CN209215905U - Zero-power-consumption standby wake-up circuit and electrical equipment - Google Patents
Zero-power-consumption standby wake-up circuit and electrical equipment Download PDFInfo
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- CN209215905U CN209215905U CN201822243203.XU CN201822243203U CN209215905U CN 209215905 U CN209215905 U CN 209215905U CN 201822243203 U CN201822243203 U CN 201822243203U CN 209215905 U CN209215905 U CN 209215905U
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Abstract
The utility model discloses a kind of Zero-power-consumption standby wake-up circuit and electrical equipment, which includes: that first switch first end is connect with external power supply, and first resistor is connected between first end and control terminal；Second resistance is connected between second switch first end and first switch control terminal, second end connects ground wire；The second end of Voltage stabilizing module input terminal connection first switch；3rd resistor first end connects first switch control terminal, and second end is connect with enabling signal；Controller power source input terminal connects Voltage stabilizing module output end, and voltage lockout signal output end connects second switch control terminal.When the circuit is in standby, entire circuit is waken up by enabling signal, controller power source obtain it is electric after controller power source is locked；Device to be controlled enters standby mode after completing control operation, and controller controls voltage lockout signal output end and exports low level signal, and entire circuit enters standby mode, and all components are in off-position, and output power consumption is zero-power, reduces power consumption.
Description
Technical field
The utility model relates to technical field of electric appliances, and in particular to a kind of Zero-power-consumption standby wake-up circuit and electrical equipment.
Background technique
In order to realize low-power consumption, many household electrical appliance can enter standby mode, multi-pass mistake after normal use mode
The above-mentioned control of chip microcontroller.The power control system of existing single-chip microcontroller is as shown in Figure 1, the power control system 200 includes:
Internal pressure stabilizing source module 203, be connected with single-chip microcontroller kernel 201 (single-chip microcontroller kernel 201 with internal pressure stabilizing source module 203 together
Constitute single-chip microcontroller 207), for supplying normal current to single-chip microcontroller kernel 201 when single-chip microcontroller 207 is in normal mode, entering
Low power consumpting state or closed state are entered according to the instruction of single-chip microcontroller kernel 201 when battery saving mode；External pressure stabilizing source module
209, it is connected respectively with external power supply and internal pressure stabilizing source module 203, for being supplied to after increasing the voltage of external power supply
Internal pressure stabilizing source module 203；Key 213 is waken up, enters normal mode for needing to wake up from battery saving mode in single-chip microcontroller 207
When be pressed, generate wake up instruction；Energy supply control module 205, respectively with single-chip microcontroller kernel 201, external pressure stabilizing source module 209,
Internal pressure stabilizing source module 203 with wake up key 213 be connected, for enter battery saving mode when according to single-chip microcontroller kernel 201
It instructs and closes external pressure stabilizing source module 209, when entering normal mode according to steady inside the wake up instruction unlatching for waking up key 213
Potential source module 203 and external pressure stabilizing source module 209, and single-chip microcontroller kernel 201 is notified to be prepared to enter into normal mode；And it unidirectionally leads
Logical module 211, is connected with single-chip microcontroller kernel 201 and external power supply respectively, for supplying low tension to single-chip microcontroller kernel 201
Source maintains the partial circuit work in single-chip microcontroller kernel 201, after single-chip microcontroller 207 enters battery saving mode to wait single-chip microcontroller 207
It is waken up and enters normal mode.
Above-mentioned power control system 200 is equal in the whole process due to energy supply control module 205 and one-way conduction module 211
In electriferous state, certain electric energy, and the single-chip microcontroller kernel after entering battery saving mode of single-chip microcontroller 207 itself can be all consumed
Partial circuit in 201 still have it is in running order with wait be waken up, even under low-power consumption mode, it is still necessary to consumption electricity
Can, it can not further reduce the stand-by power consumption of single-chip microcontroller and entire single chip circuit system.
Utility model content
In view of this, the utility model embodiment provides a kind of Zero-power-consumption standby wake-up circuit and electrical equipment, with solution
The certainly high problem of electrical equipment power consumption in the prior art.
According in a first aspect, the utility model embodiment provides a kind of Zero-power-consumption standby wake-up circuit, comprising: the first electricity
Resistance；The first end of first switch, first switch is connect with external power supply, the control of the first end and first switch of the first switch
The first resistor is connected between end processed；Second resistance；Second switch, the first end of second switch and the first switch
The second resistance is connected between control terminal, the second end of second switch is connect with ground wire；Voltage stabilizing module, input terminal and first
The second end of switch connects；The control terminal of 3rd resistor, the first end of 3rd resistor and first switch connects, and the of 3rd resistor
Two ends are connect with enabling signal；Controller, the power input of controller and the output end of Voltage stabilizing module connect, the electricity of controller
The control terminal of locking signal output end and second switch is pressed to connect.
Optionally, further includes: the second end of diode, cathode and 3rd resistor connects；The counting of anode and controller is believed
The connection of number test side.
Optionally, further includes: the first filter module is connected in parallel between the input terminal and ground wire of the Voltage stabilizing module；
And/or second filter module, it is connected in parallel between the output end and ground wire of the Voltage stabilizing module.
Optionally, further includes: voltage reduction module, one end are connect with the second end of the first switch, the other end and described steady
The input terminal of die block connects.
Optionally, further includes: pull down resistor, and be connected between the control terminal and ground wire of the second switch；With/
Or, current-limiting resistance, is connected in series between the voltage lockout signal output end and the control terminal of the second switch.
Optionally, further includes: overcurrent protection module is connected in series in the first of the external power supply and the first switch
Between end.
Optionally, further includes: the first end of the 6th resistance, the 6th resistance is connect with pwm signal, the second end of the 6th resistance
It is connect with the pwm signal input terminal of controller.
Optionally, further includes: voltage acquisition module, input terminal are connect with pwm signal, the voltage inspection of output end and controller
Survey end connection.
Optionally, the voltage acquisition module includes: the 7th resistance, and the first end of the 7th resistance is connect with pwm signal, the
Seven resistance second ends and the voltage detection terminal of controller connect；8th resistance, the of the first end of the 8th resistance and the 7th resistance
The connection of two ends, the second end of the 8th resistance are connect with ground wire.
Optionally, the voltage acquisition module further include: third filter module is connected in parallel in the second end of the 7th resistance
Between ground wire.
According to second aspect, the utility model embodiment provides a kind of electrical equipment, including such as the utility model first
Any Zero-power-consumption standby wake-up circuit in aspect.
Technical solutions of the utility model have the advantages that
Zero-power-consumption standby wake-up circuit provided by the utility model, comprising: first resistor；First switch, first switch
First end is connect with external power supply, and described first is connected between the first end of the first switch and the control terminal of first switch
Resistance；Second resistance；Second switch is connected with described between the first end of second switch and the control terminal of the first switch
The second end of two resistance, second switch is connect with ground wire；The second end of Voltage stabilizing module, input terminal and first switch connects；Third
Resistance, the first end of 3rd resistor and the control terminal of first switch connect, and the second end of 3rd resistor is connect with enabling signal；Control
The output end of device processed, the power input of controller and Voltage stabilizing module connects, the voltage lockout signal output end of controller and the
The control terminal connection of two switches.Above-mentioned Zero-power-consumption standby wake-up circuit will be whole by enabling signal when circuit is in standby
A circuit wakes up, and enabling signal controls the conducting of first switch and the second switch, and then controls the conducting of Voltage stabilizing module, pressure stabilizing mould
It is electric that the voltage supply controller exported after block conducting obtains the power supply of controller, and controller output voltage locking signal will entire electricity
The line lock on road, controller can be realized to be needed to enter standby shape after control operation is completed in corresponding logic control, device to be controlled
State, when the voltage lockout signal output end of controller control at this time exports low level signal, entire circuit enters standby mode, this
When, all components in entire circuit are in off-position, and output power consumption of the entire circuit in standby mode is zero power
Consumption, reduces power consumption.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of a specific example of the power control system of single-chip microcontroller in the prior art；
Fig. 2 is the schematic diagram of a specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment；
Fig. 3 is the schematic diagram of another specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment；
Fig. 4 is the schematic diagram of another specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment；
Fig. 5 is the schematic diagram of another specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment；
Fig. 6 is the schematic diagram of another specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment；
Fig. 7 is the schematic diagram of another specific example of the Zero-power-consumption standby wake-up circuit of the utility model embodiment.
Appended drawing reference:
Q7, first switch；Q9, second switch；U, Voltage stabilizing module；C, controller；R33, first resistor；R36, the second electricity
Resistance；R34,3rd resistor；R7, the 4th resistance；R8, the 5th resistance；R31, the 6th resistance；R26, the 7th resistance；R30, the 8th electricity
Resistance；R28, protective resistance；C10, the first filter capacitor；C13, the second filter capacitor；C14, third filter capacitor；C29, the 4th filter
Wave capacitor；R46, current-limiting resistance；R47, pull down resistor；D5, diode.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those skilled in the art's every other embodiment obtained without creative efforts, belongs to this reality
With novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
The utility model embodiment provides a kind of Zero-power-consumption standby wake-up circuit, can be applied to dust catcher, machine of sweeping the floor
In the electrical equipments such as people, the Zero-power-consumption standby of electrical equipment is realized, reduce the power consumption of electrical equipment, as shown in Figure 2, comprising:
First resistor R33, first switch Q7, second resistance R36, second switch Q9, Voltage stabilizing module U, 3rd resistor R34 and controller
C。
Wherein, the first end of first switch Q7 is connect with external power supply P, the first end and first switch Q7 of first switch Q7
Control terminal between be connected with first resistor R33；It is connected between the first end of second switch Q9 and the control terminal of first switch Q7
There is second resistance R36, the second end of second switch Q9 is connect with ground wire GND；The input terminal of Voltage stabilizing module U is with first switch Q7's
Second end connection；The first end of 3rd resistor R34 is connect with the control terminal of first switch Q7, the second end of 3rd resistor R34 with
Enabling signal ON/OFF connection；The power input of controller C is connect with the output end of Voltage stabilizing module U, the voltage lock of controller C
Determine signal output end LOCK_power to connect with the control terminal of second switch Q9.
In one embodiment, first switch Q7 and second switch Q9 is triode, and specifically, first switch Q7 is PNP
The triode of type, second switch Q9 are the triode of NPN type.Certainly, in other embodiments, above-mentioned switch can also be MOS
The switching devices such as pipe, IGBT, rationally setting, the present embodiment are not intended to be limited in any this as needed.
In one embodiment, Voltage stabilizing module U can be voltage stabilizing chip, such as 78M05 chip；Certainly, in other embodiments
In, other voltage regulator circuits in the prior art also can be used and realize that the present embodiment is not intended to be limited in any this, as needed rationally
Setting.
In one embodiment, controller C can be single-chip microcontroller (MCU), and the present embodiment only schematically illustrates, not with this
It is limited.
Above-mentioned Zero-power-consumption standby wake-up circuit when circuit is in standby, is waken up entire circuit by enabling signal,
Enabling signal controls the conducting of first switch and the second switch, and then controls the conducting of Voltage stabilizing module, defeated after Voltage stabilizing module conducting
It is electric that voltage supply controller out obtains the power supply of controller, and controller output voltage locking signal is by the power lock of entire circuit
Fixed, controller can be realized to be needed to enter standby mode after control operation is completed in corresponding logic control, device to be controlled, is controlled at this time
When device controls voltage lockout signal output end output low level signal, entire circuit enters standby mode, at this point, in entire circuit
All components be in off-position, output power consumption of the entire circuit in standby mode is zero-power, reduces power consumption.
In one embodiment, as shown in figure 3, Zero-power-consumption standby wake-up circuit further include: diode D5, the yin of diode D5
Pole K is connect with the second end of 3rd resistor R34, and the anode A of diode D5 is connect with the count signal test side KEY of controller C,
KEY signal for inputting to count signal test side counts, and controller realizes logic control according to count signal.
It should be noted that the anode of the diode in the present embodiment is also connected with pull-up resistor, pull-up resistor be can be
Pull-up resistor inside controller, in enabling signal ON/OFF connection low level, diode D5 conducting, count signal test side
The KEY signal of input becomes low level, and controller is counted according to low level number.Certainly, in other embodiments, may be used
To be external pull-up resistor, rationally setting, the present embodiment are not intended to be limited in any this as needed.
In one embodiment, Zero-power-consumption standby wake-up circuit further include: the first filter module is connected in parallel in Voltage stabilizing module
Between the input terminal and ground wire GND of U, for filtering out the electric signal interference of input Voltage stabilizing module, stablize input voltage；Second filtering
Module is connected in parallel between the output end of Voltage stabilizing module U and ground wire GND, for filtering out the electric signal of Voltage stabilizing module output end
Interference, stabilizes the output voltage.
Specifically, as shown in figure 3, the first filter module can be the first filter capacitor C10, filter circuit is simple；Certainly,
In other embodiments, the first filter module can also other filter circuits in the prior art, such as RLC filtering or RC filtering,
Rationally setting as needed.Second filter module can be the second filter capacitor C13 being connected in parallel and third filtered electrical
Hold C14, one filters out high-frequency signal, another filters out low frequency signal, and filter effect is preferable, filter circuit is simple；Certainly, at it
In its embodiment, the second filter module can also other filter circuits in the prior art, such as RLC filtering or RC filtering, according to
It needs rationally to be arranged.
It should be noted that Zero-power-consumption standby wake-up circuit can only include the first filtering in other alternative embodiments
This with no restriction, is rationally arranged in module or the second filter module, the present embodiment according to the actual situation.
In one embodiment, Zero-power-consumption standby wake-up circuit further include: the second end of voltage reduction module, one end and first switch
The input terminal of connection, the other end and Voltage stabilizing module connects.Specifically, as shown in figure 3, voltage reduction module can be dropping resistor, drop
Piezoresistance includes the 4th resistance R7 and the 5th resistance R8 being connected in parallel, one end after being connected in parallel and the second of first switch Q7
End connection, the other end connect with the input terminal of Voltage stabilizing module U, for by the voltage drop of first switch Q7 second end down to voltage-stablizer
In the range of input terminal allows.
In one embodiment, as shown in figure 3, Zero-power-consumption standby wake-up circuit further include: pull down resistor R47, and connect
It is connected between the control terminal of second switch Q9 and ground wire GND；For stablizing the input voltage of second switch Q9 control terminal, controlling
End voltage realizes effectively drop-down when being in low potential, guarantee that second switch will not mislead, improve the reliability of entire circuit.
In one embodiment, as shown in figure 3, Zero-power-consumption standby wake-up circuit further include: current-limiting resistance R46 is connected in series
Between voltage lockout signal output end LOCK_power and the control terminal of second switch Q9, for restriction controller input second
The current value of switch prevents from playing a protective role to second switch due to overcurrent damage second switch.
In one embodiment, Zero-power-consumption standby wake-up circuit further include: overcurrent protection module is connected in series in external power supply
Between P and the first end of first switch Q7.Specifically, as shown in figure 3, overcurrent protection module can be protective resistance R28, series connection
It is connected between external power supply P and the first end of first switch Q7, the effect of protective resistance R28 is that short circuit occurs in late-class circuit
Shi Fasheng fusing is played the role of protecting late-class circuit, and current limliting when powered on moment, can inhibit the high current for powering on generation.
Certainly, in other embodiments, overcurrent protection module also can be used other protective devices in the prior art and realize, such as fuse
Device (FUSE) etc., as needed rationally setting.
In one embodiment, as shown in figure 3, Zero-power-consumption standby wake-up circuit further include: the 6th resistance R31, the 6th resistance
The first end of R31 is connect with pwm signal, and the second end of the 6th resistance R31 is connect with the pwm signal input terminal of controller C；So that
Controller C receives the pwm signal and carries out correspondingly PWM according to the pwm signal received and controls.
In one embodiment, Zero-power-consumption standby wake-up circuit further include: voltage acquisition module, input terminal and pwm signal connect
It connects, output end is connect with the voltage detection terminal SPEED of controller C.Specifically, as shown in figure 3, voltage acquisition module includes:
Seven resistance R26 and the 8th resistance R30；The first end of 7th resistance R26 is connect with pwm signal, the 7th resistance R26 second end and control
The voltage detection terminal SPEED connection of device C processed；The first end of 8th resistance R30 is connect with the second end of the 7th resistance R26, and the 8th
The second end of resistance R30 is connect with ground wire GND.Certainly, in other embodiments, the prior art also can be used in voltage acquisition module
In other voltage collecting devices, rationally setting as needed, the present embodiment is not intended to be limited in any this.
In alternative embodiment, voltage acquisition module further include: third filter module is connected in parallel in the 7th resistance
Between the second end and ground wire GND of R26.Specifically, as shown in figure 3, third filter module can be the 4th filter capacitor C29,
Filter circuit is simple；Certainly, in other embodiments, third filter module can also other filter circuits, such as RLC in the prior art
Filtering or RC filtering etc., as needed rationally setting.
Above-mentioned Zero-power-consumption standby wake-up circuit can not only realize the zero-power and wake-up when standby mode, additionally it is possible to realize
The control of multitude of different ways, control mode is more flexible and diversified, and the occasion of application is also more extensive.
In one embodiment, as shown in figure 4, the Zero-power-consumption standby wake-up circuit can realize individual palpation key control, standby mode
Q7 is not turned on, and when ON/OFF is connected to GND by control switch (such as touch key), Q7 is connected, system electrification, and MCU pairs
LOCK_power sets high level, and system power supply locking detects signal KEY, and difference may be implemented in counting low level to KEY signal
Logic control, setting height to LOCK_power according to logic MCU, flat system is powered down enters zero-power.
Specific work process is as follows: when standby mode, first switch Q7 is not turned on, and Voltage stabilizing module U's exports the defeated of the end VD
Voltage is 0V out, and the power supply of controller C is 0V, and controller does not work, and is in zero-power state, second switch Q9 is not turned on, whole
A circuit is in zero-power state.Touch key is connect with the end ON/OFF of interface J3, and touch-switch is pressed, and the end ON/OFF is connected to
GND, first switch Q7 conducting, the output end output voltage values of Voltage stabilizing module U charge controller U, and controller powers on rear defeated
Outlet LOCK_power sets high level, and the control terminal voltage of first switch Q7 is pulled down to low level by second switch Q9 conducting, the
The control terminal voltage of one switch Q7 is locked by second switch Q9, and system power supply locking, the state of touch-switch can be according to practical need
Rationally to be arranged.After touch-switch is pressed, the end ON/OFF is connected to GND, and diode D5 conducting, the end KEY exports low level, touches out
After closing release, the end ON/OFF is connected to high level, and diode D5 is not turned on, and the end KEY exports high level.The circuit can be believed by detection
Different Logic control may be implemented in number KEY, counting low level to KEY signal, sets height to LOCK_power according to logic MCU
It is flat that system is powered down into zero-power.
In another embodiment, as shown in figure 5, the Zero-power-consumption standby wake-up circuit can realize it is double by key control, standby shape
State, first switch Q7 are not turned on, and when ON/OFF is connected to GND by touch key, first switch Q7 is connected, system electrification, MCU
High level is set to LOCK_power, system power supply locking detects signal KEY, and counting low level to KEY signal may be implemented not
Same logic control, setting height to LOCK_power according to logic MCU, flat system is powered down enters zero-power.Another touch key is logical
PWM/VSP input is crossed, MCU detects PWM, realizes logic control.It is double to increase on the basis of above-mentioned individual palpation key control by key control
One touch key, touch key are connect with the port PWM/VSP of interface J3, generate PWM waveform by touch key, MCU's
PWM detects port can detect above-mentioned PWM waveform after system power supply locking, and realize logic control according to the PWM waveform,
For example, MCU generates other control output signals according to PWM waveform to control the working condition of other modules.
In another embodiment, as shown in figure 5, the Zero-power-consumption standby wake-up circuit can also be achieved single-button+PWM control,
Standby mode, first switch Q7 are not turned on, and when ON/OFF is connected to GND by touch key, first switch Q7 is connected, system band
Electricity, MCU set high level to LOCK_power, and system power supply locking detects signal KEY, can be with to the low level counting of KEY signal
Realize Different Logic control.PWM is inputted by PWM/VSP, and MCU detects pwm signal, logic control is realized, according to MCU pairs of logic
LOCK_power sets height, and flat system is powered down enters zero-power.Single-button+PWM is controlled on the basis of above-mentioned individual palpation key control,
Digital signal pwm pulse signal is inputted in the port PWM/VSP of interface J3, MCU receives pwm pulse control signal and then basis
It carries out logic control.
In another embodiment, as shown in fig. 6, the Zero-power-consumption standby wake-up circuit can realize PWM control, specifically, to
Machine state, first switch Q7 are not turned on, and external PWM signal need to be made into OC circuit, the port ON/OFF of access interface J3, booting
When, high level of the pwm signal to preset time (such as 300ms or so), first switch Q7 conducting, system electrification, MCU pairs
LOCK_power sets high level, system power supply locking.MCU detects KEY mouthfuls of states, reads PWM value.Realize logic control simultaneously,
Setting height to LOCK_power according to logic MCU, flat system is powered down enters zero-power.
In another embodiment, as shown in fig. 7, the Zero-power-consumption standby wake-up circuit can realize single-button+external analog letter
Number control, specifically, standby mode, first switch Q7 is not turned on, when the port ON/OFF is connected to GND by touch key first
Switch Q7 conducting, system electrification, MCU set high level to LOCK_power, and system power supply locking detects signal KEY, believes KEY
Different Logic control may be implemented in number low level counting, according to logic MCU to LOCK_power set height it is flat system is powered down into
Enter zero-power.The port PWM/VSP of external analog access interface J3, MCU detect SPEED mouthfuls of voltages and realize logic control.
Zero-power-consumption standby wake-up circuit in the present embodiment can realize that multi-signal input wakes up system power supply, and realize and patrol
Collect control；Integrated level improves, and reliability improves, and system cost reduces.And in stand-by mode, entire circuit is in zero power
Consumption.
The utility model embodiment additionally provides a kind of electrical equipment, including the zero power as described in any in above-described embodiment
Consume standby wake up circuit.The electrical equipment is waited for due to using the Zero-power-consumption standby wake-up circuit in above-described embodiment, zero-power
Power consumption of the machine wake-up circuit in standby mode is zero-power, reduces the power consumption of electrical equipment.
In one embodiment, above-mentioned electrical equipment can be the electric appliances such as electric cooker, oven, dust catcher, air-conditioning, television set, this
Embodiment only schematically illustrates, and is not limited thereto.
Although being described in conjunction with the accompanying the embodiments of the present invention, those skilled in the art can not depart from this
Various modifications and variations can be made in the case where the spirit and scope of utility model, and such modifications and variations are each fallen within by appended power
Benefit requires within limited range.
Claims (11)
1. a kind of Zero-power-consumption standby wake-up circuit characterized by comprising
First resistor (R33)；
The first end of first switch (Q7), first switch (Q7) is connect with external power supply, the first end of the first switch (Q7)
The first resistor (R33) is connected between the control terminal of first switch (Q7)；
Second resistance (R36)；
Second switch (Q9) is connected with described between the first end of second switch (Q9) and the control terminal of the first switch (Q7)
The second end of second resistance (R36), second switch (Q9) is connect with ground wire；
Voltage stabilizing module (U), input terminal are connect with the second end of first switch (Q7)；
The first end of 3rd resistor (R34), 3rd resistor (R34) is connect with the control terminal of first switch (Q7), 3rd resistor
(R34) second end is connect with enabling signal；
The power input of controller (C), controller (C) is connect with the output end of Voltage stabilizing module (U), the voltage of controller (C)
Locking signal output end is connect with the control terminal of second switch (Q9).
2. Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
Diode (D5), cathode are connect with the second end of 3rd resistor (R34)；The count signal of anode and controller (C) detect
End connection.
3. Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
First filter module is connected in parallel between the input terminal and ground wire of the Voltage stabilizing module (U)；And/or
Second filter module is connected in parallel between the output end and ground wire of the Voltage stabilizing module (U).
4. Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
Voltage reduction module, one end are connect with the second end of the first switch (Q7), the input of the other end and the Voltage stabilizing module (U)
End connection.
5. Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
Pull down resistor (R47), and be connected between the control terminal and ground wire of the second switch (Q9)；And/or
Current-limiting resistance (R46) is connected in series in the control terminal of the voltage lockout signal output end Yu the second switch (Q9)
Between.
6. Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
Overcurrent protection module is connected in series between the external power supply and the first end of the first switch (Q7).
7. any Zero-power-consumption standby wake-up circuit in -6 according to claim 1, which is characterized in that further include:
The first end of 6th resistance (R31), the 6th resistance (R31) is connect with pwm signal, the second end of the 6th resistance (R31) with
The pwm signal input terminal of controller (C) connects.
8. -6 any Zero-power-consumption standby wake-up circuit according to claim 1, which is characterized in that further include:
Voltage acquisition module, input terminal are connect with pwm signal, and output end is connect with the voltage detection terminal of controller (C).
9. Zero-power-consumption standby wake-up circuit according to claim 8, which is characterized in that the voltage acquisition module includes:
The first end of 7th resistance (R26), the 7th resistance (R26) is connect with pwm signal, the 7th resistance (R26) second end and control
The voltage detection terminal of device (C) processed connects；
The first end of 8th resistance (R30), the 8th resistance (R30) is connect with the second end of the 7th resistance (R26), the 8th resistance
(R30) second end is connect with ground wire.
10. Zero-power-consumption standby wake-up circuit according to claim 8, which is characterized in that the voltage acquisition module also wraps
It includes:
Third filter module is connected in parallel between the second end and ground wire of the 7th resistance (R26).
11. a kind of electrical equipment, which is characterized in that wake up electricity including the Zero-power-consumption standby as described in claim 1-10 is any
Road.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814437A (en) * | 2018-12-28 | 2019-05-28 | 苏州市纽莱克电子科技有限公司 | Zero-power-consumption standby wake-up circuit and electrical equipment |
| CN117458833A (en) * | 2023-12-26 | 2024-01-26 | 无锡梵克罗电气设计有限公司 | Battery-powered frequency converter low-power-consumption startup awakening circuit and frequency converter |
-
2018
- 2018-12-28 CN CN201822243203.XU patent/CN209215905U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814437A (en) * | 2018-12-28 | 2019-05-28 | 苏州市纽莱克电子科技有限公司 | Zero-power-consumption standby wake-up circuit and electrical equipment |
| CN117458833A (en) * | 2023-12-26 | 2024-01-26 | 无锡梵克罗电气设计有限公司 | Battery-powered frequency converter low-power-consumption startup awakening circuit and frequency converter |
| CN117458833B (en) * | 2023-12-26 | 2024-04-19 | 无锡梵克罗电气设计有限公司 | Battery-powered frequency converter low-power-consumption startup awakening circuit and frequency converter |
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