CN204835964U - High -pressure wide region three routes export power supply module of integrated integration - Google Patents
High -pressure wide region three routes export power supply module of integrated integration Download PDFInfo
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- CN204835964U CN204835964U CN201520534471.0U CN201520534471U CN204835964U CN 204835964 U CN204835964 U CN 204835964U CN 201520534471 U CN201520534471 U CN 201520534471U CN 204835964 U CN204835964 U CN 204835964U
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Abstract
The utility model discloses a high -pressure wide region three routes export power supply module of integrated integration, including rectifier circuit, filter circuit, master control circuit, vary voltage circuit, feedback circuit, protection circuit and voltage stabilizing circuit, master control circuit is realized by master control power chip U1 and adjunct circuit that U1 adopts the master control power chip FSL4110LR of 7 -DIP encapsulation form, the vary voltage circuit adopts low clearance EPC17 transformer T1 coiling high -frequency transformer and adjunct circuit to realize, the concrete of transformer T1 is around sending out: elementarily - feedback - secondary 1 and 2 duplex windings - secondary 3 - elementary. The utility model discloses input voltage range has reached AC85V -460V, has solved AC380V miniwatt auxiliary electrical power source's problem, and great the cost is reduced has reduced the volume simultaneously, makes power module ization, the miniaturization of high pressure input, easily industrial production.
Description
Technical field
The utility model relates to a kind of power module, specifically, relates to a kind of integrated high pressure wide region three road out-put supply module.
Background technology
Under normal circumstances, the converter exchanging input AC380V conversion dc voltage generally converts low-voltage AC to the transformer of power frequency 50Hz, then through rectifying and wave-filtering, converts three road direct currents to by switch or linear chip.Due to the scope of utility grid AC380V ± 20%, frequency is 50Hz, so its power supply is subject to the restriction of Industrial Frequency Transformer, volume is comparatively large, and heavier-weight, efficiency is low.As transformer T1 in Fig. 1 ensures enough power headroom and draw in inclined scope in input to ensure power output, himself power is at about 15-20W, and its volume is more than 70mm*70mm*50mm, and weight is also at more than 400g.Because power is less, chip IC 1, IC2, IC3 working method are again linear model, and its efficiency by inputoutput test is between 40%-60%.Because efficiency is lower, its caloric value is very large, and its heat radiation also needs very large fin, and its overall weight can reach about 800g.For this kind of situation, a kind of miniaturization of research and development, high-frequency, modular AC/DC high pressure wide region three road out-put supply module, replace three road out-put supplies of traditional Industrial Frequency Transformer mode, will become the direction of following field of power supplies development.
Utility model content
The one that the utility model designs to solve the problems of the technologies described above just integrated high pressure wide region three road out-put supply module.
The utility model solves the technical scheme that its technical problem adopts:
A kind of integrated high pressure wide region three road out-put supply module, comprises rectification circuit, filter circuit, governor circuit, transforming circuit, feedback circuit, protective circuit and voltage stabilizing circuit.Governor circuit is realized by master control power chip U1 and accessory circuit thereof, and U1 adopts the master control power chip FSL4110LR of 7-DIP packing forms; Transforming circuit adopts low clearance EPC17 transformer T1 coiling high frequency transformer and accessory circuit thereof to realize, and the concrete winding of transformer T1 is: elementary-feedback-secondary 1 and 2 and around-secondary 3-is elementary; Elementary 2 pin of 6 and 7 pin connection transformer T1 of master control power chip U1, feed back to 3 pin of master control power chip U1 through photoelectrical coupler U2 after feedback circuit exports sampling from the first via+5V, protective circuit is from the elementary 3 pin samplings of transformer T1, through diode D2, triode Q1 is connected to 2 pin of master control power chip U1; Voltage stabilizing circuit comprises three road voltage-stabilizing output circuits, wherein two-way is exported and is controlled by the coupling of transformer, the transformer secondary output winding that this two-way is corresponding meets two diode D4 and D6 respectively and carries out rectification, realize secondary two groups of coiling Best Coupling, realize the stability of this two output voltage precision; 3rd road secondary winding meets rectifier diode D7, realizes stablizing isolation and amplifier after filter capacitor C24 by step-down chip LM5010.
Described integrated high pressure wide region three road out-put supply module, its input voltage covers AC85-460V, and output voltage covers DC3.3V-DC20V, and constrained input isolation voltage is not less than AC2000V.
Described integrated high pressure wide region three road out-put supply module, every road output voltage coverage can reach DC3.3V-DC20V, exports as symmetrical load.
Described integrated high pressure wide region three road out-put supply module, it adopts plastic shell structure, and the mode of internal entity encapsulation improves integral heat dissipation ability, stability and insulativity.
The utility model has following advantages:
1, volume is that 70mm × 48mm × 24mm(is shown in Fig. 4 and Fig. 5), meet miniaturized, Modular Trends;
2, plane radiating mode, natural cooling effect is better, can use without the need to additional cooling measure;
3, standardization, tandem product design, can adapt to the parameter requests such as high pressure wide region global general-use AC85-460V input voltage, output voltage and power, adaptability is wider;
4, no-load loss, insulation meet CCC and CE standard.
The beneficial effects of the utility model are AC-input voltage, VD wide ranges, and isolation is high, and module work efficiency is high, without the need to external radiator heat radiation, reduce the volume of module, make the power module of high input voltage, miniaturization, be easy to industrial production.
Accompanying drawing explanation
Fig. 1 is the linear chip concept figure of AC380V ± 20% input power.
Fig. 2 is that the utility model AC85-460V inputs three road output switch power source schematic diagrams.
Fig. 3 is the utility model FSL4110LR discontinuous mode operation sequential chart.
Fig. 4, Fig. 5 are the utility model MT6 power module outline drawing.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 2, a kind of integrated high pressure wide region three road of the utility model out-put supply module, comprises rectification circuit, filter circuit, governor circuit, transforming circuit, feedback circuit, protective circuit and voltage stabilizing circuit.Governor circuit is realized by master control power chip U1 and accessory circuit thereof, and U1 adopts the master control power chip FSL4110LR of 7-DIP packing forms; Transforming circuit adopts low clearance EPC17 transformer T1 coiling high frequency transformer and accessory circuit thereof to realize, and the concrete winding of transformer T1 is: elementary-feedback-secondary 1 and 2 and around-secondary 3-is elementary; Elementary 2 pin of 6 and 7 pin connection transformer T1 of master control power chip U1, feed back to 3 pin of master control power chip U1 through photoelectrical coupler U2 after feedback circuit exports sampling from the first via+5V, protective circuit is from the elementary 3 pin samplings of transformer T1, through diode D2, triode Q1 is connected to 2 pin of master control power chip U1; Voltage stabilizing circuit comprises three road voltage-stabilizing output circuits, wherein two-way is exported and is controlled by the coupling of transformer, the transformer secondary output winding that this two-way is corresponding meets two diode D4 and D6 respectively and carries out rectification, realize secondary two groups of coiling Best Coupling, realize the stability of this two output voltage precision; 3rd road secondary winding meets rectifier diode D7, realizes stablizing isolation and amplifier after filter capacitor C24 by step-down chip LM5010.Wherein, diode D6 adopts paster encapsulation, and inductance L 1, L2, L3 and L4 adopt big inductance quantity inductance, and all filter capacitors adopt high pressure resistant electric capacity.
Described integrated high pressure wide region three road out-put supply module, its input voltage covers AC85-460V, and output voltage covers DC3.3V-DC20V, and constrained input isolation voltage is not less than AC2000V.
Described integrated high pressure wide region three road out-put supply module, every road output voltage coverage can reach DC3.3V-DC20V, exports as symmetrical load.
Described integrated high pressure wide region three road out-put supply module, it adopts plastic shell structure, and the mode of internal entity encapsulation improves integral heat dissipation ability, stability and insulativity.
Switch control chip FSL4110LR has following characteristics:
(1) FSL4110LR has the withstand voltage SenseFET of 1000V, so this power chip can meet the wide input range of AC85-460V input;
The voltage levels of (2) 4 pin can adjust the height of power module input overvoltage protection;
(3) output overcurrent protection is shutoff formula, and when exceeding setting electric current, output current output voltage turns off, and when electric current returns to set point, automatically recovers to export;
(4) built-in inside starts and soft starting circuit, and for the safety automation restarting mode of all defencive functions, fixing reboot time is 1.6S.Chip internal adopts soft operated in batch mode, farthest reduces audio-frequency noise.
FSL4110LR mode of operation is discontinuous operation pattern.For farthest reducing the power consumption under standby mode, FSL4110LR can enter burst mode.Along with load reduction, feedback voltage also can reduce.When feedback voltage be down to VBURL (400mV) below time, device enters intermittent mode automatically, as shown in Figure 3.Now, switching manipulation will stop, and output voltage starts to reduce, and the speed of reduction depends on standby current load.This can cause feedback voltage to rise.Once this value is more than VBURH (500mV), switching manipulation will recover.Feedback voltage decreases, and this process repeats.Intermittent mode can replace switching manipulation that is enable and forbidding SenseFET, thus reduces the switching loss under standby mode.In addition, the soft interval of audible noise is also reduced.
FSL4110LR also has many functions, as selectable input over-voltage protection point, turns off the output overcurrent protection of formula, the autoboot etc. of defencive function.
As transformer T1 employing in Fig. 2 is high frequency transformer, under this power module is operated in the switching frequency of 50kHz, just can meet with the EPC17 transformer that volume is 18.2mm*23.2mm*9.9mm the power requirement that power supply three tunnel exports 8W altogether.
Following table is the characteristic described in the utility model background pp product and height dimension.
The utility model is not limited to above-mentioned preferred forms, anyone other any or akin products identical with the utility model drawn under enlightenment of the present utility model, all drops within protection range of the present utility model.
Claims (4)
1. an integrated high pressure wide region three road out-put supply module, comprises rectification circuit, filter circuit, governor circuit, transforming circuit, feedback circuit, protective circuit and voltage stabilizing circuit; It is characterized in that: governor circuit is realized by master control power chip U1 and accessory circuit thereof, and U1 adopts the master control power chip FSL4110LR of 7-DIP packing forms; Transforming circuit adopts low clearance EPC17 transformer T1 coiling high frequency transformer and accessory circuit thereof to realize, and the concrete winding of transformer T1 is: elementary-feedback-secondary 1 and 2 and around-secondary 3-is elementary; Elementary 2 pin of 6 and 7 pin connection transformer T1 of master control power chip U1, feed back to 3 pin of master control power chip U1 through photoelectrical coupler U2 after feedback circuit exports sampling from the first via+5V, protective circuit is from the elementary 3 pin samplings of transformer T1, through diode D2, triode Q1 is connected to 2 pin of master control power chip U1; Voltage stabilizing circuit comprises three road voltage-stabilizing output circuits, wherein two-way is exported and is controlled by the coupling of transformer, the transformer secondary output winding that this two-way is corresponding meets two diode D4 and D6 respectively and carries out rectification, realize secondary two groups of coiling Best Coupling, realize the stability of this two output voltage precision; 3rd road secondary winding meets rectifier diode D7, realizes stablizing isolation and amplifier after filter capacitor C24 by step-down chip LM5010.
2. integrated high pressure wide region three road according to claim 1 out-put supply module, is characterized in that: input voltage covers AC85-460V, and output voltage covers DC3.3V-DC20V, and constrained input isolation voltage is not less than AC2000V.
3. integrated high pressure wide region three road according to claim 1 out-put supply module, is characterized in that: every road output voltage coverage can reach DC3.3V-DC20V, exports as symmetrical load.
4. integrated high pressure wide region three road according to claim 1 out-put supply module, is characterized in that: adopt plastic shell structure, and the mode of internal entity encapsulation improves integral heat dissipation ability, stability and insulativity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520534471.0U CN204835964U (en) | 2015-07-22 | 2015-07-22 | High -pressure wide region three routes export power supply module of integrated integration |
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| CN201520534471.0U CN204835964U (en) | 2015-07-22 | 2015-07-22 | High -pressure wide region three routes export power supply module of integrated integration |
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| CN204835964U true CN204835964U (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712506A (en) * | 2017-01-22 | 2017-05-24 | 郑州信工智能化系统有限公司 | Voltage reduction type switching power supply with super-wide input voltage and adjustable output voltage |
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2015
- 2015-07-22 CN CN201520534471.0U patent/CN204835964U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712506A (en) * | 2017-01-22 | 2017-05-24 | 郑州信工智能化系统有限公司 | Voltage reduction type switching power supply with super-wide input voltage and adjustable output voltage |
| CN106712506B (en) * | 2017-01-22 | 2019-06-21 | 郑州信工智能化系统有限公司 | The adjusting and voltage-reduction switch power supply of ultra-wide input voltage adjustable output voltage |
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