CN206673686U - A kind of computer room safety defense monitoring system - Google Patents

Abstract

The utility model discloses a kind of computer room safety defense monitoring system, solve the problems, such as civil power too low and cause equipment can not normal work, its drip irrigation device is, including civil power power supply device, stand-by power supply, it is coupled to civil power power supply device and is used to detect whether line voltage crosses the voltage check device for being less than default voltage reference value and voltage sense signal, voltage check device is coupled to the control device of receiving voltage detection signal and output control signal, it is coupled to control device and in response to control signal so that civil power power supply device to be switched to the switching device of stand-by power supply；When line voltage is less than voltage reference value, control device control switching device starts to be energized with cut-in stand-by power supply to calculator room equipment, computer room safety defense monitoring system of the present utility model, it can ensure that being directly switch into stand-by power supply after civil power is reduced to certain value is powered, avoid due to civil power is too low and cause calculator room equipment can not normal work, in turn result in and situations such as loss of data occur.

Description

A kind of computer room safety defense monitoring system

Technical field

Monitoring system is the utility model is related to, more particularly to a kind of computer room safety defense monitoring system.

Background technology

Computer room generally refers to telecommunications, Netcom, movement, two-wire, electric power and government or enterprise etc., service device , the IT places of service are provided for user and employee, tens small square meters are general to place twenty or thirty rack, and big is up to ten thousand Square meter places thousands of individual racks, even more more, and various servers are generally placed in computer room the inside, such as IBM minicomputers, HP small-sized Machine, SUN minicomputers etc., temperature and humidity and anti-static precautions for computer room have strict requirements, amateur project Personnel can not typically enter, and the server in computer room runs many business, such as multimedia message, short message, the talk business moved Deng.

Wherein the electric power system of computer room is typically realized by the way of civil power is accessed, but civil power often occur it is unstable Situation, such as during in the presence of big load user, power network will be made a big impact during start and shutdown, computer room is just It may feel that the situation of voltage instability；Or failure in transmission and distribution networkses, reactive power consumption is too many and compensate not in power network Foot etc. reason can impact to power network；Once and brownout, then easily causing the equipment in computer room can not normally transport OK, extreme influence can be produced to working, living, so with certain room for improvement.

Utility model content

The purpose of this utility model is to provide a kind of computer room safety defense monitoring system, can cut standby electricity in brownout Source is powered, and avoids having an impact electrical equipment.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of computer room safety defense monitoring system, including the civil power power supply device energized to calculator room equipment, in addition to stand-by power supply, It is coupled to civil power power supply device and for detecting whether line voltage is crossed less than default voltage reference value and output voltage inspection Survey the voltage check device of signal, be coupled to control of the voltage check device with receiving voltage detection signal and output control signal Device, it is coupled to control device and in response to control signal so that civil power power supply device to be switched to the switching device of stand-by power supply； When line voltage is less than voltage reference value, the control device control switching device starts with cut-in stand-by power supply to calculator room equipment Energy supply.

Using such scheme, voltage check device detects to line voltage, and by detected line voltage and institute Default voltage reference value is compared, if less than voltage detection signal corresponding to exporting if voltage reference value to controlling dress Put, switching device is controlled by control device with by civil power power supply device to calculator room equipment power switching to stand-by power supply Calculator room equipment is powered, avoid due to civil power is too low and cause calculator room equipment can not normal work, in turn result in and number occur Situations such as according to losing, ensure that work, life will not have an impact, ensure the reliability of computer room safety monitoring.

Preferably, step-down rectifier device has been also coupled between the civil power power supply device and voltage check device, it is described Step-down rectifier device includes being coupled to civil power power supply device with the reduction voltage circuit of output buck signal and being coupled to reduction voltage circuit To receive buck signal and carry out the rectification circuit of output rectified signal after rectification.

Using such scheme, reduction voltage circuit is depressured to line voltage so that the voltage being linked into rectification circuit is Low-voltage, reduce high pressure access and cause danger, while ensure that the element in rectification circuit can use small parameter element i.e. It can be achieved, direct current is converted into by rectification circuit according to the alternating current after decompression, facilitates the design of subsequent conditioning circuit to realize.

Preferably, the voltage check device includes being used for the reference value circuit and use for setting voltage reference value In judge line voltage whether less than voltage reference value and voltage sense signal decision circuitry.

Using such scheme, the setting of reference value circuit causes the convenient change to voltage reference value, if follow-up Can more easily it be adjusted when in debugging process if necessary to change voltage reference value, and decision circuitry is then to civil power Whether voltage is judged less than power reference value, realizes the function that voltage check device is detected to civil power.

Preferably, also include in response to switching device and for indicating that the in running order instruction of stand-by power supply fills Put.

Using such scheme, instruction device realizes the instruction to the working condition of stand-by power supply, while also to current city Whether piezoelectric voltage is indicated extremely, facilitates technical staff to carry out the maintenance in later stage after abnormal information is got.

Preferably, the instruction device is visual indicator and/or sound indicator.

Using such scheme, visual indicator is to realize by light to prompt staff, and sound instruction Device is then prompted staff by sound, now can be according to different requirements to realize multiple combinations, i.e., only It can also be indicated using visual indicator to carry out instruction only with sound indicator, it can in addition contain using sound Indicator is indicated with the mode that visual indicator is bonded with each other so that it is more reasonable to set, using enhanced convenience.

Preferably, the instruction device is strobelight indicator.

Using such scheme, the flicker of light can be improved using the significance during light cue, allow technical staff What is be more prone to gets corresponding information, to know that abnormal state occurs in line voltage.

Preferably, also include short message sending terminal and start short message sending in response to switching device and for discontinuity Intermittent drive device of the device to be reminded to technical staff's transmission short message.

Using such scheme, intermittent drive device realizes that discontinuity starts the function of short message sending terminal, that is, causes every Certain interval of time sends a short message and loses no time to be overhauled to technical staff, reminding technology personnel, avoids generation accident；If only A SMS notification technical staff is only sent, then occurs that technical staff forgets the thing that needs overhaul because thing is busy Feelings, even without the situation for noticing short message, in the case of no completion maintenance, constantly technical staff is given to send short message, with Reach more preferable reminding effect, while play a part of warning, severity is illustrated with quantity, at most said if short message quantity is crossed It is bright the abnormal some time occurred, it is necessary to be overhauled at once, avoid producing ill effect.

Preferably, it has been also coupled between the intermittent drive device and switching device for the intermittent drive of delayed startup The time-delay mechanism of dynamic device.

Such scheme is used, if technical staff inherently in computer room, can get information by instruction device in time, Delayed startup intermittence drive device is then carried out by time-delay mechanism, to ensure that technical staff is obtaining the feelings of abnormal information Under condition, reminded without sending short message；, whereas if technical staff is no longer in computer room, then after time-delay mechanism enters line delay Start intermittent drive device to carry out discontinuity prompting.

Preferably, the time-delay mechanism include in response to switching device be delayed output time delayed signal delay circuit with And it is coupled to delay circuit and in response to time delayed signal to turn on the drive circuit of the current supply circuit of intermittent drive device.

Using such scheme, delay circuit can complete the function of delay, be carried out by drive circuit according to time delayed signal Driving, to turn on the current supply circuit of intermittent drive device, ensureing the function of delay transmission short message can reasonably realize, circuit Design is simple, easily realizes.

Preferably, the delay circuit is 555 delay circuits.

Using such scheme, the design of 555 delay circuits is simple, and easily realizes, facilitates designer to subsequent conditioning circuit Design, and cost is cheap, and later maintenance is simple.

In summary, the utility model has the advantages that：It can ensure after civil power is reduced to certain value directly Stand-by power supply is switched to be powered, avoid due to civil power is too low and cause calculator room equipment can not normal work, in turn result in out Situations such as existing loss of data, the energy supplying system of overall computer room is monitored.

Brief description of the drawings

Fig. 1 is the system block diagram of computer room safety defense monitoring system；

Fig. 2 is the circuit theory diagrams of embodiment one；

Fig. 3 is the circuit theory diagrams of embodiment two；

Fig. 4 is the circuit theory diagrams of embodiment three；

Fig. 5 is the circuit theory diagrams of example IV.

In figure：1st, civil power power supply device；2nd, step-down rectifier device；21st, reduction voltage circuit；22nd, rectification circuit；3rd, voltage detecting Device；31st, reference value circuit；32nd, decision circuitry；4th, control device；5th, switching device；6th, instruction device；7th, it is intermittent Drive device；8th, time-delay mechanism；81st, delay circuit；82nd, drive circuit.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Embodiment one, a kind of disclosed computer room safety defense monitoring system, as shown in figs. 1 and 2, including energize to calculator room equipment Civil power power supply device 1 including stand-by power supply, be coupled to civil power power supply device 1 and for detect line voltage whether cross be less than The voltage check device 3 of default voltage reference value and voltage sense signal, voltage check device 3 is coupled to receive The control device 4 of voltage detection signal and output control signal, it is coupled to control device 4 and in response to control signal with by civil power Power supply device 1 switches to the switching device 5 of stand-by power supply；When line voltage is less than voltage reference value, the control switching of control device 4 Device 5 starts to be energized with cut-in stand-by power supply to calculator room equipment.

Civil power power supply device 1 includes transformer primary side L1 and Circuit Fault on Secondary Transformer L2, and Circuit Fault on Secondary Transformer L2 is coupled to Transformer primary side L1 provides required electric energy for calculator room equipment to receive line voltage.

Step-down rectifier device 2 is also coupled between civil power power supply device 1 and voltage check device 3, step-down rectifier device 2 wraps Include and be coupled to civil power power supply device 1 with the reduction voltage circuit 21 of output buck signal and be coupled to reduction voltage circuit 21 to receive decompression Signal and the rectification circuit 22 for carrying out output rectified signal after rectification；Reduction voltage circuit 21 includes transformer side L3 three times, transformer Side L3 is coupled to transformer primary side L1 to receive line voltage three times, and transmits buck signal to rectified current after decompression Road 22, wherein transformer three times side L3 the number of turn much smaller than transformer primary side L1 the number of turn using ensure decompression after voltage to be small Voltage；Rectification circuit 22 is the full-bridge rectification being made up of VD1~VD4 diodes, while is connected with filter capacitor C in output end, So as to realize the function of rectifying and wave-filtering.

Voltage check device 3 includes being used to set the reference value circuit 31 of voltage reference value and for judging civil power Whether voltage is less than voltage reference value and the decision circuitry 32 of voltage sense signal；Reference value circuit 31 includes mutual The resistance R1 and regulation resistance RP of series connection, connecting node between resistance R1 and regulation resistance RP is to export a voltage reference Value；Decision circuitry 32 includes the triode Q1 of NPN type, triode Q1 base bias by resistance R1 and regulation resistance RP partial pressure Obtain, wherein voltage reference value is triode Q1 base bias, when line voltage is 200V, by regulation resistance RP Regulation causes triode Q1 just at saturation conduction state, now, its current collection extremely low level, when line voltage drops into During below 180V, the transformer voltage that side L3 is exported three times reduces, and triode Q1 exits saturation region, and its collector potential rises, High level is exported, so as to realize when line voltage reduces, is detected by voltage check device 3 and exports different current potentials Signal is to represent the state of line voltage.

Control device 4 includes the triode Q2 of NPN type, the preferably relay KM2 of switching device 5, triode Q2 base stage Triode Q1 colelctor electrode, triode Q2 grounded emitter are connected to, triode Q2 colelctor electrode is connected to relay KM2's Coil, relay KM2 normally opened contact access calculator room equipment, relay KM2 normally-closed circuit connection after being connected to stand-by power supply Calculator room equipment is accessed after Circuit Fault on Secondary Transformer L2.

Specific work process is as follows：

When voltage check device 3 detects that line voltage is decreased below voltage reference value, voltage check device 3 exports The voltage detection signal of one high level is to triode Q2 base stage, triode Q2 conductings, relay KM2 coil obtain it is electric, after Electrical equipment KM2 normally opened contact closure, and normally-closed contact disconnects so that switch to stand-by power supply from civil power power supply device 1 and supplied Electricity.

Embodiment two, on the basis of embodiment one, as shown in Fig. 1 and 3, computer room safety defense monitoring system also includes ringing Should be in switching device 5 and for indicating the in running order instruction device 6 of stand-by power supply；Instruction device 6 is visual indicator And/or sound indicator；In the present embodiment, instruction device 6 is strobelight indicator.

Strobelight indicator includes oscillator, triode Q3 and indicator lamp LED1, the controlled terminal of oscillator be coupled to after Power supply is connected after electrical equipment KM2 normally opened contact, the output end of oscillator is coupled to triode Q3 base stage, and controls triode Q3 Break-make, triode Q3 colelctor electrode, which is connected to after indicator lamp LED1, connects power supply, triode Q3 grounded emitter, when after Electrical equipment KM2 coil obtains electric, control relay KM2 normally opened contact closure so that control oscillator operation, export a control Signal, control signal are square wave, control triode Q3 alternating break-makes, to cause indicator lamp LED1 discontinuity to indicate, realize instruction Function.

Embodiment three, on the basis of embodiment one or embodiment two, as shown in Fig. 1 and 4, computer room safety monitoring system System also includes short message sending terminal and starts short message sending device in response to switching device 5 and for discontinuity to give technology people Member sends the intermittent drive device 7 that short message is reminded.

Intermittent drive device 7 includes 555 multi-resonant oscillating circuits and execution circuit.

555 multi-resonant oscillating circuits are made up of 555 timing chips, the first pin of 555 timers ground connection, second pin and the Six pins are coupled, and the 6th adjustable resistance R16 and the 5th resistance R15 is connected between power supply VCC, and the 7th pin is connected to the 6th Adjustable resistance R16 and the 5th resistance R15 connect the node to be formed, and the 3rd electric capacity C11 is also connected between second pin and ground terminal, The 4th electric capacity C12 is connected between 5th pin and ground terminal, by controlling the 6th adjustable resistance R16 that it can be controlled to export PWM The dutycycle of ripple, so as to control the interlude of output pulse, and then output square wave is realized just to enter after separated in time Row driving.The controlled end of 555 multi-resonant oscillating circuits is power supply VCC, i.e., in power supply VCC and the 8th pin, the 4th pin institute shape Into node between be connected to relay KM2 normally-closed contact, when the keying of relay KM2 normally opened contact, realize to more than 555 The keying of resonance oscillation circuit.

Execution circuit includes the triode Q5 and relay KM5 of NPN type, and triode Q5 base stage is connected to 555 multi-resonants The output end of circuit, triode Q5 grounded emitter are swung, triode Q5 colelctor electrode is connected to relay KM5 coil, after Electrical equipment KM5 normally opened contact is connected to the current supply circuit of short message sending terminal.

The specific course of work is as follows：

After relay KM2 coil obtains electric, relay KM2 normally opened contact closure so that 555 multi-resonant oscillating circuits open It is dynamic, when the signal of 555 multi-resonant oscillating circuits output high level is to triode Q5, triode Q5 conductings, relay KM5 coil Must be electric, relay KM5 normally opened contact is closed so that short message sending terminal work so that short message occurs to technical staff.

Example IV, on the basis of embodiment three, as shown in Fig. 1 and 5, intermittent drive device 7 and switching device The time-delay mechanism 8 for delayed startup intermittence drive device 7 is also coupled between 5.

Time-delay mechanism 8 includes exporting the delay circuit 81 of time delayed signal in response to switching device 5 with delay and is coupled to Delay circuit 81 and in response to time delayed signal to turn on the drive circuit 82 of the current supply circuit of intermittent drive device 7.

Delay circuit 81 is coupled to the normally opened of relay KM2 for the controlled end of the delay circuit 81 of 555 delay circuit 81,555 Contact, the controlled end of 555 delay circuits 81 is power end, thus relay KM2 normally opened contact be connected to power supply and 555 chips it Between, when relay KM2 normally opened contact closure, then the electric energy of 555 delay circuit 81 is provided, after switching on power, due to electric capacity C1 is charged, that is, electric current and potential difference be present, so as to ensure that the crus secunda of 555 chips and the 6th pin are in high level, this When 555 chips the 3rd pin output low level, as electric capacity Cl chargings are until charging complete, due to electric capacity it is fully charged after i.e. no longer Charging, therefore is not present electric current and current potential, is obstructed dc source by electric capacity C1 so that the crus secunda of 555 chips and the The current potential of six pin becomes low level, and the electric signal of output end output is overturn, i.e. the signal of output end output is become by low level For high level, and it is always maintained at down.Diode VD is set for electric capacity C2 electric discharges after power cut-off.

Drive circuit 82 includes the triode Q4 and relay KM4 of NPN type, and triode Q4 base stage is connected to 555 delays The output end of circuit 81, triode Q4 colelctor electrode are connected to relay KM4 coil, and grounded emitter, relay KM4's is normal Contact portion is opened in 555 multi-resonant oscillating circuits to control its keying.

The specific course of work is as follows：

After relay KM2 coil obtains electric, relay KM2 normally opened contact closure so that delay circuit 81 start with The time delayed signal of delay one high level of output turns on to triode Q4, triode Q4, and relay KM4 coil obtains electric, relay Device KM4 coil obtains electric, and 555 multi-resonant oscillating circuits start, when the signal of 555 multi-resonant oscillating circuits output high level is to triode During Q5, triode Q5 conductings, relay KM5 coil obtains electric, and relay KM5 normally opened contact is closed so that short message sending end Hold work that short message occurs to technical staff.

Claims (10)

1. a kind of computer room safety defense monitoring system, including the civil power power supply device (1) energized to calculator room equipment, it is characterized in that：Also wrap Stand-by power supply is included, is coupled to civil power power supply device (1) and is less than default voltage reference for detecting line voltage and whether crossing The voltage check device (3) of value and voltage sense signal, voltage check device (3) is coupled to receiving voltage detection signal And the control device (4) of output control signal, it is coupled to control device (4) and in response to control signal with by civil power power supply device (1) switching device (5) of stand-by power supply is switched to；When line voltage is less than voltage reference value, control device (4) control is cut Changing device (5) starts to be energized with cut-in stand-by power supply to calculator room equipment.

2. a kind of computer room safety defense monitoring system according to claim 1, it is characterized in that：The civil power power supply device (1) with Step-down rectifier device (2) is also coupled between voltage check device (3), the step-down rectifier device (2) includes being coupled to civil power Power supply device (1) is with the reduction voltage circuit (21) of output buck signal and is coupled to reduction voltage circuit (21) to receive buck signal simultaneously The rectification circuit (22) of rectified signal is exported after progress rectification.

3. a kind of computer room safety defense monitoring system according to claim 1, it is characterized in that：Voltage check device (3) bag Include the reference value circuit (31) for setting voltage reference value and for judging whether line voltage is less than voltage reference It is worth the decision circuitry (32) of simultaneously voltage sense signal.

4. a kind of computer room safety defense monitoring system according to claim 1, it is characterized in that：Also include in response to switching device (5) and for indicating the in running order instruction device of stand-by power supply (6).

5. a kind of computer room safety defense monitoring system according to claim 4, it is characterized in that：The instruction device (6) is light Indicator and/or sound indicator.

6. a kind of computer room safety defense monitoring system according to claim 4 or 5, it is characterized in that：The instruction device (6) is frequency Flashing light optical indicator.

7. a kind of computer room safety defense monitoring system according to claim 1, it is characterized in that：Also include short message sending terminal and Start short message sending device in response to switching device (5) and for discontinuity to send the intermittence of short message prompting to technical staff Drive device (7).

8. a kind of computer room safety defense monitoring system according to claim 7, it is characterized in that：The intermittent drive device (7) The time-delay mechanism (8) for delayed startup intermittence drive device (7) is also coupled between switching device (5).

9. a kind of computer room safety defense monitoring system according to claim 8, it is characterized in that：The time-delay mechanism (8) includes ringing Should in switching device (5) be delayed export time delayed signal delay circuit (81) and be coupled to delay circuit (81) and in response to Time delayed signal is to turn on the drive circuit (82) of the current supply circuit of intermittent drive device (7).

10. a kind of computer room safety defense monitoring system according to claim 9, it is characterized in that：The delay circuit (81) is 555 Delay circuit.