CN211116938U - Wave energy power generation facility hydraulic system test platform - Google Patents
Wave energy power generation facility hydraulic system test platform Download PDFInfo
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- CN211116938U CN211116938U CN201922050226.3U CN201922050226U CN211116938U CN 211116938 U CN211116938 U CN 211116938U CN 201922050226 U CN201922050226 U CN 201922050226U CN 211116938 U CN211116938 U CN 211116938U
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Abstract
The utility model provides a wave energy power generation equipment hydraulic system test platform, including test platform main part, drive hydraulic system, rotational speed torque sensor, magnetic powder brake and control system, drive hydraulic system is connected to test platform main part one end, and the other end is connected and is surveyed hydraulic system, it connects rotational speed torque sensor and magnetic powder brake to be surveyed hydraulic system, control system gathers each system and sensor data to control each system. The utility model discloses the creation adopts servo valve control drive pneumatic cylinder reciprocating motion, provides the reciprocating motion under the wave action for wave energy power generation facility hydraulic system. The measurement and control system controls the servo valve to act and collects working state parameters of the hydraulic system at the same time. The beneficial effects of the utility model are that can the integrated test wave energy power generation facility hydraulic system in the laboratory, realize wave energy hydraulic transmission system design integrated test analysis and aassessment, shorten the development cycle, reduce the input cost.
Description
Technical Field
The invention belongs to the technical field of ocean power generation, and particularly relates to a test platform for a hydraulic system of a wave power generation device.
Background
With the aggravation of the global energy crisis, the development of ocean renewable energy is more and more emphasized, wherein wave energy is an important ocean energy resource and has great development and utilization values. The utilization of wave energy is a complex process including energy capture, transmission and interconversion of various forms, and has more links and factors influencing the conversion efficiency of the system. After the model machine is manufactured, the actual system conversion efficiency is measured through an offshore test, and the cost for verifying the design result is huge. The working performance of the hydraulic system of the device is tested and analyzed in a laboratory, and the system design is improved and optimized according to the working performance, so that the working performance of the system can reach an ideal state, and the cost is saved. Therefore, in order to standardize and guide the development work of wave energy utilization technology, relevant test methods and test technology research work are necessary.
A certain gap exists between the ocean energy power generation technology of China and the advanced level of the world, and in recent years, under the support of national policies, a plurality of domestic units are dedicated to the research on the ocean energy power generation technology and make remarkable progress. The wave energy power generation technology in China is developed towards offshore and modularization directions, and the technical types are also expanded from a shore-based mode to offshore buoyancy swinging mode, nodding duck mode, raft mode, point absorption mode, jellyfish mode, floater mode and other modes. In the wave energy power generation device, a hydraulic system is a factor which has a large influence on the efficiency conversion of the device except for an energy capture device, the research on the hydraulic system in the aspect is relatively less in China, and the research on establishing a special hydraulic test platform is almost not available.
Disclosure of Invention
In view of the above, the invention aims to provide a test platform for a hydraulic system of a wave energy power generation device, so as to meet the test requirement of the wave energy hydraulic transmission system, realize the shaping comprehensive test analysis and evaluation of the wave energy hydraulic transmission system, comprehensively analyze the overall operation characteristics of the wave energy hydraulic transmission system, and improve the conversion efficiency and the working reliability of the system.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a test platform for a hydraulic system of a wave energy power generation device comprises a test platform main body, a driving hydraulic system, a rotating speed torque sensor, a magnetic powder brake and a control system, wherein the test platform main body is connected with one end connected with the driving hydraulic system, the other end connected with a tested hydraulic system, the tested hydraulic system is connected with the rotating speed torque sensor and the magnetic powder brake, and the control system collects data of each system and sensor and controls each system.
Further, the test platform main part includes drive hydraulic cylinder, the platform base, linear guide, the slider, erection support before the pneumatic cylinder, erection support behind the pneumatic cylinder, displacement sensor, drive hydraulic cylinder fixes in platform base left side, the right-hand member is connected with the slider of dress on linear guide, erection support passes through the bolt and installs on the slider before the pneumatic cylinder, displacement sensor installs and is connected with the slider in the linear guide outside, erection support installs on platform base right side behind the pneumatic cylinder, it installs between erection support behind erection support and the pneumatic cylinder before the pneumatic cylinder to be surveyed the pneumatic cylinder.
Furthermore, one side of the hydraulic cylinder front mounting support is provided with a mounting hole for fixing on the sliding block, and the other side of the hydraulic cylinder front mounting support is provided with a mounting groove for mounting the head of the tested hydraulic cylinder extension rod.
Furthermore, two ends of the sliding block are fixed on the linear guide rail, a threaded hole is formed in the end of the sliding block and connected with the displacement sensor, and three mounting holes are formed in the middle of the sliding block and fixed with the extension rod of the driving hydraulic cylinder and the front mounting support of the hydraulic cylinder respectively.
Furthermore, the mounting plate at the bottom of the hydraulic cylinder rear mounting support is provided with a mounting hole for mounting on the platform base, and the upper part of the hydraulic cylinder rear mounting support is provided with a mounting groove for mounting the tested hydraulic cylinder.
Furthermore, the output end of the tested hydraulic system is a hydraulic motor, and the output shaft of the hydraulic motor is connected with a rotating speed and torque sensor and a magnetic powder brake through a coupler.
Furthermore, the driving hydraulic system comprises an oil tank, a hydraulic pump, a proportional overflow valve, a speed regulating valve, a flowmeter, a servo valve and a pressure sensor, wherein the hydraulic pump is connected with the oil tank, absorbs oil from the oil tank, and conveys high-pressure oil to the driving hydraulic cylinder through the speed regulating valve, the flowmeter and the servo valve, the output end of the hydraulic pump is connected with the proportional overflow valve in parallel to regulate the pressure of the system, and the flowmeter and the pressure sensor are arranged in a connecting pipeline of the servo valve and the driving hydraulic cylinder.
Furthermore, the control system collects and stores signals of the displacement sensor, the flowmeter, the pressure sensor and the rotating speed torque sensor, controls the start and stop of the hydraulic pump, and controls the opening of the servo valve and the pressure of the proportional overflow valve.
Further, the sliding block is driven by a driving hydraulic cylinder to generate reciprocating motion.
Furthermore, the hydraulic cylinder rear mounting support is mounted on the test platform main body through bolts and can be replaced according to the mounting size and the length of the hydraulic cylinder to be tested.
Compared with the prior art, the wave energy power generation device hydraulic system test platform has the following advantages:
the performance test platform for the hydraulic system of the wave energy power generation device, which is created by the invention, can test the hydraulic system of the wave energy power generation device in a laboratory, realize comprehensive test analysis and evaluation of the wave energy hydraulic transmission system, shorten the development period and reduce the investment cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic diagram of the inventive concept;
FIG. 2 is a schematic view of the slider according to the present invention;
FIG. 3 is a schematic view of the front mounting bracket of the hydraulic cylinder of the present invention;
fig. 4 is a schematic view of the rear mounting bracket of the hydraulic cylinder of the invention.
Description of reference numerals:
the method comprises the following steps of 1-testing a platform main body, 2-driving a hydraulic system, 3-tested the hydraulic system, 4-a rotating speed torque sensor, 5-a magnetic powder brake, 6-a control system, 7-a driving hydraulic cylinder, 8-a platform base, 9-a linear guide rail, 10-a slide block, 11-a hydraulic cylinder front mounting support, 12-a hydraulic cylinder rear mounting support, 13-a displacement sensor, 14-an oil tank, 15-a hydraulic pump, 16-a proportional overflow valve, 17-a speed regulating valve, 18-a flow meter, 19-a servo valve, 20-a pressure sensor and 21-the tested hydraulic system.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
As shown in FIGS. 1-4, the invention relates to a performance test platform for a hydraulic system of a wave power generation device. The test platform simulates the movement of the hydraulic cylinder of the tested hydraulic system, so that the tested hydraulic system can work normally, and the control system records and stores the working parameters of the tested hydraulic system for analysis and evaluation. The performance test platform for the hydraulic system of the wave power generation device comprises a test platform main body 1, a driving hydraulic system 2, a rotating speed torque sensor 4, a magnetic powder brake 5 and a control system 6. The test platform main body 1 comprises a driving hydraulic cylinder 7, a platform base 8, a linear guide rail 9, a sliding block 10, a hydraulic cylinder front mounting support 11, a hydraulic cylinder rear mounting support 12 and a displacement sensor 13. The driving hydraulic system comprises an oil tank 14, a hydraulic pump 15, a proportional overflow valve 16, a speed regulating valve 17, a flow meter 18, a servo valve 19 and a pressure sensor 20.
The driving hydraulic cylinder 7 is fixed on the left side of the platform base 8, the right end of the driving hydraulic cylinder is connected with a sliding block 10 arranged on a linear guide rail 9, a front mounting support 11 of the hydraulic cylinder is installed on the sliding block 10 through a bolt, a displacement sensor 13 is installed on the outer side of the linear guide rail 9 and is connected with the sliding block 10, a rear mounting support 12 of the hydraulic cylinder is installed on the right side of the platform base 8, and a tested hydraulic cylinder 21 is installed between the front mounting support 11 of the hydraulic cylinder and the rear mounting. The hydraulic cylinder front mounting support 11 and the hydraulic cylinder rear mounting support 12 can be replaced according to the length and the mounting size of the hydraulic cylinder 21 to be measured. The driving hydraulic cylinder 7 drives the piston rod of the tested hydraulic cylinder 21 to reciprocate through the slide block 10 and the hydraulic cylinder front mounting support 11, the hydraulic cylinder motion under the action of simulated waves is realized, and the displacement sensor 13 transmits the motion displacement of the piston rod of the hydraulic cylinder to the control system 6.
The output end of the tested hydraulic system 3 is a hydraulic motor, the output shaft of the hydraulic motor is connected with a rotating speed torque sensor 4 and a magnetic powder brake 5 through a coupler, the magnetic powder brake 5 can adjust load torque through adjusting current, and the rotating speed of the output torque of the hydraulic motor can be transmitted to a control system 6 through the rotating speed torque sensor 4.
The hydraulic pump 15 sucks oil from the oil tank 14, high-pressure oil is conveyed to the driving hydraulic cylinder 7 through the speed regulating valve 17, the flow meter 18 and the servo valve 19, after a movement stroke and a movement period are set on a control system interface, the control system 6 can change the movement direction and the movement speed of the driving hydraulic cylinder 7 by adjusting the opening degree of the servo valve 19, and the output end of the hydraulic pump 15 is connected with the proportional overflow valve 16 in parallel to adjust the system pressure according to the load. And a pressure sensor 20 is arranged in a connecting pipeline of the servo valve 19 and the driving hydraulic cylinder 7 and is used for acquiring the pressure in the hydraulic cylinder in the test process.
The control system 6 comprises a control part and a signal acquisition part, the control system 6 can control the start and stop of the hydraulic pump 15, control the opening degree of the servo valve 19 and the pressure of the proportional overflow valve 16 according to set conditions, simulate the reciprocating motion of the tested hydraulic cylinder 21 under the action of waves, and acquire and store signals of the displacement sensor 13, the flowmeter 18 and the pressure sensor 20, namely the rotating speed and torque sensor 4 for analysis and evaluation of the tested hydraulic system.
It should be noted that the control system used in the present invention includes, but is not limited to, an upper computer, as long as signal acquisition and control can be achieved, and various sensors and control valves used in the present invention are all existing products, and the connection relationship with the control system is also a connection relationship commonly used in the field.
The invention adopts the servo valve to control and drive the hydraulic cylinder to reciprocate, provides reciprocating motion under the action of waves for the hydraulic system of the wave energy power generation device, controls the servo valve to act by the measurement and control system, and simultaneously acquires working state parameters of the hydraulic system, thereby realizing the shaping comprehensive test analysis and evaluation of the wave energy hydraulic transmission system, shortening the development period and reducing the investment cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a wave energy power generation facility hydraulic system test platform which characterized in that: including test platform main part, drive hydraulic system, rotational speed torque sensor, magnetic particle brake and control system, drive hydraulic system is connected to test platform main part one end, and the measured hydraulic system is connected to the other end, measured hydraulic system connects rotational speed torque sensor and magnetic particle brake, control system gathers each system and sensor data to control each system.
2. The wave energy power generation device hydraulic system test platform of claim 1, characterized in that: the test platform main part includes drive hydraulic cylinder, the platform base, linear guide, the slider, erection support before the pneumatic cylinder, erection support behind the pneumatic cylinder, displacement sensor, drive hydraulic cylinder fixes in platform base left side, the right-hand member is connected with the slider of dress on linear guide, erection support passes through the bolt and installs on the slider before the pneumatic cylinder, displacement sensor installs and is connected with the slider in the linear guide outside, erection support installs on platform base right side behind the pneumatic cylinder, it installs between erection support and the pneumatic cylinder after erection support before the pneumatic cylinder to be surveyed the pneumatic cylinder.
3. The wave energy power generation device hydraulic system test platform of claim 2, characterized in that: and one side of the hydraulic cylinder front mounting support is provided with a mounting hole for fixing on the sliding block, and the other side of the hydraulic cylinder front mounting support is provided with a mounting groove for mounting the head of the extension rod of the tested hydraulic cylinder.
4. The wave energy power generation device hydraulic system test platform of claim 2, characterized in that: two ends of the sliding block are fixed on the linear guide rail, the end part of the sliding block is provided with a threaded hole to be connected with the displacement sensor, and the middle of the sliding block is provided with three mounting holes which are respectively fixed with the extension rod of the driving hydraulic cylinder and the front mounting support of the hydraulic cylinder.
5. The wave energy power generation device hydraulic system test platform of claim 2, characterized in that: the mounting plate at the bottom of the mounting support behind the hydraulic cylinder is provided with a mounting hole for mounting on the platform base, and the upper part of the mounting plate is provided with a mounting groove for mounting the tested hydraulic cylinder.
6. The wave energy power generation device hydraulic system test platform of claim 1, characterized in that: the output end of the tested hydraulic system is a hydraulic motor, and the output shaft of the hydraulic motor is connected with a rotating speed torque sensor and a magnetic powder brake through a coupler.
7. The wave energy power generation device hydraulic system test platform of claim 2, characterized in that: the driving hydraulic system comprises an oil tank, a hydraulic pump, a proportional overflow valve, a speed regulating valve, a flowmeter, a servo valve and a pressure sensor, wherein the hydraulic pump is connected with the oil tank, absorbs oil from the oil tank and conveys high-pressure oil to a driving hydraulic cylinder through the speed regulating valve, the flowmeter and the servo valve, the output end of the hydraulic pump is connected with the proportional overflow valve in parallel to regulate the pressure of the system, and the flowmeter and the pressure sensor are installed in a pipeline connecting the servo valve and the driving hydraulic cylinder.
8. The wave energy power generation device hydraulic system test platform of claim 1, characterized in that: the control system collects and stores signals of the displacement sensor, the flowmeter, the pressure sensor and the rotating speed torque sensor, controls the start and stop of the hydraulic pump, and controls the opening of the servo valve and the pressure of the proportional overflow valve.
9. The wave energy power generation device hydraulic system test platform of claim 4, characterized in that: the slide block is driven by a driving hydraulic cylinder to generate reciprocating motion.
10. The wave energy power generation device hydraulic system test platform of claim 5, characterized in that: the hydraulic cylinder rear mounting support is mounted on the test platform main body through bolts and can be replaced according to the mounting size and the length of the hydraulic cylinder to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050226.3U CN211116938U (en) | 2019-11-25 | 2019-11-25 | Wave energy power generation facility hydraulic system test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050226.3U CN211116938U (en) | 2019-11-25 | 2019-11-25 | Wave energy power generation facility hydraulic system test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211116938U true CN211116938U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922050226.3U Active CN211116938U (en) | 2019-11-25 | 2019-11-25 | Wave energy power generation facility hydraulic system test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211116938U (en) |
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2019
- 2019-11-25 CN CN201922050226.3U patent/CN211116938U/en active Active
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