CN206249129U - A kind of chip of controllable electronic cigarette constant pressure output - Google Patents
A kind of chip of controllable electronic cigarette constant pressure output Download PDFInfo
- Publication number
- CN206249129U CN206249129U CN201621391059.9U CN201621391059U CN206249129U CN 206249129 U CN206249129 U CN 206249129U CN 201621391059 U CN201621391059 U CN 201621391059U CN 206249129 U CN206249129 U CN 206249129U
- Authority
- CN
- China
- Prior art keywords
- module
- circuit
- control module
- analog
- comparator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Feedback Control In General (AREA)
Abstract
The utility model discloses a kind of chip of controllable electronic cigarette constant pressure output; including smoking detection module, control module, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH; the control module includes condition judgment module, drive control module and LED control module, and the drive control module includes that reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce circuit；It can realize that frequency is controllable, avoid the simple implementation by digital circuit, can avoid again because power switch pipe switching frequency higher interference is serious, so that easily there is the problem of logical miss, while turn avoid the technical problem using the analog-digital converter of excessive bit quantity.
Description
Technical field
The utility model is related to electronic cigarette technical field, more particularly to a kind of core of controllable electronic cigarette constant pressure output
Piece.
Background technology
Electronic cigarette of the prior art uses structure as shown in Figure 1, including indicator lamp, control chip, air-flow sensing
Totally seven parts constitute for device, internal battery, tobacco tar and heater strip component, cigarette holder and shell, and specific annexation is as shown in Fig. 2 gas
Flow sensor is connected with the sampling end SENS and VSS ends of control chip, the vdd terminal phase of internal battery anode and control chip
Even, negative terminal is connected with the VSS ends of control chip；The output end OUT and VSS ends phase of tobacco tar and heater strip component and control chip
Even；Indicator lamp is connected with the LED ends and VSS ends of control chip respectively.Wherein pneumatic sensor mainly moves the smoking of user
The change of the electrology characteristic that control chip can be recognized is converted into, facilitates control chip to be sampled；Control chip mainly leads to
The output signal of over-sampling pneumatic sensor, judgement system is at this stage to be in standby or smoking state, and according to different
Condition adjudgement result, control heater strip and indicator lamp make corresponding action, meet vision of the user in smoking process and
The organoleptic requirements such as the sense of taste；Internal battery is the energy source of all parts in electronic cigarette inside, is also to determine electronic cigarette service life
Critical piece, tobacco tar and heater strip component be mainly and ensure in smoking process, and when heating wire temperature rises, tobacco tar is obtained
Fully atomization, meets the smoking experience of user；Indicator lamp is mainly used to the flame display effect during simulated smoking, makes every effort to reach
To vivid effect.
But, it is different from actual cigarette, the energy of electronic cigarette entirely from internal cell, with electronic cigarette use time
Increase, the electricity of battery gradually reduces, and shows as the original electronic cigarette chips of reduction of the voltage of battery by a switch
The current path of management and control heater strip, when smoking state is detected, controller opens switching tube, and heater strip has approximate Vdd/
Wherein, RL is heater strip resistance to RL, and does not consider the electric current of switch conduction resistance, with the reduction of cell voltage, heating electricity
The also proportional reduction of stream, this just produces the efficiency of heating surface of user's heater strip in use to reduce, and shows user's
Smoking experience can be deteriorated with the use of electronic cigarette.
Based on problem above, in the market to be occurred in that and design a kind of circuit of voltage detecting in chip internal, in different voltages
Different dutycycles, which are produced to effectively reduce in whole battery voltage range by digital circuit in section, output voltage
The deviation of average value, but this control mode, needing for the analog signal of supply voltage to be converted into digital circuit to know
Other data signal, inside needs to design corresponding analog-digital converter, by detecting different cell voltages, cell voltage is passed through
Analog-digital converter is converted to data signal, and cell voltage is divided into multiple intervals, is selected by digital circuit in each interval
Pre-set different duty cycle control signal, the analog-digital converter of this scheme needs long number as far as possible could be realized
Output voltage and the incoherent effect of cell voltage, if digit is less, output voltage can be significantly shown with battery
Voltage shows jagged variation tendency such as Fig. 6 for 3 analog-digital converters, but if necessary to high-precision regulation, it is inevitable
High-precision analog-digital converter is needed, the resource requirement to circuit is excessive.
A kind of implementation of simulation is there are in the prior art, i.e., dutycycle is realized by the framework of analog circuit completely
With the real-time adjustment of cell voltage, the program is solved to be realized to internal analog-digital bit by digital form completely
It is required that, while realizing output duty cycle in theory as supply voltage continuously changes.But it is integrated internally due to needing
Have concussion electric capacity, limit the frequency of duty cycle control signal so that the frequency of duty cycle signals cannot be made it is very low, normal
Due to there is power tube switching frequency higher in smoking process, cause circuit serious interference, especially in heavier loads situation
Under interference easily is produced to electronic cigarette internal control circuit, if the filter design effect on using plate is bad, easily cause
Logical miss in the electronic cigarette course of work.
Utility model content
The technical problem that the utility model is solved is to propose a kind of chip of controllable electronic cigarette constant pressure output, Ji Nengshi
Existing frequency is controllable, avoids the simple implementation by analog circuit, can avoid again because power switch pipe switching frequency is higher
Serious interference, so that easily there is the problem of logical miss, while turn avoid the skill using the analog-digital converter of excessive bit quantity
Art problem.
Concrete technical scheme of the present utility model is that a kind of chip of controllable electronic cigarette constant pressure output, including smoking is examined
Survey module, control module, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH.Wherein smoking detection
Module is connected with SENS and control module, by detecting the signal intensity at outside SENS ends, judges whether system occurs smoking and move
Make；Protection module is connected with control module, by the detecting system course of work whether generation exception, and communicate information to
Control module；LED drive module, is connected with LED and control module, the LED control signal of response module, and produces corresponding
LED drive signal control outside LED；SWITCH drive modules are connected with control module and switching device SWITCH, response
The driving control signal of control module, and the drive signal of matching driving switch device is produced, control SWITCH switches
Device；SWITCH and VDD, OUT and SWITCH drive modules are connected, and respond the drive signal of SWITCH drive modules, it is determined that
Vdd terminal and the conducting and cut-off of OUT terminal, control the electric current of load.
Above-mentioned control module includes condition judgment module, drive control module and LED control module, wherein condition adjudgement mould
Root tuber judges system state in which according to the output of outside protection module and smoking detection module, and is distinguished according to current state
Corresponding control signal is provided to drive control module and LED control module；Drive control module and LED control module are respectively
Outside SWITCH drive modules and LED drive module provide control signal.
Drive control module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-to-digital conversion
Device, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the benchmark unrelated with voltage and temperature
Voltage Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and gives ratio by sampled value
Compared with device；The input of comparator is connected with sample circuit, and the output end of comparator is connected with reversible adder, main by comparing
The output voltage and internal reference voltage of sample circuit determine the computing mode of reversible adder, are Jia one operation or the behaviour that subtracts one
Make；Reversible adder and analog-digital converter, arithmetic unit are connected with comparator, determine the number of analog-digital converter during steady operation
Word is input into and provides corresponding data input to arithmetic unit；Analog-digital converter and reversible adder, arithmetic unit and sample circuit
It is connected, receives the numeral input of reversible adder, and is converted into analog signal；Arithmetic unit is produced with reversible adder and PWM
Raw circuit is connected, and produces circuit to provide duty cycle data to PWM；PWM produces circuit to be connected with arithmetic unit and drive module, according to
The duty cycle data of arithmetic unit, the pwm control signal for meeting and requiring is provided to drive module；The reference voltage generation module,
Sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce circuit to be connected with each other so as to realize output
Average voltage is unrelated with supply voltage, output voltage is kept constant.
The sampled value of VDD is exported sample circuit in drive control module the input of comparator according to a certain percentage
End, i.e. Sout=K*VDD, wherein K are the proportionality coefficient of sample circuit, and Sout is the output of sample circuit.
Be compared for the output of sample circuit and internal reference voltage by the comparator in drive control module, controls reversible
The computing direction of adder, the numeral output of reversible adder is converted to by analog-digital converter and can control sampling circuit samples
The analog signal of ratio, when whole loop reaches stabilization, output valve and the internal reference voltage of sample circuit reach it is consistent, i.e.,
K*VDD=Vref, wherein Vref are internal reference voltage.
Arithmetic unit in drive control module receives the output signal of reversible adder, and produced by internal calculation it is right
The control signal of PWM generation modules, and PWM produces circuit that the output signal of corresponding dutycycle, i.e. KD are produced by control signal
=K, D=F (KD)=A*KD wherein D are the dutycycle of output again, and F (KD) represents the algorithm inside arithmetic unit, and A is ratio system
Number；D=F (KD)=KD*A=K*A=Vref/VDD*A again；And in course of normal operation, the average value Vout of output voltage
It is with the relation between dutycycle D：Vout=D*VDD, that is, obtain Vout=D*VDD=Vref/VDD*A*VDD=Vref*A,
That is proportionality coefficient A of the output voltage only to internal reference voltage Vref and arithmetic unit is related, unrelated with supply voltage VDD, i.e., in fact
Show that output average voltage is unrelated with supply voltage, realized the constant of output voltage.
The beneficial effects of the invention are as follows, the chip and its operation method exported by the controllable electronic cigarette constant pressure for proposing,
Implementation is more diversified to export its constant pressure, and whole constant pressure output electronic cigarette control chip operation is more stablized, and modulus turns
The number of parallel operation is also less.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, embodiment will be described below needed for it is practical attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, to this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings,
The technical scheme that these accompanying drawings are directly obtained should also belong to protection domain of the present utility model.
Fig. 1:Electronics smoke structural representation.
Fig. 2:Electronic cigarette circuit connecting relation schematic diagram.
Fig. 3:Electronic cigarette control chip internal structure block diagram.
Fig. 4:Electronic cigarette control chip internal control module structured flowchart.
Fig. 5:The present invention proposes drive control circuit diagram in internal control module.
Fig. 6:Digital form realizes dutycycle and output voltage curve.
Specific embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below to the utility model
Specific embodiment elaborate.Elaborate many details in order to fully understand this practicality in the following description
It is new.But the utility model can be implemented with being much different from other manner described here, and those skilled in the art can
To do similar improvement in the case of without prejudice to intension of the present invention, therefore the utility model does not receive following public specific embodiment party
The limitation of formula.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 1, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4.It is described
Drive control module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-to-digital conversion as shown in Figure 5
Device, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the benchmark unrelated with voltage and temperature
Voltage Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and gives ratio by sampled value
Compared with device；Comparator and sample circuit, internal reference voltage are connected with reversible adder, mainly by comparing the output of sample circuit
Voltage and internal reference voltage determine the computing mode of reversible adder, are Jia one operation or the operations that subtracts；Reversible adder
With analog-digital converter, arithmetic unit is connected with comparator, determine during steady operation the numeral input of analog-digital converter and to
Arithmetic unit provides corresponding data input；Analog-digital converter is connected with reversible adder, arithmetic unit with sample circuit, receives reversible
The numeral input of adder, and it is converted into analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, to
PWM produces circuit to provide duty cycle data；PWM produces circuit to be connected with arithmetic unit and drive module, according to the duty of arithmetic unit
Than data, the pwm control signal for meeting and requiring is provided to drive module；By reference voltage generation module, sample circuit, compare
Device, reversible adder, analog-digital converter, arithmetic unit, PWM produce the mutual synergy of circuit it is achieved thereby that the average electricity of output
Pressure is unrelated with supply voltage.Then reach i.e. frequency controllable, can avoid relying on digital circuit merely again, it is desirable to improve regulation
The drawbacks of precision must just increase multidigit analog-to-digital conversion device and cause circuit real estate requirements too high；Overcome simulated implementation mode simultaneously
In due to there are concussion electric capacity inside circuit, the frequency for limiting duty cycle control signal is higher, in normal smoking process
Due to there is power tube switching frequency higher, cause circuit serious interference, especially in the case of heavier loads, easily to electricity
Sub- cigarette internal control circuit produces interference, if the filter design effect on using plate is bad, easily causes electronic cigarette work
During logical miss technical problem so that its constant pressure output implementation is more diversified, whole constant pressure output electricity
Sub- cigarette control chip operation is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 2, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4.It is described
Drive control module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-to-digital conversion as shown in Figure 5
Device, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the benchmark unrelated with voltage and temperature
Voltage Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and gives ratio by sampled value
Compared with device；The sampled value of VDD is exported sample circuit the input of comparator, i.e. Sout=K*VDD according to a certain percentage, wherein
K is the proportionality coefficient of sample circuit, and Sout is the output of sample circuit.The input of comparator is connected with sample circuit, compares
The output end of device is connected with reversible adder, and mainly output voltage and the internal reference voltage determination by comparing sample circuit can
The computing mode of inverse adder, is Jia one and operate or the operation that subtracts；Reversible adder and analog-digital converter, arithmetic unit and compare
Device is connected, and determines during steady operation the numeral input of analog-digital converter and provides corresponding data input to arithmetic unit；
Analog-digital converter is connected with reversible adder, arithmetic unit with sample circuit, receives the numeral input of reversible adder, and by its turn
It is changed to analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, produces circuit to provide duty cycle data to PWM；
PWM produces circuit to be connected with arithmetic unit and drive module, according to the duty cycle data of arithmetic unit, provides to meet to drive module and wants
The pwm control signal asked；By reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, fortune
Calculate device, PWM and produce the mutual synergy of circuit it is achieved thereby that output average voltage is unrelated with supply voltage.Then reach i.e.
Frequency is controllable, can avoid relying on digital circuit merely again, it is desirable to which improving degree of regulation must just increase long number modulus turn
The drawbacks of change device causes circuit real estate requirements too high；While due to there are concussion inside circuit in overcoming simulated implementation mode
Electric capacity, the frequency for limiting duty cycle control signal is higher, is switched due to there is power tube higher in normal smoking process
Frequency, causes circuit serious interference, especially in the case of heavier loads, easily electronic cigarette internal control circuit is produced dry
Disturb, if the filter design effect on using plate is bad, easily cause the technology of the logical miss in the electronic cigarette course of work
Problem, whole constant pressure output electronic cigarette control chip operation is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 3, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4.It is described
Drive control module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-to-digital conversion as shown in Figure 5
Device, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the benchmark unrelated with voltage and temperature
Voltage Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and gives ratio by sampled value
Compared with device；The sampled value of VDD is exported sample circuit the input of comparator, i.e. Sout=K*VDD according to a certain percentage, wherein
K is the proportionality coefficient of sample circuit, and Sout is the output of sample circuit.The input of comparator is connected with sample circuit, compares
The output end of device is connected with reversible adder, and mainly output voltage and the internal reference voltage determination by comparing sample circuit can
The computing mode of inverse adder, is Jia one and operate or the operation that subtracts；Comparator is electric by the output of sample circuit and internal reference
Pressure is compared, and controls the computing direction of reversible adder, and the numeral output of reversible adder is converted to by analog-digital converter
The analog signal of sampling circuit samples ratio can be controlled, when whole loop reach stabilization when, the output valve of sample circuit with it is interior
Portion's reference voltage reaches unanimously, i.e. K*VDD=Vref, wherein Vref are internal reference voltage.Reversible adder and analog-to-digital conversion
Device, arithmetic unit is connected with comparator, determines during steady operation the numeral input of analog-digital converter and is provided to arithmetic unit
Corresponding data input；Analog-digital converter is connected with reversible adder, arithmetic unit with sample circuit, receives the number of reversible adder
Word is input into, and is converted into analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, and circuit is produced to PWM
Duty cycle data is provided；PWM produces circuit to be connected with arithmetic unit and drive module, according to the duty cycle data of arithmetic unit, to drive
Dynamic model block provides the pwm control signal for meeting and requiring；By reference voltage generation module, sample circuit, comparator, reversible addition
Device, analog-digital converter, arithmetic unit, PWM produce the mutual synergy of circuit it is achieved thereby that output average voltage and power supply electricity
Pressure is unrelated.Then reach i.e. frequency controllable, can avoid relying on digital circuit merely again, it is desirable to improve degree of regulation just necessary
The drawbacks of increase multidigit analog-to-digital conversion device causes circuit real estate requirements too high；While due to circuit in overcoming simulated implementation mode
Inside there are concussion electric capacity, and the frequency for limiting duty cycle control signal is higher, in normal smoking process due to exist compared with
Power tube switching frequency high, causes circuit serious interference, especially in the case of heavier loads, easily electronic cigarette inside is controlled
Circuit processed produces interference, if the filter design effect on using plate is bad, easily causes patrolling in the electronic cigarette course of work
Volume chaotic technical problem, whole constant pressure output electronic cigarette control chip operation is more stablized, the number of analog-digital converter also compared with
It is few.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 4, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4.It is described
Drive control module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-to-digital conversion as shown in Figure 5
Device, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the benchmark unrelated with voltage and temperature
Voltage Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and gives ratio by sampled value
Compared with device；The sampled value of VDD is exported sample circuit the input of comparator, i.e. Sout=K*VDD according to a certain percentage, wherein
K is the proportionality coefficient of sample circuit, and Sout is the output of sample circuit.The input of comparator is connected with sample circuit, compares
The output end of device is connected with reversible adder, and mainly output voltage and the internal reference voltage determination by comparing sample circuit can
The computing mode of inverse adder, is Jia one and operate or the operation that subtracts；Comparator is electric by the output of sample circuit and internal reference
Pressure is compared, and controls the computing direction of reversible adder, and the numeral output of reversible adder is converted to by analog-digital converter
The analog signal of sampling circuit samples ratio can be controlled, when whole loop reach stabilization when, the output valve of sample circuit with it is interior
Portion's reference voltage reaches unanimously, i.e. K*VDD=Vref, wherein Vref are internal reference voltage.Reversible adder and analog-to-digital conversion
Device, arithmetic unit is connected with comparator, determines during steady operation the numeral input of analog-digital converter and is provided to arithmetic unit
Corresponding data input；Analog-digital converter is connected with reversible adder, arithmetic unit with sample circuit, receives the number of reversible adder
Word is input into, and is converted into analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, and circuit is produced to PWM
Duty cycle data is provided；Arithmetic unit receives the output signal of reversible adder, and is produced to PWM generation modules by internal calculation
Control signal, PWM produces circuit to be connected with arithmetic unit and drive module, according to the duty cycle data of arithmetic unit, to driving mould
The pwm control signal that block offer satisfaction is required, i.e. KD=K, D=F (KD)=A*KD wherein D are the dutycycle of output, F again
(KD) algorithm inside arithmetic unit is represented, A is proportionality coefficient；D=F (KD)=KD*A=K*A=Vref/VDD*A again；And just
In the normal course of work, the relation between the average value Vout and dutycycle D of output voltage is：Vout=D*VDD, that is, obtain Vout
=D*VDD=Vref/VDD*A*VDD=Vref*A, i.e. output voltage only with internal reference voltage Vref and the ratio of arithmetic unit
Coefficient A is related, unrelated with supply voltage VDD, that is, it is unrelated with supply voltage to realize output average voltage, realizes output voltage
It is constant.By reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM
The mutual synergy of circuit is produced it is achieved thereby that output average voltage is unrelated with supply voltage.Then reaching i.e. frequency can
Control, can avoid relying on digital circuit merely, it is desirable to improve degree of regulation and must just increase multidigit analog-digital converter and cause again
The drawbacks of circuit real estate requirements are too high；While being limited due to there are concussion electric capacity inside circuit in overcoming simulated implementation mode
The frequency for having made duty cycle control signal is higher, due to there is power tube switching frequency higher in normal smoking process, leads
Road serious interference is sent a telegraph, especially in the case of heavier loads, interference easily is produced to electronic cigarette internal control circuit, if should
With the filter design effect on plate it is bad if, easily cause the technical problem of the logical miss in the electronic cigarette course of work, entirely
Constant pressure output electronic cigarette control chip operation is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 5, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4, wherein
Condition judgment module one end is connected with the connected other end of drive control module with LED control module, the state for judging system
And provide corresponding control signal to drive control module and LED control module respectively according to current state.The drive control
Module includes reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, computing as shown in Figure 5
Device, PWM produce circuit；Reference voltage generation module is connected with comparator, produces the reference voltage unrelated with voltage and temperature
Vref；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and sampled value is given compares
Device；The input of comparator is connected with sample circuit, and the output end of comparator is connected with reversible adder, main to pass through to compare to adopt
The output voltage and internal reference voltage of sample circuit determine the computing mode of reversible adder, are Jia one operation or the behaviour that subtracts one
Make；Reversible adder and analog-digital converter, arithmetic unit are connected with comparator, determine the number of analog-digital converter during steady operation
Word is input into and provides corresponding data input to arithmetic unit；Analog-digital converter and reversible adder, arithmetic unit and sample circuit
It is connected, receives the numeral input of reversible adder, and is converted into analog signal；Arithmetic unit is produced with reversible adder and PWM
Raw circuit is connected, and produces circuit to provide duty cycle data to PWM；PWM produces circuit to be connected with arithmetic unit and drive module, according to
The duty cycle data of arithmetic unit, the pwm control signal for meeting and requiring is provided to drive module；By reference voltage generation module,
Sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce the mutual synergy of circuit so as to reality
Output average voltage is showed unrelated with supply voltage.Then reach i.e. frequency controllable, can avoid relying on digital circuit reality merely again
It is existing, it is desirable to the drawbacks of improving degree of regulation and just must increase multidigit analog-digital converter and cause circuit real estate requirements too high；While gram
Take in simulated implementation mode due to there are concussion electric capacity inside circuit, the frequency for limiting duty cycle control signal is higher,
In normal smoking process due to exist power tube switching frequency higher, cause circuit serious interference, especially load compared with
In the case of weight, interference easily is produced to electronic cigarette internal control circuit, if the filter design effect on using plate is bad,
The technical problem of the logical miss in the electronic cigarette course of work is easily caused, the operation of whole constant pressure output electronic cigarette control chip is more
Stabilization, the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 6, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4, drives
Control module provides control signal for outside SWITCH drive modules.The drive control module includes benchmark as shown in Figure 5
Voltage generating module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce circuit；Benchmark electricity
Pressure generation module is connected with comparator, produces the reference voltage V ref unrelated with voltage and temperature；Sample circuit and analog-to-digital conversion
Device is connected with comparator, main sampling power supply terminal voltage, and gives comparator by sampled value；The input of comparator and sampling electricity
Road is connected, and the output end of comparator is connected with reversible adder, and mainly the output voltage and inside by comparing sample circuit are joined
The computing mode that voltage determines reversible adder is examined, is Jia one operation or the operation that subtracts；Reversible adder and analog-digital converter,
Arithmetic unit is connected with comparator, determines during steady operation the numeral input of analog-digital converter and provides corresponding to arithmetic unit
Data input；Analog-digital converter is connected with reversible adder, arithmetic unit with sample circuit, receives the digital defeated of reversible adder
Enter, and be converted into analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, produces circuit to provide to PWM
Duty cycle data；PWM produces circuit to be connected with arithmetic unit and drive module, according to the duty cycle data of arithmetic unit, to driving mould
Block provides the pwm control signal for meeting and requiring；By reference voltage generation module, sample circuit, comparator, reversible adder,
Analog-digital converter, arithmetic unit, PWM produce circuit mutual synergy it is achieved thereby that output average voltage and supply voltage without
Close.Then reach i.e. frequency controllable, can avoid relying on digital circuit merely again, it is desirable to which improving degree of regulation must just increase
The drawbacks of multidigit analog-digital converter causes circuit real estate requirements too high；Overcome simultaneously in simulated implementation mode inside due to circuit
Concussion electric capacity is there are, the frequency for limiting duty cycle control signal is higher, it is higher due to existing in normal smoking process
Power tube switching frequency, causes circuit serious interference, especially in the case of heavier loads, easily to electronic cigarette internal control electricity
Road produces interference, and if the filter design effect on using plate is bad, the logic easily caused in the electronic cigarette course of work is mixed
Random technical problem, whole constant pressure output electronic cigarette control chip operation is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 7, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH；The constant pressure exports electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module, LED controls as shown in Figure 4
Molding block provides control signal for LED drive module.The drive control module includes that reference voltage produces mould as shown in Figure 5
Block, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce circuit；Reference voltage generation module
It is connected with comparator, produces the reference voltage V ref unrelated with voltage and temperature；Sample circuit and analog-digital converter and comparator
It is connected, main sampling power supply terminal voltage, and give comparator by sampled value；Comparator and sample circuit, internal reference voltage and
Reversible adder is connected, and the fortune of reversible adder is mainly determined by comparing the output voltage and internal reference voltage of sample circuit
Calculation mode, is Jia one operation or the operation that subtracts；Reversible adder and analog-digital converter, arithmetic unit are connected with comparator, it is determined that
The numeral input of analog-digital converter and corresponding data input is provided during steady operation to arithmetic unit；Analog-digital converter with
Reversible adder, arithmetic unit is connected with sample circuit, receives the numeral input of reversible adder, and is converted into simulation letter
Number；Arithmetic unit produces circuit to be connected with reversible adder and PWM, produces circuit to provide duty cycle data to PWM；PWM produces electricity
Road is connected with arithmetic unit and drive module, according to the duty cycle data of arithmetic unit, the PWM controls for meeting and requiring is provided to drive module
Signal processed；By reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM
The mutual synergy of circuit is produced it is achieved thereby that output average voltage is unrelated with supply voltage.Then reaching i.e. frequency can
Control, can avoid relying on digital circuit merely, it is desirable to improve degree of regulation and must just increase multidigit analog-digital converter and cause again
The drawbacks of circuit real estate requirements are too high；While being limited due to there are concussion electric capacity inside circuit in overcoming simulated implementation mode
The frequency for having made duty cycle control signal is higher, due to there is power tube switching frequency higher in normal smoking process, leads
Road serious interference is sent a telegraph, especially in the case of heavier loads, interference easily is produced to electronic cigarette internal control circuit, if should
With the filter design effect on plate it is bad if, easily cause the technical problem of the logical miss in the electronic cigarette course of work, entirely
Constant pressure output electronic cigarette control chip operation is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 8, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH；Smoking detection module and outside
SENS ends are connected with control module, by detecting the signal intensity at outside SENS ends, judge whether system occurs smoking action.Institute
The control module stated in constant pressure output electronic cigarette control chip includes condition judgment module, drive control module as shown in Figure 4
And LED control module.Drive control module includes reference voltage generation module, sample circuit, comparator, reversible as shown in Figure 5
Adder, analog-digital converter, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produces and voltage
The reference voltage V ref unrelated with temperature；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage,
And give comparator by sampled value；The input of comparator is connected with sample circuit, the output end of comparator and reversible adder
It is connected, the computing mode of reversible adder is mainly determined by comparing the output voltage and internal reference voltage of sample circuit, is
The operation operation that still subtracts of plus one；Reversible adder and analog-digital converter, arithmetic unit are connected with comparator, determine steady operation mistake
The numeral input of analog-digital converter and corresponding data input is provided in journey to arithmetic unit；Analog-digital converter and reversible addition
Device, arithmetic unit is connected with sample circuit, receives the numeral input of reversible adder, and is converted into analog signal；Arithmetic unit
Produce circuit to be connected with reversible adder and PWM, produce circuit to provide duty cycle data to PWM；PWM produces circuit and arithmetic unit
It is connected with drive module, according to the duty cycle data of arithmetic unit, the pwm control signal for meeting and requiring is provided to drive module；It is logical
Cross reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM and produce circuit
Mutually synergy is it is achieved thereby that output average voltage is unrelated with supply voltage.Then reach i.e. frequency controllable, can avoid again
Rely on digital circuit merely, it is desirable to improve degree of regulation and must just increase multidigit analog-digital converter and cause circuit real estate requirements
Too high the drawbacks of；While limiting dutycycle control due to there are concussion electric capacity inside circuit in overcoming simulated implementation mode
The frequency of signal processed is higher, due to there is power tube switching frequency higher in normal smoking process, causes circuit to disturb tight
Weight, especially in the case of heavier loads, easily produces interference, if using the filtering on plate to electronic cigarette internal control circuit
If design effect is bad, the technical problem of the logical miss in the electronic cigarette course of work is easily caused, whole constant pressure exports electronics
The operation of cigarette control chip is more stablized, and the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 9, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH；Protection module and control module phase
Even, the exceptional instructions signal sent by control module, disconnecting circuit is so as to realize to electronic cigarette constant pressure output control chip
Protection.Control module in the constant pressure output electronic cigarette control chip includes condition judgment module, drives control as shown in Figure 4
Molding block and LED control module.The drive control module includes reference voltage generation module, sample circuit, ratio as shown in Figure 5
Circuit is produced compared with device, reversible adder, analog-digital converter, arithmetic unit, PWM；Reference voltage generation module is connected with comparator, produces
The life reference voltage V ref unrelated with voltage and temperature；Sample circuit is connected with analog-digital converter and comparator, main sampling electricity
Source voltage terminal, and give comparator by sampled value；The input of comparator is connected with sample circuit, the output end of comparator and can
Inverse adder is connected, and the computing of reversible adder is mainly determined by comparing the output voltage and internal reference voltage of sample circuit
Mode, is Jia one operation or the operation that subtracts；Reversible adder and analog-digital converter, arithmetic unit are connected with comparator, it is determined that surely
Determine the numeral input of analog-digital converter in the course of work and provide corresponding data input to arithmetic unit；Analog-digital converter with can
Inverse adder, arithmetic unit is connected with sample circuit, receives the numeral input of reversible adder, and is converted into analog signal；
Arithmetic unit produces circuit to be connected with reversible adder and PWM, produces circuit to provide duty cycle data to PWM；PWM produce circuit with
Arithmetic unit is connected with drive module, according to the duty cycle data of arithmetic unit, the PWM control letters for meeting and requiring is provided to drive module
Number；Produced by reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM
The mutual synergy of circuit is it is achieved thereby that output average voltage is unrelated with supply voltage.Then i.e. frequency is reached controllable, and
Can avoid relying on digital circuit merely, it is desirable to improve degree of regulation and must just increase multidigit analog-digital converter and cause circuit to provide
The drawbacks of source requires too high；While limiting and accounting for due to there are concussion electric capacity inside circuit in overcoming simulated implementation mode
It is empty higher than the frequency of control signal, due to there is power tube switching frequency higher in normal smoking process, cause circuit
Serious interference, especially in the case of heavier loads, easily produces interference, if using on plate to electronic cigarette internal control circuit
Filter design effect it is bad if, easily cause the technical problem of the logical miss in the electronic cigarette course of work, whole constant pressure is defeated
Go out electronic cigarette control chip operation more to stablize, the number of analog-digital converter is also less.
A kind of chip of controllable electronic cigarette constant pressure output of embodiment 10, includes smoking detection module, control as shown in Figure 3
Molding block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH, the constant pressure export electronic cigarette control
Control module in coremaking piece includes condition judgment module, drive control module and LED control module as shown in Figure 4.
SWITCH drive modules are connected with control module and switching device SWITCH, the driving control signal of response module, and produce
The drive signal of the matching driving switch device of life, controls SWITCH switching devices.The drive control module such as Fig. 5 institutes
Show and produce electricity including reference voltage generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM
Road；Reference voltage generation module is connected with comparator, produces the reference voltage V ref unrelated with voltage and temperature；Sample circuit with
Analog-digital converter is connected with comparator, main sampling power supply terminal voltage, and gives comparator by sampled value；The input of comparator
It is connected with sample circuit, the output end of comparator is connected with reversible adder, mainly by comparing the output voltage of sample circuit
It is Jia one operation or the operation that subtracts with the computing mode that internal reference voltage determines reversible adder；Reversible adder and mould
Number converter, arithmetic unit is connected with comparator, determines during steady operation the numeral input of analog-digital converter and to computing
Device provides corresponding data input；Digital analog converter is connected with reversible adder, arithmetic unit with sample circuit, receives reversible addition
The numeral input of device, and it is converted into analog signal；Arithmetic unit produces circuit to be connected with reversible adder and PWM, is produced to PWM
Raw circuit provides duty cycle data；PWM produces circuit to be connected with arithmetic unit and drive module, the dutycycle number according to arithmetic unit
According to the pwm control signal that drive module offer satisfaction is required；By reference voltage generation module, sample circuit, comparator,
Reversible adder, analog-digital converter, arithmetic unit, PWM produce the mutual synergy of circuit it is achieved thereby that output average voltage
It is unrelated with supply voltage.Then reach i.e. frequency controllable, can avoid relying on digital circuit merely again, it is desirable to improve regulation essence
The drawbacks of degree just must increase multidigit analog-digital converter and cause circuit real estate requirements too high；While in overcoming simulated implementation mode
Due to there are concussion electric capacity inside circuit, the frequency for limiting duty cycle control signal is higher, in normal smoking process by
In there is power tube switching frequency higher, cause circuit serious interference, especially in the case of heavier loads, easily to electronics
Cigarette internal control circuit produces interference, if the filter design effect on using plate is bad, easily causes electronic cigarette worked
The technical problem of the logical miss in journey, whole constant pressure output electronic cigarette control chip operation is more stablized, analog-digital converter
Number is also less.
A kind of chips of controllable electronic cigarette constant pressure output of such as Fig. 3 of embodiment 11, including smoking detection module, control mould
Block, protection module, SWITCH drive modules, LED drive module, switching tube SWITCH.Wherein outside smoking detection module one end
The SENS connection other ends are connected with control module, by detecting the signal intensity at outside SENS ends, judge whether system inhales
Cigarette is acted；Protection module is connected with control module, by the detecting system course of work whether generation exception, and information is passed
Give control module；LED drive module is connected with LED and control module, the LED control signal of response module, and produces
LED outside corresponding LED drive signal control；SWITCH drive modules are connected with control module and switching device SWITCH,
The driving control signal of response module, and the drive signal of matching driving switch device is produced, control SWITCH
Switching device；SWITCH and VDD, OUT and SWITCH drive modules are connected, and respond the drive signal of SWITCH drive modules,
Determine the conducting and cut-off of vdd terminal and OUT terminal, control the electric current of load, the operation of whole constant pressure output electronic cigarette control chip is more
Plus it is stable, the number of analog-digital converter is also less.
Control module as shown in Figure 4 includes condition judgment module, drive control module and LED control module, wherein state
Judge module judges system state in which according to the output of outside protection module and smoking detection module, and according to current shape
State provides corresponding control signal to drive control module and LED control module respectively；Drive control module and LED control module
Respectively outside SWITCH drive modules and LED drive module provide control signal.
Drive control module as shown in Figure 5 include reference voltage generation module, sample circuit, comparator, reversible adder,
Analog-digital converter, arithmetic unit, PWM produce circuit；Reference voltage generation module is connected with comparator, produce with voltage and temperature without
The reference voltage V ref of pass；Sample circuit is connected with analog-digital converter and comparator, main sampling power supply terminal voltage, and will sampling
Value gives comparator；The input of comparator is connected with sample circuit, and the output end of comparator is connected with reversible adder, mainly
The computing mode of reversible adder is determined by the output voltage and internal reference voltage that compare sample circuit, is Jia one to operate also
It is the operation that subtracts；Reversible adder is connected with analog-digital converter, arithmetic unit and comparator, and modulus turns during determining steady operation
The numeral input of parallel operation and provide corresponding data input to arithmetic unit；Analog-digital converter and reversible adder, arithmetic unit and
Sample circuit is connected, and receives the digital number input of reversible adder, and is converted into analog signal；Arithmetic unit adds with reversible
Musical instruments used in a Buddhist or Taoist mass produces circuit to be connected with PWM, produces circuit to provide duty cycle data to PWM；PWM produces circuit with arithmetic unit and driving mould
Block is connected, and according to the duty cycle data of arithmetic unit, the pwm control signal for meeting and requiring is provided to drive module；The benchmark electricity
Pressure generation module, sample circuit, comparator, reversible adder, analog-digital converter, arithmetic unit, PWM produce circuit be connected with each other from
And realize that output average voltage is unrelated with supply voltage, output voltage is kept constant.
Drive control module operation principle is as follows：
The sampled value of VDD is exported sample circuit in drive control module the input of comparator according to a certain percentage
End, obtains formula 1 immediately：Sout=K*VDD, wherein K are the proportionality coefficient of sample circuit, and Sout is the output of sample circuit, its
Middle * represents that the declaration of will that looks like of multiplication is identical, and the meaning is expressed in this formula for K is multiplied by VDD.
Be compared for the output of sample circuit and internal reference voltage by the comparator in drive control module, controls reversible
The computing direction of adder, the numeral output of reversible adder is converted to by analog-digital converter and can control sampling circuit samples
The analog signal of ratio, when whole loop reaches stabilization, output valve and the internal reference voltage of sample circuit reach it is consistent, i.e.,
Obtain formula 2：K*VDD=Vref, wherein Vref are internal reference voltage.
Being directed to different supply voltage VDD will produce different K values matched, and the numeral of reversible adder
Output KD is to be corresponded with corresponding simulation K values, and herein it is also contemplated that the two is equal, the arithmetic unit in drive control module connects
The output signal of reversible adder is received, and the control signal to PWM generation modules is produced by internal calculation, and PWM produces electricity
Road produces the output signal of corresponding dutycycle by control signal, obtains formula 3：KD=K.
Formula 4 is obtained immediately：D=F (KD)=A*KD, wherein D are the dutycycle of output, and F (KD) is represented inside arithmetic unit
Algorithm, A is proportionality coefficient.
When system reaches stabilization, following relation can be obtained by formula 1-4：
Formula 5 again：D=F (KD)=KD*A=K*A=Vref/VDD*A.
Because in course of normal operation, the relation between the average value Vout and dutycycle D of output voltage is formula 6：Vout=
D*VDD, wherein ignoring switching tube conducting resistance.
Formula 7 can be drawn to obtain by the combination of formula 5~6：
Vout=D*VDD=Vref/VDD*A*VDD=Vref*A, namely output voltage only with internal reference voltage Vref
Proportionality coefficient A to arithmetic unit is related, unrelated with supply voltage VDD, that is, realize output average voltage it is unrelated with supply voltage,
Realize the constant of output voltage.Then reach i.e. frequency controllable, can avoid being realized by analog circuit merely again, it is desirable to improve
The drawbacks of analog-digital converter that degree of regulation must just increase long number causes circuit real estate requirements too high；Overcome simulation simultaneously
Due to there are concussion electric capacity inside circuit in implementation, the frequency for limiting duty cycle control signal is higher, is normally inhaling
Due to there is power tube switching frequency higher during cigarette, cause circuit serious interference, especially in the case of heavier loads,
Interference easily is produced to electronic cigarette internal control circuit, if the filter design effect on using plate is bad, electricity is easily caused
The technical problem of the logical miss in the sub- cigarette course of work.
Claims (7)
1. a kind of chip of controllable electronic cigarette constant pressure output, including smoking detection module, control module, protection module,
SWITCH drive modules, LED drive module, switching tube SWITCH, the control module include condition judgment module, drive control
Module and LED control module, it is characterised in that：The drive control module includes reference voltage generation module, sample circuit, ratio
Circuit is produced compared with device, reversible adder, analog-digital converter, arithmetic unit, PWM；Reference voltage generation module is connected with comparator；Adopt
Sample circuit is connected with analog-digital converter and comparator；The input of comparator is connected with sample circuit, the output end of comparator and
Reversible adder is connected；Reversible adder is connected with analog-digital converter, arithmetic unit and comparator；Analog-digital converter and reversible addition
Device, arithmetic unit are connected with sample circuit；Arithmetic unit produces circuit to be connected with reversible adder and PWM；PWM produces circuit and computing
Device is connected with drive module.
2. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：Smoking detection module one
End is connected with outside SENS ends, and the other end is connected with control module.
3. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：Protection module and control
Module is connected.
4. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：LED drive module with
LED and control module are connected.
5. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：SWITCH drive modules
It is connected with control module and switching device SWITCH.
6. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：SWITCH and VDD,
OUT and SWITCH drive modules are connected.
7. the chip that controllable electronic cigarette constant pressure according to claim 1 is exported, it is characterised in that：Condition judgment module one
End is connected with drive control module, and the other end is connected with LED control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391059.9U CN206249129U (en) | 2016-12-16 | 2016-12-16 | A kind of chip of controllable electronic cigarette constant pressure output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391059.9U CN206249129U (en) | 2016-12-16 | 2016-12-16 | A kind of chip of controllable electronic cigarette constant pressure output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249129U true CN206249129U (en) | 2017-06-13 |
Family
ID=59008411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621391059.9U Active CN206249129U (en) | 2016-12-16 | 2016-12-16 | A kind of chip of controllable electronic cigarette constant pressure output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083194A (en) * | 2019-06-06 | 2019-08-02 | 西安拓尔微电子有限责任公司 | A kind of circuit and its implementation of the electronic cigarette of achievable constant power output |
-
2016
- 2016-12-16 CN CN201621391059.9U patent/CN206249129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083194A (en) * | 2019-06-06 | 2019-08-02 | 西安拓尔微电子有限责任公司 | A kind of circuit and its implementation of the electronic cigarette of achievable constant power output |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106502297B (en) | A kind of constant pressure exports electronic cigarette control chip | |
| CN106579560A (en) | E-cigarette drive method and component and electronic smoking set | |
| CN107072312A (en) | Whether tobacco tar exhausts in a kind of detection electronic cigarette method and a kind of electronic cigarette | |
| CN203365558U (en) | Circuit and device for three-phase power open-phase detection | |
| CN204515009U (en) | A kind of super low-power consumption battery voltage detection circuit | |
| CN107248808B (en) | A kind of power converter control circuit of achievable controller parameter Self-tuning System | |
| CN106052844B (en) | A kind of vibration signal conditioning circuit based on external interrupt | |
| CN107359654A (en) | A kind of measuring instrument radio communication device power control system | |
| CN105212272A (en) | A kind of constant voltage exports electronic cigarette and electronic cigarette chip | |
| CN206249129U (en) | A kind of chip of controllable electronic cigarette constant pressure output | |
| CN206876724U (en) | A kind of charge modulation device accelerometer capacitance detecting device | |
| CN207589216U (en) | Adaptive fast response circuit and LED drive circuit | |
| CN108241129A (en) | Switching power supply output filter capacitor monitoring device and method | |
| CN103904373B (en) | Battery current management device | |
| CN110474521A (en) | A kind of DC decompression power supply based on energy hole | |
| CN206237171U (en) | A kind of electronic cigarette of constant power output | |
| CN206251393U (en) | Breathing circuit for lamp and electronic equipment | |
| CN208707363U (en) | Variable current voltage output system | |
| CN208350571U (en) | A kind of front end data acquisition module of fugitive dust monitoring device | |
| CN107818066A (en) | Data communication system | |
| CN208013293U (en) | A kind of alternating current sample circuit | |
| CN103441544B (en) | The multivoltage output control circuit of intelligent charger | |
| CN206878507U (en) | A kind of measuring instrument radio communication device power control system | |
| CN206992954U (en) | Current detection circuit and power conversion unit | |
| CN205483302U (en) | Low -power consumption temperature sensing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: B201, zero one square, Xi'an Software Park, 72 Keji 2nd Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Tuoer Microelectronics Co.,Ltd. Address before: 710075 oak constellation C603, No. 3, Keji fifth road, high tech Zone, Xi'an, Shaanxi Province Patentee before: XI'AN TUOER MICROELECTRONICS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230424 Address after: 305-1, Building C, Qiaoke Town, Jiangdong Village, Hezhuang Street, Dajiangdong Industrial Agglomeration Zone, Hangzhou City, Zhejiang Province, 311222 Patentee after: HANGZHOU TOLL MICROELECTRONIC Co.,Ltd. Address before: B201, zero one square, Xi'an Software Park, 72 Keji 2nd Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee before: Tuoer Microelectronics Co.,Ltd. |
|
| TR01 | Transfer of patent right |