KR940002125B1 - Driving apparatus and method of document-feeding system - Google Patents

Abstract

The apparatus provides a paper feed system which is widely compatible with other copy machines without addition of another device. The apparatus comprises the following: a CPU including the operating software of the continuous paper feeder; a sensor for detecting the size of copy paper; another sensor for detecting whether a copy exits or not; a manipulator for setting up the paper width and length; an encoder (6) which notifies the rotation number of the motor to CPU.

Description

Driving device and method of continuous document feeding system

1 is an overall configuration diagram of a driving device of the continuous document feeding system of the present invention.

2 is an overall flowchart of a method of driving a continuous document feeding system according to the present invention.

* Explanation of symbols for main parts of the drawings

1: central control unit 2: paper size sensor

3: Paper existence sensor 4: Motor drive unit

5: motor 6: encoder

7: control panel

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving apparatus for a continuous document feeding system for a copying machine, and more particularly, to a driving apparatus for selectively automatically feeding a continuous sheet for copying using light of a halogen lamp of a copying machine.

One of the related arts related to the present invention includes the contents of the "apparatus for driving a continuous paper feed system for a copying machine", which was filed by the applicant in 1990 (Patent Application No. 19409, November 28, 90). The application consists of analog circuits and logic circuits.

By the way, the prior art can only copy one copy of one original when copying, and the inconvenience of having to modify the entire structure of the driving device when the function of the entire system is added and the driving signal of the motor are generated by using an analog circuit. Because of this, there was a limit to increase the reliability. In addition, the component itself is dependent on the system, there was a problem incompatible to apply to the same system.

Therefore, to solve the problems of the prior art, it is possible to copy the purchase per sheet of the original, without the need for structural modification when adding the function of the system, of the continuous original paper feed system that can be widely compatible with homogeneous systems To provide a drive and a method.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 is the overall configuration of the drive system of the continuous document feeder according to the present invention, in which 1 is a central control unit, 2 is a paper size sensor, 3 is a document presence sensor, 4 is a motor drive unit, 5 is a motor, 6 is Encoder 7 denotes an operation unit, respectively.

As shown in the drawing, the driving apparatus of the present inventors continuous paper feed system includes a central control unit (1) comprising a CPU in which the operating software of the continuous original paper feeding system capable of copying a sheet of originals is embedded therein, and the central control unit (1). Is connected to the paper size detection sensor (2) for detecting the light of the halogen lamp of the copier according to the width of the paper, and the central control unit (1) to set the number of copies, the width and length of the paper. The operation unit 7, the document presence sensor 3 connected to the central control unit 1 to detect the presence of the document, and the central control unit 1 connected to the central control unit 1. A motor driver 4 for driving the motor 5 under control, and an encoder connected to the motor 5 and the central controller 1 to notify the central controller 1 of a pulse signal proportional to the rotation of the motor. It consisted of 106.

The sensor 2 may use as many sensors as necessary according to the type of the size of the original to be detected, and in the present invention, the sensor 2 uses two sensors 201 and 202 as a preferred embodiment. The operation unit 7 is also equipped with a function of selecting two types of paper. And the said operation part 7 is also comprised so that it may operate by using according to the kind of paper or the needs of a user.

A configuration of a driving method applied to and operated by the driving apparatus of the continuous document feeding system configured as described above will be described with reference to FIG.

2 is an overall flowchart of a method of driving the continuous document feeding system of the present invention.

In setting the number of copies to 1 in the initialization step 21 and setting the horizontal size of the document (22), the input signal by the operation unit 7 is fixed at the worry position depending on whether the high (H) or low (L) The selected sensor 201 or 202 (23, 24). In setting the size of the document, the number of pulses of the encoder 6 is defined according to whether the input signal from the operation unit 7 is high (H) or low (L). Memory 1) (26, 27).

Subsequently, the number of copies set on the operation unit 7 is read (28), the number is stored in the central control unit 1 (29), and the number is displayed on the operation unit 7 (30). Then, it is determined whether the light of the halogen lamp is detected from the copier (31). At this time, if the selected sensor 201 or 202 does not detect the light, the process returns to the step 22 of setting the horizontal size of the original and the process is performed. Then, if the selected sensor 201 or 202 detects light, the presence or absence of the document is determined using the document presence sensor 3 (32). At this time, if there is no original, the process is repeated from the horizontal size setting step of the original.

It is determined whether the value of the number of copies minus 1 is 0 (34), and if it is not 0, an automatic reset routine is performed.

First, a constant reference time is set and set to 0 (35) and a timer is started (36) to check the end of the reference time (37). The light of the halogen lamp of the copier during the reference time is detected by the sensor 201 or 202. If is detected, the process returns to step 32 to determine whether there is an original (39), but when the reference time ends without the detection of light, it is determined that copying is terminated and the number of copies is set to 1 (38). Return to the size setting step 22. Here, the constant reference time in the present invention should be set longer than the time interval that is copied during continuous copying of the copier to which the present invention is applied, and the continuous copying time of the copier used is generally 1 to 5 seconds, so that each time The reference time can be set in consideration. In addition, the user may adjust the time as required, and in the present invention, it is set to 5 seconds as a preferred embodiment. On the other hand, the setting of the predetermined reference time is set after determining the need for a certain time in the initialization step (21).

By repeating the above process, when the value of the number of copies is determined to be 0, the motor 5 is started (40).

Subsequently, the number of pulses set in the central control means 1 is stored (41) according to the paper size of the sheet, and it is determined whether the output signal of the operation portion 7 is high (H) or low (L) (42, 43). The stored number of pulses is subtracted by one (44) to determine whether the number of pulses is zero (45). The above operation is continued until the number of pulses becomes 0, and when it reaches 0, the driving of the motor 5 is stopped (46), and then the routine from the size setting step 22 of the document is repeated to repeat the continuous document for copying. Start the paper feed system.

Therefore, the present invention constructed and operated as described above is capable of copying a purchase per sheet of paper, and is widely applicable to homogeneous systems because only internal software is exchanged without structural modifications when the system is added. Since the driving of the motor 5 is controlled by digital pulses, there is an effect of increasing the reliability of the system.

Claims (8)

A driving apparatus of a continuous document feeding system for a copying machine, comprising: a central control means (1) consisting of a CPU incorporating operating software of a continuous document feeding system capable of copying a single document per document, and connected to the central control means (1) A paper size sensor (2) for detecting light of a halogen lamp of the copier according to the horizontal size of the paper, and a document presence sensor (3) connected to the central control means (1) for detecting the presence of an original; Operation means (7) connected to the central control means (1) and configured to set the number of copies, the horizontal size and the vertical size of the paper; and the central control means (10) connected to the central control means (1). The motor control means 4 for driving the motor 5 under the control of the control unit, and the central control means connected to the motor 5 and the central control means 1 to receive a pulse signal proportional to the rotation of the motor 5. Consisting of an encoder (6) to notify (1) Drive device of the continuous document feeder systems according to. The apparatus of claim 1, wherein the paper size sensor (2) comprises two sensors (201, 202) according to the paper size type. To the central control means (1), the paper size sensor (2) connected to the central control means (1), the operation means (7) connected to the central control means (1), and the central control means (1). Continuous document comprising a document presence sensor 3 connected, a motor driving means 4 connected to the central control means 1, and an encoder 6 connected to the motor 5 and the central control means 1; In the driving method applied to the driving apparatus of the paper feeder, after the system is initialized, the first and second steps (21 to 27) of storing the width and length of the document in the central control means (1), and after performing the first step, A second step (28 to 30) of reading the number of copies set in the operation means (7) and storing it in the central control means (10) and displaying it on the operation means (7), and halogen detected after performing the second step Depending on the number of times the light is detected, subtract the value of the set number of copies by one, and when the value of the number of copies becomes zero, calculate the motor (5). The encoder 6 determines whether the motor 5 has rotated by the length of the original stored in the central control means 1 after the third step (31, 32, 33, 34, 40) and the third step. And a fourth step (41 to 46) of stopping the motor (5) and returning to the beginning when the motor is rotated by the length of the original based on the determination of the output power of the original document. The automatic reset function according to claim 3, wherein if the value of the number of copies does not become zero in the third step (31, 32, 33, 34, 40), a constant reference time is set and the halogen light is not detected within the reference time. Method of driving a continuous document feeding system, characterized in that it further comprises the step (35 to 39). 5. The method of driving a continuous document feeding system according to claim 4, wherein the predetermined reference time is set to be longer than a continuous copying period interval of a copier used. 5. The method for driving a continuous document feeding system according to claim 4, wherein the predetermined reference time is set to 5 seconds. The method of claim 3 or 4, wherein the third steps 31, 32, 33, 34, and 40 are performed by determining whether halogen light is detected by the paper size sensor 2, and halogen light. When the paper size detection sensor 2 is detected and the paper size detection sensor 2 is operated, the presence / absence of the document is detected by the document presence sensor 3 to reduce the number of copies by one (32, 33). A method for driving a continuous document feeding system, characterized in that the step is carried out to return to step 1. 5. The method of claim 4, wherein the automatic reset function comprises the steps of setting a predetermined reference time and starting the timer (35, 36), and detecting the presence of an original when the halogen light is detected before the end of the timer. Steps 37 and 39 return to processing steps 32, 33 and 34 to determine whether the number of copies is zero by one and set the number of copies to 1 when the timer expires without detecting halogen light. A method of driving a continuous document feeding system, characterized in that the step of returning to the first step (38).