CN107630967A - A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system - Google Patents
A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system Download PDFInfo
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- CN107630967A CN107630967A CN201710994545.2A CN201710994545A CN107630967A CN 107630967 A CN107630967 A CN 107630967A CN 201710994545 A CN201710994545 A CN 201710994545A CN 107630967 A CN107630967 A CN 107630967A
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- shock absorber
- cooling
- water
- electric fan
- temperature
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Abstract
Integrate air-cooled, water cooling double-cylinder type hydraulic buffer cooling system the present invention relates to a kind of.The cooling system includes the structures such as water pump, electric fan, cooled plate, sensor and electronic control unit.Vibration frequency sensor is used to measure vibration frequency during shock absorber work;Temperature sensor is used for the temperature for detecting cooling water in fluid and cooling water pipe in shock absorber body constantly;Electric fan coordinates cooling water to radiate hydraulic buffer, and cooling water and cooled plate are radiated;Water pump radiates for controlling the flowing of cooling water to hydraulic buffer;Cooled plate is used for the radiating to shock absorber body.The hydraulic buffer cooling system is stable, heat radiation combination mode is various, and intelligence degree is high, and radiating effect is obvious, double-cylinder type liquid-springing system can be well adapted to, can effectively solve the problems, such as that double-cylinder type hydraulic buffer causes service behaviour to decline or even fail because cylinder temperature is too high.
Description
Technical field
The present invention relates to automobile double Hydraulic shock absorber cooling system, subtracts more particularly, to a kind of automobile double cylinder type hydraulic
Shake the wind of device/water cooling combination cooling system.
Background technology
Automobile double Hydraulic shock absorber is widely used the suspension system in automobile, and this shock absorber can accelerate vehicle frame
With the decay of body vibrations, to improve ride of vehicle.The operation principle of double-cylinder type hydraulic buffer is in cylinder barrel
Fluid iterates through narrow valve, produces continuously damping force, the vibrational energy of vehicle body and vehicle frame is converted into heat energy,
Reach the effect of decay vibration.
But current double-cylinder type hydraulic buffer is faced with a huge test, that is, heat dissipation problem.Shock absorber
Heat-sinking capability deficiency the quality of fluid will be caused to reduce, so as to damping force when can reduce vibration damping, decline effectiveness in vibration suppression.
Radiating, which is not handled well, simultaneously can cause the sealing of double-cylinder type hydraulic buffer to be deteriorated, oil leak, and noise increases and parts damage
It is bad, have a strong impact on the damping property of double-cylinder type hydraulic buffer.
By consulting data of literatures, Chinese patent Authorization Notice No. CN104179875A discloses a kind of " air-cooled to subtract
Shake device ", the patent only discuss the air-cooled radiating effect for shock absorber, have ignored the effect of water cooling;And CN104806686A
Disclose " a kind of integrated form cooling system of Automobile Shock Absorber " and simply discuss radiating effect of the water cooling to shock absorber, do not have
Air-cooled radiating effect is arrived consciously;The all relatively simple and automaticity that radiated outside these cylinders is not high, when hydraulic buffer work
It can not be radiated well when making in the presence of a harsh environment, so designing the high combination of a kind of good heat dissipation effect, automaticity
The outer cooling system of formula double-cylinder type hydraulic buffer cylinder is extremely necessary.
The content of the invention
For problem above, of the invention proposes a kind of wind of automobile double Hydraulic shock absorber, water cooling combination radiating
System, the hydraulic buffer cooling system is stable, and radiating mode is various, and automaticity is high, and radiating effect is obvious, can be well
Double-cylinder type liquid-springing system is adapted to, can effectively solve double-cylinder type hydraulic buffer causes work because cylinder temperature is too high
The problem of making hydraulic performance decline or even failing.
The technical scheme is that a kind of wind of automobile double Hydraulic shock absorber, water cooling combine cooling system, installation
On the body of double-cylinder type hydraulic buffer.The cooling system includes water pump, electric fan, water tank, cooled plate, vibration frequency and passed
Sensor, water-absorbing sponge, temperature sensor, electronic control unit, shock absorber body, cooling water pipe;Electric fan is arranged on vibration damping
The right opposite of device body, it is around cooling water pipe, the rotary head of electric fan and switching control section are connected with electronic control unit,
The startup of rotary head electric fan and rotary head are controlled according to the vibration frequency of unlike signal and temperature signal, realized to shock absorber sheet
Body and cooling water radiating;Temperature sensor is located at shock absorber body oil storage cylinder barrel outer wall and cooling water pipe outer wall, is used for
The temperature of shock absorber body and cooling water pipe reclaimed water is detected, by these information transmission electron control units;Vibration frequency passes
Sensor is located at the inside intersection of piston rod and shock absorber body guide holder, for measuring frequency during this body running of shock absorber,
Then by this information transmission electron control unit;The switching control section of water pump is connected with electronic control unit, Electronic Control
Unit controls the work of water pump according to different vibration frequency signals, so as to reach the effect of radiating;Cooled plate, which is arranged in, to be subtracted
Shake the both sides of device body oil storage cylinder, realizes the radiating to shock absorber body, the higher cooling water of temperature cools down it through electric fan
After be re-circulated to water tank storage.
In above-mentioned technical proposal, two cooling-water temperature sensors are symmetrically distributed in the both sides of upper and lower cooling water pipe outer wall.
In above-mentioned technical proposal, electric fan can rotary head, electronic control unit is according to cooling-water temperature sensor
Temperature information controls the startup of electric fan rotary head function.
In above-mentioned technical proposal, vibration frequency sensor is can accurately to measure vibration frequency and resistant to elevated temperatures inductance type shakes
Dynamic sensor.
In above-mentioned technical proposal, the surrounding of electric fan is cooling water pipe, can be made by rotary head around cooling water pipe
Fierce convection current occurs for air, so as to reach the effect that cooling water quickly cools down.
In above-mentioned technical proposal, the vibration frequency that vibration frequency sensor is measured can accurately show the heat of shock absorber
Situation and working condition.
In above-mentioned technical proposal, guide holder uses the shape of vane type in shock absorber body.
In above-mentioned technical proposal, the temperature sensor of shock absorber body oil storage cylinder barrel outer wall is symmetrically distributed in oil storage cylinder outer wall
Both sides, for measuring the temperature of the rear shock absorber body of radiating and whether having the situation of hot-spot.
In above-mentioned technical proposal, cooled plate in the gap of outer barrel of absorber casing wall with being filled with water-absorbing sponge.
The beneficial effect that the present invention is brought is:
(1) radiating mode of cooling system of the present invention has a variety of collocation, there is air-cooled, water cooling and wind-water cooling these three radiating modes,
Different radiating modes can be selected according to the work concrete condition of shock absorber, efficiently double-cylinder type hydraulic buffer can be entered
Row radiating.
(2) electric fan in cooling system of the present invention has multiple use, and electric fan first can be to double-cylinder type hydraulic pressure
Shock absorber is radiated, while electric fan can radiate to cooling water, realizes making full use of for resource.
(3) cooling system of the present invention has intelligentized looped system, and temperature and vibration frequency sensor will be measured
Different information transmission electron control units, electronic control unit carries out feedback tune to cooling system in good time according to different information
Section, makes the control shock absorber cooling system that system is more intelligent, effectively increases the reliability and service life of shock absorber.
Brief description of the drawings
Fig. 1 is the principle schematic diagram of the present invention.
Fig. 2 is the structure chart of shock absorber body of the present invention.
Fig. 3 is the workflow diagram of the present invention.
In figure:1. electronic control unit;2. water tank;3. water pump;4. temperature sensor;5. cooling water pipe;6. electric fan;
7. piston rod;8. shock absorber body;9. oil-sealing arrangement;10. guide holder;11. vibration frequency sensor;12. piston;13. water suction
Sponge;14. cooled plate;15. outer barrel of absorber wall.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, this is illustrated as the principle schematic diagram of the present invention, the present invention is that one kind applies to double-cylinder type hydraulic pressure
On shock absorber body (8), integrate wind, the cooling system of water cooling, the system includes information collection apparatus, central processing fills
Put, performs device and auxiliary equipment composition.Wherein information collection apparatus includes vibration frequency sensor (11), temperature sensor
(4), two vibration frequency sensors (11) are symmetrically positioned in piston rod (7) and the inside of shock absorber body guide holder (10) has a common boundary
Place, for measure shock absorber body (8) work when frequency, preferably, vibration frequency sensor (11) be selection can essence
Really measurement vibration frequency and resistant to elevated temperatures induction type vibration sensor;Temperature sensor (4) is arranged in shock absorber body oil storage cylinder
At cylinder (15) outer wall and cooling water pipe (5) outer wall, for measuring the temperature of cooling water and outer barrel of absorber wall (15).Centre
It is electronic control unit (11) to manage device, the difference transmitted for temperature sensor (4) and vibration frequency sensor (11)
Information and the operation for controlling performs device.Performs device includes electric fan (6) and water pump (3), as preferred electric fan (6)
Can be with rotary head.Auxiliary equipment includes water tank (2), cooling water pipe (5), cooled plate (14) and water-absorbing sponge (13), radiates it
Afterwards after cooling of the cooling water by natural wind and electric fan (6), water tank (2) is come back to.
What described electronic control unit (1) can transmit according to temperature sensor (4) and vibration frequency sensor (11)
Different information control the opening and closing of water pump (3) and electric fan (6).Two vibration frequency sensors (11) are used to measure
The vibration frequency of shock absorber body (8), the vibration frequency average value that both measure is transmitted to electronic control unit (1) afterwards, electricity
Sub-control unit (1) can judge whether this vibration frequency is more than the vibration frequency value of setting after being connected to information;It is arranged in cooling
The temperature sensor (4) of water pipe (5) both sides is used for the temperature for measuring cooling water in cooling water pipe (5), afterwards by this information transmission
Electron control unit (1), electronic control unit (1) can judge the dynamic temperature for whether being more than setting of this temperature after being connected to information
Angle value;The temperature sensor (4) for being arranged in outer barrel of absorber wall (15) both sides is used for the temperature for measuring shock absorber body (8), so
Afterwards by this information transmission electron control unit (1);The frequency that electronic control unit (1) transmits according to vibration frequency sensor (11)
Rate signal controls the opening and closing of water pump;Electronic control unit (1) is according to vibration frequency sensor (11) and TEMP
The information that device (4) transmits controls the startup and closing of electric fan (6);The Electronic Control list after water pump (3) is stopped
First (1) controls electric fan (6) rotary head function according to the information for temperature sensor (4) transmission for being distributed in cooling water pipe both sides
Opening and closing.
Described electric fan (6) is when the vibration frequency that vibration frequency sensor (11) is measured is more than setting value, electronics
Control unit (1) control electric fan (6) is opened;Electric fan (6) is more than setting value in the temperature that temperature sensor (4) is measured
When, electronic control unit (1) control electric fan (6) is opened;After water pump (3) is stopped, electronic control unit (1)
The temperature measured according to temperature sensor (4) controls the opening and closing of electric fan (6), while electric fan (6) basis
It is distributed in the situation that the temperature averages that the temperature sensors (4) of cooling water pipe both sides is measured are more than setting value, Electronic Control list
The rotary head function of first (1) control electric fan (6) is opened.This design can be under shock absorber heating serious situation by water cooling
Reasonably combined radiating with air-cooled two kinds of radiating modes, radiating effect is obvious;It can also be generated heat not in shock absorber body (8)
It is that very serious situation gets off to be used alone wind-cooling heat dissipating, while (rotary head function is also opened) can be with when electric fan (6) is run
Cooling water and cooled plate (14) are cooled more quickly, is so more beneficial for water cooling, both, which combine to bring out the best in each other, dissipates whole system
Thermal effect is more efficient, and this designs the life-span that can also extend cooling system.
The vibration frequency that described vibration frequency sensor (11) is measured then illustrates vibration damping if greater than the frequency values of setting
The internal working environment of device body (8) is severe, and heat situation is serious, and is possible to produce the situation of overheat;Now Electronic Control
Unit (1) control water pump (3) and electric fan (6) are started working;The temperature for being distributed in outer barrel of absorber wall (15) and both sides passes
Sensor (4) measures the temperature of the shock absorber body (8) after radiating, afterwards by this feedback of the information electron control unit (1), such as
The temperature averages that fruit is distributed in two temperature sensors (4) of outer barrel of absorber wall (15) both sides are less than the water cooling temperature set
Value then switches off the pump (3).It is located at piston rod (7) as preferably described vibration frequency sensor (11) and shock absorber body is oriented to
The inside intersection of seat (10), it so more can accurately measure the vibration frequency of damper body (8);If it is distributed in outside shock absorber
The temperature averages of two temperature sensors (4) of barrel (15) both sides are less than the wind chill temperatures value of setting and are distributed in cooling water
The temperature value of two temperature sensor (4) average values again smaller than setting of (5) is managed, then closes electric fan (6).
Described cooling water pipe (5) and the threshold temperature of shock absorber body (8) setting are different, when temperature sensor (4)
Measured temperature is both less than air-cooled threshold values, and then electric fan (6) is closed;When temperature sensor (4) measured temperature be both greater than it is air-cooled
Threshold values, then electric fan unlatching and rotary head;It is less than cooling when temperature sensor (4) measured temperature is more than shock absorber body (8)
The temperature value of water pipe setting, then electric fan (6) unlatching but not rotary head;When temperature sensor (4), measured temperature is less than shock absorber
Body (8) and more than cooling water pipe setting temperature value, then electric fan (6) open and rotary head.
Described cooled plate (14) is distributed in the both sides of shock absorber body (8), and cold water plate (14) connects with cooling water pipe (5)
Connect;After water-cooling terminates, cooling water comes back to water tank (2) after the radiating of natural wind and electric fan (6);As
It is preferred that the area of dissipation of cooled plate (14) is larger, water-absorbing sponge is filled between cooled plate (14) and outer barrel of absorber wall (15).
As shown in Fig. 2 this is illustrated as the structure chart of shock absorber body of the present invention, shock absorber body (8) includes piston rod
(7), oil-sealing arrangement (9), guide holder (10), vibration frequency sensor (11), piston (12), water-absorbing sponge (13), cooled plate
And outer barrel of absorber wall (15) (14);Piston rod (7) is used to transmit vibration force;Oil-sealing arrangement (9) is used to seal, and prevents shock absorber
Oil leakage in body (8) cylinder;Guide holder (10) is used for the guiding of piston rod (7), prevents its skew, is as seat is preferably directed
The shape of vane type, it can so be advantageous to radiate with increasing heat radiation area;Vibration frequency sensor (11) is used to measure shock absorber
The vibration frequency of body;The both sides that cooled plate (14) is arranged in water-absorbing sponge (13) are used to radiate to shock absorber body, as preferred
The Area comparison of cooled plate (14) is big, and preferably shock absorber body (8) can be radiated;Water-absorbing sponge (13) is filled in water
The gap location of cold drawing (14) and shock absorber body (8), for absorbing the water of cooled plate (14) leakage.
As shown in figure 3, this figure is the wind of automobile double Hydraulic shock absorber, the flow chart of water cooling combination cooling system;Tool
The flow of body this cooling system work is as follows:Vibration frequency sensor (11) obtains the vibration frequency of shock absorber body (8) first
Information, this information transmission electron control unit (1), following electronic control unit (1) are then judged that this vibration frequency is put down
Whether average is more than the vibration frequency value of setting, and water pump is opened if vibration frequency is more than setting value electronic control unit (1)
And electric fan, water-filling-wind-cooling heat dissipating is entered to shock absorber body (8);After radiating, outer barrel of absorber wall (15) and cold is arranged in
But the temperature sensor (4) of water pipe (5) measures the temperature of shock absorber body (8) and cooling water, then by this information transmission to electricity
Sub-control unit (1), electronic control unit (1) judge whether the temperature of damper body (8) is more than the temperature value of setting at once, such as
The temperature value that fruit is measured is less than the water cooling temperature value of setting, then electronic control unit (1) control switches off the pump, otherwise water pump (3)
Work on;If the temperature value for the damper body (8) measured is less than the wind chill temperatures value of setting, and the cooling water pipe measured
(5) temperature value again smaller than setting temperature value, then electronic control unit (1) control electric fan (6) be stopped, it is otherwise electric
Motivation (6) works on;Electronic control unit (1) basis is distributed in cooling water pipe both sides after water pump (3) is stopped
The information that temperature sensor (4) transmits controls the opening and closing of electric fan (6) rotary head function, if cooling water pipe both sides
Temperature sensor (4) temperature value be more than setting temperature value, then ECU (1) control motor (6) open rotary head function
Cooling water is radiated, otherwise motor (6) is stopped.If vibration frequency is less than the vibration frequency value of setting, electricity
Sub-control unit (1) stops water pump (3) work, if the temperature sensor (4) of outer barrel of absorber wall (15) and cooling water pipe (5)
The temperature value measured again smaller than setting temperature value, then electronic control unit (1) control electric fan (6) be stopped, otherwise
Motor (6) works on, and when the temperature that the temperature sensor (4) of cooling water pipe (5) is measured is more than the temperature value of setting,
Electric fan (6) opens rotary head function and cooling water is radiated.
Claims (4)
1. a kind of wind of automobile double Hydraulic shock absorber, water cooling combine cooling system, including shock absorber body(8)With electronics control
Unit processed(1), in addition to water tank (2), water pump (3), temperature sensor (4), cooling water pipe (5), electric fan (6), vibration frequency
Rate sensor (11), water-absorbing sponge (13) and cooled plate (14);Described temperature sensor (4) is located at shock absorber body oil storage cylinder
At cylinder (15) outer wall and cooling water pipe (5) outer wall;Described vibration frequency sensor (11) is located at piston rod (7) and shock absorber sheet
The inside intersection of body guide holder (10);Described electric fan (6) is arranged on the right opposite of shock absorber body (8);Described
Water pump (3) is connected with water tank (2) by cooling water pipe (5);Two pieces of described miniature cooled plates (14) are arranged in shock absorber
The both sides of body (9) oil storage cylinder;Described cooled plate(14)With shock absorber body(8)Between be full of absorbent cotton(13).
2. the wind of automobile double Hydraulic shock absorber according to claim 1, water cooling combine cooling system, its feature exists
In:Described electric fan (6) can rotary head.
3. the wind of automobile double Hydraulic shock absorber according to claim 1, water cooling combine cooling system, its feature exists
In:The surrounding for the electric fan (6) told is cooling water pipe (5).
4. the wind of automobile double Hydraulic shock absorber according to claim 1, water cooling combine cooling system, its feature exists
In:Guide holder (10) is the shape of vane type in described shock absorber body (8).
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108482053A (en) * | 2018-05-21 | 2018-09-04 | 佛山科学技术学院 | A kind of height regulating device for automobile chassis |
CN108861422A (en) * | 2018-05-03 | 2018-11-23 | 合肥金谷粮食机械设备有限公司 | A kind of care device and method of grain transporter |
CN109611496A (en) * | 2018-12-17 | 2019-04-12 | 南京信息工程大学 | Damper with electronic controlled cooling system |
CN114060449A (en) * | 2022-01-14 | 2022-02-18 | 南通市弘达轨道交通配件有限公司 | High-safety oil pressure damper for locomotive |
CN115824316A (en) * | 2023-02-16 | 2023-03-21 | 四川成聚才农业科技有限公司 | Soil vibration measuring method and detecting device thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN114060449A (en) * | 2022-01-14 | 2022-02-18 | 南通市弘达轨道交通配件有限公司 | High-safety oil pressure damper for locomotive |
CN114060449B (en) * | 2022-01-14 | 2022-03-18 | 南通市弘达轨道交通配件有限公司 | High-safety oil pressure damper for locomotive |
CN115824316A (en) * | 2023-02-16 | 2023-03-21 | 四川成聚才农业科技有限公司 | Soil vibration measuring method and detecting device thereof |
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