CN206412939U - A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 - Google Patents
A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 Download PDFInfo
- Publication number
- CN206412939U CN206412939U CN201621431784.4U CN201621431784U CN206412939U CN 206412939 U CN206412939 U CN 206412939U CN 201621431784 U CN201621431784 U CN 201621431784U CN 206412939 U CN206412939 U CN 206412939U
- Authority
- CN
- China
- Prior art keywords
- icl5101
- controllers
- secondary commutation
- electrically connected
- liquid crystal
- 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
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Dc-Dc Converters (AREA)
Abstract
The utility model discloses a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101, including bottom plate, wiring board is installed on the bottom plate, EMC protection circuitry is installed on the wiring board, the EMC protection circuitry is by piezo-resistance, filter capacitor and divider resistance composition, the piezo-resistance is electrically connected with the filter capacitor, the filter capacitor is electrically connected with divider resistance, the side of the EMC protection circuitry is provided with CT self-power digitals relay and inductance coil, the side of the CT self-power digitals relay is provided with ICL5101 controllers, the side of the ICL5101 controllers is provided with switch transformer, the side of the switch transformer is provided with secondary commutation filter circuit, the secondary commutation filter circuit is made up of secondary commutation pipe and secondary commutation electric capacity, the secondary commutation filter circuit is electrically connected with by standby power consumption control circuit and the ICL5101 controllers, the soft switching power, it is easy to use, loss is low.
Description
Technical field
The utility model is related to research and development and the applied technical field of the highly integrated control system of LED liquid crystal advertisement screen Sofe Switch,
Specially a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101.
Background technology
Modern electronic equipment function is more and more, and the influence of the high power consumption of equipment to environment is also increasing.Improve power supply
Efficiency is to reduce one of main method of power consumption.Existing LED drive power complex circuit, PFC power factor controllers and LLC
Pulsewidth modulation part is discrete, is made up of different IC chips, and EMC partial PFCs and PWM are interfered with each other, and peripheral cell is various, and structure is multiple
Miscellaneous, power volume is huge, heaviness, is difficult production, and existing LED liquid crystal advertisements screen soft switching power, open circuit loss is big, it is impossible to full
Standard of the sufficient liquid crystal advertisement screen in terms of efficiency on stand-by power consumption.
Utility model content
The purpose of this utility model is a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 of offer,
To solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of LED liquid controlled based on ICL5101
Brilliant advertisement screen soft switching power, including bottom plate, the bottom plate are connected by seccotine with housing, and circuit is provided with the bottom plate
EMC protection circuitry is installed, the EMC protection circuitry is by piezo-resistance, filter capacitor and divider resistance on plate, the wiring board
Composition, the piezo-resistance is electrically connected with the filter capacitor, and the filter capacitor is electrically connected with divider resistance, described
The side of EMC protection circuitry is provided with CT self-power digitals relay and inductance coil, the CT self-power digitals relay and
The inductance coil is electrically connected with the EMC protection circuitry, and the side of the CT self-power digitals relay is provided with
ICL5101 controllers, the CT self-power digitals relay is electrically connected with the ICL5101 controllers, the ICL5101 controls
The side of device processed is provided with switch transformer, and the ICL5101 controllers are electrically connected with switch transformer, the switch transformation
The side of device is provided with secondary commutation filter circuit, and the switch transformer is electrically connected with the secondary commutation filter circuit,
The secondary commutation filter circuit is made up of secondary commutation pipe and secondary commutation electric capacity, and the secondary commutation filter circuit is by treating
Machine power control circuit is electrically connected with the ICL5101 controllers, and the standby power consumption control circuit is by Controlled in Current Mode and Based
Device and slope compensation circuit are constituted.
Further, the ICL5101 controllers be a kind of ICL5101 high integration integrated CRM PFC and half-bridge it is humorous
Shake controller.
Further, it is provided with the housing in thermovent, the thermovent and Air Filter is installed.
Further, the housing and bottom plate are integrated injection molding.
Compared with prior art, the beneficial effects of the utility model are：The LED liquid crystal advertisement screen soft switching powers, circuit
It is controlled on plate using ICL5101 controllers, ICL5101 controllers are a kind of integrated CRM PFC in ICL5101 high integration ground
With half-bridge resonance controller, exported using LLC topological realizations efficiency high up to 94% constant pressure, can be real in the case of feedback-less control
The existing constant current output of pole wide scope, secondary commutation filter circuit is electrical by standby power consumption control circuit and ICL5101 controllers
Connection, secondary commutation filter circuit is made up of secondary commutation pipe and secondary commutation electric capacity, with the line filtered out in low-voltage DC
The effect of ripple, standby power consumption control circuit is made up of current mode controller and slope compensation circuit, and current mode controller can
To reduce light power consumption stream, so as to reduce no-load power consumption, stand-by power consumption is further reduced, efficiency is improved.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model standby power consumption control circuit structural representation；
Fig. 3 is the utility model EMC protection circuitry structural representation；
Fig. 4 is utility model works theory diagram；
In figure：1- bottom plates；2- wiring boards；3- secondary commutation filter circuits；4- housings；5- standby power consumption control circuits；6-
Switch transformer；7-ICL5101 controllers；8- inductance coils；9-EMC protection circuits；10-CT self-power digital relays；11-
Slope compensation circuit；12- current mode controllers；13- divider resistances；14- filter capacitors；15- piezo-resistances.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：A kind of LED liquid crystal based on ICL5101 controls is wide
Screen soft switching power, including bottom plate 1 are accused, bottom plate 1 is connected by seccotine with housing 4, and wiring board 2, circuit are provided with bottom plate 1
EMC protection circuitry 9 is installed, EMC protection circuitry 9 is made up of piezo-resistance 15, filter capacitor 14 and divider resistance 13 on plate 2,
Piezo-resistance 15 is electrically connected with filter capacitor 14, and filter capacitor 14 is electrically connected with divider resistance 13, EMC protection circuitry 9
Side is provided with CT self-power digitals relay 10 and inductance coil 8, CT self-power digitals relay 10 and inductance coil 8 with
EMC protection circuitry 9 is electrically connected with, and the side of CT self-power digitals relay 10 is provided with ICL5101 controllers 7, CT self-powereds
Digital relay 10 and ICL5101 controllers 7 are electrically connected with, and the side of ICL5101 controllers 7 is provided with switch transformer 6,
ICL5101 controllers 7 are electrically connected with switch transformer 6, and the side of switch transformer 6 is provided with secondary commutation filter circuit 3,
Switch transformer 6 is electrically connected with secondary commutation filter circuit 3, and secondary commutation filter circuit 3 is whole by secondary commutation pipe and secondary
Electric capacity composition is flowed, secondary commutation filter circuit 3 is electrically connected with by standby power consumption control circuit 5 and ICL5101 controllers 7, treated
Machine power control circuit 5 is made up of current mode controller 12 and slope compensation circuit 11.
Further, the ICL5101 controllers 7 be a kind of ICL5101 high integration integrated CRM PFC and half-bridge it is humorous
Shaken controller, is exported using LLC topological realizations efficiency high up to 94% constant pressure, and extremely wide model can be realized in the case of feedback-less control
The constant current output enclosed.
Further, it is provided with the housing 4 in thermovent, the thermovent and Air Filter is installed, is easy to radiating, just
In the service life for improving Switching Power Supply.
Further, the housing 4 and bottom plate 1 are integrated injection molding, simple in construction, convenient for production.
Operation principle：First, it is controlled on wiring board 2 using ICL5101 controllers 7, ICL5101 controllers 7 are one
Kind of ICL5101 high integration ground integrated CRM PFC and half-bridge resonance controller, using LLC topological realizations efficiency high up to 94%
Constant pressure is exported, and can realize the constant current output of pole wide scope in the case of feedback-less control, secondary commutation filter circuit 3 is by standby
Power control circuit 5 and ICL5101 controllers 7 are electrically connected with, and secondary commutation filter circuit 3 is by secondary commutation pipe and secondary commutation
Electric capacity is constituted, the effect with the ripple filtered out in low-voltage DC, and standby power consumption control circuit 5 is by current mode controller 12
Constituted with slope compensation circuit 11, current mode controller 12 can be reduced light power consumption stream, so as to reduce no-load power consumption, enter one
Step reduction stand-by power consumption, improves efficiency.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101, including bottom plate (1), it is characterised in that：Institute
State bottom plate (1) to be connected with housing (4) by seccotine, be provided with the bottom plate (1) on wiring board (2), the wiring board (2)
EMC protection circuitry (9) is installed, the EMC protection circuitry (9) is by piezo-resistance (15), filter capacitor (14) and divider resistance
(13) constitute, the piezo-resistance (15) is electrically connected with the filter capacitor (14), the filter capacitor (14) and partial pressure electricity
Hinder (13) to be electrically connected with, the side of the EMC protection circuitry (9) is provided with CT self-power digitals relay (10) and inductance coil
(8), the CT self-power digitals relay (10) and the inductance coil (8) electrically connect with the EMC protection circuitry (9)
Connect, the side of the CT self-power digitals relay (10) is provided with ICL5101 controllers (7), the CT self-power digitals after
Electrical equipment (10) is electrically connected with the ICL5101 controllers (7), and the side of the ICL5101 controllers (7) is provided with switch and become
Depressor (6), the ICL5101 controllers (7) are electrically connected with switch transformer (6), the side peace of the switch transformer (6)
Equipped with secondary commutation filter circuit (3), the switch transformer (6) is electrically connected with the secondary commutation filter circuit (3), institute
State secondary commutation filter circuit (3) to be made up of secondary commutation pipe and secondary commutation electric capacity, the secondary commutation filter circuit (3) is led to
Standby power consumption control circuit (5) and the ICL5101 controllers (7) is crossed to be electrically connected with, the standby power consumption control circuit (5) by
Current mode controller (12) and slope compensation circuit (11) are constituted.
2. a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 according to claim 1, its feature
It is：The ICL5101 controllers (7) are a kind of ICL5101 high integration ground integrated CRM PFC and half-bridge resonance controller.
3. a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 according to claim 1, its feature
It is：It is provided with the housing (4) in thermovent, the thermovent and Air Filter is installed.
4. a kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 according to claim 1, its feature
It is：The housing (4) and bottom plate (1) are integrated injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431784.4U CN206412939U (en) | 2016-12-25 | 2016-12-25 | A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431784.4U CN206412939U (en) | 2016-12-25 | 2016-12-25 | A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412939U true CN206412939U (en) | 2017-08-15 |
Family
ID=59552444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431784.4U Active CN206412939U (en) | 2016-12-25 | 2016-12-25 | A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412939U (en) |
-
2016
- 2016-12-25 CN CN201621431784.4U patent/CN206412939U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109525132A (en) | A kind of interleaved PFC constant voltage drive circuit, driving power and television set | |
| CN203688682U (en) | Energy saving electronic load for aging inverter | |
| CN107394864A (en) | A kind of accumulator of electric car charging and discharging state monitoring system | |
| CN110136940A (en) | One kind is based on capacitor series connection constant-current source high pressure energy taking device | |
| CN201869103U (en) | Variable-voltage power supply | |
| CN201097176Y (en) | Power supply controller | |
| CN206412939U (en) | A kind of LED liquid crystal advertisement screen soft switching powers controlled based on ICL5101 | |
| CN203104307U (en) | Controllable common ground power supply circuit | |
| CN206992423U (en) | A kind of Intelligent energy-saving socket | |
| CN206775388U (en) | One kind isolation digital micro power supply | |
| CN203482447U (en) | Primary side feedback single-stage PFC output zero-ripple circuit | |
| CN206559223U (en) | A kind of filter circuit of power electronic equipment and its dc bus | |
| CN204859636U (en) | Energy -conserving LED drive circuit | |
| CN207265867U (en) | A kind of vehicle-mounted decompression DC/DC power supplys | |
| CN202841641U (en) | Simplified light-emitting diode (LED) drive circuit | |
| CN202652085U (en) | Watt offline flyback insulation type multi-output power supply | |
| CN103035444B (en) | Relay driving system and household appliances | |
| CN107612310A (en) | A kind of vehicle-mounted decompression DC/DC power supplys | |
| CN204905976U (en) | Power management means | |
| CN206472045U (en) | A kind of ac/dc supply convertor applied to open switch power supply | |
| CN204633606U (en) | Based on the high power switching power supply of DSP | |
| CN201994859U (en) | Low voltage heavy current switch power supply based on third-order load resonance technology | |
| CN218920662U (en) | Printed circuit board layout structure and communication power supply | |
| CN103470520A (en) | Power cabinet air volume adjusting device of high-power power electronic device | |
| CN216252537U (en) | Direct current power supply conversion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |