Spiral graphite heater
By designing a helical structure and limit reinforcement sleeve on the graphite heater, the problem of deformation of the graphite heater at high temperature is solved, the stability and heating uniformity are improved, and the overall stability and power distribution are enhanced.
Patent Information
- Application Number
- CN202422346567.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-26
AI Technical Summary
Existing graphite heaters are prone to expanding and deforming at high temperatures, resulting in poor use stability and may even cause the risk of heater ignition.
A spiral graphite heater is designed, and by providing strip vertical grooves and spiral grooves on the graphite heater body to divide them into the first and second spiral sections, and a reinforcement sleeve is provided at the top of the spiral section, limit reinforcement is carried out using the insulated limit beam body and the clamping plate structure to form an integrated connection.
It improves the use stability and heating uniformity of graphite heaters, reduces the risk of deformation, and enhances the overall stability and adaptability of power distribution.
Smart Images
Figure CN223118593U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of graphite heaters, and particularly relates to a spiral graphite heater. Background Art
[0002] A graphite heater is a heater device of a single crystal furnace. The graphite heater adopts an isostatic pressing graphite heating element, which has the advantages of high temperature resistance, easy processing, and lower price than tungsten, molybdenum, and tantalum. It is a heater that generates heat through its own resistance at high temperatures. Generally, a plurality of vertical grooves are formed on a conventional graphite heater, and the vertical grooves divide the graphite heater into a plurality of S-shaped structures connected end to end. However, due to the product's own gravity, processing, material uniformity, and other reasons, it is difficult to control the roundness of the traditional graphite heater. At the same time, the heater will expand at high temperatures, resulting in more obvious deformation of the heater than at normal temperatures. In severe cases, there is a risk of the heater catching fire, and the use stability is not good. Therefore, this application improves the existing graphite heater and proposes a spiral graphite heater. Content of the Utility Model
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a spiral graphite heater, which effectively solves the problem of poor use stability of the existing graphite heater.
[0004] To achieve the above object, the utility model provides the following technical solution: A spiral graphite heater includes a graphite heater body. Reinforcing sleeve one and reinforcing sleeve two are symmetrically arranged at the top of the graphite heater body. A strip-shaped vertical groove one is opened at the top of the graphite heater body close to one side of the reinforcing sleeve one, and a spiral groove one is opened at the bottom of the strip-shaped vertical groove one. A strip-shaped vertical groove two is opened at the side of the graphite heater body close to the reinforcing sleeve two, and a spiral groove two is opened at the bottom of the strip-shaped vertical groove two. The graphite heater body is divided into a first spiral section and a second spiral section by the strip-shaped vertical groove one, the spiral groove one, the strip-shaped vertical groove two, and the spiral groove two, and the bottoms of the first spiral section and the second spiral section are of an integral connection structure.
[0005] Preferably, the spiral directions of the spiral groove one and the spiral groove two are the same, and the distances between the spiral groove one and the spiral groove two are the same.
[0006] Preferably, an anode pin is fixedly arranged at the top of the first spiral section, and a plurality of anode connection holes are opened on the anode pin.
[0007] Preferably, a cathode pin is fixedly arranged at the top of the second spiral section, and a plurality of cathode connection holes are opened on the cathode pin.
[0008] Preferably, a plurality of inner card slots matching the first reinforcing sleeve and the second reinforcing sleeve are provided at the top ends of the inner surfaces of the first spiral section and the second spiral section, and a plurality of outer card slots matching the first reinforcing sleeve and the second reinforcing sleeve are provided at the top ends of the outer surfaces of the first spiral section and the second spiral section. Limiting through holes are provided between the inner card slots and the outer card slots.
[0009] Preferably, both the first reinforcing sleeve and the second reinforcing sleeve are composed of an insulating limiting beam body, two insulating inner clamping plates and two insulating outer clamping plates. The two insulating inner clamping plates are respectively fixedly connected to both ends of one side of the bottom of the insulating limiting beam body and are clamped and connected with the inner card slots. The two insulating outer clamping plates are respectively fixedly connected to both ends of the other side of the bottom of the insulating limiting beam body and are clamped and connected with the outer card slots. The insulating inner clamping plates and the insulating outer clamping plates are connected by a bolt group, and the bolt group penetrates through the limiting through holes.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0011] (1) During operation, by arranging that the graphite heater body is divided into a first spiral section and a second spiral section by the first strip-shaped vertical groove, the first spiral groove, the second strip-shaped vertical groove and the second spiral groove, the possibility of deformation during use can be reduced, the stability of use can be improved, the heating uniformity can be improved, and the power distribution can be adjusted by adjusting the spiral pitch to improve the adaptability;
[0012] (2) By arranging the inner card slots, the outer card slots, the limiting through holes, and the first reinforcing sleeve and the second reinforcing sleeve composed of an insulating limiting beam body, two insulating inner clamping plates and two insulating outer clamping plates, the top ends of the first spiral section and the second spiral section can be limited and reinforced, further improving the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.
[0014] In the drawings:
[0015] Figure 1 is one of the structural schematic diagrams of the spiral graphite heater of the present utility model;
[0016] Figure 2 is the second structural schematic diagram of the spiral graphite heater of the present utility model;
[0017] Figure 3 is of the present utility model Figure 2 partial enlarged view;
[0018] Figure 4 is the structural schematic diagram of the first reinforcing sleeve of the present utility model;
[0019] In the figure: 1. Graphite heater body; 2. First reinforcing sleeve; 3. Second reinforcing sleeve; 4. First strip-shaped vertical groove; 5. First spiral groove; 6. Second strip-shaped vertical groove; 7. Second spiral groove; 8. First spiral section; 9. Second spiral section; 10. Anode pin; 11. Anode connection hole; 12. Cathode pin; 13. Cathode connection hole; 14. Inner card slot; 15. Outer card slot; 16. Limit through hole; 17. Insulating limit beam body; 18. Insulating inner card board; 19. Insulating outer card board; 20. Bolt group. Detailed implementation manner
[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection scope of the present invention.
[0021] Consisting of Figure 1 and Figure 2 given, a spiral graphite heater of the present invention includes a graphite heater body 1. A first reinforcing sleeve 2 and a second reinforcing sleeve 3 are symmetrically arranged at the top of the graphite heater body 1. A first strip-shaped vertical groove 4 is opened at the top of the graphite heater body 1 near the first reinforcing sleeve 2. A first spiral groove 5 is opened at the bottom of the first strip-shaped vertical groove 4. A second strip-shaped vertical groove 6 is opened on the side of the graphite heater body 1 near the second reinforcing sleeve 3. A second spiral groove 7 is opened at the bottom of the second strip-shaped vertical groove 6. The graphite heater body 1 is divided by the first strip-shaped vertical groove 4, the first spiral groove 5, the second strip-shaped vertical groove 6 and the second spiral groove 7 to form a first spiral section 8 and a second spiral section 9. The bottoms of the first spiral section 8 and the second spiral section 9 are of an integral connection structure. The spiral directions of the first spiral groove 5 and the second spiral groove 7 are the same, and the distances between the first spiral groove 5 and the second spiral groove 7 are the same;
[0022] By providing the first strip-shaped vertical groove 4, the first spiral groove 5, the second strip-shaped vertical groove 6 and the second spiral groove 7, the graphite heater body 1 can be formed into a first spiral section 8 and a second spiral section 9. The spiral design can reduce the possibility of its deformation. During actual production, the spiral pitch can be controlled, so that the power distribution can be changed and the adaptability can be improved;
[0023] Consisting of Figure 2 and Figure 3 given, an anode pin 10 is fixedly arranged at the top of the first spiral section 8. A number of anode connection holes 11 are opened on the anode pin 10. A cathode pin 12 is fixedly arranged at the top of the second spiral section 9. A number of cathode connection holes 13 are opened on the cathode pin 12;
[0024] The anode pin 10 can be connected to the positive pole of the power supply. The anode connection hole 11 can improve the connection stability. The cathode pin 12 can be connected to the negative pole of the power supply. The cathode connection hole 13 can improve the connection stability;
[0025] given by Figures 2 to 4 At the top of the inner surfaces of the first spiral section 8 and the second spiral section 9, a number of inner card slots 14 matching the first reinforcing sleeve 2 and the second reinforcing sleeve 3 are provided. At the top of the outer surfaces of the first spiral section 8 and the second spiral section 9, a number of outer card slots 15 matching the first reinforcing sleeve 2 and the second reinforcing sleeve 3 are provided. A limiting through hole 16 is provided between the inner card slot 14 and the outer card slot 15. The first reinforcing sleeve 2 and the second reinforcing sleeve 3 are both composed of an insulating limiting beam body 17, two insulating inner clamping plates 18 and two insulating outer clamping plates 19. The two insulating inner clamping plates 18 are respectively fixedly connected to both ends of one side of the bottom of the insulating limiting beam body 17 and are snap-fitted with the inner card slot 14. The two insulating outer clamping plates 19 are respectively fixedly connected to both ends of the other side of the bottom of the insulating limiting beam body 17 and are snap-fitted with the outer card slot 15. The insulating inner clamping plate 18 and the insulating outer clamping plate 19 are connected by a bolt group 20, and the bolt group 20 is inserted through the limiting through hole 16;
[0026] During installation, the first reinforcing sleeve 2 and the second reinforcing sleeve 3 are installed at the top of the first spiral section 8 and the second spiral section 9, so that the insulating inner clamping plate 18 is snap-fitted with the inner card slot 14, and the insulating outer clamping plate 19 is snap-fitted with the outer card slot 15. Then, it is locked and reinforced by the bolt group 20, thereby improving the stability and further preventing deformation.
[0027] During operation, by setting that the graphite heater body is divided into the first spiral section and the second spiral section by the first strip-shaped vertical groove, the first spiral groove, the second strip-shaped vertical groove and the second spiral groove, the possibility of deformation during use can be reduced, the stability of use can be improved, the heating uniformity can be improved, and the power distribution can be adjusted by adjusting the spiral pitch to improve the adaptability; by setting the inner card slot, the outer card slot, the limiting through hole, and the first reinforcing sleeve and the second reinforcing sleeve composed of the insulating limiting beam body, two insulating inner clamping plates and two insulating outer clamping plates, the tops of the first spiral section and the second spiral section can be limited and reinforced, further improving the overall stability.
Claims
1. A spiral graphite heater, comprising a graphite heater body (1), characterized in that: Reinforcing sleeve one (2) and reinforcing sleeve two (3) are symmetrically arranged at the top of the graphite heater body (1). A strip-shaped vertical groove one (4) is opened at the top of the graphite heater body (1) on the side close to the reinforcing sleeve one (2). A spiral groove one (5) is opened at the bottom of the strip-shaped vertical groove one (4). A strip-shaped vertical groove two (6) is opened on the side of the graphite heater body (1) close to the reinforcing sleeve two (3). A spiral groove two (7) is opened at the bottom of the strip-shaped vertical groove two (6). The graphite heater body (1) is divided into a first spiral section (8) and a second spiral section (9) by the strip-shaped vertical groove one (4), the spiral groove one (5), the strip-shaped vertical groove two (6) and the spiral groove two (7). The bottoms of the first spiral section (8) and the second spiral section (9) are of an integral connection structure.
2. The spiral graphite heater according to claim 1, characterized in that: The spiral directions of the spiral groove one (5) and the spiral groove two (7) are the same, and the spacing between the spiral groove one (5) and the spiral groove two (7) is the same.
3. A spiral graphite heater according to claim 1, characterized in that: An anode pin (10) is fixedly arranged at the top of the first spiral section (8), and a number of anode connection holes (11) are opened on the anode pin (10).
4. A spiral graphite heater according to claim 1, characterized in that: A cathode pin (12) is fixedly arranged at the top of the second spiral section (9), and a number of cathode connection holes (13) are opened on the cathode pin (12).
5. A spiral graphite heater according to claim 1, characterized in that: A number of inner clamping grooves (14) matching the reinforcing sleeve one (2) and the reinforcing sleeve two (3) are opened at the tops of the inner surfaces of the first spiral section (8) and the second spiral section (9). A number of outer clamping grooves (15) matching the reinforcing sleeve one (2) and the reinforcing sleeve two (3) are opened at the tops of the outer surfaces of the first spiral section (8) and the second spiral section (9). A limiting through hole (16) is opened between the inner clamping groove (14) and the outer clamping groove (15).
6. The spiral graphite heater according to claim 5, characterized in that: Both the reinforcing sleeve one (2) and the reinforcing sleeve two (3) are composed of an insulating limiting beam body (17), two insulating inner clamping plates (18) and two insulating outer clamping plates (19). The two insulating inner clamping plates (18) are respectively fixedly connected to both ends of one side of the bottom of the insulating limiting beam body (17) and are in clamping connection with the inner clamping groove (14). The two insulating outer clamping plates (19) are respectively fixedly connected to both ends of the other side of the bottom of the insulating limiting beam body (17) and are in clamping connection with the outer clamping groove (15). The insulating inner clamping plate (18) and the insulating outer clamping plate (19) are connected by a bolt group (20), and the bolt group (20) is inserted through the limiting through hole (16).