CN211960911U - Temperature measurement and control integrated air heating element - Google Patents
Temperature measurement and control integrated air heating element Download PDFInfo
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- CN211960911U CN211960911U CN202020120468.5U CN202020120468U CN211960911U CN 211960911 U CN211960911 U CN 211960911U CN 202020120468 U CN202020120468 U CN 202020120468U CN 211960911 U CN211960911 U CN 211960911U
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Abstract
The utility model belongs to the technical field of novel smoking set heating element, in particular to temperature measurement and control integrated air heating element. The heating element comprises: the heating device comprises an accommodating cavity (1), a connecting plate (2), a heating cavity (5) and a heating body (4); wherein the connector plate (2) is arranged between the receiving chamber (1) and the heating chamber (5); the heating body (4) is arranged in the heating cavity (5), the heating body (4) is welded at the welding point (3) through two different conductive materials to form a whole, and the heating element is not provided with a temperature measuring element except the heating body (4). The utility model discloses a heat-generating body heated air, hot-air give heat transfer for join in marriage the fishplate bar, then reach and give hold the intracavity substrate of fuming and carry out the purpose of heating, avoid the frequent direct contact of substrate of fuming and heat-generating body and lead to the damage of heat-generating body.
Description
Technical Field
The utility model belongs to the technical field of novel smoking set heating element, in particular to temperature measurement and control integrated air heating element.
Background
The heating element of the existing cigarette smoking set which is not heated and burnt is mainly characterized in that a heating wire and a thermocouple are laid on a base body to realize heating and temperature measurement. Because the thermocouple is closer to the heating wire, the heating element is easy to generate short circuit phenomenon, and the manufacturing process of the heating element is complex. And the heating circuit and the temperature measuring circuit are separately designed, and the circuit is complex.
In addition, the contact area of the solid heating element and the heating product is limited, so that the heating is easy to be uneven, and the smoking experience of a user is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention is provided.
The utility model discloses a first aspect provides a observe and control temperature integrative air heating element, heating element includes: the heating device comprises an accommodating cavity 1, a connecting plate 2, a heating cavity 5 and a heating body 4;
wherein the connector plate 2 is disposed intermediate the receiving cavity 1 and the heating cavity 5;
the heating element 4 is arranged in the heating cavity 5, the heating element 4 is welded at the welding point 3 through a first resistance wire and a second resistance wire to form a whole, and a temperature measuring element except the heating element 4 is not arranged on the heating element.
The first resistance wire and the second resistance wire are made of two different conductive materials, and are heated up and heated after being welded under the power-on condition, and can be used as a material for measuring the temperature of the thermocouple temperature measuring sensor under the power-off condition.
The weld 3 can be position selected according to the heating element temperature field distribution. Normally, the position of the weld 3 is the high temperature position of the entire heating element.
Preferably, the connector plate 2 is provided with at least one through hole 6, and the receiving chamber 1 and the heating chamber 5 are in air flow communication through the through hole 6.
Preferably, the first and second resistance wires comprise: two different metal wires, two different alloy wires, or one of the first resistance wire and the second resistance wire is a metal wire and the other is an alloy wire.
Preferably, the connection plate 2 is selected from materials with better heat conductivity, such as aluminum, silver, copper, iron, stainless steel, and the like.
Preferably, the tail end of the heating body 4 is provided with 2 heating line pins 7 exposing the heating cavity 5.
Preferably, the structure of the heating body 4 includes a one-segment spirally wound structure or a segmented spirally wound structure, or a broken line structure.
Preferably, the combination of the first resistance wire and the second resistance wire of the heating body 4 comprises the following three types: platinum-rhodium alloy wires and platinum wires, nickel-chromium alloy wires and nickel-silicon alloy wires, nickel-chromium-silicon alloy wires and nickel-silicon alloy wires.
Preferably, the heating chamber 5 has an insulating layer on its inner wall.
Preferably, the heating cavity 5 is a closed cavity and is in air flow communication with the accommodating cavity 1 only through the through holes 6 on the connecting joint plate 2.
Preferably, the material of the heating chamber 5 is selected from ceramics, metals, metal oxides, or alloys.
The utility model discloses the second aspect provides a observe and control temperature method of observing and controlling integrative air heating element of temperature, with the first aspect heating element through the positive negative pole that 7 electricity of its last 2 heating wire pins of heating are connected to circuit control device, observe and control temperature method includes following step:
step A: adjusting the circuit control device to supply the first voltage V to the heating element0When current passes through the heating element 4, the heating element 4 heats up to generate heat to be used as a heating element, and temperature control is realized;
and B: and adjusting the circuit control device, stopping supplying the voltage to the heating element 1, and detecting the temperature of the heating element 1 by using the heating element 4 as a thermocouple temperature measuring sensor to realize temperature detection.
Preferably, the temperature control and the temperature detection are periodically performed by periodically adjusting the voltage supplied to the heating element 4 by a circuit control device for a certain period of time.
The utility model discloses a heat-generating body 4 heats the air in the heating chamber 5 and temperature regulation and control, guarantees to get into the temperature unanimous that holds in the chamber, and then heats the smoking article.
The technical scheme can be freely combined on the premise of no contradiction.
The utility model discloses following beneficial effect has:
1. the utility model discloses designed the integrative air heating element of temperature of observing and controling for the first time, provide a new method for the temperature of observing and controlling of heating element of heating incombustible cigarette. The heating body is formed by welding a first resistance wire and a second resistance wire which are made of two conductive materials, and when high voltage is applied, the two conductive materials are used as the heating body to heat; when the voltage supply is stopped, the two conductive materials are used as thermocouple temperature measuring sensors to measure the temperature of the heating element. Compared with the existing heating element, the temperature measuring sensor is reduced, the manufacturing process of the heating element is simplified, the performance of the heating element is improved, the cigarette baking effect is improved, the production cost is reduced, and better use experience is brought to consumers.
2. The utility model discloses a 4 heated air on heat-generating body, hot-air give heat transfer for join in marriage fishplate bar 2, then reach and give hold the base material of fuming in the chamber 1 and carry out the purpose of heating, avoid the base material of fuming and the frequent direct contact of heat-generating body 4 and lead to the damage of heat-generating body 4.
3. In a preferred embodiment, the connection plate 2 is provided with at least one through hole 6, and the accommodating cavity 1 and the heating cavity 5 are in air flow communication through the through hole 6. The hot air in the heating cavity 5 heated by the heating body 4 is circulated into the containing cavity 1, and then the hot air can uniformly heat the fuming substrate. Compared with a mode of heating or transferring heat to the smoking substrate by a solid, the whole temperature of the hot air is consistent, and the circulation range of the airflow is larger, so that the air heating effect is more uniform, and better smoking experience can be brought to consumers.
Drawings
FIG. 1 is a schematic view of an air heating element with temperature measurement and control integrated in embodiment 1.
FIG. 2 is a top view of an air heating element with temperature measurement and control integrated in embodiment 1.
FIG. 3 is a waveform diagram of temperature control and detection signals of an air heating element integrated with temperature measurement and control in embodiment 2.
List of reference numerals:
1-containing cavity, 2-connecting plate, 3-welding point, 4-heating element, 5-heating cavity, 6-through hole, 7 and heating circuit pin.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1
As shown in fig. 1, an integrated temperature control and control air heating element includes: the holding cavity 1, the connecting plate 2, the heating body 4 and the heating cavity 5.
The containing cavity 1 is used for containing a smoking substrate, is positioned above the heating cavity 5, and is combined into a whole through the connecting plate 2. The connection plate 2 is made of stainless steel materials.
The heating cavity 5 is a closed cavity and is in air flow communication with the accommodating cavity 1 only through the through holes 6 on the connecting plate 2. The heating body 4 is positioned in the heating cavity 5 to heat air.
The heating body 4 is formed by welding two alloy materials of a nickel-chromium alloy wire and a nickel-silicon alloy wire at the welding point 3. After the two alloy materials are welded, the two alloy materials are heated up and heated under the condition of electrifying, and can be used as a thermocouple temperature measuring sensor to measure temperature under the condition of not electrifying.
The welding point 3 is the highest point of the heating body 4. The heating body 4 is in a spiral winding form, and the tail end of the heating body is provided with 2 heating circuit pins 7 exposed outside the heating cavity 5.
Example 2
A temperature measurement and control method of an air heating element integrating temperature measurement and control is characterized in that the heating element in embodiment 1 is electrically connected to the positive electrode and the negative electrode of a circuit control device through 2 heating circuit pins 7 on the heating element, and the temperature measurement and control method comprises the following steps:
as shown in fig. 3, at temperature control (voltage V)0In a battery voltage state), the voltage supplied to the heating element 4 is periodically adjusted by PWM adjustment of the electronic switch, and the voltage is adjustedControlling the temperature of the water;
in the case of temperature detection (voltage 0), the heating element 4 is at t0During this time, the temperature of the heating chamber 5 was tested.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. An integrated temperature and humidity monitoring air heating element, the heating element comprising: the heating device comprises an accommodating cavity (1), a connecting plate (2), a heating cavity (5) and a heating body (4);
wherein the connector plate (2) is arranged between the receiving chamber (1) and the heating chamber (5);
the heating element (4) is arranged in the heating cavity (5), the heating element (4) is welded at the welding point (3) through a first resistance wire and a second resistance wire to form a whole, and a temperature measuring element except the heating element (4) is not arranged on the heating element.
2. A heating element according to claim 1, wherein the connector plate (2) is provided with at least one through hole (6), the receiving cavity (1) and the heating cavity (5) being in air flow communication through the through hole (6).
3. The heating element of claim 1, wherein the first and second resistance wires comprise: two different metal wires, two different alloy wires, or one of the first resistance wire and the second resistance wire is a metal wire and the other is an alloy wire.
4. Heating element according to claim 1, characterized in that the connector plates (2) are selected from aluminium, silver, copper, iron or stainless steel.
5. The heating element according to claim 1, wherein the heating element (4) has 2 heating line pins (7) exposed from the heating chamber (5) at the end thereof.
6. The heating element according to claim 1, wherein the structure of the heat-generating body (4) comprises a one-piece spirally wound structure or a segmented spirally wound structure, or is a broken-line structure.
7. The heating element according to claim 1, characterized in that the first and second resistance wire combinations of the heat generating body (4) comprise three of: platinum-rhodium alloy wires and platinum wires, nickel-chromium alloy wires and nickel-silicon alloy wires, nickel-chromium-silicon alloy wires and nickel-silicon alloy wires.
8. A heating element according to claim 4, characterized in that the heating chamber (5) inner wall has an insulating layer.
9. A heating element according to claim 4, wherein the material of the heating chamber (5) is selected from ceramics, metals, metal oxides, or alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120468.5U CN211960911U (en) | 2020-01-19 | 2020-01-19 | Temperature measurement and control integrated air heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020120468.5U CN211960911U (en) | 2020-01-19 | 2020-01-19 | Temperature measurement and control integrated air heating element |
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| Publication Number | Publication Date |
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| CN211960911U true CN211960911U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020120468.5U Active CN211960911U (en) | 2020-01-19 | 2020-01-19 | Temperature measurement and control integrated air heating element |
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| CN (1) | CN211960911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455715A (en) * | 2021-07-05 | 2021-10-01 | 深圳麦时科技有限公司 | Aerosol generating device and heating assembly thereof |
-
2020
- 2020-01-19 CN CN202020120468.5U patent/CN211960911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455715A (en) * | 2021-07-05 | 2021-10-01 | 深圳麦时科技有限公司 | Aerosol generating device and heating assembly thereof |
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