CN207069884U - A kind of novel guideway Switching Power Supply - Google Patents
A kind of novel guideway Switching Power Supply Download PDFInfo
- Publication number
- CN207069884U CN207069884U CN201721044626.8U CN201721044626U CN207069884U CN 207069884 U CN207069884 U CN 207069884U CN 201721044626 U CN201721044626 U CN 201721044626U CN 207069884 U CN207069884 U CN 207069884U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- resistance
- inductance
- parallel
- power supply
- 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.)
- Active
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The utility model discloses a kind of novel guideway Switching Power Supply, is made up of shell and the power circuit for being arranged at enclosure；Power circuit includes fuse F1, the fuse F2 being connected respectively with common mode inductance LF1；Common mode inductance LF1 input, output end has been arranged in parallel safety electric capacity CX1, CX2 respectively；Common mode inductance LF1 output end is additionally provided with resistance R1, R2；Resistance R1, R2 are in parallel with electric capacity C1 again after being in parallel；Electric capacity C1 one end ground connection, the other end are connected with filter inductance L1；Filter inductance L1 output end is connected with boost inductance L2A, thermistor TH3, electric capacity C2 respectively；Thermistor TH3 output end is provided with power diode D2；Power diode D2 and boost inductance L2A is connected after being in parallel with metal-oxide-semiconductor Q1.Circuit of the present utility model is simple, cost is low and reliability is high, can provide stabilized power source for all trades and professions.
Description
Technical field
It the utility model is related to a kind of Switching Power Supply, more particularly to a kind of novel guideway Switching Power Supply.
Background technology
At present, it is leading that Switching Power Supply is widely used in using electronic computer using small-sized, light weight and efficient feature
Various terminal equipment, the almost all of electronic equipment such as communication equipment, be that current electronics and information industry rapid development is indispensable
A kind of few power mode.The high frequency of Switching Power Supply is the innovative technology of power technology development, and the benefit that high frequency is brought is
Make the miniaturization that switching power unit is unprecedented, and Switching Power Supply is entered wider field, particularly in high-technology field
Application, promoted miniaturization, the lighting of new high-tech product, in addition the development of Switching Power Supply and apply economizing on resources and
All have far-reaching significance in terms of environmental protection.
Utility model content
In order to solve the weak point present in above-mentioned technology, the utility model provides a kind of novel guideway switch electricity
Source.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of novel guideway switch electricity
Source, it is made up of shell and the power circuit for being arranged at enclosure；Power circuit includes fuse F1, fuse F2, integrated electricity
Road U4；Fuse F1, fuse F2 one end start to exchange fire line, zero line respectively, and the other end is connected with common mode inductance LF1；Common mode
Inductance LF1 input, output end has been arranged in parallel safety electric capacity CX1, safety electric capacity CX2 respectively；
Common mode inductance LF1 output end is additionally provided with resistance R1, resistance R2；Resistance R1 and resistance R2 be in parallel after again with electricity
Hold C1 to be in parallel；Electric capacity C1 one end ground connection, the other end are connected with filter inductance L1；Filter inductance L1 output end respectively with
Boost inductance L2A, thermistor TH3, electric capacity C2 are connected；Thermistor TH3 output end is provided with power diode D2；Work(
Rate diode D2 and boost inductance L2A is connected after being in parallel with metal-oxide-semiconductor Q1；Electric capacity C2 other end connection negative pole；
Metal-oxide-semiconductor Q1 one end is grounded after being in parallel with electric capacity C3, and the other end is connected with diode D5；Diode D5's is another
One end is connected on integrated circuit U4 pin；Integrated circuit U4 another pin is connected with resistance R3, resistance R4 respectively；
Resistance R4 output end is connected on metal-oxide-semiconductor Q2 with after diode D6 series connection and together with the resistance R3 other end；
Metal-oxide-semiconductor Q2 one end is grounded by power resistor R5, and the other end is connected to Transformer Winding T1A ends, and passes through change
Change and deliver power to Transformer Winding T1B ends；Transformer Winding T1B output end is respectively arranged with Schottky diode D9, electricity
Hinder R6；Schottky diode D9, resistance R6 are connected with electric capacity C4, indicator lamp LED, electric capacity C5 respectively again after being in parallel；Electric capacity
C4, indicator lamp LED, electric capacity C5 are connected in parallel on inductance L3；It is defeated that the inductance L3 other end is used for circuit after being in parallel with electric capacity C6
Go out.
Transformer Winding includes primary coil, secondary coil and accessory power supply coil, and winding method is using folder around mode.It is auxiliary
Help the winding method of power coil for two layers of folder around；The winding method of the secondary coil be two strands and around.Primary coil with time
Insulating barrier is respectively provided between level coil, between secondary coil and additional feedback coil.
The utility model uses PFC inverse-excitation type design structures, and circuit is simple, cost is low and reliability is high, can answer extensively
For the voltage stabilizing and protection of the modern high technology products such as computer, fire-fighting electronic product, industrial electrical equipment, carried for all trades and professions
For stable power supply.
Brief description of the drawings
Fig. 1 is circuit structure diagram of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 1, the utility model is made up of shell with the power circuit for being arranged at enclosure；Power circuit includes
Fuse F1, fuse F2, integrated circuit U4；Fuse F1, fuse F2 are serially connected with live wire respectively, zero line side is used as and inputted
Stream protection, its other end are connected with common mode inductance LF1；Common mode inductance LF1 input, output end has been arranged in parallel respectively
Safety electric capacity CX1, safety electric capacity CX2；Safety electric capacity CX1, safety electric capacity CX2, common mode inductance LF1 are used as EMI filter circuit,
It can play a part of suppressing to reduce EMI.
Common mode inductance LF1 output end is additionally provided with resistance R1, resistance R2；Resistance R1, resistance R2 as discharge resistance,
Discharge process can be played during shutdown.Resistance R1 and resistance R2 is in parallel with electric capacity C1 again after being in parallel, and electric capacity C1 is as filter capacitor
Use；Electric capacity C1 one end ground connection, the other end are connected with filter inductance L1；Filter inductance L1 output end is electric with boosting respectively
Sense L2A, thermistor TH3, electric capacity C2 are connected；Thermistor TH3 output end is provided with power diode D2；The pole of power two
Pipe D2 and boost inductance L2A is connected after being in parallel with metal-oxide-semiconductor Q1；Electric capacity C2 other end connection negative pole；Electric capacity C1, filtering
Inductance L1, electric capacity C2 strobe；And thermistor TH3, power diode D2 play suppression input dash current；Rise
Voltage inductance L2A is pfc circuit（Circuit of power factor correction）Boost inductance；Metal-oxide-semiconductor Q1 is that PFC switchs control pipe.
Metal-oxide-semiconductor Q1 one end is grounded after being in parallel with electric capacity C3, and the other end is connected with diode D5；Diode D5's is another
One end is connected on integrated circuit U4 pin；Integrated circuit U4 another pin is connected with resistance R3, resistance R4 respectively；
Resistance R4 output end is connected on metal-oxide-semiconductor Q2 with after diode D6 series connection and together with the resistance R3 other end；Metal-oxide-semiconductor Q2 is anti-
Swash topological main switch control pipe.
Metal-oxide-semiconductor Q2 one end is grounded by power resistor R5, and the other end is connected to Transformer Winding T1A ends（Transformer around
Group T1A ends starting voltage mapping function, also has concurrently and is dielectrically separated from and power transmitting function）, and transformation is delivered power to by conversion
Device winding T1B ends（Transformer Winding T1B ends are used to provide accessory power supply voltage VCC）；Transformer Winding T1B output end difference
It is provided with Schottky diode D9, resistance R6；Schottky diode D9 adjusts diode as output current, and resistance R6 inhales for RC
Circuit is received, Schottky diode D9 current breaks is prevented and damages.Schottky diode D9 distinguishes again after being in parallel with resistance R6
It is connected with electric capacity C4, indicator lamp LED, electric capacity C5；Electric capacity C4, indicator lamp LED, electric capacity C5 are connected in parallel on inductance L3；Wherein, it is electric
It is output filter circuit to feel L3, electric capacity C4, electric capacity C5, and indicator lamp LED is output voltage indicator lamp；The inductance L3 other end with
Electric capacity C6 is used for circuit output after being in parallel.
Transformer Winding includes primary coil, secondary coil and accessory power supply coil, and winding method is using folder around mode.Its
In, the winding method of accessory power supply coil for two layers of folder around；The winding method of the secondary coil be two strands and around.Such a coiling
Mode can reduce transformer leakage inductance, reduce parasitic capacitance.
Insulating barrier is respectively provided between primary coil and secondary coil, between secondary coil and additional feedback coil.Specially
Copper foil shielding layer is provided between primary coil and secondary coil, the interference of high frequency transformer EMI radiation can be reduced；Secondary wire
Barrier wall structure and three layer insulation wire are provided between circle and additional feedback coil, is favorably improved the insulation resistance of transformer
Energy.
The utility model uses relatively small number of circuit of power factor correction（PFC）Realize the utilization rate and drop to power network
The purpose that low supply harmonic influences on electronic equipment on circuit, circuit is simple, cost is low, and reliability is high, can extensive use
In the voltage stabilizing and protection of the modern high technology products such as computer, fire-fighting electronic product, industrial electrical equipment, provided for all trades and professions
Stable power supply.
It is to be also not limited to the example above to limitation of the present utility model, the utility model that above-mentioned embodiment, which is not,
The variations, modifications, additions or substitutions that those skilled in the art are made in the range of the technical solution of the utility model,
Also the scope of protection of the utility model is belonged to.
Claims (4)
- A kind of 1. novel guideway Switching Power Supply, it is characterised in that：It is by shell and the power circuit group for being arranged at enclosure Into；The power circuit includes fuse F1, fuse F2, integrated circuit U4；The fuse F1, fuse F2 one end point Do not start to exchange fire line, zero line, the other end is connected with common mode inductance LF1；The input, output end difference of the common mode inductance LF1 It has been arranged in parallel safety electric capacity CX1, safety electric capacity CX2；The output end of the common mode inductance LF1 is additionally provided with resistance R1, resistance R2；The resistance R1 and resistance R2 be in parallel after again It is in parallel with electric capacity C1；One end ground connection of the electric capacity C1, the other end are connected with filter inductance L1；The filter inductance L1's Output end is connected with boost inductance L2A, thermistor TH3, electric capacity C2 respectively；The output end of the thermistor TH3 is set There is power diode D2；The power diode D2 and boost inductance L2A are connected after being in parallel with metal-oxide-semiconductor Q1；The electricity Hold C2 other end connection negative pole；One end of the metal-oxide-semiconductor Q1 is grounded after being in parallel with electric capacity C3, and the other end is connected with diode D5；The diode D5 The other end be connected on integrated circuit U4 pin；Another pin of the integrated circuit U4 respectively with resistance R3, resistance R4 is connected；The output end of the resistance R4 is connected to metal-oxide-semiconductor Q2 with after diode D6 series connection and together with the resistance R3 other end On；One end of the metal-oxide-semiconductor Q2 is grounded by power resistor R5, and the other end is connected to Transformer Winding T1A ends, and passes through change Change and deliver power to Transformer Winding T1B ends；The output end of the Transformer Winding T1B is respectively arranged with Schottky diode D9, resistance R6；The Schottky diode D9, resistance R6 be in parallel after again respectively with electric capacity C4, indicator lamp LED, electric capacity C5 phases Connection；The electric capacity C4, indicator lamp LED, electric capacity C5 are connected in parallel on inductance L3；The other end of the inductance L3 with electric capacity C6 phases It is used for circuit output after parallel connection.
- 2. novel guideway Switching Power Supply according to claim 1, it is characterised in that：The Transformer Winding includes primary Coil, secondary coil and accessory power supply coil, winding method is using folder around mode.
- 3. novel guideway Switching Power Supply according to claim 2, it is characterised in that：The coiling of the accessory power supply coil Mode be two layers folder around；The winding method of the secondary coil be two strands and around.
- 4. novel guideway Switching Power Supply according to claim 2, it is characterised in that：The primary coil and secondary coil Between, between secondary coil and additional feedback coil be respectively provided with insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044626.8U CN207069884U (en) | 2017-08-21 | 2017-08-21 | A kind of novel guideway Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044626.8U CN207069884U (en) | 2017-08-21 | 2017-08-21 | A kind of novel guideway Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069884U true CN207069884U (en) | 2018-03-02 |
Family
ID=61514761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721044626.8U Active CN207069884U (en) | 2017-08-21 | 2017-08-21 | A kind of novel guideway Switching Power Supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019853A (en) * | 2021-10-27 | 2022-02-08 | 广州祥驰电气有限公司 | Guide rail type 5G switch power supply |
-
2017
- 2017-08-21 CN CN201721044626.8U patent/CN207069884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019853A (en) * | 2021-10-27 | 2022-02-08 | 广州祥驰电气有限公司 | Guide rail type 5G switch power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2004180497A (en) | Method and arrangement for conducting input emi filtering of power supply | |
| CN207625446U (en) | Switching power circuit | |
| CN109888895A (en) | Charging circuit and mobile terminal | |
| CN207069884U (en) | A kind of novel guideway Switching Power Supply | |
| CN206498237U (en) | A kind of direct-current charging post circuit | |
| CN112865578B (en) | Power supply system integrated control method, device and storage medium | |
| CN109818514A (en) | It is a kind of can flexible allocation output port output capacity electric power electric transformer | |
| CN107086790B (en) | Flyback switching power supply | |
| CN111183564A (en) | Low-voltage wireless power transmission bonding pad | |
| CN102810986B (en) | A kind of series topology LED switch power circuit | |
| RU90940U1 (en) | HIGH VOLTAGE INSTALLATION | |
| CN215267650U (en) | Low-frequency power transmission system based on grounding structure | |
| EP2575228B1 (en) | Lightning protection circuit | |
| CN105605628B (en) | Surge restraint circuit and micro-wave oven | |
| CN210608949U (en) | Voltage transformation rectifying circuit and charger | |
| CN205911948U (en) | Anti -electromagnetic interference switching power supply | |
| CN111245213A (en) | Intrinsically safe power supply and intrinsically safe transformer module | |
| CN210297543U (en) | Power supply circuit of power supply controller | |
| CN207398903U (en) | A kind of wall socket charging circuit and wall socket device | |
| EP2613453A2 (en) | Broadband power line network device and ethernet signal coupling device thereof | |
| CN205681097U (en) | A kind of overvoltage/undervoltage protection device | |
| CN204633622U (en) | Mobile terminal device power supply adaptor | |
| CN208923819U (en) | A kind of the protection component and Switching Power Supply of Switching Power Supply | |
| CN110266092B (en) | Output short circuit no spark produces and battery zero voltage charging circuit | |
| CN215344382U (en) | Multi-output flyback switching power supply circuit and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |