CN217404423U

CN217404423U - Intelligent device tester

Info

Publication number: CN217404423U
Application number: CN202220515674.5U
Authority: CN
Inventors: 扈航
Original assignee: Baoding Beixi Electric Power Technology Co ltd
Current assignee: Baoding Beixi Electric Power Technology Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-09-09
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses an intelligent device tester, which comprises a shell, wherein a display screen for displaying monitoring information and a setting button for setting parameter information are arranged on a front end panel of the shell, a wiring board is arranged in the shell, and wiring terminals, the inner part of which is connected with the wiring board and the outer part of which is connected with tested equipment, are respectively arranged on the left end surface and the right end surface of the shell; the control mechanism for detection is arranged on the wiring board, the output end of the button is connected with the input end of the control mechanism, the output end of the control mechanism is connected with the input end of the display screen, and the control mechanism is electrically connected with the wiring board. The utility model discloses when testing to merging the unit, be connected tester and the merging unit of being tested, carry out real-time on-line monitoring to merging the unit, in time discover fault information and remind to carry out comprehensive effectual test to merging the unit.

Description

Intelligent device tester

Technical Field

The utility model relates to a power equipment detection device technical field, especially an intelligent device tester.

Background

The merging unit (MergingUnit) provides a group of time synchronization (correlation) current and voltage sampling values for intelligent electronic equipment, and the main function of the merging unit is to collect (or merge) output signals of a plurality of transformers to obtain instantaneous values of current and voltage of a power system, transmit the instantaneous values of the current and the voltage of the power system to electric measurement and relay protection equipment of the power system according to determined data quality, and carry the important functions of data acquisition, merging and conversion at the front end of secondary equipment of the power system, so that effective testing on the function and performance of the merging unit (MergingUnit) becomes an important link of testing work of an intelligent station.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides an intelligent device tester, monitors merging unit, guarantees merging unit's reliable and stable operation.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The intelligent device tester comprises a shell, wherein a display screen for displaying monitoring information and a setting key for setting parameter information are arranged on a front end panel of the shell, a wiring board for mounting electronic components is arranged in the shell, and wiring terminals, the inner parts of which are connected with the wiring board and the outer parts of which are connected with tested equipment, are respectively arranged on the left end surface and the right end surface of the shell; the wiring board is provided with a control mechanism for detection, the output end of the arranged key is connected with the input end of the control mechanism, the output end of the control mechanism is connected with the input end of the display screen, and the control mechanism is electrically connected with the wiring board; the control mechanism comprises a signal acquisition module for acquiring voltage and current information of the tested equipment, an A/D conversion module for converting acquired signals, a controller for processing the acquired signals, a power supply module for providing power supply, an electric leakage detection module for detecting whether electric leakage exists in the acquired signals and an early warning module for sending fault early warning, wherein the input end of the signal acquisition module is connected with a wiring terminal, the output end of the signal acquisition module is connected with the input end of the A/D conversion module, the output end of the A/D conversion module is connected with the input end of the controller, the output end of the controller is respectively connected with a display screen (2), the electric leakage detection module and the input end of the early warning module, and the output end of the power supply module is connected with the power supply input end of the controller.

The intelligent device tester is characterized in that the control mechanism further comprises a wireless communication module for carrying out signal transmission with the remote control center, the wireless communication module is connected with the signal transmission end of the controller, and the wireless communication module is in wireless communication with the remote control center.

In the intelligent device tester, a power supply terminal for turning on and off the device, a GPS time synchronization interface, a switching value input terminal, a switching value output terminal, an optical B code input terminal, and an optical B code output terminal are arranged on the right end face of the housing; a phase current output terminal, a phase voltage output terminal and a direct current voltage output terminal are arranged on the left end face of the shell; the front panel of the shell is also provided with a power indicator lamp for indicating a power supply and an abnormal indicator lamp for indicating abnormal monitoring; the power indicator light is connected on a power inlet wire end in series, the input end of the abnormal indicator light is connected with the output end of the controller respectively, the GPS time synchronization interface, the switching value input terminal, the switching value output terminal, the optical B code input terminal, the optical B code output terminal, the phase current output terminal, the phase voltage output terminal and the direct current voltage output terminal are connected with the GPS time synchronization module, the switching value input module, the switching value output module, the optical B code input module, the optical B code output module, the phase current output module, the phase voltage output module and the direct current voltage output module on the wiring board respectively.

In the intelligent device tester, the right end face of the shell is also provided with an expansion interface for expansion.

Above-mentioned intelligent device tester, expansion interface is including setting up ethernet port, RS232 interface and the RS485 interface on the casing right side terminal surface.

According to the intelligent device tester, the handle convenient to hold is arranged on the top end face of the shell. Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses when examining merging the unit, be connected device and equipment under test through the cable, carry out real-time on-line monitoring to equipment under test's operating condition, in time discover abnormal information and remind, accomplish the effective detection to equipment under test.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a left end face of the housing according to the present invention;

fig. 3 is a schematic diagram of a right side end face structure of the housing of the present invention;

fig. 4 is a block diagram of the control mechanism according to the present invention;

fig. 5 is a circuit diagram of a power module according to the present invention;

fig. 6 is a circuit diagram of an a/D conversion module according to the present invention;

fig. 7 is a circuit diagram of the controller according to the present invention;

fig. 8 is a circuit diagram of the early warning module according to the present invention;

wherein: 1. the GPS time synchronization device comprises a shell, a display screen 2, a setting key 3, a switch key 4, a power indicator 5, an abnormal indicator 6, a handle 7, a power terminal 8, a wiring terminal 9, an expansion interface 10 and a GPS time synchronization interface 11.

Detailed Description

The present invention will be described in further detail with reference to the drawings and specific embodiments.

The intelligent device tester is structurally shown in figures 1-3 and comprises a shell 1, wherein a panel is arranged at the front end of the shell 1, a wiring terminal and an external interface are respectively arranged on the end faces of the left side and the right side of the shell 1 and used for being connected with tested equipment, a wiring board is arranged inside the shell 1, a control mechanism is welded on the wiring board, and the wiring board is respectively and electrically connected with the wiring terminal and the control mechanism.

The front panel is provided with a display screen 2, setting keys 3, a power indicator lamp 5 and an abnormality indicator lamp 6, as shown in fig. 1. Display screen 2 is used for showing the result of monitoring, sets up the parameter information that button 3 is used for monitoring devices, and power indicator 5 is used for instructing power state, and abnormal indicator 6 is used for instructing monitoring abnormal state, and power indicator series connection sets up the output connection control mechanism's of button input on the power inlet wire, and the input of display screen and abnormal indicator is connected respectively to control mechanism's output.

A phase current output terminal, a phase voltage output terminal, and a dc voltage output terminal are provided on the left end surface of the case, as shown in fig. 2. The phase current output terminal is used for outputting phase current of 6 multiplied by 12.5A to the tested equipment, the phase voltage output terminal is used for outputting phase voltage of 6 multiplied by 120V to the tested equipment, and the direct current voltage output terminal is used for outputting phase auxiliary direct current voltage of 1 multiplied by 300V to the tested equipment.

The right end face of the housing is provided with a power supply terminal 8 for turning on and off the device, a GPS time setting interface, a switching value input terminal, a switching value output terminal, an optical B code input terminal, an optical B code output terminal, an expansion interface 10, and the like, as shown in fig. 3. The power supply terminal 8 is used for accessing a power supply, the power supply terminal 8 is provided with a switch key 4 for turning on and off the monitoring device, and the GPS time synchronization interface is used for realizing the time synchronization function; the switching value input terminal is used for accessing a switching value signal end of the tested equipment and acquiring a switching value signal when the tested equipment runs; the switching value output terminal is used for outputting a switching value control signal to the tested equipment; the optical B code input terminal is used for acquiring an optical B code signal when the tested equipment runs; the optical B code output terminal is used for outputting an optical B code control signal to the tested equipment; the expansion interface 10 is used for expanding the monitoring device, and the expansion interface comprises an Ethernet port, an RS232 interface and an RS485 interface, and different expansion interfaces can be selected according to actual requirements for expansion.

A handle 7 is arranged above the shell 1, so that the mobile monitoring device can be conveniently lifted.

The control mechanisms are all welded on the wiring board, and the structural block diagram of the control mechanism is shown in fig. 4, and the control mechanism comprises a signal acquisition module, an A/D conversion module, a controller, a power supply module, an electric leakage detection module, an early warning module, a wireless communication module, a GPS time synchronization module, a switching value input module, a switching value output module, an optical B code input module, an optical B code output module, a direct current voltage output module, a phase current output module, a phase voltage output module and an expansion module.

The input end of the power supply module is connected with a power supply wiring terminal on the end face on the right side of the shell and used for directly or indirectly providing working power supply for each module in the control mechanism.

The input ends of the direct current voltage output module, the phase current output module and the phase voltage output module are respectively connected with the power supply module, and the output ends of the direct current voltage output module, the phase current output module and the phase voltage output module are respectively connected with corresponding wiring terminals arranged on the left end face and used for providing detection voltage and current for the tested equipment.

The input ends of the switching value output module and the light B code output module are respectively connected with the output end of the controller, and the output ends of the switching value output module and the light B code output module are respectively connected with the wiring terminal on the right side end face; the switching value output module outputs a switching value control signal to the tested equipment through the switching value output terminal, and the optical B code output module outputs an optical B code control signal to the tested equipment through the optical B code output terminal.

The signal acquisition module is used for acquiring voltage and current information of the equipment to be tested, the A/D conversion module is used for converting acquired signals, the signal acquisition module comprises a voltage transformer and a current transformer and is used for acquiring the voltage and the current of the equipment to be tested, and the voltage and current signals acquired by the signal acquisition module are transmitted to the A/D conversion module for signal conversion.

The switching value input module is used for collecting switching value signals of the tested equipment, the optical B code input module is used for collecting optical B code signals of the tested equipment, the controller is used for processing the collected signals, and the display screen is used for displaying detection results.

The electric leakage detection module is used for detecting whether electric leakage exists in the tested equipment or not, the early warning module is used for sending out fault early warning, the wireless communication module is used for carrying out signal transmission with a remote control center, and the GPS time synchronization module is used for achieving the time synchronization function with the tested equipment.

The output end of the signal acquisition module is connected with the input end of the A/D conversion module, the output end of the A/D conversion module is connected with the input end of the controller, and the input end of the controller is also connected with the input ends of the GPS time synchronization module, the switching value input module and the optical B code input module respectively; the output end of the controller is respectively connected with the input ends of the display screen, the electric leakage detection module, the early warning module and the extension module, the wireless communication module is connected with the signal transmission end of the controller, and the wireless communication module is in wireless communication with the remote control center.

As shown in fig. 5, the circuit diagram of the power supply module in this embodiment converts input ac power into various voltage signals to supply power to each module; as shown in fig. 6, the circuit diagram of the a/D conversion module adopts an AD652 chip to perform AD conversion on the acquired voltage signal and current signal, and the converted signals are sent to the controller for processing; as shown in fig. 7, a circuit diagram of the controller is that an STM8L052R8T6 single chip microcomputer chip is used for processing the acquired signals, the signals converted by the a/D conversion module are received through a pin 1 for processing, then electric leakage detection is performed through an electric leakage detection module, an early warning signal is sent out through an early warning module, and monitoring information is displayed by connecting a display screen through a pin 17; the circuit diagrams of the early warning modules are respectively shown in fig. 8.

The utility model discloses when being surveyed the merging cells, being surveyed merging cells and this device through the cable connection, insert the back with the power cord, after pressing the switch button, after monitoring devices starts, power indicator lights, control mechanism detects the merging cells, shows the result of monitoring on the display screen, when the monitoring appearance is unusual, unusual pilot lamp lights, upload the remote control platform during the fruit of monitoring simultaneously, can long-rangely monitor.

Claims

1. Intelligent device tester, its characterized in that: the monitoring device comprises a shell (1), wherein a display screen (2) for displaying monitoring information and a setting key (3) for setting parameter information are arranged on a front end panel of the shell (1), a wiring board for mounting electronic components is arranged in the shell, and wiring terminals (9) with the inner parts connected with the wiring board and the outer parts connected with a tested device are respectively arranged on the left end surface and the right end surface of the shell; the wiring board is provided with a control mechanism for detection, the output end of the arranged key is connected with the input end of the control mechanism, the output end of the control mechanism is connected with the input end of the display screen, and the control mechanism is electrically connected with the wiring board; the control mechanism comprises a signal acquisition module for acquiring voltage and current information of the tested equipment, an A/D conversion module for converting acquired signals, a controller for processing the acquired signals, a power supply module for providing power supply, an electric leakage detection module for detecting whether electric leakage exists in the acquired signals and an early warning module for sending fault early warning, wherein the input end of the signal acquisition module is connected with a wiring terminal, the output end of the signal acquisition module is connected with the input end of the A/D conversion module, the output end of the A/D conversion module is connected with the input end of the controller, the output end of the controller is respectively connected with a display screen (2), the electric leakage detection module and the input end of the early warning module, and the output end of the power supply module is connected with the power supply input end of the controller.

2. The intelligent device tester of claim 1, wherein: the control mechanism further comprises a wireless communication module used for carrying out signal transmission with the remote control center, the wireless communication module is connected with the signal transmission end of the controller, and the wireless communication module is in wireless communication with the remote control center.

3. The intelligent device tester of claim 1, wherein: a power supply wiring terminal (8) for opening and closing the device, a GPS time-setting interface, a switching value input terminal, a switching value output terminal, an optical B code input terminal and an optical B code output terminal are arranged on the right end face of the shell; a phase current output terminal, a phase voltage output terminal and a direct current voltage output terminal are arranged on the left end face of the shell; the front panel of the shell is also provided with a power indicator lamp (5) for indicating a power supply and an abnormal indicator lamp (6) for indicating abnormal monitoring; the power indicator light is connected on a power inlet wire end in series, the input end of the abnormal indicator light is connected with the output end of the controller respectively, the GPS time synchronization interface, the switching value input terminal, the switching value output terminal, the optical B code input terminal, the optical B code output terminal, the phase current output terminal, the phase voltage output terminal and the direct current voltage output terminal are connected with the GPS time synchronization module, the switching value input module, the switching value output module, the optical B code input module, the optical B code output module, the phase current output module, the phase voltage output module and the direct current voltage output module on the wiring board respectively.

4. The intelligent device tester of claim 1, wherein: an expansion interface (10) for expansion is further arranged on the right end face of the shell.

5. The intelligent device tester of claim 4, wherein: the expansion interface (10) comprises an Ethernet port, an RS232 interface and an RS485 interface which are arranged on the end face of the right side of the shell.

6. The intelligent device tester of claim 1, wherein: a handle (7) convenient to hold by hand is arranged on the top end face of the shell (1).