CN215007759U

CN215007759U - Braking resistance device that radiating effect is good

Info

Publication number: CN215007759U
Application number: CN202121418158.2U
Authority: CN
Inventors: 吴联军; 刘梦琪; 苏贤震; 张春祥; 佟力
Original assignee: Dalian Dingli Rail Transit Equipment Co ltd
Current assignee: Dalian Dingli Rail Transit Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a braking resistance device that radiating effect is good, which comprises a mounting bas, the inside fixedly connected with stop collar of mount pad, and the inside of stop collar is provided with the spring, the top of spring is provided with the shell, and the inside fixedly connected with mounting panel of shell to the first spacing knot of top fixedly connected with of mounting panel, the left and right sides at mounting panel top all is provided with the support, and just one side that two sets of supports are relative is provided with supporting component to supporting component's outside is provided with the resistance wire, the right side fixedly connected with curb plate of shell, and the spacing knot of curb plate left side outer wall bottom fixedly connected with second to the right side fixedly connected with subassembly of airing exhaust of curb plate, first thermovent has been seted up to the left side outer wall of shell, and the radiating groove has been seted up at the top of shell. The utility model discloses a cooperation between subassembly, first thermovent and the radiating groove of airing exhaust has improved the radiating effect of device.

Description

Braking resistance device that radiating effect is good

Technical Field

The utility model relates to a brake resistance field, concretely relates to brake resistance device that radiating effect is good.

Background

In the process of the quick stop of the motor, a large amount of regenerative electric energy can still be generated due to inertia, the part of electric energy can directly act on a direct-current part of the frequency converter, the frequency converter is easy to damage, and in order to consume the part of regenerative electric energy and protect the frequency converter, a brake resistor is needed.

The existing brake resistor device directly places the brake resistor element in the air in the use process, does not have a protection structure, the brake resistor element is easy to fall dust, the service life of the brake resistor device is influenced, and the existing brake resistor device is poor in heat dissipation effect.

Therefore, it is necessary to provide a braking resistor device with good heat dissipation effect to solve the above problems.

Disclosure of Invention

The utility model aims at providing a braking resistance device that radiating effect is good through the cooperation between shell, the subassembly of airing exhaust, first thermovent and the radiating groove to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a braking resistance device that radiating effect is good, includes the mount pad, the inside fixedly connected with stop collar of mount pad, and the inside of stop collar is provided with the spring, the top of spring is provided with the shell, and the inside fixedly connected with mounting panel of shell to the first spacing knot of top fixedly connected with of mounting panel, the left and right sides at mounting panel top all is provided with the support, and the relative one side of two sets of supports is provided with supporting component to supporting component's outside is provided with the resistance wire, the right side fixedly connected with curb plate of shell, and curb plate left side outer wall bottom fixedly connected with second spacing knot to the right side fixedly connected with of curb plate subassembly of airing exhaust, first thermovent has been seted up to the left side outer wall of shell, and the radiating groove has been seted up at the top of shell.

Preferably, be the block between shell and the mount pad and be connected, and shell and mount pad all closely laminate with the spring, be the block between spring and the stop collar and be connected, and be welded connection between stop collar and the mount pad.

Preferably, first spacing knot and second spacing knot all are connected with the support block, and the support is symmetrical about the vertical central line of supporting component to be screw fastening connection between support and the supporting component, first spacing knot and second spacing knot respectively with mounting panel and curb plate welded connection, and be screw fastening connection between curb plate and the shell.

Preferably, the supporting component comprises a supporting framework, a duct dredging differentiation pipe and a wiring terminal, the duct dredging differentiation pipe is arranged inside the supporting framework, the duct dredging differentiation pipe is arranged outside the supporting framework, and the wiring terminal is arranged at the tops of the left side and the right side of the supporting framework.

Preferably, the supporting framework and the differentiation tube are symmetrical about the transverse center line of the supporting framework, the differentiation tube is communicated with the dredging tube, and the supporting framework is tightly attached to the resistance wire.

Preferably, the radiating grooves penetrate through the outer surface of the shell at equal intervals, and a fine metal mesh is arranged inside the first limiting buckle.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the air exhaust assembly rotates to blow air flow to the supporting assembly and the resistance wire, when the air flow is subjected to primary differentiation through the supporting framework in the supporting assembly, secondary differentiation is performed through the dredging pipe communicated with the supporting framework, the resistance wire outside the supporting framework is subjected to cooling treatment, heat flow in the shell is discharged through the first heat dissipation port and the heat dissipation groove, and therefore the interior of the shell is cooled, the temperature of the resistance wire is reduced, and the heat dissipation effect of the device is improved through the matching of the air exhaust assembly, the first heat dissipation port and the heat dissipation groove;

2. through the cooperation of first spacing knot and second spacing knot, the position to the support is injectd, inject supporting component's position through the support, thereby guarantee the stability of supporting component and resistance wire, and the setting up of shell provides outside protection for supporting component and resistance wire, when meetting the collision, shell extrusion spring slides in the mount pad, reaction force through the spring provides shock attenuation and buffering for the shell, thereby improve the security of supporting component and resistance wire, improve the holistic security of device, the fine and close metal mesh that sets up in the radiating groove can effectively prevent that the mosquito from getting into inside the shell simultaneously, further improve the holistic security of device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure inside the housing of the present invention;

fig. 4 is a schematic view of a first perspective three-dimensional structure of the support assembly of the present invention;

fig. 5 is a schematic view of a second perspective three-dimensional structure of the supporting assembly of the present invention.

Description of reference numerals:

1. a mounting seat; 2. a limiting sleeve; 3. a spring; 4. a housing; 5. mounting a plate; 6. a first limit buckle; 7. a support; 8. a support assembly; 81. a support framework; 82. a dredging pipe; 83. a differentiation tube; 84. a wiring terminal; 9. a resistance wire; 10. a side plate; 11. a second limit buckle; 12. an air exhaust assembly; 13. a first heat dissipation port; 14. a heat dissipation groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a brake resistance device with good heat dissipation effect as shown in figures 1-5, which comprises a mounting base 1, wherein the inside of the mounting base 1 is fixedly connected with a spacing sleeve 2, the inside of the spacing sleeve 2 is provided with a spring 3, the top of the spring 3 is provided with a shell 4, the inside of the shell 4 is fixedly connected with a mounting plate 5, the top of the mounting plate 5 is fixedly connected with a first spacing buckle 6, the left side and the right side of the top of the mounting plate 5 are both provided with a bracket 7, one side of the two groups of brackets 7 opposite to each other is provided with a supporting component 8, the outside of the supporting component 8 is provided with a resistance wire 9, the right side of the shell 4 is fixedly connected with a side plate 10, the bottom of the outer wall at the left side of the side plate 10 is fixedly connected with a second spacing buckle 11, the right side of the side plate 10 is fixedly connected with an air exhaust component 12, the outer wall at the left side of the shell 4 is provided with a first heat dissipation port 13, and the top of the housing 4 is opened with a heat sink 14.

Further, in above-mentioned technical scheme, be the block connection between shell 4 and the mount pad 1, and shell 4 and mount pad 1 all closely laminate with spring 3, be the block connection between spring 3 and the stop collar 2, and be welded connection between stop collar 2 and the mount pad 1, when meetting the collision, shell 4 extrusion spring 3 slides in mount pad 1, provides shock attenuation and buffering for shell 4 through the reaction force of spring 3 to improve the security of supporting component 8 and resistance wire 9.

Further, in the above technical scheme, the first limit buckle 6 and the second limit buckle 11 are connected with the bracket 7 in a clamping manner, the bracket 7 is symmetrical about the longitudinal center line of the support component 8, the bracket 7 is connected with the support component 8 in a screw fastening manner, the first limit buckle 6 and the second limit buckle 11 are respectively connected with the mounting plate 5 and the side plate 10 in a welding manner, the side plate 10 is connected with the housing 4 in a screw fastening manner, the position of the bracket 7 is limited through the matching of the first limit buckle 6 and the second limit buckle 11, and the position of the support component 8 is limited through the bracket 7, so that the stability of the support component 8 and the resistance wire 9 is ensured.

Further, in the above technical scheme, the supporting component 8 includes that the supporting framework 81 is used for dredging the pipe 82 and is divided into the pipe 83 and the wiring terminal 84, and the pipe 82 is dredged to the inside of the supporting framework 81, the pipe 83 is seted up to the outside of the supporting framework 81, and the wiring terminal 84 is arranged on the top of the left side and the right side of the supporting framework 81.

Further, in the above technical solution, the supporting framework 81 and the differentiation tube 83 are symmetrical about the transverse center line of the supporting framework 81, the differentiation tube 83 is communicated with the dredging tube 82, and the supporting framework 81 is tightly attached to the resistance wire 9, when the airflow is primarily differentiated through the supporting framework 81 in the supporting assembly 8, and is secondarily differentiated through the dredging tube 82 communicated with the supporting framework 81, the temperature of the resistance wire 9 outside the supporting framework 81 is reduced.

Furthermore, in the above technical solution, the heat dissipation grooves 14 are distributed on the outer surface of the housing 4 at equal intervals, and a fine metal mesh is arranged inside the first limit buckle 6, so as to prevent external mosquitoes from entering the device and damaging internal elements under the condition of ensuring heat dissipation.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device works, the resistance wire 9 generates a large amount of heat, the exhaust component 12 in the device rotates by electricity to blow airflow to the supporting component 8 and the resistance wire 9, when the airflow is divided for the first time through the supporting framework 81 in the supporting component 8, the airflow is divided for the second time through the dredging pipe 82 communicated with the supporting framework 81, the resistance wire 9 outside the supporting framework 81 is cooled, and heat flow in the shell 4 is finally discharged through the first heat dissipation port 13 and the heat dissipation groove 14, so that the inside of the shell 4 is cooled, the temperature of the resistance wire 9 is reduced, and the heat dissipation effect of the device is improved through the cooperation of the exhaust component 12, the first heat dissipation port 13 and the heat dissipation groove 14;

through the cooperation of first limit buckle 6 and second limit buckle 11 in the device, prescribe a limit to the position of support 7, prescribe a limit to the position of supporting component 8 through support 7, thereby guarantee the stability of supporting component 8 and resistance wire 9, and setting up of shell 4 provides outside protection for supporting component 8 and resistance wire 9, when meetting the collision, shell 4 extrudees spring 3 and slides in mount pad 1, reaction force through spring 3 provides shock attenuation and buffering for shell 4, thereby improve the security of supporting component 8 and resistance wire 9, improve the holistic security of device, the fine and close metal mesh that sets up in the radiating groove 14 simultaneously can effectively prevent that the mosquito from getting into inside shell 4, further improve the holistic security of device.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a braking resistance device that radiating effect is good, includes mount pad (1), its characterized in that: the air conditioner is characterized in that a limiting sleeve (2) is fixedly connected inside the mounting seat (1), a spring (3) is arranged inside the limiting sleeve (2), a shell (4) is arranged at the top of the spring (3), a mounting plate (5) is fixedly connected inside the shell (4), a first limiting buckle (6) is fixedly connected at the top of the mounting plate (5), brackets (7) are arranged on the left side and the right side of the top of the mounting plate (5), a supporting assembly (8) is arranged on one side of the two groups of brackets (7) opposite to each other, a resistance wire (9) is arranged outside the supporting assembly (8), a side plate (10) is fixedly connected on the right side of the shell (4), a second limiting buckle (11) is fixedly connected at the bottom of the outer wall on the left side of the side plate (10), an air exhaust assembly (12) is fixedly connected on the right side of the side plate (10), and a first heat radiating hole (13) is formed in the outer wall on the left side of the shell (4), and the top of the shell (4) is provided with a heat dissipation groove (14).

2. The braking resistor device with good heat dissipation effect as claimed in claim 1, wherein: be connected for the block between shell (4) and mount pad (1), and shell (4) and mount pad (1) all laminate with spring (3) closely, be connected for the block between spring (3) and stop collar (2), and be welded connection between stop collar (2) and mount pad (1).

3. The braking resistor device with good heat dissipation effect as claimed in claim 1, wherein: first spacing knot (6) and second spacing knot (11) all are connected with support (7) block, and support (7) are symmetrical about the vertical central line of supporting component (8) to be the screw fastening connection between support (7) and supporting component (8), first spacing knot (6) and second spacing knot (11) respectively with mounting panel (5) and curb plate (10) welded connection, and be the screw fastening connection between curb plate (10) and shell (4).

4. The braking resistor device with good heat dissipation effect as claimed in claim 1, wherein: support assembly (8) are dredged pipe (82) differentiation pipe (83) and binding post (84) including supporting framework (81), and have seted up in the inside of supporting framework (81) and have dredged pipe (82), differentiation pipe (83) have been seted up to the outside of supporting framework (81), and the left and right sides top of supporting framework (81) all is provided with binding post (84).

5. The braking resistor device with good heat dissipation effect as claimed in claim 4, wherein: the supporting framework (81) and the differentiation tube (83) are symmetrical about the transverse central line of the supporting framework (81), the differentiation tube (83) is communicated with the dredging tube (82), and the supporting framework (81) is tightly attached to the resistance wire (9).

6. The braking resistor device with good heat dissipation effect as claimed in claim 1, wherein: the radiating grooves (14) penetrate through the outer surface of the shell (4) at equal intervals, and a fine metal mesh is arranged inside the first limiting buckle (6).