CN205231751U - Energy -conserving steady voltage switching power supply - Google Patents
Energy -conserving steady voltage switching power supply Download PDFInfo
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- CN205231751U CN205231751U CN201521067380.7U CN201521067380U CN205231751U CN 205231751 U CN205231751 U CN 205231751U CN 201521067380 U CN201521067380 U CN 201521067380U CN 205231751 U CN205231751 U CN 205231751U
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- transistor
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- electrically connected
- pwm control
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Direct Current Feeding And Distribution (AREA)
Abstract
The utility model discloses an energy -conserving steady voltage switching power supply, including transformer, resistance network, voltage stabilizing element, the first transistor, stabilivolt, diode, second transistor, PWM control and series connection TVS pipe assembly, negative terminal end electric connection in the grid of the first transistor of stabilivolt, the anode electric connection of diode in plus resistance or inductance, just negative terminal electric connection in the tie point of resistance network and series connection TVS pipe assembly of diode, plus the input electric connection of resistance or inductance in PWM control section's supply circuit, PWM control section's supply circuit connects the auxiliary winding rectifying tube negative terminal of transformer. The utility model discloses the increase resistance and the voltage stabilizing element of design in the circuit have functions such as effect, partial pressure effect and the stabilizing the voltage of isolation, consequently the utility model relates to a rationally, simple structure can guarantee switching power supply series connection power tube job stabilization nature.
Description
Technical field
The utility model belongs to power technique fields, is specifically related to a kind of energy-conservation voltage-stabilizing switch power source.
Background technology
In recent years, country vigorously advocates green energy resource and energy-saving and emission-reduction, and the widely using of non-linearization load, idle and harmonic wave is injected in electrical network in a large number, causes severe contamination, the efficiency of electrical network is reduced to electrical network.For a change this situation, needs convertor assembly to realize current on line side sineization, and makes net side run on unit power factor, to reach the object reducing electric network reactive-load and harmonic pollution.Most convertor equipment has rectification link, and existence requires in a large number with the equipment of DC power supply and device, traditional rectification link widely uses diode and to deploy to ensure effective monitoring and control of illegal activities rectification or Thyristor Controlled rectification, a large amount of harmonic wave and reactive power can be injected to electrical network, and current rectifying and wave filtering circuit carries out AC/DC conversion, can realize current on line side sineization, guarantor unit's power factor (PF) is run, and receives the concern of people gradually.
Utility model content
The purpose of this utility model is to provide a kind of energy-conservation voltage-stabilizing switch power source, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of energy-conservation voltage-stabilizing switch power source, comprise transformer, resistor network, voltage stabilizing element, the first transistor, voltage-stabiliser tube, diode, transistor seconds, series connection TVS pipe assembly and PWM control section, the elementary of described transformer is electrically connected with leakage inductance energy uptake pathway, and the elementary of described transformer is electrically connected with rectifier diode and auxiliary output filter capacitor, the secondary of described transformer is electrically connected with rectifier diode and output filter capacitor, described the first transistor is positioned at the top of transistor seconds, and the first transistor and transistor seconds series connection, one termination input anode of described resistor network, and the other end of resistor network is electrically connected series connection TVS pipe assembly, an other termination input negative terminal of described series connection TVS pipe assembly, the tie point of described resistor network and series connection TVS pipe assembly receives the grid of the first transistor through voltage stabilizing element, the anode of described voltage-stabiliser tube is electrically connected at the source electrode of the first transistor, the negative terminal end of described voltage-stabiliser tube is electrically connected at the grid of the first transistor, the anode of described diode is electrically connected at external resistor, and the negative terminal of described diode is electrically connected at the tie point of resistor network and series connection TVS pipe assembly, the other end of described external resistor is connected to the feeder ear of PWM control section circuit, the feeder ear of described PWM control section circuit is connected to the tie point of rectifier diode and auxiliary output filter capacitor.
Preferably, described voltage stabilizing element is inductance or resistance.
Preferably, the other end of described external resistor is connected to the feeder ear of PWM control section circuit, and the feeder ear of described PWM control section circuit is connected to the tie point of the auxiliary output filter capacitor of rectifier diode.
Technique effect of the present utility model and advantage: this energy-conservation voltage-stabilizing switch power source, compared with traditional Switching Power Supply, power tube series circuit of the present utility model only relies on low side to drive, thus realizes the switch consistency of whole Series power pipe; Meanwhile, the increase resistance that designs in circuit of the utility model and voltage stabilizing element have the functions such as isolation effect, dividing potential drop effect and burning voltage; Therefore the utility model is reasonable in design, and structure is simple, can ensure the stability of switch power supply power tube tandem working.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1 transformer, 2 leakage inductance energy uptake pathway, 3 rectifier diodes, 4 output filter capacitors, 5 resistor networks, 6 voltage stabilizing elements, 7 the first transistors, 8 voltage-stabiliser tubes, 9 diodes, 10 transistor secondses, 11 series connection TVS pipe assemblies, 12PWM control section circuit, 13 auxiliary winding rectifier diode, 14 external resistors, 15 auxiliary power supply filter capacitors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides the energy-conservation voltage-stabilizing switch power source of one as shown in Figure 1, comprise transformer (1), resistor network (5), voltage stabilizing element (6), the first transistor (7), voltage-stabiliser tube (8), diode (9), transistor seconds (10), series connection TVS pipe assembly (11) and PWM control section (12), it is characterized in that: the elementary of described transformer (1) is electrically connected with leakage inductance energy uptake pathway (2), and the elementary of described transformer (1) is electrically connected with rectifier diode (13) and auxiliary output filter capacitor (15), the secondary of described transformer (1) is electrically connected with rectifier diode (3) and output filter capacitor (4), described the first transistor (7) is positioned at the top of transistor seconds (10), and the first transistor (7) and transistor seconds (10) series connection, one termination input anode of described resistor network (5), and the other end of resistor network (5) is electrically connected series connection TVS pipe assembly (11), an other termination input negative terminal of described series connection TVS pipe assembly (11), the tie point of described resistor network (5) and series connection TVS pipe assembly (11) receives the grid of the first transistor (7) through voltage stabilizing element (6), the anode of described voltage-stabiliser tube (8) is electrically connected at the source electrode of the first transistor (7), the negative terminal end of described voltage-stabiliser tube (8) is electrically connected at the grid of the first transistor (7), the anode of described diode (9) is electrically connected at external resistor (14), and the negative terminal of described diode (9) is electrically connected at the tie point of resistor network (5) and series connection TVS pipe assembly (11), the other end of described external resistor (14) is connected to the feeder ear of PWM control section circuit (12), the feeder ear of described PWM control section circuit (12) is connected to the tie point of rectifier diode (13) and auxiliary output filter capacitor (15).
Technique effect of the present utility model and advantage: this energy-conservation voltage-stabilizing switch power source, compared with traditional Switching Power Supply, power tube series circuit of the present utility model only relies on low side to drive, thus realizes the switch consistency of whole Series power pipe; Meanwhile, the increase resistance that designs in circuit of the utility model and voltage stabilizing element have the functions such as isolation effect, dividing potential drop effect and burning voltage; Therefore the utility model is reasonable in design, and structure is simple, can ensure the stability of switch power supply power tube tandem working.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. an energy-conservation voltage-stabilizing switch power source, comprise transformer (1), resistor network (5), voltage stabilizing element (6), the first transistor (7), voltage-stabiliser tube (8), diode (9), transistor seconds (10), series connection TVS pipe assembly (11) and PWM control section (12), it is characterized in that: the elementary of described transformer (1) is electrically connected with leakage inductance energy uptake pathway (2), and the elementary of described transformer (1) is electrically connected with rectifier diode (13) and auxiliary output filter capacitor (15), the secondary of described transformer (1) is electrically connected with rectifier diode (3) and output filter capacitor (4), described the first transistor (7) is positioned at the top of transistor seconds (10), and the first transistor (7) and transistor seconds (10) series connection, one termination input anode of described resistor network (5), and the other end of resistor network (5) is electrically connected series connection TVS pipe assembly (11), an other termination input negative terminal of described series connection TVS pipe assembly (11), the tie point of described resistor network (5) and series connection TVS pipe assembly (11) receives the grid of the first transistor (7) through voltage stabilizing element (6), the anode of described voltage-stabiliser tube (8) is electrically connected at the source electrode of the first transistor (7), the negative terminal end of described voltage-stabiliser tube (8) is electrically connected at the grid of the first transistor (7), the anode of described diode (9) is electrically connected at external resistor (14), and the negative terminal of described diode (9) is electrically connected at the tie point of resistor network (5) and series connection TVS pipe assembly (11), the other end of described external resistor (14) is connected to the feeder ear of PWM control section circuit (12), the feeder ear of described PWM control section circuit (12) is connected to the tie point of rectifier diode (13) and auxiliary output filter capacitor (15).
2. the energy-conservation voltage-stabilizing switch power source of one according to claim 1, is characterized in that: described voltage stabilizing element (6) is inductance or resistance.
3. the energy-conservation voltage-stabilizing switch power source of one according to claim 1, it is characterized in that: the other end of described external resistor (14) is connected to the feeder ear of PWM control section circuit (12), the feeder ear of described PWM control section circuit (12) is connected to the tie point of rectifier diode (13) and auxiliary output filter capacitor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067380.7U CN205231751U (en) | 2015-12-21 | 2015-12-21 | Energy -conserving steady voltage switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521067380.7U CN205231751U (en) | 2015-12-21 | 2015-12-21 | Energy -conserving steady voltage switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205231751U true CN205231751U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521067380.7U Active CN205231751U (en) | 2015-12-21 | 2015-12-21 | Energy -conserving steady voltage switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205231751U (en) |
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2015
- 2015-12-21 CN CN201521067380.7U patent/CN205231751U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |