CN102710557A - Gateway of internet of things - Google Patents
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- CN102710557A CN102710557A CN2012101409789A CN201210140978A CN102710557A CN 102710557 A CN102710557 A CN 102710557A CN 2012101409789 A CN2012101409789 A CN 2012101409789A CN 201210140978 A CN201210140978 A CN 201210140978A CN 102710557 A CN102710557 A CN 102710557A
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Abstract
The invention discloses a gateway of internet of things. The gateway comprises a minimum system unit and a data transmission unit. The minimum system unit is connected with the data transmission unit. The minimum system unit is used for controlling applications to process data transmitted by a data receiving unit through an embedded open operation system and transmitting data processing results to the data transmission unit. The data transmission unit is connected with the minimum system unit. The data transmission unit is used for transmitting the data processing results to a management platform of the internet of things. By embedding the open operation system into the minimum system unit, direct operation of various applications developed based on the operation system on the gateway is achieved, differentiation of the gateway is turned into differentiation of the applications, and development time and cost of the gateway of the internet of things is lowered.
Description
Technical field
The present invention relates to the Internet of Things application technology, relate in particular to a kind of things-internet gateway.
Background technology
Internet of Things is based on that internet development gets up; Be the extension and the expansion of the Internet; Specifically be meant through information sensing equipment such as radio frequency identification, infrared inductor, laser scanners; By the agreement of arranging, realize that any time, any place, any object carry out information exchange and communicate by letter, to realize a kind of network of intelligent identification, location, tracking, monitoring and management.Internet of Things by universally recognized definition is: it is a huge social information system that is made up of jointly sensing layer, network layer, application layer.Sensing layer is responsible for the perception acquisition of information, and network layer is responsible for message transmission is arrived application layer, and application layer realizes the perception between thing and thing, people and the thing through perception and signal transmitted are handled.
In the whole architectural framework of Internet of Things, no matter be sensing layer, network layer or application layer have all developed for many years, and technology is comparative maturity all.But want sensing layer, network layer and application layer are integrated network of formation; A things-internet gateway must be set between sensing layer and network layer carry out the transmission of data; It connects complicated sensing layer network, the upwards network layer of complex connection downwards.Present things-internet gateway has solved the problem of sensing layer data acquisition basically, has realized packing and transmitting to the data acquisition of heterogeneous network and to the data of gathering.And; According to the industry needs, through in things-internet gateway, implanting corresponding data computation model the data that sensing layer imports into are carried out preliminary treatment, data processed result is transferred to server; Reduce the transmission capacity of data, when reducing network layer transmission data to the harsh requirement of bandwidth.For example, the things-internet gateway for traffic is taken pictures and discerned carries out data identification if be directly delivered to server after it takes the photo of vehicles peccancy, when transmitting photo, just needs bigger bandwidth so; Yet, take pictures in the things-internet gateway of identification if be implanted to traffic to the image recognition model, so only need the result that will discern just can pass to server through less bandwidth.
Because the required things-internet gateway of different industries varies, so just need customize out various gateways through the corresponding data computation model of implantation in gateway, still, this method not only expend time in length and development cost height.
Summary of the invention
To above-mentioned technical problem; The object of the present invention is to provide a kind of things-internet gateway; It implants open operating system in gateway; Through in this gateway, embedding the things-internet gateway that various application programs just can obtain to have various functions, reduced the time and the cost of things-internet gateway exploitation.
For achieving the above object, the present invention realizes through following technical scheme:
A kind of things-internet gateway comprises: Data Receiving unit, minimum system unit and data transmission unit;
Said Data Receiving unit is used to receive the data that information sensing equipment is gathered;
Said minimum system unit is connected with the Data Receiving unit, is used for the data imported into through the open operating system controlling application program deal with data receiving element that embeds, and imports data processed result into data transmission unit;
Said data transmission unit is connected with the minimum system unit, is used for sending to the Internet of Things management platform with importing said data processed result into.
Special, said open operating system is selected Android operating system or Windows CE operating system for use.
Special, said Data Receiving unit comprises:
The wireless data receiving element is used for receiving the data that information sensing equipment is gathered through wireless communication module, and wherein, said wireless communication module comprises: Wi-Fi module, Zigbee module and bluetooth module;
The cable data receiving element is used for through data wire link information sensing equipment, receives the data that information sensing equipment is gathered.
Special, the defeated leaflet unit of said data comprises:
The wide area network transmission unit, the data processed result that is used for minimum system is imported into sends to the Internet of Things management platform through wide area network;
The Ethernet transmission unit be used for the network interface card interface through ethernet controller chip expansion minimum system unit, and the data processed result of minimum system being imported into through said network interface card interface sends to the Internet of Things management platform.
Special, said things-internet gateway also comprises:
LED lamp control unit is connected with the minimum system unit, is used for the control signal according to the output of minimum system unit, regulates the bright dark degree of LED lamp, and wherein, said LED lamp is used to indicate power supply signal and various communication signal.
Special, said things-internet gateway also comprises:
The display driver unit; Be connected with the minimum system unit; LCD (LCD) controller that is used to utilize the minimum system unit to carry produces the sequential logic that meets Video Graphics Array (VGA) display requirement; Through the LCD data wire digital RGB (RGB) signal is passed to the video analog-digital chip on the other hand; Produce the simulation chrominance signal that the VGA demonstration needs, finally, drive the VGA display screen and show the things-internet gateway operation information through the sequential of TFT LCD (TFT-LCD) scanning demonstration and the coupling of VGA scanning display timing generator.
Special, said things-internet gateway also comprises:
The serial communication unit is connected with the minimum system unit, is used for accomplishing through this DB-9 connector the exchanges data of minimum system unit and external equipment.
Special, said minimum system unit is the ARM minimum system.
The present invention embeds in the minimum system unit has open operating system; Like Android operating system or Windows CE operating system; Thereby the various application programs of deal with data can directly be moved at gateway; So, only need to be implanted to the things-internet gateway that just can obtain specific function in the gateway of the present invention based on the application program that this operating system is developed, reduced the time and the cost of things-internet gateway exploitation.
Description of drawings
The structured flowchart of the things-internet gateway that Fig. 1 provides for the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is described further below in conjunction with accompanying drawing and embodiment.
Please with reference to shown in Figure 1, the structured flowchart of the things-internet gateway that Fig. 1 provides for the embodiment of the invention.
Things-internet gateway comprises in the present embodiment: Data Receiving unit 101, minimum system unit 102, data transmission unit 103, LED (light-emitting diode) lamp control unit 104, display driver unit 105 and serial communication unit 106.Said Data Receiving unit 101 comprises wireless data receiving element 1011 and cable data receiving element 1012.Said data transmission unit 103 comprises wide area network transmission unit 1031 and Ethernet transmission unit 1032.
Said Data Receiving unit 101 is used to receive the data that information sensing equipment is gathered.
At the sensing layer of Internet of Things, the kind of information sensing equipment has a variety of, and the wired sensor of existing support standard universal serial bus (USB) interface has the wireless senser of mechanicss of communication such as supporting Wi-Fi, Zigbee and bluetooth again.Wherein, Wi-Fi is commonly called as WiMAX, be a kind of can be with terminals such as PC, handheld devices with the interconnected technology of wireless mode.Zigbee is based on a kind of short distance of a low-power consumption territory fidonetFido of IEEE 802.15.4 standard, the wireless communication technology of low-power consumption.IEEE 802.15.4 has described the physical layer and the media access control protocol of low rate wireless personal local area network.Bluetooth is a kind of radiotechnics of support equipment short haul connection, and it adopts distributed network structure and fast frequency hopping and short packet technology, supports point-to-point and some communication to multiple spot.
Said wireless data receiving element 1011 is used for receiving the data that wireless senser is gathered through wireless communication module, and wherein, said wireless communication module comprises: Wi-Fi module, Zigbee module and bluetooth module.
Wireless senser imports the data wireless of gathering into through himself Wi-Fi module, Zigbee module or bluetooth module the wireless communication module of wireless data receiving element 1011; Wireless communication module is connected with the USB interface of minimum system unit 102 through data wire, imports the data that receive into minimum system unit 102.
Said cable data receiving element 1012 is used for being connected with line sensor through data wire, receives the data that wired sensor is gathered.
The USB interface of wired sensor is connected through data wire with the USB interface of minimum system unit 102, and this sensor acquisition is directly imported data into minimum system unit 102 through data wire after data.
Said minimum system unit 102 is connected with Data Receiving unit 101, is used for the data imported into through the open operating system controlling application program deal with data receiving element 101 that embeds, and imports data processed result into data transmission unit 103.
Open operating system both can be selected Android operating system for use, also can select Windows CE operating system for use.Android operating system be a kind of with Linux be the basis open source code operating system; WindowsCE operating system is the basis of embedded, the mobile computing platform of Microsoft exploitation; It is an opening, upgradeable 32 embedded OSs, is based on the electronic equipment operating system of palmtop computer class.
Select the operating system of Android operating system in the present embodiment for use as things-internet gateway of the present invention.Minimum system unit 102 is the ARM minimum system, comprising: ARM microprocessor, flash memory, random asccess memory, power management module, reseting module, clock module and debugging module.Wherein, flash memory is selected Nand-flash for use, and random asccess memory is selected synchronous DRAM (SDRAM) for use, and debugging module is JTAG (Joint Test Action Group, a joint test behavior tissue) debugging module.Wherein, said Nand-flash is a kind of of flash memory, and it is inner to adopt non-linear macrocell pattern, for the realization of solid-state large-capacity internal memory provides cheap effective solution.
Said Nand-flash is used to store the data and the various application data of Android operating system.Said synchronous DRAM is used to provide Android operating system and the required spatial cache of various application program operation.Said JTAG debugging module is used for Android operating system and various application program are downloaded and debugged, and Debugging message is sent to the terminal demonstration through the UART module, and wherein, UART is universal asynchronous reception/dispensing device.Said ARM microprocessor is used to move Android operating system, and dispatches corresponding application the data that data receiving element 101 imports into are handled, and imports data processed result into data transmission unit 103.Said power management module is used to manage supply power voltage, and stable operating voltage is provided for the ARM minimum system.Said reseting module is used to realize resetting of ARM minimum system.Said clock module is used to provide the normal operation of ARM minimum system required clock frequency.
Said data transmission unit 103 is connected with the ARM minimum system, is used for the data processed result of importing into is sent to the Internet of Things management platform.
Wherein, said wide area network transmission unit 1031, the data processed result that is used for the ARM microprocessor is imported into sends to the Internet of Things management platform through wide area network.
After wide area network transmission unit 1031 is converted into MINI PCI-E interface with the USB interface of ARM microprocessor,, and then realize the data passes between ARM microprocessor and the Internet of Things management platform through this MINI PCI-E interface attachment network management platform.Said MINI PCI-E is based on the interface of PCI-E bus; A kind of standard of releasing in 1991 by Intel company that is used to define local bus of PCI (Peripheral Component Interconnect); PCI-E is PCI Express, and it is the EBI of a new generation.
Said Ethernet transmission unit 1032 be used for the network interface card interface through ethernet controller chip expansion ARM microprocessor, and the data processed result of the ARM microprocessor being imported into through this network interface card interface sends to the Internet of Things management platform.
The kind of ethernet controller chip is a lot; The network interface card interface that 10Mbits/s is arranged; The adaptive network interface card interface of 10/100Mbits/s is also arranged, even also have the PCI-Express interface, wherein; The network interface card Application of Interface of 10/100Mbits/s is the most extensive, so the big more options 10/100Mbits/s network interface card of ARM micro-control processor interface.In the ethernet controller chip of 10/100Mbit/s, model is that the ethernet controller chip of DM9000A is more representational a.DM9000A has 48 pins, and the pin that is connected with the ARM micro-control processor has: IOR# (processor read command), IOW# (processor write order), CS# (sheet choosing), CMD (order kind), INT (interrupt requests), SD [0:15] (data/address bus) and PWRST# (power supply replacement).
Said LED lamp control unit 104 is used for the driving command that general I/O (G PIO) interface according to the ARM microprocessor is exported, the bright dark degree of control LED lamp.These LED lamps are used to indicate power supply signal and related communication number, comprise power lamp, ethernet communication signal lamp, wireless sensor interface communication signal lamp, network data transmission signal lamp etc.
Said display driver unit 105; LCD (LCD) controller that is used to utilize the ARM microprocessor to carry produces the sequential logic that meets VGA (Video Graphics Array) display requirement; Digital rgb (RGB) signal is passed to video digital-to-analogue conversion (D/A) chip ADV7120 through the LCD data wire on the other hand with octuple passage; Produce the simulation chrominance signal that the VGA demonstration needs; Final through the sequential of TFT-LCD (TFT LCD) scanning demonstration and the coupling of VGA scanning display timing generator, drive the VGA display screen and show the various operation informations of things-internet gateway.
Said serial communication unit 106; Be used for RS-232 interface, RXD (Receive Data with the ARM microprocessor; The reception data) pin, TXD (Transmit Data; Sending data) pin and GND (wire pin) be connected to the relevant position of DB-9 connector, accomplishes the exchanges data with external equipment such as terminal, printer, logic analyzer etc. through this DB-9 connector.Wherein, D type data interface connector is the interface standard that is used to connect electronic equipment.Because of shape is similar to English alphabet D, so the D type interface of gaining the name.Be subdivided into A type (15 pin) according to interface quantity, Type B (25 pin), C type (37 pin), D type (50 pin), E type (9 pin).Therefore common serial ports of computers is the DE9 needle connector, is called for short the DB-9 connector.
In addition, from the ARM minimum system, also lead to keyboard interface, mouse interface and COBBAIF, conveniently gateway is configured.
Technical scheme of the present invention has realized the direct operation of various application programs on things-internet gateway based on this operating system exploitation through in minimum system unit 102, embedding open operating system, thereby obtains the required gateway of every profession and trade.The present invention is converted into the exploitation of industrial application software with the demand of the customization gateway of industry, and the difference of gateway is converted into the differentiation of application program, has reduced the development time and the cost of things-internet gateway.
Above-mentioned preferred embodiment of the present invention and the institute's application technology principle of being merely, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed in protection scope of the present invention.
Claims (8)
1. a things-internet gateway is characterized in that, comprising: Data Receiving unit, minimum system unit and data transmission unit;
Said Data Receiving unit is used to receive the data that information sensing equipment is gathered;
Said minimum system unit is connected with the Data Receiving unit, is used for the data imported into through the open operating system controlling application program deal with data receiving element that embeds, and imports data processed result into data transmission unit;
Said data transmission unit is connected with the minimum system unit, is used for sending to the Internet of Things management platform with importing said data processed result into.
2. things-internet gateway according to claim 1 is characterized in that, said open operating system is selected Android operating system or Windows CE operating system for use.
3. things-internet gateway according to claim 2 is characterized in that, said Data Receiving unit comprises:
The wireless data receiving element is used for receiving the data that information sensing equipment is gathered through wireless communication module, and wherein, said wireless communication module comprises: Wi-Fi module, Zigbee module and bluetooth module;
The cable data receiving element is used for through data wire link information sensing equipment, receives the data that information sensing equipment is gathered.
4. according to claim 2 or 3 described things-internet gateways, it is characterized in that the defeated leaflet unit of said data comprises:
The wide area network transmission unit, the data processed result that is used for minimum system is imported into sends to the Internet of Things management platform through wide area network;
The Ethernet transmission unit be used for the network interface card interface through ethernet controller chip expansion minimum system unit, and the data processed result of minimum system being imported into through said network interface card interface sends to the Internet of Things management platform.
5. things-internet gateway according to claim 4 is characterized in that, also comprises:
LED lamp control unit is connected with the minimum system unit, is used for the control signal according to the output of minimum system unit, regulates the bright dark degree of LED lamp, and wherein, said LED lamp is used to indicate power supply signal and various communication signal.
6. things-internet gateway according to claim 5 is characterized in that, also comprises:
The display driver unit; Be connected with the minimum system unit; LCD (LCD) controller that is used to utilize the minimum system unit to carry produces the sequential logic that meets Video Graphics Array (VGA) display requirement; Through the LCD data wire digital RGB (RGB) signal is passed to the video analog-digital chip on the other hand; Produce the simulation chrominance signal that the VGA demonstration needs, finally, drive the VGA display screen and show the things-internet gateway operation information through the sequential of TFT LCD (TFT-LCD) scanning demonstration and the coupling of VGA scanning display timing generator.
7. according to claim 5 or 6 described things-internet gateways, it is characterized in that, also comprise:
The serial communication unit is connected with the minimum system unit, is used for accomplishing through this DB-9 connector the exchanges data of minimum system unit and external equipment.
8. things-internet gateway according to claim 7 is characterized in that, said minimum system unit is the ARM minimum system.
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| CN2012101409789A CN102710557A (en) | 2012-05-07 | 2012-05-07 | Gateway of internet of things |
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Application publication date: 20121003 |