CN212623542U - Detachable dustproof cover - Google Patents
Detachable dustproof cover Download PDFInfo
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- CN212623542U CN212623542U CN202021789182.2U CN202021789182U CN212623542U CN 212623542 U CN212623542 U CN 212623542U CN 202021789182 U CN202021789182 U CN 202021789182U CN 212623542 U CN212623542 U CN 212623542U
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Abstract
The utility model discloses a detachable dust cover, belonging to the technical field of dust prevention and arranged at the air inlet of a casing, which comprises a primary filter screen cover, a primary filter screen, an active carbon filter screen, a reed pipe, an induction magnet and a plurality of fixed magnets; the primary filter screen cover is detachably covered on the outer side of the air inlet through a plurality of fixed magnets; a support frame is arranged on the inner side of the air inlet; an active carbon filter screen and a primary filter screen are sequentially arranged between the support frame and the primary filter screen cover from inside to outside, so that external wind sequentially passes through the primary filter screen cover, the primary filter screen, the active carbon filter screen and the support frame and then enters the interior of the casing; the primary filter screen cover is provided with an induction magnet; the shell is provided with a reed switch corresponding to the induction magnet; the reed switch is triggered by the induction magnet to determine whether the primary filter screen cover covers the outer side of the air inlet. The utility model discloses a can dismantle the dust cover, conveniently dismantle and clear up, dustproof efficient has the abluent monitoring function of needs.
Description
Technical Field
The utility model belongs to the technical field of it is dustproof, specifically speaking relate to a can dismantle dust cover.
Background
At present, most of dust covers of air inlets of projectors and laser televisions block dust in the air by opening through holes with the diameter of about 0.5-1mm, the dust prevention efficiency is not high, and the dust easily enters the interior of an optical machine along with an air duct to influence the projection effect. In addition, most dust covers are inconvenient to replace and clean, and the dust covers do not have the monitoring function of whether to be cleaned or not, so that people forget to clean the dust covers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provide a can dismantle dust cover, the inconvenient dismantlement of current dust cover and clearance are solved to the intention, and dustproof inefficiency does not have the abluent monitoring function scheduling problem of needs. In order to achieve the above object, the utility model provides a following technical scheme:
a detachable dust cover is arranged at an air inlet 2 of a machine shell 1 and comprises a primary filter screen cover 3, a primary filter screen 4, an activated carbon filter screen 5, a reed pipe 6, an induction magnet and a plurality of fixed magnets 7; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7; a support frame 8 is arranged on the inner side of the air inlet 2; an active carbon filter screen 5 and a primary filter screen 4 are sequentially arranged between the support frame 8 and the primary filter screen cover 3 from inside to outside, so that external wind sequentially passes through the primary filter screen cover 3, the primary filter screen 4, the active carbon filter screen 5 and the support frame 8 and then enters the interior of the casing 1; the primary filter screen cover 3 is provided with an induction magnet; the shell 1 is provided with a reed switch 6 corresponding to the induction magnet; the reed pipe 6 is triggered by the induction magnet to determine whether the primary filter screen cover 3 covers the outer side of the air inlet 2. By the structure, when the device in the shell 1 needs to dissipate heat, the fan 10 provides air flow power, so that the outside air sequentially passes through the primary filter screen cover 3 to filter large granular impurities, the primary filter screen 4 to filter small granular impurities and the active carbon filter screen 5 to efficiently adsorb and filter impurities in the air. The active carbon filter screen 5 is a filter screen which is made of polyurethane cotton and carries granular active carbon, has high-efficiency adsorption and filtration performance, can be used for air purification, carries formaldehyde adsorption particles to adsorb formaldehyde, carries silver-containing bactericide to kill germs and the like, increases the added value of products, increases the dustproof efficiency of the dustproof cover behind the active carbon filter screen 5 to be much higher than that of the traditional dustproof cover, solves the problems that the existing dustproof cover is low in dustproof efficiency, improves dust interception efficiency, reduces dust entering the interior of the product, reduces the influence of the dust on the product, and prolongs the service life of the product; by adding the combination of the air purification function and the projection equipment, the additional function of the existing projection product can be effectively increased, and the selling point and the value of the product are improved. The inner side of the air inlet 2 is provided with a supporting frame 8, the supporting frame 8 plays a supporting role for the activated carbon filter screen 5, the supporting frame 8 and the primary filter screen cover 3 play a stabilizing role for the positions of the primary filter screen 4 and the activated carbon filter screen 5, so that air entering from the air inlet 2 can be filtered and subjected to impurity adsorption through the primary filter screen 4 and the activated carbon filter screen 5; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7, so that the primary filter screen cover 3 can be conveniently arranged on the outer side of the air inlet 2 and detached from the outer side of the air inlet 2 to clean the dust cover; the problem that the existing dust cover is inconvenient to disassemble and clean is solved; when the primary filter screen cover 3 is covered at the outer side of the air inlet 2, the induction magnet can be close to the reed pipe 6 along with the primary filter screen cover 3, the reed pipe 6 generates enough suction force under the condition of a magnetic field generated by the induction magnet to be contacted with each other, so that a circuit of the reed pipe 6 is conducted, and whether the dust cover is installed in place or not is detected. The dust cover is installed in place, and the fan 10 can work, namely, air flowing power is provided, so that the phenomenon that when the dust cover is not installed in place, untreated clean air enters the interior of the machine shell 1, and a large amount of dust enters the interior of a product is avoided.
Furthermore, the plurality of fixed magnets 7 are only arranged on the primary filter screen cover 3, and the part of the machine shell 1 covered by the primary filter screen cover 3 is a metal piece; or the plurality of fixed magnets 7 are only arranged on the part of the machine shell 1 covered by the primary filter screen cover 3, and the primary filter screen cover 3 is a metal piece; or the part of the machine shell 1 covered by the primary filter screen cover 3 and the primary filter screen cover 3 are both provided with a plurality of fixed magnets 7. By the structure, the plurality of fixed magnets 7 can be arranged at a plurality of positions, so that the primary filter screen cover 3 can be detachably covered outside the air inlet 2 through the plurality of fixed magnets 7.
Furthermore, a concave groove 9 is arranged on the surface of the machine shell 1 where the air inlet 2 is arranged; the air inlet 2 is arranged on the concave groove 9; the concave groove 9 is matched with the primary filter screen cover 3; the concave groove 9 is used for limiting the upper, lower, left and right movement of the primary filter screen cover 3. According to the structure, the concave grooves 9 are of a concave structure, so that the primary filter screen cover 3 can be sunk in the concave grooves 9, and the concave grooves 9 prevent the primary filter screen cover 3 from moving randomly; the concave groove 9 also plays a role in quick suction and positioning of the primary filter screen cover 3, and facilitates quick installation of the primary filter screen cover 3.
Further, after the primary filter screen cover 3 is matched with the concave groove 9, the outer side surface of the primary filter screen cover 3 is flush with the surface of the casing 1 where the air inlet 2 is located. As can be seen from the above structure, the overall appearance of the primary filter cover 3 and the casing 1 is more harmonized.
Furthermore, three of four corners of the primary filter screen cover 3 are provided with fixed magnets 7, and the other corner is provided with an induction magnet; the casing 1 is provided with fixed magnets 7 at the corresponding positions of the three corners of the primary filter screen cover 3 provided with the fixed magnets 7; and a reed switch 6 is arranged on the shell 1 at a position corresponding to the induction magnet. According to the structure, the inner side surfaces of the three corners of the primary filter screen cover 3 are provided with the fixed magnets 7, and the inner side of the corresponding casing 1 is also provided with the three fixed magnets 7, so that the primary filter screen cover 3 is more firmly adsorbed at the outer side of the air inlet 2.
Furthermore, the system also comprises a main control panel; the reed switch 6 is electrically connected with the main control board. According to the structure, the reed switch 6 can transmit the signal that the primary filter screen cover 3 is covered in place to the main control board, and the main control board controls whether the fan 10 can run or not.
Furthermore, a timer is arranged on the main control panel. According to the structure, the reed switch 6 senses that the primary filter screen cover 3 is covered in place, namely cleaning is finished, the timer on the main control board starts timing, and for example, the main control board is informed to clean the dust cover every twelve months. Primary effect filter screen 4 and active carbon filter screen 5 are regularly changed and are washd and remind, promote product intellectuality and user experience and feel.
Further, the device also comprises a temperature sensor; the temperature sensor is electrically connected with the main control board. By above-mentioned structure can know, temperature sensor establishes in casing 1 inside, monitors 1 inside high temperature of casing as temperature sensor, knows promptly that the dust cover ventilates not smoothly, and temperature sensor gives the main control board with signal transmission, and the main control board carries out the dust cover and washs the suggestion. Product intellectualization and user experience are improved.
Further, the wind speed sensor is also included; the wind speed sensor is electrically connected with the main control board. According to the structure, the wind speed sensor is arranged inside the machine shell 1, when the wind speed sensor monitors that the wind resistance inside the machine shell 1 is too large, the fact that the ventilation of the dust cover is not smooth is known, the wind speed sensor transmits a signal to the main control board, and the main control board carries out dust cover cleaning prompting. Product intellectualization and user experience are improved.
Further, a plurality of vent holes are arranged on the primary filter screen cover 3; the aperture of the primary filter screen 4 is 0.2mm-1 mm; the primary filter screen 4 is fixed on the inner side of the primary filter screen cover 3 through hot melting or buckles or screws; the edge of the outer side surface of the active carbon filter screen 5 is provided with a piece of granny rag. According to the structure, the primary filter screen cover 3 is provided with a plurality of vent holes, and the vent holes are used for conveniently ventilating and blocking large particle impurities in the air; the granny rag conveniently inlays the active carbon filter screen 5 on braced frame 8 and takes off.
The utility model has the advantages that:
the utility model discloses a detachable dust cover, belonging to the technical field of dust prevention and arranged at the air inlet of a casing, which comprises a primary filter screen cover, a primary filter screen, an active carbon filter screen, a reed pipe, an induction magnet and a plurality of fixed magnets; the primary filter screen cover is detachably covered on the outer side of the air inlet through a plurality of fixed magnets; a support frame is arranged on the inner side of the air inlet; an active carbon filter screen and a primary filter screen are sequentially arranged between the support frame and the primary filter screen cover from inside to outside, so that external wind sequentially passes through the primary filter screen cover, the primary filter screen, the active carbon filter screen and the support frame and then enters the interior of the casing; the primary filter screen cover is provided with an induction magnet; the shell is provided with a reed switch corresponding to the induction magnet; the reed switch is triggered by the induction magnet to determine whether the primary filter screen cover covers the outer side of the air inlet. The utility model discloses a can dismantle the dust cover, conveniently dismantle and clear up, dustproof efficient has the abluent monitoring function of needs.
Drawings
FIG. 1 is a schematic view of the explosion structure of the housing and the dust cover of the present invention;
fig. 2 is a schematic structural view of the dust cover and the fan viewed from the inside of the casing;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
in the drawings: 1-casing, 2-air inlet, 3-primary filter screen cover, 4-primary filter screen, 5-active carbon filter screen, 6-reed pipe, 7-fixed magnet, 8-supporting frame, 9-concave groove, 10-fan.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
The first embodiment is as follows:
see figures 1-3. A detachable dust cover is arranged at an air inlet 2 of a machine shell 1 and comprises a primary filter screen cover 3, a primary filter screen 4, an activated carbon filter screen 5, a reed pipe 6, an induction magnet and a plurality of fixed magnets 7; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7; a support frame 8 is arranged on the inner side of the air inlet 2; an active carbon filter screen 5 and a primary filter screen 4 are sequentially arranged between the support frame 8 and the primary filter screen cover 3 from inside to outside, so that external wind sequentially passes through the primary filter screen cover 3, the primary filter screen 4, the active carbon filter screen 5 and the support frame 8 and then enters the interior of the casing 1; the primary filter screen cover 3 is provided with an induction magnet; the shell 1 is provided with a reed switch 6 corresponding to the induction magnet; the reed pipe 6 is triggered by the induction magnet to determine whether the primary filter screen cover 3 covers the outer side of the air inlet 2. By the structure, when the device in the shell 1 needs to dissipate heat, the fan 10 provides air flow power, so that the outside air sequentially passes through the primary filter screen cover 3 to filter large granular impurities, the primary filter screen 4 to filter small granular impurities and the active carbon filter screen 5 to efficiently adsorb and filter impurities in the air. The active carbon filter screen 5 is a filter screen which is made of polyurethane cotton and carries granular active carbon, has high-efficiency adsorption and filtration performance, can be used for air purification, carries formaldehyde adsorption particles to adsorb formaldehyde, carries silver-containing bactericide to kill germs and the like, increases the added value of products, increases the dustproof efficiency of the dustproof cover behind the active carbon filter screen 5 to be much higher than that of the traditional dustproof cover, solves the problems that the existing dustproof cover is low in dustproof efficiency, improves dust interception efficiency, reduces dust entering the interior of the product, reduces the influence of the dust on the product, and prolongs the service life of the product; by adding the combination of the air purification function and the projection equipment, the additional function of the existing projection product can be effectively increased, and the selling point and the value of the product are improved. The inner side of the air inlet 2 is provided with a supporting frame 8, the supporting frame 8 plays a supporting role for the activated carbon filter screen 5, the supporting frame 8 and the primary filter screen cover 3 play a stabilizing role for the positions of the primary filter screen 4 and the activated carbon filter screen 5, so that air entering from the air inlet 2 can be filtered and subjected to impurity adsorption through the primary filter screen 4 and the activated carbon filter screen 5; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7, so that the primary filter screen cover 3 can be conveniently arranged on the outer side of the air inlet 2 and detached from the outer side of the air inlet 2 to clean the dust cover; the problem that the existing dust cover is inconvenient to disassemble and clean is solved; when the primary filter screen cover 3 is covered at the outer side of the air inlet 2, the induction magnet can be close to the reed pipe 6 along with the primary filter screen cover 3, the reed pipe 6 generates enough suction force under the condition of a magnetic field generated by the induction magnet to be contacted with each other, so that a circuit of the reed pipe 6 is conducted, and whether the dust cover is installed in place or not is detected. The dust cover is installed in place, and the fan 10 can work, namely, air flowing power is provided, so that the phenomenon that when the dust cover is not installed in place, untreated clean air enters the interior of the machine shell 1, and a large amount of dust enters the interior of a product is avoided.
Example two:
see figures 1-3. A detachable dust cover is arranged at an air inlet 2 of a machine shell 1 and comprises a primary filter screen cover 3, a primary filter screen 4, an activated carbon filter screen 5, a reed pipe 6, an induction magnet and a plurality of fixed magnets 7; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7; a support frame 8 is arranged on the inner side of the air inlet 2; an active carbon filter screen 5 and a primary filter screen 4 are sequentially arranged between the support frame 8 and the primary filter screen cover 3 from inside to outside, so that external wind sequentially passes through the primary filter screen cover 3, the primary filter screen 4, the active carbon filter screen 5 and the support frame 8 and then enters the interior of the casing 1; the primary filter screen cover 3 is provided with an induction magnet; the shell 1 is provided with a reed switch 6 corresponding to the induction magnet; the reed pipe 6 is triggered by the induction magnet to determine whether the primary filter screen cover 3 covers the outer side of the air inlet 2. By the structure, when the device in the shell 1 needs to dissipate heat, the fan 10 provides air flow power, so that the outside air sequentially passes through the primary filter screen cover 3 to filter large granular impurities, the primary filter screen 4 to filter small granular impurities and the active carbon filter screen 5 to efficiently adsorb and filter impurities in the air. The active carbon filter screen 5 is a filter screen which is made of polyurethane cotton and carries granular active carbon, has high-efficiency adsorption and filtration performance, can be used for air purification, carries formaldehyde adsorption particles to adsorb formaldehyde, carries silver-containing bactericide to kill germs and the like, increases the added value of products, increases the dustproof efficiency of the dustproof cover behind the active carbon filter screen 5 to be much higher than that of the traditional dustproof cover, solves the problems that the existing dustproof cover is low in dustproof efficiency, improves dust interception efficiency, reduces dust entering the interior of the product, reduces the influence of the dust on the product, and prolongs the service life of the product; by adding the combination of the air purification function and the projection equipment, the additional function of the existing projection product can be effectively increased, and the selling point and the value of the product are improved. The inner side of the air inlet 2 is provided with a supporting frame 8, the supporting frame 8 plays a supporting role for the activated carbon filter screen 5, the supporting frame 8 and the primary filter screen cover 3 play a stabilizing role for the positions of the primary filter screen 4 and the activated carbon filter screen 5, so that air entering from the air inlet 2 can be filtered and subjected to impurity adsorption through the primary filter screen 4 and the activated carbon filter screen 5; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7, so that the primary filter screen cover 3 can be conveniently arranged on the outer side of the air inlet 2 and detached from the outer side of the air inlet 2 to clean the dust cover; the problem that the existing dust cover is inconvenient to disassemble and clean is solved; when the primary filter screen cover 3 is covered at the outer side of the air inlet 2, the induction magnet can be close to the reed pipe 6 along with the primary filter screen cover 3, the reed pipe 6 generates enough suction force under the condition of a magnetic field generated by the induction magnet to be contacted with each other, so that a circuit of the reed pipe 6 is conducted, and whether the dust cover is installed in place or not is detected. The dust cover is installed in place, and the fan 10 can work, namely, air flowing power is provided, so that the phenomenon that when the dust cover is not installed in place, untreated clean air enters the interior of the machine shell 1, and a large amount of dust enters the interior of a product is avoided.
The plurality of fixed magnets 7 are only arranged on the primary filter screen cover 3, and the part of the machine shell 1 covered by the primary filter screen cover 3 is a metal piece; or the plurality of fixed magnets 7 are only arranged on the part of the machine shell 1 covered by the primary filter screen cover 3, and the primary filter screen cover 3 is a metal piece; or the part of the machine shell 1 covered by the primary filter screen cover 3 and the primary filter screen cover 3 are both provided with a plurality of fixed magnets 7. By the structure, the plurality of fixed magnets 7 can be arranged at a plurality of positions, so that the primary filter screen cover 3 can be detachably covered outside the air inlet 2 through the plurality of fixed magnets 7.
Example three:
see figures 1-3. A detachable dust cover is arranged at an air inlet 2 of a machine shell 1 and comprises a primary filter screen cover 3, a primary filter screen 4, an activated carbon filter screen 5, a reed pipe 6, an induction magnet and a plurality of fixed magnets 7; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7; a support frame 8 is arranged on the inner side of the air inlet 2; an active carbon filter screen 5 and a primary filter screen 4 are sequentially arranged between the support frame 8 and the primary filter screen cover 3 from inside to outside, so that external wind sequentially passes through the primary filter screen cover 3, the primary filter screen 4, the active carbon filter screen 5 and the support frame 8 and then enters the interior of the casing 1; the primary filter screen cover 3 is provided with an induction magnet; the shell 1 is provided with a reed switch 6 corresponding to the induction magnet; the reed pipe 6 is triggered by the induction magnet to determine whether the primary filter screen cover 3 covers the outer side of the air inlet 2. By the structure, when the device in the shell 1 needs to dissipate heat, the fan 10 provides air flow power, so that the outside air sequentially passes through the primary filter screen cover 3 to filter large granular impurities, the primary filter screen 4 to filter small granular impurities and the active carbon filter screen 5 to efficiently adsorb and filter impurities in the air. The active carbon filter screen 5 is a filter screen which is made of polyurethane cotton and carries granular active carbon, has high-efficiency adsorption and filtration performance, can be used for air purification, carries formaldehyde adsorption particles to adsorb formaldehyde, carries silver-containing bactericide to kill germs and the like, increases the added value of products, increases the dustproof efficiency of the dustproof cover behind the active carbon filter screen 5 to be much higher than that of the traditional dustproof cover, solves the problems that the existing dustproof cover is low in dustproof efficiency, improves dust interception efficiency, reduces dust entering the interior of the product, reduces the influence of the dust on the product, and prolongs the service life of the product; by adding the combination of the air purification function and the projection equipment, the additional function of the existing projection product can be effectively increased, and the selling point and the value of the product are improved. The inner side of the air inlet 2 is provided with a supporting frame 8, the supporting frame 8 plays a supporting role for the activated carbon filter screen 5, the supporting frame 8 and the primary filter screen cover 3 play a stabilizing role for the positions of the primary filter screen 4 and the activated carbon filter screen 5, so that air entering from the air inlet 2 can be filtered and subjected to impurity adsorption through the primary filter screen 4 and the activated carbon filter screen 5; the primary filter screen cover 3 is detachably covered on the outer side of the air inlet 2 through a plurality of fixed magnets 7, so that the primary filter screen cover 3 can be conveniently arranged on the outer side of the air inlet 2 and detached from the outer side of the air inlet 2 to clean the dust cover; the problem that the existing dust cover is inconvenient to disassemble and clean is solved; when the primary filter screen cover 3 is covered at the outer side of the air inlet 2, the induction magnet can be close to the reed pipe 6 along with the primary filter screen cover 3, the reed pipe 6 generates enough suction force under the condition of a magnetic field generated by the induction magnet to be contacted with each other, so that a circuit of the reed pipe 6 is conducted, and whether the dust cover is installed in place or not is detected. The dust cover is installed in place, and the fan 10 can work, namely, air flowing power is provided, so that the phenomenon that when the dust cover is not installed in place, untreated clean air enters the interior of the machine shell 1, and a large amount of dust enters the interior of a product is avoided.
The plurality of fixed magnets 7 are only arranged on the primary filter screen cover 3, and the part of the machine shell 1 covered by the primary filter screen cover 3 is a metal piece; or the plurality of fixed magnets 7 are only arranged on the part of the machine shell 1 covered by the primary filter screen cover 3, and the primary filter screen cover 3 is a metal piece; or the part of the machine shell 1 covered by the primary filter screen cover 3 and the primary filter screen cover 3 are both provided with a plurality of fixed magnets 7. By the structure, the plurality of fixed magnets 7 can be arranged at a plurality of positions, so that the primary filter screen cover 3 can be detachably covered outside the air inlet 2 through the plurality of fixed magnets 7.
A concave groove 9 is arranged on the surface of the shell 1 where the air inlet 2 is positioned; the air inlet 2 is arranged on the concave groove 9; the concave groove 9 is matched with the primary filter screen cover 3; the concave groove 9 is used for limiting the upper, lower, left and right movement of the primary filter screen cover 3. According to the structure, the concave grooves 9 are of a concave structure, so that the primary filter screen cover 3 can be sunk in the concave grooves 9, and the concave grooves 9 prevent the primary filter screen cover 3 from moving randomly; the concave groove 9 also plays a role in quick suction and positioning of the primary filter screen cover 3, and facilitates quick installation of the primary filter screen cover 3.
After the primary filter screen cover 3 is matched with the concave groove 9, the outer side surface of the primary filter screen cover 3 is flush with the surface of the casing 1 where the air inlet 2 is located. As can be seen from the above structure, the overall appearance of the primary filter cover 3 and the casing 1 is more harmonized.
Three corners of the four corners of the primary filter screen cover 3 are provided with fixed magnets 7, and the other corner is provided with an induction magnet; the casing 1 is provided with fixed magnets 7 at the corresponding positions of the three corners of the primary filter screen cover 3 provided with the fixed magnets 7; and a reed switch 6 is arranged on the shell 1 at a position corresponding to the induction magnet. According to the structure, the inner side surfaces of the three corners of the primary filter screen cover 3 are provided with the fixed magnets 7, and the inner side of the corresponding casing 1 is also provided with the three fixed magnets 7, so that the primary filter screen cover 3 is more firmly adsorbed at the outer side of the air inlet 2.
The system also comprises a main control board; the reed switch 6 is electrically connected with the main control board. According to the structure, the reed switch 6 can transmit the signal that the primary filter screen cover 3 is covered in place to the main control board, and the main control board controls whether the fan 10 can run or not.
And a timer is arranged on the main control board. According to the structure, the reed switch 6 senses that the primary filter screen cover 3 is covered in place, namely cleaning is finished, the timer on the main control board starts timing, and for example, the main control board is informed to clean the dust cover every twelve months. Primary effect filter screen 4 and active carbon filter screen 5 are regularly changed and are washd and remind, promote product intellectuality and user experience and feel.
The device also comprises a temperature sensor; the temperature sensor is electrically connected with the main control board. By above-mentioned structure can know, temperature sensor establishes in casing 1 inside, monitors 1 inside high temperature of casing as temperature sensor, knows promptly that the dust cover ventilates not smoothly, and temperature sensor gives the main control board with signal transmission, and the main control board carries out the dust cover and washs the suggestion. Product intellectualization and user experience are improved.
The wind speed sensor is also included; the wind speed sensor is electrically connected with the main control board. According to the structure, the wind speed sensor is arranged inside the machine shell 1, when the wind speed sensor monitors that the wind resistance inside the machine shell 1 is too large, the fact that the ventilation of the dust cover is not smooth is known, the wind speed sensor transmits a signal to the main control board, and the main control board carries out dust cover cleaning prompting. Product intellectualization and user experience are improved.
A plurality of vent holes are arranged on the primary filter screen cover 3; the aperture of the primary filter screen 4 is 0.2mm-1 mm; the primary filter screen 4 is fixed on the inner side of the primary filter screen cover 3 through hot melting or buckles or screws; the edge of the outer side surface of the active carbon filter screen 5 is provided with a piece of granny rag. According to the structure, the primary filter screen cover 3 is provided with a plurality of vent holes, and the vent holes are used for conveniently ventilating and blocking large particle impurities in the air; the granny rag conveniently inlays the active carbon filter screen 5 on braced frame 8 and takes off.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a can dismantle dust cover establishes air intake (2) at casing (1), its characterized in that: comprises a primary filter screen cover (3), a primary filter screen (4), an activated carbon filter screen (5), a reed pipe (6), an induction magnet and a plurality of fixed magnets (7); the primary filter screen cover (3) is detachably covered on the outer side of the air inlet (2) through a plurality of fixed magnets (7); a support frame (8) is arranged on the inner side of the air inlet (2); an active carbon filter screen (5) and a primary filter screen (4) are sequentially arranged between the support frame (8) and the primary filter screen cover (3) from inside to outside, so that external wind sequentially passes through the primary filter screen cover (3), the primary filter screen (4), the active carbon filter screen (5) and the support frame (8) and then enters the interior of the casing (1); the primary filter screen cover (3) is provided with an induction magnet; the shell (1) is provided with a reed switch (6) corresponding to the induction magnet; the reed pipe (6) is triggered by the induction magnet to determine whether the primary filter screen cover (3) covers the outer side of the air inlet (2).
2. A removable dust cap according to claim 1, wherein: the plurality of fixed magnets (7) are only arranged on the primary filter screen cover (3), and the part of the machine shell (1) covered by the primary filter screen cover (3) is a metal piece; or the plurality of fixed magnets (7) are only arranged on the part of the casing (1) covered by the primary filter screen cover (3), and the primary filter screen cover (3) is a metal piece; or the part of the casing (1) covered by the primary filter screen cover (3) and the primary filter screen cover (3) are both provided with a plurality of fixed magnets (7).
3. A removable dust cap according to claim 1, wherein: a concave groove (9) is arranged on the surface of the shell (1) where the air inlet (2) is positioned; the air inlet (2) is formed in the concave groove (9); the concave groove (9) is matched with the primary filter screen cover (3); the concave groove (9) is used for limiting the upper and lower movement and the left and right movement of the primary filter screen cover (3).
4. A removable dust cap according to claim 3, wherein: after the primary filter screen cover (3) is matched with the concave groove (9), the outer side surface of the primary filter screen cover (3) is flush with the surface of the casing (1) where the air inlet (2) is located.
5. A removable dust cap according to claim 1, wherein: three corners of four corners of the primary filter screen cover (3) are respectively provided with a fixed magnet (7), and the other corner is provided with an induction magnet; the casing (1) is provided with fixed magnets (7) at the corresponding positions of the three corners of the primary filter screen cover (3) provided with the fixed magnets (7); and a reed switch (6) is arranged on the shell (1) at a position corresponding to the induction magnet.
6. A removable dust cap according to claim 1, wherein: the system also comprises a main control board; the reed switch (6) is electrically connected with the main control board.
7. A removable dust cap according to claim 6, wherein: and a timer is arranged on the main control board.
8. A removable dust cap according to claim 6, wherein: the device also comprises a temperature sensor; the temperature sensor is electrically connected with the main control board.
9. A removable dust cap according to claim 6, wherein: the wind speed sensor is also included; the wind speed sensor is electrically connected with the main control board.
10. A removable dust cap according to claim 1, wherein: a plurality of vent holes are arranged on the primary filter screen cover (3); the aperture of the primary filter screen (4) is 0.2mm-1 mm; the primary filter screen (4) is fixed on the inner side of the primary filter screen cover (3) through hot melting or buckles or screws; the edge of the outer side surface of the active carbon filter screen (5) is provided with a piece of granny rag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021789182.2U CN212623542U (en) | 2020-08-25 | 2020-08-25 | Detachable dustproof cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021789182.2U CN212623542U (en) | 2020-08-25 | 2020-08-25 | Detachable dustproof cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212623542U true CN212623542U (en) | 2021-02-26 |
Family
ID=74704019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021789182.2U Active CN212623542U (en) | 2020-08-25 | 2020-08-25 | Detachable dustproof cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212623542U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634034A (en) * | 2018-12-27 | 2019-04-16 | 成都市极米科技有限公司 | Drawer push-and-pull formula structure projector and its assemble method |
| CN113331866A (en) * | 2021-05-26 | 2021-09-03 | 岳青玲 | Automatic detection method and device for cleaning filter screen of heart ultrasonic diagnostic apparatus |
-
2020
- 2020-08-25 CN CN202021789182.2U patent/CN212623542U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634034A (en) * | 2018-12-27 | 2019-04-16 | 成都市极米科技有限公司 | Drawer push-and-pull formula structure projector and its assemble method |
| CN109634034B (en) * | 2018-12-27 | 2023-09-05 | 成都极米科技股份有限公司 | Drawer push-pull structure projector and assembling method thereof |
| CN113331866A (en) * | 2021-05-26 | 2021-09-03 | 岳青玲 | Automatic detection method and device for cleaning filter screen of heart ultrasonic diagnostic apparatus |
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