CN109148062B - Standard attenuator resistor seat block - Google Patents
Standard attenuator resistor seat block Download PDFInfo
- Publication number
- CN109148062B CN109148062B CN201811187464.2A CN201811187464A CN109148062B CN 109148062 B CN109148062 B CN 109148062B CN 201811187464 A CN201811187464 A CN 201811187464A CN 109148062 B CN109148062 B CN 109148062B
- Authority
- CN
- China
- Prior art keywords
- resistor
- column
- seat block
- block body
- package
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 16
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract description 3
- 230000004044 response Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
- H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a standard attenuator resistor seat block, which comprises a seat block body, a T-shaped resistor and a short circuit rod, wherein the T-shaped resistor is arranged on the seat block body and comprises a transverse column, package resistors are connected to the two ends and the middle part of the transverse column, the three package resistors are arranged in a T shape relative to the transverse column, a longitudinal column is connected to the free end of the package resistor positioned in the middle part of the transverse column, and the package resistor is a steel shell. In the invention, as the resistor positioned in the middle of the transverse column is directly connected with the outer wall of the transverse column, and the longitudinal column is arranged to compensate in terms of installation length and size, compared with the mode of adopting the T-shaped column to connect three resistors, the invention can effectively avoid the generation of induction capacitance and improve the frequency response of the attenuator; meanwhile, the packaging resistor is a steel shell, when the resistor seat block slides, the resistor contacts the contact piece from the steel shell, so that abrasion is reduced, contact is more reliable, insertion loss is reduced, and index requirements are met.
Description
Technical Field
The invention relates to the technical field of attenuators, in particular to a standard attenuator resistor seat block.
Background
An attenuator is an electronic component for providing attenuation, is widely applied to electronic equipment, and has the main purposes of: (1) adjusting the magnitude of a signal in the circuit; (2) In the comparison measuring circuit, the method can be used for directly reading the attenuation value of the measured network; (3) To improve impedance matching, if some circuits require a relatively stable load impedance, an attenuator may be inserted between the circuit and the actual load impedance to buffer the change in impedance. The standard attenuator in the current market is characterized in that three adjusting knobs with different attenuation stepping values are designed on an operating panel, the rotating adjusting knobs can drive cams inside the attenuator to rotate, the cams rotate to drive a plurality of resistor seat blocks to move, T-shaped resistors and short-circuit rods are arranged on the resistor seat blocks, and the T-shaped resistors or the short-circuit rods on different resistor seat blocks are connected, so that different attenuation values are obtained through combination. The T-shaped resistor structure on the resistor seat block is shown in fig. 1 and 2, three resistors 4 are respectively connected with three ends of the T-shaped column 2 to form T-shaped arrangement, and induction capacitance can be generated by adopting the resistor connection mode, so that the frequency response of the attenuator is poor. In addition, copper caps 3 are arranged at the two transverse resistor ends, when the resistor block moves, the copper caps can be contacted with or separated from the attenuator contact pieces, and the copper caps are worn out in the use process, so that poor contact is caused, the attenuator insertion loss is increased, and the index is out of tolerance.
Disclosure of Invention
The invention aims at: the standard attenuator resistor seat block is provided for solving the problems that the frequency response of an attenuator is poor due to the fact that induction capacitance is generated in a T-shaped resistor connection mode on the resistor seat block at present, and copper caps at two transverse resistor ends are worn seriously.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a standard attenuator resistance seat piece, includes seat piece body and locates T type resistance, the short circuit stick on it, T type resistance includes the diaphragm, has even encapsulation resistance in both ends and the middle part of diaphragm, and three encapsulation resistance is T type for the diaphragm and arranges, still links to have the indulge post at encapsulation resistance free end at the diaphragm middle part, encapsulation resistance is steel shell.
According to the invention, the T-shaped resistor is arranged to comprise the transverse column, the packaging resistors are connected to the two ends and the middle part of the transverse column, the three packaging resistors are arranged in a T shape relative to the transverse column, and the free end of the packaging resistor positioned in the middle part of the transverse column is also connected with the longitudinal column; meanwhile, the packaging resistor is a steel shell, when the resistor seat block slides, the resistor contacts the contact piece from the steel shell, so that abrasion is reduced, contact is more reliable, insertion loss is reduced, and index requirements are met.
As the preferable scheme of the invention, the packaging resistor is welded with the transverse column and the longitudinal column. The packaging resistor is connected with the transverse column and the longitudinal column by welding, and the connection is convenient and reliable and the falling off is avoided.
As a preferable scheme of the invention, the transverse columns and the longitudinal columns are all made of aluminum materials.
As a preferable scheme of the invention, the seat block body is in a cuboid shape, a cavity for placing the T-shaped resistor and the short-circuit rod is formed in the seat block body, two side plates are respectively arranged on two sides of the seat block body, and semicircular grooves matched with two ends of the T-shaped resistor and the short-circuit rod are formed in the side plates.
As a preferable scheme of the invention, the side plate is also provided with a connecting screw used for connecting the side plate with the seat block body.
As the preferable scheme of the invention, the seat block body is also provided with a positioning screw, and the positioning screw is contacted with the outer wall of the longitudinal column, so that the T-shaped resistor can be locked in position.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
According to the invention, the T-shaped resistor is arranged to comprise the transverse column, the packaging resistors are connected to the two ends and the middle part of the transverse column, the three packaging resistors are arranged in a T shape relative to the transverse column, and the free end of the packaging resistor positioned in the middle part of the transverse column is also connected with the longitudinal column; meanwhile, the packaging resistor is a steel shell, when the resistor seat block slides, the resistor contacts the contact piece from the steel shell, so that abrasion is reduced, contact is more reliable, insertion loss is reduced, and index requirements are met.
Drawings
Fig. 1 is a perspective view of a conventional resistor block.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a perspective view of a standard attenuator resistor block in accordance with the present invention.
Fig. 4 is a cross-sectional view of fig. 3.
Fig. 5 is a schematic view of fig. 3 after the side plate is hidden.
The marks in the figure: 1-seat block body, 1 a-cavity, 2-T-shaped column, 3-copper cap, 4-resistor, 5-cross column, 6-longitudinal column, 7-short-circuit bar, 8-side plate, 9-connecting screw and 10-positioning screw.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
The embodiment provides a standard attenuator resistor block;
As shown in fig. 3-5, the standard attenuator resistor seat block in this embodiment includes a seat block body 1, and a T-shaped resistor and a shorting bar 7 disposed on the seat block body, where the T-shaped resistor includes a cross column 5, package resistors 4 are connected to both ends and middle portions of the cross column 5, the three package resistors 4 are arranged in a T-shape relative to the cross column 5, and a longitudinal column 6 is connected to a free end of the package resistor located in the middle portion of the cross column, and the package resistor is a steel shell.
According to the invention, the T-shaped resistor is arranged to comprise the transverse column, the packaging resistors are connected to the two ends and the middle part of the transverse column, the three packaging resistors are arranged in a T shape relative to the transverse column, and the free end of the packaging resistor positioned in the middle part of the transverse column is also connected with the longitudinal column; meanwhile, the packaging resistor is a steel shell, and a copper cap is not arranged, when the resistor seat block slides, the resistor contacts the contact piece from the steel shell, so that abrasion is reduced, contact is more reliable, insertion loss is reduced, and index requirements are met.
When a certain resistor seat block slides, if the contact piece is contacted with two ends of the short-circuit rod, the T-shaped resistor in the resistor seat block is not used; if the contact piece is contacted with two ends of the T-shaped resistor, the T-shaped resistor in the resistor block is used, so that different attenuation values are output.
In this embodiment, the package resistor 4 is welded to the transverse column 5 and the longitudinal column 6. The packaging resistor is connected with the transverse column and the longitudinal column by welding, and the connection is convenient and reliable and the falling off is avoided. In this embodiment, the cross posts and the vertical posts are made of aluminum materials, and are both cylindrical structures.
In this embodiment, the seat block body 1 is in a cuboid shape, a cavity 1a for placing the T-type resistor and the short-circuit rod is formed in the seat block body, two side plates 8 are further respectively arranged at two sides of the seat block body, semicircular grooves matched with two ends of the T-type resistor and the short-circuit rod are formed in the side plates, and the semicircular grooves on the two side plates are used for supporting two ends of the T-type resistor and the short-circuit rod after being matched.
In this embodiment, the side plates 8 are further provided with connection screws 9 for connecting the side plates with the seat block body, each side plate is provided with two connection screws, and the connection screws penetrate through the side plates connected with opposite sides of the seat block body.
In this embodiment, the seat block body is further provided with a positioning screw 10, and the positioning screw 10 contacts with the outer wall of the longitudinal column 6, so that the T-shaped resistor can be locked in position by rotating the positioning screw.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (3)
1. The standard attenuator resistor seat block comprises a seat block body, and a T-shaped resistor and a short circuit rod which are arranged on the seat block body, and is characterized in that the T-shaped resistor comprises a transverse column, package resistors are connected to the two ends and the middle of the transverse column, the three package resistors are arranged in a T shape relative to the transverse column, a longitudinal column is connected to the free end of the package resistor positioned in the middle of the transverse column, the package resistor is a steel shell, and the package resistors are connected with the transverse column and the longitudinal column in a welding manner;
The seat block body is in a cuboid shape, a cavity for placing the T-shaped resistor and the short circuit rod is formed in the seat block body, two side plates are respectively arranged at two sides of the seat block body, and semicircular grooves matched with two ends of the T-shaped resistor and the short circuit rod are formed in the side plates; and the seat block body is also provided with a positioning screw, and the positioning screw is contacted with the outer wall of the longitudinal column.
2. The modular attenuator resistor block of claim 1, wherein the cross posts and the longitudinal posts are each made of aluminum.
3. The modular attenuator resistor block of claim 1, wherein the side plates are further provided with attachment screws for attaching the side plates to the block body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187464.2A CN109148062B (en) | 2018-10-12 | 2018-10-12 | Standard attenuator resistor seat block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811187464.2A CN109148062B (en) | 2018-10-12 | 2018-10-12 | Standard attenuator resistor seat block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109148062A CN109148062A (en) | 2019-01-04 |
| CN109148062B true CN109148062B (en) | 2024-06-04 |
Family
ID=64811361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811187464.2A Active CN109148062B (en) | 2018-10-12 | 2018-10-12 | Standard attenuator resistor seat block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109148062B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB905654A (en) * | 1959-10-13 | 1962-09-12 | Gen Electric Co Ltd | Improvements in or relating to electric apparatus |
| JPH06104676A (en) * | 1992-09-24 | 1994-04-15 | Mitsubishi Electric Corp | Variable resistance attenuator |
| CN101442295A (en) * | 2007-10-12 | 2009-05-27 | 阎跃军 | Coaxial connector type fixed attenuator |
| CN101558559A (en) * | 2007-08-11 | 2009-10-14 | 阎跃军 | Variable attenuator |
| CN208690031U (en) * | 2018-10-12 | 2019-04-02 | 成都前锋电子仪器有限责任公司 | A kind of standard attenuator resistance saddle |
-
2018
- 2018-10-12 CN CN201811187464.2A patent/CN109148062B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB905654A (en) * | 1959-10-13 | 1962-09-12 | Gen Electric Co Ltd | Improvements in or relating to electric apparatus |
| JPH06104676A (en) * | 1992-09-24 | 1994-04-15 | Mitsubishi Electric Corp | Variable resistance attenuator |
| CN101558559A (en) * | 2007-08-11 | 2009-10-14 | 阎跃军 | Variable attenuator |
| CN101442295A (en) * | 2007-10-12 | 2009-05-27 | 阎跃军 | Coaxial connector type fixed attenuator |
| CN208690031U (en) * | 2018-10-12 | 2019-04-02 | 成都前锋电子仪器有限责任公司 | A kind of standard attenuator resistance saddle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109148062A (en) | 2019-01-04 |
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