CN203300350U - High-power non-inductive thick film precision module resistor - Google Patents
High-power non-inductive thick film precision module resistor Download PDFInfo
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- CN203300350U CN203300350U CN2013203110678U CN201320311067U CN203300350U CN 203300350 U CN203300350 U CN 203300350U CN 2013203110678 U CN2013203110678 U CN 2013203110678U CN 201320311067 U CN201320311067 U CN 201320311067U CN 203300350 U CN203300350 U CN 203300350U
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- resistor
- thick film
- power non
- housing
- inductive
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Abstract
The utility model discloses a high-power non-inductive thick film precision module resistor which comprises a resistor module, two resistor soldering terminals, and a resistor housing with a cavity at the bottom, wherein the resistor module is nested in the bottom of the resistor housing and seals the cavity, the two resistor soldering terminals are arranged on the resistor housing, and are both connected with the resistor module through lead wires, and the resistor module adopts a single-layered ceramic chip. The high-power non-inductive thick film precision module resistor provided by the utility model is small in volume, high in power, is high-voltage resisting and non-inductive, has a wide resistance value range, and can reach 0.1 Omega to 1000M Omega, the radiating effect is excellent, the use and the mounting are very convenient, the high-power non-inductive thick film precision module resistor has a simple structure, and due to the adoption of the single-layered ceramic chip and the independent housing, the production cost is lowered effectively, and the durability and the stability are excellent. The high-power non-inductive thick film precision module resistor has the advantages of less contact points, high reliability and wide application range.
Description
Technical field
The utility model relates to a kind of resistor, particularly a kind of high power noninductive modular precision resistor.
Background technology
The Power Resistor of domestic use, be mostly wirewound resistor, primary structure is coiling resistive element on the skeleton that ceramic or other material are made, and the resistive element termination connects by the terminal lead-out wire, reach radiating effect in resistive element external application inorganic material, to improve the use power of resistor, this wirewound resistor complex structure, manufacture trouble, after moulding, volume is large, inductance is large, and Standard resistance range is narrow, generally below 50K Ω.
Some high-power thick film noninductive resistors are also arranged at present, shell and inner casing, consist of, wherein be provided with resistance board in inner casing, and by binding post, connect, not only volume is little for this thick film noninductive resistor, and power is large, and install be connected very convenient.But, this resistor is complex structure not only, production cost is high, installation difficulty is larger, and because its shell and inner casing are connected that mode by buckle connects, steadiness and poor durability, once resistor falls on the ground or is impacted, shell is separated with inner casing, and damage the wiring construction of resistor the inside.And its resistive module of present high-power thick film noninductive resistor adopts the structure of three layers, and not only complex structure, and production cost is also higher.
The utility model content
For addressing the above problem, the purpose of this utility model is to provide a kind of durable, good stability simple in structure, fastening and the low accurate modular resistor of high-power non-inductive thick film of production cost.The utility model has solved that the Power Resistor volume is large, and radiating effect is bad, can't the high-frequency state under inductance large, Standard resistance range is little, installs and uses inconvenience, the problem that the complex structure cost is high.
The technical scheme that the invention for solving the technical problem adopts is:
The accurate modular resistor of a kind of high-power non-inductive thick film, comprise that resistive module, resistor binding post and bottom have the resistor housing of cavity, described resistive module is nested in the bottom of resistor housing and seals described cavity, be provided with two resistor binding posts on the resistor housing, described two resistor binding posts are connected with resistive module by lead-in wire respectively, and described resistive module is the individual layer ceramics.
Further, the one side of described individual layer ceramics is provided with resistive layer.
Further, the another side of described individual layer ceramics relative resistance rete is provided with metallic diaphragm.Be provided with metallic diaphragm, can effectively protect ceramics, improve the life-span of resistor.
Further, described resistor housing is the integral type structure, and described resistor housing adopts the independent case structure of integral type, with the resistor that is respectively arranged with inside and outside shell, compares, and not only structure is simpler, and durability is better.
Further, described resistor binding post is arranged on the end face of resistor housing, the resistor binding post comprises binding post body one-body molded with the resistor housing and that outwards give prominence to, be provided with copper nut in described binding post body, the bottom surface of described copper nut is run through resistor housing end face and is entered cavity, and the bottom of described copper nut is connected with resistive module by lead-in wire.The user uses resistor by copper nut,, because the binding post body is outwards outstanding and one-body molded with the resistor housing, can not only effectively protect and the fixed copper nut, and make resistor firmer, is not easy to damage.
Further, scribble nut glue on described copper nut.Copper nut first is coated with last layer nut glue while installing, and can play the fixed copper nut, improves the steadiness that copper nut is installed, and avoids resistor in use to occur becoming flexible.
Further, described lead-in wire is the copper lead-in wire.The conductance of copper lead-in wire is high and durable, and to combine result of use best with copper nut.
Further, be provided with screw on described resistor housing.Described screw is used for being connected with radiator or is used for fixing in the circuit board.
Further, be filled with layer of silica gel between described resistor housing and resistive module.By the filling gel layer, can play to the lead-in wire between resistor inner casing and resistive module the effect of protection, improve stability of the present utility model and durability.
The beneficial effects of the utility model are: the accurate modular resistor of a kind of high-power non-inductive thick film that the utility model adopts, the utility model volume is little, and power is large, and is high voltage withstanding, without inductance, Standard resistance range is wide, can reach 0.1 Ω-1000M Ω, good heat dissipation effect, use and install all very convenient, and the utility model is simple in structure, adopts the potsherd of individual layer effectively to reduce production costs, durability and good stability.Simultaneously also to have a contact few for the utility model, and reliability is high, advantage applied widely.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is vertical view of the present utility model.
Fig. 2 is the cross section view of Figure 1A-A ' direction.
Embodiment
With reference to Fig. 1-Fig. 2, the accurate modular resistor of a kind of high-power non-inductive thick film of the present utility model, comprise that resistive module 1, resistor binding post 2 and bottom have the resistor housing 3 of cavity 31, described resistive module 1 is nested in the bottom of resistor housing 3 and seals described cavity 31, be provided with two resistor binding posts 2 on resistor housing 3, described two resistor binding posts 2 are connected with resistive module 1 by lead-in wire 4 respectively, and described resistive module 1 is the individual layer ceramics.Described resistor binding post 2 is arranged on the end face of resistor housing 3, resistor binding post 2 comprises binding post body 21 one-body molded with resistor housing 3 and that outwards give prominence to, be provided with copper nut 22 in described binding post body 21, copper nut 22 first is coated with last layer nut glue 23 while installing, can play fixed copper nut 22, improve the steadiness that copper nut 22 is installed, avoid resistor in use to occur becoming flexible.The bottom surface of described copper nut 22 is run through resistor housing 3 end faces and is entered cavity 31, and the bottom of described copper nut 22 is connected with resistive module 1 by lead-in wire 4.The user uses resistor by copper nut 22,, because binding post body 21 is outwards outstanding and one-body molded with resistor housing 3, can not only effectively protect and fixed copper nut 22, and make resistor firmer, is not easy to damage.Be provided with two on described resistor housing 3 and be used for being connected with radiator or be used for fixing screw 32 in the circuit board.Be filled with layer of silica gel 5 between resistor housing 3 and resistive module 1.By filling gel layer 5, can play the effect of protection to the lead-in wire 4 between resistor inner casing and resistive module 1, improve stability of the present utility model and durability.
Be coated with resistive layer on the end face of described individual layer ceramics, metal-plated membrane layer on the bottom surface of individual layer ceramics relative resistance rete.By plating resistive layer on the end face at the individual layer ceramics, in the performance that improves resistive module 1, can more not increase the thickness of resistive module 1, and be provided with metallic diaphragm, can effectively protect ceramics, improve the life-span of resistor.Yet, also metallic diaphragm can be set on the another side of individual layer ceramics relative resistance rete.Be to arrange on the another side of individual layer ceramics relative resistance rete or do not arrange within metallic diaphragm all belongs to protection range of the present utility model.
Further, described resistor housing 3 is the integral type structure, and described resistor housing 3 adopts the independent case structure of integral type, with the resistor that is respectively arranged with inside and outside shell, compares, and not only structure is simpler, and durability is better.
As above-mentioned further improvement, described lead-in wire 4 is the copper lead-in wire.The conductance of copper lead-in wire is high and durable, and to combine result of use best with copper nut 22.
The accurate modular resistor of a kind of high-power non-inductive thick film that the utility model adopts, the utility model volume is little, and power is large, and is high voltage withstanding, without inductance, Standard resistance range is wide, can reach 0.1 Ω-1000M Ω, good heat dissipation effect, use and install all very convenient, and the utility model is simple in structure, adopts potsherd and the stand-alone shell of individual layer effectively to reduce production costs, durability and good stability.Simultaneously also to have a contact few for the utility model, and reliability is high, advantage applied widely.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode,, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (9)
1. the accurate modular resistor of a high-power non-inductive thick film, it is characterized in that: comprise that resistive module (1), resistor binding post (2) and bottom have the resistor housing (3) of cavity (31), described resistive module (1) is nested in the bottom of resistor housing (3) and seals described cavity (31), be provided with two resistor binding posts (2) on resistor housing (3), described two resistor binding posts (2) are connected with resistive module (1) by lead-in wire (4) respectively, and described resistive module (1) is the individual layer ceramics.
2. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 1, it is characterized in that: the one side of described individual layer ceramics is provided with resistive layer.
3. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 2, it is characterized in that: the another side of described individual layer ceramics relative resistance rete is provided with metallic diaphragm.
4. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 1, it is characterized in that: described resistor housing (3) is the integral type structure.
5. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 1, it is characterized in that: described resistor binding post (2) is arranged on the end face of resistor housing (3), resistor binding post (2) comprises binding post body (21) one-body molded with resistor housing (3) and that outwards give prominence to, be provided with copper nut (22) in described binding post body (21), the bottom surface of described copper nut (22) is run through resistor housing (3) end face and is entered cavity (31), the bottom of described copper nut (22) is connected with resistive module (1) by lead-in wire (4).
6. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 5, is characterized in that: scribble nut glue (23) on described copper nut (22).
7. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 5, it is characterized in that: described lead-in wire (4) goes between for copper.
8. the accurate modular resistor of a kind of high-power non-inductive thick film according to claim 1, is characterized in that: be provided with screw (32) on described resistor housing (3).
9. according to claim 1-8 accurate modular resistors of arbitrary described a kind of high-power non-inductive thick film, is characterized in that: be filled with layer of silica gel (5) between described resistor housing (3) and resistive module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110678U CN203300350U (en) | 2013-05-31 | 2013-05-31 | High-power non-inductive thick film precision module resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110678U CN203300350U (en) | 2013-05-31 | 2013-05-31 | High-power non-inductive thick film precision module resistor |
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| Publication Number | Publication Date |
|---|---|
| CN203300350U true CN203300350U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203110678U Expired - Fee Related CN203300350U (en) | 2013-05-31 | 2013-05-31 | High-power non-inductive thick film precision module resistor |
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| CN (1) | CN203300350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195405A (en) * | 2017-05-27 | 2017-09-22 | 广东福德电子有限公司 | A kind of thick film plane Power Resistor |
| KR20190032591A (en) * | 2016-09-07 | 2019-03-27 | 엔알 일렉트릭 컴퍼니 리미티드 | Housing structure of planar resistors |
-
2013
- 2013-05-31 CN CN2013203110678U patent/CN203300350U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190032591A (en) * | 2016-09-07 | 2019-03-27 | 엔알 일렉트릭 컴퍼니 리미티드 | Housing structure of planar resistors |
| EP3511955A4 (en) * | 2016-09-07 | 2019-08-21 | NR Electric Co., Ltd. | Housing structure of planar resistor |
| US10636548B2 (en) | 2016-09-07 | 2020-04-28 | Nr Engineering Co., Ltd | Housing structure of planar resistor |
| KR102153244B1 (en) * | 2016-09-07 | 2020-09-07 | 엔알 일렉트릭 컴퍼니 리미티드 | Housing structure of planar resistor |
| CN107195405A (en) * | 2017-05-27 | 2017-09-22 | 广东福德电子有限公司 | A kind of thick film plane Power Resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20150531 |
|
| EXPY | Termination of patent right or utility model |