CN106290780A - A kind of Portable combustible gas detector and using method thereof - Google Patents
A kind of Portable combustible gas detector and using method thereof Download PDFInfo
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- CN106290780A CN106290780A CN201610911838.5A CN201610911838A CN106290780A CN 106290780 A CN106290780 A CN 106290780A CN 201610911838 A CN201610911838 A CN 201610911838A CN 106290780 A CN106290780 A CN 106290780A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 40
- 239000002737 fuel gas Substances 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2503—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques for measuring voltage only, e.g. digital volt meters (DVM's)
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Oil, Petroleum & Natural Gas (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A kind of Portable combustible gas detector, including intelligent terminal, expansion link and detection module, the top of described expansion link is provided with the module fixing rack for fixed test module, four angles of module fixing rack are provided with infrared sensor, described infrared sensor is connected with detection module, the bottom of described expansion link is provided with handle, it is provided above the clamped frame of the intelligent terminal for fixing intelligent terminal at handle, be provided with button in the lower section of handle fixed mount, described expansion link is formed by connecting by multiple connecting rods；Described detection module is connected with intelligent terminal；Present invention additionally comprises the using method of a kind of Portable combustible gas detector.The present invention can realize automatic telescopic, judge the function of fuel gas overfall.
Description
Technical field
The present invention relates to gas detection technology field, specifically a kind of Portable combustible gas detector and use thereof
Method.
Background technology
Gas is a kind of clean energy resource, is characterized in that calorific value is high, carbon emission amount is low.Portable combustible gas detector
For carrying out combustable gas concentration detection to producing, carry, using in the place of gas, prevent combustible gas leakage from causing
Accident.
Summary of the invention
It is an object of the invention to provide a kind of Portable combustible gas detector and using method thereof, be used for solving existing
Detector cannot multi-angle and random length detection problem.
The present invention solves its technical problem and is adopted the technical scheme that: a kind of Portable combustible gas detector, including
Intelligent terminal, expansion link and detection module, is characterized in that, is provided with for fixed test module at the top of described expansion link
Module fixing rack, is provided with infrared sensor, described infrared sensor and detection mould on four angles of module fixing rack
Block is connected, and the bottom of described expansion link is provided with handle, in the intelligence being provided above for fixing intelligent terminal of handle
Terminal fixed mount, is provided with button in the lower section of intelligent terminal's fixed mount, and described expansion link is formed by connecting by multiple connecting rods；
Described detection module is connected with intelligent terminal.
Further, described detection module include gas-detecting device, cell managing device, power supply change-over device, in
Control device, blue-tooth device, switching device, radio transmitting device and voltage check device；Described detection device, Power convert fill
Put, blue-tooth device, switching device, radio transmitting device are connected with control device respectively with voltage check device；Power management fills
The outfan put respectively with the input of power supply change-over device, the input of voltage check device and the input of gas-detecting device
End is connected.
Further, described control device include cc2541f256rhar singlechip chip circuit and by resistance r9,
Resistance r10, resistance r11, resistance r12, resistance r13, resistance r14, resistance r15, resistance r16, resistance r17, resistance r18, resistance
R27, electric capacity c3, electric capacity c4, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8, electric capacity c9, electric capacity c10, electric capacity c17, electric capacity c18,
Electric capacity c19, electric capacity c20, electric capacity c21, crystal oscillator jz1 and the peripheral circuit of crystal oscillator jz2 composition；
Described gas-detecting device includes that Detection Circuit, Detection Circuit include operational amplifier u4a, computing
Amplifier u4b, resistance r22, resistance r23, resistance r24, resistance r25, resistance r26, electric capacity c22, electric capacity c23 and combustible gas health check-up
Survey sensor cgq；No. 1 pin of described operational amplifier u4a respectively with one end and the 2 of operational amplifier u4a of resistance r11
Number pin is connected, and No. 3 pins of operational amplifier u4a are connected with one end of resistance r26 and one end of electric capacity c23 respectively, resistance
The other end of r26 is connected with one end of resistance r25 and one end of electric capacity c22 respectively, the other end of resistance r25 respectively with combustible gas
No. 2 pins of body detecting sensor cgq are connected with one end of resistance r24, the other end of resistance r24 respectively with operational amplifier
No. 7 pins of u4b and No. 6 pins are connected, No. 8 pins of operational amplifier u4b, No. 1 of combustible gas body detecting sensor cgq draw
Foot is connected with one end of resistance r22 and connects 5v voltage；No. 5 pins, the other end of resistance r22 and the resistance of operational amplifier u4b
One end of r23 is connected and is connected with one end of the resistance r17 of singlechip chip circuit；The other end of electric capacity c23, electric capacity c22
The other end, No. 4 pins of combustible gas body detecting sensor cgq, No. 3 pins, the operation amplifiers of combustible gas body detecting sensor cgq
No. 4 pins of device u4b are connected with the other end of resistance r23 and ground connection；
Described cell managing device includes battery management circuit, for powering, including BQ24041DSQT to detection device
Chip, USB-MINI interface, resistance r1, resistance r2, resistance r3, electric capacity c1 and electric capacity c2；The 1 of described BQ24041DSQT chip
Number pin is connected with No. 1 pin of USB-MINI interface and one end of electric capacity c1 respectively, No. 2 pins of BQ24041DSQT chip
Be connected with one end of resistance r1, No. 3 pins of BQ24041DSQT chip, the other end of resistance r1, the other end of electric capacity c1,
No. 5 pins of USB-MINI interface are connected with No. 4 pins of USB-MINI interface and ground connection；No. 5 pins of USB-MINI interface
Be connected with one end of resistance r2, the other end of resistance r2 respectively with one end, No. 10 pins of BQ24041DSQT chip of resistance r3
It is connected with one end of electric capacity c2；The other end of resistance r3 is connected with No. 8 pins of BQ24041DSQT chip, BQ24041DSQT core
No. 9 pins of sheet, No. 7 pins of BQ24041DSQT chip are connected with the other end of electric capacity c2 and ground connection；
Described power supply change-over device includes that power-switching circuit, power-switching circuit include tps61222dck chip, electricity
Sense l1, inductance l2 and potentiometer e1；No. 5 pins of described tps61222dck chip are connected with one end of inductance l1,
No. 1 pin of tps61222dck chip is connected with the other end of inductance l1 and the positive pole of potentiometer e1 and connects battery management respectively
One end of the electric capacity c2 of circuit；No. 4 pins of tps61222dck chip, No. 2 pins of tps61222dck chip and potentiometer
The positive pole of e2 is connected and exports 5v voltage；No. 3 of the negative pole of potentiometer e2, the negative pole of potentiometer e1 and tps61222dck chip
Pin is connected and ground connection；
Described blue-tooth device includes CONN_FTSH-105-01-L-DV Bluetooth chip, CONN_FTSH-105-01-L-DV
No. 1 pin ground connection of Bluetooth chip, No. 2 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and cc2541f256rhar
No. 39 pins of singlechip chip are connected, No. 3 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and singlechip chip electricity
One end of the resistance r10 on road is connected, No. 4 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and singlechip chip circuit
One end of resistance r9 be connected, No. 5 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the electricity of singlechip chip circuit
One end of resistance r15 is connected, No. 6 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance of singlechip chip circuit
One end of r16 is connected, No. 7 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance r18 of singlechip chip circuit
One end be connected, No. 8 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance r14's of singlechip chip circuit
One end is connected, No. 10 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the one of the resistance r13 of singlechip chip circuit
End is connected；
Described switching device includes that power switch circuit, power switch circuit include button s1 and resistance r4；Described press
One end of button s1 is connected with one end of the electric capacity c2 of battery management circuit, and the other end of button s1 is connected also with one end of resistance r4
It is connected with No. 5 pins of cc2541f256rhar singlechip chip, the other end ground connection of resistance r4；
Described radio transmitting device includes that wireless transmission circuit, wireless transmission circuit include inductance l2, inductance l3, inductance
L4, inductance l5, electric capacity c12, electric capacity c13, electric capacity c14, electric capacity c15 and antenna a3；One end of electric capacity c14 with
No. 25 pins of cc2541f256rhar singlechip chip are connected, one end of electric capacity c12 and cc2541f256rhar monolithic movement
No. 26 pins of sheet are connected, and the other end of electric capacity c14 is connected with one end of electric capacity c15 and one end of inductance l2 respectively, inductance l2
The other end be connected with one end of electric capacity c13 and ground connection, the other end of electric capacity c13 respectively with the other end and the inductance of electric capacity c12
One end of l3 is connected, and the other end of inductance l3 is connected with the other end of electric capacity c15 and one end of inductance l4 respectively, and inductance l4's is another
One end is connected with one end of inductance l5 and one end of electric capacity c16 respectively, the other end ground connection of electric capacity c16, the other end of inductance l5
It is connected with No. 1 interface of antenna a3, No. 2 interfacing ground of antenna a3；
Described voltage check device includes that voltage detecting circuit, voltage detecting circuit include resistance r28 and resistance r29,
One end of resistance r28 is connected with one end of the electric capacity c2 of battery management circuit, the other end of resistance r28 and one end of resistance r29
It is connected and is connected with one end of the resistance r12 of singlechip chip circuit, the other end ground connection of resistance r29.
Further, described button includes rising button, declining button, start-stop button, LR-button and on and off switch
Button.
Further, described module fixing rack is arranged on expansion link top, is connected with expansion link by rotary apparatus；Described
Rotary apparatus include 3/4ths sphere shells, spheroid, support bar, the first motor and angular transducer；Spheroid is arranged on ball
In body case, the bottom of sphere shell is connected with the welded top of expansion link, and spheroid is welded by support bar with module fixing rack
Connect；
The rotating shaft of described support bar and the first motor is connected, and is provided with angular transducer between spheroid and support bar；
The rotating shaft of described first motor is connected with LR-button, and described angular transducer is connected with detection device.
Further, the plurality of connecting rod is hollow form connecting rod, and it is recessed that the inner homogeneous in connecting rod is provided with rectangle
Groove, is provided with gear between the connecting rod that any two is adjacent, and described gear is meshed with rectangular recess；And, from top
The diameter of connecting rod to bottom increases successively；
Being provided with the second motor in bottom connecting rod, the rotating shaft of described second motor is connected with gear；Described second electricity
The power end of machine is connected with rising button, decline button and start-stop button respectively.
The using method of a kind of Portable combustible gas detector, utilizes a kind of Portable combustible gas detector, and it is special
Levy and be, specifically include following steps:
Step 1), by rise button make expansion link extend so that detection module arrive need detect place；
Step 2), infrared sensor on four angles of module fixing rack of detection module detect whether to be rebuffed, if be rebuffed,
Then transmitting a signal to detection module, detection module sends intelligent terminal to；
Step 3), by start-stop button stop expansion link elongation, detection module detection fuel gas；
Step 4), detection module testing result is sent to intelligent terminal by blue-tooth device；
Step 5), controlled rotary apparatus by LR-button on handle and rotate, thus control detection module and carry out
360 degree of rotations；
Step 6), by the rotation of detection module, intelligent terminal shows the concentration of the fuel gas of all directions, thus sentences
The overfall of disconnected fuel gas.
The invention has the beneficial effects as follows: a kind of Portable combustible gas detector of present invention offer and using method thereof,
The corner of module fixing rack is provided with infrared transmission means, for detecting whether be rebuffed, and testing result is sent to
Detection module, detection module is sent to intelligent terminal by bluetooth, thus controls whether detector moves on.
The rotary apparatus of the Portable combustible gas detector that the present invention uses uses chondritic, can carry out 360 degree of nothings
Dead angle rotates, and is controlled direction of rotation by button, by the concentration of all directions fuel gas, can determine whether out fuel gas
Overfall substantially in which direction so that staff makes repairing plan more efficiently.
The expansion link of the Portable combustible gas detector that the present invention uses uses automatic telescopic link, in the inside of connecting rod
Being provided with rectangular recess, gear and the second motor, the rotating of the second motor controls the rotating of gear, by rectangular recess and
The engaging each other thus control elongation and the contraction of expansion link of gear.
The detection module of the Portable combustible gas detector that the present invention uses can realize under-voltage detection, Power convert, indigo plant
The functions such as tooth transmission, simple in construction, feature richness.
Accompanying drawing explanation
Fig. 1 is the structural representation of detector of the present invention；
Fig. 2 is the module connection figure of detector detection module of the present invention；
Fig. 3 is detector singlechip chip circuit of the present invention and peripheral circuit diagram thereof；
Fig. 4 is detector Detection Circuit figure of the present invention；
Fig. 5 is detector battery management circuit figure of the present invention；
Fig. 6 is detector power-switching circuit figure of the present invention；
Fig. 7 is detector Bluetooth chip circuit diagram of the present invention；
Fig. 8 is detector power switch circuit figure of the present invention；
Fig. 9 is detector wireless transmission circuit figure of the present invention；
Figure 10 is detector voltage detecting circuit figure of the present invention；
Figure 11 is the structural representation of detector rotary apparatus of the present invention；
Figure 12 is the internal structure schematic diagram of detector expansion link of the present invention；
In figure: 1, connecting rod, 11, rectangular recess, 12, gear, 2,3/4ths sphere shells, 3, spheroid, 4, support bar,
5, angular transducer.
Detailed description of the invention
As it is shown in figure 1, a kind of Portable combustible gas detector, including intelligent terminal, expansion link and detection module, in institute
The top stating expansion link is provided with the module fixing rack for fixed test module, is respectively provided with on four angles of module fixing rack
There are infrared sensor, described infrared sensor to be connected with detection module, the bottom of described expansion link are provided with handle, at hands
Handle be provided above the clamped frame of the intelligent terminal for fixing intelligent terminal, the lower section of handle fixed mount is provided with button,
Described expansion link is formed by connecting by multiple connecting rods；Described detection module is connected with intelligent terminal.Button includes rising to be pressed
Button, decline button, start-stop button, LR-button and power switch button.
As in figure 2 it is shown, detection module includes gas-detecting device, cell managing device, power supply change-over device, middle control dress
Put, blue-tooth device, switching device, radio transmitting device and voltage check device；Detection device, power supply change-over device, bluetooth dress
Put, switching device, radio transmitting device are connected with control device respectively with voltage check device；The outfan of electric power controller
Input with the input of power supply change-over device, the input of voltage check device and gas-detecting device is connected respectively.
As it is shown on figure 3, control device includes cc2541f256rhar singlechip chip circuit and by resistance r9, resistance
R10, resistance r11, resistance r12, resistance r13, resistance r14, resistance r15, resistance r16, resistance r17, resistance r18, resistance r27,
Electric capacity c3, electric capacity c4, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8, electric capacity c9, electric capacity c10, electric capacity c17, electric capacity c18, electric capacity
C19, electric capacity c20, electric capacity c21, crystal oscillator jz1 and the peripheral circuit of crystal oscillator jz2 composition；
As shown in Figure 4, detection device includes that testing circuit, testing circuit include operational amplifier u4a, operational amplifier
U4b, resistance r22, resistance r23, resistance r24, resistance r25, resistance r26, electric capacity c22, electric capacity c23 and fuel gas detection sensing
Device cgq；No. 1 pin of described operational amplifier u4a respectively with one end and No. 2 pins of operational amplifier u4a of resistance r11
Being connected, No. 3 pins of operational amplifier u4a are connected with one end of resistance r26 and one end of electric capacity c23 respectively, and resistance r26's is another
One end is connected with one end of resistance r25 and one end of electric capacity c22 respectively, and the other end of resistance r25 detects with fuel gas respectively
No. 2 pins of sensor cgq are connected with one end of resistance r24, the other end of resistance r24 respectively with No. 7 of operational amplifier u4b
Pin and No. 6 pins are connected, No. 8 pins of operational amplifier u4b, No. 1 pin of combustible gas body detecting sensor cgq and resistance
One end of r22 is connected and connects 5v voltage；No. 5 pins, the other end of resistance r22 and one end of resistance r23 of operational amplifier u4b
It is connected and is connected with one end of the resistance r17 of singlechip chip circuit；The other end of electric capacity c23, the other end of electric capacity c22, can
No. 4 pins of combustion gas body detecting sensor cgq, No. 3 pins of combustible gas body detecting sensor cgq, the 4 of operational amplifier u4b
Number pin is connected with the other end of resistance r23 and ground connection.
As it is shown in figure 5, cell managing device includes battery management circuit, for powering to detection device, including
BQ24041DSQT chip, USB-MINI interface, resistance r1, resistance r2, resistance r3, electric capacity c1 and electric capacity c2；Described
No. 1 pin of BQ24041DSQT chip is connected with No. 1 pin of USB-MINI interface and one end of electric capacity c1 respectively,
No. 2 pins of BQ24041DSQT chip are connected with one end of resistance r1, No. 3 pins of BQ24041DSQT chip, resistance r1
The other end, the other end of electric capacity c1, No. 5 pins of USB-MINI interface are connected with No. 4 pins of USB-MINI interface and ground connection；
No. 5 pins of USB-MINI interface are connected with one end of resistance r2, the other end of resistance r2 respectively with one end of resistance r3,
No. 10 pins of BQ24041DSQT chip are connected with one end of electric capacity c2；The other end of resistance r3 and BQ24041DSQT chip
No. 8 pins are connected, No. 9 pins of BQ24041DSQT chip, No. 7 pins of BQ24041DSQT chip and the other end of electric capacity c2
It is connected and ground connection.
As shown in Figure 6, power supply change-over device includes that power-switching circuit, power-switching circuit include tps61222dck core
Sheet, inductance l1, inductance l2 and potentiometer e1；No. 5 pins of described tps61222dck chip are connected with one end of inductance l1,
No. 1 pin of tps61222dck chip is connected with the other end of inductance l1 and the positive pole of potentiometer e1 and connects battery management respectively
One end of the electric capacity c2 of circuit；No. 4 pins of tps61222dck chip, No. 2 pins of tps61222dck chip and potentiometer
The positive pole of e2 is connected and exports 5v voltage；No. 3 of the negative pole of potentiometer e2, the negative pole of potentiometer e1 and tps61222dck chip
Pin is connected and ground connection.
As it is shown in fig. 7, blue-tooth device includes CONN_FTSH-105-01-L-DV Bluetooth chip, CONN_FTSH-105-01-
No. 1 pin ground connection of L-DV Bluetooth chip, No. 2 pins of CONN_FTSH-105-01-L-DV Bluetooth chip with
No. 39 pins of cc2541f256rhar singlechip chip are connected, No. 3 pins of CONN_FTSH-105-01-L-DV Bluetooth chip
Be connected with one end of the resistance r10 of singlechip chip circuit, No. 4 pins of CONN_FTSH-105-01-L-DV Bluetooth chip with
One end of the resistance r9 of singlechip chip circuit is connected, No. 5 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and monolithic
One end of the resistance r15 of machine chip circuit is connected, No. 6 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and single-chip microcomputer
One end of the resistance r16 of chip circuit is connected, No. 7 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and monolithic movement
One end of the resistance r18 of sheet circuit is connected, No. 8 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and singlechip chip
One end of the resistance r14 of circuit is connected, No. 10 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and singlechip chip electricity
One end of the resistance r13 on road is connected.
As shown in Figure 8, switching device includes that power switch circuit, power switch circuit include button s1 and resistance r4；Institute
State one end of button s1 to be connected with one end of the electric capacity c2 of battery management circuit, one end phase of the other end of button s1 and resistance r4
Even and it is connected with No. 5 pins of cc2541f256rhar singlechip chip, the other end ground connection of resistance r4.
As it is shown in figure 9, radio transmitting device include wireless transmission circuit, wireless transmission circuit include inductance l2, inductance l3,
Inductance l4, inductance l5, electric capacity c12, electric capacity c13, electric capacity c14, electric capacity c15 and antenna a3；One end of electric capacity c14 with
No. 25 pins of cc2541f256rhar singlechip chip are connected, one end of electric capacity c12 and cc2541f256rhar monolithic movement
No. 26 pins of sheet are connected, and the other end of electric capacity c14 is connected with one end of electric capacity c15 and one end of inductance l2 respectively, inductance l2
The other end be connected with one end of electric capacity c13 and ground connection, the other end of electric capacity c13 respectively with the other end and the inductance of electric capacity c12
One end of l3 is connected, and the other end of inductance l3 is connected with the other end of electric capacity c15 and one end of inductance l4 respectively, and inductance l4's is another
One end is connected with one end of inductance l5 and one end of electric capacity c16 respectively, the other end ground connection of electric capacity c16, the other end of inductance l5
It is connected with No. 1 interface of antenna a3, No. 2 interfacing ground of antenna a3.
As shown in Figure 10, described voltage check device includes that voltage detecting circuit, voltage detecting circuit include resistance r28
With resistance r29, one end of resistance r28 is connected with one end of the electric capacity c2 of battery management circuit, the other end of resistance r28 and resistance
One end of r29 is connected and is connected with one end of the resistance r12 of singlechip chip circuit, the other end ground connection of resistance r29.
As shown in figure 11, module fixing rack is arranged on expansion link top, is connected with expansion link by rotary apparatus；Described
Rotary apparatus includes 3/4ths sphere shells 2, spheroid 3, support bar the 4, first motor and angular transducer 5；Spheroid is arranged on
In sphere shell, the bottom of sphere shell is connected with the welded top of expansion link, and spheroid is welded by support bar with module fixing rack
Connect in succession；
Connecting rod 1 is connected with the rotating shaft of the first motor, is provided with angular transducer 5 between spheroid 3 and support bar 4；The
The rotating shaft of one motor is connected with LR-button, and angular transducer is connected with detection device.
As shown in figure 12, multiple connecting rods 1 are hollow form connecting rod, and it is recessed that the inner homogeneous in connecting rod 1 is provided with rectangle
Groove 11, is provided with gear 12 between the connecting rod that any two is adjacent, and gear 12 is meshed with rectangular recess 11；And, from top
The diameter of the connecting rod of portion to bottom increases successively；
Being provided with the second motor in bottom connecting rod, the rotating shaft of described second motor is connected with gear；Described second electricity
The power end of machine is connected with rising button, decline button and start-stop button respectively.
The using method of a kind of Portable combustible gas detector, utilizes a kind of Portable combustible gas detector, specifically
Comprise the following steps:
Step 1), by rise button make expansion link extend so that detection module arrive need detect place；
Step 2), infrared sensor on four angles of module fixing rack of detection module detect whether to be rebuffed, if be rebuffed,
Then transmitting a signal to detection module, detection module sends intelligent terminal to；
Step 3), by start-stop button stop expansion link elongation, detection module detection fuel gas；
Step 4), detection module testing result is sent to intelligent terminal by blue-tooth device；
Step 5), controlled rotary apparatus by LR-button on handle and rotate, thus control detection module and carry out
360 degree of rotations；
Step 6), by the rotation of detection module, intelligent terminal shows the concentration of the fuel gas of all directions, thus sentences
The overfall of disconnected fuel gas.
The simple embodiment of the above-mentioned simply present invention, those skilled in that art are done under the principle not changing the present invention
Any change, the most within the scope of the present invention.
Claims (7)
1. a Portable combustible gas detector, including intelligent terminal, expansion link and detection module, is characterized in that, described
The top of expansion link is provided with the module fixing rack for fixed test module, is provided with on four angles of module fixing rack
Infrared sensor, described infrared sensor is connected with detection module, the bottom of described expansion link is provided with handle, at handle
The intelligent terminal's fixed mount being provided above for fixing intelligent terminal, be provided with in the lower section of intelligent terminal's fixed mount by
Button, described expansion link is formed by connecting by multiple connecting rods；Described detection module is connected with intelligent terminal.
A kind of Portable combustible gas detector the most according to claim 1, is characterized in that, described detection module includes
Gas-detecting device, cell managing device, power supply change-over device, control device, blue-tooth device, switching device, it is wirelessly transferred dress
Put and voltage check device；Described detection device, power supply change-over device, blue-tooth device, switching device, radio transmitting device and
Voltage check device is connected with control device respectively；The outfan of electric power controller respectively with the input of power supply change-over device
End, the input of voltage check device are connected with the input of gas-detecting device.
A kind of Portable combustible gas detector the most according to claim 2, is characterized in that,
Described control device includes cc2541f256rhar singlechip chip circuit and by resistance r9, resistance r10, resistance
R11, resistance r12, resistance r13, resistance r14, resistance r15, resistance r16, resistance r17, resistance r18, resistance r27, electric capacity c3, electricity
Hold c4, electric capacity c5, electric capacity c6, electric capacity c7, electric capacity c8, electric capacity c9, electric capacity c10, electric capacity c17, electric capacity c18, electric capacity c19, electric capacity
C20, electric capacity c21, crystal oscillator jz1 and the peripheral circuit of crystal oscillator jz2 composition；
Described gas-detecting device includes that Detection Circuit, Detection Circuit include operational amplifier u4a, operation amplifier
Device u4b, resistance r22, resistance r23, resistance r24, resistance r25, resistance r26, electric capacity c22, electric capacity c23 and fuel gas detection pass
Sensor cgq；No. 1 pin of described operational amplifier u4a draws with one end of resistance r11 and No. 2 of operational amplifier u4a respectively
Foot is connected, and No. 3 pins of operational amplifier u4a are connected with one end of resistance r26 and one end of electric capacity c23 respectively, resistance r26's
The other end is connected with one end of resistance r25 and one end of electric capacity c22 respectively, the other end of resistance r25 respectively with combustible gas health check-up
Survey sensor cgq No. 2 pins be connected with one end of resistance r24, the other end of resistance r24 respectively with the 7 of operational amplifier u4b
Number pin and No. 6 pins are connected, No. 8 pins of operational amplifier u4b, No. 1 pin of combustible gas body detecting sensor cgq and electricity
One end of resistance r22 is connected and connects 5v voltage；No. 5 pins, the other end of resistance r22 and the one of resistance r23 of operational amplifier u4b
End is connected and is connected with one end of the resistance r17 of singlechip chip circuit；The other end of electric capacity c23, the other end of electric capacity c22,
No. 4 pins of combustible gas body detecting sensor cgq, No. 3 pins of combustible gas body detecting sensor cgq, operational amplifier u4b
No. 4 pins are connected with the other end of resistance r23 and ground connection；
Described cell managing device includes battery management circuit, for powering, including BQ24041DSQT core to detection device
Sheet, USB-MINI interface, resistance r1, resistance r2, resistance r3, electric capacity c1 and electric capacity c2；No. 1 of described BQ24041DSQT chip
Pin is connected with No. 1 pin of USB-MINI interface and one end of electric capacity c1 respectively, No. 2 pins of BQ24041DSQT chip with
One end of resistance r1 is connected, No. 3 pins of BQ24041DSQT chip, the other end of resistance r1, the other end of electric capacity c1, USB-
No. 5 pins of MINI interface are connected with No. 4 pins of USB-MINI interface and ground connection；No. 5 pins of USB-MINI interface and electricity
Resistance r2 one end be connected, the other end of resistance r2 respectively with one end of resistance r3, No. 10 pins of BQ24041DSQT chip and electricity
The one end holding c2 is connected；The other end of resistance r3 is connected with No. 8 pins of BQ24041DSQT chip, BQ24041DSQT chip
No. 9 pins, No. 7 pins of BQ24041DSQT chip are connected with the other end of electric capacity c2 and ground connection；
Described power supply change-over device includes that power-switching circuit, power-switching circuit include tps61222dck chip, inductance
L1, inductance l2 and potentiometer e1；No. 5 pins of described tps61222dck chip are connected with one end of inductance l1,
No. 1 pin of tps61222dck chip is connected with the other end of inductance l1 and the positive pole of potentiometer e1 and connects battery management respectively
One end of the electric capacity c2 of circuit；No. 4 pins of tps61222dck chip, No. 2 pins of tps61222dck chip and potentiometer
The positive pole of e2 is connected and exports 5v voltage；No. 3 of the negative pole of potentiometer e2, the negative pole of potentiometer e1 and tps61222dck chip
Pin is connected and ground connection；
Described blue-tooth device includes CONN_FTSH-105-01-L-DV Bluetooth chip, CONN_FTSH-105-01-L-DV bluetooth
No. 1 pin ground connection of chip, No. 2 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and cc2541f256rhar monolithic
No. 39 pins of movement sheet are connected, No. 3 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and singlechip chip circuit
One end of resistance r10 is connected, No. 4 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the electricity of singlechip chip circuit
One end of resistance r9 is connected, No. 5 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance of singlechip chip circuit
One end of r15 is connected, No. 6 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance r16 of singlechip chip circuit
One end be connected, No. 7 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the resistance r18's of singlechip chip circuit
One end is connected, No. 8 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and the one of the resistance r14 of singlechip chip circuit
End is connected, No. 10 pins of CONN_FTSH-105-01-L-DV Bluetooth chip and one end of the resistance r13 of singlechip chip circuit
It is connected；
Described switching device includes that power switch circuit, power switch circuit include button s1 and resistance r4；Described button s1
One end be connected with one end of the electric capacity c2 of battery management circuit, the other end of button s1 be connected with one end of resistance r4 and with
No. 5 pins of cc2541f256rhar singlechip chip are connected, the other end ground connection of resistance r4；
Described radio transmitting device include wireless transmission circuit, wireless transmission circuit include inductance l2, inductance l3, inductance l4,
Inductance l5, electric capacity c12, electric capacity c13, electric capacity c14, electric capacity c15 and antenna a3；One end of electric capacity c14 and cc2541f256rhar
No. 25 pins of singlechip chip are connected, No. 26 pin phases of one end of electric capacity c12 and cc2541f256rhar singlechip chip
Even, the other end of electric capacity c14 is connected with one end of electric capacity c15 and one end of inductance l2 respectively, the other end of inductance l2 and electric capacity
One end of c13 is connected and ground connection, and the other end of electric capacity c13 is connected with the other end of electric capacity c12 and one end of inductance l3 respectively, electricity
Sense l3 the other end be connected with the other end of electric capacity c15 and one end of inductance l4 respectively, the other end of inductance l4 respectively with inductance
One end of l5 is connected with one end of electric capacity c16, the other end ground connection of electric capacity c16, and No. 1 of the other end of inductance l5 and antenna a3 connects
Mouth is connected, No. 2 interfacing ground of antenna a3；
Described voltage check device includes that voltage detecting circuit, voltage detecting circuit include resistance r28 and resistance r29, resistance
One end of r28 is connected with one end of the electric capacity c2 of battery management circuit, and the other end of resistance r28 is connected with one end of resistance r29
And be connected with one end of the resistance r12 of singlechip chip circuit, the other end ground connection of resistance r29.
A kind of Portable combustible gas detector the most according to claim 1, is characterized in that, described button includes rising
Button, decline button, start-stop button, LR-button and power switch button.
A kind of Portable combustible gas detector the most according to claim 1, is characterized in that, described module fixing rack is arranged
At expansion link top, it is connected with expansion link by rotary apparatus；Described rotary apparatus includes 3/4ths sphere shells, ball
Body, support bar, the first motor and angular transducer；Spheroid is arranged in sphere shell, the bottom of sphere shell and expansion link
Welded top connects, and spheroid is welded to connect by support bar with module fixing rack；
The rotating shaft of described support bar and the first motor is connected, and is provided with angular transducer between spheroid and support bar；Described
The rotating shaft of the first motor is connected with LR-button, and described angular transducer is connected with detection device.
A kind of Portable combustible gas detector the most according to claim 1, is characterized in that, during the plurality of connecting rod is
Empty shape connecting rod, the inner homogeneous in connecting rod is provided with rectangular recess, is provided with between the connecting rod that any two is adjacent
Gear, described gear is meshed with rectangular recess；And, the diameter from top to the connecting rod of bottom increases successively；
Being provided with the second motor in bottom connecting rod, the rotating shaft of described second motor is connected with gear；Described second motor
Power end is connected with rising button, decline button and start-stop button respectively.
7. a using method for Portable combustible gas detector, utilizes a kind of Portable combustible gas detector, its feature
It is to specifically include following steps:
Step 1), by rise button make expansion link extend so that detection module arrive need detect place；
Step 2), infrared sensor on four angles of module fixing rack of detection module detect whether to be rebuffed, if be rebuffed, then will
Signal sends detection module to, and detection module sends intelligent terminal to；
Step 3), by start-stop button stop expansion link elongation, detection module detection fuel gas；
Step 4), detection module testing result is sent to intelligent terminal by blue-tooth device；
Step 5), controlled rotary apparatus by LR-button on handle and rotate, thus control detection module and carry out 360 degree
Rotate；
Step 6), by the rotation of detection module, intelligent terminal shows the concentration of the fuel gas of all directions, thus judge can
The overfall of combustion gas body.
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| CN107271611A (en) * | 2017-06-23 | 2017-10-20 | 天府认证有限公司 | The Handheld formaldehyde detector used at a distance |
| CN109870478A (en) * | 2019-03-13 | 2019-06-11 | 常州大学 | A kind of non-destructive testing equipment of removable nanometer formula gas concentration field |
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| CN201203593Y (en) * | 2008-02-04 | 2009-03-04 | 南通斯兰工贸有限公司 | Instrument for measuring combustible gas concentration |
| CN201449387U (en) * | 2009-04-30 | 2010-05-05 | 薛亚明 | Combustible gas detection instrument |
| CN201917520U (en) * | 2010-12-28 | 2011-08-03 | 胜利油田三力石油技术开发有限公司 | Optical fiber monitoring device for concentration of combustible gas |
| CN102012049B (en) * | 2011-01-06 | 2015-12-02 | 谢国华 | A kind of gas-cooker with knob embedding gradual fire power adjustor |
| CN202871034U (en) * | 2012-09-26 | 2013-04-10 | 天津市金凤凌云科技有限公司 | Combustible gas monitor |
| CN202854088U (en) * | 2012-10-11 | 2013-04-03 | 长安大学 | Wireless toxic gas detection device |
| CN103235009B (en) * | 2013-05-09 | 2016-03-30 | 济南市长清计算机应用公司 | A kind of using method of Portable combustible gas detector |
| CN204228683U (en) * | 2014-09-16 | 2015-03-25 | 山东省射频识别应用工程技术研究中心有限公司 | Gas sensing detects RFID Intellisense terminal |
| CN104933834A (en) * | 2015-06-09 | 2015-09-23 | 苏州市华安普电力工程有限公司 | Practical combustible gas detector |
| CN204833619U (en) * | 2015-06-09 | 2015-12-02 | 苏州市华安普电力工程有限公司 | Practical combustible gas detector |
| CN204719061U (en) * | 2015-06-25 | 2015-10-21 | 汇宇兴科技（天津）有限公司 | A kind of Novel flue gas autoanalyzer |
| CN205333608U (en) * | 2016-01-21 | 2016-06-22 | 济南市长清计算机应用公司 | Portable flammable gas detector |
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| CN205333558U (en) * | 2016-01-21 | 2016-06-22 | 济南市长清计算机应用公司 | Portable flammable gas detector |
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| CN107271611A (en) * | 2017-06-23 | 2017-10-20 | 天府认证有限公司 | The Handheld formaldehyde detector used at a distance |
| CN109870478A (en) * | 2019-03-13 | 2019-06-11 | 常州大学 | A kind of non-destructive testing equipment of removable nanometer formula gas concentration field |
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