JPS6099378A - Output display device for color selector - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to an improvement in the output display signal of a color sorter.

Conventionally known color sorting machines emit light from a light source onto grains and foreign matter mixed in the grains, such as different-colored grains and foreign particles other than grains, detect the amount of light with a light receiving element, and detect the detection signal. is input into the control circuit, the reference value set in the control circuit is compared with the detection signal of the light receiving element, and a signal of unusually colored particles other than the reference value is sent to the injection device, and the injection nozzle of the injection device is activated to detect the unusual color. This is the amount of light emitted from the light source to the sorted particles, which separates the particles.

In order to check whether the background color scheme and the reference values are appropriate, the output waveform of the detection signal from the light receiving element was inspected using an A cilloscope. lJ! Moreover, the adjustment of each part can only be handled by a person with considerable electrical knowledge.

The present invention has been devised and improved in view of the above-mentioned drawbacks, and a light receiving element is linearly connected to a plurality of light emitting diodes of a display board arranged in series to illuminate falling particles. The light receiving element detects the change in the amount of light obtained by the detection signal, and in response to the detection signal, a corresponding number of the plurality of light emitting diodes are operated in stages to display the light reception detection (6) in stages. and also controls the operation of the injection device tll'? A plurality of light emitting diodes for displaying a reference value are connected linearly with an adjustment dial, and the light emitting diodes are arranged in parallel with the light emitting diodes of the detection m display section provided on the display board to display the reference value. It is an object of the present invention to provide a display device that forms a display section and allows anyone to easily check the detection state of a light receiving element and the setting state of a reference value of an injection device.

To explain the present invention with reference to embodiment figures, in FIGS. 1 and 2, the reference numeral 1 in the figures is a sorting machine frame,
It is installed in a vibrating grain feeder 3 equipped with a vibration device 2 on the upper part, and a supply hopper 4 is provided on its supply side, and a drainage gutter 5 connected in a dogleg shape is installed and fixed on its discharge side. A light receiving element 7.8, an injection nozzle 9 of an injection device 14 and a light mi are attached to the lower part of the gutter 5 on its side wall 6.

are connected to the chamber frame 12 of the photoelectric sorting chamber 11 in which the light-receiving elements 7. 8 and communicates the detection signal to the control circuit 13 to operate the injection nozzle 9 of the injection device 14,
Different color particles are separated by the blast action of the nozzle 9 (discharged from the different color particle outlet 15 at the bottom of the empty frame 12, and the sorted particles are taken out of the machine from the sorted grain outlet 17 of the grain collection barrel 16). A plurality of photoelectric sorting chambers 11 are arranged in parallel and integrally formed within the sorting machine frame 1.

Next, the electric circuit diagram shown in FIG. 3 will be explained.

The input side branch terminal 18 from the light receiving element 7.8 of the control circuit 13 is connected to the rectifier circuit 20 via the input switching circuit 19, and the output side of the circuit 20 is connected to the peak value detection circuit 21 and its signal is connected to the rectifier circuit 20 via the input switching circuit 19. U through a hold circuit 22 that extends
The operating voltage within the A/D converter 23 is linearly connected to the input side of each comparator 24a, 24B, 24c, .
, 24b, 24c...
5a, 25b, 250.= are connected in a straight line, respectively, and connected to the C power source 26.

FIG. 4 shows an output display device, in which a light-receiving element 7 provided on the front wall of the photoelectric sorting chamber 11 is connected to each light-emitting diode 25 of the display section 28 on one side, and a light-receiving element provided on the rear wall 8 are linearly connected to each light emitting diode 25 of the detected amount display section 29 on the other side, and the plurality of light emitting diodes 25a.

25b, 25c, . 27 are arranged in parallel in order to display each output in stages, and each photoelectric sorting chamber 11...
The respective control circuits 13 . Reference numeral 31 denotes a reference value display section for a reference value that controls the operation of the injection device FJ14, and in the figure, similarly to the detection amount display section 28, a plurality of light emitting diodes are connected linearly and an adjustment dial 32 is provided. are connected,
A light emitting diode of a reference m display section 31 is arranged on the surface of the container frame 27 in parallel with the detection m display section 28, 29.

With the above-mentioned configuration, when the raw material mixed with different color particles is introduced into the supply hopper 4 and the device is started, the mixed particles with different color grains flowing down from the supply hopper 4 to the vibration feeder i13 are
The flow u provided at the bottom by the vibration action of the vibrating grain feeder 8I3
The particles flowing down into the gutter 5 and flowing through the gutter are collected in the photoelectric sorting chamber 1.
1 in a flight-like manner along a predetermined flow trajectory. In the sorting chamber 11, the light-receiving element 7.8 receives the light obtained from the different-color particles, and sends the detection signal to the control circuit 13, and the output signal of the circuit 13 causes the Ullll nozzle 9 to emit a jet of air in a timely manner. to move the different color particles away from the falling trajectory.
l! tI! The different color particles are discharged outside the machine through the I2 discharge port [115], and the regular particles are taken out from the sorted grain outlet 17 of the grain collecting barrel 16 and sent to the next process.

In this sorting action, the output display device δ of the present invention communicates the detection number 13 received by the light receiving element 7 to the input switching circuit 19, and selects an arbitrary photoelectric sorting chamber 11 using the digital channel switching circuit 30. The signal is transmitted from the rectifier circuit 20 to the peak value detection circuit 21 and the hold circuit, and the A/D converts each peak value of the change in light M obtained from the falling particles.
The converter 23 converts the signal into a digital signal, and the signal is sent to each comparator 24a, 24b.

24C..., and the detection amount display unit 2 is arranged in series with the device 27 corresponding to the detection value detected by the light receiving element 7.
By operating a considerable number of each of the light emitting diodes 25a, 25b, 25c, . . When checking the detection status of the light receiving elements 7.8 in the other optical N sorting chambers 11, switching operations can be easily performed using the channel switching device @30. 31, adjustment dial 3
2, a reference value for controlling the injection device depending on the degree of different color particles can be arbitrarily set, and the reference value is also displayed at all times.

As described above, according to the output display device of the present invention, the light receiving element detects the change in the amount of light obtained by illuminating the falling particles, and the plurality of light emitting diodes are activated in stages in accordance with the detected value. Activate a corresponding number of particles and detect the change in the amount of light detected by the light receiving element on the display section. Also, the standard value display that controls the operation of the injection device depending on the degree of different color particles is arranged in parallel with the detected amount display section. By means of the display section, the detection amount of the light receiving element and the reference value of the injection device are operated in a related manner, and inspection thereof is facilitated, and accordingly, adjustment of each part can be carried out appropriately.

[Brief explanation of drawings]

The drawings show examples of the present invention, in which Fig. 1 is a front view of the color sorting machine, Fig. 2 is a side sectional view thereof, Fig. 3 is an electrical route diagram thereof, and Fig. 4 is a detection m display section. FIG. 3 is a front view of the device equipped with a reference value display section. 1... Sorting machine frame 2... Vibrating device 3... Vibrating grain feeder 4... Supply hopper 5... Downflow gutter 6... Side wall portion 7... Light receiving element 8... Light receiving Element 9... Injection nozzle 10... Light source 11... Photoelectric sorting chamber 12... Chamber frame 13... Control circuit 14... Injection device 15... Different color particle discharge port
16... Grain collecting cylinder 17... Sorting grain outlet 18...
Input side branch terminal 19...Manual switching circuit 2o...Rectifier circuit 21...Detection circuit 22...Bold circuit 2
3... A/D converters 24a, 24b, 24c -... Comparator 25a,
25b, 25c... Light emitting diode 26... Power source 27... Instrument 28... Detectable display section 29... Detection m display section 30
... Channel switching device 31 ... Reference value display section 32 ... Adjustment dial A
...Flowing trajectory patent applicant Satake Seisakusho Co., Ltd. Figure 1 Figure 2

Claims (2)

[Claims] (1) A light receiving element detects the change in light intensity obtained by emitting particles flowing down a fixed trajectory, and transmits the detection signal to the control circuit, and a signal outside the reference value provided in the control circuit is detected. Activate the injection device 1 and use the blast to separate different colored particles. In the device arranged in parallel, the input side branch terminal from the light receiving element of the control circuit is connected to the input side of the A/D converter via a detection circuit and a bold circuit, and the light emitting A plurality of light emitting diodes connected in a straight line to a dial for setting a reference value of the control circuit that controls the operation of the injection device are arranged in series on a display board, and the light receiving An output display device for a color sorter, comprising a detection amount display section and a reference value display section so as to display the detection m of an element and the reference value in relation to each other. (2) An output display device for a color sorter according to claim (1), wherein the detected amount display section is connected to a circuit of a light receiving element provided in each photoelectric sorting room through a switching device. .