CN113162200A - DC-DC buck-boost charging current control system - Google Patents
DC-DC buck-boost charging current control system Download PDFInfo
- Publication number
- CN113162200A CN113162200A CN202110554706.2A CN202110554706A CN113162200A CN 113162200 A CN113162200 A CN 113162200A CN 202110554706 A CN202110554706 A CN 202110554706A CN 113162200 A CN113162200 A CN 113162200A
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- China
- Prior art keywords
- circuit board
- buck
- current control
- control system
- charging current
- 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
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- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 230000033228 biological regulation Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000004519 grease Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 208000035389 Ring chromosome 6 syndrome Diseases 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a DC-DC buck-boost charging current control system which comprises a circuit board, a voltage-controlled potentiometer, an inductor, a capacitor, a resistor and a chip, wherein the voltage-controlled potentiometer is installed on the surface of the circuit board, the inductor is installed on the surface of the circuit board, the capacitor is installed on the surface of the circuit board, the resistor is installed on the surface of the circuit board, and the chip is installed on the surface of the circuit board. The voltage-controlled potentiometer, the inductor, the capacitor, the resistor and the chip are connected through a circuit, and the surface of the circuit board is fixedly connected with the radiating block. According to the invention, the voltage-controlled potentiometer, the inductor, the capacitor, the resistor and the chip are integrated on the circuit board, and the DC power supply input unit and the current output unit are additionally combined, so that the effect of DC-DC boost charging current control can be realized, the control in all aspects can be carried out when external equipment is charged, the damage to the equipment caused by overlarge current in the charging process can be avoided, the current stability in charging can be improved, the power supply and the equipment body are protected, and the safety performance is stronger in use.
Description
Technical Field
The invention relates to the technical field of current control, in particular to a DC-DC buck-boost charging current control system.
Background
The DC-DC power supply module is widely applied to the communication fields of power electronics, military industry, scientific research, industrial control equipment, communication equipment, instruments, exchange equipment, access equipment, mobile communication, routers and the like, and the fields of industrial control, automotive electronics, aerospace, battery pack production and processing and the like.
The DC-DC charging current control system on the current market mostly can not well control the buck-boost current when in use, thereby leading to the application in the processing procedure of a battery pack, when charging for external equipment, the condition that the fluctuation range is great from top to bottom to cause the damage of different degrees to the equipment is easily generated, the effect of stably controlling the current can not be realized when charging, and simultaneously, most current control systems can also generate high temperature when operating for a long time, thereby influencing the normal operation of a circuit board and being troublesome when in use.
Disclosure of Invention
The invention provides a DC-DC buck-boost charging current control system aiming at the defects in the background technology.
The invention adopts the following technical scheme that the DC-DC buck-boost charging current control system comprises a circuit board, a voltage-controlled potentiometer, an inductor, a capacitor, a resistor, a chip and the like, wherein the voltage-controlled potentiometer is installed on the surface of the circuit board, the inductor is installed on the surface of the circuit board, the capacitor is installed on the surface of the circuit board, the resistor is installed on the surface of the circuit board, the chip is installed on the surface of the circuit board, the voltage-controlled potentiometer, the inductor, the capacitor, the resistor and the chip are connected through a circuit, and the surface of the circuit board is fixedly connected with a heat dissipation block.
As a further preferable mode of the present invention, the outside of the circuit board is connected to a DC power input unit.
As a further preferable mode of the present invention, the voltage-controlled potentiometer, the inductor, the capacitor, the resistor, and the chip are all connected to the current sampling unit through a circuit, and the current sampling unit is connected to the voltage-boosting regulation unit or the voltage-reducing regulation unit through a circuit.
As a further preferable mode of the present invention, the step-up regulation and control unit or the step-down regulation and control unit is connected to the current output unit through a circuit.
In a further preferred embodiment of the present invention, a reinforcing ring is connected to a surface of the circuit board by means of an insert, and a mounting hole is formed in the reinforcing ring.
As a further preferable mode of the present invention, the heat dissipation blocks are symmetrically distributed, and the surface of the circuit board is provided with a heat conductive silicone grease covering the edges of the heat dissipation blocks.
As a further preferable mode of the present invention, the heat dissipation block is provided with inner grooves inside, and the inner grooves are distributed evenly.
In a further preferred embodiment of the present invention, a mounting groove is formed in a back surface of the circuit board, and a gasket is connected to an inside of the mounting groove by means of an insert.
According to the invention, the voltage-controlled potentiometer, the inductor, the capacitor, the resistor, the chip and the like are integrated on the circuit board, and the DC power supply input unit and the current output unit are additionally combined, so that the DC-DC boost charging current control effect can be realized, the external equipment can be comprehensively controlled when being charged, the equipment is prevented from being damaged due to overlarge current in the charging process, the current stability in the charging process can be improved, the power supply and the equipment body are protected, and the safety performance is stronger in use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is an electrical schematic of the present invention;
FIG. 4 is a diagram of a current control application of the present invention;
FIG. 5 is a current control flow diagram of the present invention.
In the figure, a circuit board-1, a voltage-controlled potentiometer-2, a capacitor-3, an inductor-4, a mounting hole-5, a reinforcing ring-6, a radiating block-7, an inner groove-8, heat-conducting silicone grease-9, a mounting groove-10 and a gasket-11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: the utility model provides a DC-DC boost charging current control system, includes circuit board 1, voltage-controlled potentiometre 2, electric capacity 3 and inductance 4, the surface mounting voltage-controlled potentiometre 2 of circuit board 1, the surface mounting electric capacity 3 of circuit board 1, the surface mounting inductance 4 of circuit board 1, adopt circuit connection between voltage-controlled potentiometre 2, electric capacity 3 and the inductance 4, the fixed surface of circuit board 1 connects radiating block 7.
The outside of the circuit board 1 is communicated with a DC power input unit.
The voltage-controlled potentiometer 2 comprises
The voltage-controlled potentiometer 2, the capacitor 3 and the inductor 4 are all communicated with a current sampling unit through a circuit, and the current sampling unit is connected with a voltage boosting regulation unit or a voltage reduction regulation unit through a circuit).
The voltage boosting regulation and control unit and the voltage reduction regulation and control unit are connected with the current output unit through circuits.
The surface of the circuit board 1 is connected with a reinforcing ring 6 in an embedding mode, and a mounting hole 5 is formed in the reinforcing ring 6.
The radiating block 7 is in a symmetrical distribution mode, the surface of the circuit board 1 is provided with heat conduction silicone grease 9, and the heat conduction silicone grease 9 covers the edge of the radiating block 7.
An inner groove 8 is formed in the heat dissipation block 7, and the inner groove 8 is evenly distributed.
The back of the circuit board 1 is provided with a mounting groove 10, and the inside of the mounting groove 10 is connected with a gasket 11 in an embedding manner.
In summary, the voltage-controlled potentiometer 2, the capacitor 3 and the inductor 4 are integrated on the circuit board 1, and the DC power input unit and the current output unit are additionally combined, so that the effect of DC-DC boost charging current control can be realized, and the external device can be controlled in all aspects when being charged, so that the purpose of better stable control can be achieved when the device is applied to the test or control process of a battery pack, the damage to the device caused by overlarge current in the charging process can be avoided, the current stability in the charging process can be improved, the power supply and the device body are protected, and the safety performance is stronger when the device is used; meanwhile, the radiating block 7 is arranged on the surface of the circuit board 1, and the radiating block 7 is connected with the circuit board 1 through the heat-conducting silicone grease 9, so that heat generated when the circuit board 1 operates can be transmitted to the radiating block 7, and then the heat is radiated out through the radiating block 7, so that the purpose of improving the radiating efficiency of the circuit board 1 is achieved, the high-temperature phenomenon easily generated when the circuit board 1 operates for a long time can be avoided, and the practicability is high.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a DC-DC step-up and step-down charging current control system, its characterized in that, includes circuit board (1), voltage-controlled potentiometre (2), electric capacity (3) and inductance (4), the voltage-controlled potentiometre of surface mounting (2) of circuit board (1), surface mounting electric capacity (3) of circuit board (1), surface mounting inductance (4) of circuit board (1), adopt circuit connection between voltage-controlled potentiometre (2), electric capacity (3) and inductance (4), the fixed surface of circuit board (1) connects radiating block (7).
2. The DC-DC buck-boost charging current control system according to claim 1, wherein the circuit board (1) is externally connected with a DC power input unit.
3. The DC-DC buck-boost charging current control system according to claim 1, wherein the capacitor (3) and the inductor (4) of the voltage-controlled potentiometer (2) are both connected with a current sampling unit through a circuit, and the current sampling unit is connected with the boost regulation unit or the buck regulation unit through a circuit.
4. The DC-DC buck-boost charging current control system according to claim 3, wherein the boost regulation unit or the buck regulation unit is connected to the current output unit through a circuit.
5. The DC-DC buck-boost charging current control system according to claim 1, wherein the surface of the circuit board (1) is connected with a reinforcing ring (6) in a mosaic manner, and the reinforcing ring (6) is internally provided with a mounting hole (5).
6. The DC-DC buck-boost charging current control system according to claim 1, wherein the heat dissipation block (7) is symmetrically distributed, the surface of the circuit board (1) is provided with a heat conductive silicone grease (9), and the heat conductive silicone grease (9) covers the edge of the heat dissipation block (7).
7. A DC-DC buck-boost charging current control system according to claim 1, wherein the interior of the heat dissipation block (7) is provided with inner grooves (8), and the inner grooves (8) are distributed evenly.
8. The DC-DC buck-boost charging current control system according to claim 1, wherein a mounting groove (10) is formed in the back surface of the circuit board (1), and a gasket (11) is connected to the inside of the mounting groove (10) in an embedded manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110554706.2A CN113162200A (en) | 2021-05-21 | 2021-05-21 | DC-DC buck-boost charging current control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110554706.2A CN113162200A (en) | 2021-05-21 | 2021-05-21 | DC-DC buck-boost charging current control system |
Publications (1)
Publication Number | Publication Date |
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CN113162200A true CN113162200A (en) | 2021-07-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110554706.2A Pending CN113162200A (en) | 2021-05-21 | 2021-05-21 | DC-DC buck-boost charging current control system |
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CN (1) | CN113162200A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2239834A1 (en) * | 2009-04-09 | 2010-10-13 | Linear Technology Corporation | Buck-mode boost converter with regulated output current |
CN205622501U (en) * | 2016-01-03 | 2016-10-05 | 广东海洋大学 | DC -DC charging circuit |
CN106452054A (en) * | 2016-12-26 | 2017-02-22 | 上海展枭新能源科技有限公司 | Buck-boost DC/DC converter and buck-boost control method thereof for circuit system |
EP3168958A1 (en) * | 2015-11-16 | 2017-05-17 | Bytec Healthcare Limited | Programmable power module for mobile cart |
CN210745827U (en) * | 2019-08-07 | 2020-06-12 | 佛山闽雄机电科技有限公司 | Electromagnetic heater power supply capable of isolating and radiating |
CN112671207A (en) * | 2020-12-07 | 2021-04-16 | 太仓市何氏电路板有限公司 | Switching power supply based on voltage control type DC-DC control and working method thereof |
-
2021
- 2021-05-21 CN CN202110554706.2A patent/CN113162200A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2239834A1 (en) * | 2009-04-09 | 2010-10-13 | Linear Technology Corporation | Buck-mode boost converter with regulated output current |
EP3168958A1 (en) * | 2015-11-16 | 2017-05-17 | Bytec Healthcare Limited | Programmable power module for mobile cart |
CN205622501U (en) * | 2016-01-03 | 2016-10-05 | 广东海洋大学 | DC -DC charging circuit |
CN106452054A (en) * | 2016-12-26 | 2017-02-22 | 上海展枭新能源科技有限公司 | Buck-boost DC/DC converter and buck-boost control method thereof for circuit system |
CN210745827U (en) * | 2019-08-07 | 2020-06-12 | 佛山闽雄机电科技有限公司 | Electromagnetic heater power supply capable of isolating and radiating |
CN112671207A (en) * | 2020-12-07 | 2021-04-16 | 太仓市何氏电路板有限公司 | Switching power supply based on voltage control type DC-DC control and working method thereof |
Non-Patent Citations (1)
Title |
---|
高瑞平: "电工电子实训基础", 同济大学出版社, pages: 93 - 94 * |
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