JP2875558B2 - air purifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier, and more particularly to an air purifier provided with a dirt sensor for detecting air dirt and automatically starting operation when air dirt is detected. .

[Prior art]

Tobacco smoke particles are easy to move upward,
Efficiency is higher if the dirt sensor is also placed at a higher place. For this reason, it is preferable that the air purifier be a wall-mounted type that is set at a high place, but if it can be placed on the floor depending on the situation, convenience in use will be improved. For this reason, there has conventionally been provided one in which a user can select between a wall-mounted device and a floor-mounted device.

[Problems to be solved by the invention]

However, conventional air purifiers that can also be hung on the wall are formed horizontally, and when placed on the floor, they remain in this state, so even if a dirt sensor is provided on the upper side of the air purifier. However, the height of the dirt sensor from the floor surface when placed on the floor was low, and it was not possible to detect air dirt quickly. The present invention has been made in view of such a point, and an object of the present invention is to provide an air purifier capable of promptly detecting the detection of air contamination not only when hanging on a wall but also when placing on a floor. To offer.

[Means for Solving the Problems]

Thus, the present invention provides an air purifier having a blowout port on at least an upper surface of a horizontally long rectangular main body and a suction port on a front surface of the main body and a dirt sensor for detecting air dirt. The main body of the air purifier can be freely arranged horizontally and vertically by a stand which is disposed on one side of the front surface of the main body and can be fitted on the lower surface of the main body and the other front side of the main body. doing. [Operation] According to the present invention, it is possible to respond to the horizontal use and the vertical use by changing the mounting position of the stand even when placed on the floor.
The dirt sensor can be kept at a high position. [Embodiment] Hereinafter, the present invention will be described in detail with reference to the illustrated embodiment. The illustrated air purifier 1 is of an electrostatic precipitating type, and is shown in FIG. As shown in FIG. 1, it has a pair of engaging holes 14 for wall hanging, and as shown in FIG.
An outlet 13 is provided at the upper left corner of the front, and a dirt sensor 20, an air volume display unit 21, a switch group 22, and a human body are detected on the front right, in order from the top, from the top. The detection sensor 23 is arranged. Here, the portion of the suction port 11 where the grill 12 is arranged,
It is formed in a shape protruding forward from the front of the main body 10,
The peripheral portion is made to have a thickness of only the main body 10, and within the thickness of the protruding portion, a discharge device 3 for performing corona discharge for electric dust collection shown in FIG. 2 and a discharge device 3 shown in FIG. A filter 4 and a filter frame 5 are provided. A motor and a fan (not shown) driven by the motor are incorporated in the back of the main body 10.
Now, if air is sucked in from the suction port 11 by driving the fan, dust particles in the air are charged by corona discharge between the discharge electrode to which a high voltage of about 6500 V is applied in the discharge device 3 and the counter electrode plate, The charged particles are collected by a filter 4 connected to a ground electrode in the discharge device 3. The air that has passed through the filter 4 is blown out from the outlet 13. In addition, the filter 4 is a filter material for dust removal,
A deodorizing filter material made of activated carbon or the like is also provided, and is incorporated into the main body 10 through the filter frame 5. That is, as shown in FIGS. 3 and 4, the filter frame 5 here comprises a rectangular frame main body 50 and a contact spring 55 attached to the main body 5. In addition to having a bar 51 integrally formed on the side surface, a handle 53 is provided at the center of one side surface, a projection 54 is provided at both ends, and a plurality of pressers are provided on a surface opposite to the surface on which the bar 51 is provided. A projection 59 is provided. In the figure, reference numeral 52 denotes a reverse insertion prevention projection for preventing reverse insertion when the filter frame 5 is inserted and set in the air purifier 1. One end of the contact spring 55 in the filter frame 5 is fixed by caulking to the frame main body 50, the central portion bent in the shape of a letter protrudes laterally from a notch provided in the end face of the frame main body 50, and the other end edge is formed. When the filter frame 5 is set in the air purifier 1, the contact terminal 57 has a serrated shape.
A connection terminal 56, which is a caulked portion of one end of the contact spring 55, contacts the ground electrode of the discharge device 3 located on the front side of the filter frame 5. When the filter 4 is fitted into the filter frame 5, the filter 4 is fixed to the filter frame 5 with its front and rear portions sandwiched between the crosspieces 51 and the holding projections 59. Is inserted into the filter storage section 15 of the air purifier 1 by sliding the filter from below, the side wall of the filter storage section 15 presses the contact spring 55 projecting from the filter frame 5 to push the contact terminal 57 inward. The contact terminal 57 cuts into the conductive terminal portion provided on the end face of the filter 4 to make an electrical connection between the filter 4 and the ground electrode. It should be noted that the filter frame 5 is prevented from coming off by engaging the protrusion 16 shown in FIG. 10Pressed to the front side. Removal of the filter 4 for cleaning or replacement is performed by pulling the handle 53 toward the front side and pulling it downward while disengaging from the projection 16. Now, as described above, the air purifier 1 can be hung on the wall in a horizontally long state by using the pair of engagement holes 14 provided on the back side as described above. In addition, the floor can be placed on the floor by using the stand 6. As shown in FIG. 9, the stand 6 has a groove 60 having a width substantially equal to the thickness of the main body 10 of the air purifier 1 on its upper surface. As shown in FIG. The main body 10 can be placed on the floor by fitting it into the groove 60 of the stand 6, and as shown in FIG. 7, it can be placed on the floor in a vertical position. In this vertical installation, the position of the dirt sensor 20 is completely different in the vertical direction depending on which of the left and right is the lower side, but here the front surface on the right side where the dirt sensor 20 is arranged is as described above. In addition, there are a display unit 21 and a switch group 22, which are hidden by the stand 6 when the right side is turned down.
As shown in FIG. 5 and FIG. 11 on the back of the left side of the main body 10,
As shown in FIG. 9, the stand 6 is provided with a ridge 18, a concave groove 61 in which the ridge 18 is fitted is formed on the side wall of the groove 60, and the power cord 8 provided on the back side of the main body 10 Hook 62 is formed to engage with the guide groove 19 for use. When the main body 10 is fitted into the groove 60 of the stand 6 with the left side of the main body 10 facing down, the engagement between the ridge 18 and the concave groove 61 is achieved. And hook 62 and guide groove 19
The main body 10 is connected to the stand 6 by the engagement with the stand, so that the user may set the stand 6 in the wrong orientation, that is, the dirt sensor 20 is positioned below. There is no one. As a result, even when the air purifier 1 is placed on the floor using the stand 6, the dirt sensor 20 for detecting dirt on the air can be placed at a high position, and smoke particles and the like that are easily moved upward can be moved. The detection of air contamination by capturing air can be performed promptly. The hook 62 connects the stand 6 and the main body 10 by engaging with the guide groove 19, and the main body 10 is moved for movement or the like.
By lifting the stand, the stand 6 is also lifted at the same time. Also, as shown in FIG. Eliminates back-and-forth rattling of the body 10 due to the clearance between the groove 60 and the body 10. In addition, since the sensor can be installed upside down and left and right as described above, the detection sensor 23 also has a variable directivity. That is, the detection sensor 23 for detecting a human body, which is constituted by a hot wire type or the like, detects the air purifier 1 when a person enters the room where the air purifier 1 is arranged.
This operation is performed by a cylindrical holding frame 70 formed on the main body 10, as shown in FIG.
It is attached via a ring 72 and a holder 75. The ring 72 is attached to the distal end of the holding frame 70 by a hook 71 formed on the holding frame 70, and integrally has click springs 73 at four locations. On the other hand, the holder 75 to which the detection sensor 23 is fixed has a pair of shafts 76, 76.
Projecting to both sides, this shaft 76,76
Are attached to the ring 72 by being held by engagement of the ring 72 with the click spring 73, as shown in FIGS. 13 and 14, and the shaft of the shaft 76 as shown in FIG. The holder 75 and the detection sensor 23 can be rotated around, and by further rotating the holder 75 by 90 ° with respect to the ring 72, the shaft 76 is engaged with another click spring 73 part. It can be made to be. That is, when the air purifier 1 is hung on a wall or placed on the floor in a horizontally long state, the directivity of the detection sensor 23 can be swung up and down by rotation about the axis 76.
Even when the air purifier 1 is placed vertically with the left side edge down, by rotating the holder 75 by 90 ° with respect to the ring 72, it is possible to maintain a state in which the directivity can be shifted up and down. Is what it is. It should be noted that the rotation of the holder 75 with respect to the ring 72 is within a range of 90 ° by making the shape of the two pairs of click springs 73 symmetrical, as is clear from FIG.

【The invention's effect】

As described above, in the present invention, it is possible not only to mount the camera on a wall, but also to use it on a floor by using a stand, and at the same time, it is possible to respond to the change of the mounting position of the stand between horizontal and vertical when the computer is placed on the floor. It can be specified in a direction that can keep the dirt sensor at a high position when the stand is installed on a vertical floor, so that air dirt can be upwards like smoke particles. Even if it is caused by a thing which is easy to move, the dirt of the air can be quickly detected.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention, FIG. 2 is an exploded perspective view of the same, FIG. 3 is a perspective view of the filter and the filter frame of the same, FIG. Fifth
FIG. 6 is a perspective view showing the back side of the main body of the above, FIG. 6 is a perspective view when the same is placed on the floor, and FIGS. 7 and 8 are perspective views and side views when the same is placed vertically on the floor. Fig. 9, Fig. 9 is a perspective view of the stand, Fig. 10 is a sectional view of the same, Fig. 11 is an enlarged perspective view of the back side of the main body, Fig. 12 is an exploded perspective view of a detection sensor mounting part, Figs. FIG. 14 is a perspective view and a rear view of the holder and the ring, and FIGS. 15 (a) and 15 (b) are explanatory views of the operation of the same, where 1 is an air purifier, 6 is a stand,
10 is a main body, 20 is a dirt sensor.

────────────────────────────────────────────────── ─── Continuing on the front page (72) Kozo Hayashi 1048 Ojimon Kadoma, Kadoma City, Osaka Prefecture Inside Matsushita Electric Works, Ltd. (56) References JP-A-48-59466 (JP, A) JP-A-63-126517 (JP, A) (58) Field surveyed (Int. Cl. ⁶ , DB name) B01D 53/30 B01D 46/44-46/46 B03C 3 / 32,3 / 36,3 / 82

Claims (2)

(57) [Claims] 1. An air purifier having a horizontally long rectangular main body having at least an outlet on an upper surface thereof and a suction port and a dirt sensor for detecting dirt of air on a front surface of the main body. The air is characterized in that the main body of the air purifier can be freely turned horizontally and vertically by a stand which is arranged on one side of the front surface and can be fitted on the lower surface of the main body and the other side of the front surface of the main body. Purifier. 2. The air purifier according to claim 1, wherein the dirt sensor is provided at a position above the front surface of the main body, and the dirt sensor is formed at a high position by the stand.