CN210743125U - Answering racer for teaching competition - Google Patents

Answering racer for teaching competition Download PDF

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Publication number
CN210743125U
CN210743125U CN201922003323.7U CN201922003323U CN210743125U CN 210743125 U CN210743125 U CN 210743125U CN 201922003323 U CN201922003323 U CN 201922003323U CN 210743125 U CN210743125 U CN 210743125U
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China
Prior art keywords
responder
receiver
button
circuit
switch
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Expired - Fee Related
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CN201922003323.7U
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Chinese (zh)
Inventor
马铮
何细鹏
金碧辉
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Wuhan Technical College of Communications
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Wuhan Technical College of Communications
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Priority to CN201922003323.7U priority Critical patent/CN210743125U/en
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Abstract

The utility model relates to a ware is raced to be first to answer a question of teaching match usefulness, including the receiver of signal interconnection and a plurality of button of raced to be first to answer a question, the sucking disc is all installed to the bottom of receiver bottom and button of raced to answer a question, and the receiver top is provided with display panel, and display panel's side is articulated with the receiver. When the teaching demonstration is carried out, the receiver and the first-answer button can be adsorbed on a wall body or a display board through the sucking disc, so that the teaching demonstration effect is more visual; when the responder is used for carrying out a responder competition, the receiver and the responder button are respectively adsorbed on the table tops of a host and contestants through the suckers, so that the responder is prevented from shifting or even falling off due to accidental touch in the competition process, and the responder is more reliably installed; when the responder is not used, the responder can be conveniently disassembled and stored by releasing the contact between the sucker and the adsorption surface; the display panel can rotate on the receiver to adjust the optimal display angle. The utility model discloses a first-aid answer device, simple structure, easy dismounting, use nimble, suitability are strong.

Description

Answering racer for teaching competition
Technical Field
The utility model relates to a teaching aid field, concretely relates to ware is raced to be first to answer a question of teaching match usefulness.
Background
The answering machine is a device which is frequently used in various answering competitions, and can prompt the numbers of the contestants to be answered by judging the sequence of the switch signals sent by the contestants and latching the first switch signal so as to achieve the aim of fair answering. The realization of the responder is also a classic case in teaching of digital circuit courses and the like. However, the answering devices in the market generally focus on accurately realizing the answering function, and are often not suitable for being used as teaching aids in teaching scenes for teaching demonstration.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a ware is raced to be first to answer a question of teaching match usefulness, its simple structure, easy dismounting, use are nimble, are particularly useful for the teaching demonstration and race to be first to answer a question.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
the utility model provides a ware is raced to be first to answer a question that teaching match was used, includes the receiver of signal interconnection and a plurality of button is raced to be first to answer a question, the receiver bottom and the sucking disc is all installed to the bottom of raced to answer a question the button, the receiver top is provided with display panel, display panel's side with the receiver is articulated.
The beneficial effects of this technical scheme are: the utility model discloses a responder, both the receiver and the responder button are provided with the sucking discs, when the responder is used for teaching demonstration, the receiver and the responder button can be adsorbed on a wall body or a display board through the sucking discs, so that the teaching demonstration effect is more visual; when the responder is used for carrying out a responder competition, the receiver and the responder button are respectively adsorbed on the table tops of a host and contestants through the suckers, so that the responder is prevented from shifting or even falling off due to accidental touch in the competition process, and the responder is more reliably installed; when the responder is not used, the responder can be conveniently disassembled and stored by releasing the contact between the sucker and the adsorption surface. The side of the display panel is hinged with the receiver, and the display panel can rotate on the outer wall of the receiver so as to adjust the optimal display angle of the display panel in real time. The responder is simple in operation and convenient to disassemble and assemble, and is particularly suitable for teaching demonstration and responder competition.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a switch circuit is arranged in the first-time answering button, a trigger latch circuit, an encoder and an unlocking circuit are integrated in the receiver, and a decoding driving and displaying circuit is integrated in the display panel;
the switch circuit is connected with the input of the trigger latch circuit and is used for outputting a switch signal;
the output of the trigger latch circuit is connected with the input of the encoder and is used for latching the switch signal;
the output of the coder is connected with the input of the decoding driving and displaying circuit and is used for coding the switch signal,
the decoding driving and displaying circuit is used for decoding the switch signal and displaying the number of the answering button corresponding to the switch signal;
the unlocking circuit is connected with the enabling end of the trigger latch circuit and used for unlocking the trigger latch circuit.
The beneficial effect of adopting the further scheme is that: the switch circuit consists of a plurality of switches in the first-time answering button, the switch is required to be a normally-open type button, namely the button is pressed, the circuit is closed, and the switch circuit outputs a switch signal; the trigger latch circuit is triggered to generate corresponding switch level information at the output end, meanwhile, in order to prevent other switches from being disordered due to subsequent triggering, the output level generated firstly locks the trigger circuit in turn, and other switch buttons are pressed again, so that the information is invalid; the encoder converts the switch signal into a corresponding 8421BCD code for the decoding driving and display circuit to be used as encoding input; the decoding driving and displaying circuit converts the codes into level signals required by display and displays the numbers of the corresponding switches; when one round of the first-aid answer is finished, the unlocking circuit can unlock and clear the trigger latch circuit to prepare for the next round of the first-aid answer. The responder circuit has a simple structure, and the responder function can be completed by using a simple digital circuit.
Furthermore, the first-answer button comprises a shell, a sucker is arranged at the bottom of the shell, an opening is formed in the top of the shell, a pressing cover is arranged in the opening, a button switch is further arranged in the shell, and a key of the button switch is connected with the pressing cover; still be equipped with first wiring mouth on the shell, button switch's pin with first wiring mouth electric connection, first wiring mouth is used for output switch signal.
The beneficial effect of adopting the further scheme is that: when the button of the button switch is pressed, the first-answer button outputs a switch signal to the receiver. The button of racing to be first to answer a question carries out detachably with the receiver through first wiring mouth and is connected, because of the button of racing to be first to answer a question probably by frequently, violently pressing down in the match process, the possibility of damage is great, when the button of racing to be first to answer a question damages, the accessible is pulled down the line of first wiring mouth, changes the button of racing to be first to answer a question and continues to use, has saved the cost.
Furthermore, a return spring is fixedly arranged on a key of the button switch, and the return spring is fixedly connected with the pressing cover.
The beneficial effect of adopting the further scheme is that: after the press cover presses down the key of the button switch, the press cover can be reset through the elastic action of the return spring to prepare for the next first answer.
Furthermore, a plurality of second wiring ports are arranged on the receiver, and the second wiring ports are connected with the input of the trigger latch circuit and used for receiving the input of the switch signal.
The beneficial effect of adopting the further scheme is that: the receiver is in signal connection with the first answer button through a second wiring port to receive the switching signal.
Furthermore, an unlocking button is arranged on the receiver and connected with the input end of the unlocking circuit for inputting an unlocking signal.
The beneficial effect of adopting the further scheme is that: when one round of quiz is finished and the next question needs to be entered, the latched switch signal needs to be cleared, the host presses the unlocking button to input the unlocking signal, the unlocking circuit operates, the receiver is initialized, the latched switch signal is cleared, and preparation is made for the next question of quiz.
Further, still be equipped with power module in the receiver, power module's input is equipped with the interface that charges, power module's output is equipped with switch, the interface that charges the equal fixed mounting of switch on the shell of receiver.
The beneficial effect of adopting the further scheme is that: the power supply module is connected with an external power supply through a charging interface, the external power supply is converted into a working power supply required by an internal circuit of the responder, the power supply of the receiver is controlled to be switched on and off through a power switch, and when the power switch is turned on, the internal circuit of the responder is electrified and enters a working preparation state; when the power switch is turned off, the internal circuit of the responder loses power, and the responder stops working.
Furthermore, one side of the display panel is connected with the shell of the receiver through a damping rotating shaft, and the display panel and the receiver can rotate relatively.
The beneficial effect of adopting the further scheme is that: the arrangement of the damping rotating shaft can support the display panel to flexibly adjust the rotating angle on the shell of the receiver so as to adjust the display panel to the optimal display angle.
Furthermore, a nixie tube is installed on the display panel and is in signal connection with the decoding driving and display circuit.
The beneficial effect of adopting the further scheme is that: the nixie tube displays the numbers of the answering buttons corresponding to the latched switch signals, namely the corresponding contestant labels on the display panel in real time. The nixie tube adopts a static display mode, has no flicker in display, and has high brightness and low power consumption.
Furthermore, a plurality of the answering buttons are in signal connection with the receiver through signal lines.
The beneficial effect of adopting the further scheme is that: the signal line is detachably connected with the first-answer button and the receiver respectively, and the signal lines with different lengths are selected according to the use scene. For example, when teaching demonstration is carried out, only a short signal line is needed; when the race is raced to be answered, a longer signal wire is needed, the length of the signal wire is selected according to the requirement, and the applicability of the raced to be answered device is enhanced.
Further, the sucking disc is a soft sucking disc.
The beneficial effect of adopting the further scheme is that: the soft sucker has the advantages of simple structure, low cost, strong adsorption effect, repeated use and equipment cost saving.
The utility model has the advantages that: the utility model discloses a race to be first to answer a question ware, simple structure, easy dismounting, use are nimble, the suitability is strong, are particularly useful for the teaching demonstration and race to be first to answer a question. The device is provided with the chassis, and when the responder is used for teaching demonstration, the receiver and the responder button can be adsorbed on a wall body or a display board through a sucker, so that the teaching demonstration effect is more visual; when the responder is used for carrying out a responder competition, the receiver and the responder button are respectively adsorbed on the table tops of a host and contestants through the suckers, so that the responder is prevented from shifting or even falling off due to accidental touch in the competition process, and the responder is more reliably installed; when the responder is not used, the responder can be conveniently disassembled and stored by releasing the contact between the sucker and the adsorption surface. The side edge of the display panel is hinged with the receiver through the damping rotating shaft, and the display panel can rotate relative to the receiver so as to flexibly adjust the optimal display angle of the display panel in real time. The answering button and the receiver are detachably connected through the matching of the wiring port and the signal wire, when the answering button is damaged, the answering button can be immediately replaced, the disassembly and the assembly are convenient, and the cost is saved. The length of the signal line can be selected according to different use scenes, and the applicability of the responder is enhanced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic diagram of a receiver structure according to the present embodiment;
FIG. 3 is a schematic diagram of the internal structure of the first-answer button according to this embodiment;
FIG. 4 is a schematic circuit diagram of the present embodiment;
FIG. 5 is a diagram of a flip-flop latch circuit of the present embodiment;
FIG. 6 is a decoding driving and displaying circuit of the present embodiment;
fig. 7 shows an unlocking circuit according to the present embodiment.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the first answer button, 101, first wiring mouth, 102, press the cover, 103, button switch, 104, return spring, 2, receiver, 201, damping pivot, 3, display panel, 301, charactron, 4, power module, 401, switch, 402, the interface that charges, 5, signal line, 6, first sucking disc, 7, second sucking disc, 8, unlock button, 9, second wiring mouth.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
A quiz for teaching competitions as shown in fig. 1-3 comprises a receiver 2 and a plurality of quiz buttons 1 which are signal connected with each other by signal lines 5. According to the actual use requirement, the number of the answering buttons 1 can be increased or decreased, and the embodiment is exemplified by an answering machine comprising eight answering buttons 1.
The bottom of the first answering button 1 is provided with a first sucker 6, the bottom of the receiver 2 is provided with a second sucker 7, and a single sucker or a plurality of suckers can be arranged according to the size difference of the suckers so as to achieve the optimal adsorption effect. For convenience of description, in the present embodiment, a first suction cup 6 is installed at the bottom of each of the quiz buttons 1, and a second suction cup 7 is installed at the bottom of the receiver 2. The top of the receiver 2 is provided with a display panel 3, and the side edge of the display panel 3 is hinged with the receiver 2.
The responder of this embodiment all is provided with the sucking disc on receiver 2 and responder button 1, and the sucking disc of same position can set up to one, also can set up a plurality of sucking discs according to the size difference of sucking disc to reach the best adsorption efficiency. When the responder is used for teaching demonstration, the receiver 2 and the responder button 1 can be adsorbed on a wall body or a display board through the sucking disc, so that the teaching demonstration effect is more visual; when the responder is used for carrying out a responder competition, the receiver 2 and the responder button 1 are respectively adsorbed on the table tops of a host and contestants through the suckers, so that the responder is prevented from shifting or even falling off due to accidental touch in the competition process, and the responder is more reliably mounted; when the responder is not used, the responder can be conveniently disassembled and stored by releasing the contact between the sucker and the adsorption surface. The side of the display panel 3 is hinged with the receiver 2, and the display panel 3 can rotate on the outer wall of the receiver 2 to adjust the optimal display angle of the display panel 3 in real time. The responder is simple in operation and convenient to disassemble and assemble, and is particularly suitable for teaching demonstration and responder competition.
On the basis of the above technical solution, the present embodiment can be further improved as follows.
In this embodiment, a switch circuit is arranged in the first-time answering button 1, a trigger latch circuit, an encoder and an unlocking circuit are integrated in the receiver 2, and a decoding driving and displaying circuit is integrated in the display panel 3;
the switch circuit is connected with the input of the trigger latch circuit and is used for outputting a switch signal;
the output of the trigger latch circuit is connected with the input of the encoder and is used for latching the switch signal;
the output of the coder is connected with the input of the decoding driving and displaying circuit and is used for coding the switch signal,
the decoding driving and displaying circuit is used for decoding the switch signal and displaying the number of the answering button 1 corresponding to the switch signal;
the unlocking circuit is connected with the enabling end of the trigger latch circuit and used for unlocking the trigger latch circuit.
The switch circuit consists of a plurality of switches in the first-answer button 1, the switch is required to be a normally-open type button, namely the button is pressed, the circuit is closed, and the switch circuit outputs a switch signal; the trigger latch circuit is triggered, corresponding switch level information is generated at the output end, meanwhile, in order to prevent other switches from being disordered due to subsequent triggering, the output level generated firstly is used for locking the trigger latch circuit in turn, and other switch buttons are pressed again, so that the information is invalid; the encoder converts the switch signal into a corresponding 8421BCD code for the decoding driving and display circuit to be used as encoding input; the decoding driving and displaying circuit converts the codes into level signals required by display and displays the numbers of the corresponding switches; when one round of the first-aid answer is finished, the unlocking circuit can unlock and clear the trigger latch circuit to prepare for the next round of the first-aid answer. The responder circuit has a simple structure, and the responder function can be completed by using a simple digital circuit.
Further, the answering button 1 comprises a shell, a first suction disc 6 is arranged at the bottom of the shell, an opening is formed in the top of the shell, a pressing cover 102 is arranged in the opening, the edge of the pressing cover 102 is arranged in the opening, and the size of the pressing cover is larger than that of the opening, so that the pressing cover 102 can move within the range of the answering button. A button switch 103 is further installed in the shell, and a key of the button switch 103 is connected with the pressing cover 102; still be equipped with first wiring mouth 101 on the shell, button switch 103's pin with first wiring mouth 101 electric connection, first wiring mouth 101 is used for the output switch signal.
When the key of the button switch 103 is pressed, the racing button 1 outputs a switch signal to the receiver 2. The first wiring port 101 is detachably connected with the receiver 2, the first wiring port 101 is frequently and violently pressed during the competition process of the first wiring button 1, the damage possibility is high, when the first wiring port 101 is damaged, the first wiring port 101 can be detached, the first wiring port 1 can be replaced, the first wiring port 1 can be continuously used, and the cost is saved.
Further, a return spring 104 is fixedly arranged on a key of the button switch 103, and the return spring 104 is fixedly connected with the pressing cover 102.
After the button of the button switch 103 is pressed down by the pressing cover 102, the pressing cover 102 can be reset by the elastic force of the return spring 104 to prepare for the next quiz.
Further, a plurality of second wiring ports 9 are arranged on the receiver 2, and the second wiring ports 9 are connected with the input of the trigger latch circuit and used for receiving the input of the switch signal. The receiver 2 is in signal connection with the answering button 1 through a second wiring port 9 to receive the switching signal.
Further, an unlocking button 8 is arranged on the receiver 2, and the unlocking button 8 is connected with the input end of the unlocking circuit and used for inputting an unlocking signal.
When one round of the quiz is finished and the next question needs to be entered, the latched switch signal needs to be cleared, the host presses the unlocking button 8 to input the unlocking signal, the unlocking circuit operates, the receiver 2 is initialized, the latched switch signal is cleared, and preparation is made for the next question of the quiz.
Further, still be equipped with power module 4 in the receiver 2, power module 4's input is equipped with the interface 402 that charges, power module 4's output is equipped with switch 401, interface 402 that charges the equal fixed mounting of switch 401 on the shell of receiver 2.
The power module 4 is connected with an external power supply through a charging interface 402, converts the external power supply into a working power supply required by an internal circuit of the responder, controls the on-off of the power supply of the receiver 2 through a power switch 401, and when the power switch 401 is turned on, the internal circuit of the responder is electrified and enters a working preparation state; when the power switch 401 is turned off, the internal circuit of the responder loses power, and the responder stops working.
Further, one side of the display panel 3 is connected to the housing of the receiver 2 through a damping rotating shaft 201, and the display panel 3 and the receiver 2 can rotate relatively.
The damping rotating shaft 201 is arranged to support the display panel 3 to flexibly adjust the rotation angle on the housing of the receiver 2, so as to adjust the display panel 3 to the optimal display angle.
Further, a nixie tube 301 is installed on the display panel 3, and the nixie tube 301 is in signal connection with the decoding driving and display circuit.
The nixie tube 301 displays the numbers of the quiz buttons 1 corresponding to the latched switch signals, that is, the corresponding contestant marks, on the display panel 3 in real time. The nixie tube 301 adopts a static display mode, has no flicker in display, and is high in brightness and low in power consumption.
Further, a plurality of the answering buttons 1 and the receiver 2 are in signal connection through a signal wire 5.
The signal wire 5 is detachably connected with the first-answer button 1 and the receiver 2 respectively, and the signal wires 5 with different lengths are selected according to the use scene. For example, when teaching demonstration is carried out, only a short signal line 5 is needed; when the racing is answered, a longer signal wire 5 is needed, the length of the signal wire 5 is selected according to the requirement, and the applicability of the racing responder is enhanced.
Further, the first suction cup 6 and the second suction cup 7 are both soft suction cups, and preferably, silica gel suction cups are used. The silica gel sucker has the advantages of simple structure, low cost, strong adsorption effect, repeated use and equipment cost saving.
The utility model discloses a race to be first to answer a question ware, simple structure, easy dismounting, use are nimble, the suitability is strong, are particularly useful for the teaching demonstration and race to be first to answer a question. The responder is provided with a chassis, when the responder is used for teaching demonstration, a receiver 2 and a responder button 1 can be adsorbed on a wall body or a display board through a sucker, so that the teaching demonstration effect is more visual; when the responder is used for carrying out a responder competition, the receiver 2 and the responder button 1 are respectively adsorbed on the table tops of a host and contestants through the suckers, so that the responder is prevented from shifting or even falling off due to accidental touch in the competition process, and the responder is more reliably mounted; when the responder is not used, the responder can be conveniently disassembled and stored by releasing the contact between the sucker and the adsorption surface. The side of the display panel 3 is hinged to the receiver 2 through the damping shaft 201, and the display panel 3 can rotate relative to the receiver 2 to flexibly adjust the optimal display angle of the display panel 3 in real time. The button 1 and the receiver 2 of racing to be the first to answer a question carry out detachable through the cooperation of wiring mouth and signal line 5 and are connected, when the button 1 of racing to answer a question damages, can change immediately and race to answer a question the button 1, easy dismounting, save the cost. The length of the signal line 5 can be selected according to different use scenes, so that the applicability of the responder is enhanced.
The principle of the responder according to the present embodiment will now be described with reference to the schematic circuit diagrams of fig. 4 to 7.
Fig. 4 is a schematic diagram of the eight-way responder circuit of this embodiment, which includes a switch circuit, a trigger latch circuit, an encoder, a decoding driving and displaying circuit, and an unlocking circuit, wherein the switch circuit is composed of normally open button switches 103 in eight responder buttons 1, the trigger latch circuit, the encoder, the decoding driving and displaying circuit, and the unlocking circuit are integrated in a receiver 2, a nixie tube 301 in the decoding driving and displaying circuit is installed on a display panel 3, and the nixie tube 301 employs seven-segment nixie tubes 301. An audio effect circuit at the time of the first answer, a time limit circuit for the countdown, and the like may be added according to the use requirement, and this part is not described in the present embodiment.
As shown in FIG. 4, the resistors R9-R16 in the switch circuit are pull-up current-limiting resistors. When any switch is pressed, the corresponding output is at low level, otherwise, it is at high level. The responder circuit is composed of CMOS integrated circuits, so that the pull-up resistance can be 1M omega.
Fig. 5 shows a flip-flop latch circuit, which uses an eight D latch U4 of type 74HC 373. The input ends of the eight-D latch U1 are respectively connected with the eight push-button switches 103 of the switch circuit, and the output end of the eight-D latch U4 is connected with the enable end of the eight-D latch U1 after being connected with the NAND gate U3 and the NOT gate U2A. When all the push-button switches 103 are not pressed, the output of the eight-D latch U4 is all high, the feedback signal through the eight-input nand gate U3 and the not gate U2A is still high, and the signal serves as a control signal of the latch enable terminal to make the latch in a state waiting for receiving the trigger input. When any switch is pressed down, one path of output signals is low level, the feedback signal is changed into low level, the switch information received by the latch is latched, and the input of other switch information is blocked and can not be input into the circuit. The trigger latch circuit is the key for realizing the function of the responder, and the selected eight-input NAND gate is 74HC30, and the selected OR gate is 74HC 04.
The trigger latch circuit inputs the switch signal to the encoder U5, the encoder U5 is model 74HC 147. 74HCl47 is a 10-line-4-line priority encoder that outputs the inverse of the corresponding input 8421BCD code when any input is low, and the extra input of the encoder U5 should be high. Each output end of the encoder U5 is connected with a NOT gate (U6A, U7A, U8A and U9A), and then the NOT gates are connected to the decoding driving and displaying circuit for decoding and displaying.
FIG. 6 shows a decoding driving and display circuit. The encoder U5 implements the encoding of the switching signal and outputs it in the form of 8421BCD code. In order to display the output BCD code, a decoding driving and display circuit is required. The commonly used seven-segment decoding display driver CD4511 is selected as the display decoding circuit. The LED nixie tubes 301 are used for displaying in most cases, when the LED nixie tubes 301 are used frequently, the LED nixie tubes 301 which are used frequently have the characteristics of single characters, double characters and multiple characters, and have the sizes, the single-character seven-segment LED nixie tubes 301 with the larger sizes are selected as display units, and resistors R2-R8 connected with the nixie tubes 301 are current-limiting resistors.
After one round of racing is finished, when the latch circuit is triggered to latch, if the next round of racing is to be performed, the latch needs to be unlocked, the enable end of the latch needs to be forced to be set to 1 or 0 (according to different chips), so that the latch is in a state to be received, as shown in fig. 7, in the embodiment, 74HC32 or a gate U1A is selected to form an unlocking circuit, and the outputs of an unlocking button 8 and the trigger latch circuit are respectively used as the inputs of an or gate U1A. And the switching signal of the unlocking button 8 is OR-ed with the latch feedback signal and then is added to the enabling input end of the eight D latch U4, when the unlocking switching signal is 1, the enabling input end of the eight D latch U4 is 1, so that the eight D latch U4 is in a signal receiving state again, namely the signal latching state of the eight D latch U4 is released, and at the moment, the next step of preemptive answering can be carried out.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a ware is raced to be first to answer a question that teaching match was used which characterized in that, includes receiver (2) and a plurality of button (1) are raced to be first to answer a question of signal interconnection, receiver (2) bottom and the sucking disc is all installed to the bottom of button (1) is raced to be first to answer a question, receiver (2) top is provided with display panel (3), the side of display panel (3) with receiver (2) are articulated.
2. The responder for teaching games according to claim 1, wherein a switch circuit is arranged in the responder button (1), a trigger latch circuit, an encoder and an unlocking circuit are integrated in the receiver (2), and a decoding driving and displaying circuit is integrated in the display panel (3);
the switch circuit is connected with the input of the trigger latch circuit and is used for outputting a switch signal;
the output of the trigger latch circuit is connected with the input of the encoder and is used for latching the switch signal;
the output of the coder is connected with the input of the decoding driving and displaying circuit and is used for coding the switch signal,
the decoding driving and displaying circuit is used for decoding the switch signal and displaying the number of the answering button (1) corresponding to the switch signal;
the unlocking circuit is connected with the enabling end of the trigger latch circuit and used for unlocking the trigger latch circuit.
3. The responder for teaching games according to claim 1, wherein the responder button (1) comprises a housing, a sucker is arranged at the bottom of the housing, an opening is arranged at the top of the housing, a pressing cover (102) is arranged in the opening, a button switch (103) is further arranged in the housing, and a key of the button switch (103) is connected with the pressing cover (102); still be equipped with first wiring mouth (101) on the shell, button switch (103) the pin with first wiring mouth (101) electric connection, first wiring mouth (101) are used for exporting switching signal.
4. The responder for teaching games according to claim 3, characterized in that a return spring (104) is fixedly arranged on a key of the button switch (103), and the return spring (104) is fixedly connected with the pressing cover (102).
5. A responder for teaching games according to claim 2, characterized in that a plurality of second wiring ports (9) are provided on said receiver (2), said second wiring ports (9) being connected to the input of said trigger latch circuit for receiving a switching signal input.
6. A responder for teaching games according to claim 2, characterized in that an unlocking button (8) is provided on the receiver (2), said unlocking button (8) being connected to the input of the unlocking circuit for inputting an unlocking signal.
7. The responder for teaching competitions as claimed in claim 1, characterized in that a power module (4) is further disposed in the receiver (2), a charging interface (402) is disposed at an input end of the power module (4), a power switch (401) is disposed at an output end of the power module (4), and the charging interface (402) and the power switch (401) are both fixedly mounted on a housing of the receiver (2).
8. A responder for teaching games according to claim 1, characterized in that one side of the display panel (3) is connected with the housing of the receiver (2) through a damping rotating shaft (201), and the display panel (3) and the receiver (2) can rotate relatively.
9. The responder for teaching games according to claim 2, characterized in that a nixie tube (301) is mounted on the display panel (3), and the nixie tube (301) is in signal connection with the decoding driving and display circuit.
10. A responder for teaching games according to claim 1, characterized in that a plurality of said responder buttons (1) are in signal connection with said receiver (2) via signal lines (5).
CN201922003323.7U 2019-11-19 2019-11-19 Answering racer for teaching competition Expired - Fee Related CN210743125U (en)

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CN201922003323.7U CN210743125U (en) 2019-11-19 2019-11-19 Answering racer for teaching competition

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CN210743125U true CN210743125U (en) 2020-06-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112185039A (en) * 2020-09-30 2021-01-05 郑州工程技术学院 Economics teaching is with special ware of racing to be first to answer a question in wisdom classroom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112185039A (en) * 2020-09-30 2021-01-05 郑州工程技术学院 Economics teaching is with special ware of racing to be first to answer a question in wisdom classroom
CN112185039B (en) * 2020-09-30 2021-11-23 郑州工程技术学院 Economics teaching is with special ware of racing to be first to answer a question in wisdom classroom

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