CN111624008B - ECAS debugging system and method for hinged type bus - Google Patents
ECAS debugging system and method for hinged type bus Download PDFInfo
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- CN111624008B CN111624008B CN202010468745.6A CN202010468745A CN111624008B CN 111624008 B CN111624008 B CN 111624008B CN 202010468745 A CN202010468745 A CN 202010468745A CN 111624008 B CN111624008 B CN 111624008B
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Abstract
The invention provides an ECAS debugging system and a debugging method for an articulated bus, which comprise the following steps: the device comprises a relay control assembly, an air storage cylinder, a lifting switch, an air bag assembly, an exhaust control assembly, an air charging and exhausting electromagnetic valve group and a power supply device for supplying power to electrical elements in the system; the problem that the air bag cannot maintain pressure when an ECAS vehicle assembled by an articulated bus and an electronic air suspension system is off line of a chassis is solved; the problem that the airbag of the vehicle cannot be inflated due to the fact that a main air source of an electronic air suspension system is not smooth is solved; the method solves the problem that after the electronic air suspension system is adjusted to the normal design height of the vehicle, the zero point and the balance bar of the height sensor are adjusted to the optimal state in time under the condition of not influencing the production rhythm; the debugging system effectively improves the product quality and improves the production construction efficiency.
Description
Technical Field
The invention relates to the technical field of articulated buses, in particular to an ECAS debugging system and a debugging method for an articulated bus.
Background
An Articulated bus (benday bus) is a member of public transportation and belongs to a bus. It is usually designed as a single layer and comprises two bus compartments. Its capacity is large and its passenger capacity is high, so that the articulated passenger car is often used for quick bus. Articulated buses are typically about 18 meters (59 feet) in length. A variation of the articulated bus is a double articulated bus, which has two trailer sections instead of one, as is found in europe, and china has also produced double articulated buses, model jnp6250g, which have a capacity of about 200 people and a length of about 25 meters (82 feet). Articulated buses are in widespread use today.
In the field of articulated buses, a 18-meter articulated bus is provided with a vehicle model of an electronic air suspension (ECAS) system, the chassis cannot reach the normal design height due to the limitation of the arrangement structure of the whole vehicle, the whole vehicle belongs to an online production state and is positioned at a chassis station, the electrification operation and the distribution material installation are carried out at subsequent stations, and the limitation conditions of electrification are not allowed in the online production state, so that the vehicle cannot pass through a lifter when falling to the ground, cannot normally fall to the ground, and the problem of colliding with the skirt edge exists; secondly, 5 serious problems that the air inlet and outlet pipeline is reversely connected, a main air source is not smooth, the zero point of the height sensor and the balance rod are not easy to adjust and the like easily occur in the installation process of the air bag control pipeline, and the production and construction quality is affected. The problem is inevitable, the construction efficiency is seriously influenced, the one-time off-line qualification rate of the whole vehicle is seriously influenced, and the quality level of the whole vehicle is greatly reduced by repeated trimming.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an ECAS debugging system for an articulated bus, which comprises: the device comprises a relay control assembly, an air storage cylinder, a lifting switch, an air bag assembly, an exhaust control assembly, an air charging and exhausting electromagnetic valve group and a power supply device for supplying power to electrical elements in the system;
an air supply pipeline mechanism air charging end of the air charging and exhausting electromagnetic valve group is connected with the air storage cylinder;
the air supply pipeline mechanism exhaust end of the air charging and exhausting electromagnetic valve group is connected with an air outlet;
the air bag connecting end of the air supply pipeline mechanism of the air charging and exhausting electromagnetic valve group is connected with the air bag component;
the first end of the lifting switch and the first end of the exhaust control assembly are respectively connected with the anode of the power supply device;
the second end of the exhaust control assembly is connected with the first end of the coil of the relay control assembly;
the second end of the coil of the relay control assembly is connected with the negative electrode of the power supply device;
the second end of the lifting switch is connected with the first end of an inflation electromagnetic valve coil in the inflation and exhaust electromagnetic valve group;
a second end of an inflation electromagnetic valve coil in the inflation and exhaust electromagnetic valve group is connected with the negative electrode of the power supply device;
the first end of a normally open contact of the relay control assembly is connected with the anode of the power supply device;
the second end of a normally open contact of the relay control assembly is connected with the first end of an air charging and discharging coil in the air charging and discharging electromagnetic valve group;
and the second end of the charging and discharging coil in the charging and discharging electromagnetic valve group is connected with the negative electrode of the power supply device.
Further, it should be noted that the method further includes: a front left indicator light and a front right indicator light;
the airbag module includes: a front left airbag and a front right airbag;
the air charging and exhausting electromagnetic valve group is provided with a front axle electromagnetic valve group;
the exhaust gas control assembly includes: a front left switch and a front right switch;
the first end of the front left switch is connected with the anode of the power supply device; the second end of the front left switch is connected with the first end of a first front axle coil of the relay control assembly; the second end of a first front axle coil of the relay control assembly is connected with the negative electrode of the power supply device;
the second end of the lifting switch is connected with the first end of a front axle inflation solenoid valve coil in the front axle solenoid valve group; the second end of the front axle inflation electromagnetic valve coil is connected with the negative electrode of the power supply device;
a first end of a normally open contact of a first front axle of the relay control assembly is connected with the anode of the power supply device;
a second end of a first front axle normally open contact of the relay control assembly is respectively connected with a first end of a first front axle air charging and discharging coil and a first end of a front left indicator lamp in the front axle electromagnetic valve group; the second end of the front left indicator light is connected with the negative electrode of the power supply device;
a second end of a first front axle air charging and discharging coil in the front axle electromagnetic valve group is connected with the negative electrode of the power supply device;
the air bag connecting end of the air supply pipeline mechanism matched with the first front axle air charging and discharging coil is connected with the front left air bag;
an air supply pipeline mechanism air charging end matched with a front axle air charging electromagnetic valve coil in the front axle electromagnetic valve group is connected with the air storage cylinder;
the first end of the front right switch is connected with the anode of the power supply device; the second end of the front right switch is connected with the first end of a second front bridge coil of the relay control assembly; the second end of a second front axle coil of the relay control assembly is connected with the negative electrode of the power supply device;
a first end of a second front axle normally open contact of the relay control assembly is connected with the anode of the power supply device;
a second end of a second front axle normally open contact of the relay control assembly is respectively connected with a first end of a second front axle air charging and discharging coil and a first end of a front right indicator lamp in the front axle electromagnetic valve group; the second end of the front right indicator light is connected with the negative electrode of the power supply device;
a second end of a second front axle air charging and discharging coil in the front axle electromagnetic valve group is connected with the negative electrode of the power supply device;
and the air bag connecting end of the air supply pipeline mechanism matched with the second front axle air charging and discharging coil is connected with the front right air bag.
Further, it should be noted that the method further includes: a middle left indicator light and a middle right indicator light;
the exhaust control assembly further includes: a middle left switch and a middle right switch;
the charging and exhausting electromagnetic valve group is also provided with a middle bridge electromagnetic valve group;
the airbag module further includes: a middle left air bag and a middle right air bag;
the first end of the middle left switch is connected with the anode of the power supply device; the second end of the middle left switch is connected with the first end of a first middle bridge coil of the relay control assembly; the second end of a first middle bridge coil of the relay control assembly is connected with the negative electrode of the power supply device;
the second end of the lifting switch is connected with the first end of a middle bridge inflation solenoid valve coil in the middle bridge solenoid valve group; the second end of the coil of the middle bridge inflation electromagnetic valve is connected with the negative electrode of the power supply device;
the first end of a first middle bridge normally open contact of the relay control assembly is connected with the anode of the power supply device;
a second end of a first middle bridge normally open contact of the relay control assembly is respectively connected with a first end of a first middle bridge air charging and discharging coil and a first end of a middle left indicator lamp in a middle bridge electromagnetic valve group; the second end of the middle left indicator light is connected with the negative electrode of the power supply device;
the second end of a first middle bridge air charging and discharging coil in the middle bridge electromagnetic valve group is connected with the negative electrode of the power supply device;
the air bag connecting end of the air supply pipeline mechanism matched with the first middle bridge air charging and discharging coil is connected with the middle left air bag;
an air supply pipeline mechanism air charging end matched with a middle bridge air charging electromagnetic valve coil in the middle bridge electromagnetic valve group is connected with the air storage cylinder;
the first end of the middle-right switch is connected with the anode of the power supply device; the second end of the middle right switch is connected with the first end of a second middle bridge coil of the relay control assembly; the second end of a second middle bridge coil of the relay control assembly is connected with the negative electrode of the power supply device;
the first end of a second middle bridge normally open contact of the relay control assembly is connected with the anode of the power supply device;
a second end of a second middle bridge normally open contact of the relay control assembly is respectively connected with a first end of a second middle bridge air charging and discharging coil and a first end of a middle right indicator lamp in the middle bridge electromagnetic valve group; the second end of the middle right indicator light is connected with the negative electrode of the power supply device;
a second end of a second middle bridge air charging and discharging coil in the middle bridge electromagnetic valve group is connected with the negative electrode of the power supply device;
and the air bag connecting end of the air supply pipeline mechanism matched with the second middle bridge air inflation and exhaust coil is connected with the middle right air bag.
Further, it should be noted that the method further includes: a rear left indicator light and a rear right indicator light;
the exhaust control assembly further includes: a rear left switch and a rear right switch;
the air charging and exhausting electromagnetic valve group is also provided with a rear axle electromagnetic valve group;
the airbag module further includes: a rear left airbag and a rear right airbag;
the first end of the rear left switch is connected with the anode of the power supply device; the second end of the rear left switch is connected with the first end of a first rear axle coil of the relay control assembly; the second end of the first rear axle coil of the relay control assembly is connected with the negative electrode of the power supply device;
the second end of the lifting switch is connected with the first end of a rear axle inflation solenoid valve coil in the rear axle solenoid valve group; the second end of the rear axle inflation electromagnetic valve coil is connected with the negative electrode of the power supply device;
a first end of a normally open contact of a first rear axle of the relay control assembly is connected with the anode of the power supply device;
a second end of a first rear axle normally open contact of the relay control assembly is respectively connected with a first end of a first rear axle charging and discharging coil and a first end of a rear left indicator lamp in the rear axle electromagnetic valve group; the second end of the rear left indicator light is connected with the negative electrode of the power supply device;
a second end of a first rear axle air charging and discharging coil in the rear axle electromagnetic valve group is connected with the negative electrode of the power supply device;
the air bag connecting end of the air supply pipeline mechanism matched with the first rear axle inflation and exhaust coil is connected with the rear left air bag;
an air supply pipeline mechanism air charging end matched with a rear axle air charging electromagnetic valve coil in the rear axle electromagnetic valve group is connected with the air storage cylinder;
the first end of the rear right switch is connected with the anode of the power supply device; the second end of the rear right switch is connected with the first end of a second rear axle coil of the relay control assembly; the second end of a second rear axle coil of the relay control assembly is connected with the negative electrode of the power supply device;
a first end of a second rear axle normally open contact of the relay control assembly is connected with the anode of the power supply device;
a second end of a second rear axle normally open contact of the relay control assembly is respectively connected with a first end of a second rear axle charging and discharging coil and a first end of a rear right indicator lamp in the rear axle electromagnetic valve group; the second end of the rear right indicator light is connected with the negative electrode of the power supply device;
a second end of a second rear axle air charging and discharging coil in the rear axle electromagnetic valve group is connected with the negative electrode of the power supply device;
and the air bag connecting end of the air supply pipeline mechanism matched with the second rear axle inflation and exhaust coil is connected with the rear right air bag.
Further, it should be noted that the method further includes: a full-control switch and a full-control indicator light;
the first end of the full-control switch is connected with the anode of the power supply device;
the second end of the full control switch is respectively connected with the first end of the coil of the relay control assembly and the second end of the exhaust control assembly through a diode;
the first end of the full-control indicator lamp is connected with the negative electrode of the power supply device;
and the second end of the full-control indicator lamp is connected with the second end of the full-control switch.
Further, it should be noted that the method further includes: a lifting switch indicator light;
the first end of the lifting switch indicator light is connected with the negative electrode of the power supply device; the second end of the lifting switch indicator light is connected with the second end of the lifting switch.
Further, it should be noted that the method further includes: debugging the platform;
the debugging platform is provided with a bracket; a battery bracket is arranged at the position of the bracket close to the bottom;
a relay control panel is arranged at the position close to the top of the bracket; two ends of the relay control panel are provided with wire carrying holes;
the bracket is provided with an electric wire hanging rack.
The invention also provides an ECAS debugging method for the articulated bus, which comprises the following steps:
closing the front left switch, electrifying the first front axle coil, and closing the first front axle normally open contact; the first front axle charging and discharging coil is electrified, and the electromagnetic valve is closed;
the front left air bag is connected with an air outlet through a first front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the front left air bag enters an exhaust state;
closing the lifting switch, and electrifying the front axle inflation solenoid valve coil; the front axle inflating electromagnetic valve acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front left air bag is communicated with the air storage cylinder, and the front left air bag enters an inflating state.
It is further noted that the method further comprises:
closing the middle left switch, electrifying the first middle bridge coil, and closing the first middle bridge normally open contact; the first middle bridge air charging and discharging coil is electrified, and the electromagnetic valve is closed;
the middle left air bag is connected with an air outlet through a first middle bridge electromagnetic valve, a middle bridge inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the middle left air bag enters an exhaust state;
closing the lifting switch, and electrifying the front axle inflation solenoid valve coil; the middle bridge inflating electromagnetic valve acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the middle left air bag is communicated with the air storage cylinder, and the middle left air bag enters an inflating state.
It is further noted that the method further comprises:
closing the front right switch, electrifying the second front axle coil, and closing the second front axle normally open contact; the second front axle charging and discharging coil is electrified, and the electromagnetic valve is closed;
the front right air bag is connected with an air outlet through a second front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the front right air bag enters an exhaust state;
closing the lifting switch, and electrifying the front axle inflation solenoid valve coil; the front axle inflating electromagnetic valve acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front right air bag is communicated with the air storage cylinder, and the front right air bag enters an inflating state.
According to the technical scheme, the invention has the following advantages:
the ECAS debugging system for the articulated bus solves the problem that an air bag cannot maintain pressure when an ECAS vehicle assembled by an electronic air suspension system of an 18-meter articulated bus is off line of a chassis; when the whole vehicle falls off during online production, the debugging system can be utilized to improve the height of the chassis of the whole vehicle so as to prevent the batch scraping and rubbing of skirt edges; the problem that air bag control pipelines on the left side and the right side of a control valve of an electronic air suspension system are reversely connected is solved; the problem that the airbag of the vehicle cannot be inflated due to the fact that a main air source of an electronic air suspension system is not smooth is solved; the method solves the problem that after the electronic air suspension system is adjusted to the normal design height of the vehicle, the zero point and the balance bar of the height sensor are adjusted to the optimal state in time under the condition of not influencing the production rhythm; the electronic air suspension system solves the problems that the time for the electronic air suspension system to be off-line is too long, the faults caused by construction errors are found in advance, the problems are found before the electronic air suspension system falls off, the faults are corrected in time, the error occurrence rate is reduced, the production efficiency is improved, and the single-vehicle debugging and calibration time can be reduced and compressed for 20 min. The debugging system effectively improves the product quality and improves the production construction efficiency.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an ECAS debugging system for an articulated bus;
FIG. 2 is a front view of a debug platform;
FIG. 3 is a left side view of a debugging platform;
FIG. 4 is a top view of a debug platform;
fig. 5 is a perspective view of a debugging platform.
Description of reference numerals:
1 power supply device, 2 lifting switch, 3 front left switch, 4 front right switch, 5 middle left switch, 6 middle right switch, 7 middle left airbag, 8 middle right airbag, 9 full control switch, 10 relay control assembly, 11 air reservoir, 12 front axle electromagnetic valve group, 13 middle axle electromagnetic valve group, 14 rear axle electromagnetic valve group, 15 front left airbag, 16 front right airbag, 17 middle left airbag, 18 middle right airbag, 19 rear left airbag, 20 rear right airbag, 21 lifting switch indicator light, 22 front left indicator light, 23 front right indicator light, 24 middle left indicator light, 25 middle right indicator light, 26 rear left indicator light, 27 rear right indicator light, 28 full control indicator light, 31 first front axle charging and discharging coil, 32 second front axle charging and discharging coil, 33 front axle charging and discharging electromagnetic valve, 311 first front axle normally open contact, 321 second front axle normally open contact, 41 first middle axle charging and discharging coil, 42 second middle axle charging and discharging coil, 43 middle axle inflation solenoid valve, 411 first middle axle normally open contact, 421 second middle axle normally open contact, 51 first rear axle inflation and exhaust coil, 52 second rear axle normally open contact, 511 first rear axle normally open contact, 521 second rear axle normally open contact, 61 support, 62 relay control panels, 63 wire hanger, 64 battery bracket, 65 carry out the line hole.
Detailed Description
The invention relates to an ECAS debugging system for an articulated bus, which uses two groups of storage batteries to provide a 24V power supply for the system, after a rocker switch is pressed down, an action instruction is transmitted to an ECU of the ECAS system in the form of a weak current signal, and the ECU outputs signals to respectively control the power-on and power-off actions of a front axle electromagnetic valve, a middle axle electromagnetic valve and a rear axle electromagnetic valve so as to realize the air charging and discharging processes of an air bag. The full-control lifting function of six air bags of the whole vehicle is realized by controlling a group of self-reset bridge plate switches to control a group of main relays of the ECU.
The system also designs a debugging platform according to ECAS debugging requirements and using conditions for the hinged bus, so that the installation requirements of the storage battery are met, the storage requirements are controlled by the relay control board and the storage requirements are stored after the wire harness is used, and workers in a workshop can quickly and accurately realize the inflation and deflation processes of the air bag by using the debugging system according to the label on the operation table.
Based on the above, as shown in fig. 1 to 5, the system according to the present invention includes: the system comprises a relay control assembly 10, an air storage cylinder 11, a lifting switch 2, an air bag assembly, an exhaust control assembly, an inflation and exhaust electromagnetic valve set and a power supply device 1 for supplying power to electrical elements in the system;
an air supply pipeline mechanism air charging end of the air charging and exhausting electromagnetic valve group is connected with the air storage cylinder 11; the air supply pipeline mechanism exhaust end of the air charging and exhausting electromagnetic valve group is connected with an air outlet; the air bag connecting end of the air supply pipeline mechanism of the air charging and exhausting electromagnetic valve group is connected with the air bag component; the first end of the lifting switch 2 and the first end of the exhaust control assembly are respectively connected with the anode of the power supply device 1; the second end of the exhaust control assembly is connected with the first end of the coil of the relay control assembly 10; the second end of the coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; the second end of the lifting switch 2 is connected with the first end of an inflation solenoid valve coil in the inflation and exhaust solenoid valve group; a second end of an inflation electromagnetic valve coil in the inflation and exhaust electromagnetic valve group is connected with the negative electrode of the power supply device 1; a first end of a normally open contact of the relay control assembly 10 is connected with the anode of the power supply device 1; a second end of a normally open contact of the relay control assembly 10 is connected with a first end of an air charging and discharging coil in the air charging and discharging electromagnetic valve group; and the second end of the charging and discharging coil in the charging and discharging electromagnetic valve group is connected with the negative electrode of the power supply device 1.
It should be further noted that the system further includes: a front left indicator lamp 22 and a front right indicator lamp 23; the airbag module includes: a front left airbag 15 and a front right airbag 16; the front left indicator lamp 22 can be turned on or off when the front left airbag 15 is debugged. The front right indicator lamp 23 can be correspondingly turned on and off when the front right air bag 16 is debugged.
The charging and exhausting electromagnetic valve group is provided with a front axle electromagnetic valve group 12; the exhaust gas control assembly includes: a front left switch 3 and a front right switch 4;
the first end of the front left switch 3 is connected with the anode of the power supply device 1; the second end of the front left switch 3 is connected with the first end of a first front axle coil of the relay control assembly 10; the second end of a first front axle coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; the second end of the lifting switch 2 is connected with the first end of a coil of a front axle inflation solenoid valve 33 in the front axle solenoid valve group 12; the second end of the front axle inflation electromagnetic valve coil is connected with the negative electrode of the power supply device 1; a first end of a first front axle normally open contact 311 of the relay control assembly 10 is connected with the anode of the power supply device 1; a second end of a first front axle normally open contact 311 of the relay control assembly 10 is respectively connected with a first end of a first front axle charging and discharging coil 31 and a first end of a front left indicator lamp 22 in the front axle electromagnetic valve group 12; the second end of the front left indicator lamp 22 is connected with the cathode of the power supply device 1; a second end of a first front axle air charging and discharging coil 31 in the front axle electromagnetic valve group 12 is connected with the negative electrode of the power supply device 1; the air bag connecting end of the air supply pipeline mechanism matched with the first front axle air charging and discharging coil is connected with the front left air bag 15; an air supply pipeline mechanism air charging end matched with a front axle air charging electromagnetic valve coil in the front axle electromagnetic valve group 12 is connected with the air cylinder 11;
the first end of the front right switch 4 is connected with the anode of the power supply device 1; the second end of the front right switch 4 is connected with the first end of a second front axle coil of the relay control assembly 10; a second end of a second front axle coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; a first end of a second front axle normally open contact 321 of the relay control assembly 10 is connected with the anode of the power supply device 1; a second end of a second front axle normally open contact 321 of the relay control assembly 10 is respectively connected with a first end of a second front axle charging and discharging coil 32 and a first end of a front right indicator lamp 23 in the front axle electromagnetic valve group 12; the second end of the front right indicator lamp 23 is connected with the cathode of the power supply device 1; a second end of a second front axle air charging and discharging coil 32 in the front axle electromagnetic valve group 12 is connected with the negative electrode of the power supply device 1; and the air bag connecting end of the air supply pipeline mechanism matched with the second front axle air inflation and exhaust coil is connected with the front right air bag 16.
The corresponding realization method comprises the following steps: closing the front left switch 3, electrifying the first front axle coil, and closing the first front axle normally open contact 311; the first front axle air charging and discharging coil 31 is electrified, and the electromagnetic valve is closed; the front left air bag 15 is connected with an air outlet through a first front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the front left air bag 15 enters an exhaust state; the lifting switch 2 is closed, and the coil of the front axle inflation solenoid valve 33 is electrified; the front axle inflation solenoid valve 33 acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front left air bag 15 is communicated with the air storage cylinder 11, and the front left air bag 15 enters an inflating state.
The front right switch 4 is closed, the second front axle coil is electrified, and the second front axle normally open contact 321 is closed; the second front axle air charging and discharging coil 32 is electrified, and the electromagnetic valve is closed; the front right air bag 16 is connected with an air outlet through a second front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the front right airbag 16 enters the exhaust state; the lifting switch 2 is closed, and the coil of the front axle inflation solenoid valve 33 is electrified; the front axle inflation solenoid valve 33 acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front right air bag 16 is communicated with the air storage cylinder 11, and the front right air bag 16 enters an inflating state.
In this way, the front left airbag 15 and the front right airbag 16 can achieve simultaneous and synchronous commissioning detection. The adjustment test can also be performed singly.
Further, still include: a middle left indicator light 24 and a middle right indicator light 25; the exhaust control assembly further includes: a middle left switch 5 and a middle right switch 6;
the middle left indicator light 24 can be correspondingly turned on and off when the middle left air bag 17 is debugged. The tester is made aware of the current status. The middle right indicator light 25 can be correspondingly turned on and off when the middle right air bag 18 is debugged. The charging and exhausting electromagnetic valve group is also provided with a middle bridge electromagnetic valve group 13; the airbag module further includes: a middle left air bag 17 and a middle right air bag 18;
the first end of the middle left switch 5 is connected with the anode of the power supply device 1; the second end of the middle left switch 5 is connected with the first end of a first middle bridge coil of the relay control assembly 10; the second end of the first middle bridge coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; the second end of the lifting switch 2 is connected with the first end of a coil of a middle bridge inflation solenoid valve 43 in the middle bridge solenoid valve group 13; the second end of the coil of the middle bridge inflation electromagnetic valve is connected with the negative electrode of the power supply device 1; a first end of a first middle bridge normally open contact 411 of the relay control assembly 10 is connected with the anode of the power supply device 1; the second end of a first middle bridge normally open contact 411 of the relay control assembly 10 is respectively connected with the first end of a first middle bridge air charging and discharging coil 41 in the middle bridge electromagnetic valve group 13 and the first end of a middle left indicator lamp 24; the second end of the middle left indicator light 24 is connected with the negative pole of the power supply device 1; a second end of a first middle bridge air charging and discharging coil 41 in the middle bridge electromagnetic valve group 13 is connected with the negative electrode of the power supply device 1; the air bag connecting end of the air supply pipeline mechanism matched with the first middle bridge air inflation and exhaust coil is connected with a middle left air bag 17; an air supply pipeline mechanism air charging end matched with a middle bridge air charging solenoid valve coil in the middle bridge solenoid valve group 13 is connected with the air cylinder 11;
the first end of the middle right switch 6 is connected with the anode of the power supply device 1; the second end of the middle right switch 6 is connected with the first end of a second middle bridge coil of the relay control assembly 10; a second end of a second middle bridge coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; a first end of a second middle bridge normally open contact 421 of the relay control assembly 10 is connected with the anode of the power supply device 1; the second end of a second middle bridge normally open contact 421 of the relay control assembly 10 is respectively connected with the first end of a second middle bridge air charging and discharging coil 42 and the first end of a middle right indicator lamp 25 in the middle bridge electromagnetic valve group 13; the second end of the middle right indicator lamp 25 is connected with the cathode of the power supply device 1; a second end of a second middle bridge air charging and discharging coil 42 in the middle bridge electromagnetic valve group 13 is connected with the negative electrode of the power supply device 1; and the air bag connecting end of the air supply pipeline mechanism matched with the second middle bridge air inflation and exhaust coil is connected with the middle right air bag 18.
The specific working mode is as follows: when the middle left switch 5 is closed, the first middle bridge coil is electrified, and the first middle bridge normally open contact 411 is closed; the first middle bridge air charging and discharging coil 41 is electrified, and the electromagnetic valve is closed in an attraction manner; the middle left air bag 17 is connected with an air outlet through a first middle bridge electromagnetic valve, a middle bridge inflation electromagnetic valve and an air outlet end of an air supply pipeline mechanism in sequence; the middle left air bag 17 enters an exhaust state; the lifting switch 2 is closed, and the coil of the front axle inflation solenoid valve 33 is electrified; the middle bridge inflating electromagnetic valve 43 acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the middle left air bag 17 is communicated with the air storage cylinder 11, and the middle left air bag 17 enters an inflating state.
Also in a similar manner, the right and middle airbags 18 were subjected to the control test in the same manner as described above. In this way, the middle left airbag 17 and the middle right airbag 18 can achieve simultaneous and synchronous commissioning detection. The adjustment test can also be performed singly.
Further, the present invention further comprises: a rear left indicator lamp 26 and a rear right indicator lamp 27; the exhaust control assembly further includes: a rear left switch 7 and a rear right switch 8; the charging and exhausting electromagnetic valve group is also provided with a rear axle electromagnetic valve group 14; the airbag module further includes: a rear left airbag 19 and a rear right airbag 20;
the rear left indicator lamp 26 can be turned on or off when the rear left airbag 19 is debugged. The rear right indicator lamp 27 can be turned on or off when the rear right airbag 20 is debugged. Thereby enabling the tester to know the test state in time.
The first end of the rear left switch 7 is connected with the anode of the power supply device 1; the second end of the rear left switch 7 is connected with the first end of a first rear axle coil of the relay control assembly 10; the second end of the first rear axle coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; the second end of the lifting switch 2 is connected with the first end of a coil of a rear axle inflation solenoid valve 53 in the rear axle solenoid valve group 14; the second end of the rear axle inflation solenoid valve coil is connected with the negative electrode of the power supply device 1; a first end of a first rear axle normally open contact 511 of the relay control assembly 10 is connected with the anode of the power supply device 1; a second end of a first rear axle normally open contact 511 of the relay control assembly 10 is respectively connected with a first end of a first rear axle charging and discharging coil 51 and a first end of a rear left indicator lamp 26 in the rear axle electromagnetic valve group 14; the second end of the rear left indicator lamp 26 is connected with the negative pole of the power supply device 1; a second end of a first rear axle charging and discharging coil 51 in the rear axle electromagnetic valve group 14 is connected with the negative electrode of the power supply device 1; the air bag connecting end of the air supply pipeline mechanism matched with the first rear axle inflation and exhaust coil is connected with the rear left air bag 19; an air supply pipeline mechanism air charging end matched with a rear axle air charging electromagnetic valve coil in the rear axle electromagnetic valve group 14 is connected with the air cylinder 11;
the first end of the rear right switch 8 is connected with the anode of the power supply device 1; the second end of the rear right switch 8 is connected with the first end of a second rear axle coil of the relay control assembly 10; the second end of the second rear axle coil of the relay control assembly 10 is connected with the negative electrode of the power supply device 1; a first end of a second rear axle normally open contact 521 of the relay control assembly 10 is connected with the anode of the power supply device 1; a second end of a second rear axle normally open contact 521 of the relay control assembly 10 is respectively connected with a first end of a second rear axle charging and discharging coil 52 in the rear axle electromagnetic valve group 14 and a first end of a rear right indicator lamp 27; the second end of the rear right indicator lamp 27 is connected with the negative pole of the power supply device 1; a second end of a second rear axle charging and discharging coil 52 in the rear axle electromagnetic valve group 14 is connected with the negative electrode of the power supply device 1; the air bag connecting end of the air supply pipeline mechanism matched with the second rear axle inflation and exhaust coil is connected with the rear right air bag 20.
The rear left airbag 19 and the rear right airbag 20 can be respectively subjected to a control test by the above-described connection manner. In this way, the rear left airbag 19 and the rear right airbag 20 can achieve simultaneous and synchronous commissioning detection. The adjustment test can also be performed singly. Of course, the six air bags in the invention can realize synchronous debugging and detection at the same time.
The invention relates to an ECAS debugging system for an articulated bus, which solves the problem that an air bag cannot maintain pressure when an ECAS vehicle is assembled on a chassis off line;
the problem that the vehicle can reach the normal design height when the chassis is off line is solved, and the vehicle cannot pass through a lifting machine, cannot normally fall to the ground and can not collide the skirt edge is prevented;
the problem of reverse connection of air bag control pipelines on the left side and the right side of the ECAS control valve is solved;
the problem that the air bag of the vehicle cannot be inflated due to the fact that an ECAS main air source is not smooth is solved;
after the ECAS is adjusted to the normal design height of the vehicle, the zero point and the balance bar of the height sensor are adjusted to the optimal state under the condition of not influencing the production rhythm;
the problem of ECAS system when whole car time length of production line time is overlength, discover the trouble that construction error leads to in advance, find in time rectification before falling the plantago, improve production efficiency, the reducible compression 20min of single car debugging calibration time.
It should be further noted that the system further includes: a full-control switch 9 and a full-control indicator lamp 28; the first end of the full-control switch 9 is connected with the anode of the power supply device 1; the second end of the full control switch 9 is respectively connected with the first end of the coil of the relay control assembly 10 and the second end of the exhaust control assembly through a diode; the first end of the full-control indicator light 28 is connected with the negative electrode of the power supply device 1; the second end of the full-control indicator lamp 28 is connected with the second end of the full-control switch 9. The full-control switch 9 can realize the switch for detecting the whole air bag. The full control indicator light 28 may display the current test status.
The invention also includes: a lifting switch indicator lamp 21; the first end of the lifting switch indicator light 21 is connected with the negative pole of the power supply device 1; the second end of the lifting switch indicator light 21 is connected with the second end of the lifting switch 2. The up-down switch indicator lamp 21 may display the current on-off state of the up-down switch 2.
The invention also includes: debugging the platform; the debugging platform is provided with a bracket 61; a battery bracket 64 is arranged at the position of the bracket 61 close to the bottom; a relay control panel 62 is arranged at a position close to the top of the bracket 61; the two ends of the relay control board 62 are provided with wire carrying holes 65; the bracket 61 is provided with a wire hanger 63. The size of the debugging platform, the corresponding size of height data and the like can be set according to the actual test requirements. General shaped steel, groove box welded structure can be adopted in the design of debugging platform, and the debugging platform satisfies power supply unit 1, also is exactly battery size installation requirement, and the demand is deposited to the relay control board and the pencil storage space demand after finishing using, and the workshop workman makes corresponding operation according to the label on the operation panel, and the lift of quick accurate realization gasbag realizes that the lift machine withdraws from smoothly after the vehicle falls to the ground, guarantees that whole car shirt rim does not have any friction and collides with. The system debugging platform main body is designed for a bracket carrier aiming at the debugging system project. The corresponding debugging system control part can adopt the control wiring harness to connect, and the switch can adopt two grades of rocker switches and two grades of self-reset rocker switches, and the relay can adopt BOSCH ECU main relay, and power supply unit 1 adopts the 24V battery.
Based on the ECAS debugging system for the articulated bus, the invention also provides an ECAS debugging method for the articulated bus. As a preferable mode, the debugging method uses two groups of storage batteries to provide a 24V power supply for the system, after a rocker switch is pressed down, an action command is transmitted to an ECU of the ECAS system in the form of a weak current signal, and the ECU outputs signals to respectively control the power-on and power-off actions of a front axle electromagnetic valve, a middle axle electromagnetic valve and a rear axle electromagnetic valve so as to realize the air bag charging and discharging processes. The relay is controlled by controlling the self-resetting bridge plate switch, so that the full-control lifting function of 6 air bags of the whole vehicle is realized.
Wherein, the relay control assembly, the lifting switch 2 and the full control switch 9 control the inflation and deflation of all the air bags;
the front axle electromagnetic valve group 12, the lifting switch 2, the front left switch 3 and the front right switch 4 respectively control the front left air bag 15 and the front right air bag 16 to inflate and deflate;
the middle bridge electromagnetic valve group 13, the lifting switch 2, the middle left switch 5 and the middle right switch 6 respectively control the middle left air bag 17 and the middle right air bag 18 to inflate and deflate;
the rear axle electromagnetic valve group 14, the lifting switch 2, the rear left switch 7 and the rear right switch 8 respectively control the inflation and deflation of the rear left air bag 19 and the rear right air bag 20;
the air reservoir 11 inflates each air bag according to the control mode.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides an articulated formula ECAS debug system for public transit passenger train which characterized in that includes: the air bag control system comprises a relay control assembly (10), an air storage cylinder (11), a lifting switch (2), an air bag assembly, an exhaust control assembly, an air charging and exhausting electromagnetic valve group, a front left indicator lamp (22), a front right indicator lamp (23) and a power supply device (1) for supplying power to electrical elements in the system;
an air supply pipeline mechanism air charging end of the air charging and exhausting electromagnetic valve group is connected with an air storage cylinder (11);
the air supply pipeline mechanism exhaust end of the air charging and exhausting electromagnetic valve group is connected with an air outlet;
the air bag connecting end of the air supply pipeline mechanism of the air charging and exhausting electromagnetic valve group is connected with the air bag component;
the first end of the lifting switch (2) and the first end of the exhaust control assembly are respectively connected with the anode of the power supply device (1);
the second end of the exhaust control component is connected with the first end of the coil of the relay control component (10);
the second end of the coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the second end of the lifting switch (2) is connected with the first end of an inflation solenoid valve coil in the inflation and exhaust solenoid valve group;
the second end of an inflation electromagnetic valve coil in the inflation and exhaust electromagnetic valve group is connected with the negative electrode of the power supply device (1);
the first end of a normally open contact of the relay control assembly (10) is connected with the anode of the power supply device (1);
a second end of a normally open contact of the relay control assembly (10) is connected with a first end of an air charging and discharging coil in the air charging and discharging electromagnetic valve group;
a second end of an air charging and discharging coil in the air charging and discharging electromagnetic valve group is connected with the negative electrode of the power supply device (1);
the airbag module includes: a front left airbag (15) and a front right airbag (16);
the air charging and exhausting electromagnetic valve group is provided with a front axle electromagnetic valve group (12);
the exhaust gas control assembly includes: a front left switch (3) and a front right switch (4);
the first end of the front left switch (3) is connected with the anode of the power supply device (1); the second end of the front left switch (3) is connected with the first end of a first front axle coil of the relay control assembly (10); the second end of a first front axle coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the second end of the lifting switch (2) is connected with the first end of a coil of a front axle inflation solenoid valve (33) in the front axle solenoid valve group (12); the second end of the front axle inflation electromagnetic valve coil is connected with the negative electrode of the power supply device (1);
a first end of a first front axle normally open contact (311) of the relay control assembly (10) is connected with the anode of the power supply device (1);
the second end of a first front axle normally open contact (311) of the relay control assembly (10) is respectively connected with the first end of a first front axle charging and discharging coil (31) and the first end of a front left indicator lamp (22) in the front axle electromagnetic valve group (12); the second end of the front left indicator lamp (22) is connected with the cathode of the power supply device (1);
the second end of a first front axle charging and discharging coil (31) in the front axle electromagnetic valve group (12) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the first front axle air charging and discharging coil is connected with a front left air bag (15);
an air supply pipeline mechanism air charging end matched with a front axle air charging solenoid valve coil in the front axle solenoid valve group (12) is connected with the air storage cylinder (11);
the first end of the front right switch (4) is connected with the anode of the power supply device (1); the second end of the front right switch (4) is connected with the first end of a second front axle coil of the relay control assembly (10); the second end of a second front axle coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the first end of a second front axle normally open contact (321) of the relay control assembly (10) is connected with the anode of the power supply device (1);
a second end of a second front axle normally open contact (321) of the relay control assembly (10) is respectively connected with a first end of a second front axle charging and discharging coil (32) and a first end of a front right indicator lamp (23) in the front axle electromagnetic valve group (12); the second end of the front right indicator lamp (23) is connected with the cathode of the power supply device (1);
the second end of a second front axle gas charging and discharging coil (32) in the front axle electromagnetic valve group (12) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the second front axle air inflation and exhaust coil is connected with a front right air bag (16).
2. The ECAS commissioning system for an articulated mass transit bus of claim 1, further comprising: a middle left indicator light (24) and a middle right indicator light (25);
the exhaust control assembly further includes: a middle left switch (5) and a middle right switch (6);
the charging and exhausting electromagnetic valve group is also provided with a middle bridge electromagnetic valve group (13);
the airbag module further includes: a middle left air bag (17) and a middle right air bag (18);
the first end of the middle left switch (5) is connected with the anode of the power supply device (1); the second end of the middle left switch (5) is connected with the first end of a first middle bridge coil of the relay control assembly (10); the second end of a first middle bridge coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the second end of the lifting switch (2) is connected with the first end of a coil of a middle bridge inflation solenoid valve (43) in the middle bridge solenoid valve group (13); the second end of the coil of the middle bridge inflation electromagnetic valve is connected with the negative electrode of the power supply device (1);
a first end of a first middle bridge normally open contact (411) of the relay control assembly (10) is connected with the anode of the power supply device (1);
the second end of a first middle bridge normally open contact (411) of the relay control assembly (10) is respectively connected with the first end of a first middle bridge air charging and discharging coil (41) in a middle bridge electromagnetic valve group (13) and the first end of a middle left indicator lamp (24); the second end of the middle left indicator light (24) is connected with the negative pole of the power supply device (1);
the second end of a first middle bridge air charging and discharging coil (41) in the middle bridge electromagnetic valve group (13) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the first middle bridge air inflation and exhaust coil is connected with a middle left air bag (17);
an air supply pipeline mechanism air charging end matched with a middle bridge air charging electromagnetic valve coil in the middle bridge electromagnetic valve group (13) is connected with the air storage cylinder (11);
the first end of the middle right switch (6) is connected with the anode of the power supply device (1); the second end of the middle right switch (6) is connected with the first end of a second middle bridge coil of the relay control assembly (10); the second end of a second middle bridge coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the first end of a second middle bridge normally open contact (421) of the relay control assembly (10) is connected with the positive electrode of the power supply device (1);
a second end of a second middle bridge normally open contact (421) of the relay control assembly (10) is respectively connected with a first end of a second middle bridge air charging and discharging coil (42) in a middle bridge electromagnetic valve group (13) and a first end of a middle right indicator lamp (25); the second end of the middle right indicator lamp (25) is connected with the cathode of the power supply device (1);
the second end of a second middle bridge air charging and discharging coil (42) in the middle bridge electromagnetic valve group (13) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the second middle bridge air inflation and exhaust coil is connected with a middle right air bag (18).
3. ECAS commissioning system for articulated mass transit buses as in claim 1,
further comprising: a rear left indicator light (26) and a rear right indicator light (27);
the exhaust control assembly further includes: a rear left switch (7) and a rear right switch (8);
the air charging and exhausting electromagnetic valve group is also provided with a rear axle electromagnetic valve group (14);
the airbag module further includes: a rear left airbag (19) and a rear right airbag (20);
the first end of the rear left switch (7) is connected with the anode of the power supply device (1); the second end of the rear left switch (7) is connected with the first end of a first rear axle coil of the relay control assembly (10); the second end of a first rear axle coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the second end of the lifting switch (2) is connected with the first end of a coil of a rear axle inflation solenoid valve (53) in the rear axle solenoid valve group (14); the second end of the rear axle inflation electromagnetic valve coil is connected with the negative electrode of the power supply device (1);
the first end of a first rear axle normally open contact (511) of the relay control assembly (10) is connected with the anode of the power supply device (1);
the second end of a first rear axle normally open contact (511) of the relay control assembly (10) is respectively connected with the first end of a first rear axle charging and discharging coil (51) and the first end of a rear left indicator lamp (26) in a rear axle electromagnetic valve group (14); the second end of the rear left indicator lamp (26) is connected with the cathode of the power supply device (1);
the second end of a first rear axle gas charging and discharging coil (51) in the rear axle electromagnetic valve group (14) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the first rear axle inflation and exhaust coil is connected with a rear left air bag (19);
an air supply pipeline mechanism air charging end matched with a rear axle air charging electromagnetic valve coil in the rear axle electromagnetic valve group (14) is connected with the air storage cylinder (11);
the first end of the rear right switch (8) is connected with the anode of the power supply device (1); the second end of the rear right switch (8) is connected with the first end of a second rear axle coil of the relay control assembly (10); the second end of a second rear axle coil of the relay control assembly (10) is connected with the negative electrode of the power supply device (1);
the first end of a second rear axle normally open contact (521) of the relay control assembly (10) is connected with the positive electrode of the power supply device (1);
a second end of a second rear axle normally open contact (521) of the relay control assembly (10) is respectively connected with a first end of a second rear axle charging and discharging coil (52) and a first end of a rear right indicator lamp (27) in the rear axle electromagnetic valve group (14); the second end of the rear right indicator lamp (27) is connected with the cathode of the power supply device (1);
a second end of a second rear axle charging and discharging coil (52) in the rear axle electromagnetic valve group (14) is connected with the negative electrode of the power supply device (1);
the air bag connecting end of the air supply pipeline mechanism matched with the second rear axle inflation and exhaust coil is connected with a rear right air bag (20).
4. ECAS commissioning system for articulated mass transit buses as in claim 1,
further comprising: a full-control switch (9) and a full-control indicator lamp (28);
the first end of the full-control switch (9) is connected with the anode of the power supply device (1);
the second end of the full-control switch (9) is respectively connected with the first end of the coil of the relay control assembly (10) and the second end of the exhaust control assembly through a diode;
the first end of the full-control indicator lamp (28) is connected with the negative electrode of the power supply device (1);
the second end of the full-control indicator lamp (28) is connected with the second end of the full-control switch (9).
5. ECAS commissioning system for articulated mass transit buses as in claim 1,
further comprising: a lifting switch indicator lamp (21);
the first end of the lifting switch indicator light (21) is connected with the negative pole of the power supply device (1); the second end of the lifting switch indicator light (21) is connected with the second end of the lifting switch (2).
6. ECAS commissioning system for articulated mass transit buses as in claim 1,
further comprising: debugging the platform;
the debugging platform is provided with a bracket (61); a battery bracket (64) is arranged at the position of the bracket (61) close to the bottom;
a relay control panel (62) is arranged at a position close to the top of the bracket (61); two ends of the relay control board (62) are provided with a wire carrying hole (65);
the bracket (61) is provided with an electric wire hanger (63).
7. An ECAS debugging method for an articulated bus, which is characterized by adopting the ECAS debugging system for the articulated bus as claimed in any one of claims 1 to 6;
the method comprises the following steps:
closing the front left switch (3), electrifying the first front axle coil, and closing the first front axle normally open contact (311); the first front axle air charging and discharging coil (31) is electrified, and the electromagnetic valve is closed;
the front left air bag (15) is connected with an air outlet through a first front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air supply pipeline mechanism exhaust end in sequence; the front left air bag (15) enters an exhaust state;
the lifting switch (2) is closed, and the coil of the front axle inflation electromagnetic valve (33) is electrified; the front axle inflation electromagnetic valve (33) acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front left air bag (15) is communicated with the air storage cylinder (11), and the front left air bag (15) enters an inflating state.
8. The ECAS commissioning method for an articulated bus according to claim 7, further comprising:
a middle left switch (5) is closed, a first middle bridge coil is electrified, and a first middle bridge normally open contact (411) is closed; the first middle bridge air charging and discharging coil (41) is electrified, and the electromagnetic valve is closed in an attraction manner;
the middle left air bag (17) is connected with an air outlet through a first middle bridge electromagnetic valve, a middle bridge inflation electromagnetic valve and an air supply pipeline mechanism exhaust end in sequence; the middle left air bag (17) enters an exhaust state;
the lifting switch (2) is closed, and the coil of the front axle inflation electromagnetic valve (33) is electrified; the middle bridge air charging electromagnetic valve (43) acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the middle left air bag (17) is communicated with the air storage cylinder (11), and the middle left air bag (17) enters an inflating state.
9. The ECAS commissioning method for an articulated bus according to claim 7, further comprising:
the front right switch (4) is closed, the second front axle coil is electrified, and the second front axle normally open contact (321) is closed; the second front axle air charging and discharging coil (32) is electrified, and the electromagnetic valve is closed;
the front right air bag (16) is connected with an air outlet through a second front axle electromagnetic valve, a front axle inflation electromagnetic valve and an air supply pipeline mechanism exhaust end in sequence; the front right air bag (16) enters an exhaust state;
the lifting switch (2) is closed, and the coil of the front axle inflation electromagnetic valve (33) is electrified; the front axle inflation electromagnetic valve (33) acts; the air bag connecting end of the air supply pipeline mechanism is connected with the inflating end, so that the front right air bag (16) is communicated with the air storage cylinder (11), and the front right air bag (16) enters an inflating state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010468745.6A CN111624008B (en) | 2020-05-28 | 2020-05-28 | ECAS debugging system and method for hinged type bus |
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| CN202010468745.6A CN111624008B (en) | 2020-05-28 | 2020-05-28 | ECAS debugging system and method for hinged type bus |
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| CN111624008B true CN111624008B (en) | 2022-01-28 |
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| CN111624008A (en) | 2020-09-04 |
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