CN101907671A - Low-power consumption power outage detection acquisition system for data center - Google Patents
Low-power consumption power outage detection acquisition system for data center Download PDFInfo
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- CN101907671A CN101907671A CN 201010214383 CN201010214383A CN101907671A CN 101907671 A CN101907671 A CN 101907671A CN 201010214383 CN201010214383 CN 201010214383 CN 201010214383 A CN201010214383 A CN 201010214383A CN 101907671 A CN101907671 A CN 101907671A
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Abstract
The invention discloses a low-power consumption power outage detection acquisition system for a data center. The system comprises a machine cabinet power outage detection acquisition part, a switching value signal conversion part and a data recording and alarming part which are connected sequentially, wherein in the machine cabinet power outage detection acquisition part, an EMI filter circuit is connected with an alternating-current power supply and a rectifier filter circuit; the rectifier filter circuit is connected with a power status indicating circuit and a photoelectric isolation circuit; the photoelectric isolation circuit is connected with a driving circuit; and the driving circuit is connected with a USB interface, and the USB interface is used for outputting dry contacts and inputting an external direct-current power source. The power outage detection acquisition system has low power consumption in the monitoring state and does not generate interference on a power supply system of a data center machine room; and when a machine cabinet meets power outage unexpectedly, a power outage detection signal is outputted by adopting a mode of combining power status indication and alarm signal output.
Description
Technical field
The present invention relates to a kind of outage detection system, relate in particular to a kind of actual needs at Internet data center, the data center's low-power consumption power outage detection acquisition system that can install under the situation that frame need not to cut off the power supply belongs to the outage detection technical field.
Background technology
Data center (Data Center) is a kind of service platform that has perfect network fastening (comprising high-speed Internet access bandwidth, HiperLAN network, safe and reliable building environment etc.), specialized management, perfect application level service.On this service platform basis, data center services merchant provides internet basis platform service and various value-added service for clients such as enterprise and ISP, ICP, ASP.
The problem that existing data center ubiquity centralized monitoring system falls behind relatively.For example whether the power monitoring of its low-voltage power supply and distribution system output terminal that generally can only monitor UPS is exported normally, then can't monitor the power supply state of its next stage rack electricity consumption.Device damage or other reasons cause the power supply isolating switch of this frame input end to disconnect in frame, cause frame outage, the server machine of delaying.Existing centralized monitoring system often can't be detected, can only find or the operation maintenance personnel make an inspection tour discovery by the client, and the power-off time of this moment has a few hours, has had a strong impact on the service quality of data center to the client, and might bring great economic loss to the client.And data center is the unit metering with the second to client's outage reparations, and the length of power-off time has also determined the reparations amount size of data center to the client simultaneously.
In the prior art, the method for carrying out outage detection at the frame of having moved mainly contains three kinds, is respectively described below:
1. on air switch, increase auxiliary contact for the frame power supply.
There is following shortcoming in this method: need be to after the frame outage auxiliary contact being installed on air switch; Increase the layout that auxiliary contact need change power distribution cabinet, difficulty of construction is bigger.
2. the output terminal at the air switch of powering for frame increases current transformer, by having or not of corresponding software logic determines electric current, thereby learns whether rack cuts off the power supply.
There is following shortcoming in this method: need be to increasing current transformer at the isolating switch output terminal after the frame outage; Increase the layout that current transformer need change power distribution cabinet, difficulty of construction is big, cost is high, takies monitoring software system resource.
3. at the PDU of frame (Power Distribution Unit, rack supply socket) insert row place AC relay is installed directly, gathers the electric power thus supplied of insert row.
Also there is following shortcoming in this method: relay for a long time in working order, thermal value and power consumption are bigger, can cause the energy dissipation of machine room.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of data center low-power consumption power outage detection acquisition system.Install under the situation that the frame that this system can move in data center need not to cut off the power supply, realize real-time detection the rack outage.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of data center low-power consumption power outage detection acquisition system comprises the rack outage detection collecting part, switching value conversion of signals part and data recording and the warning part that are linked in sequence, it is characterized in that:
Comprise EMI filtering circuit, current rectifying and wave filtering circuit, photoelectric isolating circuit, power supply status indicating circuit and driving circuit in the described rack outage detection collecting part; Wherein,
Described EMI filtering circuit connects AC power on the one hand, connect current rectifying and wave filtering circuit on the other hand, described current rectifying and wave filtering circuit connects the power supply status indicating circuit on the one hand, connect photoelectric isolating circuit on the other hand, described photoelectric isolating circuit connects driving circuit, described driving circuit connects USB interface, and described USB interface is used to realize dry contact output and external dc power input.
Wherein, described switching value signal conversion part branch comprises switch acquisition module and external dc power; Described switch acquisition module connects described USB interface on the one hand to realize dry contact output, the RS485/RS232 modular converter in connecting described data recording on the other hand and reporting to the police partly, and described external dc power connects described USB interface.
Comprise RS485/RS232 modular converter and building environment and dynamic monitoring system in the described data recording and the part of reporting to the police, described RS485/RS232 modular converter is connected with described building environment and dynamic monitoring system.
Under user mode, described data center is plugged on the jack of rack supply socket with low-power consumption power outage detection acquisition system.
Described data center exports the outage detection signal with the mode that low-power consumption power outage detection acquisition system adopts power supply status indication and alerting signal output to combine.
Power consumption when this power outage detection acquisition system is in monitoring state at ordinary times is extremely low, can not produce interference to the electric power supply system of data central machine room.When the rack accident power-off, corresponding power light can extinguish, and exports a passive switching value signal simultaneously.This switching value signal is input in the machine room centralized monitoring system by the corresponding collecting device in rear end, can realize the real-time collection warning and the data recording of frame outage.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is in this power outage detection acquisition system, the circuit theory diagrams of rack outage detection collecting part;
Fig. 2 carries out the fundamental diagram of outage detection for this power outage detection acquisition system;
Fig. 3 realizes the process flow diagram that outage detection is reported to the police for this power outage detection acquisition system.
Embodiment
Power outage detection acquisition system provided by the present invention is made up of 3 parts that are linked in sequence: rack outage detection collecting part, switching value conversion of signals part, data recording and warning part.Wherein the internal integration of rack outage detection collecting part EMI filtering circuit, current rectifying and wave filtering circuit, photoelectric isolating circuit, power supply status indicating circuit and driving circuit etc.Under user mode at ordinary times, this power outage detection acquisition system directly is plugged on the jack of the PDU (rack supply socket) in the rack.When the rack accident power-off, the power light in the power supply status indicating circuit extinguishes, and exports a passive switching value signal simultaneously.This switching value signal is input in the machine room centralized monitoring system by the corresponding collecting device in rear end, thereby realizes the real-time collection warning and the data recording of frame outage.
As shown in Figure 1, in rack outage detection collecting part, the interchange of civil power (AC) signal input EMI filtering circuit.This EMI filtering circuit is used for the electromagnetic noise and the noise signal of input power supply are suppressed, and prevents from power supply is disturbed, and the clutter that also prevents power supply generation itself simultaneously is to Disturbance in Power Net.The EMI filtering circuit is connected with current rectifying and wave filtering circuit.The effect of current rectifying and wave filtering circuit is to make alternating voltage behind bridge rectifier, obtains comparatively pure DC voltage behind capacitor filtering.The direct current that produces behind current rectifying and wave filtering circuit is divided into two-way, and one the tunnel enters the power supply status indicating circuit, and other one the tunnel enters photoelectric isolating circuit.The power supply status indicating circuit is by the state (on-off) of light emitting diode indication input power supply.The effect of photoelectric isolating circuit is and will isolates output by the light lotus root after the high voltage direct current step-down after the rectification.This photoelectric isolating circuit is connected with driving circuit.The outputs level signals of light lotus root is amplified the action of rear drive miniature relay by driving circuit, output switching value (dry contact) signal.Above-mentioned driving circuit connects USB interface.USB interface is used to realize dry contact output and external dc power input, and wherein the output signal of dry contact is used to realize the on/off differentiation of AC power supplies.Independently external dc power provides power supply for driving circuit, after AC input outage, drives relay output switching value signal.
In this power outage detection acquisition system, the core devices that photoelectric isolating circuit uses is a photoelectrical coupler, it is that light path with light emitting diode and photodiode is coupled, input/output terminal is not altogether, signal transmission go up and isolating transformer basic identical, possess that volume is little, low in energy consumption, safe and reliable, the frequency advantages of higher of transmission signals.Owing to adopted photoelectric isolating circuit, the power consumption when this power outage detection acquisition system is in monitoring state at ordinary times is extremely low, to the noiseless generation of the electric power supply system of machine room.Therefore under the situation that frame need not to cut off the power supply, this power outage detection acquisition system of can directly pegging graft is realized real-time detection that whether frame is cut off the power supply.
Fig. 2 carries out the fundamental diagram of outage detection for this power outage detection acquisition system.When carrying out outage detection, the mode that this power outage detection acquisition system adopts power supply status indication and alerting signal output to combine is exported the outage detection signal.Wherein the power supply status indication is used to make the operator on duty to see very intuitively when patrolling and examining whether the PDU socket has.Its principle of work is such: power outage detection acquisition system is plugged on the insert row of rack supply socket, and the 220V AC power is carried out filtering through the compound filtering circuit that inductance L 1, L2 and resistance R 1, R2 form.Filtered alternating current is through obtaining comparatively level and smooth direct supply after through capacitor C 1 filtering after the full bridge rectifier rectification that D1～D4 forms.Realize the indication of power supply by light emitting diode D5.
With reference to shown in Figure 2, the principle of work of alerting signal output is such: the external dc power input 5V direct current of 1,4 pin of USB interface CN-USB from switching value conversion of signals part.The actuating of relay in the frame outage rear drive collector of being gathered.In frame power supply just often, the electric current of the 5V power supply of input is 0, so that reduce system energy consumption substantially, prolong device lifetime.Carry out photoelectricity by optocoupler IC1 after alternating current process resistance R 4 dividing potential drops after the rectification and isolate, make the Q1 base stage keep low level state, not conducting of Q1, relay K 1 coil no-voltage, relay contact attonity.This moment alarm free.When the AC220V AC power of input disconnects, the not conducting of optocoupler IC1 dead electricity, this moment, the base stage of Q1 was high level, Q1 conducting, relay K 1 coil electricity, relay contact adhesive.Consequent closure signal outside connected switch amount conversion of signals realizes sound and light alarm and data recording in partly changing and being connected to data recording and reporting to the police partly.
As shown in Figure 3, comprise switch acquisition module and external dc power in the switching value conversion of signals part.Wherein, the switch acquisition module connects the dry contact in the rack outage detection collecting part, so that receive its output signal.This output signal is passed through the RS485/RS232 modular converter in the RS-485 communication line input data recording and the part of reporting to the police, the BMS supervisory system (being building environment and dynamic monitoring system) in entering data recording and reporting to the police partly.The output signal of external dc power inserts the USB interface in the rack outage detection collecting part.Need to prove that this external dc power is the power supply from different UPS, to guarantee the reliability of power supply.
Before address, rack outage detection collecting part is gathered the power supply situation of frame, does not have the output of switching value signal during normal power supply, system power dissipation is very low.After detected frame outage, the actuating of relay, output switching value signal.This signal is gathered by the switch acquisition module, is transferred to the BMS supervisory system through after the data-switching by the RS-485 communication line.When the BMS supervisory system detects this switching value closure, carry out the record of data, and report to the police by interface display, computerized speech or activation request message module, real-time informing the operator on duty handle.
More than data center provided by the present invention is had been described in detail with low-power consumption power outage detection acquisition system.To those skilled in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (5)
1. data center's low-power consumption power outage detection acquisition system comprises the rack outage detection collecting part, switching value conversion of signals part and data recording and the warning part that are linked in sequence, it is characterized in that:
Comprise EMI filtering circuit, current rectifying and wave filtering circuit, photoelectric isolating circuit, power supply status indicating circuit and driving circuit in the described rack outage detection collecting part; Wherein,
Described EMI filtering circuit connects AC power on the one hand, connect current rectifying and wave filtering circuit on the other hand, described current rectifying and wave filtering circuit connects the power supply status indicating circuit on the one hand, connect photoelectric isolating circuit on the other hand, described photoelectric isolating circuit connects driving circuit, described driving circuit connects USB interface, and described USB interface is used to realize dry contact output and external dc power input.
2. data center as claimed in claim 1 low-power consumption power outage detection acquisition system is characterized in that:
Described switching value signal conversion part branch comprises switch acquisition module and external dc power; Described switch acquisition module connects described USB interface on the one hand to realize dry contact output, the RS485/RS232 modular converter in connecting described data recording on the other hand and reporting to the police partly, and described external dc power connects described USB interface.
3. data center as claimed in claim 1 low-power consumption power outage detection acquisition system is characterized in that:
Comprise RS485/RS232 modular converter and building environment and dynamic monitoring system in the described data recording and the part of reporting to the police, described RS485/RS232 modular converter is connected with described building environment and dynamic monitoring system.
4. data center as claimed in claim 1 low-power consumption power outage detection acquisition system is characterized in that:
Under user mode, described data center is plugged on the jack of rack supply socket with low-power consumption power outage detection acquisition system.
5. data center as claimed in claim 1 low-power consumption power outage detection acquisition system is characterized in that:
Described data center exports the outage detection signal with the mode that low-power consumption power outage detection acquisition system adopts power supply status indication and alerting signal output to combine.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106646073A (en) * | 2017-02-27 | 2017-05-10 | 国网宁夏电力公司检修公司 | Electronic counter for high-tension switch board and counting method thereof |
| CN107907768A (en) * | 2017-11-30 | 2018-04-13 | 苏州切思特电子有限公司 | A kind of multifunctional electric electric power of equipment detecting system based on EMI filter power supplies |
| CN111929001A (en) * | 2020-08-15 | 2020-11-13 | 廊坊开发区中油新星电信工程有限公司 | Optical cable pipeline safety early warning system |
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Cited By (4)
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| CN111929001A (en) * | 2020-08-15 | 2020-11-13 | 廊坊开发区中油新星电信工程有限公司 | Optical cable pipeline safety early warning system |
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Application publication date: 20101208 |