CN2055195U - Experiment console for teaching and studying hydrodynamics and pump characteristic - Google Patents
Experiment console for teaching and studying hydrodynamics and pump characteristic Download PDFInfo
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- CN2055195U CN2055195U CN 89206851 CN89206851U CN2055195U CN 2055195 U CN2055195 U CN 2055195U CN 89206851 CN89206851 CN 89206851 CN 89206851 U CN89206851 U CN 89206851U CN 2055195 U CN2055195 U CN 2055195U
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Abstract
The utility model discloses a physical teaching experiment apparatus, belonging to teaching apparatuses. The utility model combines Reynold experiment system, Bernoulli equation experiment system, drag pump experiment system, Venturi experiment system, Pitot experiment system, and the characteristic of a pump experiment system together by pipes, valves, throughput measuring apparatuses, pressure measuring apparatuses, and experiment pipes to form a teaching apparatus which is used in multiple experiments in the characteristic of a pump class of hydraulics. The utility model has the advantages of small volume, multiple functions, small occupation area, high utilization rate, low cost, simple operation, convenient use, high measuring precision, good repeatability, etc.
Description
The utility model belongs to teaching aid, further is a kind of physics teaching experiment equipment.
Present common engineering and polytechnic universities are at hydraulics, the on-way resistance experiment that relates in the pump characteristics course, elbow local resistance experiment, valve local resistance experiment, reynolds experiment, the bernoulli's equation experiment, in the education experiments such as the also series characteristic experiment of water pump, all adopting single separately experimental facilities, it is big therefore to exist the Laboratory Furniture volume, problems such as floor space is big, and Utilization ratio is low.
The purpose of this utility model is to provide a kind of floor space little, the combination experiment equipment that function is complete.
Solution of the present utility model is with the reynolds experiment system by the instrument of conduit, valve, measurement flow, pressure and experiment tube, the bernoulli's equation experimental system, the resistance experimental system, venturi experiment and Pitot tube experimental system, the pump characteristics experimental system is combined, formation can be carried out the teaching equipment of kinds of experiments in hydraulic pump characteristics course, most of conduit in this equipment, water pump, the water level case is shared in various experimental systems, uses the flow direction of the open and close controlling test medium of valve in concrete experiment.
Be elaborated below in conjunction with structural representation of the present utility model.
By elevated tank 30, transfusion bottle 31, syringe needle 29, reynolds experiment pipe 28, measuring meter 12, lower water box 27 constitutes the reynolds experiment connected system, wherein, elevated tank 30 bottoms connect reynolds experiment pipe 28, reynolds experiment pipe 28 is connection traffic meter 12 again, and transfusion bottle 31 is hung in elevated tank 30 tops, is connected with syringe needle 29, syringe needle 29 is contained in the reynolds experiment pipe 28, and lower water box 27 is below elevated tank 30.Test medium enters the reynolds experiment pipe 28 that connects its bottom by elevated tank 30, enters lower water box after flowmeter 12 is measured its flow.Pigment water is drained by the transfusion bottle of being satisfied with elevated tank 30 tops, sends into reynolds experiment pipe 28 through syringe needle 29.
Elevated tank 30, bernoulli's equation experiment tube 38, bernoulli's equation pressure-measuring pipe 33, vertical conduit 6, side flowmeter 26, lower water box 27 constitutes bernoulli's equation experiment connected system, wherein, the sidewall of elevated tank 30 connects bernoulli's equation experiment tube 38, and bernoulli's equation experiment tube 38 connects vertical conduit 6 again, vertical conduit 6 is connected with side flowmeter 26 by switching valve 13, and bernoulli's equation pressure-measuring pipe 33 is housed on the bernoulli's equation experiment tube 38.Test medium flows through bernoulli's equation experiment tube 38 by elevated tank 30, through vertical conduit 6, switching valve 13 inflow side flowmeters 26, flows into lower water box 27 through discharging valve 11 again.The position head of fluid, pressure head and velocity head and stagnation pressure, static pressure are read by bernoulli's equation pressure-measuring pipe 33.
Lower water box 27, rear-mounted pump 19, rear-mounted pump flowmeter 25, side flowmeter 26, horizontal duct 8, vertical conduit 6, gate valve 3, bend pipe 2, conduit 32, on-way resistance experiment tube 34, resistance experiment differential pressure gauge 4, elevated tank 30 constitute resistance experiment connected system.Wherein, lower water box 27 is through pump experiment inlet main valve 17 and rear-mounted pump 19, rear-mounted pump flowmeter 25 is connected with side flowmeter 26, rear-mounted pump flowmeter 25 is connected horizontal duct 8 again jointly with side flowmeter 26, connect vertical conduit 6 through switching valve 7, vertical conduit 6 is by gate valve 3, and bend pipe 2 connects on-way resistance experiment tube 34, the opening of on-way resistance experiment tube 34 is above elevated tank 30, and conduit 32 bridge pieces 2 are tested differential pressure gauge 4 with resistance.Test medium is drawn by lower water box 27, enters through pump experiment inlet main valve 17 and rear-mounted pump 19 that rear-mounted pump flowmeter 25 or side flowmeter 26 measurement of discharges are laggard goes into horizontal conduit 8.Switching valve 7, enter vertical conduit 6 again, by the gate valve 3 of valve resistance experiment, the bend pipe 2 of bend pipe local resistance experiment, on-way resistance experiment tube 34 flows into elevated tank 30, wherein chew and conduit 32 is drawn by pressure valve on the pipeline section by being connected for the pressure loss that caused of each several part resistance, pressure difference signal sent into π type glass tube resistance experiment differential pressure gauge 4 show readings.
Lower water box 27, rear-mounted pump 19, rear-mounted pump flowmeter 25, horizontal duct 8, vertical conduit 6, experiment pipeline section 35, Pitot tube 36, Venturi tube 37, Pitot tube conduit 9, differential pressure gauge conduit 10, differential pressure gauge 5 constitutes the connected system of venturi experiment and Pitot tube experiment.Lower water box 27 connects rear-mounted pump 19 and rear-mounted pump flowmeter 25 by rear-mounted pump inlet valve 18, rear-mounted pump flowmeter 25 is again by horizontal duct 8, selector valve 7, vertical conduit 6 connects experiment pipeline section 35, experiment pipeline section 35 openings are equipped with Pitot tube 36, Venturi tube 37 on the experiment pipeline section 35 above lower water box 27, differential pressure gauge 5 connects Pitot tube 36 by the different pipe 9 of Pitot tube, leads promise 10 by differential pressure gauge and connects Venturi tube 37.Test medium is drawn by lower water box 27, through rear-mounted pump inlet valve 18, rear-mounted pump 19 enters rear-mounted pump flowmeter 25, passes through horizontal duct 8, selector valve 7, vertical conduit 6 enters experiment pipeline section 35 through turning to, flow through Pitot tube 36, Venturi tube 37, flow back to lower water box 27, wherein the pressure of each section is by Pitot tube conduit 9, and differential pressure gauge conduit 10 is sent pressure difference signal into π shape glass tube differential pressure gauge 5 and shown reading.
Lower water box 27, front-mounted pump 15, rear-mounted pump 19, front-mounted pump flowmeter 22, rear-mounted pump flowmeter 25, front-mounted pump inlet vacuum gauge 14, rear-mounted pump inlet vacuum gauge 20, front-mounted pump delivery gauge 21, rear-mounted pump delivery gauge 23 constitute pump characteristics experiment connected system.Lower water box 27 connects front-mounted pump 15 and rear-mounted pump 19 respectively by pump experiment inlet main valve 17, front-mounted pump inlet vacuum gauge 14 and front-mounted pump delivery gauge 21 are housed on the front-mounted pump 15, and connection front-mounted pump flowmeter 22, rear-mounted pump inlet vacuum gauge 20 and rear-mounted pump delivery gauge 23 are housed on the rear-mounted pump 19, and connect rear-mounted pump flowmeter 25.When carrying out the series characteristic connected system experiment of pump, test medium is drawn from lower water box 27, through pump experiment inlet main valve 17, enter front-mounted pump 15, enter front-mounted pump flowmeter 22 after boosting through switching valve 24, rear-mounted pump 19 further boosts, and puts into lower water box through rear-mounted pump flowmeter 25 by discharging valve 11.When carrying out the characteristic connected system in parallel experiment of pump, test medium is drawn from lower water box 27, through pump experiment inlet main valve 17 and front-mounted pump inlet valve 16, rear-mounted pump inlet valve 18 flows into front-mounted pump 15 and rear-mounted pump 19 simultaneously, by front-mounted pump flowmeter 22, converge behind the rear-mounted pump flowmeter 25, turn back to lower water box 27 through discharging valve 11.Inlet and outlet pressure can be by the front-mounted pump vacuum gauge 14 that enters the mouth during pump working, rear-mounted pump inlet vacuum gauge 20, and front-mounted pump delivery gauge 21, rear-mounted pump delivery gauge 23 is directly read.
Wherein vertical conduit 6 is contained on the master bracket 1.
It is little to the utlity model has volume, and floor space is little, and function is many, and cost is low, and the utilization rate of equipment and installations height is simple to operate, easy to use, low energy consumption, the characteristics such as visual phenomenon.
Claims (1)
1, a kind of hydraulics and pump characteristics synthetic instruction Laboratory Furniture mainly by conduit, are measured the instrument of flow and pressure, and valve and experiment tube are formed, and it is characterized in that:
A elevated tank 30, transfusion bottle 31, syringe needle 29, reynolds experiment pipe 28, measuring meter 12, lower water box 27 constitutes the reynolds experiment connected system, wherein, elevated tank 30 bottoms connect reynolds experiment pipe 28, reynolds experiment pipe 28 is connection traffic meter 12 again, and transfusion bottle 31 is hung in elevated tank 30 tops, is connected with syringe needle 29, syringe needle 29 is contained in the reynolds experiment pipe 28, and lower water box 27 is below elevated tank 30;
B elevated tank 30, bernoulli's equation experiment tube 38, bernoulli's equation pressure-measuring pipe 33, vertical conduit 6, side flowmeter 26, lower water box 27 constitutes bernoulli's equation experiment connected system, wherein, the sidewall of elevated tank 30 connects bernoulli's equation experiment tube 38, and bernoulli's equation experiment tube 38 connects vertical conduit 6 again, vertical conduit 6 is connected with side flowmeter 26 by switching valve 13, and bernoulli's equation pressure-measuring pipe 33 is housed on the bernoulli's equation experiment tube 38;
C lower water box 27, rear-mounted pump 19, rear-mounted pump flowmeter 25, side flowmeter 26, horizontal duct 8, vertical conduit 6, gate valve 3, bend pipe 2, conduit 32, on-way resistance experiment tube 34, resistance experiment differential pressure gauge 4, elevated tank 30 constitute resistance experiment connected system.Wherein, lower water box 27 is through pump experiment inlet main valve 17 and rear-mounted pump 19, rear-mounted pump flowmeter 25 is connected with side flowmeter 26, rear-mounted pump flowmeter 25 is connected horizontal duct 8 again jointly with side flowmeter 26, connect vertical conduit 6 through switching valve 7, vertical conduit 6 is by gate valve 3, and bend pipe 2 connects on-way resistance experiment tube 34, the opening of on-way resistance experiment tube 34 is above elevated tank 30, and conduit 32 bridge pieces 2 are tested differential pressure gauge 4 with resistance;
D lower water box 27, rear-mounted pump 19, rear-mounted pump flowmeter 25, horizontal duct 8, vertical conduit 6, experiment pipeline section 35, Pitot tube 36, Venturi tube 37, Pitot tube conduit 9, differential pressure gauge conduit 10, differential pressure gauge 5 constitutes the connected system of venturi experiment and Pitot tube experiment, and lower water box 27 connects rear-mounted pump 19 and rear-mounted pump flowmeter 25 by rear-mounted pump inlet valve 18, rear-mounted pump flowmeter 25 is again by horizontal duct 8, selector valve 7, vertical conduit 6 connects experiment pipeline section 35, and experiment pipeline section 35 openings are above lower water box 27, on the experiment pipeline section 35 Pitot tube 36 is housed, Venturi tube 37, differential pressure gauge 5 connects Pitot tube 36 by the different pipe 9 of Pitot tube, leads promise 10 by differential pressure gauge and connects Venturi tube 37;
E lower water box 27, front-mounted pump 15, rear-mounted pump 19, front-mounted pump flowmeter 22, rear-mounted pump flowmeter 25, front-mounted pump inlet vacuum gauge 14, rear-mounted pump inlet vacuum gauge 20, front-mounted pump delivery gauge 21, rear-mounted pump delivery gauge 23 constitute pump characteristics experiment connected system.Lower water box 27 connects front-mounted pump 15 and rear-mounted pump 19 respectively by pump experiment inlet main valve 17, front-mounted pump inlet vacuum gauge 14 and front-mounted pump delivery gauge 21 are housed on the front-mounted pump 15, and connection front-mounted pump flowmeter 22, rear-mounted pump inlet vacuum gauge 20 and rear-mounted pump delivery gauge 23 are housed on the rear-mounted pump 19, and connect rear-mounted pump flowmeter 25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89206851 CN2055195U (en) | 1989-05-06 | 1989-05-06 | Experiment console for teaching and studying hydrodynamics and pump characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89206851 CN2055195U (en) | 1989-05-06 | 1989-05-06 | Experiment console for teaching and studying hydrodynamics and pump characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2055195U true CN2055195U (en) | 1990-03-28 |
Family
ID=4863809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89206851 Withdrawn CN2055195U (en) | 1989-05-06 | 1989-05-06 | Experiment console for teaching and studying hydrodynamics and pump characteristic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2055195U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300461C (en) * | 2004-10-12 | 2007-02-14 | 浙江大学 | Self circulation pump specific curve test instrument |
| CN102097028A (en) * | 2011-02-10 | 2011-06-15 | 中国人民解放军后勤工程学院 | Pump unit training simulator |
| CN102982710A (en) * | 2012-12-31 | 2013-03-20 | 济南大学 | Reynolds experiment apparatus |
| CN103174636A (en) * | 2013-03-11 | 2013-06-26 | 北京航空航天大学 | Testing system of side-by-side arrangement of high-speed pump and low-speed pump |
| CN103925205A (en) * | 2013-11-19 | 2014-07-16 | 内蒙古农业大学 | Comprehensive testbed for water pumps |
| CN105679174A (en) * | 2016-03-28 | 2016-06-15 | 华北水利水电大学 | Small water conservancy experiment table |
| CN106644387A (en) * | 2017-01-25 | 2017-05-10 | 四川大学 | Non-constant flow pipeline inner wall on-way resistance coefficient testing device and method |
-
1989
- 1989-05-06 CN CN 89206851 patent/CN2055195U/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300461C (en) * | 2004-10-12 | 2007-02-14 | 浙江大学 | Self circulation pump specific curve test instrument |
| CN102097028A (en) * | 2011-02-10 | 2011-06-15 | 中国人民解放军后勤工程学院 | Pump unit training simulator |
| CN102982710A (en) * | 2012-12-31 | 2013-03-20 | 济南大学 | Reynolds experiment apparatus |
| CN102982710B (en) * | 2012-12-31 | 2014-06-18 | 济南大学 | Reynolds experiment apparatus |
| CN103174636A (en) * | 2013-03-11 | 2013-06-26 | 北京航空航天大学 | Testing system of side-by-side arrangement of high-speed pump and low-speed pump |
| CN103174636B (en) * | 2013-03-11 | 2015-05-27 | 北京航空航天大学 | Testing system of side-by-side arrangement of high-speed pump and low-speed pump |
| CN103925205A (en) * | 2013-11-19 | 2014-07-16 | 内蒙古农业大学 | Comprehensive testbed for water pumps |
| CN105679174A (en) * | 2016-03-28 | 2016-06-15 | 华北水利水电大学 | Small water conservancy experiment table |
| CN105679174B (en) * | 2016-03-28 | 2018-05-25 | 华北水利水电大学 | A kind of small water conservancy experimental bench |
| CN106644387A (en) * | 2017-01-25 | 2017-05-10 | 四川大学 | Non-constant flow pipeline inner wall on-way resistance coefficient testing device and method |
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| C06 | Publication | ||
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| 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 |