CN119239203A - Electronically controlled integrated automobile air suspension device - Google Patents
Electronically controlled integrated automobile air suspension device Download PDFInfo
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- CN119239203A CN119239203A CN202411540388.4A CN202411540388A CN119239203A CN 119239203 A CN119239203 A CN 119239203A CN 202411540388 A CN202411540388 A CN 202411540388A CN 119239203 A CN119239203 A CN 119239203A
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- air
- interface
- nozzle
- flow channel
- valve seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
本发明属于汽车空气悬架系统技术领域，具体涉及一种集成度高的电控一体式汽车空气悬架装置，包括阀座，以及安装于阀座上的控制器、空气压缩泵、储气罐、空簧和干燥罐；空气压缩泵空气进口与空气压缩泵空气进口接口相连，空气压缩泵压缩空气出口与空气压缩泵压缩空气出口接口相连；干燥罐的第一气嘴与干燥罐第一气嘴接口相连，干燥罐的第二气嘴与干燥罐第二气嘴接口相连，干燥罐的第三气嘴与干燥罐第三气嘴接口相连；储气罐的气口与储气罐接口相连；空簧与空簧接口相连。相对于各个零部件零散布置来说，减少了零部件数量，进一步提高系统效率，便于整体更换和安装。
The present invention belongs to the technical field of automobile air suspension system, and specifically relates to a highly integrated electronically controlled integrated automobile air suspension device, including a valve seat, and a controller, an air compression pump, an air storage tank, an air spring and a drying tank installed on the valve seat; the air inlet of the air compression pump is connected to the air inlet interface of the air compression pump, and the compressed air outlet of the air compression pump is connected to the compressed air outlet interface of the air compression pump; the first air nozzle of the drying tank is connected to the first air nozzle interface of the drying tank, the second air nozzle of the drying tank is connected to the second air nozzle interface of the drying tank, and the third air nozzle of the drying tank is connected to the third air nozzle interface of the drying tank; the air port of the air storage tank is connected to the air storage tank interface; and the air spring is connected to the air spring interface. Compared with the scattered arrangement of various components, the number of components is reduced, the system efficiency is further improved, and the overall replacement and installation are convenient.
Description
Technical Field
The invention belongs to the technical field of automobile air suspension systems, and particularly relates to an electric control integrated automobile air suspension device.
Background
With the development of automobile technology, the air suspension system is increasingly widely used. The existing air suspension system comprises an electronic control unit ECU, an air compression pump, an air storage tank, an air spring, a drying tank, a switching valve and other devices. In the working process, the electronic control unit ECU sends out instructions to control the air compression pump and the switching valve, and the air spring is inflated or deflated through the air compression pump. Because the air suspension system has more parts, each part is scattered, and a larger installation space is required.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric control integrated automobile air suspension device with high integration level.
The technical scheme includes that the electronic control integrated automobile air suspension device comprises a valve seat, and a controller, an air compression pump, an air storage tank, an air spring and a drying tank which are arranged on the valve seat, wherein an air inlet port of the air compression pump, an air outlet port of the air compression pump, an air storage tank port, a second air nozzle port of the drying tank, a third air nozzle port of the drying tank, a first air nozzle port of the drying tank and an air spring port are arranged on the valve seat;
A valve seat runner is arranged in the valve seat, and comprises a first runner, a second runner, a third runner, a fourth runner, a fifth runner, a sixth runner and a seventh runner;
The air inlet interface of the air compression pump is communicated with the atmosphere through a sixth flow passage, the second air nozzle interface of the drying tank, the third air nozzle interface of the drying tank and the compressed air outlet interface of the air compression pump are communicated through the first flow passage, an exhaust valve is arranged on the valve seat and is positioned on a pipe section of the first flow passage between the second air nozzle interface of the drying tank and the third air nozzle interface of the drying tank, and the exhaust valve is communicated with the atmosphere through a seventh flow passage;
The first air nozzle interface of the drying tank is communicated with the air storage tank interface through the second flow passage, and a third switching valve for controlling the on-off of the second flow passage is arranged on the valve seat;
The air spring interface is communicated with the air inlet interface of the air compression pump through a third flow passage, a first switching valve for controlling the on-off of the third flow passage is arranged on the valve seat, the air storage tank interface is communicated with the air inlet interface of the air compression pump through a fourth flow passage, and a second switching valve for controlling the on-off of the fourth flow passage is arranged on the valve seat;
the first air nozzle interface of the drying tank is communicated with the air spring interface through a fifth flow passage, and a fourth switching valve for controlling the on-off of the fifth flow passage is arranged on the valve seat;
the air compression pump, the air spring, the first switching valve, the second switching valve, the third switching valve, the fourth switching valve and the exhaust valve are all electrically connected with the controller.
Further, the air compression pump comprises a motor and a piston body, wherein the motor is arranged on a valve seat;
The valve seat is internally provided with a mounting cavity, the piston body is arranged in the mounting cavity, the output shaft of the motor is in transmission connection with the piston rod of the piston body, and the compressed air outlet of the air compression pump and the air inlet of the air compression pump are both arranged on the piston cylinder of the piston body;
the motor is electrically connected with the controller.
Further, a power limiting valve is arranged on the valve seat, the valve seat runner further comprises an eighth runner, the air inlet interface of the air compression pump is communicated with the first runner through the eighth runner, the joint of the first runner and the eighth runner is positioned between the exhaust valve and the second air tap interface of the drying tank, and the power limiting valve is used for controlling the on-off of the eighth runner;
The power limiting valve is electrically connected with the controller.
Further, a pressure temperature sensor for detecting the pressure and the temperature of the gas in the valve seat flow passage is arranged on the valve seat, and the pressure temperature sensor is connected with the valve seat flow passage.
Further, the controller comprises a protective shell and a control chip, wherein the protective shell is connected with the valve seat, and the electric control chip is arranged in the protective shell;
the motor, the air spring, the first switching valve, the second switching valve, the third switching valve, the fourth switching valve, the exhaust valve and the power limiting valve are all electrically connected with the control chip.
Further, the valve seat is characterized by further comprising a controller socket, wherein the controller socket is arranged on the protective shell and is arranged adjacent to one end of the valve seat, and a circuit board of the controller socket is electrically connected with the control chip.
Further, the drying tank comprises a shell, wherein a first installation space and a second installation space are arranged in the shell, a first molecular sieve is arranged in the first installation space, and a second molecular sieve is arranged in the second installation space;
An air passage used for communicating the first installation space with the second installation space is arranged in the shell; the shell is provided with a first air tap communicated with an air passage, a throttle valve is arranged at the first air tap, a second air tap communicated with a first installation space and a third air tap communicated with the second installation space, wherein the second air tap and the third air tap are both used for being connected with a compressed air outlet of the air compression pump;
when the compressed air is dehumidified, the second air tap and the third air tap are used as air inlet nozzles, the first air tap is used as air outlet nozzles, and when the first molecular sieve and the second molecular sieve are subjected to back blowing and dehumidification, the second air tap and the third air tap are used as air outlet nozzles, and the first air tap is used as the air inlet nozzle.
Further, the throttle valve comprises a mounting cylinder with two open ends and communicated with the first air nozzle, wherein a first limiting plate, a second limiting plate and a sphere are arranged in the mounting cylinder;
The first limiting plate and the second limiting plate are arranged at intervals along the axial direction of the mounting cylinder and are coaxially arranged, the first limiting plate is close to one end of the mounting cylinder, which is positioned in the first air nozzle, and the second limiting plate is close to the other end of the mounting cylinder, which is positioned outside the first air nozzle;
The first limiting plate is provided with an orifice and a first air hole, the first air hole is positioned in the middle of the first limiting plate, and the orifice is positioned at one side of the first air hole;
the ball body is arranged between the first limiting plate and the second limiting plate, the diameter of the ball body is smaller than the distance between the first limiting plate and the second limiting plate and smaller than the inner diameter of the mounting cylinder, and the ball body is used for blocking or opening the first air holes on the first limiting plate.
Further, a boss is arranged in the middle of the second limiting plate, the boss is located on one side, adjacent to the first limiting plate, of the second limiting plate, and the second air hole is located on the outer side of the boss.
Further, the device also comprises a first pressing plate and a first compression spring which are arranged in the first installation space;
The first pressing plate is provided with two first pressing plates, one of the first pressing plates is adjacently arranged with the second air nozzle, the other first pressing plate is far away from the second air nozzle, the first molecular sieve is positioned between the two first pressing plates, the first pressing plate is provided with a first through hole communicated with a first installation space, the first pressing plate is provided with a first supporting leg, the first supporting leg is positioned between the back side of the first pressing plate far away from the first molecular sieve and the inner wall of the shell, and the first compression spring is positioned between the first pressing plate far away from the second air nozzle and the inner wall of the shell;
The second pressing plate and the second compression spring are positioned in the second installation space;
the second pressing plates are provided with two, one of the second pressing plates is arranged adjacent to the third air nozzle, the other second pressing plate is far away from the third air nozzle, the second molecular sieve is located between the two second pressing plates, the second pressing plates are provided with second through holes communicated with a second installation space, the second pressing plates are provided with second supporting legs, the second supporting legs are located between the back side of the second pressing plates far away from the second molecular sieve and the inner wall of the shell, and the second compression springs are located between the second pressing plates far away from the third air nozzle and the inner wall of the shell.
Compared with the prior art, the invention has the beneficial effects that the electric control integrated automobile air suspension device is high in integration level. First, for each spare part is arranged for the scattered, reduced spare part quantity, further improved system efficiency, be convenient for whole change and installation. Secondly, the arrangement of the pipeline is completed in the valve seat, and the occupied space is small. Thirdly, the external pipeline is greatly reduced, and the cost is reduced. Fourth, optimize the gas circuit flow direction, furthest guarantee the effective use of first molecular sieve and second molecular sieve, improve dehumidification effect. Fifthly, the space of the air compression pump is matched, under the condition that the whole size is not obviously influenced, the structural design is completed by reasonably utilizing the space, and the space occupation is smaller. Sixth, when the drying performance of the first molecular sieve and the second molecular sieve after back blowing is still poor, the first molecular sieve and the second molecular sieve are replaced by opening the cover body, so that the disassembly and the maintenance are convenient.
Drawings
FIG. 1 is a perspective view of one of the angles of the present invention (wherein the air reservoir and air spring are not shown);
FIG. 2 is a perspective view of another angle of the present invention (wherein the air reservoir and air spring are not shown);
FIG. 3 is a schematic diagram of an air circuit system in the present invention;
FIG. 4 is a schematic diagram of the flow of gas when charging the gas reservoir from atmosphere under first operating conditions;
FIG. 5 is a schematic diagram of the flow of gas during a second condition when the air spring is inflated from atmosphere;
FIG. 6 is a schematic diagram of the gas flow when charging the air spring from the gas reservoir under condition three;
FIG. 7 is a schematic diagram of the flow of gas when venting from the air spring to the air reservoir during condition four;
FIG. 8 is a schematic diagram of the flow of gas when venting from the reservoir to atmosphere for condition five;
FIG. 9 is a schematic diagram of the gas flow when venting from the air spring to atmosphere during condition six;
FIG. 10 is a schematic diagram of the flow of gas when the pressure in the system exceeds a set point for condition seven;
FIG. 11 is a schematic diagram of the gas flow direction of the desiccant tank when dehumidifying compressed air;
FIG. 12 is a schematic diagram of the gas flow direction of the dryer tank when blowback dehumidification of the first and second molecular sieves;
FIG. 13 is a cross-sectional view taken along section line A-A;
FIG. 14 is a cross-sectional view taken along line B-B;
FIG. 15 is a schematic view of the internal structure of the first tank;
FIG. 16 is a schematic view of the internal structure of the second tank;
FIG. 17 is a schematic diagram of the flow of air through the throttle valve when the compressed air is dehumidified;
FIG. 18 is a schematic diagram of the flow of gas through the throttle valve when blowback is performed on the first and second molecular sieves;
reference numerals:
1-valve seat;
101-drying tank first air nozzle interface, 102-drying tank second air nozzle interface, 103-drying tank third air nozzle interface, 104-air storage tank interface, 105-first runner, 106-second runner, 107-third runner, 108-fourth runner, 109-fifth runner, 110-exhaust valve, 111-first switching valve, 112-second switching valve, 113-third switching valve, 114-fourth switching valve, 115-power limiting valve, 116-pressure temperature sensor, 117-left front air spring FL interface, 118-left front air spring solenoid valve, 119-right front air spring FR interface, 120-right front air spring solenoid valve, 121-left rear air spring RL interface, 122-left rear air spring solenoid valve, 123-right rear air spring RR interface, 124-right rear air spring solenoid valve, 125-sixth runner, 126-seventh runner, 127-eighth runner;
2-air compression pump, 201-motor;
3-a drying tank;
301-first installation space, 302-first molecular sieve, 303-second installation space, 304-second molecular sieve, 305-first air tap, 306-second air tap, 307-third air tap, 308-throttle valve, 309-installation cylinder, 310-first limit plate, 311-orifice, 312-first air hole, 313-second limit plate, 314-second air hole, 315-boss, 316-sphere, 317-first press plate, 318-first leg, 319-first through hole, 320-first compression spring, 321-first ventilation gasket, 322-second press plate, 323-second leg, 324-second through hole, 325-second compression spring, 326-second ventilation gasket, 327-first tank, 328-second tank, 329-connecting plate, 330-groove, 331-gas pipe, 332-cover, 333-reinforcing plate, 334-first seal ring, 335-second seal ring;
4-controller, 401-protective shell;
5-a controller socket;
6-an air inlet and outlet assembly, 601-an air inlet pipe and 602-an air outlet pipe.
Detailed Description
The invention is further described below with reference to the drawings and examples.
The electric control integrated automobile air suspension device comprises a valve seat 1, a controller 4, an air compression pump 2, an air storage tank, an air spring and a drying tank 3, wherein the controller 4, the air compression pump 2, the air storage tank, the air spring and the drying tank 3 are arranged on the valve seat 1, an air compression pump air inlet interface, an air storage tank interface 104, a drying tank second air nozzle interface 102, a drying tank third air nozzle interface 103, a drying tank first air nozzle interface 101 and an air spring interface are arranged on the valve seat 1, the air compression pump air inlet is connected with the air compression pump air inlet interface, the air compression pump compressed air outlet is connected with the air compression pump compressed air outlet interface, a first air nozzle 305 of the drying tank 3 is connected with the drying tank first air nozzle interface 101, a second air nozzle 306 of the drying tank 3 is connected with the drying tank second air nozzle interface 102, a third air nozzle 307 of the drying tank 3 is connected with the drying tank third air nozzle interface 103, an air inlet of the air storage tank is connected with the air storage tank interface 104, and the air spring is connected with the air spring interface.
The hollow spring interface is provided with a hollow spring quick connector, and the hollow spring is arranged on the valve seat 1 through the hollow spring quick connector. The gas tank interface 104 is provided with a gas tank quick connector, and the gas port of the gas tank is arranged on the valve seat 1 through the gas tank quick connector. The valve seat 1 is preferably of rectangular body construction. Preferably, the controller 4 is located at one side of the valve seat 1, and the air compression pump 2, the drying tank 3, the air storage tank and the air spring are all located at the other side of the valve seat 1.
The air spring interfaces are arranged according to the number of the air springs, and when the number of the air springs is four, the air springs are respectively a left front air spring, a right front air spring, a left rear air spring and a right rear air spring. The air spring interfaces include a left front air spring FL interface 117, a right front air spring FR interface 119, a left rear air spring RL interface 121, and a right rear air spring RR interface 123. The left front air spring is controlled by a left front air spring solenoid valve 118, the right front air spring is controlled by a right front air spring solenoid valve 120, the left rear air spring is controlled by a left rear air spring solenoid valve 122, and the right rear air spring is controlled by a right rear air spring solenoid valve 124. The air storage tank interface 104, the drying tank second air nozzle interface 102, the drying tank third air nozzle interface 103, the drying tank first air nozzle interface 101, the left front air spring FL interface 117, the right front air spring FR interface 119, the left rear air spring RL interface 121 and the right rear air spring RR interface 123 are positioned on the same side of the valve seat 1.
A valve seat flow passage is provided in the valve seat 1, and the valve seat flow passage includes a first flow passage 105, a second flow passage 106, a third flow passage 107, a fourth flow passage 108, a fifth flow passage 109, a sixth flow passage 125, and a seventh flow passage 126. The valve seat runner can be formed by machining, casting and the like. The vertical sections of the first flow channel 105, the second flow channel 106, the third flow channel 107, the fourth flow channel 108, the fifth flow channel 109, the sixth flow channel 125 and the seventh flow channel 126 are all round structures, and the diameters are 3-6 mm.
The air inlet interface of the air compression pump is communicated with the atmosphere through a sixth flow passage 125, the second air nozzle interface 102 of the drying tank, the third air nozzle interface 103 of the drying tank and the compressed air outlet interface of the air compression pump are communicated through the first flow passage 105, an exhaust valve 110 is arranged on the valve seat 1, the exhaust valve 110 is positioned on a section of the first flow passage 105 between the second air nozzle interface 102 of the drying tank and the third air nozzle interface 103 of the drying tank, and the exhaust valve 110 is communicated with the atmosphere through a seventh flow passage 126.
The first air nozzle port 101 of the drying tank is communicated with the air storage tank port 104 through the second flow passage 106, and a third switching valve 113 for controlling the on-off of the second flow passage 106 is arranged on the valve seat 1.
The air spring interface is communicated with the air inlet interface of the air compression pump through a third flow passage 107, a first switching valve 111 for controlling the on-off of the third flow passage 107 is arranged on the valve seat 1, the air storage tank interface 104 is communicated with the air inlet interface of the air compression pump through a fourth flow passage 108, and a second switching valve 112 for controlling the on-off of the fourth flow passage 108 is arranged on the valve seat 1.
The first air nozzle interface 101 of the drying tank is communicated with the air spring interface through a fifth flow passage 109, and a fourth switching valve 114 for controlling the on-off of the fifth flow passage 109 is arranged on the valve seat 1.
The air compression pump 2, the air spring, the first switching valve 111, the second switching valve 112, the third switching valve 113, the fourth switching valve 114, and the exhaust valve 110 are all electrically connected to the controller 4. The controller 4 controls the start and stop of the air compression pump 2, and controls the opening and closing of the first switching valve 111, the second switching valve 112, the third switching valve 113, the fourth switching valve 114, and the exhaust valve 110. The air spring is electrically connected with the controller 4, specifically, the air spring electromagnetic valve is electrically connected with the controller 4. Specifically, the left front air spring solenoid valve 118, the right front air spring solenoid valve 120, and the left rear air spring solenoid valve 122 are all electrically connected to the controller 4. The controller 4 controls the opening and closing of the left front air spring solenoid valve 118, the right front air spring solenoid valve 120, and the left rear air spring solenoid valve 122.
Preferably, the air inlet and exhaust assembly 6 is arranged on the valve seat 1, and the air inlet and exhaust assembly 6 comprises an air inlet pipe 601 and an exhaust pipe 602 arranged on one side of the air inlet pipe 601. The intake pipe 601 communicates with the sixth flow passage 125, and the exhaust pipe 602 communicates with the seventh flow passage 126.
In the first operation mode, when the air tank is inflated from the atmosphere, as shown in fig. 4, the exhaust valve 110, the first switching valve 111, the second switching valve 112, and the fourth switching valve 114 are closed, the third switching valve 113 is opened, and the first flow passage 105 and the second flow passage 106 are communicated. Air enters the air compression pump 2 through the sixth flow passage 125 and the air inlet interface of the air compression pump in sequence for compression, compressed air enters the first flow passage 105 through the compressed air outlet interface of the air compression pump, then enters the drying tank 3 from the second air nozzle interface 102 and the third air nozzle interface 103 of the drying tank for drying respectively, and dry compressed air enters the second flow passage 106 through the first air nozzle interface 101 of the drying tank and then enters the air storage tank through the air storage tank interface 104. At this time, the second air tap interface 102 and the third air tap interface 103 of the drying pot are both used as air inlets, and the first air tap interface 101 of the drying pot is used as an air outlet.
In the second working condition, when the air spring is inflated from the atmosphere, as shown in fig. 5, the exhaust valve 110, the first switching valve 111, the second switching valve 112, and the third switching valve 113 are closed, the fourth switching valve 114 is opened, and the first flow passage 105 and the fifth flow passage 109 are communicated. Air sequentially enters the air compression pump 2 through the sixth flow passage 125 and the air inlet interface of the air compression pump for compression, compressed air enters the first flow passage 105 through the compressed air outlet interface of the air compression pump, then enters the drying tank 3 from the drying tank second air nozzle interface 102 and the drying tank third air nozzle interface 103 respectively for drying, and dry compressed air enters the fifth flow passage 109 through the drying tank first air nozzle interface 101, and then air springs to be inflated are inflated through corresponding air spring electromagnetic valves. At this time, the second air tap interface 102 and the third air tap interface 103 of the drying pot are both used as air inlets, and the first air tap interface 101 of the drying pot is used as an air outlet.
The first inflation can be carried out from the atmosphere to the air storage tank and from the atmosphere to the air spring. When the valve seat flow passage leaks air, air can be supplemented through the atmosphere.
In the third condition, when the air tank is inflated to the air spring, as shown in fig. 6, the exhaust valve 110, the first switching valve 111, and the third switching valve 113 are closed, the second switching valve 112 and the fourth switching valve 114 are opened, and the fourth flow passage 108, the first flow passage 105, and the fifth flow passage 109 are communicated. Because the pressure of the dry compressed air entering the air storage tank is partially relieved, the dry compressed air in the air storage tank sequentially enters the air compression pump 2 through the air storage tank interface 104, the fourth runner 108 and the air inlet interface of the air compression pump, the secondary compressed air enters the first runner 105 after being compressed by the air compression pump 2, and then enters the drying tank 3 from the drying tank second air nozzle interface 102 and the drying tank third air nozzle interface 103 respectively for drying, and the secondary dry compressed air enters the fifth runner 109 through the drying tank first air nozzle interface 101 to charge an air spring to be charged through a corresponding air spring electromagnetic valve. At this time, the second air tap interface 102 and the third air tap interface 103 of the drying pot are both used as air inlets, and the first air tap interface 101 of the drying pot is used as an air outlet.
In the fourth condition, when the air is discharged from the air spring to the air tank, as shown in fig. 7, the exhaust valve 110, the second switching valve 112, and the fourth switching valve 114 are closed, the first switching valve 111 and the third switching valve 113 are opened, and the third flow passage 107, the first flow passage 105, and the second flow passage 106 are communicated. Opening an air spring electromagnetic valve of an air spring needing to be exhausted, enabling air in the air spring to sequentially enter an air compression pump 2 through a third flow passage 107 and an air inlet interface of the air compression pump to be compressed, enabling compressed air to enter a first flow passage 105 through an air compression pump compressed air outlet interface, enabling the compressed air to enter a drying tank from a drying tank second air nozzle interface 102 and a drying tank third air nozzle interface 103 to be dried respectively, enabling dry compressed air to enter a second flow passage 106 through a drying tank first air nozzle interface 101, and enabling dry compressed air to enter an air storage tank through an air storage tank interface 104. At this time, the second air tap interface 102 and the third air tap interface 103 of the drying pot are both used as air inlets, and the first air tap interface 101 of the drying pot is used as an air outlet.
In the fifth mode, when the air is discharged from the air tank to the atmosphere, as shown in fig. 8, the first switching valve 111, the second switching valve 112, and the fourth switching valve 114 are closed, the third switching valve 113 and the exhaust valve 110 are opened, and the second flow passage 106 communicates with the first flow passage 105. The dry compressed air in the air storage tank enters the second flow passage 106 through the air storage tank interface 104, then enters the drying tank from the drying tank first air nozzle interface 101, then respectively enters the first flow passage 105 from the drying tank second air nozzle interface 102 and the drying tank third air nozzle interface 103 to realize back blowing, and finally is discharged to the atmosphere through the exhaust valve 110 and the seventh flow passage 126 to take away the moisture in the drying tank molecular sieve, so that the drying tank molecular sieve is regenerated. At this time, the first air tap interface 101 of the drying pot is used as an air inlet, and the second air tap interface 102 of the drying pot and the third air tap interface 103 of the drying pot are used as air outlets.
In the sixth operating mode, when the air is exhausted from the air spring to the atmosphere, as shown in fig. 9, the first switching valve 111, the second switching valve 112, and the third switching valve 113 are closed, the fourth switching valve 114 and the exhaust valve 110 are opened, and the fifth flow passage 109 communicates with the first flow passage 105. Opening an air spring electromagnetic valve of an air spring needing to be exhausted, enabling air in the air spring to enter a fifth flow passage 109 through an air spring interface, then entering a drying tank 3 from a drying tank first air nozzle interface 101, then respectively entering a first flow passage 105 from a drying tank second air nozzle interface 102 and a drying tank third air nozzle interface 103 to realize back blowing, finally being exhausted to the atmosphere through an exhaust valve 110 and a seventh flow passage 126, taking away moisture in a drying tank molecular sieve, and enabling the drying tank molecular sieve to be regenerated. At this time, the first air tap interface 101 of the drying pot is used as an air inlet, and the second air tap interface 102 of the drying pot and the third air tap interface 103 of the drying pot are used as air outlets.
The third working condition and the fourth working condition are conventional working conditions, namely the air inflation from the air storage tank to the air spring and the air exhaust from the air spring to the air storage tank are conventional working conditions.
The air storage tank and the air spring are inflated, and firstly, if the air spring is directly inflated from the atmosphere each time, moisture enters each time of inflation, so that the molecular sieve in the drying tank 3, namely the drying agent, is easy to fail rapidly. When the air storage tank charges air to the air spring, the air is transferred internally, so that the entry of extra moisture can be effectively avoided, and the service life of the molecular sieve in the drying tank 3 is prolonged. Secondly, because the pressure difference between the atmosphere and the air needed in the air spring is large, the air is directly inflated to the air spring from the atmosphere every time, and the technical problem of low inflation speed also exists. After the air is inflated from the atmosphere to the air storage tank for the first time, or after the air is inflated from the atmosphere to the air spring and the air is exhausted from the air spring to the air storage tank for the first time, dry compressed air is pre-stored in the air storage tank, and the dry compressed air in the air storage tank is compressed for the second time through the air compression pump 2, so that the running time of the compressor can be greatly shortened, the quick inflation is realized, and the energy consumption is reduced.
Preferably, the air compression pump 2 comprises a motor 201 and a piston body, the motor 201 is arranged on the valve seat 1, a mounting cavity is formed in the valve seat 1, the piston body is arranged in the mounting cavity, an output shaft of the motor 201 is in transmission connection with a piston rod of the piston body, a compressed air outlet of the air compression pump and an air inlet of the air compression pump are arranged on a piston cylinder of the piston body, and the motor 201 is electrically connected with the controller 4.
Preferably, two piston bodies are arranged, the two piston bodies are positioned on two sides of the output shaft of the motor 201, the output shaft of the motor 201 is perpendicular to the piston rods in the two piston bodies, and the output shaft of the motor 201 is in transmission connection with the piston rods in the two piston bodies through an eccentric mechanism. That is, the air compression pump 2 is a dual piston pump, which is a prior art.
In a seventh working condition, as shown in fig. 10, the valve seat 1 is provided with a power limiting valve 115, the valve seat runner further comprises an eighth runner 127, the air inlet interface of the air compression pump is communicated with the first runner 105 through the eighth runner 127, the joint of the first runner 105 and the eighth runner 127 is located between the exhaust valve 110 and the second air tap interface 102 of the drying tank, the power limiting valve 115 is used for controlling on-off of the eighth runner 127, and the power limiting valve 115 is electrically connected with the controller 4. When the pressure in the system exceeds a set value, the controller 4 controls the power limiting valve 115 to open, and the gas in the valve seat flow passage enters the air compression pump 2 through the air inlet interface of the air compression pump so as to realize pressure relief to the system.
Preferably, a pressure and temperature sensor 116 for detecting the pressure and temperature of the gas in the valve seat flow passage is mounted on the valve seat 1, and the pressure and temperature sensor 116 is connected with the valve seat flow passage. As a further preferred option, a display is included, with both the pressure temperature sensor 116 and the display being electrically connected to the control chip. The pressure and temperature sensor 116 sends pressure information and temperature information to the control chip, which sends the pressure information and temperature information to the display for display.
Specifically, the power limiting valve 115 is a relief valve.
Specifically, the first switching valve 111, the second switching valve 112, the third switching valve 113 and the fourth switching valve 114 are two-position normally closed solenoid valves.
Specifically, the controller 4 includes a protective housing 401 and a control chip, the protective housing 401 is connected with the valve seat 1, the electric control chip is disposed in the protective housing 401, and the motor 201, the air spring, the first switching valve 111, the second switching valve 112, the third switching valve 113, the fourth switching valve 114, the exhaust valve 110 and the power limiting valve 115 are all electrically connected with the control chip. Specifically, the protective housing 401 is connected to the valve seat 1 by screws.
The protective shell 401 may be of unitary construction. Preferably, the protective shell 401 comprises a box body with an opening at one end and a sealing cover arranged at the opening of the box body, the opening end of the box body is opposite to the valve seat 1, and one end of the box body far away from the opening of the box body is connected with the valve seat 1 through a screw.
Preferably, the controller socket 5 is arranged on the protective shell 401 and is arranged adjacent to one end of the valve seat 1, and a circuit board of the controller socket 5 is electrically connected with the control chip. The controller socket 5 comprises a shell and a circuit board arranged in the shell, and the shell of the controller socket 5 is provided with jacks. The controller socket 5 is disposed on the protective case 401, specifically, the outer case of the controller socket 5 is connected to the protective case 401 by bonding or screws.
Specifically, the drying tank 3 comprises a shell, a first installation space 301 and a second installation space 303 are arranged in the shell, a first molecular sieve 302 is arranged in the first installation space 301, a second molecular sieve 304 is arranged in the second installation space 303, an air passage used for communicating the first installation space 301 and the second installation space 303 is arranged in the shell, a first air tap 305 communicated with the air passage is formed in the shell, a throttle valve 308 is arranged at the first air tap 305, a second air tap 306 communicated with the first installation space 301 and a third air tap 307 communicated with the second installation space 303 are formed in the shell, the second air tap 306 and the third air tap 307 are all used for being connected with a compressed air outlet of the air compression pump, the first air tap 305, the second air tap 306 and the third air tap 307 are all located at the same end of the shell, when the compressed air is dehumidified, the second air tap 306 and the third air tap 307 are used as the air tap, the first air tap 306 and the second air tap 307 are used as the air tap 304 and the second air tap 307 when the first air tap 305 and the second air tap 307 are used as the first air tap 302 and the second air tap 307 are used as the second air tap 307 and the second air tap 307.
The housing of the motor 201 and the housing of the drying tank 3 are both mounted on the valve seat 1 by bolts. The housing provides mounting support for the first molecular sieve 302 and the second molecular sieve 304. The first molecular sieve 302 and the second molecular sieve 304 are used to dry compressed air, as is known in the art. Preferably, the first molecular sieve 302 and the second molecular sieve 304 each comprise a plurality of spherical molecular sieves, and each spherical molecular sieve has a diameter of 1.8-2.5 mm. When the compressed air is dehumidified, the compressed air coming out of the compressed air outlet of the air compressing pump is introduced into the shell through the second air tap 306 and the third air tap 307, one of the compressed air enters the first installation space 301 and dehumidifies through the first molecular sieve 302, the other compressed air enters the second installation space 303 and dehumidifies through the second molecular sieve 304, the dehumidified dry compressed air enters the air passage, and is discharged through the first air tap 305, and finally the dry compressed air enters the air storage tank or the air spring. When the first molecular sieve 302 and the second molecular sieve 304 are reversely blown to remove moisture, gas in the gas storage tank or the air spring enters the air passage through the throttle valve 308 at the first air nozzle 305 and respectively enters the first installation space 301 and the second installation space 303, and moisture in the first molecular sieve 302 and the second molecular sieve 304 is respectively brought into the atmosphere through the second air nozzle 306 and the third air nozzle 307, so that a regeneration function is realized.
Specifically, the throttle valve 308 comprises a mounting cylinder 309 with two open ends and communicated with an air passage, wherein a first limiting plate 310, a second limiting plate 313 and a ball 316 are arranged in the mounting cylinder 309, one end of the mounting cylinder 309 is mounted in the first air nozzle 305, the other end of the mounting cylinder 309 is located outside the first air nozzle 305, the first limiting plate 310 and the second limiting plate 313 are arranged at intervals in the axial direction of the mounting cylinder 309 and are coaxially arranged, the first limiting plate 310 is close to one end of the mounting cylinder 309 located in the first air nozzle 305, the second limiting plate 313 is close to the other end of the mounting cylinder 309 located outside the first air nozzle 305, an orifice 311 and a first air hole 312 are arranged on the first limiting plate 310, the first air hole 312 is located in the middle of the first limiting plate 310, the orifice 311 is located at one side of the first air hole 312, the second limiting plate 313 is provided with a second air hole 314 deviating from the center of the second limiting plate 313, the ball 316 is mounted between the first limiting plate 310 and the second limiting plate 313, the diameter of the ball 316 is smaller than the distance between the first limiting plate 310 and the first limiting plate 313 and the first air nozzle 305 or the first air hole 312 is smaller than the first air hole 312 or the first limiting plate 316.
One end of the mounting cylinder 309 in the first air nozzle 305 is connected to the first air nozzle 305 by a clamping groove clamping block structure or a screw structure. Mounting cylinder 309 provides mounting support for first limiting plate 310, second limiting plate 313 and sphere 316. The outer edge of the first limiting plate 310 and the outer edge of the second limiting plate 313 are welded to the inner wall of the mounting cylinder 309. The sphere 316 is movably mounted in the space between the first limiting plate 310 and the second limiting plate 313. Spheres 316 may be rubber, silicone, PVC, etc., preferably rubber. The second air hole 314 is deviated from the center of the second limiting plate 313, and when the sphere 316 abuts against the second limiting plate 313, the sphere 316 is prevented from blocking the second air hole 314. When the compressed air is dehumidified, the compressed air dried by the first molecular sieve 302 and the second molecular sieve 304 enters the mounting cylinder 309 from the air passage, enters the space between the first limiting plate 310 and the second limiting plate 313 through the orifice 311 and the first air hole 312, and the ball 316 abuts against the second limiting plate 313 under the pushing action of the dried compressed air, and the dried compressed air is discharged through the second air hole 314. When the first molecular sieve 302 and the second molecular sieve 304 are back-blown to remove moisture, the back-blown gas reversely enters the mounting cylinder 309, enters the space between the first limiting plate 310 and the second limiting plate 313 through the second air holes 314, the ball 316 blocks the first air holes 312 under the pushing action of the back-blown gas, and the back-blown gas enters the air passage through the orifice 311. The throttle valve 308 can control the rate of gas discharge.
Preferably, a first sealing ring 334 is disposed between one end of the mounting cylinder 309 located in the first air nozzle 305 and the inner wall of the first air nozzle 305, and the first sealing ring 334 is used for sealing a gap between one end of the mounting cylinder 309 located in the first air nozzle 305 and the inner wall of the first air nozzle 305.
Preferably, a boss 315 is disposed in the middle of the second limiting plate 313, the boss 315 is located on a side of the second limiting plate 313 adjacent to the first limiting plate 310, and the second air hole 314 is located outside the boss 315. When the sphere 316 abuts against the second limiting plate 313, the sphere 316 abuts against the boss 315, and the discharging effect of the dry compressed air is improved.
Preferably, a plurality of second air holes 314 are provided, and a plurality of second air holes 314 are uniformly distributed along the circumferential direction of the boss 315.
Preferably, the device further comprises a first pressing plate 317 and a first compression spring 320, wherein the first pressing plate 317 is arranged in the first installation space 301, one first pressing plate 317 is arranged adjacent to the second air nozzle 306, the other first pressing plate 317 is far away from the second air nozzle 306, the first molecular sieve 302 is arranged between the two first pressing plates 317, a first through hole 319 communicated with the first installation space 301 is arranged on the first pressing plate 317, a first supporting leg 318 is arranged on the first pressing plate 317, the first supporting leg 318 is located between the back side of the first pressing plate 317 far away from the first molecular sieve 302 and the inner wall of the shell, and the first compression spring 320 is located between the first pressing plate 317 far away from the second air nozzle 306 and the inner wall of the shell.
The first molecular sieve 302 is disposed between two first pressing plates 317 arranged in pairs, and the first molecular sieve 302 is compacted by a first compression spring 320. By arranging the first supporting legs 318, a space is reserved between the first pressing plate 317 and the inner wall of the shell, so that compressed air and blowback gas can smoothly pass through the first through holes 319 on the first pressing plate 317. The first support legs 318 may be cylindrical structures circumferentially arranged along the first pressing plate 317, and the first support legs 318 may also be a plurality of block structures uniformly distributed on the first pressing plate 317.
As a further preferred aspect, the apparatus further comprises a first air permeable gasket 321, wherein the first air permeable gasket 321 is disposed between the first pressing plate 317 and the first molecular sieve 302. The first air-permeable gasket 321 is preferably a fiber cotton product, has the effects of silencing and filtering dust, and can further compact the first molecular sieve 302.
Preferably, the device further comprises a second pressing plate 322 and second compression springs 325, wherein the second pressing plate 322 is positioned in the second installation space 303, two second pressing plates 322 are arranged adjacent to the third air nozzle 307, one second pressing plate 322 is far away from the third air nozzle 307, the second molecular sieve 304 is positioned between the two second pressing plates 322, second through holes 324 communicated with the second installation space 303 are formed in the second pressing plates 322, second supporting legs 323 are arranged on the second pressing plates 322, the second supporting legs 323 are positioned between the back side of the second pressing plates 322 far away from the second molecular sieve 304 and the inner wall of the shell, and the second compression springs 325 are positioned between the second pressing plates 322 far away from the third air nozzle 307 and the inner wall of the shell.
The second molecular sieve 304 is disposed between two second pressing plates 322 arranged in pairs, and the second molecular sieve 304 is compacted by a second compression spring 325. Through setting up second landing leg 323, make the interval between second clamp plate 322 and the shells inner wall, guarantee that compressed air and blowback gas can both pass through the second through-hole 324 on the second clamp plate 322 smoothly. The second support legs 323 may have a cylindrical structure circumferentially arranged along the second pressing plate 322, and the second support legs 323 may have a plurality of block structures uniformly distributed on the second pressing plate 322.
Preferably, a second air permeable gasket 326 is also included, the second air permeable gasket 326 being disposed between the second platen 322 and the second molecular sieve 304. The second air-permeable gasket 326 is preferably a fibrous cotton product that has the function of dampening and filtering dust and also further compacts the second molecular sieve 304.
The casing may be an integrally formed integral structure, preferably, the casing includes a first tank 327, a second tank 328, a gas pipe 331 and a cover 332 that are arranged in parallel two by two, where the first tank 327 and the second tank 328 are both barrel structures with one end open; the second air tap 306 is arranged at the bottom of the first tank body 327, the third air tap 307 is arranged at the bottom of the second tank body 328, the opening end of the first tank body 327 is connected with the opening end of the second tank body 328 through a connecting plate 329, a groove 330 for communicating the opening of the first tank body 327 with the inner cavity of the second tank body 328 is formed in the connecting plate 329, the air pipe 331 is arranged between the first tank body 327 and the second tank body 328, one end of the air pipe 331 is connected with the connecting plate 329, the other end of the air pipe 331 serves as the third air tap 307, the air pipe 331 is communicated with the inner cavity of the groove 330, the first tank body 327, the second tank body 328 and the connecting plate 329 are all detachably connected with the cover 332, the cover 332 closes or opens the opening of the groove 330, the opening of the first tank body 327 and the opening of the second tank body 328, when the cover 332 closes the opening of the groove 330, the opening of the first tank body 327 and the opening of the second tank body 328 are surrounded by the inner wall 332, and the inner wall 332 of the inner wall of the air pipe 332 are surrounded by the inner wall 332 and the inner wall 332 of the inner wall of the second tank body.
The housing is configured as a split structure to facilitate opening the cover 332 to replace the first molecular sieve 302 and the second molecular sieve 304. The opening edge of the first can 327, the opening edge of the groove 330, and the opening edge of the second can 328 are detachably connected with the cover 332 by bolts. The open end of the first can 327 and the open end of the second can 328 are both welded to the connection plate 329. One end of air tube 331 is also welded to connection plate 329.
Preferably, the sealing device further comprises a second sealing ring 335 arranged between the opening of the groove 330, the opening of the first tank 327, the opening of the second tank 328 and the cover 332, and the gap between the opening of the groove 330, the opening of the first tank 327, the opening of the second tank 328 and the cover 332 is sealed by the second sealing ring 335.
In order to improve the structural stability of the first tank 327, the air pipe 331 and the second tank 328, it is preferable that the outer wall of the air pipe 331 is connected to the outer wall of the second tank 328, and the first tank 327 is connected to the air pipe 331 through a reinforcing plate 333. The outer wall of air tube 331 is welded to the outer wall of second tank 328. One end of the reinforcing plate 333 is welded to the outer wall of the first tank 327, and the other end is welded to the outer wall of the air tube 331. The number of the reinforcing plates 333 may be plural, and the plurality of reinforcing plates 333 are arranged at intervals in the axial direction of the air tube 331.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411540388.4A CN119239203A (en) | 2024-10-31 | 2024-10-31 | Electronically controlled integrated automobile air suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411540388.4A CN119239203A (en) | 2024-10-31 | 2024-10-31 | Electronically controlled integrated automobile air suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119239203A true CN119239203A (en) | 2025-01-03 |
Family
ID=94022001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411540388.4A Pending CN119239203A (en) | 2024-10-31 | 2024-10-31 | Electronically controlled integrated automobile air suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119239203A (en) |
-
2024
- 2024-10-31 CN CN202411540388.4A patent/CN119239203A/en active Pending
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