CN102244413A - Automatic maintenance device for standby battery of uninterruptible power system (UPS) - Google Patents

Automatic maintenance device for standby battery of uninterruptible power system (UPS) Download PDF

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Publication number
CN102244413A
CN102244413A CN2010101661592A CN201010166159A CN102244413A CN 102244413 A CN102244413 A CN 102244413A CN 2010101661592 A CN2010101661592 A CN 2010101661592A CN 201010166159 A CN201010166159 A CN 201010166159A CN 102244413 A CN102244413 A CN 102244413A
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module
ups
voltage
electrically connected
control module
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刘长水
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BEIJING JINGMEI GROUP HOSPITAL
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BEIJING JINGMEI GROUP HOSPITAL
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Abstract

The invention relates to a device for automatically charging and discharging a standby battery of an uninterruptible power system (UPS). The device comprises a control module, a voltage detection module, a switching on/off module and the like, wherein the switching on/off module is arranged at the input end of an AC power supply which supplies power to the UPS; the voltage detection module detects the voltage of the standby battery of the UPS; the switching on/off module and the voltage detection module are both electrically connected with the control module; the control module performs timing according to set automatic maintenance time, controls the switching on/off module to cut AC off to discharge the standby battery of the UPS when time obtained by the timing is equal to the maintenance time, and controls the switching on/off module to switch the AC on and performs maintenance time timing again when the voltage detection module detects the voltage of the standby battery of the UPS is reduced to a certain set value. Manual intervention is not required by the whole maintenance process to save labor cost at the same time of prolonging the service life of the UPS. Simultaneously, the invention also provides a UPS battery under voltage alarming module and a power grid power failure alarming module, which aim to timely give an alarm in exceptions.

Description

A kind of UPS backup battery automatic maintaining device
Technical field
The present invention is applied to the electronic working field, relates to a kind of device that is used for the UPS backup battery is carried out auto charge and discharge.
Background technology
UPS (Uninterruptible Power System, uninterrupted power supply) needs the auxiliary products of uninterrupted power supply electronic equipment as electronic computer and other, because it can continue as the electric that is connect when grid power blackout, obtain user's extensive use.
But the UPS that uses does not also have the function that backup battery is safeguarded automatically at present, and does not have relevant automatic maintaining device yet.In the unit that does not often have a power failure, the backup battery that is in for a long time in the AC-powered state can not carry out normal charge and discharge mode conversion, has caused the decreased performance of backup battery, even has lost function.Have a power failure when needing the backup battery power supply when really running into, can not have alternating voltage output because of the battery functi on forfeiture can't play a role UPS again, cause with electric loading and shut down, bring great even inestimable and loss that can't retrieve.
Stipulate in the UPS service manual that for long-term storage and the battery that often do not use, answer every three months once to discharge and recharge operation, this has also increased operator's labour intensity.
Summary of the invention
Technical problem to be solved by this invention provides a kind of device that can safeguard automatically UPS, make UPS under situation about often not having a power failure, automatically cut off the electricity supply and carry out normal charge and discharge mode conversion, avoid the backup battery performance decrease, all operations is automatically and finishes, and has reduced operator's labour intensity.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: comprise control module, voltage detection module, break-make module, power module; Described voltage detection module is electrically connected with control module; Described break-make module is arranged at the input to the AC power of UPS power supply, is used to cut off and the input that is connected alternating current, and is electrically connected with control module; Described voltage detection module connects the UPS backup battery and is used to detect voltage between UPS backup battery both positive and negative polarity, and information of voltage is sent to control module; Described control module starts according to the continuous firing duration that the UPS backup battery is preset to be safeguarded, and according to cutting off and the instruction that is connected alternating current to the transmission of break-make module from the information of voltage that voltage detection module received; Described power module provides electric power for other modules.
The course of work of the present invention is: before UPS backup battery automatic maintaining device uses, control module is carried out preventive maintenance time set; Under situation about not having a power failure, when arriving the time that needs maintenance, control module is sent the break-make module and is cut off instruction; The break-make module receives the cut-out instruction of control module, cuts off the power input of its place UPS backup battery, and power supply is stopped power supply, and realizes the power failure illusion, and UPS is to powering with electric loading; Voltage detection module detects UPS battery voltage, and sends testing result to control module; When the testing result of the voltage detection module that receives when control module was lower than a certain set point, control module was sent to the break-make module and is communicated with instruction, and the break-make module is connected the input power supply of UPS, makes UPS enter the work of AC-powered state; To the preventive maintenance time next time that sets, UPS backup battery automatic maintaining device will repeat above process automatically.
Beneficial effect of the present invention is: by utilizing the periodic maintenance of above UPS backup battery automatic maintaining device to UPS, prolonged the useful life of UPS battery greatly, saved the use cost of UPS, avoided bringing the battery functi on forfeiture because of UPS can't discharge and recharge for a long time, and the loss that brings thus; This device charge and discharge process carries out automatically, has saved operator's labour intensity; Adopt power module and the common supply power mode of UPS reserve, avoided because of electrical network sudden power or UPS backup battery aging etc. former thereby cause UPS backup battery automatic maintaining device normal operation conditionly to take place.
On the basis of technique scheme, the present invention can also do following further improvement.
Further, also comprise UPS battery brownout alarm module, UPS battery brownout alarm module is electrically connected with control module; Control module is sent alarm command according to from the information of voltage that voltage detection module received to UPS battery brownout alarm module.
Adopt the above further beneficial effect of scheme to be, when the UPS battery brownout, give the alarm, notify the attendant to carry out respective handling.
Further, also comprise the grid power blackout alarm module, described grid power blackout alarm module is electrically connected with power module and UPS battery respectively; When grid power blackout caused the power module power supply to stop, the grid power blackout alarm module was reported to the police under the driven by power of UPS battery.
Adopt the above further beneficial effect of scheme to be, when electrical network has a power failure suddenly, cause power module to power, and then the grid power blackout alarm module gives the alarm, notify the attendant, the electric power that UPS battery provides the grid power blackout alarm module to give the alarm.
Further, comprise that also described display module is electrically connected with control module in order to show the display module of preventive maintenance time, receive the also preventive maintenance time signal of display control module.
Adopt the above further beneficial effect of scheme to be, display module can show directly how long UPS backup battery automatic maintaining device also needs apart from attended operation, needn't external connection display equipment, and intuitive and convenient.
Further, comprise that also the described module that is provided with is electrically connected with control module in order to the module that is provided with of preventive maintenance time to be set, the continuous firing duration that set UPS backup battery is default sends control module to.
Adopt the above further beneficial effect of scheme to be, can be directly the continuous firing duration of UPS backup battery be provided with by module is set, needn't external other input equipments, simple to operate.
Further, described control module is an AT89S51 type single-chip microcomputer.
Adopt the above further beneficial effect of scheme to be, adopt single chip computer AT 89S51, can carry out the corresponding program design, realize function expansion control module as control module.
Further, described voltage detection module comprises first voltage comparator, first optocoupler, first variable resistor, second voltage comparator, second optocoupler, the second adjustable resistance; The in-phase input end of described first voltage comparator is connected with UPS backup battery positive electrical, the inverting input of first voltage comparator is by the first variable resistor ground connection, the output of first voltage comparator is connected with the first optocoupler input, and the output of first optocoupler is electrically connected with the first voltage input end mouth of control module; The in-phase input end of described second voltage comparator is connected with UPS backup battery positive electrical, the inverting input of second voltage comparator is by the second adjustable resistance ground connection, the output of second voltage comparator is connected with the second optocoupler input, and the output of second optocoupler is electrically connected with the control module second voltage input end mouth.
Adopt the above further beneficial effect of scheme to be, by adjusting the first variable-resistance resistance value, make that triggering first voltage comparator when UPS backup battery voltage is reduced to a certain default voltage exports and become electronegative potential by high potential, conducting first optocoupler, the first voltage input end mouth current potential that makes single control module is by changing; By adjusting the resistance value of the second adjustable resistance, make that triggering the output of second voltage comparator when UPS backup battery voltage is reduced to another default voltage becomes electronegative potential by high potential, conducting second optocoupler changes the control module second voltage input end mouth current potential; To realize transmitting the function of UPS battery voltage signal, be convenient to the identification of control module to the UPS battery change in voltage to control module.
Further, described break-make module comprises first triode, first relay, first diode, the 3rd relay; The base stage of described first triode is electrically connected with the first voltage output end mouth of control module, grounded collector, emitter is electrically connected with the parallel circuits that first diode and first relay are formed, the positive terminal of described first diode is electrically connected with the emitter of first triode, the negative pole termination direct current of first diode; One termination direct current of the normal opened contact of first relay, the other end is connected with the 3rd relay; First normally closed contact of the 3rd relay and second normally closed contact are arranged at the power input of UPS.
Adopt the above further beneficial effect of scheme to be, realize the cut-out and the connection of UPS input power supply by relay, make things convenient for single-chip microcomputer closing and open operation to UPS input power supply, the mode that adopts first relay and the 3rd relay assembly to trigger can guarantee that the small-power output of control module can be cut off AC power.
Further, described UPS battery brownout alarm module comprises second triode, second diode, the 4th relay, first light-emitting diode, first buzzer; The base stage of described second triode is electrically connected with the second voltage output end mouth of control module, grounded collector, emitter is electrically connected with the parallel circuits that second diode and the 4th relay are formed, the positive terminal of described second diode is electrically connected with the emitter of second triode, the negative pole termination direct current of second diode; One termination direct current of the normal opened contact of the 4th relay, the other end is electrically connected with the parallel circuits that first light-emitting diode and first buzzer are formed.
The above further beneficial effect of scheme of employing is that employing buzzer and light-emitting diode carry out sound and light alarm, can cause attendant's attention rapidly, are difficult for the possibility of being noted by the people to prevent single warning; Adopt transistor amplifier and relay that buzzer and circuit of LED are driven, can realize sending the purpose of little electric current with control buzzer and light-emitting diode work as the single-chip microcomputer of control module.
Further, described grid power blackout alarm module comprises the 3rd triode, the 3rd diode, second relay, second light-emitting diode, second buzzer; The base stage of described the 3rd triode connects the direct current of power module output, grounded emitter, collector electrode is electrically connected with the parallel circuits that the 3rd diode and second relay are formed, the positive terminal of described the 3rd diode is electrically connected with the collector electrode of the 3rd triode, the direct current of the negative pole termination power module output of the 3rd diode; The direct current of the one termination UPS backup battery output of the normally closed contact of second relay, the other end is electrically connected with the parallel circuits that second light-emitting diode and second buzzer are formed.
Adopt the above further beneficial effect of scheme to be, grid power blackout causes power module to power, thereby makes the relay normally closed contact closure, is communicated with buzzer and circuit of LED by the power supply of UPS backup battery, carries out sound and light alarm, realizes simple.
Description of drawings
Fig. 1 is the logic connection layout of UPS backup battery automatic maintaining device embodiment of the present invention;
Fig. 2 is the power module circuitry figure of UPS backup battery automatic maintaining device embodiment of the present invention;
Fig. 3 is the circuit diagram of the voltage comparator of UPS backup battery automatic maintaining device embodiment of the present invention;
Fig. 4 is the circuit diagram of UPS backup battery automatic maintaining device embodiment of the present invention.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, control module, 2, voltage detection module, 3, the break-make module, 4, power module, 5, display module, 6, UPS battery brownout alarm module, 7, the grid power blackout alarm module, 8, module is set
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
As shown in Figure 1, UPS backup battery automatic maintaining device comprises control module 1, voltage detection module 2, break-make module 3, power module 4, display module 5, UPS battery brownout alarm module 6, grid power blackout alarm module 7, module 8 is set; Wherein, the input of voltage detection module 2 is electrically connected with backup battery on the UPS, and the output of voltage detection module 2 is electrically connected with control module 1; Break-make module 3 is arranged at the input to the AC power of UPS power supply, and is electrically connected with control module 1; Display module 5 is electrically connected with control module 1, to show the preventive maintenance time of UPS backup battery automatic maintaining device; UPS battery brownout alarm module 6 is electrically connected with control module 1, and when the UPS battery brownout, control module 1 will trigger UPS battery brownout alarm module 6 and report to the police; Module 8 is set is electrically connected, in order to continuous firing duration that the UPS backup battery is set and open operation such as attending device work with control module 1; Power module 4 is arranged at the input of break-make module 3 away from the AC power of UPS, power module 4 and UPS backup battery are jointly for control module 1, display module 5, UPS battery brownout alarm module 6 with module 8 is set electric power is provided, cross when hanging down when alternating current outage or UPS backup battery electric weight no matter guaranteeing, UPS backup battery automatic maintaining device can both operate as normal; Grid power blackout alarm module 7 is electrically connected with power module 4 and UPS backup battery respectively, and when grid power blackout causes Alternating Current Power Supply to interrupt making that power module 4 is stopped power supply, grid power blackout alarm module 7 will trigger warning.
Embodiment one
As shown in Figure 2, be the circuit diagram of UPS backup battery automatic maintaining device embodiment of the present invention.
In the present embodiment, control module 1 adopts AT89S51 type single-chip microcomputer, utilizes the assembler language coding.
Voltage detection module 2 adopts LM339 type four voltage comparators, as shown in Figure 3, use wherein two groups--the first voltage comparator A1 and the second voltage comparator A2, the in-phase input end of the first voltage comparator A1 is P5, the inverting input of the first voltage comparator A1 is P4, and the output of the first voltage comparator A1 is P2, and the in-phase input end of the second voltage comparator A2 is P7, the inverting input of the second voltage comparator A2 is P6, and the output of the second voltage comparator A2 is P1; The first optocoupler VL1 and the second optocoupler VL2 adopt 4N-25 type optocoupler.Wherein, the in-phase input end P5 of the first voltage comparator A1 is connected with UPS backup battery positive electrical; The inverting input P4 of the first voltage comparator A1 is by the first variable resistor RH1 ground connection, wins the in-phase input end P5 voltage of voltage comparator A1 when dropping to 10.7V by regulating the resistance value of the first variable resistor RH1, making, and its output P2 overturns; The output P2 of the first voltage comparator A1 is connected with the first optocoupler VL1 input; The first voltage input end mouth of the output of the first optocoupler VL1 and control module, promptly the P3.1 mouth of AT89S51 type single-chip microcomputer is electrically connected.The in-phase input end P7 of the second voltage comparator A2 is connected with UPS backup battery positive electrical; The inverting input P6 of the second voltage comparator A2 is by the second adjustable resistance RH2 ground connection, by regulating the resistance value of the second adjustable resistance RH2, when making the in-phase input end P7 voltage of the second voltage comparator A2 drop to 10.5V, its output P1 voltage overturns; The output P1 of the second voltage comparator A2 is connected with the second optocoupler VL2 input; The second voltage input end mouth of the output of the second optocoupler VL2 and control module, i.e. 3.2 mouthfuls of electrical connections of the P of AT89S51 type single-chip microcomputer.
Break-make module 3 adopts control relay circuit, is made up of the first triode T1, first relay K 1, the first diode D1, the 3rd relay K 3; Wherein, the first triode T1 is a 8550PNP type triode, and first relay K 1 is a 5V small-sized DC relay, and the first diode D1 is a 1N4008 type diode, and the 3rd relay K 3 is a direct current 12V auxiliary relay.In break-make module 3 control relay circuits, the first voltage output end mouth of the base stage of the first triode T1 and control module, the P3.3 mouth that is AT89S51 type single-chip microcomputer is electrically connected, grounded collector, emitter is electrically connected with the parallel circuits that the first diode D1 and first relay K 1 are formed, the positive terminal of the first diode D1 is electrically connected with the emitter of the first triode T1, the negative pole termination 5V direct current of the first diode D1; The termination 12V direct current of the normal opened contact K1-1 of first relay K 1, the other end is connected with the 3rd relay K 3; The first normally closed contact K3-1 of the 3rd relay K 3 and the second normally closed contact K3-2 are arranged at the power input of UPS.
UPS battery brownout alarm module 6 is made up of the second triode T2, the second diode D2, the 4th relay K 4, first LED 1, the first buzzer HA1; Wherein, the second triode T2 is a 8550PNP type triode, and the second diode D2 is a 1N4008 type diode, and the 4th relay K 4 is a 5V small-sized DC relay, first LED 1 is a φ 5mm LED light-emitting diode, and the first buzzer HA1 is the 5V buzzer.In UPS battery brownout alarm module 6 circuit, the second voltage output end mouth of the base stage of the second triode T2 and control module, the P3.4 mouth that is AT89S51 type single-chip microcomputer is electrically connected, grounded collector, emitter is electrically connected with the parallel circuits that the second diode D2 and the 4th relay K 4 are formed, the positive terminal of the second diode D2 is electrically connected with the emitter of the second triode T2, the negative pole termination 5V direct current of the second diode D2; The termination 5V direct current of the normal opened contact K4-1 of the 4th relay K 4, the other end is electrically connected with the parallel circuits that first LED 1 and the first buzzer HA1 form.
Grid power blackout alarm module 7 is made up of the 3rd triode T3, second relay K 2, second LED 2, the second buzzer HA2; Wherein, the 3rd triode T3 is that 8050NPN type triode, the 3rd diode D3 are 1N4008 type diode, second relay K 2 is a 5V small-sized DC relay, and second LED 2 is the 5V buzzer for φ 5mm LED light-emitting diode, the second buzzer HA2.In grid power blackout alarm module 7 circuit, the base stage of the 3rd triode T3 connects the direct current of power module output, grounded emitter, collector electrode is electrically connected with the parallel circuits that the 3rd diode D3 and second relay K 2 are formed, the positive terminal of the 3rd diode D3 is electrically connected with the collector electrode of the 3rd triode T3, the 5V direct current of the negative pole termination power module output of the 3rd diode D3; The direct current of the termination UPS backup battery output of the normally closed contact K2-1 of second relay K 2, the other end is electrically connected with the parallel circuits that second LED 2 and the second buzzer HA2 form.
Module 8 is set adopts two BCD digital dial switches that the continuous firing duration of UPS backup battery is provided with, it is 1 to 99 day that time range is set, and two BCD digital dial switches are connected with P1.0 to the P1.7 mouth of singlechip controller AT89S 51.
Power module 5 is made up of integrated power supply and filter capacitor, as shown in Figure 4, adopts LF-P-20S12W type integrated power supply, and input voltage exchanges 85~265V, and output voltage is direct current 12V.
Display module 5 adopts two anode LED nixie displaies altogether, and two are total to anode LED nixie display and are connected with P0.0 to P0.7 mouth and P2.0 to the P2.7 mouth of singlechip controller AT89S 51.
Simultaneously, present embodiment also comprises AC power input and output socket, battery detecting signal plug, and the RESET button of START button that is used to start and replacement etc., wherein, the P of START button and singlechip controller AT89S51 is connected for 3.0 mouthfuls, and the RET mouth of RESET button and singlechip controller AT89S51 is connected.
Below in conjunction with Fig. 2 the operation principle and the control procedure of present embodiment are described.
AC power is divided into two-way after entering UPS backup battery automatic maintaining device of the present invention: the one tunnel exports the 12V direct voltage through the power conversion rectifier uses for modular circuits such as singlechip controller AT89S51; Another road to accessory power outlet, is that the UPS power supply that is connected is used via the normally closed contact of 12V the 3rd relay K 3.
During use, after singlechip controller AT89S51 gets electric and receives the signal of START button, enter operating state.The preventive maintenance time that P1.0 to the P1.7 mouth of singlechip controller AT89S 51 receives two BCD digital dial switch inputs moves, after waiting to arrive the time of setting, the P3.3 mouth output electronegative potential of single-chip microcomputer, make the first triode T1 conducting, control 1 adhesive of first relay K, its normal opened contact K1-1 closure, make the 3rd relay K 3 get electric adhesive, its the first normally closed contact K 3-1 and the second normally closed contact K3-2 disconnect, cut off alternating current to the UPS current supply circuit, simulation electrical network power down mode makes UPS utilize backup battery to carry out the inversion powered operation.
The first voltage comparator A1 detects the voltage of UPS backup battery from battery detecting signal input socket J1.Because the current potential of the first voltage comparator A1 normal phase input end is higher than end of oppisite phase during normal condition, the first voltage comparator A1 is output as high potential.The first optocoupler VL1 is output as electronegative potential, and 3.1 mouthfuls of detected current potentials of the P of singlechip controller AT89S51 are " 0 ".Owing to the power supply capacity prolongation in time of UPS backup battery reduces, when its voltage is reduced to the voltage turn threshold 10.7V of first voltage comparator A1 setting, first voltage comparator A1 output becomes electronegative potential by high potential, the first optocoupler VL1 conducting, make 3.1 mouthfuls of current potentials of P of singlechip controller AT89S51 become " 1 " by " 0 ", then 3.3 mouthfuls of outputs of the P of singlechip controller AT89S51 become high potential by electronegative potential, the triode T1 that wins is ended, controlling first relay K 1 and 3 power down of the 3rd relay K discharges, the first normally closed contact K3-1 of the 3rd relay K 3 and the second normally closed contact K3-2 are closed again, and UPS is continued by AC-powered work.At this moment, having finished once, simulation has a power failure, UPS backup battery power supply process.
In UPS backup battery automatic maintaining device embodiment of the present invention, the circuit of forming UPS battery brownout alarm module 6, in the course of the work, the second voltage comparator A2 detects the voltage of UPS backup battery in real time, when detected cell voltage is lower than the whole final voltage 10.5V of battery, the second voltage comparator A2 exports electronegative potential, the second optocoupler VL2 conducting, connected single-chip microcomputer P3.2 mouth input high potential " 1 ", P3.4 mouth output electronegative potential, make the second triode T2 conducting, control 4 adhesives of the 4th relay K, its normal opened contact K4-1 closure, first LED 1 is lighted, the first buzzer HA1 sends the sound, reminds the attendant to note UPS backup battery brownout.
During the single-chip microcomputer operate as normal, duplex feeding voltage is arranged: the alternating current of a route civil power is by power conversion rectifier output 12V direct current, enter three terminal regulator 7806 through the J3 terminal, output becomes 6V, powers to single-chip microcomputer behind the PN junction step-down 0.7V of diode D4 again; Another piece three terminal regulator 7806 is introduced after then entering the J1 terminal by the UPS backup battery in another road, and output becomes 6V, powers to single-chip microcomputer behind the PN junction step-down 0.7V of diode D5 again.
The sound light alarming circuit of forming grid power blackout alarm module 7 is the supply power voltage of monitoring electrical network, works as grid power blackout, and during the vanishing of mains supply voltage, grid power blackout alarm module 7 sends the sound and light alarm signal.As shown in Figure 2, the 12V voltage of J3 terminal input is after three terminal regulator 7806 becomes 6V, the output voltage one tunnel of three terminal regulator 7806 is given module for power supply such as singlechip controller AT89S51 through diode D4, and the base stage of the 3rd triode T3 the circuit of grid power blackout alarm module 7 is directly introduced from the output of three terminal regulator 7806 in another road, make the 3rd triode T3 base stage be input as high potential through divider resistance, the 3rd triode T3 conducting, control 2 adhesives of second relay K, its normally closed contact K2-1 disconnects, and warning circuit is not worked; In case generation grid power blackout, the 12V voltage vanishing of J3 terminal input, three terminal regulator 7806 is exported also vanishing, the 3rd triode T3 base potential becomes " 0 ", and the 3rd triode T3 is become by conducting and ends, and 2 of second relay K transfer release condition to because of dead electricity, its normally closed contact K2-1 closure, thereby second LED 2 must electricly be lighted, the second buzzer HA2 sends the sound, sends the sound and light alarm signal of " grid power blackout ", reminds the attendant to carry out necessary processing.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a UPS backup battery automatic maintaining device is characterized in that: comprise control module, voltage detection module, break-make module, power module; Described voltage detection module is electrically connected with control module; Described break-make module is arranged at the input to the AC power of UPS power supply, is used to cut off and the input that is connected alternating current, and is electrically connected with control module; Described voltage detection module connects the UPS backup battery and is used to detect voltage between UPS backup battery both positive and negative polarity, and information of voltage is sent to control module; Described control module starts according to the continuous firing duration that the UPS backup battery is preset to be safeguarded, and according to cutting off and the instruction that is connected alternating current to the transmission of break-make module from the information of voltage that voltage detection module received; Described power module provides electric power for other modules.
2. UPS backup battery automatic maintaining device according to claim 1 is characterized in that: also comprise UPS battery brownout alarm module, UPS battery brownout alarm module is electrically connected with control module; Control module is sent alarm command according to from the information of voltage that voltage detection module received to UPS battery brownout alarm module.
3. UPS backup battery automatic maintaining device according to claim 1 is characterized in that: also comprise the grid power blackout alarm module, described grid power blackout alarm module is electrically connected with power module and UPS battery respectively; When grid power blackout caused the power module power supply to stop, the grid power blackout alarm module was reported to the police under the driven by power of UPS battery.
4. UPS backup battery automatic maintaining device according to claim 1 is characterized in that: comprise that also described display module is electrically connected with control module in order to show the display module of preventive maintenance time, receive the also preventive maintenance time signal of display control module.
5. UPS backup battery automatic maintaining device according to claim 1, it is characterized in that: also comprise in order to the module that is provided with of preventive maintenance time to be set, the described module that is provided with is electrically connected with control module, and the continuous firing duration that set UPS backup battery is default sends control module to.
6. according to each described UPS backup battery automatic maintaining device of claim 1 to 5, it is characterized in that: described control module is an AT89S51 type single-chip microcomputer.
7. according to each described UPS backup battery automatic maintaining device of claim 1 to 5, it is characterized in that: described voltage detection module comprises first voltage comparator (A1), first optocoupler (VL1), first variable resistor (RH1), second voltage comparator (A2), second optocoupler (VL2), the second adjustable resistance (RH2); The in-phase input end (P5) of described first voltage comparator (A1) is connected with UPS backup battery positive electrical, the inverting input (P4) of first voltage comparator (A1) is by first variable resistor (RH1) ground connection, the output (P2) of first voltage comparator (A1) is connected with first optocoupler (VL1) input, and the output of first optocoupler (VL1) is electrically connected with the first voltage input end mouth of control module; The in-phase input end (P7) of described second voltage comparator (A2) is connected with UPS backup battery positive electrical, the inverting input (P6) of second voltage comparator (A2) is by the second adjustable resistance (RH2) ground connection, the output (P1) of second voltage comparator (A2) is connected with second optocoupler (VL2) input, and the output of second optocoupler (VL2) is electrically connected with the control module second voltage input end mouth.
8. according to each described UPS backup battery automatic maintaining device of claim 1 to 5, it is characterized in that: described break-make module comprises first triode (T1), first relay (K1), first diode (D1), the 3rd relay (K3); The base stage of described first triode (T1) is electrically connected with the first voltage output end mouth of control module, grounded collector, emitter is electrically connected with the parallel circuits that first diode (D1) and first relay (K1) are formed, the positive terminal of described first diode (D1) is electrically connected with the emitter of first triode (T1), the negative pole termination direct current of first diode (D1); One termination direct current of the normal opened contact (K1-1) of first relay (K1), the other end is connected with the 3rd relay (K3); First normally closed contact (K3-1) of the 3rd relay (K3) and second normally closed contact (K3-2) are arranged at the power input of UPS.
9. UPS backup battery automatic maintaining device according to claim 2 is characterized in that: described UPS battery brownout alarm module comprises second triode (T2), second diode (D2), the 4th relay (K4), first light-emitting diode (LED1), first buzzer (HA1); The base stage of described second triode (T2) is electrically connected with the second voltage output end mouth of control module, grounded collector, emitter is electrically connected with the parallel circuits that second diode (D2) and the 4th relay (K4) are formed, the positive terminal of described second diode (D2) is electrically connected with the emitter of second triode (T2), the negative pole termination direct current of second diode (D2); One termination direct current of the normal opened contact (K4-1) of the 4th relay (K4), the other end is electrically connected with the parallel circuits that first light-emitting diode (LED1) and first buzzer (HA1) are formed.
10. UPS backup battery automatic maintaining device according to claim 3 is characterized in that: described grid power blackout alarm module comprises the 3rd triode (T3), the 3rd diode (D3), second relay (K2), second light-emitting diode (LED2), second buzzer (HA2); The base stage of described the 3rd triode (T3) connects the direct current of power module output, grounded emitter, collector electrode is electrically connected with the parallel circuits that the 3rd diode (D3) and second relay (K2) are formed, the positive terminal of described the 3rd diode (D3) is electrically connected with the collector electrode of the 3rd triode (T3), the direct current of the negative pole termination power module output of the 3rd diode (D3); The direct current of the one termination UPS backup battery output of the normally closed contact (K2-1) of second relay (K2), the other end is electrically connected with the parallel circuits that second light-emitting diode (LED2) and second buzzer (HA2) are formed.
CN2010101661592A 2010-05-10 2010-05-10 Automatic maintenance device for standby battery of uninterruptible power system (UPS) Pending CN102244413A (en)

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CN106532789A (en) * 2015-09-11 2017-03-22 上海哲宏机电有限公司 Chargeable battery
CN109031038A (en) * 2018-05-25 2018-12-18 烽火通信科技股份有限公司 A kind of method and circuit for realizing power fail warning in PON far end system
CN109041882A (en) * 2018-07-18 2018-12-21 三亚新大兴园林生态有限公司 A kind of trees automatic infusion device and its method with prompting function
CN109450073A (en) * 2018-12-05 2019-03-08 云南电网有限责任公司曲靖供电局 Automatic switching device and communication power supply
CN109873485A (en) * 2017-12-05 2019-06-11 浙江万马新能源有限公司 A kind of power-down retaining circuit and its control method of automatic switchover
CN109946621A (en) * 2019-04-12 2019-06-28 广州市融成锂能锂电池有限公司 Cell voltage full inspection circuit, device and method after a kind of lithium ion battery hot pressing chemical conversion
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CN102946139B (en) * 2012-11-21 2015-06-24 国家电网公司 Spared powder automatic switching device of direct current (DC) power supply
CN102946139A (en) * 2012-11-21 2013-02-27 保定供电公司 Spared powder automatic switching device of direct current (DC) power supply
CN103823102A (en) * 2014-03-11 2014-05-28 浙江怀创科技有限公司 Power failure alarm method and device
CN103823102B (en) * 2014-03-11 2016-07-27 浙江怀创科技有限公司 A kind of logical power-failure alarming device
CN104391186A (en) * 2014-07-02 2015-03-04 广东易事特电源股份有限公司 UPS charging board fault detection machine, UPS charging board fault detection method and device
CN104280598A (en) * 2014-09-19 2015-01-14 合肥荣事达三洋电器股份有限公司 Power supply detection method and detection system for microwave oven
CN106532789A (en) * 2015-09-11 2017-03-22 上海哲宏机电有限公司 Chargeable battery
CN109873485A (en) * 2017-12-05 2019-06-11 浙江万马新能源有限公司 A kind of power-down retaining circuit and its control method of automatic switchover
CN109031038A (en) * 2018-05-25 2018-12-18 烽火通信科技股份有限公司 A kind of method and circuit for realizing power fail warning in PON far end system
CN109041882A (en) * 2018-07-18 2018-12-21 三亚新大兴园林生态有限公司 A kind of trees automatic infusion device and its method with prompting function
CN109450073A (en) * 2018-12-05 2019-03-08 云南电网有限责任公司曲靖供电局 Automatic switching device and communication power supply
CN109946621A (en) * 2019-04-12 2019-06-28 广州市融成锂能锂电池有限公司 Cell voltage full inspection circuit, device and method after a kind of lithium ion battery hot pressing chemical conversion
CN109946621B (en) * 2019-04-12 2024-03-22 广州市融成锂能锂电池有限公司 Full detection circuit, equipment and method for battery voltage after thermal compression formation of lithium ion battery
CN110571880A (en) * 2019-09-03 2019-12-13 深圳力维智联技术有限公司 Power supply monitoring method and system for a monitoring system
CN110571880B (en) * 2019-09-03 2023-09-26 深圳力维智联技术有限公司 A power monitoring method and system for a monitoring system
CN112491122A (en) * 2020-12-28 2021-03-12 蒋元存 Battery charging and discharging automatic control system

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Application publication date: 20111116