CN107885119A - A kind of universal parallel switch matrix system and method - Google Patents
A kind of universal parallel switch matrix system and method Download PDFInfo
- Publication number
- CN107885119A CN107885119A CN201711105192.2A CN201711105192A CN107885119A CN 107885119 A CN107885119 A CN 107885119A CN 201711105192 A CN201711105192 A CN 201711105192A CN 107885119 A CN107885119 A CN 107885119A
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- China
- Prior art keywords
- pxi
- main control
- driver element
- control unit
- relay switch
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2656—Instrumentation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
The invention discloses a kind of universal parallel switch matrix system and method, including：Main control unit, driver element and relay switch unit；Main control unit, driver element and relay switch unit are sequentially connected in series；Main control unit includes：PXI buses and PXI interface circuits；PXI buses are connected with PXI controllers, and the PXI interface circuits receive the information of PXI controllers by PXI buses and pass to driver element.Beneficial effect of the present invention：For combining form of the invention by the use of " the big voltage high-current source driving array of the passage of 16BIT dual power supplies conversion transceiver+8 " as the driving of relay, it is strong that the combining form takes small volume, driving force.
Description
Technical field
The present invention relates to a kind of universal parallel switch matrix system and method.
Background technology
Auto-Test System will be often tested hundreds of even thousands of kinds of unit under tests, and is frequently necessary to route and is cut
Change and multichannel data is carried out while gathered, this is just to the scale requirements more and more higher of parallel switch matrix.And with automatic
The miniaturization of test system, it is also more and more stricter to the volume requirement of parallel switch matrix.Existing large-scale parallel is opened
It is mostly desk-top instrument to close matrix, and this desk-top instrument has the following disadvantages：
1) bulky, portability is poor, is not suitable for building miniaturization Auto-Test System；
2) cost is high；
3) maintainability is poor.
Also a kind of existing parallel switch matrix module, although this modular instrument small volume, shortcoming are scales
Too small, unit under test quantity needs many block combiners when more, when setting up miniaturization Auto-Test System compared with desk-top instrument
Also without too big advantage.
Parallel switch matrix has very important status in Auto-Test System, right in automatization test system
The routes of various signals, switching are a critical functions of system, and can system realize general, expansible, automation, high
The key of efficiency.Parallel switch matrix can be arranged in pairs or groups according to different testing requirements with other functional units, set up automatic test system
System, and the automatic test for being widely used in a variety of electronics such as radar, communication, electronic countermeasure, enemy and we's identification, precise guidance is set
It is to enter row of channels in these systems to switch essential part in standby.
Existing desk-top parallel switch matrix overall plan is as shown in figure 1, desk-top parallel switch matrix mainly includes insertion
Formula CPU platforms, gpib interface, USB interface, parallel switch matrix, power supply circuit and heat dissipation equipment etc..Main control computer by network interface,
Gpib interface or USB interface enter row data communication with parallel switch matrix, and switch matrix receives the control life from main control computer
Order, and is translated and is explained to external command, and command information is sent into data/address bus, controls opening for switch module in slot
Concern is changed.
Following deficiency be present in such scheme：
(1) volume is big
Existing scheme is desk-top instrument scheme, and size is about width × height × depth=425mm × 175mm × 480mm, volume compared with
Greatly；
(2) cost is high
Desk-top parallel switch matrix includes embedded CPU module, gpib interface, USB interface, parallel switch matrix, power supply
Module, heat dissipation equipment, cabinet etc., the diversity of structural member cause its cost height；
(3) maintainability is poor
Existing desk-top parallel switch matrix if there is problem, it is necessary to take the cabinet of instrument apart, ask by progressively positioning
The module of topic and replacing, workload are very much not easy-maintaining.
The content of the invention
To solve the above problems, the invention discloses a kind of universal parallel switch matrix system and method, the system and side
Method integrates the advantages of desk-top instrument and modular instrument, has the advantages of multichannel, small size, disclosure satisfy that miniaturization certainly
The demand that route handoff and multichannel data gather simultaneously in dynamic test system.
To achieve these goals, the present invention adopts the following technical scheme that：
The invention discloses a kind of universal parallel switch matrix system, including：Main control unit, driver element and relay are opened
Close unit；
The main control unit, driver element and relay switch unit are sequentially connected in series；
The main control unit includes：PXI buses and PXI interface circuits；
The PXI buses are connected with PXI controllers, and the PXI interface circuits receive PXI controllers by PXI buses
Information simultaneously passes to driver element；
The main control unit is connected by PXI buses with PXI controllers, and the main control unit receives the control of PXI controllers
System instructs and is sent to driver element, and driver element is according to each relay in the information control relay switch element received
Working condition.
Further, universal parallel switch matrix system of the present invention also includes：Power subsystem, the power subsystem and master control
Unit, driver element and relay switch unit connect respectively, and the power subsystem is after power taking in the PXI buses of main control unit
Respectively main control unit, driver element and the power supply of relay switch unit.
Further, the driver element includes：FPGA control circuit and it is connected respectively with the FPGA control circuit
Dual power supply conversion transceiver and multichannel source driving array；The FPGA control circuit receives the control letter from main control unit
Dual power supply conversion transceiver is configured after breath, the dual power supply conversion transceiver turns the output voltage of FPGA control circuit
The voltage being changed to required for relay switch unit；Multichannel source driving array according to the control instruction received control after
The working condition of electrical switching element.
Preferably, the relay switch unit includes several SPST relays；The dual power supply conversion transceiver is
16BIT dual power supply conversion transceivers, the 16BIT dual power supplies conversion transceiver connect the big voltage high-current source driving of 28 passages
Array, per a piece of 8 passage, big voltage high-current source driving array connects 8 SPST relays.
Further, the SPST relays are 80.
Further, the relay switch unit connects 160 road male connectors, realizes the input and output of signal.
The invention also discloses a kind of method of work of universal parallel switch matrix system, including：
Main control unit obtains the control instruction of PXI controllers by PXI buses, and passes to driver element；
After driver element reads the control instruction received, output voltage is converted to needed for relay switch unit first
The supply voltage wanted, the on off state of antenna array control relay switch unit repeat circuit is then driven by multichannel source.
Beneficial effect of the present invention：
(1) volume is smaller
The present invention is the PXI bus universal parallel switch matrix modules of the mono- grooves of standard 3U, and maximum appearance and size is wide × high
× depth=21mm × 130mm × 216mm, volume greatly reduce, and fully combine desk-top switch matrix and modularization matrix switch
The advantages of, i.e. multichannel, small size；
(2) present invention utilizes the group of " the big voltage high-current source driving array of the passage of 16BIT dual power supplies conversion transceiver+8 "
Driving of the conjunction form as relay, it is strong that the combining form takes small volume, driving force；The present invention is from high pressure resistant resistance to high stream
SPST relays, can be suitably used for a variety of test occasions, versatility is strengthened；The selection of 160 road male connectors ensure that this hair
The bright parallel switch designs that 80 passages are realized in the PXI modules of the mono- grooves of 3U, each passage work independently, not interfere with each other.
(3) cost is lower
CPU module of the structure of the present invention not comprising desk-top instrument, gpib interface, USB interface, power module, cabinet etc., only
Comprising parallel switch matrix module, insertion PXI cabinets can work, and structural member is few, and cost substantially reduces；
(4) maintainability is stronger
The present invention is the module of PXI structure types, plugs convenient disassembly, if some passage goes wrong, only needs to search
The circuit of related channel program, positioning are convenient；The module that also directly can more renew in addition, simple quick, maintainability greatly improves.
(5) scalability is strong
The quantity of module of the present invention need to only be increased can just realize the multiplication of port number in the case where volume reduces very little, expand
Malleability greatly enhances, and is especially suitable for building extensive, expansible, high integration miniaturization Auto-Test System.
Brief description of the drawings
Fig. 1 is the scheme block diagram of existing desk-top parallel switch matrix；
Fig. 2 is the parallel switch matrix module principle block diagram of PXI buses of the present invention；
Fig. 3 is invention relay driving principle block diagram；
Fig. 4 defines for 160 core connector interfaces.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
The present invention provides a kind of miniaturization universal parallel switch matrix module of PXI structures, and the module is that switch form is
The universal switch module of the high-density multi-channel of 80 independent one wire system switching channels compositions, mainly by main control unit, driving
The functional units such as unit, power subsystem, relay switch unit form, and its theory diagram is as shown in Fig. 2 main control unit, driving
Unit and relay switch unit are sequentially connected in series, power subsystem and main control unit, driver element and relay switch unit
Connect respectively.
Wherein, main control unit includes：PXI buses and PXI interface circuits；The present invention is connected by PXI buses and PXI cabinets
Connect, realize the interconnection with PXI embedded controllers, PXI interface circuits receive the letter of PXI embedded controllers by PXI buses
Cease and pass to driver element, realize and the state of the present invention is controlled；Meanwhile power subsystem obtains power supply also by PXI buses
Power supply.
Driver element includes：FPGA control circuit and the dual power supply conversion receipts being connected respectively with the FPGA control circuit
Send out device and multichannel source driving array；FPGA control circuit changes receipts after receiving the control information from main control unit to dual power supply
Hair device is configured, and dual power supply conversion transceiver is converted to the output voltage of FPGA control circuit needed for relay switch unit
The voltage wanted；Multichannel source drives working condition of the array according to the control instruction control relay switch element received.
Preferably, in order to reduce the volume of universal parallel switch matrix system, the double electricity of 16BIT are selected in the embodiment of the present invention
Source conversion transceiver and big voltage high-current source driving array (the High-Voltage High-Current Source of 8 passages
Driver Array) integrated mode driving relay, so each 16BIT dual power supplies conversion transceiver connection two panels 8 lead to
The big voltage high-current source driving array in road, by setting the drive control that can be realized to 80 SPST relays as 5 groups.
It should be noted that what is provided in the embodiment of the present invention is preferred embodiment, dual power supply conversion transceiver
The port number of digit and big voltage high-current source driving array is not limited thereto, and can be carried out reasonably according to being actually needed
Set.
Relay switch unit includes：Several single-pole single-throw(SPST (SPST) relays；Relay switch unit connects 160 tunnels
Male connector, realize the input and output of signal.
Main control unit is realized by protocol conversion and exchanged with the information between PXI embedded controllers；Driver element is main
Realize and receive PXI embedded controllers and to the combinatorial logic state control of relay switch；Power subsystem passes through main control unit
Power supply is obtained, is powered after a series of Power converts to each functional unit；Relay switch unit is high pressure resistant resistance to by 80
The high-performance SPST relay groups of height stream into, each passage can independent control, be independent of each other.
The present invention 3U, single groove PXI modules on realize 80 separate signal paths, make use of veneer to greatest extent
The space resources of single impression die block.
In order to strengthen the versatility of the invention, the relay of high pressure resistant resistance to high stream is selected, its power supply is+5V；It is right
The control of relay is relatively easy, in order to reduce cost, from low side FPGA.FPGA is used for control relay state
The power supply of IOBANK interfaces is+3.3V, therefore, driving relay FPGA must be exported by power conversion chip+
3.3V is converted to+5V, meanwhile, 80 separate signal paths need 80 single-pole single-throw(SPST (SPST) relays, how in single groove PXI
It is a very crucial technology that so many relay is driven in module.
Therefore, the present invention proposes a kind of utilization " big voltage high-current source driving of the passage of 16BIT dual power supplies conversion transceiver+8
The integrated mode driving relay of array (High-Voltage High-Current Source Driver Array) ",
FPGA+the 3.3V exported are converted to+5V by 16BIT dual power supplies conversion transceiver, are conveyed to the big voltage high-current source of 28 passages
Array is driven to drive 16 relays.So, only 5 groups of this combinations are needed to drive 80 relays.Concrete principle such as Fig. 3
It is shown.
Using the 160 road male connectors for meeting DIN41612 standards, the input and output of 80 channel signals are realized.The connection
Device is the array structure forms of 5 row * 32, is especially suitable for the input and output for being used as miniaturization large-scale switches matrix module.According to circuit
Device layout, interconnected also for convenient with test system, as shown in figure 4, in figure, A1 represents passage 1 for interface of the invention definition
Input interface, C1 represent the output interface of passage 1, by that analogy.
The present invention utilizes " the big voltage high-current source driving array of the passage of 16BIT dual power supplies conversion transceiver+8+high pressure resistant resistance to
The combining form of the road male connector of SPST relays+160 of height stream ", the miniaturization for realizing PXI interface shapes switch parallel
Matrix module.Relay used in the present invention is high pressure resistant resistance to high stream type, enhances the versatility of the present invention.Using passage
The more occasion of number, the quantity by increasing the parallel switch matrix can be achieved with the multiplication of port number, and flexibility is high, versatility
By force, it is especially suitable for building extensive, expansible, high integration miniaturization Auto-Test System.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (7)
- A kind of 1. universal parallel switch matrix system, it is characterised in that including：Main control unit, driver element and relay switch Unit；The main control unit, driver element and relay switch unit are sequentially connected in series；The main control unit includes：PXI buses and PXI interface circuits；The PXI buses are connected with PXI controllers, and the PXI interface circuits receive the information of PXI controllers by PXI buses And pass to driver element；The main control unit is connected by PXI buses with PXI controllers, and the control that the main control unit receives PXI controllers refers to Make and be sent to driver element, the group that driver element switchs according to the information control relay switch element repeat circuit received Logical state.
- 2. a kind of universal parallel switch matrix system as claimed in claim 1, it is characterised in that also include：Power subsystem, institute State power subsystem to be connected respectively with main control unit, driver element and relay switch unit, the power subsystem is from main control unit PXI buses on be respectively main control unit, driver element and the power supply of relay switch unit after power taking.
- 3. a kind of universal parallel switch matrix system as claimed in claim 1, it is characterised in that the driver element includes： FPGA control circuit and the dual power supply conversion transceiver being connected respectively with the FPGA control circuit and multichannel source driving battle array Row；The FPGA control circuit configures after receiving the control information from main control unit to dual power supply conversion transceiver, institute State dual power supply conversion transceiver and the output voltage of FPGA control circuit is converted to voltage required for relay switch unit；Institute State working condition of the multichannel source driving array according to the control instruction control relay switch element received.
- A kind of 4. universal parallel switch matrix system as claimed in claim 1, it is characterised in that the relay switch unit Including several SPST relays；The dual power supply conversion transceiver is 16BIT dual power supply conversion transceivers, and the 16BIT is double Power convert transceiver connects the big voltage high-current source driving array of 28 passages, and per a piece of 8 passage, big voltage high-current source is driven Dynamic array connects 8 SPST relays.
- 5. a kind of universal parallel switch matrix system as claimed in claim 1, it is characterised in that the SPST relays are 80 It is individual.
- A kind of 6. universal parallel switch matrix system as claimed in claim 1, it is characterised in that the relay switch unit 160 road male connectors are connected, realize the input and output of signal.
- A kind of 7. method of work of universal parallel switch matrix system as claimed in claim 1, it is characterised in that including：Main control unit obtains the control instruction of PXI controllers by PXI buses, and passes to driver element；After driver element reads the control instruction that receives, required for output voltage is converted into relay switch unit first Supply voltage, the on off state of antenna array control relay switch unit repeat circuit is then driven by multichannel source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105192.2A CN107885119A (en) | 2017-11-10 | 2017-11-10 | A kind of universal parallel switch matrix system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711105192.2A CN107885119A (en) | 2017-11-10 | 2017-11-10 | A kind of universal parallel switch matrix system and method |
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| CN107885119A true CN107885119A (en) | 2018-04-06 |
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| CN201711105192.2A Pending CN107885119A (en) | 2017-11-10 | 2017-11-10 | A kind of universal parallel switch matrix system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633417A (en) * | 2019-01-31 | 2019-04-16 | 上海华虹宏力半导体制造有限公司 | Multi-chip is the same as geodesic structure and method |
| CN110514929A (en) * | 2019-08-22 | 2019-11-29 | 上海无线电设备研究所 | A kind of radio frequency component general automation test macro |
| CN113223897A (en) * | 2021-04-29 | 2021-08-06 | 中国电子科技集团公司第五十八研究所 | Highly flexible relay array system |
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| CN204086955U (en) * | 2014-08-26 | 2015-01-07 | 北京精密机电控制设备研究所 | Portable multi-protocols dual bus multistage integratedization electromechanical coupling system measure and control device |
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| 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 |
| CN204086955U (en) * | 2014-08-26 | 2015-01-07 | 北京精密机电控制设备研究所 | Portable multi-protocols dual bus multistage integratedization electromechanical coupling system measure and control device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633417A (en) * | 2019-01-31 | 2019-04-16 | 上海华虹宏力半导体制造有限公司 | Multi-chip is the same as geodesic structure and method |
| CN110514929A (en) * | 2019-08-22 | 2019-11-29 | 上海无线电设备研究所 | A kind of radio frequency component general automation test macro |
| CN113223897A (en) * | 2021-04-29 | 2021-08-06 | 中国电子科技集团公司第五十八研究所 | Highly flexible relay array system |
| CN113223897B (en) * | 2021-04-29 | 2022-08-16 | 中国电子科技集团公司第五十八研究所 | Highly flexible relay array system |
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Application publication date: 20180406 |
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