CN217639973U - Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer - Google Patents
Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer Download PDFInfo
- Publication number
- CN217639973U CN217639973U CN202220199217.XU CN202220199217U CN217639973U CN 217639973 U CN217639973 U CN 217639973U CN 202220199217 U CN202220199217 U CN 202220199217U CN 217639973 U CN217639973 U CN 217639973U
- Authority
- CN
- China
- Prior art keywords
- input module
- detection device
- module
- quantity signal
- signal input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a trouble splitting protection export logic detection device based on STM32 singlechip, including the STM32 singlechip, voltage analog quantity signal input module, digital quantity signal output module, keyboard input module, liquid crystal display module and power input module, voltage analog quantity signal input module is used for gathering busbar voltage amplitude value and frequency signal under the trouble emulation condition, digital quantity signal input module is used for gathering trouble splitting protection tripping operation export relay closed instantaneous switching value signal, digital quantity signal output module is used for exporting high-low level signal, liquid crystal display module is used for parameter display and setting, keyboard input module is used for modifying the inside logic parameter of device and switches the display interface. The utility model discloses can detect the action time delay that shows each outlet relay, reduce the consumption, can the fault type that the quick judgement outlet relay action corresponds.
Description
Technical Field
The utility model relates to an electric power system safety technical field specifically is a trouble splitting protection export logic detection device and detection method based on STM32 singlechip.
Background
With the continuous expansion of the grid-connected scale of green energy sources such as wind power, photovoltaic power generation and the like, higher requirements are put forward on the development of an electric power system, and a fault splitting device is more and more important as equipment for ensuring the stable operation of the electric power system. When the system voltage and the frequency are reduced, the fault splitting device can sequentially cut off part of feeder line breakers, and the purposes of stabilizing the system voltage and guaranteeing the power consumption of users are achieved.
A common fault splitting device is provided with 20 outlet loops, a universal meter is commonly used at present to measure the potential change of the outlet loops, protection faults need to be repeatedly simulated for 20 times to be detected one by one, and the working process is complicated, time-consuming, labor-consuming and high in safety risk. If a fault splitting protection logic verification device is used, all tripping outlets can be detected through one-time test, but the device cannot measure the action delay of each outlet relay, and the outlet monitoring loop is very much in wiring and easy to make mistakes, so that a plurality of holding relays are designed, the power consumption of the holding relays is high, and the actions of the outlet relays caused by voltage or frequency faults cannot be distinguished.
Disclosure of Invention
In order to overcome the not enough of current trouble splitting protection logic verifying attachment can not detect the action time delay of each outlet relay, the utility model provides a trouble splitting protection outlet logic detection device and detection method based on STM32 singlechip can not only detect the action time delay that shows each outlet relay, has optimized the mode of connection in export monitoring return circuit simultaneously, is showing and has reduced the consumption, can the quick judgement outlet relay move the fault type that corresponds.
The utility model provides a pair of fault splitting protection export logic detection device based on STM32 singlechip, including the STM32 singlechip to and the voltage analog quantity signal input module, digital quantity signal output module, keyboard input module, liquid crystal display module and the power input module who is connected with it, voltage analog quantity signal input module, digital quantity signal input module and keyboard input module transmission signal are to the STM32 singlechip, STM32 singlechip transmission signal is to liquid crystal display module and digital quantity signal output module; voltage analog signal input module is used for gathering busbar voltage amplitude and frequency signal under the trouble emulation condition, digital signal input module is used for gathering the switching value signal at fault splitting protection tripping outlet relay closure moment, digital signal output module is used for exporting high-low level signal, contains 20 energy-saving pilot lamps, switches on through its place circuit of control and instructs tripping outlet relay whether closed, liquid crystal display module is used for showing tripping outlet relay closure signal, closed delay time and the setting of internal logic parameter of gathering, keyboard input module is used for modifying the inside logic parameter of device and switches the display interface.
Further, the STM32 single chip microcomputer adopts STM32H750VBT6.
Further, the voltage analog quantity signal input module comprises a voltage sensor.
Further, the voltage sensor adopts a ZMPT01B voltage sensor.
Further, the digital quantity signal input module adopts a 21-core aviation plug.
The utility model has the advantages that:
1. the utility model discloses trouble splitting protection export logic detection device can detect 20 relay exports simultaneously, and the time measuring precision is high, satisfies protection detection technical regulation;
2. the traditional mode of testing the relay time one by one is improved into one-time detection, the test time is reduced by 95%, and the safety risk is obviously reduced;
3. the setting can be modified according to the protection fixed value in the fault solution device to be detected, the utility model discloses the internal voltage and frequency starting value of the detection device, adaptability is wide;
4. the device is convenient to be connected with a common liquid crystal screen and a 4X 4 matrix keyboard, and is convenient to display and set parameters in a delay sampling process;
5. the 21-core aviation plug is adopted to realize 20 digital quantity signal input, the integration level is good, and the test wiring is convenient.
Drawings
Fig. 1 is a system block diagram of the detection device of the present invention;
fig. 2 is the utility model discloses a singlechip mainstream chart.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the following specific embodiments.
As shown in fig. 1, the fault disconnection protection outlet logic detection device based on the STM32 single chip microcomputer of the embodiment includes the STM32 single chip microcomputer, and a voltage analog quantity signal input module, a digital quantity signal output module, a keyboard input module, a liquid crystal display module and a power supply input module which are connected with the STM32 single chip microcomputer, wherein the voltage analog quantity signal input module, the digital quantity signal input module and the keyboard input module transmit signals to the STM32 single chip microcomputer, and the STM32 single chip microcomputer transmits signals to the liquid crystal display module and the digital quantity signal output module; the voltage analog signal input module is used for collecting a bus voltage amplitude value and a frequency signal under the condition of fault simulation, the digital signal input module is used for collecting a switching value signal at the moment of closing a fault disconnection protection tripping outlet relay, the digital signal output module is used for outputting a high-low level signal and comprises 20 energy-saving indicator lamps, whether the tripping outlet relay is closed or not is indicated by controlling the circuit where the tripping outlet relay is located to be switched on, the liquid crystal display module is used for displaying the collected tripping outlet relay closing signal, closing delay time and internal logic parameter setting, and the keyboard input module is used for modifying internal logic parameters of the device and switching a display interface.
In this embodiment, the STM32 single chip microcomputer adopts STM32H750VBT6, the voltage analog signal input module adopts a ZMPT01B voltage sensor, and the digital signal input module adopts a 21-core aviation plug.
The utility model discloses a fault splitting protection export logic detection device based on STM32 singlechip, mainly used detect whether closed and the closed action time delay of fault splitting protection export relay. When voltage or frequency drop to being less than the protection definite value with the speed that is less than the slip locking definite value respectively, trouble splitting protection export relay will be closed, as shown in fig. 2, the utility model discloses a detection method based on trouble splitting protection export logic detection device of STM32 singlechip, include:
firstly, modifying and setting internal voltage and frequency starting values according to protection fixed values in a detected fault resolution device through a keyboard input module;
secondly, collecting a bus voltage amplitude value and a frequency signal under the condition of fault simulation through a voltage analog quantity signal input module, and starting continuous timing by the detection device when the collected voltage amplitude value or frequency value is smaller than internal logic parameters of the device;
thirdly, the digital quantity signal input module adopts a 21-core aviation plug, can monitor and collect closing signals of 20 tripping outlet relays for fault disconnection protection, and when a plurality of instantaneous closing signals of the relays are detected, the detection device stops timing and respectively calculates and displays action delays of the outlet relays;
fourthly, the detection device simultaneously outputs high-level digital quantity signals, the digital quantity signal output module comprises 20 energy-saving indicating lamps, the indicating lamps corresponding to the actuated outlet relays are lightened and kept normally on, resetting can be carried out only through a resetting button on a keyboard, the actuation result can be visually judged, and the set parameters and the actual measurement parameters are displayed on a liquid crystal display.
It should be understood by those skilled in the art that the foregoing is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the invention, which is not limited by the spirit and principles of the invention.
Claims (5)
1. The utility model provides a trouble splitting protection export logic detection device based on STM32 singlechip which characterized in that: the voltage analog quantity signal input module, the digital quantity signal input module and the keyboard input module transmit signals to the STM32 single chip microcomputer, and the STM32 single chip microcomputer transmits signals to the liquid crystal display module and the digital quantity signal output module; voltage analog signal input module is used for gathering busbar voltage amplitude and frequency signal under the trouble emulation condition, digital signal input module is used for gathering the switching value signal at fault splitting protection tripping outlet relay closure moment, digital signal output module is used for exporting high-low level signal, contains 20 energy-saving pilot lamps, switches on through its place circuit of control and instructs tripping outlet relay whether closed, liquid crystal display module is used for showing tripping outlet relay closure signal, closed delay time and the setting of internal logic parameter of gathering, keyboard input module is used for modifying the inside logic parameter of device and switches the display interface.
2. The STM32 single chip microcomputer-based fault disconnection protection outlet logic detection device according to claim 1, characterized in that: the STM32 singlechip adopts STM32H750VBT6.
3. The STM32 single chip microcomputer-based fault disconnection protection outlet logic detection device according to claim 1, characterized in that: the voltage analog quantity signal input module comprises a voltage sensor.
4. The STM32 single chip microcomputer-based fault disconnection protection outlet logic detection device according to claim 3, characterized in that: the voltage sensor adopts a ZMPT01B voltage sensor.
5. The STM32 singlechip-based fault disconnection protection exit logic detection device of claim 1, wherein: the digital quantity signal input module adopts a 21-core aviation plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220199217.XU CN217639973U (en) | 2022-01-25 | 2022-01-25 | Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220199217.XU CN217639973U (en) | 2022-01-25 | 2022-01-25 | Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217639973U true CN217639973U (en) | 2022-10-21 |
Family
ID=83642436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220199217.XU Expired - Fee Related CN217639973U (en) | 2022-01-25 | 2022-01-25 | Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217639973U (en) |
-
2022
- 2022-01-25 CN CN202220199217.XU patent/CN217639973U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103454580B (en) | A kind of circuit-breaker switching on-off coil characteristics proving installation | |
| CN102721891B (en) | Test device for non-liner resistor type resonance eliminator | |
| KR100875127B1 (en) | Multifunctional terminal device for distribution automation and its operation method | |
| CN101763097B (en) | Quality flow controller/ageing measurement monitoring system | |
| CN217639973U (en) | Fault splitting protection outlet logic detection device based on STM32 single-chip microcomputer | |
| CN102841309B (en) | Test device for circuit breaker | |
| CN102426304B (en) | Automatic tester of direct current microcomputer protective device and testing method thereof | |
| CN102426322B (en) | Fuse member ampere-second characteristic tester | |
| CN101452638B (en) | Electrical energy meter or power load administrative terminal verifying device | |
| CN116540578A (en) | STM32 singlechip-based fault disconnection protection outlet logic detection device and detection method thereof | |
| CN203396921U (en) | Multi-load voltage switch power test device | |
| CN202102088U (en) | Circuit breaker testing device | |
| CN204423800U (en) | For distribution technique technical ability competition arrangement | |
| CN115032530A (en) | Full-automatic mechanical performance test and accelerated aging platform for medium-voltage circuit breaker | |
| CN110375771B (en) | Three-floating inertial instrument floater running-in equipment | |
| CN209746015U (en) | Frequency signal wiring switching device | |
| CN202141768U (en) | Multichannel multifunctional electric power communication detecting device | |
| CN203405560U (en) | A switching power supply testing apparatus | |
| CN220382812U (en) | Intelligent FTU high-resistance fixed section terminal | |
| CN214154154U (en) | Microcomputer comprehensive protection measurement and control system | |
| CN113376552B (en) | Switching value testing device and method | |
| CN113740783B (en) | Testing system for wired measurement and control interface of deep space exploration circulator against land device | |
| CN218272517U (en) | European style box-type substation temperature rise test measuring device | |
| CN220271503U (en) | High-voltage switch equipment energy storage time and disconnecting link action time measuring device | |
| CN216901424U (en) | Automatic load switching system for simulation test of vehicle domain controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |