JP4507518B2 - Electric dust collection unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electric dust collection unit that is provided in an air flow path of an air conditioner or the like and removes dust or the like contained in air.
[0002]
[Prior art]
Conventionally, an electric air cleaning device provided in an air flow path of an air conditioner is known as this type of electric dust collection unit (see, for example, Patent Document 1).
[0003]
Hereinafter, the electric air cleaning apparatus will be described with reference to FIGS.
[0004]
As shown in the figure, a holding frame 101, a high-voltage power supply unit 102 disposed at an end of the holding frame 101, a high-voltage terminal 103 and a ground terminal 104 from the high-voltage power supply unit 102, A removable filter main body 106 having a contact portion 105 with a ground terminal 104 is provided, and a coil spring 107 or a leaf spring 108 is provided on at least one of the high voltage terminal 103 and the ground terminal 104, and the high voltage power supply unit 102 and the filter are provided. The terminals 103 and 104 having elasticity are arranged on the holding frame 101 so as to protrude from the partition wall 109 with the insertion portion of the main body 106.
[0005]
Further, when the filter main body 106 is sandwiched between the holding frame 101 on the opposite side of the high-voltage power supply unit 102 and the holding wall 110 is provided, and the filter main body 106 is attached, the convex portion 111 provided on the side surface opposite to the contact portion 105. The filter main body 106 is configured to be attached between the partition wall 109 and the wall 110 by engaging with the recess 112 provided on the wall 110 of the holding frame 101.
[0006]
[Patent Document 1]
JP 2003-106552 A ([0016], FIG. 1, FIG. 2, FIG. 4)
[0007]
[Problems to be solved by the invention]
However, in the above conventional configuration, there is a problem that dust is likely to adhere to the high voltage terminal 103 connected to the high voltage power supply unit 102 and there is a risk that the fingers come into contact.
[0008]
In addition, the filter main body 106 is attached between the partition wall 109 and the wall 110. However, when the filter main body 106 is attached or detached, there is a problem that the filter main body 106 is horizontally long and cannot be easily attached or detached. .
[0009]
The present invention solves the above-mentioned conventional problems, can prevent dust from adhering to the high-voltage supply terminal provided in the high-voltage application device, and can improve safety so that fingers do not come in contact, It is an object of the present invention to provide an electric dust collection unit that is easy to attach and detach and eliminates twisting when the filter unit is attached and detached.
[0010]
[Means for Solving the Problems]
In order to solve the above conventional problems, an electric dust collection unit of the present invention includes a horizontally long holding unit provided in an air flow path of an air conditioner, etc., and a high pressure applying device provided at one end of the holding unit, A contact protection part having a substantially reverse concave shape with an open front surface including a high-voltage supply terminal connected to the high-voltage application device and a filter unit attached to the holding unit can be inserted into and removed from the contact protection part. The filter unit is provided with a slide protrusion with a high-voltage receiving terminal to be inserted into the filter unit, and the slide protrusion is inserted from the front opening provided in the contact protector, and the filter unit is slid rearward to connect the high-voltage supply terminal. The holding unit is detachably mounted so as to contact the high-voltage receiving terminal .
[0011]
Further, the holding unit or the high voltage applying device includes a regulation rib provided in parallel with the drawing direction of the filter unit, and a filter unit provided with a groove part into which the regulation rib is inserted, and the groove part provided in the filter unit is filtered. It is formed so as to reach substantially the center of the unit.
[0012]
Further, a locking means that is temporarily locked to the holding unit when the filter unit is pulled out is provided at the opposite end of the filter unit where the high voltage receiving terminal is provided.
[0013]
Further, it is configured to be displaced to the handle provided on the filter unit and the high voltage receiving terminal side.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
The invention according to claim 1 is a horizontally long holding unit provided in an air flow path of an air conditioner, etc., a high voltage applying device provided at one end of the holding unit, and a high pressure supply connected to the high pressure applying device. A slide protrusion with a high-voltage receiving terminal, which includes a contact protection portion having a substantially reverse concave shape with an open front surface including a terminal and a filter unit attached to the holding unit, and is detachably inserted into the contact protection portion. The slide unit is inserted through a front opening provided in the contact protection unit, and the filter unit is slid rearward to bring the high-voltage supply terminal and the high-voltage reception terminal into contact with each other. , with the construction that is removably attached to the holding unit, it prevents the high-voltage supply terminal projects from the opposite concave shape to the outside, the high pressure supply pin contacts It is covered with the protection part and dust does not adhere to the high voltage supply terminal, it can be prevented that dust adheres and contact failure, leakage etc. occur, and it is avoided that fingers touch the high voltage supply terminal, The safety can be improved, and the structure is simple and the cost can be reduced as compared with the case where a high voltage is applied by providing a limit switch or the like.
[0015]
According to a second aspect of the present invention, the holding unit or the high-voltage applying device includes a regulation rib provided in parallel with a drawing direction of the filter unit, and a filter unit provided with a groove portion into which the regulation rib is inserted. By forming the groove provided in the unit so as to reach the substantially central part of the filter unit, when pulling out the filter unit from the holding unit, the groove of the filter unit is substantially parallel between the one end of the holding unit and the high-voltage applying device. Can be moved partway along the regulating rib, and the filter unit can be pulled out without being twisted, and the phenomenon that the filter unit cannot be pulled out and pulled out can be eliminated.
[0016]
According to a third aspect of the present invention, the holding means is provided at the opposite end portion of the filter unit where the high voltage receiving terminal is provided, and is temporarily locked to the holding unit when the filter unit is pulled out. The filter unit is pulled out without being distorted by temporarily locking the other one with a weak coupling force with the locking means so that the high-voltage supply terminal side with the strong coupling force of the filter unit to the unit is removed first. Thus, the filter unit can be easily pulled out.
[0017]
In the invention according to claim 4, by pulling the handle provided on the filter unit toward the high voltage receiving terminal, the pulling output by the handle is strongly applied to the high voltage receiving terminal having a strong coupling force of the filter unit to the holding unit. As a result, the filter unit is pulled out almost at the same time as the other one having a weak binding force, and the filter unit is pulled out without being distorted, and is easily pulled out.
[0018]
Embodiments of the present invention will be described below with reference to the drawings.
[0019]
【Example】
Example 1
As shown in FIG. 1 to FIG. 5, a high voltage applying device 2 is provided at one end of a horizontally long holding unit 1 provided in an air flow path of an air conditioner (not shown) and connected to the high voltage applying device 2. A plate spring-like high-voltage supply terminal 3 is provided in a substantially concave contact protection part 5 having a shape including the high-voltage supply terminal 3 and having a front opening 4, and is inserted into the contact protection part 5 in a detachable manner. A filter unit 8 in which a slide projection 7 with a terminal 6 is detachably fitted to the holding unit 1 is provided. The filter unit 8 is provided with an intake grille 10 provided with a discharge needle 9 connected to the high-pressure receiving terminal 6; A ground electrode 11 and a dust collecting filter 12 are provided on the leeward side of the needle 9, and a handle 13 is provided on the intake grill 10 for attaching and detaching the filter unit 8 to and from the holding unit 1.
[0020]
Further, the high-voltage applying device 2 is provided with restriction ribs 14 parallel to the direction in which the filter unit 8 is drawn, and a groove 15 into which the restriction ribs 14 are inserted is formed so as to reach substantially the center of the filter unit 8. 8 is provided at the opposite end of the high-voltage receiving terminal 6, and an engaging projection 17 is provided on the opposite side of the holding unit 1 where the high-voltage applying device 2 is provided. The engaging protrusion 17 forms a locking means 18 that is temporarily locked to the holding unit 1 when the filter unit 8 is pulled out.
[0021]
In the above configuration, when air flows to the filter unit 8 attached to the air flow path of an air conditioner or the like via the holding unit 1, it is applied to the discharge needle 9 provided on the intake grill 10 via the high-pressure receiving terminal 6. A large electric field is formed in the vicinity of the discharge needle 9 by the negative high voltage and the ground electrode 11, and electrons in the air molecules are separated, or the separated electrons are combined with other air molecules, so that the air Molecules are ionized to become air ions, which are diffused by the force of the electric field and adhere to the dust to charge the dust. The charged dust particles prevent the particles from buffering, and the dust collection provided on the lee side of the ground electrode 11 It is adsorbed by the filter 12 and collected.
[0022]
Then, after removing the dust, when removing the adsorbed dust, the filter unit 8 is pulled out from the holding unit 1 through the handle 13 and removed. At this time, one side of the filter unit 8 is connected to the contact protection part 5 in a substantially reverse concave shape with a front face 4 including an elastic high voltage supply terminal 3 connected to the high voltage application device 2. A slide protrusion 7 with a high-voltage receiving terminal 6 that is removably inserted is provided and coupled to the filter unit 8, and a recess 16 is provided on the other side of the filter unit 8, and an engagement protrusion 17 provided on the holding unit 1 and an elastic engagement The left and right sides of the filter unit 8 are held with substantially the same coupling force by being coupled by the latching means 18 that is temporarily latched together, and the filter unit 8 is operated by the handle 13. After the groove 15 provided in the filter unit 8 is pulled out along the regulating rib 14 provided on the holding unit 1 side and removed, the filter unit 8 is washed with washing water to remove dust. Further, when replacing the dust collecting filter 12, it is removed and replaced by the filter unit 8.
[0023]
Next, when the filter unit 8 that has been cleaned or the dust collection filter 12 has been replaced is attached to the holding unit 1, the slide projection 7 with the receiving terminal 6 provided on one side of the filter unit 8 is attached to the holding unit 1. The groove on the one side of the filter unit 8 is provided on the filter unit 8 by engaging with the opening 4 on the front surface of the contact holding part 5 provided on the side and moving the filter unit 8 on the holding unit 1 side. The high-voltage receiving terminal 6 of the slide projection 7 is elastically engaged with the high-voltage supply terminal 3 in the contact protection part 5 while being engaged with the regulating rib 14 provided on the holding unit 1 side and regulated in the moving direction. On the other side of the filter unit 8, the concave portion 16 of the filter unit 8 is elastically engaged with the engagement protrusion 17 provided on the holding unit 1 side that forms the locking means 18. Coupled Te, the filter unit 8 is mounted on the holding unit 1.
[0024]
As described above, according to the electric dust collection unit of the first embodiment of the present invention, the high voltage application device 2 is provided at one end of the horizontally long holding unit 1 provided in the air flow path of the air conditioner or the like. A contact protection part 5 having a substantially reverse concave shape with a front opening 4 including the connected high-voltage supply terminal 3 is provided, and a filter unit 8 attached to the holding unit 1 is provided so that the contact protection part 5 can be inserted and removed. The slide protrusion 7 provided with the high-voltage receiving terminal 6 to be inserted is provided in the filter unit 8 and is detachably attached to the holding unit 1, so that the high-voltage supply terminal 3 can be removed from the reverse concave shape of the contact protector 5. The high-voltage supply terminal 3 is covered with the contact protector 5 so that dust does not adhere to the high-voltage supply terminal 3, and contact failure due to dust adhesion, electric leakage, etc. can be prevented. Furthermore, it is possible to prevent the fingers from coming into contact with the high-voltage supply terminal 3 and improve safety, and the structure is simple and the cost can be reduced as compared with the case where a high voltage is applied by providing a limit switch or the like.
[0025]
Further, the holding unit 1 or the high-voltage applying device 2 includes a regulation rib 14 provided in parallel with the drawing direction of the filter unit 8 and a filter unit 8 provided with a groove portion 15 into which the regulation rib 14 is inserted. Is formed so as to reach substantially the center of the filter unit 8, so that when the filter unit 8 is pulled out of the holding unit 1, the end of the holding unit 1 and the high-voltage applying device 2 are substantially parallel to each other. In addition, the groove portion 15 of the filter unit 8 can be moved partway along the regulating rib 14, and the filter unit 8 can be pulled out without being twisted, and the phenomenon that the filter unit 8 cannot be pulled out can be eliminated.
[0026]
Further, by providing a locking means 18 that is temporarily locked to the holding unit 1 when the filter unit 8 is pulled out at the opposite end of the filter unit 8 where the high-voltage receiving terminal 6 is provided, Since the filter unit 8 is coupled almost equally to the high-voltage supply terminal 3 side where the coupling force is strong, the coupling force on the anti-high voltage application device side of the holding unit 1 having a weak coupling force is increased, and the anti-high voltage of the holding unit 1 is increased. It is possible to prevent the filter unit 8 side coupled to the application device side from coming off first and twisting it out, making it difficult to pull out the filter unit 8.
[0027]
In the first embodiment, the restriction rib 14 is provided in the high voltage application device 2. However, it goes without saying that the same effect can be obtained even if the restriction rib 14 is provided in the holding unit 1.
[0028]
(Example 2)
As shown in FIG. 6, the handle 13A provided in the filter unit 8A is displaced to the high voltage receiving terminal 6A side.
[0029]
In the above configuration, the slide protrusion 7A provided with the high voltage receiving terminal 6A is engaged with the high voltage receiving terminal 6A so as to engage with the contact protection portion provided in the high voltage applying device provided in the holding unit (not shown). By being electrically connected and coupled to the high voltage supply terminal to be connected, the high voltage receiving terminal 6A side has a strong coupling force. When the handle 13A is provided at the center of the filter unit 8A, The anti-high voltage application device side with a weak coupling force moves first and becomes twisted, but the force to be pulled out by the handle 13A by shifting the handle 13A provided on the filter unit 8A toward the high voltage receiving terminal 6A side with a strong coupling force. Is greatly added to the high-voltage receiving terminal 6A side and is first pulled out, and accordingly, the anti-high-voltage receiving terminal side is not pulled out and twisted.
[0030]
As described above, according to the electric dust collection unit of the second embodiment of the present invention, the handle 13A provided in the filter unit 8A is displaced toward the high-voltage receiving terminal 6A, so that the pulling output by the handle 13A is a filter for the holding unit. The unit 8A is strongly applied to the high-voltage receiving terminal 6A side having a strong coupling force, and is pulled out almost simultaneously with the other one having a weak coupling force, and the filter unit 8A is pulled out without being distorted, and can be easily pulled out.
[0031]
【The invention's effect】
As is clear from the above embodiments, according to the present invention, a horizontally long holding unit provided in an air flow path of an air conditioner or the like, a high-pressure applying device provided at one end of the holding unit, and the high-pressure applying device A high-pressure contact terminal including a high-voltage supply terminal connected to a substantially reverse-concave contact protection part having an open front surface and a filter unit attached to the holding unit, and detachably fitted into the contact protection part. The filter unit is provided with a slide projection with a receiving terminal, and it is configured to be detachably attached to the holding unit. This prevents dust from adhering to the high-voltage supply terminal and prevents contact failure and leakage. In addition, it is possible to prevent fingers from coming into contact with the high-voltage supply terminal, which can improve safety, and compared to the case where a high voltage is applied by providing a limit switch etc. Concrete can provide electrical dust collection unit capable of achieving a simple and cost.
[0032]
Further, the holding unit or the high voltage applying device includes a regulation rib provided in parallel with the drawing direction of the filter unit, and a filter unit provided with a groove part into which the regulation rib is inserted, and the groove part provided in the filter unit is a filter. Since it is formed so as to reach substantially the center of the unit, the phenomenon that the filter unit cannot be pulled out and pulled out can be prevented.
[0033]
In addition, the opposite end provided on the high-voltage receiving terminal of the filter unit is provided with a locking means that is temporarily locked to the holding unit when the filter unit is pulled out. The coupling force is increased and becomes substantially equal to the coupling force on the high-voltage receiving terminal side, so that the filter unit can be pulled out without being distorted.
[0034]
In addition, because the handle provided on the filter unit is displaced to the high-voltage receiving terminal side, the pulling output by the handle is strongly applied to the high-voltage receiving terminal side with a strong coupling force, and is pulled out almost simultaneously with the other with a weak coupling force. The twisting is prevented and the drawer becomes easy.
[Brief description of the drawings]
FIG. 1A is a perspective view of a high-pressure application device in which the electrostatic dust collection unit of Embodiment 1 of the present invention is partially cut. FIG. 1B is a front view of the end of the filter unit. Fig. 2 is a cross-sectional view of the main part showing the inserted state. Fig. 2 is a front view of the holding unit of the electric dust collecting unit. Fig. 3 is a side view of the electric dust collecting unit. FIG. 5 is a front view showing a filter unit of the electric dust collection unit. FIG. 6 is a front view of the filter unit of the electric dust collection unit according to the second embodiment of the present invention. FIG. 8 is a front view of the electric air cleaning apparatus. FIG. 9 is a side view of the electric air cleaning apparatus. FIG. 9 is a perspective view of a filter body of the electric air cleaning apparatus.
DESCRIPTION OF SYMBOLS 1 Holding unit 2 High voltage application apparatus 3 High voltage supply terminal 4 Opening 5 Contact protection part 6 High voltage receiving terminal 6A High voltage receiving terminal 7 Slide protrusion 8 Filter unit 8A Filter unit 13 Handle 13A Handle 14 Restriction rib 15 Groove part 18 Locking means

Claims (4)

A horizontally long holding unit provided in an air flow path such as an air conditioner;
A high-voltage applying device provided at one end of the holding unit;
A substantially reverse-concave contact protection part with an open front surface including a high-voltage supply terminal connected to the high-voltage application device;
A filter unit attached to the holding unit;
The filter unit is provided with a slide protrusion with a high-voltage receiving terminal that is removably inserted into the contact protection part,
The slide protrusion is inserted from the opening on the front surface provided in the contact protection part, and the filter unit is slid rearward so that the high-voltage supply terminal and the high-voltage receiving terminal are brought into contact with each other.
An electric dust collection unit configured to be detachably attached to the holding unit.   The holding unit or the high voltage applying device includes a regulation rib provided in parallel with the drawing direction of the filter unit, and a filter unit provided with a groove portion into which the regulation rib is inserted. The electric dust collection unit according to claim 1, wherein the electrostatic dust collection unit is formed so as to reach substantially the center.   3. The electrostatic dust collecting unit according to claim 2, wherein a locking means that is temporarily locked to the holding unit when the filter unit is pulled out is provided at the opposite end of the filter unit where the high voltage receiving terminal is provided.   The electric dust collection unit according to claim 1, wherein a handle provided in the filter unit is displaced toward the high-pressure receiving terminal.

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