CN105978350A - Switching power supply of macromolecular leather paint spraying dryer - Google Patents
Switching power supply of macromolecular leather paint spraying dryer Download PDFInfo
- Publication number
- CN105978350A CN105978350A CN201610416586.9A CN201610416586A CN105978350A CN 105978350 A CN105978350 A CN 105978350A CN 201610416586 A CN201610416586 A CN 201610416586A CN 105978350 A CN105978350 A CN 105978350A
- Authority
- CN
- China
- Prior art keywords
- pole
- audion
- resistance
- polar capacitor
- transformator
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a switching power supply of a macromolecular leather paint spraying dryer. The switching power supply is characterized in mainly comprising a control chip U, a transformer T, an overvoltage protection circuit, a field effect transistor MOS1, a polar capacitor C5, a diode D3, a polar capacitor C4, a current regulation circuit connected with the control chip, and a photoelectric coupling switching circuit which is connected with the current regulation circuit and an inductance coil L3 at the secondary side of the transformer T. According to the switching power supply, the high voltage pulse in a voltage and the high current ripple in a current can be adjusted effectively; the dynamic states of the voltage and the current are kept stable; therefore, the switching power supply can output stable voltage and current; the stability of the drying temperature of the macromolecular leather paint spraying dryer can be ensured; and the surface of macromolecular leather is effectively prevented from deforming or losing paint.
Description
Technical field
The present invention relates to electronic applications, specifically, be a kind of high molecular leather spray paint dehydrator switch electricity
Source.
Background technology
Along with high molecular leather is widely used in leatherware industry, at people's quality requirements to leatherware
While more and more higher, also the quality of high molecular leather is had higher requirement.But, produce
High-quality high molecular leather, it is critical only that macromolecule shoe material leather sprays paint this link of post-drying.
At present there is output voltage and unstable the asking of electric current in the spray paint Switching Power Supply of dehydrator of high molecular leather
Topic, causes high molecular leather to spray paint the drying temperature extremely unstable of dehydrator, causes macromolecule shoe material leather table
There is deformation or falls the defect of paint in face.
The dehydrator switch therefore it provides a kind of high molecular leather that can export stable voltage and current sprays paint
Power supply is the task of top priority.
Summary of the invention
It is an object of the invention to overcome the spray paint Switching Power Supply of dehydrator of high molecular leather of the prior art to deposit
In the defect that output voltage and electric current are unstable, it is provided that a kind of high molecular leather spray paint the switch electricity of dehydrator
Source.
The present invention is achieved through the following technical solutions: a kind of high molecular leather spray paint dehydrator switch electricity
Source, mainly by control chip U, transformator T, field effect transistor MOS1, negative pole and field effect transistor MOS1
Polar capacitor C5, the N pole warp that grid is connected, positive pole is connected with the OUT pin of control chip U
After resistance R13 the drain electrode with field effect transistor MOS1 be connected, the IFB pin phase of P pole and control chip U
The diode D3 connected, positive pole COMP pin with control chip U after resistance R12 is connected, negative
The polar capacitor C4 that pole is connected with the VFB pin of control chip U after resistance R11, respectively with control
The overvoltage crowbar that the VCC pin limit former with transformator T of chip U is connected, with control chip U phase
Connect matrix current adjustment circuit, and respectively with matrix current adjustment circuit and transformator T secondary inductance coil L3 phase
The photoelectric coupling switch circuit composition connected；The negative pole of described polar capacitor C4 and photoelectric coupling switch circuit phase
Ground connection after connection；The source electrode of described field effect transistor MOS1 is connected with overvoltage crowbar, it drains and becomes
The non-same polarity of depressor T former limit inductance coil L2 be connected after ground connection.
Described overvoltage crowbar by audion VT3, positive pole sequentially after resistance R1 and resistance R2 with three poles
The base stage of pipe VT3 is connected, polar capacitor C1, the N pole of minus earth and transformator T former limit inductance coil
Zener diode D6, the P pole that the non-same polarity of L1 is connected, P pole is connected with the base stage of audion VT3
The Same Name of Ends of limit inductance coil L2 former with transformator T is connected, N pole is sequentially through resistance R4 and resistance R3
The diode D5 that negative pole with polar capacitor C1 is connected afterwards, one end is connected with the negative pole of polar capacitor C1,
The transmitting of the inductance L4 that the other end is connected with the VCC pin of control chip U, positive pole and audion VT3
The polarity that pole is connected, the Same Name of Ends of limit inductance coil L1 former with transformator T is connected after negative pole resistance R5
Electric capacity C6, and the Same Name of Ends of limit former with transformator T, N pole inductance coil L1 is connected, P pole is imitated with field
Should the diode D4 composition that is connected of the source electrode of pipe MOS1；The grounded collector of described audion VT3；
The positive pole of described polar capacitor C1 and negative pole are collectively forming the input of overvoltage crowbar.
Described photoelectric coupling switch electricity routing optocoupler IC, audion VT4, audion VT5, field is imitated
Should pipe MOS2, one end is connected with the grid of audion VT4, the first of the other end and photoelectrical coupler IC
The resistance R14 that input is connected, negative pole colelctor electrode with audion VT5 after resistance R15 is connected,
After polar capacitor C7, N electrode resistance R16 that positive pole is connected with the first input end of photoelectrical coupler IC with
The negative pole of polar capacitor C7 is connected, P pole is connected with the non-same polarity of transformator T secondary inductance coil L3
The diode D8 connect, negative pole is connected with the non-same polarity of transformator T secondary inductance coil L3, positive pole with
The polar capacitor C9 that the Same Name of Ends of transformator T secondary inductance coil L3 is connected, positive pole is after resistance R18
Be connected with the emitter stage of audion VT5, negative pole after resistance R6 with transformator T secondary inductance coil L3
The polar capacitor C8 that is connected of Same Name of Ends, and P pole is connected with the drain electrode of field effect transistor MOS2, N
Pole is sequentially connected through resistance R7 Same Name of Ends with transformator T secondary inductance coil L3 after critesistor RT
The diode D7 composition connect；The source ground of described field effect transistor MOS, its grid and photoelectrical coupler IC
The second input be connected；The grounded collector of described audion VT4, its emitter stage and audion VT5
Base stage be connected；First outfan of described photoelectrical coupler IC is connected with matrix current adjustment circuit, its
Two outfans are connected with the negative pole of polar capacitor C4.
Described matrix current adjustment circuit by audion VT1, audion VT2, positive pole after resistance R7 with control
The polar capacitor C2 that the VREF pin of chip U is connected, negative pole is connected with the base stage of audion VT1,
P pole is connected with the CT pin of control chip U, N pole after resistance R8 with the base stage phase of audion VT1
The diode D1 connected, negative pole be connected with the colelctor electrode of audion VT2 after ground connection, positive pole and control chip
The polar capacitor C3 that the GND pin of U is connected, and N pole after resistance R10 with photoelectrical coupler IC
The diode that the first outfan is connected, P pole emitter stage with audion VT2 after resistance R9 is connected
D2 forms；The grounded collector of described audion VT1, its emitter stage are connected with the base stage of audion VT2
Connect.
For the practical effect of the present invention, described control chip U the most preferentially uses UC3844A integrated
Chip realizes.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the high current ripple in the high voltage pulse in voltage and electric current can effectively be adjusted by the present invention
Whole, make the dynamic held stationary of voltage and current, ensure that the present invention can export stable voltage and electricity
Stream, and ensure that high molecular leather sprays paint the stability of drying temperature of dehydrator, is effectively prevented height
There is deformation or falls paint in molecule footwear material leather surface.
(2) control chip of the present invention have employed the integrated chip of UC3844A and realizes, the work of this chip
Stable performance, can effectively be carried out the intensity of output electric current after this chip combines with peripheral circuit simultaneously
Adjust, thus improve the load capacity of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but the enforcement of the present invention
Mode is not limited to this.
Embodiment
As it is shown in figure 1, the present invention is mainly by control chip U, transformator T, field effect transistor MOS1, electricity
Resistance R11, resistance R12, resistance R13, polar capacitor C4, polar capacitor C5, diode D3, electric current
Adjust circuit, photoelectric coupling switch circuit, and overvoltage crowbar composition.
During connection, the negative pole of polar capacitor C5 is connected with the grid of field effect transistor MOS1, its positive pole with
The OUT pin of control chip U is connected.The N pole of diode D3 after resistance R13 with field effect transistor
The drain electrode of MOS1 is connected, its P pole is connected with the IFB pin of control chip U.Polar capacitor C4
Positive pole COMP pin with control chip U after resistance R12 be connected, its negative pole is through resistance R11
It is connected with the VFB pin of control chip U afterwards.Overvoltage crowbar respectively with the VCC of control chip U
Pin limit former with transformator T is connected.Matrix current adjustment circuit is connected with control chip U.Photoelectric coupling is opened
Close circuit to be connected with matrix current adjustment circuit and transformator T secondary inductance coil L3 respectively.
The negative pole of described polar capacitor C4 be connected with photoelectric coupling switch circuit after ground connection；Described field effect
The source electrode of pipe MOS1 is connected with overvoltage crowbar, its drain electrode and transformator T former limit inductance coil L2
Non-same polarity be connected after ground connection；The Same Name of Ends of described transformator T secondary inductance coil L3 and non-same polarity
It is connected with dehydrator respectively.
Further, described overvoltage crowbar by audion VT3, resistance R1, resistance R2, resistance R3,
Resistance R4, resistance R5, inductance L4, polar capacitor C1, polar capacitor C6, diode D5, and two
Pole pipe D6 forms.
During connection, the positive pole of polar capacitor C1 sequentially after resistance R1 and resistance R2 with audion VT3
Base stage be connected, its minus earth.The N pole of Zener diode D6 and transformator T former limit inductance coil
The non-same polarity of L1 is connected, its P pole is connected with the base stage of audion VT3.The P pole of diode D5
The Same Name of Ends of limit inductance coil L2 former with transformator T is connected, its N pole is sequentially through resistance R4 and resistance
After R3, the negative pole with polar capacitor C1 is connected.One end of inductance L4 is connected with the negative pole of polar capacitor C1
Connect, its other end is connected with the VCC pin of control chip U.
Meanwhile, the positive pole of polar capacitor C6 be connected with the emitter stage of audion VT3, its negative pole resistance R5
The Same Name of Ends of limit inductance coil L1 former with transformator T is connected afterwards.The N pole of diode D4 and transformator T
The Same Name of Ends of former limit inductance coil L1 is connected, its P pole is connected with the source electrode of field effect transistor MOS1.Institute
State the grounded collector of audion VT3；The positive pole of described polar capacitor C1 and negative pole are collectively forming overvoltage and protect
The input of protection circuit is also connected with external power source.
Wherein, described photoelectric coupling switch electricity routing optocoupler IC, audion VT4, audion VT5,
Field effect transistor MOS2, resistance R6, resistance R14, resistance R15, resistance R16, resistance R17, resistance
R18, critesistor RT, polar capacitor C7, polar capacitor C8, polar capacitor C9, diode D7, with
And diode D8 composition.
During connection, one end of resistance R14 is connected with the grid of audion VT4, its other end and photoelectricity
The first input end of bonder IC is connected.The negative pole of polar capacitor C7 after resistance R15 with audion VT5
Colelctor electrode be connected, its positive pole is connected with the first input end of photoelectrical coupler IC.Diode D8's
After N electrode resistance R16 the negative pole with polar capacitor C7 be connected, its P pole and transformator T secondary inductance line
The non-same polarity of circle L3 is connected.
The negative pole of polar capacitor C9 is connected with the non-same polarity of transformator T secondary inductance coil L3, its just
Pole is connected with the Same Name of Ends of transformator T secondary inductance coil L3.The positive pole of polar capacitor C8 is through resistance R18
Afterwards the emitter stage with audion VT5 be connected, its negative pole after resistance R6 with transformator T secondary inductance line
The Same Name of Ends of circle L3 is connected.The P pole of diode D7 is connected with the drain electrode of field effect transistor MOS2, it
N pole sequentially after resistance R7 and critesistor RT with the Same Name of Ends phase of transformator T secondary inductance coil L3
Connect.
The second input phase of the source ground of described field effect transistor MOS, its grid and photoelectrical coupler IC
Connect；The grounded collector of described audion VT4, its emitter stage are connected with the base stage of audion VT5；
First outfan of described photoelectrical coupler IC is connected with matrix current adjustment circuit, its second outfan and polarity
The negative pole of electric capacity C4 is connected.
Further, described matrix current adjustment circuit by audion VT1, audion VT2, resistance R7,
Resistance R8, resistance R9, resistance R10, polar capacitor C2, polar capacitor C3, diode D1, and
Diode D2 forms.
During connection, the positive pole of polar capacitor C2 after resistance R7 with the VREF pin phase of control chip U
Connect, its negative pole is connected with the base stage of audion VT1.The P pole of diode D1 is with control chip U's
CT pin is connected, its N pole base stage with audion VT1 after resistance R8 is connected.Polar capacitor
The negative pole of C3 be connected with the colelctor electrode of audion VT2 after ground connection, the GND of its positive pole and control chip U
Pin is connected.The N pole of diode D2 after resistance R10 with the first outfan phase of photoelectrical coupler IC
Connect, its P pole emitter stage with audion VT2 after resistance R9 is connected.Described audion VT1's
Grounded collector, its emitter stage are connected with the base stage of audion VT2.
During operation, the high current ripple in the high voltage pulse in voltage and electric current can effectively be entered by the present invention
Row sum-equal matrix, makes the dynamic held stationary of voltage and current, ensures that the present invention can export stable voltage
And electric current, and ensure that high molecular leather sprays paint the stability of drying temperature of dehydrator, is effectively prevented
There is deformation or falls paint in macromolecule shoe material leather surface.
Meanwhile, the control chip of the present invention have employed the integrated chip of UC3844A and realizes, the work of this chip
Stable performance, can effectively be carried out the intensity of output electric current after this chip combines with peripheral circuit simultaneously
Adjust, thus improve the load capacity of the present invention.
According to above-described embodiment, can well realize the present invention.
Claims (5)
1. a high molecular leather sprays paint the Switching Power Supply of dehydrator, it is characterised in that mainly by controlling core
Sheet U, transformator T, field effect transistor MOS1, negative pole is connected with the grid of field effect transistor MOS1, positive pole
Polar capacitor C5, the N pole being connected with the OUT pin of control chip U after resistance R13 with field effect
The diode D3 that the drain electrode of pipe MOS1 is connected, P pole is connected with the IFB pin of control chip U, just
Pole COMP pin with control chip U after resistance R12 is connected, negative pole after resistance R11 with control
The polar capacitor C4 that the VFB pin of chip U is connected, respectively with VCC pin and the change of control chip U
The overvoltage crowbar that the former limit of depressor T is connected, the matrix current adjustment circuit being connected with control chip U, with
And the photoelectric coupling switch circuit being connected with matrix current adjustment circuit and transformator T secondary inductance coil L3 respectively
Composition；The negative pole of described polar capacitor C4 be connected with photoelectric coupling switch circuit after ground connection；Described field effect
The source electrode of pipe MOS1 is connected with overvoltage crowbar, its drain electrode and transformator T former limit inductance coil L2
Non-same polarity be connected after ground connection.
A kind of high molecular leather the most according to claim 1 sprays paint the Switching Power Supply of dehydrator, and it is special
Levy and be, described overvoltage crowbar by audion VT3, positive pole sequentially after resistance R1 and resistance R2 with
The base stage of audion VT3 is connected, polar capacitor C1, the N pole of minus earth and transformator T former limit inductance
The Zener diode D6 that the non-same polarity of coil L1 is connected, P pole is connected with the base stage of audion VT3,
The Same Name of Ends of limit former with transformator T, P pole inductance coil L2 is connected, N pole is sequentially through resistance R4 and resistance
The diode D5 that after R3, negative pole with polar capacitor C1 is connected, the negative pole phase of one end and polar capacitor C1
The inductance L4 that connection, the other end are connected with the VCC pin of control chip U, positive pole and audion VT3
Emitter stage be connected, the Same Name of Ends of limit inductance coil L1 former with transformator T is connected after negative pole resistance R5
Polar capacitor C6, and the Same Name of Ends of limit former with transformator T, N pole inductance coil L1 is connected, P pole
The diode D4 composition being connected with the source electrode of field effect transistor MOS1；The colelctor electrode of described audion VT3
Ground connection；The positive pole of described polar capacitor C1 and negative pole are collectively forming the input of overvoltage crowbar.
A kind of high molecular leather the most according to claim 2 sprays paint the Switching Power Supply of dehydrator, and it is special
Levy and be, described photoelectric coupling switch electricity routing optocoupler IC, audion VT4, audion VT5,
Field effect transistor MOS2, one end is connected with the grid of audion VT4, the other end and photoelectrical coupler IC
The resistance R14 that first input end is connected, negative pole colelctor electrode with audion VT5 after resistance R15 is connected
Connect, polar capacitor C7, N electrode resistance R16 that positive pole is connected with the first input end of photoelectrical coupler IC
Afterwards the negative pole with polar capacitor C7 be connected, the non-same polarity of P pole and transformator T secondary inductance coil L3
The diode D8 being connected, negative pole is connected, just with the non-same polarity of transformator T secondary inductance coil L3
The polar capacitor C9 that pole is connected with the Same Name of Ends of transformator T secondary inductance coil L3, positive pole is through resistance R18
Afterwards the emitter stage with audion VT5 be connected, negative pole after resistance R6 with transformator T secondary inductance coil
The polar capacitor C8 that the Same Name of Ends of L3 is connected, and P pole is connected with the drain electrode of field effect transistor MOS2,
N pole sequentially after resistance R7 and critesistor RT with the Same Name of Ends phase of transformator T secondary inductance coil L3
The diode D7 composition connected；The source ground of described field effect transistor MOS, its grid and photoelectrical coupler
Second input of IC is connected；The grounded collector of described audion VT4, its emitter stage and audion
The base stage of VT5 is connected；First outfan of described photoelectrical coupler IC is connected with matrix current adjustment circuit,
Its second outfan is connected with the negative pole of polar capacitor C4.
A kind of high molecular leather the most according to claim 3 sprays paint the Switching Power Supply of dehydrator, and it is special
Levy and be, described matrix current adjustment circuit by audion VT1, audion VT2, positive pole after resistance R7 with control
The polar capacitor that the VREF pin of coremaking sheet U is connected, negative pole is connected with the base stage of audion VT1
C2, P pole is connected with the CT pin of control chip U, N pole after resistance R8 with audion VT1's
The diode D1 that base stage is connected, negative pole be connected with the colelctor electrode of audion VT2 after ground connection, positive pole and control
The polar capacitor C3 that the GND pin of coremaking sheet U is connected, and N pole after resistance R10 with light thermocouple
First outfan of clutch IC is connected, P pole emitter stage with audion VT2 after resistance R9 is connected
Diode D2 composition；The grounded collector of described audion VT1, its emitter stage are with audion VT2's
Base stage is connected.
A kind of high molecular leather the most according to claim 4 sprays paint the Switching Power Supply of dehydrator, and it is special
Levying and be, described control chip U is the integrated chip of UC3844A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416586.9A CN105978350A (en) | 2016-06-13 | 2016-06-13 | Switching power supply of macromolecular leather paint spraying dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416586.9A CN105978350A (en) | 2016-06-13 | 2016-06-13 | Switching power supply of macromolecular leather paint spraying dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105978350A true CN105978350A (en) | 2016-09-28 |
Family
ID=57010467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610416586.9A Pending CN105978350A (en) | 2016-06-13 | 2016-06-13 | Switching power supply of macromolecular leather paint spraying dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105978350A (en) |
-
2016
- 2016-06-13 CN CN201610416586.9A patent/CN105978350A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105006968A (en) | Voltage stabilizing output circuit topology capable of adapting to wide range input | |
| CN106163003A (en) | A kind of LED dimming drive power based on ripple peak restrained circuit | |
| CN105978329A (en) | Current peak constant circuit-based switching power supply for leather spray dryer | |
| CN104917431A (en) | Broad pulse trigger type DC speed regulating system with overvoltage and overcurrent protection | |
| CN105978350A (en) | Switching power supply of macromolecular leather paint spraying dryer | |
| CN105978349A (en) | Active band-pass filter circuit based switching power supply for dyer used for spray-painted leather | |
| CN205829464U (en) | A kind of leather based on current peak constant circuit sprays paint dehydrator Switching Power Supply | |
| CN106160494A (en) | A kind of feedback signal processing-type PWM inverse-excitation type switch power-supply | |
| CN205847098U (en) | A kind of leather based on active bandpass filiter circuit sprays paint the Switching Power Supply of dehydrator | |
| CN105978351A (en) | Switch power supply based on secondary side current control circuit for leather paint dryer | |
| CN105978297A (en) | Photoelectric coupling switch circuit based switching power supply for dryer used for spray-painted leather | |
| CN106211437A (en) | A kind of comparison amplifying type LED power supply based on current detection circuit | |
| CN105979635A (en) | Source electrode voltage stabilizing power supply based on overvoltage and overcurrent regulator circuit for LED rope lights | |
| CN106130353A (en) | A kind of PWM inverse-excitation type switch power-supply | |
| CN104968088A (en) | Grid driving system used for LED lamp protection system based on boost voltage stabilizing circuit | |
| CN106253685A (en) | A kind of portable Switching Power Supply of low-loss | |
| CN105813279A (en) | Voltage feedback-based white LED oscillatory efficiency drive system | |
| CN105978296A (en) | Overvoltage protection circuit based switching power supply for dryer used for spray-painted leather | |
| CN106208758A (en) | A kind of instantaneous protection type PWM inverse-excitation type switch power-supply | |
| CN106253681A (en) | Instantaneous protection PWM inverse-excitation type switch power-supply based on feedback signal processing circuit | |
| CN105934044A (en) | Multi-way output voltage stabilized power supply for LED based on snubber circuit | |
| CN106160493A (en) | A kind of AF panel type PWM inverse-excitation type switch power-supply | |
| CN106132015A (en) | A kind of LED constant current drives power supply | |
| CN106028568A (en) | LED constant-current driving power supply based on surge voltage suppression circuit | |
| CN105873291A (en) | Voltage feedback type white light LED brightness adjustment driving system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160928 |
|
| WD01 | Invention patent application deemed withdrawn after publication |