Temperature uniformity evaluation device

By setting up a mounting groove of a plurality of temperature sensing elements on the bow clip of the heating cigarette, the problem of uneven heating temperature detection in the prior art is solved, and effective detection of heating uniformity of the heating sheet is achieved.

CN222840507UActive Publication Date: 2025-05-09CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202421303413.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-05-09
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

In the prior art, when the heating temperature is detected in the heating cigarette, the collection points are arranged relatively few, so the heating uniformity of the heating sheet cannot be effectively detected.

Method used

A temperature uniformity evaluation device is designed, and the heating uniformity detection of the heating sheet is achieved by setting a mounting groove of a plurality of temperature sensing elements on the linear bow of the bow clip.

Benefits of technology

By increasing the number of temperature acquisition points, the heating uniformity of the heating sheet can be more accurately detected, and the accuracy and reliability of temperature acquisition are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a temperature uniformity evaluation device, which comprises a data acquisition assembly, a heat insulation cylinder with an open upper end, a plurality of bow-shaped clamps positioned in the heat insulation cylinder, a cover body and a plurality of temperature sensing elements, a first central through hole through which the heating sheet passes is formed in the bottom of the heat insulation cylinder; relative to bow pieces at the two ends of the bow-shaped clamp, a linear bow body of the bow-shaped clamp is closer to the central axis of the heat insulation cylinder, a plurality of mounting grooves are formed in the bow body at intervals, and a temperature sensing element is mounted in each mounting groove; the cover body is detachably connected with the upper end of the heat insulation cylinder; in the working state, all the temperature sensing elements abut against a heating piece in the smoking set. The data acquisition assembly comprises a temperature conversion module, a communication module and an upper computer, the temperature sensing element is connected with the temperature conversion module through a cable, and the temperature conversion module is in electric signal connection with the upper computer through the communication module. According to the invention, the arrangement number of the temperature acquisition points is increased, so that the heating uniformity of the heating sheet is detected.
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Description

Technical Field

[0001] The present application relates to the technical field of cigarettes, and more specifically, to a temperature uniformity evaluation device. Background Art

[0002] Heated cigarettes heat tobacco at low temperatures without burning it. During heating, nicotine and flavor substances in the tobacco evaporate to produce smoke. The heating temperature of heated cigarettes is an important factor affecting the smoke characteristics and sensory quality of heated cigarettes.

[0003] In the prior art, the heating temperature of heated cigarettes is detected by directly contacting the heating sheet in the smoking device, but in fact, the temperature obtained at each collection point reflects the local temperature of the rod body. Since the heating sheet is located in the semi-enclosed narrow space of the smoking device, it is difficult to arrange the temperature collection points, so the temperature collection points are arranged less, and the heating uniformity of the heating sheet cannot be detected. Utility Model Content

[0004] The present application provides a temperature uniformity evaluation device, in which a plurality of mounting slots for temperature sensing elements are arranged on a straight bow body of a bow-shaped clamp, thereby increasing the number of arrangement of temperature collection points, thereby realizing the detection of heating uniformity of a heating plate.

[0005] The present application provides a temperature uniformity evaluation device, comprising a data acquisition assembly, an insulation cylinder with an open upper end, a plurality of bow-shaped clips positioned in the insulation cylinder, a cover body, and a plurality of temperature sensing elements;

[0006] The bottom of the heat-insulating cylinder is provided with a first central through hole for the heating plate to pass through; relative to the bow pieces at both ends of the bow-shaped clamp, the straight bow body of the bow-shaped clamp is closer to the central axis of the heat-insulating cylinder, and a plurality of mounting grooves are arranged on the bow body at intervals, and a temperature sensing element is installed in each mounting groove; the cover body is detachably connected to the upper end of the heat-insulating cylinder; in the working state, all temperature sensing elements are in contact with the heating plate in the smoking device;

[0007] The data acquisition component includes a temperature conversion module, a communication module and a host computer. The temperature sensing element is connected to the temperature conversion module through a cable, and the temperature conversion module is connected to the host computer through electrical signals via the communication module.

[0008] Preferably, a plurality of axially extending protrusions are symmetrically provided in the middle of the inner wall of the heat-insulating cylinder;

[0009] The protrusion is accommodated between the bow pieces at both ends of the bow-shaped clamp, the bottom surface of the upper bow piece fits the upper end surface of the protrusion, and the lower bow piece is clamped between the lower end surface of the protrusion and the bottom inner wall of the insulation tube.

[0010] Preferably, radial lead holes are respectively provided at positions on the protrusion corresponding to each temperature sensing element.

[0011] Preferably, the temperature sensing element is a platinum resistor or a thermocouple.

[0012] Preferably, the end surface of the temperature sensing element facing the heating plate is an arc surface with a diameter the same as that of the heating plate.

[0013] Preferably, the end surface of the bow body facing the heating plate is an arc surface with the same diameter as the heating plate.

[0014] Preferably, the cover body is threadedly connected to the upper end of the thermal insulation cylinder.

[0015] Preferably, the cover body is provided with a second central through hole.

[0016] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with the description, serve to explain the principles of the application.

[0018] Figure 1 A structural diagram of a temperature uniformity evaluation device provided in this application;

[0019] Figure 2 for Figure 1 Schematic diagram of the structure of the middle bow clamp. DETAILED DESCRIPTION

[0020] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0021] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or uses.

[0022] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0023] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0024] The present application provides a temperature uniformity evaluation device, in which a plurality of mounting slots for temperature sensing elements are arranged on a straight bow body of a bow-shaped clamp, thereby increasing the number of arrangement of temperature collection points, thereby realizing the detection of heating uniformity of a heating plate.

[0025] like Figure 1 and 2 As shown, the temperature uniformity evaluation device provided in the present application includes a data acquisition component (not shown in the figure), an insulating tube 20 with an open upper end, a plurality of bow clips 40 positioned in the insulating tube 20, a cover body 10 and a plurality of temperature sensing elements 60.

[0026] The bottom of the heat-insulating cylinder 20 is provided with a first central through hole 25 for the heating plate 30 to pass through. As an embodiment, a plurality of axially extending protrusions 21 are symmetrically provided in the middle of the inner wall of the heat-insulating cylinder 20. The protrusions 21 are accommodated between the bow pieces at both ends of the bow-shaped clamp 40, the bottom surface of the upper bow piece 41 is in contact with the upper end surface 22 of the protrusion 21, and the lower bow piece 42 is clamped in the space 23 between the lower end surface of the protrusion 21 and the inner wall of the bottom surface of the heat-insulating cylinder 20, thereby positioning the bow-shaped clamp 40 in the heat-insulating cylinder 20.

[0027] Compared with the bow pieces at both ends of the bow clip 40, the straight bow body 44 of the bow clip 40 is closer to the central axis of the heat insulation tube 20. A plurality of mounting grooves 43 are arranged at intervals on the bow body 44, and a temperature sensing element 60 is installed in each mounting groove 43. The size of the space surrounded by all the temperature sensing elements 60 matches the diameter of the heating plate 30. In the working state, all the temperature sensing elements 60 are in contact with the heating plate 30 in the smoking device.

[0028] Preferably, the end surface of the temperature sensing element 60 facing the heating plate 30 is an arc surface with the same diameter as the heating plate 30. On this basis, the end surface of the bow body 44 facing the heating plate 30 is an arc surface with the same diameter as the heating plate 30, so that the temperature sensing unit with the same diameter is attached to the heating plate 30, increasing the contact area between the two, which helps to improve the heat conduction efficiency and speed up the temperature collection speed.

[0029] Preferably, radial lead holes 24 are respectively provided at positions on the protrusion 21 corresponding to each temperature sensing element 60 , so that the wires of each temperature sensing element 60 are led out and connected to the temperature collection element.

[0030] As an embodiment, the temperature sensing element 60 is a platinum resistor or a thermocouple.

[0031] The cover body 10 is detachably connected to the upper end of the heat insulation cylinder 20 .

[0032] As an embodiment, a threaded hole 11 is provided on the cover body 10 , and the cover body 10 and the upper end of the heat insulation cylinder 20 are threadedly connected by bolts 50 .

[0033] Preferably, the cover body 10 is provided with a second central through hole 12, which facilitates the temperature uniformity evaluation device to be placed in and taken out of the heated cigarette accommodating cavity of the smoking device during the temperature collection process.

[0034] The data acquisition component includes a temperature conversion module, a communication module and a host computer. The temperature sensing element is connected to the temperature conversion module through a cable, and the temperature conversion module is connected to the host computer through electrical signals via the communication module.

[0035] When using the temperature uniformity evaluation device of the present application, the temperature uniformity evaluation device is inserted into the heated cigarette accommodating cavity of the smoking device, so that the heat-insulating cylinder and the cover body are limited in the heated cigarette accommodating cavity, and the heating plate is inserted into the first central through hole of the heat-insulating cylinder, and all temperature sensing elements are in contact with or in contact with the heating plate. After the connection is stable, turn on the heating function of the smoking device, and the heat of the heating plate is transferred to the temperature sensing element. The temperature sensing element outputs the corresponding resistance value to the temperature conversion module through the cable. After the temperature conversion module converts the resistance value into the corresponding temperature, it is transmitted to the host computer through the communication module. The host computer displays the heating temperature of different parts on the display screen through icons or curves for user reference. It should be noted that the host computer uses the existing technology to process and display temperature information, and this application does not improve the data processing and display technology.

[0036] Although some specific embodiments of the present application have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are only for illustration, not for limiting the scope of the present application. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A temperature uniformity evaluation device, characterized in that: It includes a data acquisition component, an insulation cylinder with an open upper end, a plurality of bow-shaped clips positioned in the insulation cylinder, a cover body, and a plurality of temperature sensing elements; The bottom of the heat-insulating tube is provided with a first central through hole for the heating plate to pass through; relative to the bow pieces at both ends of the bow-shaped clamp, the straight bow body of the bow-shaped clamp is closer to the central axis of the heat-insulating tube, and the bow body is provided with a plurality of installation grooves at intervals, and a temperature sensing element is installed in each installation groove; the cover body is detachably connected to the upper end of the heat-insulating tube; in the working state, all temperature sensing elements are in contact with the heating plate in the smoking device; The data acquisition component includes a temperature conversion module, a communication module and a host computer. The temperature sensing element is connected to the temperature conversion module through a cable, and the temperature conversion module is connected to the host computer through an electrical signal of the communication module.

2. The temperature uniformity evaluation device according to claim 1, characterized in that: A plurality of axially extending protrusions are symmetrically provided on the middle portion of the inner wall of the heat-insulating cylinder; The protrusion is accommodated between the bow pieces at both ends of the bow-shaped clamp, the bottom surface of the upper bow piece is in contact with the upper end surface of the protrusion, and the lower bow piece is clamped between the lower end surface of the protrusion and the bottom inner wall of the insulation tube.

3. The temperature uniformity evaluation device according to claim 2, characterized in that: A radial lead hole is respectively provided at a position on the protrusion corresponding to each temperature sensing element.

4. The temperature uniformity evaluation device according to claim 1, characterized in that: The temperature sensing element is a platinum resistor or a thermocouple.

5. The temperature uniformity evaluation device according to claim 1, characterized in that: The end surface of the temperature sensing element facing the heating plate is an arc surface with a diameter the same as that of the heating plate.

6. The temperature uniformity evaluation device according to claim 1, characterized in that: The end surface of the bow body facing the heating plate is an arc surface with the same diameter as the heating plate.

7. The temperature uniformity evaluation device according to claim 1, characterized in that: The cover body is threadedly connected to the upper end of the heat insulation cylinder.

8. The temperature uniformity evaluation device according to claim 1, characterized in that: The cover body is provided with a second central through hole.