CN209119286U - A kind of adjustable attenuator - Google Patents
A kind of adjustable attenuator Download PDFInfo
- Publication number
- CN209119286U CN209119286U CN201820902137.XU CN201820902137U CN209119286U CN 209119286 U CN209119286 U CN 209119286U CN 201820902137 U CN201820902137 U CN 201820902137U CN 209119286 U CN209119286 U CN 209119286U
- Authority
- CN
- China
- Prior art keywords
- attenuator
- group
- electromagnetic relay
- tubular
- cavity
- 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 - Fee Related
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Abstract
The utility model discloses a kind of adjustable attenuators, attenuator cavity including tubular, capping has conductor lid at the upper end opening of the attenuator cavity of tubular, attenuator chamber there are three being set in attenuator cavity, attenuator group is equipped in each attenuator chamber, wherein one end of the first attenuator group is connect by the normally opened contact of electromagnetic relay one with one end of the second attenuator group, it is connect by the normally opened contact of electromagnetic relay two with one end of third attenuator group, the other end of second attenuator group is connected with the other end of third attenuator group, first attenuator group, the other end of second attenuator group and third attenuator group is electrically connected with the connector of the attenuator cavity lower end of tubular.The utility model realizes the adjusting of different multiplying by the closure of switch one or switch two, has the advantages that multiplying power is easy to adjust, structure is simple.
Description
Technical field
The utility model relates to attenuator technical fields, it particularly relates to a kind of adjustable attenuator.
Background technique
Attenuator be it is a kind of make output port export power be less than input port power dual-port electronic component,
It is widely used in electronic equipment.Existing coaxial attenuator is made of interconnecting piece and attenuator, and interconnecting piece includes plug and inserts
Seat two parts, for adjusting the signal magnitude in circuit, the pad value for measuring network or the variation for buffering impedance etc..Current
The shortcomings that coaxial attenuator is essentially the attenuator composition of fixed multiplying power, has multiplying power conversion inconvenient, and structure is complicated.
Utility model content
For above-mentioned technical problem in the related technology, the utility model proposes a kind of adjustable attenuators, can overcome
The above-mentioned deficiency of the prior art.
To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that
It opens the upper end of a kind of adjustable attenuator, the attenuator cavity including tubular, the attenuator cavity of the tubular
Mouthful place's capping has conductor lid, set in the attenuator cavity there are three attenuator chamber, be all provided in each attenuator chamber
Have attenuator group, wherein one end of the first attenuator group pass through the normally opened contact of electromagnetic relay one and the second attenuator group one
End connection, is connect by the normally opened contact of electromagnetic relay two with one end of third attenuator group, the second attenuator group
The other end is connected with the other end of third attenuator group, after the second attenuator group is connected with the other end of third attenuator group
It is electrically connected with the connector of the attenuator cavity lower end of the tubular, the other end of the first attenuator group and declining for the tubular
Subtract the connector electrical connection of piece cavity lower end, one end of one coil of electromagnetic relay and one end of electromagnetic relay two coil are equal
It is connect with power cathode, one end of the other end connection switch one of one coil of electromagnetic relay, the electromagnetic relay two
One end of the other end connection switch two of coil, the other end of the switch one and the other end of switch two connect with positive pole
It connects.
Further, the other end of the first attenuator group, the second attenuator group and third attenuator group passes through bullet
Spring is electrically connected with the connector of the attenuator cavity lower end of the tubular.
The utility model has the beneficial effects that the utility model realizes different multiplying by the closure of switch one or switch two
Adjusting, have the advantages that multiplying power is easy to adjust, structure is simple.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of cross-sectional view of adjustable attenuator according to the utility model embodiment；
Fig. 2 is the mutual attachment structure schematic diagram of three attenuator groups；
Fig. 3 is the connection schematic diagram of the coil of electromagnetic relay one and the coiler part of electromagnetic relay two；
In figure: 1, conductor lid；2, the attenuator cavity of tubular；3, the first attenuator group；4, spring；5, attenuator chamber；
6, connector；7, electromagnetic relay one；8, electromagnetic relay two；9, the second attenuator group；10, third attenuator group；11, it switchs
One；12, switch two.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
As shown in Figure 1-3, a kind of adjustable attenuator, the decaying including tubular according to the utility model embodiment
Piece cavity 2, capping has conductor lid 1 at the upper end opening of the attenuator cavity of the tubular, sets in the attenuator cavity 2
There are three attenuator chamber 5, it is equipped with attenuator group in each attenuator chamber 5, wherein one end of the first attenuator group 3 is logical
The normally opened contact for crossing electromagnetic relay 1 is connect with one end of the second attenuator group 9, passes through the normally opened touching of electromagnetic relay 28
Point is connect with one end of third attenuator group 10, the other end of the second attenuator group 9 and third attenuator group 10 it is another
Attenuator cavity after the other end connection of end connection, the second attenuator group 9 and third attenuator group 10 with the tubular
The connector 6 of lower end is electrically connected, the connector 6 of the attenuator cavity lower end of the other end and tubular of the first attenuator group 3
Electrical connection, one end of 28 coil of one end and electromagnetic relay of one 7 coil of electromagnetic relay are connect with power cathode,
One end of the other end connection switch 1 of one 7 coil of electromagnetic relay, the other end of 28 coil of electromagnetic relay
One end of connection switch 2 12, the other end of the switch 1 and the other end of switch 2 12 are connect with positive pole.
In one embodiment, the first attenuator group 3, the second attenuator group 9 and third attenuator group 10 is another
One end passes through spring 4 and is electrically connected with the connector 6 of the attenuator cavity lower end of the tubular.
In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode
The above-mentioned technical proposal of type is described in detail.
According to a kind of adjustable attenuator described in the utility model, including three attenuator chambers 5, each attenuator cavity
Interior is equipped with attenuator piece group, and one end of the first attenuator group 3 passes through the normally opened contact of electromagnetic relay 1 and the second decaying
One end of piece group 9 connects, and is connect, is being used with one end of third attenuator group 10 by the normally opened contact of electromagnetic relay 28
When, the adjusting of differential declines multiplying power may be implemented by the closure of switch one or switch two, specifically, working as closure switch one
When, the coil of electromagnetic relay 1 obtains electric, the normally opened contact closure of electromagnetic relay 1, the first attenuator group and the second decaying
The adjusting of a multiplying power is realized in the connection of piece group, and similarly, switch two realizes the adjusting of another multiplying power when being closed.
In conclusion the utility model realizes the adjusting of different multiplying by the closure of switch one or switch two, have
The advantage that multiplying power is easy to adjust, structure is simple.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (2)
1. a kind of adjustable attenuator, which is characterized in that the attenuator cavity (2) including tubular, the attenuator of the tubular
There is conductor lid (1) capping at the upper end opening of cavity, set that there are three attenuator chamber (5) in the attenuator cavity (2), often
It is equipped with attenuator group in one attenuator chamber (5), wherein one end of the first attenuator group (3) passes through electromagnetic relay one
(7) normally opened contact is connect with one end of the second attenuator group (9), passes through the normally opened contact and third of electromagnetic relay two (8)
One end of attenuator group (10) connects, the other end of the second attenuator group (9) and the other end of third attenuator group (10)
Decaying piece chamber after the other end connection of connection, the second attenuator group (9) and third attenuator group (10) with the tubular
The connector (6) of body lower end is electrically connected, the attenuator cavity lower end of the other end and tubular of the first attenuator group (3)
One end of connector (6) electrical connection, one end of electromagnetic relay one (7) coil and electromagnetic relay two (8) coil with electricity
The connection of source cathode, one end of the other end connection switch one (11) of electromagnetic relay one (7) coil, the electromagnetic relay
One end of the other end connection switch two (12) of two (8) coils, the other end of the switch one (11) and switch two (12) it is another
One end is connect with positive pole.
2. a kind of adjustable attenuator according to claim 1, which is characterized in that the first attenuator group (3), second
The other end of attenuator group (9) and third attenuator group (10) passes through the attenuator cavity lower end of spring (4) Yu the tubular
Connector (6) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820902137.XU CN209119286U (en) | 2018-06-12 | 2018-06-12 | A kind of adjustable attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820902137.XU CN209119286U (en) | 2018-06-12 | 2018-06-12 | A kind of adjustable attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119286U true CN209119286U (en) | 2019-07-16 |
Family
ID=67195645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820902137.XU Expired - Fee Related CN209119286U (en) | 2018-06-12 | 2018-06-12 | A kind of adjustable attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119286U (en) |
-
2018
- 2018-06-12 CN CN201820902137.XU patent/CN209119286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 |