CN210984415U - Resistance box of metal tube type brake resistor - Google Patents

Abstract

The utility model discloses a resistance box of metal tube type brake resistance in the technical field of resistors, which comprises a lower base, an upper base, tube type resistors and a leading-out rod, wherein the front and the back of the outer wall of one side of the upper base opposite to the lower base are equidistantly provided with a groove, the front and the back of the joint of the outer wall of one side of the upper base opposite to the lower base and the groove are both provided with grooves, the front end surfaces of the two groups of U-shaped fixed plates at the front side are fixedly connected with a heat radiation fan, the circulation speed of air between heat radiation fins is accelerated by the heat radiation fan, the area of the exposed tube type resistors is increased by the groove, the heat emitted by the outer wall of the exposed part of the tube type resistors is taken away by the air flow which flows fast outside the groove, thereby achieving the purpose of heat radiation, the tube type resistors in the groove are isolated by a supporting block, further improving the heat dissipation effect.

Description

Resistance box of metal tube type brake resistor

Technical Field

The utility model relates to a resistor technical field specifically is a resistance box of metal tubular braking resistance.

Background

Tubular brake resistance can produce a large amount of heats when the operation, is in the life of high temperature environment meeting greatly reduced tubular resistance for a long time, and the conventional method of dispelling the heat for the benefit is the space of placing when increasing the installation, leans on resistance wire self to dispel the heat, and the volume of tubular resistance installation can be increased to this kind of processing method, and the radiating effect is not ideal, for this reason, we propose a resistance box of metal tubular brake resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a resistance box of metal tubular brake resistance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a resistance box of a metal tube type brake resistor comprises a lower base, an upper base, a tube type resistor and a lead-out rod, wherein the upper base is buckled at the top of the lower base, the outer wall of one side, opposite to the lower base, of the upper base is provided with slots which are communicated with the front and the back in an equidistance manner, heat dissipation fins are movably inserted in the slots, jacks are arranged on the outer walls of the front and the back sides of the heat dissipation fins, U-shaped fixing plates are slidably connected with the outer walls of the front and the back sides of the upper base and the lower base, inserting blocks matched with the jacks are arranged on the inner walls of the two groups of U-shaped fixing plates on the same side in the front and the back, screws are inserted into the outer walls of the left and the right sides of the U-shaped fixing plates in a threaded manner, screw holes matched with the screws are arranged on the outer walls of the left and the right sides of the upper base and, tubular resistor sets up in the recess, just tubular resistor's both ends all extend to base right side outer wall down and are provided with and draw forth the stick, and the front side is two sets of the preceding terminal surface fixedly connected with radiator fan of U type fixed plate.

Furthermore, the cross section of the groove is semicircular, supporting blocks are arranged on the left side and the right side of the inner wall of the groove at equal intervals, the groove is connected with the groove through a channel, and the channel is located between the two groups of supporting blocks which are adjacent to each other on the left side and the right side.

Further, the U-shaped fixing plate is a heat insulation plate.

Furthermore, the supporting shoe is round platform form, the diameter that the supporting shoe is close to tubular resistor outer wall one end is less than with the diameter of recess inner wall connection one end, just the outer wall of supporting shoe and tubular resistor contact one side is provided with the arc and holds in the palm the groove with tubular resistor outer wall matched with.

Furthermore, the heat dissipation fins are long strips.

Compared with the prior art, the beneficial effects of the utility model are that: through cooling blower with higher speed the circulation speed of air between the heat dissipation wing, increase the tubular resistance area that exposes again through the fluting, the air current of quick flow outside the fluting will take away the heat that tubular resistance exposes the department outer wall and gives off to reach the heat dissipation purpose, and the tubular resistance in the recess is kept apart by the supporting shoe, and the air current of quick flow outside the fluting will take away the heat that tubular resistance distributes in the recess through passageway and fluting at this in-process, further improves the radiating effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the upper base and the lower base of the present invention;

fig. 3 is a right side view of the present invention.

In the figure: 1. a lower base; 2. an upper base; 3. heat dissipation fins; 4. a jack; 5. a groove; 6. a tubular resistor; 7. leading out a rod; 8. a U-shaped fixing plate; 9. a heat radiation fan; 10. grooving; 11. a channel; 12. and (7) a supporting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a technical scheme: a resistance box of a metal tube type brake resistor has the advantage of high-efficiency heat dissipation, please refer to fig. 1-2, which comprises a lower base 1, an upper base 2, a tube type resistor 6 and a lead-out rod 7, wherein the tube type resistor 6 is in a curve shape, the curve shape is more favorable for increasing the heat dissipation area of the resistor and improving the power of the whole resistor, the more the bending quantity is, the more favorable for increasing the heat dissipation area and the power of the resistor, the lead-out rod 7 is arranged at the end part of the tube type resistor 6, a seal head is used for sealing the interior of the tube type resistor 6, the lead-out rod 7 is used for connecting external equipment, the upper base 2 is buckled at the top of the lower base 1, slots which are communicated from front to back are arranged on the outer wall of the opposite side of the upper base 2 and the lower base 1 in a left-right equidistance manner, heat dissipation fins 3 are movably inserted in the slots, jacks 4 are arranged, the inner wall of one side of the U-shaped fixing plates 8 opposite to the two groups of U-shaped fixing plates 8 on the same side in front and back is provided with an inserting block matched with the inserting hole 4, the outer walls of the left side and the right side of the U-shaped fixing plates 8 are inserted with screws in a threaded manner, the outer walls of the left side and the right side of the upper base 2 and the lower base 1 are provided with screw holes matched with the screws, when the heat dissipation fins 3 are installed, the U-shaped fixing plates are firstly inserted into the inserting grooves, then the U-shaped fixing plates 8 are inserted and fixed on the bases (the upper base 2 and the lower base 1) through the screws, at the moment, the heat dissipation fan 9 is also installed in place, when heat dissipation is carried out, the heat dissipation fan 9 accelerates the flow of air between the two adjacent groups of heat dissipation fins 3 in left and right directions, the heat dissipation effect of the tubular resistor 6 is improved, grooves 5 are formed in the front end and the rear end of the joint of the outer wall of one side, opposite to the upper base 2 and the lower base 1, of the groove 10, the tubular resistor 6 is arranged in the grooves 5, the two ends of the tubular resistor 6 extend to the outer wall of the right side of the lower base 1 and are provided with leading-out bars 7, and the front end faces of the two groups of U-shaped fixing plates 8 on the front side are fixedly connected with cooling fans 9;

referring to fig. 3, the cross section of the groove 5 is semicircular, the supporting blocks 12 are equidistantly arranged on the left and right of the inner wall of the groove 5, the slot 10 is connected with the groove 5 through the channel 11, the channel 11 is positioned between the two groups of supporting blocks 12 adjacent to each other on the left and right, the supporting blocks 12 isolate the groove 5 from the tubular resistor 6, and the airflow flowing rapidly between the radiating fins 3 takes out the heat emitted by the tubular resistor 6 through the channel 11 and the slot 10, so that the radiating effect is improved;

referring to fig. 2, the U-shaped fixing plate 8 is a heat insulation plate to prevent heat generated by the substrate (the upper base 2 and the lower base 1) from being transferred to the heat dissipation fan 9 through the U-shaped fixing plate 8, which affects normal operation of the heat dissipation fan 9;

referring to fig. 3, the supporting block 12 is in the shape of a circular truncated cone, the diameter of the end, close to the outer wall of the tubular resistor 6, of the supporting block 12 is smaller than the diameter of the end, connected with the inner wall of the groove 5, so that the supporting and isolating effects are achieved, the contact area is reduced to improve the heat dissipation effect, and an arc-shaped bracket matched with the outer wall of the tubular resistor 6 is arranged on the outer wall of the side, in contact with the tubular resistor 6, of the supporting block;

referring to fig. 1, the heat dissipation fins 3 are long and are matched with the U-shaped fixing plate 8 for easy detachment and installation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a resistance box of metal tube formula braking resistance, includes lower base (1), upper base (2), tubular resistance (6) and draws forth stick (7), its characterized in that: the upper base (2) is buckled at the top of the lower base (1), the left and right outer walls of one side of the upper base (2), which is opposite to the lower base (1), are provided with slots which are communicated with each other in a front-back manner at equal intervals, heat dissipation fins (3) are movably inserted in the slots, the outer walls of the front and back sides of the heat dissipation fins (3) are provided with insertion holes (4), the outer walls of the front and back sides of the upper base (2) and the lower base (1) are connected with U-shaped fixing plates (8) in a sliding manner, the inner walls of the opposite sides of the two groups of U-shaped fixing plates (8) at the same front and back sides are provided with insertion blocks matched with the insertion holes (4), the outer walls of the left and right sides of the U-shaped fixing plates (8) are all inserted with screws in a threaded manner, the outer walls of the left and right sides of the upper base (2) and, the utility model discloses a heat dissipation device, including upper base (2) and lower base (1), both ends all are provided with recess (5) around relative one side outer wall of upper base and fluting (10) junction, tubular resistor (6) set up in recess (5), just the both ends of tubular resistor (6) all extend to base (1) right side outer wall down and are provided with and draw forth stick (7), and the front side is two sets of the preceding terminal surface fixedly connected with radiator fan (9) of U type fixed plate (8).

2. The resistance box of the metal tube type brake resistor as claimed in claim 1, wherein: the section of the groove (5) is semicircular, supporting blocks (12) are arranged on the inner wall of the groove (5) in the left and right sides at equal intervals, the groove (10) is connected with the groove (5) through a channel (11), and the channel (11) is located between the left and right adjacent two groups of supporting blocks (12).

3. The resistance box of the metal tube type brake resistor as claimed in claim 1, wherein: the U-shaped fixing plate (8) is a heat insulation plate.

4. The resistance box of the metal tube type brake resistor as recited in claim 2, wherein: the supporting shoe (12) is round table-shaped, the diameter of one end, close to the outer wall of the tubular resistor (6), of the supporting shoe (12) is smaller than that of one end, connected with the inner wall of the groove (5), of the supporting shoe (12), and an arc-shaped bracket matched with the outer wall of the tubular resistor (6) is arranged on the outer wall of one side, in contact with the tubular resistor (6), of the supporting shoe (12).

5. The resistance box of the metal tube type brake resistor as claimed in claim 1, wherein: the heat dissipation fins (3) are long strips.

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