Remote power monitoring device based on multiple redundant power sources

Abstract

The utility model relates to the technical field of server power supplies, and discloses a remote power monitoring device based on multiple redundant power supplies, which comprises a source power system module, a communication module, a power control module and a remote terminal module, the source power system module comprises a mains supply unit, a generator, an ATS unit and UPS equipment including but not limited to one group, the output ends of the mains supply unit and the generator are connected with the input end of the ATS unit, the output end of the ATS unit is connected to the AC input end of the UPS equipment, and the UPS equipment is connected with a storage battery pack in series. According to the utility model, the source power system module is arranged to realize uninterrupted system power supply in a three-layer guarantee mode in a power supply abnormal scene, so that the problem that the existing general UPS solution does not realize remote real-time monitoring and multiple redundant long-acting protection functions is solved; and a set of feasible precise and high-stability power uninterrupted redundancy guarantee scheme is provided for a power sensitive computer, a communication server system and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to server power supply technical field especially relates to a remote power monitoring device based on multiple redundancy power supply. BACKGROUND

[0002] In the global internet information era, data communication servers, IDC equipment terminals, satellite communication regional station systems and the like play an important role in work and life, and they are precision power supply demand systems with extremely high stability and reliability requirements for power supply. Sudden interruption of power supply may cause serious social and economic and stability impact, and high security research of power systems has become an important topic of modern production industry. Application requirements in new scenarios require higher standards for uninterrupted power systems.

[0003] In particular for data communication server systems and the like, precision power supply has extremely high stability and reliability requirements for power supply, and in the event of power supply interruption or abnormality, communication equipment is ensured to maintain communication and server systems do not occur downtime events. Uninterruptible power supply (UPS) has AC voltage stabilization and instantaneous power grid interruption protection functions, and can achieve zero-time delay sensing inversion conversion. The uninterrupted power solution under single UPS equipment strongly depends on the reliability of the UPS equipment, and in the event of inversion failure or abnormal storage of the storage battery in the UPS system, the reliability of the power supply system is still greatly challenged, and in the unattended mode, the abnormal condition of the power system cannot be monitored in time and effectively, which may cause significant economic loss. Therefore, the existing scheme of using uninterruptible power supply (UPS) to solve the power supply interruption or abnormality is still not perfect. UTILITY MODEL CONTENTS

[0004] In order to solve the technical problem that the existing technology uses uninterruptible power supply (UPS) as a backup power supply when the power supply is interrupted or abnormal, the utility model provides a remote power monitoring device based on multiple redundancy power supply.

[0005] The technical scheme of the utility model is as follows:

[0006] A remote power monitoring device based on multiple redundancy power supply, comprising a source power system module and a communication module, a power control module connected with the source power system module respectively, and a remote terminal module connected with the communication module, the source power system module comprising a power unit, a generator, an ATS unit and a UPS device including but not limited to a group, the output end of the power unit and the generator is connected with the input end of the ATS unit, the output end of the ATS unit is connected with the AC input end of the UPS device, and the UPS device is connected with a storage battery group in series.

[0007] Further, when the UPS devices are more than two groups, the groups of the UPS devices are connected in parallel, and the output ends of the ATS units are connected to the AC input ends of the UPS devices respectively.

[0008] Further, the UPS device is provided with an RS232 communication interface and a battery connection end, the UPS device is connected to the communication module through the RS232 communication interface, and the UPS device is connected to the battery pack through the battery connection end.

[0009] Further, the power control module comprises an STS unit, an air switch and an RS485 communication type circuit breaker, the output ends of the groups of the UPS devices are connected to the STS unit in parallel, the output end of the STS unit is connected to the input end of the RS485 communication type circuit breaker through the air switch or connected to the input end of the communication module, and the RS485 communication type circuit breaker is connected to the communication module.

[0010] Further, the communication module comprises a POE gateway and a POE type serial server, the POE gateway is provided with an optical transceiver unit and connected to a remote terminal module through the optical transceiver unit, the POE gateway is connected to the STS unit, the POE gateway is connected to the POE type serial server through a super six category double shielded network connection line, and the POE type serial server is connected to the UPS device and the RS485 communication type circuit breaker respectively.

[0011] Further, the POE type serial server is provided with an RS232 communication interface and an RS485 communication interface, the RS232 communication interface of the POE type serial server is connected to the RS232 communication interface of the UPS device through an RS232 communication cable, and the RS485 communication interface of the POE type serial server is connected to the RS485 communication type circuit breaker through an RS485 communication cable.

[0012] Further, the POE type serial server comprises two groups, any group of the POE type serial server is connected to the UPS device, the other group is connected to the RS485 communication type circuit breaker, and the output end of the RS485 communication type circuit breaker can also be connected to an external device through a power line.

[0013] Further, the remote terminal module comprises a terminal PC control device, a fiber network card and an optical module, the terminal PC control device is connected to the fiber network card, and the fiber network card is connected to the optical module to access the optical transceiver unit of the POE gateway.

[0014] Further, the RS485 communication type circuit breaker is provided with a communication port A+ and B-, and the RS485 communication type circuit breaker is connected to the POE type serial server through the communication port A+ and B-.

[0015] Further, the POE type serial port server is provided with a 485 interface TX+, a 485 interface TX-, the communication port A+ of the RS485 communication type circuit breaker is connected with the 485 interface TX+ on the POE type serial port server, and the communication port B- of the RS485 communication type circuit breaker is connected with the 485 interface TX- on the POE type serial port server.

[0016] The utility model discloses the beneficial effect at least includes: the utility model discloses a source power system module realizes three layer guarantee mode's power supply abnormal scene uninterrupted system power supply, first, the commercial power or generator is connected to the ATS input as the first layer power supply guarantee, second, the UPS equipment of multiple parallelly arranged output to the STS input as the third layer power supply guarantee, third, the UPS equipment and battery group store and save application as the second layer power supply guarantee, the existing general UPS solution has realized remote real -time monitoring and multiple redundancy long -term protection function, for power sensitive computer, communication server system etc. A set of feasible precision, high stable power uninterrupted redundancy guarantee scheme is provided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model provides a kind of structure schematic diagram of remote power monitoring device based on multiple redundancy power supply.

[0018] Figure 2 The utility model provides the structure distribution schematic diagram of each module of remote power monitoring device based on multiple redundancy power supply.

[0019] Figure 3 The utility model provides the UPS modularization parallel mode system structure principle diagram of STS external.

[0020] Among them:

[0021] 1-commercial power unit;2-generator;3-ATS unit;4-UPS equipment;5-battery group;6-STS unit;7-air switch;8-RS485 communication type circuit breaker;9-POE gateway;10-POE type serial port server;11-optical transceiver integrated unit;12-optical module A;13-optical module B;14-fiber network card;15-terminal PC control equipment. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In combination with Figures 1-2 The utility model provides a kind of remote power monitoring device based on multiple redundancy power supply, including source power system module and respectively with the communication module, power control module and with the communication module remote terminal module being connected with the source power system module, the source power system module includes mains unit 1, generator 2, ATS unit 3 and including but not limited to a group of UPS equipment 4, the output of the mains unit 1, the output of the generator 2 are connected with the input of ATS unit 3, the output of the ATS unit 3 is connected on the AC input end of UPS equipment 4, and the UPS equipment 4 is connected with battery pack 5 in series.

[0024] Further, when the UPS equipment 4 is greater than 2 groups, multiple groups of the UPS equipment 4 are arranged in parallel, and the output of the ATS unit 3 is connected to the AC input end of each group of the UPS equipment 4.

[0025] Further, the UPS equipment 4 is provided with an RS232 communication interface and a battery pack wiring end, the UPS equipment 4 is connected with the communication module through the RS232 communication interface, and the UPS equipment 4 is connected with the battery pack 5 through the battery pack wiring end.

[0026] The UPS equipment 4 is an uninterruptible power supply, which is an uninterruptible power supply protection device for precision power supply. It uses an inverter as the main unit and can realize functions such as voltage stabilization, frequency stabilization, filtering and uninterrupted power supply. It can effectively solve problems such as power grid power failure, power grid voltage fluctuation, power signal pollution, etc. When working normally, the AC voltage input by the external power supply enters the UPS system through the input isolation switch. The battery is continuously charged through the charging circuit, and the AC voltage is converted into DC voltage by the AC / DC circuit. Then the DC voltage is inverted into AC voltage by the inverter and output through the output isolation switch to supply the load. When the external power supply input is interrupted, the backup battery starts to work. At this time, the voltage of the battery is converted into AC voltage by the inverter and output through the output isolation switch to supply the load. When the UPS inverter fails or is overloaded, the UPS will output the input power directly through the bypass switch to supply the load, ensuring uninterrupted power supply.

[0027] ATS unit 3 is a multi-source automatic transfer switch, ATS realizes switching in a mechanical way, is placed in front of the UPS input, and can be used for switching of multiple power supplies or switching between power supply and oil engine power generation. In the case of emergency power supply, power switching between two paths can be performed within a manually set second-level intermittent time to ensure continuous and reliable operation of important load applications. The input of the UPS device 4 includes standard power supply input or generator power supply input. The power supply unit 1 and the generator 2 are connected to the AC input end of the UPS device 4 through the double-source automatic switching switch ATS, forming the power input of the entire monitoring device. The battery strings are connected in proper safety voltage with the UPS device 4, and are connected in sequence with the positive, negative and ground of the line to implement power storage of the battery string 4. When connected, the connection on the battery string 5 side is completed first, and then the other end of the line is connected with the uninterruptible power supply to effectively avoid the risk of electric shock. The external design of the battery string 5 is used for power storage expansion to cope with the scene of ATS side without power input for a long period of time. The RS232 communication interface on the UPS device 4 is mainly used for remote data monitoring and control.

[0028] Further, the power control module includes an STS unit 6, an air switch 7 and an RS485 communication type circuit breaker 8. Multiple groups of the UPS device 4 output end are connected in parallel to the STS unit 6. The output end of the STS unit 6 is connected to the input end of the RS485 communication type circuit breaker 8 through the air switch 7 or connected to the input end of the communication module. The RS485 communication type circuit breaker 8 is connected with the communication module.

[0029] The power control module is used for controlling the power output of the UPS device 4 and the STS. The STS unit 6 is a multi-power static transfer switch. The RS485 communication type circuit breaker 8 is a circuit breaker protection device integrating information communication and circuit control. The power input end of the RS485 communication type circuit breaker 8 is connected with the STS output and the air switch 7. The intermediate layer uses the air switch 7 to facilitate the communication debugging of the RS485 communication type circuit breaker 8. The STS unit 6 is connected with the UPS device 4 to provide the input of power of all terminal devices. The UPS power output is connected to the STS input. The number of STS units 6 is increased according to the actual number of UPSs, including but not limited to a single unit. The air switch 7 is powered by the output end of the STS unit 6. The output end of the air switch 7 is connected with the input end of the RS485 communication type circuit breaker 8. The STS unit 6 is used for ensuring the power distribution adjustment of zero-time-delay sensing switching of the output side load when the input side UPS device 4 fails in the working mode power supply system, so as to ensure the continuous supply of the output side power.

[0030] Further, the communication module comprises a POE gateway 9 and a POE serial server 10, the POE gateway 9 is provided with an optical transceiver unit 11 and is connected with a remote terminal module through the optical transceiver unit 11, the POE gateway 9 is connected with the STS unit 6, the POE gateway 9 is connected with the POE serial server 10 through a super six category double shielded network connection line, and the POE serial server 10 is connected with the UPS device 4 and the RS485 communication type circuit breaker 8 respectively.

[0031] Further, the POE serial server 10 is provided with an RS232 communication interface and an RS485 communication interface, the RS232 communication interface of the POE serial server 10 is connected with the RS232 communication interface of the UPS device 4 through an RS232 communication cable, and the RS485 communication interface of the POE serial server 10 is connected with the RS485 communication type circuit breaker 8 through an RS485 communication cable.

[0032] Further, the POE serial server 10 comprises two groups, any one group of the POE serial server 10 is connected with the UPS device 4, and the other group is connected with the RS485 communication type circuit breaker 8, and the output end of the RS485 communication type circuit breaker 8 can also be connected with an external device through a power line.

[0033] Among them, the power input of the POE gateway 9 is provided by the STS, the POE gateway 9 provides power input for all devices in the device that meet the POE technical protocol, realizes the functions of power supply and network communication, the POE serial server 10 provides the conversion of RS232, RS485 communication interface and Ethernet communication protocol, and is connected with the POE gateway 9 through a super six category double shielded network connection line through an Ethernet interface to realize network communication; in addition, the POE gateway 9 can also supply power to the POE serial server 10, so the POE serial server 10 does not need an independent power supply, which effectively optimizes the line structure; the power link input of the POE gateway 9 is connected with the output end of the uninterruptible power supply STS, and the POE gateway 9 can ensure 7*24h uninterrupted communication under the power support of the uninterruptible power supply system.

[0034] Further, the remote terminal module comprises a terminal PC control device 15, a fiber card 14 and an optical module, the terminal PC control device 15 is connected with the fiber card 14, the fiber card 14 realizes access to the optical transceiver integrated unit 11 on the POE gateway 9 by being connected with the optical module, the optical module comprises an optical module A 12 and an optical module B 13, the optical module A 12 is connected with the optical module B 13, the optical module A 12 is connected with the POE gateway 9, the optical module B 13 is connected with the fiber card 14, the optical transceiver integrated unit 11 realizes high-speed and stable optical communication transmission by being connected with the optical module A 12 and the optical module B 13 to access the fiber card 14 configured by the remote control terminal, and the power of other required precision power supply special peripherals is provided by the STS output.

[0035] The POE gateway 9 provides a standard RJ45 network interface and an optical module interface, the optical module interface is used for high-speed and long-distance transmission scene to meet real-time control and monitoring of the remote control terminal, the remote control terminal is configured with the fiber card 14 to realize stable and high-speed real-time system monitoring, the RJ45 network interface is used to connect the POE serial server 10, the optical module interface is used to connect the optical module, the optical module A 12 is connected to the optical module interface of the POE gateway 9 through the optical transceiver integrated unit 11. The POE gateway 9 is not only the information communication center of the system, but also realizes power supply for the serial server device meeting the POE technology, applies network line direct connection, and reduces other wiring cost.

[0036] The remote terminal module comprises but is not limited to the PC control device 15, the terminal power supply device with precision power supply requirement and the special peripheral, the PC control device 15 is used as the monitoring control terminal to realize operation and control of the uninterrupted remote power control system.

[0037] Further, the RS485 communication type circuit breaker 8 is provided with a communication port A+, B-, and the RS485 communication type circuit breaker 8 is connected with the POE serial server 10 through the communication port A+, B-.

[0038] Further, the POE serial server 10 is provided with a 485 interface TX+, a 485 interface TX-, the communication port A+ of the RS485 communication type circuit breaker 8 is connected with the 485 interface TX+ of the POE serial server 10, the communication port B- of the RS485 communication type circuit breaker 8 is connected with the 485 interface TX- of the POE serial server 10, the POE serial server 10 connected with the RS485 communication type circuit breaker 8 realizes control and monitoring of the circuit by the remote terminal, and the wired Ethernet side of the POE serial server 10 uses the super six category shielded network line to access the POE gateway 9.

[0039] The above scheme is firstly connected with the commercial power and the generator output through the ATS input end to form a first layer of power backup guarantee;

[0040] Secondly, the UPS device includes but is not limited to a single device, the power input of which is composed of two forms, one is a standard commercial power input, and the other is a generator power input, and the UPS device is applied to form a second layer of power redundancy guarantee;

[0041] Finally, a third layer of power redundancy guarantee is formed by the UPS multi-device parallel connection STS access and the battery pack expansion application, and a high-stable-precision uninterrupted power system in a long-endurance form is constituted, the UPS is mounted with an external battery pack to meet the storage expansion, the positive, negative and ground ports of the UPS mounting point are respectively connected with the corresponding ports of the battery pack, a communication link is connected with a POE serial server using an RS232 interface, the power output end of the UPS is connected with the STS input, the STS is a multi-source selection static automatic switching system, adopts a switching mode of first breaking and then connecting to provide double bus power supply for a single power load, uses an SCR electronic switch to realize the switching in an interval of about 3ms, is arranged at the output end of the UPS, and cooperates with a load bus synchronous system LBS to realize the non-inductive uninterrupted switching of the load.

[0042] As shown in Figure 3 Fig. 3 is a structure principle diagram of an external UPS modular parallel connection mode system of the STS, the mode is a hot backup system composed of multiple UPSs of the same specification, each UPS works independently, obtains each execution parameter of each other through a communication cable, detects the output loop current size and quickly controls to achieve the purpose of load sharing, so that the output is balanced; when the AC main road and the UPS are normal, the AC is connected in parallel to the load (communication module, power control module, external device, etc.) through the UPS rectifier, inverter and STS output; when the AC main road is abnormal and each UPS is normal, the inverters of all the parallel connection UPSs simultaneously supply the load with the direct current of the battery through the STS to realize uninterrupted power supply; when there is complete discharge of the UPS, the remaining UPSs share the load until all the UPSs are discharged, at this time, all the UPSs simultaneously transfer the load to the AC bypass; when the AC main road is normal and there is a single fault in the UPS, the machine is automatically disconnected from the system immediately, and the remaining UPSs bear all the load. The hot backup in the parallel connection mode is a multi-bypass working system, the UPS has strong on-site maintenance capability, the load sharing mode has small loop current, and the system runs efficiently.

[0043] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A remote power monitoring device based on multiple redundant power supplies, characterized by: The source power system module, the communication module connected with the source power system module, the power control module connected with the source power system module, and the remote terminal module connected with the communication module are provided, the source power system module includes a commercial power unit, a generator, an ATS unit, and a UPS device, the output ends of the commercial power unit and the generator are connected with the input end of the ATS unit, the output end of the ATS unit is connected with the AC input end of the UPS device, and the UPS device is connected with a battery pack in series.

2. The multi-redundant power supply based remote power monitoring device of claim 1, wherein: When the number of the UPS devices is greater than two, the multiple groups of the UPS devices are connected in parallel, and the output end of the ATS unit is connected with the AC input end of each group of the UPS devices.

3. The multiple-redundant power supply based remote power monitoring device of claim 2, wherein: The RS232 communication interface and the battery pack connecting terminal are arranged on the UPS device, the UPS device is connected with the communication module through the RS232 communication interface, and the UPS device is connected with the battery pack through the battery pack connecting terminal.

4. The multiple-redundant power supply based remote power monitoring device of claim 2, wherein: The power control module includes an STS unit, an air switch, and an RS485 communication type circuit breaker, the output ends of the multiple groups of the UPS devices are connected with the STS unit in parallel, the output end of the STS unit is connected with the input end of the RS485 communication type circuit breaker or the input end of the communication module through the air switch, and the RS485 communication type circuit breaker is connected with the communication module.

5. The multiple-redundant power supply based remote power monitoring device of claim 4, wherein: The communication module includes a POE gateway and a POE type serial server, the POE gateway is connected with the remote terminal module through the optical transceiver unit arranged on the POE gateway, the POE gateway is connected with the STS unit, the POE gateway is connected with the POE type serial server through the super six category double-shielded network connection line, and the POE type serial server is connected with the UPS device and the RS485 communication type circuit breaker.

6. The multiple-redundant power supply based remote power monitoring device of claim 5, wherein: The RS232 communication interface and the RS485 communication interface are arranged on the POE type serial server, the RS232 communication interface of the POE type serial server is connected with the RS232 communication interface of the UPS device through the RS232 communication cable, and the RS485 communication interface of the POE type serial server is connected with the RS485 communication type circuit breaker through the RS485 communication cable.

7. The multiple-redundant power supply based remote power monitoring device of claim 6, wherein: The POE type serial server includes two groups, any group of the POE type serial server is connected with the UPS device, the other group is connected with the RS485 communication type circuit breaker, and the output end of the RS485 communication type circuit breaker can also be connected with an external device through a power line.

8. The multiple-redundant power supply based remote power monitoring device of claim 5, wherein: The remote terminal module includes a terminal PC control device, a fiber network card, and an optical module, the terminal PC control device is connected with the fiber network card, and the fiber network card is connected with the optical module to access the optical transceiver unit of the POE gateway.

9. The multiple-redundant power supply based remote power monitoring device of claim 5, wherein: The communication port A+ and the communication port B- are arranged on the RS485 communication type circuit breaker, and the RS485 communication type circuit breaker is connected with the POE type serial server through the communication port A+ and the communication port B-.

10. The multiple-redundant power supply based remote power monitoring device of claim 9, wherein: The POE type serial port server is provided with a 485 interface TX+, a 485 interface TX-, a communication port A+ of the RS485 communication type circuit breaker is connected with the 485 interface TX+ of the POE type serial port server, and a communication port B- of the RS485 communication type circuit breaker is connected with the 485 interface TX- of the POE type serial port server.

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