阅读说明：本技术 一种海水泵的性能测试装置及测试方法 (Performance testing device and testing method for seawater pump ) 是由 李东梁 宗长山 周阁丽 杨海庆 王平 鞠海洪 黄涛 于 2020-12-21 设计创作，主要内容包括：本发明公开了一种海水泵的性能测试装置及测试方法,涉及海水液压传动测试技术领域,本发明提供的控制检测显示台上电,由伺服电机SM2控制可调节柱塞泵,对压力釜进行加压,为海水泵提供一个模拟海水中的静压力环境,然后按照海水泵的要求在控制台上输入设定的转速,通过电机M1控制海水泵在设定的转速下进行工作,在集成阀组的转换控制下,实现对可调节压载舱体内海水注入和排出。系统中可通过转速、转矩传感器、压力变送器1、压力变送器2及流量计的反馈检测海水泵在海水环境中各项性能参数。对比已有技术,本发明能够模拟在海水的环境下检测出海水泵的性能参数是否达到预设的要求,具有便捷的检测海水泵的性能是否满足使用要求的效果。(The invention discloses a performance testing device and a testing method of a seawater pump, and relates to the technical field of seawater hydraulic transmission testing, wherein a control detection display platform provided by the invention is electrified, an adjustable plunger pump is controlled by a servo motor SM2 to pressurize a pressure kettle, a static pressure environment in simulated seawater is provided for the seawater pump, then a set rotating speed is input on the control platform according to the requirement of the seawater pump, the seawater pump is controlled by a motor M1 to work at the set rotating speed, and the seawater in an adjustable ballast cabin body is injected and discharged under the conversion control of an integrated valve group. In the system, various performance parameters of the seawater pump in a seawater environment can be detected through the feedback of a rotating speed sensor, a torque sensor, a pressure transmitter 1, a pressure transmitter 2 and a flowmeter. Compared with the prior art, the method can simulate to detect whether the performance parameter of the seawater pump meets the preset requirement or not in the seawater environment, and has the effect of conveniently detecting whether the performance of the seawater pump meets the use requirement or not.)

1. A performance testing device of a seawater pump is characterized by comprising a console, a motor M1, a torque speed sensor, the seawater pump, a regulating valve, a flowmeter, an integrated valve group, a filter, a servo motor SM2, an adjustable flow plunger pump, a pressure kettle, a pressure relief valve, a first pressure transmitter, a second pressure transmitter and an adjustable ballast tank;

the control console is connected with a mechanical interface of the seawater pump through a motor M1 and a torque speed sensor; the control console is connected with the adjustable flow plunger pump through a servo motor SM 2; the console receives the collected data of the first pressure transmitter, the second pressure transmitter, the flowmeter and the torque and speed sensor at the same time;

the integrated valve group comprises four electromagnetic hydraulic valves, namely a No. 1 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve and a No. 4 electromagnetic hydraulic valve, and all the electromagnetic hydraulic valves are connected through pipelines; the electromagnetic hydraulic valve set comprises a No. 1 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 4 electromagnetic hydraulic valve, a first electromagnetic hydraulic valve group, a second electromagnetic hydraulic valve group and a third electromagnetic hydraulic valve group, wherein the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are connected in series to serve as the first electromagnetic hydraulic valve group; a No. 1 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve, a No. 2 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 2 electromagnetic hydraulic valve, a No. 3 interface is led out from a pipeline between the No. 2 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve, and a No. 4 interface is led out from a pipeline between the No. 4 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve;

a pipeline led out from the water outlet of the seawater pump is connected to the No. 1 interface, and a regulating valve and a flowmeter are arranged on the pipeline between the water outlet of the seawater pump and the No. 1 interface; a pipeline led out from a water inlet of the seawater pump is connected to the No. 3 connector;

the No. 2 interface is connected with the adjustable ballast tank through a pipeline, and a second pressure transmitter is arranged on the pipeline between the No. 2 interface and the adjustable ballast tank;

the pipeline led out from the No. 4 interface is connected to the pressure kettle through the filter, and a first pressure transmitter is arranged on the pipeline between the filter and the pressure kettle;

the flow-adjustable plunger pump is connected to the inlet of the pressure kettle through a pipeline;

and a pressure relief valve is arranged at an outlet of the pressure kettle.

2. The apparatus of claim 1, wherein after the console is powered on, the servo motor SM2 controls the adjustable flow plunger pump to pressurize the autoclave so that seawater in the autoclave has a static pressure environment at a set depth.

3. The device as claimed in claim 2, wherein the console controls the seawater pump to operate at a set rotation speed through the motor M1.

4. The apparatus of claim 3, wherein when water is required to fill the adjustable ballast tank, the electromagnetic hydraulic valve number 1 and the electromagnetic hydraulic valve number 4 are opened, and the electromagnetic hydraulic valve number 2 and the electromagnetic hydraulic valve number 3 are closed;

and when the adjustable ballast tank needs to be drained, opening the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve, and closing the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve.

5. A performance test method of a seawater pump is characterized in that the performance test of the seawater pump is carried out by adopting the device as claimed in any one of claims 1 to 4, and comprises the following specific steps:

step one, connecting according to the device structure of any one of claims 1 to 4;

opening the pressure kettle, injecting seawater, opening the pressure release valve, and discharging air in the pressure kettle;

thirdly, electrifying the console, inputting a set depth value of seawater to be simulated, and controlling the servo motor SM2 to pressurize the pressure kettle to a seawater static pressure corresponding to the set depth value;

inputting a set rotating speed for controlling the seawater pump on the console, and controlling the rotating speed of the seawater pump by controlling the rotating speed of the motor M1;

fifthly, water injection and drainage of the adjustable ballast tank body are realized by controlling the integrated valve group; when water needs to be filled, the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are opened, the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are closed, and the seawater pump is used for filling water into the ballast tank body under the static pressure environment; when drainage is needed, the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are opened, the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are closed, and the sea water pump realizes drainage of the ballast cabin body in the static pressure environment;

and step six, in the process of water injection or drainage of the seawater pump, measuring parameters of the seawater pump in the environment of seawater static pressure through the torque and rotation speed sensor, the flowmeter, the first pressure transmitter and the second pressure transmitter.

Technical Field

The invention relates to the technical field of seawater hydraulic transmission testing, in particular to a performance testing device and a testing method for a seawater pump.

Background

At present, the detection of oceans is increased in all countries in the world so as to better develop and utilize ocean resources to benefit human beings, and accordingly, various types of underwater detection equipment are developed. The sea water pump is a core component of a buoyancy self-adaptive system in the detection equipment, and mainly has the function of providing seawater injection and discharge power for the buoyancy self-adaptive system under the driving of a driving motor, so that the detection equipment can reach seawater at different depths to perform high-efficiency exploration, scientific investigation, development and other operations.

In order to ensure various performances of the seawater pump, necessary comprehensive performance detection needs to be carried out on the seawater pump. The method adopted in the prior art is that a pressure kettle is used for detecting whether the shell strength of a seawater pump meets the requirement, and then outlet pressure and flow performance parameters of the seawater pump are detected according to the principle shown in figure 1. During detection, the digital regulating valve is regulated to a preset pressure point, and then the motor is controlled to control the rotating speed of the seawater pump to meet the set requirement.

Therefore, how to simulate the seawater pressure environment is a problem to be solved urgently at present, so as to realize various performance tests of the seawater pump under the seawater pressure environment.

Disclosure of Invention

In view of this, the invention provides a performance testing device and a testing method for a seawater pump, which can simulate various performance parameters of the seawater pump under a seawater pressure environment P1 Mpa (a pressure value can be adjusted according to a use environment).

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a performance test device of sea water pump, includes control cabinet, motor M1, torque speed sensor, sea water pump, governing valve, flowmeter, integrated valves, filter, servo motor SM2, adjustable flow plunger type pump, reation kettle, relief valve, first pressure transmitter, second pressure transmitter and adjustable ballast tank.

The console is connected with a mechanical interface of the seawater pump through a motor M1 and a torque speed sensor; the control console is connected with the flow-adjustable plunger pump through a servo motor SM 2; the console receives the collected data of the first pressure transmitter, the second pressure transmitter, the flowmeter and the torque and speed sensor at the same time.

The integrated valve group comprises four electromagnetic hydraulic valves, namely a No. 1 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve and a No. 4 electromagnetic hydraulic valve, and all the electromagnetic hydraulic valves are connected through pipelines; the electromagnetic hydraulic valve set comprises a No. 1 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 4 electromagnetic hydraulic valve, a first electromagnetic hydraulic valve group, a second electromagnetic hydraulic valve group and a third electromagnetic hydraulic valve group, wherein the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are connected in series to serve as the first electromagnetic hydraulic valve group; no. 1 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve, No. 2 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 2 electromagnetic hydraulic valve, No. 3 interface is led out from a pipeline between the No. 2 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve, and No. 4 interface is led out from a pipeline between the No. 4 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve.

A pipeline led out from a water outlet of the seawater pump is connected to the No. 1 interface, and a regulating valve and a flowmeter are arranged on the pipeline between the water outlet of the seawater pump and the No. 1 interface; and a pipeline led out from a water inlet of the seawater pump is connected to the No. 3 connector.

The No. 2 interface is connected with the adjustable ballast tank through a pipeline, and a second pressure transmitter is arranged on the pipeline between the No. 2 interface and the adjustable ballast tank.

And a pipeline led out from the No. 4 interface is connected to the pressure kettle through the filter, wherein a first pressure transmitter is arranged on the pipeline between the filter and the pressure kettle.

The flow-adjustable plunger pump is connected to the inlet of the pressure kettle through a pipeline.

A pressure relief valve is arranged at the outlet of the pressure kettle.

Further, after the control console is powered on, the servo motor SM2 controls the adjustable flow plunger pump to pressurize the pressure kettle, so that the seawater in the pressure kettle has a static pressure environment with a set depth.

Further, the console controls the seawater pump to work at a set rotating speed through the motor M1.

And further, when the adjustable ballast tank needs to be filled with water, the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are opened, and the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are closed. And when the adjustable ballast tank needs to be drained, the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are opened, and the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are closed.

Another embodiment of the present invention provides a performance testing method for a seawater pump, which adopts the above apparatus to perform a performance test on the seawater pump, and comprises the following specific steps:

step one, connection is carried out according to the device structure.

And step two, opening the pressure kettle to inject seawater, opening the pressure release valve and discharging air in the pressure kettle.

Thirdly, electrifying the console, inputting a set depth value of the seawater to be simulated, and controlling a servo motor SM2 to pressurize the pressure kettle to a seawater static pressure corresponding to the set depth value;

and step four, inputting and controlling the set rotating speed of the seawater pump on the console, and controlling the rotating speed of the seawater pump by controlling the rotating speed of the motor M1.

Fifthly, water injection and drainage of the adjustable ballast tank body are realized by controlling the integrated valve group; when water needs to be filled, the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are opened, the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are closed, and the seawater pump is used for filling water into the ballast tank body under the static pressure environment; when water needs to be drained, the No. 2 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are opened, the No. 1 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve are closed, and the sea water pump drains the ballast cabin body under the static pressure environment.

And step six, in the process of water injection or drainage of the seawater pump, measuring parameters of the seawater pump in the environment of seawater static pressure through the torque and rotation speed sensor, the flowmeter, the first pressure transmitter and the second pressure transmitter.

Has the advantages that:

the control detection display platform provided by the invention is electrified, the servo motor SM2 controls the adjustable plunger pump to pressurize the pressure kettle, a static pressure environment simulating seawater is provided for the seawater pump, then a set rotating speed is input on the control platform according to the requirement of the seawater pump, the seawater pump is controlled by the motor M1 to work at the set rotating speed, and the seawater injection and discharge in the adjustable ballast cabin body are realized under the conversion control of the integrated valve group. In the system, various performance parameters of the seawater pump in a seawater environment can be detected through the feedback of a rotating speed sensor, a torque sensor, a pressure transmitter 1, a pressure transmitter 2 and a flowmeter. Compared with the prior art, the method can simulate to detect whether the performance parameter of the seawater pump meets the preset requirement or not in the seawater environment, and has the effect of conveniently detecting whether the performance of the seawater pump meets the use requirement or not.

Drawings

FIG. 1 is a schematic diagram of a prior art sea water pump detection;

fig. 2 is a block diagram of a performance testing apparatus for a seawater pump according to an embodiment of the present invention.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

The invention provides a performance testing device of a seawater pump, which is structurally composed of a console, a motor M1, a torque speed sensor, a seawater pump, a regulating valve, a flowmeter, an integrated valve group, a filter, a servo motor SM2, an adjustable flow plunger type pump, a pressure kettle, a pressure relief valve, a first pressure transmitter, a second pressure transmitter and an adjustable ballast tank, wherein the adjustable flow plunger type pump is connected with the pressure kettle and the pressure relief valve.

The console is connected with a mechanical interface of the seawater pump through a motor M1 and a torque speed sensor; the control console is connected with the flow-adjustable plunger pump through a servo motor SM 2; the console receives the collected data of the first pressure transmitter, the second pressure transmitter, the flowmeter and the torque and speed sensor at the same time.

The integrated valve group comprises four electromagnetic hydraulic valves, namely a No. 1 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve and a No. 4 electromagnetic hydraulic valve, and all the electromagnetic hydraulic valves are connected through pipelines; the electromagnetic hydraulic valve set comprises a No. 1 electromagnetic hydraulic valve, a No. 3 electromagnetic hydraulic valve, a No. 2 electromagnetic hydraulic valve, a No. 4 electromagnetic hydraulic valve, a first electromagnetic hydraulic valve group, a second electromagnetic hydraulic valve group and a third electromagnetic hydraulic valve group, wherein the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve are connected in series to serve as the first electromagnetic hydraulic valve group; no. 1 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve, No. 2 interface is led out from a pipeline between the No. 1 electromagnetic hydraulic valve and the No. 2 electromagnetic hydraulic valve, No. 3 interface is led out from a pipeline between the No. 2 electromagnetic hydraulic valve and the No. 4 electromagnetic hydraulic valve, and No. 4 interface is led out from a pipeline between the No. 4 electromagnetic hydraulic valve and the No. 3 electromagnetic hydraulic valve.

A pipeline led out from a water outlet of the seawater pump is connected to the No. 1 interface, and a regulating valve and a flowmeter are arranged on the pipeline between the water outlet of the seawater pump and the No. 1 interface; and a pipeline led out from a water inlet of the seawater pump is connected to the No. 3 connector.

The No. 2 interface is connected with the adjustable ballast tank through a pipeline, and a second pressure transmitter is arranged on the pipeline between the No. 2 interface and the adjustable ballast tank.

And a pipeline led out from the No. 4 interface is connected to the pressure kettle through the filter, wherein a first pressure transmitter is arranged on the pipeline between the filter and the pressure kettle.

The flow-adjustable plunger pump is connected to the inlet of the pressure kettle through a pipeline.

A pressure relief valve is arranged at the outlet of the pressure kettle.

Another embodiment of the present invention further provides a method for testing a sea water pump, which comprises the following steps:

step one, connecting a water inlet and a water outlet of a seawater pump with corresponding pipelines in a system; the motor M1 is sequentially connected with a rotating speed sensor, a torque sensor and a mechanical interface of the seawater pump;

opening the pressure kettle, injecting seawater, opening the pressure release valve, and discharging air in the pressure kettle;

and step three, electrifying the console, inputting the depth P1 Mpa of the seawater to be simulated, and controlling a motor SM2 to pressurize the pressure kettle to P1 Mpa.

And step four, inputting and controlling the rotating speed of the seawater pump on the console, and controlling the rotating speed of the seawater pump by controlling the rotating speed of the motor M1.

And step five, realizing water injection and drainage of the adjustable ballast tank body by controlling the integrated valve group. When water needs to be filled, the valve 1 and the valve 4 are opened, the valve 2 and the valve 3 are closed, and the seawater pump fills water into the ballast tank body in the static pressure environment; when the water needs to be drained, the valves 2 and 3 are opened, the valves 1 and 4 are closed, and the sea water pump is used for draining the ballast tank under the static pressure environment.

And step six, in the process of water injection or drainage of the seawater pump, measuring parameters of the seawater pump in the environment of seawater static pressure through the torque and rotation speed sensor, the flowmeter, the pressure transmitter 1 and the pressure transmitter 2.

Therefore, the detection of various performance parameters of the sea water pump is completed/realized.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.