CN112656047A - Electronic cigarette with encryption chip - Google Patents
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- CN112656047A CN112656047A CN202110111741.7A CN202110111741A CN112656047A CN 112656047 A CN112656047 A CN 112656047A CN 202110111741 A CN202110111741 A CN 202110111741A CN 112656047 A CN112656047 A CN 112656047A
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Abstract
The invention discloses an electronic cigarette with an encryption chip, which comprises a control mainboard and an atomizer component, wherein the control mainboard is connected with the atomizer component, the control mainboard comprises a positive and negative intelligent judgment module, a microcontroller and a battery assembly, the positive and negative intelligent judgment module and the battery assembly are respectively electrically connected with the microcontroller so as to intelligently judge the positive and negative electrodes of the atomizer component connected into the control mainboard, and control the normal operation of data and power transmission, the atomizer component comprises an encryption chip and a heating element for heating and atomizing smoke liquid, and the encryption chip is used for communicating with the microcontroller so as to perform encryption and decryption processing and transmit data. According to the electronic cigarette with the encryption chip, the positive and negative intelligent judgment module and the microcontroller are arranged on the control main board, so that the positive and negative electrodes of the atomizer component connected to the control main board are intelligently judged, the normal operation of data and power transmission is controlled, the normal operation of reverse connection can be realized, the encryption chip is arranged on the atomizer component, the authentication and identification of the atomizer are realized, and the safety is high.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette with an encryption chip.
Background
Compared with the traditional cigarette, the novel electronic cigarette has smaller harm to human bodies, is safer and more environment-friendly to use, and the number of smokers who replace the traditional cigarette with the electronic cigarette increases year by year. Electronic cigarettes currently on the market generally comprise two parts: the atomizer subassembly of removable tobacco tar and repeatedly usable's control circuit subassembly. However, the atomizer subassembly of removable tobacco tar can provide differentiation experience for the customer, also for lawless manufacturers provide the opportunity of taking advantage of, and they use the atomizer subassembly of inferior tobacco tar imitation brand electron cigarette producer to low price impact market, not only harms consumer's health, has also brought unsafe factor for the product, also does not do benefit to the maintenance of brand manufacturer to the product simultaneously. Therefore, hardware needs to be upgraded and an encryption identification chip is added to authenticate and identify an atomizer assembly of the electronic cigarette, and a use request of a non-original atomizer is rejected, but the control circuit assembly of the existing electronic cigarette is connected with the atomizer assembly through only two PIN PINs, power supply and communication are realized by means of the two PIN PINs, the anode and the cathode of an interface of the atomizer assembly need to be distinguished when the atomizer assembly is connected into the control circuit assembly, so that abnormal power supply and communication are avoided when reverse connection is realized, and the electronic cigarette cannot be authenticated and used normally.
In view of this, it is necessary to provide an electronic cigarette with an encryption chip so that the front and back access control boards of the nebulizer component can work normally, and the identification and counterfeit authentication of the nebulizer component can be realized effectively by adding the chip.
Disclosure of Invention
The invention aims to solve the technical problem of providing the electronic cigarette with the encryption chip so that the front and the back of the atomizer part can be normally connected to the control mainboard, and the atomizer part can be effectively identified and identified by additionally arranging the chip.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an electron cigarette with encryption chip, includes control mainboard and atomizer part, the control mainboard is connected with the atomizer part, the control mainboard includes positive negative pole intelligence judgement module, microcontroller and battery pack, positive negative pole intelligence judgement module and battery pack are connected with microcontroller electricity respectively to the positive negative pole of the atomizer part of intelligence judgement access control mainboard, control data and power transmission's normal clear, the atomizer part includes encryption chip and is used for heating and the heating element who atomizes tobacco juice, encryption chip be used for with microcontroller communication is in order to carry out encryption and decryption processing and transmission data.
The further technical scheme is as follows: the atomizer part also comprises a second MOS tube, the grid electrode of the second MOS tube is connected with the encryption chip, the source electrode of the second MOS tube is grounded, and the drain electrode of the second MOS tube is connected with one end of the heating element.
The further technical scheme is as follows: the heating element is a heating wire, an atomizer port of the atomizer component is connected with the control mainboard, and the atomizer port comprises two pins which are respectively connected with the other end of the heating wire and a source electrode of the second MOS tube.
The further technical scheme is as follows: the second pin is respectively a first pin and a second pin, the grid electrode of the second MOS tube is connected with the first pin of the encryption chip through a tenth resistor, the drain electrode of the second MOS tube is connected with one end of the heating wire, the source electrode of the second MOS tube is grounded, the other end of the heating wire is connected with the second pin, the first pin is connected with the ground wire end of the encryption chip and is grounded, the sixth pin of the encryption chip is connected with the other end of the heating wire through a twelfth resistor, the digital power supply end of the encryption chip is connected with the grid electrode of the second MOS tube through a fifth capacitor and an eleventh resistor, and one end of the eleventh resistor and one end of the fifth capacitor are grounded.
The further technical scheme is as follows: the control mainboard comprises an atomizer interface, the atomizer interface comprises two pins to be connected with the atomizer port, the positive and negative intelligent judgment modules are connected with the atomizer interface, the positive and negative intelligent judgment modules comprise two judgment circuits, the output end of each judgment circuit is connected with the microcontroller, and the input end of each judgment circuit is connected with one of the pins of the atomizer interface.
The further technical scheme is as follows: each judge the circuit including a first MOS pipe, a third MOS pipe and a fifth resistance, the grid of first MOS pipe and the grid of third MOS pipe respectively with microcontroller connects, the drain electrode of first MOS pipe and the drain electrode of third MOS pipe all with as the input of judging the circuit one of them pin of atomizer interface is connected, the source electrode and the working power supply of first MOS pipe are connected, the source electrode ground connection of third MOS pipe, the one end of fifth resistance connect in between the drain electrode of first MOS pipe and the drain electrode of third MOS pipe, its other end as judge the output of circuit with microcontroller's voltage check end is connected, be connected with a first resistance between the source electrode of first MOS pipe and the drain electrode, be connected with a fourth resistance between the source electrode of first MOS pipe and the grid.
The further technical scheme is as follows: the microcontroller comprises an algorithm checking unit, the algorithm checking unit is connected with the positive and negative intelligent judgment modules and used for generating a random number key and transmitting the random number key to an encryption chip of the atomizer component through the positive and negative intelligent judgment modules, the encryption chip processes the random number key according to the received random number key to generate response information and transmits the response information to the microcontroller through the positive and negative intelligent judgment modules, and the microcontroller checks the received response information.
The further technical scheme is as follows: the electronic cigarette also comprises an indicator light group used for displaying the working state of the electronic cigarette, the indicator light group comprises a first indicator light and a second indicator light, and the microcontroller is connected with the indicator light group to control the electronic cigarette to work.
The further technical scheme is as follows: the electronic cigarette further comprises an MIC, and the microcontroller is connected with the MIC and judges whether smoking action occurs according to signals acquired by the MIC.
The further technical scheme is as follows: the control mainboard further comprises a battery charging management module, and the battery charging management module is connected with the battery assembly to perform charging management on the battery assembly.
The invention has the beneficial technical effects that: according to the electronic cigarette with the encryption chip, the intelligent positive and negative judgment module and the microcontroller are arranged on the control mainboard, so that the positive and negative electrodes of the atomizer component connected to the control mainboard are intelligently judged, the normal operation of data and power transmission is controlled, the problem that the electronic cigarette cannot normally work due to the fact that the atomizer component is reversely connected to the control mainboard is solved, the atomizer component can still normally work even if the atomizer component is reversely connected to the control mainboard, the encryption chip is arranged on the atomizer component, authentication and identification of the atomizer component are achieved, and therefore the use request of a non-original atomizer is rejected, and the electronic cigarette is simple in circuit, low in cost and high in safety.
Drawings
Fig. 1 is a schematic structural diagram of an electronic cigarette with an encryption chip according to the present invention;
fig. 2 is a schematic structural diagram of an electronic cigarette with an encryption chip according to the present invention;
figure 3 is a schematic circuit diagram of the atomizer component of the electronic cigarette with the encryption chip of the present invention;
FIG. 4 is a schematic circuit diagram of the positive and negative intelligent judgment modules of the control main board of the electronic cigarette with the encryption chip according to the present invention;
figure 5 is a schematic circuit diagram of the microcontroller, indicator light set and MIC of the electronic cigarette with the cryptographic chip of the present invention;
figure 6 is a schematic circuit diagram of the battery protection unit of the battery charging management module of the electronic cigarette with the encryption chip according to the present invention;
fig. 7 is a schematic circuit diagram of a battery charging unit of the battery charging management module of the electronic cigarette with the encryption chip according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
Referring to fig. 1, the electronic cigarette with the encryption chip of the present invention includes a control motherboard 10 and an atomizer component 20, the control motherboard 10 is detachably connected to the atomizer component 20, the control motherboard 10 includes an anode and cathode intelligent determination module 11, a microcontroller U1 and a battery pack 12, the anode and cathode intelligent determination module 11 and the battery pack 12 are respectively electrically connected to a microcontroller U1 to intelligently determine the anode and cathode of the atomizer component 20 connected to the control motherboard 10, and control the normal operation of data and power transmission, the atomizer component 20 includes an encryption chip U3 and a heating element 21 for heating and atomizing smoke liquid, and the encryption chip U3 is used for communicating with the microcontroller U1 to perform encryption and decryption processing and transmit data.
The electronic cigarette with the encryption chip is characterized in that the control mainboard 10 is provided with the positive and negative intelligent judgment module 11 and the microcontroller U1, the positive and negative electrodes of the atomizer component 20 connected to the control mainboard 10 are intelligently judged, the normal operation of control data and power transmission is realized, the problem that the electronic cigarette cannot normally work due to the fact that the atomizer component 20 is reversely connected to the control mainboard 10 is avoided, the atomizer component 20 can still normally work even if the atomizer component 20 is reversely connected to the control mainboard 10, the encryption chip U3 is arranged on the atomizer component 20, the authentication identification of the atomizer component 20 is realized, the use request of a non-original atomizer is rejected, and the electronic cigarette is simple in circuit, low in cost and high in safety.
With reference to fig. 2, preferably, the microcontroller U1 includes an algorithm checking unit 101, the algorithm checking unit 101 is connected to the positive and negative intelligent judgment modules 11, and is configured to generate a random number key and transmit the random number key to the encryption chip U3 of the atomizer component 20 through the positive and negative intelligent judgment modules 11, the encryption chip U3 performs processing according to the received random number key to generate response information, and transmits the response information to the microcontroller U1 through the positive and negative intelligent judgment modules 11, and the microcontroller U1 performs checking according to the received response information. The control main board 10 further includes a first switch tube Q7 and a second switch tube Q8, the gate of the first switch tube Q7 is connected with the algorithm checking unit 101 of the microcontroller U1, the source thereof is connected with the working power supply VCC, the drain thereof is connected with the positive and negative intelligent judgment module 11, the gate of the second switch tube Q8 is connected with the algorithm checking unit 101 of the microcontroller U1, the source thereof is grounded, and the drain thereof is connected with the positive and negative intelligent judgment module 11.
Specifically, in this embodiment, the atomizer assembly 20 further includes a second MOS transistor Q2, a gate of the second MOS transistor Q2 is connected to the cryptographic chip U3, a source of the second MOS transistor Q2 is grounded, and a drain of the second MOS transistor Q2 is connected to one end of the heating element 21.
Referring to fig. 3, preferably, in the present embodiment, the heating element 21 is a heating wire L1, the nebulizer port P1 of the nebulizer part 20 is connected to the control main board 10, and the nebulizer port P1 includes two pins respectively connected to the other end of the heating wire L1 and the source of the second MOS transistor Q2.
Specifically, in this embodiment, the two pins are a first pin and a second pin, respectively, a gate of the second MOS transistor Q2 is connected to the first pin of the encryption chip U3 through a tenth resistor R10, a drain of the second MOS transistor Q2 is connected to one end of the heating wire L1, a source of the second MOS transistor Q2 is grounded, the other end of the heating wire L1 is connected to the second pin, the first pin is connected to a ground terminal GND of the encryption chip U3 and is grounded, a sixth pin of the encryption chip U3 is connected to the other end of the heating wire L1 through a twelfth resistor R12, a digital power supply terminal VDD of the encryption chip U3 is connected to the gate of the second MOS transistor Q2 through a fifth capacitor C5 and an eleventh resistor R11, and one ends of the eleventh resistor R11 and the fifth capacitor C5 are grounded. The other end of the fifth capacitor C5 is connected to the digital power supply terminal VDD of the encryption chip U3, one end of the fifth capacitor C5 is connected to one end of the eleventh resistor R11, and the other end of the eleventh resistor R11 is connected to the gate of the second MOS transistor Q2. The other end of the heating wire L1 is used as the positive electrode of the atomizer component 20, the ground terminal GND of the encryption chip U3 is used as the negative electrode of the atomizer component 20, the first pin of the atomizer port P1 is the negative electrode, and the second pin thereof is the positive electrode.
With reference to fig. 4 and 5, the control main board 10 includes an atomizer interface P2, the atomizer interface P2 includes two pins, so as to connect with the two pins of the atomizer port P1, the positive and negative intelligent judgment modules 11 are connected with the atomizer interface P2, the positive and negative intelligent judgment modules 11 include two judgment circuits, an output end of each judgment circuit is connected with the microcontroller U1, and an input end of each judgment circuit is connected with one of the pins of the atomizer interface P2.
Preferably, in this embodiment, the second determining circuit includes a first determining circuit 111a and a second determining circuit 111b, which are respectively connected to the second pin and the first pin of the nebulizer interface P2, accordingly, the first determining circuit 111a includes a first MOS transistor Q1a, a third MOS transistor Q3a and a fifth resistor R5a, the GATE of the first MOS transistor Q1a and the GATE of the third MOS transistor Q3a are respectively connected to the first GATE connection terminal GATE _ V _1 and the third GATE connection terminal GATE _ G _1 of the microcontroller U1, the drain of the first MOS transistor Q1a and the drain of the third MOS transistor Q3a as the input terminals of the first determining circuit 111a are both connected to the second pin of the nebulizer interface P2, the source of the first MOS transistor Q1a is connected to the working power supply, the source of the third MOS transistor Q3 VCC a is connected to the ground, the drain of the fifth MOS transistor Q3R 7375 is connected to the drain of the first MOS transistor Q a, the other end of the first judgment circuit 111a is connected to a first voltage CHECK terminal CHECK1 of the microcontroller U1 as an output terminal of the first judgment circuit 111a, a first resistor R1a is connected between the source and the drain of the first MOS transistor Q1a, and a fourth resistor R4a is connected between the source and the gate of the first MOS transistor Q1 a. The second determining circuit 111b includes a first MOS transistor Q1b, a third MOS transistor Q3b and a fifth resistor R5b, the GATE of the first MOS transistor Q1b and the GATE of the third MOS transistor Q3b are respectively connected to the second GATE connection terminal GATE _ V _2 and the second GATE connection terminal GATE _ G _2 of the microcontroller U1, the drain of the first MOS transistor Q1b and the drain of the third MOS transistor Q3b are both connected to the first pin of the atomizer interface P2 as the input terminal of the second determining circuit 111b, the source of the first MOS transistor Q1b is connected to the operating power VCC, the source of the third MOS transistor Q3b is grounded, one end of the fifth resistor R5b is connected between the drain of the corresponding first MOS transistor Q1b and the drain of the third MOS transistor Q3b, the other end of the fifth resistor R5b is connected to the first source of the microcontroller U111 b and the second GATE detection circuit 12, and the other end of the first transistor Q1 is connected to the first drain detection terminal eck2 of the microcontroller U1, a fourth resistor R4b is connected between the source and the gate of the first MOS transistor Q1 a.
In an initial state, the first MOS transistor Q1a and the third MOS transistor Q3a of the first determination circuit 111a and the first MOS transistor Q1b and the third MOS transistor Q3b of the second determination circuit 111b are both in an off state, and when a smoking action is triggered, the first voltage CHECK terminal CHECK1 and the second voltage CHECK terminal CHECK2 detected by the microcontroller U1 respectively detect the voltages of the fifth resistor R5a of the first determination circuit 111a and the fifth resistor R5b of the second determination circuit 111 b.
When the voltage of one of the judging circuits is low, the judging circuit is connected with the negative electrode of the atomizer component 20, at the moment, the other judging circuit is connected with the positive electrode of the atomizer component 20 to realize the intelligent judgment of the positive electrode and the negative electrode, the microcontroller U1 controls the other judging circuit to transmit a random number key to the atomizer component 20, the encryption chip 20 processes according to the received random number key to generate response information, the response information also has encryption information and is transmitted to the microcontroller through the other judging circuit, the microcontroller U1 carries out decryption verification according to the received response information, when the response information is coincided with the random number key, the atomizer component 20 is a genuine product, and the microcontroller U1 controls the electronic cigarette to normally work; when the response information and the random number key do not coincide with each other, the nebulizer part 20 is a counterfeit product, and the microcontroller U1 controls the electronic cigarette not to be operated. The microcontroller U1 can directly control the corresponding judgment circuit to work according to the judgment results of the anode and the cathode, so that normal power supply and communication can be realized, the atomizer component 20 can normally work even if reversely connected, the structure is simple, excessive control chips and circuit elements do not need to be added, the cost is low, and the safety is high.
With continued reference to fig. 5, in particular, the electronic cigarette further comprises an indicator light set for displaying the working state of the electronic cigarette, wherein the indicator light set comprises a first indicator light D1 and a second indicator light D2, and the microcontroller U1 is connected with the indicator light set to control the working of the indicator light set. The first indicator light D1 and the second indicator light D2 are both light emitting diodes, the corresponding colors can be orange and white respectively, so as to indicate that the electronic cigarette does not work and the electronic cigarette works normally respectively, and thus whether the atomizer component is a genuine product or not is known, and when the atomizer component 20 is a genuine product, the microcontroller U1 sends a control signal to control the second indicator light D2 to light up so as to display that the electronic cigarette can work normally; when the nebulizer part 20 is not genuine, the microcontroller U1 sends a control signal to control the first indicator light D1 to light up to indicate that the electronic cigarette is not working. The anode of the first indicator light D1 is connected to the operating power VCC, the cathode thereof is connected to the fifteenth pin of the microcontroller U1 through the sixth resistor R6, the anode of the second indicator light D2 is connected to the operating power VCC, and the cathode thereof is connected to the sixteenth pin of the microcontroller U1 through the ninth resistor R9.
Preferably, the electronic cigarette further comprises an MIC, and the microcontroller U1 is connected with the MIC to judge whether smoking action occurs according to signals collected by the MIC. The MIC comprises three pins which are respectively connected with a working power supply VCC, ground and a fifth pin of a microcontroller U1. Specifically, the MIC may be disposed around the mouthpiece, detect airflow through the MIC, collect airflow sound signals, perform data analysis processing on the airflow sound signals through the microcontroller U1, determine whether a smoking action occurs according to a level of the processed signals, determine that no smoking action occurs when the processed signals are at a low level, and determine that a smoking action occurs when the processed signals are at a high level, thereby determining the start and end of the smoking action of the user.
With reference to fig. 1, 5, 6 and 7, in particular, the control motherboard 10 further includes a battery charging management module 13, where the battery charging management module 13 is connected to the battery pack 12 to perform charging management on the battery pack 12. The battery charging management module 13 includes a battery protection unit and a battery charging unit, the battery protection unit is connected with the battery assembly 12 through a battery interface P3, the battery interface P3 includes two pins, which are respectively a positive pin and a negative pin, so as to be connected with the positive electrode and the negative electrode of the battery assembly 12, the battery protection unit includes a second chip U2, the second chip U2 adopts a chip whose model is BP6501C, the first pin and the second pin of the second chip U2 are connected with the positive pin of the battery interface P3, the third pin of the second chip U2 is connected with the negative pin of the battery interface P3 and is grounded, the fourth pin of the second chip U2 is connected with a third grounded capacitor C3, and the seventh pin, the eighth pin and the sixth pin of the second chip U2 are all connected with a working power source VCC.
The battery charging unit is connected with the microcontroller U1, the battery charging unit comprises a fourth chip U4, the fourth chip U4 adopts a chip with model number LP4607, the first pin of the fourth chip U4 is a charging enable terminal CHRG _ EN which is connected with the ninth pin of the microcontroller U1, the third pin of the fourth chip U4 is a charging terminal CHRG which is connected with the sixth pin of the microcontroller U1, the sixth pin of the fourth chip U4 is connected with a first grounding resistor R01, the second pin of the fourth chip U4 is grounded, the fifth pin of the fourth chip U4 is connected with an operating power supply VCC, a first grounding capacitor C1 is connected between the fifth pin of the fourth chip U4 and the operating power supply VCC, the fourth pin of the fourth chip U4 is connected with the second pin of the microcontroller U1 through a second resistor R2 connected with a positive voltage source to provide charging power supply connection, the voltage of the positive voltage source is 5V, one end of the second resistor R2 is connected with the positive voltage source, the other end of the second resistor R2 is connected with the second pin of the microcontroller U1, a third grounding resistor R3 is connected between the other end of the second resistor R2 and the second pin of the microcontroller U1 in parallel, the fourth pin of the fourth chip U4 is connected with the positive voltage source, and a second grounding capacitor C2 is connected between the fourth pin of the fourth chip U4 and the positive voltage source in parallel. During the charging process, when the battery assembly 12 is being charged, the charging terminal CHRG generates a high level, and when the charging process is completed and the battery assembly 12 is saturated, the charging terminal CHRG generates a low level, so that the microcontroller U1 can determine the state of the battery assembly 12 according to the level of the received signal.
The digital power supply end VDD of the microcontroller U1 is connected with the working power supply VCC, a fourth grounding capacitor C4 is connected between the digital power supply end VDD of the microcontroller U1 and the working power supply VCC in parallel, and the digital ground end VSS of the microcontroller U1 is grounded.
In summary, the electronic cigarette with the encryption chip of the invention is provided with the positive and negative intelligent judgment module and the microcontroller on the control mainboard, so as to intelligently judge the positive and negative electrodes of the atomizer component connected to the control mainboard, control the normal operation of data and power transmission, avoid the problem that the electronic cigarette cannot normally work due to the fact that the atomizer component is reversely connected to the control mainboard, realize that the electronic cigarette can normally work even if the atomizer component is reversely connected to the control mainboard, and the encryption chip is arranged on the atomizer component, so that the authentication and identification of the atomizer component are realized, thereby rejecting the use request of the non-original atomizer, and the electronic cigarette with the encryption chip is simple in circuit, low in cost and high in safety.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides an electron cigarette with encryption chip, its characterized in that, includes control mainboard and atomizer part, the control mainboard is connected with the atomizer part, the control mainboard includes positive negative pole intelligence judgement module, microcontroller and battery pack, positive negative pole intelligence judgement module and battery pack are connected with microcontroller electricity respectively to the positive negative pole of the atomizer part of intelligence judgement access control mainboard, control data and power transmission's normal clear, the atomizer part is including encrypting the chip and being used for heating and the heating element who atomizes the tobacco juice, encrypt the chip be used for with microcontroller communication is in order to carry out encryption and decryption processing and transmission data.
2. The electronic cigarette with the encryption chip as claimed in claim 1, wherein the atomizer further comprises a second MOS transistor, a gate of the second MOS transistor is connected to the encryption chip, a source thereof is grounded, and a drain thereof is connected to one end of the heating element.
3. The electronic cigarette with the encryption chip of claim 2, wherein the heating element is a heating wire, an atomizer port of the atomizer component is connected with the control mainboard, and the atomizer port comprises two pins which are respectively connected with the other end of the heating wire and a source electrode of the second MOS transistor.
4. The electronic cigarette with the encryption chip as claimed in claim 3, wherein the two pins are a first pin and a second pin, respectively, the gate of the second MOS transistor is connected to the first pin of the encryption chip through a tenth resistor, the drain of the second MOS transistor is connected to one end of the heating wire, the source of the second MOS transistor is grounded, the other end of the heating wire is connected to the second pin, the first pin is connected to the ground terminal of the encryption chip and both are grounded, the sixth pin of the encryption chip is connected to the other end of the heating wire through a twelfth resistor, the digital power source end of the encryption chip is connected to the gate of the second MOS transistor through a fifth capacitor and an eleventh resistor, and both ends of the eleventh resistor and the fifth capacitor are grounded.
5. The electronic cigarette with the encryption chip of claim 3, wherein the control motherboard comprises an atomizer interface, the atomizer interface comprises two pins to connect with the atomizer port, the positive and negative intelligent judgment modules are connected with the atomizer interface, the positive and negative intelligent judgment modules comprise two judgment circuits, an output end of each judgment circuit is connected with the microcontroller, and an input end of each judgment circuit is connected with one of the pins of the atomizer interface.
6. The electronic cigarette with the encryption chip of claim 5, wherein each of the judgment circuits comprises a first MOS transistor, a third MOS transistor and a fifth resistor, the grid electrode of the first MOS tube and the grid electrode of the third MOS tube are respectively connected with the microcontroller, the drain electrode of the first MOS tube and the drain electrode of the third MOS tube are used as input ends of a judging circuit and are connected with one pin of the atomizer interface, the source electrode of the first MOS tube is connected with a working power supply, the source electrode of the third MOS tube is grounded, one end of the fifth resistor is connected in parallel between the drain electrode of the first MOS tube and the drain electrode of the third MOS tube, the other end of the first MOS tube is used as the output end of the judging circuit and connected with the voltage checking end of the microcontroller, a first resistor is connected between the source electrode and the drain electrode of the first MOS tube, and a fourth resistor is connected between the source electrode and the grid electrode of the first MOS tube.
7. The electronic cigarette with the encryption chip of claim 1, wherein the microcontroller comprises an algorithm checking unit, the algorithm checking unit is connected with the positive and negative intelligent judgment modules and is used for generating a random number key and transmitting the random number key to the encryption chip of the atomizer component through the positive and negative intelligent judgment modules, the encryption chip processes the random number key according to the received random number key to generate response information and transmits the response information to the microcontroller through the positive and negative intelligent judgment modules, and the microcontroller checks the response information according to the received response information.
8. The electronic cigarette with the encryption chip of claim 1, further comprising an indicator light set for displaying the working state of the electronic cigarette, wherein the indicator light set comprises a first indicator light and a second indicator light, and the microcontroller is connected with the indicator light set to control the working of the indicator light set.
9. The electronic cigarette with the cryptographic chip of claim 1, wherein the electronic cigarette further comprises a MIC, and the microcontroller is connected with the MIC to determine whether smoking occurs according to a signal collected by the MIC.
10. The electronic cigarette with the cryptographic chip of claim 1, wherein the control motherboard further comprises a battery charging management module, the battery charging management module being connected to the battery pack for charging management thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110111741.7A CN112656047A (en) | 2021-01-27 | 2021-01-27 | Electronic cigarette with encryption chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110111741.7A CN112656047A (en) | 2021-01-27 | 2021-01-27 | Electronic cigarette with encryption chip |
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| CN112656047A true CN112656047A (en) | 2021-04-16 |
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| CN202110111741.7A Pending CN112656047A (en) | 2021-01-27 | 2021-01-27 | Electronic cigarette with encryption chip |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508932A (en) * | 2021-07-06 | 2021-10-19 | 深圳市太美亚电子科技有限公司 | Cigarette cartridge power switching circuit and method and electronic cigarette |
| CN113841929A (en) * | 2021-10-14 | 2021-12-28 | 深圳赫飞物联科技有限公司 | Circuit and method capable of realizing single-line authentication of master and slave components of electronic cigarette |
| WO2023045587A1 (en) * | 2021-09-23 | 2023-03-30 | 常州市派腾电子技术服务有限公司 | Cartridge encryption and detection circuit and aerosol generating device |
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2021
- 2021-01-27 CN CN202110111741.7A patent/CN112656047A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508932A (en) * | 2021-07-06 | 2021-10-19 | 深圳市太美亚电子科技有限公司 | Cigarette cartridge power switching circuit and method and electronic cigarette |
| CN113508932B (en) * | 2021-07-06 | 2024-03-26 | 深圳市太美亚电子科技有限公司 | Cartridge power switching circuit and method and electronic cigarette |
| WO2023045587A1 (en) * | 2021-09-23 | 2023-03-30 | 常州市派腾电子技术服务有限公司 | Cartridge encryption and detection circuit and aerosol generating device |
| CN113841929A (en) * | 2021-10-14 | 2021-12-28 | 深圳赫飞物联科技有限公司 | Circuit and method capable of realizing single-line authentication of master and slave components of electronic cigarette |
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