CN106849342A - Programmable double-input uninterrupted switch power supply - Google Patents
Programmable double-input uninterrupted switch power supply Download PDFInfo
- Publication number
- CN106849342A CN106849342A CN201710278791.8A CN201710278791A CN106849342A CN 106849342 A CN106849342 A CN 106849342A CN 201710278791 A CN201710278791 A CN 201710278791A CN 106849342 A CN106849342 A CN 106849342A
- Authority
- CN
- China
- Prior art keywords
- circuit
- input
- output
- main control
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005611 electricity Effects 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000013519 translation Methods 0.000 claims description 13
- 230000001629 suppression Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000023402 cell communication Effects 0.000 claims description 2
- 238000012937 correction Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 abstract description 6
- 230000006641 stabilisation Effects 0.000 abstract description 5
- 238000011105 stabilization Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 229920006926 PFC Polymers 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 101000645421 Homo sapiens Transmembrane protein 165 Proteins 0.000 description 1
- 102100025755 Transmembrane protein 165 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of programmable double-input uninterrupted switch power supply, a kind of programmable double-input uninterrupted switch power supply that the present invention is provided, a standby electricity circuit in parallel on existing electric power management circuit, real-time detection is carried out to switching power circuit, simultaneously a main control module is provided between detection circuit and output interface, switching circuit of the main control module also with standby electricity circuit is connected, the through and off of active and standby circuit are controlled by main control module, and when battery operated, output voltage keeps stabilization, switching circuit is controlled by the main control module of external, programmable, online Switching power working condition, switched by semiconductor devices, non-relay or other mechanical contacts.Communication interface is two-way communication, and when power supply works independently, its working condition is by the externally fed Determines that are detected；When communication interface connects upper control machine, the working condition of power supply can be set by host computer.
Description
Technical field
It is electric the present invention relates to switch power technology field, more particularly to a kind of uninterrupted switch of programmable dual input
Source.
Background technology
At present, Switching Power Supply is widely used in daily life, predominantly equipment supply of electrical energy, and existing Switching Power Supply
Mostly by mains-supplied work, when city is electrically disconnected, Switching Power Supply is powered off immediately, and equipment is stopped, if having not enough time to preserve
Data, it is easy to cause the loss of data, certain puzzlement is brought to Working Life.
In order to avoid the generation of above mentioned problem, in the prior art, a kind of uninterrupted power source is occurred in that, but, for needing
The equipment of uninterrupted power supply, substantially all using tradition UPS (（Uninterruptible Power System/
Uninterruptible Power Supply）) carry out the power supply guarantee of equipment.Civil power is linked into the input of UPS, through UPS
Exported after voltage stabilizing, the ac input end for being connected to equipment is powered.When civil power is normal, maintain to set by this series network
Standby work；In the case where civil power is powered off, by UPS by the standby energy（Generally battery）Inversion is exchange electricity output to setting
Standby ac input end, with ensure equipment in the case of no alternating current also can normal work, this is one.
Second, the conventional system for realizing uninterrupted power supply, such as will change its working condition, it is necessary to use in use
Person will coordinate power supply at the beginning of system design, carry out secondary development design, and increasing related additional device by outside realizes, relates to
And to all too many levels such as city's electro-detection, safety, output voltage current detecting, communications, and due to finished product Switching Power Supply hardware circuit
Poor expandability, it is extremely difficult to coordinate the outside line to carry out corresponding secondary development, causes second-time development workload big, and connection line is multiple
Miscellaneous, reliability is low, low production efficiency.
The content of the invention
For weak point present in above-mentioned technology, the present invention provides a kind of programmable double-input uninterrupted stabilized switch
Power supply, traditional UPS is not used, directly a stand-by power supply in parallel on original switch control power supply, and by connection one
Individual control circuit, the break-make of standby electricity circuit realizes management by self-control during to discharge and recharge and power-off.
In order to realize above-mentioned functions, the present invention discloses a kind of programmable double-input uninterrupted switch power supply, including power supply pipe
Reason circuit, standby electricity circuit and expanded circuit, the electric power management circuit are directly connected with output interface, and the standby electricity circuit is simultaneously
It is connected with electric power management circuit and output interface, expanded circuit one end electrically connects with standby electricity circuit, and the other end is electric with output interface
Connection, the expanded circuit includes input amplifying circuit of analog signal, output amplifying circuit of analog signal, main control module, logic
Level shifting circuit and communication interface, the input connection input amplifying circuit of analog signal of the standby electricity circuit, analog signal
Amplifying circuit is electrically connected with main control module, and output amplifying circuit of analog signal is also electrically connected with main control module, exports analog signal
Amplifying circuit is connected with output interface, while the battery also with standby electricity circuit is connected, communication interface and logic level converting circuit
Electrically connected with main control module, main control module is also electrically connected with the switching circuit on standby electricity circuit, master is connected in standby electricity circuit work
Control module, the working condition of master control module controls switching circuit.
Wherein, the electric power management circuit include lightning protection circuit, EMI suppression circuits, input rectification circuit, power because
Number correction and translation circuit and output circuit of synchronous rectification, after the civil power is directly connected to lightning protection circuit, press down by EMI
Circuit processed, then by being connected with PFC and translation circuit after input rectification circuit, it is synchronous whole by output again afterwards
Current circuit is connected with output interface.
Wherein, the standby electricity circuit include switching circuit that the detection circuit of detection civil power, control civil power switch with battery,
The charge management circuit of Charge Management, battery and the change-over circuit directly exported by battery are carried out to battery, circuit is detected
Directly electrically connected with input rectification circuit, to isolate and detect the change of civil power, and detection circuit amplifies with input analog signal
Circuit is electrically connected, switching circuit connection detection circuit and change-over circuit, the output end connection battery of charge management circuit, battery with
Change-over circuit is connected, and change-over circuit is directly connected to output interface, the input connection translation circuit output of charge management circuit, power
The output of factor correcting circuit and translation circuit are electrically connected.
Wherein, the detection circuit is made up of the transformer and its peripheral circuit of isolation small-signal, the first level segment of transformer
Electrically connected with the input rectification circuit of electric power management circuit, secondary end connection switching circuit and input analog signal amplify electricity
Road.
Wherein, the charge management circuit includes two metal-oxide-semiconductors and Charge Management IC, and it is standby to be provided with control cell communication
The controlling switch of circuit, controlling switch is opened, and battery is turned in standby electricity circuit, carries out the charge and discharge of battery, described
Surge protection circuit is additionally provided between battery and controlling switch, the charge management circuit is also electrically connected with main control module.
Wherein, the input amplifying circuit of analog signal employs two-stage amplifying circuit, and the output module signal amplifies
Circuit also uses two-stage amplifying circuit, is input into the voltage signal of amplifying circuit of analog signal acquisition testing input, and send
Logic judgment and treatment, the electric current of the output amplifying circuit of analog signal acquisition testing output interface are carried out into main control module
Logic judgment and treatment are carried out in signal, and transmission to main control module.
Wherein, the communication interface uses RS232 signal conversion interfaces.
Wherein, the logic level conversion circuit is combined by multiple triodes and peripheral circuit, and triode and its
Peripheral circuit is electrically connected with main control module.
Wherein, the main control module uses the chip of ATMEGA16 models.
The beneficial effects of the invention are as follows：Compared with prior art, one kind that the present invention is provided may be programmed double-input uninterrupted
Switching Power Supply, a standby electricity circuit in parallel and detection control module is increased on existing electric power management circuit, split powered-down
Source circuit carries out real-time measure and control, and can carry out custom programming to power work state by host computer by user.And
When battery operated, output voltage keeps stabilization.Switched by semiconductor devices, non-relay or other mechanical contact.It is defeated
Enter to export amplifying circuit of analog signal be acquired the analog/digital signal of required collection, amplify etc. after relevant treatment, send
Entering main control module carries out signal transacting, and is externally exported by communication interface.Communication interface is two-way communication, only in power supply
During vertical work, its working condition is by the externally fed Determines that are detected；When communication interface connects upper control machine, can
The working condition of power supply is set by host computer, for example, transfer point, charging voltage electrical measurement point that line voltage falls is set, set
Put timing discharge and recharge etc..Circuit structure of the invention can directly needed for output equipment DC voltage, be provided simultaneously with charging valve
Reason function, replacement is connected on the UPS in civil power, the Switching Power Supply inside alternate device, so, only in equipment current supply circuit
Level energy conversion, improves bulk supply efficiency and reliability, reduces volume, weight, and adapt to the input in different application field
Voltage, can all the time maintain the stabilization of output voltage when standby piezoelectric voltage rises or declines.
Brief description of the drawings
Fig. 1 is the integrated circuit structured flowchart of the embodiment of the present invention；
Fig. 2 is the specific structure of block diagram schematic diagram of the embodiment of the present invention；
Fig. 3 is the electric power management circuit schematic diagram of the embodiment of the present invention；
Fig. 4 is charge management circuit, change-over circuit and the switching circuit schematic diagram of the embodiment of the present invention；
Fig. 5 is the control core and peripheral circuit on the charge management circuit of the embodiment of the present invention；
Fig. 6 is that the embodiment of the present invention is input into amplifying circuit of analog signal schematic diagram；
Fig. 7 is main control module circuit theory diagrams of the present invention；
Fig. 8 is that the embodiment of the present invention exports amplifying circuit of analog signal schematic diagram；
Fig. 9 is embodiment of the present invention communication interface circuit schematic diagram；
Figure 10 is embodiment of the present invention logic level conversion circuit schematic diagram.
Main element symbol description is as follows：
1st, electric power management circuit 2, standby electricity circuit
3rd, expanded circuit 4, output interface
11st, lightning protection circuit
12nd, EMI suppression circuits 13, input rectification circuit
14 PFCs and translation circuit 15, output circuit of synchronous rectification
21st, circuit 22, switching circuit is detected
23rd, battery 24, change-over circuit
25th, charge management circuit 31, main control module
32nd, input amplifying circuit of analog signal 33, output amplifying circuit of analog signal
34th, communication interface 35, logic level conversion circuit.
Specific embodiment
In order to more clearly state the present invention, the present invention is further described below in conjunction with the accompanying drawings.
Fig. 1-Fig. 2 is referred to, the present invention discloses a kind of programmable double-input uninterrupted switch power supply, including power management electricity
Road 1, standby electricity circuit 2 and expanded circuit 3, electric power management circuit 1 are directly connected with output interface 4, and standby electricity circuit 2 is while and power supply
Management circuit 1 and output interface 4 are connected, and the one end of expanded circuit 3 electrically connects with standby electricity circuit 2, and the other end is electrically connected with output interface 4
Connect, expanded circuit 3 includes input amplifying circuit of analog signal 32, output module signal amplification circuit 33, main control module 31, logic
Level shifting circuit 35 and communication interface 34, input amplifying circuit of analog signal 32 are electrically connected with main control module 31, output simulation
Signal amplification circuit 33 is electrically connected with main control module, communication interface 34 and logic level conversion circuit 35 respectively with main control module
31 electrical connections, standby electricity circuit 2 includes the detection circuit 21 of detection civil power, control civil power and the switching circuit 22 that battery switches, right
Battery carries out charge management circuit 25, battery 23 and the change-over circuit 24 by the direct output of battery 23 of Charge Management, cuts
Change circuit 22 to be electrically connected with main control module 31, the output amplifying circuit of analog signal 33 of battery more than 23 is electrically connected, in the present embodiment,
Electric power management circuit 1 includes lightning protection circuit 11, EMI suppression circuits 12, input rectification circuit 13, PFC and change
Circuit 14 and the output circuit of synchronous rectification 15 are changed, after civil power is directly connected to lightning protection circuit 11, by EMI suppression circuits
12, then by being connected with PFC and translation circuit 14 after input rectification circuit 13, it is synchronous whole by output again afterwards
Current circuit 15 is connected with output interface 4.In the present embodiment, detection circuit 21 is directly electrically connected with input rectification circuit 13, with
Isolation and the change of detection civil power, and detect that circuit 21 is electrically connected with input amplifying circuit of analog signal 32, switching circuit 22 connects
Detection circuit 21 and change-over circuit 24 are connect, battery 23 with change-over circuit 24 after the Charge Management of charge management circuit 25 by connecting
Connect, change-over circuit 24 is directly connected to output interface 4, charge management circuit 25 is electrically connected with PFC and translation circuit 14
Connect.
Fig. 3 is referred to, in the present invention, after civil power have passed through lightning protection circuit 11, then by the anti-of EMI suppression circuits 12
Interference treatment carries out the output of voltage, prevents interfering by power line and power network, and influence it in incoming other equipment
The normal operation of his equipment, in the present embodiment, the EMI suppression circuits 12 of use are by common mode filtering circuit and differential mode filter circuit
Composition, on the one hand filters mains by harmonics and surge, it is not influenceed the normal work of high frequency switch power, on the other hand due to electricity
When source works, the power switch pipe of power supply, transformer are in the on off state of high frequency, and voltage, the rapid jumping of electric current can be produced
Interfering noise, and EMI suppression circuits be mainly prevention these interference noises seal in electric network influencing others electronic equipments, specifically
, EMI suppression circuits 12 include being connected across between power line and play electric capacity CX1, the electric capacity CX2 of differential mode inhibitory action and be connected on electricity
Play electric capacity CY1, the electric capacity CY2 of common mode inhibition between source line and ground, and centre concatenates transformer LF2 and transformer LF1,
Meanwhile, resistance R1, resistance R110 and resistance R127, resistance R126 are also parallel with transformer LF2 two ends, this structure is carried significantly
Power network high by the security between power line connection equipment, while in the present embodiment, place power network by thunder or other
The lightning protection circuit 11 of high intensity electrostatic breakdown includes piezo-resistance ZNR1, the piezo-resistance in parallel with EMI suppression circuits 12
ZNR2 and piezo-resistance ZNR3 and ceramic gas discharge tube GDT1.After lightning protection and EMI suppression is completed, by by electricity
The input rectification circuit 13 of bridge BR1, inductance L3 and electric capacity C3 and C4 composition, will exchange the direct current for being transformed into pulsation output.
In the present embodiment, in the output end of input rectification circuit 13, detection circuit 21 is connected with, in the present embodiment,
Detection circuit 21 including resistance R10, resistance R14, resistance R15, resistance R16, resistance R18 and transformer T4 electrically insulated with
And detection, by transformer T4, an AC signal AC SENSEI being exported, the AC signal amplifies electricity with input analog signal
Road 32 is connected, and U6 is amplified into through two-stage.In the present embodiment, AC restoration signal AC RESET come from main control module 31
On main control chip U6 PB1 pins, by after triode Q2, being connected with switching circuit 22, switching circuit 22 include and three poles
The voltage-regulator diode ZD3, resistance R59, resistance R63, triode Q18, voltage-regulator diode ZD4, resistance of the emitter stage connection of pipe Q2
, with change-over circuit 24 be connected output voltage by controlling the break-make of triode Q17 by R93 and triode Q17.
Fig. 4 is referred to, in the present embodiment, change-over circuit 24 employs the Switching Power Supply managing chip of model UC2843
U3 and its peripheral circuit, while the VCC pin on the Switching Power Supply managing chip U3 of change-over circuit 2 passes through triode Q2 and battery
23 connections, by metal-oxide-semiconductor Q19, triode Q8, resistance R154 and voltage-regulator diode ZD5, control chip U13 and peripheral circuit group
Into discharge and recharge of the charge management circuit 25 to battery 23 be controlled, refer to Fig. 5, control chip U13 uses LM338T, and
The CHR IN signals that its input input signal is exported by main circuit, its 8th pin with main power transformer T1 is by two
Connected after pole pipe D19, obtain the signal, and the output end of control chip U13, by after parallel resistance R23 and R68, then passed through
One diode D21 is connected with the source terminal on the metal-oxide-semiconductor Q19 in conversion circuit 24, is ultimately connected to battery, wherein, charge
Emitter stage the connecting triode Q37, triode Q37 of the triode Q8 on management circuit 25 are also electrically connected with main control module 31.
In the present embodiment, battery 23 is by the surge that switchs CON2 and fuse F3, be made up of voltage-regulator diode ZD8
Be connected with the metal-oxide-semiconductor Q19 on charge management circuit 25 after protection circuit, CON2 is master switch, control battery 23 whether with charging
Management circuit 25 and change-over circuit 24 are connected.
In the present embodiment, input amplifying circuit of analog signal 32 refers to Fig. 6, by amplifier U17A, U17B and its outward
Circuit composition is enclosed, the AC SENSEI signals exported with detection circuit 21 are connected, and cooperation detection circuit collectively forms city's electro-detection
And signal amplification circuit, processed on amplification signal is sent on main control module 31 main control chip U6 afterwards and logic is sentenced
It is disconnected；Fig. 7 is referred to, in the present embodiment, main control chip uses the chip of ATMEGA16 models, and ATmega16 is based on enhanced
8 CMOS microcontrollers of low-power consumption of AVR risc architectures, are mainly used in mixed signal treatment, by the control of the control chip
System, controlled output voltage falls transfer point, the test point of charging voltage or is timed discharge and recharge to battery 23.
In the present embodiment, the AVREF pins of main control chip U6 are also connected with the partial pressure of an output voltage and cell voltage
Sample circuit, for being managed control to battery 23 and output voltage, in the present embodiment, refers to Fig. 8, main control chip U6
On OUT1 interfaces with output amplifying circuit of analog signal 33 be connected, output amplifying circuit of analog signal 33 be also to be put by two
Big device U18A and U18B and its peripheral circuit are obtained, and output amplifying circuit of analog signal 33 is connected with output interface 4, and acquisition is from defeated
The DC voltage and current signal of the 27.5V of the output of outgoing interface 4, in main control chip U6 is input to after amplification, is carried out further
Signal transacting and separation, by the analyzing and processing of main control chip U6, whether control switching circuit 22 selects civil power to battery
Switching action and output overvoltage/undervoltage, overcurrent protection action.
In the present embodiment, refer to Fig. 9, the main control chip U6 on main control module 31 also respectively with communication interface 34 and patrol
Collect level translation circuit 35 to connect, in the present embodiment, communication interface uses RS232 signal conversion interfaces, over that interface
RIOUT pins on control chip U10 are connected with the RXD pins of main control chip U6, the TIIN pins and TXD of control chip U10
Pin is connected, and the communication interface can be attached with host computer, host computer is realized both-way communication with main control chip U6, both may be used
Output status signal, can be also programmed by outside input to power detecting point；So as to be carried out to whole switching power circuit
PLC technology.
Figure 10 is referred to, logic level conversion circuit 35 is combined by multiple triodes and peripheral circuit, in this implementation
In example, employ 6 triodes, respectively triode Q20, triode Q30, triode Q31, triode Q9, triode Q29 and
Triode Q23, each triode is connected with respective peripheral circuit, and is connected on the corresponding pin of main control chip U6,
Signal after main control chip U6 treatment judges is converted into the output of TTL logic levels.
In the present embodiment, further referring to Fig. 3, PFC and translation circuit 14 employ Japanese new electricity unit
MCZ5205 models chip as power management chip U1, also including metal-oxide-semiconductor Q1, main power transformer T2, metal-oxide-semiconductor Q12,
Metal-oxide-semiconductor Q15, electric capacity C37, main power transformer T1, metal-oxide-semiconductor Q6 and metal-oxide-semiconductor Q7, in the present embodiment, power management chip U1
And its peripheral circuit respectively with include metal-oxide-semiconductor Q1 and main power transformer T2, then by metal-oxide-semiconductor Q12, metal-oxide-semiconductor Q15 and electric capacity C37
It is connected with main power transformer T1, main power transformer T1 is connected by after metal-oxide-semiconductor Q6, metal-oxide-semiconductor Q7 with circuit of synchronous rectification 15,
In the present embodiment, U8 and U9 uses TEA1791 chips, meanwhile, by metal-oxide-semiconductor Q6, metal-oxide-semiconductor Q7 and electrochemical capacitor EC4, electricity
With output interface 4 after solution electric capacity EC5 and the 3rd magnetic coil LF3 and two groups of voltage-regulator diode ZD9 and ZD35 for reversely connecting
Connection, and export the operating voltage of 27.5V.
The present invention on the basis of existing electric power management circuit 1, a standby electricity circuit 2 in parallel, to switch power supply
Road carries out real-time detection, also connects on the reserve battery 23 and switching circuit 22 and detection circuit 21 of standby electricity circuit 2 in parallel
An expanded circuit 3 is connected to, by being input into amplifying circuit of analog signal 32, output amplifying circuit of analog signal 33 acquisition testing electricity
The voltage signal on voltage signal and output interface 4 on road 21, so that the voltage signal values of real-time detection input and output, and
Magnitude of voltage is controlled by the main control chip U6 on main control module 31, analyzes judgement, make power work in correct state.
And control program that the action of main control chip U6 can be also input into by the communication interface 34 by being attached thereto from host computer is controlled
System, by input control program, can set the working condition of Switching Power Supply, for example set transfer point that line voltage falls,
Charging voltage electrical measurement point, timing discharge and recharge, output overvoltage/undervoltage, over-current protection point etc. are set, from realizing user to the flexible of power supply
Control, the structure of this uninterrupted switch power supply, exchange or it is battery operated when can directly needed for output equipment DC voltage,
Exchange or battery can independent startup work, and when battery operated, the stabilization of output voltage, switching circuit 22 can be kept
By the single-chip microcomputer of external, programmable, i.e. main control chip U6 controls so, can be passed through with online Switching power working condition
Semiconductor devices switching, non-relay or other mechanical contacts, and control is more convenient, and can arbitrarily adjust according to demand
Whole control process, it is only necessary to change the control program on main control chip U6, without circuit is entered again units increase or
Others change, and shorten the User Exploitation cycle, reduce development cost.
Advantage of the invention is that：
1）Simple structure, easily realizes, on the basis of existing Switching Power Supply, a standby electricity circuit in parallel is split powered-down
Source circuit carries out real-time detection, and when civil power normal power supply, Switching Power Supply is normally exported, while being powered to battery, works as city
Electricity power-off when, by switching circuit, change-over circuit is opened, battery is discharged by change-over circuit so that continue from
Output port output voltage, reaches the purpose of uninterrupted power supply；
2）A switch for control Cell On-Off is provided with, by the controlling switch and corresponding on-off circuit, battery is carried out
Connecting and disconnecting, so as to realize the real-time detection of the state such as battery open circuit, short circuit, under-voltage, and can set electricity by main control chip
Pond timing discharge and recharge, it is to avoid the loss that the long-term self discharge of battery is caused, increases battery；
3）Due to setting expanded circuit, by being input into amplifying circuit of analog signal, output amplifying circuit of analog signal acquisition testing
The voltage signal on voltage signal and output interface on circuit, so that the voltage of real-time detection input and output and output electricity
Stream, battery voltage signal, and judgement is analyzed to signal by the main control chip on main control module, always work in power supply
In the state of correct；
4）Due to employing programmable expansible chip in expanded circuit, can be to the journey in control chip by communication interface
Sequence is updated change, power supply function and characteristic is also changed, when switching power circuit carries out secondary development, nothing
Whole circuit element need to be on a large scale replaced, change and raising functionally is can be achieved with, autgmentability is strong, has saved secondary development
Time and cost；
5）The working condition of standby electricity circuit is controlled by expanded circuit, making the work of standby electricity circuit becomes more flexible, can basis
Situation automatically cuts off or opens standby electricity circuit, and adjusts relevant parameter in the standby electricity circuit course of work, makes power work state
Change is more controllable, more flexible；
6）Circuit structure of the invention can directly needed for output equipment DC voltage, be provided simultaneously with Charge Management function, replace
The UPS being connected in civil power is changed, the Switching Power Supply inside alternate device so, in equipment current supply circuit only has one-level energy to turn
Change, improve bulk supply efficiency and reliability, reduce volume, weight；
7）Strong applicability, this structure adapts to the input voltage in different application field, can be when standby piezoelectric voltage rises or declines
All the time maintaining the stabilization of output voltage, structure of the invention can use in randomly topologically structured power circuit.
Disclosed above is only several specific embodiments of the invention, but the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (9)
1. double-input uninterrupted switch power supply may be programmed, it is characterised in that including electric power management circuit, standby electricity circuit and extension electricity
Road, the electric power management circuit is directly connected with output interface, and the standby electricity circuit connects with electric power management circuit and output simultaneously
Mouth connection, expanded circuit one end is electrically connected with standby electricity circuit, and the other end is electrically connected with output interface, and the expanded circuit includes defeated
Enter amplifying circuit of analog signal, output module signal amplification circuit, main control module, logic level converting circuit and communication interface,
The input connection input amplifying circuit of analog signal of the standby electricity circuit, amplifying circuit of analog signal is electrically connected with main control module
Connect, output amplifying circuit of analog signal is also electrically connected with main control module, output amplifying circuit of analog signal is connected with output interface,
The battery also with standby electricity circuit is connected simultaneously, and communication interface is electrically connected with logic level converting circuit with main control module, master control
Module is also electrically connected with the switching circuit on standby electricity circuit, and main control module, master control module controls switching are connected in standby electricity circuit work
The working condition of circuit.
2. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the power management electricity
Road includes that lightning protection circuit, EMI suppression circuits, input rectification circuit, PFC and translation circuit and output are same
Step rectification circuit, after the civil power is directly connected to lightning protection circuit, by EMI suppression circuits, then by input rectification circuit
It is connected with PFC and translation circuit afterwards, is connected with output interface by output circuit of synchronous rectification again afterwards.
3. programmable double-input uninterrupted switch power supply according to claim 2, it is characterised in that the standby electricity circuit bag
The detection circuit for including detection civil power, the charging for controlling civil power and the switching circuit of battery switching, Charge Management being carried out to battery
Management circuit, battery and the change-over circuit directly inputted by battery, detection circuit are directly electrically connected with input rectification circuit,
Electrically connected with input amplifying circuit of analog signal with the change of isolation detection civil power, and detection circuit, switching circuit connecting detection
Circuit and change-over circuit, by being connected with change-over circuit after charge management circuit, change-over circuit is directly connected to output to battery, charges
The input for managing circuit is connected with the output of translation circuit, and the output of circuit of power factor correction and the input of translation circuit are electrically connected
Connect.
4. programmable double-input uninterrupted switch power supply according to claim 3, it is characterised in that the detection circuit by
Isolate transformer and its peripheral circuit composition of small-signal, the first level segment of transformer and the input rectification circuit of electric power management circuit
Electrical connection, secondary end connection switching circuit and input amplifying circuit of analog signal.
5. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the Charge Management electricity
Road includes two metal-oxide-semiconductors and a control chip, and is provided with controlling switch of the control cell communication for electricity circuit, controlling switch
Open, battery is turned in standby electricity circuit, carries out the charge and discharge of battery, is additionally provided between the battery and controlling switch
Surge protection circuit, the charge management circuit is also electrically connected with main control module.
6. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the input simulation letter
Number amplifying circuit employs two-stage amplifying circuit, and the output module signal amplification circuit also uses two-stage amplifying circuit, defeated
Enter the voltage signal of amplifying circuit of analog signal acquisition testing input, and send and carry out logic judgment and place into main control module
Reason, the current signal of the output amplifying circuit of analog signal acquisition testing output interface, and carried out in transmission to main control module
Logic judgment and treatment.
7. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the communication interface is adopted
With RS232 signal conversion interfaces.
8. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the logic level turns
Change circuit to be combined by multiple triodes and peripheral circuit, and triode and its peripheral circuit are electrically connected with main control module.
9. programmable double-input uninterrupted switch power supply according to claim 1, it is characterised in that the main control module is adopted
With the chip of ATMEGA16 models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278791.8A CN106849342A (en) | 2017-04-25 | 2017-04-25 | Programmable double-input uninterrupted switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278791.8A CN106849342A (en) | 2017-04-25 | 2017-04-25 | Programmable double-input uninterrupted switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849342A true CN106849342A (en) | 2017-06-13 |
Family
ID=59143089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710278791.8A Pending CN106849342A (en) | 2017-04-25 | 2017-04-25 | Programmable double-input uninterrupted switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849342A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425599A (en) * | 2017-09-13 | 2017-12-01 | 重庆大及电子科技有限公司 | Surge protection circuit for power compensator |
| CN107749664A (en) * | 2017-11-15 | 2018-03-02 | 安徽南瑞中天电力电子有限公司 | A kind of design circuit of acquisition system emergency power supply |
| CN109525034A (en) * | 2019-01-03 | 2019-03-26 | 中国铁塔股份有限公司四川省分公司 | A kind of computer room battery-backed power source system with multiple-channel output |
| CN110739937A (en) * | 2019-10-22 | 2020-01-31 | 华中科技大学 | switch type square wave generator using parallel reference voltage source |
| CN113972702A (en) * | 2021-11-05 | 2022-01-25 | 锐捷网络股份有限公司 | Power supply device and power supply control method |
| CN114115105A (en) * | 2021-11-24 | 2022-03-01 | 杭州电子科技大学 | Programmable control system and method for base station standby power unit |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394365Y (en) * | 1998-09-15 | 2000-08-30 | 深圳市国冶星电气有限公司 | Intellectual nonmaintained uninterrupted D. C. electric power |
| US20020104031A1 (en) * | 2000-12-06 | 2002-08-01 | Tomlinson Jock F. | Programmable power management system and method |
| CN201298199Y (en) * | 2008-11-05 | 2009-08-26 | 东莞市金翔电器设备有限公司 | Uninterrupted power supply system of intelligent computer |
| CN101567637A (en) * | 2009-05-31 | 2009-10-28 | 陈清尧 | Design of singlechip-controlled switch power |
| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| CN102496995A (en) * | 2011-12-16 | 2012-06-13 | 湖南工业大学 | Lithium battery charging power supply management method and system for the same |
| CN202524115U (en) * | 2012-03-21 | 2012-11-07 | 深圳市福佳电器有限公司 | Uninterrupted switch power supply |
| CN103475086A (en) * | 2013-09-06 | 2013-12-25 | 广州凯盛电子科技有限公司 | Power source capable of achieving seamless switching of multiple power supply modules |
| CN103545911A (en) * | 2013-10-25 | 2014-01-29 | 广东易事特电源股份有限公司 | Uninterrupted power system capable of conducting double-input intelligent power supply |
| CN103607037A (en) * | 2013-11-01 | 2014-02-26 | 恒动能源（深圳）有限公司 | Switching apparatus of UPS power supply |
| CN105958634A (en) * | 2016-07-07 | 2016-09-21 | 安徽超远信息技术有限公司 | Miniature UPS power supply |
| CN206850518U (en) * | 2017-04-25 | 2018-01-05 | 深圳市中旭源科技有限公司 | Programmable double-input uninterrupted switch power supply |
-
2017
- 2017-04-25 CN CN201710278791.8A patent/CN106849342A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394365Y (en) * | 1998-09-15 | 2000-08-30 | 深圳市国冶星电气有限公司 | Intellectual nonmaintained uninterrupted D. C. electric power |
| US20020104031A1 (en) * | 2000-12-06 | 2002-08-01 | Tomlinson Jock F. | Programmable power management system and method |
| CN201298199Y (en) * | 2008-11-05 | 2009-08-26 | 东莞市金翔电器设备有限公司 | Uninterrupted power supply system of intelligent computer |
| CN101567637A (en) * | 2009-05-31 | 2009-10-28 | 陈清尧 | Design of singlechip-controlled switch power |
| CN101674025A (en) * | 2009-10-12 | 2010-03-17 | 佛山市柏克电力设备有限公司 | Multiplexed output auxiliary switch power source powered by commercial power and battery |
| CN102496995A (en) * | 2011-12-16 | 2012-06-13 | 湖南工业大学 | Lithium battery charging power supply management method and system for the same |
| CN202524115U (en) * | 2012-03-21 | 2012-11-07 | 深圳市福佳电器有限公司 | Uninterrupted switch power supply |
| CN103475086A (en) * | 2013-09-06 | 2013-12-25 | 广州凯盛电子科技有限公司 | Power source capable of achieving seamless switching of multiple power supply modules |
| CN103545911A (en) * | 2013-10-25 | 2014-01-29 | 广东易事特电源股份有限公司 | Uninterrupted power system capable of conducting double-input intelligent power supply |
| CN103607037A (en) * | 2013-11-01 | 2014-02-26 | 恒动能源（深圳）有限公司 | Switching apparatus of UPS power supply |
| CN105958634A (en) * | 2016-07-07 | 2016-09-21 | 安徽超远信息技术有限公司 | Miniature UPS power supply |
| CN206850518U (en) * | 2017-04-25 | 2018-01-05 | 深圳市中旭源科技有限公司 | Programmable double-input uninterrupted switch power supply |
Non-Patent Citations (1)
| Title |
|---|
| 马伟明: "电力电子系统中的电磁兼容", vol. 2000, 武汉水利电力大学出版社, pages: 191 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107425599A (en) * | 2017-09-13 | 2017-12-01 | 重庆大及电子科技有限公司 | Surge protection circuit for power compensator |
| CN107749664A (en) * | 2017-11-15 | 2018-03-02 | 安徽南瑞中天电力电子有限公司 | A kind of design circuit of acquisition system emergency power supply |
| CN109525034A (en) * | 2019-01-03 | 2019-03-26 | 中国铁塔股份有限公司四川省分公司 | A kind of computer room battery-backed power source system with multiple-channel output |
| CN110739937A (en) * | 2019-10-22 | 2020-01-31 | 华中科技大学 | switch type square wave generator using parallel reference voltage source |
| CN110739937B (en) * | 2019-10-22 | 2022-11-08 | 华中科技大学 | Switch type square wave generator adopting parallel reference voltage source |
| CN113972702A (en) * | 2021-11-05 | 2022-01-25 | 锐捷网络股份有限公司 | Power supply device and power supply control method |
| CN114115105A (en) * | 2021-11-24 | 2022-03-01 | 杭州电子科技大学 | Programmable control system and method for base station standby power unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106849342A (en) | Programmable double-input uninterrupted switch power supply | |
| CN105468127B (en) | A kind of real-time data acquisition system and its power failure data storage circuit, method | |
| CN204649834U (en) | A kind of integral and intelligent electric energy meter with leakage current monitoring and protecting function | |
| CN102148529B (en) | Control device and control method thereof for intelligently supplying power to circuit breaker control unit | |
| CN103904770B (en) | A kind of AC power and battery power switching control system and method | |
| CN107171401A (en) | A kind of pair of accessory power supply and the energy-storage system based on double accessory power supplys | |
| CN107196406A (en) | A kind of method for handover control of pair of accessory power supply | |
| CN104393629B (en) | Intelligent power supply management circuit of digital oscillograph | |
| CN206850518U (en) | Programmable double-input uninterrupted switch power supply | |
| CN206595693U (en) | A kind of Intelligent plastic hull breaker | |
| CN104635713B (en) | A kind of electric energy metered system | |
| CN107645196A (en) | Distributed uninterruptible power system | |
| CN103151830B (en) | Substation with internal bridge automatic throw-in equipment of emergency power supply | |
| CN117784898A (en) | General safety controllable protection measurement and control device | |
| CN204008785U (en) | Measurement loop fault monitoring system | |
| CN103378581A (en) | AFCI comprehensive protecting device | |
| CN208589809U (en) | A kind of integration UPS uninterruptible power supply | |
| CN103825317A (en) | Energy-saving charger | |
| CN204008906U (en) | A kind of special change acquisition terminal with high tension loop monitoring | |
| CN206894301U (en) | A kind of double accessory power supplys and the energy-storage system based on double accessory power supplys | |
| CN201466724U (en) | Intelligent single-phase power saving protective controller | |
| CN208028771U (en) | The power switch circuit of vulnerabilities scan forceful electric power | |
| CN207602497U (en) | The power-down protection circuit of electric operating mechanism of circuit-breaker | |
| CN205429867U (en) | Dual -power switch power monitoring circuit and dual -power switch controller | |
| CN202930939U (en) | Intelligent type three phase electricity-saving appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |