CN103411777A - Cylinder block flow resistance measurement system - Google Patents
Cylinder block flow resistance measurement system Download PDFInfo
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- CN103411777A CN103411777A CN2013102810988A CN201310281098A CN103411777A CN 103411777 A CN103411777 A CN 103411777A CN 2013102810988 A CN2013102810988 A CN 2013102810988A CN 201310281098 A CN201310281098 A CN 201310281098A CN 103411777 A CN103411777 A CN 103411777A
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Abstract
The invention discloses a cylinder block flow resistance measurement system which includes: a water storage tank, a cylinder block water inlet pipe, a cylinder block water outlet pipe assembly, a pressure sensor, and a recorder. One end of the cylinder block water inlet pipe is communicated with the water storage tank through a water inlet pipe, and the water inlet pipe is provided with a controllable flow pump; one end of the cylinder block water outlet pipe assembly is communicated with the water storage tank through a water outlet pipe, and the water outlet pipe is provided with a flow sensor; the pressure sensor is respectively arranged at each cylinder block water inlet pipe of the cylinder block water inlet pipe and at each cylinder block water outlet pipe of the cylinder block water outlet pipe assembly; and the recorder is respectively connected to the output end of each pressure sensor. The cylinder block flow resistance measurement system uses the cylinder block water inlet pipe and the cylinder block water outlet pipe, which are arranged respectively at the cooling water inlet channel and at the cooling water outlet channel of the cylinder block, to accurately measure the water inlet/outlet pressure of the cooling water inlet channel of the cylinder block, to stabilize the water inlet flow and the water outlet flow, and to be capable of accurately measuring the water inlet/outlet pressure of the cooling water inlet channel of the cylinder block.
Description
Technical field
The present invention relates to engine art, particularly a kind of cylinder block flow resistance measuring system.
Background technology
At present, the cylinder block flow resistance refers to the flow through resistance of cylinder block cooling water channel of the liquid coolant of cylinder block cooling system, in order accurately to calculate the cylinder block flow resistance, needs Measurement accuracy cylinder block cooling water channel intake pressure and top hole pressure.
But the available engine structure is very compact, and the rising pipe of cylinder block cooling water channel moves towards irregular, makes cylinder block cooling water channel complexity, and between cylinder block and cylinder block, distance is too small, makes the chilled water can't be in cylinder block cooling water channel import steady flow.This has caused very big difficulty for Measurement accuracy cylinder block cooling water channel intake pressure and top hole pressure, thereby can't further accurately calculate the cylinder block flow resistance.
Summary of the invention
The present invention is in order to overcome defect in above-mentioned prior art, provide a kind of simple and reasonable, cylinder block water inlet pipe and the cylinder block outlet pipe component of Measurement accuracy cylinder block cooling water channel water-in and water-out pressure are convenient in employing in the setting of cylinder block cooling water channel entery and delivery port, stablize the cylinder block water inlet, gone out water flow, can accurately calculate the cylinder block flow resistance measuring system of cylinder block flow resistance.
For achieving the above object, according to the invention provides a kind of cylinder block flow resistance measuring system, comprising:
Reserve tank, the liquid coolant of measuring be used to holding the cylinder block flow resistance;
The cylinder block water inlet pipe, it is the internal orifice dimension straight pipe consistent with the water inlet bore of cylinder block to be measured, and an end is communicated with the water inlet of cylinder block, and the other end is taken over reserve tank and is communicated with by water inlet, and described water inlet is provided with the flow-controllable water pump on taking over;
The cylinder block outlet pipe component, it comprises and the water delivering orifice of cylinder block to be measured many cylinder block rising pipes of corresponding connection one by one, and each root cylinder block rising pipe is straight, internal aperture is consistent with the water outlet aperture of cylinder block; One end of cylinder block outlet pipe component is communicated with reserve tank by the water outlet adapter, and water outlet is provided with flow sensor on taking over;
Pressure transducer, be separately positioned on each root cylinder block rising pipe of cylinder block water inlet pipe and cylinder block outlet pipe component;
Register, be connected with the output terminal of each pressure transducer respectively, be used to recording the coolant pressure value of preserving cylinder block water inlet pipe, cylinder block outlet pipe component.
In technique scheme, the cylinder block water inlet pipe arranges by the water inlet shape of the cylinder block be communicated with it; Each root cylinder block rising pipe of cylinder block outlet pipe component arranges by the water delivering orifice shape of the cylinder block be communicated with it respectively.
In technique scheme, the length of cylinder block water inlet pipe is equal to or greater than 8 times of its endoporus aperture; The length of each root cylinder block rising pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder block rising pipe.
In technique scheme, the cylinder block water inlet pipe offers the shoulder hole vertical with its axis with the middle part of Ge Gen cylinder block rising pipe, and the external macro pores of this shoulder hole is for installing with pressure transducer the threaded hole that threaded engagement is spirally connected, and its inner aperture is pick-up hole.
In technique scheme, the diameter of pick-up hole is 3mm.
In technique scheme, pressure transducer is connected with cylinder block water inlet pipe or each root cylinder block rising pipe by the guide pressure pipe.
In technique scheme, effective internal diameter that water inlet is taken over is suitable with the internal diameter of cylinder block water inlet pipe, and effective internal diameter that water outlet is taken over is suitable with each root cylinder block rising pipe internal diameter summation of cylinder block outlet pipe component.
In technique scheme, the water inlet adapter needs rounding off with being connected of water pump and cylinder block water inlet pipe; The water outlet adapter needs rounding off with being connected of flow sensor and cylinder block outlet pipe component.
Compared with prior art, the present invention has following beneficial effect: this cylinder block flow resistance measuring system adopts cylinder block water inlet pipe and the cylinder block outlet pipe component of being convenient to Measurement accuracy cylinder block cooling water channel water-in and water-out pressure in the setting of cylinder block cooling water channel entery and delivery port, stablize the cylinder block water inlet, gone out water flow, can Measurement accuracy cylinder block cooling water channel water-in and water-out pressure, and calculating the cylinder block flow resistance, measuring accuracy is high.
The accompanying drawing explanation
Fig. 1 is the structural representation of cylinder block flow resistance measuring system of the present invention;
Fig. 2 is the structural representation of the cylinder block outlet pipe component of cylinder block flow resistance measuring system of the present invention;
Fig. 3 is the structural representation of cylinder block water inlet pipe (or the cylinder block outlet pipe component) pick-up hole of cylinder block flow resistance measuring system of the present invention;
Description of reference numerals:
The adapter of intaking of 1-cylinder block, 2-reserve tank, 3-water pump, 4-cylinder block water inlet pipe, 41-, 5-cylinder block outlet pipe component, the 51-water outlet is taken over, 52-flow sensor, 6-register, 7-pressure transducer, 71-threaded hole, 72-pick-up hole.
Embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention is not subjected to the restriction of embodiment.It will be appreciated that, mentioned in following embodiment of the present invention " on ", D score, " left side ", " right side ", " front " and " reverse side " all take the direction shown in each figure and be benchmark, these words that are used for limiting direction are only for convenience of explanation, do not represent the restriction to the concrete technical scheme of the present invention.
Cylinder block flow resistance measuring system of the present invention adopts cylinder block water inlet pipe and the cylinder block outlet pipe component of being convenient to Measurement accuracy cylinder block cooling water channel water-in and water-out pressure in the setting of cylinder block cooling water channel entery and delivery port, stablize the cylinder block water inlet, gone out water flow, can accurately calculate the cylinder block flow resistance.
As shown in Figure 1 to Figure 3, for intake pressure, the discharge pressure of accurately measuring engine cylinder block 1 cooling water channel, respectively at the water inlet of cylinder block 1, cylinder block water inlet pipe, the cylinder block outlet pipe component that water delivering orifice is provided for stationary flow.The concrete structure of this cylinder block flow resistance measuring system comprises: reserve tank 2, water pump 3, cylinder block water inlet pipe 4, cylinder block outlet pipe component 5 and register 6, and be separately positioned on the pressure transducer 7 on cylinder block water inlet pipe 4, cylinder block outlet pipe component 5.Wherein, the water inlet end of the water side of cylinder block water inlet pipe 4 and cylinder block outlet pipe component 5 is communicated with water inlet, the water delivering orifice of cylinder block 1 respectively, the liquid coolant that is used for accepting the cylinder block cooling system is to stablize its current, and 7 pairs of water flow pressure of pressure transducer (cylinder block cooling water channel water-in and water-out pressure) of being convenient to be arranged on cylinder block water inlet pipe 4, cylinder block outlet pipe component 5 are measured.The water side of the water inlet end of cylinder block water inlet pipe 4 and cylinder block outlet pipe component 5 is taken over 51 by corresponding water inlet adapter 41, water outlet and with water delivering orifice, the water inlet of reserve tank 2, is communicated with respectively, water pump 3 is arranged on into water and takes on 41, for controlling the flow that is entered cylinder block water inlet pipe 4 by reserve tank 2.Water outlet is taken on 51 and also is provided with flow sensor 52, and be used to measuring the flow of cylinder block cooling system liquid coolant, the resistance of the flow sensor that flow sensor 52 is selected is as far as possible little and range is suitable.
The liquid coolant that reserve tank 2 is measured be used to holding the cylinder block flow resistance, it constantly circulates successively as liquid coolant between cylinder block water inlet pipe 4, cylinder block 1 and cylinder block outlet pipe component 5 starting point and terminal.
Water pump 3 is the flow-controllable water pump, is arranged on into water and takes on 41, for controlling the flow that is entered cylinder block water inlet pipe 4 by reserve tank 2.
As shown in Figures 2 and 3, cylinder block water inlet pipe 4 is the internal orifice dimension straight pipe consistent with the water inlet bore of cylinder block to be measured, one end is communicated with the water inlet of cylinder block, and the other end is taken over reserve tank and is communicated with by water inlet, and water inlet is provided with the flow-controllable water pump on taking over; And respectively by the water inlet shape setting of cylinder block 1, the length of cylinder block water inlet pipe is equal to or greater than 8 times of cylinder block water inlet pipe endoporus aperture.The middle part of cylinder block water inlet pipe offers the shoulder hole vertical with its axis, and the external macro pores of this shoulder hole is threaded hole 71, for pressure transducer, threaded engagement being installed, is spirally connected, pressure transducer 7 is fixed to cylinder block water inlet pipe middle part; The inner aperture of this shoulder hole is pick-up hole 72, and diameter is preferably 3mm, and pressure transducer 7 detects by the pressure of 72 pairs of cylinder block water inlet pipe 4 interior liquid coolants of pick-up hole.Pressure transducer 7 can also be connected with the cylinder block water inlet pipe by the guide pressure pipe, and its range should be selected suitably.
Equally, cylinder block outlet pipe component 5 comprises and a plurality of water delivering orifices of cylinder block 1 many cylinder block rising pipes one to one, and the water delivering orifice shape of pressing respectively cylinder block 1 arranges, and each root cylinder block rising pipe is straight, internal aperture is consistent with the water outlet aperture of cylinder block 1, and the length of each root cylinder block rising pipe is equal to or greater than 8 times of maximum endoporus in the cylinder block rising pipe.The middle part of each root cylinder block rising pipe offers the shoulder hole vertical with its axis, and the external macro pores of this shoulder hole is threaded hole, for pressure transducer, threaded engagement being installed, is spirally connected, pressure transducer 7 is fixed to each root cylinder block rising pipe middle part; The inner aperture of this shoulder hole is pick-up hole, and diameter is preferably 3mm, and pressure transducer 7 detects by the pressure of pick-up hole to cylinder block outlet pipe component 5 interior liquid coolants.Pressure transducer 7 can also be by being connected of pilot solenoid and each root cylinder block rising pipe, and its range should be selected suitably.
In addition, in order to meet cylinder block 1 water channel drag measurement, the reserve tank 2 that needs the selection capacity to be applicable to, effective internal diameter of water inlet adapter 41 is suitable with the internal diameter of cylinder block water inlet pipe 4, and it needs rounding off with being connected of water pump 3 and cylinder block water inlet pipe 4, affect piezometry to avoid producing turbulent flow in the coolant flow process.Effective internal diameter of water outlet adapter 51 is suitable with each root cylinder block rising pipe internal diameter summation of cylinder block outlet pipe component 5, and it needs rounding off with being connected of flow sensor 52 and cylinder block outlet pipe component 5, affect piezometry to avoid producing turbulent flow in the coolant flow process.
Register 6 is connected with the output terminal of each pressure transducer 7 respectively, be used to recording the force value of preserving cylinder block water inlet pipe 4, cylinder block outlet pipe component 5.Like this, set the test cooling water flow at the cooling water flow weight range of covering engine work, the cylinder block intake pressure is measured in the cylinder block water inlet pipe 4 of waterflow stabilization, the cylinder block discharge pressure is measured in the cylinder block outlet pipe component 5 of waterflow stabilization.Measured value is preserved in register 6, just can calculate accurately the cylinder block flow resistance according to measured value.
While measuring the cylinder block flow resistance, water pump 3 is controlled flow, through water inlet take over 41 liquid coolant from reserve tank 2, extracting out, liquid coolant is in 4 steady flows of cylinder block water inlet pipe, and then deliver to cylinder block 1, liquid coolant from cylinder block 1 out after in 5 steady flows of cylinder block outlet pipe component, finally by water outlet, take over 51 and be back to reserve tank 2.Chilled water constantly circulates like this successively between cylinder block water inlet pipe 4, cylinder block 1, cylinder block outlet pipe component 5, and measures by the pressure of 7 pairs of cylinder block water inlet pipes 4 of pressure transducer, cylinder block outlet pipe component 5.
To sum up, this cylinder block flow resistance measuring system adopts cylinder block water inlet pipe and the cylinder block outlet pipe component of being convenient to Measurement accuracy cylinder block cooling water channel water-in and water-out pressure in the setting of cylinder block cooling water channel entery and delivery port, stablize the cylinder block water inlet, gone out water flow, can Measurement accuracy cylinder block cooling water channel water-in and water-out pressure, and calculating the cylinder block flow resistance, measuring accuracy is high.
Above disclosed be only several specific embodiment of the present invention, still, the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. a cylinder block flow resistance measuring system, is characterized in that, comprising:
Reserve tank, the liquid coolant of measuring be used to holding the cylinder block flow resistance;
The cylinder block water inlet pipe, it is the internal orifice dimension straight pipe consistent with the water inlet bore of cylinder block to be measured, and an end is communicated with the water inlet of cylinder block, and the other end is taken over reserve tank and is communicated with by water inlet, and described water inlet is provided with the flow-controllable water pump on taking over;
The cylinder block outlet pipe component, it comprises and the water delivering orifice of cylinder block to be measured many cylinder block rising pipes of corresponding connection one by one, and each root cylinder block rising pipe is straight, internal aperture is consistent with the water outlet aperture of described cylinder block; One end of cylinder block outlet pipe component is communicated with reserve tank by the water outlet adapter, and described water outlet is provided with flow sensor on taking over;
Pressure transducer, be separately positioned on each root cylinder block rising pipe of cylinder block water inlet pipe and cylinder block outlet pipe component;
Register, be connected with the output terminal of each pressure transducer respectively, be used to recording the coolant pressure value of preserving cylinder block water inlet pipe, cylinder block outlet pipe component.
2. cylinder block flow resistance measuring system according to claim 1 is characterized in that: described cylinder block water inlet pipe arranges by the water inlet shape of the cylinder block be communicated with it; Each root cylinder block rising pipe of described cylinder block outlet pipe component arranges by the water delivering orifice shape of the cylinder block be communicated with it respectively.
3. cylinder block flow resistance measuring system according to claim 1, it is characterized in that: the length of described cylinder block water inlet pipe is equal to or greater than 8 times of its endoporus aperture; The length of described each root cylinder block rising pipe is equal to or greater than 8 times of maximum endoporus aperture in the cylinder block rising pipe.
4. cylinder block flow resistance measuring system according to claim 1, it is characterized in that: described cylinder block water inlet pipe offers the shoulder hole vertical with its axis with the middle part of Ge Gen cylinder block rising pipe, the external macro pores of this shoulder hole is for installing with pressure transducer the threaded hole that threaded engagement is spirally connected, and its inner aperture is pick-up hole.
5. cylinder block flow resistance measuring system according to claim 4, it is characterized in that: the diameter of described pick-up hole is 3mm.
6. cylinder block flow resistance measuring system according to claim 1, it is characterized in that: described pressure transducer is connected with described cylinder block water inlet pipe or each root cylinder block rising pipe by the guide pressure pipe.
7. according to the described cylinder block flow resistance of any one in claim 1 to 6 measuring system, it is characterized in that: effective internal diameter that described water inlet is taken over is suitable with the internal diameter of cylinder block water inlet pipe, and effective internal diameter that described water outlet is taken over is suitable with each root cylinder block rising pipe internal diameter summation of cylinder block outlet pipe component.
8. cylinder block flow resistance measuring system according to claim 7, it is characterized in that: described water inlet adapter needs rounding off with being connected of water pump and cylinder block water inlet pipe; Described water outlet adapter needs rounding off with being connected of flow sensor and cylinder block outlet pipe component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310281098.8A CN103411777B (en) | 2013-07-05 | 2013-07-05 | Cylinder block flow resistance measurement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310281098.8A CN103411777B (en) | 2013-07-05 | 2013-07-05 | Cylinder block flow resistance measurement system |
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| CN103411777A true CN103411777A (en) | 2013-11-27 |
| CN103411777B CN103411777B (en) | 2015-12-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198048A (en) * | 2016-07-06 | 2016-12-07 | 浙江大学 | Cooling system of vehicle cold collateral resistance simulation test experiment platform and method thereof |
| CN109238380A (en) * | 2018-09-12 | 2019-01-18 | 宁波腾隆户外用品有限公司 | Liquid cooling part detection device |
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| US5889351A (en) * | 1994-11-25 | 1999-03-30 | Ngk Insulators, Ltd. | Device for measuring viscosity and device for measuring characteristics of fluid |
| RU2324919C1 (en) * | 2006-11-29 | 2008-05-20 | Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия | Device for measuring material viscosity |
| CN201955287U (en) * | 2011-01-05 | 2011-08-31 | 东南大学 | Device for testing flowing performance of blood flow at lesion position implanted with vascular stent |
| CN203337387U (en) * | 2013-07-05 | 2013-12-11 | 广西玉柴机器股份有限公司 | Cylinder body flow resistance measurement system |
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2013
- 2013-07-05 CN CN201310281098.8A patent/CN103411777B/en active Active
Patent Citations (4)
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|---|---|---|---|---|
| US5889351A (en) * | 1994-11-25 | 1999-03-30 | Ngk Insulators, Ltd. | Device for measuring viscosity and device for measuring characteristics of fluid |
| RU2324919C1 (en) * | 2006-11-29 | 2008-05-20 | Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия | Device for measuring material viscosity |
| CN201955287U (en) * | 2011-01-05 | 2011-08-31 | 东南大学 | Device for testing flowing performance of blood flow at lesion position implanted with vascular stent |
| CN203337387U (en) * | 2013-07-05 | 2013-12-11 | 广西玉柴机器股份有限公司 | Cylinder body flow resistance measurement system |
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| 萧田嵘: "《民用供暖散热器》", 31 May 1996, article "水流阻力试验" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198048A (en) * | 2016-07-06 | 2016-12-07 | 浙江大学 | Cooling system of vehicle cold collateral resistance simulation test experiment platform and method thereof |
| CN106198048B (en) * | 2016-07-06 | 2019-02-05 | 浙江大学 | Cooling system of vehicle cold side resistance simulation is test bed and its method |
| CN109238380A (en) * | 2018-09-12 | 2019-01-18 | 宁波腾隆户外用品有限公司 | Liquid cooling part detection device |
| CN109238380B (en) * | 2018-09-12 | 2024-09-20 | 宁波沃伏龙机电有限公司 | Liquid cooling spare detection device |
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| CN103411777B (en) | 2015-12-09 |
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