CN102566613A - Air charging and discharging control device for air spring supporting system - Google Patents
Air charging and discharging control device for air spring supporting system Download PDFInfo
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- CN102566613A CN102566613A CN2011104017120A CN201110401712A CN102566613A CN 102566613 A CN102566613 A CN 102566613A CN 2011104017120 A CN2011104017120 A CN 2011104017120A CN 201110401712 A CN201110401712 A CN 201110401712A CN 102566613 A CN102566613 A CN 102566613A
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Abstract
The invention relates to an air charging and discharging control device for an air spring supporting system. The control device is provided with a site control box and an indoor control box, wherein an air charging electromagnetic valve and an air discharging electromagnetic valve are arranged in the site control box; one end of the air charging electromagnetic valve is connected with a main air supply pipeline, and the other end of the air charging electromagnetic valve is connected with an additional air chamber of the air spring supporting system and used for performing air charging control; one end of the air discharging electromagnetic valve is connected with the additional air chamber of the air spring supporting system, and the other end of the air discharging electromagnetic valve is communicated with atmospheric air and used for performing air discharging control; a programmable logic controller (PLC) and a human-computer interface which is connected with the PLC are arranged in the indoor control box; and the PLC is electrically connected with the air charging electromagnetic valve and the air discharging electromagnetic valve and electrically connected with a pressure transmitter which is arranged on the additional air chamber of the air spring supporting system. The air charging and discharging control device for the air spring supporting system has the advantages that: under the control of the PLC, the air charging electromagnetic valve and the air discharging electromagnetic valve work to perform air charging and discharging on the air spring supporting system, so the air spring supporting system has different air-charging pressures, and static carrying of different vehicle weights is realized.
Description
Technical field
The present invention relates to the tired and vibration table air spring supporting system of a kind of rolling stock, specifically, relate to a kind of railway freight-car fatigue and fill exhaust control device with vibration table air spring supporting system.
Background technology
Carry out in the torture test operating mode at railroad car; The air spring supporting system mainly is to lorry body and vertically its static carrying effect of load bar; When car body makes an experiment and car body load the actuator servo-actuated, air spring system does not fill the exhaust action.Because different truck bodies vary in weight; Need make air spring system have different load-bearing capacitys; The load-bearing capacity of air spring supporting system is to realize through regulating the inner compressed air pressure of air spring; Therefore, need a kind of special exhaust control device that fills to realize the exhaust of filling of air spring supporting system is controlled.Simultaneously, have stable duty, fill emission control and also should have superpressure and report to the police, leakage alarm and fill the function of exhaust automatically in order to make the air spring supporting system.And also not having a kind of device can realize the control function of this specialty at present, the present invention is exactly that railway freight-car is tired to fill a kind of device of exhaust control with vibration table air spring supporting system to being specifically designed to of developing to this problem.
Summary of the invention
The objective of the invention is to have the above-mentioned exhaust control problem of filling to the tired air spring supporting system of railway freight-car with vibration table; Provide a kind of air spring supporting system to fill exhaust control device; This control device is used for the tired and vibration table air spring supporting system of rolling stock; Realization is controlled the exhaust of filling of air spring, can make air spring have different charge pressures, thereby realizes the static state of different car body weight is carried.
Technical scheme of the present invention is: a kind of air spring supporting system fills exhaust control device; This fills exhaust control device and is provided with field control case and indoor control box; Inflation solenoid valve and exhaust solenoid valve are installed in the field control case, and inflation solenoid valve one end is connected with main supply air line, and an end is connected with the auxiliary chamber of air spring supporting system; Be used for the air spring supporting system is carried out ventilating control; Exhaust solenoid valve one end is connected with the auxiliary chamber of air spring supporting system, and an end and atmosphere are used for the air spring supporting system is carried out exhaust control; A PLC controller and a man-machine interface that is connected with the PLC controller are installed in the indoor control box; The PLC controller is electrically connected with inflation solenoid valve and exhaust solenoid valve respectively, and is electrically connected with pressure unit on being arranged on air spring supporting system auxiliary chamber;
Preferably, inflation solenoid valve and exhaust solenoid valve are provided with 6, and each inflation solenoid valve homogeneous end is connected with main supply air line, and an end is connected with the auxiliary chamber of air spring supporting system; Each exhaust solenoid valve homogeneous end is connected an end and atmosphere with the auxiliary chamber of air spring supporting system;
Preferably, inflation solenoid valve and exhaust solenoid valve all adopt the bi-bit bi-pass normally closed solenoid valve;
Preferably, the field control case is provided with inflation button and exhaust button, is connected with exhaust solenoid valve with the inflation solenoid valve respectively, is used for the exhaust of filling of control air support system of the spring;
Preferably, be provided with pressure warning unit in the indoor control box, be used for superpressure warning and pressure leakages and report to the police;
Preferably, described pressure warning unit is a pressure warning unit, and this pressure warning unit is connected with the PLC controller
Preferably, main supply air line is provided with control and fills the ball valve of exhaust, and main supply air line, inflation solenoid valve and exhaust solenoid valve are connected with tensimeter respectively, and exhaust solenoid valve is connected with a sound suppressor;
Preferably, main supply air line is connected with an air compressor, is connected with first oil and water filters, gas-holder, second oil and water filters and reduction valve between main supply air line and the air compressor in turn.
Beneficial effect of the present invention is: the present invention is through PLC controller control inflation solenoid valve and exhaust solenoid valve action; The air spring supporting system is filled exhaust; Make the air spring supporting system have different charge pressures, realized the static state of different car body weight is carried.The present invention fills exhaust control device and can realize simultaneously six road air springs are filled exhaust control simultaneously; Also can fill exhaust control to independent one road air spring; Simultaneously; Be provided with pressure warning unit, have superpressure warning, pressure leakages warning function, guaranteed that air spring has the load-bearing capacity of testing table requirement.
Description of drawings
Fig. 1 is the electrical schematic diagram of the specific embodiment of the invention;
Fig. 2 is the piping arrangement of specific embodiment of the invention air spring supporting system;
Fig. 3 is the electrical schematic diagram of specific embodiment of the invention field control case.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Shown in Fig. 1 to 3; A kind of air spring supporting system fills exhaust control device; This fills exhaust control device and is provided with field control case 1 and indoor control box 2, and 6 exhaust solenoid valves 4 of 6 inflation solenoid valves 3 and row are installed in the field control case, and inflation solenoid valve 3 all adopts the bi-bit bi-pass normally closed solenoid valve with exhaust solenoid valve 4; Each inflation solenoid valve 3 homogeneous end is connected with main supply air line; One end is connected with the auxiliary chamber 9 of air spring supporting system, constitutes loading line, is used for the air spring supporting system is carried out ventilating control; Each exhaust solenoid valve homogeneous end is connected with the auxiliary chamber 9 of air spring supporting system, and an end and atmosphere constitute gas exhaust piping, is used for the air spring supporting system is carried out exhaust control; Field control case 1 is provided with inflation button and exhaust button, is connected with exhaust solenoid valve 4 with inflation solenoid valve 3 respectively, is used for the exhaust of filling of control air support system of the spring.A PLC controller and a personal-machine interface are installed in the indoor control box 2, and man-machine interface is connected with the PLC controller, shows as the input of logic control and the feedback of detection signal; The PLC controller is electrically connected with exhaust solenoid valve 4 with inflation solenoid valve 3 respectively; Be used for control inflation solenoid valve 3 and exhaust solenoid valve 4 actions; Exhaust control is filled in realization; And be electrically connected with pressure unit 5 on being arranged on air spring supporting system auxiliary chamber, receive pressure signal, carry out the real-time demonstration and the detection of pressure; Be provided with pressure warning unit in the indoor control box 2, be used for superpressure warning and pressure leakages and report to the police; Pressure warning unit is a pressure warning unit, and this pressure warning unit is connected with the PLC controller, when the pressure that detects when pressure unit surpasses setting value or pressure and is lower than setting value and in 15 minutes, can not reaches setting value, reports to the police.Main supply air line is provided with control and fills the ball valve 6 of exhaust, and main supply air line, inflation solenoid valve 3 and exhaust solenoid valve 4 are connected with tensimeter 7 respectively, and exhaust solenoid valve 4 is connected with a sound suppressor 8; Main supply air line is connected with an air compressor 10, is connected with first oil and water filters 11, gas-holder 12, second oil and water filters 13 and reduction valve 14 between main supply air line and the air compressor 10 in turn.
Principle of work:
The single action of indoor control box-manual control function, on man-machine interface, control function is arranged to " single action-manually ", this moment, 6 road loading lines were independent separately; In the time of need inflating for a certain road, on man-machine interface, click the inflation button, PLC controller output order; The inflation solenoid valve of connecting this road of control promptly can be its inflation; Click the inflation button once more, promptly close the inflation solenoid valve, accomplish gas replenishment process.In like manner, in the time of need be for the exhaust of a certain road, on man-machine interface, click exhaust button, PLC controller output order, the exhaust solenoid valve of connecting this road of control promptly can be its exhaust, clicks exhaust button once more, promptly closes exhaust solenoid valve, accomplishes exhaust process.
The single action of indoor control box-automatic control function, on man-machine interface, control function is arranged to " single action-automatically ", this moment, 6 road loading lines were independent separately; In the time of need filling exhaust for a certain road, need be on man-machine interface set force value in the loop parameter on a certain road, click the inflation button then; PLC controller output order, the inflation solenoid valve of connecting this road of control promptly can be its inflation, if pressure reaches setting value; Promptly close the inflation solenoid valve, accomplish gas replenishment process; Surpass setting value if any pressure, PLC controller output order is connected the exhaust solenoid valve of controlling this road, carries out the exhaust action.Pressure reaches the setting value formula, promptly closes exhaust solenoid valve, accomplishes exhaust process.
The interlock of indoor control box-manual control function, on man-machine interface, control function is arranged to " interlock-manually ", this moment, 6 road loading lines were associated with each other; Fill exhaust action simultaneously, in the time of need be for 6 tunnel inflations, on man-machine interface, click the inflation button in arbitrary loop; PLC controller output order, 6 inflation solenoid valves connecting control 6 road loading lines promptly can be its inflation, click the inflation button once more; Promptly close 6 inflation solenoid valves, accomplish gas replenishment process.In like manner, in the time of need be for 6 tunnel exhausts, on man-machine interface, click the exhaust button in arbitrary loop; PLC controller output order, 6 exhaust solenoid valves connecting control 6 road gas exhaust pipings promptly can be its exhaust, click exhaust button once more; Promptly close 6 exhaust solenoid valves, accomplish exhaust process.
The interlock of indoor control box-automatic control function, on man-machine interface, control function is arranged to " interlock-automatically ", this moment, 6 road loading lines were associated with each other; Inflate action simultaneously, in the time of need inflating automatically for 6 road loading lines, need be on man-machine interface set the force value on each road in the loop parameter of 6 road loading lines; Click the inflation button in arbitrary loop then, PLC controller output order, the inflation solenoid valve of connecting control 6 road loading lines promptly can be 6 tunnel inflations; If a certain road pressure reaches setting value, promptly close the inflation solenoid valve on this road, accomplish gas replenishment process; Other pipeline is closed the inflation solenoid valve after continuing to be inflated to setting value, accomplishes 6 tunnel gas replenishment process, if a certain road pressure surpasses setting value; PLC controller output order is connected the exhaust solenoid valve of controlling this road, carries out the exhaust action; Pressure reaches the setting value formula, promptly closes this road exhaust solenoid valve, accomplishes the exhaust process on this road.
The manual aerification function of field control case; For each inflation solenoid valve and exhaust solenoid valve a hand push button has been installed on the panel of control box at the scene; Can simply fill exhaust control; The field control case is provided with pointer pressure, can show the internal pressure of 6 road air spring supporting systems.In the time of need inflating for a certain road, only need press the inflation button on this road, the inflation solenoid valve promptly can be this road inflation, only need press the inflation button once more when stopping to inflate, and closes the inflation solenoid valve, can accomplish aerification function.In like manner, in the time of need be for the exhaust of a certain road, only need press the exhaust button on this road, exhaust solenoid valve promptly can be this road exhaust, only need press exhaust button once more when stopping exhaust, closes exhaust solenoid valve, can accomplish degassing function.
Superpressure is reported to the police, leakage warning function, on the man-machine interface of indoor control box, the fluctuation range of pressure is set for a certain road; Pressure unit feeds back to the PLC controller with the pressure signal that detects, and when pressure surpassed setting value, pressure warning unit was promptly reported to the police; Alarm lamp lights, and sounds a buzzer, when equal pressure continues to be lower than setting value; When pressure can not reach setting value in 15 minutes, show that pipeline has insufficient pressure in leakage or the main feed pipe road, this moment, pressure warning unit began to report to the police; Alarm lamp lights; And sound a buzzer, click the alarm noise reduction on the man-machine interface, the pressure variation that pressure warning unit restPoses and detects the air spring supporting system again.
Wherein, inflation solenoid valve and exhaust solenoid valve can also be set to 3,4,5, constitute 3 tunnel, 4 tunnel, 5 road charge and exhaust pipe roads and fill exhaust control, even more multichannel is filled exhaust control, realize that the exhaust of filling of multichannel air spring supporting system is controlled.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although the present invention is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. an air spring supporting system fills exhaust control device; It is characterized in that: this fills exhaust control device and is provided with field control case and indoor control box; Inflation solenoid valve and exhaust solenoid valve are installed in the field control case, and inflation solenoid valve one end is connected with main supply air line, and an end is connected with the auxiliary chamber of air spring supporting system; Be used for the air spring supporting system is carried out ventilating control; Exhaust solenoid valve one end is connected with the auxiliary chamber of air spring supporting system, and an end and atmosphere are used for the air spring supporting system is carried out exhaust control; A PLC controller and a man-machine interface that is connected with the PLC controller are installed in the indoor control box; The PLC controller is electrically connected with inflation solenoid valve and exhaust solenoid valve respectively, and is electrically connected with pressure unit on being arranged on air spring supporting system auxiliary chamber.
2. air spring supporting system according to claim 1 fills exhaust control device; It is characterized in that: inflation solenoid valve and exhaust solenoid valve are provided with 6; Each inflation solenoid valve homogeneous end is connected with main supply air line, and an end is connected with the auxiliary chamber of air spring supporting system; Each exhaust solenoid valve homogeneous end is connected an end and atmosphere with the auxiliary chamber of air spring supporting system.
3. fill exhaust control device according to claim 1 or 2 any described air spring supporting systems, it is characterized in that: inflation solenoid valve and exhaust solenoid valve all adopt the bi-bit bi-pass normally closed solenoid valve.
4. air spring supporting system according to claim 1 fills exhaust control device; It is characterized in that: the field control case is provided with inflation button and exhaust button; Be connected with exhaust solenoid valve with the inflation solenoid valve respectively, be used for the exhaust of filling of control air support system of the spring.
5. air spring supporting system according to claim 1 fills exhaust control device, it is characterized in that: be provided with pressure warning unit in the indoor control box, be used for superpressure warning and pressure leakages and report to the police.
6. air spring supporting system according to claim 5 fills exhaust control device, it is characterized in that: described pressure warning unit is a pressure warning unit, and this pressure warning unit is connected with the PLC controller.
7. fill exhaust control device according to claim 1 or 2 any described air spring supporting systems; It is characterized in that: main supply air line is provided with control and fills the ball valve of exhaust; Main supply air line, inflation solenoid valve and exhaust solenoid valve are connected with tensimeter respectively, and exhaust solenoid valve is connected with a sound suppressor.
8. air spring supporting system according to claim 7 fills exhaust control device; It is characterized in that: main supply air line is connected with an air compressor, is connected with first oil and water filters, gas-holder, second oil and water filters and reduction valve between main supply air line and the air compressor in turn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104017120A CN102566613A (en) | 2011-12-07 | 2011-12-07 | Air charging and discharging control device for air spring supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104017120A CN102566613A (en) | 2011-12-07 | 2011-12-07 | Air charging and discharging control device for air spring supporting system |
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| CN102566613A true CN102566613A (en) | 2012-07-11 |
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| CN2011104017120A Pending CN102566613A (en) | 2011-12-07 | 2011-12-07 | Air charging and discharging control device for air spring supporting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013134921A1 (en) * | 2012-03-13 | 2013-09-19 | 青岛四方车辆研究所有限公司 | Air charging and discharging control device for air spring support system |
| CN107796607A (en) * | 2017-10-11 | 2018-03-13 | 中国航发南方工业有限公司 | Film cycle charge discharge gas fatigability detection means and method |
| CN110207963A (en) * | 2019-05-29 | 2019-09-06 | 北京强度环境研究所 | Air spring resilient support erects structure freedom-free boundary simulator |
| CN112959891A (en) * | 2021-04-08 | 2021-06-15 | 南京中车浦镇海泰制动设备有限公司 | Air spring pressure adjusting device for magnetic suspension train |
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Application publication date: 20120711 |