阅读说明：本技术 空气弹簧自动充放气装置以及充放气方法 (Automatic air spring inflation and deflation device and method ) 是由 程用超 王帅 张苗 漆琼芳 陈林雄 李侃 于 2020-08-17 设计创作，主要内容包括：本发明涉及一种空气弹簧自动充放气装置以及充放气方法。该装置的执行单元包括第一两位两通电磁换向阀以及第二两位两通电磁换向阀,第一两位两通电磁换向阀的P口和空压机的输出口连通,第一两位两通电磁换向阀的A口和空气弹簧的气口连通,第二两位两通电磁换向阀的P口和外界接通,第二两位两通电磁换向阀的A口和空气弹簧的气口连通,压力传感器和空气弹簧的气口连通,控制器分别和压力传感器、第一两位两通电磁换向阀的电磁阀以及第二两位两通电磁换向阀的电磁阀连接。本发明可以保持空气弹簧的压力处于所需求的范围,避免压力波动,以适应所处的不同环境,达到防止隔振系统效率的波动的目的,为船舶设备隔振提供重要的技术支撑。(The invention relates to an automatic air spring inflation and deflation device and an automatic air spring inflation and deflation method. The execution unit of the device comprises a first two-position two-way electromagnetic directional valve and a second two-position two-way electromagnetic directional valve, a P port of the first two-position two-way electromagnetic directional valve is communicated with an output port of an air compressor, an A port of the first two-position two-way electromagnetic directional valve is communicated with a gas port of an air spring, a P port of the second two-position two-way electromagnetic directional valve is communicated with the outside, an A port of the second two-position two-way electromagnetic directional valve is communicated with a gas port of the air spring, a pressure sensor is communicated with the gas port of the air spring, and a controller is respectively connected with the pressure sensor, an electromagnetic valve of the first two-position two-way electromagnetic directional valve and an electromagnetic valve of the second two-position two-way. The invention can keep the pressure of the air spring in a required range, avoid pressure fluctuation, adapt to different environments, achieve the aim of preventing the efficiency of the vibration isolation system from fluctuating, and provide important technical support for vibration isolation of ship equipment.)

1. An automatic air spring inflation and deflation device, which is suitable for automatic inflation and deflation of an air spring (11), and is characterized by comprising:

the air compressor (1), the said air compressor (1) has delivery outlets;

the air compressor comprises an execution unit, wherein the execution unit comprises a first two-position two-way electromagnetic directional valve (9) and a second two-position two-way electromagnetic directional valve (10), the first two-position two-way electromagnetic directional valve (9) and the second two-position two-way electromagnetic directional valve (10) are respectively provided with a port P and a port A which can be communicated, the port P of the first two-position two-way electromagnetic directional valve (9) is communicated with an output port of the air compressor (1), the port A of the first two-position two-way electromagnetic directional valve (9) is communicated with a port of the air spring (11), the port P of the second two-position two-way electromagnetic directional valve (9) is communicated with the outside, and the port A of the second two-position two-way electromagnetic directional valve (9) is communicated with a port of the air spring (11);

the pressure sensor (12), the pressure sensor (12) is communicated with the air port of the air spring (11), and is used for detecting the gas pressure value in the air spring (11);

and the controller is respectively connected with the pressure sensor (12), the electromagnetic valve of the first two-position two-way electromagnetic directional valve (9) and the electromagnetic valve of the second two-position two-way electromagnetic directional valve (10).

2. The automatic air spring inflation and deflation device as claimed in claim 1, wherein the execution units are connected in parallel, and each execution unit is correspondingly connected with one air spring (11).

3. The automatic air spring inflation and deflation device according to claim 1, further comprising a one-way valve (3), wherein the one-way valve (3) is arranged between the air compressor (1) and the port P of the first two-position two-way electromagnetic directional valve (9).

4. The automatic air spring inflation and deflation device according to claim 3, further comprising an air storage tank (4), wherein the air storage tank (4) is arranged between the check valve (3) and the port P of the first two-position two-way electromagnetic directional valve (9).

5. An automatic air spring inflation and deflation device as claimed in claim 4, wherein the air storage tank (4) is provided with a safety valve (5).

6. An automatic air spring inflation and deflation device as claimed in claim 5, wherein the air storage tank (4) is provided with a pressure gauge (6).

7. The automatic air spring inflation and deflation device according to claim 4, further comprising a pneumatic linkage (7), wherein the pneumatic linkage (7) is arranged between the air storage tank (4) and the port P of the first two-position two-way electromagnetic directional valve (9).

8. The automatic air spring inflation and deflation device as claimed in claim 7, wherein the pneumatic linkage (7) comprises an air pressure reducing valve and a filter which are sequentially arranged from the air storage tank (4) to the first two-position two-way electromagnetic directional valve (9).

9. An automatic air spring inflation and deflation method, which is based on the automatic air spring inflation and deflation device of any one of claims 1 to 8, and comprises the following steps:

a pressure sensor (12) detects the gas pressure value in the air spring (11) and sends the gas pressure value to the controller;

the controller receives the gas pressure value and compares the gas pressure value with a preset gas pressure value of the air spring;

if the gas pressure value is smaller than the preset gas pressure value of the air spring, the electromagnetic valve of the first two-position two-way electromagnetic directional valve (9) is opened, and the air spring (11) is inflated through the air compressor (1);

and if the gas pressure value is greater than the preset gas pressure value of the air spring, the electromagnetic valve of the second two-position two-way electromagnetic directional valve (10) is opened, and the gas in the air spring (11) is discharged through the second two-position two-way electromagnetic directional valve (10).

Technical Field

The invention belongs to the technical field of ship vibration reduction and noise reduction, and particularly relates to an automatic air spring inflation and deflation device and an air spring inflation and deflation method.

Background

In the vibration and noise reduction engineering of ships, vibration dampers are generally adopted to perform vibration isolation treatment on strong vibration equipment, so that the vibration of the equipment is isolated and transmitted to a ship body through a machine leg, and the energy brought by the vibration of the equipment is absorbed. The air bag vibration isolator based on the air spring principle is widely applied to vibration isolation design of ship equipment due to good vibration isolation performance of the air bag vibration isolator.

For a single air spring, the internal pressure of the air spring is greatly influenced by the environment during the service life of the air spring, and the phenomenon of pressure fluctuation is often presented, and the internal pressure fluctuation of the air spring has the influence on the rigidity fluctuation of the air spring, so that the fluctuation of the efficiency of the vibration isolation system is caused.

In order to improve the technical level of the internal pressure stability of the marine air spring, it is necessary to optimize an air spring inflation and deflation control method, and important technical support is provided for vibration isolation of marine equipment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the automatic air spring inflation and deflation device and the inflation and deflation method, which can provide important technical support for vibration isolation of ship equipment.

The technical scheme of the invention is as follows:

in one aspect, the present invention provides an automatic inflation and deflation device for an air spring, which is suitable for automatic inflation and deflation of the air spring, and comprises:

an air compressor having an output port;

the air compressor comprises an execution unit and a control unit, wherein the execution unit comprises a first two-position two-way electromagnetic directional valve and a second two-position two-way electromagnetic directional valve, the first two-position two-way electromagnetic directional valve and the second two-position two-way electromagnetic directional valve are respectively provided with a P port and an A port which can be communicated, the P port of the first two-position two-way electromagnetic directional valve is communicated with an output port of the air compressor, the A port of the first two-position two-way electromagnetic directional valve is communicated with an air port of the air spring, the P port of the second two-position two-way electromagnetic directional valve is communicated with the outside, and the A port of the second two-position two-way electromagnetic directional valve is communicated with the air port of the air spring;

the pressure sensor is communicated with a gas port of the air spring and is used for detecting the gas pressure value in the air spring;

and the controller is respectively connected with the pressure sensor, the electromagnetic valve of the first two-position two-way electromagnetic directional valve and the electromagnetic valve of the second two-position two-way electromagnetic directional valve.

Furthermore, the execution units are connected in parallel to form a plurality of groups, and each group of execution units is correspondingly connected with one air spring.

Further, the device still includes the check valve, the check valve sets up the air compressor machine with between the P mouth of first two-position two-way solenoid directional valve.

Further, the device also comprises an air storage tank, wherein the air storage tank is arranged between the one-way valve and the P port of the first two-position two-way electromagnetic directional valve.

Further, a safety valve is arranged on the air storage tank.

Furthermore, a pressure gauge is arranged on the air storage tank.

Further, the device also comprises a pneumatic duplex piece, and the pneumatic duplex piece is arranged between the gas storage tank and the P port of the first two-position two-way electromagnetic directional valve.

Furthermore, the pneumatic dual-part comprises an air reducing valve and a filter which are sequentially arranged from the air storage tank to the first two-position two-way electromagnetic directional valve.

On the other hand, the invention also provides an automatic air spring inflation and deflation method, which is carried out based on the automatic air spring inflation and deflation device and comprises the following steps:

a pressure sensor detects the gas pressure value in the air spring and sends the gas pressure value to the controller;

the controller receives the gas pressure value and compares the gas pressure value with a preset gas pressure value of the air spring;

if the gas pressure value is smaller than the preset gas pressure value of the air spring, an electromagnetic valve of the first two-position two-way electromagnetic directional valve is opened, and the air spring is inflated through the air compressor;

and if the gas pressure value is greater than the preset gas pressure value of the air spring, the electromagnetic valve of the second two-position two-way electromagnetic directional valve is opened, and the gas in the air spring is discharged through the second two-position two-way electromagnetic directional valve.

The invention has the beneficial effects that:

according to the automatic air spring inflation and deflation device and the air spring inflation and deflation method, the pressure sensor detects the air pressure value in the air spring, the air pressure value is generated to the controller, the controller compares the air pressure value with the preset air pressure value of the air spring, if the air pressure value is smaller than the preset air pressure value of the air spring, the electromagnetic valve of the first two-position two-way electromagnetic directional valve is opened, and the air spring is inflated through the air compressor; if the gas pressure value is greater than the preset gas pressure value of the air spring, the electromagnetic valve of the second two-position two-way electromagnetic directional valve is opened, and the gas in the air spring is discharged through the second two-position two-way electromagnetic directional valve, so that the pressure of the air spring can be kept in a required range, the pressure fluctuation is avoided, the purpose of preventing the vibration isolation system from fluctuating is achieved by adapting to different environments, and important technical support is provided for vibration isolation of ship equipment.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an automatic air spring inflation/deflation device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

First, the embodiment of the invention provides an automatic air spring inflation and deflation device, which is suitable for automatic inflation and deflation of an air spring.

Fig. 1 is a schematic structural diagram of an automatic air spring inflation/deflation device according to an embodiment of the present invention, and in conjunction with fig. 1, the device includes:

the air compressor 1, the air compressor 1 is the apparatus for providing the high-pressure gas for air spring 11, the air compressor 1 has delivery outlets;

the air compressor comprises an execution unit, wherein the execution unit comprises a first two-position two-way electromagnetic directional valve 9 and a second two-position two-way electromagnetic directional valve 10, the first two-position two-way electromagnetic directional valve 9 and the second two-position two-way electromagnetic directional valve 10 are in a normally closed state and are opened after being electrified, the first two-position two-way electromagnetic directional valve 9 and the second two-position two-way electromagnetic directional valve 10 are both provided with a P port and an A port which can be communicated, the P port of the first two-position two-way electromagnetic directional valve 9 is communicated with an output port of the air compressor 1, the A port of the first two-position two-way electromagnetic directional valve 9 is communicated with an air port of an air spring 11, the P port of the second two-position two-way electromagnetic directional valve 9 is communicated with the outside, and the A port of the second two-position two-way electromagnetic directional valve 9;

the pressure sensor 12 is communicated with the air port of the air spring 11, and is used for detecting the air pressure value in the air spring 11 and playing a role in monitoring air pressure;

and the controller is respectively connected with the pressure sensor 12, the electromagnetic valve of the first two-position two-way electromagnetic directional valve 9 and the electromagnetic valve of the second two-position two-way electromagnetic directional valve 10.

With reference to fig. 1, the automatic inflation/deflation device of the embodiment of the present invention further includes a check valve 3, the check valve 3 is disposed between the air compressor 1 and the port P of the first two-position two-way electromagnetic directional valve 9, and the check valve 3 can prevent gas from flowing back into the air compressor 1.

Referring to fig. 1, the automatic inflation and deflation device of the embodiment of the invention further comprises an air storage tank 4, the air storage tank 4 is arranged between the one-way valve 3 and the port P of the first two-position two-way electromagnetic directional valve 9, and the air storage tank 4 can play a role in balancing the system pressure.

Further, referring to fig. 1, a safety valve 5 and a pressure gauge 6 are provided on the gas storage tank 4 according to the embodiment of the present invention, so as to improve the safety of the gas storage tank 4 during use.

Referring to fig. 1, the automatic inflation and deflation device of the embodiment of the present invention further includes a pneumatic two-way connection 7, and the pneumatic two-way connection 7 is disposed between the air storage tank 4 and the port P of the first two-position two-way electromagnetic directional valve 9.

Specifically, in the embodiment of the present invention, the pneumatic two-way component 7 includes an air pressure reducing valve and a filter which are sequentially arranged from the air storage tank 4 to the first two-position two-way electromagnetic directional valve 9, and the pneumatic two-way component 7 can filter high-pressure gas and reduce pressure for the gas, so as to improve the safety of the device in use.

Referring to fig. 1, the execution units of the embodiment of the present invention are connected in parallel to form a plurality of groups, and each group of execution units is correspondingly connected to one air spring 11, so that a plurality of air springs 11 can be simultaneously inflated and deflated, and the present invention has high practicability.

The components of the automatic inflation and deflation device of the embodiment of the invention can be connected through a high-pressure pipeline 2.

In addition, based on the automatic air spring inflation and deflation device, the invention also provides an automatic air spring inflation and deflation method, which comprises the following steps:

the pressure sensor 12 detects the gas pressure value in the air spring 11 and sends the gas pressure value to the controller;

the controller receives the gas pressure value and compares the gas pressure value with a gas pressure value preset by the air spring;

if the gas pressure value is smaller than the preset gas pressure value of the air spring (the pressure in the air spring is reduced), the electromagnetic valve of the first two-position two-way electromagnetic directional valve 9 is opened, and the air spring 11 is inflated through the air compressor 1;

if the gas pressure value is larger than the preset gas pressure value of the air spring (the pressure in the air spring rises), the electromagnetic valve of the second two-position two-way electromagnetic directional valve 10 is opened, and the gas in the air spring 11 is discharged through the second two-position two-way electromagnetic directional valve 10.

In the embodiment of the invention, the preset gas pressure value of the air spring can be in a range.

The automatic air spring inflation and deflation device and the air spring inflation and deflation method provided by the invention can keep the pressure of the air spring in a required range, avoid pressure fluctuation, adapt to different environments, achieve the purpose of preventing the efficiency fluctuation of the vibration isolation system, and provide important technical support for the vibration isolation of ship equipment.

The following embodiments are provided for the purpose of illustrating the present invention and are not to be construed as limiting the present invention in any way, and it will be apparent to those skilled in the art that the technical features of the present invention can be modified or changed in some ways without departing from the scope of the present invention.