CN212909365U - Boost inductance box - Google Patents

Abstract

The embodiment of the utility model provides a be applicable to dc-to-ac converter technical field, provide a inductance box steps up, include: the square box comprises a square box body, supporting parts arranged at two ends of the square box body, wire passing holes arranged on the bottom surface of the supporting parts and used for passing wires, mounting holes arranged on the outer wall of the bottom surface of the supporting parts and used for being matched with a case to be mounted, and cover plates arranged on the top surface of the square box body, wherein at least two placing grooves used for mounting inductors are arranged in the square box body. The embodiment of the utility model provides a supporting part and quick-witted case that can pass through square box body both ends are connected, and the one side of having avoided the inductance box that steps up is direct to be connected with quick-witted case and lead to the inductance box that steps up the condition with the leading-in quick-witted case of temperature, and has made the contravariant electricity ware box have six and can carry out radiating face body to the radiating effect of inductance box that steps up has been promoted.

Description

Boost inductance box

Technical Field

The utility model belongs to the technical field of the dc-to-ac converter, especially, relate to an inductance box steps up.

Background

The boost inductance box is one of the important components of the inverter, and the boost inductance box mainly plays a role in bearing the inductance and dissipating heat for the inductance so that the inductance can work normally. Although the boost inductor box can dissipate heat for the inductor, when the inverter has higher voltage and higher power, the inductor still emits high temperature.

At present, the boost inductance box is of a pentahedron structure, and because the temperature generated by the inductance is high, the five heat dissipation hedrons cannot completely dissipate the heat of the inductance.

Meanwhile, the boosting inductance box is also required to be arranged on the case, and one surface of the existing boosting inductance box is required to be pasted on the case, so that the heat dissipation surface of the boosting inductance box can be reduced, the heat dissipation effect of the boosting inductance box is further reduced, the heat generated by the inductance can be guided into the case of the inverter, the internal temperature of the case of the inverter is increased,

therefore, the conventional boosting inductance box has poor heat dissipation effect and can guide heat generated by the inductance into the case.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a boost inductance box aims at solving current boost inductance box radiating effect poor, and still can channel into the problem of quick-witted incasement portion with the heat that the inductance produced.

The embodiment of the utility model provides a realize like this, provide a inductance box steps up, include: the square box comprises a square box body, supporting parts arranged at two ends of the square box body, wire passing holes arranged on the bottom surface of the supporting parts and used for passing wires, mounting holes arranged on the outer wall of the bottom surface of the supporting parts and used for being matched with a case to be mounted, and cover plates arranged on the top surface of the square box body, wherein at least two placing grooves used for mounting inductors are arranged in the square box body.

Furthermore, the bottom surface of the square box body is provided with a plurality of first heat dissipation tooth sheets, and the first heat dissipation tooth sheets extend from one end of the square box body to the other end of the square box body.

Furthermore, a plurality of second heat dissipation tooth sheets are arranged on two sides of the square box body.

Furthermore, a waterproof sealing ring is arranged at the wire passing hole.

Furthermore, the boost inductance box further comprises a sealing plug corresponding to the wire passing hole, and the sealing plug is provided with a through hole for passing a wire.

Further, the aperture of the wire through hole is gradually reduced from inside to outside.

Furthermore, the top surface of the square box body and the cover plate are provided with corresponding threaded holes, and the cover plate and the top surface of the square box body are fixed by penetrating the corresponding threaded holes through screws.

Furthermore, the inner edge of the cover plate is provided with a limiting rib corresponding to the edge of the groove body of the square box body.

Furthermore, the number of the placing grooves arranged in the square box body is four.

Furthermore, the square box body and the cover plate are formed by a die-casting integrated die.

The embodiment of the utility model provides a through setting the inductance box that steps up to the structure of a square box body and an apron, and set up the supporting part at the both ends of square box body, the bottom surface outer wall of this supporting part still is provided with the mounting hole, can be connected with quick-witted case through the supporting part at square box body both ends like this, the one side of having avoided the inductance box that steps up is direct to be connected with quick-witted case and leads to the inductance box that steps up to be with the condition of the leading-in quick-witted case of temperature, and make the contravariant electricity ware box have six and can carry out radiating face body, thereby the radiating effect.

Drawings

Fig. 1 is a schematic view of an overall structure of an inverter inductor box according to an embodiment of the present invention.

Fig. 2 is a schematic bottom view of a square box body in an inverter inductor box according to an embodiment of the present invention.

Fig. 3 is a schematic top view of a square box body in an inverter inductor box according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a cover plate in an inverter inductor box according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an inductor pre-mounted to an inverter inductor box according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a sealing plug in an inverter inductor box according to an embodiment of the present invention.

Wherein, 1, a square box body; 2. a cover plate; 3. a support portion; 4. a wire passing hole; 5. mounting holes; 6. a second heat dissipating blade; 7. a first heat dissipating blade; 8. a waterproof sealing ring; 9. an inner contracting part; 10. an installation part; 11. a threaded hole; 12. a placement groove; 13. limiting ribs; 14. sealing the plug; 15. an inductance; 16. and (6) perforating.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

The embodiment of the utility model provides a boost inductance box is provided, include: the square box comprises a square box body, supporting parts arranged at two ends of the square box body, wire passing holes arranged on the bottom surface of the supporting parts and used for passing wires, mounting holes arranged on the outer wall of the bottom surface of the supporting parts and used for being matched with a case to be mounted, and cover plates arranged on the top surface of the square box body, wherein at least two placing grooves used for mounting inductors are arranged in the square box body. Through setting the inductance box that will step up to the structure of a square box body and a apron, and set up the supporting part at the both ends of square box body, the bottom surface outer wall of this supporting part still is provided with the mounting hole, supporting part and quick-witted case that can pass through square box body both ends are connected like this, the one side of having avoided the inductance box that steps up is direct to be connected with quick-witted case and lead to the condition of the inductance box that steps up with the leading-in quick-witted case of temperature, and make the contravariant electricity ware box have six and can carry out radiating face body, thereby the radiating effect of inductance box that.

Example one

The present embodiment provides a boost inductor box, as shown in fig. 1, including: the box comprises a square box body 1, supporting parts 3 arranged at two ends of the square box body 1 and a cover plate 2 used for covering the top surface of the square box body 1; as shown in fig. 2, further includes: the square box body 1 is internally provided with at least two placing grooves 12 for installing inductors 15.

Specifically, as shown in fig. 3, the square box 1 is a rectangular box, and has one side as an open side, so as to install the inductor 15, and cooperate with the cover plate 2, of course, the square box 1 can also be set as a square box according to actual requirements.

Specifically, as shown in fig. 3, four placing grooves 12 are provided in the square box 1, and the placing grooves 12 are provided one by one in order from one end of the square box 1 to the other end. Of course, the number of the placing grooves 12 arranged in the square box body 1 can be two, three, five, six, etc. according to actual requirements.

In this embodiment, as shown in fig. 3, two ends of the placing groove 12 are provided with inwardly contracted inward-contracted portions 9, the inward-contracted portions 9 adjacent to the two placing grooves 12 are communicated, the inward-contracted portions 9 are matched with two ends of the inductor 15 so as to be in close contact with two ends of the inductor 15, and therefore the inductor 15 can be better cooled, and of course, the inward-contracted portions 9 may not be provided according to actual requirements.

Specifically, as shown in fig. 1, the height of the supporting portion 3 is higher than that of the square box 1, and the top surface of the supporting portion 3 and the top surface of the square box 1 are located on the same horizontal plane, at this time, the supporting portion 3 is lower than the bottom surface of the square box 1, so that when the supporting portion 3 is installed on the chassis, the chassis and the bottom surface of the square box 1 have a certain space, which is convenient for heat dissipation, and the heat generated by the inductor 15 is not conducted into the chassis.

Specifically, as shown in fig. 3, the supporting portion 3 extends to the outside of the square box 1 to increase the heat dissipation area, and the wire passing hole 4 can be better arranged, so that the phenomenon that the inductor 15 is not beneficial to wire passing after installation is avoided.

Of course, according to actual requirements, the supporting portion 3 may not extend to the outside of the square box 1, but the distance between the two ends of the square box 1 needs to be greater than the length of the inductor 15, so as to facilitate the arrangement of the wire passing hole 4.

Specifically, the positions of the supporting portions 3 at the two ends of the square box 1 are set according to actual requirements, and the supporting portions may be symmetrically arranged at the two ends of the square box 1 or asymmetrically arranged at the two ends of the square box 1.

Specifically, the aperture of the wire through hole 4 is set according to the wire diameter of the inductor 15 and the number of the inductors 15, so that the wire of the inductor 15 can pass through the wire through hole 4.

Specifically, as shown in fig. 3, the outer wall of the bottom surface of the support portion 3 is provided with a mounting portion 10 protruding outward, and the mounting hole 5 is provided on the mounting portion 10.

Of course, the bottom surface of the support part 3 may be directly attached to the chassis without providing the mounting part 10 and the mounting hole 5 according to actual requirements.

Wherein, the number of mounting holes is set according to actual requirements, and in the embodiment, the outer wall of the bottom surface of each supporting part 3 is provided with two mounting holes. Of course, one, three, four, five, etc. may be provided according to actual requirements.

Specifically, the inner wall of the mounting hole 5 is provided with a thread structure (not shown in the figure), so that the support part 3 can be fixed with the chassis by passing through the mounting hole 5 through a screw. Of course, the inner wall of the mounting hole 5 may not be provided with a thread structure, and in this case, the fixing needs to be performed through a fixing column or a rivet.

Specifically, the square box body 1 and the cover plate 2 are made of 12 # aluminum materials and are formed by die casting and integral die forming. Of course, the square box body 1 and the cover plate 2 can also be made of other types of aluminum alloy materials, brass, bronze and the like, and can also be cast or cast by other types of casting processes.

This embodiment is through setting the inductance box that steps up to the structure of a square box body 1 and a apron 2, and set up supporting part 3 at the both ends of square box body 1, the bottom surface outer wall of this supporting part 3 still is provided with mounting hole 5, can be connected with the quick-witted case through the supporting part 3 at square box body 1 both ends like this, the one side of having avoided the inductance box that steps up is direct to be connected with quick-witted case and leads to the condition of the inductance box that steps up with the leading-in quick-witted case of temperature, and make the inverter box have six can carry out radiating face bodies, thereby the radiating effect of inductance box that steps up has been.

Example two

In another optional embodiment of the present invention, as shown in fig. 2, the bottom surface of the square box 1 is provided with a plurality of first heat dissipation fins 7, and the first heat dissipation fins 7 extend from one end of the square box 1 to the other end.

Specifically, the number of the first heat dissipation fins 7 is set according to the size of the square box 1, and may be five, seven, ten, twelve, and the like.

Specifically, the first heat dissipation fins 7 extend from one end to the other end of the square box 1, and the first heat dissipation fins 7 are arranged along the length of the square box 1, or the first heat dissipation fins 7 are parallel to the long side of the bottom surface of the square box 1. The arrangement is favorable for wind to form a flow field between the first heat dissipation tooth sheets 7 on the bottom surface of the square box body 1, so that heat of the plurality of inductors 15 is taken away, and the heat dissipation effect is improved.

Further, as shown in fig. 2, a plurality of second heat dissipation fins 6 are disposed on two sides of the square box 1.

Specifically, the number of the second heat dissipation fins 6 arranged on the side surface of the square box body 1 is also set according to the size of the square box body 1, and may be four, seven, nine, eleven, and the like. The number of the second heat dissipation tooth plates 6 on the two sides can be the same or different, and the second heat dissipation tooth plates 6 on the two sides can be symmetrically arranged or asymmetrically arranged.

Specifically, the material of first heat dissipation tooth 7, second heat dissipation tooth 6 is the same with the material of square box 1, and with square box 1 integrated into one piece to in promote production efficiency. Of course, according to actual requirements, the material of the square box 1 may be different, or the square box 1 may not be integrally formed.

This embodiment sets up the first heat dissipation tine 7 of a plurality of through the bottom surface at square box body 1, can increase the heat radiating area of bottom surface to promote the radiating effect of inductance box that steps up. And a plurality of second heat dissipation tooth plates 6 are arranged on two sides of the square box body 1, so that the heat dissipation areas on two sides of the square box body 1 can be increased, and the heat dissipation effect of the boosting inductance box is further improved.

EXAMPLE III

In another optional embodiment of the present invention, as shown in fig. 2, a waterproof sealing ring 8 is disposed at the wire passing hole 4.

Specifically, waterproof sealing ring 8 sets up on the outer wall of crossing line hole 4 to better dustproof and waterproof. Of course, the wire passing hole can be arranged on the inner wall of the wire passing hole 4 according to actual requirements.

Specifically, the waterproof seal ring 8 is made of silicone rubber and is formed by injection molding. Of course, according to actual requirements, the material can also be selected from silica gel or rubber, and can also be manufactured and molded by other processes such as compression molding and the like.

This embodiment can carry out waterproof dustproof to crossing 4 punishment of wire hole through set up waterproof sealing washer 8 in crossing 4 punishment of wire hole, avoids water and dust to fall into in the inductance box that steps up.

Example four

In another optional embodiment of the present invention, as shown in fig. 5, the boosting inductance box further includes a sealing plug 14 corresponding to the wire passing hole 4, and the sealing plug 14 is provided with a through hole 16 for passing a wire.

Specifically, the number of the sealing plugs 14 is two, the sealing plugs correspond to the wire passing holes 4 arranged at two ends of the square box body 1 respectively, the sealing plugs are made of silicon rubber, and the sealing plugs are formed by injection molding. Of course, according to actual requirements, the material can also be selected from silica gel or rubber, and can also be manufactured and molded by other processes such as compression molding and the like.

Wherein, the sealing plug 14 is used for plugging the wire passing hole 4.

Specifically, as shown in fig. 6, the number of the through holes 16 provided in the sealing plug 14 is the same as the number of the inductors 15, and the aperture of the through hole 16 is set according to the wire diameter of the inductor 15, so as to be able to pass through the wire diameter of the inductor 15. In the present embodiment, the number of perforations 16 is four.

Further, the hole diameter of the wire through hole 4 is gradually reduced from the inside to the outside (not shown in the figure).

Specifically, the gradual reduction from inside to outside means that the gradual reduction is from the inside (inside the boost inductance box) to the outside (outside the boost inductance box) of the wire through hole 4, the reduction degree is set according to actual requirements, and the minimum end can at least pass the wire.

This embodiment is through setting up the sealed end cap 14 that corresponds with crossing line hole 4 to can prevent when the embedment heat-conducting glue, the heat-conducting glue spills from crossing line hole 4. And the aperture of the wire passing hole 4 is set to be a structure gradually reduced from inside to outside, so that after the sealing plug 14 is plugged into the wire passing hole 4, a better sealing effect can be formed by the characteristic that the aperture of the wire passing hole 4 is gradually reduced, and the heat conducting glue is better prevented from leaking from the wire passing hole 4.

EXAMPLE five

The utility model discloses a another optional embodiment, set up corresponding screw hole 11 on the top surface of square box body 1 and the apron 2, apron 2 passes corresponding screw hole 11 fixedly with the top surface of square box body 1 through the screw.

Specifically, the screw holes 11 of the top surface of the square box body 1 are provided on the top surfaces of the side plates thereof.

Specifically, as shown in fig. 3, two sides of the top surface of the square box 1 are respectively provided with a threaded hole 11, as shown in fig. 4, and the positions of the cover plate 2 corresponding to the threaded holes 11 provided on the two sides of the top surface of the square box 1 are also provided with corresponding threaded holes 11, and when the cover plate 2 needs to be covered, the cover plate can be fixed by passing through the corresponding threaded holes 11 through screws.

Of course, according to actual requirements, the threaded holes 11 on the top surface of the square box body 1 can be arranged at any position of any one side plate, the number can be set according to actual requirements, the number can be three, four, six, seven and the like, the positions can be symmetrically arranged, and the positions can also be asymmetrically arranged. Correspondingly, the threaded holes 11 arranged on the cover plate 2 need to correspond to the threaded holes 11 on the top surface of the square box body 1 in number and position.

Further, as shown in fig. 4, the inner edge of the cover plate 2 is provided with a limiting rib 13 corresponding to the groove edge of the square box 1.

Specifically, the inner edge of the cover plate 2 refers to the edge of the inner face of the cover plate 2, and the groove edge of the square box body 1 refers to the edge of the cavity in the square box body 1 corresponding to the cover plate 2.

This embodiment is provided with corresponding screw hole 11 through the top surface at square box body 1 and apron 2 to can realize being connected with dismantling of apron 2 square box body 1, and fixed effect is better, still makes the space of the section bar between square box body 1 and the apron 2 not totally sealed, still has respiratory effect, in order to promote the radiating effect of inductance box that steps up.

And the inner edge of the cover plate is provided with a limiting rib corresponding to the edge of the groove body of the square box body, so that the limiting effect can be achieved before the square box body is fixed with the cover plate, and the installation and the fixation are facilitated.

Of course, according to actual demand, the top surface of square box body 1 and apron 2 also can not set up corresponding screw hole 11, directly fix through the mode of pasting.

To sum up, the embodiment of the utility model provides a supporting part 3 and quick-witted case that can be through 1 both ends of square box body are connected, and the one side of having avoided the inductance box that steps up is direct to be connected with quick-witted case and lead to the inductance box that steps up the condition with the leading-in quick-witted case of temperature, and make contravariant electricity ware box have six and can carry out radiating face body to the radiating effect of inductance box that steps up has been promoted. The heat dissipation area of the bottom surface can be increased, and therefore the heat dissipation effect of the boosting inductance box is improved. The heat dissipation area of the two sides of the square box body 1 can be increased, and therefore the heat dissipation effect of the boosting inductance box is further improved. The wire passing hole 4 can be prevented from being water and dust, and water and dust are prevented from falling into the boosting inductance box. Can prevent that the heat-conducting glue from leaking from the wire through hole 4 when the heat-conducting glue is filled and sealed. After the sealing plug 14 is plugged into the wire passing hole 4, a better sealing effect can be formed by the characteristic that the aperture of the wire passing hole 4 is gradually reduced, so that the heat-conducting glue is better prevented from leaking out of the wire passing hole 4. Can realize square box body 1 and 2 dismantlements of apron to be connected, and fixed effect is better, still makes the space of section bar between square box body 1 and the apron 2 not totally sealed, still has respiratory to the radiating effect of inductance box has promoted to step up. The limiting ribs corresponding to the groove body edges of the square box body are arranged on the inner edge of the cover plate, so that a limiting effect can be achieved before the square box body and the cover plate are fixed, and the cover plate is convenient to install and fix.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A boost inductance box, comprising: the square box comprises a square box body, supporting parts arranged at two ends of the square box body, wire passing holes arranged on the bottom surface of the supporting parts and used for passing wires, mounting holes arranged on the outer wall of the bottom surface of the supporting parts and used for being matched with a case to be mounted, and cover plates arranged on the top surface of the square box body, wherein at least two placing grooves used for mounting inductors are arranged in the square box body.

2. A boost inductance box according to claim 1, wherein the bottom surface of said square box body is provided with a plurality of first heat dissipating fins extending from one end to the other end of the square box body.

3. A boost inductance box according to claim 1 or 2, characterized in that the two sides of said square box body are provided with a plurality of second heat dissipation fins.

4. A boost inductance box according to claim 1, wherein a waterproof seal ring is provided at said wire through hole.

5. A boost inductance box according to claim 1, characterized in that it further comprises a sealing plug corresponding to said wire passing hole, said sealing plug being provided with a through hole for passing a wire.

6. A boost inductor capsule according to claim 5, wherein the aperture of the via hole is tapered from the inside to the outside.

7. A boost inductance box according to claim 1, wherein the top surface of the square box body and the cover plate are provided with corresponding threaded holes, and the cover plate and the top surface of the square box body are fixed by screws passing through the corresponding threaded holes.

8. A boost inductance box according to claim 1, characterized in that the inner edge of the cover plate is provided with a limiting rib corresponding to the edge of the slot body of the square box body.

9. A boost inductance box according to claim 1, characterized in that, the number of the placing slots provided in said square box body is four.

10. A boost inductor capsule according to claim 1, wherein said square capsule and said lid are die cast in one piece.

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