CN215575439U - Full-automatic spare power automatic switching device calibrator - Google Patents
Full-automatic spare power automatic switching device calibrator Download PDFInfo
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- CN215575439U CN215575439U CN202122208720.5U CN202122208720U CN215575439U CN 215575439 U CN215575439 U CN 215575439U CN 202122208720 U CN202122208720 U CN 202122208720U CN 215575439 U CN215575439 U CN 215575439U
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Abstract
The utility model discloses a full-automatic spare power automatic switching device calibrator, which comprises a shell and a panel, wherein the panel is provided with a display screen, a switching value and analog input/output terminal, a control button and an indicator light; the switching value input terminal is connected with the switching value input conversion circuit in the machine; the analog quantity input terminal is connected with the analog quantity output terminal through a switch circuit; the switching value output terminal is connected with the signal switching circuit; the control button is connected with the anti-shake circuit; the indicator light is connected with the microcontroller; the power supply module is respectively connected with the switch circuit, the signal switch circuit, the switching value input conversion circuit and the display screen. The utility model reduces the number of test devices and wiring complexity before testing. The complexity of simulating the external input quantity which can enable the backup power automatic switching to enter the charging state in the test is reduced.
Description
Technical Field
The utility model relates to a tester, in particular to a full-automatic spare power automatic switching device calibrator.
Background
In the maintenance test work, spare power automatic switching device check-up does not have special instrument, or only simple special instrument of function singleness crude, need manually treat that experimental protection device screen cabinet connects the relay protection tester, connect a plurality of analog switch, the logic is complicated, each analog switch position needs the manual work to be put well in each time analog test, analog output such as the current-voltage of manual control relay protection tester, and need accurate time cooperation between various instruments, the time is too short to be realized, and the process of the test cooperation is easy to make mistakes, cause the test result mistake. The wiring is loaded down with trivial details, needs multiple instrument cooperation, and the action condition realizes the difficulty, and various volume of opening in experimental position, analog input, the judgement of test result all needs the manual work to go on, makes mistakes easily.
The problems cause that the spare power automatic switching protection function calibration is difficult to carry out in the secondary overhaul major of the transformer substation, the efficiency is low, the calibration of a single device needs 3-5 days or even longer time, the action logic is complex, and the test result is unreliable according to human brain judgment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a full-automatic spare power automatic switching device calibrator which can reduce the number of test equipment and wiring complexity before a test and reduce the complexity of simulating external input quantity which can enable the spare power automatic switching to enter a charging state in the test.
In order to solve the problems in the prior art, the utility model adopts the following technical scheme:
the full-automatic spare power automatic switching device calibrator comprises a shell, wherein a panel is embedded on the shell, a display screen, a plurality of switching value and analog value input/output terminals, a plurality of control buttons and a plurality of indicator lamps are installed on the panel, a microcontroller, a switching value input conversion circuit, a switching circuit, a signal switching circuit, an anti-shaking circuit and a power module are arranged in the shell, and the microcontroller is respectively connected with the switching value input conversion circuit, the switching circuit, the signal switching circuit, the display screen, the anti-shaking circuit and the power module; the switching value input terminal is connected with the switching value input conversion circuit in the machine; the analog quantity input terminal is connected with the analog quantity output terminal through a switch circuit; the switching value output terminal is connected with the signal switching circuit; the control button is connected with the anti-shake circuit; the indicator light is connected with the microcontroller; and the power supply module is respectively connected with the switching circuit, the signal switching circuit, the switching value input conversion circuit and the display screen.
Further, the switching value and analog value input/output terminal is a 4mm banana plug terminal.
Further, the microcontroller is of the model STM32F103ZET 6.
Further, the switching value input conversion circuit comprises a resistor and a photoelectric coupler, and is protected by a protection circuit consisting of a restorable fuse, a voltage regulator tube and a resistor.
Further, the switch circuit comprises a resistor, a triode and a relay, and the switch circuit is protected by a protection circuit consisting of a recoverable fuse.
Furthermore, the signal switch circuit comprises a resistor, a triode and a relay, and the signal switch circuit comprises a recoverable fuse.
Further, the anti-shake circuit is composed of a resistor and a capacitor.
The utility model has the following advantages and beneficial effects:
the full-automatic spare power automatic switching device calibrator reduces the number of test equipment and wiring complexity before testing. The complexity of simulating the external input quantity which can enable the backup power automatic switching to enter the charging state in the test is reduced. The utility model fully presets the switch position of the automatic spare power switching mode, adopts keys to switch the position of each automatic spare power switching mode and feeds back a real-time graphical interface, supports the control of a manual breaker, and can simulate 7 breakers. The touch screen is controlled independently through a full-graphical touch interface, is simple and easy to use, and reduces the use difficulty. And displaying the relevant action information, action time and the like in real time.
Drawings
The utility model is described in detail below with reference to the accompanying drawings:
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of a panel according to the present invention;
fig. 3 is a schematic block diagram of the principles of the present invention.
In the figure: the device comprises a shell 1, a panel 2, a display screen 3, a switching value and analog value input/output terminal 4, a control button 5 and an indicator lamp 6.
Detailed Description
The utility model is described in further detail below with reference to the figures and the specific embodiments. It should be noted that, the relevant modules involved in the present system are all hardware system modules or are functional modules combining computer software programs or protocols with hardware in the prior art, and the computer software programs or protocols involved in the functional modules are all techniques known per se by those skilled in the art, which are not improvements of the present system; the improvement of the system is the interaction relation or the connection relation among all the modules, namely the integral structure of the system is improved, so as to solve the corresponding technical problems to be solved by the system.
As shown in fig. 1, 2 and 3, the automatic spare power automatic switching device calibrator of the present invention includes a housing 1, and a panel 2 is embedded on the housing. The panel is provided with a display screen 3, a plurality of switching value (digital value signals) and analog value input/output terminals 4, a plurality of control buttons 5 and a plurality of indicator lamps 6, and a microcontroller, a switching value input conversion circuit, a switching circuit, a signal switching circuit, an anti-shake circuit and a power module are arranged in the shell.
The microcontroller is of the model STM32F103ZET 6. And the microcontroller is respectively connected with the switching value input conversion circuit, the switching circuit, the signal switching circuit, the display screen, the switching anti-shake circuit and the power module. The microcontroller is responsible for receiving all external input signals and key/touch control information, carrying out logic judgment, and controlling the display screen, the switch circuit, the signal switch circuit, the indicator light and other external devices to realize the functions of the calibrator. The method specifically comprises the following steps:
the microcontroller is used for sending information such as various external input/output signal states, the function mode of the calibrator, the action records and the time records of various input/output signals to the display screen for displaying, and receiving touch control information received by the display screen, switching value electric signals input from the outside and signals of control buttons; the switch is used for controlling the on-off of the switch circuit and the signal switch circuit; the device is used for controlling the on and off of the indicator light; the method is used for all logic judgment and function control of the check meter.
The display screen is connected with the microcontroller and can be controlled by touch.
The switching value and analog value input/output terminal is used for testing the electrical connection between the cable and the related circuits in the machine; the input/output terminal of the switching value and the analog value is a 4mm banana plug terminal.
The input terminal of the switching value (digital value signal) is connected with the switching value input conversion circuit, the signal is converted by the switching value input conversion circuit and sent to the microcontroller, and the signal is connected with the microcontroller by the conversion circuit.
The switching value input conversion circuit comprises a resistor and a photoelectric coupler, and is protected by a protection circuit consisting of a restorable fuse, a voltage regulator tube and a resistor, so that the damage of a wrong connection line is prevented. The photocoupler in the embodiment adopts a PC 817. And the switching value input conversion circuit is responsible for converting the switching value electric signals received by the check meter into signals which can be accepted by the microcontroller.
The analog quantity input terminal is connected with the analog quantity output terminal through a switch circuit controlled by the microcontroller. The switch circuit is respectively connected with the analog input terminal, the analog output terminal and the built-in microcontroller. The switch circuit is controlled by the microcontroller and is responsible for controlling the output of the analog quantity. The switch circuit comprises a resistor, a triode and a relay, and is protected by a protection circuit consisting of a restorable fuse to prevent the damage of a wrong connection wire. In the embodiment, the triode is SS8050, and the relay is SRD-05V.
And the switching value (digital value signal) output terminal is connected with a signal switching circuit controlled by the microcontroller. The signal switch circuit is respectively connected with the digital quantity output terminal and the microcontroller. The signal switch circuit is controlled by the microcontroller and is responsible for controlling the output of the switching value, namely outputting on/off. The signal switch circuit comprises a resistor, a triode and a relay, wherein the triode adopts SS805, and the relay adopts SRS-05V. The signal switch circuit is protected by a protection circuit, and the protection circuit is composed of a recoverable fuse and prevents a wrong connection line from being damaged. In the embodiment, the triode adopts SS805, and the relay adopts SRS-05V.
The control button is connected with the anti-shake circuit, and the anti-shake circuit is connected with the microcontroller. The control button controls the related functions of the calibrator by pressing the control button, in particular to control the on-off state of the circuit breaker simulated by the calibrator.
The anti-shake circuit is used for eliminating electric signal shake generated at the moment of pressing the control button and sending the processed signal to the microcontroller. The anti-shake circuit is composed of a resistor and a capacitor.
The indicator light is connected with the microcontroller, and the indicator light is responsible for displaying relevant states of the check gauge.
And the power supply module is respectively connected with the switching circuit, the switching value input conversion circuit, the signal switching circuit and the display screen. The power supply module is composed of a switch power supply.
The working principle of the utility model is as follows:
1. when the spare power automatic switching test function is carried out, the working process is as follows:
and a user connects the on-off and analog input/output terminals of the calibrator with the calibrated spare power automatic switching device and the relay protection tester according to requirements.
The user connects the device power supply to the AC220V power supply, the voltage is converted by the power supply module, the power is supplied to each element in the machine, and the machine is started.
After the power is started, the display screen displays a main menu (spare power automatic switching test and circuit breaker simulation) of the function, and a user selects the spare power automatic switching test and enters a spare power automatic switching test function interface.
The user can press a 'switch spare power automatic switching mode' button in the screen to switch the position configuration of a plurality of preset analog switches of typical spare power automatic switching charging modes according to the requirement, the user can also switch the switching-on and switching-off positions of corresponding circuit breakers by touching the corresponding circuit breakers in an electric main wiring diagram in the screen or press an entity control button of the corresponding circuit breaker of a device panel to switch the switching-on and switching-off positions, and key signals are sent to the microcontroller after being anti-shaken by the anti-shake circuit. If the 1DL circuit breaker is controlled to be opened, after the check meter is logically judged, the control signal switch circuit outputs a corresponding 1DL circuit breaker opening position signal, the 1DL circuit breaker opening position signal and the 1DL circuit breaker closing position signal are disconnected, the 1DL circuit breaker opening position indicator lamp is lightened, the 1DL circuit breaker closing position and the 1DL circuit breaker closing position indicator lamp are closed, and the control screen displays the 1DL circuit breaker opening position and displays the state and the graphic information of the 1DL circuit breaker opening position.
When the switch position configuration set by the user is correct, the verified backup power automatic switching device finishes charging after a certain time delay.
When a user presses a 'start test' button in a screen, the internal timing of the check meter starts, logic judgment is carried out according to the actual switch position configuration, and the switch circuit is controlled to disconnect the corresponding analog quantity output terminal so as to trigger the automatic switching starting action of the checked spare power equipment.
The microcontroller in the machine receives various action signals of the checked backup power automatic switching through the switching value input conversion circuit, makes corresponding response through logic judgment, outputs corresponding signals to the checked backup power automatic switching device through the signal switching circuit, outputs corresponding analog quantity to the checked backup power automatic switching device through the switching circuit, indicates corresponding analog circuit breaker position state through the control indicator lamp, displays real-time analog circuit breaker state and graphic information through the control screen, and receives information such as switching control signals, time and the like. If the checked backup power automatic switch sends out a 1DL breaker opening signal, the check meter receives the signal, after logical judgment, the control signal switch circuit outputs a corresponding 1DL breaker opening position signal, the 1DL breaker opening position signal and the 1DL breaker closing position signal are disconnected, the 1DL breaker opening position indicator lamp is lightened, the 1DL breaker opening position indicator lamp is turned off, the 1DL breaker opening position is displayed on the control screen, the state and the graphic information of the 1DL breaker opening position are displayed, and the opening command receiving time and the command receiving time of the 1DL breaker are displayed.
When the distance from the last received action signal of the checked backup power automatic switching exceeds a certain time, which is 5000ms in the embodiment, the logic of the check meter judges that the checked backup power automatic switching action is finished.
The check meter judges the set spare power automatic switching mode and the actual action condition through logic, gives a conclusion whether the test result is correct or not, and displays the conclusion on a screen.
The user can read the state, action record and corresponding time of each analog circuit breaker by observing the interface information of the screen.
The detailed information interface can be accessed by pressing a detailed information button on the screen, and the interface records the action signals and the corresponding time received by the calibrator, the conditions of all signals and analog quantity output by the calibrator and the corresponding time information according to the time sequence.
2. The working flow when the circuit breaker is simulated is as follows:
and a user connects the on-off and analog input/output terminals of the calibrator with the calibrated spare power automatic switching device and the relay protection tester according to requirements.
The user connects the device power supply to the AC220V power supply, the voltage is converted by the power supply module, the power is supplied to each element in the machine, and the machine is started.
After the startup is finished, the display screen displays a main menu (spare power automatic switching test and circuit breaker simulation) of the function, and a user selects 'circuit breaker simulation' to enter a circuit breaker simulation function interface.
On the "circuit breaker simulation" function interface, the user will see the graphical status icons and 2-way voltage, 2-way current graphical status icons and corresponding status and action information windows for 7 independent simulated circuit breakers. The graphical status icons of the 7 individual simulated circuit breakers were touch controllable.
The user can switch the on-off position of the corresponding circuit breaker and the on-off of the voltage and the current or press the entity control button of the corresponding circuit breaker of the device panel to switch the on-off position by touching the corresponding circuit breaker or the voltage and current graphic state icon in the screen, and the key signal is sent to the microcontroller after the anti-shake of the anti-shake circuit. If the 1DL circuit breaker is controlled to be opened, after the check meter is logically judged, the control signal switch circuit outputs a corresponding 1DL circuit breaker opening position signal, the 1DL circuit breaker opening position signal and the 1DL circuit breaker closing position signal are disconnected, the 1DL circuit breaker opening position indicator lamp is lightened, the 1DL circuit breaker closing position and the 1DL circuit breaker closing position indicator lamp are closed, and the control screen displays the 1DL circuit breaker opening position and displays the state and the graphic information of the 1DL circuit breaker opening position.
The user can read the state, action record and corresponding time of each analog circuit breaker by observing the interface information of the screen.
The detailed information interface can be accessed by pressing a detailed information button on the screen, and the interface records the action signals and the corresponding time received by the calibrator, the conditions of all signals and analog quantity output by the calibrator and the corresponding time information according to the time sequence.
Claims (7)
1. Full-automatic spare power automatic switching device calibrator, its characterized in that: the intelligent control device comprises a shell (1), wherein a panel (2) is embedded on the shell, a display screen (3), a plurality of switching value and analog value input/output terminals (4), a plurality of control buttons and a plurality of indicator lamps are arranged on the panel, a microcontroller, a switching value input conversion circuit, a switching circuit, a signal switching circuit, an anti-shake circuit and a power module are arranged in the shell, and the microcontroller is respectively connected with the switching value input conversion circuit, the switching circuit, the signal switching circuit, the display screen, the anti-shake circuit and the power module; the switching value input terminal is connected with the switching value input conversion circuit; the analog quantity input terminal is connected with the analog quantity output terminal through a switch circuit; the switching value output terminal is connected with the signal switching circuit; the control button is connected with the anti-shake circuit; the indicator light is connected with the microcontroller; and the power supply module is respectively connected with the switching circuit, the signal switching circuit, the switching value input conversion circuit and the display screen.
2. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the switching value and analog value input/output terminal is a 4mm banana plug terminal.
3. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the microcontroller is STM32F103ZET 6.
4. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the switching value input conversion circuit comprises a resistor and a photoelectric coupler, and is protected by a protection circuit consisting of a restorable fuse, a voltage regulator tube and a resistor.
5. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the switch circuit comprises a resistor, a triode and a relay, and is protected by a protection circuit consisting of a recoverable fuse.
6. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the signal switch circuit comprises a resistor, a triode and a relay, and the signal switch circuit comprises a restorable fuse.
7. The check gauge of the fully automatic spare power automatic switching device according to claim 1, characterized in that: the anti-shake circuit is composed of a resistor and a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122208720.5U CN215575439U (en) | 2021-09-13 | 2021-09-13 | Full-automatic spare power automatic switching device calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122208720.5U CN215575439U (en) | 2021-09-13 | 2021-09-13 | Full-automatic spare power automatic switching device calibrator |
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| Publication Number | Publication Date |
|---|---|
| CN215575439U true CN215575439U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122208720.5U Active CN215575439U (en) | 2021-09-13 | 2021-09-13 | Full-automatic spare power automatic switching device calibrator |
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| Country | Link |
|---|---|
| CN (1) | CN215575439U (en) |
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2021
- 2021-09-13 CN CN202122208720.5U patent/CN215575439U/en active Active
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