CN206948332U - A kind of multi-parallel intelligent meter data recording optical-electrical converter - Google Patents
A kind of multi-parallel intelligent meter data recording optical-electrical converter Download PDFInfo
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- CN206948332U CN206948332U CN201720772694.XU CN201720772694U CN206948332U CN 206948332 U CN206948332 U CN 206948332U CN 201720772694 U CN201720772694 U CN 201720772694U CN 206948332 U CN206948332 U CN 206948332U
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Abstract
The utility model embodiment provides a kind of multi-parallel intelligent meter data recording optical-electrical converter, including：Controller, infrared transtation mission circuit, infrared receiving circuit, RS485 communicating circuits, the infrared transtation mission circuit include：The first light emitting diode D7 anodes connect operating voltage, negative electrode is connected with the colelctor electrode of first triode, the base stage of first triode is connected with the colelctor electrode of the second triode and is connected with one end of first resistor, and the other end of the first resistor is connected with controller；The grounded emitter of second triode, the base stage of second triode is connected with the emitter stage of first triode, and is grounded by the second resistance.The scheme provided using the utility model embodiment, can effectively solve the problems, such as that optical-electrical converter is unable to parallel running using the RS485 interface DL/T645 optical-electrical converters of intelligent meter data recording system RS485 interface control software technologies.
Description
Technical field
Intelligent meter data recording technical field is the utility model is related to, more particularly to a kind of multi-parallel intelligent meter data recording opto-electronic conversion
Device.
Background technology
With development in science and technology, live kilowatt meter recorder is progressively sent out from single one-to-one meter reading in terms of a pair of mutli-system integrations
Exhibition, even it is short of in terms of DL/T645 stipulations optical-electrical converter products that can be in parallel at present, existing product one-to-one can only be grasped
Make.Can be effective using the RS485 interface DL/T645 optical-electrical converters of intelligent meter data recording system RS485 interface control software technologies
The application for solving the problems, such as that optical-electrical converter is unable to parallel running, realizing one-to-many meter reading integrated system, filled up this
The blank of aspect application product.
Utility model content
The purpose of the utility model embodiment is to provide a kind of multi-parallel intelligent meter data recording optical-electrical converter, to use intelligence
The RS485 interface DL/T645 optical-electrical converters of kilowatt meter reading-out system RS485 interface control software technologies can effectively solve photoelectricity
Converter is unable to the problem of parallel running.Concrete technical scheme is as follows：
To reach above-mentioned purpose, the utility model embodiment provides a kind of multi-parallel intelligent meter data recording optical-electrical converter, bag
Include：Controller, infrared transtation mission circuit, infrared receiving circuit, RS485 communicating circuits,
The infrared transtation mission circuit includes：First triode, the second triode, first resistor, second resistance and the first hair
Optical diode, the first light emitting diode D7 anodes connect operating voltage, the colelctor electrode phase of negative electrode and first triode
Even, the base stage of first triode is connected with the colelctor electrode of the second triode and is connected with one end of first resistor, and described the
The other end of one resistance is connected with controller；The grounded emitter of second triode, the base stage of second triode with
The emitter stage of first triode is connected, and is grounded by the second resistance；
The infrared receiving circuit includes：3rd resistor, the first electric capacity and control chip, the first of the control chip draws
Pin is grounded and is connected by the first electric capacity with second pin, and the second pin is connected by 3rd resistor with operating voltage, institute
The 3rd pin for stating control chip is connected with controller；
The RS485 communicating circuits include：Second control chip, the 4th resistance, the 5th resistance, the 6th resistance, the 7th electricity
Resistance, the 8th resistance, the 9th resistance, second control chip are RS485 Communication Control chips, the of second control chip
One output pin is connected to operating voltage, and the other end by the 4th resistance (R8) and institute by one end of the 4th resistance (R8)
The one end for stating the 5th resistance (R14) is connected, and the other end of the 5th resistance (R14) is output end, second control chip
The second output pin be grounded by the 6th resistance (R9), and be connected with one end of the 7th resistance (R15), the 7th resistance
The other end is output end, and the 3rd output pin of second control chip passes through the 8th resistance (R16) and the described 7th
Resistance (R15) output end is connected, and the 4th output pin of second control chip by the 9th resistance (R13) and states the 5th electricity
The output end of resistance (R14) is connected, and the input of second control chip is connected with the controller.
Optionally, the crystal oscillating circuit of the controller includes：It is in parallel with crystal oscillator (Y1) by resistance (R12), and the crystalline substance
The one end to shake is connected and is grounded with electric capacity (C6) other end with electric capacity (C7), and the crystal oscillator (Y1) is connected with the controller.
Optionally, in addition to mu balanced circuit, the mu balanced circuit include：The pin 1 of voltage stabilizing chip and pin 7 and pin 8
It is connected, and the negative electrode phase for the diode (D1) for being connected by resistance (R5) with electrochemical capacitor (C1) one end and being connected with pin 6
Even, electrochemical capacitor (C1) other end ground connection, the anode other end of the diode (D1) are connected with resistance (R6) one end, institute
State resistance (R6) and be used as output end, the one end and ground connection of the pin 5 of the voltage stabilizing chip by resistance (R2), the resistance (R2)
The other end be connected with resistance (R10), the other end of the resistance (R10) is connected with output voltage, and the voltage stabilizing chip is drawn
Pin 3 is connected by electric capacity (C4), and the pin 2 of the voltage stabilizing chip is connected and is connected defeated with electrochemical capacitor (C5) by inductance (L1)
Go out voltage, the other end ground connection of the electrochemical capacitor (C5), and the negative electrode phase of the pin 2 of the voltage stabilizing chip and diode (D2)
Even, the plus earth of the diode (D2).
Optionally, in addition to indicator light circuit, the indicator light circuit include：Light emitting diode (D3, D4, D5), it is described
The both ends of light emitting diode (D3, D4, D5) are connected with the controller respectively.
A kind of multi-parallel intelligent meter data recording optical-electrical converter provided using the utility model embodiment, uses intelligent meter data recording system
The RS485 interface DL/T645 optical-electrical converters of system RS485 interface control software technologies can effectively solve optical-electrical converter
The problem of being unable to parallel running, the application of one-to-many meter reading integrated system is realized, has filled up the blank of this respect application product.
Realize the application of one-to-many integrated kilowatt meter reading-out system, change over one-to-one kilowatt meter reading-out system apply bottleneck, make equipment cost,
Operating efficiency is obtained for the optimization of very big program.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of circuit diagram for multi-parallel intelligent meter data recording optical-electrical converter that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
To solve prior art problem, the utility model embodiment provides a kind of multi-parallel intelligent meter data recording opto-electronic conversion
Device, as shown in figure 1, including：Controller, infrared transtation mission circuit, infrared receiving circuit, RS485 communicating circuits,
The infrared transtation mission circuit includes：First triode Q1, the second triode Q2, first resistor R3, second resistance R4
With the first light emitting diode, the first light emitting diode D7 anodes connect operating voltage VCC, negative electrode and first triode
Q1 colelctor electrode is connected, the base stage of the first triode Q1 be connected with the second triode Q2 colelctor electrode and with first resistor R3
One end be connected, the other end of the first resistor R3 is connected with controller U1；The grounded emitter of the second triode Q2,
The base stage of the second triode Q2 is connected with the emitter stage of the first triode Q1, and is connect by the second resistance R4
Ground；
The infrared receiving circuit includes：3rd resistor R11, the first electric capacity C3 and control chip D6, the control chip
D6 the first pin is grounded simultaneously to be connected by the first electric capacity C3 with second pin, the second pin by 3rd resistor R11 and
Operating voltage is connected, and the 3rd pin of the control chip D6 is connected with controller U1；
The RS485 communicating circuits include：Second control chip U2, the 4th resistance R8, the 5th resistance R14, the 6th resistance
R9, the 7th resistance R15, the 8th resistance R16, the 9th resistance R13, the second control chip U2 are RS485 Communication Control chips,
The first output pin of the second control chip U2 is connected to operating voltage vcc by the 4th resistance R8 one end, and passes through
The 4th resistance R8 other end is connected with one end of the 5th resistance R14, and the other end of the 5th resistance R14 is output
End, the second output pin of second control chip is grounded by the 6th resistance R9, and with the 7th resistance R15 one end phase
Even, the other end of the 7th resistance is output end, and the 3rd output pin of second control chip passes through the described 8th electricity
Resistance R16 is connected with the 7th resistance R15 output ends, and the 4th output pin of second control chip passes through the 9th resistance
R13 is connected with stating the 5th resistance R14 output end, and the input of second control chip is connected with the controller.
Specifically, the crystal oscillating circuit of the controller includes：It is in parallel with crystal oscillator Y1 by resistance R12, and the crystal oscillator
One end is connected and is grounded with the electric capacity C6 other ends with electric capacity (C7), and the crystal oscillator Y1 is connected with the controller.
Utility model can also include mu balanced circuit, and the mu balanced circuit includes：The pin 1 of voltage stabilizing chip and pin 7 and
Pin 8 is connected, and the negative electrode phase for the diode D1 for being connected by resistance R5 with electrochemical capacitor C1 one end and being connected with pin 6
Even, the electrochemical capacitor C1 other ends ground connection, the anode other end of the diode D1 are connected with resistance R6 one end, the resistance
R6 is as output end, the one end and ground connection of the pin 5 of the voltage stabilizing chip by resistance R2, the other end and the electricity of the resistance R2
Resistance R10 is connected, and the other end of the resistance R10 is connected with output voltage, and the pin 3 of the voltage stabilizing chip passes through electric capacity C4 phases
Even, the pin 2 of the voltage stabilizing chip is connected with electrochemical capacitor C5 by inductance L1 and is connected output voltage, the electrochemical capacitor C5
Other end ground connection, and the pin 2 of the voltage stabilizing chip is connected with diode D2 negative electrode, and the anode of the diode D2 connects
Ground.
In addition, also including indicator light circuit, the indicator light circuit includes：Light emitting diode D3, D4, D5, it is described luminous
Diode D3, D4, D5 both ends are connected with the controller respectively.
It is secondary by the RS485 communication interface chips of software control optical-electrical converter, software control data communication bus I/O
Cut out, prevent data bus conflict, realize that product can be normally carried out RS485 communications.
Software after initialization, produces 38KHz time-base signal, is believed by 38KHz time-base signals to sample infrared receiver
Number with RS485 bus datas connect signal, by program it is anti-interference after, judge which side has priority to switch optical-electrical converter
The input/output direction of RS485 interfaces, control is transmitted/received with infrared, and export LED signal to indicate infrared receiving/transmission state.
As shown in figure 1,1 is status indication section：Mainly it is made up of LED and current-limiting resistance, major function is indicated number
According to sending and receiving state, receive data when RXD lamps it is bright, send data when TXD lamps it is bright, 2 be MCU：Run intelligent meter data recording system
RS485 interface control softwares, the modulation of feux rouges communication format, 485 bus marcos and input and output, state instruction etc. are act as, 3 are
Voltage-stabilized power supply part：Mainly by groups such as switch voltage-stabilizing IC, energy storage inductor, storage capacitor, fly-wheel diode, anti-reverse diodes
Into major function is outside input 9~36V of dc source voltage stabilizings to 5V, and 4 be download port part：Major function is online
Firmware is downloaded, is communicated with SPI, 5 be PORT COM part：RS485 Wiring ports, it is connected with outside RS485 communication buses, mainly
It is made up of interface chip, load resistance, build-out resistor etc., 6 be infrared receiver part：Mainly by infrared receiving terminal, RC filtering
Circuit forms, and function is reception, demodulation infrared communication data.7 be clock circuit part：It is made up of crystal oscillator and load capacitance, is
System provides high-precision clock.8 be infrared transmitting portion：It is made up of emitter amplifier, constant-current circuit and infrared transmitting tube, work(
It can be the brewed infrared signal for sending MCU outputs.
Preferred embodiment of the present utility model is the foregoing is only, is not intended to limit protection model of the present utility model
Enclose.All made within spirit of the present utility model and principle any modification, equivalent substitution and improvements etc., are all contained in this reality
With in new protection domain.
Claims (4)
- A kind of 1. multi-parallel intelligent meter data recording optical-electrical converter, it is characterised in that including：Controller, infrared transtation mission circuit, infrared connect Circuit, RS485 communicating circuits are received,The infrared transtation mission circuit includes：First triode, the second triode, first resistor, second resistance and first luminous two Pole pipe, the first light emitting diode D7 anodes connect operating voltage, and negative electrode is connected with the colelctor electrode of first triode, institute The base stage for stating the first triode is connected with the colelctor electrode of the second triode and is connected with one end of first resistor, the first resistor The other end be connected with controller；The grounded emitter of second triode, the base stage of second triode and described the The emitter stage of one triode is connected, and is grounded by the second resistance；The infrared receiving circuit includes：3rd resistor, the first electric capacity and control chip, the first pin of the control chip connect Ground is simultaneously connected by the first electric capacity with second pin, and the second pin is connected by 3rd resistor with operating voltage, the control 3rd pin of coremaking piece is connected with controller；The RS485 communicating circuits include：Second control chip, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, Eight resistance, the 9th resistance, second control chip are RS485 Communication Control chips, and the first of second control chip is defeated Go out pin and operating voltage is connected to by one end of the 4th resistance (R8), and pass through the other end of the 4th resistance (R8) and described the One end of five resistance (R14) is connected, and the other end of the 5th resistance (R14) is output end, and the of second control chip Two output pins are grounded by the 6th resistance (R9), and are connected with one end of the 7th resistance (R15), the 7th resistance it is another Hold and pass through the 8th resistance (R16) and the 7th resistance for output end, the 3rd output pin of second control chip (R15) output end is connected, and the 4th output pin of second control chip by the 9th resistance (R13) and states the 5th resistance (R14) output end is connected, and the input of second control chip is connected with the controller.
- 2. multi-parallel intelligent meter data recording optical-electrical converter according to claim 1, it is characterised in that the crystal oscillator of the controller Circuit includes：It is in parallel with crystal oscillator (Y1) by resistance (R12), and one end of the crystal oscillator and electric capacity (C6) other end and electric capacity (C7) it is connected and is grounded, and the crystal oscillator (Y1) is connected with the controller.
- 3. multi-parallel intelligent meter data recording optical-electrical converter according to claim 1, it is characterised in that also including mu balanced circuit, The mu balanced circuit includes：The pin 1 of voltage stabilizing chip is connected with pin 7 and pin 8, and passes through resistance (R5) and electrochemical capacitor (C1) negative electrode for the diode (D1) that one end is connected and is connected with pin 6 is connected, electrochemical capacitor (C1) other end ground connection, The anode other end of the diode (D1) is connected with resistance (R6) one end, and the resistance (R6) is used as output end, the voltage stabilizing The one end and ground connection of the pin 5 of chip by resistance (R2), the other end of the resistance (R2) is connected with resistance (R10), described The other end of resistance (R10) is connected with output voltage, and the pin 3 of the voltage stabilizing chip is connected by electric capacity (C4), the voltage stabilizing The pin 2 of chip is connected by inductance (L1) and electrochemical capacitor (C5) and is connected output voltage, the electrochemical capacitor (C5) it is another One end is grounded, and the pin 2 of the voltage stabilizing chip is connected with the negative electrode of diode (D2), and the anode of the diode (D2) connects Ground.
- 4. the multi-parallel intelligent meter data recording optical-electrical converter according to claim any one of 1-3, it is characterised in that also include referring to Indication lamp circuit, the indicator light circuit include：Light emitting diode (D3, D4, D5), the two of the light emitting diode (D3, D4, D5) End is connected with the controller respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720772694.XU CN206948332U (en) | 2017-06-29 | 2017-06-29 | A kind of multi-parallel intelligent meter data recording optical-electrical converter |
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| CN201720772694.XU CN206948332U (en) | 2017-06-29 | 2017-06-29 | A kind of multi-parallel intelligent meter data recording optical-electrical converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262305A (en) * | 2019-04-29 | 2019-09-20 | 东风商用车有限公司 | A kind of ECU crystal oscillator application method |
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2017
- 2017-06-29 CN CN201720772694.XU patent/CN206948332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262305A (en) * | 2019-04-29 | 2019-09-20 | 东风商用车有限公司 | A kind of ECU crystal oscillator application method |
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