CN221043658U - Radiating enclosure for fissioners - Google Patents

Abstract

The utility model relates to the technical field of heat dissipation devices, and discloses a heat dissipation shell for a fission device, which comprises a box body and a plurality of heat dissipation needles, wherein the box body is formed by casting at one time; the heat dissipation needles are arranged on the outer side face of the top of the box body according to a preset array; the radiating needle is in a truncated cone-shaped structure, wherein one end with a large cross-section circle diameter is the bottom end and is connected with the box body; the plurality of radiating pins comprise a first radiating pin group and a second radiating pin group; the bottom end circle of the outermost layer heat dissipation needle in the first heat dissipation needle group and the outer edge of the outer side face have a clearance distance smaller than the radius of the bottom end circle; the second heat dissipation needle groups are arranged in a trapezoid manner and are symmetrically arranged in the first heat dissipation needle groups; the second heat dissipation needle group is smaller than the first heat dissipation needle group in height, and the number of heat dissipation needles is far smaller than that of the first heat dissipation needle group; the heat dissipation shell does not need the cooperation heat dissipation of cooling medium, directly utilizes the radiating needle, does not have complicated control system, compact structure, and the radiating effect is good.

Description

Radiating enclosure for fissioners

Technical Field

The utility model relates to the technical field of heat dissipation devices, in particular to a heat dissipation shell for a fission device.

Background

The fission device changes direct current into alternating current (DC/AC), which may be called UPS, inverter, grid-connected inverter, motor controller, etc. according to application industry, is a high-reliability and high-performance power source necessary for computers, communication systems and occasions where interruption cannot be realized. In the use, because the characteristics of high integration level and high power density, the temperature of the internal chip is higher, and the normal operation of the fission device can be ensured only by ensuring that the device has good heat dissipation performance, if the heat dissipation performance is poor, the reliability of the power module can be reduced, even the failure of the power module can be caused, and great loss is caused to the electrical device.

The conventional heat dissipation device has heat dissipation sheets, can be suitable for part of fission generators with small heat productivity in unit time, but cannot be applied to fission generators with large heat productivity in unit time, and has low overall heat dissipation efficiency although the sheets can also dissipate heat, so that the requirement of rapid heat dissipation cannot be met; some adopt direct cooling technique, the diffuser plate of equipment and heat dissipation needle rib integrated into one piece, coolant realizes power module's heat dissipation through the runner that is provided with the heat dissipation needle rib, and the effect of heat dissipation needle rib increases coolant's flow area, therefore, the structure of heat dissipation needle will directly influence the radiating effect of fission ware, and current whole heat abstractor does not match with the fission ware, and it is unreasonable to be difficult to dispel the heat needle structure, can't effectively dispel the heat fast through the heat dissipation needle.

Disclosure of utility model

The utility model aims to provide a radiating casing for a fission device, which is used for solving the technical problem of low radiating efficiency of the existing radiating device.

The basic scheme provided by the utility model is as follows: comprises a box body and a plurality of radiating needles; the heat dissipation needles are arranged on the outer side face of the top of the box body according to a preset array; the radiating pins and the fischers are positioned at the inner side and the outer side of the box body, are used for effectively gathering the heat productivity of the fischers at the inner side of the box body by the box body, and effectively isolating other equipment around the fischers, and radiating through the radiating pins at the outer side of the box body; the radiating needle is in a truncated cone-shaped structure, wherein one end with a large cross-section circle diameter is the bottom end and is connected with the box body; the plurality of radiating pins comprise a first radiating pin group and a second radiating pin group; the bottom end circle of the outermost layer heat dissipation needle in the first heat dissipation needle group and the outer edge of the outer side face have a clearance distance smaller than the radius of the bottom end circle; the second heat dissipation needle groups are arranged in a trapezoid manner and are symmetrically arranged in the first heat dissipation needle groups; the second heat dissipation needle group is smaller than the first heat dissipation needle group in height, and the number of heat dissipation needles is far smaller than that of the first heat dissipation needle group; the second heat dissipation needle group is also used for installing parts.

The working principle and the advantages of the utility model are as follows: the fission device and the heat dissipation needle are positioned at two sides of the box body, the fission device generates heat, the heat is transmitted to the heat dissipation needle through the top of the box body in a conduction mode, and the heat dissipation needle dissipates the heat into the air in a heat-radiating mode to realize heat dissipation.

Compared with the prior art, the radiating pin has two advantages compared with radiating fins: the heat dissipation area of the heat dissipation needles distributed on the top area of the box body is 20-30% larger than that of the heat dissipation fins; in the radiation radiating direction, the radiating directions of the radiating fins are mainly two, the radiating directions of the radiating pins are the whole cylindrical surface and the small end face, and the radiating directions are multi-angle and multi-directional, so that compared with the radiating fins, the scheme has larger radiating surfaces and more radiating angles, and achieves more efficient radiating; meanwhile, the box body heat dissipation needle mode does not need the matched heat dissipation of a cooling medium, directly utilizes the heat dissipation needle to dissipate heat, has the advantages of compact structure, simple device, no complex control system and low manufacturing cost, and meanwhile, avoids the influence of leakage of the cooling medium on equipment and operation, and is friendly to the equipment and the environment in the use process.

Meanwhile, the technical difficulties in the prior art are overcome, and particularly, the conventional radiating fin can achieve a certain radiating effect, and compared with the radiating needle with a complex structure, the radiating needle has a certain radiating advantage, but the radiating needle is not well processed and the radiating effect is not well controlled, and the radiating fin is easier to complete processing by using the prior art, so that the conventional thinking cannot process a single radiating needle to radiate; in order to utilize the heat dissipation needle mode with good heat dissipation effect, some manufacturers solve the contradiction by utilizing the mode of combining a small quantity of heat dissipation needles with cooling media, but the system has complex structure and control mode and is easy to pollute equipment and environment after long-time application.

The radiating effect of the radiating shell is good, the radiating shell is mainly characterized in that proper radiating pin spacing and uniformity are realized through special arrangement of the radiating pin structure and quantity, special arrangement mode and relative position arrangement with a fission device, and the second radiating pin group which is of a different structure with most of the first radiating pin groups is arranged to be matched with the total quantity of the radiating pins, so that proper uniform distribution arrangement can be formed, and the radiating temperature difference is balanced, so that the radiating condition can be controllably adjusted, the problem that the radiating effect of the radiating pins is conventionally considered to be uncontrollable is solved, and through the key processing steps, the setting of a die, the selection of a low-pressure casting process and secondary processing modification, complete, full, large-quantity and uniform-arrangement radiating pins can be formed on a limited plane, the problem that the radiating pins are not well processed is solved, and the difficulty in the prior art is effectively broken through; firstly, a radiating needle is in a truncated cone-shaped structure, the radiating needle is gradually far away from the fischer from the box body end, the cross section is changed from large to small, and one end with the large cross section is connected with the box body, so that the heat absorbing surface can be expanded as much as possible, the heat emitted by the fischer can be quickly absorbed, and the fischer can be continuously and stably kept in the normal running environment temperature; the section of the radiating needle is gradually reduced, the distance between the radiating needle and the adjacent radiating needle is gradually increased, the radiating space is gradually enlarged, the rapid heat dissipation is realized, and the better heat dissipation effect is realized under the high-efficiency effects of rapid heat absorption, large heat absorption and rapid heat dissipation; secondly, the bottom end circle of the outermost layer heat dissipation needle in the first heat dissipation needle group and the outer edge of the outer side face have a clearance distance smaller than the radius of the bottom end circle, the smaller clearance distance is reserved, the heat absorption surface is enlarged as much as possible, meanwhile, the device is convenient to process and shape, and the processing precision of the device is ensured; in addition, the second heat dissipation needle group and the first heat dissipation needle group form differences in number, arrangement and height, and repeated tests prove that after the arrangement, the heat dissipation effect is improved more obviously; and the effect of this scheme heat dissipation needle firstly improves radiating efficiency, and secondly is used for installing the part, has improved the functional of this heat dissipation casing.

Further, the number of the heat dissipation needles is 1008, wherein the number of the heat dissipation needles of the first heat dissipation needle group is 1000, and the number of the heat dissipation needles of the second heat dissipation needle group is 8.

The beneficial effects are that: the quantity is suitable, plays better radiating efficiency.

Further, the box body and the plurality of radiating needles are cast and formed at one time.

The beneficial effects are that: no welding seam and better integrity.

Further, the box body is of a hollow cuboid structure with an opening face, the opening face is opposite to the outer side face of the top of the box body, and the hollow portion is matched with the outer size of the fissioner and used for internally arranging the fissioner.

The beneficial effects are that: the box body with the structure can effectively gather the heat productivity of the fissioner and intensively dissipate the heat.

Further, the preset array is that a plurality of heat dissipation needles are respectively aligned and arranged according to rows and columns, wherein the heat dissipation needles in the singular row and the heat dissipation needles in the double row are alternately arranged, the heat dissipation needles in the double row are aligned with gaps formed between the heat dissipation needles in the singular row, the heat dissipation needles in the singular row and the heat dissipation needles in the double row are integrally arranged in a trapezoid shape, and the acute angle of the trapezoid is 60 degrees. The row spacing of two adjacent heat dissipation needles is 13mm, and the column spacing is 15mm.

The beneficial effects are that: so arrange, can have suitable heat dissipation needle interval and degree of consistency for in the heat dissipation process behind the heat dissipation needle heat conduction, increase the cooling surface through the side of heat dissipation needle itself, adjacent heat dissipation needle interval provides suitable heat dissipation space simultaneously, reaches quick heat dissipation.

Further, the height of the second heat dissipation needle group is 30mm, and the height of the first heat dissipation needle group is 40mm.

The beneficial effects are that: the second heat dissipation needle group is suitable in height that reduces, can highly match with the heat dissipation needle of first heat dissipation needle group, and heat conduction and radiating efficiency are suitable.

Further, the offset distance between the horizontal symmetry axis of the second heat dissipation needle group and the horizontal symmetry axis of the first heat dissipation needle group is larger than the bottom end circle radius value of the heat dissipation needles.

The beneficial effects are that: the second heat dissipation needle group can be aligned to the position with highest heat productivity of the fission device, and heat dissipation of all areas is balanced through the reinforced heat dissipation of the second heat dissipation needle group.

Further, the circular cross section diameter of the circular truncated cone of the first heat dissipation needle group is controlled within the range of 5-9 mm; the diameter of the circular truncated cone section circle of the second heat dissipation needle group is controlled within the range of 6.8-9 mm.

The beneficial effects are that: the heat dissipation needle is reasonable in size, matched with the number and the box size, and capable of improving heat dissipation efficiency.

Further, inside the fission ware is arranged in the box body, the inner side opposite to the outer side surface of the top of the box body where the plurality of radiating pins are arranged is provided with a plurality of fixed cylinders for fixing the integrated circuit board with the inversion function.

The beneficial effects are that: the integrated circuit board is mounted on the heat radiator firmly and stably, the heat radiation path is a heat source, the top of the box and a heat radiation needle, and the heat radiation is effectively carried out mainly in a conduction mode.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation chassis for a fischerer according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a heat dissipation chassis flip tilt configuration for a fischerer according to an embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of a heat dissipation enclosure part (heat dissipation pins, top of enclosure and fixed cylinder) for a fission unit according to an embodiment of the present utility model;

FIG. 4 is a top view of a heat-dissipating enclosure for a fissile provided in accordance with an embodiment of the present utility model;

Fig. 5 is a bottom view of a heatsink enclosure for a fissioner provided in an embodiment of the utility model.

Detailed Description

The following is a further detailed description of the embodiments:

The labels in the drawings of this specification include: the heat dissipation device comprises a box body 1, a fixed cylinder 11, heat dissipation pins 2, a first heat dissipation pin group 21 and a second heat dissipation pin group 22.

An example is substantially as shown in figures 1 and 2: a radiating enclosure for a fissioner, comprising a box 1 and a plurality of radiating pins 2; the heat dissipation needles 2 are arranged on the outer side face of the top of the box body 1 according to a preset array; the radiating pins 2 and the fissioners are positioned on the inner side and the outer side of the box body 1. In use, the fissioner is located inside the top of the enclosure 1. When the fission device generates heat, the heat emitted by the fission device is gathered through the box body 1, then the heat dissipation is realized through a plurality of heat dissipation needles 2 on the box body 1, the heat dissipation paths are a heat source, the top of the box body and the heat dissipation needles, and the heat dissipation is mainly effectively performed in a conduction mode. The second heat dissipation needle group is also used for installing parts. The box body and the heat dissipation needles are cast and formed at one time, welding is avoided, and the integrity of the heat dissipation machine shell is improved.

In this embodiment, as shown in fig. 1 and fig. 2, the box 1 has a hollow cuboid structure with an opening surface, wherein a plurality of heat dissipation pins 2 are disposed on an outer side surface of the top of the box 1, the opening surface is disposed opposite to the outer side surface of the top of the box, and the hollow portion is adapted to the outer dimension of the fission device for internally housing the fission device; in other embodiments, the heat dissipation needles 2 may be arranged on other sides in the same manner according to the present embodiment, and under the condition of sufficient placement space, multi-directional rapid heat dissipation is achieved, but at the same time, economic benefits between the processing cost and the heat dissipation efficiency of the heat dissipation casing of the multi-sided heat dissipation needle 2 need to be considered; through multidimensional comparison analysis, the embodiment provides the radiating shell of the single-sided radiating needle 2, can meet the requirements of heat rapid conduction and heat dissipation in the actual use process of various fissile devices, and has the advantages of heat dissipation efficiency and processing cost of the radiating shell and economic benefit.

As shown in fig. 3, the heat dissipation needle 2 has a truncated cone-shaped structure, wherein one end with a large diameter of a cross section is a bottom end, and is connected with the top of the box 1, and the other end is a top end, and is far away from the box 1, so that the cross section of the heat dissipation needle 2 is changed from large to small, the one end with a large cross section is used for absorbing heat, the cross section is gradually reduced, the heat dissipation surface is increased, the distance between adjacent heat dissipation needles 2 is gradually increased, the heat flow space is gradually increased, and the heat is rapidly dissipated.

As shown in fig. 4, the preset array is that a plurality of heat dissipation needles are respectively aligned and arranged according to rows and columns, wherein the heat dissipation needles in the singular row and the heat dissipation needles in the even row are alternately arranged, the heat dissipation needles in the even row are aligned with gaps formed between the heat dissipation needles in the singular row, and the heat dissipation needles in the even row are two less than the heat dissipation needles in the singular row, so that the heat dissipation needles in the singular row and the heat dissipation needles in the even row are integrally arranged in a trapezoid, such as a first row, and a second row are connected, and can be seen as a trapezoid acute angle θ, in the embodiment, θ is a 60-degree angle, the row spacing d6 of the heat dissipation needles is 13mm, the column spacing d5 is 15mm, and the distance measurement and calculation is based on the circle center distance, so that the arrangement is more uniform, thereby being beneficial to improving the heat dissipation efficiency.

The plurality of radiating needles comprise a first radiating needle group and a second radiating needle group, and in order to better distinguish and explain, the second radiating needle is subjected to black treatment in the illustration, and is substantially the same as the first radiating needle, but only different in size and number, the height of the second radiating needle group is smaller than that of the first radiating needle group, the height of the second radiating needle group is three fourths of that of the first radiating needle group, and the number of the radiating needles is far smaller than that of the first radiating needle group; in this embodiment, the external side dimension of the box is specially selected from d1=d2=418×480mm, which is adapted to the dimensions of a plurality of fission device shells, the thickness of the top of the box is controlled to be 5mm, so that heat conduction can be performed rapidly, and meanwhile, the conduction speed is suitable due to the thickness; the number of the heat dissipation needles is 1008, wherein the number of the heat dissipation needles of the first heat dissipation needle group is 1000, and the number of the heat dissipation needles of the second heat dissipation needle group is 8; the diameter of the circular truncated cone section circle of the first heat dissipation needle group is controlled within the range of 5-9mm, the diameter of the specially selected top end circle is 5mm, the diameter of the bottom end circle is 9mm, and the height is 40mm; the bottom end circle of the outermost layer heat dissipation needle in the first heat dissipation needle group and the outer edge of the outer side face have a clearance distance smaller than the radius of the bottom end circle, and in the embodiment, the clearance distances d3 and d4 are 3mm.

The height of the second heat dissipation needle group is three quarters of that of the first heat dissipation needle group, the diameter of the circular truncated cone section of the second heat dissipation needle group is controlled within the range of 6.8-9mm, the diameter of the specially selected top end circle is 6.8mm, the diameter of the bottom end circle is 9mm, and the height is 30mm; the second heat dissipation needle groups are arranged in a trapezoid manner and are symmetrically arranged in the first heat dissipation needle groups; the direction of the reader front view 4 carries out the definition of horizontal direction and vertical direction, the vertical symmetry axis of second heat dissipation needle group coincides with the vertical symmetry axis of first heat dissipation needle group, the offset distance between the horizontal symmetry axis of second heat dissipation needle group and the horizontal symmetry axis of first heat dissipation needle group is greater than heat dissipation needle bottom circle radius value, and in this embodiment, the offset distance is 7.5mm, can effectively make the position of second heat dissipation needle group correspond with the higher position accuracy of fissioner heating temperature, cooperates with first heat dissipation needle group around, increases the heat dissipation space, improves radiating efficiency. In this embodiment, the position of the second heat dissipation pin set is set in detail, where d7=105 mm, d8=150 mm, d9=104 mm, d10=156 mm, d11=157.5 mm, d12=232.5 mm, d13=124.5 mm, d14=202.5 mm, and the position is precisely aligned with the mounting part.

Through the layout of the quantity, the size and the arrangement mode, the total heat dissipation area of the heat dissipation needles and the heat dissipation rate realized by utilizing the structure are matched with the heat productivity of the fission device in the box body, so that the heat can be quickly absorbed and quickly dissipated, the accumulation of the heat in the box body is avoided in the whole process, and the normal operation of the fission device is ensured; meanwhile, 1000 heat dissipation needles are machined on the area of about 480 x 420mm, and the structural arrangement is convenient to finish by utilizing a low-pressure casting process and secondary machining repair machining, so that the operation convenience of the machining process, the positioning accuracy of the die and the machining quality of the heat dissipation shell are guaranteed.

Inside the fission ware is arranged in the box, be located the inboard that a plurality of cooling pins are located the opposite of box top lateral surface and be provided with a plurality of fixed cylinders for fixed integrated circuit board that has the contravariant function. In this embodiment, as shown in fig. 5, the specific arrangement modes are 11 in total, the diameter is controlled to be 7-9mm, the specific selection is 8mm, the height is controlled to be 9-10mm, the specific selection is 9.5mm, the conduction heat dissipation efficient heating source is ensured to be closely attached to the inner side of the top of the box body, the abutting effect is good, and the firm stability of the integrated circuit board mounted on the heat dissipation device is improved.

The radiating casing for the fission device, provided by the embodiment, has the advantages that the heat productivity of the fission device can be gathered by the casing, and the radiating needle above the casing can radiate heat; the heat dissipation needle round table structure is reasonable in layout mode and proper in distance, and compared with the existing heat dissipation fins, the heat dissipation needle round table structure has larger heat dissipation surface and more heat dissipation angles on the basis of the same heat dissipation surface, so that heat absorption and conduction effects are accelerated, and more efficient heat dissipation is realized; compared with the existing cooling and radiating mode, the cooling medium is not required to be more environment-friendly, the abutting mode of the radiating machine shell and the equipment needing to be radiated is more reasonable, the heat productivity is more concentrated, the influence on other equipment around is small, because the heat conduction and radiating efficiency of the machine shell are high, even if the heat productivity is concentrated around the radiating equipment, the heat dissipation device is free of influence on the equipment, the cooling machine shell is simple in structure, free of a complex control system and convenient to install and operate, and the production of the radiating machine shell in the special design of the scheme can be conveniently realized through the special processing mode, the technical difficulties that the balanced radiating needle is not well processed and the radiating is not well controlled in the prior art are overcome, and the cooling machine shell is suitable for popularization, processing and production and economical and applicable.

The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present utility model, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims (10)

1. The radiating casing for the fission device is characterized by comprising a box body and a plurality of radiating pins; the heat dissipation needles are arranged on the outer side face of the top of the box body according to a preset array; the radiating pins and the fischers are positioned at the inner side and the outer side of the box body, are used for effectively gathering the heat productivity of the fischers at the inner side of the box body by the box body, and effectively isolating other equipment around the fischers, and radiating through the radiating pins at the outer side of the box body; the radiating needle is in a truncated cone-shaped structure, wherein one end with a large cross-section circle diameter is the bottom end and is connected with the box body; the plurality of radiating pins comprise a first radiating pin group and a second radiating pin group; the bottom end circle of the outermost layer heat dissipation needle in the first heat dissipation needle group and the outer edge of the outer side face have a clearance distance smaller than the radius of the bottom end circle; the second heat dissipation needle groups are arranged in a trapezoid manner and are symmetrically arranged in the first heat dissipation needle groups; the second heat dissipation needle group is smaller than the first heat dissipation needle group in height, and the number of heat dissipation needles is far smaller than that of the first heat dissipation needle group; the second heat dissipation needle group is also used for installing parts.

2. The heat-dissipating enclosure for a fissioner of claim 1, wherein the number of heat-dissipating pins is 1008, wherein the number of heat-dissipating pins of the first heat-dissipating pin set is 1000, and wherein the number of heat-dissipating pins of the second heat-dissipating pin set is 8.

3. The heat-dissipating enclosure for a fissioner of claim 1, wherein the enclosure and the plurality of heat-dissipating pins are cast in one piece.

4. The heat-dissipating enclosure for a fissile reactor of claim 1, wherein the tank is a hollow cuboid structure having an open face disposed opposite a top exterior face of the tank, the hollow portion being adapted to an exterior dimension of the fissile reactor for housing the fissile reactor.

5. The heat dissipation chassis for a fission device according to claim 1, wherein the preset array is that a plurality of heat dissipation needles are aligned and arranged respectively according to rows and columns, wherein the heat dissipation needles of a singular row and a plurality of heat dissipation needles of a double row are alternately arranged, the heat dissipation needles of the double row are aligned with gaps formed between the heat dissipation needles of the singular row, the heat dissipation needles of the singular row and the heat dissipation needles of the double row are integrally arranged in a trapezoid shape, and the acute angle of the trapezoid is 60 degrees.

6. The heat-dissipating enclosure for a fissioner of claim 4, wherein adjacent two of the heat-dissipating pins have a row spacing of 13mm and a column spacing of 15mm.

7. The heat sink enclosure for a fissioner of claim 1, wherein the second heat dissipation needle set has a height of 30mm and the first heat dissipation needle set has a height of 40mm.

8. The heat-dissipating enclosure for a fissioner of claim 1, wherein the horizontal axis of symmetry of the second heat-dissipating needle set is offset from the horizontal axis of symmetry of the first heat-dissipating needle set by a distance greater than the radius of the bottom end circle of the heat-dissipating needle set.

9. The heat-dissipating enclosure for a fissioner of claim 1, wherein the circular truncated cone cross-sectional circle diameter of the first heat-dissipating needle set is controlled to be in the range of 5-9 mm; the diameter of the circular truncated cone section circle of the second heat dissipation needle group is controlled within the range of 6.8-9 mm.

10. The heat dissipation chassis for a fission device according to claim 1, wherein a plurality of fixing cylinders are provided inside the case body, opposite to the outer side surface of the top of the case body where the plurality of heat dissipation pins are located, for fixing an integrated circuit board with an inversion function.