Intelligent calibration system for backup-power automatic switching device

Patent metadata

Field	Value
Publication number	US-9606185-B2
Application number	US-201314893048-A
Country	US
Kind code	B2
Filing date	Dec 25, 2013
Priority date	May 22, 2013
Publication date	Mar 28, 2017
Grant date	Mar 28, 2017

Abstract

The present invention provides an intelligent calibration system for backup-power automatic switching devices, including a power supply module, a control module for logic controls, a voltage output module and a current output module for outputting simulated voltage and current, a signal feedback module for sampling outputted voltage and current signals, a simulated circuit-breaker group, an auxiliary relay, a USB interface for communication, a keyboard for information input, a display module for information interaction and real-time panel presentation, an interface module to facilitate plug-in wires, an indicator light for indicating operation status and a computer for controlling the testing globally. The present invention facilitates easy and fast wiring, and conveniently displays operation interface and related information. The operation is intuitive and simple, overall test efficiency is improved. Further, comprehensive tests for BAS devices can be performed with high measurement accuracy, while avoiding influences of human operations to the test results.

First claim

What is claimed is:

1. An intelligent calibration system for backup-power automatic switching devices, comprising: a power supply module 1 , a control module 2 , a voltage output module 3 , a current output module 4 , a signal feedback module 5 , a simulated circuit-breaker group 6 , an auxiliary relay 7 , a USB interface 8 , a keyboard 9 , a display module 10 , an interface module 11 , an indicator light 12 and a computer 13 , wherein:
the power supply module 1 is configured to include a power input port, a first power output port and a second power output port;
the control module 2 is configured to include a voltage output control port, a power output control port, a signal feedback input port, a simulated circuit-breaker signal port, an auxiliary relay control port, a USB communication port, a keyboard signal input port, a display signal input port, an indicator light signal output port and a power port;
the voltage output module 3 is configured to include a control signal input port, a first voltage output port, a second voltage output port and a power port;
the current output module 4 is configured to include a control signal input port, a current output port and a power port;
the signal feedback module 5 is configured to include a first sampling signal port, a second sampling signal port, a third sampling signal port, a signal output port and a power port;
the simulated circuit-breaker group 6 is configured to include a first signal port, a second signal port and a power port;
the auxiliary relay 7 is configured to include a control signal input port, an output port and a power port;
the USB interface 8 is configured to include a first communication port and a second communication port; the keyboard 9 is configured to include a signal output port and a power port;
the display module 10 is configured to include a display signal input port and a power port;
the interface module 11 includes an interface panel and a first voltage output connection terminal, a second voltage output connection terminal, a current output connection terminal, a row of simulated circuit-breaker connection terminals and an auxiliary relay output connection terminal configured on the interface panel;
the indicator light 12 is configured to include a control signal input port and a power port; the computer is configured to include a communication port;
the control signal input port of the voltage output module 3 and the voltage output control port of the control module 2 are electrically connected;
the first voltage output port of the voltage output module 3 and the first voltage output connection terminal of the interface module 11 are electrically connected;
the second voltage output port of the voltage output module 3 and the second voltage output connection terminal of the interface module 11 are electrically connected;
the control signal input port of the current output module 4 and the current output control port of the control module 2 are electrically connected;
the current output port of the current output module 4 and the current output connection terminal of the interface module 11 are electrically connected;
the first sampling signal port of the signal feedback module 5 and the first voltage output port of the voltage output module 3 are electrically connected;
the second sampling signal port of the signal feedback module 5 and the second voltage output port of the voltage output module 3 are electrically connected;
the third sampling signal port of the signal feedback module 5 and the current output port of the current output module 4 are electrically connected;
the signal output port of the signal feedback module 5 and the feedback signal input port of the control module 2 are electrically connected;
the first signal port of the simulated circuit-breaker group 6 and the simulated circuit-breaker signal port of the control module 2 are electrically connected and have bidirectional signal connection;
the second signal port of the simulated circuit-breaker group 6 and the row of simulated circuit-breaker connection terminals of the control module 2 are electrically connected;
the control signal input port of the auxiliary relay 7 and the auxiliary relay control port of the control module 2 are electrically connected;
the output port of the auxiliary relay 7 and the output connection terminal of the interface module 11 are electrically connected;
the first communication port of the USB interface 8 and the USB communication port of the control module 2 are electrically connected and have bidirectional signal connection;
the second communication port of the USB interface 8 and the communication port of the computer 13 are electrically connected and have bidirectional signal connection;
the signal output port of the keyboard 9 and the keyboard signal input port of the control module 2 are electrically connected;
the display signal input port of the display module 10 and the display signal output port of the control module 2 are electrically connected;
the control signal input port of the indicator light 12 and the indicator light signal output port of the control module 2 are electrically connected;
the power ports of the control module 2 , the simulated circuit-breaker group 6 , the auxiliary relay 7 , the USB interface 8 , the keyboard 9 , the display module 10 and the indicator light 12 are respectively electrically connected to the first power output port of the power supply module 1 ; and
the power ports of the voltage output module 3 , the current output module 4 and the signal feedback module 5 are respectively electrically connected to the second power output port of the power supply module 1 .

2. The intelligent calibration system for backup-power automatic switching devices according to claim 1 , further comprising a housing, wherein:
the housing includes a panel; the display module 10 includes a display driving circuit and a display screen;
the power supply module 1 , the control module 2 , the voltage output module 3 , the current output module 4 , the signal feedback module 5 , the simulated circuit-breaker group 6 , the auxiliary relay 7 and the driving circuit of the display module 10 are configured inside the housing; and
the USB interface 8 , the keyboard 9 , the display screen of the display module 10 , the interface module 11 and the indicator light 12 are configured on the panel of the housing.

3. The intelligent calibration system for backup-power automatic switching devices according to claim 2 , wherein:
the control module 2 includes an LPC2220 microcontroller;
the simulated circuit-breaker group 6 includes eight simulated circuit-breakers; and
the row of simulated circuit-breaker connection terminals of the control module includes eight groups and a total of 16 connection terminals.

4. The intelligent calibration system for backup-power automatic switching devices according to claim 3 , wherein the connection terminals of the interface module 11 are MTK-P/P terminals manufactured by PHOENIX Corporation; and the display screen of the display module 10 is a TFT touch screen.

5. The intelligent calibration system for backup-power automatic switching devices according to claim 4 , wherein the computer includes an operation control unit having a configuration operation interface and a global scheme control module, and a testing database containing regular testing item set, faulty set and typical case set, and which performs global control over the testing process.

Assignees

• Chang Zhou Current Supply Company Of Jiangsu Electric Power Company
• Jiangsu Electric Power Co
• State Grid Corp China

Inventors

• Xu Zhen
• Wang Yi
• Chen Shu
• Dong Zuchen
• Cao Liang

Classifications

• G01R35/005

  Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references (G01R33/0035, G01R35/002 take precedence) · CPC title

• G01R31/3191

  Calibration · CPC title

• G01R31/3277 Primary

  of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches · CPC title

• H02J9/06

  with automatic change-over {, e.g. UPS systems} · CPC title