System and method for switching on and off synchronization of DC remote power supply equipment
A technology of remote power supply and switching on and off, which is applied in the field of communication, and can solve problems such as system startup failure, cost increase, communication frame drop, etc., and achieve the effects of timely synchronization of power supply and switching on and off, high work efficiency and convenient operation
Inactive Publication Date: 2016-06-08
SHENZHEN JINTING TECH
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Problems solved by technology
[0003] However, in the prior art, if a separate hardware circuit is used to control the switching sequence, this will increase the cost
In addition, in the follow-up maintenance, when a new module is inserted, and the output parameters of the new module are inconsistent at this time, it will cause new problems; if only software is used to uniformly control the switching sequence of multiple in-position modules, the communication itself There will be frame drop, bit error rate, etc., and even the MCU itself will have a delay in response. Various factors will cause some modules to lag in startup, or even not receive startup information. If it is in a heavy load state at this time, it will cause System failed to boot
[0004] In summary, the existing methods for realizing the output synchronization of multiple power modules in the existing DC remote power supply equipment can no longer meet the needs of the market
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[0028] In order to express the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings.
[0029] see figure 1 , the switch machine synchronization system of the DC remote power supply equipment of the present invention includes a monitoring module 1 and a plurality of on-position power supply modules 2; the monitoring module 1 is respectively connected to the multiple power supply modules 2 through the RS485 communication bus; the monitoring module 1 Be provided with software enable signal unit 11, hardware enable signal unit 12 and software signal detection unit 13, each on-position power supply module 2 is provided with hardware signal detection unit 21; Software enable signal unit 11 and software signal detection unit 13 is connected to the on-site power supply module 2 in communication, and the hardware enable signal unit 12 is connected to the hardware signal detection unit 21 in communication.
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The invention discloses a shutup-shutdown synchronization system and method of direct-current remote supply power equipment. The system comprises a monitoring module and a plurality of in-place power supply modules. The monitoring module is respectively in communication connection with the plurality of in-place power supply modules by an RS485 communication bus and is provided with a software enabling signal unit, a hardware enabling signal unit, and a software signal detection unit; and each of the plurality of in-place power supply modules is provided with a hardware signal detection unit. The software enabling signal unit and the software signal detection unit are respectively in communication connection with the plurality of in-place power supply modules; and the hardware enabling signal unit is in communication connection with the hardware signal detection units. According to the invention, consistency of output parameters of all in-place power supply modules can be realized by the software RS485 communication bus; and shutup-shutdown synchronization of all the modules can be ensured by hardware signals. Moreover, the system and the method have the characteristics of high work efficiency, convenient operation, and low cost, and the like.
Description
technical field [0001] The invention relates to the field of communications, in particular to a system and method for switching on and off synchronously for DC remote power supply equipment. Background technique [0002] In recent years, my country's communication industry has developed rapidly. The communication power supply is the infrastructure of the entire communication network and the guarantee for the normal and reliable operation of the entire communication and telecommunication network. With the popularization and development of the 3G network, the construction of mobile base stations, EPON and indoor and outdoor computer rooms The problems of power supply and connection are all solved by the DC remote power supply system. At present, when most communication power supplies are paralleled with multiple modules, in order to satisfy the output synchronization of multiple power modules, special hardware circuits are generally used, or the software communication bus is us...
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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 卫卓明
Owner SHENZHEN JINTING TECH