CN111216509B - Online inflating device and method for automobile air suspension - Google Patents
Online inflating device and method for automobile air suspension Download PDFInfo
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- CN111216509B CN111216509B CN202010087744.7A CN202010087744A CN111216509B CN 111216509 B CN111216509 B CN 111216509B CN 202010087744 A CN202010087744 A CN 202010087744A CN 111216509 B CN111216509 B CN 111216509B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
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- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an online inflation device and method for an automobile air suspension, which comprises a power supply negative electrode wire, a power supply +12V positive electrode wire, an air inlet pipe, an inflation device, a connecting wire harness and an inflation pipe, wherein the connecting wire harness is connected with the inflation pipe; the negative line of the power supply and the positive line of the power supply +12V are connected with a vehicle storage battery and are used for converting the 12V voltage of the storage battery into the working voltage required by the inflating device; the air inlet pipe is connected to a production line air source and is an inflation air source of the inflation device; the connecting wire harness is used for connecting the air charging device and the electromagnetic valve to control the electromagnetic valve by the air charging device; the air tube delivers air from the inflator to the solenoid valve for inflation of the vehicle suspension system. The invention can realize the quick inflation of the air suspension of the whole vehicle without depending on the air suspension controller and the whole vehicle signal when the whole vehicle production line is assembled and only under the condition that the compressed air of the production line is normal, so that the vehicle can fall to the ground and normally move, and the trial-manufacture site resource is saved.
Description
Technical Field
The invention relates to an online inflation method and device for an automobile air suspension, in particular to an online inflation device and method for a trial-manufacture sample car air suspension system.
Background
Suspension performance is generally very important to the performance of an automotive chassis, which affects both the handling stability and comfort of the vehicle. However, the two are contradictory, and the vehicle comfort with high operation stability is reduced, whereas the vehicle with good comfort has poor operation stability. In order to ensure that the vehicle has good operation stability and comfort, the air suspension system well solves the pair of contradictions, and the air spring in the system performs air pressure control through air charging and discharging, so that the air spring can be softened or hardened according to the requirements of users.
Usually, in a sample car in a trial production stage, the air suspension is inflated and deflated by virtue of an air suspension system, but the air suspension system cannot be inflated due to air suspension control software or other input signals which are wrong, lost and the like, so that the assembly time of the sample car is prolonged, and resources of a trial production field are occupied.
Disclosure of Invention
The invention aims to solve the problem of providing an online inflating device and method for an automobile air suspension, which can effectively utilize production line resources without being influenced by an air suspension controller and a whole automobile signal, realize quick inflation of the air suspension, enable a vehicle to fall to the ground and move normally, and save trial-manufacture site resources.
However, the object of the present invention is not limited to the above-mentioned matters, and other objects not mentioned will be clearly understood by the practitioner in the art from the following description.
An online inflation device for an automobile air suspension comprises a power supply negative electrode wire 1, a power supply +12V positive electrode wire 2, an air inlet pipe 3, an inflation device 4, a connecting wire harness 5 and an inflation pipe 6;
the power supply negative electrode line 1 and the power supply +12V positive electrode line 2 are connected with a vehicle storage battery and are used for converting 12V voltage of the storage battery into working voltage required by the inflating device 4;
the air inlet pipe 3 is connected to a production line air source and is an inflation air source of the inflation device 4;
the connecting wire harness 5 is used for connecting the air charging device 4 and the electromagnetic valve 7, and the air charging device 4 controls the electromagnetic valve 7;
the inflation tube 6 delivers air from the inflator 4 to the solenoid valve 7 for inflation of the vehicle suspension system.
The inflation device in the technical scheme comprises a power supply module 13, a voltage display module 14, an Exhust switch 15, an Open switch 16, an FL switch 17, an FR switch 18, an RL switch 19, an RR switch 20, an Exhust lamp 21, an Open lamp 22, an FL lamp 23, an FR lamp 24, an RL lamp 25 and an RR lamp 26;
a negative electrode output by the power supply module 13 is simultaneously connected with 6 switches, namely an Exhust switch 15, an Open switch 16, an FL switch 17, an FR switch 18, an RL switch 19 and an RR switch 20, which are used for respectively controlling air exhaust, air intake, a left front air spring, a right front air spring, a rear left air spring and a rear right air spring of an air suspension; the back of each switch is connected with the control input end of the electromagnetic valve 7, and 6 indicator lamps, namely an Exhust lamp 21, an Open lamp 22, an FL lamp 23, an FR lamp 24, an RL lamp 25 and an RR lamp 26 are respectively connected in parallel in the circuit and used for indicating the on-off of the related control circuit;
the positive pole of the voltage display module 14 is connected with the voltage signal output end of the air pressure sensor of the electromagnetic valve 7, and the negative pole is connected with the negative pole of the power module 13.
In the technical scheme, the inflating device 4 further comprises 1 input joint 27 which is used for connecting a compressed air inlet pipe 3 of a production line; 1 flow regulating valve 28 for flow rate regulation during inflation; an output connector 29 for connecting the inflation tube 6 of the vehicle air suspension solenoid valve;
the air inlet pipe 3 is connected to an input connector 27 of the air charging device 4, and then the air flow passes through a flow regulating valve 28 and is output from the air charging device 4 through an output connector 29 to be connected with the electromagnetic valve 7 through the air charging pipe 6.
The voltage display module in the technical scheme receives a voltage signal generated by a pressure sensor in the electromagnetic valve, displays a voltage value at the moment, and then determines the system pressure corresponding to the air suspension at the moment according to the calibrated corresponding relation between the voltage and the system pressure.
An online inflation method for an automobile air suspension comprises the following steps:
and 4, turning on an inflation main switch which is an Open switch 16, then sequentially turning on corresponding subsystem inflation switches which are respectively an FL switch 17, an FR switch 18, an RL switch 19 and an RR switch 20, turning off the corresponding switches when the voltage reaches a preset value, completing inflation of the corresponding subsystems, turning off the inflation main switch after all the subsystems are inflated, and completing inflation of the whole vehicle system.
In the step 2, when the measured output voltage is not 5V, the adjustment button should be rotated until the measured output voltage is 5V.
In the step 4, when a certain switch is turned on or off, the corresponding indicator lamp is turned on or off to indicate the working state of the online inflating device of the automobile air suspension.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the online inflating device and the online inflating method for the automobile air suspension, disclosed by the embodiment of the invention, because the compressed air of the production line is used as an air source for inflating, the condition that the automobile compressor stops working due to overheating does not exist; because only the storage battery and the electromagnetic valve are utilized on the vehicle electric appliance, the vehicle electric appliance is not influenced by the on-off of other wire harnesses, an air suspension controller and signals of other controllers.
However, the effects of the present invention are not limited to the effects described above, and other effects not described are clearly understood by practitioners in the art from the description of the scope of the claims.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is an external connection diagram of an embodiment of the present invention;
FIG. 2 is an electrical schematic of an application of an embodiment of the present invention;
FIG. 3 is a schematic diagram of the gas circuit of the apparatus of the embodiment of the present invention;
FIG. 4 is a control panel diagram of an apparatus of an embodiment of the present invention;
in the figure: 1. a negative electrode; 2. a positive electrode; 3. an air inlet pipe; 4. an inflator; 5. a wire harness; 6. an inflation tube; 7. an electromagnetic valve; 8. an air cylinder; 9. a front left air spring; 10. a front right air spring; 11. a rear left air spring; 12. a rear right air spring; 13. a power supply module; 14. a voltage display module; 15. an Exhust switch; 16. an Open switch; 17. an FL switch; 18. an FR switch; 19. an RL switch; 20. an RR switch; 21. an Exhust lamp; 22. an Open lamp; 23. an FL lamp; 24. an FR lamp; 25. an RL light; 26. an RR lamp; 27. an input connector; 28. a flow regulating valve; 29. an output connector;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
the advantages and features of the present invention, as well as methods of accomplishing the same, will be understood more clearly by reference to the following detailed description of embodiments and the accompanying drawings. The present invention is not limited to the embodiments disclosed below, but may be embodied in various forms, which are intended to give full disclosure to the invention and to inform those of ordinary skill in the art of the scope of the invention, which is defined by the scope of the claims.
In order to achieve the technical problem, an inline inflation device of an air suspension according to an embodiment of the present invention includes: the power supply wire harness, the control wire harness and the internal wire harness are used for power supply and signal transmission; the power supply conversion module is used for converting 12V of a vehicle power supply into 5V of a device system power supply; the voltage display module reads the numerical value of the electromagnetic valve and displays the numerical value on a display screen; 6 switches are used for respectively controlling the on-off of the inflation pipelines of the inflation pipeline, the exhaust pipeline, the left front air spring, the right front air spring, the left rear air spring and the right rear air spring; 6 indicator lamps are used for respectively displaying the states of inflation pipelines of the inflation pipeline, the exhaust pipeline, the left front air spring, the right front air spring, the left rear air spring and the right rear air spring; the device also uses a vehicle storage battery to provide power for the air charging device; a vehicle air suspension system, an inflated device; and the electromagnetic valve is used for controlling the on-off of the air path of the air suspension system.
Also, a method for using an online inflator for an air suspension of a vehicle according to an embodiment of the present invention includes: step 1, setting a flow limiting valve of an online inflating device, and ensuring that potential safety hazards caused by too fast inflation and the inflating efficiency caused by too slow inflation cannot be influenced when an air suspension is inflated; step 2, setting and detecting the power supply module, measuring the output voltage of the power supply module by using a voltmeter or a multimeter, and ensuring that the output voltage of the power supply module is 5V; step 3, connecting the online inflating device with the air sources of the vehicle and the production line; and 4, turning on an inflation main switch, then sequentially turning on the subsystem inflation switches, turning off the switches when the voltage reaches a preset value, and completing inflation of the corresponding subsystems, wherein after all the subsystems are inflated, the whole vehicle system is inflated.
Hereinafter, an online inflation device and method of an air suspension of an automobile according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the external connection diagram of the online inflation device of the automobile air suspension according to the embodiment of the invention comprises a power line cathode 1, a power line +12V anode 2, and a vehicle storage battery, wherein the power line cathode 1 is used for connecting the vehicle storage battery to supply power for the device; the air inlet pipe 3 is connected with a compressed air source of the production line and is used as a power source for inflating the device; the air charging device 4 mainly integrates the electrical control and air circuit conversion of the device; the wiring harness 5 is used for being arranged in the electromagnetic valve for communication; the gas-filled tube 6 is connected with a gas port of the electromagnetic valve; the electromagnetic valve 7 is mainly in electrical communication and gas circuit connection with the inflating device and controls a gas circuit of a vehicle suspension system; the air storage cylinder 8 is used for storing compressed air and is reserved for an air suspension system; the front left air spring 9, the front right air spring 10, the rear left air spring 11 and the rear right air spring 12 are air springs of four wheels of the vehicle respectively.
As shown in fig. 2, according to the electrical schematic diagram of the online inflator for the automotive air suspension of the embodiment of the present invention, a power module 13 inside the inflator 4 is connected to the vehicle battery through a negative power line 1 and a positive power line 2 of +12V, and functions to convert the voltage of the battery 12V into the operating voltage required by the solenoid valve 7; the +5V output by the power module 13 is directly connected with the positive electrode of the electromagnetic valve 7, and the negative electrode output by the power module 13 is simultaneously connected with an Exhust switch 15, an Open switch 16, an FL switch 17, an FR switch 18, an RL switch 19 and an RR switch 20 to respectively control the exhaust and air intake of the air suspension, the left front air spring, the right front air spring, the rear left air spring and the rear right air spring; the back of each switch is connected with the control input end of the electromagnetic valve 7, and meanwhile, the circuit is respectively connected with an indicator lamp Exhust lamp 21, an Open lamp 22, an FL lamp 23, an FR lamp 24, an RL lamp 25 and an RR lamp 26 in parallel, and the indicator lamps are used for indicating the break of the related control circuit; the positive pole of the voltage display module 14 is connected with the voltage signal output end of the air pressure sensor of the electromagnetic valve 7, and the negative pole is connected with the negative pole of the power module 13. And the voltage display module 14 displays the voltage sensed by the pressure in the electromagnetic valve on a display screen of the module.
As shown in fig. 3, the gas path schematic diagram of the online inflator for an automotive air suspension according to the embodiment of the present invention is connected to an intake input connector 27 of an inflator 4 through an intake pipe 3, and then the gas flow passes through a flow regulating valve 28, is output from the inflator through an output connector 29, and is connected to a solenoid valve 7 through an inflation pipe 6.
Hereinafter, an online inflation method of an air suspension of an automobile will be described according to an embodiment of the present invention.
And step 2, setting and detecting the power module 13. After the device is connected with a 12V power supply, the output voltage of the power supply module 13 is measured by using a voltmeter, the voltage is ensured to be 5V, if the measurement result does not meet 5V, the adjustment nut of the power supply module 13 is rotated, and then the measurement is carried out again until the voltage result meets 5V, so that the whole inflating device is ensured to work.
And step 3, connecting the inflating device 4 with a production line and a vehicle. The air charging system is connected with a vehicle storage battery through a +12V power line 2 and a negative power line 1, and the air charging system is connected with the electromagnetic valve through a wiring harness 5; the compressed air source of the production line is connected with an input joint 27 of the air charging device 4 by an air inlet pipe 3; the output connector 29 of the inflator 4 is connected to the solenoid valve 7 by the inflation tube 6.
And 4, turning on the open switch 16, turning on the indicator lamp 22 at the moment, turning on the Exhust switch 15, turning on the indicator lamp Exhust lamp 21, if gas is exhausted, indicating that the system works normally, and if no gas is exhausted, turning off the power line 1 and the power line 2, repeating the steps after troubleshooting until the system works normally, turning off the Exhust switch 15, and turning off the Exhust lamp 21.
And 5, turning on the FL switch 17, lighting the indicator lamp 23, inflating the front left air spring at the moment, turning off the FL switch 17 when the voltage value on the display screen 30 reaches a preset value, turning off the indicator lamp FL 23, and ending inflation of the front left air spring at the moment. And repeating the steps, and inflating the other three air springs.
The predetermined voltage value in the above-described step 5 is obtained by referring to the relationship between the voltage and the air pressure when the solenoid valve 7 is designed. For the above-described step 5, the front two air springs or the rear two air springs may be inflated simultaneously, so as to improve the inflation efficiency.
Those having ordinary skill in the art to which the present specification pertains will appreciate that the present specification can be implemented in other specific forms without changing the technical ideas or essential features thereof. The embodiments described above are therefore to be considered in all respects as illustrative and not restrictive. In contrast to the above detailed description, the scope of the present specification is defined by the scope of the patent claims to be described later, and all modifications or alterations derived from the meaning and scope of the patent claims and the equivalent concept thereof are included in the scope of the present invention.
Claims (7)
1. The utility model provides an online aerating device of car air suspension which characterized in that:
comprises a power supply negative electrode wire (1), a power supply +12V positive electrode wire (2), an air inlet pipe (3), an air charging device (4), a connecting wire harness (5) and an air charging pipe (6);
the power supply negative electrode wire (1) and the power supply +12V positive electrode wire (2) are connected with a vehicle storage battery and are used for supplying power to the air charging device (4) by utilizing the electric energy of the storage battery;
the air inlet pipe (3) is connected to a production line air source and is an inflation air source of the inflation device (4);
the connecting wire harness (5) is used for connecting the air charging device (4) and the electromagnetic valve (7) to realize the control of the air charging device (4) on the electromagnetic valve (7);
an inflation tube (6) delivers air from the inflator (4) to a solenoid valve (7) for inflation of the vehicle suspension system.
2. The on-line inflation device for an automobile air suspension as claimed in claim 1, wherein:
the inflation device (4) comprises a power supply module (13), a voltage display module (14), an Exhust switch (15), an Open switch (16), a FL switch (17), an FR switch (18), a RL switch (19), a RR switch (20), an Exhust lamp (21), an Open lamp (22), a FL lamp (23), an FR lamp (24), a RL lamp (25) and a RR lamp (26);
the negative pole output by the power supply module (13) is simultaneously connected with 6 switches, namely an Exhust switch (15), an Open switch (16), an FL switch (17), an FR switch (18), an RL switch (19) and an RR switch (20), and the Exhust switch, the Open switch, the FL switch, the FR switch, the RL switch and the RR switch respectively control the air exhaust and the air intake of the air suspension, and respectively control the left front air spring, the right front air spring, the rear left air spring and the rear right air spring; the back of each switch is connected with the control input end of the electromagnetic valve (7), and the circuit is respectively connected with 6 indicator lamps in parallel, wherein the indicator lamps are respectively an Exhust lamp (21), an Open lamp (22), an FL lamp (23), an FR lamp (24), an RL lamp (25) and an RR lamp (26) and are used for indicating the on-off of the related control circuit;
the positive pole of the voltage display module (14) is connected with the voltage signal output end of the air pressure sensor of the electromagnetic valve (7), and the negative pole is connected with the negative pole of the power supply module (13).
3. The on-line inflation device for an automobile air suspension as claimed in claim 2, wherein:
the inflating device (4) also comprises 1 input joint (27) which is used for connecting a compressed air inlet pipe (3) of a production line; 1 flow regulating valve (28) for flow rate regulation during inflation; an output connector (29) for connecting a gas filling pipe (6) of a vehicle air suspension solenoid valve;
the air inlet pipe (3) is connected to an input connector (27) of the air charging device (4), then the air flow passes through the flow adjusting valve (28), is output from the air charging device (4) through an output connector (29), and is connected with the electromagnetic valve (7) through the air charging pipe (6).
4. The on-line inflation device for an automobile air suspension as claimed in claim 2, wherein:
the voltage display module receives a voltage signal generated by a pressure sensor in the electromagnetic valve, displays a voltage value at the moment, and then determines the system pressure corresponding to the air suspension at the moment according to the calibrated corresponding relation between the voltage and the system pressure.
5. An online inflation method for an automobile air suspension is characterized by comprising the following steps:
step 1, setting a flow regulating valve (28) of an online inflating device to ensure that potential safety hazards caused by too fast inflation and influence on inflation efficiency caused by too slow inflation are avoided when an air suspension is inflated;
step 2, setting and detecting the power supply module (13), measuring the output voltage of the power supply module by using a voltmeter or a universal meter, and ensuring that the output voltage of the power supply module is 5V;
step 3, connecting an online inflating device of the automobile air suspension with an air source of a vehicle and a production line;
and 4, turning on an inflation main switch, wherein the inflation main switch is an Open switch (16), turning on corresponding subsystem inflation switches in sequence, the corresponding subsystem inflation switches are respectively an FL switch (17), an FR switch (18), an RL switch (19) and an RR switch (20), turning off the corresponding switches when the voltage reaches a preset value, completing inflation of the corresponding subsystems, turning off the inflation main switch after all the subsystems are inflated, and completing inflation of the whole vehicle system.
6. The method for on-line inflating an air suspension of a vehicle as claimed in claim 5, wherein in the step 2, when the measured output voltage is not 5V, the adjustment button should be rotated until the measured output voltage is 5V.
7. The online inflation method for the air suspension of the automobile as claimed in claim 5, wherein in the step 4, when a certain switch is turned on or off, the corresponding indicator lamp is turned on or off to indicate the working state of the online inflation device for the air suspension of the automobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010087744.7A CN111216509B (en) | 2020-02-11 | 2020-02-11 | Online inflating device and method for automobile air suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010087744.7A CN111216509B (en) | 2020-02-11 | 2020-02-11 | Online inflating device and method for automobile air suspension |
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| CN111216509A CN111216509A (en) | 2020-06-02 |
| CN111216509B true CN111216509B (en) | 2022-09-13 |
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| CN115111522B (en) * | 2022-06-27 | 2023-10-03 | 中国第一汽车股份有限公司 | Air cylinder inflating method of air suspension system, air suspension system and vehicle |
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