CN103216920B - The alarm set clean for air-conditioning and control method thereof - Google Patents
The alarm set clean for air-conditioning and control method thereof Download PDFInfo
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- CN103216920B CN103216920B CN201310029110.6A CN201310029110A CN103216920B CN 103216920 B CN103216920 B CN 103216920B CN 201310029110 A CN201310029110 A CN 201310029110A CN 103216920 B CN103216920 B CN 103216920B
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Abstract
For the alarm set that air-conditioning is clean, comprise probe head of static pressure one, probe head of static pressure two, differential pressure transmitter, controller.Probe head of static pressure one, probe head of static pressure two send the outside static pressure of air-conditioning filter net, inner side static pressure to differential pressure transmitter, differential pressure transmitter sends the difference information of outside static pressure and inner side static pressure to controller, and controller judges that above-mentioned difference information sends when reaching setting numerical value and reminds clean instruction.Present invention utilizes the natural law that the online dust change of air conditioning filter causes the respective change of outside static pressure in air-conditioning filter net, accurately judge that air-conditioning filter net is the need of clean by detecting outside static pressure in air-conditioning filter net, and sending prompting message to user, user can clean air-conditioning in good time.The invention still further relates to the control method of the alarm set that this cleans for air-conditioning.
Description
Technical field
The present invention relates to a kind of alarm set clean for air-conditioning and control method thereof, belong to IAQ and regulate field.
Background technology
Along with SARS, bird flu, air-borne dust are attacked, health awareness, improve indoor air environment and to seem necessity very.Issue according to authoritative department, the pollution level of IAQ is outdoor 2 ~ 5 times; And the time average of people in indoor is at 10 hours.Therefore, indoor air environment is improved very necessary.
The center of air-conditioning air inlet is provided with air-conditioning filter net.In air-conditioning use procedure, room air from air-conditioning air inlet be inhaled into heat exchanger heat exchange after send from air-conditioner air outlet, dust granules that air carries majority is deposited on the outside of air-conditioning filter net; In addition, during air-conditioning shutdown, the dust granules in environment also can waft into from air-conditioning air inlet and to be deposited on air conditioning filter online.These dust granules that air conditioning filter is online, not only affect the normal use of air-conditioning, and it carries or the bacterium that grows also can make air quality greatly reduce, and even causes user to produce disease.Therefore, air-conditioning manufacturer is reminding user cleaned at regular intervals air-conditioning in product description all, especially cleans screen pack.
But the environment residing for different air-conditioning, operation conditions etc. all have larger difference, can not lump together.Therefore, user is difficult to the every platform air-conditioning of accurate assurance clean opportunity, often cause air-conditioning not clean in time or too much clean, waste of manpower, material resources.
Summary of the invention
The invention reside in and provide a kind of intelligent solution opportunity for accurate assurance air-conditioning cleans.
For this reason, the invention provides a kind of alarm set clean for air-conditioning, it is characterized in that: comprise probe head of static pressure one, probe head of static pressure two, differential pressure transmitter, controller; Above-mentioned probe head of static pressure one is positioned at the outside of air-conditioning filter net, and probe head of static pressure two is positioned at the inner side of air-conditioning filter net; Probe head of static pressure one, probe head of static pressure two, controller all and between differential pressure transmitter are electrically connected.
In the alarm set clean for air-conditioning of the present invention, controller can be arranged specially independent of air-conditioning master controller, thus the control and management of refinement air-conditioning, facilitate maintenance and the maintenance of air-conditioning.But in order to save cost, the alarm set clean for air-conditioning of the present invention, is further characterized in that: above-mentioned controller is air-conditioning master controller.
Present invention also offers a kind of control method of the alarm set cleaned for air-conditioning, it is characterized in that: above-mentioned probe head of static pressure one, probe head of static pressure two send the outside static pressure of air-conditioning filter net, inner side static pressure to differential pressure transmitter, differential pressure transmitter sends the difference information of outside static pressure and inner side static pressure to controller, and controller judges that above-mentioned difference information sends when reaching setting numerical value and reminds clean instruction.
Prove after deliberation: when the less i.e. air-conditioning filter net of the online dust deposit of air conditioning filter is in clean conditions, the static pressure difference of its both sides is very little, now without the need to clean; Along with air conditioning filter deposits the increase of dust quantity on the net, air is blocked in outside air-conditioning filter net, and inside air-conditioning filter net, negative pressure increases, therefore the static pressure difference of air-conditioning filter net both sides becomes large.
The alarm set clean for air-conditioning of the present invention takes full advantage of above-mentioned achievement in research exactly: using abundant for air-conditioning filter net dust, need clean time the difference information of both sides static pressure as the built-in setting numerical value of controller; Utilize the outside static pressure of probe head of static pressure a pair air-conditioning filter net to detect in real time, utilize the inner side static pressure of probe head of static pressure two pairs of air-conditioning filter nets to detect in real time, two static pressure send controller to through differential pressure transmitter; Difference information and aforementioned setting numerical value compare by controller, thus accurately judge that air-conditioning filter net is the need of clean, and send prompting instruction.
Preferred as one, the control method of the alarm set cleaned for air-conditioning of the present invention, is further characterized in that: above-mentioned difference information refers to that the DC voltage through differential pressure transmitter process is the current signal of 5 volts; Above-mentioned setting numerical value is 0.5 ~ 5 milliampere.Although signal is more beneficial to accurate control more greatly, and air-conditioning more should focus on security as household electrical appliance.In the present invention, setting numerical value is selected to be less than the sentient minimum current value of human body (also known as sensory current, interchange is 1 milliampere, and direct current is 5 milliamperes).Like this, even if the electric leakage of this alarm set, electric current and get a fright, even throw from eminence and cause human-body safety accident when personnel contact because of carelessness because debugging, wiping etc. operate, also can not be felt.
Balance considers the generally speed of dust deposit and the operational efficiency of controller, and eliminating is because air-conditioning air inlet is capped once in a while, and controller that is that cause judges mistake, preferred as one, the control method of the alarm set cleaned for air-conditioning of the present invention, is further characterized in that: above-mentioned controller judge difference information whether reach setting numerical value be spaced apart 1 ~ 10 minute each; Above-mentioned controller just sends the instruction reminded and clean when judging that above-mentioned difference information reaches setting numerical value 2 ~ 3 times.
Preferred as one, the control method of the alarm set cleaned for air-conditioning of the present invention, is further characterized in that: above-mentioned controller judge difference information reach set numerical value after the buzzer of air-conditioning sound a buzzer.In like manner, the control method of the alarm set cleaned for air-conditioning of the present invention, its feature also can be: above-mentioned controller judges that difference information reaches display screen display setting character after setting numerical value.Like this, the alarm set clean for air-conditioning of the present invention, can by device end---buzzer or display screen send clear, clear and definite prompting message to user.User thus can manual operations air-conditioning is cleaned, as dismantle lower air-conditioning filter net and with clear water rinse, on heat exchanger and air channel, spray air-conditioning cleaner special etc.Certainly, the alarm set clean for air-conditioning of the present invention, also directly can carry out automated cleaning operation according to the scheme disclosed in the Chinese patent ZL2007100693522 (patent name: a kind of clean method of A/C evaporator) of the applicant when sending and reminding instruction.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram of the alarm set cleaned for air-conditioning of the present invention, and in figure, arrow is depicted as room air from air-conditioning air inlet approach axis.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figure 1, the alarm set clean for air-conditioning of the present invention, comprises probe head of static pressure 1, probe head of static pressure 23, differential pressure transmitter 4, controller 5.Wherein, probe head of static pressure 1 is positioned at the outside of air-conditioning filter net 1, and probe head of static pressure 23 is positioned at the inner side of air-conditioning filter net 1; Probe head of static pressure 1, probe head of static pressure 23, controller 5 all and between differential pressure transmitter 4 are electrically connected; Controller 5 is air-conditioning master controller; Differential pressure transmitter 4 provides direct current 15 volts of power supplys by controller 5.
When air-conditioning dispatches from the factory, both sides static pressure difference when air-conditioning filter net is needed clean in advance as the setting numerical value IS that controller 5 is built-in, such as 0.8 milliampere.When air-conditioning quilt user uses, the outside static pressure P1 of probe head of static pressure one 2 pairs of air-conditioning filter nets 1 detects in real time, and the inner side static pressure P2 of probe head of static pressure 23 pairs of air-conditioning filter nets 1 detects in real time.Differential pressure △ P=P1-P2.Above-mentioned differential pressure is treated to the current signal that DC voltage is 5 volts by differential pressure transmitter 4, and sends controller 5 to as difference information △ I.Difference information △ I and aforementioned setting numerical value IS compared every 5 minutes by controller 5.When judging △ I >=IS 2 times if continuous, think that air-conditioning filter net 1 really needs clean, and control buzzer and send 5 sound buzzers, display screen display setting character simultaneously; Otherwise controller 5 thinks that air-conditioning filter net 1 need not clean, not send instruction.After controller 5 sends and reminds clean instruction, function that air-conditioning also can run automatically " cleaning ", namely carries out freezing, heating and ventilation function combined running according to the scheme disclosed in the Chinese patent ZL2007100693522 (patent name: a kind of clean method of A/C evaporator) of the applicant.
This is used for the clean alarm set of air-conditioning, make use of the natural law that the online dust change of air conditioning filter causes the respective change of outside static pressure in air-conditioning filter net, cross outside static pressure in detection air-conditioning filter net and accurately judge that air-conditioning filter net is the need of clean, and sending clear, clear and definite prompting message to user, user can clean air-conditioning in good time.
Be more than one of embodiments of the present invention, for those skilled in the art, do not spend performing creative labour, multiple change can be done in the basis of above-described embodiment, object of the present invention can be realized equally.But this change obviously should in the protection domain of claims of the present invention.
Claims (3)
1. the control method of the alarm set cleaned for air-conditioning, is characterized in that: the described alarm set clean for air-conditioning comprises probe head of static pressure one, probe head of static pressure two, differential pressure transmitter, controller; Above-mentioned probe head of static pressure one is positioned at the outside of air-conditioning filter net, and probe head of static pressure two is positioned at the inner side of air-conditioning filter net; Probe head of static pressure one, probe head of static pressure two, controller all and between differential pressure transmitter are electrically connected, above-mentioned controller is air-conditioning master controller, it is characterized in that: above-mentioned probe head of static pressure one, probe head of static pressure two send the outside static pressure of air-conditioning filter net, inner side static pressure to differential pressure transmitter, differential pressure transmitter sends the difference information of outside static pressure and inner side static pressure to controller, controller judges that above-mentioned difference information sends when reaching setting numerical value and reminds clean instruction, and above-mentioned difference information refers to that the DC voltage through differential pressure transmitter process is the current signal of 5 volts; Above-mentioned setting numerical value is 0.5 ~ 5 milliampere, above-mentioned controller judge difference information whether reach setting numerical value be spaced apart 1 ~ 10 minute each; Above-mentioned controller just sends the instruction reminded and clean when judging that above-mentioned difference information reaches setting numerical value 2 ~ 3 times.
2. the control method of the alarm set cleaned for air-conditioning according to claim 1, is characterized in that: above-mentioned controller judge difference information reach setting numerical value after the buzzer of air-conditioning sound a buzzer.
3. the control method of the alarm set cleaned for air-conditioning according to claim 1, is characterized in that: above-mentioned controller judges that difference information reaches display screen display setting character after setting numerical value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310029110.6A CN103216920B (en) | 2013-01-27 | 2013-01-27 | The alarm set clean for air-conditioning and control method thereof |
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| CN201310029110.6A CN103216920B (en) | 2013-01-27 | 2013-01-27 | The alarm set clean for air-conditioning and control method thereof |
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| CN103216920A CN103216920A (en) | 2013-07-24 |
| CN103216920B true CN103216920B (en) | 2016-03-23 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940059B (en) * | 2014-04-02 | 2016-06-01 | 广东美的制冷设备有限公司 | In air conditioner chamber, the filtering net of machine cleans and reminds device and control method |
| CN105757921A (en) * | 2016-03-28 | 2016-07-13 | 广东志高空调有限公司 | Automatic cleaning reminding system for air conditioner and working method of automatic cleaning reminding system |
| CN106403072B (en) * | 2016-08-31 | 2019-12-06 | 芜湖美智空调设备有限公司 | Outdoor unit and dust deposition detection method thereof |
| CN107192099A (en) * | 2017-06-14 | 2017-09-22 | 广东美的暖通设备有限公司 | Air-conditioning and its laying dust determination methods and laying dust judgment means and laying dust judge system |
| CN108645777A (en) * | 2018-06-19 | 2018-10-12 | 长虹美菱股份有限公司 | A kind of the cleaning alarm set and its based reminding method of urethane raw filter |
| CN111140990A (en) * | 2019-12-23 | 2020-05-12 | 珠海格力电器股份有限公司 | Filth blockage detection method for air conditioner heat exchanger and air conditioner |
| CN112810399A (en) * | 2021-01-07 | 2021-05-18 | 青岛海信电子产业控股股份有限公司 | Parking air conditioner and method for detecting cleanliness |
| CN114061023B (en) * | 2021-10-19 | 2023-06-23 | 青岛海尔空调器有限总公司 | Method and device for cleaning filter screen, household appliance and storage medium |
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| KR100861778B1 (en) * | 2007-08-24 | 2008-10-08 | 권영현 | An air conditioner with auto cleansing system to air-filter and controlling method |
| CN201732264U (en) * | 2010-07-28 | 2011-02-02 | 重庆市同方科技发展有限公司 | Air conditioning filter screen intelligent alarm device |
| CN202328637U (en) * | 2011-11-22 | 2012-07-11 | 青岛海日高科模型有限公司 | Air cleaner |
| CN203163164U (en) * | 2013-01-27 | 2013-08-28 | 宁波奥克斯空调有限公司 | Reminding device for air conditioner cleaning |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100861778B1 (en) * | 2007-08-24 | 2008-10-08 | 권영현 | An air conditioner with auto cleansing system to air-filter and controlling method |
| CN201732264U (en) * | 2010-07-28 | 2011-02-02 | 重庆市同方科技发展有限公司 | Air conditioning filter screen intelligent alarm device |
| CN202328637U (en) * | 2011-11-22 | 2012-07-11 | 青岛海日高科模型有限公司 | Air cleaner |
| CN203163164U (en) * | 2013-01-27 | 2013-08-28 | 宁波奥克斯空调有限公司 | Reminding device for air conditioner cleaning |
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| CN103216920A (en) | 2013-07-24 |
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Effective date of registration: 20170522 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX air conditioning Limited by Share Ltd Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Group. |