Contact type temperature acquisition and detection device of heating rod

Abstract

The utility model discloses a contact type temperature acquisition and detection device for a heating rod. The contact type temperature acquisition and detection device comprises a temperature acquisition element and an integrally formed main body, a central hole is formed in the main body, and a plurality of hollow mounting holes are uniformly distributed in the main body along the circumferential direction; at least one clamping piece extending in the axial direction is fixed in the mounting hole, a protruding part protruding towards the axis of the center hole relative to the two ends is arranged in the middle of the clamping piece, a positioning groove is formed in the protruding part, a first temperature sensing element is fixed in the positioning groove, and the first temperature sensing element is connected with a temperature collecting element through a wire; the radial distances between all the first temperature sensing elements and the axis of the center hole are the same; the main body and the clamping pieces are made of heat insulation materials; in the working state, the inner side faces of all the first temperature sensing elements abut against a heating rod in the smoking set. The temperature sensing element can be effectively fixed and prevented from loosening, shaking and the like, and the accuracy of temperature detection is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of cigarettes, and more specifically, to a contact-type temperature acquisition and detection device for a heating rod. 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] Currently, the industry is using contact detection as an attempt, that is, directly contacting the heating plate (such as a miniature rod-shaped heating plate or a heating rod) inside the smoking device to measure temperature and test the heating function. However, since the heating rod is located in the semi-enclosed and narrow space of the smoking device, it is difficult to arrange the direct contact temperature collection point, and the temperature sensing element is prone to loosening and shaking, resulting in inaccurate temperature detection. Utility Model Content

[0004] The present application provides a contact-type temperature collection and detection device for a heating rod. By fixing a clamping plate on an integrally formed main body and installing a temperature sensing element on the clamping plate, the temperature sensing element can be effectively fixed to prevent it from loosening or shaking, thereby ensuring the accuracy of temperature detection.

[0005] The present application provides a contact-type temperature collection and detection device for a heating rod, comprising a temperature collection element and an integrally formed main body;

[0006] The main body is provided with a central hole, and a plurality of hollow mounting holes are evenly distributed along the circumference of the main body;

[0007] At least one clamping sheet extending in the axial direction is fixed in the mounting hole, a protrusion is provided in the middle of the clamping sheet relative to the two ends and protruding toward the axis of the center hole, a positioning groove is provided on the protrusion, a first temperature sensing element is fixed in the positioning groove, and the first temperature sensing element is connected to the temperature collection element through a wire;

[0008] All the first temperature sensing elements have the same radial distance from the axis of the central hole, and the main body and the clamping sheet are made of heat-insulating material;

[0009] In the working state, the inner side surfaces of all the first temperature sensing elements are in contact with the heating rods in the smoking device.

[0010] Preferably, the protrusions of the plurality of clamping pieces in the same mounting hole have different heights.

[0011] Preferably, the clamping pieces with protrusions of the same height in different mounting holes are symmetrically arranged relative to the central hole.

[0012] Preferably, the main body has a circular shape with a set of symmetrical tangent planes.

[0013] Preferably, a positioning through hole is provided on the cutting plane, a second temperature sensing element is provided in the positioning through hole, and the second temperature sensing element is connected to the temperature collecting element through a wire;

[0014] In the working state, the inner side surfaces of all the second temperature sensing elements are in contact with the heating rods in the smoking device.

[0015] Preferably, the first temperature sensing element and / or the second temperature sensing element is arc-shaped, and the inner diameter thereof is the same as the outer diameter of the heating rod.

[0016] Preferably, the first temperature sensing element and the second temperature sensing element are platinum resistors or thermocouples.

[0017] Preferably, the height of the second temperature sensing element is different from the heights of all the first temperature sensing elements.

[0018] Preferably, the protrusions of the plurality of clamping pieces in the same mounting hole have the same height.

[0019] Preferably, insulating glue is provided between the first temperature sensing element and the positioning groove.

[0020] 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

[0021] 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.

[0022] Figure 1 An assembly diagram of the contact temperature collection and detection device of the heating rod and the smoking device provided in this application;

[0023] Figure 2 This is a front view of the contact temperature collection and detection device for the heating rod provided in the present application;

[0024] Figure 3 A three-dimensional diagram of the contact temperature collection and detection device for the heating rod provided in the present application;

[0025] Figure 4 A structural diagram of the clamping sheet provided for this application. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] 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.

[0030] The present application provides a contact-type temperature collection and detection device for a heating rod. By fixing a clamping plate on an integrally formed main body and installing a temperature sensing element on the clamping plate, the temperature sensing element can be effectively fixed to prevent it from loosening or shaking, thereby ensuring the accuracy of temperature detection.

[0031] like Figure 2-3 As shown, the contact temperature collection and detection device 200 for a heating rod provided in the present application includes a temperature collection element and an integrally formed main body 210 .

[0032] The main body 210 is provided with a central hole 2102, and a plurality of hollow mounting holes are evenly distributed along the circumference of the main body 210. At least one clamping sheet extending along the axial direction is fixed in the mounting hole. Figure 2 and 3 In the illustrated embodiment, two hollow mounting holes are evenly distributed along the circumference of the main body 210. Two clamping plates, a first clamping plate 220 and a second clamping plate 230, are fixed in each mounting hole.

[0033] The middle part of the clamping piece is provided with a protrusion protruding toward the axis of the center hole 2102 relative to both ends, and a positioning groove is provided on the protrusion. Figure 2-4 As shown, a first protrusion 2201 is provided in the middle of the first clamping piece 220, and a first positioning groove 2202 is provided on the first protrusion 2201. A second protrusion 2301 is provided in the middle of the second clamping piece 230, and a second positioning groove 2302 is provided on the second protrusion 2301.

[0034] A first temperature sensing element is fixed in the positioning groove, and the first temperature sensing element is connected to the temperature collection element through a wire. The radial distances of all the first temperature sensing elements and the axis of the central hole 2102 are the same.

[0035] It should be noted that the main body 210 and the clamping plate are made of heat-insulating materials (such as polystyrene boards), so that all the heat on the heating rod is transferred to the temperature sensing element, which helps to accurately detect the heating temperature of the heating rod.

[0036] Preferably, an insulating glue is provided between the first temperature sensing element and the positioning groove to prevent the main body and the clamping sheet from constituting a part of the conductive loop and affecting the signal transmission of the temperature sensing element.

[0037] As an embodiment, the protrusions of the plurality of clamping pieces in the same mounting hole have the same height.

[0038] If the height of the protruding parts of the clamping plates is the same, all temperature sensing elements will collect temperature information at the same axial position of the heating rod, and use the local temperature to represent the overall temperature of the heating rod, which will lead to inaccurate temperature detection. Based on this consideration, preferably, the protruding parts of multiple clamping plates in the same mounting hole have different heights, thereby collecting the temperature at different axial positions on the heating rod, which is helpful to accurately detect the heating temperature of the heating rod. Figure 2-4 In the illustrated embodiment, the first protrusion 2201 of the first clamping piece 220 and the second protrusion 2301 of the second clamping piece 230 have different heights.

[0039] On this basis, preferably, the clamping pieces with protrusions of the same height in different mounting holes are symmetrically arranged relative to the central hole 2102. Figure 2-4 In the illustrated embodiment, a first clamping piece 220 and a second clamping piece 230 are respectively provided in the two mounting holes, and the two first clamping pieces 220 are symmetrically arranged, and the two second clamping pieces 230 are symmetrically arranged. Thus, the same axial position of the heating rod is detected by multiple temperature sensing elements, which can prevent errors caused by inaccurate detection of a single temperature sensing element.

[0040] As an example, Figure 1 As shown, the heated cigarette receiving chamber 110 of the smoking device 100 is oval. Figure 2 and 3 The main body 210 of the contact temperature collection and detection device 200 has a circular shape with a set of symmetrical tangent planes, which matches the shape of the heated cigarette accommodating cavity 110 .

[0041] Preferably, if Figure 2-3 As shown, a positioning through hole 2101 is provided on the cutting plane, and a second temperature sensing element is provided in the positioning through hole 2101. The second temperature sensing element is connected to the temperature collection element through a wire. The design of the second temperature sensing element increases the number of temperature sensing elements, which helps to more accurately detect the heating temperature of the heating rod.

[0042] Preferably, the height of the second temperature sensing element is different from the height of all the first temperature sensing elements, thereby obtaining temperature information at more axial positions of the heating rod, which helps to more accurately detect the heating temperature of the heating rod.

[0043] Preferably, the first temperature sensing element and / or the second temperature sensing element is arc-shaped, and its inner diameter is the same as the outer diameter of the heating rod, thereby increasing the contact area between the temperature sensing element and the heating rod, having higher thermal conductivity and improving temperature sensing efficiency.

[0044] As an embodiment, the first temperature sensing element and the second temperature sensing element are platinum resistors or thermocouples.

[0045] When in use, the contact temperature acquisition and detection device of the present application is inserted into the heated cigarette accommodating cavity 110 of the smoking device 100, so that the heating rod is inserted into the central hole 2102, and the inner side surfaces of all the first temperature sensing elements and the second temperature sensing elements are in contact with the heating rod. After the connection is stable, the heating function of the smoking device is turned on, and the heat of the heating rod is transferred to the temperature sensing element. The temperature sensing element outputs the corresponding resistance value to the temperature conversion module of the temperature acquisition element through the wire. 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 performs comprehensive processing on the temperature information of all temperature sensing elements, obtains the heating temperature of the heating rod, and displays it on the display screen for the user's reference. It should be noted that the host computer uses the existing technology to process and display the temperature information, and this application does not improve the data processing and display technology.

[0046] 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 contact temperature acquisition and detection device for a heating rod, characterized in that: It includes a temperature collection element and an integrally formed main body; The main body is provided with a central hole, and a plurality of hollow mounting holes are evenly distributed along the circumference of the main body; At least one clamping sheet extending in the axial direction is fixed in the mounting hole, a protrusion is provided in the middle of the clamping sheet relative to both ends and protruding toward the axis of the central hole, a positioning groove is provided on the protrusion, a first temperature sensing element is fixed in the positioning groove, and the first temperature sensing element is connected to the temperature collection element through a wire; All the first temperature sensing elements have the same radial distance from the axis of the central hole, and the main body and the clamping sheet are made of heat-insulating material; In the working state, the inner side surfaces of all the first temperature sensing elements are in contact with the heating rods in the smoking device.

2. The contact temperature acquisition and detection device for a heating rod according to claim 1, characterized in that: The protrusions of the plurality of clamping pieces in the same mounting hole have different heights.

3. The contact temperature acquisition and detection device for a heating rod according to claim 2, characterized in that: The clamping pieces with protrusions of the same height in different mounting holes are symmetrically arranged relative to the central hole.

4. The contact temperature acquisition and detection device for a heating rod according to claim 1, characterized in that: The main body has a circular shape with a set of symmetrical tangent planes.

5. The contact temperature acquisition and detection device for a heating rod according to claim 4, characterized in that: A positioning through hole is provided on the cutting plane, a second temperature sensing element is provided in the positioning through hole, and the second temperature sensing element is connected to the temperature collecting element through a wire; In the working state, the inner side surfaces of all the second temperature sensing elements are in contact with the heating rods in the smoking device.

6. The contact temperature acquisition and detection device for a heating rod according to claim 5, characterized in that: The first temperature sensing element and / or the second temperature sensing element is arc-shaped, and the inner diameter thereof is the same as the outer diameter of the heating rod.

7. The contact temperature acquisition and detection device for a heating rod according to claim 5, characterized in that: The first temperature sensing element and the second temperature sensing element are platinum resistors or thermocouples.

8. The contact temperature acquisition and detection device for a heating rod according to claim 5, characterized in that: The height of the second temperature sensing element is different from the heights of all the first temperature sensing elements.

9. The contact temperature acquisition and detection device for a heating rod according to claim 1, characterized in that: The protrusions of the plurality of clamping pieces in the same mounting hole have the same height.

10. The contact temperature acquisition and detection device for a heating rod according to claim 1, characterized in that: Insulating glue is provided between the first temperature sensing element and the positioning groove.

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