CN112728720A - Replacement control method for filter screen of air purifier - Google Patents
Replacement control method for filter screen of air purifier Download PDFInfo
- Publication number
- CN112728720A CN112728720A CN202110059039.0A CN202110059039A CN112728720A CN 112728720 A CN112728720 A CN 112728720A CN 202110059039 A CN202110059039 A CN 202110059039A CN 112728720 A CN112728720 A CN 112728720A
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- China
- Prior art keywords
- filter screen
- air purifier
- filter
- locking device
- rod
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention discloses a replacement control method of a filter screen of an air purifier, which comprises the following steps: detecting air outlet parameters of the air purifier when the air purifier is started in real time; comparing the detected air outlet parameter with a third valve value in real time; if the detected air outlet parameter is higher than the third threshold value, sending out a reminding message for replacing the filter screen of the air purifier; and replacing the filter screen. If the detected air outlet parameter is higher than the third threshold value, the air purifier sends out a reminding message of replacing the filter screen of the air purifier to remind a user to clean or update the filter screen in time, so that the air purification quality is ensured.
Description
Technical Field
The invention belongs to the technical field of air purifiers, and particularly relates to a replacement control method for a filter screen of an air purifier.
Background
The air purifier filter device utilizes the filter screen to realize the evolution of the air to improve the indoor air quality. After long-term use, the filter screen can accumulate the filtration debris such as dust, needs often to dismantle clearance or change. However, in practical use, the filter screen is often dirty but not cleaned or replaced, which affects the air purification quality.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a replacement control method of a filter screen of an air purifier.
(II) technical scheme
In order to solve the technical problem, the invention provides a replacement control method of a filter screen of an air purifier, which is characterized by comprising the following steps of: detecting air outlet parameters of the air purifier when the air purifier is started in real time; comparing the detected air outlet parameter with a third valve value in real time; if the detected air outlet parameter is higher than the third threshold value, sending out a reminding message for replacing the filter screen of the air purifier; and replacing the filter screen.
The air outlet channel of the air purifier is provided with an air purifier filtering device, and the air purifier filtering device comprises a main body, two filter screens, a locking device and an upper interlocking device and a lower interlocking device; wherein, change the filter screen step and include: and operating the locking device, enabling one of the two filter screens to be in an unlocking state and the other filter screen to be in a locking state by the locking device and the upper and lower interlocking devices, taking out the unlocked filter screens, and installing the filter screens on the air purifier filter device to be in the upper position, wherein the two filter screens are all locked by the locking device.
The locking device comprises an adjusting block, a connecting rod, a bolt and a first reset spring, the connecting rod, the bolt and the first reset spring are respectively provided with two parts, when the locking device is in a free state, under the action of the two first reset springs, the locking device is in an up-and-down parallel symmetrical state in a locking device mounting groove of the main body, and the two bolts are partially inserted into bolt holes of the two filter screens, so that the two filter screens are ensured to be in a locking state.
The locking device realizes that one of the two filter screens is in an unlocking state and the other filter screen is in a locking state by shifting the adjusting block.
When the adjusting block is shifted downwards, the locking device overcomes the integral downward movement of the first reset spring at the lower end, the bolt at the upper end is separated from the bolt hole of the filter screen at the upper layer, the filter screen at the upper layer can be taken out, and the bolt at the lower end is deeper into the bolt hole of the filter screen at the lower layer, so that the filter screen at the lower layer is still in a locking state.
When the adjusting block is stirred upwards, the locking device overcomes the integral upward movement of the first reset spring at the upper end, the bolt at the lower end is separated from the bolt hole of the filter screen at the lower layer, the filter screen at the lower layer can be taken out, the bolt at the upper end penetrates into the bolt hole of the filter screen at the upper layer more, and the filter screen at the upper layer is ensured to be still in a locking state.
The upper interlocking device and the lower interlocking device comprise interlocking rods and second return springs; the interlocking rod comprises a vertical connecting rod and ejector rods which are symmetrically distributed at two ends of the connecting rod and are in cross connection with the connecting rod.
The upper interlocking device and the lower interlocking device are provided with two interlocking devices, a top rod at the upper end of one interlocking device is matched with the lock hole at the side edge of the filter screen at the corresponding upper layer, and a top rod at the lower end of the other interlocking device is matched with the lock hole at the side edge of the filter screen at the corresponding lower layer.
When two filter screens are inserted into the filter screen mounting holes in place, one ejector rod on the interlocking rod can be jacked open by one filter screen, so that the other ejector rod on the interlocking rod cannot be inserted into the lock hole of the other filter screen, and the two filter screens are not locked by the upper interlocking device and the lower interlocking device.
When one filter screen is taken out, the interlocking rod pushed open by the filter screen rebounds under the reset force of the second reset spring, so that a top rod of the interlocking rod is inserted into the locking hole of the other filter screen, and the purpose of locking the filter screen which is not taken out is achieved.
(III) advantageous effects
Compared with the prior art, if the detected air outlet parameter is higher than the third threshold value, which indicates that more dust is on the filter screen and the air can not be well purified, the air purifier sends out a reminding message of replacing the filter screen of the air purifier to remind a user to clean or update the filter screen in time, so that the air purification quality is ensured.
Drawings
Fig. 1 is a schematic diagram of a filter screen replacement control method of an air purifier according to the present invention.
Fig. 2 is a schematic structural view of a double-layer filter screen structure interlocked with each other in the upper and lower direction according to the present invention.
Fig. 3 is a schematic exploded view of the structure of a double layer filter structure interlocked one above the other according to the present invention.
Fig. 4 is a partial cross-sectional view of a double layer screen construction of the present invention interlocked one above the other.
Fig. 5 is a schematic view of the construction of the locking device of the present invention.
Fig. 6 is a schematic cross-sectional view of the structure of a double-layered filter structure according to the present invention interlocked with each other.
Fig. 7 is a schematic structural diagram of the filter screen of the present invention.
Description of reference numerals: 1. a main body; 2. a filter screen; 3. a locking device; 4. an upper and lower interlock device; 5. a pressure spring; 11. a channel; 12. a filter screen mounting hole; 13. a locking device mounting groove; 14. a first cover plate; 15. an upper and lower interlock mounting groove; 16. a second cover plate; 21. a pin hole; 22. a lock hole; 23. a filter screen main body; 24. the side of the filter screen; 31. an adjusting block; 32. a connecting rod; 33. a bolt; 34. a first return spring; 41. an interlock lever; 42. a second return spring; 121. a pressure spring mounting hole; 131. an adjustment groove; 132. a movable groove; 133. a connecting rod slot; 134. a bolt movable hole; 141. a sliding groove; 151. a connecting rod movable slot; 152. a mandril movable hole; 311. a movable rod; 312. adjusting a rod; 331. a first inclined surface; 411. a connecting rod; 412. a top rod; 4121. a second inclined surface.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The method for controlling the replacement of the filter screen of the air purifier of the embodiment comprises the following steps as shown in figure 1
And S1, detecting the air outlet parameters of the air purifier when the air purifier is opened in real time.
And S2, comparing the detected air outlet parameter with a third valve value in real time.
And S3, if the detected air outlet parameter is higher than the third threshold value, sending out a reminding message for replacing the filter screen of the air purifier.
And S4, replacing the filter screen.
This embodiment is through the air-out parameter when detecting air purifier and opening, for example air-out speed or air-out pressure to the air-out parameter that will detect in real time compares with the third threshold, if the air-out parameter that detects is higher than the third threshold, indicates that the dust on the filter screen is more, can not carry out better air purification to the air, then sends the warning information of changing the air purifier filter screen.
The filter screen of the embodiment is installed on a filter device of an air purifier, the filter device of the air purifier is positioned on an air outlet channel of the air purifier, the structure of the filter device of the air purifier is a double-layer filter screen structure which is interlocked up and down as shown in fig. 2 and fig. 3, and the structure of the filter device of the air purifier comprises a main body 1, a filter screen 2, a locking device 3 and an up-down interlocking device 4 as shown in fig. 1 and fig. 2; the main body 1 is provided with a vertically through channel 11, the front surface of the main body 1 is provided with two filter screen mounting holes 12 which are matched with the filter screen 2 and are distributed vertically in parallel, and the filter screen mounting holes 12 are matched with the radial through channel 11; the locking device 3 and the up-down interlocking device 4 are arranged on the side surface of the main body 1 in a matching way; the filter screens 2 are divided into two parts, and the two filter screens 2 are respectively installed in one filter screen installation hole 12 in a matching manner and isolate a channel 11; the locking device 3 is matched with and locks and fixes the filter screen 2; the up-down interlock means 4 can lock one filter net 2 when the other filter net 2 is detached from the main body 1. By adopting the structure, one filter screen is locked on the main body in the process of dismounting and replacing the filter screens through interlocking of the two filter screens, so that the situation that the filter screens are dismounted and forgotten to be remounted can be effectively avoided, at least one filter screen is always arranged in the main body, and the normal operation of the filtering effect is ensured.
As shown in fig. 3, 4 and 5, in the present embodiment, the locking device 3 includes an adjusting block 31, a connecting rod 32, a bolt 33 and a first return spring 34; the upper and lower surfaces of the adjusting block 31 extend out of movable rods 311 which are coaxially and symmetrically distributed; a locking device mounting groove 13 and a first cover plate 14 covering the locking device mounting groove 13 are formed on the side surface of the main body 1; the locking device mounting groove 13 comprises an adjusting groove 131, a movable groove 132, a connecting rod groove 133 and a bolt moving hole 134, wherein the adjusting groove 131 is used for enabling the adjusting block 31 to slide up and down in the middle, the movable groove 132 is vertically and symmetrically communicated with the adjusting groove 131 and matched with the movable rod 311, the connecting rod groove 133 is vertically and symmetrically communicated with the movable groove 132 and used for enabling the connecting rod 32 to move, and the bolt moving hole 134 is matched with the bolt 33 and simultaneously communicated with the connecting rod groove 133 and the filter screen; the side edge of the filter screen 2 is provided with a bolt hole 21 which is matched with the bolt 33 and corresponds to the bolt movable hole 134; the connecting rod 32, the bolt 33 and the first return spring 34 are respectively provided with two parts; the upper and lower movable rods 311 of the adjusting block 31 are respectively hinged with one connecting rod 32 in a matching manner, the tail end of each connecting rod 32 is respectively hinged with one bolt 33 in a matching manner, and the first return spring 34 is sleeved on the movable rod 311 in a matching manner; the locking device 3 is arranged in the locking device mounting groove 13 in a matching way and covers the first cover plate 14; the adjusting block 31 is arranged in the adjusting groove 131 in a matching mode, the first return spring 34 is arranged between the end face of the adjusting groove 131 and the adjusting block 31 in a matching mode, the movable rod 311 is arranged in the movable groove 132 in a matching mode, the connecting rod 32 is arranged in the connecting groove 133 in a matching mode, and the bolt 33 penetrates through the bolt movable hole 134 and then is inserted into the bolt hole 21 in the filter screen 2 in a matching mode.
When the locking device 3 is in a free state, under the action of the two first return springs 34, the locking device 3 is in a vertically parallel and symmetrical state in the locking device mounting groove 13 of the main body 1, and parts of the two pins 33 enter the pin holes 21 of the two filter screens 2, so that the two filter screens 2 are ensured to be in a locking state; when the adjusting block 31 is shifted downwards, the locking device 3 overcomes the first return spring 34 at the lower end to move downwards integrally, the bolt 33 at the upper end is separated from the bolt hole 21 of the upper filter screen 2, so that the upper filter screen 2 can be taken out, and the bolt 33 at the lower end is deeper into the bolt hole 21 of the lower filter screen 2, so that the lower filter screen 2 is ensured to be in a locking state; on the contrary, when the adjusting block 31 is shifted upwards, the lower filter screen 2 can be taken out, and the upper filter screen 2 is in a locking state.
As shown in fig. 3, 4 and 5, in the present embodiment, the adjusting rod 312 is disposed on the side surface of the adjusting block 31, and the first cover plate 14 is provided with a sliding groove 141 for the adjusting rod 312 to slide up and down; the adjustment lever 312 of the adjustment block 31 protrudes from the sliding groove 141 of the first cover plate 14. The invention can stir the adjusting block 31 to move up and down through the adjusting rod 312 exposed at the side of the main body 1, thereby achieving the purpose of controlling the locking state of the upper and lower layers of filter screens 2, and being simple and practical.
As shown in fig. 5, in the present embodiment, the tip end of the latch 33 is provided with a first inclined surface 331, and the first inclined surface 331 faces the opening direction of the filter mounting hole 12. By adopting the structure, when the filter screen 2 is inserted into the filter screen mounting hole 12, the bolt 33 can be jacked open to be mounted in place through the first inclined surface 331, and the bolt 33 cannot be automatically separated when inserted into the bolt hole 21 of the filter screen 2.
As shown in fig. 3 and 6, in the present embodiment, the up-down interlock device 4 includes an interlock lever 41 and a second return spring 42; the interlock rod 41 comprises a vertical connecting rod 411 and top rods 412 which are symmetrically distributed at two ends of the connecting rod 411 and are crosswise connected with the connecting rod 411; an up-down interlocking device mounting groove 15 and a second cover plate 16 covering the up-down interlocking device mounting groove 15 are formed on two sides of the main body 1; the upper and lower interlocking device mounting groove 15 comprises a connecting rod movable groove 151 in the middle for lateral movement of the connecting rod 411 and a push rod movable hole 152 which is matched with the push rod 412 and simultaneously penetrates through the connecting rod movable groove 151 and the filter screen mounting hole 12; the side edge of the filter screen 2 is provided with a lock hole 22 matched with the top rod 412; the interlock rod 41 is installed in the upper and lower interlock device installation groove 15 in a matching manner, the connecting rod 411 is installed in the connecting rod movable groove 151 in a matching manner, the front end of the ejector rod 412 is inserted into the ejector rod movable hole 152 in a matching manner, the rear end of the connecting rod 411 is sleeved with the second return spring 42 in a matching manner, and the second cover plate 16 covers the upper and lower interlock device installation groove 15 in a matching manner; the second return spring 42 is matched and acts between the connecting rod 411 and the second cover plate 16; the two sides of the main body 1 are respectively provided with the up-down interlocking device 4, a top rod 412 at the upper end of one up-down interlocking device 4 is matched with the lock hole 22 corresponding to the side edge of the upper filter screen 2, and a top rod 412 at the lower end of the other up-down interlocking device 4 is matched with the lock hole 22 corresponding to the side edge of the lower filter screen; the top bar 412 has a second inclined surface 4121 at the front end thereof, and the second inclined surface 4121 faces the opening direction of the filter attachment hole 12.
When two filter screens 2 are inserted into the filter screen mounting holes 12 in place, one ejector rod 412 on the interlock rod 41 is pushed open by one filter screen 2, so that the other ejector rod 412 on the interlock rod 41 cannot be inserted into the lock hole 22 of the other filter screen 2, and the two filter screens 2 are not locked by the up-down interlocking device 4; when a filter screen 2 is taken out, the interlocking rod 41 pushed away by the filter screen 2 rebounds under the restoring force of the second restoring spring 42, so that a top rod 412 of the interlocking rod 41 is inserted into the lock hole 22 of another filter screen 2, the purpose of locking the filter screen 2 which is not taken out is achieved, two filter screens 2 of the product can not be taken out simultaneously, and one filter screen 2 is required to play a role in filtering.
As shown in fig. 3, in this embodiment, a pressure spring mounting hole 121 is formed at the bottom end of the filter screen mounting hole 12, a pressure spring 5 is fixedly connected in the pressure spring mounting hole 121, and the pressure spring 5 is matched to act between the bottom end of the pressure spring mounting hole 121 and the filter screen 2. The structure is added, when the bolt 33 is separated from the bolt hole 21 of the filter screen 2, the filter screen 2 can be ejected out of the filter screen mounting hole 12 of the main body 1 by utilizing the restoring force of the spring 5, the filter screen 2 is convenient to detach, and the structure is simple and practical.
As shown in fig. 7, in the present embodiment, the filter screen 2 includes a filter screen main body 23, and filter screen side edges 24 fixedly connected to two sides of the filter screen main body 23; the bolt hole 21 and the lock hole 22 are arranged on the side edge 24 of the filter screen, and the bolt hole 21 and the lock hole 22 are horizontally staggered on the side edge 24 of the filter screen, so that the bolt 33 is prevented from being inserted into the lock hole 22 by mistake.
In the embodiment, the filter screen sides 24 are fixedly connected to two sides of the filter screen main body 23 through a magic tape structure, the filter screen main body 23 can be a conventional filter screen, and the two filter screen sides 24 can be of the same structure, so that the mass production is convenient, and the filter screen is economical and practical; moreover, the filter screen side 24 and the filter screen main body 23 are quite convenient to disassemble and assemble. Wherein, the filter screen side 24 and the filter screen main body 23 can be fixedly connected through other detachable structures, such as a clamping structure, or fixed by screw connection.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. A replacement control method of a filter screen of an air purifier is characterized by comprising the following steps:
detecting air outlet parameters of the air purifier when the air purifier is started in real time;
comparing the detected air outlet parameter with a third valve value in real time;
if the detected air outlet parameter is higher than the third threshold value, sending out a reminding message for replacing the filter screen of the air purifier;
and replacing the filter screen.
2. The method for controlling replacement of the filter screen of the air purifier as claimed in claim 1, wherein the air outlet channel of the air purifier is provided with an air purifier filter unit, the air purifier filter unit comprises a main body, two filter screens, a locking device and an up-and-down interlocking device; wherein, change the filter screen step and include:
and operating the locking device, enabling one of the two filter screens to be in an unlocking state and the other filter screen to be in a locking state by the locking device and the upper and lower interlocking devices, taking out the unlocked filter screens, and installing the filter screens on the air purifier filter device to be in the upper position, wherein the two filter screens are all locked by the locking device.
3. The air purifier filter screen according to claim 2, wherein the locking device comprises an adjusting block, a connecting rod, a bolt and a first return spring, the connecting rod, the bolt and the first return spring are respectively provided with two parts, when the locking device is in a free state, under the action of the two first return springs, the locking device is in a vertically parallel and symmetrical state in the locking device mounting groove of the main body, and parts of the two bolts enter the bolt holes of the two filter screens, thereby ensuring that the two filter screens are in a locked state.
4. The method for controlling the replacement of the filter screen of the air purifier as claimed in claim 3, wherein the locking device realizes that one of the two filter screens is in an unlocked state and the other one is in a locked state by shifting the adjusting block.
5. The method of claim 4, wherein when the adjusting block is shifted downward, the locking device overcomes the downward movement of the first return spring at the lower end, the latch at the upper end is separated from the latch hole of the upper filter screen, so that the upper filter screen can be taken out, and the latch at the lower end is inserted into the latch hole of the lower filter screen, thereby ensuring that the lower filter screen is still locked.
6. The method of claim 4, wherein when the adjusting block is shifted upward, the locking device overcomes the first return spring at the upper end and moves upward, the bolt at the lower end is separated from the bolt hole of the lower filter screen, so that the lower filter screen can be taken out, and the bolt at the upper end is inserted into the bolt hole of the upper filter screen to ensure that the upper filter screen is still locked.
7. The air purifier filter screen according to claim 2, wherein the up-down interlocking means comprises an interlocking lever and a second return spring; the interlocking rod comprises a vertical connecting rod and ejector rods which are symmetrically distributed at two ends of the connecting rod and are in cross connection with the connecting rod.
8. The method for controlling replacement of a filter screen of an air purifier as claimed in claim 7, wherein the upper and lower interlocking means has two parts, a top rod at the upper end of one of the upper and lower interlocking means is matched with a locking hole at the side of the filter screen at the upper layer, and a top rod at the lower end of the other one of the upper and lower interlocking means is matched with a locking hole at the side of the filter screen at the lower layer.
9. The method of claim 8, wherein when both filters are inserted into the filter mounting holes, one of the rods of the interlock rod is pushed open by one of the filters, so that the other rod of the interlock rod cannot be inserted into the lock hole of the other filter, and both filters are not locked by the vertical interlock device.
10. The method of claim 8, wherein when one filter screen is taken out, the interlock rod pushed open by the filter screen rebounds under the restoring force of the second restoring spring, so that a top rod of the interlock rod is inserted into the lock hole of the other filter screen, thereby achieving the purpose of locking the filter screen which is not taken out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059039.0A CN112728720B (en) | 2021-01-17 | 2021-01-17 | Replacement control method for filter screen of air purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059039.0A CN112728720B (en) | 2021-01-17 | 2021-01-17 | Replacement control method for filter screen of air purifier |
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| CN112728720A true CN112728720A (en) | 2021-04-30 |
| CN112728720B CN112728720B (en) | 2022-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747431A (en) * | 2021-01-17 | 2021-05-04 | 夏周 | Air purifier control method and device |
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| CN112728720B (en) | 2022-01-25 |
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