the current value of blower described in repeated detection is averaged, and is converted to the first default base
Quasi- value.
Further, the sample voltage value is that n times detect the current value of the blower and convert within a preset period of time
The n sample voltage value arrived, n are the positive integer more than or equal to 3；
The control module is also used to, when judging to have in n sample voltage values described in m sample voltage value be lower than
When first preset reference value and m/n are more than or equal to preset percentage, the control instruction of replacement filter core is sent to terminal device.
Beneficial effect using above-mentioned further scheme is: by within a preset period of time, repeatedly obtaining the electric current of blower
Value, just judges whether filter core needs replacing, and blows to avoid outdoor in the short time, the reasons such as air pressure change, alternating current shakiness cause
Erroneous judgement.
Further, the control module is also used to, when the sample voltage value is greater than first preset reference value and small
When second preset reference value, then determine that it is clean state that the state of the filter core at the fan outlet, which is arranged in, and
State of filter element is sent to terminal device.
Further, the judgment module is also used to, when judging there be a sample voltage value in n sample voltage values
Between first preset reference value and second preset reference value and when a/n is more than or equal to preset percentage, then calculate
The clean level value of the filter core is obtained, and is sent to terminal device；
Wherein second preset reference value obtains in the following manner: when the filter core is completely new, in preset time
In section, the current value of blower described in repeated detection is averaged, and the second preset reference value is converted to.
Beneficial effect using above-mentioned further scheme is:, can accurate judgement filter core by the way that the second preset reference value is arranged
Clean level.
Detailed description of the invention
Fig. 1 is the flow chart of the method for the present embodiment 1；
Fig. 2 is the flow chart of the method for the present embodiment 2；
Fig. 3 is the connection block diagram of the device of the present embodiment.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1
As shown in Figure 1, a kind of method for detection filter core clean level that the present embodiment is said, comprising the following steps:
The current value is converted to voltage value, obtains sample voltage value by step S1, the current value of detection blower fan；
Step S2, judges whether the sample voltage value is lower than the first preset reference value；
Step S3 then determines to be arranged in the blower when the sample voltage value is lower than first preset reference value
The clean level of filter core at air outlet reaches critical value, and sends the control instruction of replacement filter core to terminal device.
The present embodiment detects the service life of filter core by changing based on the current value of blower, avoids simple computation filter
Core judge filter element life using the time and caused by judge the problem of inaccuracy, can when filter core reaches service life, and
Shi Tongzhi user；The present invention can prevent filter core from replacing the forfeiture for bringing fresh air filter effect not in time, in turn avoid filter core also
Within the service life just replacement filter core and caused by waste.
Embodiment 2
As shown in Fig. 2, a kind of method of detection filter core clean level described in the present embodiment, comprising the following steps:
Step S1, within a preset period of time, n times detect the current value of the blower, and convert potential circuit by electric current
Post-sampling obtains n sample voltage value of blower, and n is the positive integer more than or equal to 3；
Step S2, when the filter core reaches service life, within a preset period of time, the electric current of blower described in repeated detection
Value converts potential circuit post-sampling by electric current and obtains multiple voltage values, and it is pre- averagely to be obtained first to multiple voltage values
If a reference value；Judge whether the sample voltage value is lower than the first preset reference value；
Step S3, when judging there is m sample voltage value to be lower than first preset reference in n sample voltage values
Value and when m/n is more than or equal to preset percentage, then determine that the clean level that filter core at the fan outlet is arranged in reaches
Critical value, and the control instruction of replacement filter core is sent to terminal device；Preset percentage is 66.7%；
When judge a sample voltage values first preset reference value and second preset reference value it
Between, a is less than or equal to n, if a/n is more than or equal to preset percentage, the clean level value of the filter core is calculated, and be sent to
Terminal device.Wherein second preset reference value obtains in the following manner: when the filter core is completely new, in preset time
In section, the voltage of blower described in repeated detection is averaged, and the second preset reference value is obtained.
The present embodiment detects the service life of filter core by changing based on the current value of blower, avoids simple computation filter
Core judge filter element life using the time and caused by judge the problem of inaccuracy, can when filter core reaches service life, and
Shi Tongzhi user；The present embodiment can prevent filter core from replacing the forfeiture for bringing fresh air filter effect not in time, in turn avoid filter core
Also within the service life just replacement filter core and caused by waste.It, can accurate judgement filter core by the way that the second preset reference value is arranged
Clean level.The present embodiment is by the way that within a preset period of time, the voltage value of repeated detection blower just judges whether filter core needs
Replacement is blown, erroneous judgement caused by the reasons such as air pressure change, alternating current shakiness to avoid outdoor in the short time.
The embodiment of the present invention step S1 further include: the current value that the blower is acquired by current detecting chip passes through
Electric current converts potential circuit and the current value is converted to voltage value.
Embodiment 3
As shown in figure 3, a kind of device of detection filter core clean level of the present embodiment, comprising:
The current value is converted to voltage value for detecting the current value of the blower by detection module, obtains sampling electricity
Pressure value；
Judgment module, for judging whether the sample voltage value is lower than the first preset reference value；
Control module, for when the sample voltage value is lower than first preset reference value, then determining to be arranged in institute
The clean level for stating the filter core at fan outlet reaches critical value, and sends the control instruction of replacement filter core to terminal device；
Terminal device, for showing the control instruction.
The present embodiment changes to detect the service life of filter core by detection module detection blower fan current value, avoids simple
Calculate filter core judge filter element life using the time and caused by judge the problem of inaccuracy, service life can be reached in filter core
When, user is notified in time；The present embodiment can prevent filter core from replacing the forfeiture for bringing fresh air filter effect not in time, in turn avoid
Filter core also within the service life just replacement filter core and caused by waste.
Embodiment 4
As shown in figure 3, a kind of device of detection filter core clean level of the present embodiment, comprising:
Detection module, within a preset period of time, n times to detect the current value of the blower, and convert electricity by electric current
Volt circuit post-sampling obtains n sample voltage value, and n is the positive integer more than or equal to 3；
Judgment module, for when the filter core reaches service life, within a preset period of time, blower described in repeated detection
Current value, potential circuit post-sampling is converted by electric current and obtains multiple voltage values, and is averaged, obtains to multiple voltage values
First preset reference value；It is also used to judge whether the sample voltage value is lower than the first preset reference value；
Control module judges have m sample voltage value pre- lower than described first in the n sample voltage values for working as
If a reference value and m/n are more than or equal to preset percentage, the control instruction of replacement filter core is sent to terminal device；
When judge a sample voltage values first preset reference value and second preset reference value it
Between, a is less than or equal to n, if a/n is more than or equal to preset percentage, the clean level value of the filter core is calculated, and be sent to
Terminal device；Wherein second preset reference value obtains in the following manner: when the filter core is completely new, in preset time
In section, the current value of blower described in repeated detection, and potential circuit post-sampling is converted by electric current and obtains multiple voltage values, to more
A voltage value is averaged, and the second preset reference value is obtained；
Terminal device, for showing the control instruction.
The present embodiment changes to detect the service life of filter core by detection module detection blower fan current value, avoids simple
Calculate filter core judge filter element life using the time and caused by judge the problem of inaccuracy, service life can be reached in filter core
When, user is notified in time；The present embodiment can prevent filter core from replacing the forfeiture for bringing fresh air filter effect not in time, in turn avoid
Filter core also within the service life just replacement filter core and caused by waste.
The embodiment of the present invention detection module further include:
Current detecting chip, for acquiring the current value of the blower；
Electric current converts potential circuit, for the current value to be converted to voltage value.
The embodiment of the present invention terminal device is mobile phone and tablet computer.
The delivery outlet of airflow channel of the fixed limit of the filter core of the present embodiment in fresh air system, blower use centrifugal blower,
When blower operates, outdoor air is sent into airflow channel, particulate matter of the filter core in the end filtration air of airflow channel, filtering
Clean air afterwards enters the room.Power of fan W=(Q/3600) ˙ P/ (1000 ˙ η) ˙ K, (its of the centrifugal blower of the present embodiment
In, air quantity Q unit is m3/ h, total pressure P unit are Pa, and power W unit is kW, and η is fan efficiency, and K is machinery driving efficiency).
After filter core has adsorbed enough particulate matters, resistance be will increase, and the air inlet of centrifugal blower can be reduced therewith, and air quantity Q is caused also to reduce,
The total pressure P (mainly static pressure) of centrifugal blower increases simultaneously.Under constant speed mode, fan efficiency η and machinery driving efficiency K are permanent
Definite value.The then reduction speed for increasing speed and being much smaller than air quantity Q of the total pressure P of centrifugal blower.So the power W of centrifugal blower with
Increasing for total pressure P reduces instead.By measuring the working current value of centrifugal blower, the journey of power of fan reduction can detecte
Degree.The blower of the present embodiment uses the DC voltage centrifugal blower of 12V.According to power W=voltage U × current value I, voltage U is permanent
Fixed, the current value of current detecting chip 3 can also change with the clean level of filter core 1.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of method for detecting filter core clean level, which comprises the following steps:
The current value is converted to voltage value, obtains sample voltage value by step S1, the current value of detection blower fan；
Step S2, judges whether the sample voltage value is lower than the first preset reference value；
Step S3 then determines to be arranged in the blower outlet air when the sample voltage value is lower than first preset reference value
The clean level of filter core at mouthful place reaches critical value, and sends and replace the control instruction of filter core to terminal device；
The sample voltage value is the n sampling that n times detect the current value of the blower and are converted within a preset period of time
Voltage value, n are the positive integer more than or equal to 3；
The step S3 further include: when judging to have in n sample voltage values m sample voltage value in advance lower than described first
If a reference value and m/n are more than or equal to preset percentage, the control instruction of replacement filter core is sent to terminal device.
2. a kind of method for detecting filter core clean level according to claim 1, which is characterized in that described in the step S2
First preset reference value obtains in the following manner: when the filter core reaches service life, within a preset period of time, repeatedly examining
The current value for surveying the blower is averaged, and the first preset reference value is converted to.
3. a kind of method for detecting filter core clean level according to claim 1 or claim 2, which is characterized in that the step S3 is also
It include: then to determine to be arranged when the sample voltage value is greater than first preset reference value and less than the second preset reference value
The state of filter core at the fan outlet is clean state, and sends state of filter element to terminal device.
4. a kind of method for detecting filter core clean level according to claim 3, which is characterized in that the step S3 is also wrapped
Include: when judge to have in n sample voltage values a sample voltage value first preset reference value with described second in advance
If the clean level value of the filter core is then calculated, and be sent between a reference value and when a/n is more than or equal to preset percentage
Terminal device；
Wherein second preset reference value obtains in the following manner: when the filter core is completely new, within a preset period of time,
The current value of blower described in repeated detection is averaged, and the second preset reference value is converted to.
5. a kind of device for detecting filter core clean level, comprising:
The current value is converted to voltage value, obtains sample voltage value by detection module for the current value of detection blower fan；
Judgment module, for judging whether the sample voltage value is lower than the first preset reference value；
Control module, for when the sample voltage value is lower than first preset reference value, then determining to be arranged in the wind
The clean level of filter core at machine air outlet reaches critical value, and sends the control instruction of replacement filter core to terminal device；
Terminal device, for showing the control instruction；
The sample voltage value is the n sampling that n times detect the current value of the blower and are converted within a preset period of time
Voltage value, n are the positive integer more than or equal to 3；
The control module is also used to, when judging have m sample voltage value to be lower than described first in n sample voltage values
When preset reference value and m/n are more than or equal to preset percentage, the control instruction of replacement filter core is sent to terminal device.
6. a kind of device for detecting filter core clean level according to claim 5, which is characterized in that in the judgment module
First preset reference value obtains in the following manner: when the filter core reaches service life, within a preset period of time, repeatedly examining
The current value for surveying the blower is averaged, and the first preset reference value is converted to.
7. according to a kind of device for detecting filter core clean level of claim 5 or 6, which is characterized in that the control module
It is also used to, when the sample voltage value is greater than first preset reference value and when less than the second preset reference value, then determines to set
The state for setting the filter core at the fan outlet is clean state, and sends state of filter element to terminal device.
8. a kind of device for detecting filter core clean level according to claim 7, which is characterized in that the control module is also used
In, when judge to have in n sample voltage values a sample voltage value first preset reference value and described second in advance
If the clean level value of the filter core is then calculated, and be sent between a reference value and when a/n is more than or equal to preset percentage
Terminal device；
Wherein second preset reference value obtains in the following manner: when the filter core is completely new, within a preset period of time,
The current value of blower described in repeated detection is averaged, and the second preset reference value is converted to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270272.2A CN105928140B (en) | 2016-04-27 | 2016-04-27 | A kind of method and apparatus detecting filter core clean level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270272.2A CN105928140B (en) | 2016-04-27 | 2016-04-27 | A kind of method and apparatus detecting filter core clean level |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105928140A CN105928140A (en) | 2016-09-07 |
| CN105928140B true CN105928140B (en) | 2019-06-18 |
Family
ID=56837339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610270272.2A Expired - Fee Related CN105928140B (en) | 2016-04-27 | 2016-04-27 | A kind of method and apparatus detecting filter core clean level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928140B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682016B (en) * | 2017-10-19 | 2021-04-06 | 深圳市美好创亿医疗科技股份有限公司 | Method for detecting effectiveness of filtering unit of air purification equipment |
| CN108870642A (en) * | 2018-04-27 | 2018-11-23 | 苏州倍安电子科技有限公司 | Fresh air purifier filter network state self checking method |
| CN110486889A (en) * | 2018-05-14 | 2019-11-22 | 青岛海尔空调器有限总公司 | Air conditioner and its control method |
| CN112096636B (en) * | 2020-08-26 | 2022-04-29 | 智美康民(珠海)健康科技有限公司 | Smoke filtering efficiency detection method, fan speed regulation method, circuit, moxibustion instrument and medium |
| CN112414919B (en) * | 2020-11-11 | 2024-05-03 | 厦门浦睿智能电子有限公司 | Method and device for measuring and calculating service life of purifier filter screen based on working current of direct current motor |
| CN113500896B (en) * | 2021-07-08 | 2024-04-30 | 浙江吉利控股集团有限公司 | Air conditioner filter element service life prediction method, replacement reminding method, device and storage medium |
| CN114701322B (en) * | 2021-08-09 | 2024-02-13 | 长城汽车股份有限公司 | Air conditioner filter element service life detection method, device, controller, system and vehicle |
| CN115111693B (en) * | 2022-06-01 | 2023-05-02 | 中科美菱低温科技股份有限公司 | Method for detecting service life of efficient filter and clean workbench |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040003702A (en) * | 2002-07-03 | 2004-01-13 | 엘지전자 주식회사 | Method for controlling compressor for inverter airconditioner |
| CN102519118A (en) * | 2011-12-29 | 2012-06-27 | Tcl空调器(中山)有限公司 | Method and device for automatic reminding of cleanness of air conditioner |
| CN102865241A (en) * | 2012-09-25 | 2013-01-09 | 北京机械设备研究所 | Fan operational monitoring method based on fan operation current detection |
| CN104879900A (en) * | 2015-06-09 | 2015-09-02 | 珠海格力电器股份有限公司 | Method, device and equipment for monitoring air conditioner |
| CN104913446A (en) * | 2015-05-29 | 2015-09-16 | 广东美的制冷设备有限公司 | Filth blockage detection method and device for air conditioner |
| CN104990201A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for detecting filth blockage of air conditioner |
| CN105066329A (en) * | 2015-07-17 | 2015-11-18 | 广东美的暖通设备有限公司 | Air conditioner, and method and system of judging dust deposition situation of filter screen of air conditioner internal unit |
| CN205026871U (en) * | 2015-07-23 | 2016-02-10 | 珠海市威士茂工业产品设计有限公司 | Take automatic air purifier who judges of filter screen life -span |
-
2016
- 2016-04-27 CN CN201610270272.2A patent/CN105928140B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040003702A (en) * | 2002-07-03 | 2004-01-13 | 엘지전자 주식회사 | Method for controlling compressor for inverter airconditioner |
| CN102519118A (en) * | 2011-12-29 | 2012-06-27 | Tcl空调器(中山)有限公司 | Method and device for automatic reminding of cleanness of air conditioner |
| CN102865241A (en) * | 2012-09-25 | 2013-01-09 | 北京机械设备研究所 | Fan operational monitoring method based on fan operation current detection |
| CN104913446A (en) * | 2015-05-29 | 2015-09-16 | 广东美的制冷设备有限公司 | Filth blockage detection method and device for air conditioner |
| CN104990201A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for detecting filth blockage of air conditioner |
| CN104879900A (en) * | 2015-06-09 | 2015-09-02 | 珠海格力电器股份有限公司 | Method, device and equipment for monitoring air conditioner |
| CN105066329A (en) * | 2015-07-17 | 2015-11-18 | 广东美的暖通设备有限公司 | Air conditioner, and method and system of judging dust deposition situation of filter screen of air conditioner internal unit |
| CN205026871U (en) * | 2015-07-23 | 2016-02-10 | 珠海市威士茂工业产品设计有限公司 | Take automatic air purifier who judges of filter screen life -span |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105928140A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105928140B (en) | A kind of method and apparatus detecting filter core clean level | |
| CN109196286B (en) | Air purifying equipment | |
| CN104235957B (en) | Indoor air purification system and method | |
| CN207365221U (en) | A kind of air purifier with screen replacing prompting function | |
| KR102450172B1 (en) | Internet of things techinic based intelligent oxygen generation system for controlling operating state by monitoring sensing data | |
| CN206247553U (en) | The electrostatic purifications of PM2 ﹒ 5 monitoring device of intelligence | |
| CN111111342B (en) | Filter assembly and filter screen filth blockage detection method | |
| JP2019517917A (en) | Method for determining air filter availability | |
| CN102309897A (en) | Dedusting method and system | |
| CN204084618U (en) | A kind of indoor air purifier | |
| CN104296362A (en) | Outdoor PM 2.5 concentration based automatic adjusting type air duct filtering device of building | |
| CN108954720B (en) | filter screen failure judgment method, filter screen failure judgment system and unit equipment | |
| CN109282427A (en) | A kind of detection method and device in strainer service life | |
| CN104633878A (en) | Air purifier control system capable of automatically detecting purification effect and pollution type | |
| CN204830339U (en) | Self test purifying effect and pollution type's air purifier control system | |
| CN206755342U (en) | A kind of intelligent fresh air apparatus and system | |
| CN108050651A (en) | Apparatus and method for detecting the strainer service life | |
| JP2016023887A (en) | Air conditioner and operation method of the same | |
| CN108954671A (en) | A kind of the air quality method for early warning and device of fresh air system | |
| CN204256422U (en) | A kind of family expenses PM2.5 Detection & Controling air cleaning unit | |
| CN106370583B (en) | Method for evaluating air permeability of haze-preventing ventilation window screening | |
| CN201811906U (en) | Clean fabric filter efficiency test bed | |
| CN205643091U (en) | Air suspension particle concentration detection device | |
| CN209399512U (en) | A kind of air cleaning facility and fresh air system with detection fillter section service life structure | |
| CN109142184A (en) | Judgment method for replacing efficient filter and fresh air handling unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190618 |