JPH0637488Y2 - Identification code reader for time recorder - Google Patents

Description

[Detailed description of the device] [Industrial applications]

This invention relates to an identification code reading device for a personal code, a work classification code, etc. in a time recorder,
In particular, the present invention relates to an identification code reader for a time recorder having a simplified structure and reduced cost.

[Prior art]

Conventionally, in addition to the function of printing the time of attendance and the time of leaving work, it reads the identification code such as the employee's personal code or work classification code attached to the time card, and calculates the working data based on the read identification code, 2. Description of the Related Art There is known a time recorder that stores work data of a plurality of individuals and totalizes the work data. The time recorder will be described with reference to FIGS. 5 to 7 of the attached drawings. 1 in FIGS. 5 and 6
Is a time recorder, and a card slot 3 is opened in an upper part of the main body cover 2, and a time card (not shown) inserted in the card insertion port 3 is guided by a card guide 5 provided in a frame 4. It is inserted downward. A card feeding mechanism 6 is provided on the upper side of the card guide 5, and a pinch roller 8 is provided in a hole 7 opened in the card guide 5 by a passive roller 9 arranged so as to face the pinch roller 8. The card is sandwiched, and the motor 10 is driven to transfer and eject the time card in the insertion direction. A light receiving sensor array 11 is provided in a lateral direction slightly below the card feeding mechanism 6, and the light receiving sensor array 11 has ten light receiving portions 1 corresponding to identification code holes of a time card described later.
2, 12 ... are arranged side by side, and as shown in FIG.
A light emitting array 13 having a plurality of light emitting portions is arranged to form an identification code reading device 14. Also, the light receiving sensor array
A print mechanism 15 is provided below the print head 11, and a print head 16 of the print mechanism 15 is formed so as to be movable in the left-right direction. FIG. 7 shows a time card used for the time recorder 1.
17, a personal code for identifying an individual and a code mark column 18 for detecting a work division code are provided near the lower edge. The code mark column 18 is expressed in decimal notation for facilitating the user's identification of the code number and the punching operation of the punch hole, and the lowermost stage 19 corresponds to 0 to 9 corresponding to the 1's digit of the personal code. The numbers are arranged, and the upper row is also the 10's digit 20.
Further, the work division code column 21 is arranged on the upper left side. Then, the time card 17 is created in which punch holes H, H, H are punched in the numeral portion corresponding to the identification code number of each person. In the example of FIG. 7, the personal code is 65 and the work classification code number is 1. Then, when the time card 17 is inserted into the time recorder 1, the time card 17 is transferred into the card guide 5 by the activation of the card feeding mechanism 6, and the personal code and the work classification code are sequentially identified with the transfer. The code is read by the code reading device 14. Then, the control unit 22 provided in the main body of the time recorder 1 calculates the work data of the individual based on the read identification code and stores the data for each individual to determine the print content. Then, the time card 17 lowered to a predetermined position is raised in the ejecting direction, and stopped at the date stage to be printed by the transfer distance detecting means 23 such as a rotary encoder provided in the card feeding mechanism 6, and the current time and working hours are counted. After printing the working data such as, it is discharged to the card insertion slot 3. Further, conventionally, the identification code in this type of time recorder is formed by a bar code, and the bar code is arranged in the lower column of the central part of the time card along the inserting direction of the time card. -162777.

[Problems to be solved by the device]

The identification code reading device in the above-mentioned conventional time recorder has code marks arranged in the left-right direction of the time card, and therefore requires the same number of light-receiving sensors and light-emitting sections as the number of the code marks arranged, resulting in a large number of parts. As a result, costs are rising, which is an obstacle to lower prices. With such a reading device, it is possible and effective to identify a large number of employees, such as hundreds or thousands by setting the personal code column to 3 or 4 columns. In the case of a time recorder that manages the degree and a low-price time recorder that reads only the work classification code, the increase in cost due to the increase in the number of sensors is an obstacle to lowering the price.
Also, since the code column is provided in the lower column of the card, the print column is also restricted. Further, the bar code arrayed along the inserting direction of the time card has a very high printing cost because the bar code must be printed with different line widths for each work. It is not practical for a time recorder that manages about 10 people. Therefore, there is a technical problem to be solved in order to simplify the configuration of the identification code reading device including the light emitting unit and the light receiving sensor and reduce the production cost, and the present invention solves the problem. To aim.

[Means for Solving the Problems]

This invention has been proposed in order to achieve the above-mentioned object, and reads an identification code of an individual marked or punched on a time card, and calculates individual employment data based on the read identification code. In the identification code reader of the time recorder that performs the above, a plurality of identification code columns are arranged at the side edge portion in the insertion direction of the time card, and the time recorder is composed of an encoder that is driven in conjunction with the transfer of the time card. A distance detecting means for measuring the transfer amount of the card and a sensor for detecting the identification mark formed in the identification code column are provided, and the sensor and the distance detecting means are connected to a control unit,
The distance detecting means measures the distance between the position at the start of detecting the movement amount of the time card and the identification mark, and further stores a code conversion table in which the measured value and the identification code are associated with each other. An identification code reading device for a time recorder, characterized in that a code conversion table is connected to the control unit and an identification code corresponding to the measured value is obtained by the code conversion table. Is.

[Action]

According to this invention, since a plurality of identification code columns are arranged at the side edge of the time card in the inserting direction, the print column can be provided near the lower end of the time card.
The degree of freedom in arranging the print field is secured. Thus, an identification mark is formed in the identification code column for each work. Further, there is provided a distance detecting means comprising an encoder for reading the moving amount of the time card when the time card moves up and down in the card guide, and further connected to the control unit together with the sensor for detecting the identification mark. There is. Then, when the time card is inserted into the insertion slot,
For example, when the sensor detects a reference mark provided on the lower portion of the card, the distance detection means starts measurement, and when the sensor detects an identification mark as the time card is moved, the distance measurement is performed. Stop. At this time, since the identification mark detected by the sensor is provided along the vertical direction of the side edge portion of the time card, the position of the identification mark is detected by one sensor and measured by the encoder. The distance is
For example, even if some error occurs due to a diameter error of the pinch roller that sends the time card or a slip between the time card and the pinch roller, a code conversion table that associates the measured value with the identification code is provided in advance. The code conversion table is connected to the control unit, and an identification code corresponding to the measured value can be obtained by the code conversion table based on a command signal from the control unit.

【Example】

An embodiment of the present invention will be described in detail below with reference to FIGS. 1 to 4 of the attached drawings. The same reference numerals are used for the parts having the same configurations as those used in the conventional example. or,
In the present embodiment, a description will be given of a case where only an individual code is read as an identification code. 1 and 2 show a time recorder 30, in which a card insertion slot 3 is opened on the upper surface of the main body cover 2. On the other hand, the card guide 32 on the chassis 31
Is provided upright and the upper end portion 32a of the card guide 32 is arranged so as to face the card insertion slot 3 so that the time card is inserted into the card guide 32. Further, a card feed mechanism 6 is installed above the left and right frames 4, 4, and the card feed mechanism 6 has a pinch roller 8 fitted to an intermediate portion of a drive shaft 33 connected to the motor 10. The pinch roller 8 projects into the hole 34 opened in the card guide 32, and is pressed against the passive roller 9 provided on the back side so as to sandwich the inserted time card and insert and eject the time card. To do. The drive shaft 33 of the card feeding mechanism 6 is fitted with a disc 35 having a large number of slits S, S ... Opened, and one side of the disc 35 is inserted into a recess 38 of a photointerrupter 37 connected to a substrate 36. The light emitting portion 39 of the photointerrupter 37 is loosely inserted.
The so-called rotary encoder that blocks the optical path between the
Forming 41. Accordingly, as the disc 35 rotates, the slits S, S ... Intermittently emit the light of the light emitting section 39 and the light receiving section 40.
Therefore, the rotation amount of the pinch roller 8 can be detected by counting the intermittent light pulses. That is, the transfer amount of the time card is formed by calculating the number of light pulses. On the other hand, a notch 42 is provided on the upper left side of the card guide 32, and a photo interrupter 43 is provided in the notch 42 so that the edge of the time card passes through the recess 44 of the photo interrupter 43. Then insert the time card into the card insertion slot 3
, The lower edge of the time card detects the insertion of the time card by blocking the optical path between the light emitting part 45 and the light receiving part 46 of the photo interrupter 43, and inputs a detection signal to the control part described later. The start and stop of the motor 10 of the card feeding mechanism 6 is controlled. A printing mechanism 15 is provided below the card feeding mechanism 6, and an impact printing type print head 16 is mounted so as to be movable left and right, and is moved to a predetermined printing position to print on a time card. ing. Figure 3 shows the time card used for the time recorder 30.
47, the printing column 48 for one month is arranged in the vertical direction, and the column for attendance and leaving time, the column for working hours, and the column for overtime are provided. In the vicinity of the left edge, reference holes (reference marks) 49, 50, 51 for identification codes and identification holes (identification marks) 52, 53 corresponding to the photo interrupter 43 are opened along the card transfer direction. I wear it. The arrangement of these holes is as follows. The predetermined position at the bottom is a reference hole 49 that defines the start of reading the ones digit of the identification code by the rotary encoder 41, and a ones identification code column 54 is provided above the reference hole 49. The identification code column 54 is 0 from the bottom,
1,2,3,4,5,6,7,8,9 are arranged in this order, and then the reference hole 50 is opened at the reading start position of the tens digit, and the reference hole 50 is placed above the reference hole 50. The identification code field 55 from 0 to 9 is printed in the same manner as the position, and the reference hole 51 for stopping the card feeding is provided at the top.
Is open. Here, the reference holes 49, 50, 51 and the identification code columns 54, 55
The pitch of each number column is constant, and the pitch P is 4 mm in this embodiment. Further, the vertical pitch of the print field 48 is also set to 4 mm. The operation of reading the identification code (personal code) in the time recorder 30 will be described with reference to the control block diagrams of FIGS. 1 to 3 and 4. First, a time card 47 having holes formed in the identification code fields 54, 55 according to a predetermined individual code is inserted into the card insertion slot 3 of the time recorder 30, and the left lower end of the time card 47 is a photo interrupter.
When the optical path of 43 is cut off, the output of the photo interrupter 43
It becomes L ₀ , and the controller 56 shown in FIG. 4 detects the card insertion. At the same time, the control unit 56 rotates the motor 10 in the forward direction to transfer the time card 47 in the inserting direction. Then, when the reference hole 49 reaches the concave portion 44 of the photo interrupter 43, the output H _{1 of the} photo interrupter 43 is obtained. When this H ₁ signal is input to the control unit 56, the control unit 56 starts the counter 57 to count the optical pulses by the slits S, S ... Of the rotary encoder 41 provided in the rotating card feeding mechanism 6. Start. Here, the relationship between the number of light pulses and the transfer amount of the time card is as follows. In this embodiment, the diameter of the pinch roller 8 and the slit of the disk 35 are set so that there is one pulse per 1 mm of the transfer amount.
S, S ... The interval is set. Thus, when the counting of the optical pulse is started, the output of the photo interrupter 43 becomes L ₀ , and the hole 52 opened in the identification code column 54 at the 1s position reaches the photo interrupter 43,
When the output of the photo interrupter 43 is set to H ₁ , the control unit 56 stops the measurement of the counter 57. In addition, the distance from the reference hole 49 to the ones hole 52 is 24 mm because the pitch is 4 mm,
Although the number of light pulses is 24, the slits S, S of the disk 35 are counted in consideration of the diameter error of the pinch roller 8 or the error due to the slip between the time card 47 and the pinch roller 8 ... The number of measurements and the code conversion shown in FIG. As shown in the attached table 1 with respect to the converted values in the table 58, a certain allowable range is set up and down. Therefore, the counting of the above-mentioned ones digit is stopped, and the control unit 56 refers to the code conversion table 58 and sets the measured number of optical pulses as the ones digit of the identification code.
Output to 59. Then, when the photo interrupter 43 detects the reference hole 50 in the middle stage and becomes H ₁ by the transfer of the time card 47, the control unit 56
Causes the counter 57 to start the measurement and counts the optical pulses by the slits S, S ... Of the rotary encoder 41 in the same manner as the above-mentioned unit digit. And the identification code column of the tens digit 55
When the H ₁ signal of the photointerrupter 43 is input to the control unit 56 again by the hole 53 opened in the counter 57, the measurement operation of the counter 57 is stopped, and the measured optical pulse number is 10 by referring to the code conversion table 58. Personal code register as an identification code of rank
Output to 59. In the time card 47 shown in FIG. 3, holes 52 and 53 are opened at positions of 1's 5's and 10's 2's respectively, so that the personal code of this time card 47 is 25 in the personal code register. Remembered. Next, the H _{1 of the} photointerrupter 43 by the reference hole 51 at the top is
When the signal is input to the control unit 56, the control unit 56 controls the motor 10
To stop sending the card, and at the same time, set the personal code register 59 as the personal code in the personal data memory 60.
Referring to, the personal data file that is pulled by the personal code is called and the working data such as the time data printed immediately before is read. Then, a predetermined processing program is called from the processing program memory 61 in which a plurality of processing programs for calculating the working data are stored, and the working data such as the read time data and the clock circuit 62 are read based on the program. New work data such as the number of working hours is calculated from the current time data when the card is inserted from, and the print content is determined. At this time, it is possible to determine whether to go to work or leave the office, and the sum of the total number of hours read from the personal data memory 60 and the number of working hours is stored in the personal data memory 60 as a new total number of hours. Here, since the working hours are 0 when working, the cumulative number of hours is not updated. Then, the current time data is stored in the personal data memory 60 as the immediately preceding printing time data together with the cumulative number of hours. Then, the transport distance in the ejection direction of the time card 47 corresponding to the printing stage of the date field to be printed is calculated from the calendar data input from the clock circuit 62, and the rotary encoder 41
The number of optical pulses to be input from is determined in advance.
As shown in FIG. 2, the photo interrupter 43 and the print head 16
Since the vertical distance D between the reference hole 51 and the reference hole 51 in the time card 47 of FIG. 3 and the date "1" in the uppermost printing column is the same, the card is transferred by detecting the reference hole 51. When stopped, the print position of print head 16 is the date "1".
It corresponds to the print column of. Further, as for the parameter for positioning the printing stage, since one line in the printing column corresponds to the number of slits 4, as shown in Table 2, the feed amount is 0 mm and the number of slits is 0 at the date "1". Further, on the date "2", the feed amount is 4 mm and the number of slits is 4, and thereafter "31" is set at the same intervals. Then, after the position of the printing stage is determined, the control unit 56 shown in FIG. 4 reverses the motor 10 to move the time card 47 in the discharging direction, and at the same time, starts the operation of the counter 57 to rotate the rotary encoder 41. Measure the number of light pulses by the slits S, S. Then, when the measurement of the determined number of light pulses is completed, the motor 10 is stopped, and after the feeding of the time card 47 is stopped, the print head 16 is moved in the left and right direction to move to the work field or leave the print field 48. The current time is printed in the column, and when leaving the company, the number of working hours and the overtime column are printed. After that, the control unit 56 drives the motor 10 to eject the time card 47 to the card insertion slot 3 side,
When the lower left end of the time card 47 passes through the recess 44 of the photo interrupter 43 and the output of the photo interrupter 43 becomes H ₁ , the motor 10 is stopped and one cycle of operation is completed. It should be noted that the present invention should not be limited to the above-described embodiment, and for example, the measurement start time point by the rotary encoder can be set arbitrarily. Further, in the present embodiment, two sets of the reference mark and the identification mark are provided in series on one side edge of the card, but the number of the marks may be one,
It can also be provided on both edges of the card.

[Effect of device]

As described in detail in the above-mentioned one embodiment of the present invention, since the individual identification code column is arranged on the vertical side edge of the time card, the identification code can be read by one sensor. A print field can be provided near the lower end of the card, and the flexibility of arranging the print field can be secured. Therefore, compared with the conventional sensor in which a large number of sensors are arranged side by side in the left-right direction, the structure is remarkably simplified, the number of parts is reduced, and the production cost can be reduced. Since a code conversion table in which the measured value detected by the distance detecting means including the encoder and the identification code are associated with each other is provided, the identification code corresponding to the measured value can be obtained by the code conversion table. Therefore, it is possible to prevent the recognition error of the identification code due to the reading error. Further, unlike the formation of the identification mark by the bar code, since the identification mark of each time worker can be formed by punching, for example, the time card can be of the same type. Thus, it is a device that has various kinds of effects, such as easy creation of the time card.

[Brief description of drawings]

1 to 4 show an embodiment of the present invention. FIG. 1 is a partially cutaway front view of a time recorder, FIG. 2 is a cutaway side view of the same portion, and FIG. 3 is a front view of a time card. FIG. 4 is a control block diagram of the time recorder, FIGS. 5 to 7 show conventional examples, FIG. 5 is a partially cutaway front view of the time recorder, FIG. 6 is a cutaway side view of the same portion, and FIG. It is a front view of a time card. 30 …… Time recorder 41 …… Rotary encoder 43 …… Photo interrupter 47 …… Time card 49,50,51 …… Reference hole 52,53 …… Identification hole 56 …… Control section 57 …… Counter 58 …… Code conversion Table 59 …… Personal code register 60 …… Personal data memory 61 …… Processing program memory 62 …… Clock circuit

Claims (1)

[Scope of utility model registration request] 1. An identification code reader for a time recorder, which reads an individual identification code marked on a time card by marking or punching and calculates individual work data based on the read identification code. A plurality of identification code columns are arranged on the side edge in the insertion direction of the time recorder, and a distance detecting means for measuring the transfer amount of the time card, which comprises an encoder driven in conjunction with the transfer of the time card in the time recorder body, and the identification code. A sensor for detecting the identification mark formed in the column is provided, and the sensor and the distance detecting means are connected to a control unit, and the position at the start of detecting the movement amount of the time card by the distance detecting means and the identification. Measure the distance to the mark, and
A code conversion table in which the measured value and the identification code are associated with each other is stored, the code conversion table is connected to the control unit, and the identification code corresponding to the measured value is obtained by the code conversion table. An identification code reading device for a time recorder characterized by the above.