CN211089656U - Air interface device capable of connecting multiple signal terminals - Google Patents
Air interface device capable of connecting multiple signal terminals Download PDFInfo
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- CN211089656U CN211089656U CN201922393001.8U CN201922393001U CN211089656U CN 211089656 U CN211089656 U CN 211089656U CN 201922393001 U CN201922393001 U CN 201922393001U CN 211089656 U CN211089656 U CN 211089656U
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Abstract
The utility model discloses a can connect empty device at multichannel signal terminal, including host system, terminal signal conversion module, wireless signal conversion module, communication module, human-computer interface module, clock management module, power module. The utility model discloses an accessible terminal signal conversion module is connected with the inside a plurality of signal terminals of transformer substation, sends, receives wireless signal through wireless signal conversion module, and host system carries out unified management and control through other modules of bus connection. The utility model discloses a simplify the inside wireless communication's of transformer substation network framework, made things convenient for the global design and the equipment maintenance of transformer substation.
Description
Technical Field
The utility model belongs to the technical field of relay protection's communication system, concretely relates to air interface device that can connect multichannel signal terminal.
Background
Along with popularization and application of the wireless communication technology in a transformer substation, the demand of using the wireless communication technology for relay protection is more and more. The relay protection devices need to perform signal conversion through the air interface devices, if each protection device is provided with one air interface device to perform conversion between a terminal signal and a wireless signal, a plurality of air interface devices are distributed in the transformer substation, and great difficulty is brought to the overall design and equipment maintenance of the transformer substation.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a can connect multichannel signal terminal's empty port device to the empty port device that exists sets up more problem among the solution prior art.
Realize above-mentioned technical purpose, the utility model discloses a following technical scheme realizes:
an air interface device capable of connecting with a multipath signal terminal comprises a bus; the bus is connected with a main control module, a terminal signal conversion module and a wireless signal conversion module; the main control module is simultaneously connected with the terminal signal conversion module and the wireless signal conversion module; the terminal signal conversion module is used for connecting a plurality of signal terminals; the wireless signal conversion module is used for converting wireless signals into each other.
Furthermore, the terminal signal conversion module is provided with an external signal terminal interface.
Further, the number of the external signal terminal interfaces is greater than or equal to 2.
Further, the wireless signal conversion module includes an antenna.
Further, the number of the antennas is greater than or equal to 1.
Further, the bus is also connected with a communication module; the communication module is used for being connected with an external monitoring system.
Further, the communication module includes a communication interface.
Further, the number of the communication interfaces is greater than or equal to 1.
Furthermore, the bus is also connected with a human-computer interface module, a clock management module and a power supply module.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
the utility model provides a plurality of relay protection devices can be connected to empty device that can connect multichannel signal terminal, through the setting of terminal signal conversion module, can realize that a plurality of relay protection devices use same empty device to carry out radio communication, has greatly simplified the configuration strategy of the equipment of transformer substation's radio communication empty device, makes things convenient for the global design and the equipment maintenance of transformer substation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an application connection diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
For simplicity of description, the "device" described below is an abbreviated form of "air interface device".
The device shown in fig. 1 and 2 includes a main control module, the main control module includes a bus for connecting each module and an interface for performing multi-channel signal terminal and wireless signal interaction, the bus is divided into an address bus, a data bus, a control bus, a communication bus and a power supply bus, and the bus is used for performing unified management and control on each module in the device.
The main control module is connected with a terminal signal conversion module, a wireless signal conversion module, a clock management module, a man-machine interface module, a communication module and a power supply module through a bus.
The basic design idea of the device is as follows: the device is connected with a plurality of signal terminals through communication lines, a terminal signal conversion module is responsible for the mutual conversion of signals of the signal terminals and internal data of the device, a main control module is responsible for the processes of scheduling, encryption, decryption, frame format packaging, frame format unpacking and the like of the internal data forwarding of the device, a wireless data conversion module is responsible for processing the mutual conversion of wireless signals and the internal data of the device, a clock management module provides time marks for other modules of the device, and a power supply module provides power for other modules.
Specifically, the terminal signal conversion module is connected with a plurality of signal terminals, and the wireless signal conversion module receives and transmits wireless signals through a plurality of antennas.
The main control module is connected with the terminal signal conversion module and the wireless signal conversion module in a bus mode, and is used for mutual conversion of the device internal signals converted by the terminal signals and the device internal signals converted by the wireless signals, and comprises the processes of scheduling, encryption, decryption, frame format packing, frame format unpacking and the like of mutual conversion of device internal data. The terminal signal conversion module comprises a terminal signal interface and a terminal signal coding and decoding chip, the terminal signal interface is connected with the terminal signal processing chip, and the terminal signal conversion module is connected with the plurality of signal terminals through communication lines to exchange information and is used for mutually converting electric signals of the signal terminals and internal data of the device.
The wireless signal conversion module comprises an antenna and a wireless signal coding and decoding chip, wherein the antenna is connected with the wireless signal coding and decoding chip, and the wireless signal conversion module is used for mutually converting internal signals and external wireless signals of the device.
The terminal signal conversion module is provided with an external signal terminal interface and comprises N interfaces, wherein N is an integer greater than or equal to 2, and the external signal terminal interfaces are in the same or different forms.
The wireless signal conversion module also comprises M antennas, wherein M is an integer greater than or equal to 1, and the antennas are in the same or different forms.
The system also comprises a communication module which is used for being connected with an external monitoring system; the communication module comprises X communication interfaces, X is an integer greater than or equal to 1, and the communication interfaces are in the same or different forms.
The communication interface comprises an Ethernet interface, a 232 communication interface and a 485 communication interface, is connected with the monitoring system through the Ethernet interface, the 232 communication interface or the 485 communication interface, can flexibly configure the interface form and the number according to the actual requirement, and the communication unit carries out information interaction with the device main control module through an internal bus.
The communication module feeds back the device state information to the monitoring system, and the monitoring system can also operate the device through the communication module.
The man-machine interface module comprises an independent processor, a display and a key, the independent processor acquires the state of the device through an internal bus and displays the state on the display, the key is used for setting the parameters of the device on the display, the setting information is connected with the main control unit through the internal bus, and the setting information is uniformly managed by the main control module.
The device also comprises a clock management module and a power supply module, wherein the clock management module and the power supply module are connected into the device through a bus.
The clock management module comprises a clock processing chip and a clock receiving physical interface, wherein the clock processing chip is connected with the clock receiving physical interface and acquires and analyzes a clock signal from an external clock source.
The device also comprises a power supply module which provides a stable power supply for the device through an internal power bus.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. An air interface device capable of connecting with a multipath signal terminal is characterized by comprising a bus; the bus is connected with a main control module, a terminal signal conversion module and a wireless signal conversion module; the main control module is simultaneously connected with the terminal signal conversion module and the wireless signal conversion module; the terminal signal conversion module is used for connecting a plurality of signal terminals; the wireless signal conversion module is used for converting wireless signals into each other.
2. The air interface device of claim 1, wherein the terminal signal conversion module is configured with an external signal terminal interface.
3. The air interface device of claim 2, wherein the number of external signal terminal interfaces is greater than or equal to 2.
4. The air interface device of claim 1, wherein the wireless signal conversion module comprises an antenna.
5. The air interface device of claim 4, wherein the number of antennas is greater than or equal to 1.
6. The air interface device of claim 1, wherein the bus is further connected to a communication module; the communication module is used for being connected with an external monitoring system.
7. The air interface device of claim 6, wherein the communication module comprises a communication interface.
8. The air interface device of claim 7, wherein the number of communication interfaces is greater than or equal to 1.
9. The air interface device of claim 7, wherein the bus further comprises a human-machine interface module, a clock management module, and a power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393001.8U CN211089656U (en) | 2019-12-27 | 2019-12-27 | Air interface device capable of connecting multiple signal terminals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922393001.8U CN211089656U (en) | 2019-12-27 | 2019-12-27 | Air interface device capable of connecting multiple signal terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211089656U true CN211089656U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922393001.8U Active CN211089656U (en) | 2019-12-27 | 2019-12-27 | Air interface device capable of connecting multiple signal terminals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211089656U (en) |
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2019
- 2019-12-27 CN CN201922393001.8U patent/CN211089656U/en active Active
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