CN2031129U - Device for going over examination papers of standard questions - Google Patents

Abstract

The utility model relates to a device for going over the examination papers of standard questions, which is adapted for Chinese extensive elementary and middle schools. The device for going over the examination papers of standard questions is composed of an examination paper entering and coming out device, an examination paper loading device, an optoelectronic sensing handling device, a counting displaying device, a question printing device, a micro-computer data inputting device, etc. The device for going over the examination papers of standard questions is characterized in that the method of sticking data point frames with black self-adhesive paper is adopted, the circuit is simplified, and the defect that the existing device for going over the examination papers is easy to judge error is avoided. The cheap counter is adopted to be used as a score display, and the examination paper which can use plain paper is adopted for reducing cost; the question printing device which can print correct signs on the question numbers is increased for making students understand the correct and mistaken situations. The utility model has the advantages of simple structure, low cost, easy operation, etc.

Description

Device for going over examination papers of standard questions

The invention relates to a kind of standardized examination paper machine of going over examination papers, the standardization test that particularly is applicable to the vast middle and primary schools of China machine of going over examination papers.

The machine of going over examination papers of present domestic use, it is the EC-II type microcomputer input processor of Shandong University experimental center and Electronic Instruments Factory, Shandong Univ. development, it is by photoelectric sensor, composition such as microprocessor and interface circuit, the data card of scribbling in accordance with regulations can be discerned and be handled to sort processor, this card can be that the student answers the questions in a test paper, it also can be social investigation, information feedback etc., this processor also can use as a data treating apparatus separately, and special configuration the program curing of marking separately and handling and showing, to adapt to the needs of middle and primary schools' examination, though sort processor has multi-functional, high capacity, numerous advantages such as speed is fast, but it is expensive because of price eventually, the service condition restriction is more, as require and to scribble with 2B or HB pencil, and letter or number is not as the criterion in the frame to see to scribble degree, and being coated with staggers the time needs to wipe with plastic eraser, otherwise identification error will take place.This processor also must use foreign paper (paper paper) and be equipped with computer, operation is also complicated, need before going over examination papers that input is correct, mistake and blank three kinds of paper rears can move, in addition the student can not from the volume face of correcting one's mistakes understand oneself to wrong situation, therefore, so far only limit to the college entrance examination use of going over examination papers, also fail to promote the use of in the vast middle and primary schools of China.

Task of the present invention is exactly to solve the problem that above-mentioned prior art exists.

Technical solution of the present invention is: the answer of using the black self-adhesive paper to paste paper replaces scribbling with pencil, has avoided identification error.Increased the topic printing equipment and the automatic turnover winding apparatus of turnover volume, thereby can stay correct identification marking and can pass in and out volume automatically on the topic topic number.Selected for use cheap counter to score and show.Just when needs are done examination paper analysis, just adopted a microcomputer data input media, can join with the micro computer of any model.

Advantage of the present invention is: adopt the black self-adhesive paper to paste the paper answer, then do not need shaping to amplify, can directly adopt and non-decision circuitry, thereby reduced element and simplified circuit, make the machine of going over examination papers simple in structure, need not use import or the extraordinary paper that requires, thereby reduce cost, also be convenient to operation.

Now in conjunction with the accompanying drawings the utility model is further described:

Fig. 1: the utility model system chart

Fig. 2: the circuit theory diagrams of the utility model

Fig. 3: the utility model structure diagram

Fig. 4: the utility model left side view

Fig. 5: microcomputer data input media

Fig. 6: button Electromagnetic Control mechanism synoptic diagram

Fig. 7: to topic printing equipment synoptic diagram

Fig. 8: standardized examination paper

Referring to Fig. 1, the utility model comprises: one can make paper pass in and out the turnover winding apparatus (1) that puts in place automatically, be connected year winding apparatus (2) that can drive the paper motion mutually with it, placed on it, the following photoelectric sensing treating apparatus (3) that paper is judged at position, and the counting display device that can flash (4), to the topic on stamp to the topic printing equipment (5), microcomputer data input media (6), propulsion system (7) and power supply parts such as (8).

Referring to Fig. 3, in turnover winding apparatus (1), comprise the both sides crimping made with metal sheet for paper automatically turnover advance to roll up pallet (1b) and the pallet that makes the test (1a), the two is on the base that wedge shape is fixed in system, on short transverse, advance to roll up pallet (1b) front end and 1～2 millimeter space is arranged apart from carrying roll bending (2C) plane, its both sides crimping linearly is connected with the gathering sill (2d) that carries roll bending (2C), makes paper successfully enter the paper that carries roll bending and read and successfully enter the pallet that makes the test (1a) by a year roll bending (2C) by 1～2 millimeter space by advancing to roll up pallet (1b).At a supporting plate of the upper fixed of advancing to roll up pallet (1b) (1f), its effect is a follower (1d) and by fixing the distance that a guide rail (1h) makes the motor-driven carrier moving linearly and limits forward and backward motion at supporting plate (1f) front end after the supporting two of motor-driven carrier, motor-driven carrier comprises two front driving wheels (1i), send end of reel wheel (1C), follower (1d), support (1g) and direct current micromotor (1e) after two, by belt front driving wheel (1i) is connected with direct current micromotor (1c).The positive and negative control front driving wheel that transfers by the control direct current micromotor is advancing to roll up pallet (1b) and is carrying roll bending (2C) upward to make to come and go rectilinear motion.Adopt known three position waver K1 to control: to make photoelectric sensing treating apparatus (3) outage during the turnover volume, make direct current micromotor (1e) outage when going over examination papers.Front driving wheel when K switch 1 is put " contrary " (1i) reverses, when K switch 1 is put " stopping ", and photoelectric sensing treating apparatus (3) power supply, front driving wheel (1i) just changes when K switch 1 is put " just ".Its course of action is described as follows, paper is placed on the volume pallet (1b), front driving wheel (1i) reverses during K1 seated position " contrary ", driving paper is entered by gathering sill and carries roll bending (2C) and put in place and stop until location-plate (2K), when K switch 1 seated position " is stopped ", photoelectric sensing treating apparatus (3) power supply, begin to go over examination papers (process of going over examination papers is seen the photoelectric sensing treating apparatus) go over examination papers finish after, carry roll bending (2C) and get back to reference position, this moment K switch 1 seated position " just ", motor-driven carrier travels forward, front driving wheel (1i) enters and carries roll bending and read paper and contact, at this moment the back follower (1d) of motor-driven carrier is subjected to the restriction of supporting plate (1f) that front driving wheel (1i) can not be travelled forward again, and can only on paper, rotate in the original place, thereby drive and to have read paper and pass into that volume pallet (1b) bottom enters on the pallet that makes the test (1a) with the space of carrying between roll bending (2C), on advancing to roll up pallet (1b), send end of reel wheel (1C) to drive second paper to be read to enter the into front position of volume pallet (1b) (sending the end of reel to take turns is a rubber tire that can only slide and can only roll when retreating when advancing) simultaneously.

Referring to Fig. 3, Fig. 4, carry winding apparatus (2) and comprise year roll bending (2C) that constitutes with metal framework and glass plate, its upper surface has left, center, right guide groove (2d), paper is played location and guide effect, between a left side, middle guide groove, send into paper to be read, in, put into correct test paper between the right guide groove, two location-plates (2K) are arranged carrying roll bending (2C) front end, the volume head of waiting to read paper and correct test paper is on the same straight line.The inboard respectively is equipped with four motion pulleys (2m) and side pressure pulley (21) respectively about the metal framework that carries roll bending (2C), make a year roll bending do straight reciprocating motion on the motion guide wheel (2i) that support plate (2g) supported, support plate (2g) is fixed on the base.Its power brings drive by motor by power transmission.The supporting pulley (2j) and the pulley (2f) that are loaded on motion guide rail (2i) side play supporting role to travelling belt.On the support (3a) of photoelectric sensing treating apparatus (3), pole changer (2e) is housed, in order to the just reverse of control motor.Near pole changer (2e) end, in the upper surface rear and front end of carrying the roll bending metal framework reference column (2a) is housed respectively, it and pole changer (2e) are with in a straight line, and can carry out the adjusting of front and back position according to the divide a word with a hyphen at the end of a line width of line-spacing of paper, the photoelectric sensing treating apparatus is divided a word with a hyphen at the end of a line when finishing, reference column (2a) just turns to the latter with pole changer (2e) collision, promptly carries roll bending (2C) and in time changes direction of motion.A line feed pull wire pulley (2b) is equipped with in two outsides respectively about year roll bending metal framework, its position can be inscribed how much regulating of number according to paper, the topic number is few more, pull wire pulley (2b) is just the closer to the mid point in the metal framework outside, also just more early divide a word with a hyphen at the end of a line, on the contrary, pull wire pulley (2b) is just the closer to the end points of framework, also slow dividing a word with a hyphen at the end of a line more just.Its course of action is described as follows: correct test paper places the right of carrying roll bending, paper to be read places its left side, two papers volume head is spacing by location-plate (2K), starting switch K2, motor makes by dynamic conveyor belt and carries roll bending and carry paper and travel forward by passing between the photoelectric sensor of photoelectric sensing treating apparatus and the light source, when first stringer after reading, the backguy of line feed pull wire pulley (2b) makes the line feed of photoelectric sensing treating apparatus, when line feed finishes, reference column (2a) bump pole changer, motor reverses, and carries roll bending toward swivel motion.

Referring to Fig. 4, photoelectric sensing treating apparatus (3) mainly form by support (3a) with (3l) respectively by placing year upper and lower position of roll bending by the photoelectric sensor (3e) and the light source (3m) of supporting (double as guide rail).Its circuit theory is referring to Fig. 2, realized by the circuit that 3 millimeters photodiodes of 8 φ of D1～D8, R1～R88 resistance, seven Sheffer stroke gates etc. are formed.Light source (3m) adopts 12 12 volts pea lamp to be fixed in an insulcrete--on the light source board (3n), by ac power supply, for guaranteeing enough brightness, per six one rows, divide two rows to be installed in same linear position, shine the bottom of waiting to read paper and correct test paper respectively.The photoelectric sensor of being made up of 8 photodiodes (3e) is divided into two groups, and two groups at the top of carrying roll bending and light source are corresponding respectively.Correct test paper with wait to read paper and all use black self-adhesive paper stickup answer position, if waiting to read on the paper answer paste position and correct test paper, to go up the answer paste position identical, and be in correspondence position between photoelectric sensor and the light source, then one of the photoelectric sensor correspondence group of photodiode is owing to can not get enough illumination and not conducting (shading mode), noble potential appears on this photodiode and the corresponding R tie point, and other three groups electronegative potential occurs, makes V by one group of gate circuit ₀₁Noble potential occurs, drive photoelectrical coupler (connection count display device as shown in Figure 2), make and wait that the mark of readding test paper shows on counter, and add up, on to topic, lay mark by two extremely non-gate control printing equipments simultaneously.The horizontal travel motion of photoelectric sensor (3e) and light source (3m), be attached at C and the D point that the draught line of dividing a word with a hyphen at the end of a line (3g) that I on the 3d and j order and an end are fixed in rack beam (3a) by end band weight (3h) other end, each cover about the draught line (3i) that G on the other end binding 3r and H are ordered, pass two orifice plates (3P) respectively and pass rack beam (3a) and support (31) respectively again by line pulley (3b), (3j) reaching (30) realizes, for reducing friction, be convenient to motion, 4 pulleys (3C) and (3K) respectively are housed on supporting suspension bracket (3d) and bearing support (31).In addition, for spacing, magnetic reference column (3f) is housed respectively at support (3a) two ends to photoelectric sensor and light source.Its course of action is described as follows: motor carries roll bending (2C) by the power transmission belt traction and travels forward, photoelectric sensor (3e) and light source (3m) remain static at the A of support (3a) end, when first file of waiting to read paper after reading, carry the line feed pull wire pulley (2b) in roll bending left side (D end), force draught line (3g) and (3i) motion, at this moment because having weight (3h) limit by the draught line orifice plate, an end of line can only draw photoelectric sensor to the B end motion, because being fixed in (3a), an end (3i) then can only draw light source board again to the B end motion, and they synchronously move (known technology can be accomplished) to the B end, stop until meeting B to dispose the magnetic reference column (3g) on support (3a).At this moment two row light sources and photoelectric sensors are respectively over against the second file position of waiting to read paper and correct test paper, carry simultaneously on the roll bending (2a) with (2e) bump against, switch turns to, motor reverses, and carries the roll bending counter motion, begins going over examination papers of second file.

Referring to Fig. 2, counting display device (4), can adopt counter to reequip as 838 type counters, be attempted by the equals' key two ends of 838 type counters with a photoelectrical coupler (also available DC relay) output terminal, when photoelectrical coupler input end no signal, its output terminal is open circuit, counter can as usually be operated, when the photoelectrical coupler input end had drive signal, its output terminal conducting was equivalent to by an equals' key ("=" key).During operation, earlier key in every topic score A (integer or little number average can) from calculator keyboard, promptly demonstrate the score A * N that waits to read paper by the beginning back counter of going over examination papers of "+" key once again, N is for connecting the number of times of "=" key.After full volume has been read, need manually copy down obatained score.Need press A value, "+" key again again.If the numeral that shows is the A value, two kinds of possibilities are arranged: (1) this volume is only answered questions a topic; (2) this volume one topic is not answered questions yet.At this moment need see the stamped mark of volume face, if then be not zero to the topic mark, otherwise note A branch.Need make zero again when readding down a paper, press A value "+" key.What need point out here is that the polarity of driving voltage can not wrong, "+" termination photosensitive tube collector of equals' key, and "-" termination emitter, though otherwise luminotron is can conducting luminous, can not couple a signal to output terminal.

Referring to Fig. 7, to the topic printing equipment (5), it is fixed in an end (3q among Fig. 4) of photoelectric sensing treating apparatus (3), nib face the topic number.It is included in the cork nib (5a) got ready on the topic number, the shaft of a writing brush that fuses with it (5b), in foam is housed in order to hold ink, top cover is permanent magnet (5C), in order to produce the current coil (5d) of electromagnetic force, shaft of a writing brush diameter can slide up and down within it less than the endoporus of skeleton (5e).For ease of ink, permanent magnet (5C) inserts the shaft of a writing brush after approaching ferropexy with one again, permanent magnet and fixing thin iron can be transferred to during ink, turns back to the shaft of a writing brush again behind the adding ink.Current coil (5d) is supported by skeleton (5e) with high strength enamelled wire coiled 700～1500 circles.Its operating principle is referring to Fig. 2, by V ₀₁The two-stage not gate, the current coil Z that connect ₁Formed topic print drive circuit with 2CP.As current coil Z ₁During no power, under the deadweight effect of the shaft of a writing brush, permanent magnet, make shaft of a writing brush drop, the cork nib just paper lay mark on the topic topic number, otherwise, work as Z ₁During energising, the magnetic that coil produces is identical with the polarity of permanent magnet, and (otherwise with permanent magnet tune or change winding wiring), then permanent magnet is together with the shaft of a writing brush certain distance (about 1.5 millimeters) that moves upward, make nib not contact the volume face, and whether current coil switch on by detection signal control promptly by V ₀₁High and low current potential and decide.

Referring to Fig. 5, Fig. 6, microcomputer data input media (6) can be set up this device to the school that has micro computer, can carry out analysis on many aspects to the volume face.This device is imported respectively by support (6a) and two the button electromagnet (6b) of, mistake is formed, and the latter is by (the 6b that has an injection ₁), the one end is that non-ferrous material is made for the ferrous material other end, guarantees to have an injection (6b ₁) distance of motion just adapts to the needs of button, it can be at coil (6b ₂) move up and down in the center pit of skeleton, coil is with about 1500 circles of high strength enamelled wire coiled, by skeleton (6b ₃), framework (6b ₄) supporting, support (6a) constitutes with the sheet metal of trough of belt, and set screw is housed in the groove, can regulate its height, length and width according to the input keyboard of micro computer, makes with input keyboard to closely cooperate.Right, before wrong button electromagnet inserts, input earlier waits to read the program of examination paper analysis, set screw is fixed support and input keyboard then, and with electromagnet movable core alignment procedure design " to " " mistake " required key of pressing, as program design " to " represent with Y, then topic electromagnet movable core is aimed at the Y key, program design " mistake " is represented with N, then wrong topic electromagnet is aimed at M, also need the height of regulating magnet, can press correspondent button effectively when making electromagnetic actuation, and can return to normal rapidly when discharging, the button time, general microcomputer did not repeat button character at 100 milliseconds of buttons in the time less than 100 milliseconds.The button solenoid circuit as shown in Figure 2, by coil Z ₂With 2CP10, complex pipe (available 3DG ₆With 3DG ₁₂Form) to form, signal is taken from V ₀₁Its course of action is described as follows: wait to read paper V when identical with the answer of correct test paper ₀₁Be noble potential, drive complex pipe work, make the topic electromagnet is pressed assignment key, in like manner wrong as can be known topic solenoid circuit (can be by coil Z ₃, 2CP10,3DG ₆, 3DG ₁₂Composition) working condition: its push button signalling is obtained by two-way, and one the tunnel takes from V ₀₁Deliver to a Sheffer stroke gate after anti-phase, declare topic circuit output end V in it and the photoelectric sensing treating apparatus ₀₂Carry out and non-judgement, if the position that is checked through answer no matter right, V ₀₂(because of the corresponding D5～D8 of correct test paper, R5～R8) this door is opened and is not looked V for noble potential ₀₁The height of current potential and deciding.Waiting to read paper then needs when right wrong topic electromagnet to be failure to actuate, then V ₀₁After non-again with V ₀₂With, this door is output as the then wrong topic electromagnet of noble potential and is failure to actuate.If it is wrong that paper to be read is answered, then V ₀₁Being electronegative potential, is noble potential after anti-phase, and V ₀₂Be noble potential,,, make the action of wrong topic electromagnet, press assignment key, changed a paper and then can carry out necessary processing the data that obtain through the anti-phase driving complex pipe of one-level with the anti-phase electronegative potential of then exporting in back.

Propulsion system (7) are made up of reversible electric machine and support, for the machine of going over examination papers provides the power (see figure 3).

Power supply (8) is supplied with 12 volts alternating currents of light source through step-down with 220 volts of alternating currents, for direct current micromotor with to, 12 volts direct currents of wrong topic button electromagnet, with 7 volts of direct currents, supplies year winding apparatus power with 220 volts of alternating currents for photoelectric sensing treating apparatus circuit.

In gross, the course of action of this device is such: at first will correctly answer the questions in a test paper places the right side of carrying roll bending, what again will paper be read place the turnover winding apparatus advances to roll up on the pallet, energized is also opened the K1 switch, paper to be read be admitted to carry roll bending qualification position (spacing) by location-plate it with correctly answer the questions in a test paper and be listed in the left and right both sides of carrying roll bending.K ₁Put " stopping ", starting propulsion system travels forward along motion guide rail by a dynamic conveyor belt drive year roll bending that links to each other with year roll bending, pass photoelectric sensor and light source in the photoelectric sensing treating apparatus, when photoelectric sensor scans first topic of paper first stringer, signal (V ₀₁) beginning output, counting display device then begins counting, and when the first stringer been scanned, the photoelectric sensing treating apparatus, and is defined to B by A, and switch (2e) changes, and power motor reverses, and carries roll bending toward swivel motion, and going over examination papers finishes, and plate moves power switch K simultaneously ₂, carry the roll bending stop motion.Plate moves the direct current micromotor K switch ₁Put " just " position, make and read paper and send into the pallet that makes the test, the more moving K switch of plate ₁To " contrary " position, make electric motor car return into volume pallet, second part of paper to be read entered carry roll bending, then can begin the work of going over examination papers of second paper.

Claims (3)

1, a kind of standardization test machine of going over examination papers, by photoelectric sensor, display, microprocessor and interface circuit are formed, it is characterized in that: on the machine base of going over examination papers, placement is waited to read the paper of setting up by driven by motor at the paper place that makes and can be passed in and out automatically, the turnover winding apparatus (1) that puts in place, be fixed in photoelectric sensing treating apparatus (3) one end 3q places, can to stay on the topic topic number identification marking to topic printing equipment (5), directly adopt the photoelectric sensing treating apparatus (3) of Sheffer stroke gate decision circuitry, adopt photoelectrical coupler or DC relay and counter equals' key mutually and connect the counting display device (4) of composition, can engage with any model microprocessor and import the microcomputer data input media (6) of data.

2, the machine of going over examination papers according to claim 1, it is characterized in that: (1a) Cheng Wedged shape is fixed on the machine base of going over examination papers for advance to roll up pallet (1b) and the pallet that makes the test that said turnover winding apparatus (1) is made by the metal sheet of two both sides crimpings, have for readding the space that paper enters the pallet that makes the test (1a) apart from carrying roll bending (2C) at the enterprising volume pallet of short transverse (1b) front end, (2d) linearly is connected with gathering sill, in the upper fixed of advancing to roll up pallet (1b) supporting plate (1f) in order to the supporting motor-driven carrier is arranged, fix a guide rail (1h) at its front end, make motor-driven carrier advance to roll up pallet (1b) and carry to do reciprocating linear motion on the roll bending (2C) and can limit the distance that seesaws, motor-driven carrier comprises two front driving wheels (1i), send end of reel wheel (1c), follower after two (1d), support (1g) and direct current micromotor (1e) are connected front driving wheel (1i) by belt with direct current micromotor (1c).

3, according to the machine of going over examination papers of claim 1, it is characterized in that: said to topic printing equipment (5) by over against topic energy at the cork nib (5a) of inscribing number marking, with

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