CN201576856U - Low-frequency standard signal switching device - Google Patents
Low-frequency standard signal switching device Download PDFInfo
- Publication number
- CN201576856U CN201576856U CN2009202747292U CN200920274729U CN201576856U CN 201576856 U CN201576856 U CN 201576856U CN 2009202747292 U CN2009202747292 U CN 2009202747292U CN 200920274729 U CN200920274729 U CN 200920274729U CN 201576856 U CN201576856 U CN 201576856U
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- socket
- switching device
- signal switching
- standard signal
- frequency standard
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Abstract
The utility model relates to a low-frequency standard signal switching device, which comprises a junction box, a ZIF (zero insertion force) socket, a first socket, a second socket and a fuse socket, wherein the ZIF socket is connected with an adaptor; a locking handle is arranged on the ZIF socket; and the first socket, the second socket and the fuse socket are positioned on a rear panel of the junction box. Compared with the prior art, the low-frequency standard signal switching device has the advantages of small insertion force, good safety and reliability and the like.
Description
Technical field
The utility model relates to signal switching apparatus, especially relates to a kind of low frequency standard signal switching device shifter.
Background technology
At present, employed standard signal switching device shifter mainly contains VPC90 and these two kinds of signal switching apparatus shortcomings of ARINC 608A interface shape mainly are to cost an arm and a leg in the aviation field of automatic testing at home and abroad, and volume is big, and contact engaging and separating force is big.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of contact engaging and separating force little, safe and reliable low frequency standard signal switching device shifter for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of low frequency standard signal switching device shifter, it is characterized in that, this device comprises junction box, ZIF zero insertion force socket, first socket, second socket, fuse holder, described ZIF zero insertion force socket is connected with adapter, described ZIF zero insertion force socket is provided with lock handle, and described first socket, second socket, fuse holder are positioned on junction box's the rear board.
Described first socket is 15, and this first socket is connected with relay module in the PXI cabinet.
Described second socket is 2.
Described junction box's front face is provided with mains switch, power supply indicator, hold-down screw.
The plate face also is provided with supply socket, input test supply socket, power supply base behind the described junction box.
Compared with prior art, the utlity model has following advantage:
1, contact engaging and separating force is little: when docking with adapter, contact engaging and separating force is little, and is easy and convenient;
2, volume is little: have 624 contact pin holding wires, can realize that multiple signal switches;
3, safe and reliable: have locking device, safe and reliable;
4, plurality of distribution mode: signal can be from the output of ZIF end, also plate second socket output from behind;
5, have power supply output control and defencive function.
Description of drawings
Fig. 1 is the front-panel structure schematic diagram of a kind of low frequency standard signal of the utility model switching device shifter;
Fig. 2 is that the rear board of a kind of low frequency standard signal of the utility model switching device shifter receives schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1 and Figure 2, a kind of low frequency standard signal switching device shifter, this device comprises junction box, ZIF zero insertion force socket, first socket, second socket, fuse holder, described ZIF zero insertion force socket is connected with adapter, described ZIF zero insertion force socket is provided with lock handle, and described first socket, second socket, fuse holder are positioned on junction box's the rear board.
Junction box's front panel is as shown in the table:
| Sequence number | Title | Mark | Function |
| a | Power supply indicator | Whether the each several part power supply that the control case is cut in indication is normal | |
| b | Mains switch | POWER | Be used for switch and cut control case power supply.By this switch controls junction box, the power supply of PXI chassis power supply. |
| c | The ZIF zero insertion force socket | Be used for being connected (after opening the Qianmen, can see this plug) with each adapter | |
| d | Hold-down screw | Be used for opening and link case Qianmen | |
| e | Lock handle | Be used for locking zero insertion force socket when connecting |
Junction box's rear board is as shown in the table:
| Sequence number | Title | Mark | Function |
| 1 | Fuse holder | 220V/8A | Prevent that alternating current 220V power supply short circuit or load are excessive |
| 2 | Fuse holder | 115V/5A | It is excessive to prevent to exchange 115V power supply short circuit or load |
| 3 | Fuse holder | 115V/5A | It is excessive to prevent to exchange 115V power supply short circuit or load |
| 4 | Fuse holder | 28V/5A | Prevent that direct current 28V power supply short circuit or load are excessive |
| 5 | Fuse holder | 28V/5A | Prevent that direct current 28V power supply short circuit or load are excessive |
| 6 | Supply socket | AC 220V | The required 220V AC power of control case various piece is cut in input |
| 7 | The input test supply socket | AC 115V/DC | Needed 115V exchanges and 28V during input test |
| 28V | DC power supply |
| Sequence number | | Mark | Function | |
| 8 | Power supply base | POWER OUT | Output 220V alternating current is supplied with the PXI cabinet, exports 2 road 115V interchange and 2 road 28V direct currents to 624 core zero insertion force plugs | |
| 9 | First socket | C01---C15 | Be used for connecting 15 cables that link to each other with the relay module of PXI cabinet, thereby each relay common port and normal beginning are guided on DBQ-3A/IF junction box's |
|
| 10 | Second socket | FST01 | Be used to connect the TEST01 socket of signal flap | |
| 11 | The 3rd socket | FST02 | Be used to connect the TEST02 socket of signal flap |
PXI bus cabinet is installed in detection system rack inside, outside visible at rack only is its interface, it is the ZIF plug, the ZIF socket is installed above the adapter (TUA), the mode adapter that patches by the nothing plug couples together equipment under test (UUT) and automatic checkout system (ATE), sets up the signal transmission switching channel between the two.
Open junction box's Qianmen; take out the protection rubber cap of ZIF zero insertion force plug; when guaranteeing that lock handle on the plug is in open mode (lock handle is in the right of plug); with adapter carefully lentamente horizontal sliding go in the DBQ-3A/IF junction box up to contact (being that adapter is shifted the end onto) fully with ZIF zero insertion force plug, then lock handle is pushed locked position (being the left side that lock handle is in plug) and gets final product.Correctly install adapter and can carry out the detection of airborne equipment later on.Should in time adapter be taken out after finishing detection, elder generation after lock handle is pushed open position (pushing the right side from a left side) gets final product the adapter taking-up when getting adapter.
Claims (5)
1. low frequency standard signal switching device shifter, it is characterized in that, this device comprises junction box, ZIF zero insertion force socket, first socket, second socket, fuse holder, described ZIF zero insertion force socket is connected with adapter, described ZIF zero insertion force socket is provided with lock handle, and described first socket, second socket, fuse holder are positioned on junction box's the rear board.
2. a kind of low frequency standard signal switching device shifter according to claim 1 is characterized in that described first socket is 15, and this first socket is connected with relay module in the PXI cabinet.
3. a kind of low frequency standard signal switching device shifter according to claim 1 is characterized in that described second socket is 2.
4. a kind of low frequency standard signal switching device shifter according to claim 1 is characterized in that described junction box's front face is provided with mains switch, power supply indicator, hold-down screw.
5. a kind of low frequency standard signal switching device shifter according to claim 1 is characterized in that the plate face also is provided with supply socket, input test supply socket, power supply base behind the described junction box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202747292U CN201576856U (en) | 2009-12-17 | 2009-12-17 | Low-frequency standard signal switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202747292U CN201576856U (en) | 2009-12-17 | 2009-12-17 | Low-frequency standard signal switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201576856U true CN201576856U (en) | 2010-09-08 |
Family
ID=42696727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202747292U Expired - Fee Related CN201576856U (en) | 2009-12-17 | 2009-12-17 | Low-frequency standard signal switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201576856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208770A (en) * | 2020-03-02 | 2020-05-29 | 北京华力智飞科技有限公司 | Signal acquisition and test system and test method |
-
2009
- 2009-12-17 CN CN2009202747292U patent/CN201576856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111208770A (en) * | 2020-03-02 | 2020-05-29 | 北京华力智飞科技有限公司 | Signal acquisition and test system and test method |
| CN111208770B (en) * | 2020-03-02 | 2021-03-23 | 北京华力智飞科技有限公司 | Signal acquisition and test system and test method |
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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 |
Granted publication date: 20100908 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |