CN107863818B - Intelligent integrated uninterrupted multi-path direct current output switching power supply - Google Patents
Intelligent integrated uninterrupted multi-path direct current output switching power supply Download PDFInfo
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- CN107863818B CN107863818B CN201711326884.XA CN201711326884A CN107863818B CN 107863818 B CN107863818 B CN 107863818B CN 201711326884 A CN201711326884 A CN 201711326884A CN 107863818 B CN107863818 B CN 107863818B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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Abstract
The invention discloses an intelligent integrated uninterruptible multi-path direct-current output switching power supply which comprises a multi-path direct-current output switching power supply main circuit module, wherein the multi-path direct-current output switching power supply main circuit module comprises an AC power supply input terminal, an AC-to-DC 12/24DC output module switching power supply assembly, an intelligent remote control panel module assembly and a control panel assembly, and each direct-current voltage output interface of 5V/12V/24VDC output is connected with the control panel assembly. The intelligent integrated uninterrupted multi-path direct current output switch power supply is connected with control equipment through a remote industrial personal computer RS232 communication interface to remotely realize real-time monitoring of the output state of the power supply by a program in a remote industrial personal computer or a remote APP control software of a mobile phone; only alternating current is converted into direct current, and then the direct current is converted into direct current to supply power to equipment, so that energy loss is reduced, and unreliable factors of alternating current output amplitude and phase angle do not exist; the whole energy loss is reduced, the operation and control are simple and convenient, the potential safety hazard is small, and the stability and the reliability are high.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to an intelligent integrated uninterrupted multi-path direct current output switching power supply.
Background
The normal power supply under any condition is guaranteed, which is an important foundation of the hydropower industry, and a UPS power supply system is required to be arranged besides the normal power supply of an industrial power grid for the purpose, wherein an UPS power supply is converted from alternating current to direct current to charge a battery, and is inverted from the direct current to alternating current for output, and the output alternating current waveform is approximate to sine wave or square wave; the power supply mode includes UPS power supply and switching power supply, when any one of them is selected alone, can not possess the function of power supply mode in another simultaneously, if select the UPS power, it only exchanges output, do not have direct current output, if select switching power supply, then do not possess the uninterrupted power supply function of UPS power, contravariant function and the emergent function of reserve power, the UPS power is independent product with switching power supply, occupied more space volume in practical application, do not accord with the space use of present trade equipment, and material resources and human cost have been increased. Since both the quantity (2 products) and the rework rate (3 ‰ x2 ═ 6 ‰) are increased; UPS power supplies have the following disadvantages, first: after the UPS is inverted, alternating current is output to supply power to a switching power supply at the later stage, and then the alternating current is converted into required direct current voltage through the switching power supply, so that a large amount of energy loss is caused after a plurality of times of energy conversion, the conversion efficiency is very low, and the UPS does not accord with the energy-saving emission-reducing and energy-saving method advocated by the state; secondly, the method comprises the following steps: the AC waveform output by the UPS power supply inversion is similar to an analog digital power grid, the amplitude and the phase angle of the AC waveform are different from those of a real power grid, and if the amplitude and the phase angle of the AC waveform output by the UPS do not meet the technical requirements, the damage to a subsequent power supply or instrument equipment is easily caused; thirdly, the method comprises the following steps: the UPS power supply charges a battery at every moment, and circuits such as battery charging and discharging protection and the like do not exist, so that potential safety hazards of the battery exist; fourthly: the existing power supply is controlled by a person to switch on and off, and whether the direct current voltage of the power supply is output or not is determined, so that the control is troublesome; in order to solve the above problems, an intelligent integrated uninterruptible multi-path dc output switching power supply is needed.
Disclosure of Invention
The invention aims to provide an intelligent integrated uninterrupted multi-path direct current output switching power supply which has the advantages of energy loss reduction, simplicity and convenience in operation and control, small potential safety hazard, and high stability and reliability, and solves the problems of high energy loss, poor working stability and troublesome operation and control in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent integrated uninterruptible multi-channel direct-current output switching power supply comprises a multi-channel direct-current output switching power supply main circuit module, wherein the multi-channel direct-current output switching power supply main circuit module comprises an AC power supply input terminal, an AC-to-DC 12/24DC output module switching power supply assembly, an intelligent remote control board module assembly and a 5V/12V/24VDC output direct-current voltage output interface connection control board assembly, the AC-to-DC 12/24DC output module switching power supply assembly is connected with the AC power supply input terminal, the output end of the AC-to-DC 12/24DC output module switching power supply assembly is respectively connected with the DC-to-DC 5VDC output module switching power supply assembly, the DC-to-DC 12VDC output module switching power supply assembly and the DC-to-DC 24VDC output module switching power supply assembly in series, the DC-to-DC 12VDC output module switching power supply assembly and the DC-to-DC 24VDC output module switching power supply assembly are electrically connected with the input end of the intelligent remote control board assembly, the AC-to-DC 12/24DC output module switching power supply assembly is connected in series with a DC-to-DC constant voltage constant current DC output battery charging output module switching power supply assembly, the DC-to-DC constant voltage constant current DC output battery charging output module switching power supply assembly is electrically connected with an intelligent automatic charging and discharging management module assembly, the output end of the intelligent automatic charging and discharging management module assembly is respectively electrically connected with a DC-to-DC 5VDC output module switching power supply assembly, a DC-to-DC 12VDC output module switching power supply assembly and a DC-to-DC 24VDC output module switching power supply assembly, the output end of the intelligent automatic charging and discharging management module assembly is connected with a 12/24V battery pack, the input end of the intelligent remote control board module assembly is connected with a remote industrial personal computer RS232 communication interface, the output end of the intelligent remote control board module assembly is connected with 5V/12V/24VDC output interfaces, the output ends of the 5V/12V/24VDC output interfaces are connected with a control board assembly Zone 2A, zone B, zone C, mixed zone, zone DC12V5566-3D, zone E, mixed zone and zone DC5V5566-4F, mixed zone.
Preferably: the AC-to-DC 12/24DC output module switch power supply assembly comprises a surge impact prevention and lightning stroke protection circuit, wherein the surge impact prevention and lightning stroke protection circuit is electrically connected with an AC power supply input terminal, the output end of the surge impact prevention and lightning stroke protection circuit is sequentially connected with a power supply input filter circuit, an AC-to-DC full bridge rectification circuit, an active PFC-PWM switch control circuit, a high-voltage rectification filter circuit, a main power supply high-frequency transformer and circuit and the output end of a +12V full bridge rectification circuit in series and is electrically connected with a +12V direct current output terminal, the output end of the active PFC-PWM switch control circuit is connected with a Vcc rectification control circuit, an auxiliary power supply high-frequency transformer circuit, a 5VSB auxiliary power supply PWM control circuit and the output end of the high-voltage rectification filter circuit, the input end of the Vcc rectification control circuit is connected with a PWM main power supply control circuit in parallel, the input end The output end of the high-voltage rectification filter circuit is electrically connected with the input end of the PWM main power supply control circuit, and the input end of the PWM main power supply control circuit is connected with the auxiliary power supply high-frequency transformer circuit; the output end of the PWM main power supply control circuit is connected with a main power supply voltage-stabilizing feedback circuit in series and is electrically connected with the input end of the output of the +12V full-bridge rectification circuit, the output end of the PWM main power supply control circuit is connected with a startup and shutdown, undervoltage, overvoltage, overcurrent and short-circuit detection protection circuit in series and is electrically connected with the input end of the output of the +12V full-bridge rectification circuit, the output end of the startup and shutdown, undervoltage, overvoltage, overcurrent and short-circuit detection protection circuit is sequentially connected with a +5Vsb rectification control circuit and an auxiliary power supply voltage-stabilizing feedback circuit in series and is electrically connected with the input end of the 5VSB auxiliary.
Preferably: the intelligent automatic charge-discharge management module assembly comprises a +14.6VDC input terminal, wherein the output end of the +14.6VDC input terminal is sequentially connected with a charge isolating switch control circuit, a battery charge-discharge positive electrode circuit and a battery discharge isolating switch control circuit in series, the discharge isolating switch control circuit is electrically connected with a +12/24DC output terminal, the output end of the +14.6VDC input terminal is sequentially connected with an alternating current-direct current voltage input detection circuit and an MCU main chip circuit in parallel connection with the output end of the charge isolating switch control circuit, the input end of the MCU main chip circuit is connected with a 5V three-terminal voltage stabilizing circuit in parallel connection with the output end of the +14.6VDC input terminal, the output end of the MCU main chip circuit is connected with a power display circuit, and the output.
Preferably: the switch power supply assembly of the DC-to-DC 5VDC output module comprises a +12V power supply input terminal, a +12V power supply input terminal connected with a +12V direct current output terminal, an output end of the +12V power supply input terminal is sequentially connected with a low-voltage rectifying filter circuit, a main power supply high-frequency transformer and circuit and a +5V full-bridge rectifying circuit in series for output, an output end of the +5V full-bridge rectifying circuit is connected with a +5V direct current output interface, an output end of the low-voltage rectifying filter circuit is connected with a PWM main power supply control circuit and a main power supply PWM signal driving switch amplifying circuit and is electrically connected with an output end of the main power supply high-frequency transformer and circuit, an output end of the PWM main power supply control circuit is connected with a main power supply voltage stabilizing feedback circuit, the overvoltage, overcurrent and short circuit detection protection circuit is electrically connected with the input end of the output of the +5V full-bridge rectification circuit.
Preferably: the switch power supply assembly of the DC-to-DC 12VDC output module comprises a +12V power supply input terminal, a +12V power supply input terminal connected with a +12V direct current output terminal, an output end of the +12V power supply input terminal is sequentially connected with a low-voltage rectification filter circuit, a main power supply high-frequency transformer and circuit and a +12V full-bridge rectification circuit in series for output, an output end of the +12V full-bridge rectification circuit is connected with a +12V direct current output interface, an output end of the low-voltage rectification filter circuit is connected with a PWM main power supply control circuit and a main control power supply PWM signal drive switch amplifying circuit and is electrically connected with an output end of the main power supply high-frequency transformer and circuit, an output end of the PWM main power supply control circuit is connected with a main power supply voltage stabilization feedback circuit, the overvoltage, overcurrent and short circuit detection protection circuit is electrically connected with the input end of the output of the +12V full-bridge rectification circuit.
Preferably: the switch power supply assembly of the DC-to-DC 24VDC output module comprises a +12V power supply input terminal, a +12V power supply input terminal connected with a +12V direct current output terminal, an output end of the +12V power supply input terminal is sequentially connected with a low-voltage rectifying filter circuit, a main power supply high-frequency transformer and circuit and a +24V full-bridge rectifying circuit in series for output, an output end of the +24 full-bridge rectifying circuit is connected with a +24V direct current output interface, an output end of the low-voltage rectifying filter circuit is connected with a PWM main power supply control circuit and a main control power supply PWM signal driving switch amplifying circuit and is electrically connected with an output end of the main power supply high-frequency transformer and circuit, an output end of the PWM main power supply control circuit is connected with a main power supply voltage stabilizing feedback circuit, the overvoltage, overcurrent and short circuit detection protection circuit is electrically connected with the input end of the output of the +24V full-bridge rectification circuit.
Compared with the prior art, the invention has the beneficial effects that: the intelligent integrated uninterruptible multi-path direct-current output switching power supply body converts AC input into direct-current output through an AC-to-DC 12/24DC output module switching power supply assembly, converts the AC input into the direct-current output through a DC5VDC output module switching power supply assembly, a DC-to-DC 12VDC output module switching power supply assembly and a DC-to-DC 24VDC output module switching power supply assembly into 5V, 12V and 24V direct-current output respectively, and is connected with a control device through a remote industrial personal computer RS232 communication interface to remotely control whether the direct-current voltage of a power supply is output or not, so that the real-time monitoring of the output state of the power supply by a program in a remote industrial control host or mobile phone remote APP control software can be realized, and the timely output of the corresponding voltage of each area is controlled through switching, and when the direct-current voltage is not output; when the direct-current voltage is normally output, the 12/24V battery pack is supplied with power by the DC-to-DC constant-voltage constant-current DC output battery charging output module switch power supply assembly and the intelligent automatic charging and discharging management module assembly, and a standby power supply is reserved; in the working process, the equipment can be powered by only converting alternating current into direct current and then converting the direct current into the direct current, the energy loss of the two times of conversion is up to 35 percent at most, the energy loss is reduced, the problems of large multi-level energy conversion loss and low efficiency before two power supplies (a UPS power supply and a switching power supply) are solved, the alternating current input voltage is converted into the direct current and then directly converted into the direct current voltage meeting the requirements of parts of a rear-level product for output, the unreliable factors of the alternating current output amplitude and the phase angle do not exist, and the stability and the reliability of the self product and the rear-level product can be better ensured; the whole energy loss is reduced, the operation and control are simple and convenient, the potential safety hazard is small, and the stability and the reliability are high.
Drawings
FIG. 1 is a frame structure diagram of a main circuit module of a multi-path DC output switching power supply according to the present invention;
FIG. 2 is a block diagram of the AC to DC12/24DC output module switching power supply assembly frame of the present invention;
FIG. 3 is a circuit diagram of an intelligent automatic flushing and discharging management module assembly according to the present invention;
FIG. 4 is a circuit diagram of a DC-to-DC 5V DC output module switching power supply assembly according to the present invention;
FIG. 5 is a circuit diagram of a DC-to-DC 12V DC output module switching power supply assembly according to the present invention;
FIG. 6 is a circuit diagram of a DC-to-DC 24V DC output module switching power supply assembly according to the present invention;
FIG. 7 is a diagram illustrating the power consumption conversion of a conventional power supply;
fig. 8 is a power consumption conversion diagram of the power supply of the present invention.
In the figure: 1 multi-path direct current output switch power supply main circuit module, 2AC power supply input terminals, 3AC to DC12/24DC output module switch power supply assembly, 4 intelligent remote control panel module assembly, 55V/12V/24VDC output direct current voltage output interface connection control panel assembly, 6DC to DC5VDC output module switch power supply assembly, 7DC to DC12VDC output module switch power supply assembly, 8DC to DC24VDC output module switch power supply assembly, 9DC to DC constant voltage constant current DC output battery charging output module switch power supply assembly, 10 intelligent automatic charging and discharging management module assembly, 11-12/24V battery pack, 12 remote industrial computer RS232 communication interface, 13DC24V5566-2A area, B area, C area, mixing area, 14DC12V5566-3D area, E area, mixing area, 15PWM main power supply control circuit, 15DC5V 66-4F area, mixing area, 16 surge impact prevention and lightning stroke protection circuit, 17 power input filter circuit, 18 AC-to-DC full bridge rectifier circuit, 19 active PFC-PWM switch control circuit, 20 high voltage rectifier filter circuit, 21 main power high frequency transformer and circuit, 22+12V full bridge rectifier circuit output, 23+12V DC output terminal, 24Vcc rectifier control circuit, 25 auxiliary power high frequency transformer circuit, 26-5VSB auxiliary power PWM control circuit, 27PWM main power control circuit, 28 main power PWM signal drive switch amplifier circuit, 29 main power voltage stabilization feedback circuit, 30 on-off machine, undervoltage, overvoltage, overcurrent, short circuit detection protection circuit, 31+5Vsb rectifier control circuit, 32 auxiliary power voltage stabilization feedback circuit, 33 temperature control circuit, 34+14.6VDC input terminal, 35 charging isolation switch control circuit, 36 battery charge-discharge positive and negative pole circuit, 37 discharge isolation switch control circuit, 38+12/24DC output terminal, 39 alternating current-direct current voltage input detection circuit, 40MCU main chip circuit, 415V three-terminal voltage stabilizing circuit, 42 electric quantity display circuit, 43 group battery intelligent protection circuit, 44+12V power input terminal, 45 low-voltage rectification filter circuit, 46+5V full-bridge rectifier circuit output, 47+5V direct current output interface, 48+12V direct current output interface, 49+24 full-bridge rectifier circuit output, 50+24V direct current output interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an intelligent integrated uninterruptible multi-path direct-current output switch power supply comprises a multi-path direct-current output switch power supply main circuit module 1, wherein the multi-path direct-current output switch power supply main circuit module 1 comprises an AC power supply input terminal 2, an AC-to-DC 12/24DC output module switch power supply assembly 3, an intelligent remote control panel module assembly 4 and a 5V/12V/24VDC output direct-current voltage output interface connected with a control panel assembly 5, the AC-to-DC 12/24DC output module switch power supply assembly 3 is connected with the AC power supply input terminal 2, the output end of the AC-to-DC 12/24DC output module switch power supply assembly 3 is respectively connected with a DC-to-DC 5VDC output module switch power supply assembly 6, a DC-to-DC 12VDC output module switch power supply assembly 7, a DC-to-DC 24VDC output module switch power supply assembly 8, a DC-to-DC 5VDC output module switch power supply assembly 6, a DC-to-DC 12VDC output module switch power supply assembly 7, a DC-to- The input end of the assembly 4 is electrically connected, the AC-to-DC 12/24DC output module switch power supply assembly 3 is connected in series with the DC-to-DC constant voltage constant current DC output battery charging output module switch power supply assembly 9, the DC-to-DC constant voltage constant current DC output battery charging output module switch power supply assembly 9 is electrically connected with the intelligent automatic charging and discharging management module assembly 10, the output end of the intelligent automatic charging and discharging management module assembly 10 is respectively electrically connected with the DC-to-DC 5VDC output module switch power supply assembly 6, the DC-to-DC 12VDC output module switch power supply assembly 7 and the DC-to-DC 24VDC output module switch power supply assembly 8, the output end of the intelligent automatic charging and discharging management module assembly 10 is connected with the 12/24V battery pack 11, the input end of the intelligent remote control panel module assembly 4 is connected with the remote industrial personal computer RS232 communication interface 12, the output end of the intelligent remote control panel module assembly 4 is connected with the 5V/12V/24, the output end of each direct-current voltage output interface of the 5V/12V/24VDC output connection control board assembly 5 is connected with a DC24V5566-2A area, a B area, a C area, a mixing area 13, a DC12V5566-3D area, an E area, a mixing area 14, a DC5V5566-4F area and a mixing area 15; the AC-to-DC 12/24DC output module switch power supply assembly 3 comprises a surge impact prevention and lightning strike protection circuit 16, the surge impact prevention and lightning strike protection circuit 16 is electrically connected with an AC power input terminal 2, the output end of the surge impact prevention and lightning strike protection circuit 16 is sequentially connected in series with a power input filter circuit 17, an AC-to-DC full bridge rectifier circuit 18, an active PFC-PWM switch control circuit 19, a high-voltage rectifier filter circuit 20, a main power high-frequency transformer and circuit 21 and a +12V full bridge rectifier circuit output 22 and a +12V direct current output terminal 23, the output end of the active PFC-PWM switch control circuit 19 is electrically connected with a Vcc rectifier control circuit 24, an auxiliary power high-frequency transformer circuit 25 and a 5 auxiliary power PWM control circuit 26 and the output end of the high-voltage rectifier filter circuit 20, the input end of the Vcc rectifier control circuit 24 is electrically connected with the main, the input end of the PWM main power control circuit 27 is connected with a main power PWM signal driving switch amplifying circuit 28 and is electrically connected with the output end of the main power high-frequency transformer and circuit 21, the output end of the high-voltage rectification filter circuit 20 is electrically connected with the input end of the PWM main power control circuit 27, and the input end of the PWM main power control circuit 27 is connected with the auxiliary power high-frequency transformer circuit 25; the output end of the PWM main power control circuit 27 is connected with the main power voltage stabilization feedback circuit 29 in series and is electrically connected with the input end of the +12V full-bridge rectifier circuit output 22, the output end of the PWM main power control circuit 27 is connected with the input end of the switching machine, undervoltage, overvoltage, overcurrent and short circuit detection protection circuit 30 in series and is electrically connected with the input end of the +12V full-bridge rectifier circuit output 22, the output end of the switching machine, the undervoltage, the overvoltage, the overcurrent and short circuit detection protection circuit 30 is sequentially connected with the +5Vsb rectifier control circuit 31 and the auxiliary power voltage stabilization feedback circuit 32 in series and is electrically connected with the input end of the 5VSB auxiliary power PWM control circuit 26, and the output end; the intelligent automatic charge-discharge management module assembly 10 comprises a +14.6VDC input terminal 34, wherein the output end of the +14.6VDC input terminal 34 is sequentially connected in series with a charge isolating switch control circuit 35, a battery charge-discharge anode-cathode circuit 36, a discharge isolating switch control circuit 37 and a +12/24DC output terminal 38, the output end of the +14.6VDC input terminal 34 is sequentially connected with an AC-DC voltage input detection circuit 39 and an MCU main chip circuit 40 in parallel connection with the output end of the charge isolating switch control circuit 35, the input end of the MCU main chip circuit 40 is connected with a 5V three-terminal voltage stabilizing circuit 41 in parallel connection with the output end of the +14.6VDC input terminal 34, the output end of the MCU main chip circuit 40 is connected with an electric quantity display circuit 42, and the output end of the MCU main chip circuit 40 is connected with an; the DC-to-DC 5VDC output module switch power supply assembly 6 comprises a +12V power supply input terminal 44, a +12V power supply input terminal 44 connected with a +12V direct current output terminal 23, an output end of the +12V power supply input terminal 44 is sequentially connected with a low-voltage rectification filter circuit 45, a main power supply high-frequency transformer and circuit 21 and a +5V full-bridge rectification circuit output 46 in series, an output end of the +5V full-bridge rectification circuit output 46 is connected with a +5V direct current output interface 47, an output end of the low-voltage rectification filter circuit 45 is connected with a PWM main power supply control circuit 27 and a main power supply PWM signal driving switch amplifying circuit 28 and is electrically connected with an output end of the main power supply high-frequency transformer and circuit 21, an output end of the PWM main power supply control circuit 27 is connected with a main power supply voltage stabilization feedback circuit 29 and an input end, The overvoltage, overcurrent and short circuit detection protection circuit 30 is electrically connected with the input end of the output 46 of the +5V full-bridge rectification circuit; the DC-to-DC 12VDC output module switch power supply assembly 7 comprises a +12V power supply input terminal 44, a +12V direct current output terminal 23 connected with the +12V power supply input terminal 44, a low-voltage rectification filter circuit 45, a main power supply high-frequency transformer and circuit 21 and a +12V full-bridge rectifier circuit output 22 connected with the output end of the +12V full-bridge rectifier circuit output 22 in series, a +12V direct current output interface 48 connected with the output end of the +12V full-bridge rectifier circuit output 22, a PWM main power supply control circuit 27 and a main power supply PWM signal driving switch amplifying circuit 28 connected with the output end of the main power supply high-frequency transformer and circuit 21, a PWM main power supply control circuit 27 with the output end connected with a main power supply voltage stabilization feedback circuit 29 and the input end of the +12V full-bridge rectifier circuit output 22, a switch machine, an undervoltage, The overvoltage, overcurrent and short circuit detection protection circuit 30 is electrically connected with the input end of the +12V full-bridge rectification circuit output 22; the DC-to-DC 24VDC output module switch power supply assembly 8 comprises a +12V power supply input terminal 44, a +12V power supply input terminal 44 connected with a +12V direct current output terminal 23, an output end of the +12V power supply input terminal 44 is sequentially connected with a low-voltage rectification filter circuit 45, a main power supply high-frequency transformer and circuit 21 and a +24V full-bridge rectification circuit output 49 in series, an output end of the +24 full-bridge rectification circuit output 49 is connected with a +24V direct current output interface 50, an output end of the low-voltage rectification filter circuit 45 is connected with a PWM main power supply control circuit 27 and a main power supply PWM signal driving switch amplifying circuit 28 and is electrically connected with an output end of the main power supply high-frequency transformer and circuit 21, an output end of the PWM main power supply control circuit 27 is connected with a main power supply voltage stabilization feedback circuit 29 and an input end, The overvoltage, overcurrent and short circuit detection protection circuit 30 is electrically connected with the input end of the output 49 of the +24V full-bridge rectification circuit; when the intelligent integrated uninterrupted multi-path direct current output switch power supply is in an alternating current input state, when alternating current input voltage is provided for a product, one path of the alternating current input voltage is converted into direct current, the direct current is processed by each path of switch power supply module buck-boost circuit and then converted into each path of direct current output, one path of the direct current output voltage is converted into specific direct current voltage by a DC-to-DC constant voltage and constant current output battery charging output module switch power supply assembly 9, the battery is subjected to constant current charging by an intelligent automatic charging and discharging management module assembly 10, the battery is charged in a constant current mode firstly, when the battery voltage is close to saturation, the battery is charged in a constant voltage mode until the current is gradually reduced to 0A, the battery reaches complete saturation, a battery pack intelligent protection circuit 43 automatically disconnects a charging circuit through an MCU main chip circuit 40, when the energy of the battery is not full (under-saturation state), after the program of the MCU, the charging circuit can be automatically opened to charge the battery, and the battery discharging circuit is disconnected at the same time to be used during power supply endurance; when no alternating current input is performed, when no alternating current voltage is input, the intelligent protection circuit 43 of the battery pack detects no alternating current input, the MCU main chip circuit 40 program automatically detects the input and then immediately starts to open the discharging isolating switch control circuit 37 to enter a battery working mode, and energy is converted into various direct current outputs meeting requirements; the electric quantity display circuit 42 is provided with a 5-level energy indicator lamp, the energy use condition can be checked at any time, when the 12/24V battery pack 11 reaches low electric quantity, the energy lamp can automatically enter a flashing state to prompt that the 12/24V battery pack 11 is about to be exhausted, the battery needs to be charged, when the 12/24V battery pack 11 is used up, the 12/24V battery pack 11 enters a dormant state, the MCU main chip circuit 40 controls the discharging isolating switch control circuit 37 to automatically disconnect and not discharge any more, at the moment, the product is in a standby state, and no direct-current voltage is output, so that the 12/24V battery pack 11 is prevented from being damaged by over-discharge; when AC input is added to the product, the 12/24V battery pack 11 can be awakened, meanwhile, the AC input state is entered, the 12/24V battery pack 11 is charged, the energy display lamp is in a horse running state, and the energy display lamp is recycled; the remote industrial personal computer RS232 communication interface 12 is connected with the intelligent remote control panel module assembly 4 through an RS232/485 interface, so that the power supply is remotely controlled to be turned on and off, and each path of direct-current voltage is independently controlled to be output and turned off; the AC input is converted into the DC output by the AC-to-DC 12/24DC output module switch power supply assembly 3, the AC input is converted into the DC output by the DC5VDC output module switch power supply assembly 6, the DC-to-DC 12VDC output module switch power supply assembly 7 and the DC-to-DC 24VDC output module switch power supply assembly 8, the DC output is converted into the 5V, 12V and 24V DC outputs respectively, the remote industrial personal computer RS232 communication interface 12 is connected with a control device to remotely control whether the DC voltage of the power supply is output or not, the real-time monitoring of the output state of the power supply by a program in a remote industrial control host or mobile phone remote APP control software can be realized, the timely output of the corresponding voltage of each area is controlled by a switch, and when the DC voltage is not output, the AC input is directly connected to a; when the direct-current voltage is normally output, the 12/24V battery pack 11 is supplied with power through the DC-to-DC constant-voltage constant-current DC output battery charging output module switch power supply assembly 9 and the intelligent automatic charging and discharging management module assembly 10, and a standby power supply is reserved; in the working process, the equipment can be powered by only converting alternating current into direct current and then converting the direct current into the direct current, the energy loss of the two times of conversion is up to 35 percent at most, the energy loss is reduced, the problems of large multi-level energy conversion loss and low efficiency before two power supplies (a UPS power supply and a switching power supply) are solved, the alternating current input voltage is converted into the direct current and then directly converted into the direct current voltage meeting the requirements of parts of a rear-level product for output, the unreliable factors of the alternating current output amplitude and the phase angle do not exist, and the stability and the reliability of the self product and the rear-level product can be better ensured; the whole energy loss is reduced, the operation and control are simple and convenient, the potential safety hazard is small, and the stability and the reliability are high.
In summary, the following steps: the intelligent integrated uninterruptible multi-path direct-current output switching power supply body converts AC input into direct-current output through an AC-to-DC 12/24DC output module switching power supply assembly 3, converts the AC input into the direct-current output through a DC5VDC output module switching power supply assembly 6, a DC-to-DC 12VDC output module switching power supply assembly 7 and a DC-to-DC 24VDC output module switching power supply assembly 8 into 5V, 12V and 24V direct-current output respectively, and is connected with a control device through a remote industrial personal computer RS232 communication interface 12 to remotely control whether the direct-current voltage of a power supply is output or not, so that the real-time monitoring of the output state of the power supply by a program in a remote industrial control host or mobile phone remote APP control software can be realized, the timely output of the corresponding voltage of each area is controlled through switching, and when the direct-current voltage is not output, the; when the direct-current voltage is normally output, the 12/24V battery pack 11 is supplied with power through the DC-to-DC constant-voltage constant-current DC output battery charging output module switch power supply assembly 9 and the intelligent automatic charging and discharging management module assembly 10, and a standby power supply is reserved; in the working process, the equipment can be powered by only converting alternating current into direct current and then converting the direct current into the direct current, the energy loss of the two times of conversion is up to 35 percent at most, the energy loss is reduced, the problems of large multi-level energy conversion loss and low efficiency before two power supplies (a UPS power supply and a switching power supply) are solved, the alternating current input voltage is converted into the direct current and then directly converted into the direct current voltage meeting the requirements of parts of a rear-level product for output, the unreliable factors of the alternating current output amplitude and the phase angle do not exist, and the stability and the reliability of the self product and the rear-level product can be better ensured; the whole energy loss is reduced, the operation and control are simple and convenient, the potential safety hazard is small, and the stability and the reliability are high.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an incessant multichannel direct current output switching power supply of intelligence integration, includes multichannel direct current output switching power supply main circuit module (1), its characterized in that: the multi-path direct current output switch power supply main circuit module (1) comprises an AC power supply input terminal (2), an AC-to-DC 12/24DC output module switch power supply assembly (3), an intelligent remote control board module assembly (4), and a control board assembly (5) connected with each direct current voltage output interface of 5V/12V/24VDC output, wherein the AC-to-DC 12/24DC output module switch power supply assembly (3) is connected with the AC power supply input terminal (2), the output end of the AC-to-DC 12/24DC output module switch power supply assembly (3) is respectively connected with a DC-to-DC 5VDC output module switch power supply assembly (6), a DC-to-DC 12VDC output module switch power supply assembly (7), a DC-to-DC 24VDC output module switch power supply assembly (8), a DC-to-DC 5VDC output module switch power supply assembly (6), a DC-to-DC 12VDC output module switch power supply assembly (7), a DC-to-DC 24VDC output module switch power supply assembly (8) and the intelligent remote input control board module assembly (4) The connection is realized, an AC-to-DC 12/24DC output module switching power supply assembly (3) is connected in series with a DC-to-DC constant voltage and constant current DC output battery charging output module switching power supply assembly (9), the DC-to-DC constant voltage and constant current DC output battery charging output module switching power supply assembly (9) is electrically connected with an intelligent automatic charging and discharging management module assembly (10), the output end of the intelligent automatic charging and discharging management module assembly (10) is respectively electrically connected with a DC-to-DC 5VDC output module switching power supply assembly (6), a DC-to-DC 12VDC output module switching power supply assembly (7) and a DC-to-DC 24VDC output module switching power supply assembly (8), the output end of the intelligent automatic charging and discharging management module assembly (10) is connected with a 12/24V battery pack (11), the input end of the intelligent remote industrial personal computer module assembly (4) is connected with a remote industrial personal computer RS232 communication interface (12), the output end of the intelligent remote control panel module assembly (4) is connected with 5V/12V And each direct-current voltage output interface of the 5V/12V/24VDC output of the plate manufacturing assembly (5) is connected with the output end of the control plate assembly (5) and is connected with a DC24V5566-2A area, a B area, a C area, a mixing area (13), a DC12V5566-3D area, an E area, a mixing area (14), a DC5V5566-4F area and a mixing area (15).
2. The intelligent integrated uninterruptible multi-path direct-current output switching power supply as claimed in claim 1, wherein: the AC-to-DC 12/24DC output module switch power supply assembly (3) comprises a surge impact prevention and lightning stroke protection circuit (16), the surge impact prevention and lightning stroke protection circuit (16) is electrically connected with an AC power supply input terminal (2), the output end of the surge impact prevention and lightning stroke protection circuit (16) is sequentially connected with a power supply input filter circuit (17), an AC-to-DC full-bridge rectifier circuit (18), an active PFC-PWM switch control circuit (19), a high-voltage rectifier filter circuit (20), a main power high-frequency transformer and circuit (21) and a +12V full-bridge rectifier circuit output (22) in series to be electrically connected with a +12V direct-current output terminal (23), the output end of the active PFC-PWM switch control circuit (19) is electrically connected with a Vcc rectifier control circuit (24), an auxiliary power high-frequency transformer circuit (25) and a 5VSB auxiliary power supply PWM control circuit (26), the input end of the Vcc rectification control circuit (24) is connected with a PWM main power supply control circuit (27) in parallel, the input end of the PWM main power supply control circuit (27) is connected with a main control power supply PWM signal driving switch amplifying circuit (28) and is electrically connected with the output end of a main power supply high-frequency transformer and the output end of a circuit (21), the output end of a high-voltage rectification filter circuit (20) is electrically connected with the input end of the PWM main power supply control circuit (27), and the input end of the PWM main power supply control circuit (27) is connected with a secondary power supply high; the output end of the PWM main power control circuit (27) is connected with a main power voltage stabilizing feedback circuit (29) in series and is electrically connected with the input end of the +12V full-bridge rectifier circuit output (22), the output end of the PWM main power control circuit (27) is connected with a switching on/off, under-voltage, over-current and short-circuit detection protection circuit (30) in series and is electrically connected with the input end of the +12V full-bridge rectifier circuit output (22), the output end of the switching on/off, under-voltage, over-current and short-circuit detection protection circuit (30) is sequentially connected with a +5Vsb rectification control circuit (31) and an auxiliary power voltage stabilizing feedback circuit (32) in series and is electrically connected with the input end of a 5VSB auxiliary power supply PWM control circuit (26), and the output end.
3. The intelligent integrated uninterruptible multi-path direct-current output switching power supply as claimed in claim 1, wherein: the intelligent automatic charge-discharge management module assembly (10) comprises a +14.6VDC input terminal (34), the output end of the +14.6VDC input terminal (34) is sequentially connected in series with a charging isolating switch control circuit (35) and a battery charge-discharge positive and negative pole circuit (36), the discharging isolating switch control circuit (37) is electrically connected with a +12/24DC output terminal (38), the output end of a +14.6VDC input terminal (34) is sequentially connected with an alternating current and direct current voltage input detection circuit (39) and an MCU main chip circuit (40) in parallel connection with the output end of a charging isolating switch control circuit (35), the input end of the MCU main chip circuit (40) is connected with a 5V three-terminal voltage stabilizing circuit (41) in parallel connection with the output end of the +14.6VDC input terminal (34), the output end of the MCU main chip circuit (40) is connected with an electric quantity display circuit (42), and the output end of the MCU main chip circuit (40) is connected with a battery pack intelligent protection circuit (43) and the input end of a 12/24V battery pack (11) in electrical connection.
4. The intelligent integrated uninterruptible multi-path direct-current output switching power supply as claimed in claim 1, wherein: the DC-to-DC 5VDC output module switch power supply assembly (6) comprises a +12V power supply input terminal (44), the +12V power supply input terminal (44) is connected with a +12V direct current output terminal (23), the output end of the +12V power supply input terminal (44) is sequentially connected with a low-voltage rectification filter circuit (45), a main power supply high-frequency transformer and circuit (21) and a +5V full-bridge rectification circuit output (46) in series, the output end of the +5V full-bridge rectification circuit output (46) is connected with a +5V direct current output interface (47), the output end of the low-voltage rectification filter circuit (45) is connected with a PWM main power supply control circuit (27) and a main power supply PWM signal driving switch amplifying circuit (28) and is electrically connected with the output end of the main power supply high-frequency transformer and circuit (21), the output end of the PWM main power supply control circuit (27) is connected with a main power supply voltage stabilizing feedback circuit (29), the output end of the PWM main power control circuit (27) is electrically connected with the input end of the output (46) of the +5V full-bridge rectifying circuit, and the output end of the PWM main power control circuit is connected with the on-off, under-voltage, over-current and short-circuit detection protection circuit (30).
5. The intelligent integrated uninterruptible multi-path direct-current output switching power supply as claimed in claim 1, wherein: the DC-to-DC 12VDC output module switch power supply assembly (7) comprises a +12V power supply input terminal (44), the +12V power supply input terminal (44) is connected with a +12V direct current output terminal (23), the output end of the +12V power supply input terminal (44) is sequentially connected with a low-voltage rectification filter circuit (45), a main power supply high-frequency transformer and circuit (21) and a +12V full-bridge rectification circuit output (22) in series, the output end of the +12V full-bridge rectification circuit output (22) is connected with a +12V direct current output interface (48), the output end of the low-voltage rectification filter circuit (45) is connected with a PWM main power supply control circuit (27) and a main power supply PWM signal driving switch amplifying circuit (28) and is electrically connected with the output end of the main power supply high-frequency transformer and circuit (21), the output end of the PWM main power supply control circuit (27) is connected with a main power supply voltage stabilizing feedback circuit (29), the output end of the PWM main power control circuit (27) is electrically connected with the input end of the output (22) of the +12V full-bridge rectifying circuit, and the output end of the PWM main power control circuit is connected with the on-off, under-voltage, over-current and short-circuit detection protection circuit (30).
6. The intelligent integrated uninterruptible multi-path direct-current output switching power supply as claimed in claim 1, wherein: the switching power supply assembly (8) of the DC-to-DC 24VDC output module comprises a +12V power supply input terminal (44), the +12V power supply input terminal (44) is connected with a +12V direct current output terminal (23), the output end of the +12V power supply input terminal (44) is sequentially connected with a low-voltage rectifying and filtering circuit (45), a main power supply high-frequency transformer and circuit (21) and a +24V full-bridge rectifying circuit output (49) in series, the output end of the +24 full-bridge rectifying circuit output (49) is connected with a +24V direct current output interface (50), the output end of the low-voltage rectifying and filtering circuit (45) is connected with a PWM main power supply control circuit (27) and a main power supply PWM signal driving switch amplifying circuit (28) and is electrically connected with the output end of the main power supply high-frequency transformer and circuit (21), the output end of the PWM control circuit (27) is connected with a main power supply voltage stabilizing feedback circuit (29, the output end of the PWM main power control circuit (27) is electrically connected with the input end of the output (49) of the +24V full-bridge rectifying circuit, and the output end of the PWM main power control circuit is connected with the on-off, under-voltage, over-current and short-circuit detection protecting circuit (30).
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109035590A (en) * | 2018-06-21 | 2018-12-18 | 广东工业大学 | A kind of intelligent electric meter and electricity charge charging system |
| CN109525034B (en) * | 2019-01-03 | 2022-02-11 | 中国铁塔股份有限公司四川省分公司 | Computer lab stand-by battery electrical power generating system with multiplexed output |
| CN109742928A (en) * | 2019-01-24 | 2019-05-10 | 海天塑机集团有限公司 | A kind of dedicated power supply apparatus of controller of plastic injection molding |
| CN117977978B (en) * | 2024-01-30 | 2024-07-26 | 上海精洪智能科技有限公司 | Commercial cooling unit power management module |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5994795A (en) * | 1997-04-21 | 1999-11-30 | Alcatel | Method and a system for electrically powering electronic equipment |
| CN102005799A (en) * | 2010-12-13 | 2011-04-06 | 东莞市钜大电子有限公司 | Portable multifunctional power supply |
| CN201830004U (en) * | 2010-09-27 | 2011-05-11 | 深圳市斯恩泰电源有限公司 | Modularized uninterruptible power supply (UPS) |
| CN102545327A (en) * | 2011-12-30 | 2012-07-04 | 北京师范大学 | Intelligent embedded wind-solar hybrid power management system and control process thereof |
| CN202888946U (en) * | 2012-09-07 | 2013-04-17 | 成都富强电子电器科技有限公司 | Large-range switching adapter of emergency power supply specially for intelligent energy-efficient fire-fighting panic lamp |
| CN203056633U (en) * | 2013-01-07 | 2013-07-10 | 雷星亮 | Emergency power supply |
| CN203339786U (en) * | 2013-05-15 | 2013-12-11 | 北京中交通信科技有限公司 | Portable emergency power box |
| TW201546605A (en) * | 2014-06-02 | 2015-12-16 | Win-Sheng Cheng | Integrated ups power supply system |
| CN205565878U (en) * | 2016-05-05 | 2016-09-07 | 国网新彊电力公司博尔塔拉供电公司 | Emergency power source control box |
| CN107086640A (en) * | 2017-06-15 | 2017-08-22 | 杭州凯达电力建设有限公司 | A kind of mobile voltage-stabilized power supply |
-
2017
- 2017-12-13 CN CN201711326884.XA patent/CN107863818B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5994795A (en) * | 1997-04-21 | 1999-11-30 | Alcatel | Method and a system for electrically powering electronic equipment |
| CN201830004U (en) * | 2010-09-27 | 2011-05-11 | 深圳市斯恩泰电源有限公司 | Modularized uninterruptible power supply (UPS) |
| CN102005799A (en) * | 2010-12-13 | 2011-04-06 | 东莞市钜大电子有限公司 | Portable multifunctional power supply |
| CN102545327A (en) * | 2011-12-30 | 2012-07-04 | 北京师范大学 | Intelligent embedded wind-solar hybrid power management system and control process thereof |
| CN202888946U (en) * | 2012-09-07 | 2013-04-17 | 成都富强电子电器科技有限公司 | Large-range switching adapter of emergency power supply specially for intelligent energy-efficient fire-fighting panic lamp |
| CN203056633U (en) * | 2013-01-07 | 2013-07-10 | 雷星亮 | Emergency power supply |
| CN203339786U (en) * | 2013-05-15 | 2013-12-11 | 北京中交通信科技有限公司 | Portable emergency power box |
| TW201546605A (en) * | 2014-06-02 | 2015-12-16 | Win-Sheng Cheng | Integrated ups power supply system |
| CN205565878U (en) * | 2016-05-05 | 2016-09-07 | 国网新彊电力公司博尔塔拉供电公司 | Emergency power source control box |
| CN107086640A (en) * | 2017-06-15 | 2017-08-22 | 杭州凯达电力建设有限公司 | A kind of mobile voltage-stabilized power supply |
Non-Patent Citations (3)
| Title |
|---|
| DC-DC and AC-DC voltage doubler boost converter for UPS applications;Alexandre S. Martins等;《XI Brazilian Power Electronics Conference》;20111121;全文 * |
| 宽电压输入多路输出开关电源的设计;苏晶晶等;《电气技术》;20150731;全文 * |
| 宽电压输入多路输出逆变控制开关电源设计;邵建设等;《电源技术》;20131231;第37卷(第12期);全文 * |
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