CN211787472U - Novel 24-hour acquisition terminal field monitoring equipment and system - Google Patents
Novel 24-hour acquisition terminal field monitoring equipment and system Download PDFInfo
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- CN211787472U CN211787472U CN202020093579.1U CN202020093579U CN211787472U CN 211787472 U CN211787472 U CN 211787472U CN 202020093579 U CN202020093579 U CN 202020093579U CN 211787472 U CN211787472 U CN 211787472U
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Abstract
The utility model discloses a novel 24 hours collection terminal on-spot supervisory equipment and system, relate to the on-spot monitoring technical field to collection terminal among the power consumer power consumption information acquisition system, the trouble problem that appears in the solution power consumption information acquisition process, this supervisory equipment includes high performance microprocessor, the power management unit, the metering unit, a display element, a storage unit, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit, high performance microprocessor respectively with a display element, a storage unit, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit both way junction. The monitoring system uses monitoring equipment to form a terminal layer, a communication channel and a master station layer, wherein the terminal layer communicates with the master station layer through the communication channel. The utility model provides the high reliability of product has reduced the economic loss of power supply enterprise to bring the convenience for electric power personnel's work.
Description
Technical Field
The utility model relates to a collection terminal field monitoring technical field, and more specifically relates to a novel 24 hours collection terminal field monitoring equipment.
Background
The power utilization information acquisition system is mainly used for collecting power utilization data of users and can also collect and monitor transformer data so as to judge the power utilization requirements of the users. And a certain level of evaluation is carried out on the basis, so that the existing power utilization system can be fully utilized, the power utilization peak period is staggered, and the damage to the line is reduced. Different acquisition terminals including a special transformer acquisition terminal, a centralized meter reading terminal and the like exist in the prior art. The special transformer acquisition terminal is mainly used for acquiring final data of a user, simultaneously can check the working state of an instrument, can also realize real-time monitoring aiming at a special object, and finally realizes the sharing of collected information. The centralized meter reading terminal is mainly used for collecting electric energy of some low-voltage users, and the centralized meter reading terminal comprises the following components: a concentrator and a collector. The data acquisition device and the data acquisition device have different functions, wherein the acquisition device mainly collects data and can realize the purpose of information communication, and the concentrator mainly performs centralized processing on the data on the basis of the collected data so as to transmit the processed data information to the master station.
At the present stage, people are more and more high in dependence degree on electric energy in daily production and life, rapid development of an electric power system is directly promoted, power utilization information collection plays a huge role in the daily operation process of a power supply enterprise, but in the power utilization information collection process, many fault problems exist, such as collection terminal off-line faults, abnormal meter reading faults and the like, normal work of the power utilization information collection is influenced, and meanwhile certain benefit loss is brought to the power supply enterprise.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a novel 24 hours collection terminal field monitoring equipment can in time master collection terminal's real-time running state to 24 hours uninterruptedly return the main website system to the control information, can also the real time monitoring power consumption condition, realize second level real-time data and refresh, the power consumption abnormal conditions of real time monitoring user.
The utility model adopts the following technical scheme: the utility model provides a novel 24 hours acquisition terminal field monitoring equipment, supervisory equipment includes high performance microprocessor, power management unit, measurement unit, display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit, high performance microprocessor respectively with display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit both way junction, the measurement unit output with the high performance microprocessor input is connected, the power management unit output with the high performance microprocessor input is connected.
As the utility model discloses a further technical scheme, high performance microprocessor is ARM9 series's central processing unit CPU, central processing unit CPU dominant frequency is 200MHz, central processing unit CPU external bus frequency is 66MHz, central processing unit CPU embeds there is Linux operating system interface, Linux operating system interface has light-duty database SQLITE interface, light-duty database SQLITE interface embeds there is the file system interface.
As the utility model discloses a further technical scheme, the measurement unit main part is high accuracy measurement chip, high accuracy measurement chip model is: RN8302B, at 5000: within a dynamic range of 1, the nonlinear error is less than 0.1 percent, and the precision requirements of 0.5S and 0.2S electric energy meters are met.
The metering unit further comprises: the high-precision metering device comprises a voltage sampling circuit, a current sampling circuit and an amplifying circuit, wherein the output end of a high-precision metering chip is connected with the input end of a high-performance microprocessor, the input end of the high-precision metering chip is connected with the output end of the amplifying circuit, the input end of the amplifying circuit is respectively connected with the output ends of the voltage sampling circuit and the current sampling circuit, and the input ends of the voltage sampling circuit and the current sampling circuit are connected with a power transmission line.
As a further technical scheme of the utility model, the display element main part is 160X 160's industry dot matrix liquid crystal display, the display screen display mode is the dot matrix form and for being shaded and showing, the demonstration menu of display screen is full chinese menu interface, the display screen has 6 input keys, the display end of display screen sets up to show voltage, electric current, power or measurement data.
As a further technical scheme of the utility model, the memory cell is 64 MB's synchronous dynamic random access memory SDRAM and 256 MB's NAND Flash memory NAND Flash.
As a further technical scheme of the utility model, infrared input end of infrared communication unit is connected with handheld palm machine infrared output end, the external USB flash disk of USB interface unit input, RS485 interface unit input with have the RS485 interface the acquisition terminal output is connected, RS232 interface unit input with acquisition terminal RS232 interface connection, GPRS communication unit and main website both way junction.
As a further technical scheme of the utility model, the output of electric wire netting power is connected to power management unit input.
The utility model discloses still disclose a monitored control system: the monitoring system comprises a novel 24-hour acquisition terminal field monitoring device and a terminal layer consisting of acquisition terminals connected with the monitoring device, wherein the technical scheme is applied to the monitoring system; the monitoring system further comprises a communication channel and a master station layer, wherein the terminal layer is communicated with the master station layer through the communication channel, and the acquisition terminal is connected with the monitoring equipment through RS 232.
As a further technical scheme of the utility model, communication channel realizes data communication for based on GPRS communication unit or 4G communication module.
As a further technical scheme of the utility model, the master station in situ is provided with the server.
Has the positive and beneficial effects that:
the utility model discloses a 24 hours on-line monitoring acquisition terminal, data transmission such as the real-time running state and the real-time power consumption condition through the GPRS communication unit with acquisition terminal to the surveillance center, and inquire through the control message information to returning by relevant personnel, statistics and analysis, in time go the on-the-spot processing trouble, thereby improved the reliability of product, reduce power supply enterprise's economic loss, and bring the convenience for electric power personnel's work, exerted positive meaning to improving electric wire netting operation management level, the utility model discloses still construct the monitored control system who comprises terminal layer, communication channel and main website layer, realized acquisition terminal's long-range on-line monitoring, upper management center needn't be on-the-spot, can realize acquisition terminal's long-range on-line real time monitoring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise, wherein:
FIG. 1 is a schematic diagram of the connection of each unit of the monitoring device of the present invention;
fig. 2 is a diagram of the monitoring system of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that the embodiments described herein are merely illustrative and explanatory of the present invention, and are not restrictive of the invention.
As shown in figure 1, a novel 24 hours acquisition terminal field monitoring equipment, monitoring equipment includes high performance microprocessor, power management unit, metering unit, display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit, high performance microprocessor respectively with display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit both way junction, the metering unit output is connected with high performance microprocessor input, power management unit output is connected with high performance microprocessor input.
In a further embodiment, the high-performance microprocessor is an ARM9 series central processing unit CPU, the CPU master frequency is 200MHz, the CPU external bus frequency is 66MHz, a Linux operating system interface is arranged in the CPU, the Linux operating system interface is provided with a light database SQLITE interface, and a file system interface is arranged in the light database SQLITE interface, so that the maintenance and the upgrade are facilitated.
In a further embodiment, the metering unit body is a high-precision metering chip, and the model of the high-precision metering chip is as follows: RN8302B, at 5000: within a dynamic range of 1, the nonlinear error is less than 0.1 percent, and the precision requirements of 0.5S and 0.2S electric energy meters are met.
In the above embodiment, the metering unit further includes: the high-precision measurement circuit comprises a voltage sampling circuit, a current sampling circuit and an amplifying circuit, wherein the output end of a high-precision measurement chip is connected with the input end of a high-performance microprocessor, the input end of the high-precision measurement chip is connected with the output end of the amplifying circuit, the input end of the amplifying circuit is respectively connected with the output ends of the voltage sampling circuit and the current sampling circuit, and the input ends of the voltage sampling circuit and the current sampling circuit are connected with a power transmission line. After the voltage and the current are respectively sampled by the sampling circuit, the voltage and the current are sent to the amplifying circuit for buffering and amplifying, and then are converted into digital signals by the high-precision metering chip, and the high-performance microcontroller is responsible for analyzing and processing data. The electric quantity measured by the monitoring equipment can be compared with the electric quantity measured by the monitored acquisition terminal, so that second-level real-time data refreshing is realized, and the aim of checking is fulfilled.
In a further embodiment, the display unit main body is a 160 × 160 industrial dot matrix liquid crystal display, the display mode of the display screen is a dot matrix form and is backlight display, the display menu of the display screen is a full Chinese menu interface, the display screen is provided with 6 input keys, and the display end of the display screen is set to display voltage, current, power or metering data, so that second-level real-time data refreshing is realized.
In a further embodiment, the storage units are 64MB of synchronous dynamic random access memory SDRAM and 256MB of NAND Flash, which have large storage capacity, and can store operation data of the acquisition terminal, uplink communication messages, downlink communication messages, terminal logs, fault information and the like, and upload the operation data, the uplink communication messages, the downlink communication messages, the terminal logs, the fault information and the like to the master station, and store data of the communication messages, the logs and the like for two months, so that designers can conveniently inquire, count and analyze the data of the communication messages and the like.
In a further embodiment, the infrared input end of the infrared communication unit is connected with the infrared output end of the handheld palm machine, the input end of the USB interface unit is externally connected with a USB flash disk, the input end of the RS485 interface unit is connected with the output end of the acquisition terminal with an RS485 interface, the input end of the RS232 interface unit is connected with an RS232 interface of the acquisition terminal, and the GPRS communication unit is bidirectionally connected with the master station.
In a further embodiment, the infrared communication unit is mainly used for manually setting some parameter information to the monitoring device, after the parameter information to be set is set on the handheld palm computer, the handheld palm computer is aligned with the infrared receiving tube on the monitoring device and presses a determination key, and the microprocessor receives and processes the information. The USB interface unit is mainly used for software upgrading of the monitoring equipment, a program to be upgraded is copied into the USB flash disk, the USB flash disk is inserted into the USB interface, the monitoring equipment can automatically upgrade a new program, data such as monitoring messages can be copied through the USB interface, and the monitoring equipment can be convenient for designers to analyze. The RS485 interface unit is used for connecting an acquisition terminal with an RS485 interface, carrying out maintenance work such as parameter setting and the like, and can also be used for on-site reading electric energy data. The RS232 interface unit is mainly used for monitoring the running state of the acquisition terminal, the monitoring equipment is connected with the on-site acquisition terminal through the RS232 interface line, and the running state of the acquisition terminal can be seen on the main station by uploading the running state to the main station through the GPRS communication unit, so that the fault reason of the acquisition terminal can be conveniently found.
In specific application, the GPRS communication unit is mainly used for remote communication between the monitoring equipment and a master station, can report information such as real-time running state and real-time power utilization condition of the acquisition terminal to the master station, can also receive command information sent by the master station, and is an information bridge between the master station and the monitoring equipment.
In a specific application, the input end of the power management unit is connected with the output end of a power supply, and the power supply is a power transmission line. The power management unit is a power source spring for monitoring equipment, when 220V alternating current is input, the converted power is obtained through power conversion to supply power for each unit, and the power management unit is a basis for normal operation of the equipment,
The monitoring equipment is connected with a field acquisition terminal through an RS232 interface line, a metering unit, a display unit, a storage unit, an infrared communication unit, a USB interface unit, an RS485 interface unit, an RS232 interface unit, a GPRS communication unit and the like of the acquisition terminal are monitored in real time, second-level real-time data refreshing is achieved, operation data, uplink communication messages, downlink communication messages, terminal logs, fault information and the like of the acquisition terminal are uploaded to a master station, and designers inquire, count and analyze data such as the communication messages and the like, find out fault reasons and remove faults in time.
As shown in fig. 2, the utility model discloses still disclose a monitored control system: the monitoring system comprises a novel 24-hour acquisition terminal field monitoring device and a terminal layer formed by acquisition terminals connected with the monitoring device, wherein the novel 24-hour acquisition terminal field monitoring device is applied to the monitoring system; the monitoring system also comprises a communication channel and a master station layer, wherein the terminal layer communicates with the master station layer through the communication channel. And the third level comprises a communication channel formed by different devices, wherein the terminal layer comprises an acquisition terminal and a monitoring device which are arranged on a distribution network line, and the acquisition terminal and the monitoring device are communicated through RS 232. The utility model discloses a realize data communication based on GPRS communication unit or 4G communication module. And a server is arranged in the main station layer. The monitoring equipment transmits monitoring data to the master station server by using a mobile network communication channel in a GPRS or 4G mode, so that the monitoring and positioning functions of acquiring terminal information are realized. When a fault occurs, the monitoring equipment transmits fault information to the main station, the main station system gives out sound and light alarm when receiving the fault information, and monitoring center personnel inform power operation personnel to arrive at the site according to the prompt of the main station so as to timely remove the fault, so that the working efficiency is improved to a great extent.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are merely illustrative and that various omissions, substitutions and changes in the form and details of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the above-described method steps to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is to be limited only by the following claims.
Claims (10)
1. The utility model provides a novel 24 hours acquisition terminal field monitoring equipment which characterized in that: the supervisory equipment includes high performance microprocessor, power management unit, measurement unit, display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit, high performance microprocessor respectively with display element, memory cell, infrared communication unit, USB interface unit, RS485 interface unit, RS232 interface unit and GPRS communication unit both way junction, the measurement unit output with the high performance microprocessor input is connected, the power management unit output with the high performance microprocessor input is connected.
2. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the high-performance microprocessor is an ARM9 series Central Processing Unit (CPU), the CPU master frequency is 200MHz, the CPU external bus frequency is 66MHz, a Linux operating system interface is arranged in the CPU, the Linux operating system interface is provided with a light database SQLITE interface, and a file system interface is arranged in the light database SQLITE interface.
3. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the measurement unit main part is high accuracy measurement chip, high accuracy measurement chip model is: RN8302B, at 5000: within 1 dynamic range, the nonlinear error is less than 0.1%, the metering unit further comprises a voltage sampling circuit, a current sampling circuit and an amplifying circuit, wherein the output end of the high-precision metering chip is connected with the input end of the high-performance microprocessor, the input end of the high-precision metering chip is connected with the output end of the amplifying circuit, the input end of the amplifying circuit is respectively connected with the output ends of the voltage sampling circuit and the current sampling circuit, and the input ends of the voltage sampling circuit and the current sampling circuit are connected with a power transmission line.
4. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the display unit main body is a 160 x 160 industrial dot matrix liquid crystal display, the display mode of the display screen is a dot matrix form and is backlight display, the display menu of the display screen is a full Chinese menu interface, the display screen is provided with 6 input keys, and the display end of the display screen is set to display voltage, current, power or metering data.
5. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the storage units are 64MB of synchronous dynamic random access memory SDRAM and 256MB of NAND Flash memory NAND Flash.
6. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the infrared input end of the infrared communication unit is connected with the infrared output end of the handheld palm machine, the input end of the USB interface unit is externally connected with a USB flash disk, the input end of the RS485 interface unit is connected with the output end of the acquisition terminal with an RS485 interface, the input end of the RS232 interface unit is connected with the RS232 interface of the acquisition terminal, and the GPRS communication unit is in two-way connection with the master station.
7. The novel 24-hour acquisition terminal field monitoring device according to claim 1, characterized in that: the input end of the power management unit is connected with the output end of the power grid power supply.
8. A monitoring system, characterized by: the monitoring system comprises a terminal layer which is formed by novel 24-hour acquisition terminal field monitoring equipment and acquisition terminals connected with the monitoring equipment, wherein the novel 24-hour acquisition terminal field monitoring equipment is applied to any one of claims 1 to 7; the monitoring system further comprises a communication channel and a master station layer, wherein the terminal layer is communicated with the master station layer through the communication channel, and the acquisition terminal is connected with the monitoring equipment through RS 232.
9. A monitoring system according to claim 8, characterized in that: the communication channel realizes data communication based on a GPRS communication unit or a 4G communication module.
10. A monitoring system according to claim 8, characterized in that: and a server is arranged in the main station layer.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111105610A (en) * | 2020-01-16 | 2020-05-05 | 郑州三晖电气股份有限公司 | Novel 24-hour acquisition terminal field monitoring equipment and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111105610A (en) * | 2020-01-16 | 2020-05-05 | 郑州三晖电气股份有限公司 | Novel 24-hour acquisition terminal field monitoring equipment and implementation method thereof |
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Effective date of registration: 20210831 Address after: 450000 third floor, power instrument building, No. 85, Fifth Street, Zhengzhou area (Economic Development), pilot Free Trade Zone, Zhengzhou City, Henan Province Patentee after: Zhengzhou Sanhui Electronic Technology Co.,Ltd. Address before: 450000 three Hui Industrial Park, No. fifth, 85 street, Zhengzhou economic and Technological Development Zone, Henan Patentee before: ZHENGZHOU SMS ELECTRIC Co.,Ltd. |