CN112660190A - System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle - Google Patents
System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle Download PDFInfo
- Publication number
- CN112660190A CN112660190A CN202110001919.2A CN202110001919A CN112660190A CN 112660190 A CN112660190 A CN 112660190A CN 202110001919 A CN202110001919 A CN 202110001919A CN 112660190 A CN112660190 A CN 112660190A
- Authority
- CN
- China
- Prior art keywords
- air spring
- vehicle body
- working height
- control unit
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000008439 repair process Effects 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 241001669679 Eleotris Species 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a system and a method for adjusting the working height of a vehicle body of a railway vehicle and the railway vehicle, which are applied to the railway vehicle, wherein the system for adjusting the working height of the vehicle body comprises a detection unit, a control unit and an execution unit, wherein the detection unit is arranged in an air spring and is used for detecting the internal clearance value of the air spring in real time; the control unit is arranged on a vehicle body or a bogie of the railway vehicle, is electrically connected with the detection unit and generates an inflation or exhaust instruction according to the internal clearance value; the execution unit is arranged on the bogie and electrically connected with the control unit, and the air spring is inflated or exhausted according to the inflation or exhaust instruction. According to the vehicle body working height adjusting system provided by the invention, the height valve is omitted, the structure of the bogie is simplified, and the control accuracy and precision are improved, so that the connecting part of the height valve and the vehicle body or the connecting part of the height valve and the swing bolster is not required to be detached independently during vehicle erection repair, the vehicle erection repair cost is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of air springs, in particular to a system and a method for adjusting the working height of a vehicle body of a railway vehicle and the railway vehicle.
Background
The air spring is a non-metal elastic element which adds pressure air into a flexible closed rubber air bag and works by utilizing the compression elasticity of the air, has the functions of buffering and vibration reduction, has the advantages of simple structure, reliable work, convenient maintenance and the like, and is widely applied to a suspension system of a railway vehicle.
At present, in order to ensure that the air spring is at a standard working height, a height valve is generally adopted to dynamically sense the change of the height of a vehicle body of a railway vehicle, and the action of inflating or exhausting the air spring is completed. The working principle of the altitude valve is that by means of the lever principle, when the load of a vehicle is increased, the vehicle body descends, and at the moment, the altitude valve inflation valve is opened to inflate the air spring, so that the air spring is restored to the standard working height; when the load of the vehicle is reduced, the vehicle body rises, and at the moment, the height valve exhaust valve is opened to exhaust the air spring, so that the air spring is restored to the standard working height.
At present, the prior art still has following drawback through the automobile body working height of altitude valve dynamic adjustment rail vehicle:
(1) the height valve is of a mechanical structure, assembly errors are inevitably generated after all the rod pieces are assembled, so that the control precision of the height of the vehicle body is not accurate, the gap at the joint of all the rod pieces is increased after the rod pieces are used for a long time, and the control precision is further reduced;
(2) the height of the vehicle body is adjusted by using the independent height valve device, so that the cost of the bogie is increased and the design structure is complex, and meanwhile, the connecting part of the height valve and the vehicle body or the connecting part of the height valve and the swing bolster is required to be detached independently during vehicle erection repair, so that the cost of vehicle erection repair is increased, and the production efficiency is reduced.
Disclosure of Invention
In order to solve the technical problems of low control precision and high production and maintenance cost of dynamically adjusting the working height of the vehicle body of the railway vehicle by adopting the altitude valve in the prior art, the invention provides the regulating system for the working height of the vehicle body of the railway vehicle, which cancels the altitude valve, simplifies the structure of a bogie and improves the control accuracy and precision, so that the connecting part of the altitude valve and the vehicle body or the connecting part of the altitude valve and a swing bolster does not need to be independently disassembled during vehicle erection and repair, the cost of vehicle erection and repair is reduced, and the production efficiency is improved.
The invention provides a vehicle body working height adjusting system of a railway vehicle, which is applied to the railway vehicle and comprises:
the detection unit is arranged in the air spring and used for detecting the internal gap value of the air spring in real time;
the control unit is arranged on a vehicle body or a bogie of the railway vehicle, is electrically connected with the detection unit and is used for generating an inflation or exhaust instruction according to the internal clearance value;
and the execution unit is arranged on a bogie of the railway vehicle, is electrically connected with the control unit and is used for inflating or exhausting the air spring according to the inflation or exhaust instruction so as to realize dynamic adjustment of the working height of the vehicle body.
The vehicle body working height adjusting system of the railway vehicle is characterized in that the detection unit is further used for detecting the internal pressure value of the air spring.
The above-mentioned rail vehicle's automobile body working height governing system, wherein, the detecting element includes displacement sensor and pressure sensor.
In the above system for adjusting the working height of the rail vehicle body, the execution unit is an electromagnetic valve, the electromagnetic valve is a three-position five-way valve, and the electromagnetic valve is respectively communicated with the air source of the rail vehicle, the inflation channel of the air spring and the exhaust channel of the air spring.
The above-mentioned rail vehicle's automobile body working height governing system, wherein, still include:
and the storage unit is electrically connected with the control unit and is used for storing the internal gap value and the internal pressure value.
The invention also provides a railway vehicle, which comprises a vehicle body working height adjusting system of the railway vehicle, an air spring and a bogie; the rail vehicle's automobile body working height governing system includes: the air spring air-pressure detecting device comprises a detecting unit, a control unit and an executing unit, wherein the detecting unit is arranged in the air spring, the control unit is arranged on a vehicle body or a bogie, and the executing unit is arranged on the bogie.
The invention also provides a method for adjusting the working height of the vehicle body of the railway vehicle, which is applied to the railway vehicle and comprises the following steps:
s1: the detection unit detects the internal clearance value of the air spring in real time;
s2: the control unit generates an inflation instruction or an exhaust instruction according to the internal clearance value;
s3: and the execution unit inflates or exhausts the air spring according to the inflation or exhaust instruction, so that the dynamic adjustment of the working height of the vehicle body is realized.
The method for adjusting the working height of the vehicle body of the rail vehicle comprises the step S2:
the control unit judges the size of the internal clearance value and the standard clearance value, and when the internal clearance value is smaller than the standard clearance value, the control unit generates an inflation instruction; the control unit generates an exhaust command when the internal clearance value is greater than the standard clearance value.
The method for adjusting the working height of the vehicle body of the railway vehicle further comprises the following steps:
s4: the control unit judges whether the internal clearance value is equal to the standard clearance value or not, and if yes, the execution unit stops inflating or exhausting the air spring; if not, the execution unit continues to inflate or deflate the air spring according to the inflation or deflation instruction.
The method for adjusting the working height of the vehicle body of the railway vehicle further comprises the following steps:
s5: the detection unit detects the internal pressure value of the air spring in real time, the control unit judges whether the air spring fails according to the internal pressure value, and when the air spring fails, the execution unit stops inflating or exhausting the air spring.
The invention has the technical effects or advantages that:
the invention provides a vehicle body working height adjusting system of a railway vehicle, which is applied to the railway vehicle and comprises a detection unit, a control unit and an execution unit, wherein the detection unit is arranged in an air spring and used for detecting the internal clearance value of the air spring in real time, the control unit is arranged on a vehicle body or a bogie of the railway vehicle, the control unit is electrically connected with the detection unit and used for generating an inflation or exhaust instruction according to the internal clearance value, the execution unit is arranged on the bogie of the railway vehicle and electrically connected with the control unit and used for inflating or exhausting the air spring according to the inflation or exhaust instruction, and the dynamic adjustment of the vehicle body working height is realized. By the mode, the height valve is omitted in the rail vehicle body working height adjusting system, the bogie structure is simplified, and the control accuracy and precision are improved, so that the connecting part of the height valve and the vehicle body or the connecting part of the height valve and the swing bolster is not required to be detached independently during vehicle erection repair, the vehicle erection repair cost is reduced, and the production efficiency is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
FIG. 1 is a block diagram of a vehicle body working height adjusting system of a railway vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a vehicle body working height adjusting system of a railway vehicle, which is applied to a big bellows type air spring, according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a vehicle body working height adjusting system of a railway vehicle, which is applied to a small-bellow air spring;
fig. 4 is a flowchart of a method for adjusting the working height of the vehicle body of the rail vehicle according to the embodiment of the present invention.
Description of the drawings: 1. an air spring; 11. a first end face; 12. a second end face; 2. a control unit; 3. an execution unit; 4. and an air charging and discharging pipeline.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description. Although embodiments of the invention are disclosed in the accompanying drawings, it should be understood that the invention can be embodied in any form and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "inside", "outside", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and the like, are used herein to describe various elements, components, regions, layers and/or sections, but are used only to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Terms such as "first," "second," and the like, as well as other numerical terms, are not used herein to imply a sequence or order unless clearly indicated by the context.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the technical problems of low control precision and high production and maintenance cost of dynamically adjusting the working height of the vehicle body of the railway vehicle by adopting the altitude valve in the prior art, the invention provides the regulating system for the working height of the vehicle body of the railway vehicle, which cancels the altitude valve, simplifies the structure of a bogie and improves the control accuracy and precision, so that the connecting part of the altitude valve and the vehicle body or the connecting part of the altitude valve and a swing bolster does not need to be independently disassembled during vehicle erection and repair, the cost of vehicle erection and repair is reduced, and the production efficiency is improved.
The technical solution of the present invention will be described in detail below with reference to the specific embodiments and the accompanying drawings.
The embodiment provides a rail vehicle's automobile body working height governing system, is applied to rail vehicle, includes:
the detection unit is arranged in the air spring and used for detecting the internal gap value of the air spring in real time;
the control unit is arranged on a vehicle body or a bogie of the railway vehicle, is electrically connected with the detection unit and is used for generating an inflation or exhaust instruction according to the internal clearance value;
and the execution unit is arranged on a bogie of the railway vehicle, is electrically connected with the control unit and is used for inflating or exhausting the air spring according to the inflation or exhaust instruction so as to realize dynamic adjustment of the working height of the vehicle body.
According to the rail vehicle body working height adjusting system, the altitude valve is omitted, the bogie structure is simplified, and the control accuracy and precision are improved, so that the connecting part of the altitude valve and the vehicle body or the connecting part of the altitude valve and the swing bolster does not need to be detached independently during vehicle erection repair, the vehicle erection repair cost is reduced, and the production efficiency is improved.
Referring to fig. 1 to 3, an embodiment of the present invention relates to a vehicle body working height adjusting system of a railway vehicle, which is applied to a railway vehicle, and in particular, is applied to an air spring in a railway vehicle, which may be applied to a large curved bag type air spring or a small curved bag type air spring, a first end surface 11 of the air spring 1 is connected to a vehicle body or a sleeper beam, a second end surface 12 of the air spring 1 is connected to a bogie, and the vehicle body working height adjusting system of the railway vehicle includes a detection unit, a control unit 2, an execution unit 3, and a storage unit, wherein the detection unit is electrically connected to the control unit 2, the control unit 2 is electrically connected to the execution unit 3, and the control unit 2 is further electrically connected to the storage unit.
Specifically, referring to fig. 1 to 3, the detection unit is used to detect the internal gap value and the internal pressure value of the air spring 1. The detection unit is arranged in the air spring 1 and is electrically connected with the control unit 2, in the embodiment, the detection unit and the control unit 2 can be electrically connected through a wireless unit or a wired unit, and the wireless unit comprises but is not limited to WiFi, Bluetooth and Ethernet; wired units include, but are not limited to, RS485, RS232, and CAN bus.
In this embodiment, the detection unit includes a displacement sensor and a pressure sensor, wherein the displacement sensor and the pressure sensor are both disposed in the air spring 1, and the displacement sensor includes, but is not limited to, an infrared sensor, an ultrasonic sensor, and an optical fiber sensor.
In a specific application, a displacement sensor in the detection unit detects the internal gap value of the air spring 1 in real time, and a pressure sensor in the detection unit detects the internal pressure value of the air spring 1 in real time, and sends the detected internal gap value and internal pressure value to the control unit 2.
With continued reference to fig. 1-3, the control unit 2 is used to generate an inflation or deflation command. Specifically, the control unit 2 is provided on a vehicle body or a bogie of the railway vehicle.
In a specific application, the control unit 2 receives the internal clearance value sent by the displacement sensor and generates an inflation or deflation instruction according to the internal clearance value. More specifically, when the vehicle body load changes, the vehicle body working height of the rail vehicle changes correspondingly, the displacement sensor in the detection unit detects the internal clearance value of the air spring 1 in real time, and the control unit 2 generates an inflation or exhaust instruction according to the internal clearance value and the standard clearance value, wherein the standard clearance value is the height of the air spring 1 in the standard working process, and the standard clearance value is a certain value. And when the internal clearance value is larger than the standard clearance value, generating an air charging command.
In a specific application, the control unit 2 receives an internal pressure value sent by the pressure sensor, the control unit 2 judges whether the air spring 1 has a fault according to the internal pressure value, and when the air spring 1 has a fault, the execution unit 3 closes a channel communicated with the inflation channel 4 of the air spring 1 or a channel communicated with the exhaust channel 4 of the air spring 1.
With continued reference to fig. 1-3, the actuator unit 3 is used to control the inflation or deflation of the air spring 1. Specifically, the actuator unit 3 is provided on a bogie of the railway vehicle, and the actuator unit 3 is electrically connected to the control unit 2.
In this embodiment, the execution unit 3 is an electromagnetic valve, wherein the electromagnetic valve is a three-position five-way valve, and the electromagnetic valve is respectively communicated with an air source (generally, an air source of a brake pipeline) of the vehicle, the inflation channel 4 of the air spring 1, and the exhaust channel 4 of the air spring 1. The electromagnetic valve can be of a pilot type, and can also be of a direct-acting type.
In specific application, the control unit 2 sends an inflation instruction or an exhaust instruction to the execution unit 3, and the execution unit 3 inflates the air spring 1 or exhausts the air spring 1 according to the inflation instruction or the exhaust instruction, so that the dynamic adjustment of the working height of the rail vehicle body is realized. Specifically, when the execution unit 3 receives an inflation instruction sent by the control unit 2, a channel communicated with the inflation channel 4 of the air spring 1 is opened until the internal gap value reaches the standard gap value; when the execution unit 3 receives the exhaust instruction sent by the control unit 2, a channel communicated with the exhaust channel of the air spring 1 is opened until the internal clearance value reaches the standard clearance value.
With continued reference to fig. 1-3, the storage unit is used to store the data detected by the detection unit. Specifically, the storage unit is electrically connected to the control unit 2 and stores an internal gap value detected by the displacement sensor and an internal pressure value detected by the pressure sensor, so that the performance of the air spring 1 can be analyzed based on the historically stored internal gap value and internal pressure value.
According to the rail vehicle body working height adjusting system, the altitude valve is omitted, the bogie structure is simplified, and the control accuracy and precision are improved, so that the connecting part of the altitude valve and the vehicle body or the connecting part of the altitude valve and the swing bolster does not need to be detached independently during vehicle erection repair, the vehicle erection repair cost is reduced, and the production efficiency is improved.
The embodiment also provides a railway vehicle, including railway vehicle's automobile body working height governing system, air spring 1 and bogie, wherein railway vehicle's automobile body working height governing system is foretell railway vehicle's automobile body working height governing system, and railway vehicle's automobile body working height governing system includes detecting element, the control unit 2 and the execution unit 3, and the detecting element sets up in air spring 1, and the control unit 2 sets up on the automobile body or on the bogie, and the execution unit 3 sets up on the bogie.
The embodiment also provides a method for adjusting the working height of a vehicle body of a railway vehicle, which is applied to the railway vehicle, in particular to an air spring in the railway vehicle, and can be applied to a large curved bag type air spring and a small curved bag type air spring, wherein the first end surface 11 of the air spring 1 is connected with a vehicle body or a sleeper beam, and the second end surface 12 of the air spring 1 is connected with a bogie, and the method comprises the following steps:
s1: the detection unit detects the internal clearance value of the air spring in real time.
In this embodiment, the detecting unit is disposed in the air spring 1, and the detecting unit includes a displacement sensor, which includes but is not limited to an infrared sensor, an ultrasonic sensor, and an optical fiber sensor.
In a specific application, the displacement sensor detects the internal clearance value of the air spring in real time and transmits the detected internal clearance value to the control unit 2.
S2: the control unit 2 generates an inflation command or an exhaust command according to the internal clearance value.
In this embodiment, the control unit 2 is disposed on the car body or the bogie of the rail car, and the control unit 2 is electrically connected to the detection unit, and may be electrically connected through a wireless unit or a wired unit, where the wireless unit includes but is not limited to WiFi, bluetooth and ethernet; wired units include, but are not limited to, RS485, RS232, and CAN bus.
In this embodiment, the step S2 specifically includes:
the control unit 2 judges the size of the internal clearance value and the standard clearance value, and when the internal clearance value is smaller than the standard clearance value, the control unit 2 generates an inflation instruction; when the internal clearance value is larger than the standard clearance value, the control unit 2 generates an exhaust instruction.
S3: and the execution unit 3 inflates or deflates the air spring 1 according to the inflation or deflation instruction.
In this embodiment, the execution unit 3 is electrically connected to the control unit 2, and the execution unit 3 is an electromagnetic valve, wherein the electromagnetic valve is a three-position five-way valve, and the electromagnetic valve is respectively communicated with an air source (generally, an air source of a brake pipeline) of the vehicle, an inflation channel 4 of the air spring 1, and an exhaust channel 4 of the air spring 1. The electromagnetic valve can be of a pilot type, and can also be of a direct-acting type.
In specific application, the control unit 2 sends an inflation instruction or an exhaust instruction to the execution unit 3, and the execution unit 3 inflates the air spring 1 or exhausts the air spring 1 according to the inflation instruction or the exhaust instruction, so that the dynamic adjustment of the working height of the rail vehicle body is realized. Specifically, when the execution unit 3 receives an inflation instruction sent by the control unit 2, a channel communicated with the inflation channel 4 of the air spring 1 is opened until the internal gap value reaches the standard gap value; when the execution unit 3 receives the exhaust instruction sent by the control unit 2, a channel communicated with the exhaust channel 4 of the air spring 1 is opened until the internal clearance value reaches the standard clearance value.
S4: the control unit 2 judges whether the internal clearance value is equal to the standard clearance value, if so, the execution unit 3 stops inflating or exhausting the air spring 1; if not, the execution unit 3 continues to inflate or deflate the air spring 1 according to the inflation or deflation instruction.
In a specific application, in order to further ensure accurate control of the air spring 1, when the internal gap value of the air spring 1 reaches the standard gap value, the air spring 1 does not need to be inflated or exhausted, and at this time, the execution unit 3 stops inflating or exhausting the air spring 1, that is, the channel communicated with the inflation channel 4 of the air spring 1 or the channel communicated with the exhaust channel 4 of the air spring 1 is closed.
In a specific application, the step S4 is not in sequence with the steps S1, S2 and S3.
S5: the detection unit detects the internal pressure value of the air spring 1 in real time, the control unit 2 judges whether the air spring 1 is in fault according to the internal pressure value, and when the air spring 1 is in fault, the execution unit 3 stops inflating or exhausting the air spring 1.
In this embodiment, the pressure sensor is disposed inside the air spring 1, and in order to ensure the safety of the operation of the rail vehicle, the pressure sensor detects the internal pressure value of the air spring 1 in real time and compares the internal pressure value with a standard pressure value, so as to determine whether the air spring 1 has a fault.
According to the method for adjusting the working height of the railway vehicle body, the altitude valve is omitted, the bogie structure is simplified, and the control accuracy and precision are improved, so that the connecting part of the altitude valve and the vehicle body or the connecting part of the altitude valve and the swing bolster is not required to be detached independently during vehicle erection, the cost of vehicle erection is reduced, and the production efficiency is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A rail vehicle's automobile body working height governing system is applied to rail vehicle, its characterized in that includes:
the detection unit is arranged in the air spring and used for detecting the internal gap value of the air spring in real time;
the control unit is arranged on a vehicle body or a bogie of the railway vehicle, is electrically connected with the detection unit and is used for generating an inflation or exhaust instruction according to the internal clearance value;
and the execution unit is arranged on a bogie of the railway vehicle, is electrically connected with the control unit and is used for inflating or exhausting the air spring according to the inflation or exhaust instruction so as to realize dynamic adjustment of the working height of the vehicle body.
2. The rail vehicle body working height adjusting system according to claim 1, wherein the detection unit is further configured to detect an internal pressure value of the air spring.
3. The rail vehicle body working height adjusting system according to claim 1 or 2, wherein the detection unit includes a displacement sensor and a pressure sensor.
4. The rail vehicle body working height adjusting system according to claim 1, wherein the execution unit is a solenoid valve, the solenoid valve is a three-position five-way valve, and the solenoid valve is respectively communicated with an air source of the rail vehicle, an inflation channel of the air spring and an exhaust channel of the air spring.
5. The rail vehicle body working height adjusting system according to claim 2, further comprising:
and the storage unit is electrically connected with the control unit and is used for storing the internal gap value and the internal pressure value.
6. A rail vehicle is characterized by comprising a vehicle body working height adjusting system of the rail vehicle, an air spring and a bogie; the rail vehicle's automobile body working height governing system includes: the air spring air-pressure detecting device comprises a detecting unit, a control unit and an executing unit, wherein the detecting unit is arranged in the air spring, the control unit is arranged on a vehicle body or a bogie, and the executing unit is arranged on the bogie.
7. A method for adjusting the working height of a vehicle body of a railway vehicle is applied to the railway vehicle and is characterized by comprising the following steps:
s1: the detection unit detects the internal clearance value of the air spring in real time;
s2: the control unit generates an inflation instruction or an exhaust instruction according to the internal clearance value;
s3: and the execution unit inflates or exhausts the air spring according to the inflation or exhaust instruction, so that the dynamic adjustment of the working height of the vehicle body is realized.
8. The method for adjusting the working height of the vehicle body of the railway vehicle as claimed in claim 7, wherein the step S2 specifically comprises:
the control unit judges the size of the internal clearance value and the standard clearance value, and when the internal clearance value is smaller than the standard clearance value, the control unit generates an inflation instruction; the control unit generates an exhaust command when the internal clearance value is greater than the standard clearance value.
9. The rail vehicle body working height adjusting method according to claim 8, further comprising:
s4: the control unit judges whether the internal clearance value is equal to the standard clearance value or not, and if yes, the execution unit stops inflating or exhausting the air spring; if not, the execution unit continues to inflate or deflate the air spring according to the inflation or deflation instruction.
10. The rail vehicle body working height adjusting method according to claim 9, further comprising:
s5: the detection unit detects the internal pressure value of the air spring in real time, the control unit judges whether the air spring fails according to the internal pressure value, and when the air spring fails, the execution unit stops inflating or exhausting the air spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001919.2A CN112660190A (en) | 2021-01-04 | 2021-01-04 | System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110001919.2A CN112660190A (en) | 2021-01-04 | 2021-01-04 | System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112660190A true CN112660190A (en) | 2021-04-16 |
Family
ID=75412623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110001919.2A Pending CN112660190A (en) | 2021-01-04 | 2021-01-04 | System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112660190A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009040077A (en) * | 2007-08-06 | 2009-02-26 | Kawasaki Heavy Ind Ltd | Vehicle body tilting control system of railway rolling stock |
| CN107444053A (en) * | 2017-09-19 | 2017-12-08 | 安路普（北京）汽车技术有限公司 | A kind of air suspension control system and its method of work, multiple-axle vehicle |
| CN108105312A (en) * | 2017-12-25 | 2018-06-01 | 中国船舶重工集团公司第七〇九研究所 | A kind of integrated air spring |
| CN110001338A (en) * | 2019-03-18 | 2019-07-12 | 江苏大学 | A kind of suspension system and method and vehicle |
| CN110641500A (en) * | 2019-11-06 | 2020-01-03 | 中车株洲电力机车有限公司 | Train axle readjusting method, traction force and braking force distribution method and system |
| CN110775089A (en) * | 2019-11-06 | 2020-02-11 | 中车株洲电力机车有限公司 | Rail transit vehicle, bogie and control method |
| CN210363256U (en) * | 2019-07-18 | 2020-04-21 | 青岛纪玉捷成车辆技术有限公司 | Electronic control type air suspension system with accurate displacement control and adjustment |
-
2021
- 2021-01-04 CN CN202110001919.2A patent/CN112660190A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009040077A (en) * | 2007-08-06 | 2009-02-26 | Kawasaki Heavy Ind Ltd | Vehicle body tilting control system of railway rolling stock |
| CN107444053A (en) * | 2017-09-19 | 2017-12-08 | 安路普（北京）汽车技术有限公司 | A kind of air suspension control system and its method of work, multiple-axle vehicle |
| CN108105312A (en) * | 2017-12-25 | 2018-06-01 | 中国船舶重工集团公司第七〇九研究所 | A kind of integrated air spring |
| CN110001338A (en) * | 2019-03-18 | 2019-07-12 | 江苏大学 | A kind of suspension system and method and vehicle |
| CN210363256U (en) * | 2019-07-18 | 2020-04-21 | 青岛纪玉捷成车辆技术有限公司 | Electronic control type air suspension system with accurate displacement control and adjustment |
| CN110641500A (en) * | 2019-11-06 | 2020-01-03 | 中车株洲电力机车有限公司 | Train axle readjusting method, traction force and braking force distribution method and system |
| CN110775089A (en) * | 2019-11-06 | 2020-02-11 | 中车株洲电力机车有限公司 | Rail transit vehicle, bogie and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2437952B1 (en) | Height control module, gas spring assembly and method | |
| CN103038030B (en) | Apparatus and method for controlling elastic actuator drive mechanism | |
| CN101522491B (en) | Compressed air supply system and method for determining the parameters of said system | |
| JP4966467B2 (en) | Secondary buffer system | |
| US8868294B2 (en) | Adjustable hysteresis circuit for control of air suspension | |
| CN105059075B (en) | A kind of bodywork height twin-stage control method | |
| US20080290617A1 (en) | Gas suspension system and method | |
| US8899160B2 (en) | Roll compensation system for rail vehicles | |
| CN102666152A (en) | Valve device for an air suspension system | |
| US10829132B2 (en) | Vehicle body inclination controller and failure determination device for vehicle body inclination controller | |
| CN103009955A (en) | Air pressure adjustable oil-gas suspension system, air pressure adjusting method thereof and engineering vehicle | |
| CN113027980B (en) | Electromagnetic suspension type air spring and railway vehicle | |
| CN105065544A (en) | Dual air spring with shared additional air chamber and control method and application of dual air spring | |
| CN111993852B (en) | Air suspension electric control system with double-height and pressure control | |
| CN112660190A (en) | System and method for adjusting working height of vehicle body of railway vehicle and railway vehicle | |
| CN204955994U (en) | Intelligence air spring controlling means | |
| US6796163B2 (en) | Leak-Tightness and operational test of a stop valve in a pneumatic suspension | |
| CN110225842A (en) | Actuation means | |
| CN114954388B (en) | Emergency braking control system and method | |
| CN219154471U (en) | Rail vehicle body height adjusting valve type mechanism, control system and rail vehicle | |
| CN113335012A (en) | Suspension control method and system and multi-axis vehicle | |
| CN114701317A (en) | Air source adjusting device and method for air spring | |
| JP4077293B2 (en) | Air spring height control device for railway vehicles | |
| JP2000088030A (en) | Air spring and its height adjusting device | |
| CN217463043U (en) | Vehicle body height detection control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210416 |
|
| RJ01 | Rejection of invention patent application after publication |