CN103850775A - Engine cooling system based on phase change fluid/water - Google Patents
Engine cooling system based on phase change fluid/water Download PDFInfo
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- CN103850775A CN103850775A CN201410114126.1A CN201410114126A CN103850775A CN 103850775 A CN103850775 A CN 103850775A CN 201410114126 A CN201410114126 A CN 201410114126A CN 103850775 A CN103850775 A CN 103850775A
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- cooling
- phase change
- engine
- change fluid
- water
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Abstract
The invention discloses an engine cooling system based on phase change fluid/water. The engine cooling system comprises an engine and a cooling-water cooling system, wherein the cooling-water cooling system comprises a first pump, a first adjustment valve and a heat exchanger; the first pump is communicated with the first adjustment valve and the heat exchanger respectively; a cooling water inlet is formed in an engine body of the engine; a cooling cavity is formed between the engine body of the engine and a cylinder sleeve; the cooling water inlet is communicated with the cooling cavity; a cooling water outlet is formed in a cylinder cover of the engine; the first adjustment valve is communicated with the cooling water inlet; the cooling water outlet is communicated with the heat exchanger; the engine cooling system based on the phase change fluid/water is characterized by being provided with a phase change fluid cooling system; the phase change fluid cooling system comprises a second pump and a second adjustment valve; a spiral cooling pipe is fixedly arranged in the cooling cavity; the second pump is communicated with the second adjustment valve and the heat exchanger respectively; the second adjustment valve is communicated with an inlet of the cooling pipe; an outlet of the cooling pipe is communicated with the heat exchanger. The engine cooling system has the advantages that the circulating flow of a cooling medium is greatly reduced, pump consumption is reduced, and an energy-saving effect is achieved; meanwhile, the phase change fluid absorbs heat in the engine in a phase change latent heat manner; the temperature of the cylinder body of the engine is more uniform as the temperature region of a phase change material is narrower.
Description
Technical field
The present invention relates to the cooling system of motor, relate in particular to a kind of engine-cooling system based on phase change fluid/water.
Background technique
At present, powerful engine-cooling system greatly mainly with water as cooling medium, water temperature is substantially at 70-90 ℃, because cooling water in this temperature range does not undergo phase transition in course of conveying, the heat of carrying is sensible heat, heat memory density is low, so, under certain temperature difference cooling water per unit volume fluid the heat that can " carry " very limited.This is for high power engine and the very high occasion of other transfer heat demand, and required cooling water flow is very large, and this not only causes whole cooling system huge, and need to consume a large amount of transfer pump merits.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of flow of cooling medium, engine-cooling system based on phase change fluid/water of minimizing pump consumption saved.
The present invention solves the problems of the technologies described above adopted technological scheme: a kind of engine-cooling system based on phase change fluid/water, comprise motor, water quench system and phase change fluid cooling system, described water quench system comprises the first pump, the first modulating valve and heat exchanger, the first described pump is connected with described the first modulating valve and described heat exchanger respectively, on the body of described motor, be provided with cooling water inlet, between the body of described motor and cylinder sleeve, be provided with cooling chamber, described cooling water inlet is connected with described cooling chamber, on the cylinder cap of described motor, be provided with coolant outlet, the first described modulating valve is connected with described cooling water inlet, described coolant outlet is connected with described heat exchanger, described phase change fluid cooling system comprises the second pump and the second modulating valve, in described cooling chamber, be fixedly installed spiral helicine for passing into the cooling tube of phase change fluid, the second described pump is connected with described the second modulating valve and described heat exchanger respectively, the second described modulating valve is connected with the import of described cooling tube, the outlet of described cooling tube is connected with described heat exchanger.
The second described modulating valve is ratio adjusting valve, the outlet port of described cooling tube is provided with temperature controller, ratio adjusting valve described in described temperature controller control, when the temperature of phase change fluid that flows out cooling tube outlet still in phase change zone in time, temperature controller can be controlled the aperture of ratio adjusting valve, turn the flow of phase change fluid in phase change fluid cooling system down, make the temperature of the phase change fluid that flows out cooling tube higher than the maximum temperature between phase change zone, thereby maximally utilise the latent heat of phase change of phase change fluid.
The temperature range of described cooling chamber is 70～90 ℃.
Described cooling tube is unsettled to be arranged in described cooling chamber or to be attached on the outer wall of described cylinder sleeve, in the time that cooling tube is attached on the outer wall of cylinder sleeve, better to the cooling effect of motor.
Described heat exchanger is shell-and-tube heat exchanger, is provided with two separate heat exchange pipelines and is respectively used to cooling and phase change fluid cooling of cooling water in described shell-and-tube heat exchanger.
The phase change fluid using in described phase change fluid cooling system is for phase change paraffin microemulsion, phase change paraffin microcapsule suspensions or other phase transition temperature interval are at the phase change fluid of 70～90 ℃.
In described phase change fluid cooling system, be provided with liquid tank, between the outlet of the cooling tube described in described liquid tank is connected to by bleeder valve and described heat exchanger, in the time of maintenance motor, the phase change fluid in recyclable phase change fluid cooling system.
Described a kind of engine-cooling system based on phase change fluid/water, be provided with expansion tank, in described expansion tank, be provided with demarcation strip expansion tank is divided into two inner chambers, inner chamber in described expansion tank respectively with the first described modulating valve, described the second modulating valve corresponding being connected one by one, when the cooling liquid in cooling system (cooling water and phase change fluid) adds after thermal expansion, can be discharged in expansion tank.
Compared with prior art, advantage of the present invention is owing to being provided with phase change fluid cooling system, in motor, pass into phase change fluid as cooling medium, under the identical density of heat flow rate of motor, because the heat-carrying density of phase change fluid is large, can greatly save the circular flow of cooling medium, reduce pump consumption, there is energy-saving effect; Meanwhile, phase change fluid absorbs heat with latent heat of phase change form in motor, because the temperature range of phase-change material is narrower, makes the temperature of engine cylinder-body more equal; Again because water quench system and phase change fluid cooling system are two independent cooling subsystems of controlling, it regulates controls flexibly and easily, and maintenance is convenient; In addition, in cooling chamber cooling tube being arranged between body and the cylinder sleeve of motor, when work, cooling tube is immersed in the cooling water that passes into motor, utilize in-engine cooling water heating phase change fluid that it is undergone phase transition and absorbed a large amount of latent heat, with net income with phase change fluid carry out cooling compared with, avoid phase change fluid particle to be attached on the wall of cylinder sleeve of engine and affected the heat transfer of cylinder sleeve, thereby prevent engine overheat and produce danger, also reduced the cooling cost of motor simultaneously.
Accompanying drawing explanation
Fig. 1 is linkage structure schematic diagram of the present invention;
Fig. 2 is in-engine cooling structure sketch of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in the figure, a kind of engine-cooling system based on phase change fluid/water, comprise motor 1, water quench system, phase change fluid cooling system and expansion tank 9, water quench system comprises the first pump 2, the first modulating valve 3 and heat exchanger 4, the first pump 2 is connected with the first modulating valve 3 and heat exchanger 4 by pipeline respectively, on the body 11 of motor 1, be provided with cooling water inlet 12, between the body 11 of motor and cylinder sleeve 17, be provided with cooling chamber 13, cooling water inlet 12 is connected with cooling chamber 13, on the cylinder cap 14 of motor 1, be provided with coolant outlet 15, the first modulating valve 3 is connected by pipeline with cooling water inlet 12, coolant outlet 15 is connected by pipeline with heat exchanger 4, phase change fluid cooling system comprises the second pump 5, ratio adjusting valve 6, temperature controller 7 and liquid tank 8, in cooling chamber 13, be fixedly installed spiral helicine cooling tube 16, cooling tube 16 is unsettled to be fixedly installed in cooling chamber 13, the second pump 5 is connected with ratio adjusting valve 6 and heat exchanger 4 by pipeline respectively, ratio adjusting valve 6 is connected with the import 161 of cooling tube 16 by pipeline, the outlet 162 of cooling tube 16 is connected with heat exchanger 4 by pipeline, temperature controller 7 is connected to outlet 162 places of cooling tube 16, temperature controller 7 control ratio modulating valve 6, liquid tank 8 is connected to by bleeder valve 81 between the outlet 162 and heat exchanger 4 of cooling tube 16, in expansion tank 9, be provided with demarcation strip 91 expansion tank 9 is divided into two inner chambers, inner chamber in expansion tank 9 is respectively by pipeline and the first modulating valve 3, ratio adjusting valve 6 one by one correspondence is connected.
In above-described embodiment, when this engine-cooling system is in the time working, control the temperature of cooling chamber 13 in the interval of 70～90 ℃, the phase change fluid using in phase change fluid cooling system is for phase change paraffin microemulsion or phase change paraffin microcapsule suspensions or other phase transition temperature interval are at the phase change fluid of 70～90 ℃; Cooling tube 16 also can be attached on the outer wall of cylinder sleeve 17, makes the better cooling effect of acquisition of motor.
Described heat exchanger is shell-and-tube heat exchanger, is provided with two separate heat exchange pipelines and is respectively used to cooling and phase change fluid cooling of cooling water in described shell-and-tube heat exchanger.
Claims (8)
1. the engine-cooling system based on phase change fluid/water, comprise motor and water quench system, described water quench system comprises the first pump, the first modulating valve and heat exchanger, the first described pump is connected with described the first modulating valve and described heat exchanger respectively, on the body of described motor, be provided with cooling water inlet, between the body of described motor and cylinder sleeve, be provided with cooling chamber, described cooling water inlet is connected with described cooling chamber, on the cylinder cap of described motor, be provided with coolant outlet, the first described modulating valve is connected with described cooling water inlet, described coolant outlet is connected with described heat exchanger, it is characterized in that being provided with phase change fluid cooling system, described phase change fluid cooling system comprises the second pump and the second modulating valve, in described cooling chamber, be fixedly installed spiral helicine for passing into the cooling tube of phase change fluid, the second described pump is connected with described the second modulating valve and described heat exchanger respectively, the second described modulating valve is connected with the import of described cooling tube, the outlet of described cooling tube is connected with described heat exchanger.
2. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, it is characterized in that the second described modulating valve is ratio adjusting valve, the outlet port of described cooling tube is provided with temperature controller, the ratio adjusting valve described in described temperature controller control.
3. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, is characterized in that the temperature range of described cooling chamber is 70～90 ℃.
4. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, is characterized in that on the unsettled outer wall that is arranged on the cylinder sleeve in described cooling chamber or described in being attached to of described cooling tube.
5. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, it is characterized in that described heat exchanger is shell-and-tube heat exchanger, in described shell-and-tube heat exchanger, be provided with two separate heat exchange pipelines and be respectively used to cooling and phase change fluid cooling of cooling water.
6. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, is characterized in that the phase change fluid using in described phase change fluid cooling system is phase change paraffin microemulsion or phase change paraffin microcapsule suspensions.
7. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, it is characterized in that being provided with liquid tank in described phase change fluid cooling system, between the outlet of the cooling tube described in described liquid tank is connected to by bleeder valve and described heat exchanger.
8. a kind of engine-cooling system based on phase change fluid/water as claimed in claim 1, it is characterized in that being provided with expansion tank, in described expansion tank, be provided with demarcation strip expansion tank be divided into two inner chambers, the inner chamber in described expansion tank respectively with the first described modulating valve, described the second modulating valve corresponding being connected one by one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410114126.1A CN103850775B (en) | 2014-03-26 | 2014-03-26 | A kind of engine-cooling system based on phase change fluid and water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410114126.1A CN103850775B (en) | 2014-03-26 | 2014-03-26 | A kind of engine-cooling system based on phase change fluid and water |
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| CN103850775A true CN103850775A (en) | 2014-06-11 |
| CN103850775B CN103850775B (en) | 2016-02-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806884A (en) * | 2015-03-20 | 2015-07-29 | 湘潭电机股份有限公司 | Pressurizing system without liquid storing box and control method of system |
| CN110137620A (en) * | 2019-04-23 | 2019-08-16 | 江苏大学 | A kind of high security battery system and its control method based on memory metal |
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2014
- 2014-03-26 CN CN201410114126.1A patent/CN103850775B/en active Active
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| US4424776A (en) * | 1980-04-30 | 1984-01-10 | Transamerica Delaval Inc. | Fuel supply for a diesel engine |
| CN2858987Y (en) * | 2005-11-14 | 2007-01-17 | 昆明云内动力股份有限公司 | Cooling system for engine |
| CN101749096A (en) * | 2008-12-10 | 2010-06-23 | 曼商用车辆奥地利股份公司 | Drive unit with cooling circuit and separate heat recovery circuit |
| DE102010040829A1 (en) * | 2010-09-15 | 2012-03-15 | Bayerische Motoren Werke Aktiengesellschaft | Device for indirect inter-cooling of supercharged combustion engine for motor car, has primary heat exchanger through which primary coolant flows, where coolant comprises phase change material whose phase is changed at specified temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806884A (en) * | 2015-03-20 | 2015-07-29 | 湘潭电机股份有限公司 | Pressurizing system without liquid storing box and control method of system |
| CN110137620A (en) * | 2019-04-23 | 2019-08-16 | 江苏大学 | A kind of high security battery system and its control method based on memory metal |
Also Published As
| Publication number | Publication date |
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| CN103850775B (en) | 2016-02-24 |
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