CN203690026U - Alloy foil type precise shunting resistor - Google Patents
Alloy foil type precise shunting resistor Download PDFInfo
- Publication number
- CN203690026U CN203690026U CN201420049621.4U CN201420049621U CN203690026U CN 203690026 U CN203690026 U CN 203690026U CN 201420049621 U CN201420049621 U CN 201420049621U CN 203690026 U CN203690026 U CN 203690026U
- Authority
- CN
- China
- Prior art keywords
- alloy foil
- alloy
- chip
- resistor
- alumina ceramic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000011888 foil Substances 0.000 title claims abstract description 67
- 239000000956 alloy Substances 0.000 title claims abstract description 51
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 51
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000011224 oxide ceramic Substances 0.000 abstract 6
- 229910052574 oxide ceramic Inorganic materials 0.000 abstract 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract 6
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011064 split stream procedure Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Details Of Resistors (AREA)
Abstract
The utility model discloses an alloy foil type precise shunting resistor. The resistor comprises an alloy foil chip, a first aluminum oxide ceramic wafer and a second aluminum oxide ceramic wafer, wherein the alloy foil chip is clamped between the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer to form a resistor body, a plurality of terminals extending out of the side edges of the resistor body are arranged on the alloy foil chip, the alloy foil chip is formed by a plurality of foil lines which are connected sequentially in an end-to-end manner, and are positioned on a same horizontal plane. The alloy foil type precise shunting resistor adopts a alloy foil material as the chip, and uses the first aluminum oxide ceramic wafer and the second aluminum oxide ceramic wafer to clamp the alloy foil chip so as to timely emit heat generated by the resistor and improve the heat dissipation property; besides, the alloy foil chip is formed by the plurality of foil lines which are connected sequentially in an end-to-end manner, and are positioned on the same horizontal plane, and thus the non-inductive structure of the resistor is achieved.
Description
Technical field
The utility model relates to resistor field, relates in particular to a kind of alloy-foil type precision shunt resistor.
Background technology
Tradition wirewound resistor is as cement resistor and aluminum hull packaged resistance device, it cannot reach good index on high accuracy and low-temperature coefficient, although accurate metal thin film resistor can reach, but it does not possess again good resistance to pulse performance, and these two kinds of specification resistance are all thoughts, in accurate split-stream sampling circuit application, cannot meet the demands.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of perfect heat-dissipating, precision is high, temperature coefficient is good alloy-foil type precision shunt resistor.
For achieving the above object, the utility model provides a kind of alloy-foil type precision shunt resistor, comprises Alloy Foil chip, the first alumina ceramic plate and the second alumina ceramic plate; Described Alloy Foil chip gripper is held between the first alumina ceramic plate and the second alumina ceramic plate and three forms resistor body, and described Alloy Foil chip is provided with a plurality of terminals that extend resistor body side; Described Alloy Foil chip is engaged and forms successively by many tinsel cord bar head and the tail, and many tinsel cord bars all maintain an equal level on same horizontal plane.
Wherein, described terminal extends from the end of two tinsel cord bars of corresponding head and the tail.
Wherein, between described the first alumina ceramic plate and Alloy Foil chip and all bonding by the bonding silica gel of heat conduction between the second alumina ceramic plate and Alloy Foil chip.
Wherein, described a plurality of pins are divided into two groups, and wherein one group of pin is arranged on one end of Alloy Foil chip, and other one group of pin is arranged on the homonymy other end of Alloy Foil chip.
Wherein, the quantity of described pin is four, and wherein two pins are arranged on one end of Alloy Foil chip, and two other pin is arranged on the homonymy other end of Alloy Foil chip.
The beneficial effects of the utility model are: compared with prior art, the alloy-foil type precision shunt resistor that the utility model provides, adopt the chip of Alloy Foil material as resistor, and adopt the first alumina ceramic plate and the second alumina ceramic plate that Alloy Foil chip is clamped, the heat that resistor can be produced distributes timely, has improved heat dispersion; Meanwhile, Alloy Foil chip is engaged and forms successively by many tinsel cord bars head and the tail, and many tinsel cord bars all maintain an equal level on same horizontal plane, has realized the noninductive structure of this resistor, makes this resistor be applicable to current sampling circuit.And the utility model also has that precision is high, temperature coefficient good, power is large and the feature such as practical.
Brief description of the drawings
Fig. 1 is the explosive view of alloy-foil type precision shunt resistor of the present utility model;
Fig. 2 is the structure vertical view after Fig. 1 assembles;
Fig. 3 is the Alloy Foil chip structure figure in Fig. 1.
Main element symbol description is as follows:
10, Alloy Foil chip 11, the first alumina ceramic plate
12, the second alumina ceramic plate 101, tinsel cord bar
1011, pin
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1-3, alloy-foil type precision shunt resistor of the present utility model, comprises Alloy Foil chip 10, the first alumina ceramic plate 11 and the second alumina ceramic plate 12; Alloy Foil chip 10 is clamped between the first alumina ceramic plate 11 and the second alumina ceramic plate 12 and three forms resistor body, and Alloy Foil chip 10 is provided with a plurality of terminals 1011 that extend resistor body side.Alloy Foil chip 10 is engaged and forms successively by many tinsel cord bars 101 head and the tail, and many tinsel cord bars 101 all maintain an equal level on same horizontal plane, and terminal 1011 extends from the end of two tinsel cord bars 101 of corresponding head and the tail.
Compared to the situation of prior art, the alloy-foil type precision shunt resistor that the utility model provides, adopt the chip of Alloy Foil material as resistor, and adopt the first alumina ceramic plate 10 and the second alumina ceramic plate 11 that Alloy Foil chip is clamped, the heat that resistor can be produced distributes timely, has improved heat dispersion; In addition, Alloy Foil chip 10 is engaged and forms successively by many tinsel cord bars 101 head and the tail, and many tinsel cord bars 101 all maintain an equal level on same horizontal plane, has realized the noninductive structure of this resistor, makes this resistor be applicable to current sampling circuit.And the utility model also has that precision is high, temperature coefficient good, power is large and the feature such as practical.
In the present embodiment, between the first alumina ceramic plate 11 and Alloy Foil chip 10 and all bonding by the bonding silica gel (not shown) of heat conduction between the second alumina ceramic plate 12 and Alloy Foil chip 10.Certainly, the utility model is not limited to by silica gel mode bonding, can also be bonding by glue, if the change to bonding way between above-mentioned two parts all falls in protection range of the present utility model.
In the present embodiment, a plurality of pins 1011 are divided into two groups, and wherein one group of pin 1011 is arranged on one end of Alloy Foil chip 10, and other one group of pin 1011 is arranged on the homonymy other end of Alloy Foil chip 10.Best execution mode is that the quantity of pin 1011 is four, and wherein two pins 1011 are arranged on one end of Alloy Foil chip 10, and two other pin 1011 is arranged on the homonymy other end of Alloy Foil chip 10.Certainly, the quantity of pin 1011 can also be two, is also not limited to the setting position of pin 1011, if the change to its position all falls in protection range of the present utility model.
The alloy-foil type precision shunt resistor that the utility model provides, its manufacture method is as follows: select satisfactory Alloy Foil material, be laser-cut into the Alloy Foil chip 10 with four pins 1011, after resistance trimming, long 52mm is sticked on both sides again, wide 20mm, the 96% the first alumina ceramic plates 11 of thick 1.0mm and the 96% the second alumina ceramic plates 12, the bonding silica gel of heat conduction with import between the aluminium oxide ceramics ceramics of two 96% and Alloy Foil chip 10 carries out bonding, can form resistor finally by crossing 120 DEG C of hot settings, this resistor has better heat dispersion, power can reach 10W, precision preferably can reach 0.1%, temperature coefficient preferably can reach 5PPM.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (5)
1. an alloy-foil type precision shunt resistor, is characterized in that, comprises Alloy Foil chip, the first alumina ceramic plate and the second alumina ceramic plate; Described Alloy Foil chip gripper is held between the first alumina ceramic plate and the second alumina ceramic plate and three forms resistor body, and described Alloy Foil chip is provided with a plurality of terminals that extend resistor body side; Described Alloy Foil chip is engaged and forms successively by many tinsel cord bar head and the tail, and many tinsel cord bars all maintain an equal level on same horizontal plane.
2. alloy-foil type precision shunt resistor according to claim 1, is characterized in that, described terminal extends from the end of two tinsel cord bars of corresponding head and the tail.
3. alloy-foil type precision shunt resistor according to claim 1, is characterized in that, between described the first alumina ceramic plate and Alloy Foil chip and all bonding by the bonding silica gel of heat conduction between the second alumina ceramic plate and Alloy Foil chip.
4. alloy-foil type precision shunt resistor according to claim 1, it is characterized in that, described a plurality of pin is divided into two groups, and wherein one group of pin is arranged on one end of Alloy Foil chip, and other one group of pin is arranged on the homonymy other end of Alloy Foil chip.
5. alloy-foil type precision shunt resistor according to claim 4, is characterized in that, the quantity of described pin is four, and wherein two pins are arranged on one end of Alloy Foil chip, and two other pin is arranged on the homonymy other end of Alloy Foil chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049621.4U CN203690026U (en) | 2014-01-26 | 2014-01-26 | Alloy foil type precise shunting resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420049621.4U CN203690026U (en) | 2014-01-26 | 2014-01-26 | Alloy foil type precise shunting resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690026U true CN203690026U (en) | 2014-07-02 |
Family
ID=51011900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420049621.4U Expired - Lifetime CN203690026U (en) | 2014-01-26 | 2014-01-26 | Alloy foil type precise shunting resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717333A (en) * | 2014-12-05 | 2016-06-29 | 苏州华电电气股份有限公司 | Alternating current resistor element |
-
2014
- 2014-01-26 CN CN201420049621.4U patent/CN203690026U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717333A (en) * | 2014-12-05 | 2016-06-29 | 苏州华电电气股份有限公司 | Alternating current resistor element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211125 Address after: 523648 Room 101, building 17, Lihe Bauhinia intelligent manufacturing center, No. 105, Qingbin East Road, Qingxi Town, Dongguan City, Guangdong Province Patentee after: GUANGDONG YIJIE TECHNOLOGY Co.,Ltd. Address before: 518000 5th and 6th floors, north of building 23, science and Technology Industrial Park, Shenzhen, Guangdong Patentee before: EBG-SHENZHEN Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
|
| CX01 | Expiry of patent term |