CN216928556U - Flat plate type thyristor device with sunflower heat radiation structure - Google Patents
Flat plate type thyristor device with sunflower heat radiation structure Download PDFInfo
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- CN216928556U CN216928556U CN202123256664.9U CN202123256664U CN216928556U CN 216928556 U CN216928556 U CN 216928556U CN 202123256664 U CN202123256664 U CN 202123256664U CN 216928556 U CN216928556 U CN 216928556U
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Abstract
The utility model discloses a flat-plate type thyristor device with a sunflower heat dissipation structure, and belongs to the technical field of thyristor heat dissipation. The solar heat radiator comprises more than one flat-plate type thyristor, wherein the front surface and the back surface of the flat-plate type thyristor are respectively provided with a sunflower radiator. Compared with the prior art, firstly, the device can connect a plurality of flat plate type thyristors in series, sunflower radiators are arranged above and below each flat plate type thyristor, and the heat conducting surfaces of the sunflower radiators can be matched and attached with the sizes of the front surface and the back surface of each flat plate type thyristor, so that the heat conduction of the flat plate type thyristors is facilitated, and the device has excellent heat dissipation efficiency; secondly, the device can effectively reduce the number and the volume of the radiators, and save the installation space and the cost of the electric control cabinet; thirdly, the thickness and the inner diameter of the sunflower radiator can be adjusted, so that flat thyristors in different sizes and capacities can be conveniently matched; finally, the device has simple structure, is convenient to reform and has two heat dissipation modes of air cooling and natural cooling.
Description
Technical Field
The utility model belongs to the technical field of thyristor heat dissipation, and particularly relates to a flat plate type thyristor device with a sunflower heat dissipation structure.
Background
The flat thyristor is a semiconductor device with a planar structure on both the front and back surfaces, and generates heat in the use process, so that a radiator is required for heat dissipation. In a traditional flat plate type thyristor semiconductor device, the heat dissipation mode mainly comprises traditional flat heat dissipation, heat pipe effect heat dissipation and water-cooled heat dissipation, the traditional flat heat dissipation cannot connect flat plate type thyristors in series and is inconvenient to apply to medium and high voltage products, and meanwhile, the traditional flat heat dissipation and heat pipe effect heat dissipation have low heat dissipation efficiency, and the problems of large volume and complex structure of a heat radiator exist, so that the material cost is high and the heat conductivity coefficient is lower; the water-cooled heat dissipation needs water when using, and the structure is complicated, and is with high costs, and has the unsafe problem that leads to the electric leakage, inconvenient use.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a primary object of the present invention is to provide a flat plate type thyristor device with a sunflower heat dissipation structure, which is convenient for heat conduction of the flat plate type thyristor and has excellent heat dissipation efficiency;
another object of the present invention is to provide a flat thyristor device with a sunflower heat dissipation structure, which can effectively reduce the number and volume of heat sinks, and save the installation space and cost of an electric control cabinet.
The final purpose of the utility model is to provide a flat thyristor device with a sunflower heat dissipation structure, which has simple structure, low cost and convenient use and popularization.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a flat-plate type thyristor device with a sunflower heat dissipation structure, which comprises more than one flat-plate type thyristor, wherein the front surface and the back surface of the flat-plate type thyristor are both provided with a sunflower heat radiator.
Furthermore, the sunflower radiator comprises a heat conduction part, a circle of sunflower fin-shaped radiating fins are arranged on the periphery of the heat conduction part, and the front surface and the back surface of the heat conduction part are both provided with heat conduction surfaces with planar structures. And the front surface and the back surface of the flat plate type thyristor are both matched and attached with the heat conducting surface. The shape and size of the sunflower fins can be changed according to natural cooling or forced air cooling, and meanwhile, the flat-plate thyristors of different sizes and capacities can be conveniently matched to meet different heat dissipation requirements.
Furthermore, more than one flat-plate type thyristor is connected in series, a sunflower radiator is arranged between every two adjacent flat-plate type thyristors, the heat conduction surface on the front side of the sunflower radiator is attached to the back side of the flat-plate type thyristor above, and the heat conduction surface on the back side of the sunflower radiator is attached to the front side of the flat-plate type thyristor below.
Furthermore, the device also comprises a fixing mechanism, wherein the fixing mechanism comprises an upper fixing piece and a lower fixing piece, an installation space is arranged between the upper fixing piece and the lower fixing piece, and the flat plate type thyristor and the sunflower radiator are arranged in the installation space.
Furthermore, the upper fixing piece is fixedly connected with the sunflower radiator at the uppermost end, and the lower fixing piece is fixedly connected with the sunflower radiator at the lowermost end.
Furthermore, a connecting rod is arranged between the upper fixing piece and the lower fixing piece, and the upper fixing piece and the lower fixing piece are fixedly connected through the connecting rod.
Further, a pressure pad is further arranged between the upper fixing piece and the uppermost sunflower radiator, and balls are arranged between the pressure pad and the upper fixing piece. The pressure pad is made of high-hardness materials, so that the stress area of the sunflower radiator is increased, and the damage of the thyristor caused by concentrated stress deformation of the sunflower radiator is avoided. The ball can evenly distribute the pressure transmitted by the upper fixing piece on the thyristor, so that the stress on one side and the other side of the sunflower radiator and the thyristor is not equal.
Furthermore, an insulating column is further arranged on the lower fixing piece. Because this device is electrified after inserting the power, can make things convenient for the work of this device safety through setting up the insulated column.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the flat plate type thyristor device can connect a plurality of flat plate type thyristors in series, the upper part and the lower part of each flat plate type thyristor are respectively provided with a sunflower radiator, and the heat conducting surface of each sunflower radiator can be matched and attached with the sizes of the front surface and the back surface of each flat plate type thyristor, so that the flat plate type thyristor device is convenient for heat conduction, and has excellent heat radiating efficiency;
secondly, the device can be used by connecting low-voltage and medium-high voltage thyristors in series, the number and the volume of radiators can be effectively reduced, and the installation space and the cost of an electric control cabinet are saved;
thirdly, the thickness and the inner diameter of the sunflower radiator of the device can be adjusted according to different heat dissipation requirements, so that the flat plate thyristors with different sizes and capacities can be matched conveniently, and the device can be adapted to different heat dissipation requirements conveniently;
finally, the device is simple in structure and convenient to transform, the heat dissipation function of the sunflower radiator can be utilized to dissipate heat according to the overall heat dissipation requirement, a heat dissipation fan can be additionally arranged above the device to form an air cooling system, and the device has two heat dissipation modes of air cooling and natural cooling.
Drawings
FIG. 1 is a schematic structural view of example 1.
Fig. 2 is a schematic structural view of the sunflower heat sink in embodiment 1.
FIG. 3 is a schematic structural view of embodiment 2.
Fig. 4 is a schematic structural view of the sunflower heat sink in embodiment 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The utility model is realized as follows:
example 1
Referring to fig. 1-2, the present embodiment provides a flat plate type thyristor device with a sunflower heat dissipation structure, which includes more than one flat plate type thyristor 11, and sunflower heat sinks 12 are disposed on both sides of the flat plate type thyristor 11.
The sunflower radiator 12 comprises a heat conducting part 121, a circle of sunflower fin-shaped radiating fins 123 are arranged on the periphery of the heat conducting part 121, and heat conducting surfaces 122 with planar structures are arranged on the front surface and the back surface of the heat conducting part 121. The front and back surfaces of the flat-plate thyristor 11 are both fitted with the heat-conducting surface 122. The shape and size of the sunflower fins can be changed according to natural cooling or forced air cooling, and meanwhile, the flat-plate thyristors 11 with different sizes and capacities can be conveniently matched to meet different heat dissipation requirements. In this embodiment, more than one flat plate type thyristors 11 are connected in series, one sunflower radiator 12 is arranged between two adjacent flat plate type thyristors 11, the heat conduction surface 122 on the front surface of the sunflower radiator 12 is attached to the back surface of the upper flat plate type thyristor 11, and the heat conduction surface 122 on the back surface of the sunflower radiator 12 is attached to the front surface of the lower flat plate type thyristor 11.
The device also comprises a fixing mechanism, wherein the fixing mechanism comprises an upper fixing piece 13 and a lower fixing piece 14, an installation space is arranged between the upper fixing piece 13 and the lower fixing piece 14, and the flat plate type thyristor 11 and the sunflower radiator 12 are arranged in the installation space.
The upper fixing piece 13 is fixedly connected with the sunflower radiator 12 at the uppermost end, and the lower fixing piece is fixedly connected with the sunflower radiator 12 at the lowermost end.
A compression screw 15 is arranged between the upper fixing piece 13 and the lower fixing piece 14, and the upper fixing piece 13 and the lower fixing piece 14 are fixedly connected through the compression screw 15.
A pressure pad 16 is further arranged between the upper fixing piece 13 and the uppermost sunflower radiator 12, and a ball 17 is arranged between the pressure pad 16 and the upper fixing piece 13. The pressure pad 16 is made of a high-hardness material, so that the stress area of the sunflower radiator 12 is increased, and the concentrated stress deformation of the sunflower radiator is avoided, thereby causing damage to the thyristor. The balls 17 can evenly distribute the pressure transmitted by the upper fixing member 13 on the thyristor, so as not to make the forces on one side and the other side of the thyristor unequal to the sun flower radiator 12.
The lower fixture 14 is further provided with an insulating column 18. Because the device is electrified after being connected with a power supply, the device can conveniently and safely work by arranging the insulating column 18.
The embodiment further comprises a power input board 19 and a power output board 110, wherein the power input board 19 and the power output board 110 are respectively connected to the uppermost and lowermost flat thyristors 11, and the power input board 19 and the power output board 110 are provided with positive and negative shorting bars 111 and are connected through the positive and negative shorting bars 111.
The installation mode of this embodiment is: the distance between the upper fixing member 13 and the lower fixing member 14 is reduced by rotating the pressing screw 15, so that the heat conduction surface 122 of the sunflower heat sink 12 and the front and back surfaces of the plate-shaped thyristor 11 and other parts are closely matched, and the current from the power input plate 19 to the power output plate 110 and the heat emitted from the plate-shaped thyristor 11 are transmitted. The flat-plate thyristors in the embodiment are fewer in number and are mainly used in low-voltage products.
Example 2:
referring to fig. 3 to 4, the present embodiment provides a flat-plate thyristor device with a sunflower heat dissipation structure, which includes a connecting rod 21, wherein flat-plate thyristor assemblies are disposed on both left and right sides of the connecting rod 21, and the flat-plate thyristor assemblies on both sides are connected in series.
The flat-plate type thyristor component comprises more than one flat-plate type thyristor 22, and the front surface and the back surface of the flat-plate type thyristor 22 are both provided with a sunflower radiator 23. The sunflower radiator 23 comprises a heat conducting portion 231, a circle of sunflower fin-shaped radiating fins 233 are arranged on the periphery of the heat conducting portion 231, and heat conducting surfaces 232 of planar structures are arranged on the front surface and the back surface of the heat conducting portion 231. Both the front and back surfaces of the flat thyristor 22 are adapted to the heat conducting surface 232. The shape and size of the sunflower fins can be changed according to natural cooling or forced air cooling, and meanwhile, the flat-plate type thyristors 22 with different sizes and capacities can be matched conveniently to meet different heat dissipation requirements. In this embodiment, more than one flat-type thyristor 22 is connected in series, one sunflower radiator 23 is disposed between two adjacent flat-type thyristors 22, the heat conduction surface 232 on the front surface of the sunflower radiator 23 is attached to the back surface of the upper flat-type thyristor 22, and the heat conduction surface 232 on the back surface of the sunflower radiator 23 is attached to the front surface of the lower flat-type thyristor 22.
The device also comprises a fixing mechanism, wherein the fixing mechanism comprises an upper fixing piece 24 and a lower fixing piece 25, and the upper fixing piece 24 and the lower fixing piece 25 are fixedly connected through the connecting rod 21. An installation space is provided between the upper fixing member 24 and the lower fixing member 25, and the flat plate type thyristor 22 and the sunflower heat sink 23 are disposed in the installation space.
The upper fixing member 24 is fixedly connected to the uppermost sunflower radiator 23, and the lower fixing member 25 is fixedly connected to the lowermost sunflower radiator 23.
A pressure pad 26 is further disposed between the upper fixing member 24 and the uppermost sunflower radiator 23, and balls (not shown) are disposed between the pressure pad 26 and the upper fixing member 24. The pressure pad 26 is made of a high-hardness material, so that the stress area of the sunflower radiator 23 is increased, and the concentrated stress deformation of the sunflower radiator is avoided, thereby causing damage to the thyristor. The balls can evenly distribute the pressure transmitted by the upper fixing piece 24 on the thyristor, so that the forces on one side and the other side of the sun flower radiator 23 and the thyristor are not equal.
The lower fixing member 25 is further provided with an insulating column 27. Because this device is electrified after inserting the power, can make things convenient for this device safe work through setting up insulated column 27.
The present embodiment further includes a power input board 28 and a power output board 29, the power input board 28 and the power output board 29 are respectively connected to the uppermost and lowermost flat thyristors 22, the power input board 28 and the power output board 29 are provided with an equal voltage row 210 and a voltage equalizing resistor 211, and the power input board 28 and the power output board 29 are connected to the voltage equalizing resistor 211 through the equal voltage row 210.
The installation mode of this embodiment is: the connecting rod 21 and the upper fixing member 24 are fixed by the mounting screw, and then the tightening screw 212 is rotated to reduce the distance between the upper fixing member 24 and the lower fixing member 25 so as to make the middle thyristor and the sunflower radiator closely contact with each other, thereby transferring the current from the power input to the power output and the heat generated by the thyristor.
The flat-plate thyristors in the embodiment are more in number and are mainly used in medium and high voltage products.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A flat plate type thyristor device with a sunflower heat dissipation structure is characterized by comprising more than one flat plate type thyristor, wherein the front surface and the back surface of the flat plate type thyristor are both provided with a sunflower heat radiator; the sunflower radiator comprises a heat conduction part, a circle of sunflower fin-shaped radiating fins are arranged on the periphery of the heat conduction part, heat conduction surfaces of a planar structure are arranged on the front surface and the back surface of the heat conduction part, and the front surface and the back surface of the flat-plate thyristor are matched and attached to the heat conduction surfaces.
2. A plate type thyristor device with a sunflower heat sink structure as claimed in claim 1, wherein more than one plate type thyristor is connected in series, a sunflower heat sink is disposed between two adjacent plate type thyristors, the heat conducting surface of the front surface of the sunflower heat sink is attached to the back surface of the upper plate type thyristor, and the heat conducting surface of the back surface of the sunflower heat sink is attached to the front surface of the lower plate type thyristor.
3. A flat type thyristor device with a sunflower heat sink structure as claimed in claim 1, further comprising a fixing mechanism, wherein the fixing mechanism comprises an upper fixing member and a lower fixing member, an installation space is provided between the upper fixing member and the lower fixing member, and the flat type thyristor and the sunflower heat sink are disposed in the installation space.
4. A flat plate type thyristor device having a sunflower heat sink structure as claimed in claim 3, wherein the upper fixing member is fixedly connected to the uppermost sunflower heat sink, and the lower fixing member is fixedly connected to the lowermost sunflower heat sink.
5. A flat type thyristor device having a sunflower heat sink structure as claimed in claim 3, wherein a connecting rod is disposed between the upper and lower fixing members, and the upper and lower fixing members are fixedly connected by the connecting rod.
6. A flat plate type thyristor device having a sunflower heat sink structure as claimed in claim 3, wherein a pressure pad is further disposed between the upper fixture and the top sunflower heat sink, and a ball is disposed between the pressure pad and the upper fixture.
7. A flat type thyristor device having a sunflower heat sink structure as claimed in claim 3, wherein the lower fixture is further provided with an insulating pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123256664.9U CN216928556U (en) | 2021-12-20 | 2021-12-20 | Flat plate type thyristor device with sunflower heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123256664.9U CN216928556U (en) | 2021-12-20 | 2021-12-20 | Flat plate type thyristor device with sunflower heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216928556U true CN216928556U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123256664.9U Active CN216928556U (en) | 2021-12-20 | 2021-12-20 | Flat plate type thyristor device with sunflower heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216928556U (en) |
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2021
- 2021-12-20 CN CN202123256664.9U patent/CN216928556U/en active Active
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