CN112350428A - Medium-voltage communication standby power system - Google Patents
Medium-voltage communication standby power system Download PDFInfo
- Publication number
- CN112350428A CN112350428A CN202011158972.5A CN202011158972A CN112350428A CN 112350428 A CN112350428 A CN 112350428A CN 202011158972 A CN202011158972 A CN 202011158972A CN 112350428 A CN112350428 A CN 112350428A
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- China
- Prior art keywords
- module
- voltage
- medium
- power
- power supply
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of medium-voltage carrier communication, in particular to a medium-voltage communication standby power system, which comprises a power module, a charge-discharge module, storage batteries 1 and 2 and a metal box shell, wherein the power module, the charge-discharge module, the storage batteries 1 and 2 and the metal box shell are connected with each other, and the medium-voltage communication standby power system comprises: the metal box body shell is internally provided with a power supply module, a charge-discharge module and storage batteries 1 and 2; the power supply module is connected with the charge-discharge module, the external medium-voltage communication module and the voltage transformer; the charge-discharge module is connected with the storage batteries 1 and 2. When the 10kV line is powered off, a stable power supply is provided for the medium-voltage communication module, and the requirement of large data volume long-time communication is met. Meanwhile, the device can also be used for charging the equipment such as a switch, a security gateway and the like in a medium-voltage communication system, and the requirement of personalized customization of customers is met.
Description
Technical Field
The invention relates to the technical field of medium-voltage carrier communication, in particular to a medium-voltage communication standby power system.
Background
The medium-voltage carrier communication is a communication mode for realizing data transmission by using a 10kV medium-voltage distribution line as a transmission channel, a communication network is constructed by using an existing power cable, and communication can be realized through a medium-voltage communication module, which is very important for a power grid system. However, in medium-voltage carrier communication, when a 10kV high-voltage line is powered off, important data of a terminal cannot be uploaded to a master station system due to the absence of a standby power supply of a medium-voltage communication module, thereby causing communication failure.
The existing method for solving the power failure of the 10kV high-voltage line is to directly add a standby circuit on the medium-voltage communication module, for example, a super capacitor charging and discharging circuit is added to charge a super capacitor when power is available, and the super capacitor discharges power to supply power to the medium-voltage communication module when the power failure occurs on the line.
Disclosure of Invention
In order to overcome the defects or shortcomings in the prior art, the invention provides a medium-voltage communication standby power system which can provide a stable power supply for a medium-voltage communication module when a 10kV line is powered off, and the normal carrier communication is ensured.
In order to achieve the purpose, the specific technical scheme of the invention is as follows:
the utility model provides a medium-voltage communication is equipped with electric system, includes interconnect's power module, charge-discharge module, battery 1, 2 and metal box shell, wherein:
the metal box body shell is internally provided with a power supply module, a charge-discharge module and storage batteries 1 and 2;
the power supply module is connected with the charging and discharging module, the external medium-voltage communication module and the voltage transformer and is used for converting AC220V into DC24V, outputting DC24V voltage to the charging and discharging module and outputting DC24V voltage to the medium-voltage communication module for power supply;
the charging and discharging module is connected with the storage batteries 1 and 2 and charges the storage batteries;
the storage batteries 1 and 2 are connected in series, the rated voltage of each storage battery is 12V, the voltage after the storage batteries are connected in series is 24V, and when a 10kV line is in power failure, the storage batteries 1 and 2 provide a DC24V power supply for the power supply module through the charge-discharge module.
Furthermore, the power module is connected with a lead of an external voltage transformer through an aviation socket, the external voltage transformer is connected with a 10kV line, and 10kV voltage is converted into AC220V voltage to be input into the power module.
Further, after the power supply module is powered off in a 10kV line, the power supply module receives the DC24V power supply provided by the storage batteries 1 and 2 to provide the DC24V power supply for the external medium-voltage communication module.
Further, the power module reserves 4 output terminals of the DC24V, and can provide power supply of the DC24V for other attached devices.
Furthermore, the position for installing the medium-voltage communication module is reserved in the metal box shell, and flexible configuration can be performed according to different requirements on the site.
Further, the medium voltage communication module refers to a medium voltage communication module (slave) or a medium voltage communication module (master).
The invention has the beneficial effects that:
1. an independent standby power system is used for supplying power to the medium-voltage communication module, the continuous power supply time is long under the condition that the line is powered off, and the requirement of large data volume long-time communication is met.
2. The power supply system can also charge equipment such as a switch and a security gateway in the medium-voltage communication system, so that the requirement of personalized customization of customers is met.
Drawings
Fig. 1 is a system configuration diagram of a standby system for high voltage communication according to the present invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a medium-voltage communication standby power system includes a power module, a charge-discharge module, storage batteries 1 and 2, and a metal box casing, which are connected to each other, wherein: the metal box body shell is internally provided with a power supply module, a charge-discharge module and storage batteries 1 and 2; the power supply module is connected with the charge-discharge module, the external medium-voltage communication module and the voltage transformer; the charge-discharge module is connected with the storage batteries 1 and 2 to charge the storage batteries.
A voltage transformer is installed on the 10kV line, and a lead wire of the voltage transformer is connected to an aviation socket of the power module and inputs a voltage converted into AC220V into the power module.
The power module converts AC220V to DC24V and outputs a DC24V voltage to the charge and discharge module. Meanwhile, the DC24V voltage output supplies power to the medium-voltage communication module;
the charging and discharging module is connected with the storage batteries 1 and 2 to charge the storage batteries. When a 10kV line is powered off, the storage battery provides a DC24V power supply for the power supply module through the charge-discharge module;
when the 10kV line is powered off, the storage battery provides a DC24V power supply for the external medium-voltage communication module through the charging and discharging module and the power supply module, so that a stable power supply is provided for the medium-voltage communication module, and normal carrier communication is ensured.
Further, the power module reserves 4 output terminals of the DC24V, and can provide power supply of the DC24V for other attached devices.
Furthermore, the position for installing the medium-voltage communication module is reserved in the metal box shell, and flexible configuration can be performed according to different requirements on the site.
Finally, it should be noted that: the above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and a person of ordinary skill in the art can make modifications or equivalents to the specific embodiments of the present invention with reference to the above embodiments, and such modifications or equivalents without departing from the spirit and scope of the present invention are within the scope of the claims of the present invention as set forth in the claims.
Claims (7)
1. The utility model provides a medium-voltage communication is equipped with electric system, contains interconnect's power module, charge-discharge module, battery 1, 2 and metal box shell, its characterized in that:
the metal box body shell is internally provided with a power supply module, a charge-discharge module and storage batteries 1 and 2;
the power supply module is connected with the charging and discharging module, the external medium-voltage communication module and the voltage transformer and is used for converting AC220V into DC24V, outputting DC24V voltage to the charging and discharging module and outputting DC24V voltage to the medium-voltage communication module for power supply;
the charging and discharging module is connected with the storage batteries 1 and 2 and charges the storage batteries;
the storage batteries 1 and 2 are connected in series, the rated voltage of each storage battery is 12V, the voltage after the storage batteries are connected in series is 24V, and when a 10kV line is in power failure, the storage batteries 1 and 2 provide a DC24V power supply for the power supply module through the charge-discharge module.
2. A medium voltage communication backup system according to claim 1, characterized in that said power module is connected to the leads of an external voltage transformer through an aviation socket, the external voltage transformer being connected to a 10kV line, converting the 10kV voltage to AC220V voltage for input to the power module.
3. A medium voltage communication backup system according to claim 2, characterized in that said power module provides DC24V power to external medium voltage communication modules by receiving DC24V power from batteries 1, 2 after a 10kV line outage.
4. The system of claim 3, wherein the power module reserves 4 DC24V output terminals to provide DC24V power for other accessory devices.
5. The system according to claim 4, wherein the additional devices comprise a switch and a security gateway.
6. The medium-voltage communication power supply system according to claim 1, wherein a position for installing the medium-voltage communication module is reserved inside the metal box body shell, and the medium-voltage communication module can be flexibly configured according to different requirements on site.
7. The system according to claim 6, wherein the medium voltage communication module is a medium voltage communication module (slave) or a medium voltage communication module (master).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158972.5A CN112350428A (en) | 2020-10-26 | 2020-10-26 | Medium-voltage communication standby power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011158972.5A CN112350428A (en) | 2020-10-26 | 2020-10-26 | Medium-voltage communication standby power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112350428A true CN112350428A (en) | 2021-02-09 |
Family
ID=74360294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011158972.5A Withdrawn CN112350428A (en) | 2020-10-26 | 2020-10-26 | Medium-voltage communication standby power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112350428A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202197226U (en) * | 2011-09-14 | 2012-04-18 | 南京天溯自动化控制系统有限公司 | Power station direct current power supply device based on super capacitor |
| CN202363924U (en) * | 2011-11-10 | 2012-08-01 | 北京电研华源电力技术有限公司 | Multifunctional power supply management system |
| CN204243884U (en) * | 2014-06-27 | 2015-04-01 | 广东电网公司佛山供电局 | For the supply unit of distribution terminal |
| CN208835749U (en) * | 2018-06-06 | 2019-05-07 | 马鞍山明阳通信科技有限公司 | A kind of power supply unit for micro-base station controller |
-
2020
- 2020-10-26 CN CN202011158972.5A patent/CN112350428A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202197226U (en) * | 2011-09-14 | 2012-04-18 | 南京天溯自动化控制系统有限公司 | Power station direct current power supply device based on super capacitor |
| CN202363924U (en) * | 2011-11-10 | 2012-08-01 | 北京电研华源电力技术有限公司 | Multifunctional power supply management system |
| CN204243884U (en) * | 2014-06-27 | 2015-04-01 | 广东电网公司佛山供电局 | For the supply unit of distribution terminal |
| CN208835749U (en) * | 2018-06-06 | 2019-05-07 | 马鞍山明阳通信科技有限公司 | A kind of power supply unit for micro-base station controller |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210209 |