CN217770089U - Remote control signal switches analogue means - Google Patents
Remote control signal switches analogue means Download PDFInfo
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- CN217770089U CN217770089U CN202221405825.8U CN202221405825U CN217770089U CN 217770089 U CN217770089 U CN 217770089U CN 202221405825 U CN202221405825 U CN 202221405825U CN 217770089 U CN217770089 U CN 217770089U
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Abstract
The utility model relates to an electronic circuit technical field, concretely relates to remote control signal switches analogue means. The counting display circuit is provided with a counter and a plurality of digital display tubes and is used for controlling each digital display tube to switch and display according to a channel control signal and controlling the currently displayed digital display tube to display numerical values after the numerical value signal is obtained. The utility model discloses can realize that infrared remote control signal's control channel switches analogue test to the accuracy of simulation is switched in effective verification.
Description
Technical Field
The utility model relates to an electronic circuit technical field, concretely relates to remote control signal switches analogue means.
Background
With the development of electronic technology, switching control of multiple channels of signals is gradually applied to various signal control devices and scenes, such as VGA switches, which can automatically select and output one of multiple channels of video signals to one output device through an automatic switch, thereby realizing selection of 1 channel of video signals for output. Various multi-channel signal switching simulation devices are also gradually applied to the simulation test teaching of the technology, but no related technology which specially forms a corresponding control channel switching simulation device aiming at an infrared remote control signal and can verify the switching simulation accuracy exists at present.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a remote control signal switches analogue means, during its application, can realize that infrared remote control signal's control channel switches analogue test to effectively verify the accuracy of switching the simulation.
The utility model discloses the technical scheme who adopts does:
a remote control signal switching simulation device comprises a first key switch, a second key switch, an infrared transmitting circuit, an infrared receiving circuit, a first gating circuit, a second gating circuit and a counting display circuit, wherein a control end of the infrared transmitting circuit is connected with the first key switch and the second key switch respectively, an output end of the infrared transmitting circuit is connected with an infrared transmitting diode, the first key switch and the second key switch are used for sending a first switch signal and a second switch signal to the infrared transmitting circuit respectively, the infrared transmitting circuit is used for controlling the infrared transmitting diode to send a first frequency infrared signal after receiving the first switch signal and controlling the infrared transmitting diode to send a second frequency infrared signal after receiving the second switch signal, the infrared receiving circuit is provided with an infrared receiving diode and used for receiving the first frequency infrared signal or the second frequency infrared signal and converting the first frequency infrared signal into a first output electric signal and a second output electric signal respectively, the first gating circuit is used for gating the first output electric signal and converting the first output electric signal into a channel control signal, the second output electric signal and converting the second output electric signal into a first output electric signal and a second output electric signal, a counter and a digital display circuit are used for displaying a digital display signal after receiving the digital display tube controls the digital display tube to display signal, and the digital display circuit to control the digital display signal.
Based on the technical content, the infrared transmitting circuit can be controlled to transmit the first frequency infrared signal through the first key switch, the infrared receiving circuit receives the first frequency infrared signal and converts the first frequency infrared signal into a first output electric signal, the first gating circuit gates the first output electric signal and converts the first output electric signal into a channel control signal, and the counting display circuit controls the corresponding digital display tube to perform switching display according to the channel control signal so as to simulate the control channel switching operation of the testing remote control signal. The infrared transmitting circuit can be controlled to transmit a second frequency infrared signal through the second key switch, the infrared receiving circuit converts the second frequency infrared signal into a second output electric signal after receiving the second frequency infrared signal, the second gating circuit gates the second output electric signal and converts the second output electric signal into a counting signal, and the counting display circuit controls a currently displayed digital display tube to display a numerical value by using the counting signal so as to verify the switching accuracy of a control channel of the remote control signal. The device can realize the control channel switching simulation test of the infrared remote control signal, effectively verify the accuracy of the switching simulation and is very convenient to use.
Furthermore, the device also comprises a channel display circuit, wherein the channel display circuit is connected with a channel display, the channel display circuit is used for receiving the channel control signal and controlling the channel display to display the channel value according to the channel control signal, and the channel value respectively corresponds to each digital display tube.
Furthermore, the device also comprises a numerical value verification circuit, wherein the numerical value verification circuit is connected with a plurality of indicator lamps, the numerical value verification circuit is used for receiving the counting signals and controlling the indicator lamps to switch and display according to the counting signals, and the indicator lamps respectively correspond to the numerical values displayed by the digital display tube.
Furthermore, the device also comprises a channel verification circuit, wherein the channel verification circuit is provided with a control relay, the output ends of the control relay are respectively connected with a plurality of light emitting diodes, the channel verification circuit is used for receiving channel control signals and driving the control relay to carry out switch switching control on each light emitting diode according to the channel control signals, and each light emitting diode respectively corresponds to each digital display tube.
Furthermore, the infrared transmitting circuit comprises an NE555D type oscillator, the control end of the NE555D type oscillator is respectively connected with the first key switch and the second key switch, and the output end of the NE555D type oscillator is connected with the infrared emitting diode.
Further, the infrared receiving circuit includes an amplifier for amplifying the first output electrical signal or the second output electrical signal.
Further, the first gating circuit and the second gating circuit are provided with LM567 type phase-locked loop circuit tone decoders.
Furthermore, the number of the digital display tubes is two, the counting display circuit further comprises a CH440G type bidirectional analog switch chip, and the CH440G type bidirectional analog switch chip is used for controlling the two digital display tubes to perform switching display after receiving the channel control signal.
The utility model has the advantages that:
the utility model discloses a first key switch can control infrared transmitting circuit transmission first frequency infrared signal, and infrared receiving circuit establishes and changes it into first output signal of telecommunication after receiving first frequency infrared signal, and the first output signal of telecommunication of first gating circuit gating to convert it to channel control signal, count display circuit switches the demonstration according to the corresponding digital display tube of channel control signal control, switches the operation with analogue test remote control signal's control channel. The infrared transmitting circuit can be controlled to transmit a second frequency infrared signal through the second key switch, the infrared receiving circuit receives the second frequency infrared signal and converts the second frequency infrared signal into a second output electric signal, the second gating circuit gates the second output electric signal and converts the second output electric signal into a counting signal, and the counting display circuit controls a currently displayed digital display tube to display a numerical value by using the counting signal so as to verify the control channel switching accuracy of the remote control signal. The utility model discloses can realize infrared remote control signal's control channel switches analogue test to effectively verify the accuracy of switching the simulation, it is very convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic circuit diagram of a switch switching and infrared emitting portion;
FIG. 2 is a schematic circuit connection diagram of the infrared receiving circuit, the first gating circuit and the second gating circuit;
FIG. 3 is a first circuit diagram of a count display circuit;
FIG. 4 is a second circuit diagram of the count display circuit;
FIG. 5 is a circuit diagram of a channel display circuit;
FIG. 6 is a circuit diagram of a numerical verification circuit;
FIG. 7 is a circuit diagram of a channel verification circuit.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely representative for purposes of describing example embodiments of the present invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
In the following description, specific details are provided to provide a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example (b):
the embodiment provides a remote control signal switching analog device, as shown in fig. 1 to 4, which includes a first key switch, a second key switch, an infrared transmitting circuit, an infrared receiving circuit, a first gating circuit, a second gating circuit and a counting display circuit, wherein a control end of the infrared transmitting circuit is connected to the first key switch and the second key switch respectively, an output end of the infrared transmitting circuit is connected to an infrared emitting diode, the first key switch and the second key switch are used for sending a first switch signal and a second switch signal to the infrared transmitting circuit respectively, the infrared transmitting circuit is used for controlling the infrared emitting diode to send a first frequency infrared signal after receiving the first switch signal, and controlling the infrared emitting diode to send a second frequency infrared signal after receiving the second switch signal, the infrared receiving circuit is provided with the infrared receiving diode and used for receiving the first frequency infrared signal or the second frequency infrared signal and converting the first frequency infrared signal or the second frequency infrared signal into a first output electric signal and a second output electric signal respectively, the first gating circuit is used for gating the first output electric signal and converting the second frequency infrared signal into a second output electric signal and displaying a digital signal, and displaying a digital value after receiving counter receives the digital signal and displaying a digital value.
When the digital display device is specifically implemented, a user can control the infrared transmitting circuit to transmit a first-frequency infrared signal through the first key switch, the infrared receiving circuit receives the first-frequency infrared signal and converts the first-frequency infrared signal into a first output electric signal, the first gating circuit gates the first output electric signal and converts the first output electric signal into a channel control signal, and the counting display circuit controls the corresponding digital display tube to perform switching display according to the channel control signal so as to simulate the control channel switching operation of a test remote control signal. The infrared transmitting circuit can be controlled to transmit a second frequency infrared signal through the second key switch, the infrared receiving circuit converts the second frequency infrared signal into a second output electric signal after receiving the second frequency infrared signal, the second gating circuit gates the second output electric signal and converts the second output electric signal into a counting signal, and the counting display circuit controls a currently displayed digital display tube to display a numerical value by using the counting signal so as to verify the switching accuracy of a control channel of the remote control signal.
In one possible design, the infrared emission circuit comprises an NE555D type oscillator, a control end of the NE555D type oscillator is connected with the first key switch and the second key switch respectively, and an output end of the NE555D type oscillator is connected with the infrared emission diode. The first key switch and the second key switch are respectively S1 and S2, when the S1 and the S2 are pressed down, the capacitor C4 is provided with different charging and discharging channels, so that the NE555D type oscillator sends out pulses with different frequencies, the infrared emitting diode can send out infrared signals with first frequency or infrared signals with second frequency, and the infrared receiving end can distinguish which key is pressed down.
In one possible design, the infrared receiving circuit includes an infrared receiving diode D2 and an amplifier LM358, and the amplifier LM358 is configured to amplify the first output electrical signal or the second output electrical signal generated by the infrared receiving diode D2 receiving the infrared signal.
In one possible design, the first gating circuit and the second gating circuit are both provided with an LM567 type phase-locked loop circuit tone decoder, when the frequency of an input signal of the LM567 type phase-locked loop circuit tone decoder is within a passband range, a switching triode in the circuit is in saturated conduction with the ground, and the circuit shows a gating function on the input sinusoidal signal within a specified frequency range.
In one possible design, as shown in fig. 3, there are two digital display tubes, the counting display circuit further includes a CH440G bidirectional analog switch chip, and the CH440G bidirectional analog switch chip is used to control the two digital display tubes to perform switching display after receiving the channel control signal. The counter can adopt a CD4511 chip and a CD4518 chip to cooperate to realize a one-bit counting function so as to control the digital display tube to display the counting numerical value.
In one possible design, as shown in fig. 5, the apparatus further includes a channel display circuit, the channel display circuit is connected to a channel display DS1, the channel display circuit is configured to receive a channel Control signal (Control), and Control the channel display DS1 to display a channel value according to the channel Control signal (Control), where the channel value corresponds to each digital display tube, and is used to represent that the analog is switched to a corresponding Control channel. The channel display DS1 also uses a nixie tube, which is driven by a 74LS47N chip to display.
In one possible design, as shown in fig. 6, the device further includes a numerical verification circuit, the numerical verification circuit is connected with a plurality of indicator lamps (LED 1-LED 10), the numerical verification circuit is configured to receive the counting signal (CLK PUL), and control each indicator lamp (LED 1-LED 10) to perform switching display according to the counting signal (CLK PUL), each indicator lamp (LED 1-LED 10) corresponds to a numerical value displayed by the digital display tube, if the numerical value displayed by the current digital display tube is 1, the current digital display tube corresponds to LED1, and so on, and the lighted indicator lamps can verify whether the numerical value displayed by the digital display tube is correct or not.
In one possible design, as shown in fig. 7, the apparatus further includes a channel verification circuit, the channel verification circuit is provided with a Control RELAY1, an output end of the Control RELAY1 is respectively connected with a light emitting diode LED11 and an LED12, a Control end of the Control RELAY1 is connected with an optical coupler PC817, an input end of the optical coupler PC817 is connected with a channel Control signal (Control), the optical coupler PC817 is used to electrically isolate the input and output side circuits, and drive the Control RELAY1 according to the channel Control signal (Control) to perform the switching Control of the light emitting diodes LED11 and LED12, where each light emitting diode corresponds to each digital display tube, so as to verify whether to switch to the corresponding Control channel in an analog manner.
The present invention is not limited to the above-mentioned alternative embodiments, and other various products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined by the appended claims, which are to be interpreted as illustrative of the scope of the invention.
Claims (8)
1. A remote control signal switches analogue means which characterized in that: the digital display device comprises a first key switch, a second key switch, an infrared transmitting circuit, an infrared receiving circuit, a first gating circuit, a second gating circuit and a counting display circuit, wherein a control end of the infrared transmitting circuit is respectively connected with the first key switch and the second key switch, an output end of the infrared transmitting circuit is connected with an infrared transmitting diode, the first key switch and the second key switch are respectively used for transmitting a first switch signal and a second switch signal to the infrared transmitting circuit, the infrared transmitting circuit is used for controlling the infrared transmitting diode to transmit a first frequency infrared signal after receiving the first switch signal and controlling the infrared transmitting diode to transmit a second frequency infrared signal after receiving the second switch signal, the infrared receiving circuit is provided with an infrared receiving diode and used for receiving the first frequency infrared signal or the second frequency infrared signal and respectively converting the first frequency infrared signal into a first output electric signal and a second output electric signal, the first gating circuit is used for gating the first output electric signal and converting the first output electric signal into a channel control signal, the second output electric signal into a counting signal, the counting display circuit is provided with a plurality of counting display tubes and a counter for switching the digital display tube to control the digital display signal, and obtain a digital display value after the digital display control display signal is received by the digital display tube.
2. A remote control signal switching analog device as claimed in claim 1, wherein: the device also comprises a channel display circuit, wherein the channel display circuit is connected with a channel display, the channel display circuit is used for receiving the channel control signal and controlling the channel display to display the channel value according to the channel control signal, and the channel value respectively corresponds to each digital display tube.
3. A remote control signal switching analog device as claimed in claim 1, wherein: the device also comprises a numerical value verification circuit, wherein the numerical value verification circuit is connected with a plurality of indicator lamps, the numerical value verification circuit is used for receiving the counting signal and controlling each indicator lamp to switch and display according to the counting signal, and each indicator lamp corresponds to the numerical value displayed by the digital display tube respectively.
4. A remote control signal switching analog device as claimed in claim 1, wherein: the device also comprises a channel verification circuit, wherein the channel verification circuit is provided with a control relay, the output end of the control relay is respectively connected with a plurality of light-emitting diodes, the channel verification circuit is used for receiving a channel control signal and driving the control relay to carry out on-off switching control on each light-emitting diode according to the channel control signal, and each light-emitting diode respectively corresponds to each digital display tube.
5. A remote control signal switching analog device as claimed in claim 1, wherein: the infrared transmitting circuit comprises an NE555D type oscillator, the control end of the NE555D type oscillator is respectively connected with the first key switch and the second key switch, and the output end of the NE555D type oscillator is connected with the infrared transmitting diode.
6. A remote control signal switching analog device as claimed in claim 1, wherein: the infrared receiving circuit includes an amplifier for amplifying the first output electrical signal or the second output electrical signal.
7. A remote control signal switching analog device as claimed in claim 1, wherein: and the first gating circuit and the second gating circuit are both provided with LM567 type phase-locked loop circuit tone decoders.
8. A remote control signal switching analog device as claimed in claim 1, wherein: the digital display tubes are two, the counting display circuit further comprises a CH440G type bidirectional analog switch chip, and the CH440G type bidirectional analog switch chip is used for controlling the two digital display tubes to switch and display after receiving the channel control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405825.8U CN217770089U (en) | 2022-06-06 | 2022-06-06 | Remote control signal switches analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221405825.8U CN217770089U (en) | 2022-06-06 | 2022-06-06 | Remote control signal switches analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217770089U true CN217770089U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221405825.8U Active CN217770089U (en) | 2022-06-06 | 2022-06-06 | Remote control signal switches analogue means |
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| Country | Link |
|---|---|
| CN (1) | CN217770089U (en) |
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- 2022-06-06 CN CN202221405825.8U patent/CN217770089U/en active Active
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