CN109520702A - A kind of aquatic products water jet force parameter test method and its experimental rig - Google Patents
A kind of aquatic products water jet force parameter test method and its experimental rig Download PDFInfo
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- CN109520702A CN109520702A CN201811622914.6A CN201811622914A CN109520702A CN 109520702 A CN109520702 A CN 109520702A CN 201811622914 A CN201811622914 A CN 201811622914A CN 109520702 A CN109520702 A CN 109520702A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000010998 test method Methods 0.000 title claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 90
- 238000004140 cleaning Methods 0.000 claims abstract description 52
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000013461 design Methods 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 7
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- 238000002474 experimental method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
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- 241000251511 Holothuroidea Species 0.000 description 4
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- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241001482630 Epinnula magistralis Species 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Abstract
The invention belongs to field of processing of aquatic products, and in particular to a kind of aquatic products water jet force parameter test method and its experimental rig.This method includes design, sensor arrangement, the force parameter calibration and force parameter compensation of aquatic products force test device；Aquatic products force test device carries the main structure of aquatic products, generates differently strained variation according to aquatic products mechanics of surface parameter；Sensor arrangement is for testing different directions strain variation；Force parameter calibration is for demarcating power and testing the relationship between strain parameter；Force parameter compensation is for compensating the influence of other factors during water jet；Its experimental rig includes aquatic products force test device, mechanical body, cleaning device, conveying device and auxiliary protection device；The present invention realizes the validity test of aquatic products active force, takes calibration and compensation, test result is more accurate；Experimental rig can be realized the adjustment of the water jets parameter such as angle, height, pressure, optimize water jet design parameter；It is cleaned suitable for a variety of different aquatic products.
Description
Technical field
The invention belongs to field of processing of aquatic products, and in particular to a kind of aquatic products water jet force parameter test method and its examination
Experiment device.
Background technique
The aquatic products such as fish, sea cucumber need surface horny layer (fish scale, cuticula, mucous membrane etc.) to go in its process
It removes.The mode of the aquatic products surface clean such as fish, sea cucumber mainly has mechanical friction, chemical removal, water jet etc. both at home and abroad at present,
Wherein water jet mode was answered in aquatic products depth surface cleaning field due to the features such as pollution-free, surface is lossless, efficiently clean
With more and more extensive.The water-jet that releases one after another both at home and abroad flows away fish scale and sea cucumber surface, such as South Korea DOMINE, the prosperous rich and phase of sunshine
Answer patent: a kind of fish scaling all-in-one machine (CN107549280A0), a kind of multi-functional fish products processing pretreating device
(CN205431831U), the surface cleanings device such as a kind of high-pressure water descaling method (CN106140843B) for alloy-steel plate.
However above-mentioned aquatic products Water jet equipment is mostly the surface cleaning in aquatic products production, the determination of stream parameters is usual
Cleaning effect is observed by technical staff to debug it, there is no aquatic products water jet force parameter test method and experimental rig.No
Same type aquatic products need much water active forces can be realized surface clean optimum efficiency and aquatic products surface it is axial, it is radial,
The coupled relation of the active force of vertical direction is unclear, and water jet parameter (angle, height, pressure etc.) and aquatic products table
Incidence relation between the mechanics parameter (axial, radial, vertical) in face is not still apparent, and understand fully and determine water jet force parameter with
Aquatic products degree of cleaning and water jet parameter association relationship are to realize aquatic products water jet Parameters Optimal Design, reach best
It cleans or scales the key of effect and basic, therefore there is an urgent need to a kind of aquatic products water jet force parameter method and experimental rig,
Realize that different aquatic products individual types, size carry out the test of water jets impact force parameter and test.
Summary of the invention
Present invention seek to address that above-mentioned deficiency, three direction active forces of aquatic products under the conditions of a kind of water jet are provided
Test method and device with the test method can be realized the adjustment of the water parameter such as water jet height, angle, pressure, flow
Experimental rig, provide best examination for the cleaning of subsequent aquatic products, the theoretical calculation for the aquatic products mechanics of surface parameter such as scale
Data are tested, provide technical support for the best water jet parameter testing of aquatic products.
In order to achieve the above object, present invention employs technical solutions below:
A kind of experimental rig of aquatic products water jet force parameter test method, including aquatic products force test device 1, mechanical master
Body 2, cleaning device 3, conveying device 4 and auxiliary protection device 5；
The aquatic products force test device 1 is used to test strain and the water flow impact pressure in x, y, z direction, mainly by frame
11, aquatic products 12, metal mesh 13, cantilever column 14 is tested to form；The frame 11 is elongated cantilever beam support, 11 bottom of frame
Portion is fixed there are four the cantilever column 14 of cantilever beam structure, is used to support aquatic products force test device 1；The metal mesh 13 is installed
In in the middle part frame slot of frame 11, using fine-structure mesh braiding structure, reduces active force of the jet action on metal mesh 13, make aquatic products
Product force test device 1 tests the active force that obtained result is tested 12 surface of aquatic products；The tested aquatic products 12 are logical
It crosses fine filaments and is fixed on 13 upper surface of metal mesh；
The mechanical body 2 includes bottom tub, sink, downcomer, main frame intermediate bulkhead and main frame, for other dresses
The support set；The upper end mounting seat slot of the main frame, centre welding main frame intermediate bulkhead, sink is arranged in lower end；It is described
Downcomer passes through main frame intermediate bulkhead, and both ends are connected with bottom tub and sink respectively；Waste material, waste water in bottom tub pass through
Downcomer flows into sink；
The cleaning device 3 is placed in bottom tub, including cleaning regulating device 31, cleaning executive device 32 and cleaning driving
Device 33；The cleaning regulating device 31 is door shape frame, and sliding slot is equipped in two side frames, installs horizontal bracket in sliding slot,
By upper and lower position of the mechanical adjustment horizontal bracket in sliding slot, for carrying out height according to the requirement of different height in testing
It adjusts；Otic placode is equipped in the middle part of horizontal bracket lower end；The cleaning executive device 32 includes L-type plate, nozzle and water pipe；The L-type
The vertical end of plate is hinged on the otic placode of horizontal bracket lower end, can be rotated around otic placode and be carried out angular adjustment；Nozzle is connected with water pipe,
The horizontal ends of L-type plate are inserted into, according to the requirement of different angle, the angle of mechanical adjustment L-type plate in test；The cleaning driving dress
Setting 33 includes cleaning driving motor, feed belt, water pump, throttle valve, driven wheel, engineering for pump housing, driving wheel and motor base；Institute
Cleaning driving motor is stated to be fixed on main frame intermediate bulkhead by motor base；The driving wheel is fixed on cleaning by flat key
On the driving shaft of driving motor；The water pump is connect with engineering for pump housing, and engineering for pump housing is fixed on main frame intermediate bulkhead；It is described
Driven wheel is fixed on the driving shaft of water pump by flat key；The feed belt is tightly placed between driving wheel, driven wheel；The section
Stream valve realizes that water pipe one end is connect with water pump, according to the requirement of different hydraulic pressure, regulates and controls throttle valve, realizes the adjusting of water flow hydraulic pressure；
The conveying device 4 passes through cleaning device 3 and is placed in bottom tub in the y-direction, and aquatic products force test device 1 is placed in
In conveying device 4；Conveying device 4 is driven to drive aquatic products force test device 1 is automatic in the y-direction to advance；
The auxiliary protection device 5 is mounted on 2 main frame of mechanical body periphery, for guaranteeing testing equipment in operational process
With the safety of personnel.
A kind of aquatic products water jet force parameter test method, the test dress based on aquatic products water jet force parameter test method
It sets, design, sensor arrangement, force parameter calibration and force parameter compensation including aquatic products force test device 1；The test of aquatic products power
Device 1 carries the main structure of aquatic products, generates differently strained variation according to aquatic products surface force parameters；Sensor arrangement is used for
Test different directions strain variation；Force parameter calibration is for demarcating all directions power and testing the relationship between strain parameter；Power ginseng
Number compensation is realized more acurrate for compensating the influence of other factors during water jet in addition to acting on aquatic products surface force
Force parameter test；
Steps are as follows for aquatic products water jet force parameter test method:
Step 1, the design of aquatic products force test device 1
Step 2, sensor arrangement
In the direction x of aquatic products force test device 1, resistance strain type sensor is arranged on the direction y and the direction z；The direction x
Resistance strain type sensor is bonded in the face the yoz two sides of four cantilever columns 14；The resistance strain type sensor in the direction y is bonded in
The face the xoz two sides of four cantilever columns 14；The resistance strain type sensor in the direction z is bonded in the face the xoy two sides of 11 bracket of frame；
Step 3, force parameter calibration
Tensiometer is respectively adopted and realizes different size of active force in the x, y, z direction of aquatic products force test device 1, respectively
The experimental data that aquatic products force test device 1 strains in x, y, z direction is obtained, obtained multi-group data is used into data fitting side
Method, calibration aquatic products force test device 1 x, y, z direction coefficient are respectively Kx=Fx0/εx0、Ky=Fy0/εy0、Kz=Fz0/εz0,
The relation curve between strain and power demarcated；
For Water Jet Impact when on tested 12 surface of aquatic products, cantilever column 14 is to x, y under the action of water jet power
Bend deformation on direction, and the resistance strain type sensor on cantilever column 14 experiences deformation, and resistance changes, and leads to
It crosses measuring circuit and is converted to electric signal output, obtain 14 strain stress of the direction x, y cantilever columnx、εy, according to the strain of calibration and power it
Between coefficient obtain the direction x, y water flow impact pressure Fx、Fy；Tested aquatic products 12 make metal under the action of water jets impact power
Net 13 is under pressure and deforms, metal mesh 13 deformation make frame 11 to the direction z deformation occurs, obtain the direction z frame 11 and answer
Become εz, and then obtain the direction z water flow impact pressure Fz；
Step 4, force parameter compensation
The tested cleaning of aquatic products 12 or test of scaling are carried out using water jet, obtained in x, y, z direction strain stressx、εy、εz
Afterwards, tested aquatic products 12 are removed, in the case that other conditions are constant, then carry out multiple groups and similarly test, obtains x, y, z side
To strain stressx1、εy1、εz1, then it is Δ ε that water jet acts on the strain that tested 12 surface of aquatic products generates completelyx=εx-εx1、
Δεy=εy-εy1、Δεz=εz-εz1, active force Fx=KxΔεx、Fy=KyΔεy、Fz=KzΔεz；It is removed by penalty method
The influence of tested 12 self gravity of aquatic products and frame 11 and metal mesh 13.
The data fitting method of the force parameter calibration is least square method.
The invention has the benefit that 1. aquatic products water jet force parameter test devices and method proposed by the present invention can be with
It realizes the validity test of three direction active forces of aquatic products, and takes corresponding calibration and compensation method, test result is more
Accurately；2. aquatic products water jet experimental rig of the invention can be realized the water jets ginseng such as angle, height, pressure during test
Number adjustment optimizes water jet design parameter for analyzing the relationship between water jet parameter and aquatic products surface force parameters；3.
The aquatic products experimental rig that invention device provides is suitable for a variety of different aquatic products cleaning researchs, the mucous membrane including sea cucumber surface
With cuticula cleaning, fish surface fish scale removal etc. some aquatic products cleaning experiments.
Detailed description of the invention
Fig. 1 is aquatic products water jet force parameter test method total figure frame；
Fig. 2 is three-dimensional structure diagram of test device of the invention；
Fig. 3 is test device sensor fitting arrangement of the invention；
Fig. 4 is power calibrated and calculated curve graph of the invention；
Fig. 5 is penalty method schematic perspective view of the invention；
Fig. 6 is the experimental rig schematic perspective view comprising aquatic products force test device；
Fig. 7 is the experimental rig schematic perspective view not comprising aquatic products force test device.
In figure: 1 aquatic products force test device；11 frames；12 tested aquatic products；13 metal meshes；14 cantilever columns；2 machines
Tool main body；3 cleaning devices；31 cleaning regulating devices；32 cleaning executive devices；33 cleaning driving devices；4 conveying devices；5 auxiliary
Protective device.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiment is shown in the accompanying drawings, wherein it is identical from beginning to end or
Similar label indicates same or similar element, element with the same or similar functions.It is described below with reference to attached drawing
Embodiment be exemplary, for explaining only the invention, and be not construed as limiting the claims.
As shown in fig. 6, a kind of experimental rig of aquatic products water jet force parameter test method, including aquatic products power test dress
Set 1, mechanical body 2, cleaning device 3, conveying device 4 and auxiliary protection device 5；
As shown in Fig. 2, the aquatic products force test device 1 is used to test strain and the water flow impact pressure in x, y, z direction,
Mainly it is made of frame 11, tested aquatic products 12, metal mesh 13, cantilever column 14；The frame 11 is elongated cantilever beam branch
Frame, 11 bottom of frame is fixed there are four the cantilever column 14 of cantilever beam structure, is used to support aquatic products force test device 1；It is described
Metal mesh 13 is installed in the middle part frame slot of frame 11, using fine-structure mesh braiding structure, reduces jet action on metal mesh 13
Active force makes aquatic products force test device 1 test the active force that obtained result is tested 12 surface of aquatic products；It is described tested
It tries aquatic products 12 and is fixed on 13 upper surface of metal mesh by fine filaments；
The mechanical body 2 includes bottom tub, sink, downcomer, main frame intermediate bulkhead and main frame, for other dresses
The support set；The upper end mounting seat slot of the main frame, centre welding main frame intermediate bulkhead, sink is arranged in lower end；It is described
Downcomer passes through main frame intermediate bulkhead, and both ends are connected with bottom tub and sink respectively；Waste material, waste water in bottom tub pass through
Downcomer flows into sink；
As shown in fig. 7, the cleaning device 3 is placed in bottom tub, including cleaning regulating device 31, cleaning executive device 32
With cleaning driving device 33；The cleaning regulating device 31 is door shape frame, and sliding slot, installation in sliding slot are equipped in two side frames
Horizontal bracket, by upper and lower position of the mechanical adjustment horizontal bracket in sliding slot, for the requirement in testing according to different height
Carry out the adjusting of height；Otic placode is equipped in the middle part of horizontal bracket lower end；The cleaning executive device 32 includes L-type plate, nozzle and water
Pipe；The vertical end of the L-type plate is hinged on the otic placode of horizontal bracket lower end, can be rotated around otic placode and be carried out angular adjustment；Nozzle
It is connected with water pipe, is inserted into the horizontal ends of L-type plate, according to the requirement of different angle, the angle of mechanical adjustment L-type plate in test；Institute
Stating cleaning driving device 33 includes cleaning driving motor, feed belt, water pump, throttle valve, driven wheel, engineering for pump housing, driving wheel
And motor base；The cleaning driving motor is fixed on main frame intermediate bulkhead by motor base；The driving wheel passes through
Flat key is fixed on the driving shaft of cleaning driving motor；The water pump is connect with engineering for pump housing, and engineering for pump housing is fixed on main frame
On intermediate bulkhead；The driven wheel is fixed on the driving shaft of water pump by flat key；The feed belt be tightly placed in driving wheel, from
Between driving wheel；The throttle valve realizes that water pipe one end is connect with water pump, according to the requirement of different hydraulic pressure, regulates and controls throttle valve, realizes
The adjusting of water flow hydraulic pressure；
The conveying device 4 passes through cleaning device 3 and is placed in bottom tub in the y-direction, and aquatic products force test device 1 is placed in
In conveying device 4；Conveying device 4 is driven to drive aquatic products force test device 1 is automatic in the y-direction to advance；
The auxiliary protection device 5 is mounted on 2 main frame of mechanical body periphery, for guaranteeing testing equipment in operational process
With the safety of personnel.
In conjunction with Fig. 1, a kind of aquatic products water jet force parameter test method, design, biography including aquatic products force test device 1
Sensor arrangement, force parameter calibration and force parameter compensation；Aquatic products force test device 1 carries the main structure of aquatic products, according to water
Product surface force parameter generates differently strained variation；Sensor arrangement is for testing different directions strain variation；Force parameter calibration
For demarcating all directions power and testing the relationship between strain parameter；Force parameter compensation is for compensating during water jet except work
More accurate force parameter test is realized in the influence of other factors outside aquatic products surface force；
Steps are as follows for aquatic products water jet force parameter test method:
Step 1, the design of aquatic products force test device 1
Step 2, sensor arrangement
In conjunction with Fig. 3, resistance-strain type sensing is arranged in the direction x of aquatic products force test device 1, on the direction y and the direction z
Device；The resistance strain type sensor in the direction x is bonded in the face the yoz two sides of four cantilever columns 14；The resistance-strain type in the direction y passes
Sensor is bonded in the face the xoz two sides of four cantilever columns 14；The resistance strain type sensor in the direction z is bonded in 11 bracket of frame
The face xoy two sides；
Step 3, force parameter calibration
In conjunction with Fig. 4, tensiometer is respectively adopted in the x, y, z direction of aquatic products force test device 1 and realizes different size of work
Firmly, the experimental data that aquatic products force test device 1 strains in x, y, z direction is obtained respectively, and obtained multi-group data is used
Data fitting method, calibration aquatic products force test device 1 x, y, z direction coefficient are respectively Kx=Fx0/εx0、Ky=Fy0/εy0、
Kz=Fz0/εz0, the relation curve between strain and power demarcated；
For Water Jet Impact when on tested 12 surface of aquatic products, cantilever column 14 is to x, y under the action of water jet power
Bend deformation on direction, and the resistance strain type sensor on cantilever column 14 experiences deformation, and resistance changes, and leads to
It crosses measuring circuit and is converted to electric signal output, obtain 14 strain stress of the direction x, y cantilever columnx、εy, according to the strain of calibration and power it
Between coefficient obtain the direction x, y water flow impact pressure Fx、Fy；Tested aquatic products 12 make metal under the action of water jets impact power
Net 13 is under pressure and deforms, metal mesh 13 deformation make frame 11 to the direction z deformation occurs, obtain the direction z frame 11 and answer
Become εz, and then obtain the direction z water flow impact pressure Fz；
Step 4, force parameter compensation
In conjunction with Fig. 5, the tested cleaning of aquatic products 12 or test of scaling are carried out using water jet, obtain answering in x, y, z direction
Become εx、εy、εzAfterwards, tested aquatic products 12 are removed, in the case that other conditions are constant, then carry out multiple groups and similarly test, obtains
To x, y, z direction strain stressx1、εy1、εz1, then it is Δ ε that water jet acts on the strain that tested 12 surface of aquatic products generates completelyx
=εx-εx1、Δεy=εy-εy1、Δεz=εz-εz1, active force Fx=KxΔεx、Fy=KyΔεy、Fz=KzΔεz；Pass through benefit
Repay the influence that method removes tested 12 self gravity of aquatic products and frame 11 and metal mesh 13.
The data fitting method of the force parameter calibration is least square method.
Claims (3)
1. a kind of experimental rig of aquatic products water jet force parameter test method, which is characterized in that the aquatic products water jet power
Parameter experiment device includes aquatic products force test device (1), mechanical body (2), cleaning device (3), conveying device (4) and auxiliary
Protective device (5)；
The aquatic products force test device (1) is used to test strain and the water flow impact pressure in x, y, z direction, mainly by frame
(11), aquatic products (12), metal mesh (13), cantilever column (14) composition are tested；The frame (11) is elongated cantilever beam branch
Frame, frame (11) bottom is fixed there are four the cantilever column (14) of cantilever beam structure, is used to support aquatic products force test device
(1)；The metal mesh (13) is installed in the middle part frame slot of frame (11), using fine-structure mesh braiding structure, reduces jet action and exists
Active force on metal mesh (13), the result for obtaining aquatic products force test device (1) test are tested aquatic products (12) table
The active force in face；The tested aquatic products (12) are fixed on metal mesh (13) upper surface by fine filaments；
The mechanical body (2) includes bottom tub, sink, downcomer, main frame intermediate bulkhead and main frame, is used for other devices
Support；The upper end mounting seat slot of the main frame, centre welding main frame intermediate bulkhead, sink is arranged in lower end；Under described
Water pipe passes through main frame intermediate bulkhead, and both ends are connected with bottom tub and sink respectively；Under waste material, waste water in bottom tub pass through
Water pipe flows into sink；
The cleaning device (3) is placed in bottom tub, including cleaning regulating device (31), cleaning executive device (32) and cleaning are driven
Dynamic device (33)；The cleaning regulating device (31) is door shape frame, and sliding slot is equipped in two side frames, and installation is horizontal in sliding slot
Bracket, by upper and lower position of the mechanical adjustment horizontal bracket in sliding slot, for being carried out in testing according to the requirement of different height
The adjusting of height；Otic placode is equipped in the middle part of horizontal bracket lower end；The cleaning executive device (32) includes L-type plate, nozzle and water pipe；
The vertical end of the L-type plate is hinged on the otic placode of horizontal bracket lower end, can be rotated around otic placode and be carried out angular adjustment；Nozzle and water
Pipe is connected, the horizontal ends of insertion L-type plate, according to the requirement of different angle, the angle of mechanical adjustment L-type plate in test；It is described clear
Wash driving device (33) include cleaning driving motor, feed belt, water pump, throttle valve, driven wheel, engineering for pump housing, driving wheel and
Motor base；The cleaning driving motor is fixed on main frame intermediate bulkhead by motor base；The driving wheel passes through flat
Key is fixed on the driving shaft of cleaning driving motor；The water pump is connect with engineering for pump housing, and engineering for pump housing is fixed in main frame
On spacing board；The driven wheel is fixed on the driving shaft of water pump by flat key；The feed belt is tightly placed in driving wheel, driven
Between wheel；The throttle valve realizes that water pipe one end is connect with water pump, according to the requirement of different hydraulic pressure, regulates and controls throttle valve, realizes water
The adjusting of flowing water pressure；
The conveying device (4) passes through cleaning device (3) and is placed in bottom tub in the y-direction, and aquatic products force test device (1) is placed
In on conveying device (4)；Conveying device (4) are driven to drive aquatic products force test device (1) is automatic in the y-direction to advance；
The auxiliary protection device (5) is mounted on mechanical body (2) main frame periphery, for guaranteeing testing equipment in operational process
With the safety of personnel.
2. a kind of aquatic products water jet force parameter test method, which is characterized in that the aquatic products water jet force parameter test side
Method is based on experimental rig described in claim 1, design, sensor arrangement including aquatic products force test device (1), force parameter
Calibration and force parameter compensation；Aquatic products force test device (1) carries the main structure of aquatic products, according to aquatic products surface force parameters
Generate differently strained variation；Sensor arrangement is for testing different directions strain variation；Force parameter is demarcated for demarcating each side
Xiang Liyu tests the relationship between strain parameter；Force parameter compensation acts on aquatic products surface for compensating to remove during water jet
More accurate force parameter test is realized in the influence of other factors outside power；
Steps are as follows for aquatic products water jet force parameter test method:
Step 1, the design of aquatic products force test device (1)
Step 2, sensor arrangement
In the direction x of aquatic products force test device (1), resistance strain type sensor is arranged on the direction y and the direction z；The electricity in the direction x
Resistance strain gauge transducer is bonded in the face the yoz two sides of four cantilever columns (14)；The resistance strain type sensor in the direction y is bonded in
The face the xoz two sides of four cantilever columns (14)；The resistance strain type sensor in the direction z is bonded in the face xoy of frame (11) bracket
Two sides；
Step 3, force parameter calibration
Tensiometer is respectively adopted and realizes different size of active force in the x, y, z direction of aquatic products force test device (1), obtains respectively
The experimental data that aquatic products force test device (1) strains in x, y, z direction is obtained, obtained multi-group data is used into data fitting side
Method, calibration aquatic products force test device (1) x, y, z direction coefficient are respectively Kx=Fx0/εx0、Ky=Fy0/εy0、Kz=Fz0/
εz0, the relation curve between strain and power demarcated；
For Water Jet Impact when on tested aquatic products (12) surface, cantilever column (14) is to x, y under the action of water jet power
Bend deformation on direction, and the resistance strain type sensor on cantilever column (14) experiences deformation, and resistance changes,
It is converted to electric signal output by measuring circuit, obtains the direction x, y cantilever column (14) strain stressx、εy, according to the strain of calibration with
Coefficient between power obtains the direction x, y water flow impact pressure Fx、Fy；Tested aquatic products (12) are under the action of water jets impact power
So that metal mesh (13) is under pressure and is deformed, metal mesh (13) deformation make frame (11) to the direction z deformation occurs, obtain z
Direction frame (11) strain stressz, and then obtain the direction z water flow impact pressure Fz；
Step 4, force parameter compensation
Tested aquatic products (12) cleaning or test of scaling are carried out using water jet, obtained in x, y, z direction strain stressx、εy、εz
Afterwards, tested aquatic products (12) are removed, in the case that other conditions are constant, then carry out multiple groups and similarly test, obtains x, y, z
Direction strain stressx1、εy1、εz1, then it is Δ ε that water jet acts on the strain of tested aquatic products (12) surface generation completelyx=εx-
εx1、Δεy=εy-εy1、Δεz=εz-εz1, active force Fx=KxΔεx、Fy=KyΔεy、Fz=KzΔεz；Pass through penalty method
Remove the influence of tested aquatic products (12) self gravity and frame (11) and metal mesh (13).
3. a kind of aquatic products water jet force parameter test method according to claim 2, which is characterized in that the force parameter
The data fitting method of calibration is least square method.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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