CN212365135U - Answering racer realized by relay - Google Patents
Answering racer realized by relay Download PDFInfo
- Publication number
- CN212365135U CN212365135U CN202021407934.4U CN202021407934U CN212365135U CN 212365135 U CN212365135 U CN 212365135U CN 202021407934 U CN202021407934 U CN 202021407934U CN 212365135 U CN212365135 U CN 212365135U
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- relay
- diode
- positive electrode
- coil
- responder
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- Expired - Fee Related
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Abstract
The utility model provides a ware of racing to be first to answer a question based on relay realizes belongs to electron technical field. The responder circuit mainly comprises relays RL 1-RL 5, keys K1-K4, light emitting diodes LED 1-LED 4, diodes D1-D8 and a resistor R1, and the responder circuit realizes the responder and display functions of the 4-way responder. The responder has simple circuit and easy finding of components, and is suitable for being made by amateurs or beginners in electronic technology.
Description
Technical Field
The utility model relates to a ware of racing to be first to answer a question that relay realized belongs to electron technical field.
Background
The responder is a tool for developing knowledge competition activities. The responder is usually realized by a digital chip or a singlechip, is realized by the digital chip, has a complex hardware circuit, is realized by the singlechip, needs to master a programming technology, and has complex feeling for amateurs or people entering the door for the beginning of the electronic technology. Therefore, the four-way responder realized by the relay is provided, the circuit is simple, the components are easy to find, and the responder is suitable for beginners to manufacture.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the concrete technical scheme who takes as follows:
a responder realized by a relay comprises relays RL 1-RL 5, keys K1-K4, Light Emitting Diodes (LEDs) 1-LED 4, diodes D1-D8 and a resistor R1, wherein a movable contact of a relay RL1, one end of a coil of the relay RL1, the negative electrode of a diode D1, the positive electrode of the diode D5 and the positive electrode of a light emitting diode LED1 are connected together, a normally open contact of the relay RL1 is connected with +5V, the other end of the coil of the relay RL1 is grounded, and the positive electrode of a diode D1 is connected with one end of the key K1; the movable contact of the relay RL2, one end of the coil of the relay RL2, the negative electrode of the diode D2, the positive electrode of the diode D6 and the positive electrode of the light-emitting diode LED2 are connected together, the normally open contact of the relay RL2 is connected with +5V, the other end of the coil of the relay RL2 is grounded, and the positive electrode of the diode D2 is connected with one end of the key K2; the movable contact of the relay RL3, one end of the coil of the relay RL3, the negative electrode of the diode D3, the positive electrode of the diode D7 and the positive electrode of the light-emitting diode LED3 are connected together, the normally open contact of the relay RL3 is connected with +5V, the other end of the coil of the relay RL3 is grounded, and the positive electrode of the diode D3 is connected with one end of the key K3; the movable contact of the relay RL4, one end of the coil of the relay RL4, the negative electrode of the diode D4, the positive electrode of the diode D8 and the positive electrode of the light-emitting diode LED4 are connected together, the normally open contact of the relay RL4 is connected with +5V, the other end of the coil of the relay RL4 is grounded, and the positive electrode of the diode D4 is connected with one end of the key K4; one end of a coil of the relay RL5 is connected with the cathodes of the diodes D5-D8, the other end of the coil is grounded, the normally closed contact of the relay RL5 is connected with +5V, and the movable contact of the relay RL5 is connected with the other ends of the keys K1-K4; the cathodes of the LEDs 1-4 are all connected to one end of the resistor R1, and the other end of the resistor R1 is grounded.
The utility model discloses with 4 way first-aid answers ware of relay design, the circuit is simple, and components and parts are easily looked for, and suitable beginner makes.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a circuit of the responder realized by a relay includes relays RL 1-RL 5, keys K1-K4, light emitting diodes LED 1-LED 4, diodes D1-D8 and a resistor R1, wherein a movable contact of a relay RL1, one end of a coil of a relay RL1, a cathode of a diode D1, an anode of the diode D5 and an anode of a light emitting diode LED1 are connected together, a normally open contact of the relay RL1 is connected with +5V, the other end of the coil of the relay RL1 is grounded, and an anode of a diode D1 is connected with one end of the key K1; the movable contact of the relay RL2, one end of the coil of the relay RL2, the negative electrode of the diode D2, the positive electrode of the diode D6 and the positive electrode of the light-emitting diode LED2 are connected together, the normally open contact of the relay RL2 is connected with +5V, the other end of the coil of the relay RL2 is grounded, and the positive electrode of the diode D2 is connected with one end of the key K2; the movable contact of the relay RL3, one end of the coil of the relay RL3, the negative electrode of the diode D3, the positive electrode of the diode D7 and the positive electrode of the light-emitting diode LED3 are connected together, the normally open contact of the relay RL3 is connected with +5V, the other end of the coil of the relay RL3 is grounded, and the positive electrode of the diode D3 is connected with one end of the key K3; the movable contact of the relay RL4, the end-to-end of the coil of the relay RL4, the negative electrode of the diode D4, the positive electrode of the diode D8 and the positive electrode of the light-emitting diode LED4 are connected together, the normally open contact of the relay RL4 is connected with +5V, the other end of the coil of the relay RL4 is grounded, and the positive electrode of the diode D4 is connected with one end of the key K4; one end of a coil of the relay RL5 is connected with the cathodes of the diodes D5-D8, the other end of the coil is grounded, the normally closed contact of the relay RL5 is connected with +5V, and the movable contact of the relay RL5 is connected with the other ends of the keys K1-K4; the cathodes of the LEDs 1-4 are all connected to one end of the resistor R1, and the other end of the resistor R1 is grounded.
The keys K1-K4 are the answering keys of four players, and the light emitting diodes LED 1-LED 4 are used for displaying answering results.
When the host announces that the quiz begins, the responder is powered on. When no player answers, the relays RL 1-RL 4 are not driven by voltage, the relays RL 1-RL 4 are not attracted, the movable contacts of the relays RL 1-RL 4 are kept to be communicated with the normally closed contacts, and the light-emitting diodes LED 1-LED 4 are turned off. Meanwhile, the relay RL5 does not obtain voltage drive, the moving contact of the relay RL5 is kept to be communicated with the normally closed contact, and the K1-K4 obtain +5V power supply.
When a certain path such as the 2 nd player answers in advance, the 2 nd player presses the one-time key K2, and the relay RL2 is driven by voltage to attract. When the relay RL2 attracts, the moving contact of the relay RL2 is connected with the normally open contact, the +5V voltage accessed by the normally open contact is used for driving the relay RL2 to keep the relay RL2 in attracting state, one path is used for driving the light emitting diode LED2 to light to display that the 2 nd path is successfully answered, and the other path is used for driving the relay RL5 through the diode D6 to attract the relay RL 5. When the relay RL5 is sucked, the moving contact is disconnected with the normally closed contact, so that the keys K1-K4 lose +5V power supply, and other road players cannot answer the race.
The host disconnects the power supply of the answering machine, all the light-emitting diodes are turned off, all the relays recover states, and preparation is made for the next round of answering.
Claims (1)
1. A responder realized by a relay is characterized in that: the circuit of the responder comprises relays RL 1-RL 5, keys K1-K4, Light Emitting Diodes (LEDs) 1-LED 4, diodes D1-D8 and a resistor R1, wherein a movable contact of a relay RL1, one end of a coil of the relay RL1, the negative electrode of a diode D1, the positive electrode of the diode D5 and the positive electrode of the light emitting diode LED1 are connected together, a normally open contact of the relay RL1 is connected with +5V, the other end of the coil of the relay RL1 is grounded, and the positive electrode of the diode D1 is connected with one end of the key K1; the movable contact of the relay RL2, one end of the coil of the relay RL2, the negative electrode of the diode D2, the positive electrode of the diode D6 and the positive electrode of the light-emitting diode LED2 are connected together, the normally open contact of the relay RL2 is connected with +5V, the other end of the coil of the relay RL2 is grounded, and the positive electrode of the diode D2 is connected with one end of the key K2; the movable contact of the relay RL3, one end of the coil of the relay RL3, the negative electrode of the diode D3, the positive electrode of the diode D7 and the positive electrode of the light-emitting diode LED3 are connected together, the normally open contact of the relay RL3 is connected with +5V, the other end of the coil of the relay RL3 is grounded, and the positive electrode of the diode D3 is connected with one end of the key K3; the movable contact of the relay RL4, one end of the coil of the relay RL4, the negative electrode of the diode D4, the positive electrode of the diode D8 and the positive electrode of the light-emitting diode LED4 are connected together, the normally open contact of the relay RL4 is connected with +5V, the other end of the coil of the relay RL4 is grounded, and the positive electrode of the diode D4 is connected with one end of the key K4; one end of a coil of the relay RL5 is connected with the cathodes of the diodes D5-D8, the other end of the coil is grounded, the normally closed contact of the relay RL5 is connected with +5V, and the movable contact of the relay RL5 is connected with the other ends of the keys K1-K4; the cathodes of the LEDs 1-4 are all connected to one end of the resistor R1, and the other end of the resistor R1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407934.4U CN212365135U (en) | 2020-07-15 | 2020-07-15 | Answering racer realized by relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407934.4U CN212365135U (en) | 2020-07-15 | 2020-07-15 | Answering racer realized by relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212365135U true CN212365135U (en) | 2021-01-15 |
Family
ID=74131054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021407934.4U Expired - Fee Related CN212365135U (en) | 2020-07-15 | 2020-07-15 | Answering racer realized by relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212365135U (en) |
-
2020
- 2020-07-15 CN CN202021407934.4U patent/CN212365135U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210715 |