CN110146557A - A kind of damping type humidity sensor - Google Patents
A kind of damping type humidity sensor Download PDFInfo
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- CN110146557A CN110146557A CN201910498581.9A CN201910498581A CN110146557A CN 110146557 A CN110146557 A CN 110146557A CN 201910498581 A CN201910498581 A CN 201910498581A CN 110146557 A CN110146557 A CN 110146557A
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- 238000013016 damping Methods 0.000 title abstract description 8
- 239000012528 membrane Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract 1
- 239000000872 buffer Substances 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
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- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention belongs to sensor technical fields, specifically a kind of damping type humidity sensor, including sensor main body and detecting head main body, it further include security protection mobile support saddle assembly, security protection mobile support saddle assembly includes bottom plate, cant board and solid top plate, is further fixed on support plate on the inside of two cant boards；The left and right ends of sensor main body are respectively fixed with mounting bar, are respectively fixed with carriage assembly on the opposite face of cant board；The lower surface of top plate, which is fixed with, to hold down assembly；The present invention can stablize movement convenient for realizing to sensor main body, reduce workload by security protection mobile support saddle assembly, and play the role of security protection to sensor main body, and the installation and removal of sensor main body are convenient, installation is stablized, and going on smoothly for late detection work is conducive to；Limited support can be carried out to sensor main body during security protection mobile support saddle assembly is mobile by limit module, improve the stability of sensor main body, guarantee the precision of detection.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a damping type humidity sensor.
Background
The moisture sensitive element is the simplest humidity sensor. The humidity sensitive element is mainly composed of resistance type and capacitance type, and is characterized by that a layer of film made of humidity sensitive material is covered on the substrate, when the water vapour in the air is adsorbed on the humidity sensitive film, the resistivity and resistance value of the element are changed, and the humidity can be measured by using this characteristic.
The existing soil humidity sensor generally comprises a wall-mounted humidity sensor used in a laboratory and a movable humidity sensor, most of movable portable humidity sensors usually need more than two measuring personnel to perform correct measurement, great manpower and material resources are additionally consumed, the safety of the humidity sensor is difficult to guarantee, and the measurement accuracy is reduced to a great extent.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a damping type humidity sensor, which aims to solve the problems that most of mobile portable humidity sensors in the background art usually need more than two measuring personnel to perform correct measurement, extra manpower and material resources are consumed, the safety of the humidity sensor is difficult to ensure, the measurement accuracy is reduced to a great extent, and the damping effect is poor in the moving process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a damping humidity sensor, which comprises a sensor main body and a probe main body, the lower part of the sensor main body is respectively embedded with a data output connecting terminal and a power line connecting terminal, the data output connecting terminal is connected with the detecting head main body through a lead, a plurality of metal detecting heads are embedded and installed on the detecting head main body, the front side surface of the sensor main body is respectively embedded with a display screen and a control key, and the sensor also comprises a safety protection mobile support assembly, the safety protection movable support assembly comprises a bottom plate, two side vertical plates which are oppositely fixed at the two ends of the top of the bottom plate and a top plate which is fixed at the top ends of the inner sides of the two side vertical plates, supporting plates are further fixed on the inner sides of the two side vertical plates, the sensor main body is placed on the supporting plates, and moving wheels are fixed at four corners of the bottom plate; mounting bars are respectively fixed at the left end and the right end of the sensor main body, bracket assemblies matched with the mounting bars are respectively fixed on the opposite surfaces of the side vertical plates, and a limiting module is arranged between the bottom ends of the two bracket assemblies; a pressing component is fixed on the surface of the lower part of the top plate and is positioned right above the sensor main body; wherein,
the bracket assembly comprises an outer clamping plate and an inner supporting plate, wherein a bracket capable of accommodating the mounting bar is arranged on the inner supporting plate, a first connecting block is fixed on the surface of the lower part of the outer clamping plate, two second connecting blocks distributed at intervals are fixed on the surface of the upper part of the inner supporting plate, a gap capable of accommodating the first connecting block is formed between the two second connecting blocks, and the first connecting block is rotatably connected with the second connecting blocks;
the limiting module comprises a first elastic air bag, a second elastic air bag, a first limiting pipe, a second limiting pipe and an air pipe; the first elastic air bag and the second elastic air bag are respectively arranged at the bottoms of the inner sides of the two lining plates, and the bottom ends of the first elastic air bag and the second elastic air bag are respectively fixedly connected with the adjacent lining plates; the number of the air pipes is two; one end of the first limiting pipe is communicated with the first elastic air bag through an air pipe, and the other end of the first limiting pipe is fixedly connected with the second elastic air bag; one end of the second limiting pipe is communicated with the second elastic air bag through another air pipe, and the other end of the second limiting pipe is fixedly connected with the first elastic air bag; arc blocks are fixedly connected on the inner walls of the bottoms of the first limiting pipe and the second limiting pipe at equal intervals, through grooves are formed in the positions, corresponding to the arc blocks, of the first limiting pipe and the second limiting pipe, and supporting units are arranged on the inner sides of the through grooves; the supporting unit is used for carrying out limiting support on the sensor main body, and the supporting unit is separated from the bottom of the sensor main body when in an initial state.
Preferably, the support plate is formed with through holes corresponding to the power line connection terminal and the data output connection terminal, respectively.
Preferably, first suction blocks are fixed to two ends of the surface of the lower portion of the outer clamping plate respectively, second suction blocks are fixed to two ends of the surface of the upper portion of the inner supporting plate respectively, an elastic pad is arranged on the vertical side wall of the inner side edge of the inner supporting plate, a plurality of elastic hemispheres are uniformly distributed on the elastic pad, and the elastic pad is used for protecting the side edge of the sensor main body.
Preferably, the first attraction block and the second attraction block are both permanent magnets.
Preferably, the pressing assembly comprises a fixed rod, a movable rod and a telescopic spring, an installation sheet is fixed at the top end of the fixed rod, and the fixed rod is fixed on the top plate through the installation sheet; the bottom end of the fixed rod is provided with a movable groove for embedding the end part of the movable rod, the top end of the movable rod can be embedded into the movable groove in a vertically reciprocating manner, the bottom end of the movable rod extends out of the movable groove, and the telescopic springs are distributed between the end face of the top end of the movable rod and the groove top wall of the movable groove.
Preferably, a pressure plate is fixed at the bottom end of the movable rod, a pressure port capable of being clamped at the top of the sensor main body is formed in the surface of the lower portion of the pressure plate, and a buffering air bag is arranged on the inner side of the pressure port; when the sensor main body rocks along vertical direction, the buffering gasbag can cushion the sensor main body to cooperation expanding spring uses and improves buffering efficiency.
Preferably, two limiting sliding grooves which are distributed oppositely are formed in the side wall of the movable groove, a limiting sliding block corresponding to the limiting sliding grooves is fixed on the outer surface of the embedding end of the movable rod, and a safety limiting block is fixed on the inner side of a port of each limiting sliding groove.
Preferably, the support unit comprises a circular arc-shaped elastic membrane and a rubber airbag; the arc-shaped elastic film is connected with the inner side wall of the through groove, the arched part of the arc-shaped elastic film is attached to the inner side wall of the arc block, one side, close to the air pipe on the same horizontal line, of the arc-shaped elastic film is provided with an inclined hole, and the outer side of the arc-shaped elastic film is provided with a rubber air bag at a position corresponding to the inclined hole; the cross section of the inclined hole is of a circular truncated cone-shaped structure, the inclined hole in the first limiting pipe and the inclined hole in the second limiting pipe are opposite in direction, the large end of the inclined hole is close to the rubber air bag, and the small end of the inclined hole is close to the circular arc block;
when gas in the first elastic air bag is guided into the first limiting pipe or the second elastic air bag is guided into the second limiting pipe through the air pipe, when the gas is just guided, the gas is firstly guided into the rubber air bag through the inclined hole which is closest to the air pipe, at the moment, the rubber air bag is inflated and expanded until the rubber air bag is contacted with the bottom of the sensor main body, then the air pipe is continuously guided into the gas, so that the circular arc elastic membrane which is closest to the air pipe is separated from the adjacent circular arc block and is expanded to a certain distance in the direction close to the sensor main body, the small end of the inclined hole is sealed, the gas quantity in the rubber air bag is ensured to be unchanged, the connection between the rubber air bag and the sensor main body is tighter, the stability of the sensor main body is further improved, when the gas is continuously guided into the air pipe, the rest supporting units on the same straight line with the expanded supporting units are sequentially, carry out spacing support to the sensor main part, improve the stability of sensor main part, simultaneously, can make gaseous inside velocity of flow that is in a spacing pipe or No. two spacing pipes slow down to slow down the speed of air escape in two gasbags, can slow down the speed of sensor main part position change, carry out and can carry out spacing buffering to the sensor main part.
Preferably, one end of the rubber air bag close to the sensor main body is provided with anti-skid teeth; the anti-skidding teeth are symmetrically arranged by taking a vertical center line of the rubber air bag as a reference, and the directions of the two groups of anti-skidding teeth are opposite;
when circular-arc elastic membrane bloated the connection position that makes rubber gasbag and sensor main part bottom warp, the one end of rubber gasbag and the bottom extrusion contact's of sensor main part degree grow, and at this moment, two sets of elasticity anti-skidding teeth opposite in orientation contact bottom to the sensor main part, avoid the sensor main part along radially taking place the displacement to the cooperation cushion uses, thereby improves the stability of sensor main part, avoids the sensor main part to damage, precision when guaranteeing the sensor main part and using, can normal use.
The invention has the following beneficial effects:
1. according to the invention, the safety protection movable support assembly is adopted, so that the sensor main body can be conveniently and stably moved, the workload is reduced, the safety protection effect is exerted on the sensor main body, the sensor main body is convenient to mount and dismount, and is stable in mounting, and the later-stage detection work can be smoothly carried out; can carry out spacing support to the sensor main part at the in-process that safety protection removes the support assembly through spacing module, improve the stability of sensor main part, guarantee the precision that detects.
2. According to the invention, the arc-shaped elastic membrane, the arc block and the rubber air bag are matched for use, so that when the sensor main body extrudes the first elastic air bag or the second elastic air bag, the air discharge speed of the two air bags is reduced, the position change speed of the sensor main body can be reduced, and the sensor main body can be limited and buffered; utilize rubber gasbag and inclined hole cooperation to use, can support the sensor main part and spacing along radial direction, can weaken the shake effect of sensor main part, improve the stability of sensor main part.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a view at C of FIG. 2;
FIG. 6 is a schematic perspective view of the bracket assembly of the present invention;
FIG. 7 is a front cross-sectional structural schematic view of the hold-down assembly of the present invention;
FIG. 8 is a schematic diagram of the principles of the present invention;
in the figure: 1. a sensor body; 2. a probe head body; 3. a display screen; 4. a control key; 5. mounting a bar; 6. a power line connection terminal; 7. a data output connection terminal; 8. a metal probe head; 9. a safety protection mobile support assembly; 10. a side vertical plate; 11. a top plate; 12. a compression assembly; 13. a bracket assembly; 14. perforating; 15. a base plate; 16. a moving wheel; 17. a support plate; 18. an outer clamping plate; 19. an inner support plate; 191. an elastic pad; 20. a first connection block; 21. a second connecting block; 22. a bracket; 23. a first absorption block; 24. a second suction block; 25. mounting a sheet; 26. fixing the rod; 27. a movable rod; 28. pressing a plate; 281. a buffer air bag; 29. pressing a port; 30. a movable groove; 31. a tension spring; 32. a limiting slide block; 33. a limiting chute; 34. a safety stopper; 35. a limiting module; 351. a first elastic air bag; 352. a second elastic air bag; 353. a first limit pipe; 354. a second limiting pipe; 355. a through groove; 356. an air tube; 37. an arc block; 38. a support unit; 381. a circular arc-shaped elastic film; 382. a rubber air bag; 383. an inclined hole; 384. and (4) anti-slip teeth.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, a damping humidity sensor comprises a sensor body 1 and a probe body 2, wherein a data output connection terminal 7 and a power line connection terminal 6 are respectively embedded in the lower part of the sensor body 1, the data output connection terminal 7 is connected with the probe body 2 through a wire, a plurality of metal probes 8 are embedded in the probe body 2, a display screen 3 and a control key 4 are respectively embedded in the front side surface of the sensor body 1, the damping humidity sensor further comprises a safety protection mobile support assembly 9, the safety protection mobile support assembly 9 comprises a bottom plate 15, two side vertical plates 10 oppositely fixed at two ends of the top of the bottom plate 15 and a top plate 11 fixed at the top ends of the inner sides of the two side vertical plates 10, a support plate 17 is further fixed on the inner sides of the two side vertical plates 10, and the sensor body 1 is placed on the support plate 17, four corners of the bottom plate 15 are respectively fixed with a movable wheel 16; mounting bars 5 are respectively fixed at the left end and the right end of the sensor main body 1, bracket assemblies 13 matched with the mounting bars 5 are respectively fixed on the opposite surfaces of the side vertical plates 10, and a limiting module 35 is arranged between the bottom ends of the two bracket assemblies 13; a pressing component 12 is fixed on the lower surface of the top plate 11, and the pressing component 12 is positioned right above the sensor body 1; wherein,
the bracket assembly 13 comprises an outer clamping plate 18 and an inner supporting plate 19, a bracket 22 capable of accommodating the mounting bar 5 is arranged on the inner supporting plate 19, a first connecting block 20 is fixed on the lower surface of the outer clamping plate 18, two second connecting blocks 21 distributed at intervals are fixed on the upper surface of the inner supporting plate 19, a gap capable of accommodating the first connecting block 20 is formed between the two second connecting blocks 21, and the first connecting block 20 is rotatably connected with the second connecting blocks 21;
the limiting module 35 comprises a first elastic air bag 351, a second elastic air bag 352, a first limiting tube 353, a second limiting tube 354 and an air tube 356; the first elastic airbag 351 and the second elastic airbag 352 are respectively arranged at the bottom of the inner sides of the two lining plates 19, and the bottom ends of the first elastic airbag 351 and the second elastic airbag 352 are respectively fixedly connected with the adjacent lining plates 19; the number of the air pipes 356 is two; one end of the first limiting tube 353 is communicated with the first elastic air bag 351 through an air tube 356, and the other end of the first limiting tube is fixedly connected with the second elastic air bag 352; one end of the second limiting tube 354 is communicated with the second elastic air bag 352 through another air tube 356, and the other end of the second limiting tube is fixedly connected with the first elastic air bag 351; the inner walls of the bottoms of the first limiting pipe 353 and the second limiting pipe 354 are fixedly connected with the arc blocks 37 at equal intervals, through grooves 355 are formed in the positions, corresponding to the arc blocks 37, of the first limiting pipe 353 and the second limiting pipe 354, and supporting units 38 are arranged on the inner sides of the through grooves 355; the supporting unit 38 is used for performing limit support on the sensor body 1, and the supporting unit 38 is separated from the bottom of the sensor body 1 in an initial state.
The support plate 17 is provided with through holes 14 corresponding to the power line connection terminals 6 and the data output connection terminals 7, respectively.
First absorbing blocks 23 are respectively fixed at two ends of the lower surface of the outer clamping plate 18, second absorbing blocks 24 are respectively fixed at two ends of the upper surface of the inner supporting plate 19, an elastic pad 191 is arranged on the vertical side wall of the inner side edge of the inner clamping plate 19, a plurality of elastic hemispheres are uniformly distributed on the elastic pad 191, and the elastic pad 191 is used for protecting the side edge of the sensor main body 1.
The first and second attraction blocks 23 and 24 are permanent magnets.
The pressing assembly 12 comprises a fixed rod 26, a movable rod 27 and a telescopic spring 31, a mounting piece 25 is fixed at the top end of the fixed rod 26, and the fixed rod 26 is fixed on the top plate 11 through the mounting piece 25; the bottom end of the fixed rod 26 is provided with a movable groove 30 for the end of the movable rod 27 to be embedded in, the top end of the movable rod 27 can be embedded in the movable groove 30 in a vertically reciprocating manner, the bottom end of the movable rod extends out of the movable groove 30, and the expansion spring 31 is distributed between the end surface of the top end of the movable rod 27 and the top wall of the movable groove 30.
A pressure plate 28 is fixed at the bottom end of the movable rod 27, a pressure port 29 capable of being clamped at the top of the sensor body 1 is formed in the lower surface of the pressure plate 28, and a buffer air bag 281 is arranged on the inner side of the pressure port 29; when the sensor body 1 rocks in the vertical direction, the buffer air bag 281 can buffer the sensor body 1 and improve the buffer efficiency in cooperation with the extension spring 31.
Two limiting sliding grooves 33 which are distributed oppositely are formed in the side wall of the movable groove 30, a limiting sliding block 32 corresponding to the limiting sliding grooves 33 is fixed on the outer surface of the embedding end of the movable rod 27, and a safety limiting block 34 is fixed on the inner side of a port of the limiting sliding grooves 33.
The support unit 38 includes a circular arc-shaped elastic membrane 381 and a rubber bladder 382; the arc-shaped elastic membrane 381 is connected with the inner side wall of the through groove 355, the arched part of the arc-shaped elastic membrane 381 is attached to the inner side wall of the arc block 37, an inclined hole 383 is formed in one side, close to the air pipe 356 on the same horizontal line, of the arc-shaped elastic membrane 381, and rubber airbags 382 are arranged on the outer side of the arc-shaped elastic membrane 381 corresponding to the inclined hole 383; the cross section of the inclined hole 383 is in a circular truncated cone-shaped structure, the inclined hole 383 in the first limiting tube 353 and the inclined hole 383 in the second limiting tube 354 face opposite directions, the large end of the inclined hole 383 is close to the rubber air bag 382, and the small end of the inclined hole 383 is close to the circular arc block 37;
when the gas in the first elastic airbag 351 is introduced into the first limiting tube 353 through the gas pipe 356 or the gas in the second elastic airbag 352 is introduced into the second limiting tube 354, when the introduction is started, the gas is firstly introduced into the rubber airbag 382 through the inclined hole 383 closest to the gas pipe 356, at this time, the rubber airbag 382 inflates and expands until the rubber airbag 382 contacts with the bottom of the sensor body 1, then the gas pipe 356 continuously introduces the gas, so that the arc-shaped elastic membrane 381 closest to the gas pipe 356 is separated from the adjacent arc block 37, and bulges for a certain distance in the direction close to the sensor body 1, so that the small end of the inclined hole 383 is sealed, the gas quantity in the rubber airbag 382 is ensured to be unchanged, the connection between the rubber airbag 382 and the sensor body 1 is tighter, the stability of the sensor body 1 is further improved, and when the gas pipe 356 continuously introduces the gas, the rest of the support units 38 on the same straight line with the expanded support units 38 are sequentially inflated to carry out limiting support on the sensor main body 1, so that the stability of the sensor main body 1 is improved, and meanwhile, the internal flow velocity of gas in the first limiting pipe 353 or the second limiting pipe 354 is reduced, so that the air exhaust rate in the two air bags is reduced, the position change rate of the sensor main body 1 can be reduced, and limiting buffering can be carried out on the sensor main body 1.
An anti-skid tooth 384 is arranged at one end of the rubber air bag 382 close to the sensor body 1; the anti-skid teeth 384 are symmetrically arranged by taking the vertical middle line of the rubber air bag 382 as a reference, and the two groups of anti-skid teeth 384 face opposite directions;
when the circular-arc elastic membrane 381 bulges to enable the connecting part of the rubber air bag 382 and the bottom of the sensor main body 1 to deform, the degree of extrusion contact between one end of the rubber air bag 382 and the bottom of the sensor main body 1 is increased, at the moment, two groups of elastic anti-skidding teeth 384 with opposite directions contact the bottom of the sensor main body 1, the sensor main body 1 is prevented from displacing along the radial direction and is matched with an elastic cushion for use, so that the stability of the sensor main body 1 is improved, the sensor main body 1 is prevented from being damaged, the precision of the sensor main body 1 in use is guaranteed, and the sensor main body.
During operation, for some applicable occasions, such as outdoor use, the sensor body 1 is usually placed on the supporting plate 17, the power line connecting terminal 6 and the data output connecting terminal 7 on the sensor body 1 are respectively corresponding to the through hole 14, and the bracket assemblies 13 on the two sides are used for stabilizing the mounting bars 5 at the left end and the right end of the sensor body 1, so that the pressing assembly 12 clamps the top end of the sensor body 1;
after the sensor main body 1 is installed, the sensor main body 2 and the data output connecting terminal 7 are connected through a conducting wire, the metal detector 8 is inserted into soil to be detected, the control key 4 selects the current working mode, and the humidity of the currently detected soil can be displayed through the display screen 3;
when the bracket assembly 13 is used for stabilizing the mounting bars 5 at the left end and the right end of the sensor main body 1, the outer clamping plate 18 is firstly opened, the mounting bars 5 are correspondingly placed in the bracket 22, then the outer clamping plate 18 is closed, and after the outer clamping plate 18 is closed, the first suction block 23 on the outer clamping plate 18 and the second suction block 24 on the inner supporting plate 19 are sucked mutually, so that the stable assembly of the outer clamping plate 18 and the inner supporting plate 19 is realized;
meanwhile, the movable rod 27 can move downwards stably by using the elastic action of the extension spring 31, the pressing plate 28 at the end part of the movable rod is clamped at the top end of the sensor main body 1 through the pressing opening 29, the stability of the sensor main body 1 is ensured, the limiting slide block 32, the limiting slide groove 33 and the safety limiting block 34 can ensure the stability of the activity of the movable rod 27, when the sensor main body 1 shakes, the first elastic air bag 381 and the second elastic air bag 382 can carry out limiting buffering on the position change of the sensor main body 1 along the vertical direction, meanwhile, the buffering air bag 281 can avoid collision between the sensor main body 1 and the pressing plate when the first elastic air bag 381 and the second elastic air bag 382 rebound, when the first elastic air bag 381 buffers, the gas in the inner cavity of the first elastic air bag is led into the first limiting pipe 353 through the air pipe 356, so that the plurality of supporting units 38 are inflated and expanded in sequence to support and limit the bottom of the, the stability of the sensor main body 1 is improved, when the second elastic air bag 382 buffers, the gas in the inner cavity of the second elastic air bag 382 is guided into the second limiting pipe 354 through another air pipe 356, so that the plurality of supporting units 38 in the second limiting pipe 354 are sequentially inflated and expanded to support and limit the bottom of the sensor main body 1, return springs can be arranged inside the first elastic air bag 381 and the second elastic air bag 382, the two air bags can be ensured to be restored when the two air bags rebound, and the gas respectively guided into the two limiting pipes is extracted;
when gas in the first elastic airbag 351 is introduced into the first limiting tube 353 through the gas pipe 356 or gas in the second elastic airbag 352 is introduced into the second limiting tube 354, when the introduction is started, the gas is firstly introduced into the rubber airbag 382 through the inclined hole 383 closest to the gas pipe 356, at this time, the rubber airbag 382 inflates until the rubber airbag 382 is in contact with the bottom of the sensor body 1, then the gas pipe 356 continuously introduces the gas, so that the arc-shaped elastic membrane 381 closest to the gas pipe 356 is separated from the adjacent arc block 37, and bulges for a certain distance in the direction close to the sensor body 1, so that the small end of the inclined hole 383 is closed, the gas quantity in the rubber airbag 382 is ensured to be unchanged, the connection between the rubber airbag 382 and the sensor body 1 is tighter, at this time, two sets of elastic anti-skid teeth 384 facing opposite directions are in contact with the bottom of the sensor body 1, avoid sensor main part 1 to take place the displacement along radial, and cooperate the cushion to use, thereby improve sensor main part 1's stability, avoid sensor main part 1 to damage, precision when guaranteeing sensor main part 1 to use, can normal use, further improve sensor main part 1's stability, when trachea 356 lasts the leading-in gas, inflate in proper order with all the other support element 38 on the support element 38 collinear that have expanded, carry out spacing support to sensor main part 1, improve sensor main part 1's stability, simultaneously, can make gaseous inside velocity of flow at spacing pipe 353 or No. two spacing pipes 354 slow down, thereby slow down the speed of air escape in elastic airbag 351 and No. two elastic airbag 352, can slow down the speed of sensor main part 1 position change, carry out spacing buffering to sensor main part 1.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a shock attenuation formula humidity transducer, includes sensor main part (1) and detecting head main part (2), the lower part embedding of sensor main part (1) is provided with data output connecting terminal (7) and power cord connecting terminal (6) respectively, just data output connecting terminal (7) pass through the wire with detecting head main part (2) are connected, a plurality of metal detecting heads (8) are installed in the embedding on detecting head main part (2), display screen (3) and control button (4), its characterized in that are installed in the leading flank embedding respectively of sensor main part (1): the sensor is characterized by further comprising a safety protection mobile support assembly (9), wherein the safety protection mobile support assembly (9) comprises a bottom plate (15), two side vertical plates (10) oppositely fixed at two ends of the top of the bottom plate (15) and a top plate (11) fixed at the top ends of the inner sides of the two side vertical plates (10), a supporting plate (17) is further fixed on the inner sides of the two side vertical plates (10), the sensor main body (1) is placed on the supporting plate (17), and four corners of the bottom plate (15) are respectively fixed with a mobile wheel (16); mounting strips (5) are respectively fixed at the left end and the right end of the sensor main body (1), bracket assemblies (13) matched with the mounting strips (5) are respectively fixed on opposite surfaces of the side vertical plates (10), and a limiting module (35) is arranged between the bottom ends of the two bracket assemblies (13); a pressing component (12) is fixed on the lower surface of the top plate (11), and the pressing component (12) is positioned right above the sensor body (1); wherein,
the bracket assembly (13) comprises an outer clamping plate (18) and an inner supporting plate (19), a bracket (22) capable of accommodating the mounting bar (5) is arranged on the inner supporting plate (19), a first connecting block (20) is fixed on the surface of the lower part of the outer clamping plate (18), two second connecting blocks (21) distributed at intervals are fixed on the surface of the upper part of the inner supporting plate (19), a gap capable of accommodating the first connecting block (20) is formed between the two second connecting blocks (21), and the first connecting block (20) is rotatably connected with the second connecting blocks (21);
the limiting module (35) comprises a first elastic air bag (351), a second elastic air bag (352), a first limiting tube (353), a second limiting tube (354) and an air tube (356); the first elastic air bag (351) and the second elastic air bag (352) are respectively arranged at the bottoms of the inner sides of the two lining plates (19), and the bottom ends of the first elastic air bag (351) and the second elastic air bag (352) are respectively fixedly connected with the adjacent lining plates (19); the number of the air pipes (356) is two; one end of the first limiting pipe (353) is communicated with the first elastic air bag (351) through an air pipe (356), and the other end of the first limiting pipe is fixedly connected with the second elastic air bag (352); one end of the second limiting pipe (354) is communicated with the second elastic air bag (352) through another air pipe (356), and the other end of the second limiting pipe is fixedly connected with the first elastic air bag (351); the inner walls of the bottoms of the first limiting pipe (353) and the second limiting pipe (354) are fixedly connected with the arc blocks (37) at equal intervals, through grooves (355) are formed in the positions, corresponding to the arc blocks (37), of the first limiting pipe (353) and the second limiting pipe (354), and supporting units (38) are arranged on the inner sides of the through grooves (355); the supporting unit (38) is used for limiting and supporting the sensor main body (1), and the supporting unit (38) is separated from the bottom of the sensor main body (1) when in an initial state.
2. A damped humidity sensor according to claim 1 wherein: the support plate (17) is provided with through holes (14) corresponding to the power line connecting terminal (6) and the data output connecting terminal (7) respectively.
3. A damped humidity sensor according to claim 1 wherein: the sensor comprises an outer clamping plate (18), wherein two ends of the lower surface of the outer clamping plate (18) are respectively fixed with a first absorbing block (23), two ends of the upper surface of an inner supporting plate (19) are respectively fixed with a second absorbing block (24), an elastic pad (191) is arranged on the inner side of the inner supporting plate (19) along the vertical side wall, a plurality of elastic hemispheres are uniformly distributed on the elastic pad (191), and the elastic pad (191) is used for protecting the side edge of a sensor main body (1).
4. A damped humidity sensor according to claim 3 wherein: the first attraction block (23) and the second attraction block (24) are both permanent magnets.
5. A damped humidity sensor according to claim 1 wherein: the pressing assembly (12) comprises a fixed rod (26), a movable rod (27) and a telescopic spring (31), a mounting piece (25) is fixed at the top end of the fixed rod (26), and the fixed rod (26) is fixed on the top plate (11) through the mounting piece (25); the bottom of dead lever (26) is seted up the confession activity groove (30) that activity pole (27) tip was inlayed, the top of activity pole (27) can be gone up and down to reciprocate movably the embedding in activity groove (30), its bottom stretches out activity groove (30) outside, expanding spring (31) distribute in the top terminal surface of activity pole (27) with between the groove top wall in activity groove (30).
6. The damped humidity sensor of claim 5 wherein: the bottom end of the movable rod (27) is fixed with a pressing plate (28), the lower surface of the pressing plate (28) is provided with a pressing opening (29) which can be clamped at the top of the sensor main body (1), and the inner side of the pressing opening (29) is provided with a buffering air bag (281).
7. The damped humidity sensor of claim 5 wherein: two limiting sliding grooves (33) which are distributed oppositely are formed in the side wall of the movable groove (30), limiting sliding blocks (32) corresponding to the limiting sliding grooves (33) are fixed on the outer surface of the embedding end of the movable rod (27), and safety limiting blocks (34) are fixed on the inner sides of ports of the limiting sliding grooves (33).
8. A damped humidity sensor according to claim 1 wherein: the support unit (38) includes an arc-shaped elastic membrane (381) and a rubber airbag (382); the arc-shaped elastic membrane (381) is connected with the inner side wall of the through groove (355), the arched part of the arc-shaped elastic membrane (381) is attached to the inner side wall of the arc block (37), one side, close to the air pipe (356) on the same horizontal line, of the arc-shaped elastic membrane (381) is provided with an inclined hole (383), and the outer side of the arc-shaped elastic membrane (381) is provided with a rubber air bag (382) corresponding to the inclined hole (383); the cross section of the inclined hole (383) is of a circular truncated cone-shaped structure, the inclined hole (383) in the first limiting pipe (353) and the inclined hole (383) in the second limiting pipe (354) face opposite directions, the large end of the inclined hole (383) is close to the rubber air bag (382), and the small end of the inclined hole (383) is close to the circular arc block (37).
9. The damped humidity sensor of claim 8, wherein: an anti-skid tooth (384) is arranged at one end of the rubber air bag (382) close to the sensor main body (1); the anti-skid teeth (384) are symmetrically arranged by taking the vertical middle line of the rubber air bag (382) as a reference, and the two groups of anti-skid teeth (384) are oppositely oriented.
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Effective date of registration: 20211207 Address after: 310000 building 3, No.118 Changda Road, Linping street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Lifu Sensing Technology Co.,Ltd. Address before: Nanjing University of Aeronautics and Astronautics, 29 Yudao street, Qinhuai District, Nanjing, Jiangsu Province, 210001 Applicant before: Jiang Chao |
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