CN217788114U

CN217788114U - High-temperature-resistant low-noise winding resistor

Info

Publication number: CN217788114U
Application number: CN202221160148.8U
Authority: CN
Inventors: 马建东
Original assignee: Shenzhen Dongling Electronics Co ltd
Current assignee: Shenzhen Dongling Electronics Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-11
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a high temperature resistant low noise wire winding resistor, protection casing bottom one side inner wall fixedly connected with fixed block, the protection casing inner wall is provided with soundproof cotton, and soundproof cotton fixedly connected with spring is run through to the fixed block upper end, spring top fixedly connected with joint piece, and joint piece upper end one side inner wall is arc shape, and fixed block, spring and joint piece quantity are four, the utility model has the advantages of it is following: carry out the joint through spring and joint piece with resistor insulating casing and fix, avoid causing the damage owing to rocking, through the soundproof cotton of protection casing inside, effectually give sound insulation to wire winding resistor during operation, air intake through the protection casing, exhaust pipe and exhaust fan, make and get into the air from the air intake through the exhaust fan and discharge from the exhaust pipe again, thereby take away the inside heat of protection casing and cool down, through the sealing washer on dust screen on the air intake and the protection casing, effectively prevent that the dust from getting into.

Description

High-temperature-resistant low-noise winding resistor

Technical Field

The utility model relates to a resistor technical field, concretely relates to high temperature resistant low noise wire resistor ware.

Background

The wire-wound resistor is made by winding constantan wire or manganese copper wire on an insulating framework, so that the wire-wound resistor is frequently used for regulating circuit work in various industries.

At present, when the winding resistor is used, the winding resistor is prone to generating noise and heat, so that interference can be avoided for surrounding workers, and meanwhile, the heat generated by the winding resistor is not discharged, and the winding resistor is prone to being damaged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that, at present when using winding resistor, winding resistor often can the noise appear and produce the heat to this can lead to the fact the interference to staff on every side inevitable, and produces thermal heat simultaneously and not discharge and lead to winding resistor to damage easily, so provide a high temperature resistant low noise winding resistor, make it solve above problem.

The utility model provides a technical scheme that technical problem adopted is: a high temperature resistant low noise wire-wound resistor, comprising: the protection casing, protection casing bottom one side inner wall fixedly connected with fixed block, the protection casing inner wall is provided with soundproof cotton, soundproof cotton fixedly connected with spring is run through to the fixed block upper end, spring top fixedly connected with joint piece, joint piece upper end one side inner wall is the arc shape, fixed block, spring and joint piece quantity are four, block the noise at wire winding resistor during operation through soundproof cotton, are convenient for fix resistor insulating housing through spring and joint piece, avoid resistor insulating housing to rock simultaneously and cause the damage.

As a preferred technical scheme of the utility model, joint piece upper end joint has resistor insulating casing, resistor insulating casing one end is provided with the pin cap, and the personnel of being convenient for through pin cap and pin pole wiring.

As an optimal technical scheme of the utility model, the inside skeleton texture that is provided with of resistor insulating casing, the winding of skeleton texture outer wall has the resistance wire, through resistance wire control circuit electric current.

As a preferred technical scheme of the utility model, one side that the pin cap is opposite with resistor insulating casing is provided with the pin pole, pin pole one end is provided with the sealing washer, sealing washer fixed connection protection casing is convenient for fix the pin pole through the sealing washer, prevents inside the dust entering protection casing simultaneously.

As a preferred technical scheme of the utility model, protection casing bottom one side outer wall is provided with the air intake, the air intake bottom is provided with the dust screen, is convenient for make carry out the protection casing inside behind the filtration dust through air intake and dust screen.

As a preferred technical scheme of the utility model, protection casing top one side outer wall is provided with the exhaust pipe, the exhaust pipe is kept away from protection casing one end and is provided with the exhaust fan, is convenient for make the inside air escape of protection casing through the exhaust fan.

The utility model has the advantages of it is following: carry out the joint through spring and joint piece with resistor insulating casing and fix, avoid causing the damage owing to rocking, through the soundproof cotton of protection casing inside, effectually give sound insulation to wire winding resistor during operation, air intake, exhaust pipe and exhaust fan on through the protection casing make through the exhaust fan with the air from the air intake get into again from the exhaust pipe discharge to take away the inside heat of protection casing and cool down.

Drawings

FIG. 1 is a schematic cross-sectional view of a protective cover according to a preferred embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of the insulating housing of the resistor according to the preferred embodiment of the present invention;

fig. 3 is a schematic diagram of the structure of the clamping block according to the preferred embodiment of the present invention.

Description of the reference numerals: 1. a protective cover; 2. a fixed block; 3. sound insulation cotton; 4. a spring; 5. a clamping block; 6. a resistor insulating housing; 7. a lead cap; 8. a framework structure; 9. a resistance wire; 10. a pin bar; 11. a seal ring; 12. an air inlet; 13. a dust screen; 14. an exhaust duct; 15. an exhaust fan.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-3, the present invention provides a high temperature resistant low noise winding resistor, which includes: protection casing 1, 1 bottom one side inner wall fixedly connected with fixed block 2 of protection casing, 1 inner wall of protection casing is provided with soundproof cotton 3, block the noise through soundproof cotton 3, 3 fixedly connected with springs 4 of soundproof cotton are run through to 2 upper ends of fixed block, fix resistor insulating housing 6 through springs 4 and joint piece 5, and cause the damage when avoiding 6 vibrations of resistor insulating housing, 4 top fixedly connected with joint pieces 5 of springs, 5 upper ends of joint pieces one side inner wall are the arc shape, the fixed block 2, 5 quantity of springs 4 and joint piece are four.

As shown in fig. 1, the resistor insulating housing 6 is clamped with one side of the upper end of the clamping block 5, the pin cap 7 is arranged on one side of the resistor insulating housing 6, the framework structure 8 is arranged inside the resistor insulating housing 6, the current of the circuit is controlled through the framework structure 8 and the resistance wire 9, the resistance wire 9 is wound on the outer wall of the framework structure 8, the pin rod 10 is arranged on one side of the pin cap 7, and the connection is performed through the pin rod 10 on the pin cap 7.

Wherein, sealing washer 11 sets up in pin pole 10 one end, prevent through sealing washer 11 that the dust from getting into protection casing 1 inside, air intake 12 sets up in 1 bottom one side outer wall of protection casing, cross air intake 12 and dust screen 13 and make behind the air filtration dust carry out protection casing 1 inside, dust screen 13 sets up in 12 bottom one sides of air intake, exhaust pipe 14 sets up in 1 top one side of protection casing, exhaust fan 15 sets up and keeps away from 1 one end of protection casing in exhaust pipe 14, make 1 inside air of protection casing discharge through exhaust fan 15.

Concretely, carry out the switch-on back to the winding resistor ware through pin pole 10, carry out the joint through spring 4 and joint piece 5 with resistor insulating casing 6 and fix, make the winding resistor during operation, avoid causing the damage owing to rocking, through the soundproof cotton 3 of protection casing 1 inside, effectually give sound insulation to the winding resistor during operation, through air intake 12 on the protection casing 1, exhaust pipe 14 and exhaust fan 15, make and get into the air from air intake 12 through exhaust fan 15 and discharge from exhaust pipe 14 again, thereby take away the inside heat of protection casing 1 and cool down, when cooling down, through dust screen 13 on the air intake 12 and sealing washer 11 on the protection casing 1, effectively prevent that the dust from getting into.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A high temperature resistant low noise wire wound resistor comprising: protection casing (1), its characterized in that, protection casing (1) bottom one side inner wall fixedly connected with fixed block (2), protection casing (1) inner wall is provided with soundproof cotton (3), soundproof cotton (3) fixedly connected with spring (4) are run through to fixed block (2) upper end, spring (4) top fixedly connected with joint piece (5), joint piece (5) upper end one side inner wall is the arc shape, fixed block (2), spring (4) and joint piece (5) quantity are four.

2. The high-temperature-resistant low-noise wire-wound resistor as claimed in claim 1, wherein a resistor insulating shell (6) is clamped at the upper end of the clamping block (5), and a pin cap (7) is arranged at one end of the resistor insulating shell (6).

3. The high-temperature-resistant low-noise wire-wound resistor as claimed in claim 2, characterized in that a skeleton structure (8) is arranged inside the resistor insulation shell (6), and a resistance wire (9) is wound on the outer wall of the skeleton structure (8).

4. The high-temperature-resistant low-noise wire-wound resistor as claimed in claim 2, wherein a pin rod (10) is arranged on the side of the pin cap (7) opposite to the resistor insulating shell (6), a sealing ring (11) is arranged at one end of the pin rod (10), and the sealing ring (11) is fixedly connected with the protective cover (1).

5. The high temperature resistant low noise wire-wound resistor as claimed in claim 1, wherein the outer wall of one side of the bottom end of the protection cover (1) is provided with an air inlet (12), and the bottom end of the air inlet (12) is provided with a dust screen (13).

6. The high temperature resistant low noise wire wound resistor as claimed in claim 1, wherein the outer wall of one side of the top end of the protection cover (1) is provided with an exhaust duct (14), and an exhaust fan (15) is arranged at one end of the exhaust duct (14) far away from the protection cover (1).