CN115396338A - Load management terminal testing device and testing method - Google Patents
Load management terminal testing device and testing method Download PDFInfo
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- CN115396338A CN115396338A CN202210997062.9A CN202210997062A CN115396338A CN 115396338 A CN115396338 A CN 115396338A CN 202210997062 A CN202210997062 A CN 202210997062A CN 115396338 A CN115396338 A CN 115396338A
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 238000004891 communication Methods 0.000 claims abstract description 52
- 230000011664 signaling Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000002788 crimping Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000009532 heart rate measurement Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000013522 software testing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/10—Power supply of remote control devices
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C2201/00—Transmission systems of control signals via wireless link
- G08C2201/90—Additional features
- G08C2201/92—Universal remote control
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a load management terminal testing device and a testing method. The testing device consists of eight parts, namely a crimping unit, a power supply control unit, an Ethernet communication unit, a relay control unit, an auxiliary terminal communication unit, a current analog output unit, a pulse metering unit and a virtual meter communication unit. The device only needs to press the load management terminal onto the pressing connection unit before testing, does not need to manually finish the connection of strong current terminal voltage, current, weak current terminal remote control, remote signaling, pulse and RS485, and avoids the possibility of personal electric shock by controlling the power supply of the switch control device, thereby saving time, being safe and easy to operate. The testing method is characterized in that the upper computer software of the PC terminal sends a testing instruction, the instruction is sent to the terminal through the testing device, the terminal returns an instruction execution result, the upper computer software automatically judges whether the result is correct or incorrect, the manual instruction issuing and manual checking processes are omitted, and the testing efficiency is improved.
Description
Technical Field
The invention relates to the field of automatic testing of low-voltage electric terminals, in particular to a load management terminal testing device and a load management terminal testing method.
Background
The load management terminal is a terminal device which is installed on a special transformer user site and realizes the functions of remote meter reading, electric energy metering, equipment working conditions, customer power load, electric energy monitoring and the like of a special transformer user. The load management terminal is of a wall-mounted structure, the current laboratory carries out detection on the load management terminal in a table-mounted mode, and terminal wiring operations such as voltage, RS485, pulse, remote signaling and remote control are carried out before detection.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art, provides a load management terminal testing device and a load management terminal testing method, and aims to solve the problems of more manual wiring, long consumed time and complex operation in the prior art, is safe and easy to operate, and improves the testing efficiency.
The embodiment of the invention provides a load management terminal testing device and a testing method, wherein the design method comprises the following steps:
the utility model provides a load management terminal test device, its characterized in that, test device comprises crimping unit, power supply control unit, ethernet communication unit, relay control unit, auxiliary terminal communication unit, current analog output unit, pulse measurement unit, virtual table communication unit eight parts, specifically as follows:
the crimping unit provides a voltage and current binding post of the load management terminal and a wiring bar of an auxiliary terminal of the load management terminal, and is used for electrifying the terminal and connecting the auxiliary terminal;
the power supply control unit provides power-off control for the load management terminal;
the Ethernet communication unit provides communication control of the testing device and PC end upper computer software and communication of the testing device and the load management terminal;
the relay control unit provides open-circuit and short-circuit control for the meter tail of the load management terminal;
the auxiliary terminal communication unit connects the terminal remote control terminal with the remote signaling terminal and is used for testing the terminal control function and remote signaling deflection;
the current analog output unit provides three-phase current output;
the pulse metering unit provides a metering function for the output pulse of the load management terminal;
the virtual meter communication unit provides a meter reading reply message and tests the meter reading function of the terminal.
A test method of a load management terminal test device is characterized by comprising the following steps:
the load management terminal comprises various uplink communication interfaces of RS232, RS485-3, infrared, ethernet and 4G channels;
the load management terminal comprises RS485-1 and RS485-2 downlink meter reading communication interfaces;
the load management terminal comprises a turn 1, a turn 2, a turn 3, a turn 4 and 5 paths of remote control ports in total for alarming;
the load management terminal comprises a remote signaling 1, a remote signaling 2, a remote signaling 3, a remote signaling 4 and a door contact which share 5 remote signaling interfaces;
the load management terminal comprises a positive, a negative, a second and a public pulse output terminal;
the testing device is connected with the load management terminal through the Ethernet to verify the Ethernet communication function of the load management terminal;
the testing device and the PC end upper computer establish communication connection through the Ethernet, and a network cable is needed to connect the PC and the testing device before detection;
the relay control unit controls the tail of the load management terminal to open and short circuit connection, the alternate mining identification open and short circuit state of the load management terminal changes, the electric meter state word is displaced, and PC end upper computer software tests the open and short circuit identification functions through transparent transmission, reading and copying the alternate mining electric meter state word;
the current analog output unit is used for outputting small current, and the PC end upper computer controls the metering accuracy and alarm monitoring of the current output test terminal;
the pulse metering unit converts the positive, negative and second pulses output by the load management terminal into power values, and the power values are compared with the alternate acquisition power values of the load management terminal to verify the correctness of pulse output;
the load management terminal provides RS485-1 and RS485-2 as downlink meter reading communication ports, and the virtual meter communication unit can reply a meter reading message sent by the load management terminal through the RS485 and is used for simulating on-site actual meter reading reply;
the PC side upper computer software judges the correctness of the terminal data copying and storing by reading the data stored in the load management terminal;
when the result message returned by the load management terminal is different from the expected result message of the upper computer software, the upper computer software can prompt that the test fails;
and when the result message returned by the load management terminal is the same as the expected result message of the upper computer software, the upper computer software can prompt that the test is successful.
Compared with the prior art, the invention mainly has the following beneficial effects:
according to the load management terminal testing device and the testing method, the load management terminal is only required to be pressed on the pressing connection unit before testing, and the connection of voltage, current, remote control, remote signaling, pulse and 485 port is not required to be finished manually, so that time and labor are saved; the power supply of the equipment is controlled only by the switch, so that the device is safe and easy to operate; the virtual meter communication unit can reply the meter reading message sent by the load management terminal through RS485, is used for simulating on-site actual meter reading reply, does not need to be connected through an actual electric meter, reduces occupation of manpower, material resources and resources, and is more comprehensive in test. The function test result can be displayed through the software interface of the upper computer, and is convenient and visual. The automatic acquisition and detection of test results remove the process of manual instruction issuing and manual inspection, have improved efficiency of software testing.
Drawings
Fig. 1 is a structural diagram of a load management terminal testing apparatus according to an embodiment of the present invention;
fig. 2 is a front view of a load management terminal testing device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the invention without inventive step, such as for example embodiments relating to the basic concept only with a changed use and without changing the claims, belong to the protective scope of the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Fig. 1 shows a structure of a load management terminal test apparatus.
The device comprises eight parts of a crimping unit, a power supply control unit, an Ethernet communication unit, a relay control unit, an auxiliary terminal communication unit, a current analog output unit, a pulse metering unit and a virtual meter communication unit, and specifically comprises the following steps:
the crimping unit provides a voltage wiring terminal and a current wiring terminal of the load management terminal and a wiring bar of an auxiliary terminal of the load management terminal, is used for connection physical connection of power-on of the terminal and remote control, remote signaling, pulse and RS485 of the auxiliary terminal, has a telescopic auxiliary terminal wiring terminal, and is also suitable for other types of terminals;
the power supply control unit provides power-off control for the load management terminal and controls the power-on and power-off of the tail of the load management terminal through the control switch;
the Ethernet communication unit provides communication control of the testing device and PC end upper computer software and communication of the testing device and the load management terminal, the upper computer software sends communication messages to the testing device through Ethernet, the Ethernet communication unit respectively forwards the received messages sent by the PC end upper computer software to RS232, RS485-3 or infrared three uplink communication ports of the load management terminal, and then forwards the messages returned by the ports back to the upper computer software;
the relay control unit provides open-circuit and short-circuit control of the tail of the load management terminal by controlling the opening and closing of the relay, the terminal identifies an open-circuit and short-circuit signal and feeds the state back to the upper computer software, and the upper computer software can judge the state identification correctness;
the auxiliary terminal communication unit connects the terminal remote control terminal with the remote signaling terminal, when the output state of the remote control terminal changes, the remote signaling terminal shifts, and PC end upper computer software detects whether the terminal shifts normally or not by detecting the remote signaling shift state;
the current analog output unit provides three-phase current output, and can test the current metering accuracy and alarm detection of the load management terminal;
the pulse metering unit provides metering functions for the output pulses of the load management terminal, including positive presence, negative presence and second pulses;
the virtual meter communication unit is used for simulating a reply message of the actual electric meter, and when the load management terminal sends out a meter reading message through the RS485, the virtual meter communication unit receives the message and replies.
The testing method of the device has the following specific working procedures:
fig. 2 shows a front view of a load management terminal testing device, which comprises an insulating table 1, a terminal epitope 2, a device power-on control button 3, a crimping unit 4, a testing device 232 communication port 5, a testing device infrared communication port 6, a testing device and terminal ethernet communication port 7 and a testing device and PC ethernet communication port 8.
Placing the load management terminal at an epitope position and pressing a crimping unit tightly, confirming that the terminal of the crimping unit is normally connected with the terminal auxiliary terminal physically, and at the moment, carrying out contraposition connection on a terminal turn 1, a turn 2, a turn 3 and a turn 4 with a remote signal 1, a remote signal 2, a remote signal 3 and a remote signal 4 respectively;
connecting a terminal RS232 and an infrared port with a testing device 232 communication port and an infrared communication port through connecting lines, and connecting a terminal Ethernet port with a testing device Ethernet communication port through an Ethernet line;
connecting the testing device with a PC end upper computer through an Ethernet;
turning on a device power-on control button to supply power to the testing device;
the PC end upper computer software sends a power-on command, the power-on of the bit is controlled through the power supply control unit, and the terminal is powered on and started at the moment;
sending control parameters and electric energy meter files to a terminal through upper computer software;
an ammeter reading command is issued to the terminal through upper computer software, the Ethernet communication unit can sequentially forward messages to the load management terminal RS232, RS485-3 and the infrared port, the terminal sends out a meter reading message at the 485 port after receiving the messages, the virtual meter communication unit replies the meter reading message, the terminal returns meter reading reply data to the upper computer software, and the software judges whether the functions of the RS232, the RS485-3 and the infrared port are qualified or not respectively by judging whether the messages are consistent with the data to be replied or not;
data points are copied through a terminal screen key, screen display return data are checked, and correctness of a copying function is verified;
sending a terminal power control starting command through upper computer software, enabling the terminal to enter a control state according to power data returned by reading a virtual table, enabling the data returned by the virtual table to be kept unchanged, enabling the terminal to trip in turn 1 at first, enabling a remote signaling 1 to generate deflection at the moment, and enabling the upper computer software to judge whether a control function is qualified or not by reading the remote signaling state of the terminal;
the on-off of the relay control unit in the test state and the output current of the current simulation output unit are controlled by the upper computer software, the states such as open circuit, short circuit and the like are caused at the tail of the terminal meter, the terminal can identify the states and generate alarm events, and the upper computer software reads the state bit acquired by the terminal and the alarm content to judge whether the alarm function is qualified or not;
the upper computer software controls the current analog output unit of the testing device to output current, the pulse metering unit meters the terminal to output a pulse power value, and the upper computer verifies whether the pulse output function is correct or not by reading the power value of the pulse metering unit and comparing the power value with the terminal power;
according to the load management terminal testing device and the testing method, the load management terminal is only required to be pressed on the pressing connection unit before testing, and the connection of voltage, current, remote control, remote signaling, pulse and 485 port is not required to be finished manually, so that time and labor are saved; the power supply of the equipment is controlled only by the switch, so that the device is safe and easy to operate; the virtual meter communication unit can reply the meter reading message sent by the load management terminal through RS485, is used for simulating on-site actual meter reading reply, does not need to be connected through an actual electric meter, reduces the occupation of manpower, material resources and resources, and is more comprehensive in test. The function test result can be displayed through an upper computer software interface, and the function test method is convenient and visual. The automatic acquisition and detection of test results remove the process of manual instruction issuing and manual inspection, have improved efficiency of software testing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A load management terminal testing device and a testing method are characterized by comprising eight parts, namely a crimping unit, a power supply control unit, an Ethernet communication unit, a relay control unit, an auxiliary terminal communication unit, a current simulation output unit, a pulse metering unit and a virtual meter communication unit, and the testing method comprises the following steps:
s1, placing a terminal at a corresponding position of a testing device, and enabling a crimping unit to be in charge of physical connection of a meter tail and other auxiliary terminals;
s2, the testing device is connected with a PC end upper computer through an Ethernet communication unit;
s3, the upper computer software sends a power-on command, the power-on of the bit is controlled through the power supply control unit, and the terminal is powered on and started;
s4, the auxiliary terminal communication unit is connected with a load management terminal remote signaling and turns to judge a terminal control function;
s5, the upper computer software controls the relay control unit to be opened and closed, and the functions of identifying the open and short circuit states of the terminal are verified;
s6, the current analog output unit outputs current, the pulse metering unit meters the output pulse power value of the terminal, and the output accuracy of the terminal pulse is verified;
s7, upper computer software issues an ammeter reading command to the terminal through the Ethernet communication unit, the virtual meter communication unit replies a meter reading message, and the terminal data reading function is verified.
2. The load management terminal testing apparatus and method of claim 1, wherein the crimping unit provides voltage and current terminals of the load management terminal and a terminal block of the auxiliary terminal of the load management terminal for power-on and auxiliary terminal connection of the terminal.
3. The apparatus and method of claim 1, wherein the power control unit provides power-off control for the load management terminal.
4. The device and the method for testing the load management terminal according to claim 1, wherein the ethernet communication unit provides the testing device with a communication connection with the PC-side upper computer to verify the ethernet communication function of the load management terminal.
5. The device and the method for testing the load management terminal as claimed in claim 1, wherein the relay control unit is used for controlling the tail open and short circuit connection of the load management terminal and verifying the open and short circuit identification function of the load management terminal.
6. The device and the method as claimed in claim 1, wherein the auxiliary terminal communication unit is used to connect the remote signaling and remote control terminal of the load management terminal to verify the control function of the load management terminal.
7. The load management terminal testing device and method according to claim 1, wherein the current analog output unit is used for outputting a small current, and the PC-side upper computer tests the metering accuracy and alarm monitoring of the load management terminal by controlling the output of the current.
8. The device and method for testing the load management terminal according to claim 1, wherein the pulse measurement unit is used for converting the pulse of the load management terminal into the power value, and verifying the correctness of the pulse output of the load management terminal.
9. The load management terminal testing device and method of claim 1, wherein the virtual meter communication unit is configured to simulate an actual meter reading reply in response to a meter reading message sent by the load management terminal, and verify correctness of data reading and storage of the load management terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210997062.9A CN115396338B (en) | 2022-08-18 | 2022-08-18 | Load management terminal testing device and testing method |
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| CN202210997062.9A CN115396338B (en) | 2022-08-18 | 2022-08-18 | Load management terminal testing device and testing method |
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| CN115396338B CN115396338B (en) | 2024-04-05 |
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| CN115396338B (en) | 2024-04-05 |
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