CN2777677Y - Water tank for teaching experiment - Google Patents
Water tank for teaching experiment Download PDFInfo
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- CN2777677Y CN2777677Y CN 200520095046 CN200520095046U CN2777677Y CN 2777677 Y CN2777677 Y CN 2777677Y CN 200520095046 CN200520095046 CN 200520095046 CN 200520095046 U CN200520095046 U CN 200520095046U CN 2777677 Y CN2777677 Y CN 2777677Y
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Abstract
The utility model provides a water tank for a teaching experiment, which comprises a water tank, a water pump, a water inflow pipe segment, an experimental water tank, a flow meter, a throttle valve, a survey probe and a pitot tube. The utility model is characterized in that the water inflow pipe segment is arranged at the lower side of the experimental water tank and forms parallel arrangement with the experimental water tank, a water outlet of the water inflow pipe segment and a water inlet of the experimental water tank are both positioned at the head part of the experimental water tank, and the water inflow pipe segment is connected with the experimental water tank through the head part. The water tank is arranged at the lower side of the tail part of the experimental water tank, a water outlet at the tail part of the experimental water tank faces directly the water tank, and the flow meter and the throttle valve are arranged in the water inflow pipe segment. The water outlet point at the tail part of the experimental water tank is provided with a control gate used for adjusting the water depth. The lower side of the water inlet point of the experimental water tank forms a transition curve shape. The outlet point of the water inflow pipe segment is provided with a vortex gate. The middle part of the experimental water tank is provided with the survey probe and the pitot tube, wherein the survey probe can be moved in the experiment segment of the water tank and can measure the height of the bottom part and the height of the water surface, and the pitot tube is used for measuring the flow speed. The middle part of the experimental water tank is pre-formed with an inserted tank used for installing an experimental weir and a gate with various degrees of opening.
Description
Technical field
The utility model relates to a kind of education experiment tank, is used for hydraulics or fluid mechanics subject, the equipment that various open-channel flows is carried out teaching demonstration and measurement.This equipment is mainly used in the school duty room of hydraulics or fluid mechanics course, also can be used in the laboratory teaching of correlated curriculums such as water conservancy, plumbing.Be mainly used in and help the student to understand the phenomenon of various open-channel flows, understand the substance that the relevant open channel learned in the classroom flows.
Background technology
Open channel is a kind of common, important engineering measure in various hydraulic engineerings, water supply and sewage work.As irrigate the water-drawing channel of the flume channel in discharge conduit, shipping channel, power station of usefulness and flood discharge channel, feedwater and discharge conduit or the like.On these channels, generally also have hydraulic structures such as various practical weirs, broad-crested weir, sluice.Therefore there are various open-channel flow phenomenons in flow the very complexity of current in open channel.These current phenomenons are more abstract, particularly for the beginner, beyond one's depth.This just needs to allow the student view and emulate by the tank simulated experiment, and the student is carried out the scene explanation.In addition, in the hydraulics course teaching, the determination experiment of measurement experiment that the open channel cross-sectional flow distributes and various weir, lock coefficient of flow is outline basis for establishing experiment, and these measurement experiments all need be finished in tank.
Owing to set up a tank that can show various open-channel flow phenomenons and measure the open-channel flow parameter, need perfect confession, the unwatering system of a cover, need devices such as flow measurement, and control system.At present, the laboratory tank divides large-scale and small-sized.Generally speaking, the structure of large-scale tank cell body is glass-steel frame construction, and confession, unwatering system need be set up pumping systems such as relatively large reservoir and water pump water tower, and flow measurement device is generally sharp-crested weir, also useful electromagnetic flowmeter.The construction of large-scale tank needs more fund and floor area.Be subjected to the influence of factors such as laboratory scale, fund and floor area, also have many laboratories to build small-sized tank.The used small-sized tank in present laboratory, its cell body mostly is glass-steel frame construction (organic glass-steel frame construction is also arranged), confession, unwatering system are made up of upper water box, lower header and water pump etc., and the version of total system is just like the large-scale tank system of a miniaturization.Flow measurement device generally also is a sharp-crested weir.It is big that the small-sized tank of this form has floor area, operates not shortcoming easily.
Summary of the invention
The purpose of this utility model is to propose a kind ofly to have that floor area is little, easy to operate, the small practical tank system.
The technical solution of the utility model: education experiment of the present utility model comprises water tank, water pump, water inlet segment, experimental trough, flowmeter, throttling valve, chaining pin, Pitot tube with tank, it is characterized in that: water inlet segment below experimental trough with the experimental trough parallel arranged, water inlet segment water delivering orifice and experimental trough water inlet all are positioned at the experimental trough stem, water inlet segment connects experimental trough by stem, water tank is below the experimental trough afterbody, experimental trough afterbody water delivering orifice is directly to water tank, and flowmeter and throttling valve are installed in the water inlet segment.
The control gate of regulating the depth of water is equipped with at tank place before the described education experiment tank, its experimental trough afterbody water delivering orifice or water delivering orifice.
Described education experiment tank, its below, experimental trough water inlet is the transient curve shape.
Described education experiment tank, its water inlet segment exit is equipped with the honeycomb screen that can make current steadily enter experimental trough.
Described education experiment tank, experimental trough middle part are equipped with can measure bottom elevation, the chaining pin of water level elevation and the Pitot tube of measurable flow speed, and chaining pin and Pitot tube place on the carriage, and carriage can move in the flume experiment section.
Described education experiment tank, the slot that practical weir, broad-crested weir, sharp-crested weir and various aperture gates are installed is reserved at the experimental trough middle part.
Advantage of the present utility model:
1. this equipment adopts vertical tight loop structure, the experimental section that top is formed for the tank cell body, and the bottom is an inlet segment.Inlet segment connects experimental section by stem.Water tank has reduced floor area below experimental section and inlet segment, also saved the required upper water box of conventional tank;
2. inlet segment adopts pipe, and a turbo flow meter and throttling valve are installed in appropriate location, inlet segment middle part.Throttling valve is used to control the flow that enters current in the experimental trough, and turbine flow measures flow, is convenient to calculate various experiment parameters;
3. the inlet segment water inlet is in water tank, and a submersible pump is assembled in the porch, by submersible pump the water of water tank is directly entered the experimental trough section by water inlet segment.The afterbody water delivering orifice of experimental trough is directly to water tank, and the water of experimental trough directly descends earial drainage to go into water tank by water delivering orifice, and the control sluice of regulating the depth of water can be controlled the water level of experimental trough easily;
4. in the middle part of the experimental trough section, reserve slot, the gate of practical weir, broad-crested weir, sharp-crested weir and various apertures can conveniently be installed, the chaining pin frame of movably surveying the depth of water and the Pitot tube of velocity measurement also can be installed, can conveniently carry out the experiment of various current phenomenons and measure relevant data.
5. the utility model structure is tight, volume is little, precision is also than higher, the compact stem, and special transient curve is used in the experimental trough water inlet, and honeycomb screen is installed in the water inlet segment exit can make current steadily enter experimental trough.
Description of drawings
Fig. 1 is an education experiment of the present utility model tank structural representation;
Fig. 2 is an education experiment of the present utility model tank plan structure synoptic diagram.
Among the figure: the 1st, water pump; The 2nd, water inlet segment; The 3rd, turbo flow meter; 3-1 is the flowmeter instrument; The 4th, throttling valve; The 5th, honeycomb screen; The 6th, the experimental trough stem; The 7th, the experimental trough water inlet; 7-1 is the transient curve place of below, experimental trough water inlet; The 8th, chaining pin; 8-1 is the carriage of chaining pin; The 9th, the Pitot tube of velocity measurement; 9-1 is the carriage of Pitot tube; 9-2 is the supporting specific pressure meter of Pitot tube; The 10th, model (broad-crested weir); 10-1 is a slot; The 11st, experimental trough; The 12nd, the experimental trough water delivering orifice; The 13rd, water tank; The 14th, the water inlet segment water delivering orifice; The 15th, the experimental trough support; The 16th, regulate the control gate (tail-gate) of the depth of water; The 17th, worktable.
Embodiment
As accompanying drawing 1,2: the submersible pump 1 in the water tank 13 through being installed in turbo flow meter 3, throttling valve 4, honeycomb screen 5, the stem 6 in the water inlet segment 2, is entered the experimental section of experimental trough 11 with in the water suction water inlet segment 2 by experimental trough water inlet 7.Water flows into water tanks 13 from the water delivering orifice 12 of tank 11 afterbodys after section by experiment.
Reserve the slot 10-1 that can make things convenient for installation or removal model 10 in the tank cell body, also reserve carriage 8-1, the 9-1 etc. that can place chaining pin 8, Pitot tube 9.
Model 10 can be sharp-crested weir, practical weir, broad-crested weir and gate etc.Install said apparatus and can carry out the determination experiment of various weirs, lock coefficient of flow in conjunction with chaining pin 8, can carry out current through various weirs, lock after the lecture experiment of complex flow phenomenon.The carriage 8-1, the 9-1 that place Pitot tube 9, chaining pin 8 can move in whole tank cell body 10.By Pitot tube 9, can carry out the experiments of measuring that the open channel cross-sectional flow distributes in conjunction with chaining pin 8.The 15th, the support of experimental trough 11; The 16th, the control sluice of the adjusting depth of water, its depth of water in throttling valve 4 is adjusted the experiment cell bodies.
Water pump 1 pump housing and blade adopt aluminium alloy and copper product, can effectively prevent to make the water variable color owing to get rusty; Adopt the throttling valve of plastic material better.
Whole experiment cell body uses poly (methyl methacrylate) plate, can clog-free observation current phenomenon.
Experimental trough can an attached small-sized worktable 17, and worktable 17 can be placed the Displaying Meter 3-1 of turbo flow meter 3, and the supporting specific pressure meter 9-2 of Pitot tube.Note down when this worktable also can be measured for the student and use when calculating.
Claims (6)
1. education experiment tank, comprise water tank, water pump, water inlet segment, experimental trough, flowmeter, throttling valve, chaining pin, Pitot tube, it is characterized in that: water inlet segment below experimental trough with the experimental trough parallel arranged, water inlet segment water delivering orifice and experimental trough water inlet all are positioned at the experimental trough stem, water inlet segment connects experimental trough by stem, water tank is below the experimental trough afterbody, experimental trough afterbody water delivering orifice is directly to water tank, and flowmeter and throttling valve are installed in the water inlet segment.
2. education experiment tank according to claim 1 is characterized in that: the control gate of the scalable tank depth of water is equipped with at the tank place before the experimental trough afterbody water delivering orifice.
3. education experiment tank according to claim 1 and 2 is characterized in that: below, experimental trough water inlet is the transient curve shape.
4. education experiment tank according to claim 1 and 2 is characterized in that: the water inlet segment exit is equipped with the honeycomb screen that can make current steadily enter experimental trough.
5. education experiment tank according to claim 1 and 2, it is characterized in that: the experimental trough middle part is equipped with can measure bottom elevation, the chaining pin of water level elevation and the Pitot tube of measurable flow speed, and chaining pin and Pitot tube place can be on the carriage that tank moves.
6. education experiment tank according to claim 1 and 2 is characterized in that: the slot that practical weir, broad-crested weir, sharp-crested weir and various aperture gates are installed is reserved at the experimental trough middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520095046 CN2777677Y (en) | 2005-01-26 | 2005-01-26 | Water tank for teaching experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520095046 CN2777677Y (en) | 2005-01-26 | 2005-01-26 | Water tank for teaching experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777677Y true CN2777677Y (en) | 2006-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520095046 Expired - Fee Related CN2777677Y (en) | 2005-01-26 | 2005-01-26 | Water tank for teaching experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777677Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507133A (en) * | 2011-10-10 | 2012-06-20 | 天津大学 | Experimental device for detachable multifunctional bent river channel water circulating system |
| CN102522032A (en) * | 2011-11-24 | 2012-06-27 | 北京市水利科学研究所 | Large-flow annular experiment water tank |
| CN103234604A (en) * | 2013-04-01 | 2013-08-07 | 中国计量学院 | Calibrating device for weir trough open channel flow meter |
| CN104503492A (en) * | 2014-12-15 | 2015-04-08 | 武汉大学 | Water level regulating device of sealed water tank |
| CN103344411B (en) * | 2013-06-25 | 2015-06-03 | 西南石油大学 | Medium-shallow water homodromous wave current generating method and experimental water channel |
| CN105139746A (en) * | 2015-08-27 | 2015-12-09 | 武汉大学 | Pumping station inlet pool whirlpool experiment bench |
| CN105761596A (en) * | 2016-05-09 | 2016-07-13 | 大连理工大学 | Combined water tank shear flow guiding device |
| CN105894943A (en) * | 2016-05-31 | 2016-08-24 | 河海大学 | Demonstrative experiment device for open channel water delivery with water delivery quantity reduction along line |
| CN106918444A (en) * | 2017-04-29 | 2017-07-04 | 西南交通大学 | Varible slope flume pilot system |
| CN107059995A (en) * | 2016-12-28 | 2017-08-18 | 中央民族大学 | Circulating water chennel multi-cylinder alternative water-supply experiment parameter regulator control system |
| CN107492299A (en) * | 2017-09-12 | 2017-12-19 | 中山大学 | A kind of intelligent open channel experimental system for integrating fluidised form monitoring and being measured with ion |
| CN108335605A (en) * | 2018-02-11 | 2018-07-27 | 河海大学 | A kind of multipurpose weir flow device suitable for teaching experiment |
| CN108335606A (en) * | 2018-02-11 | 2018-07-27 | 河海大学 | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment |
| CN108844763A (en) * | 2018-07-13 | 2018-11-20 | 浙江省水利河口研究院 | It can the drainage system experimental rig that adjusts of multistage flow |
| CN109724770A (en) * | 2018-11-06 | 2019-05-07 | 浙江理工大学 | A kind of simulation sink |
-
2005
- 2005-01-26 CN CN 200520095046 patent/CN2777677Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507133A (en) * | 2011-10-10 | 2012-06-20 | 天津大学 | Experimental device for detachable multifunctional bent river channel water circulating system |
| CN102507133B (en) * | 2011-10-10 | 2014-09-10 | 天津大学 | Experimental device for detachable multifunctional bent river channel water circulating system |
| CN102522032A (en) * | 2011-11-24 | 2012-06-27 | 北京市水利科学研究所 | Large-flow annular experiment water tank |
| CN103234604A (en) * | 2013-04-01 | 2013-08-07 | 中国计量学院 | Calibrating device for weir trough open channel flow meter |
| CN103344411B (en) * | 2013-06-25 | 2015-06-03 | 西南石油大学 | Medium-shallow water homodromous wave current generating method and experimental water channel |
| CN104503492A (en) * | 2014-12-15 | 2015-04-08 | 武汉大学 | Water level regulating device of sealed water tank |
| CN105139746A (en) * | 2015-08-27 | 2015-12-09 | 武汉大学 | Pumping station inlet pool whirlpool experiment bench |
| CN105139746B (en) * | 2015-08-27 | 2017-06-09 | 武汉大学 | A kind of pumping plant intake pool whirlpool experimental bench |
| CN105761596A (en) * | 2016-05-09 | 2016-07-13 | 大连理工大学 | Combined water tank shear flow guiding device |
| CN105761596B (en) * | 2016-05-09 | 2018-05-04 | 大连理工大学 | Combined sink shear flow guiding device |
| CN105894943A (en) * | 2016-05-31 | 2016-08-24 | 河海大学 | Demonstrative experiment device for open channel water delivery with water delivery quantity reduction along line |
| CN107059995A (en) * | 2016-12-28 | 2017-08-18 | 中央民族大学 | Circulating water chennel multi-cylinder alternative water-supply experiment parameter regulator control system |
| CN107059995B (en) * | 2016-12-28 | 2023-10-10 | 中央民族大学 | Multi-cylinder alternate water supply experiment parameter regulation and control system for circulating water tank |
| CN106918444A (en) * | 2017-04-29 | 2017-07-04 | 西南交通大学 | Varible slope flume pilot system |
| CN107492299A (en) * | 2017-09-12 | 2017-12-19 | 中山大学 | A kind of intelligent open channel experimental system for integrating fluidised form monitoring and being measured with ion |
| CN108335605A (en) * | 2018-02-11 | 2018-07-27 | 河海大学 | A kind of multipurpose weir flow device suitable for teaching experiment |
| CN108335606A (en) * | 2018-02-11 | 2018-07-27 | 河海大学 | A kind of multi-functional sharp-crested weir weir flow device suitable for teaching experiment |
| CN108335605B (en) * | 2018-02-11 | 2020-05-05 | 河海大学 | Multipurpose weir flow device suitable for teaching experiment |
| CN108844763A (en) * | 2018-07-13 | 2018-11-20 | 浙江省水利河口研究院 | It can the drainage system experimental rig that adjusts of multistage flow |
| CN109724770A (en) * | 2018-11-06 | 2019-05-07 | 浙江理工大学 | A kind of simulation sink |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |