CN207337107U - The adaptive hand-held beer frothing machine of low-power consumption, charged pool electricity - Google Patents
The adaptive hand-held beer frothing machine of low-power consumption, charged pool electricity Download PDFInfo
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- CN207337107U CN207337107U CN201720320158.6U CN201720320158U CN207337107U CN 207337107 U CN207337107 U CN 207337107U CN 201720320158 U CN201720320158 U CN 201720320158U CN 207337107 U CN207337107 U CN 207337107U
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Abstract
The adaptive hand-held beer frothing machine of a kind of low-power consumption, charged pool electricity, including ultrasonic oscillator, further include charge pump latching circuit, MCU, alert circuit and transformation match circuit, charge pump latching circuit, MCU, transformation match circuit and ultrasonic oscillator are electrically connected successively, and alert circuit is electrically connected with MCU；Battery provides electric energy and drive signal by charge pump latching circuit to MCU, when MCU detects that the magnitude of voltage of battery is less than preset value, MCU controls alert circuit sends alerting signal, MCU carries out pulse width modulation according to the magnitude of voltage of battery to the electric signal of output, make the power stability of output, transformation match circuit receive MCU output electric signal, transformation match circuit boosted to it and be converted into be adapted to ultrasonic oscillator work alternating current.The utility model as a result of charge pump latching circuit, MCU and alert circuit, the small, battery that has the advantages that to leak electricity when standing exhaust automatic shutdown after alarm, battery high electricity and low battery get blisters bubble effect it is the same.
Description
Technical field
Beer is the utility model is related to get blisters technical field, it is adaptive more particularly, to a kind of low-power consumption, charged pool electricity
Hand-held beer frothing machine.
Background technology
Beer can produce substantial amounts of bubble after being shaken and being shaken, the when of falling beer bubble be full of whole stein, from
Overflowed in stein, the beer for having bubble compares the beer without bubble more rich in mouthfeel, and relieving summer-heat effect is more preferable, and human body sensory is more easypro
It is suitable.In order to increase the mouthfeel of beer, people have invented a kind of hand-held beer frothing machine.Existing hand-held beer frothing machine, uses
Ultrasonic wave is quickly got beer steam bubble, can greatly increase mouthfeel.But there are the following problems for existing hand-held beer frothing machine：
1. electric leakage is big when standing；Do not alarm when 2. battery exhausts；3. battery compares in the get blisters effect gap of bubble of high electricity and low battery
Greatly.
Utility model content
In order to overcome the above problem, the utility model leaks electricity when providing a kind of standing, and small, battery life is long, battery consumption
Automatic shutdown to the greatest extent after alarm, battery are adaptive in the get blisters the same low-power consumption of effect of bubble, charged pool electricity of high electricity and low battery
The hand-held beer frothing machine answered.
The technical solution of the utility model is：There is provided a kind of low-power consumption, the hand-held beer of charged pool electricity adaptively is got blisters
Machine, including ultrasonic oscillator, further include charge pump latching circuit, MCU, alert circuit and transformation match circuit, the charge pump
Latching circuit, the MCU, the transformation match circuit and the ultrasonic oscillator are electrically connected successively, the alert circuit with
The MCU is electrically connected；Battery provides electric energy and drive signal by the charge pump latching circuit to the MCU, when described
When MCU detects that the magnitude of voltage of battery is less than preset value, the MCU controls the alert circuit to send alerting signal, the MCU
Pulse width modulation is carried out to the electric signal of output according to the magnitude of voltage of battery, makes the power stability of output, the transformation matching
Circuit receives the electric signal of the MCU outputs, and the transformation match circuit boosts it and is converted into being adapted to described super
The alternating current of acoustic wave transducer work.
As the improvement to the utility model, further include automatic frequency tracking circuit, the automatic frequency tracking circuit with
The MCU is electrically connected.
As the improvement to the utility model, electrical connection serial ports is further included, the automatic frequency tracking circuit passes through described
Serial ports is electrically connected to be electrically connected with the MCU.
As the improvement to the utility model, the charge pump latching circuit include touch-switch, charge pump circuit and from
Lock circuit, battery are electrically connected with one end of the touch-switch and the first input end of the latching circuit respectively, described light
The other end for touching switch is electrically connected with the input terminal of the charge pump circuit and the second input terminal of the latching circuit respectively,
Second input terminal of the latching circuit is electrically connected with the MCU, the output of the charge pump circuit and the latching circuit
The MCU is electrically connected respectively at end；When the touch-switch is connected, the charge pump circuit exports a drive signal to described
MCU makes its work, and battery conveys a working signal by the touch-switch makes it to the second input terminal of the latching circuit
Work, the MCU also convey another working signal to the second input terminal of the latching circuit, and battery passes through the latching circuit
Electric energy is provided to the MCU；After the touch-switch disconnects, the MCU continues defeated to the second input terminal of the latching circuit
Another working signal is sent to continue to work, the battery continues through the latching circuit and provides electric energy to the MCU.
As the improvement to the utility model, the charge pump circuit includes first resistor and triode, the triode
Base stage be electrically connected by the other end of the first resistor and the touch-switch, the emitter ground connection of the triode,
The collector of the triode and the input pin of the MCU are electrically connected.
As the improvement to the utility model, second resistance is further included, the other end of the touch-switch passes through described
Two resistance eutral groundings.
As the improvement to the utility model, the latching circuit includes the first diode, the second diode, the first electricity
Appearance, the second capacitance, 3rd resistor and chip, the VIN feet of battery and the chip are electrically connected, first capacitance and described the
Two capacitances are connected in parallel between the C+ feet of the chip and C- feet, and the VOUT feet of the chip electrically connect with the power supply foot of the MCU
Connect, the GND feet of chip ground connection, the SD feet of the chip anode with the first diode, second diode respectively
One end of anode and the 3rd resistor is electrically connected, and the other end ground connection of the 3rd resistor, first diode is just
Pole and the other end of the touch-switch are electrically connected, and the cathode of second diode electrically connects with the output pin of the MCU
Connect.
As the improvement to the utility model, the transformation match circuit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 4th electricity
Resistance, the 5th resistance, transformer and filter circuit, the grid of second metal-oxide-semiconductor pass through the 4th resistance eutral grounding, the 2nd MOS
The source electrode ground connection of pipe, the first pulse width modulation foot of the MCU and the grid of second metal-oxide-semiconductor are electrically connected, and described the
The drain electrode of two metal-oxide-semiconductors is electrically connected with one end of the first coil of the transformer；The grid of first metal-oxide-semiconductor passes through the 5th
Resistance eutral grounding, the source electrode ground connection of first metal-oxide-semiconductor, the second pulse width modulation foot and first metal-oxide-semiconductor of the MCU
Grid is electrically connected, and the drain electrode of first metal-oxide-semiconductor is electrically connected with one end of the second coil of the transformer, battery difference
It is electrically connected with the other end of the first coil and second coil；The tertiary coil of the transformer and the filtered electrical
Road is electrically connected, and the filter circuit is electrically connected with the ultrasonic oscillator.
As the improvement to the utility model, the filter circuit includes the first inductance, the second inductance, the 3rd inductance, the
Three capacitances, the 4th capacitance, the 6th resistance, the 7th resistance and connector, first inductance and second inductance in parallel are formed
First parallel circuit, the 3rd inductance, the 3rd capacitance, the 4th capacitance, the 6th resistance and the connector are in parallel to form second
Parallel circuit；One end of the tertiary coil is electrically connected by one end of first parallel circuit and second parallel circuit
Connect, the other end of the tertiary coil and second parallel circuit passes through the 7th resistance eutral grounding, the connector and institute
State ultrasonic oscillator electric connection.
The utility model is as a result of charge pump latching circuit, MCU, alert circuit and transformation match circuit, charge pump
Latching circuit provides electric energy to MCU and drive signal, the quiescent current of charge pump latching circuit are less than 0.4uA, can make battery
Standby cruising ability was more than 10 years；When MCU detects that the magnitude of voltage of battery is less than preset value, MCU controls alert circuit is sent
Alerting signal；MCU carries out pulse width modulation according to the magnitude of voltage of battery to the electric signal of output, makes the power stability of output,
The effect of bubble of the bubble for ensuring to get during low battery with being got during high electricity is identical, and there is the small, battery that leaks electricity when standing to continue
ETS estimated time of sailing is long, battery exhausts automatic shutdown after alarm, battery high electricity and low battery get blisters bubble effect it is the same the advantages that.
Brief description of the drawings
Fig. 1 is the circuit theory block diagram of the utility model.
The circuit diagram of charge pump latching circuit in Fig. 2 Fig. 1.
The circuit diagram of transformation match circuit in Fig. 3 Fig. 1.
Wherein：1. battery;2. charge pump latching circuit;21. touch-switch;22. charge pump circuit;23. latching circuit;
3.MCU;4. alert circuit;5. automatic frequency tracking circuit;6. transformation match circuit;7. ultrasonic oscillator.
Embodiment
In the description of the utility model, it is to be understood that " " center ", " on " in term, " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right" are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the utility model and simplify and describe, rather than instruction or imply signified device or component must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " first ", " second "
Description purpose is only used for, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connection ", " connected " should be interpreted broadly, for example, it may be being fixedly connected or dismantling connection, or integratedly be connected
Connect；Can mechanically connect or be electrically connected；It can be directly connected or be indirectly connected by intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Fig. 1, it is the adaptive hand-held beer frothing machine of a kind of low-power consumption, 1 electricity of charged pool that Fig. 1 is revealed,
Including ultrasonic oscillator 7, charge pump latching circuit 2, MCU3, alert circuit 4 and transformation match circuit 6, the electric charge are further included
Pump latching circuit 2, the MCU3, the transformation match circuit 6 and the ultrasonic oscillator 7 are electrically connected successively, the prompting
The circuit 4 and MCU3 is electrically connected；Battery 1 provides electric energy and driving by the charge pump latching circuit 2 to the MCU3
Signal, when the MCU3 detects that the magnitude of voltage of battery 1 is less than preset value, the MCU3 controls the alert circuit 4 to send
Alerting signal, the MCU3 carry out pulse width modulation according to the magnitude of voltage of battery 1 to the electric signal of output（PWM）, make output
Power stability, the electric signal of MCU3 output is fed to the transformation match circuit 6, and the transformation match circuit 6 is right
Its alternating current for being adapted to the ultrasonic oscillator 7 to work that boosted and be converted into.
In the present embodiment, the charge pump latching circuit 2 includes touch-switch 21, charge pump circuit 22 and latching circuit
23, battery 1 is electrically connected with one end of the touch-switch 21 and the first input end of the latching circuit 23 respectively, described light
The other end for touching switch 21 is electric with the input terminal of the charge pump circuit 22 and the second input terminal of the latching circuit 23 respectively
Property connection, the second input terminal of the latching circuit 23 is electrically connected with the MCU3, the charge pump circuit 22 and it is described from
The output terminal of lock circuit 23 is distinguished the MCU3 and is electrically connected.
When the touch-switch 21 is connected, that is, press down on the touch-switch 21.The output of charge pump circuit 22 one
Drive signal makes its work to the MCU3, and battery 1 conveys a working signal by the touch-switch 21 and gives self-locking electricity
Second input terminal on road 23 makes its work, and battery 1 provides electric energy by the latching circuit 23 to the MCU3, meanwhile, it is described
MCU3 also conveys another working signal to the second input terminal of the latching circuit 23.After the touch-switch 21 disconnects, i.e., to
After the power of the lower pressing touch-switch 21 is left, battery 1 does not give the charge pump circuit respectively by the touch-switch 21
22 and the latching circuit 23 the second input terminal provide electric energy, and the MCU3 give the latching circuit 23 the second input terminal
Continue to convey another working signal and continue to work, battery 1 continues through the latching circuit 23 and provides electricity to the MCU3
Energy.Due to, the MCU3 has been received by the drive signal that the charge pump circuit 22 is sent, so, the MCU3 can be always
It is in running order.It is lower press the touch-switch 21 during, the latching circuit 23 forms self-locking, the process of self-locking
It is：When pressing the touch-switch 21 down, battery 1 sends a working signal to the second input terminal of the latching circuit 23 makes its work
To make, second input terminals of the MCU3 also to the latching circuit 23 sends another working signal, it is necessary to illustrate, the two
Working signal can be identical, can not also be identical, and battery 1 provides electric energy by the latching circuit 23 to the MCU3；Under
After leaving the touch-switch 21 by power, battery 1 does not give the second input terminal of the latching circuit 23 to send a working signal, by
It is in the MCU3 in work, the MCU3 continues to send another working signal to the second input terminal of the latching circuit 23
Work is continued to, so that battery 1 continues through the latching circuit 23 and provides electric energy to the MCU3.The charge pump is certainly
The physical circuit schematic diagram of lock circuit 2 refers to Fig. 2, and following explanations to Fig. 2, in fig. 2 shown circuit signal
Figure is the one of which embodiment of the charge pump latching circuit 2.
In the present embodiment, the MCU3 is after the drive signal that the charge pump latching circuit 2 is sent is received, the MCU3
Just start to work.The MCU3 has the function of low voltage test during work.When the MCU3 detects battery 1
When voltage is less than preset value, such as the predeterminated voltage of battery 1 is 1.8V, i.e., when the MCU3 detects that the voltage of battery 1 is less than
During 1.8V, the MCU3 controls the alert circuit 4 to send alerting signal.The alert circuit 4 can be sound alert circuit, light
Alert circuit or/and acoustic-optic reminding circuit.It should be noted that the alert circuit 4 is a kind of relatively common circuit, ability
The technical staff in domain knows about, so no longer its structure is described in detail herein.
In the present embodiment, automatic frequency tracking circuit 5, the automatic frequency tracking circuit 5 and MCU3 electricity are further included
Property connection.Further include electrical connection serial ports（Do not draw）, the automatic frequency tracking circuit 5 by it is described electrical connection serial ports with it is described
MCU3 is electrically connected.The electric signal that is conveyed to the transformation match circuit 6 of the automatic frequency tracking circuit 5 to the MCU3
Frequency automatically adjust, the manual adjustment time can be reduced, reduce error, and the automatic frequency tracking circuit 5 may be used also
The parameter of automatic adjustment to be saved.The automatic frequency tracking circuit 5 is to being conveyed to the telecommunications of the ultrasonic oscillator 7
Number frequency is adjusted, and makes the signal frequency of conveying identical with the optimum frequency of the ultrasonic oscillator 7, so can just make institute
It is more preferable to state the ultrasonic wave effect that ultrasonic oscillator 7 is sent.It should be noted that the automatic frequency tracking circuit 5 is a kind of normal
The circuit seen, those skilled in the art know about, and therefore, no longer its structure is described in detail herein.
In the present embodiment, the MCU3 is during work, and the MCU3 is detected the voltage of battery 1, and root
Pulse width modulation is carried out to the electric signal of output according to the magnitude of voltage of battery 1（PWM）, make the power stability of output.That is,
The MCU3 is by adjusting the pulsewidth of the electric signal of output, so as to ensure the stable power of its output.The advantage of doing so is that protect
Card is regardless of the voltage of battery 1, and the power of the MCU3 outputs is all stable, and the effect for bubble of getting blisters is similarly steady
It is fixed.
In the present embodiment, the MCU3 exports a PWM P signal（High level modulation signal）With a PWM n-signal
（Low level modulation signal）To the transformation match circuit 6, the MCU3 by adjusting PWM P signals and PWM n-signals so that
Adjust the duty cycle of pwm signal.For example, 1 voltage of battery, in 2.5V-3.3V, PWM sets 30% duty cycle；1 voltage of battery exists
2.2V-2.5V when, PWM sets 32% duty cycle；For 1 voltage of battery in 1.8V-2.2V, PWM sets 34% duty cycle；1 voltage of battery exists
1.5V-1.8V when, PWM sets 36% duty cycle.After the transformation match circuit 6 receives PWM P signals and PWM n-signals, by it
It is processed into alternating current, boosting and filters, is provided to the ultrasonic oscillator 7.The physical circuit of the transformation match circuit 6
Schematic diagram refers to Fig. 3, and following explanations to Fig. 3, and shown circuit diagram is the transformation matching in figure 3
The one of which embodiment of circuit 6.
, it is necessary to illustrate in the present embodiment, before the touch-switch 21 is pressed down on, the MCU3 and the electric charge
When pump latching circuit 2 is not on working status.When pressing down on the touch-switch 21, the charge pump circuit 22 is to described
MCU3 inputs a drive signal, the MCU3 work, while the second input of battery 1 and the MCU3 to the latching circuit 23
End sends working signal respectively, and the latching circuit 23 works and gives institute by the latching circuit 23 into self-locking state, battery 1
State MCU3 and electric energy is provided.Press down on the touch-switch 21 power leave after, MCU3 work, the MCU3 to it is described from
Second input terminal of lock circuit 23 continues to send another working signal, and the latching circuit 23 works on, and battery 1 is by described
Latching circuit 23 continues to provide electric energy to the MCU3.
When in use, the working status of the MCU3 being controlled by two ways, one kind is to automatically control,
Another kind is to control manually.Automatically control and refer to, preset operating time is set to the MCU3, when MCU3 work is default
Between after, the MCU3 will give the second input terminal of the latching circuit 23 to send a kind of silence signal, the self-locking electricity
Road 23 will be stopped after receiving silence signal, and battery 1 cannot give the MCU3 by the latching circuit 23
Electric energy is provided, the MCU3 can also be stopped.
Control refers to that user can be according to actual needs, in preset operating time, i.e., in the MCU3 and institute manually
State in the time that latching circuit 23 is working, press the touch-switch 21 again, during being pressed under, battery 1 is logical
Cross the touch-switch 21 and provide electric energy to the charge pump circuit 22, the charge pump circuit 22 drives to MCU3 outputs one
Dynamic signal, since the MCU3 is in working status, the MCU3, which receives drive signal and will export one, to be stopped
Signal gives the second input terminal of the latching circuit 23, and battery 1 gives the latching circuit 23 by the touch-switch 21 at this time
The second input terminal convey a working signal, the latching circuit 23 is in running order.Instantly described touch out is left by power
After closing 21, the second input terminal of the latching circuit 23 receives the silence signal that the MCU3 is sent, and then described
Latching circuit 23 and the MCU3 are stopped.
Refer to Fig. 2, it is the circuit diagram of the charge pump latching circuit 2 that Fig. 2 is revealed.The charge pump self-locking
Circuit 2 includes the touch-switch 21, the charge pump circuit 22 and the latching circuit 23.
In the present embodiment, the charge pump circuit 22 includes first resistor R1 and triode Q, the base stage of the triode Q
It is electrically connected by the other end of the first resistor R1 and the touch-switch 21, the emitter ground connection of the triode Q, institute
The input pin (the IO feet of MCU) of the collector and the MCU (not drawing) of stating triode Q is electrically connected.Further include second resistance
R2, the other end of the touch-switch 21 are grounded by the second resistance R2.The effect of the triode Q is that base stage is inputted
Voltage boost, in use, battery 1 using two section dry cells 1, the triode Q collector output electricity
Pressure is 5V（Output voltage after boosting is 5V）, the electric signal of the collector output of the triode Q has been driving effect,
That is after the MCU receives drive signal, the MCU just starts to work.In the utility model, the charge pump circuit
22 not limited to this, those skilled in the art can make the charge pump circuit 22 and correspondingly deform, no matter this area
Technical staff the charge pump circuit 22 is made which type of deformation, without departing from the charge pump circuit 22 spirit and
Scope, is all in its protection domain.When pressing down on the touch-switch 21, the electric current that battery 1 provides is followed by described
Touch-switch 21 and the first resistor R1, finally flow to the base stage of the triode Q, and the triode Q rises voltage
Pressure, the voltage flowed out from the collector of the triode Q are 5V, and 5V voltages drive the MCU work.
In the present embodiment, the latching circuit 23 includes the first diode D1, the second diode D2, the first capacitance C1, the
Two capacitance C2,3rd resistor R5 and chip U1, the VIN feet of battery 1 and the chip U1 are electrically connected, the first capacitance C1 and
The second capacitance C2 is connected in parallel between the C+ feet and C- feet of the chip U1, and the VOUT feet of the chip U1 are with the MCU's
Foot of powering is electrically connected, the GND feet ground connection of the chip U1, and the SD feet of the chip U1 are negative with the first diode D1 respectively
One end of pole, the anode of the second diode D2 and the 3rd resistor R5 is electrically connected, and the 3rd resistor R5's is another
End ground connection, the cathode of the first diode D1 are electrically connected with the other end of the touch-switch 21, second diode
The cathode of D2 and the output pin of the MCU are electrically connected.
When pressing down on the touch-switch 21, the touch-switch 21 turns on, and the electric current that battery 1 provides is followed by institute
Touch-switch 21 and the first diode D1 are stated, finally flows to the SD feet of the chip U1, the SD feet of the chip U1 receive
To after high level signal, the chip U1 is at working status.Battery 1 is just by the VOUT feet of the chip U1 to described
MCU provides electric energy, while the output pin of the MCU send one also by the second diode D2 to the SD human hair combing wastes of the chip U1
High level signal.
Press down on the touch-switch 21 power leave after, the touch-switch 21 disconnects, and battery 1 would not pass through institute
The SD feet that touch-switch 21 is stated to the chip U1 provide electric energy, and the MCU is in running order, and the output pin of the MCU is just
Output high level signal is may proceed to, that is, the high level signal continued to output is flowed into the chip by the second diode D2
The SD feet of U1, make the chip U1 be still within working status, and battery 1 continues through the chip U1 and provides electricity to the MCU
Energy.In the utility model, 23 not limited to this of latching circuit, those skilled in the art can be to the latching circuit 23
Make and correspondingly deforming, no matter which type of deformation those skilled in the art makes the latching circuit 23, as long as not taking off
All it is in its protection domain from the spirit and scope of the latching circuit 23.
Refer to Fig. 3, it is the circuit diagram of the transformation match circuit 6 that Fig. 3 is revealed.The transformation match circuit
6 include the first metal-oxide-semiconductor Q2, the second metal-oxide-semiconductor Q3, the 4th resistance R4, the 5th resistance R5, transformer T and filter circuit, and described second
The grid of metal-oxide-semiconductor Q3 is grounded by the 4th resistance R4, the source electrode ground connection of the second metal-oxide-semiconductor Q3, the first pulse of the MCU3
Width modulated foot（PWM P signal feet）It is electrically connected with the grid of the second metal-oxide-semiconductor Q3, the drain electrode of the second metal-oxide-semiconductor Q3
It is electrically connected with one end of the first coil S1 of the transformer T；The grid of the first metal-oxide-semiconductor Q2 is connect by the 5th resistance R5
Ground, the source electrode ground connection of the first metal-oxide-semiconductor Q2, the second pulse width modulation foot of the MCU3（PWM n-signal feet）With it is described
The grid of first metal-oxide-semiconductor Q2 is electrically connected, the drain electrode of the first metal-oxide-semiconductor Q2 and the one of the second coil S2 of the transformer T
End is electrically connected, and battery 1 is electrically connected with the other end of the first coil S1 and the second coil S2 respectively；The transformation
The tertiary coil S3 of device T is electrically connected with the filter circuit, and the filter circuit is electrically connected with the ultrasonic oscillator 7.
In the present embodiment, the filter circuit includes the first inductance L1, the second inductance L2, the 3rd inductance L3, the 3rd capacitance
C3, the 4th capacitance C4, the 6th resistance R6, the 7th resistance R7 and connector W, the first inductance L1 and the second inductance L2 are simultaneously
Connection forms the first parallel circuit, the 3rd inductance L3, the 3rd capacitance C3, the 4th capacitance C4, the 6th resistance R6 and the connection
Device W is in parallel to form the second parallel circuit；One end of the tertiary coil S3 by first parallel circuit with described second simultaneously
The one end for joining circuit is electrically connected, and the other end of the tertiary coil S3 and second parallel circuit passes through the 7th resistance
R7 is grounded, and the connector W is electrically connected with the ultrasonic oscillator 7.
, it is necessary to explanation in the utility model, in the MCU and the chip, not to method and/or software into
Row improves, and is all to use method of the prior art and/or software, it meets the definition of utility model.
The utility model is as a result of the charge pump latching circuit, the MCU, the alert circuit and the transformation
Match circuit, the charge pump latching circuit provide electric energy and drive signal to the MCU, the charge pump latching circuit it is quiet
State electric current is less than 0.4uA, can make battery standby cruising ability more than 10 years；When the MCU detects that the magnitude of voltage of battery is small
When preset value, the MCU controls the alert circuit to send alerting signal；The MCU is according to the magnitude of voltage of battery to output
Electric signal carry out pulse width modulation, make the power stability of output, it is ensured that the bubble got during low battery during high electricity with beating
The effect of the bubble gone out is identical, and leaking electricity when having standing, small, battery life is long, battery exhausts automatic shutdown, electricity after alarm
Pond high electricity and low battery get blisters bubble effect it is the same the advantages that.
It should be noted that explaining in detail for the respective embodiments described above, its purpose be only that to the utility model into
Row explain, in order to be able to preferably explain the utility model, still, these description cannot with any explanation into be to this
The limitation of utility model, particularly, each feature described in various embodiments can also be mutually combined, so that
Other embodiment is formed, except there is clearly opposite description, these features should be understood to can be applied to any one reality
Apply in mode, and be not limited merely to described embodiment.
Claims (9)
1. the adaptive hand-held beer frothing machine of a kind of low-power consumption, charged pool electricity, including ultrasonic oscillator, it is characterised in that
Further include charge pump latching circuit, MCU, alert circuit and transformation match circuit, the charge pump latching circuit, the MCU, institute
State transformation match circuit and the ultrasonic oscillator is electrically connected successively, the alert circuit is electrically connected with the MCU.
2. the adaptive hand-held beer frothing machine of low-power consumption according to claim 1, charged pool electricity, it is characterised in that：
Automatic frequency tracking circuit is further included, the automatic frequency tracking circuit is electrically connected with the MCU.
3. the adaptive hand-held beer frothing machine of low-power consumption according to claim 2, charged pool electricity, it is characterised in that：
Electrical connection serial ports is further included, the automatic frequency tracking circuit is electrically connected by the electrical connection serial ports with the MCU.
4. the adaptive hand-held beer frothing machine of low-power consumption according to claim 1 or 2, charged pool electricity, its feature exist
In：The charge pump latching circuit includes touch-switch, charge pump circuit and latching circuit, battery respectively with the touch-switch
One end and the first input end of the latching circuit be electrically connected, the other end of the touch-switch respectively with the charge pump
Second input terminal of the input terminal of circuit and the latching circuit be electrically connected, the second input terminal of the latching circuit with it is described
MCU is electrically connected, and the output terminal of the charge pump circuit and the latching circuit is distinguished the MCU and is electrically connected.
5. the adaptive hand-held beer frothing machine of low-power consumption according to claim 4, charged pool electricity, it is characterised in that：
The charge pump circuit includes first resistor and triode, and the base stage of the triode is touched by the first resistor with described
The other end of switch is electrically connected, the emitter ground connection of the triode, the input of the collector of the triode and the MCU
Foot is electrically connected.
6. the adaptive hand-held beer frothing machine of low-power consumption according to claim 5, charged pool electricity, it is characterised in that：
Second resistance is further included, the other end of the touch-switch is grounded by the second resistance.
7. the adaptive hand-held beer frothing machine of low-power consumption according to claim 4, charged pool electricity, it is characterised in that：
The latching circuit includes the first diode, the second diode, the first capacitance, the second capacitance, 3rd resistor and chip, battery with
The VIN feet electric connection of the chip, first capacitance and second capacitance are connected in parallel on the C+ feet and C- feet of the chip
Between, the VOUT feet of the chip are electrically connected with the power supply foot of the MCU, the GND feet ground connection of the chip, the chip
SD feet respectively the anode with the first diode, the anode of second diode and the 3rd resistor one end be electrically connected,
The other end ground connection of the 3rd resistor, the cathode of first diode are electrically connected with the other end of the touch-switch,
The cathode of second diode is electrically connected with the output pin of the MCU.
8. the adaptive hand-held beer frothing machine of low-power consumption according to claim 1 or 2, charged pool electricity, its feature exist
In：The transformation match circuit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 4th resistance, the 5th resistance, transformer and filtered electrical
Road, the grid of second metal-oxide-semiconductor are grounded by the 4th resistance eutral grounding, the source electrode of second metal-oxide-semiconductor, and the first of the MCU
Pulse width modulation foot and the grid of second metal-oxide-semiconductor are electrically connected, drain electrode and the transformer of second metal-oxide-semiconductor
One end of first coil is electrically connected；The grid of first metal-oxide-semiconductor passes through the 5th resistance eutral grounding, the source of first metal-oxide-semiconductor
Pole is grounded, and the second pulse width modulation foot of the MCU is electrically connected with the grid of first metal-oxide-semiconductor, first metal-oxide-semiconductor
Drain electrode and one end of the second coil of the transformer be electrically connected, battery respectively with the first coil and second line
The other end of circle is electrically connected；The tertiary coil of the transformer and the filter circuit are electrically connected, the filter circuit with
The ultrasonic oscillator is electrically connected.
9. the adaptive hand-held beer frothing machine of low-power consumption according to claim 8, charged pool electricity, it is characterised in that：
The filter circuit includes the first inductance, the second inductance, the 3rd inductance, the 3rd capacitance, the 4th capacitance, the 6th resistance, the 7th electricity
Resistance and connector, first inductance and second inductance in parallel form the first parallel circuit, the 3rd inductance, the 3rd electricity
Appearance, the 4th capacitance, the 6th resistance and the connector are in parallel to form the second parallel circuit；One end of the tertiary coil passes through institute
The one end for stating the first parallel circuit and second parallel circuit is electrically connected, the tertiary coil and second parallel circuit
The other end pass through the 7th resistance eutral grounding, the connector and the ultrasonic oscillator are electrically connected.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664282A (en) * | 2018-07-03 | 2020-01-10 | 九阳股份有限公司 | Portable food processor and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664282A (en) * | 2018-07-03 | 2020-01-10 | 九阳股份有限公司 | Portable food processor and control method |
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