CN213602414U - Multi-point constant-current power supply system of underwater rasterized information network - Google Patents
Multi-point constant-current power supply system of underwater rasterized information network Download PDFInfo
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- CN213602414U CN213602414U CN202022431708.6U CN202022431708U CN213602414U CN 213602414 U CN213602414 U CN 213602414U CN 202022431708 U CN202022431708 U CN 202022431708U CN 213602414 U CN213602414 U CN 213602414U
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Abstract
The utility model discloses an under water rasterization information network multiple spot constant current power supply system, including a N constant current power supply unit, every constant current power supply unit comprises power module, constant current conversion module, measuring module, control module and communication module. The constant-current power supply equipment can automatically set a certain equipment as a main equipment and adjust the output voltage of each equipment to achieve the purpose of power balance, so that the output power of each equipment is consistent, and the service life of the certain power supply equipment is prevented from being shortened due to long-time full-load operation.
Description
Technical Field
The utility model relates to a rasterization information network technical field, concretely relates to rasterization information network multiple spot constant current power supply system under water.
Background
The rasterized information network has better service routing ad hoc network capability, and can quickly realize self-healing of services under the condition that the information system has multi-point faults, so the rasterized information network has better application prospect in an underwater information system. The underwater rasterized information network has the characteristics of wide coverage range, long distance, high reliability requirement and the like. In order to overcome the problem that the operation of the underwater rasterized information network is abnormal due to the fault of the submarine optical cable, a shore-based constant current power supply is usually arranged at the landing points of a plurality of submarine optical cables, and meanwhile, the power is supplied to the underwater rasterized information network, so that the networked power supply is realized, and the energy supply of the underwater rasterized information network is ensured. However, because a plurality of constant current power supplies of the existing underwater rasterized information network work independently, the difference of the power supply power of each constant current power supply is large, and the condition that a single constant current power supply runs at full load or zero load exists. The service life of the constant current power supply which runs at full load for a long time is shorter than the expected value, so that the service life of the whole power supply system is influenced, and when a certain constant current power supply device breaks down and stops running, the output power of the whole power supply system is reduced, and the power consumption requirement of an underwater grid information network cannot be met. In addition, when the power consumption demand of the underwater rasterized information network sharply increases, the independently working constant current power supply cannot perform capacity expansion, upgrading and transformation on the power supply system on line, and the application range of the power supply system is narrow. The above problems bring certain limitations to the application of the power supply system of the existing underwater rasterized information network.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a plurality of constant current power supplies of current rasterization information network under water single constant current power supply power difference is great when supplying power simultaneously provides a rasterization information network multiple spot constant current power supply system under water.
In order to solve the above problems, the utility model discloses a realize through following technical scheme:
the underwater rasterized information network multipoint constant current power supply system comprises N constant current power supply devices, wherein N is a positive integer greater than or equal to 2; each constant current power supply device consists of a power supply module, a constant current conversion module, a measurement module, a control module and a communication module; the input end of the power supply module forms the input end of the constant current power supply equipment and is connected with an external power supply; the output end of the power supply module is connected with the power supply ends of the constant current conversion module, the measurement module, the control module and the communication module; the output end of the constant current conversion module forms the output end of the constant current power supply equipment and is connected with an underwater rasterized information network; the input end of the measuring module is connected with the sampling end of the constant current conversion module, and the output end of the measuring module is connected with the input end of the control module; the output end of the control module is connected with the control end of the constant current conversion module; the communication end of the control module is connected with the first communication end of the communication module; a second communication end of the communication module forms a communication end of the constant current power supply equipment; and the communication ends of all the constant current power supply equipment are mutually connected through a TCP/IP network.
In the scheme, the constant current conversion module consists of an inversion conversion unit, a rectification filter unit, a voltage sampling unit, a current sampling unit, a voltage control unit and a current control unit; the input end of the inversion conversion unit forms a power supply end of the constant current conversion module; the output end of the inversion conversion unit is connected with the input end of the rectification filter unit, and the output end of the rectification filter unit forms the output end of the constant current conversion module; the input ends of the voltage sampling unit and the current sampling unit are respectively connected with the voltage sampling end and the current sampling end of the rectification filter unit, and the output ends of the voltage sampling unit and the current sampling unit jointly form the sampling end of the constant current conversion module; the input ends of the voltage control unit and the current control unit jointly form a control end of the constant current conversion module, and the output ends of the voltage control unit and the current control unit are respectively connected with the voltage control end and the current control end of the inversion conversion unit.
In the scheme, the power supply module consists of a boosting unit and a voltage conversion unit; the input end of the power supply module is formed after the input ends of the voltage boosting unit and the voltage conversion unit are connected; the input end of the voltage boosting unit forms a first output end of the power supply module, and the output end of the voltage conversion unit forms a second output end of the power supply module.
In the scheme, the measuring module consists of a voltage measuring unit and a current measuring unit; the input ends of the voltage measuring unit and the current measuring unit jointly form the input end of the measuring module; the output ends of the voltage measuring unit and the current measuring unit jointly form the output end of the measuring module; the power supply terminals of the voltage measuring unit and the current measuring unit together form the power supply terminal of the measuring module.
Compared with the prior art, the utility model discloses a plurality of constant current power supply unit can be automatic decide for certain equipment as the main equipment and adjust the purpose that reaches the power balance to the output voltage of each equipment, makes the output of each equipment unanimous, avoids the long-time full load operation of certain power supply unit and shortens life. When the power consumption of the underwater rasterized information network changes, the multi-point constant-current power supply equipment can independently and automatically adjust the output power. When one constant current power supply device breaks down and stops running, the other normally running constant current power supply devices can independently and automatically increase the external output power of the constant current power supply devices, the power supply system cannot stop running due to the fact that one constant current power supply device breaks down, and the reliability of the power supply system is improved. The capacity expansion transformation of the power supply system is realized by increasing the number of the constant current power supply devices on line, and the application range of the multipoint constant current power supply system is widened.
Drawings
Fig. 1 is a structural block diagram of an underwater rasterized information network multipoint constant current power supply system.
Fig. 2 is a block diagram of the constant current power supply apparatus in fig. 1.
Fig. 3 is a block diagram of the power supply module in fig. 2.
Fig. 4 is a block diagram of the constant current conversion module in fig. 2.
Fig. 5 is a block diagram of the measurement module in fig. 2.
Fig. 6 is a block diagram of the control module in fig. 2.
Fig. 7 is a block diagram of the communication module of fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following specific examples.
Referring to fig. 1, the multi-point constant current power supply system for the underwater rasterized information network comprises N constant current power supply devices, wherein N is a positive integer greater than or equal to 2. Each constant current power supply device is composed of a power supply module, a constant current conversion module, a measurement module, a control module and a communication module. As shown in fig. 2. The input end of the power supply module forms the input end of the constant current power supply equipment and is connected with an external power supply. The output end of the power supply module is connected with the power supply ends of the constant current conversion module, the measurement module, the control module and the communication module. The output end of the constant current conversion module forms the output end of the constant current power supply equipment and is connected with the underwater grid information network. The input end of the measuring module is connected with the sampling end of the constant current conversion module, and the output end of the measuring module is connected with the input end of the control module. The output end of the control module is connected with the control end of the constant current conversion module. The communication end of the control module is connected with the first communication end of the communication module. And the second communication end of the communication module forms a communication end of the constant current power supply equipment. And the communication ends of all the constant current power supply equipment are mutually connected through a TCP/IP network.
The constant current power supply equipment is mutually connected through the communication module, and the plurality of constant current power supply equipment can automatically determine a certain equipment as a main equipment and adjust the output voltage of each equipment to achieve the purpose of power balance. When the power consumption of the underwater rasterized information network changes, the multi-point constant-current power supply equipment can independently and automatically adjust the output power. When one constant current power supply device breaks down and stops running, the other constant current power supply devices which normally run can independently and automatically increase the external output power of the constant current power supply devices. In addition, the capacity expansion transformation of the power supply system can be realized by increasing the number of the constant current power supply equipment on line.
Referring to fig. 3, the power supply module is composed of a boosting unit and a voltage converting unit. The input end of the power supply module is formed after the input ends of the voltage boosting unit and the voltage conversion unit are connected. The input end of the voltage boosting unit forms a first output end of the power supply module, and the output end of the voltage conversion unit forms a second output end of the power supply module. The voltage boosting unit converts an external power supply (-48VDC or 220VAC) into a 312V constant-voltage direct-current power supply, and provides the constant-current power supply for the constant-current conversion module. The voltage conversion unit converts an external power supply (-48VDC or 220VAC) into 3.3V direct current and provides the direct current for the measurement module, the control module and the communication module.
Referring to fig. 4, the constant current conversion module is composed of an inversion conversion unit, a rectification filter unit, a voltage sampling unit, a current sampling unit, a voltage control unit, and a current control unit. The input end of the inversion conversion unit forms a power supply end of the constant current conversion module. The output end of the inversion conversion unit is connected with the input end of the rectification filter unit, and the output end of the rectification filter unit forms the output end of the constant current conversion module. The input ends of the voltage sampling unit and the current sampling unit are respectively connected with the voltage sampling end and the current sampling end of the rectification filter unit, and the output ends of the voltage sampling unit and the current sampling unit jointly form the sampling end of the constant current conversion module. The input ends of the voltage control unit and the current control unit jointly form a control end of the constant current conversion module, and the output ends of the voltage control unit and the current control unit are respectively connected with the voltage control end and the current control end of the inversion conversion unit.
The inversion conversion unit converts the 312V constant-voltage direct-current power supply sent by the power supply module into a constant-current power supply with a certain current value under the control of the voltage control unit and the current control unit, and outputs the constant-current power supply to the rectification filter unit. And the rectification filtering unit is used for filtering and stabilizing the constant current power supply output by the inversion unit, reducing current ripple noise and outputting the current ripple noise to an underwater gridding information network. The voltage control unit identifies and processes the voltage control information sent by the control module, converts the voltage control information into a control level and controls the output voltage of the inversion conversion unit. The current control unit identifies and processes the current control information sent by the control module, converts the current control information into a control level and controls the output current of the inversion conversion unit. The voltage sampling unit samples the output voltage of the rectifying and filtering unit and outputs the obtained voltage signal to the measuring module. The current sampling unit samples the output current of the rectifying and filtering unit and outputs the obtained voltage signal to the measuring module.
Referring to fig. 5, the measuring module is composed of a voltage measuring unit and a current measuring unit. The input terminals of the voltage measuring unit and the current measuring unit together form the input terminal of the measuring module. The output ends of the voltage measuring unit and the current measuring unit together form the output end of the measuring module. The power supply terminals of the voltage measuring unit and the current measuring unit together form the power supply terminal of the measuring module. The power supply module is connected with the voltage measuring unit and the current measuring unit and provides required power supply. The voltage measuring unit measures the real-time voltage value of the constant current conversion module and outputs the measurement result to the control module. The current measuring unit measures the real-time current value of the constant current conversion module and outputs the measurement result to the control module.
Referring to fig. 6, the control module is composed of an arithmetic control unit and a storage unit. The storage unit is connected with the operation control unit. The power supply end of the operation control unit forms the power supply end of the control module. The input end of the operation control unit forms the input end of the control module. The output end of the operation control unit forms the output end of the control module. And the communication end of the control module forms the communication end of the control module. The storage unit is used for storing data for the operation control unit, the operation control unit is connected with the measurement module, receives the measurement data of the measurement module in real time, obtains control information after operation together with the data sent by the communication module, and sends the control information to the constant current conversion module, so that the operation state of the constant current conversion module is controlled.
Referring to fig. 7, the communication module is composed of an interface adaptation unit and a protocol parsing unit. The interface adaptation unit is connected with the protocol analysis unit. The communication end of the interface adaptation unit forms a second communication end of the communication module. And the communication end of the protocol analysis unit forms a first communication end of the communication module. The power supply terminal of the protocol analysis unit forms the power supply terminal of the communication module. The interface adaptation unit is responsible for being interconnected with other constant current power supply equipment, acquires the information of other constant current power supply equipment, forwards the information to the protocol analysis unit, and forwards the running information of the equipment sent by the protocol analysis unit to other constant current power supply equipment after interface adaptation. The protocol analysis unit analyzes the protocol of the running information of other constant current power supply equipment sent by the interface adaptation unit, forwards the running information to the control module, packages the protocol of the running information of the equipment sent by the control module, and sends the running information to the interface adaptation unit for interface adaptation.
The utility model discloses an under water rasterization information network multiple spot constant current power supply system all sets up constant current power supply unit at a plurality of landing points of sea optic cable, and a plurality of constant current power supply unit realize control information's intercommunication through the TCP/IP network, and a plurality of constant current power supply unit provide required power for under water rasterization information network jointly. The value of the externally output current of the single constant current power supply device is constant, and the externally output power changes along with the change of the load. When the plurality of constant current power supply devices supply power to the outside, the total power output by the plurality of constant current power supply devices to the outside changes along with the change of the load. When a plurality of constant current power supply devices of the multipoint constant current power supply system operate stably, the output power of each constant current power supply device is basically consistent, power balance is achieved, and the problem that the service life of a certain power supply device is shortened due to long-time full-load operation is solved. The multiple constant-current power supply devices can realize mutual redundancy backup, and the external output power of each constant-current power supply device is basically consistent.
It should be noted that, although the above-mentioned embodiments of the present invention are illustrative, the present invention is not limited thereto, and therefore, the present invention is not limited to the above-mentioned embodiments. Other embodiments, which can be made by those skilled in the art in light of the teachings of the present invention, are considered to be within the scope of the present invention without departing from the principles thereof.
Claims (4)
1. The underwater rasterized information network multipoint constant current power supply system is characterized by comprising N constant current power supply devices, wherein N is a positive integer greater than or equal to 2;
each constant current power supply device consists of a power supply module, a constant current conversion module, a measurement module, a control module and a communication module; the input end of the power supply module forms the input end of the constant current power supply equipment and is connected with an external power supply; the output end of the power supply module is connected with the power supply ends of the constant current conversion module, the measurement module, the control module and the communication module; the output end of the constant current conversion module forms the output end of the constant current power supply equipment and is connected with an underwater rasterized information network; the input end of the measuring module is connected with the sampling end of the constant current conversion module, and the output end of the measuring module is connected with the input end of the control module; the output end of the control module is connected with the control end of the constant current conversion module; the communication end of the control module is connected with the first communication end of the communication module; a second communication end of the communication module forms a communication end of the constant current power supply equipment; and the communication ends of all the constant current power supply equipment are mutually connected through a TCP/IP network.
2. The underwater rasterized information network multipoint constant current power supply system of claim 1, wherein the constant current conversion module is composed of an inversion conversion unit, a rectification filter unit, a voltage sampling unit, a current sampling unit, a voltage control unit and a current control unit; the input end of the inversion conversion unit forms a power supply end of the constant current conversion module; the output end of the inversion conversion unit is connected with the input end of the rectification filter unit, and the output end of the rectification filter unit forms the output end of the constant current conversion module; the input ends of the voltage sampling unit and the current sampling unit are respectively connected with the voltage sampling end and the current sampling end of the rectification filter unit, and the output ends of the voltage sampling unit and the current sampling unit jointly form the sampling end of the constant current conversion module; the input ends of the voltage control unit and the current control unit jointly form a control end of the constant current conversion module, and the output ends of the voltage control unit and the current control unit are respectively connected with the voltage control end and the current control end of the inversion conversion unit.
3. The underwater rasterized information network multipoint constant current power supply system of claim 1, wherein the power supply module is comprised of a voltage boost unit and a voltage conversion unit; the input end of the power supply module is formed after the input ends of the voltage boosting unit and the voltage conversion unit are connected; the input end of the voltage boosting unit forms a first output end of the power supply module, and the output end of the voltage conversion unit forms a second output end of the power supply module.
4. The underwater rasterized information network multipoint constant current power supply system of claim 1, wherein the measurement module is comprised of a voltage measurement unit and a current measurement unit; the input ends of the voltage measuring unit and the current measuring unit jointly form the input end of the measuring module; the output ends of the voltage measuring unit and the current measuring unit jointly form the output end of the measuring module; the power supply terminals of the voltage measuring unit and the current measuring unit together form the power supply terminal of the measuring module.
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