CN205510460U

CN205510460U - High frequency type emergency lighting centrally connected power source

Info

Publication number: CN205510460U
Application number: CN201521138426.XU
Authority: CN
Inventors: 李洪林
Original assignee: Shandong Helida Technology Co Ltd
Current assignee: Shandong Helida Technology Co Ltd
Priority date: 2015-12-31
Filing date: 2015-12-31
Publication date: 2016-08-24
Anticipated expiration: 2025-12-31

Abstract

High frequency type emergency lighting centrally connected power source, including power cabinet and power cabinet inner structure, power cabinet inner structure include battery, invertion power supply and control circuit, control circuit insert the 220V commercial power and be connected with battery and invertion power supply, power cabinet shell on be provided with strong breakdown pass, hand switch and hand automatic switch. The utility model discloses when commercial power power system blackouts or grid voltage are less than 187V or are higher than 242V, by the output of the reserve direct current of battery, continue to supply power for the load. After the electric wire netting returns to normal the utility model discloses switch to mains supply, working life is long, and environmental suitability is strong, more can adapt to the requirement of fire control emergency service.

Description

High-frequency type emergency lighting centrally connected power source

Technical field

This utility model relates to mains lighting supply technical field, specifically a kind of high-frequency type emergency lighting Centrally connected power source.

Background technology

The raising required electric power safeguard and security against fire along with people, is main with electromotor and UPS Emergency service mode has exposed many weak points.At least need tens of with diesel generating set startup Second, to several minutes, is otherwise used in emergency service occasion, has many disadvantages, there is design difficulty big, Cost is high, there is disaster hidden-trouble, and regular maintenance is frequent, and workload is big, and noise is big, produces public hazards, Seriously polluted, affect the problems such as environmental protection.UPS is not only responsible for outside emergency service, is also responsible for improvement electricity The task of power quality, so its inverter continuously to work, service life is relatively short, one As be 5～8 years, the especially replacing of battery is the most frequent.On the other hand, the inverter of UPS is long-term Being in work, the loss of self is relatively big, and the highest to using environmental requirement, and additionally UPS is general Designing for the computer of IT industry and communication class load, its adaptive load ability is not as good as EPS, choosing With UPS as emergency power supply, working unreliable, cost is high.

Utility model content

The purpose of this utility model is to provide a kind of high-frequency type emergency lighting centrally connected power source, is used for solving Off-line UPS power small band carries single, and adaptive capacity to environment is poor, the problem that cost is relatively high.

The technical scheme in the invention for solving the technical problem is: high-frequency type emergency lighting collection Middle power supply, including power cabinet and be arranged on the electrical equipment within power cabinet, is characterized in that, described Electrical equipment includes accumulator, inverter and control loop；Described control loop respectively with 220V Civil power, accumulator and inverter connect；Strong breakdown pass, hands it is provided with on described power cabinet shell Dynamic switch and hands switch automatically.

Further, described inverter includes high-frequency inverter, commutator, PWM inverter and defeated Go out wave filter；The output of the input termination accumulator of described high-frequency inverter, output termination commutator Input, commutator output termination PWM inverter input, PWM inverter output termination Output filter, output filter output 220V burning voltage.

Further, described control loop includes that power circuit, main control chip circuit, civil power are sampled Circuit, telecommunication circuit, outputting circuit for relay, testing circuit and switching value input circuit；Described Power circuit, civil power sample circuit, telecommunication circuit, outputting circuit for relay, testing circuit and switch Amount input circuit is all connected with main control chip circuit.

Further, described power circuit includes reduction voltage circuit, isolation mu balanced circuit, the first filtering Circuit and the second filter circuit；

Described reduction voltage circuit include electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, Electric capacity C7, electric capacity C8, electric capacity C18, electric capacity C19 and 7805 chip U1；Described electric capacity C2's One end connects+12V voltage, the other end of electric capacity C2,7805 cores with the Vin pin of 7805 chip U1 The GND pin of sheet U1, one end of electric capacity C3, one end of electric capacity C4, one end of electric capacity C5, electricity Hold one end of C6, one end of electric capacity C7, one end of electric capacity C8, one end of electric capacity C18 and electric capacity C19 One end connect and ground connection, the other end of electric capacity C3, the other end of electric capacity C4, electric capacity C5 another End, the other end of electric capacity C6, the other end of electric capacity C7, the other end of electric capacity C8, electric capacity C18 The Vout pin of the other end and the other end of electric capacity C19 and 7805 chip U1 connects and exports+5V electricity Pressure；

Described isolation mu balanced circuit includes IB0505LS-1W chip U2, electric capacity C24, electric capacity C25 With electric capacity C26；The VIN+ pin of described IB0505LS-1W chip U2 connects+5V voltage, and GNDI draws Foot ground connection, VOUT+ pin and one end of electric capacity C24, one end of electric capacity C25 and one end of electric capacity C26 Connecting, GNDO pin is another with the other end of electric capacity C24, the other end of electric capacity C25 and electric capacity C26's One end connects；

The first described filter circuit includes electric capacity C9, electric capacity C20, electric capacity C21 and electric capacity C12；Institute One end of electric capacity C9 of stating, one end of electric capacity C20, one end of electric capacity C17, one end of electric capacity C21 After connecting with one end of electric capacity C12 and connect+12V voltage；The other end of electric capacity C9, electric capacity C20 another After the other end of one end, the other end of electric capacity C17, the other end of electric capacity C21 and electric capacity C12 connects And ground connection；

The second described filter circuit includes electric capacity C22, electric capacity C23 and electric capacity C15；Described electric capacity One end connection of one end, one end of electric capacity C23 and the electric capacity C15 of 22 is followed by-12V voltage；Electric capacity C22 The other end, the other end of electric capacity C23 and electric capacity C15 the other end connect after and ground connection.

Further, described main control chip circuit includes STC12C5A16S2 chip U3, switchs S1, Resistance R21, resistance R29, resistance R6 and by resistance R30, resistance R31, crystal oscillator Y1, electric capacity C27, Electric capacity C28, light emitting diode D6 and the peripheral circuit of light emitting diode D7 composition；Described The RST pin of STC12C5A16S2 chip U3 connect with resistance R21 after ground connection, P32 pin serial connection is opened Closing ground connection after S1, P46 pin is connected with one end and resistance R6 one end of resistance R29, resistance R29's Another terminates 5V voltage, the other end ground connection of resistance R6；The XTAL1 of STC12C5A16S2 chip U3 Pin is connected with one end of crystal oscillator Y1 and one end of electric capacity C27, another of XTAL2 pin and crystal oscillator Y1 One end of end and electric capacity C28 connects, the other end of electric capacity C27 and the other end ground connection of electric capacity C28； The positive pole of light emitting diode D6 connects+5V voltage, one end of negative pole connecting resistance R30, and resistance R30's is another The P21 pin of one termination STC12C5A16S2 chip；The positive pole of light emitting diode D7 connects+5V voltage, One end of negative pole connecting resistance R31, the P20 of another termination STC12C5A16S2 chip U3 of resistance R31 Pin.

Further, described civil power sample circuit include transformer T1, diode D1, diode D1-1, Diode D2, adjustable resistance VR1, resistance R1, resistance R2 and electric capacity C1；Described transformer T1 No. 1 interface and No. 2 interfaces access civil powers, No. 3 interfaces of transformer T1 are just meeting diode D1 Pole, No. 5 interfaces of transformer T1 connect the positive pole of diode D1-1, the negative pole of diode D1 and two poles One end of the negative pole connecting resistance R1 of pipe D1-1, No. 1 of another termination adjustable resistance VR1 of resistance R1 Interface, one end of No. 2 interface connecting resistance R2 of adjustable resistance VR1, the other end of resistance R2, two The negative pole of pole pipe D2 and the P10 pin of a termination STC12C5A16S2 chip of electric capacity C1；Adjustable electric No. 3 interfaces of resistance VR1 connect the positive pole of diode D2 and the other end of electric capacity C1 ground connection.

Further, described telecommunication circuit includes optocoupler U5, resistance R47, resistance R48, resistance R50, resistance R52, resistance R54, resistance R55, resistance R56, Zener diode D15, SN75176B Chip U7 and ADUM1201 chip U8；The A port of described optocoupler U5 connects+5V voltage, K port Connecting with resistance R48 and be followed by the P36 pin of STC12C5A16S2 chip, C port is with resistance R50's One end, the RE pin of SN75176B chip U7 and DE pin connect, another termination electricity of resistance R50 The VOUT+ pin of IB050LS-1W chip U2 in source circuit, E port connects SN75176B chip U7's GND pin；The VDD1 pin of described ADUM1201 chip U8 meets the VCC of SN75176B chip and draws Foot, VOA pin is connected with resistance R47 and is followed by the P12 pin of STC12C5A16S2 chip U3, VIB Pin connects the P13 pin of STC12C5A16S2 chip U3, GND1 pin ground connection, and VIA pin connects The RO pin of SN75176B chip U7, VOB pin meets the DI pin of SN75176B chip U7, GND2 Pin meets the VCC of the GND pin of SN75176B chip U7, VDD2 pin and SN75176B chip U7 Pin connects the VOUT+ pin being followed by IB050LS-1W chip in power circuit；SN75176B chip U7 B pin be connected with one end of resistance R52 and one end of resistance R55, resistance R52 another termination The GND pin of SN75176B chip U7, the A pin of SN75176B chip U7 and the one of resistance R54 One end of end and resistance R56 connects, and the other end of resistance R56 and the positive pole of Zener diode D15 connect Another termination of the A pin of SN75176B chip U7, the negative pole of Zener diode D15 and resistance R55 The B pin of SN75176B chip U7, IB050LS-1W in another termination power circuit of resistance R54 The VOUT+ pin of chip U2.

Further, described outputting circuit for relay include resistance R3, resistance R18, resistance R27, Audion Q1, LED 1, diode D3, relay K M1 and the auxiliary of relay K M1 Normally opened k1；One end of described resistance R3 and a termination STC12C5A16S2 chip U3 of resistance R18 P00 pin, the other end ground connection of resistance R3, the B of the other end of resistance R18 and audion Q1 Pole connects, the C pole of audion Q1 and the negative pole of LED 1, the positive pole of diode D3 and One end of relay K M1 coil connects, the E pole ground connection of audion Q1；LED 1 Another termination+12V voltage of positive pole, the negative pole of diode D3 and relay K M1 coil, relay The normally opened k1 of auxiliary of KM1 connects accumulator and civil power.

Further, described testing circuit includes civil power open detection circuit, battery open circuit detection electricity Road and output current detection circuit；

Described civil power open detection circuit includes Zener diode D8, resistance R32, resistance R22, electricity Resistance R7, electric capacity C29 and audion Q4；The positive pole of described Zener diode D8 connects the live wire of civil power, One end of the negative pole connecting resistance R32 of Zener diode D8, the other end of resistance R32 is with resistance R22's The B pole of one end, one end of electric capacity C29 and audion Q4 connects, the other end of resistance R22, electric capacity The other end of C29 and the E pole ground connection of audion Q4, the C pole of audion Q4 and one end of resistance R7 Connect the P27 pin of STC12C5A16S2 chip, another termination 5V power supply of resistance R7；

Described battery open circuit testing circuit includes Zener diode D9, resistance R8, resistance R9, resistance R10, electric capacity C30 and audion Q5；The positive pole of described Zener diode D9 connects battery, voltage stabilizing two pole One end of the negative pole connecting resistance R8 of pipe D9, the other end of resistance R8 and one end of resistance R9, electric capacity One end of C30 and the B pole of audion Q5 connect, the other end of resistance R9, the other end of electric capacity C30 With the E pole ground connection of audion Q5, the C pole of audion Q5 terminates STC12C5A16S2 with the one of resistance R10 The P26 pin of chip, another termination 5V power supply of resistance R10；

Described output current detection circuit include Zener diode D16, resistance R8-1, resistance R8-2, Adjustable resistance VR2 and electric capacity C35；The output of the one termination inverter of described resistance R8-1, resistance The port 1 of another termination adjustable resistance VR2 of R8-1, the port 2 connecting resistance R8-2 of adjustable resistance VR2 One end, the negative pole of the other end of resistance R8-2 and Zener diode D16 and a termination of electric capacity C35 The P11 pin of STC12C5A16S2 chip U3, the port 3 of adjustable resistance VR2 and Zener diode The positive pole of D16 and the other end ground connection of electric capacity C35.

Further, described switching value input circuit include resistance R14, resistance R15, resistance R16, Resistance R17, resistance R39, resistance R40, resistance R41, resistance R42, optocoupler U4A, optocoupler U4B, Optocoupler U4C and optocoupler U4D；Described one end of resistance R14, one end of resistance R15, resistance R16 One end and a termination 5V power supply of resistance R17, the C end of the other end of resistance R14 and optocoupler U4D Mouth connects the C end of the P23 pin of STC12C5A16S2 chip, the other end of resistance R15 and optocoupler U4C Mouth connects the C end of the P22 pin of STC12C5A16S2 chip, the other end of resistance R16 and optocoupler U4B Mouth connects the C end of the P25 pin of STC12C5A16S2 chip, the other end of resistance R17 and optocoupler U4A Mouth connects, the E port of optocoupler U4A, the E port of optocoupler U4B, the E port of optocoupler U4C and light The E port ground connection of coupling U4D, one end of resistance R39, one end of resistance R40, the one of resistance R41 End and a termination+12V power supply of resistance R42, the A port of another termination optocoupler U4C of resistance R39, The A port of another termination optocoupler U4A of resistance R40, the A of another termination optocoupler U4B of resistance R41 Port, the A port of another termination optocoupler U4D of resistance R42, the K port of optocoupler U4A, optocoupler The K port of the K port of U4B, the K port of optocoupler U4C and optocoupler U4D connects STC12C5A16S2 core Sheet U3.

The beneficial effects of the utility model are: a kind of high-frequency type emergency lighting collection that this utility model provides Middle power supply, when utility grid voltage is normal, electrical network alternating current through this utility model directly to load supplying, This utility model carries out intelligent charge to accumulator simultaneously；When utility grid power failure or line voltage are less than 187V or higher than 242V time, by the standby unidirectional current of accumulator export, continue powering load.When electrical network is extensive Multiple normal rear this utility model is switched to electrical network and powers, and long working life, environmental suitability is strong, more can Adapt to the requirement that fire-fighting emergent is powered.

DC voltage after the inverter rectifying and wave-filtering that this utility model provides enters PWM inverter, PWM inverter utilizes MCU digital synthesis technology, the pulse width modulated wave by sinusoidal rule change through inverse Become, the DC voltage after rectifying and wave-filtering is reverse into the high frequency waveforms of sinusoidal rule change, then through defeated Go out wave filter and eventually become sine wave, then export to loading use through controlling loop.Can be direct current Electricity first passes through high-frequency inversion and becomes square wave, then boosts through high frequency transformer, then becomes through rectifying and wave-filtering About 380V DC voltage, and through civil power sample circuit, d. c. voltage signal is fed back to control loop, Form closed loop feedback, the floating of cell voltage can be offset.

Telecommunication circuit of the present utility model, is transferred out 485 interfaces by SN75176B chip, and centre is used Light-coupled isolation, and magnetic coupling isolating chip ADUM1201 does electrical isolation, decreases interference, can will detect The information of electric circuit inspection is gone out by 485 bus responses, will export the various data detected.

The testing circuit that this utility model provides can detect open circuit, short circuit and current signal, information Pass to single-chip microcomputer and may determine that fault-signal.

The switching value input circuit that this utility model provides passes through light-coupled isolation to single-chip microcomputer signal, it is achieved Qiang Qi, hands, automatic function.Power cabinet shell is provided with and makes battery not opening by force by over Switch, when opening by force switch connection, power supply normally can work under the conditions of overload 20%.

This utility model can be communicated with emergency lighting controller able etc. by 485 buses.

Accompanying drawing explanation

Fig. 1 is surface structure schematic diagram of the present utility model；

Fig. 2 is schematic diagram of the function of the present utility model；

Fig. 3 is inverter structural circuit figure of the present utility model；

Fig. 4 is reduction voltage circuit figure of the present utility model；

Fig. 5 is isolation mu balanced circuit figure of the present utility model；

Fig. 6 is the first filter circuit figure of the present utility model；

Fig. 7 is the second filter circuit figure of the present utility model；

Fig. 8 is main control chip circuit diagram of the present utility model；

Fig. 9 is the peripheral circuit diagram of main control chip of the present utility model；

Figure 10 is civil power sample circuit figure of the present utility model；

Figure 11 is telecommunication circuit figure of the present utility model；

Figure 12 is outputting circuit for relay figure of the present utility model；

Figure 13 is civil power open detection circuit figure of the present utility model；

Figure 14 is battery open circuit testing circuit figure of the present utility model；

Figure 15 is output current detection circuit figure of the present utility model；

Figure 16 is switching value input circuit figure of the present utility model；

In figure: 1, battery rack, 11, strong breakdown close, 12, hand switch, 13, hands switchs automatically.

Detailed description of the invention

As shown in Fig. 1 to Figure 16, this utility model includes power cabinet and is arranged on inside power cabinet Electrical equipment；As it is shown in figure 1, be provided with strong breakdown pass 11, hand switch on power cabinet 1 shell 12 and hands automatically switch 13, as in figure 2 it is shown, electrical equipment includes accumulator, inverter and control Loop；Control loop to be connected with 220V civil power, accumulator and inverter respectively；

As it is shown on figure 3, inverter includes high-frequency inverter, commutator, PWM inverter and output filter Ripple device；The input termination power of high-frequency inverter, the input of output termination commutator, commutator The input of output termination PWM inverter, the output termination output filter of PWM inverter, output filter Ripple device output 220V burning voltage.

Control loop include power circuit, main control chip circuit, civil power sample circuit, telecommunication circuit, Outputting circuit for relay, testing circuit and switching value input circuit；Described power circuit, civil power are adopted Sample circuit, telecommunication circuit, outputting circuit for relay, testing circuit and switching value input circuit all with master Control chip circuit connects.

Power circuit includes reduction voltage circuit, isolation mu balanced circuit, the first filter circuit and the second filtered electrical Road.

As shown in Figure 4, reduction voltage circuit includes electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electricity Hold C6, electric capacity C7, electric capacity C8, electric capacity C18, electric capacity C19 and 7805 chip U1；Electric capacity C2's One end connects+12V voltage, the other end of electric capacity C2,7805 cores with the Vin pin of 7805 chip U1 The GND pin of sheet U1, one end of electric capacity C3, one end of electric capacity C4, one end of electric capacity C5, electricity Hold one end of C6, one end of electric capacity C7, one end of electric capacity C8, one end of electric capacity C18 and electric capacity C19 One end connect and ground connection, the other end of electric capacity C3, the other end of electric capacity C4, electric capacity C5 another End, the other end of electric capacity C6, the other end of electric capacity C7, the other end of electric capacity C8, electric capacity C18 The Vout pin of the other end and the other end of electric capacity C19 and 7805 chip U1 connects and exports+5V electricity Pressure.

As it is shown in figure 5, isolation mu balanced circuit includes IB0505LS-1W chip U2, electric capacity C24, electricity Hold C25 and electric capacity C26；The VIN+ pin of IB0505LS-1W chip U2 connects+5V voltage, and GNDI draws Foot ground connection, VOUT+ pin and one end of electric capacity C24, one end of electric capacity C25 and one end of electric capacity C26 Connecting, GNDO pin is another with the other end of electric capacity C24, the other end of electric capacity C25 and electric capacity C26's One end connects.

As shown in Figure 6, the first filter circuit includes electric capacity C9, electric capacity C20, electric capacity C21 and electric capacity C12；One end of electric capacity C9, one end of electric capacity C20, one end of electric capacity C17, the one of electric capacity C21 End and electric capacity C12 one end connect after and connect+12V voltage；The other end of electric capacity C9, electric capacity C20 The other end of the other end, the other end of electric capacity C17, the other end of electric capacity C21 and electric capacity C12 connects Rear also ground connection.

As it is shown in fig. 7, the second filter circuit includes electric capacity C22, electric capacity C23 and electric capacity C15；Electric capacity One end connection of one end, one end of electric capacity C23 and the electric capacity C15 of 22 is followed by-12V voltage；Electric capacity C22 The other end, the other end of electric capacity C23 and electric capacity C15 the other end connect after and ground connection.

As shown in Figure 8, main control chip circuit includes STC12C5A16S2 chip U3, switchs S1, electricity Resistance R21, resistance R29, resistance R6 and as shown in Figure 9 by resistance R30, resistance R31, crystal oscillator Y1, Electric capacity C27, electric capacity C28, light emitting diode D6 and the peripheral circuit of light emitting diode D7 composition； The RST pin of STC12C5A16S2 chip U3 connect with resistance R21 after ground connection, P32 pin serial connection is opened Closing ground connection after S1, P46 pin is connected with one end and resistance R6 one end of resistance R29, resistance R29's Another terminates 5V voltage, the other end ground connection of resistance R6；The XTAL1 of STC12C5A16S2 chip U3 Pin is connected with one end of crystal oscillator Y1 and one end of electric capacity C27, another of XTAL2 pin and crystal oscillator Y1 One end of end and electric capacity C28 connects, the other end of electric capacity C27 and the other end ground connection of electric capacity C28； The positive pole of light emitting diode D6 connects+5V voltage, one end of negative pole connecting resistance R30, and resistance R30's is another The P21 pin of one termination STC12C5A16S2 chip；The positive pole of light emitting diode D7 connects+5V voltage, One end of negative pole connecting resistance R31, the P20 of another termination STC12C5A16S2 chip U3 of resistance R31 Pin.

As shown in Figure 10, civil power sample circuit include transformer T1, diode D1, diode D1-1, Diode D2, adjustable resistance VR1, resistance R1, resistance R2 and electric capacity C1；No. 1 of transformer T1 Interface and No. 2 interfaces access civil power, and No. 3 interfaces of transformer T1 connect the positive pole of diode D1, mutually No. 5 interfaces of sensor T1 meet the positive pole of diode D1-1, the negative pole of diode D1 and diode D1-1 One end of negative pole connecting resistance R1, No. 1 interface of another termination adjustable resistance VR1 of resistance R1, One end of No. 2 interface connecting resistance R2 of adjustable resistance VR1, the other end of resistance R2, diode D2 Negative pole and electric capacity C1 one termination STC12C5A16S2 chip P10 pin；Adjustable resistance VR1 No. 3 interfaces connect the positive pole of diode D2 and the other end of electric capacity C1 ground connection.

As shown in figure 11, telecommunication circuit include optocoupler U5, resistance R47, resistance R48, resistance R50, Resistance R52, resistance R54, resistance R55, resistance R56, Zener diode D15, SN75176B core Sheet U7 and ADUM1201 chip U8；The A port of optocoupler U5 meets+5V voltage, K port and resistance R48 Series connection is followed by the P36 pin of STC12C5A16S2 chip, C port and one end of resistance R50, SN75176B The RE pin of chip U7 and DE pin connect, in another termination power circuit of resistance R50 The VOUT+ pin of IB050LS-1W chip U2, E port connects the GND pin of SN75176B chip U7； The VDD1 pin of ADUM1201 chip U8 connects the VCC pin of SN75176B chip, VOA pin and electricity Resistance R47 series connection is followed by the P12 pin of STC12C5A16S2 chip U3, and VIB pin meets STC12C5A16S2 The P13 pin of chip U3, GND1 pin ground connection, VIA pin meets the RO of SN75176B chip U7 Pin, VOB pin connects the DI pin of SN75176B chip U7, and GND2 pin connects SN75176B core The GND pin of sheet U7, VDD2 pin is connected with the VCC pin of SN75176B chip U7 and is followed by power supply The VOUT+ pin of IB050LS-1W chip in circuit；The B pin of SN75176B chip U7 and resistance One end of R52 and one end of resistance R55 connect, another termination SN75176B chip U7 of resistance R52 GND pin, the A pin of SN75176B chip U7 and one end of resistance R54 and the one of resistance R56 End connects, and the other end of resistance R56 and the positive pole of Zener diode D15 meet SN75176B chip U7 A pin, another termination SN75176B chip U7 of the negative pole of Zener diode D15 and resistance R55 B pin, the VOUT+ of IB050LS-1W chip U2 in another termination power circuit of resistance R54 Pin.

As shown in figure 12, outputting circuit for relay includes resistance R3, resistance R18, resistance R27, three poles The auxiliary of pipe Q1, LED 1, diode D3, relay K M1 and relay K M1 is normally opened k1；One end of resistance R3 and the P00 pin of a termination STC12C5A16S2 chip U3 of resistance R18, The other end ground connection of resistance R3, the other end of resistance R18 is connected with the B pole of audion Q1, three poles The C pole of pipe Q1 and the negative pole of LED 1, the positive pole of diode D3 and relay K M1 line One end of circle connects, the E pole ground connection of audion Q1；The positive pole of LED 1, diode The negative pole of D3 and another termination+12V voltage of relay K M1 coil, the auxiliary of relay K M1 is normally opened K1 connects accumulator and civil power.

As shown in figure 13, civil power open detection circuit includes Zener diode D8, resistance R32, resistance R22, resistance R7, electric capacity C29 and audion Q4；The positive pole of Zener diode D8 connects the live wire of civil power, One end of the negative pole connecting resistance R32 of Zener diode D8, the other end of resistance R32 is with resistance R22's The B pole of one end, one end of electric capacity C29 and audion Q4 connects, the other end of resistance R22, electric capacity The other end of C29 and the E pole ground connection of audion Q4, the C pole of audion Q4 and one end of resistance R7 Connect the P27 pin of STC12C5A16S2 chip, another termination 5V power supply of resistance R7.

As shown in figure 14, battery open circuit testing circuit includes Zener diode D9, resistance R8, resistance R9, resistance R10, electric capacity C30 and audion Q5；The positive pole of Zener diode D9 connects battery, voltage stabilizing One end of the negative pole connecting resistance R8 of diode D9, one end of the other end of resistance R8 and resistance R9, The B pole of one end of electric capacity C30 and audion Q5 connects, the other end of resistance R9, electric capacity C30 The E pole ground connection of the other end and audion Q5, the C pole of audion Q5 and a termination of resistance R10 The P26 pin of STC12C5A16S2 chip, another termination 5V power supply of resistance R10.

As shown in figure 15, output current detection circuit includes Zener diode D16, resistance R8-1, electricity Resistance R8-2, adjustable resistance VR2 and electric capacity C35；The output of the one termination inverter of resistance R8-1, The port 1 of another termination adjustable resistance VR2 of resistance R8-1, the port 2 of adjustable resistance VR2 connects electricity One end of resistance R8-2, the other end of resistance R8-2 and the negative pole of Zener diode D16 and electric capacity C35 The P11 pin of a termination STC12C5A16S2 chip U3, the port 3 of adjustable resistance VR2 is with steady The positive pole of pressure diode D16 and the other end ground connection of electric capacity C35.

As shown in figure 16, switching value input circuit includes resistance R14, resistance R15, resistance R16, electricity Resistance R17, resistance R39, resistance R40, resistance R41, resistance R42, optocoupler U4A, optocoupler U4B, Optocoupler U4C and optocoupler U4D；One end of resistance R14, one end of resistance R15, one end of resistance R16 With a termination 5V power supply of resistance R17, the other end of resistance R14 connects with the C port of optocoupler U4D The P23 pin of STC12C5A16S2 chip, the other end of resistance R15 connects with the C port of optocoupler U4C The P22 pin of STC12C5A16S2 chip, the other end of resistance R16 connects with the C port of optocoupler U4B The P25 pin of STC12C5A16S2 chip, the other end of resistance R17 connects with the C port of optocoupler U4A Connect, the E port of optocoupler U4A, the E port of optocoupler U4B, the E port of optocoupler U4C and optocoupler U4D E port ground connection, one end of resistance R39, one end of resistance R40, one end of resistance R41 and electricity One termination+12V the power supply of resistance R42, the A port of another termination optocoupler U4C of resistance R39, resistance The A port of another termination optocoupler U4A of R40, the A port of another termination optocoupler U4B of resistance R41, The A port of another termination optocoupler U4D of resistance R42, the K port of optocoupler U4A, the K of optocoupler U4B The K port of port, the K port of optocoupler U4C and optocoupler U4D meets STC12C5A16S2 chip U3.

Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not Restriction to this utility model protection domain, on the basis of the technical solution of the utility model, ability Field technique personnel need not to pay various amendments or deformation that creative work can make still in this practicality Within novel protection domain.

Claims

1. high-frequency type emergency lighting centrally connected power source, including power cabinet and be arranged within power cabinet electric Equipment, is characterized in that, described electrical equipment includes accumulator, inverter and control loop；Institute The control loop stated is connected with 220V civil power, accumulator and inverter respectively；Outside described power cabinet It is provided with strong breakdown pass, hand switch and hands on shell automatically to switch.

High-frequency type emergency lighting centrally connected power source the most according to claim 1, is characterized in that, described Inverter include high-frequency inverter, commutator, PWM inverter and output filter；Described height Frequently the output of the input termination accumulator of inverter, the input of output termination commutator, commutator The input of output termination PWM inverter, the output termination output filter of PWM inverter, output filter Ripple device output 220V burning voltage.

High-frequency type emergency lighting centrally connected power source the most according to claim 1, is characterized in that, described Control loop include power circuit, main control chip circuit, civil power sample circuit, telecommunication circuit, continue Electrical equipment output circuit, testing circuit and switching value input circuit；Described power circuit, civil power are sampled Circuit, telecommunication circuit, outputting circuit for relay, testing circuit and switching value input circuit all with master control Chip circuit connects.

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Power circuit include reduction voltage circuit, isolation mu balanced circuit, the first filter circuit and the second filter circuit；

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Main control chip circuit include STC12C5A16S2 chip U3, switch S1, resistance R21, resistance R29, Resistance R6 and by resistance R30, resistance R31, crystal oscillator Y1, electric capacity C27, electric capacity C28, light-emitting diodes The peripheral circuit of pipe D6 and light emitting diode D7 composition；Described STC12C5A16S2 chip U3's RST pin connect with resistance R21 after ground connection, P32 pin serial connection switch S1 after ground connection, P46 pin with One end of resistance R29 and resistance R6 one end connect, another termination 5V voltage of resistance R29, resistance The other end ground connection of R6；The XTAL1 pin of STC12C5A16S2 chip U3 and one end of crystal oscillator Y1 and One end of electric capacity C27 connects, and XTAL2 pin connects with the other end of crystal oscillator Y1 and one end of electric capacity C28 Connect, the other end of electric capacity C27 and the other end ground connection of electric capacity C28；The positive pole of light emitting diode D6 connects + 5V voltage, one end of negative pole connecting resistance R30, another termination STC12C5A16S2 core of resistance R30 The P21 pin of sheet；The positive pole of light emitting diode D7 connects+5V voltage, one end of negative pole connecting resistance R31, The P20 pin of another termination STC12C5A16S2 chip U3 of resistance R31.

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Civil power sample circuit include transformer T1, diode D1, diode D1-1, diode D2, can Adjust resistance VR1, resistance R1, resistance R2 and electric capacity C1；No. 1 interface of described transformer T1 and No. 2 interfaces access civil power, and No. 3 interfaces of transformer T1 meet the positive pole of diode D1, transformer T1 No. 5 interfaces connect the positive pole of diode D1-1, the negative pole of diode D1 and the negative pole of diode D1-1 One end of connecting resistance R1, No. 1 interface of another termination adjustable resistance VR1 of resistance R1, adjustable electric One end of No. 2 interface connecting resistance R2 of resistance VR1, the other end of resistance R2, the negative pole of diode D2 P10 pin with a termination STC12C5A16S2 chip of electric capacity C1；No. 3 of adjustable resistance VR1 Interface connects the positive pole of diode D2 and the other end of electric capacity C1 ground connection.

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Telecommunication circuit include optocoupler U5, resistance R47, resistance R48, resistance R50, resistance R52, resistance R54, resistance R55, resistance R56, Zener diode D15, SN75176B chip U7 and ADUM1201 Chip U8；The A port of described optocoupler U5 connects+5V voltage, and K port is connected with resistance R48 and is followed by The P36 pin of STC12C5A16S2 chip, C port and one end of resistance R50, SN75176B chip The RE pin of U7 and DE pin connect, IB050LS-1W in another termination power circuit of resistance R50 The VOUT+ pin of chip U2, E port connects the GND pin of SN75176B chip U7；Described The VDD1 pin of ADUM1201 chip U8 connects the VCC pin of SN75176B chip, VOA pin and electricity Resistance R47 series connection is followed by the P12 pin of STC12C5A16S2 chip U3, and VIB pin meets STC12C5A16S2 The P13 pin of chip U3, GND1 pin ground connection, VIA pin meets the RO of SN75176B chip U7 Pin, VOB pin connects the DI pin of SN75176B chip U7, and GND2 pin connects SN75176B core The GND pin of sheet U7, VDD2 pin is connected with the VCC pin of SN75176B chip U7 and is followed by power supply The VOUT+ pin of IB050LS-1W chip in circuit；The B pin of SN75176B chip U7 and resistance One end of R52 and one end of resistance R55 connect, another termination SN75176B chip U7 of resistance R52 GND pin, the A pin of SN75176B chip U7 and one end of resistance R54 and the one of resistance R56 End connects, and the other end of resistance R56 and the positive pole of Zener diode D15 meet SN75176B chip U7 A pin, another termination SN75176B chip U7 of the negative pole of Zener diode D15 and resistance R55 B pin, the VOUT+ of IB050LS-1W chip U2 in another termination power circuit of resistance R54 Pin.

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Outputting circuit for relay include resistance R3, resistance R18, resistance R27, audion Q1, luminous two The normally opened k1 of auxiliary of pole pipe LED1, diode D3, relay K M1 and relay K M1；Described electricity One end of resistance R3 and the P00 pin of a termination STC12C5A16S2 chip U3 of resistance R18, resistance The other end ground connection of R3, the other end of resistance R18 is connected with the B pole of audion Q1, audion Q1 C pole and the negative pole of LED 1, the positive pole of diode D3 and relay K M1 coil One end connects, the E pole ground connection of audion Q1；The positive pole of LED 1, diode D3 Another termination+12V voltage of negative pole and relay K M1 coil, the normally opened k1 of auxiliary of relay K M1 connects Accumulator and civil power.

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, described Testing circuit include civil power open detection circuit, battery open circuit testing circuit and output electric current measure electricity Road；

High-frequency type emergency lighting centrally connected power source the most according to claim 3, is characterized in that, institute The switching value input circuit stated includes resistance R14, resistance R15, resistance R16, resistance R17, resistance R39, resistance R40, resistance R41, resistance R42, optocoupler U4A, optocoupler U4B, optocoupler U4C and light Coupling U4D；Described one end of resistance R14, one end of resistance R15, one end of resistance R16 and resistance The one termination 5V power supply of R17, the other end of resistance R14 connects with the C port of optocoupler U4D The P23 pin of STC12C5A16S2 chip, the other end of resistance R15 connects with the C port of optocoupler U4C The P22 pin of STC12C5A16S2 chip, the other end of resistance R16 connects with the C port of optocoupler U4B The P25 pin of STC12C5A16S2 chip, the other end of resistance R17 connects with the C port of optocoupler U4A Connect, the E port of optocoupler U4A, the E port of optocoupler U4B, the E port of optocoupler U4C and optocoupler U4D E port ground connection, one end of resistance R39, one end of resistance R40, one end of resistance R41 and electricity One termination+12V the power supply of resistance R42, the A port of another termination optocoupler U4C of resistance R39, resistance The A port of another termination optocoupler U4A of R40, the A port of another termination optocoupler U4B of resistance R41, The A port of another termination optocoupler U4D of resistance R42, the K port of optocoupler U4A, the K of optocoupler U4B The K port of port, the K port of optocoupler U4C and optocoupler U4D meets STC12C5A16S2 chip U3.