CN202424507U - Reactive compensation concentrator based three-phase alternating-current complementary power supply - Google Patents
Reactive compensation concentrator based three-phase alternating-current complementary power supply Download PDFInfo
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- CN202424507U CN202424507U CN2012200643144U CN201220064314U CN202424507U CN 202424507 U CN202424507 U CN 202424507U CN 2012200643144 U CN2012200643144 U CN 2012200643144U CN 201220064314 U CN201220064314 U CN 201220064314U CN 202424507 U CN202424507 U CN 202424507U
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- power supply
- transformer
- management chip
- rectifier
- phase alternating
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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
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model discloses a reactive compensation concentrator based three-phase alternating-current complementary power supply which comprises rectifiers D1, D2 and D3, a transformer U1, a transformer U2, a transformer U3, a power management chip U7 and a power management chip U8, wherein the rectifiers D1, D2 and D3 are parallel to each other, the transformer U1 is connected with the input end of the rectifier D1, the transformer U2 is connected with the input end of the rectifier D2, the transformer U3 is connected with the input end of the rectifier D3, the power management chip U7 is connected to the output ends of the rectifiers D1, D2 and D3, and the power management chip U8 is connected in parallel with the power management chip U7. The power supply disclosed by the utility model has the characteristics of high power supply efficiency and power supply precision and stable power supply, therefore, the power supply is suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of power supply, specifically, relates to a kind of three-phase alternating current complementary power supply based on the reactive power compensation concentrator.
Background technology
Switching Power Supply is to utilize modern power electronics technology, and the time ratio that the control switch transistor turns on and off is kept a kind of power supply of regulated output voltage.Present Switching Power Supply has two kinds, and a kind of is direct-current switch power supply; Another kind is the alternating-current switch power supply.Because alternating-current switch power supply self characteristics makes existing alternating-current switch power supply power supplying efficiency not high with the power supply precision, its power supply is also unstable.
The utility model content
The purpose of the utility model is to provide a kind of three-phase alternating current complementary power supply based on the reactive power compensation concentrator, and it is not high with the power supply precision to solve the alternating-current switch power supply power supplying efficiency that exists in the prior art, the problem of power supply instability.
To achieve these goals, the technical scheme of the utility model employing is following:
Three-phase alternating current complementary power supply based on the reactive power compensation concentrator; Comprise rectifier D1, D2, D3 parallel with one another; The transformer U1 that links to each other with the input of said rectifier D1, the transformer U2 that links to each other with the input of said rectifier D2, the transformer U3 that links to each other with the input of said rectifier D3; And the power management chip U7 and the power management chip U8 that is in parallel with this power management chip U7 that are connected in the output of rectifier D1, D2, D3.
For filtering interference signals, the output of said rectifier D1, D2, D3 links to each other with the input of power management chip U7, U8 through first filter circuit; Said first filter circuit is the LC filter circuit, and this LC filter circuit is composed in parallel by filter inductance CH1, capacitor C 1, electrochemical capacitor C2.
For the overvoltage that suppresses to occur in the circuit; Protective circuit is avoided superpotential infringement; The input of said transformer U1 is connected with piezo-resistance U4, and the input of said transformer U2 is connected with piezo-resistance U5, and the input of said transformer U3 is connected with piezo-resistance U6; And between said transformer U1 and the piezo-resistance U4, between transformer U2 and the piezo-resistance U5, all be connected with resettable fuse between transformer U3 and the piezo-resistance U6.
For filtering interference signals further; The output of said power management chip U8 also is connected with second filter circuit; This second filter circuit is composed in parallel by inductance CH3, capacitor C 4, electrochemical capacitor C3; The output of said power management chip U7 also is connected with the 3rd filter circuit, and the 3rd filter circuit is composed in parallel by inductance CH2, capacitor C 6, electrochemical capacitor C5.
Compared with prior art, the utlity model has following beneficial effect:
1. the utility model adopts the three-phase alternating current complementary technology; By getting into the rectifier bridge rectification after three AC transformer step-downs; Produce 12V and 5V power supply through two Switching Power Supply managing chip LM2576 again; The setting of sort circuit makes this three-phase alternating current complementary power supply based on the reactive power compensation concentrator can receive big electric current, and power supplying efficiency is high.
2. the utility model also is provided with elements such as piezo-resistance, resettable fuse, diode main elements such as power management chip is protected, thus the reliability and the fail safe that have improved entire circuit.
3. in the utility model, be provided with a plurality of filter circuits, filtering interference signals so effectively makes that this power supply power supply is more stable, the power supply precision is higher.
4. the utility model adopts the conventional electrical components and parts, and the price cost performance is high, is prone to install, and is convenient to dismounting, helps large-scale promotion application.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further, the execution mode of the utility model includes but not limited to the following example.
Embodiment
As shown in Figure 1; Based on the three-phase alternating current complementary power supply of reactive power compensation concentrator, comprise rectifier D1, D2, D3 parallel with one another, the transformer U1 that links to each other with the input of said rectifier D1; The transformer U2 that links to each other with the input of said rectifier D2; The transformer U3 that links to each other with the input of said rectifier D3, and the power management chip U7 and the power management chip U8 that is in parallel with this power management chip U7 that are connected in the output of rectifier D1, D2, D3.
As preferably, rectifier D1, D2, D3 all select Qiao Dui for use, and power management chip U7, U8 all select switching power source chip LM2576 for use.
For filtering interference signals, the output of said rectifier D1, D2, D3 links to each other with the input of power management chip U7, U8 through first filter circuit; Said first filter circuit is the LC filter circuit, and this LC filter circuit is composed in parallel by filter inductance CH1, capacitor C 1, electrochemical capacitor C2.
For the overvoltage that suppresses to occur in the circuit; Protective circuit is avoided superpotential infringement; The input of said transformer U1 is connected with piezo-resistance U4, and the input of said transformer U2 is connected with piezo-resistance U5, and the input of said transformer U3 is connected with piezo-resistance U6; And between said transformer U1 and the piezo-resistance U4, between transformer U2 and the piezo-resistance U5, all be connected with resettable fuse between transformer U3 and the piezo-resistance U6.
For filtering interference signals further; The output of said power management chip U8 also is connected with second filter circuit; This second filter circuit is composed in parallel by inductance CH3, capacitor C 4, electrochemical capacitor C3; The output of said power management chip U7 also is connected with the 3rd filter circuit, and the 3rd filter circuit is composed in parallel by inductance CH2, capacitor C 6, electrochemical capacitor C5.
On the basis of foregoing circuit, present embodiment also is connected with the part auxiliary element, is used to guarantee the normal operation of circuit; Like fly-wheel diode of linking to each other with power management chip etc.; The use of these auxiliary elements belongs to the general circuit application custom of industry, repeats no more at this.
According to the foregoing description, just can realize the utility model well.
Claims (7)
1. based on the three-phase alternating current complementary power supply of reactive power compensation concentrator; It is characterized in that, comprise rectifier D1, D2, D3 parallel with one another, the transformer U1 that links to each other with the input of said rectifier D1; The transformer U2 that links to each other with the input of said rectifier D2; The transformer U3 that links to each other with the input of said rectifier D3, and the power management chip U7 and the power management chip U8 that is in parallel with this power management chip U7 that are connected in the output of rectifier D1, D2, D3.
2. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 1 is characterized in that, the output of said rectifier D1, D2, D3 links to each other with the input of power management chip U7, U8 through first filter circuit.
3. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 2 is characterized in that said first filter circuit is the LC filter circuit, and this LC filter circuit is composed in parallel by filter inductance CH1, capacitor C 1, electrochemical capacitor C2.
4. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 3; It is characterized in that; The input of said transformer U1 is connected with piezo-resistance U4; The input of said transformer U2 is connected with piezo-resistance U5, and the input of said transformer U3 is connected with piezo-resistance U6.
5. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 4; It is characterized in that, between said transformer U1 and the piezo-resistance U4, between transformer U2 and the piezo-resistance U5, all be connected with resettable fuse between transformer U3 and the piezo-resistance U6.
6. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 5; It is characterized in that; The output of said power management chip U8 is connected with second filter circuit, and this second filter circuit is composed in parallel by inductance CH3, capacitor C 4, electrochemical capacitor C3.
7. the three-phase alternating current complementary power supply based on the reactive power compensation concentrator according to claim 6; It is characterized in that; The output of said power management chip U7 is connected with the 3rd filter circuit, and the 3rd filter circuit is composed in parallel by inductance CH2, capacitor C 6, electrochemical capacitor C5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200643144U CN202424507U (en) | 2012-02-27 | 2012-02-27 | Reactive compensation concentrator based three-phase alternating-current complementary power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200643144U CN202424507U (en) | 2012-02-27 | 2012-02-27 | Reactive compensation concentrator based three-phase alternating-current complementary power supply |
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| Publication Number | Publication Date |
|---|---|
| CN202424507U true CN202424507U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200643144U Expired - Lifetime CN202424507U (en) | 2012-02-27 | 2012-02-27 | Reactive compensation concentrator based three-phase alternating-current complementary power supply |
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| CN (1) | CN202424507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762866A (en) * | 2014-01-25 | 2014-04-30 | 济南诺辉节能技术开发有限公司 | Indoor energy efficiency management terminal power source module |
-
2012
- 2012-02-27 CN CN2012200643144U patent/CN202424507U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762866A (en) * | 2014-01-25 | 2014-04-30 | 济南诺辉节能技术开发有限公司 | Indoor energy efficiency management terminal power source module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610041 International Exhibition Trade Center, 2, Pioneer Road, hi tech Development Zone, Sichuan, Chengdu, 7F Patentee after: Chengdu Xingyu Rongke Power Electronics Co., Ltd Address before: 610041 International Exhibition Trade Center, 2, Pioneer Road, hi tech Development Zone, Sichuan, Chengdu, 7F Patentee before: CHENGDU XINGYU ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |