CN202854328U - Positioning data sensor - Google Patents
Positioning data sensor Download PDFInfo
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- CN202854328U CN202854328U CN 201220496713 CN201220496713U CN202854328U CN 202854328 U CN202854328 U CN 202854328U CN 201220496713 CN201220496713 CN 201220496713 CN 201220496713 U CN201220496713 U CN 201220496713U CN 202854328 U CN202854328 U CN 202854328U
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Abstract
The utility model provides a positioning data sensor which comprises a CSS radio frequency module used for transmitting positioning information through a communication signal, wherein the positioning information comprises time information of transmitting the positioning information, and the CSS radio frequency module is also used for receiving positioning feedback information sent by a positioning tag on a body to be positioned according to the positioning information through the communication signal; a bus driver which is electrically connected with the CSS radio frequency module and is used for amplifying or reducing communication signals of the CSS radio frequency module and the micro processor; and a microprocessor which is electrically connected with the bus driver and is used for obtaining a position coordinate of the body to be positioned according to the positioning information and the positioning feedback information. According to the positioning data sensor, the CSS radio frequency module is employed to carry out precise positioning and data transmission, a solution mechanism based on time of arrival (TOA) is employed by the CSS radio frequency module, the positioning accuracy is raised, and the accuracy of wireless positioning is ensured.
Description
Technical field
The utility model relates to the wireless location technology field, relates in particular to a kind of locator data sensor.
Background technology
Along with the continuous growth of national economy, the demand that industrial automation is produced is day by day also, and coal industry field is corresponding has obtained larger development, but the colliery is great, serious accident happens occasionally, and society and governments at all levels more and more pay attention to the Safety of Coal Mine Production problem.
When the colliery has an accident, in order to implement rescue to down-hole miner efficiently, just need to know accurately the residing position of miner.At present, generally adopt the 433MHz/2.4GHz wireless chips such as Nordic, TI, consist of RFID card reader, the positioning label of 0-10dbm radio-frequency power; The RFID card reader according to distributing installation between the directorial area of actual needs in top, tunnel or side, and be connected with control center by fieldbus or wireless network, when down-hole miner carries positioning label through the RFID card reader, system's automatic tag identification, the line item of going forward side by side shows with passback control center.Aforesaid way has the following disadvantages:
1, only feasible region is fuzzy locates, and the personnel that namely only can identify for example in the 60 meters scopes in card reader front and back, all can only provide the information of " whether personnel exist " in identified region;
2, aforesaid way belongs to RSSI(Received Signal Strength Indication, signal intensity indication) locator meams, the RSSI location exists uncertain, generally judge roughly that by the mode of directional antenna personnel are from the distance of card reader, but because uncertainty and the vulnerability to jamming of RSSI, particularly in the situation that environmental change is large, personnel increase, RSSI can't accurately indicate;
3, can only determine to have How many people person in the tunnel, and can not determine actual position, this has brought the workload that is difficult to predict to emergency case, especially in the situation that distributed points is more, directly have influence on emergent decision-making.
The utility model content
Provide hereinafter about brief overview of the present utility model, in order to basic comprehension about some aspect of the present utility model is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present utility model.It is not that intention is determined key of the present utility model or pith, neither be intended to limit scope of the present utility model.Its purpose only is that the form of simplifying provides some concept, with this as the in greater detail preorder of discussing after a while.
The utility model provides a kind of locator data sensor, in order to improve the accuracy of wireless location.
The utility model provides a kind of locator data sensor, comprising:
CSS(Chirp Spread Spectrum, the linear frequency modulation spread spectrum) radio-frequency module, be used for by the communication signal emitting locating information, described locating information comprises the temporal information of launching described locating information; Also be used for receiving the position feedback information that the positioning label on the body to be positioned sends according to described locating information by described signal of communication;
Bus driver is electrically connected with described CSS radio-frequency module, for the signal power of described signal of communication being amplified or reducing;
Microprocessor is electrically connected with described bus driver, is used for knowing according to described locating information and position feedback information the position coordinates of described body to be positioned.
The locator data sensor that the utility model provides, adopt the CSS radio-frequency module to position the emission of information and the acceptance of position feedback information, the CSS radio-frequency module is based on TOA(Time Of Arrival, time of arrival) the mechanism of resolving, improve bearing accuracy, guaranteed the accuracy of wireless location.
Description of drawings
With reference to below in conjunction with the explanation of accompanying drawing to the utility model embodiment, can understand more easily above and other purpose of the present utility model, characteristics and advantage.Parts in the accompanying drawing are just in order to illustrate principle of the present utility model.In the accompanying drawings, same or similar technical characterictic or parts will adopt same or similar Reference numeral to represent.
The schematic diagram of the locator data sensor that Fig. 1 provides for the utility model embodiment one.
Description of reference numerals:
The first linear voltage regulator-1; The second linear voltage regulator-2; The first bus driver-3;
CSS radio-frequency module-4; Dual-mode antenna-5; The second bus driver-6;
USB interface-8; Serial ports-9; Jtag interface-10;
SPI/USART interface-11; Microprocessor-12.
Embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.The element of describing in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with element and the feature shown in one or more other accompanying drawing or the embodiment.Should be noted that for purpose clearly, omitted in accompanying drawing and the explanation and the utility model expression and description irrelevant, parts known to persons of ordinary skill in the art and processing.
The schematic diagram of the locator data sensor that Fig. 1 provides for the utility model embodiment one, as shown in Figure 1, the locator data sensor of the present embodiment comprises CSS radio-frequency module 4, is used for by the communication signal emitting locating information, and locating information comprises the temporal information of launching locating information; Also be used for receiving the position feedback information that the positioning label on the body to be positioned sends according to locating information by signal of communication; Bus driver is electrically connected with CSS radio-frequency module 4, for the signal power of signal of communication being amplified or reducing; Microprocessor 12 is electrically connected with bus driver, is used for knowing according to locating information and position feedback information the position coordinates of body to be positioned.
The locator data sensor of such scheme, adopt CSS radio-frequency module 4 to position the emission of information and the acceptance of position feedback information, CSS radio-frequency module 4 has improved bearing accuracy based on the mechanism of resolving of time of arrival (TOA), and has guaranteed the accuracy of wireless location.
In actual use, this locator data sensor is fixedly mounted on the position of known coordinate, and the needs according to reality is used can arrange respectively in the position of a plurality of known coordinates a locator data sensor.Positioning label on this locator data sensor and the body to be positioned (body to be positioned herein can refer to wear anyone of positioning label) carries out communication.When body to be positioned carried positioning label and moves in the identified region of this locator data sensor, by the communication signal emitting locating information, locating information comprised the temporal information of launching locating information to CSS radio-frequency module 4 by dual-mode antenna 5; Accordingly, positioning label on the body to be positioned receives locating information, and according to locating information transmission position feedback information, CSS radio-frequency module 4 receives position feedback information, and microprocessor 12 calculates according to corresponding temporal information in locating information and the position feedback information and obtains the residing particular location of positioning label.This locator data sensor can also send the particular location that calculates to corresponding watch-dog.
Wherein, microprocessor 12 also is used for carrying out exchanges data control with extraneous other equipment (for example host computer), the particular location that obtains is sent to extraneous other equipment, and the work of this locator data sensor controlled, parameter by embedded program configuration CSS radio-frequency module 4, the for example selection of communication pattern, the control of communication bandwidth etc.
Because the load driving force of the data/address of microprocessor 12/control bus port all is certain restriction, break down in order to prevent load from surpassing load capacity, bus driver then is set comes the power of signal of communication is amplified or reduce operation accordingly.
Further, based on above-described embodiment, can be under mine or outdoor long-time stable work in order to make this locator data sensor, therefore be provided with special power supply unit, be electrically connected with CSS radio-frequency module 4 and microprocessor 12, so that CSS radio-frequency module 4 and microprocessor 12 are powered.Wherein, this power supply unit has from turn-offing (protection) function, can protect the working stability of microprocessor 12 and CSS radio-frequency module 4.
Further, based on above-described embodiment, power supply unit is dc power supply unit, and this dc power supply unit comprises the first linear voltage regulator 1 and the second linear voltage regulator 2, the first linear voltage regulator 1 is electrically connected with CSS radio-frequency module 4, and the second linear voltage regulator 2 is electrically connected with microprocessor 12.Direct current is respectively through the first linear voltage regulator 1 and the second linear voltage regulator 2, processed by the first linear voltage regulator 1 and 2 pairs of direct currents of the second linear voltage regulator, the stability of relevant voltage that CSS radio-frequency module 4 and microprocessor 12 are provided be can guarantee, and then work efficiency and the quality of CSS radio-frequency module 4 and microprocessor 12 guaranteed.
Further, based on above-described embodiment, for make this locator data sensor can with outside other equipment for example host computer communicate, then microprocessor also is electrically connected with SPI/USART(Serial Peripheral Interface at least, Serial Peripheral Interface (SPI)/Universal Synchronous/Asynchronous Receiver/Transmitter, universal synchronous/asynchronous serial reception/transmitter) interface 11, JTAG(Joint Test Action Group, combined testing action group) interface 10, serial ports 9 or USB(Universal Serial BUS, USB (universal serial bus)) at least a interface in the interface 8 is used for communicating by letter with host computer.
Further, based on above-described embodiment, bus driver can be set to two in the present embodiment, is respectively the first bus driver 3 and the second bus driver 6.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. a locator data sensor is characterized in that, comprising:
The CSS radio-frequency module is used for by the communication signal emitting locating information, and described locating information comprises the temporal information of launching described locating information; Also be used for receiving the position feedback information that the positioning label on the body to be positioned sends according to described locating information by described signal of communication;
Bus driver is electrically connected with described CSS radio-frequency module, is used for power to described signal of communication and amplifies or reduce;
Microprocessor is electrically connected with described bus driver, is used for knowing according to described locating information and position feedback information the position coordinates of described body to be positioned.
2. locator data sensor according to claim 1 is characterized in that, also comprises power supply unit, and described power supply unit is electrically connected with described CSS radio-frequency module and described microprocessor respectively.
3. locator data sensor according to claim 2, it is characterized in that, described power supply unit is dc power supply unit, described dc power supply unit comprises the first linear voltage regulator and the second linear voltage regulator, described the first linear voltage regulator is electrically connected with described CSS radio-frequency module, and described the second linear voltage regulator is electrically connected with described microprocessor.
4. arbitrary described locator data sensor is characterized in that according to claim 1-3, and described microprocessor also is electrically connected with at least a interface in SPI/USART interface, jtag interface, serial ports or the USB interface at least, is used for communicating by letter with host computer.
5. arbitrary described locator data sensor is characterized in that according to claim 1-3, and described bus driver is provided with two altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496713 CN202854328U (en) | 2012-09-26 | 2012-09-26 | Positioning data sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496713 CN202854328U (en) | 2012-09-26 | 2012-09-26 | Positioning data sensor |
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| Publication Number | Publication Date |
|---|---|
| CN202854328U true CN202854328U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220496713 Expired - Lifetime CN202854328U (en) | 2012-09-26 | 2012-09-26 | Positioning data sensor |
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| CN (1) | CN202854328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105874347B (en) * | 2013-11-21 | 2019-09-06 | 特雷斯韦夫有限公司 | CSS positioning system |
-
2012
- 2012-09-26 CN CN 201220496713 patent/CN202854328U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105874347B (en) * | 2013-11-21 | 2019-09-06 | 特雷斯韦夫有限公司 | CSS positioning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AAK ME TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING EWISE TECHNOLOGY CO., LTD. Effective date: 20150305 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100000 SHIJINGSHAN, BEIJING TO: 100036 HAIDIAN, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150305 Address after: 100036, 65 Fuxing Road, Beijing, nine, floor 910, Haidian District Patentee after: BEIJING ASKME TECHNOLOGY Co.,Ltd. Address before: 100000 Beijing city Shijingshan District Gucheng street, lyshine Plaza A building room 450 Patentee before: BEIJING EWISE TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |