CN210836548U - Online system of electricity consumption information acquisition equipment in no-signal area - Google Patents
Online system of electricity consumption information acquisition equipment in no-signal area Download PDFInfo
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- CN210836548U CN210836548U CN201922050501.1U CN201922050501U CN210836548U CN 210836548 U CN210836548 U CN 210836548U CN 201922050501 U CN201922050501 U CN 201922050501U CN 210836548 U CN210836548 U CN 210836548U
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Abstract
The utility model provides a no signal area power consumption information acquisition equipment's last linear system belongs to the electric power field, include: the power utilization information acquisition equipment is arranged in a signal-free area; the external communication main module is arranged on the information acquisition equipment and is connected with the electricity utilization information acquisition equipment; the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission. The utility model discloses an optic fibre is with no signal area's power consumption information acquisition equipment's data transmission to there being signal area to realize information acquisition equipment's last line, data transmission is stable, postpone for a short time and can super remote transmission, has solved the signal attenuation defect such as delay that current middling pressure carrier wave mode exists.
Description
Technical Field
The utility model belongs to the electric power field, concretely relates to no signal area power consumption information acquisition equipment's online system.
Background
The concentrator is a central management device and a control device of a remote centralized meter reading system and is responsible for regularly reading terminal data, command transmission of the system, data communication, network management, event recording, transverse transmission of data and other functions. In the electric power meter reading system, sometimes the concentrator is installed in an area without signals or with poor signals, so that the concentrator is off-line and data transmission cannot be completed.
At present, the problem of on-line of a concentrator in a signal-free area is solved, a power line carrier communication mode is mostly adopted, specifically, a medium-voltage carrier communication mode is adopted, namely, a 10KV medium-voltage distribution line is used as a transmission channel, but the existing medium-voltage carrier communication mode has the defects of easy attenuation of data transmission, signal delay and the like.
SUMMERY OF THE UTILITY MODEL
Based on the above background problem, the utility model aims at providing a no signal area power consumption information acquisition equipment's system of going on line adopts optic fibre to be connected no signal area's external communication primary module and setting at the external communication secondary module that has signal area to realize power consumption information acquisition equipment's the line loading, solved the signal that prior art exists and weaken delay scheduling problem.
In order to achieve the above purpose, the utility model provides a technical scheme is:
an online system of a signal-free area power utilization information acquisition device comprises: the power utilization information acquisition equipment is arranged in a signal-free area; the external communication main module is arranged on the power utilization information acquisition equipment; the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission.
Preferably, a first photoelectric conversion module is connected between the external communication main module and the optical fiber to convert the 485 signal into an optical signal.
In one embodiment, the external communication main module is connected with the first photoelectric conversion module through a network cable; the RXD A core wire of the network cable is connected with the RXD-port of the first photoelectric conversion module, the RXD B core wire is connected with the RXD + port of the first photoelectric conversion module, the T/R A core wire is connected with the T/R-port of the first photoelectric conversion module, and the T/R B core wire is connected with the T/R + port of the first photoelectric conversion module.
Preferably, a second photoelectric conversion module is connected between the optical fiber and the external communication slave module to convert the optical signal into a 485 signal.
In one embodiment, the external communication slave module is connected with the second photoelectric conversion module through a network cable; the RXD A core wire of the network cable is connected with the RXD + port of the second photoelectric conversion module, the RXD B core wire is connected with the RXD-port of the second photoelectric conversion module, the T/R A core wire is connected with the T/R + port of the second photoelectric conversion module, and the T/R B core wire is connected with the T/R-port of the second photoelectric conversion module.
The transmitting port of the first photoelectric conversion module is connected with the receiving port of the second photoelectric conversion module through an optical fiber, and the receiving port of the first photoelectric conversion module is connected with the transmitting port of the second photoelectric conversion module through an optical fiber.
The distance between the external communication master module and the external communication slave module is 0.3-20 km.
Compared with the prior art, the utility model discloses following effect has:
1. the utility model discloses an optic fibre is connected the external communication primary module in no signal area and the external communication secondary module that sets up in there being signal area, and data transmission is stable, postpone for a short time and can super long-range transmission, has solved the signal attenuation defect such as delay that current middling pressure carrier wave mode exists.
2. When the 485 signal is output by the electricity information acquisition equipment, the 485 signal is converted into an optical signal by the first photoelectric conversion module, and then the optical signal is transmitted by an optical fiber; when the output of the electricity information acquisition equipment is directly an optical signal, the electricity information acquisition equipment can be directly connected with the optical fiber.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of an on-line system of power consumption information acquisition equipment in a signal-free area according to an embodiment of the present invention;
fig. 2 is a schematic connection diagram of the external communication master module and the external communication slave module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first" and "second" are used for convenience of description only and are not to be construed as indicating or implying relative importance. It should be noted that, the utility model discloses "power consumption information acquisition equipment" in the description includes concentrator and special change terminal.
In order to solve the defect that no signal area power consumption information acquisition terminal problem existed that reaches the standard grade was solved to current middling pressure carrier wave mode, the utility model also provides a no signal area power consumption information acquisition equipment system of going up, as shown in fig. 1, include: the power consumption information acquisition equipment 1 is arranged in a no-signal area; the external communication main module 2 is arranged on the power utilization information acquisition equipment 1; the external communication slave module 3 is arranged in a signal area and used for carrying out data transmission with the acquisition master station; and the optical fiber 4 is connected with the external communication master module 2 and the external communication slave module 3 and is used for data transmission.
Specifically, the power consumption information acquisition device 1 in this embodiment is a concentrator, the model of the concentrator is a DJGZ23-SX129J concentrator, and the external communication main module 2 is connected with the power consumption information acquisition device 1 through double rows of pins.
The port output of the external communication main module 2 of this embodiment is 485 signals, in order to transmit data through the optical fiber 4, the output end of the external communication main module 2 is connected with a first photoelectric conversion module 401, the first photoelectric conversion module 401 is connected with the optical fiber 4, the 485 signals are converted into optical signals through the first photoelectric conversion module 401, and the optical signals are transmitted through the optical fiber 4.
Specifically, as shown in fig. 2, the external communication main module 2 is connected to the external first photoelectric conversion module 401 through a network cable, an RXD a core of the network cable is connected to an RXD-port of the first photoelectric conversion module 401, an RXD B core is connected to an RXD + port of the first photoelectric conversion module 401, a T/R A core is connected to a T/R-port of the first photoelectric conversion module 401, and a T/R B core is connected to a T/R + port of the first photoelectric conversion module 401.
In this embodiment, the external communication slave module 3 is disposed 20.3-20 km away from the external communication master module, and may be disposed on a utility pole, for communicating with the collection master station, and may transmit data in the form of a SIM card. In order to convert the optical signal transmitted by the optical fiber 4, one end of the optical fiber 4, which is far away from the first photoelectric conversion module 401, is connected to a second photoelectric conversion module 402, which is used for converting the optical signal into a 485 signal, and the second photoelectric conversion module 402 is connected to the external communication slave module 3.
Specifically, as shown in fig. 2, a transmitting port of the first photoelectric conversion module 401 is connected to a receiving port of the second photoelectric conversion module 402 through an optical fiber 4, and the receiving port of the first photoelectric conversion module 401 is connected to a transmitting port of the second photoelectric conversion module 402 through the optical fiber 4.
The second photoelectric conversion module 402 of this embodiment is connected to the external communication slave module 3 through another network cable, an RXD a core wire of the network cable is connected to an RXD + port of the second photoelectric conversion module 402, an RXD B core wire is connected to an RXD-port of the second photoelectric conversion module 402, a T/R A core wire is connected to a T/R + port of the second photoelectric conversion module 402, and a T/R B core wire is connected to a T/R-port of the second photoelectric conversion module 402.
In this embodiment, the external communication slave module 3 is a ding-letter external 4G communication slave module (7 module) (EC20-CEFBK), and the external communication master module 2 is a ding-letter external 4G communication master module; the model of first photoelectric conversion module 401 and second photoelectric conversion module 402 is yutai UT-277MM, and what need explain is, the utility model discloses the concentrator that uses, external communication module, photoelectricity dress trade the module and be current product, consequently the utility model discloses will not carry out detailed description to its specific structure, circuit connection schematic diagram and theory of operation.
In another embodiment, if the electrical information collection device 1 directly outputs an optical signal, the optical-to-electrical conversion module is not needed for signal conversion.
It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. An online system of no signal area power consumption information acquisition equipment, characterized by comprising:
the power utilization information acquisition equipment is arranged in a signal-free area;
the external communication main module is arranged on the power utilization information acquisition equipment;
the external communication slave module is arranged in a signal area and used for carrying out data transmission with the acquisition master station;
the optical fiber is connected with the external communication master module and the external communication slave module and is used for data transmission;
a first photoelectric conversion module is connected between the external communication main module and the optical fiber to convert the 485 signal into an optical signal; and a second photoelectric conversion module is connected between the optical fiber and the external communication slave module so as to convert the optical signal into a 485 signal.
2. The system for connecting a power consumption information collection device to a signal-free area according to claim 1, wherein the external communication main module is connected to the first photoelectric conversion module through a network cable;
the RXD A core wire of the network cable is connected with the RXD-port of the first photoelectric conversion module, the RXD B core wire is connected with the RXD + port of the first photoelectric conversion module, the T/R A core wire is connected with the T/R-port of the first photoelectric conversion module, and the T/R B core wire is connected with the T/R + port of the first photoelectric conversion module.
3. The system of claim 2, wherein the external communication slave module is connected to the second photoelectric conversion module via a network cable;
the RXD A core wire of the network cable is connected with the RXD + port of the second photoelectric conversion module, the RXD B core wire is connected with the RXD-port of the second photoelectric conversion module, the T/R A core wire is connected with the T/R + port of the second photoelectric conversion module, and the T/R B core wire is connected with the T/R-port of the second photoelectric conversion module.
4. The system of claim 1, wherein the transmitting port of the first photoelectric conversion module is connected to the receiving port of the second photoelectric conversion module via an optical fiber, and the receiving port of the first photoelectric conversion module is connected to the transmitting port of the second photoelectric conversion module via an optical fiber.
5. The system of claim 1, wherein the distance between the external communication master module and the external communication slave module is 0.3-20 km.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050501.1U CN210836548U (en) | 2019-11-25 | 2019-11-25 | Online system of electricity consumption information acquisition equipment in no-signal area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050501.1U CN210836548U (en) | 2019-11-25 | 2019-11-25 | Online system of electricity consumption information acquisition equipment in no-signal area |
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| Publication Number | Publication Date |
|---|---|
| CN210836548U true CN210836548U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922050501.1U Active CN210836548U (en) | 2019-11-25 | 2019-11-25 | Online system of electricity consumption information acquisition equipment in no-signal area |
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| CN (1) | CN210836548U (en) |
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- 2019-11-25 CN CN201922050501.1U patent/CN210836548U/en active Active
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