CN208608975U - A kind of electrical communication system - Google Patents
A kind of electrical communication system Download PDFInfo
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- CN208608975U CN208608975U CN201821502104.2U CN201821502104U CN208608975U CN 208608975 U CN208608975 U CN 208608975U CN 201821502104 U CN201821502104 U CN 201821502104U CN 208608975 U CN208608975 U CN 208608975U
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Abstract
The utility model discloses a kind of electrical communication systems, including server, the input terminal of the command signal output end connection voltage regulator circuit of server, the input terminal of the output end connection amplification regulating circuit of voltage regulator circuit, the input terminal of the output end connection power amplifier filter circuit of amplification regulating circuit, the output end connection signal transmitter E1 of power amplifier filter circuit, the command signal of server output, which is sent into voltage regulator circuit, to be handled, improve the stability of command signal transmitting, amplification regulating circuit is adjusted using the command signal that bandpass filtering exports voltage regulator circuit, it is played in the amplification process of transport and placing device AR1 and adjusts frequency effect well, prevent command signal from lacking of proper care in amplification process, amplified in power amplifier filter circuit using output signal fast power of the compound transistor pipe to transport and placing device AR2, recycle LC filter To the output signal accurate filtering of transport and placing device AR2, keep the frequency of command signal more accurate.
Description
Technical field
The utility model relates to electronic communication technology fields, more particularly to a kind of electrical communication system.
Background technique
Telecommunications is that people's lives provide great convenience, with the continuous development of telecommunications, corresponding electricity
Sub- equipment also brings along very big progress, makes the better service society of science and technology.Though telecommunications development is very mature, for mesh
There are still many problems for preceding wireless electronic communication system, and existing wireless electronic communication system is usually under communication server end
Send instructions signal, is sent after enhanced processing by signal projector, to achieve the purpose that telecommunication, and in command signal
The phenomenon that often will appear misregistration signal during amplification, the accuracy of command signal is influenced, command signal transmission is caused to be lost
It loses, or even the phenomenon that erroneous transmissions occurs, very big interference is carried out to communication band.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model to be designed to provide a kind of electronics logical
News system.
Its technical solution solved is: the command signal of a kind of electrical communication system, including server, the server is defeated
Outlet connects the input terminal of voltage regulator circuit, the input terminal of the output end connection amplification regulating circuit of voltage regulator circuit, and amplification adjusts electricity
The input terminal of the output end connection power amplifier filter circuit on road, the output end connection signal transmitter E1 of power amplifier filter circuit；It is described
Power amplifier filter circuit includes triode VT2, and the base stage of triode VT2 connects the output end of amplification regulating circuit, triode VT2's
Emitter is grounded by resistance R7, collector connection capacitor C5, one end of inductance L1 and the base of triode VT3 of triode VT2
Pole, the collector and+12V power supply of capacitor C5, the other end connection resistance R8 of inductance L1, triode VT4, the other end of resistance R8
The contact 1,3 of the collector of connecting triode VT3, the base stage of VT4 and adjustable resistance RP1, the emitter of triode VT3 with it is adjustable
2 earth of contact of resistance RP1, the emitter of triode VT4 are grounded by resistance R9, and are sent out by capacitor C6 connection signal
Emitter E1.
Preferably, the voltage regulator circuit includes resistance R1, R2, the command signal of one end connection server of resistance R1, R2
Output end, the collector of the other end connecting triode VT1 of resistance R1, the base stage of the other end connecting triode VT1 of resistance R2
Emitter connection amplification with the cathode of zener diode DZ1, the plus earth of zener diode DZ1, triode VT1 adjusts electricity
The input terminal on road.
Preferably, the amplification regulating circuit includes resistance R3, the output end of one end connection voltage regulator circuit of resistance R3, electricity
Hinder the other end connection resistance R4 of R3, one end of capacitor C1, one end of the other end connection capacitor C2 of resistance R4 and transport and placing device AR1
Non-inverting input terminal, capacitor C2 the other end ground connection, transport and placing device AR1 inverting input terminal connection capacitor C1 the other end, capacitor
One end of C3 and the output end of transport and placing device AR1, the non-inverting input terminal of the other end connection transport and placing device AR2 of capacitor C3, and pass through electricity
R5 ground connection is hindered, the inverting input terminal of transport and placing device AR2 is grounded by resistance R6, and passes through the output of capacitor C4 connection transport and placing device AR2
The input terminal at end and power amplifier filter circuit.
By above technical scheme, the utility model has the following beneficial effects:
It is handled 1. the command signal of server output is sent into voltage regulator circuit, zener diode DZ1 is to triode VT1
Base voltage stablized, using triode amplification principle can when triode VT1 emitter output voltage keep good
Stability, to greatly improve the stability of command signal transmitting；
2. amplification regulating circuit is adjusted using the command signal that bandpass filtering exports voltage regulator circuit, in transport and placing device
It is played in the amplification process of AR1 and adjusts frequency effect well, prevent command signal from lacking of proper care in amplification process, transport and placing device AR2
The output signal of transport and placing device AR1 is further amplified, feedback end of the capacitor C4 in transport and placing device AR2 plays the role of signal compensation,
Prevent command signal Transmission；
3. triode VT4 base input signal current potential size can be changed in the resistance value for adjusting adjustable resistance RP1, refer to change
It enables signal amplify intensity, and then changes the transmission maximum distance of signal projector E1, in some communication fields for needing distance limitation
The effect of adjustable range is closed, operation is simple；
4. triode VT2, VT3, VT4 forms multiple tube and carries out to the output signal of transport and placing device AR2 in power amplifier filter circuit
The collector terminal of quick power amplification, capacitor C5 and inductance L1 in triode VT2 forms LC filter, to transport and placing device AR2's
Output signal accurate filtering keeps the frequency of command signal more accurate.
Detailed description of the invention
Fig. 1 is the system module figure of the utility model.
Fig. 2 is the circuit diagram of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
A kind of electrical communication system, including server, the input of the command signal output end connection voltage regulator circuit of server
End, the input terminal of the output end connection amplification regulating circuit of voltage regulator circuit, the output end connection power amplifier filtering of amplification regulating circuit
The input terminal of circuit, the output end connection signal transmitter E1 of power amplifier filter circuit.
Voltage regulator circuit includes resistance R1, R2, the command signal output end of one end connection server of resistance R1, R2, resistance
The collector of the other end connecting triode VT1 of R1, the base stage and zener diode of the other end connecting triode VT1 of resistance R2
The cathode of DZ1, the plus earth of zener diode DZ1, the input terminal of the emitter connection amplification regulating circuit of triode VT1.
The command signal of server output, which is sent into voltage regulator circuit, carries out pressure stabilizing, command signal sending after resistance R1, R2 partial pressure respectively
Enter and amplified in triode VT1, zener diode DZ1 carries out stablizing processing to the base voltage of triode VT1, utilizes three poles
Pipe amplification principle can when triode VT1 emitter output voltage keep good stability, to greatly improve instruction
The stability of signal transmitting.
Since the command signal intensity of server output is weaker, need to amplify processing, in order to guarantee that command signal exists
Accuracy in amplification process, Design enlargement adjust the output signal of processing of circuit voltage regulator circuit.Amplification regulating circuit includes electricity
R3, the output end of one end connection voltage regulator circuit of resistance R3 are hindered, the other end of resistance R3 connects one end of resistance R4, capacitor C1,
One end of the other end connection capacitor C2 of resistance R4 and the non-inverting input terminal of transport and placing device AR1, the other end ground connection of capacitor C2, amplifier
The other end, one end of capacitor C3 and the output end of transport and placing device AR1 of the inverting input terminal connection capacitor C1 of device AR1, capacitor C3's
The other end connects the non-inverting input terminal of transport and placing device AR2, and is grounded by resistance R5, and the inverting input terminal of transport and placing device AR2 passes through electricity
R6 ground connection is hindered, and passes through the input terminal of the output end of capacitor C4 connection transport and placing device AR2 and power amplifier filter circuit.Wherein resistance R3,
R4 and capacitor C1, C2 form bandpass filter, and the frequency of command signal is among the frequency band of bandpass filter, in transport and placing device
It is played in the amplification process of AR1 and adjusts frequency effect well, prevent command signal from lacking of proper care in amplification process, transport and placing device AR1
Amplified signal is sent into transport and placing device AR2 after capacitor C3 filtering and is further amplified, feedback end of the capacitor C4 in transport and placing device AR2
Play the role of signal compensation, prevents command signal Transmission.
Power amplifier filter circuit includes triode VT2, the output end of the base stage connection amplification regulating circuit of triode VT2, and three
The emitter of pole pipe VT2 is grounded by resistance R7, and the collector of triode VT2 connects one end and three poles of capacitor C5, inductance L1
The base stage of pipe VT3, the collector and+12V power supply of capacitor C5, the other end connection resistance R8 of inductance L1, triode VT4, resistance
The contact 1,3 of the collector of other end connecting triode VT3 of R8, the base stage of VT4 and adjustable resistance RP1, the hair of triode VT3
2 earth of contact of emitter-base bandgap grading and adjustable resistance RP1, the emitter of triode VT4 are grounded by resistance R9, and pass through capacitor C6
Connection signal transmitter E1.Wherein triode VT2, VT3, VT4 forms multiple tube and carries out quickly to the output signal of transport and placing device AR2
Power amplification, the collector terminal of capacitor C5 and inductance L1 in triode VT2 forms LC filter, the output to transport and placing device AR2
Signal accurate filtering keeps the frequency of command signal more accurate.Using electric resistance partial pressure principle, the resistance value of adjustable resistance RP1 is adjusted
Changeable triode VT4 base input signal current potential size to change command signal amplification intensity, and then changes signal transmitting
The transmission maximum distance of device E1 plays the role of adjustable range in some communication occasions for needing distance limitation, easy to operate easy
Row.
For the utility model when specifically used, communication operation personnel issue corresponding instruction, server output in server-side
End command signal, which is first fed into voltage regulator circuit, carries out steady pressure treatment, improves the stability of command signal transmitting；Then amplify
It adjusts circuit to be adjusted using the command signal that bandpass filtering exports voltage regulator circuit, in the amplification process of transport and placing device AR1
It plays and adjusts frequency effect well, prevent command signal from lacking of proper care in amplification process, transport and placing device AR2 is defeated to transport and placing device AR1's
Signal is further amplified out, and feedback end of the capacitor C4 in transport and placing device AR2 plays the role of signal compensation, prevents command signal from transmitting
It interrupts；Triode VT2, VT3, VT4 forms multiple tube and carries out quickly to the output signal of transport and placing device AR2 in power amplifier filter circuit
The collector terminal of power amplification, capacitor C5 and inductance L1 in triode VT2 forms LC filter, believes the output of transport and placing device AR2
Number accurate filtering, keeps the frequency of command signal more accurate, and the output signal of last triode VT4 is sent into after capacitor C6 coupling
In signal projector E1, remote signal transmission communication is completed by signal projector E1.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of electrical communication system, including server, it is characterised in that: the command signal output end connection of the server is steady
The input terminal of volt circuit, the input terminal of the output end connection amplification regulating circuit of voltage regulator circuit, the output end of amplification regulating circuit
Connect the input terminal of power amplifier filter circuit, the output end connection signal transmitter E1 of power amplifier filter circuit；
The power amplifier filter circuit includes triode VT2, the output end of the base stage connection amplification regulating circuit of triode VT2, and three
The emitter of pole pipe VT2 is grounded by resistance R7, and the collector of triode VT2 connects one end and three poles of capacitor C5, inductance L1
The base stage of pipe VT3, the collector and+12V power supply of capacitor C5, the other end connection resistance R8 of inductance L1, triode VT4, resistance
The contact 1,3 of the collector of other end connecting triode VT3 of R8, the base stage of VT4 and adjustable resistance RP1, the hair of triode VT3
2 earth of contact of emitter-base bandgap grading and adjustable resistance RP1, the emitter of triode VT4 are grounded by resistance R9, and pass through capacitor C6
Connection signal transmitter E1.
2. electrical communication system according to claim 1, it is characterised in that: the voltage regulator circuit includes resistance R1, R2, electricity
The command signal output end of one end connection server of resistance R1, R2, the collector of the other end connecting triode VT1 of resistance R1,
The base stage of the other end connecting triode VT1 of resistance R2 and the cathode of zener diode DZ1, the anode of zener diode DZ1 connect
Ground, the input terminal of the emitter connection amplification regulating circuit of triode VT1.
3. electrical communication system according to claim 2, it is characterised in that: the amplification regulating circuit includes resistance R3,
The output end of one end connection voltage regulator circuit of resistance R3, the other end of resistance R3 connect one end of resistance R4, capacitor C1, resistance R4
The other end connection capacitor C2 one end and transport and placing device AR1 non-inverting input terminal, capacitor C2 the other end ground connection, transport and placing device AR1
Inverting input terminal connection capacitor C1 the other end, one end of capacitor C3 and the output end of transport and placing device AR1, the other end of capacitor C3
The non-inverting input terminal of transport and placing device AR2 is connected, and is grounded by resistance R5, the inverting input terminal of transport and placing device AR2 is connect by resistance R6
Ground, and pass through the input terminal of the output end of capacitor C4 connection transport and placing device AR2 and power amplifier filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502104.2U CN208608975U (en) | 2018-09-14 | 2018-09-14 | A kind of electrical communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821502104.2U CN208608975U (en) | 2018-09-14 | 2018-09-14 | A kind of electrical communication system |
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| Publication Number | Publication Date |
|---|---|
| CN208608975U true CN208608975U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821502104.2U Active CN208608975U (en) | 2018-09-14 | 2018-09-14 | A kind of electrical communication system |
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| Country | Link |
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| CN (1) | CN208608975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152655A (en) * | 2020-10-20 | 2020-12-29 | 无锡晓群机电科技有限公司 | Big data network communication security control platform |
-
2018
- 2018-09-14 CN CN201821502104.2U patent/CN208608975U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152655A (en) * | 2020-10-20 | 2020-12-29 | 无锡晓群机电科技有限公司 | Big data network communication security control platform |
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