WO2023116623A1

WO2023116623A1 - Air purification device and three-dimensional printer

Info

Publication number: WO2023116623A1
Application number: PCT/CN2022/140002
Authority: WO
Inventors: 李宁; 冯高成
Original assignee: 深圳市纵维立方科技有限公司
Priority date: 2021-12-20
Filing date: 2022-12-19
Publication date: 2023-06-29
Also published as: CN217274680U

Abstract

An air purification device, is used for a three-dimensional printer. The three-dimensional printer comprises a cover body (100) and a substrate (200) provided with a material recess (300). When the three-dimensional printer is operating, the cover body (100) covers the substrate (200), and the cover body (100) and the substrate (200) form an accommodating space. The material recess (300) is located in the accommodating space. The air purification device is used for being movably arranged in the accommodating space to purify air in the accommodating space. The air purification device comprises: a housing (1), wherein an air inlet (111) and an air outlet (121) are provided on the housing (1); a fan (2), provided in the housing (1), an air inlet end of the fan (2) being in communication with the air inlet (111) to form an air inlet channel, and an air outlet end of the fan (2) being in communication with the air outlet (121) to form an air outlet channel; and a filtering member (3), provided in the air inlet channel and/or the air outlet channel.

Description

Air purification device and 3D printer

technical field

The utility model relates to the technical field of air purification equipment, in particular to an air purification device and a three-dimensional printer.

Background technique

Some equipment may produce irritating smell when working, such as 3D printers, especially photocurable 3D printers. Photocurable 3D printers usually use photosensitive resin for printing, and photosensitive resin has a certain pungent smell. Ensure the health of users.

At present, an air purification device is usually installed in a 3D printer, and the air purification device usually discharges the filtered air out of the body. Since the air purification device can only reduce the irritating odor, it cannot completely purify the irritating odor. Therefore, , the air discharged from the body will still have a certain pungent smell, which will affect the health of the user.

Utility model content

In view of this, the embodiment of the utility model provides an air purification device and a three-dimensional printer, the main purpose is to reduce the irritating odor in the air, and improve the efficiency of filtration, so as to avoid affecting the health of operators and the use environment of equipment , to improve user experience.

In order to achieve the above object, the utility model mainly provides the following technical solutions:

On the one hand, the embodiment of the present utility model provides an air purification device for a three-dimensional printer. The three-dimensional printer includes a cover body and a substrate provided with a trough, and the cover body is connected with the substrate to form an accommodating space. The trough is located in the accommodating space, and the air cleaning device is used to be movably arranged in the accommodating space to purify the air in the accommodating space, and the air cleaning device includes:

A casing, the casing is provided with an air inlet and an air outlet;

A fan, the fan is arranged in the housing, the air inlet end of the fan communicates with the air inlet to form an air inlet channel, and/or the air outlet end of the fan communicates with the air outlet to form an air outlet access; and

A filter element is arranged in the air inlet passage and/or the air outlet passage.

The air cleaning device also includes:

a main control board, the main control board is arranged in the housing and is electrically connected to the fan; and

A power supply, the power supply is arranged in the casing and is electrically connected to the main control board.

The air cleaning device also includes:

a first partition, the first partition is connected to one side of the fan, and the first partition is provided with a first vent;

and / or,

A second partition, the second partition is connected to the other side of the fan, and the second partition is provided with a second vent.

The housing includes a body and a first cover;

The body is a cylinder with at least one end open, and the first cover is detachably connected to one open end of the body;

The filter element and the fan are arranged close to the first cover;

The air inlet is arranged on the body and the air outlet is arranged on the first cover, or the air outlet is arranged on the body and the air inlet is arranged on the first cover superior.

The first cover is provided with a plurality of first undercuts, the plurality of first undercuts are arranged at intervals along the circumference of the first cover, and the first undercuts are elastic undercuts;

The body is provided with a plurality of second undercuts, the plurality of second undercuts are arranged at intervals along the circumference of the body, and the plurality of second undercuts are connected to the plurality of first undercuts. correspond;

The first undercut can be deformed under the force of the end of the second undercut, and can recover the deformation when detached from the end of the second undercut to snap-connect with the second undercut.

The filter element includes activated carbon, and the activated carbon has a plurality of through holes arranged in an array;

The through hole is square, the width of the through hole is 1-3mm, and the distance between two adjacent through holes is 0.3-1.5mm; or, the through hole is circular, and the diameter of the through hole is 1-3mm, and the minimum distance between two adjacent through holes is 0.3mm.

The through holes are square, the width of the through holes is 1.5mm, and the distance between two adjacent through holes is 0.6mm; or, the through holes are circular, and the diameter of the through holes is 1.5mm .

The housing includes a body, a first cover and a second cover;

The body is a cylinder with openings at both ends, the first cover is detachably connected to one open end of the body, and the second cover is detachably connected to the other open end of the body;

The filter element and the fan are arranged close to the first cover, and the main control board and the power supply are arranged close to the second cover;

Described air purification device also includes:

a bracket, the bracket is arranged in the body, and the main control board and the power supply are both arranged on the bracket;

The second cover is detachably connected to the bracket.

On the other hand, the embodiment of the present utility model also provides a three-dimensional printer, including the aforementioned air cleaning device.

By virtue of the above technical solutions, the utility model has at least the following beneficial effects:

In the technical solution provided by the embodiment of the utility model, the housing of the air purification device is provided with an air inlet and an air outlet, and a fan and a filter are arranged in the housing, and the air inlet end of the fan communicates with the air inlet to form an air inlet passage, and the fan The air outlet end of the air outlet communicates with the air outlet to form an air outlet channel, the filter element is arranged in the air inlet channel and/or the air outlet channel, and the air purification device is arranged in the accommodation space formed by the cover body and the base plate, when the fan starts , the air with a pungent smell in the accommodating space can be driven by the fan into the housing through the air inlet, and after being filtered by the filter elements in the air inlet channel and/or the air outlet channel, it will be discharged from the air outlet to the container. In the space, due to the function of the fan, the discharged filtered air will also enter the housing, and will be continuously filtered in the above-mentioned air purification device, so that the air filtration can be completed inside the 3D printer, and the filtered air will continue to be reprocessed. Filtration not only improves the filtration efficiency, but also avoids the impact on the user's health and the use environment of the equipment, and improves the user experience.

Description of drawings

Fig. 1 is the explosion diagram of a kind of air cleaning device provided by the utility model embodiment;

Fig. 2 is a cross-sectional view of an air cleaning device provided by an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of the separation of the cover body and the body of a three-dimensional printer provided by the embodiment of the utility model;

Fig. 4 is a schematic structural diagram of a filter element in an air purification device provided by an embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and advantages of the utility model clearer, the technical solutions in the embodiments of the utility model will be described in more detail below in combination with the drawings in the preferred embodiments of the utility model. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some embodiments of the present utility model, but not all embodiments. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. Embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings.

In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this embodiment and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the protection scope of the present embodiment.

As shown in Figure 1 and Figure 3, the embodiment of the utility model provides an air purification device for a three-dimensional printer, the three-dimensional printer includes a cover 100 and a substrate 200 provided with a trough 300, when the three-dimensional printer is working, the cover 100 is covered on the base plate 200, the cover body 100 and the base plate 200 form an accommodating space, the trough 300 is located in the accommodating space, and the air cleaning device is used to be movably arranged in the accommodating space to purify the air in the accommodating space, Reference numeral "400" in FIG. 3 denotes an air cleaning device. The air purification device includes: a housing 1, on which an air inlet 111 and an air outlet 121 are arranged; a fan 2, which is arranged in the housing 1, and the air inlet end of the fan 2 communicates with the air inlet 111 to form an air inlet channel , the air outlet end of the fan 2 communicates with the air outlet 121 to form an air outlet channel; the filter element 3 is arranged in the air inlet channel and/or the air outlet channel.

In the air purification device provided by the embodiment of the present utility model, the housing 1 is provided with an air inlet 111 and an air outlet 121, and a fan 2 and a filter 3 are arranged in the housing 1, and the air inlet end of the fan 2 communicates with the air inlet 111 to form a The air inlet channel, the air outlet end of the blower fan 2 communicates with the air outlet 121 to form an air outlet channel, the filter element 3 is arranged in the air inlet channel and/or the air outlet channel, and the air cleaning device is arranged in the container formed by the cover body and the base plate. When the fan 2 is started, the air with a pungent smell in the accommodating space can enter the casing 1 through the air inlet 111 driven by the fan 2, and pass through the air inlet channel and/or the air outlet channel After filtering, the middle filter 3 is discharged from the air outlet 121 into the accommodation space, and then continues to be brought into the housing 1 to continue filtering, so as to realize the air filtering inside the three-dimensional printer. In some embodiments, the filtered The air will not be actively exhausted to the outside of the 3D printer, which not only improves the filtration efficiency, but also avoids affecting the health of the user and the environment in which the device is used, and improves the user experience.

In the embodiment of the present utility model, the air purification device is arranged in the accommodation space formed by the cover body and the substrate of the three-dimensional printer, and the air purification device includes a fan 2 and a filter 3, so that the air purification device can be accommodated by the fan 2 The gas with pungent smell in the space is inhaled into its housing 1, and then discharged into the accommodation space after being filtered by the filter element 3. The entire filtration and purification process is carried out in the accommodation space, and the filtered air will not It is actively discharged to the outside of the 3D printer, thus avoiding the impact on the user; in some embodiments, even if there is a certain degree of leakage in the accommodating space that causes air to be discharged outside the 3D printer, the amount of leaked air is compared to that through a fan, etc. The amount of air actively expelled outward is also very small, so it still does not affect the user.

In the embodiment of the utility model, the air purification device includes a fan 2 and a filter element 3, so that the air purification device forms a filtering device that can be used independently. Therefore, the air purification device can be placed or set in a container according to the actual needs of users. It can be placed anywhere in the space, for example, the air purification device can be placed on the substrate, etc.

In the embodiment of the present utility model, the fan 2 can be a fan, and the filter 3 can include any type of filter 3 that can be used to filter irritating odors in the air, such as activated carbon. In some embodiments, the activated carbon can be a square structure, Small through holes are arranged therein to improve its ability to filter and absorb air. The amount of activated carbon can be one or more, which is not limited in this application.

In some embodiments of the present utility model, referring to Fig. 4, activated carbon has a plurality of through holes arranged in an array; the through holes can be square, and the width a of the through holes can be 1-3mm, and the width a between two adjacent through holes The distance b may be 0.3-1.5 mm; or, the through holes may be circular, the diameter of the through holes may be 1-3 mm, and the minimum distance between two adjacent through holes may be 0.3 mm. In this embodiment, when the through holes are square, the width a of the through holes can be 1.5 mm, and the distance b between two adjacent through holes can be 0.6 mm; or, when the through holes are circular, the diameter of the through holes can be It is 1.5mm, so as to better improve the filtration and adsorption capacity of activated carbon to air, and then improve the purification effect of the air purification device on air.

Among them, the activated carbon can be arranged in the air inlet channel. When the fan 2 is started, the air with a pungent smell from the outside can enter the air inlet channel through the air inlet 111 under the drive of the fan 2, and enter the air outlet channel after being filtered by activated carbon, and finally It is discharged from the air outlet 121 to realize air purification. Alternatively, activated carbon can be arranged in the air outlet channel. When the fan 2 is started, the air with a pungent smell from the outside can enter the air inlet channel through the air inlet 111 under the drive of the fan 2, and then enter the air outlet channel, and after being filtered by activated carbon Exhaust from the air outlet 121 to achieve air purification. In this case, since the activated carbon is closer to the air outlet 121, the fan 2 is farther away from the air outlet 121 than the activated carbon, so that the fan 2 can move under the activated carbon, which can reduce the operating noise of the fan 2. To improve user experience, in this embodiment, the filter element 3 is located at the outlet of the above-mentioned fan 2, and the residue of the filter element 3, such as the residue generated by the damage of activated carbon, is discharged from the body through the fan 2, and the influence of the residue on the fan 2 can be avoided. Or, the filter element 3 can include at least two activated carbons, at least one activated carbon is arranged in the air inlet passage, and at least another activated carbon is arranged in the air outlet passage. Driven to enter the air inlet channel through the air inlet 111, and enter the air outlet channel after being filtered by activated carbon once in the air inlet channel, and then discharge from the air outlet 121 after being filtered by activated carbon in the air outlet channel to realize air flow. Purify, and improve the purification effect. During specific implementation, selection can be made according to actual needs, which is not limited in this application.

It should be noted that when the air cleaning device provided by the embodiment of the present invention is used in a three-dimensional printer, it can be placed or fixed on the upper base of the printer.

In order to improve the ease of use of the air purification device, in the embodiment of the present utility model, referring to Fig. 1, the air purification device may also include: a main control board 4, which is arranged in the housing 1 and connected with the fan 2 electrical connection; power supply 5, the power supply 5 is set in the casing 1, and is electrically connected with the main control board 4.

In the above embodiment, the main control board 4 is used to control the start or stop of the fan 2 according to the control command. After the user sends the control command to the main control board 4, the main control board 4 can control the start or stop of the fan 2, thereby realizing the The start or stop of the air purification device is more convenient to use. Wherein, the mode that the user sends control order to main control board 4 can have many kinds, for example, voice receiving part can be set on main control board 4, such as stereo, is used for receiving the user's voice command, when the user sends and blower fan 2 starts or When the corresponding voice command is stopped, the main control board 4 can control the fan 2 to start or stop according to the voice command, and the voice command is the control command; and/or, a button can be set on the main control board 4. , the main control board 4 can control the fan 2 to start or stop, and the signal sent by the key is the control command. Specifically, it can be selected according to actual needs during implementation, which is not limited in this application.

In the above embodiments, by setting the power supply 5, the air cleaning device can be independently powered without relying on an external power supply, which is more convenient to use. Wherein, the power supply 5 can be a storage battery, and the main control board 4 is also used to control the charging and discharging of the power supply 5, so as to realize the cycle and long-term air purification function of the air purification device. Specifically, the main control board 4 can be provided with a power detection device electrically connected to the power supply 5 for detecting the power of the power supply 5 and sending a corresponding signal to the main control board 4. When the power of the power supply 5 is insufficient and the power supply 5 is connected to an external power supply After the device is installed, the main control board 4 can control the power supply 5 to charge. When the power supply 5 is fully charged, the main control board 4 controls the power supply 5 to discharge to provide the required power for the device.

In order to ensure that the air cleaning device can work normally, in the embodiment of the utility model, referring to Fig. 1, the air cleaning device also includes a first partition, which is connected to one side of the blower fan 2, and the first partition A first ventilation opening is provided; and/or a second partition 6 is connected to the other side of the fan 2 , and a second ventilation opening is provided on the second partition 6 .

In the above embodiment, by setting the first partition and/or the second partition 6, it can be realized that when the air purification device is placed upright, the first partition and/or the second partition 6 can be used to hold activated carbon to fix Activated carbon can also protect the fan and prevent the blades of the fan from being stuck by foreign objects, thereby ensuring the normal operation of the fan and thus ensuring the normal operation of the air purification device. Wherein, the structural forms of the first vent and the second vent can be various, for example, both of them can include a plurality of annular holes arranged concentrically, and each annular hole is arranged at multiple intervals, and along the direction from the center of the circle to the outer edge In the direction of , the arc length of each segment of each annular hole gradually increases. Such a structural setting can improve the ventilation uniformity of the partition, improve the filtering effect of the filter element 3, and further improve the purification effect of the air purification device.

In the embodiment of the utility model, referring to Fig. 1, the housing 1 includes a body 11, a first cover 12 and a second cover 13; the body 11 can be a cylinder with at least one end open, and in this embodiment, the body 11 can It is a cylinder with two ends open, the first cover 12 is detachably connected to one open end of the main body 11, and the second cover 13 is detachably connected to the other open end of the main body 11; the filter 3 and the fan 2 are close to the first The cover 12 is set, and the "near" here can be understood as the filter 3 and the fan 2 can be set in the first cover 12, or the filter 3 is set in the first cover 12, and the fan 2 is set in the body 11 , or part of the filter 3 is set in the first cover 12, part of the filter 3 and the fan 2 are set in the body 11, the main control board 4 and the power supply 5 are set close to the second cover 13; the air inlet 111 can be set in the body 11 , the air outlet 121 can be arranged on the first cover 12 , or the air outlet 121 is arranged on the body 11 and the air inlet 111 is arranged on the first cover 12 . In other embodiments, the air outlet 121 and the air inlet 111 can be arranged in different positions according to requirements.

In other embodiments, when the body 11 is a cylinder with one end open, the second cover 13 can be integrated with the body.

In some embodiments, the housing 1 can be configured to include a body 11 and a first cover 12 and a second cover 13 that are detachably fastened to the two open ends of the body 11, and the filter 3 and the fan 2 are close to the second cover. One cover 12 is set, and the main control board 4 and battery 5 are set close to the second cover 13, so that when the first cover 12 is disassembled, the filter 3 and fan 2 can be easily taken out, which not only facilitates the filter 3 The replacement is also convenient for the maintenance of the fan 2; correspondingly, when the second cover 13 is disassembled, the main control board 4 and the battery 5 can be easily taken out, thereby facilitating the maintenance of the main control board 4 and the battery 5, and thus making the The maintenance operation of the air purification device is more convenient.

In the above embodiment, for the case where the air inlet 111 is arranged on the body 11 and the air outlet 121 is arranged on the first cover 12, the fan 2 can be a blower fan. In some embodiments, the air will pass through the fan 2, filter Part 3, the air outlet 121; for the case where the air outlet 121 is arranged on the body 11 and the air inlet 111 is arranged on the first cover 12, the fan 2 can be a suction fan, and in some embodiments, the air will be filtered in turn Part 3, blower fan 2, air outlet 121.

When the filter element 3 is arranged in the air inlet channel, after the blower fan 2 is started, the air with a pungent smell can be sucked into the air inlet 111 by the fan 2 and enter the air inlet channel, and enter the air outlet channel after being filtered by the filter element 3, and finally It is discharged from the air outlet 121 to realize air purification. Or, when the filter element 3 is arranged in the air outlet channel, after the fan 2 is started, the air with a pungent smell can be sucked into the air inlet channel by the fan 2 through the air inlet 111, then enter the air outlet channel, and be filtered by the filter element 3 Exhaust from the air outlet 121 to achieve air purification. In this case, since the activated carbon is closer to the air outlet 121, the fan 2 is farther away from the air outlet 121 than the activated carbon, so that the fan 2 can move under the activated carbon, which can reduce the operating noise of the fan 2. To improve user experience, in this embodiment, the filter element 3 is located at the outlet of the above-mentioned fan 2, and the residue of the filter element 3, such as the residue generated by activated carbon damage, is blown out of the body through the fan 2, which can avoid the influence of the residue on the fan 2.

In the above embodiment, the air inlet 111 may include a plurality of through holes arranged in an array, and the plurality of through holes may be arranged on at least three side walls of the main body 11, so as to increase the air intake volume and air intake of the air evolution device. The uniformity of the wind improves the purification effect; the air outlet 121 can include a plurality of concentrically arranged annular through holes, and the plurality of annular through holes can be arranged on the top wall of the first cover 12, thereby improving the air outlet of the air evolution device Uniformity, improve user experience.

Moreover, notches can be provided on the ends of the first cover 12 and the second cover 13, respectively, so that the ends of the body 11 are engaged with the first cover 12 and the second cover 13 through the notches, so that The inner and outer walls of the first cover 12 and the second cover 13 are correspondingly flush with the inner and outer walls of the main body 11 , making the structure more compact and beautiful.

In the embodiment of the utility model, the housing 1 includes a body 11 and a first cover 12; the body 1 is a cylinder with one end open, and the first cover 12 is detachably connected to the opening end of the body 1; the filter 3 and the fan 2 Set close to the first cover 12 ; the air inlet 111 is set on the body 11 and the air outlet 121 is set on the first cover 12 , or the air outlet is set on the body 11 and the air inlet 111 is set on the first cover 12 .

In some embodiments, the housing 1 can also be configured to include a main body 11 and a first cover 12 that is detachably fastened to the opening end of the main body 11, that is, the housing 1 can be open at only one end and fastened with a cover. structure, the filter 3 and the fan 2 are arranged close to the first cover 12, so that when the first cover 12 is disassembled, the filter 3 and the fan 2 can be easily taken out, which is not only convenient for the replacement of the filter 3, but also convenient The maintenance of the fan 2 makes the maintenance operation of the air cleaning device more convenient.

In some embodiments, for the structure where the housing 1 is only open at one end and is fastened with a cover, the arrangement of the air outlet 121 and the air inlet 111 on the housing 1, the positional relationship between the filter 3 and the fan 2 and the air flow The filtering process is the same as that of the foregoing embodiments, and will not be repeated here.

Among them, the detachable connection between the first cover 12 and the main body 11 can be in many ways. In order to facilitate the operation, in the embodiment of the utility model, referring to FIG. Undercuts 122, a plurality of first undercuts 122 are arranged at intervals along the circumference of the first cover 12, the first undercuts 122 are elastic undercuts; the body 11 is provided with a plurality of second undercuts 112, and a plurality of second undercuts 112 Two undercuts 112 are arranged at intervals along the circumference of the body 11, and a plurality of second undercuts 112 corresponds to a plurality of first undercuts 122; the first undercuts 122 can be forced to occur by the ends of the second undercuts 112 deformed, and can restore the deformation when detached from the end of the second undercut 112 to be engaged with the second undercut 112 .

According to the above-mentioned embodiment, the first cover 12 and the main body 11 are snap-connected in the form of an undercut structure. When the first cover 12 needs to be fastened, a slight force can be applied to the first cover 12 so that the first The undercut 122 abuts against the end of the second undercut 112 and deforms until the first undercut 122 disengages from the end of the second undercut 112 and resumes its deformation to be snapped and connected in the second undercut 112 to realize the first The snap-fit connection between the cover body 12 and the body 11; when the first cover body 12 needs to be disassembled, the side wall of the first cover body 12 can be pinched, and the first cover body 12 can be deformed with a slight force, thereby driving the first inverted When the buckle 122 is disengaged from the second undercut 112 , the first cover 12 can be pulled away from the main body 11 to realize the disassembly of the first cover 12 , which is convenient and quick to operate, thus making it more convenient to replace the filter element 3 . Wherein, the first undercut 122 and the first cover 12 can be integrally formed and connected, and both are made of elastic materials such as plastic.

There may be various detachable connection methods between the second cover 13 and the main body 11 , for example, the second cover 13 and the main body 11 may be screwed or buckled.

In the embodiment of the present utility model, referring to Fig. 2, the first undercut 122 is provided with a first guide slope 1221, and the second undercut 112 is provided with a second guide slope 1121 matching the first guide slope 1221, so that The first undercut 122 can be smoothly engaged with the second undercut 112 through the cooperation of the first guiding slope 1221 and the second guiding slope 1121 , so that the first cover 12 can be buckled on the main body 11 more conveniently and quickly.

In the embodiment of the utility model, referring to Fig. 1, the air purification device also includes a bracket 7, the bracket 7 is arranged in the housing 1, the main control board 4 and the power supply 5 are all arranged on the bracket 7; the second cover 13 and the bracket 7 detachable connections.

According to the above embodiment, when the second cover 13 is disassembled, since the bracket 7 is detachably connected to the second cover 13, when the second cover 13 is pulled out, the bracket 7 can be taken out of the body 11 together to realize In order to disassemble the main control board 4 and the power supply 5 together when the second cover 13 is disassembled, the operation is more convenient. Moreover, the support 7 and the second cover 13 are connected by a pluggable connection mode of a socket and a plug post, which can facilitate disassembly and assembly between the support 7 and the second cover 13, and the operation is more convenient.

In the above embodiments, there may be various detachable connection modes between the second cover body 13 and the bracket 7 , which are not limited in this application. For example, the bracket 7 may be provided with a socket 71, and the second cover 13 may be provided with a plug-in post 131, and the plug-in post 131 is removably plugged into the socket 71; or, the bracket 7 is provided with a plug-in Connecting column, the second cover body 13 is provided with a socket, and the plugging column is pluggably plugged into the socket; or, the second cover body 13 and the bracket 7 can be connected by fasteners such as screws; or, The second cover 13 can be provided with a magnetic piece or a magnetic piece, and a magnetic piece or a magnetic piece can be provided at a corresponding position on the bracket 7, so that the second cover 13 and the bracket 7 pass through the magnetic piece and the magnetic piece. Magnetic connection, specifically, the magnetic part can be a magnet, and the magnetic part can be a magnet or a metal part; or, the second cover 13 and the bracket 7 are respectively provided with a buckle structure, so that the second cover 13 and the bracket 7 are buckled connect.

It should be noted that, for a structure in which only one end of the housing 1 is open, the bracket 7 can be connected to the inner wall of the housing 1 opposite to its open end, or connected to other parts in the housing 1, so as to realize the fixing of the bracket 7 Inside the housing 1.

In the above-mentioned embodiment, the structure form of the support 7 can have many kinds, as long as the main control board 4 and the power supply 5 can be installed, for example, a mounting hole 72 can be provided on one side of the support 7, for passing through the mounting hole 72 and the fastening The main control board 4 is installed on the firmware, and the other side of the bracket 7 can be provided with an installation slot matching the contour shape of the power supply 5, and the power supply 5 is installed in the installation slot.

In the embodiment of the present invention, referring to Fig. 1, the main control board 4 is provided with a button 41, a universal serial bus interface 42 and a light source 43; the body 11 is provided with a first through hole 113, a second through hole 114 and a third through hole Through hole 115 ; the button 41 is exposed through the first through hole 113 , the USB interface 42 is exposed through the second through hole 114 , and the light source 43 is exposed through the third through hole 115 .

In the above embodiment, the button 41 can be used to send a control instruction to the main control board 4, and the user can press the button 41 to trigger the button 41 to send a corresponding signal to the main control board 4, so that the main control board 4 controls the start or stop of the fan 2 ; The universal serial bus interface 42 can be used for being connected with power supply, so that power supply 5 is charged; ; When the two-color light is green and flashes, it means that the power supply 5 is insufficient and needs to be charged; the two-color light is red and flashes to indicate that the power supply 5 is charging, so as to remind the user of the working status of the air purification device, which is more convenient to use.

In the embodiment of the present utility model, referring to Fig. 1, the air purification device also includes a light guide 8, which is connected to the light source 43 and inserted in the third through hole 115 for emitting light from the light source 43. The light is transmitted to the outside of the body 11 .

In the above embodiments, the light guide 8 is provided so that the light guide 8 transmits the light from the light source 43 to the outside of the main body 11 for easy viewing by the user. Specifically, the light guide member 8 may be a light guide column.

The embodiment of the utility model also provides a three-dimensional printer, including the aforementioned air purification device, specifically, the three-dimensional printer also includes a body, and the air purification device can be placed or fixed on the upper bottom plate of the printer, and can be Select the number of uses of this air cleaning device.

The three-dimensional printer provided by the embodiment of the utility model includes an air purification device, an air inlet 111 and an air outlet 121 are arranged on the housing 1 of the device, and a fan 2 and a filter 3 are arranged in the housing 1, and the air inlet of the fan 2 end communicates with the air inlet 111 to form an air inlet channel, and the air outlet end of the fan 2 communicates with the air outlet 121 to form an air outlet channel, and the filter element 3 is arranged in the air inlet channel and/or the air outlet channel, when the fan 2 starts, the outside The air with a pungent smell can enter the housing 1 through the air inlet 111 driven by the fan 2, and be discharged from the air outlet 121 after being filtered by the filter element 3 in the air inlet channel and/or the air outlet channel, thereby Realize the purification of the air, reduce the irritating odor in the air, thereby avoiding the impact on the health of the operators and the use environment of the equipment, and improving the user experience.

In the embodiment of the present utility model, the air purification device is used for a three-dimensional printer, and includes a housing 1, which is provided with an air inlet 111 and an air outlet 121; The air inlet end of the fan 2 communicates with the air inlet 111 to form an air inlet channel, and the air outlet end of the fan 2 communicates with the air outlet 121 to form an air outlet channel; the filter element 3 is arranged in the air inlet channel and/or the air outlet channel. The air cleaning device also includes a main control board 4 , the main control board 4 is arranged in the casing 1 and is electrically connected with the fan 2 . The power supply 5 is disposed in the housing 1 and electrically connected to the main control board 4 . The air cleaning device also includes a first partition, the first partition is connected to the air inlet end of the fan 2, and the first partition is provided with a first vent; and/or, the second partition 6, the second partition 6 is connected to the outlet end of the fan 2, and the second partition 6 is provided with a second vent. The housing 1 includes a body 11, a first cover 12 and a second cover 13; the body 11 is a cylinder with two ends open, the first cover 12 is detachably connected to one open end of the body 11, and the second cover 13 It is detachably connected to the other open end of the main body 11; the filter element 3 and the fan 2 are set close to the first cover 12, the main control board 4 and the power supply 5 are set close to the second cover 13; the air inlet 111 is set on the main body 11 Above, the air outlet 121 is disposed on the first cover 12 . The first cover 12 is provided with a plurality of first undercuts 122, and the plurality of first undercuts 122 are arranged at intervals along the circumferential direction of the first cover 12. The first undercuts 122 are elastic undercuts; There are a plurality of second undercuts 112, and the plurality of second undercuts 112 are arranged at intervals along the circumference of the body 11. The plurality of second undercuts 112 corresponds to the plurality of first undercuts 122; the first undercuts 122 can The deformation occurs under the force of the end of the second undercut 112 , and the deformation can be resumed when detached from the end of the second undercut 112 to be engaged with the second undercut 112 . The first undercut 122 is provided with a first guiding slope 1221 , and the second undercut 112 is provided with a second guiding slope 1121 matching the first guiding slope 1221 . The air purification device also includes a bracket 7, the bracket 7 is arranged in the body 11, the main control board 4 and the power supply 5 are both arranged on the bracket 7; the second cover 13 is detachably connected to the bracket 7; the bracket 7 is provided with a socket , the second cover 13 is provided with a plug-in post, and the plug-in post is pluggably plugged into the jack; or, the bracket 7 is provided with a plug-in post, and the second cover 13 is provided with a jack, and the plug-in post is plugged in. The posts are pluggably plugged into the sockets. The main control board 4 is provided with a button 41, a universal serial bus interface 42 and a light source 43; the body 11 is provided with a first through hole 113, a second through hole 114 and a third through hole 115; the button 41 passes through the first through hole 113 , the USB interface 42 is exposed through the second through hole 114 , and the light source 43 is exposed through the third through hole 115 . The air purification device also includes a light guide 8 connected to the light source 43 and inserted into the third through hole 115 for guiding the light emitted by the light source 43 to the outside of the main body 11 . The embodiment of the utility model also provides a three-dimensional printer, including the aforementioned air purification device.

Those skilled in the art can easily understand that, on the premise of no conflict, the technical features in the above-mentioned different implementations can be freely combined and superimposed, and will not be described in detail here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present utility model. and range.

Claims

An air cleaning device for a three-dimensional printer, the three-dimensional printer includes a cover and a substrate provided with a trough, the cover is connected to the substrate to form an accommodating space, and the trough is located in the accommodating space , characterized in that the air purification device is used to be movably arranged in the accommodation space to purify the air in the accommodation space, and the air purification device includes:

A casing, the casing is provided with an air inlet and an air outlet;

A fan, the fan is arranged in the housing, the air inlet end of the fan communicates with the air inlet to form an air inlet channel, and/or the air outlet end of the fan communicates with the air outlet to form an air outlet access; and

A filter element is arranged in the air inlet passage and/or the air outlet passage.
The air cleaning device according to claim 1, further comprising:

a main control board, the main control board is arranged in the housing and is electrically connected to the fan; and

A power supply, the power supply is arranged in the casing and is electrically connected to the main control board.
The air cleaning device according to claim 1, further comprising:

A first partition, the first partition is connected to one side of the fan, the first partition is provided with a first vent; and/or,

A second partition, the second partition is connected to the other side of the fan, and the second partition is provided with a second vent.
The air cleaning device according to claim 2, characterized in that,

The housing includes a body and a first cover;

The body is a cylinder with at least one end open, and the first cover is detachably connected to one open end of the body;

The filter element and the fan are arranged close to the first cover;

The air inlet is arranged on the body and the air outlet is arranged on the first cover, or the air outlet is arranged on the body and the air inlet is arranged on the first cover superior.
The air cleaning device according to claim 4, characterized in that,

The first cover is provided with a plurality of first undercuts, the plurality of first undercuts are arranged at intervals along the circumference of the first cover, and the first undercuts are elastic undercuts;

The body is provided with a plurality of second undercuts, the plurality of second undercuts are arranged at intervals along the circumference of the body, and the plurality of second undercuts are connected to the plurality of first undercuts. correspond;

The first undercut can be deformed under the force of the end of the second undercut, and can recover the deformation when detached from the end of the second undercut to snap-connect with the second undercut.
The air cleaning device according to claim 1, characterized in that,

The filter element includes activated carbon, and the activated carbon has a plurality of through holes arranged in an array;

The through hole is square, the width of the through hole is 1-3mm, and the distance between two adjacent through holes is 0.3-1.5mm; or, the through hole is circular, and the diameter of the through hole is 1-3mm, and the minimum distance between two adjacent through holes is 0.3mm.
The air cleaning device according to claim 6, characterized in that,

The through holes are square, the width of the through holes is 1.5 mm, and the distance between two adjacent through holes is 0.6 mm; or,

The through hole is circular, and the diameter of the through hole is 1.5 mm.
The air cleaning device according to claim 2, characterized in that,

The housing includes a body, a first cover and a second cover;

The body is a cylinder with openings at both ends, the first cover is detachably connected to one open end of the body, and the second cover is detachably connected to the other open end of the body;

The filter element and the fan are arranged close to the first cover, and the main control board and the power supply are arranged close to the second cover;

The air inlet is arranged on the body and the air outlet is arranged on the first cover, or the air outlet is arranged on the body and the air inlet is arranged on the first cover superior.
The air cleaning device according to claim 8, further comprising:

a bracket, the bracket is arranged in the body, and the main control board and the power supply are both arranged on the bracket;

The second cover is detachably connected to the bracket.
A three-dimensional printer, characterized by comprising the air cleaning device according to any one of claims 1-9.