CN206021527U - Master-slave radio transport module for gas electricity instrument - Google Patents

Abstract

This utility model is related to a kind of master-slave radio transport module for gas electricity instrument, it is characterized in that：Including the primary module that is connected with host computer and the slave module in gas electricity instrument, slave module is multiple, and slave module is wirelessly connected with primary module.The slave module includes AD conversion chip, slave module single-chip microcomputer, slave module wirelessly transferred chip and slave module antenna, the outfan of AD conversion chip is connected with the input of slave module single-chip microcomputer, slave module single-chip microcomputer connects slave module wirelessly transferred chip, and slave module wirelessly transferred chip connects slave module antenna.The primary module includes that USB turns serial port chip, primary module wirelessly transferred chip, primary module single-chip microcomputer and primary module antenna；The primary module antenna is connected with primary module wirelessly transferred chip, and primary module wireless sensing chip is connected with primary module single-chip microcomputer, and primary module single-chip microcomputer connection USB turns serial port chip.This utility model disclosure satisfy that the needs that data are wirelessly transferred between multiple stage gas electric type digital display amount instrument and host computer.

Description

Master-slave radio transport module for gas electricity instrument

Technical field

This utility model is related to a kind of master-slave radio transport module for gas electricity instrument, and especially one kind is wirelessly transferred Module, for the measurement data of gas electricity instrument is uploaded to host computer, belongs to and is wirelessly transferred and Internet of Things cognition technology neck Domain.

Background technology

With developing rapidly for modern industry automatic technology, the demand to RFDC is more and more stronger, for Industry spot, being wirelessly transferred needs with high reliability, real-time.Intelligent plant proposes real time implementation, intelligence to production management The requirement of change, original gas electric type digital display amount instrument detection finished piece(s) size after, by communicate serial ports wired connection side The data that measurement is obtained are transferred to host computer by formula.When having multiple stage gas electric type digital display amount instrument while when work, then need to per Connect up between platform measuring instrument and host computer, its wiring cost is just very high, have higher wanting to time, installation and debugging cost Ask, therefore the wired mode in terms of measurement quality inspection is difficult to all the more meet growing intelligent plant Internet of Things needs.And it is existing Wireless module such as ZigBee, WiFi be present in terms of directly applying to production line quality inspection measurement.If Internet of Things is perceived Technology is in conjunction, then information that can be between the amount of reinforcement instrument and host computer is exchanged, and simplifies some correct operations so as to more real-time Change, intellectuality.

Therefore, it is necessory to be improved to solve existing deficiency.

Content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of principal and subordinate for gas electricity instrument Formula wireless transport module, disclosure satisfy that the needs that data are wirelessly transferred between multiple stage gas electric type digital display amount instrument and host computer.

According to this utility model provide technical scheme, a kind of master-slave radio transport module for gas electricity instrument, its It is characterized in that：Including the primary module that is connected with host computer and the slave module in gas electricity instrument, slave module is multiple, slave module Wirelessly it is connected with primary module.

Further, the slave module includes receiving the voltage signal of gas electricity instrument output and being converted into counting by voltage signal The AD conversion chip of word signal, slave module single-chip microcomputer, slave module wirelessly transferred chip and slave module antenna, the AD conversion chip Outfan be connected with the input of slave module single-chip microcomputer, slave module single-chip microcomputer connect slave module wirelessly transferred chip, slave module Wirelessly transferred chip connects slave module antenna.

Further, the slave module also includes the interface for being connected with gas electricity instrument.

Further, the slave module also includes the slave module voltage conversion chip for power taking.

Further, the slave module also includes that clock chip, clock chip are connected with slave module single-chip microcomputer.

Further, the slave module also includes slave module buzzer and slave module LED, slave module buzzer and from mould Block LED is connected with slave module single-chip microcomputer.

Further, the primary module includes that USB turns serial port chip, primary module wirelessly transferred chip, primary module single-chip microcomputer With primary module antenna；The primary module antenna is connected with primary module wirelessly transferred chip, primary module wireless sensing chip and main mould Block single-chip microcomputer connects, and primary module single-chip microcomputer connection USB turns serial port chip.

Further, the primary module also includes the USB interface being connected with host computer.

Further, the primary module also includes primary module voltage conversion chip, primary module voltage conversion chip connection master Module single-chip microcomputer.

Further, the primary module also includes primary module buzzer and primary module LED, primary module buzzer and main mould Block LED connects primary module single-chip microcomputer.

This utility model has the advantages that：

（1）This utility model can substantially reduce wiring cost using being wirelessly transferred, and this utility model is using being wirelessly transferred skill Art replaces original wired RS485 nets, point-to-point can communicate, and multiple wireless sending modules and a wireless receiving module connect Network consisting is connect, 100 are at most can be extended to；

（2）This utility model on the basis of the flicker of original LED increases buzzer, points out to grasp by alternative sounds Whether author's data receive successfully, if reception failure, operator resends data, this considerably increases data receiver into The reliability of work(, it is to avoid losing needs data to be saved；

（3）This utility model is exclusively used in quality inspection measuring instrument, can calculate many kinds of parameters according to measured value, and additional measurement is real Send as packet between constantly and preserve, be easy to production management；

（4）For electrical characteristic is identical, error produces single detection case, can be perceived by the Internet of Things of principal and subordinate's intermodule Simplify measurer correction, passive increase is calibrated number of times, reduce calibration instrument quantity.

Description of the drawings

Fig. 1 is the block diagram of the master-slave radio transport module that this utility model is used for gas electricity instrument.

Fig. 2 is the structure chart of the slave module.

Fig. 3 is the structure chart of the primary module.

Specific embodiment

With reference to concrete accompanying drawing, the utility model is described in further detail.

As shown in FIG. 1 to 3：The master-slave radio transport module for gas electricity instrument includes host computer 1, primary module 2nd, USB interface 201, USB turns serial port chip 202, primary module voltage conversion chip 203, primary module wirelessly transferred chip 204, master Module single-chip microcomputer 205, primary module buzzer 206, primary module LED 207, primary module antenna 208, gas electricity instrument 3, slave module 4, Interface 401, AD conversion chip 402, slave module voltage conversion chip 403, slave module wirelessly transferred chip 404, clock chip 405th, slave module single-chip microcomputer 406, slave module buzzer 407, slave module LED 408, slave module antenna 409 etc..

As shown in figure 1, the master-slave radio transport module for gas electricity instrument described in the utility model, including with host computer The primary module 2 of 1 connection and the slave module 4 in gas electricity instrument 3, slave module 4 are multiple, are connected with primary module 2.

As shown in Fig. 2 the slave module 4 include interface 401, AD conversion chip 402, slave module voltage conversion chip 403, Slave module wirelessly transferred chip 404, clock chip 405, slave module single-chip microcomputer 406, slave module buzzer 407, slave module LED 408 and slave module antenna 409；The interface 401 is used for being connected with gas electricity instrument 3；The AD conversion chip 402 is used for receiving gas The voltage signal of the output of electricity instrument 3, and the voltage signal that gas electricity instrument 3 is exported is converted into digital signal；The slave module electricity Pressure conversion chip 403 is used for power taking, and running voltage is 5V；The outfan connection slave module single-chip microcomputer of the AD conversion chip 402 406 input, slave module voltage conversion chip 403 connect slave module single-chip microcomputer 406 and clock chip 405, slave module respectively The connection slave module wirelessly transferred chip 404, slave module buzzer 407 of single-chip microcomputer 406 and slave module LED 408, slave module is wireless The transmission connection slave module of chip 404 antenna 409.

As shown in figure 3, the primary module 2 includes that USB interface 201, USB turns serial port chip 202, primary module voltage conversion core Piece 203, primary module wirelessly transferred chip 204, primary module single-chip microcomputer 205, primary module buzzer 206,207 and of primary module LED Primary module antenna 208；The primary module antenna 208 is connected with primary module wirelessly transferred chip 204, primary module wireless sensing chip 204 are connected with primary module single-chip microcomputer 205, and the connection USB of primary module single-chip microcomputer 205 turns serial port chip 202, primary module voltage conversion core Piece 203, primary module buzzer 206 and primary module LED 207；The USB interface 201 is used for being connected with host computer 1；The master Module voltage conversion chip 203 is connected with USB interface 201, and for power taking, running voltage is 5V.

The running voltage of the slave module is 5V, operating frequency selection 433MHz, and modulation system LoRa, sensitivity are -111 - 148 dBm are arrived, frame data sends the time less than 0.5s.The running voltage of the primary module be 5V, operating frequency select 433MHz, modulation system LoRa, sensitivity are -111 to -148 dBm.

Carried out data transmission by SPI between single-chip microcomputer and wirelessly transferred chip.Data protocol form is：Start bit （0X40）+ device address number+measurement data+data check and+separation position（0X40）+ equipment group number+stop bits（0X52）.Equipment Address number is the numbering of gas electricity instrument, and in the range from 1-100, equipment group number scope is 1-5.Measurement data is gas electricity instrument reality Surveyed workpiece size.

The AD conversion chip 402 adopts RS-485 transceiving chips, for receiving RS-485 signals and being converted into digital TTL Signal.

The course of work of the master-slave radio transport module for gas electricity instrument described in the utility model：

（1）Primary module is connected with any USB port of computer, whole system is initialized by upper computer software；

（2）By slave module in gas electricity instrument, gas electricity instrument accesses wireless network by slave module, sends out to host computer Go out group number Address requests, host computer returns currently vacant address bit, and slave module sets equipment group number address automatically；One master Module assignment fixes group number address, and gas electricity instrument, at most can be by 100 pneumoelectric amounts by the automatic allocation packets address of slave module The measurement data of instrument is uploaded to a host computer；

Gas electricity instrument possesses independent address in itself, and operator can be arbitrarily arranged between No. 1 to No. 100, and slave module is not Participate in arranging this address.The group number address of slave module is used for being grouped quantity more than 100 gas electricity instruments.In a region The data of most 500 gas electricity instruments at most can be received using 5 primary modules；

（3）Upper computer software is opened, for receiving measurement data；

（4）Gas electricity instrument measurement workpiece size is finished, and the RS-485 signals that gas electricity instrument is exported are converted into counting by slave module Word TTL signal, obtains the practical work piece size value of workpiece after carrying out data processing, and the verification of computation and measurement data and as number Send according to bag；Primary module receives data, after address coupling is qualified, feeds back a receipt completion signal, while data are passed through USB interface is transferred to host computer；Measurement end slave module produces different sound by buzzer and LED sends different face Color, points out whether operator's data send successfully.

This utility model is exclusively used in the data transfer of gas electricity instrument, and the data volume that is transmitted is less, the speed to data transfer Degree is less demanding, and from 433MHz frequency ranges, the penetration capacity of the frequency range wireless signal is strong, the distance of transmission can in more than 200m, Meet the requirement of multiple stage gas electricity instrument distance data transmission.

Central node of the prior art will be connected with multimachine, and circuit is more, can substantially reduce using after being wirelessly transferred Wiring cost.This utility model replaces original wired RS-485 nets using Radio Transmission Technology, as shown in figure 1, can put right The communication of point, multiple slave modules are connected network consisting, at most can be extended to 500 with a primary module.

Some wireless transport modules of the prior art, flash to point out data receiver success using LED, due to LED Lamp is less, easily ignores in use.Some communication interfaces are normally placed in the instrument back side, will also result in display lamp and are not easy The situation of observation.This utility model on the basis of the flicker of original LED increases buzzer, points out to grasp by alternative sounds Whether author's data receive successfully.After primary module is successfully received data, a receipt completion signal can be fed back, slave module is received This feedback signal is so as to judging whether data send successfully.Operator can pass through the auditory tone cueses of buzzer or pass through LED The flashing mode of lamp is judging whether measurement data uploads successfully.If reception failure, operator resend data, this is big Data receiver successful reliability increased greatly, it is to avoid losing needs data to be saved.

Claims (8)

1. a kind of master-slave radio transport module for gas electricity instrument, is characterized in that：Including with host computer（1）The main mould of connection Block（2）Be arranged on gas electricity instrument（3）On slave module（4）, slave module（4）For multiple, slave module（4）With primary module（2）Nothing Line connects；

The slave module（4）Including receiving gas electricity instrument（3）Voltage signal is simultaneously converted into digital signal by the voltage signal of output AD conversion chip（402）, slave module single-chip microcomputer（406）, slave module wirelessly transferred chip（404）With slave module antenna（409）, The AD conversion chip（402）Outfan and slave module single-chip microcomputer（406）Input connection, slave module single-chip microcomputer（406） Connection slave module wirelessly transferred chip（404）, slave module wirelessly transferred chip（404）Connection slave module antenna（409）；

The primary module（2）Turn serial port chip including USB（202）, primary module wirelessly transferred chip（204）, primary module single-chip microcomputer （205）With primary module antenna（208）；The primary module antenna（208）With primary module wirelessly transferred chip（204）Connection, main mould Block wireless sensing chip（204）With primary module single-chip microcomputer（205）Connection, primary module single-chip microcomputer（205）Connection USB turns serial port chip （202）.

2. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The slave module （4）Also include for gas electricity instrument（3）The interface of connection（401）.

3. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The slave module （4）Also include the slave module voltage conversion chip for power taking（403）.

4. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The slave module （4）Also include clock chip（405）, clock chip（405）With slave module single-chip microcomputer（406）Connection.

5. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The slave module （4）Also include slave module buzzer（407）With slave module LED（408）, slave module buzzer（407）With slave module LED （408）With slave module single-chip microcomputer（406）Connection.

6. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The primary module （2）Also include and host computer（1）The USB interface of connection（201）.

7. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The primary module （2）Also include primary module voltage conversion chip（203）, primary module voltage conversion chip（203）Connection primary module single-chip microcomputer （205）.

8. the master-slave radio transport module for being used for gas electricity instrument as claimed in claim 1, is characterized in that：The primary module （2）Also include primary module buzzer（206）With primary module LED（207）, primary module buzzer（206）With primary module LED （207）Connection primary module single-chip microcomputer（205）.