WO2022061743A1 - 一种电池杆、雾化器以及电子雾化装置 - Google Patents

一种电池杆、雾化器以及电子雾化装置 Download PDF

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Publication number
WO2022061743A1
WO2022061743A1 PCT/CN2020/117847 CN2020117847W WO2022061743A1 WO 2022061743 A1 WO2022061743 A1 WO 2022061743A1 CN 2020117847 W CN2020117847 W CN 2020117847W WO 2022061743 A1 WO2022061743 A1 WO 2022061743A1
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WIPO (PCT)
Prior art keywords
level signal
atomizer
voltage
signal
switch
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PCT/CN2020/117847
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English (en)
French (fr)
Inventor
赵伯松
董文杰
方伟明
Original Assignee
深圳麦克韦尔科技有限公司
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Application filed by 深圳麦克韦尔科技有限公司 filed Critical 深圳麦克韦尔科技有限公司
Priority to PCT/CN2020/117847 priority Critical patent/WO2022061743A1/zh
Priority to EP20954595.3A priority patent/EP4218453B1/en
Publication of WO2022061743A1 publication Critical patent/WO2022061743A1/zh
Priority to US18/188,386 priority patent/US20230217996A1/en

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/50—Control or monitoring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the technical field of atomization, and in particular, to a battery rod, an atomizer and an electronic atomization device.
  • Some existing electronic atomization devices with encryption function use a circuit board in the atomizer of the electronic atomization device, and a controller MCU, a capacitor and a switch MOS tube are set on the circuit board to realize the encryption function. , wherein the capacitor is used to supply power to the controller, and the controller implements communication with the battery pole by controlling the turn-off and conduction of the MOS tube, that is, returning data 1 and 0 to the battery pole.
  • the existing electronic atomization devices generally require high-power MOS tubes and/or large-capacity capacitors to work normally, and high-power MOS tubes and large-capacity capacitors are often large in size , which will significantly increase the area of the circuit board, which will limit the application of the encryption function to small-sized pods.
  • the present application provides a battery rod, an atomizer and an electronic atomization device, which can reduce the power of a control switch in the atomizer, thereby reducing the size of the circuit board of the atomizer and reducing costs.
  • the first technical solution provided by this application is to provide a battery rod, including: a first connection end and a second connection end for connecting with an atomizer inserted into the battery rod; a control chip, Connect the first connection end to send the first communication signal to the atomizer inserted into the battery rod through the first connection end, and receive the second communication signal from the atomizer, so as to realize the communication between the battery rod and the atomizer; wherein , the first communication signal includes a first level signal as a logic high level and a second level signal as a logic low level; the second communication signal includes a third level signal as a logic high level and a logic low level level of the fourth level signal, and the voltage difference between the first level signal and the second level signal is greater than the voltage difference between the third level signal and the fourth level signal.
  • the battery rod further includes: a battery cell for providing battery voltage; a first switch, including a first channel end, a second channel end and a control end, wherein the first channel end of the first switch is connected to the battery cell, and the first channel end
  • the two-way terminal is connected to the first connection terminal; wherein, the control chip includes a power control pin, and the power control pin is connected to the control terminal of the first switch to control the conduction of the first switch; when the first switch is turned on, the battery voltage borrows When the first switch is turned on, the first level signal is output at the first connection end; and when the first switch is turned off, the battery rod outputs a second level signal at the first connection end, so as to send the fog to the fog through the first connection end.
  • the tuner sends the first communication signal.
  • control chip further includes: a detection pin, connected to the first connection end, to detect the voltage on the first connection end; wherein, the control chip identifies and determines the second communication signal according to the voltage detected by the detection pin .
  • the first switch when the battery rod receives the second communication signal from the atomizer, the first switch is turned on so that the battery voltage outputs the first level signal at the first connection end through the turned-on first switch; when the atomizer When working in the first state, the voltage on the first connection terminal is maintained at the first level signal, the detection pin detects the third level signal in the second communication signal, and the third level signal is equal to the first level signal. Level signal; when the atomizer works in the second state, the voltage on the first connection terminal is pulled down to the fourth level signal, and the detection pin detects the fourth level signal in the second communication signal, And the fourth level signal is larger than the second level signal and smaller than the first level signal.
  • the difference between the voltage on the first connection terminal when the atomizer works in the first state and the voltage on the first connection terminal when the atomizer works in the second state is in the range (0, 1.2)
  • the battery rod further includes: a current limiting circuit, connected to the first connection end, to output a third level signal at the first connection end when receiving the second communication signal from the atomizer; when the atomizer works at the first connection end In the state, the voltage on the first connection terminal is maintained at the third level signal, the detection pin detects the third level signal in the second communication signal, and the third level signal is greater than the second level signal and is less than the first level signal; when the atomizer works in the second state, the voltage on the first connection terminal is pulled down to the fourth level signal, and the detection pin detects the fourth level signal in the second communication signal. level signal, and the fourth level signal is equal to the second level signal.
  • the current limiting circuit includes: a second switch, including a first channel terminal, a second channel terminal and a control terminal, wherein the first channel terminal of the second switch is connected to the battery cell to receive the battery voltage; the current limiting resistor is set at the first channel terminal Between the second channel terminal of the two switches and the first connection terminal; wherein, the control chip further includes a current-limiting control pin, and the current-limiting control pin is connected to the control terminal of the second switch to control the conduction of the second switch, when the battery When the rod receives the second communication signal from the atomizer, the control chip controls the second switch to conduct through the current limiting control pin, so as to output the third level signal at the first connection end.
  • control chip further includes: a signal sampling circuit, connected to the detection pin, and receiving a reference voltage, so as to identify and determine the second communication signal according to the reference voltage.
  • control chip further includes a reference voltage pin for receiving the reference voltage
  • battery rod further includes: a reference voltage supply circuit, which is arranged between the reference voltage pin and the first connection terminal, so as to utilize the first connection terminal
  • the reference voltage is generated by the third level signal, wherein the reference voltage is smaller than the third level signal and greater than the fourth level signal.
  • the second technical solution provided by the present application is to provide an atomizer, including: a first connection end and a second connection end for connecting with the battery rod when the battery rod is inserted; a processing chip , connect the first connection end to receive the first communication signal from the battery rod through the first connection end, and send the second communication signal to the battery rod, so as to realize the communication between the battery rod and the atomizer; wherein, the first communication signal It includes a first level signal as a logic high level and a second level signal as a logic low level; the second communication signal includes a third level signal as a logic high level and a fourth level signal as a logic low level level signal, and the voltage difference between the first level signal and the second level signal is greater than the voltage difference between the third level signal and the fourth level signal.
  • the atomizer further comprises: a heating element; a control switch and a controllable resistance, wherein the control switch and the controllable resistance are connected in series and connected in parallel with the heating element between the first connection end and the second connection end, and the control switch Receive the control signal of the processing chip to be in the on state or the off state; wherein, when the control switch is in the off state, the atomizer works in the first state, and the voltage on the first connection terminal is maintained at the third level signal, And the third level signal is equal to the first level signal; when the control switch is in the on state, the atomizer works in the second state, and the voltage on the first connection terminal is pulled down to the fourth level signal, the fourth The level signal is larger than the second level signal and smaller than the first level signal.
  • the atomizer further comprises: a heating element; a control switch and a controllable resistance, wherein the control switch and the controllable resistance are connected in series and connected in parallel with the heating element between the first connection end and the second connection end, and the control switch Receive the control signal of the processing chip to be in the on state or the off state; wherein, when the control switch is in the off state, the atomizer works in the first state, and the voltage on the first connection terminal is maintained at the third level signal, And the third level signal is equal to the first level signal; when the control switch is in the on state, the atomizer works in the second state, and the voltage on the first connection terminal is pulled down to the fourth level signal, the fourth The level signal is larger than the second level signal and smaller than the first level signal.
  • the third technical solution provided by the present application is to provide an electronic atomization device, comprising: a battery rod, the battery rod includes any one of the above battery rods; an atomizer, the atomizer includes the above Any nebulizer.
  • the battery rod, atomizer and electronic atomization device provided by the present application, when performing communication identification, the first level signal sent by the battery rod to the atomizer is the same as the second level signal sent by the battery rod to the atomizer.
  • the voltage difference between the level signals is greater than the voltage difference between the third level signal and the fourth level signal fed back by the atomizer to the battery rod, so that the power of the control switch in the atomizer can be reduced, thereby reducing fog
  • the size of the circuit board of the rectifier reduces the cost.
  • FIG. 1 is a schematic diagram of functional modules of a first embodiment of a battery pole of the present application
  • FIG. 2 is a schematic structural diagram of a specific embodiment of the battery rod shown in FIG. 1;
  • FIG. 3 is a schematic structural diagram of the first embodiment of the atomizer of the application.
  • FIG. 4 is a schematic structural diagram of an embodiment of an electronic atomization device formed by inserting the atomizer shown in FIG. 3 into the battery rod shown in FIG. 2 ;
  • Fig. 5 is the waveform sequence diagram when the electronic atomization device shown in Fig. 4 performs communication identification
  • FIG. 6 is a schematic diagram of functional modules of the second embodiment of the battery pole of the present application.
  • FIG. 7 is a schematic structural diagram of a specific embodiment of the battery rod shown in FIG. 6;
  • FIG. 8 is a schematic structural diagram of the second embodiment of the atomizer of the present application.
  • FIG. 9 is a schematic structural diagram of an embodiment of an electronic atomization device formed by inserting the atomizer shown in FIG. 8 into the battery rod shown in FIG. 7 ;
  • FIG. 10 is a waveform timing diagram when the electronic atomizer device shown in FIG. 9 performs communication identification.
  • the battery rod 10 includes a first connection end n1 and a second connection end n2 for connecting with the atomizer inserted into the battery rod 10 .
  • the battery rod 10 further includes a control chip 11, the control chip 11 is connected to the first connection terminal n1, so as to send a first communication signal to the atomizer inserted into the battery rod 10 through the first connection terminal n1, and receive a second communication signal from the atomizer.
  • the communication signal is used to realize the communication between the battery rod 10 and the atomizer, and the second connection end n2 is grounded.
  • the control chip 11 includes a power control pin P1.
  • the first communication signal includes a first level signal x1 as a logic high level and a second level signal x2 as a logic low level; the second communication signal includes a logic high level signal x2
  • the third level signal x3 and the fourth level signal x4 which is a logic low level.
  • the voltage value of the first level signal x1 is V2
  • the voltage value of the second level signal x2 is V0
  • the voltage value of the third level signal x3 is V2
  • the fourth level signal The voltage value of x4 is V1.
  • the voltage difference (V2-V0) between the voltage value V2 of the first level signal x1 and the voltage value V0 of the second level signal x2 is greater than the voltage value V2 of the third level signal x3 and the fourth level signal
  • the battery rod 10 further includes a battery cell 12 and a first switch 13.
  • the battery cell 12 is used to provide the battery voltage Vbat.
  • the first switch 13 When the first switch 13 is turned on, the battery voltage Vbat is reduced by the turned on of the first switch 13.
  • a first level signal x1 is output at the first connection terminal n1; and when the first switch 13 is turned off, the battery rod 10 outputs a second level signal x2 at the first connection terminal n1, so as to transmit to the atomizer through the first connection terminal n1
  • the device sends the first communication signal. Specifically, when the first level signal x1 is output, the data "1" is sent, and when the second level signal x2 is output, the data "0" is sent.
  • the first switch 13 includes a first switch Q1, and the first switch Q1 includes a first channel terminal, a second channel terminal and a control terminal, wherein the first channel terminal of the first switch Q1 is connected to the electrical
  • the core 12 is connected to the second channel end, the first connection end n1 is connected, and the control end of the first switch Q1 is connected to the power control pin P1, specifically.
  • the power control pin P1 is used to control the turn-on or turn-off of the first switch Q1.
  • control chip 11 further includes a detection pin P2 and a reference voltage pin P3, the detection pin P2 is connected to the first connection terminal n1 to detect the voltage on the first connection terminal n1. Specifically, the control chip 11 identifies and determines the second communication signal according to the voltage detected by the detection pin P2, and further determines that the data received by the battery rod 10 is "1" or "0".
  • control chip 1 further includes: a signal sampling circuit 14, the signal sampling circuit 14 is connected to the detection pin P2 to detect and obtain the voltage fed back by the atomizer to the first connection terminal n1 through the detection pin P2, and the signal The sampling circuit 14 is also connected to the reference voltage pin P3 to receive the reference voltage Vref, so as to identify and determine that the voltage fed back by the atomizer to the first connection terminal n1 is the third level signal x3 or the fourth level according to the reference voltage Vref Signal x4.
  • the battery pole 10 further includes: a reference voltage supply circuit 15, the reference voltage supply circuit 15 is arranged between the reference voltage pin P3 and the first connection terminal n1, that is, the reference voltage supply circuit 15 is connected between the reference voltage pin P3 and the first connection terminal n1. Between a connection terminal n1, a reference voltage Vref is generated by using the third level signal x3 on the first connection terminal n1, wherein the reference voltage Vref is smaller than the voltage value of the third level signal x3 or the first level signal x1 V2 is greater than the voltage value V1 of the fourth level signal x4.
  • the signal sampling circuit 14 includes a comparator 141.
  • the comparator 141 includes a first input terminal, a second input terminal and an output terminal.
  • the first input terminal is connected to the detection pin P2 for detecting The atomizer feeds back the voltage on the first connection terminal n1;
  • the second input terminal is connected to the reference voltage pin P3 to receive the reference voltage Vref;
  • the output terminal is connected to the pin P4 of the control chip to output the identified second communication signal corresponding result.
  • the comparator 141 may also be an analog-to-digital converter, an operational amplifier, or an amplifying circuit formed by a triode, a MOS transistor, or the like.
  • the signal sampling circuit 14 can also be set outside the control chip 11, which recognizes and determines that the voltage fed back by the atomizer to the first connection terminal n1 is the third level signal x3 or the fourth level After the signal x4, the feedback result is transmitted to the control chip 11 for further processing by the control chip 11.
  • the reference voltage providing circuit 15 includes: a third switch Q3, a first resistor R1, a second resistor R2 and a first capacitor C1.
  • the third switch Q3 includes a first channel terminal, a second channel terminal and a control terminal, the first channel terminal of the third switch Q3 is connected to the first connection terminal n1, and the control terminal is connected to the pin P5 of the control chip 11, and the control chip 11
  • the pin P5 controls the turn-on and turn-off of the third switch Q3.
  • the first end of the second resistor R2 is connected to the second pass end of the third switch Q3.
  • the first end of the first resistor R1 is connected to the second end of the second resistor R2, and the second end of the first resistor R1 is grounded.
  • the first end of the first capacitor C1 is connected to the first end of the second resistor R2, and the second end of the first capacitor C1 is grounded.
  • the voltage on the first connection terminal n1 is maintained at the first level signal x1, and the detection pin P2 detects the third signal in the second communication signal.
  • the level signal x3, that is, the battery pole 10 obtains data "1”
  • the voltage value of the third level signal x3 is equal to the voltage value of the first level signal x1, that is, the voltage value V2.
  • the voltage on the first connection terminal n1 is pulled down from the first level signal x1 to the fourth level signal x4, and the detection pin P2 detects the second communication signal
  • the fourth level signal x4 that is, the battery pole 10 obtains data “0”
  • the voltage value V1 of the fourth level signal x4 is greater than the voltage value V0 of the second level signal x2 and less than the first level signal x1.
  • FIG. 3 is a schematic structural diagram of the atomizer according to the first embodiment of the present application.
  • the atomizer 20 includes a first connection end m1 and a second connection end m2 for connecting with the first connection end n1 and the second connection end n2 of the battery rod 10 when the battery rod 10 is inserted.
  • the atomizer 20 includes a processing chip 21, and the processing chip 21 is connected to the first connection terminal m1, so as to receive the first communication signal from the battery rod 10 through the first connection terminal m1, and send the second communication signal to the battery rod 10, thereby Realize the communication between the battery rod 10 and the atomizer 20;
  • the first communication signal includes a first level signal x1 as a logic high level and a second level signal x2 as a logic low level; the second communication signal includes a logic high level signal x2
  • the third level signal x3 and the fourth level signal x4 which is a logic low level.
  • the voltage value of the first level signal x1 is V2
  • the voltage value of the second level signal x2 is V0
  • the voltage value of the third level signal x3 is V2
  • the fourth level signal The voltage value of x4 is V1.
  • the voltage difference (V2-V0) between the voltage value V2 of the first level signal x1 and the voltage value V0 of the second level signal x2 is greater than the voltage value V2 of the third level signal x3 and the fourth level signal
  • the atomizer 20 further includes: a heating element L, a control switch M and a controllable resistance R.
  • the control switch M and the controllable resistor R are connected in series, and are connected in parallel with the heating element L between the first connection terminal m1 and the second connection terminal m2, and the control switch M receives the control signal from the processing chip 21 to be in an on state or cut-off state.
  • the control switch M when the control switch M is in the off state, the atomizer 20 works in the first state, and the voltage of m1 on the first connection terminal is maintained at the third level signal x3, and the voltage value of the third level signal x3 is equal to The voltage value of the first level signal x1, that is, the voltage value V2.
  • the atomizer 20 works in the second state, and the voltage on the first connection terminal m1 is pulled down from the voltage value V2 corresponding to the first level signal x1 to the fourth level signal
  • the voltage value V1 of the fourth level signal x4 is greater than the voltage value V0 of the second level signal x2 and less than the voltage value V2 of the first level signal x1, as shown in FIG. 5 .
  • control switch M includes a first channel terminal, a second channel terminal and a control terminal, and the control terminal of the control switch M is connected to the pin P6 of the processing chip 21 for receiving the driving signal and being in an on state or off according to the driving signal state, the second end of the controllable resistor R is connected to the first channel end of the control switch M, the first end of the controllable resistor R is connected to the first end of the heating element L, and the second end of the heating element L is connected to the first end of the control switch M.
  • the atomizer 20 further includes a diode D, the cathode of the diode D is connected to the voltage pin VDD of the processing chip 21 , and the anode of the diode D is connected to the pin P7 of the processing chip 21 .
  • the diode D may also be a MOSFET, a triode, or the like.
  • the atomizer 20 further includes a capacitor C, the first end of the capacitor C is connected to the cathode of the diode D, and the second end of the capacitor C is connected to the second connection terminal m2.
  • the voltage value V2 of the first level signal x1 ranges from VDD to Vbat, wherein VDD is the minimum operating voltage of the processing chip 21 , and Vbat is the battery voltage.
  • VDD is the minimum operating voltage of the processing chip 21
  • Vbat is the battery voltage.
  • the voltage value V1 of the fourth level signal x4 ranges from VDD to Vbat
  • the voltage value V0 of the second level signal x2 ranges from 0 to 0.3*VDD
  • the voltage value V2 of the first level signal x1 > The voltage value V1 of the fourth level signal x4>the voltage value V0 of the second level signal x2, wherein VDD (voltage at which the processing chip 21 can work normally) ⁇ Vbat (battery voltage).
  • the voltage value V1 of the fourth level signal x4 is always greater than the minimum operating voltage VDD of the processing chip 21 , which can supply power to the processing chip 21 , thereby reducing the capacitance C of the processing chip 21 Even eliminated, the size and cost of the circuit board of the atomizer 20 is reduced. Further, the control switch M, the controllable resistor R, the diode D, and the capacitor C can be integrated into the processing chip 21 to further reduce the cost.
  • the atomizer 20 works in the first state, and the voltage on the first connection terminal m1 is maintained at the third level signal x3, and the third level signal x3 is equal to the first voltage Flat signal x1.
  • the control switch M is in the conducting state, the atomizer 20 operates in the second state, and the voltage on the first connection terminal m1 is pulled down to the fourth level signal x4, and the voltage value V1 of the fourth level signal x4 is greater than The voltage value V0 of the second level signal x2 is smaller than the voltage value V2 of the first level signal x1.
  • FIG. 4 is a schematic structural diagram of an embodiment of the electronic atomization device formed by inserting the atomizer shown in FIG. 3 into the battery rod shown in FIG. 2 .
  • the atomizer 20 is inserted into the battery rod 10 to form an electronic atomization device. Specifically, when the atomizer 20 is inserted into the battery rod 10, the first connection end m1 of the atomizer 20 is connected to the first connection end n1 of the battery rod 10, and the second connection end m2 of the atomizer 20 is connected to the battery The second connecting end n2 of the rod 10 .
  • the first connection end m1 of the atomizer 20 when the atomizer 20 is inserted into the battery rod 10, the first connection end m1 of the atomizer 20 can be connected to the second connection end n2 of the battery rod 10, and the second connection end of the atomizer 20 The connection end m2 is connected to the first connection end n1 of the battery rod 10 .
  • the first connection end m1 of the atomizer 20 is connected to the first connection end n1 of the battery rod 10
  • the second connection end m2 of the atomizer 20 is connected to the second connection end n2 of the battery rod 10 .
  • FIG. 5 is a timing waveform diagram of the communication between the battery rod and the atomizer in the electronic atomizer device shown in FIG. 4 .
  • the battery rod 10 sends a first communication signal to the atomizer 20 .
  • the power control pin P1 of the battery rod 10 controls the first switch Q1 to be turned on, and the battery cell 12 outputs the first level signal x1 at the first connection terminal n1 through the turned-on first switch Q1 (that is, sending data " 1”), or, the power control pin P1 of the battery rod 10 controls the first switch Q1 to be turned off, and the battery cell 12 outputs the second level signal x2 at the first connection terminal n1 through the turned off first switch Q1 (ie, sending data "0").
  • the atomizer 20 After the atomizer 20 receives the first communication signal, it sends the second communication signal to the battery rod 10. Specifically, the third level signal x3 or the fourth level signal x3 or the fourth level signal x3 or the fourth level signal is provided by the controllable resistance R being turned on or off. Level signal x4 to battery pole 10.
  • the atomizer 20 works in the first state.
  • the voltage on the first connection terminal m1 is maintained at the first level signal x1. Since the voltage value of the third level signal x3 is equal to the voltage value of the first level signal x1, That is, the voltage value V2, so the detection pin P2 detects the third level signal x3 in the second communication signal, so that the battery rod 10 obtains the data “1” fed back by the atomizer 20 .
  • the atomizer 20 works in the second state.
  • the voltage on the first connection terminal m1 is pulled down to the fourth level signal x4, and the voltage value V1 of the fourth level signal x4 is greater than the voltage of the second level signal x2
  • the value V0 is smaller than the voltage value V2 of the first level signal x1, so that the battery rod 10 obtains the data “0” fed back by the atomizer 20 .
  • the internal resistance of the battery cell 12 and the internal resistance of the first switch Q1 and the controllable resistance R form a voltage divider circuit, which further divides the first level on the first connection terminal m1
  • the signal x1 is pulled down to the fourth level signal x4, so the battery rod 10 acquires data "0".
  • the comparator 141 is used to compare the third level signal x3 or the fourth level signal x4 with the third level signal x3 or the fourth level signal x4
  • the reference voltage Vref is compared to determine whether the received data is "1" or "0".
  • the voltage value of the reference voltage Vref is greater than the voltage value V1 of the fourth level signal x4 and less than the voltage value V2 of the first level signal x1 or the third level signal x3.
  • the detection pin P2 detects the third level signal x3, that is, the battery rod 10 receives data "1";
  • the detection pin P2 detects the fourth level signal x4, that is, the battery pole 10 receives the data "0".
  • the voltage of the reference voltage Vref can be obtained directly from the first level signal x1 applied to the heating element L.
  • the third switch Q3 is turned off, which can keep the The stabilization of the reference voltage Vref for a period of time.
  • the voltage of the reference voltage Vref may also be obtained from the digital-to-analog converter of the control chip 11, or may also be obtained from the battery voltage Vbat, which is not specifically limited.
  • the voltage on the first connection terminal n1 (Vbat*Rh/(Re+Rh)) is the same as when the atomizer 20 works in the second state.
  • the difference between the voltages at the terminals (Vbat*Rp/(Re+Rp)), in the range (0, 1.2). That is:
  • Vbat is the battery voltage
  • Re is the sum of the internal resistance of the battery cell 12 and the internal resistance of the first switch Q1 when the first switch Q1 is turned on
  • Rh is the resistance of the heating element L
  • Rp is the parallel resistance of the controllable resistance R and the heating element L.
  • the resistance range of the controllable resistor R can be determined by the above formula.
  • the controllable resistance R is set in the atomizer 20
  • the controllable switch M when the controllable switch M is turned on, it can be connected with the internal resistance of the battery core 12 and the first
  • the internal resistance forms a voltage divider circuit to pull down the voltage on the first connection terminal n1 from the first level signal x1 to the fourth level signal x4, thereby making the first level signal x1 and the fourth level signal x4 lower.
  • the voltage difference (V2-V0) between the two-level signal x2 is greater than the voltage difference (V2-V1) between the third-level signal x3 and the fourth-level signal x4, thereby reducing the current flowing through the control switch M,
  • the power of the control switch M can be reduced, thereby reducing the size of the control switch M, and the size and cost of the atomizer circuit board.
  • FIG. 6 is a schematic structural diagram of a functional module of the second embodiment of the battery pole of the present application.
  • this embodiment further includes a current limiting circuit 16 , which limits the current The circuit 16 is connected to the first connection terminal n1 to output a third level signal at the first connection terminal n1 when receiving the second communication signal from the atomizer 20 .
  • the current limiting circuit 16 includes: a second switch Q2 and a current limiting resistor R0 .
  • the second switch Q2 includes a first channel terminal, a second channel terminal and a control terminal, the first channel terminal of the second switch Q2 is connected to the battery cell 12 to receive the battery voltage Vbat, and the current limiting resistor R0 is set at the second switch Q1 Between the second channel end and the first connection end n1, specifically, the current limiting resistor R0 is connected to the second channel end of the second switch Q1 and the first connection end n1.
  • the control chip 11 further includes a current limiting control pin P0, and the current limiting control pin P0 is connected to the control terminal of the second switch Q2 to control the conduction of the second switch Q2.
  • the control chip 11 controls the second switch Q2 to be turned on through the current limiting control pin P0, so as to output a third level signal at the first connection terminal n1.
  • the voltage on the first connection terminal n1 is maintained at the third level signal y3, and the detection pin P2 detects the The third level signal y3 in the second communication signal obtains the data “1” fed back by the atomizer 20 .
  • the voltage value V1 of the third level signal y3 is greater than the voltage value V0 of the second level signal y2 and less than the voltage value V2 of the first level signal y1.
  • the voltage on the first connection terminal n1 is pulled down from the voltage value V1 of the third level signal y3 to the voltage value V0 of the fourth level signal y4, and the detection pin P2 detects the fourth level signal y4 in the second communication signal, thereby obtaining the data “0” fed back by the atomizer 20 .
  • the voltage value of the fourth level signal y4 is equal to the voltage value of the second level signal y2, and both are the voltage value V0.
  • FIG. 8 is a schematic structural diagram of the second embodiment of the atomizer of the present application.
  • the atomizer 20 includes: a first connection end m1 and a second connection end m2, which are used to connect with the battery rod 10 when the battery rod 10 is inserted.
  • the atomizer 20 includes a processing chip 21, and the processing chip 21 is connected to the first connection terminal m1, so as to receive the first communication signal from the battery rod 10 through the first connection terminal m1, and send the second communication signal to the battery rod 10, thereby Realize the communication between the battery rod 10 and the atomizer 20;
  • the first communication signal includes a first level signal y1 as a logic high level and a second level signal y2 as a logic low level; the second communication signal includes a third level signal y3 as a logic high level and the fourth level signal y4 which is a logic low level.
  • the voltage value of the first level signal y1 is V2
  • the voltage value of the second level signal y2 is V0
  • the voltage value of the third level signal y3 is V1
  • the voltage value of the fourth level signal y4 The voltage value is V0, wherein the voltage difference (V2-V0) between the voltage value V2 of the first level signal y1 and the voltage value V0 of the second level signal y2 is greater than the voltage value V1 of the third level signal y3
  • the atomizer 20 further includes: a heating element L and a control switch M.
  • the control switch M and the heating element L are connected in parallel between the first connection end m1 and the second connection end m2, and the control switch M receives the control signal from the processing chip 21 to be in an on state or an off state.
  • the control switch M when the control switch M is in the off state, the voltage on the first connection terminal m1 is maintained at the third level signal y3, so that the battery rod 10 obtains the data “1” fed back by the atomizer 20 .
  • the control switch M is in an on state, the voltage on the first connection terminal m1 is pulled down to the fourth level signal y4 , so that the battery rod 10 obtains the data “0” fed back by the atomizer 20 .
  • control switch M includes a first channel terminal, a second channel terminal and a control terminal, and the control terminal of the control switch M is connected to the pin P6 of the processing chip 21 for receiving the driving signal and being in an on state or off according to the driving signal
  • the second end of the heating element L is connected to the second channel end and the second connection end m2 of the control switch M
  • the first end of the heating element L is connected to the first channel end and the first connection end m1 of the control switch M.
  • the atomizer 20 further includes a diode D, the cathode of the diode D is connected to the voltage pin VDD of the processing chip 21 , and the anode of the diode D is connected to the pin P7 of the processing chip 21 .
  • the diode D may also be a MOSFET transistor or the like.
  • the atomizer 20 further includes a capacitor C, the first end of the capacitor C is connected to the cathode of the diode D, and the second end of the capacitor C is connected to the second connection terminal m2.
  • the voltage value V2 of the first level signal y1 ranges from VDD to Vbat, wherein VDD is the minimum operating voltage of the processing chip 21 , and Vbat is the battery voltage.
  • VDD is the minimum operating voltage of the processing chip 21
  • Vbat is the battery voltage.
  • the voltage value V1 of the third level signal y3 ranges from 0 to Vbat
  • the voltage value V0 of the second level signal y2 ranges from 0 to 0.3*VDD
  • the voltage value V2 of the first level signal y1 > The voltage value V1 of the third level signal y3 > the voltage value V0 of the second level signal y2 , wherein VDD (voltage at which the processing chip 21 can work normally) ⁇ Vbat (battery voltage).
  • control switch M the controllable resistor R, the diode D, and the capacitor C can be integrated into the processing chip 21 to further reduce the cost.
  • FIG. 9 is a schematic structural diagram of an embodiment of an electronic atomization device formed by inserting the atomizer of FIG. 8 into the battery rod shown in FIG. 7 .
  • the first connection end m1 of the atomizer 20 is connected to the first connection end n1 of the battery rod 10
  • the second connection end m2 of the atomizer 20 is connected to the battery rod 10. of the second connection terminal n2.
  • the first connection end m1 of the atomizer 20 when the atomizer 20 is inserted into the battery rod 10, the first connection end m1 of the atomizer 20 can be connected to the second connection end n2 of the battery rod 10, and the second connection end of the atomizer 20 The connection end m2 is connected to the first connection end n1 of the battery rod 10 .
  • the first connection end m1 of the atomizer 20 is connected to the first connection end n1 of the battery rod 10
  • the second connection end m2 of the atomizer 20 is connected to the second connection end n2 of the battery rod 10.
  • FIG. 10 is a timing waveform diagram of the communication between the battery rod and the atomizer in the electronic atomization device shown in FIG. 9 .
  • the battery rod 10 sends a first communication signal to the atomizer 20 .
  • the power control pin P1 of the battery rod 10 controls the first switch Q1 to be turned on, and the battery cell 12 outputs the first level signal y1 at the first connection terminal n1 through the turned-on first switch Q1 (that is, sending data " 1”), or, the power control pin P1 of the battery rod 10 controls the first switch Q1 to be turned off, and the battery cell 12 outputs the second level signal y2 at the first connection terminal n1 through the turned off first switch Q1 (ie, sending data "0").
  • the battery rod 10 controls the second switch Q2 to conduct through the current limiting control pin P0. Due to the existence of the current limiting resistor R0 in the current limiting circuit 16, the first The voltage value V2 of the first level signal y1 on the connection terminal n1 is pulled down to the voltage value V1 of the third level signal y3.
  • the processing chip 21 of the atomizer 20 controls the control switch M to be in an off state, the voltage on the first connection terminal m1 maintains the voltage value V1 corresponding to the third level signal y3, so that the battery rod 10 obtains the atomizer 20 Feedback data "1".
  • the voltage value V1 of the third level signal y3 is greater than the voltage value V0 of the second level signal y2 and less than the voltage value V2 of the first level signal y1.
  • the processing chip 21 of the atomizer 20 controls the control switch M to be in an on state
  • the voltage on the first connection terminal m1 is pulled down to the voltage value V0 corresponding to the fourth level signal y4, so that the battery rod 10 obtains the The data "0" fed back by the atomizer 20.
  • the voltage value of the fourth level signal y4 is equal to the voltage value of the second level signal y2, that is, the voltage value V0.
  • the voltage of the reference voltage Vref can be obtained directly from the first level signal y1 applied to the heating element L.
  • the third switch Q3 is turned off, which can keep the The stabilization of the reference voltage Vref for a period of time.
  • the voltage of the reference voltage Vref may also be obtained from the digital-to-analog converter of the control chip 11, or may also be obtained from the battery voltage Vbat, which is not specifically limited.
  • the voltage value of the reference voltage Vref is greater than the voltage value V0 of the fourth level signal y4 and less than the voltage value V1 of the third level signal y3, so that the voltage sampled at the detection pin P2 is
  • the detection pin P2 detects the third level signal y3, that is, the battery pole 10 receives the data "1";
  • the detection pin P2 detects the fourth level signal y4, that is, the battery rod 10 receives the data "0".
  • the voltage value V2 of the first level signal y1 can be pulled down to the voltage value V2 of the third level signal y3.
  • the voltage value V1 so that the voltage value of the third level y3 obtained by the atomizer is sufficiently low, so that the voltage difference (V2-V0) between the first level signal y1 and the second level signal y2 is greater than
  • the current passing through the control switch M will be correspondingly reduced, so a low-power control switch M can be used, thereby reducing the size and cost of the circuit board of the atomizer.

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Abstract

一种电池杆、雾化器以及电子雾化装置，电池杆（10）包括：第一连接端（n1）和第二连接端（n2），用于与插入电池杆（10）的雾化器（20）连接；控制芯片（11），连接第一连接端（n1），以通过第一连接端（n1）而向插入电池杆（10）的雾化器（20）发送第一通讯信号，接收来自雾化器（20）的第二通讯信号，从而实现电池杆（10）和雾化器（20）的通讯；其中，第一通讯信号包括作为逻辑高电平的第一电平信号（x1）和作为逻辑低电平的第二电平信号（x2）；第二通讯信号包括作为逻辑高电平的第三电平信号（x3）和作为逻辑低电平的第四电平信号（x4），且第一电平信号（x1）与第二电平信号（x2）之间的电压差大于第三电平信号（x3）与第四电平信号（x4）之间的电压差。以此能够降低雾化器中控制开关的功率，进而缩小雾化器的线路板的寸尺，降低成本。

Description

一种电池杆、雾化器以及电子雾化装置 【技术领域】
本申请涉及雾化技术领域，特别是涉及一种电池杆、雾化器以及电子雾化装置。
【背景技术】
现有的某些具有加密功能的电子雾化装置，采用的是在电子雾化装置的雾化器中配置一块线路板，在线路板上设置控制器MCU、电容和开关MOS管来实现加密功能，其中，电容用于给控制器供电，控制器通过控制MOS管的关断和导通来实现与电池杆的通信，也即向电池杆回复数据1和0。
在实际应用的过程中，现有的电子雾化装置，一般需要较大功率的MOS管和/或大容量的电容才能正常工作，而大功率的MOS管、大容量的电容的尺寸往往很大，这会显著增加线路板的面积，这样会限制加密功能在小尺寸烟弹上的应用。
【发明内容】
本申请提供一种电池杆、雾化器以及电子雾化装置，其能够降低雾化器中控制开关的功率，进而缩小雾化器的线路板的寸尺，降低成本。
为解决上述技术问题，本申请提供的第一个技术方案为：提供一种电池杆，包括：第一连接端和第二连接端，用于与插入电池杆的雾化器连接；控制芯片，连接第一连接端，以通过第一连接端而向插入电池杆的雾化器发送第一通讯信号，接收来自雾化器的第二通讯信号，从而实现电池杆和雾化器的通讯；其中，第一通讯信号包括作为逻辑高电平的第一电平信号和作为逻辑低电平的第二电平信号；第二通讯信号包括作为逻辑高电平的第三电平信号和作为逻辑低电平的第四电平信号，且第一电平信号与第二电平信号之间的电压差大于第三电平信号与第四电平信号之间的电压差。
其中，电池杆进一步包括：电芯，用于提供电池电压；第一开关，包括第一通路端、第二通路端和控制端，其中，第一开关的第一通路端连接电芯，而第二通路端连接第一连接端；其中，控制芯片包括电源控制引脚，电源控制引脚连接第一开关的控制端以控制第一开关的导通；当第一开关导通时，电池电压藉由导通的第一开关而在第一连接端输出第一电平信号；而当第一开关截止时，电池杆在第一连接端输出第二电平信号，以通过第一连接端向雾化器发送第一通讯信号。
其中，控制芯片还包括：侦测引脚，连接第一连接端，以侦测第一连接端上的电压；其中，控制芯片根据侦测引脚所侦测的电压而识别确 定第二通讯信号。
其中，电池杆接收来自雾化器的第二通讯信号时，第一开关导通以使电池电压藉由导通的第一开关而在第一连接端输出第一电平信号；当雾化器工作在第一状态时，第一连接端上的电压维持在第一电平信号，侦测引脚侦测到第二通讯信号中的第三电平信号，且第三电平信号等于第一电平信号；当雾化器工作在第二状态时，第一连接端上的电压拉低至第四电平信号，侦测引脚侦测到第二通讯信号中的第四电平信号，且第四电平信号大于第二电平信号而小于第一电平信号。
其中，雾化器工作在第一状态时第一连接端上的电压，与雾化器工作在第二状态时第一连接端上的电压之间的差，处于范围(0，1.2〕之间
其中，电池杆进一步包括：限流电路，连接第一连接端，以在接收来自雾化器的第二通讯信号时在第一连接端输出第三电平信号；当雾化器工作在第一状态时，第一连接端上的电压维持在第三电平信号，侦测引脚侦测到第二通讯信号中的第三电平信号，且第三电平信号大于第二电平信号而小于第一电平信号；当雾化器工作在第二状态时，第一连接端上的电压拉低至第四电平信号，侦测引脚侦测到第二通讯信号中的第四电平信号，且第四电平信号等于第二电平信号。
其中，限流电路包括：第二开关，包括第一通路端、第二通路端和控制端，其中，第二开关的第一通路端连接电芯以接收电池电压；限流电阻，设置在第二开关的第二通路端与第一连接端之间；其中，控制芯片进一步包括限流控制引脚，限流控制引脚连接第二开关的控制端以控制第二开关的导通，当电池杆接收来自雾化器的第二通讯信号时，控制芯片通过限流控制引脚控制第二开关导通，以在第一连接端输出第三电平信号。
其中，控制芯片进一步包括：信号采样电路，连接侦测引脚，并接收参考电压，以根据参考电压而识别确定第二通讯信号。
其中，控制芯片进一步包括参考电压引脚，用于接收参考电压；其中，电池杆进一步包括：参考电压提供电路，设置在参考电压引脚和第一连接端之间，以利用第一连接端上的第三电平信号而产生参考电压，其中，参考电压小于第三电平信号而大于第四电平信号。
为解决上述技术问题，本申请提供的第二个技术方案为：提供一种雾化器，包括：第一连接端和第二连接端，用于在插入电池杆时与电池杆连接；处理芯片，连接第一连接端，以通过第一连接端而接收来自电池杆的第一通讯信号，向电池杆发送第二通讯信号，从而实现电池杆和雾化器的通讯；其中，第一通讯信号包括作为逻辑高电平的第一电平信号和作为逻辑低电平的第二电平信号；第二通讯信号包括作为逻辑高电平的第三电平信号和作为逻辑低电平的第四电平信号，且第一电平信号与第二电平信号之间的电压差大于第三电平信号与第四电平信号之间 的电压差。
其中，雾化器进一步包括：加热元件；控制开关和可控电阻，其中，控制开关和可控电阻串联在一起，且与加热元件并联在第一连接端和第二连接端之间，控制开关接收处理芯片的控制信号以处于导通状态或者截止状态；其中，当控制开关处于截止状态时，雾化器工作在第一状态，且第一连接端上的电压维持在第三电平信号，且第三电平信号等于第一电平信号；当控制开关处于导通状态时，雾化器工作在第二状态，且第一连接端上的电压拉低至第四电平信号，第四电平信号大于第二电平信号而小于第一电平信号。
其中，雾化器进一步包括：加热元件；控制开关和可控电阻，其中，控制开关和可控电阻串联在一起，且与加热元件并联在第一连接端和第二连接端之间，控制开关接收处理芯片的控制信号以处于导通状态或者截止状态；其中，当控制开关处于截止状态时，雾化器工作在第一状态，且第一连接端上的电压维持在第三电平信号，且第三电平信号等于第一电平信号；当控制开关处于导通状态时，雾化器工作在第二状态，且第一连接端上的电压拉低至第四电平信号，第四电平信号大于第二电平信号而小于第一电平信号。
为解决上述技术问题，本申请提供的第三个技术方案为：提供一种电子雾化装置，包括：电池杆，电池杆包括上述任一项的电池杆；雾化器，雾化器包括上述任一项的雾化器。
本申请的有益效果：区别于现有技术，本申请提供的电池杆、雾化器以及电子雾化装置，在进行通讯识别时，电池杆向雾化器发送的第一电平信号与第二电平信号之间的电压差大于雾化器向电池杆反馈的第三电平信号与第四电平信号之间的电压差，以此能够降低雾化器中控制开关的功率，进而缩小雾化器的线路板的寸尺，降低成本。
【附图说明】
图1为本申请电池杆的第一实施例的功能模块示意图；
图2为图1所示的电池杆的一具体实施例的结构示意图；
图3为本申请雾化器的第一实施例的结构示意图；
图4为图3所示的雾化器插入图2所示的电池杆中形成的电子雾化装置的一实施例的结构示意图；
图5为图4所示的电子雾化装置进行通讯识别时的波形时序图；
图6为本申请电池杆的第二实施例的功能模块示意图；
图7为图6所示的电池杆的一具体实施例的结构示意图；
图8为本申请雾化器的第二实施例的结构示意图；
图9为图8所示的雾化器插入图7所示的电池杆中形成的电子雾化装置的一实施例的结构示意图；
图10为图9所示的电子雾化装置进行通讯识别时的波形时序图。
【具体实施方式】
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参见图1，为本申请电池杆的第一实施例的功能模块示意图。具体的，电池杆10包括第一连接端n1和第二连接端n2，用于与插入电池杆10的雾化器连接。电池杆10还包括控制芯片11，控制芯片11连接第一连接端n1，以通过第一连接端n1而向插入电池杆10的雾化器发送第一通讯信号，接收来自雾化器的第二通讯信号，从而实现电池杆10和雾化器的通讯，第二连接端n2接地。在一实施例中，控制芯片11包括电源控制引脚P1。
具体的，请结合图5，第一通讯信号包括作为逻辑高电平的第一电平信号x1和作为逻辑低电平的第二电平信号x2；第二通讯信号包括作为逻辑高电平的第三电平信号x3和作为逻辑低电平的第四电平信号x4。具体的，在一实施例中，第一电平信号x1的电压值为V2，第二电平信号x2的电压值为V0，第三电平信号x3的电压值为V2，第四电平信号x4的电压值为V1。其中，第一电平信号x1的电压值V2与第二电平信号x2的电压值V0之间的电压差(V2-V0)大于第三电平信号x3的电压值V2与第四电平信号x4的电压值V1之间的电压差(V2-V1)。
可选的，电池杆10进一步包括电芯12以及第一开关13，电芯12用于提供电池电压Vbat，当第一开关13导通时，电池电压Vbat藉由导通的第一开关13而在第一连接端n1输出第一电平信号x1；而当第一开关13截止时，电池杆10在第一连接端n1输出第二电平信号x2，以通过第一连接端n1向雾化器发送第一通讯信号。具体的，输出第一电平信号x1时实现数据“1”的发送，输出第二电平信号x2时实现数据“0”的发送。
具体的，如图2所示，第一开关13包括第一开关Q1，第一开关Q1包括第一通路端、第二通路端和控制端，其中，第一开关Q1的第一通路端连接电芯12，而第二通路端连接第一连接端n1，第一开关Q1的控制端连接电源控制引脚P1连接，具体的。电源控制引脚P1用于控制第一开关Q1的导通或截止。
可选的，控制芯片11还包括：侦测引脚P2以及参考电压引脚P3， 侦测引脚P2连接第一连接端n1，以侦测第一连接端n1上的电压。具体的，控制芯片11根据侦测引脚P2所侦测的电压而识别确定第二通讯信号，进而确定电池杆10接收到的数据为“1”或者“0”。具体的，控制芯片1进一步包括：信号采样电路14，信号采样电路14连接侦测引脚P2，以通过侦测引脚P2侦测获取雾化器反馈至第一连接端n1上的电压，信号采样电路14还连接参考电压引脚P3，以接收参考电压Vref，以根据参考电压Vref而识别确定雾化器反馈至第一连接端n1上的电压为第三电平信号x3或者第四电平信号x4。
其中，电池杆10进一步包括：参考电压提供电路15，参考电压提供电路15设置在参考电压引脚P3和第一连接端n1之间，即参考电压提供电路15连接在参考电压引脚P3和第一连接端n1之间，以利用第一连接端n1上的第三电平信号x3而产生参考电压Vref，其中，参考电压Vref小于第三电平信号x3或者第一电平信号x1的电压值V2而大于第四电平信号x4的电压值V1。
请结合图2，其中，信号采样电路14包括比较器141，具体的，比较器141包括第一输入端、第二输入端以及输出端，第一输入端连接侦测引脚P2，以侦测雾化器反馈至第一连接端n1上的电压；第二输入端连接参考电压引脚P3，以接收参考电压Vref；输出端连接控制芯片的引脚P4，以输出识别确定的第二通讯信号对应的结果。在一替代实施例中，比较器141还可以为模数转换器、运算放大器或者三极管、MOS管等搭建形成的放大电路。在一具体实施例中，信号采样电路14也可以设置在控制芯片11之外，其在识别确定雾化器反馈至第一连接端n1上的电压为第三电平信号x3或者第四电平信号x4后，将反馈结果传输至控制芯片11以供控制芯片11进行进一步处理。
其中，参考电压提供电路15包括：第三开关Q3、第一电阻R1、第二电阻R2以及第一电容C1。其中，第三开关Q3包括第一通路端、第二通路端以及控制端，第三开关Q3的第一通路端连接第一连接端n1，控制端连接控制芯片11的引脚P5，控制芯片11的引脚P5控制第三开关Q3的导通与截止。第二电阻R2的第一端连接第三开关Q3的第二通路端。第一电阻R1的第一端连接第二电阻R2的第二端，第一电阻R1的第二端接地。第一电容C1的第一端连接第二电阻R2的第一端，第一电容C1的第二端接地。
在一实施例中，当雾化器工作在第一状态时，第一连接端n1上的电压维持在第一电平信号x1，侦测引脚P2侦测到第二通讯信号中的第三电平信号x3，即电池杆10获取到数据“1”，且第三电平信号x3的电压值等于第一电平信号x1的电压值，也即电压值V2。当雾化器工作在第二状态时，第一连接端n1上的电压从第一电平信号x1被拉低至第四电平信号x4，侦测引脚P2侦测到第二通讯信号中的第四电平信号x4， 即电池杆10获取到数据“0”，且第四电平信号x4的电压值V1大于第二电平信号x2的电压值V0而小于第一电平信号x1的电压值V2。
请参见图3，为本申请雾化器的第一实施例的结构示意图。具体的，雾化器20包括：第一连接端m1以及第二连接端m2，用于在插入电池杆10时与电池杆10的第一连接端n1及第二连接端n2连接。
雾化器20包括处理芯片21，处理芯片21连接第一连接端m1，以通过第一连接端m1而接收来自电池杆10的第一通讯信号，并向电池杆10发送第二通讯信号，从而实现电池杆10和雾化器20的通讯；
具体的，请结合图5，第一通讯信号包括作为逻辑高电平的第一电平信号x1和作为逻辑低电平的第二电平信号x2；第二通讯信号包括作为逻辑高电平的第三电平信号x3和作为逻辑低电平的第四电平信号x4。具体的，在一实施例中，第一电平信号x1的电压值为V2，第二电平信号x2的电压值为V0，第三电平信号x3的电压值为V2，第四电平信号x4的电压值为V1。其中，第一电平信号x1的电压值V2与第二电平信号x2的电压值V0之间的电压差(V2-V0)大于第三电平信号x3的电压值V2与第四电平信号x4的电压值V1之间的电压差(V2-V1)。
在一实施例中，雾化器20进一步包括：加热元件L、控制开关M和可控电阻R。其中，控制开关M和可控电阻R串联在一起，且与加热元件L并联在第一连接端m1和第二连接端m2之间，控制开关M接收处理芯片21的控制信号以处于导通状态或者截止状态。其中，当控制开关M处于截止状态时，雾化器20工作在第一状态，且第一连接端上m1的电压维持在第三电平信号x3，且第三电平信号x3的电压值等于第一电平信号x1的电压值，也即电压值V2。当控制开关M处于导通状态时，雾化器20工作在第二状态，且第一连接端m1上的电压被从第一电平信号x1对应的电压值V2拉低至第四电平信号x4对应的电压值V1，第四电平信号x4的电压值V1大于第二电平信号x2的电压值V0而小于第一电平信号x1的电压值V2，如图5所示。
具体的，控制开关M包括第一通路端、第二通路端以及控制端，控制开关M的控制端连接处理芯片21的引脚P6，用于接收驱动信号而根据驱动信号处于导通状态或者截止状态，可控电阻R的第二端连接控制开关M的第一通路端，可控电阻R的第一端连接加热元件L的第一端，加热元件L的第二端连接控制开关M的第二通路端以及第二连接端m2。
可选的，在一实施例中，雾化器20进一步包括二极管D，二极管D的阴极连接处理芯片21的电压引脚VDD，二极管D的阳极连接处理芯片21的引脚P7。在一实施例中，二极管D还可以为MOSFEF、三极管等。可选的，雾化器20进一步包括电容C，电容C的第一端连接二极管D的阴极，电容C的第二端连接第二连接端m2。
在一实施例中，第一电平信号x1的电压值V2的范围为VDD～Vbat 其中，VDD为处理芯片21的最小工作电压，Vbat为电池电压。具体的，第四电平信号x4的电压值V1的范围为VDD～Vbat，第二电平信号x2的电压值V0范围在0～0.3*VDD，且第一电平信号x1的电压值V2＞第四电平信号x4的电压值V1＞第二电平信号x2的电压值V0，其中VDD(处理芯片21可以正常工作的电压)≤Vbat(电池电压)。
由于雾化器20返回数据的过程中，第四电平信号x4的电压值V1始终大于处理芯片21的最小工作电压VDD，可以为处理芯片21供电，进而可以将处理芯片21的电容C减小甚至取消，降低雾化器20的电路板的尺寸和成本。进一步，可以将控制开关M、可控电阻R、二极管D以及电容C集成形成在处理芯片21中，进一步减低成本。
其中，当控制开关M处于截止状态时，雾化器20工作在第一状态，且第一连接端m1上的电压维持在第三电平信号x3，且第三电平信号x3等于第一电平信号x1。当控制开关M处于导通状态时，雾化器20工作在第二状态，且第一连接端m1上的电压拉低至第四电平信号x4，第四电平信号x4的电压值V1大于第二电平信号x2的电压值V0而小于第一电平信号x1的电压值V2。
请参见图4，为图3所示的雾化器插入图2所示的电池杆中形成的电子雾化装置的一实施例的结构示意图，雾化器20插入电池杆10中形成电子雾化装置，具体的，在雾化器20插入电池杆10中时，雾化器20的第一连接端m1连接电池杆10的第一连接端n1，雾化器20的第二连接端m2连接电池杆10的第二连接端n2。在另一实施例中，在雾化器20插入电池杆10中时，还可以使得雾化器20的第一连接端m1连接电池杆10的第二连接端n2，雾化器20的第二连接端m2连接电池杆10的第一连接端n1。本实施例以雾化器20的第一连接端m1连接电池杆10的第一连接端n1，雾化器20的第二连接端m2连接电池杆10的第二连接端n2进行具体说明。
具体的，请结合图5，图5为图4所示的电子雾化装置中电池杆和雾化器通讯的时序波形图。在雾化器20插入电池杆10中时，电池杆10向雾化器20发送第一通讯信号。具体的，电池杆10的电源控制引脚P1控制第一开关Q1导通，电芯12藉由导通的第一开关Q1在第一连接端n1输出第一电平信号x1(即发送数据“1”)，或者，电池杆10的电源控制引脚P1控制第一开关Q1截至，电芯12藉由截至的第一开关Q1在第一连接端n1输出第二电平信号x2(即发送数据“0”)。
具体的，在雾化器20接收到第一通讯信号后，发送第二通讯信号给电池杆10，具体的，通过可控电阻R的导通或截至以提供第三电平信号x3或者第四电平信号x4给电池杆10。
在一具体实施例中，当处理芯片21控制可控开关M处于截至状态时，雾化器20工作在第一状态。在雾化器20工作在第一状态时，第一 连接端m1上的电压维持在第一电平信号x1，由于第三电平信号x3的电压值等于第一电平信号x1的电压值，也即电压值V2，因此侦测引脚P2侦测到第二通讯信号中的第三电平信号x3，以此使得电池杆10获取到雾化器20反馈的数据“1”。
当处理芯片21控制可控开关M处于导通状态时，雾化器20工作在第二状态。在雾化器20工作在第二状态时，第一连接端m1上的电压被拉低至第四电平信号x4，第四电平信号x4的电压值V1大于第二电平信号x2的电压值V0而小于第一电平信号x1的电压值V2，以此使得电池杆10获取到雾化器20反馈的数据“0”。具体的，可控开关M处于导通状态时，电芯12的内阻及第一开关Q1的内阻与可控电阻R形成分压电路，进而将第一连接端m1上的第一电平信号x1拉低至第四电平信号x4，因此电池杆10获取到数据“0”。
具体的，在控制芯片11的侦测引脚P2侦测到第三电平信号x3或第四电平信号x4时，利用比较器141将第三电平信号x3或第四电平信号x4与参考电压Vref进行比较，进而判断接收到的数据是“1”或“0”。在一具体实施例中，参考电压Vref的电压值大于第四电平信号x4的电压值V1，小于第一电平信号x1或第三电平信号x3的电压值V2，以此，在侦测引脚P2采样得到的电压大于参考电压Vref时，即可判定侦测引脚P2侦测到第三电平信号x3，即电池杆10接收到数据“1”；在侦测引脚P2采样得到的电压小于参考电压Vref时，即可判定侦测引脚P2侦测到第四电平信号x4，即电池杆10接收到数据“0”。
具体的，在一实施例中，参考电压Vref的电压可直接从施加至加热元件L的第一电平信号x1获取，当第一电容C1被充满后，第三开关Q3关断，即可保持一段时间的参考电压Vref的稳定。在其他实施例中，参考电压Vref的电压还可以从控制芯片11的数字模拟转换器中获取，或者还可以从电池电压Vbat中获取，具体不做限定。
在一实施例中，在雾化器20工作在第一状态时，第一连接端n1上的电压(Vbat*Rh/(Re+Rh))，与雾化器工作在第二状态时第一连接端上的电压(Vbat*Rp/(Re+Rp))之间的差，处于范围(0，1.2〕之间。即：
Figure PCTCN2020117847-appb-000001
其中，Vbat为电池电压，Re为电芯12的内阻与第一开关Q1导通时内阻之和，Rh为加热元件L的电阻，Rp为可控电阻R与加热元件L并联阻值。在一实施例中，通过上述公式，可以确定可控电阻R的阻值范围。
本实施例的雾化器、电池杆组成的电子雾化装置，由于雾化器20中设置有可控电阻R，其在可控开关M导通时，能够与电芯12的内阻与第一开关Q1导通时内阻形成分压电路，以将第一连接端n1上的电压 从第一电平信号x1拉低至第四电平信号x4，进而使得第一电平信号x1与第二电平信号x2之间的电压差(V2-V0)大于第三电平信号x3与第四电平信号x4之间的电压差(V2-V1)，进而减少流经控制开关M的电流，可以降低制开关M的功率，从而降低制开关M的尺寸，降低雾化器电路板的尺寸和成本。
请参见图6，为本申请电池杆的第二实施例的功能模块结构示意图，与上述图1所示的第一实施例相比，区别在于，本实施例还包括限流电路16，限流电路16连接第一连接端n1，以在接收来自雾化器20的第二通讯信号时在第一连接端n1输出第三电平信号。
具体的，请结合图7，限流电路16包括：第二开关Q2、限流电阻R0。其中，第二开关Q2包括第一通路端、第二通路端和控制端，第二开关Q2的第一通路端连接电芯12以接收电池电压Vbat，限流电阻R0设置在第二开关Q1的第二通路端与第一连接端n1之间，具体的，限流电阻R0连接第二开关Q1的第二通路端与第一连接端n1。控制芯片11进一步包括限流控制引脚P0，限流控制引脚P0连接第二开关Q2的控制端以控制第二开关Q2的导通，当电池杆10接收来自雾化器20的第二通讯信号时，控制芯片11通过限流控制引脚P0控制第二开关Q2导通，以在第一连接端n1输出第三电平信号。
具体的,请结合图10，本实施例中，当雾化器20工作在第一状态时，第一连接端n1上的电压维持在第三电平信号y3，侦测引脚P2侦测到第二通讯信号中的第三电平信号y3，以此获取到雾化器20反馈的数据“1”。其中，第三电平信号y3的电压值V1大于第二电平信号y2的电压值V0而小于第一电平信号y1的电压值V2。当雾化器20工作在第二状态时，第一连接端n1上的电压被自第三电平信号y3的电压值V1拉低至第四电平信号y4的电压值V0，侦测引脚P2侦测到第二通讯信号中的第四电平信号y4，以此获取到雾化器20反馈的数据“0”。其中，第四电平信号y4的电压值等于第二电平信号y2的电压值，均为电压值V0。
请参见图8，为本申请雾化器的第二实施例的结构示意图，与上述图3所示的雾化器的第一实施例的结构示意图相比，区别在于，本实施例所示的雾化器不包括可控电阻R。具体的，本申请的雾化器包括：雾化器20包括：第一连接端m1以及第二连接端m2，用于在插入电池杆10时与电池杆10连接。
雾化器20包括处理芯片21，处理芯片21连接第一连接端m1，以通过第一连接端m1而接收来自电池杆10的第一通讯信号，并向电池杆10发送第二通讯信号，从而实现电池杆10和雾化器20的通讯；
其中，第一通讯信号包括作为逻辑高电平的第一电平信号y1和作为逻辑低电平的第二电平信号y2；第二通讯信号包括作为逻辑高电平的第三电平信号y3和作为逻辑低电平的第四电平信号y4。具体的，本实 施例中，第一电平信号y1的电压值为V2，第二电平信号y2的电压值为V0，第三电平信号y3的电压值为V1，第四电平信号y4的电压值为V0，其中，第一电平信号y1的电压值V2与第二电平信号y2的电压值V0之间的电压差(V2-V0)大于第三电平信号y3的电压值V1与第四电平信号y4的电压值V0之间的电压差(V1-V0)。
在一实施例中，雾化器20进一步包括：加热元件L、控制开关M。其中，控制开关M和加热元件L并联在第一连接端m1和第二连接端m2之间，控制开关M接收处理芯片21的控制信号以处于导通状态或者截止状态。其中，当控制开关M处于截止状态时，第一连接端m1上的电压维持在第三电平信号y3，以使得电池杆10获取到雾化器20反馈的数据“1”。当控制开关M处于导通状态时，第一连接端m1上的电压拉低至第四电平信号y4，以使得电池杆10获取到雾化器20反馈的数据“0”。
具体的，控制开关M包括第一通路端、第二通路端以及控制端，控制开关M的控制端连接处理芯片21的引脚P6，用于接收驱动信号而根据驱动信号处于导通状态或者截止状态，加热元件L的第二端连接控制开关M的第二通路端以及第二连接端m2，加热元件L的第一端连接控制开关M的第一通路端及第一连接端m1。
可选的，在一实施例中，雾化器20进一步包括二极管D，二极管D的阴极连接处理芯片21的电压引脚VDD，二极管D的阳极连接处理芯片21的引脚P7。在一实施例中，二极管D还可以为MOSFET三极管等。可选的，雾化器20进一步包括电容C，电容C的第一端连接二极管D的阴极，电容C的第二端连接第二连接端m2。
在一实施例中，第一电平信号y1的电压值V2的范围为VDD～Vbat其中，VDD为处理芯片21的最小工作电压，Vbat为电池电压。具体的，第三电平信号y3的电压值V1的范围为0～Vbat，第二电平信号y2的电压值V0范围在0～0.3*VDD，且第一电平信号y1的电压值V2＞第三电平信号y3的电压值V1＞第二电平信号y2的电压值V0，其中VDD(处理芯片21可以正常工作的电压)≤Vbat(电池电压)。
进一步，可以将控制开关M、可控电阻R、二极管D以及电容C集成形成在处理芯片21中，进一步减低成本。
请参见图9，为本申请图8的雾化器插入图7所示的电池杆中形成的电子雾化装置的一实施例的结构示意图。具体的，在雾化器20插入电池杆10中时，雾化器20的第一连接端m1连接电池杆10的第一连接端n1，雾化器20的第二连接端m2连接电池杆10的第二连接端n2。在另一实施例中，在雾化器20插入电池杆10中时，还可以使得雾化器20的第一连接端m1连接电池杆10的第二连接端n2，雾化器20的第二连接端m2连接电池杆10的第一连接端n1。本实施例以雾化器20的第一 连接端m1连接电池杆10的第一连接端n1，雾化器20的第二连接端m2连接电池杆10的第二连接端n2进行具体说明。
具体的，请结合图10，图10为图9所示的电子雾化装置中电池杆和雾化器通讯的时序波形图。在雾化器20插入电池杆10中时，电池杆10向雾化器20发送第一通讯信号。具体的，电池杆10的电源控制引脚P1控制第一开关Q1导通，电芯12藉由导通的第一开关Q1在第一连接端n1输出第一电平信号y1(即发送数据“1”)，或者，电池杆10的电源控制引脚P1控制第一开关Q1截至，电芯12藉由截至的第一开关Q1在第一连接端n1输出第二电平信号y2(即发送数据“0”)。
具体的，在雾化器20接收到第一通讯信号后，电池杆10通过限流控制引脚P0控制第二开关Q2导通，由于限流电路16中限流电阻R0的存在，使得第一连接端n1上的第一电平信号y1的电压值V2被拉低至第三电平信号y3的电压值V1。在雾化器20的处理芯片21控制控制开关M处于截止状态时，第一连接端m1上的电压维持第三电平信号y3对应的电压值V1，以使得电池杆10获取到雾化器20反馈的数据“1”。其中，第三电平信号y3的电压值V1大于第二电平信号y2的电压值V0而小于第一电平信号y1的电压值V2。在雾化器20的处理芯片21控制控制开关M处于导通状态时，第一连接端m1上的电压被拉低至第四电平信号y4对应的电压值V0，以使得电池杆10获取到雾化器20反馈的数据“0”。第四电平信号y4的电压值等于第二电平信号y2的电压值，也即电压值V0。
具体的，在一实施例中，参考电压Vref的电压可直接从施加到加热元件L的第一电平信号y1获取，当第一电容C1被充满后，第三开关Q3关断，即可保持一段时间的参考电压Vref的稳定。在其他实施例中，参考电压Vref的电压还可以从控制芯片11的数字模拟转换器中获取，或者还可以从电池电压Vbat中获取，具体不做限定。
在一具体实施例中，参考电压Vref的电压值大于第四电平信号y4的电压值V0，小于第三电平信号y3的电压值V1，以此，在侦测引脚P2采样得到的电压大于参考电压Vref时，即可判定侦测引脚P2侦测到第三电平信号y3，即电池杆10接收到数据“1”；在侦测引脚P2采样得到的电压小于参考电压Vref时，即可判定侦测引脚P2侦测到第四电平信号y4，即电池杆10接收到数据“0”。
本实施例的雾化器、电池杆组成的电子雾化装置，由于电池杆10中引入限流电阻R0，可将第一电平信号y1的电压值V2拉低至第三电平信号y3的电压值V1，以此使得雾化器获取到的第三电平y3的电压值足够低，以使得第一电平信号y1与第二电平信号y2之间的电压差(V2-V0)大于第三电平信号y3与第四电平信号y4之间的电压差(V1-V0)。此时通过控制开关M的电流会相应降低，因此可以使用小 功率的控制开关M，从而降低雾化器的电路板的尺寸和成本。
本申请的电子雾化装置只描述了部分结构，其余部分可与现有的电子雾化装置的结构相同，在此不再赘述。
以上仅为本申请的实施方式，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (13)

  1. 一种电池杆，其中，包括：
    第一连接端和第二连接端，用于与插入所述电池杆的雾化器连接；
    控制芯片，连接所述第一连接端，以通过所述第一连接端而向插入所述电池杆的所述雾化器发送第一通讯信号，接收来自所述雾化器的第二通讯信号，从而实现所述电池杆和所述雾化器的通讯；
    其中，所述第一通讯信号包括作为逻辑高电平的第一电平信号和作为逻辑低电平的第二电平信号；所述第二通讯信号包括作为逻辑高电平的第三电平信号和作为逻辑低电平的第四电平信号，且所述第一电平信号与所述第二电平信号之间的电压差大于所述第三电平信号与所述第四电平信号之间的电压差。
  2. 根据权利要求1所述的电池杆，其中，进一步包括：
    电芯，用于提供电池电压；
    第一开关，包括第一通路端、第二通路端和控制端，其中，所述第一开关的第一通路端连接所述电芯，而所述第二通路端连接所述第一连接端；
    其中，所述控制芯片包括电源控制引脚，所述电源控制引脚连接所述第一开关的控制端以控制所述第一开关的导通；当所述第一开关导通时，所述电池电压藉由导通的所述第一开关而在所述第一连接端输出所述第一电平信号；而当所述第一开关截止时，所述电池杆在所述第一连接端输出所述第二电平信号，以通过所述第一连接端向所述雾化器发送所述第一通讯信号。
  3. 根据权利要求2所述的电池杆，其中，所述控制芯片还包括：
    侦测引脚，连接所述第一连接端，以侦测所述第一连接端上的电压；
    其中，所述控制芯片根据侦测引脚所侦测的电压而识别确定所述第二通讯信号。
  4. 根据权利要求3所述的电池杆，其中，所述电池杆接收来自所述雾化器的所述第二通讯信号时，所述第一开关导通以使所述电池电压藉由导通的所述第一开关而在所述第一连接端输出所述第一电平信号；
    当所述雾化器工作在第一状态时，所述第一连接端上的电压维持在所述第一电平信号，所述侦测引脚侦测到所述第二通讯信号中的所述第三电平信号，且所述第三电平信号等于所述第一电平信号；
    当所述雾化器工作在第二状态时，所述第一连接端上的电压拉低至所述第四电平信号，所述侦测引脚侦测到所述第二通讯信号中的所述第四电平信号，且所述第四电平信号大于所述第二电平信号而小于所述第一电平信号。
  5. 根据权利要求4所述的电池杆，其中，所述雾化器工作在第一状态时所述第一连接端上的电压，与所述雾化器工作在第二状态时所述第 一连接端上的电压之间的差，处于范围(0，1.2〕之间。
  6. 根据权利要求3所述的电池杆，其中，所述电池杆进一步包括：
    限流电路，连接所述第一连接端，以在接收来自所述雾化器的所述第二通讯信号时在所述第一连接端输出所述第三电平信号；
    当所述雾化器工作在第一状态时，所述第一连接端上的电压维持在所述第三电平信号，所述侦测引脚侦测到所述第二通讯信号中的所述第三电平信号，且所述第三电平信号大于所述第二电平信号而小于所述第一电平信号；
    当所述雾化器工作在第二状态时，所述第一连接端上的电压拉低至所述第四电平信号，所述侦测引脚侦测到所述第二通讯信号中的所述第四电平信号，且所述第四电平信号等于所述第二电平信号。
  7. 根据权利要求6所述的电池杆，其中，所述限流电路包括：
    第二开关，包括第一通路端、第二通路端和控制端，其中，所述第二开关的第一通路端连接所述电芯以接收所述电池电压；
    限流电阻，设置在所述第二开关的第二通路端与所述第一连接端之间；
    其中，所述控制芯片进一步包括限流控制引脚，所述限流控制引脚连接所述第二开关的控制端以控制所述第二开关的导通，当所述电池杆接收来自所述雾化器的所述第二通讯信号时，所述控制芯片通过所述限流控制引脚控制所述第二开关导通，以在所述第一连接端输出所述第三电平信号。
  8. 根据权利要求3所述的电池杆，其中，所述控制芯片进一步包括：
    信号采样电路，连接所述侦测引脚，并接收参考电压，以根据所述参考电压而识别确定所述第二通讯信号。
  9. 根据权利要求8所述的电池杆，其中，所述控制芯片进一步包括参考电压引脚，用于接收所述参考电压；
    其中，所述电池杆进一步包括：
    参考电压提供电路，设置在所述参考电压引脚和所述第一连接端之间，以利用所述第一连接端上的第三电平信号而产生所述参考电压，其中，所述参考电压小于所述第三电平信号而大于所述第四电平信号。
  10. 一种雾化器，其中，包括：
    第一连接端和第二连接端，用于在插入电池杆时与所述电池杆连接；
    处理芯片，连接所述第一连接端，以通过所述第一连接端而接收来自所述电池杆的第一通讯信号，向所述电池杆发送第二通讯信号，从而实现所述电池杆和所述雾化器的通讯；
    其中，所述第一通讯信号包括作为逻辑高电平的第一电平信号和作为逻辑低电平的第二电平信号；所述第二通讯信号包括作为逻辑高电平 的第三电平信号和作为逻辑低电平的第四电平信号，且所述第一电平信号与所述第二电平信号之间的电压差大于所述第三电平信号与所述第四电平信号之间的电压差。
  11. 根据权利要求10所述的雾化器，其中，进一步包括：
    加热元件；
    控制开关和可控电阻，其中，所述控制开关和所述可控电阻串联在一起，且与所述加热元件并联在所述第一连接端和所述第二连接端之间，所述控制开关接收所述处理芯片的控制信号以处于导通状态或者截止状态；
    其中，当所述控制开关处于截止状态时，所述雾化器工作在第一状态，且所述第一连接端上的电压维持在所述第三电平信号，且所述第三电平信号等于所述第一电平信号；
    当所述控制开关处于导通状态时，所述雾化器工作在第二状态，且所述第一连接端上的电压拉低至所述第四电平信号，所述第四电平信号大于所述第二电平信号而小于所述第一电平信号。
  12. 根据权利要求10所述的雾化器，其中，进一步包括：
    加热元件；
    控制开关，其中，所述控制开关与所述加热元件并联在所述第一连接端和所述第二连接端之间，且所述控制开关接收所述处理芯片的控制信号以处于导通状态或者截止状态；
    其中，当所述控制开关处于截止状态时，所述第一连接端上的电压维持在所述第三电平信号，所述第三电平信号大于所述第二电平信号而小于所述第一电平信号；
    当所述控制开关处于导通状态时，所述第一连接端上的电压拉低至所述第四电平信号，且所述第四电平信号等于所述第二电平信号。
  13. 一种电子雾化装置，其中，包括：
    电池杆，所述电池杆包括上述权利要求1～9任一项所述的电池杆；
    雾化器，所述雾化器包括上述权利要求10～12任一项所述的雾化器。
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