CN208780808U - Correction platform near infrared communication circuit and correction platform - Google Patents
Correction platform near infrared communication circuit and correction platform Download PDFInfo
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- CN208780808U CN208780808U CN201821483757.0U CN201821483757U CN208780808U CN 208780808 U CN208780808 U CN 208780808U CN 201821483757 U CN201821483757 U CN 201821483757U CN 208780808 U CN208780808 U CN 208780808U
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Abstract
The utility model discloses a kind of correction platform near infrared communication circuit and correction platforms, correction platform near infrared communication circuit includes 485 telecommunication circuits and power supply, 485 telecommunication circuit includes communication interface A and communication interface B, 485 telecommunication circuits are electrically connected to a power source, circuit is received including near infrared emission, the near infrared emission receives circuit output end and is electrically connected with 485 telecommunication circuit input terminals, the near infrared emission receives circuit input end and is electrically connected with 485 telecommunication circuit output ends, and the near infrared emission receives circuit and is electrically connected to a power source.Correction platform includes correction platform and correction platform near infrared communication circuit, and the correction platform includes 485 communication interfaces, and the communication interface A and B of 485 telecommunication circuit is electrically connected with 485 communication interface of correction platform.Correction platform near infrared communication circuit and correction platform disclosed by the utility model, meet different clients demand simultaneously, reduce production cost.
Description
Technical field
The utility model relates to ammeter technical fields, specifically, being related to a kind of correction platform near infrared communication circuit and school
Table platform.
Background technique
In ammeter industry, ammeter, which is likely to occur, counts inaccurate situation, thus influences whether the reality of ammeter user
Interests, so need to calibrate ammeter, and this task is completed by correction platform.
The communication mode of correction platform is 485 communications, however the requirement of different regions client is not exactly the same, the communication of ammeter
Mode is also different, causes the communication mode of ammeter and correction platform also inconsistent, so sometimes for different clients demand, meeting is met
Increase the cost of some devices, this problem has to be solved.
Utility model content
The purpose of this utility model is to provide a kind of correction platform near infrared communication circuit and correction platforms, meet different clients
Demand simultaneously, reduces production cost.
Technical solution used by correction platform near infrared communication circuit and correction platform disclosed by the utility model is:
A kind of correction platform near infrared communication circuit, including 485 telecommunication circuits and power supply, 485 telecommunication circuit include logical
Letter interface A and communication interface B, 485 telecommunication circuit are electrically connected to a power source, and further include that near infrared emission receives circuit, described
Near infrared emission receives circuit output end and is electrically connected with 485 telecommunication circuit input terminals, and the near infrared emission receives circuit input
End is electrically connected with 485 telecommunication circuit output ends, and the near infrared emission receives circuit and is electrically connected to a power source.
Preferably, it includes triode and resistance R6 that the near infrared emission, which receives circuit, and the triode is PNP
Type triode, described one end transistor base connecting resistance R6, the resistance R6 other end are electrically connected with 485 telecommunication circuit output ends
It connects, the transistor collector ground connection.
Preferably, it includes that near infrared emission diode and near-infrared receive two that the near infrared emission, which receives circuit,
Pole pipe, the near infrared emission diode cathode connect power supply, and cathode connects transistor emitter, and the near-infrared reception diode is just
Pole is electrically connected with 485 telecommunication circuit input terminals, and cathode connects power supply.
Preferably, 485 telecommunication circuit includes two-way Transient Suppression Diode, and the two-way transient state inhibits two
Pole pipe one end meets communication interface A, and the other end meets communication interface B.
Preferably, 485 telecommunication circuit includes pull-up resistor and pull down resistor, and told pull-up resistor one terminates
Communication interface A, another termination power of pull-up resistor, described pull down resistor one end connect communication interface B, another termination of pull down resistor
Ground.
The technical program also provides a kind of correction platform, including correction platform and correction platform near infrared communication circuit, the calibration
Platform includes 485 communication interfaces, and the communication interface A and B of 485 telecommunication circuit is electrically connected with 485 communication interface of correction platform.
The beneficial effect of correction platform near infrared communication circuit and correction platform disclosed by the utility model is: first 485 communications
Circuit obtains correction platform data information, and then 485 telecommunication circuits receive circuit by near infrared emission again and convert a signal into closely
Infrared signal is launched；Equally, circuit is received by near infrared emission and receives near infrared signal, and near infrared signal is converted to
Electric signal is transmitted to 485 telecommunication circuits, then signal is transmitted to correction platform by 485 telecommunication circuits.Correction platform uses near infrared communication side
Formula can produce the ammeter equipment again near infrared communication, keep ammeter consistent with correction platform communication mode, meet different visitors
Family demand simultaneously, reduces production cost.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model correction platform near infrared communication circuit.
Fig. 2 is the signal flow graph of the utility model correction platform near infrared communication circuit.
Specific embodiment
The utility model is further elaborated and is illustrated with Figure of description combined with specific embodiments below:
Fig. 1 and Fig. 2 are please referred to, correction platform near infrared communication circuit includes 485 telecommunication circuits 10, near infrared emission reception electricity
Road 20 and power supply VCC.485 telecommunication circuits 10 include communication interface A and communication interface B, and near infrared emission receives circuit 20 and exports
End is electrically connected with 485 telecommunication circuit, 10 input terminal, and near infrared emission receives 20 input terminal of circuit and 485 telecommunication circuit, 10 output end
Electrical connection.
In the present embodiment, capacitor C1 and C2 are connected between power supply VCC and ground terminal.Wherein C1 is electrolytic capacitor, capacitor C1
Anode connects power supply, and capacitor C1 cathode ground connection, capacitor C1 and C2 are for the filtering to power supply.Power supply be used for 485 telecommunication circuits and
The power supply of near infrared emission reception circuit.
In the present embodiment, 485 telecommunication circuits 10 include model MAX13085 chip U, resistance R1, R2, RT and two-way transient state
Inhibit diode TVS.Chip U has 8 ports, and middle port 8 connects power supply, and port 7 meets communication interface B, one end resistance R1 and double
To the one end Transient Suppression Diode TVS, resistance R1 other end ground connection, 6 one end connecting resistance RT of port, the one end resistance R2 and two-way wink
State inhibits the diode TVS other end, and the resistance RT other end meets communication interface A, another termination power of resistance R2, and port 5 is grounded, end
Mouth 4 receives 20 output end of circuit near infrared emission as input terminal and is electrically connected, and port 3 and port 2 are held as output enable end
Mouth 1 receives 20 input terminal of circuit near infrared emission as output end and is electrically connected.Wherein drop-down electricity of the resistance R1 as port 7
Resistance, makes 7 normality low level of port, pull-up resistor of the resistance R2 as port 6 makes 6 normality high level of port, and resistance RT is
Surge can be absorbed in variable resistance, two-way Transient Suppression Diode TVS, plays the role of protecting 485 telecommunication circuits.485 communications
Circuit is for the acquisition and write-in to correction platform data information.
In the present embodiment, it includes near-infrared reception diode IR-JR, near infrared emission two that near infrared emission, which receives circuit 20,
Pole pipe IR-T, PNP triode Q1, resistance R3, R4, R5, R6 and capacitor C3.The one end triode Q1 base stage connecting resistance R6, resistance R6
485 telecommunication circuit output ends of another termination, triode Q1 grounded collector, triode Q1 emitter is close to infrared-emitting diode
IR-T cathode, the one end near infrared emission diode IR-T anode connecting resistance R5, another termination power of resistance R5 and filter capacitor C3
One end, capacitor C3 other end ground connection.Near-infrared reception diode IR-JR cathode connects power supply, and near-infrared reception diode IR-JR is just
Pole connects 485 telecommunication circuits output enable end and the one end resistance R4, and resistance R4 other end ground connection and the one end resistance R3, resistance R3 are another
Terminate 485 telecommunication circuit input terminals.Wherein near-infrared reception diode IR-JR model AT405-PT-02 is close red for receiving
External signal simultaneously changes into electric signal；Near infrared emission diode IR-T model IR333C, turns near infrared signal for electric signal.Closely
Infrared emission receives circuit for converting between electric signal and near infrared signal.
This programme also provides a kind of correction platform, including correction platform and correction platform near infrared communication circuit, and correction platform includes 485
The communication interface A and B of communication interface, 485 telecommunication circuit is electrically connected with 485 communication interface of correction platform.
Correction platform data information is obtained by 485 telecommunication circuits, 485 telecommunication circuits pass through near infrared emission again and receive circuit
Near infrared signal is converted a signal into launch；Equally, circuit is received by near infrared emission and receives near infrared signal, and nearly
Infrared signal is converted to electric signal and is transmitted to 485 telecommunication circuits, then signal is transmitted to correction platform by 485 telecommunication circuits.485 communications turn
Near infrared communication has been equivalent to more than correction platform a kind of communication mode, can produce the ammeter equipment again near infrared communication,
The communication between ammeter and correction platform can be completed by near infrared signal.Correction platform and ammeter equipment all use near-infrared
Communication mode, facilitate the production and processing of ammeter equipment, reduce production cost.
In above scheme, during solving ammeter production and calibration, correction platform with ammeter communication mode is inconsistent asks
Topic, while meeting different clients demand, reduces the production cost of itself.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (6)
1. a kind of correction platform near infrared communication circuit, including 485 telecommunication circuits and power supply, 485 telecommunication circuit includes communication
Interface A and communication interface B, 485 telecommunication circuit are electrically connected to a power source, which is characterized in that receive electricity including near infrared emission
Road, the near infrared emission receive circuit output end and are electrically connected with 485 telecommunication circuit input terminals, and the near infrared emission receives electricity
Road input terminal is electrically connected with 485 telecommunication circuit output ends, and the near infrared emission receives circuit and is electrically connected to a power source.
2. correction platform near infrared communication circuit as described in claim 1, which is characterized in that the near infrared emission receives circuit
Including triode and resistance R6, the triode is PNP type triode, described one end transistor base connecting resistance R6, the electricity
The resistance R6 other end is electrically connected with 485 telecommunication circuit output ends, the transistor collector ground connection.
3. correction platform near infrared communication circuit as claimed in claim 2, which is characterized in that the near infrared emission receives circuit
Including near infrared emission diode and near-infrared reception diode, the near infrared emission diode cathode connects power supply, near-infrared
Emitting diode cathode connects transistor emitter, and the near-infrared receives diode cathode and is electrically connected with 485 telecommunication circuit input terminals
It connects, near-infrared receives diode cathode and connects power supply.
4. correction platform near infrared communication circuit as described in claim 1, which is characterized in that 485 telecommunication circuit includes double
To Transient Suppression Diode, described two-way Transient Suppression Diode one end meets communication interface A, and the other end meets communication interface B.
5. correction platform near infrared communication circuit as described in claim 1, which is characterized in that 485 telecommunication circuit includes upper
Pull-up resistor and pull down resistor, told pull-up resistor one end connect communication interface A, another termination power of pull-up resistor, the drop-down electricity
Resistance one end connects communication interface B, pull down resistor other end ground connection.
6. a kind of correction platform, including correction platform, the correction platform includes 485 communication interfaces, which is characterized in that including claim
Correction platform near infrared communication circuit described in 1-5 any one, the communication interface A and B and correction platform of 485 telecommunication circuit
The electrical connection of 485 communication interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821483757.0U CN208780808U (en) | 2018-09-11 | 2018-09-11 | Correction platform near infrared communication circuit and correction platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821483757.0U CN208780808U (en) | 2018-09-11 | 2018-09-11 | Correction platform near infrared communication circuit and correction platform |
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| Publication Number | Publication Date |
|---|---|
| CN208780808U true CN208780808U (en) | 2019-04-23 |
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ID=66160587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821483757.0U Active CN208780808U (en) | 2018-09-11 | 2018-09-11 | Correction platform near infrared communication circuit and correction platform |
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| Country | Link |
|---|---|
| CN (1) | CN208780808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609253A (en) * | 2019-10-30 | 2019-12-24 | 深圳供电局有限公司 | Photoelectric device of electric energy meter and infrared emission control method |
-
2018
- 2018-09-11 CN CN201821483757.0U patent/CN208780808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609253A (en) * | 2019-10-30 | 2019-12-24 | 深圳供电局有限公司 | Photoelectric device of electric energy meter and infrared emission control method |
| CN110609253B (en) * | 2019-10-30 | 2023-10-10 | 深圳供电局有限公司 | Electric energy meter photoelectric device and infrared emission control method |
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