CN211721886U - Electronic cigarette cartridge recognition system and electronic cigarette - Google Patents
Electronic cigarette cartridge recognition system and electronic cigarette Download PDFInfo
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- CN211721886U CN211721886U CN201922145075.XU CN201922145075U CN211721886U CN 211721886 U CN211721886 U CN 211721886U CN 201922145075 U CN201922145075 U CN 201922145075U CN 211721886 U CN211721886 U CN 211721886U
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Abstract
The utility model discloses an electron cigarette bullet identification system and electron cigarette, wherein this system includes: a heater strip disposed in the cartridge; the storage chip is arranged in the cigarette cartridge and used for storing preset cigarette cartridge information; the control chip is arranged on the machine body; the contact module sets up in the butt joint face department that cigarette bullet and fuselage butt joint formed, and the contact module includes: the control chip is connected with the storage chip through the storage contact group; the heating wire contact group, the control chip is connected with the heating wire through the heating wire to form a heating circuit, and the GND interface of the storage chip is connected into the heating circuit to realize that the grounding heating wire contact group and the storage contact group are respectively arranged at the contact positions on the smoke bomb and the machine body to enable the circuits to be conducted when in forward/reverse connection. The utility model discloses support the positive and negative two of cigarette bullet to insert, it has stored cigarette bullet information, and control chip can read and discern these information when the cigarette bullet inserts the fuselage, uses poor quality or overdue cigarette bullet when preventing that the user from smoking.
Description
Technical Field
The utility model relates to an electron cigarette technical field, in particular to electron cigarette bullet identification system and electron cigarette.
Background
Nowadays, electronic cigarettes have been created worldwide, in particular, tobacco-smoke type electronic cigarettes. Compared with the traditional tobacco, the tobacco smoke-free tobacco has the advantages of containing less harmful substances, having no unpleasant smell, containing no tar, being free from open fire and ash, being convenient to use, reducing the harm of smoking to the body and the like.
The electronic cigarette with the replaceable cigarette cartridge can be the most common electronic cigarette in the market and is most popular with consumers, the cigarette oil is stored in the cigarette cartridge, and the electronic cigarette needs to be replaced with a new cigarette cartridge after the cigarette oil in the cigarette cartridge is consumed, so that the use experience of the electronic cigarette is directly influenced by the quality of the cigarette cartridge, and the working circuit of the electronic cigarette is shown in fig. 1.
Some illegal merchants can imitate the smoke cartridges of regular manufacturers to be sold in the market, the quality of the smoke cartridges cannot be guaranteed, the electronic cigarette can be damaged, and more seriously, the smoke oil which does not accord with relevant standards in the electronic cigarette and the electric devices which cannot be effectively atomized cannot reduce the harm caused by smoking and can also cause great harm to the health of a human body. In addition, the tobacco tar in the cartridge has a certain shelf life, the smoking of the expired smoke can also cause harm to the body, some illegal merchants can recycle the expired cartridge for re-packaging, and consumers cannot recognize the expired cartridge through observation at all.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses an electron cigarette bullet identification system and electron cigarette, the control chip of electron cigarette fuselage reads the cigarette bullet information of predetermineeing in the cigarette bullet storage chip before the use, and then discerns this cigarette bullet to distinguish the true and false.
The utility model discloses an electron cigarette bullet identification system, include:
the heating wire is arranged in a cartridge of the electronic cigarette and is used for atomizing tobacco tar;
the storage chip is arranged in the cigarette cartridge and used for storing preset cigarette cartridge information;
the control chip is arranged on the body of the electronic cigarette and used for reading and identifying the information of the cigarette cartridge and controlling the heating wire;
the contact module, the setting is in the detachable the cigarette bullet with the butt joint face department that the fuselage butt joint formed, wherein, the contact module includes:
the control chip is connected with the storage chip through the memory contact group to form a reading circuit for reading the information of the cartridge;
the control chip is connected with the heating wire through the heating wire contact group to form a heating circuit for controlling the heating wire; the GND interface of the memory chip is connected to the heating circuit through the heating wire contact group to complete grounding;
the heating wire contact group and the storage contact group are respectively arranged at the contact positions of the smoke cartridge and the machine body, so that the smoke cartridge and the machine body can be electrically conducted by the reading circuit and the heating circuit when in forward connection and reverse connection.
Further, the heating wire contact group includes: the first heating joint and the second heating joint are connected with two different IO interfaces in the control chip, and the third heating joint and the fourth heating joint are connected with two ends of the heating wire, wherein the first heating joint is connected with the third heating joint or the fourth heating joint, and the second heating joint is connected with the fourth heating joint or the third heating joint to form the heating circuit;
the memory contact set includes: the first signal contact is connected with the IO interface of the control chip, and the second signal contact is connected with the IO interface of the storage chip; wherein the first signal contact is connected to the second signal contact to form the read circuit.
Furthermore, the first signal contact and the second signal contact in the memory contact group are respectively arranged at the center position of the butting surface on the side where the first signal contact and the second signal contact are arranged.
Furthermore, on the machine body, the first heating contact and the second heating contact are symmetrically arranged on two sides of the first signal contact;
on the cigarette bullet, the third heating contact and the fourth heating contact are symmetrically arranged at two sides of the second signal contact;
the distance between the first heating contact/the second heating contact and the first signal contact is equal to the distance between the third heating contact/the fourth heating contact and the second signal contact.
Further, the heating wire contact group includes: the first heating joint and the second heating joint are connected with two different IO interfaces in the control chip, and the third heating joint and the fourth heating joint are connected with two ends of the heating wire, wherein the first heating joint is connected with the third heating joint or the fourth heating joint, and the second heating joint is connected with the fourth heating joint or the third heating joint to form the heating circuit;
the memory contact set includes: the first signal contact is connected with the IO interface of the control chip, and the second signal contact and the third signal contact are connected with the IO interface of the storage chip;
the first signal contact is connected with the second signal contact or a third signal contact, and when the first signal contact is connected with the second signal contact, the third signal contact is idle so as to form the reading circuit; when the first signal contact is connected with the third signal contact, the second signal contact is idle to form the reading circuit.
Further, the second signal contact and the third signal contact in the memory contact group are in central symmetry with respect to the center of the butting face on the side where the second signal contact and the third signal contact are located;
on the machine body, the first heating contact and the second heating contact are centrosymmetric about the center of the butt joint surface on the side where the first heating contact and the second heating contact are located;
on the cigarette bullet, the third heating joint and the fourth heating joint are centrosymmetric about the center of the butt joint surface on the side where the third heating joint and the fourth heating joint are located;
the distance between the first heating contact/the second heating contact and the center of the butt joint surface on the side where the first heating contact/the second heating contact is located is equal to the distance between the third heating contact/the fourth heating contact and the center of the butt joint surface on the side where the third heating contact/the fourth heating contact is located.
Further, the heating circuit is provided with:
the first field effect transistor switch is connected with the first heating contact through the control chip, and the source electrode of the first field effect transistor switch is connected with a power supply;
a second field effect transistor switch, through which the control chip is connected to the second heating contact, and the source of which is grounded;
the storage chip is provided with a GND interface connected with the third heating joint or the fourth heating joint and used for being connected with the first field effect transistor switch or the second field effect transistor switch through the heating wire joint group.
Further, when the cartridge is docked with the body, the first field effect transistor switch is turned off, and the second field effect transistor switch is turned on, so that the GND interface of the memory chip is short-circuited to the ground.
Further, when the heating wire heats, the control chip IO interface connected to the first signal contact is set to a high resistance state for preventing the storage chip from being damaged.
Furthermore, the control chip is also connected with a multimedia module for feeding back the information of the cigarette cartridge read by the control chip to a user in a sound production and/or light emitting mode.
Furthermore, the control chip is connected with a storage unit for storing the read information of the cigarette cartridge.
The utility model also discloses an electron cigarette is equipped with electron cigarette bullet identification system as above-mentioned each embodiment.
The utility model discloses following beneficial effect has at least:
the utility model discloses an electron cigarette has interchangeable cigarette bullet, is equipped with the storage chip that presets when dispatching from the factory in the cigarette bullet, and it has the cigarette bullet information of unchangeable to store, include: the control chip can read and identify information such as delivery date, anti-counterfeiting code, manufacturer code, shelf life and the like when the cigarette cartridge is inserted into or butted with the machine body, so that the user is prevented from using inferior or overdue cigarette cartridges when smoking. Furthermore, the utility model discloses a contact sets up according to the structure that the aforesaid is disclosed in each contact group, consequently no matter the cigarette bullet just inserts or inserts the atomizing control that can both realize the discernment of cigarette bullet information and heater strip backward, and the in-service use is very convenient, has outstanding user experience.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
figure 1 is a schematic circuit diagram of a prior art electronic cigarette;
fig. 2 is a schematic circuit diagram of an electronic cigarette according to an embodiment of the present invention;
fig. 3 is a circuit structure diagram of the electronic cigarette with the cigarette cartridge being inserted according to the embodiment of the present invention;
fig. 4 is a circuit structure diagram of the electronic cigarette with a reverse insertion of the cigarette cartridge according to the embodiment of the present invention;
FIG. 5 is an elevation view of a fuselage side interface according to an embodiment of the present invention;
FIG. 6 is an elevation view of a cartridge side interface according to an embodiment of the present invention;
FIG. 7 is a diagram showing the position relationship between the butt joint surfaces of the body and the two sides of the cartridge according to the embodiment of the present invention;
fig. 8 is another circuit structure diagram of the electronic cigarette with the cartridge being inserted according to the embodiment of the present invention.
Description of reference numerals:
101-first heating contact 102-second heating contact
103-third heating junction 104-fourth heating junction
201-first signal contact 202-second signal contact
3-body 4-cartridge
5-interface 6-contact module
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description herein is only intended to illustrate and explain embodiments of the present invention, and is not intended to limit embodiments of the present invention.
As shown in fig. 2, fig. 3, fig. 4 and fig. 7, the utility model discloses an electronic cigarette cartridge recognition system, mainly includes the following several parts:
(1) the heating wire is arranged in the pluggable smoke cartridge 4 of the electronic cigarette and is used for atomizing tobacco tar in the smoke cartridge 4.
(2) The storage chip is arranged in the cigarette cartridge 4, preset cigarette cartridge information is stored in the storage chip, a user can not change the cigarette cartridge information by himself, the cigarette cartridge information in the storage chip is set before the product leaves a factory, and specifically can comprise the tobacco tar taste, the content of butyl salt, the production batch, the quality guarantee period, the product serial number, the safety code, the encryption code, the individual identification code, the supplier code, the manufacturer code, the production place and the like, and the cigarette cartridge information can be read by the control chip.
(3) Set up in control chip on the fuselage 3 of electron cigarette is used for reading cigarette bullet information, later can feed back cigarette bullet information to the user through multimedia equipment such as screen, stereo set that set up on the fuselage 3 to the user judges the truth of cigarette bullet 4 by oneself, and is preferred, and control chip appraises the cigarette bullet information of reading by oneself according to the appraisal rule that sets up in advance, and to the direct feedback appraisal result of user, and it is more convenient that in-service use. The control chip is also used for controlling the heating wires, when smoking, the control chip controls the heating wires to heat the tobacco tar, and the evaporated tobacco tar forms smoke after being condensed so as to be sucked by people. Preferably, the heating wire can be controlled to heat only when the control chip identifies that the information of the cigarette cartridge meets the preset standard, so that the poor-quality smoke is prevented from being inhaled by a user by mistake.
(4) And the contact module 6 is arranged at a butting surface 5 formed by butting the detachable cartridge 4 and the body 3, and the body 3 and the cartridge 4 of the electronic cigarette are detachably connected, so that electrical components of the two are required to be electrically connected through the contact module 6. Wherein the contact module 6 comprises: a memory contact group and a heating wire contact group. The control chip is connected with the storage chip through the storage contact group so as to read the information of the smoke cartridge in the storage chip by the control chip; the control chip is connected with the heating wire through the heating wire contact group to form a heating circuit for controlling the heating wire, so that the control chip controls the atomizing process of the heating wire.
The heating wire contact group and the storage contact group are respectively arranged at the contact positions of the smoke cartridge and the machine body, so that the smoke cartridge and the machine body can be electrically conducted by the reading circuit and the heating circuit when in forward connection and reverse connection. For example, when the cartridge 4 or the body 3 is connected, the heater strip contact group and each contact in the memory contact group are correspondingly connected, so that the reading circuit and the heating circuit are electrically conducted; if the cigarette bullet 4 or the machine body 3 is respectively butted after being turned over by 180 degrees by taking the axis thereof as the center, the butt joint structure of the machine body 3 and the cigarette bullet 4 is in reverse connection, the heating wire contact group and the memory contact group can still respectively realize corresponding electrical connection, and the reading circuit is electrically conducted with the heating circuit in the same way. Namely, before and after the body 3/the cigarette cartridge 4 is turned over, the relative positions of all contact groups on the butt joint surface 5 are always unchanged, and the reading of the cigarette cartridge information and the control of the heating wire can be realized no matter whether the cigarette cartridge 4 is inserted (connected positively) or inserted (connected reversely) through the structure.
For current electron cigarette product, the utility model discloses an electron cigarette has interchangeable cigarette bullet 4, is equipped with the storage chip that presets when dispatching from the factory in the cigarette bullet 4, and it has stored unchangeable cigarette bullet information, and control chip can read and discern these information when cigarette bullet 4 inserts/docks fuselage 3, uses inferior quality or overdue cigarette bullet 4 when preventing that the user from smoking. Furthermore, the utility model discloses an each contact group all supports the upset butt joint, consequently no matter the cigarette bullet 4 is just inserting or is inserting the atomizing control that can both realize the discernment of cigarette bullet information and heater strip backward, and the in-service use is very convenient, has outstanding user experience.
In some embodiments of the present invention, as shown in fig. 5, 6 and 7, the heating wire contact set includes: the heating wire comprises a first heating joint 101 and a second heating joint 102 which are connected with two different IO interfaces in the control chip, and a third heating joint 103 and a fourth heating joint 104 which are connected with two ends of the heating wire. The first heating contact 101 is connected to the third heating contact 103 or the fourth heating contact 104, and the second heating contact 102 is connected to the fourth heating contact 104 or the third heating contact 103, so as to form the heating circuit, for example, when the plug is inserted, the first heating contact 101 is connected to the third heating contact 103, and the second heating contact 102 is connected to the fourth heating contact 104, so as to form a circuit as shown in fig. 3 and 7; in the reverse insertion, the first heating contact 101 is connected to the fourth heating contact 104, and the second heating contact 102 is connected to the third heating contact 103, so that the circuit is as shown in fig. 4.
The memory contact set includes: the memory chip comprises a first signal contact 201 connected with the IO interface of the control chip and a second signal contact 202 connected with the IO interface of the memory chip. Wherein the first signal contact is connected to the second signal contact to form the read circuit.
In some embodiments of the present invention, as shown in fig. 3 and 4, the heating circuit has: a first fet switch (Q1), through which the control chip is connected to the first heater contact 101, and the source of which is connected to a power supply; and a second fet switch (Q2) through which the control chip is connected to the second heater contact 102, the source of the second fet switch being grounded. In addition, according to the prior art, in order to ensure the normal operation of the first fet switch and the second fet switch, the gates thereof are connected to the IO interface of the control chip, and the drains thereof are connected to the set of heater strip contacts.
Can adopt current mode to realize the short circuit to ground, preferred to memory chip's GND interface, the utility model also discloses a circuit structure as follows: the memory chip is provided with a GND interface connected to the third heating contact 103 or the fourth heating contact 104, and is used for being connected to the first fet switch or the second fet switch through the heating wire contact group.
As shown in fig. 3, when the cartridge 4 is being inserted into the device, a signal pin (IO interface) of an EEPROM (memory chip) in the cartridge 4 is connected to an IO interface of a control chip (MCU); the ground pin (GND interface) of the memory chip in the cartridge 4 is connected with a second field effect transistor switch Q2 in the body 3, and Q2 can realize a switch function to the ground; as shown in fig. 4, when the cartridge 4 is reversely inserted into the device, the signal pin of the EEPROM in the cartridge 4 is connected to the IO interface of the control chip; the ground pin (GND) of the EEPROM in the cartridge 4 is connected to a first fet switch Q1 in the device, and Q1 may perform a switching function for the power supply (VDD). In this embodiment, the heating circuit is further provided with a pull-up resistor and a pull-down resistor, two ends of the pull-up resistor are respectively connected with the source and the gate of Q1, and an uncertain signal (high or low level) is connected with a power supply VCC through a resistor and fixed at high level; the two ends of the pull-down resistor are respectively connected with the source and the gate of the Q2, an uncertain signal (high or low level) is connected with the ground GND through a resistor and is fixed at the low level. The pull-up and pull-down resistors are commonly used circuit structures in the field, and are not described in detail in this embodiment.
If a cartridge 4 is inserted, the control chip will cause the first fet switch Q1 to be in the off state and the second fet switch Q2 to be in the on state (i.e., even if the cartridge 4 is partially shorted to ground). The resistance of the heating wire inside the cartridge 4 is very small, usually only about 1 ohm, so that the conduction to the ground is not affected. Namely, the GND interface of the memory chip inside the cartridge 4 is in a short circuit state to ground no matter in the forward insertion state or the reverse insertion state.
In some embodiments of the present invention, when the heating wire is heated, the first signal contact 201 is connected to the control chip IO interface, which is set to be in a high resistance state for preventing the storage chip from being damaged.
In some embodiments of the utility model, 4 sides of cigarette bullet and 3 butt joint faces 5 of side of fuselage are identical, have the same shape and size, butt joint face 5 is preferably shape such as strip shape face, oval face, can be convenient for the user accurately master the inserted position, because only one signal contact on the butt joint face 5 of each side, so memory contact group can set up in the center of butt joint face 5, first signal contact and second signal contact are located the central point of the butt joint face of side respectively promptly.
The utility model also discloses another kind of circuit structure who supports positive and negative connecing, as shown in fig. 8, heater strip contact group includes: and with first heating contact and second heating contact, with third heating contact and fourth heating contact that heater strip both ends are connected of two different IO interface connections in the control chip, wherein, first heating contact with third heating contact or fourth heating contact are connected, and the second heating contact with fourth heating contact or third heating contact are connected, in order to constitute heating circuit. The memory contact set includes: the first signal contact, designated P in fig. 8, which is connected to the IO interface of the control chip is not located at the center point on the docking surface 5 on the side of the body 3. The memory contact group has two contacts which are respectively indicated as P1 (second signal contact) and P2 (third signal contact) and are connected with the IO interface of the EEPROM, when the machine body 3 is butted with the smoke cartridge 5, one of the P1 or the P2 can be connected with the P, the other contact is idle, and the positive insertion and the reverse insertion of the smoke cartridge 4 can be supported through the structure. Specifically, P1 and P2 are symmetrically arranged on two sides of the center position of the butting face 5, and the distance between the contact point P1/P2 and the center position is equal to the distance between the contact point P and the center position.
Preferably, to realize the circuit configuration of fig. 8, the contact arrangement structure of each contact group is as follows: the second signal contact and the third signal contact in the memory contact group are in central symmetry with respect to the center of the butting surface on the side where the second signal contact and the third signal contact are located; on the machine body, the first heating contact and the second heating contact are centrosymmetric about the center of the butt joint surface on the side where the first heating contact and the second heating contact are located; on the cigarette bullet, the third heating joint and the fourth heating joint are centrosymmetric about the center of the butt joint surface on the side where the third heating joint and the fourth heating joint are located; the distance between the first heating contact/the second heating contact and the center of the butt joint surface on the side where the first heating contact/the second heating contact is located is equal to the distance between the third heating contact/the fourth heating contact and the center of the butt joint surface on the side where the third heating contact/the fourth heating contact is located. Based on the arrangement of the centrosymmetric contacts, under the condition that the heating wire contact group and the memory contact group are electrically connected, the smoke cartridge 4 or the machine body 3 is reversely connected (reversely inserted) by rotating 180 degrees (turning) around the central line (a straight line vertically passing through the central position of the butt joint surface) of the smoke cartridge as the center, the heating wire contact group and the memory contact group can still respectively realize corresponding electrical connection in the butt joint state, and the reading circuit is electrically conducted with the heating circuit in the same way. Therefore, the structure disclosed by the embodiment ensures that the information of the cigarette cartridge 4 can be read and the heating wire can be controlled no matter the cigarette cartridge is inserted in the forward direction or in the reverse direction.
As shown in fig. 5, the first heating contact 101, the first signal contact 201, and the second heating contact 102 are arranged at equal distances on the mating surface 5 on the side of the body 3, so that when the body 3 is rotated by 180 ° for reverse insertion, the first signal contact 201 is not positioned, and the first heating contact 101 and the second heating contact 102 are positioned upside down, but the contact module 6 can still form the heating circuit. As shown in fig. 6, the positions of the contacts on the abutting surface 5 on the cartridge 4 side should correspond to the positions of the contacts on the body 3 side in order to complete the electrical connection, i.e., the third heating contact 103, the second signal contact 202 and the fourth heating contact 104 are arranged at equal distances so that when the body 3/cartridge 4 is rotated by 180 ° for reverse insertion, the position of the second signal contact 202 is not changed, and the positions of the third heating contact 103 and the fourth heating contact 104 are reversed, but the heating circuit can still be formed by the contact module 6. Each contact in the contact module 6 can adopt Pogo Pin (Pogo Pin), which is convenient to disassemble.
The utility model discloses an in some embodiments, control chip still even has multimedia module, is used for according to control chip reads cigarette bullet information is fed back to the user through sound production and/or luminous, and help the user to master the truth and falsity of understanding cigarette bullet 4, for example, shows through the display screen cigarette bullet information plays cigarette bullet information through audio device.
The utility model discloses an in some embodiments, control chip even has memory cell for the save read the cigarette bullet information.
The utility model discloses an electron cigarette bullet identification system's an preferred implementation flow as follows:
before the cartridge 4 is inserted, the machine body 3 does not perform any operation, after the cartridge 4 is inserted forwards/backwards, the control chip can enable the Q1 to be in an off state, the Q2 is in an on state, the GND (ground) of a memory (a memory chip) inside the cartridge 4 is in a short circuit state, then a signal pin (IO interface) of the control chip firstly supplies power to the memory chip connected with a team through the memory, then the information inside the EEPROM can be read by using a standard single-wire protocol (SWP), and the information of the cartridge 4 is stored on the machine body 3.
The utility model also discloses an electron cigarette is equipped with electron cigarette bullet identification system as above-mentioned each embodiment.
The above describes in detail optional implementation manners of embodiments of the present invention with reference to the accompanying drawings, however, the embodiments of the present invention are not limited to the details in the above implementation manners, and in the technical concept scope of the embodiments of the present invention, it is possible to perform various simple modifications on the technical solutions of the embodiments of the present invention, and these simple modifications all belong to the protection scope of the embodiments of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the embodiments of the present invention do not separately describe various possible combinations.
Those skilled in the art will understand that all or part of the steps in the method according to the above embodiments may be implemented by a program, which is stored in a storage medium and includes several instructions to enable a single chip, a chip, or a processor (processor) to execute all or part of the steps in the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In addition, various different implementation manners of the embodiments of the present invention can be combined arbitrarily, and as long as it does not violate the idea of the embodiments of the present invention, it should be considered as the disclosure of the embodiments of the present invention.
Claims (12)
1. An electronic cigarette cartridge recognition system, comprising:
the heating wire is arranged in a cartridge of the electronic cigarette and is used for atomizing tobacco tar;
the storage chip is arranged in the cigarette cartridge and used for storing preset cigarette cartridge information;
the control chip is arranged on the body of the electronic cigarette and used for reading and identifying the information of the cigarette cartridge and controlling the heating wire;
the contact module, the setting is in the detachable the cigarette bullet with the butt joint face department that the fuselage butt joint formed, wherein, the contact module includes:
the control chip is connected with the storage chip through the memory contact group to form a reading circuit for reading the information of the cartridge;
the control chip is connected with the heating wire through the heating wire contact group to form a heating circuit for controlling the heating wire; the GND interface of the memory chip is connected to the heating circuit through the heating wire contact group to complete grounding;
the heating wire contact group and the storage contact group are respectively arranged at the contact positions of the smoke cartridge and the machine body, so that the smoke cartridge and the machine body can be electrically conducted by the reading circuit and the heating circuit when in forward connection and reverse connection.
2. The electronic cigarette cartridge identification system of claim 1, wherein the set of heater wire contacts comprises: the first heating joint and the second heating joint are connected with two different IO interfaces in the control chip, and the third heating joint and the fourth heating joint are connected with two ends of the heating wire, wherein the first heating joint is connected with the third heating joint or the fourth heating joint, and the second heating joint is connected with the fourth heating joint or the third heating joint to form the heating circuit;
the memory contact set includes: the first signal contact is connected with the IO interface of the control chip, and the second signal contact is connected with the IO interface of the storage chip; wherein the first signal contact is connected to the second signal contact to form the read circuit.
3. The e-cartridge identification system of claim 2, wherein the first and second signal contacts of the set of memory contacts are each disposed in a central location of the interface on the side on which they are disposed.
4. The e-cartridge identification system of claim 3, wherein the first and second heating contacts are symmetrically disposed on the body on opposite sides of the first signal contact;
on the cigarette bullet, the third heating contact and the fourth heating contact are symmetrically arranged at two sides of the second signal contact;
the distance between the first heating contact/the second heating contact and the first signal contact is equal to the distance between the third heating contact/the fourth heating contact and the second signal contact.
5. The electronic cigarette cartridge identification system of claim 1, wherein the set of heater wire contacts comprises: the first heating joint and the second heating joint are connected with two different IO interfaces in the control chip, and the third heating joint and the fourth heating joint are connected with two ends of the heating wire, wherein the first heating joint is connected with the third heating joint or the fourth heating joint, and the second heating joint is connected with the fourth heating joint or the third heating joint to form the heating circuit;
the memory contact set includes: the first signal contact is connected with the IO interface of the control chip, and the second signal contact and the third signal contact are connected with the IO interface of the storage chip;
the first signal contact is connected with the second signal contact or a third signal contact, and when the first signal contact is connected with the second signal contact, the third signal contact is idle so as to form the reading circuit; when the first signal contact is connected with the third signal contact, the second signal contact is idle to form the reading circuit.
6. The electronic cigarette cartridge recognition system of claim 5,
the second signal contact and the third signal contact in the memory contact group are in central symmetry with respect to the center of the butting surface on the side where the second signal contact and the third signal contact are located;
on the machine body, the first heating contact and the second heating contact are centrosymmetric about the center of the butt joint surface on the side where the first heating contact and the second heating contact are located;
on the cigarette bullet, the third heating joint and the fourth heating joint are centrosymmetric about the center of the butt joint surface on the side where the third heating joint and the fourth heating joint are located;
the distance between the first heating contact/the second heating contact and the center of the butt joint surface on the side where the first heating contact/the second heating contact is located is equal to the distance between the third heating contact/the fourth heating contact and the center of the butt joint surface on the side where the third heating contact/the fourth heating contact is located.
7. The electronic cigarette cartridge recognition system of claim 2 or 5, wherein the heating circuit has disposed therein:
the first field effect transistor switch is connected with the first heating contact through the control chip, and the source electrode of the first field effect transistor switch is connected with a power supply;
a second field effect transistor switch, through which the control chip is connected to the second heating contact, and the source of which is grounded;
the storage chip is provided with a GND interface connected with the third heating joint or the fourth heating joint and used for being connected with the first field effect transistor switch or the second field effect transistor switch through the heating wire joint group.
8. The electronic cigarette cartridge recognition system of claim 7, wherein when the cartridge is docked with the body, the first fet switch is off and the second fet switch is on, shorting the GND interface of the memory chip to ground.
9. The electronic cartridge identification system according to claim 2 or 5, wherein the control chip IO interface to which the first signal contact is connected is set to a high impedance state for preventing damage to the storage chip when the heating wire is heating.
10. The electronic cigarette cartridge recognition system of claim 1, wherein the control chip is further connected with a multimedia module for feeding back the cartridge information read by the control chip to a user in a form of sound and/or light emission.
11. The electronic cigarette cartridge recognition system of claim 1, wherein the control chip is connected to a storage unit for storing the read information of the cartridge.
12. An electronic cigarette, characterized in that an electronic cigarette cartridge recognition system according to any one of claims 1 to 11 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145075.XU CN211721886U (en) | 2019-12-03 | 2019-12-03 | Electronic cigarette cartridge recognition system and electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145075.XU CN211721886U (en) | 2019-12-03 | 2019-12-03 | Electronic cigarette cartridge recognition system and electronic cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211721886U true CN211721886U (en) | 2020-10-23 |
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| CN201922145075.XU Active CN211721886U (en) | 2019-12-03 | 2019-12-03 | Electronic cigarette cartridge recognition system and electronic cigarette |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214183U1 (en) * | 2022-08-23 | 2022-10-14 | Плонк Дмсс | CARTRIDGE FOR ELECTRONIC CIGARETTE WITH IDENTIFICATION SYSTEM |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU214183U1 (en) * | 2022-08-23 | 2022-10-14 | Плонк Дмсс | CARTRIDGE FOR ELECTRONIC CIGARETTE WITH IDENTIFICATION SYSTEM |
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