CN1184040A - Air suspending height regulator for vehicle - Google Patents
Air suspending height regulator for vehicle Download PDFInfo
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- CN1184040A CN1184040A CN 97104469 CN97104469A CN1184040A CN 1184040 A CN1184040 A CN 1184040A CN 97104469 CN97104469 CN 97104469 CN 97104469 A CN97104469 A CN 97104469A CN 1184040 A CN1184040 A CN 1184040A
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Abstract
The invention provides an air suspending height regulator for vehicle. It comprises air supplied to an air spring is controlled by electronically controlling a vehicle height adjustment valve according to a detection signal from a vehicle height sensor, and air supplied to the air spring from the vehicle height adjustment valve is switched to either a small-diameter orifice or a large-diameter orifice, so that a large amount of airflow during crouching and a small amount of airflow during leveling are supplied to the air spring for rapid vehicle height adjustment during crouching and for slow vehicle height adjustment during leveling.
Description
The present invention relates to a kind of air suspending height regulator for vehicle, special this device adopts electronics mode to control overall height and adjusts valve and just car body can be maintained the regulation overall height state that falls (Network ラ ウ チ Application グ) (height that reduces stopping port be convenient to passenger getting on/off and make tilting of car body) position and adjust the position of bending, meanwhile, to convert big flow or low discharge to from the charge air that this overall height adjustment valve is supplied with pneumatic spring, fall car body and promptly descend action by bending when changing up and down at the height that makes vehicle, then do moving up and down when normally walking with stable low speed.
Pneumatic Suspension is often utilized in such as vehicles such as city motor buss, utilize this Pneumatic Suspension can when boarding, reduce the height of stopping port, and as bending the boarding that the position just can make things convenient for the passenger is fallen, in addition when vehicle to run when making overall height recover normal overall height, even owing to the uneven of vehicle to run road or when tilting to make wheel to produce up-and-down movement, also can make overall height remain on certain altitude, and be held in the adjustment operation of horizontality as far as possible.
Promptly be, bend when falling car body, can accelerate to bend the speed of falling, promptly make car body along moving up and down, but make the passenger need not to wait for just boarding (getting on or off the bus), can with steady speed car body be moved up and down lentamente during adjustment, and reduce car body produces when walking violent fluctuation up and down (moving) and stable vehicle, and make overall height remain on the overall height position of a certain regulation, thereby accomplish to reduce the destabilization sense that brings the passenger as far as possible.
In the device in the past, when bending when falling car body and adjusting car body, because the air of air suspension system is supplied with, and has used shared air pipe arrangement, the step of its responsiveness is made as unanimity, regulate the speed preferentially in order to make, and guarantee to bend the speed of falling and regulate the speed consistently, institute is so that in the wrong falling needs the regular hour, like this, then must allow the passenger wait for that the regular hour could boarding during the boarding car, this be before the weakness that exists of device.
In addition, make reduction of speed degree in the wrong preferential, and make the words of regulating the speed and being consistent with it, then regulate the speed quickening, car body in causing walking regulating the speed along the vertical direction also accelerates, thereby the comfort level of taking is degenerated, and does in any case and all also do not find a good plan.
Departure point of the present invention is to eliminate the deficiency that exists in the aforementioned past technology and proposes, its purpose is: a kind of air suspending height regulator for vehicle is provided, according to the detection signal that provides by the overall height sensor, employing electronics mode is controlled the air overall height that offers Pneumatic Suspension formula device and is adjusted valve, just can accelerate the operating speed when for example overall height and regulation overall height exist than big-difference, when the overall height height can slow down its operating speed during near specified altitude and implement trickle operation control, also can guarantee to have the control and the adjusting control of falling in the wrong of good ride quality.
In addition, the air switching that utilizes change-over valve to offer air suspension system from the overall height control cock is big flow or low discharge, that is, bend big flow be provided when falling car body, then provide when adjusting low discharge air (to the air suspension device), so, accelerated to bend the speed of falling car body greatly, and when regulating the speed, the overall height adjustment can be carried out lentamente, therefore, bend and to fall the wait time (use hardly etc.) that car body can reduce the passenger, and can implement the stable action adjustment that is fit to.
Charge air when the present invention adjusts by adopting aforementioned structure to reduce reduces the air consumption, thereby has reached the purpose that reduces operating cost.
Another object of the present invention provides a kind of air suspending height regulator for vehicle, owing in change-over valve, set hole, big footpath and path hole in built-in mode, just make air flow circuit pass through one of them hole in two holes by conversion, and the gas delivery volume that will offer Pneumatic Suspension formula device converts big flow or low discharge to, in view of the above, can realize efficiently that just height regulator for vehicle with the Pneumatic Suspension formula is provided in the purpose in the narrow space.
Another object of the present invention provides a kind of air suspending height regulator for vehicle: be provided with 2 pipe arrangement paths of big footpath pipe arrangement and path pipe arrangement, utilize change-over valve to convert one of them path arbitrarily to, because this path is the combination of a kind of simple valve and pipe, so the amount of air that can obtain to offer air suspension system converts the gas return path of big flow or low discharge to, thereby, constituted a kind of very cheap conversion loop
For achieving the above object, the present invention takes following technical scheme:
A kind of air suspending height regulator for vehicle is characterized in that: it is provided with:
The storage tank of storage air;
Be provided in car body and provide described air by aforementioned storage tank between each, with a plurality of pneumatic springs of the aforementioned car body of resilient mounting;
Detection provides the pressure sensor of aforementioned air pressure to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned car body overall height and from the manually operated detection signal that falls switch of bending, and the control setup of aforementioned air or exhaust is supplied with in instruction to aforementioned pneumatic spring;
According to the instruction that provides by this control setup to aforementioned pneumatic spring provide aforementioned air or exhaust aforementioned car body is remained on regulation overall height state the time overall height adjust valve;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, to adjust valve by aforementioned overall height supplies with aforementioned gas or is converted to big flow or low discharge by aforementioned pneumatic spring to the aforementioned gas flow of aforementioned overall height adjustment valve exhaust to aforementioned pneumatic spring
Changing overall height between its overall height adjustment in the overall height adjustment of Qu Jiangshi and usually the time regulates the speed.
A kind of height regulator for vehicle of Pneumatic Suspension formula is characterized in that: it is provided with:
The storage tank of stored air;
Be equipped on car body and provide a plurality of pneumatic springs of resilient mounting on aforementioned car body of aforementioned air by aforementioned storage tank between each;
Detection provides the pressure sensor of gaseous tension to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned car body overall height and from the manually operated detection signal that falls switch of bending, and the control setup of aforementioned gas or discharge gas is supplied with in instruction to aforementioned pneumatic spring;
According to the instruction that provides by this control setup to aforementioned pneumatic spring supply with aforementioned gas or discharge gas aforementioned car body is remained on specified altitude the time overall height adjust valve;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, be used for converting to the hole, large aperture of built-in aforementioned gas flow path or arbitrary hole in hole, small-bore, convert big flow or low discharge adjusting valve to the aforementioned gas of aforementioned pneumatic spring supply or the flow of adjusting the aforementioned gas of valve exhaust to aforementioned overall height by aforementioned pneumatic spring by aforementioned overall height
Its formation makes the overall height of bending when the falling car body quickening of regulating the speed, and the overall height of slowing down is just often regulated the speed;
A kind of air suspending height regulator for vehicle is characterized in that: comprising:
The storage tank of stored-gas;
Be provided in car body and supply with a plurality of pneumatic springs of aforementioned gas by aforementioned storage tank between each with the aforementioned car body of resilient mounting;
Detection is imported from the overall height sensor that detects aforementioned height of the carbody and is reached control setup from instruction to aforementioned pneumatic spring that supply with aforementioned gas or discharge gas from the manually operated detection signal that falls switch in the wrong with to the pressure sensor of aforementioned pneumatic spring supply gas pressure;
Aforementioned gas is provided or discharges the overall height of gas so that aforementioned car body is remained on specified altitude and adjust valve to aforementioned pneumatic spring according to the instruction that provides by this control setup;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, it converts the above-mentioned gas stream in arbitrary pipe arrangement path of large aperture pipe arrangement or small-bore pipe arrangement, convert big flow or low discharge adjusting valve to the aforementioned gas flow that aforementioned pneumatic spring provides aforementioned gas or adjusts valve exhaust by aforementioned pneumatic spring to aforementioned overall height by aforementioned overall height
Its formation makes the quickening of regulating the speed of the overall height of Qu Jiangshi, and the overall height of slowing down is just often regulated the speed.
In a word, the invention is characterized in: in order to allow regulating the speed of overall height change between the overall height adjustment of Qu Jiangshi and overall height are just often adjusted, the structure of the height regulator for vehicle of this Pneumatic Suspension mode comprises: the storage tank of storage air; Be equipped on car body and provide aforementioned air by aforementioned storage tank between each, with a plurality of pneumatic springs of resilient mounting on aforementioned car body; Detection is imported from the overall height sensor of the aforementioned height of the carbody of detection and from manually operated to the pressure sensor of aforementioned pneumatic spring supply gas pressure and is bent the detection signal that falls switch and instruct control setup from discharge gas to aforementioned pneumatic spring that supply with aforementioned gas or; According to the instruction that provides by this control setup to aforementioned pneumatic spring supply with aforementioned gas or discharge gas aforementioned height of the carbody is remained on specified altitude the time overall height adjust valve; Adjust adjusting valve by aforementioned overall height and aforementioned gas is provided or converts the change-over valve of big flow or low discharge by aforementioned pneumatic spring to the aforementioned gas flow of aforementioned overall height adjustment valve exhaust between valve and the aforementioned pneumatic spring with being provided in this overall height to aforementioned pneumatic spring.
In addition, feature of the present invention also is: the overall height that the overall height when falling car body for accelerating to bend is regulated the speed, slowed down is just often regulated the speed, and the structure of this device comprises: the storage tank of stored-gas; Be provided in car body and between each by aforementioned storage tank provide aforementioned gas with a plurality of pneumatic springs of resilient mounting on aforementioned car body; Detection provides the pressure sensor of gaseous tension to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned height of the carbody and from the manually operated detection signal that falls switch in the wrong that falls car body of bending, and order provides the control setup of aforementioned gas or discharge gas to aforementioned pneumatic spring; According to the instruction that provides by this control setup to aforementioned pneumatic spring aforementioned gas is provided or discharge gas aforementioned car body is remained on specified altitude the time overall height adjust valve; Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, be used to convert to the hole, large aperture or the hole, small-bore of built-in aforementioned gas flow path, aforementioned gas be provided or convert big flow or low discharge to the aforementioned gas flow of aforementioned overall height control cock exhaust to aforementioned pneumatic spring by aforementioned pneumatic spring adjusting valve by aforementioned overall height.
In addition, the invention is characterized in: the overall height when falling car body for accelerating to bend is regulated the speed, and the overall height of slowing down is just often regulated the speed, and the structure of this device has: the storage tank of stored-gas; Be provided in car body and between each by aforementioned storage tank provide aforementioned gas with a plurality of pneumatic springs of resilient mounting on aforementioned car body; Detection provides the pressure sensor of gaseous tension to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned height of the carbody and from the manually operated detection signal that falls switch in the wrong that falls of bending, and order provides the control setup of aforementioned gas or exhaust to aforementioned pneumatic spring; According to the control setup that aforementioned gas or exhaust are provided by this control setup; According to the instruction that provides by this control setup to aforementioned pneumatic spring aforementioned gas is provided or discharge gas aforementioned car body is remained on specified altitude the time overall height adjust valve; Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, it converts the above-mentioned gas stream arbitrary pipe arrangement path of large aperture pipe arrangement or small-bore pipe arrangement to, aforementioned air will be provided or convert big flow or low discharge by aforementioned pneumatic spring to the aforementioned gas flow of aforementioned overall height control cock exhaust to aforementioned pneumatic spring adjusting valve by aforementioned overall height.
Good effect of the present invention:
The present invention is owing to adopted foregoing basis to provide the overall height of air to adjust valve by the detection signal electron steering that the overall height sensor provides to AIRMATIC Dual Control, so, for example can accelerate significantly working as overall height and the asynchronous operating speed of regulation overall height, and can fine control when the operating speed of overall height during near the regulation overall height, also make operating speed slack-off this moment.Simultaneously, also can very be controlled to be the control that speed when obtaining good ride quality and enforcement speed are adjusted effectively.
In addition, owing to can utilize change-over valve to become big flow or low discharge from the air switching that the overall height control cock offers Pneumatic Suspension formula device, promptly, bend when falling when mass flow air being offered air suspension system adjusting overall height, the low discharge air is offered Pneumatic Suspension formula device, like this, to make and bend the quickening of reduction of speed degree, simultaneously also can be effectively carry out the adjustment of overall height when slack-off making to regulate the speed, thereby, fall operation by car body in the wrong, need not to allow again the passenger wait for just and can get on or off the bus, and can stablize, best action adjustment.
In addition,,, the consumption of air can be reduced again, also operating cost can be reduced so both can reduce the charge air when adjusting owing to adopted aforementioned structure.
In addition, owing to set hole, big footpath and path hole in built-in mode in the change-over valve, and air flow circuit any Kong Yuqi by is wherein changed, so the air delivery volume that offers air suspension system can be converted to big flow or low discharge, in addition, obvious effects is to dispose the height regulator for vehicle of Pneumatic Suspension formula in narrow space efficiently.
In addition, owing to be provided with big footpath pipe arrangement and 2 pipe arrangement paths of path pipe arrangement, its change-over valve is convertible into any one path wherein, so, the only combination by a kind of simple valve and pipe, just can obtain the amount of air of air supply suspension gear is converted to the air flue of big flow and low discharge, its result can provide a kind of very cheap conversion loop.
Following with reference to accompanying drawing, describe embodiments of the invention in detail:
Fig. 1 represents that the airline of the air suspending height regulator for vehicle of first embodiment of the invention reaches and the block diagram of electrical relation.
Fig. 2 be first embodiment of the invention the height regulator for vehicle air loop main portion and with the block diagram of electrical relation.
When Fig. 3 represents the adjustment of first embodiment of the invention the air loop of each state and with the block diagram of electrical relation.
Fig. 4 be the expression first embodiment of the invention Qu Jiangshi each state air loop and with the block diagram of electrical relation.
Fig. 5 be second embodiment of the invention the Pneumatic Suspension formula height regulator for vehicle main air loop and with the block diagram of electrical relation.
Fig. 6 be the expression second embodiment of the invention each state air loop and with the block diagram of electrical relation.
Fig. 7 be the expression second embodiment of the invention each state air loop and with the block diagram of electrical relation.
Below, contrast description of drawings embodiments of the invention.Among Fig. 1 and Fig. 2, the height regulator for vehicle 1 that relates to the hang of the first embodiment of the present invention is equipped with air storage tank 2, pneumatic spring 3, control setup 4, overall height adjustment valve 5 and change-over valve 6.
The air that air holder 2 will compress stores, and offers pneumatic spring 3 as required, and is connected with air compressor by driven by engine, and the gas storage that this compressor will be compressed by air compressor is so that offer vehicle 13 each one.
A/D converter 19 is connected with power supply 17, and just can make by M/C and to bend fall in the wrong and fall switch 21, detect the sensor 22 of vehicle 13, overall height and detect to each pneumatic spring 3 and provide the pressure sensor 23 of air pressure to realize being electrically connected by lead 24, and will switch 21, overall height sensor 22, and the detection wire size conveying control device 4 of pressure sensor 23 fall from bending.
In addition, D/A converter 20, be electrically connected with overall height adjustment valve 5 and change-over valve 6 respectively by lead 25, lead 26, the output signal that is sent by control setup 4 is delivered to overall height adjustment valve 5 and change-over valve 6, thereby makes this overall height adjustment valve and change-over valve 6 carry out work.
The effect that overall height is adjusted valve 5 is control provides air and a device from exhaust to each power spring 3, it is by the flow channel 5a that is connected with storage tank 2, the escape route 5b and the escape route 5a that link to each other with each change-over valve 6, escape route 5b that links to each other with each change-over valve 6 and escape route 5c constitute, join by air pipe 8 and storage tank 2 between flow channel 5a and the pressure-modulation valve 9, link to each other with each pneumatic spring 3 by air pipe 28 between escape route 5b and the change-over valve 6.
Change-over valve 6 is a kind of devices that the charge air that offers pneumatic spring 3 can be converted to big flow or low discharge, the inside of change-over valve is respectively equipped with path hole 6a and big footpath hole 6b, the principle of work of this valve is to have utilized the off working state of electromagnet 6c or the mode that mode of operation converts thereof into the state of path hole 6a or big footpath hole 6b, and it is to carry out bonded assembly by air pipe 28 that overall height is adjusted between valve 5 and each pneumatic spring.
In addition, the air suspending height regulator for vehicle 30 of the represented second embodiment of the present invention of Fig. 5 is provided with storage tank 2, pneumatic spring 3, control setup 4, overall height and adjusts valve 5 and change-over valve 31.Change-over valve 31 is provided with flow channel 31a and 2 escape route 31b, 31c, and flow channel 31a and escape route 31c are connected, and in addition, flow channel 31a is connected with escape route 31c.
Large-diameter pipe road 32 communicates with escape route 31b, path pipeline 33 then is connected with discharge 31c, this large-diameter pipe road 32 and path pipeline 33 except be connected on pneumatic spring 3 on hollow tubular 34 be connected, remainder is all identical with first embodiment, so identical part is attached with identical symbol, and omits corresponding explanation.
The present invention has aforesaid structure, puts up with their explanation that is used as below.When vehicle 13 walking, (consulting Fig. 3) bent and fallen switch 21 and opened circuit, and can't pass through from the electric current of power supply 17, and institute is so that electromagnet 6c is in off working state, so change-over valve 6 is in the state with the 6a side conducting of path hole.
When the overall height height of vehicle 13 is compared with the overall height of regulation when changing, this variable quantity will detect and send to control setup 4 by overall height sensor 22, this control setup 4 is transferred to overall height by lead 25 with action command and adjusts valve 5, when the height of car is lower than specified altitude, from the air of storage tank 2 via choker relief valve 8, overall height will be along the direction of arrow A and B after adjusting valve 5, and along the arrow C direction, path hole 6a by change-over valve 6, offer each pneumatic spring 3 in the direction of arrow D via coreless valve 28, each pneumatic spring 3 expands under air effect and car body 10 is lifted along the arrow E direction overall height is increased.
In addition, when the height of car is higher than the regulation overall height, make overall height adjust valve 5 work by instruction from control device 4, and make the air in the pneumatic spring 3 adjust the direction outflow of valve 5, and make pneumatic spring 3 shortenings and car body 10 is reduced along arrow F direction along the exhaust of arrow J direction through escape route 5c along arrow G, H, I by path hole 6a, the overall height of change-over valve 6.
The moving up and down of producing along with the walking of vehicle 13, be that overall height is compared with the regulation overall height and during the difference that produces, can repeat by aforementioned operation, like this, to make overall height remain at a certain specified altitude state, at this moment, the air that flows into pneumatic spring 3 or flow out, be subjected to the prevention of path hole 6a and flow is reduced, make moving up and down of car body 10 become slow, because of non-rapid moving up and down, thus stable regulating the speed can be obtained, and can guarantee good action adjustment when taking mood.
As the Qu Jiangshi that reduces overall height for the boarding that makes things convenient for the passenger, in Fig. 4, switch falls when operation is in the wrong, and when making it be in closed condition, power supply 17 is switched on, control setup 4 places mode of operation with the electromagnet 6c of change-over valve 6, and the in-to-in stream is switched to hole, big footpath 6b side by path hole 6a side, and big footpath hole 6b becomes the state that is conducted with choker relief valve 8,28.
When reducing overall height, air in the pneumatic spring 3 is adjusted valve 5 by big footpath hole 6b, the overall height of change-over valve 6 and is flowed out along arrow G, H, I direction, and by exhaust (going out) passage 5c along the exhaust apace of arrow J direction, and pneumatic spring is shortened, at this moment, car body 10 will promptly be lowered along arrow F direction, thereby greatly facilitate passenger's boarding.
In addition, after the boarding, when once more overall height being returned to when being fit to walking high-order, overall height is adjusted valve 5 according to carrying out work from the instruction of control setup 4, at this moment, air from storage tank 2 is adjusted valve 5 flow arrows A and B direction by choker relief valve 8, overall height, and offer each pneumatic spring 3 by the big footpath hole 6b of change-over valve 6 and via choker relief valve 28 along arrow D direction along the arrow C direction, and pneumatic spring 3 is expanded and promptly lift car body 10 along the arrow E direction, make the overall height involution to normal condition, vehicle 13 just can be walked.
Below with reference to Fig. 6 and Fig. 7, the effect of second embodiment is described, when under normal walking states, adjusting, owing to do not need the switch that falls in the wrong in the application drawing 6, therefore, the electromagnet 31e of change-over valve 31 is in off working state, and be connected with flow channel 31a and escape route 31c, path pipeline 33 is connected with choker relief valve 34, flow into air in the pneumatic spring 3 or that flow out from storage tank 2, the gas that becomes low discharge because of the prevention that is subjected to path pipeline 33 is supplied with or is discharged, and makes car body 10 action along the vertical direction become both slow, stable again, can adjust simultaneously.
Among Fig. 7, fall switch 21 and be placed in closed circuit state when bending to bend when falling, control setup 4 will make the electromagnet 31e of change-over valve 31 be positioned at mode of operation, and the conversion stream makes large-diameter pipe road 32 become the state that is conducted with choker relief valve 34.
When reducing overall height, air in the pneumatic spring 3 flows into change-over valve 31 by large-diameter pipe road 32 along arrow V direction, and adjust the escape route 5c of valve 5 along the quick exhaust of arrow T direction from overall height, and the compression pneumatic spring 3 car body 10 is reduced rapidly along the arrow P direction, up to car being reduced to the position that falls in the wrong of being convenient to boarding.
In addition, after the boarding, when desire is placed on a high position with overall height, overall height is adjusted valve 5 and will be worked according to the instruction that is provided by control setup, at this moment, the air from storage tank 2 flows, and offers large-diameter pipe road 32 and offer each pneumatic spring 3 along arrow N direction along arrow K, L direction by choker relief valve 8, overall height adjustment valve 5 and change-over valve 31, this air expands pneumatic spring 3 and along arrow O direction car body 10 is promptly lifted, and makes overall height return to the normal state that also can make vehicle to run.
Claims (3)
1. air suspending height regulator for vehicle, it is characterized in that: it is provided with:
The storage tank of storage air;
Be provided in car body and provide described air by aforementioned storage tank between each, with a plurality of pneumatic springs of the aforementioned car body of resilient mounting;
Detection provides the pressure sensor of aforementioned air pressure to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned car body overall height and from the manually operated detection signal that falls switch of bending, and the control setup of aforementioned air or exhaust is supplied with in instruction to aforementioned pneumatic spring;
According to the instruction that provides by this control setup to aforementioned pneumatic spring provide aforementioned air or exhaust aforementioned car body is remained on regulation overall height state the time overall height adjust valve;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, to adjust valve by aforementioned overall height supplies with aforementioned gas or is converted to big flow or low discharge by aforementioned pneumatic spring to the aforementioned gas flow of aforementioned overall height adjustment valve exhaust to aforementioned pneumatic spring
Changing overall height between its overall height adjustment in the overall height adjustment of Qu Jiangshi and usually the time regulates the speed.
2. the height regulator for vehicle of a Pneumatic Suspension formula, it is characterized in that: it is provided with:
The storage tank of stored air;
Be equipped on car body and provide a plurality of pneumatic springs of resilient mounting on aforementioned car body of aforementioned air by aforementioned storage tank between each;
Detection provides the pressure sensor of gaseous tension to aforementioned pneumatic spring, input is from the overall height sensor that detects aforementioned car body overall height and from the manually operated detection signal that falls switch of bending, and the control setup of aforementioned gas or discharge gas is supplied with in instruction to aforementioned pneumatic spring;
According to the instruction that provides by this control setup to aforementioned pneumatic spring supply with aforementioned gas or discharge gas aforementioned car body is remained on specified altitude the time overall height adjust valve;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, be used for converting to the hole, large aperture of built-in aforementioned gas flow path or arbitrary hole in hole, small-bore, convert big flow or low discharge adjusting valve to the aforementioned gas of aforementioned pneumatic spring supply or the flow of adjusting the aforementioned gas of valve exhaust to aforementioned overall height by aforementioned pneumatic spring by aforementioned overall height
Its formation makes the overall height of bending when the falling car body quickening of regulating the speed, and the overall height of slowing down is just often regulated the speed;
3. air suspending height regulator for vehicle is characterized in that: comprising:
The storage tank of stored-gas;
Be provided in car body and supply with a plurality of pneumatic springs of aforementioned gas by aforementioned storage tank between each with the aforementioned car body of resilient mounting;
Detection is imported from the overall height sensor that detects aforementioned height of the carbody and is reached control setup from instruction to aforementioned pneumatic spring that supply with aforementioned gas or discharge gas from the manually operated detection signal that falls switch in the wrong with to the pressure sensor of aforementioned pneumatic spring supply gas pressure;
Aforementioned gas is provided or discharges the overall height of gas so that aforementioned car body is remained on specified altitude and adjust valve to aforementioned pneumatic spring according to the instruction that provides by this control setup;
Change-over valve, it is provided in this overall height and adjusts between valve and the aforementioned pneumatic spring, it converts the above-mentioned gas stream in arbitrary pipe arrangement path of large aperture pipe arrangement or small-bore pipe arrangement, convert big flow or low discharge adjusting valve to the aforementioned gas flow that aforementioned pneumatic spring provides aforementioned gas or adjusts valve exhaust by aforementioned pneumatic spring to aforementioned overall height by aforementioned overall height
Its formation makes the quickening of regulating the speed of the overall height of Qu Jiangshi, and the overall height of slowing down is just often regulated the speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33482296A JPH10157432A (en) | 1996-11-30 | 1996-11-30 | Vehicle height adjusting device of air suspension |
| JP334822/96 | 1996-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1184040A true CN1184040A (en) | 1998-06-10 |
Family
ID=18281612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97104469 Pending CN1184040A (en) | 1996-11-30 | 1997-06-18 | Air suspending height regulator for vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH10157432A (en) |
| CN (1) | CN1184040A (en) |
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| CN100361835C (en) * | 2005-10-17 | 2008-01-16 | 吉林大学 | Multiple work position height control mechanism for automobile suspension |
| CN100436174C (en) * | 2003-08-21 | 2008-11-26 | 斯堪尼亚有限公司 | Arrangement in a vehicle with air suspension |
| CN102131664A (en) * | 2008-08-30 | 2011-07-20 | 威伯科有限公司 | Electropneumatic control arrangement for automatic vehicle level control system |
| CN102378711A (en) * | 2009-04-07 | 2012-03-14 | 奥地利西门子公司 | Method for controlling a pneumatic spring assembly of a motor vehicle |
| CN102481822A (en) * | 2009-03-27 | 2012-05-30 | 大陆-特韦斯贸易合伙股份公司及两合公司 | Motor vehicle having a ride-control system |
| CN102666152A (en) * | 2009-12-23 | 2012-09-12 | 威伯科有限公司 | Valve device for an air suspension system |
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| CN104669976A (en) * | 2013-11-29 | 2015-06-03 | 爱信精机株式会社 | Vehicle height adjustment apparatus |
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| CN105620219A (en) * | 2014-12-01 | 2016-06-01 | 陕西重型汽车有限公司 | Vehicle body height control device and method used for vehicle air spring suspension |
| CN109421462A (en) * | 2017-08-24 | 2019-03-05 | 丰田自动车株式会社 | Vehicle height control system |
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| KR20030032137A (en) * | 2001-10-16 | 2003-04-26 | 기아자동차주식회사 | Method and apparatus for giving a warning by a wrong of air spring |
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1996
- 1996-11-30 JP JP33482296A patent/JPH10157432A/en active Pending
-
1997
- 1997-06-18 CN CN 97104469 patent/CN1184040A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100436174C (en) * | 2003-08-21 | 2008-11-26 | 斯堪尼亚有限公司 | Arrangement in a vehicle with air suspension |
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| CN102131664B (en) * | 2008-08-30 | 2014-07-02 | 威伯科有限公司 | Electropneumatic control arrangement for automatic vehicle level control system |
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| CN102378711A (en) * | 2009-04-07 | 2012-03-14 | 奥地利西门子公司 | Method for controlling a pneumatic spring assembly of a motor vehicle |
| US9399474B2 (en) | 2009-04-07 | 2016-07-26 | Siemens Ag Oesterreich | Method for controlling a pneumatic spring assembly of a motor vehicle |
| CN102378711B (en) * | 2009-04-07 | 2015-11-25 | 奥地利西门子公司 | For controlling the method for the air spring device of vehicle |
| CN102666152B (en) * | 2009-12-23 | 2015-09-23 | 威伯科有限公司 | For the valve gear of air suspension device |
| CN102666152A (en) * | 2009-12-23 | 2012-09-12 | 威伯科有限公司 | Valve device for an air suspension system |
| CN103770595A (en) * | 2012-10-23 | 2014-05-07 | 约斯特（上海）汽车部件有限公司 | Axle lifting device |
| CN103770595B (en) * | 2012-10-23 | 2015-11-25 | 约斯特（上海）汽车部件有限公司 | A kind of axletree jacking system |
| CN104669972A (en) * | 2013-11-27 | 2015-06-03 | 源捷公司 | Reactive air suspension system and method of application |
| CN104669976A (en) * | 2013-11-29 | 2015-06-03 | 爱信精机株式会社 | Vehicle height adjustment apparatus |
| CN104669976B (en) * | 2013-11-29 | 2018-03-02 | 爱信精机株式会社 | Height of car adjusting apparatus |
| CN105437904A (en) * | 2014-09-22 | 2016-03-30 | 通用汽车环球科技运作有限责任公司 | Vehicle and a height adjustment system for the vehicle |
| US9751374B2 (en) | 2014-09-22 | 2017-09-05 | GM Global Technology Operations LLC | Vehicle and a height adjustment system for the vehicle |
| CN105437904B (en) * | 2014-09-22 | 2018-02-16 | 通用汽车环球科技运作有限责任公司 | Vehicle and the height adjustment system for vehicle |
| CN105620219A (en) * | 2014-12-01 | 2016-06-01 | 陕西重型汽车有限公司 | Vehicle body height control device and method used for vehicle air spring suspension |
| CN109421462A (en) * | 2017-08-24 | 2019-03-05 | 丰田自动车株式会社 | Vehicle height control system |
| CN109421462B (en) * | 2017-08-24 | 2022-03-01 | 丰田自动车株式会社 | Vehicle height control system |
| CN113580869A (en) * | 2021-08-30 | 2021-11-02 | 中车长春轨道客车股份有限公司 | Novel rail vehicle height adjusting device |
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| JPH10157432A (en) | 1998-06-16 |
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