JP2658730B2 - Elevator car cooling system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car cooling apparatus provided in an elevator car for cooling a car room, and more particularly to an elevator car cooling apparatus capable of easily discharging condensed water generated in an indoor unit. It concerns the device.

[0002]

2. Description of the Related Art FIG. 2 is a front view showing a conventional elevator car cooling apparatus. In the drawing, reference numeral 1 denotes an outflow pipe for allowing condensed water generated in a cooling machine 10 provided in a car room 9 to flow out, 2 denotes a storage tank for condensed water provided at an outlet of the outflow pipe 1, and 3 denotes a hoistway wall. A hose, which is provided almost in the middle of the pipe 11 and allows the condensed water in the storage tank 2 to flow down to the water receiver 4, and a drain port 6 provided in the pit of the hoistway for draining the water from the water receiver 4
Is a drain pipe for guiding to Reference numerals 7 and 8 denote the lowest floor and the highest floor of a building communicating with the hoistway, respectively.

[0003] The conventional elevator car cooling device is configured as described above. When the cooling device 10 is operated, condensed water generated in the heat exchanger passes through the outflow pipe 1 and the storage tank 2, For example, as shown by a two-dot chain line in FIG. 2, when the car room 9 is below the hoistway, it is stored in the curved portion 3 a of the hose 3. When the car room 9 moves up and down, the curved portion 3a of the hose 3 also moves up and down accordingly, and condensed water inside moves up and down while maintaining the state of being stored in the curved portion 3a. Now, when the car room 9 moves to the upper floor, the upper surface of the condensed water in the curved portion 3a of the hose 3 reaches the water receiver 4 provided substantially in the middle of the hoistway wall 11, and the condensed water inside is It flows into the water receiver 4 and is further discharged outside the hoistway through the drain pipe 5 and the drain port 6. This draining action continues until the cab 9 stops on the top floor 8. In this way, the condensed water generated in the air conditioner 10 is automatically discharged from the drainage port 6 to the outside of the hoistway every time the cab 9 goes to the upper floor while being stored in the curved portion 3a of the hose 3.

As another means for discharging the condensed water of the cooling machine 10 provided in the elevator car, Japanese Utility Model Laid-Open No. 3-735 is used.
No. 86 discloses a technique in which a drain hose is provided in an elevator car and guided to a drain tank provided in a pit of a hoistway.

[0005]

As described above, the conventional elevator car cooling system employs a system in which condensed water generated by the air conditioner flows to a drain port or a drain tank provided in a building. , Drain pipe, water receiver, etc.
It had a complicated configuration. In addition, if a drain is required in the hoistway, if the customer requests the installation of a cooling device after installing the elevator, a drain hole must be provided in the hoistway separately after that. It was difficult to change.

As another prior art, Japanese Utility Model Application Laid-Open No. 62-797 has been proposed.
No. 75, Japanese Unexamined Patent Publication No. 60-15384, and Shokai 6
There is a technique disclosed in Japanese Patent Publication No. 3-113881. 62-
No. 79775 discloses that a car that moves up and down a hoistway is cooled.
Elevator cooling system provided with an indoor unit of the device
Storage of condensed water generated in the cooling device
The container provided in communication with the indoor unit and the condensed water
An automatic spraying device that scatters water to the
A device for sending to the automatic spraying device, and condensed water in the container.
Is discharged when the amount exceeds the specified amount, and receives the discharged condensed water.
Elevator consisting of a tank provided in the pit
An air conditioner is disclosed. But this technology is going up and down
Because it sprays condensed water in a mist in the road,
Adheres to the walls in the hoistway and mechanically
And oxidize the components of the elevator such as rails,
Electrical leakage may occur, and condensed water is atomized
Couldn't take advantage of the ability to scatter.

Further , Japanese Patent Application Laid-Open No. 60-15384 discloses
Is used in an elevator car equipped with a cooling system.
Outside the elevator car that receives dew condensation water generated from the
The provided evaporating tank, the evaporating tank in conjunction with the cooling device
A heater for heating, and a steam generated by the heater.
And a blower for discharging the condensed water.
Of dew water treatment for elevator cooling system
Have been. However, in this technology, cooling equipment and
In conjunction with a heater for heating the evaporation tank and the heater
A blower that discharges steam generated from the cooling system is separate
Must be installed at the same time, which makes the apparatus expensive.

Then, Japanese Utility Model Application Laid-Open No. 63-113881 is disclosed.
Is the defrosting that occurs with the defrosting operation inside the refrigerator body.
A permeable pipe for containing water;
Cooling that is provided in the condenser of the refrigeration cycle so that it can conduct heat
A repository is disclosed. However, in refrigerators,
Thawing water generated by the defrosting operation of the refrigerator
Housed in a breathable pipe and used for condensation in the refrigeration cycle
Heat is received by the heater or the defrosted water is evaporated by the evaporating dish
Even if it is allowed to evaporate,
Although the temperature rises, the indoor space is released and the saturation humidity
Is not a problem, and this can be directly
It is applicable to the cooling system of the elevator car installed in the building.
I can't do that.

Therefore, the present invention does not require a drain port in the hoistway, and also provides a hoist for flowing condensed water into the hoistway.
And drainage pipes are unnecessary, and the wastewater treatment is simple and inexpensive.
It is an object of the present invention to provide an elevator car cooling apparatus that can perform the above operation.

[0010]

An elevator according to claim 1 wherein :
The cooling system for the elevator car is located outside the elevator car.
Compressor and condenser to circulate the refrigerant,
A blower that blows air to the condenser and discharges it through an exhaust port
An outdoor unit having
And has a refrigerant coil and a blower, and is connected to the outdoor unit.
Then, the cool air cooled by the refrigerant coil is
An indoor unit for sending air into a car for cooling,
Attached to the exhaust port of the unit,
The condensed water discharged from it in a flat shape, and
The condensed water retained from the surface is discharged to the outdoor unit.
Humidifying element that is evaporated by warm air exhausted from the exhaust port
And a comment.

[0011] A cooling system for an elevator car according to claim 2.
The unit is provided outside the elevator car and circulates refrigerant.
Compressor, condenser, and sucked outside air to the condenser
Outdoor unit with blower that blows and discharges from exhaust port
And a refrigerant coil provided in the elevator car,
A blower, connected to the outdoor unit,
The cool air cooled by the medium coil is sent out into the car
An indoor unit to be cooled and an exhaust port of the outdoor unit
And the condensate discharged from the indoor unit
Water is retained, and from the surface of the condensed water retained,
By the warm air discharged from the exhaust port of the outdoor unit
The humidifying element to be evaporated and the indoor unit
The condensed water generated is guided to the humidifying element
And a condensed water introduction pipe.

[0012]

According to the first aspect, it is assumed that the cooling device is operated.
Condensed water generated in the indoor unit
Is guided to the humidifying element
You. Then, the humidifying element covers the entire surface
Absorbs and retains condensed water. In this state,
Warm air discharged from the exhaust port of the outdoor unit
Contact with the humidifying element
The compressed water evaporates and escapes to the hoistway with the warm air.

In a preferred embodiment , the cooling device is operated.
Condensed water generated in the indoor unit when
To the humidifying element provided opposite the exhaust port of the
I will Then the humidifying element will cover the whole surface
The condensed water is absorbed and held. In this state,
The temperature discharged from the exhaust port of the outdoor unit to the wet element
When the wind comes in contact, it is absorbed and held by the humidifying element
The condensed water evaporates and escapes with the hot air into the hoistway. Change
The condensed water discharged from the indoor unit
Is equipped with a condensed water inlet pipe leading to
Special hoses and drain pipes are unnecessary,
Condensed water can be discharged at a reasonable price, and
Since no drain port is required, cooling the existing elevator
The installation of the device can be easily performed.

[0014]

An embodiment of the present invention will be described below with reference to FIG. FIG. 1 is a front view showing a cooling device for an elevator car according to one embodiment of the present invention. In the drawing, the same reference numerals and symbols as those in FIG. 2 denote the same or corresponding parts as those in the related art.

In the drawing, reference numeral 10a denotes an indoor unit having a refrigerant coil, an air filter, and a blower for sending cool air into the cab, and 10b denotes a cab close to the indoor unit 10a. 9 is an outdoor unit having a compressor, a condenser, and a blower for blowing outside air to the condenser. Reference numeral 12 denotes a duct for guiding the cold air generated in the indoor unit 10a into the cab 9, and reference numeral 13 denotes an indoor unit 10a and an outdoor unit 10b.
And a pipe for a refrigerant or the like. Reference numeral 14 denotes a humidifying element for storing condensed water generated in the indoor unit 10a, which is formed of a flat humidifying hose made of a porous cloth, and is opposed to a position close to the front surface of the exhaust port of the outdoor unit 10b. Installed. Reference numeral 15 denotes a condensed water introduction hose for guiding condensed water generated in the indoor unit 10a to the humidifying element 14. 16 is attached to the lower surface of the upper beam 17, and the indoor unit 10a and the outdoor unit 10
b, a mounting bracket to which the humidifying element 14 is mounted.

Next, the operation of the elevator car cooling device of the present embodiment configured as described above will be described. When the indoor unit 10a and the outdoor unit 10b of the air conditioner are operated, the condensed water generated in the heat exchanger of the indoor unit 10a passes through the condensed water introduction hose 15 and the humidifying element 1
4 In the humidification element 14, the condensed water is passed through a flat humidification hose. On the other hand, the warm air generated in the outdoor unit 10b flows through the humidifying element 14. At this time, the air flowing through the humidifying element 14 evaporates the condensed water of a humidifying hose formed of a porous cloth, absorbs the vapor, becomes humidified air, and is discharged to the hoistway. Thereby, the indoor unit 10a
The condensed water generated in the above is removed through the humidifying element 14.

If the speed of the condensed water generated in the indoor unit 10a is higher than the speed of the condensed water evaporating from the humidifying element 14 due to the warm air discharged from the exhaust port of the outdoor unit 10b, the humidifying element Since the condensed water overflows outside the humidifying element 14 and drops on the ceiling of the elevator car, etc., the contact area of the humidifying hose of the humidifying element 14 is designed according to the amount of condensed water generated. Is desirable.

As described above, the cooling system for an elevator car of the above embodiment comprises a pair of the indoor unit 10a and the outdoor unit 1 for sending cool air into the car room 9 to the elevator car.
0b, the condensed water discharged from the indoor unit 10a is stored in a position facing the exhaust port of the outdoor unit 10b in a water-absorbing state, and the hot water discharged from the exhaust port of the outdoor unit 10b is A humidifying element 14 composed of a humidifying hose made of a porous cloth material to be evaporated is attached, and condensed water generated in the indoor unit 10a is humidified between the indoor unit 10a and the humidifying element 14. A condensed water introduction hose 15 as a condensed water introduction pipe leading to a hose is attached.

Therefore, according to the above embodiment, when the cooling device is operated, the condensed water generated in the indoor unit 10a is supplied to the humidifying hose of the humidifying element 14 provided opposite to the exhaust port of the outdoor unit 10b. At this time, since the humidifying hose is formed of a porous cloth material, the condensed water is absorbed and held over the entire surface. Then, when the hot air discharged from the exhaust port of the outdoor unit comes into contact with the humidifying hose, the condensed water absorbed and held in the humidifying hose evaporates and escapes to the hoistway together with the hot air. As a result, a special hose or drain pipe for drainage becomes unnecessary, and condensed water can be easily and inexpensively discharged. Further, since the drain port is not required on the building side, the cooling device can be easily attached to the existing elevator.

In the above embodiment, the indoor unit 10
1 shows a case where the present invention is applied to a separate type air conditioner in which an indoor unit 10a and an outdoor unit 10b are integrated with each other. May be applied as well. In this case, the condensed water introduction hose 15 that connects the indoor unit 10a and the outdoor unit 10b can be made unnecessary by directly connecting the heat exchanger of the indoor unit 10a and the humidifying element 14. When the condensed water introduction hose 15 is unnecessary, it corresponds to the aspect of the present invention.

By the way, the humidifying element 1 of the above embodiment
The humidifying hose constituting the humidifying hose 4 is formed of a porous cloth material. However, the present invention is not limited to this, and the humidifying hose absorbs condensed water over the entire surface facing the outdoor unit 10b. Any material may be used as long as it can be held.

[0022]

As described above, according to the elevator of claim 1,
The refrigeration system cools the air in the elevator car and in the cabin.
A pair of outdoor unit and indoor unit
The indoor unit at a position facing the exhaust port of the outdoor unit.
Holding the condensed water discharged from the
The hot air discharged from the exhaust port of the outdoor unit
With a humidifying element to evaporate condensed water
You. Therefore, when the cooling device is operated, the indoor unit is used.
Condensed water generated in the knit is discharged to the exhaust port of the outdoor unit.
Guided by the humidifying element installed opposite to absorb and hold
Is done. And it was discharged from the exhaust port of the outdoor unit
The hot air absorbs and retains the moisture in the humidifying element.
The compressed water evaporates and escapes to the hoistway with the warm air. this
Sometimes, it is not a thing to dissipate at a particularly high temperature, so the hoistway wall
Is less likely to become water droplets by cooling . As a result, drainage
Is unnecessary because special hoses, drain pipes, etc. for
Can discharge condensed water inexpensively, and
Since no drainage port is required,
The installation of the cooling device can be easily performed. Only
Is not spraying on the hoistway as in the conventional example
Therefore, water droplets do not adhere to the hoistway.

The cooling system for an elevator car according to claim 2 is
In addition to the configuration of claim 1, the indoor unit and the outdoor unit
The vertical relationship is determined for the unit, and from the indoor unit
Introduce cool air into the elevator car by duct,
Condensation that leads to condensed water discharged from the humidifier
Since it has a water introduction pipe, the effect of claim 1 can be obtained.
In addition, special hoses and drain pipes for drainage are not required.
Thus, the condensed water can be easily and inexpensively discharged.
Also, no drainage port is required on the building side,
Easy installation of the cooling system on the elevator
it can.

[Brief description of the drawings]

FIG. 1 is a front view showing an elevator car cooling device according to an embodiment of the present invention.

FIG. 2 is a front view showing a conventional cooling device for an elevator car.

[Explanation of symbols]

 9 car room 10a indoor unit 10b outdoor unit 14 humidifying element 15 condensed water introduction hose

Claims (2)

(57) [Claims] 1. A refrigerant provided outside an elevator car,
Circulating a compressor, a condenser, and
Has a blower that blows to the condenser and discharges it from the exhaust port
An outdoor unit, a refrigerant coil and a blower provided in the elevator car.
Having the refrigerant coil connected to the outdoor unit
The cold air cooled by the
An indoor unit for discharging and cooling, and an indoor unit attached to an exhaust port of the outdoor unit.
Condensate discharged from the knit is retained in a flat shape
And the condensed water retained from the surface of the
Evaporated by the warm air exhausted from the exhaust port of the unit
And a humidifying element.
Data basket cooling device. 2. A refrigerant provided outside an elevator car, wherein a refrigerant
Circulating a compressor, a condenser, and
Has a blower that blows to the condenser and discharges it from the exhaust port
An outdoor unit, a refrigerant coil and a blower provided in the elevator car.
Having the refrigerant coil connected to the outdoor unit
The cold air cooled by the
An indoor unit for discharging and cooling, and an indoor unit attached to an exhaust port of the outdoor unit.
Retains condensed water discharged from the knit and its surface
From the outlet of the outdoor unit
Humidifying element that evaporates with warm air discharged from
And the condensed water generated in the indoor unit is located at a lower portion.
A condensed water introduction pipe leading to the humidifying element.
And a cooling device for an elevator car.