CN112089116A - Electronic atomizer and circuit thereof - Google Patents

Abstract

The invention discloses an electronic atomizer which is simple in circuit design and can provide larger charging current and a circuit thereof. The technical scheme is as follows: an electronic atomizer comprises a power supply cell, atomizing elements, a charging input end and a control circuit, wherein the control circuit comprises at least two branches, the number of the atomizing elements corresponds to the number of the branches, each branch is electrically connected with one atomizing element, and each branch is electrically connected with the charging input end and the power supply cell; when the charging input end does not input electric energy, if a working signal is received in the branch, the branch receiving the working signal controls the electric energy to be output to the correspondingly connected atomization element for supplying power; when the charging input end inputs electric energy, each branch circuit respectively outputs charging current and simultaneously charges the power supply cell, and if a working signal is received in each branch circuit in the charging process, the branch circuit receiving the working signal controls the electric energy to be output to the correspondingly connected atomization element for supplying power.

Description

Electronic atomizer and its circuit

technical field

The invention relates to the technical field of cigarette substitute products, in particular to an electronic atomizer and a circuit thereof.

Background technique

In recent years, as a substitute for cigarettes, electronic atomizers have been accepted and loved by more and more smokers because of their convenient use, safety and health. During use, the smoke generating element in the electronic atomizer generates heat or vibrates at a high frequency, which atomizes the smoking material to form smoke for smokers to inhale. When not in use, the electronic atomizer can be stored directly and put in a pocket or backpack.

At present, the common electronic atomizers on the market usually only contain one atomizing element and a power supply, and there is usually only one branch circuit in the circuit arrangement to control the operation of the smoke generating element and realize the charging and discharging of the power supply. Therefore, the existing electronic atomizer has the problems of simple functional experience and limited charging current design.

SUMMARY OF THE INVENTION

According to the deficiencies existing in the prior art, the technical problem solved by the present invention is to provide an electronic atomizer and its circuit with simple circuit design and capable of providing larger charging current.

In order to solve the above technical problems, the technical solution adopted in the present invention is: an electronic atomizer, comprising a power supply cell, an atomizing element, a charging input end and a control circuit, wherein the control circuit includes at least two branches, so the The set number of the atomizing elements corresponds to the number of the branches, each of the branches is electrically connected to one of the atomizing elements to control the operation of the atomizing elements, and each of the branches is electrically connected. Connect the charging input end and the power supply cell, the power supply cell can release electric energy to supply power to the branch; when the charging input end does not input electric energy, if the branch has received a working signal , then the branch circuit that receives the working signal controls the power output to supply power to the correspondingly connected atomizing element; when the charging input terminal inputs power, each of the branches outputs a charging current and simultaneously supplies power to the The power supply cell is charged, and if a working signal is received in the branch circuit during the charging process, the branch circuit that receives the working signal controls the power output to supply power to the correspondingly connected atomizing element.

Further, the number of the branches in this technical solution is two.

Further, the electronic components used in each of the branches of the technical solution and the electrical connection scheme of the electronic components are the same.

Further, each of the branches in this technical solution includes a charging module, an output control module, a signal detection module and a capacitive air pressure switch, and the charging module is used to convert the voltage connected to the charging input end into the charging module. The charging voltage of the power supply cell; the output control module is used to control the output voltage of the connecting branch to output the working voltage of the connected atomizing element; the capacitive air pressure switch is used to obtain the user's suction signal; The signal detection module is used to detect the capacitance change of the capacitive air pressure switch to determine whether the working signal is triggered.

Further, in this technical solution, the charging module, the output control module, and the signal detection module are all integrated into an integrated circuit to form a controller.

Further, the technical solution further includes a USB charging interface, and the charging input end is arranged in the USB charging interface.

Further, in the technical solution, each branch circuit further includes an LED signal light, and the signal light lamp is used to emit an optical signal to display the working state of the connecting branch circuit.

Further, the technical solution further includes a voltage stabilizing circuit, the voltage stabilizing circuit is arranged between the charging input end and the electrical connection point of each of the branches to stabilize the input voltage of each of the branches.

In order to solve the above technical problems, the technical solution of the present invention also provides a circuit of an electronic atomizer, which includes a cell connection terminal, two load connection terminals for connecting to a load, a charging input terminal and a control circuit. It includes a first branch circuit and a second branch circuit, the first branch circuit and the second branch circuit are both electrically connected to the charging input end and the battery cell connection end, and one of the two load connection ends is electrically connected to the charging input end and the battery cell connection end. The first branch is electrically connected to the second branch; the cell connection end is used to electrically connect an external power supply cell; when the charging input end does not input electrical energy, if the first branch is Or/and the second branch receives a working signal, the branch receiving the working signal controls the power supply cell to supply power to the connected load; when the charging input terminal inputs electrical energy, the first branch The first branch and/or the second branch respectively output charging current while charging the power supply cell. During the charging process, if the first branch or/and the second branch receive a working signal, the branch that receives the working signal will The output power supplies power to the connected load.

Further, the electronic components used in each of the branches of the technical solution and the electrical connection scheme of the electronic components are the same.

Further, each of the branches in this technical solution includes a charging module, an output control module, a signal detection module and a capacitive air pressure switch, and the charging module is used to convert the voltage connected to the charging input end into the charging module. The charging voltage of the power supply cell; the output control module is used to control the output voltage of the connection branch to output the working voltage of the connected load; the capacitive air pressure switch is used to obtain the user's suction signal; the The signal detection module is used to detect the capacitance change of the capacitive air pressure switch to determine whether the working signal is triggered.

Further, in this technical solution, the charging module, the output control module, and the signal detection module are all integrated into an integrated circuit to form a controller.

Further, the technical solution further includes a USB charging interface, and the charging input end is arranged in the USB charging interface.

Further, in the technical solution, each branch circuit further includes an LED signal light, and the signal light lamp is used to emit an optical signal to display the working state of the connecting branch circuit.

Further, the technical solution further includes a voltage stabilizing circuit, the voltage stabilizing circuit is arranged between the charging input end and the electrical connection point of each of the branches to stabilize the input voltage of each of the branches.

The main beneficial effects brought about by the technical solution provided by the present invention are: since the control circuit includes at least two branches, each of which is electrically connected to the power supply cell, when electrical energy is input to the charging input end, each branch is electrically connected to the power supply cell. The branches output charging currents respectively and simultaneously charge the power supply cells, so compared with the prior art, it has the advantages of faster heat dissipation and greater charging current. In addition, since each of the branches is electrically connected to an atomizing element to control the operation of the atomizing element, if a working signal is received in the branch, the branch that receives the working signal The circuit controls the power output to supply power to the correspondingly connected atomizing element, so this circuit can provide more working combinations for the electronic atomizer, so as to improve the use experience of the electronic atomizer.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural front view of the electronic atomizer in the embodiment of the present invention;

Fig. 2 is the structural sectional view of the power supply in Fig. 1;

Fig. 3 is the structural sectional view of the atomizer in Fig. 1;

4 is a schematic diagram of a circuit design arranged on a PCB in an embodiment of the present invention;

Fig. 5 is the circuit diagram under the connection state of the power supply and the atomizer in Fig. 1;

6 is a circuit block diagram after the first branch circuit is electrically connected to the power supply cell, the charging input end and the atomizing element in the embodiment of the present invention;

7 is a schematic circuit diagram of a charging module in an embodiment of the present invention;

8 is a schematic circuit diagram of an output control module in an embodiment of the present invention;

FIG. 9 is a circuit block diagram of a signal detection module in an embodiment of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and the accompanying drawings. It should be understood that the specific embodiments described in this section are only used to explain the present invention, but not to limit the present invention.

As shown in FIG. 1 , FIG. 2 , and FIG. 3 , which are schematic diagrams of the implementation environment of an electronic atomizer 100 provided by a preferred embodiment of the present invention. The electronic atomizer 100 includes a power supply 110 and two atomizing assemblies 120 with the same structure, and the power supply 110 and the two atomizing assemblies 120 are connected through a detachable connection structure. The power supply 110 includes a housing 111 , a power supply cell 112 , a PCB board 113 , an airway 114 , an airway 115 and a USB charging interface 116 , and the USB charging interface 116 preferably adopts a common interface common in the market. The power supply cell 112 , the PCB board 113 , the air passage 114 and the air passage 115 are all arranged in the casing 111 , and the USB charging interface 116 is arranged on one end surface of the power supply 110 (in other embodiments, the USB charging interface 116 can also be arranged in side of the power supply 110). Each atomizing assembly 120 includes a storage bin 121 for storing smoking material, an atomizing element 122, a connecting electrode 123 and an airflow channel 124, and the atomizing element 122 is electrically connected to the connecting electrode 123 to obtain electrical energy. As shown in the direction of the airflow arrow in FIG. 3 , the airflow channel 124 is used for the airflow to pass through so as to bring out the smoke generated by heating the smoking material by the atomizing element 122 for the user to inhale.

As shown in FIG. 2 and FIG. 4 , a circuit 140 is arranged on the PCB board 113 , and the circuit 140 includes a cell connection terminal 141 , a load connection terminal 142 for connecting to a load, a load connection terminal 143 for connecting to a load, and a charging terminal 143 . The input terminal 144 and the control circuit. The control circuit includes a first branch 145 and a second branch 146. The first branch 145 and the second branch 146 are both electrically connected to the charging input terminal 144 and the cell connection terminal 141 (that is, the two branches The circuit is connected in parallel between the charging input terminal 144 and the cell connection terminal 141). The load connection end 142 is electrically connected to the first branch 145 , the load connection end 143 is electrically connected to the second branch 146 ; the cell connection end 141 is used to electrically connect the power supply cell 112 ; the charging input end 144 is fixed in the USB charging interface 116 . After the two atomizing assemblies 120 are connected to the power supply 110 , as shown in FIG. 1 and FIG. 5 , while the electrical connection is completed, the load connecting end 142 and the load connecting end 143 are respectively connected to one atomizing element 122 . The airflow channel 124 in the atomizer assembly 120 connected to the load connection end 143 communicates with the air channel 114 , and the air channel 124 in the atomization assembly 120 connected to the load connection end 142 communicates with the air channel 115 .

As shown in FIG. 2 , FIG. 5 , and FIG. 6 , the cell connection end 141 is connected to the power supply cell 112 , and the power supply cell 112 releases electric energy to supply power to each branch. At this time, when the charging input terminal 144 does not input electrical energy, if the first branch 145 or/and the second branch 146 receive a working signal (such as a user's pumping signal), the branch control receiving the working signal The power supply cell 112 supplies power to the connected atomizing element 122; when the charging input terminal 144 inputs electrical energy, the first branch 145 and the second branch 146 respectively convert the input electrical energy into a charging voltage and simultaneously output a charging current to the power supply cell 112 is charging. During the charging process, if the first branch 145 or/and the second branch 146 receives a working signal, the branch receiving the working signal outputs electrical energy to supply power to the connected atomizing element 122 . In this embodiment, the electrical energy supplied to the atomizing element 122 by the branch receiving the working signal comes from the power supply cell 112 . In other embodiments, the power supply power output to the atomizing element 122 may also come from the charging input terminal 144 .

As shown in FIG. 4 , the electronic components used in the first branch 145 and the second branch 146 and the electrical connection scheme of each electronic component are the same. Specifically, as shown in FIG. 5 and FIG. 6 , the first branch 145 includes a charging module 1451, an output control module 1452, a signal detection module 1453, and a capacitive air pressure switch 1454 (or capacitive proximity switch, also called "microphone head"). ”), the control module 1471 and the LED signal light 1455, the charging module 1451 is used to convert the voltage connected to the charging input terminal 144 into the charging voltage of the power supply cell 112; the output control module 1452 is used to control the output voltage of the first branch 145 , to output the working voltage of the atomizing element 122 suitable for connection; the capacitive air pressure switch 1454 is used to detect the air pressure change in the airway 115 to determine whether the user has sucked the atomizing component 120; the signal detection module 1453 is used to detect The capacitance of the capacitive air pressure switch 1454 changes to determine whether a working signal is given; the control module 1471 is a microprocessor used to control the work of the first branch 145 (for example, the control module 1471 controls whether to supply power to the atomizing element 122 according to the working signal) . The signal light 1455 includes an LED driving module 14552 and a three-color LED light 14551 , and the signal light 1455 is used to emit a light signal to display the working state of the first branch 145 . In this embodiment, the charging module 1451 , the output control module 1452 , the signal detection module 1453 and the control module 1471 are integrated together to form the controller 147 . The purpose of integrating the charging module 1451 , the output control module 1452 , the signal detection module 1453 and the control module 1471 is to reduce the number of electronic components to ensure the consistency of the overall quality of the controller 147 .

Similarly, as shown in FIG. 4 and FIG. 5 , the second branch 146 includes a controller 148 , a capacitive air pressure switch 1464 and an LED signal light 1465 . pin 5), output control module (pin 6 of the lead wire in the figure) and signal detection module (pin 4 of the lead wire in the figure), the charging module is used to convert the voltage connected to the charging input end 144 to It is the charging voltage of the power supply cell 112; the output control module is used to control the output voltage of the second branch 146 to output the working voltage suitable for the connected atomizing element 122; the capacitive air pressure switch 1464 is used to detect the airway 114. The change of air pressure in order to judge whether the user has inhaled the atomizing component 120; the signal detection module is used to detect the change of the capacitance of the capacitive air pressure switch 1464 to judge whether the working signal is triggered; the microprocessor integrated in the controller 148 is used to control the first The operation of the second branch circuit 146 (for example, controlling whether to supply power to the atomizing element 122 according to the working signal); the signal lamp 1465 is used to emit a light signal to display the working state of the second branch circuit 146 .

More specifically, in this embodiment, as shown in FIG. 7 , FIG. 8 , and FIG. 9 , the specific layout scheme or composition block diagram of the charging module 1451 , the output control module 1452 and the signal detection module 1453 can be set with reference to the scheme in the figure, Common setting solutions disclosed in the prior art can also be used to implement related functions. The control module 1471 is a single-chip microcomputer that stores a processing program.

In this embodiment, the circuit 140 further includes a voltage-stabilizing circuit 149 , and the voltage-stabilizing circuit 149 is arranged between the charging input end 144 and the electrical connection points of each branch to stabilize the voltage between the first branch 145 and the second branch 146 . Input voltage. Wherein, the voltage regulator circuit 149 includes a capacitor C3.

Since the control circuit includes the first branch 145 and the second branch 146, each branch is electrically connected to the power supply cell 112, and the power supply cell 112 can release electric energy to supply power to each branch. Each branch converts the input electrical energy into a charging voltage and outputs a charging current to charge the power supply cell 112 , so compared with the prior art scheme using multiple branches, it has the advantages of faster heat dissipation and greater charging current. In addition, since each branch is electrically connected with an atomizing element 122 to control the operation of the atomizing element 122, if a certain branch receives a working signal, the branch receiving the working signal will control the power output to the corresponding connected Therefore, the circuit can provide the electronic atomizer 100 with various working combinations of the atomizing components 120, so as to improve the use experience of the electronic atomizer 100. Since the electronic components used in the first branch 145 and the second branch 146 and the electrical connection scheme of each electronic component are the same, the consistency of each branch can be better ensured, and the charging effect and fog control can be improved. The performance of the chemical element 122 is better.

In other embodiments, in order to obtain a larger charging current and more output control schemes (controlling more atomizing elements to work), the number of branches in the control circuit 140 can also be set as required, such as setting three Branch or 4 Branches or 5 Branches.

The principles and implementations of the present invention are described above using specific examples. It should be understood that the above implementations are only used to help understand the present invention, and should not be construed as limiting the present invention. For those skilled in the art, according to the idea of the present invention, any minor improvements or equivalent substitutions made to the structural form or structure of the present invention should be included within the scope of protection.

Claims (10)

1. The utility model provides an electronic atomizer, includes power supply electricity core, atomizing element, charge input and control circuit, its characterized in that: the control circuit comprises at least two branches, the setting number of the atomization elements corresponds to the number of the branches, each branch is electrically connected with one atomization element to correspondingly control the work of the atomization element, each branch is electrically connected with the charging input end and the power supply battery cell, and the power supply battery cell can release electric energy to supply power to the branches; when the charging input end does not input electric energy, if a working signal is received in the branch, the branch receiving the working signal controls the electric energy to be output to the correspondingly connected atomization element for supplying power; when the charging input end inputs electric energy, each branch circuit respectively outputs charging current and simultaneously charges the power supply cell, and if a working signal is received in each branch circuit in the charging process, the branch circuit receiving the working signal controls the electric energy to be output to the correspondingly connected atomization element for supplying power.

2. The electronic atomizer of claim 1, wherein: the number of the branches is two.

3. The electronic atomizer of claim 1, wherein: the electronic components and the electric connection schemes of the electronic components adopted in each branch are the same.

4. The electronic atomizer of claim 1, wherein: each branch circuit comprises a charging module, an output control module, a signal detection module and a capacitive air pressure switch, wherein the charging module is used for converting the voltage accessed by the charging input end into the charging voltage of the power supply cell; the output control module is used for controlling the output voltage of the connecting branch so as to output the working voltage of the connected atomization element; the capacitive air pressure switch is used for acquiring a suction signal of a user; the signal detection module is used for detecting the capacitance change of the capacitance type air pressure switch so as to judge whether the working signal is triggered.

5. The electronic atomizer of claim 4, wherein: the charging module, the output control module and the signal detection module are integrated in an integrated circuit to form the controller.

6. The electronic atomizer of claim 1, wherein: still include the USB interface that charges, the input that charges is located in the USB interface that charges.

7. The electronic atomizer according to any one of claims 1 to 6, wherein: each branch circuit also comprises an LED signal lamp, and the signal lamp is electrically used for sending out light signals to display the working state of the connecting branch circuit.

8. The electronic atomizer according to any one of claims 1 to 6, wherein: the charging circuit further comprises a voltage stabilizing circuit, wherein the voltage stabilizing circuit is arranged between the charging input end and the electric connection points of the branches to stabilize the input voltage of the branches.

9. A circuit for an electronic atomizer, comprising: the charging circuit comprises a battery cell connecting end, a load connecting end used for connecting a load, a charging input end and a control circuit, wherein the control circuit comprises a first branch circuit and a second branch circuit, the first branch circuit and the second branch circuit are both electrically connected with the charging input end and the battery cell connecting end, one of the two load connecting ends is electrically connected with the first branch circuit, and the other load connecting end is electrically connected with the second branch circuit; the battery cell connecting end is used for electrically connecting an external power supply battery cell; when the charging input end does not input electric energy, if the first branch circuit or/and the second branch circuit receives a working signal, the branch circuit receiving the working signal controls the power supply cell to supply power to the connected load; when the charging input end inputs electric energy, the first branch circuit and the second branch circuit respectively output charging current and simultaneously charge the power supply cell, and if the first branch circuit or/and the second branch circuit receive working signals in the charging process, the branch circuit receiving the working signals outputs the electric energy to supply power to the connected load.

10. The circuit of claim 9, wherein: the additional features of any of claims 3 to 8 are also included.

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