JPH03135454A - Electrostatic dust collection-type air cleaner - Google Patents

Abstract

PURPOSE:To surely electrically connect a contact terminal and a terminal notwithstanding that a filter has softness and to surely collect the charged dust particles by pressing the contact terminal of an air cleaner against the terminal of a filter. CONSTITUTION:When the filter 1 is inserted into a filter frame 2, the front and rear of the filter 1 are detained by the bar 21 and presser protrusion 29, and the filter is fixed to the frame 2. The frame 2 contg. the filter 1 is slid and inserted into the filter housing 66 of the air cleaner main body. Consequent ly, the side wall of the housing 66 presses a contact spring 25 projecting from the frame 2, the contact terminal 27 is pressed into the terminal 16 of the filter 1, and the filter 1 is electrically connected to a conductor sheet. Besides, the terminal 16 of the filter 1 can be pressed against the contact terminal 27 of the main body.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to an electrostatic precipitator air cleaner, and particularly to a mounting structure for a filter for dust collection.

[Conventional technology]

As shown in FIG. 22, the electrostatic precipitator air cleaner has a 65-meter electrode between a discharge electrode 41 and a counter electrode plate 42 facing the discharge electrode.
By applying a high voltage of about 00V to cause corona discharge, the dust particles contained in the airflow passing between the two poles 41, 42 are charged, and these charged particles are connected to the ground electrode with a conductor. It is designed to be collected by filter 1. For this reason, the filter 1 used here must be able to be cleaned and replaced, and at the same time,
The conductor included in the filter 1 must be connected to the ground electrode.

[Problem to be solved by the invention]

Here, as shown in FIG. 22, the filter 1 includes a dust removal filter 11 bent into a corrugated plate shape and made of a nonwoven fabric such as polypropylene fiber or polyester fiber, and a dust removal filter 11 on one side of the dust removal filter 11. Granular deodorizing filter 12 made of activated carbon or the like filled in the valleys
When a cover 13 made of a breathable sheet is used to prevent the deodorizing filter 12 from falling off, and a conductive sheet 14 provided on one side of the dust removing filter 11, the filter 1 is Due to its flexibility, it is difficult to ensure the connection between the conductor sheet 14 and the ground electrode without compromising the ease of attaching and detaching the filter 1 for cleaning or replacement. . The present invention has been made in view of these points, and its purpose is to provide an electrostatic precipitator air purifier in which the filter can be easily attached and detached, and the conductive sheet and the ground electrode can be easily connected. is to provide.

[Means for Solving the Problems] The present invention provides a flexible filter that includes a conductor sheet and has terminals formed by exposing the conductor sheet on its end face, and a filter that is flexible. The first aspect of the present invention is that the air purifier body includes a contact terminal that is detachably attached and electrically connected to the terminal of the filter, and a pressing means that presses the contact terminal toward the terminal. The filter has the characteristics of: a flexible filter having a conductor sheet and a terminal formed by exposing the conductor sheet on the end face; A second feature is that the air purifier body includes a contact terminal that is electrically connected to the terminal of the air purifier, and a pressing means that engages with the filter and presses the terminal toward the contact terminal. have. [Function] According to the present invention, the contact terminals on the air purifier main body side are pressed toward the terminals on the filter side, or the terminals on the filter side are pressed toward the contact terminals on the air purifier main body side. Therefore, the electrical connection between the contact terminals and the terminals is ensured even though the filter has flexibility. [Example 1] The present invention will be described in detail below based on the illustrated embodiment.
As shown in the figure, a pre-filter 63, a discharge device 4, and a filter 1 are arranged between a suction port 60 on the front side and a motor 61 and a fan 62 arranged on the back side, in order from the front side.
is installed. The pre-filter 63 is for removing large dust particles, and the filter 1 includes a dust-removing filter material 11 and a deodorizing filter material 12. Now, if the fan 62 is driven to suck air through the suction port 60, large dust will be removed by the pre-filter 63.
Thereafter, dust particles in the air are charged by corona discharge between the discharge electrode 41 and the counter electrode plate 42 to which a high voltage of about 6500 cm is applied in the discharge device 4, and the charged particles are grounded in the discharge bag W4 in the filter 1. The air is collected by the dust removal filter material 11 connected to the pole, and then brought into contact with the deodorization filter material 12, and the odor is removed from the air. The filter material 11 of the filter 1 here is the first
As shown in Figures and Figure 2, it is called a fiber filter made of non-woven fabric such as polypropylene fiber or polyester fiber, and is bent into a corrugated plate shape. A conductor sheet 14 is provided. The deodorizing filter material 12 is a granular material made of activated carbon or the like, and is filled in each valley on one side of the dust removing filter material 71, and covered with a cover 13 which is a breathable sheet made of non-woven fabric. The conductive sheet 14 is exposed on the outer surface of a side plate 15 made of a nonwoven fabric surrounding the four circumferences of the filter material 11, thereby forming a terminal 16. The flexible rectangular filter 1 thus formed is set in the air purifier main body 6 via the filter frame 2. As shown in FIGS. 1 and 3, the filter frame 2 consists of a rectangular main body 20 and a contact spring 25 attached to the main body 20, and the main body 20 is integrally formed on one side of the main body 20. In addition to having a crosspiece 21, a handle 23 is provided at the center of the side surface and protrusions 24 at both ends, and the crosspiece 2
A plurality of presser protrusions 29 are provided on the surface opposite to the surface on which 1 is provided. In the figure, reference numeral 22 denotes a reverse insertion prevention protrusion that prevents reverse insertion when inserting and setting the filter frame 2 into the air purifier main body 6. As shown in FIGS. 3 and 4, the contact spring 25 in the filter frame 2 has one end caulked and fixed to the main body 20, and a center portion bent in a dogleg shape formed in a notch provided in the end surface of the main body 20. The contact terminal 27 protrudes laterally from the spring 28 and has a serrated edge on the other end.When the filter frame 2 is set in the air purifier main body 6, the contact spring 25
The connection terminal 26, which is the caulked and fixed part at one end of the
It comes into contact with the ground electrode of the discharge device 4 located on the front side of the filter frame 2. Now, if the filter 1 is fitted into this filter frame 2, the filter 1 will be fixed to the filter frame 2 by being sandwiched between the front and back by the crosspiece 21 and the presser protrusion 29, and the filter 1 will be attached in this way. When the filter frame 2 is slid into the filter storage part 66 of the air purifier main body 6, the side wall of the filter storage part 66 presses the contact spring 25 protruding from the filter frame 2, and the contact terminal 27 is inserted. In order to push inward, the contact terminals 27 bite into the terminals 16 of the filter 1 to establish an electrical connection with the conductive sheet 14 of the filter 1. As shown in FIGS. 6 and 7, while keeping the contact spring 25 from protruding to the side of the filter frame 2,
A pressing protrusion 67 for pressing the contact spring 25 may be provided on the inner side wall of the filter storage portion 66 of the air purifier main body 6. Also, Figures 8 and 9, or Figures 10 and 11
As shown in the figure, an elastic lever 30 is integrally formed by making a cut in the main body 20 of the filter frame 2, and when the filter frame 2 is stored in the filter storage part 66, The lever 30 pushed by the side wall may push the contact spring 25. Another embodiment is shown in FIGS. 12 to 14, in which a pair of locking protrusions 3 are provided on the main body 20 of the filter frame 2, which penetrate through the cover 13 of the filter 1 and are locked to the filter 1.
1.31 is provided, and when the contact spring 25 is pushed by the side wall of the filter storage part 66 and deflects inward, both locking protrusions 3
The contact terminal 27 is designed to contact the filter 1 between 1.31 and 1.31. By restricting the bending of the filter 1 by the contact spring 25 with the locking protrusion 31, the connection between the contact terminal 27 and the terminal 16 can be made more securely. In the embodiment shown in FIGS. 15 and 16, the main body 2
0 is provided with a presser protrusion 32 connected by a thin hinge portion 33, and by fitting this presser protrusion 32 into the valley in the filter material 11 of the filter 1, the filter 1 side is pressed against the contact terminal 27 of the contact spring 25. and contact terminal 2
The reference numeral 35 in the figure is an engagement protrusion that engages with the engagement hole 36 on the presser protrusion 32 side to keep the presser protrusion 32 in a closed state. . The presser protrusion 32 is located not on the filter frame 2 but on the 17th
As shown in FIG. 18 and FIG.
If you insert it into the filter storage part 66, the filter frame 2
The presser protrusion 32 is inserted into the valley of the filter 1 through a notch 37 formed in the filter 1, and presses the terminal 16 toward the contact terminal 27 side. Another embodiment is shown in FIG. This is because, in the embodiment shown in FIG.
1 breaks through the cover 13 of the filter 1 and is located in the deodorizing filter material 12, the second contact terminal 38 is made of activated carbon and is therefore electrically conductive and in contact with the conductor sheet 14. It is designed to come into contact with the deodorizing filter material 12.

【Effect of the invention】

As described above, in the present invention, since the contact terminal on the air purifier main body side is pushed toward the terminal on the filter side,
Or, because the terminals on the filter side are pressed toward the contact terminals on the air purifier body, the electrical connection between the contact terminals and the terminals may become clogged, even though the filter is flexible. The conductive sheet of the filter and the ground electrode of the discharge device are well connected, and therefore charged dust particles can be collected reliably.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a filter and filter frame according to an embodiment of the present invention, FIG. 2 is a partial sectional view of the filter, FIG. 3 is a partial front view of the filter frame, and FIG. 4 is a partial perspective view of the same as above.
Fig. 5 is an explanatory view of the same as the above, Fig. 6 is a perspective view of another example, Fig. 7 is an explanatory view of the same as the above, Fig. 8 is a perspective view of yet another example, Fig. 9 is an explanatory view of the same, and Fig. 10 The figure is a perspective view of another example, FIG. 11 is an explanatory view of the same as above, FIG. 12 is a perspective view of another embodiment, and FIG.
14 is an explanatory diagram of the same as the above, FIG. 15 is a perspective view of another embodiment, FIG. 16 is a sectional view of the same as the above, and FIG.
Figure 7 is a perspective view of another example, Figure 18 is a sectional view of the same, and Figure 19 is a sectional view of the same.
The figure is a perspective view of yet another embodiment, FIGS. 20 and 21 are a cross-sectional view and a horizontal cross-sectional view of the air purifier, and FIG. 22 is an explanatory diagram illustrating the operation of the electrostatic precipitator air purifier. 1, a filter 14 is a conductive sheet, 16 is a terminal, 25 is a contact spring, and 27 is a contact terminal.

Claims (2)

[Claims] (1) A flexible filter that is provided with a conductive sheet and has terminals formed by exposing the conductive sheet on its end face, and this filter is detachably attached and connected to the terminals of the filter. an air purifier body comprising a contact terminal for electrical connection;
1. An electrostatic precipitator air purifier comprising a pressing means for pressing a contact terminal toward the terminal. (2) A flexible filter that is provided with a conductive sheet and has a terminal formed by exposing the conductive sheet on the end face, and this filter is detachably attached and connected to the terminal of the filter. an air purifier body comprising a contact terminal for electrical connection;
1. An electrostatic precipitator air purifier comprising: pressing means that engages with a filter and presses a terminal toward a contact terminal.