CN202778115U - Control device for air purifier - Google Patents
Control device for air purifier Download PDFInfo
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- CN202778115U CN202778115U CN 201220432082 CN201220432082U CN202778115U CN 202778115 U CN202778115 U CN 202778115U CN 201220432082 CN201220432082 CN 201220432082 CN 201220432082 U CN201220432082 U CN 201220432082U CN 202778115 U CN202778115 U CN 202778115U
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Abstract
The utility model discloses a control device for an air purifier. The control device for the air purifier includes a central process unit (CPU) with a singlechip, and an air sampling unit connected with the CPU, wherein the air sampling unit includes a two-position three-way reversing valve; the two-position three-way reversing valve is provided with a first sampling passage, a second sampling passage and a third sampling passage; the switching between the first sampling passage and the second sampling passage is controlled by the CPU; the third sampling passage is communicated with the outlet of an air passage of the air purifier; the first sampling passage is communicated with unpurified indoor air; the second sampling passage is communicated with purified air; air quality sensors are arranged in the third sampling passage and connected with the CPU; and the control device further includes a display unit which receives signals from the CPU and displays the signals in a real-time manner. Through logical judgments and operations based on the received air quality detection information, the CPU can judge whether a filter device of the air purifier is ineffective or not, and can send alarms in case of ineffectiveness.
Description
Technical field
The utility model relates to a kind of air purifier for air cleaning and air quality monitoring, especially a kind of control device of air purifier.
Background technology
Along with the development of industrial society, present toxic emission is more and more, and air quality contains a large amount of dust and hazardous compound worse and worse, has a strong impact on the healthy of people; And on the other hand, because people's living standard improves, indoor environmental quality consciousness is improved constantly, indoor environment purified product kind and purification techniques development are very fast.
Number be the Chinese patent of CN201638043U such as Granted publication, a kind of air purifier control system is disclosed, comprise fan speed-regulating control module, sterilization control module, singlechip chip, LCD, air mass sensor, the signal that singlechip chip detects according to the control mass sensor, to fan speed-regulating control module, sterilization control module output control signal, automatically the speed of service of control fan and the unlatching of low-temperature plasma sterilization sterilization module, and on LCD, demonstrate in real time current air quality, realize the automatic control of system.
For the CN201765479U Chinese patent a kind of Portable indoor environment monitoring device is disclosed just like Granted publication number also, consisted of by room air checkout gear and indoor air-purification device, whether harmful gas concentration exceeds standard in the energy Real-Time Monitoring indoor environment, and provides the automatically startup indoor air-purification device of reporting to the police also when gas concentration exceeds standard.
Above-mentioned air cleaning unit just detects current indoor air quality, can not compare monitoring by multi-faceted collection air, shows that relatively air purifier purifies the data of front and back air quality indexes, judges the effect of air cleaning; Can not real-time quantitative show the variation of every air quality indexes of indoor purifying, can not be after purifying work a period of time, the air quality data initial with start compares, can not give the user intuitively air purification effect show.
The utility model content
Technical problem to be solved in the utility model provides before a kind of can relatively the purification and purifies rear air quality, intuitively shows the air purifier controlling device of clean-up effect.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of air purifier controlling device, comprise the CPU with single-chip microcomputer, the air sampling unit that is connected with described CPU, it is characterized in that, described air sampling unit comprises two position three way directional control valve, described two position three way directional control valve has the first sampling channel and the second sampling channel that is switched by described central processing unit controls, and the 3rd sampling channel that is communicated with the air purifier air duct outlet, described the first sampling channel with purify before room air be communicated with, air communication after described the second sampling channel and the purification, be provided with air mass sensor in described the 3rd sampling channel, described air mass sensor is connected with described CPU, and control device also comprises the signal that receives described CPU and the display unit that shows in real time.
Described air mass sensor comprises formaldehyde gas concentration sensor and combustable gas concentration sensor, detects the air quality of the 3rd sampling channel of flowing through, and passes the signal along to CPU, shows in real time on display unit after relatively judging.
Also comprise the peripheral sensing unit that detects IAQ, described peripheral sensing unit is connected to described CPU, the air quality in the prompting user environment of living in.
Described peripheral sensing unit comprises in temperature sensor, humidity sensor, light sensor, the dust concentration sensor at least.
Also comprise the power adjusting unit, motor during described power adjusting unit comprises and can control the frequency converter whether machine operation reaches velocity of rotation, described frequency converter is connected to described CPU, can regulate according to the IAQ that peripheral sensing unit detects the power of air purifier.
Also comprise the input block that is connected with described CPU, can input thus the benchmark data of each index, the setting of the row mode of going forward side by side, power etc.
Described CPU, display unit and input block become one, and can carry out the setting of automatic or manual.
Preferably, described input block is keyboard or touch-screen.
Also comprise the alarm unit that is connected with described CPU, described alarm unit comprises for the alarm of audible alarm and/or is used for the light emitting diode that light is reported to the police, but when air purifier lost efficacy or room air when exceeding standard reminding user note.
Compared with prior art, the utility model has the advantage of: CPU is according to the Detection of Air Quality information that receives, carrying out logic judges and computing, the power ratio control regulon, make clarifier carry out work by the most desirable operating mode, and send instruction and realize to display unit and alarm unit: the air quality data before and after 1) purifying in the in good time quantitative contrast demonstration work; 2) this system monitored data of initially starting shooting is retained always, can regularly primary data and current data be carried out at work the clean-up effect contrast and show, experiences intuitively to the user; 3) can judge whether the air purifier filter lost efficacy, and at the inefficacy alarm.
Description of drawings
Fig. 1 is the block diagram of air purifier controlling device of the present utility model;
Fig. 2 is the block diagram of air sampling of the present utility model unit;
Fig. 3 is control device workflow diagram of the present utility model.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of air purifier controlling device, comprise the CPU 1 with single-chip microcomputer, the power adjusting unit 2 that is connected with CPU 1, display unit 3, air sampling unit 4, alarm unit 5, peripheral sensing unit 6 and input block 7.
Display unit 3 in the utility model, adopts LCD display, is connected with CPU 1, and the signal that receives CPU 1 shows in real time.
Air sampling unit 4 referring to Fig. 2, comprises that 41, three sampling channels of two position three way directional control valve with three sampling channels are respectively the first sampling channel 411, the second sampling channel 412 and the 3rd sampling channel 413.Wherein, the first sampling channel 411 with purify before room air is communicated with, the second sampling channel 412 with purify after air communication, the 3rd sampling channel 413 exports with air purifier air duct and is communicated with.Be provided with air mass sensor in the 3rd sampling channel 413, such as formaldehyde gas concentration sensor 42, combustable gas concentration sensor 43 etc., the air mass signal that detects is delivered to CPU 1 compares judgement, the power of the Air Flow in this passage is located at the negative pressure generation that the air-flow flow at high speed forms behind the air purifier blower fan by its exit.
Formaldehyde gas concentration sensor 42 is electrochemical sensor, and the electricity parameter that utilizes the sensor gas sensitive changes to detect formaldehyde gas concentration with the variation of gas concentration.Combustable gas concentration sensor 43 utilizes gas sensitive (SnO2) characteristic, and when having fuel gas in the sensor environment of living in, the electrical conductivity of sensor increases with the increase of combustable gas concentration in the air, detects inflammable gas concentration.Can be by the first sampling channel 411 and the known normal concentration gas of the 3rd sampling channel 413 inputs of air sampling unit 4, air mass signal by CPU 1 PARA FORMALDEHYDE PRILLS(91,95) gas concentration sensor 42 and combustable gas concentration sensor 43 is revised calibration, to eliminate systematic error.
Alarm unit 5 comprises for the alarm of audible alarm and/or is used for the light emitting diode that light is reported to the police, and alarm and light emitting diode all are connected with CPU 1.
Input block 7 is keyboard or touch-screen, and the operator sends instruction by input block 7 to CPU 1.Display unit 3, input block 7 and CPU 1 can become one, and the pattern that can carry out automatic/hand is thereon set, the closing etc. of the speed setting of air purifier blower fan, alarm unit 5.
CPU 1 receives the signal of peripheral sensing unit 6 and input block 7, carries out logic and judges and computing, and carry out suitable action or demonstration, warning according to other each unit of output control.As, intensity of illumination signal according to light sensor 63 judges whether to be in Night, under Night, CPU 1 can automatically switch to lower activity grade, air quality indicator lamp on the air purifier etc. will extinguish (except the electric power on/off indicator lamp), fan speed and noise rank will reduce, and energy consumption will drop to minimum.If air cleaning, air purifier will shut down.If air quality worsens, air purifier will be with lower level campaigns, and the air quality indicator lamp still keeps extinguishing state.If indoor light brightens and keeps more than 5 minutes, then CPU 1 is with enabling.Adopt the photoelectricity isolation between CPU 1 and other unit, improve the reliability and stability of system.
The course of work of air purifier controlling device is as follows:
1) after the energising, carry out self check to installing each unit, and to peripheral sensing unit 6 each sensor, and formaldehyde gas concentration sensor 42 and combustable gas concentration sensor 43 preheating of switching on, central control unit 1 is controlled air sampling unit 4 passages, realizes gathering before filtering unit of air purifier the room air of unprocessed mistake by automatic switchover two position three way directional control valve 41; Start simultaneously the air purifier blower fan by carrying out work than the slow-speed of revolution;
2) preheating is after about one minute, each sensor output signal is stable, the signals such as the humiture of formaldehyde gas concentration sensor 42 and combustable gas concentration sensor 43 and peripheral sensing unit 6 each sensor and dust concentration, formaldehyde gas concentration, combustable gas concentration pass to CPU 1, and CPU 1 is presented at initial air quality monitoring data on the liquid crystal display of display unit 3 after the A/D conversion; And by computing and setting value contrast, judge which index exceeding standard, those qualifieds, which index are defective, and the index that works the mischief for health shows " danger " (also can carry out sound and light alarm to Danger Indexes simultaneously), data up to standard are shown " qualified ", and underproof index shows " defective ";
3) draw the IAQ grade according to computing contrast and judge and output order, adjust blower fan and purify watt level, to regulate the watt level of air purifier, be implemented in air quality when relatively poor, power raises automatically; When air quality was good, power reduced automatically, until quit work, reached an energy-saving effect;
4) operation is after several minutes, central control unit 1 control air sampling unit 4, realize behind filtering unit of air purifier, gathering the air of process purified treatment by automatic switchover two position three way directional control valve 41, and the air quality information of the process purified treatment that will monitor shows at the LCD display of display unit 3, and with switch before the IAQ information contrast of the unprocessed mistake that gathers, judge whether the air purifier filter lost efficacy, and when reaching capacity setting value, start alarm unit 5 and report to the police, the prompting user changes filter element;
5) after correction data is finished in monitoring, enter automatic operational mode, CPU 1 control air sampling unit 4, automatic switchover two position three way directional control valve 41 is realized gathering before filtering unit of air purifier and is not passed through the room air of purified treatment, sample normally, and its data are presented in real time on the LCD display of display unit 3, and power ratio control regulon 2 is regulated the power of air purifier;
6) CPU 1 receives the intensity of illumination signal of light sensor 63, judge whether to be in Night, if be yes, then switch to the pattern of working at night, if be no, then further judge whether to receive the manual command of input block 7, as receive, then switch to manual work pattern, as do not receive, then continue to maintain automatic operation mode.
The above only is preferred embodiment of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the principle prerequisite of the present utility model; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.
Claims (9)
1. air purifier controlling device, comprise the CPU (1) with single-chip microcomputer, the air sampling unit (4) that is connected with described CPU (1), it is characterized in that, described air sampling unit (4) comprises two position three way directional control valve (41), described two position three way directional control valve (41) has the first sampling channel (411) and the second sampling channel (412) that is switched by described CPU (1) control, and the 3rd sampling channel (413) that is communicated with the air purifier air duct outlet, described the first sampling channel (411) with purify before room air be communicated with, air communication after described the second sampling channel (412) and the purification, be provided with air mass sensor in described the 3rd sampling channel (413), described air mass sensor is connected with described CPU (1), and control device also comprises the signal that receives described CPU (1) and the display unit (3) that shows in real time.
2. air purifier controlling device as claimed in claim 1 is characterized in that, described air mass sensor comprises formaldehyde gas concentration sensor (42) and combustable gas concentration sensor (43).
3. air purifier controlling device as claimed in claim 1 or 2 is characterized in that, also comprises the peripheral sensing unit (6) that detects IAQ, and described peripheral sensing unit (6) is connected to described CPU (1).
4. air purifier controlling device as claimed in claim 3, it is characterized in that described peripheral sensing unit (6) comprises in temperature sensor (61), humidity sensor (62), light sensor (63), the dust concentration sensor (64) at least.
5. air purifier controlling device as claimed in claim 3, it is characterized in that, also comprise power adjusting unit (2), motor during described power adjusting unit (2) comprises and can control the frequency converter whether machine operation reaches velocity of rotation, described frequency converter is connected to described CPU (1).
6. air purifier controlling device as claimed in claim 1 or 2 is characterized in that, also comprises the input block (7) that is connected with described CPU (1).
7. air purifier controlling device as claimed in claim 6 is characterized in that, described CPU (1), display unit (3) and input block (7) become one.
8. air purifier controlling device as claimed in claim 6 is characterized in that, described input block (7) is keyboard or touch-screen.
9. air purifier controlling device as claimed in claim 1 or 2, it is characterized in that, also comprise the alarm unit (5) that is connected with described CPU (1), described alarm unit (5) comprises for the alarm of audible alarm and/or is used for the light emitting diode that light is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432082 CN202778115U (en) | 2012-08-28 | 2012-08-28 | Control device for air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432082 CN202778115U (en) | 2012-08-28 | 2012-08-28 | Control device for air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202778115U true CN202778115U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220432082 Withdrawn - After Issue CN202778115U (en) | 2012-08-28 | 2012-08-28 | Control device for air purifier |
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| CN (1) | CN202778115U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824790A (en) * | 2012-08-28 | 2012-12-19 | 宁波哲恺电器有限公司 | Control device of air purifier |
| CN103162356A (en) * | 2013-04-08 | 2013-06-19 | 无锡市崇安区科技创业服务中心 | Indoor air automatic purifying system |
| CN104728938A (en) * | 2015-03-31 | 2015-06-24 | 宁波欧琳厨房电器有限公司 | Air purifier capable of automatically reminding user to clean filter screen and control method thereof |
| CN104998486A (en) * | 2015-07-27 | 2015-10-28 | 时建华 | Air purifying device with alarm device |
| CN107478769A (en) * | 2016-10-19 | 2017-12-15 | 浙江绿盾环保科技有限公司 | A kind of air quality detector |
| TWI646287B (en) * | 2017-03-21 | 2019-01-01 | 蔣富成 | Intelligent air purifier |
| CN109876609A (en) * | 2019-04-19 | 2019-06-14 | 广西扬翔股份有限公司 | The control method and filtration system of filtration system |
-
2012
- 2012-08-28 CN CN 201220432082 patent/CN202778115U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102824790A (en) * | 2012-08-28 | 2012-12-19 | 宁波哲恺电器有限公司 | Control device of air purifier |
| CN102824790B (en) * | 2012-08-28 | 2015-02-04 | 宁波哲恺电器有限公司 | Control device of air purifier |
| CN103162356A (en) * | 2013-04-08 | 2013-06-19 | 无锡市崇安区科技创业服务中心 | Indoor air automatic purifying system |
| CN104728938A (en) * | 2015-03-31 | 2015-06-24 | 宁波欧琳厨房电器有限公司 | Air purifier capable of automatically reminding user to clean filter screen and control method thereof |
| CN104998486A (en) * | 2015-07-27 | 2015-10-28 | 时建华 | Air purifying device with alarm device |
| CN107478769A (en) * | 2016-10-19 | 2017-12-15 | 浙江绿盾环保科技有限公司 | A kind of air quality detector |
| TWI646287B (en) * | 2017-03-21 | 2019-01-01 | 蔣富成 | Intelligent air purifier |
| CN109876609A (en) * | 2019-04-19 | 2019-06-14 | 广西扬翔股份有限公司 | The control method and filtration system of filtration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130313 Effective date of abandoning: 20150204 |
|
| RGAV | Abandon patent right to avoid regrant |