CN216281968U - Air purifier - Google Patents
Air purifier Download PDFInfo
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- CN216281968U CN216281968U CN202122842911.7U CN202122842911U CN216281968U CN 216281968 U CN216281968 U CN 216281968U CN 202122842911 U CN202122842911 U CN 202122842911U CN 216281968 U CN216281968 U CN 216281968U
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- 238000009434 installation Methods 0.000 claims 1
- 238000004887 air purification Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 description 23
- 238000000034 method Methods 0.000 description 20
- 230000015654 memory Effects 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 13
- 238000012545 processing Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of air purification devices, in particular to an air purifier. The air purifier includes: filtering with a screen; the light emitting diodes are arranged above or below the filter screen along the height direction; photosensitive sensor, it is relative emitting diode set up in the filter screen is along the opposite side of direction of height, be suitable for the collection by emitting diode sees through the light of filter screen. Set up emitting diode and photosensitive sensor respectively through the upper and lower both sides at the filter screen, gather through photosensitive sensor and see through by emitting diode the light of filter screen conveniently supplies the control unit to calculate the actual life of filter screen according to the luminousness to better judgement filter screen's in service behavior, filter screen life-span calculates more accurately, and the actual condition of timely feedback filter screen avoids in-service use to remind untimely the user to lead to not in time changing the filter screen and make air purifier's purification ability decline to cause air secondary pollution.
Description
Technical Field
The utility model relates to the technical field of air purification devices, in particular to an air purifier.
Background
With the improvement of living standard of people, the requirement on indoor air quality is higher and higher, and the air purifier has gradually become a common household appliance for many families. The air purifier is usually provided with a filter screen, and the filter screen is used as a consumable part and needs to be replaced regularly. However, the service life of the filter screen is usually the service life of the filter screen directly set by a program before the filter screen leaves a factory, and the service life of the filter screen is calculated by a simple weighting mode.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the defect that the expiration time of the filter screen is not accurate through simple weighted calculation in the prior art, so that the air purifier capable of accurately calculating the residual service life of the filter screen is provided.
In order to solve the above technical problem, the present invention provides an air purifier, comprising:
filtering with a screen;
the light emitting diodes are arranged above or below the filter screen along the height direction;
photosensitive sensor, it is relative emitting diode set up in the filter screen is along the opposite side of direction of height, be suitable for the collection by emitting diode sees through the light of filter screen.
Optionally, the filter screen pull set up in air purifier's casing, the casing is suitable for sheltering from outside light right the shining of filter screen.
Optionally, air purifier still includes air intake and air outlet, and set up in the air intake with wind channel between the air outlet, the filter screen is in under the mounted state in the wind channel.
Optionally, the air purifier further comprises an electrode plate, wherein the electrode plate is arranged at a position relatively downstream of the filter screen along the airflow flowing direction.
Optionally, the light emitting diode is disposed below the filter screen along a height direction.
Optionally, the number of the light emitting diodes is multiple.
Optionally, the light emitting diode is adapted to transmit infrared light with a preset wavelength.
Optionally, the photosensitive sensor is an infrared sensor.
Optionally, the air purifier further comprises a control unit, and the control unit is electrically connected with the photosensitive sensor.
The technical scheme of the utility model has the following advantages:
1. according to the air purifier provided by the utility model, the light emitting diodes and the photosensitive sensors are respectively arranged on the upper side and the lower side of the filter screen, and the light rays transmitted by the light emitting diodes through the filter screen are collected by the photosensitive sensors, so that the control unit can conveniently calculate the actual service life of the filter screen according to the light transmittance, the service condition of the filter screen is better judged, the service life of the filter screen is calculated more accurately, the actual state of the filter screen is fed back in time, and the problem that a user does not replace the filter screen in time due to untimely reminding in actual use so that the purifying capacity of the air purifier is reduced and secondary air pollution is caused is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of an air purifier of the present invention;
FIG. 2 is a schematic flow chart of a method for detecting the lifetime of a filter screen of an air purifier according to the present invention;
FIG. 3 is a schematic structural diagram of a device for detecting the life of a filter screen of an air purifier according to the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to the present invention.
Description of reference numerals:
1-air outlet, 2-electrode plate, 3-filter screen, 4-air inlet, 5-light emitting diode, 6-photosensitive sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
With reference to fig. 2, the present embodiment provides a schematic flow chart of a method for detecting a lifetime of a filter screen of an air purifier, including:
and S21, collecting the initial light transmission information when the filter screen is not used.
And S22, determining the initial light transmittance of the filter screen based on the initial light transmittance information.
And S23, obtaining the initial service life of the filter screen.
The following description is made collectively for S21-S23:
in the embodiment of the utility model, the initial service life and the initial light transmission information of a brand new filter screen in the air purifier are firstly acquired, the initial service life can be acquired according to the specification attribute and the like of the filter screen, the initial light transmission information of the brand new filter screen is further acquired according to the photosensitive sensor, the light transmission information can include but is not limited to light transmission amount, light transmission brightness and the like, the initial light transmission information is converted into an electric signal, the electric signal is transmitted to a chip for processing through serial port communication, and the light transmittance of the brand new filter screen is calculated after the chip acquires data.
And S24, determining the corresponding relation between the light transmittance and the service life based on the initial service life and the initial light transmittance.
And performing correlation binding based on the obtained initial service life and the initial light transmittance of the brand new filter screen to obtain the corresponding relation between the light transmittance and the service life.
For example, if the transmittance of a new filter screen is 30%, the number of hours of the initial filter screen life is 300 hours, and the corresponding life ratio is 100%, then the transmittance per hour of the filter screen life is 0.1%, i.e., the filter screen life is reduced by 1 hour for each 0.1% reduction in transmittance.
S25, collecting the light transmission information of the filter screen of the air purifier when the air purifier is in a working state.
In the embodiment of the utility model, the current light transmission information of the filter screen can be acquired by the photosensitive sensor when the air purifier starts to work each time.
And S26, determining the current light transmittance of the filter screen based on the light transmittance information.
The current light transmission information is converted into an electric signal, the electric signal is transmitted to a chip for processing through serial port communication, and the current light transmission rate of the filter screen is calculated after the chip obtains data.
And S27, determining the remaining service life of the filter screen based on the current light transmittance.
And inquiring the corresponding relation between the light transmittance and the service life based on the current light transmittance, and determining the residual service life of the filter screen corresponding to the current light transmittance.
For example, when the current transmittance is 25%, the remaining lifetime is 250 hours.
S28, when the residual service life is smaller than or equal to a preset residual service life threshold value, early warning is carried out, and therefore a user can replace the filter screen based on the early warning.
In the embodiment of the utility model, a remaining life threshold (20 hours) can be set, and when the remaining life is less than the remaining life threshold, an early warning prompt can be performed, and the prompt mode can be a sound or light mode.
Optionally, the remaining life may also be displayed in hours.
The utility model provides a method for detecting the service life of a filter screen of an air purifier, which collects the light transmission information of the filter screen of the air purifier when the air purifier is in a working state; determining a current light transmittance of the filter screen based on the light transmittance information; based on current luminousness is confirmed the remaining life of filter screen compares in prior art the live time that the program just directly set up the filter screen before dispatching from the factory, calculates the life-span of filter screen through simple weighting mode, and there is not the actual service behavior of fine feedback filter screen, through this method, the remaining life of calculation filter screen that can be comparatively accurate reminds the user in time to change the filter screen, improves user's use impression.
Example two
Referring to fig. 1, the present embodiment provides an air purifier, which employs the method for detecting the service life of the filter screen of the air purifier, the air purifier includes:
a filter screen 3;
the light emitting diode 5 is arranged above or below the filter screen 3 along the height direction;
Preferably, the number of the light emitting diodes 5 may be plural. In this embodiment, the light emitting diode 5 is preferably disposed below the filter screen 3, and the two light emitting diodes below the filter screen may transmit infrared light with a predetermined wavelength, and preferably, the light sensor 6 may be an infrared sensor. The air purifier further comprises a control unit, and the control unit is electrically connected with the photosensitive sensor 6. The photosensitive sensor 6 positioned above the filter screen starts to collect light penetrating through the filter screen at the moment, converts the light into an electric signal, and transmits the collected electric signal to the control unit for processing through serial port communication.
The air purifier that this embodiment provided sets up emitting diode 5 and photosensitive sensor 6 respectively through the upper and lower both sides at filter screen 3, gathers through photosensitive sensor 6 and is seen through by emitting diode 5 filter screen 3's light conveniently supplies the control unit to calculate the actual life of filter screen according to the luminousness to better judgement filter screen's in service behavior, filter screen life-span calculation are more accurate, and the actual state of timely feedback filter screen avoids reminding untimely in-service to lead to the user not in time to change the filter screen and make air purifier's purifying power decline to cause air secondary pollution.
Even the filter screen warp because of the humidity, also can be through the luminousness that starts the during operation at every turn and detect the filter screen, better calculation and automated inspection filter screen's real-time status, filter screen life-span calculates more accurately, avoids appearing the condition that uses the filter screen that moulds for a long time.
Preferably, filter screen 3 pull set up in air purifier's casing, the casing is suitable for to shelter from external light right filter screen 3's irradiation, because the design in clarifier wind channel, filter screen 3 is in the position darker relatively in the wind channel, and it is little influenced by the natural light, photosensitive sensor 6 gather by emitting diode 5 sees through during the light of filter screen 3, can need not consider the influence of natural light to the sensor.
Specifically, filter screen 3 pull set up in air purifier's casing. After the filter screen is installed, the filter screen is reset through a preset key on the whole machine.
Air purifier still includes air intake 4 and air outlet 1, and set up in air intake 4 with the wind channel between the air outlet 1, filter screen 3 is in under the mounted state in the wind channel. Preferably, in this embodiment, the air inlet 4 is disposed at the bottom of the air purifier, and the air outlet 1 is disposed at the top of the air purifier.
Air purifier still includes electrode plate 2, electrode plate 2 set up in filter screen 3 is along the relative downstream position of air current flow direction, the quantity of electrode plate 2 can be a plurality ofly.
EXAMPLE III
Fig. 3 is a schematic structural diagram illustrating a device for detecting a lifetime of a filter screen of an air purifier according to an embodiment of the present invention. As shown in fig. 3, the apparatus includes:
and the acquisition module is used for acquiring the light transmission information of the filter screen of the air purifier when the air purifier is in a working state. For a detailed description, reference is made to the corresponding related description of the above method embodiments, which is not repeated herein.
And the determining module is used for determining the current light transmittance of the filter screen based on the light transmittance information. For a detailed description, reference is made to the corresponding related description of the above method embodiments, which is not repeated herein.
The determining module is further used for determining the remaining service life of the filter screen based on the current light transmittance. For a detailed description, reference is made to the corresponding related description of the above method embodiments, which is not repeated herein.
The device for detecting the service life of the filter screen of the air purifier provided by the embodiment of the utility model is used for executing the method for detecting the service life of the filter screen of the air purifier provided by the embodiment, the implementation mode and the principle are the same, and the detailed content refers to the relevant description of the method embodiment and is not repeated.
Example four
Fig. 4 shows an electronic device according to an embodiment of the present invention, and as shown in fig. 4, the electronic device may include a processor 901 and a memory 902, where the processor 901 and the memory 902 may be connected by a bus or by other means, and fig. 4 takes the example of being connected by a bus as an example.
The memory 902, which is a non-transitory computer readable storage medium, can be used for storing non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the methods provided in the embodiments of the present invention. The processor 901 executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory 902, that is, implements the methods in the above-described method embodiments.
The memory 902 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 901, and the like. Further, the memory 902 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 902 may optionally include memory located remotely from the processor 901, which may be connected to the processor 901 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 902, which when executed by the processor 901 performs the methods in the above-described method embodiments.
The specific details of the electronic device may be understood by referring to the corresponding related descriptions and effects in the above method embodiments, and are not described herein again.
Those skilled in the art will appreciate that all or part of the processes of the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a computer readable storage medium, and when executed, the processes of the embodiments of the methods described above can be included. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (9)
1. An air purifier, comprising:
a filter screen (3);
the light-emitting diode (5) is arranged above or below the filter screen (3) along the height direction;
photosensitive sensor (6), it is relative emitting diode (5) set up in filter screen (3) are along the opposite side of direction of height, be suitable for the collection by emitting diode (5) see through the light of filter screen (3).
2. Air purifier according to claim 1, characterized in that the filter screen (3) is arranged drawn in a housing of the air purifier, the housing being adapted to block the filter screen (3) from external light.
3. The air purifier according to claim 1, further comprising an air inlet (4) and an air outlet (1), and an air duct disposed between the air inlet (4) and the air outlet (1), wherein the filter screen (3) is disposed in the air duct in an installation state.
4. The air cleaner according to claim 3, further comprising an electrode plate (2), wherein the electrode plate (2) is disposed at a relatively downstream position of the filter screen (3) in a flow direction of the air flow.
5. Air purifier according to claim 1, characterized in that the light emitting diodes (5) are arranged in height direction relatively below the filter screen (3).
6. Air purifier according to claim 5, characterized in that the number of light emitting diodes (5) is multiple.
7. Air purifier according to any one of claims 1-6, characterized in that the light emitting diode (5) is adapted to transmit infrared light of a preset wavelength.
8. Air purifier according to claim 7, characterized in that the light sensitive sensor (6) is an infrared sensor.
9. Air purifier according to any one of claims 1-6, further comprising a control unit electrically connected to the light sensitive sensor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842911.7U CN216281968U (en) | 2021-11-18 | 2021-11-18 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842911.7U CN216281968U (en) | 2021-11-18 | 2021-11-18 | Air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216281968U true CN216281968U (en) | 2022-04-12 |
Family
ID=81035943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122842911.7U Active CN216281968U (en) | 2021-11-18 | 2021-11-18 | Air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216281968U (en) |
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2021
- 2021-11-18 CN CN202122842911.7U patent/CN216281968U/en active Active
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