CN105034739A - Air suspension control system for commercial vehicle - Google Patents

Air suspension control system for commercial vehicle Download PDF

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Publication number
CN105034739A
CN105034739A CN201510365931.6A CN201510365931A CN105034739A CN 105034739 A CN105034739 A CN 105034739A CN 201510365931 A CN201510365931 A CN 201510365931A CN 105034739 A CN105034739 A CN 105034739A
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CN
China
Prior art keywords
valve
air
switch
suspension
electromagnetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510365931.6A
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Chinese (zh)
Inventor
李冬
徐鹏飞
冯广华
詹军
汤致彪
佘勇
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TRI-RING GROUP Corp
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TRI-RING GROUP Corp
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Publication date
Application filed by TRI-RING GROUP Corp filed Critical TRI-RING GROUP Corp
Priority to CN201510365931.6A priority Critical patent/CN105034739A/en
Publication of CN105034739A publication Critical patent/CN105034739A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an air suspension control system for a commercial vehicle. The air suspension control system comprises an air storage unit (1), a mechanical height valve (2), a switch electromagnetic valve (3), an electromagnetic pressure regulating valve (4), a suspension air bag (5) and a control handle (6); the air outlet of the electromagnetic pressure regulating valve (4) is connected with the air inlet of the suspension air bag (5); the air inlet and the air outlet of the switch electromagnetic valve (3) are respectively connected with the air outlet of the air storage unit (1) and the air inlet of the suspension air bag (5); a normally open self-resetting blow out switch on a control handle (6) is connected with the exhaust control end of the electromagnetic pressure regulating valve (4); an air circuit switchover positioning button switch on the control handle (6) is connected with the intake control end of the electromagnetic pressure regulating valve (4); a normally open self-resetting air inflation switch on the control handle (6) is connected with the intake control end of the switch electromagnetic valve (3). The height of the chassis of the whole vehicle can be freely adjusted within a controllable range.

Description

A kind of Air Suspension for Commercial Vehicles control system
Technical field
The present invention relates to a kind of air suspension control system, more specifically to a kind of Air Suspension for Commercial Vehicles control system, belong to commercial vehicle/comm..vehicle control technology field.
Background technology
The suspension system of vehicle is used for reducing the impact that surface irregularity brings to vehicle, thus improves safety and the traveling comfort of vehicular drive.In commercial vehicle/comm..vehicle, just more and more use airsuspension system.
At present, Air Suspension for Commercial Vehicles control system mainly contains mechanically controlled type and the large class of electronic control type two.Wherein mechanically controlled type is cheap, and it adopts mechanical type levelling valve, regulates the inflation/deflation to suspension bags by the opening degree of mechanical type levelling valve valve, thus controls the constant ride-height of vehicle; But mechanically controlled type airsuspension system can not regulate the chassis height of car load, therefore to hang or bus occupant to be got on or off the bus etc. in situation and had inconvenience more load-carrying vehicle handling goods, tractor truck are de-.Electronic control type wherein with the ECAS system of WABCO company for representative, it monitors chassis height by height sensor, then utilize central controller ECU to carry out the break-make of Controlling solenoid valve to realize the inflation/deflation of suspension bags, the chassis height of car load can be regulated by central controller ECU; But it is with high costs, be unfavorable for large-scale popularization application on commercial vehicle/comm..vehicle.
Summary of the invention
The object of the invention is to use the problems such as inconvenient or with high costs for existing Air Suspension for Commercial Vehicles control system, a kind of Air Suspension for Commercial Vehicles control system is provided.
For achieving the above object, technical solution of the present invention is: a kind of Air Suspension for Commercial Vehicles control system, comprise gas storage unit, mechanical type levelling valve and suspension bags, the admission port of described mechanical type levelling valve is connected with the air extractor duct of gas storage unit, also include switch electromagnetic valve, electromagnetic voltage adjusting valve and control handle, the air extractor duct of described mechanical type levelling valve is connected with the admission port of electromagnetic voltage adjusting valve, the described air extractor duct of electromagnetic voltage adjusting valve is connected with the admission port of suspension bags, the admission port of described switch electromagnetic valve is connected with the air extractor duct of gas storage unit, the air extractor duct of switch electromagnetic valve is connected with the admission port of suspension bags, Self-resetting air cock of often opening on described control handle is connected with the gas exhaust inspecting end of electromagnetic voltage adjusting valve, gas circuit on control handle switches navigation button switch and is connected with the air inlet control end of electromagnetic voltage adjusting valve, Self-resetting gas-filled switching tube of often opening on control handle is connected with the air inlet control end of switch electromagnetic valve.
Described electromagnetic voltage adjusting valve comprises normally closed 2/2-way electromagnetic valve and 2/2-way electromagnetic valve open in usual, the admission port of described normally closed 2/2-way electromagnetic valve is the admission port of electromagnetic voltage adjusting valve, the air extractor duct of normally closed 2/2-way electromagnetic valve is the air extractor duct of electromagnetic voltage adjusting valve, and the air extractor duct of normally closed 2/2-way electromagnetic valve is connected with the admission port of 2/2-way electromagnetic valve open in usual.
Described switch electromagnetic valve is 2/2-way electromagnetic valve.
Often opening Self-resetting gas-filled switching tube and often opening Self-resetting air cock and be in parallel on described control handle, and should the two in parallel after and gas circuit switch navigation button switch and be in series.
compared with prior art, the invention has the beneficial effects as follows:
1, structure is simple, realizes the active adjustment function of car load chassis height.In the present invention, the admission port of mechanical type levelling valve is connected with the air extractor duct of gas storage unit, the air extractor duct of mechanical type levelling valve is connected with the admission port of electromagnetic voltage adjusting valve, the air extractor duct of electromagnetic voltage adjusting valve is connected with the admission port of suspension bags, the admission port of switch electromagnetic valve is connected with the air extractor duct of gas storage unit, the air extractor duct of switch electromagnetic valve is connected with the admission port of suspension bags, Self-resetting air cock of often opening on control handle is connected with the gas exhaust inspecting end of electromagnetic voltage adjusting valve, gas circuit on control handle switches navigation button switch and is connected with the air inlet control end of electromagnetic voltage adjusting valve, Self-resetting gas-filled switching tube of often opening on control handle is connected with the air inlet control end of switch electromagnetic valve, when vehicle needs to regulate car load chassis height, the break-make of these three control ends of air inlet control end of the air inlet control end of electromagnetic voltage adjusting valve, gas exhaust inspecting end and switch electromagnetic valve is controlled by the button switch of three on control handle, switch with this air inlet gas circuit to air suspension, realize the inflation/deflation to suspension bags, car load chassis freely can be elevated in controlled range, thus achieve free adjustment car load chassis height in controlled range.
2, the electromagnetic voltage adjusting valve in the present invention and switch electromagnetic valve cost lower, gas circuit structure is simple and clear, simple operation, achieves at lower cost to the regulatory function of car load chassis height, be beneficial to large-scale popularization application.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is control handle structure principle chart in the present invention.
In figure, gas storage unit 1, mechanical type levelling valve 2, switch electromagnetic valve 3, electromagnetic voltage adjusting valve 4, suspension bags 5, control handle 6, normally closed 2/2-way electromagnetic valve 7,2/2-way electromagnetic valve 8 open in usual.
Detailed description of the invention
Illustrate that the present invention is described in further detail with detailed description of the invention below in conjunction with accompanying drawing.
See Fig. 1 to Fig. 2, a kind of Air Suspension for Commercial Vehicles control system, comprises gas storage unit 1, mechanical type levelling valve 2, switch electromagnetic valve 3, electromagnetic voltage adjusting valve 4, suspension bags 5 and control handle 6.The admission port of described mechanical type levelling valve 2 is connected with the air extractor duct of gas storage unit 1, and 2 air extractor ducts of mechanical type levelling valve are connected with the admission port of electromagnetic voltage adjusting valve 4, and the air extractor duct of described electromagnetic voltage adjusting valve 4 is connected with the admission port of suspension bags 5.The admission port of described switch electromagnetic valve 3 is connected with the air extractor duct of gas storage unit 1, and the air extractor duct of switch electromagnetic valve 3 is connected with the admission port of suspension bags 5.The Self-resetting gas-filled switching tube S1 that often opens on described control handle 6 is connected with the air inlet control end 6.4 of switch electromagnetic valve 3, the Self-resetting air cock S2 that often opens on control handle 6 is connected with electromagnetic voltage adjusting valve 4 gas exhaust inspecting end 6.1, and the gas circuit on control handle 6 switches navigation button switch S 0 and is connected with the air inlet control end 6.3 of electromagnetic voltage adjusting valve 4; And ground terminal 6.2 ground connection of electromagnetic voltage adjusting valve 4, ground terminal 6.5 ground connection of switch electromagnetic valve 3.Gas circuit switches the air inlet gas circuit change-over switch that navigation button switch S 0 is suspension bags 5, and S0 plays a part to switch suspension bags 5 air inlet gas circuit; S1 is the gas-filled switching tube of suspension bags 5, and S2 is the air cock of suspension bags 5, S1 and S2 plays a part regulate car load chassis to raise and decline, by realizing the adjustment to car load chassis height to the operation of three button switchs S0, S1 and S2 successively.
See Fig. 1, described electromagnetic voltage adjusting valve 4 comprises normally closed 2/2-way electromagnetic valve 7 and 2/2-way electromagnetic valve 8 open in usual, and described normally closed 2/2-way electromagnetic valve 7 is air inlet control unit, and described 2/2-way electromagnetic valve open in usual 8 is exhaust gas control unit.The admission port of normally closed 2/2-way electromagnetic valve 7 is the admission port of electromagnetic voltage adjusting valve 4, the air extractor duct of normally closed 2/2-way electromagnetic valve 7 is the air extractor duct of electromagnetic voltage adjusting valve 4, and the air extractor duct of normally closed 2/2-way electromagnetic valve 7 is connected with the admission port of 2/2-way electromagnetic valve 8 open in usual, the air extractor duct of 2/2-way electromagnetic valve 8 open in usual is the exhausr port of electromagnetic voltage adjusting valve 4.
See Fig. 1, described switch electromagnetic valve 3 is 2/2-way electromagnetic valve.
See Fig. 2, often opening Self-resetting gas-filled switching tube and often opening Self-resetting air cock and be in parallel on described control handle 6, and should the two in parallel after and gas circuit switch navigation button switch and be in series.
See Fig. 1, the present invention inflates from gas storage unit 1 point of two gas circuit to suspension bags 5, gas circuit one is connected suspension bags 5 via mechanical type levelling valve 2 with electromagnetic voltage adjusting valve 4 successively from gas storage unit 1, and gas circuit two directly connects suspension bags 5 through switch electromagnetic valve 3 from gas storage unit 1; Three button switchs S0, S1, S2 on control handle 6 connect electromagnetic voltage adjusting valve 4 and switch electromagnetic valve 3 respectively, by controlling the electromagnetic voltage adjusting valve 4 break-make situation different with switch electromagnetic valve 3 to the operation of these three button switchs, realize switching air suspension 5 air inlet gas circuit and implementing inflation/deflation to suspension bags 5 with this, thus realize the adjustment to car load chassis height.
See Fig. 1, when car load does not need to regulate chassis height, button switch S0, S1 and S2 on control handle 6 are all without operation, and gas circuit one normally works, and gas circuit two is in off condition.Pressurized air enters suspension bags 5 via mechanical type levelling valve 2 and electromagnetic voltage adjusting valve 4 successively from gas storage unit 1, now be between the admission port of electromagnetic voltage adjusting valve 4 and air extractor duct between connected state, the air extractor duct of electromagnetic voltage adjusting valve 4 and exhausr port and be in off condition, so time the inflation/deflation of suspension bags 5 is controlled by mechanical type levelling valve 2 completely.Because the fork of mechanical type levelling valve 2 is connected with car load chassis, when car load chassis height changes compared to calibrated altitude, will correspondingly change to the fork angle that car load chassis connects: car load chassis raises, then fork angle becomes large compared to demarcation angle, now the air extractor duct of mechanical type levelling valve 2 is connected with exhausr port, then exit till car load chassis height returns to calibrated altitude to suspension bags 5; It is contrary to car load chassis reduces, then fork angle diminishes compared to demarcation angle, the admission port of mechanical type levelling valve 2 is connected with air extractor duct, then inflate until car load chassis height returns to calibrated altitude suspension bags 5, thus achieve the adjustment to car load chassis height.
See Fig. 1, when needs regulate car load chassis height, first the gas circuit pressed on control handle 6 switches navigation button switch S 0, now the air inlet control end of electromagnetic voltage adjusting valve 4 obtains electric, then become off condition between the admission port of electromagnetic voltage adjusting valve 4 and air extractor duct, this just makes gas circuit one become off condition, then mechanical type control cock 2 pairs of suspension bags 5 inflation and venting function be all cut off.Under gas circuit switching navigation button switch S 0 is in on-state, if car load chassis height need be made to raise, then press often opening Self-resetting gas-filled switching tube S1 and keeping motionless on control handle 6, then the air inlet control end of switch electromagnetic valve 3 obtains electric, the admission port of switch electromagnetic valve 3 is connected with air extractor duct and inflates suspension bags 5, unclamp when car load chassis height rises to demand height and often open Self-resetting gas-filled switching tube S1, then car load chassis keeps new high degree constant; If car load chassis height need be made to decline, then press often opening Self-resetting air cock S2 and keeping motionless on control handle 6, then the gas exhaust inspecting end of electromagnetic voltage adjusting valve 4 obtains electric, the air extractor duct of electromagnetic voltage adjusting valve 4 is connected with exhausr port and carries out bleed air operation to suspension bags 5, unclamp when car load chassis height drops to demand height and often open Self-resetting air cock S2, then car load chassis keeps new high degree constant, thus achieves the adjustment to car load chassis height.
Simultaneously, after the height by control handle 6 pairs of car load chassis regulates, although the function of mechanical type levelling valve 2 is cut off, because its fork is connected with car load chassis, when after the car load height change of chassis, the fork angle of mechanical type levelling valve 2 still can change.When vehicle want to be returned to by the chassis height after regulating original calibrated altitude maybe will travel time, the gas circuit switching navigation button switch S 0 then only need again pressed on control handle 6 makes it disconnect, then mechanical type levelling valve 2 realizes the inflation/deflation control of suspension bags 5 again, and mechanical type levelling valve 2 can regulate car load chassis height according to fork situation now and make car load chassis return to calibrated altitude.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, said structure all should be considered as belonging to protection scope of the present invention.

Claims (4)

1. an Air Suspension for Commercial Vehicles control system, comprise gas storage unit (1), mechanical type levelling valve (2) and suspension bags (5), the admission port of described mechanical type levelling valve (2) is connected with the air extractor duct of gas storage unit (1), it is characterized in that: also include switch electromagnetic valve (3), electromagnetic voltage adjusting valve (4) and control handle (6), (2) air extractor duct of described mechanical type levelling valve is connected with the admission port of electromagnetic voltage adjusting valve (4), the air extractor duct of described electromagnetic voltage adjusting valve (4) is connected with the admission port of suspension bags (5), the admission port of described switch electromagnetic valve (3) is connected with the air extractor duct of gas storage unit (1), the air extractor duct of switch electromagnetic valve (3) is connected with the admission port of suspension bags (5), Self-resetting air cock of often opening on described control handle (6) is connected with the gas exhaust inspecting end of electromagnetic voltage adjusting valve (4), gas circuit on control handle (6) switches navigation button switch and is connected with the air inlet control end of electromagnetic voltage adjusting valve (4), Self-resetting gas-filled switching tube of often opening on control handle (6) is connected with the air inlet control end of switch electromagnetic valve (3).
2. a kind of Air Suspension for Commercial Vehicles control system according to claim 1, it is characterized in that: described electromagnetic voltage adjusting valve (4) comprises normally closed 2/2-way electromagnetic valve (7) and 2/2-way electromagnetic valve open in usual (8), the admission port of described normally closed 2/2-way electromagnetic valve (7) is the admission port of electromagnetic voltage adjusting valve (4), the air extractor duct of normally closed 2/2-way electromagnetic valve (7) is the air extractor duct of electromagnetic voltage adjusting valve (4), and the air extractor duct of normally closed 2/2-way electromagnetic valve (7) is connected with the admission port of 2/2-way electromagnetic valve (8) open in usual.
3. a kind of Air Suspension for Commercial Vehicles control system according to claim 1, is characterized in that: described switch electromagnetic valve (3) is 2/2-way electromagnetic valve.
4. a kind of Air Suspension for Commercial Vehicles control system according to claim 1, it is characterized in that: often opening Self-resetting gas-filled switching tube and often opening Self-resetting air cock and be in parallel on described control handle (6), and should the two in parallel after and gas circuit switch navigation button switch and be in series.
CN201510365931.6A 2015-06-29 2015-06-29 Air suspension control system for commercial vehicle Pending CN105034739A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627027A (en) * 2016-11-18 2017-05-10 安徽江淮汽车集团股份有限公司 Air suspension system with lifting function and control method thereof
CN107187290A (en) * 2017-06-22 2017-09-22 中国第汽车股份有限公司 A kind of mechanical bimodulus air suspension control system
CN108189636A (en) * 2018-01-12 2018-06-22 中国重汽集团济南动力有限公司 A kind of medium-heavy automobile vehicle bridge secondary lifting device
CN111624008A (en) * 2020-05-28 2020-09-04 中国重汽集团济南动力有限公司 ECAS debugging system and method for hinged type bus

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CA2691501A1 (en) * 2009-01-30 2010-07-30 Monroe Truck Equipment Inc. Air suspension control apparatus
CN203600934U (en) * 2013-11-06 2014-05-21 长春暖心科技有限公司 Electronically-controlled lifting device for car air suspension
CN104149573A (en) * 2014-08-25 2014-11-19 大汉汽车集团有限公司 Air suspension leveling control system automatically ascending and descending
CN204701412U (en) * 2015-06-29 2015-10-14 三环集团有限公司 A kind of Air Suspension for Commercial Vehicles control system

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Publication number Priority date Publication date Assignee Title
DE4013670A1 (en) * 1990-04-27 1991-10-31 Man Nutzfahrzeuge Ag OMNIBUS, ESPECIALLY LOW-FLOOR
JPH10166830A (en) * 1996-12-09 1998-06-23 Hino Motors Ltd Shaft load adjusting device
JP2003260917A (en) * 2002-03-08 2003-09-16 Nissan Diesel Motor Co Ltd Car height adjustment device for air suspension vehicle
CN2700148Y (en) * 2004-05-10 2005-05-18 姜铁军 Electric control air suspension lifting and side-inclination device for automobile
CN2837129Y (en) * 2005-09-26 2006-11-15 东风汽车有限公司 Floating bridge control system
US20080111337A1 (en) * 2006-11-10 2008-05-15 Aisin Seiki Kabushiki Kaisha Vehicle height adjusting apparatus
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CN104149573A (en) * 2014-08-25 2014-11-19 大汉汽车集团有限公司 Air suspension leveling control system automatically ascending and descending
CN204701412U (en) * 2015-06-29 2015-10-14 三环集团有限公司 A kind of Air Suspension for Commercial Vehicles control system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106627027A (en) * 2016-11-18 2017-05-10 安徽江淮汽车集团股份有限公司 Air suspension system with lifting function and control method thereof
CN106627027B (en) * 2016-11-18 2018-10-30 安徽江淮汽车集团股份有限公司 A kind of airsuspension system and control method with enhanced feature
CN107187290A (en) * 2017-06-22 2017-09-22 中国第汽车股份有限公司 A kind of mechanical bimodulus air suspension control system
CN108189636A (en) * 2018-01-12 2018-06-22 中国重汽集团济南动力有限公司 A kind of medium-heavy automobile vehicle bridge secondary lifting device
CN108189636B (en) * 2018-01-12 2021-01-22 中国重汽集团济南动力有限公司 Secondary lifting device for axle of medium and heavy truck
CN111624008A (en) * 2020-05-28 2020-09-04 中国重汽集团济南动力有限公司 ECAS debugging system and method for hinged type bus
CN111624008B (en) * 2020-05-28 2022-01-28 中国重汽集团济南动力有限公司 ECAS debugging system and method for hinged type bus

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Application publication date: 20151111