JPH05223452A - Loaded grain detecting device for grain drier - Google Patents

Abstract

PURPOSE:To detect an amount of grains with which a grain storage chamber is loaded through a simply constituted loaded amount sensor. CONSTITUTION:A plurality of conduction members 10a, 10a... and 10b 10b... are arranged vertically of film sheets 9a and 9b on both sides. A film sheet 9c is located between the film sheets 9a and 9b the conduction members 10a, 10a... and 10b, 10b... pressed by grains are brought into contact with each other through holes 12, 12... of a plurality of spacers 13, 13... arranged to the film sheet 9c. The conduction members are brought into an energized state being an ON-state, and through the turning-ON, an amount of loaded grains is detected. The condition members 10a, 10a... and the conduction members 10b, 10b... arranged to the film sheets 9a and 9b are brought into contact with each other to produce an ON-state being an energized state and an amount of loaded grains is detected. This constitution simplifies structure, reduces a cost, and prevents the occurrence of a trouble.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain detection device for a grain dryer.

[0002]

2. Description of the Related Art Conventionally, hot air is exposed to and dried by passing hot air through the drying chamber while letting it flow out from the grain storage chamber to the grain drying chamber. To detect the amount of spilled grains in the room, a plurality of pressure switch type swelling amount sensors are provided in the vertical direction at predetermined intervals on the inner surface of the machine wall forming the storage chamber. The sensor is pushed by the grain and this pressure switch is turned on,
The stuck-in grain detecting device detects that the grains are stuck up to the position in which the ON state is reached.

[0003]

The grains stored in the grain storage chamber of the grain dryer are fed from the storage chamber through the grain drying chamber while hot air passes through the drying chamber. When exposed to this hot air and dried, and the grain being dried reaches the finishing target moisture, the dryer is stopped and the drying of the grain is stopped.

If this drying operation is, for example, a model in which 20 stones are laid and dried, then grain loading is started and the laid grain causes the lowest tension on the inner surface of the machine wall of the storage chamber. When the pressure switch of the stake amount sensor installed at 6 stones in the middle, 8 stones in the middle, 12 stones, 16 stones and the maximum 20 stones are sequentially pressed by the swelling grain and turned on, the grain becomes the maximum. The amount of stake in 2
When it is detected that the stone has been stretched to the 0 stone position, the suspension is stopped,
The hot air temperature and the like are set in the grain according to the amount of the detected 20 stones, and the grain is dried. When the pressure switch of the stake amount sensor at the position of 16 jewels is turned on and the pressure switch of the stake amount sensor at the position of 20 jewels is not turned on, the amount of grain infused is 16 jewels. Is detected, and the hot air temperature or the like is set according to the detected amount of the 16 stones infused and dried.

It is an object of the present invention to provide a stuck-in grain detecting device for reducing the cost and surely detecting the stuck-in amount sensor for detecting the stuck-in grain amount by using a simple mechanism.

[0006]

According to the present invention, the grains are fed from an upper grain storage chamber 7 to a lower grain drying chamber 22 and flowed down and conveyed to an upper portion by a grain elevator 14 to store the same. While circulating hot air to the drying chamber 22 for drying, a plurality of film members 9a are provided in the storage chamber 7 in a suspended state so that a plurality of conductive members 10a are vertically connected to each other at predetermined intervals. A film plate 9b having a plurality of conductive members 10b individually provided at predetermined intervals in the vertical direction, and the film plates 9a,
In a grain dryer provided with a stake amount sensor 8 composed of film plates 9c having a plurality of spacers 13 each having a hole 12 in the center between 10b at predetermined intervals, the spacers are pushed by the swelled grains. The electrically conductive members 10a, 10a ... And the electrically conductive members 10b, 10b ... Contact each other through the holes 12, 12 ... Portions of the spacers 13, 13 ,. A stuck grain detecting apparatus is characterized by detecting the amount.

[0007]

The grains stored in the grain storage chamber 7 of the grain dryer are fed out of the grain drying chamber 22 from the storage chamber 7 and flowed down, and are conveyed to the upper portion by the grain raising machine 14 and While the hot air passes through the drying chamber 22 while being circulated in the storage chamber 7, the hot air is exposed to the hot air and dried, and when the grain being dried reaches the finishing target moisture, the dryer is stopped and the grain is dried. Grain drying is stopped.

If this drying work is, for example, a model in which 20 stones are put in and dried, then the placing of the grain is started and the suspended grain is provided in a suspended state in the storage chamber 7. 6 pieces of film film 9a, 8 stones, 12 stones, 1
Each of the conductive members 10 provided at the position of 6 stones and the maximum tension of 20 stones
a, 10a ... and 6 of the lowest tension position of the film plate 9b
Stones, 8 stones on the way, 12 stones, 16 stones, and the respective conductive members 10b, 10b provided at the positions of 20 stones at the maximum tension, and 6 stones at the lowest tension of the film plate 9c, 8 stones at the middle, 12 stones, 1
6 stones and each spacer provided at the 20 stones of maximum tension 1
Through the holes 12, 12, etc. of 3, 13, ..., from the position of 6 stones with the lowest tension to the position of 20 stones with the highest tension, and when they are energized and turned on, the grain Maximum stake in 20
It is detected that the stone has been stretched to the stone position, the suspension is stopped, and the hot air temperature or the like is set according to the detected amount of the steeped grains of 20 stones, and the stone is dried. Further, the conductive members 10a, 10a ... And the conductive members 10b, 10b ... At 16 stone positions or less are brought into contact with each other through the holes 12, 12 ... Portions of the spacers 13, 13 ,. Is turned on, and when the conductive member 10a and the conductive member 10b at the position of 20 stones do not come into contact with each other and do not become a current-carrying state, it is detected that 16 stones have been stuck in the amount of grain to be stuck, and this was detected. The hot-air temperature and the like are set according to the amount of the 16 grains to be dried, and the grain is dried.

[0009]

The film plate 9a provided in a suspended state,
When the conductive member 10a and the conductive members 10b, 10b ... Provided at a predetermined number of stones contact the 9b through the holes 12, 12 ... Portions of the spacers 13, 13 ,. Detecting the amount of spilled grains allows the mechanism to be simplified, resulting in a significant cost reduction. Also, the simple mechanism enables the detection of the amount of spilled grains reliably without failure. it can.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The illustrated example is a circulation type grain dryer 1 for drying grains.
It shows a state in which a moisture sensor 2 for detecting grain moisture, a burner 3 for generating hot air, and the like are attached. The dryer 1 has a rectangular shape that is long in the front-rear direction, and a transfer gutter 5 in which a transfer spiral is rotatably installed in the upper part of the machine wall 4 and the transfer gutter 5.
Ceiling plates 6 and 6 are provided on both the left and right sides of the, and a grain storage chamber 7 for storing grains is formed below the ceiling plates 6 and 6.

The stuck amount sensor 8 of the stuck grain detecting device is suspended from the upper end of the machine wall 4 forming the storage chamber 7 into the storage chamber 7 at a position diagonal to the grain elevator 14. It is provided in the state. The swelling amount sensor 8 is provided with a film plate 9a made of a resin material such as a polyester material and having a predetermined width on one side, and square conductive members 10a and 10a are provided at the center of one side surface of the film plate 9a. ...... with a predetermined number of stones at a predetermined interval, for example, a model that processes 20 stones, a minimum of 6 stones,
8 stones, 12 stones, 16 stones and a maximum tension of 20 stones are provided so as to be connected to each other on the way, and a reinforcing plate 11a having high tensile stress and high flexibility, for example, a nylon material, is provided on the other side surface,
It is formed integrally with the film plate 9a. On the other side, a film plate 9b made of a resin material, for example, a polyester material, having a predetermined width is provided, and square conductive members 10b, 10b ... Are provided at predetermined intervals at the center of one side surface of the film plate 9b. A reinforcing member 11b made of, for example, a nylon material or the like, which is provided independently at the same position as the film plate 9a and has high tensile stress and high flexibility on the other side surface,
It is formed integrally with the film plate 9b. The conductive members 10a, 10a ... And 10b, 10b ... Are made of a conductive rubber material, and are provided by being applied or attached to the film plates 9a, 9b.

A film plate 9c made of polyester or the like having a predetermined width is provided between the film plates 9a and 9b, and a spacer 13 having a hole 12 in the center is provided at a predetermined interval in the center of the film plate 9c. With a certain number of stones, the film plate 9
A reinforcing member 11c made of, for example, a nylon material having a high tensile stress and a high flexibility is integrally formed with the film plate 9c on one side surface of the film plate 9c. .. The conductive member 10 of the film plate 9a
a, 10a ... When pressed by the grain, the film plate 10
via the holes 12, 12 ... of the spacers 13, 13 ... of the c, the conductive members 10a, 10a.
0b, 10b, etc. are contacted with each other to be energized and turned on.

The film plate 9c and the reinforcing member 11
.. may be omitted and the spacers 13, 13 ... May be attached to the film 9a at predetermined intervals at predetermined stone counts.
As for the film plates 9a and 9b, as shown in FIGS. 6 and 7, one end of the joining portion at the tip end is formed into a printed circuit board 15 method to increase the strength of the joining portion, and the other side is a card edge connector 16 method. As a lead wire 17, a lead wire 17 is connected to the operating device 28.

The film plates 9a, 9b, 9c are provided with weights or springs at the lower ends of the suspensions to prevent loosening of the film plates 9a, 9b, 9c. The conductive member 10a of the film plate 9a,
10a ... Reinforcing member 11a on the side opposite to the mounting surface
13 and 14, a pressure collecting member 18 for concentrating the pressure of the grain is provided to facilitate the contact of the conductive members 10a, 10a ... With the conductive members 10b, 10b. Good.

The full amount sensor 19 is pushed by the grain and turned ON-O in order to detect the full amount state of the grain in the storage chamber 7.
A pressure switch for FF is provided, and when it is turned on, the full amount is detected. The full sensor 19 is provided below the bottom plate of the transfer gutter 5, and the dryer 1 is divided into a deluxe specification and a standard specification. In the standard specification, the full sensor 19 and the overhang sensor 8 are provided. Both are provided. The standard specification is provided with only the full sensor 19. The relay box 20, as shown in FIGS. 15 and 16,
The transfer gutter 5 is provided on the upper side of the upper plate, and the converter board 21 is detachably provided in the relay box 20. In the case of the deluxe specification, the full amount sensor 19 and the swelling amount sensor 8 are inserted through the converter substrate 21. And both are connected. If the standard specifications, the converter board 2
1 is removed and only the full sensor 19 is directly connected.

The grain drying chambers 22 and 22 are provided below the storage chamber 7 between the left and right air exhaust chambers 23 and 23 and the central air blowing chamber 24, and below the drying chambers 22 and 22. Each of the feeding valves 25 for feeding and dropping the grains is rotatably supported. The grain collecting trough 26 rotatably supports a transfer spiral, and is provided below the drying chambers 22 and 22 to communicate with each other.

The burner 3 is installed inside a burner case 27, and the burner case 27 is detachably attached to the outer surface of the machine wall 4 so as to correspond to the inlet side of the blower chamber 24 on the front side of the machine wall 4. Further, the burner 3, the moisture sensor 2 and the dryer 1 are detachably provided on the machine wall 4 on the front side so as to start and stop the operation for each work of loading, drying and discharging. There is.

The wind blower 29 is provided on the wind blower chamber 31 at the center rear side, which is provided on the rear side machine wall 4 so as to communicate with the left and right wind blow chambers 23, 23. On the side machine wall 4, an exhaust fan motor 3 for rotationally driving the exhaust fan 29 is provided.
2 is provided. A valve motor 33 rotationally drives the delivery valves 25, 25 through a speed reduction mechanism.

The fuel pump 34 has a fuel valve,
The fuel pump 34 is provided outside the lower plate of the burner case 27, and by opening and closing the fuel valve, the fuel in the fuel tank 35 is sucked by the fuel pump 34 and supplied to the burner 3. The blower 36 is provided on the outer side of the upper plate, and is provided with the blower motor 3 for shifting.
A variable speed rotation drive is performed by 7, and combustion air corresponding to the supplied fuel amount is blown to the burner 3 by the blower 36.

The diffusion plate 38 is provided at the center of the bottom plate of the transfer gutter 5 in the front-rear direction, below the supply port for supplying the transfer grains to the storage chamber 7, and evenly spreads the grains into the storage chamber 7. I'm giving back. The grain raising machine 14 is provided on the outside of the front side of the machine wall 4 by being supported by a support fitting 39 on the upper end of the machine wall 4, and a belt with a bucket conveyor 40 is stretched inside thereof. Is provided with a throw-out cylinder 41 to communicate with the starting end of the transfer gutter 5, and the lower end is the grain collecting gutter 26.
A supply gutter 42 is provided between the end portion and the end portion to communicate with each other.

Reference numeral 43 denotes a grain elevator motor, which rotationally drives the belt with the bucket conveyor 40, the transfer spiral in the transfer gutter 5, the diffusion plate 38, the moving spiral in the grain collecting gutter 26, and the like. .. As shown in FIG. 10, the ceiling plate 6 is provided with a protruding portion 44 ′ that protrudes upward from a portion that covers the support fitting 39 of the grain submersible machine 14. When it is used on the side, the protruding portion 44 ′ is in a state of covering the swelling amount sensor 8 portion.

The ceiling plate 6 may be provided with a plurality of mounting holes for mounting the swelling amount sensor 8 so that the swelling amount sensor 8 can be moved in the vertical direction. The moisture sensor 2 is
The moisture sensor 2 is provided substantially in the central portion in the up-down direction of the grain raising machine 14. The moisture sensor 2 is rotated by the transmission of an electrical measurement signal from the operating device 28, and each portion of the moisture sensor 2 is rotationally driven. The bucket conveyor 40 receives the grains that are falling while being conveyed upward, and while the grains are crushed and crushed, the water content of the crushed grains is detected.

The operating device 28 has a box shape, and the dryer 1, the moisture sensor 2, the burner 3 and the like are put on the surface plate of the box body, and the starting operation is performed for each operation of drying and discharging. Switch 45, stop switch 4 for stopping operation
6. Moisture setting scoop 47 for setting the finishing target moisture of the grain by the operating position, Grain type setting scoop 48 and setting amount for the hot air temperature generated from the burner 3 by the operating position A display unit 50 for digitally displaying the display items and a monitor display are provided.

The control device 51 is provided in the operation device 28, and the detection values detected by the moisture sensor 2 and the hot air temperature sensor 52, the detection of the ON state of the swelling amount sensor 8 and the switches 45 and 46. Operation and setting knobs 47, 4
Operations such as 8 and 49 are input, and the CPU 53 and the like perform arithmetic and logical operations and comparison operations on these inputs.
In U53, the motors 32, 33, 37, 43, 44,
The fuel valve, the fuel pump 34, and the like are configured to be started, stopped, and controlled. Each setting pick 47,4
Reference numerals 8 and 49 are rotary switch systems, and predetermined numerical values, types, etc. are set according to the operation position.

The operation of the above embodiment will be described below. By operating the setting scoops 47, 48, 49 of the operating device 28 to predetermined positions and operating the start switch 45 for starting the drying operation, the respective parts of the grain dryer 1, the burner 3,
The moisture sensor 2 and the like are started, hot air is generated from the burner 3, and the hot air is blown from the air blowing chamber 24 into the grain drying chambers 22 and 22.
Through the exhaust air chambers 23, 23 and the exhaust air passage chamber 30, and is sucked and exhausted by the exhaust fan 29.

The grains stored in the grain storage chamber 7 are dried by being exposed to the hot air while flowing down from the storage chamber 7 into the drying chambers 22 and 22, respectively, and fed by the feeding valves 25 and 25. It is fed out to the lower part and flows down, and is transferred from the grain collecting gutter 26 through the supply gutter 42 into the grain raising machine 14 by the lower transfer spiral, and is supplied to the upper part by the bucket conveyor 40 and transferred through the throwing pipe 41. The water sensor is supplied into the gutter 5, and is transferred and supplied from the transfer gutter 5 onto the diffusion plate 38 by an upper transfer spiral, and is uniformly diffused and reduced into the storage chamber 7 by the diffusion plate 38, circulated and dried, and the moisture sensor is supplied. The grain moisture detected by 2 is the moisture setting scoop 47
When the same grain moisture as the finishing target moisture set by operating is detected, it is detected that the drying is completed, the controller 1 automatically controls the dryer 1 to automatically stop, and the drying of the grain is stopped. It

In the stake operation in the first stage of the drying operation, for example, in the case of a model in which 20 stones are squeezed and dried, the stake of the grain is started, and the storage chamber 7 is loaded by the spilled grain. The conductive members 10a, 10a ... And the conductive members 10b, 10b.
The maximum tension of 20 is reached through the holes 12, 12 of
When the stone positions come into contact and become energized and turned on, the grain is detected as being stretched to the maximum stone position of 20 stones and the suspension is stopped. The hot air temperature and the like are set according to the amount of particles and drying is performed.

Further, the conductive member 10a and the conductive member 10b at the position of 16 stones are brought into contact with each other through the hole 12 to be in a conductive state and turned on, and the conductive member 10a and the conductive member 10b at the position of 20 stones are turned on. Does not turn on without contacting with and turns off
If it is, it is detected that the amount of grain is 16 stones,
The hot air temperature and the like are set according to the detected amount of 16 grains of the overlaid grain, and the grain is dried.

[Brief description of drawings]

 The figure shows an embodiment of the invention.

FIG. 1 is an enlarged cross-sectional view of a part of a stuck amount sensor.

FIG. 2 is an operation diagram of a stuck amount sensor.

FIG. 3 is an enlarged front view of a part of the stuck amount sensor.

FIG. 4 is an enlarged front view of a part of the stuck amount sensor.

FIG. 5 is an enlarged front view of a part of the stuck amount sensor.

FIG. 6 is an enlarged perspective view of a part of the stake amount sensor.

7 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 8 is an overall side view of the grain dryer, which is partially broken.

9 is an enlarged cross-sectional view taken along the line BB of FIG.

FIG. 10 is a perspective view of a part of the grain dryer.

FIG. 11 is an enlarged front view in which a part of the grain dryer is partially broken.

FIG. 12 is a block diagram.

FIG. 13 is an enlarged cross-sectional view of a part of a stake amount sensor showing another embodiment.

FIG. 14 is an enlarged front view of a part of a squeeze amount sensor showing another embodiment.

FIG. 15 is an enlarged perspective view of a relay box.

FIG. 16 is a circuit diagram of a relay box or the like.

[Explanation of symbols]

 7 Grain Storage Chamber 8 Straining Sensor 9a Film Plate 9b Film Plate 9c Film Plate 10a Conductive Member 10b Conductive Member 11a Reinforcing Member 11b Reinforcing Member 11c Reinforcing Member 12 Hole 13 Spacer 14 Grainer 22 Grain Drying Room

Claims (1)

[Claims] 1. Grains are fed from an upper grain storage chamber 7 to a lower grain drying chamber 22 and flowed down and conveyed to an upper portion by a grain raiser 14 to circulate through the storage chamber 7 to dry hot air. Room 22
A plurality of film plates 9a and a plurality of conductive members 10b are provided in the storage chamber 7 in a suspended state so as to be vertically connected to each other at predetermined intervals while being dried. Film plates 9b individually provided at intervals,
And a grain drying machine provided with a stake amount sensor 8 composed of a film plate 9c in which a plurality of spacers 13 having a hole 12 in the center are provided at predetermined intervals between the film plates 9a and 10b. The conductive member 10 is pressed by the grain
a and 10a ... and the conductive members 10b, 10b ... Contact through the holes 12, 12 ... Portions of the spacers 13, 13 ... An embedded grain detection device characterized by the above.