JPH07298757A - Condenser cooling part in cabin - Google Patents

Abstract

PURPOSE:To eliminate inconvenience of installing a condenser cooling part in an engine room in an air conditioning device in a cabin of a combine harvester, etc., and to arrange the condenser cooling part in the cabin. CONSTITUTION:In a cabin 1, a chamber 1a for cooling a condenser of an air conditioning device is formed at the read part of a seat 15. A condenser unit CU made by integrating the condenser with an exhaust fan is fixed in an inclined state in a side view condensing cooling detachably by a stay. An intake vent is installed above the condenser unit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for forming a condenser cooling portion of an air conditioner in a cabin of an agricultural vehicle such as a combine harvester.

[0002]

2. Description of the Related Art Conventionally, in an air conditioner for a cabin arranged in a combine or the like, a condenser is arranged in an engine room provided under the cabin or the like, and the condenser is cooled by using engine intake air. On the other hand, there is known a configuration in which a front space of a seat is vacant and a seat can be moved forward by reducing the size of a front column and disposing the front column in the cabin.

[0003]

When the condenser is arranged in the engine room for cooling, the air warmed by the condenser is sucked into the engine, resulting in a reduction in engine efficiency and cooling effect. It was Also, in the combine, there is a Glen tank behind the cabin, and in order to operate this Glen tank in the cabin, in order to wire the Glen tank operation panel from the Glen tank and install it at the rear of the cabin, It should be as close as possible to the front of the Glentank. However, if a condenser was installed in the engine room below the cabin, there was a problem that the gap between the cabin and the Glen tank would be correspondingly increased.

[0004]

SUMMARY OF THE INVENTION The present invention is intended to form a cooling portion of an air conditioner by utilizing a rear space of a seat which can be arranged in the cabin by being moved forward. That is, in the cabin, the condenser cooling chamber of the air conditioner, which is formed by recessing the rear surface of the cabin, is provided at the rear of the seat, and the unit in which the condenser and the exhaust fan are integrated is inclined in a side view in this cooling chamber. The unit is provided with an intake port above the unit, and the unit can be mounted in the cooling chamber.

[0005]

[Function] Since the condenser cooling chamber is provided using the space behind the seat, the condenser can be removed from the engine room, and the cabin rear part and the front of the Glen tank can be approached, and the intake air in the engine room is only the engine intake air. used. Further, the cooling chamber is easily configured by recessing the rear surface of the cabin, and the rear end portion is naturally opened, so that the intake port and the exhaust port can be secured.

Further, in the condenser cooling section in the cabin, the unit unit of condenser and fan is arranged in an inclined shape and the intake port is formed above the unit, so that the intake air from above the unit is smooth. It hits the condenser and can send warm exhaust air downward. Moreover, the unit can be easily attached and detached.

[0007]

The problems and configurations to be solved by the present invention are as described above. Next, the embodiments of the present invention shown in the accompanying drawings will be described. 1 is an overall side view of a combine, FIG. 2 is a side view of a cabin provided with a condenser cooling unit of the present invention, FIG. 3 is a rear view of the same, FIG. 4 is a plan view of the same, and FIG. 5 is an internal side view of a condenser cooling unit. 6 is a rear view of the condenser unit CU, FIG. 7 is a plan view of the same, FIG. 8 is a bottom view of the same, FIG. 9 is a schematic internal side view showing an air intake structure of an engine room, and FIG. 10 is a schematic internal front view of the same. .

The overall structure of the combine will be described with reference to FIG. Chassis 2 for suspending the crawler traveling device 25
6, the Glen tank 27 is arranged on the right side, and the threshing / sorting unit (not shown) is arranged on the left side to form the main body. At the front of the Glen tank 27, the engine room 20 is mounted on the chassis 26. The engine room 20
The seat 15 is placed with the upper part as a seat base, and the periphery of the seat 15 is covered with the cabin 1. Further, in front of the threshing / sorting unit, a mowing unit 28 having a cutting blade 30, a raising case 29, and the like is supported so as to be able to move up and down. The mowing unit 28 mows grain culms and conveys them into the threshing unit. After threshing and going through the sorting section,
The paddy is stored in the Glen tank 27.

Next, the arrangement of each member in the cabin 1 will be described with reference to FIGS. 2 to 4. In a plan view, as shown in FIG. 4, a front column 16 is arranged on the right side of the front part, and a lever 16a for raising and lowering the cutting portion and turning is provided. A door 1e of the cabin 1 is provided on the left side of the cabin 1 from the rear end on the right side of the front column 16, and a side column 17 is provided on the left side of the cabin 1 so as to project a shift lever and the like. Although the seat 15 is disposed in the substantially central portion on the left and right, the front column 16 is located on the right side, so there is no front column 16 in front of the seat 15, and therefore the seat 15 is located closer to the front than before. The operation panel 18 of the Glen tank 27 is embedded on the left side at the rear of the rear side, and the condenser cooling chamber 1a of the air conditioner extending inside the rear surface of the cabin 1 is provided on the right side.

The structure of the condenser cooling unit will be described. As shown in FIGS. 2 and 5, the condenser cooling chamber 1a has a side view in which the front surface is inclined in accordance with the inclination of the backrest of the seat 15 located immediately in front of the condenser cooling chamber 1a, and the inner space is taken as wide as possible. There is. A lid 1d is provided on the front surface of the condenser cooling chamber 1a, and the lid 1d is opened from the inside of the cabin so that the inside can be opened for maintenance work and the like. , A dust-proof net 12 formed by a wire net or the like by opening the intake port 1b in the upper part
Is provided, and an air outlet 1c is opened in the lower part. Between the air inlet 1b and the air outlet 1c, the intake air and the exhaust air heated by the condenser cooling are prevented from being mixed with each other. It is partitioned by a partition material 13 such as. Further, as shown in FIG. 3, the partition wall member 13 is provided on the left side of the intake port 1b and the exhaust port 1c.
Vertical portions 13a and 13b are respectively provided on the right side of.
In the vertical portion 13a, the warmed exhaust gas from the engine room, which is transmitted from the left side of the condenser cooling chamber 1a, is the intake port 1b.
The vertical part 13b is cut off so that it does not get inside
The warmed air from c is blocked from flowing into the air intake of the engine room arranged on the right side of the condenser cooling chamber 1a.

Inside the condenser cooling chamber 1a, as shown in a side view of FIG. 5, a condenser unit CU formed by combining the condenser 2 and the exhaust fan 3 is arranged in a rearwardly inclined shape. The exhaust fan 3 is covered with a fan frame 4 fixed to the rear surface of the condenser 2,
Of the guard frames 4a, 4b extending from the fan frame 4 toward the air exhaust port formed in the center as shown in FIG. 6, the guard frames 4a, 4a, 4a extending toward the inner side of the air exhaust port A motor mounting plate 5 is fixedly installed at the inner end, a motor 6 is mounted on the motor mounting plate 5, and a motor shaft 6a is projected forward. An exhaust fan 3 is fixed to the motor shaft 6a in an annular manner. It has been done. The guard frame 4b, which extends from the fan frame 4 toward the outside of the exhaust port, extends lower than the guard frame 4a in order to prevent the guard frame 4b from projecting rearward when installed in the condenser cooling chamber by tilting backward. Has been done.

The mounting stay 7 is pivotally supported on the lower surface of the fan frame 4 by a pivot pin 7a, and when the mounting stay 7 is mounted in the condenser cooling chamber 1a, the mounting stay 7 is projected rearward and downward. , The lower end of the rear part is condenser cooling chamber 1
The bottom surface of a is screwed with a bolt 8. Since the screwing position of the bolt 8 is brought closer to the opening side of the air outlet 1c, the bolt can be easily attached and detached. At the time of removal, even if the bolt 8 is removed, the mounting stay 7
Is in contact with the bottom surface of the condenser cooling chamber 1a,
It becomes difficult for the condenser unit CU to come off. For this reason, the mounting stay 7 is configured so that it can be detached by rotating around the pivot pin 7a as a fulcrum and separating from the bottom surface of the condenser cooling chamber 1a.

As for the condenser 2, as shown in side views 2 and 3, a ventilation pipe 9 is provided from an indoor unit 14 of an air conditioner installed in the ceiling of the cabin 1, and an engine room 20 below the cabin 1 is provided. The ventilation pipe 10 is connected to the compressor 24 provided inside. Both ventilation pipes 9 and 10 are made of elastic members such as rubber that are sufficiently long and bendable so that they do not have to be removed from the condenser 2 when the condenser unit CU is removed for maintenance work or the like. Further, as shown in FIG. 2 and FIG. 3 and the like, a refrigerant tank 11 is arranged vertically on the side of the fan frame 4, and the indoor unit 14 and the compressor 24 are connected from the refrigerant tank 11.
Is plumbed against.

The structure of the condenser cooling section in the cabin 1 is as described above. Next, the structure of air into the engine room will be described. Below the cabin 1,
As described above, the engine room 20 which also serves as a seat is disposed, and the intake port 20a as shown in FIG. 1 is formed on the right side surface thereof. As shown in FIGS. Although the intake duct 22 is provided up to this point, since this position is low, the sucked air contains much dust. Therefore, as shown in FIGS. 1, 9 and 10, an intake port 19a is formed in the rear column 19 standing upright at the rear of the cabin 1 so that air can be taken in from a higher position. This air is guided by the guide pipe 21 into the intake duct 22. As a result, a large amount of air from the intake port 20a with a small dust content is taken in, and the air with a large dust content from the intake port 19a is reduced due to weakened wind pressure by the amount of air introduced from the intake port 20a. As a whole, the content of dust in the intake air into the radiator is reduced, and the time and effort required for cleaning the radiator port 23 are reduced.

[0015]

Since the present invention is configured as described above, it has the following effects. That is, as in claim 1, the space in the rear of the seat in the cabin is used and the rear surface of the cabin is recessed, so that the condenser cooling chamber can be easily formed,
By providing the condenser cooling chamber at this position, there is no need to provide a condenser installation space in the engine room, so there is no gap between the cabin rear and the front of the Glen tank, and the Glen tank operation panel is installed on the rear of the cabin. By doing so, the Glen tank can be operated in the cabin. Further, if the condenser cooling chamber is provided with a lid, maintenance work of the condenser can be easily performed in the cabin. By disposing the condenser in the condenser cooling chamber, the situation in which the engine room is warmed by condenser cooling is eliminated, and engine efficiency is improved.

Further, according to a second aspect of the present invention, in this condenser cooling chamber, the unit in which the condenser and the exhaust fan are integrated is arranged in a slanted shape in a side view, so that cooling is possible without taking up a front and rear arrangement space. The power condenser can be exposed to intake air, and by providing an intake port above this unit, clean outside air with a relatively small dust content above can be smoothly drawn in through the intake port, and
The air heated by condenser cooling can be turned downward and discharged.

Further, according to the third aspect of the invention, the condenser and the fan can be easily attached and detached in the condenser cooling chamber without attaching and detaching the condenser and the fan separately, and the maintenance work is facilitated. .

[Brief description of drawings]

FIG. 1 is an overall side view of a combine.

FIG. 2 is a side view of a cabin provided with the condenser cooling unit of the present invention.

FIG. 3 is a rear view of the same.

FIG. 4 is a plan view of the same.

FIG. 5 is an internal side view of a condenser cooling unit.

FIG. 6 is a rear view of the condenser unit CU.

FIG. 7 is a plan view of the same.

FIG. 8 is a bottom view of the same.

FIG. 9 is a schematic internal side view showing an air intake structure of an engine room.

FIG. 10 is a schematic front view of the same.

[Explanation of symbols]

 CU Condenser unit 1 Cabin 1a Condenser cooling chamber 1b Intake port 1c Exhaust port 1d Lid 2 Condenser 3 Exhaust fan 4 Fan frame 7 Mounting stay 7a Pivot pin 8 Bolt

Claims (3)

[Claims] 1. A condenser cooling unit in a cabin, wherein a condenser cooling chamber of an air conditioner, which is formed by recessing a rear surface of the cabin, is provided in a rear portion of a seat in the cabin. 2. In a condenser cooling chamber of an air conditioner formed in a cabin, a unit in which a condenser and an exhaust fan are integrated is arranged in an inclined shape in a side view, and an intake port is provided above the unit. The condenser cooling section inside the cabin. 3. A condenser cooling unit in a cabin, comprising a unit in which a condenser and an exhaust fan are integrated so that the unit can be mounted in a condenser cooling chamber of an air conditioner formed in the cabin.