CN205961111U - Shortwave switching matrix sharing system with wireless blind function of inserting - Google Patents
Shortwave switching matrix sharing system with wireless blind function of inserting Download PDFInfo
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- CN205961111U CN205961111U CN201620917686.5U CN201620917686U CN205961111U CN 205961111 U CN205961111 U CN 205961111U CN 201620917686 U CN201620917686 U CN 201620917686U CN 205961111 U CN205961111 U CN 205961111U
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Abstract
The utility model discloses a shortwave switching matrix sharing system with wireless blind function of inserting, including power module, main control board module, wireless module, at least one 16 crosspoint, power module links to each other with main control board module, 16 crosspoints, and main control board module and 16 crosspoints link to each other, and wireless module links to each other with the main control board module, and power module includes interconnect's alternating current filter and power module, and the main control board module includes VFD display device, SPI bus, the microprocessor who takes the keyboard, and wireless module includes that communication circuit, radio frequency circuit, 16 crosspoints of RS232, 16 include 16 1: 16 ware, 16 are divided to active merit: 1 the switch. The utility model has the advantages of: there are the higher linearity, lower noise and higher gain, the problem of conventional PIN switch second order inter -modulation distortion serious is solved, the problem of equipment bulky with the many and load of cable is solved.
Description
Technical field
This utility model is related to a kind of switch system and in particular to a kind of shortwave with wireless blind plugging function exchanges square
Battle array sharing system.
Background technology
In recent years, shortwave switching matrix sharing system has obtained great application in civil area, and traditional system is not
The requirement of current technological development, therefore domestic market urgent needss shortwave switching matrix sharing system can be met.With China no
The developing on an unprecedented scale of line telecommunication cause and radio and television services, the requirement to shortwave switching matrix sharing system for the country is increasingly
Height, just sharply increases to the demand of this Project Product.
At present, army, Wireless Management Committee and Broadcast and TV system just have set more than 1000 in radio monitoring equipment, these
Equipment majority is backward in technique, outmoded aging, cannot adapt to growing shortwave switching matrix sharing system task, especially
The needs of security protection cannot have been met.The technology of the fast development with home broadcasting tv undertakingses and shortwave pretreatment system is entered
Step, the unit such as Communication in China department will increase steadily in the input of shortwave switching matrix.
Utility model content
Technical problem to be solved in the utility model is that the equipment majority of the units such as Communication in China department is backward in technique, old
Old aging it is therefore intended that providing a kind of shortwave switching matrix sharing system with wireless blind plugging function, solve traditional exchange
Matrix cannot adapt to growing shortwave switching matrix sharing system task, especially cannot meet the needs of security protection
Problem.
This utility model is achieved through the following technical solutions：
A kind of shortwave switching matrix sharing system with wireless blind plugging function, including supply module, master control plate module, no
Wire module, at least one 16 × 16 crosspoint；Supply module is connected with master control plate module, 16 × 16 crosspoints, master control borad
Module is connected with 16 × 16 crosspoints, and wireless module is connected with master control plate module.
Supply module：220V AC rectification is the unidirectional current of 5V, 12V, to master control plate module, 16 × 16 crosspoints
Power supply；
Master control plate module：Send control signal to 16 × 16 crosspoints, control 16 × 16 crosspoints；
Wireless module：Signal exchange is carried out by radiofrequency signal and other equipment.
16 × 16 crosspoints：Receive the control signal that master control plate module sends, to the signal controlling needs to exchange.System
Mainly adopt modularized design thinking, system components are carried out independent studies design it is ensured that the research and development of project each module can be quick
Carry out system assembling, supply module is powered to whole switching matrix, and master control plate module is controlled to input/output signal, wirelessly
Module and the external world carry out signal communication, and 16 × 16 crosspoints complete signal exchange work.
Described supply module includes interconnective alternating current filter and power module；
Alternating current filter：220V alternating current is become direct current electricity output to power module after rectifying and wave-filtering；
Power module：Receive the unidirectional current of alternating current filter conveying, transformation is processed as+5V, -5V and+12V direct current output arrives
Master control plate module, 16 × 16 crosspoints.Using high-quality Switching Power Supply, 220V external AC is converted into DC supply internal components
Use, and add decoupling capacitance in device for electric position, filter the power supply ripple that power supply process does not totally bring.
Described master control plate module includes the VFD display device with keyboard, spi bus, microprocessor, telecommunication circuit；Micro- place
Reason device is connected with the VFD display device of keyboard and telecommunication circuit, and microprocessor passes through spi bus to described 16 × 16 crosspoints
Send control signal；
VFD display device with keyboard：Keyboard receives outside input control parameter, and control parameter is sent to microprocessor
Device, the data display receiving microprocessor is on VFD display screen；
Spi bus：Connect microprocessor and described 16 × 16 crosspoints；
Microprocessor：Receive wirelessly by the signal of spi bus reception 16 × 16 crosspoints transmission, by telecommunication circuit
The signal of module, outputs a control signal to spi bus according to control parameter, the signal after processing is sent to wireless mould simultaneously
Block；
Telecommunication circuit：Receive the signal of wireless module, and be sent to microprocessor；Receive the signal of microprocessor and send
To wireless module.Microprocessor is entered to switching matrix by spi bus after external connection keyboard or telecommunication circuit obtain control parameter
Row controls, and passes through telecommunication circuit simultaneously and sends to wireless module.
Described wireless module includes telecommunication circuit, radio circuit, RS232；
Telecommunication circuit：Receive the signal of wireless module, and be sent to microprocessor；Receive the signal of microprocessor and send
To wireless module；
Radio circuit：Receive extraneous radio frequency signals, and be sent to telecommunication circuit；Receive the signal of telecommunication circuit, be converted into
It is sent out after radiofrequency signal；
RS232：Connecting interface between telecommunication circuit, radio circuit.Cable connection between two modules, connection cable is many
And load, and high cost, company oneself designs blindmate formula radio frequency connector, has carried out the no cable connection between two modules,
Reduce equipment volume, and expand the exchange scope of equipment.Also maintainability and operable is improved in terms of maintenance of equipment
Property, solve the problems, such as that equipment volume is huge and loading more with cable.
Described 16 × 16 crosspoint bags:16 1:16 activated distributors, 16 16:1 switch, each 1:16 active work(divide
Device all respectively with each 16:1 switch is set up and is connected；
1:16 activated distributors：Input signal is divided into 16 parts of identical signals to be separately sent to 16 16:1 switch；
16:1 switch：From 16 1:16 activated distributor receipt signals, export after combining.Switching matrix unit is back plate type
Hardware configuration on switch, the point-to-point realizing high speed for the face in each circuit board connects, there is provided can be in slot
Between each point-to-point connect and forward the mechanism of packet simultaneously.
Described 1:Be provided with 16 activated distributors input low-noise amplifier, 16:1 switch is fixed using PIN switch
Attenuator, using difference cancellation circuit.The selection of input amplifier is improper, it will cause more serious intermodulation distortion, adopts
The linearity of low-noise amplifier is high, and noise is low it is ensured that device systems index weighs design requirement, is fixed using PIN switch and declines
Subtract the mode of device, the circuit design technique that research and development difference offsets, solve conventional PIN switch serious the asking of second order intermodulation distortion
Topic, the system that fullys meet integrally requires.
This utility model compared with prior art, has such advantages as and beneficial effect：
1st, a kind of shortwave switching matrix sharing system with wireless blind plugging function, using back-off and rear linearization
Technology makes amplifier have the higher linearity, relatively low noise and higher gain.
2nd, a kind of shortwave switching matrix sharing system with wireless blind plugging function, is fixed attenuator using PIN switch
Mode, solve the problems, such as that conventional PIN switch second order intermodulation distortion is serious, the system that fullys meet integrally requires.
3rd, a kind of shortwave switching matrix sharing system with wireless blind plugging function, solves that equipment volume is huge and cable
The many and problem that loads.
Brief description
Accompanying drawing described herein is used for providing this utility model embodiment is further understood, and constitutes the one of the application
Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings：
Fig. 1 is this utility model system structure diagram.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment 1
As shown in figure 1, an a kind of shortwave switching matrix sharing system with wireless blind plugging function, including supply module,
Master control plate module, wireless module, at least one 16 × 16 crosspoint；Supply module is single with master control plate module, 16 × 16 exchanges
Unit is connected, and master control plate module is connected with 16 × 16 crosspoints, and wireless module is connected with master control plate module, using high-quality switch
Power supply, 220V external AC is converted into DC supply internal components and uses, and add decoupling capacitance in device for electric position, filter electricity
The power supply ripple that source process does not totally bring.Switch power module external input voltage:220V ± 22V/AC, 50Hz ± 5Hz；
Out-put supply：+ 12V/DC ,+5V/DC, -5V/DC, control module is using the VFD display device with keyboard, spi bus and monolithic
Machine forms, and wireless module is communicated using RS232 interface, enters row information using radiofrequency signal with the external world and exchanges, 16 × 16 friendships
Change unit bag:16 1:16 activated distributors, 16 16:1 switch, each 1:16 activated distributors all respectively with each 16:1 opens
Close to set up and connect, 1:Be provided with 16 activated distributors input low-noise amplifier, 16:1 switch is fixed using PIN switch and declines
Subtract device, using difference cancellation circuit.The selection of input amplifier is improper, it will cause more serious intermodulation distortion, using low
The linearity of noise amplifier is high, and noise is low it is ensured that device systems index weighs design requirement, is fixed decay using PIN switch
The mode of device, the circuit design technique that research and development difference offsets, solve the problems, such as that conventional PIN switch second order intermodulation distortion is serious,
The system that fullys meet integrally requires.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (6)
1. a kind of shortwave switching matrix sharing system with wireless blind plugging function is it is characterised in that include supply module, master control
Plate module, wireless module, at least one 16 × 16 crosspoint；Supply module and master control plate module, 16 × 16 crosspoint phases
Even, master control plate module is connected with 16 × 16 crosspoints, and wireless module is connected with master control plate module；
Supply module：220V AC rectification is the unidirectional current of 5V, 12V, supplies to master control plate module, 16 × 16 crosspoints
Electricity；
Master control plate module：Send control signal to 16 × 16 crosspoints, control 16 × 16 crosspoints；
Wireless module：Signal exchange is carried out by radiofrequency signal and other equipment；
16 × 16 crosspoints：Receive the control signal that master control plate module sends, to the signal controlling needs to exchange.
2. a kind of shortwave switching matrix sharing system with wireless blind plugging function according to claim 1, its feature exists
In described supply module includes interconnective alternating current filter and power module；
Alternating current filter：220V alternating current is become direct current electricity output to power module after rectifying and wave-filtering；
Power module：Receive the unidirectional current of alternating current filter conveying, transformation is processed as+5V, -5V and+12V direct current output to master control
Plate module, 16 × 16 crosspoints.
3. a kind of shortwave switching matrix sharing system with wireless blind plugging function according to claim 1, its feature exists
In described master control plate module includes the VFD display device with keyboard, spi bus, microprocessor, telecommunication circuit；Microprocessor with
The VFD display device of keyboard and telecommunication circuit connect, and microprocessor passes through spi bus and sends control to described 16 × 16 crosspoints
Signal processed；
VFD display device with keyboard：Keyboard receives outside input control parameter, control parameter is sent to microprocessor, connects
The data display receiving microprocessor is on VFD display screen；
Spi bus：Connect microprocessor and described 16 × 16 crosspoints；
Microprocessor：Receive wireless module by the signal of spi bus reception 16 × 16 crosspoints transmission, by telecommunication circuit
Signal, spi bus are output a control signal to according to control parameter, simultaneously by process after signal be sent to wireless module；
Telecommunication circuit：Receive the signal of wireless module, and be sent to microprocessor；Receive the signal of microprocessor and be sent to no
Wire module.
4. a kind of shortwave switching matrix sharing system with wireless blind plugging function according to claim 1, its feature exists
In described wireless module includes telecommunication circuit, radio circuit, RS232；
Telecommunication circuit：Receive the signal of wireless module, and be sent to microprocessor；Receive the signal of microprocessor and be sent to no
Wire module；
Radio circuit：Receive extraneous radio frequency signals, and be sent to telecommunication circuit；Receive the signal of telecommunication circuit, be converted into radio frequency
It is sent out after signal；
RS232：Connecting interface between telecommunication circuit, radio circuit.
5. a kind of shortwave switching matrix sharing system with wireless blind plugging function according to claim 1, its feature exists
In described 16 × 16 crosspoints include 16 1:16 activated distributors, 16 16:1 switch, each 1:16 activated distributors are all
Respectively with each 16:1 switch is set up and is connected；
1:16 activated distributors：Input signal is divided into 16 parts of identical signals to be separately sent to 16 16:1 switch；
16:1 switch：From 16 1:16 activated distributor receipt signals, export after combining.
6. a kind of shortwave switching matrix sharing system with wireless blind plugging function according to claim 5, its feature exists
In described 1:Be provided with 16 activated distributors input low-noise amplifier, 16:1 switch is fixed decay using PIN switch
Device, using difference cancellation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917686.5U CN205961111U (en) | 2016-08-23 | 2016-08-23 | Shortwave switching matrix sharing system with wireless blind function of inserting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917686.5U CN205961111U (en) | 2016-08-23 | 2016-08-23 | Shortwave switching matrix sharing system with wireless blind function of inserting |
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| CN205961111U true CN205961111U (en) | 2017-02-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100683A (en) * | 2016-08-23 | 2016-11-09 | 成都中亚通茂科技股份有限公司 | A kind of shortwave switching matrix sharing system using radio communication |
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2016
- 2016-08-23 CN CN201620917686.5U patent/CN205961111U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100683A (en) * | 2016-08-23 | 2016-11-09 | 成都中亚通茂科技股份有限公司 | A kind of shortwave switching matrix sharing system using radio communication |
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