Silicon nitride instant heating body
By designing a silicon nitride instant heat generator, using external conductors and silicon nitride intermediate layers to control the external heat generator and internal heat generator separately, the problem of poor temperature control effect of the existing silicon nitride heat generator is solved, and rapid The effects of heating and multi-stage heating.
Patent Information
- Application Number
- CN202421079721.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing silicon nitride heating elements have poor temperature control effect and are slow to generate heat, making it difficult to achieve rapid heating.
Design a silicon nitride instant heat generating body, including external conductors, bases, external heating element, silicon nitride intermediate layer and internal heating element. The external heating element and internal heating element are controlled separately through external conductors to achieve double temperature The heating efficiency is improved through the silicon nitride intermediate layer and the disassembled structure.
Fast heating and multi-stage heating are achieved, which can better control the temperature output, save materials and reduce volume.
Smart Images
Figure CN222321796U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of heating elements, and in particular relates to a silicon nitride instant heating element. Background Art
[0002] Silicon nitride heating element is an electric heating element made of silicon nitride ceramic as the matrix. Silicon nitride ceramic has high mechanical strength at high temperature, strong resistance to thermal shock, acid and alkali corrosion, excellent insulation performance, good thermal conductivity, and is widely used. Common silicon nitride heating elements are single heating elements with poor temperature control and slow heating.
[0003] Therefore, there is an urgent need for a silicon nitride instant heating element to solve the above technical problems. Utility Model Content
[0004] The purpose of the utility model is to provide a silicon nitride instant heating element to solve the above technical problems.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicon nitride instant heating element, comprising an external wire one, an external wire two, a heating element and a base; the external wire, the external wire two and the heating element are arranged at both ends of the base, and the external wire and the external wire two are arranged at one end of the heating element; the heating element comprises an external heating element, a silicon nitride intermediate layer and an internal heating element, the internal heating element is arranged in the middle of the external heating element, and a silicon nitride intermediate layer is arranged between the internal heating element and the external heating element; a filling layer is arranged in the base; electrode sheets are connected between the external wire one and the external heating element and between the external wire two and the internal heating element.
[0006] The external heating element is connected to an external wire 1, and the internal heating element is connected to an external wire 2. The external wire 1 and the external wire 2 are led out in a direction away from the heating element, and the external wire 1 and the external wire 2 are arranged in parallel.
[0007] The external heating element and the internal heating element are both adjacent to the external environment, and the internal heating element and the external heating element are arranged in staggered layers.
[0008] The external heating element and the internal heating element are both electric heating wires covered with silicon nitride structures or electric heating films covered with silicon nitride structures, and the numbers of electric heating wires or electric wire films distributed inside the external heating element and the internal heating element are different.
[0009] Electrode sheets are connected between the externally connected wire 1 and the external heating element, and between the externally connected wire 2 and the internal heating element.
[0010] The heating element comprises a mounting bolt, a sealing ring, a ferrule and a ceramic ring; a sealing ring is fixed at one end of the ferrule, a ceramic ring is fixed at the other end of the ferrule, and a mounting bolt is arranged outside the ceramic ring.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] The utility model arranges an external wire one, an external wire two, a base, an external heating element, a silicon nitride intermediate layer and an internal heating element; the external heating element and the internal heating element are individually controlled by the external wire one and the external wire two to achieve an individual temperature control effect in dual temperature zones. When the two heating elements work at the same time, they can generate heat faster. The staggered arrangement between the internal heating element and the external heating element is conducive to providing multi-stage heating and can better heat the external contact structure; the silicon nitride intermediate layer is arranged to save materials and reduce the volume. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 A schematic diagram of a silicon nitride instant heating element;
[0014] In the figure: 1. External wire one; 2. Heater; 3. Base; 4. External heater; 5. Silicon nitride intermediate layer; 6. Internal heater; 7. External wire two; 8. Electrode sheet; 9. Filling layer; 10. Mounting bolt; 11. Sealing ring; 12. Ferrule; 13. Ceramic ring. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1 The utility model provides a technical solution: a silicon nitride instant heating element, comprising an external wire 1, an external wire 2 7, a heating element 2 and a base 3; the external wire 1, the external wire 2 7 and the heating element 2 are arranged at both ends of the base 3, and the external wire 1 and the external wire 2 7 are arranged at one end of the heating element 2; the heating element 2 comprises an external heating element 4, a silicon nitride intermediate layer 5 and an internal heating element 6, the internal heating element 6 is arranged in the middle of the external heating element 4, and the silicon nitride intermediate layer 5 is arranged between the internal heating element 6 and the external heating element 4; a filling layer 9 is arranged in the base 3; an electrode sheet 8 is connected between the external wire 1 and the external heating element 4 and between the external wire 2 7 and the internal heating element 6.
[0017] The external heating element 4 is connected to an external wire 1, and the internal heating element 6 is connected to an external wire 2 7. The external wire 1 and the external wire 2 7 are led out in a direction away from the heating element 2, and the external wire 1 and the external wire 2 7 are arranged in parallel.
[0018] The ends of the external wires 1 and 2 7 away from the heating element 2 are provided with flat connectors, which can be connected to an external power source. The external wires 1 and 2 7 can be used to individually control the external heating element 4 and the internal heating element 6 to achieve independent temperature control effects in dual temperature zones. When the two heating elements work at the same time, heating can be achieved faster.
[0019] The external heating element 4 and the internal heating element 6 are both adjacent to the external environment, and the internal heating element 6 and the external heating element 4 are staggered, which is conducive to providing multi-stage heating and can better heat the external contact structure.
[0020] The external heating element 4 and the internal heating element 6 are both electric heating wires covered with silicon nitride structures or electric heating films covered with silicon nitride structures. The numbers of electric heating wires or electric wire films distributed inside the external heating element 4 and the internal heating element 6 are different, so that the heat generation between the external heating element 4 and the internal heating element 6 is different, which is conducive to achieving different heat outputs and enabling better temperature control.
[0021] The silicon nitride intermediate layer 5 is arranged between the outer heating element 4 and the inner heating element 6 , and the silicon nitride intermediate layer 5 can be shared, thereby saving materials and reducing the volume.
[0022] An electrode sheet 8 is connected between the external wire 1 and the external heating element 4 and between the external wire 2 7 and the internal heating element 6. The arrangement of the electrode sheet 8 accelerates the heating, generates a large amount of heat, and then heats the air in the base 3, achieving a rapid heating effect.
[0023] The heating element 2 includes a mounting bolt 10, a sealing ring 11, a ferrule 12 and a ceramic ring 13; the sealing ring 11 is fixed to one end of the ferrule 12, the ceramic ring 13 is fixed to the other end of the ferrule 12, and the mounting bolt 10 is arranged outside the ceramic ring 13. The ferrule 12 is recessed inwardly to facilitate installation and reliability of installation.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A silicon nitride instant heating element, characterized in that: The invention comprises an externally connected wire 1 (1), an externally connected wire 2 (7), a heating element (2) and a base (3); the externally connected wire 1 (1), the externally connected wire 2 (7) and the heating element (2) are arranged at both ends of the base (3); the externally connected wire 1 (1) and the externally connected wire 2 (7) are arranged at one end of the heating element (2); the heating element (2) comprises an external heating element (4), a silicon nitride intermediate layer (5) and an internal heating element (6); the internal heating element (6) is arranged in the middle of the external heating element (4), and the silicon nitride intermediate layer (5) is arranged between the internal heating element (6) and the external heating element (4); a filling layer (9) is arranged inside the base (3); and an electrode sheet (8) is connected between the externally connected wire 1 (1) and the external heating element (4) and between the externally connected wire 2 (7) and the internal heating element (6).
2. The silicon nitride instant heating element according to claim 1, characterized in that: The external heating element (4) is connected to an external wire 1 (1), and the internal heating element (6) is connected to an external wire 2 (7). The external wire 1 (1) and the external wire 2 (7) are led out in a direction away from the heating element (2), and the external wire 1 (1) and the external wire 2 (7) are arranged in parallel.
3. The silicon nitride instant heating element according to claim 1, characterized in that: The external heating element (4) and the internal heating element (6) are both adjacent to the external environment, and the internal heating element (6) and the external heating element (4) are arranged in staggered layers.
4. The silicon nitride instant heating element according to claim 1, characterized in that: The external heating element (4) and the internal heating element (6) are both electric heating wires coated with silicon nitride structures or electric heating films coated with silicon nitride structures, and the numbers of electric heating wires or electric heating wire films distributed inside the external heating element (4) and the internal heating element (6) are different.
5. The silicon nitride instant heating element according to claim 1, characterized in that: The heating element (2) comprises a mounting bolt (10), a sealing ring (11), a ferrule (12) and a ceramic ring (13); the sealing ring (11) is fixed to one end of the ferrule (12), the ceramic ring (13) is fixed to the other end of the ferrule (12), and the mounting bolt (10) is arranged outside the ceramic ring (13).