CN215731132U

CN215731132U - Heat-resistant and moisture-resistant metal oxide film resistor

Info

Publication number: CN215731132U
Application number: CN202122177731.1U
Authority: CN
Inventors: 马建东
Original assignee: Shenzhen Dongling Electronics Co ltd
Current assignee: Shenzhen Dongling Electronics Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-01
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a heat-resistant and moisture-resistant metal oxide film resistor, which comprises a resistor shell, and is provided with a heat dissipation assembly, wherein the heat dissipation assembly comprises a chute fixedly arranged on the inner wall of the upper end of the resistor shell, the left side and the right side of the chute are fixedly connected with a group of fixed blocks, the upper end surfaces of the two groups of fixed blocks are fixedly connected with the inner wall of the upper end of the resistor shell, a group of screw rods are rotatably connected between the two groups of fixed blocks, one end of each screw rod is fixedly connected with the output end of a driving motor, the driving motor is fixedly arranged on the left side of the fixed block on the left side, the outer side of each screw rod is sleeved with a threaded sleeve in a threaded manner, the upper end surface of each threaded sleeve is in sliding connection with the chute, and the lower end of each threaded sleeve is fixedly connected with a heat dissipation fan which can dissipate heat of high temperature in the resistor shell, so that the high temperature phenomenon cannot occur in the resistor shell, and the heat resistance of the resistor is improved, is convenient and suitable for wide popularization.

Description

Heat-resistant and moisture-resistant metal oxide film resistor

Technical Field

The utility model relates to the technical field of resistor design, in particular to a heat-resistant and moisture-resistant metal oxide film resistor.

Background

The high-power resistor is required to have higher power, has the characteristics of overload, pulse resistance and the like, is widely applied to various fields, usually realizes the high-power requirement by connecting a plurality of resistors in parallel, and has the advantages of safety, high precision and the like by connecting a plurality of resistors in parallel.

Similarly, a large amount of heat is generated when a high-power resistor, especially a metal oxide film fixed resistor, is operated and often operated in a high-temperature environment, which leads to a high temperature of the resistor, and the high-temperature environment will affect the service life and high-temperature stability of the resistor, which is troublesome, so a heat-resistant and moisture-resistant metal oxide film resistor is proposed to solve the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a heat-resistant and moisture-resistant metal oxide film resistor, which solves the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a heat-resistant and moisture-resistant metal oxide film resistor comprises a resistor housing and a heat dissipation component, the heat dissipation component is used for dissipating heat of the interior of the resistor shell and is fixedly arranged in the interior of the resistor shell, the heat dissipation assembly comprises a sliding groove which is fixedly arranged on the inner wall of the upper end of the resistor shell, a group of fixed blocks are fixedly connected with the left side and the right side of the sliding chute, the upper end surfaces of the two groups of fixed blocks are fixedly connected with the inner wall of the upper end of the resistor shell, a group of screw rods are rotatably connected between the two groups of fixed blocks, one end of the screw is fixedly connected with the output end of a driving motor, the driving motor is fixedly arranged on the left side of the left side fixing block, the outer side thread sleeve of the screw rod is provided with a thread sleeve, the upper end face of the thread sleeve is connected with the sliding groove in a sliding mode, and the lower end of the thread sleeve is fixedly connected with a cooling fan.

As a further scheme of the utility model: the resistor is characterized in that a plurality of groups of radiating holes are fixedly formed in the left side wall and the right side wall of the resistor shell, and waterproof assemblies are fixedly arranged on opposite surfaces of the radiating holes.

As a further scheme of the utility model: waterproof assembly includes the slide, slide sliding connection is on the left and right sides inner wall of resistor shell, and is two sets of all the regulation is connected with a set of rack on the opposite face of slide, rotates on the back inner wall of resistor shell and is connected with two sets of pivots, and is two sets of the one end of pivot all with the output fixed connection who rotates the motor, it is two sets of rotate the equal fixed mounting of motor at the back of resistor shell, it is two sets of the equal fixed cover in the outside of pivot is equipped with a set of gear, and is two sets of the gear all meshes with the rack of both sides mutually.

As a further scheme of the utility model: and dustproof filter screens are fixedly arranged at the outer sides of the heat dissipation holes.

As a further scheme of the utility model: the front side of the resistor shell is fixedly provided with a box door, and the box door is connected with the resistor shell through two groups of hinges.

As a further scheme of the utility model: and a handle is fixedly arranged on the box door.

As a still further scheme of the utility model: the outer side of the resistor shell is fixedly connected with a waterproof layer, and the inner side of the resistor shell is fixedly connected with a dry cotton layer.

Compared with the prior art, the utility model has the beneficial effects that: this heat-resisting moisture-proof metal oxide film resistor through setting up radiator unit, can carry out the heat extraction to the inside high temperature that appears of resistor shell for the high temperature phenomenon can not appear in the inside of resistor shell, thereby avoids the inside part of resistor shell the soft phenomenon of softening can not appear, and then great increase the life of resistor shell internals, improved the heat-resisting ability of this resistor.

This heat-resisting moisture-proof metal oxide film resistor, through setting up waterproof assembly, can be under the condition that meets water, drive slide downstream through rotating the motor, thereby shelter from the louvre, avoided water to lead to the impaired emergence of the inside part of resistor shell problem after the louvre flows in, under the condition that does not have water, it can drive slide upstream to rotate the motor, thereby can dispel the heat to the inside of resistor shell, the convenience of device has been increased, convenient for comparison, and the wide popularization is adapted to.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural view of the back side of the present invention.

Fig. 3 is a schematic view of the internal structure of the resistor housing according to the present invention.

Fig. 4 is a schematic structural view of a waterproof layer according to the present invention.

Wherein: 1. a resistor housing; 2. a chute; 3. a fixed block; 4. a screw; 5. a drive motor; 6. a threaded sleeve; 7. a heat radiation fan; 8. a slide plate; 9. a rack; 10. a rotating shaft; 11. rotating the motor; 12. a gear; 13. heat dissipation holes; 14. a dustproof filter screen; 15. a box door; 16. a hinge; 17. a handle; 18. a waterproof layer; 19. the cotton layer is dried.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in the embodiment of the present invention, a heat-resistant and moisture-resistant metal oxide film resistor includes a resistor housing 1, and further includes a heat dissipation assembly, the heat dissipation assembly is configured to dissipate heat inside the resistor housing 1, the heat dissipation assembly is fixedly disposed inside the resistor housing 1, the heat dissipation assembly includes a sliding chute 2, the sliding chute 2 is fixedly disposed on an inner wall of an upper end of the resistor housing 1, so as to facilitate the left and right movement of a threaded sleeve 6, and simultaneously guide the threaded sleeve 6, a set of fixed blocks 3 is fixedly connected to both left and right sides of the sliding chute 2, and is configured to support a fixed screw 4, upper end surfaces of the two sets of fixed blocks 3 are fixedly connected to an inner wall of the upper end of the resistor housing 1, a set of screw 4 is rotatably connected between the two sets of fixed blocks 3, and is configured to drive the threaded sleeve 6 to move left and right, and one end of the screw 4 is fixedly connected to an output end of a driving motor 5, drive motor 5 fixed mounting is in the left side of left side fixed block 3 for drive screw rod 4 rotates, the outside thread bush of screw rod 4 is equipped with thread bush 6, is used for driving radiator fan 7 and removes about, thread bush 6's up end and 2 sliding connection of spout, thread bush 6's lower extreme fixedly connected with radiator fan 7 can dispel the heat to the inside of resistor shell 1.

All fixedly on the wall of the left and right sides of resistor shell 1 has seted up multiunit louvre 13, can be to the further heat dissipation of the inside of resistor shell 1, both sides fixedly on the opposite face of louvre 13 is provided with waterproof component.

Waterproof assembly includes

slide

8, 8 sliding connection of slide is used for sheltering from louvre 13 on the left and right sides inner wall of resistor shell 1, and is two sets of all the regulation is connected with a set of rack 9 on the opposite face of slide 8, can drive slide 8 and reciprocate, rotates on the back inner wall of resistor shell 1 and is connected with two sets of pivots 10, is used for driving gear 12 and rotates, and is two sets of the one end of pivot 10 all with the output fixed connection who rotates motor 11, two sets of rotate the equal fixed mounting in the back of resistor shell 1 of motor 11, be used for driving pivot 10 and rotate, it is two sets of the equal fixed cover in the outside of pivot 10 is equipped with a set of gear 12, is used for driving rack 9 and reciprocates, and is two sets of gear 12 all meshes with the rack 9 of both sides mutually.

The outer sides of the heat dissipation holes 13 on the two sides are fixedly provided with dustproof filter screens 14, so that dust can be prevented from entering the resistor shell 1 through the heat dissipation holes 13.

The front side of the resistor shell 1 is fixedly provided with a box door 15, so that a worker can conveniently open the box door 15 to overhaul the inside of the resistor shell 1, and the box door 15 is connected with the resistor shell 1 through two groups of hinges 16. The door 15 is fixedly provided with a handle 17, which is convenient for the staff to open the door 15.

Example 2

The difference from example 1 is: the outside fixedly connected with waterproof layer 18 of resistor shell 1 can prevent that water from getting into the inside of resistor shell 1, the inboard fixedly connected with of resistor shell 1 dries cotton layer 19, can carry out the drying to the inside of resistor shell 1.

The working principle of the utility model is as follows: when the heat dissipation device is used, when the interior of the resistor shell 1 needs to be subjected to heat dissipation, the driving motor 5 is started, the driving motor 5 drives the screw rod 4 to rotate, the screw rod 4 drives the threaded sleeve 6 to slide left and right in the sliding groove 2, and the threaded sleeve 6 drives the heat dissipation fan 7 to move left and right, so that the interior of the resistor shell 1 can be subjected to uniform heat dissipation; when having the circumstances of water, start two sets of rotation motors 11, rotate motor 11 and drive pivot 10 and rotate, pivot 10 drives gear 12 and rotates, and gear 12 drives rack 9 and moves down, and rack 9 drives slide 8 and moves down to block up the louvre 13 of both sides, prevent that water from the inside that louvre 13 got into resistor shell 1, played waterproof effect.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The heat-resistant and moisture-resistant metal oxide film resistor comprises a resistor shell (1) and is characterized by further comprising a heat dissipation assembly, wherein the heat dissipation assembly is used for dissipating heat inside the resistor shell (1), the heat dissipation assembly is fixedly arranged inside the resistor shell (1), the heat dissipation assembly comprises a sliding chute (2), the sliding chute (2) is fixedly arranged on the inner wall of the upper end of the resistor shell (1), a set of fixing blocks (3) are fixedly connected to the left side and the right side of the sliding chute (2), the upper end faces of the two sets of fixing blocks (3) are fixedly connected with the inner wall of the upper end of the resistor shell (1), a set of screw rods (4) are rotatably connected between the two sets of fixing blocks (3), one ends of the screw rods (4) are fixedly connected with the output end of a driving motor (5), and the driving motor (5) is fixedly arranged on the left side of the fixing block (3), the outer side thread sleeve of the screw rod (4) is provided with a thread sleeve (6), the upper end face of the thread sleeve (6) is in sliding connection with the sliding groove (2), and the lower end of the thread sleeve (6) is fixedly connected with a cooling fan (7).

2. The heat and moisture resistant metal oxide film resistor as claimed in claim 1, wherein a plurality of heat dissipation holes (13) are fixedly formed on both left and right sidewalls of the resistor housing (1), and a waterproof member is fixedly disposed on an opposite surface of the heat dissipation holes (13) on both sides.

3. The heat-resistant and moisture-resistant metal oxide film resistor as claimed in claim 2, wherein the waterproof assembly comprises sliding plates (8), the sliding plates (8) are slidably connected to inner walls of left and right sides of the resistor housing (1), a set of racks (9) are respectively and regularly connected to opposite surfaces of two sets of the sliding plates (8), two sets of rotating shafts (10) are rotatably connected to inner walls of the back of the resistor housing (1), one ends of the two sets of the rotating shafts (10) are fixedly connected to output ends of rotating motors (11), two sets of the rotating motors (11) are fixedly mounted on the back of the resistor housing (1), a set of gears (12) are respectively and fixedly sleeved on outer sides of the two sets of the rotating shafts (10), and the two sets of the gears (12) are respectively meshed with the racks (9) on two sides.

4. The resistor as claimed in claim 2, wherein a dust-proof filter (14) is fixed outside the heat dissipation holes (13).

5. The heat and moisture resistant metal oxide film resistor as claimed in claim 1, wherein a door (15) is fixedly mounted on the front surface of the resistor housing (1), and the door (15) is connected to the resistor housing (1) through two sets of hinges (16).

6. The resistor according to claim 5, wherein a handle (17) is fixedly disposed on the door (15).

7. The heat and moisture resistant metal oxide film resistor as claimed in claim 1, wherein a waterproof layer (18) is fixedly connected to the outside of the resistor housing (1), and a dry cotton layer (19) is fixedly connected to the inside of the resistor housing (1).