CN201556310U

CN201556310U - Handheld automatic scorer for objective items

Info

Publication number: CN201556310U
Application number: CN2009200663837U
Authority: CN
Inventors: 黄拓夏
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2010-08-18
Anticipated expiration: 2019-10-26

Abstract

The utility model relates to an automatic scoring device for examination papers, in particular to a handheld automatic scorer for objective items, which comprises a reflective photoelectric gate array, a singlechip system, a scanning control scale and an answer sheet and is mainly characterized in that 18 diodes of 9 pairs of reflective photoelectric gates are arranged in a line, two adjacent diodes form a pair of reflective photoelectric gates from left to right, the left 4 pairs of photoelectric gates form one group of multiple-choice question sensing array, the rightmost pair forms card reading positioning photoelectric gates, and the other four pairs of photoelectric gates form the other group of multiple-choice question sensing array. The reflective photoelectric gate array moves close to the answer sheet along the scanning control scale, a light-emitting tube irradiates the detection area on the answer sheet, and a receiving tube receives the reflected light; the photoelectric gate array generates multiple electric pulse signals to different detection areas; and the singlechip card reading system automatically starts and stops reading the card according to the detected starting and stopping signals, records the filling information of the answer area and displays the total score after comparing with the prestored standard answers.

Description

Hand-held objective item automatic scoring device

One, technical field:

The utility model is a kind of examination examination question automatic scoring device---a hand-held objective item automatic scoring device.

Two, background technology:

At present, in the examination there be the automatic scoring device of objective item: optical character reader (OCR), objective item computerized image identification marking system; These two kinds of objective item automatic scoring devices all need computer to cooperate just can finish scoring; In addition, these two kinds of objective item automatic scoring device peripheral hardware volumes are bigger, and debugging, operation are complicated, and common teacher is difficult to be grasped; Particularly the optical character reader (OCR) cost is more high-leveled and difficult popularizes.

Three, summary of the invention:

The purpose of this utility model is to utilize the photosensitive tube in white light (or infrared ray) the reflecting light electric switch susceptibility (or carbon is to ultrared electric susceptibility) of black to be come the fulfilling card of sensing objective item; When the detected district on the reflecting light electric switch irradiation answer sheet, can react " concentration " and " area " size that is coated with the zone on the answer sheet by photosensitive tube.In addition, on the answer sheet except be printed on the corresponding answer full-filling of examination question piece, also be printed on aid-device and confirm card orientation and Card Reader startup, the black stick that stops; Full-filling piece on the answer sheet has become an image that has only B﹠W with the black stick mutual group that affirmation card orientation starts, stops with Card Reader; To compare with the model answer image of storage in advance behind the hand-held objective item automatic scoring device scanning answer sheet, the part that conforms to is exactly a score, the not score that is not inconsistent.Owing to write the application program that adapts with Card Reader scoring requirement in the single-chip microcomputer in the hand-held objective item automatic scoring device, whenever swept an answer sheet and just can show this card gained total points.

The technical solution of the utility model is: it is made up of reflecting light electric switch array, single-chip microcomputer Card Reader points-scoring system, scan control chi, answer sheet etc.; It is characterized in that: reflecting light electric switch array, microcontroller system circuit plate are installed in the hand-held body of scorer; 18 diodes of nine pairs of reflecting light electric switches become word order, photogate is made of luminotron and receiving tube, from left to right, face two pipes mutually and constitute a pair of reflecting light electric switch, the four pairs of photogate in the left side are group selection topic sensing array, the rightmost a pair of Card Reader location photogate that is, other four pairs of photogate are another group selection topic sensing array; The scan control chi is aimed at the scanning location straight line on the answer sheet, and reflecting light electric switch array is along the scan control chi and be close to answer sheet and move, luminotron irradiating and detecting district, and receiving tube receives reflected light; Photogate can in time be reacted " concentration " and " area " size that is coated with the zone like this; The photogate array will produce a plurality of electric impulse signals corresponding to different detection zones; Because of printed startup being arranged on the answer sheet, stopping the black stick, Single Chip Microcomputer (SCM) system will start and stop Card Reader automatically according to detected startup, stop signal, the full-filling information in record answer district, the total points after demonstration compares with the model answer of storing in advance; Can continue to read other card then again.

Four, description of drawings:

Fig. 1 is the hand-held body synoptic diagram of the utility model-hand-held objective item automatic scoring device;

Fig. 2 is the hand-held body base plate synoptic diagram of the utility model-hand-held objective item automatic scoring device;

Fig. 3 is the utility model-hand-held objective item automatic scoring device scan control chi synoptic diagram;

Fig. 4 is the utility model-hand-held objective item automatic scoring device answer sheet synoptic diagram;

Fig. 5 is the utility model-hand-held objective item automatic scoring device Single Chip Microcomputer (SCM) system theory diagram.

Among the figure:

1-total points numerical value display window; 2-is provided with knob 1; 3-function switch 1; 4-is provided with knob 2; 5-is provided with knob 3; 6-function switch 2; 7-left side answer A sensor light electric switch; 8-left side answer B sensor light electric switch; 9-left side answer C sensor light electric switch; 10-left side answer D sensor light electric switch; 11-right side answer A sensor light electric switch; 12-right side answer B sensor light electric switch; 13-right side answer C sensor light electric switch; 14-right side answer D sensor light electric switch; 15-Card Reader location sensor light electric switch; The hand-held swept-volume positioning control end face of 16-scorer; The positioning control end face of 17-scan control chi; The right hand thumb elastic fingers of 18-scan control chi; Startup black stick on the 19-answer sheet; Card Reader location black stick on the 20-answer sheet; Stop the black stick on the 21-answer sheet; Answer full-filling district on the 22-answer sheet; Scanning location straight line on the 23-answer sheet.

Five, embodiment:

The utility model is made up of reflecting light electric switch array, Single Chip Microcomputer (SCM) system, scan control chi, answer sheet etc.; Reflecting light electric switch array, Single Chip Microcomputer (SCM) system be placed in as shown in Figure 1 length be 15 centimetres, wide be 5 centimetres, thick be in 4 centimetres the hand-held body case; 1 is total points numerical value display window, and it is made of three charactrons, and (the score value indication range: the 0--999 branch), 2,4,5 are three is provided with knob, the score value and the score value section of the answer that is used to set up standard; 3,6 is function switch, the switching of the answer that is used to go over examination papers and set up standard.

Fig. 2 is the photogate array synoptic diagram on the hand-held body base plate of scorer, 18 diodes of nine pairs of reflecting light electric switches become horizontal word order, a pair of photogate is made of a luminotron and a receiving tube, from left to right, face two pipes mutually and constitute a pair of reflecting light electric switch, the A/F of every pair of photogate is 0.4 centimetre, length is 0.9 centimetre, interior parallelization diameter is 0.3 centimetre luminotron and a receiving tube, two pipes are isolated mutually, only receiving tube could receive after the object reflection of light outside opening of luminotron, faces the light of photogate mutually and isolates mutually; Four pairs of photogate in the

left side

7,8,9,10 are group selection topic sensing array, and rightmost 15 is reading card location photogate, and other four pairs of

photogate

11,12,13,14 are another group selection topic sensing array; Photogate 10 is 1.1 centimetres with photogate 11 spacings, and other faces the photogate spacing mutually is 0.1 centimetre.

Fig. 3 is a scan control chi synoptic diagram, long 23 centimetres, wide 3 centimetres, thick 2 centimetres of chi; 17 is the positioning control end face of scan control chi, be used for matching with the positioning control end face 16 on the hand-held body left side of scorer, after the scan control chi is fixing, the positioning control end face 16 of hand-held body closely contacts with the positioning control end face 17 on the chi, the path of hand-held swept-volume had so just been controlled just by end face 17 controls in its path when hand-held body moved; In addition, elastic fingers 18 of the upper fixed of chi, after fingerstall entangled the left hand thumb, in the time of can guaranteeing not put down the scan control chi like this, left hand can also be done other operation.

Fig. 4 is an answer sheet, on rectangular 19 of printed startup black, Card Reader location black stick 20 arranged, stop rectangular 21 of black, answer full-filling square frame district 22, scanning location straight line 23; After increasing answer full-filling square frame, the volume of answer sheet can reach 90 topics at most.

When reading answer sheet, earlier the positioning control end face 17 of scan control chi is close to the scanning location straight line 23 on the answer sheet and is alignd, to hand the positioning control end face 16 of body and the positioning control end face 17 on the chi again is close to, make hand-held body bottom surface be close to answer sheet and move along end face 17, Single Chip Microcomputer (SCM) system will start and stop Card Reader automatically according to detected startup, stop signal, the full-filling information in record answer district, total points after the model answer that shows and store in advance compares, so just finish a Card Reader scoring, changed Card Reader wait next time then over to.

Single Chip Microcomputer (SCM) system is made up of single-chip microcomputer, digital tube display device, reception control circuit, singlechip application programs etc., as shown in Figure 5.

This utility model---hand-held objective item automatic scoring device is a novel Standard test marker, need not special-purpose answer paperboard (answer sheet can be printed directly on the paper), need not expensive computer, because with the Card Reader scoring procedures, slight square box has the intelligent functions of automatic Card Reader and scoring in the single-chip microcomputer; This scorer is simple to operate, and cost is low, the speed of going over examination papers is fast, data presentation is intuitively rapid, is suitable for middle and primary schools, Test Centre, standardization examination and gos over examination papers etc.

Claims

1. hand-held objective item automatic scoring device, form by reflecting light electric switch array, Single Chip Microcomputer (SCM) system, scan control chi, answer sheet etc., it is characterized in that: nine pairs of reflecting light electric switch array word orders, reflecting light electric switch array is along the scan control chi and be close to answer sheet and move, detection zone on the luminotron irradiation answer sheet, receiving tube receives the reflected light on the answer sheet; The photogate array produces a plurality of electric impulse signals corresponding to different detection zones; Single Chip Microcomputer (SCM) system will start and stop Card Reader automatically according to detected startup, stop signal, the full-filling information in record answer district, the total points after demonstration compares with the model answer of storing in advance.

2. hand-held objective item automatic scoring device according to claim 1, it is characterized in that: photogate is made of luminotron and receiving tube, the A/F of every pair of photogate is 0.4 centimetre, length is 0.9 centimetre, interior parallelization diameter is a luminotron and receiving tube of 0.3 centimetre, from left to right, face two pipes mutually and constitute a pair of reflecting light electric switch, photogate (7), (8), (9), (10) be group selection topic sensing array, photogate (15) is Card Reader location photogate, photogate (11), (12), (13), (14) be another group selection topic sensing array; Photogate (10) is 1.1 centimetres with photogate (11) spacing, and other faces the photogate spacing mutually is 0.1 centimetre; There is the printed spacing Card Reader corresponding to start black rectangular (19), Card Reader location black stick row (20), Card Reader on the answer sheet and stop rectangular of black (21), answer full-filling square frame district (22), scanning location straight line (23) with the photogate array; The positioning control end face (17) of scan control chi and answer sheet scanning location straight line (23) is close to and is alignd, the positioning control end face (16) on the hand-held body left side of scorer is near the positioning control end face (17) of scan control chi, and the hand-held body bottom surface of scorer is adjacent to answer sheet scanning.