CN206850517U - The double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type - Google Patents
The double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type Download PDFInfo
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- CN206850517U CN206850517U CN201720442899.1U CN201720442899U CN206850517U CN 206850517 U CN206850517 U CN 206850517U CN 201720442899 U CN201720442899 U CN 201720442899U CN 206850517 U CN206850517 U CN 206850517U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
The utility model provides a kind of double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type,On the basis of single line Switching Power Supply,A switch voltage-stabilizing circuit in parallel,Switching Power Supply input voltage is detected in real time,When civil power normal power supply,Switching Power Supply normally exports,Charge the battery simultaneously,When civil power powers off,Pass through switching circuit,Change-over circuit is opened,Battery is discharged by change-over circuit,So as to continue from output port output voltage,Reach the purpose of uninterrupted power supply,Circuit structure of the present utility model can directly needed for output equipment DC voltage,It is provided simultaneously with Charge Management function,Replace the UPS being connected in civil power,Switching Power Supply inside alternate device,So,There was only one-level energy conversion in equipment current supply circuit,Improve bulk supply efficiency and reliability,Reduce volume,Weight,And adapt to the input voltage in different application field,The stabilization of output voltage can be maintained all the time when standby piezoelectric voltage rises or declined.
Description
Technical field
It the utility model is related to a kind of field of switch power, more particularly to a kind of realization pair in the form of switch power parallel
The voltage-stabilizing switch power source of the uninterrupted power supply of output.
Background technology
At present, for needing the equipment of uninterrupted power supply, the power supply guarantee of equipment is all carried out using traditional UPS substantially.City
UPS input is electrically accessed, is exported after UPS voltage stabilizings, the ac input end for being connected to equipment is powered.Civil power is normal
When, the work of equipment is maintained by this series network；In the case where civil power powers off, the standby energy (is generally stored by UPS
Battery) inversion is that alternating current is output to the ac input end of equipment, to ensure that equipment also can be just in the case of no alternating current
Often work.
Due to UPS and civil power, device interior Switching Power Supply between be the relation that is connected in series, therefore, do not have in civil power
In the case of power-off, if UPS failures, equipment power failure is also led to；Work is supported by backup battery after civil power power-off
When, UPS needs to supply electricity to the DC inverter of backup battery into the facility switching power supply of rear class, conversion efficiency again into alternating current
It is low；In railway (DC110V inputs), vehicle-mounted (DC12V), aviation (DC28V) systematic difference, UPS is more because of its input range
Limitation with volume, efficiency can not use.
Utility model content
For weak point present in above-mentioned technology, it is double-input uninterrupted that the utility model provides a kind of paralleling switch type
Voltage-stabilizing switch power source, traditional UPS is not used, a stand-by power supply in parallel directly on original switch control power supply, realize
Uninterrupted power source is powered.
In order to realize above-mentioned function, the utility model discloses a kind of double-input uninterrupted stabilized switch electricity of paralleling switch type
Source, including electric power management circuit, change-over circuit, detection circuit and charge management circuit, civil power are connected with electric power management circuit, institute
State electric power management circuit and be directly connected to output interface, meanwhile, electric power management circuit electrically connects with detection circuit, and detection circuit passes through
Switching circuit is electrically connected with change-over circuit, and change-over circuit is connected with output interface, and described charge management circuit one end connects power supply
Circuit, other end connection battery are managed, battery electrically connects with change-over circuit.
Wherein, electric power management circuit includes lightning protection circuit, EMI suppression circuits, input rectification circuit, primary transform circuit
And output circuit of synchronous rectification, after the civil power is directly connected to lightning protection circuit, by EMI suppression circuits, then by defeated
It is connected with primary transform circuit after entering rectification circuit, is connected again by output circuit of synchronous rectification with output interface afterwards.
Wherein, the output end of the detection circuit and input rectification circuit connects, and is connected with the input of switching circuit,
The input connection change-over circuit of switching circuit, the output end of change-over circuit is connected with output interface, charge management circuit it is defeated
Enter end to be connected with the output end of primary transform circuit, the input connection of the output end of charge management circuit and battery, battery it is defeated
Go out end to electrically connect with the input of change-over circuit.
Wherein, it is described detection circuit be made up of a photoelectrical coupler and its peripheral circuit, the negative electrode of photoelectrical coupler and
Anode tap is connected with input rectification circuit output end, and the emitter and collector of photoelectrical coupler passes through a triode and MOS
It is connected after pipe and its peripheral circuit with switching circuit input.
Wherein, the switching circuit includes a triode and a metal-oxide-semiconductor, metal-oxide-semiconductor are connected with conversion circuit.
The beneficial effects of the utility model are：Compared with prior art, a kind of paralleling switch type provided by the utility model
Double-input uninterrupted voltage-stabilizing switch power source, on the basis of existing Switching Power Supply, an on-off circuit in parallel is split powered-down
Source input is detected in real time, and when civil power normal power supply, Switching Power Supply normally exports, and charges the battery simultaneously, works as city
Electricity power-off when, by switching circuit, change-over circuit is opened, battery is discharged by change-over circuit, so as to continue from
Output port output voltage, reaches the purpose of uninterrupted power supply, and circuit structure of the present utility model can direct output equipment institute
The DC voltage needed, is provided simultaneously with Charge Management function, replaces the UPS being connected in civil power, the switch electricity inside alternate device
Source, so, there was only one-level energy conversion in equipment current supply circuit, improve bulk supply efficiency and reliability, reduce volume, weight
Amount, and the input voltage in different application field is adapted to, output voltage can be maintained all the time when standby piezoelectric voltage rises or declined
Stabilization.
Brief description of the drawings
Fig. 1 is the Switching Power Supply structured flowchart of the utility model embodiment；
Fig. 2 is the Switching Power Supply decomposition texture block diagram of the utility model embodiment；
Fig. 3 is the way circuit schematic diagram of the utility model embodiment；
Fig. 4 is the electric power management circuit schematic diagram of the utility model embodiment；
Fig. 5 is the utility model embodiment primary transform circuit theory diagrams；
Fig. 6 is that the utility model embodiment detects circuit theory diagrams；
Fig. 7 is the utility model embodiment switching circuit and change-over circuit schematic diagram；
Fig. 8 is the utility model embodiment charge management circuit schematic diagram.
Main element symbol description is as follows：
1st, electric power management circuit 2, change-over circuit
3rd, circuit 4, charge management circuit are detected
5th, output interface 6, switching circuit
7th, battery 11, lightning protection circuit
12nd, EMI suppression circuits 13, input rectification circuit
14th, primary transform circuit 15, output circuit of synchronous rectification.
Embodiment
In order to more clearly state the utility model, the utility model is further described below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model discloses a kind of double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type, including electricity
Power management circuits 1, change-over circuit 2, detection circuit 3 and charge management circuit 4, civil power are connected with electric power management circuit 1, power supply pipe
Reason circuit 1 is directly connected to output interface 5, meanwhile, electric power management circuit 1 electrically connects with detection circuit 3, and detection circuit 3 is by cutting
Change circuit 6 to electrically connect with change-over circuit 2, change-over circuit 2 is connected with output interface 5, the one end of charge management circuit 4 connection power supply pipe
1 circuit, other end connection battery 7 are managed, battery 7 electrically connects with change-over circuit 2.
Compared with prior art, the utility model is on the basis of existing Switching Power Supply, an on-off circuit in parallel,
Switching power circuit is detected in real time, when civil power normal power supply, Switching Power Supply normally exports, while is filled to battery
Electricity, when civil power powers off, by switching circuit, change-over circuit to be opened, battery is discharged by change-over circuit, so as to
Continue the purpose for from output port output voltage, reaching uninterrupted power supply, circuit structure of the present utility model can be exported directly
DC voltage needed for equipment, is provided simultaneously with Charge Management function, replaces the UPS being connected in civil power, inside alternate device
Switching Power Supply, so, there was only one-level energy conversion in equipment current supply circuit, improve bulk supply efficiency and reliability, reduce body
Product, weight, and the input voltage in different application field is adapted to, it can maintain to export all the time when standby piezoelectric voltage rises or declined
The stabilization of voltage.
Incorporated by reference to Fig. 2, Fig. 3 and Fig. 4, in the present embodiment, electric power management circuit 1 includes lightning protection circuit 11, EMI presses down
Circuit 12, input rectification circuit 13, primary transform circuit 14 and output circuit of synchronous rectification 15 processed, specific circuit connection diagram
Referring to Fig. 3, in the present embodiment, lightning protection circuit 11 includes gas-discharge tube GDT1, the first piezo-resistance ZNR1, second
Piezo-resistance ZNR2, the 3rd piezo-resistance ZNR3, fuse F1, the first electric capacity CY1, the second electric capacity CY2 and resistance R1 and electricity
R110 compositions are hindered, lightning protection circuit 11 directly electrically connects with city, and its output end forms with EMI suppression circuits 12, in this implementation
In example, EMI suppression circuits 12 include the first magnet exciting coil LF1, the second magnet exciting coil LF2, electric capacity CX1, electric capacity CX2, resistance
R126 and resistance R127, the civil power of input is after the anti-electromagnetic interference of EMI suppression circuits 12, then by by electric bridge BR1, electricity
Feel the input rectification circuit 13 of L3 and electric capacity C3 and C4 composition, exchange is transformed into the direct current of pulsation.It is of the prior art to open
Powered-down source circuit, output interface can be connected after correction up, conversion and rectification circuit directly below, but in the present embodiment,
Input rectification circuit 13 connects a detection circuit 3 and primary transform circuit 14 simultaneously, is allowed to form an input voltage measurement
Circuit structure.
Incorporated by reference to body Fig. 3 and Fig. 5 in the present embodiment, primary transform circuit 14 employs the MCZ5205 types of Japanese new electricity member
Number chip as power management chip U1, in addition to metal-oxide-semiconductor Q1, main power transformer T2, metal-oxide-semiconductor Q12, metal-oxide-semiconductor Q15, electricity
Hold C37, main power transformer T1, metal-oxide-semiconductor Q6 and metal-oxide-semiconductor Q7, in the present embodiment, power management chip U1 integrated powers because
Number correction and the control of main power conversion, its peripheral circuit and metal-oxide-semiconductor Q1 and PFC inductance T2, fast recovery diode D4, sampling electricity
R5 is hindered, resistance R56, BULK electric capacity EC2 forms PFC loop, and the output in PFC loop passes through EC2's
Positive pole is connected to the main power conversion loop being made up of metal-oxide-semiconductor Q12, metal-oxide-semiconductor Q15 and electric capacity C37 and main power transformer T1,
Main power transformer T1 is connected to metal-oxide-semiconductor Q6, metal-oxide-semiconductor Q7 and the circuit of synchronous rectification 15 formed after U8 and U9, in the present embodiment
In, U8 and U9 use TEA1791 chips, meanwhile, voltage after synchronous rectification by electrochemical capacitor EC4, electrochemical capacitor EC5 with
And the 3rd magnetic coil LF3 filtering, and Transient Suppression Diode ZD9 and ZD35 protection after be connected to output interface 5, export
27.5V operating voltage.
In the present embodiment, in the case that above-mentioned structure is civil power normal work, the switch that civil power passes through the first via is electric
Source output voltage, and the utility model also add an external connection battery 7, and corresponding pipe on above-mentioned circuit base
Manage the charge management circuit 4 of battery 7, and be powered with the reserve battery 7 detection circuit 3, switching circuit 6 and turn
Change circuit 2.
In the present embodiment, it is connected, examines with the output end of input rectification circuit 13 incorporated by reference to Fig. 3 and Fig. 6, detection circuit 3
Slowdown monitoring circuit 3 is to be made up of model PC817 photoelectrical coupler U14 and its peripheral circuit, and photoelectrical coupler U14 bags
Include negative electrode and anode tap U14A, and emitter and collector end U14B, photoelectrical coupler U14 negative electrode and anode tap U14A
It is connected with the output end of input rectification circuit 13, photoelectrical coupler U14 emitter and collector end U14B passes through three poles
It is connected after pipe Q26 and metal-oxide-semiconductor Q13 and its peripheral circuit with the input of switching circuit 6.
In the present embodiment, a triode Q18 and a metal-oxide-semiconductor are included incorporated by reference to Fig. 3 and Fig. 7, switching circuit 6
Q17, metal-oxide-semiconductor are connected with conversion circuit.ACOK voltage signals, voltage signal connection switching are exported in metal-oxide-semiconductor Q13 drain electrode end
It is connected with triode Q18 after resistance R59 on circuit 6, is managed after one voltage-regulator diode ZD4 of triode Q18 connections with MOS
Q17 connections, in the present embodiment, metal-oxide-semiconductor Q17 electrically connect with the change-over circuit 2 of DC-DC, in the present embodiment, conversion
Circuit 2 is connected with battery 7, and carries out battery discharge protection by a fuse F3, and change-over circuit 2 employs model
UC2843 Switching Power Supply bootrom U3 and its peripheral circuit, in the present embodiment, when civil power power-off, using battery 7 to electricity
Road powers, and is that input rectification circuit 13 is carried out in real time by detecting the photoelectrical coupler U14 on circuit 3 in the present embodiment
The detection of one magnitude of voltage, triode Q26 and metal-oxide-semiconductor Q13 believe the electrically amplified logic level for being converted into a 5V in the city of access
Number, this signal is named as ACOK, and in the present embodiment, ACOK has two states, exports 5V high level when exchanging normal, hands over
Pour off electricity, that is, when power-off, export 0V low levels, circuit be operated in exchange or battery status, be exactly according to this signal,
When ACOK signals are 5V high level, it is working properly that power supply is considered as civil power, and now metal-oxide-semiconductor Q17 is closed, the not work of change-over circuit 2
Make, while control charge management circuit 4 to be charged to battery 7；When city is electrically disconnected, i.e., line voltage power down when, ACOK signals are changed into
Low level, now metal-oxide-semiconductor Q17 conductings, Switching Power Supply bootrom U3 activation, change-over circuit 2 work, and voltage output interface is with turning
Change circuit 2 to connect, exported by battery 7, while change-over circuit 2 controls charge management circuit 4 to stop charging to battery 7.
Incorporated by reference to Fig. 3 and Fig. 8, in the present embodiment, charge management circuit 2 employs model LN338T chip U13
And its peripheral circuit, the chip U13 main power transformer T1 of input VIN connections the 8th pin, output end VO pin pass through simultaneously
It is connected after the resistance R23 and resistance R68 and diode D21 of connection with battery 7, meanwhile, chip U13 adjustable side ADJ pins
By being connected after triode Q32 and Q30 and its peripheral circuit with the drain electrode on metal-oxide-semiconductor Q13, and ACOK signals are connected, by ACOK
Signal controls the discharge and recharge of battery 7.
This will be by switching mode input-output electric power management circuit 1 and switching mode DC-to-dc change-over circuit using Novel main
2 two independent PMUs compositions, civil power enter power supply after (so that civil power inputs as an example, other input voltage principle phases
Together), the electric power management circuit 1 through switching mode input-output, output interface 5 export required DC voltage, and to reserve battery
7 carry out Charge Management, and the change-over circuit 2 of DC-to-dc is in holding state, are not involved in exporting current supply circuit, but can fill
Charged under the control of fulgurite reason circuit 4.When detection circuit 3 detects civil power power-off, tieed up in power source internal BULK electric capacity
Hold in the time of output voltage, immediately among the change-over circuit 2 of switching DC-DC to current supply circuit, continue as load and provide
Stable output voltage；When detection circuit 3 detects city power recovery and power supply is working properly by mains-supplied, switching direct current-
The holding state of change-over circuit 2 of direct current, and continue to charge to reserve battery 7.Civil power, battery switch random time,
The stabilization of output voltage can be maintained.
Advantage of the present utility model is：
1) it is simple in construction, easily realize, on the basis of existing Switching Power Supply, an on-off circuit in parallel is split
Powered-down source circuit is detected in real time, and when civil power normal power supply, Switching Power Supply normally exports, and charges the battery simultaneously,
When civil power powers off, by switching circuit, change-over circuit to be opened, battery is discharged by change-over circuit, so that after
Continue the purpose for from output port output voltage, reaching uninterrupted power supply；
2) DC voltage that circuit structure of the present utility model can directly needed for output equipment, is provided simultaneously with Charge Management
Function, replace and be connected on UPS in civil power, the Switching Power Supply inside alternate device, so, there was only one-level in equipment current supply circuit
Energy conversion, bulk supply efficiency and reliability is improved, reduce volume, weight；
3) strong applicability, this structure adapt to the input voltage in different application field, can rise in standby piezoelectric voltage or under
All the time the stabilization of output voltage is maintained during drop, structure of the present utility model can use in randomly topologically structured power circuit.
Disclosed above is only several specific embodiments of the present utility model, but the utility model is not limited to this,
The changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
1. a kind of double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type, it is characterised in that including electric power management circuit, conversion
Circuit, detection circuit and charge management circuit, civil power are connected with electric power management circuit, and the electric power management circuit is directly connected to defeated
Outgoing interface, meanwhile, electric power management circuit is electrically connected with detection circuit, and detection circuit is electrically connected by switching circuit and change-over circuit
Connect, change-over circuit is connected with output interface, and described charge management circuit one end connects electric power management circuit, other end connection electricity
Pond, battery electrically connect with change-over circuit.
2. the double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type according to claim 1, it is characterised in that power management
Circuit includes lightning protection circuit, EMI suppression circuits, input rectification circuit, primary transform circuit and output circuit of synchronous rectification,
It is electric with primary transform by EMI suppression circuits, then after input rectification circuit after the civil power is directly connected to lightning protection circuit
Road connects, and is connected again by output circuit of synchronous rectification with output interface afterwards.
3. the double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type according to claim 2, it is characterised in that the inspection
The output end of slowdown monitoring circuit and input rectification circuit connects, and is connected with the input of switching circuit, and the output end of switching circuit connects
Change-over circuit is connect, the output end of change-over circuit is connected with output interface, input and the primary transform circuit of charge management circuit
Output end connects, and the input of the output end of charge management circuit and battery connects, the output end of battery and change-over circuit it is defeated
Enter end electrical connection.
4. the double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type according to claim 3, it is characterised in that the inspection
Slowdown monitoring circuit is is made up of a photoelectrical coupler and its peripheral circuit, negative electrode and anode tap and the input rectifying electricity of photoelectrical coupler
The connection of road output end, the emitter and collector of photoelectrical coupler by after a triode and metal-oxide-semiconductor and its peripheral circuit with
Switching circuit input connects.
5. the double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type according to claim 4, it is characterised in that described to cut
Circuit is changed to be connected with change-over circuit including a triode and a metal-oxide-semiconductor, metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442899.1U CN206850517U (en) | 2017-04-25 | 2017-04-25 | The double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720442899.1U CN206850517U (en) | 2017-04-25 | 2017-04-25 | The double-input uninterrupted voltage-stabilizing switch power source of paralleling switch type |
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| Publication Number | Publication Date |
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| CN206850517U true CN206850517U (en) | 2018-01-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510302A (en) * | 2019-01-10 | 2019-03-22 | 北京和华瑞博科技有限公司 | A kind of intelligent power management system |
| CN110474421A (en) * | 2019-07-31 | 2019-11-19 | 苏州思源科安信息技术有限公司 | A kind of uninterruption power source and method of supplying power to for more biometric apparatus |
| CN111104770A (en) * | 2019-12-20 | 2020-05-05 | 云南电网有限责任公司信息中心 | Method for rapidly calculating power outage area based on single line diagram topological relation |
| CN112532085A (en) * | 2020-11-24 | 2021-03-19 | 中捷通信有限公司 | Power supply circuit and power adapter |
-
2017
- 2017-04-25 CN CN201720442899.1U patent/CN206850517U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510302A (en) * | 2019-01-10 | 2019-03-22 | 北京和华瑞博科技有限公司 | A kind of intelligent power management system |
| CN110474421A (en) * | 2019-07-31 | 2019-11-19 | 苏州思源科安信息技术有限公司 | A kind of uninterruption power source and method of supplying power to for more biometric apparatus |
| CN111104770A (en) * | 2019-12-20 | 2020-05-05 | 云南电网有限责任公司信息中心 | Method for rapidly calculating power outage area based on single line diagram topological relation |
| CN111104770B (en) * | 2019-12-20 | 2022-06-21 | 云南电网有限责任公司信息中心 | Method for rapidly calculating power outage area based on single line diagram topological relation |
| CN112532085A (en) * | 2020-11-24 | 2021-03-19 | 中捷通信有限公司 | Power supply circuit and power adapter |
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