CN115833963A - A batch detection platform for electric energy meter communication module - Google Patents

Abstract

The invention provides a batch detection platform for communication modules of electric energy meters, which comprises: the upper computer is used for setting a detection mode and sending a detection command; the switch is connected with the upper computer; the carrier chip is connected with the switch; the filter receiving circuit is connected with the carrier chip; the filtering sending circuit is connected with the carrier chip and is used for amplifying and sending out a signal sent by the carrier chip; the coupling circuit is connected with the filtering sending circuit and is used for coupling the carrier signal to a wiring terminal of the electric energy meter and interacting with the electric energy meter; the reading circuit is connected with the filtering receiving circuit and used for reading corresponding reading data and sending the reading data to the filtering receiving circuit. The communication module of the electric energy meter is detected and recycled, and resource waste is reduced.

Description

A batch testing platform for electric energy meter communication modules

technical field

The invention relates to the field of recovery and detection devices for electric energy meter communication modules, in particular to a batch detection platform for electric energy meter communication modules.

Background technique

In the operation and maintenance work, the replacement and removal of the electric energy meter is a daily work of operation and maintenance, but it is estimated that 70% of the communication modules of the electric energy meters can be recycled and reused. , but because there is no convenient detection instrument to detect the communication module of the disassembled energy meter at present, the communication module set in the dismantled energy meter is all disposed of as scrap, resulting in a waste of resources.

Contents of the invention

The invention provides a batch detection platform for the communication modules of electric energy meters, which is used for detecting the communication modules of disassembled electric energy meters, so as to realize the recycling of the communication modules and reduce the waste of resources.

In order to achieve the above object, the technical scheme that the present invention takes is as follows:

A batch detection platform for electric energy meter communication modules, comprising:

A host computer, which is used to set the detection mode and send detection commands;

A switch, which is connected with the host computer, is used to complete the forwarding communication of the detection command;

A carrier chip, which is connected to the switch and is used to complete D/A processing or A/D processing of signals;

A filter receiving circuit, which is connected to the carrier chip, and is used to filter out interfering signals of different frequencies for the received signal, retain the same frequency signal, and transmit the signal to the carrier chip;

A filter sending circuit, which is connected to the carrier chip, and is used to amplify and send out the signal sent by the carrier chip;

A coupling circuit, which is connected with the filter sending circuit, is used to couple the carrier signal to the connection terminal of the electric energy meter, and interacts with the electric energy meter; it is connected with the filter receiving circuit, and is used to read the corresponding reading data and sent to the filter receiver circuit.

Further, the carrier chip includes TC9202 and TCS091 chips.

Further, the interface between the TC9202 and the TCS091 chip adopts a serial UART port.

Further, the interface of the switch adopts RS-232, RS-485 standard serial communication interface.

The invention provides a batch detection platform for electric energy meter communication modules, including: a host computer, which is used to set the detection mode and send detection commands; a switch, which is connected to the host computer, and is used to complete the forwarding communication of the detection commands; a carrier A chip, which is connected to the switch, is used to complete the D/A processing or A/D processing of the signal; a filter receiving circuit, which is connected to the carrier chip, and is used to filter out inter-frequency interference on the received signal signal, keep the same frequency signal, and transmit the signal to the carrier chip; a filter sending circuit, which is connected to the carrier chip, and is used to amplify and send out the signal sent by the carrier chip; a coupling circuit, It is connected with the filter sending circuit for coupling the carrier signal to the terminal of the electric energy meter to interact with the electric energy meter; it is connected with the filter receiving circuit for reading the corresponding reading data and sending it to the filter receiver circuit. The detection and recycling of the communication module of the electric energy meter are realized, and the waste of resources is reduced.

Description of drawings

Fig. 1 is a structural schematic diagram of a batch detection platform of an electric energy meter communication module;

Fig. 2 is a schematic diagram of the interface circuit.

Detailed ways

Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.

Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

Embodiment one

As shown in Figure 1, it is a schematic structural diagram of a batch detection platform for electric energy meter communication modules, including:

A host computer, which is used to set the detection mode and send detection commands;

A switch, which is connected with the host computer, is used to complete the forwarding communication of the detection command;

A carrier chip, which is connected to the switch and is used to complete D/A processing or A/D processing of signals;

A filter receiving circuit, which is connected to the carrier chip, and is used to filter out interfering signals of different frequencies for the received signal, retain the same frequency signal, and transmit the signal to the carrier chip;

A filter sending circuit, which is connected to the carrier chip, and is used to amplify and send out the signal sent by the carrier chip;

A coupling circuit, which is connected with the filter sending circuit, is used to couple the carrier signal to the connection terminal of the electric energy meter, and interacts with the electric energy meter; it is connected with the filter receiving circuit, and is used to read the corresponding reading data and sent to the filter receiver circuit.

In a specific implementation, the carrier chip includes TC9202 and TCS091 chips.

In specific implementation, the interface of the TC9202 and TCS091 chip adopts a serial UART port.

In specific implementation, the interface of the switch adopts RS-232, RS-485 standard serial port communication interface.

In the specific implementation, the switch is connected to the carrier chip through an interface circuit, and the interface circuit adopts the RS232 serial port circuit, and realizes the communication between the serial UART port and the RS-232, RS-232, RS- Level conversion between 485 standard serial ports.

In a specific implementation, the platform includes a treasury body, a base, and a module detection base, the host computer and the switch are placed on the platform, and the platform is installed on the base. The interface circuit, carrier chip, filter receiving circuit, filter sending circuit and coupling circuit are installed in the module detection base to form a closed working environment to ensure detection performance and life. The coupling circuit is connected with the communication module of the electric energy meter through the connector of the module detection base. The module detection base is provided with corresponding single-phase and three-phase indicators, and the communication module of the electric energy meter is placed on the module detection bottom by plugging and unplugging for detection, so as to speed up the disassembly and assembly speed of detection.

The signal sending and receiving functions are realized by the signal processing of the carrier chip TC9202 TCS091.+TCS091. The carrier chip TC9202 TCS091.+TCS091 interface is a serial UART port, and the switch interface is a RS-232, RS-485 standard serial communication interface, so the RS-232 interface circuit is needed in the middle, and the level conversion is realized through the SP3232EEN-L/TR chip , the interface circuit diagram shown in Figure 2.

The specific working principle is: when the upper computer sends a communication function detection command, the switch completes the forwarding communication of the command through the RJ45 interface, completes the level conversion through the RS-232 interface circuit to the carrier chip port as a TTL level signal, and the carrier chip completes the D/ A signal processing, through the sending circuit, the sending PA amplifier chip is used for signal amplification, the carrier coupling circuit is coupled to the terminal of the electric energy meter, interacts with the electric energy meter, reads the corresponding reading data, and the reading result is filtered by the receiving filter circuit Different frequency interference signal, keep the same frequency signal, and transmit the signal to the carrier chip TC9202 TCS091.+TCS091, the carrier chip realizes A/D signal processing, still realizes level conversion through the 232 interface circuit, and finally feeds back to the host computer software system through the switch , to achieve the test function.

Instructions:

Turn on the machine, carefully check the meter or module to be tested, and after it is connected correctly, it can be turned on, and the device enters the detection state.

Power on: Open the corresponding table space switch.

For functional operation, open the host computer interface, and configure the detection scheme according to the interface prompts.

Module sorting operation

Step 1: Select the type of communication module Module: The module chip scheme is selected according to the actual situation.

Step 2: Check the module bits: Check single or multiple module bits.

Step 3: Click to start: test result output, module distribution.

end of operation

(1) After the test is completed, the device manually closes the air switch: first turn off the dial switch, and then turn off the main switch.

(2) Disconnect the power supply of the equipment.

Build a communication environment for the communication module through the batch detection platform of the communication module of the electric energy meter, and realize functions such as network meter reading of the carrier module through the control of the upper computer, one-key detection, and improve detection efficiency.

The invention provides a batch detection platform for electric energy meter communication modules, including: a host computer, which is used to set the detection mode and send detection commands; a switch, which is connected to the host computer, and is used to complete the forwarding communication of the detection commands; a carrier A chip, which is connected to the switch, is used to complete the D/A processing or A/D processing of the signal; a filter receiving circuit, which is connected to the carrier chip, and is used to filter out inter-frequency interference on the received signal signal, keep the same frequency signal, and transmit the signal to the carrier chip; a filter sending circuit, which is connected to the carrier chip, and is used to amplify and send out the signal sent by the carrier chip; a coupling circuit, It is connected with the filter sending circuit for coupling the carrier signal to the terminal of the electric energy meter to interact with the electric energy meter; it is connected with the filter receiving circuit for reading the corresponding reading data and sending it to the filter receiver circuit. The communication function detection and recycling of the communication module of the electric energy meter are realized, and the waste of resources is reduced.

In describing the present invention, it is to be understood that the terms "middle", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", The orientation or positional relationship indicated by "outer", "radial" and "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise specified and limited, a first feature "on" a second feature may be in direct contact with the first feature, or indirect contact with the first feature through an intermediary. "Plurality" means at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

The above is only to illustrate the implementation of the present invention, and is not intended to limit the present invention. For those skilled in the art, within the spirit and principle of the present invention, any modification, equivalent replacement, and improvement without creative work etc., should be included within the protection scope of the present invention.

Claims (4)

1. A batch detection platform of electric energy meter communication module, is characterized in that, comprises: A host computer, which is used to set the detection mode and send detection commands; A switch, which is connected with the host computer, is used to complete the forwarding communication of the detection command; A carrier chip, which is connected to the switch and is used to complete D/A processing or A/D processing of signals; A filter receiving circuit, which is connected to the carrier chip, and is used to filter out interfering signals of different frequencies for the received signal, retain the same frequency signal, and transmit the signal to the carrier chip; A filter sending circuit, which is connected to the carrier chip, and is used to amplify and send out the signal sent by the carrier chip; A coupling circuit, which is connected with the filter sending circuit, is used to couple the carrier signal to the connection terminal of the electric energy meter, and interacts with the electric energy meter; it is connected with the filter receiving circuit, and is used to read the corresponding reading data and sent to the filter receiver circuit. 2. The electric energy meter communication module batch detection platform according to claim 1, wherein the carrier chip includes TC9202 and TCS091 chips. 3. The electric energy meter communication module batch detection platform according to claim 2, characterized in that, the interfaces of the TC9202 and TCS091 chips adopt serial UART ports. 4. The batch detection platform of the electric energy meter communication module according to claim 3, characterized in that, the interface of the switch adopts RS-232, RS-485 standard serial port communication interface.

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