CN207549895U - A kind of electric-control system of light-duty commercial vehicle air suspension - Google Patents
A kind of electric-control system of light-duty commercial vehicle air suspension Download PDFInfo
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- CN207549895U CN207549895U CN201721225355.6U CN201721225355U CN207549895U CN 207549895 U CN207549895 U CN 207549895U CN 201721225355 U CN201721225355 U CN 201721225355U CN 207549895 U CN207549895 U CN 207549895U
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Abstract
A kind of electric-control system of light-duty commercial vehicle air suspension disclosed in the utility model, it is characterised in that it includes integrate EUC, mounted on the left and right height sensor of left and right suspension guide mechanism, the left and right air spring on left and right suspension, air supply unit and a control button；The air supply unit is connect by the control valve group in the integrated ECU and gas circuit with the left and right air spring；Control circuit in the integrated ECU is electrically connected with the left and right height sensor, the air supply unit, the control valve group and the control button.The utility model can set the parameter of different patterns according to different demands so that vehicle has elevating function.
Description
Technical field
The utility model is related to the air suspension electric-control system in automotive field, more particularly to a kind of light-duty commercial vehicle is empty
The electric-control system of gas suspension.
Background technology
Traditional commercial car suspension system is using the spring of steel or leaf spring etc. as elastic element, using this suspension pattern
When, vehicle chassis adjustment always needs to find a fine equalization point among maneuverability and comfort.If improve manipulation
Stability can then influence riding comfort；If improving riding comfort, vehicle handling stability can reduce again.However it adopts
During with airsuspension system, automobile chassis is connect with wheel by air bag, and the shock and vibration on road surface can preferably be isolated and make an uproar
Sound also improves the handling of vehicle while comfort is improved, gives the best match of both performances of driver, this is
What traditional suspension was not achieved.Airsuspension system is widely used, and has been applied successfully to bus, coach and heavy type
On truck, in foreign countries, some top grade SUV, ambulance and police cars also successfully employ airsuspension system.It is now more to meet
Demand of the user of memberization to airsuspension system, the inventor of the utility model have developed a kind of light-duty commercial vehicle air and hang
The electric-control system of frame.
Utility model content
The technical problem to be solved by the utility model is to provide it is a kind of can according to different demands set it is different
The parameter of pattern so that vehicle has a kind of electric-control system of light-duty commercial vehicle air suspension of elevating function.
Technical problem to be solved in the utility model can be achieved through the following technical solutions：
A kind of electric-control system of light-duty commercial vehicle air suspension, including integrated EUC, mounted on left and right suspension Guiding machine
The left and right height sensor of structure, the left and right air spring on left and right suspension, air supply unit and a control button；Institute
Air supply unit is stated to connect with the left and right air spring by the control valve group in the integrated ECU and gas circuit；The collection
Into the control circuit in ECU and the left and right height sensor, the air supply unit, the control valve group and the control
Button is electrically connected.
In a preferred embodiment of the utility model, an air accumulator is further included, the air accumulator passes through described integrated
Control valve group and gas circuit in ECU are connect with the left and right air spring and air supply unit.
In a preferred embodiment of the utility model, the control circuit in the integrated ECU can also connect vehicle
Circuit obtains speed, car door signal.
In a preferred embodiment of the utility model, the control button tool is there are three types of working condition, wherein first
The left and right air spring is in normal place to kind working condition in order to control, is travelled for urban road and general road；Second
The left and right air spring is in reduction position to kind working condition in order to control, and occupant is facilitated to get on or off the bus or cargo unloads, vehicle is sailed
Enter ground library etc.；The left and right air spring is in raised position to the third working condition in order to control, in uneven and
The road travelings such as miriness.
In a preferred embodiment of the utility model, it is provided with to show that vehicle traveling is high on the control button
The signal lamp of degree position simultaneously can carry out typical fault diagnosis by signal lamp and show.
In a preferred embodiment of the utility model, the signal lamp is LED signal indicator light.
As a result of technical solution as above, the utility model installs left and right height on left and right suspension guide mechanism
Sensor, when tire moves up and down continually changing high-degree of conversion be electric signal, passed in integrated ECU by harness
Control circuit.Control circuit in integrated ECU realizes various control models by the program of write-in, also with fail safe strategy
And the security strategy based on CAN communication and adaptive height adjusting function.
The utility model, which integrates ECU, to adjust bodywork height, while root by control button with external control button
Judge current bodywork height and system mode according to the display of the LED signal indicator light of control button.As the integrated ECU of control
During external control button, vehicle body can be adjusted by control button to 3 kinds of different height；In vehicular motion, pass through
The signal with the parameter being previously set in software is compared after collecting the signal of different sensors, enters different moulds
Formula.Under different patterns, air supply unit carries out start and stop, and inflation/deflation, the final control realized to bodywork height are carried out to air bag.
The utility model has the following advantages：
1. the parameter of different patterns can be set according to different demands so that vehicle has elevating function.Normal
When driving, can cause in useful load difference, offset frequency can design position offset frequency it is equally low, have good comfortable
Property；When vehicle is after a period of time is run at high speed on good road surface, vehicle body can be reduced by one section of height, to improve traveling
Dynamic property and air drag, while also improve operational stability；It, can be by the near highest shape of vehicle body when surface conditions are poor
State, to improve trafficability；It, can be by the near minimum state of vehicle body, member to be facilitated to get on or off the bus in parking.
2. system uses big section into the solenoid valve of (going out) gas port so that lifting process becomes very fast；
3. system parts are few, installation is simple, reduces assembly cost.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the scheme of installation of the electric-control system of the light-duty commercial vehicle air suspension of the utility model.
Fig. 2 is gas circuit schematic diagram of the electric-control system without air accumulator of the light-duty commercial vehicle air suspension of the utility model.
Fig. 3 is gas circuit schematic diagram of the electric-control system with air accumulator of the light-duty commercial vehicle air suspension of the utility model.
Fig. 4 is control circuit signal of the electric-control system of the light-duty commercial vehicle air suspension of the utility model with air accumulator
Figure.
Specific embodiment
In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, the electric-control system of light-duty commercial vehicle air suspension shown in figure is by integrated ECU1, air supply unit
(air compressor and intake and exhaust pipeline, drying system) 2, left height sensor 3, right height sensor 6, left air spring 4, the right side
The compositions such as air spring 5, supply air line, harness.Wherein left height sensor 3, right height sensor 6 are separately mounted to left and right
On suspension guide mechanism 7,8, left air spring 4, right air spring 5 are separately mounted on left and right suspension 9,10.
When axle is beated, the sideway bar in left height sensor 3, right height sensor 6 rotates and drives corresponding electricity
Pivot moves along a straight line up and down in coil, and the induction coefficient of coil is caused to change, and the control circuit in integrated ECU1 detects this sensing
The variation of coefficient simultaneously converts thereof into altitude figure signal.In addition to elevation information, integrated ECU1 also receives vehicle speed sensor transmission
The information such as the supply gas pressure that the pressure sensor in the speed information that comes over, supply air line passes over.Then it integrates in ECU1
Control circuit integrate all input information, judge current vehicle condition according to its internal control logic, excitation is integrated
Controlling the work of the control valve group of air compressor 2 and left air spring 4, right air spring 5 in ECU1.
Referring to Fig. 2, the gas circuit of the electric-control system (without air accumulator) of the light-duty commercial vehicle air suspension of the utility model by
Air compressor, air dryer 2a, check-valves 3a, check-valves 3b, exhaust shutter 4a, exhaust electromagnetism in air supply system 2
Valve 5a, pneumatic exhaust solenoid valve 6a, silencer 7a, air cleaner 8a, left air bag solenoid valve 9a, right air bag solenoid valve 9b, a left side
Control circuit PCBA 1a compositions in air spring 4, right air spring 5 and integrated ECU1.
Left air bag solenoid valve 9a, right air bag solenoid valve 9b and control circuit PCBA1a are integrated in integrated ECU1.
When the control circuit 1a in integrated ECU1 judges that left air spring 4 or/and right air spring 5 need inflation, supply
It is connected under the control of control circuit PCBA 1a of the air compressor in integrated ECU1 in gas system 2, in air supply system 2
Air compressor works, and gas enters the left air bag electromagnetism in integrated ECU1 by air dryer 2a, check-valves 3a
Valve 9a or/and right air bag solenoid valve 9b, enters eventually into left air spring 4 or/and right air spring 5.
When the control circuit PCBA 1a in integrated ECU1 judge that left air spring 4 or/and right air spring 5 need to deflate
When, left air bag solenoid valve 9a or/and right air bag solenoid valve 9b are opened, gas by left air spring 4 or/and right air spring 5 into
Cross solenoid valve 9b, exhaust solenoid valve 5a and pneumatic exhaust solenoid valve 6a discharges behind left back solenoid valve 9a or/and the right side.
Referring to Fig. 3, the gas circuit of the electric-control system (with air accumulator) of the light-duty commercial vehicle air suspension of the utility model is by supplying
Gas system 2, check-valves 3a, check-valves 3b, exhaust shutter 4a, exhaust solenoid valve 5a, is pneumatically vented electromagnetism at air dryer 2a
Valve 6a, silencer 7a, air cleaner 8a, left air bag solenoid valve 9a, right air bag solenoid valve 9b, left air spring 4, right air bullet
Control circuit PCBA 1a compositions in spring 5, air accumulator 14, air accumulator solenoid valve 12, pressure sensor 13 and integrated ECU1.
The operation principle of its electric-control system with the light-duty commercial vehicle air suspension without air accumulator is essentially identical, mainly
Difference lies in air accumulator solenoid valve 12 and pressure sensor 13 are mounted on inside integrated ECU1.
Referring to Fig. 4, the control circuit of the electric-control system (with air accumulator) of the light-duty commercial vehicle air suspension of the utility model
It is made of PCBA 1a, control button 15 and peripheral circuit, PCBA 1a and the compressor in control button 15, air supply system 2
Relay 2b, compressor start solenoid valve 2c, left air bag solenoid valve, right air bag solenoid valve, air accumulator solenoid valve, pressure sensing
Device, vehicle speed sensor electrical connection.Connection mode is the prior art, is not being repeated herein.
There are three types of working conditions for the tool of control button 15, and wherein left and right air spring is in the first working condition in order to control
Normal place travels for urban road and general road；Second of working condition is in order to control at the left and right air spring
In reducing position, occupant is facilitated to get on or off the bus or cargo unloads, vehicle drives into ground library etc.；The third working condition is described in order to control
Left and right air spring is in raised position, in the road travelings such as uneven spy and miriness.It is set on control button 15
There is the signal lamp for showing bodywork height.
Claims (5)
1. a kind of electric-control system of light-duty commercial vehicle air suspension, which is characterized in that including integrated EUC, mounted on left and right outstanding
The left and right height sensor of frame guiding mechanism, the left and right air spring on left and right suspension, air compressor and a control
Button processed；The air compressor passes through the control valve group in the integrated ECU and gas circuit and the left and right air spring
Connection；Control circuit and the left and right height sensor, air supply unit, the control valve group and institute in the integrated ECU
State control button electrical connection.
2. a kind of electric-control system of light-duty commercial vehicle air suspension as described in claim 1, which is characterized in that further include one
Air accumulator, the air accumulator pass through the control valve group in the integrated ECU and gas circuit and the left and right air spring and confession
Gas unit connects.
3. a kind of electric-control system of light-duty commercial vehicle air suspension as claimed in claim 1 or 2, which is characterized in that described
Control circuit in integrated ECU can also connect vehicle circuitry and obtain speed, car door signal.
A kind of 4. electric-control system of light-duty commercial vehicle air suspension as described in claim 1, which is characterized in that the control
There are three types of working conditions for button tool, and wherein the left and right air spring is in normal place to the first working condition in order to control, use
It is travelled in urban road and general road；The left and right air spring is in reduction position, side to second of working condition in order to control
Just occupant gets on or off the bus or Di Ku is driven into cargo unloading, vehicle；The left and right air spring is in the third working condition in order to control
Raised position, in uneven and muddy road surface traveling.
A kind of 5. electric-control system of light-duty commercial vehicle air suspension as claimed in claim 4, which is characterized in that the control
It is provided with to show that the signal lamp of vehicle ride height position can simultaneously be carried out typically by signal lamp on button
Fault diagnosis is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225355.6U CN207549895U (en) | 2017-09-22 | 2017-09-22 | A kind of electric-control system of light-duty commercial vehicle air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225355.6U CN207549895U (en) | 2017-09-22 | 2017-09-22 | A kind of electric-control system of light-duty commercial vehicle air suspension |
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| Publication Number | Publication Date |
|---|---|
| CN207549895U true CN207549895U (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721225355.6U Active CN207549895U (en) | 2017-09-22 | 2017-09-22 | A kind of electric-control system of light-duty commercial vehicle air suspension |
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| CN (1) | CN207549895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624637A (en) * | 2019-01-03 | 2019-04-16 | 南京依维柯汽车有限公司 | A kind of four gasbags Semi-active air suspension system |
-
2017
- 2017-09-22 CN CN201721225355.6U patent/CN207549895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624637A (en) * | 2019-01-03 | 2019-04-16 | 南京依维柯汽车有限公司 | A kind of four gasbags Semi-active air suspension system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190219 Address after: No. 1055 Fuhai Road, Jiading Industrial Zone, Jiading District, Shanghai, 201821 Patentee after: Shanghai Komman Vehicle Component System Stock Co., Ltd. Address before: 201815 3-storey Building No. 1399 Xindian Road, Jiading District, Shanghai Patentee before: Shanghai Auto Parts System Co., Ltd. |
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| TR01 | Transfer of patent right |