CN208476879U - A kind of gas detector with bionical flow-guiding structure Yu variable level sensor - Google Patents
A kind of gas detector with bionical flow-guiding structure Yu variable level sensor Download PDFInfo
- Publication number
- CN208476879U CN208476879U CN201820498273.7U CN201820498273U CN208476879U CN 208476879 U CN208476879 U CN 208476879U CN 201820498273 U CN201820498273 U CN 201820498273U CN 208476879 U CN208476879 U CN 208476879U
- Authority
- CN
- China
- Prior art keywords
- group
- sensor
- water conservancy
- conservancy diversion
- sections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
A kind of gas detector category gas componant detection technique field with bionical flow-guiding structure Yu variable level sensor, the utility model passes through extraneous means and sprays into gas in inner cavity from front end, after the detection of the toxic and harmful gas sensor of center support front end, after water conservancy diversion board group water conservancy diversion with space and time difference each sensor contacts, after primarily determining ingredient, Related Component sensor is placed in strong stimulation area through motor drive for driving member or other rational positions continue to detect, gas then flows through supporting guide plate group and contacts with the wide area gas sensor of rearmost, it tests whether to contain other submembers, electronic nose is finally discharged.Bionical water conservancy diversion board group and shell cooperate, and become apparent from strong, the weak stimulation area of gas, can strengthen Effect on Detecting, error caused by reduction interferes with each other, make that gas detector is sensitiveer to the detection of gas componant, result is accurate and simple and efficient to handle, gas concentration is required low.
Description
Technical field
The utility model category unknown gas composition detection technical field, and in particular to one kind has bionical cavity and moves
The gas componant detector of sensor.
Background technique
1, oil shale is worldwide acknowledged as the preferred alternative energy source of conventional gas and oil, becomes countries in the world in the energy
The important standby energy that must be taken into consideration in strategic balance development.In oil shale formation, hydrocarbon gas content is higher, by brill
The hydrocarbon gas concentration that gas is generated during well detects the accurate positioning and content analysis that may be implemented to oil shale formation.
2, electronic nose, that is, gas detector is a kind of gas detecting instrument for copying mammalian sense of smell organ to develop, due to
Electronic nose detection has the characteristics that high reliability, high practicability and short recognition cycle, examines in food and drink production industry, environment
The fields such as survey, medicine and agricultural are widely used.But traditional electronic nose mostly improves gas concentration, the calculating of optimization later period using artificial
The methods of optimization detection result, this directly limits the application range and application environment of electronic nose, and affects to a certain extent
The accuracy of testing result.By being rationally designed to electronic nose inside cavity, using biology biological characteristics with it is bionical
It learns in conjunction with the received gas signal of sensor is optimized, has that easy to operate, suitable environment is wide, detection ingredient is more, operation result
More preferably advantage, and the electronic nose for optimizing to optimize detection result exclusively with cavity body structure is had no at present.
3, muroid nose intracavity gas " it " font flow trace with the space structure in mouse nasal cavity possesses muroid sensitive
Smell.In the back side crypts area of mouse nasal cavity and proparea, gas flow rate is very fast, and more olfactory cells and cilium is distributed with.In
Area successively successively decreases with back zone gas flow rate, and olfactory cell density reduces.This phenomenon of muroid nasal cavity is applied to counter structure
In electronic nose cavity, the status of single algorithm optimization can only be utilized by improving electronic nose at this stage.
Summary of the invention
The purpose of this utility model is to provide a kind of bionic electronic nose for oil shale sniff and solve current electronics
Nose, which can only optimize later period algorithm, leads to the unconspicuous problem of effect of optimization.The electronic nose according to muroid nasal cavity olfactory cell with
Olfactory cilium distribution with muroid nasal cavity in gas flow rate interactive design bionic electronic nose, make it have good flow conductivity with
Measurement accuracy, while moveable sensor group is designed in electronic nose, realize the otherness of multiple sensors in space point
Cloth receives the time difference opposite sex of signal using different sensors and Spatial Difference promotes electronic nose sniff ability.
The utility model is by shell A, center support B, variable level sensor group C, aft mount D, tail portion ring plate E, motor
F, threaded rod G and fulcrum post H composition, wherein five variable level sensors of variable level sensor group C are assemblied in center support B's
In five sliding rails of slide rail group 5, and the pedestal 14 of five sensors and the sliding rail of slide rail group 5 are slidably connected；In one period,
14 bottom of pedestal of only one sensor is engaged with threaded rod G in five sensors.Water conservancy diversion supports board group 11 in aft mount D
Six water conservancy diversion support plates top and upper three section III of the groove 1 of shell A it is affixed.Six stabilizer blades of stabilizer blade group 6 in center support B
It is affixed with the blind hole I 10 on aft mount D.4 outer end of center support B upper backup pad group is close left with leading portion I and two section II in shell A
The inner wall in portion is tangent, and can be carried out dismounting if necessary.Threaded rod G is across sliding rail in the through-hole 9, center support B of aft mount D
The enclosed center of five sliding rails of group 5, the left end blind hole II 15 of threaded rod G are flexibly connected with the pin II 18 of fulcrum post H, fulcrum post
The pin I 17 of H and III m of blind hole of center support B are affixed.The longitudinal axis of threaded rod G is parallel with the longitudinal axis of shell A, is not overlapped.
The output shaft of motor H and threaded rod G right end are affixed.
The tail portion ring plate E is affixed using glued mode and aft mount D, and the internal rail 16 and threaded rod G of tail portion ring plate are right
The annular groove n in portion is flexibly connected.
The column of the shell A, center support B, variable level sensor group C, aft mount D, tail portion ring plate E and fulcrum post H
I 17 axis of pin is overlapped, and II 18 axis of pin of threaded rod G and fulcrum post H are overlapped, and two axial lines are parallel to each other, and distance is 1-3mm.
The shell A is linked in sequence by I, two section II, three section III and four section IV of leading portion, and the overall length L1 of shell A is
The thickness h 2 of 100-150mm, shell A are 6-12mm.Wherein two section II, three sections III and four section IV is round tube,
Two section II of length L4 is 40-75mm, and diameter d3 is 46-56mm.
Three section III of length L3 is 40-55mm, and diameter d2 is 60-68mm, and three section of III inner wall is recessed equipped with being uniformly distributed along the circumference
Six grooves of slot group 1, recess width h2 are 3-5mm.
Four section IV of length L2 is 40-55mm, and diameter d1 is 60-80mm.
The diameter d4 of the left end of leading portion I is 4-8mm, and longitudinal axis of the circumference of leading portion 3 by a-b curve along shell A revolves
Circle gained, the mathematic(al) representation of a-b curve are as follows: when taking b point to be origin, to cross b point and parallel with shell A longitudinal axis straight
Line is x-axis, is to the right positive direction of the x-axis, crosses b point and is y-axis perpendicular to x-axis, when establishing coordinate system upwards for positive direction of the y-axis, table
Up to formula are as follows:
7.3 × 10-2x2+6.3 of y=1.7 × 10-3x3-× 10-2x-0.207.
The center support B is made of stabilizer blade group 6, slide rail group 5 and water conservancy diversion board group 3, wherein water conservancy diversion board group 3, slide rail group
5, sequence arranges from left to right for standalone sensor 8 and stabilizer blade group 6, and six of the affixed stabilizer blade group 6 of five sliding rail right ends of slide rail group 5
Stabilizer blade, six sliding rail left ends of slide rail group 5 and the right end of water conservancy diversion board group 3 are affixed, uniformly distributed support plate on the excircle of water conservancy diversion board group 3
The left end center of three support plates of group 4, water conservancy diversion board group 3 is equipped with sensor placed hole 2.
The standalone sensor 8 is fixed in the wide guide rail upper surface center line of slide rail group 5,8 left end of standalone sensor with lead
The distance L7 of 3 right end of flowing plate group is 5-9mm, the 13 size phase of round tube of 8 round tube size of standalone sensor and variable level sensor group C
Together, internal diameter 9-12mm, wide 5-10mm.
2 central axes of sensor placed hole are overlapped with gas detector central axes, and diameter d2For 8-12mm, a length of diameter
0.75 times.
The left end center outer rim of water conservancy diversion board group 3 is equipped with the guide ring 7 with shuttle shape section.
Water conservancy diversion board group 3 is L long1For 15-30mm, outer layer revolving structure radius r2For 14-22mm, middle layer revolving structure radius
r1For 12-18mm, and contain center thickness L6For the shuttle shape section guide ring 7 of 2-4mm, in which:
It is to the left positive direction of the x-axis using the place f-i straight line as x-axis when taking f point to be origin, crosses f point and be y perpendicular to x-axis
Axis, when establishing coordinate system upwards for positive direction of the y-axis,
C-d sections of curvilinear equations are as follows: y=-3.3 × 10-2x2+0.492x+11.338
J-e sections of curvilinear equations are as follows: 2 × 10-2x2+0.236x+2.985 of y=7 × 10-4x3-
I-k-f sections of curvilinear equations are as follows: y=-0.01x2+0.2x
I-l-f sections of curvilinear equations are as follows: y=0.01x2-0.2x
H-g sections of curvilinear equations are as follows: y=-7 × 10-4x3+2 × 10-2x2-0.236x-2.985.
The variable level sensor group C is made of five sensors, and sensor is tubular, and the outside of round tube 13 is equipped with
Pedestal 14；13 internal diameter of round tube is 9-12mm, wide 5-10mm.
The aft mount D overall length 40-55mm is made of, tail six rib pipes, sensor group 12 and water conservancy diversion support board group 11
The center of portion support D is equipped with through-hole 9, diameter 6-9mm；Left end tube wall is equipped with the blind hole group 10 being made of six blind holes, and blind hole is long
It is affixed with the stabilizer blade group 6 of center support B for 5-7mm；Water conservancy diversion supports that board group 11 is 25-32mm long, width 1-3mm, high 23-28mm, gathers around
Six water conservancy diversion support plates for having chamfering diameter to include by 1-3mm are distributed in six corner angle of six rib pipe left parts, and angle α is 60 °,
Three sensors of sensor group 12 are distributed on three faceted pebbles of six rib pipe right parts, the high 10-15mm in the sensor center of circle, diameter 8-
10mm, wall thickness 1-2mm.
The tail portion ring plate E width is 2-3mm, the annular through-hole that contained internal rail 16 is 300 °, internal rail center line distance
Tail portion ring plate E axial line distance is 1-3mm.
The pin I 17 and II 18 diameter of pin of the fulcrum post H is 1-1.5mm, a length of 2-4mm；Pin I 17 and pin
II 18 axis are parallel, and distance is 1-3mm.Fulcrum post total length is 4-8mm.
The course of work of the utility model and principle are as follows: sensor placed hole 2, standalone sensor 8, variable level sensor
Group C and sensor group 12 are placed toxic harmful gas sensor a, toxic and harmful gas sensor b, gas effective component respectively and are passed
Sensor c-g and wide area gas sensor h-j.Air exhauster positioned at electronic nose rear works, and under test gas is sucked the electronic nose
In.Under test gas first passes around toxic and harmful gas sensor a, and whether measurement gas contains the ingredient being harmful to the human body.If
Have, then can in time replacement operation and detection place, prevent measurement with exploitation personnel's poisoning occur.Under test gas passes through after
It crosses after 3 water conservancy diversion of water conservancy diversion board group after being contacted again check toxicity with toxic and harmful gas sensor b and enters variable bit sensor group C institute
It is reacted in region with gas effective component sensor c-d.3 end of water conservancy diversion board group is the strong stimulation area of gas, positioned at gas herein
It is more significant that body effective component sensor measures effect.
Situation one, if not detecting preposition gas effective component sensor c tie element the gas of postposition effectively at
Sub-sensor e has signal, then gas effective component sensor e is sent to strong stimulation area by rotation threaded rod G using motor,
Gas effective component sensor c is retracted into weak stimulation area, interference gas is avoided to measure, and weak stimulation area continue measurement whether there is or not right
Answer gas componant；
Situation two, if the expected gas componant for needing to measure is complicated, ingredient I, II occupies main status, ingredient III, IV, V
Back burner is occupied, then the sensor for measuring ingredient I, II can be placed in strong stimulation area by threaded rod G using motor, will measured
The sensor of ingredient III, IV, V is placed in weak stimulation area by threaded rod G using motor, avoids because sensor is located at same put down
Face and mutual flow-disturbing, improve measurement accuracy；
In addition to this, gas with various ingredient possesses different optimum measurement flow velocitys, by adjusting in variable level sensor group C
The relative position of sensor can choose optimum measurement area, improve measurement accuracy when gas with various ingredient measures simultaneously.It is variable
The different spaces distribution of sensor makes gasmetry signal have otherness in level sensor group C, and the later period is facilitated to calculate.Gas warp
After crossing variable level sensor group C, the water conservancy diversion again of board group 11 is supported by water conservancy diversion, flows through the wide area gas sensing in sensor group 12
Device h-j measures other submembers that may be present.
Using threaded rod G, redistributing spatially can be carried out to variable level sensor group C in time, avoided repeatedly
The troublesome operation of more emat sensor saves time and raw material, simplifies operation while improving measurement accuracy.
The shifting principle of variable level sensor group C are as follows: by the angle for manually changing motor F and affixed threaded rod G
The screw thread of threaded rod G and the pedestal 14 of required sensor in sensor group C are engaged, starts motor control threaded rod later and turns
It is dynamic, relative position of the engaged sensor in slide rail group 5 is changed by screw thread rotation；Repeat this step, i.e., it is changeable variable
The space distribution situation of sensor in level sensor group C.
The beneficial effects of the utility model
1. have preposition sensor placed hole, toxic harmful gas sensor can be loaded, accomplish early warning hazard component,
Prevent production accident.
2. the flow-guiding structure with biomimetic features, increases the sensitivity and reliability of gas detection.
3. having the variable level sensor of changeable relative position, it is only same in same two-dimensional surface to change gas sensor
When the status that detects, not only reduce the flow-disturbing interference between different sensors, also add the three-dimensional space inspection of gas signal
Survey ability solves gas with various ingredient optimum measurement flow velocity different problems.
4. detector operation is simple, convenient for disassembly and assembly, replaceable different sensors collocation is used, and has detection in the short time
The ability of a variety of gas with various.
Detailed description of the invention
Fig. 1 is the structural schematic diagram with bionical flow-guiding structure Yu the gas detector of variable level sensor
Fig. 2 is the right view with bionical flow-guiding structure Yu the gas detector of variable level sensor
Fig. 3 is H-H section view in Fig. 2
Fig. 4 is the structural schematic diagram of shell A
Fig. 5 is the left view of shell A
Fig. 6 is that shell A faces semi-cutaway
Fig. 7 is the structural schematic diagram of center support B
Fig. 8 is that schematic diagram cuts open in the office of facing of center support B
Fig. 9 is the left view of center support B
Figure 10 is center support B flow-guiding structure curve synoptic diagram
Figure 11 is the right view of slide rail group 5
Figure 12 is the structural schematic diagram of aft mount D
Figure 13 faces semi-cutaway for aft mount D's
Figure 14 is the left view of aft mount D
Figure 15 is the structural schematic diagram of variable level sensor group C single-sensor frame
Figure 16 is the left view of variable level sensor group C
Figure 17 is the schematic diagram of tail portion ring plate E
Figure 18 is the left view of tail portion ring plate E
Figure 19 is the schematic diagram of threaded rod G
Figure 20 is the schematic diagram of threaded rod G left part blind hole
Figure 21 is the schematic diagram of fulcrum post H
Figure 22 is the schematic diagram on the cylindrical surface fulcrum post H
Wherein: A. shell B. center support C. can be changed the tail portion level sensor group D. aft mount E. ring plate F. motor
G. I, leading portion of threaded rod H. fulcrum post, bis- section III of II, tri- section IV of, tetra- section of 1. groove group, 2. sensor placed hole 3. is led
Flowing plate group 4. supports 5. slide rail group of board group, 6. stabilizer blade group, 7. shuttle shape section 8. standalone sensor of guide ring, 9. through-hole 10.
I 11. water conservancy diversion of blind hole supports 12. sensor group of board group, 13. sensor mounting groove, 14. pedestal, 15. blind hole, II 16. internal rail
17. I 18. pin of pin, II m. blind hole n. annular groove
Specific embodiment
It is illustrated below in conjunction with attached drawing
As shown in Figure 1-Figure 3, the utility model by shell A, center support B, variable level sensor group C, aft mount D,
Tail portion ring plate E, motor F, threaded rod G and fulcrum post H composition, wherein five variable level sensor dresses of variable level sensor group C
It fits in five sliding rails of the slide rail group 5 of center support B, and the pedestal 14 of five sensors and the sliding rail of slide rail group 5 slide and connect
It connects；In one period, 14 bottom of pedestal of only one sensor is engaged with threaded rod G in five sensors, to pass through
Threaded rod G rotation drives sensor mobile, remaining four sensor is in non-engagement state with threaded rod G at this time.
The top of six water conservancy diversion support plates of water conservancy diversion support board group 11 and upper three section III of the groove 1 of shell A in aft mount D
It is affixed.
Six stabilizer blades of stabilizer blade group 6 and the blind hole I 10 on aft mount D are affixed in center support B；It is propped up on center support B
The inner wall of 4 outer end of fagging group left part close with leading portion I and two section II in shell A is tangent, and can be carried out dismounting if necessary.
Threaded rod G is across the enclosed center of five sliding rails of slide rail group 5 in the through-hole 9, center support B of aft mount D, screw thread
The left end blind hole II 15 of bar G is flexibly connected with the pin II 18 of fulcrum post H, and the pin I 17 and center support B's of fulcrum post H is blind
III m of hole is affixed；The longitudinal axis of threaded rod G is parallel with the longitudinal axis of shell A, is not overlapped；The output shaft and threaded rod G of motor F is right
It holds affixed.
The tail portion ring plate E is affixed using glued mode and aft mount D, and the internal rail 16 and threaded rod G of tail portion ring plate are right
The annular groove n in portion is flexibly connected, and is played the role of positioning to threaded rod G axis and entire detector axis relative position, is guaranteed simultaneously
Threaded rod G will not generate excessive deformation and vibration at work.
The column of the shell A, center support B, variable level sensor group C, aft mount D, tail portion ring plate E and fulcrum post H
I 17 axis of pin is overlapped, and II 18 axis of pin of threaded rod G and fulcrum post H are overlapped, and two axial lines are parallel to each other, and distance is 1-3mm.
As shown in Figure 4-Figure 6, the shell A is linked in sequence by I, two section II, three section III and four section IV of leading portion, outside
The overall length L1 of shell A is 100-150mm, and the thickness h 2 of shell A is 6-12mm.Wherein two section II, three sections III and four section IV is
Round tube,
Two section II of length L4 is 40-75mm, and diameter d3 is 46-56mm
Three section III of length L3 is 40-55mm, and diameter d2 is 60-68mm, and three section of III inner wall is recessed equipped with being uniformly distributed along the circumference
Six grooves of slot group 1, recess width h2 are 3-5mm；
Four section IV of length L2 is 40-55mm, and diameter d1 is 60-80mm.
The diameter d4 of the left end of leading portion I is 4-8mm, and longitudinal axis of the circumference of leading portion 3 by a-b curve along shell A revolves
Circle gained, the mathematic(al) representation of a-b curve are as follows: when taking b point to be origin, to cross b point and parallel with shell A longitudinal axis straight
Line is x-axis, is to the right positive direction of the x-axis, crosses b point and is y-axis perpendicular to x-axis, when establishing coordinate system upwards for positive direction of the y-axis, table
Up to formula are as follows:
7.3 × 10-2x2+6.3 of y=1.7 × 10-3x3-× 10-2x-0.207.
As shown in Fig. 7-Figure 10, the center support B is made of stabilizer blade group 6, slide rail group 5 and water conservancy diversion board group 3, wherein leading
Sequence arranges from left to right for flowing plate group 3, slide rail group 5, standalone sensor 8 and stabilizer blade group 6, and five sliding rail right ends of slide rail group 5 are solid
Six stabilizer blades of stabilizer blade group 6 are connect, six sliding rail left ends of slide rail group 5 and the right end of water conservancy diversion board group 3 are affixed, outside water conservancy diversion board group 3
Three support plates of board group 4 are uniformly supported on circumference, the left end center of water conservancy diversion board group 3 is equipped with sensor placed hole 2.
The standalone sensor 8 is fixed in the wide guide rail upper surface center line of slide rail group 5,8 left end of standalone sensor with lead
The distance L7 of 3 right end of flowing plate group is 5-9mm, the 13 size phase of round tube of 8 round tube size of standalone sensor and variable level sensor group C
Together, internal diameter 9-12mm, wide 5-10mm；2 central axes of sensor placed hole are overlapped with gas detector central axes, and diameter d2For
8-12mm, 0.75 times of a length of diameter.
The left end center outer rim of water conservancy diversion board group 3 is equipped with the guide ring 7 with shuttle shape section；Water conservancy diversion board group 3 is L long1For 15-
30mm, outer layer revolving structure radius r2For 14-22mm, middle layer revolving structure radius r1For 12-18mm, and contain center thickness
L6For the shuttle shape section guide ring 7 of 2-4mm, in which:
It is to the left positive direction of the x-axis using the place f-i straight line as x-axis when taking f point to be origin, crosses f point and be y perpendicular to x-axis
Axis, when establishing coordinate system upwards for positive direction of the y-axis,
C-d sections of curvilinear equations are as follows: y=-3.3 × 10-2x2+0.492x+11.338
J-e sections of curvilinear equations are as follows: 2 × 10-2x2+0.236x+2.985 of y=7 × 10-4x3-
I-k-f sections of curvilinear equations are as follows: y=-0.01x2+0.2x
I-l-f sections of curvilinear equations are as follows: y=0.01x2-0.2x
H-g sections of curvilinear equations are as follows: y=-7 × 10-4x3+2 × 10-2x2-0.236x-2.985.
As shown in Figure 15 and Figure 16, the variable level sensor group C is made of five sensors, and sensor is round tube
The outside of shape, round tube 13 is equipped with pedestal 14；13 internal diameter of round tube is 9-12mm, wide 5-10mm.
As shown in figs. 12-14, the aft mount D overall length 40-55mm, by six rib pipes, sensor group 12 and water conservancy diversion branch
Fagging group 11 forms, and the center of aft mount D is equipped with through-hole 9, diameter 6-9mm；Left end tube wall is equipped with and is made of six blind holes
Blind hole group 10, a length of 5-7mm of blind hole are affixed with the stabilizer blade group 6 of center support B；Water conservancy diversion supports that board group 11 is 25-32mm long, width 1-
3mm, high 23-28mm possess six that six water conservancy diversion support plates that chamfering diameter includes by 1-3mm are distributed in six rib pipe left parts
Corner angle, angle α are 60 °, and three sensors of sensor group 12 are distributed on three faceted pebbles of six rib pipe right parts, the sensor center of circle
High 10-15mm, diameter 8-10mm, wall thickness 1-2mm.
As shown in Figure 17 and Figure 18, the tail portion ring plate E width is 2-3mm, and the annular that contained internal rail 16 is 300 ° is logical
Hole, internal rail center line are 1-3mm apart from tail portion ring plate E axial line distance.
As shown in figure 21 and figure, the pin I 17 of the fulcrum post H and II 18 diameter of pin are 1-1.5mm, a length of 2-
4mm；Pin I 17 is parallel with II 18 axis of pin, and distance is 1-3mm.Fulcrum post total length is 4-8mm.
Claims (7)
1. a kind of gas detector with bionical flow-guiding structure Yu variable level sensor, it is characterised in that: by shell (A), in
Heart support (B), variable level sensor group (C), aft mount (D), tail portion ring plate (E), motor (F), threaded rod (G) and fulcrum post
(H) it forms, wherein five variable level sensors of variable level sensor group (C) are assemblied in the slide rail group (5) of center support (B)
In five sliding rails, and the pedestal (14) of five sensors and the sliding rail of slide rail group (5) are slidably connected；In one period, five
Pedestal (14) bottom of only one sensor is engaged with threaded rod (G) in sensor；Water conservancy diversion supports board group in aft mount (D)
(11) top of six water conservancy diversion support plates and six grooves of the groove group (1) of shell (A) upper three sections (III) are affixed；Center branch
Six stabilizer blades of stabilizer blade group (6) and six blind holes of the blind hole group (10) on aft mount (D) are affixed in seat (B)；Center support
(B) upper backup pad group (4) outer end and the inner wall of leading portion (I) in shell (A) and two sections (II) nearly left parts are tangent, and can be carried out and tear open
Dress；During threaded rod (G) is enclosed across five sliding rails of slide rail group (5) in the through-hole (9) of aft mount (D), center support (B)
The left end blind hole II (15) of the heart, threaded rod (G) is flexibly connected with the pin II (18) of fulcrum post (H), the pin I of fulcrum post (H)
(17) affixed with the blind hole III (m) of center support (B)；The longitudinal axis of threaded rod (G) is parallel with the longitudinal axis of shell (A), does not weigh
It closes；The output shaft of motor (H) and threaded rod (G) right end are affixed；The tail portion ring plate (E) is using glued mode and aft mount
(D) affixed, the internal rail (16) of tail portion ring plate is flexibly connected with the annular groove (n) of threaded rod (G) right part；The shell (A), center
Support (B), pin I (17) the axis weight that can be changed level sensor group (C), aft mount (D), tail portion ring plate (E) and fulcrum post (H)
It closes, pin II (18) axis of threaded rod (G) and fulcrum post (H) is overlapped, and two axial lines are parallel to each other, and distance is 1-3mm.
2. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
The shell (A) is linked in sequence by leading portion (I), two sections (II), three sections (III) and four sections (IV), the overall length of shell (A)
L1 is 100-150mm, and the thickness h 2 of shell (A) is 6-12mm；Wherein two sections (II), three sections (III) and four sections (IV) are circle
Pipe；Two sections (II) of length L4 is 40-75mm, and diameter d3 is 46-56mm；Three sections (III) of length L3 is 40-55mm, diameter d2
For 60-68mm, three sections of (III) inner walls are equipped with six grooves of the groove group (1) being uniformly distributed along the circumference, and recess width h2 is 3-5mm；
Four sections (IV) of length L2 is 40-55mm, and diameter d1 is 60-80mm；The diameter d4 of the left end of leading portion (I) is 4-8mm, leading portion
(I) circumference by a-b curve along the longitudinal axis of shell (A) rotate a circle gained, the mathematic(al) representation of a-b curve are as follows: when
Taking b point is origin, is to the right positive direction of the x-axis to cross b point and the straight line parallel with shell A longitudinal axis as x-axis, crosses b point and vertical
It is y-axis in x-axis, when being upwards that positive direction of the y-axis establishes coordinate system, expression formula are as follows:
7.3 × 10-2x2+6.3 of y=1.7 × 10-3x3-× 10-2x-0.207.
3. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
The center support (B) is made of stabilizer blade group (6), slide rail group (5) and water conservancy diversion board group (3), wherein water conservancy diversion board group (3), sliding rail
Sequence arranges from left to right for group (5), standalone sensor (8) and stabilizer blade group (6), five affixed branch of sliding rail right end of slide rail group (5)
Six stabilizer blades of foot group (6), six sliding rail left ends of slide rail group (5) and the right end of water conservancy diversion board group (3) are affixed, water conservancy diversion board group (3)
Excircle on uniformly support three support plates of board group (4), the left end center of water conservancy diversion board group (3) is equipped with sensor placed hole
(2)；The standalone sensor (8) is fixed in the wide guide rail upper surface center line of slide rail group (5), standalone sensor (8) left end with
The distance L7 of water conservancy diversion board group (3) right end is 5-9mm, the round tube of standalone sensor (8) round tube size and variable level sensor group (C)
(13) size is identical, internal diameter 9-12mm, wide 5-10mm；Sensor placed hole (2) central axes and gas detector central axes weight
It closes, and diameter d2For 8-12mm, 0.75 times of a length of diameter；The left end center outer rim of water conservancy diversion board group (3) is equipped with cuts with shuttle shape
The guide ring (7) in face；Water conservancy diversion board group (3) long L1For 15-30mm, outer layer revolving structure radius r2It is turned round for 14-22mm, middle layer
Structure radius r1For 12-18mm, and contain center thickness L6For the shuttle shape section guide ring (7) of 2-4mm, in which:
It is to the left positive direction of the x-axis using the place f-i straight line as x-axis when taking f point to be origin, crosses f point and be y-axis perpendicular to x-axis, to
When above establishing coordinate system for positive direction of the y-axis:
C-d sections of curvilinear equations are as follows: y=-3.3 × 10-2x2+0.492x+11.338
J-e sections of curvilinear equations are as follows: 2 × 10-2x2+0.236x+2.985 of y=7 × 10-4x3-
I-k-f sections of curvilinear equations are as follows: y=-0.01x2+0.2x
I-l-f sections of curvilinear equations are as follows: y=0.01x2-0.2x
H-g sections of curvilinear equations are as follows: y=-7 × 10-4x3+2 × 10-2x2-0.236x-2.985.
4. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
The variable level sensor group (C) is made of five sensors, and sensor is tubular, and the outside of round tube (13) is equipped with pedestal
(14)；Round tube (13) internal diameter is 9-12mm, wide 5-10mm.
5. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
Described aft mount (D) the overall length 40-55mm is made of, tail portion six rib pipes, sensor group (12) and water conservancy diversion support board group (11)
The center of support (D) is equipped with through-hole (9), diameter 6-9mm；Left end tube wall is equipped with the blind hole group (10) being made of six blind holes, blind
The a length of 5-7mm in hole, it is affixed with the stabilizer blade group (6) of center support (B)；Water conservancy diversion supports board group (11) long 25-32mm, width 1-3mm, height
23-28mm possesses six corner angle that six water conservancy diversion support plates that chamfering diameter includes by 1-3mm are distributed in six rib pipe left parts,
Angle α is 60 °, and three sensors of sensor group (12) are distributed on three faceted pebbles of six rib pipe right parts, and the sensor center of circle is high
10-15mm, diameter 8-10mm, wall thickness 1-2mm.
6. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
Tail portion ring plate (E) width is 2-3mm, and the annular through-hole that contained internal rail (16) is 300 °, internal rail center line is apart from tail portion
Ring plate (E) axial line distance is 1-3mm.
7. the gas detector according to claim 1 with bionical flow-guiding structure and variable level sensor, it is characterised in that:
The pin I (17) and pin II (18) diameter of the fulcrum post (H) are 1-1.5mm, a length of 2-4mm；Pin I (17) and pin
II (18) axis is parallel, and distance is 1-3mm；Fulcrum post total length is 4-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498273.7U CN208476879U (en) | 2018-04-10 | 2018-04-10 | A kind of gas detector with bionical flow-guiding structure Yu variable level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498273.7U CN208476879U (en) | 2018-04-10 | 2018-04-10 | A kind of gas detector with bionical flow-guiding structure Yu variable level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476879U true CN208476879U (en) | 2019-02-05 |
Family
ID=65206407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498273.7U Withdrawn - After Issue CN208476879U (en) | 2018-04-10 | 2018-04-10 | A kind of gas detector with bionical flow-guiding structure Yu variable level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333315A (en) * | 2018-04-10 | 2018-07-27 | 吉林大学 | A kind of gas detector with bionical flow-guiding structure and variable level sensor |
-
2018
- 2018-04-10 CN CN201820498273.7U patent/CN208476879U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333315A (en) * | 2018-04-10 | 2018-07-27 | 吉林大学 | A kind of gas detector with bionical flow-guiding structure and variable level sensor |
| CN108333315B (en) * | 2018-04-10 | 2023-10-17 | 吉林大学 | Gas detector with bionic flow guide structure and variable position sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108333315A (en) | A kind of gas detector with bionical flow-guiding structure and variable level sensor | |
| CN208476879U (en) | A kind of gas detector with bionical flow-guiding structure Yu variable level sensor | |
| CN103983312B (en) | Bullet-nose flow straightener | |
| CN104800905B (en) | Anticoagulant control system for sampled plasma | |
| CN110045144A (en) | A kind of closed conduct flow rate of liquid distribution method for automatic measurement and device | |
| Ye et al. | Helical capacitance sensor-based gas fraction measurement of gas–liquid two-phase flow in vertical tube with small diameter | |
| CN106996818A (en) | A kind of water meter fully-automatic laser gathers checking table | |
| CN209131738U (en) | A kind of flowmeter | |
| CN104258485B (en) | Infusion pump/infusion pump detector integrated correction device | |
| CN109489740A (en) | Unload oil flowmeter | |
| CN215953278U (en) | Liquid density detection sensor and liquid density on-line monitoring device | |
| CN205514560U (en) | Blood velocity of flow is observed and is surveyed buret | |
| CN209247077U (en) | One kind unloading oil flowmeter | |
| CN205102832U (en) | Simple and easy levelness measuring apparatu | |
| CN201173839Y (en) | Mechanical type differential pressure meter with temperature and humidity directive function | |
| CN104337521A (en) | Totalizing flowmeter and operating method | |
| CN208984149U (en) | A kind of Pi Tuoba flowmeter | |
| CN109632019A (en) | Flowmeter | |
| CN205538663U (en) | Infrared gas detecting system | |
| CN208447592U (en) | The structure that is covered with dust of lung function instrument | |
| CN205785649U (en) | Blade damp type optical fiber differential pressure pickup is popped one's head in | |
| CN2480811Y (en) | Three-phase flow mixing transfusion measurer | |
| CN205650216U (en) | Laboratory meter | |
| CN109403951A (en) | Oil well three-phase metering integrated apparatus | |
| CN208805234U (en) | Gas turbine flowmeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20231017 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190205 Effective date of abandoning: 20231017 |