JPH11193955A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To clean the inside of a heat exchanger or a fan without dismantling an air conditioner by disposing a fan, a heat exchanger and a filter sequentially from the front side such that the air is blown from the back side to the front side and disposing a water spray tank for cleaning the inside of a casing on the top in the casing. SOLUTION: A water spray tank 2 for cleaning the inside of a casing 1 provided, in the bottom face thereof, with a large number of water spray holes 21, 22 is disposed on the top in the casing above a fan V and a heat exchanger 3 and cleaning water is supplied through piping 5. The spray holes 21 are made above the fan V in order to clean the fan V and the inner face of a front chamber R in the casting 1. The spray holes 22 are made above the heat exchanger 3 and cleaning water drips uniformly onto the upper surface of the heat exchanger 3 to clean the fins thereof. An air outlet 14a is fixed while inclining forward from a vertical plane in order to prevent the top face C from dew formation, adhesion of dust and gathering of mold. Since the fan V is reversible, cleaning can be carried out surely.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an air conditioner,
In particular, the present invention relates to an air conditioner suitable for installation in a processing plant for livestock or marine products.

[0002]

2. Description of the Related Art Conventionally, in a food factory, particularly in a processing plant for livestock or marine products, in order to maintain the freshness of food,
The indoor temperature of the processing plant is kept low throughout the season, for example, 10 ° C.
An air conditioner is installed so as to maintain the air conditioner to a certain degree. In this air conditioner, a blower, a heat exchanger, and a filter are arranged in this order from the front side in a casing, and indoor air is sucked from the back side, and dust-removed and air-conditioned air is blown out from the front side.

[0003]

By the way, in processing livestock or marine products, stricter hygiene control is required to prevent food poisoning than in processing plants, because of the handling of meat or fish. Therefore, it is necessary to periodically clean, sterilize, or remove bacteria adhering to the air conditioner.
However, in the conventional air conditioner, the filter is removed and the rear side of the heat exchanger disposed in the casing is cleaned, or various valves, pipes, and the outer surface of the casing exposed from the casing are cleaned. The inside of the heat exchanger and the blower, which cannot be cleaned without disassembling the air conditioner, are often left with dust attached.
There is a problem that these cleanings require a great deal of trouble.

The present invention solves the problems of this type of air conditioner, and can reliably and easily clean the inside of a heat exchanger and a blower without disassembling the air conditioner. The purpose is to provide.

[0005]

In order to achieve the above object, an air conditioner according to the present invention is provided with a blower, a heat exchanger, and a filter in order from a front side in a casing, and sucks indoor air from a back side. An air conditioner that blows air that has been dust-removed and air-conditioned from the front is characterized in that a sprinkling tank for cleaning the inside of the casing is provided at the top of the casing.

In this air conditioner, a water spray tank for cleaning the inside of the casing is provided at the top of the casing, so that the washing water is dropped from the water spray tank to disassemble the air conditioner without exchanging heat. The inside of the vessel and the blower can be cleaned.

In this case, the blower can be configured to be rotatable forward and backward.

The inside of the heat exchanger and the blower can be more reliably washed by reversing the blower while dropping the washing water from the water spray tank.

Further, the front plate of the casing having the air outlet formed therein can be mounted to be inclined forward.

As a result, since the air blown from the air outlet of the air conditioner is not directly blown to the ceiling surface, dew condensation occurs due to the blow of the cool air to the ceiling surface, so that dust adheres to the ceiling surface and mold is generated. Occurs, and
Dust adhered to the ceiling surface can be prevented from scattering again.

Further, the filter can be supported between the filter mounting frames arranged along the upper and lower portions of the suction port of the casing, and the rear piece of the lower filter mounting frame can be opened.

Thus, the filter of the air conditioner which is generally mounted at a high place can be easily attached and detached from below.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the air conditioner of the present invention will be described below with reference to the drawings. 1 to 5 show an embodiment of the air conditioner of the present invention.

This air conditioner is applied for maintaining the freshness of food in a food factory, especially in a processing plant for livestock products or marine products, and a suction port for sucking room air is provided on the back surface of the casing 1. , A blower outlet is provided on the front side, and a blower V, a heat exchanger 3, and a filter F are sequentially disposed therein,
It is configured to be directly attached to the ceiling surface C via the brackets 8 without leaving a gap.

In this case, the heat exchanger 3 is configured so that the refrigerant is circulated between the heat exchanger 3 and an air conditioner body installed outside. The blower V is configured to be rotatable forward and backward. The power supply and control to the blower V are performed via a waterproof connector (not shown) in a connector box B disposed in the casing 1, thereby facilitating wiring work when the blower V is attached and detached. To do.

At the top of the casing 1 above the blower V and the heat exchanger 3, a sprinkling tank 2 for washing inside the casing having a large number of sprinkling holes 21, 22 formed on the bottom surface is arranged. So that cleaning water is supplied. The water sprinkling hole 21 is formed above the blower V to clean the blower V and the inner surface of the front chamber R in the casing 1. The water sprinkling hole 22 is formed above the heat exchanger 3 so that the washing water is uniformly dropped on the upper surface of the heat exchanger 3 to clean the fins of the heat exchanger 3.

An inner bottom plate 1 constituting an inner bottom surface of the casing 1
2, as shown in FIG. 2, one side (the right side in the figure) is arranged to be inclined so as to be lower, and a drain pipe 6 is opened at an end thereof to drain water from the heat exchanger 3 and Watering tank 2
The washing water dropped from is drained to the outside through the drain pipe 6. In addition, the bottom of the casing 1 is provided with the heat insulating material 4 between the outer bottom plate 11 and the inner bottom plate 12 to prevent dew condensation on the outer bottom surface of the casing 1.

The front plate 14 of the casing 1 in which the outlet 14a is formed is mounted to be inclined forward with respect to the vertical plane. This forward inclination angle θ is 3 to 10 °, preferably 6
に す る Set before and after. Also, this casing 1
The blower V attached to the outlet 14a in accordance with the forward inclination angle θ of the front plate 14 has its blowing direction axis L inclined downward with respect to the horizontal plane. This inclination angle α is 3 to 10 °, preferably,
Set around 6mm. Thereby, the outlet 1
The air blown from 4a is prevented from being directly blown to the ceiling surface C, and the cold air is blown to the ceiling surface C to cause dew condensation, dust adheres to the ceiling surface C, and mold is generated. The dust adhering to the surface C is prevented from scattering again.

The filter F disposed on the rear plate 13 of the casing 1 is mounted via filter mounting frames 7A and 7B disposed along upper and lower portions of a suction port 13a formed on the rear plate 13. Of the filter mounting frames 7A and 7B, the filter mounting frame 7A disposed along the upper portion of the suction port 13a is formed to have a U-shaped cross section that opens downward, while the filter mounting frame disposed along the lower portion. Frame 7B
Is a main body piece 71 having an L-shaped cross section, as shown in FIG.
The rear piece 72 is swingable through a hinge 73 to a main body piece 71 disposed on the back plate 13 of the casing 1 while forming the whole into a U-shaped cross section that opens upward. And detachably attached by the locking member 7S. Thereby, by applying a predetermined force to the rear piece 72, the locked state by the locking member 7S is released, the rear piece 72 is swung with respect to the main body piece 71, and the fixing of the filter F is released. The filter F of the air conditioner generally installed at a high place can be easily attached and detached from below. In this case, the filter mounting frames 7A, 7
B is formed to be slightly longer than the lateral width of the filter F, and locking members 7S for fixing the rear piece 72 are provided at both ends of the filter mounting frame 7B. This lock 7
As S, if it is possible to release the locked state by the locking member 7S by applying a predetermined force to the rear piece 72, besides the fitting type shown in the present embodiment, the roller type, Any type of locking tool such as a magnet type can be adopted.

Although the filter F is not particularly limited, a filter obtained by stretching an antibacterial filter material F1 on a frame material F2 is used. Further, if necessary, the filter material F1 is prevented from vibrating. In order to fix the reinforcing bar F4 in the vertical direction and to fix the filter F in the horizontal direction, the horizontal bar F3 formed to have a U-shaped cross section opened downward so as to be hooked on the attaching / detaching jig 9 described later. I do.

Side chambers R2 on both sides of the inner chamber R of the casing 1
R3 is provided with a piping for the refrigerant to the heat exchanger 3, a piping for supplying the washing water to the sprinkling tank 2, and an expansion valve, a solenoid valve, an on-off valve and the like attached to these pipings, so that the air conditioner can be attached. All of the items are stored in the casing 1 so that dust does not adhere to the accessories.

In addition to the filter material F1 of the filter F, the inner and outer surfaces of the casing 1, the blower, etc., come into contact with air,
In addition, antibacterial treatment or a member subjected to antibacterial treatment is applied to a portion where various bacteria easily adhere and proliferate.

Next, a method of cleaning the inside of the casing 1 of the air conditioner will be described. When dust adheres to the heat exchanger 3, the blower V, etc. of the air conditioner, the cleaning water is supplied into the water spray tank 2 and the blower V is inverted while the cleaning water is dropped from the water spray holes 21 formed in the water spray tank 2. Rotate. The rotation speed of the blower V at the time of the reverse rotation is set to a lower rotation speed than at the time of the normal rotation of the normal operation. By reversely rotating the blower V, the sprinkling tank 2
The washing water dropped from the water sprinkling holes 21 and 22 is diffused and spreads to the inner surface of the blower V and the front room R in the casing 1 and all corners in the heat exchanger 3 to disassemble the conventional air conditioner. Those parts that could not be cleaned without cleaning can be reliably cleaned. In this case, the cleaning agent can be dissolved in the cleaning water as needed.
Then, the washing water dropped from the sprinkling tank 2 flows along the inner bottom plate 12 constituting the inner bottom surface of the casing 1 along the inclination thereof, and is drained to the outside via the drain pipe 6.

Next, a method of attaching and detaching the filter F of the air conditioner will be described. The filter F is a rear piece 72 of the filter mounting frame 7B disposed along the lower portion of the suction port 13a among the filter mounting frames 7A and 7B for fixing the filter F.
Then, by applying a predetermined force directly or by the attachment / detachment jig 9, the locked state by the locking member 7S is released, and the rear piece 72 is swung with respect to the main body piece 71 to fix the filter F. To release. Then, the horizontal rail F3 of the filter F is lifted directly or by the attachment / detachment jig 9, and is swung about the filter mounting frame 7A provided along the upper portion of the suction port 13a as a fulcrum, thereby obtaining the filter mounting frames 7A and 7B. , And can be easily cleaned or replaced with a new filter material F1. Then, the filter F is directly or detachably attached to the jig 9.
The filter is mounted on the filter mounting frames 7A and 7B by swinging with the filter mounting frame 7A provided along the upper portion of the suction port 13a as a fulcrum, and the rear piece 72 is rocked with respect to the main body piece 71. At the same time, the filter F is locked by the locking tool 7S.

FIG. 6 shows an example of the attachment / detachment jig 9 for attaching / detaching the filter F. This attachment / detachment jig 9 is provided with a hook piece 92 projecting from the upper end of a rod 91 of a required length or a telescoping type so as to be able to hook the cross bar F3.
Are provided to support the side pieces 93, 93. Further, a hook piece 94 for hooking a rear piece 72 of the filter mounting frame 7B disposed along the lower portion of the suction port 13a is formed on the attachment / detachment jig 9, and a predetermined piece is attached to the rear piece 72 by the hook piece 94. A force is applied to release the locked state by the locking member 7S, and the rear piece 72 is swung with respect to the main body piece 71, so that the fixing of the filter F can be released. Thus, the filter F of the air conditioner generally installed at a high place can be easily attached and detached from below.

[0026]

According to the air conditioner of the present invention, the water spray tank for cleaning the inside of the casing is provided at the top of the casing. Without disassembly, the inside of the heat exchanger and the blower can be reliably and easily cleaned, and the sanitary condition of the air conditioner can be maintained in a good condition. It is possible to provide an air conditioner suitable for being installed in a vehicle.

Also, the blower is configured to be rotatable forward and reverse,
By reversely rotating the blower while dropping the washing water from the sprinkling tank, the inside of the heat exchanger and the blower can be more reliably washed.

Further, by attaching the front plate of the casing having the air outlet formed to be inclined forward, air blown from the air outlet of the air conditioner is not directly blown to the ceiling surface. When the cold air is blown onto the ceiling, dew condensation occurs, dust is attached to the ceiling surface, mold is generated, and the dust attached to the ceiling surface can be prevented from being scattered again. Can maintain good sanitary conditions around.

In addition, the filter is supported between the filter mounting frames disposed along the upper and lower portions of the suction port of the casing, and the rear piece of the lower filter mounting frame is configured to be openable. The filter of the air conditioner attached to the air conditioner can be easily attached and detached from below.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing an embodiment of an air conditioner of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a rear view of the same.

FIG. 4 is an explanatory view of a filter, wherein (A) is a rear view and (B)
Is a side view, and (C) is a side sectional view.

5A and 5B illustrate a filter mounting frame, wherein FIG. 5A is an explanatory view illustrating a state where a filter is mounted, and FIG.

FIG. 6 shows a filter attaching / detaching jig, (A) is a front view,
(B) is a side view.

[Explanation of symbols]

 F Filter C Ceiling surface V Blower R Inner room 1 Casing 2 Sprinkler tank 3 Heat exchanger 4 Insulation material 5 Water supply pipe 6 Drain pipe 7A Filter mounting frame 7B Filter mounting frame 72 Rear piece

Claims (4)

[Claims] 1. A blower in a casing from the front side,
In an air conditioner in which a heat exchanger and a filter are arranged in order, the room air is suctioned from the back, dust-removed, and air-conditioned air is blown out from the front, a watering tank for washing the inside of the casing is provided at the top of the casing. An air conditioner characterized by being provided. 2. The air conditioner according to claim 1, wherein the blower is configured to be rotatable forward and backward. 3. The air conditioner according to claim 1, wherein the front plate of the casing having the air outlet is mounted to be inclined forward. 4. A filter is supported between filter mounting frames disposed along upper and lower portions of a suction port of a casing, and a rear piece of the lower filter mounting frame can be opened. Item 4. The air conditioner according to item 1, 2 or 3.