CN205679593U - A kind of imflammable gas detector based on bluetooth - Google Patents
A kind of imflammable gas detector based on bluetooth Download PDFInfo
- Publication number
- CN205679593U CN205679593U CN201620621235.7U CN201620621235U CN205679593U CN 205679593 U CN205679593 U CN 205679593U CN 201620621235 U CN201620621235 U CN 201620621235U CN 205679593 U CN205679593 U CN 205679593U
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- Prior art keywords
- power supply
- circuit
- voltage
- bluetooth
- chip
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Abstract
nullThe utility model discloses a kind of imflammable gas detector based on bluetooth，Baseband controller and flash memory、Voltage modulation circuit、Radio-frequency module connects，RF IC and loop filter、Voltage controlled oscillator、Signal receiving circuit、Signal sending circuit、Crystal oscillator connects，Signal receiving circuit、Signal sending circuit is connected with RX/TX duplexer，RX/TX duplexer is connected with antenna filter，Sensor uses MC1403 power supply to be powered it，MC1403 power supply is connected by amplifier and audion and 7301 power supply voltage stabilizing chips，Sensor is connected with A/D converter by amplifier，7301 power supply voltage stabilizing chips are connected with AT89LS52 chip，A/D converter is connected with AT89LS52 chip，AT89LS52 chip is connected with ROK101007 module，This utility model is by the bluetooth sending/receiving module arranged，It is not required to can be completed the real-time monitoring of fuel gas by complicated wired connection，Circuit is simple，Safety is high，It is not susceptible to fault，Lifetime of system is long，Convenient later maintenance，Use in the case of being suitable to bad environments.
Description
Technical field
This utility model relates to imflammable gas detector technology field, a kind of combustibility based on bluetooth
Gas detector.
Background technology
In data collecting system in industry spot, great majority employing operates in the different agreement on different media
Cable connects, due to the usual bad environments of industry spot, dust, high temperature, humidity, vibrations, the surge of industrial electrical network, mistake ripple and point
Peak disturbs, particularly require under the conditions of electromagnetism and radio interference etc. the data of gas sensor want long-time, continuously, reliable,
Intactly transmitting data, the electromagnetic shielding of cabling and physical protection necessarily design the pith of sensing system.Mostly pass
Sensor capacity of resisting disturbance is not the strongest, and the electric wire of wired connection is shorter for service life under bad environments, later stage not easy care, and
It is susceptible to fault or causes other problems threatening safety.
Therefore, for overcome the deficiency of above-mentioned technology and design that a circuit is simple, safety is high, lifetime of system length, after
Phase is easy to maintenance, be applicable to bad environments in the case of use a kind of based on bluetooth imflammable gas detector, invent just
People's problem to be solved.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide the detection of a kind of imflammable gas based on bluetooth
Device, its circuit is simple, and safety is high, is not susceptible to fault, and lifetime of system is long, convenient later maintenance, it is adaptable to environment is disliked
Use in the case of bad.
This utility model solves its technical problem and be the technical scheme is that a kind of imflammable gas based on bluetooth is visited
Surveying device, it includes that information sending module, information receiving module, described information receiving module include ROK101008 bluetooth module, institute
State information sending module and include ROK101007 bluetooth module, combustible gas sensor, D.C. regulated power supply, described ROK101007
Bluetooth module includes baseband controller, flash memory, radio-frequency module, and described baseband controller is provided with UART interface, USB interface,
Described baseband controller is connected with flash memory, voltage modulation circuit, radio-frequency module, and described radio-frequency module includes loop filter, pressure
Control oscillator, RF IC, crystal oscillator, signal receiving circuit, signal sending circuit, RX/TX duplexer and antenna filter
Device, described RF IC respectively with loop filter, voltage controlled oscillator, signal receiving circuit, signal sending circuit, crystal oscillator
Connecting, described signal receiving circuit, signal sending circuit are connected with RX/TX duplexer, described RX/TX duplexer and antenna
Filter connects, and the voltage that described D.C. regulated power supply exports through guard grating processes through 7805 three terminal regulators again,
Described three terminal regulator and 7660 voltage changers connect, and described combustible gas sensor uses MC1403 power supply to supply it
Electricity, described MC1403 power supply is connected by amplifier and audion and 7301 power supply voltage stabilizing chips, described combustible gas sensor
Being connected with A/D converter by amplifier, described 7301 power supply voltage stabilizing chips are connected with AT89LS52 chip, and described A/D changes
Device is connected with AT89LS52 chip, and described AT89LS52 chip is connected with ROK101007 bluetooth module by serial ports.
The beneficial effects of the utility model are:
1, this utility model is by the bluetooth sending/receiving module arranged, and the signal of sensor sensing is not required to by wired company
Receiving main frame can complete to monitor in real time, its circuit is simple, and safety is high, is not susceptible to fault, and lifetime of system is long, the later stage
Easy to maintenance, it is adaptable to use in the case of bad environments.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure block diagram.
Fig. 2 is this utility model information sending module structured flowchart.
Fig. 3 is this utility model information gathering sending module circuit theory diagrams.
Fig. 4 is this utility model information receiving module circuit theory diagrams.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is expanded on further, it should be appreciated that these embodiments are merely to illustrate this
Utility model rather than limit scope of the present utility model.In addition, it is to be understood that reading the content that this utility model is lectured
Afterwards, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values also fall within application
Appended claims limited range.
Seeing Fig. 1 is this utility model overall structure block diagram, and seeing Fig. 2 is this utility model information sending module structural frames
Figure, a kind of imflammable gas detector based on bluetooth of this structure, including information sending module, information receiving module, information connects
Receive module include ROK101008 bluetooth module, information sending module include ROK101007 bluetooth module, combustible gas sensor,
D.C. regulated power supply, ROK101007 bluetooth module includes baseband controller, flash memory, radio-frequency module, baseband controller is provided with
UART interface, USB interface, baseband controller is connected with flash memory, voltage modulation circuit, radio-frequency module, and radio-frequency module includes loop
Wave filter, voltage-controlled oscillator (VCO), RF IC, crystal oscillator, signal receiving circuit, signal sending circuit, RX/TX duplexer and
Antenna filter, RF IC respectively with loop filter, voltage controlled oscillator, signal receiving circuit, signal sending circuit,
Crystal oscillator connects, and signal receiving circuit, signal sending circuit are connected with RX/TX duplexer, and RX/TX duplexer filters with antenna
Device connects, and the voltage that D.C. regulated power supply exports through guard grating processes through 7805 three terminal regulators again, three-terminal voltage-stabilizing
Device and 7660 voltage changers connect, and combustible gas sensor uses MC1403 power supply to be powered it, and MC1403 power supply leads to
Crossing amplifier and audion and 7301 power supply voltage stabilizing chips connect, combustible gas sensor is by amplifier with A/D converter even
Connecing, 7301 power supply voltage stabilizing chips are connected with AT89LS52 chip, and A/D converter is connected with AT89LS52 chip, AT89LS52 core
Sheet is connected with ROK101007 bluetooth module by serial ports.
Seeing Fig. 3 is this utility model information gathering sending module circuit theory diagrams, collecting part wherein direct voltage source
The voltage exporting+9V after guard grating obtains the voltage of+5V after three terminal regulator 7805, and this voltage is again through DC-DC
After changer 7660, obtain the voltage of-5V, so ,+5 can be obtained and with-5V voltage, this converter circuit is powered, this confession
The relatively low purpose of piezoelectric voltage is to make converter circuit be easily designed to essence safety type circuits, accurate reference voltage
The output voltage of MC1403 is 2.5V, but output electric current is smaller, so by the output voltage of MC1403 by amplifier and three
Pole pipe carries out Current amplifier, and gas sensor electric bridge is powered by the voltage of this 2.5V.7301 is power supply voltage stabilizing chip, utilizes 5V defeated
Enter voltage and obtain the voltage of 3.3V to bluetooth module and AT89LS52 chip power supply, the embodiment gas after operational amplifier processes
The voltage signal of bulk concentration is sent into ADC0809 and is changed, and the digital signal after conversion carries out gas concentration in sending into single-chip microcomputer
Calculating, then deliver in bluetooth module by serial ports, data are sent by ROK101007 by internal agreement and antenna.
Seeing Fig. 4 is this utility model information receiving module circuit theory diagrams, in interface conversion circuit, MAX3232E master
Will by the running voltage of CMOS level conversion to be RS232C, MAX757 for system provide 3.3V, by front-end collection to data give
Process in computer.Receiving portion uses ROK101008 chip, and ROK101008 chip is compared few with ROK101007
USB interface, the reset terminal Low level effective of chip, low level signal is produced by audion.
This utility model is by the bluetooth sending/receiving module arranged, and the signal of sensor sensing is not required to pass through wired connection
Can complete to monitor in real time to main frame, its circuit is simple, and safety is high, is not susceptible to fault, and lifetime of system is long, and the later stage ties up
Protect conveniently, it is adaptable to use in the case of bad environments.
Claims (1)
1. an imflammable gas detector based on bluetooth, it is characterised in that: it includes that information sending module, information receive mould
Block, described information receiving module includes that ROK101008 bluetooth module, described information sending module include ROK101007 bluetooth mould
Block, combustible gas sensor, D.C. regulated power supply, described ROK101007 bluetooth module includes baseband controller, flash memory, radio frequency
Module, described baseband controller is provided with UART interface, USB interface, described baseband controller and flash memory, voltage modulated electricity
Road, radio-frequency module connect, and described radio-frequency module includes loop filter, voltage-controlled oscillator (VCO), RF IC, crystal oscillator, signal
Receiving circuit, signal sending circuit, RX/TX duplexer and antenna filter, described RF IC is filtered with loop respectively
Ripple device, voltage controlled oscillator, signal receiving circuit, signal sending circuit, crystal oscillator connect, and described signal receiving circuit, signal send
Circuit is connected with RX/TX duplexer, and described RX/TX duplexer is connected with antenna filter, described D.C. regulated power supply warp
The voltage crossing guard grating output processes through 7805 three terminal regulators again, described three terminal regulator and 7660 voltage changers
Connecting, described combustible gas sensor uses MC1403 power supply to be powered it, described MC1403 power supply by amplifier and
Audion and 7301 power supply voltage stabilizing chips connect, and described combustible gas sensor is connected with A/D converter by amplifier, described
7301 power supply voltage stabilizing chips are connected with AT89LS52 chip, and described A/D converter is connected with AT89LS52 chip, described
AT89LS52 chip is connected with ROK101007 bluetooth module by serial ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620621235.7U CN205679593U (en) | 2016-06-22 | 2016-06-22 | A kind of imflammable gas detector based on bluetooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620621235.7U CN205679593U (en) | 2016-06-22 | 2016-06-22 | A kind of imflammable gas detector based on bluetooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679593U true CN205679593U (en) | 2016-11-09 |
Family
ID=57430459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620621235.7U Expired - Fee Related CN205679593U (en) | 2016-06-22 | 2016-06-22 | A kind of imflammable gas detector based on bluetooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679593U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154639A (en) * | 2016-12-05 | 2018-06-12 | 天津银箭科技有限公司 | Novel radio combined type automatic fire alarm system |
| CN113267535A (en) * | 2021-07-21 | 2021-08-17 | 深圳盛方科技有限公司 | Intelligent gas identification method and device |
-
2016
- 2016-06-22 CN CN201620621235.7U patent/CN205679593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154639A (en) * | 2016-12-05 | 2018-06-12 | 天津银箭科技有限公司 | Novel radio combined type automatic fire alarm system |
| CN113267535A (en) * | 2021-07-21 | 2021-08-17 | 深圳盛方科技有限公司 | Intelligent gas identification method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20190622 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |