CN203351008U

CN203351008U - Control circuit for wirelessly controlling using and stopping of pen in examination

Info

Publication number: CN203351008U
Application number: CN 201320407231
Authority: CN
Inventors: 郭宗莲; 杨书杰; 葛君山; 孙方霞; 印黄燕
Original assignee: Jiangsu Maritime Institute
Current assignee: Jiangsu Maritime Institute
Priority date: 2013-07-10
Filing date: 2013-07-10
Publication date: 2013-12-18
Anticipated expiration: 2023-07-10

Abstract

The utility model discloses a control circuit for wirelessly controlling the using and stopping of a pen in an examination. The control circuit comprises a wireless receiving decoding control circuit arranged in the pen and an encoding emitting circuit which is matched with the wireless receiving decoding control circuit and is arranged in a wireless remote controller, wherein a battery BT2 is used for supplying power for the receiving decoding control circuit, and the receiving decoding control circuit comprises a wireless receiving module U2, a decoding chip U3, a memory chip U4 and an electromagnetic relay J1, the receiving module U2 is connected with an antenna ATN2, the memory chip U4 is connected with the decoding chip U3, an address selection terminal of the memory chip U4 is connected with a ground wire, the electromagnetic relay J1 is connected with the decoding chip U3 and is used for controlling a spring mechanism in a pen casing; a battery BT1 is used for supplying power for the encoding emitting circuit, and the encoding emitting circuit comprises a remote-control encoding chip U1, the remote-control encoding chip U1 is connected with an encoding button switch S1 and an encoding button switch S2, a data sending terminal of the remote-control encoding chip U1 is connected with a base electrode of a transistor Q1, a collector of the transistor Q1 is connected with an antenna ANT1 through a capacitor C2; a cartridge of the pen casing is fixed in the pen casing through the spring mechanism, the spring mechanism is used for regulating the mode that the cartridge head extends outside the pen casing or is retracted into the pen casing, and the receiving decoding control circuit is used for controlling the spring mechanism to eject the cartridge head or rebound the cartridge head according to a command of the encoding emitting circuit.

Description

An a kind of controlled in wireless examination start and stop control circuit

Technical field

The utility model relates to an a kind of controlled in wireless examination start and stop control circuit, it is the control circuit that a kind of pen core of controlling pen ejects or rebounds, be respectively wireless receiving decoding control circuit and the interior encoding transmitting circuit of Digiplex in pen, belong to the remote control circuit field.

Background technology

Examination is a kind of choice mode of justice, it is all to get through the examinations to evaluate examination mark that major part is entered a higher school, determine that score line recruits student, the student gets through the examinations to examine student's study situation the end of term, the evaluation high-achieving student, the university student is by four or six grades of examinations of College Students ' English, carry out cognitive oneself English level, also have much and take an examination to select the person by written examination in society, so examination is fair and just very important, in the written examination examination, everyone will start writing simultaneously and put pen simultaneously and just can accomplish real justice, in examination hall, cheating certainly will affect the just of examination, a kind of cheating that is difficult to avoid is to arrive in the examination concluding time, the supervisor is busy with receiving paper, examinee's paper is filled in complete substantially, some examinees can take advantage of a favourable situation to take aim at steathily others paper, plagiarize other people answer, manufacture very large unfairness, but, also do not have at present to finish in examination, can allow all examinees stop pen simultaneously, or after avoiding the examinee to take paper, the way of answer in advance, basic supervisor's supervision and the conscious of examinee of leaning on maintains, but, for the premeditated examinee that will plagiarize others, be difficult to control.

Summary of the invention

In order to solve the problem of above-mentioned existence, the utility model discloses an a kind of controlled in wireless examination start and stop control circuit, this control circuit can be controlled pen core and ejects or rebound, realizing controlling pen could write, while using for examination hall, control the examinee by the supervisor fully and use pen when to eject pen core and the pen core that rebounds, realize all examinees answer simultaneously and stop pen simultaneously, forbid answer, really accomplish that the examination hall Reaction time is fully just.

An a kind of controlled in wireless examination start and stop control circuit, comprise the wireless receiving decoding control circuit that is located in pen and supporting with it be located at the encoding transmitting circuit in Digiplex, the receipt decoding control circuit adopts battery BT2 power supply, comprise wireless receiving module U2, decoding chip U3, memory chip U4 and electromagnetic relay J1, the ANT end of wireless receiving module U2 connects antenna ATN2, the DATA end of wireless receiving module U2 connects the IF end of U3, the SCL end of storer U4 is connected with the DATA end with the CLK end of decoding chip U3 respectively with the SDA end, the address selection termination ground wire of storer U4, be connected pilot lamp RD1 and current-limiting resistance R4 between the VT of decoding chip U3 end and ground, decoding chip U3 holds by D0 and the D1 end is connected to electromagnetic relay J1, the contact of electromagnetic relay J1 is connected to spring device, be connected pushbutton switch S3 between the S-K of decoding chip U3 end and ground, be connected pilot lamp Study and current-limiting resistance R3 between the S-L port of decoding chip U3 and ground.

The supporting interior encoding transmitting circuit of Digiplex of described wireless receiving decoding control circuit adopts battery BT1 power supply, comprise remote control coding chip U1, between the K1 of remote control coding chip U1 end and K2 end and ground, with coding pushbutton switch S1, with S2, be connected respectively, the data sending terminal TXD of remote control coding chip U1 is connected to the base stage of transistor Q1 by resistance R 1, the two ends of resistance R 1 are parallel with diode D1, the negative electrode of diode D1 is connected with data sending terminal TXD, the anode of diode D1 is connected with the base stage of transistor Q1, be connected a pilot lamp TD1 and current-limiting resistance R2 between the data sending terminal TXD of remote control coding chip U1 and ground, the emitting stage ground connection of transistor Q1, the collector of transistor Q1 connects by L1, oscillatory circuit and sound table resonator SAW that C1 forms, be connected to antenna ANT1.

The collector of described transistor Q1 connects draws antenna ANT1, be connected with capacitor C 2 between the collector of antenna ANT1 and transistor Q1, be connected with inductance L 1 between the collector of Q1 and power supply, the center tap of inductance L 1 connects the end of three end sound table resonator SAW, the other end of three end sound table resonator SAW is connected to the base stage of transistor Q1, middle pin is connected to ground, and the center tap of inductance L 1 is connected to capacitor C 1, the other end ground connection of capacitor C 1.

The described pen that is provided with the wireless receiving decoding control circuit comprises and is provided with pen core in a shell by a shell, and pen core is fixed in a shell by spring device, and spring device is regulated pen core head and stretched out outside a shell or be retracted in a shell.

The utility model, the receipt decoding control circuit is located in a shell of examinee's use, encoding transmitting circuit is located in the Digiplex of supervisor's use, examination starts, the supervisor presses pushbutton switch S1, the pen core of the pen in examinee's hand is ejected by spring device, can normally write, examination finishes, and the supervisor presses pushbutton switch S2, the pen core of the pen in examinee's hand is rebounded by spring device, pen in examinee's hand can't be write, and all examinees answer of simultaneously starting writing stops answer simultaneously, aspect the time, accomplish that all examinees are fully fair.

The accompanying drawing explanation

Fig. 1 is receipt decoding control circuit figure of the present utility model.

Fig. 2 is encoding transmitting circuit figure of the present utility model.

Embodiment

Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.

Visible by reference to the accompanying drawings, an a kind of controlled in wireless examination start and stop control circuit, comprise the wireless receiving decoding control circuit that is located in pen and supporting with it be located at the encoding transmitting circuit in Digiplex, the receipt decoding control circuit adopts battery BT2 power supply, comprise wireless receiving module U2, decoding chip U3, memory chip U4 and electromagnetic relay J1, the ANT end of wireless receiving module U2 connects antenna ATN2, the DATA end of wireless receiving module U2 connects the IF end of U3, the SCL end of storer U4 is connected with the DATA end with the CLK end of decoding chip U3 respectively with the SDA end, the address selection termination ground wire of storer U4, be connected pilot lamp RD1 and current-limiting resistance R4 between the VT of decoding chip U3 end and ground, decoding chip U3 holds by D0 and the D1 end is connected to electromagnetic relay J1, the contact of electromagnetic relay J1 is connected to spring device, be connected pushbutton switch S3 between the S-K of decoding chip U3 end and ground, be connected pilot lamp Study and current-limiting resistance R3 between the S-L port of decoding chip U3 and ground.The receipt decoding control circuit is arranged in a shell, the signal that antenna ATN2 auxiliary circuit received code radiating circuit sends, power supply BT2 provides 4.5V voltage to Circuits System, receiver module U2 adopts the overload of the 315MHz super low-power consumption of ATS brand to give birth to receiver module, decoding chip U3 is learning-oriented decoding chip M7215, storer U4 is 2K bit serial CMOS memory AT24C02, the coding of storage study, it is convenient on market, to buy, and function-stable, pilot lamp RD1 indicator signal accepting state, while receiving signal, pilot lamp RD1 is bright, pilot lamp Study is to code or clear code pilot lamp, switch S 3 is controlled code or clear code, press switch S 3 during to code, the Study pilot lamp is bright, press again any key of remote control transmitter, to code, work completes automatically, during clear code, press switch S 3, more than maintaining 8S, the Study pilot lamp dodges and automatically clears all to code for 3 times.Press S1 key on telepilot, electromagnetic relay J1 exports a pulse signal, promotes the spring device in mechanical pencil, and pen core ejects, and starts remote control pen, and remote control pen can be used.Press S2 key on telepilot, electromagnetic relay J1 exports a pulse signal, unclamps the spring device in mechanical pencil, and pen core rebounds, and stops the use of remote control pen.

The supporting interior encoding transmitting circuit of Digiplex of wireless receiving decoding control circuit adopts battery BT1 power supply, comprise remote control coding chip U1, between the K1 of remote control coding chip U1 end and K2 end and ground, with coding pushbutton switch S1, with S2, be connected respectively, the data sending terminal TXD of remote control coding chip U1 is connected to the base stage of transistor Q1 by resistance R 1, the two ends of resistance R 1 are parallel with diode D1, the negative electrode of diode D1 is connected with data sending terminal TXD, the anode of diode D1 is connected with the base stage of transistor Q1, be connected a pilot lamp TD1 and current-limiting resistance R2 between the data sending terminal TXD of remote control coding chip U1 and ground, the emitting stage ground connection of transistor Q1, the collector of transistor Q1 is connected to an end of inductance L 1, another termination power of L1, the center tap of inductance L 1 is connected to three end sound table resonator SAW, the other end of SAW is connected to the base stage of transistor Q1, the middle pin of SAW is connected to ground, the collector of transistor Q1 connects an end of capacitor C 2, one end of capacitor C 2 is connected to draws antenna ANT1.This encoding transmitting circuit is located in telepilot, pushbutton switch S1 and S2 are respectively starting switch and shutdown switch, antenna ANT1 has realized the long-range transmission of signal, power supply BT1 provides 6V voltage to Circuits System, the M7216 chip that coding chip U1 is the SOP8 encapsulation, when pressing switch S 1 or S2, M7216 chip coding, the TXD end is exported a series of pulse signals simultaneously, after pulse signal is launched by antenna ANT1, received decoding circuit receives, and carry out on the spring device of pen according to button is different, realize that the head bullet of pen core is outside a shell or in a shell, controlling pen can write.

The described pen that is provided with the wireless receiving decoding control circuit comprises and is provided with pen core in a shell by a shell, and pen core is fixed in a shell by spring device, and spring device is regulated pen core head and stretched out outside a shell or be retracted in a shell.Spring device is subject to the control of receipt decoding control circuit, by being provided with the telepilot of encoding transmitting circuit, controls the spring device in beginning to write, and realizes the ejection of pen core or rebounds.

The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme be comprised of above technical characterictic combination in any.

Claims

1. a controlled in wireless examination start and stop control circuit, comprise the wireless receiving decoding control circuit that is located in pen and supporting with it be located at the encoding transmitting circuit in Digiplex, the receipt decoding control circuit adopts battery BT2 power supply, comprise wireless receiving module U2, decoding chip U3, memory chip U4 and electromagnetic relay J1, the ANT end of wireless receiving module U2 connects antenna ATN2, the DATA end of wireless receiving module U2 connects the IF end of U3, the SCL end of storer U4 is connected with the DATA end with the CLK end of decoding chip U3 respectively with the SDA end, the address selection termination ground wire of storer U4, be connected pilot lamp RD1 and current-limiting resistance R4 between the VT of decoding chip U3 end and ground, decoding chip U3 holds by D0 and the D1 end is connected to electromagnetic relay J1, the contact of electromagnetic relay J1 is connected to spring device, be connected pushbutton switch S3 between the S-K of decoding chip U3 end and ground, be connected pilot lamp Study and current-limiting resistance R3 between the S-L port of decoding chip U3 and ground.

2. an a kind of controlled in wireless examination start and stop control circuit according to claim 1, it is characterized in that the encoding transmitting circuit in the supporting Digiplex of described wireless receiving decoding control circuit adopts battery BT1 power supply, comprise remote control coding chip U1, between the K1 of remote control coding chip U1 end and K2 end and ground, with coding pushbutton switch S1, with S2, be connected respectively, the data sending terminal TXD of remote control coding chip U1 is connected to the base stage of transistor Q1 by resistance R 1, the two ends of resistance R 1 are parallel with diode D1, the negative electrode of diode D1 is connected with data sending terminal TXD, the anode of diode D1 is connected with the base stage of transistor Q1, be connected a pilot lamp TD1 and current-limiting resistance R2 between the data sending terminal TXD of remote control coding chip U1 and ground, the emitting stage ground connection of transistor Q1, the collector of transistor Q1 connects by L1, oscillatory circuit and sound table resonator SAW that C1 forms, be connected to antenna ANT1.

3. an a kind of controlled in wireless examination start and stop control circuit according to claim 2, antenna ANT1 is drawn in the collector connection that it is characterized in that described transistor Q1, be connected with capacitor C 2 between the collector of antenna ANT1 and transistor Q1, be connected with inductance L 1 between the collector of transistor Q1 and power supply, the center tap of inductance L 1 connects the end of three end sound table resonator SAW, the other end of three end sound table resonator SAW is connected to the base stage of transistor Q1, middle pin is connected to ground, the center tap of inductance L 1 is connected to capacitor C 1, the other end ground connection of capacitor C 1.

4. an a kind of controlled in wireless examination start and stop control circuit according to claim 1, it is characterized in that the described pen that is provided with the wireless receiving decoding control circuit comprises a shell, be provided with pen core in shell, pen core is fixed in a shell by spring device, and spring device is regulated pen core head and stretched out outside a shell or be retracted in a shell.