CN110219929A - A kind of variable damping damper of variable volume - Google Patents
A kind of variable damping damper of variable volume Download PDFInfo
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- CN110219929A CN110219929A CN201910638632.3A CN201910638632A CN110219929A CN 110219929 A CN110219929 A CN 110219929A CN 201910638632 A CN201910638632 A CN 201910638632A CN 110219929 A CN110219929 A CN 110219929A
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- spring
- injection valve
- compressed gas
- wall
- valve
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- 238000013016 damping Methods 0.000 title claims abstract description 67
- 230000011218 segmentation Effects 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 70
- 239000007924 injection Substances 0.000 claims description 70
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004589 rubber sealant Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
- F16F13/266—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for acting dynamically on the walls bounding a passage between working and equilibration chambers
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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
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
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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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/0208—Alloys
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/025—Elastomers
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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
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/046—Fluids pneumatic
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/0005—Attachment, e.g. to facilitate mounting onto confer adjustability
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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
- F16F2230/00—Purpose; Design features
- F16F2230/06—Fluid filling or discharging
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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
- F16F2230/00—Purpose; Design features
- F16F2230/08—Sensor arrangement
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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
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/026—Springs wound- or coil-like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of variable damping dampers of variable volume, including upper support seat and lower support base, the upper surface of upper support seat is equipped with pressure sensor patch, support column is equipped between upper support seat and lower support base, support column is segmental structure, spring-damping element is equipped between every two adjacent segmentation support column, the periphery of each spring-damping element is equipped with compressed gas cabin, compressed gas cabin is equipped with the air outlet valve and intake valve being connected to the snorkel inside spring-damping element, the outer wall in compressed gas cabin is rubber layer, rubber layer band outer wall, outer wall is equipped with the first intake valve, second intake valve, first with being electrically integrated beam port and second with being electrically integrated beam port, outer wall and upper support seat junction are equipped with upper support seat seal washer, outer wall and lower support base junction are equipped with lower support base seal washer.This variable damping damper can bear different load, realize that damping is adjustable, at low cost, reliability and sensitivity are preferable.
Description
Technical field
The present invention relates to mechanical antivibration area, the variable damping damper of specially a kind of variable volume.
Background technique
In recent years, damper is gradually sent out in the machinery fields such as the manufacture of automobile, ship, navigation and precision instrument and observing and controlling
Wave irreplaceable role.Constantly bringing forth new ideas and extend with technical matters, the damper of different types is by opening gradually
It issues, common damper includes: spring damper, hydraulic vibration absorber and inflatable vibration damper etc., wherein due to bullet
The manufacturing cost of spring damper is cheap, and fabrication cycle is short and seating means are simple, therefore is widely used in various test products and opens
In hair and testing field.However, conventional springs damper due to manufacturing process limitation meeting so that spring damping value be limited, and
Sudden and excess load load excitation meeting is so that spring generates irreversible deformation, so that the maintenance cost that enterprise institution is additional
It greatly increases, does not meet the design requirement of sustainability.Although having expert and technical research personnel to spring manufacturing process at present
It proposes including processing methods such as case-carbonizings, overstriking, and addition yttrium, greatly strengthens the rigidity of spring
Value, but it is still not ideal enough in the promotion effect of damping vibration attenuation characteristic level.
Therefore, it to overcome this defect, on the basis of original spiral metal spring, provides a kind of close using assisting
The variable volume variable damping damper for chamber design philosophy of holding one's breath, can be according to the excitation of paroxysmal load, in conjunction with electronic control unit
Autonomous intelligenceization completes the control to compressed gas, and it is limited in damping value to make up original spring for service hoisting resistance of shock absorber value
Defect, in addition, for further promoted rigidity value, multiple springs of being connected using support column damping unit, realize structure it is integrally rigid
The dual promotion of degree and damping value, avoids the weakness and excessive deformation that prototype structure is likely to occur and causes spring distortion
The problem of.
Summary of the invention
The purpose of the present invention in view of the deficiencies of the prior art, and provides a kind of variable damping damper of variable volume.It is this
Variable damping damper can bear different load, realize that damping is adjustable, at low cost, reliability and sensitivity are preferable.
Realizing the technical solution of the object of the invention is:
A kind of variable damping damper of variable volume, unlike the prior art, including upper support seat and lower support base, upper branch
The upper surface for supportting seat is equipped with pressure sensor patch, and support column is equipped between upper support seat and lower support base, and support column is segmentation
Structure, is equipped with spring-damping element between every two adjacent segmentation support column, and all segmentation support columns are by one group of spring damping
Unit is connected in series, and the periphery of each spring-damping element is equipped with compressed gas cabin, and compressed gas cabin is equipped with and spring damping list
The air outlet valve and intake valve of snorkel connection inside member, the outer wall in compressed gas cabin are rubber layer, and rubber layer is equipped with the first note
Enter valve, the second injection valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection valve, rubber layer is with outer wall, outside
Wall is equipped with the first intake valve, the second intake valve, first with being electrically integrated beam port and second with being electrically integrated beam port, outer wall with it is upper
Support base junction is equipped with upper support seat seal washer, and outer wall and lower support base junction are equipped with lower support base seal washer.
First injection valve, the second injection valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection
The structure of valve is consistent, including cavity, and cavity is equipped with intake valve and energization end, and inside cavity is gas, and inside cavity is equipped with electricity
Magnetic coil is connect with energization end, and the bottom of cavity is additionally provided with gas delivery port, is equipped with iron core, each injection valve at gas delivery port
Pass through the external pressure sensor of the electronic control unit of automobile.
The spring-damping element is cavity, and chamber outer wall is equipped with sliding sheet rubber, and spring is equipped in cavity and is wrapped
The rubber bodies of spring, there is gap between spring and rubber bodies, gap is connected to by passing through the snorkel of cavity with compressed gas cabin.
Compressed gas cabin internal gas passes in and out spring damping list by compressed gas cabin air outlet valve and compressed gas cabin intake valve
First internal ventilation pipe, compressed gas cabin adjust injection valve by adjusting injection valve regulation injection and absorbing compressed gas cabin memory storing gas
Gas is inculcated by inlet end, the inlet channel inside injection valve is inserted into compressed gas cabin.
The spring-damping element has sliding friction film, slides up and down vertical, guarantees that spring-damping element can be with
Stress intensity variation carry out inside Free Compression.
The spring-damping element is connected in series by support column, and proof load stress can uniformly be distributed to each
In spring-damping element.
The compressed gas cabin is circumferentially in spring unit surrounding, by compressed gas cabin air outlet valve and compressed gas cabin intake valve
To adjust the storage capacity and the gas degree of compression of compressed gas cabin internal gas.
By the spring-damping element internal ventilation pipe that is matched with metal coil spring to spring inside the compressed gas cabin
Rubber clearance inflation.
The compression adjustment injection valve and internal electromagnetic coil can carry out concentrating ventilation and energization respectively, by electronic control unit
Streaming current size in electromagnetic coil is determined, to maintain electromagnetic coil to generate suitable electromagnetic force.
The compressed gas cabin adjusts injection valve and enters compressed gas cabin across rubber layer, to keep good air-tightness.
The technical program utilizes gas-filled shock absorber nonlinear dampling characteristic and conventional metals bullet from damper internal combination
The high-intensitive stiffness characteristics of spring enhance whole damping and rigidity value using combination, furthermore using the spring resistance of segmentation
Buddhist nun's unit is conducive to reduce the huge deflection of spring, avoids stress intensity excessive and influences the defect of the service life of spring.
The technical program, which combines, uses circumferentially distributed compressed gas cabin, by the pressure sensor at the top of damper to automatically controlled
Unit transmits pressure signal, electronic control unit and then the size of current that electromagnetic coil is controlled by upper total integrated beam port, to lower end
Gas delivery port carries out feedback regulation, realizes the intelligentized control method of the degree of compression to spring-compressed space.
The technical program beneficial effect is: high-intensitive advantage of the technical program based on conventional helical spring, for biography
The defects such as the deflection of system spring is big, and intelligence is low with sensitivity, use multi-stage gasbag compression space and helical spring compresses
Combined method, enable damper that can keep entire bullet according to the degree of compression of the autonomous control air bag of the size of load
Property and damping are maintained at optimal state, and manufacturing cost and maintenance cost are cheap, and reliability and sensitivity are preferable.
This variable damping damper can bear different load, realize and damp adjustable, at low cost, reliability and sensitivity
Preferably.
Detailed description of the invention
Fig. 1 is the variable damping damper structure sectional view of variable volume of the present invention;
Fig. 2 is local spring-damping element diagrammatic cross-section;
Fig. 3 is that compressed gas cabin adjusts injection valve cross-sectional view of the structure;
In figure: 1. upper support seats 2. first are with being electrically integrated 3. first injection valve of beam port, 4. outer wall, 5. second injection valve 6.
Third injection valve 7. second is with being electrically integrated the 4th injection valve of 9. second intake valve 10. of support base seal washer under beam port 8.
11. 15. pressure sensor of the 6th 13. first intake valve of injection valve, 14. upper support seat seal washer of the 5th injection valve 12. pastes
21. gas delivery port of piece 16. intake valve, 17. cavity, 18. gas, 19. electromagnetic coil, 20. iron core, 22. energization end 23.
Slide 26. air outlet valve of sheet rubber, 27. intake valve, 28. support column, 29. spring damping list in 24. compressed gas cabin 25. of snorkel
Lower 33. spring of support base of first 30. rubber layer, 31. rubber bodies 32..
Specific embodiment
Further explaination is made to the contents of the present invention with reference to the accompanying drawings and examples, but is not to limit of the invention
It is fixed.
Embodiment:
Referring to Fig.1, the variable damping damper of a kind of variable volume, including upper support seat 1 and lower support base 32, upper support seat 1
Upper surface is equipped with pressure sensor patch 15, and support column 28 is equipped between upper support seat 1 and lower support base 32, and support column 28 is point
Segment structure is equipped with spring-damping element 29 between every two adjacent segmentation support column 28, and all segmentation support columns 28 are by one group
Spring-damping element 29 is connected in series, and the periphery of each spring-damping element 29 is equipped with compressed gas cabin 24, compressed gas cabin 24
Equipped with the air outlet valve 26 and intake valve 27 being connected to the snorkel 23 inside spring-damping element 29, the outer wall in compressed gas cabin 24 is
Rubber layer 30, rubber layer 30 are equipped with the first injection valve 3, the second injection valve 5, third injection valve 6, the 4th injection valve the 10, the 5th
Injection valve 11 and the 6th injection valve 12, for rubber layer 30 with outer wall 4, outer wall 4 is equipped with the first intake valve 13, the second intake valve 9, the
One with beam port 2 and second is electrically integrated with beam port 7 is electrically integrated, and outer wall 4 is sealed with 1 junction of upper support seat equipped with upper support seat
Washer 14, outer wall 4 and lower 32 junction of support base are equipped with lower support base seal washer 8.
First injection valve 3, the second injection valve 5, third injection valve 6, the 4th injection valve 10, the 5th injection valve 11 and
The structure of six injection valves 12 is consistent, including cavity 17, and cavity 17 is equipped with intake valve 16 and energization end 22, is gas inside cavity 17
Body 18 is equipped with electromagnetic coil 19 inside cavity 17 and connect with energization end 22, and the bottom of cavity 17 is additionally provided with gas delivery port 21,
Iron core 20 is equipped at gas delivery port 21, each injection valve passes through the external pressure sensor of electronic control unit of automobile.
The spring-damping element 29 is cavity, and chamber outer wall is equipped with sliding sheet rubber 25, is equipped with 33 He of spring in cavity
The rubber bodies 31 for wrapping spring 33, there is gap between spring 33 and rubber bodies 31, gap passes through the snorkel 23 across cavity
It is connected to compressed gas cabin 24.
24 internal gas of compressed gas cabin passes in and out spring by compressed gas cabin air outlet valve 26 and compressed gas cabin intake valve 27
Damping unit internal ventilation pipe 23, compressed gas cabin adjust injection compressed gas cabin memory gas storage by the intake valve 16 that cavity 17 is equipped with
The pressure of body, inculcates gas by intake valve 16 on cavity 17, and gas is inserted into compressed gas cabin 24 by internal snorkel 23
It is interior.
The spring-damping element 29 has sliding sheet rubber 25, slides up and down vertical, guarantees spring-damping element
Inside Free Compression can be carried out as stress intensity changes.
The spring-damping element 29 carries out spaced series connection by support column 28, and proof load stress can uniformly divide
It is scattered in each spring-damping element.
The compressed gas cabin 24 is circumferentially in spring unit two sides, by the air outlet valve 26 and intake valve in compressed gas cabin 24
27 adjust the storage capacity and the gas degree of compression of 24 internal gas of compressed gas cabin.
29 internal ventilation pipe of spring-damping element inside the compressed gas cabin 24 by being matched with metal coil spring 33
23 pairs of spring-rubber gap inflations.
Intake valve 16 and energization end 22 on the cavity 17 are respectively by the second intake valve 9, the first intake valve 13 and first
It carries out concentrating ventilation and energization with the concentration of beam port 7 is electrically integrated with beam port 2, second is electrically integrated, electromagnetism is determined by electronic control unit
Streaming current size in coil, so that iron core 20 be attracted to move up, is closed with maintaining electromagnetic coil 19 to generate suitable electromagnetic force
Suitable vent openings.
The compressed gas cabin 24 passes through rubber layer 30 by cavity 17 and enters compressed gas cabin, to keep good air-tightness.
This example utilizes the height of gas-filled shock absorber nonlinear dampling characteristic and conventional metals spring from damper internal combination
Intensity and toughness characteristic enhances whole damping and rigidity value using combination, furthermore using the spring-damping element of segmentation
The huge deflection for being conducive to reduce spring, avoids stress intensity excessive and influences the defect of the service life of spring.
This example, which combines, uses circumferentially distributed compressed gas cabin, is passed by the pressure sensor at the top of damper to electronic control unit
Pressure signal, electronic control unit and then the size of current that electromagnetic coil is controlled by upper total integrated beam port are passed, it is defeated to lower end gas
Outlet carries out feedback regulation, realizes the intelligentized control method of the degree of compression to spring-compressed space.
Referring to Fig. 1, when load is by upper support seat 1, the pressure sensor piece 15 on 1 surface of upper support seat loads perception
The size of pressure and by pressure signal feedback to electronic control unit, first with being electrically integrated beam port 2 and the second intake valve 9 is used for pair
Compressed gas cabin first adjusts injection valve 3, the second injection valve of compressed gas cabin 5, compressed gas cabin third injection valve 6, compression in damper
In the electromagnetic coil 19 of the 4th injection valve 10 of gas cabin, the 5th injection valve 11 of compressed gas cabin and the installation of the 6th injection valve 12 of compressed gas cabin
Portion's electric current is controlled, the first intake valve 13 and the second intake valve 9 be used for the injection valve 3 in compressed gas cabin 24 in damper,
The second injection valve of compressed gas cabin 5, compressed gas cabin third injection valve 6, the 4th injection valve 10 of compressed gas cabin, compressed gas cabin 24 the 5th
Number injection valve 11 and 12 gas of the 6th injection valve in compressed gas cabin are controlled and are inputted.
First of compressed gas cabin inside the damper adjusts injection valve 3, second injection valve 5 in compressed gas cabin, compression
Gas cabin third injection valve 6, the 4th injection valve 10 of compressed gas cabin, the 5th injection valve 11 of compressed gas cabin and the 6th injection valve of compressed gas cabin
Should have good air-tightness between 12 and rubber layer 30, and the rigidity value of rubber layer 30 should be arranged than internal spring cooperation
The problem of rubber bodies 31 are big, and guarantee is not in deformation gas leakage generation, the rigidity that the rubber bodies 31 of internal spring cooperation have
Value should need the rigidity value for making to have certain under the premise of not influencing camber of spring, which can test by air-leakage test
It determines.
The lower support base seal washer 8 and upper support seat seal washer 14 of the damper can be before guaranteeing air-tightness
It puts, prevents from influencing the running of internal structure and the physical life of damper entirety because of the entrance of extraneous sandstone and dust.
Referring to fig. 2, the cavity 17 of the damper is equipped with intake valve 16 and energization end 22, to guarantee 24 He of compressed gas cabin
Has sufficient gas pressure output in the snorkel 23 of rubber bodies 31.Touching for load is perceived in pressure sensor piece 15
Afterwards, can it is continual by real-time pressure signal transmission to electronic control unit, electronic control unit passes through scheduled signal analysis program
The grade of sensed pressure will be obtained after processing, and the energization end 22 on damper cavity 17 is indirectly controlled on electromagnetic coil 19
Electric current, electromagnetic coil attract upwards since galvanomagnetic-effect generates suction, by iron core 20, the inlet channel 18 inside injection valve it is defeated
Body supply gas also because of the variation of air inlet iron core and pipeline gap, indirectly controls the gas conveying capacity of lower end gas delivery port 21,
It ensure that gas flow and the degree of compression in compressed gas cabin can be in suitable numberical range.
Referring to Fig. 3, under the action of load, upper support seat 1 and lower support base 32 can two-way inside extruding spring, spring by
Internally contact squeeze deformation can be carried out between 31 meeting of rubber bodies and spring 33 in the process by deformable squeeze in pressure effect,
Metamorphosis closes the snorkel 23 inside spring-damping element, forms the air seal compression chamber of Internal Small-scale and matches
Close the combination of dampings vibration insulating system that spring forms gas damping and spring damping damping.
Between each spring-damping element 29 of damper by support column 28 be supported reinforcing connection, it is ensured that by
It when to biggish bearing load power, can have stronger stiffness characteristics between spring-damping element, guarantee mutual movement not
Interference and dislocation can be generated, the danger of fracture and transversely deforming that conventional springs occur when by biggish loading force is overcome
Danger.
Sliding sheet rubber 25 is equipped between the spring-damping element 29 and side wall of the damper, which can guarantee
During spring is inwardly compressed, guarantees that spring-damping element 29 is whole and be capable of the deformation of spring and change is inwardly compressed
Change, should have good sliding property and flexibility between sliding friction film 25 and inner wall, rigidity value should be smaller.
Cavity 17 inside the damper can inject gas to compressed gas cabin 24, and compressed gas cabin 24 is as gas buffer
Intermediate primarily serves gas savings and release action, when needed, can be at any time by intake valve 27 and air outlet valve 26 to spring
Gas flow in compound rubber sealant is adjusted, and the size of intake valve 27 and air outlet valve 26 is too small in setting Shi Buying, with
It avoids generating howling when gas passes through.
Claims (3)
1. a kind of variable damping damper of variable volume, characterized in that including upper support seat and lower support base, upper support seat it is upper
Surface is equipped with pressure sensor patch, and support column is equipped between upper support seat and lower support base, and support column is segmental structure, and every two
Spring-damping element is equipped between a adjacent segmentation support column, all segmentation support columns connect one group of spring-damping element series connection
It picks up and, the periphery of each spring-damping element is equipped with compressed gas cabin, and compressed gas cabin is equipped with and leading to inside spring-damping element
The air outlet valve and intake valve of tracheae connection, the outer wall in compressed gas cabin are rubber layer, and rubber layer is equipped with the first injection valve, the second note
Enter valve, third injection valve, the 4th injection valve, the 5th injection valve and the 6th injection valve, rubber layer band outer wall, outer wall is equipped with first
Intake valve, the second intake valve, first are with being electrically integrated beam port and second with being electrically integrated beam port, outer wall and upper support seat junction
Equipped with upper support seat seal washer, outer wall and lower support base junction are equipped with lower support base seal washer.
2. the variable damping damper of variable volume according to claim 1, characterized in that first injection valve, second
Injection valve, third injection valve, the 4th injection valve, the structure of the 5th injection valve and the 6th injection valve are consistent, including cavity, on cavity
Equipped with intake valve and energization end, inside cavity is gas, and inside cavity is equipped with electromagnetic coil and connect with energization end, the bottom of cavity
It is additionally provided with gas delivery port, iron core is equipped at gas delivery port, each injection valve is passed by the external pressure of electronic control unit of automobile
Sensor.
3. the variable damping damper of variable volume according to claim 1, characterized in that the spring-damping element is chamber
Body, chamber outer wall are equipped with sliding sheet rubber, are equipped with spring in cavity and wrap the rubber bodies of spring, between spring and rubber bodies
There is gap, gap is connected to by passing through the snorkel of cavity with compressed gas cabin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910638632.3A CN110219929A (en) | 2019-07-16 | 2019-07-16 | A kind of variable damping damper of variable volume |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910638632.3A CN110219929A (en) | 2019-07-16 | 2019-07-16 | A kind of variable damping damper of variable volume |
Publications (1)
Publication Number | Publication Date |
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CN110219929A true CN110219929A (en) | 2019-09-10 |
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CN201910638632.3A Pending CN110219929A (en) | 2019-07-16 | 2019-07-16 | A kind of variable damping damper of variable volume |
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