CN215124305U - Electromagnetic heating non-combustion device - Google Patents
Electromagnetic heating non-combustion device Download PDFInfo
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- CN215124305U CN215124305U CN202022451906.9U CN202022451906U CN215124305U CN 215124305 U CN215124305 U CN 215124305U CN 202022451906 U CN202022451906 U CN 202022451906U CN 215124305 U CN215124305 U CN 215124305U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 152
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- 238000001914 filtration Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 102100028680 Protein patched homolog 1 Human genes 0.000 description 9
- 101710161390 Protein patched homolog 1 Proteins 0.000 description 9
- 235000019504 cigarettes Nutrition 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 239000003571 electronic cigarette Substances 0.000 description 2
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- 230000002411 adverse Effects 0.000 description 1
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- 238000009529 body temperature measurement Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model discloses an electromagnetic heating incombustible device, this electromagnetic heating incombustible device include battery, heating coil, heating element, still include: the temperature measuring element is arranged on the heating component; an induction power taking device coupled to the heating coil and generating an induction voltage by a magnetic field generated by the induction heating coil; a mother board connected to the battery and the heating coil and used for controlling the current supplied to the heating coil; the temperature sensing device is connected with the sensing electricity taking device and the temperature measuring element, and is used for supplying power to the temperature measuring element by using the sensing voltage generated by the sensing electricity taking device, acquiring the temperature information of the heating assembly through the temperature measuring element and transmitting the temperature information to the daughter board of the mother board in an isolated manner. Implement the technical scheme of the utility model, when heating element damaged, only change heating element can, do not need the dismouting mother board completely. Moreover, the electromagnetic heating mode is adopted, so that the power consumption is low.
Description
Technical Field
The utility model relates to an atomizing equipment field especially relates to an electromagnetic heating incombustible device.
Background
As a new technology, the electronic cigarette replaces the traditional combustion type cigarette in a mode of heating tobacco tar or low-temperature cigarette, has low working temperature, produces far less harmful components in the smoke than the traditional combustion type cigarette, can greatly avoid the adverse effect of the cigarette on human body by using the electronic cigarette, and becomes a healthier smoking mode.
In the field of barbecuing tobacco components in a non-combustion mode through heating to form aerosol for a user to suck, the core element is a heating element, the core technology is temperature control of the heating element, and the key point of temperature control is temperature measurement.
The existing heating element is usually resistance heating, that is, a resistance circuit is formed on an insulating substrate by silk-screen printing or film coating, the substrate is inserted into a cigarette holder and supplies power to the resistance circuit to enable the resistance to generate heat, and meanwhile, the resistance value of the resistance circuit is measured, and the temperature of the heating element is further obtained according to a TCR curve, so that the temperature control is performed. However, the resistance circuit of the heating element needs to be electrically connected with the control circuit of the battery motherboard, which is inconvenient to replace when the heating element is deformed or broken after long-term use, and the power consumption of the resistance circuit is relatively large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that the heating element that prior art exists changes defect inconvenient, that power consumption is big.
The utility model provides a technical scheme that its technical problem adopted is: an electromagnetic heating non-combustion device is configured, including a battery, a heating coil, a heating element provided in the heating coil and adapted to generate heat by inducing a magnetic field generated by the heating coil, and further including:
the temperature measuring element is arranged on the heating component;
an induction power taking device coupled to the heating coil and generating an induction voltage by inducing a magnetic field generated by the heating coil;
a motherboard connected to the battery and the heating coil and controlling a current supplied to the heating coil; and
the sensing power taking device is connected with the temperature measuring element and used for supplying power to the temperature measuring element by using sensing voltage generated by the sensing power taking device, acquiring temperature information of the heating assembly through the temperature measuring element and transmitting the temperature information to the daughter board of the mother board in an isolated manner.
Preferably, the induction electricity taking device is an electricity taking coil; furthermore, it is possible to provide a liquid crystal display device,
the height and the diameter of the heating coil are both larger than those of the electricity taking coil, and at least one part of the electricity taking coil is arranged in the heating coil; or the electricity taking coil is arranged outside the heating coil.
Preferably, when at least a part of the electricity-taking coil is disposed in the heating coil,
the bottom of the electricity taking coil is flush with the bottom of the heating coil; alternatively, the first and second electrodes may be,
the bottom of the electricity taking coil is arranged above the bottom of the heating coil;
the bottom of the electricity taking coil extends out of the bottom of the heating coil.
Preferably, the sub-board includes:
the voltage processing unit is used for processing the induced voltage generated by the induced electricity taking device and supplying power to the temperature measuring element;
the first transmission unit is used for acquiring the temperature information of the heating component through the temperature measuring element and transmitting the temperature information to the motherboard in an isolated manner;
the motherboard includes:
a second transmission unit for receiving the temperature information from the daughter board in an isolated manner;
a controller for controlling the current supplied to the heating coil according to the received temperature information.
Preferably, the voltage processing unit comprises a rectifying and filtering circuit and a voltage stabilizing circuit which are connected.
Preferably, the first transmission unit comprises a light emitting diode, the second transmission unit comprises a photodiode and a first resistor, an anode of the light emitting diode is connected with a positive output end of the voltage processing unit through the temperature measuring element, and a cathode of the light emitting diode is grounded; the first end of the photodiode is connected with a high level, the second end of the photodiode is grounded through the first resistor, and the second end of the photodiode is further connected with the input end of the controller.
Preferably, the first transmission unit comprises a primary coil, the second transmission unit comprises a secondary coil and a first diode, a first end of the primary coil is connected with the positive output end of the voltage processing unit through the temperature measuring element, and a second end of the primary coil is grounded; the first end of the secondary coil is connected with the anode of the first diode, the cathode of the first diode is connected with the input end of the controller, and the second end of the secondary coil is grounded.
Preferably, the rectifying and filtering circuit comprises a second diode and a first capacitor, an anode of the second diode is connected to the first end of the inductive power taking device, a second end of the inductive power taking device is grounded, and the first capacitor is connected between a cathode of the second diode and the ground.
Preferably, the voltage stabilizing circuit includes a second resistor, a zener diode, a triode, and a second capacitor, and a first end of the second resistor and a collector of the triode are respectively connected to a negative electrode of the second diode, a second end of the second resistor, a base of the triode, a cathode of the zener diode, and a first end of the second capacitor are respectively connected to each other, an anode of the zener diode and a second end of the second capacitor are respectively grounded, and an emitter of the triode is connected to the temperature measuring element.
Preferably, the temperature measuring element is a PTC thermistor.
Preferably, the motherboard and the daughter board are provided independently of each other.
Preferably, the heating assembly is arranged in a heating cavity at the upper end of the electromagnetic heating non-combustion device body, and the heating coil is arranged around the periphery of the heating cavity.
Implement the technical scheme of the utility model, because mother board and daughter board keep apart the setting, heating element need not carry out circuit connection with the mother board completely, so, when heating element damaged, only change heating element can, do not need the dismouting mother board completely. Moreover, the electromagnetic heating mode is adopted, so that the power consumption is low.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a logic structure diagram of a first embodiment of the electromagnetic heating non-combustion device of the present invention;
FIG. 2A is a structural view of the second embodiment of the non-combustion device for electromagnetic heating according to the present invention;
FIG. 2B is a view showing a split structure of the second embodiment of the non-combustion device for electromagnetic heating of the present invention;
FIG. 2C is a cross-sectional view of the body of FIG. 2B;
FIG. 2D is an enlarged partial view of region D of FIG. 2C;
FIG. 3 is a circuit diagram of a third embodiment of the electromagnetic heating non-combustion apparatus of the present invention;
fig. 4 is a circuit diagram of a fourth embodiment of the electromagnetic heating non-combustion apparatus of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a logic structure diagram of an embodiment of the electromagnetic heating non-combustion apparatus of the present invention, the electromagnetic heating non-combustion apparatus of the embodiment includes a heating coil 11, a heating assembly 12, a temperature measuring element 13, an induction power taking device 14, a daughter board 15, a mother board 16, and a battery 17, and the temperature measuring element may be a PTC thermistor. Wherein the heating element 12 is disposed inside the heating coil 11 and is used to generate heat by the magnetic field generated by the induction heating coil 11. The temperature measuring element 13 is provided on the heat generating component 12. The induction power take-off device 14 is coupled to the heating coil 11 and serves to generate an induction voltage by a magnetic field generated by the induction heating coil 11. The daughter board 15 and the motherboard 16 are separately arranged, and the daughter board 15 is connected with the inductive power-taking device 14 and the temperature measuring element 13, and is used for supplying power to the temperature measuring element 13 by using the inductive voltage generated by the inductive power-taking device 14, acquiring the temperature information of the heating component 12 by the temperature measuring element 13, and separately transmitting the temperature information to the motherboard 16. The motherboard 16 is connected to the battery 17 and the heating coil 11, and is used to control the current supplied to the heating coil 11 according to the received temperature information.
In the technical scheme of the embodiment, the motherboard 16 and the daughter board 15 are separately arranged, and the heating component 12 does not need to be electrically connected with the motherboard 16 at all, so that when the heating component 12 is damaged, the heating component 12 can be directly replaced, and the electromagnetic heating mode also enables the power consumption to be smaller.
With reference to fig. 2A to 2D, the utility model discloses electromagnetic heating does not burn device embodiment two, in this embodiment, electromagnetic heating does not burn device is including dismantling upper cover 20 and casing 30 down of connection, still including setting up the organism 10 in the cavity of constituteing by upper cover 20 and casing 30 down, the upper end of organism 10 is provided with heating chamber 18, is provided with demountable installation's heating element 12 in the heating chamber 18, and a part of heating element 12 inserts in the bottom of a cigarette 19, upper cover 20 is stretched out at the top of a cigarette 19. The heating element 12 is provided with a temperature measuring element 13. In addition, the heating coil 11 is disposed around the periphery of the heating chamber 19. The heating assembly 12 is used for heating the cigarette 19 by the magnetic field generated by the induction heating coil 11. The battery 17 is disposed at the left side of the body 10 and electrically connected to the motherboard 16.
The induction electricity taking device is an electricity taking coil 14 arranged in the heating coil 11, and is coupled with the heating coil 11, and the height and the diameter of the heating coil 11 are both larger than those of the electricity taking coil 14. The electrifying coil 14 generates an induced voltage by the magnetic field generated by the induction heating coil 11. In addition, in this embodiment, the bottom of the power-taking coil 14 is flush with the bottom of the heating coil 11, but of course, in other embodiments, the bottom of the power-taking coil may be above the bottom of the heating coil. In either of the above-described modes, since the heating coil can completely cover the current-taking coil in the height direction, the magnetic field utilization rate of the current-taking coil to the heating coil can be made highest.
It should be understood that in other embodiments, one part of the power-taking coil may be arranged inside the heating coil, and the other part may be arranged outside the heating coil, that is, the bottom of the power-taking coil extends out of the bottom of the heating coil, and at this time, the height of the heating coil may be reduced and the power consumption may be reduced according to the actual magnetic field condition of the power-taking coil. Alternatively, in still other embodiments, the power-on coil may be disposed outside the heating coil, e.g., the power-on coil is disposed entirely outside the heating coil.
The daughter board 15 is provided independently from the motherboard 16, and the independent arrangement means that the daughter board and the motherboard are provided at an interval and have no circuit connection. Moreover, the daughter board 15 supplies power to the temperature measuring element 13 by using the induced voltage generated by the power-taking coil 14, and also obtains the temperature information of the heat generating component 12 through the temperature measuring element 13 and transmits the temperature information to the motherboard 16 in an isolated manner. The mother board 16 controls the current supplied to the heating coil 11 according to the received temperature information.
Further, the daughter board includes a voltage processing unit and a first transmission unit, and the mother board includes a second transmission unit and a controller. The voltage processing unit is used for processing the induced voltage generated by the induced power taking device and supplying power to the temperature measuring element, and can comprise a rectifying filter circuit and a voltage stabilizing circuit which are connected; the first transmission unit is used for acquiring the temperature information of the heating component through the temperature measuring element and transmitting the temperature information to the motherboard in an isolated manner; the second transmission unit is used for receiving temperature information from the daughter board in an isolation mode; the controller is used for controlling the current supplied to the heating coil according to the received temperature information.
Fig. 3 is a circuit diagram of a third embodiment of the electromagnetic heating non-combustion apparatus of the present invention, in which the daughter board includes a voltage processing unit and the first transmission unit 152, the voltage processing unit may include a rectifier filter circuit 1511 and a voltage regulator circuit 1512 connected, and the mother board includes a second transmission unit 161 and a controller (not shown). The rectifying and filtering circuit 1511 comprises a second diode D1 and a first capacitor C1, wherein the anode of the second diode D1 is connected to the first end of the power coil L1, the second end of the power coil L1 is grounded, and the first capacitor C1 is connected between the cathode of the second diode D1 and the ground. The voltage stabilizing circuit 1512 comprises a second resistor R1, a zener diode ZD1, a triode Q1 and a second capacitor C2, wherein a first end of the second resistor R1 and a collector of the triode Q1 are respectively connected with a negative electrode of a second diode D1, a second end of the second resistor R1, a base of the triode Q1, a cathode of the zener diode ZD1 and a first end of the second capacitor C2 are respectively connected with each other, an anode of the zener diode ZD1 and a second end of the second capacitor C2 are respectively grounded, and an emitter of the triode Q1 is connected with one end of the PTC thermistor PTC 1.
In addition, the first transmission unit 152 includes a light emitting diode LED1, the second transmission unit includes a photodiode T1 and a first resistor R2, and an anode of the light emitting diode LED1 is connected to the other end of the PTC thermistor PTC1, and a cathode of the light emitting diode LED1 is grounded. The first terminal of the photodiode T1 is connected to a high level (VCC), the second terminal of the photodiode T1 is grounded through a resistor R2, and the second terminal of the photodiode T1 is further connected to an input terminal (VAD) of the controller.
In this embodiment, when the heating coil generates a magnetic field and the heating assembly generates heat, the power-taking coil L1 also generates an induced voltage due to the induction of the magnetic field, the induced voltage of the power-taking coil L1 is converted into a direct current through the second diode D1, the direct current is filtered by the first capacitor C1, the voltage-stabilizing diode ZD1 stabilizes the filtered voltage, and then the power is supplied to the PTC thermistor PTC1 and the light-emitting diode LED1, and the intensity of the light signal of the light-emitting diode LED1 represents the current magnitude passing through the PTC thermistor PTC1 (the current magnitude of the PTC thermistor PTC1 represents the temperature information corresponding to the heating assembly), the light signal of the light-emitting diode LED1 is received by the photodiode T1 on the motherboard and converted into an electrical signal, and then transmitted to the controller of the motherboard, the intensity of the light signal received by the photodiode T1 is calculated by the controller, and the intensity of the current passing through the PTC thermistor PTC1 is obtained, the controller then controls the current to the heating coil in a closed loop.
Fig. 4 is a circuit diagram of a fourth embodiment of the electromagnetic heating non-combustion apparatus of the present invention, which is different from the embodiment shown in fig. 3 only in that: the first transmission unit 152 comprises a primary coil L2, the second transmission unit 161 comprises a secondary coil L3 and a first diode D2, a first end of the primary coil L2 is connected with the other end of the PTC thermistor PTC1, and a second end of the primary coil L2 is grounded; a first end of the secondary coil L3 is connected to the anode of the first diode D2, the cathode of the first diode D2 is connected to the input end (VAD) of the controller through the third resistor R3, the second end of the secondary coil L3 is grounded, the capacitor C3 is connected between the cathode of the first diode D2 and the ground, and the resistor R4 is connected between the input end (VAD) of the controller and the ground. In addition, the circuit design of the embodiment is simple, the cost is low, the daughter board and the mother board form physical isolation, and when the heating assembly is damaged, the daughter board connected with the heating assembly can be directly replaced.
In this embodiment, the magnitude of the induced magnetic field of the primary coil L2 represents the magnitude of the current passing through the PTC thermistor PTC1 (the magnitude of the current of the PTC thermistor PTC1 represents the temperature information corresponding to the heat generating component), the secondary coil L3 generates the induced voltage by inducing the magnetic field generated by the primary coil L2, and the induced voltage is rectified by the first diode D2 and sent to the controller of the motherboard, the controller calculates the induced voltage of the secondary coil L3, and thus obtains the intensity of the current passing through the PTC thermistor PTC1, and the controller controls the current of the heating coil in a closed loop manner. In addition, the circuit design of the embodiment is simple, the cost is low, the daughter board and the mother board form physical isolation, and when the heating assembly is damaged, the daughter board connected with the heating assembly can be directly replaced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (12)
1. An electromagnetic heating non-combustion device comprising a battery, a heating coil, and a heating element disposed in the heating coil and adapted to generate heat by inducing a magnetic field generated by the heating coil, characterized by further comprising:
the temperature measuring element is arranged on the heating component;
an induction power taking device coupled to the heating coil and generating an induction voltage by inducing a magnetic field generated by the heating coil;
a motherboard connected to the battery and the heating coil and controlling a current supplied to the heating coil; and
the sensing power taking device is connected with the temperature measuring element and used for supplying power to the temperature measuring element by using sensing voltage generated by the sensing power taking device, acquiring temperature information of the heating assembly through the temperature measuring element and transmitting the temperature information to the daughter board of the mother board in an isolated manner.
2. An electromagnetic heating non-combustible device according to claim 1, wherein the induction electricity taking device is an electricity taking coil; furthermore, it is possible to provide a liquid crystal display device,
the height and the diameter of the heating coil are both larger than those of the electricity taking coil, and at least one part of the electricity taking coil is arranged in the heating coil; or the electricity taking coil is arranged outside the heating coil.
3. An electromagnetic heating non-combustion apparatus according to claim 2, wherein when at least a part of the electricity-taking coil is disposed inside the heating coil,
the bottom of the electricity taking coil is flush with the bottom of the heating coil; alternatively, the first and second electrodes may be,
the bottom of the electricity taking coil is arranged above the bottom of the heating coil;
the bottom of the electricity taking coil extends out of the bottom of the heating coil.
4. An electromagnetic heating non-combustible device according to claim 1, wherein the sub-panel comprises:
the voltage processing unit is used for processing the induced voltage generated by the induced electricity taking device and supplying power to the temperature measuring element;
the first transmission unit is used for acquiring the temperature information of the heating component through the temperature measuring element and transmitting the temperature information to the motherboard in an isolated manner;
the motherboard includes:
a second transmission unit for receiving the temperature information from the daughter board in an isolated manner;
a controller for controlling the current supplied to the heating coil according to the received temperature information.
5. The electromagnetic heating non-combustion device of claim 4, wherein the voltage processing unit comprises a rectifying and filtering circuit and a voltage stabilizing circuit connected together.
6. The electromagnetic heating non-combustion device of claim 4, wherein the first transmission unit comprises a light emitting diode, the second transmission unit comprises a photodiode and a first resistor, an anode of the light emitting diode is connected to the positive output end of the voltage processing unit through the temperature measuring element, and a cathode of the light emitting diode is grounded; the first end of the photodiode is connected with a high level, the second end of the photodiode is grounded through the first resistor, and the second end of the photodiode is further connected with the input end of the controller.
7. The electromagnetic heating non-combustion device of claim 4, wherein the first transmission unit comprises a primary coil, the second transmission unit comprises a secondary coil and a first diode, and a first end of the primary coil is connected to the positive output end of the voltage processing unit through the temperature measuring element, and a second end of the primary coil is grounded; the first end of the secondary coil is connected with the anode of the first diode, the cathode of the first diode is connected with the input end of the controller, and the second end of the secondary coil is grounded.
8. An electromagnetic heating non-combustible device according to claim 5, wherein the rectifying and filtering circuit comprises a second diode and a first capacitor, wherein the anode of the second diode is connected to the first end of the inductive power take-off, the second end of the inductive power take-off is grounded, and the first capacitor is connected between the cathode of the second diode and ground.
9. The electromagnetic heating non-combustion device according to claim 8, wherein the voltage regulator circuit comprises a second resistor, a zener diode, a triode, and a second capacitor, and a first end of the second resistor and a collector of the triode are respectively connected to a cathode of the second diode, a second end of the second resistor, a base of the triode, a cathode of the zener diode, and a first end of the second capacitor are respectively connected to ground, an anode of the zener diode and a second end of the second capacitor are respectively connected to ground, and an emitter of the triode is connected to the temperature measuring element.
10. An electromagnetic heating non-combustion apparatus as claimed in any one of claims 1 to 9, wherein the temperature measuring element is a PTC thermistor.
11. An electromagnetic heating non-combustion apparatus as claimed in any one of claims 1 to 9, wherein said mother board and said daughter boards are provided independently of each other.
12. An electromagnetic heating non-combustion device as claimed in claim 1, wherein the heating assembly is disposed in a heating cavity at an upper end of the electromagnetic heating non-combustion device body, and the heating coil is disposed around an outer periphery of the heating cavity.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022451906.9U CN215124305U (en) | 2020-10-29 | 2020-10-29 | Electromagnetic heating non-combustion device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022451906.9U CN215124305U (en) | 2020-10-29 | 2020-10-29 | Electromagnetic heating non-combustion device |
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| CN215124305U true CN215124305U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112293799A (en) * | 2020-10-29 | 2021-02-02 | 深圳麦时科技有限公司 | Electromagnetic heating non-combustion device and wireless temperature measurement method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112293799A (en) * | 2020-10-29 | 2021-02-02 | 深圳麦时科技有限公司 | Electromagnetic heating non-combustion device and wireless temperature measurement method thereof |
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