CN109567276B - Non-contact heating element and electron cigarette - Google Patents
Non-contact heating element and electron cigarette Download PDFInfo
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- CN109567276B CN109567276B CN201811455798.3A CN201811455798A CN109567276B CN 109567276 B CN109567276 B CN 109567276B CN 201811455798 A CN201811455798 A CN 201811455798A CN 109567276 B CN109567276 B CN 109567276B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 166
- 235000019504 cigarettes Nutrition 0.000 title description 5
- 239000003571 electronic cigarette Substances 0.000 claims abstract description 123
- 238000001514 detection method Methods 0.000 claims description 45
- 238000005452 bending Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 241000208125 Nicotiana Species 0.000 description 21
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 21
- 230000005674 electromagnetic induction Effects 0.000 description 10
- 230000000391 smoking effect Effects 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229910000863 Ferronickel Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229960002715 nicotine Drugs 0.000 description 1
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a non-contact heating assembly and an electronic cigarette. The electronic cigarette comprises an electronic cigarette shell, a heating cylinder, a heating mechanism, a coil, a control assembly and a battery unit, wherein the heating cylinder, the heating mechanism, the coil, the control assembly and the battery unit are arranged in the electronic cigarette shell; the heating mechanism is fixed in a cavity of the heating cylinder; the coil is connected with the control assembly, and the control assembly is used for controlling the first electromagnetic signal of coil transmission in order to heat heating mechanism, still is used for controlling the second electromagnetic signal of coil reception external emission in order to carry out wireless charging for the battery cell, and the electronic cigarette has realized the reuse of coil resource, can just can realize heating function and wireless function of charging based on a coil, has reduced the quantity of coil, has reduced the volume of product, also can realize the effect that energy loss is minimum simultaneously, has improved heating efficiency.
Description
Technical Field
The application relates to the technical field of electronic cigarettes, in particular to a non-contact heating assembly and an electronic cigarette.
Background
The electronic cigarette is an electronic product imitating cigarettes, has the same appearance, smoke, taste and feel as cigarettes, and is a product which is smoked by a user after nicotine and the like are changed into steam through means of atomization and the like. Generally, the non-contact heating element in the electron cigarette structurally needs heat conduction silk screen, heat preservation cotton layer, the heating seat of large tracts of land, and fixing device, the equipment is very more complicated to see through heat conduction silk screen heating casing, then just heat the tobacco tar in the atomizer, there is multistage energy transmission in the centre, and heating rate is slow, and user experience is not good.
Disclosure of Invention
The embodiment of the application provides a non-contact heating assembly and an electronic cigarette, which can improve heating efficiency and realize a non-contact heating function and a wireless charging function.
A non-contact heating assembly for wirelessly charging and heating an electronic cigarette, the assembly comprising:
the detection control circuit is used for detecting the working state of the electronic cigarette and outputting a first control signal or a second control signal according to the working state, wherein the working state comprises a sucking state and a charging state;
the tuning transceiver circuit is connected with the detection control circuit and is used for receiving the first control signal and transmitting a first electromagnetic signal or receiving the second control signal and receiving a second electromagnetic signal transmitted by external equipment, and the frequencies of the first electromagnetic signal and the second electromagnetic signal are different;
the heating mechanism is arranged at intervals with the tuning receiving and transmitting circuit and is used for receiving the first electromagnetic signal to generate vortex generating heat so as to heat the electronic cigarette; and
And the charging circuit is connected with the tuning receiving and transmitting circuit and is used for receiving the second electromagnetic signal to wirelessly charge the battery unit in the electronic cigarette.
The non-contact heating assembly in the above embodiment is configured to detect a working state of the electronic cigarette, and output a first control signal or a second control signal according to the working state, where the tuning transceiver circuit receives the first control signal and transmits a first electromagnetic signal, or receives the second control signal and receives a second electromagnetic signal; the heating mechanism receives the first electromagnetic signal to generate vortex generated heat so as to heat the electronic cigarette, the charging circuit receives the second electromagnetic signal to wirelessly charge a battery unit in the electronic cigarette, the non-contact heating function and the wireless charging function can be realized based on the component, the effect of minimizing energy loss can be realized, and the heating efficiency is improved.
In one embodiment, the detection control circuit includes:
the airflow detection unit is used for detecting airflow information in the electronic cigarette;
the in-place detection unit is used for detecting the charging information of the electronic cigarette;
the controller is connected with the detection control circuit; and the working state is determined according to the airflow information and the charging information, the first control signal is sent when the electronic cigarette is in a sucking state, and the second control signal is sent when the electronic cigarette is in a charging state.
In one embodiment, the tuning transceiver circuit comprises: the device comprises a switch unit, a first tuning unit, a second tuning unit and a coil; the switch unit is respectively connected with the controller, the first tuning unit, the second tuning unit and the coil, wherein,
the switch unit receives the first control signal and is connected with the first tuning unit in a conducting way, and the first tuning unit is used for controlling the coil to emit the first electromagnetic signal;
the switch unit receives the second control signal and is connected with the second tuning unit in a conducting mode, and the second tuning unit is used for controlling the coil to receive the second electromagnetic signal.
In one embodiment, the detection control circuit, the switch unit, the first tuning unit, the second tuning unit and the charging circuit are all arranged on a circuit board of the electronic cigarette.
An electronic cigarette comprises an electronic cigarette shell, and a heating cylinder, a heating mechanism, a coil, a control assembly and a battery unit which are arranged in the electronic cigarette shell; wherein,
the heating cylinder is arranged on the inner side of the electronic cigarette shell, and the heating mechanism is fixed in the cavity of the heating cylinder;
the coil is connected with the control component, and the control component is used for controlling the coil to emit a first electromagnetic signal to heat the heating mechanism and is also used for controlling the coil to receive a second electromagnetic signal emitted by external equipment to wirelessly charge the battery unit.
The electronic cigarette in the above embodiment can be heated for heating mechanism based on electromagnetic heating principle through the first electromagnetic signal of transmission of control assembly control coil, and then directly heats tobacco leaf or tobacco tar, and heating rate is fast, and need not the contact, has avoided heating mechanism to harm inner structure, simultaneously, can also receive the second electromagnetic signal through control assembly control coil, can produce induced current through the electromagnetic induction of coil, realizes the transmission of energy and charges for the battery cell. The electronic cigarette realizes the recycling of coil resources, can realize a heating function and a wireless charging function based on the coils, reduces the number of the coils, reduces the volume of products, can realize the effect of minimizing energy loss and improves the heating efficiency.
In one embodiment, a first accommodating cavity and a second accommodating cavity which are mutually communicated are arranged in the electronic cigarette shell, wherein,
the coil and the heating cylinder are adjacently arranged and installed in the first accommodating cavity;
the control assembly is connected with the battery unit and is installed in the second accommodating cavity.
In one embodiment, the heating mechanism includes an integrally formed cutting portion, a bending portion and an extending portion, wherein a plane where the cutting portion is located and a plane where the coil is located are arranged in parallel, and the extending portion is arranged in parallel with a central axis of the heating cylinder.
In one embodiment, the cutting portion is helical.
In one embodiment, the heating mechanism is made of magnetic conductive material.
In one embodiment, the control assembly comprises:
the detection control circuit is used for detecting the working state of the electronic cigarette and outputting a first control signal or a second control signal according to the working state, wherein the working state comprises a sucking state and a charging state;
the tuning circuit is respectively connected with the detection control circuit and the coil; wherein, the first electromagnetic signal is used for controlling the transmitting power of the first electromagnetic signal transmitted by the coil according to the first control signal, or the second electromagnetic signal is used for controlling the coil to receive the second electromagnetic signal according to the second control signal, and the frequencies of the first electromagnetic signal and the second electromagnetic signal are different;
and the charging circuit is connected with the tuning circuit and is used for wirelessly charging the battery unit according to the second electromagnetic signal received by the coil.
In one embodiment, the detection control circuit includes:
the airflow detection unit is used for detecting airflow information in the electronic cigarette;
the in-place detection unit is used for detecting the charging information of the electronic cigarette;
the controller is connected with the detection control circuit; and the working state is determined according to the airflow information and the charging information, the first control signal is sent when the electronic cigarette is in a sucking state, and the second control signal is sent when the electronic cigarette is in a charging state.
In one embodiment, the tuning circuit includes: the device comprises a switch unit, a first tuning unit and a second tuning unit; the switch unit is respectively connected with the controller, the first tuning unit, the second tuning unit and the coil, wherein,
the switch unit receives the first control signal and is connected with the first tuning unit in a conducting way, and the first tuning unit is used for controlling the coil to emit the first electromagnetic signal;
the switch unit receives the second control signal and is connected with the second tuning unit in a conducting mode, and the second tuning unit is used for controlling the coil to receive the second electromagnetic signal.
In one embodiment, the electronic cigarette further comprises a temperature unit connected with the controller, wherein the temperature unit is used for receiving a temperature adjustment instruction of a user to control the controller to adjust the transmitting power of the second electromagnetic signal so as to adjust the temperature of the heating mechanism.
In one embodiment, the heating mechanism is disposed adjacent to the coil, the heating mechanism for receiving the first electromagnetic signal to generate eddy currents to heat the heating mechanism.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a non-contact heating assembly in one embodiment;
FIG. 2 is a block diagram of a non-contact heating assembly in another embodiment;
FIG. 3 is a cross-sectional view of an electronic cigarette in one embodiment;
fig. 4 is a perspective view of an electronic cigarette according to an embodiment;
FIG. 5 is a partial schematic view of the electronic cigarette of FIG. 3;
FIG. 6 is a schematic diagram of a control assembly according to an embodiment.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Preferred embodiments of the present application are shown in the drawings. This application 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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
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 application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a non-contact heating component, which is used for wirelessly charging and heating electronic cigarettes, as shown in fig. 1, and comprises: the device comprises a detection control circuit 110, a tuning transceiver circuit 120, a heating mechanism 130 and a charging circuit 140. Wherein,
the detection control circuit 110 is configured to detect an operation state of the electronic cigarette, and output a first control signal or a second control signal according to the operation state, where the operation state includes a sucking state and a charging state.
The smoking state can be understood as a state that the electronic cigarette is smoked by a user, and when the user smokes, the current state of the electronic cigarette can be understood as the smoking state. When the electronic cigarette is in the smoking state, the detection control circuit 110 may send out a corresponding control signal, i.e. a first control signal. The charging state is understood to be whether the electronic cigarette is in a wireless charging state, and when the electronic cigarette is detected to be placed on the transmitting end of the wireless charger, the current state of the electronic cigarette can be understood to be the charging state. When the electronic cigarette is in the charging state, the detection control circuit 110 may send out a corresponding control signal, i.e. a second control signal.
The tuning transceiver circuit 120 is connected to the detection control circuit 110, and is configured to receive a first control signal and transmit a first electromagnetic signal, or configured to receive a second control signal and receive a second electromagnetic signal transmitted by an external device, where the frequencies of the first electromagnetic signal and the second electromagnetic signal are different. When the tuning transceiver circuitry 120 receives the first control signal, it may control the transmission of the first electromagnetic signal; when the tuning transceiving circuit 120 receives the second control signal, it may control to receive the second electromagnetic signal transmitted from the external device. Wherein the frequencies of the first electromagnetic signal and the second electromagnetic signal are different. The external device may be capable of wireless communication with the electronic cigarette, and the external device may be a wireless transmitting terminal including a coil.
The heating mechanism 130 is disposed at a distance from the tuning transceiver circuit 120, and is configured to receive the first electromagnetic signal to generate heat generated by eddy currents to heat the electronic cigarette. Wherein the heating mechanism 130 is made of a magnetic conductive material. When the heating mechanism 130 receives the first electromagnetic signal, an eddy current is generated to generate heat to the heating mechanism 130, thereby heating the mechanism 130. Specifically, when the tuning transceiver circuit 120 generates the first electromagnetic signal to form the alternating magnetic field, the magnetic conduction mechanism is disposed therein to cut the alternating magnetic lines of force, so as to generate alternating current in the object, and the eddy current makes atoms in the magnetic mechanism move randomly at a high speed, so that the atoms collide and rub with each other to generate heat energy, thereby realizing heating of the heating mechanism 130. The tobacco leaves or tobacco tar can be directly heated through the heating mechanism 130, so that the loss of intermediate heat transfer is reduced, and the heating speed is increased.
The charging circuit 140 is connected to the tuning transceiver circuit 120, and is configured to receive the second electromagnetic signal to wirelessly charge the battery unit 150 in the electronic cigarette. The wireless charging mainly adopts electromagnetic induction technology to realize wireless charging of the battery unit. The electromagnetic induction technology can be understood as Faraday magneto electricity generation technology, and a coil for transmitting a second electromagnetic signal is arranged outside the electronic cigarette. When alternating current with a certain frequency flows through the transmitting end coil, a second electromagnetic signal is emitted outwards, and the tuning receiving and transmitting circuit 120 in the electronic cigarette can receive the second electromagnetic signal to generate induction current, so that energy transfer is realized, and the battery unit is charged.
Specifically, the charging circuit 140 includes a wireless receiving chip for converting the received induced current into a direct current signal to charge the battery cell. Wherein the induced current is generated by electromagnetic induction of the first electromagnetic signal received by the tuning transceiver circuit 120.
The battery type of the battery unit can be at least one of a lead-acid battery, a nickel-hydrogen battery, a sodium-sulfur battery, a flow battery, a super capacitor, a lithium battery and a flexible battery. The battery types in the battery cells are the same, the number of batteries included in the same battery cell may be 1, 2, 3, or more, and if the number of batteries is greater than 1, the respective batteries in the battery cells are connected in series. For example, the battery cell may be a lithium battery including two lithium batteries connected in series.
The non-contact heating assembly in the above embodiment, the detection control circuit 110 is configured to detect an operating state of the electronic cigarette, and output a first control signal or a second control signal according to the operating state, and the tuning transceiver circuit 120 receives the first control signal and transmits a first electromagnetic signal, or receives the second control signal and receives a second electromagnetic signal; the heating mechanism 130 receives the first electromagnetic signal to generate vortex generating heat so as to heat the electronic cigarette, the charging circuit 140 receives the second electromagnetic signal so as to wirelessly charge the battery unit in the electronic cigarette, the non-contact heating function and the wireless charging function can be realized based on the component, the effect of minimizing energy loss can be realized, and the heating efficiency is improved.
As shown in fig. 2, in one embodiment, the detection control circuit 110 includes an airflow detection unit 111, an in-situ detection unit 113, and a controller 115.
And an airflow detecting unit 111, configured to detect airflow information in the electronic cigarette. For example, the airflow detecting unit 111 may be an airflow sensor for detecting a flow signal and a pressure difference signal of the gas, so as to obtain airflow information of the electronic cigarette. And the in-situ detection unit 113 is used for detecting the charging information of the electronic cigarette. For example, the in-place detecting unit 113 may detect whether the coil L generates an alternating current of a certain frequency, and when the coil L generates an alternating current, it may be considered that the electronic cigarette is connected to the transmitting end of the external wireless charger and is in a charged state.
The controller 115 is connected to the airflow detecting unit 111 and the in-place detecting unit 113, respectively. The controller 115 can determine the operating state based on the airflow information and the charging information. And when the electronic cigarette is in a sucking state, a first control signal is sent, and when the electronic cigarette is in a charging state, a second control signal is sent.
In one embodiment, tuning transceiver circuitry 120 comprises: a switching unit 121, a first tuning unit 123, a second tuning unit 125, and a coil L. The switching unit 121 is connected to the controller 115, the first tuning unit 123, the second tuning unit 125, and the coil L, respectively. The switch unit 121 receives a first control signal and is connected to the first tuning unit 123 in a conducting manner, and the first tuning unit 123 is used for controlling the coil L to emit a first electromagnetic signal; the switch unit 121 receives the second control signal and is connected to the second tuning unit 125 in a conductive manner, and the second tuning unit 125 is configured to control the coil L to receive the second electromagnetic signal.
Specifically, the switch unit 121 may be a single pole double throw switch, a relay, a valve, or other controllable switch tube. The switching unit 121 can be turned on with the first tuning unit 123 according to the first control signal output from the controller 115, and can be turned on with the second tuning unit 125 according to the second control signal output from the controller 115.
Specifically, the first tuning unit 123 is connected to the coil L through the switching unit 121. The first tuning unit 123 may adjust the power of the first electromagnetic signal emitted by the coil L, thereby adjusting the heat generated by the heating mechanism 130 to implement the heating process of the heating mechanism 130.
Specifically, the second tuning unit 125 is connected to the coil L through the switching unit 121, and the second tuning unit 125 is also connected to the charging circuit 140. The second tuning unit 125 may adjust the frequency of the second electromagnetic signal received by the coil L, so that the coil L generates an induced ac power with a certain frequency, and further converts the induced ac power into a dc signal through the charging circuit 140 to charge the battery unit.
Specifically, the coil L is disposed at an interval relative to the heating mechanism 130. By frequency tuning control of the coil L, the coil L can operate at a plurality of frequencies, i.e. the coil L can be used for receiving electromagnetic signals of different frequency bands transmitted by an external device, and the coil L can also transmit electromagnetic signals of different frequency bands. In particular, the coil L may be of a spiral or disc-like structure.
In an embodiment, the non-contact heating assembly can control the coil L to emit a first electromagnetic signal, and based on an electromagnetic heating principle, the heating mechanism 130 is heated, the heating speed is high, no contact is needed, the heating mechanism 130 is prevented from damaging an internal structure, meanwhile, the control coil L can also receive a second electromagnetic signal, and an induction current can be generated through electromagnetic induction of the coil L, so that energy is transferred to charge the battery unit. The non-contact heating assembly realizes the recycling of coil L resources, can realize a heating function and a wireless charging function based on the coil L, reduces the number of the coils L, reduces the volume of the non-contact heating assembly, can realize the effect of minimizing the energy loss, and improves the heating efficiency.
In an embodiment, the detection control circuit 110, the switch unit 121, the first tuning unit 123, and the second tuning unit 125, and the charging circuit 140 are all disposed on a circuit board of the electronic cigarette. The coil L is connected to the switching unit 121 of the circuit board through a coaxial line.
The application further provides the electronic cigarette. As shown in fig. 3 and 4, the electronic cigarette includes an electronic cigarette housing 310, and a heating cylinder 320, a heating mechanism 330, a coil 340, a control assembly 350, and a battery unit 360 disposed within the electronic cigarette housing 310.
In one embodiment, the heating cylinder 320 is mounted inside the electronic cigarette housing 310, and the heating mechanism 330 is fixed within the cavity of the heating cylinder 320. Tobacco leaves or tobacco tar of the electronic cigarette can be placed in the heating cylinder 320, and the tobacco leaves or the tobacco tar can be directly heated through the heating mechanism 330 by heating the heating mechanism 330 in the heating cylinder 320, so that the heating speed is high.
In an embodiment, the electronic cigarette housing 310 is provided with a first accommodating cavity 311 and a second accommodating cavity 313 which are mutually communicated. The heating cylinder 320 may be installed in the first receiving chamber 311 of the e-cigarette housing 310. For example, the heating cylinder 320 may be mounted in the first receiving cavity 311 of the electronic cigarette housing 310 by an internal screw lock. The heating cylinder 320 is installed in such a detachable manner, so that a user can maintain, clean and replace the heating cylinder 320.
In an embodiment, the coil 340 may also be fixedly mounted in the first accommodating cavity 311 of the electronic cigarette housing 310, and the coil 340 and the heating cylinder 320 are disposed adjacent to each other. By controlling the frequency tuning of the coil 340, the coil 340 may be operated at a plurality of frequencies, i.e. the coil 340 may be adapted to receive second electromagnetic signals of different frequency bands transmitted by an external device, and the coil 340 may also transmit first electromagnetic signals of different frequency bands. In particular, the coil 340 may be a spiral or disk-like structure.
In one embodiment, the control assembly 350 may be mounted within the second receiving chamber 313. Wherein the control assembly 350 is coupled to the coil 340. The control assembly 350 is configured to control the coil 340 to emit a first electromagnetic signal to heat the heating mechanism 330. Specifically, because the coil 340 is disposed adjacent to the heating mechanism 330, the coil 340 can emit the first electromagnetic signals with different frequencies under the control of the control component 350, and when the heating mechanism 330 receives the first electromagnetic signals, eddy currents are generated to generate heat, so that tobacco leaves or tobacco tar can be directly heated by the heating mechanism 330, and the heating speed is high.
In the present application, based on the electromagnetic heating principle, the control assembly 350 may cause an alternating current to generate an alternating magnetic field through the coil 340, and the heating mechanism 330 is disposed therein to cut alternating magnetic lines of force, thereby generating an alternating current inside the heating mechanism 330, and the eddy current causes atoms inside the heating mechanism 330 to randomly move at a high speed, and the atoms collide with each other and rub to generate heat energy, thereby heating the article. The heating mechanism 330 can directly heat tobacco leaves or tobacco tar, so that the loss of intermediate heat transfer is reduced, the heating speed is accelerated, the use of structural members such as a heat conducting wire mesh, a heating seat and the like is avoided, and the structural design is simplified.
In an embodiment, the battery unit 360 may also be mounted in the second receiving chamber. The battery type of the battery unit 360 may be at least one of a lead-acid battery, a nickel-hydrogen battery, a sodium-sulfur battery, a flow battery, a super capacitor, a lithium battery, and a flexible battery, among others. The battery types in the battery cells 360 are the same, the number of batteries included in the same battery cell 360 may be 1, 2, 3, or more, and if the number of batteries is greater than 1, the respective batteries in the battery cells 360 are connected in series. For example, the battery cell 360 may be a lithium battery including two lithium batteries connected in series.
The control assembly 350 is configured to control the coil 340 to receive the second electromagnetic signal to wirelessly charge the battery unit 360. The wireless charging mainly adopts an electromagnetic induction technology to realize wireless charging of the battery unit 360. The electromagnetic induction technology can be understood as faraday magneto electricity generation technology, external equipment (wireless charger transmitting end) for transmitting a second electromagnetic signal is arranged outside the electronic cigarette, when a coil of the transmitting end flows through alternating current with a certain frequency, the electromagnetic signal is transmitted outwards, and a coil 340 inside the electronic cigarette receives the second electromagnetic signal to generate induction current, so that energy transmission is realized, and the battery unit 360 is charged.
Further, the electronic cigarette further includes a circuit board built in the second accommodating cavity, and the control assembly 350 is mounted on the circuit board. Wherein the coil 340 is connected to the control assembly 350 of the circuit board by means of a coaxial line.
In the electronic cigarette in the above embodiment, the control component 350 may control the coil 340 to emit the first electromagnetic signal, and based on the electromagnetic heating principle, the heating mechanism 330 heats the tobacco leaf or tobacco tar directly, so that the heating speed is fast, and no contact is required, the heating mechanism 330 is prevented from damaging the internal structure, and meanwhile, the control component 350 may control the coil 340 to receive the second electromagnetic signal, and the induction current may be generated by the electromagnetic induction of the coil 340, so as to realize the energy transfer to charge the battery unit 360. The electronic cigarette realizes the recycling of the coil 340 resources, can realize the heating function and the wireless charging function based on the coil 340, reduces the number of the coils 340, reduces the volume of products, can realize the effect of minimizing the energy loss, and improves the heating efficiency.
In one embodiment, the heating mechanism 330 may be a magnetically conductive material, such as a metal magnetically conductive material. The metal magnetic conductive material can comprise pure iron, low carbon steel, ferrosilicon alloy, ferroaluminum alloy, ferrosilicon-aluminum alloy, ferronickel alloy, ferrocobalt alloy, soft magnetic ferrite, or nonmetal magnetic conductive material, such as amorphous soft magnetic alloy, ultra-microcrystalline soft magnetic alloy, etc.
When the heating mechanism 330 is made of magnetic conductive material, the coil 340 generates a first electromagnetic signal to form an alternating magnetic field, and the magnetic conductive mechanism cuts alternating magnetic lines of force therein, so that alternating current is generated inside the object, and the eddy current causes atoms inside the magnetic mechanism to move at random at a high speed, and the atoms collide with each other and rub to generate heat energy, thereby realizing heating of the heating mechanism 330.
As shown in fig. 5, in one embodiment, the heating mechanism 330 may be a heating rod, and the heating mechanism 330 is fixed in the heating cylinder 320. The heating cylinder 320 includes a bottom 321, a curved side 323, and an opening 325 disposed opposite the bottom. The heating mechanism 330 includes an integrally formed cut portion 331, a bent portion 333, and an extension portion 335. The plane of the cutting portion 331 and the plane of the coil 340 are parallel to each other, and the extending portion 335 is parallel to the central axis of the heating cylinder 320.
Specifically, the cutting portion 331 has a spiral structure and is disposed parallel to the bottom surface 321 of the heating cylinder 320, that is, is disposed opposite to the coil 340, so as to increase the area of the cutting magnetic lines, and increase the heating speed. For example, the structure may be a square spiral, a circular spiral, an elliptical spiral, or the like. The cutting portion 331 of the heating mechanism 330 and the bottom surface 321 of the heating cylinder 320 may have a gap with a certain distance, and the size of the gap may be adjusted according to practical requirements.
Specifically, the bending portion 333 may include a first bending portion and a second bending portion formed integrally, where the first bending portion and the second bending portion may be disposed in a spiral shape or a rod shape, and an included angle between the first bending portion and the second bending portion may be set to be any angle. Meanwhile, the lengths of the first bending part and the second bending part can be the same or different, and the lengths, the shapes and the relative included angles of the first bending part and the second bending part are not further limited.
Specifically, the extension 335 may be provided as an extension rod, the extension direction of which extension 335 is parallel to the central axis direction of the heating cylinder 320. Wherein the central axis may refer to the X-axis direction in fig. 3. For example, the extensions may be disposed on the central axis of the heating cylinder 320, i.e., the extensions are equidistant from the circumferential curved sides 323 of the heating cylinder 320. During the heating process, it may be that the tobacco leaves or tobacco tar in the heating cylinder 320 are heated more uniformly.
In this embodiment, the heating mechanism 330 can be heated by using the coil 340 based on the electromagnetic heating principle, so that tobacco leaves or tobacco tar can be directly heated by the heating mechanism 330, the loss of middle heat transfer is reduced, the heating speed is accelerated, the structural members such as a heat conducting wire mesh, a heating seat and the like are avoided in the traditional scheme, and the structural design is simplified.
As shown in fig. 6, in one embodiment, the control component 350 includes a detection control circuit 351, a tuning circuit 353, and a charging circuit 355. The detection control circuit 351 is connected to the coil 340, and is configured to detect a working state of the electronic cigarette, and output a first control signal or a second control signal according to the working state, where the working state includes a sucking state and a charging state.
The smoking state can be understood as a state that the electronic cigarette is smoked by a user, and when the user smokes, the current state of the electronic cigarette can be understood as the smoking state. When the electronic cigarette is in the smoking state, the detection control circuit 351 can send out a corresponding control signal, namely a first control signal.
The charging state can be understood as whether the electronic cigarette is in a wireless charging state, and when the electronic cigarette is detected to be placed on the transmitting end of the wireless charger, the current state of the electronic cigarette can be understood as the charging state. When the electronic cigarette is in the charging state, the detection control circuit 351 can send out a corresponding control signal, namely a second control signal.
A tuning circuit 353 connected to the detection control circuit 351; wherein, the first electromagnetic signal is controlled by the first control signal to control the coil 340 to emit the first electromagnetic signal, or the second electromagnetic signal is controlled by the second control signal to control the coil 340 to receive the second electromagnetic signal, and the frequencies of the first electromagnetic signal and the second electromagnetic signal are different.
The charging circuit 355 is connected to the tuning circuit 353, and is configured to wirelessly charge the battery unit according to the second electromagnetic signal received by the coil 340. Specifically, the charging circuit 355 includes a wireless receiving chip for converting the received induced current into a direct current signal to charge the battery cell. Wherein the induced current is generated by electromagnetic induction of the coil 340.
In one embodiment, the detection control circuit 351 includes an airflow detection unit 351a, an in-situ detection unit 351b, and a controller 351c. The airflow detecting unit 351a is configured to detect airflow information in the electronic cigarette. For example, the airflow detecting unit 351a may be an airflow sensor for detecting a flow signal and a pressure difference signal of the gas, so as to obtain airflow information of the electronic cigarette. And an in-place detecting unit 351b for detecting charging information of the electronic cigarette. For example, the in-place detecting unit 351b may detect whether the coil 340 generates an ac power of a certain frequency, and when the coil 340 generates the ac power, it may be considered that the electronic cigarette is connected to the transmitting end of the external wireless charger and is in a charged state.
The controller 351c is connected to the airflow detecting unit 351a and the in-place detecting unit 351b, respectively. And when the electronic cigarette is in a sucking state, a first control signal is sent, and when the electronic cigarette is in a charging state, a second control signal is sent.
In one embodiment, tuning circuit 353 includes: a switching unit 353a, a first tuning unit 353b, and a second tuning unit 353c. The switching unit 353a is connected to the controller 351c, the first tuning unit 353b, the second tuning unit 353c, and the coil 340, respectively. Wherein, the switch unit 353a receives the first control signal and is connected to the first tuning unit 353b in a conductive manner, and the first tuning unit 353b is configured to control the coil 340 to emit the first electromagnetic signal; the switching unit 353a receives a second control signal and is connected to the second tuning unit 353c in a conductive manner, and the second tuning unit 353c is configured to control the coil 340 to receive a second electromagnetic signal.
Specifically, the switching unit 353a may be a single pole double throw switch, a relay, a valve, or other controllable switching tube. The switching unit 353a can be turned on with the first tuning unit 353b according to the first control signal outputted from the controller 351c, and can be turned on with the second tuning unit 353c according to the second control signal outputted from the controller 351c.
Specifically, the first tuning unit 353b is connected to the coil 340 through the switching unit 353 a. The first tuning unit 353b may adjust the power of the second electromagnetic signal emitted from the coil 340, thereby adjusting the heat generated by the heating mechanism to perform the heating process on the heating mechanism.
Specifically, the second tuning unit 353c is connected to the coil 340 through the switching unit 353a, and the second tuning unit 353c is also connected to the charging circuit 355. The second tuning unit 353c may adjust the frequency of the second electromagnetic signal received by the coil 340, so that the coil 340 generates an induced ac power with a certain frequency, and the induced ac power is converted into a dc signal by the charging circuit 355 to charge the battery unit.
In this embodiment, according to the current working state, when the electronic cigarette is in a smoking state, the electronic cigarette may send out a first control signal to control the coil 340 to emit first electromagnetic signals with different powers, and then, based on an electromagnetic heating principle, the heating mechanism adjacent to the coil 340 generates eddy current to generate heat, so as to increase the temperature of the heating mechanism and heat tobacco leaves or tobacco tar; when the electronic cigarette is in a charging state, a second control signal can be sent to control the coil 340 to receive a second electromagnetic signal, and then based on an electromagnetic induction technology, the coil 340 receives the electromagnetic signal to generate induction current, so that energy transfer is realized, a battery unit is charged, and the electronic cigarette can be controlled to realize free switching between a wireless charging function and a non-contact heating function.
In an embodiment, the electronic cigarette further includes a temperature unit 370 connected to the controller 351c, where the temperature unit 370 is configured to receive a temperature adjustment instruction from a user to control the controller 351c to adjust the emission power of the first electromagnetic signal to adjust the temperature of the heating mechanism. For example, a physical key or a virtual key for adjusting the temperature is further arranged on the electronic cigarette, and when a user presses or touches the key, a corresponding temperature adjustment instruction is correspondingly output. The controller 351c receives the temperature adjustment command, and further adjusts the frequency and duty ratio of the first control signal, so as to control the power of the coil 340 for emitting the first electromagnetic signal, so that the heating mechanism generates heat energy with different degrees, and the effect of adjusting the temperature of the heating mechanism is achieved.
In this embodiment, by setting the temperature unit 370 in the electronic cigarette, the heating temperature of the heating mechanism can be controlled according to the temperature adjustment instruction output by the user, so as to provide different temperatures of smoking experience for the user, and improve the user experience.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (12)
1. A non-contact heating assembly for wirelessly charging and heating an electronic cigarette, the assembly comprising:
the detection control circuit is used for detecting the working state of the electronic cigarette and outputting a first control signal or a second control signal according to the working state, wherein the working state comprises a sucking state and a charging state;
a tuned transceiver circuit comprising: the device comprises a switch unit, a first tuning unit, a second tuning unit and a coil; the switch unit is respectively connected with the detection control circuit, the first tuning unit, the second tuning unit and the coil, and is used for receiving the first control signal and conducting the first tuning unit, and the first tuning unit is used for controlling the coil to emit a first electromagnetic signal; the switch unit receives the second control signal and is in conductive connection with the second tuning unit, and the second tuning unit is used for controlling the coil to receive a second electromagnetic signal and adjusting the frequency of the second electromagnetic signal received by the coil so as to enable the coil to generate induction alternating current; the frequencies of the first electromagnetic signal and the second electromagnetic signal are different;
the heating mechanism is arranged at intervals with the tuning receiving and transmitting circuit and is used for receiving the first electromagnetic signal to generate vortex generating heat so as to heat the electronic cigarette; and
And the charging circuit is connected with the tuning receiving and transmitting circuit and is used for receiving the induction alternating current and converting the induction alternating current into a direct current signal so as to wirelessly charge a battery unit in the electronic cigarette.
2. The assembly of claim 1, wherein the detection control circuit comprises:
the airflow detection unit is used for detecting airflow information in the electronic cigarette;
the in-place detection unit is used for detecting the charging information of the electronic cigarette;
the controller is connected with the detection control circuit; and the working state is determined according to the airflow information and the charging information, the first control signal is sent when the electronic cigarette is in a sucking state, and the second control signal is sent when the electronic cigarette is in a charging state.
3. The assembly of claim 2, wherein the detection control circuit, the switching unit, the first tuning unit, the second tuning unit, and the charging circuit are all disposed on a circuit board of the electronic cigarette.
4. An assembly according to claim 3, wherein the coil is connected to the switching unit of the circuit board by a coaxial line.
5. The electronic cigarette is characterized by comprising an electronic cigarette shell, and a heating cylinder, a heating mechanism, a coil, a control assembly and a battery unit which are arranged in the electronic cigarette shell; wherein,
the heating cylinder is arranged on the inner side of the electronic cigarette shell, and the heating mechanism is fixed in the cavity of the heating cylinder;
the control assembly includes:
the detection control circuit is used for detecting the working state of the electronic cigarette and outputting a first control signal or a second control signal according to the working state, wherein the working state comprises a sucking state and a charging state;
a tuning circuit, comprising: the device comprises a switch unit, a first tuning unit and a second tuning unit; the switch unit is respectively connected with the detection control circuit, the first tuning unit, the second tuning unit and the coil, and is used for receiving the first control signal and conducting the first tuning unit, and the first tuning unit is used for controlling the coil to emit a first electromagnetic signal; the switch unit receives the second control signal and is in conductive connection with the second tuning unit, the second tuning unit is used for controlling the coil to receive a second electromagnetic signal, adjusting the frequency of the second electromagnetic signal received by the coil so as to enable the coil to generate induction alternating current, and the frequencies of the first electromagnetic signal and the second electromagnetic signal are different;
and the charging circuit is connected with the tuning circuit and is used for receiving the induction alternating current, converting the induction alternating current into a direct current signal and wirelessly charging the battery unit.
6. The electronic cigarette of claim 5, wherein the electronic cigarette housing is provided with a first accommodating cavity and a second accommodating cavity which are communicated with each other, wherein,
the coil and the heating cylinder are adjacently arranged and are arranged in the first accommodating cavity;
the control assembly is connected with the battery unit and is installed in the second accommodating cavity.
7. The electronic cigarette according to claim 5, wherein the heating mechanism comprises a cutting portion, a bending portion and an extending portion which are integrally formed, wherein a plane in which the cutting portion is located and a plane in which the coil is located are arranged in parallel with each other, and the extending portion is arranged in parallel with a central axis of the heating cylinder.
8. The electronic cigarette of claim 7, wherein the cut portion is helical.
9. The electronic cigarette of claim 5, wherein the heating mechanism is a magnetically permeable material.
10. The electronic cigarette of claim 5, wherein the detection control circuit comprises:
the airflow detection unit is used for detecting airflow information in the electronic cigarette;
the in-place detection unit is used for detecting the charging information of the electronic cigarette;
the controller is connected with the detection control circuit; and the working state is determined according to the airflow information and the charging information, the first control signal is sent when the electronic cigarette is in a sucking state, and the second control signal is sent when the electronic cigarette is in a charging state.
11. The electronic cigarette of claim 10, further comprising a temperature unit coupled to the controller, the temperature unit configured to receive a user temperature adjustment command to control the controller to adjust the transmit power of the second electromagnetic signal to adjust the temperature of the heating mechanism.
12. The electronic cigarette of claim 5, wherein the heating mechanism is disposed adjacent to the coil, the heating mechanism configured to receive the first electromagnetic signal to generate an eddy current to heat the heating mechanism.
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| CN201811455798.3A CN109567276B (en) | 2018-11-30 | 2018-11-30 | Non-contact heating element and electron cigarette |
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| CN201811455798.3A CN109567276B (en) | 2018-11-30 | 2018-11-30 | Non-contact heating element and electron cigarette |
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| CN110115397A (en) * | 2019-04-30 | 2019-08-13 | 安徽中烟工业有限责任公司 | A kind of induction-heatable material for magnetic grain soaking |
| CN112398234A (en) * | 2019-08-19 | 2021-02-23 | 广东美的白色家电技术创新中心有限公司 | Output control device, method and storage medium |
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