JPH07269901A - Drain tank in spot cooler - Google Patents

Abstract

PURPOSE:To provide a drain tank having an increased volume. CONSTITUTION:An indoor heat exchanger 2, indoor drain pan 3, outdoor heat exchanger 4, drain pan 5, and drain tank 6 are arranged from an upper position downward in this order in a body 1. A drain pipe 9 for carrying off condensate projects horizontally from the side wall of the drain pan 5. An opening 10 for collecting condensate is formed horizontally in the drain tank 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drain tank device for a local cooling machine used in factories and the like.

[0002]

2. Description of the Related Art In recent years, the demand for local air conditioners has been increasing in order to improve the thermal working environment in factories and the like.

Conventionally, this type of local air conditioner generally has a structure as shown in FIG. The configuration will be described below with reference to FIG. 7.

As shown in the figure, the body 101 of the local air conditioner
Is provided with an indoor unit 102 and an outdoor unit 103 facing the indoor unit 102. The indoor unit 102 is provided with an indoor heat exchanger 104 and an indoor blower 105 behind the indoor heat exchanger 104. Further, the outdoor unit 103 is provided with an outdoor heat exchanger 106 on the side opposite to the indoor unit 102, and an outdoor blower 107 between the outdoor heat exchanger 106 and the indoor unit 102. Furthermore, the outdoor unit section 1
A compressor (not shown) and an indoor unit section 10 below 03.
A drain tank 108 is provided below the unit 2. And
Below the indoor heat exchanger 104, the indoor heat exchanger 10
Drain pan 109 for receiving condensed water generated in No. 4
Was provided, and a drain pipe 110 was provided at the bottom of the drain pan 109.

In the above structure, the condensed water generated in the indoor heat exchanger 104 is collected in the drain pan 109, flows through the drain pipe 110, flows in from the inflow port 111 of the drain tank 108 provided below the drain pipe 110, and is drain tank. It will be accumulated in 108.

In some cases, the drain hose (not shown) may be connected to the drain pipe 110 to directly drain the water to the drain groove without attaching the drain tank 108 to the main body. It has a minimum length of about 20 mm so that a hose can be connected.

[0007]

In the structure of the conventional local air conditioner as described above, the drain pipe 108 can be taken out from the main body 101 when condensed water is accumulated in the drain tank 108 and drained. It is necessary to open the opening of the drain tank 108 below. Therefore, since the full position of the drain tank 108 is below the opening, there is a problem that the drain water capacity stored in the drain tank 108 is reduced by the length of the drain pipe 110. Further, in order to increase the capacity of the drain tank 108 as much as possible, the drain pipe 110
Since the length of the drain hose cannot be increased so much, drainage hose and drain pipe 110
There was a problem that it was difficult to fix. Further, if an attempt is made to secure a large capacity of the drain tank 108 by making the opening of the drain tank 108 and the full-water position as close as possible, there is a problem that the water jumps out from the opening when the drain tank 108 is taken out.

SUMMARY OF THE INVENTION The first object of the present invention is to provide a drain tank device for a local air conditioner capable of increasing the capacity as much as possible.

A second object is to increase the capacity of the drain tank and facilitate drainage of the condensed water through the drain port.

A third object is to prevent condensed water from splashing out of the drain tank of the local air conditioner.

[0011]

In order to achieve the first object, a drain tank device for a local cooling machine according to the present invention comprises:
The first means is a drain pan provided in the main body of the local air conditioner so as to receive condensed water, a drain tank provided in the main body at a position below the drain pan so as to be freely drawn out, and a horizontal direction on a side wall of the drain pan. A drain pipe for condensate outflow provided so as to project toward the condensate, and an opening for condensate inflow provided in the drain tank so that the drain pipe is inserted, and the drain tank when the drain tank is stored The opening of is fitted into the drain pipe.

In order to achieve the second object, the second means is, in addition to the first means, a hollow condensate treatment section communicating with the inside of the drain tank is provided at the front part on the drawing side of the drain tank. It is provided so as to project upward, an opening for inflowing condensed water is provided on the inner side wall of the condensed water treatment section, and a drain port is provided on the upper portion.

In order to achieve the third object, the third means is, in addition to the first means and the second means, the opening of the drain tank when the drain tank is pulled out to the condensed water inflow opening of the drain tank. Is provided with a reduction means which is arbitrary.

[0014]

According to the present invention, with the construction of the above-mentioned first means, the drain pipe is projected horizontally so as not to get in the way when the condensed water accumulated in the drain tank is discharged and the drain tank is pulled forward from the main body. Therefore, compared with the case where the drain pipe is projected vertically, the opening of the drain tank can be made higher by the length of the drain pipe, thus increasing the capacity of the drain tank. Become.

Further, according to the structure of the second means, since the condensed water inflow opening and the drainage port are provided in the condensed water treatment section protruding above the drain tank, the condensed water is fully stored in the drain tank. It is possible until the tank becomes empty, the capacity of the drain tank can be increased, and the drain port enables smooth drainage.

Further, according to the structure of the third means, when the condensed water accumulated in the drain tank is drained, the thin film portion of the rubber bushing is closed when the drain tank is taken out, so that the drain tank opening is narrowed and water is discharged. It will be possible to prevent jumping out.

[0017]

【Example】

(Embodiment 1) Hereinafter, a first embodiment of the present invention will be described with reference to FIG.
-It demonstrates, referring FIG.

As shown in the figure, an indoor heat exchanger 2, an indoor drain pan 3 and
An outdoor heat exchanger 4, a drain pan 5, and a drain tank 6 are provided, and an indoor blower 7 for the indoor heat exchanger 2 and an outdoor blower 8 for the outdoor heat exchanger 4 are provided. Further, a drain pipe 9 is provided on the side wall of the drain pan 5 so that the condensed water flows out in the horizontal direction, and the internal water passage 9a is formed at an inclination angle θ of about 5 degrees so as to descend toward the outside. There is. Further, the drain tank 6 is provided in the main body 1 so as to be freely drawn out, and when the drain tank 6 is housed in the main body 1, an opening 10 for inflowing condensed water to be fitted into the drain pipe 9 is provided.

With the above construction, the drain tank 6 is installed in the main body 1
When it is stored in the drain pan 5, the drain pipe 9 provided in the drain pan 5 is provided with the opening 1 for inflowing the condensed water provided in the drain tank 6.
Since 0 is inserted, the condensed water generated in the indoor heat exchanger 2 is sprayed to the outdoor heat exchanger 4 via the indoor drain pan 3, then collected in the drain pan 5, and flows into the drain tank 6 via the drain pipe 9. It will be.

When the condensed water has accumulated in the drain tank 6 up to the full-filled position, a handle (not shown) of the drain tank 6 is held and pulled out to drain the water.

As described above, according to the drain tank device of the local air conditioner of the first embodiment of the present invention, the capacity of the drain tank 6 is compared with that when the drain pipe 9 is vertically projected. As long as the length can be secured and the length of the drain pipe 9 can be increased, connection of the drain hose becomes easy.

Further, since the drain pipe 9 is formed in the horizontal direction which is the direction in which the drain tank 6 is drawn out, the drain pipe 9 is automatically engaged with the condensate inflow opening 10 by the storage operation of the drain tank 6. Therefore, the drain tank 6 can be easily attached and detached.

(Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIG.

Regarding the same parts as in the first embodiment,
The same reference numerals are given and detailed description is omitted.

As shown in the figure, a hollow condensed water treatment portion 6a communicating with the inside of the drain tank 6 is provided at the front portion on the drawing side of the drain tank 6 so as to project upward, and inside the condensed water treatment portion 6a. An opening 10 for inflowing condensed water is provided on the wall, and a drain port 11 is provided on the upper portion.

With the above structure, the opening 1 for the inflow of condensed water
Since 0 is provided in the hollow condensate processing unit 6a protruding upward from the upper surface of the drain tank 6, the condensate does not leak even at the full water position where the drain tank 6 is full of condensed water. The volume of the drain tank 6 can be effectively used.

As described above, according to the drain tank device of the local air conditioner of the second embodiment, the capacity of the drain tank can be increased and the drain port can facilitate the drainage of the condensed water in the drain tank.

(Embodiment 3) Next, a third embodiment of the present invention will be described with reference to FIGS.

Regarding the same parts as in the second embodiment,
The same reference numerals are given and detailed description is omitted.

As shown in the drawing, when the drain tank 6 is pulled out to an opening 10 for inflowing condensed water provided in the drain tank 6, the opening 1 is opened when the drain pipe 9 is disengaged.
A reduction means including a rubber bushing 13 provided with a cut portion 12 is provided so that the area of 0 can be reduced.

In the above structure, when the drain tank 6 is housed, the drain pipe 9 opens the notch 12 of the rubber bushing 13 forming the reducing means, and the opening 10 is fitted into the drain pipe 9 so that the drain pipe 9 and the opening. Part 1
The gap between 0 is sealed by the rubber bushing 13.

When the drain tank 6 is pulled out and the drain pipe 9 is disengaged from the opening 10, the opening 10 is opened.
The rubber bushing 13 provided at the position is reduced by the cut portion 12 so that the area of the opening 10 is reduced so that the opening 10 is almost closed, and the condensed water in the drain tank 6 is pulled out by the drain tank 6. It will be prevented from jumping out of the opening 10.

As described above, according to the drain tank device of the local air conditioner of the third embodiment of the present invention, when the drain tank 6 is housed in the main body, the drain pipe 9 and the opening 10 of the drain tank 6 are connected. The gap can be sealed, and it is possible to prevent water from jumping out when the product is moved in a state where condensed water is collected in the drain tank 6 or when the drain tank 6 is pulled out.

[0034]

As is apparent from the above embodiments, according to the present invention, the drain pan is provided with the drain pipe in the horizontal direction, and the condensed water inflow opening is fitted into the drain pipe when the drain tank is stored. Since the part is provided in the drain tank, it is possible to provide the drain tank device of the local air conditioner capable of increasing the storage capacity of the condensed water.

Further, since the condensate inflow opening and the drainage port are provided in the condensate treatment section projecting above the drain tank, the condensate can be stored until the drain tank is full, and the drain is The capacity of the tank can be increased.

Further, the condensate inflow opening is provided with a contracting means for reducing the condensate when the drain tank is pulled out. Therefore, the product is moved in a state where the condensate is accumulated in the drain tank. It is also possible to prevent the water in the drain tank from jumping out from the condensed water inflow opening and getting wet on the floor surface when the drain tank is pulled out.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a configuration of a drain tank device of a local cooling machine according to a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional view showing the configuration of the drain pan according to the first embodiment.

FIG. 3 is a perspective view showing the configuration of the drain tank of the first embodiment.

FIG. 4 is a perspective view showing the configuration of the drain tank of the second embodiment.

FIG. 5 is a sectional view showing the relationship between the drain pipe and the opening when the drain tank of the third embodiment is stored.

FIG. 6 is a perspective view showing the configuration of the drain tank of the third embodiment.

FIG. 7 is a perspective view showing a configuration of a drain tank device of a conventional local cooling machine.

[Explanation of symbols]

 1 Main body 5 Drain pan 6 Drain tank 6a Condensate treatment unit 9 Drain pipe 10 Opening 11 Drainage port 13 Reduction means (rubber bushing)

Claims (3)

[Claims] 1. A drain pan provided in a main body of a local air conditioner so as to receive condensed water, a drain tank provided in the main body at a position below the drain pan so as to be freely drawn out, and a side wall of the drain pan in a substantially horizontal direction. A drain pipe for condensate outflow provided to project toward the drain, and an opening for condensate inflow provided in the drain tank so that the drain pipe is inserted are provided, and when the drain tank is stored, the drain tank A drain tank device for a local air conditioner having a structure in which an opening is inserted into a drain pipe. 2. A condensate treatment unit having a hollow shape, which communicates with the inside of the drain tank, is provided so as to project upward at the front side of the drainage tank, and an opening for inflowing condensed water is formed in the inner wall of the condensate treatment unit. The drain tank device for a local air conditioner according to claim 1, wherein the drain tank device is provided with a portion and a drain port is provided at an upper portion. 3. The drain tank device for a local cooling machine according to claim 1, wherein the drain tank is provided with a reducing means for reducing the size of the drain tank when the drain tank is pulled out.