CN1599278A - Method for continuous relay signal transmission using blue tooth - Google Patents
Method for continuous relay signal transmission using blue tooth Download PDFInfo
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- CN1599278A CN1599278A CN03134034.2A CN03134034A CN1599278A CN 1599278 A CN1599278 A CN 1599278A CN 03134034 A CN03134034 A CN 03134034A CN 1599278 A CN1599278 A CN 1599278A
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Abstract
The invention relates to a method of using the blue tooth to transform the continuous relay signals and belongs to the field of the remote message communication technology. In the effective transmission distance of the blue tooth, we set adjacent blue tooth, which is in linear continuous arrange. The blue tooth work software platform is overlapped with the signal transmitting program and the signals are transformed between the blue teeth in the form of relay. The computer processes, controls and displays the signals. The signals output by the computer are transformed to corresponding blue tooth through the terminal blue tooth and blue tooth transforming of the linear continuous arrange. The carry-in terminal of the blue tooth connects with the signal interface and the engaged signal detect and signal treating circuit. The method of the linear arranges is the nodes arrange of the chain and can have the cross connection nodes. It can realize the long distance transmission of the data without the special cables, special telecommunication carriers or special optical fiber cables. The invention can be applied to the field of the detection and control of the foglight on the freeways and others.
Description
Technical field
The present invention relates to a kind of method of utilizing bluetooth endless relay transmission signals, belong to the telematique technical field.
Background technology
Bluetooth technology just advances with the swift and violent impetus in recent years, but owing to be subjected to the restriction (communication distance of bluetooth is generally 10-100 rice) of the communication distance of bluetooth wireless devices, Bluetooth technology is mainly used in the short-range communication transmission at present.And need the field of long-distance transmissions detection signal and control signal at some, as peripheral crime prevention system of detection control, long-distance meter-reading system, enterprise and the sub-district of highway fog lamp etc., adopt private cable mostly, private radio communication carrier, special optical cable, the needs that above-mentioned Long-distance Control mode has lay special-purpose communication network, the interface that the needs that have are connected with other networks, hardware costs is higher, and realization function singleness, expanding ability is poor, breaks down to repair difficulty, needs lot of manpower and material resources to safeguard.
Summary of the invention
Given this, the object of the present invention is to provide the new application of a kind of Bluetooth technology, without private cable, private radio communication carrier, special optical cable can be realized the method for data remote.
The object of the present invention is achieved like this: a kind of method of utilizing bluetooth endless relay transmission signals, adjacent bluetooth is set in the bluetooth effective propagation path, it is characterized in that: be line between bluetooth and arrange continuously, bluetooth working software platform is superimposed with the signal transmission procedure, signal is transmitted in endless relay between the bluetooth, by computer the signal of endless relay transmission is handled, is controlled and shows; The signal that computer sends is transferred to corresponding bluetooth by terminal Bluetooth and the continuously arranged bluetooth relay of line, and the input of bluetooth is connected with signaling interface and connects input, signal processing circuit; The mode that line is arranged is the arrangement of the node of chain, and cross connection node can be arranged.
The present invention utilizes the method for bluetooth relay transmission signals, can be applied in the effective transmission range of bluetooth in the regular continuously arranged detection and controlled target, to realize remote monitor, as the detection and the control of highway fog lamp, lead-in-light system, fields such as sub-district safety and protection system.
The invention has the advantages that:
1, device hardware is simple in structure.Because therefore at present existing monolithic Bluetooth chip is integrated wireless receiving and dispatching, central processing unit, USB mouth and other multiple interfaces are that the hardware circuit of carrier platform is simple with the Bluetooth technology;
2, enforcement is cheap.With regard to the price of present Bluetooth chip, about 100 yuan of RMB, make great efforts to reduce production costs in each production commercial city, and this will help the extensive popularization of blue-tooth technology, system cost is lower than traditional transfer of data medium, and this will remove the obstacles for the large-scale promotion application of Bluetooth technology.System integration cost is very low, and after system builds up, its safeguard and carrying cost very low.
3, transmission range is fit to.Its power output of the wireless transceiver of bluetooth equipment minimum is 10 milliwatts, sends and the scope of accepting is 10m.By adjusting the power output of wireless receiving and dispatching, can change the distance that sends with acceptance, but having defined the peak power output of wireless transceiver, Bluetooth specification is no more than 100 milliwatts, the transmission of corresponding maximum and receiving range are in 100m.Detect in the application of the present invention between the controlled target apart from all within bluetooth communications range.
4, global communications band, the versatility of sharing is good.Frequency range (2.4GHz) and frequency hopping that Bluetooth technology adopts the whole world to share; its strong interference immunity, institute's emitted power is the mW level, belongs to micropower and is unlikely to other system is produced harmful interference; do not require special protection yet, do not need to apply for channel specially yet to radio control department.The soul of Bluetooth technology is what its whole world was unified, the technical standard of exploitation, and the shared policy of world's bluetooth organization knowledge property right.It can unify the technical standard of each producer, businessman, realize the interconnection and interflow of various products and mutually between compatibility, avoid causing " technology is unordered " and the huge waste of social resources in market competition.
Description of drawings
Fig. 1 is that Surveillance center and highway fog lamp device are realized the telecommunication overall schematic;
Fig. 2 is the block diagram by detection of bluetooth endless relay transmitting high speed highway fog lamp and control signal.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples:
More than 10,000 kilometer of the existing highway of China, and just at high speed development, the road surface Facilities Construction is perfect substantially, the traffic capacity greatly improves, but infrastructure drops into imbalance, and heavy road surface is built, but safety management facility relative deficiency, the domestic and international report that extensive traffic accident took place in the greasy weather is a lot.For head it off, some highways have begun to have set up fog lamp and have induced traffic system, and this system has played very big effect to safety traffic, but the operation of this system has brought a series of problems thereupon: the life-span of 1) how to improve lamp; 2) break down when lamp, how to detect accurately and reliably and to pass to Surveillance center; 3) a series of problems such as energy-conservation.The present invention utilizes the method for bluetooth endless relay transmission signals, realizes can addressing the above problem the long-distance transmissions of fog lamp detection and control signal.
As depicted in figs. 1 and 2, the fog lamp signal supervisory instrument is with detected analog signal, deliver to interface arrangement, convert digital signal to by its inner A/D, deliver to central processing unit, central processing unit adopts the MEGA8 that contains big capacity EEPROM, A/D sampling interface and serial port UART, used bluetooth wireless devices is ROK101 007, be solidified with the Back ground Information of label, geographical position X, Y coordinate and the bluetooth wireless devices of this fog lamp in its flash memory, MEGA8 links to each other by serial port UART with bluetooth wireless devices ROK101 007.Under the control of central processing unit, information such as testing result and this fog lamp geographical position are sent to bluetooth wireless devices in its adjacent fog lamp device by bluetooth wireless devices, receive its adjacent fog lamp simultaneously and detect information such as information and geographical position, will be in GPRS communication network scope the bluetooth wireless devices in the fog lamp device as the whole bluetooth wireless devices of end, by it the GPRS R-T unit of each fog lamp testing result through being attached thereto sent, Bluetooth adapter by Surveillance center, central computer by Surveillance center receives, operating state and numbering thereof with each fog lamp, information such as geographical position show, with real-time discovery fog lamp abnormal conditions and position thereof.Control highway fog lamp opening and closing signal in Surveillance center's central computer transmission, via Bluetooth adapter, by the GPRS communication network, through the bluetooth line of endless relay transmission information, pass on each fog lamp, by the opening and closing of fog lamp control device control fog lamp.Bluetooth adapter is the central computer of Surveillance center and the bridge that bluetooth wireless devices is linked up, its core microprocessors is carried out communication with central computer on one side, on one side with the bluetooth wireless devices communication, the data that bluetooth wireless devices receives are passed to central computer, simultaneously the data of central computer are sent by bluetooth wireless devices.The input that relates in the present embodiment, control and interface circuit are existing circuit common, do not make detailed circuit at this and describe.
Claims (1)
1, a kind of method of utilizing bluetooth endless relay transmission signals, adjacent bluetooth is set in the bluetooth effective propagation path, it is characterized in that: be line between bluetooth and arrange continuously, bluetooth working software platform is superimposed with the signal transmission procedure, signal is transmitted in endless relay between the bluetooth, by computer the signal of endless relay transmission is handled, is controlled and shows; The signal that computer sends is transferred to corresponding bluetooth by terminal Bluetooth and the continuously arranged bluetooth relay of line, and the input of bluetooth is connected with signaling interface and connects input, signal processing circuit; The mode that line is arranged is the arrangement of the node of chain, and cross connection node can be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03134034.2A CN1599278A (en) | 2003-09-17 | 2003-09-17 | Method for continuous relay signal transmission using blue tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03134034.2A CN1599278A (en) | 2003-09-17 | 2003-09-17 | Method for continuous relay signal transmission using blue tooth |
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| Publication Number | Publication Date |
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| CN1599278A true CN1599278A (en) | 2005-03-23 |
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| CN03134034.2A Pending CN1599278A (en) | 2003-09-17 | 2003-09-17 | Method for continuous relay signal transmission using blue tooth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702780A (en) * | 2019-10-23 | 2021-04-23 | 广东美的制冷设备有限公司 | Communication distance regulation and control method and device of NFC chip and storage medium |
| CN113160544A (en) * | 2021-04-23 | 2021-07-23 | 中国建筑第八工程局有限公司 | Self-luminous road driving induction system and driving induction method thereof |
-
2003
- 2003-09-17 CN CN03134034.2A patent/CN1599278A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702780A (en) * | 2019-10-23 | 2021-04-23 | 广东美的制冷设备有限公司 | Communication distance regulation and control method and device of NFC chip and storage medium |
| CN113160544A (en) * | 2021-04-23 | 2021-07-23 | 中国建筑第八工程局有限公司 | Self-luminous road driving induction system and driving induction method thereof |
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