CN2051798U - Full automatic unintermittent power source - Google Patents

Full automatic unintermittent power source Download PDF

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Publication number
CN2051798U
CN2051798U CN 88214092 CN88214092U CN2051798U CN 2051798 U CN2051798 U CN 2051798U CN 88214092 CN88214092 CN 88214092 CN 88214092 U CN88214092 U CN 88214092U CN 2051798 U CN2051798 U CN 2051798U
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resistor
voltage
diode
relay
capacitor
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CN 88214092
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金松山
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ELECTRONIC APPLIANCE FACTORY TUMEN CITY JILING PROV
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ELECTRONIC APPLIANCE FACTORY TUMEN CITY JILING PROV
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Abstract

The utility model provides a full automatic unintermittent power source. At the time of power failure, direct current of storage batteries is automatically converted into 220V alternating current. At the time of power supply, the alternating current is directly supplied to the original load, and meanwhile, the storage batteries are automatically charged so that full automation of the process of charge and discharge is realized. The utility model is applicable to unintermittent power supply for railway signal equipment and other electric equipment.

Description

Full automatic unintermittent power source
The utility model belongs to the improvement of electronic technology field uninterrupted power supply.
Railway intermediate station (mainly referring to the intermediate station with rural power) is owing to frequently have a power failure, and the power supply of interrupt signal equipment disturbs that transportation, influence are driven a vehicle, caused the accident etc.The generating set of part intermediate station use at present owing to investing greatly, need reasons such as personal management and start expense are many, generally uses as yet.Existing uninterrupted power supply is used for electronic computer more, is not suitable for the railway intermediate station and uses.
The purpose of this utility model just is to propose a kind of full-automatic uninterrupted power supply, replaces generating set, guarantees safety of railway traffic, the purpose of increasing economic efficiency.
Operation principle of the present utility model is to realize like this.Accompanying drawing two is circuit theory diagrams, and its operation principle is in power down mode.1. binding post JX among the figure two 2Be battery terminal negative, as the shared grounding of all components and parts in the circuit.Binding post JX 1Be battery positive voltage, through dc switch ZK, fuse BX 1, deliver to triode BG through shunting valuator FL again 13Collector electrode, and and resistor R 21, capacitor C 6, voltage-stabiliser tube DW 1Form D.C. regulated power supply.BG 13Emitter voltage on the one hand through resistor R 22With voltage-stabiliser tube DW 2Form common reference voltage also respectively through resistor R 29As integrated circuit (IC) 4-1The negative input end reference voltage; Through resistor R 32As IC 4-2The negative input end reference voltage; Through resistor R 36Make IC 4-3The negative input end reference voltage; Through resistor R 38Make IC 4-4The positive input terminal reference voltage.On the other hand through relay J 2-4Normally closed point, alternating-current switch JK, relay J 3-2Normally closed point, again through relay J 14-1Normally closed point and relay J 13-1Normally closed point supply with each circuit.Among the figure two by integrated circuit (IC) 1, IC 2, resistor R 1, R 2, R 3, R 4, capacitor C 1, C 2, potentiometer W 1The square-wave voltage of forming square-wave generator and the complementary symmetry of output.If IC 2End, then IC 1Conducting, its output voltage is through resistor R 5With turn-on transistor BG 1BG 1Emitter voltage through diode D 5, pass through resistor R again 9, R 12Back triode BG 7Base stage obtain positive voltage and conducting and electric current amplify the back and promote large power triode BG 8, BG 9Conducting.At this moment at transformer B 1Winding N 2Last streaming current.Here R 18, R 19Be emitter resistor, R 20As the sample resistance device.If IC 1End, then IC 2Conducting.Its output voltage is through resistor R 6Make turn-on transistor BG 2, again through diode D 6And resistor R 10, R 11Triode BG after the dividing potential drop 10Base stage obtain positive voltage and conducting and electric current amplify the back and promote large power triode BG 11, BG 12Conducting makes B 1Winding N 1Last streaming current.Here R 16, R 17Be emitter resistor.In order further to suppress N 1, N 2The high voltage that when sudden power, produced of inductive load, at BG 8, BG 9And BG 11, BG 12Diode D is oppositely also followed at two ends 7And D 8Because BG 8, BG 9And BG 11, BG 12Conducting in turn, B 1Then produce alternating magnetic field.Thereby at N 3, N 4, N 5, N 6, N 7, N 8Deng all producing ac induction voltage on the winding.Winding N 4, N 5Both end voltage is 220V, and the one terminal voltage is through relay J 6-1Normally closed point and fuse BX 2Be sent to common termial JX 4The other end is through relay J 3-1Normally closed point give fan FS 1, FS 7With capacitor C 27, again through relay J 1-1Normally closed point and alternating-current switch JK are sent to load wiring post JX 5Winding N 7Voltage through relay J 2-1Normally closed point is lighted indicator light ZD 2If 2. JX 4And JX 5When the load both end voltage is higher than 220V, N 8Winding voltage is full-bridge rectification heap BG through active filter 17, triode BG 6, resistor R 15, capacitor C 5After direct voltage also and then increase, this boost voltage is again through potentiometer W 2And resistor R 14After the dividing potential drop, again through resistor R 13Be added to triode BG 5Base stage get on.Because BG 5Base voltage be improved triode BG 4Just be tending towards saturation condition, therefore reduce collector electrode and emission electrode resistance.At this moment IC 1Or IC 2Output voltage through resistor R 5, diode D 3Or through resistor R 6, diode D 4Pass through BG again 4Increased its shunt volume, and BG 1Or BG 2Output current then reduce.At last with BG 8, BG 9And BG 11, BG 12Collector current also and then reduce.Weaken N thus 1, N 2The alternating magnetic field of winding.N is arranged again 3, N 4, N 5, N 6, N 7, N 8The voltage of winding also all has decline and reaches 220V.Among the figure two by potentiometer W 2The setting rated output voltage is 220V.When if the load both end voltage is lower than 220V, the situation of its working condition when as above voltage is higher than 220V is opposite can to reach stable state.If in 3. above inversion (direct current the becomes interchange) process, the 220V regulating circuit is out of order and load voltage when surpassing certain setting, N 8Alternating voltage is by BG 17Rectification.This commutating voltage is through current-limiting resistor R 30With potentiometer W 4, resistor R 31Obtain dividing potential drop, again through resistor R 33, IC 4-2Positive input terminal obtains than the high voltage of negative input end reference voltage and conducting.IC 4-2Output voltage is through diode D 17, resistor R 34Be added to integrated circuit (IC) 51 pin get on.At this moment IC 816 pin then become low level and attracting electric relay J 14And by triode BG 14, capacitor C 14, resistor R 46, R 47Pin J 14, the while relay J 14-1The normal closure of making war stops inversion output, the beginning sound and light alarm.ZD among the figure two 3Be indicator light, R 82Be current-limiting resistance, C 26Be electrolytic capacitor filter device, IC 9Be music integrated circuit, promote loud speaker Y sounding, C 9, C 11Be the electrolytic capacitor filter device.If 4. load surpasses rated power or short circuit, then large power triode BG 8, BG 9Or BG 10, BG 11Emitter current increase.Sample resistance device R 20The two ends pressure drop also increase relatively and by capacitor C 7After the filtering, be sent to by integrated circuit (IC) 3, resistor R 23, R 24R 25The amplifier of forming gets on.Through IC 3Signal after the amplification is through resistor R 27, potentiometer W 3, resistor R 26After the dividing potential drop again through resistor R 28Be added to IC 4-1Positive input terminal and compare the back conducting with the negative input end reference voltage and export high level.This high level is through diode D 16, R 34Be added to IC 51 pin get on.After this situation during with as above 3. described inversion superpressure working condition identical.5. after inversion process lasts till certain hour, JX 1, JX 2The battery tension at two ends will descend.This voltage is through R 41, R 40, R 42With potentiometer W 5After the dividing potential drop again through resistor R 39Be added to IC 4-4Negative input end.IC when the voltage of negative input end is lower than the reference voltage of positive input terminal 4-4Then conducting and export high level.This high level is through feedback resistor R 43Deepen IC 4-4Saturated.Simultaneously again through voltage-stabiliser tube DW 4, resistor R 45Deliver to IC 55 pin get on.At this moment IC 512 pin become low level and attracting electric relay J 12, relay J 12-1The normal just closure of making war, energized is through diode D 9Arrive audible-visual annunciator, make it begin to report to the police.IC meanwhile 4-4Output voltage through resistor R 44, capacitor C 13Pass through resistor R after the time-delay again 38At IC 4-3Positive input terminal obtain the voltage higher than the benchmark of negative input end.At this moment IC 4-3Conducting and output voltage, this voltage is through voltage-stabiliser tube DW 3, resistor R 35At IC 4-33 pin become and be that high level, 14 pin then become low level with attracting electric relay J 13Because relay J 13-1Normal make war closed and cut off the electricity supply and make the inversion process that stops.C among the figure two 12Be filtering capacitor.Triode BG 15, capacitor C 15, resistor R 48, R 49Consist of J 13Latch circuit.A.C. voltmeter in the inversion process
Figure 882140922_IMG4
, V and direct current Table A are all indicated electric weight separately on the D.C. voltmeter.IC among the figure two 3, IC 4 Refer to this positive supply and IC 3, IC 4Connect.IC 59 pin connect positive supply, 8 pin ground connection.When 6. civil power 220V is arranged, common termial JX 4Direct supply load of terminal voltage and relay J 1, J 2, J 3, simultaneously through fuse BX 2And relay J 6-1Normally closed point is given transformer B 1Lead-in clamp JX 3Terminal voltage is through alternating-current switch JK and relay J 7-1Normally closed point is given J 1, J 2, J 3All adhesives are again through relay J 1-1The stunned scheme of  is dipped in virtuous  Fan Larva K and is sent to load.Because N 7Relay J 2-1Often battle, closure was lighted indicator light ZD 1Because relay J 2-2, J 2-3Normal make war closed and connect the reversed polarity of ammeter A when just charging; Because relay J 3-1The normal closure of making war is cut off FS 1, FS 2, C 27Power supply; Because relay J 2-4The normal battle and J 3-2Normal adhesive battle and cut off the power supply of inverter circuit is connected the power supply of charging circuit, i.e. IC 7V +Refer to this positive supply and IC 7Connect IC 8V +Refer to this positive supply and IC 8Connect.Integrated circuit (IC) 69 pin connect positive voltage, 8 pin ground connection.Triode BG 13The emitter output voltage is by capacitor C 18, resistor R 53, voltage-stabiliser tube DW 5After the voltage stabilizing respectively through resistor R 57Make IC 7-1The positive input reference voltage; Through resistor R 62Make IC 7-2The reference voltage of negative input end; Through electrical equipment R 66Make IC 7-3The reference voltage of negative input end; Through resistor R 72Make integrated circuit (IC) 8The reference voltage of positive input terminal; Through resistor R 76As IC 7-4The reference voltage of positive input terminal.7. battery tension is through ZK, BX 1, FL, resistor R 50, capacitor C 17, resistor R 54With potentiometer W 6, resistor R 55After the dividing potential drop again through resistor R 56, IC 7-1The voltage that negative input end obtains is lower than positive input terminal voltage and conducting, the output high level.This high level is through feedback resistor R 58With capacitor C 21Deepen IC after the filtering 7-1Saturated.IC 7-1Output voltage is again through resistor R 59, voltage-stabiliser tube DW 6With capacitor C 19Be added to integrated circuit (IC) after the filtering 67 pin get on.At this moment 10 pin become low level and attracting electric relay J 8Because relay J 8-1The normal closure of making war, relay J 4Just adhesive, relay J 4-1The normal closure again of making war is connected B 1Winding N 3, N 4, N 5At this moment by winding N 1, N 2, diode D 7, D 8After forming full-wave rectification, storage battery is begun initial charge.Battery tension will improve after charging lasts till certain degree.This voltage is through resistor R 51, capacitor C 16Filtering, through resistor R 52, potentiometer W 7, resistor R 63After the dividing potential drop, again through R 61Add to IC 7-2Positive input terminal.When if positive input terminal voltage is higher than the negative input end reference voltage, IC 7-2Output voltage.This voltage is through voltage-stabiliser tube DW 7, resistor R 60, capacitor C 20Be added to IC after the filtering 61 pin get on.At this moment IC 616 pin become low level and attracting electric relay J 11Because relay J 11-1Normal battle closure and attracting electric relay J 5Again because relay J 5-1The normal closure of making war, initial charge changes time charged state over to.IC when inferior charging proceeds to the regular hour and storage battery is full of electricity 7-1Negative input end voltage be higher than the voltage of positive input terminal and end.At this moment IC 67 pin become low level and 10 pin become high level release relay J 8Because the relay J of former closure 8-1The normal battle discharges relay J 4Also discharge, discharge the relay J of former closure simultaneously 4-1The normal battle will disconnect the 220V power supply, stop charging.8. B among the figure two 2Be the 220V sampling transformer.B 2Input respectively with JX 4With through fuse BX 3Be connected with JK.Civil power 220V is through B 2After the transformation by the rectification of full-bridge rectification heap and with resistor R 81Be dead load.In as above initial charge or inferior charging process, if when 220V voltage surpasses a certain setting, BG 16Direct voltage after the rectification is through resistor R 80, potentiometer W 8And resistor R 64After the dividing potential drop, again through resistor R 65Electric current will be improved.IC like this 7-3Positive input terminal voltage is higher than negative input end voltage, IC 7-3Just conducting and output voltage.This voltage is through feedback resistor R 67Deepen IC 7-3Saturated, again through voltage-stabiliser tube DW 8, resistor R 68With capacitor C 22Be added to IC after the filtering 63 pin get on.At this moment IC 614 pin become low-voltage and attracting electric relay J 10, relay J 10-1The normal closure of making war, relay J 6Also and then adhesive, relay J 6-1The normal closure again of making war reduces DC charging voltage protection storage battery.C among the figure two 22Be capacitor for filter.9. BG when civil power 220V surpasses a certain setting again 16Direct voltage after the rectification is through resistor R 80, R 78, potentiometer W 10And resistor R 79After the dividing potential drop again through resistor R 77Be added to IC 7-4Negative input end get on.Work as IC 7-4When negative input end voltage is higher than positive input terminal voltage, IC 7-4By and output voltage is zero.At this moment IC 7-1Output voltage is through diode D 12Held IC 67 pin become low level, 10 pin become high level, discharge by the relay J of adhesive 8, therefore stop charging, the protection storage battery.10. when civil power 220V voltage drops to 175V for a certain reason, BG 16Commutating voltage and then descends.This voltage is through R 80, potentiometer W 9, resistor R 74After the dividing potential drop again through resistor R 73Be added to integrated circuit (IC) 8Negative input end get on.IC when negative input end voltage is lower than the positive input terminal reference voltage 8Output voltage.This voltage is through feedback resistor R 71Deepen IC 8Saturated, simultaneously again through voltage-stabiliser tube DW 9, resistor R 69With capacitor C 23Be added to IC after the filtering 65 pin get on.At this moment 12 pin become low level attracting electric relay J 9Because relay J 9-1Normal battle closure and attracting electric relay J 7So relay J 7-1Normally closed point is disconnected, and cuts off input and nets 175V and change inversion output, makes the higher load of voltage stability requirement obtain normal 220V voltage.C among the figure two 24Be anti-interference condenser.JK, when being periodic maintenance, ZK uses switch.
Advantage of the present utility model is to solve the power cut problem that outside power failure of railway station or internal power maintenance and fault cause, guarantees transportation safety.Replacing generating set simultaneously can reduce cost of transportation, tangible economic benefit is arranged.
The utility model is applicable to the uninterrupted power supply of railway signals equipment, also can be used for other electric equipment, uses as stand-by power supply.
Accompanying drawing and drawing explanation:
Figure one is the utility model circuit block diagram.
Figure two is the utility model circuit theory diagrams.
The utility model is by square-wave generator, voltage stabilizing delay circuit, promotes level, transformer, cuts Changer controller, charge controller, charger, battery, audible-visual annunciator, inverter controller etc. partly form.
The large power triode that the utility model adopts should adopt the blower fan cooling. The part components and parts should regularly replace or safeguard, the continuous automatic operation of guarantee.

Claims (1)

  1. A kind of full-automatic uninterrupted power supply is made up of square-wave generator, voltage stabilization delay circuit, inverter controller, charge controller, promotion level, transformer, charger, storage battery, audible-visual annunciator, it is characterized in that;
    A. by integrated circuit (IC) 1, IC 2, resistance R 1, R 2, R 3, R 4, potentiometer W 1, capacitor C 1, C 2The square-wave generator of forming is through resistor R 5, R 6, diode D 3, D 4, with voltage stabilization delay circuit be triode BG 3, BG 4, BG 5, BG 6, diode D 1, D 2, resistor R 7, R 8, R 13, R 14, R 15, capacitor C 3, C 4, C 5, full-bridge rectification heap BG 17With Transformer Winding N 8Be connected,
    B. voltage stabilization delay circuit is through diode D 3, D 4, and by triode BG 1, BG 2, BG 7, BG 8, BG 9, BG 10, BG 11, BG 12, diode D 5, D 6, resistor R 9, R 10, R 11, R 12, R 16, R 17, R 18, R 19The promotion level of forming is connected, and direct and Transformer Winding N 1, N 2With diode D 7, D 8Connect,
    C. by Transformer Winding N 1, N 2With diode D 7, D 8The charger of forming is through resistance R 20With D.C. voltmeter Parallel connection is again through shunt FL, the fuse BX of direct current table 1, dc switch ZK and battery terminal JX 1, JX 2Connect, again through triode BG 13, voltage-stabiliser tube DW 1, resistor R 21, relay contact J 2-4, capacitor C 6Connect with charge controller,
    D. charge controller is by integrated circuit (IC) 6, IC 7-1, IC 7-2, IC 7-3, IC 7-4, IC 8, voltage-stabiliser tube DW 5, DW 6, DW 7, DW 8, DW 9, diode D 12, full-bridge rectification heap BG 16, transformer B 2, fuse RX 3, relay J 7, J 8, J 9, J 10, J 11, relay contact J 9-1, capacitor C 16, C 17, C 18, C 19, C 20, C 21, C 22, C 23, C 24, C 25, resistor R 50, R 51, R 52, R 53, R 54, R 55, R 56, R 57, R 58, R 59, R 60, R 61, R 62, R 63, R 64, R 65, R 66, R 67, R 68, R 69, R 70, R 71, R 72, R 73, R 74, R 75, R 76, R 77, R 78, R 79, R 80, R 81, indicator light ZD 1, by transformer B 2, through fuse BX 3, again by relay contact J 7-1, J 8-1, J 10-1, J 11-1Be connected with switching controls,
    E. by integrated circuit (IC) 3, IC 4-1, IC 4-2, IC 4-3, IC 4-4, IC 5, triode BG 14, BG 15, voltage-stabiliser tube DW 2, DW 3, DW 4, diode D 16, D 17, relay J 12, J 13, J 14, capacitor C 7, C 8, C 9, C 10, C 11, C 12, C 13, C 14, C 15, C 27, resistor R 22, R 23, R 24, R 25, R 26, R 27, R 28, R 29, R 30, R 31, R 32, R 33, R 34, R 35, R 36, R 37, R 38, R 39, R 40, R 41, R 42, R 43, R 44, R 45, R 46, R 47, R 48, R 49, fan FS 1, FS 2, indicator light ZD 2The inverter controller of forming is by relay contact J 12-1, J 14-1, diode D 9With audible-visual annunciator be indicator light ZD 3, resistor R 32, capacitor C 26, integrated circuit (IC) 9, Yang Sheng device Y connects, again by relay contact J 13-1Be connected direct again and Transformer Winding N with square-wave generator 8Connect,
    F. switch controller is by alternating-current switch JK, relay J 1, J 2, J 3, J 4, J 5, J 6, relay contact J 1-1, J 2-1, J 2-3, J 2-4, J 3-1, J 3-2, J 4-1, J 5-1, J 6-1, fuse BX 2Form, and with binding post JX 3, JX 4, JX 5, JX 6, A.C. voltmeter
    Figure 882140922_IMG3
    With transformer B 1Directly connect.
CN 88214092 1988-09-15 1988-09-15 Full automatic unintermittent power source Withdrawn CN2051798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 88214092 CN2051798U (en) 1988-09-15 1988-09-15 Full automatic unintermittent power source

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Application Number Priority Date Filing Date Title
CN 88214092 CN2051798U (en) 1988-09-15 1988-09-15 Full automatic unintermittent power source

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CN2051798U true CN2051798U (en) 1990-01-24

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CN 88214092 Withdrawn CN2051798U (en) 1988-09-15 1988-09-15 Full automatic unintermittent power source

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100373741C (en) * 2005-02-02 2008-03-05 中国科学院上海微***与信息技术研究所 Protection system, construction method and use for beam source furnace power-off or misoperation
WO2016019486A1 (en) * 2014-08-04 2016-02-11 深圳欧陆通电子有限公司 Power supply and battery management module compatible with common redundant power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100373741C (en) * 2005-02-02 2008-03-05 中国科学院上海微***与信息技术研究所 Protection system, construction method and use for beam source furnace power-off or misoperation
WO2016019486A1 (en) * 2014-08-04 2016-02-11 深圳欧陆通电子有限公司 Power supply and battery management module compatible with common redundant power supply

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