JPH08309131A - Apparatus for cleaning filter - Google Patents

Abstract

PURPOSE: To provide an apparatus for cleaning a filter in which a plate-shaped filter is set in a fixed state, a nozzle part is moved while a cleaning liquid being injected to disperse the liquid over the whole filter, and the filter can be cleaned efficiently without being damaged. CONSTITUTION: An apparatus 1 for cleaning a filter for cleaning a plate-shaped filter F which is used in air-conditioning equipment, kitchen equipment, etc., is equipped with a filter holding means for holding the filter F horizontally, a cleaning water ejection means 2 which is placed above the filter F and has a nozzle part 2b with more than one nozzle 2a for ejecting cleaning water to the filter F, and a reciprocation means 3 for reciprocating the nozzle part 2b back and forth of the filter F.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a filter cleaning device for cleaning plate filters used in air conditioners, air conditioners, kitchen appliances and the like, and particularly to a plate filter arranged in a fixed state. The present invention relates to a filter cleaning device capable of efficiently cleaning a plate filter by spraying cleaning water in a spray form and ejecting the cleaning water over the entire plate filter.

[0002]

2. Description of the Related Art Conventionally, as a device for cleaning a plate-shaped filter of an air conditioner or the like, for example, an actual Kaihei 2-100681
There is a cleaning device proposed in the publication. As shown in FIGS. 6 and 7, this conventional cleaning device has a housing a
The cylindrical shaft d is vertically mounted integrally with the distal end of the rotary drive shaft c of the vertically installed drive motor b,
A support body f having a circular ring shape in plan view is attached to the tips of a plurality of support plates e radially attached outward from the cylindrical axis d, and the inner peripheral surface of the support body f faces the cylindrical axis e. A plurality of mounting protrusions i and j having supporting recesses g and h are fixed to the respective positions, and both end portions of the plate filter k are attached to the supporting recesses g and h of these mounting protrusions i and j. It is detachably fitted to support the plate filter k, and the housing a
The side wall m on one side has a structure in which a pipe p having a nozzle n for ejecting the cleaning liquid toward the central portion of the housing a is arranged.

When the plate filter k is washed, the drive motor b is driven to rotationally drive the rotary drive shaft c, and the tubular shaft d and the support body f are integrally rotated together with the rotary drive shaft c for mounting. While rotating the plate-shaped filter k fitted in the supporting recesses g and h of the protrusions i and j in the circumferential direction, the cleaning liquid is directly ejected from the plurality of nozzles n of the pipe p toward the plate-shaped filter k. To do.

[0004]

However, in the above-mentioned conventional cleaning device, the cleaning liquid is directly ejected from the nozzle n of the pipe p to the plate-shaped filter k which is rotated by the centrifugal force. Since the cleaning liquid is directly applied to the k to perform cleaning, there is a problem that the cleaning liquid intensively hits a specific portion of the plate filter k and is broken.

The present invention has been made in view of the above-mentioned problems of the prior art. The plate filter is installed in a fixed state, and the nozzle portion is moved while spraying the cleaning liquid to remove the plate filter. An object of the present invention is to provide a filter cleaning device that can spray a cleaning liquid dispersively over the entire surface and can efficiently clean the plate-shaped filter without damaging it.

[0006]

The present invention has been proposed in order to achieve the above object, and the filter cleaning device according to claim 1 is a plate used for an air conditioner, an air conditioner, a kitchen appliance and the like. A filter washing device for washing a flat filter, the filter holding means for holding the flat filter horizontally, and the filter holding device installed above the horizontally held flat filter and washing toward the flat filter. A structure provided with a cleaning water jetting means having a nozzle portion provided with a plurality of jetting ports for jetting water, and a reciprocating means for reciprocating the nozzle portion in the front-back direction of the plate filter. Has become.

According to another aspect of the filter cleaning device of the present invention, the reciprocating means is screwed into a through-screw hole formed in the nozzle portion and is installed above the plate filter so as to be rotatable in the front-rear direction. And a rotation driving means for rotating the screw bolt forward and backward, and a moving guide means for guiding and moving the nozzle portion in the front-rear direction while the nozzle portion is held horizontally.

According to a third aspect of the present invention, in the filter cleaning device, when the nozzle portion is moved to the front and rear movement end positions, the nozzle portion is detected and the rotation driving means is driven to rotate forward / reversely. The structure is provided with two front and rear nozzle position detection means for reciprocating the nozzle portion in the front-rear direction by the screw bolt that is rotated forward and backward.

According to a fourth aspect of the present invention, in the filter cleaning device, the reciprocating means is meshed with a rack installed in the front-rear direction, the rack is meshed with the rack through rotary drive means, and the rotary drive is provided. The pinion is configured to rotate by the rotational drive of the means and move back and forth along the rack to move the nozzle part back and forth.

A filter cleaning device according to a fifth aspect is a filter cleaning device for cleaning a plate filter used in an air conditioner, an air conditioner, a kitchen device or the like, and a filter for holding the plate filter horizontally. A holding means and a washing water jetting means having a nozzle portion which is installed above the plate filter held horizontally and which has at least one jet port for jetting washing water toward the plate filter; The structure is provided with a front-rear moving means for reciprocating in the front-rear direction while holding the nozzle part horizontally, and a left-right moving means for reciprocating the nozzle part in the left-right direction when moving back and forth.

According to a sixth aspect of the present invention, in the filter cleaning device, the front-rear moving means has a pair of left and right pulleys respectively arranged at front and rear positions of a moving track of the nozzle portion, and an endless belt hung between the front and rear pulleys. An endless chain, the left and right moving means is rotatably supported by a supporting portion provided on a part of the endless belt or the endless chain, and is installed in the left and right direction, and a penetrating hole formed in the nozzle portion. With a screw bolt screwed into the screw hole, a pinion gear fixed near the end of this screw bolt, a gear toothed pulley arranged at the front and rear positions of the movement trajectory of the nozzle, and a gear tooth with these front and rear gear teeth. An endless belt with inward rack teeth, which is installed between pulleys and meshes with the pinion gear, and is used to drive the front-rear moving means, and the left pulley. A gear toothed pulley for driving the moving means has a structure that is rotationally driven respectively disposed separately rotary drive means.

The filter cleaning device according to a seventh aspect of the present invention has a structure in which a drying air ejecting means is additionally provided in the vicinity of the cleaning water ejecting means. 9. The filter cleaning device according to claim 8, wherein the filter holding means is a filter tray for horizontally mounting and holding a plate-shaped filter, and the filter tray is protruded forward from the main body of the device when the plate-shaped filter is mounted and cleaned. The structure is provided with a transfer unit that is sometimes moved to a cleaning unit in the apparatus main body.

[0013]

According to the filter cleaning device of the first aspect, the plate-shaped filter is held horizontally by the filter holding means, and in this state, the cleaning water injection means is operated and the reciprocating means is operated to operate the cleaning water. The nozzle portion is reciprocally moved in the front-back direction of the plate filter while jetting the cleaning water from the plurality of injection ports of the nozzle portion of the injection unit to the plate filter.

As a result, the cleaning liquid can be dispersedly jetted over the entire plate filter, and the plate filter can be efficiently cleaned without being damaged. Furthermore, the plate filter can be automatically washed. According to the filter cleaning device of the second aspect, when the rotation driving means is driven, the screw bolt is rotationally driven, and the nozzle portion in which the through screw hole is screwed into the screw bolt is moved to either the front or rear. At this time, the nozzle portion is guided by the movement guide means, and is moved while ejecting the cleaning liquid from the plurality of ejection ports toward the plate filter.

In this way, when the nozzle portion is moved in either the front or rear direction and is moved to either the front or rear end portion of the plate-shaped filter, the rotation driving means is driven in the opposite direction and the screw bolt is reversed. It is driven to rotate, and the nozzle portion is moved to the other of the front and rear. Therefore, the entire plate filter is accurately cleaned with the cleaning liquid sprayed from the plurality of spray ports of the nozzle portion.

As described above, since the screw bolt is used as the reciprocating means for moving the nozzle part in the front-rear direction, the structure can be simplified and the nozzle part can be accurately moved in the front-rear direction. be able to. Claim 3
According to the above filter cleaning device, the front and rear nozzle position detecting means controls the movement of the nozzle portion in the front-rear direction to the front and rear end portions of the plate-like filter. The plate-shaped filter can be accurately cleaned by the sprayed cleaning liquid, and the cleaning liquid is not sprayed to a portion outside the plate-shaped filter, so that the waste of the cleaning liquid can be reduced.

According to the filter cleaning device of claim 4,
Since the reciprocating means is composed of the rack, the pinion, and the rotary driving means for rotationally driving the pinion, the structure is simple and the nozzle part can be accurately moved in the front-back direction. According to the filter cleaning apparatus of claim 5, while the plate-shaped filter is held horizontally by the filter holding means, the nozzle portion is moved in the left-right direction by the left-right movement means while moving the nozzle portion in the front-back direction by the front-back movement means. Then, the cleaning liquid is ejected from the ejection port of the nozzle portion toward the plate-shaped filter, so that the plate-shaped filter is accurately cleaned throughout.

Therefore, since the cleaning liquid is not concentrated and sprayed only on a specific portion of the plate filter,
The plate filter can be efficiently washed without damaging it. Furthermore, the plate filter can be automatically washed. According to the filter cleaning device of claim 6, when the respective pulleys are rotationally driven, the endless belt or the endless chain is transferred, and the screw bolts supported by the support portion provided on a part of the endless belt or the endless chain. Is moved in the front-rear direction, the nozzle portion having a through screw hole screwed into the screw bolt is moved back and forth accordingly, and the endless belt with rack teeth is driven by driving the endless belt with inward rack teeth. The pinion gear meshed with is rotated, the screw bolt to which the pinion gear is fixed is rotated, and the nozzle portion is moved in the left-right direction through the through screw hole.

As described above, since the nozzle portion is moved in the front-rear direction and is also moved in the left-right direction at the same time,
The plate filter is cleaned more accurately throughout. According to the filter washing apparatus of claim 7, since the drying air jetting means is provided in the vicinity of the washing water jetting means, the plate-shaped filter by the washing water from the jet port of the nozzle portion of the washing water jetting means After the cleaning is completed, the drying filter can be dried by blowing the drying air toward the plate filter by the drying air blowing means.

Like the cleaning liquid ejecting means, the drying air ejecting means ejects the drying air toward the plate filter after cleaning while being moved in the front-rear direction or in the front-rear direction and the left-right direction. The whole of can be dried well. According to the filter cleaning apparatus of claim 8, the plate tray is placed and held on the filter tray in a state where the filter tray is projected forward by the operation of the transfer means, and then the filter tray is operated by the operation of the transfer means. Is moved to the washing section in the main body of the apparatus, and the plate filter is washed by jetting washing water by the washing liquid jetting means, and after washing, the plate filter is dried by jetting drying air by the drying air jetting means. To do.

As described above, the movement of the plate filter to the cleaning section in the apparatus main body can be automatically performed by the operation of the transfer means.

[0022]

Embodiments of the filter cleaning apparatus according to the present invention will be described below with reference to the drawings. First, the first
Example filter cleaning device (claims 1, 2, 3, 8)
Will be described with reference to FIGS. 1 to 3.

FIG. 1 shows a filter cleaning device 1 according to the first embodiment.
2 shows a portion in which the cleaning water jetting means 2 and the reciprocating means 3 are arranged. FIG. 2 shows a state immediately before placing the plate filter F on the filter holding means 4,
In FIG. 3, the plate-shaped filter F is placed on the filter holding means 4, and the plate-shaped filter F is installed in the cleaning section in the apparatus main body (not shown).
Shows a state in which is moved.

The filter cleaning device 1 of the first embodiment is installed above the plate holding means 4 for holding the plate-shaped filter F horizontally and the plate-shaped filter F held horizontally. Cleaning water jetting means 2 having a nozzle portion 2b provided with a plurality of jetting ports 2a for jetting the washing water toward the nozzle, and the nozzle portion 2b having a plate filter F.
Reciprocating means 3 for reciprocating in the front-back direction of
It has a structure with.

The reciprocating means 3 includes a screw bolt 3a which is screwed into a through screw hole 2c formed in the nozzle portion 2b and is installed above the plate filter F so as to be rotatable in the front-rear direction, and a screw bolt 3b. Rotational drive means 3f consisting of a drive motor 3c for forward and reverse rotation and a pair of reduction gears 3d and 3e, and a pair of left and right guide rods 3g for guiding and moving the nozzle portion 2b in the front-rear direction in a horizontal state. , 3g of moving guide means 3h.

Further, when the nozzle portion 2b has moved to the front and rear movement end positions, the nozzle portion 2b is detected, and the rotation driving means 3f is driven to rotate forward / reversely, and in accordance therewith, it is rotated forward / reversely. The structure is provided with nozzle position detecting means 5 and 5 including two front and rear reflection type optical sensors for reciprocating the nozzle portion 2b in the front-rear direction by the screw bolt 3b. The nozzle position detecting means 5 is not limited to the reflection type light sensor, but may be a limit switch or the like.

The nozzle portion 2b is provided with a plurality of injection ports 2a provided at regular intervals in the left-right direction on the lower side of the main body portion 2e having a long tubular shape arranged in the left-right direction. The main body portion 2e is fixed in a suspended state to a vertical plate-shaped moving portion 2f having a through screw hole 2c formed therein. A tip end portion of a pipe 2g, which is connected to a cleaning liquid supply device (not shown), is attached to the long tubular main body portion 2e of the nozzle portion 2b in a communication state.

The screw bolt 3b is rotatably supported at its front and rear end portions via support members such as bearings, which are rotatably supported by support plates 6 and 6 fixedly provided on the upper portion of the apparatus main body. The guide rods 3g and 3g are
Both front and rear ends thereof are supported by the support plates 6 and 6 in a fixed state. The filter holding means 4 includes a filter tray 4a for horizontally mounting and holding the plate-shaped filter F, and a filter tray 4a protruding forward from the apparatus main body when the plate-shaped filter is mounted, and a cleaning unit in the apparatus main body during cleaning. It is composed of a transfer means 4b for moving to.

The transfer means 4b are arranged on both the left and right sides of the cleaning section of the apparatus main body, and have a pair of rails 4c having an L-shaped cross section for supporting the filter tray 4a so that the filter tray 4a can be moved back and forth.
4d, an endless belt 4e (which may be an endless chain) disposed near the outside of one rail (front side in the drawing) of the rail 4c, and a small block shape fixed to a part of the endless belt 4e. Of the filter tray 4a and one end of which is fixed to the support portion 4f, and the other end of which penetrates through the guide elongated hole 4g formed in the rail 4c in the longitudinal direction (front-back direction) so as to be movable back and forth. A connecting rod 4h fixed to a position near the end, a pair of front and rear pulleys 4i and 4j around which an endless belt 4e is bridged, and a drive side pulley 4i are driven in forward and reverse rotations through a pair of reduction gears 4k and 4m. Drive motor 4
n and.

In the filter tray 4a, an opening 4p having a size slightly smaller than the length and width of the plate filter F is formed at the place where the plate filter F is placed, and the net member 4q is formed in this opening 4p. Is attached, and a positioning member 4r that determines the mounting position of the plate-shaped filter F is fixed to a portion near the rear end of the opening. Next, the operation of the filter cleaning apparatus 1 of the first embodiment having the above-described structure when cleaning the filter F will be described.

First, as shown in FIG. 2, the plate filter F is placed and set on the upper surface of the edge of the opening 4p of the filter tray 4a of the filter holding means 4. At this time, the positioning member 4r is provided on the upper surface of the filter tray 4a.
, The plate-shaped filter F is accurately placed at a predetermined position. When the plate-shaped filter F is placed and set on the upper surface of the filter tray 4a and the drive motor 4n is driven as shown in FIG. 3, the endless belt 4e is transferred between the pair of front and rear pulleys 4i and 4j. Support part 4
The filter tray 4a is automatically moved to the cleaning section in the apparatus main body via f and the connecting rod 4h.

In this state, when the drive motor 3c of the reciprocating means 3 shown in FIG. 1 is driven, the pair of reduction gears 3d, 3
The screw bolt 3a is rotationally driven via e, and the nozzle portion 2b in which the through screw hole 2c is screwed into the screw bolt 3a is moved above the plate filter F to either the front side or the rear side. At this time, a washing water supply device (not shown) is operated, the washing water is pressure-fed to the nozzle portion 2b via the pipe 2g, and the washing water is discharged from the plurality of injection ports 2a of the nozzle portion 2b toward the plate filter F. Is jetted.

While the nozzle portion 2b is moved to either the front or the back, the cleaning water is jetted from the jet port 2a toward the plate filter F, so that the plate filter F is fixed on the upper surface of the filter tray 4a. One of the front and rear sides is washed in this state. When the nozzle portion 2b is moved to either the front or rear end position, the nozzle position detecting means 5
The nozzle portion 2b is detected by the driving means, the drive motor 3c is driven in the opposite direction when the nozzle portion 2b is detected, the screw bolt 3a is rotated in the opposite direction, and the nozzle portion 2b is moved to the front or rear side. It

Even during this movement, the washing water is jetted toward the plate filter F from the plurality of jet ports 2a of the nozzle portion 2b, so that the entire plate filter F is washed with the washing water. . Therefore, by installing the plate-shaped filter F in a fixed state and moving the nozzle portion 2b while spraying the cleaning liquid, the cleaning liquid can be dispersedly sprayed over the entire plate-shaped filter F. It can be efficiently washed without damaging the filter F.

Next, the filter cleaning device 1 of the second embodiment
A (claim 4) will be described with reference to FIG.
In the filter cleaning device 1A of the second embodiment, as shown in FIG. 4, the reciprocating means 3A has a rack 3i installed in the front-rear direction and the nozzle portion 2 meshed with the rack 3i.
and a pinion 3k for moving back and forth along the rack 3i to move the nozzle portion 2h back and forth. The pinion 3k is connected to h through rotation driving means 3j and is rotated by the rotation driving of the rotation driving means 3j. .

The pinion 3k is provided in the nozzle portion 2h, supports the long tubular main body 2e in a suspended state, and has a pair of left and right guide rods 2i laid across the front and rear of the apparatus main body.
The drive motor 2k installed on the base plate 2j that is guided and supported by the left and right sides of the 2i is normally and reversely rotated through a pair of reduction gears 2m and 2n by the forward and reverse drive.

Shaft 2p of reduction gear 2n on the side of pinion 3k
Is the support plates 2q, 2q that are placed on the base plate 2j in opposite directions.
It is rotatably supported by the pinion 3k at its tip.
Is installed. The structure of the other portion of the nozzle portion 2h is the same as that of the nozzle portion 2 of the filter cleaning device 1 of the first embodiment.
Since the structure is almost the same as that of b, the same reference numerals are given and the description thereof is omitted.

Here, also in the filter cleaning device 1A of the second embodiment, the same filter holding means 4 as the filter holding means 4 of the filter cleaning device 1 of the first embodiment shown in FIGS. 2 and 3 is used. It shall be. Next, the cleaning action of the plate filter F by the nozzle portion 2h in the filter cleaning device 1A of the second embodiment will be described.

The plate filter F is mounted and held on the filter holding means 4 in the same manner as in the first embodiment. When the drive motor 2k is driven in this state, the pair of reduction gears 2
The pinion 3k is rotationally driven via m and 2n. While rotating, the pinion 3k is moved forward or backward along the rack 3i, and accordingly, the entire nozzle portion 2h is moved forward or backward by being guided by the pair of left and right guide rods 2i, 2i. It

At the time of this movement, washing water is jetted toward the plate-shaped filter F from a plurality of jet ports 2a provided in the long cylindrical main body 2e of the nozzle 2h, and the plate-shaped filter is washed. When the drive motor 2k is driven in reverse, the pinion 3
k is driven to rotate in the reverse direction and is moved to the other of the front and rear along the rack 3i, and accordingly, the entire nozzle portion 2h is moved to the other of the front and rear by being guided by the pair of left and right guide rods 2i, 2i. The cleaning water is jetted from the nozzle portion 2h toward the plate filter F.

As a result, the plate-shaped filter F is cleaned over the whole. Therefore, by installing the plate-shaped filter F in a fixed state and moving the nozzle portion 2b while spraying the cleaning liquid, the cleaning liquid can be dispersedly sprayed over the entire plate-shaped filter F. It can be efficiently washed without damaging the filter F.

Next, the filter cleaning apparatus 1 of the third embodiment
B (claims 5, 6, and 7) will be described with reference to FIG. The filter cleaning device 1B of the third embodiment is
The filter holding means 4 for horizontally holding the plate filter F (see FIGS. 2 and 3) is installed above the plate filter F held horizontally, and washing water is directed toward the plate filter F. At least one jet 2 for jetting
Cleaning water jetting means 2B having a nozzle portion 2s provided with r
And a front-rear moving means 7 for reciprocating in the front-rear direction while horizontally holding the nozzle portion 2s, and a left-right moving means 8 for reciprocating the nozzle portion 2s in the left-right direction during the front-rear movement. Has become.

The front-rear moving means 7 is arranged at the front-rear position of the movement track of the nozzle portion 2s, and is mounted between the pair of left and right pulleys 7a, 7b connected by the long shafts 7s, 7t, and between the front and rear pulleys 7a, 7b. The passed endless belt 7c,
7d (which may be an endless chain), the left and right moving means 8 is rotatably supported by the supporting portions 9 and 9 provided on a part of the endless belts 7c and 7d, and is installed in the left-right direction. A screw bolt 8a screwed into a through screw hole 2t formed in the nozzle portion 2s, and a pinion gear 8b fixed near the end of the screw bolt 8;
An endless belt 8e with gear teeth and pulleys 8c and 8d arranged at the front and rear positions of the movement path of the nozzle portion 2s, and an inward rack toothed belt 8e that is installed between the front and rear pulleys 8c and 8d with gear teeth and meshes with the pinion gear 8b. The drive pulley 7a for driving the front-rear moving means 7 and the gear toothed pulley 8c for driving the left-right moving means 8 are rotationally driven by rotational driving means 7f, 8f arranged separately. It has a structure.

These rotation driving means 7f and 8f are composed of drive motors 7g and 8g and a pair of reduction gears 7h and 7i, respectively.
8h and 8i. In the filter cleaning device 1B of the third embodiment, a drying air jetting means 10 is attached in the vicinity of the washing water jetting means 2B. In FIG. 5, reference numeral 11 is a cleaning water pipe for pumping the cleaning water from the cleaning water supply device (not shown) to the cleaning water jetting means 2B, and reference numeral 12 is a dry air supply device (not shown). It is a drying air pipe for sending the drying air to the drying air jetting means 10 under pressure.

Further, reference numerals 13a and 13b are front and rear nozzle position detecting means composed of a reflection type optical sensor for detecting the nozzle portion 2s moved in the front and rear direction by the front and rear moving means 7 at the front and rear end positions of the cleaning. 14a and 14b are
The left and right nozzle position detecting means is a reflection type optical sensor that detects the nozzle portion 2s that is moved in the left-right direction by the rotational driving of the screw bolt 8a at the cleaning left and right end positions.

These nozzle position detecting means 13a,
The 13b, 14a, and 14b are not limited to the reflection type light sensor, and for example, limit switches may be used. Also, in the filter cleaning device 1B of the third embodiment,
The filter holding means 4 uses the filter holding means 4 of the filter cleaning device 1 of the first embodiment.

Next, the filter cleaning apparatus 1 of the third embodiment
The cleaning action of the plate filter by B will be described.
First, when the two drive motors 7g and 8g are driven, respectively, through a pair of reduction gears 7h, 7i, 8h and 8i,
The drive side pulley 7a and the gear toothed pulley 8c are rotationally driven, and the pair of left and right endless belts 7c and 7d and the rack toothed endless belt 8e are transferred and driven.

The nozzle portion 2 is driven through the screw bolt 8a by the transfer drive of the pair of left and right endless belts 7c and 7d.
s is moved in either the front-rear direction, the screw bolt 8a is rotated by the transfer drive of the endless belt 8 with rack teeth, and the nozzle portion 2s in which the through screw hole 2t is screwed into the screw bolt 8a is located on either side. Moved to one side.

During the movement of the nozzle portion 2s, the nozzle portion 2
Cleaning water is jetted from the jet port 2r of s toward the plate-shaped filter F, and either one side of the plate-shaped filter F in the front-rear direction and one side of the left-right direction is cleaned. When the nozzle part 2s is moved to either one of the front and rear cleaning end positions, the nozzle position detecting means 13a or 13b detects the nozzle part 2s, the drive motor 7g is driven in the reverse direction, and the nozzle part 2s is moved in the front and rear direction. It is moved to the other side.

When the nozzle portion 2s is moved to either the left or right cleaning end position, the nozzle portion detecting means 14a or 14b detects the nozzle portion 2s,
The drive motor 8g is driven in the reverse direction, and the nozzle portion 2s is moved to the other side in the left-right direction. According to the filter cleaning apparatus 1B of the third embodiment, the nozzle portion 2s is moved left and right while being moved back and forth, and the nozzle portion 2s is moved during this movement.
Since the cleaning water is sprayed toward the plate-shaped filter F from the spray port 2r of s, the plate-shaped filter F placed in a fixed state is surely cleaned over the whole.

Further, in the third embodiment, the cleaning water jetting means 2
Since the drying air ejecting means 10 is provided in the vicinity of B, the plate filter F is dried after the plate filter F is washed by ejecting the drying air from the drying air ejecting means 10. Moreover, since the drying air jetting means 10 also jets the drying air while moving in the front-rear direction and the left-right direction,
The plate filter F is well dried over the entire surface.

[0052]

As described above, according to the present invention,
While the plate filter is held horizontally by the filter holding means, the nozzle part can be moved in the front-rear direction and the cleaning water can be sprayed over the entire plate filter, so the entire plate filter should be washed well. Therefore, the plate-shaped filter can be efficiently washed without damaging it (claims 1, 2, 3, 4).

Further, in the case where the nozzle portion is moved in the front-rear direction and the left-right direction at the same time, the whole of the plate filter can be washed more favorably by the washing water ejected from the nozzle portion (claims 5 and 6). ). Further, in the case where the drying air jetting means is attached in the vicinity of the washing water jetting means, after washing the plate filter, the drying air jetting means blows dry air over the entire plate filter. And can be dried well (claim 7).

Further, the filter holding means is provided with a filter tray and a transfer means for projecting the filter tray forward from the apparatus main body when the plate filter is placed and moving it to the cleaning section in the apparatus main body during cleaning. The plate tray can be placed on this filter tray with the filter tray protruding from the main body of the device, and then the transfer tray can automatically move the filter tray to the cleaning section in the main body of the device. Since the set can be done easily and the plate filter before cleaning can be set in the cleaning part and the plate filter after cleaning can be automatically taken out from the cleaning part, labor saving can be achieved. (Claim 8).

[Brief description of drawings]

FIG. 1 is a perspective view showing a nozzle unit and a nozzle unit moving mechanism of a first embodiment of a filter cleaning apparatus according to the present invention.

FIG. 2 is a perspective view showing a state immediately before holding a plate filter in a filter holding means.

FIG. 3 is a perspective view showing a state in which a plate-shaped filter is held by a filter holding means for cleaning.

FIG. 4 is a perspective view showing a nozzle portion and a moving mechanism of the nozzle portion in the filter cleaning apparatus of the second embodiment.

FIG. 5 is a perspective view showing a nozzle portion and a moving mechanism of the nozzle portion in the filter cleaning apparatus of the third embodiment.

FIG. 6 is a vertical cross-sectional view of a conventional filter cleaning device.

FIG. 7 is a schematic plan view of a conventional filter cleaning device.

[Explanation of symbols]

 F Plate filter 1, 1A, 1B Filter cleaning device 2, 2B Cleaning liquid jetting means 2a Jet port 2b Nozzle part 2c Through screw hole 2r Jet port 2s Nozzle part 2t Through screw hole 3 Reciprocating moving device 3a Screw bolt 3f Rotation driving device 3h Moving guide means 3i Rack 3j Rotation driving means 3k Pinion 4 Filter holding means 4a Filter tray 4b Transfer means 5 Nozzle position detecting means 7 Front-rear moving means 7a, 7b Pulleys 7c, 7d Endless belt 7f Rotation driving means 8 Left-right moving means 8a Screw bolt 8b Pinion gears 8c, 8d Gear toothed pulley 8e Inward rack toothed endless belt 8f Rotational drive means 9 Support portion 10 Drying air jetting means 13a, 13b Nozzle position detecting means 14a, 14b Nozzle position detecting means

Claims (8)

[Claims] 1. A filter cleaning device for cleaning a plate filter used for an air conditioner, an air conditioner, a kitchen device, etc., which comprises a filter holding means for holding the plate filter horizontally, and a filter holding means for holding the plate filter horizontally. Installed above the plate-shaped filter, the cleaning water spraying means having a nozzle part provided with a plurality of spray ports for spraying the cleaning water toward the plate-shaped filter, and the nozzle part before and after the plate-shaped filter. A filter cleaning device having a structure including reciprocating means for reciprocating in a direction. 2. The reciprocating means is screwed into a through-screw hole formed in the nozzle portion and erected above the plate filter so as to be rotatable in the front-rear direction. The filter cleaning device according to claim 1, further comprising: a rotation driving unit that reversely rotates, and a moving guide unit that guides and moves the nozzle unit in a front-rear direction while horizontally holding the nozzle unit. apparatus. 3. When the nozzle portion has moved to the front and rear movement end positions, the nozzle portion is detected, and the rotation driving means is driven to rotate forward / reversely. The filter cleaning device according to claim 2, wherein the nozzle cleaning device is provided with two front and rear nozzle position detecting means for reciprocating the nozzle part in the front-rear direction by a screw bolt. 4. The reciprocating means is engaged with a rack erected in the front-rear direction, is meshed with the rack, is connected to the nozzle portion via a rotation driving means, and is rotated by the rotation driving of the rotation driving means. The filter cleaning device according to claim 1, further comprising: a pinion for moving back and forth along the rack to move the nozzle portion back and forth. 5. A filter cleaning device for cleaning a plate filter used in an air conditioner, an air conditioner, a kitchen device, etc., which comprises a filter holding means for horizontally holding the plate filter and a horizontal holding device. Installed above the plate-shaped filter, and having a nozzle portion provided with at least one injection port for jetting the cleaning water toward the plate-shaped filter, and the nozzle portion held horizontally. A filter cleaning device having a structure including a front-rear moving means for reciprocating in the front-rear direction in a state and a left-right moving means for reciprocating the nozzle part in the left-right direction when moving back and forth. . 6. The front-rear moving means includes a pair of left and right pulleys arranged at front and rear positions of a moving track of the nozzle portion, and an endless belt or an endless chain which is bridged between the front and rear pulleys, respectively. The left and right moving means is rotatably supported by a supporting portion provided on a part of the endless belt or the endless chain and is installed in the left and right direction, and is screwed into a through screw hole formed in the nozzle portion. A screw bolt, a pinion gear fixed near the end of the screw bolt, a gear toothed pulley arranged at the front and rear positions of the movement locus of the nozzle portion, and the pinion gear installed between these front and rear gear toothed pulleys. Endless belt with inward rack teeth meshed with each other, with a pulley for driving the front-rear moving means and a gear tooth for driving the left-right moving means The filter cleaning device according to claim 5, wherein the pulley and the pulley have a structure in which they are rotationally driven respectively by rotational driving means arranged separately. 7. The filter cleaning apparatus according to claim 1, wherein the cleaning water spraying means has a structure in which a drying air spraying means is attached in the vicinity of the cleaning water spraying means. 8. The filter holding means comprises: a filter tray for horizontally mounting and holding a plate-shaped filter; and the filter tray protruding forward from the apparatus main body when the plate-shaped filter is mounted, and inside the apparatus main body during cleaning. The filter cleaning device according to any one of claims 1 to 7, wherein the filter cleaning device has a structure including: a transfer unit that moves the cleaning unit to the cleaning unit.