CN211630151U - Signal receiving and modulating circuit for intelligent equipment - Google Patents
Signal receiving and modulating circuit for intelligent equipment Download PDFInfo
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- CN211630151U CN211630151U CN202020245600.5U CN202020245600U CN211630151U CN 211630151 U CN211630151 U CN 211630151U CN 202020245600 U CN202020245600 U CN 202020245600U CN 211630151 U CN211630151 U CN 211630151U
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Abstract
The utility model discloses a be used for smart machine signal reception modulation circuit, include: the device comprises a signal detection module, a signal conversion module, an anti-interference module, a signal modulation module and a control output module, wherein a diode D1 in the signal detection module controls the output direction of a received signal, and a capacitor C1 and a resistor R4 form a series signal storage circuit to filter redundant frequency bands; a capacitor C2 and a diode D3 in the signal conversion module store the converted signals to prevent data loss, and a triode Q1 controls the on-off of the signals; a triode Q2 in the anti-interference module is used as a non-contact switch to filter a path and received redundant signals through a base terminal; the inductor L1 and the inductor L2 in the signal modulation module supply the stored charges to the modulation module to maintain the stability of the affected signal output; the trimming resistor R17 in the control output module can be adjusted according to the output requirement, so that different output requirements are greatly met, and the application range is widened.
Description
Technical Field
The utility model belongs to the technical field of the integrated circuit technique and specifically relates to a be used for smart machine signal reception modulation circuit.
Background
The integrated circuit is a miniature electronic device or component, and the required components of transistor, resistor, capacitor and inductor in a circuit are connected together with wiring by adopting a certain process, and then are made on a small block or several small semiconductor devices, and then are packaged in a pipe wall to form the integrated circuit with the required circuit function, wherein all the components are structurally integrated, so that the electronic components are advanced towards low power consumption and intellectualization.
The existing signal receiving modulation circuit can be interfered by elements in an integrated circuit, and detection data can not pass through a one-way output port when the signal is received; when a received signal enters, redundant frequency bands cannot be filtered, so that the stability of data is influenced; the detection signal can not be stored and controlled after the data conversion; the stability of the affected signal cannot be maintained when the converted signal is output.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the signal receiving and modulating circuit for the intelligent equipment is provided to solve the problems in the prior art.
The technical scheme is as follows: a signal reception modulation circuit for a smart device, comprising: the device comprises a signal detection module, a signal conversion module, an anti-interference module, a signal modulation module and a control output module, wherein a diode D1 in the signal detection module controls the output direction of a received signal, and a capacitor C1 and a resistor R4 form a series signal storage circuit to filter redundant frequency bands; a capacitor C2 and a diode D3 in the signal conversion module store the converted signals to prevent data loss, and a triode Q1 controls the on-off of the signals; a triode Q2 in the anti-interference module is used as a non-contact switch to filter a path and received redundant signals through a base terminal; the inductor L1 and the inductor L2 in the signal modulation module supply the stored charges to the modulation module to maintain the stability of the affected signal output; the trimming resistor R17 in the control output module can be adjusted according to the output requirement, so that different output requirements are greatly met, and the application range is widened.
In a further embodiment, the signal detection module comprises an operational amplifier U1, a diode D1, a resistor R2, an adjustable resistor R3, a resistor R4, a capacitor C1, a resistor R5, a resistor R1 and a diode D2, wherein pin 3 of the operational amplifier U1 is connected with a ground GND; the pin 6 of the operational amplifier U1 is connected with the positive end of a diode D1; pin 5 of the operational amplifier U1 is connected with one end of a resistor R1; the pin 7 of the operational amplifier U1 is respectively connected with one end of a resistor R2, one end of a resistor R4, the other end of a resistor R1 and one end of a resistor R5; the negative end of the diode D1 is respectively connected with pin 1 and pin 2 of the adjustable resistor R3; the pin 3 of the adjustable resistor R3 is connected with the other end of the resistor R2; the other end of the resistor R4 is connected with the positive end of the capacitor C1; and the negative end of the capacitor C1 is respectively connected with the negative end of the diode D2 and the ground wire GND.
In a further embodiment, the signal conversion module includes a signal amplifier U2, a resistor R6, a resistor R7, a capacitor C2, a diode D3, a resistor R8, a resistor R9, a transistor Q1, a diode D4, and a resistor R10, wherein a pin 2 of the signal amplifier U2 is connected to the other end of the resistor R5; the pin 3 of the signal amplifier U2 is respectively connected with one end of a resistor R6 and the positive end of a diode D2; the pin 7 of the signal amplifier U2 is respectively connected with one end of a resistor R7 and the other end of a resistor R6; the other end of the resistor R7 is respectively connected with one end of a capacitor C2, the negative electrode end of a diode D3 and one end of a resistor R8; the other end of the capacitor C2 is respectively connected with the positive end of the diode D3, one end of the resistor R9, the negative end of the diode D4 and the ground wire GND; the other end of the resistor R8 is connected with the base terminal of a triode Q1; the emitter terminal of the triode Q1 is connected with the other end of the resistor R9; the collector terminal of the triode Q1 is connected with one end of a resistor R10.
In a further embodiment, the anti-interference module comprises a resistor R11, a transistor Q2, a capacitor C3 and a resistor R12, wherein one end of the resistor R11 is connected with the other end of the resistor R10; the other end of the resistor R11 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R12; the emitter terminal of the triode Q2 is respectively connected with one end of a capacitor C3, the positive terminal of a diode D4 and a ground wire GND; the other end of the resistor R12 is connected with the other end of the capacitor C3.
In a further embodiment, the signal modulation module comprises a capacitor C4, a capacitor C5, a resistor R13, an inductor L1, a diode D5 and a capacitor C6, wherein the positive terminal of the capacitor C4 is connected to one terminal of the capacitor C5, one terminal of the resistor R13, one terminal of the diode D5, the other terminal of the resistor R12 and the other terminal of the capacitor C3 respectively; the negative end of the capacitor C4 is respectively connected with the other end of the capacitor C5, one end of the inductor L1, one end of the inductor L2, the emitter end of the triode Q2, one end of the capacitor C3, the positive end of the diode D4 and the ground wire GND; the other end of the resistor R13 is connected with one end of an inductor L1; the other end of the inductor L2 is connected with one end of a capacitor C6; the other end of the capacitor C6 is connected with the cathode end of the diode D5.
In a further embodiment, the control output module includes a resistor R14, a resistor R15, a resistor R16, a trimming resistor R17, a capacitor C7, a triac U3, and a triac U4, wherein one end of the resistor R14 is connected to one end of the resistor R15, the other end of the capacitor C6, and the negative end of the diode D5, respectively; the other end of the resistor R14 is respectively connected with one end of a capacitor C7, a pin 2 of a bidirectional thyristor U4 and a ground wire GND; the other end of the resistor R15 is respectively connected with one end of a resistor R16 and a pin 1 of a bidirectional thyristor U4; the other end of the resistor R16 is connected with one end of a trimming resistor R17; the other end of the trimming resistor R17 is respectively connected with the other end of the capacitor C7 and a pin 2 of a bidirectional silicon U3; the bidirectional silicon pin 1 is connected with a bidirectional thyristor U4 pin 3.
In a further embodiment, the diode D1, the diode D3, and the diode D5 are all zener diodes; the model of the triode Q1 and the model of the triode Q2 are both NPN; the capacitor C1, the capacitor C4 and the electrolytic capacitor are all electrolytic capacitors.
Has the advantages that: the utility model discloses an adopt triode Q2 to make contactless switch and filter through the unnecessary of base terminal pair route and receipt, reduce the stability of receiving the interference components and parts. The diode D1 has unidirectional conductivity during signal receiving, so that the output direction of a received signal is effectively controlled, and detection data has a unidirectional output port; when a received signal enters, the capacitor C1 and the resistor R4 form a series storage circuit to store effective data and filter redundant frequency bands; after data conversion, the capacitor C2 and the diode D3 store the converted signal to prevent loss, and the triode Q1 controls the signal; when the converted signal is output, the inductor L1 and the inductor L2 supply the stored charges to the affected signal device, and the signal output by the device is kept stable.
Drawings
Fig. 1 is a circuit diagram of the module of the present invention.
Fig. 2 is a circuit diagram of the signal detection module of the present invention.
Fig. 3 is a circuit diagram of the signal conversion module of the present invention.
Fig. 4 is a circuit diagram of the anti-jamming module of the present invention.
Fig. 5 is a circuit diagram of the signal modulation module of the present invention.
Fig. 6 is a circuit diagram of the control output module of the present invention.
Detailed Description
Referring to fig. 1 to 6, a signal receiving modulation circuit for a smart device includes: the signal detection module comprises an operational amplifier U1, a diode D1, a resistor R2, an adjustable resistor R3, a resistor R4, a capacitor C1, a resistor R5, a resistor R1 and a diode D2.
The signal conversion module comprises a signal amplifier U2, a resistor R6, a resistor R7, a capacitor C2, a diode D3, a resistor R8, a resistor R9, a triode Q1, a diode D4 and a resistor R10.
The anti-jamming module comprises a resistor R11, a triode Q2, a capacitor C3 and a resistor R12.
The signal modulation module comprises a capacitor C4, a capacitor C5, a resistor R13, an inductor L1, a diode D5 and a capacitor C6.
The control output module comprises a resistor R14, a resistor R15, a resistor R16, a trimming resistor R17, a capacitor C7, a bidirectional silicon U3 and a bidirectional thyristor U4.
The pin 3 of the operational amplifier U1 in the signal detection module is connected with a ground wire GND; the pin 6 of the operational amplifier U1 is connected with the positive end of a diode D1; pin 5 of the operational amplifier U1 is connected with one end of a resistor R1; the pin 7 of the operational amplifier U1 is respectively connected with one end of a resistor R2, one end of a resistor R4, the other end of a resistor R1 and one end of a resistor R5; the negative end of the diode D1 is respectively connected with pin 1 and pin 2 of the adjustable resistor R3; the pin 3 of the adjustable resistor R3 is connected with the other end of the resistor R2; the other end of the resistor R4 is connected with the positive end of the capacitor C1; and the negative end of the capacitor C1 is respectively connected with the negative end of the diode D2 and the ground wire GND.
The pin 2 of the signal amplifier U2 in the signal conversion module is connected with the other end of the resistor R5; the pin 3 of the signal amplifier U2 is respectively connected with one end of a resistor R6 and the positive end of a diode D2; the pin 7 of the signal amplifier U2 is respectively connected with one end of a resistor R7 and the other end of a resistor R6; the other end of the resistor R7 is respectively connected with one end of a capacitor C2, the negative electrode end of a diode D3 and one end of a resistor R8; the other end of the capacitor C2 is respectively connected with the positive end of the diode D3, one end of the resistor R9, the negative end of the diode D4 and the ground wire GND; the other end of the resistor R8 is connected with the base terminal of a triode Q1; the emitter terminal of the triode Q1 is connected with the other end of the resistor R9; the collector terminal of the triode Q1 is connected with one end of a resistor R10.
One end of the resistor R11 in the anti-interference module is connected with the other end of the resistor R10; the other end of the resistor R11 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R12; the emitter terminal of the triode Q2 is respectively connected with one end of a capacitor C3, the positive terminal of a diode D4 and a ground wire GND; the other end of the resistor R12 is connected with the other end of the capacitor C3.
The positive terminal of the capacitor C4 in the signal modulation module is respectively connected with one end of a capacitor C5, one end of a resistor R13, one end of a diode D5, the other end of the resistor R12 and the other end of a capacitor C3; the negative end of the capacitor C4 is respectively connected with the other end of the capacitor C5, one end of the inductor L1, one end of the inductor L2, the emitter end of the triode Q2, one end of the capacitor C3, the positive end of the diode D4 and the ground wire GND; the other end of the resistor R13 is connected with one end of an inductor L1; the other end of the inductor L2 is connected with one end of a capacitor C6; the other end of the capacitor C6 is connected with the cathode end of the diode D5.
One end of the resistor R14 in the control output module is respectively connected with one end of a resistor R15, the other end of the capacitor C6 and the cathode end of a diode D5; the other end of the resistor R14 is respectively connected with one end of a capacitor C7, a pin 2 of a bidirectional thyristor U4 and a ground wire GND; the other end of the resistor R15 is respectively connected with one end of a resistor R16 and a pin 1 of a bidirectional thyristor U4; the other end of the resistor R16 is connected with one end of a trimming resistor R17; the other end of the trimming resistor R17 is respectively connected with the other end of the capacitor C7 and a pin 2 of a bidirectional silicon U3; the bidirectional silicon pin 1 is connected with a bidirectional thyristor U4 pin 3.
The working principle is as follows: the operational amplifier U1 pin 2 receives an input signal, the diode D1 controls the output direction of the received signal, the capacitor C1 and the resistor R4 form a series signal storage circuit to filter redundant frequency bands, and the adjustable resistor R3 modifies the resistance value according to the output requirement; the signal amplifier U2 converts the detection signal to improve the propagation range, the capacitor C2 and the diode D3 store the converted signal to prevent data loss, and the triode Q1 controls the on-off of the signal; the triode Q2 is used as a non-contact switch to filter a path and received redundant signals through a base terminal, and when the capacitor C3 and the resistor R12 are connected in series, a transmission path through which detection data pass is stable; the capacitor C4 and the capacitor C5 are connected in parallel to form a filter circuit, the pulsating direct-current voltage is changed into stable direct-current voltage by utilizing the charging and discharging characteristics of the capacitor, the stability of output data is kept, and the inductor L1 and the inductor L2 supply the stored charges to the modulation module to keep the stability of the influenced signal output; the bidirectional thyristor U4 pin 3 can be triggered by the thyristor U3 to simplify the control circuit; the trimming resistor R17 can be adjusted according to the output requirement, so that different output requirements are greatly met, and the application range is widened.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (5)
1. A signal receiving and modulating circuit for intelligent equipment is characterized by comprising a signal detection module, a signal conversion module, an anti-interference module, a signal modulating module and a control output module, wherein a diode D1 in the signal detection module controls the output direction of a received signal, and a capacitor C1 and a resistor R4 form a series signal storage circuit to filter redundant frequency bands; a capacitor C2 and a diode D3 in the signal conversion module store the converted signals to prevent data loss, and a triode Q1 controls the on-off of the signals; a triode Q2 in the anti-interference module is used as a non-contact switch to filter a path and received redundant signals through a base terminal; the inductor L1 and the inductor L2 in the signal modulation module supply the stored charges to the modulation module to maintain the stability of the affected signal output; the trimming resistor R17 in the control output module can be adjusted according to the output requirement; the signal detection module comprises an operational amplifier U1, a diode D1, a resistor R2, an adjustable resistor R3, a resistor R4, a capacitor C1, a resistor R5, a resistor R1 and a diode D2, wherein a pin 3 of the operational amplifier U1 is connected with a ground wire GND; the pin 6 of the operational amplifier U1 is connected with the positive end of a diode D1; pin 5 of the operational amplifier U1 is connected with one end of a resistor R1; the pin 7 of the operational amplifier U1 is respectively connected with one end of a resistor R2, one end of a resistor R4, the other end of a resistor R1 and one end of a resistor R5; the negative end of the diode D1 is respectively connected with pin 1 and pin 2 of the adjustable resistor R3; the pin 3 of the adjustable resistor R3 is connected with the other end of the resistor R2; the other end of the resistor R4 is connected with the positive end of the capacitor C1; and the negative end of the capacitor C1 is respectively connected with the negative end of the diode D2 and the ground wire GND.
2. The signal receiving and modulating circuit for the intelligent equipment as claimed in claim 1, wherein: the signal conversion module comprises a signal amplifier U2, a resistor R6, a resistor R7, a capacitor C2, a diode D3, a resistor R8, a resistor R9, a triode Q1, a diode D4 and a resistor R10, wherein a pin 2 of the signal amplifier U2 is connected with the other end of the resistor R5; the pin 3 of the signal amplifier U2 is respectively connected with one end of a resistor R6 and the positive end of a diode D2; the pin 7 of the signal amplifier U2 is respectively connected with one end of a resistor R7 and the other end of a resistor R6; the other end of the resistor R7 is respectively connected with one end of a capacitor C2, the negative electrode end of a diode D3 and one end of a resistor R8; the other end of the capacitor C2 is respectively connected with the positive end of the diode D3, one end of the resistor R9, the negative end of the diode D4 and the ground wire GND; the other end of the resistor R8 is connected with the base terminal of a triode Q1; the emitter terminal of the triode Q1 is connected with the other end of the resistor R9; the collector terminal of the triode Q1 is connected with one end of a resistor R10.
3. The signal receiving and modulating circuit for the intelligent equipment as claimed in claim 1, wherein: the anti-interference module comprises a resistor R11, a triode Q2, a capacitor C3 and a resistor R12, wherein one end of the resistor R11 is connected with the other end of the resistor R10; the other end of the resistor R11 is connected with a collector terminal of a triode Q2; the base terminal of the triode Q2 is connected with one end of a resistor R12; the emitter terminal of the triode Q2 is respectively connected with one end of a capacitor C3, the positive terminal of a diode D4 and a ground wire GND; the other end of the resistor R12 is connected with the other end of the capacitor C3.
4. The signal receiving and modulating circuit for the intelligent equipment as claimed in claim 1, wherein: the signal modulation module comprises a capacitor C4, a capacitor C5, a resistor R13, an inductor L1, a diode D5 and a capacitor C6, wherein the positive end of the capacitor C4 is respectively connected with one end of the capacitor C5, one end of the resistor R13, one end of the diode D5, the other end of the resistor R12 and the other end of the capacitor C3; the negative end of the capacitor C4 is respectively connected with the other end of the capacitor C5, one end of the inductor L1, one end of the inductor L2, the emitter end of the triode Q2, one end of the capacitor C3, the positive end of the diode D4 and the ground wire GND; the other end of the resistor R13 is connected with one end of an inductor L1; the other end of the inductor L2 is connected with one end of a capacitor C6; the other end of the capacitor C6 is connected with the cathode end of the diode D5.
5. The signal receiving and modulating circuit for the intelligent equipment as claimed in claim 1, wherein: the control output module comprises a resistor R14, a resistor R15, a resistor R16, a trimming resistor R17, a capacitor C7, a bidirectional silicon U3 and a bidirectional thyristor U4, wherein one end of the resistor R14 is connected with one end of the resistor R15, the other end of the capacitor C6 and the negative electrode end of a diode D5 respectively; the other end of the resistor R14 is respectively connected with one end of a capacitor C7, a pin 2 of a bidirectional thyristor U4 and a ground wire GND; the other end of the resistor R15 is respectively connected with one end of a resistor R16 and a pin 1 of a bidirectional thyristor U4; the other end of the resistor R16 is connected with one end of a trimming resistor R17; the other end of the trimming resistor R17 is respectively connected with the other end of the capacitor C7 and a pin 2 of a bidirectional silicon U3; the bidirectional silicon pin 1 is connected with a bidirectional thyristor U4 pin 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245600.5U CN211630151U (en) | 2020-03-03 | 2020-03-03 | Signal receiving and modulating circuit for intelligent equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245600.5U CN211630151U (en) | 2020-03-03 | 2020-03-03 | Signal receiving and modulating circuit for intelligent equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211630151U true CN211630151U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020245600.5U Expired - Fee Related CN211630151U (en) | 2020-03-03 | 2020-03-03 | Signal receiving and modulating circuit for intelligent equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211630151U (en) |
-
2020
- 2020-03-03 CN CN202020245600.5U patent/CN211630151U/en not_active Expired - Fee Related
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