CN217883697U - Non-contact intelligent electric meter infrared meter reading device - Google Patents
Non-contact intelligent electric meter infrared meter reading device Download PDFInfo
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- CN217883697U CN217883697U CN202221616872.7U CN202221616872U CN217883697U CN 217883697 U CN217883697 U CN 217883697U CN 202221616872 U CN202221616872 U CN 202221616872U CN 217883697 U CN217883697 U CN 217883697U
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Abstract
The utility model discloses a non-contact smart electric meter infrared device of checking meter, include: the infrared conversion module is used for converting the received light pulse into an electric signal, namely converting an infrared signal sent by the intelligent ammeter into an RS-485 serial communication mode, sending the electric signal to the demodulation circuit for demodulation, reducing the electric signal into a binary digital signal and converting the binary digital signal into an RS-485 serial communication mode to be accessed to the lower side of the terminal block; the communication gateway is accessed from the upper side of the terminal block, reads the electric meter data and converts the intelligent electric meter communication protocol DL/T645-1997 or DL/T645-2007 based on RS-485 serial communication into the Modbus-TCP protocol based on the Ethernet; the device has the characteristics of non-contact, miniaturization, high integration and the like, a large amount of wiring is not needed on the site, the meter reading of the intelligent electric meter can be realized at the farthest distance of 8 meters, a more flexible, more economic and safer automatic meter reading mode is provided for industrial enterprises, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of the power consumption measurement, concretely relates to infrared device of checking meter of non-contact smart electric meter.
Background
At present, a factory adopts an intelligent electric meter as electric metering, the intelligent electric meter can complete communication access through RS-485 twisted pair connection and infrared conversion, but the following problems exist in the prior access:
1. the intelligent electric meter is generally installed in a power distribution cabinet in a high-low voltage power distribution room in a factory, and a plurality of power distribution cabinets are arranged in one power distribution room, so that the wiring work is more complicated, and the danger is higher.
2. Some power distribution cabinets in factories are stipulated not to allow any hardware connection, so that related personnel can read the data of the intelligent electric meter one by one only by means of manual meter reading, information is delayed, and the statistical accounting of electric quantity is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-contact smart electric meter infrared device of checking meter to solve the problem that proposes among the above-mentioned background art.
In order to realize the purpose, the utility model adopts the following technical scheme: a non-contact infrared meter reading device for a smart electric meter comprises:
the infrared conversion module converts the received light pulse into an electric signal, namely converts an infrared signal sent by the intelligent ammeter into an RS-485 serial communication mode, sends the electric signal to the demodulation circuit for demodulation, restores the electric signal into a binary digital signal, and converts the binary digital signal into an RS-485 serial communication mode to be accessed to the lower side of the terminal block;
the communication gateway is accessed from the upper side of the terminal block, reads the electric meter data and converts the intelligent electric meter communication protocol DL/T645-1997 or DL/T645-2007 based on RS-485 serial communication into the Modbus-TCP protocol based on the Ethernet;
photoelectric switch, photoelectric switch fast network deployment and with data transfer to other software and hardware platforms.
Furthermore, the power module is connected with 220V voltage and outputs 24V voltage 1A current to supply power for the infrared conversion module, the terminal strip, the communication gateway and the photoelectric switch.
Furthermore, the signal of the intelligent electric meter is received by the infrared conversion module, and the output end of the infrared conversion module is connected with the input end of the terminal strip.
Furthermore, the input end of the communication gateway is connected with the output end of the terminal strip, and the output end of the communication gateway is connected with the photoelectric switch.
Compared with the prior art, the beneficial effects of the utility model reside in that:
according to the intelligent electric meter reading device, real-time data of the intelligent electric meter are read in an infrared non-contact mode and forwarded to the software platform, large-scale wiring is not needed, unmanned meter reading is achieved, accuracy and instantaneity of data are guaranteed, the intelligent electric meter reading device has the advantages of being non-contact, small in size, high in integration and the like, a large amount of wiring is not needed on the site, meter reading of the intelligent electric meter can be achieved at the farthest distance of 8 meters, a more flexible, more economical and safer automatic meter reading mode is provided for industrial enterprises, and working efficiency is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a circuit diagram of the demodulation circuit of the present invention.
In the figure: 1. a power supply module; 2. an infrared conversion module; 3. a terminal block; 4. a communication gateway; 5. a photoelectric switch; 100. provided is a smart electric meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the utility model provides a technical scheme: the utility model provides a non-contact smart electric meter infrared device of checking meter, includes: the intelligent ammeter reading device comprises a power module 1, an infrared conversion module 2, a terminal row 3, a communication gateway 4 and a photoelectric switch 5, wherein the power module 1 is connected with 220V voltage and outputs 24V voltage 1A current to supply power to the infrared conversion module 2, the terminal row 3, the communication gateway 4 and the photoelectric switch 5, signals of the intelligent ammeter 100 are received by the infrared conversion module 2, the output end of the infrared conversion module 2 is connected with the input end of the terminal row 3, the input end of the communication gateway 4 is connected with the output end of the terminal row 3, the output end of the communication gateway 4 is connected with the photoelectric switch 5, real-time data of the intelligent ammeter are read in an infrared non-contact mode and forwarded to a software platform, large-scale wiring is not needed, unmanned meter reading is achieved, and accuracy and real-time of the data are guaranteed;
the infrared conversion module 2 converts the received light pulse into an electric signal, namely converts an infrared signal sent by the intelligent electric meter 100 into an RS-485 serial communication mode, sends the electric signal to the demodulation circuit for demodulation, restores the electric signal into a binary digital signal, and converts the binary digital signal into an RS-485 serial communication mode to be connected to the lower side of the terminal block 3;
RS-485 and RS-232 are the same, are the serial communication standard, the present standard name is TIA485/EIA-485-A, but people will be used to the RS-485 standard, RS-485 is commonly used in the fields of industry, automation, automobile and building management, etc., the RS-485 bus makes up the short communication distance of RS-232, the disadvantage of low speed, the speed of RS-485 can be as high as 10Mbit/s, the theoretical communication distance can be as high as 1200 meters, RS-485 network: RS485/MODBUS is a popular network distribution mode, is simple and convenient to implement, and supports a plurality of RS485 instruments.
The communication gateway 4 is accessed from the upper side of the terminal block 3, reads the electric meter data and converts the communication protocol DL/T645-1997 or DL/T645-2007 of the intelligent electric meter 100 based on RS-485 serial communication into the Modbus-TCP protocol based on the Ethernet;
DL/T645-1997 is a standard protocol for unifying and standardizing physical connection and protocol when a rate device of the multifunctional electric energy meter exchanges data with data terminal equipment, which is issued in 1997 in China, and a physical layer of the protocol adopts an RS-485 standard serial electrical interface;
DL/T645-2007 is a revision of the standard convention for DL/T-645 1997 in 2007.
The photoelectric switch 5 and the photoelectric switch 5 are used for rapidly networking and transmitting data to other software and hardware platforms.
Other software and hardware platforms comprise an electric power monitoring system, a factory wide SCADA system, a production management system and an MIS system.
The scheme realizes remote automatic meter reading, greatly improves implementation safety, saves wiring cost, improves application flexibility by integrating parts, and simultaneously realizes the following functions.
Automatic meter reading: the device is arranged in a power distribution room, and after the device is installed and electrified, the data of the electric meter can be automatically read without the need of manual meter reading on site by workers. This device adopts non-contact to read smart electric meter's data, can reach 3 ~ 5 meters apart from smart electric meter, does not influence the maintenance and the maintenance of later stage to the ammeter.
Protocol conversion: the intelligent communication gateway converts the communication protocol DL/T645-1997 or DL/T645-2007 of the intelligent electric meter into a Modbus-TCP protocol based on the Ethernet, the Baud rate is converted from 1200bps (or 2400 bps) to 9600bps, and the communication efficiency is higher; more devices or systems can also be accessed via the Modbus-TCP protocol.
The dismouting is convenient: this device highly integrates each functional unit, and the dismouting of being convenient for can not cause any influence to smart electric meter itself.
Networking is quick: the built-in photoelectric switch that has of this device can directly link ethernet and optic fibre, realizes the networking fast.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a non-contact smart electric meter infrared device of checking meter which characterized in that includes:
the infrared conversion module (2) converts the received light pulse into an electric signal, namely converts an infrared signal sent by the intelligent ammeter (100) into an RS-485 serial communication mode, sends the electric signal to the demodulation circuit for demodulation, restores the electric signal into a binary digital signal, and converts the electric signal into an RS-485 serial communication mode to be accessed to the lower side of the terminal block (3);
the communication gateway (4) is accessed from the upper side of the terminal block (3), reads the electric meter data and converts the communication protocol DL/T645-1997 or DL/T645-2007 of the intelligent electric meter (100) based on RS-485 serial communication into a Modbus-TCP protocol based on the Ethernet;
and the photoelectric switch (5) is used for quickly networking and transmitting the data to the software and hardware platform.
2. The infrared meter reading device for the non-contact intelligent electric meter according to claim 1, characterized in that: the power module (1) is connected with 220V voltage and outputs 24V voltage and 1A current to supply power for the infrared conversion module (2), the terminal strip (3), the communication gateway (4) and the photoelectric switch (5).
3. The infrared meter reading device for the non-contact intelligent electric meter according to claim 1, characterized in that: the signal of smart electric meter (100) is received by infrared conversion module (2), and the output of infrared conversion module (2) is connected with the input of terminal row (3).
4. The infrared meter reading device for the non-contact intelligent electric meter according to claim 1, characterized in that: the input end of the communication gateway (4) is connected with the output end of the terminal strip (3), and the output end of the communication gateway (4) is connected with the photoelectric switch (5).
5. The infrared meter reading device for the non-contact intelligent electric meter according to claim 1, characterized in that: the software and hardware platform comprises an electric power monitoring system, a whole plant SCADA system, a production management system and a MIS system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616872.7U CN217883697U (en) | 2022-06-27 | 2022-06-27 | Non-contact intelligent electric meter infrared meter reading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221616872.7U CN217883697U (en) | 2022-06-27 | 2022-06-27 | Non-contact intelligent electric meter infrared meter reading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883697U true CN217883697U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221616872.7U Expired - Fee Related CN217883697U (en) | 2022-06-27 | 2022-06-27 | Non-contact intelligent electric meter infrared meter reading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883697U (en) |
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2022
- 2022-06-27 CN CN202221616872.7U patent/CN217883697U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221122 |