CN202888947U - AC\DC dual power source switch-free device - Google Patents
AC\DC dual power source switch-free device Download PDFInfo
- Publication number
- CN202888947U CN202888947U CN 201220533626 CN201220533626U CN202888947U CN 202888947 U CN202888947 U CN 202888947U CN 201220533626 CN201220533626 CN 201220533626 CN 201220533626 U CN201220533626 U CN 201220533626U CN 202888947 U CN202888947 U CN 202888947U
- Authority
- CN
- China
- Prior art keywords
- phase
- power source
- rectifier
- alternating current
- dual power
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The utility model relates to an AC\DC dual power source switch-free device. The device is mainly composed of a 380V three-phase AC input end, a three-phase transformer, a three-phase full bridge rectifier, a 220V DC input end, a single-phase rectifier and an output end. The 380V three-phase AC input end is connected with the three-phase full bridge rectifier through the transformer. The 220V DC input end is connected with the single-phase rectifier. The three-phase full bridge rectifier and the single-phase rectifier are in parallel connection, and a parallel connection end is connected with the output end. Through the AC\DC dual power source switch-free device, dual input of a 380V alternating current and a 220V direct current can be realized to provide a safe, reliable and uninterrupted power source for equipment. Compared with a conventional AC\DC dual power source input device, the AC\DC dual power source switch-free device enables a superposed voltage value between the alternating current and the direct current after rectification of the alternating current to be effectively reduced and also enables the voltage pulsation amplitude after rectification of the alternating current to be effectively reduced, thereby mitigating aging losses of a line device and allowing output of the power source to be more stable.
Description
Technical field
The utility model relate to a kind of friendship direct-current dual power exempt from switching device shifter.
Background technology
The power supply of at present industrial automation control system use generally all requires safe and reliable, uninterrupted, mostly is the power supply of direct current 220V input, perhaps is the power supply of alternating current 220V and direct current 220V dual input, and power supply inside at first obtains pulsating direct current by single-phase rectification bridge.Yet, factories and miness consumer networks voltage is generally higher in actual applications, alternating current 220V generally can both reach 240V even higher, so that alternating voltage peak is also higher, especially adopt to hand in the direct current dual input, alternating current behind over commutation with direct current stack so that voltage is higher, long-play can cause then that the power supply internal calorific power is large, the device aging acceleration like this, even directly causes damage.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of friendship direct-current dual power exempt from switching device shifter, provide purpose safe and reliable, continual power supply to realize that 380V exchanges with the dual input of 220V direct current as industrial control equipment, thereby and this device with respect to existing hand over can effectively reduce the aging loss that slows down line device with the superimposed voltage value of direct current behind the AC rectification for the direct-current dual power input unit.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of friendship direct-current dual power exempt from switching device shifter, mainly consisted of by 380V three-phase alternating current input, three-phase transformer, three-phase full-bridge rectifier, 220V direct-flow input end, single-phase rectifier and output, 380V three-phase alternating current input is connected with three-phase full-bridge rectifier by transformer, the 220V direct-flow input end is connected with single-phase rectifier, three-phase full-bridge rectifier is in parallel with single-phase rectifier, and parallel connected end connects output.
The beneficial effects of the utility model are: by this friendship direct-current dual power exempt from switching device shifter and can realize that 380V exchanges with the dual input of 220V direct current and provide safe and reliable for equipment, the purpose of continual power supply, exchange with any one tunnel outage of direct current and can not cause voltage fluctuation, the three-phase alternating current phase shortage can not cause the output disappearance yet, and this device with respect to existing hand over can effectively reduce for the direct-current dual power input unit behind the AC rectification with the superimposed voltage value of direct current and exchanges mains ripple amplitude after rectification, thereby slow down the aging loss of line device and power supply exported more stable.This friendship direct-current dual power exempt from that switching device shifter is simple in structure, production cost is low.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is each components and parts syndeton schematic diagram of the present utility model.
Among the figure: 1.380V three-phase alternating current input 2. three-phase transformers 3. three-phase full-bridge rectifier 4.220V direct-flow input ends 5. single-phase rectifiers 6. outputs
Embodiment
A kind of friendship direct-current dual power exempt from switching device shifter, as shown in Figure 1, it mainly is made of 380V three-phase alternating current input 1, three-phase transformer 2, three-phase full-bridge rectifier 3,220V direct-flow input end 4, single-phase rectifier 5 and output 6,380V three-phase alternating current input 1 is connected with three-phase full-bridge rectifier 3 by transformer 2,220V direct-flow input end 4 is connected with single-phase rectifier 5, three-phase full-bridge rectifier 3 is in parallel with single-phase rectifier 5, and parallel connected end connects output 6.
Claims (1)
1. hand over the direct-current dual power to exempt from switching device shifter for one kind, it is characterized in that: mainly by 380V three-phase alternating current input (1), three-phase transformer (2), three-phase full-bridge rectifier (3), 220V direct-flow input end (4), single-phase rectifier (5) and output (6) consist of, 380V three-phase alternating current input (1) is connected with three-phase full-bridge rectifier (3) by transformer (2), 220V direct-flow input end (4) is connected with single-phase rectifier (5), three-phase full-bridge rectifier (3) is in parallel with single-phase rectifier (5), and parallel connected end connects output (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533626 CN202888947U (en) | 2012-10-18 | 2012-10-18 | AC\DC dual power source switch-free device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533626 CN202888947U (en) | 2012-10-18 | 2012-10-18 | AC\DC dual power source switch-free device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888947U true CN202888947U (en) | 2013-04-17 |
Family
ID=48080337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220533626 Expired - Fee Related CN202888947U (en) | 2012-10-18 | 2012-10-18 | AC\DC dual power source switch-free device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888947U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485855A (en) * | 2014-12-24 | 2015-04-01 | 黎香林 | Motor drive circuit |
| CN110168908A (en) * | 2016-12-27 | 2019-08-23 | 株式会社开道 | Three-phase/single phase alternating current power supply corresponds to type electrical hoist |
-
2012
- 2012-10-18 CN CN 201220533626 patent/CN202888947U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485855A (en) * | 2014-12-24 | 2015-04-01 | 黎香林 | Motor drive circuit |
| CN110168908A (en) * | 2016-12-27 | 2019-08-23 | 株式会社开道 | Three-phase/single phase alternating current power supply corresponds to type electrical hoist |
| CN110168908B (en) * | 2016-12-27 | 2021-05-11 | 株式会社开道 | Three-phase/single-phase AC power supply corresponding type electric hoist |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103129564B (en) | Electric locomotive traction system | |
| CN103066865B (en) | Three-phase Bridgeless power factor correction A.C.-D.C. converter | |
| CN203233322U (en) | Multiplexed output fly-back switching power supply | |
| CN104253549A (en) | LCL filtering-based circuit topology structure of high-power PWM (pulse-width modulation) rectifier | |
| CN203933382U (en) | A kind of APFC of tape jam measuring ability | |
| CN202888947U (en) | AC\DC dual power source switch-free device | |
| CN102255356B (en) | Efficient uninterruptible power supply | |
| CN103997199A (en) | Active power factor correction circuit with fault detection function | |
| CN201126979Y (en) | UPS system for transformer substation below 220kV voltage class | |
| CN106159965A (en) | A kind of minimal form compensates power supply | |
| CN204538997U (en) | A kind of AC/DC power supply changeover device of improvement | |
| CN204696942U (en) | Centralized alternating current-direct current dual input d. c. remote power supply administration end system | |
| CN204290755U (en) | A kind of electronics automatic reverse power supply of N+1 superposition backup | |
| CN203055643U (en) | Three-phase to single-phase transformer | |
| CN202856349U (en) | Novel power supply system of communication power source | |
| CN204696796U (en) | Centralized alternating current-direct current dual input d. c. remote is powered far end system | |
| CN204886722U (en) | Parallel high voltage direct current genera tor | |
| CN205123675U (en) | Energy gateway, household appliance and direct-current micro-grid system | |
| CN204013233U (en) | Efficient PFC Switching Power Supply based on flat surface transformer | |
| CN203387426U (en) | Solar bridgeless inverter containing converter with high step-up ratio | |
| CN203135453U (en) | Self-commutation reactive power compensator based on current source converter | |
| CN201860117U (en) | Reactive-load compensation and active power-saving device | |
| CN202998622U (en) | Intelligent illumination energy saving controller | |
| CN205901617U (en) | Two voltage PFC converters and three -phase alternating current input power supply circuit | |
| CN203119775U (en) | Online uninterrupted power source (UPS) with digital processing control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |