CN207458694U - Wire wound resistor - Google Patents
Wire wound resistor Download PDFInfo
- Publication number
- CN207458694U CN207458694U CN201721477418.7U CN201721477418U CN207458694U CN 207458694 U CN207458694 U CN 207458694U CN 201721477418 U CN201721477418 U CN 201721477418U CN 207458694 U CN207458694 U CN 207458694U
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- CN
- China
- Prior art keywords
- pin
- insulating coating
- resistive element
- wire wound
- wound resistor
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Abstract
The utility model discloses a kind of wire wound resistors, the first pin and second pin drawn respectively including resistive element and self-resistance body axial direction both ends, second pin is followed successively by the insulating coating section coated with pin insulating coating and the exposed pin section for plugging pcb board from root outward, resistive element is externally coated with resistive element insulating coating, and the pin insulating coating of resistive element insulating coating and second pin is integrated coating and is made；By forming the insulating coating section coated with pin insulating coating in second pin, and integrally coating is made pin insulating coating with resistive element insulating coating, it can not only reach preferable insulating effect, simple production process is quick, efficient, and with preferable using effect, it is ensured that the service life of resistor entirety.
Description
Technical field
The utility model is related to resistor technologies field, more particularly to a kind of wire wound resistor.
Background technology
Wire resistor be wound on porcelain tube with nichrome wire or manganin wire, constantan line made of, with resistance accuracy it is high,
Work noise is small, reliable and stable, temperature coefficient is small, can bear the advantages that high temperature, is mainly used to play in low-frequency ac circuit
The effects that being depressured, shunt, loading, feeding back, turning energy, match plays the role of absorber and divider in a power,
It can be used as shaking the current divider in circuit and the interior attenuation adjustment of transformer and pulse shaping circuit, can be widely applied to household electrical appliances, doctor
Treat the fields such as equipment, automobile industry, railway, aviation and military equipment instrument.
The structure of existing winding-type resistor is generally resistive element, and plug is provided in resistive element and is wound on plug
A lead is drawn at the resistance wire of winding, the axial both ends of resistive element respectively, and one of lead is for plugging pcb board, to reach
To the effect of insulation, mostly by being manually arranged a heat-shrinkable T bush on the lead, though preferable insulating effect is can reach, it is raw
Extremely inefficient, of high cost, unsuitable mass production is produced, and is manually arranged by then passing through the later stage, is imitated with the globality of lead
Fruit is not good enough, under long-time service state, due to the variation of temperature separated it is easy to appear heat-shrinkable T bush with lead or itself cracking
The phenomenon that, so as to influence the service life of resistor entirety.
Utility model content
In view of this, the utility model provides a kind of wire wound resistor, can reach preferable insulating effect, and produce
It is simple for process quick, efficient, while there is preferable using effect, it is ensured that the service life of resistor entirety.
The wire wound resistor of the utility model, the first pin drawn respectively including resistive element and self-resistance body axial direction both ends
And second pin, second pin are followed successively by insulating coating section coated with pin insulating coating from root and outward for plugging
The exposed pin section of pcb board, resistive element are externally coated with resistive element insulating coating, resistive element insulating coating and second pin
Pin insulating coating connects and is integrated coating and is made.
Further, the positioning region positioned when being provided in exposed pin section for plugging pcb board.
Further, positioning region shape is one kind in V-arrangement, L-shaped or U-shaped.
Further, insulating coating section accounts for more than 2/3rds of second pin total length.
Further, positioning region is set against the end of insulating coating section.
Further, the length of the first pin is not less than the length of second pin.
Further, resistive element insulating coating and pin insulating coating are made of the coating of flame-resistant insulation paint.
Further, the axial lead end of the first pin and second pin self-resistance body is located along the same line.
The beneficial effects of the utility model：The wire wound resistor of the utility model is coated by being formed in second pin
There is the insulating coating section of pin insulating coating, and integrally coating is made pin insulating coating with resistive element insulating coating, not only
Preferable insulating effect can be reached, simple production process is quick, efficient, and with preferable using effect, it is ensured that
The service life of resistor entirety.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Embodiment based on the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain in.
The utility model proposes a kind of wire wound resistors.
With reference to Fig. 1, Fig. 1 is the utility model overall structure diagram, as shown in the figure：The wire wound resistor of the present embodiment,
The first pin 2 and second pin 3 drawn respectively including resistive element 1 and the axial both ends of self-resistance body 1, second pin 3 is from root
The insulating coating section 3-1 coated with pin insulating coating 4 and the exposed pin section 3-2 for plugging pcb board are followed successively by outward,
Resistive element 1 is externally coated with resistive element insulating coating 5, resistive element insulating coating 5 and the pin insulating coating 4 of second pin 3
Coating is integrated to be made；Resistive element 1 is the typical structure of winding-type resistive element 1, and resistive element 1 is internally provided with plug and coiling,
The first pin 2 and second pin 3 are drawn in both ends respectively, wherein, insulating coating section 3-1 is at least provided in second pin 3, when
So, insulating coating section 3-1 has been may also set up on the first pin 2, insulating coating section 3- is either only provided in second pin 3
1 or first insulating coating section 3-1, the pin insulating coating of insulating coating section 3-1 are both provided in pin 2 and second pin 3
4 are connected with the resistive element insulating coating 5 of resistive element 1 and are integrated coating and are made, i.e., are made up of the same process coating, specific to apply
Coating process is the prior art, and details are not described herein；In addition, pcb board therein refers to printed circuit board.
In the present embodiment, the positioning region 6 that is positioned when being provided on exposed pin section 3-2 for plugging pcb board；Pass through
Exposed pin section 3-2 is plugged with pcb board formation and is connected, and is positioned, had to plugging link position by the setting of positioning region 6
Preferable /V and fixed effect so that plugging for resistor is convenient and efficient.
In the present embodiment, 6 shape of positioning region is one kind in V-arrangement, L-shaped or U-shaped；Pass through appointing in V-arrangement, L-shaped or U-shaped
It is a kind of that locating effect can be achieved, when for v-shaped structure when, the V-arrangement angle size of positioning region 6 is 10 ° -70 °.
In the present embodiment, insulating coating section 3-1 accounts for more than 2/3rds of 3 total length of second pin；Form longer-range
Insulating coating section 3-1, to ensure optimal insulation effect.
In the present embodiment, positioning region 6 is set against the end of insulating coating section 3-1；I.e. insulating coating section is closely followed in positioning region 6
3-1 is set.
In the present embodiment, the length of the first pin 2 is not less than the length of second pin 3；In the prior art, common coiling
The length of double-end two lead of resistor is substantially the same, and in some electronic components, there are many resistors and first device
Part is arranged side by side, and when multiple resistors and component are arranged side by side, resistive element 1 is all disposed on same plane, is made
Obtaining electronic component needs larger space to accommodate this volume, and in the utility model, due to the length of the first pin 2
Not less than the length of second pin 3, when the built-in resistor device in electronic component is more, and when needing to be arranged side by side, because
The length of first pin 2 and second pin 3 is inconsistent so that the resistive element 1 of resistor can mutually stagger, so as to greatly save
Installation space, i.e., so that electronic component saves more spaces, the smaller that can be done.
In the present embodiment, resistive element insulating coating 5 and pin insulating coating 4 are made of the coating of flame-resistant insulation paint；Specifically
The material of flame-resistant insulation paint can be realized by the prior art, and details are not described herein.
In the present embodiment, the axial lead end of 3 self-resistance body 1 of the first pin 2 and second pin is located along the same line.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover among the right of the utility model.
Claims (8)
1. a kind of wire wound resistor, it is characterised in that：Draw including resistive element and self-resistance body axial direction both ends are drawn respectively first
Foot and second pin, the second pin are followed successively by insulating coating section and use coated with pin insulating coating from root outward
In the exposed pin section for plugging pcb board, the resistive element is externally coated with resistive element insulating coating, and the resistive element insulation applies
Layer, which is connected with the pin insulating coating of the second pin and is integrated coating, to be made.
2. wire wound resistor according to claim 1, it is characterised in that：It is provided with to plug in the exposed pin section
The positioning region positioned during pcb board.
3. wire wound resistor according to claim 2, it is characterised in that：The positioning region shape is in V-arrangement, L-shaped or U-shaped
One kind.
4. wire wound resistor according to claim 1, it is characterised in that：The insulating coating section accounts for second pin total length
More than 2/3rds.
5. wire wound resistor according to claim 2, it is characterised in that：The positioning region is against the insulating coating section
End is set.
6. wire wound resistor according to claim 1, it is characterised in that：The length of first pin is drawn not less than second
The length of foot.
7. wire wound resistor according to claim 1, it is characterised in that：The resistive element insulating coating and the pin are exhausted
Edge coating is made of the coating of flame-resistant insulation paint.
8. wire wound resistor according to claim 1, it is characterised in that：First pin and the second pin are certainly electric
The axial lead end of resistance body is located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477418.7U CN207458694U (en) | 2017-11-07 | 2017-11-07 | Wire wound resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721477418.7U CN207458694U (en) | 2017-11-07 | 2017-11-07 | Wire wound resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207458694U true CN207458694U (en) | 2018-06-05 |
Family
ID=62254164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721477418.7U Active CN207458694U (en) | 2017-11-07 | 2017-11-07 | Wire wound resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207458694U (en) |
-
2017
- 2017-11-07 CN CN201721477418.7U patent/CN207458694U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |