CN105207501A - Switching power supply capable of resisting 20 KV lightning strokes - Google Patents
Switching power supply capable of resisting 20 KV lightning strokes Download PDFInfo
- Publication number
- CN105207501A CN105207501A CN201510705927.XA CN201510705927A CN105207501A CN 105207501 A CN105207501 A CN 105207501A CN 201510705927 A CN201510705927 A CN 201510705927A CN 105207501 A CN105207501 A CN 105207501A
- Authority
- CN
- China
- Prior art keywords
- coiling
- winding
- power supply
- wheat
- turns
- 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.)
- Granted
Links
Landscapes
- Coils Of Transformers For General Uses (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to a switching power supply capable of resisting 20 KV lightning strokes. The switching power supply mainly comprises a lightning resistant surge circuit and a main circuit of the switching power supply, wherein the lightning resistant surge circuit comprises a voltage dependent resistor VR1, a thermistor NTC, a fuse F1, a common mode filtering noise inductor L1 which are connected in series sequentially to form a loop; the front end of the inductor L1 is connected in parallel with the series circuit of resistors (R23 and R24), and is connected in parallel with the a capacitor CX; the rear end of the inductor L1 is connected in parallel with small-dimension voltage dependent resistor VR2; resistors (R26 and R27) are connected in parallel with two ends of the inductor L1; the rear end of the lightning resistant surge circuit is connected with a rectifying module of the main circuit; the transformer unit of the main circuit is used for reducing leakage current on between the primary side and the secondary side of the power supply according to an internal shielding method and an external shield method. The switching power supply can resist the 20 KV lightning strokes, and the lightning resistant surge circuit can effectively protect the power supply without impacting stable output of the power supply.
Description
Technical field
The present invention relates to field of switch power, particularly relate to a kind of can the Switching Power Supply of anti-20KV thunderbolt.
Background technology
Along with popularizing of various domestic electronic appliances, Switching Power Supply application is more and more extensive, the requirement of market to Switching Power Supply is also more and more higher, regular tap power supply designs and does not reach market demands in lightning Protection, major part can only reach 6KV thunderbolt Distribution Test, some products even do not reach minimum 1KV requirement, the large portion of the Switching Power Supply that market is sold just is not come into the market by surge test, do not do anti-lightning surge effective protection measure, by to the investigation of marketing users with fact proved, as TV set-top box is powered, television set, the equipment such as DVD, under the severe multiple environment of regional thunder and lightning, season as multiple in Summer Lightning, high voltage surge enters electrical network, enter Switching Power Supply L, N holds, the damage of some Switching Power Supplies is caused not work, have influence on the use of family and industrial equipment, also cause certain hidden danger simultaneously, Chang Huixian causes power supply to damage, equipment is caused to work, life-span is short, the lifestyle device needs of industry-by-industry and the people cannot be met.
Summary of the invention
In order to solve the problems of the technologies described above, provide a kind of can the Switching Power Supply of anti-20KV thunderbolt, the invention provides following technical scheme:
A kind of can the Switching Power Supply of anti-20KV thunderbolt, comprise rectification module, main circuit conversion module, secondary commutation voltage reduction module, voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module, described rectification module input termination AC network, output and main circuit conversion module, secondary commutation voltage reduction module connects successively, described secondary commutation voltage reduction module is by voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module is connected to main circuit conversion module and forms feedback circuit, described secondary commutation voltage reduction module exports as Switching Power Supply exports,
Described rectification circuit front end is also connected with anti-lightning surge circuit, described anti-lightning surge circuit comprise connect successively and form piezo-resistance VR1, the thermistor NTC in loop, fuse F1, common mode filter noise inductance L 1, the series circuit of front end parallel resistance R23 and the R24 of described inductance L 1, simultaneously shunt capacitance CX, the rear end small dimension piezo-resistance VR2 in parallel of described inductance L 1, the two ends parallel resistance R26 of described inductance L 1 and R27, when there is surge impact in electrical network in power supply AC end, discharge through NTC and VR1 series circuit, first via NTC current limliting, inrush current is reduced, instantaneous short circuit electric discharge is carried out again by VR1, front input front end is by surge filtering, because lightning surge voltage energy is enough large, reach 20KV, so residual scurry into back end of line time, moment inverse electromotive force can be produced in common mode filtered noise inductance L 1 coil of power supply, inverse electromotive force can with the surge voltage superposition of original electrical network, produce larger surge to damage inner circuit pack, so the two ends parallel discharge resistance of L1 inductance in the line, to consume the moment induced voltage produced, the small dimension piezo-resistance VR2 in parallel in L1 rear end simultaneously, with the residual voltage that discharge type consumption is scurried into, reach when to introduce surge impact between electrical network L and N line and power supply is effectively protected, do not affect the stable output of product simultaneously.
The method of internal shield and exterior shield that adopts transformer unit in described main circuit conversion module reduces the leakage current between primary side and secondary side, described internal shield for increase winding and Copper Foil between former limit and secondary, and draw the place of working that an end receives former limit, described exterior shield is be close to magnetic core and the coated one deck Copper Foil of winding in the outside of transformer, this one deck Copper Foil will close, and forms a loop checking installation.Winding or Copper Foil is increased between former limit and secondary, drawing an end receives above the place of working on former limit, main purpose is that the common mode interference signal on former limit is back to harassing and wrecking source by screen, if there is no this screen, there is a common mode interference signal will be delivered to secondary by the layer capacitance between former vice-side winding, thus cause the EMI problem of output.The leakage inductance magnetic field of transformer is not closed in magnetic core inside, but leaks into space outerpace, and when frequency applications, stronger stray field can induce voltage on the closed-loop path at input and output port, causes EMI test result to be deteriorated.If there is exterior shield layer, according to electromagnetic induction principle, in screen, can electric current be induced, form contrary magnetic field, offset the impact of Magnetic Leakage Field of Transformer.
Further, the winding method of described inside transformer shielding comprises winding E1, N1, E2, N2, N3, E3 of carrying out successively;
The coiling step of described winding E1 is, S11: first at transformer framework two ends difference coiling 1Ts marginal belt;
S12: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S13: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S14: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N1 is, S21: at transformer framework two ends difference coiling 3Ts marginal belt; S22: the enamelled wire one end by the Furtulon sleeve pipe box of 28L in diameter being 0.35mm, described Furtulon sleeve length of tube is to the half of marginal belt;
S23: coiling enamelled wire, the coiling number of turns is 38Ts;
S24: after enamelled wire coiling completes, equally the Teflon sleeve pipe of 28L on other end cover, described Furtulon sleeve length of tube to edge to half;
S25: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding E2 is, S31: at transformer framework two ends difference coiling 1Ts marginal belt; S32: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S33: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S34: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N2 is, S41: overturn by transformer, primary side is towards coil winding machine;
S42: at transformer framework two ends difference coiling 6Ts marginal belt;
S43: coiling diameter is the heavy insulation enamelled wire of 0.6mm, two enamelled wire coilings simultaneously, two heavy insulation enamelled wires are enclosed within the Teflon sleeve pipe of a 16L by point of incoming cables, described heavy insulation enamelled wire coiling 5Ts, and outlet still puts the Teflon pipe of 16L;
S44: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
S45: two 16L Teflon Guan Wei in step S43 are put the Teflon pipe of 13L again by one end that wheat draws adhesive tape to wrap up;
The coiling step of described winding N3 is, S51: at transformer framework two ends difference coiling 1Ts marginal belt;
S52: two strands of diameters are the enamelled wire coiling 5Ts of 0.2mm;
S53: the Teflon sleeve pipe putting 26L, length is to marginal belt half position;
S54: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 3.2Ts;
The coiling step of described winding E3 is, S61: suppressed by Copper Foil on gum, coiling 0.9Ts;
S62: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length is to marginal belt half position;
S63: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The winding method of described exterior shield comprises the following steps, S71: outside is close to magnetic core and is wrapped wheat and draw adhesive tape, and the coiling number of turns is 3Ts;
S72: coiling winding E4, Copper Foil is suppressed on gum, wrap up whole winding technique 1.1Ts;
S73: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length by solder joint to transformer pin;
S74: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 3.2Ts;
S75: skin is wrapped wheat and drawn adhesive tape.
Further, need in the middle of the bifilar enamelled wire of the step S52 coiling of described winding N3 close around, leakage inductance is little, efficiency is high.
Further, the step S45 of described winding N2 can wrap up wheat again and draws adhesive tape, with practical operation situation for foundation for first putting 13L Teflon sleeve pipe.
Beneficial effect of the present invention is: anti-lightning ability promotes greatly, the highest can anti-20KV lightning surge, can available protecting power supply, do not affect the stable output of product simultaneously.
Accompanying drawing explanation
Fig. 1, anti-lightning surge circuit schematic diagram
Fig. 2, circuit structure block diagram of the present invention
Fig. 3, Transformer Winding schematic diagram
Embodiment
As Figure 1-3 a kind of can the Switching Power Supply of anti-20KV thunderbolt, comprise rectification module, main circuit conversion module, secondary commutation voltage reduction module, voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module, described rectification module input termination AC network, output and main circuit conversion module, secondary commutation voltage reduction module connects successively, described secondary commutation voltage reduction module is by voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module is connected to main circuit conversion module and forms feedback circuit, described secondary commutation voltage reduction module exports as Switching Power Supply exports,
Described rectification circuit front end is also connected with anti-lightning surge circuit, described anti-lightning surge circuit comprise connect successively and form piezo-resistance VR1, the thermistor NTC in loop, fuse F1, common mode filter noise inductance L 1, the series circuit of front end parallel resistance R23 and the R24 of described inductance L 1, simultaneously shunt capacitance CX, the rear end small dimension piezo-resistance VR2 in parallel of described inductance L 1, the two ends parallel resistance R26 of described inductance L 1 and R27, when there is surge impact in electrical network in power supply AC end, discharge through NTC and VR1 series circuit, first via NTC current limliting, inrush current is reduced, instantaneous short circuit electric discharge is carried out again by VR1, front input front end is by surge filtering, because lightning surge voltage energy is enough large, reach 20KV, so residual scurry into back end of line time, moment inverse electromotive force can be produced in common mode filtered noise inductance L 1 coil of power supply, inverse electromotive force can with the surge voltage superposition of original electrical network, produce larger surge to damage inner circuit pack, so the two ends parallel discharge resistance of L1 inductance in the line, to consume the moment induced voltage produced, the small dimension piezo-resistance VR2 in parallel in L1 rear end simultaneously, with the residual voltage that discharge type consumption is scurried into, reach when to introduce surge impact between electrical network L and N line and power supply is effectively protected, do not affect the stable output of product simultaneously.
The method of internal shield and exterior shield that adopts transformer unit in described main circuit conversion module reduces the leakage current between primary side and secondary side, described internal shield for increase winding and Copper Foil between former limit and secondary, and draw the place of working that an end receives former limit, described exterior shield is be close to magnetic core and the coated one deck Copper Foil of winding in the outside of transformer, this one deck Copper Foil will close, and forms a loop checking installation.Winding or Copper Foil is increased between former limit and secondary, drawing an end receives above the place of working on former limit, main purpose is that the common mode interference signal on former limit is back to harassing and wrecking source by screen, if there is no this screen, there is a common mode interference signal will be delivered to secondary by the layer capacitance between former vice-side winding, thus cause the EMI problem of output.The leakage inductance magnetic field of transformer is not closed in magnetic core inside, but leaks into space outerpace, and when frequency applications, stronger stray field can induce voltage on the closed-loop path at input and output port, causes EMI test result to be deteriorated.If there is exterior shield layer, according to electromagnetic induction principle, in screen, can electric current be induced, form contrary magnetic field, offset the impact of Magnetic Leakage Field of Transformer.
The winding method of described inside transformer shielding comprises winding E1, N1, E2, N2, N3, E3 of carrying out successively;
The coiling step of described winding E1 is, S11: first at transformer framework two ends difference coiling 1Ts marginal belt; S12: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S13: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S14: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N1 is, S21: at transformer framework two ends difference coiling 3Ts marginal belt;
S22: the enamelled wire one end by the Furtulon sleeve pipe box of 28L in diameter being 0.35mm, described Furtulon sleeve length of tube is to the half of marginal belt;
S23: coiling enamelled wire, the coiling number of turns is 38Ts;
S24: after enamelled wire coiling completes, equally the Teflon sleeve pipe of 28L on other end cover, described Furtulon sleeve length of tube to edge to half;
S25: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding E2 is, S31: at transformer framework two ends difference coiling 1Ts marginal belt;
S32: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S33: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S34: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N2 is, S41: overturn by transformer, primary side is towards coil winding machine;
S42: at transformer framework two ends difference coiling 6Ts marginal belt;
S43: coiling diameter is the heavy insulation enamelled wire of 0.6mm, two enamelled wire coilings simultaneously, two heavy insulation enamelled wires are enclosed within the Teflon sleeve pipe of a 16L by point of incoming cables, described heavy insulation enamelled wire coiling 5Ts, and outlet still puts the Teflon pipe of 16L;
S44: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
S45: two 16L Teflon Guan Wei in step S43 are put the Teflon pipe of 13L again by one end that wheat draws adhesive tape to wrap up;
The coiling step of described winding N3 is, S51: at transformer framework two ends difference coiling 1Ts marginal belt;
S52: two strands of diameters are the enamelled wire coiling 5Ts of 0.2mm; Middle close around;
S53: the Teflon sleeve pipe putting 26L, length is to marginal belt half position;
S54: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 3.2Ts;
The coiling step of described winding E3 is, S61: suppressed by Copper Foil on gum, coiling 0.9Ts;
S62: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length is to marginal belt half position;
S63: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The winding method of described exterior shield comprises the following steps, S71: outside is close to magnetic core and is wrapped wheat and draw adhesive tape, and the coiling number of turns is 3Ts;
S72: coiling winding E4, Copper Foil is suppressed on gum, wrap up whole winding technique 1.1Ts;
S73: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length by solder joint to transformer pin;
S74: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 3.2Ts;
S75: skin is wrapped wheat and drawn adhesive tape.
Claims (4)
1. one kind can the Switching Power Supply of anti-20KV thunderbolt, comprise rectification module, main circuit conversion module, secondary commutation voltage reduction module, voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module, described rectification module input termination AC network, output and main circuit conversion module, secondary commutation voltage reduction module connects successively, described secondary commutation voltage reduction module is by voltage monitoring stability contorting module, Voltage Feedback control module, PWM control module is connected to main circuit conversion module and forms feedback circuit, described secondary commutation voltage reduction module exports as Switching Power Supply exports,
It is characterized in that: described rectification circuit front end is also connected with anti-lightning surge circuit, described anti-lightning surge circuit comprise connect successively and form piezo-resistance VR1, the thermistor NTC in loop, fuse F1, common mode filter noise inductance L 1; The series circuit of front end parallel resistance R23 and the R24 of described inductance L 1, simultaneously shunt capacitance CX; The rear end small dimension piezo-resistance VR2 in parallel of described inductance L 1; The two ends parallel resistance R26 of described inductance L 1 and R27; The method of internal shield and exterior shield that adopts transformer unit in described main circuit conversion module reduces the leakage current between primary side and secondary side, described internal shield for increase winding and Copper Foil between former limit and secondary, and draw the place of working that an end receives former limit, described exterior shield is be close to magnetic core and the coated one deck Copper Foil of winding in the outside of transformer, this one deck Copper Foil will close, and forms a loop checking installation.
2. a kind of as claimed in claim 1 can the Switching Power Supply of anti-20KV thunderbolt, it is characterized in that: the winding method of described inside transformer shielding comprises winding E1, N1, E2, N2, N3, E3 of carrying out successively;
The coiling step of described winding E1 is, S11: first at transformer framework two ends difference coiling 1Ts marginal belt;
S12: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S13: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S14: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N1 is, S21: at transformer framework two ends difference coiling 3Ts marginal belt;
S22: the enamelled wire one end by the Furtulon sleeve pipe box of 28L in diameter being 0.35mm, described Furtulon sleeve length of tube is to the half of marginal belt;
S23: coiling enamelled wire, the coiling number of turns is 38Ts;
S24: after enamelled wire coiling completes, equally the Teflon sleeve pipe of 28L on other end cover, described Furtulon sleeve length of tube to edge to half;
S25: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding E2 is, S31: at transformer framework two ends difference coiling 1Ts marginal belt;
S32: coiling width is the gum of 13mm between the marginal zone of both sides, affixes the Teflon sleeve pipe of 30L, and described Teflon sleeve upper end is positioned at gum medium position, and lower end, to marginal belt half position, arranges the lead-in wire of 0.16mm in Teflon sleeve pipe;
S33: Copper Foil is wound in Teflon pipe upper end position, the coiling number of turns is 0.9Ts;
S34: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding N2 is, S41: overturn by transformer, primary side is towards coil winding machine;
S42: at transformer framework two ends difference coiling 6Ts marginal belt;
S43: coiling diameter is the heavy insulation enamelled wire of 0.6mm, two enamelled wire coilings simultaneously, two heavy insulation enamelled wires are enclosed within the Teflon sleeve pipe of a 16L by point of incoming cables, described heavy insulation enamelled wire coiling 5Ts, and outlet still puts the Teflon pipe of 16L;
S44: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
S45: two 16L Teflon Guan Wei in step S43 are put the Teflon pipe of 13L again by one end that wheat draws adhesive tape to wrap up;
The coiling step of described winding N3 is, S51: at transformer framework two ends difference coiling 1Ts marginal belt;
S52: two strands of diameters are the enamelled wire coiling 5Ts of 0.2mm;
S53: the Teflon sleeve pipe putting 26L, length is to marginal belt half position;
S54: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The coiling step of described winding E3 is, S61: suppressed by Copper Foil on gum, coiling 0.9Ts;
S62: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length is to marginal belt half position;
S63: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 2.2Ts;
The winding method of described exterior shield comprises the following steps, S71: outside is close to magnetic core and is wrapped wheat and draw adhesive tape, and the coiling number of turns is 3Ts;
S72: suppressed by Copper Foil on gum, wraps up whole winding technique 1.1Ts;
S73: the Teflon sleeve pipe of 30L from the 0.16mm lead-in wire cover that Copper Foil is drawn, length by solder joint to transformer pin;
S74: coiling width is that the wheat of 15mm draws adhesive tape, and the coiling number of turns is 3Ts;
S75: skin is wrapped wheat and drawn adhesive tape.
3. a kind of as claimed in claim 2 can the Switching Power Supply of anti-20KV thunderbolt, it is characterized in that: need in the middle of the bifilar enamelled wire of the step S52 coiling of described winding N3 close around.
4. a kind of as claimed in claim 2 can the Switching Power Supply of anti-20KV thunderbolt, it is characterized in that: the step S45 of described winding N2 can wrap up wheat again and draws adhesive tape for first putting 13L Teflon sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705927.XA CN105207501B (en) | 2015-10-27 | 2015-10-27 | It is a kind of can anti-20KV lightning stroke Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510705927.XA CN105207501B (en) | 2015-10-27 | 2015-10-27 | It is a kind of can anti-20KV lightning stroke Switching Power Supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105207501A true CN105207501A (en) | 2015-12-30 |
| CN105207501B CN105207501B (en) | 2018-04-24 |
Family
ID=54954995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510705927.XA Active CN105207501B (en) | 2015-10-27 | 2015-10-27 | It is a kind of can anti-20KV lightning stroke Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105207501B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058400A (en) * | 2016-06-24 | 2016-10-26 | 德清利维通讯科技股份有限公司 | Combiner with lightning protection function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012125A (en) * | 1987-06-03 | 1991-04-30 | Norand Corporation | Shielded electrical wire construction, and transformer utilizing the same for reduction of capacitive coupling |
| US20090289755A1 (en) * | 2008-05-20 | 2009-11-26 | Sercomm Corporation | Transformer apparatus with shielding architecture and shielding method thereof |
| CN201774717U (en) * | 2010-08-26 | 2011-03-23 | 佛山市顺德区瑞德电子实业有限公司 | SCR resonance half-bridge based LED streetlamp drive power circuit |
| CN201804683U (en) * | 2010-10-09 | 2011-04-20 | 新电元(上海)电器有限公司 | Lightningproof transformer |
| CN102202447A (en) * | 2011-04-22 | 2011-09-28 | 威海东兴电子有限公司 | Heat-resistant and lightning proof LED driving power supply without electrolytic capacitor |
| CN202333793U (en) * | 2011-11-17 | 2012-07-11 | 东莞市盈聚电子有限公司 | Lightning prevention surge circuit of power adapter |
| CN103094892A (en) * | 2013-01-16 | 2013-05-08 | 佛山市华全电气照明有限公司 | Anti-surge structure of light emitting diode (LED) driving power and manufacture method thereof |
| CN203013469U (en) * | 2012-12-27 | 2013-06-19 | 西安芯派电子科技有限公司 | Transformer capable of reducing switching power supply electro-magnetic interference (EMI) and flyback switching power supply including same |
| CN203761280U (en) * | 2013-12-28 | 2014-08-06 | 东莞市盈聚电子有限公司 | Lightning-proof power adapter circuit |
| CN205029570U (en) * | 2015-10-27 | 2016-02-10 | 丹阳奇烨科技有限公司 | Can anti 20KV switching power supply of thunderbolt |
-
2015
- 2015-10-27 CN CN201510705927.XA patent/CN105207501B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012125A (en) * | 1987-06-03 | 1991-04-30 | Norand Corporation | Shielded electrical wire construction, and transformer utilizing the same for reduction of capacitive coupling |
| US20090289755A1 (en) * | 2008-05-20 | 2009-11-26 | Sercomm Corporation | Transformer apparatus with shielding architecture and shielding method thereof |
| CN201774717U (en) * | 2010-08-26 | 2011-03-23 | 佛山市顺德区瑞德电子实业有限公司 | SCR resonance half-bridge based LED streetlamp drive power circuit |
| CN201804683U (en) * | 2010-10-09 | 2011-04-20 | 新电元(上海)电器有限公司 | Lightningproof transformer |
| CN102202447A (en) * | 2011-04-22 | 2011-09-28 | 威海东兴电子有限公司 | Heat-resistant and lightning proof LED driving power supply without electrolytic capacitor |
| CN202333793U (en) * | 2011-11-17 | 2012-07-11 | 东莞市盈聚电子有限公司 | Lightning prevention surge circuit of power adapter |
| CN203013469U (en) * | 2012-12-27 | 2013-06-19 | 西安芯派电子科技有限公司 | Transformer capable of reducing switching power supply electro-magnetic interference (EMI) and flyback switching power supply including same |
| CN103094892A (en) * | 2013-01-16 | 2013-05-08 | 佛山市华全电气照明有限公司 | Anti-surge structure of light emitting diode (LED) driving power and manufacture method thereof |
| CN203761280U (en) * | 2013-12-28 | 2014-08-06 | 东莞市盈聚电子有限公司 | Lightning-proof power adapter circuit |
| CN205029570U (en) * | 2015-10-27 | 2016-02-10 | 丹阳奇烨科技有限公司 | Can anti 20KV switching power supply of thunderbolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058400A (en) * | 2016-06-24 | 2016-10-26 | 德清利维通讯科技股份有限公司 | Combiner with lightning protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105207501B (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8212416B2 (en) | Device for filtering harmonics | |
| CA2909163C (en) | Drive output harmonic mitigation devices and methods of use thereof | |
| CN101236827A (en) | Method and product for solving the electromagnetic compatibility of no Y capacitance switch power transformer | |
| CN107612307A (en) | A kind of wave filter, power circuit and air conditioner | |
| CN205029570U (en) | Can anti 20KV switching power supply of thunderbolt | |
| CN102931824A (en) | Common-mode lightning strike suppression circuit of power supply | |
| CN107134916B (en) | Device and method for preventing electromagnetic information leakage in alternating-current power supply transmission | |
| CN202307455U (en) | Winding structure for transformer of low-EMI switching power supply | |
| CN107979273A (en) | Power filter protects circuit | |
| CN105207501B (en) | It is a kind of can anti-20KV lightning stroke Switching Power Supply | |
| CN107147093A (en) | Applied to the anti thunder strike circuit in large power supply adapter and the power supply adaptor | |
| CN104882870A (en) | Lightning protection circuit | |
| CN107359784B (en) | A kind of the input EMC filter and production method of high voltage direct current input power supply | |
| CN207283147U (en) | A kind of transformer electromagnetic interference protecting system | |
| CN208737867U (en) | A kind of anti-jamming circuit, circuit board and LED display device | |
| CN2571049Y (en) | Filtration type power supply lightning protector | |
| CN203352468U (en) | Y capacitor-free power adapter circuit | |
| CN103354160A (en) | High-voltage transformer | |
| CN205911948U (en) | Anti -electromagnetic interference switching power supply | |
| CN206894495U (en) | Applied to the anti thunder strike circuit in large power supply adapter and the power supply adaptor | |
| CN208971133U (en) | A kind of anti-surge circuit and pressure stabilizing device | |
| EP2676360A2 (en) | Power supply with interference suppression, and method for operating a power supply | |
| CN214410958U (en) | High-performance low-cost power adapter | |
| CN2447978Y (en) | Single-phase AC protector for purifying electric equipment | |
| CN105261461B (en) | Transformer winding circuit and structure capable of resisting common-mode interference and portable charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221206 Address after: Xiangxi village, Shipai town, Dongguan City, Guangdong Province 523000 Patentee after: Outstanding Electronics (Dongguan) Co.,Ltd. Address before: 212300 Qianjin village, Danyang Development Zone, Zhenjiang City, Jiangsu Province Patentee before: DANYANG QIYE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |