CN211699109U - Error-proof digital equipment - Google Patents
Error-proof digital equipment Download PDFInfo
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- CN211699109U CN211699109U CN202020518580.4U CN202020518580U CN211699109U CN 211699109 U CN211699109 U CN 211699109U CN 202020518580 U CN202020518580 U CN 202020518580U CN 211699109 U CN211699109 U CN 211699109U
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Abstract
The utility model discloses a mistake proofing digital device, which comprises a digital device (1), wherein the digital device (1) is provided with a distinguishing device, the distinguishing device comprises a remote control emitter (2), a remote control signal transmitting circuit (21) is arranged in the remote control emitter (2), and the remote control signal transmitting circuit (21) is provided with a switch (211); the digital equipment (1) is internally provided with a remote control signal receiving circuit (11), the remote control signal receiving circuit (11) is provided with a buzzer B, a sound outlet (1a) is arranged at the position, facing the buzzer B, of the digital equipment (1), and the remote control signal receiving circuit (11) acquires a signal of a remote control signal transmitting circuit (21) and then controls the buzzer B to sound. The utility model discloses be provided with distinguishing device remote controller, after digital equipment is borrowed by classmates, conveniently retrieve the digital equipment of oneself through the remote controller.
Description
Technical Field
The utility model relates to a computer technology field especially relates to a mistake proofing type digital equipment.
Background
The digital equipment is a common electronic equipment, in particular to a tablet personal computer and a functional calculator which are common electronic equipment for students, but the models of the tablet personal computer and the functional calculator used by many students are completely the same and are difficult to distinguish.
In the process that students use the tablet personal computers or the functional calculators, some students often forget to bring the tablet personal computers or the functional calculators, so that students usually borrow from each other for borrowing for the convenience of learning, so that the borrowed owner cannot find the tablet personal computers or the functional calculators, and the tablet personal computers or the functional calculators with the same model are difficult to find without any distinguishing marks.
Therefore, the prior art has the defect that the tablet personal computer or the calculator of the same model is not provided with a distinguishing device, and the tablet personal computer or the calculator is difficult to find back after the tablet personal computer or the calculator is borrowed by students and is not returned by other people.
SUMMERY OF THE UTILITY MODEL
In view of at least one defect of the prior art, the utility model aims at providing an error-proofing digital equipment is provided with the distinguishing device remote controller, after digital equipment is borrowed by classmates, when nobody returns, conveniently finds out the digital equipment of oneself through the remote controller.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the error-proof digital equipment comprises digital equipment and is characterized in that the digital equipment is provided with a distinguishing device, the distinguishing device comprises a remote control transmitter, a remote control signal transmitting circuit is arranged in the remote control transmitter, and the remote control signal transmitting circuit is provided with a switch; the digital equipment is internally provided with a remote control signal receiving circuit, the remote control signal receiving circuit is provided with a buzzer B, a sound outlet is arranged at the position of the digital equipment, which is over against the buzzer B, and the remote control signal receiving circuit acquires a signal of the remote control signal transmitting circuit and then controls the buzzer B to sound.
Through the structure, when the digital equipment of the user is borrowed and nobody returns, the digital equipment can be retrieved through the remote control transmitter, the user presses the switch, the remote control signal transmitting circuit sends out a wireless control signal, and the remote control signal receiving circuit in the digital equipment controls the buzzer B to sound after acquiring the wireless control signal of the remote control signal transmitting circuit. The digital equipment can be found out by the calling of the buzzer B, so that the digital equipment can be found out conveniently and is prevented from being taken by mistake.
The remote control signal receiving circuit is directly powered by a battery in the digital equipment and is not limited by a switch key of the digital equipment.
The frequencies or signals of the remote control signal receiving circuit and the remote control signal transmitting circuit are in one-to-one correspondence, namely, one remote control transmitter can only control one corresponding digital device to sound.
The remote control transmitter can only be mastered by the owner of the digital equipment and does not need to be lent out together with the digital equipment.
The digital device is either a calculator or a tablet computer.
The two digital devices are digital devices commonly used by students.
The utility model has the obvious effects that the utility model provides an error-proof digital equipment is provided with a distinguishing device remote controller, and the digital equipment can be conveniently found back through the remote controller after the digital equipment is borrowed by students and when nobody returns.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a circuit diagram of a remote control signal transmitting circuit;
fig. 3 is a circuit diagram of a remote control signal receiving circuit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, an error-proof digital device comprises a digital device 1, wherein the digital device 1 is provided with a distinguishing device, the distinguishing device comprises a remote control transmitter 2, a remote control signal transmitting circuit 21 is arranged in the remote control transmitter 2, and the remote control signal transmitting circuit 21 is provided with a switch 211; the digital device 1 is internally provided with a remote control signal receiving circuit 11, the remote control signal receiving circuit 11 is provided with a buzzer B, the digital device 1 is provided with a sound outlet 1a at a position opposite to the buzzer B, and the remote control signal receiving circuit 11 controls the buzzer B to sound after acquiring a signal of a remote control signal transmitting circuit 21.
The remote control transmitter 2 is separate from the body of the digital device 1 and is connectable by wireless signals.
The sound outlet 1a can be used in combination with a sound outlet of an existing digital device 1.
The digital device 1 is a calculator.
With the above structure, when the digital device 1 of the user is borrowed and nobody returns, the digital device can be retrieved by the remote control transmitter 2, the user presses the switch 211, the remote control signal transmitting circuit 21 sends out a control signal, and the remote control signal receiving circuit 11 in the digital device 1 acquires the signal of the remote control signal transmitting circuit 21 and controls the buzzer B to sound. The digital equipment can be found out by the calling of the buzzer B, so that the digital equipment can be found out conveniently and is prevented from being taken by mistake.
The remote control signal receiving circuit 11 is directly powered by a battery in the digital device 1 and is not limited by a switch key of the digital device 1.
The frequencies or signals of the remote control signal receiving circuit 11 and the remote control signal transmitting circuit 21 are in one-to-one correspondence, that is, one remote control transmitter 2 can only control one corresponding calculator to sound.
The remote control signal transmitting circuit 21 comprises an inductance coil L11 and an inductance coil L12 which are wound on a first magnetic core, one end of the inductance coil L11 is connected with a first antenna, the other end of the inductance coil L11 is grounded, one end of the inductance coil L12 is connected with one end of a capacitor C12, and the other end of the capacitor C12 is connected with the other end of the inductance coil L12; one end of the inductance coil L12 is also connected with the base electrode of the triode VT1 through a capacitor C11, the base electrode of the triode VT1 is also connected with a power supply through a resistor R11, and the base electrode of the triode VT1 is also grounded through a resistor R12; the collector of the triode VT1 is connected with the middle tap of the inductance coil L12 in parallel and then is connected with a power supply, the emitter of the triode VT1 is connected with one end of the switch 211 through a resistor R13, and the other end of the switch 211 is grounded; the emitter of the transistor VT1 is also connected to ground via a capacitor C13.
As shown in fig. 1, the remote control transmitter 2 is provided with a housing 20 made of plastic, the remote control signal transmitting circuit 21 is arranged in the housing 20, the switch 211 is arranged on the surface of the housing 20, the remote control signal transmitting circuit 21 is powered by a button battery, the front end of the housing 20 is also embedded with an illuminating LED lamp 214 and an ultraviolet LED lamp 215, the button battery supplies power to the illuminating LED lamp 214 and the ultraviolet LED lamp 215 through an illuminating switch 212 and a banknote checking switch 213, wherein the ultraviolet LED lamp 215 can emit ultraviolet light for identifying banknotes, and the banknotes are irradiated by the ultraviolet LED lamp 215, so that identification marks on the banknotes can be seen. The remote control emitter 2 is provided with a hanging hole 216, and can be hung on a key string through the hanging hole 216 at ordinary times to be used as a flashlight and a currency detecting lamp, so that the functions of the remote control emitter are fully played. The remote control transmitter 2 has simple structure and low cost, has multiple functions, and is equivalent to one-to-one purchase. The surface of the shell 20 can be provided with cartoon patterns for decoration.
The remote control signal receiving circuit 11 is powered by the internal battery of the calculator 1, and may be a conventional button cell, a dry cell, or a solar cell 12, or a combination thereof.
The remote control signal transmitting circuit 21 has a simple structure, the oscillation frequency is determined by L12 and C12, and L11 and L12 are wound on the same first magnetic core. The circuit is of a non-modulation type, and when the switch 211 is pressed, the circuit starts to vibrate, and the first antenna radiates a high-frequency carrier wave into the air.
The remote control signal receiving circuit 11 comprises an inductance coil L21 and an inductance coil L22 which are wound on a second magnetic core; the head end of the inductance coil L21 is connected with a second antenna through a capacitor C21, the head end of the inductance coil L21 is also connected with one end of a variable capacitor C22, and the other end of the variable capacitor C22 is connected with the tail end of the inductance coil L21 in parallel and then grounded; one end of an inductance coil L22 is grounded through a capacitor C23, the other end of the inductance coil L22 is connected with the base electrode of a triode VT2, the collector electrode of the triode VT2 is connected with a power supply through a buzzer B, the buzzer B is connected with a capacitor C24 in parallel, the collector electrode of a triode VT2 is also connected with the collector electrode of the triode VT3, the emitter electrode of the triode VT2 is also connected with the base electrode of a triode VT3, and the emitter electrode of the triode VT3 is grounded.
The remote control signal receiving circuit 11 is a simple direct amplification type radio remote control receiver for receiving a remote control command transmitted from a transmitter, but it should be noted that the resonant frequencies of L21 and C22 must coincide with the frequency of a high-frequency carrier transmitted from the transmitter. The received high frequency carrier is coupled by L22 and C23, and VT2 detects and VT3 amplifies the carrier, and directly drives the buzzer B to complete remote control action.
Certainly, the remote control signal transmitting circuit 21 and the remote control signal receiving circuit 11 are not limited to the above circuits, and can completely adopt the remote control signal transmitting circuit and the remote control signal receiving circuit which are mature in the prior art, for example, GW-TX-13-4KEY, TX11-4KEY remote control transmitters and the matched receiving circuits thereof of shenzhen jialiai electronics company, and manufacturers can customize the remote control signal transmitting circuit and the remote control signal receiving circuit according to requirements.
Since the mature remote control circuits are too many to enumerate, the skilled person can use them completely according to his own needs.
Finally, it is noted that: the above list is only the concrete implementation example of the present invention, and of course those skilled in the art can make modifications and variations to the present invention, and if these modifications and variations fall within the scope of the claims of the present invention and their equivalent technology, they should be considered as the protection scope of the present invention.
Claims (4)
1. An error-proof digital device comprises a digital device (1), and is characterized in that the digital device (1) is provided with a distinguishing device, the distinguishing device comprises a remote control emitter (2), a remote control signal emitting circuit (21) is arranged in the remote control emitter (2), and the remote control signal emitting circuit (21) is provided with a switch (211); the digital equipment (1) is internally provided with a remote control signal receiving circuit (11), the remote control signal receiving circuit (11) is provided with a buzzer B, a sound outlet (1a) is arranged at the position, facing the buzzer B, of the digital equipment (1), and the remote control signal receiving circuit (11) acquires a signal of a remote control signal transmitting circuit (21) and then controls the buzzer B to sound.
2. The error-proofing digital device of claim 1, wherein: the digital device (1) is either a calculator or a tablet computer.
3. The error-proofing digital device of claim 1, wherein: the remote control signal transmitting circuit (21) comprises an inductance coil L11 and an inductance coil L12 which are wound on a first magnetic core, one end of the inductance coil L11 is connected with a first antenna, the other end of the inductance coil L11 is grounded, one end of the inductance coil L12 is connected with one end of a capacitor C12, and the other end of the capacitor C12 is connected with the other end of the inductance coil L12; one end of the inductance coil L12 is also connected with the base electrode of the triode VT1 through a capacitor C11, the base electrode of the triode VT1 is also connected with a power supply through a resistor R11, and the base electrode of the triode VT1 is also grounded through a resistor R12; the collector of the triode VT1 is connected with the middle tap of the inductance coil L12 in parallel and then is connected with a power supply, the emitter of the triode VT1 is connected with one end of the switch (211) through the resistor R13, and the other end of the switch (211) is grounded; the emitter of the transistor VT1 is also connected to ground via a capacitor C13.
4. The error-proofing digital device of claim 1, wherein: the remote control signal receiving circuit (11) comprises an inductance coil L21 and an inductance coil L22 which are wound on the second magnetic core; the head end of the inductance coil L21 is connected with a second antenna through a capacitor C21, the head end of the inductance coil L21 is also connected with one end of a variable capacitor C22, and the other end of the variable capacitor C22 is connected with the tail end of the inductance coil L21 in parallel and then grounded; one end of an inductance coil L22 is grounded through a capacitor C23, the other end of the inductance coil L22 is connected with the base electrode of a triode VT2, the collector electrode of the triode VT2 is connected with a power supply through a buzzer B, the buzzer B is connected with a capacitor C24 in parallel, the collector electrode of a triode VT2 is also connected with the collector electrode of the triode VT3, the emitter electrode of the triode VT2 is also connected with the base electrode of a triode VT3, and the emitter electrode of the triode VT3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518580.4U CN211699109U (en) | 2020-04-10 | 2020-04-10 | Error-proof digital equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020518580.4U CN211699109U (en) | 2020-04-10 | 2020-04-10 | Error-proof digital equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211699109U true CN211699109U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020518580.4U Active CN211699109U (en) | 2020-04-10 | 2020-04-10 | Error-proof digital equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211699109U (en) |
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2020
- 2020-04-10 CN CN202020518580.4U patent/CN211699109U/en active Active
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