CN110367594B - Single-wire communication circuit and method for acquiring tobacco tar information and electronic cigarette - Google Patents
Single-wire communication circuit and method for acquiring tobacco tar information and electronic cigarette Download PDFInfo
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- CN110367594B CN110367594B CN201910645590.6A CN201910645590A CN110367594B CN 110367594 B CN110367594 B CN 110367594B CN 201910645590 A CN201910645590 A CN 201910645590A CN 110367594 B CN110367594 B CN 110367594B
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 17
- 230000004044 response Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 4
- 230000007175 bidirectional communication Effects 0.000 claims 1
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- 238000013500 data storage Methods 0.000 abstract description 10
- 239000000306 component Substances 0.000 description 12
- 235000019504 cigarettes Nutrition 0.000 description 8
- 230000002265 prevention Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
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- 239000007788 liquid Substances 0.000 description 4
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- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Abstract
The invention discloses a single-wire communication circuit, a method and an electronic cigarette for acquiring tobacco tar information, which comprise a battery main controller arranged in a battery assembly and an atomizer main controller arranged in an atomizer, wherein a data memory for storing the tobacco tar information is arranged in the atomizer main controller, and a communication end for acquiring the tobacco tar information by single-wire communication with the battery main controller is arranged on the data memory. By implementing the invention, the battery component reads the tobacco tar component data information in the data storage, and can adaptively output proper parameters according to the tobacco tar component to meet the best taste experience.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to a single-wire communication circuit and method for acquiring tobacco tar information and an electronic cigarette.
Background
The atomizer is a key accessory of the portable small-smoke electronic cigarette, and an oil storage tank and a heating unit are arranged in the accessory. Manufacturers typically pre-load tobacco tar into the atomizer when selling the atomizer. The atomizer is preloaded with information such as taste, capacity, shelf life, working condition and the like of tobacco tar, and is usually marked on a package or a specification, so that the atomizer has the disadvantage that after being purchased by a user, the atomizer is packaged on an electronic cigarette battery host for use, and the electronic cigarette battery host cannot recognize the information of the atomizer.
Disclosure of Invention
The invention aims to solve the technical problem that an electronic cigarette battery host cannot identify atomizer information in the prior art, and provides a single-wire communication circuit and method for acquiring tobacco tar information and an electronic cigarette.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a single line communication circuit for acquireing tobacco tar information, includes the battery master controller that sets up in battery pack and sets up the atomizer master controller in the atomizer, be equipped with the data storage who is used for storing tobacco tar information in the atomizer master controller, be equipped with on the data storage be used for with battery master controller carries out single line communication and acquires the communication end of tobacco tar information.
Preferably, in the single-wire communication circuit for acquiring tobacco tar information of the present invention, the battery main controller and the atomizer main controller are both MCUs; the data memory is an EEPROM.
Preferably, in the single-wire communication circuit for acquiring tobacco tar information according to the present invention, the atomizer master controller is further provided with a power supply terminal for supplying power to the atomizer master controller through the battery master controller.
Preferably, in the single-wire communication circuit for acquiring tobacco tar information according to the present invention, the EEPROM includes: EEPROM chip U1, first resistance R1, second resistance R2, third resistance R3, fourth resistance R4, fifth resistance R5, first light emitting diode D1, second light emitting diode D2, third light emitting diode D3, fourth light emitting diode D4 and electric capacity C1;
the first end of the first resistor R1 and the first end of the second resistor R2 are connected with a power supply end VCC of the EEPROM, the second end of the first resistor R1 is connected with a pin 3 of the EEPROM chip U1 through the first light-emitting diode D1, and the second end of the second resistor R2 is connected with a pin 3 of the EEPROM chip U1 through the second light-emitting diode D2; the first end of the third resistor R3 and the first end of the fourth resistor R4 are connected with a power supply, the second end of the third resistor R3 is connected with the pin 1 of the EEPROM chip U1 through the third light-emitting diode D3, and the second end of the fourth resistor R4 is connected with the pin 1 of the EEPROM chip U1 through the fourth light-emitting diode D4;
the pin 4 of the EEPROM chip U1 and the first end of the fifth resistor R5 are connected to the communication end IO of the EEPROM, the pin 5 of the EEPROM chip U1 is connected to a power supply, the first end of the first capacitor C1 and the second end of the fifth resistor R5, and the second end of the first capacitor C1 is grounded.
The invention also constructs a single-wire communication method for acquiring tobacco tar information, which is applied to the single-wire communication circuit for acquiring tobacco tar information, and comprises the following steps:
s1, the battery main controller sends an initial signal to the data memory, and the battery main controller monitors a response signal of the data memory to finish awakening single-wire communication;
s2, the battery main controller sends a command for distinguishing data sources to the data memory;
and S3, the data memory sends corresponding data to the battery main controller according to the command so as to complete data single-wire communication and acquire tobacco tar information.
Preferably, in the single-wire communication method for acquiring tobacco tar information according to the present invention, the step S1 includes:
s1-1, a communication end of the battery main controller sends an initial signal to a communication end of the data memory, the level between the two communication ends is lowered, and the data memory receives the initial signal to synchronize an initial frame;
s1-2, after the battery main controller pulls down the level between the two communication ends, the communication end of the battery main controller is set to be in an input state, the high level is maintained through an external pull-up resistor, the battery main controller monitors whether the level between the two communication ends of the data memory is pulled down, if yes, the battery main controller receives a response signal of the data memory to finish awakening single-wire communication, and if not, the communication is exited.
Preferably, in the single-wire communication method for acquiring tobacco tar information according to the present invention, the step S2 includes:
after the battery main controller receives the response signal of the data memory and finishes the wake-up single-wire communication, the communication end of the data memory is set to be in an input state, the communication end of the battery main controller is set to be in an output state, and the level between the two communication ends is pulled down or pulled up to represent the read or write state of the battery main controller to the data memory.
Preferably, in the single-wire communication method for acquiring tobacco tar information according to the present invention, the data in step S2 includes: and the number data of the smoke ports and the manufacturer information data.
Preferably, in the single-wire communication method for acquiring tobacco tar information according to the present invention, the step S3 further includes:
after the data single-wire communication is completed, the communication end of the data memory is set to be in an input state, at the moment, the high level is maintained through an external pull-up resistor, and after the high level is detected to be maintained for a preset time, the communication is ended.
The invention also constructs an electronic cigarette, which comprises a battery assembly, an atomizer electrically connected with the battery assembly, and a single-wire communication circuit for acquiring tobacco tar information.
By implementing the invention, the data memory is arranged in the main controller of the atomizer, the data memory is made to be implanted into the cigarette bullet, and the information of tobacco tar in the cigarette bullet is recorded, so that the intelligent management of the electronic cigarette oil cup or the cigarette bullet is realized, the electronic cigarette oil cup or the cigarette bullet is used for anti-counterfeiting of the tobacco tar and tracing of related information, the tracing of article information is facilitated, the benefit of manufacturers can be protected from being affected, and teenager control and the like can be performed on special tobacco tar components. The battery component reads the tobacco tar component data information in the data memory and can adaptively output proper parameters according to the tobacco tar component to meet the best taste experience;
moreover, the intelligent management of the dry burning prevention and the temperature control of the tobacco cartridges can be realized, compared with the common temperature control and dry burning prevention schemes in the prior market, the method has the advantages that the following optimization and improvement are performed, the tobacco tar information is obtained through the battery component, whether the tobacco cartridges need to be replaced or not can be analyzed according to the tobacco tar information, and the user is reminded, so that the operation of a new atomizer and an old atomizer is not needed to be selected by the user, the operation is simplified, the misoperation is avoided, and the risks of inaccurate temperature control and dry burning failure prevention caused by hot plug of the atomizer are thoroughly solved;
in the implementation mode, the low-price MCU with the EERPOM inside is adopted to realize ROM information storage, and the read and write of ROM data in the MCU are completed through program simulation of single-line two-way communication; compared with the serial or parallel communication modes such as IIC, SPI and the like, the cost is reduced, and meanwhile, the communication control signal line is simplified.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a block diagram of a single wire communication circuit for acquiring tobacco tar information in accordance with the present invention;
FIG. 2 is a diagram of an EEPROM circuit of a single wire communication circuit for acquiring tobacco tar information in accordance with the present invention;
FIG. 3 is a flow chart of a single-wire communication method for obtaining tobacco tar information in accordance with the present invention;
FIG. 4 is a timing diagram of a single line communication for obtaining tobacco tar information in accordance with the present invention;
fig. 5 is a schematic view of the overall structure of the cartridge of the present invention;
FIG. 6 is a schematic view of the cartridge of the present invention after removal of the reservoir unit;
fig. 7 is a schematic view of the cartridge holder, electrode assembly and atomizing core assembly of the cartridge of the present invention;
fig. 8 and 9 are schematic structural views of an electrode assembly and an atomizing core assembly in a cartridge according to the present invention;
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present invention and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
ONE scheme of the prior art is to use ROM commonly used by printer ink cartridges as a storage element, and the common practice is to use ROM chips for ONE-WIRE communication, but the prior art has the defects of larger size, poor arrangement and expensive unit price; the existing alternative scheme is that an EEPROM is simply adopted, and an IIC or SPI mode communication ROM device is adopted, but the defects that pins are too many, signal lines needing to be controlled are more, and the structure is not beneficial to simplifying the design exist. Therefore, the invention adopts the MCU with small volume, the MCU internally comprises the EEPROM as a memory, the EEPROM is made into a data storage device to be implanted into the atomizer, and the information of tobacco tar in the atomizer is recorded, thereby being convenient for tracing the atomizer, anti-counterfeiting, intelligent management and identification; and the tobacco tar component data information is read through communication with the host computer, and proper parameters are adaptively output according to the tobacco tar component to meet the best taste experience. Meanwhile, the trouble that temperature control and dry burning are affected by hot plug of the atomizer is thoroughly solved.
Fig. 1 is a block diagram of a single wire communication circuit for acquiring tobacco tar information according to the present invention, and as shown in fig. 1, the present invention constructs a single wire communication circuit for acquiring tobacco tar information, including a battery master controller disposed in a battery assembly and an atomizer master controller disposed in an atomizer, wherein a data memory for storing tobacco tar information is disposed in the atomizer master controller, and a communication terminal for acquiring tobacco tar information by single wire communication with the battery master controller is disposed on the data memory.
Specifically, the atomizer master controller is also provided with a power supply end for supplying power to the atomizer master controller through the battery master controller, and correspondingly, the battery master controller is also provided with a power supply end and a communication end, and the battery master controller is electrically connected with the power supply end on the atomizer master controller and is in single-wire communication connection with the communication end on the data storage. The battery master controller and the atomizer master controller are both MCU, and the data memory is EEPROM.
And the atomizer master controller is also provided with an atomizing core positive electrode F+ and an atomizing core negative electrode F-, which are respectively electrically connected with the positive electrode and the negative electrode of the battery assembly and used for supplying power to the atomizing core of the atomizing core assembly and heating so as to enable tobacco tar to be converted into fog through the heating of the atomizing core assembly.
Fig. 2 is an EEPROM circuit diagram of a single-wire communication circuit for acquiring tobacco tar information according to the present invention, and as shown in fig. 2, the EEPROM includes: EEPROM chip U1, first resistance R1, second resistance R2, third resistance R3, fourth resistance R4, fifth resistance R5, first light emitting diode D1, second light emitting diode D2, third light emitting diode D3, fourth light emitting diode D4 and electric capacity C1;
the first end of the first resistor R1 and the first end of the second resistor R2 are connected with a power supply end VCC of the EEPROM, the second end of the first resistor R1 is connected with a pin 3 of the EEPROM chip U1 through a first light-emitting diode D1, and the second end of the second resistor R2 is connected with the pin 3 of the EEPROM chip U1 through a second light-emitting diode D2; the first end of the third resistor R3 and the first end of the fourth resistor R4 are connected with a power supply, the second end of the third resistor R3 is connected with the pin 1 of the EEPROM chip U1 through a third light-emitting diode D3, and the second end of the fourth resistor R4 is connected with the pin 1 of the EEPROM chip U1 through a fourth light-emitting diode D4;
the pin 4 of the EEPROM chip U1 and the first end of the fifth resistor R5 are connected with the communication end IO of the EEPROM, the pin 5 of the EEPROM chip U1 is connected with a power supply, the first end of the first capacitor C1 and the second end of the fifth resistor R5, and the second end of the first capacitor C1 is grounded. Wherein F-is the atomizing core negative end 45, F+ is the atomizing core positive end 142, B-is the negative pin 147, and F1+ is the positive pin 146, as shown in FIG. 2.
Fig. 3 is a flowchart of a single-wire communication method for acquiring tobacco tar information according to the present invention, and as shown in fig. 3, the present invention constructs a single-wire communication method for acquiring tobacco tar information, which is applied to the single-wire communication circuit for acquiring tobacco tar information, and includes the following steps:
s1, a battery main controller sends an initial signal to a data memory, and the battery main controller monitors a response signal of the data memory to finish awakening single-wire communication;
s2, the battery main controller sends a command for distinguishing data sources to the data memory;
and S3, the data memory sends corresponding data to the battery main controller according to the command so as to complete single-wire data communication and acquire tobacco tar information.
In the single-wire communication timing chart for obtaining the tobacco tar information of the present invention, IO is input/output line IO between two communication ends, START is START signal, ACK is response signal, R/W is read or write operation, CMD is byte command, DATA is DATA, STOP is end communication, as shown in FIG. 4, step S1: the battery main controller sends an initial signal to the data storage, and monitors a response signal of the data storage to complete the wake-up single-wire communication, and the method comprises the following steps:
s1-1, a communication end of a battery main controller sends an initial signal to a communication end of a data memory, the level between the two communication ends is lowered, and the data memory receives the initial signal to synchronize an initial frame;
s1-2, after the level between the two communication ends is pulled down by the battery main controller, the communication end of the battery main controller is set to be in an input state, the high level is maintained through an external pull-up resistor, the battery main controller monitors whether the level between the two communication ends is pulled down by the data memory, if so, the battery main controller receives a response signal of the data memory to finish awakening single-wire communication, and if not, the communication is exited.
The step S2 is preceded by:
after the battery main controller receives the response signal of the data memory and finishes the wake-up single-wire communication, the communication end of the data memory is set to be in an input state, the communication end of the battery main controller is set to be in an output state, and the level between the two communication ends is pulled down or pulled up to represent the read or write state of the data memory by the battery main controller.
Step S2: the battery main controller sends a byte command to the data storage for distinguishing between data sources, wherein the data comprises: the number data of the oil smoke ports and the manufacturer information data;
step S3: the data storage sends corresponding data to the battery main controller according to the byte command so as to complete single-wire data communication and acquire tobacco tar information;
the step S3 further comprises the following steps:
after the data single-wire communication is completed, the communication end of the data memory is set to be in an input state, at the moment, the high level is maintained through an external pull-up resistor, and after the high level is detected to be maintained for a preset time, the communication is ended. Specifically, when the communication end of the data memory does not receive the byte command of the battery controller within the preset time, the communication end automatically sleeps to reduce consumption. In this embodiment, the preset time may be 5S, 10S, etc., which is not limited herein.
The invention also constructs the electronic cigarette which comprises the battery assembly, the atomizer electrically connected with the battery assembly and the single-wire communication circuit for acquiring the tobacco tar information.
Specifically, as shown in fig. 5 to 9, the atomizer includes an atomizer body 1 and a suction nozzle unit 2, wherein the atomizer body 1 includes: the atomizer support 11, with the fixed stock solution unit 13 of atomizer support 11 cooperation, and locate the atomizing core subassembly 12 on the atomizer support 11, atomizer main part 1 still includes: an electrode assembly 14 electrically connected to the atomizing core assembly 12, the electrode assembly 14 comprising:
a switching circuit board 141, an MCU (not shown), an atomizing core positive electrode terminal 142, an atomizing core negative electrode terminal 145, a power supply terminal 143 and a communication terminal 144 respectively provided on the switching circuit board 141;
the atomizing core positive electrode end 142 and the atomizing core negative electrode end 145 are respectively connected with the positive electrode and the negative electrode of the battery and are respectively electrically connected with the positive electrode pin 122 and the negative electrode pin 123 of the atomizing core assembly 12 through the switching circuit board 141;
the power supply end 143 is connected with the power supply end of the battery master controller to supply power to the MCU, the EEPROM for storing tobacco tar information is arranged in the MCU, and the battery master controller is in single-wire two-way communication with the EEPROM through the communication end 144.
In this embodiment, the heating wire of the atomizing core assembly is powered and heated by the atomizing core positive electrode end 142 and the atomizing core negative electrode end 145, so that the tobacco tar is heated and converted into mist by the atomizing core assembly. The EEPROM is of the type FT60F01x.
Referring to fig. 8 and 9, fig. 8 and 9 are schematic structural views of an electrode assembly and an atomizing core assembly in the atomizer of the present invention, the electrode assembly further comprising: a positive pin 146 and a negative pin 147 welded on the switching circuit board 141 and extending to the positive pin 122 and the negative pin 123 of the atomizing core assembly; wherein positive pin 146 and negative pin 147 comprise probes or other conductive connectors.
The atomizing core positive pole end 142 and the atomizing core negative pole end 145 are respectively electrically connected with the positive pole pin 146 and the negative pole pin 147 through the switching circuit board 141, and the positive pole pin 146 and the negative pole pin 147 are respectively in contact electrical connection with the positive pole pin 122 and the negative pole pin 123 on the atomizing core component.
In this embodiment, preferably, in order to fix the contact electrical connection of the positive pin 146 and the positive pin 122, and the contact electrical connection of the negative pin 147 and the negative pin 123, as shown in fig. 8, the atomizer further includes a first sleeve 15 for sleeving the positive pin 146 and the positive pin 122, and a second sleeve 16 for sleeving the negative pin 147 and the negative pin 123.
Specifically, the electrode assembly 14 is disposed at the bottom of the atomizer support 11, the atomizing core positive electrode end 142, the power supply end 143, the communication end 144, and the atomizing core negative electrode end 145 are disposed at one side of the adapting circuit board 141, and a window for electrically connecting with an external power supply and/or a controller is opened at the bottom of the corresponding atomizer support 11; the atomizing core assembly 12 is disposed on the opposite side of the adapter circuit board 141.
And, the atomizing core assembly 12 includes: the atomizing core 121, an anode pin 122 and a cathode pin 123 which are electrically connected with the atomizing core 121, an atomizing core bracket 124 which is used for being clamped, matched and fixed with two sides of the atomizer bracket 11 and supporting and fixing the atomizing core 121, atomizing core sealing silica gel 125 which is arranged between the atomizing core 121 and the atomizing core bracket 124, and oil tank sealing gel 126 which is arranged on the atomizing core bracket 124 and used for forming a sealing space with the liquid storage unit 13; the sealed space is filled with tobacco tar. The atomizer support 11 is also provided with support sealing silica gel 111 for sealing the atomizer support 11 and the liquid storage unit 13.
Two sides of the atomizer support 11 are respectively provided with a clamping interface 112, and are fixed by matching and clamping with a first clamping structure 1241 on the atomizing core support 124. Similarly, a second clamping structure 113 for clamping and fixing the liquid storage unit 13 is also provided on two sides of the atomizer support 11, which is not described herein.
Preferably, the positive electrode pin 146 is welded beside the positive electrode end 142 of the atomizing core, the negative electrode pin 147 is welded beside the negative electrode end 145 of the atomizing core, the positive electrode pin 146 and the negative electrode pin 147 all penetrate through the switching circuit board 141, the positive electrode end 142 of the atomizing core, the power supply end 143, the communication end 144, the negative electrode end 145 of the atomizing core and the negative electrode pin 147 are sequentially arranged on the switching circuit board 141, and a window for being electrically connected with an external power supply and/or a controller is formed at the bottom of the corresponding atomizer bracket 11.
In addition, the side edge of the shell of the liquid storage unit 13 is provided with a reverse insertion preventing structure 131 for preventing the atomizer from being reversely inserted into a battery assembly, the battery assembly is provided with an anode and a cathode, and the situation that whether the atomizer is reversely inserted with the anode and the cathode of the battery assembly in a certain direction can be known through the reverse insertion preventing structure 131, so that a user is reminded.
By implementing the invention, the data memory is arranged in the main controller of the atomizer, the data memory is made to be implanted into the cigarette bullet, and the information of tobacco tar in the cigarette bullet is recorded, so that the intelligent management of the electronic cigarette oil cup or the cigarette bullet is realized, the electronic cigarette oil cup or the cigarette bullet is used for anti-counterfeiting of the tobacco tar and tracing of related information, the tracing of article information is facilitated, the benefit of manufacturers can be protected from being affected, and teenager control and the like can be performed on special tobacco tar components. The battery component reads the tobacco tar component data information in the data storage, and can adaptively output proper parameters according to the tobacco tar component to meet the best taste experience;
moreover, the intelligent management of the dry burning prevention and the temperature control of the tobacco cartridges can be realized, compared with the common temperature control and dry burning prevention schemes in the prior market, the method has the advantages that the following optimization and improvement are performed, the tobacco tar information is obtained through the battery component, whether the tobacco cartridges need to be replaced or not can be analyzed according to the tobacco tar information, and the user is reminded, so that the operation of a new atomizer and an old atomizer is not needed to be selected by the user, the operation is simplified, the misoperation is avoided, and the risks of inaccurate temperature control and dry burning failure prevention caused by hot plug of the atomizer are thoroughly solved;
in the implementation mode, the low-price MCU with the EERPOM inside is adopted to realize ROM information storage, and the read and write of ROM data in the MCU are completed through program simulation of single-line two-way communication; compared with the serial or parallel communication modes such as IIC, SPI and the like, the cost is reduced, and meanwhile, the communication control signal line is simplified.
While the invention has been described with reference to the specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A single-wire communication circuit for acquiring tobacco tar information, which comprises a battery main controller arranged in a battery assembly and an atomizer main controller arranged in an atomizer, and is characterized in that,
the battery main controller is provided with a communication end, a data memory for storing tobacco tar information is arranged in the atomizer main controller, and the data memory is provided with a communication end for acquiring the tobacco tar information by single-wire communication with the communication end of the battery main controller;
wherein, the battery main controller and the atomizer main controller are both MCU; the data memory is EEPROM, and single-wire bidirectional communication is simulated through a program;
the EEPROM includes: EEPROM chip U1, first resistance R1, second resistance R2, third resistance R3, fourth resistance R4, fifth resistance R5, first light emitting diode D1, second light emitting diode D2, third light emitting diode D3, fourth light emitting diode D4 and first capacitor C1;
the first end of the first resistor R1 and the first end of the second resistor R2 are connected with a power supply end VCC of the EEPROM, the second end of the first resistor R1 is connected with a pin 3 of the EEPROM chip U1 through the first light-emitting diode D1, and the second end of the second resistor R2 is connected with a pin 3 of the EEPROM chip U1 through the second light-emitting diode D2; the first end of the third resistor R3 and the first end of the fourth resistor R4 are connected with a power supply, the second end of the third resistor R3 is connected with the pin 1 of the EEPROM chip U1 through the third light-emitting diode D3, and the second end of the fourth resistor R4 is connected with the pin 1 of the EEPROM chip U1 through the fourth light-emitting diode D4;
the pin 4 of the EEPROM chip U1 and the first end of the fifth resistor R5 are connected to the communication end IO of the EEPROM, the pin 5 of the EEPROM chip U1 is connected to a power supply, the first end of the first capacitor C1 and the second end of the fifth resistor R5, and the second end of the first capacitor C1 is grounded.
2. The single wire communication circuit for obtaining tobacco tar information according to claim 1, wherein the atomizer main controller is further provided with a power supply terminal for supplying power thereto through the battery main controller.
3. A single-wire communication method for acquiring tobacco tar information, characterized by being applied to the single-wire communication circuit for acquiring tobacco tar information according to any one of claims 1-2, comprising the steps of:
s1, the battery main controller sends an initial signal to the data memory, and the battery main controller monitors a response signal of the data memory to finish awakening single-wire communication;
s2, the battery main controller sends a command for distinguishing data sources to the data memory;
s3, the data memory sends corresponding data to the battery main controller according to the command so as to complete data single-wire communication and acquire tobacco tar information;
s4, after the data single-wire communication is completed, the communication end of the data memory is set to be in an input state, at the moment, the high level is maintained through an external pull-up resistor, and after the high level is detected to be maintained for a preset time, the communication is ended;
wherein, the step S1 includes:
s1-1, a communication end of the battery main controller sends an initial signal to a communication end of the data memory, the level between the two communication ends is lowered, and the data memory receives the initial signal to synchronize an initial frame;
s1-2, after the battery main controller pulls down the level between the two communication ends, the communication end of the battery main controller is set to be in an input state, the high level is maintained through an external pull-up resistor, the battery main controller monitors whether the level between the two communication ends of the data memory is pulled down, if yes, the battery main controller receives a response signal of the data memory to complete awakening single-wire communication, and if not, the communication is exited;
the step S2 includes:
after the battery main controller receives the response signal of the data memory and finishes the wake-up single-wire communication, the communication end of the data memory is set to be in an input state, the communication end of the battery main controller is set to be in an output state, and the level between the two communication ends is pulled down or pulled up to represent the read or write state of the battery main controller to the data memory.
4. The single wire communication method for acquiring tobacco tar information according to claim 3, wherein the data in step S2 includes: and the number data of the smoke ports and the manufacturer information data.
5. An electronic cigarette comprising a battery assembly and a nebulizer electrically connected to the battery assembly, further comprising the single-wire communication circuit for obtaining tobacco tar information of any one of claims 1-2.
Priority Applications (2)
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| CN201910645590.6A CN110367594B (en) | 2019-07-17 | 2019-07-17 | Single-wire communication circuit and method for acquiring tobacco tar information and electronic cigarette |
| PCT/CN2019/119741 WO2021008049A1 (en) | 2019-07-17 | 2019-11-20 | Cartridge, single-line communication circuit for obtaining e-liquid information, and method |
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| CN201910645590.6A CN110367594B (en) | 2019-07-17 | 2019-07-17 | Single-wire communication circuit and method for acquiring tobacco tar information and electronic cigarette |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021008049A1 (en) * | 2019-07-17 | 2021-01-21 | 深圳市思源贝尔科技有限公司 | Cartridge, single-line communication circuit for obtaining e-liquid information, and method |
| CN110623312A (en) * | 2019-10-30 | 2019-12-31 | 东莞市美迪格电子科技有限公司 | Atomizer and electronic cigarette |
| CN111248504B (en) | 2019-12-24 | 2023-04-07 | 深圳麦克韦尔科技有限公司 | Atomizer identification circuit of electronic atomization device and related device |
| EP4218460A4 (en) * | 2020-09-25 | 2023-12-27 | Shenzhen Smoore Technology Limited | Battery rod and electronic atomization apparatus |
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| CN106163305A (en) * | 2014-01-27 | 2016-11-23 | Sis资源有限公司 | Electrical steam tells the wire communication in cigarette device |
| CN108720089A (en) * | 2018-06-29 | 2018-11-02 | 深圳市合元科技有限公司 | A kind of atomizer, electronic cigarette and its control method |
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| CN106163305A (en) * | 2014-01-27 | 2016-11-23 | Sis资源有限公司 | Electrical steam tells the wire communication in cigarette device |
| CN208096006U (en) * | 2017-12-27 | 2018-11-16 | 上海新型烟草制品研究院有限公司 | A kind of electronic cigarette |
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