CN217011228U - Needle type heating rod based on electromagnetic induction - Google Patents
Needle type heating rod based on electromagnetic induction Download PDFInfo
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- CN217011228U CN217011228U CN202123387746.7U CN202123387746U CN217011228U CN 217011228 U CN217011228 U CN 217011228U CN 202123387746 U CN202123387746 U CN 202123387746U CN 217011228 U CN217011228 U CN 217011228U
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Abstract
The utility model discloses a needle type heating rod based on electromagnetic induction, which comprises a heating rod, wherein the heating rod comprises a heating cavity and an electronic element cavity, the heating cavity comprises an outer shell layer and a built-in layer, an electromagnetic induction system is arranged on the inner surface of the outer shell layer, an opening is formed in the top of the heating cavity, a needle type heating part is arranged at the bottom of an inner cavity of the heating cavity, an electronic element assembly is arranged in the electronic element cavity, the electronic element assembly is connected with the electromagnetic induction system, and the electronic element assembly is connected with the needle type heating part. The smoke bomb provided by the utility model has a simple structure, the taste of the smoke bomb can be improved while the loss of the electric quantity of the battery is reduced, the process is simpler, the reconstruction cost can be reduced, and the use cost can be reduced.
Description
Technical Field
The utility model relates to a needle type heating rod based on electromagnetic induction, and belongs to the technical field of atomizers.
Background
Along with the progress of science and technology, the development of the utensil that does not burn in the heating also develops thereupon, and the heating methods that current utensil that does not burn in the heating adopted is relatively poor in the aspect of the temperature control precision, leads to the loss of battery power fast, has influenced the taste of cigarette bullet, has reduced experience and has felt.
The Philippines manufacturing company improves the heating non-combustion appliance, wherein patents with patent numbers of CN105307526B, CN108882752A, CN105307516B, CN106455714B, CN108348004A and CN108135275A improve the smoke bomb, a receptor material is added into the smoke bomb, and the heating of the receptor is caused by the electromagnetic induction technology, so that the heating mode can reduce the loss of the battery power and improve the taste of the smoke bomb; however, the process is complex in the transformation process, the material cost is high, and the production cost and the use cost are increased integrally.
Disclosure of Invention
The utility model aims to provide a needle type heating rod based on electromagnetic induction, which is simple in structure, simple in process, capable of reducing the modification cost and reducing the use cost, and can improve the taste of a smoke cartridge while reducing the electric quantity loss of a battery.
In order to solve the technical problems, the utility model adopts the following technical scheme: a needle type heating rod based on electromagnetic induction comprises a heating rod, wherein the heating rod comprises a heating cavity and an electronic element cavity, the heating cavity comprises an outer shell layer and a built-in layer, an electromagnetic induction system is arranged on the inner surface of the outer shell layer, an opening is formed in the top of the heating cavity, a needle type heated portion is arranged at the bottom of an inner cavity of the heating cavity, an electronic element assembly is arranged in the electronic element cavity and connected with the electromagnetic induction system, and the electronic element assembly is connected with the needle type heated portion; simple structure can also promote the taste of cigarette bullet when reducing the loss of battery power, and technology is comparatively simple, can reduce the transformation cost, can also reduce use cost.
In the needle-type heating rod based on electromagnetic induction, a charging portion is arranged on the heating rod, and the charging portion is connected with an electronic component assembly; can be connected with an external power supply, and can be charged in real time, thereby being convenient to use.
In the needle-type heating rod based on electromagnetic induction, the electronic component assembly includes an electric storage battery and a circuit board, the electric storage battery is electrically connected with the circuit board, the circuit board is electrically connected with the electromagnetic induction system, the circuit board is electrically connected with the needle-type heating part, and the circuit board is electrically connected with the charging part; the needle type heating part punctures the bottom of the smoke bomb and is arranged in the smoke bomb, so that the smoke bomb is uniformly heated, and the taste of smoke is improved.
In the needle-type heating rod based on electromagnetic induction, the circuit board is provided with a charging module, a switch control module and a status light; the status lamp can be clear at a glance to watch the service condition of heating rod, and the module of charging can be connected with external power, charges in real time, facilitates the use.
In the needle-type heating rod based on electromagnetic induction, the cavity wall of the electronic component cavity is provided with a switch and a status light display port, the switch is arranged corresponding to the switch control module, and the status light display port is arranged corresponding to the status light; the status lamp display port can clearly see the use status of the appliance body.
In the needle-type heating rod based on electromagnetic induction, the circuit board is further provided with an electric quantity display module and a bluetooth module, the cavity wall of the electronic element cavity is further provided with an electric quantity display port, and the electric quantity display port and the electric quantity display module are correspondingly arranged; the electric quantity of utensil body is conveniently looked over to the electric quantity display mouth to when the electric quantity is low, delay the use, bluetooth module can be connected with mobile terminal, conveniently looks over all kinds of information of heating rod.
In the electromagnetic induction-based needle-type heating rod, a distance L is provided between the inner surface of the outer shell layer and the outer surface of the inner layer.
Compared with the prior art, the utility model has the advantages that:
1. the smoke bomb provided by the utility model has a simple structure, the taste of the smoke bomb can be improved while the loss of the electric quantity of the battery is reduced, the process is simpler, the reconstruction cost can be reduced, and the use cost can be reduced;
2. the Bluetooth module can be connected with the mobile terminal, so that various information of the heating rod can be conveniently checked;
3. the utility model can be connected with an external power supply to charge in real time, and is convenient to use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention.
Reference numerals are as follows: 1-heating rod, 2-heating chamber, 3-electronic component chamber, 4-outer shell layer, 5-built-in layer, 6-electromagnetic induction system, 7-opening, 8-electronic component assembly, 9-needle type heated part, 10-charging part, 11-electricity storage battery, 12-circuit board, 13-charging module, 14-switch control module, 15-status lamp, 16-switch, 17-status lamp display port, 18-electric quantity display module, 19-Bluetooth module and 20-electric quantity display port.
The utility model is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the utility model: the utility model provides a needle type heating rod based on electromagnetic induction, includes heating rod 1, heating rod 1 includes heating chamber 2 and electronic component cavity 3, heating chamber 2 includes shell layer 4 and built-in layer 5, the internal surface of shell layer 4 is provided with electromagnetic induction system 6, and the top of heating chamber 2 is provided with opening 7, and the inner chamber bottom of heating chamber 2 is provided with needle type heated portion 9, be provided with electronic component subassembly 8 in the electronic component cavity 3, electronic component subassembly 8 is connected with electromagnetic induction system 6, and electronic component subassembly 8 is connected with needle type heated portion 9.
Example 2 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; the heating rod 1 is provided with a charging part 10, and the charging part 10 is connected with the electronic component assembly 8.
Example 3 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heat receiving part 9, and the circuit board 12 is electrically connected with the charging part 10.
Example 4 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heated part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15.
Example 5 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heat receiving part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic component cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15.
Example 6 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; the heating rod 1 is provided with a charging part 10, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heat receiving part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic element cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15; the circuit board 12 is further provided with an electric quantity display module 18 and a Bluetooth module 19, the cavity wall of the electronic element cavity 3 is further provided with an electric quantity display port 20, and the electric quantity display port 20 is arranged corresponding to the electric quantity display module 18.
Example 7 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heated part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic element cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15; the circuit board 12 is also provided with an electric quantity display module 18 and a Bluetooth module 19, the cavity wall of the electronic element cavity 3 is also provided with an electric quantity display port 20, and the electric quantity display port 20 is arranged corresponding to the electric quantity display module 18; a distance L is provided between the inner surface of the outer shell layer 4 and the outer surface of the inner layer 5.
Example 8 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is arranged at the top of the heating chamber 2, a cartridge containing plant extracts is placed in the opening 7 of the heating chamber 2, a needle type heated part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heated part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heat receiving part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic element cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15; the circuit board 12 is also provided with an electric quantity display module 18 and a Bluetooth module 19, the cavity wall of the electronic element cavity 3 is also provided with an electric quantity display port 20, and the electric quantity display port 20 is arranged corresponding to the electric quantity display module 18; a distance L is provided between the inner surface of the outer shell layer 4 and the outer surface of the inner layer 5.
Example 9 of the utility model: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating chamber 2 and an electronic element chamber 3, the heating chamber 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating chamber 2, a cartridge containing plant extracts is placed in the opening 7 of the heating chamber 2, nicotine is not contained in the cartridge, a mint and chrysanthemum mixture is contained in the cartridge, so that smoke has a cool feeling, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating chamber 2, an electronic element assembly 8 is arranged in the electronic element chamber 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; the heating rod 1 is provided with a charging part 10, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heated part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status lamp 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic element cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15; the circuit board 12 is also provided with an electric quantity display module 18 and a Bluetooth module 19, the cavity wall of the electronic element cavity 3 is also provided with an electric quantity display port 20, and the electric quantity display port 20 is arranged corresponding to the electric quantity display module 18; a distance L is provided between the inner surface of the outer shell layer 4 and the outer surface of the inner layer 5.
Example 10 of the present invention: a needle type heating rod based on electromagnetic induction comprises a heating rod 1, wherein the heating rod 1 comprises a heating cavity 2 and an electronic element cavity 3, the heating cavity 2 comprises an outer shell layer 4 and a built-in layer 5, an electromagnetic induction system 6 is arranged on the inner surface of the outer shell layer 4, an opening 7 is formed in the top of the heating cavity 2, a cartridge containing plant extracts is placed in the opening 7 of the heating cavity 2, the cartridge does not contain nicotine, and the cartridge contains gynostemma pentaphylla, so that the smoke has a health care effect, a needle type heating part 9 is arranged at the bottom of an inner cavity of the heating cavity 2, an electronic element assembly 8 is arranged in the electronic element cavity 3, the electronic element assembly 8 is connected with the electromagnetic induction system 6, and the electronic element assembly 8 is connected with the needle type heating part 9; a charging part 10 is arranged on the heating rod 1, and the charging part 10 is connected with the electronic component assembly 8; the electronic component assembly 8 comprises an electric storage battery 11 and a circuit board 12, the electric storage battery 11 is electrically connected with the circuit board 12, the circuit board 12 is electrically connected with the electromagnetic induction system 6, the circuit board 12 is electrically connected with the needle type heat receiving part 9, and the circuit board 12 is electrically connected with the charging part 10; the circuit board 12 is provided with a charging module 13, a switch control module 14 and a status light 15; a switch 16 and a status light display port 17 are arranged on the cavity wall of the electronic element cavity 3, the switch 16 is arranged corresponding to the switch control module 14, and the status light display port 17 is arranged corresponding to the status light 15; the circuit board 12 is also provided with an electric quantity display module 18 and a Bluetooth module 19, the cavity wall of the electronic element cavity 3 is also provided with an electric quantity display port 20, and the electric quantity display port 20 is arranged corresponding to the electric quantity display module 18; a distance L is provided between the inner surface of the outer shell layer 4 and the outer surface of the inner layer 5.
The working principle of one embodiment of the utility model is as follows: when the utility model works, the smoke cartridge is firstly placed in the heating chamber 2, the needle type heating part 9 punctures the bottom of the smoke cartridge, the needle type heat receiving part 9 is completely immersed into the smoke cartridge, the mouth part of the smoke cartridge is kept to be protruded out of the opening 7, the switch 16 is pressed, the electricity storage battery 11 supplies power to the circuit board 12, the circuit board 12 starts the electromagnetic induction system 6, the electromagnetic induction system 6 generates a fluctuating electromagnetic field, the needle type heat receiving part 9 is positioned in the fluctuating electromagnetic field, induced eddy current generates magnetic hysteresis loss in the needle type heat receiving part 9 to cause heating of the needle type heat receiving part 9, smoke is generated after the smoke cartridge is heated by the needle type heat receiving part 9, a user sucks the mouth part containing the smoke cartridge, and after the suction is finished, pressing the switch 16, disconnecting the power supply of the electricity storage battery 11, stopping the electromagnetic induction system 6 from generating the fluctuating electromagnetic field, stopping the heating of the needle type heating part 9, and taking out the used smoke cartridge in the heating chamber 2; when the electric storage battery 11 supplies power to the circuit board 12, the status light 15 is on, and when the electric storage battery 11 stops supplying power to the circuit board 12, the status light 15 is off; in the pumping process, the electric quantity of the heating rod 1 is checked through the electric quantity display port 20, when the electric quantity is low, the charging portion 10 on the heating rod 1 is connected with an external power supply, the circuit board 12 starts the charging module 13 to start charging operation on the heating rod 1, the status lamp 15 is turned on and flickers, when the status lamp 15 is turned on normally and does not flicker any more, the charging is finished, and the charging portion 10 is disconnected with the external power supply; after the bluetooth module 19 is connected with the mobile terminal, the mobile terminal can remotely control the switch control module 14 through the circuit board 12, and can also remotely check the electric quantity of the heating rod 1.
Claims (7)
1. The utility model provides a pin-type heating rod based on electromagnetic induction, includes heating rod (1), its characterized in that, heating rod (1) is including heating cavity (2) and electronic component cavity (3), heating cavity (2) are including outer shell (4) and built-in layer (5), the internal surface of outer shell (4) is provided with electromagnetic induction system (6), and the top of heating cavity (2) is provided with opening (7), and the inner chamber bottom of heating cavity (2) is provided with pin-type heated portion (9), be provided with electronic component subassembly (8) in electronic component cavity (3), electronic component subassembly (8) are connected with electromagnetic induction system (6), and electronic component subassembly (8) are connected with pin-type heated portion (9).
2. A needle-type heating rod based on electromagnetic induction according to claim 1, characterized in that the heating rod (1) is provided with a charging portion (10), and the charging portion (10) is connected with an electronic component assembly (8).
3. The needle-type heating rod based on electromagnetic induction of claim 2, wherein the electronic component assembly (8) comprises an electric storage battery (11) and a circuit board (12), the electric storage battery (11) is electrically connected with the circuit board (12), the circuit board (12) is electrically connected with the electromagnetic induction system (6), the circuit board (12) is electrically connected with the needle-type heat receiving part (9), and the circuit board (12) is electrically connected with the charging part (10).
4. A needle-type heating rod based on electromagnetic induction according to claim 3, characterized in that a charging module (13), a switch control module (14) and a status light (15) are arranged on the circuit board (12).
5. The needle-type heating rod based on the electromagnetic induction is characterized in that a switch (16) and a status light display port (17) are arranged on the wall of the electronic component chamber (3), the switch (16) is arranged corresponding to the switch control module (14), and the status light display port (17) is arranged corresponding to the status light (15).
6. The needle-type heating rod based on electromagnetic induction according to claim 3, wherein the circuit board (12) is further provided with an electric quantity display module (18) and a Bluetooth module (19), the cavity wall of the electronic component cavity (3) is further provided with an electric quantity display port (20), and the electric quantity display port (20) and the electric quantity display module (18) are correspondingly arranged.
7. A needle-type heating rod based on electromagnetic induction according to claim 1, characterized in that a distance L is provided between the inner surface of the outer shell layer (4) and the outer surface of the inner layer (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123387746.7U CN217011228U (en) | 2021-12-29 | 2021-12-29 | Needle type heating rod based on electromagnetic induction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123387746.7U CN217011228U (en) | 2021-12-29 | 2021-12-29 | Needle type heating rod based on electromagnetic induction |
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Publication Number | Publication Date |
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CN217011228U true CN217011228U (en) | 2022-07-19 |
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CN202123387746.7U Active CN217011228U (en) | 2021-12-29 | 2021-12-29 | Needle type heating rod based on electromagnetic induction |
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CN (1) | CN217011228U (en) |
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2021
- 2021-12-29 CN CN202123387746.7U patent/CN217011228U/en active Active
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