CN205427505U - Zero power consumption standby circuit and electronic product - Google Patents

Zero power consumption standby circuit and electronic product Download PDF

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Publication number
CN205427505U
CN205427505U CN201520761803.9U CN201520761803U CN205427505U CN 205427505 U CN205427505 U CN 205427505U CN 201520761803 U CN201520761803 U CN 201520761803U CN 205427505 U CN205427505 U CN 205427505U
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China
Prior art keywords
resistance
switching tube
circuit
input
tube
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Expired - Fee Related
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CN201520761803.9U
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Chinese (zh)
Inventor
魏林
何海彬
鲍宗奖
徐华文
罗显明
王魁
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Shenzhen Cxunion Technology Co Ltd
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Shenzhen Cxunion Technology Co Ltd
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Priority to CN201520761803.9U priority Critical patent/CN205427505U/en
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Abstract

The utility model relates to a zero power consumption standby circuit and electronic product, the zero power consumption standby circuit is used for connecting between power and load, switch circuit and standby control circuit including interconnect, standby control circuit includes power tube and singlechip, the power tube is connected with rechargeable battery, the power tube still with switch circuit connects, the singlechip includes an input/output pin and the 2nd input/output pin, just an input/output pin with switch circuit connects, the singlechip is used for the basis switch circuit's on off state control the level of the 2nd input/output pin. The utility model discloses can fall to the consumption minimumly when the standby.

Description

Zero consumption standby circuit and electronic product
Technical field
This utility model relates to standby treatment technology, particularly relates to a kind of Zero consumption standby circuit and electronic product.
Background technology
Along with energy-conserving and environment-protective become common recognition, lower stand-by power consumption technology is also paid attention to by consumer, it is reported, the electric energy that electric equipment products are consumed when standby, has become as a kind of serious energy waste, and therefore the excavation of power-saving technology seems extremely important.The electronic product most of the times such as electrical equipment, all in holding state, if electrical equipment power consumption when standby can be reduced, can save a large amount of electric energy.
But, traditional appliance circuit is when standby, although main power source module is equivalent to quit work, but each module being connected with main power source module is the most also producing energy consumption, the most still there is power consumption.
Utility model content
Based on this, it is necessary to provide a kind of Zero consumption standby circuit power consumption can being preferably minimized when standby.
Additionally, also provide for a kind of electronic product.
A kind of Zero consumption standby circuit, for being connected between power supply and load, including interconnective on-off circuit and readiness control circuit, described readiness control circuit includes power tube and single-chip microcomputer, the input of described power tube connects rechargeable battery, the input of described power tube is also connected with described on-off circuit, described single-chip microcomputer includes the first input and output pin and the second input and output pin, and described first input and output pin is connected with described on-off circuit, described single-chip microcomputer controls the level of described second input and output pin for the on off state according to described on-off circuit.
Wherein in an embodiment, whether described single-chip microcomputer is operated in being additionally operable to be supported on Preset Time described in detection, if it is not, then control load to enter holding state.
Wherein in an embodiment, described on-off circuit includes the first resistance, the second resistance and button;Described readiness control circuit also includes the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first diode, the second diode and switching tube;
Wherein, described first resistance eutral grounding is passed through in one end of described button, and the other end of described button is connected with the input of described power tube by described second resistance;
The anode of described first diode is connected with described first input and output pin, and the anode of described first diode is additionally attached to described first resistance and the common port of described button;The anode of described second diode is connected with described second input and output pin, and the negative electrode of described first diode and described second diode is all connected with the control end of described switching tube;
The hot end of described switching tube is connected with the input of described power tube by described 6th resistance, the cold end ground connection of described switching tube;One end external power supply of described 4th resistance, the described other end of the 4th resistance is connected with the control end of described switching tube, described 5th resistance is connected between control end and the cold end of described switching tube, the end that controls of described power tube is connected between described 6th resistance and the hot end of described switching tube, and the outfan of described power tube connects load.
Wherein in an embodiment, described switching tube is N-type metal-oxide-semiconductor, the control end that grid is described switching tube of described N-type metal-oxide-semiconductor, the hot end that drain electrode is described switching tube of described N-type metal-oxide-semiconductor, the cold end that source electrode is described switching tube of described N-type metal-oxide-semiconductor.
Wherein in an embodiment, described switching tube is paster switching tube, and model is L2N7002LT1G.
Wherein in an embodiment, described switching tube is NPN type triode, the base stage of described NPN type triode is the control end of described switching tube, the hot end of the most described switching tube of current collection of described NPN type triode, the cold end of the most described switching tube of transmitting of described NPN type triode.
Wherein in an embodiment, described power tube is CMOS tube, and model is IRF7425.
Wherein in an embodiment, the resistance of described first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance is respectively 100 kilo-ohms, 10 kilo-ohms, 1 kilo-ohm, 47 kilo-ohms, 100 kilo-ohms, 100 kilo-ohms.
Wherein in an embodiment, described first diode and described second diode are small-signal switching diode, and model is 1N4148WS.
A kind of electronic product, including above-mentioned Zero consumption standby circuit.
Above-mentioned Zero consumption standby circuit and electronic product, including interconnective on-off circuit and readiness control circuit, by being connected the first input and output pin of single-chip microcomputer with on-off circuit to detect the on off state of described on-off circuit in real time, and the level of described second input and output pin is controlled according to described on off state, described power tube the input that can more precisely control outer power voltage is set, when so making to load standby, with the conductive loops between deenergization and load, stand-by power consumption can be reduced to zero.
Accompanying drawing explanation
Fig. 1 is the module map of Zero consumption standby circuit in an embodiment;
Fig. 2 is the schematic diagram of Zero consumption standby circuit in embodiment illustrated in fig. 1.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Refer to Fig. 1, be the module map of Zero consumption standby circuit in an embodiment.
This Zero consumption standby circuit is used for being connected between power supply and load, including interconnective on-off circuit 110 and readiness control circuit 120.Wherein, readiness control circuit 120 includes power tube 122 and single-chip microcomputer 124, the input of power tube 122 connects rechargeable battery, the input of power tube 122 is also connected with on-off circuit 110, single-chip microcomputer 124 includes the first input and output pin and the second input and output pin, and described first input and output pin is connected with on-off circuit 110, single-chip microcomputer 124 controls the level of described second input and output pin for the on off state according to on-off circuit 110.
In one embodiment, whether the single-chip microcomputer 124 in readiness control circuit 120 is additionally operable to be operated in detection is supported on Preset Time, if it is not, then control load to enter holding state.It is appreciated that Preset Time self-defined can be set to 10 minutes, 15 minutes or 20 minutes etc., the most strictly limits.
Specifically, incorporated by reference to Fig. 2, for the schematic diagram of Zero consumption standby circuit in embodiment illustrated in fig. 1.
On-off circuit 110 includes the first resistance R1, the second resistance R2 and button F1.Readiness control circuit 120 includes the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first diode D1, the second diode D2, switching tube Q1, single-chip microcomputer (not shown) and power tube U1.
Wherein, the first resistance R1 ground connection is passed through in one end of button F1, and the other end of button F1 is connected by the input of the second resistance R2 and power tube U1.The anode of the first diode D1 is connected with the first input and output pin E1 of described single-chip microcomputer, and the anode of the first diode D1 is additionally attached to the first resistance R1 and the common port of button F1.The anode of the second diode D2 is connected with the second input and output pin E2 of described single-chip microcomputer, and the negative electrode of the first diode D1 and the second diode D2 is all connected with the control end of switching tube Q1.The hot end of switching tube Q1 is connected by the input of the 6th resistance R6 and power tube U1, the cold end ground connection of switching tube Q1.USB interface external power supply is passed through in 4th resistance R4 one end, and the other end of the 4th resistance R4 is connected with the control end of switching tube Q1, and the 5th resistance R5 is connected between control end and the cold end of switching tube Q1.The end that controls of power tube U1 is connected between the 6th resistance R6 and the hot end of switching tube Q1, and the input of power tube U1 is connected with rechargeable battery VBAT, and the outfan of power tube U1 is connected with load.
In the present embodiment, switching tube Q1 is N-type metal-oxide-semiconductor, the control end that grid is switching tube Q1 of described N-type metal-oxide-semiconductor, the hot end that drain electrode is switching tube Q1 of N-type metal-oxide-semiconductor, the cold end that source electrode is switching tube Q1 of described N-type metal-oxide-semiconductor.Wherein, described N-type metal-oxide-semiconductor is paster switching tube, and model is L2N7002LT1G.
It is appreciated that, in other are implemented, switching tube Q1 can also be other and the intimate components and parts of N-type metal-oxide-semiconductor, as for NPN type triode, the base stage of the most described NPN type triode is the control end of switching tube Q1, the hot end of the current collection of described NPN type triode extremely switching tube Q1, the cold end of the transmitting of described NPN type triode extremely switching tube Q1.
In one embodiment, the resistance of the first resistance R1~the 6th resistance R6 is respectively 100 kilo-ohms, 10 kilo-ohms, 1 kilo-ohm, 47 kilo-ohms, 100 kilo-ohms, 100 kilo-ohms.
In one embodiment, the first diode D1 and the second diode D2 is small-signal switching diode, and model is 1N4148WS.
In one embodiment, power tube U1 is CMOS tube, and model is IRF7425.It addition, the input that the source electrode of described CMOS tube is power tube U1, the outfan that drain electrode is power tube U1 of described CMOS tube, the grid of described CMOS tube is the control end of power tube U1.
The operation principle of above-mentioned Zero consumption standby circuit is described referring to Fig. 2.
Under load off-mode, push button F1 time (time of pushing button can be arranged according to practical situation), the first input and output pin E1 is high level, and now the control end of power tube U1 becomes low level, power tube U1 turns on, and single-chip microcomputer and load all start normally to work.Described single-chip microcomputer detects that the first input and output pin E1 is high level, second input and output pin E2 is low level, therefore the second input and output pin E2 is set to high level, after now button F1 unclamps, the control end of power tube U1 is still low level, load or normal work.
Again push button F1 time, described single-chip microcomputer detects that the first input and output pin E1, the second input and output pin E2 are high level, it is judged that this action is shutdown, and therefore the second input and output pin E2 be set to low level, and load enters holding state.
It addition, when not operated in described single-chip microcomputer detects and is supported on continuous 20 minutes, automatically set low the second input and output pin E2, load is automatically into holding state.
This Zero consumption standby circuit is mainly by the on-off action of switching tube Q1: during holding state, and the control end of power tube U1 is high level, and switching tube Q1 ends, and the circuit between power supply and load disconnects, therefore idle.When push button F1 time (the F1 time that pushes button can be arranged according to practical situation), the control end of power tube U1 becomes low level, and switching tube Q1 turns on, and load starts normal work.The most described single-chip microcomputer detects that the first input and output pin E1 is high level, when the second input and output pin E2 is low level, is set high by the second input and output pin E2 level, and after button F1 unclamps, the control end of power tube U1 is still low level, normal circuit operation.When described single-chip microcomputer detects load nothing operation in continuous 20 minutes, automatically set low the second input and output pin E2, switching tube Q1 and end, thus the conductive loops between disconnecting consumers and power supply, product is automatically into holding state.
Also providing for a kind of electronic product, described electronic product includes above-mentioned Zero consumption standby circuit.
After electronic product entrance is standby, can be fully disconnected power supply, make power consumption close to zero, specific experiment data are as shown in table 1.
Table 1: electricity comparison diagram
Time started End time Initial electricity Electricity at the end of experiment
Test product 1 2015.05.29 15:30 2015.06.10 18:00 4.18V 4.14V
Test product 2 2015.05.29 15:30 2015.06.05 18:00 4.17V 4.15V
Test product 3 2015.05.29 15:30 2015.06.05 18:00 4.18V 4.16V
Test product 4 2015.05.29 15:30 2015.06.05 18:00 4.16V 4.13V
Test product 5 2015.05.29 15:30 2015.06.05 18:00 4.12V 4.10V
Above-mentioned Zero consumption standby circuit and electronic product, including interconnective on-off circuit and readiness control circuit, by being connected the first input and output pin of single-chip microcomputer with on-off circuit to detect the on off state of described on-off circuit in real time, and the level of described second input and output pin is controlled according to described on off state, described power tube the input that can more precisely control outer power voltage is set, when so making to load standby, with the conductive loops between deenergization and load, stand-by power consumption can be reduced to zero.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.

Claims (10)

1. a Zero consumption standby circuit, for being connected between power supply and load, it is characterized in that, including interconnective on-off circuit and readiness control circuit, described readiness control circuit includes power tube and single-chip microcomputer, the input of described power tube connects rechargeable battery, the input of described power tube is also connected with described on-off circuit, described single-chip microcomputer includes the first input and output pin and the second input and output pin, and described first input and output pin is connected with described on-off circuit, described single-chip microcomputer controls the level of described second input and output pin for the on off state according to described on-off circuit.
Zero consumption standby circuit the most according to claim 1, it is characterised in that whether described single-chip microcomputer is operated in being additionally operable to be supported on Preset Time described in detection, if it is not, then control load to enter holding state.
Zero consumption standby circuit the most according to claim 1, it is characterised in that described on-off circuit includes the first resistance, the second resistance and button;Described readiness control circuit also includes the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the first diode, the second diode and switching tube;
Wherein, described first resistance eutral grounding is passed through in one end of described button, and the other end of described button is connected with the input of described power tube by described second resistance;
The anode of described first diode is connected with described first input and output pin, and the anode of described first diode is additionally attached to described first resistance and the common port of described button;The anode of described second diode is connected with described second input and output pin, and the negative electrode of described first diode and described second diode is all connected with the control end of described switching tube;
The hot end of described switching tube is connected with the input of described power tube by described 6th resistance, the cold end ground connection of described switching tube;One end external power supply of described 4th resistance, the described other end of the 4th resistance is connected with the control end of described switching tube, described 5th resistance is connected between control end and the cold end of described switching tube, the end that controls of described power tube is connected between described 6th resistance and the hot end of described switching tube, and the outfan of described power tube connects load.
Zero consumption standby circuit the most according to claim 3, it is characterized in that, described switching tube is N-type metal-oxide-semiconductor, the control end that grid is described switching tube of described N-type metal-oxide-semiconductor, the hot end that drain electrode is described switching tube of described N-type metal-oxide-semiconductor, the cold end that source electrode is described switching tube of described N-type metal-oxide-semiconductor.
Zero consumption standby circuit the most according to claim 4, it is characterised in that described switching tube is paster switching tube, model is L2N7002LT1G.
Zero consumption standby circuit the most according to claim 3, it is characterized in that, described switching tube is NPN type triode, the base stage of described NPN type triode is the control end of described switching tube, the hot end of the most described switching tube of current collection of described NPN type triode, the cold end of the most described switching tube of transmitting of described NPN type triode.
Zero consumption standby circuit the most according to claim 1, it is characterised in that described power tube is CMOS tube, model is IRF7425.
Zero consumption standby circuit the most according to claim 3, it is characterized in that, the resistance of described first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance is respectively 100 kilo-ohms, 10 kilo-ohms, 1 kilo-ohm, 47 kilo-ohms, 100 kilo-ohms, 100 kilo-ohms.
Zero consumption standby circuit the most according to claim 3, it is characterised in that described first diode and described second diode are small-signal switching diode, and model is 1N4148WS.
10. an electronic product, it is characterised in that include Zero consumption standby circuit described in any one of claim 1~9.
CN201520761803.9U 2015-09-28 2015-09-28 Zero power consumption standby circuit and electronic product Expired - Fee Related CN205427505U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054828A (en) * 2017-11-30 2018-05-18 海尔优家智能科技(北京)有限公司 Saving Power Control Circuit and its control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108054828A (en) * 2017-11-30 2018-05-18 海尔优家智能科技(北京)有限公司 Saving Power Control Circuit and its control method

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20160803

Termination date: 20190928