CN207115740U - Infrared transceiver device for intelligent metering instrument data acquisition - Google Patents
Infrared transceiver device for intelligent metering instrument data acquisition Download PDFInfo
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- CN207115740U CN207115740U CN201720766270.2U CN201720766270U CN207115740U CN 207115740 U CN207115740 U CN 207115740U CN 201720766270 U CN201720766270 U CN 201720766270U CN 207115740 U CN207115740 U CN 207115740U
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- infrared
- metering instrument
- intelligent metering
- circuit
- data acquisition
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Abstract
It the utility model is related to infrared communication technique field, the more particularly to infrared transceiver device for intelligent metering instrument data acquisition.The infrared transceiver device for being used for intelligent metering instrument data acquisition includes infrared receiving/transmission circuit and RS485 telecommunication circuits, the infrared receiving circuit of infrared receiving/transmission circuit obtains the energy resource consumption situation data of each intelligent metering instrument, then communicated by RS485 telecommunication circuits with host computer, the data from intelligent metering instrument received are transferred directly to host computer.Intelligent metering instrument data are gathered by infrared receiving/transmission circuit when the device is applied to industry spot, each intelligent metering instrument need not be routed to, suitable for various complicated industrial environments, and need not be CPU communications using main control module, greatly reduce hardware cost, efficiently solve industry spot wiring it is relatively difficult and also easily occur circuit damage, intelligent metering instrument data acquisition high expensive the problems such as.
Description
Technical field
Infrared communication technique field is the utility model is related to, more particularly to for the infrared of intelligent metering instrument data acquisition
R-T unit.
Background technology
Energy-conservation is China's economy and a long-range strategy and policy of social development, and is appointed when previous item is extremely urgent
Business.At present, China turns into second-biggest-in-the-world production of energy state and second largest energy-consuming state.Over the past two years, in national economy
Under the pulling of rapid growth, energy demand growth in China's is very fast, and it is economical lasting, stable development that energy shortage has also turned into restriction
Major issue.Specific energy consumption is reduced, improves energy use efficiency, is the key of the economic sane development in China.Wherein, variety of energy sources
Diversity be widely used as one of effective measures of energy-conservation, but the diversity of variety of energy sources determines and is used to gather again
The diversity of the smart metering device of energy device energy consumption condition, the process to energy consumption condition data collection and administration bring difficulty
Topic.
In traditional energy device energy consumption condition acquisition scheme, possesses main control module generally by industry spot installation
That is CPU control system, connected up at the scene by CPU serial port function, realize the communication of control system and smart metering device
So as to obtain power consumption data.But for the more complicated industry spot of some environment, wiring is relatively difficult and easily occurs
The failures such as circuit damage, wherein the main control module cost used is also higher, are unfavorable for cost control.
Utility model content
The purpose of this utility model is to avoid above-mentioned weak point of the prior art and providing one kind need not be answered
Miscellaneous field wiring, and the infrared transceiver device for intelligent metering instrument data acquisition of advantage of lower cost.
To achieve the above object, the utility model provides the infrared transceiver device for intelligent metering instrument data acquisition,
Including RS485 telecommunication circuits and infrared receiving/transmission circuit, the RS485 telecommunication circuits include model SN65LBC184 RS485
Communication chip U1 and the RS485 communication interfaces for being connected to RS485 communication chips U1, the RS485 communication interfaces be used for
Position machine communication, the infrared receiving/transmission circuit include infrared transmitting circuit and infrared receiving circuit, the infrared transmitting circuit and institute
State infrared receiving circuit on the one hand to communicate with intelligent metering instrument respectively, on the other hand connect respectively with the RS485 communication chips
Connect.
Wherein, it is serially connected with resettable fuse F1 between RS485 communication chips U1 and the RS485 communication interface.
Wherein, the infrared transmitting circuit includes triode, and the colelctor electrode of the transistor collector is connected with infrared hair
Pipe U4 is penetrated, the base stage of the transistor collector is connected with OR-NOT circuit, a nor gate signal of the OR-NOT circuit
Input is connected to a control signal output pin of the RS485 communication chips U1.
Wherein, the infrared transmitting tube U4 is model TSAL6200 infrared transmitting tube.
Wherein, the infrared receiving circuit is patrolled including infrared receiver probe U3, the infrared receiver probe U3 through triode
Collect circuit and be connected to the RS485 communication chips U1.
Wherein, the infrared receiver probe U3 is model HS0038 infrared receiver probe.
Beneficial effect：This be used for intelligent metering instrument data acquisition infrared transceiver device include infrared receiving/transmission circuit and
RS485 telecommunication circuits, the infrared receiving circuit of infrared receiving/transmission circuit obtain the energy resource consumption situation number of each intelligent metering instrument
According to then being communicated by RS485 telecommunication circuits with host computer, the data from intelligent metering instrument received directly transmitted
To host computer.Intelligent metering instrument data are gathered by infrared receiving/transmission circuit when the device is applied to industry spot, it is not necessary to cloth
Line suitable for various complicated industrial environments, and need not be CPU using main control module to each intelligent metering instrument
Communication, greatly reduce hardware cost, efficiently solve industry spot wiring it is relatively difficult and also easily occur circuit damage, intelligence
The problems such as energy metrical instrument data acquisition high expensive.
Brief description of the drawings
Fig. 1 is the communication connection schematic diagram for the infrared transceiver device of intelligent metering instrument data acquisition.
Fig. 2 is the RS485 telecommunication circuit figures for the infrared transceiver device of intelligent metering instrument data acquisition.
Fig. 3 is the infrared transmitting circuit figure for the infrared transceiver device of intelligent metering instrument data acquisition.
Fig. 4 is the infrared receiving circuit figure for the infrared transceiver device of intelligent metering instrument data acquisition.
Embodiment
The utility model is further described with the following Examples.
As shown in figure 1, the infrared transceiver device 1 is used primarily in enterprise-level energy management center or other data collecting systems
In, communicated by infrared with the various smart metering devices 3 of industry spot, by RS485 buses and upper computer equipment or
PC 2 communicates, realize enterprise's industry spot possess infrared communication function by detect energy device energy consumption condition intelligence based on
Measure the data transfer between equipment 3 and upper computer equipment or PC 2, the product produced for enterprise do Energy Efficiency Analysis provide data according to
According to, it is convenient help enterprise's rationalization scheme and using the energy, reduce unit product energy resource consumption, increase economic efficiency.
The infrared transceiver device 1 includes RS485 telecommunication circuits as shown in Figure 2, and RS485 telecommunication circuits include model
SN65LBC184 RS485 communication chips U1 and the RS485 communication interfaces for being connected to RS485 communication chips U1, RS485 communications
Interface is used to communicate with upper computer equipment or PC 2, and the signal input part of LED light 15 is connected to RS485 communication chips U1.
The RS485 communication chip U1 strong antijamming capabilities, the special RS485 communication chips of the good technical grade of Electro Magnetic Compatibility；Its work
Voltage is 4.5V--7V, and operating temperature is -40 DEG C~85 DEG C, and electrostatic grade can reach level Four, and message transmission rate is in electrical noise
Up to 250 kbps in environment.Resettable fuse F1 is serially connected between RS485 communication chip U1 and RS485 communication interfaces, is used
Being in A, B pin for preventing overcurrent damage RS485 communication chips U1, RS485 communication chip U1 can be with quick response overvoltage protection
The transient state pipe of I/O port, and the k Ω of pull down resistor 3.3 are added on A, B pin peripheral circuit, strengthen the bringing onto load of A, B pin
Ability.
The infrared transceiver device 1 is also included by infrared transmitting circuit as shown in Figure 3 and infrared receiver as shown in Figure 4 electricity
On the one hand the infrared receiving/transmission circuit of road composition, infrared transmitting circuit and infrared receiving circuit communicate with intelligent metering instrument respectively,
On the other hand it is connected respectively with RS485 communication chips.Infrared transmitting circuit includes triode, and the colelctor electrode of transistor collector connects
Model TSAL6200 infrared transmitting tube U4 are connected to, the base stage of transistor collector is connected with OR-NOT circuit, OR-NOT circuit
A nor gate signal input part be connected to a RS485 communication chips U1 control signal output pin.Infrared receiver electricity
Road is connected to RS485 through triode logic circuit including model HS0038 infrared receiver probe U3, infrared receiver probe U3 and led to
Believe chip U1.Infrared transmitting tube U4 is a kind of efficient infrarede emitting diode, has higher radiation function and radiation strong
Degree, high reliability, it is adapted to the electric current action of high impulse.Infrared receiver probe U3 is encapsulated by black epoxy, not by daylight, glimmering
The light sources such as light lamp disturb, included magnetic screen, low in energy consumption, high sensitivity, in the case where coordinating with small-power infrared transmitting tube U4,
It is compatible up to 35m, energy and TTL, cmos circuit that it receives distance；Its reception signal frequency is 38kHz, and the cycle is about 26 microseconds,
Simultaneously signal can be amplified, detection, shaping, obtain the encoded signal of Transistor-Transistor Logic level, and its transmission rate can 800 bits
It is per second.
After infrared transceiver module receives the instruction of host computer by RS485 communication interfaces, infrared receiving/transmission part is forwarded to,
Possesses infrared communication function by infrared receiving/transmission part transmitting to slave computer, its slave computer again；Slave computer receives infrared module hair
After the instruction penetrated, return to corresponding response and instruct to infrared transceiver module, infrared transceiver module receives the instruction of lower bit instruction
Host computer is uploaded to by the RS485 communication interfaces of itself afterwards, so as to complete the interaction of whole data.
The RS485 communication chip U1 states of the infrared transceiver device 1 are reception state in default situations, and infrared emission is electric
Road produces 38kHz carrier signal by external crystal-controlled oscillation, then plays carrier modulation to the data of transmitting by nor gate, will modulate
Signal afterwards is launched by triode and infrared transmitting tube；After infrared emission launches data, RS485 communication cores
Piece U1 is emission state, the function that HS0038 can be controlled to be stopped when infrared transmitting tube is launched, to prevent from receiving and hair
Data are penetrated to interfere.
The infrared transceiver device for being used for intelligent metering instrument data acquisition includes infrared receiving/transmission circuit and RS485 communication electricity
Road, the infrared receiving circuit of infrared receiving/transmission circuit obtain the energy resource consumption situation data of each intelligent metering instrument, then passed through
RS485 telecommunication circuits are communicated with host computer, and the data from intelligent metering instrument received are transferred directly to host computer.Should
Intelligent metering instrument data are gathered by infrared receiving/transmission circuit when device is applied to industry spot, it is not necessary to be routed to each intelligence
Metrical instrument, it suitable for various complicated industrial environments, and need not be CPU communications using main control module, drop significantly
Low hardware cost, it is relatively difficult and circuit damage, intelligent metering instrument easily occur to efficiently solve industry spot wiring
The problems such as data acquisition high expensive.
Claims (6)
1. the infrared transceiver device for intelligent metering instrument data acquisition, it is characterised in that including RS485 telecommunication circuits and red
Outer transmission circuit, the RS485 telecommunication circuits include model SN65LBC184 RS485 communication chips U1 and are connected to this
RS485 communication chips U1 RS485 communication interfaces, the RS485 communication interfaces are used to communicate with host computer, the infrared receiving/transmission
Circuit includes infrared transmitting circuit and infrared receiving circuit, on the one hand the infrared transmitting circuit and the infrared receiving circuit divide
Do not communicate with intelligent metering instrument, be on the other hand connected respectively with the RS485 communication chips.
2. the infrared transceiver device according to claim 1 for intelligent metering instrument data acquisition, it is characterised in that institute
State and be serially connected with resettable fuse F1 between RS485 communication chip U1 and RS485 communication interfaces.
3. the infrared transceiver device according to claim 1 for intelligent metering instrument data acquisition, it is characterised in that institute
Stating infrared transmitting circuit includes triode, and the colelctor electrode of the transistor collector is connected with infrared transmitting tube U4, three pole
The base stage of pipe collector is connected with OR-NOT circuit, and a nor gate signal input part of the OR-NOT circuit is connected to described
A RS485 communication chips U1 control signal output pin.
4. the infrared transceiver device according to claim 3 for intelligent metering instrument data acquisition, it is characterised in that institute
State the infrared transmitting tube that infrared transmitting tube U4 is model TSAL6200.
5. the infrared transceiver device according to claim 1 for intelligent metering instrument data acquisition, it is characterised in that institute
State infrared receiving circuit include infrared receiver probe U3, the infrared receiver probe U3 be connected to through triode logic circuit it is described
RS485 communication chips U1.
6. the infrared transceiver device according to claim 5 for intelligent metering instrument data acquisition, it is characterised in that institute
State the infrared receiver probe that infrared receiver probe U3 is model HS0038.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766270.2U CN207115740U (en) | 2017-06-28 | 2017-06-28 | Infrared transceiver device for intelligent metering instrument data acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720766270.2U CN207115740U (en) | 2017-06-28 | 2017-06-28 | Infrared transceiver device for intelligent metering instrument data acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207115740U true CN207115740U (en) | 2018-03-16 |
Family
ID=61590374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720766270.2U Active CN207115740U (en) | 2017-06-28 | 2017-06-28 | Infrared transceiver device for intelligent metering instrument data acquisition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207115740U (en) |
-
2017
- 2017-06-28 CN CN201720766270.2U patent/CN207115740U/en active Active
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