CN211018409U

CN211018409U - Electric power fusion terminal

Info

Publication number: CN211018409U
Application number: CN201922434295.4U
Authority: CN
Inventors: 何宜霖; 刘红斌; 娄洪周; 何斌; 杨宏江
Original assignee: Nanjing Jiaruisi Electric Power Technology Co ltd
Current assignee: Nanjing Jiaruisi Electric Power Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-14
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an electric power fuses terminal. The signal access unit comprises a first RS485 concentrator, a switching value acquisition module, an analog value acquisition module, a wireless router, a second RS485 concentrator, an RS232-RJ45 conversion connector and an RJ45-RS232 conversion connector, and the first RS485 concentrator, the second RS485 concentrator, the RJ45-RS232 conversion connector and the communication module are respectively connected with the processor. The utility model discloses a signal access unit can receive that multiple supplementary measuring/monitor terminal sent if RS485 data, RS232 data, ethernet data, switching value signal and analog signal, ingenious with the multiplex signal fuse back together send convenient to use, and reduce the cost of electric power detection/monitoring.

Description

Electric power fusion terminal

Technical Field

The utility model relates to a power equipment field, concretely relates to electric power fusion terminal.

Background

Along with the development of science and technology, the terminal that uses in the electric power field is more and more, including main terminals such as FTU, DTU, TTU and RTU, still includes other multiple electric power terminals who accomplish supplementary detection/monitoring function, like electric power parameter auxiliary detection terminal and circuit safety intelligence auxiliary monitoring terminal etc.. The existing auxiliary detection/monitoring terminal generally sends detection signals and RS485 signals, RS232 signals and the like to terminals such as FTU, DTU, TTU, RTU and the like, and then further uploads the detection signals. Because the existing terminals are gradually increased, the existing terminals such as FTU, DTU, TTU and RTU can not meet excessive signal access, so that a plurality of auxiliary detection/monitoring terminals can only directly upload signals to the server, and thus, a large number of access points are added to the server, which is not beneficial to operation and monitoring and has higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric power fusion terminal to the not enough of prior art existence.

In order to achieve the above object, the utility model provides an electric power fusion terminal, including the signal access unit, with the treater of signal access unit connection and the communication module who is connected with the treater, the signal access unit includes first RS485 concentrator, switching value collection module, analog quantity collection module and wireless router, switching value collection module and analog quantity collection module are connected with second RS485 concentrator, wireless router is connected with a plurality of RS232-RJ45 crossover sub and a RJ45-RS232 crossover sub, first RS485 concentrator, second RS485 concentrator, RJ45-RS232 crossover sub and communication module are connected with the treater respectively.

Furthermore, the processor is further connected with a power module, and the power module comprises a switching power supply, a storage battery connected with the switching power supply and a voltage reduction circuit connected between the switching power supply, the storage battery and the processor.

Further, the communication module comprises one or any combination of an optical port, a 3G module and a 4G module.

Further, the switching value acquisition modules comprise a plurality of 8-path switching value acquisition modules of the type EMR-DI 16-H.

Furthermore, the analog quantity acquisition module comprises a plurality of 8 paths of 4-20mA inputs and 0-10V inputs, and the types of the inputs are KHAQ-12I and KHAQ-12V in sequence.

Further, the processor comprises an AVR single chip microcomputer and an STM32 series single chip microcomputer.

Has the advantages that: the utility model discloses a signal access unit can receive that multiple supplementary measuring/monitor terminal sent if RS485 data, RS232 data, ethernet data, switching value signal and analog signal, ingenious with the multiplex signal fuse back together send convenient to use, and reduce the cost of electric power detection/monitoring.

Drawings

Fig. 1 is a schematic structural diagram of an electric power convergence terminal according to an embodiment of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, an embodiment of the present invention provides an electric power integration terminal, which includes a signal access unit, a processor 1 connected to the signal access unit, and a communication module 2 connected to the processor 1. The processor 1 may be an AVR single chip microcomputer or an STM32 single chip microcomputer. The signal access unit is used for accessing output signals or acquired signals of various nearby auxiliary detection/monitoring terminals and comprises a first RS485 concentrator 3, a switching value acquisition module 4, an analog value acquisition module 5 and a wireless router 6. The switching value acquisition module 4 is used for accessing a switching value input signal of the auxiliary detection/monitoring terminal, the analog value acquisition module 5 is used for accessing an analog value output signal of the auxiliary detection/monitoring terminal, the switching value acquisition module 4 and the analog value acquisition module 5 are both provided with RS485 output interfaces, and the switching value acquisition module 4 and the analog value acquisition module 5 are connected with a second RS485 concentrator 7. Besides the wireless router 6 is used for receiving the ethernet signals, the wireless router 6 is connected with a plurality of RS232-RJ45 adapters 8 and an RJ45-RS232 adapter 9, the RS232-RJ45 adapter 8 is used for receiving RS232 signals output by the auxiliary detection/monitoring terminal, converting the RS232 signals into RJ45 signals and outputting the RJ45 signals, and then collecting and accessing the wireless router 6. And the RJ45-RS232 converts the RJ45 collected by the wireless router 6 into an RS232 signal. First RS485 concentrator 3, second RS485 concentrator 7, RJ45-RS232 crossover sub 9 is connected with treater 1 respectively, and then, the RS485 signal of supplementary detection/monitor terminal output, the RS232 signal, switching value signal and analog signal all can be received by treater 1, communication module 2 is connected with treater 1, communication module 2 can adopt the optical port module, one or arbitrary combination in 3G module and the 4G module, and then send the signal after 1 fuses of treater through communication module 2.

The processor 1 is further connected with a power module, and the power module comprises a switching power supply 10, a storage battery 11 connected with the switching power supply 10, and a voltage reduction circuit 12 connected between the switching power supply 10 and the storage battery 11 and the processor 1. The switching power supply 10 is a mains supply (alternating current 220V) input, preferably a direct current 12V output, the storage battery 11 is rated as a direct current 12V, and 12V voltage output by the switching power supply 10 can supply power to the first RS485 hub 3, the second RS485 hub 7, the switching value acquisition module 4, the analog value acquisition module 5 and the wireless router 6. The voltage reduction circuit 12 converts the input direct current 12V voltage into direct current 3.6V voltage, and then supplies power to the processor 1 and the communication module 2.

The switching value acquisition module 4 of the embodiment of the present invention can adopt an 8-way switching value acquisition module, and the preferred model is EMR-DI 16-H. When the switching value signal of the auxiliary detection/monitoring terminal needing to be accessed exceeds 8 paths, an 8-path switching value acquisition module can be directly added. The analog quantity acquisition module 5 comprises 8 paths of 4-20mA input and 0-10V input, so that 4-20mA analog quantity signals and 0-10V analog quantity signals can be received, the preferred model of the analog quantity acquisition module with 4-20mA input is KHAQ-12I, and the preferred model of the analog quantity acquisition module with 0-10V input is KHAQ-12V. When the analog quantity signal of the auxiliary detection/monitoring terminal needing to be accessed exceeds 8 paths, an 8-path analog quantity acquisition module can be directly added. The first RS485 hub 3 and the second RS485 hub 7 can adopt RS485 hubs with the model number of UT-5204, and maximally support 4-path input.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described belong to the prior art or the common general knowledge to those skilled in the art. Without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric power fusion terminal, its characterized in that, includes the signal access unit, with the treater that the signal access unit is connected and the communication module who is connected with the treater, the signal access unit includes first RS485 concentrator, switching value acquisition module, analog quantity acquisition module and wireless router, switching value acquisition module and analog quantity acquisition module are connected with second RS485 concentrator, wireless router is connected with a plurality of RS232-RJ45 crossover sub and an RJ45-RS232 crossover sub, first RS485 concentrator, second RS485 concentrator, RJ45-RS232 crossover sub and communication module are connected with the treater respectively.

2. The power convergence terminal of claim 1 wherein the processor is further coupled to a power module comprising a switching power supply, a battery coupled to the switching power supply, and a voltage reduction circuit coupled between the switching power supply and the battery and the processor.

3. The power convergence terminal of claim 1, wherein the communication module comprises one or any combination of an optical port, a 3G module and a 4G module.

4. The power fusion terminal of claim 1, wherein the switching value acquisition modules comprise 8-way switching value acquisition modules of the type EMR-DI 16-H.

5. The power fusion terminal of claim 1, wherein the analog acquisition module comprises 8 4-20mA inputs and 0-10V inputs, and the analog acquisition module has KHAQ-12I and KHAQ-12V inputs.

6. The power fusion terminal of claim 1, wherein the processor comprises an AVR single chip microcomputer and an STM32 series single chip microcomputer.