[0032] figure 1 It is a schematic diagram of the tuyere device of the present invention in the first mode, figure 2 It is a schematic diagram of the tuyere device of the present invention in the second mode. Please refer to figure 1 , figure 2 , the tuyere device 100 includes a body unit 110 and a cover unit (not shown), the body unit 110 has a tuyere 111, the cover unit includes at least one sub-cover unit each having ventilation holes, and at least one of the sub-cover units has a first Sub-cover unit 101, such as figure 1 , figure 2 As shown, the first sub-cover unit 101 faces the tuyere 111 when in use. The tuyere device 100 has a first mode and a second mode. In the first mode, only the first sub-cover unit 101 is used for ventilation of the tuyere 111 ; in the second mode, at least one of the sub-cover units also has a second mode. The two sub-cover units 102, the first sub-cover unit 101 and the second sub-cover unit 102 are jointly used for ventilation of the tuyere 111. The first mode is different from the second mode. Of course, in the second mode, the Have more sub-cover units with ventilation holes for common ventilation, e.g. in figure 2 Among them, the third sub-cover unit 103 opposite to the second sub-cover unit 102 can also be used for ventilation.
[0033] In this way, the tuyere device 100 can switch the mode through the adjustment of the cover unit, for example image 3 Shown is an embodiment of the tuyere device of the present invention. Please refer to Figure 1 to Figure 3 , the tuyere device 100 includes a main body unit 110 , a first cover unit 120 and a second cover unit 130 . The body unit 110 has a tuyere 111 , a first fixing unit 112 and a contact point unit 113 . The first fixing unit 112 is disposed around the tuyere 111 , the contact point unit 113 is disposed adjacent to the tuyere 111 , and the contact point unit 113 has a first sub-contact point unit 1131 and a second sub-contact point unit 1132 .
[0034] The first cover unit 120 has a first grid cover 121, a first protruding unit 122 and a second fixing unit 123. The first cover unit 120 only includes the first sub-cover unit 101 and the first grid cover 121. There are ventilation holes, the first protruding unit 122 corresponds to the first sub-contact unit 1131 , and the second fixing unit 123 corresponds to the first fixing unit 112 to fix the first cover unit 120 to the main body unit 110 .
[0035] The second cover unit 130 includes a second grill 131, a second protruding unit 132 and a third fixing unit 133. The second cover unit 130 includes a first sub-cover unit 101 and a second sub-cover unit 102. The second grille 131 is provided with a plurality of ventilation holes, and the passable air volume of the second grille 131 is greater than that of the first grille 121, such as figure 1 As shown, in this embodiment, the first cover plate unit 120 is a flat plate structure, the second cover plate unit 130 is a non-closed box-like structure, one side of the box-like structure is provided with an opening and the other side is provided on at least one side The ventilation hole, for example, the second cover unit 130 has adjacent first, second and third surfaces, the first surface is facing the opening, and the second surface and the third surface are arranged opposite to each other, wherein the first surface, The second surface and the third surface are provided with ventilation holes, and the above-mentioned openings correspond to the tuyere 111 of the tuyere device 100. Since the ventilation holes are provided on multiple surfaces of the box-packed structure, the passable air volume of the second grille 131 is greater than that of the second grille cover 131. Passable air volume of a grille 121 . Of course, in other embodiments, the second grill 131 can also be of other shapes, and the ventilation holes on it can also be opened on other surfaces, as long as the air volume that can pass through it is different from that of the first grill 121. Can. The second protruding unit 132 of the second cover unit 130 corresponds to the second sub-contact unit 1132 , and the third fixing unit 133 corresponds to the first fixing unit 112 for fixing the second cover unit 130 to the main unit 110 .
[0036]When the first protruding unit 122 contacts the first sub-contact point unit 1131, the tuyere device 100 enters the first mode; when the second protruding unit 132 contacts the second sub-contact point unit 1132, the tuyere device 100 enters the second mode, The first mode is different from the second mode. The tuyere device 100 further has a processing unit (not shown), the processing unit is electrically connected to the contact point unit 113 , and the processing unit determines the current mode of the tuyere device according to the contact information of the contact point unit 113 . In this way, the user can replace different cover plate units according to the actual demand mode, and the tuyere device 100 can automatically switch the relevant mode according to the contact information of the contact point unit 113 .
[0037] For example, in this embodiment, the passable air volume of the second grille 131 is greater than that of the first grille 121 , the first mode is the normal mode, and the second mode is the silent mode. For example, when the tuyere device 100 is used for heat dissipation, when the above-mentioned tuyere 111 is an air inlet, in order to reduce the same temperature, the noise of the tuyere device 100 in the second mode can be reduced by 6% compared with the noise of the tuyere device 100 in the first mode. In addition, the cooling efficiency of the tuyere device 100 in the second mode is also better than the cooling efficiency of the tuyere device 100 in the first mode. For example, when the tuyere device 100 is used for heat dissipation, under the same fan speed, the tuyere device 100 in the second mode can be cooled by 2.5-3.1°C more than the tuyere device 100 in the first mode. That is, the noise reduction and cooling efficiency of the second mode is better than that of the first mode, and users can choose which mode to use according to their different needs.
[0038] In this embodiment, the tuyere device 100 further has a sensor (not shown) to detect whether the connection between the cover unit and the main body unit 110 is completed.
[0039] In this embodiment, in the first mode, the first cover unit 120 is fixed to the main body unit 130 by the second fixing unit 123 and the first fixing unit 112 being fixed to each other, such as figure 1 , image 3 As shown, the fixing method between the second fixing unit 123 and the first fixing unit 112 is a hook fixing method or a screw fixing method. In this embodiment, the first fixing unit 112 has a first upper fixing unit 1121 and a first lower fixing unit 1122, the second fixing unit 123 has a second upper fixing unit 1231 and a second lower fixing unit 1232, and the first upper fixing unit 1121 and the second upper fixing unit 1231 are fixed by screw locking, and the first lower fixing unit 1122 and the second lower fixing unit 1232 are fixed by hooks. That is, opposite sides of the second fixing unit 123 are fixed to the first fixing unit 112 by different fixing methods. In the second mode, the second cover unit 130 can also be fixed to the main body unit 130 by the third fixing unit 133 and the first fixing unit 112 being fixed to each other, such as figure 2 , image 3 As shown, the third fixing unit 133 also has a third upper fixing unit 1331 and a third lower fixing unit 1332, the first upper fixing unit 1121 and the third upper fixing unit 1331 are fixed by screw locking, and the first lower fixing unit 1122 and the The third lower fixing unit 1332 is fixed by a hook. That is, opposite sides of the third fixing unit 133 are fixed to the first fixing unit 112 by different fixing methods.
[0040] In the above embodiment, the first cover unit 120 and the second cover unit 130 need to be replaced when the tuyere device 100 is switched between the first mode and the second mode. Of course, in other embodiments, the user can also use the Other ways to switch modes, such as Figure 4 Another embodiment of the tuyere device of the present invention is shown. Please refer to figure 1 , figure 2 and Figure 4 , the tuyere device 200 includes a body unit 210 and a cover unit 220 . The body unit 210 has an accommodating space, and the tuyere 211 communicates with the accommodating space; the accommodating space is provided with a slide rail 212, and the cover unit 220 includes a first sub-cover unit 201 and a second sub-cover unit 202, and a second cover The unit 202 has a sliding block 221 opposite to the sliding rail 212 , and the sliding block 221 slides on the sliding rail 212 .
[0041] Wherein, in the first mode, the second sub-cover unit 202 of the cover unit 220 is accommodated in the accommodating space; in the second mode, the cover unit 220 slides out from the air vent 211 and is located outside the accommodating space. In this embodiment, the sliding rail 212 has a contact point unit, and the contact point unit includes a third sub-contact point unit 213 and a fourth sub-contact point unit 214, and the third sub-contact point unit 213 and the fourth contact point unit 214 are arranged on the At both ends of the slide rail 212 , the fourth sub-contact unit 214 is closer to the tuyere 211 than the third sub-contact unit 213 , and the cover unit 220 has corresponding protruding units 222 . When the protruding unit 222 contacts the third sub-contact unit 214, the tuyere device 200 enters the first mode; when the protruding unit 222 contacts the fourth sub-contact unit 215, the tuyere device 200 enters the second mode. That is, in the first mode, the cover unit 220 is retracted to the main unit 210 and only ventilated through the first sub-cover unit 201. In the second mode, the cover unit 220 is pulled out of the main unit 210 and can pass through the first sub-cover The panel unit 201 and the second sub-cover unit 202 present three-dimensional ventilation. In this way, the mode switching of the tuyere device 200 can be realized simply by retracting or pulling out the cover unit 220 .
[0042] Of course, in this embodiment, the slide rail 212 only has the third sub-contact point unit 213 and the fourth sub-contact point unit 214, while in other embodiments, the slide rail 212 may also have more sub-contact point units, In order to correspond to more modes, the number of sub-contact point units depends on the mode requirements of the tuyere device 200 .
[0043] Regarding the fixing methods of the cover unit 220 in different modes, in this embodiment, the slide rail 212 has a first fixing structure (not shown) and a second fixing structure (not shown), and the first fixing structure is used for the cover unit The fixing of 220 in the first mode, the second fixing structure is used for fixing the cover unit 220 in the second mode, the fixing methods of the first fixing structure and the second fixing structure are not limited, such as clamping and fixing. In other embodiments, the fixing structure can also be provided at other positions of the main body unit 210 and the cover unit 220, as long as the cover unit 220 can be fixed in different modes.
[0044] The present invention also provides an electronic device, which uses the above-mentioned tuyere device 100 or 200 , for example, the electronic device is a projector.
[0045] To sum up, the tuyere device of the present invention corresponds to different modes by adjusting the cover plate unit (for example, replacing the cover plate unit or changing the shape of the cover plate unit), and the user can perform the cover plate according to the actual demand mode. The ventilation volume of the unit is adjusted, so that the tuyere device can automatically switch to the relevant mode according to the contact information of the contact point unit.
[0046] Of course, the present invention can also have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes and deformation should belong to the protection scope of the appended claims of the present invention.
