CN107167835A - A kind of wireless micro- probe and its method of work of shaking for audio life detection instrument - Google Patents
A kind of wireless micro- probe and its method of work of shaking for audio life detection instrument Download PDFInfo
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- CN107167835A CN107167835A CN201710357701.4A CN201710357701A CN107167835A CN 107167835 A CN107167835 A CN 107167835A CN 201710357701 A CN201710357701 A CN 201710357701A CN 107167835 A CN107167835 A CN 107167835A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
Abstract
The invention discloses a kind of wireless micro- probe that shakes for audio life detection instrument, including housing, battery, micro- vibration sensor, power panel, surface-mounted integrated circuit, electromagnet sucker, asynchronous machine, Induction Machine Driver Based, steering wheel, telescopic outrigger and universal driving wheel, it is divided into main chamber and concubine in housing, separation frame is provided with main chamber, Induction Machine Driver Based and asynchronous machine are located at the top of separation frame, battery, micro- vibration sensor, power panel and surface-mounted integrated circuit are located at below separation frame from right to left, electromagnet sucker is connected to the chassis position of housing, universal driving wheel is located at the surrounding of electromagnet sucker, the main shaft of steering wheel is connected with the rotating shaft of universal driving wheel, telescopic outrigger is connected to the top of universal driving wheel, the top of telescopic outrigger is connected with Induction Machine Driver Based and asynchronous machine, support bar is provided with concubine.In a word, the present invention is reasonable in design, practical, and adaptive capacity to environment is high and performance is stable.
Description
Technical field
The present invention relates to security protection rescue field, and in particular to it is a kind of for audio life detection instrument it is wireless it is micro- shake probe and
Its method of work.
Background technology
In geological disaster, mine accident in advance rescue operations, it is one very main to be searched under ruins, save captive
Wanting for task.Trapped personnel is in ruins depths in many cases, and rescue personnel can not reach, and can only take large area removal of demolition waste
Mode little by little downwards search and rescue, due to captive can not be positioned in advance, thus rescue excavation direction it is not strong, efficiency is low, indulges in
Miss optimal rescue time.
Audio life detection instrument, be mainly used in the ruins such as collapsed building and human body unapproachable some are narrow
Trapped personnel is searched and positioned around gap, is popped one's head in by vibrating sensor, can be accurately identified the sound from survivor and such as exhale
Cry out, pat, delineate or tap, great function has been played in the application of looking for survivors after earthquake disaster.
Existing audio life detection instrument is commonly equipped with 2-6 wired vibration probes, and wired probe is due to interface quantity
Limitation, is difficult extension；General 10 meters or so of the length of cable of each wired probe, and the investigative range of limiting device significantly, and
If cable lengthen if to cause loss of signal excessive and cable weight also will increase；In addition, wired vibration probe cable
Numerous and diverse, portability and mobility are all poor, are not easy to use in the expansion of some complex environments.
Therefore, in view of the above-mentioned problems, needing a kind of wireless micro- probe that shakes of Portable high-efficiency, the probe can be readily able to expand
Exhibition, concurrent collaborative work that can be reliable and stable, compact is easy to movement, the work under various complex environments that can be well
Make.
The content of the invention
Extension is difficult present invention mainly solves general wired vibration probe, working range is small, adaptive capacity to environment and portable
The technical problems such as property difference.
For above technical problem, the present invention provides a kind of wireless micro- probe and its work of shaking for audio life detection instrument
Make method.
The technical scheme is that：A kind of wireless micro- probe that shakes for audio life detection instrument, including housing, electricity
It is pond, micro- vibration sensor, power panel, surface-mounted integrated circuit, electromagnet sucker, asynchronous machine, Induction Machine Driver Based, steering wheel, flexible
Supporting leg and universal driving wheel, the housing are spherical structure, and enclosure interior is divided into main chamber and concubine, and the main chamber is located in housing
Portion middle position, the concubine totally three is located at the front and back of main chamber in del respectively, and main compartment is fixed with separation
Frame, micro- vibration sensor is located at the separation frame bottom center position, and the battery is located at the right side of micro- vibration sensor, described
Power panel is located at the left side of micro- vibration sensor, and the surface-mounted integrated circuit is connected to the left side of power panel, and surface-mounted integrated circuit includes MCU
Main control module, advance data process circuit, low noise operational amplification circuit and wifi communication modules, the electromagnet sucker are connected to
The chassis position of housing, the universal driving wheel totally three is located at the surrounding of electromagnet sucker, the rudder in equilateral triangle respectively
Machine is located at the inner side of universal driving wheel horizontal direction, and the output shaft of steering wheel is connected with the rotating shaft of respective corresponding universal driving wheel
Connect, the telescopic outrigger is fixedly connected on the top of universal driving wheel, the top of telescopic outrigger with it is each self-corresponding described asynchronous
Motor driver is connected, and the asynchronous machine is connected with each self-corresponding Induction Machine Driver Based, Induction Machine Driver Based and different
Step motor, which is fixed in the top of separation frame, concubine, is provided with support bar, and the top center position of housing is provided with lanyard hole, described
One side of lanyard hole is provided with external antenna, and the external antenna is connected through housing and separation frame with surface-mounted integrated circuit, housing
Right side wall is provided with charge port close to the direction of battery, and the right and left of the charge port is respectively equipped with power switch and electromagnet is inhaled
Disk is switched, and the periphery of housing is provided with 4-6 infrared ray sensor being spacedly distributed.
Further, the electromagnet sucker includes coil, iron core and conductor casing, and the iron core is hollow cylinder,
Iron core is connected to the longitudinal central position of the conductor casing, and the coil is wrapped on iron core, and the number of turn of coil is 50-250
Circle, conductor casing is collar plate shape structure, and the edge of conductor casing is provided with three gap slots, the gap slot and the steering wheel one
One correspondence, the center of conductor casing is provided with thread groove, and electromagnet sucker only need to open electromagnet on magnetic media surface
Sucker is allowed to be powered, you can magnetic absorption is carried out, compared to traditional independent magnet, using more convenient.
Further, the inside of the universal driving wheel is embedded with miniature micro- vibration sensor, and universal driving wheel is in contraction state
When bottom it is concordant with the electromagnet sucker, universal driving wheel is realized flexible by telescopic outrigger, and electricity can be kept in contraction state
Magnet sucking disc is at utmost contacted with medium side, in order to extract micro- information of shaking, and micro- probe office of shaking can be then driven in extended configuration
Portion is moved, and preliminary to look for optimum signal by miniature micro- vibration sensor.
Further, the support bar is made up of the first pole and the second pole, and one end of first pole, which is rotated, to be connected
Concubine b lower bottom part is connected on, second pole is connected by self-locking movable connector with the other end of the first pole, second
The end of pole is tip-like, and activity is coated with sucker, can penetrate media interior or use with needle point on non-horizontal medium side
Sucker suction dielectric surface, micropin probe is fixed with this.
Further, wireless micro- probe that shakes is additionally provided with probe, and the probe is divided into female pin and sub- pin, female pin
Quantity is one, the quantity of the sub- pin for-it is individual, the length of female pin and sub- pin is 10- 20cm, a diameter of 0.8-1.5cm,
The upper end of female pin is flexibly connected with the thread groove, and the upper end of the lower end of female pin and sub- pin is connected through a screw thread, and probe one is can
For fixing micro- probe that shakes, two be that can strengthen the signal intensity of detection, and male/female needle can be attached according to actual conditions, real
More strengthened with property.
Further, the concubine b is additionally provided with type of push and pull up down cover plate, and the cover plate is connected with the housing by slide rail
Connect, support bar can be fixed in concubine, space is more saved in the design of type of push and pull up down cover plate in addition, beneficial to the tune of support bar
It is whole.
Further, GPS or Big Dipper positioning chip are also embedded with the surface-mounted integrated circuit, when an equipment is connecting multiple
It is micro- shake probe when, can play and be set to the particular geographic location for being rescued personnel, be easy to sue and labour, and can help to reclaim micro- probe that shakes,
Prevent from losing.
Further, micro- vibration sensor is the micro- vibration sensor of high-resolution that voltage output sensitivity is 500mV/g,
Sensitivity is higher, and the accuracy rate of detection is then higher.
Further, the main control module is based on ARMCortex-M3 and with 72MHzCPU speed and 1MB flash memories
32 8-digit microcontrollers.
A kind of method of work of wireless micro- probe that shakes for audio life detection instrument, comprises the following steps：
Step 1：Selected to lay the suitable method of wireless micro- probe that shakes according to actual conditions, it is soft in level or slope
It is close to or coordinate the probe to insert dielectric surface wireless micro- probe that shakes on ground；On non-level magnetic media surface,
The power switch and electromagnet sucker switch are opened simultaneously so that electromagnet sucker is powered and produces magnetic, so as to adsorb
Magnetic media surface carrys out the micro- probe that shakes of fixed wireless；On non-level non-magnetic media surface, pass through the support bar end
The micro- probe that shakes of fixed wireless is carried out on insertion or sucker suction non-magnetic media surface；
Step 2：The power switch is opened, is connected by the external antenna and wifi communication modules with host terminal
Connect and communicate, be connected, assigned by main frame after instruction with host terminal automatic identification and setting up after wireless micro- probe startup self-detection of shaking,
This is wireless, and micro- probe that shakes enters data acquisition scheme；
Step 3：Micro- vibration sensor is collected to micro- signal that shakes of medium, the low noise operational amplification circuit is sent to and enters
Row enhanced processing；
Step 4：Signal after enhanced processing enters the advance data process circuit, and digital sample is carried out to analog signal
Quantify and filtering process；
Step 5：Data signal after processing is sent to the main control module, main control module is judged the signal of feeding
And check code is added, and data are sent to the progress data transmission of wifi communication modules in the case where listening to channel idle,
It was found that stopping sending data during channel block and continuing to intercept channel.
Compared with prior art, beneficial effects of the present invention are：The present invention's is used for the wireless micro- of audio life detection instrument
The probe that shakes has advantages below：1st, the autgmentability that audio life door detects instrument probe is substantially increased, at most expansible 255 wireless
Probe.2nd, the constraint of cable has been broken away from, the portability and mobility of equipment has been enhanced, improves the efficiency of detection.3rd, improve
The operating distance of audio life detection instrument, work that can be reliable and stable within 100 meters.4th, medium surface is suitable for,
Wherein, electromagnet sucker only need to open electromagnet sucker on magnetic media surface and be allowed to be powered, you can carry out magnetic absorption, phase
Compared with traditional independent magnet, using more convenient；Universal driving wheel is realized by telescopic outrigger to be stretched, in contraction state
Electromagnet sucker can be kept at utmost to be contacted with medium side, in order to extract micro- information of shaking, can then be driven in extended configuration micro-
Shake probe local motion, and it is preliminary to look for optimum signal by miniature micro- vibration sensor；Support bar is on non-horizontal medium side
Media interior can be penetrated with needle point or sucker suction dielectric surface is used, micropin probe is fixed with this.In a word, present invention design is closed
Reason, practical, adaptive capacity to environment is high and performance is stable.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the upward view of the present invention；
Fig. 4 is the right view of the present invention；
Fig. 5 is the structural representation of the probe of invention；
Fig. 6 is the internal relations schematic diagram of the surface-mounted integrated circuit of the present invention；
Fig. 7 is the fundamental diagram of the present invention.
Wherein, 1- housings, 1a- main chambers, 1b- concubines, 2- batteries, the micro- vibration sensors of 3-, 4- power panels, 5- integrated circuits
Plate, 51-MCU main control modules, 52- advance datas process circuit, 53- low noises operational amplification circuit, 54-wifi communication modules, 55-
GPS or Big Dipper positioning chip, 6- electromagnet sucker, 61- coils, 62- iron cores, 63- conductor casings, 631- gap slots, 632- spiral shells
Groove, 7- asynchronous machines, 8- Induction Machine Driver Baseds, 9- steering wheels, 10- telescopic outriggers, the universal driving wheels of 11-, 111- are miniature micro-
Vibration sensor, 12- separation frames, 13- support bars, the poles of 131- first, the poles of 132- second, 133- self-locking movables connector,
134- suckers, 14- lanyard holes, 15- external antennas, 16- charge ports, 17- power switches, 18- electromagnet sucker, 19- are infrared
The female pin of line sensor, 20- probes, 201-, the sub- pins of 202-, 21- cover plates.
Embodiment
The present invention is further described in detail with reference to specific example in real time：
As Figure 1-4, a kind of wireless micro- probe that shakes for audio life detection instrument, including housing 1, battery 2, micro- shake
It is sensor 3, power panel 4, surface-mounted integrated circuit 5, electromagnet sucker 6, asynchronous machine 7, Induction Machine Driver Based 8, steering wheel 9, flexible
Supporting leg 10 and universal driving wheel 11, housing 1 are to be divided into main chamber 1a and concubine 1b inside spherical structure, housing 1, and main chamber 1a is located at shell
The center of inside position of body 1, concubine 1b totally three, as shown in figure 1, concubine 1b is additionally provided with type of push and pull up down cover plate 21, cover plate 21 with
Housing 1 is connected by slide rail, and support bar can be fixed in concubine, and sky is more saved in the design of type of push and pull up down cover plate in addition
Between, beneficial to the adjustment of support bar.It is located at respectively in del inside main chamber 1a front and back, main chamber 1a and is fixed with separation frame
12, micro- vibration sensor 3 is located at the bottom center position of separation frame 12, wherein, micro- vibration sensor 3 is that voltage output sensitivity is
The 500mV/g micro- vibration sensor of high-resolution, sensitivity is higher, and the accuracy rate of detection is then higher.Battery 2 is located at micro- vibration sensor
3 right side, power panel 4 is located at the left side of micro- vibration sensor 3, and surface-mounted integrated circuit 5 is connected to the left side of power panel 4, integrated circuit
Plate 5 includes MCU main control modules 51, advance data process circuit 52, low noise operational amplification circuit 53 and wifi communication modules 54,
Wherein, main control module 51 is 32 8-digit microcontrollers based on ARMCortex-M3 and with 72MHzCPU speed and 1MB flash memories.Such as
GPS or Big Dipper positioning chip 55 are also embedded with shown in Fig. 6, on surface-mounted integrated circuit 5, when an equipment is connecting multiple micro- probes that shake
When, it can play and be set to the particular geographic location for being rescued personnel, be easy to sue and labour, and can help to reclaim micro- probe that shakes, prevent from losing.
Electromagnet sucker 6 is connected to the chassis position of housing 1, wherein, electromagnet sucker 6 includes coil 61, iron core 62 and conductor casing
63, iron core 62 is hollow cylinder, and iron core 62 is connected to the longitudinal central position of conductor casing 63, and coil 61 is wrapped in iron core 62
On, the number of turn of coil 61 is 200 circles, and conductor casing 63 is collar plate shape structure, and the edge of conductor casing 63 is provided with three breach
Groove 631, gap slot 631 is corresponded with steering wheel 9, and the center of conductor casing 63 is provided with thread groove 632, electromagnet sucker
Only it need to open electromagnet sucker on magnetic media surface and be allowed to be powered, you can carry out magnetic absorption, it is independent compared to traditional
Magnet, using more convenient.Universal driving wheel 11 totally three, is located at the surrounding of electromagnet sucker 6 in equilateral triangle respectively,
As shown in Fig. 3, the inside of universal driving wheel 11 is embedded with miniature micro- vibration sensor 111, and universal driving wheel 11 is at the bottom of in contraction state
Portion is concordant with electromagnet sucker 6, and universal driving wheel is realized by telescopic outrigger to be stretched, and electromagnet sucker can be kept in contraction state
At utmost contacted with medium side, in order to extract micro- information of shaking, micro- probe local motion of shaking can be then driven in extended configuration, and
It is preliminary and preliminary to look for optimum signal by miniature micro- vibration sensor by miniature micro- vibration sensor.Steering wheel 9 is located at universal drive
The inner side of the horizontal direction of driving wheel 11, the output shaft of steering wheel 9 is connected with the rotating shaft of respective corresponding universal driving wheel 11, stretches
Contracting supporting leg 10 is fixedly connected on the top of universal driving wheel 11, the top of telescopic outrigger 10 and each self-corresponding Induction Motor-Driven
Device 8 is connected, and asynchronous machine 7 is connected with each self-corresponding Induction Machine Driver Based 8, Induction Machine Driver Based 8 and asynchronous machine 7
It is fixed in the top of separation frame 12, concubine 1b and is provided with support bar 13, as shown in Figure 1-2, support bar 13 is by the He of the first pole 131
Second pole 132 is constituted, and one end of the first pole 131 is rotatably connected on concubine 1b lower bottom part, and the second pole 132 passes through self-locking
Formula active connection 133 is connected with the other end of the first pole 131, and the end of the second pole 132 is tip-like, and activity is worn
Sucker 134 is cased with, media interior can be penetrated with needle point on non-horizontal medium side or sucker suction dielectric surface is used, fixed with this
Micropin is popped one's head in.The top center position of housing 1 is provided with lanyard hole 14, and one side of lanyard hole 14 is provided with external antenna 15, external
Antenna 15 is connected through housing 1 and separation frame 12 with surface-mounted integrated circuit 5, and the right side wall of housing 1 is provided with close to the direction of battery 2 to be filled
Power port 16, the right and left of charge port 16 is respectively equipped with power switch 17 and electromagnet sucker 18 is switched, the periphery of housing 1
Provided with 6 infrared ray sensors 19 being spacedly distributed.As shown in figure 5, wireless micro- probe that shakes is additionally provided with probe 20, probe is divided into
Female pin 201 and sub- pin 202, the quantity of female pin 201 is one, and the quantity of sub- pin 202 is 1-10, female pin 201 and sub- pin 202
Length be 15cm, a diameter of 1.5cm, the upper end of female pin 201 is flexibly connected with thread groove 632, the lower end of female pin 201 and son
The upper end of pin 202 is connected through a screw thread, and probe one is to can be used to fix micro- probe that shakes, and two be that can strengthen the signal intensity of detection,
And male/female needle can be attached according to actual conditions, and practicality is more strengthened.
A kind of method of work of wireless micro- probe that shakes for audio life detection instrument, comprises the following steps：
Step 1：Selected to lay the suitable method of wireless micro- probe that shakes according to actual conditions, in level or slope soft ground
On be close to or coordinate probe 20 to insert dielectric surface wireless micro- probe that shakes；On non-level magnetic media surface, beat simultaneously
Switch power supply switch 17 and electromagnet sucker switch 18 so that electromagnet sucker is powered and produces magnetic, is situated between so as to adsorb in magnetic
The micro- probe that shakes of fixed wireless is carried out on matter surface；On non-level non-magnetic media surface, inserted by support bar end or sucker
The micro- probe that shakes of fixed wireless is carried out on absorption non-magnetic media surface；
Step 2：17 are turned on the power switch, is attached by external antenna 15 and wifi communication modules 54 with host terminal
And communication, be connected, assigned by main frame after instruction with host terminal automatic identification and setting up after wireless micro- probe startup self-detection of shaking, this
Wireless micro- probe that shakes enters data acquisition scheme；
Step 3：Micro- vibration sensor is collected to micro- signal that shakes of medium, low noise operational amplification circuit 53 is sent to and is put
Big processing；
Step 4：Signal after enhanced processing enters advance data process circuit 52, and digital sample amount is carried out to analog signal
Change and filtering process；
Step 5：Data signal after processing is sent to main control module 51, the signal of 51 pairs of feedings of main control module judges
And check code is added, and data are sent to wifi communication modules 54 in the case where listening to channel idle carry out data transmission,
Stop sending data when finding channel block and continue to intercept channel.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in previous embodiment, or equivalent substitution is carried out to which part technical characteristic；And
These modifications are replaced, and the essence of appropriate technical solution is departed from the spirit and model of technical scheme of the embodiment of the present invention
Enclose.
Claims (10)
1. a kind of wireless micro- probe that shakes for audio life detection instrument, it is characterised in that including housing (1), battery (2), micro-
Vibration sensor (3), power panel (4), surface-mounted integrated circuit (5), electromagnet sucker (6), asynchronous machine (7), Induction Machine Driver Based
(8), steering wheel (9), telescopic outrigger (10) and universal driving wheel (11), the housing (1) are spherical structure, housing (1) interior part
For main chamber (1a) and concubine (1b), the main chamber (1a) is located at housing (1) center of inside position, the concubine (1b) totally three,
It is located at the front and back of main chamber (1a) in del respectively, separation frame (12), micro- sensing of shaking is fixed with inside main chamber (1a)
Device (3) is located at the separation frame (12) bottom center position, and the battery (2) is located at the right side of micro- vibration sensor (3), the electricity
Source plate (4) is located at the left side of micro- vibration sensor (3), and the surface-mounted integrated circuit (5) is connected to the left side of power panel (4), integrated electricity
It is logical that road plate (5) includes MCU main control modules (51), advance data process circuit (52), low noise operational amplification circuit (53) and wifi
Believe module (54), the electromagnet sucker (6) is connected to the chassis position of housing (1), the universal driving wheel (11) totally three,
It is located at the surrounding of electromagnet sucker (6) in equilateral triangle respectively, the steering wheel (9) is located at universal driving wheel (11) horizontal direction
Inner side, the output shaft of steering wheel (9) is connected with the rotating shaft of respective corresponding universal driving wheel (11), the telescopic outrigger (10)
It is fixedly connected on the top of universal driving wheel (11), the top of telescopic outrigger (10) and each self-corresponding Induction Motor-Driven
Device (8) is connected, and the asynchronous machine (7) is connected with each self-corresponding Induction Machine Driver Based (8), Induction Machine Driver Based (8)
It is fixed on asynchronous machine (7) in the top of separation frame (12), concubine (1b) and is provided with support bar (13), the top of housing (1)
Middle position is provided with lanyard hole (14), and one side of the lanyard hole (14) is provided with external antenna (15), the external antenna (15)
It is connected through housing (1) and separation frame (12) with surface-mounted integrated circuit (5), the right side wall of housing (1) is set close to the direction of battery (2)
There is charge port (16), the right and left of the charge port (16) is respectively equipped with power switch (17) and electromagnet sucker (18) is opened
Close, the periphery of housing (1) is provided with the 4-6 infrared ray sensor (19) being spacedly distributed.
2. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that the electricity
Magnet sucking disc (6) includes coil (61), iron core (62) and conductor casing (63), and the iron core (62) is hollow cylinder, iron core
(62) the longitudinal central position of the conductor casing (63) is connected to, the coil (61) is wrapped on iron core (62), coil
(61) the number of turn is 50-250 circles, and conductor casing (63) is collar plate shape structure, and the edge of conductor casing (63) lacks provided with three
Mouth groove (631), the gap slot (631) corresponds with the steering wheel (9), and the center of conductor casing (63) is provided with screw thread
Groove (632).
3. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that described ten thousand
Miniature micro- vibration sensor (111), universal driving wheel (11) bottom and institute in contraction state are embedded with to the inside of driving wheel (11)
State electromagnet sucker (6) concordant.
4. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that the nothing
The micro- probe that shakes of line is additionally provided with probe (20), and the probe is divided into female pin (201) and sub- pin (202), the quantity of female pin (201)
For one, the quantity of the sub- pin (202) is 1-10, and the length of female pin (201) and sub- pin (202) is 10-20cm, diameter
For 0.8-1.5cm, the upper end of female pin (201) is flexibly connected with the thread groove (632), the lower end of female pin (201) and sub- pin
(202) upper end is connected through a screw thread.
5. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that the pair
Room (1b) is additionally provided with type of push and pull up down cover plate (21), and the cover plate (21) is connected with the housing (1) by slide rail.
6. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that the collection
GPS or Big Dipper positioning chip (55) are also embedded with into circuit board (5).
7. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that described micro-
Vibration sensor (3) is the micro- vibration sensor of high-resolution that voltage output sensitivity is 500mV/g.
8. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that described micro-
Vibration sensor (3) is the micro- vibration sensor of high-resolution that voltage output sensitivity is 450mV/g.
9. a kind of wireless micro- probe that shakes for audio life detection instrument as claimed in claim 1, it is characterised in that the master
Control module (51) is 32 8-digit microcontrollers based on ARMCortex-M3 and with 72MHzCPU speed and 1MB flash memories.
10. a kind of work of wireless micro- probe that shakes for audio life detection instrument as described in claim 1-9 any one
Method, it is characterised in that comprise the following steps：
Step 1：Selected to lay the suitable method of wireless micro- probe that shakes according to actual conditions, in level or slope soft ground
On be close to or coordinate the probe (20) to insert dielectric surface wireless micro- probe that shakes；On non-level magnetic media surface,
The power switch (17) and electromagnet sucker switch (18) are opened simultaneously so that electromagnet sucker is powered and produces magnetic, from
And adsorb and carry out the micro- probe that shakes of fixed wireless in magnetic media surface；On non-level non-magnetic media surface, pass through the branch
Strut end is inserted or the micro- probe that shakes of fixed wireless is carried out on sucker suction non-magnetic media surface；
Step 2：The power switch (17) is opened, it is whole by the external antenna (15) and wifi communication modules (54) and main frame
End is attached and communicated, and is connected after wireless micro- probe startup self-detection of shaking with host terminal automatic identification and setting up, under main frame
Up to after instruction, this is wireless, and micro- probe that shakes enters data acquisition scheme；
Step 3：Micro- vibration sensor is collected to micro- signal that shakes of medium, the low noise operational amplification circuit (53) is sent to and enters
Row enhanced processing；
Step 4：Signal after enhanced processing enters the advance data process circuit (52), and digital sample is carried out to analog signal
Quantify and filtering process；
Step 5：Data signal after processing is sent to the main control module (51), main control module (51) is carried out to the signal of feeding
Judge and add check code, and data are sent to wifi communication modules (54) progress data in the case where listening to channel idle
Send, stop sending data when finding channel block and continue to intercept channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357701.4A CN107167835B (en) | 2017-05-19 | 2017-05-19 | A kind of wireless micro- vibration probe and its working method for audio life detection instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357701.4A CN107167835B (en) | 2017-05-19 | 2017-05-19 | A kind of wireless micro- vibration probe and its working method for audio life detection instrument |
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| CN107167835B CN107167835B (en) | 2019-01-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490434A (en) * | 2018-02-09 | 2018-09-04 | 湖南正申科技有限公司 | A kind of wireless transmission multifunctional life-detection instrument |
| CN109373943A (en) * | 2018-10-23 | 2019-02-22 | 谢小东 | One kind is for measuring thickness device and thickness detecting method in pipeline |
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| CN109373943A (en) * | 2018-10-23 | 2019-02-22 | 谢小东 | One kind is for measuring thickness device and thickness detecting method in pipeline |
| CN109373943B (en) * | 2018-10-23 | 2024-04-05 | 谢小东 | Thickness measuring device and thickness detecting method for pipeline |
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