CN109412428A - One kind can protable power unit and method for managing power supply - Google Patents
One kind can protable power unit and method for managing power supply Download PDFInfo
- Publication number
- CN109412428A CN109412428A CN201811253823.XA CN201811253823A CN109412428A CN 109412428 A CN109412428 A CN 109412428A CN 201811253823 A CN201811253823 A CN 201811253823A CN 109412428 A CN109412428 A CN 109412428A
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- CN
- China
- Prior art keywords
- circuit
- electrically connected
- pin
- output end
- power supply
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Abstract
The present invention provides a kind of power supply device with charge function, and there are three types of use patterns for tool: 1. individually electrically connect use with city;2. individually connection reserve battery, is powered by reserve battery;3. connect alternating current and reserve battery simultaneously, power supply while, charges to reserve battery.
Description
Technical field
The present invention relates to power supply device technical field more particularly to a kind of power supply devices.
Background technique
Power supply device is called external power supply, is that the supply voltage transformation of small portable electronic device and electronic apparatus is set
It is standby, it is generally made of components such as shell, transformer, inductance, capacitor, control IC, pcb boards, its working principle is defeated by exchanging
Enter to be converted to direct current output, be common on the small-sized electronic products such as mobile phone, liquid crystal display and laptop, currently on the market
Power supply device only serve the effect of AC-DC conversion, be only capable of charging in the case where powering on, being unable to electric power storage also can not nothing
It is used in the case where alternating current.
Summary of the invention
The present invention provides a kind of power supply device with charge function, and there are three types of use patterns for tool: 1. individually electrically connect with city
It uses;2. individually connection reserve battery, is powered by reserve battery;3. alternating current and reserve battery are connected simultaneously, power supply
It charges simultaneously to reserve battery.
To achieve the above object, the present invention adopts the following technical scheme: a kind of power supply device with charge function, including shell
Body, housing tip end face and bottom end end face are respectively arranged with output terminal and input port, and output terminal is connected to electronic equipment,
Input port and city are electrically connected.The switching power circuit for supply voltage needed for alternating current is converted forming apparatus is equipped in shell.
Shell includes the upper casing and lower casing being tightly connected, and upper casing is provided with interconnecting piece far from the end face of lower casing, and lower casing is separate
The end face of upper casing is provided with holding section and electric connector, and holding section is symmetrically disposed on end face two sides.
Further, switching power circuit is electrically connected with input port, output terminal and electric connector respectively.
Further, several fixation holes is provided on interconnecting piece, for power supply device to be fixedly connected on mating connection
Electronic equipment on.
Further, holding section is sliding rail, and sliding rail includes block and the short slot between block.As it is of the invention into
One step is improved, and is arranged sliding slot on reserve battery, the sliding rail and reserve battery being arranged on a kind of power supply device provided by the invention
On sliding slot engagement realize it is detachably connected, the electric connection terminal accordingly cooperated is provided on reserve battery, in sliding slot and cunning
It is electrically connected when rail is fully engaged with the electric connector on power supply device.
Detailed description of the invention
The invention will be further described for attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention.
Fig. 1 is the power device structure front view that one embodiment of the invention provides.
Fig. 2 is the power device structure bottom view that one embodiment of the invention provides.
Fig. 3 is the reserve battery structural schematic diagram that one embodiment of the invention provides.
Fig. 4 is the power supply device and reserve battery connection schematic diagram that one embodiment of the invention provides.
Fig. 5 is the functional block diagram for the power supply device internal switch power circuit that one embodiment of the invention provides.
Fig. 6 is the circuit diagram for the power supply device internal switch power circuit that one embodiment of the invention provides.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in figs. 1-2, a kind of power supply device with charge function that one embodiment of the invention provides, including shell,
Housing tip end face and bottom end end face are respectively arranged with output terminal 3 and input port 23.Shell includes the upper casing 1 being tightly connected
With lower casing 2.Upper casing 1 is provided with upper interconnecting piece 11 far from the end face top of lower casing 2, bottom end is provided with lower interconnecting piece 10.Lower connection
Setting is there are two lower fixed hole 100 in portion 10, and there are two upper fixation holes 110 for setting on upper interconnecting piece 11.
Lower casing 2 is far from being provided with electric connector 20 at the top of the flat surface 24 of upper casing 1.Flat surface 24 of the lower casing 2 far from upper casing 1
It also sets up there are two connecting hole 240, upper casing 1 and lower casing 2 pass through connecting hole 240 and be fixedly connected.24 two sides of flat surface are symmetrical arranged
First sliding rail 21 and the second sliding rail 22.Second sliding rail 22 includes the first block 220, the second block 222, the first short slot 221 and the
Two short slots 223, the first short slot 221 are located between block 220 and the second block 222, the first short slot 221 and the second sliding rail 22
Port.
As shown in figures 3-4, plug 4 connects input port 23 and provides alternating voltage input, and lower casing 2 passes through the first sliding rail
21 and second sliding rail 22 connect reserve battery 5, be provided on reserve battery 5 and cooperate respectively with the first sliding rail 21, the second sliding rail 22
First sliding groove 51, second sliding slot 52, the electric connection terminal 53 being cooperatively connected with electric connector 20 is provided on reserve battery 5,
Reserve battery 5 is electrically connected power supply device by electric connection terminal 53.
As seen in figs. 5-6, a kind of shell for power supply device with charge function that one embodiment of the invention provides is built-in with
Switching power circuit, switching power circuit include filter circuit 40, power coupling-isolation module 41, pwm control circuit 42, drive
Dynamic and current detection circuit 43, rectification circuit 44, loop control circuit 45.
The input terminal of filter circuit 40 is electrically connected input port 23, and the output end of filter circuit 40 couples with power-every
Input terminal from module 41 is electrically connected, and the input terminal of rectification circuit 44 is connect with power coupling-isolation module 41 output end,
Rectification circuit 44 is electrically connected electric connector 20 by common mode inductance L4, and the output end and output terminal 3 of rectification circuit 44 are electrically
Connection, rectification circuit 44 are electrically connected loop control circuit 45, and there are two LED light point for the output end series connection of loop control circuit 45
It is not displayed in red and green, power coupling-isolation module 41 is electrically connected driving and current detection circuit 43, pwm control circuit
42 are electrically connected filter circuit 40, driving and current detection circuit 43, and the switch of 6 pins is used in pwm control circuit 42
Power supply chip U1.
The pin 6 and pin 5 of switching power source chip U1 is electrically connected two input terminal of L, N of filter circuit 40, Switching Power Supply
It is parallel with resistance R27, optocoupler U2B and capacitor C12 between the pin 1 of chip U1, pin 2, the pin 1 of switching power source chip U1 connects
The pin 3 on ground, switching power source chip U1 is grounded by concatenated resistance R18, R20, R21, and the pin 4 of switching power source chip U1 is logical
Cross capacitor C2 ground connection.
Filter circuit 40 includes that safe capacitor CX1, common mode inductance L2, L1 and inductance L3, safe capacitor CX1 are connected in parallel on common mode
Between inductance L2, L1, inductance L3 is connected on the output end of the L phase of filter circuit 40, and filter circuit 40 is electrical by rectifier bridge BD1
Power coupling-isolation module 41 is connected to be rectified by filter circuit 40 to rectifier bridge BD1 after alternating current L terminates fuse F1
Exchange input is switched into direct current output to power coupling-isolation module 41.
Power coupling-isolation module 41 includes resistance R22, R23, capacitor C5, diode D3, D4 and high frequency transformer T1,
Power coupling -41 output end of isolation module is provided with high frequency transformer T1, and power coupling-isolation module 41 controls high frequency transformer
T1 armature winding TR1-A coupled secondary winding TR1-C, secondary windings TR1-C constitute the input terminal of rectification circuit 44, high frequency transformation
Auxiliary winding TR1-B is additionally provided on device T1, auxiliary winding TR1-B is electrically connected by concatenated diode D2 and resistance R25
The pin 5 of switching power source chip U1.RC circuit, the connection of RC circuit on one side are composed in parallel after resistance R22, R23 series connection with capacitor C5
In power coupling-isolation module 41 input terminal, the other end passes through diode D1 connection driving and current detection circuit 43.
Driving and the mirror current source that current detection circuit 43 includes that metal-oxide-semiconductor Q1 and triode Q2, triode Q8 are formed
Circuit, power coupling-isolation module 41 are electrically connected the pole D of metal-oxide-semiconductor Q1, the pole G of metal-oxide-semiconductor Q1 be electrically connected at triode Q2,
Between the radiation pole of triode Q8, triode Q2, triode Q8 base stage connecting node be electrically connected switching power source chip U1
Pin 6, the pin 4 of switching power source chip U1 are electrically connected the pole S of metal-oxide-semiconductor Q1.
Rectification circuit 44 includes cathode output end B+ and cathode output end B-, cathode output end B+ and cathode output end B- electricity
Output terminal 3 is connected, cathode output end B+ is connected electrically in rectified current by concatenated zener diode D10 and thermistor PTC
The output end bridging of the output end on road 44, rectification circuit 44 has a capacitor C13.
Loop control circuit 45 is electrically connected between secondary windings TR1-C and cathode output end B+ by resistance R36.
CY1 and CY2 is safe capacitor in Fig. 6, other unaccounted resistive elements are conventional arrangement, therefore are not explained further
It states.
When input port 23 has alternating current input, by filter circuit 40, rectifier bridge BD1 and power coupling-isolation module
41, direct current, which is converted to, from alternating current passes through the output of rectification circuit 44 again to load, pwm control circuit 42, loop control circuit
45 and driving with current detection circuit 43 control the stabilization of entire switching power circuit output voltage.Rectification circuit 44 passes through electrical property
The output terminal 3 of connection exports the power supply of electron equipment.When power supply device connects alternating current and reserve battery simultaneously, rectification circuit
44 electron equipment can be charged while power supply by the electric connector 20 of electric connection to reserve battery.When power supply device list
Solely when connection reserve battery, reserve battery is electrically connected rectification circuit 44 directly to power electronic equipment by common mode inductance L4.
LED light is arranged on loop control circuit 45 can indicate the use state of power supply device, when power supply device is only powered, LED
Lamp gives a green light, and when power supply device is powered simultaneously and is charged to reserve battery, LED light sends out a warning, until reserve battery fills
LED light gives a green light when the protection circuit of reserve battery disconnects when full electricity.In the present embodiment, for being when Wu Shi is electrically accessed
The chargeable back-up cell of power electronic equipment can be existing various rechargeable batteries, such as lithium battery.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of power supply device, including shell, it is characterised in that:
The housing tip end face and bottom end end face are respectively arranged with output terminal (3) and input port (23);
The shell includes the upper casing (1) and lower casing (2) being tightly connected, and the enclosure interior is holding cavity structure;
The upper casing (1) is provided with interconnecting piece (10 far from the end face of lower casing (2);11);
The lower casing (2) is provided with holding section and electric connector (20) far from the end face of upper casing (1), and the holding section is symmetrically set
It is placed in end face two sides;
The shell is built-in with switching power circuit, and the switching power circuit includes filter circuit (40), power coupling-isolation
Module (41), pwm control circuit (42), driving and current detection circuit (43), rectification circuit (44), loop control circuit
(45);
The input terminal of the filter circuit (40) is electrically connected the input port (23), the output end of the filter circuit (40)
Coupled with the power-input terminal of isolation module (41) is electrically connected, the input terminal and the function of the rectification circuit (44)
The connection of rate coupling-isolation module (41) output end, the rectification circuit (44) are electrically connected the electricity by common mode inductance L4
Connector (20), the output end and the output terminal (3) of the rectification circuit (44) are electrically connected, the rectified current
Road (44) is electrically connected the loop control circuit (45), and the output end of the loop control circuit (45) is in series with several LED
Lamp, the power coupling-isolation module (41) are electrically connected the driving and current detection circuit (43), the PWM control electricity
Road (42) is electrically connected the filter circuit (40), drives and current detection circuit (43), the pwm control circuit (42)
The middle switching power source chip U1 using 6 pins;
The pin 1 of the switching power source chip U1 is the end GND, and pin 2 is the end GATE, and 3 end CS of pin, pin 4 is the end INV, is drawn
Foot 5 is the end COMP, and pin 6 is vdd terminal, and the pin 6 and pin 5 of the switching power source chip U1 is electrically connected the filter circuit
(40) two input terminal of L, N, be parallel between the pin 1 of the switching power source chip U1, pin 2 resistance R27, optocoupler U2B and
The pin 1 of capacitor C12, the switching power source chip U1 are grounded, and the pin 3 of the switching power source chip U1 passes through concatenated several
The pin 4 of resistance eutral grounding, the switching power source chip U1 is grounded by capacitor C2.
2. a kind of power supply device according to claim 1, it is characterised in that: the interconnecting piece (10;11) it is provided on several
Fixation hole (100;110).
3. a kind of power supply device according to claim 1, it is characterised in that: the holding section is sliding rail (21;22).
4. a kind of power supply device according to claim 4, it is characterised in that: the sliding rail (21;22) include block (220) and
Short slot (221) between the block (220).
5. a kind of power supply device according to claim 1, it is characterised in that:
The filter circuit (40) includes safe capacitor CX1, common mode inductance L2, L1 and inductance L3, the safe capacitor CX1 in parallel
Between described common mode inductance L2, L1, the inductance L3 is connected on the output end of the filter circuit (40) L phase, the filtering
Circuit (40) is electrically connected the power coupling-isolation module (41) by rectifier bridge BD1, and the alternating current L terminates fuse F1
Afterwards, it is rectified by the filter circuit (40) to the rectifier bridge BD1 and exchange input is switched into direct current output to the function
Rate coupling-isolation module (41);
The power coupling-isolation module (41) output end is provided with high frequency transformer T1, the power coupling-isolation module
(41) high frequency transformer T1 armature winding TR1-A coupled secondary winding TR1-C is controlled, described in the secondary windings TR1-C is constituted
The input terminal of rectification circuit (44) is additionally provided with auxiliary winding TR1-B, the auxiliary winding TR1- on the high frequency transformer T1
B is electrically connected the pin 5 of the switching power source chip U1 by concatenated diode D2 and resistance R25.
6. a kind of power supply device according to claim 5, it is characterised in that: the driving with current detection circuit (43) includes
The image current source circuit of metal-oxide-semiconductor Q1 and triode Q2, triode Q8 composition, the power coupling-isolation module (41) electricity
Property connects the pole D of the metal-oxide-semiconductor Q1, and the pole G of the metal-oxide-semiconductor Q1 is electrically connected at the radiation of the triode Q2, triode Q8
Between pole, the triode Q2, triode Q8 base stage connecting node be electrically connected the pin 6 of the switching power source chip U1,
The pin 4 of the switching power source chip U1 is electrically connected the pole S of the metal-oxide-semiconductor Q1.
7. a kind of power supply device according to claim 6, it is characterised in that: the rectification circuit (44) includes cathode output end
(B+) and cathode output end (B-), the cathode output end (B+) and cathode output end (B-) are electrically connected the output terminal (3),
The cathode output end (B+) is connected electrically in the rectification circuit by concatenated zener diode D10 and thermistor PTC
(44) the output end bridging of output end, the rectification circuit (44) has a capacitor C13.
8. a kind of power supply device according to claim 7, it is characterised in that: the loop control circuit (45) passes through resistance
R36 is electrically connected between the secondary windings TR1-C and cathode output end (B+).
Priority Applications (1)
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CN201811253823.XA CN109412428B (en) | 2018-10-26 | 2018-10-26 | Portable power supply device and power supply management method |
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CN201811253823.XA CN109412428B (en) | 2018-10-26 | 2018-10-26 | Portable power supply device and power supply management method |
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CN109412428A true CN109412428A (en) | 2019-03-01 |
CN109412428B CN109412428B (en) | 2020-09-15 |
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CN206353758U (en) * | 2016-11-23 | 2017-07-25 | 刘蔚 | A kind of bipolarity dc source output device of small rechargeable |
CN107634568A (en) * | 2017-10-26 | 2018-01-26 | 南宁市浩发科技有限公司 | A kind of power supply adaptor |
US20180102656A1 (en) * | 2014-10-16 | 2018-04-12 | LAT Enterprises, Inc., d/b/a MediPak Energy Systems | Portable Power Case |
CN207252094U (en) * | 2017-09-27 | 2018-04-17 | 杭州科伦电子有限公司 | A kind of waterproof power supply |
CN108521165A (en) * | 2018-04-13 | 2018-09-11 | 华北科技学院 | A kind of intelligent multi-function portable power source and its control method |
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2018
- 2018-10-26 CN CN201811253823.XA patent/CN109412428B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201054555Y (en) * | 2007-06-21 | 2008-04-30 | 思源电气股份有限公司 | Mobile combined portable power supply |
CN203151187U (en) * | 2013-04-27 | 2013-08-21 | 福能高盛能源科技(苏州)有限公司 | Intelligent portable multifunctional mobile power supply charger |
US20180102656A1 (en) * | 2014-10-16 | 2018-04-12 | LAT Enterprises, Inc., d/b/a MediPak Energy Systems | Portable Power Case |
CN206353758U (en) * | 2016-11-23 | 2017-07-25 | 刘蔚 | A kind of bipolarity dc source output device of small rechargeable |
CN207252094U (en) * | 2017-09-27 | 2018-04-17 | 杭州科伦电子有限公司 | A kind of waterproof power supply |
CN107634568A (en) * | 2017-10-26 | 2018-01-26 | 南宁市浩发科技有限公司 | A kind of power supply adaptor |
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