CN213211840U - mOhm level patch type sampling resistor - Google Patents
mOhm level patch type sampling resistor Download PDFInfo
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- CN213211840U CN213211840U CN202021955859.5U CN202021955859U CN213211840U CN 213211840 U CN213211840 U CN 213211840U CN 202021955859 U CN202021955859 U CN 202021955859U CN 213211840 U CN213211840 U CN 213211840U
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- sampling resistor
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- shell
- milliohm
- electrode
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- 238000005070 sampling Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910001006 Constantan Inorganic materials 0.000 description 1
- 229910000896 Manganin Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a milliohm level patch type sampling resistor, which comprises a metal shell, wherein two ends of the metal shell are connected with a connecting shell through a connecting groove in a clamping way, the connecting groove is symmetrically dug at two ends of the metal shell, one side of the connecting shell is symmetrically provided with a connecting block, two adjacent connecting blocks and connecting grooves are in a group and are connected in a clamping way, an inner cavity of the connecting shell is provided with a first electronic element, one side of the first electronic element is connected with an electrode through a lead, the electrode is arranged at the middle part of the outer side of the connecting shell, the two sides of the metal shell and one side of the connecting shell are respectively dug with an output end and an input end, two adjacent input ends are in a group, the two input ends are in the same horizontal line, the inner cavity of the metal shell is provided with a second electronic element, the structure is reasonable, the structure is small and exquisite, the mounting and, for input and output, thereby allowing the electrodes to function.
Description
Technical Field
The utility model relates to a SMD sampling resistor of milliohm level belongs to resistance technical field.
Background
The sampling resistor is generally divided into a plug-in resistor and a patch resistor according to the requirements of a specific circuit board, the sampling resistor is low in resistance and high in precision, the precision of the resistance is generally within +/-1%, the resistor with the precision of 0.01% can be adopted in the application with higher requirements, most of domestic factory production is plug-in resistors made of constantan and manganin, however, most of users need the high-precision resistor of the patch to realize the sampling function, and in the prior art, the sampling resistor is inconvenient to install, disassemble and connect, and therefore, the milliohm-level patch type sampling resistor is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model overcomes current defect, provides a SMD sampling resistor of milliohm level, can effectively solve the problem in the background art.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a SMD sampling resistor of milliohm level, includes metal casing, the metal casing both ends are connected with the connection casing through linking groove block, just link up the groove symmetry and dig and locate the metal casing both ends, it is provided with first electronic component to connect the casing inner chamber, just first electronic component one side is connected with the electrode through the wire, just the electrode sets up in connecting casing outside middle part, the metal casing both sides are dug respectively with being connected casing one side and are equipped with output and input, the metal casing inner chamber is provided with second electronic component.
Furthermore, one side of the connecting shell is symmetrically provided with connecting blocks, and two adjacent connecting blocks and connecting grooves form a group and are connected in a clamping manner.
Further, two adjacent input terminals are in one group, and the two input terminals are on the same horizontal line.
Further, the first electronic element, the second electronic element and the electrode are respectively connected in parallel through a lead.
Furthermore, two adjacent output ends are in one group, and the two output ends are on the same horizontal line.
The utility model discloses beneficial effect:
1. through the joining groove and the joining block which are arranged, the metal shell and the connecting shell are clamped, so that the metal shell and the connecting shell are clamped well, the structure is reasonable, the structure is small and exquisite, and the installation and the disassembly are convenient.
2. Through the electronic elements, different electric elements are connected through wires respectively for input and output, so that the electrodes can exert effects.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is an internal view of a milliohm-level chip type sampling resistor of the present invention;
FIG. 2 is a diagram of a milliohm level chip type sampling resistor according to the present invention;
fig. 3 is a side view of a milliohm-level patch type sampling resistor connection housing of the present invention;
reference numbers in the figures: 1. a metal housing; 2. a joining groove; 3. connecting the shell; 4. a first electronic component; 5. an electrode; 6. an output end; 7. an input end; 8. a second electronic component; 9. a connecting block.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, a milliohm-level patch type sampling resistor includes a metal casing 1, two ends of the metal casing 1 are connected to a connection casing 3 through a connection groove 2, the connection groove 2 is symmetrically dug at two ends of the metal casing 1, a connection block 9 is symmetrically arranged at one side of the connection casing 3, two adjacent connection blocks 9 and the connection groove 2 are in a group and are in a clamping connection, a first electronic element 4 is arranged in an inner cavity of the connection casing 3, one side of the first electronic element 4 is connected to an electrode 5 through a wire, the electrode 5 is arranged at the middle part of the outer side of the connection casing 3, two sides of the metal casing 1 and one side of the connection casing 3 are dug with an output terminal 6 and an input terminal 7 respectively, two adjacent input terminals 7 are in a group and are on the same horizontal line, two adjacent output terminals 6 are in a group, and the two are positioned on the same horizontal line, and a second electronic element 8 is arranged in the inner cavity of the metal shell 1.
The first electronic element 4, the second electronic element 8 and the electrode 5 are respectively connected in parallel through conducting wires.
The utility model discloses a theory of operation: when the metal shell is used, the connecting groove 2 and the connecting block 9 are clamped, so that the metal shell 1 and the connecting shell 3 are well clamped, and the conducting wires are respectively connected with the first electronic element 4 through the output ends 6 and the input ends 7, so that the electrodes 5 can play a role.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a SMD sampling resistor of milliohm level, includes metal casing (1), its characterized in that: metal casing (1) both ends are connected with connection casing (3) through linking up groove (2) block, just link up groove (2) symmetry and dig and locate metal casing (1) both ends, it is provided with first electronic component (4) to connect casing (3) inner chamber, just first electronic component (4) one side is connected with electrode (5) through the wire, just electrode (5) set up in connecting casing (3) outside middle part, metal casing (1) both sides are dug respectively with connection casing (3) one side and are equipped with output (6) and input (7), metal casing (1) inner chamber is provided with second electronic component (8).
2. The milliohm-scale patch sampling resistor of claim 1, wherein: connect casing (3) one side symmetry and be provided with and link up piece (9), and adjacent two link up piece (9) and link up groove (2) and be a set of to be the block connection.
3. The milliohm-scale patch sampling resistor of claim 1, wherein: two adjacent input ends (7) are in a group and are on the same horizontal line.
4. The milliohm-scale patch sampling resistor of claim 1, wherein: the first electronic element (4), the second electronic element (8) and the electrode (5) are connected in parallel through conducting wires respectively.
5. The milliohm-scale patch sampling resistor of claim 1, wherein: two adjacent output ends (6) form a group and are positioned on the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021955859.5U CN213211840U (en) | 2020-09-09 | 2020-09-09 | mOhm level patch type sampling resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021955859.5U CN213211840U (en) | 2020-09-09 | 2020-09-09 | mOhm level patch type sampling resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213211840U true CN213211840U (en) | 2021-05-14 |
Family
ID=75844898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021955859.5U Active CN213211840U (en) | 2020-09-09 | 2020-09-09 | mOhm level patch type sampling resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213211840U (en) |
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2020
- 2020-09-09 CN CN202021955859.5U patent/CN213211840U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240202 Address after: 215000, No. 200 Xingpu Road, Suzhou District, Suzhou City, Jiangsu Province, China, 9 # 301, 401 Patentee after: Simei microelectronics technology (Suzhou) Co.,Ltd. Country or region after: China Address before: 215513 Science Park No. 11 Sihai Road, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU PROSEMI ELECTRONIC TECH LTD. Country or region before: China |
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| TR01 | Transfer of patent right |