CN207053651U - A kind of circuit and television set for reducing television standby power consumption - Google Patents
A kind of circuit and television set for reducing television standby power consumption Download PDFInfo
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- CN207053651U CN207053651U CN201720656151.1U CN201720656151U CN207053651U CN 207053651 U CN207053651 U CN 207053651U CN 201720656151 U CN201720656151 U CN 201720656151U CN 207053651 U CN207053651 U CN 207053651U
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Abstract
A kind of television set the utility model discloses circuit for reducing television standby power consumption and comprising the circuit, the circuit includes forms voltage reduction circuit by resistance R1, resistance R3, resistance R8, resistance R9, resistance R10, resistance R11, metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage-regulator diode D1, in television system normal work, when movement signal is in high level, metal-oxide-semiconductor Q1 is in the conduction state, metal-oxide-semiconductor Q2 is in cut-off state, now, voltage reduction circuit is not on-state, then the voltage of power output end output is normal；When television system stand-by operation, when movement signal is in low level, metal-oxide-semiconductor Q1 is in cut-off state, and metal-oxide-semiconductor Q2 is in the conduction state, and voltage reduction circuit is conducting state, then the voltage of power output end output reduces.The circuit of reduction standby power consumption of television set in the utility model, the stand-by power consumption of television set is reduced using operating voltage when reducing TV standby, therefore the television set in the utility model has relatively low stand-by power consumption.
Description
Technical field
It the utility model is related to technical field of television sets, more particularly to a kind of circuit and TV for reducing television standby power consumption
Machine.
Background technology
Stand-by power consumption refers to energy resource consumption of the household appliances when shutting down or not exercising its original function.Exist with household appliances
Caused available energy dissipation is different during use, and stand-by power consumption is substantially a kind of energy waste.At present, set in television product
In meter, the green TV of energy-conserving and environment-protective and high performance-price ratio can more attract the eyeball of consumer, therefore design energy-saving electric power has efficacious prescriptions
Case has become the task of top priority of current TV industry.
It is now the energy efficiency indexes for improving television set, it is necessary to the stand-by power consumption of television set be reduced, so as to reach more preferable energy-conservation
Effect, therefore, the research and development of low standby power loss television set are increasingly paid attention to by television set producer.
Utility model content
Part in view of the shortcomings of the prior art, the purpose of this utility model are to provide a kind of reduction television standby work(
The circuit of consumption and the television set comprising this circuit, the circuit of the reduction television standby power consumption are mainly treated by using reduction television set
Operating voltage during machine reduces the stand-by power consumption of television set.
The purpose of this utility model is achieved through the following technical solutions：
A kind of circuit for reducing television standby power consumption, it is defeated comprising power input V_IN, power output end V_OUT, signal
Enter to hold signal, metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage-regulator diode D1, optocoupler N1A, three terminal regulator U1, resistance R1, resistance R2, electricity
Hinder R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, electric capacity
C3, electric capacity C4；Signal input part signal main functions provide low and high level for circuit, and R8, R9 play the work of protection metal-oxide-semiconductor
With, and R8 can provide driving metal-oxide-semiconductor Q1 driving current, when metal-oxide-semiconductor Q1 ends, resistance R1 provides drive to rear class metal-oxide-semiconductor Q2
Dynamic signal, R11 can be used for the driving current for providing metal-oxide-semiconductor Q2 to protect metal-oxide-semiconductor Q2, voltage-regulator diode D1 mainly to play clamper electricity simultaneously
Pressure acts on, and resistance R3 mainly plays metering function, and two metal-oxide-semiconductors mainly play on-off action；
Specifically connected mode is：R10 one end connects signal, R10 other ends connection Q1 grids, Q1 source grounds, Q1 leakages
Pole connects R1 one end and R11 one end respectively, and R9 is connected in parallel on Q1 grid and source electrode both ends, and R1 other ends connection V_IN, R11 is another
End connection Q2 grids, Q2 source grounds, R8 are connected in parallel on Q2 grid and source electrode both ends, Q2 drain electrode connection voltage-regulator diode D1 sun
Pole, voltage-regulator diode D1 negative electrodes connection R3 one end, the R3 other ends connect N1A 2 pin, R2 one end connect respectively N1A 1 pin and
R12 one end, R2 other ends connection V_IN, the R12 other ends connect C3 one end and R4 one end respectively, and the C3 other ends connect R5 mono- respectively
Hold and be grounded by R7, R4 other ends connection C4, R5 other ends connection V_OUT, the C4 other ends are grounded by R7, U1 1 pin point
Not Lian Jie R6 one end and R7 one end, U1 2 pin connect R4 one end and N1A 2 pin, U1 3 pin ground connection, another terminations of R6 respectively
Ground, R7 other ends ground connection,
Wherein, resistance R1, resistance R3, resistance R8, resistance R9, resistance R10, resistance R11, metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage stabilizing
Diode D1 forms voltage reduction circuit；A kind of circuit for reducing standby power consumption of television set of the present utility model is mainly by wherein
Comprising voltage reduction circuit to reduce the standby voltage of television set, and be in television system normal work, movement signal
During high level, metal-oxide-semiconductor Q1 is in the conduction state under driving current effect, and metal-oxide-semiconductor Q2 is in cut-off state, now, decompression control
Circuit processed is not on-state, then the output of power output end V_OUT operating voltages is normal；When television system stand-by operation, movement
When signal is in low level, metal-oxide-semiconductor Q1 is in cut-off state, and metal-oxide-semiconductor Q2 is in the conduction state, and voltage reduction circuit is conducting
State, then power output end V_OUT operating voltages output reduce.
Further, electric capacity C1 and electric capacity C2, electric capacity C1 one end connection power input V_IN, electric capacity are included
C1 other end ground connection, electric capacity C2 one end connect the power output end V_OUT, electric capacity C2 other end ground connection.
Further, the signal input part signal is specially movement, and main function is to input height for whole circuit
Level.
The invention also discloses a kind of television set of low standby power loss, is specially：
A kind of television set, include a kind of circuit of any of the above-described reduction TV motherboard standby power.
Further, tandem circuit is also included in the television set, the tandem circuit includes power voltage terminal Vdd, electricity
The R13 and optocoupler N1A is hindered, described resistance R13 one end connects the power voltage terminal Vdd, the resistance R13 other ends connection
4 pin of the optocoupler N1A, the circuit of the tandem circuit and the reduction TV SKD standby power pass through the optocoupler
N1A is connected.
The utility model compared with the prior art, has advantages below and had the beneficial effect that, electric comprising reducing in television set
Depending on the circuit of mainboard standby power, operating voltage during by reducing TV standby effectively reduces whole set of television system
Stand-by power consumption, effectively reduced compared with making power consumption of power consumption when normal work during TV standby, so that TV
Machine is more environmentally-friendly, while the effectively cost performance of lifting television set, television set is more favored by consumer.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams that television standby power consumption is reduced in embodiment；
Fig. 2 is the schematic diagram of the tandem circuit in embodiment.
Embodiment
The utility model is described in further detail with reference to embodiment：
Embodiment
As shown in Figures 1 and 2, a kind of television set, inside include the circuit for reducing standby power consumption of television set, and basis electricity
Road, the circuit for reducing standby power consumption of television set is attached to after the tandem circuit in television set, for reducing TV standby
When operating voltage, reduce and following device included in the circuit of standby power consumption of television set：Power input V_IN, power output end
V_OUT, movement signal, metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage-regulator diode D1, optocoupler N1A, three terminal regulator U1, resistance R1, electricity
Hinder R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance
R12, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4；
Movement signal main functions provide low and high level for circuit, and resistance R8, resistance R9 play the work of protection metal-oxide-semiconductor
With, and resistance R8 can provide driving metal-oxide-semiconductor Q1 driving current, when metal-oxide-semiconductor Q1 ends, resistance R1 carries to rear class metal-oxide-semiconductor Q2
For drive signal, resistance R11 can be used for providing metal-oxide-semiconductor Q2 driving current while protect metal-oxide-semiconductor Q2, and voltage-regulator diode D1 is main
Play clamp voltage, resistance R3 mainly plays metering function, and two metal-oxide-semiconductors mainly play on-off action；
Specifically connected mode is：Electric capacity C1 one end connects power input V_IN, electric capacity C1 other ends ground connection, resistance R10
One end connects movement signal, resistance R10 other ends connection metal-oxide-semiconductor Q1 grids, metal-oxide-semiconductor Q1 source grounds, metal-oxide-semiconductor Q1 drain electrodes point
Not Lian Jie resistance R1 one end and resistance R11 one end, resistance R9 is connected in parallel on metal-oxide-semiconductor Q1 grid and source electrode both ends, and resistance R1 is another
End connection power input V_IN, resistance R11 other ends connection metal-oxide-semiconductor Q2 grids, metal-oxide-semiconductor Q2 source grounds, resistance R8 are in parallel
Grid and source electrode both ends in metal-oxide-semiconductor Q2, metal-oxide-semiconductor Q2 drain electrode connection voltage-regulator diode D1 anodes, voltage-regulator diode D1 negative electrodes connect
Connecting resistance R3 one end, resistance R3 other ends connection optocoupler N1A 2 pin, resistance R2 one end connects optocoupler N1A 1 pin and electricity respectively
R12 one end, resistance R2 other ends connection power input V_IN are hindered, the resistance R12 other ends connect electric capacity C3 one end and electricity respectively
R4 one end is hindered, the electric capacity C3 other ends connect resistance R5 one end and are grounded by resistance R7 respectively, resistance R4 other ends connection electric capacity
C4, resistance the R5 other end connect power output end V_OUT, and the electric capacity C4 other ends are grounded by resistance R7, and the 1 of three terminal regulator U1
Pin connects resistance R6 one end and resistance R7 one end respectively, and three terminal regulator U1 2 pin connect resistance R4 one end and optocoupler N1A respectively
2 pin, three terminal regulator U1 3 pin ground connection, the resistance R6 other ends ground connection, the resistance R7 other ends ground connection, electric capacity C2 one end connection
Power output end V_OUT, electric capacity the C2 other end are grounded.
Wherein, resistance R1, resistance R3, resistance R8, resistance R9, resistance R10, resistance R11, metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage stabilizing
Diode D1 forms voltage reduction circuit；A kind of circuit for reducing standby power consumption of television set of the present utility model is mainly by wherein
Comprising voltage reduction circuit to reduce the standby voltage of television set, and be in television system normal work, movement signal
During high level, metal-oxide-semiconductor Q1 is in the conduction state under driving current effect, and metal-oxide-semiconductor Q2 is in cut-off state, now, decompression control
Circuit processed is not on-state, then the output of power output end V_OUT operating voltages is normal；When television system stand-by operation, movement
When signal is in low level, metal-oxide-semiconductor Q1 is in cut-off state, and metal-oxide-semiconductor Q2 is in the conduction state, and voltage reduction circuit is conducting
State, then power output end V_OUT operating voltages output reduce.
When television system normal work, movement signal is in high level, and metal-oxide-semiconductor Q1 inputs in power input V_IN
Driving current effect under it is in the conduction state, resistance R1 is directly coupled between power input V_IN and the earth；Due to metal-oxide-semiconductor
Q1 drain electrode is in low level, therefore metal-oxide-semiconductor Q2 grid is in low level, therefore, in television system normal work, movement
When signal is in high level, metal-oxide-semiconductor Q1 is in the conduction state, and metal-oxide-semiconductor Q2 is in cut-off state, voltage-regulator diode D1 and resistance
R3 is then suspended, i.e. voltage-regulator diode D1 and resistance R3 are in off state, then now voltage reduction circuit is off-state, no
Antihypertensive effect can be played, then the operating voltage of power output end V_OUT outputs is normal.
When television system stand-by operation, movement signal is in low level, and metal-oxide-semiconductor Q1 grid is in low level, because
This metal-oxide-semiconductor Q1 is in cut-off state, because resistance R1 one end connects power input V_IN, and the resistance R1 other ends and metal-oxide-semiconductor
Q1 drain electrode and resistance R11 one end are connected, and when metal-oxide-semiconductor Q1 ends, resistance R1 can be provided by resistance R11 to rear class metal-oxide-semiconductor Q2
Drive signal, then now metal-oxide-semiconductor Q2 is under power input V_IN effects, and grid is high level, then metal-oxide-semiconductor Q2 is on shape
State, voltage-regulator diode D1 and resistance R3 are connected with being connected in series to, therefore reduce stand-by power consumption circuit normal work, power output end V_
The output of OUT operating voltages reduces.
In practice, the related device with particular value can be selected according to demand, for the ease of calculating in the present embodiment, it is assumed that
Resistance R2 resistance is r2, and resistance R3 resistance is r3, and resistance R5 resistance is r5, and resistance R6 resistance is r6, resistance R7's
Resistance is r7, and the fixed value voltage of three terminal regulator U1 outputs is V1, then optocoupler N1A both ends fixed voltage value is V2, voltage stabilizing two
Pole pipe D1 both ends fixed voltage value is V3, then
Specifically, when television system normal work, movement signal is in high level, and metal-oxide-semiconductor Q1 is in the conduction state,
Metal-oxide-semiconductor Q2 is in cut-off state, and now, voltage reduction circuit is not turned on, in this circuit after resistance R6 and resistance R7 parallel connections again and
Resistance R5 connects, and resistance is 1/ (1/r6+1/r7) after resistance R6 and resistance R7 parallel connections, and all-in resistance is r5+1/ (1/r6+ in circuit
1/r7), electric current is V1/ (1/ (1/r6+1/r7)) in circuit, and the operational voltage value V_out of power output end V_OUT outputs is
(V1/(1/(1/r6+1/r7)))*(r5+1/(1/r6+1/r7))。
Specifically, as shown in Fig. 2 power voltage terminal Vdd, resistance R13 and optocoupler N1A, resistance R13 are included in tandem circuit
One end connects power voltage terminal Vdd, and resistance R13 other ends connection optocoupler N1A 4 pin, tandem circuit is with reducing TV SKD
The circuit of standby power is connected by optocoupler N1A, it is assumed that the current value in tandem circuit is I0, when television system stand-by operation
When, movement signal is in low level, and metal-oxide-semiconductor Q1 is in cut-off state, and metal-oxide-semiconductor Q2 is in the conduction state, now, decompression control
Circuit turn-on, resistance R2 and resistance R3 series connection in this circuit, in the electric current i.e. tandem circuit for now flowing through resistance R2 and resistance R3
Electric current and current value be I0, then now, power output end V_OUT output operational voltage value V_out be I0* (r2+r3)+V2
+V3。
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of circuit for reducing television standby power consumption, including the input of power input V_IN, power output end V_OUT, signal
Hold signal, optocoupler N1A, three terminal regulator U1, resistance R2, resistance R4, resistance R5, resistance R6, resistance R7, resistance R12, electric capacity
C3, electric capacity C4, it is characterised in that also including metal-oxide-semiconductor Q1, metal-oxide-semiconductor Q2, voltage-regulator diode D1, resistance R1, resistance R3, resistance R8,
Resistance R9, resistance R10, resistance R11；Wherein：
Resistance R10 one end connection signal input part signal, resistance the R10 other end connection metal-oxide-semiconductor Q1 grid, metal-oxide-semiconductor
Q1 source ground, metal-oxide-semiconductor Q1 drain electrode connect resistance R1 one end and resistance R11 one end respectively, and resistance R9 is connected in parallel on MOS
Pipe Q1 grid and source electrode both ends, resistance the R1 other end connection power input V_IN, resistance R11 other end connection MOS
Pipe Q2 grids, metal-oxide-semiconductor Q2 source ground, resistance R8 are connected in parallel on metal-oxide-semiconductor Q2 grid and source electrode both ends, metal-oxide-semiconductor Q2 drain electrode
Connect voltage-regulator diode D1 anode, voltage-regulator diode D1 negative electrode connection resistance R3 one end, resistance R3 other end connection
Optocoupler N1A 2 pin, resistance R2 one end connect optocoupler N1A 1 pin and resistance R12 one end respectively, and the resistance R2 other end connects
Power input V_IN is met, the resistance R12 other end connects electric capacity C3 one end and resistance R4 one end respectively, and electric capacity C3's is another
One end connects resistance R5 one end and resistance R7 one end respectively, and resistance R4 other end connection electric capacity C4, resistance R5's is another
End connection power output end V_OUT, electric capacity the C4 other end connection resistance R7 one end, three terminal regulator U1 1 pin connect respectively
Connecting resistance R6 one end and resistance R7 one end, three terminal regulator U1 2 pin connect resistance R4 one end and optocoupler N1A respectively
2 pin, three terminal regulator U1 3 pin ground connection, resistance R6 other end ground connection, resistance R7 other end ground connection.
A kind of 2. circuit for reducing television standby power consumption according to claim 1, it is characterised in that also including electric capacity C1 and
Electric capacity C2, electric capacity C1 one end connect the power input V_IN, electric capacity C1 other end ground connection, electric capacity C2 one end connection
The power output end V_OUT, electric capacity C2 other end ground connection.
A kind of 3. circuit for reducing television standby power consumption according to claim 1, it is characterised in that the signal input part
Signal is movement.
4. a kind of television set, it is characterised in that treated comprising a kind of TV motherboard that reduces as described in any in claims 1 to 3
The circuit of acc power.
5. television set according to claim 4, it is characterised in that also include electricity comprising tandem circuit, the tandem circuit
Source voltage end Vdd, resistance R13 and optocoupler N1A, resistance R13 one end connection power voltage terminal Vdd, resistance the R13 other end connect
Optocoupler N1A 4 pin are connect, and the tandem circuit is connected with the circuit of the reduction TV SKD standby power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656151.1U CN207053651U (en) | 2017-06-07 | 2017-06-07 | A kind of circuit and television set for reducing television standby power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656151.1U CN207053651U (en) | 2017-06-07 | 2017-06-07 | A kind of circuit and television set for reducing television standby power consumption |
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| Publication Number | Publication Date |
|---|---|
| CN207053651U true CN207053651U (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720656151.1U Active CN207053651U (en) | 2017-06-07 | 2017-06-07 | A kind of circuit and television set for reducing television standby power consumption |
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| CN (1) | CN207053651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500972A (en) * | 2021-03-17 | 2021-10-15 | 联合汽车电子有限公司 | Self-locking circuit and vehicle body controller |
-
2017
- 2017-06-07 CN CN201720656151.1U patent/CN207053651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113500972A (en) * | 2021-03-17 | 2021-10-15 | 联合汽车电子有限公司 | Self-locking circuit and vehicle body controller |
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