CN204649347U - A kind of novel local resistance coefficient determination experiment device - Google Patents
A kind of novel local resistance coefficient determination experiment device Download PDFInfo
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- CN204649347U CN204649347U CN201520400291.3U CN201520400291U CN204649347U CN 204649347 U CN204649347 U CN 204649347U CN 201520400291 U CN201520400291 U CN 201520400291U CN 204649347 U CN204649347 U CN 204649347U
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Abstract
A kind of novel local resistance coefficient determination experiment device, comprise elevated tank, water leg and low flush tank, elevated tank is arranged on the top of low flush tank, water pump is connected with so that by the water suction elevated tank in low flush tank between elevated tank and low flush tank, be connected with between elevated tank water delivering orifice and water leg water inlet to measure and manage, measure on pipe and offer a plurality of measuring point so that mensuration flows through the water flow data of each measuring point to obtain complete data message.The utility model, by measuring multiple measuring point, ensure that the correctness of experimental result, and ensures that experiment conclusion is consistent with the energy equation of actual liquid, be provided with inlet opening, spout hole and weep hole simultaneously, ensure that experimental provision water is stablized.
Description
Technical field
The utility model relates to a kind of resistance coefficient determination experiment device, especially relates to a kind of novel local resistance coefficient determination experiment device.
Background technology
Coefficient of shock resistance determination experiment device was when measuring sudden enlargement with the coefficient of shock resistance reduced suddenly in the past, because measuring point is selected at critical section place, easily cause experimental result inaccurate, and experiment conclusion did not meet the phenomenon of actual liquid energy equation; The supply and drain water system of experimental provision and the supply and drain water system of building disconnect in addition, larger trouble is brought to the water inlet of experimental provision and draining, water inlet often needs artificial interim spreading flexible pipe, draining needs to connect submersible pump temporarily and the water in water tank is first extracted into bucket, then artificial pouring, and can not be thoroughly emptying, waste manpower and materials, also easily cause water to be spread across phenomenon on flooring.
Utility model content
The purpose of this utility model is for solving the problem that existing apparatus measuring point is inaccurate and draining is inconvenient, providing a kind of novel local resistance coefficient determination experiment device.
The utility model is the deficiency solved the problems of the technologies described above, and the technical scheme adopted is:
A kind of novel local resistance coefficient determination experiment device, comprise elevated tank, water leg and low flush tank, elevated tank is arranged on the top of low flush tank, water pump is connected with so that by the water suction elevated tank in low flush tank between elevated tank and low flush tank, be connected with between elevated tank water delivering orifice and water leg water inlet to measure and manage, described mensuration pipe is reducer pipe, measure on pipe and offer a plurality of measuring point so that mensuration flows through the water flow data of each measuring point to obtain complete data message, water leg water delivering orifice is communicated with low flush tank by water pipe so that recycle and reuse water, described low flush tank also offers inlet opening, weep hole and spout hole, inlet opening is positioned on low flush tank sidewall and is connected with water source by water supply installation, inlet opening is provided with one section of water inlet pipe stretched in low flush tank, water inlet pipe end is provided with the ball-cock assembly controlling water supply installation output, weep hole to be positioned at bottom low flush tank and to be connected with unwatering system, spout hole is lower than inlet opening, to be on sidewall that spout hole is positioned at low flush tank and spout hole center line and the spacing at the bottom of low flush tank case are less than inlet opening center line and the spacing at the bottom of low flush tank case, spout hole is connected to avoid water to flow on flooring with unwatering system by run-down pipe.
It is reducer pipe that section both sides, large footpath are path section in the middle of described mensuration Guan Weiyi, the diameter of large footpath section is greater than the diameter of path section, and mensuration pipe is provided with six measuring points, six measuring points are respectively measuring point I, measuring point II, measuring point III, measuring point IV, measuring point V and measuring point VI, measuring point I is positioned in the path section of one end of close elevated tank on reducer pipe, and measuring point I is positioned on one end of close large footpath section in path section, measuring point II, measuring point III and measuring point IV lays respectively in the section of large footpath, and measuring point III is positioned at the centre position of large footpath section, measuring point II and measuring point IV lays respectively on one end of close path section in the section of large footpath, measuring point V and measuring point VI is positioned in the path section of water leg side, measuring point V is positioned on one end of close large footpath section in path section, measuring point VI is positioned in path section away from one end of large footpath section.
Described water source is the supply channel in laboratory, and described unwatering system is the discharge pipe line in laboratory.
Distance between described spout hole center line and inlet opening center line is 2.5 times of water inlet pipe diameter.
The diameter of described run-down pipe is greater than the diameter of water inlet pipe.
When measuring the coefficient of shock resistance of sudden enlargement, appropriate point position is selected to guarantee the correctness of experimental result, and ensure that experiment conclusion is consistent with the energy equation of actual liquid, and in low flush tank, add water feed apparatus, weep hole and overflow mechanism to facilitate the plumbing of experimental provision, avoid the phenomenon because of carelessness water is spread across when the water inlet of student's feed-tank, draining on flooring.
The technical scheme adopted for the correctness realizing measuring sudden enlargement and reduce suddenly place's coefficient of shock resistance is: the coefficient of shock resistance measuring point I measuring sudden enlargement selected before the critical section of sudden enlargement, and measuring point II selects after the critical section of sudden enlargement; Suddenly the coefficient of shock resistance measuring point IV reduced selected before the critical section reduced suddenly, and measuring point V selects after the critical section reduced suddenly; The violent turbulent fluctuation of critical section can be avoided the impact of experimental result, guarantee sudden enlargement and reduce suddenly the correctness that coefficient of shock resistance measures, and be unlikely to occur experimental result and the inconsistent phenomenon of actual liquid energy equation.
For convenience of the plumbing of water tank, arrange water feed apparatus, comprise on water tank wall and increase inlet opening, arrange water inlet pipe, facilitate the water inlet of water tank to be connected with the water supply system of building at the top of low flush tank, water inlet pipe end adds the ball-cock assembly controlling water inlet; Bottom arranges weep hole, facilitates the draining of water tank to be connected with the unwatering system of building; Below inlet opening, the below of the 2.5 times of water inlet pipe diameters in distance inlet opening adds overflow mechanism; Comprise spout hole and run-down pipe, the diameter one-level larger than the diameter of water inlet pipe of run-down pipe, and run-down pipe is connected with the unwatering system of building, avoids the water of water tank to overflow to flooring.
The beneficial effects of the utility model are: the utility model is by measuring multiple measuring point, ensure that the correctness of experimental result, and ensure that experiment conclusion is consistent with the energy equation of actual liquid, be provided with inlet opening, spout hole and weep hole simultaneously, not only ensure that experimental provision water is stablized.Can recycle and reuse, the water waste that can avoid too much supplies water simultaneously causes and the problem of draining inconvenience simultaneously, avoid water and be spread across and ground cause the pollution on ground, laboratory and cause ground to slide very much and the insecurity of generation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of low flush tank in the utility model.
Fig. 3 is the structural representation of water inlet pipe in the utility model.
Graphical indicia: 1, measuring point I, 2, measuring point II, 3, measuring point III, 4, measuring point IV, 5, measuring point V, 6, measuring point VI, 7, inlet opening, 8, spout hole, 9, weep hole, 10, ball-cock assembly.
Embodiment
Shown in Fig. 1, Fig. 2 and Fig. 3, embodiment is as follows:
A kind of novel local resistance coefficient determination experiment device, comprise elevated tank, water leg and low flush tank, elevated tank is arranged on the top of low flush tank, water pump is connected with so that by the water suction elevated tank in low flush tank between elevated tank and low flush tank, be connected with between elevated tank water delivering orifice and water leg water inlet to measure and manage, described mensuration pipe is reducer pipe, measure on pipe and offer a plurality of measuring point so that mensuration flows through the water flow data of each measuring point to obtain complete data message, water leg water delivering orifice is communicated with low flush tank by water pipe so that recycle and reuse water, described low flush tank also offers inlet opening 7, weep hole 9 and spout hole 8, inlet opening 7 is positioned on low flush tank sidewall and is connected with water source by water supply installation, inlet opening 7 is provided with one section of water inlet pipe stretched in low flush tank, water inlet pipe end is provided with the ball-cock assembly 10 controlling water supply installation output, weep hole 9 to be positioned at bottom low flush tank and to be connected with unwatering system, spout hole 8 is lower than inlet opening, to be on sidewall that spout hole is positioned at low flush tank and spout hole 8 center line and the spacing at the bottom of low flush tank case are less than inlet opening 7 center line and the spacing at the bottom of low flush tank case, spout hole 8 is connected to avoid water to flow on flooring with unwatering system by run-down pipe.
It is reducer pipe that section both sides, large footpath are path section in the middle of described mensuration Guan Weiyi, the diameter of large footpath section is greater than the diameter of path section, and mensuration pipe is provided with six measuring points, six measuring points are respectively measuring point I1, measuring point II2, measuring point III3, measuring point IV4, measuring point V5 and measuring point VI6, measuring point I1 is positioned in the path section of one end of close elevated tank on reducer pipe, and measuring point I1 is positioned on one end of close large footpath section in path section, measuring point II2, measuring point III3 and measuring point IV4 lays respectively in the section of large footpath, and measuring point III3 is positioned at the centre position of large footpath section, measuring point II2 and measuring point IV4 lays respectively on one end of close path section in the section of large footpath, measuring point V5 and measuring point VI6 is positioned in the path section of water leg side, measuring point V5 is positioned on one end of close large footpath section in path section, measuring point VI6 is positioned in path section away from one end of large footpath section.
Described water source is the supply channel in laboratory, and described unwatering system is the discharge pipe line in laboratory.
Distance between described spout hole 8 center line and inlet opening 7 center line is 2.5 times of water inlet pipe diameter.
The diameter of described run-down pipe is greater than the diameter of water inlet pipe.
When measuring the coefficient of shock resistance of sudden enlargement, appropriate point position is selected to guarantee the correctness of experimental result, and ensure that experiment conclusion is consistent with the energy equation of actual liquid, and in low flush tank, add water feed apparatus, weep hole and overflow mechanism to facilitate the plumbing of experimental provision, avoid the phenomenon because of carelessness water is spread across when the water inlet of student's feed-tank, draining on flooring.
The technical scheme adopted for the correctness realizing measuring sudden enlargement and reduce suddenly place's coefficient of shock resistance is: the coefficient of shock resistance measuring point 1 measuring sudden enlargement is selected before the critical section of sudden enlargement, and measuring point 2 is selected after the critical section of sudden enlargement; Suddenly the coefficient of shock resistance measuring point 4 reduced is selected before the critical section reduced suddenly, and measuring point 5 is selected after the critical section reduced suddenly; The violent turbulent fluctuation of critical section can be avoided the impact of experimental result, guarantee sudden enlargement and reduce suddenly the correctness that coefficient of shock resistance measures, and be unlikely to occur experimental result and the inconsistent phenomenon of actual liquid energy equation.
For convenience of the plumbing of water tank, arrange water feed apparatus, comprise on water tank wall and increase inlet opening, arrange water inlet pipe, facilitate the water inlet of water tank to be connected with the water supply system of building at the top of low flush tank, water inlet pipe end adds the ball-cock assembly controlling water inlet; Bottom arranges weep hole, facilitates the draining of water tank to be connected with the unwatering system of building; Below inlet opening, the below of the 2.5 times of water inlet pipe diameters in distance inlet opening adds overflow mechanism; Comprise spout hole and run-down pipe, the diameter one-level larger than the diameter of water inlet pipe of run-down pipe, and run-down pipe is connected with the unwatering system of building, avoids the water of water tank to overflow to flooring.
Technical scheme cited by the utility model and embodiment be not restriction, be equal to the technical scheme cited by the utility model and embodiment or effect same approach all in the scope that the utility model is protected.
Claims (5)
1. a novel local resistance coefficient determination experiment device, it is characterized in that: comprise elevated tank, water leg and low flush tank, elevated tank is arranged on the top of low flush tank, water pump is connected with so that by the water suction elevated tank in low flush tank between elevated tank and low flush tank, be connected with between elevated tank water delivering orifice and water leg water inlet to measure and manage, described mensuration pipe is reducer pipe, measure on pipe and offer a plurality of measuring point so that mensuration flows through the water flow data of each measuring point to obtain complete data message, water leg water delivering orifice is communicated with low flush tank by water pipe so that recycle and reuse water, described low flush tank also offers inlet opening (7), weep hole (9) and spout hole (8), inlet opening (7) is positioned on low flush tank sidewall and is connected with water source by water supply installation, inlet opening (7) is provided with one section of water inlet pipe stretched in low flush tank, water inlet pipe end is provided with the ball-cock assembly (10) controlling water supply installation output, weep hole (9) to be positioned at bottom low flush tank and to be connected with unwatering system, on the sidewall that spout hole (8) is positioned at low flush tank and spout hole (8) lower than inlet opening (7), spout hole (8) is connected with unwatering system by run-down pipe.
2. a kind of novel local resistance coefficient determination experiment device according to claim 1, it is characterized in that: be reducer pipe that section both sides, large footpath are path section in the middle of described mensuration Guan Weiyi, and mensuration pipe is provided with six measuring points, six measuring points are respectively measuring point I(1), measuring point II(2), measuring point III(3), measuring point IV(4), measuring point V(5) and measuring point VI(6), measuring point I(1) be positioned in the path section of one end of close elevated tank on reducer pipe, and measuring point I(1) be positioned on one end of close large footpath section in path section, measuring point II(2), measuring point III(3) and measuring point IV(4) lay respectively in the section of large footpath, and measuring point III(3) be positioned at the centre position of large footpath section, measuring point II(2) and measuring point IV(4) lay respectively on one end of close path section in the section of large footpath, measuring point V(5) and measuring point VI(6) be positioned in the path section of water leg side, measuring point V(5) be positioned on one end of close large footpath section in path section, measuring point VI(6) be positioned in path section away from one end of large footpath section.
3. a kind of novel local resistance coefficient determination experiment device according to claim 1, it is characterized in that: described water source is the supply channel in laboratory, described unwatering system is the discharge pipe line in laboratory.
4. a kind of novel local resistance coefficient determination experiment device according to claim 1, is characterized in that: the distance between described spout hole (8) center line and inlet opening (7) center line is 2.5 times of water inlet pipe diameter.
5. a kind of novel local resistance coefficient determination experiment device according to claim 1, is characterized in that: the diameter of described run-down pipe is greater than the diameter of water inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400291.3U CN204649347U (en) | 2015-06-11 | 2015-06-11 | A kind of novel local resistance coefficient determination experiment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520400291.3U CN204649347U (en) | 2015-06-11 | 2015-06-11 | A kind of novel local resistance coefficient determination experiment device |
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| CN204649347U true CN204649347U (en) | 2015-09-16 |
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| CN201520400291.3U Expired - Fee Related CN204649347U (en) | 2015-06-11 | 2015-06-11 | A kind of novel local resistance coefficient determination experiment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865004A (en) * | 2015-06-11 | 2015-08-26 | 洛阳理工学院 | Novel local resistance factor measuring experiment device |
| 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 |
| CN106644374A (en) * | 2016-09-19 | 2017-05-10 | 江苏亨通海洋光网***有限公司 | Test method for testing hydrodynamic constants |
-
2015
- 2015-06-11 CN CN201520400291.3U patent/CN204649347U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865004A (en) * | 2015-06-11 | 2015-08-26 | 洛阳理工学院 | Novel local resistance factor measuring experiment device |
| CN104865004B (en) * | 2015-06-11 | 2017-03-29 | 洛阳理工学院 | A kind of coefficient of partial resistance determination experiment device |
| CN106644374A (en) * | 2016-09-19 | 2017-05-10 | 江苏亨通海洋光网***有限公司 | Test method for testing hydrodynamic constants |
| CN106644374B (en) * | 2016-09-19 | 2018-11-16 | 江苏亨通海洋光网***有限公司 | A kind of test method of hydrodynamic(al) force constant |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20160611 |