CN2927210Y - Wireless multi-channel environmental-parameter real-time monitor by embedded system - Google Patents
Wireless multi-channel environmental-parameter real-time monitor by embedded system Download PDFInfo
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- CN2927210Y CN2927210Y CN 200620026526 CN200620026526U CN2927210Y CN 2927210 Y CN2927210 Y CN 2927210Y CN 200620026526 CN200620026526 CN 200620026526 CN 200620026526 U CN200620026526 U CN 200620026526U CN 2927210 Y CN2927210 Y CN 2927210Y
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Abstract
The utility model discloses a real-time monitor with an embedded system for wireless multi-channel environment parameters, which provides a monitor which can complete a data-acquisition of a plurality of different parameters and a real-time monitoring. The utility model comprises a plurality of sensors and an embedded controller; each of the sensor is orderly connected to an A/D converter and an encoder which is connected with the embedded controller and the embedded controller is connected with the corresponding A/D converter; or each of the encoder is connected with the embedded system by a wireless communication device; the embedded controller is separately connected with a printer interface, an Ethernet interface, an external data memory, an external program memory and a control and a display module; the embedded controller is connected with a USB controller by a serial interface, the USB controller is separately connected with the program memory, the data memory and a USB interface. The utility model has the advantages of real-time monitoring of the environmental parameters, high measurement accuracy, wireless or cable communication methods, convenience and the flexibility.
Description
Technical field
The utility model relates to the environmental parameter supervising device, in particular, relates to the real-time measurement and control instrument of a kind of environmental parameter that adopts embedded control system to realize multichannel data acquisition and control.
Background technology
Along with the continuous development of science and technology and improving constantly of living standard, people more and more pay attention to environment requirement, especially in some special field, the industry of environmental parameter being had relatively high expectations such as electronics process industry, bioengineering, medicine manufacturing, chemical engineering and machinery manufacturing industry etc., how environmental parameter is monitored in real time and controlled, become severe day by day problem and task.
In the existing environmental parameter TT﹠C system, generally by the Single-chip Controlling data acquisition, limited by addressing space, operating rate, the storage data amount is general maximum to be no more than one, 20,000.Be difficult to support LCD, the Ethernet interface (10M bandwidth) of high-end peripheral hardware expansion as the high display resolution of large-size screen monitors and be difficult to support the comparatively data processing operation of complexity.This certainly will limit the development of high-end TT﹠C system.And each module of use Single-chip Controlling, it can only be the single-threaded mode of operation of single task, system's multitask simultaneously work like this, when an external interrupt, single-chip microcomputer will interrupt original task operating, then carry out the external interrupt request, and can cause the inefficiency of system, can not realize real-time control.And existing measurement and control instrument, handle accordingly because the data in real time ground of gathering can not be transferred to main frame, even employing RS232 interface, its flank speed also can only reach tens Kbps at most, and communication distance has only tens meters.Idol has the survey recording apparatus of rarely seen employing USB interface also to adopt the comparatively simple USB device mode of technology mostly, is not the real-time TT﹠C system on the complete meaning, and this also is the maximum weak point of existing measurement and control instrument.
The utility model content
The utility model is in order to overcome weak point of the prior art, a kind of data acquisition that can finish various different parameters simultaneously to be provided, observing and controlling in real time, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of convenient, flexible employing embedded system.
The utility model is achieved through the following technical solutions:
A kind of real-time measurement and control instrument of wireless hyperchannel environmental parameter that adopts embedded system, it is characterized in that, comprise a plurality of sensors and embedded controller, each sensor is connected with A/D converter, scrambler successively, scrambler is connected with described embedded controller, and the A/D converter that described embedded controller is corresponding with this scrambler connects simultaneously; Perhaps scrambler is connected with embedded controller by wireless communication apparatus; Described embedded controller is connected with display module with printer interface, Ethernet interface, external data memory, external program memory, control respectively; Described embedded controller is connected with the USB controller by serial line interface, and described USB controller is connected with program storage, data-carrier store, USB interface respectively.
Described control and display module are made up of keyboard and display part, and described display part is LCD interface and the LCD display that connects successively, and described keyboard is connected with embedded controller respectively with the LCD interface.
Described control is made up of the LCD interface, touch-screen and the touch screen controller that are connected successively with display module, and described LCD interface is connected with embedded controller respectively with touch screen controller.
Described embedded controller is connected with the output control interface.
Described wireless communication apparatus is made up of the wireless launcher and the receiving unit that are connected with scrambler separately, and described receiving unit is connected by the wireless receiver that connects successively, A/D converter, demoder, and described demoder is connected with embedded controller.
LCD interface, Ethernet interface and embedded controller are integrated in one.
The utlity model has following technique effect:
1. measurement and control instrument of the present utility model has the acquisition channel of multichannel, and various parameter can be finished the collection of data simultaneously, and this multichannel acquisition module can satisfy at present and quite grow in the future the demand of various users in some time fully.
2. measurement and control instrument of the present utility model is except there being the USB interface data storage, and adopt Ethernet interface the data in real time of gathering be transferred to main frame, help real-time monitoring to environmental parameter.
3. measurement and control instrument of the present utility model adopts embedded controller, control the work of each module with Embedded operating system, the work of multitask simultaneously, a plurality of threads can be under the maintenance and management of operating system, carry out according to set agreement is ruly, and non-interference has been utilized hardware resource greatly, has improved utilization factor.And, observing and controlling in real time, the precision of measurement data is higher.
4. measurement and control instrument of the present utility model can both can adopt wireless communication mode according to ambient conditions, also can adopt wire communication mode, and was convenient, flexible.
5. measurement and control instrument of the present utility model can use touch-screen, has greatly improved user-machine interface, has enriched user's visual experience, and it is convenient and directly perceived that the user is used.
Description of drawings
Fig. 1 adopts the real-time measurement and control instrument internal circuit diagram of wireless hyperchannel environmental parameter of embedded system for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
Fig. 1 comprises a plurality of sensors and embedded controller for the real-time measurement and control instrument internal circuit diagram of wireless hyperchannel environmental parameter of the utility model employing embedded system, and wherein the quantity of sensor is determined according to user's needs.Type of sensor can be temperature sensor, humidity sensor, pressure transducer, CO
2Sensor, contain polytype such as S quantity sensor, the environmental parameter of observing and controlling is determined as required.Each sensor is connected with A/D converter, scrambler successively, and the communication between each scrambler and the embedded controller can adopt wired form also can adopt wireless.When the situation of the surrounding environment of certain sensor is suitable when connecting with line, can directly this scrambler be connected with embedded controller, and the A/D converter that embedded controller is corresponding with this scrambler connection.When the situation of certain sensor surrounding environment is not suitable for connecting with line, this scrambler can be connected with embedded controller by wireless communication apparatus.Wireless communication apparatus is made up of the wireless launcher and the receiving unit that are connected with scrambler separately in the present embodiment, and described receiving unit is connected by the wireless receiver that connects successively, A/D converter, demoder, and demoder is connected with embedded controller.When a sensor need adopt wireless communication mode, this scrambler is connected with wireless launcher, when a plurality of sensors adopt wireless communication mode, the scrambler separately of a plurality of sensor correspondences is connected with wireless launcher separately, carries out communication between a plurality of wireless launchers and a wireless receiver.
Described embedded controller is connected with display module with printer interface, Ethernet interface, external data memory, external program memory, control respectively, and printer interface is connected with printer, so that the record Monitoring Data.Ethernet interface is used for embedded controller by carrying out communication between Ethernet and PC or the server, the transmission data.External data memory is used to store outside data, external program memory storage measurement and control program.Input is used to import various control commands and display result with display module.
Described embedded controller also is connected with the USB controller by serial line interface, the USB controller is connected with program storage, data-carrier store, USB interface respectively, the running programs such as read-write of storage control USB in the program storage, the data that data-carrier store storage USB need read and write.
Control can be made up of keyboard and display part commonly used with display module.The display part is LCD interface and the LCD display that connects successively, and keyboard is connected with embedded controller respectively with the LCD interface.
Control is adopted with display module and will be imported the touch-screen that is integrated in one with Presentation Function when product needed satisfies high-end user, comprise the LCD interface, touch-screen and the touch screen controller that connect successively, the LCD interface is connected with embedded controller respectively with touch screen controller.
In order to realize control function, embedded controller is connected with the output control interface, the various devices that control is outside, and such as air-conditioning etc., when temperature is high, the reduction temperature.The output control interface can adopt general I/O interface.
The USB controller adopts single chip computer AT 89C55 in the present embodiment.Touch screen controller adopts ADS7846.
The scrambler that the A/D converter of the simulated data of each sensor by separately carries out delivering to separately after the AD conversion is encoded, directly deliver to embedded controller behind the coding under wired mode, embedded controller is connected with separately A/D converter, is used to change sampling rate.Deliver to wireless launcher separately under the wireless mode, launch by wireless mode, wireless receiver gets off the simulating signal demodulation, through AD conversion and decoding, frame data according to set agreement, is obtained the data of each sensor, delivers to embedded controller.
Embedded controller is finished sensor control, the demonstration of Chinese and English menu, touch screen operation, parallel multithreading tasks such as graphic presentation, real-time curve demonstration, Fahrenheit/data-switching Celsius and Ethernet passback data.In order to improve reliability, can adopt integrated level than higher chip, for example embedded controller can adopt the ARM chip S3C4510B that LCD interface, Ethernet interface and embedded controller are integrated in one.This chip is supported multiple embedded OS.The embedded ethernet controller of S3C4510B can provide the Ethernet of 10M/100Mbps to insert under the half-or full-duplex pattern.Under semiduplex mode, controller is supported the CSMA/CD agreement, supports IEEE802.3MAC key-course agreement under full-duplex mode.
When there is the people outside by touch-screen, will produce low level at PENIRQ, give external interrupt of embedded controller S3C4510B, embedded controller S3C4510B configuration touch screen controller ADS7846, allow him scan the coordinate of touch, ADS7846 scanning X earlier scans Y again, and BUSY cancellation then is transferred to embedded controller S3C4510B to the coordinate data that obtains.Embedded controller is done mutually deserved processing according to the coordinate that obtains, and then the needs picture displayed is shown by liquid crystal display.Although relate to a kind of real-time measurement and control instrument of wireless hyperchannel environmental parameter of embedded system that adopts and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from spirit and scope of the present utility model, all variations and modification are all within scope of the present utility model.
Claims (6)
1, a kind of real-time measurement and control instrument of wireless hyperchannel environmental parameter that adopts embedded system, it is characterized in that, comprise a plurality of sensors and embedded controller, each sensor is connected with A/D converter, scrambler successively, scrambler is connected with described embedded controller, and the A/D converter that described embedded controller is corresponding with this scrambler connects simultaneously; Perhaps each scrambler is connected with embedded controller by wireless communication apparatus; Described embedded controller is connected with display module with printer interface, Ethernet interface, external data memory, external program memory, control respectively; Described embedded controller is connected with the USB controller by serial line interface, and described USB controller is connected with program storage, data-carrier store, USB interface respectively.
2, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of employing embedded system according to claim 1, it is characterized in that, described control and display module are made up of keyboard and display part, described display part is LCD interface and the LCD display that connects successively, and described keyboard is connected with embedded controller respectively with the LCD interface.
3, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of employing embedded system according to claim 1, it is characterized in that, described control is made up of the LCD interface, touch-screen and the touch screen controller that are connected successively with display module, and described LCD interface is connected with embedded controller respectively with touch screen controller.
4, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of employing embedded system according to claim 1 is characterized in that, described embedded controller is connected with the output control interface.
5, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of employing embedded system according to claim 1, it is characterized in that, described wireless communication apparatus is made up of the wireless launcher and the receiving unit that are connected with scrambler separately, described receiving unit is connected by the wireless receiver that connects successively, A/D converter, demoder, and described demoder is connected with embedded controller.
6, the real-time measurement and control instrument of wireless hyperchannel environmental parameter of employing embedded system according to claim 1 is characterized in that LCD interface, Ethernet interface and embedded controller are integrated in one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620026526 CN2927210Y (en) | 2006-06-27 | 2006-06-27 | Wireless multi-channel environmental-parameter real-time monitor by embedded system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200620026526 CN2927210Y (en) | 2006-06-27 | 2006-06-27 | Wireless multi-channel environmental-parameter real-time monitor by embedded system |
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| CN2927210Y true CN2927210Y (en) | 2007-07-25 |
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| CN 200620026526 Expired - Fee Related CN2927210Y (en) | 2006-06-27 | 2006-06-27 | Wireless multi-channel environmental-parameter real-time monitor by embedded system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652422A (en) * | 2017-03-17 | 2017-05-10 | 马鞍山鑫霖电子科技有限公司 | Wireless data collecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652422A (en) * | 2017-03-17 | 2017-05-10 | 马鞍山鑫霖电子科技有限公司 | Wireless data collecting device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 |