CN215867563U - Plug-in embedded carrier WiFi meter reading module - Google Patents

Abstract

The utility model discloses a plug-in embedded carrier WiFi meter reading module which comprises a control unit, a 485 downlink communication interface, a power line carrier uplink communication interface, a WiFi uplink communication interface, a weak current interface, a strong current interface and a WiFi antenna interface, wherein the control unit, the 485 downlink communication interface, the power line carrier uplink communication interface and the WiFi uplink communication interface are integrated on the same integrated circuit board; the downlink communication interface is connected with the weak current interface, the power line carrier uplink communication interface is connected with the strong current interface, and the WiFi uplink communication interface is connected with the WiFi antenna interface; the control unit is connected to the intelligent ammeter through a 485 downlink communication interface and a weak current interface for meter reading or parameter setting, and is connected with a power line through a power line carrier uplink communication interface and a strong current interface for data uploading; and the intelligent mobile phone is connected with the WiFi uplink communication interface WiFi to set parameters of a meter reading module, test meter reading, read and record ammeter data and upload the data. The utility model has the advantages of quick connection, convenience and practicability.

Description

Plug-in embedded carrier WiFi meter reading module

Technical Field

The utility model relates to a meter reading module in the power industry, in particular to a plug-in embedded carrier WiFi meter reading module.

Background

At present, the electric meter used by a resident user is a standard single-phase intelligent electric meter following national standards, except for standard electric quantity metering, a slot interface with a replaceable communication module is reserved for facilitating application and deployment of a remote centralized meter reading system, and the electric meter is inserted into a carrier wave or microwave communication module according to a deployment communication mode of the remote centralized meter reading system to realize electric meter communication connection and meter reading of the whole distribution area. The power line carrier is convenient to deploy and install, and becomes the current remote centralized meter reading mode with the widest application range; however, power line carrier communication is easily interfered, and the stability problem can not be thoroughly solved all the time, so that the test and debugging after the electric meter is installed cannot remotely read the meter due to the problem of power line carrier communication, and the meter needs to be additionally read and debugged on site, which brings much inconvenience to work and affects the work efficiency.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects and provide a plug-in embedded carrier WiFi meter reading module which can be connected quickly, is convenient and practical, so that the field parameter setting and testing can be carried out immediately after the ammeter is installed and deployed, the time and labor are saved, and the working efficiency is improved.

In order to solve the technical problem, the pluggable embedded carrier WiFi meter reading module comprises a control unit, a 485 downlink communication interface, a power line carrier uplink communication interface, a WiFi uplink communication interface, a weak current interface, a strong current interface and a WiFi antenna interface, wherein the control unit, the 485 downlink communication interface, the power line carrier uplink communication interface and the WiFi uplink communication interface are all integrated on the same integrated circuit board; the downlink communication interface is connected with a weak current interface, the power line carrier uplink communication interface is connected with a strong current interface, and the WiFi uplink communication interface is connected with a WiFi antenna interface; the control unit is connected to an intelligent ammeter through the 485 downlink communication interface and a weak current interface for meter reading or parameter setting, and is connected with a power line through the power line carrier uplink communication interface and a strong current interface for data uploading; and the intelligent mobile phone is connected with the WiFi uplink communication interface WiFi to set parameters of a meter reading module, test meter reading, read and record ammeter data and upload the data.

Furthermore, the weak current interface of the utility model adopts two rows of six-pin integrated sockets, and the pins are as follows in sequence: a 12V power VCC pin, a power ground VSS pin, a received signal pin RXD, a module setting enable pin/SET, an output signal pin TXD, a reset pin/RST, a state pin STA, an event state output pin EVENTOUT and a reserved empty pin; the forceful electric power interface adopts two rows of four-pin integrated sockets, and the pins are as follows in sequence: a phase line carrier signal pin L, a reserved empty pin and a neutral line carrier signal pin N; the weak current interface and the strong current interface are arranged on the back of the plug-in embedded carrier WiFi meter reading module in a protruding mode with the same height.

Preferably, the WiFi antenna interface is an external screw and internal needle interface.

The utility model has the beneficial effects that: the utility model is installed in the communication module slot of the standard ammeter in a plugging mode, and the assembly and disassembly are extremely simple and convenient; when the device is used, field installation and deployment personnel only need to insert the weak current interface and the strong current interface on the back of the device into corresponding slots of a communication module of a standard ammeter, namely connection is successful, and the device is tested and configured on the field through a WiFi intelligent terminal such as a mobile phone, so that the problems of field safety errors and the like are solved; or in the future meter reading work, when the meter reading cannot be carried out due to the communication related problems, the meter reading device can be connected with an electric meter to carry out on-site meter reading, and the working efficiency is greatly improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a right side view of FIG. 2;

FIG. 4 is a schematic diagram of the overall structure of the functional module;

FIG. 5 is a pin diagram of the weak current interface;

FIG. 6 is a pin diagram of the high voltage interface.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that the advantages and features of the present invention can be more readily understood by those skilled in the art, and thus the scope of the present invention is more clearly and clearly defined.

Example (b): the pluggable embedded carrier WiFi meter reading module comprises a control unit 1, a 485 downlink communication interface 2, a power line carrier uplink communication interface 3, a WiFi uplink communication interface 4, a weak current interface 5, a strong current interface 6 and a WiFi antenna interface 7; the control unit, the 485 downlink communication interface, the power line carrier uplink communication interface and the WiFi uplink communication interface are integrated on the same integrated circuit board; the downlink communication interface 2 is connected with a weak current interface 5, the power line carrier uplink communication interface 3 is connected with a strong current interface 6, and the WiFi uplink communication interface 4 is connected with a WiFi antenna interface 7.

Referring to fig. 2, 3, 5 and 6, the weak current interface 5 adopts two rows of six-pin integrated sockets, and the pins are: 12V power VCC pins 8 and 9, power ground VSS pins 10 and 11, receive signal pins RXD12 and 13, module SET enable pin/SET 14, output signal pin TXD 15, reset pin/RST 16, status pin STA 17, event status output pin EVENTOUT 18, and reserved empty pin 19; forceful electric power interface 6 adopts two rows of four stitch integrated sockets, and the stitch is in proper order: phase line carrier signal pins L20, 21, reserved empty pins 22, 23, 24, 25, neutral line carrier signal pins N26, 27; the weak current interface 5 and the strong current interface 6 are arranged on the back of the meter reading module in a manner of protruding from the surface of the plug-in embedded carrier WiFi meter reading module shell at the same height.

The control unit 1 is connected to an intelligent ammeter for meter reading or parameter setting through the 485 downlink communication interface 2 and the weak electric interface 5, and is connected to a power line through the power line carrier uplink communication interface 3 and the strong electric interface 6 for data uploading; and the intelligent mobile phone is connected with the WiFi uplink communication interface WiFi to set parameters of a meter reading module, test meter reading, read and record ammeter data and upload the data.

The WiFi antenna interface 7 adopts a national standard SMA external screw internal pin interface, and a short rod antenna or a solid coaxial cable gain antenna of the national standard SMA interface can be selectively installed according to an ammeter box.

The data transmission of the plug-in embedded carrier WiFi meter reading module follows DL/T645 and 2007 multifunctional electric energy meter communication protocol, the WiFi communication interface and the carrier interface keep transparent data transmission, and secondary processing is not carried out on the data. The method comprises the steps that factors such as the size, the manufacturing cost, the insulating property and the use scene of a plug-in embedded carrier WiFi meter reading module are considered, a data storage function is not arranged in the plug-in embedded carrier WiFi meter reading module, meter reading data are not stored, all data stored in a standard electric meter are directly quoted, parameter setting of relevant remote centralized reading is also stored in the standard electric meter, and the plug-in embedded carrier WiFi meter reading module is only used as a data transmission medium of a bidirectional multichannel.

When the meter reading device is used, the weak current interface and the strong current interface of the plug-in embedded carrier WiFi meter reading module are inserted into the reserved slot interface of the standard electric meter, the electric meter is connected with the meter reading module, and meter reading or detection work can be carried out. The utility model only copies the data of the current ammeter, and is connected with the standard remote meter reading concentrator through the power line carrier channel, thereby realizing remote meter reading. The utility model does not need an external power line, supports hot plug replacement, is plug and play, and is convenient and quick.

Using scenario one: under the condition of power-on, field workers finish installing, use the smart mobile phone WiFi to be connected to the module of checking meter, it is right to check meter the APP software through the WiFi in the smart mobile phone carry out parameter configuration, including timing time of checking meter, long-range concentrator address of checking meter etc.. After the configuration is finished, the installation and deployment personnel can perform meter reading test on the meter reading module process. If the meter reading cannot be carried out or the meter reading omission is found, the installation and wiring conditions of the electric meter can be immediately checked, and the problems can be solved on site. The problem that the user can only find the problem after returning to an office for testing is avoided, the user can repeatedly arrive at the site, and the working efficiency is effectively improved.

Using scenario two: the remote meter reading concentrator is connected with all the plug-in embedded carrier WiFi meter reading modules through power line carrier wave timing (such as once per hour) to periodically read and record the connected data of the intelligent electric meters, and the data are uploaded to a meter reading center through the remote meter reading concentrator. The meter reading center needs to monitor the electricity consumption condition of a certain area, a meter reading calling command can be sent to a remote meter reading concentrator of the area, the meter reading concentrator forwards the meter reading command to a relevant meter reading module through a power line carrier, the meter reading module reads the meter after receiving the meter reading command, the result is fed back to the remote meter reading concentrator through a power line carrier channel, and the remote meter reading concentrator uploads the meter reading result to the meter reading center to finish single meter calling.

Using scenario three: the power supply enterprise meter reading center finds that the data of the electric meter of a certain region or a certain user cannot be read, and the data cannot be read even if the data is remotely and timely called. And when the checker arrives at the electric meter site, the WiFi channel of the corresponding meter reading module is connected by the WiFi of the smart phone, and meter reading test is carried out through WiFi meter reading APP software in the smart phone. If the meter can be read on site through the WiFi channel, it is judged that the fault occurs between the meter reading module and the remote meter reading concentrator or between the remote meter reading concentrator and the meter reading center, and the fault can be eliminated by checking the communication condition. If the meter reading can not be carried out on site through the smart phone, the fault can be judged to be between the meter reading module and the electric meter, and the fault can be eliminated through checking a 485 connecting line or checking the parameter configuration condition.

The above is only a part of the preferred embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural and equivalent flow changes made by using the contents of the above description and the accompanying drawings are included in the scope of the present invention.

Claims (3)

1. A plug-in embedded carrier WiFi meter reading module comprises a control unit (1), a 485 downlink communication interface (2), a power line carrier uplink communication interface (3), a WiFi uplink communication interface (4), a weak current interface (5), a strong current interface (6) and a WiFi antenna interface (7), and is characterized in that the control unit (1), the 485 downlink communication interface (2), the power line carrier uplink communication interface (3) and the WiFi uplink communication interface (4) are integrated on the same integrated circuit board; the downlink communication interface (2) is connected with a weak current interface (5), the power line carrier uplink communication interface (3) is connected with a strong current interface (6), and the WiFi uplink communication interface (4) is connected with a WiFi antenna interface (7); the control unit (1) is connected to an intelligent ammeter through the 485 downlink communication interface (2) and the weak current interface (5) for meter reading or parameter setting, and is connected to a power line through the power line carrier uplink communication interface (3) and the strong current interface (6) for data uploading; and the intelligent mobile phone is connected with the WiFi uplink communication interface (4) through WiFi to set parameters of the meter reading module, test meter reading, read and record ammeter data and upload the data.

2. The plug-in embedded carrier WiFi meter reading module according to claim 1, wherein the weak current interface (5) adopts two rows of six-pin integrated sockets, and the pins are: the circuit comprises 12V power VCC pins (8 and 9), power ground VSS pins (10 and 11), receiving signal pins RXD (12 and 13), a module setting enable pin/SET (14), an output signal pin TXD (15), a reset pin/RST (16), a state pin STA (17), an event state output pin EVENTOUT (18) and a reserved empty pin (19); heavy current interface (6) adopt two rows of four stitch integrated sockets, and the stitch is in proper order: phase carrier signal pins L (20, 21), reserved empty pins (22, 23, 24, 25), neutral carrier signal pins N (26, 27); the weak current interface (5) and the strong current interface (6) are arranged on the back of the plug-in embedded carrier WiFi meter reading module in a protruding mode with the same height.

3. The plug-in embedded carrier WiFi meter reading module of claim 1, wherein the WiFi antenna interface (7) is an external screw and internal needle interface.

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