CN208540037U - A kind of LCD TV with a variety of power supply modes - Google Patents
A kind of LCD TV with a variety of power supply modes Download PDFInfo
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- CN208540037U CN208540037U CN201821248725.2U CN201821248725U CN208540037U CN 208540037 U CN208540037 U CN 208540037U CN 201821248725 U CN201821248725 U CN 201821248725U CN 208540037 U CN208540037 U CN 208540037U
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Abstract
The utility model discloses a kind of LCD TVs with a variety of power supply modes, LCD TV includes power management voltage transformation module, TV motherboard display control module, TV display screen module and TV port module, power management voltage transformation module is electrically connected TV motherboard display control module, TV motherboard display control module is electrically connected with TV display screen module and TV port module, power management voltage transformation module includes solar powered conversion module, city exchanges AC Switching Power Supply power supply conversion module, DC adapter power supply management module, vehicular power-bottle group power supply management module and supply voltage output module, solar powered conversion module, city exchanges AC Switching Power Supply power supply conversion module, DC adapter power supply management module and vehicular power-bottle group power supply management module are exported with supply voltage respectively Module electrical connection.There is the utility model the LCD TV of a variety of power supply modes to be capable of providing more power supply selections.
Description
Technical field
The utility model relates to TV technologies, and in particular to one kind has a variety of power supply mode LCD TVs.
Background technique
As TV constantly develops, the LCD TV of CRT TV by CCFL, then arrive the LEDTV of LED backlight
TV, television set have become indispensable chief component in our life & amusements.Television set has become a kind of new
It hears, the carrier of the main propagation of amusement, information sharing.
LCD TV currently on the market is mainly that alternating current AC power supply or a kind of single mode of adapter are powered, and on side
Distant mountain area, sea, on island, under these environment of desert, alternating current AC is a lack of or unstable.Based on above-mentioned background feelings
Under condition, for a user, there are television set a variety of power supply modes also just to seem special important, with a variety of power supply modes
LCD TV has very high market value.
Utility model content
In view of the above-mentioned problems, the purpose of the utility model is to provide one kind to have a variety of power supply mode LCD TVs, it should
Kind LCD TV can use solar powered mode, make full use of solar energy resources, pass through with having a variety of power supply modes
It converts solar energy into electric energy and charge to television internal battery pack, battery pack is powered to liquid crystal TV set；
Removable storage battery group charging carries out security reliability power supply to liquid crystal TV set by removable storage battery group；Alternating current AC charging, leads to
Crossing can be powered to a variety of power supply modes such as alternating current AC100-240VAC and power supply adaptor to LCD TV, by above-mentioned
A variety of power supply modes, this kind of liquid crystal TV set can provide the user with more power supply selections, while move using liquid crystal electricity
It is convenient depending on machine, environmental protection, energy conservation.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: liquid crystal with a variety of power supply modes
TV, the LCD TV include power management voltage transformation module, TV motherboard display control module, TV display screen
Module and TV port module, the power management voltage transformation module is electrically connected TV motherboard display control module, described
TV motherboard display control module is electrically connected with TV display screen module and TV port module, the power management electricity
Pressure conversion module includes solar powered conversion module, city's exchange AC Switching Power Supply power supply conversion module, DC adapter power supply
Management module, vehicular power-bottle group power supply management module and supply voltage output module, the solar powered conversion module, city
Exchange AC Switching Power Supply power supply conversion module, DC adapter power supply management module and vehicular power-bottle group power supply management module difference
It is electrically connected with the supply voltage output module, the supply voltage output module is electrically connected TV motherboard display control module.
The solar powered conversion module includes charge management module and interior as a further improvement of the utility model,
Battery module is set, the charge management module is electrically connected with internal battery group module, the internal battery group module electrical connection
The supply voltage output module.
The vehicular power-bottle group power supply management module includes that anti-reverse power supply is defeated as a further improvement of the utility model,
Enter module, overpressure system protection and under-voltage battery pack protection module, the anti-reverse Power Entry Module and under-voltage battery pack are protected
Protect module electrical connection, the under-voltage battery pack protection module electric connection of power supply voltage output module.
The TV port module includes signal input module and tucket as a further improvement of the utility model,
Sound output module, the signal input module are electrically connected with TV motherboard display control module respectively with speaker sound output module
It connects.
The solar powered conversion module includes Schottky diode, too as a further improvement of the utility model,
Positive energy battery charging management chip LT3652HV, field-effect tube and several resistance, inductance and capacitor, pass through said chip and electronics
Element forms solar powered conversion circuit, external solar panels, and solar panels mention in the case where sunny for circuit
Voltage supplied is given to rechargeable solar battery managing chip LT3652HV, the Xiao Te through Schottky diode for DC 17-19V
Based diode falls to export for anti-reverse and anti-battery capacity, charges through chip internal circuits control to battery pack.When filling
After piezoelectric voltage reaches 11.5V, feedback voltage gives chip LT3652, and cuts off charging.If user uses LCD TV, in battery
Direct current by CMOS tube be given to LCD TV backend load provide power supply.
The utility model has the following beneficial effects:
The utility model has the LCD TV of a variety of power supply modes, by multiple in power management voltage transformation module
Submodule includes solar powered conversion module, city's exchange AC Switching Power Supply power supply conversion module, DC adapter power supply management
Module, vehicular power-bottle group power supply management module and supply voltage output module, so that TV has a variety of power supply modes, it can
Using solar powered mode, solar energy resources are made full use of, by converting solar energy into electric energy and carrying out to television internal
Battery pack charges, and battery pack is powered to liquid crystal TV set；Removable storage battery group charging, is given by removable storage battery group
Liquid crystal TV set carries out security reliability power supply；Alternating current AC charging, by the way that alternating current AC100-240VAC and power supply adaptor can be given
It is powered etc. a variety of power supply modes to LCD TV, by above-mentioned charging in many ways, liquid crystal TV set can give user
More power supply selections, while moving and using liquid crystal TV set, convenient, environmental protection, energy conservation.
For the structure feature and effect for more clearly illustrating the utility model, come with reference to the accompanying drawing with specific embodiment pair
It is described in detail.
Detailed description of the invention
Fig. 1 show external power supply power supply and the internal circuit of LCD TV of the utility model with a variety of power supply modes
Working principle block diagram；
Fig. 2 show the electricity of the solar powered conversion module of LCD TV of the utility model with a variety of power supply modes
Lu Tu；
City's exchange AC Switching Power Supply power supply that Fig. 3 show LCD TV of the utility model with a variety of power supply modes turns
Change the mold the circuit diagram of block；
Fig. 4 show the vehicular power-bottle group power supply management module of LCD TV of the utility model with a variety of power supply modes
Circuit diagram；
Fig. 5 show the circuit of the supply voltage output module of LCD TV of the utility model with a variety of power supply modes
Figure；
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to shown in attached drawing 1, a kind of LCD TV with a variety of power supply modes, the LCD TV includes power management
Voltage transformation module, TV motherboard display control module, TV display screen module and TV port module, the power supply
It manages voltage transformation module and is electrically connected TV motherboard display control module, the TV motherboard display control module and LCD TV
Display panel module and the electrical connection of TV port module, the power management voltage transformation module includes solar powered modulus of conversion
Block, city's exchange AC Switching Power Supply power supply conversion module, DC adapter power supply management module, vehicular power-bottle group power supply management module
And supply voltage output module, the solar powered conversion module, city's exchange AC Switching Power Supply power supply conversion module, direct current
Adapter power supply management module and vehicular power-bottle group power supply management module are electrically connected with the supply voltage output module respectively, institute
State supply voltage output module electrical connection TV motherboard display control module.
The LCD TV with a variety of power supply modes in the present embodiment, solar powered conversion module includes charging valve
Reason module and internal battery group module, the charge management module are electrically connected with internal battery group module, the internal battery group
Module is electrically connected the supply voltage output module.
The LCD TV with a variety of power supply modes in the present embodiment, vehicular power-bottle group power supply management module include anti-
Be reversely connected Power Entry Module, overpressure system protection and under-voltage battery pack protection module, the anti-reverse Power Entry Module and owe
The electrical connection of piezoelectric battery group protective module, the under-voltage battery pack protection module electric connection of power supply voltage output module.
The LCD TV with a variety of power supply modes in the present embodiment, TV port module includes signal input module
And speaker sound output module, the signal input module and speaker sound output module respectively with TV motherboard display control
Module electrical connection.
Referring to shown in attached drawing 2, the LCD TV with a variety of power supply modes in the present embodiment, described solar powered turn
Mold changing block is powered comprising Schottky diode, rechargeable solar battery management for converting the solar into electric energy for TV
Chip LT3652HV, field-effect tube and several resistance, inductance and capacitor；Solar panels provide electricity in the case where sunny
Pressure is DC 17-19V, is given to rechargeable solar battery managing chip LT3652HV, two pole of Schottky through Schottky diode
Pipe falls to export for anti-reverse and anti-battery capacity, charges through chip internal circuits control to battery pack.Work as charging voltage
After reaching 11.5V, VFB feedback voltage gives chip LT3652, and cuts off charging.If user uses LCD TV, in battery
Direct current is given to LCD TV backend load by CMSH3-40MA and provides power supply.
Referring to shown in attached drawing 3, the LCD TV with a variety of power supply modes in the present embodiment, city exchanges AC switch electricity
Source power supply conversion module is for accessing city's exchange electricity consumption, external city's alternating current
100-240VAC power supply, is accessed through CNB1, is passed through after crossing common mode inductance LB1 by pressure sensitive voltage and fuse
DB1 carries out AC rectification, and high-voltage electricity of DC300V after rectification is given to switch transformer TB1, Simultaneous Switching power supply control chip
NB1 controls the switching frequency of metal-oxide-semiconductor, thus the working frequency of control switch transformer TB1.Switch transformer TB1 coupling output
The rectified diode DB66 of secondary AC voltage carries out the operating voltage of rectification output 12V LCD TV.
Referring to shown in attached drawing 4, the LCD TV with a variety of power supply modes in the present embodiment, LCD TV it is vehicle-mounted
Storage battery group power supply management module is used for external vehicular power-bottle, powers for TV comprising anti-reverse Power Entry Module, over-voltage system
Blanket insurance shield and under-voltage battery pack protection module, external 12V power supply adaptor, vehicle-mounted 12V storage battery.In figure, direct current DC12V power supply
It is inputted through P1DC interface socket, through D610/D611 diode to LCD TV backend load output voltage.This part is anti-reverse
Enter design cell, be exactly the unilateral conduction using diode, when preventing DC direct current from accessing, positive and negative anodes are reversed and lead to TV plate
Card rear end power-supply system and the damage of external DC suppling equipment, protect TV and external DC suppling equipment very well.
Referring to shown in attached drawing 4-5, the LCD TV with a variety of power supply modes in the present embodiment, when front end DC voltage is defeated
It is fashionable, voltage is carried out in R144 and R145 resistance, partitioned level DC-DET is given to rear end MCU and carries out ADC sampling, system
MCU is sampled definition: the DC input voltage corresponding to the level voltage of ADC is when being lower than 10.5V, system MCU prompt electricity
It presses through low, and prompts to shut down at 2 minutes, this is under-voltage protection, in order to avoid the electricity of battery consumes excessively, is played level
Protective effect, while TV can also work normally.The DC input voltage corresponding to the level voltage of ADC when being lower than 13.5V,
System MCU is directly given to lamp to be instructed and dodges red light always, prompts the external supply voltage of the current institute of user excessively high, user can not open
Machine, this overvoltage protection play a protective role to each circuit system in rear end.It is maximum normal when shielding LVDS operating voltage is 12V
Operating voltage is 13.8V, and minimum normal working voltage is 10.8V.
The LCD TV with a variety of power supply modes in the present embodiment, power management voltage transformation module includes the sun
Can power conversion module, city's exchange AC Switching Power Supply power supply conversion module, DC adapter power supply management module, vehicular power-bottle group
Power supply management module, referring to shown in attached drawing 5, system 12V voltage DC-DC U501 exports 5V standby voltage, while 5V
Standby voltage does the control of rear end 5V power switch with switch metal-oxide-semiconductor Q501.5V standby power supply also LDOU114 output
3.3V System on Chip/SoC 3.3V MCU power supply, rear end 5V power supply DC-DC U7 output 1.8V are given to the power supply of system DDR,
The working power of system 12V voltage DC-DC U102 output 1.15V system CPU.
The LCD TV with a variety of power supply modes in the present embodiment, signal input module access are external as HDMI believes
Number, VGA signal, YPBPR signal, AV signal, usb signal, the signals such as RF signal are given to liquid crystal television mainboard display control module,
The processing and decomposition of picture signal and voice signal are carried out through this part, voice signal is given to speaker sound output module, image
Signal is given to TV display screen module by the transmission of LVDS signal and performs image display.
The design focal point of LCD TV provided by above-described embodiment with a variety of power supply modes is:
The LCD TV with a variety of power supply modes in the present embodiment, by more in power management voltage transformation module
A submodule includes solar powered conversion module, city's exchange AC Switching Power Supply power supply conversion module, DC adapter for fulgurite
Module, vehicular power-bottle group power supply management module and supply voltage output module are managed, so that TV has a variety of power supply modes, energy
Solar powered mode is enough used, solar energy resources are made full use of, by converting solar energy into electric energy and carrying out in TV
Portion's battery pack charges, and battery pack is powered to liquid crystal TV set；Removable storage battery group charging, by moving storage battery group
Security reliability power supply is carried out to liquid crystal TV set；Alternating current AC charging, by the way that alternating current AC100-240VAC and power adaptation can be given
A variety of power supply modes such as device are powered to LCD TV, and by above-mentioned charging in many ways, liquid crystal TV set can be to use
Family more powers selection, while removable using liquid crystal TV set, convenient, environmental protection, energy conservation.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, the shape according to the utility model
Equivalence changes made by shape, construction and principle should all be covered by the protection scope of the utility model.
Claims (5)
1. a kind of LCD TV with a variety of power supply modes, the LCD TV includes power management voltage transformation module, electricity
Depending on mainboard display control module, TV display screen module and TV port module, the power management voltage modulus of conversion
Block is electrically connected TV motherboard display control module, the TV motherboard display control module and TV display screen module and
TV port module electrical connection, which is characterized in that the power management voltage transformation module include solar powered conversion module,
City exchange AC Switching Power Supply power supply conversion module, DC adapter power supply management module, vehicular power-bottle group power supply management module with
And supply voltage output module, the solar powered conversion module, city's exchange AC Switching Power Supply power supply conversion module, direct current are suitable
Orchestration power supply management module and vehicular power-bottle group power supply management module are electrically connected with the supply voltage output module respectively, described
Supply voltage output module is electrically connected TV motherboard display control module.
2. the LCD TV according to claim 1 with a variety of power supply modes, which is characterized in that described solar powered
Conversion module includes that charge management module and internal battery group module, the charge management module are electrically connected with internal battery group module
It connects, the internal battery group module is electrically connected the supply voltage output module.
3. the LCD TV according to claim 1 or 2 with a variety of power supply modes, which is characterized in that the vehicle mounted electric
Bottle group power supply management module includes anti-reverse Power Entry Module, overpressure system is protected and under-voltage battery pack protection module, described
Anti-reverse Power Entry Module is electrically connected with under-voltage battery pack protection module, the under-voltage battery pack protection module electric connection of power supply
Voltage output module.
4. the LCD TV according to claim 3 with a variety of power supply modes, which is characterized in that the television mouth mold
Block includes signal input module and speaker sound output module, and the signal input module and speaker sound output module are distinguished
It is electrically connected with TV motherboard display control module.
5. the LCD TV according to claim 1 with a variety of power supply modes, which is characterized in that described solar powered
Conversion module includes rechargeable solar battery managing chip, diode, field-effect tube and several resistance, inductance and capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248725.2U CN208540037U (en) | 2018-08-03 | 2018-08-03 | A kind of LCD TV with a variety of power supply modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821248725.2U CN208540037U (en) | 2018-08-03 | 2018-08-03 | A kind of LCD TV with a variety of power supply modes |
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| Publication Number | Publication Date |
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| CN208540037U true CN208540037U (en) | 2019-02-22 |
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| CN201821248725.2U Active CN208540037U (en) | 2018-08-03 | 2018-08-03 | A kind of LCD TV with a variety of power supply modes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818348A (en) * | 2019-02-28 | 2019-05-28 | 深圳慧安康科技有限公司 | Smart machine and its power-supply circuit and method |
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2018
- 2018-08-03 CN CN201821248725.2U patent/CN208540037U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818348A (en) * | 2019-02-28 | 2019-05-28 | 深圳慧安康科技有限公司 | Smart machine and its power-supply circuit and method |
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