CN217156739U - Portable relay protection detector of distribution network equipment - Google Patents
Portable relay protection detector of distribution network equipment Download PDFInfo
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- CN217156739U CN217156739U CN202123388166.XU CN202123388166U CN217156739U CN 217156739 U CN217156739 U CN 217156739U CN 202123388166 U CN202123388166 U CN 202123388166U CN 217156739 U CN217156739 U CN 217156739U
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- relay protection
- bottom plate
- touch screen
- main control
- portable relay
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to the technical field of power electronics, in particular to a portable relay protection detector of distribution network equipment, which is characterized by comprising an assembly case and a circuit bottom plate, wherein the circuit bottom plate is arranged inside the assembly case; the front panel of the assembly case is provided with a touch screen capable of displaying data, the circuit bottom plate is provided with a main control chip, and the touch screen is connected with the main control chip. The front side of the circuit bottom plate is provided with an analog-digital conversion module which is connected with the main control chip and used for acquiring analog signals of a test site and converting the analog signals into digital signals to be processed by the main control chip. A digital-to-analog conversion module is arranged on the front side of the circuit bottom plate and connected with the main control chip, the digital-to-analog conversion module converts a digital signal into an analog voltage and outputs the analog voltage to the touch screen, and the touch screen generates an analog voltage waveform diagram.
Description
Technical Field
The utility model relates to a power electronic technology field, concretely relates to distribution network equipment's portable relay protects detector.
Background
At present, relevant power distribution network field installation and debugging detectors exist in the market, but due to the limitation of the weight and the power supply mode, the requirements of self field testers for testing cannot be met.
Because the field condition of the power distribution end is complex, and the power supply input and output of the power distribution end is inconsistent, the debugging needs to be adjusted according to the field condition to test. The power supply mode of input and output quantity in the prior art can not meet the requirement, and the traditional relay protection detector is large and heavy and is inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
The utility model also aims to provide a portable relay protection detector of the distribution network equipment, which solves the technical problems;
a portable relay protection detector of a distribution network device comprises an assembly case and a circuit bottom plate, wherein a touch screen capable of displaying data is arranged on a front panel of the assembly case, and the circuit bottom plate is arranged inside the assembly case;
the circuit bottom board comprises a circuit board body,
the main control chip is arranged at the bottom of the circuit bottom plate and connected with the touch screen;
the analog-to-digital conversion module is arranged on the front side of the circuit bottom plate, and a signal output end of the analog-to-digital conversion module is connected with the main control chip;
the digital-to-analog conversion module is arranged on the front side of the circuit bottom plate, the signal input end of the digital-to-analog conversion module is connected with the main control chip, and the signal output end of the digital-to-analog conversion module is connected with the touch screen.
Preferably, a charging port, an ethernet interface and an RS232 debug interface are arranged on the right side of the circuit backplane.
Preferably, a battery charging interface is arranged at the bottom of the circuit bottom plate.
Preferably, a SIM card holder is disposed on the back of the circuit board.
Preferably, N debug interfaces are disposed on two sides of the front panel of the assembly chassis, where N is a natural number greater than 1.
Preferably, a USB interface, the RS232 debug interface, the ethernet interface, and a power start button are disposed on the front panel of the assembly chassis and below the touch screen.
Preferably, an interactive key is further arranged on the front panel of the assembly chassis and below the touch screen, a key management chip is arranged on the main control chip, and the interactive key is connected with the key management chip.
Preferably, the interactive key comprises: direction keys, confirm keys, run/stop keys, and number keys.
Preferably, an internal power supply is arranged inside the assembly case, and the internal power supply is connected with the battery charging interface.
The utility model has the advantages that: due to the technical scheme above the adoption, the utility model discloses an embedded main control chip has small advantage, and operation process can be set for on the touch screen, shows directly perceived clear, makes things convenient for on-the-spot tester to conveniently carry and test, accomplishes analog signal's output and collection.
Drawings
Fig. 1 is a block diagram of a module connection of a portable relay protection detector according to an embodiment of the present invention;
fig. 2 is a schematic view of an external structure of a front panel of an assembly chassis according to an embodiment of the present invention;
fig. 3 is a schematic view of an external structure of a rear panel of an assembly chassis according to an embodiment of the present invention;
fig. 4 is a side view of an external structure of an assembled chassis according to an embodiment of the present invention;
fig. 5 is a schematic front structural view of a circuit board according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a back structure of a circuit board according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
A portable relay protection detector of distribution network equipment comprises an assembly case 1 and a circuit board 2, wherein the circuit board 2 is arranged in the assembly case 1;
a touch screen 11 capable of displaying data is arranged on the front panel of the assembly case 1, a main control chip is arranged on the circuit bottom plate 2, and the touch screen 11 is connected with the main control chip.
In a preferred embodiment, as shown in fig. 1, a 10.1 inch touch screen is used for displaying analog signals collected at the present location, specifically, an industrial personal computer based on a Linux system is used for completing user interaction in the function of a display part, an STM32F429 is used as a main control chip in a control part, a muc/OS-II embedded real-time operating system is used as task scheduling, and the muc/OS-II embedded program can be transplanted to any other CPU.
In a preferred embodiment, all operation processes are set on the touch screen, and the display is visual and clear. The device can be operated by the keys on the device, and a USB interface 12 is also provided, which can be communicated with an external computer and other equipment. And the power supply is self-provided, and the power supply can work after being started. Convenient to carry is particularly suitable for flow tests and outdoor work.
Specifically, data interaction is carried out between the industrial personal computer and interfaces such as an Ethernet/USB/serial port, the output and the acquisition of analog signals are completed, and the field tester can conveniently carry and test.
Specifically, the portable relay protection detector also comprises a GPS module, so that field positioning is carried out;
the LORA module is used for transmitting radio signals;
reset key and flash memory chip.
It should be noted that, as the μ C/OS-II occupies some resources on the single chip, such as RAM or ROM, when being applied, the resource utilization by the user program is reduced. For an STM32F429 singlechip, the capacity of an RAM in the chip is usually hundreds of kb and is small, so that a flash memory chip is required to be added as an expansion content.
Specifically, at the power distribution end, a field analog signal is collected by the tester and fed back to the touch screen; when testing whether the switching value of the power distribution end is abnormal, whether the state of the input and output quantity is abnormal can be determined by detecting the state of the field switch and feeding back the state to the touch screen.
In a preferred embodiment, an analog-to-digital conversion module 21 is disposed on the front side of the circuit board 2 and connected to the main control chip, and the analog-to-digital conversion module 21 collects analog signals of a test site and converts the analog signals into digital signals for processing by the main control chip.
In a preferred embodiment, a digital-to-analog conversion module 22 is disposed on the front surface of the circuit board 2 and connected to the main control chip, the digital-to-analog conversion module 22 converts a digital signal into an analog voltage and outputs the analog voltage to the touch screen 11, and the touch screen 11 generates an analog voltage waveform diagram.
Particularly, a high-precision DAC chip is adopted, so that high precision and good linearity of the fitting waveform are ensured. And 8-path analog signals can be output simultaneously, and all-dimensional tests such as transformer protection, automatic switching of a standby power supply and the like are met.
Specifically, a charging port 23, an ethernet interface 24 and an RS232 debug interface 25 are disposed on the right side of the circuit board 2.
Specifically, a battery charging interface 26 is disposed at the bottom of the circuit board 2.
Specifically, a SIM card holder 27 is disposed on the back of the circuit board 2.
In a preferred embodiment, N debug interfaces 18 are disposed on two sides of the front panel of the assembly chassis 1, where N is a natural number greater than 1.
Specifically, a USB interface 12, an RS232 debug interface 25, an ethernet interface 24, and a power start button 13 are disposed on the front panel of the assembly chassis 1 below the touch screen 11.
Specifically, an interactive key is further arranged on the front panel of the assembly case 1 and below the touch screen 11, a key management chip is arranged on the main control chip, and the interactive key is connected with the key management chip.
Specifically, the interactive key includes: direction key 14, confirmation key 15, run/stop key 16 and number key 17.
In a preferred embodiment, an internal power source is provided inside the assembly housing 1, and the internal power source is connected to the battery charging interface 26, so that field testing and debugging can be performed even in the absence of power in the field environment.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (9)
1. A portable relay protection detector of distribution network equipment is characterized by comprising an assembly case and a circuit bottom plate, wherein a touch screen capable of displaying data is arranged on a front panel of the assembly case, and the circuit bottom plate is arranged inside the assembly case;
the circuit bottom board comprises a circuit board body,
the main control chip is arranged at the bottom of the circuit bottom plate and connected with the touch screen;
the analog-to-digital conversion module is arranged on the front side of the circuit bottom plate, and a signal output end of the analog-to-digital conversion module is connected with the main control chip;
the digital-to-analog conversion module is arranged on the front side of the circuit bottom plate, the signal input end of the digital-to-analog conversion module is connected with the main control chip, and the signal output end of the digital-to-analog conversion module is connected with the touch screen.
2. The portable relay protection detector according to claim 1, wherein a charging port, an ethernet interface and an RS232 debug interface are provided on the right side of the circuit board.
3. The portable relay protection detector according to claim 1, wherein a battery charging interface is arranged at the bottom of the circuit bottom plate.
4. The portable relay protection detector according to claim 1, wherein a SIM card holder is disposed on a back surface of the circuit board.
5. The portable relay protection detector according to claim 1, wherein N debug interfaces are disposed on two sides of the front panel of the assembly chassis, where N is a natural number greater than 1.
6. The portable relay protection detector according to claim 2, wherein a USB interface, the RS232 debug interface, the ethernet interface and a power start button are disposed on the front panel of the assembly chassis below the touch screen.
7. The portable relay protection detector according to claim 6, wherein an interactive key is further arranged on the front panel of the assembly case below the touch screen, a key management chip is arranged on the main control chip, and the interactive key is connected with the key management chip.
8. The portable relay protection detector of claim 7, wherein the interactive key comprises: direction keys, confirm keys, run/stop keys, and number keys.
9. The portable relay protection detector according to claim 3, wherein an internal power supply is arranged inside the assembling case, and the internal power supply is connected with the battery charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388166.XU CN217156739U (en) | 2021-12-29 | 2021-12-29 | Portable relay protection detector of distribution network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123388166.XU CN217156739U (en) | 2021-12-29 | 2021-12-29 | Portable relay protection detector of distribution network equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217156739U true CN217156739U (en) | 2022-08-09 |
Family
ID=82687654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123388166.XU Active CN217156739U (en) | 2021-12-29 | 2021-12-29 | Portable relay protection detector of distribution network equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217156739U (en) |
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2021
- 2021-12-29 CN CN202123388166.XU patent/CN217156739U/en active Active
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