CN217386543U - Hydrodynamics comprehensive experiment device - Google Patents
Hydrodynamics comprehensive experiment device Download PDFInfo
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- CN217386543U CN217386543U CN202221198905.0U CN202221198905U CN217386543U CN 217386543 U CN217386543 U CN 217386543U CN 202221198905 U CN202221198905 U CN 202221198905U CN 217386543 U CN217386543 U CN 217386543U
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Abstract
The utility model discloses a multi-functional hydrodynamics synthesizes experimental apparatus. The technical scheme adopted comprises the following steps: experiment device is synthesized to hydrodynamics, include the laboratory bench and establish experimental apparatus on the laboratory bench, its characterized in that: the experimental device comprises a water source system, a Reynolds phenomenon demonstration tube, a Bernoulli experimental tube, a centrifugal pump characteristic testing tube, a smooth tube on-way resistance measuring tube, a rough tube on-way resistance measuring tube, a laminar flow tube on-way resistance measuring tube, a sudden expansion/sudden contraction local resistance measuring tube, a valve local resistance measuring tube and a Venturi flowmeter/orifice plate flowmeter calibration tube; the water source system water source includes storage water tank, first water pump, second water pump, constant voltage water tank, first water pump is placed in the storage water tank, and the exit end pass through the water-supply line with the constant voltage water tank is connected, the entrance point of second water pump through vacuum meter, first governing valve with the storage water tank connection, the exit end of second water pump is divided into two ways about through the manometer, left side way through first motorised valve, first flowmeter with the storage water tank links to each other, right side way through second motorised valve, second flowmeter and experiment tube section connection.
Description
Technical Field
The utility model relates to a hydrodynamics comprehensive experiment device.
Background
Engineering hydrodynamics experimental apparatus has a wide variety, each has its characteristics and range of application. Such as the frictional resistance of the test pipe flow, the flow coefficient of the throttling meter, the characteristics of the centrifugal pump and the like. The functions of the existing experimental devices are single, the existing experimental devices cut off the commonality and the internal relation of the experimental principle, are difficult to compare the particularity of each experiment, cannot intuitively enlighten each other, deepens the understanding and the application of the principle to obtain more complete and activated perceptual knowledge, and limits the effect and the efficiency of the experiment. In a single experiment, due to the similarity of experimental technologies such as a flow device, test parameters, experimental operation and the like, experimental equipment and test means are overlapped, and financial resources, material resources and manpower are consumed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a multi-functional hydrodynamics comprehensive experiment device.
In order to solve the above problem, the utility model discloses a technical scheme include:
experiment device is synthesized to hydrodynamics, include the laboratory bench and establish experimental apparatus on the laboratory bench, its characterized in that: the experimental device comprises a water source system, a Reynolds phenomenon demonstration tube, a Bernoulli experimental tube, a centrifugal pump characteristic testing tube, a smooth tube on-way resistance measuring tube, a rough tube on-way resistance measuring tube, a laminar flow tube on-way resistance measuring tube, a sudden expansion/sudden contraction local resistance measuring tube, a valve local resistance measuring tube and a Venturi flowmeter/orifice plate flowmeter calibration tube;
the water source of the water source system comprises a water storage tank, a first water pump, a second water pump and a constant pressure water tank, wherein the first water pump is placed in the water storage tank, the outlet end of the first water pump is connected with the constant pressure water tank through a water feeding pipe, the inlet end of the second water pump is connected with the water storage tank through a vacuum gauge and a first regulating valve, the outlet end of the second water pump is divided into a left path and a right path through a pressure gauge, the left path is connected with the water storage tank through a first electric valve and a first flow meter, and the right path is connected with an experiment pipe section through a second electric valve and a second flow meter;
the Reynolds phenomenon demonstration pipe and the Bernoulli experiment pipe are arranged in parallel, an inlet of the Reynolds phenomenon demonstration pipe is connected with the constant-pressure water tank, a water return tank is arranged below an outlet of the constant-pressure water tank, the water return tank is connected with the water storage tank through a pipeline, and the centrifugal pump characteristic test pipe is connected between a first electric valve and a first flow meter on the left path of the outlet end of the second water pump;
smooth pipe is along journey resistance survey pipe, rough pipe is along journey resistance survey pipe, laminar flow pipe is along journey resistance survey pipe, is expanded suddenly/is contracted suddenly local resistance survey pipe, valve local resistance survey pipe, venturi flowmeter orifice plate flowmeter calibration pipe and constitutes six experiment pipeline sections side by side, each experiment pipeline section import respectively through select the valve after with water storage tank connection, each experiment pipeline section export section assemble the back with water storage tank connection and each experiment pipeline section export all is connected with the differential pressure table.
The hydrodynamics comprehensive experiment device is characterized in that: the multi-point pressure measuring device is characterized in that a multi-point pressure measuring device is respectively arranged on pipelines of the Reynolds phenomenon demonstration tube and the Bernoulli experiment tube, the multi-point pressure measuring device is formed by arranging a plurality of pressure measuring point pipelines side by side, each pressure measuring point pipeline is provided with a pressure measuring meter, and outlets of the Reynolds phenomenon demonstration tube and the Bernoulli experiment tube are respectively provided with a second regulating valve.
The hydrodynamics comprehensive experiment device is characterized in that: the constant-pressure water tank is provided with a water inlet hole, overflow pipes and a flow stabilizing plate, the constant-pressure water tank is divided into a water inlet area and a water outlet area by the flow stabilizing plate, the water inlet hole is positioned at the bottom of the water inlet area, the overflow pipes are positioned at the top of the water inlet area, the water inlet hole is connected with the first water pump through a water feeding pipe, and the overflow pipes are connected with the water storage tank; and the lower part of the right side of the water outlet area is respectively connected with the Reynolds phenomenon demonstration pipe and the Bernoulli experiment pipe.
The hydrodynamics comprehensive experiment device is characterized in that: the laboratory bench includes desktop type rack and back side frame, desktop board is equipped with at desktop type rack top, the desktop lamp house is equipped with on the desktop board.
The hydrodynamics comprehensive experiment device is characterized in that: desktop type rack right side sets up the electric box, the display screen is equipped with at the electric box top.
The hydrodynamics comprehensive experiment device is characterized in that: the left side, the right side and the rear side of the desktop type rack are provided with waist line decorative strips.
The hydrodynamics comprehensive experiment device is characterized in that: and a top lamp box is arranged at the top of the rear side frame.
The hydrodynamics comprehensive experiment device is characterized in that: a group of universal wheels is arranged at the bottom of the desktop type table frame.
The utility model discloses an experimental apparatus is synthesized to hydrodynamics advantage: according to the Bernoulli equation principle followed by hydrodynamics, the separated typical experiment functions of hydrodynamics are integrated in a set of devices, experiments can be carried out respectively, sequentially or in parallel, and the good effect which cannot be achieved by a single experiment device is achieved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic front structural view of the hydrodynamics comprehensive experiment device of the present invention;
FIG. 2 is a schematic side view of the hydrodynamics comprehensive experiment device of the present invention;
FIG. 3 is a schematic structural diagram of the experimental apparatus of the present invention;
fig. 4 is a schematic structural diagram of the multipoint pressure measuring device of the present invention.
Detailed Description
As shown in fig. 1 to 4, the fluid mechanics comprehensive experiment device of the present invention comprises an experiment table 1 and an experiment device 2 disposed on the experiment table 1. The experimental device 2 comprises a water source system 3, a Reynolds phenomenon demonstration tube 4, a Bernoulli experimental tube 5, a centrifugal pump characteristic test tube 6, a smooth tube on-way resistance measuring tube 7, a rough tube on-way resistance measuring tube 8, a laminar flow tube on-way resistance measuring tube 9, a sudden expansion/sudden contraction local resistance measuring tube 10, a valve local resistance measuring tube 11 and a Venturi flowmeter/orifice plate flowmeter calibration tube 12. The water source of the water source system 3 comprises a water storage tank 13, a first water pump 14, a second water pump 15 and a constant pressure water tank 16. The water storage tank 13 is placed on the bottom plate of the experiment table 1. The first water pump 14 is placed in the water storage tank 13, and the outlet end of the first water pump 14 is connected with the constant pressure water tank 16 through a water supply pipe. The inlet end of the second water pump 15 is connected with the water storage tank 13 through a vacuum meter 17 and a first regulating valve 18. The outlet end of the second water pump 15 is divided into a left path and a right path by a pressure gauge 19, wherein: the left path is connected with the water storage tank 13 through a first electric valve 20 and a first flow meter 21; the right path is connected with the experimental pipe section through a second electric valve 22 and a second flowmeter 23. Reynolds phenomenon demonstration pipe 4, Bernoulli's experiment pipe 5 are placed side by side, just Reynolds phenomenon demonstration pipe 4, Bernoulli's experiment pipe 5 import respectively with constant voltage water tank 16 links to each other, Reynolds phenomenon demonstration pipe 4, Bernoulli's experiment pipe 5 export below sets up return water tank 24, return water tank 24 passes through the tube coupling storage water tank 13, through storage water tank 13 will flow back in Reynolds phenomenon demonstration pipe 4, the Bernoulli's experiment pipe 5 to storage water tank 13. The centrifugal pump characteristic test tube 6 is connected between the first electric valve 20 and the first flowmeter 21 on the left path of the outlet end of the second water pump 15. Smooth pipe is along journey resistance survey pipe 7, rough pipe is along journey resistance survey pipe 8, laminar flow pipe is along journey resistance survey pipe 9, is expanded suddenly/is contracted suddenly local resistance survey pipe 10, valve local resistance survey pipe 11, venturi flowmeter/orifice plate flowmeter calibration pipe 12 and constitutes six experiment pipeline sections side by side, each experiment pipeline section import respectively through select valve 25 after with storage water tank 13 is connected, each experiment pipeline section export section converge after with storage water tank 13 is connected to each experiment pipeline section export all is connected with differential pressure meter 26. After adopting the above structure, through the control to each valve, pump, pipeline etc., reynolds phenomenon demonstration pipe 4, bernoulli experiment pipe 5, centrifugal pump characteristic test pipe 6, smooth pipe on-way resistance survey pipe 7, rough pipe on-way resistance survey pipe 8, laminar flow pipe on-way resistance survey pipe 9, sudden expansion/sudden contraction local resistance survey pipe 10, valve local resistance survey pipe 11 and venturi flowmeter/orifice plate flowmeter calibration pipe 12 can be respectively, in succession or in parallel carry out the experiment. Each part of the experimental device 2 can be fixed on the experimental table 1 by means of a connecting piece, a screw, a rivet and the like, and the connecting manner is a known technology and is not described herein.
Preferably, the reynolds phenomenon demonstration tube 4 and the bernoulli experiment tube 5 are respectively provided with a multi-point pressure measuring device 27 on the pipeline, the multi-point pressure measuring device 27 is formed by arranging a plurality of pressure measuring point pipelines 28 side by side, each pressure measuring point pipeline 28 is provided with a pressure measuring meter 29, and the outlets of the reynolds phenomenon demonstration tube 4 and the bernoulli experiment tube 5 are respectively provided with a second regulating valve 44. So as to realize the multi-point pressure detection on the pipelines of the Reynolds phenomenon demonstration tube 4 and the Bernoulli experiment tube 5 respectively.
Preferably, be equipped with inlet opening 30, overflow pipe 31, stabilizer 32 on the constant pressure water tank 16, stabilizer 32 will constant pressure water tank 16 divide into intake zone 33 and play pool 34, inlet opening 30 is located intake zone 33 bottom, overflow pipe 31 all is located intake zone 33 top, inlet opening 30 through the water-supply line with first water pump 14 is connected, overflow pipe 31 with storage water tank 13 links to each other. And the lower part of the right side of the water outlet area 34 is respectively connected with the Reynolds phenomenon demonstration tube 4 and the Bernoulli experiment tube 5. After the structure is adopted, the Reynolds phenomenon demonstration tube 4 and the Bernoulli experiment tube 5 are connected with the constant-pressure water outlet area 34 to ensure the accuracy of the experiment.
Preferably, the experiment table 1 comprises a table-top type rack 35 and a rear side frame 36, wherein a table-top plate 37 is installed at the top of the table-top type rack 35, a table-top light box 38 is installed on the table-top plate 37, and a top light box 42 is installed at the top of the rear side frame 36. Through the illumination of the desktop lamp box 38 and the top lamp box 42, the experimenter can observe each experimental process more clearly.
Preferably, for the overall arrangement is more reasonable, convenient operation, desktop type rack 35 right side sets up electric box 39, display screen 40 is equipped with at electric box 39 top. The electric box 39 can be used for installing a PLC, a frequency converter, a molded case circuit breaker and a contactor, and the centralized monitoring of the fluid mechanics comprehensive experiment device is realized.
Preferably, the desktop rack 35 is provided with a belt line decorative strip 41 on the left side, the right side and the rear side, and the belt line decorative strip 41 is fixed to the desktop rack 35 by screws or rivets, so as to improve the strength and the high aesthetic property of the desktop rack 35. The bottom of the table top type rack 35 is provided with a group of universal wheels 43 to facilitate the movement of the equipment.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydrodynamics synthesizes experimental apparatus, includes laboratory bench (1) and establishes experimental apparatus (2) on laboratory bench (1), its characterized in that: the experimental device (2) comprises a water source system (3), a Reynolds phenomenon demonstration tube (4), a Bernoulli experimental tube (5), a centrifugal pump characteristic test tube (6), a smooth tube on-way resistance measuring tube (7), a rough tube on-way resistance measuring tube (8), a laminar flow tube on-way resistance measuring tube (9), a sudden expansion/sudden contraction local resistance measuring tube (10), a valve local resistance measuring tube (11) and a Venturi flowmeter/orifice plate flowmeter calibration tube (12);
the water source of the water source system (3) comprises a water storage tank (13), a first water pump (14), a second water pump (15) and a constant pressure water tank (16), wherein the first water pump (14) is placed in the water storage tank (13), the outlet end of the first water pump is connected with the constant pressure water tank (16) through a water feeding pipe, the inlet end of the second water pump (15) is connected with the water storage tank (13) through a vacuum meter (17) and a first regulating valve (18), the outlet end of the second water pump (15) is divided into a left path and a right path through a pressure meter (19), the left path is connected with the water storage tank (13) through a first electric valve (20) and a first flowmeter (21), and the right path is connected with an experiment pipe section through a second electric valve (22) and a second flowmeter (23);
the Reynolds phenomenon demonstration pipe (4) and the Bernoulli experiment pipe (5) are arranged in parallel, an inlet of the Reynolds phenomenon demonstration pipe is respectively connected with the constant-pressure water tank (16), a water return tank (24) is arranged below an outlet of the constant-pressure water tank, the water return tank (24) is connected with the water storage tank (13) through a pipeline, and the centrifugal pump characteristic test pipe (6) is connected between a first electric valve (20) and a first flow meter (21) on the left path of the outlet end of the second water pump (15);
smooth pipe is along journey resistance survey pipe (7), rough pipe is along journey resistance survey pipe (8), laminar flow pipe is along journey resistance survey pipe (9), suddenly expand/suddenly contract local resistance survey pipe (10), valve local resistance survey pipe (11), venturi flowmeter orifice plate flowmeter calibration pipe (12) constitute six experiment pipeline sections side by side, each experiment pipeline section import respectively through select valve (25) back with storage water tank (13) are connected, each experiment pipeline section export section assemble the back with storage water tank (13) are connected to each experiment pipeline section export all is connected with differential pressure table (26).
2. The hydromechanical integrated experimental device of claim 1, characterized in that: the multi-point pressure measuring device is characterized in that the multi-point pressure measuring devices (27) are respectively arranged on pipelines of the Reynolds phenomenon demonstration tube (4) and the Bernoulli experiment tube (5), each multi-point pressure measuring device (27) is formed by arranging a plurality of pressure measuring point pipelines (28) side by side, each pressure measuring point pipeline (28) is provided with a pressure measuring meter (29), and outlets of the Reynolds phenomenon demonstration tube (4) and the Bernoulli experiment tube (5) are respectively provided with a second regulating valve (44).
3. The hydromechanical integrated experimental device of claim 1, characterized in that: the constant-pressure water tank (16) is provided with a water inlet hole (30), an overflow pipe (31) and a flow stabilizing plate (32), the constant-pressure water tank (16) is divided into a water inlet area (33) and a water outlet area (34) by the flow stabilizing plate (32), the water inlet hole (30) is positioned at the bottom of the water inlet area (33), the overflow pipes (31) are all positioned at the top of the water inlet area (33), the water inlet hole (30) is connected with the first water pump (14) through a water feeding pipe, and the overflow pipe (31) is connected with the water storage tank (13); and the lower part of the right side of the water outlet area (34) is respectively connected with the Reynolds phenomenon demonstration tube (4) and the Bernoulli experiment tube (5).
4. The hydromechanical integrated experimental device of claim 1, characterized in that: laboratory bench (1) includes desktop type rack (35) and back side frame (36), desktop board (37) are equipped with at desktop type rack (35) top, desktop lamp house (38) are equipped with on desktop board (37).
5. The hydromechanical integrated experimental device of claim 4, wherein: desktop type rack (35) right side sets up electric box (39), display screen (40) are equipped with at electric box (39) top.
6. The hydromechanical integrated experimental device of claim 4, wherein: waist line decorative strips (41) are arranged on the left side, the right side and the rear side of the desktop type rack (35).
7. The hydromechanical integrated experimental device of claim 4, wherein: the top of the rear side frame (36) is provided with a top lamp box (42).
8. The hydromechanical integrated experimental device of claim 4, wherein: a group of universal wheels (43) is arranged at the bottom of the desktop type rack (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198905.0U CN217386543U (en) | 2022-05-19 | 2022-05-19 | Hydrodynamics comprehensive experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198905.0U CN217386543U (en) | 2022-05-19 | 2022-05-19 | Hydrodynamics comprehensive experiment device |
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| Publication Number | Publication Date |
|---|---|
| CN217386543U true CN217386543U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221198905.0U Active CN217386543U (en) | 2022-05-19 | 2022-05-19 | Hydrodynamics comprehensive experiment device |
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| CN (1) | CN217386543U (en) |
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- 2022-05-19 CN CN202221198905.0U patent/CN217386543U/en active Active
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