CN110988527A - Feeder automation testing device and using method thereof - Google Patents

Abstract

The invention discloses a feeder automation testing device and a using method thereof, wherein the feeder automation testing device comprises an adjusting unit, a testing unit and a testing unit, wherein the adjusting unit is arranged on a cabinet body and comprises a display screen, a setting module arranged on one side of the display screen, a communication module positioned below the setting module, and a switch and a power supply interface positioned on a rear panel of the cabinet body, and the display screen, the setting module and the communication module are arranged on a front panel of the cabinet body; the processing unit is arranged in the accommodating space of the cabinet body and is communicated with the adjusting unit; the output unit is positioned on the upper panel of the cabinet body and is connected with the processing unit; the invention integrates the regulating unit, the processing unit and the output unit into a whole, can automatically test the feeder line without power failure, and can realize the full-electric data hardware/software simulation of 2 switch data.

Description

Feeder automation testing device and using method thereof

Technical Field

The invention relates to the technical field of feeder automation test, in particular to a feeder automation test device and a using method thereof.

Background

When a power supply company implements feeder automation, a key task before commissioning is to perform a full-line power failure test on an implementation project, but the feeder automation test is closely related to a distribution DSCADA master station, a communication system, a substation automation system and the like, and relates to a plurality of specialties such as relay protection, telemechanical system, communication and the like; before a newly-built line is powered on, the all-line test condition is often not met; the life and production of residential users and industrial users can be influenced by power failure test after power transmission; the power utilization interruption of a user can be caused by the whole-line power failure test of the old line reconstruction.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The invention is provided in view of the problem that the existing feeder automation test device and the use method thereof have the constant test of the feeder automation circuit.

Therefore, the present invention is directed to a feeder automation test device and a method for using the same.

In order to solve the technical problems, the invention provides the following technical scheme: a feeder automation test device comprises a test unit,

the adjusting unit is arranged on the cabinet body and comprises a display screen, a setting module arranged on one side of the display screen, a communication module positioned below the setting module, a switch and a power supply interface positioned on the rear panel of the cabinet body, wherein the display screen, the setting module and the communication module are arranged on the front panel of the cabinet body;

the processing unit is arranged in the accommodating space of the cabinet body and is communicated with the adjusting unit; and the number of the first and second groups,

and the output unit is positioned on the upper panel of the cabinet body and is connected with the processing unit.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the power interface is connected with the current and voltage subunit, the input/output subunit and the main control subunit of the processing unit through the voltage and current transformation and transformation circuit of the processing unit.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: and the voltage energy transmission module and the current input port of the current voltage subunit are respectively connected with the response module of the current voltage subunit.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the voltage energy transmission module comprises a regulation and control submodule and a voltage input port, the output end of the voltage input port is established with the response module through the regulation and control submodule, and the input end of the voltage input port is connected with the voltage transformation and current transformation circuit.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the regulation and control submodule comprises an L6562A and an output isolation circuit level conversion chip, the input end of the output isolation circuit level conversion chip is connected with the first joint of the voltage input port, the output end of the output isolation circuit level conversion chip is connected with the voltage driving submodule of the response module, and the input end and the output end of the L6562A are respectively connected with the first joint of the voltage input port and the voltage power amplification submodule of the response module;

and the voltage driving submodule drives the voltage power amplification submodule to adjust a voltage signal.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the response module further comprises a current driving submodule, a current power amplifier submodule, a voltage output port and a current output port, the current driving submodule drives the current power amplifier submodule to convert voltage into a test current signal and outputs the test current signal to the tested equipment through the current output port, and the voltage output port is connected with the voltage power amplifier submodule.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the current and voltage subunit also comprises a current and voltage regulation and control module and a conversion module, wherein the input ends of a current magnitude control submodule and a voltage range control submodule of the current and voltage regulation and control module are connected with the output end of the communication module and are used for automatically switching gears according to the amplitude of output voltage;

the output end of the current flow control submodule is connected with the input end of the current driving submodule;

and the output end of the voltage range control submodule is connected with the input end of the voltage driving submodule.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: and the current mode PT of the conversion module and the output end of the direct current conversion submodule are connected with the alternating current-direct current switching submodule.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: the output unit comprises an alternating current output module and an open-in and open-out terminal arranged on the alternating current output module.

As a preferred solution of the feeder automation test device and the using method thereof of the present invention, wherein: a method of using a feeder automation test device, comprising the steps of:

configuring switching value definition through a setting module;

respectively connecting the voltage input terminal and the current input terminal of the device to be tested to the voltage output terminal and the current output terminal of the corresponding alternating current output module;

setting test parameters according to the test description, and clicking a 'start' button of a setting module to start testing;

in the test process, if the action record received in the current state does not accord with the actual action requirement, the test is immediately stopped and prompted;

after all test items are tested, a 'browse test report' button can be clicked, a current report file is selected to generate a test report in wor format, and the current report file is named by the name of the tested device;

after all test items of the current device are tested, a new device can be accessed to start testing.

The invention has the beneficial effects that: the invention integrates the regulating unit, the processing unit and the output unit into a whole, can automatically test the feeder line without power failure, and can realize the hardware/software simulation of the full electrical data of 2 switch data.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic overall structure diagram of a feeder automation test device and a method for using the same according to the present invention.

Fig. 2 is a schematic view of another overall perspective structure of the feeder automation test apparatus and the method for using the same according to the present invention.

Fig. 3 is a schematic diagram of an overall explosion structure of the feeder automation test device and the using method thereof according to the present invention.

Fig. 4 is a schematic connection diagram of the adjusting unit, the processing unit and the output unit of the feeder automation testing apparatus and the using method thereof according to the present invention.

Fig. 5 is a schematic diagram illustrating connection between the adjusting unit and the output unit according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 6 is a schematic diagram illustrating connection between a power interface and an output unit according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 7 is a schematic diagram illustrating a power interface and an output unit of the feeder automation test apparatus and the method for using the same according to the present invention.

Fig. 8 is a schematic structural diagram of an ac output module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 9 is a schematic view of an open-in and open-out terminal structure of the feeder automation test apparatus and the method for using the same according to the present invention.

Fig. 10 is a schematic view of an overall detailed structure of the feeder automation test apparatus and the method for using the same according to the present invention.

Fig. 11 is a block diagram of a main control module of the feeder automation test apparatus and the method for using the same according to the present invention.

Fig. 12 is a block diagram of a remote control module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 13 is a block diagram of a remote signaling module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 14 is a detailed schematic diagram of a current-voltage subunit according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 15 is a schematic structural diagram of a voltage energy transmission module and a response module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 16 is a block diagram of a current and voltage regulation module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 17 is a connection block diagram of a conversion module according to the feeder automation test apparatus and the method for using the same of the present invention.

Fig. 18 is a detailed schematic diagram of a current-voltage subunit according to the feeder automation test apparatus and the method for using the same of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1, an overall structure diagram of a feeder automation test device and a method for using the same is provided, and as shown in fig. 1, the feeder automation test device and the method for using the same include a regulating unit 100 disposed on a cabinet 200, which includes a display screen 101, a setting module 102 disposed on one side of the display screen 101, a communication module 103 disposed below the setting module 102, and a switch 104 and a power interface 105 disposed on a rear panel 202 of the cabinet 200, wherein the display screen 101, the setting module 102, and the communication module 103 are disposed on a front panel 201 of the cabinet 200; the processing unit 300 is arranged in the accommodating space N1 of the cabinet 200 and is in contact with the adjusting unit 100; and an output unit 400 located on the upper panel 203 of the cabinet 200 while being connected with the processing unit 300.

Specifically, as shown in fig. 1 to 5, the main structure of the invention includes a regulating unit 100, a cabinet 200, a processing unit 300 and an output unit 400, and by the mutual cooperation among the regulating unit 100, the cabinet 200, the processing unit 300 and the output unit 400, the feeder automation test can be performed on a line without power outage, and simultaneously, the hardware/software simulation of full electrical data of 2 switching data can be realized; the test result is directly led into the power distribution terminal test monitoring system through two modes of network or USB, wherein the adjusting unit 100 has the functions of setting, displaying and starting the test and is arranged on the cabinet body 200, the cabinet body 200 is used for bearing the adjusting unit 100, the processing unit 300 and the output unit 400, the adjusting unit 100 comprises a display screen 101, a setting module 102 arranged on one side of the display screen 101, a communication module 103 positioned below the setting module 102, and a switch 104 and a power interface 105 positioned on a rear panel 202 of the cabinet body 200, wherein the display screen 101, the setting module 102 and the communication module 103 are arranged on a front panel 201 of the cabinet body 200; the processing unit 300 is capable of sending test information according to the setting of the adjusting unit 100, is arranged in the accommodating space N1 of the cabinet 200, and establishes a connection with the adjusting unit 100; and an output unit 400, which provides a connection port of the device under test for facilitating connection of the device under test, is located on the upper panel 203 of the cabinet 200 while being connected with the processing unit 300.

The setting module 102 includes a shortcut key, a start key, a stop key, a data button, and the like.

Further, as shown in fig. 6 and 7, the power interface 105 establishes a connection with the current-voltage subunit 302, the open-in/open-out subunit 303, and the main control subunit 304 of the processing unit 300 through the transformer-converter circuit 301 of the processing unit 300.

Further, as shown in fig. 8 and 9, the output unit 400 includes an ac output module 401 and an open-close terminal 402 disposed on the ac output module 401, the ac output module 401 adopts a banana socket and can be used with a matching banana plug, the definition of each path of terminal is as shown in fig. 5, and the description of each terminal is as follows: the two groups of voltage and two groups of current outputs are shared, specifically, (a) Ia, Ib and Ic are three-phase current output ends of the first group, I0 is zero-sequence current output, and In is a current common end of the first group.

(b) Ua, Ub and Uc are three-phase voltage output ends of the first group, U0 is zero-sequence voltage output, and Un is a voltage public end of the first group.

(c) Ia ', Ib ' and Ic ' are output ends of the second group of three-phase currents, I0 ' is output of zero-sequence currents, and In ' is a common end of the second group of currents.

(d) Ua ', Ub ' and Uc ' are output ends of a second group of three-phase voltages, U0 ' is output of zero-sequence voltages, and Un ' is a common end of the second group of voltages;

further, the number of the open-in terminals 402 is 16, and the terminals are divided into 2 groups, and the 2 groups respectively correspond to different public terminals, the open-in terminal provides a 24V power supply and is internally connected to "public +", when the internal power supply is used, the connection point is connected between the open-in terminal and "public +", when the external power supply is used, the connection point is connected between the open-in terminal and "public-", and when the open-in signal is effective, the corresponding indicator lamp is turned on; the number of the outlets of the inlet outlet terminal 402 is 16, the outlets are divided into 4 groups, the optocoupler relays output without direction, and the public ends of the optocoupler relays are respectively used; when the output signal is output, the corresponding indicator lamps are simultaneously lightened.

Further, the communication module 103 includes a serial port 103a, a USB interface 103b, a network interface 103c, a GPS antenna interface 103d, a socket 103e, and a power interface 103f, in this embodiment, the USB interface 103b may be connected to devices such as a USB disk, a mouse, and a keyboard; the network interface 103c is a 2-way standard RJ45 port or an Ethernet port, and is adaptive to 10M/100M; the serial port 103a comprises 2 serial ports, each serial port simultaneously supports RS232 and RS485, 485 +/485-is RS485 level, RXD/TXD is RS232 level, and only one of RS232 and RS485 terminals can be selected and cannot be connected at the same time; GPS antenna interface 103d is the panel coaxial cable interface, during the connection, screw IN locking, puts GPS antenna head IN open and unshielded region, and socket 103e divide into "Line IN" and "Line OUT" and be two RJ45 sockets, when DTU/FTU required the simulation communication to break the function, can carry OUT the switching through these two mouths with the network communication cable between DTU/FTU and the optical transmitter and receiver (or other communication equipment), promptly: the communication port Line of the DTU/FTU is connected to the LineIN firstly and then is connected to the communication equipment from the Line OUT. The 8 pins of the "Line IN" and the "Line OUT" are IN one-to-one correspondence, and can be correspondingly accessed into a network port or a serial port communication signal.

Further, as shown in fig. 10 to 13, the open-out subunit 303 includes a remote signaling module 303a and a remote control module 303b, the remote signaling module 303a has an effect of testing whether the action event of the device under test on the field device can be correctly detected and testing whether the device under test has the capability of processing when a plurality of open channels receive the remote signaling displacement signal, the remote control module 303b is used for testing whether the remote control command of the field device can accurately reach and output, the tester simulates the field device and receives the remote control signal through the device under test, the remote signaling module 303a and the remote control module 303b are both in contact with the processor of the main control subunit 304 through the bus 304a of the main control subunit 304, wherein the output end of the latch 303b-1 of the remote control module 303b is connected with the open-in input end of the open-out terminal 402 through the optical coupling relay 303b-2, the input of latch 303b-1 is connected to power interface 105 and bus 304a, the remote signaling module 303a comprises a DC/DC (direct current-direct current converter) 303a-1, a remote signaling controller 303a-2 and a voltage dividing resistor 303a-3, the remote signaling controller 303a-2 is connected with an input end of the input/output terminal 402 through the voltage dividing resistor 303a-3, 5V input by the power interface 105 and converted by the DC/DC303a-1 are input to the remote signaling controller 303a-2, the remote signaling controller 303a-2 is connected with the serial port 103a, specifically, the remote signaling controller 303a-2 is an MCU and/or an ACU, the processor model is Cortex M4, and preferably, the active crystal oscillator of the main control subunit 304 is connected with the processor of the main control subunit 304, so as to ensure the stability of the transmitted signals.

Example 2

Referring to fig. 14, this embodiment is different from the first embodiment in that: the current-voltage subunit 302 includes a voltage energy transmission module 302a, a current input port 302b, a response module 302c, a current-voltage regulation module 302d, a communication module 302e, and a conversion module 302f, and can provide a voltage signal with high precision and high stability and a current signal with high precision and high stability, and the response module 302c employs an iron-cap transistor, so that the test noise is low and the adjustment parameters are flexible. Specifically, the current-voltage subunit 302 includes a voltage energy transmission module 302a and a current input port 302b, where the voltage energy transmission module 302a is used to input a voltage and adjust the input voltage, and the current input port 302b is used to input a voltage required by the test current; the response module 302c is used for converting the voltage into a test voltage or/and current and outputting the test voltage or/and current to the test, plays a role of power amplification, and is connected with the regulation and control submodule 302a-1 and the current input port 302b of the voltage energy transmission module 302 a; and a current-voltage regulation module 302d for regulating the response module 302c according to the instructions transmitted by the communication module 302e and the conversion module 302f, wherein the conversion module 302f is used for inputting waveforms, converting the input waveform digital signals into analog signals after DA conversion, and then performing isolation output control.

Further, the voltage energy transmission module 302a further includes a voltage input port 302a-2, the voltage input port 302a-2 is used for inputting a voltage required by the test voltage, and is connected to a level conversion chip of the regulation and control submodule 302a-1, wherein the model of the level conversion chip is MP1591, and the regulation and control submodule 302a-1 plays a role in adjusting the voltage input by the voltage input port 302a-2 and realizing automatic adjustment.

Further, as shown in fig. 15, the regulation submodule 302a-1 includes an L6562a302a-11 and an output isolated circuit level shift chip 302a-12, the L6562a302a-11 can automatically adjust the voltage according to the magnitude of the output voltage to reduce the internal power consumption of the power amplifier and reduce the heat generation, and is applied to the power factor correction circuit, the output isolated circuit level shift chip 302a-12 can convert the input power generation source into the positive and negative power, the input end of the output isolated circuit level shift chip 302a-12 is connected to the first connector 302a-21 of the voltage input port 302a-2, the output end of the output isolated circuit level shift chip is connected to the voltage driving submodule 302c-1 of the response module 302c, the input end of the L6562a302a-11 is connected to the second connector 302a-22 of the voltage input port 302a-2 and the voltage power amplifier submodule 302c-2 of the, in this embodiment, the first connector 302a-21 inputs DC24V voltage and outputs + -15 after being converted by the level conversion chip, and the second connector 302a-22 inputs DC400V voltage and outputs + -40-400V 50W through L6562A101 a-1.

Further, as shown in fig. 16, the response module 302c includes a voltage driving submodule 302c-1, a voltage power amplifying submodule 302c-2, a current driving submodule 302c-3, a current power amplifying submodule 302c-4, a voltage output port 302c-5, and a current output port 302 c-6. Specifically, the voltage driving submodule 302c-1 of the response module 302c drives the voltage power amplification submodule 302c-2 to adjust a voltage signal; the response module 302c further includes a current driving submodule 302c-3, a current power amplifier submodule 302c-4, a voltage output port 302c-5 and a current output port 302c-6, the current driving submodule 302c-3 drives the current power amplifier submodule 302c-4 to convert voltage into a test current signal, and outputs the test current signal to the device to be tested through the current output port 302c-6, the voltage output port 302c-5 is connected with the voltage power amplifier submodule 302c-2, and specifically, the voltage output port 302c-5 and the current output port 302c-6 are connected with the alternating current output module 401 through a conducting wire.

Wherein, the voltage power amplifier submodule 302c-2 and the current power amplifier submodule 302c-4 respectively adopt IGBT geminate transistors and TO-3 power geminate transistors, the IGBT is a composite full-control type voltage-driven power semiconductor device consisting of a BJT (bipolar junction transistor) and an MOS (insulated gate field effect transistor), has the high input impedance of the MOSFET and the low conduction voltage drop performance of the GTR, and needs TO be explained that the IGBT pair transistors and the TO-3 power pair transistors both adopt iron cap transistors, the voltage power amplifier submodule 302c-2 and the current power amplifier submodule 302c-4 both comprise a current limiting circuit and a temperature protection circuit, the voltage output port 302c-5 and the current output port 302c-6 both adopt relays, and the voltage driving submodule 302c-1 and the current driving submodule 302c-3 are driving circuits of a power amplifier.

Preferably, a current sampling feedback sub-circuit 302c-7 is further arranged between the current power amplifier sub-module 302c-4 and the current output port 302c-6, an input end of the current sampling feedback sub-circuit 302c-7 is connected with an output end of the current power amplifier sub-module 302c-4, and an output end of the current sampling feedback sub-circuit is connected with the current output port 302c-6 and the current driving sub-module 302c-3, so that the output current can be monitored and timely adjusted conveniently, and the accuracy and stability of the output current can be ensured, wherein the voltage output port 302c-5 and the current output port 302c-6 are both wiring terminals.

Further, the current and voltage regulation module 302d includes a current measurement control submodule 302d-1, a voltage range control submodule 302d-2, a voltage feedback submodule 302d-3, an ac/dc switching submodule 302d-4 and a dc conversion submodule 302d-6, the current measurement control submodule 302d-1 and the voltage range control submodule 302d-2 automatically switch the gear according to the amplitude of the output voltage, so as to improve the output accuracy of the source, the voltage feedback submodule 302d-3 is used for monitoring and feeding back the output of the power amplifier, so as to further improve the accuracy and the output response speed of the source, the ac/dc switching submodule 302d-4 switches whether the output is an ac signal or a dc signal, and the dc conversion submodule 302d-6 is used for dc DA conversion. Specifically, the input ends of the current magnitude control submodule 302d-1 and the voltage range control submodule 302d-2 of the current and voltage regulation and control module 302d are connected with the output end of the communication module 302e, and are used for automatically switching gears according to the amplitude of the output voltage; the output end of the current magnitude control submodule 302d-1 is connected with the input end of the current driving submodule 302c-3, the output end of the voltage range control submodule 302d-2 is connected with the input end of the voltage driving submodule 302c-1, and the current magnitude control submodule 302d-1 and the voltage range control submodule 302d-2 are both CPUs.

Wherein, the current and voltage regulation module 302d further comprises a voltage feedback submodule 302d-3, an AC/DC switching submodule 302d-4 and a DC conversion submodule 302d-6, the output end of the voltage feedback submodule 302d-3 is connected with the voltage power amplification submodule 302c-2 and the DC conversion submodule 302d-6, the input ends of the voltage feedback submodule 302d-3 are both connected with the voltage output port 302c-5 and the output end of the voltage range control submodule 302d-2, the output end of the AC/DC switching submodule 302d-4 is connected with the voltage driving submodule 302c-1 for switching the output AC signal or the DC signal, wherein, the voltage feedback submodule 302d-3 is a feedback PT, the AC/DC switching submodule 302d-4 is composed of a DA converter, a waveform processing circuit and gear switching, the dc conversion sub-module 302d-6 is an MCU for regulating and controlling the ac/dc switching module 304 to switch the dc output.

Further, as shown in fig. 17, the conversion module 302f includes a current mode PT302f-1, a waveform input sub-module 302f-2, a measurement feedback sub-module 302f-3, an isolation CT302f-4, a measurement PT302f-5 and a measurement CT302f-6, and by the mutual cooperation between the current mode PT302f-1, the waveform input sub-module 302f-2, the measurement feedback sub-module 302f-3, the isolation CT302f-4, the measurement PT302f-5 and the measurement CT302f-6, remote monitoring can be achieved, both remote and local test modes can be achieved, and the practical performance of the test is increased. Specifically, the current mode PT302f-1 of the converter module 302f and the output of the DC converter sub-module 302d-6 are both associated with the AC/DC switching sub-module 302 d-4.

The conversion module 302f further comprises a waveform input submodule 302f-2, a measurement feedback submodule 302f-3, an isolation CT302f-4, a measurement PT302f-5 and a measurement CT302f-6, the waveform input submodule 302f-2 is respectively connected with the input ends of the isolation CT302f-4 and the current type PT302f-1, the output end of the isolation CT302f-4 is connected with the current driving submodule 302c-3, and the output ends of the measurement PT302f-5 and the measurement CT302f-6 are connected with the measurement feedback submodule 302 f-3; the input end of the measuring CT302f-6 is connected with the current output port 302c-6 and is used for measuring the output current; the input end of the measuring PT302f-5 is connected with the voltage output port 302c-5 and is used for measuring the output voltage, the waveform input submodule 302f-2 consists of a display screen and a setting button, and the measuring feedback submodule 302f-3 is a feedback PT circuit.

Further, as shown in fig. 18, the light isolation unit 302e-1 of the communication module 302e is connected to the current measurement control submodule 302d-1 and the voltage measurement range control submodule 302d-2, and is configured to isolate signals and prevent signals between the modules from interfering with each other, the communication module 302e further includes a bus output port 302e-2, the bus output port 302e-2 is composed of a 485 communication port and an auxiliary signal, and is configured to assist the signals in order to ensure accuracy of output phases when an ac signal is output, and directly control output by 485 communication when a dc signal is output.

Example 3

The present embodiment is a method for using a feeder automation test apparatus, and specifically, the method for using the feeder automation test apparatus includes the steps of: configuring the switching value definition through the setting module 102; the voltage and current input terminals of the device to be tested are respectively connected to the voltage and current output terminals of the corresponding alternating current output module 401; setting test parameters according to the test description, and clicking a 'start' button of the setting module 102 to start testing; in the test process, if the action record received in the current state does not accord with the actual action requirement, the test is immediately stopped and prompted; after all test items are tested, clicking a 'browse test report' button, and selecting a current report file to generate a word-format test report, wherein the current report file is named by the name of the tested device; ensuring that a new device can be accessed to start testing after all test items of the current device are tested; specifically, before all test items start, the switch quantity definition is configured, the output quantity corresponding to the switch position is configured according to the actual wiring position, and the output quantity corresponding to the switch position division is configured if double-point remote signaling is required. And controlling on and off to select the open position of the tester accessed by the tested device for switching on and off, and clicking to save after configuration is completed.

And respectively connecting the voltage input terminal and the current input terminal of the device to be tested to the corresponding voltage output terminal and current output terminal of the tester. According to the definition of the switching value, the tripping and opening contacts of the tested device are connected to the input terminal of the tester, and the switch remote signaling contact of the tested device is connected to the output terminal of the tester.

Test parameters are set according to the test description, and a start button is clicked to start the test. And observing the test information and the state preview in the test process, and if the whole test process completely acts according to the action requirement in the state preview, indicating that the test is passed. If the test fails, a red prompt appears in the test information, which indicates the reason of the failure.

In the testing process, if the action record received in the current state does not accord with the actual action requirement, the test is immediately stopped and prompted.

After all test items are tested, a 'browse test report' button can be clicked, a current report file is selected to generate a word-format test report, and the current report file is named by the name of the tested device.

After all test items of the current device are tested, a new device can be accessed to start testing. Before testing, new device information is firstly input, a button of tested device information is clicked, device two-dimensional codes are scanned or relevant information of the device is manually input, and a new test is started by clicking 'storage parameters'.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (10)

1. A feeder automation testing arrangement which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the adjusting unit (100) is arranged on the cabinet body (200) and comprises a display screen (101), a setting module (102) arranged on one side of the display screen (101), a communication module (103) positioned below the setting module (102), a switch (104) and a power interface (105) positioned on a rear panel (202) of the cabinet body (200), wherein the display screen (101), the setting module (102) and the communication module (103) are arranged on a front panel (201) of the cabinet body (200);

the processing unit (300) is arranged in the accommodating space (N1) of the cabinet body (200) and is communicated with the adjusting unit (100); and the number of the first and second groups,

and the output unit (400) is positioned on the upper panel (203) of the cabinet body (200) and is connected with the processing unit (300).

2. The feeder automation test device of claim 1, wherein: the power interface (105) is connected with the current and voltage subunit (302), the open-in and open-out subunit (303) and the main control subunit (304) of the processing unit (300) through a voltage transformation and current transformation circuit (301) of the processing unit (300).

3. The feeder automation test device of claim 2, wherein: the voltage energy transmission module (302a) and the current input port (302b) of the current-voltage subunit (302) are respectively connected with the response module (302c) of the current-voltage subunit (302).

4. The feeder automation test device of claim 3, wherein: the voltage energy transmission module (302a) comprises a regulation and control submodule (302a-1) and a voltage input port (302a-2), the output end of the voltage input port (302a-2) is established with the response module (302c) through the regulation and control submodule (302a-1), and the input end of the voltage input port is connected with the voltage transformation and current transformation circuit (301).

5. The feeder automation test device of claim 4, wherein: the regulation submodule (302a-1) comprises an L6562A (302a-11) and an output isolation circuit level conversion chip (302a-12), wherein the input end of the output isolation circuit level conversion chip (302a-12) is connected with the first connector (302a-21) of the voltage input port (302a-2), the output end of the output isolation circuit level conversion chip is connected with the voltage driving submodule (302c-1) of the response module (302c), and the input end and the output end of the L6562A (302a-11) are respectively connected with the first connector (302a-22) of the voltage input port (302a-2) and the voltage power amplifier submodule (302c-2) of the response module (302 c);

the voltage driving submodule (302c-1) drives the voltage power amplification submodule (302c-2) to adjust a voltage signal.

6. The feeder automation test device of claim 5, wherein: the response module (302c) further comprises a current driving submodule (302c-3), a current power amplification submodule (302c-4), a voltage output port (302c-5) and a current output port (302c-6), the current driving submodule (302c-3) drives the current power amplification submodule (302c-4) to convert voltage into a test current signal, the test current signal is output to the tested equipment through the current output port (302c-6), and the voltage output port (302c-5) is connected with the voltage power amplification submodule (302 c-2).

7. The feeder automation test device of claim 5 or 6, wherein: the current voltage electronic unit (302) further comprises a current voltage regulation and control module (302d) and a conversion module (302f), wherein the input ends of a current magnitude control submodule (302d-1) and a voltage range control submodule (302d-2) of the current voltage regulation and control module (302d) are connected with the output end of the communication module (302e) and are used for automatically switching gears according to the amplitude of output voltage;

wherein the output end of the current flow control submodule (302d-1) is connected with the input end of the current driving submodule (302 c-3);

the output end of the voltage range control submodule (302d-2) is connected with the input end of the voltage driving submodule (302 c-1).

8. The feeder automation test device of claim 7, wherein: and the current mode PT (302f-1) of the conversion module (302f) and the output end of the direct current conversion sub-module (302d-5) are connected with the alternating current and direct current switching sub-module (302 d-4).

9. The feeder automation test device of claim 8, wherein: the output unit (400) includes an AC output module (401) and an open-in and open-out terminal (402) provided to the AC output module (401).

10. A method of using the feeder automation test equipment of any one of claims 1 to 9, wherein: comprises the steps of (a) carrying out,

configuring a switching value definition by a setting module (102);

the voltage and current input terminals of the tested device are respectively connected to the voltage and current output terminals of the corresponding alternating current output module (401);

setting test parameters according to test requirements, and clicking a 'start' button of a setting module (102) to start testing;

in the test process, if the action record received in the current state does not accord with the actual action requirement, the test is immediately stopped and prompted;

after all test items are tested, a 'browse test report' button can be clicked, a current report file is selected to generate a word-format test report, and the current report file is named by the name of the tested device;

after all test items of the current device are tested, a new device can be accessed to start testing.

Images