CN201490311U - Step attenuator - Google Patents
Step attenuator Download PDFInfo
- Publication number
- CN201490311U CN201490311U CN2009201632982U CN200920163298U CN201490311U CN 201490311 U CN201490311 U CN 201490311U CN 2009201632982 U CN2009201632982 U CN 2009201632982U CN 200920163298 U CN200920163298 U CN 200920163298U CN 201490311 U CN201490311 U CN 201490311U
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- CN
- China
- Prior art keywords
- pair
- switch
- contact pilotage
- electrically connected
- attenuator
- 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 step attenuator, which comprises a heat-dissipating shell, a plurality of attenuating sheets, an input connector and an output connector and a plurality of switches, wherein the input connector and the output connector are connected to the outer wall of the heat-dissipating shell respectively; the plurality of switches correspond to the attenuating sheets one by one; each switch comprises a main body part; the main body is provided with a pair of main contact pins; the adjacent main contact pins of the adjacent switches are electrically connected with each other; the main contact pins outside the two outside switches are electrically connected with the inner core of the input connector and the inner core of the output connector respectively; the main body is further provided with a pair of connecting contact pins and a pair of short-circuit contact pins which are directly communicated with each other; one pair of the connecting contact pins of each switch and the corresponding attenuating sheet are connected into a circuit; one pair of the short-circuit contact pins of each switch makes the corresponding attenuating sheet short circuit; and each switch also comprises a press-button part, through which one pair of main contact pins are selectively and electrically connected with one pair of connecting pins or one pair of short-circuit contact pins. The step attenuator can select different amounts of attenuation through the switches.
Description
Technical field
The utility model relates to the components and parts that are used for deamplification that use in a kind of microwave radio field.
Background technology
Attenuator is widely used in the microwave radio field, as radiofrequency signal is decayed, in case stop signal distortion etc.Because some circuit may need different attenuations under different situations, therefore, the attenuator with fixed attenuation amount has certain limitation on using.
The utility model content
The purpose of this utility model is to provide a kind of step attenuator that can select attenuation.
The technical scheme that the utility model adopted is: a kind of step attenuator, comprise radiating shell, and described radiating shell is provided with a plurality of switch holes; Attenuator, quantity is identical with described switch hole; One input adapter and an out splice going splice are connected on the outer wall of described radiating shell; A plurality of switches, identical with the quantity of described switch hole, described switch is corresponding one by one with attenuator, described switch comprises main part, described main part has a pair of main contact pilotage, be electrically connected to each other between adjacent two main contact pilotages of adjacent switch, the main contact pilotage in the outside of two switches in the outside is electrically connected with the inner core of described input adapter and the inner core of out splice going splice respectively, also have a pair of connection contact pilotage and a pair of short circuit contact pilotage that is in direct communication with one another on the main part of described switch, the a pair of connection contact pilotage of each switch will be corresponding with it the attenuator place in circuit, the a pair of short circuit contact pilotage of each switch will be corresponding with it the attenuator short circuit, described switch comprises that also selection is connected the button portion that contact pilotage is electrically connected or is electrically connected with a pair of short circuit contact pilotage respectively with a pair of respectively with a pair of main contact pilotage, and described radiating shell stretches out by switch hole corresponding with it in described button portion.
Preferably, described radiating shell inside is equipped with wiring board, and described a plurality of attenuators are connected on the wiring board; The a pair of short circuit contact pilotage of described each switch is electrically connected on described wiring board; Adjacent two main contact pilotages of described adjacent switch are electrically connected on described wiring board.
Preferably, described attenuator is the arrangement of " one " font in the circuit board.
Preferably, a pair of short circuit contact pilotage of the main part of described switch, a pair of main contact pilotage and a pair of contact pilotage that is connected are arranged in order from front to back.
Preferably, on the inwall of described radiating shell, the both sides of each switch hole are provided with the guide pad into the button portion guiding of switch.
The beneficial effects of the utility model are: step attenuator described in the utility model can be selected different attenuations by switch, therefore goes for and need select in the connection line of differential declines amount according to condition.
Description of drawings
Fig. 1 is the blast structural representation of step attenuator described in the utility model;
Fig. 2 is the structural representation of first heating panel shown in Figure 1;
Fig. 3 is the structural representation of switch shown in Figure 1;
Fig. 4 is the annexation schematic diagram of switch shown in Figure 1.
Embodiment
Now in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
A kind of step attenuator, comprise radiating shell, described radiating shell can be rectangle, is installed together by screw by six fin, and six fin are respectively fin 5, following fin 4, preceding fin 6, back fin 7, left fin 3 and right fin 2.
Wiring board 8 is installed in described radiating shell inside by screw 10, is connected with a plurality of attenuators 13 on the wiring board 8.Switch 14, quantity is identical with the quantity of described attenuator 13, as shown in Figure 3, switch 14 comprises main part 142, described main part 142 is provided with a pair of main contact pilotage, be respectively left main contact pilotage 145-1 and right main contact pilotage 145-2, be electrically connected to each other between adjacent two main contact pilotages of adjacent switch 14, promptly the left main contact pilotage of the right main contact pilotage 145-2 of a switch 14 and a switch 14 that is adjacent is electrically connected, can on wiring board 8, be electrically connected between adjacent two main contact pilotages of adjacent switch 14, the main contact pilotage in the outside of two switches 14 in the outside, the left main contact pilotage 145-1 that is leftmost side switch 14 is electrically connected with the inner core of input adapter 1, and the right main contact pilotage 145-2 of rightmost side switch 14 is electrically connected with the inner core of out splice going splice 15.Described out splice going splice 15 can be installed on the right fin 2 by screw 11, is provided with packing ring 12 between the head of screw 11 and the right fin 2, and described input adapter 1 can adopt the mounting means identical with out splice going splice 15 to be installed on the left fin 3.
Also have a pair of connection contact pilotage on the main part 142 of described switch 14, be respectively a left side and connect contact pilotage 144-1 and the right contact pilotage 144-2 that is connected; The a pair of short circuit contact pilotage that directly is communicated with on wiring board 8 each other is left short circuit contact pilotage 146-1 and the right short circuit contact pilotage 146-2 that communicates with each other.The a pair of connection contact pilotage of each switch will be corresponding with it attenuator 13 places in circuit, promptly the left side of each switch connects contact pilotage 144-1 and the right side and is connected contact pilotage 144-2 and is electrically connected respectively and with the both sides of its corresponding attenuator 13.The a pair of short circuit contact pilotage of each switch 14 will be corresponding with it attenuator 8 short circuits.Described switch 14 comprises that also selection is connected the button portion 141 that contact pilotage is electrically connected or is electrically connected with a pair of short circuit contact pilotage respectively with a pair of respectively with a pair of main contact pilotage, and described radiating shell stretches out with each switch 14 corresponding switch hole 73 respectively by a plurality of of setting on the back fin 7 as shown in Figure 2 in described button portion.
Described attenuator 13 can be " one " font and arrange on wiring board 8.
As shown in Figure 3, a pair of short circuit contact pilotage on the main part 142 of described switch 14, a pair of main contact pilotage and a pair of contact pilotage that is connected are arranged in order from front to back.
As shown in Figure 2, described back fin 7 inwall on, be provided with guide pad 72 into button portion 141 guiding of switch 14 in the both sides of each switch hole 73.
As shown in Figure 4, the a pair of short circuit contact pilotage of described switch 14, a pair of main contact pilotage and a pair of contact pilotage that is connected are actually a double-point double-throw switch, Fig. 4 illustrates above-mentioned annexation by three switches 14, the selector switch of the button portion 141 control double-point double-throw switchs of switch 14.
The button portion 141 when switch 14 of can being provided with is during for normal condition, the a pair of main contact pilotage of switch 14 is electrically connected with a pair of short circuit contact pilotage respectively, this moment and these switch 14 corresponding attenuators 13 line attachment not, if press button portion 141, then control a pair of main contact pilotage and be electrically connected this moment and these switch 14 corresponding attenuator 13 line attachments with a pair of contact pilotage that is connected respectively.Perhaps opposite with above-mentioned situation for the setting of switch 14, be not in any connection status when perhaps switch 14 is for normal condition, need by different selection access attenuators or with the attenuator short circuit.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (5)
1. step attenuator, it is characterized in that: comprise radiating shell, described radiating shell is provided with a plurality of switch holes; Attenuator, quantity is identical with described switch hole; One input adapter and an out splice going splice are connected on the outer wall of described radiating shell; A plurality of switches, identical with the quantity of described switch hole, described switch is corresponding one by one with attenuator, described switch comprises main part, described main part has a pair of main contact pilotage, be electrically connected to each other between adjacent two main contact pilotages of adjacent switch, the main contact pilotage in the outside of two switches in the outside is electrically connected with the inner core of described input adapter and the inner core of out splice going splice respectively, also have a pair of connection contact pilotage and a pair of short circuit contact pilotage that is in direct communication with one another on the main part of described switch, the a pair of connection contact pilotage of each switch will be corresponding with it the attenuator place in circuit, the a pair of short circuit contact pilotage of each switch will be corresponding with it the attenuator short circuit, described switch comprises that also selection is connected the button portion that contact pilotage is electrically connected or is electrically connected with a pair of short circuit contact pilotage respectively with a pair of respectively with a pair of main contact pilotage, and described radiating shell stretches out by switch hole corresponding with it in described button portion.
2. a kind of step attenuator according to claim 1 is characterized in that: described radiating shell inside is equipped with wiring board, and described a plurality of attenuators are connected on the wiring board; The a pair of short circuit contact pilotage of described each switch is electrically connected on described wiring board; Adjacent two main contact pilotages of described adjacent switch are electrically connected on described wiring board.
3. a kind of step attenuator according to claim 2 is characterized in that: described attenuator is " one " font in the circuit board and arranges.
4. a kind of step attenuator according to claim 3 is characterized in that: a pair of short circuit contact pilotage of the main part of described switch, a pair of main contact pilotage and a pair of contact pilotage that is connected are arranged in order from front to back.
5. each described a kind of step attenuator in requiring according to aforesaid right is characterized in that: on the inwall of described radiating shell, the both sides of each switch hole are provided with the guide pad into the button portion guiding of switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201632982U CN201490311U (en) | 2009-07-02 | 2009-07-02 | Step attenuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201632982U CN201490311U (en) | 2009-07-02 | 2009-07-02 | Step attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490311U true CN201490311U (en) | 2010-05-26 |
Family
ID=42429179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201632982U Expired - Fee Related CN201490311U (en) | 2009-07-02 | 2009-07-02 | Step attenuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124495A (en) * | 2014-07-08 | 2014-10-29 | 中国电子科技集团公司第四十一研究所 | Radio frequency mechanical switch and microwave program control step attenuator |
| CN108717987A (en) * | 2018-06-14 | 2018-10-30 | 中国电子科技集团公司第四十研究所 | A kind of PXI buses step attenuator |
-
2009
- 2009-07-02 CN CN2009201632982U patent/CN201490311U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124495A (en) * | 2014-07-08 | 2014-10-29 | 中国电子科技集团公司第四十一研究所 | Radio frequency mechanical switch and microwave program control step attenuator |
| CN108717987A (en) * | 2018-06-14 | 2018-10-30 | 中国电子科技集团公司第四十研究所 | A kind of PXI buses step attenuator |
| CN108717987B (en) * | 2018-06-14 | 2020-11-17 | 中国电子科技集团公司第四十一研究所 | PXI bus step attenuator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20170702 |