CN209746097U - Excitation system comprehensive detection device based on GPRS remote transmission - Google Patents
Excitation system comprehensive detection device based on GPRS remote transmission Download PDFInfo
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- CN209746097U CN209746097U CN201920181388.8U CN201920181388U CN209746097U CN 209746097 U CN209746097 U CN 209746097U CN 201920181388 U CN201920181388 U CN 201920181388U CN 209746097 U CN209746097 U CN 209746097U
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Abstract
The utility model provides a detection device is synthesized to excitation system based on GPRS remote transmission, including being used for carrying out the detection control module who synthesizes the detection to excitation system, detect control module and connect excitation system, excitation system still connects cloud ware through the GPRS module, and the customer end is connected to cloud ware. The detection control module sends the acquired data to the cloud server through the GPRS network, the client side initiates a data request to the cloud server through the unique ID of the detection control module, the cloud server responds to the request and sends data information to the client side, information interaction of the system is achieved, and therefore remote monitoring of the excitation system by the client side is achieved. The utility model discloses can realize real-time connection with the excitation system master control, carry out data sampling and analysis to pass through GPRS network remote transmission to customer end to data, the accessible customer end carries out real-time, remote monitoring, and this degree of automation that has greatly improved equipment has improved work efficiency.
Description
Technical Field
The utility model relates to an excitation system comprehensive testing device based on GPRS teletransmission belongs to excitation system's remote monitoring technical field.
Background
The excitation system is an important component of the generator and plays an important role in stabilizing the power system. The comprehensive detection device of the excitation system is used as a matching device of the excitation system, and can realize the transmission and setting of the state parameters of the excitation system, thereby solving the existing problem of insufficient parameters of the excitation system.
with the wide application of wireless communication technology, remote control also becomes a hot topic in the field of excitation systems. The GPRS technology has the characteristics of convenient network connection, quick transmission, wide coverage range, low charge and the like, and if the GPRS technology can be applied to the control of an excitation system, the aims of improving the working efficiency and enhancing the automation degree of equipment can be achieved. However, there is no such application example in the prior art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to apply the GPRS technology to the control of an excitation system so as to improve the working efficiency and strengthen the automation degree of equipment.
In order to solve the technical problem, the technical scheme of the utility model provide an excitation system comprehensive testing device based on GPRS teletransmission, its characterized in that: the system comprises a detection control module for comprehensively detecting an excitation system, wherein the detection control module is connected with the excitation system, the excitation system is also connected with a cloud server through a GPRS (general packet radio service) module, and the cloud server is connected with a client.
Preferably, the detection control module includes:
The main CPU module is used as a logic controller and mainly realizes the acquisition and analysis of digital quantity and analog quantity signals;
The slave CPU module is responsible for communication and respectively realizes communication with the excitation system and the GPRS module;
the secondary CPU module is connected with the excitation system and the GPRS module, and the main CPU module is connected with the secondary CPU module.
More preferably, the main CPU module uses a DSP chip.
More preferably, the slave CPU module adopts an ARM chip.
More preferably, the main CPU module is further connected to a local control unit for field excitation system detection.
furthermore, the local control unit comprises a DI module, a DO module, an AI module and an AO module, wherein the DI module and the DO module are connected with the main CPU module; the AI module is connected with a filter circuit, and the filter circuit is connected with the main CPU module through a first analog-to-digital converter; the main CPU module is connected with a matching circuit through a second analog-to-digital converter, and the matching circuit is connected with the AO module.
The utility model provides a during excitation system comprehensive testing device uses based on GPRS teletransmission, detect that control module sends the data of gathering to cloud ware through the GPRS network, the customer end launches data request to cloud ware through detecting the only ID of control module, cloud ware response request to send data information to the customer end, the information interaction of realization system, thereby accomplish the remote monitoring of customer end to excitation system.
The device provided by the utility model overcome prior art not enough, can realize real-time connection with the excitation system master control, carry out data sampling and analysis to pass through GPRS network remote transmission to customer end to data, the accessible customer end carries out real-time, remote monitoring, and this degree of automation that has greatly improved equipment has improved work efficiency.
drawings
fig. 1 is a schematic structural diagram of an excitation system comprehensive detection device based on GPRS remote transmission according to this embodiment;
Fig. 2 is a hardware logic block diagram of the excitation system comprehensive detection device based on GPRS remote transmission according to this embodiment.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Fig. 1 is a schematic structural diagram of an excitation system comprehensive detection device based on GPRS remote transmission according to this embodiment, where the excitation system comprehensive detection device based on GPRS remote transmission includes a detection control module, and the detection control module is controlled by a DSP + ARM master-slave dual CPU. The main CPU module DSP is used as a logic controller and mainly realizes the acquisition and analysis of digital quantity and analog quantity signals. The slave CPU module ARM is mainly responsible for communication and respectively realizes communication with the excitation system and the GPRS module. The GPRS module is connected with the cloud server, and the client side can remotely monitor the excitation system through the cloud server.
The data transmission flow of the excitation system comprehensive detection device based on GPRS remote transmission provided by this embodiment is as follows: the detection control module sends the acquired data to the cloud server through the GPRS network, the client side initiates a data request to the cloud server through the unique ID of the detection control module, the cloud server responds to the request and sends data information to the client side, information interaction of the system is achieved, and therefore remote monitoring of the excitation system by the client side is achieved.
Fig. 2 is the utility model discloses excitation system comprehensive testing device's based on GPRS teletransmission hardware logic diagram. As shown in fig. 2, the TMS320F28335 manufactured by TI corporation and used by the main control chip DSP of the apparatus has high cost performance, and has strong data processing capability and operation speed. TMS320F28335 is used as a logic controller of the system and mainly completes the acquisition and analysis of digital quantity and analog quantity signals.
The slave control chip ARM of the system adopts STM32F103 series chips produced by ST company, and STM32 is based on Cortex-M3 kernel and is an ARM chip with high integration level, easy development and excellent cost performance. The STM32F103 is connected with the DSP through an internal communication protocol to complete data exchange with the DSP; meanwhile, the data exchange with each control channel of the excitation system is completed through the connection of an MODBUS communication protocol and the excitation system. The STM32F103 also connects the LED modules.
The GPRS module adopts an industrial grade double-frequency GSM/GPRS module of SIMCOM company, supports functions of short message, voice, GPRS data transmission and the like, and has the characteristics of stable performance and high cost performance.
STM32F103 connects to the network through the SIM900A module. And programming according to the related protocol by adopting C language so as to complete the connection with the cloud server. The client displays the real-time running state and the alarm state of the excitation system, and meanwhile, an operator can set parameters according to actual conditions.
in addition, in order to prevent the situation that data is lost and remote control cannot be carried out due to the fact that GPRS network connection is not smooth, the system is provided with a local mode and a remote mode. The local mode is provided with a plurality of paths of DI modules, DO modules, AI modules and AO modules, and the DI modules and the DO modules are connected with the TMS320F 28335. The AI module is connected with a filter circuit, and the filter circuit is connected with TMS320F28335 through a first analog-to-digital converter. TMS320F28335 is connected with a matching circuit through a second analog-to-digital converter, and the matching circuit is connected with the AO module. After the on-site mode is started, the comprehensive detection of the excitation system can be realized on site.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the method of the present invention, and such modifications and additions are also considered to be within the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an excitation system comprehensive testing device based on GPRS teletransmission which characterized in that: the system comprises a detection control module for comprehensively detecting an excitation system, wherein the detection control module is connected with the excitation system, the excitation system is also connected with a cloud server through a GPRS (general packet radio service) module, and the cloud server is connected with a client.
2. The excitation system comprehensive detection device based on GPRS remote transmission of claim 1, characterized in that: the detection control module includes:
The main CPU module is used as a logic controller and mainly realizes the acquisition and analysis of digital quantity and analog quantity signals;
The slave CPU module is responsible for communication and respectively realizes communication with the excitation system and the GPRS module;
The secondary CPU module is connected with the excitation system and the GPRS module, and the main CPU module is connected with the secondary CPU module.
3. The excitation system comprehensive detection device based on GPRS remote transmission as claimed in claim 2, wherein: the main CPU module adopts a DSP chip.
4. The excitation system comprehensive detection device based on GPRS remote transmission as claimed in claim 2, wherein: the slave CPU module adopts an ARM chip.
5. The excitation system comprehensive detection device based on GPRS remote transmission as claimed in claim 2, wherein: the main CPU module is also connected with a local control unit for field excitation system detection.
6. the excitation system comprehensive detection device based on GPRS remote transmission of claim 5, characterized in that: the local control unit comprises a DI module, a DO module, an AI module and an AO module, wherein the DI module and the DO module are connected with the main CPU module; the AI module is connected with a filter circuit, and the filter circuit is connected with the main CPU module through a first analog-to-digital converter; the main CPU module is connected with a matching circuit through a second analog-to-digital converter, and the matching circuit is connected with the AO module.
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| CN201920181388.8U CN209746097U (en) | 2019-02-01 | 2019-02-01 | Excitation system comprehensive detection device based on GPRS remote transmission |
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| CN201920181388.8U CN209746097U (en) | 2019-02-01 | 2019-02-01 | Excitation system comprehensive detection device based on GPRS remote transmission |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111800470A (en) * | 2020-06-11 | 2020-10-20 | 国电南瑞科技股份有限公司 | Remote debugging and maintaining method and system for generator excitation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111800470A (en) * | 2020-06-11 | 2020-10-20 | 国电南瑞科技股份有限公司 | Remote debugging and maintaining method and system for generator excitation system |
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