CN110122927A - The releasing control method of electric heating Smoke-generating System and volatile compound - Google Patents
The releasing control method of electric heating Smoke-generating System and volatile compound Download PDFInfo
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- CN110122927A CN110122927A CN201910263891.2A CN201910263891A CN110122927A CN 110122927 A CN110122927 A CN 110122927A CN 201910263891 A CN201910263891 A CN 201910263891A CN 110122927 A CN110122927 A CN 110122927A
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Abstract
The present invention proposes a kind of releasing control method of volatile compound in electric heating Smoke-generating System, by providing a continuous current as detection electric current at least one heating element, and measures the voltage value at heating element both ends under the detection electric current；The voltage value of measurement is compared with preset voltage threshold, and is adjusted by the electric energy that heating element is supplied, voltage value of the heating element in the case where detecting electric current is made to be maintained at preset voltage threshold or less.The above control method of the invention, whole process is not related to detection and conversion to temperature, and only detects the voltage value under constant current and correspond to adjustment output to the electric energy of heating element, it keeps voltage value to be in threshold value, the good control of electric heating Smoke-generating System working condition can be realized；The temperature evaluation of the controller of Limited computational resources is simplified, and reduces the measurement and calculating to electric current factor, while simplifying hardware configuration, improves the accuracy of result.
Description
Technical field
The present embodiments relate to electric heating Smoke-generating System field more particularly to a kind of electric heating Smoke-generating System and volatility
The releasing control method of compound.
Background technique
Electric heating Smoke-generating System is generated and is inhaled for the aerosol sucked by heating to volatile compound
A kind of electronics smoke product of food.It is generally necessary to monitor the real time temperature of heat generating components in electric heating Smoke-generating System use, and according to
Temperature controls the operating power of heat generating components, to guarantee that the real time temperature of heat generating components is in preset range.
And at present for the monitoring of real time temperature, two methods are generallyd use, one is individual temperature sensor is arranged,
Real time temperature information is acquired by temperature sensor to realize thermostatic control；Another kind is luxuriant and rich with fragrance not special in No. 200980110074.8
The resistivity method that benefit is proposed, real time resistance rate when being worked according to heating element obtain real time temperature information to derive,
It is controlled again.
In both the above real-time mode, the hardware cost of product is increased in structure using temperature sensor sensing temperature
And assembly difficulty, thus less be used.It generallys use using the change in resistance of heating element itself and obtains real time temperature,
And this mode implement in resistivity monitoring detected by a standard divider resistance；But during detecting, battery
The factors such as output voltage, load, electric current are so that monitoring becomes complicated, and to influence the standard of result in variable condition
True property.
Summary of the invention
In order to solve the problems, such as electric heating Smoke-generating System temperature sensing in the prior art and control, the embodiment of the present invention is mentioned
For a kind of method released the control that can more convenient and be accurately electrically heated volatile compound in Smoke-generating System.
The present invention proposes a kind of releasing control method of volatile compound in electric heating Smoke-generating System, the electric heating hair
Cigarette system includes power supply, connect with the power supply at least one be used to heat the heating element that aerosol generates matrix；Wherein, described
Aerosol generates matrix and discharges a variety of volatile compounds when heated；The described method includes:
Control power supply is supplied to the electric energy of at least one heating element, with prevent at least one volatile compound from
The aerosol generates to be discharged in matrix, and the rate-determining steps include:
A constant detection electric current is provided at least one described heating element；
Measure the voltage value of at least one heating element under the detection electric current；
The voltage value of the measurement is compared with preset voltage threshold；And
The electric energy supplied at least one described heating element is adjusted, makes at least one described heating element in the detection
Voltage value under electric current is maintained at preset voltage threshold or less.
Preferably, control power supply is supplied to the electric energy of at least one heating element, prevents at least one volatility
Before conjunction object release steps, further includes:
Predefine at least one described heating element corresponding voltage threshold under the current value of the detection electric current.
Preferably, at least one described heating element corresponding voltage under the current value of the detection electric current is predefined
Threshold value includes:
According to the scheduled maximum allowable operating temperature (M.A.O.T.) value of at least one heating element, at least one described heating unit is calculated
Part corresponds to the resistance value of maximum allowable operating temperature (M.A.O.T.) value；Wherein, the scheduled maximum allowable operating temperature (M.A.O.T.) value in volatile compound extremely
Under a kind of few minimum release temperature；
The resistance value of maximum allowable operating temperature (M.A.O.T.) value and the electricity of the detection electric current are corresponded to according at least one described heating element
Flow valuve calculates the corresponding voltage threshold under the current value of the detection electric current.
Preferably, the electric energy that adjustment is supplied at least one described heating element makes at least one described heating element exist
The step that voltage value under the detection electric current is maintained at preset voltage threshold or less includes:
It adjusts to the duty ratio of at least one described heating element supply electric energy, so that at least one described heating element exists
Voltage value under the detection electric current is maintained at preset voltage threshold or less.
Preferably, when the voltage value of measurement be greater than the voltage threshold when, control power interruptions to it is described at least one add
The electric energy of thermal element is supplied；When the voltage value of measurement be less than or equal to the voltage threshold when, control power supply keep to it is described extremely
The electric energy supply of a few heating element.
Preferably, the electric energy that adjustment is supplied at least one described heating element makes at least one described heating element exist
The step that voltage value under the detection electric current is maintained at preset voltage threshold or less includes:
Regulate supply to the voltage value size of at least one heating element supply electric energy so that it is described at least one add
Voltage value of the thermal element under the detection electric current is maintained at preset voltage threshold or less.
Preferably, the voltage value size for regulating supply at least one heating element supply electric energy, make it is described at least
Voltage value of one heating element under the detection electric current is maintained within the scope of preset voltage threshold one below, is wrapped
It includes:
When the voltage value of the measurement is greater than the upper limit of the range, reduce at least one heating element supply
The voltage of electric energy；
When the voltage value of the measurement is less than the lower limit of the range, increase at least one heating element supply
The voltage of electric energy.
Preferably, control power supply intermittently provides described in a constant detection electric current and measurement at least one heating element
Voltage value of at least one heating element under the detection electric current, and the rate-determining steps are executed with the frequency of 100~1000Hz.
The present invention also proposes that the releasing control method of volatile compound in another electric heating Smoke-generating System, the electricity add
Hot Smoke-generating System includes power supply, connect with the power supply at least one be used to heat the heating element that aerosol generates matrix；Wherein,
The aerosol generates matrix and discharges a variety of volatile compounds when heated；The described method includes:
The operating current of at least one heating element is kept to be continuously constant current；
Control power supply is supplied to the voltage of at least one heating element, with prevent at least one volatile compound from
The aerosol generates to be discharged in matrix；The rate-determining steps include:
Measure the operating voltage value of at least one heating element；
The operating voltage value of the measurement is compared with preset voltage threshold；And
The voltage supplied at least one described heating element is adjusted, so that the work electricity of at least one heating element
Pressure is maintained at preset voltage threshold or less.
The present invention also proposes that the releasing control method of volatile compound in another electric heating Smoke-generating System, the electricity add
Hot Smoke-generating System includes power supply, connect with the power supply at least one be used to heat the heating element that aerosol generates matrix；Wherein,
The aerosol generates matrix and discharges a variety of volatile compounds when heated；The described method includes:
Control power supply is supplied to the electric energy of at least one heating element, with prevent at least one volatile compound from
The aerosol generates to be discharged in matrix, and the rate-determining steps include:
Power supply is controlled within the first period and provides a constant current at least one described heating element, and measurement is described extremely
Few voltage value of the heating element under the detection electric current；The voltage value of the measurement and preset voltage threshold are compared
Compared with；And
Power supply is adjusted within the second period to export to the electric energy of at least one heating element, make it is described at least one add
Voltage value of the thermal element under the detection electric current is maintained at preset voltage threshold or less；
Rate-determining steps in first period and in the second period are alternately performed according to certain frequency.
Based on above method, the present invention also proposes that a kind of electric heating Smoke-generating System, the electric heating Smoke-generating System include electricity
Source, at least one connecting with the power supply are used to heat the heating element that aerosol generates matrix；Wherein, the aerosol generates matrix
A variety of volatile compounds are discharged when heated；The electric heating Smoke-generating System further include:
Constant current detection module is exported for providing constant current to heating element, and measures the heating element in the perseverance
The voltage value at both ends under constant current；
Electric energy adjusts module, exports for adjusting the power supply to the electric energy of heating element；
Control module, for the voltage value of the measurement to be compared with predetermined voltage threshold, and according to comparison result
It controls electric energy adjustment module and adjusts the power supply and export to the electric energy of heating element, at least one described heating element is made to exist
Voltage value under the constant current is maintained at preset voltage threshold or less.
The above electric heating Smoke-generating System of the invention and its control method, whole process be not related to detection to temperature and
Conversion, and only detect the voltage value under constant current and correspond to adjustment output to the electric energy of heating element, keep voltage value to be in threshold
Value, can be realized the good control of electric heating Smoke-generating System working condition；Simplify the temperature of the controller of Limited computational resources
Evaluation, and reduce measurement and calculating to electric current factor, while simplifying hardware configuration, improve the accurate of result
Property.
Based on another control mode, the present invention also proposes another electric heating Smoke-generating System, a kind of electric heating smoke system
System, which is characterized in that the electric heating Smoke-generating System includes power supply, connect with the power supply at least one be used to heat aerosol and give birth to
At the heating element of matrix；Wherein, the aerosol generation matrix discharges a variety of volatile compounds when heated；The electric heating
Smoke-generating System further include:
Detection module, for measuring the working condition of the heating element；
Electric energy adjusts module, exports for adjusting the power supply to the electric energy of heating element；
Control module measures the working condition of the heating element for controlling the detection module, and according to the survey
The adjustment module adjustment power supply of electric energy described in the working state control of amount is exported to the electric energy of heating element；
The detection module and power conditioning module are configured as according to certain frequency alternate run.
Preferably, the working condition of the heating element includes the operating voltage value of heating element, working current value, in real time
At least one of resistance value, real time resistance rate coefficient or operation temperature.
Preferably, the detection module includes electrical input, signal detection end, controlled end and signal output end；Wherein, institute
Electrical input is stated to connect to power supply, the signal detection end is connect with heater element, the controlled end and signal output end with
Control module connection；
The power conditioning module includes electrical energy inputs, electric energy output end and controlled end；Wherein, the electrical energy inputs
It connects to power supply, electric energy output end is connect with heating element, and controlled end is connect with control module.
Preferably, the electric heating Smoke-generating System further include:
First switch is powered for controlling the power supply to detection module；The electrical input of the detection module is by being somebody's turn to do
First switch connects to power supply.
Preferably, the power conditioning module includes second switch, which connects to power supply, the other end with
Heater element connection, and the power supply is adjusted by the on-off of the second switch and is exported to the electric energy of heating element；Described second
Switch is configured as the disconnection when the voltage value at the heating element both ends of the measurement is higher than predetermined voltage threshold.
Preferably, the first switch and the second switch is configured as according to certain frequency alternate conduction, to make institute
Detection module and power conditioning module are stated according to certain frequency alternate run.
Preferably, the detection module includes:
Constant current converting unit, for the output voltage of the power supply to be converted into constant current output to heating element；
Voltage detection unit, for measuring the voltage value at heating element both ends under the constant current.
Preferably, the constant current converting unit includes voltage-stablizer, first resistor, first capacitor and the second capacitor；
The voltage-stablizer has voltage input end, voltage output end and public connecting end, and voltage input end and power supply connect
It connects；Described first resistor one end is connect with the voltage output end, the other end is connect with the public connecting end；
Described first capacitor one end is connect with voltage input end, the other end is connect with the public connecting end；Described second
Capacitor one end is connect with voltage output end, the other end is connect with the public connecting end.
Preferably, the voltage detection unit includes amplifier, which has controlled end, voltage detection terminal and signal
Output end；Wherein,
The controlled end is connect with control module, and the voltage detection terminal is connect with the heating element, and the signal is defeated
Outlet is connect with control module.
Preferably, the electric energy adjustment module includes:
Boosting unit, for when the voltage value at the heating element both ends of the measurement be lower than predetermined voltage threshold range when,
The power supply is promoted to the supply voltage of heating element；
Pressure unit；For when the voltage value at the heating element both ends of the measurement be higher than predetermined voltage threshold range when,
The power supply is reduced to the supply voltage of heating element.
The above electric heating Smoke-generating System supplies the hardware module adjusted respectively according to certain frequency with electric energy using will test
Rate alternate run, on the one hand enormously simplifies hardware configuration, on the other hand eliminates and reduce mutual interference.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the schematic diagram of an embodiment electric heating Smoke-generating System；
Fig. 2 is the heating element curve graph that voltage varies with temperature in electric current 4A of a nichrome；
Fig. 3 is the flow diagram of the releasing control method of volatile compound in an embodiment electric heating Smoke-generating System；
The circuit block diagram of the release control device of volatile compound in mono- embodiment electric heating Smoke-generating System of Fig. 4；
Fig. 5 is the schematic diagram of constant current detection module in Fig. 4；
Fig. 6 is the electric appliance principle of the release control device of volatile compound in electric heating Smoke-generating System in Fig. 4 embodiment
Figure；
Fig. 7 is the circuit block diagram of the release control device of volatile compound in another embodiment electric heating Smoke-generating System.
Specific embodiment
To facilitate the understanding of the present invention, with reference to the accompanying drawings and detailed description, the present invention is carried out in more detail
It is bright.
The present invention proposes a kind of releasing control method of volatile compound in electric heating Smoke-generating System；It is based on electric heating
Smoke-generating System, system structure may refer to shown in Fig. 1 in one embodiment, including power supply device 10 and power supply device 10 connect
At least one heating element 20 and aerosol connect generates matrix 30；Heating element 20 is used to generate matrix 30 to aerosol and carry out
Heating, to discharge a variety of volatile compounds, and these volatile compounds are only formed by heating.Wherein, more
Each in kind volatile compound all has minimum release temperature, and volatile compound is released on the minimum release temperature
It puts.For the ease of product use, system further includes having controller 40, for controlling the output of power supply device 10 to heating element 20
Electric energy.
According to the method for the present invention, include the steps that the voltage threshold selected under a pre-set current value, under current value
It can guarantee that the operation temperature of heating element 20 is higher than at least one in a variety of volatile compounds under this preset operation voltage
The minimum release temperature of kind discharges to prevent it from being formed in matrix from smog；And keep operation temperature proper
In range, prevent from being more than that certain high temperature causes aerosol to generate matrix 30 is gelatinized and volatile compound volatilization is unstable etc.
Deng.
The selection of voltage threshold under the above pre-set current value of the invention is based on the heating element 20 under the current value
Operation voltage can embody operation temperature.Specifically, the voltage value V=R × I, R at both ends are heating element when heating element 20 works
20 actual resistance, and I is to set known current value；Thus the voltage value V at 20 both ends of heating element takes under the current value
Certainly in the actual resistance R of heating element 20.And the material and shape of itself that actual resistance R depends on heating element 20 construct
And real time temperature, and indicated by following relationship: R=ρ (T) × L/S and ρ (T)=ρ0×(1+α1T+α2T2).And it is right
In the heating element 20 manufactured according to planform, length L and area of section S are fixed and can be detected,
Reference resistance rate ρ0It is fixed, and ρ (T) can be according to reference resistance rate ρ0With the multinomial coefficient α closed with temperature T-phase1And α2It pushes away
It calculates.Thus, the relational expression of the voltage at 20 both ends of heater element and temperature in known current value I can be obtained after deriving
Are as follows:
V=ρ0×(1+α1T+α2T2) × L × I/S, the variable in relational expression only have voltage V and temperature T.This relational expression,
It can carry out test for selected heating element 20 to obtain, for example it is 0.8 Europe that Fig. 2, which is the room temperature resistance value of a nichrome material,
Heating element 20, its voltage and temperature curve example when using continuous current as 4A.
Further, it is used in the present invention based on the control that matrix discharges volatile compound when heated is generated to aerosol
The above voltage threshold is calculated under maximum allowable operating temperature (M.A.O.T.) according to the operation temperature of selected heating element 20, the highest is grasped here
Make temperature under the minimum release temperature of at least one of volatile compound, to prevent it from generating base from the aerosol
It is discharged in matter；Noxious volatile compound volatilizees when therefore preventing from being more than the maximum allowable operating temperature (M.A.O.T.) during smoking.Meanwhile
It should be noted that generate matrix to the aerosols of different brands or matrix content, here needed for selected maximum allowable operating temperature (M.A.O.T.) then
It may be different, because different brands and the aerosol of content generate matrix, the ingredient of volatile compound may be not phase
With, therefore under different scenes, predefining the preset voltage threshold of heating element 20 can grasp according to different highests
Make corresponding calculate of temperature to obtain.
Certainly, to keep the relationship of this correlation more accurate, heating element 20 has using between resistance and temperature
The material of strong correlation, such as nichrome, dilval, ferrochrome；Using strong correlation by being heated under constant current operation
The voltage at 20 both ends of element has higher Stability and veracity come the practical operation temperature for deriving heating element 20.
Further, the heating element 20 of electric heating Smoke-generating System shown in figure 1 above generates matrix using through aerosol
Heating stylus/heating rod form at 30 centers, material can preferably use strong resistance temperature dependency material described above
Preparation.And in other embodiment party, material, which uses for the above material to be deposited on a rigid carrier materials, forms heating element
20, for example nickel coated is in ceramic base material formation heating element 20.Or in other implementations, using the above material system
The standby tubulose heating element with longitudinal accommodating chamber is also equally suitable heating element.
Further control method of the invention is further comprising the steps of: control power supply device 10 gives at least one heating element
20 supply electric energy make at least one heating element 20 generate heat, generate matrix 30 to heat aerosol, while preventing wherein harmful
At least one of volatile compound is released.The rate-determining steps may refer to shown in Fig. 3, comprising:
S10 detects electric current to the offer of heating element 20, which is constant current and current value is above preset
Current value；
S20 measures the voltage value at least one 20 both ends of heating element under the detection electric current；
The voltage value of measurement is compared by S30 with preset voltage threshold；
S40 adjusts the electric energy supplied at least one heating element 20, makes at least one heating element 20 in detection electric current
Under voltage value be maintained at preset voltage threshold or less.
The present invention uses a continuous current as detection electric current, is supplied to and adds above by when heating element 20 works
After thermal element 20 to its both ends carry out voltage value detection, and by the real-time voltage value at 20 both ends of heating element under the constant current with set
Fixed predetermined voltage threshold compares, and so that voltage is maintained at predetermined voltage threshold or less by the control of electric energy.Based on above pre-
If voltage threshold description, and guarantee that so that heating element 20 is in required working condition be associated；Therefore then logical
The electric energy that adjustment is supplied at least one heating element 20 is crossed, the voltage under detection electric current is made to be maintained at preset voltage threshold
The good control to 20 working condition of heating element can be realized within the scope of value.Also, the step of from above method and inherent machine
Reason is not related to the detection and conversion to temperature as can be seen that entire control and detection process, and only detects the voltage under constant current
Being worth and corresponding to adjustment output keeps voltage value to be in threshold value to the electric energy of heating element 20, and electric heating Smoke-generating System can be realized
The good control of working condition.
It should be noted that the voltage threshold of the predetermined heating element of the present invention, according to heating element work shape
The control of state needs, and the voltage threshold can be determining point value in most cases, then is able to achieve and works heating element 20
The more accurate control of state；And in more implement, the error or fluctuation that the process of control allows to have certain, therefore
Voltage threshold is expansible to be replaced in an interval range for being lower than the voltage threshold.
Certainly, above to be the known current value based on original start based on preset voltage threshold and carry out, therefore
The continuous current being also required to when selecting the voltage threshold of original preset in the detection process is identical, therefore makes in step slo
Current value when the current value size of the detection electric current provided to heating element 20 is the above setting voltage threshold.
Further, in order to enable above method implement when smooth, electric heating smoke shown in Fig. 1 embodiment of the present invention
System can by controller 40 hardware components add a constant flow module 41, for above detecting step S10~S20 into
The voltage that power supply device 10 exports is converted into constant current when row and is supplied to heating element 20.In an implementation, when electric heating smoke system
In the case that circuit structure load number and resistance value are controllable in system, the above constant flow module 41 may further be integrated in power supply dress
It sets on 10, power supply device 10 is carried out using constant-current supply, the electric current constant current for making it keep output to heating element 20.
Or in another preferred embodiment, other and heating element 20 are also contained based on electric heating Smoke-generating System
The hardware configurations such as control, the monitoring of series/parallel, therefore it is typically based on the optimum choice of electronic hardware structure, in a kind of embodiment party
Constant flow module 41 can be realized using a flow straightener (CCR) in formula, provided by the flow straightener and exported detection in control process
Electric current guarantees to maintain electric current invariable always.
Further, it is being examined by supplying heating element 20 adjustment of electric energy to change heating element 20 in step S40
Survey the both end voltage value under electric current；And the adjustment of electric energy here can pass through two modes:
A kind of mode is by adjusting the duty ratio of supply electric energy, when the 20 both end voltage value of heating element of measurement is lower than
When preset voltage threshold range, then the duty ratio of electric energy supply is promoted；And when 20 both end voltage value of the heating element of measurement is high
When preset voltage threshold range, then lower the duty ratio of electric energy supply.The adjustment of specific duty ratio can control when survey
When the voltage value of amount is greater than preset voltage threshold, control power supply 10, which interrupts, supplies the electric energy of at least one heating element 20；
When the voltage value of measurement is less than or equal to voltage threshold, control power supply 10 keeps supplying the electric energy of at least one heating element 20
It answers.
It is in another way by adjusting the voltage swing of supply electric energy, when 20 both end voltage of heating element of measurement
When value is lower than preset voltage threshold range, then the electricity for being supplied to 20 both ends of heating element is promoted using modes such as booster circuits
Pressure；When the 20 both end voltage value of heating element of measurement is higher than preset voltage threshold range, then drop using the side such as reduction voltage circuit
Formula reduces the voltage for being supplied to 20 both ends of heating element.
Heating element 20 during being aspirated according to the present invention accurately controls, above rate-determining steps S10~S20 with
Family is executed during aspirating with the frequency of 100~1000Hz.
Based on more than the present invention identical thinking, another control method step is also proposed in an implementation, comprising:
S10a, keeping the operating current of heating element 20 is continuous current；
S20a measures the operating voltage value at least one 20 both ends of heating element；
The voltage value of measurement is compared by S30a with preset voltage threshold range；
S40a adjusts the electric energy supplied at least one heating element 20, makes at least one heating element 20 in detection electricity
The voltage value flowed down is maintained at preset voltage threshold range or less.
In the variant embodiment, embodiment of above is compared, during aspirating electronic cigarette using user, by heating unit
Part 20 is maintained under continuous current and works, then the step of switching circuit provides detection electric current is not needed in control process, and it is straight
It connects the voltage value measured under the operating current and control is compared.In implementation, then needing will will be electric by constant flow module 41
The electric current that source device 10 exports is converted into exporting again after constant current, keeps entire control process more convenient.Also, in the control
The process that equally will test and control in journey is executed according to the frequency of 100~1000Hz.
Based on the releasing control method content of volatile compound in the above electric heating Smoke-generating System of the present invention, the present invention into
One step also proposes the electric heating Smoke-generating System of the realization above method, its structure is shown in Figure 4 in one embodiment；Include:
Controller 100, the constant current detection module 200 connecting with the controller 100 and electric energy adjust module 300；Wherein,
Constant current detection module 200, for the output voltage of power supply device 10 to be converted into constant current output to heating element 20,
And measure the operating voltage value at 20 both ends of heating element；
Electric energy adjusts module 300, for adjusting output to the electric energy of heating element 20；
Controller 100, the operating voltage value at 20 both ends of heating element for measuring constant current detection module 200 and default
Voltage threshold range is compared operation, and the output to heating element 20 of electric energy adjustment module 300 is controlled according to operation result
Electric energy.
Realization based on above functions, constant current detection module 200 and electric energy adjustment module 300 detailed circuit structure referring to
Shown in Fig. 5 and Fig. 6；Constant current detection module 200 includes a constant current converting unit 210 and voltage detection unit 220；Wherein,
Constant current converting unit 210 include a voltage-stablizer U1 and first resistor R1, voltage-stablizer U1 have input, output end and
Public connecting end；Wherein input terminal connect with power supply device 10, the connection of one end of output end and first resistor R1, public connecting end
It is connect with the other end of first resistor R1；Functionally, the output voltage of power supply device 10 by voltage-stablizer U1 be adjusted to constant pressure it
Afterwards, then by first resistor R1 constant current output is converted to heating element 20.
Further, in order to promote 210 current stabilization performance of constant current converting unit and accuracy effect, constant current converting unit 210 is also
Including first capacitor C1 and the second capacitor C2.Wherein,
The one end first capacitor C1 connect with the input terminal of voltage-stablizer U1, the public connecting end of the other end and voltage-stablizer U1 connect
It connects, for the voltage input to power supply device 10 is filtered；The output end of second one end capacitor C2 and voltage-stablizer U1 connect
It connects, the public connecting end connection of the other end and voltage-stablizer U1, for being filtered to the constant current of output.
Voltage detection unit 220 mainly includes an amplifier U2, and amplifier U2 has controlled end, test side and output
End, wherein test side is connect with heating element 20, output end by a second resistance R2 is connected to controller 100, for that will obtain
The voltage value of the heating element 20 taken feeds back to controller 100 and is compared operation.The controlled end of amplifier U2 passes through the one or three
Pole pipe Q1 is connect with a control pin of controller 100, so that controller 100 be made to pass through the on-off of the first triode Q1 of control
Control the work of entire voltage detection unit 220.
The structure that electric energy adjusts module 300 is shown in Figure 6, including a second triode Q2, second triode Q2
Used as switch, connection type be the emitter of the second triode Q2 connect with power supply device 10, base stage and controller 100
One control pin connection, collector and heating element 20 connect；Controller 100 by control the second triode Q2 switch come
Control the electric energy to output to heating element 20.
Based on the description of above each section, the whole principle of above-mentioned electric heating Smoke-generating System is as follows: the second triode Q2 quilt
The control of controller 100 exports control switch voltage-stablizer U1, the first resistor of electric energy as main power source device 10 to heating element 20
R1 and amplifier U2 forms constant current detection module 200, and the confession that the first triode Q1 is used as constant current detection module 200 is established by cable
It closes.
When device works, process is controlled essentially according to two courses of work of detection pattern and output mode, comprising:
S1, controller 100 close the second triode Q2, open the first triode Q1 and start constant current detection module 200, detection
The AB both end voltage value of heating element 20；
S2, the voltage value (i.e. Io_Ad signal in figure) that controller 100 is fed back by obtaining amplifier U2 output end, and with
The predetermined voltage threshold range of storage is compared；If it is less than voltage threshold range, then exporting high level signal makes the two or three
Pole pipe Q2 conducting makes the output of main power source device 10 power to heating element 20 and promotes heating temperature, simultaneously closes off the first triode
Q1；It if it is greater than voltage threshold range, exports low level signal and closes the second triode Q2, and continue to control constant current detection module
The AB both end voltage value of 200 detection heating elements 20, until voltage value is less than voltage threshold range.
Meanwhile the design of the above circuit structure according to the present invention, keep detection process and electric energy adjustment defeated by controller 100
Process is time-sharing multiplex out and non-concurrent progress, i.e. constant current detection module 200 make the output detection electric current of power supply 10 when working
Adjustment power supply 10 exports the process of electric energy to heating element 20 when process and electric energy adjustment module 300 work, and is to be alternately performed
Rather than it is performed simultaneously；And preferably made to detect according to above method frequency or the frequency that is alternately performed according to 100~1000Hz into
Row.On the one hand can promote to simplify hardware configuration, when on the other hand can be performed simultaneously to avoid the two relevant functional modules
It interferes with each other.
In embodiment of above, make output to heating element using being preferred constant current converting unit 210 i.e. flow straightener
20 electric current is constant current；In other implementations, it can also load and to accurately control possessed by entire circuit structure
Under situation, power supply device 10 can be exported using constant-current supply, then can simplify constant current converting unit on circuit structure
210。
Certainly, the switching function based on the above first triode Q1 and the second triode Q2, technical staff implement in can be with
Simply it is replaced with the progress of N-MOS pipe.
What the switch of the second triode Q2 based on embodiment of above embodied is most simplified electric energy adjustment module 300,
It adjusts power supply by the state of the second triode Q2 being turned on or off to export to the time of heating element 20, when the electricity of measurement
Pressure value disconnects the second triode Q2 when being higher than preset threshold reduce the output of power supply 10 to the electric energy of heating element 20, when the electricity of measurement
The second triode Q2 conducting increases the output of power supply 10 to the electric energy of heating element 20 when pressure value is lower than preset threshold, to guarantee to add
The voltage value of the amount of thermal element 20 is maintained at preset threshold, to control the temperature of heating element 20.Another more accurate
Mode in, can using electric energy adjustment module 300 include booster and reducing transformer, under constant current further by promoted or
The voltage that heating element 20 is powered is reduced, specifically, when the operating voltage measured is higher than predetermined voltage threshold, passes through reducing transformer
Power supply 10 is reduced to the supply voltage of heating element 20, to reduce its temperature；When the operating voltage measured is lower than default electricity
When pressing threshold value, power supply 10 is promoted to the supply voltage of heating element 20, to increase its temperature by booster；So as to change
Become the heating power of heating element 20, meets in preset temperature threshold so as to adjust its practical operation temperature.Meanwhile it is above
Booster and reducing transformer could alternatively be circuit module with the same function or software module.
In hardware design based on the above electric heating Smoke-generating System, control will be adjusted to 20 detection process of heating element and electric energy
The thinking that the process of system is alternately performed, the embodiment of the present invention also propose another control method step, comprising:
S10b controls power supply 10 to the offer of heating element 20 within the first period and detects electric current, which is perseverance
Stream and current value are the above preset current value；And measure the voltage at least one 20 both ends of heating element under the detection electric current
Value and the voltage value of measurement is compared with preset voltage threshold；
S20b adjusts the output of power supply 10 to the electric energy of at least one heating element 20 within the second period, makes at least one
Voltage value of the heating element 20 in the case where detecting electric current is maintained at preset voltage threshold；
Also, wherein power supply 10 provides to heating element 20 and detects electric current and output in above step S10b and step S20b
The step of electric energy, is alternately performed.
Meanwhile under the mode being alternately performed, the embodiment of the present invention also proposes another control method step, comprising:
S10c, keeping the operating current of heating element 20 is continuous current；
S20c, measures the operating voltage value at least one 20 both ends of heating element within the first period, and by the electricity of measurement
Pressure value is compared with preset voltage threshold range；
S30c adjusts the voltage that power supply 10 is supplied at least one heating element 20, so that at least one within the second period
The operating voltage of a heating element 20 is maintained at preset voltage threshold；
Wherein the detection process in the first period of step S20c and adjusted with electric energy in the second period of step S30c
Journey is alternately performed according to frequency described above.
The whole more multiple working conditions of heating element 20 detect mould in the structure of hardware based on the above electric heating Smoke-generating System
Block and electric energy supply adjustment, using above according to certain frequency alternate run by the way of, the embodiment of the present invention further also proposes
Another electric heating Smoke-generating System.It is on hardware configuration with above embodiments difference, it is shown in Figure 7, comprising:
Detection module 200a, for measuring the working condition of the heating element 20；
Electric energy adjusts module 300a, exports for adjusting power supply to the electric energy of heating element；
Controller 100a, for controlling the working condition of detection module 200a measurement heating element 20, and according to measurement
Working state control electric energy adjustment module 300a adjustment power supply is exported to the electric energy of heating element 20；
Certainly, description and conventional hardware connection mode based on above embodiments, detection module 200a include electricity input
End, voltage detection terminal, controlled end and signal output end；Wherein, electrical input connects to power supply, voltage detection terminal and heater element
20 connections, controlled end and signal output end are connect with control module 100a；
Electric energy, which adjusts module 300a, equally also has electrical energy inputs, electric energy output end and controlled end；Wherein, electric energy inputs
End connects to power supply, and electric energy output end is connect with heating element 20, and controlled end is connect with controller 100a；
Wherein, this detection module 200a and electric energy adjustment module 300a run under the control of controller 100a execute respectively
Respective function, and be configured as according to certain frequency alternate run.
Detection module 200a is detected and in more extensions of above voltage detecting implementation, in the embodiment adds
The working condition of thermal element 20 may include operating voltage value, working current value, real time resistance value, real time resistance rate coefficient or behaviour
Make at least one of temperature.
And also according to identical mode, respectively to detection module 200a and electric energy adjustment module 300a with the one or three pole
Pipe Q1 and the identical switch of the second triode Q2 respectively hand over the first triode Q1 and the second triode Q2 according to certain frequency
For conducting, and then realizes and will test both module 200a and electric energy adjustment module 300a according to certain frequency alternate run.
On the one hand can promote to simplify hardware configuration, it is mutual when on the other hand can be performed simultaneously to avoid the two relevant functional modules
Interference.
On the basis of embodiment of above of the present invention, present invention further propose that electric heating Smoke-generating System.Meanwhile in conjunction with
The common content of product, used aerosol generate matrix 30 preferably using the volatile compound discharged from matrix when heating
Material containing tobacco；Or it is also possible to be suitable for the non-tobacco material of electric heating Smoke-generating System after capable of heating.Aerosol is raw
Solid matrix is preferably used at matrix 30, may include one of vanilla leaf, tobacco leaf, filamentary tobacco, expanding tobacco or a variety of
One of powder, particle, fragment slice, band or thin slice or a variety of；Alternatively, solid matrix may include additional tobacco
Or non-tobacco volatile flavor compounds, to be released when matrix is heated.
Or in other implementations, aerosol, which generates matrix 30, can also use fluid matrix, and fluid matrix is contained
It in a storage chamber, and is absorbed into porous material, porous material can be by being arbitrarily suitble to absorb the foam of fluid matrix
Metal, porous ceramics, cellucotton, glass, polypropylene etc., fluid matrix can remain among porous material before the use.
Preferably, when using fluid matrix, electric heating Smoke-generating System can also include can be suitable for tobacco tar matrix have at least one
The atomizer of a heating element, atomizer have the shoe cream room for accommodating fluid matrix and draw fluid matrix and heated
The atomizing component of atomization.
Meanwhile the quantity of at least one heating element 20 of electric heating Smoke-generating System can length according to cigarette, smoke
Amount etc. demands carry out adaptability use, and be suitably arranged such that effectively heat aerosol generation matrix 30 formed it is good
The release of volatile compound and heating element 20 generate the side that matrix 30 heats using being inserted directly into aerosol in Fig. 1 implementation
Formula can heat aerosol in such a way that heat conducts in other variation patterns and generate matrix 30.Specifically make heating unit
Part 20 at least partly contacts aerosol and generates matrix 30, or can deposit the carrier that aerosol generates matrix 30 on it；As
Alternatively the heat transfer of heating element 20 can also be generated into matrix 30 to aerosol by heat conducting element.
It should be noted that specification of the invention and its a better embodiment of the invention is given in the attached drawing, but simultaneously
It is not limited to this specification described embodiment, it further, for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (11)
1. the releasing control method of volatile compound in a kind of electric heating Smoke-generating System, the electric heating Smoke-generating System includes electricity
Source, at least one connecting with the power supply are used to heat the heating element that aerosol generates matrix；Wherein, the aerosol generates matrix
A variety of volatile compounds are discharged when heated；It is characterized in that, which comprises
Control power supply is supplied to the electric energy of at least one heating element, to prevent at least one volatile compound from described
Aerosol generates to be discharged in matrix, and the rate-determining steps include:
A constant detection electric current is provided at least one described heating element；
Measure the voltage value of at least one heating element under the detection electric current；
The voltage value of the measurement is compared with preset voltage threshold；And
The electric energy supplied at least one described heating element is adjusted, makes at least one described heating element in the detection electric current
Under voltage value be maintained at preset voltage threshold or less.
2. the releasing control method of volatile compound in electric heating Smoke-generating System as described in claim 1, which is characterized in that
Control power supply is supplied to the electric energy of at least one heating element, prevent at least one volatile compound release steps it
Before, further includes:
Predefine at least one described heating element corresponding voltage threshold under the current value of the detection electric current.
3. the releasing control method of volatile compound in electric heating Smoke-generating System as claimed in claim 2, which is characterized in that
Predefining at least one described heating element corresponding voltage threshold under the current value of the detection electric current includes:
According to the scheduled maximum allowable operating temperature (M.A.O.T.) value of at least one heating element, at least one described heating element pair is calculated
Answer the resistance value of maximum allowable operating temperature (M.A.O.T.) value；Wherein, the scheduled maximum allowable operating temperature (M.A.O.T.) value is at least one in volatile compound
Under the minimum release temperature of kind；
The resistance value of maximum allowable operating temperature (M.A.O.T.) value and the current value of the detection electric current are corresponded to according at least one described heating element,
Calculate the corresponding voltage threshold under the current value of the detection electric current.
4. the releasing control method of volatile compound in electric heating Smoke-generating System as described in any one of claims 1 to 3,
It is characterized in that, the electric energy that adjustment is supplied at least one described heating element makes at least one described heating element in the inspection
The voltage value surveyed under electric current is maintained at the step of preset voltage threshold or less
It adjusts to the duty ratio of at least one described heating element supply electric energy, so that at least one described heating element is described
Voltage value under detection electric current is maintained at preset voltage threshold or less.
5. the releasing control method of volatile compound in electric heating Smoke-generating System as claimed in claim 4, which is characterized in that
When the voltage value of measurement is greater than the voltage threshold, control power interruptions supply the electric energy of at least one heating element
It answers；When the voltage value of measurement is less than or equal to the voltage threshold, control power supply is kept at least one described heating element
Electric energy supply.
6. the releasing control method of volatile compound in electric heating Smoke-generating System as described in any one of claims 1 to 3,
It is characterized in that, the electric energy that adjustment is supplied at least one described heating element makes at least one described heating element in the inspection
The voltage value surveyed under electric current is maintained at the step of preset voltage threshold or less
The voltage value size for regulating supply at least one heating element supply electric energy, so that at least one described heating unit
Voltage value of the part under the detection electric current is maintained at preset voltage threshold or less.
7. the releasing control method of volatile compound in electric heating Smoke-generating System as claimed in claim 6, which is characterized in that
The voltage value size for regulating supply at least one heating element supply electric energy, makes at least one described heating element in institute
The voltage value stated under detection electric current is maintained within the scope of preset voltage threshold one below, comprising:
When the voltage value of the measurement is greater than the upper limit of the range, reduces and supply electric energy at least one described heating element
Voltage；
When the voltage value of the measurement is less than the lower limit of the range, increases and supply electric energy at least one described heating element
Voltage.
8. such as the releasing control method of volatile compound in the described in any item electric heating Smoke-generating Systems of Claims 1-4,
It is characterized in that, control power supply intermittently provides a constant detection electric current at least one heating element and measures described at least one
Voltage value of a heating element under the detection electric current, and the rate-determining steps are executed with the frequency of 100~1000Hz.
9. the releasing control method of volatile compound in a kind of electric heating Smoke-generating System, the electric heating Smoke-generating System includes electricity
Source, at least one connecting with the power supply are used to heat the heating element that aerosol generates matrix；Wherein, the aerosol generates matrix
A variety of volatile compounds are discharged when heated；It is characterized in that, which comprises
The operating current of at least one heating element is kept to be continuously constant current；
Control power supply is supplied to the voltage of at least one heating element, to prevent at least one volatile compound from described
Aerosol generates to be discharged in matrix；The rate-determining steps include:
Measure the operating voltage value of at least one heating element；
The operating voltage value of the measurement is compared with preset voltage threshold；And
The voltage supplied at least one described heating element is adjusted, so that the operating voltage of at least one heating element is protected
It holds below preset voltage threshold.
10. the releasing control method of volatile compound in a kind of electric heating Smoke-generating System, the electric heating Smoke-generating System include
Power supply, at least one connecting with the power supply are used to heat the heating element that aerosol generates matrix；Wherein, the aerosol generates base
Matter discharges a variety of volatile compounds when heated；It is characterized in that, which comprises
Control power supply is supplied to the electric energy of at least one heating element, to prevent at least one volatile compound from described
Aerosol generates to be discharged in matrix, and the rate-determining steps include:
Power supply is controlled within the first period and provides a constant current at least one described heating element, and measures described at least one
Voltage value of a heating element under the detection electric current；The voltage value of the measurement is compared with preset voltage threshold；
And
Power supply is adjusted within the second period to export to the electric energy of at least one heating element, makes at least one described heating unit
Voltage value of the part under the detection electric current is maintained at preset voltage threshold or less；
Rate-determining steps in first period and in the second period are alternately performed according to certain frequency.
11. a kind of electric heating Smoke-generating System, at least one use that the electric heating Smoke-generating System includes power supply, connect with the power supply
The heating element of matrix is generated in heating aerosol；Wherein, the aerosol generation matrix discharges a variety of volatility chemical combination when heated
Object；It is characterized in that, the electric heating Smoke-generating System further include:
Constant current detection module is exported for providing constant current to heating element, and measures the heating element in the constant electricity
Flow down the voltage value at both ends；
Electric energy adjusts module, exports for adjusting the power supply to the electric energy of heating element；
Control module for the voltage value of the measurement to be compared with predetermined voltage threshold, and is controlled according to comparison result
The electric energy adjustment module adjusts the power supply and exports to the electric energy of heating element, makes at least one described heating element described
Voltage value under constant current is maintained at preset voltage threshold or less.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910263891.2A CN110122927A (en) | 2019-04-03 | 2019-04-03 | The releasing control method of electric heating Smoke-generating System and volatile compound |
| EP20782634.8A EP3949773A4 (en) | 2019-04-03 | 2020-04-02 | Electric heating smoking system and release control method for volatile compound |
| JP2021557724A JP2022527926A (en) | 2019-04-03 | 2020-04-02 | Electric heating smoke generation system and emission control method of volatile compounds |
| PCT/CN2020/082942 WO2020200271A1 (en) | 2019-04-03 | 2020-04-02 | Electric heating smoking system and release control method for volatile compound |
| KR1020217034565A KR20210140759A (en) | 2019-04-03 | 2020-04-02 | Electrically heated fuming systems and methods for controlling the emission of volatile compounds |
| US17/601,427 US20220192273A1 (en) | 2019-04-03 | 2020-04-02 | Electric heating smoking system and release control method for volatile compound |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201910263891.2A CN110122927A (en) | 2019-04-03 | 2019-04-03 | The releasing control method of electric heating Smoke-generating System and volatile compound |
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| CN110122927A true CN110122927A (en) | 2019-08-16 |
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| CN201910263891.2A Pending CN110122927A (en) | 2019-04-03 | 2019-04-03 | The releasing control method of electric heating Smoke-generating System and volatile compound |
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