CN215731127U

CN215731127U - Non-inductance value type resistor

Info

Publication number: CN215731127U
Application number: CN202122143765.9U
Authority: CN
Inventors: 谭锋; 曾小琴
Original assignee: Shenzhen Huayu Tiancheng Technology Co ltd
Current assignee: Shenzhen Huayu Tiancheng Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model relates to the technical field of resistors and discloses a resistor without inductance value, which comprises a main box body, wherein an inductance eliminating mechanism is arranged at the upper end of the main box body, a resistance control mechanism is arranged on the outer surface of the main box body, a first resistance wire and a second resistance wire are the same and are wound around a circle of a placing block after being folded, a resistance with double wires wound in parallel is formed at the moment, the effect of eliminating the inductance value is achieved, when the placing block needs to be placed at the upper end of the main box body, a first telescopic rod is shortened to enter a round block, the round block is placed in a first round groove to be mutually clamped at the moment, and the first resistance wire and the second resistance wire are placed in a placing groove to achieve the effect of mutually clamping the placing block and the main box body.

Description

Non-inductance value type resistor

Technical Field

The utility model relates to the technical field of resistors, in particular to an inductance value-free resistor.

Background

The resistor is generally directly called as a resistor in daily life and is a current limiting element, after the resistor is connected in a circuit, the resistance value of the resistor is fixed, generally two pins, the resistor can limit the current passing through a branch connected with the resistor, the resistor with the unchangeable resistance value is called as a fixed resistor, the resistor with the changeable resistance value is called as a potentiometer or a variable resistor, and the ideal resistor is linear, namely the instantaneous current passing through the resistor is in direct proportion to the applied instantaneous voltage.

When the existing resistor is used, inductance is generated, if the inductance is not eliminated, other devices in a circuit can be damaged by the inductance, a line fault occurs, if the resistance value of the resistor is constant, when resistors with different sizes are required to be used for the circuit, the resistor needs to be replaced, and time and energy are consumed greatly.

To solve the above problems, an inductance-value-free resistor is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resistor without inductance value, thereby solving the problems that in the prior art, when the resistor is used, inductance is generated, if the inductance is not eliminated, other devices in a circuit are damaged by the inductance, a line fault occurs, if the resistance value of the resistor is constant, and when resistors with different sizes are required to be used for the circuit, the resistor needs to be replaced, and the resistor consumes very much time and energy.

In order to achieve the purpose, the utility model provides the following technical scheme: an inductance value-free resistor comprises a main box body, wherein an inductance eliminating mechanism is arranged at the upper end of the main box body, and a resistance control mechanism is arranged on the outer surface of the main box body;

the inductance eliminating mechanism comprises a placing groove arranged at the upper end of the main box body, a first lead arranged on one side of the main box body and a first circular groove arranged at the upper end of the main box body.

Preferably, a second circular groove is formed in the inner wall of the first circular groove, a placing block is arranged at the upper end of the main box body, a circular block is arranged at the upper end of the placing block, and the circular block corresponds to the first circular groove.

Preferably, the outer surface of the round block is provided with a first telescopic rod, the first telescopic rod corresponds to the second round groove, the outer surface of the placing block is provided with a first resistance wire and a second resistance wire, and the first resistance wire and the second resistance wire are the same.

Preferably, the resistance control mechanism comprises a first contact plate arranged at the upper end of the placing block, a separation plate arranged at one side of the first contact plate and a U-shaped block arranged at the upper end of the main box body.

Preferably, the first wire is connected with the first contact plate through the inside of the main box body, a second wire is arranged on one side of the U-shaped block, and a second contact plate is arranged on the outer surface of the U-shaped block.

Preferably, the second wire is communicated with the second contact plate through the inside of the U-shaped block, the second contact plate corresponds to the first contact plate, a blocking block is arranged on one side of the U-shaped block, and a blocking plate is arranged at one end of the blocking block.

Preferably, the upper end of the main box body is provided with a baffle, one side of the baffle is provided with a second telescopic rod, and one end of the second telescopic rod is connected with the U-shaped block.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model provides a resistor without inductance value, wherein the upper end of a main box body is provided with a placing groove, one side of the main box body is provided with a first lead, the upper end of the main box body is provided with a first circular groove, the inner wall of the first circular groove is provided with a second circular groove, the upper end of the main box body is provided with a placing block, the upper end of the placing block is provided with a circular block, the circular block corresponds to the first circular groove, the outer surface of the circular block is provided with a first telescopic rod, the first telescopic rod corresponds to the second circular groove, the outer surface of the placing block is provided with a first resistance wire and a second resistance wire, the first resistance wire and the second resistance wire are the same and are coiled on one circle of the placing block after being folded, the resistance with double-wire parallel winding is formed at the moment, the effect of eliminating the inductance value is achieved, when the placing block is required to be placed on the upper end of the main box body, the first telescopic rod is shortened to enter the circular block, at this moment, the round blocks are placed in the first round grooves in a clamped mode, the first resistance wires and the second resistance wires are placed in the placing grooves, and the effect that the round blocks are clamped with the main box body is achieved.

2. The utility model provides an inductance-value-free resistor, wherein a first contact plate is arranged at the upper end of a placing block, a separation plate is arranged on one side of the first contact plate, a U-shaped block is arranged at the upper end of a main box body, a first lead is connected with the first contact plate through the inside of the main box body, a second lead is arranged on one side of the U-shaped block, a second contact plate is arranged on the outer surface of the U-shaped block, the second lead is communicated with the second contact plate through the inside of the U-shaped block, the second contact plate corresponds to the first contact plate, a blocking block is arranged on one side of the U-shaped block, a blocking plate is arranged at one end of the blocking block, a baffle is arranged at the upper end of the main box body, a second telescopic rod is arranged on one side of the baffle, one end of the second telescopic rod is connected with the U-shaped block, when the resistance of the resistor needs to be changed, the second telescopic rod extends to enable the U-shaped block to move along the placing block, at the moment, the second contact plate is connected with the first contact plate, so that the first conducting wire and the second conducting wire are connected in series, the blocking plate is contacted with the first contact plate along with the movement of the U-shaped block, one side of the first contact plate is blocked, the resistance formed by the placing block is reduced, along with the continuous movement of the U-shaped block, when the second contact plate is contacted with the blocking plate, the blocking plate is not contacted with the first contact plate any more, and the resistance formed by the placing block is minimum, so that the effect of changing the whole resistance of the device is achieved.

Drawings

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

FIG. 2 is a schematic structural diagram of the main box of the present invention;

FIG. 3 is a schematic view of a placement block structure according to the present invention;

FIG. 4 is a schematic view of a U-shaped block structure according to the present invention.

In the figure: 1. a main box body; 2. an inductance cancellation mechanism; 21. a placement groove; 22. a first conductive line; 23. a first circular groove; 231. a second circular groove; 24. placing the blocks; 25. a round block; 251. a first telescopic rod; 26. a first resistance wire; 27. a second resistance wire; 3. a resistance control mechanism; 31. a first contact plate; 32. a separator plate; 33. a U-shaped block; 331. a second conductive line; 332. a second contact plate; 34. a barrier block; 341. a barrier plate; 35. a baffle plate; 36. and a second telescopic rod.

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.

Referring to fig. 1, an inductance-value-free resistor includes a main case 1, an inductance-eliminating mechanism 2 disposed at an upper end of the main case 1, and a resistance control mechanism 3 disposed on an outer surface of the main case 1.

Referring to fig. 2 and 3, in the resistor without inductance value, a placing groove 21 is formed at the upper end of a main case 1, a first lead 22 is arranged at one side of the main case 1, a first circular groove 23 is formed at the upper end of the main case 1, a second circular groove 231 is formed on the inner wall of the first circular groove 23, a placing block 24 is arranged at the upper end of the main case 1, a circular block 25 is arranged at the upper end of the placing block 24, the circular block 25 corresponds to the first circular groove 23, a first telescopic rod 251 is arranged on the outer surface of the circular block 25, the first telescopic rod 251 corresponds to the second circular groove 231, a first resistance wire 26 and a second resistance wire 27 are arranged on the outer surface of the placing block 24, the first resistance wire 26 and the second resistance wire 27 are the same, and are wound around the placing block 24 after being folded, and then form a resistance of double wires, so as to achieve the effect of eliminating inductance value, when the placing block 24 needs to be placed at the upper end of the main box body 1, the first telescopic rod 251 is shortened to enter the round block 25, the round block 25 is placed in the first round groove 23 to be clamped with each other, the first resistance wire 26 and the second resistance wire 27 are placed in the placing groove 21, and the effect that the placing block 24 and the main box body 1 are clamped with each other is achieved.

Referring to fig. 1, 2 and 4, in the resistor without inductance value, a first contact plate 31 is disposed at an upper end of a placement block 24, a separation plate 32 is disposed at one side of the first contact plate 31, a U-shaped block 33 is disposed at an upper end of a main case 1, a first conductive wire 22 is connected to the first contact plate 31 through an inside of the main case 1, a second conductive wire 331 is disposed at one side of the U-shaped block 33, a second contact plate 332 is disposed on an outer surface of the U-shaped block 33, the second conductive wire 331 is communicated with the second contact plate 332 through an inside of the U-shaped block 33, the second contact plate 332 corresponds to the first contact plate 31, a blocking block 34 is disposed at one side of the U-shaped block 33, a blocking plate 341 is disposed at one end of the blocking block 34, a blocking plate 35 is disposed at an upper end of the main case 1, a second telescopic rod 36 is disposed at one side of the blocking plate 35, one end of the second telescopic rod 36 is connected to the U-shaped block 33, when the resistor needs to change in resistance value, the second telescopic rod 36 is extended to move the U-shaped block 33 along the placing block 24, at this time, the second contact plate 332 is connected to the first contact plate 31, so that the first wire 22 and the second wire 331 are connected in series, the blocking plate 341 is contacted with the first contact plate 31 as the moving block 33 of the U-shaped block contacts with one side of the first contact plate 31 to block one side of the first contact plate 31, that is, the resistance formed by the placing block 24 is reduced, and as the U-shaped block 33 continuously moves, when the second contact plate 332 is contacted with the isolating plate 32, the blocking plate 341 is not contacted with the first contact plate 31, at this time, the resistance formed by the placing block 24 is minimum, thereby achieving the effect of changing the overall resistance of the device.

The working principle is as follows: because the first resistance wire 26 and the second resistance wire 27 are the same, the resistance is formed by winding the first resistance wire 26 and the second resistance wire 27 in one circle of the placing block 24 after being folded in half, the effect of eliminating inductance is achieved, when the placing block 24 needs to be placed at the upper end of the main box body 1, the first telescopic rod 251 is shortened to enter the round block 25, the round block 25 is placed in the first round groove 23 to be mutually clamped, the first resistance wire 26 and the second resistance wire 27 are placed in the placing groove 21 to achieve the effect of mutually clamping the placing block 24 and the main box body 1, finally, when the resistance of the resistor needs to be changed, the second telescopic rod 36 is extended to enable the U-shaped block 33 to move along the placing block 24, the second contact plate 332 is connected with the first contact plate 31 at the moment, so that the first lead wire 22 and the second lead wire 331 are connected in series, and the blocking plate 341 is contacted with the first contact plate 31 along with the movement of the U-shaped block 33, the resistance formed by the placing block 24 is reduced by blocking one side of the first contact plate 31, and as the U-shaped block 33 continues to move, when the second contact plate 332 and the isolation plate 32 are in contact, the blocking plate 341 is no longer in contact with the first contact plate 31, and the resistance formed by the placing block 24 is the smallest, so that the effect of changing the overall resistance of the device is achieved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An inductance value-free resistor, comprising a main case (1), characterized in that: an inductance eliminating mechanism (2) is arranged at the upper end of the main box body (1), and a resistance control mechanism (3) is arranged on the outer surface of the main box body (1);

the inductance eliminating mechanism (2) comprises a placing groove (21) formed in the upper end of the main box body (1), a first lead (22) arranged on one side of the main box body (1) and a first circular groove (23) formed in the upper end of the main box body (1).

2. An inductance value-free type resistor according to claim 1, wherein: a second circular groove (231) is formed in the inner wall of the first circular groove (23), a placing block (24) is arranged at the upper end of the main box body (1), a circular block (25) is arranged at the upper end of the placing block (24), and the circular block (25) corresponds to the first circular groove (23).

3. An inductance value-free type resistor according to claim 2, wherein: the outer surface of the round block (25) is provided with a first telescopic rod (251), the first telescopic rod (251) corresponds to the second round groove (231), the outer surface of the placing block (24) is provided with a first resistance wire (26) and a second resistance wire (27), and the first resistance wire (26) and the second resistance wire (27) are the same.

4. An inductance value-free type resistor according to claim 3, wherein: the resistance control mechanism (3) comprises a first contact plate (31) arranged at the upper end of the placing block (24), a separation plate (32) arranged at one side of the first contact plate (31) and a U-shaped block (33) arranged at the upper end of the main box body (1).

5. An inductance value-free resistor according to claim 4, wherein: the first lead (22) is connected with the first contact plate (31) through the interior of the main box body (1), one side of the U-shaped block (33) is provided with a second lead (331), and the outer surface of the U-shaped block (33) is provided with a second contact plate (332).

6. An inductance value-free type resistor according to claim 5, wherein: the second conducting wire (331) is communicated with the second contact plate (332) through the inside of the U-shaped block (33), the second contact plate (332) corresponds to the first contact plate (31), one side of the U-shaped block (33) is provided with a blocking block (34), and one end of the blocking block (34) is provided with a blocking plate (341).

7. An inductance value-free type resistor according to claim 6, wherein: the upper end of the main box body (1) is provided with a baffle (35), one side of the baffle (35) is provided with a second telescopic rod (36), and one end of the second telescopic rod (36) is connected with the U-shaped block (33).