CN108685175B - Atomization circuit, atomization device and atomization circuit control method - Google Patents
Atomization circuit, atomization device and atomization circuit control method Download PDFInfo
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- CN108685175B CN108685175B CN201710229656.4A CN201710229656A CN108685175B CN 108685175 B CN108685175 B CN 108685175B CN 201710229656 A CN201710229656 A CN 201710229656A CN 108685175 B CN108685175 B CN 108685175B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/50—Control or monitoring
- A24F40/53—Monitoring, e.g. fault detection
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/10—Devices using liquid inhalable precursors
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/60—Devices with integrated user interfaces
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
- A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
- A24F40/90—Arrangements or methods specially adapted for charging batteries thereof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention relates to an atomization circuit, an atomization device and an atomization circuit control method. The atomization circuit comprises a battery assembly, a control circuit and a current detection circuit. The control circuit and the current detection circuit are respectively used for electrically connecting the load of the atomization circuit. The current detection circuit is electrically connected with the control circuit. The battery pack supplies power. The current detection circuit detects a current value of a load flowing into the atomization circuit and feeds the current value back to the control circuit. The control circuit identifies the load of the atomization circuit according to the current value so as to enter a working mode corresponding to the load of the atomization circuit. The atomization circuit, the atomization device and the atomization circuit control method can identify the load of the atomization circuit, so that the atomization circuit can normally operate no matter the cigarette lighting function or the charging function is ensured, and the use value of the electronic cigarette can be improved.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to an atomization circuit, an atomization device and an atomization circuit control method.
Background
The electronic cigarette is an electronic product simulating a cigarette, and has the same appearance, smoke, taste and sensation as the cigarette. It is a product which is absorbed by users after nicotine and the like are changed into steam by means of atomization and the like. The electronic cigarette has the characteristics of large-capacity built-in lithium batteries, rich, complete and reliable built-in detection control circuits, small shell, light weight and convenience for carrying by a user. However, the conventional electronic cigarette is only used for a user to smoke the electronic cigarette, and has a single function, so how to improve the use value of the electronic cigarette is a problem to be solved urgently.
Disclosure of Invention
In view of the above, it is necessary to provide an atomization circuit, an atomization device, and an atomization circuit control method, in order to solve the problem of how to improve the use value of an electronic cigarette.
An atomization circuit is provided with a voltage output end, wherein the voltage output end can be connected with an atomizer for atomization or an adapter can be detachably mounted for charging external equipment; the atomization circuit comprises a battery assembly, a control circuit and a current detection circuit; the control circuit and the current detection circuit are respectively used for being electrically connected with a load of the atomization circuit through the voltage output end, and the load of the atomization circuit is the external equipment or the atomizer; the current detection circuit is also electrically connected with the control circuit;
the battery assembly is used for supplying power; the current detection circuit is used for detecting the current value of a load flowing into the atomization circuit and feeding the current value back to the control circuit; the control circuit is used for identifying the load of the atomization circuit according to the current value so as to enter a working mode corresponding to the load of the atomization circuit.
In one embodiment, the control circuit includes a controller and an output control unit; the controller is respectively electrically connected with the output control unit and the current detection circuit; the output control unit is also used for electrically connecting a load of the atomization circuit;
the output control unit is used for regulating the voltage of the battery pack under the control of the controller; the controller is used for controlling the output control unit to output detection voltage to the load of the atomization circuit, and identifying the load of the atomization circuit according to the current value under the detection voltage so as to enter a working mode corresponding to the load of the atomization circuit.
In one embodiment, the atomization circuit further comprises a voltage detection circuit; the voltage detection circuit is used for being electrically connected with a load of the atomization circuit and is also electrically connected with the control circuit;
the voltage detection circuit is used for detecting a voltage value of a load input to the atomization circuit and feeding the voltage value back to the control circuit; the control circuit is also used for adjusting the voltage of the load input to the atomization circuit according to the voltage value.
In one embodiment, the atomization circuit is provided with an interaction device; the interaction device is electrically connected with the control circuit;
the interaction device is used for receiving an operation signal for switching the working mode of the atomization circuit; the control circuit is further used for controlling the atomization circuit to switch to a working mode corresponding to the operation signal according to the operation signal.
In one embodiment, the interaction means comprises a key, a toggle switch or a touch screen.
A method of atomization circuit control, the method comprising:
outputting detection voltage to a load of the atomization circuit, acquiring a current value of the load passing through the atomization circuit under the detection voltage, and determining a working mode corresponding to the load of the atomization circuit according to the current value; the atomization circuit is provided with a voltage output end, and the voltage output end can be connected with an atomizer for atomization or can be detachably provided with an adapter for charging external equipment;
and switching the atomization circuit to a working mode corresponding to the load of the atomization circuit.
In one embodiment, the step of outputting a detection voltage to the load of the atomization circuit, obtaining a current value of the load passing through the atomization circuit at the detection voltage, and determining the working mode corresponding to the load of the atomization circuit according to the current value includes:
inputting a first detection voltage corresponding to a cigarette lighting mode to a load of the atomization circuit;
receiving a first current value of a load of the atomization circuit at the first detection voltage;
and if the first current value is in a first current range, judging that the load of the atomization circuit is an atomizer.
In one embodiment, if the first current value is in a first current range, the step of determining that the load of the atomization circuit is an atomizer comprises:
judging whether the first current value is in a first current range, if so, judging that the load of the atomization circuit is the atomizer; otherwise, adjusting the voltage output to the load of the atomization circuit until a second detection voltage corresponding to the charging mode is reached;
receiving a second current value of a load of the atomization circuit at the second detection voltage;
and if the second current value is in a second current range, determining that the load of the atomization circuit is the external equipment.
In one embodiment, if the second current value is in a second current range, the step of determining that the load of the atomization circuit is the external device includes:
judging whether the second current value is in the second current range, if so, judging that the load of the atomization circuit is the external equipment; otherwise, if the second current value is zero, the atomization circuit is judged to be in an open circuit state.
In one embodiment, before the steps of outputting a detection voltage to the load of the atomization circuit, obtaining a current value of the load of the atomization circuit passing through the detection voltage, and determining an operation mode corresponding to the load of the atomization circuit according to the current value, the method further includes:
judging whether an operation signal for switching a working mode is received or not, and if so, switching the atomization circuit to the working mode corresponding to the operation signal according to the operation signal; otherwise, outputting detection voltage to the load of the atomization circuit, obtaining the current value of the load passing through the atomization circuit under the detection voltage, and determining the working mode corresponding to the load of the atomization circuit according to the current value.
An atomization device comprises an atomization circuit, wherein the atomization circuit is provided with a voltage output end, and the atomization device is characterized in that the voltage output end can be connected with an atomizer for atomization or can be detachably provided with an adapter for charging external equipment; the atomization circuit comprises a battery assembly, a control circuit and a current detection circuit; the control circuit and the current detection circuit are respectively used for being electrically connected with a load of the atomization circuit through the voltage output end, and the load of the atomization circuit is the external equipment or the atomizer; the current detection circuit is also electrically connected with the control circuit;
the battery assembly is used for supplying power; the current detection circuit is used for detecting the current value of a load flowing into the atomization circuit and feeding the current value back to the control circuit; the control circuit is used for identifying the load of the atomization circuit according to the current value so as to enter a working mode corresponding to the load of the atomization circuit.
The atomization circuit, the atomization device and the atomization circuit control method have the beneficial effects that: in this atomizing circuit, atomizing device and atomizing circuit control method, the atomizer can be connected in order to atomize or demountable installation adapter charges in order to external equipment to the voltage output of atomizing circuit. Therefore, the voltage output end of the atomization circuit can be provided with the atomizer to realize the cigarette lighting function, and can also realize the charging function of the external equipment through the installation adapter. The current detection circuit is used for detecting the current value of the load flowing into the atomization circuit and feeding the current value back to the control circuit; the control circuit is used for identifying the load of the atomization circuit according to the current value so as to enter a working mode corresponding to the load of the atomization circuit. Therefore, the atomization circuit, the atomization device and the atomization circuit control method can identify the load of the atomization circuit, so that the atomization circuit can normally operate no matter the atomization circuit has a cigarette lighting function or a charging function, the atomization circuit is applied to the electronic cigarette, and the use value of the electronic cigarette can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is an electrical connection diagram of a related structure of an atomization circuit according to an embodiment;
FIG. 2 is a diagram of one specific electrical connection of the atomizing circuit of the embodiment shown in FIG. 1;
FIG. 3 is a flow chart of a method for controlling a misting circuit according to another embodiment;
FIG. 4 is a flowchart illustrating one embodiment of the step S100 of the method for controlling the atomization circuit shown in FIG. 3;
fig. 5 is a flowchart illustrating one specific step S130 of the method for controlling the atomization circuit in the embodiment shown in fig. 4.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An embodiment provides an atomization circuit. In particular, the atomization circuit may be applied to an electronic cigarette, in which case the atomization circuit may be a cigarette rod. The atomizer can be dismantled and connect in atomizing circuit's voltage output end. Wherein the atomizer is used for atomizing tobacco juice. The voltage output end of the atomization circuit refers to an interface, such as 510 interface, for connecting the cigarette rod in the conventional electronic cigarette to the atomizer. And, atomizing circuit's voltage output end can also demountable installation adapter to charge to external equipment. Specifically, the adapter can be USB (Universal Serial Bus) adapter, is about to the voltage output part (for example 510 interfaces) of atomizing circuit converts the USB interface into, so, after the USB adapter has been installed to the voltage output part of atomizing circuit, atomizing circuit can charge through the USB interface to external equipment.
Referring to fig. 1, the atomization circuit includes a battery assembly (not shown), a control circuit 100 and a current detection circuit 200. The battery pack is electrically connected to the control circuit 100 and the current detection circuit 200, respectively. The control circuit 100 and the current detection circuit 200 are respectively used to electrically connect the load 300 of the atomization circuit through the voltage output terminal. The current detection circuit 200 is also electrically connected to the control circuit 100.
In the embodiment of the present invention, the load 300 of the atomization circuit may be an atomizer or an external device, or the atomization circuit may be in an open state (i.e., the voltage output terminal of the atomization circuit is not connected to any load). The external device can be a mobile phone, a tablet computer, a wearable electronic device and the like. When the load 300 of the atomization circuit is an atomizer, the atomization circuit can realize a smoking function, and the working mode of the atomization circuit is a cigarette lighting mode; when the load 300 of the atomization circuit is an external device, the atomization circuit can charge the external device, and the working mode of the atomization circuit is a charging mode; when the atomization circuit is in an open circuit state, namely the atomization circuit is not provided with a load, the working mode of the atomization circuit is an open circuit mode.
The battery pack is used for supplying power. In particular, the battery assembly may include a battery and a charging circuit. The current detection circuit 200 is configured to detect a current value of the load 300 flowing into the atomization circuit and feed the current value back to the control circuit 100. The control circuit 100 is configured to identify the load 300 of the atomization circuit according to the current value, so as to enter an operation mode corresponding to the load 300 of the atomization circuit. The control circuit 100 may start the process of identifying the load 300 of the atomization circuit as soon as it detects that the atomization circuit starts operating.
Specifically, the control circuit 100 may output a detection voltage to the load 300 of the atomization circuit, and identify that the load 300 of the atomization circuit is an atomizer or an external device or that the atomization circuit is in an open circuit state according to a current value of the load 300 flowing into the atomization circuit under the detection voltage, so as to control the atomization circuit to enter a corresponding operating mode. It is understood that other devices may input the detection voltage to the load 300 of the atomization circuit, for example, the control circuit 100 may control the battery pack to input the detection voltage to the load 300 of the atomization circuit.
Because the loads 300 of the atomization circuit are different, the current value of the load 300 flowing through the atomization circuit after a certain detection voltage is applied will be different (for example, when the detection voltage is 3V, if the load 300 of the atomization circuit is an atomizer, the output loop has a current, that is, the current value of the load 300 flowing into the atomization circuit is greater than zero, and if the load 300 of the atomization circuit is an external device such as a mobile phone, a tablet computer, or a wearable electronic device, the output loop has no current, that is, the current flowing into the load 300 of the atomization circuit is zero, furthermore, if the atomization circuit is not connected with a load, the output loop has no current, that is, the current is zero, therefore, after the detection voltage is applied, the load 300 of the atomization circuit can be identified as an atomizer, an external device, or an atomization circuit being in an open circuit state by detecting the current value of the load 300 of the atomization circuit, the control circuit 100 may first output a smaller first detection voltage (e.g., 3V) to identify whether the load 300 of the atomization circuit is an atomizer, and if the current value flowing into the load 300 of the atomization circuit is greater than zero, determine that the load 300 of the atomization circuit is an atomizer; if the current flowing into the load 300 of the atomization circuit is zero, it is determined that the load 300 of the atomization circuit is not an atomizer. Then, the control circuit 100 increases the output voltage to a second detection voltage (for example, to 5V) to identify whether the load 300 of the atomization circuit is an external device or is idle, and if the current value flowing into the load 300 of the atomization circuit is greater than zero, it is determined that the load 300 of the atomization circuit is an external device; if there is no current, it is determined to be idle.
When the control circuit 100 recognizes that the load 300 of the atomization circuit is an external device, the atomization circuit is controlled to enter a charging mode, and at this time, the control circuit 100 may convert the output voltage of the battery pack into a 5V voltage and input the voltage to the external device through the adapter, so as to charge the external device. When the control circuit 100 recognizes that the load 300 of the atomization circuit is an atomizer, the atomization circuit is controlled to enter a cigarette lighting mode, and then the control circuit 100 may convert the output voltage of the battery assembly into a voltage (e.g., 3V) suitable for the operation of the atomizer and input the voltage into the atomizer, so as to atomize the cigarette liquid through the atomizer. When the control circuit 100 recognizes that the atomization circuit is unloaded, the control circuit stops operating, for example, the power supply circuit of the battery pack is cut off. Optionally, the control circuit 100 can also control the atomization circuit to emit an audible and visual reminder or a vibration reminder.
In summary, the atomization circuit provided in the embodiment of the present invention can identify the load 300 of the atomization circuit, so as to ensure that the atomization circuit can normally operate no matter in the cigarette lighting function or the charging function, and when the atomization circuit is applied to an electronic cigarette, the use value of the electronic cigarette can be improved. Meanwhile, the situation that the battery assembly still outputs voltage and possibly causes load damage under the condition that the working mode of the atomization circuit is not matched with the load connected with the atomization circuit is avoided, and the service time of the atomization circuit is prolonged to a certain extent.
In one embodiment, referring to fig. 2, the control circuit 100 includes a controller 110 and an output control unit 120. The controller 110 is electrically connected to the output control unit 120 and the current detection circuit 200, respectively. Specifically, the output terminal of the controller 110 is electrically connected to the input terminal of the output control unit 120, the first input terminal of the controller 110 is electrically connected to the output terminal of the current detection circuit 200, and the first input terminal of the controller 110 is used for receiving the current value fed back by the current detection circuit 200. The output control unit 120 is also used to electrically connect the load 300 of the atomization circuit.
The output control unit 120 is used to regulate the voltage of the battery pack under the control of the controller 110. For example: the output control unit 120 may be a voltage converter, and the controller 110 controls the output voltage of the output control unit 120 through a PWM (pulse width modulation) signal, so that the controller 110 can change the output voltage of the output control unit 120 by adjusting the duty ratio of the PWM signal. The output control unit 120 is not limited to the above-described functions, and may also have functions such as filtering, overcurrent protection, overvoltage protection, and short-circuit protection to improve the reliability of the atomization circuit.
The controller 110 is configured to control the output control unit 120 to output the detection voltage to the load 300 of the atomization circuit, and identify the load 300 of the atomization circuit according to the current value of the load 300 of the atomization circuit under the detection voltage, so as to enter the operation mode corresponding to the load 300 of the atomization circuit. After the controller 110 outputs a corresponding control signal to enable the control unit 120 to output the detection voltage, the current detection circuit 200 detects a current value of the load 300 flowing into the atomization circuit and feeds the current value back to the controller 110. The controller 110 can determine whether the load 300 of the atomization circuit is the atomizer or the external device or whether the atomization circuit is in an open circuit state according to the fed-back current value.
In one embodiment, with continued reference to fig. 2, the atomizer circuit further includes a voltage detection circuit 400. The voltage detection circuit 400 is used to electrically connect the load 300 of the atomization circuit, and the voltage detection circuit 400 is further electrically connected to the control circuit 100. Specifically, the voltage detection circuit 400 is electrically connected to a second input terminal of the controller 110 in the control circuit 100, and the second input terminal of the controller 110 is used to receive the voltage value detected by the voltage detection circuit 400.
The voltage detection circuit 400 is configured to detect a voltage value of the load 300 input to the atomization circuit, and feed the voltage value back to the control circuit 100. The control circuit 100 is further configured to adjust the voltage input to the load 300 of the atomization circuit according to the voltage value fed back by the voltage detection circuit 400, so as to ensure that the voltage output to the load 300 of the atomization circuit is the detection voltage, thereby improving the detection accuracy. For example: the controller 110, if it is found that the voltage value fed back by the voltage detection circuit 400 is lower than the detection voltage, the controller 110 increases the output voltage of the output control unit 120 by increasing the duty ratio of the PWM signal so that the voltage input to the load 300 of the atomization circuit reaches the detection voltage.
In one embodiment, with continued reference to fig. 2, the atomization circuit is provided with an interaction device 500. The interaction means 500 is electrically connected to the control circuit 100. Specifically, the interaction device 500 is electrically connected to the controller 110.
The interaction device 500 is configured to receive an operation signal for switching the operation mode of the atomization circuit. Specifically, the interaction device 500 may include a key, a toggle switch, or a touch screen, which is not limited in this embodiment. Therefore, the user can switch the working mode of the atomization circuit through a key, a toggle switch or a touch screen. For example: taking a key as an example, two different keys (defined as a first key and a second key) may be respectively set, where the first key represents a charging mode, the second key represents a cigarette lighting mode, when a user presses the first key, the atomization circuit is expected to be switched to the charging mode, when the user presses the second key, the atomization circuit is expected to be switched to the cigarette lighting mode, and when neither the first key nor the second key is pressed, the atomization circuit is expected to be in an open circuit state. And the touch screen can also display the working mode of the atomization circuit in real time so as to be convenient for a user to check.
The control circuit 100 is further configured to control the nebulizing circuit to switch to the operating mode corresponding to the operating signal according to the operating signal received by the interaction device 500 for switching the operating mode of the nebulizing circuit. The operation signal for switching the working mode is, for example, a pressing operation signal of a key by a user; a user dials an operation signal of the toggle switch; or an operation signal for the user to click or slide the touch screen.
Therefore, the atomization circuit provided by the embodiment of the invention can automatically switch the working mode, and can also switch the working mode according to the selection of a user. For example: as long as the control circuit 100 detects that the atomization circuit starts to work, the load loaded on the voltage output end of the atomization circuit starts to be automatically identified, and the atomization circuit is controlled to enter a corresponding working mode according to the identified result; in the operation process, if the control circuit 100 receives an operation signal for switching the operation mode of the atomization circuit from the interaction device 500, the control circuit 100 controls the atomization circuit to switch to the operation mode corresponding to the operation signal.
It is understood that in other embodiments, there are other ways to switch the operation mode of the atomization circuit, for example, the atomization circuit may further include a wireless module to wirelessly receive a signal sent by a user through the smart device to switch the operation mode of the atomization circuit, and send the signal to the control circuit 100.
In another embodiment, an atomization device is provided that includes an atomization circuit having a voltage output. The voltage output end can be connected with the atomizer to atomize or can be detachably mounted with the adapter to charge the external equipment. The atomization circuit comprises a battery pack, a control circuit and a current detection circuit. The control circuit and the current detection circuit are respectively used for electrically connecting the load of the atomization circuit through the voltage output end, and the load of the atomization circuit is the external equipment or the atomizer. The current detection circuit is also electrically connected with the control circuit.
The battery pack is used for supplying power. The current detection circuit is used for detecting the current value of a load flowing into the atomization circuit and feeding the current value back to the control circuit. The control circuit is used for identifying the load of the atomization circuit according to the current value so as to enter a working mode corresponding to the load of the atomization circuit.
It should be noted that the atomization circuit in the atomization device provided in the embodiment of the present invention is the same as the atomization circuits provided in the above embodiments, and details are not repeated here.
In another embodiment, a method for controlling a fog circuit is provided, which may be performed by the control circuit 100 of the previous embodiment. Specifically, the atomization circuit control method may be executed by the controller 110. Referring to fig. 3, the method for controlling the atomizer circuit includes the following steps.
Step S100, outputting detection voltage to the load 300 of the atomization circuit, obtaining a current value of the load 300 passing through the atomization circuit under the detection voltage, and determining a working mode corresponding to the load 300 of the atomization circuit according to the current value. Wherein, atomizing circuit is equipped with voltage output end, and this voltage output end can connect the atomizer in order to atomize or demountable installation adapter in order to charge to external equipment.
The working mode can be a cigarette lighting mode, a charging mode or an open circuit mode. Because the loads 300 of the atomization circuit are different, the current value of the load 300 flowing through the atomization circuit after a certain detection voltage is applied will be different (for example, when the detection voltage is 3V, if the load 300 of the atomization circuit is an atomizer, the output loop has current, that is, the current value of the load 300 flowing into the atomization circuit is greater than zero, and if the load 300 of the atomization circuit is an external device such as a mobile phone, a tablet computer, or a wearable electronic device, the output loop has no current, that is, the current value of the load 300 flowing into the atomization circuit is zero, and furthermore, if the atomization circuit is not connected with a load, the output loop also has no current), after the detection voltage is applied, it can be identified that the load 300 of the atomization circuit is an atomizer, an external device, or an atomization circuit in an open circuit state by detecting the current value of the load 300 of the atomization circuit.
And S200, switching the atomization circuit to a working mode corresponding to the load 300 of the atomization circuit. Wherein the working mode at least comprises a cigarette lighting mode and a charging mode. .
When the control circuit 100 recognizes that the load 300 of the atomization circuit is an external device, the atomization circuit is controlled to enter a charging mode, and at this time, the control circuit 100 may convert the output voltage of the battery assembly into a 5V voltage and output the voltage, so that the external device is charged through the adapter. When the control circuit 100 recognizes that the load 300 of the atomization circuit is an atomizer, the atomization circuit is controlled to enter a cigarette lighting mode, and then the control circuit 100 can convert the output voltage of the battery pack into a voltage (e.g., 3V) suitable for the operation of the atomizer and output the voltage, so as to atomize the cigarette liquid through the atomizer. When the control circuit 100 recognizes that the atomization circuit is unloaded, the control circuit stops operating, for example, the power supply circuit of the battery pack is cut off. Optionally, the control circuit 100 can also control the atomization circuit to emit an audible and visual reminder or a vibration reminder.
Further, after the control circuit 100 controls the atomization circuit to enter the charging mode, in the charging process, the control circuit 100 may also monitor whether the output voltage of the battery assembly is lower than a threshold value for normal charging in real time, and if so, the charging circuit of the battery assembly is cut off. In addition, the control circuit 100 may detect whether the overcurrent phenomenon occurs in real time according to the current value fed back by the current detection circuit 200, and if so, the charging circuit of the battery pack is also cut off.
In one embodiment, step S100 includes the following, please refer to fig. 4.
Step s110, a first detection voltage corresponding to the ignition mode is input to the load 300 of the atomization circuit.
Wherein, when the load 300 of the atomization circuit is the atomizer, the atomization circuit can realize the smoking function, and the working mode of the atomization circuit is the cigarette lighting mode at this moment. The first detection voltage is a voltage which is input to the atomizer when the atomization circuit can normally work in the cigarette lighting mode. Specifically, the first detection voltage may be between 2.5V and 3.5V, for example, 3V. Therefore, the first detection voltage is applied in order to detect whether the load 300 of the atomization circuit is an atomizer.
Since the operating voltage of the atomizer is lower than the operating voltage when the external device is charged, in other words, the output voltage of the atomization circuit in the cigarette lighting mode is lower than the output voltage of the atomization circuit in the charging mode, in the embodiment of the present invention, it is first detected whether the load 300 of the atomization circuit is an atomizer through the first detection voltage, so that the safety can be improved.
Step s120. receive a first current value of the load 300 of the atomization circuit at a first detection voltage.
When the first detection voltage is output, the current detection circuit 200 may detect a first current value flowing to the load 300 of the atomization circuit, and send the first current value to the control circuit 100.
Step s130, if the first current value is in the first current range, it is determined that the load 300 of the atomization circuit is an atomizer.
The first current range is a current range which flows through the atomizer when the atomization circuit operates normally in the cigarette lighting mode. Because the first detection voltage corresponds to the cigarette lighting mode, the atomization circuit can normally operate only when the load 300 of the atomization circuit is an atomizer, and the first current value is in a first current range; if the load 300 of the atomization circuit is an external device or the atomization circuit is in an open circuit state, the atomization circuit cannot operate normally, and the first current value is outside the first current range.
In particular, the first current range may be greater than zero. In other words, after the first detection voltage is applied, if the first current value is determined to be greater than zero, which represents that current exists in the output circuit, then the load 300 of the atomization circuit can be determined to be an atomizer; if the first current value is determined to be zero, which represents that the output circuit has no current, then the load 300 of the atomization circuit can be determined to be an external device or no load.
In one embodiment, step S130 includes the following contents, please refer to fig. 5.
Step S131, judging whether the first current value is in a first current range, if so, executing step S132; otherwise, step S133 is performed.
In the embodiment of the present invention, the first detection voltage is applied to detect whether the load 300 of the atomization circuit is an atomizer, and if not, other voltages are continuously applied to detect whether the load 300 of the atomization circuit is an external device or the atomization circuit is in an open state.
Step s132, it is determined that the load 300 of the atomization circuit is an atomizer.
Step s133, the voltage output to the load 300 of the atomization circuit is adjusted until a second detection voltage corresponding to the charging mode is reached.
Wherein, the second detection voltage is the voltage that atomizing circuit can normally work under the charging mode and pass through the adapter to external equipment input. Specifically, the step may be: the voltage output to the load 300 of the atomizer circuit is increased until a second detection voltage corresponding to the charging mode is reached. The second detection voltage may be between 4.5V and 5.5V, for example 5V. Therefore, the second detection voltage is applied in order to detect whether the load 300 of the atomization circuit is an external device.
Step s134. receive a second current value of the load 300 of the atomization circuit at a second detection voltage.
After outputting the second detection voltage, the current detection circuit 200 may detect a second current value flowing to the load 300 of the atomization circuit and transmit the second current value to the control circuit 100.
Step s135, if the second current value is in the second current range, it is determined that the load 300 of the atomization circuit is the external device.
And the second current range is the current range of the external equipment flowing into the atomization circuit in normal operation in the charging mode. Since the second detection voltage corresponds to the charging mode, the atomization circuit can normally operate only when the load 300 of the atomization circuit is an external device, and the second current value is in the second current range; if the load 300 of the atomization circuit is an atomizer or the atomization circuit is in an open circuit state, the atomization circuit cannot normally operate, and the second current value is out of the second current range.
Specifically, if the external device connected to the adaptor is a mobile phone, the second current range may be a current range between 500mA and 1000 mA. At this time, after the second detection voltage is applied, if it is determined that the second current value is between 500mA and 1000mA, it may be determined that the load 300 of the atomization circuit is a mobile phone.
Specifically, step S135 includes: judging whether the second current value is larger than the second threshold value, if so, judging that the load 300 of the atomization circuit is external equipment; otherwise, if the second current value is zero, the atomization circuit is judged to be in an open circuit state.
The atomization circuit is in an open circuit state, in other words, the interface of the atomization circuit is not connected with any load. Therefore, the embodiment of the present invention can respectively identify whether the load 300 of the atomization circuit is an atomizer, an external device, or no load through the above implementation manner.
In one embodiment, before step S100, the method for controlling the atomization circuit further includes: judging whether an operation signal for switching the working mode is received or not, and if so, switching the atomization circuit to the working mode corresponding to the operation signal according to the operation signal; otherwise, step S100 is executed.
The operation signal for switching the operation mode may be a signal transmitted from the interaction apparatus 500 to the control circuit 100. Therefore, the method for controlling the atomization circuit provided by the embodiment of the invention can switch the atomization circuit to the working mode desired by the user according to the will of the user, can identify the load 300 of the atomization circuit by itself, and can switch to the working mode corresponding to the load 300 of the atomization circuit.
It should be noted that fig. 3 to fig. 5 are schematic flow charts of the method according to the embodiment of the present invention. It should be understood that, although the respective steps in the flowcharts of fig. 3 to 5 are sequentially shown as indicated by arrows, the steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least some of the steps in fig. 3-5 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or alternatingly with other steps or at least some of the sub-steps or stages of other steps.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. An atomization circuit is provided with a voltage output end, and is characterized in that the voltage output end can be connected with an atomizer for atomization or an adapter can be detachably mounted for charging external equipment; the atomization circuit comprises a battery assembly, a control circuit and a current detection circuit; the control circuit and the current detection circuit are respectively used for being electrically connected with a load of the atomization circuit through the voltage output end, and the load of the atomization circuit is the external equipment or the atomizer; the current detection circuit is also electrically connected with the control circuit;
the battery assembly is used for supplying power; the current detection circuit is used for detecting the current value of a load flowing into the atomization circuit and feeding the current value back to the control circuit; the control circuit is used for outputting a first detection voltage and a second detection voltage to a load of the atomization circuit, and identifying the load of the atomization circuit according to current values under the first detection voltage and the second detection voltage so as to enter a working mode corresponding to the load of the atomization circuit, wherein the working mode is a cigarette lighting mode, a charging mode and an open-circuit mode;
the first detection voltage is used for identifying whether the load is an atomizer or not, the second detection voltage is used for identifying whether the load is an external device or is idle, and the second detection voltage is greater than the first detection voltage;
the control circuit is used for outputting the first detection voltage, judging that the load of the atomization circuit is the atomizer when the current value of the load flowing into the atomization circuit is larger than zero, and judging that the load of the atomization circuit is not the atomizer if the current value of the load flowing into the atomization circuit is zero;
the control circuit is further used for increasing the output voltage to the second detection voltage when the load of the atomization circuit is not the atomizer, and if the current value of the load flowing into the atomization circuit is larger than zero, the load of the atomization circuit is judged to be external equipment; if no current exists, determining that the load is no load;
the atomization circuit is used for identifying that the load enters the cigarette lighting mode when the load is the atomizer, enters the charging mode when the load is the external equipment, and enters the open-circuit mode when the load is no-load.
2. The atomization circuit of claim 1 wherein the control circuit comprises a controller and an output control unit; the controller is respectively electrically connected with the output control unit and the current detection circuit; the output control unit is also used for electrically connecting a load of the atomization circuit;
the output control unit is used for regulating the voltage of the battery pack under the control of the controller; the controller is used for controlling the output control unit to output detection voltage to the load of the atomization circuit, and identifying the load of the atomization circuit according to the current value under the detection voltage so as to enter a working mode corresponding to the load of the atomization circuit.
3. The atomization circuit of claim 1 further comprising a voltage detection circuit; the voltage detection circuit is used for being electrically connected with a load of the atomization circuit and is also electrically connected with the control circuit;
the voltage detection circuit is used for detecting a voltage value of a load input to the atomization circuit and feeding the voltage value back to the control circuit; the control circuit is also used for adjusting the voltage of the load input to the atomization circuit according to the voltage value.
4. Nebulization circuit according to claim 1, characterized in that the nebulization circuit is provided with interaction means; the interaction device is electrically connected with the control circuit;
the interaction device is used for receiving an operation signal for switching the working mode of the atomization circuit; the control circuit is further used for controlling the atomization circuit to switch to a working mode corresponding to the operation signal according to the operation signal.
5. The aerosolization circuit of claim 4, wherein the interaction device comprises a key, a toggle switch, or a touch screen.
6. A method of atomization circuit control, the method comprising:
outputting a first detection voltage and a second detection voltage to a load of an atomization circuit, acquiring a current value of the load passing through the atomization circuit under the first detection voltage and the second detection voltage, and determining a working mode corresponding to the load of the atomization circuit according to the current value;
the first detection voltage is used for identifying whether the load is an atomizer or not, the second detection voltage is used for identifying whether the load is an external device or is idle, and the second detection voltage is greater than the first detection voltage;
when the current value of the load flowing into the atomization circuit is larger than zero, the load of the atomization circuit is judged to be the atomizer, and if the current value of the load flowing into the atomization circuit is zero, the load of the atomization circuit is judged not to be the atomizer; when the load of the atomization circuit is not the atomizer, increasing the output voltage to the second detection voltage, and if the current value of the load flowing into the atomization circuit is greater than zero, determining that the load of the atomization circuit is external equipment; if no current exists, determining that the load is no load;
the atomization circuit is provided with a voltage output end, and the voltage output end can be connected with an atomizer for atomization or can be detachably provided with an adapter for charging external equipment;
switching the atomization circuit to a working mode corresponding to the load of the atomization circuit, wherein the working mode is a cigarette lighting mode, a charging mode and an open-circuit mode; the atomization circuit enters the cigarette lighting mode when recognizing that the load is the atomizer, enters the charging mode when recognizing that the load is the external device, and enters the open-circuit mode when recognizing that the load is no-load.
7. The method according to claim 6, wherein the step of outputting a detection voltage to the load of the atomization circuit, obtaining a current value of the load passing through the atomization circuit at the detection voltage, and determining the operation mode corresponding to the load of the atomization circuit according to the current value comprises:
inputting a first detection voltage corresponding to a cigarette lighting mode to a load of the atomization circuit;
receiving a first current value of a load of the atomization circuit at the first detection voltage;
and if the first current value is in a first current range, judging that the load of the atomization circuit is an atomizer.
8. The atomization circuit control method according to claim 7, wherein if the first current value is in a first current range, the step of determining that the load of the atomization circuit is an atomizer comprises:
judging whether the first current value is in a first current range, if so, judging that the load of the atomization circuit is the atomizer; otherwise, adjusting the voltage output to the load of the atomization circuit until a second detection voltage corresponding to the charging mode is reached;
receiving a second current value of a load of the atomization circuit at the second detection voltage;
and if the second current value is in a second current range, determining that the load of the atomization circuit is the external equipment.
9. The atomization circuit control method according to claim 8, wherein if the second current value is in a second current range, the step of determining that the load of the atomization circuit is the external device includes:
judging whether the second current value is in the second current range, if so, judging that the load of the atomization circuit is the external equipment; otherwise, if the second current value is zero, the atomization circuit is judged to be in an open circuit state.
10. The atomization circuit control method according to any one of claims 6 to 9, wherein before the steps of outputting a detection voltage to a load of the atomization circuit, acquiring a current value of the load passing through the atomization circuit at the detection voltage, and determining an operation mode corresponding to the load of the atomization circuit according to the current value, the method further comprises:
judging whether an operation signal for switching a working mode is received or not, and if so, switching the atomization circuit to the working mode corresponding to the operation signal according to the operation signal; otherwise, outputting detection voltage to the load of the atomization circuit, obtaining the current value of the load passing through the atomization circuit under the detection voltage, and determining the working mode corresponding to the load of the atomization circuit according to the current value.
11. An atomization device comprises an atomization circuit, wherein the atomization circuit is provided with a voltage output end, and the atomization device is characterized in that the voltage output end can be connected with an atomizer for atomization or can be detachably provided with an adapter for charging external equipment; the atomization circuit comprises a battery assembly, a control circuit and a current detection circuit; the control circuit and the current detection circuit are respectively used for being electrically connected with a load of the atomization circuit through the voltage output end, and the load of the atomization circuit is the external equipment or the atomizer; the current detection circuit is also electrically connected with the control circuit;
the battery assembly is used for supplying power; the current detection circuit is used for detecting the current value of a load flowing into the atomization circuit and feeding the current value back to the control circuit; the control circuit is used for outputting a first detection voltage and a second detection voltage to a load of the atomization circuit, and identifying the load of the atomization circuit according to current values under the first detection voltage and the second detection voltage so as to enter a working mode corresponding to the load of the atomization circuit, wherein the working mode is a cigarette lighting mode, a charging mode and an open-circuit mode;
the first detection voltage is used for identifying whether the load is an atomizer or not, the second detection voltage is used for identifying whether the load is an external device or is idle, and the second detection voltage is greater than the first detection voltage;
the control circuit is used for outputting the first detection voltage, judging that the load of the atomization circuit is the atomizer when the current value of the load flowing into the atomization circuit is larger than zero, and judging that the load of the atomization circuit is not the atomizer if the current value of the load flowing into the atomization circuit is zero;
the control circuit is further used for increasing the output voltage to the second detection voltage when the load of the atomization circuit is not the atomizer, and if the current value of the load flowing into the atomization circuit is larger than zero, the load of the atomization circuit is judged to be external equipment; if no current exists, determining that the load is no load;
the atomization circuit is used for identifying that the load enters the cigarette lighting mode when the load is the atomizer, enters the charging mode when the load is the external equipment, and enters the open-circuit mode when the load is no-load.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229656.4A CN108685175B (en) | 2017-04-10 | 2017-04-10 | Atomization circuit, atomization device and atomization circuit control method |
| PCT/CN2018/080077 WO2018188469A1 (en) | 2017-04-10 | 2018-03-22 | Atomization circuit, atomization device, and control method for atomization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710229656.4A CN108685175B (en) | 2017-04-10 | 2017-04-10 | Atomization circuit, atomization device and atomization circuit control method |
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| CN108685175A CN108685175A (en) | 2018-10-23 |
| CN108685175B true CN108685175B (en) | 2020-08-25 |
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| CN201710229656.4A Active CN108685175B (en) | 2017-04-10 | 2017-04-10 | Atomization circuit, atomization device and atomization circuit control method |
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| CN111480897A (en) * | 2019-01-28 | 2020-08-04 | 常州市派腾电子技术服务有限公司 | Heating element, atomizer and electronic cigarette |
| CN211298448U (en) * | 2019-05-16 | 2020-08-21 | 厦门蜂涛陶瓷有限公司 | Non-contact electronic cigarette heater |
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| CN203897289U (en) * | 2014-04-24 | 2014-10-29 | 张银虎 | Electronic cigarette with function of portable power supply |
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| KR200478556Y1 (en) * | 2015-04-03 | 2015-10-19 | 이청수 | electronic cigarette |
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| WO2018188469A1 (en) | 2018-10-18 |
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