Integrated heating pipe and heating device

Abstract

The invention discloses an integrated heating tube and a heating device with the integrated heating tube, wherein the integrated heating tube comprises: a ceramic tube body, a heating cavity is provided inside the ceramic tube body, terminal connection parts are provided at both ends of the ceramic tube body, and a first mounting part is provided at the end of the ceramic tube body; a conductive terminal is connected to the terminal connection part; a heating wire is provided in the heating cavity, and the two ends of the heating wire are respectively connected to the conductive terminals. The heating wire passes through the heating cavity in the ceramic tube body, and the conductive terminal is connected to the terminal connection part of the ceramic tube body to form an integrated heating tube, which is installed on an external device through the first mounting part; a ceramic tube body in the present technology replaces the quartz tube in the existing heating tube and the ceramic seats at both ends of the quartz tube, thereby reducing the number of parts and having a simple structure. At the same time, no adhesive or connector is required between the quartz tube and the ceramic seat to avoid generating powder, thereby reducing food safety issues.

Description

Technical Field

[0001] The invention relates to the technical field of heating pipes, and in particular to an integrated heating pipe and a heating device. Background Art

[0002] The heating tube is the main heating element in the heating device. The structure of the existing heating tube mainly includes a quartz tube and a ceramic seat. The ceramic seats are put on both ends of the quartz tube for installation with external equipment, and a heating wire is inserted into the quartz tube for heating. An adhesive or a connector is usually applied between the quartz tube and the ceramic seat. The adhesive and the connector are used to make the quartz tube and the ceramic seat difficult to separate after being connected; however, the temperature at the connection point between the quartz tube and the ceramic seat is high, and the adhesive or the connector is easily turned into powder after being exposed to high temperature for a long time. The powder may float onto the objects that need to be heated, such as food, tableware and other items, causing food safety problems. Invention content

[0003] The invention aims to solve at least one of the technical problems existing in the prior art. To this end, the invention proposes an integrated heating pipe.

[0004] The invention also provides a heating device having the above-mentioned integrated heating tube.

[0005] The integrated heat pipe according to the first embodiment of the present invention comprises:

[0006] A ceramic tube body, wherein a heating cavity is provided inside the ceramic tube body, the heating cavity extends along the length direction of the ceramic tube body, both ends of the ceramic tube body are provided with terminal connecting parts, and the end of the ceramic tube body is provided with a first mounting part;

[0007] A conductive terminal connected to the terminal connecting portion;

[0008] A heating wire is arranged in the heating cavity, and two ends of the heating wire are respectively connected to the conductive terminals.

[0009] The integrated heating tube according to the embodiment of the invention has at least the following beneficial effects: the heating wire passes through the heating cavity in the ceramic tube body, and the conductive terminal is connected to the terminal connecting part of the ceramic tube body to form an integrated heating tube, which is installed on an external device through a first mounting part; a ceramic tube body in the present technology replaces the quartz tube and the ceramic seats at both ends of the quartz tube in the existing heating tube, thereby reducing the number of parts and simplifying the structure. At the same time, no adhesive or connector is required between the quartz tube and the ceramic seat to avoid generating powder, thereby reducing food safety issues.

[0010] According to some embodiments created by the present invention, a terminal mounting hole is provided on the ceramic tube body, the terminal connecting part includes the terminal mounting hole, the conductive terminal includes a first terminal piece, the first terminal piece abuts against the inner wall of the heating cavity where the terminal mounting hole is located, one end of the first terminal piece is arranged on the outside of the heating cavity, the other end of the first terminal piece is connected to the heating wire, a second terminal piece is provided on the first terminal piece, the second terminal piece is inserted into the terminal mounting hole, a third terminal piece is bent at one end of the second terminal piece away from the first terminal piece, and the third terminal piece abuts against the outer wall of the ceramic tube body.

[0011] Insert the second terminal piece into the terminal mounting hole, and make the first terminal piece abut against the inner wall of the heating chamber, and then bend the third terminal piece to abut against the outer wall of the heating chamber, so that the first terminal piece and the third terminal piece clamp the ceramic tube body, thereby realizing the installation and fixation of the conductive terminal and the ceramic tube body, and the structure is simple.

[0012] According to some embodiments of the invention, the end of the ceramic tube body is provided with a mounting step, and the first mounting portion includes the mounting step. The mounting step is used for positioning and connecting with an external device, and a mounting hole is provided on the external device, and the mounting step is inserted into the mounting hole for positioning, which is easy to install.

[0013] According to some embodiments of the present invention, both ends of the ceramic tube body are provided with the installation steps. Both ends of the ceramic tube body are provided with installation steps, so that both ends of the integrated heating pipe are connected to external equipment and are firmly installed.

[0014] According to some embodiments of the present invention, the ceramic tube body is a square tube.

[0015] According to some embodiments of the present invention, the ceramic tube body is a round tube.

[0016] According to some embodiments of the present invention, the ceramic tube body is a flat tube body. The flat ceramic tube body can increase the heating area of ​​the ceramic tube body and improve the heating uniformity of the heated object.

[0017] According to some embodiments of the invention, the ceramic tube body is provided with a thickening block, and the thickening block extends along the length direction of the ceramic tube body. One side of the thickening block faces the inner wall of the box of the external device, and the other side of the thickening block faces the heated object; the thickening block is thicker, which can reduce the heat radiation passing through, and the temperature of the side where the thickening block is located is lower, so that the heat transferred to the external device is reduced, the heat loss is reduced, and the temperature of the box of the external device is lowered so that it is not hot.

[0018] According to some embodiments of the present invention, a first cavity is provided inside the thickened block, and the first cavity extends along the length direction of the thickened block. The first cavity is provided inside the thickened block, and air is inside the first cavity. The air has poor thermal conductivity, which can further block the transfer of heat and reduce heat loss.

[0019] A heating device according to a second embodiment of the present invention comprises an integrated heating pipe according to the first embodiment of the present invention, and the heating device is provided with a second mounting portion, which is matched with the first mounting portion.

[0020] The heating device according to the embodiment of the invention has at least the following beneficial effects: by adopting the above-mentioned integrated heating pipe, the installation of the heating pipe can be simplified, the assembly efficiency can be improved, and the food safety risks can be reduced.

[0021] The invention is used for a heating pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The above and / or additional aspects and advantages of the present invention will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings. Obviously, the drawings described are only part of the embodiments of the present invention, not all of them, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0023] Figure 1 A schematic diagram of the three-dimensional structure of an integrated heating pipe according to an embodiment of the present invention;

[0024] Figure 2 A schematic cross-sectional view of an integrated heating pipe according to an embodiment of the present invention;

[0025] Figure 3 for Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0026] Figure 4 A schematic structural diagram of a ceramic tube body of an embodiment of the present invention having a square tube shape;

[0027] Figure 5 A schematic structural diagram of another shape of a square tube in which the ceramic tube body of an embodiment of the present invention is a square tube;

[0028] Figure 6 A schematic structural diagram of a ceramic tube body of an embodiment of the present invention in the form of a round tube;

[0029] Figure 7 A schematic structural diagram of another shape of a round tube in which the ceramic tube body of an embodiment of the present invention is a round tube;

[0030] Figure 8 A schematic diagram of the structure of a ceramic tube body provided with a thickening block in an embodiment of the present invention;

[0031] Fig. 9 A schematic diagram of the structure of a ceramic tube body provided with a thickening block and a first cavity in an embodiment of the present invention;

[0032] Fig.10 The ceramic tube body of the embodiment of the present invention is a flat structural schematic diagram.

[0033] In the accompanying drawings: 101-ceramic tube body, 102-heating cavity, 103-terminal mounting hole, 104-mounting step, 105-groove, 106-thickening block, 107-first cavity, 201-conductive terminal, 202-first terminal piece, 203-second terminal piece, 204-third terminal piece, 301-heating wire. DETAILED DESCRIPTION

[0034] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0035] In the description of the present invention, it should be understood that the descriptions involving orientation, such as up, down, front, back, left, right, etc., the orientations or positional relationships indicated are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of the invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0037] In the description of the present invention, unless otherwise clearly defined, words such as "provided with" and "connected" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0038] Reference below Figures 1 to 10 An integrated heat pipe according to a first embodiment of the present invention is described.

[0039] The integrated heating tube includes a ceramic tube body 101 , a conductive terminal 201 and a heating wire 301 .

[0040] A heating chamber 102 is provided inside the ceramic tube body 101 . The heating chamber 102 extends along the length direction of the ceramic tube body 101 . Terminal connecting parts are provided at both ends of the ceramic tube body 101 . A first mounting part is provided at the end of the ceramic tube body 101 .

[0041] Specifically, the ceramic tube body 101 is integrally formed of a high temperature resistant ceramic material. The ceramic tube body 101, as the structural main body of the integrated heating tube, replaces the combined structure of the quartz tube and the ceramic seats at both ends of the quartz tube in the existing heating tube. The high temperature resistant ceramic material can be alumina ceramics, silicon nitride ceramics, boron carbide ceramics or boron nitride ceramics, etc. The above materials have good high temperature resistance and can withstand the working temperature of the heating tube. Those skilled in the art can select appropriate materials according to actual use and molding conditions.

[0042] The conductive terminal 201 is connected to the terminal connecting portion. Both ends of the ceramic tube body 101 are provided with the conductive terminal 201 .

[0043] The heating wire 301 is disposed in the heating chamber 102, and both ends of the heating wire 301 are respectively connected to the conductive terminals 201. When the conductive terminals 201 are connected to an external power source, the heating wire 301 is energized and generates heat.

[0044] The heating wire 301 passes through the heating cavity 102 in the ceramic tube body 101, and the conductive terminal 201 is connected to the terminal connection part of the ceramic tube body 101 to form an integrated heating tube, which is installed on an external device through a first installation part. A ceramic tube body 101 in the present technology replaces the quartz tube and the ceramic seats at both ends of the quartz tube in the existing heating tube, reduces the number of parts, has a simple structure, eliminates the installation steps of the quartz tube and the ceramic seat, and does not require an adhesive or connector between the quartz tube and the ceramic seat to avoid powder generation, thereby reducing food safety issues. After using the ceramic tube body 101, the volume of the heating cavity 102 can be increased, the heating space of the heating wire 301 can be increased, and the service life of the heating wire 301 can be increased.

[0045] In some specific embodiments of the present invention, a terminal mounting hole 103 is provided on the ceramic tube body 101, the terminal connecting part includes the terminal mounting hole 103, the conductive terminal 201 includes a first terminal piece 202, the first terminal piece 202 abuts against the inner wall of the heating cavity 102 where the terminal mounting hole 103 is located, one end of the first terminal piece 202 is arranged on the outside of the heating cavity 102, the other end of the first terminal piece 202 is connected to the heating wire 301, a second terminal piece 203 is provided on the first terminal piece 202, the second terminal piece 203 is inserted into the terminal mounting hole 103, and a third terminal piece 204 is bent at one end of the second terminal piece 203 away from the first terminal piece 202, and the third terminal piece 204 abuts against the outer wall of the ceramic tube body 101.

[0046] Specifically, the conductive terminal 201 is integrally formed, and the conductive terminal 201 is made of metal materials such as aluminum or stainless steel. The first terminal piece 202 is the main body, and the second terminal piece 203 is located in the middle of the first terminal piece 202. The second terminal piece 203 is punched out of the first terminal piece 202 by stamping. Before or during installation, the second terminal piece 203 is bent and inserted into the terminal installation hole 103, and the second terminal piece 203 is tightened to make the first terminal piece 202 abut against the inner wall of the heating cavity 102; then the third terminal piece 204 is bent at the end of the second terminal piece 203 and pressed on the outer wall of the ceramic tube body 101, so that the first terminal piece 202 and the third terminal piece 204 clamp the ceramic tube body 101, and the conductive terminal 201 is installed and fixed with the ceramic tube body 101, and the installation is simple. The end of the first terminal piece 202 close to the outside of the ceramic tube body 101 is located outside the ceramic tube body 101, and is connected to the external wire. The end of the first terminal piece 202 close to the inner side of the ceramic tube body 101 is connected to the heating wire 301 , and the portion connected to the heating wire 301 can be bent to the middle of the heating cavity 102 so that the heating wire 301 is located in the middle of the heating cavity 102 .

[0047] The connection structure of the conductive terminal 201 can also be connected by screws, or a plug hole is set at the end of the ceramic tube body 101, and the conductive terminal 201 is tightly connected in the plug hole. Technical personnel in this field can make changes according to the actual installation requirements of the external equipment.

[0048] In some specific embodiments of the present invention, a mounting step 104 is provided at the end of the ceramic tube body 101, and the first mounting portion includes the mounting step 104. The mounting step 104 is used for positioning and connecting with an external device. A mounting hole is provided on the external device, and the mounting step 104 is inserted into the mounting hole for positioning, which is easy to install. The mounting step 104 can be provided at both ends or one end of the ceramic tube body 101. The first mounting portion can also be provided as a screw hole, and connected with an external device by a screw.

[0049] In some specific embodiments of the present invention, the ceramic tube body 101 is a square tube, which includes a rectangular tube or a square tube. The ceramic tube body 101 can also be a round tube, other polygonal tubes, etc., and those skilled in the art can set it according to installation requirements or appearance requirements.

[0050] Specifically, refer to Figure 4 , which is one of the structures of the ceramic tube body 101. The ceramic tube body 101 is a square tube. Both ends of the ceramic tube body 101 are provided with inwardly concave mounting steps 104. The mounting steps 104 are entirely located on the inner side of the ceramic tube body 101. The mounting steps 104 are also square. The terminal mounting holes 103 are provided on the mounting steps 104. Figure 5 The ceramic tube body 101 shown is another structure of a square tube. Half of the first mounting portion is a mounting step 104. The cross section of the mounting step 104 is a semicircular arc. The other half of the first mounting portion is the same as the cross section of the ceramic tube body 101.

[0051] Reference Figure 6 , the ceramic tube body 101 shown is a round tube structure, with round tube-shaped installation steps 104 at both ends. Figure 7 The ceramic tube body 101 shown is another structure of a round tube. The first mounting portion of the ceramic tube body 101 is a groove 105. The groove 105 is provided on the ceramic tube body 101. External equipment can position the ceramic tube body 101 by setting a connector or the like through the groove 105.

[0052] In some specific embodiments of the present invention, refer to Fig.10 The ceramic tube body 101 is a flat tube body. The ceramic tube body 101 is flat and has a large width, which can increase the heating area of ​​the ceramic tube body 101 and improve the heating uniformity of the heated items, so that the food can be heated and baked more evenly.

[0053] In some specific embodiments of the present invention, refer to Figures 8 to 10 The ceramic tube body 101 is provided with a thickening block 106, which extends along the length direction of the ceramic tube body 101. One side of the thickening block 106 faces the inner wall of the box of the external device, and the other side of the thickening block 106 faces the heating object; the thickening block 106 is thicker, which can reduce the heat radiation passing through, and the temperature of the side where the thickening block 106 is located is lower, so that the heat transferred to the external device is reduced, reducing heat loss and saving energy, and also reducing the temperature of the box of the external device so that it is not hot.

[0054] Furthermore, a first cavity 107 is provided inside the thickened block 106, and the first cavity 107 extends along the length direction of the thickened block 106. The first cavity 107 is provided inside the thickened block 106, and the first cavity 107 is filled with air, which has poor thermal conductivity and can further block heat transfer and reduce heat loss.

[0055] A heating device according to a second embodiment of the present invention comprises an integrated heating tube according to the first embodiment of the present invention, and the heating device is provided with a second mounting portion, which is matched with the first mounting portion.

[0056] According to the heating device of the present invention, by adopting the above-mentioned integrated heating pipe, the installation of the heating pipe can be simplified, the assembly efficiency can be improved, and the food safety hazards can be reduced. The heating devices that can be used for the integrated heating pipe include but are not limited to disinfection cabinets, heaters, ovens or microwave ovens.

[0057] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Within the knowledge scope of ordinary technicians in the technical field, various equivalent modifications or substitutions can be made without departing from the purpose of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. An integrated heating tube, characterized in that: include: A ceramic tube body, wherein a heating cavity is provided inside the ceramic tube body, the heating cavity extends along the length direction of the ceramic tube body, both ends of the ceramic tube body are provided with terminal connecting parts, and the end of the ceramic tube body is provided with a first mounting part; A conductive terminal connected to the terminal connecting portion; A heating wire is arranged in the heating chamber, and two ends of the heating wire are respectively connected to the conductive terminals; The ceramic tube body is provided with a terminal mounting hole, the terminal connecting portion includes the terminal mounting hole, the conductive terminal includes a first terminal piece, the first terminal piece abuts against the inner wall of the heating chamber where the terminal mounting hole is located, one end of the first terminal piece is arranged on the outside of the heating chamber, the other end of the first terminal piece is connected to the heating wire, a second terminal piece is provided on the first terminal piece, the second terminal piece is inserted into the terminal mounting hole, a third terminal piece is bent at one end of the second terminal piece away from the first terminal piece, and the third terminal piece abuts against the outer wall of the ceramic tube body; The end of the ceramic tube body is provided with a mounting step, and the first mounting portion includes the mounting step; The ceramic tube body is provided with a thickening block, and the thickening block extends along the length direction of the ceramic tube body.

2. The integrated heating pipe according to claim 1, characterized in that: The ceramic tube body is a square tube.

3. The integrated heating pipe according to claim 1, characterized in that: The ceramic tube body is a round tube.

4. The integrated heating pipe according to claim 1, characterized in that: The ceramic tube body is a flat tube body.

5. The integrated heating pipe according to claim 1, characterized in that: A first cavity is provided inside the thickening block, and the first cavity extends along the length direction of the thickening block.

6. A heating device, characterized in that: It comprises an integrated heating pipe according to any one of claims 1 to 5, wherein the heating device is provided with a second mounting portion, and the second mounting portion is matched with the first mounting portion.

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