CN220390916U - Commercial car lifting shaft control system - Google Patents
Commercial car lifting shaft control system Download PDFInfo
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- CN220390916U CN220390916U CN202322087885.0U CN202322087885U CN220390916U CN 220390916 U CN220390916 U CN 220390916U CN 202322087885 U CN202322087885 U CN 202322087885U CN 220390916 U CN220390916 U CN 220390916U
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- 238000001514 detection method Methods 0.000 description 7
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- 230000003993 interaction Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to a commercial vehicle lifting shaft control system which comprises a lifting shaft, an air storage cylinder and an air spring air bag, wherein the lifting shaft is in linkage with the air spring air bag, the commercial vehicle lifting shaft control system comprises a main control module, a power supply and an electromagnetic valve, the power supply is electrically connected with the main control module, an air passage communicated with the air storage cylinder and the air spring air bag is arranged between the air storage cylinder and the air spring air bag, the electromagnetic valve is positioned on the air passage and controls the communication of the air passage, a height sensor is arranged in the main control module and used for collecting a vehicle body height signal and transmitting the vehicle body height signal to the main control module, and a CAN communication module used for transmitting information is also arranged in the main control module. The utility model provides a lifting shaft control system of a commercial vehicle.
Description
Technical Field
The utility model relates to a control system, in particular to a lifting shaft control system of a commercial vehicle.
Background
Along with the increase of the overload overrun force, the lightweight multi-axle weight card which can not only multi-pull fast running but also meet axle load regulation is gradually suitable for market demands, and when an automobile is empty or partially loaded, the lightweight multi-axle weight card can lift in a single axle and multiple axles so as to reduce the abrasion of tires, eliminate misguidance, reduce the friction of other tires on axles and reduce oil consumption, can bring good economic benefits to users, and when the automobile is full, the lifting bridge is lowered to play a bearing role.
The commercial car adopts traditional mechanical switch control solenoid valve, carries out lifting control to the lift axle, can't be to loading cargo weight real time monitoring discernment, accomplishes accurate lifting control.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a lifting shaft control system of a commercial vehicle.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the device comprises a lifting shaft, an air reservoir and an air spring air bag, wherein the lifting shaft is in linkage with the air spring air bag, the device comprises a main control module, a power supply and an electromagnetic valve, the power supply is electrically connected with the main control module, an air channel communicated with the air reservoir and the air spring air bag is arranged between the air reservoir and the air spring air bag, the electromagnetic valve is positioned on the air channel and is used for controlling the communication of the air channel, a height sensor is arranged in the main control module and is used for collecting a vehicle body height signal and transmitting the vehicle body height signal to the main control module, a CAN communication module used for transmitting information is also arranged in the main control module, and other sensors used for collecting data are also arranged on a vehicle; the main control module is used for processing signals of the height sensor, signals of the CAN communication module and a processing unit for operating the electromagnetic valve, and CAN calculate axle load information.
The utility model is further provided with: the electromagnetic valve is provided with a first port and a second port, the first port is electrically connected with the main control module, the second port is connected with the negative electrode of the power supply, the electromagnetic valve is provided with a first exhaust port, a second exhaust port, an air inlet, an output port and a standby port, the first exhaust port and the second exhaust port are respectively communicated with the outside atmosphere, the air inlet is communicated with the air storage cylinder, the output port is communicated with the air spring air bag, and the standby port is in a blocking state.
The utility model is further provided with: the vehicle frame is provided with a front wheel, a middle wheel and a rear wheel, and an air spring air bag and a lifting shaft are arranged on the rear wheel and used for lifting the height of the rear wheel.
The utility model is further provided with: and an overflow valve for ensuring the air pressure of the air storage cylinder is arranged between the electromagnetic valve and the air storage cylinder, and is used for setting a certain threshold value, so that each part normally uses an air source when the air source air pressure of the air storage cylinder is higher than the threshold value.
The utility model is further provided with: the alarm lamp is electrically connected with a power supply and is connected with the main control module through a plug connector.
The utility model is further provided with: the intelligent remote controller is connected with the main control module through a connector and used for manually controlling and adjusting lifting shafts to lift, a power supply of the intelligent remote controller is provided by the main control module, and the main control module and the intelligent remote controller conduct information interaction through the CAN communication module.
The utility model is further provided with: the electromagnetic valve is connected with the main control module through the connector, the main control module is connected with the electromagnetic valve through the connector, the power supply of the electromagnetic valve is provided by the main control module, the main control module enables the electromagnetic valve to be attracted through outputting a voltage signal 'high', the lifting shaft is lifted, the electromagnetic valve is released through outputting a voltage signal 'low', and the lifting shaft falls.
The beneficial effects are that: the integrated height sensor of this scheme is used for gathering car height information, and the application formula carries out the axle load calculation, carries out information interaction such as speed, axle load, fault alarm through CAN communication and vehicle, fills to lift axle air spring gasbag through control solenoid valve actuation and release to realize lift axle lift control, carry out the fault warning through external connection warning pilot lamp, through external connection intelligent remote controller for manual control lift axle goes up and down. When the vehicle carrying the lifting shaft control device of the commercial vehicle carries out cargo transportation, the weight of the loaded cargo can be identified, when the weight of the loaded cargo is light or no load, the lifting shaft is kept in a lifting state, and the tires of the lifting shaft are lifted off the ground, so that unnecessary abrasion can be reduced; when the weight of the loaded cargoes is heavy or the cargoes are fully loaded, the lifting shaft keeps a falling state, the cargo weight can be guaranteed to be uniformly distributed on each axle, and the running stability of the vehicle is improved.
Drawings
FIG. 1 is a schematic diagram of the system structure connection of the present utility model;
FIG. 2 is a schematic diagram of a solenoid valve according to the present utility model;
FIG. 3 is an electrical connection diagram of the present utility model;
FIG. 4 is a partial system flow diagram of the present utility model;
FIG. 5 is a partial system flow diagram of the present utility model;
FIG. 6 is a schematic view of a vehicle frame with the lift shaft of the present utility model in a lowered condition;
FIG. 7 is a schematic view of a vehicle frame with the lift shaft of the present utility model in a raised condition.
In the figure: 1. a power supply; 10. a lifting shaft; 11. a frame; 12. a front wheel; 13. a middle wheel; 14. a rear wheel; 2. an air cylinder; 3. an overflow valve; 5. a main control module; 51. a height sensor; 6. an air spring bladder; 7. an alarm indicator light; 8. an intelligent remote controller; 9. an electromagnetic valve; 91. a first port; 92. a second port; 93. a first exhaust port; 94. a second exhaust port; 95. an air inlet; 96. an output port; 97. and (5) a standby port.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-7, the utility model discloses a commercial vehicle lifting shaft control system, which comprises a lifting shaft 10, an air reservoir 2 and an air spring air bag 6, wherein the lifting shaft 10 is in linkage with the air spring air bag 6, and comprises a main control module 5, a power supply 1 and an electromagnetic valve 9, the power supply 1 is electrically connected with the main control module 5, an air passage communicated with each other is arranged between the air reservoir 2 and the air spring air bag 6, the electromagnetic valve 9 is positioned on the air passage and is used for controlling the communication of the air passage, a height sensor 51 is arranged in the main control module 5 and is used for collecting a vehicle body height signal and transmitting the vehicle body height signal to the main control module 5, a CAN communication module used for transmitting information is also arranged in the main control module 5, and other sensors used for collecting data are also arranged on a vehicle; the main control module 5 is used for processing signals of the height sensor 51, signals of the CAN communication module and a processing unit for operating the electromagnetic valve 9, and CAN calculate axle load information.
The solenoid valve 9 has a first port 91 and a second port 92, the first port 91 is electrically connected with the main control module 5, the second port 92 is connected with the negative electrode of the power supply 1, the solenoid valve 9 has a first exhaust port 93, a second exhaust port 94, an air inlet 95, an output port 96 and a standby port 97, the first exhaust port 93 and the second exhaust port 94 are respectively communicated with the outside atmosphere, the air inlet 95 is communicated with the air reservoir 2, the output port 96 is communicated with the air spring air bag 6, and the standby port 97 has a blocking state.
The vehicle comprises a vehicle frame 11, wherein the vehicle frame 11 is provided with a front wheel 12, a middle wheel 13 and a rear wheel 14, and an air spring airbag 6 and a lifting shaft 10 are arranged on the rear wheel 14 and used for lifting the height of the rear wheel 14.
An overflow valve 3 for ensuring the air pressure of the air reservoir 2 is arranged between the electromagnetic valve 9 and the air reservoir 2, and the overflow valve 3 is used for setting a certain threshold value, so that when the air source air pressure of the air reservoir 2 is higher than the threshold value, the air source is normally used by all parts.
The alarm lamp comprises an alarm indicator lamp 7, wherein the alarm indicator lamp 7 is electrically connected with the power supply 1 and is connected with the main control module 5 through a plug connector.
The intelligent remote controller 8 is connected with the main control module 5 through a connector, and is used for manually controlling and adjusting the lifting shaft 10 to lift, a power supply 1 of the intelligent remote controller 8 is provided by the main control module 5, and the main control module 5 and the intelligent remote controller 8 conduct information interaction through the CAN communication module.
The electromagnetic valve 9 is connected with the main control module 5 through a connector, the main control module 5 is connected with the electromagnetic valve 9 through a connector, the power supply 1 of the electromagnetic valve 9 is provided by the main control module 5, the main control module 5 enables the electromagnetic valve 9 to be attracted through outputting a voltage signal 'high', the lifting shaft 10 is lifted, and the electromagnetic valve 9 is released through outputting a voltage signal 'low', and the lifting shaft 10 falls down.
Specific solenoid valve 9 principle:
when the first port 91 and the second port 92 are powered off, the first air outlet 93 is closed, the air inlet 95 is communicated with the inside of the standby port 97, the output port 96 is communicated with the inside of the second air outlet 94, the air spring air bag 6 is communicated with the outside atmosphere through the second air outlet 94 for deflation, and the lifting shaft 10 system is in a falling state;
when the first port 91 is electrified and the second port 92 is grounded, the second exhaust port 94 is closed, the output port 96 is communicated with the inside of the air inlet 95, the first exhaust port 93 is communicated with the inside of the standby port 97, the air source pressure of the air reservoir 2 is inflated to the air spring air bag 6 through the output port 96 and the air inlet 95, and the lifting shaft 10 is in a lifting state.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
After the power supply 1 supplies power, the working flow starts, the main control module 5 enters initialization, and then the main control module 5 enters self-checking to detect the modules such as the electromagnetic valve 9 power supply 1, the height sensor 51 power supply 1, the intelligent remote controller 8 power supply 1 and the like;
if the detection is not passed, a fault message is sent to the vehicle through the CAN communication module, the alarm indicator lamp 7 is activated to work, the height adjusting function of the lifting shaft 10 is forbidden, whether the key electricity is closed or not is continuously detected, and if the key electricity is closed, the working flow is ended;
if the detection is passed, judging whether the speed S is less than 5km/h (calibration is possible), if not, prohibiting the height adjustment of the lifting shaft 10, continuously detecting whether the speed S is less than 5km/h until the speed S is less than 5km/h, and entering the working flow into the height adjustment of the lifting shaft 10;
1. acquiring a signal value of a height sensor 51, calculating axle load information of the vehicle according to an axle load algorithm (algorithms of specific models of different vehicle types), and sending the axle load information to the vehicle by a main control module 5 through a CAN communication module;
2. if the vehicle axle load W is less than 8 tons (can be calibrated), the main control module 5 enables the lifting axle 10 to be lifted through the height adjustment of the lifting axle 10;
3. if the vehicle axle load W is more than or equal to 8 and less than or equal to 12 tons (which can be calibrated), the main control module 5 adjusts the height of the lifting axle 10, and the lifting axle 10 is kept motionless by default and does not act; allowing the intelligent remote controller 8 to control instructions and adjusting the lifting shaft 10 to lift;
4. if the axle load W is more than 12 tons (can be calibrated), the main control module 5 enables the lifting axle 10 to fall through the height adjustment of the lifting axle 10;
5. after the height adjustment of the lifting shaft 10 is finished, fault cycle detection is carried out, the main control module 5 detects full-function faults every 1 second,
if the detection is not passed, the main control module 5 sends a fault message to the vehicle through the CAN communication module, activates the alarm indicator lamp 7 to work, prohibits the height adjusting function of the lifting shaft 10, continuously detects whether the key electricity is closed, enters fault cycle detection if the key electricity is not closed, and finishes the working flow if the key electricity is closed;
if the detection is passed, the main control module 5 sends a normal message to the vehicle through the CAN communication module, and the height adjusting function of the lifting shaft 10 is recovered.
6. And after the fault cycle detection is finished, detecting whether the key power is turned off or not. If the key is not electrically turned off, the system enters the lift shaft 10 height adjustment.
If the key is in an electric off state, the system is ended.
7. The workflow ends.
Claims (7)
1. The utility model provides a commercial car lift shaft control system, includes lift shaft (10), gas receiver (2) and air spring gasbag (6), lift shaft (10) and air spring gasbag (6) linkage, its characterized in that: including main control module (5), power (1) and solenoid valve (9), power (1) are connected with main control module (5) electricity, have the gas circuit of mutual UNICOM and solenoid valve (9) are located the gas circuit and control the UNICOM of gas circuit between gas receiver (2) and air spring gasbag (6), have in main control module (5) altitude sensor (51) and are used for gathering automobile body altitude signal and transmit to main control module (5), still have the CAN communication module that is used for transmitting information in main control module (5).
2. The commercial vehicle lift axle control system of claim 1, wherein: the electromagnetic valve (9) is provided with a first port (91) and a second port (92), the first port (91) is electrically connected with the main control module (5), the second port (92) is connected with the negative electrode of the power supply (1), the electromagnetic valve (9) is provided with a first exhaust port (93), a second exhaust port (94), an air inlet (95), an output port (96) and a standby port (97), the first exhaust port (93) and the second exhaust port (94) are respectively communicated with the outside atmosphere, the air inlet (95) is communicated with the air storage cylinder (2), the output port (96) is communicated with the air spring air bag (6), and the standby port (97) is in a blocking state.
3. The commercial vehicle lift axle control system of claim 1, wherein: the vehicle comprises a vehicle frame (11), wherein the vehicle frame (11) is provided with a front wheel (12), a middle wheel (13) and a rear wheel (14), and an air spring air bag (6) and a lifting shaft (10) are arranged on the rear wheel (14) and used for lifting the height of the rear wheel (14).
4. The commercial vehicle lift axle control system of claim 1, wherein: an overflow valve (3) for ensuring the air pressure of the air reservoir (2) is arranged between the electromagnetic valve (9) and the air reservoir (2).
5. The commercial vehicle lift axle control system of claim 1, wherein: the alarm device comprises an alarm indicator lamp (7), wherein the alarm indicator lamp (7) is electrically connected with a power supply (1) and is connected with a main control module (5) through a plug connector.
6. The commercial vehicle lift axle control system of claim 1, wherein: the intelligent remote controller (8) is connected with the main control module (5) through a connector.
7. The commercial vehicle lift axle control system of claim 1, wherein: the electromagnetic valve (9) is connected with the main control module (5) through a connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322087885.0U CN220390916U (en) | 2023-08-04 | 2023-08-04 | Commercial car lifting shaft control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322087885.0U CN220390916U (en) | 2023-08-04 | 2023-08-04 | Commercial car lifting shaft control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220390916U true CN220390916U (en) | 2024-01-26 |
Family
ID=89608368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322087885.0U Active CN220390916U (en) | 2023-08-04 | 2023-08-04 | Commercial car lifting shaft control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220390916U (en) |
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2023
- 2023-08-04 CN CN202322087885.0U patent/CN220390916U/en active Active
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