CN111855450A - Device for detecting strength of impeller of tidal current energy unit and using method thereof - Google Patents
Device for detecting strength of impeller of tidal current energy unit and using method thereof Download PDFInfo
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- CN111855450A CN111855450A CN202010863839.3A CN202010863839A CN111855450A CN 111855450 A CN111855450 A CN 111855450A CN 202010863839 A CN202010863839 A CN 202010863839A CN 111855450 A CN111855450 A CN 111855450A
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
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- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0236—Other environments
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
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Abstract
The invention discloses an impeller strength detection device for tidal current energy unit and a using method thereof, belonging to the field of impeller detection equipment, wherein bubbles are eliminated through a bubble puncturing piece, the bubble puncturing piece is rotated by using the impact action of water to improve the puncturing effect, the bubbles are filled into the water through a bubble generator to detect the influence of the bubbles on the impeller strength, the air is controlled to flow out of air outlet cavities with different inner diameters through an electromagnetic valve to control the size of the bubbles, so that the influence of the size of the bubbles on the impeller strength is detected, a water flow speed measuring instrument is used for detecting the influence of the water flow speed on the impeller strength before the water enters the detection device, the water in the device circularly flows in a sampling water sac through a flow direction control film to conveniently detect the influence of the salt content in the water on the impeller strength The influence of the water flow speed and the water salinity on the strength of the impeller greatly improves the detection efficiency.
Description
Technical Field
The invention relates to the field of impeller detection equipment, in particular to an impeller strength detection device for a tidal current energy unit and a using method thereof.
Background
The gravity action of moon, sun, etc. causes the sea water on the earth surface to periodically rise and fall, and the rise and fall phenomenon is accompanied by two movements, one is the sea water vertical lifting movement caused by rising tide and falling tide, and the other is the sea water horizontal movement caused by rising tide and falling tide, the former is called tide, and the latter is called tide. Tidal current energy is kinetic energy generated when sea water generates periodic reciprocating horizontal motion due to tidal force of the moon and the sun, and is mainly concentrated on a water channel or a gulf mouth between the shore and the island. The trend can be generally divided into reciprocating and rotary types.
The main utilization mode of tidal current energy is power generation, the basic principle of which is similar to wind power generation, namely, the kinetic energy of seawater is converted into mechanical energy, and then the mechanical energy is converted into electric energy. The tidal current energy power generation device is different from a traditional tidal energy generator set, is an open ocean energy capturing device, has a relatively slow impeller rotating speed, generally speaking, the flowing energy with the maximum flow velocity of more than 2m/s has a utilization value, and can be divided into a horizontal shaft type structure and a vertical shaft type structure according to the spatial relationship between the axis of a turbine machine and the water flow direction.
The trend can be exactly the impeller with the most important part of generating set, and the intensity of impeller is the quality key that determines generating set again, and the device that detects impeller intensity at present can only detect a certain parameter mostly, wants to detect a plurality of parameters, can only change detection device step by step, so detect the progress and will slow down, and staff's work load also can greatly increased moreover, seriously reduces detection efficiency.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an impeller strength detection device for a tidal current energy unit and a using method thereof, which can realize the detection of the size of bubbles in water, the salt content in water and the influence of water flow speed on the impeller strength, wherein before water enters the detection device, the bubbles are eliminated through a bubble puncturing part, the bubble puncturing part is rotated by using the impact action of water to improve the puncturing effect, the bubbles are filled into the water through a bubble generator to detect the influence of the bubbles on the impeller strength, air is controlled to flow out of air outlet cavities with different inner diameters through an electromagnetic valve to control the size of the bubbles, so that the influence of the size of the bubbles on the impeller strength is detected, before the water enters the detection device, a water flow speed measuring instrument is also used for detecting the influence of the water flow speed on the impeller strength, and the water in the device circularly flows in a sampling water sac through a flow direction control membrane, compared with the prior art, the device can simultaneously detect the influence of the size of bubbles, the water flow speed and the water salinity on the strength of the impeller, and greatly improves the detection efficiency.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A strength detection device for an impeller of a tidal current energy unit comprises a detection device shell, wherein an impeller installation shaft is rotatably connected in the detection device shell, the upper end side wall of the detection device shell is fixedly connected with a front end filtering shell, the front end filtering shell is communicated with the interior of the detection device shell, the inner wall of the front end filtering shell, which is close to a water inlet of the front end filtering shell, is fixedly connected with a filter screen, the inner wall of the front end filtering shell, which is close to a water outlet of the front end filtering shell, is fixedly connected with a breather pipe, the breather pipe penetrates through the side wall of the front end filtering shell, the upper end of the breather pipe is rotatably connected with a plurality of bubble puncturing pieces, the bubble puncturing pieces are communicated with the breather pipe, the inner wall of the front end filtering shell, which is close to the water outlet of the front end filtering shell, the utility model discloses a detection device, including detection device casing, lateral wall fixedly connected with a plurality of bubble generator of detection device casing, and a bubble generator is connected with a set of bubble controller, the lateral wall that the front end was kept away from to the detection device casing filters the casing has seted up the delivery port, the lateral wall fixedly connected with sample water pocket that the detection device casing is close to the delivery port, and the intercommunication has the passageway between the inside of sample water pocket and detection device casing, two sets of flow direction control membranes of inner wall fixedly connected with of passageway, and two flow direction control membranes of every group embrace the setting, the one end intercommunication that the passageway was kept away from to the sample water pocket.
Further, the bubble piercing part comprises a vertical pipe, the side wall of vertical pipe is communicated with a plurality of horizontal pipes, the side wall of each horizontal pipe is communicated with a plurality of conical pointed pipes, a plurality of holes are formed in the side wall of each conical pointed pipe, the inner wall of each hole is fixedly connected with a one-way circulation film, the bubbles in water are pierced by the conical pointed pipes, the gas in the bubbles enters the conical pointed pipes by the aid of the air-permeable and water-impermeable characteristics of the one-way circulation films, and the bubbles are discharged by the horizontal pipes, the vertical pipes and the vent pipes, so that the purpose of eliminating the bubbles is achieved.
Furthermore, the upper end of the bubble puncturing piece is fixedly connected with a water flow driving impeller, the water flow driving impeller is perpendicular to the water inlet of the front-end filtering shell, the bubble puncturing piece is rotated by the impact effect of water, the puncturing range is expanded, and the puncturing effect is improved.
Further, the bubble controller comprises a hemispherical mounting seat, a gas storage cavity is formed in the mounting seat and is communicated with the bubble generator, a plurality of gas outlet cavities are formed in the mounting seat and are communicated with the gas storage cavity, a solenoid valve is mounted on the inner wall, close to the gas storage cavity, of each gas outlet cavity, a connecting telescopic pipe is fixedly connected to the inner wall, far away from the gas storage cavity, of each gas outlet cavity, a sealing sheet is fixedly connected to the side wall, at the upper end, of the connecting telescopic pipe, a second magnet block is inlaid in the side wall, at the upper end, of each gas outlet cavity, the upper end of the sealing sheet is mutually adsorbed with the second magnet block, the bubble generator fills air into the gas storage cavity, the solenoid valve is opened by controlling the solenoid valve, the sealing sheet is inclined by utilizing gas pressure, so that released gas is filled into bubbles into water, and different solenoid valves are opened to enable gas to be discharged from the gas outlet, thereby realizing the control of the size of the bubbles.
Further, the gasket includes the rotor, the upper end of rotor is embedded to have first magnet piece, and the magnetism of first magnet piece is opposite with the magnetism of second magnet piece, the lower extreme of rotor is embedded to have the elasticity stick, and when the solenoid valve was not opened, first magnet piece and second magnet piece adsorb together, and the chamber of giving vent to anger was closed this moment, and when the solenoid valve was opened, under atmospheric pressure effect, gas was flushed the gasket to form the bubble in aqueous.
Furthermore, the elastic rod and the connection telescopic pipe are made of soft elastic materials, the elastic force of the elastic rod enables the rotor to reset, so that the air outlet cavity is closed, and the elastic assisting sealing piece connected with the telescopic pipe restores to the original position after the electromagnetic valve is closed.
Furthermore, the passageway includes exhalant canal and inhalant canal, exhalant canal and inhalant canal are around the central line symmetry setting of sample water pocket, and exhalant canal lets water go out, and inhalant canal lets water come in to realize the circulation flow of water in the sample water pocket, conveniently gather the water sample.
Further, it is a plurality of go out the internal diameter of gas chamber from top to bottom crescent, the not equidimension bubble of department can be made to the gas chamber of going out of different internal diameters to the realization detects the influence of bubble size to impeller intensity.
A use method for a tidal current energy unit impeller strength detection device comprises the following steps:
s1, installing the impeller to be detected on the impeller installation shaft, injecting water from the water inlet of the front end filtering shell, and starting the water flow speed measuring instrument and the bubble generator;
s2, filtering impurities in water by a filter screen, driving an impeller to rotate by water flow impact water flow, and puncturing bubbles in the water in the rotating process of the bubble puncturing piece to achieve the purpose of eliminating the bubbles;
s3, a water flow speed measuring instrument measures the flow speed of water entering a detection device shell to detect the influence of the water flow speed on the strength of an impeller, the water enters the detection device shell to drive the impeller to rotate, an air bubble generator introduces air into an air bubble controller, and the air is controlled to come out of an air outlet cavity with any size through an electromagnetic valve, so that the size of the air bubble is controlled to detect the influence of the size of the air bubble on the strength of the impeller;
and S4, circulating the water in the shell of the detection device in the sampling water sac, and collecting the water by opening the sealing valve to detect the influence of the salt content of the water on the strength of the impeller.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize the detection of the size of bubbles in water, the influence of the salt content in water and the water flow speed on the strength of the impeller, before water enters the detection device, the bubbles are eliminated through the bubble puncturing part, the bubble puncturing part is rotated by using the impact action of the water to improve the puncturing effect, the bubbles are filled into the water through the bubble generator, so that the influence of the bubbles on the strength of the impeller is detected, the air is controlled to flow out of the air outlet cavities with different inner diameters through the electromagnetic valve to control the size of the bubbles, so that the influence of the size of the bubbles on the strength of the impeller is detected, before the water enters the detection device, the influence of the water flow speed on the strength of the impeller is detected by using the water flow speed measuring instrument, the water in the device circularly flows in the sampling water bag through the flow direction control film, the water sample can be extracted by opening the sealing valve, so as to detect the influence of the, the device can simultaneously detect the influence of the size of bubbles, the water flow speed and the water salinity on the strength of the impeller, and greatly improves the detection efficiency.
(2) The bubble piercing part comprises a vertical pipe, the side wall of the vertical pipe is communicated with a plurality of transverse pipes, the side wall of each transverse pipe is communicated with a plurality of conical pointed pipes, a plurality of holes are formed in the side wall of each conical pointed pipe, the inner wall of each hole is fixedly connected with a one-way circulation membrane, the bubble piercing part utilizes the conical pointed pipes to pierce the bubbles in water, the gas in the bubbles enters the conical pointed pipes by utilizing the air-permeable and water-impermeable characteristics of the one-way circulation membranes, and the gas is discharged through the transverse pipes, the vertical pipe and the vent pipes, so that the purpose of eliminating the bubbles is achieved.
(3) The upper end of the bubble puncturing piece is also fixedly connected with a water flow driving impeller, the water flow driving impeller is perpendicular to the water inlet of the front-end filtering shell, the bubble puncturing piece is rotated by the impact action of water, the puncturing range is expanded, and the puncturing effect is improved.
(4) The bubble controller comprises a hemispherical mounting seat, a gas storage cavity is arranged inside the mounting seat, the air storage cavity is communicated with the bubble generator, a plurality of air outlet cavities are arranged in the mounting seat and are communicated with the air storage cavity, an electromagnetic valve is arranged on the inner wall of each air outlet cavity close to the air storage cavity, a connecting telescopic pipe is fixedly connected on the inner wall of each air outlet cavity far away from the air storage cavity, the side wall of the upper end of the connecting telescopic pipe is fixedly connected with a sealing sheet, the side wall of the upper end of each air outlet cavity is embedded with a second magnet block, the upper end of the sealing sheet and the second magnet block are mutually adsorbed, the air bubble generator fills air into the air storage cavity, the electromagnetic valve is opened through controlling the electromagnetic valve, the sealing sheet is inclined by utilizing gas pressure, so that the released gas is filled into bubbles in water, and the gas can be discharged from the gas outlet cavities with different inner diameters by opening different electromagnetic valves, so that the size of the bubbles can be controlled.
(5) The gasket includes the rotor, and the upper end of rotor is embedded to have first magnet piece, and the magnetism of first magnet piece is opposite with the magnetism of second magnet piece, and the lower extreme of rotor is embedded to have an elastic rod, and when the solenoid valve was not opened, first magnet piece and second magnet piece adsorb together, and the chamber of giving vent to anger was closed this moment, and when the solenoid valve was opened, under atmospheric pressure effect, gas was broken the gasket to at aquatic blister.
(6) The elastic rod and the connection telescopic pipe are made of soft elastic materials, the elastic force of the elastic rod enables the rotor to reset, so that the air outlet cavity is closed, and the elastic assisting sealing piece connected with the telescopic pipe restores to the original position after the electromagnetic valve is closed.
(7) The channel comprises a water outlet channel and a water inlet channel, the water outlet channel and the water inlet channel are symmetrically arranged about the center line of the sampling water bag, water is discharged from the water outlet channel, and water enters from the water inlet channel, so that the water can circularly flow in the sampling water bag, and a water sample can be conveniently collected.
(8) The internal diameter of a plurality of air outlet cavities is gradually increased from top to bottom, and air outlet cavities with different internal diameters can be used for manufacturing bubbles with different sizes, so that the influence of the size of the detected bubbles on the strength of the impeller is realized.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a tapered tube according to the present invention;
FIG. 4 is a schematic view of the closure of the seal of the present invention;
FIG. 5 is a schematic view of the seal of the present invention in an open position;
FIG. 6 is a schematic cross-sectional view of a sealing plate according to the present invention;
FIG. 7 is a schematic view of a flow direction controlling membrane of the present invention in a closed state;
FIG. 8 is a schematic view showing an open state of a flow direction controlling membrane according to the present invention.
The reference numbers in the figures illustrate:
1 detection device shell, 2 impeller installation axle, 3 front end filter shell, 4 filter screens, 5 breather pipes, 6 bubble piercing parts, 601 standpipe, 602 horizontal pipe, 603 taper pipe, 604 one-way circulation membrane, 7 rivers velocimetry instrument, 8 bubble controller, 801 gas storage chamber, 802 play air cavity, 803 solenoid valve, 804 sealing plate, 8041 rotor, 8042 first magnet piece, 8043 elastic rod, 805 second magnet piece, 806 connection extension tube, 9 bubble generator, 10 sample water bag, 11 passageways, 1101 water outlet passageway, 1102 water inlet passageway, 12 flow direction control membrane, 13 sealing valve, 14 delivery ports, 15 rivers drive impeller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-8, an impeller strength detecting device for tidal current energy unit comprises a detecting device housing 1, referring to fig. 1-3, an impeller mounting shaft 2 is rotatably connected in the detecting device housing 1, a front end filter housing 3 is fixedly connected to the upper end side wall of the detecting device housing 1, the front end filter housing 3 is communicated with the inside of the detecting device housing 1, a filter screen 4 is fixedly connected to the inner wall of the front end filter housing 3 close to the water inlet thereof, a vent pipe 5 is fixedly connected to the inner wall of the front end filter housing 3 close to the water outlet thereof, the vent pipe 5 penetrates through the side wall of the front end filter housing 3, a plurality of bubble piercing members 6 are rotatably connected to the upper end of the vent pipe 5, the bubble piercing members 6 are communicated with the vent pipe 5, referring to fig. 2, the bubble piercing members 6 comprise vertical pipes 601, the side walls of the vertical pipes 601 are communicated with a plurality of transverse pipes 602, and the side walls of the, referring to fig. 3, a plurality of holes are formed on the side wall of the pointed conical pipe 603, and a one-way flow membrane 604 (the specific structure and operation principle thereof are well known to those skilled in the art, and will not be described in detail herein) is fixedly connected to the inner wall of each hole, the pointed conical pipe 603 is used to puncture the bubbles in the water, and the gas in the bubbles enters the pointed conical pipe 603 and is discharged from the horizontal pipe 602, the vertical pipe 601 and the vent pipe 5 by using the characteristics of the one-way flow membrane 604 that the bubbles are air permeable and water impermeable, so as to achieve the purpose of eliminating the bubbles, the upper end of the bubble puncturing member 6 is further fixedly connected to a water flow driving impeller 15, the water flow driving impeller 15 is arranged perpendicular to the water inlet of the front end filtering housing 3, the bubble puncturing member is rotated by using the impact of the water, the puncturing range is expanded, so as to improve the puncturing effect, a water flow velocity measuring instrument 7 (the type thereof can be selected according to actual requirements), the internal specific structure and the working principle are well known technology known to those skilled in the art, and are not described in detail herein);
referring to fig. 4-5, a plurality of sets of bubble controllers 8 are fixedly connected to an inner wall of the detection device housing 1, the plurality of sets of bubble controllers 8 are symmetrically distributed, each bubble controller 8 includes a hemispherical mounting base, a gas storage cavity 801 is formed inside the mounting base, the gas storage cavity 801 is communicated with the bubble generator 9, a plurality of gas outlet cavities 802 are formed inside the mounting base, inner diameters of the plurality of gas outlet cavities 802 are gradually increased from top to bottom, the gas outlet cavities 802 with different inner diameters can produce bubbles with different sizes, so as to detect the influence of the sizes of the bubbles on the strength of the impeller, the gas outlet cavities 802 are communicated with the gas storage cavity 801, an electromagnetic valve 803 (the type of which can be selected according to actual requirements, and the specific internal structure and working principle of which are well known technologies known by those skilled in the art and will not be described in detail herein) is installed on an inner wall of each gas, the inner wall of each air outlet cavity 802 far away from the air storage cavity 801 is fixedly connected with a connecting telescopic pipe 806;
referring to fig. 6, a sealing plate 804 is fixedly connected to a side wall of an upper end of a telescopic tube 806, the sealing plate 804 includes a rotating body 8041, a first magnet block 8042 is embedded in the upper end of the rotating body 8041, the magnetism of the first magnet block 8042 is opposite to that of a second magnet block 805, an elastic rod 8043 is embedded in the lower end of the rotating body 8041, the elastic rod 8043 and the telescopic tube 806 are made of soft elastic material, the elastic force of the elastic rod 8043 resets the rotating body 8041, so that an air outlet cavity 802 is closed, the elasticity of the telescopic tube 806 helps the sealing plate 804 to return to the original position after the electromagnetic valve 803 is closed, when the electromagnetic valve 803 is not opened, the first magnet block 8042 and the second magnet block 805 are adsorbed together, the air outlet cavity 802 is closed, when the electromagnetic valve 803 is opened, air blows the sealing plate 804 under the action of air pressure, so that air bubbles are formed in the water, a second magnet block 805 is, the upper end of the sealing sheet 804 and the second magnet block 805 are mutually adsorbed, the bubble generator 9 fills air into the air storage cavity 801, the electromagnetic valve 803 is controlled to be opened, the sealing sheet 804 is inclined by using gas pressure, so that the air is released to fill bubbles into the water, and the air can be discharged from the air outlet cavities 802 with different inner diameters by opening different electromagnetic valves 803, so that the size of the bubbles can be controlled;
referring to fig. 7-8, the outer sidewall of the detection device housing 1 is fixedly connected with a plurality of bubble generators 9 (the type can be selected according to actual requirements, the specific internal structure and operation principle are well known to those skilled in the art, and will not be described in detail herein), and one bubble generator 9 is connected with a set of bubble controllers 8, the sidewall of the detection device housing 1 far from the front end filter housing 3 is provided with a water outlet 14, the sidewall of the detection device housing 1 near the water outlet 14 is fixedly connected with a sampling water bag 10, and a channel 11 is communicated between the sampling water bag 10 and the interior of the detection device housing 1, the channel 11 includes a water outlet channel 1101 and a water inlet channel 1102, the water outlet channel 1101 and the water inlet channel 1102 are symmetrically arranged with respect to the center line of the sampling water bag 10, the water outlet channel 1101 allows water to exit, the water inlet channel 1102 allows water to enter, thereby realizing the circulation flow of water in the sampling water bag 10, the water sampling device is convenient to collect water samples, two groups of flow direction control membranes 12 are fixedly connected to the inner wall of the channel 11, the two flow direction control membranes 12 in each group are arranged in a surrounding mode, and one end, far away from the channel 11, of the sampling water bag 10 is communicated with a sealing valve 13.
When the device is operated, the method comprises the following steps:
s1, installing the impeller to be detected on the impeller mounting shaft 2, injecting water from the water inlet of the front end filtering shell 3, and starting the water flow speed measuring instrument 7 and the bubble generator 9;
s2, filtering impurities in water by the filter screen 4, driving the impeller 15 to rotate by water flow impact water flow, and piercing bubbles in the water in the rotating process of the bubble piercing piece 6 to achieve the purpose of eliminating the bubbles;
s3, the water flow velocity measuring instrument 7 measures the flow velocity of water entering the detecting device shell 1 to detect the influence of the water flow velocity on the strength of the impeller, the water enters the detecting device shell 1 to drive the impeller to rotate, the bubble generator 9 introduces air into the bubble controller 8, the air is controlled by the electromagnetic valve 803 to come out of the air outlet cavity 802 with the size, so that the size of the bubbles is controlled to detect the influence of the size of the bubbles on the strength of the impeller;
s4, the water in the housing 1 of the detection device circulates in the sampling water bag 10, and the water is collected by opening the sealing valve 13 to detect the influence of the salinity of the water on the strength of the impeller.
The device can realize the detection of the size of bubbles in water, the influence of the salt content in water and the water flow speed on the strength of the impeller, before water enters the detection device, the bubbles are eliminated through the bubble puncturing piece, the bubble puncturing piece is rotated by using the impact action of the water to improve the puncturing effect, the bubbles are filled into the water through the bubble generator, so that the influence of the bubbles on the strength of the impeller is detected, the electromagnetic valve is used for controlling air to come out from air outlet cavities with different inner diameters so as to control the size of the bubbles, so that the influence of the size of the bubbles on the strength of the impeller is detected, before the water enters the detection device, a water flow speed measuring instrument is used for detecting the influence of the water flow speed on the strength of the impeller, the water in the device circularly flows in a sampling water bag through a flow direction control film, a sealing valve is opened to extract a water sample, so as to detect the influence of the, the device can simultaneously detect the influence of the size of bubbles, the water flow speed and the water salinity on the strength of the impeller, and greatly improves the detection efficiency.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a be used for trend to can unit impeller intensity detection device, includes detection device casing (1), detection device casing (1) internal rotation is connected with impeller installation axle (2), upper end lateral wall fixedly connected with front end filter housing (3) of detection device casing (1), and the inside intercommunication of front end filter housing (3) and detection device casing (1), inner wall fixedly connected with filter screen (4) that front end filter housing (3) are close to its water inlet, its characterized in that: the inner wall of the front end filtering shell (3) close to the water outlet of the front end filtering shell is fixedly connected with a vent pipe (5), the vent pipe (5) penetrates through the side wall of the front end filtering shell (3), the upper end of the vent pipe (5) is rotatably connected with a plurality of bubble puncturing parts (6), the bubble puncturing parts (6) are communicated with the vent pipe (5), the inner wall of the front end filtering shell (3) close to the water outlet of the front end filtering shell is fixedly connected with a water flow speed measuring instrument (7), the inner wall of the detection device shell (1) is fixedly connected with a plurality of groups of bubble controllers (8), the plurality of groups of bubble controllers (8) are symmetrically distributed, the outer side wall of the detection device shell (1) is fixedly connected with a plurality of bubble generators (9), one bubble generator (9) is connected with one group of bubble controllers (8), the side wall of the detection device shell (1) far away from the front end filtering shell (, lateral wall fixedly connected with sample water pocket (10) that detection device casing (1) is close to delivery port (14), and the intercommunication has passageway (11) between the inside of sample water pocket (10) and detection device casing (1), two sets of flow direction control membrane (12) of inner wall fixedly connected with of passageway (11), and two flow direction control membrane (12) of every group embrace the setting, the one end intercommunication that passageway (11) were kept away from in sample water pocket (10) has seal valve (13).
2. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 1, wherein: the bubble puncture piece (6) comprises a vertical pipe (601), the side wall of the vertical pipe (601) is communicated with a plurality of transverse pipes (602), the side wall of each transverse pipe (602) is communicated with a plurality of pointed conical pipes (603), a plurality of holes are formed in the side wall of each pointed conical pipe (603), and the inner wall of each hole is fixedly connected with a one-way circulation film (604).
3. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 1, wherein: the upper end of the bubble puncturing piece (6) is also fixedly connected with a water flow driving impeller (15), and the water flow driving impeller (15) is perpendicular to the water inlet of the front end filtering shell (3).
4. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 1, wherein: bubble controller (8) include hemispherical mount pad, gas storage chamber (801) have been seted up to the inside of mount pad, and gas storage chamber (801) and bubble generator (9) intercommunication, a plurality of gas chamber (802) of going out have been seted up to the inside of mount pad, and go out gas chamber (802) and gas storage chamber (801) intercommunication, every go out gas chamber (802) and all install solenoid valve (803) near the inner wall of gas storage chamber (801), every go out the equal fixedly connected with of inner wall that gas chamber (801) was kept away from in gas chamber (802) and connect flexible pipe (806), and connect the upper end lateral wall fixedly connected with gasket (804) of flexible pipe (806), every the upper end lateral wall of going out gas chamber (802) all inlays and has second magnet piece (805), and the upper end and second magnet piece (805) of gasket (804) adsorb each other.
5. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 4, wherein: the sealing fin (804) is including rotor (8041), the upper end of rotor (8041) is embedded to have first magnet piece (8042), and the magnetism of first magnet piece (8042) is opposite with the magnetism of second magnet piece (805), embedded flexible stick (8043) in the lower extreme of rotor (8041).
6. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 5, wherein: the elastic rod (8043) and the connecting telescopic pipe (806) are both made of soft elastic materials.
7. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 1, wherein: the channel (11) comprises a water outlet channel (1101) and a water inlet channel (1102), and the water outlet channel (1101) and the water inlet channel (1102) are symmetrically arranged around the midline of the sampling water bag (10).
8. The device for detecting the strength of the impeller of the tidal current energy unit as claimed in claim 4, wherein: the inner diameter of the air outlet cavity (802) is gradually increased from top to bottom.
9. The use method of the device for detecting the strength of the impeller of the tidal current energy unit according to any one of claims 1 to 8 is characterized in that: the method comprises the following steps:
s1, installing the impeller to be detected on the impeller mounting shaft (2), injecting water from the water inlet of the front end filtering shell (3), and starting the water flow speed measuring instrument (7) and the bubble generator (9);
s2, filtering impurities in water by the filter screen (4), driving the impeller (15) to rotate the bubble puncturing piece (6) by water impact water flow, and puncturing bubbles in the water in the rotating process of the bubble puncturing piece (6) to achieve the purpose of eliminating the bubbles;
s3, a water flow speed measuring instrument (7) measures the flow speed of water entering a detection device shell (1) to detect the influence of the water flow speed on the strength of an impeller, the water enters the detection device shell (1) to drive the impeller to rotate, an air bubble generator (9) introduces air into an air bubble controller (8), and an electromagnetic valve (803) controls the air to come out from an air outlet cavity (802) with which size, so that the size of the air bubble is controlled to detect the influence of the size of the air bubble on the strength of the impeller;
s4, the water in the shell (1) of the detection device circularly flows in the sampling water sac (10), and the water is collected by opening the sealing valve (13) to detect the influence of the salinity of the water on the strength of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863839.3A CN111855450A (en) | 2020-08-25 | 2020-08-25 | Device for detecting strength of impeller of tidal current energy unit and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863839.3A CN111855450A (en) | 2020-08-25 | 2020-08-25 | Device for detecting strength of impeller of tidal current energy unit and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111855450A true CN111855450A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010863839.3A Withdrawn CN111855450A (en) | 2020-08-25 | 2020-08-25 | Device for detecting strength of impeller of tidal current energy unit and using method thereof |
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| CN (1) | CN111855450A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014745A (en) * | 2022-07-01 | 2022-09-06 | 长春工程学院 | Device for detecting strength of impeller of tidal current energy unit and using method thereof |
-
2020
- 2020-08-25 CN CN202010863839.3A patent/CN111855450A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014745A (en) * | 2022-07-01 | 2022-09-06 | 长春工程学院 | Device for detecting strength of impeller of tidal current energy unit and using method thereof |
| CN115014745B (en) * | 2022-07-01 | 2023-09-19 | 长春工程学院 | Device for detecting impeller strength of tidal current energy unit and application method of device |
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Application publication date: 20201030 |