CN106851150A - A kind of TV with storage battery power supply function - Google Patents
A kind of TV with storage battery power supply function Download PDFInfo
- Publication number
- CN106851150A CN106851150A CN201710085039.1A CN201710085039A CN106851150A CN 106851150 A CN106851150 A CN 106851150A CN 201710085039 A CN201710085039 A CN 201710085039A CN 106851150 A CN106851150 A CN 106851150A
- Authority
- CN
- China
- Prior art keywords
- power supply
- battery
- storage battery
- circuit
- inverter
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/63—Generation or supply of power specially adapted for television receivers
-
- H02J7/042—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of TV with storage battery power supply function, the electric supply installation powered including television terminal and for television terminal, electric supply installation includes Switching Power Supply, inverter, backlight, battery, charging module and control circuit, and charging module is used to that civil power to be converted into after direct current to be charged for battery；Direct current in battery is by battery controller control electric discharge with to inverter power supply；Control circuit is connected with battery controller, Switching Power Supply and inverter respectively, is inverter power supply by battery or Switching Power Supply by controlling circuit to control switching.A kind of TV with storage battery power supply function of the invention, the normal Shi You cities of civil power supply electricity to TV and power, and civil power it is normal when battery is charged, once civil power it is unstable or power-off when inverter is powered by battery discharging, television set normal play, is played with the uninterrupted power supply that this realizes TV.
Description
Technical field
The present invention relates to a kind of television set, and in particular to a kind of TV with storage battery power supply function.
Background technology
Along with the improvement of people's living standards, LCD TV starts the entrance huge numbers of families of universalness.At present, liquid crystal electricity
Depending on power supply both be from civil power, there is a problem of power supply instability in some mountain areas, and civil power is the problems such as can irregularly have a power failure,
These situations can all influence the normal play of LCD TV.In order to solve this problem, industry also paid pilot production with battery come
Compatibility power supply, to storage battery power supply when civil power normal power supply, civil power can not normally, stable power-supplying when given by battery discharging
TV is powered, and is achieved in the uninterrupted power supply of LCD TV.The battery compatibility power supply mode of current LCD TV still in
, there is many technical problems in development, such as, the charge efficiency of battery is low, necessary Attended mode of charging process etc., many
Problem is all needed to be improved.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of uninterrupted power supply electricity with storage battery power supply function
Depending on.
To reach above-mentioned purpose, technical scheme is as follows：A kind of TV with storage battery power supply function, including
Television terminal and the electric supply installation powered for television terminal, the electric supply installation include Switching Power Supply, inverter and backlight,
It is characterized in that：The electric supply installation also includes,
- battery；
- charging module, it is that the battery charges that it is used to be converted into civil power after direct current；
Direct current in the-battery is by battery controller control electric discharge with to the inverter power supply；
- control circuit, is connected with the battery controller, Switching Power Supply and inverter respectively, is controlled by control circuit
Switching is the inverter power supply by the battery or the Switching Power Supply.
In a preferred embodiment of the invention, further include in the battery charging process by Switching Power Supply to institute
State inverter power supply.
In a preferred embodiment of the invention, further include that the charging module includes charging circuit and switch electricity
Road,
- the charging circuit, it is used to that direct current will to be exported after civil power transformation, rectification, and it includes transformer and rectifier,
The output end connection battery of the rectifier；
- the on-off circuit, it is connected between the output end of rectifier and battery, for controlling the switching charging
Whether circuit is connected with battery.
In a preferred embodiment of the invention, further include that the on-off circuit includes the Q1 of triode one, relay
One K1, operational amplifier EA, voltage-stablizer T, the R1 of resistance one, the R2 of resistance two, the RP1 of adjustable resistance one, the RP2 of adjustable resistance two, voltage stabilizing
Device T connects the output end of charging circuit, and the R1 of the resistance one and R2 of resistance two connects, and series connection node A, and both strings are formed between the two
It is in parallel with the battery after connection, the inverting input of node A concatenation operation amplifiers EA, the RP1 of adjustable resistance one and adjustable electric
Two RP2 series connection is hindered, the output end of connection voltage-stablizer T after series connection node B, and both series connection, node B connection fortune are formed between the two
The normal phase input end of amplifier EA is calculated, the output end point two-way of operational amplifier EA connects the RP2 of adjustable resistance two, all the way all the way
The base stage of the Q1 of connecting triode one, the grounded emitter of the Q1 of triode one is connected after its collector connection relay one T1 and charged
The output end of circuit.
In a preferred embodiment of the invention, further include that the on-off circuit also includes diode D, diode D
In parallel with the K1 of relay one, the colelctor electrode of its positive pole connecting triode one Q1, its negative pole connects the output end of charging circuit.
In a preferred embodiment of the invention, further include that the on-off circuit also includes light emitting diode DL, institute
State Light-Emitting Diode DL to be connected between voltage-stablizer and charging circuit output end, its positive pole connection voltage-stablizer, its negative pole ground connection.
In a preferred embodiment of the invention, further include that the adjustable resistance one and adjustable resistance two are numeral
Adjustable resistance.
In a preferred embodiment of the invention, further include that the control circuit includes the Q2 of triode two, relay
Two K2 and control chip, the base stage connection control chip of the Q2 of triode two, its grounded emitter, its collector connection relay two
Connecting valve power supply after K2.
In a preferred embodiment of the invention, further include that the backlight is cathode fluorescent tube.
In a preferred embodiment of the invention, further include that civil power is converted into 24V direct currents by the charging module
After store in the battery, Switching Power Supply output 24V direct currents supply electricity to inverter power supply.
The beneficial effects of the invention are as follows：
One, a kind of TV with storage battery power supply function of the invention, the normal Shi You cities of civil power supply electricity to TV and power,
And civil power it is normal when battery is charged, once civil power it is unstable or power-off when inverter is carried out by battery discharging
Power supply, television set normal play is played with the uninterrupted power supply that this realizes TV；
Secondly, the charging module of optimization design on the one hand can improve the charge efficiency of battery, on the other hand can do
To automatic charging, it is automatically stopped after abundance, is not required to special messenger guard.
Brief description of the drawings
Technical scheme in technology in order to illustrate more clearly the embodiments of the present invention, in being described to embodiment technology below
The required accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some realities of the invention
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the circuit theory diagrams of the preferred embodiment of the present invention.
Wherein：10- television terminals, 20- batteries, 30- control circuits, 40- charging circuits, 50- on-off circuits.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment
As shown in figure 1, a kind of TV with storage battery power supply function is disclosed in the present embodiment, including television terminal 10
With the electric supply installation powered for television terminal, the electric supply installation include Switching Power Supply, inverter, backlight, battery 20,
Charging module and control circuit 30.
Wherein backlight forms the backlight of LCD TV terminal 10, it is preferred to use CCFL backlights, CCKL backlight works
Make voltage between 1000-2000V, voltage so high is the warp by opening the DC voltage that extension power supply or battery 20 are exported
Obtained after inverter boosting.
Charging module its be used to be converted into civil power after direct current to be that above-mentioned battery charges；
Direct current in above-mentioned battery is by battery controller control electric discharge with to above-mentioned inverter power supply；
Control circuit is connected with above-mentioned battery controller, Switching Power Supply and inverter respectively, is cut by the control of control circuit
It is above-mentioned inverter power supply to change by above-mentioned battery or above-mentioned Switching Power Supply.
In this way, LCD TV terminal 10 has two kinds of power supply modes, by mains-supplied when civil power stablizes normal, civil power is through becoming
Exported to inverter through Switching Power Supply after pressure, rectification；And charged to battery 20 during civil power normal power supply；Civil power is unstable
Or during power-off, discharged by battery 20 and powered to LCD TV terminal 10, played with the uninterrupted power supply that this realizes TV.
Battery 20 is related to two courses of work, and one is to charge, and one is electric discharge, is charged to solve current battery
During efficiency is low, need the technology that special messenger guards, optimization design charging module of the present invention, and its concrete structure is as follows：
Above-mentioned charging module include charging circuit 40 and on-off circuit 50, above-mentioned charging circuit 40 be used for by civil power transformation,
Direct current is exported after rectification, it includes transformer and rectifier, the output end connection battery 20 of above-mentioned rectifier；Above-mentioned switch
Circuit 50 is connected between the output end of rectifier and battery, for controlling the above-mentioned charging circuit 40 of switching to be with battery 20
No connection.
Specifically, said switching circuit includes the Q1 of triode one, the K1 of relay one, operational amplifier EA, voltage-stablizer T, electricity
Hinder a R1, the R2 of resistance two, the RP1 of adjustable resistance one, the output end of adjustable resistance two RP2, voltage-stablizer T connection charging circuit, resistance
The one R1 and R2 of resistance two is connected, and, node A company in parallel with above-mentioned battery after series connection node A, and both series connection is formed between the two
The inverting input of operational amplifier EA is connect, the RP1 of the adjustable resistance one and RP2 of adjustable resistance two is connected, and series connection is formed between the two
The output end of voltage-stablizer T, the normal phase input end of node B concatenation operation amplifiers EA, computing are connected after node B, and both series connection
The output end of amplifier EA point two-way, connects the RP2 of adjustable resistance two, all the way the base stage of the Q1 of connecting triode one, triode all the way
The grounded emitter of one Q1, connects the output end of charging circuit after its collector connection relay one T1.
The on-off circuit course of work of above structure is as follows：Civil power charges after transformation, rectification to battery 20；Work as electric power storage
When pond 20 rises 25.2V, A point current potentials are raised to 4.73V, and B points current potential is 4.7V, operational amplifier EA output low potentials, three poles
The Q1 of pipe one ends, the K1 dead electricity of relay one, charges and stops；Output current declines simultaneously, and B points electricity is made by the RP1 of adjustable resistance one
Position drops to 3.6V by 4.7V, and further operational amplifier EA outputs are locked on low potential.As the electric discharge of battery 20 makes
With, when voltage drops to 22.8, A points current potential is less than 3.6V, and at this moment A point current potentials are lower than B point current potentials, operational amplifier EA upsets,
Output high level, the Q1 of triode one conductings, the K1 adhesives of relay one, battery is started to charge up again, meanwhile, the RP2 of adjustable resistance two
Drive, B point current potentials rise to 4.7V again, locking operational amplifier EA exports high level, and when charging to 25.2V, operational amplifier is again
Once inside out is low level, so repeats above-mentioned circulation and realizes the left unguarded that battery charges, and charge efficiency is high.
Separately, in charge and discharge process, upset threshold values is adjusted by the RP1 of adjustable resistance one, and upset lagging voltage passes through adjustable electric
Two RP2 regulations are hindered, upset threshold values and lagging voltage can be adjusted by changing two resistances of adjustable resistance, to adapt to different rule
The battery 20 of lattice, preferably two adjustable resistances of the invention are solid relay, and degree of regulation is high, it is easy to control.
Said switching circuit also includes diode D, and diode D is in parallel with the K1 of relay one, its positive pole connecting triode one
The colelctor electrode of Q1, its negative pole connects the output end of charging circuit；Diode D protection triodes one Q1.
Said switching circuit is also connected to voltage-stablizer and charging circuit including light emitting diode DL, above-mentioned Light-Emitting Diode DL
Between output end, its positive pole connection voltage-stablizer, its negative pole ground connection；Can intuitively check that battery is by light emitting diode DL
No to charge, battery enters charge mode when light emitting diode DL is bright, otherwise enters discharge mode.
Above-mentioned control circuit includes the Q2 of triode two, the K2 of relay two and control chip, and the base stage of the Q2 of triode two is connected
Control chip, its grounded emitter, connecting valve power supply after its collector connection relay two K2.There is control chip to control three poles
Whether the Q2 of pipe two turns on, and switching supplies electricity to LCD TV terminal and powers by city when triode Q2 is turned on；By storing during triode Q2 cut-offs
Battery is powered to LCD TV terminal.
Be converted into for civil power to be stored in above-mentioned battery after 24V direct currents by above-mentioned charging module, and above-mentioned Switching Power Supply is defeated
Go out 24V direct currents and supply electricity to inverter power supply.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of TV with storage battery power supply function, including television terminal and the electric supply installation powered for television terminal,
The electric supply installation includes Switching Power Supply, inverter and backlight, it is characterised in that：The electric supply installation also includes,
- battery；
- charging module, it is that the battery charges that it is used to be converted into civil power after direct current；
Direct current in the-battery is by battery controller control electric discharge with to the inverter power supply；
- control circuit, is connected with the battery controller, Switching Power Supply and inverter respectively, is controlled to switch by control circuit
It is the inverter power supply by the battery or the Switching Power Supply.
2. a kind of TV with storage battery power supply function according to claim 1, it is characterised in that：The battery fills
In electric process the inverter power supply is given by Switching Power Supply.
3. a kind of TV with storage battery power supply function according to claim 2, it is characterised in that：The charging module
Including charging circuit and on-off circuit,
- the charging circuit, it is used to that direct current will to be exported after civil power transformation, rectification, and it includes transformer and rectifier, described
The output end connection battery of rectifier；
- the on-off circuit, it is connected between the output end of rectifier and battery, for controlling the switching charging circuit
Whether connected with battery.
4. a kind of TV with storage battery power supply function according to claim 3, it is characterised in that：The on-off circuit
Including triode one (Q1), relay one (K1), operational amplifier (EA), voltage-stablizer (T), resistance one (R1), resistance two (R2),
Adjustable resistance one (RP1), adjustable resistance two (RP2), voltage-stablizer (T) connect the output end of charging circuit, resistance one (R1) and electricity
Resistance two (R2) series connection, forms, node A concatenation operation in parallel with the battery after series connection node A, and both series connection between the two
The inverting input of amplifier (EA), adjustable resistance one (RP1) and adjustable resistance two (RP2) are connected, and series connection is formed between the two
The output end of connection voltage-stablizer (T) after node B, and both series connection, the normal phase input end of node B concatenation operations amplifier (EA),
The output end of operational amplifier (EA) point two-way, connects adjustable resistance two (RP2), all the way the base of connecting triode one (Q1) all the way
Pole, the grounded emitter of triode one (Q1), its collector connection relay one (T1) connects the output end of charging circuit afterwards.
5. a kind of TV with storage battery power supply function according to claim 4, it is characterised in that：The on-off circuit
Also include diode (D), diode (D) is in parallel with relay one (K1), the colelctor electrode of its positive pole connecting triode one (Q1), its
Negative pole connects the output end of charging circuit.
6. a kind of TV with storage battery power supply function according to claim 4, it is characterised in that：The on-off circuit
Also include light emitting diode (DL), the Light-Emitting Diode (DL) is connected between voltage-stablizer and charging circuit output end, and it is just
Pole connects voltage-stablizer, its negative pole ground connection.
7. a kind of TV with storage battery power supply function according to claim 4, it is characterised in that：The adjustable resistance
One and adjustable resistance two be solid relay.
8. a kind of TV with storage battery power supply function according to claim 1, it is characterised in that：The control circuit
Including triode two (Q2), relay two (K2) and control chip, the base stage connection control chip of triode two (Q2), its transmitting
Pole is grounded, its collector connection relay two (K2) connecting valve power supply afterwards.
9. a kind of TV with storage battery power supply function according to claim 1, it is characterised in that：The backlight is
Cathode fluorescent tube.
10. a kind of TV with storage battery power supply function according to claim any one of 1-9, it is characterised in that：Institute
State charging module to be converted into civil power to be stored in the battery after 24V direct currents, the Switching Power Supply exports 24V direct currents
To inverter power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085039.1A CN106851150A (en) | 2017-02-17 | 2017-02-17 | A kind of TV with storage battery power supply function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085039.1A CN106851150A (en) | 2017-02-17 | 2017-02-17 | A kind of TV with storage battery power supply function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106851150A true CN106851150A (en) | 2017-06-13 |
Family
ID=59127650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085039.1A Pending CN106851150A (en) | 2017-02-17 | 2017-02-17 | A kind of TV with storage battery power supply function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851150A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737756A (en) * | 2018-04-24 | 2018-11-02 | 康佳集团股份有限公司 | A kind of power control method and its television set based on television set |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196005A1 (en) * | 2003-04-04 | 2004-10-07 | Sanyo Denki Co., Ltd. | Uninterruptible power supply device with circuit for degradation judgment of storage battery |
| CN201063733Y (en) * | 2007-06-06 | 2008-05-21 | 康佳集团股份有限公司 | Television device of automatic power supply |
| CN101651807A (en) * | 2008-08-15 | 2010-02-17 | 深圳Tcl新技术有限公司 | TV set with standby power supply |
| CN104201751A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Charge controller for direct-inserting type universal meter |
| CN204858532U (en) * | 2015-06-30 | 2015-12-09 | 海芝通电子(深圳)有限公司 | Mobile phone lithium battery crosses to fill puts protection circuit |
| CN206559503U (en) * | 2017-02-17 | 2017-10-13 | 昆山康佳电子有限公司 | A kind of TV with storage battery power supply function |
-
2017
- 2017-02-17 CN CN201710085039.1A patent/CN106851150A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040196005A1 (en) * | 2003-04-04 | 2004-10-07 | Sanyo Denki Co., Ltd. | Uninterruptible power supply device with circuit for degradation judgment of storage battery |
| CN201063733Y (en) * | 2007-06-06 | 2008-05-21 | 康佳集团股份有限公司 | Television device of automatic power supply |
| CN101651807A (en) * | 2008-08-15 | 2010-02-17 | 深圳Tcl新技术有限公司 | TV set with standby power supply |
| CN104201751A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | Charge controller for direct-inserting type universal meter |
| CN204858532U (en) * | 2015-06-30 | 2015-12-09 | 海芝通电子(深圳)有限公司 | Mobile phone lithium battery crosses to fill puts protection circuit |
| CN206559503U (en) * | 2017-02-17 | 2017-10-13 | 昆山康佳电子有限公司 | A kind of TV with storage battery power supply function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108737756A (en) * | 2018-04-24 | 2018-11-02 | 康佳集团股份有限公司 | A kind of power control method and its television set based on television set |
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Application publication date: 20170613 |
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