阅读说明：本技术 一种旅游路线信息传输系统 (A kind of tourism route information transmission system ) 是由 尹芳 苏韬 李晓靖 马珂 王亚男 苏锡亮 刘孝娟 刘爽 黄偲夏 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种旅游路线信息传输系统,包括频率采集电路1、频率采集电路2、反馈差分电路和滤波输出电路,所述频率采集电路1、频率采集电路2分别采集信号传输模块输出端信号和控制器单片机端口信号,反馈差分电路运用运放器AR1、运放器AR2和电容C7、电容C8组成检测电路滤除频率采集电路1输出信号中的扰动信号,同时运用三极管Q1、三极管Q3组成推挽电路防止信号交越失真,三极管Q5集电极输出信号经二极管D1、二极管D2限幅后输入运放器AR3反相输入端内,最后滤波输出电路运用电感L3和电容C13、电容C15组成滤波电路滤除信号杂波后输出,对信号调节后转换为控制器接收用户信息管理模块数据信号的修正信号。(The invention discloses a kind of tourism route information transmission systems, including frequency collection circuit 1, frequency collection circuit 2, feedback differential circuit and filtering output circuit, the frequency collection circuit 1, frequency collection circuit 2 acquires signal transmission module output end signal and controller single-chip microcomputer port signal respectively, feedback differential circuit uses transport and placing device AR1, transport and placing device AR2 and capacitor C7, capacitor C8 forms the disturbing signal in 1 output signal of detection circuit rejection frequency Acquisition Circuit, triode Q1 is used simultaneously, triode Q3 forms the anti-stop signal intermodulation distortion of push-pull circuit, triode Q5 collector output signal is through diode D1, it is inputted in transport and placing device AR3 inverting input terminal after diode D2 clipping, finally filtering output circuit uses inductance L3 and capacitor C13, capacitor C15 forms filter circuit It is exported after filtering out signal noise, to the revise signal for being converted to controller reception subscriber information management module data signal after Signal Regulation.)

1. a kind of tourism route information transmission system, including controller, subscriber information management module, signal transmission module and positioning Module, signal correction module, the locating module acquire customer position information, are sent to user information pipe through signal transmission module Manage module, subscriber information management module includes that user logs in, registers and administrator is to the management of user account, user information, dimension Shield provides data for controller and supports, controller receives the data-signal of subscriber information management module by signal transmission module, For user's intelligent planning tourism route, which is characterized in that signal correction module includes frequency collection circuit 1, frequency collection circuit 2, feedback differential circuit and filtering output circuit；

The frequency collection circuit 1, frequency collection circuit 2 acquire signal transmission module output end signal and controller monolithic respectively Machine port signal, feedback differential circuit is with transport and placing device AR1, transport and placing device AR2 and capacitor C7, capacitor C8 composition detection circuit filter It is prevented except the disturbing signal in 1 output signal of frequency collection circuit, while with triode Q1, triode Q3 composition push-pull circuit Signal intermodulation distortion, and notch circuit adjustment signal waveform is formed with resistance R10- resistance R12 and triode Q4, and transport Transport and placing device AR1 and notch circuit output signal potential difference are detected with triode Q5, triode Q5 collector output signal is through two poles After pipe D1, diode D2 clipping input transport and placing device AR3 inverting input terminal in, wherein triode Q2 detection transistor Q4 emitter and Push-pull circuit output signal potential difference outputs signal in transport and placing device AR3 non-inverting input terminal, and transport and placing device AR3 is difference channel work With, it finally filters after output circuit filters out signal noise with inductance L3 and capacitor C13, capacitor C15 composition filter circuit and exports, It that is to say the revise signal that subscriber information management module data signal is received for controller.

2. a kind of tourism route information transmission system as described in claim 1, which is characterized in that the feedback differential circuit includes One end of the homophase input termination capacitor C7 of transport and placing device AR1, transport and placing device AR1, the anti-phase input terminating resistor R6 of transport and placing device AR1, One end of capacitor C8, one end of another terminating resistor R5 of capacitor C7, transport and placing device AR1 output termination triode Q5 base stage and The anti-phase input of one end of resistance R7, the non-inverting input terminal of another termination transport and placing device AR2 of resistance R7, transport and placing device AR2 terminates electricity Hinder one end of R8, the other end ground connection of resistance R5, resistance R6, the other end of resistance R8 and capacitor C8, the output end of transport and placing device AR2 The base stage of triode Q1, triode Q3 are connect, the collector of triode Q3 meets power supply+5V, and the emitter of triode Q3 connects triode The emitter of Q1 and the base stage of triode Q2, one end of the emitter connecting resistance R9 of triode Q2 and transport and placing device AR3's is same mutually defeated Enter end, the collector of triode Q1 and the other end ground connection of resistance R9, anti-phase input terminating resistor R14, the resistance of transport and placing device AR3 R15, the anode of one end of capacitor C12 and diode D10, diode D2 cathode, the output terminating resistor R14 of transport and placing device AR3, The other end of capacitor C12, the other end ground connection of resistance R15, the cathode of diode D1 connect the anode and triode Q5 of diode D2 Emitter, one end of the collector connecting resistance R10 of triode Q5, capacitor C9, the base of another termination triode Q4 of resistance R10 One end of pole and resistance R11, capacitor C10, one end of another terminating resistor R12 of capacitor C9, capacitor C11, resistance R12, capacitor The other end of C10 is grounded, and the other end of the collector connecting resistance R11 of triode Q4, capacitor C11, the emitter of triode Q4 connect One end of resistance R13 and the collector of triode Q2, the other end ground connection of resistance R13.

3. a kind of tourism route information transmission system as claimed in claim 2, which is characterized in that the filtering output circuit includes The anode of a termination capacitor C13 of inductance L3, inductance L3 and the output end of transport and placing device AR3, another terminating resistor of inductance L3 One end of R17, capacitor C15, the other end ground connection of capacitor C15, the cathode of capacitor C13 meet one end and the capacitor C14 of inductance L4 Anode, one end of the cathode connecting resistance R16 of capacitor C14, the other end of inductance L4 and the other end ground connection of resistance R16, resistance R17 Another termination signal output port.

4. a kind of tourism route information transmission system as described in claim 1, which is characterized in that the frequency collection circuit 1 is wrapped Include the frequency collection device J1 of model SJ-ADC, one end of the power supply terminating resistor R1 of frequency collection device J1, frequency collection device J1 Ground terminal ground connection, frequency collection device J1 exports one end of terminating resistor R2, another termination inductance L1 of resistance R2, capacitor C1, One end of capacitor C2, the other end ground connection of another termination power+5V of resistance R1, capacitor C1, capacitor C2, the other end of inductance L1 Connect one end of capacitor C3 and the other end of capacitor C7, the other end ground connection of capacitor C3；

The frequency collection circuit 2 includes the frequency collection device J2 of model SJ-ADC, and the power supply of frequency collection device J2 terminates electricity One end of R3, the ground terminal ground connection of frequency collection device J2 are hindered, frequency collection device J2 exports one end of terminating resistor R4, resistance R4's One end of another termination inductance L2, capacitor C4, capacitor C5, another termination power+5V of resistance R3, capacitor C4, capacitor C5's is another One end ground connection, one end of another termination capacitor C6 of inductance L2 and the collector of triode Q4, the other end ground connection of capacitor C6.

Technical field

The present invention relates to field of circuit technology, more particularly to a kind of tourism route information transmission system.

Background technique

Currently, locating module acquires customer position information in the tourism route information transmission system, sent out through signal transmission module It send to subscriber information management module, subscriber information management module includes that user logs in, registers and administrator is to user account, user Management, the maintenance of information, provide data for controller and support, and subscriber information management module data signal is in signal transmission module It is interior in the form of carrier signal transmit, since user is more, especially the tourist season when, subscriber information management module receive User log in, register, location information it is various, it is easy to beyond the maximum fault information that signal transmission module is born, and then cause Meeting disorder in signals transmission, causes controller to handle subscriber information management module data distorted signals, even results in control Device issues the signal of mistake.

Summary of the invention

For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide a kind of tourism route letters Cease Transmission system, have be skillfully constructed, the characteristic of human oriented design, can be to signal transmission module output end signal and control Device one-chip machine port signal frequency real-time monitoring receives subscriber information management module data to controller is converted to after Signal Regulation The revise signal of signal.

Its technical solution solved is a kind of tourism route information transmission system, including controller, subscriber information management mould Block, signal transmission module and locating module, signal correction module, the locating module acquire customer position information, pass through signal Defeated module is sent to subscriber information management module, and subscriber information management module includes that user logs in, registers and administrator is to user Account, the management of user information, maintenance, provide data for controller and support, controller receives user by signal transmission module The data-signal of information management module, be user's intelligent planning tourism route, signal correction module include frequency collection circuit 1, Frequency collection circuit 2, feedback differential circuit and filtering output circuit；

The frequency collection circuit 1, frequency collection circuit 2 acquire signal transmission module output end signal and controller monolithic respectively Machine port signal, feedback differential circuit is with transport and placing device AR1, transport and placing device AR2 and capacitor C7, capacitor C8 composition detection circuit filter It is prevented except the disturbing signal in 1 output signal of frequency collection circuit, while with triode Q1, triode Q3 composition push-pull circuit Signal intermodulation distortion, and notch circuit adjustment signal waveform is formed with resistance R10- resistance R12 and triode Q4, and transport Transport and placing device AR1 and notch circuit output signal potential difference are detected with triode Q5, triode Q5 collector output signal is through two poles After pipe D1, diode D2 clipping input transport and placing device AR3 inverting input terminal in, wherein triode Q2 detection transistor Q4 emitter and Push-pull circuit output signal potential difference outputs signal in transport and placing device AR3 non-inverting input terminal, and transport and placing device AR3 is difference channel work With, it finally filters after output circuit filters out signal noise with inductance L3 and capacitor C13, capacitor C15 composition filter circuit and exports, It that is to say the revise signal that subscriber information management module data signal is received for controller.

Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；

1. defeated with transport and placing device AR1, transport and placing device AR2 and capacitor C7, capacitor C8 composition detection circuit rejection frequency Acquisition Circuit 1 Disturbing signal in signal out filters out disturbing signal using the differential nature of transport and placing device AR1, transport and placing device AR2, and capacitor C4 is side Road capacitor filters out high-frequency signal noise, and capacitor C8 is decoupling capacitor, filters out low frequency signal noise, improves the stability of signal, together Shi Yunyong triode Q1, triode Q3 form the anti-stop signal intermodulation distortion of push-pull circuit, and with resistance R10- resistance R12 and Triode Q4 forms notch circuit adjustment signal waveform, and resistance R10- resistance R12 and capacitor C9- capacitor C11 form frequency selection circuit Abnormal frequency signal is filtered out, and filters out abnormal high level signal with triode Q4, realizes and adjusts waveform effect.

2. can detecte signal transmission with triode Q5 detection transport and placing device AR1 and notch circuit output signal potential difference The potential difference of module output end signal and controller single-chip microcomputer port signal, if potential difference is excessive, then it represents that signal frequency is abnormal, Triode Q5 collector output signal inputs in transport and placing device AR3 inverting input terminal after diode D1, diode D2 clipping, adjusts Transport and placing device AR3 output signal, adjusting controller receives the revise signal current potential of subscriber information management module data signal, wherein three Pole pipe Q2 detection transistor Q4 emitter and push-pull circuit output signal potential difference further detect signal transmission module output end The potential difference of signal and controller single-chip microcomputer port signal outputs signal in transport and placing device AR3 non-inverting input terminal, improves compensation letter Number accurate, transport and placing device AR3 is that difference channel acts on, and forms filter circuit with inductance L3 and capacitor C13, capacitor C15 and filters out letter It is exported after number clutter, that is to say the revise signal for receiving subscriber information management module data signal for controller, realize compensation control Device one-chip machine port signal distortion error function processed.

Detailed description of the invention

Fig. 1 is a kind of feedback differential circuit diagram of the tourism route information transmission system of the present invention.

Fig. 2 is a kind of 1 figure of frequency collection circuit of the tourism route information transmission system of the present invention.

Fig. 3 is a kind of 2 figure of frequency collection circuit of the tourism route information transmission system of the present invention.

Fig. 4 is a kind of filtering output circuit figure of the tourism route information transmission system of the present invention.

Specific embodiment

For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Fig. 4 pairs In the detailed description of embodiment, can clearly it present.The structure content being previously mentioned in following embodiment is attached with specification Figure is reference.