CN201430545Y - Voltage booster device of uninterruptible power source - Google Patents
Voltage booster device of uninterruptible power source Download PDFInfo
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- CN201430545Y CN201430545Y CN2009200424357U CN200920042435U CN201430545Y CN 201430545 Y CN201430545 Y CN 201430545Y CN 2009200424357 U CN2009200424357 U CN 2009200424357U CN 200920042435 U CN200920042435 U CN 200920042435U CN 201430545 Y CN201430545 Y CN 201430545Y
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- gated transistor
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- inductance
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Abstract
The utility model relates to a voltage booster device of an uninterruptible power source, which comprises a neutral wire and a first inductance which is connected with the cathode end of a first rectifier, wherein the other end of the first inductance is connected with a collector electrode of a first insulation gate transistor, the emitter of the first insulation gate transistor is connected withthe neutral wire, the grid of the first insulation gate transistor is connected with a first driving controller, and a first capacitor is arranged between the collector electrode of the first insulation gate transistor and the neutral wire; the anode end of a second rectifier is connected with a second inductance, the other end of the second inductance is connected with the collector electrode ofa second insulation gate transistor, the emitter of the second insulation grate transistor is connected with the neutral wire, the grid of the second insulation gate transistor is connected with a second driving controller, and a second capacitor is arranged between the collector electrode of the second insulation gate transistor and the neutral wire. The voltage booster device of the uninterruptible power source has the advantages that the stability of the output voltage is good.
Description
Technical field
The utility model relates to a kind of uninterrupted power supply (being called for short UPS) technical field, is specifically related to the increasing apparatus of uninterrupted power supply.
Background technology
At present, booster circuit in the power supply is all finished by the chip that boosts basically, and the stable inadequately or overcurrent of chip driving voltage when work causes the chip that boosts fragile usually, the operating current of the chip tuning voltage of perhaps boosting is smaller, is generally tens milliamperes.If one tunnel output is provided on power panel specially, perhaps utilize the special-purpose chip that boosts to realize that then the utilance of chip functions is lower, price is more expensive, and cost performance is not high.
Summary of the invention
At above-mentioned technical problem, the purpose of this utility model provides a kind of increasing apparatus that can guarantee the uninterrupted power supply of voltage stability.
The technical scheme that realizes the object of the invention is as follows:
The increasing apparatus of uninterrupted power supply, comprise the neutral line, and connect one first inductance at the cathode terminal of first rectifier, the other end of first inductance is connected with the collector electrode of first gated transistor, the emitter of first gated transistor connects the neutral line, the grid of first gated transistor connects first driving governor, is connected first capacitor between the collector electrode of first gated transistor and the neutral line; The anode tap of second rectifier connects one second inductance, the other end of second inductance is connected with the collector electrode of second gated transistor, the emitter of second gated transistor connects the neutral line, the grid of second gated transistor connects second driving governor, is connected second capacitor between the collector electrode of second gated transistor and the neutral line.
Adopted such scheme, the increasing apparatus of uninterrupted power supply of the present utility model is that dominant shape has become two independently BOOST circuit with first gated transistor and second gated transistor, realize fast reaction, make under load, the line voltage sudden change situation, guarantee the stability of the direct voltage (being the voltage of output) of supply inverter; Dual control had both embodied analog circuit fast reaction characteristic, and DSP is given full play in the control advantage of aspects such as logic, sequential.
Software is slow to be started, and is by changing the reference voltage of current protection, realize current-limited startup, and dual slow startup in start process, is avoided big electric current flow through gated transistor, each capacitor, thus protection gated transistor and capacitor.
Be connected with first battery between the cathode terminal of described first rectifier and the neutral line, be connected with first thyristor between the cathode terminal of first rectifier and first battery, be connected with second battery between the anode tap of second rectifier and the neutral line, be connected with second thyristor between the anode tap of second rectifier and second battery.The increasing apparatus of uninterrupted power supply of the present utility model is controlled to be the master with integrated IC, by being aided with DSP control, makes under battery and the civil power switch instances, can be steadily excessively and guarantee to supply with the stablizing of direct voltage voltage of inverter.
Description of drawings
Fig. 1 is an electrical block diagram of the present utility model;
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, the increasing apparatus of uninterrupted power supply of the present utility model, comprise input contactor T1, switch S, neutral line N, and connect one first inductance L 1 at the cathode terminal of first rectifier 1, the three-phase half wave retifier that first rectifier is made of three diodes, the anode tap of three diodes of first rectifier 1 is connected with three phase mains respectively.The other end of first inductance L 1 is connected with the collector electrode of the first gated transistor IGBT1, the emitter of the first gated transistor IGBT1 connects neutral line N, the grid of first gated transistor connects first driving governor 11, and this first driving governor 11 drives platelet by 3854BN controller and 316 and forms.Be connected first capacitor between the collector electrode of first gated transistor and the neutral line, first capacitor is made up of capacitor C 1 and capacitor C 2, and first capacitor has the effect of filtering and voltage stabilizing.Be connected with the first battery BAT1 between the cathode terminal of first rectifier 1 and the neutral line N.Be connected with the first thyristor SCR1 between the cathode terminal of first rectifier 1 and the first battery BAT1, be connected with the first diode D1 between the collector electrode of the first gated transistor IGBT1 and first capacitor.
The anode tap of second rectifier 2 connects one second three-phase half wave retifier that inductance L 2, the second rectifiers 2 are made of three diodes, and the cathode terminal of three diodes of second rectifier 2 is connected with three phase mains respectively.The other end of second inductance L 2 is connected with the collector electrode of the second gated transistor IGBT2, the emitter of the second gated transistor IGBT2 connects neutral line N, the grid of second gated transistor connects second driving governor, 22, the second driving governors and is made up of 3854BN controller and 316 driving platelets.Be connected second capacitor between the collector electrode of second gated transistor and the neutral line, second capacitor is made up of capacitor C 3 and capacitor C 4, and first capacitor has the effect of filtering and voltage stabilizing.Be connected with the second battery BAT2 between the anode tap of second rectifier 22 and the neutral line.Be connected with the second thyristor SCR2 between the anode tap of second rectifier 2 and second battery.Be connected with the second diode D2 between the collector electrode of second gated transistor and second capacitor.
Civil power just often, input contactor T1 adhesive, the first thyristor SCR1 disconnects, civil power becomes direct current through first rectifier 1, this direct voltage through form by the capacitor C 1 of first inductance L 1, the first gated transistor IGBT1, the first diode D1, first capacitor and C2 booster circuit be raised to required positive bus-bar voltage (+BUS).
During the city electrical anomaly, the input contactor disconnects, the first thyristor SCR1 conducting is by being raised to required positive bus-bar voltage (promptly+BUS) by the capacitor C 1 of first inductance L 1, the first gated transistor IGBT1, the first diode D1, first capacitor and the booster circuit that C2 forms with cell voltage.
The flow process of boosting of circuit is:
When the first gated transistor IGBT1 conducting, electric current to 1 charging of first inductance L, produces an induced voltage UL by first inductance L, 1 flat ripple on first inductance.When switch S disconnected, L1 was to load and power supply discharge, and by the first diode D1 rectification, the capacitor C 1 of first capacitor and C2 filtering voltage regulation obtain+BUS voltage, and+BUS is input voltage Ui+ inductance induced voltage UL, thereby boosting is arranged.The duty ratio of regulating IGBT1 just can obtain required+BUS voltage.
Above-mentionedly be+the BOOST course of work, the course of work of-BOOST is the same with it, promptly based on the workflow of the circuit of second rectifier 2 and the second gated transistor IGBT2.
Claims (4)
1. the increasing apparatus of uninterrupted power supply comprises the neutral line, and connects one first inductance at the cathode terminal of first rectifier, it is characterized in that:
The other end of first inductance is connected with the collector electrode of first gated transistor, the emitter of first gated transistor connects the neutral line, the grid of first gated transistor connects first driving governor, is connected first capacitor between the collector electrode of first gated transistor and the neutral line;
The anode tap of second rectifier connects one second inductance, the other end of second inductance is connected with the collector electrode of second gated transistor, the emitter of second gated transistor connects the neutral line, the grid of second gated transistor connects second driving governor, is connected second capacitor between the collector electrode of second gated transistor and the neutral line.
2. the increasing apparatus of uninterrupted power supply according to claim 1, it is characterized in that: be connected with first battery between the cathode terminal of described first rectifier and the neutral line, be connected with first thyristor between the cathode terminal of first rectifier and first battery, be connected with second battery between the anode tap of second rectifier and the neutral line, be connected with second thyristor between the anode tap of second rectifier and second battery.
3. the increasing apparatus of uninterrupted power supply according to claim 1, it is characterized in that: be connected with first diode between the collector electrode of first gated transistor and first capacitor, be connected with second diode between the collector electrode of second gated transistor and second capacitor.
4. the increasing apparatus of uninterrupted power supply according to claim 1 is characterized in that: described first driving governor and second driving governor drive platelets by 3854BN controller and 316 and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200424357U CN201430545Y (en) | 2009-06-19 | 2009-06-19 | Voltage booster device of uninterruptible power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200424357U CN201430545Y (en) | 2009-06-19 | 2009-06-19 | Voltage booster device of uninterruptible power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430545Y true CN201430545Y (en) | 2010-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200424357U Expired - Fee Related CN201430545Y (en) | 2009-06-19 | 2009-06-19 | Voltage booster device of uninterruptible power source |
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| Country | Link |
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| CN (1) | CN201430545Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024641A1 (en) * | 2015-08-13 | 2017-02-16 | 厦门科华恒盛股份有限公司 | Three-phase rectifier boost circuit and control method therefor, and uninterruptible power supply |
| CN108667088A (en) * | 2018-04-05 | 2018-10-16 | 宁波兆科新能源科技有限公司 | It is a kind of to support the lithium battery energy storage battery system with center line UPS |
-
2009
- 2009-06-19 CN CN2009200424357U patent/CN201430545Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024641A1 (en) * | 2015-08-13 | 2017-02-16 | 厦门科华恒盛股份有限公司 | Three-phase rectifier boost circuit and control method therefor, and uninterruptible power supply |
| US10284108B2 (en) | 2015-08-13 | 2019-05-07 | Xiamen Kehua Hengsheng Co., Ltd. | Three-phase boost rectifier circuit and control method thereof, and an uninterrupted power supply |
| CN108667088A (en) * | 2018-04-05 | 2018-10-16 | 宁波兆科新能源科技有限公司 | It is a kind of to support the lithium battery energy storage battery system with center line UPS |
| CN108667088B (en) * | 2018-04-05 | 2023-09-29 | 宁波兆科新能源科技有限公司 | Lithium battery energy storage system supporting UPS with neutral line |
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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: 20100324 Termination date: 20140619 |
|
| EXPY | Termination of patent right or utility model |