CN204465545U - A kind of based on monolithic processor controlled communication system - Google Patents
A kind of based on monolithic processor controlled communication system Download PDFInfo
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- CN204465545U CN204465545U CN201520199298.3U CN201520199298U CN204465545U CN 204465545 U CN204465545 U CN 204465545U CN 201520199298 U CN201520199298 U CN 201520199298U CN 204465545 U CN204465545 U CN 204465545U
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Abstract
The utility model provides a kind of based on monolithic processor controlled communication system, mainly comprise single-chip microcomputer, power module, level transferring chip, memory, DTU module and noise reduction filtering module, single-chip microcomputer connects power module respectively, level transferring chip, memory, DTU module, level transferring chip is connection signal sending module respectively, signal receiving module, step-down rectifier Voltage stabilizing module connects power module, noise transducer connects noise reduction filtering module by AD converter, noise reduction filtering model calling single-chip microcomputer, the utility model structure is simple, low-power consumption can be realized, the signal and communication of low cost, and antinoise signal interference performance is strong, the level transferring chip adopted, can antistatic Anti-surging, the low-power consumption conversion of low level high level can be completed.
Description
Technical field
The utility model relates to a kind of communication system, particularly relates to a kind of based on monolithic processor controlled communication system.
Background technology
Wireless telecommunications are that a kind of characteristic utilizing electromagnetic wave signal can carry out in free space propagating is to realize the communication modes of information exchange.In recent years, in field of information communication, with fastest developing speed, most widely used is exactly wireless communication technique.
Existing communication apparatus the vehicles or other sound more noisy environmentally use time all can by noise jamming to a certain extent, and then it is unintelligible to connect communication signal that is that receive and that pass, be not suitable for relatively high to ambient noise conditional request, use under the environment of condition rather harsh, poor anti jamming capability, the level shifting circuit that existing communication system adopts also exists partially mutually and asymmetric problem, these problems all have impact to reliability, and adopting civil power 220V to power separately, coefficient of safety is not high.
Summary of the invention
In order to solve the problem, it is simple that the utility model provides a kind of new structure, can realize the signal and communication of low-power consumption, low cost, and antinoise signal interference performance is strong, can the technical scheme of antistatic Anti-surging:
A kind of based on monolithic processor controlled communication system, mainly comprise single-chip microcomputer, power module, level transferring chip, memory, DTU module and noise reduction filtering module, single-chip microcomputer connects power module, level transferring chip, memory, DTU module respectively, level transferring chip is connection signal sending module, signal receiving module respectively, step-down rectifier Voltage stabilizing module connects power module, noise transducer connects noise reduction filtering module by AD converter, noise reduction filtering model calling single-chip microcomputer.
As preferably, signal transmitting module, signal receiving module connect external communication circuit respectively.
As preferably, level transferring chip inside is provided with level shifting circuit, the one termination signal end of the resistance A of described level shifting circuit, the other end is connected with the base stage of triode A, the emitter of triode A connects+3.3V voltage, the collector electrode of triode A and one end of resistance B, one end of resistance C connects, the other end ground connection of resistance B, the other end of resistance C is connected with the base stage of triode B, the grounded emitter of triode B, the collector electrode of triode B and one end of resistance D, one end of resistance I is connected with one end of thermistor J, another termination+24V voltage of resistance D exports, two pin that the other end of thermistor J arranges pin with the negative pole of voltage stabilizing didoe A and tripod are connected, one pin of tripod row pin is connected with one end of thermistor K, another termination+5V voltage of thermistor K, the tripod of tripod row pin is connected with the positive pole of voltage stabilizing didoe A and ground connection.
As preferably, step-down rectifier Voltage stabilizing module comprises voltage stabilizing chip, diode D, diode E, diode F, diode G forms rectifier bridge, the output of rectifier bridge connects electric capacity A one end respectively, voltage stabilizing chip one pin, voltage stabilizing chip tripod connects five pin and ground connection, voltage stabilizing chip four pin contact resistance L ground connection, voltage stabilizing chip four pin connects variable resistor, diode J, voltage stabilizing chip two pin connection transformer one end, transformer another contact resistance M one end is also connected on diode J positive pole and electric capacity C one end respectively, electric capacity B shunt capacitance C ground connection, diode H parallel diode I is connected on voltage stabilizing chip two pin and ground connection.
The beneficial effects of the utility model are:
(1) level transferring chip that adopts of the utility model, can antistatic Anti-surging, and complete the conversion of low level to high level with lower cost, narrow level is to the conversion of wide level, and circuit power consumption is low, and reliability is high.
(2) the utility model adopts noise reduction filtering module, can carry out noise reduction, filtering process to transmitted communication signal, and reduction communication signal is subject to the noise effect in surrounding environment, improves communication signal identification.
(3) the step-down rectifier Voltage stabilizing module of the utility model employing, can improve the coefficient of safety of communication system power supply.
Accompanying drawing explanation
Fig. 1 is syndeton block diagram of the present utility model.
Fig. 2 is level transferring chip internal circuit diagram of the present utility model.
Fig. 3 is step-down rectifier Voltage stabilizing module circuit diagram of the present utility model.
Embodiment
For making goal of the invention of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
As shown in Figure 1, a kind of based on monolithic processor controlled communication system, mainly comprise single-chip microcomputer 1, power module 2, level transferring chip 3, memory 4, DTU module 5 and noise reduction filtering module 6, single-chip microcomputer 1 connects power module 2 respectively, level transferring chip 3, memory 4, DTU module 5, level transferring chip 3 is connection signal sending module 7 respectively, signal receiving module 8, signal transmitting module 7, described signal receiving module 8 connects external communication circuit 12 respectively, step-down rectifier Voltage stabilizing module 9 connects power module 2, noise transducer 10 connects noise reduction filtering module 6 by AD converter 11, noise reduction filtering module 6 connects single-chip microcomputer 1, the utility model in the specific implementation, noise transducer 10 induced noise signal converts digital signal to by AD converter 11, the noise sound wave of noise reduction filtering module 6 pairs of communication signals is utilized to filter, signal after filtration is sent to single-chip microcomputer 1 process, make the communication signal of transmission more clear, true to nature, can meet and use under noise conditions rugged environment.
As shown in Figure 2, level transferring chip 3 inside is provided with level shifting circuit, the one termination signal end USART2_TX of the resistance A R1 of described level shifting circuit, the other end is connected with the base stage of triode A Q1, the emitter of triode A Q1 connects+3.3V voltage, the collector electrode of triode A Q1 and one end of resistance B R2, one end of resistance C R3 connects, the other end ground connection of resistance B R2, the other end of resistance C R3 is connected with the base stage of triode B Q2, the grounded emitter of triode B Q2, the collector electrode of triode B Q2 and one end of resistance D R4, one end of resistance I R9 is connected with one end of thermistor J R10, another termination+24V voltage of resistance D R4 exports, the two pin P2 that the other end of thermistor J R10 arranges pin P with the negative pole of voltage stabilizing didoe A D1 and tripod are connected, the one pin P1 of tripod row pin P is connected with one end of thermistor K R11, another termination+5V voltage of thermistor K R11, the tripod P3 of tripod row pin P is connected with the positive pole of voltage stabilizing didoe A D1 and ground connection, the other end of resistance I R9 is connected with the positive pole of voltage stabilizing didoe B D2, the negative pole of voltage stabilizing didoe B D2 is connected with the base stage of the positive pole of diode C D3 and triode D Q4, the negative pole of diode C D3 is connected with one end of the emitter of triode D Q4 and resistance G R7, another termination+24V voltage of resistance G R7 exports, the collector electrode of triode D Q4 is connected with one end of resistance F R6 one end and resistance H R8, the other end ground connection of resistance H R8, the resistance F R6 other end is connected with the base stage of triode C Q3, the grounded emitter of triode C Q3, the collector electrode of triode C Q3 connects one end of signal end USART2_RX and resistance E R5, another termination+3.3V voltage of resistance E R5.During input low level signal, triode A Q1 conducting, the collector electrode of triode A Q1 exports high level, triode B Q2 conducting, the collector electrode output low level of triode B Q2, triode D Q4 conducting, the collector electrode of triode D Q4 exports high level, triode C Q3 conducting, the collector electrode output low level of triode C Q3.The level transferring chip that the utility model adopts, can antistatic Anti-surging, and complete the conversion of low level to high level with lower cost, narrow level is to the conversion of wide level, and circuit power consumption is low, and reliability is high.
As shown in Figure 3, step-down rectifier Voltage stabilizing module comprises voltage stabilizing chip U, diode D D4, diode E D5, diode F D6, diode G D7 forms rectifier bridge, the output of rectifier bridge connects electric capacity A C1 one end respectively, voltage stabilizing chip U mono-pin U1, voltage stabilizing chip U tripod U3 connects five pin U5 and ground connection, voltage stabilizing chip U tetra-pin U4 contact resistance L R12 ground connection, voltage stabilizing chip U tetra-pin U4 connects variable resistor RL, diode J D10, voltage stabilizing chip U bis-pin U2 connection transformer L one end, transformer L another contact resistance M R13 one end is also connected on diode J D10 positive pole and electric capacity C C3 one end respectively, electric capacity B C2 shunt capacitance C C3 ground connection, diode H D8 parallel diode I D9 is connected on voltage stabilizing chip U bis-pin U2 and ground connection.The step-down rectifier Voltage stabilizing module that the utility model adopts, can improve the coefficient of safety of communication system power supply.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (4)
1. one kind based on monolithic processor controlled communication system, mainly comprise single-chip microcomputer (1), power module (2), level transferring chip (3), memory (4), DTU module (5) and noise reduction filtering module (6), it is characterized in that: described single-chip microcomputer (1) connects described power module (2) respectively, described level transferring chip (3), described memory (4), described DTU module (5), described level transferring chip (3) is connection signal sending module (7) respectively, signal receiving module (8), step-down rectifier Voltage stabilizing module (9) connects described power module (2), noise transducer (10) connects described noise reduction filtering module (6) by AD converter (11), described noise reduction filtering module (6) connects described single-chip microcomputer (1).
2. one according to claim 1 is based on monolithic processor controlled communication system, it is characterized in that: described signal transmitting module (7), described signal receiving module (8) connect external communication circuit (12) respectively.
3. one according to claim 1 is based on monolithic processor controlled communication system, it is characterized in that: described level transferring chip (3) inside is provided with level shifting circuit, the one termination signal end (USART2_TX) of the resistance A (R1) of described level shifting circuit, the other end is connected with the base stage of triode A (Q1), the emitter of triode A (Q1) connects+3.3V voltage, the collector electrode of triode A (Q1) and one end of resistance B (R2), one end of resistance C (R3) connects, the other end ground connection of resistance B (R2), the other end of resistance C (R3) is connected with the base stage of triode B (Q2), the grounded emitter of triode B (Q2), the collector electrode of triode B (Q2) and one end of resistance D (R4), one end of resistance I (R9) is connected with one end of thermistor J (R10), another termination+24V voltage of resistance D (R4) exports, two pin (P2) that the other end of thermistor J (R10) arranges pin (P) with the negative pole of voltage stabilizing didoe A (D1) and tripod are connected, one pin (P1) of tripod row's pin (P) is connected with one end of thermistor K (R11), another termination+5V voltage of thermistor K (R11), the tripod (P3) of tripod row's pin (P) is connected with the positive pole of voltage stabilizing didoe A (D1) and ground connection.
4. one according to claim 1 is based on monolithic processor controlled communication system, it is characterized in that: described step-down rectifier Voltage stabilizing module comprises voltage stabilizing chip (U), diode D (D4), diode E (D5), diode F (D6), diode G (D7) forms rectifier bridge, the output of rectifier bridge connects electric capacity A (C1) one end respectively, voltage stabilizing chip (U) one pin (U1), voltage stabilizing chip (U) tripod (U3) connects five pin (U5) and ground connection, voltage stabilizing chip (U) four pin (U4) contact resistance L (R12) ground connection, voltage stabilizing chip (U) four pin (U4) connects variable resistor (RL), diode J (D10), voltage stabilizing chip (U) two pin (U2) connection transformer (L) one end, another contact resistance M (R13) one end of transformer (L) is also connected on diode J (D10) positive pole and electric capacity C (C3) one end respectively, electric capacity B (C2) shunt capacitance C (C3) ground connection, diode H (D8) parallel diode I (D9) is connected on voltage stabilizing chip (U) two pin (U2) and ground connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520199298.3U CN204465545U (en) | 2015-04-04 | 2015-04-04 | A kind of based on monolithic processor controlled communication system |
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| CN201520199298.3U CN204465545U (en) | 2015-04-04 | 2015-04-04 | A kind of based on monolithic processor controlled communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350937A (en) * | 2019-04-30 | 2019-10-18 | 安徽汉云智能制造有限责任公司 | A kind of GPRS network communication device |
| CN112073526A (en) * | 2020-09-14 | 2020-12-11 | 苏州颂康智能科技有限公司 | Distributed IOT remote monitoring system based on 5G |
-
2015
- 2015-04-04 CN CN201520199298.3U patent/CN204465545U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350937A (en) * | 2019-04-30 | 2019-10-18 | 安徽汉云智能制造有限责任公司 | A kind of GPRS network communication device |
| CN112073526A (en) * | 2020-09-14 | 2020-12-11 | 苏州颂康智能科技有限公司 | Distributed IOT remote monitoring system based on 5G |
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Granted publication date: 20150708 Termination date: 20170404 |
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| CF01 | Termination of patent right due to non-payment of annual fee |