JPH1178513A - Capacitor fan driving device for combine or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To increase the cooling function of a capacitor so as to increase the cooling effect of an air conditioner by automatically driving, when the rotational speed of an engine is reduced to be lower than a specified value during combine work, a capacitor fan. SOLUTION: In a controller CR for drive-controlling the motor of a capacitor fan 2, an engine rotation sensor 27 for detecting an engine rotational speed and an air conditioner switch 28 or the like are provided, and by detecting a specified low rotational speed lower than a rotational speed necessary for the reaping and threshing work of a combine by the engine rotation sensor 27, the motor is driven to rotate the capacitor fan 2. When the engine rotation sensor 27 detects a high rotational speed necessary for combine work exceeding the specified low rotational speed, the motor is stopped. By the rotation of the capacitor fan 2 or a radiator fan, sucked external air cools an oil cooler, the capacitor, the radiator or the like by wind.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a combine,
The present invention relates to a driving device for a condenser fan for air-cooling a condenser for an air conditioner such as a tractor.

[0002]

In the combine work,
After accommodating the harvested and threshed grains in the Glen tank, for example, when removing the grains in the Glen tank to the outside of the machine with a threshing auger, the rotation of the engine is in a reduced state.
In addition, since the windows and doors are often opened in the cabin, the temperature inside the cabin tends to increase.

[0003]

The present invention relates to an engine E
A fan room 3 having a condenser fan 2 is interposed in front of a radiator 1 of
And a drive unit for driving the condenser fan 2 when the rotation of the engine E is reduced.

[0004]

When the rotation of the engine E is reduced below a certain level during the combine operation, the condenser fan 2 is automatically driven, and the cooling function of the condenser 5 is enhanced to improve the air conditioner. 4 can enhance the cooling effect. Therefore, the cooling function of the air conditioner 4 that is lowered due to the decrease in the rotation of the engine E can be supplemented, and the configuration is simple.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An engine E of a combine is mounted on a front portion of one side of a vehicle body 6, and its outer periphery is covered with an engine cover 7 to form an engine room 8. A cockpit 9 is provided above the engine cover 7. A step floor 10, a cockpit 11 and the like are arranged in front of the vehicle, and a cabin 12 is provided so as to cover the cockpit 9, the step floor 10, the cockpit 11 and the like. The cabin 12 has an openable and closable door 13 on the outside, and a front glass 15, a rear glass 16, a side glass 17 and the like can be opened and closed on the front side, the rear side, and the culm conveying device 29 side of the reaper 14, respectively. Is provided.

On the outer side of the engine room 8, there is provided a dustproof cover 20 having an inner and outer double dustproof net 19 constituting an intake chamber 18. The dustproof cover 20 is rotated by a radiator fan 21 located inside the radiator 1. The outside air is sucked from the dustproof cover 20 and the radiator 1 is passed through to cool the engine E. Reference numeral 22 denotes a fan belt for transmitting the radiator fan 21.

[0007] Outside the radiator 1, an intake chamber 18 is provided.
A fan room 3 is formed between the two, and the oil cooler 23 is arranged on the upper side and the condenser 5 is arranged on the lower side so as to approach the dustproof net 19. The condenser fan 2 is attached to a bracket 24 hanging from the engine cover 7 in the center of the fan room 3 and is driven by the electric motor M to switch between forward and reverse rotation. 25 is a bracket for mounting the oil cooler 23.

The condenser 5 is provided with an air conditioner 4 comprising a cooling unit mounted on a roof 26 of the cabin 12.
The air conditioner 4 is connected to a pipe, and radiates the refrigerant pressure-fed from a compressor provided in the engine room 8 through wind generated by the rotation of the condenser fan 2.
To be reduced to The oil cooler 23 cools oil used in a hydraulic continuously variable transmission, a hydraulic circuit, and the like.

A controller CR for controlling the driving of the motor M of the condenser fan 2 is provided with an engine rotation sensor 27 for detecting the number of revolutions of the engine E, an air conditioner switch 28, and the like. The motor M is driven to rotate the condenser fan 2 by detecting a constant low rotation speed lower than the rotation speed necessary for the mowing and threshing work. When the engine speed sensor 27 exceeds a certain low speed and reaches a high speed required for the combine operation, the motor M is stopped.

By the rotation of the condenser fan 2 and the radiator fan 21, the outside air sucked through the dustproof net 19 flows into the fan room 3 through the oil cooler 23, the condenser 5 and the like, and further passes through the radiator 1 to the engine. It flows into the room 8 and these oil coolers 2
3. Cool the condenser 5, the radiator 1, and the like. In the driving control of the motor M by the controller CR, in a mode in which the condenser fan 2 is constantly driven to rotate forward, the engine rotation sensor 27 detects a low rotation to drive the motor M from the normal rotation to the reverse rotation. ,
The condenser 5 and the oil cooler 23 are blown in a direction opposite to the wind direction of the radiator fan 21 to cool the condenser 5 and the oil cooler 23 and the like.
A configuration is also possible in which a blowing wind in the opposite direction is caused to flow through the dustproof net 19 to clean straw dust and the like adhering to the outer surface. Thereby, the cooling effect of the condenser 5, the oil cooler 23, and the like can be enhanced.

Reference numeral 39 denotes a pair of left and right crawler traveling devices below the vehicle body 6, and 30 denotes a threshing device.
Of the cereal stalks conveyed from the feed chain 31
The spikes are fed into the handling chamber 33 below the threshing cover 40 and threshed while being transported backward along the grain culm transfer port. Reference numeral 34 denotes a Glen tank mounted in the rear of the engine room 3 for receiving and accommodating the grains extracted by the threshing apparatus 30 for threshing. A vertical dumping auger 35 and a swivelable horizontal dumping auger 36 at its upper end are connected to the rear side of the Glen tank 34.
The grains inside can be discharged from the discharge port 37 at the tip. 38 is a storage auger receiver.

[0012] During the harvesting operation of the combine, the operator stays in the cabin 12 to perform the steering. At this time, the engine E is driven to a rotation speed suitable for the combine operation, and the air conditioner 4 also has an appropriate cooling capacity. When the harvesting operation of the combine is completed and the threshing in the Glen tank 34 is performed, the pilot once goes out of the cabin 12 or opens the rear glass 16 and the side glass 17 and the like, and the threshing port 37 of the lateral auger auger 36.
You may check the position of the pilot. When such a mowing operation is temporarily stopped, the rotation of the engine E is reduced, so that the rotation sensor 27 detects a low rotation and drives the condenser fan 2 or drives the condenser fan 2 from the normal rotation to the reverse rotation. Thus, the cooling function of the air conditioner 4 can be enhanced as described above.

FIG. 5 is different from the above example in that the condenser 5 is provided on the upper surface of the threshing cover 40 to improve the air cooling effect. A condenser fan 41 provided on the upper surface of the threshing cover 40 at appropriate intervals 42, and a condenser fan 2 driven by a motor M on the condenser receiver 41;
The capacitor 5 is provided, and is provided so as to be covered with the capacitor cover 43 from above. A ventilation net 44 is formed in the capacitor receiving base 41 and the capacitor cover 43, and ventilation holes 45, 46, 47 and the like are formed in front, rear, left and right of the capacitor receiving base 41. The outside air sucked from 44 is blown out from the space 42 to the vents 46 and 67 through the condenser 5. Further, when the combine runs, outside air guided from the front vent 45 is passed through the rear vent 46 to enhance the cooling effect of the condenser 5.

6 and 7 are different from the above example in that:
A washer tank 48 is provided on the threshing cover 40 near the window of the rear glass 6 of the cabin 12 to facilitate water supply, inspection, and the like from the window. 49 is a cap,
50 is a gauge pipe for water detection. In addition, the rear glass 6 has a damper 51, and can be opened by rotating the lower end of the rear glass rearward around the upper hinge 52. At the lower end on the inner side of the rear glass 6, hooks 55 which can be turned by a handle 54 are provided on a bracket 53, and these hooks 55
And the handle 54 are engaged with a stopper 57 integrated with the window frame 56 of the cabin 12 and pressed by the resilience of the damper 51, whereby the rear glass 6 is closed when the hook 55 is engaged, and the handle 54 is closed. In the engagement of, the ventilation can be improved by setting the interval A to a half-open state.

In FIG. 8, a different point from the above example is that a cup holder 59 is provided at a corner 58 where a front part and a side part of the control table 11 intersect. Reference numeral 60 denotes an operation lever for raising and lowering the steering and harvesting device 14, 60 denotes a meter panel disposed inside the corner 58, 61 denotes a cutting threshing clutch lever, 6
Reference numeral 2 denotes a traveling shift lever. The corner 58 is located inside the cabin 12 and inside the intersection between the windshield 15 and the side glass 17. The cup holder 59 has a hole of an appropriate depth on the upper surface of the control table 11 for fitting and holding a coffee cup or the like.

FIG. 9 is different from the above example in that the side glass 17 is guided by a window groove 64 of a sash window frame 63 so that it can be opened and closed by sliding it back and forth. In the 63 part, the window groove 65
A fixing window 66 made of a polycarbonate material is fixed with an adhesive 67. Since the fixing window 66 is made of a polycarbonate material and fixed with the adhesive 67, the fixing window 66 is hardly damaged and is lightweight. Reference numeral 68 denotes a lock lever for the side glass 17.

In FIG. 10, the difference from the above example is that a sash frame 70 having a girder cross section is provided on a cabin frame 69 on which a window frame 63 for providing the side glass 17 of the cabin 12 is provided, and a spacer 71 is provided outside the sash frame 70. The window frame 63 is mounted with interposition. 72 is a trim, 73 is an interior material, and 74 is a double-sided adhesive tape, which bonds the joining edge between the sash frame 70 and the window frame 63. The trim 72 is fitted so as to cover the outer portion.

In FIG. 11, the difference from the above example is that the opening and closing of the door 13 of the cabin 12
5 and 76 are switching structures that can be opened and closed by the front hinge 75 in normal times and widely opened and closed by the rear hinge 76 during maintenance. This switching can be performed by inserting and removing the rear hinge 76 from the cabin frame 77 bracket 78 with the lock pin 79. Further, the opening position of the door 13 by the rear hinge 76 is controlled by a stopper 80 so as not to collide with the rear Glen tank 34.

In many cases, the door 13 of the cabin 12 is provided at a position in which the door 13 enters the outside of the outer surface of the rear Glen tank 34. Therefore, when the door 13 is turned backward and opened, the hinge 13 is used. The door opening varies depending on the front and rear positions. For this reason, when the front hinge 75 is opened greatly, the rear hinge 76 is rotated, and the front hinge 75 is further moved with respect to the rear hinge 76.
By rotating the door 13, the door 13 is moved to the Glen tank 34.
Can be widely opened along the outer surface of the vehicle.

The rear hinge 76 positions the hinge pin 81 at the rear end of the cabin frame 77 and the front hinge 75
The hinge pin 82 is provided at the front end of the rear hinge 76 so as to be located at an appropriate distance in front of the rear hinge 76. A hole 83 for fitting to the bracket 78 is provided at an intermediate portion of the rear hinge 76, and a lock pin 79 is inserted into a pin hole of the fitted bracket 78.
, The rear hinge 76 can be fixed in the closed position. By removing the lock pin 79, the rear hinge 76 can be turned outward.

The stopper 80 protrudes outward from the rear end of the cabin frame 77, and
6 is opened. At this time, the hole 85 of the front hinge 75 is fitted into the distal end portion 84 of the stopper 80, and the lock pin 79 is replaced 86 with the pin hole of the distal end portion 84. Can be fixed. In FIG. 12, the point different from the above example relates to the mounting configuration of the striker 87 for engaging the opening / closing hook of the door 13,
Mounting bracket 8 on door pillar 88 of cabin frame
At 9 attach by screwing. This mounting bracket 8
At 9, a mounting piece 90 protrudes outward, and a striker plate 91 with a striker 87 integrated therewith is mounted to this mounting piece 90 with a screw 92. or,
The striker plate 91 can be moved and adjusted along the direction of the striker 87 and is adjusted according to the degree of closing of the door 13. Such a striker 92 and a mounting bracket 89 are mounted with their front ends facing the upper and lower sides of a handle 93 fixed along the front of the door pillar 88, and their rear ends are mounted on a handle 94 on the control board 11. Bracket 9
5 to enhance the rigidity of the striker 87 as well as the door pillar 88 to stabilize the function. The mounting bracket 89 of the striker 87 is integrally formed with the bracket 95 of the handle 94 so that the cabin 12
It may be configured to be attached to the door pillar 88 or the control board 11 with screws or the like.

[Brief description of the drawings]

FIG. 1 is a block diagram of condenser fan control.

FIG. 2 is a front view of a condenser fan unit.

FIG. 3 is a right side view of the combine.

FIG. 4 is a left side view thereof.

FIG. 5 is a perspective view and a front view of a capacitor part showing a partially different embodiment.

FIG. 6 is a perspective view of a cabin showing another embodiment.

FIG. 7 is an inner perspective view of a part thereof and a side view showing an operation.

FIG. 8 is a perspective view of a control table.

FIG. 9 is an inner perspective view of a side glass part and an enlarged front sectional view of a part thereof.

FIG. 10 is a front sectional view of a side glass window frame portion showing a partly different embodiment.

FIG. 11 is a plan view and a side view of a cabin door.

FIG. 12 is a perspective view of a striker unit for opening and closing the door, and a side view of a part thereof.

[Explanation of symbols]

 Reference Signs List 1 radiator 2 condenser fan 3 fan room 4 air conditioner 5 condenser E engine

Claims (1)

[Claims] 1. A condenser 5 of an air conditioner 4 is provided on a front side of a radiator 1 of an engine E with a fan room 3 having a condenser fan 2 interposed therebetween so as to drive the condenser fan 2 when the rotation of the engine E decreases. Combined capacitor fan drive.