CN218412751U - Remote interactive low-voltage transformer area parameter detection device - Google Patents
Remote interactive low-voltage transformer area parameter detection device Download PDFInfo
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- CN218412751U CN218412751U CN202222345841.9U CN202222345841U CN218412751U CN 218412751 U CN218412751 U CN 218412751U CN 202222345841 U CN202222345841 U CN 202222345841U CN 218412751 U CN218412751 U CN 218412751U
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Abstract
The utility model discloses a remote interactive low-voltage transformer area parameter detection device, which comprises a measurement conversion module, an analog-to-digital conversion module, a data external management module and a data management module; the method comprises the following steps that a voltage/current transformer of a measurement conversion module is used for collecting power supply grid signals of a low-voltage transformer area, the signals are converted into digital signals through an analog-to-digital conversion module and are transmitted to a data external processing module to obtain different power supply parameters, and a data management module is used for completing the functions of display, storage, remote man-machine interaction, local operation and the like of a data processing module; the detected data is remotely transmitted to the main control room computer through the video communication equipment, the main control room computer sends a communication request to the video communication equipment when the power supply parameters of the distribution room are found to be abnormal, the abnormal power supply parameters of the distribution room are reminded through conversation or videos to be processed in time, the power supply parameters of the low-voltage distribution room are comprehensively and accurately detected, and a basis is provided for subsequent power quality adjustment.
Description
Technical Field
The utility model relates to a low pressure platform district parameter detection technique, concretely relates to long-range interactive low pressure platform district power supply parameter detection device.
Background
With the rapid improvement of the living level of people in new generations and the effort of the aim of 'double carbon', a great amount of power electronic precise instruments are used, meanwhile, the power utilization structure of a modern power grid is also greatly changed, and the pollution to power energy is increasingly serious due to the large access of nonlinear load and impact load. Computer, microprocessor based control of consumer and power electronics is very sensitive to power quality. The low-voltage transformer area parameters generally comprise voltage, current, frequency, waveform, flicker and the like, and effective monitoring of parameter detection of each low-voltage transformer area is particularly important for power supply marketing service. The existing detection devices do not realize remote exchange, detection personnel and marketing service personnel cannot communicate in real time, and then marketing managers cannot effectively manage and control the quality of electric energy in time.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model aims to provide a long-range interactive low pressure platform district parameter detection device can be long-range, quick, accurate detection low pressure platform district power supply parameter.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a remote interactive low-voltage transformer area parameter detection device comprises a measurement conversion module, an analog-to-digital conversion module, a data processing module and a data management module;
the measurement conversion module comprises a voltage transformer, a current transformer and a signal conditioning circuit;
the analog-to-digital conversion module converts the small-amplitude voltage signal into a digital signal;
the data processing module comprises a DSP (digital signal processor), an external memory SDRAM (synchronous dynamic random access memory) and a FLASH, and the data processing module performs data processing on the sampling signal to obtain power supply parameters;
the data management module comprises an ARM processor, and the ARM processor is respectively connected with a data memory, a graphic display and operation interface and video communication equipment; the data processing module is used for carrying out data management on various power supply parameters obtained by calculation of the data processing module, and finishing the functions of display, storage, remote man-machine interaction and local operation.
Furthermore, the data management module adopts an ARM processor, and adopts an SS3C2410X chip taking ARM920T as a core, and the ARM processor is respectively connected with a data memory, a graphic display and operation interface and video communication equipment.
Further, the video communication equipment comprises a single chip microcomputer, and a network interface, a camera, a microphone, a loudspeaker and a multimedia interface which are connected with the single chip microcomputer.
Further, the video communication equipment further comprises a USB interface, and the USB interface is electrically connected to the single chip microcomputer.
Further, the video communication equipment further comprises a memory card slot, and the memory card slot is in signal connection with the single chip microcomputer.
Further, the memory card slot is a MicroSD card slot, a TF card slot or an SD card slot.
Further, the video communication equipment further comprises a wireless communication module, and the wireless communication module is electrically connected to the single chip microcomputer.
Further, the wireless communication module is a Wi-Fi module.
Furthermore, the graphical display and operation interface adopts a 320 multiplied by 240 TFT real color screen and a touch screen.
Further, the data memory adopts an SD card module.
The utility model discloses a long-range interactive low pressure platform district parameter detection device, voltage/current transformer through measuring transform module gathers low pressure platform district power supply electric wire netting signal, then change into the small amplitude voltage signal that accords with ADC input requirement through signal conditioning circuit, change small amplitude voltage signal into digital signal through analog-to-digital conversion module, and convey it to data external processing module, carry out data external processing to ADC's sampled signal, thereby according to the different calculation software of load, calculate and obtain including voltage deviation, frequency deviation, harmonic, three-phase unbalance degree, different power supply parameters such as voltage flicker, the calculation software is current voltage commonly used, frequency, routine calculation software such as harmonic, load different software according to different needs; the data management module performs data management on various power supply parameters calculated by the data processing module, completes functions of display, storage, remote man-machine interaction, local operation and the like, and can perform long-time data acquisition and monitoring on the operation of a power grid.
The video communication equipment comprises a single chip microcomputer, a network interface, a camera, a microphone, a loudspeaker and a multimedia interface, wherein the network camera is used for completing a video monitoring function, detected data are remotely transmitted to a main control room computer through the network interface of the video communication equipment, the main control room computer is used for carrying out circuit quality analysis and calculation, when the power supply parameters of a station area are found to be abnormal, the main control room computer sends a communication request to the video communication equipment, the abnormal power supply parameters of the station area are reminded through conversation or video, operation and maintenance personnel are reminded of timely processing, technical support can be provided for calling the main control room when the station area has problems, the power supply parameters of a low-voltage station area are comprehensively and accurately detected, and a basis is provided for subsequent power quality adjustment.
Drawings
Fig. 1 the utility model discloses long-range interactive low pressure platform district parameter detection device structure schematic diagram
Fig. 2 is a schematic block diagram of the video communication device of the present invention
Detailed Description
The following examples are provided to explain the present invention in detail, but should not be construed as limiting the present invention.
As shown in FIG. 1, the utility model discloses a long-range interactive low pressure platform district parameter detection device is including measuring transform module, analog-to-digital conversion module, data outer reason module, data management module.
The measurement conversion module comprises a voltage transformer, a current transformer and a signal conditioning circuit; the analog-to-digital conversion module converts the small-amplitude voltage signal into a digital signal; the data processing module comprises a DSP (digital signal processor), an external memory SDRAM (synchronous dynamic random access memory) and a FLASH, the data processing module takes the DSP as an operation core, different software is burnt in the SDRAM according to different requirements, and data processing is carried out on sampling signals of the ADC, so that power supply parameters such as voltage deviation, frequency deviation, harmonic waves, three-phase unbalance, voltage flicker and the like can be calculated; the data management module is used for carrying out data management on various power supply parameters obtained by calculation of the data processing module, and finishing functions of display, storage, remote man-machine interaction, local operation and the like.
The low-voltage transformer area power supply grid signal is converted into a small-amplitude voltage signal meeting the ADC input requirement through a voltage/current transformer and a signal conditioning circuit; the analog-to-digital conversion module converts the small-amplitude voltage signal into a digital signal, transmits the digital signal to the data processing module, and processes data processing on the sampling signal of the ADC, so as to calculate power supply parameters such as voltage deviation, frequency deviation, harmonic wave, three-phase unbalance degree and voltage flicker; the data management module performs data management on various power supply parameters calculated by the data processing module to complete functions of display, storage, remote man-machine interaction, local operation and the like.
The analog-to-digital conversion module adopts an ADS8364 chip, the data management module adopts an ARM processor, and the ARM processor is respectively connected with a data memory, a graphic display and operation interface and video communication equipment.
Various power supply parameters calculated by the data processing module are stored in the data storage through the ARM processor, an operator can observe test data through the image display and operation interface, and the operator can search the previously stored data through the operation interface.
As shown in fig. 2, the video communication device includes a network interface, a camera, a microphone, a single chip, a speaker, and a multimedia interface, the network interface, the camera, and the microphone are electrically connected to the single chip, the storage module is electrically connected to the single chip, the single chip is electrically connected to the speaker and the multimedia interface, and the multimedia interface is connected to the external display device. The single chip microcomputer has the functions of coding and decoding voice and video signals, the camera and the microphone are respectively used for collecting images and voice information around the video communication equipment, converting the images and the voice information into electric signals and transmitting the electric signals into the single chip microcomputer, and the single chip microcomputer is used for coding audio and video signals and transmitting the audio and video signals into a network through a network interface; the singlechip can also decode the audio and video data received from the network interface, output the decoded data through the multimedia interface and output audio signals through the loudspeaker. The multimedia interface can be a DVI interface, an HDMI interface and other common multimedia interfaces.
When the system is used, the network interface is connected with the internet, the multimedia output interface is connected with the external display equipment, the video monitoring function can be realized through the camera and the microphone, and the external display equipment can be connected to perform video chat and video conference when needed, so that the product functions are expanded, and the system is convenient for users to use.
The video communication equipment also comprises a USB interface, wherein the USB interface is electrically connected to the singlechip, and is externally connected with storage equipment such as a mobile hard disk and the like through the USB interface to store contents such as video monitoring, video chatting and the like, so that the problem of insufficient storage capacity of the video communication equipment is solved. The storage card slot is connected with the single chip microcomputer in a signal mode. As an implementation mode, the storage card slot is a MicroSD card slot, a TF card slot or an SD card slot. The audio and video information of the video communication equipment can be stored in a storage card in the storage card slot.
The video communication device can further comprise a wireless communication module, and the wireless communication module is electrically connected to the single chip microcomputer. The wireless communication module can be a Wi-Fi module, a 3G module, a 4G module, a 5G module and other communication modules. The video communication equipment is connected to the network through the wireless communication module and is connected with other users, and therefore the use of network cables is reduced, and the equipment is more convenient to use. In a preferred embodiment, the wireless communication module is a Wi-Fi module.
The video communication equipment can exchange data with a computer of a remote main control room, the detected data are remotely transmitted to the computer of the main control room, the computer of the main control room analyzes and calculates the circuit quality, the computer of the main control room compares the obtained data with fault data for analysis, and when the power supply parameters of the distribution room are found to be abnormal, the computer of the main control room sends a communication request to the video communication equipment to remind the distribution room of the abnormal power supply parameters and to remind operation and maintenance personnel of processing in time.
The data storage adopts an SD card module, the data of the SD card is not lost after power failure, the controller writes the data into the SD card through an SPI communication protocol, and the data in the SD card is read out when the system is restarted.
The utility model adopts the SS3C2410X chip which takes ARM920T as the core as the ARM processor. The chip has higher processing speed and can run at the clock of 200MHZ at most.
The utility model discloses a 320X 240's true color screen of TFT and touch-sensitive screen can do the simple processing and the demonstration of collector end to the data of gathering, improve portability and easy usefulness. The software operation instrument based on the graphical interface is realized based on the Webserver of the Interniche. By using the WebportTM provided by Interniche, a user can operate the embedded tester in an image mode, only different HTML pages need to be written in different test interfaces, and various flexible and friendly interactive functions are completed by combining a CGI technology.
The utility model discloses large capacity SDRAM and DataFLASH have been expanded to satisfy the great large-scale program operation demand of operation. The data storage and data management module can be used for calling and consulting historical test data of each battery pack by a user and displaying the historical test data in a variation trend graph mode.
Claims (10)
1. The utility model provides a long-range interactive low pressure platform district parameter detection device which characterized in that: the device comprises a measurement conversion module, an analog-to-digital conversion module, a data processing module and a data management module;
the measurement conversion module comprises a voltage transformer, a current transformer and a signal conditioning circuit;
the analog-to-digital conversion module converts the small-amplitude voltage signal into a digital signal;
the data processing module comprises a DSP (digital signal processor), an external memory SDRAM (synchronous dynamic random access memory) and a FLASH, and the data processing module performs data processing on the sampling signal to obtain power supply parameters;
the data management module comprises an ARM processor, and the ARM processor is respectively connected with a data memory, a graphic display and operation interface and video communication equipment; the system is used for carrying out data management on various power supply parameters obtained by calculation of the data processing module, and completing the functions of display, storage, remote man-machine interaction and local operation.
2. The remote interactive low pressure station area parameter sensing device of claim 1, wherein: the data management module adopts an ARM processor, adopts an SS3C2410X chip taking ARM920T as a core, and the ARM processor is respectively connected with a data memory, a graphic display and operation interface and video communication equipment.
3. The remote interactive low pressure station area parameter sensing device of claim 2, wherein: the video communication equipment comprises a single chip microcomputer, and a network interface, a camera, a microphone, a loudspeaker and a multimedia interface which are connected with the single chip microcomputer.
4. The remote interactive low-voltage transformer area parameter detection device of claim 3, wherein: the video communication equipment further comprises a USB interface, and the USB interface is electrically connected to the single chip microcomputer.
5. The remote interactive low pressure station area parameter sensing device of claim 2, wherein: the video communication equipment further comprises a storage card slot, and the storage card slot is in signal connection with the single chip microcomputer.
6. The remote interactive low-voltage transformer area parameter detection device of claim 5, wherein: the storage card slot is a MicroSD card slot, a TF card slot or an SD card slot.
7. The remote interactive low pressure station area parameter sensing device of claim 3, wherein: the video communication equipment further comprises a wireless communication module, and the wireless communication module is electrically connected to the single chip microcomputer.
8. The remote interactive low-voltage transformer area parameter detection device of claim 7, wherein: the wireless communication module is a Wi-Fi module.
9. A remote interactive low-voltage transformer area parameter detection device according to any one of claims 1-8, characterized in that: the graphical display and operation interface adopts a 320 multiplied by 240 TFT true color screen and a touch screen.
10. The remote interactive low pressure platform area parameter detection device according to any one of claims 1-8, wherein: the data memory adopts an SD card module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222345841.9U CN218412751U (en) | 2022-09-02 | 2022-09-02 | Remote interactive low-voltage transformer area parameter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222345841.9U CN218412751U (en) | 2022-09-02 | 2022-09-02 | Remote interactive low-voltage transformer area parameter detection device |
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| Publication Number | Publication Date |
|---|---|
| CN218412751U true CN218412751U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222345841.9U Expired - Fee Related CN218412751U (en) | 2022-09-02 | 2022-09-02 | Remote interactive low-voltage transformer area parameter detection device |
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| CN (1) | CN218412751U (en) |
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2022
- 2022-09-02 CN CN202222345841.9U patent/CN218412751U/en not_active Expired - Fee Related
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Granted publication date: 20230131 |