CN211858294U - Anti-interference resistor - Google Patents
Anti-interference resistor Download PDFInfo
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- CN211858294U CN211858294U CN201922442963.8U CN201922442963U CN211858294U CN 211858294 U CN211858294 U CN 211858294U CN 201922442963 U CN201922442963 U CN 201922442963U CN 211858294 U CN211858294 U CN 211858294U
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- resistance
- resistance wire
- resistor
- porcelain body
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Abstract
The utility model relates to an anti-interference resistor, including the resistance core, the both ends of resistance core all are connected with the end cap, the end cap is provided with the pin, the resistance core includes first porcelain body and second porcelain body, be connected with between first porcelain body and the second porcelain body and hinder magnetic part, it is connected with the sleeve to hinder magnetic part both sides, the sleeve includes first barrel and second barrel, first barrel cover is established in first porcelain body outside, second barrel cover is established in second porcelain body outside, spiral winding has first resistance wire on the resistance core, the both ends and the end cap electric connection of first resistance wire, spiral winding has the second resistance wire on the sleeve, the both ends and the end cap electric connection of second resistance wire. Through two sets of resistance wires that revolve to opposite of bilayer structure collocation to increase at resistance core middle part and establish the magnetic resistance portion, when resistance circular telegram, the resistance wire can offset and magnetic resistance piece shielding magnetic field through inside magnetic field, produces the inductance when can preventing voltage fluctuation and leads to the interference to the circuit, and then reaches the effect of anti-jamming and protection circuit normal work.
Description
Technical Field
The utility model relates to a resistor field especially relates to an anti-interference resistor.
Background
The non-inductive resistor is one of resistors, has the characteristics of heat resistance, moisture resistance, low price and the like, has very small inductive reactance value which can be ignored, and is often used by some precise instruments and electronic industrial equipment, because the common resistor with high inductive reactance is easy to vibrate in use and damage other devices in a loop.
The inductance of the non-inductive winding resistor is reduced by adopting a double-wire winding mode with opposite winding directions, and because two resistance wires with opposite winding directions are wound in an overlapping mode, the inductance of the non-inductive winding resistor cannot be guaranteed to be mutually offset, the inductance of the non-inductive winding resistor is still very large, and the use of a high-precision instrument cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model adopts the following technical scheme: the utility model provides an anti-interference resistor, including the resistance core, the both ends of resistance core all are connected with the end cap, the end cap is provided with the pin, the resistance core includes first porcelain body and second porcelain body, be connected with between first porcelain body and the second porcelain body and hinder magnetism portion, it is connected with the sleeve to hinder magnetism portion both sides, the sleeve includes first barrel and second barrel, first barrel cover is established at first porcelain body outsidely, second barrel cover is established at second porcelain body outsidely, spiral winding has first resistance wire on the resistance core, the both ends and the end cap electric connection of first resistance wire, spiral winding has the second resistance wire on the sleeve, the both ends and the end cap electric connection of second resistance wire, the winding opposite direction of first resistance wire and second resistance wire.
The technical scheme can be further perfected as follows.
Further, the magnetism-resisting part comprises a shell, and a magnetism-resisting sheet is embedded in the shell.
It is further explained that the material of the magnetic resistance sheet is permalloy.
It is further explained that the first resistance wire and the second resistance wire have the same winding number.
The resistance part is provided with two through holes, the through holes are communicated with two sides of the resistance part, and the first resistance wire and the second resistance wire are respectively connected with the two through holes in a penetrating manner.
It is further noted that the sleeve is an insulating material.
It is further explained that the second resistance wire is externally coated with an insulating protective sleeve.
The utility model has the advantages that: compared with the existing resistor, the utility model discloses a bilayer structure collocation two sets of resistance wires that revolve to opposite to increase at resistance core middle part and hinder magnetic part, when resistance circular telegram, the resistance wire can offset and hinder magnetic sheet shielding magnetic field through inside magnetic field, produces the inductance when can preventing voltage fluctuation and leads to the interference to the circuit, and then reaches the effect of anti-interference and protection circuit normal work.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of an anti-interference resistor according to an embodiment of the present invention.
Fig. 2 is a schematic front view of an anti-interference resistor according to an embodiment of the present invention.
In the figure: 1-resistance core, 11-first porcelain body, 12-second porcelain body, 2-end cap, 21-pin, 3-magnetism-resisting part, 31-shell, 32-magnetism-resisting sheet, 4-sleeve, 41-first barrel, 42-second barrel, 5-first resistance wire, 6-second resistance wire
Detailed Description
To further understand the contents, features and functions of the present invention, the following embodiments are described.
As shown in fig. 1-2, an embodiment of the present invention provides an anti-interference resistor, including resistance core 1, both ends of resistance core 1 all are connected with end caps 2, end caps 2 are provided with pins 21, resistance core 1 includes first porcelain body 11 and second porcelain body 12, be connected with between first porcelain body 11 and the second porcelain body 12 and hinder magnetism portion 3, it is connected with sleeve 4 to hinder magnetism portion 3 both sides, sleeve 4 includes first barrel 41 and second barrel 42, first barrel 41 cover is established outside first porcelain body 11, second barrel 42 cover is established outside second porcelain body 12, spiral winding has first resistance wire 5 on resistance core 1, the both ends and the end caps 2 electric connection of first resistance wire 5, spiral winding has second resistance wire 6 on sleeve 4, the both ends and the end caps 2 electric connection of second resistance wire 6, the winding direction of first resistance wire 5 and second resistance wire 6 is opposite.
The magnetism-resisting part 3 comprises a shell 31, and a magnetism-resisting sheet 32 is embedded in the shell 31. The material of the magnetoresistive sheet 32 is permalloy. The first resistance wire 5 and the second resistance wire 6 are wound for the same number of turns. The magnetic resistance part 3 is provided with two through holes which are communicated with two sides of the magnetic resistance part 3, and the first resistance wire 5 and the second resistance wire 6 are respectively connected with the two through holes in a penetrating way. The sleeve 4 is an insulating material. The second resistance wire 6 is externally coated with an insulating protective sleeve.
Specifically, referring to fig. 1-2, the first resistance wire 5 is spirally wound from the outer end of the first ceramic body 11, and after being wound to the magnetism-blocking portion 3, the first resistance wire passes through the through hole of the magnetism-blocking portion 3 to reach the second ceramic body 12, and is continuously spirally wound on the second ceramic body 12 to the outer end of the second ceramic body 12, the second resistance wire 6 is spirally wound from the outer end of the first cylinder 41, after being wound to the magnetism-blocking portion 3, the second resistance wire passes through another through hole of the magnetism-blocking portion 3 to reach the second cylinder 42, and is continuously wound on the second cylinder 42 only to the outer end of the second cylinder 42, and the winding directions of the first resistance wire 5 and the second resistance wire 6 are opposite.
This resistance during operation, because the principle of electricity magnetism, first resistance wire 5 and second resistance wire 6 will produce the size the same, magnetic field opposite in direction, the two can offset each other, can produce the inductance when to a great extent reduces voltage fluctuation and lead to the interference to the circuit, the magnetic resistance piece 32 that lies in resistance core 1 middle part simultaneously can effectively shield resistance core 1's internal magnetic field, make resistance core 1 internal magnetic field unable switch on, further hinder the emergence of inductance phenomenon, and then reach the effect of anti-interference and protection circuit normal work.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An antijam resistor, characterized by: the resistor comprises a resistor core (1), wherein end caps (2) are connected to two ends of the resistor core (1), pins (21) are arranged on the end caps (2), the resistor core (1) comprises a first porcelain body (11) and a second porcelain body (12), a magnetic resistance part (3) is connected between the first porcelain body (11) and the second porcelain body (12), sleeves (4) are connected to two sides of the magnetic resistance part (3), each sleeve (4) comprises a first cylinder body (41) and a second cylinder body (42), the first cylinder body (41) is sleeved outside the first porcelain body (11), the second cylinder body (42) is sleeved outside the second porcelain body (12), a first resistance wire (5) is spirally wound on the resistor core (1), two ends of the first resistance wire (5) are electrically connected with the end caps (2), a second resistance wire (6) is spirally wound on the sleeve (4), the two ends of the second resistance wire (6) are electrically connected with the end caps (2), and the winding directions of the first resistance wire (5) and the second resistance wire (6) are opposite.
2. The antijam resistor of claim 1, further comprising: the magnetism-resisting part (3) comprises a shell (31), and a magnetism-resisting sheet (32) is embedded in the shell (31).
3. The antijam resistor of claim 2, wherein: the material of the magnetic resistance sheet (32) is permalloy.
4. The antijam resistor of claim 1, further comprising: and the first resistance wire (5) and the second resistance wire (6) are wound in the same number of turns.
5. The antijam resistor of claim 1, further comprising: the magnetic resistance part (3) is provided with two through holes, the through holes are communicated with two sides of the magnetic resistance part (3), and the first resistance wire (5) and the second resistance wire (6) are respectively connected with the two through holes in a penetrating manner.
6. The antijam resistor of claim 1, further comprising: the sleeve (4) is made of insulating materials.
7. The antijam resistor of claim 1, further comprising: and the second resistance wire (6) is coated with an insulating protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922442963.8U CN211858294U (en) | 2019-12-30 | 2019-12-30 | Anti-interference resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922442963.8U CN211858294U (en) | 2019-12-30 | 2019-12-30 | Anti-interference resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211858294U true CN211858294U (en) | 2020-11-03 |
Family
ID=73209755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922442963.8U Active CN211858294U (en) | 2019-12-30 | 2019-12-30 | Anti-interference resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211858294U (en) |
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2019
- 2019-12-30 CN CN201922442963.8U patent/CN211858294U/en active Active
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