High-temperature-sensitive bimetallic strip

Abstract

The utility model discloses a high thermosensitive bimetallic strip, which comprises a strip body and a pin, a heat conducting strip is attached outside the strip body, a bump is fixed on the heat conducting strip, heat dissipation holes are formed in the bump, and the heat conducting strip is fixed with the strip body through a connecting piece. According to the metal sheet, heat generated by the sheet body can reach the protruding blocks through the heat conducting sheet, heat dissipation is accelerated through the heat dissipation holes, the contact area of the heat conducting sheet and the environment can be increased through the protruding blocks and the heat dissipation holes, heat dissipation of the sheet body is accelerated, and therefore the metal sheet has a better heat dissipation effect.

Description

Technical Field

[0001] The utility model relates to the technical field of heat-sensitive metals, in particular to a highly heat-sensitive bimetallic strip. Background Art

[0002] The resistance value of a thermistor changes with the temperature during use. A high-power thermistor will generate a large amount of heat energy. If the heat dissipation cannot be performed in time, the use of the thermistor will be affected. Existing thermistors mostly dissipate heat through a single set of heat sinks or heat dissipation holes, and the heat dissipation effect of the thermistor is not ideal.

[0003] Therefore, it is necessary to improve the traditional thermally sensitive metal sheet so that it has a double-sided heat dissipation effect. Utility Model Content

[0004] The purpose of the utility model is to propose a high heat-sensitive bimetallic strip in order to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A highly heat-sensitive bimetallic strip comprises a strip body and pins. A heat-conducting strip is attached to the outside of the strip body, a convex block is fixed on the heat-conducting strip, and a heat-dissipating hole is formed on the convex block. The heat-conducting strip is fixed to the strip body through a connecting piece.

[0007] Preferably, the connecting part includes a connecting plate outside the heat conducting plate, the connecting plate is provided with an opening which is sleeved on the protrusion, the connecting plate is also provided with a circular groove, an arc block is provided outside the plate body, a screw is connected to the bending part of the arc block through a thread, and the end of the screw extends into the circular groove.

[0008] Preferably, a fixing block is fixed on the heat conducting sheet, and an annular disk is fixed to the end of the fixing block. A spring is sleeved on the fixing block, and the fixing block is slidably connected to a sleeve hole opened on the connecting disk.

[0009] Preferably, the elastic force of the spring pulls the heat conducting sheet away from the connecting plate.

[0010] Preferably, a groove is provided on the fixing block.

[0011] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. The heat generated by the sheet in this application will reach the bump through the heat conducting sheet and accelerate the heat dissipation through the heat dissipation holes. The bump and the heat dissipation holes can increase the contact area between the heat conducting sheet and the environment, thereby accelerating the heat dissipation of the sheet. Therefore, the metal sheet has a better heat dissipation effect.

[0013] 2. In the present application, when the sheet body is deformed and bent due to heat, it will push the connecting plate to move accordingly, and the connecting plate will compress the spring during the movement. Therefore, the connecting plate will not affect the normal use of the sheet body. Since there are two circular grooves on the connecting plate, the connecting plate can connect the sheet body and the heat conducting plate into one with the cooperation of the arc block and the screw. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the overall structure of a metal sheet and a heat dissipation structure provided according to an embodiment of the utility model is shown;

[0015] Figure 2 A schematic diagram of a metal sheet structure according to an embodiment of the present utility model is shown;

[0016] Figure 3 A partial structural schematic diagram of a heat conducting sheet and a connecting plate provided according to an embodiment of the utility model is shown.

[0017] Legend:

[0018] 1. Sheet; 2. Pin; 3. Heat-conducting sheet; 4. Bump; 5. Heat-dissipating hole; 6. Fixing block; 7. Ring disk; 8. Groove; 9. Spring; 10. Connecting disk; 11. Sleeve hole; 12. Opening; 13. Circular groove; 14. Arc block; 15. Screw. DETAILED DESCRIPTION

[0019] 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 of 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.

[0020] Embodiment 1:

[0021] The utility model provides a technical solution, please refer to Figure 1-3 :

[0022] A highly heat-sensitive bimetallic strip comprises a sheet body 1 and a pin 2. A heat-conducting sheet 3 is attached to the outside of the sheet body 1. A bump 4 is fixed on the heat-conducting sheet 3. A heat-dissipating hole 5 is formed on the bump 4. The heat-conducting sheet 3 is fixed to the sheet body 1 through a connector. The heat generated by the sheet body 1 will reach the bump 4 through the heat-conducting sheet 3 and accelerate the heat dissipation through the heat-dissipating hole 5. The bump 4 and the heat-dissipating hole 5 can increase the contact area between the heat-conducting sheet 3 and the environment, thereby accelerating the heat dissipation of the sheet body 1.

[0023] Embodiment 2:

[0024] The technical solution is basically the same as that of the first embodiment, except that Figure 3 As shown, the connecting member includes a connecting plate 10 outside the heat conducting plate 3, and an opening 12 is provided on the connecting plate 10 to be sleeved on the protrusion 4, and a circular groove 13 is also provided on the connecting plate 10. An arc block 14 is provided outside the sheet body 1, and a screw 15 is connected to the bending part of the arc block 14 by threading, and the end of the screw 15 extends into the circular groove 13. A fixing block 6 is fixed on the heat conducting plate 3, and an annular plate 7 is fixed to the end of the fixing block 6. A spring 9 is sleeved on the fixing block 6, and the fixing block 6 is slidably connected with the sleeve hole 11 provided on the connecting plate 10. The elastic force of the spring 9 pulls the heat conducting plate 3 away from the connecting plate 10. A groove 8 is provided on the fixing block 6, and the groove 8 cooperates with the heat dissipation hole 5 to increase the heat dissipation effect of the sheet body 1. When the sheet body 1 is deformed and bent by heat, it will push the connecting plate 10 to move, thereby compressing the spring 9. Therefore, the connecting plate 10 will not affect the normal use of the sheet body 1.

[0025] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A highly heat-sensitive bimetallic strip, comprising a strip body (1) and a pin (2), characterized in that: A heat conducting sheet (3) is attached to the outside of the sheet body (1), a convex block (4) is fixed on the heat conducting sheet (3), and a heat dissipation hole (5) begins on the convex block (4), and the heat conducting sheet (3) is fixed to the sheet body (1) via a connecting piece.

2. A highly heat-sensitive bimetallic strip according to claim 1, characterized in that: The connecting member comprises a connecting plate (10) outside the heat conducting plate (3), the connecting plate (10) being provided with an opening (12) which is sleeved on the protrusion (4), the connecting plate (10) being further provided with a circular groove (13), an arc block (14) being provided outside the sheet body (1), a screw rod (15) being connected to the bending part of the arc block (14) via a thread, and the end of the screw rod (15) extending into the circular groove (13).

3. A highly heat-sensitive bimetallic strip according to claim 2, characterized in that: A fixing block (6) is fixed on the heat conducting plate (3), and an annular disk (7) is fixed to the end of the fixing block (6). A spring (9) is sleeved on the fixing block (6), and the fixing block (6) is slidably connected to a sleeve hole (11) provided on the connecting disk (10).

4. A highly heat-sensitive bimetallic strip according to claim 3, characterized in that: The elastic force of the spring (9) pulls the heat conducting plate (3) and the connecting plate (10) away from each other.

5. A highly heat-sensitive bimetallic strip according to claim 3, characterized in that: The fixing block (6) is provided with a groove (8).

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