CN206542444U - Radar data access device - Google Patents
Radar data access device Download PDFInfo
- Publication number
- CN206542444U CN206542444U CN201720328128.XU CN201720328128U CN206542444U CN 206542444 U CN206542444 U CN 206542444U CN 201720328128 U CN201720328128 U CN 201720328128U CN 206542444 U CN206542444 U CN 206542444U
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- Prior art keywords
- chip
- data
- network
- radar data
- access device
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Abstract
The utility model discloses a kind of radar data access device, it includes host computer, hub and at least one protocol converter；Wherein, the serial radar data of outside input is converted into the network data for being easy to transmit in a network by multiple protocol converters respectively, and by hub by network data transmission to host computer, therefore, the utility model can make host computer easily obtain radar data.
Description
Technical field
The utility model is related to air communications electronic technology field, and in particular to radar data access device.
Background technology
Air Traffic Control Automation System is the core system that Civil Aviation ATM Sector is implemented to command sky, by handling thunder
Data are monitored up to information etc., display and various flight collisions and the various abnormal announcements of airflight situation are provided for controller
It is alert.Radar data source is generally integrated in the radar station device interior positioned at eminence, to use the end-to-end transmission of serial protocol just
Must artificially it climb to eminence access, this mode is both without security or without reliability, and returning data transfer increases
Higher cost.
Be widely used in the today in civil aviaton field in optic communication, in order to improve hollow-pipe radar data transmission convenience, can
By property, optical fiber has all been laid on overwhelming majority airport at present.But the data of radar base station are generally serial protocol, it is impossible to directly in optical fiber
Middle transmission, will realize the access of hollow-pipe radar data, just must be by a data gathering equipment by the serial number of different agreement
Transmitted according to ether network packet is pooled into optical fiber.
Utility model content
The purpose of this utility model is：A kind of radar data access device is provided, current serial radar data is solved
The problem of transmission is inconvenient.
In order to realize above-mentioned utility model purpose, the utility model provides following technical scheme：
A kind of radar data access device, it includes host computer, hub and at least one protocol converter, and
And, the host computer and all protocol converters are both connected on the port of the hub, the protocol converter
The serial radar data for being received outside input is converted into network data, and the network data is output into the network collection
The port of line device, the host computer obtains the network data that each protocol converter is exported by the hub, and deposits
Store up the network data obtained；Wherein,
The protocol converter includes central processing unit, network card chip, PHY chip and exchange chip；Wherein, the center
Processor is parsed to the serial radar data of outside input and obtains data message, and by data bus transmission to described
Network card chip；The data message is packaged into network data and by institute by the network card chip according to the Ethernet protocol of setting
Network data transmission is stated to the PHY chip, the PHY chip is connected to described by connected Ethernet electrical interface
The port connection of hub.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, the central processing unit is connected by two I/O mouthfuls with the exchange chip, and one of I/O mouthfuls is used to hand over by described
The data flow path that chip configures the PHY chip is changed, another I/O mouthfuls is used to provide clock signal for the exchange chip.
According to a kind of specific embodiment, in radar data access device of the present utility model, the protocol conversion
Device also includes DB26 interfaces and differential conversion circuit, and the DB26 interfaces are by the serial Transmission System of Radar Data of outside input to described
Differential signal is converted into Transistor-Transistor Logic level signal by differential conversion circuit, the differential conversion circuit, and TTL signal is exported to institute
State central processing unit.
Further, the central processing unit has SPI interface and RS485 interfaces, and the DB26 interfaces include two SPI
Differential lines pair and a RS485 differential lines pair.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, an isolation circuit is set between the network card chip and the PHY chip, and the isolation circuit is made up of transformer；Institute
State exchange chip and be connected with optical module.
In order to realize above-mentioned utility model purpose, the utility model additionally provides following technical scheme：
A kind of radar data access device, it includes host computer and two protocol converters, wherein, the protocol converter
Including central processing unit, network card chip, PHY chip and exchange chip, and the PHY chip is connected with Ethernet electrical interface,
The integrated module of optical transceiver is connected with the exchange chip；Also, by described light transmit-receive integrated between two protocol converters
Module is connected, and the host computer is connected with the Ethernet electrical interface of one of protocol converter；
In the protocol converter not being connected with the host computer, serial radar number of the central processing unit to outside input
Data message is obtained according to being parsed, and the network card chip is given by data bus transmission；The network card chip is according to setting
Fixed Ethernet protocol, network data is packaged into and by the network data transmission to the PHY chip by the data message,
The network data is transmitted to the corresponding light transmit-receive integrated mould by the PHY chip by connected exchange chip
Block；
In the protocol converter being connected with the host computer, the integrated module of optical transceiver obtains the network data, and
The host computer is given by the network data transmission by the Ethernet electrical interface that is connected with the PHY chip, and is passed through
The network data that the host computer storage is obtained.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, the central processing unit is connected by two I/O mouthfuls with the exchange chip, and one of I/O mouthfuls is used to configure the friendship
Change the data flow path of chip and the data flow path of the PHY chip, another I/O mouthfuls are configured by the exchange chip
For providing clock signal for the exchange chip.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, the protocol converter also includes DB26 interfaces and differential conversion circuit, and the DB26 interfaces are by the serial thunder of outside input
The differential conversion circuit is transferred to up to data, differential signal is converted into Transistor-Transistor Logic level signal by the differential conversion circuit, and will
TTL signal is exported to the central processing unit.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, the central processing unit has SPI interface and RS485 interfaces, and the DB26 interfaces include two SPI differential lines pair and one
Individual RS485 differential lines pair.
According to a kind of specific embodiment, in the protocol converter of the utility model radar data access device
In, an isolation circuit is set between the network card chip and the PHY chip, and the isolation circuit is made up of transformer.
Compared with prior art, the beneficial effects of the utility model：
1st, in radar data access device of the present utility model, multiple protocol converters are respectively by the serial thunder of outside input
Up to data conversion into the network data for being easy to transmit in a network, and give upper by network data transmission by hub
Machine, therefore, the utility model can make host computer easily obtain radar data.
2nd, in radar data access device of the present utility model, a protocol converter is used for the serial thunder of outside input
Up to data conversion into the network data for being easy to transmit in a network, and network data transmission is given by another protocol converter
Host computer, therefore, the utility model can not only make host computer easily obtain radar data, due also between protocol converter
Connected by the integrated module of optical transceiver, use fiber optic communication, the transmission rate of radar data is higher.
Brief description of the drawings：
Fig. 1 is the structural representation of protocol converter of the present utility model；
Fig. 2 is a kind of radar data access device structural representation of the present utility model；
Fig. 3 is the structural representation of another radar data access device of the present utility model.
Embodiment
The utility model is described in further detail with reference to test example and embodiment.But should not be by this
The scope for being interpreted as the above-mentioned theme of the utility model is only limitted to following embodiment, all to be realized based on the utility model content
Technology belongs to scope of the present utility model.
The structural representation of protocol converter of the present utility model as shown in Figure 1；Wherein, agreement of the present utility model turns
Parallel operation is made up of core board and bottom plate, and central processing unit, network card chip, differential conversion circuit and DB26 are provided with core board and is connect
Mouthful.Two Ethernet electrical interfaces that PHY chip, exchange chip are provided with bottom plate and is connected with PHY chip, with exchange chip
Two optical modules of connection.
Specifically, the port that central processing unit receives serial radar data sets DB26 interfaces and differential conversion circuit.Its
In, DB26 interfaces are by the serial Transmission System of Radar Data of outside input to differential conversion circuit, and differential conversion circuit is by differential signal
Transistor-Transistor Logic level signal is converted into, and TTL signal is exported to central processing unit.When implementing, central processing unit has SPI interface
With RS485 interfaces, DB26 interfaces include two SPI differential lines pair and a RS485 differential lines pair.
Meanwhile, an isolation circuit is set between network card chip and PHY chip, and the isolation circuit is made up of transformer, used
Irreversible infringement is caused to protocol converter in preventing the mutation of radar end signal.
In the protocol converter of the present utility model for serial radar data, PHY chip is connected with Ethernet electricity and connect
Mouthful, while exchange chip is connected with optical module, the optical module has Ethernet optical interface, and possesses emission function, you can
From light emission module and the integrated module of optical transceiver.Network data is converted into optical signal by optical module by its emission function,
So as to the transmission in fiber optic cables.
Specifically, there is exchange chip the function of disability, i.e. central controller to control exchange chip by I/O port, make the friendship
Chip disability is changed, so as to directly export network data by the Ethernet electrical interface being connected with PHY chip.Meanwhile, specific real
Linear voltage stabilization chip is also set up during applying, on bottom plate, the linear voltage stabilization chip by external dc power input be converted into 3.3V,
The voltages such as 2.5V, 1.8V, 1.0V, for being powered for central processing unit, network card chip, PHY chip and exchange chip.
A kind of radar data access device structural representation of the present utility model as shown in Figure 2；Wherein, the utility model
Radar data access device include host computer, hub and N number of protocol converter.Also, host computer and N number of agreement
Converter is both connected on the port of hub.
Specifically, the serial radar data that each protocol converter is received outside input is converted into being easy in a network
The network data of transmission, and obtained network data is output to the port of the hub, and host computer then passes through network
Hub obtains the network data of each protocol converter output, while host computer stores the network data of its acquisition, so that
Host computer easily obtains radar data.
When each protocol converter works, the serial radar data of the external portion's input of its central processing unit is parsed and obtained
To data message, and by data/address bus by the data-message transmission to network card chip, network card chip according to setting Ethernet
Agreement, network data is packaged into and by the network data transmission to PHY chip by the data message, the PHY chip by with its
The Ethernet electrical interface of connection and be connected to hub port connection, so that the network data is output into the network collection
The port of line device.
Protocol converter in present embodiment, its central processing unit is connected by two I/O mouthfuls with exchange chip, wherein
One I/O mouthfuls are used for the data flow path by exchange chip configuration PHY chip, and another I/O mouthfuls is used to carry for exchange chip
For clock signal.
Another radar data access device structural representation of the present utility model as shown in Figure 3；Wherein, this practicality is new
Another radar data access device of type includes host computer and two protocol converters.Wherein, between two protocol converters
It is connected by the integrated module of optical transceiver, i.e., fiber optic communication, host computer and one of association is used between two protocol converters
The Ethernet electrical interface of view converter is connected.
Specifically, the protocol converter not being connected with the host computer is operationally, the external portion's input of its central processing unit
Serial radar data parsed and obtain data message, and give network interface card core by the data-message transmission by data/address bus
The data message is packaged into network data and by the network data transmission by piece, network card chip according to the Ethernet protocol of setting
To PHY chip, the network data is transmitted to the corresponding integrated module of optical transceiver by PHY chip by connected exchange chip.
Meanwhile, during the protocol converter work being connected with the host computer, its integrated module of optical transceiver is obtained by font end protocols converter
The network data of integrated module of optical transceiver transmission, the network data transmission that the integrated module of optical transceiver is obtained gives exchange core
Piece, the exchange chip and the Ethernet electrical interface by being connected with PHY chip, by the network data transmission to host computer, and by
The network data that host computer storage is obtained.
Therefore, the utility model can not only make host computer easily obtain radar data, due also to protocol converter it
Between connected by the integrated module of optical transceiver, use fiber optic communication, the transmission rate of radar data is higher.
Protocol converter in present embodiment, its central processing unit is connected by two I/O mouthfuls with exchange chip, wherein
The one I/O mouthfuls data flow paths for configuring exchange chip and the data flow path by exchange chip configuration PHY chip,
Another I/O mouthfuls is used to provide clock signal for exchange chip.
Claims (10)
1. a kind of radar data access device, it is characterised in that including host computer, hub and at least one protocol conversion
Device, also, the host computer and all protocol converters be both connected on the port of the hub, and the agreement turns
The serial radar data that parallel operation is received outside input is converted into network data, and the network data is output into the net
The port of network hub, the host computer obtains the network data that each protocol converter is exported by the hub,
And store the network data of acquisition；Wherein,
The protocol converter includes central processing unit, network card chip, PHY chip and exchange chip；Wherein, the center processing
Device is parsed to the serial radar data of outside input and obtains data message, and gives the network interface card by data bus transmission
Chip；The data message is packaged into network data and by the net by the network card chip according to the Ethernet protocol of setting
Network data are transferred to the PHY chip, and the PHY chip is connected to the network by connected Ethernet electrical interface
The port of hub.
2. radar data access device as claimed in claim 1, it is characterised in that in the protocol converter, the center
Processor is connected by two I/O mouthfuls with the exchange chip, and one of I/O mouthfuls is used to configure institute by the exchange chip
The data flow path of PHY chip is stated, another I/O mouthfuls is used to provide clock signal for the exchange chip.
3. radar data access device as claimed in claim 1, it is characterised in that the protocol converter also connects including DB26
The serial Transmission System of Radar Data of outside input is given the differential conversion circuit by mouth and differential conversion circuit, the DB26 interfaces,
Differential signal is converted into Transistor-Transistor Logic level signal by the differential conversion circuit, and TTL signal is exported to the central processing unit.
4. radar data access device as claimed in claim 3, it is characterised in that the central processing unit has SPI interface
With RS485 interfaces, the DB26 interfaces include two SPI differential lines pair and a RS485 differential lines pair.
5. the radar data access device as described in one of Claims 1 to 4, it is characterised in that the network card chip with it is described
One isolation circuit is set between PHY chip, and the isolation circuit is made up of transformer；The exchange chip is connected with optical mode
Block.
6. a kind of radar data access device, it is characterised in that including host computer and two protocol converters, wherein, the association
Discussing converter includes central processing unit, network card chip, PHY chip and exchange chip, and the PHY chip is connected with Ethernet
The integrated module of optical transceiver is connected with electrical interface, the exchange chip；Also, received between two protocol converters by the light
Hair integrated module is connected, and the host computer is connected with the Ethernet electrical interface of one of protocol converter；
In the protocol converter not being connected with the host computer, the central processing unit enters to the serial radar data of outside input
Row parses and obtains data message, and gives the network card chip by data bus transmission；The network card chip is according to setting
Ethernet protocol, network data is packaged into and by the network data transmission to the PHY chip by the data message, described
The network data is transmitted to the corresponding integrated module of optical transceiver by PHY chip by connected exchange chip；
In the protocol converter being connected with the host computer, the integrated module of optical transceiver obtains the network data, and passes through
The network data transmission is given the host computer by the Ethernet electrical interface being connected with the PHY chip, and by described
The network data that host computer storage is obtained.
7. radar data access device as claimed in claim 6, it is characterised in that in the protocol converter, the center
Processor is connected by two I/O mouthfuls with the exchange chip, the one of I/O mouthfuls data for configuring the exchange chip
Circulation road and the data flow path that the PHY chip is configured by the exchange chip, another I/O mouthfuls is used to hand over to be described
Change chip and clock signal is provided.
8. radar data access device as claimed in claim 6, it is characterised in that the protocol converter also connects including DB26
The serial Transmission System of Radar Data of outside input is given the differential conversion circuit by mouth and differential conversion circuit, the DB26 interfaces,
Differential signal is converted into Transistor-Transistor Logic level signal by the differential conversion circuit, and TTL signal is exported to the central processing unit.
9. radar data access device as claimed in claim 8, it is characterised in that the central processing unit has SPI interface
With RS485 interfaces, the DB26 interfaces include two SPI differential lines pair and a RS485 differential lines pair.
10. the radar data access device as described in one of claim 6~9, it is characterised in that the network card chip with it is described
One isolation circuit is set between PHY chip, and the isolation circuit is made up of transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328128.XU CN206542444U (en) | 2017-03-30 | 2017-03-30 | Radar data access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328128.XU CN206542444U (en) | 2017-03-30 | 2017-03-30 | Radar data access device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206542444U true CN206542444U (en) | 2017-10-03 |
Family
ID=59943337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720328128.XU Expired - Fee Related CN206542444U (en) | 2017-03-30 | 2017-03-30 | Radar data access device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206542444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080794A (en) * | 2019-07-18 | 2022-02-22 | 马自达汽车株式会社 | Vehicle-mounted network system |
-
2017
- 2017-03-30 CN CN201720328128.XU patent/CN206542444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114080794A (en) * | 2019-07-18 | 2022-02-22 | 马自达汽车株式会社 | Vehicle-mounted network system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171003 Termination date: 20180330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |