CN107809272A - A kind of mobile terminal device of security protection based on Bluetooth technology - Google Patents
A kind of mobile terminal device of security protection based on Bluetooth technology Download PDFInfo
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- CN107809272A CN107809272A CN201711176937.4A CN201711176937A CN107809272A CN 107809272 A CN107809272 A CN 107809272A CN 201711176937 A CN201711176937 A CN 201711176937A CN 107809272 A CN107809272 A CN 107809272A
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- 241001062009 Indigofera Species 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 10
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- 239000013078 crystal Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
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Classifications
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- H04B5/48—
Abstract
The invention discloses a kind of mobile terminal device of security protection based on Bluetooth technology, include the process chip of bluetooth module and the mobile terminal device, process chip is connected with bluetooth module by the external output port of bluetooth module；The RXD and TXD of bluetooth module are connected on the serial ports pin of process chip by Transistor-Transistor Logic level, then AT status pins are connected on an I/O pins of process chip.The bluetooth module of the present invention and the communication mode of process chip are serial communications, the RXD of bluetooth module and TXD is connected on the serial ports pin of process chip by Transistor-Transistor Logic level, AT status pins are connected on the I/O pins of process chip one again, realize and utilize used network shooting machine platform, the module of driving bluetooth carries out data transmission, as long as user is in effective scope, use the upper video camera of mobile terminal device connection with bluetooth, can transfers audio/video information in real time, head can also be controlled, the efficiency of work is improved, facilitates user management.
Description
Technical field
The present invention relates to a kind of mobile terminal device of security protection based on Bluetooth technology, belongs to a kind of Bluetooth technology in network
Application field in video camera, it is mainly used in the protection and monitor fields such as family, office, public place.
Background technology
Bluetooth technology is a kind of radiotechnics of short haul connection, is portable electric appts and stationary electronic device
Between replace cable connection short-distance wireless communication standard.It wirelessly connects the external equipment of various digital informations
Pick up and, so as to form a kind of network in personal surrounding field so that the various Mobile portable equipments in the range of it realize nothing
The resource-sharing of seam.It can effectively simplify the communication between mobile communication terminal device, and full duplex transmission communication mechanism is big
The big efficiency for improving data transfer.It uses 2.4GHzISM frequency ranges and frequency modulation, frequency hopping, and its data rate is up to 1Mbps.
Bluetooth technology possesses that networking is simple, and communicated in effective range is not influenceed by barrier, low in energy consumption, communications security is good and blue
The radio-frequency module radiation of tooth module can almost be ignored, and human body not had an impact.But resist in traffic rate and 2.4GHz frequency ranges
Have much room for improvement on interference performance.
Bluetooth technology standard is unified, and intellectual property is shared, and this technology has been widely used in implementation of Bluetooth hands-free system
In, improve the security and comfortableness of driving.Carry out the research and development of Bluetooth technology application product, possess in China huge
Market.
Nowadays, Bluetooth technology is extensively using such as wireless headset, mouse, PSP game machines in a wireless device.Example
As disclosed a kind of terminal device based on Bluetooth technology in the U of Chinese patent CN 203563196, mainly include：Bluetooth module,
Radio-frequency antenna, crystal oscillator, power supply module, TTL RS 232 modules, the radio-frequency antenna, crystal oscillator, power supply module
It is connected respectively with the bluetooth module, power supply module includes variable resistor module, by adjusting the defeated of the variable resistor module
Go out value, the power output of mobile phone indoor positioning terminal device can be conditioned；But the mobile terminal device is only limited to utilize indigo plant
Tooth technology is positioned, application limitation, and applies few in protection and monitor field, and there is presently no relevant report.
Therefore, for applying the Bluetooth technology in protection and monitor field, need solution technical problem underlying as follows among these：How to utilize
Used network shooting machine platform, drives the module of bluetooth to carry out data transmission.
The content of the invention
It is an object of the invention to provide a kind of mobile terminal device of security protection based on Bluetooth technology, the RXD of bluetooth module
It is connected to TXD by Transistor-Transistor Logic level on the serial ports pin of process chip, then AT status pins is connected to the I/O of process chip one and drawn
On pin, realize using used network shooting machine platform, drive the module of bluetooth to carry out data transmission.
The technical solution adopted by the present invention is：A kind of mobile terminal device of security protection based on Bluetooth technology, its innovative point
It is：Process chip including bluetooth module Yu the mobile terminal device, process chip pass through bluetooth module with bluetooth module
External output port is connected；The serial ports that the RXD and TXD of the bluetooth module are connected to process chip by Transistor-Transistor Logic level draws
On pin, then AT status pins are connected on an I/O pins of process chip.
Further, the bluetooth module is HC-05 bluetooth modules, specifically one piece of high performance principal and subordinate's one bluetooth string
Mouth mold block, matched with computer or cell phone intelligent terminal.
Further, the configuration pin of the bluetooth module AT states passes through R4 resistance eutral groundings.
Further, the pull-up resistor of serial ports transmitting-receiving pin is also included in the bluetooth module, realizes that the anti-electromagnetism of equipment is done
Disturb.
Further, the Schottky diode being connected with bluetooth module is also included in the bluetooth module, realizes Transistor-Transistor Logic level
The input of signal.
Further, also there is status indicator lamp, status indicator lamp is connected with bluetooth module in the bluetooth module.
Beneficial effects of the present invention are as follows：
（1）The bluetooth module of the present invention and the communication mode of process chip are serial communications, and the RXD of bluetooth module and TXD are led to
Cross Transistor-Transistor Logic level to be connected on the serial ports pin of process chip, then AT status pins are connected on the I/O pins of process chip one, it is real
Show using used network shooting machine platform, driven the module of bluetooth to carry out data transmission；
（2）Bluetooth module supply voltage the compatibility 3.3V and 5V of the present invention, possesses the baud rate scope of non-constant width, compact,
It is low in energy consumption, can very easily with band Bluetooth terminal equipment match；
（3）The present invention is applied on safety monitoring, as long as user in effective scope, uses the mobile terminal device with bluetooth
Video camera in connection, it is possible to transfer audio/video information in real time, head can also be controlled, the behaviour such as camera parameters is set
Make, improve the efficiency of work, facilitate user management.
Brief description of the drawings
The present invention is described in further details with reference to the accompanying drawings and detailed description.
Fig. 1 is operating circuit schematic diagram of the present invention.
Fig. 2 is the MCU connection figures of bluetooth module of the present invention and mobile device.
Embodiment
The present invention relates to a kind of mobile terminal device of the security protection security protection based on Bluetooth technology, its innovative point is：Bag
Include the process chip of bluetooth module and the mobile terminal device, process chip and bluetooth module pass through external defeated of bluetooth module
Exit port is connected；The RXD and TXD of the bluetooth module are connected on the serial ports pin of process chip by Transistor-Transistor Logic level, then will
AT status pins are connected on an I/O pins of process chip.
As shown in figure 1, what is 1. pointed to is HC-05 bluetooth modules, it is one piece of high performance principal and subordinate's one bluetooth serial ports mould
Block, it can be matched with intelligent terminals such as computer, mobile phones.Its peripheral circuit is simple, and module is compact, easy to use and flexible is it
A big feature.
2. what is pointed to is the configuration pin of bluetooth module AT states.Be under module default conditions by R4 resistance eutral groundings, when
When user needs to configure module, it is necessary to draw high BSKEY pins.Bluetooth module is allowed to enter AT states, bluetooth module
The configuration information sent from the external world could be identified.
3. being the pull-up resistor of serial ports transmitting-receiving pin, its effect is that neutral signal is passed through into resistance clamper to high electricity
It is flat, improve the anti-electromagnetic interference capability of serial bus.
4. pointed D1, D2 Schottky diode, can allow the input of Transistor-Transistor Logic level signal.
5. BSLED is the output of pairing state, successful matching output high level, unpaired, low level is exported.
6. it is the status indicator lamp that bluetooth module carries.According to status indicator lamp, we very easily judge mould at can
The current state of block.
7. C1, C2 for referring to are the filter capacitors of power supply.
8. it is the external output port of bluetooth module.
By bluetooth module and the MCU of mobile device（Single-chip microcomputer, micro-control unit）Connection figure（Fig. 2）, specific implementation original
Reason is as follows：
1st, system power supply POWER first powers to HC05 bluetooth modules；
2nd, RXDs and TXD of the TXD and RXD of bluetooth module respectively with MCU are docked, and carry out Transistor-Transistor Logic level serial communication；
3rd, KEY is connected on mono- I/O port of MCU, and whether MCU cans control bluetooth module enters AT patterns is matched somebody with somebody to bluetooth
Put；
4th, LED is linked on MCU another I/O port, it is possible to judge bluetooth module whether successful matching；
5th, after the completion of matching, it is possible to carry out serial data communication.
The present invention is applied on safety monitoring, as long as user in effective scope, is set using the mobile terminal with bluetooth
The standby upper video camera of connection, it is possible to transfer audio/video information in real time, head can also be controlled, camera parameters etc. are set
Operation, improves the efficiency of work, facilitates user management.
Described above is the preferred embodiment of the present invention, it is impossible to the interest field of the present invention is limited with this.It should refer to
Go out, for those skilled in the art, technical scheme is modified or equivalent substitution, all
Protection scope of the present invention is not departed from.
Claims (6)
- A kind of 1. mobile terminal device of security protection based on Bluetooth technology, it is characterised in that：Including bluetooth module and the movement The process chip of terminal device, process chip are connected with bluetooth module by the external output port of bluetooth module；The indigo plant The RXD and TXD of tooth module are connected on the serial ports pin of process chip by Transistor-Transistor Logic level, then AT status pins are connected into processing On one I/O pins of chip.
- 2. mobile terminal device of the security protection according to claim 1 based on Bluetooth technology, it is characterised in that：The bluetooth Module is HC-05 bluetooth modules, specifically one piece of high performance principal and subordinate's one bluetooth serial ports module, whole with computer or cell phone intelligent Matched at end.
- 3. mobile terminal device of the security protection according to claim 1 based on Bluetooth technology, it is characterised in that：The bluetooth The configuration pin of modules A T-shaped state passes through R4 resistance eutral groundings.
- 4. mobile terminal device of the security protection according to claim 1 based on Bluetooth technology, it is characterised in that：The bluetooth Also include the pull-up resistor of serial ports transmitting-receiving pin in module, realize equipment electromagnetism interference.
- 5. mobile terminal device of the security protection according to claim 1 based on Bluetooth technology, it is characterised in that：The bluetooth Also include the Schottky diode being connected with bluetooth module in module, realize the input of Transistor-Transistor Logic level signal.
- 6. mobile terminal device of the security protection according to claim 1 based on Bluetooth technology, it is characterised in that：The bluetooth Also there is status indicator lamp, status indicator lamp is connected with bluetooth module in module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176937.4A CN107809272A (en) | 2017-11-22 | 2017-11-22 | A kind of mobile terminal device of security protection based on Bluetooth technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176937.4A CN107809272A (en) | 2017-11-22 | 2017-11-22 | A kind of mobile terminal device of security protection based on Bluetooth technology |
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| Publication Number | Publication Date |
|---|---|
| CN107809272A true CN107809272A (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176937.4A Pending CN107809272A (en) | 2017-11-22 | 2017-11-22 | A kind of mobile terminal device of security protection based on Bluetooth technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182514A (en) * | 2019-12-11 | 2020-05-19 | 福建魔方电子科技有限公司 | Method, device, equipment and medium for realizing time-sharing multiplexing of pins |
-
2017
- 2017-11-22 CN CN201711176937.4A patent/CN107809272A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182514A (en) * | 2019-12-11 | 2020-05-19 | 福建魔方电子科技有限公司 | Method, device, equipment and medium for realizing time-sharing multiplexing of pins |
| CN111182514B (en) * | 2019-12-11 | 2023-06-30 | 福建魔方电子科技有限公司 | Method, device, equipment and medium for realizing pin time-sharing multiplexing |
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Application publication date: 20180316 |