CN204376523U - A kind of uninterrupted power supply control device of signal detection alarm system for ship - Google Patents

A kind of uninterrupted power supply control device of signal detection alarm system for ship Download PDF

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Publication number
CN204376523U
CN204376523U CN201520083224.3U CN201520083224U CN204376523U CN 204376523 U CN204376523 U CN 204376523U CN 201520083224 U CN201520083224 U CN 201520083224U CN 204376523 U CN204376523 U CN 204376523U
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resistance
triode
power supply
diode
ship
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杨心怡
王长宝
徐维艳
张明
於跃成
胡广朋
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Jiangsu University of Science and Technology
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Jiangsu University of Science and Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

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Abstract

The utility model discloses a kind of uninterrupted power supply control device of signal detection alarm system for ship, this device using field effect transistor Q1, Q5 as AC/DC rectification module G2 out-put supply and storage battery GB to the diverter switch of detection alarm system power supply, concrete commutation circuit is formed by diode D1 to D7, NPN type triode Q2 to Q4 and Q6 to Q8, resistance R1 to R20, control field effect transistor Q1, Q5 switch switch fast, when realizing storage battery GB and AC/DC rectification module G2 mono-road non-transformer, be switched to another road fast, have low in energy consumption, good stability.

Description

A kind of uninterrupted power supply control device of signal detection alarm system for ship
Technical field
The utility model relates to the uninterrupted power supply control device of input warning system, particularly relates to a kind of uninterrupted power supply control device of signal detection alarm system for ship.
Background technology
Signal detection alarm system for ship is the important component part of boats and ships monitor and alarm system, and its effect detects watercraft engine room parameter in real time and judges that whether parameter out-of-limit, if out-of-limit time; send sound and light alarm, and relevant information be sent to storage, print system; Its power supply used is direct current 24V, and requires the uninterrupted power supply of the still inhibit signal detection alarm system when boats and ships AC electric power systems dead electricity.
The signal detection alarm system for ship method of supplying power to of current employing is: alternating current 220V is converted to direct current 24V through AC/DC modular converter, and then power to input warning system through the uninterrupted power supply device (24V DC UPS) of direct current, its major defect has: 1,24V DC UPS is wherein the equipment increased in addition, price is higher, causes the cost of whole signal detection alarm system for ship to increase; 2, detection alarm system dead electricity can be caused when AC/DC modular converter has fault or 24V DC UPS to have during fault.
Also there is patent documentation to record simultaneously and overcome above defect, as number of patent application is: a kind of signal detection alarm system for ship of 201110167771.6 pay no attention to cut-off controller for electric consumption and method of supplying power to, make full use of the uninterrupted power supply that marine storage battery DC 24V power supply that oneself that ship is equipped with have and the alternating current 220V UPS (uninterrupted power supply) that onboard computer is furnished with realize input warning system, improve utilance and the efficiency of existing device on ship.Alternating current 220V is connected in series alternating current 220V uninterrupted power supply that onboard computer joins successively, alternating current 220V turns for signal detection alarm system for ship after the AC/DC rectification module of direct current 24V, and marine storage battery DC 24V power supply is without voltage transitions direct-furnish signal detection alarm system for ship.What form signal detection alarm system for ship by the device such as the power cut off delay time relay and auxiliary relay pays no attention to cut-off controller for electric consumption, realize: when the non-dead electricity of boats and ships AC electric power systems (alternating current 220V has electricity), and the onboard computer alternating current 220V uninterrupted power supply of joining and alternating current 220V turn the AC/DC rectification module of direct current 24V intact time, only by alternating current 220V to the power supply of signal detection alarm system for ship, when boats and ships AC electric power systems dead electricity (alternating current 220V is without electricity), and the onboard computer alternating current 220V uninterrupted power supply of joining and alternating current 220V turn the AC/DC rectification module of direct current 24V intact time, the AC/DC rectification module that the alternating current 220V uninterrupted power supply of being joined by onboard computer turns direct current 24V through alternating current 220V continues to the power supply of signal detection alarm system for ship, and open marine storage battery DC 24V power supply (connecting before the alternating current 220V uninterrupted power supply that storage battery must be joined at onboard computer) immediately to the power supply of signal detection alarm system for ship, formed AC/DC rectification module and storage battery with or mode jointly jointly power to signal detection alarm system for ship, AC/DC rectification module be cut off to the power supply of signal detection alarm system for ship after time delay a period of time, the power supply of signal detection alarm system for ship is given separately by storage battery, thus realize when boats and ships AC electric power systems dead electricity seamless switching power supply to the power supply of signal detection alarm system for ship, when the non-dead electricity of boats and ships AC electric power systems (alternating current 220V has electricity), but when the alternating current 220V uninterrupted power supply that onboard computer is joined and/or alternating current 220V turn AC/DC rectification module fault (the AC/DC rectification module no-output) of direct current 24V, open marine storage battery DC 24V power supply (storage battery must connect before AC/DC rectification module no-output) immediately to the power supply of signal detection alarm system for ship, and send fault cues by red led, and export fault-signal to signal detection alarm system for ship, when storage battery is given separately in the power supply process of signal detection alarm system for ship, send a telegram here after boats and ships AC electric power systems dead electricity, and the onboard computer alternating current 220V uninterrupted power supply of joining and alternating current 220V are when turning AC/DC rectification module intact (AC/DC rectification module has output) of direct current 24V, the alternating current 220V uninterrupted power supply that the alternating current 220V recovering boats and ships AC electric power systems is joined through onboard computer and alternating current 220V turn the AC/DC rectification module of direct current 24V to the power supply of signal detection alarm system for ship, and cut off storage battery to the path of the power supply of signal detection alarm system for ship, when storage battery is given separately in the power supply process of signal detection alarm system for ship, send a telegram here after boats and ships AC electric power systems dead electricity, but when the AC/DC rectification module that the alternating current 220V uninterrupted power supply that onboard computer is joined and alternating current 220V turn direct current 24V has fault (AC/DC rectification module no-output), still keep storage battery to power to signal detection alarm system for ship, when boats and ships AC electric power systems dead electricity (alternating current 220V is without electricity), and the onboard computer alternating current 220V uninterrupted power supply of joining and alternating current 220V are when turning AC/DC rectification module intact (AC/DC rectification module has output) of direct current 24V, but storage battery does not connect, the AC/DC rectification module that the alternating current 220V uninterrupted power supply continuing to be joined by onboard computer turns direct current 24V through alternating current 220V continues to the power supply of signal detection alarm system for ship, if connect storage battery in disconnected time delay relay time delay, open marine storage battery DC 24V power supply immediately to the power supply of signal detection alarm system for ship, formed AC/DC rectification module and storage battery with or mode jointly jointly power to signal detection alarm system for ship, to cutting off AC/DC rectification module to the power supply of signal detection alarm system for ship between disconnected time delay relay time delay, the power supply of signal detection alarm system for ship is given separately by storage battery, now can also calculate when realizing boats and ships AC electric power systems dead electricity seamless switching power supply reluctantly to the power supply of signal detection alarm system for ship, if between disconnected time delay relay time delay to after connect storage battery, open marine storage battery DC 24V power supply immediately to the power supply of signal detection alarm system for ship, and cut off AC/DC rectification module immediately to the power supply of signal detection alarm system for ship, when now not realizing boats and ships AC electric power systems dead electricity, seamless switching power supply is to the power supply of signal detection alarm system for ship.Application number is by analysis: uninterrupted power supply control device and the method for supplying power to of a kind of signal detection alarm system for ship of 201110167771.6 exist following defect: 1, when sending a telegram here after boats and ships AC electric power systems dead electricity, and the onboard computer alternating current 220V uninterrupted power supply of joining and alternating current 220V turn the AC/DC rectification module of direct current 24V intact time, be switched to boats and ships AC electric power systems from storage battery and power to signal detection alarm system for ship and do not realize good seamless switching, 2, when storage battery does not connect before boats and ships AC electric power systems dead electricity, and connect storage battery afterwards in boats and ships AC electric power systems dead electricity (alternating current 220V is without electricity), to there is when can not realize boats and ships AC electric power systems dead electricity well seamless switching power supply to the power supply of signal detection alarm system for ship, 3, when the alternating current 220V uninterrupted power supply that the alternating current 220V of boats and ships AC electric power systems is joined through onboard computer, when the AC/DC rectification module that alternating current 220V turns direct current 24V is powered to signal detection alarm system for ship, unexpected AC/DC rectification module no-output, be switched to the speed that storage battery powers to signal detection alarm system for ship slow, owing to adopting relay as diverter switch, there is mechanical contact switch speed slow, 4, when boats and ships AC electric power systems dead electricity, when being powered to signal detection alarm system for ship by storage battery, do not carry out the AC/DC rectification module fault (AC/DC rectification module no-output) that alternating current 220V uninterrupted power supply that onboard computer joins and/or alternating current 220V turn direct current 24V to detect, if now AC/DC rectification module generation no-output does not provide trouble light instruction and exports fault-signal to signal detection alarm system for ship, do not detect when namely realizing advanced AC/DC rectification module generation no-output fault and judge, 5, because adopting the complete Power supply of relay switch and control, it is short to there is useful life in mechanical contact, and cost is high, and volume is large.
Summary of the invention
The technical problem of the purpose of this utility model and solution is the defect that the power supply control apparatus of 201110167771.6 patents and method of supplying power to exist for application number, and proposing take semiconductor device as the uninterrupted power supply control device of a kind of signal detection alarm system for ship controlling and detect main body.
The technical scheme that the uninterrupted power supply control device of a kind of signal detection alarm system for ship of the present utility model adopts is: be made up of the field effect transistor Q1 of central processor unit, photoelectrical coupler OC, electric capacity C, diode D1 to D7, P-channel enhancement type and Q5, NPN type switch triode Q2 to Q4 and Q6 to Q8, resistance R1 to R20, red led, white indicating light, described resistance R2, R4, R6, one end of R17 and the source electrode of field effect transistor Q1 are all linked into the positive pole of the out-put supply 24V of AC/DC rectification module, the grid phase of one end of resistance R3 and the other end of R2 and field effect transistor Q1 also connects, the other end of resistance R3 is connected with the collector electrode of triode Q2, the collector electrode phase of the other end of resistance R4 and the anode of diode D2 and triode Q3 also connects, the drain electrode of field effect transistor Q1 is connected with the anode of diode D4, one end of resistance R5 and diode D2, the negative electrode of D3 is with the base stage phase of triode Q2 and connect, the collector electrode phase of the other end of resistance R6 and the anode of diode D3 and triode Q4 also connects, the base stage of triode Q4 is exported by the I/O that resistance R9 and central processor unit control electrical source exchange and is connected, one end of resistance R7 is connected with the base stage of triode Q3, one end of resistance R8 and R10 is with the other end phase of R7 and connect rear access central processor unit A/D input interface, resistance R12, R14, the source electrode of one end of R16 and the other end of R10 and field effect transistor Q5 is all linked into the positive pole of the storage battery GB of 24V peculiar to vessel, the grid phase of the other end of resistance R12 and one end of R13 and field effect transistor Q5 also connects, the other end of resistance R13 is connected with the collector electrode of triode Q6, the collector electrode phase of the other end of resistance R14 and the anode of diode D5 and triode Q7 also connects, the drain electrode of field effect transistor Q5 is connected with the anode of diode D7, one end of resistance R15 and diode D5, the negative electrode of D6 is with the base stage phase of triode Q6 and connect, the collector electrode phase of the other end of resistance R16 and the anode of diode D6 and triode Q8 also connects, the base stage of triode Q8 by resistance R20 and central processor unit control electrical source exchange I/O another export and be connected, the base stage of triode Q7 is connected with one end of resistance R18, the other end of resistance R17 and R18 is with one end phase of R19 and connect rear access central processor unit I/O input interface, diode D4, the negative electrode of D7 is interconnected the power supply input anode VCC of rear access central processor unit and signal detection alarm system for ship, one end of resistance R1 is connected with one end of the alternating current 220V power supply of boats and ships AC electric power systems, the anode phase of the other end of resistance R1 and the negative electrode of diode D1 and light-emitting diode in photoelectrical coupler OC also connects, in photoelectrical coupler OC, the negative electrode of light-emitting diode accesses the other end of the alternating current 220V power supply of boats and ships AC electric power systems after being connected with the anode of diode D1, in photoelectrical coupler OC, the collector electrode of phototriode exports VCC1 with central processor unit power supply and is connected, one end of resistance R11 accesses central processor unit I/O another input interface with the emitter of phototriode in photoelectrical coupler OC after being connected with the positive pole of electric capacity C, the output of central processor unit is also connected to red led and white indicating light, described central processor unit includes the fault-signal output port adapted with signal detection alarm system for ship, be connected with signal detection alarm system for ship by this fault-signal output port, the negative pole of the other end of resistance R5, R8, R11, R15, R19 and the emitter of triode Q2, Q3, Q4, Q6, Q7, Q8 and electric capacity C, the negative pole of storage battery GB, the negative pole of central processor unit power supply, the power cathode of signal detection alarm system for ship all access the negative pole of the out-put supply of AC/DC rectification module by connecting line.
Described central processor unit is with MCU (micro-control unit) unit core, collection has the central processor unit of various input/output interface circuit, include timer, A/D input interface, control the I/O output interface of electrical source exchange, detect I/O input interface with presence or absence of voltage, and control red led and white indicating light and light and the output interface extinguished, also collection has the fault-signal output port that adapts with signal detection alarm system for ship and direct current 24V to turn the Voltage stabilizing module of MCU (micro-control unit) working power VCC1; Central processor unit is used for exporting with or without detection, storage battery GB voltage swing to the alternating current 220V of boats and ships AC electric power systems with or without detection, AC/DC rectification module G2 power supply and detecting with or without detection, whether carry out electrical source exchange or time delay switching according to different testing result, and carry out indicator light display reminding according to different testing result and send signal detection alarm system for ship to report to the police.The fault-signal output port that described signal detection alarm system for ship adapts, if signal detection alarm system for ship is switching value, integrated fault-signal output port is switching value port, if signal detection alarm system for ship is communication interface, integrated fault-signal output port is corresponding communication interface.
The storage battery GB supply voltage of the above access requires to be greater than 21V, and uninterrupted power supply control device could normal work.
Above-described diode D1, D2, D3, D4, D5, D6, D7 are switching diode.
Beneficial effect:
The uninterrupted power supply control device of a kind of signal detection alarm system for ship of the present utility model, adopt the diverter switch that field effect transistor is powered to signal detection alarm system for ship as AC/DC rectification module G2 out-put supply and storage battery GB, transistor is adopted to form concrete commutation circuit, switching over speed is fast, adopt central processor unit to carry out fault detect and process and control to need powered-down time-delay closing in switching, thus achieve power supply seamless switching and multiple faults warning, have low in energy consumption, good stability.
Accompanying drawing explanation
Fig. 1 is the circuit theory connection layout of the uninterrupted power supply control device of a kind of signal detection alarm system for ship of the present utility model;
In figure: 1. central processor unit, 2. red led, 3. white indicating light, G1. uninterrupted power supply, G2.AC/DC rectification module, OC. photoelectrical coupler, C. electric capacity, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20. resistance, D1, D2, D3, D4, D5, D6, D7. diode, Q1, Q5. field effect transistor, Q2, Q3, Q4, Q6, Q7, Q8. triode, GB. storage battery.
Embodiment
As shown in Figure 1, in figure, uninterrupted power supply G1 is the uninterrupted power supply of the alternating current 220V that onboard computer is equipped with, AC/DC rectification module G2 is the AC/DC rectification module that alternating current 220V turns direct current 24V, storage battery GB is the storage battery of DC 24V peculiar to vessel, detection alarm system is the power supply object of uninterrupted power supply control device, the ac input end of the alternating current 220V access uninterrupted power supply G1 of boats and ships AC electric power systems, the output of uninterrupted power supply G1 is connected with the input of AC/DC rectification module G2, except uninterrupted power supply G1 in figure, other circuit part outside AC/DC rectification module G2 and detection alarm system forms uninterrupted power supply control device of the present invention, this uninterrupted power supply control device is by central processor unit 1, photoelectrical coupler OC, electric capacity C, seven diode D1, D2, D3, D4, D5, D6, D7, the field effect transistor Q1 of two P channel MOS casts, Q5, six triode Q2, Q3, Q4, Q6, Q7, Q8, 20 resistance R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, red led 2, white indicating light 3 forms, one end of described resistance R2, one end of resistance R4, one end of resistance R6, one end of resistance R17, and the source terminal of field effect transistor Q1 is all linked into the positive terminal of the out-put supply of AC/DC rectification module G2, the other end of resistance R2, one end of resistance R3 is with the gate terminal phase of field effect transistor Q1 and connect, the other end of resistance R3 is connected with the collector terminal of triode Q2, the other end of resistance R4, the anode tap of diode D2 is with the collector terminal phase of triode Q3 and connect, the drain electrode end of field effect transistor Q1 is connected with the anode of diode D4, one end of resistance R5, the cathode terminal of diode D2, the cathode terminal of diode D3 is with the base terminal phase of triode Q2 and connect, the other end of resistance R6, the anode tap of diode D3 is with the collector terminal phase of triode Q4 and connect, the base terminal of triode Q4 is linked into I/O mono-output of central processor unit 1 by resistance R9, the base stage of triode Q3 is connected with one end of resistance R7, the other end of resistance R7, one end of resistance R8 is with one end phase of resistance R10 and the A/D input interface connect in rear access central processor unit 1, the other end of resistance R10, one end of resistance R12, one end of resistance R14, one end of resistance R16, and the source terminal of field effect transistor Q5 is all linked into the positive terminal of storage battery GB, the other end of resistance R12, one end of resistance R13 is with the gate terminal phase of field effect transistor Q5 and connect, the other end of resistance R13 is connected with the collector terminal of triode Q6, the other end of resistance R14, the anode tap of diode D5 is with the collector terminal phase of triode Q7 and connect, the drain electrode end of field effect transistor Q5 is connected with the anode of diode D7, one end of resistance R15, the cathode terminal of diode D5, the cathode terminal of diode D6 is with the base terminal phase of triode Q6 and connect, the other end of resistance R16, the anode tap of diode D6 is with the collector terminal phase of triode Q8 and connect, the base terminal of triode Q8 is linked into another output of I/O of central processor unit 1 by resistance R20, the base stage of triode Q7 is connected with one end of resistance R18, the other end of resistance R18, one end of resistance R19 is with the other end phase of resistance R17 and I/O mono-input interface connect in rear access central processor unit 1, the power supply that the negative electrode of diode D4 and the negative electrode of diode D7 are interconnected rear access central processor unit 1 and signal detection alarm system for ship inputs anode VCC, one end of resistance R1 is connected with one end of the alternating current 220V power supply of boats and ships AC electric power systems, the other end of resistance R1, the cathode terminal of diode D1 is with the anode tap phase of light-emitting diode in photoelectrical coupler OC and connect, in photoelectrical coupler OC, the cathode terminal of light-emitting diode accesses the other end of the alternating current 220V power supply of boats and ships AC electric power systems after being connected with the anode tap of diode D1, in photoelectrical coupler OC, the power supply of the collector electrode access central processor unit 1 of phototriode exports VCC1 end, one end of resistance R11, positive pole and the emitter of phototriode in photoelectrical coupler OC of electric capacity C access another input interface of I/O of central processor unit 1 after being connected, the output of central processor unit 1 is also connected to red led 2 and white indicating light 3, the fault-signal output port adapted with signal detection alarm system for ship is included in central processor unit 1, be connected with signal detection alarm system for ship by this fault-signal output port, the negative pole of power supply in signal detection alarm system for ship, the negative pole of power supply in central processor unit 1, the other end of resistance R5, the other end of resistance R8, the other end of resistance R11, the other end of resistance R15, the other end of resistance R19, the emitter of triode Q2, the emitter of triode Q3, the emitter of triode Q4, the emitter of triode Q6, the emitter of triode Q7, the emitter of triode Q8, the negative pole of electric capacity C, and the negative pole of storage battery GB is connected by the negative pole end of connecting line with the out-put supply of AC/DC rectification module G2.
Above-described field effect transistor Q1 and Q5 is P-channel enhancement type field effect transistor, as voltage-controlled type contactless power switch.
Above-described triode Q2, Q3, Q4, Q6, Q7, Q8 are NPN type switch triode.
Above-described diode D1, D2, D3, D4, D5, D6, D7 are switching diode.
Described central processor unit 1 is with MCU (micro-control unit) unit core, collection has the central processor unit of various input/output interface circuit, include timer, A/D input interface, control the I/O output interface of electrical source exchange, detect I/O input interface with presence or absence of voltage, and control red led 2 and white indicating light 3 and light and the output interface extinguished, also collection has the fault-signal output port that adapts with signal detection alarm system for ship and direct current 24V to turn the Voltage stabilizing module of MCU (micro-control unit) working power VCC1; Central processor unit 1 is for exporting with or without detection, storage battery GB voltage swing to the alternating current 220V of boats and ships AC electric power systems with or without detection, AC/DC rectification module G2 power supply and detect with or without detection, whether carry out electrical source exchange or time delay switching according to different testing result, and carry out indicator light display reminding according to different testing result and send signal detection alarm system for ship to report to the police.The fault-signal output port that described signal detection alarm system for ship adapts, if signal detection alarm system for ship is switching value, integrated fault-signal output port is switching value port, if signal detection alarm system for ship is communication (as RS232) interface, integrated fault-signal output port is corresponding communication interface.
The above photoelectrical coupler OC, electric capacity C, resistance R1, R11, diode D1 form the alternating current 220V of boats and ships AC electric power systems with or without isolation detection circuit, when alternating current 220V has electricity, in photoelectrical coupler OC, the emitter of phototriode exports the I/O input interface of high level " 1 " to central processor unit 1, when alternating current 220V dead electricity, in photoelectrical coupler OC, the emitter output low level " 0 " of phototriode is to the I/O input interface of central processor unit 1.Resistance R1 is for the protection of light-emitting diode in photoelectrical coupler OC, and electric capacity C is used for the high level " 1 " of level and smooth sampling.
AC/DC rectification module G2 out-put supply end is attempted by after the above resistance R17, R19 series connection, form the presence or absence testing circuit of AC/DC rectification module G2 out-put supply, be depressed into the I/O input interface of central processor unit 1 from the tie point power taking of resistance R17 and R19 and added to the base stage of triode Q7 by R18; When AC/DC rectification module G2 output has power supply, the tie point place of resistance R17 and R19 exports high level " 1 " the I/O input interface to central processor unit 1 and the base stage of triode Q7, and triode Q7 conducting is also saturated; When AC/DC rectification module G2 non-transformer exports, the I/O input interface of tie point place output low level " 0 " to central processor unit 1 of resistance R17 and R19 and the base stage of triode Q7, triode Q7 ends.
Storage battery GB two ends are attempted by after the above resistance R10, R8 series connection, form storage battery GB power supply sample circuit, be depressed into the A/D input interface of central processor unit 1 from the tie point power taking of resistance R10 and R8 and added to the base stage of triode Q3 by R7, A/D input interface carries out analog-to-digital conversion to sampling voltage, realizes storage battery GB power supply size and with or without detection; When storage battery GB has power supply, the tie point place of resistance R10 and R8 exports high level " 1 " the A/D input interface to central processor unit 1 and the base stage of triode Q3, triode Q3 conducting saturated or conducting, central processor unit 1 is detected by A/D input interface this high level " 1 " size and judges; As no storage battery GB, the A/D input interface of tie point place output low level " 0 " to central processor unit 1 of resistance R10 and R8 and the base stage of triode Q3, triode Q3 ends, central processor unit 1 is detected by A/D input interface this low level " 0 " and judges, namely detects that A/D is no storage battery GB when being input as zero.
When central processor unit 1 is detected by the 24V power supply size of A/D input interface to storage battery GB, the utility model setting, when cell voltage being detected lower than 22V, is thought that battery is not enough, is carried out alert process, when detecting that cell voltage is more than or equal to 22V, think that battery is normal.
Simultaneously the utility model is by arranging resistance R10 and R8 ratio, or the size of resistance R7, makes the storage battery GB voltage of access when being greater than 21V, and the base current being added to triode Q3 also can keep the conducting of triode Q3 and saturated.
Power supply is guided to the anode of diode D2 and the collector electrode of triode Q3 by resistance R4 by the positive pole of AC/DC rectification module G2 out-put supply, when AC/DC rectification module G2 out-put supply has electricity, no storage battery GB, triode Q3 ends, AC/DC rectification module G2 out-put supply is through resistance R4, diode D2 is added to the base stage of triode Q2, triode Q2 conducting is also saturated, if have access to storage battery GB, if the 24V supply voltage of storage battery GB is greater than 21V, triode Q3 conducting is also saturated, AC/DC rectification module G2 out-put supply is through resistance R4, diode D2 loads the base stage less than triode Q2, triode Q2 ends, if the 24V supply voltage of storage battery GB is less than or equal to 21V, triode Q3 is conducting or cut-off likely, when triode Q3 ends, be equivalent to no storage battery GB, AC/DC rectification module G2 out-put supply is through resistance R4, diode D2 is added to the base stage of triode Q2, triode Q2 conducting is also saturated, when triode Q3 is in conducting (amplification region), AC/DC rectification module G2 out-put supply is through resistance R4, the base current that diode D2 is added to triode Q2 makes the conducting or saturated of triode Q2 possibility, when AC/DC rectification module G2 no-output power supply, the size of the storage battery GB supply voltage no matter whether storage battery GB accesses and access how, be added to the base stage of triode Q2 by diode D2 without any electric current, triode Q2 ends, and the triode Q2 operating state more than stated all does not consider the situation by diode D3 loading current.Resistance R5 is mainly used in ensureing that triode Q2 reliably ends.
Power supply is guided to the anode of diode D5 and the collector electrode of triode Q7 by resistance R14 by the positive pole of storage battery GB power supply, by arranging resistance R14 size, the 24V supply voltage of storage battery GB is made to be greater than 21V, when triode Q7 ends, the power supply of storage battery GB is through resistance R14, the base current that diode D5 is added to triode Q6 makes triode Q6 conducting and saturated, namely when AC/DC rectification module G2 non-transformer exports, triode Q7 ends, if the 24V supply voltage of storage battery GB is greater than 21V, the power supply of storage battery GB is through resistance R14, the base current that diode D5 is added to triode Q6 makes triode Q6 conducting and saturated, if the 24V supply voltage of storage battery GB is less than or equal to 21V, the power supply of storage battery GB is through resistance R14, the base current that diode D5 is added to triode Q6 makes triode Q6 likely conducting or cut-off, saturated when triode Q7 conducting, namely when AC/DC rectification module G2 out-put supply has an electricity, the size of the storage battery GB supply voltage no matter whether storage battery GB accesses and access how, and be added to the base stage of triode Q6 by diode D5 without any electric current, triode Q6 ends.The triode Q6 operating state more than stated all does not consider the situation by diode D6 loading current.Resistance R15 is mainly used in ensureing that triode Q6 reliably ends.
When central processor unit 1 exports " 0 " to be loaded into triode Q4 base stage through resistance R9, triode Q4 ends; When central processor unit 1 exports " 1 " to be loaded into triode Q4 base stage through resistance R9, triode Q4 conducting is also saturated; When central processor unit 1 exports " 0 " to be loaded into triode Q8 base stage through resistance R20, triode Q8 ends; When central processor unit 1 exports " 1 " to be loaded into triode Q8 base stage through resistance R20, triode Q8 conducting is also saturated.
Power supply is guided to the anode of diode D3 and the collector electrode of triode Q4 by resistance R6 by the positive pole of AC/DC rectification module G2 out-put supply, when triode Q4 ends, if AC/DC rectification module G2 out-put supply has electricity, AC/DC rectification module G2 out-put supply is through resistance R6, diode D3 is added to the base stage of triode Q2, triode Q2 conducting is also saturated, if AC/DC rectification module G2 non-transformer exports, be added to the base stage of triode Q2 by diode D3 without any electric current, triode Q2 ends, when triode Q4 conducting and saturated time, no matter whether AC/DC rectification module G2 power supply has output, be added to the base stage of triode Q2 by diode D3 without any electric current, triode Q2 ends, the triode Q2 operating state more than stated all does not consider the situation by diode D2 loading current yet.
Power supply is guided to the anode of diode D6 and the collector electrode of triode Q8 by resistance R16 by the positive pole of storage battery GB power supply, when triode Q8 ends, by arranging resistance R16 size, if the 24V supply voltage of storage battery GB is greater than 21V, make storage battery GB through resistance R16, base current that diode D6 is added to triode Q6 is saturated by triode Q6 conducting, if the 24V supply voltage of storage battery GB is less than or equal to 21V, make storage battery GB through resistance R16, diode D6 is added to the base current of triode Q6 by triode Q6 conducting or cut-off, when triode Q8 conducting and saturated time, the size of the storage battery GB supply voltage no matter whether storage battery GB accesses and access how, be added to the base stage of triode Q6 by diode D6 without any electric current, triode Q6 ends.The triode Q6 operating state more than stated all does not consider the situation by diode D5 loading current yet.
Diode D2, D3 with or mode loading current to the base stage of triode Q2, diode D5, D6 with or mode loading current to the base stage of triode Q6.
When AC/DC rectification module G2 has out-put supply, no matter access storage battery GB voltage swing or do not access storage battery GB, as long as triode Q4 ends, triode Q2 is saturated with regard to conducting.
When AC/DC rectification module G2 has out-put supply, if triode Q4 conducting saturated, triode Q2 operating state depends on the power-up condition (namely depending on the operating state of triode Q3) of diode D2.
When the AC/DC rectification module G2 out-put supply accessed is without electricity, the voltage no matter accessing storage battery GB is greater than or does not access storage battery GB, and no matter which kind of state triode Q4 is operated in, and triode Q2 all ends.
When the voltage of storage battery GB accessed is greater than 21V, no matter AC/DC rectification module G2 out-put supply whether with or without, as long as triode Q8 ends, triode Q6 is saturated with regard to conducting.
When the voltage of storage battery GB accessed is greater than 21V, if triode Q8 conducting saturated, and AC/DC rectification module G2 has out-put supply, then triode Q6 ends, if triode Q8 conducting is also saturated, and AC/DC rectification module G2 no-output power supply, then triode Q6 conducting saturated.
When the voltage of the storage battery GB accessed is less than or equal to 21V, if AC/DC rectification module G2 has out-put supply (triode Q7 conducting is also saturated), and triode Q8 ends, triode Q6 operating state is determined by diode D6 institute galvanization, and triode Q6 may conducting or cut-off.
When the voltage of storage battery GB accessed is less than or equal to 21V, if AC/DC rectification module G2 has out-put supply (triode Q7 conducting is also saturated), and triode Q8 conducting saturated, then triode Q6 ends.
When the voltage of the storage battery GB accessed is less than or equal to 21V, if AC/DC rectification module G2 no-output power supply, and triode Q8 ends, and triode Q6 operating state is determined by diode D5, D6 institute galvanization, and triode Q6 may conducting or cut-off.
When the voltage of storage battery GB accessed is less than or equal to 21V, if AC/DC rectification module G2 no-output power supply, and triode Q8 conducting saturated, triode Q6 operating state is determined by diode D5 institute galvanization, and triode Q6 may conducting or cut-off.
When storage battery GB does not access, no matter AC/DC rectification module G2 out-put supply whether with or without, and no matter which kind of state triode Q8 is operated in, and triode Q6 all ends.
The utility model requires that storage battery GB voltage is greater than 21V, otherwise switch unreliable.
AC/DC rectification module G2 exports the grid of the field effect transistor Q1 being added to P-channel enhancement type by resistance R2, when Q2 ends, and the gate source voltage U of field effect transistor Q1 gSbe greater than cut-in voltage UT (the namely field effect transistor gate source voltage U of P-channel enhancement type of this field effect transistor Q1 gSabsolute value is less than cut-in voltage U tabsolute value), field effect transistor Q1 end, cut off the path of AC/DC rectification module G2 out-put supply to diode D4 anode, when Q2 conducting is saturated, the gate source voltage U of field effect transistor Q1 gSbe less than the cut-in voltage U of this field effect transistor Q1 t(the namely field effect transistor gate source voltage U of P-channel enhancement type gSabsolute value is greater than cut-in voltage U tabsolute value), field effect transistor Q1 conducting, has opened the path of AC/DC rectification module G2 out-put supply to diode D4 anode.Resistance R3 is mainly used as field effect transistor Q1 conducting limit gate source voltage U gSmaximum (absolute value referred to), protection field effect transistor Q1 do not puncture.
Storage battery GB exports the grid of the field effect transistor Q5 being added to P-channel enhancement type by resistance R12, when Q6 ends, and the gate source voltage U of field effect transistor Q5 gSbe greater than the cut-in voltage U of this field effect transistor Q5 t(the namely field effect transistor gate source voltage U of P-channel enhancement type gSabsolute value is less than cut-in voltage U tabsolute value), field effect transistor Q5 end, cut off the path of storage battery GB power supply to diode D7 anode, when Q6 conducting is saturated, the gate source voltage U of field effect transistor Q5 gSbe less than the cut-in voltage U of this field effect transistor Q1 t(the namely field effect transistor gate source voltage U of P-channel enhancement type gSabsolute value is greater than cut-in voltage U tabsolute value), field effect transistor Q5 conducting, has opened the path of storage battery GB power supply to diode D7 anode.Resistance R13 is mainly used as field effect transistor Q5 conducting limit gate source voltage U gSmaximum (absolute value referred to), protection field effect transistor Q5 do not puncture.
AC/DC rectification module G2 export with storage battery GB power supply by diode D4, D7 or add to central processor unit 1 and signal detection alarm system for ship input power positive pole VCC holds.
When central processor unit 1 is without working power, triode Q4, Q8 base current is zero, and namely triode Q4, Q8 is in cut-off.
The implementation method of uninterrupted power supply control device is as follows:
When AC/DC rectification module G2 has power supply to export, the electric current that AC/DC rectification module G2 out-put supply adds to triode Q7 base stage by resistance R18 after resistance R17, R19 dividing potential drop makes triode Q7 saturated, when AC/DC rectification module non-transformer exports, AC/DC rectification module non-transformer exports the base stage being added to triode Q7 after resistance R17, R19 dividing potential drop by resistance R18, and triode Q7 ends.
When the storage battery GB voltage sets accessed is greater than 21V, the electric current that storage battery GB power supply adds to triode Q3 base stage by resistance R7 after resistance R10, R8 dividing potential drop makes triode Q3 saturated, when removing storage battery GB, storage battery GB non-transformer adds to the base stage of triode Q3 after resistance R10, R8 dividing potential drop by resistance R7, triode Q3 ends.
When AC/DC rectification module G2 non-transformer exports, when the storage battery GB voltage sets of access is greater than 21V, triode Q7 ends, and the base stage that storage battery GB power supply adds to triode Q6 through resistance R14, diode D5 makes triode Q6 saturated, the gate source voltage of field effect transistor Q5 | U gS| its cut-in voltage of > | U t|, field effect transistor Q5 conducting, the power supply of storage battery GB delivers to central processor unit 1 and signal detection alarm system for ship with drain electrode through diode D7 by the source electrode of field effect transistor Q5, now central processor unit 1 has detected storage battery GB, AC/DC rectification module G2 non-transformer exports, and no matter whether AC electric power systems has electricity, central processor unit 1 output low level " 0 " is by the base stage of resistance R20 to triode Q8, triode Q8 ends, storage battery GB power supply is again through resistance R16, diode D6 adds to the base stage of triode Q6, further maintenance field effect transistor Q5 conducting, central processor unit 1 exports the base stage of high level " 1 " by resistance R9 to triode Q4, triode Q4 is saturated.
When the storage battery GB of access removes, when AC/DC rectification module G2 has power supply to export, triode Q3 ends, and the base stage that AC/DC rectification module G2 power supply adds to triode Q2 through resistance R4, diode D2 makes triode Q2 saturated, the gate source voltage of field effect transistor Q1 | U gS| its cut-in voltage of > | U t|, field effect transistor Q1 conducting, the out-put supply of AC/DC rectification module G2 delivers to central processor unit 1 and signal detection alarm system for ship with drain electrode through diode D4 by the source electrode of field effect transistor Q1, now central processor unit 1 detects that AC/DC rectification module G2 has power supply to export, do not access storage battery GB, and no matter whether AC electric power systems has electricity, central processor unit 1 output low level " 0 " is by the base stage of resistance R9 to triode Q4, triode Q4 ends, AC/DC rectification module G2 out-put supply is again through resistance R6, diode D3 adds to the base stage of triode Q2, further maintenance field effect transistor Q1 conducting, central processor unit 1 exports the base stage of high level " 1 " by resistance R20 to triode Q8, triode Q8 is saturated.
When AC/DC rectification module has power supply to export, central processor unit 1 detects the non-dead electricity of boats and ships AC electric power systems, central processor unit 1 output low level " 0 " is by the base stage of resistance R9 to triode Q4, triode Q4 ends, AC/DC rectification module G2 out-put supply adds to the base stage of triode Q2 through resistance R6, diode D3, now have access to storage battery GB voltage and be greater than 21V, then triode Q2 is saturated, field effect transistor Q1 conducting, if now do not access storage battery GB, then triode Q2 keeps saturated, and field effect transistor Q1 keeps conducting; Central processor unit 1 exports the base stage of high level " 1 " by resistance R20 to triode Q8 after the delay adjustments time, triode Q8 is saturated.
When central processor unit 1 is by resistance R17, R19 samples AC/DC rectification module G2 has power supply to export, and the storage battery GB voltage sets of access is when being greater than 21V, central processor unit 1 detects the alternating current 220V dead electricity of boats and ships AC electric power systems by photoelectrical coupler OC, output low level " 0 " is by the base stage of resistance R20 to triode Q8, triode Q8 ends, storage battery GB power supply is through resistance R16, diode D6 adds to the base stage of triode Q6, triode Q6 is saturated, field effect transistor Q5 conducting, central processor unit 1 exports the base stage of high level " 1 " by resistance R9 to triode Q4 after the delay adjustments time, triode Q4 is saturated.
The utility model delay adjustments set of time is between 5 seconds to 10 seconds.
Red led 2 is malfunction indicator lamp, it is often bright when fault is only AC/DC rectification module G2 no-output, when fault is only glimmered at a slow speed lower than 22V or when not accessing for storage battery GB voltage, when fault is that AC/DC rectification module G2 no-output and storage battery GB voltage are lower than fast blink during 22V.
White indicating light 3 is power supply indicator, and the alternating current 220V for boats and ships AC electric power systems is powered often bright, the flicker when uninterrupted power supply of the alternating current 220V that storage battery GB powers or onboard computer is equipped with is powered.
When central processor unit 1 detects AC/DC rectification module G2 no-output by testing circuit, but when storage battery GB voltage is more than or equal to 22V, export normal bright signal to red led 2, red led 2 Chang Liang; When by testing circuit, central processor unit 1 detects that storage battery GB voltage is lower than 22V or do not access, but when detecting that AC/DC rectification module G2 has output, export at a slow speed flash signal to red led 2, red led 2 glimmers at a slow speed, when central processor unit 1 detects AC/DC rectification module G2 no-output, when storage battery GB voltage is again lower than 22V, export fast blink signal to red led 2, red led 2 fast blink.
The alternating current 220V detecting boats and ships AC electric power systems when central processor unit 1 has electricity, and when AC/DC rectification module G2 has output, central processor unit exports normal bright signal to white indicating light 3, white indicating light 3 Chang Liang.
When the alternating current 220V that central processor unit 1 detects boats and ships AC electric power systems is without electricity, central processor unit 1 exports flash signal to white indicating light 3, and white indicating light 3 glimmers.
When central processor unit 1 detects that storage battery GB voltage is more than or equal to 22V, and AC/DC rectification module G2 no-output, when central processor unit 1 detects that AC/DC rectification module G2 has output, and storage battery GB voltage is lower than 22V or do not access, when central processor unit 1 detects AC/DC rectification module G2 no-output, when storage battery GB voltage is again lower than 22V, central processor unit 1 transmits different faults information by the fault-signal output port adapted with signal detection alarm system for ship and processes to signal detection alarm system for ship.
Above-described embodiment only listing property illustrates principle of the present utility model and effect, but not for limiting the utility model.Any person skilled in the art person all can without departing from the spirit and scope of the present invention, modify to above-described embodiment.Therefore, rights protection scope of the present utility model, should listed by claims.

Claims (5)

1. a uninterrupted power supply control device for signal detection alarm system for ship, is made up of the field effect transistor Q1 of central processor unit (1), photoelectrical coupler OC, electric capacity C, diode D1 to D7, P-channel enhancement type and Q5, NPN type switch triode Q2 to Q4 and Q6 to Q8, resistance R1 to R20, red led (2), white indicating light (3), it is characterized in that, described resistance R2, R4, R6, one end of R17 and the source electrode of field effect transistor Q1 are all linked into the positive pole of the out-put supply 24V of AC/DC rectification module, the grid phase of one end of resistance R3 and the other end of R2 and field effect transistor Q1 also connects, the other end of resistance R3 is connected with the collector electrode of triode Q2, the collector electrode phase of the other end of resistance R4 and the anode of diode D2 and triode Q3 also connects, the drain electrode of field effect transistor Q1 is connected with the anode of diode D4, one end of resistance R5 and diode D2, the negative electrode of D3 is with the base stage phase of triode Q2 and connect, the collector electrode phase of the other end of resistance R6 and the anode of diode D3 and triode Q4 also connects, the base stage of triode Q4 is exported by the I/O that resistance R9 and central processor unit (1) control electrical source exchange and is connected, one end of resistance R7 is connected with the base stage of triode Q3, one end of resistance R8 and R10 is with the other end phase of R7 and connect rear access central processor unit (1) A/D input interface, resistance R12, R14, the source electrode of one end of R16 and the other end of R10 and field effect transistor Q5 is all linked into the positive pole of the storage battery GB of 24V peculiar to vessel, the grid phase of the other end of resistance R12 and one end of R13 and field effect transistor Q5 also connects, the other end of resistance R13 is connected with the collector electrode of triode Q6, the collector electrode phase of the other end of resistance R14 and the anode of diode D5 and triode Q7 also connects, the drain electrode of field effect transistor Q5 is connected with the anode of diode D7, one end of resistance R15 and diode D5, the negative electrode of D6 is with the base stage phase of triode Q6 and connect, the collector electrode phase of the other end of resistance R16 and the anode of diode D6 and triode Q8 also connects, the base stage of triode Q8 by resistance R20 and central processor unit (1) control electrical source exchange I/O another export and be connected, the base stage of triode Q7 is connected with one end of resistance R18, the other end of resistance R17 and R18 is with one end phase of R19 and connect rear access central processor unit (1) I/O input interface, diode D4, the negative electrode of D7 is interconnected the power supply input anode VCC of rear access central processor unit (1) and signal detection alarm system for ship, one end of resistance R1 is connected with one end of the alternating current 220V power supply of boats and ships AC electric power systems, the anode phase of the other end of resistance R1 and the negative electrode of diode D1 and light-emitting diode in photoelectrical coupler OC also connects, in photoelectrical coupler OC, the negative electrode of light-emitting diode accesses the other end of the alternating current 220V power supply of boats and ships AC electric power systems after being connected with the anode of diode D1, in photoelectrical coupler OC, the collector electrode of phototriode exports VCC1 with central processor unit (1) power supply and is connected, one end of resistance R11 accesses another input interface of central processor unit (1) I/O with the positive pole of electric capacity C with the emitter of phototriode in photoelectrical coupler OC after being connected, the output of central processor unit (1) is also connected to red led (2) and white indicating light (3), described central processor unit (1) includes the fault-signal output port adapted with signal detection alarm system for ship, be connected with signal detection alarm system for ship by this fault-signal output port, the negative pole of the negative pole of the other end of resistance R5, R8, R11, R15, R19 and the emitter of triode Q2, Q3, Q4, Q6, Q7, Q8 and electric capacity C, the negative pole of storage battery GB, central processor unit (1) power supply, the power cathode of signal detection alarm system for ship all access the negative pole of the out-put supply of AC/DC rectification module by connecting line.
2. the uninterrupted power supply control device of signal detection alarm system for ship as claimed in claim 1, it is characterized in that, described central processor unit (1) includes timer and A/D input interface.
3. the uninterrupted power supply control device of signal detection alarm system for ship as claimed in claim 1, is characterized in that, the described fault-signal output port adapted with signal detection alarm system for ship comprises switching value port and communication interface.
4. the uninterrupted power supply control device of signal detection alarm system for ship as claimed in claim 1, it is characterized in that, described storage battery GB supply voltage is greater than 21V.
5. the uninterrupted power supply control device of signal detection alarm system for ship as claimed in claim 1, it is characterized in that, described diode D1, D2, D3, D4, D5, D6, D7 are switching diode.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659902A (en) * 2015-02-05 2015-05-27 江苏科技大学 Continuous power supply control device of ship signal detecting and alarming system and implementation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659902A (en) * 2015-02-05 2015-05-27 江苏科技大学 Continuous power supply control device of ship signal detecting and alarming system and implementation method thereof

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