CN205655444U - Air purifier - Google Patents
Air purifier Download PDFInfo
- Publication number
- CN205655444U CN205655444U CN201620409307.1U CN201620409307U CN205655444U CN 205655444 U CN205655444 U CN 205655444U CN 201620409307 U CN201620409307 U CN 201620409307U CN 205655444 U CN205655444 U CN 205655444U
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- air cleaner
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- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 102000016943 Muramidase Human genes 0.000 description 2
- 108010014251 Muramidase Proteins 0.000 description 2
- 108010062010 N-Acetylmuramoyl-L-alanine Amidase Proteins 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229960000274 lysozyme Drugs 0.000 description 2
- 235000010335 lysozyme Nutrition 0.000 description 2
- 239000004325 lysozyme Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model provides an air purifier, includes the filter screen, air purifier include detection circuitry, detection circuitry be used for detecting including the sampling module the pressure of filter screen to output sample voltage, master module is used for providing reference voltage, relatively the module respectively with sampling module and master module be coupled for sample voltage and reference voltage's value relatively, outlet driving signal when sample voltage is greater than reference voltage after, the module of delaying and relatively the module is coupled, receive and export control signal behind the drive signal of the time of predetermineeing, drive module with the time delay module is coupled, is controlled by control signal work alarm output signal, alarm module with drive module is coupled, is controlled by alarm signal reports to the police, and detection circuitry detects the pressure that the filter screen received, and sedimentary dust is after too much on the filter screen, and the filter screen receives the pressure grow of air, and detection circuitry reports to the police and infories the staff to change the filter screen.
Description
Technical field
This utility model relates to air purification field, particularly to a kind of air cleaner.
Background technology
Along with the improvement of people's life, the health problem that air pollution is caused by everybody is the most increasingly paid attention to, and finishing pollution also becomes the important polluter of resident living, and air purifier receives the welcome of more and more people.Air purifier is that various air pollutants (generally comprising the finishing pollution of PM2.5, pollen, abnormal flavour, formaldehyde etc, antibacterial, anaphylactogen etc.) can be adsorbed, decompose or be converted to one, is effectively improved the product of air cleanliness.But the filter screen of existing air purifier is all built-in, if filter screen to be changed, then need to take apart by air purifier, cause and change the loaded down with trivial details of operation.
The Chinese patent of Application No. CN201320394680.0, including air purifier, described air purifier has air inlet, gas outlet and is positioned at the air flue within described air purifier, and described air inlet is through with described gas outlet by the air flue of described air purifier；Wherein, there are in the air flue of described air purifier five dismountable filter screens, described filter screen is followed successively by formaldehyde drainage screen, activated charcoal strainer, highly effective air (HEPA) drainage screen, lysozyme drainage screen and humidifying filter screen along described air inlet to direction, described gas outlet, a kind of air purifier of the detachable strainer of this product, use by dismountable filter screen, make, when air purifier needs to change filter screen, to extract the most replaceable cleaning of the framework with filter screen.Simultaneously, filtered and the use of humidifying filter screen by formaldehyde drainage screen, activated charcoal strainer, highly effective air (HEPA) drainage screen, lysozyme, effectively air is purified, but this air purifier is filtering for a long time when, drainage screen has a large amount of dust and stockpiles, and causes air purifier blocking normally to work, and it should be changed by staff, but staff cannot know when that drainage screen can block, it is impossible to complete in time it to replace.
Utility model content
The purpose of this utility model is to provide a kind of air cleaner, it is possible to detecting the drainage screen of air purifier, served as reporting to the police during filter net jam, drainage screen is replaced by prompting staff.
Above-mentioned purpose of the present utility model has the technical scheme that
A kind of air cleaner, including drainage screen, described air cleaner includes testing circuit, described testing circuit includes that sampling module is for detecting the pressure of described drainage screen, and export sampled voltage, base modules is used for providing reference voltage, comparison module couples with described sampling module and base modules respectively, for comparing the value of sampled voltage and reference voltage, output drive signal after sampled voltage is more than reference voltage, time delay module couples with described comparison module, control signal is exported after receiving the driving signal of Preset Time, module is driven to couple with described time delay module, it is controlled by described control signal work output alarm signal, alarm module and described driving module couples, it is controlled by described alarm signal to report to the police.
By using technique scheme, the pressure suffered by drainage screen is detected by testing circuit, and after on drainage screen, the dust of deposition is too much, drainage screen is become big by the pressure of air, and testing circuit carries out alert notice staff and is replaced drainage screen.
This utility model can be further arranged to, and described sampling module includes pressure transducer.
By using technique scheme, pressure transducer is able to detect that drainage screen bears the pressure of air, and converts the pressure to voltage signal.
This utility model can be further arranged to, described base modules includes the first reference resistance, the second reference resistance and the 3rd reference resistance, the first described reference resistance couples with described second reference resistance, the node that described first reference resistance and described second reference resistance couple couples described comparison module, and described second reference resistance is connected with described 3rd reference resistance ground connection.
By using technique scheme, provide reference voltage by the first reference resistance, the second reference resistance and the 3rd reference resistance dividing potential drop for comparison module.
This utility model can be further arranged to, and the 3rd described reference resistance is variable resistance.
By using technique scheme, by regulating the resistance of the 3rd reference resistance, and then change the dividing potential drop of the 3rd reference resistance, reach to change the purpose of reference voltage.
This utility model can be further arranged to, described driving module includes the first driving resistance, the second driving resistance and drives audion, described first drives resistance to drive resistant series ground connection with described second, described first drives resistance to drive the node of resistance to couple the base stage of described driving audion with described second, and the colelctor electrode of described driving audion couples described alarm module.
By using technique scheme, driving resistance, the second driving electric resistance partial pressure by first is that the base stage driving audion provides voltage, makes driving triode ON.
This utility model can be further arranged to, time delay module includes crystal oscillator, enumerator and depositor, described crystal oscillator is used for providing time moderate pulse, enumerator for counting and is deposited in depositor, is output control signals to drive module by the outfan of enumerator after the driving signal of enumerator reception Preset Time.
By using technique scheme, time block includes crystal oscillator, enumerator and depositor, can be reached the effect of stable time delay by the cooperation of these three components and parts.
This utility model can be further arranged to, and described alarm module includes that indicating member, described indicating member include display lamp, with described driving module couples.
By using technique scheme, pointed out by the light on and off of display lamp, make display lamp play the function of warning.
This utility model can be further arranged to, and described display lamp is connected the first protective resistance.
By using technique scheme, the first protective resistance has the effect of dividing potential drop, it is possible to display lamp plays the effect of protection so that it is will not cause because instantaneous voltage is excessive damaging.
This utility model can be further arranged to, and described alarm module includes that speaker unit, described speaker unit include speaker, with described driving module couples.
By using technique scheme, staff is played the effect of warning by the function raised one's voice by speaker.
This utility model can be further arranged to, described loudspeaker in series the second protective resistance.
By using technique scheme, the second protective resistance has the effect of dividing potential drop, it is possible to speaker plays the effect of protection so that it is will not cause because instantaneous voltage is excessive damaging.
In sum, this utility model has the advantages that
nullPressure suffered by drainage screen is detected by testing circuit，After on drainage screen, the dust of deposition is too much，Drainage screen is become big by the pressure of air，Testing circuit carries out alert notice staff and is replaced drainage screen，Sampling module includes pressure transducer，Pressure transducer is able to detect that drainage screen bears the pressure of air，And convert the pressure to voltage signal，Time delay module can play the effect of time delay，Only after pressure continues Preset Time, alarm module just can be reported to the police，Prevent, because the up time pressure of drainage screen is excessive, false alarm occurs，Alarm module includes indicating member，Described indicating member includes display lamp，With described driving module couples，Pointed out by the light on and off of display lamp，Display lamp is made to play the function of warning，Speaker unit，Described speaker unit includes speaker，With described driving module couples，Staff is played the effect of warning by the function raised one's voice by speaker.
Accompanying drawing explanation
Fig. 1 is testing circuit schematic diagram.
In figure, 110, base modules；120, sampling module；130, comparison module；140, time delay module；150, module is driven；160, alarm module；161, indicating member；162, speaker unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As shown in Figure 1, a kind of testing circuit schematic diagram of air cleaner, including sampling module 120 for detecting the pressure of described drainage screen, and export sampled voltage, base modules 110 is used for providing reference voltage, comparison module 130 couples with described sampling module 120 and base modules 110 respectively, for comparing the value of sampled voltage and reference voltage, output drive signal after sampled voltage is more than reference voltage, time delay module 140 couples with described comparison module 130, control signal is exported after receiving the driving signal of Preset Time, module 150 is driven to couple with described time delay module 140, it is controlled by described control signal work output alarm signal, alarm module 160 couples with described driving module 150, it is controlled by described alarm signal to report to the police.
Sampling module 120 includes that pressure transducer, pressure transducer are able to detect that drainage screen bears the pressure of air, and converts the pressure to voltage signal.
Base modules 110 includes the first reference resistance R11, second reference resistance R12 and the 3rd reference resistance R13, the first described reference resistance R11 couples with described second reference resistance R12, the node that described first reference resistance R11 couples with described second reference resistance R12 couples described comparison module 130, described second reference resistance R12 and described 3rd reference resistance R13 connects ground connection, by the first reference resistance R11, second reference resistance R12 and the 3rd reference resistance R13 dividing potential drop provide reference voltage for comparison module 130, the 3rd described reference resistance R13 is variable resistance, by regulating the resistance of the 3rd reference resistance R13, and then change the dividing potential drop of the 3rd reference resistance R13, reach to change the purpose of reference voltage.
Module 150 is driven to include the first driving resistance R14, the second driving resistance R15 and drive audion Q1, described first drives resistance R14 to connect ground connection with the described second driving resistance R15, described first drives resistance R14 to drive the node of resistance R15 to couple the base stage of described driving audion Q1 with described second, the colelctor electrode of described driving audion Q1 couples described alarm module 160, driving resistance R14, the second driving resistance R15 dividing potential drop by first is that the base stage driving audion Q1 provides voltage, makes driving audion Q1 turn on.
Time delay module 140 includes crystal oscillator, enumerator and depositor, described crystal oscillator is used for providing time moderate pulse, enumerator for counting and is deposited in depositor, output control signals to drive module 150 by the outfan of enumerator after the driving signal of enumerator reception Preset Time, time block includes crystal oscillator, enumerator and depositor, can be reached the effect of stable time delay by the cooperation of these three components and parts.
Alarm module 160 includes indicating member 161; described indicating member 161 includes display lamp L; couple with described driving module 150; pointed out by the light on and off of display lamp L; making display lamp L play the function of warning, described display lamp L connects the first protective resistance R16, and the first protective resistance R16 has the effect of dividing potential drop; display lamp L can be played the effect of protection so that it is will not cause because instantaneous voltage is excessive damaging.
Described alarm module 160 includes speaker unit 162; described speaker unit 162 includes speaker B; couple with described driving module 150; staff is played the effect of warning by the function raised one's voice by speaker B; described loudspeaker in series the second protective resistance R17; second protective resistance R17 has the effect of dividing potential drop, it is possible to speaker B plays the effect of protection so that it is will not cause because instantaneous voltage is excessive damaging.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. an air cleaner, including drainage screen, is characterized in that: described air cleaner includes that testing circuit, described testing circuit include
Sampling module (120), for detecting the pressure of described drainage screen, and exports sampled voltage；
Base modules (110), is used for providing reference voltage；
Comparison module (130), couples with described sampling module (120) and base modules (110) respectively, for comparing the value of sampled voltage and reference voltage, and output drive signal after sampled voltage is more than reference voltage；
Time delay module (140), couples with described comparison module (130), exports control signal after receiving the driving signal of Preset Time；
Drive module (150), couple with described time delay module (140), be controlled by described control signal work output alarm signal；
Alarm module (160), couples with described driving module (150), is controlled by described alarm signal and reports to the police.
A kind of air cleaner the most according to claim 1, is characterized in that: described sampling module (120) includes pressure transducer.
A kind of air cleaner the most according to claim 1, it is characterized in that: described base modules (110) includes the first reference resistance, the second reference resistance and the 3rd reference resistance, the first described reference resistance couples with described second reference resistance, the node that described first reference resistance and described second reference resistance couple couples described comparison module (130), and described second reference resistance is connected with described 3rd reference resistance ground connection.
A kind of air cleaner the most according to claim 3, is characterized in that: described 3rd reference resistance is variable resistance.
A kind of air cleaner the most according to claim 1, it is characterized in that: described driving module (150) includes the first driving resistance, the second driving resistance and drives audion, described first drives resistance to drive resistant series ground connection with described second, described first drives resistance to drive the node of resistance to couple the base stage of described driving audion with described second, and the colelctor electrode of described driving audion couples described alarm module (160).
A kind of air cleaner the most according to claim 1, it is characterized in that: time delay module (140) includes crystal oscillator, enumerator and depositor, described crystal oscillator is used for providing time moderate pulse, enumerator for counting and is deposited in depositor, is output control signals to drive module (150) by the outfan of enumerator after the driving signal of enumerator reception Preset Time.
A kind of air cleaner the most according to claim 1, it is characterized in that: described alarm module (160) includes indicating member (161), described indicating member (161) includes display lamp, couples with described driving module (150).
A kind of air cleaner the most according to claim 7, is characterized in that: described display lamp is connected the first protective resistance.
A kind of air cleaner the most according to claim 1, it is characterized in that: described alarm module (160) includes speaker unit (162), described speaker unit (162) includes speaker, couples with described driving module (150).
A kind of air cleaner the most according to claim 9, is characterized in that: described loudspeaker in series the second protective resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409307.1U CN205655444U (en) | 2016-05-07 | 2016-05-07 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409307.1U CN205655444U (en) | 2016-05-07 | 2016-05-07 | Air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205655444U true CN205655444U (en) | 2016-10-19 |
Family
ID=57401258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409307.1U Expired - Fee Related CN205655444U (en) | 2016-05-07 | 2016-05-07 | Air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205655444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117482662A (en) * | 2023-12-25 | 2024-02-02 | 珠海格力智能装备有限公司 | Control method, device, equipment and medium of dust removal system |
-
2016
- 2016-05-07 CN CN201620409307.1U patent/CN205655444U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117482662A (en) * | 2023-12-25 | 2024-02-02 | 珠海格力智能装备有限公司 | Control method, device, equipment and medium of dust removal system |
| CN117482662B (en) * | 2023-12-25 | 2024-04-26 | 珠海格力智能装备有限公司 | Control method, device, equipment and medium of dust removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190416 Address after: 100000 No. 4 Cultural South Street, Pinggu Town, Pinggu District, Beijing Patentee after: Beijing Sun Snow Electrical Engineering Co., Ltd. Address before: 100000 Beijing Pinggu District Zhongguancun Science and Technology Park Pinggu Park Xinggu A District 6-10 Patentee before: Sonsno (Beijing) air purification technology development Co., Ltd. |
|
| 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: 20161019 Termination date: 20210507 |