CN202918196U - Intelligent voltage stabilization adapter for backpack battery - Google Patents
Intelligent voltage stabilization adapter for backpack battery Download PDFInfo
- Publication number
- CN202918196U CN202918196U CN 201220559309 CN201220559309U CN202918196U CN 202918196 U CN202918196 U CN 202918196U CN 201220559309 CN201220559309 CN 201220559309 CN 201220559309 U CN201220559309 U CN 201220559309U CN 202918196 U CN202918196 U CN 202918196U
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- circuit
- output circuit
- output
- buck
- power supply
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Abstract
The utility model relates to an intelligent voltage stabilization adapter for a backpack battery. The adapter comprises a housing; and a power input interface, a supply output interface and a circuit board are arranged on the housing. A 12-V direct-current power input circuit, a 9-V output circuit, a 12-V output circuit and a 6.4-V output circuit are arranged on the circuit board, wherein the 9-V output circuit, the 12-V output circuit and the 6.4-V output circuit are respectively connected with the output terminal of the 12-V direct-current power input circuit; the 9-V output circuit and the 6.4-V output circuit employ buck topology modes and the 12-V output circuit employs a buck-boost topology mode; and the 9-V output circuit, the 12-V output circuit and the 6.4-V output circuit are formed by DC-DC conversion circuits, feedback adjusting circuits and rectification and filtering circuits. According to the utility model, the energy conversion efficiency, the transient response speed, and the anti-disturbance performance are substantially improved; and the output voltage ripple is reduced. The utilization of the charger with functions of output short-circuit protection and over-current protection and the like enables the timeliness of voltage conversion to be substantially improved and application requirements of low EMI performance and wide working environment temperature range to be met.
Description
Technical field
The utility model relates to electronic technology field, is specifically related to a kind of battery intelligent voltage stabilizing adapter of bearing.
Background technology
Switching Power Supply is to utilize modern power electronics technology, and the time ratio that the control switch pipe turns on and off is kept a kind of power supply of regulated output voltage, and Switching Power Supply mainly comprises major loop and control loop two large divisions.Control loop generally adopts the pulse width modulation (PWM) control mode.Major loop is divided into isolated and non-isolated two large types.Non-isolated tandem, parallel, three kinds of structures of polarity inversion of comprising, representative is buck BUCK, boost type BOOST, three kinds of topologys of step-down/up type BUCK-BOOST respectively.Existing power supply adaptor has been used traditional buck BUCK, step-down/up type BUCK-BOOST topological structure, is not suitable for large power supply, and exists unreliable, the problem such as portability is poor, energy conversion efficiency is low of working under adverse circumstances.
The utility model content
In view of this, the purpose of this utility model is for deficiency of the prior art, and a kind of battery intelligent voltage stabilizing adapter of bearing is provided.
For finishing above-mentioned purpose, the technical solution adopted in the utility model is: bear battery intelligent voltage stabilizing adapter, comprise housing, power input interface, power supply output interface and circuit board are set on the housing, it is characterized in that: 9V output circuit, 12V output circuit and 6.4V output circuit that described circuit board is provided with 12V DC power supply input circuit and is connected with 12V DC power supply input circuit output respectively; Described 9V output circuit and 6.4V output circuit adopt buck BUCK topology, and described 12V output circuit adopts step-down/up type BUCK-BOOST topology; Described 9V output circuit, 12V output circuit and 6.4V output circuit form by DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit.
Further, described 12V output circuit adopts two-phase stepping buck-boost type control chip, adopts SSOP-28.
Compared with prior art; the beneficial effects of the utility model are: significantly improved energy conversion efficiency, transient response speed, performance of noiseproof; reduced output voltage ripple; have the functions such as output short circuit protection, overcurrent protection; greatly improve the ageing of voltage transitions, can satisfy the application requirements of low EMI performance and wide operating ambient temperature.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is appearance assumption diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model;
Among the figure: 1, housing, 2, power input interface, 3, the power supply output interface, 4, circuit board, 5,12V DC power supply input circuit, 6, the 9V output circuit, 7, the 12V output circuit, 8, the 6.4V output circuit.
Embodiment
As shown in Figure 1, 2 bear battery intelligent voltage stabilizing adapter, comprise housing 1, power input interface 2, power supply output interface 3 and circuit board 4 are set on the housing 1, and power supply output interface 3 comprises that three different Voltage-output interfaces are 9V, 12V, 6.4V direct voltage output interface.9V output circuit 6,12V output circuit 7 and 6.4V output circuit 8 that described circuit board 4 is provided with 12V DC power supply input circuit 5 and is connected with 12V DC power supply input circuit 5 outputs respectively.According to power and volume requirement, what circuit adopted is three road absolute construction, and 9V output circuit 6,12V output circuit 7 and 6.4V output circuit 8 form by DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit three parts.
Described 9V output circuit 6 turns 9V DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit by 12V and forms, adopt buck BUCK topology, the chip that Master control chip adopts, integrated PWM+PMOS has that volume is little, temperature range is wide, the efficient advantages of higher; This circuit chip inside has short-circuit protection, overcurrent protection, overheat protector, under-voltage protection, and operating frequency is fixing 500KHz; Be provided with frequency compensated circuit, output voltage is 9V.
Described 12V output circuit 7 turns 12V DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit by 12V and forms, adopt step-down/up type BUCK-BOOST topology, the two-phase stepping buck-boost type control chip that main control chip adopts, adopt SSOP-28, switching frequency is able to programme between 150-500KHz; Owing to adopting two-phase BUCK-BOOST topology, the requirement by electric current reduces half to output field effect transistor and Schottky, therefore the output field effect transistor has adopted the AO4812 chip of integrated couple of N-MOS, volume and performance all can meet the demands, and Schottky adopts 1N5820; Output voltage is 12V.
Described 6.4V output circuit 8 turns 6.4V DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit by 12V and forms, adopt buck BUCK topology, the chip that Master control chip adopts, integrated PWM+PMOS has that volume is little, temperature range is wide, the efficient advantages of higher; This circuit chip inside has short-circuit protection, overcurrent protection, overheat protector, under-voltage protection, and operating frequency is fixing 500KHz; Be provided with frequency compensated circuit, output voltage is 6.4V.
Above embodiment only is used for explanation the utility model, but not is used for limiting the utility model, and the equivalent variations that those skilled in the art carry out above-described embodiment, replacement are all within the claim protection range.
Claims (2)
1. bear battery intelligent voltage stabilizing adapter, comprise housing (1), power input interface (2), power supply output interface (3) and circuit board (4) are set on the housing (1), it is characterized in that: 9V output circuit (6), 12V output circuit (7) and 6.4V output circuit (8) that described circuit board (4) is provided with 12V DC power supply input circuit (5) and is connected with 12V DC power supply input circuit (5) output respectively; Described 9V output circuit (6) and 6.4V output circuit (8) adopt buck BUCK topology, and described 12V output circuit (7) adopts step-down/up type BUCK-BOOST topology; Described 9V output circuit (6), 12V output circuit (7) and 6.4V output circuit (8) form by DC-DC translation circuit, feedback regulating circuit, current rectifying and wave filtering circuit.
2. the battery intelligent voltage stabilizing adapter of bearing according to claim 1 is characterized in that, described 12V output circuit (7) adopts two-phase stepping buck-boost type control chip, adopts SSOP-28.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559309 CN202918196U (en) | 2012-10-30 | 2012-10-30 | Intelligent voltage stabilization adapter for backpack battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220559309 CN202918196U (en) | 2012-10-30 | 2012-10-30 | Intelligent voltage stabilization adapter for backpack battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918196U true CN202918196U (en) | 2013-05-01 |
Family
ID=48166471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220559309 Expired - Fee Related CN202918196U (en) | 2012-10-30 | 2012-10-30 | Intelligent voltage stabilization adapter for backpack battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049559A (en) * | 2014-06-09 | 2014-09-17 | 陆俊 | Load control circuit and device |
| CN109921619A (en) * | 2019-03-19 | 2019-06-21 | 广东美的制冷设备有限公司 | Power device and electric appliance |
-
2012
- 2012-10-30 CN CN 201220559309 patent/CN202918196U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049559A (en) * | 2014-06-09 | 2014-09-17 | 陆俊 | Load control circuit and device |
| CN109921619A (en) * | 2019-03-19 | 2019-06-21 | 广东美的制冷设备有限公司 | Power device and electric appliance |
| CN109921619B (en) * | 2019-03-19 | 2020-05-05 | 广东美的制冷设备有限公司 | Power device and electric appliance |
| US11888469B2 (en) | 2019-03-19 | 2024-01-30 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Power device and electrical appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20131030 |