Heater for crystal growth

Abstract

The utility model discloses a heater for crystal growth, which comprises a base, a heating box is arranged on one side of the top end of the base, a box cover is arranged above the heating box, a heat insulation plate is arranged at the bottom end in the heating box, side seat bodies are arranged on the inner walls of the two sides of the heating box above the heat insulation plate, and rotary driving pieces are arranged on the inner walls of the lower ends of the side seat bodies through supports. The top end of the rotary driving piece penetrates through the heat insulation plate and is provided with a lead screw, limiting rails are arranged on the inner walls of the side base bodies on the two sides of the lead screw, and a linkage base is installed on the outer wall of the lower end of the lead screw in a threaded mode. According to the utility model, crystals can be heated in a closed manner, the phenomenon of heat energy loss is reduced, the heating effect of the heater on the crystals is ensured, the energy-saving property of the heater is improved, and the crystals can be easily fed, discharged and heated, so that the convenience of the heater in use is improved; and moreover, air in the heating box can be easily, efficiently and uniformly heated, so that the heating effect of the heater on the crystal is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crystal growth, in particular to a heater for crystal growth. Background Art

[0002] Crystal growth is one of the key steps in material preparation and is widely used in many fields such as semiconductors, optical materials, and superconducting materials. The quality of crystal growth is directly affected by many factors such as the growth environment temperature, temperature gradient, uniformity, and stability. Traditional crystal growth heaters still have many problems. Therefore, it is particularly important to develop a new type of heater for crystal growth.

[0003] Reference announcement number CN209974962U is a crystal growth heater, which includes a crystal growth furnace and a heating device; the heating device is a birdcage-shaped structure, and the crystal growth furnace is arranged inside the heating device; the heating device includes a first U-shaped heating rod, a second U-shaped heating rod, a third U-shaped heating rod, a first fixing ring, a second fixing ring, a third fixing ring and a fourth fixing ring; the second fixing ring is located between the first fixing ring and the third fixing ring; the U-shaped open ends of the first U-shaped heating rod, the second U-shaped heating rod and the third U-shaped heating rod form a complete U-shaped opening on the fourth fixing ring The bottom of the three-layer U-shaped heating rod has a square opening around the entire circumference. The crystal growth heater provides a temperature field with different temperature ranges in the crystal growth furnace through the three-layer U-shaped heating rod, so as to achieve different growth rates in different areas of the crystal, grow a crystal shape with a higher yield, and improve the yield of sapphire crystals. According to the above, although the heater can be well applied to meet the heating needs of crystal growth, it is usually not convenient to heat the crystal in a closed manner, which makes it easy for heat energy to be lost, thereby affecting the heating effect of the crystal. In addition, the energy loss affects the energy saving of the heater, which often troubles people. Utility Model Content

[0004] The purpose of the present utility model is to provide a heater for crystal growth, so as to solve the problem proposed in the above background technology that although the heater can be well applied to meet the heating needs of crystal growth, it is usually not convenient to perform closed heating of the crystal, which makes it easy for heat energy to be lost, thereby affecting the heating effect of the crystal, and the energy loss affects the energy saving of the heater.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a heater for crystal growth, comprising a base, a heating box is provided on one side of the top of the base, a box cover is provided above the heating box, a heat insulation board is provided at the bottom end of the interior of the heating box, the outer wall of the heat insulation board is connected to the inner wall of the heating box, side seats are provided on the inner walls of both sides of the heating box above the heat insulation board, the bottom end of the side seat extends to the bottom of the heat insulation board, a rotating drive member is installed on the inner wall of the lower end of the side seat body through a bracket, the top end of the rotating drive member passes through the heat insulation board and is provided There is a screw rod, and limit rails are provided on the inner walls of the side seats on both sides of the screw rod. A linkage seat is threadedly installed on the outer wall of the lower end of the screw rod, and the outer wall of the linkage seat is slidably connected to the outer wall of the limit rail. A lifting frame is provided on the inner wall between the linkage seats, and the top of the lifting frame is provided with a U-shaped frame. The bottom of the U-shaped frame is provided with a heating frame. A control cabinet is provided on the top of the base on one side of the heating box, and a control panel is installed on the outer wall of the control cabinet away from the heating box. The output end of the single-chip microcomputer inside the control panel is electrically connected to the input end of the rotating drive component.

[0006] Preferably, a push handle is provided at the top of the base of the control cabinet away from the heating box, and universal wheels are installed at the corners of the bottom end of the base. The universal wheels are provided to facilitate transportation of the heater as a whole.

[0007] Preferably, cabinet doors are rotatably mounted on the outer surfaces of both sides of the control cabinet, and the surfaces of the cabinet doors are provided with a plurality of strip holes, so that the control cabinet can be opened and closed through the arrangement of the cabinet doors.

[0008] Preferably, both sides of the outer surface of the lower end of the heating box are provided with a heat dissipation mesh port, one end of the heat dissipation mesh port extends to the interior of the heating box, and the heat dissipation mesh port is provided to ventilate and dissipate heat for the rotating drive component.

[0009] Preferably, a heating tube is provided at the top of the heat insulation board, and the input end of the heating tube is electrically connected to the output end of the single chip microcomputer inside the control panel. The heating tube is provided to heat the air inside the heating box.

[0010] Preferably, a temperature sensor is installed on the inner wall of the heating box above the heating tube, and the output end of the temperature sensor is electrically connected to the input end of the single chip microcomputer inside the control panel. The temperature sensor is set to monitor the temperature inside the heating box.

[0011] Preferably, lifting rods are provided on both sides of the top of the U-shaped frame, and the tops of the lifting rods are connected to the bottom end of the box cover. The U-shaped frame and the box cover can be connected by the setting of the lifting rods.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the crystal growth heater can not only heat the crystal in a closed manner, but also reduce the loss of heat energy, thereby ensuring the heating effect of the heater on the crystal and improving the energy saving of the heater; it is also easy to load and unload the crystal and heat it, thereby improving the convenience of using the heater; and it is easy to efficiently and evenly heat the air inside the heating box, thereby further improving the heating effect of the heater on the crystal;

[0013] (1) By arranging a box cover above the heating box, when the crystal is placed in the heating frame and the heating frame is moved down to the inside of the heating box, the box cover only needs to be placed on the top of the heating box, and the heating box and the box cover can be used to heat the crystal inside the heating frame in a closed manner, thereby effectively reducing the loss of heat energy, thereby ensuring the heating effect of the crystal when the heater is in use and improving the energy saving of the heater;

[0014] (2) The screw is driven to rotate by a rotary drive member, so that the linkage seat is located on the outer wall of the screw and the limit rail to slide, so that the linkage seat drives the U-shaped frame to be lifted and lowered through the lifting frame, and the U-shaped frame drives the box cover to be lifted and lowered through the lifting rod, so that the heating frame can be automatically and quickly moved to the outside of the heating box, or the heating frame can be moved down to the inside of the heating box, so that the crystal can be easily loaded and unloaded and heated, thereby improving the convenience of using the heater;

[0015] (3) By setting the heating tube in a rectangular ring structure, the contact area between the heating tube and the air inside the heating box is increased, so that the air inside the heating box can be heated efficiently and evenly. The temperature inside the heating box is then monitored by a temperature sensor to adjust the heating power of the heating tube as needed, thereby further ensuring the heating effect of the heater on the crystal. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 3 This is a side view structural diagram of the side seat body of the utility model;

[0019] Figure 4 This is a schematic diagram of the top view of the heating tube of the present invention.

[0020] In the figure: 1. Base; 2. Universal wheel; 3. Push handle; 4. Control cabinet; 5. Cabinet door; 501. Strip hole; 6. Control panel; 7. Heating box; 8. Box cover; 9. Heat dissipation mesh port; 10. Heat insulation board; 11. Heating tube; 12. Temperature sensor; 13. Side seat; 14. Linkage seat; 15. Lifting frame; 16. U-shaped frame; 17. Lifting rod; 18. Heating frame; 19. Rotating drive component; 20. Screw rod; 21. Limit rail. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The present invention provides an embodiment of a crystal growth heater, comprising a base 1, a heating box 7 provided on one side of the top of the base 1, a heat dissipation mesh port 9 provided on both sides of the outer surface of the lower end of the heating box 7, and one end of the heat dissipation mesh port 9 extending into the interior of the heating box 7;

[0023] When in use, the heat dissipation mesh port 9 is provided to ventilate and dissipate heat for the rotating drive member 19;

[0024] A box cover 8 is provided above the heating box 7, and a heat insulation board 10 is provided at the bottom end of the interior of the heating box 7. The outer wall of the heat insulation board 10 is connected to the inner wall of the heating box 7. A heating tube 11 is provided at the top of the heat insulation board 10. The input end of the heating tube 11 is electrically connected to the output end of the single chip microcomputer inside the control panel 6;

[0025] When in use, the heating tube 11 is provided to heat the air inside the heating box 7;

[0026] A temperature sensor 12 is installed on the inner wall of the heating box 7 above the heating tube 11. The output end of the temperature sensor 12 is electrically connected to the input end of the single chip microcomputer inside the control panel 6.

[0027] When in use, the temperature sensor 12 is provided to monitor the temperature inside the heating box 7;

[0028] Side seats 13 are provided on the inner walls of both sides of the heating box 7 above the heat insulation board 10. The bottom ends of the side seats 13 extend to the bottom of the heat insulation board 10. A rotating drive member 19 is installed on the inner wall of the lower end of the side seat body 13 through a bracket. The top of the rotating drive member 19 passes through the heat insulation board 10 and is provided with a screw rod 20. Limit rails 21 are provided on the inner walls of the side seat bodies 13 on both sides of the screw rod 20. A linkage seat 14 is threadedly installed on the outer wall of the lower end of the screw rod 20. The outer wall of the linkage seat 14 is slidably connected to the outer wall of the limit rail 21. A lifting frame 15 is provided on the inner wall between the linkage seats 14. The top of the lifting frame 15 is provided with a square frame body 16. Lifting rods 17 are provided on both sides of the top of the square frame body 16. The top of the lifting rod 17 is connected to the bottom end of the box cover 8;

[0029] When in use, the lifting rod 17 is set to connect the U-shaped frame 16 and the box cover 8;

[0030] A heating frame 18 is provided at the bottom of the U-shaped frame 16, a control cabinet 4 is provided at the top of the base 1 on one side of the heating box 7, a push handle 3 is provided at the top of the base 1 on the side of the control cabinet 4 away from the heating box 7, and universal wheels 2 are installed at the corner positions of the bottom end of the base 1;

[0031] When in use, the heater can be transported and transferred as a whole by means of the universal wheel 2;

[0032] The outer surfaces of both sides of the control cabinet 4 are rotatably mounted with cabinet doors 5, and the surfaces of the cabinet doors 5 are provided with a plurality of strip-shaped holes 501;

[0033] When in use, the control cabinet 4 is opened and closed by setting the cabinet door 5;

[0034] A control panel 6 is mounted on the outer wall of the control cabinet 4 away from the heating box 7 . The output end of the single chip microcomputer inside the control panel 6 is electrically connected to the input end of the rotary drive member 19 .

[0035] When the embodiment of the present application is in use, the screw rod 20 is first driven to rotate by the rotary drive member 19, so that the linkage seat 14 is located at the outer wall of the screw rod 20 and the limit rail 21 to slide, so that the linkage seat 14 drives the U-shaped frame 16 to be lifted and lowered via the lifting frame 15, and the U-shaped frame 16 drives the box cover 8 to be lifted and lowered via the lifting rod 17, so that the heating frame 18 can be automatically and quickly moved to the outside of the heating box 7, or the heating frame 18 can be moved down to the inside of the heating box 7, so as to facilitate the loading and unloading or heating operations of the crystals. After that, by moving the heating frame 18 down to the inside of the heating box 7, it is only necessary to close the box cover 8 and place it on the top of the heating box 7, so that the heating box 7 and the box cover 8 can perform closed heating on the crystals inside the heating frame 18, so as to reduce the The phenomenon of low heat energy loss is prevented to ensure the heating effect of the heater on the crystal. Finally, the heating tube 11 is set to a rectangular ring structure to increase the contact area between the heating tube 11 and the air inside the heating box 7, so as to heat the air inside the heating box 7 efficiently and evenly. The temperature sensor 12 monitors the temperature inside the heating box 7 to adjust the heating power of the heating tube 11 as needed. In addition, the setting of the heat insulation plate 10 can isolate the heat energy and reduce the heat energy flowing into the lower end of the inside of the heating box 7 to cause erosion on the rotating drive member 19. Due to the setting of the heat dissipation mesh port 9, it is easy to ventilate and dissipate heat for the rotating drive member 19, and the setting of the universal wheel 2 and the push handle 3 makes it easy to transport and transfer the heater as a whole, thereby completing the use of the heater.

Claims

1. A heater for crystal growth, characterized in that: The invention comprises a base (1), a heating box (7) is provided on one side of the top of the base (1), a box cover (8) is provided above the heating box (7), a heat insulation board (10) is provided at the bottom of the interior of the heating box (7), the outer wall of the heat insulation board (10) is connected to the inner wall of the heating box (7), side seats (13) are provided on the inner walls of both sides of the heating box (7) above the heat insulation board (10), the bottom end of the side seat (13) extends to the bottom of the heat insulation board (10), a rotating driving member (19) is installed on the inner wall of the lower end of the side seat (13) through a bracket, the top end of the rotating driving member (19) passes through the heat insulation board (10) and is provided with a screw rod (20), the side seats (13) on both sides of the screw rod (20) are provided with a rotating driving member (19), the rotating driving member (19) passes through the heat insulation board (10) and is provided with a screw rod (20), and the side seats (13) on both sides of the screw rod (20) are provided with a rotating driving member (19) ) are provided with a limit rail (21) on the inner wall, a linkage seat (14) is threadedly installed on the outer wall of the lower end of the screw rod (20), the outer wall of the linkage seat (14) is slidably connected to the outer wall of the limit rail (21), a lifting frame (15) is provided on the inner wall between the linkage seats (14), the top of the lifting frame (15) is provided with a square frame (16), the bottom of the square frame (16) is provided with a heating frame (18), a control cabinet (4) is provided on the top of the base (1) on one side of the heating box (7), a control panel (6) is installed on the outer wall of the control cabinet (4) away from the heating box (7), and the output end of the single chip microcomputer inside the control panel (6) is electrically connected to the input end of the rotating drive member (19).

2. A crystal growth heater according to claim 1, characterized in that: A push handle (3) is provided at the top of the base (1) on the side of the control cabinet (4) away from the heating box (7), and universal wheels (2) are installed at the corner positions of the bottom end of the base (1).

3. The crystal growth heater according to claim 1, wherein: Cabinet doors (5) are rotatably mounted on the outer surfaces of both sides of the control cabinet (4), and the surfaces of the cabinet doors (5) are provided with a plurality of strip-shaped holes (501).

4. The crystal growth heater according to claim 1, wherein: Both outer surfaces of the lower end of the heating box (7) are provided with heat dissipation mesh ports (9), and one end of the heat dissipation mesh port (9) extends into the interior of the heating box (7).

5. The crystal growth heater according to claim 1, wherein: A heating tube (11) is provided at the top end of the heat insulation board (10), and an input end of the heating tube (11) is electrically connected to an output end of a single chip microcomputer inside the control panel (6).

6. A heater for crystal growth according to claim 5, characterized in that: A temperature sensor (12) is installed on the inner wall of the heating box (7) above the heating tube (11), and the output end of the temperature sensor (12) is electrically connected to the input end of the single chip microcomputer inside the control panel (6).

7. The crystal growth heater according to claim 1, wherein: Both sides of the top of the U-shaped frame (16) are provided with lifting rods (17), and the top ends of the lifting rods (17) are connected to the bottom ends of the box cover (8).

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