CN104486177B - A kind of extensive restructural RF switch network based on PXI buses - Google Patents
A kind of extensive restructural RF switch network based on PXI buses Download PDFInfo
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- CN104486177B CN104486177B CN201410827282.2A CN201410827282A CN104486177B CN 104486177 B CN104486177 B CN 104486177B CN 201410827282 A CN201410827282 A CN 201410827282A CN 104486177 B CN104486177 B CN 104486177B
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Abstract
The invention discloses a kind of extensive restructural RF switch network based on PXI buses, it is related to satellite navigation testing field.The present invention is mainly made up of interface synthesis unit, topological line, switching switch element, PXI monitoring units, PXI Bus Interface Units and local display and control unit etc..The line that the present invention realizes the signal link handoff relation of complexity according to user's request using the design of large-scale complex handoff relation designs, possess restructural, low redundancy, economy, configuration flexibly, high reliability the features such as, the switching network of the complicated handoff relation of the low redundancy based on actual demand can be realized, especially suitable for link gating device of the satellite navigation system as the test channel system of large-scale complex link signal.
Description
Technical field
The present invention relates to satellite navigation testing field, is penetrated more particularly to a kind of extensive restructural based on PXI buses
Frequency switching network, especially suitable for link choosing of the satellite navigation system as the test channel system of large-scale complex link signal
Logical equipment.
Background technology
The high position precision of satellite navigation system depends on calibration and measurement of the earth station for channel link time delay.Due to
Earth station is larger, and radio frequency link is more, and relatively long, and crosses over different temperature environments, and its cable and equipment are easily
Influenceed by temperature, humidity and mechanical deformation, cause chain-circuit time delay change to be present.In addition, in order to ensure satellite navigation system
Earth station health operation, the status monitoring and Performance Evaluation of its whole station channel link are also very necessary.So in order to facilitate user
Latency measurement and status monitoring and Performance Evaluation to the whole station of satellite navigation earth station progress using large-scale matrix, it is necessary to be opened
Close and realize complicated link switching relation.
Both at home and abroad, existing universal matrix switch network at present, still, current existing matrix switch network to user
The specific aim of demand is not strong, and redundancy is very high, it is impossible to cut for user's request, not restructural, therefore in cost, rule
Made troubles on mould to user.
The content of the invention
The technical problems to be solved by the invention provide a kind of big in the weak point in above-mentioned background technology is avoided
Scale restructural RF switch network.The present invention possesses the spies such as restructural, low redundancy, economy, the flexible, high reliability of configuration
It point, can be cut according to user's actual need, realize miniaturization, the generalization of equipment, and reduce cost.
In order to solve the above technical problems, the present invention is achieved through the following technical solutions：A kind of big rule based on PXI buses
Mould restructural RF switch network, it is characterised in that：Including interface synthesis unit 1, topological line 2, switching switch element 3, PXI
Monitoring unit 4, PXI Bus Interface Units 5 and local display and control unit 6；Interface synthesis unit 1 is provided with to be set with multiple launch terminals
The multiple terminal devices interface that standby and multiple receiving terminal apparatus are connected one to one, interface synthesis unit 1 it is more
Individual topological line interface is connected by topological line 2 with switching multiple cable ports of switch element 3, interface synthesis unit 1
The radiofrequency signal for exporting launch terminal equipment by topological line 2 and switch switch element 3 switching gating, be output to
Corresponding receiving terminal apparatus；Multiple control input output ports of switching switch element 3 are more with PXI Bus Interface Units 5
Individual control I/O mouth, which corresponds, to be connected；PXI monitoring units 4 receive remote control signal by Ethernet interface and led to
PXI Bus Interface Units 5 are crossed to export remote control signal to local display and control unit 6；Local display and control unit 6 is by the long-range of reception
Control signal is compiled to form control signal and export to PXI Bus Interface Units 5, and the switch switching state of reception is passed through
PXI Bus Interface Units 5 are exported to PXI monitoring units 4, and UNICOM's state between the terminal device realized of real-time display；
PXI Bus Interface Units 5 control the switch in switching switch element 3 to switch over gating action according to the control signal of reception；
Switching switch element 3 exports the switch switching state of itself to local display and control unit 6 by PXI Bus Interface Units 5.
Wherein, described local display and control unit 6 is possesses the tablet PC with touch-screen, and tablet PC is equipped with local
Control software, the switch in switching switch element 3 is controlled to enter through PXI Bus Interface Units 5 in local operation local control software
Row switching gating action.
Wherein, the topological line 2 and switching switch element 3 form switching network, and topological line 2 is switching switch element
Line between 3 and interface synthesis unit 1, the topological line are specially：The multiple terminal devices interface of interface synthesis unit 1 it
Between can by switching network switch be connected.
Wherein, the switching switch element 3 is made up of multiple switching switch element PXI boards, and each switching switch is single
First PXI boards possess two 2 and select 1 coaxial switch.
The present invention has the following advantages that compared to background technology：
1st, the present invention is realized using the switching switch element based on PXI buses, versatile, flexibly configurable；
2nd, the present invention has the line relation that can be designed according to user's request, can be reconstructed for user's request；
3rd, interface of the invention, line relation and switching switch element can be increased and decreased according to user's request, maximum limit
The reduction device redundancy of degree, makes equipment possess very high economy；
4th, the present invention can be locally displayed and control UNICOM's state of link, possess complete independent aobvious control function.
Brief description of the drawings
Fig. 1 is the electric functional-block diagram of the present invention；
Fig. 2 is terminal device interface line relation schematic diagram of the embodiment of the present invention；
Fig. 3 is switch network degeneracy result schematic diagram；
Fig. 4 is switching switch element schematic diagram of the embodiment of the present invention.
Embodiment
With reference to Fig. 1 to Fig. 4, the invention will be further described.
A kind of extensive restructural RF switch network based on PXI buses, including interface synthesis unit 1, topological line
2nd, switch element 3, PXI monitoring units 4, PXI Bus Interface Units 5 and local display and control unit 6 are switched.Embodiment presses Fig. 1 connections
Circuit.
Interface synthesis unit 1 is to possess the adapter unit of required model connector, its effect be by launch terminal equipment with
And receiving terminal apparatus introduces the switching network realized by topological line 2 and switching switch element 3.Topological line 2 is coaxial electrical
Cable, half steel cable or flexible radio frequency cable can be used, topological line 2 customizes according to user's request, and effect is needed for realization
Each terminal device interface switching gating relation.Switching switch element 3 is by selecting multiple standards of 1 coaxial switch with two 2
Switch switch element PXI boards to form, wherein, switching switch element PXI boards can select different working frequency range according to demand,
Up to 40GHz；Switch switch element determined by the line relation for the terminal device that its usage quantity proposes according to user
Actual use quantity is increased and decreased.PXI monitoring units 4 are the standard PXI boards for possessing cable interface and serial line interface.PXI is total
Line interface unit 5 is to possess the universal backboards of PXI interfaces, to realize the interconnection of PXI buses between board.Local display and control unit
6 be the tablet personal computer for possessing touch screen, and local aobvious control platform is provided as local host computer；Local control software runs on local
Display and control unit 6, realize the aobvious control function of local switching gating relation.
The abstract designs principle of topological line 2 in the present invention is exemplified below：
1st, the complete total interface enumerated user and need the terminal device of switching network switching gating, and needed for user eventually
Specific line relation between end equipment total interface, the line relation between terminal device interface are as shown in Figure 2；
2nd, by one end is connected to multiple different terminal equipment interfaces in these line relations and the other end is connected to same group
Multiple terminal devices interface radial line Shu Jinhang degeneracys, multiselect one will can be carried out with the line Shu Yiduan of degeneracy,
As shown in Figures 2 and 3, Fig. 2 to Fig. 3 change indicates the process of degeneracy, and the switch that the circle in Fig. 3 represents alternative is cut
Change relation；
3rd, it is to possess the 2 switching switch elements for selecting 1 coaxial switch by the bifurcation processing of all line relations after processing
The switching switch element that PXI boards combine, the switching switch element are as shown in Figure 4.
Claims (3)
- A kind of 1. extensive restructural RF switch network based on PXI buses, it is characterised in that：Including interface synthesis unit (1), topological line (2), switching switch element (3), PXI monitoring units (4), PXI Bus Interface Units (5) and local aobvious control are single First (6)；Interface synthesis unit (1) is provided with to be carried out one a pair with multiple launch terminal equipment and multiple receiving terminal apparatus The multiple terminal devices interface that should be connected, multiple topological line interfaces of interface synthesis unit (1) are by topological line (2) with cutting The multiple cable ports for changing switch element (3) are connected, the radio frequency for the exporting launch terminal equipment letter of interface synthesis unit (1) The switching gating of number topological line of process (2) and switching switch element (3), is output to corresponding receiving terminal apparatus；Switching Multiple control input output ports of switch element (3) and multiple control I/O mouths one of PXI Bus Interface Units (5) One is corresponding connected；PXI monitoring units (4) receive remote control signal by Ethernet interface and pass through PXI Bus Interface Units (5) remote control signal is exported to local display and control unit (6)；Local display and control unit (6) enters the remote control signal of reception Row compiling forms control signal and exported to PXI Bus Interface Units (5), and the switch switching state of reception is passed through into PXI buses Interface unit (5) output is to PXI monitoring units (4), and UNICOM's state between the terminal device realized of real-time display；PXI Bus Interface Unit (5) controls the switch in switching switch element (3) to switch over gating action according to the control signal of reception； Switch switch element (3) to export the switch switching state of itself to local display and control unit by PXI Bus Interface Units (5) (6)；The topological line (2) and switching switch element (3) form switching network, and topological line (2) is switching switch element (3) Line between interface synthesis unit (1), the topological line are specially：The multiple terminal devices of interface synthesis unit (1) connect It can be switched between mouthful by switching network and be connected.
- 2. a kind of extensive restructural RF switch network based on PXI buses according to claim 1, its feature exist In：For described local display and control unit (6) to possess the tablet PC with touch-screen, it is soft that tablet PC is equipped with local control Part, the switch in switching switch element (3) is controlled to carry out through PXI Bus Interface Units (5) in local operation local control software Switch gating action.
- 3. a kind of extensive restructural RF switch network based on PXI buses according to claim 1, its feature exist In：The switching switch element (3) is made up of multiple switching switch element PXI boards, each switching switch element PXI board Possess two 2 and select 1 coaxial switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410827282.2A CN104486177B (en) | 2014-12-26 | 2014-12-26 | A kind of extensive restructural RF switch network based on PXI buses |
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| CN201410827282.2A CN104486177B (en) | 2014-12-26 | 2014-12-26 | A kind of extensive restructural RF switch network based on PXI buses |
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| CN104486177A CN104486177A (en) | 2015-04-01 |
| CN104486177B true CN104486177B (en) | 2018-03-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254108B (en) * | 2016-08-01 | 2019-05-24 | 北京百度网讯科技有限公司 | Transmission path management method and device for data transmission network |
| CN106453157A (en) * | 2016-11-09 | 2017-02-22 | 上海卫星工程研究所 | Universal signal link control and routing device |
| CN113839722B (en) * | 2021-08-18 | 2022-12-02 | 中国信息通信研究院 | System, method and device for testing performance of satellite communication system |
| CN113867308A (en) * | 2021-08-30 | 2021-12-31 | 航天东方红卫星有限公司 | Portable minisatellite parallel acquisition control terminal |
| CN115296693A (en) * | 2022-08-03 | 2022-11-04 | 国核自仪系统工程有限公司 | Communication transceiver and communication transceiving system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312424A (en) * | 2013-07-02 | 2013-09-18 | 山东科技大学 | Control method and system for multiple switches in automatic testing system |
| CN103592477A (en) * | 2013-11-19 | 2014-02-19 | 中国电子科技集团公司第四十一研究所 | Aerospace level capacitor test switch channel |
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2014
- 2014-12-26 CN CN201410827282.2A patent/CN104486177B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312424A (en) * | 2013-07-02 | 2013-09-18 | 山东科技大学 | Control method and system for multiple switches in automatic testing system |
| CN103592477A (en) * | 2013-11-19 | 2014-02-19 | 中国电子科技集团公司第四十一研究所 | Aerospace level capacitor test switch channel |
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Effective date of registration: 20190610 Address after: 050081 Navigation Department, No. 54, 589 Zhongshan West Road, Shijiazhuang City, Hebei Province Co-patentee after: Beijing mechanical and electrical engineering general design department Patentee after: No.54 Inst., China Electronic Sci. & Tech. Group Co. Address before: 050081 Navigation Department, No. 54, 589 Zhongshan West Road, Shijiazhuang City, Hebei Province Patentee before: No.54 Inst., China Electronic Sci. & Tech. Group Co. |