CN103648158A - Mobile phone indoor positioning terminal device based on Bluetooth technology - Google Patents
Mobile phone indoor positioning terminal device based on Bluetooth technology Download PDFInfo
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- CN103648158A CN103648158A CN201310349061.4A CN201310349061A CN103648158A CN 103648158 A CN103648158 A CN 103648158A CN 201310349061 A CN201310349061 A CN 201310349061A CN 103648158 A CN103648158 A CN 103648158A
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Abstract
The invention provides a mobile phone indoor positioning terminal device based on the Bluetooth technology. The mobile phone indoor positioning terminal device is characterized in that the mobile phone indoor positioning terminal device comprises a Bluetooth module 1, a radio-frequency antenna 2, a crystal oscillator 3, a power supply module, and a TTL-to-RS232 conversion module 5, wherein the radio-frequency antenna 2, the crystal oscillator 3 and the power supply module are connected with the Bluetooth module 1 separately, the power supply module comprises a variable resistor module, and the output power of the mobile phone indoor positioning terminal device can be adjusted by adjusting the output value of the variable resistor module. By applying the terminal device, the low-cost mobile phone indoor positioning and services can be realized, and the disadvantages of GPS positioning can be overcome.
Description
Technical field
The present invention relates to communication apparatus, the communication apparatus in particular for location, particularly, relates to the terminal equipment based on Bluetooth technology, especially the mobile phone indoor positioning terminal equipment based on Bluetooth technology.
Background technology
Locating cellphone can offer population with special need when in danger a key report to the police require assistance, target locations are determined in 110,120 rescues fast, the head of a family is to the go out warning locating cellphone of walking position inquiry, safety custody of old children, also can obtain warning message from locating cellphone, be " nurse with oneself " of individual security protection, emotional affection love.Applicable with have meet robs, be in distress, get lost, wander away, acute disease (heart, hypertension) burst, chance calamity are possible needs seek help crowd and children, old man, amentia etc. of emergency alarm to need monitoring crowd.Also can orientate user as by accurate hand provides route guidance, periphery service for life to consult etc. simultaneously.Improve the using value of mobile phone and the service range of operator.
There is more defect or imperfection in conventional Mobile Location Technology at present, is difficult to meet people's the demand to mobile phone positioning service.
1, popular GPS location technology.Although the precision of high-precision GPS navigation system can reach nearly 10 meter levels, mobile phone enters indoor-GPS system will be difficult to guarantee reliability.
2, the location technology based on communication base station (LBS).Although the location technology based on communication base station has solved the problem of indoor positioning technology, is subject to the interference of the signals such as base station signal, weather, radio wave, accuracy is not still desirable especially, and urban district is about 100M-500M left and right.
Therefore we in the urgent need to one high-precision, indoor locating system to be to make up the deficiency of GPS, LBS navigation system cheaply.
Summary of the invention
For carrying out the defect of indoor precise positioning in prior art, the object of this invention is to provide a kind of mobile phone indoor positioning terminal equipment based on Bluetooth technology.
According to an aspect of the present invention, a kind of mobile phone indoor positioning terminal equipment based on Bluetooth technology is provided, it is characterized in that, comprise: bluetooth module 1, radio-frequency antenna 2, crystal oscillator 3, supply module, TTL RS 232 module 5, described radio-frequency antenna 2, crystal oscillator 3, supply module are connected with described bluetooth module 1 respectively, described supply module comprises variable resistor module, and by regulating the output valve of described variable resistor module, the power output of described mobile phone indoor positioning terminal equipment can be conditioned.
Preferably, described bluetooth module 1 is set to same module with described radio-frequency antenna 2.
Preferably, described supply module comprises that 5V turns 3.3V adjustable voltage module 6 and power supply, and described 5V turns 3.3V adjustable voltage module 6 and connects respectively described power supply and described bluetooth module 1, and described 5V turns 3.3V adjustable voltage module 6 and comprises described variable resistor module.
Preferably, described mobile phone indoor positioning terminal equipment also comprises: storage chip 4, described storage chip 4 is connected with described bluetooth module 1.
Preferably, described bluetooth module 1 stores configurable command information in described storage chip 4 into.
Preferably, described command information comprise in following information any or appoint multiple: Bluetooth broadcast address, address airtime gap and address broadcast signal strength.
According to another aspect of the present invention, also provide a kind of mobile phone indoor positioning terminal equipment based on above-mentioned to carry out the control method of precise positioning, it is characterized in that, comprise the steps:
A. described mobile phone indoor positioning terminal equipment receives triggering signal;
B. described mobile phone indoor positioning terminal equipment carries out Bluetooth information broadcast, and described broadcast singal is searched described mobile phone indoor positioning terminal equipment for one or more main equipments.
Preferably, described broadcast singal is the address information spectrum signal based on 2.4GHz.
Those skilled in the art understand, in order to overcome, the power consumption of traditional bluetooth equipment is high, transmitting power large, wiring is complicated, it is large to take up room, complex operation, portable poor problem, and this bluetooth locating terminal has been integrated in variable resistor voltage regulation function, storage chip, level switch module, Bluetooth chip, radio-frequency transmissions antenna, high-capacity battery in same equipment.
The object of the invention be to provide a kind of cheaply, high accuracy mobile phone indoor positioning terminal equipment.Be mainly that traditional bluetooth equipment is optimized and is improved, remove and realize indoor mobile phone and locate the power consumption that the Bluetooth chip of unwanted function and components and parts and employing low-power consumption at utmost reduces terminal equipment of the present invention.As: removed the function such as signal authentication, connection, data interaction of traditional bluetooth, terminal of the present invention is only carried out the broadcast service of Bluetooth address, and the broadcast interval of Bluetooth address can be configured according to the demand of actual location business.In order to adapt to the demand of different localizing environments, this terminal can also adopt the mode that regulates variable resistance, thereby change Bluetooth transmission function, Bluetooth address broadcasting area is controlled, and specific implementation functional characteristics is as follows:
1) low power dissipation design based on BLK-MD-BC04-B Bluetooth chip and improvement;
2) the Bluetooth chip power adjustments of variable resistor principle;
3) only send Bluetooth broadcast address;
4) other Bluetooth signals are not verified;
5) other Bluetooth signals are not connected;
6) gap can regulate and control the Bluetooth address airtime.
The present invention considers the convenience of practical application feasibility and installation and deployment, and terminal adopts battery-powered operation pattern.By design and the optimization of low-power consumption, change primary cell and can guarantee that locating terminal normally works more than 1 year.By the application of this terminal equipment, can realize mobile phone indoor positioning and service cheaply, make up the deficiency (being difficult to realize indoor positioning) of GPS location.By accurate hand, orientating user as provides instant assistance, route guidance, periphery service for life to consult etc., improves the using value of mobile phone and the service range of operator.
Accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 illustrates according to a specific embodiment of the present invention, the schematic diagram of the mobile phone indoor positioning terminal equipment based on Bluetooth technology; And
Fig. 2 illustrates according to the first embodiment of the present invention, and the 5V of the described mobile phone indoor positioning terminal equipment based on Bluetooth technology turns the schematic diagram of 3.3V adjustable voltage module 6.
Embodiment
Fig. 1 illustrates according to a specific embodiment of the present invention, the schematic diagram of the mobile phone indoor positioning terminal equipment based on Bluetooth technology.Particularly, bluetooth module 1 in Fig. 1, radio-frequency antenna 2, crystal oscillator 3, storage chip 4, TTL RS 232 module 5,5V turns 3.3V adjustable voltage module 6, and lithium battery 7 has formed low-power consumption bluetooth cellular phone indoor positioning terminal equipment.Conventionally radio-frequency antenna 2 is external independent hard PCB antenna, signal stabilization is affected by the tightness degree of connecting interface, this module by antenna directly and Bluetooth chip be together arranged on printed substrate, both guaranteed good receptivity, reduce cost, saved enforcement space simultaneously.
In embodiment as shown in Figure 1, bluetooth module 1 is connected with TTL RS 232 module 5, TTL RS 232 module 5 is responsible for the RS232 level that is computer interfaceJi Suanjijiekou by the 3.3VTTL level conversion of Bluetooth chip, thereby realized level match function, by TTL RS 232 module 5, computer can communicate and command set bluetooth module 1.Simultaneously, bluetooth module 1 carries RAM memory interface, be connected with storage chip 4, when computer arranges Bluetooth chip, bluetooth module 1 stores configurable command information in storage chip 4 into simultaneously, such as Bluetooth broadcast address, address airtime gap and address broadcast signal strength, can be kept in storage chip 4, thereby guarantee the stability of the broadcast address of this bluetooth cellular phone indoor positioning terminal equipment, and can not produce address conflict with other modules, cause situation about cannot be identified by cell phone apparatus.The battery capacity that lithium battery 7 provides, magnitude of voltage can change along with the use of module, and 5V turns 3.3V adjustable voltage module 6, and to possess the input of wide voltage compatible, even when input voltage changes greatly, direct voltage that also can stable output.The output voltage that 5V turns 3.3V adjustable voltage module 6 inputs to bluetooth module, required electric weight while supplying with bluetooth module work.
At one, change in example, those skilled in the art understand, described mobile phone indoor positioning terminal equipment only comprises: bluetooth module 1, radio-frequency antenna 2, crystal oscillator 3, supply module, TTL RS 232 module 5, described radio-frequency antenna 2, crystal oscillator 3, supply module are connected with described bluetooth module 1 respectively, and described supply module comprises variable resistor module, by regulating the output valve of described variable resistor module, the power output of described mobile phone indoor positioning terminal equipment can be conditioned.
In another embodiment, described supply module comprises that 5V turns 3.3V adjustable voltage module 6 and power supply, described 5V turns 3.3V adjustable voltage module 6 and connects respectively described power supply and described bluetooth module 1, and described 5V turns 3.3V adjustable voltage module 6 and comprises described variable resistor module.Specifically embodiment as shown in Figure 2, does not repeat them here.
At another, change in example, described mobile phone indoor positioning terminal equipment also comprises storage chip 4, and described storage chip 4 is connected with described bluetooth module 1.Preferably, described bluetooth module 1 stores configurable command information in described storage chip 4 into.Further, at one, change in example, preferably, described command information comprise in following information any or appoint multiple: Bluetooth broadcast address, address airtime gap and address broadcast signal strength.
In embodiment as shown in Figure 2, it is the concrete implementation result that in Fig. 1,5V turns 3.3V adjustable voltage module 6.VOUT voltage is determined by the size of variable resistance R, R increase VOUT increase, and R reduces VOUT and reduces, and when VOUT changes, the transmitting power of Bluetooth chip can increase thereupon or reduce.
Preferably, it will be appreciated by those skilled in the art that described power module adopts battery, and change in example at one, described power module also can adopt city power supply to add the pattern of transformer, and this does not affect technology contents of the present invention.
With reference to above-mentioned Fig. 1 and Fig. 2, it will be appreciated by those skilled in the art that based on above-mentioned mobile phone indoor positioning terminal equipment, can carry out accurate indoor positioning, particularly, can realize as follows: described in a., mobile phone indoor positioning terminal equipment receives triggering signal; B. described mobile phone indoor positioning terminal equipment carries out Bluetooth information broadcast, and described broadcast singal is searched described mobile phone indoor positioning terminal equipment for one or more main equipments.Particularly, it will be appreciated by those skilled in the art that, when described mobile phone indoor positioning terminal equipment switches on power, described mobile phone indoor positioning terminal equipment just can carry out Bluetooth information broadcast automatically, thereby realize and outside communication.
Preferably, described broadcast singal is the address information spectrum signal based on 2.4GHz.
Further, those skilled in the art understand, by mobile phone indoor positioning terminal equipment provided by the invention, can effectively simplify the communication step of bluetooth equipment, such as steps such as the signal authentication of traditional bluetooth, connection, data interactions, can disregard, thereby realize effective communication, localization process.
The technical scheme that this bluetooth positioning terminal equipment technical solution problem adopts is: variable resistor is positioned at 5V and turns 3.3V adjustable voltage module, by the adjusting to variable resistor resistance, can reduce or the output voltage of rising voltage regulating module, thereby realize the adjusting to Bluetooth chip transmitting power, the value of variable resistance reduces transmitting power and reduces, vice versa, when the output voltage of adjustable voltage module is in the reasonable scope time, can guarantee that bluetooth positioning terminal equipment signal possesses low transmitting power consumption.In the middle of the printed circuit board that has been arranged in bluetooth module that radio-frequency antenna is concentrated, this is more more reasonable than traditional snap-type Antenna Design, can effectively reduce to implement space, and reduced the reflection interference that microwave signal causes in buckle bending place, without interpolation High frequency filter circuit in the situation that, the transmitting range that farthest improves module reaches the scope of 10m～20m.The space that storage chip provides terminal equipment information to arrange, turns TTL module by RS232, and computer can carry out informationization to equipment and configure, and realizes once-through operation, and the feature of persistence has reduced the complexity of repetitive operation module.Built-in high capacity cell, for terminal equipment provides the flying power of continous-stable, in conjunction with 5V, turn 3.3V adjustable voltage module, Bluetooth address airtime gap arranges, the electric weight that the equipment of can be provides work to reach 1 year, and because this equipment, without external power supply, makes equipment possess fabulous portable characteristics, improved the feasibility of this bluetooth positioning terminal equipment in indoor enforcement.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. the mobile phone indoor positioning terminal equipment based on Bluetooth technology, is characterized in that, comprising:
Bluetooth module (1), radio-frequency antenna (2), crystal oscillator (3), supply module, TTL RS 232 module (5),
Described radio-frequency antenna (2), crystal oscillator (3), supply module are connected with described bluetooth module (1) respectively,
Described supply module comprises variable resistor module, and by regulating the output valve of described variable resistor module, the power output of described mobile phone indoor positioning terminal equipment can be conditioned.
2. mobile phone indoor positioning terminal equipment according to claim 1, is characterized in that, described bluetooth module (1) is set to same module with described radio-frequency antenna (2).
3. mobile phone indoor positioning terminal equipment according to claim 1 and 2, it is characterized in that, described supply module comprises that 5V turns 3.3V adjustable voltage module (6) and power supply, described 5V turns 3.3V adjustable voltage module (6) and connects respectively described power supply and described bluetooth module (1), and described 5V turns 3.3V adjustable voltage module (6) and comprises described variable resistor module.
4. mobile phone indoor positioning terminal equipment according to claim 1 and 2, is characterized in that, described mobile phone indoor positioning terminal equipment also comprises: storage chip (4), described storage chip (4) is connected with described bluetooth module (1).
5. mobile phone indoor positioning terminal equipment according to claim 4, is characterized in that, described bluetooth module (1) stores configurable command information in described storage chip (4) into.
6. mobile phone indoor positioning terminal equipment according to claim 5, is characterized in that, described command information comprise in following information any or appoint multiple: Bluetooth broadcast address, address airtime gap and address broadcast signal strength.
7. the mobile phone indoor positioning terminal equipment based on described in any one in claim 1 to 6 carries out a control method for precise positioning, it is characterized in that, comprises the steps:
A. described mobile phone indoor positioning terminal equipment receives triggering signal;
B. described mobile phone indoor positioning terminal equipment carries out Bluetooth information broadcast, and described broadcast singal is searched described mobile phone indoor positioning terminal equipment for one or more main equipments.
8. control method according to claim 7, is characterized in that, described broadcast singal is the address information spectrum signal based on 2.4GHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310349061.4A CN103648158A (en) | 2013-08-12 | 2013-08-12 | Mobile phone indoor positioning terminal device based on Bluetooth technology |
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| CN201310349061.4A CN103648158A (en) | 2013-08-12 | 2013-08-12 | Mobile phone indoor positioning terminal device based on Bluetooth technology |
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| CN104716994A (en) * | 2015-01-09 | 2015-06-17 | 络达科技股份有限公司 | Magnetic control type bluetooth device |
| CN106255199A (en) * | 2015-06-04 | 2016-12-21 | 广达电脑股份有限公司 | Indoor positioning device |
| CN106412808A (en) * | 2016-11-15 | 2017-02-15 | 广东小天才科技有限公司 | Positioning search method and apparatus thereof |
| CN107769822A (en) * | 2017-11-02 | 2018-03-06 | 成都吱吖科技有限公司 | A kind of filtering process technology based on bluetooth indoor positioning technologies broadcasting power |
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| CN107769822B (en) * | 2017-11-02 | 2021-10-12 | 江苏蓝策电子科技有限公司 | Filtering processing system based on broadcast power of Bluetooth indoor positioning technology |
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Application publication date: 20140319 |