CN103216920A - Reminding device for air-conditioner cleaning and control method thereof - Google Patents
Reminding device for air-conditioner cleaning and control method thereof Download PDFInfo
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- CN103216920A CN103216920A CN2013100291106A CN201310029110A CN103216920A CN 103216920 A CN103216920 A CN 103216920A CN 2013100291106 A CN2013100291106 A CN 2013100291106A CN 201310029110 A CN201310029110 A CN 201310029110A CN 103216920 A CN103216920 A CN 103216920A
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Abstract
The invention relates to a reminding device for air-conditioner cleaning. The reminding device comprises a static pressure probe I, a static pressure probe II, a differential pressure transmitter and a controller, wherein the static pressure probe I and the static pressure probe II are used for transferring the outside static pressure and inside static pressure of an air-conditioner filtering net to the differential pressure transmitter; the differential pressure transmitter is used for transferring the difference value information of the outside static pressure and inside static pressure to the controller; and the controller is used for sending an instruction for reminding cleaning when judging that the difference value information reaches a set value. The reminding device utilizes a natural law that the corresponding change in the inside and outside static pressures of the air-conditioner filtering net is triggered by the change in the dust on the air-conditioner filtering net, accurately judges whether the air-conditioner filtering net needs to be cleaned or not by detecting the inside and outside static pressures of the air-conditioner filtering net, and sends reminding information to a user, so that the user can clean the air-conditioner in good time. The invention also relates to a control method for the reminding device for the air-conditioner cleaning.
Description
Technical field
The present invention relates to a kind of alarm set and control method thereof that is used for the air-conditioning cleaning, belong to IAQ and regulate the field.
Background technology
Along with SARS, bird flu, air-borne dust are attacked, health awareness, improve seem very necessity of indoor air environment.According to the authoritative department issue, the pollution level of IAQ is outdoor 2～5 times; And people at indoor time average about 10 hours.Therefore, it is very necessary to improve indoor air environment.
On the center of air-conditioning air inlet air-conditioning filter net is installed.In the air-conditioning use, room air from the air-conditioning air inlet be inhaled into the heat exchanger heat exchange after send from air-conditioner air outlet, the dust granules majority that air carries is deposited on the outside of air-conditioning filter net; In addition, air-conditioning when shutdown, the dust granules in the environment also can from the air-conditioning air inlet waft into and to be deposited on air conditioning filter online.These dust granules that air conditioning filter is online not only influence the normal use of air-conditioning, and it carries or the bacterium that grows also can make air quality reduce greatly, even causes the user to produce disease.Therefore, user's cleaned at regular intervals air-conditioning is all reminded by air-conditioning manufacturer in product description, especially screen pack is cleaned.
Yet the residing environment of different air-conditionings, operation conditions etc. all have than big-difference, can not lump together.Therefore, the user is difficult to accurately to hold the opportunity of every air-conditioning cleaning, causes air-conditioning in time not clean often or too much cleaning, waste of manpower, material resources.
Summary of the invention
The invention reside in to accurately holding the air-conditioning cleaning a kind of intelligent solution is provided opportunity.
For this reason, the invention provides a kind of alarm set that is used for the air-conditioning cleaning, it is characterized in that: comprise static pressure probe one, static pressure probe two, differential pressure transmitter, controller; Above-mentioned static pressure probe one is positioned at the outside of air-conditioning filter net, and static pressure probe two is positioned at the inboard of air-conditioning filter net; Static pressure probe one, static pressure probe two, controller all and between differential pressure transmitter are electrically connected.
The alarm set that is used for the air-conditioning cleaning of the present invention, controller can be independent of air-conditioning master control controller and special the setting, thus the control and management of refinement air-conditioning makes things convenient for the maintenance and the maintenance of air-conditioning.But in order to save cost, the alarm set that is used for the air-conditioning cleaning of the present invention, its feature also is: above-mentioned controller is an air-conditioning master control controller.
The present invention also provides a kind of control method that is used for the alarm set of air-conditioning cleaning, it is characterized in that: above-mentioned static pressure probe one, static pressure probe two outside static pressure with air-conditioning filter net, inboard static pressure send differential pressure transmitter to, differential pressure transmitter sends the difference information of outside static pressure and inboard static pressure to controller, and controller judges that above-mentioned difference information reaches the instruction of sending the prompting cleaning when setting numerical value.
Proof after deliberation: the online dust deposit of air conditioning filter is less to be air-conditioning filter net when being in clean conditions, and the static pressure difference of its both sides is very little, need not cleaning this moment; Along with air conditioning filter deposits the increase of dust quantity on the net, air is blocked in the air-conditioning filter net outside, and the inboard negative pressure of air-conditioning filter net increases, so the static pressure difference of air-conditioning filter net both sides becomes greatly.
The alarm set that is used for air-conditioning cleaning of the present invention has made full use of above-mentioned achievement in research exactly: the difference information of the air-conditioning filter net dust is abundant, the both sides static pressure when needs clean is as the built-in setting numerical value of controller; Utilize the pop one's head in outside static pressure of a pair of air-conditioning filter net of static pressure to detect in real time, utilize the inboard static pressure of two pairs of air-conditioning filter nets of static pressure probe to detect in real time, two static pressure send controller to through differential pressure transmitter; Controller compares difference information and aforementioned setting numerical value, thereby judges accurately whether air-conditioning filter net needs cleaning, and sends and remind instruction.
As a kind of preferred, the control method that is used for the alarm set of air-conditioning cleaning of the present invention, its feature also is: above-mentioned difference information is meant that the DC voltage of handling through differential pressure transmitter is 5 volts a current signal; Above-mentioned setting numerical value is 0.5～5 milliampere.Though signal is big more to be beneficial to accurate control more, air-conditioning more should be paid attention to security as household electrical appliance.Among the present invention, set numerical value and select less than the sentient minimum current value of human body (claim sensory current again, interchange is 1 milliampere, and direct current is 5 milliamperes).Like this, even the electric leakage of this alarm set, personnel can not feel when contacting because of carelessness because of operations such as debugging, wipings that electric current gets a fright yet even throw from eminence and cause the human body security incident.
Balance is considered the speed of dust deposit and the operational efficiency of controller generally speaking, and get rid of because of the air-conditioning air inlet is capped the controller that causes once in a while and judge mistake, as a kind of preferred, the control method that is used for the alarm set of air-conditioning cleaning of the present invention, its feature also is: above-mentioned controller judge difference information whether reach set numerical value be spaced apart 1～10 minute at every turn; Above-mentioned controller is judged that above-mentioned difference information reaches and is just sent the instruction of reminding cleaning when setting numerical value 2～3 times.
As a kind of preferred, the control method that is used for the alarm set of air-conditioning cleaning of the present invention, its feature also is: above-mentioned controller is judged that difference information reaches and is set behind the numerical value buzzer of air-conditioning and sound a buzzer.In like manner, the control method that is used for the alarm set of air-conditioning cleaning of the present invention, its feature also can be: above-mentioned controller is judged that difference information reaches and is set display screen display setting character behind the numerical value.Like this, the alarm set that is used for the air-conditioning cleaning of the present invention, can pass through device end---buzzer or display screen send clear, clear and definite prompting message to the user.Thereby the user can clean air-conditioning in manual operations, as dismantles down air-conditioning filter net and wash, spray air-conditioning cleaner special etc. with clear water on heat exchanger and air channel.Certainly, the alarm set that is used for air-conditioning cleaning of the present invention, send when reminding instruction also can be directly (patent name: a kind of clean method of A/C evaporator) disclosed scheme is carried out automated cleaning and is operated according to the applicant's Chinese patent ZL2007100693522.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the schematic diagram that is used for the alarm set of air-conditioning cleaning of the present invention, and arrow is depicted as room air from air-conditioning air inlet approach axis among the figure.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, the alarm set that is used for air-conditioning cleaning of the present invention comprises that static pressure pops one's head in 1, static pressure is popped one's head in 23, differential pressure transmitter 4, controller 5.Wherein, static pressure one 2 outsides that are positioned at air-conditioning filter net 1 of popping one's head in, static pressure 23 inboards that are positioned at air-conditioning filter net 1 of popping one's head in; Static pressure pops one's head in 1, static pressure is popped one's head in 23, controller 5 all and 4 electrical connections of differential pressure transmitter; Controller 5 is an air-conditioning master control controller; Differential pressure transmitter 4 provides direct current 15 volts of power supplys by controller 5.
When air-conditioning dispatched from the factory, the both sides static pressure difference when air-conditioning filter net need be cleaned was in advance as the built-in setting numerical value IS of controller 5, for example 0.8 milliampere.When the air-conditioning quilt user used, the pop one's head in outside static pressure P1 of one 2 pairs of air-conditioning filter nets 1 of static pressure detected in real time, and the pop one's head in inboard static pressure P2 of 23 pairs of air-conditioning filter nets 1 of static pressure detects in real time.Differential pressure △ P=P1-P2.It is 5 volts current signal that differential pressure transmitter 4 is treated to DC voltage with above-mentioned differential pressure, and sends controller 5 to as difference information △ I.Controller 5 compared difference information △ I and aforementioned setting numerical value IS every 5 minutes.If continuous when judging △ I 〉=IS for 2 times, think that air-conditioning filter net 1 needs cleaning really, and the control buzzer sends buzzer 5, simultaneously display screen display setting character; Otherwise controller 5 thinks that air-conditioning filter net 1 need not clean, not send instruction.After controller 5 sends the instruction of reminding cleaning, air-conditioning also can move " cleaning " function automatically, and promptly (patent name: a kind of clean method of A/C evaporator) disclosed scheme is freezed, heated and the ventilation function combined running according to the applicant's Chinese patent ZL2007100693522.
This is used for the alarm set of air-conditioning cleaning, utilized the online dust of air conditioning filter to change the natural law that causes the respective change of outside static pressure in the air-conditioning filter net, whether static pressure is accurately judged air-conditioning filter net outside crossing in the detection air-conditioning filter net needs cleaning, and sending clear, clear and definite prompting message to the user, the user can clean air-conditioning in good time.
More than be one of embodiments of the present invention,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize purpose of the present invention equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present invention.
Claims (7)
1. be used for the alarm set of air-conditioning cleaning, it is characterized in that: comprise static pressure probe one, static pressure probe two, differential pressure transmitter, controller; Above-mentioned static pressure probe one is positioned at the outside of air-conditioning filter net, and static pressure probe two is positioned at the inboard of air-conditioning filter net; Static pressure probe one, static pressure probe two, controller all and between differential pressure transmitter are electrically connected.
2. the alarm set that is used for the air-conditioning cleaning according to claim 1, it is characterized in that: above-mentioned controller is an air-conditioning master control controller.
3. the control method that is used for the alarm set of air-conditioning cleaning according to claim 1 and 2, it is characterized in that: above-mentioned static pressure probe one, static pressure probe two outside static pressure with air-conditioning filter net, inboard static pressure send differential pressure transmitter to, differential pressure transmitter sends the difference information of outside static pressure and inboard static pressure to controller, and controller judges that above-mentioned difference information reaches the instruction of sending the prompting cleaning when setting numerical value.
4. the control method that is used for the alarm set of air-conditioning cleaning according to claim 3 is characterized in that: above-mentioned difference information is meant that the DC voltage of handling through differential pressure transmitter is 5 volts a current signal; Above-mentioned setting numerical value is 0.5～5 milliampere.
5. the control method that is used for the alarm set of air-conditioning cleaning according to claim 4 is characterized in that: above-mentioned controller judge difference information whether reach set numerical value be spaced apart 1～10 minute at every turn; Above-mentioned controller is judged that above-mentioned difference information reaches and is just sent the instruction of reminding cleaning when setting numerical value 2～3 times.
6. the control method that is used for the alarm set of air-conditioning cleaning according to claim 3 is characterized in that: above-mentioned controller is judged that difference information reaches and is set behind the numerical value buzzer of air-conditioning and sound a buzzer.
7. the control method that is used for the alarm set of air-conditioning cleaning according to claim 3 is characterized in that: above-mentioned controller is judged that difference information reaches and is set display screen display setting character behind the numerical value.
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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 true CN103216920A (en) | 2013-07-24 |
| CN103216920B CN103216920B (en) | 2016-03-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940059A (en) * | 2014-04-02 | 2014-07-23 | 广东美的制冷设备有限公司 | Filter screen cleaning reminding device of indoor unit of air conditioner 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 |
| CN106403072A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Outdoor unit and dust stratification 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 |
| CN114061023A (en) * | 2021-10-19 | 2022-02-18 | 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 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940059A (en) * | 2014-04-02 | 2014-07-23 | 广东美的制冷设备有限公司 | Filter screen cleaning reminding device of indoor unit of air conditioner 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 |
| CN106403072A (en) * | 2016-08-31 | 2017-02-15 | 芜湖美智空调设备有限公司 | Outdoor unit and dust stratification detection method thereof |
| 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 |
| CN114061023A (en) * | 2021-10-19 | 2022-02-18 | 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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| Publication number | Publication date |
|---|---|
| CN103216920B (en) | 2016-03-23 |
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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. |
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| TR01 | Transfer of patent right |