CN2581229Y - Bench testing heat managing device for vehicle fuel battery engine - Google Patents
Bench testing heat managing device for vehicle fuel battery engine Download PDFInfo
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- CN2581229Y CN2581229Y CN 02289360 CN02289360U CN2581229Y CN 2581229 Y CN2581229 Y CN 2581229Y CN 02289360 CN02289360 CN 02289360 CN 02289360 U CN02289360 U CN 02289360U CN 2581229 Y CN2581229 Y CN 2581229Y
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- water
- fuel battery
- temperature
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- low temperature
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Abstract
The utility model relates to a bench testing heat managing device for a vehicle fuel battery engine, which belongs to the technical field of the heat management for a fuel battery vehicle. The device is a two-way circulating cooling system which is composed of a heat exchanger, a cooling tower, a water tank, a water pump, a valve, etc. The utility model is characterized in that a high temperature circulating water outlet end and a low temperature circulating water inlet end of the heat exchanger are respectively provided with a temperature sensor and a controller; a three-way valve is arranged on a pipeline of the low temperature circulating water inlet end for regulating the flow of low temperature circulating cooling water. In order to further regulate the temperature of the cooling water entering low temperature circulation, one end of the three-way valve is connected with the water pump and a tap water source by a voltage regulator. The valve is arranged between the three-way valve and the voltage regulator in order to regulate the mixing flow of tap water. The water outlet end of the cooling tower is provided with a pressure sensor and the controller so that the pressure of the tap water from a tap water pipe is equalized with the pressure of the cooling tower. The device is adopted to ensure the test of the fuel battery engine to safely and conveniently carry out.
Description
Technical field
The utility model relates to the heat management device of automobile-used Proton Exchange Membrane Fuel Cells engine rig test, belongs to fuel cell powered vehicle thermal management technology field.
Background technology
Fuel-cell vehicle is to have substituted traditional combustion engine powered system with fuel cell power system with respect to the key distinction of orthodox car, pem fuel cell stack is formed fuel battery engines with relevant ancillary system, and it is the core of fuel cell powered vehicle.The stand test of fuel battery engines is the important means that its performance is estimated and detected, and is an important step in the research of fuel cell power system and fuel cell powered vehicle, exploitation and the production.
Because usually the power of fuel cell has near 50% and is transformed into heat, the fuel battery engines heat dissipation capacity be traditional combustion engine 2.5-3 doubly.Meanwhile, the temperature when the fuel cell pack circulate cooling water inside leaves pile is about 80 ℃, and the temperature of getting back to pile should be controlled at about 70-75 ℃, and having a narrow range of temperature can guarantee that thermal drop is little, the pile better performances.Therefore, the heat radiation requirement of the big heat of the little temperature difference and coolant temperature and circumstance of temperature difference problem of smaller all cause the heat management difficulty bigger.Therefore, the heat management system of fuel cell experiments stand becomes fuel battery engines test cell essential important component.At present, the vehicle fuel battery engine stand test is carried out less at home and abroad, and the thermal management technology of T/S technology and T/S all is in the exploratory stage.
The target of fuel battery engines heat management is to keep fuel cell to pile up safe operation under the operating temperature of its optimum operation temperature and various test requests.The working contents of T/S heat management is that the heat to battery pile inner loop water carries out interchange of heat, takes away engine waste heat.
Usually, conventional engines stand heat management system can be divided into high temperature circulation and two parts of low temperature circulation.Cooling water expansion tank is taken away the used heat that burning is emitted by engine interior in high temperature circulation, and by heat exchanger used heat is passed to the water at low temperature circulation.Through heat release, the circulating water behind the drop in temperature reenters driving engine.In the water at low temperature circulation, cooling water expansion tank provides power to enter heat exchanger from cooling tower by pump, takes away the high temperature circulation transmission and next heat, and gets back to cooling tower and cool off.
The fuel battery engines heat exhaust is 2.5-3 a times of traditional combustion engine, and stack performance is to responsive to temperature, need control comparatively accurately the cooling water outlet and inlet water temperature, this makes the heat management system of conventional engines test cell be difficult to satisfy heat extraction and temperature controlled requirement.
The utility model content
The purpose of this utility model provides a kind of heat management device that is used for the vehicle fuel battery engine stand test, can realize the automatically regulating control of engine coolant temperature and flow, and the test of guarantee fuel battery engines is carried out.
The utility model is made up of parts such as heat exchanger, cooling tower, coolant storage tank, water pump, valve, voltage stabilizer, temperature sensor, pressure sensor and controllers.Fuel battery engines cooling water inlet and water pump join, and water pump links to each other with coolant storage tank, and the cooling water outlet end of fuel battery engines links to each other with the high temperature circulation entrance point of heat exchanger, and the exit end of high temperature circulation links to each other with coolant storage tank.The low temperature loop exit end of heat exchanger links to each other with the cooling tower water inlet end, and the water side of cooling tower links to each other with the low temperature circulation water inlet end of heat exchanger by water pump, constitutes a two-way on-cycle cooling system.In order to guarantee the optimum operation temperature of fuel cell, the temperature of control cooling water expansion tank, high temperature circulation water side and low temperature circulation water inlet end at heat exchanger are provided with temperature sensor and controller, and on the pipeline of low temperature circulation water inlet end, three-way valve is set, signal by temperature sensor comes the by-pass valve control aperture by controller, to regulate the flow of low temperature recirculated cooling water.For further regulating the temperature that enters the low temperature recirculated cooling water, one end of three-way valve links to each other with water source from the beginning by voltage stabilizer and water pump, one valve is set between triple valve and voltage stabilizer, signal by temperature sensor comes the by-pass valve control aperture by controller, to regulate the blending amount of tap water.For making running water pipe come the pressure of water balanced mutually with the pressure of cooling tower, in the water side of cooling tower one pressure sensor and controller are set, by the water pump of the pressure that records, and then regulate the interior pressure of voltage stabilizer, make it and the equilibrium mutually of cooling tower pressure by controller control tap water pipe line.
The regulation process of fuel battery engines cooling water temperature is as follows:
When ambient temperature is low, only come the water yield can guarantee the battery pile operating temperature by the control cooling tower.When ambient temperature is higher, enter heat exchanger low temperature on-cycle coolant water temperature to the lower tap water of cooling water pipeline blending temperature with reduction by triple valve.
Adopt the utility model fuel battery engines stand test heat management device can ensure the fuel battery engines experimental safe, carry out easily.
Description of drawings
Fig. 1 is the block diagram of fuel battery engines test cell heat management device
Real connection lead among the figure is represented circulation waterway, virtually connects wiring representation signal circuit
The specific embodiment
Fig. 1 is the block diagram of fuel battery engines test cell heat management device.Constant for guaranteeing the fuel cell cooling water inlet temperature, at fuel battery engines 1 cooling water inlet (being exchanger heat water end (W.E.) exit) temperature sensor 9 is set, temperature signal is sent into controller 13, sends the flow of control signal control electric three-way valve 11; Be the automatic blending that realizes that tap water and cooling tower 3 come water, at heat exchanger 2 cold water end import mounting temperature sensors 8, temperature signal is sent into controller 14, and it sends the switching and the aperture size of signal control tap water pipe line electrically operated valve 10.
When higher (as summer), heat exchanger 2 cold junction inflow temperatures are too high in outdoor temperature, and exchange capability of heat descends, and to the lower tap water of major loop blending temperature, reduce the coolant water temperature that enters heat exchanger 2 by triple valve 11.During system works, temperature sensor 8 monitoring heat exchangers 2 cold water end inlet water temperatures, signal controller 14 sends the signal control switching and the aperture size of water route electrically operated valve 10 from the beginning according to temperature, realizes the automatic blending that tap water and cooling tower come water.Too high when this place's temperature, when heat exchanger 2 exchange capability of heat can't satisfy the heat extraction requirement, electrically operated valve 10 was opened greatly, and tap water blending amount increases; When this place's temperature was low, electrically operated valve 10 apertures reduced, and tap water blending amount reduces; When temperature is lower, when only using cooling column 3 water sources can guarantee the exchange capability of heat of heat exchanger 2, tap water loop SELF CL.
For guaranteeing the normal operation of triple valve 11, the tap water make-up system adopts the automatic pressure balance method, guarantees that tap water supply pipeline is suitable with cooling tower cooling water pipeline pressure.Tap water enters voltage stabilizer 4 by electric control pump 16.Controller 15 pressurizes or reduces pressure tap water according to the rotating speed and the lift of the pressure signal control electric control pump 16 of cooling tower 3 circuit pressure sensors 12, guarantees that the pressure and the cooling tower 3 water route pressure in water route balance each other from the beginning.
The utility model heat management device can be realized the automatically regulating and the control of engine cooling water temperature.During system works, when the engine intake cooling water temperature is higher than setting value, temperature signal according to temperature sensor 9, controller 13 sends signal control electrically operated valve 11 and increases aperture, strengthen the flow of low temperature recirculated cooling water, increase the heat exchange amount, reduce heat exchanger 2 hot water and bring out the cooling water inlet temperature that mouthful temperature is a fuel battery engines 1; When this place's temperature is lower than setting value, vice versa.
Claims (1)
1, a kind of vehicle fuel battery engine stand test heat management device, the two-way on-cycle cooling system that contains heat exchanger, cooling tower, water tank, water pump, valve, it is characterized in that being provided with temperature sensor and controller at the high temperature circulation water side and the low temperature circulation water inlet end of heat exchanger, and on the pipeline of low temperature circulation water inlet end, three-way valve is set, one end of three-way valve links to each other with water source from the beginning by voltage stabilizer and water pump, one valve is set between triple valve and voltage stabilizer, one pressure sensor and controller is set in the water side of cooling tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289360 CN2581229Y (en) | 2002-11-29 | 2002-11-29 | Bench testing heat managing device for vehicle fuel battery engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02289360 CN2581229Y (en) | 2002-11-29 | 2002-11-29 | Bench testing heat managing device for vehicle fuel battery engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2581229Y true CN2581229Y (en) | 2003-10-22 |
Family
ID=33748927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02289360 Expired - Lifetime CN2581229Y (en) | 2002-11-29 | 2002-11-29 | Bench testing heat managing device for vehicle fuel battery engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2581229Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806488A (en) * | 2010-03-16 | 2010-08-18 | 上海建科建筑节能技术有限公司 | Energy-saving cooling tower cold supply system and cold supply method thereof |
| CN102013504A (en) * | 2010-11-05 | 2011-04-13 | 新源动力股份有限公司 | Test platform temperature control system and control method for proton exchange membrane fuel cell |
| CN101710759B (en) * | 2009-11-11 | 2011-08-17 | 厦门金龙联合汽车工业有限公司 | Heat management device of electric car and use method thereof |
| CN103137991A (en) * | 2013-02-05 | 2013-06-05 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN106525117A (en) * | 2016-12-27 | 2017-03-22 | 武汉博富通试验设备有限公司 | Thermal management system detection device |
| CN106571503A (en) * | 2016-11-11 | 2017-04-19 | 华中科技大学 | Electric automobile battery module thermorunaway safety fire extinguishing system and method |
| CN108091903A (en) * | 2018-01-19 | 2018-05-29 | 清华大学 | A kind of fuel cell pile heat management device, system and method |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN113851674A (en) * | 2021-09-28 | 2021-12-28 | 上海捷氢科技有限公司 | Thermal management system for testing fuel cell system |
-
2002
- 2002-11-29 CN CN 02289360 patent/CN2581229Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710759B (en) * | 2009-11-11 | 2011-08-17 | 厦门金龙联合汽车工业有限公司 | Heat management device of electric car and use method thereof |
| CN101806488A (en) * | 2010-03-16 | 2010-08-18 | 上海建科建筑节能技术有限公司 | Energy-saving cooling tower cold supply system and cold supply method thereof |
| CN101806488B (en) * | 2010-03-16 | 2015-03-18 | 上海建科建筑节能技术股份有限公司 | Energy-saving cooling tower cold supply system and cold supply method thereof |
| CN102013504A (en) * | 2010-11-05 | 2011-04-13 | 新源动力股份有限公司 | Test platform temperature control system and control method for proton exchange membrane fuel cell |
| CN103137991A (en) * | 2013-02-05 | 2013-06-05 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN103137991B (en) * | 2013-02-05 | 2015-03-18 | 昆山弗尔赛能源有限公司 | Temperature control system and temperature control method for proton exchange membrane fuel cells testing platform |
| CN106571503A (en) * | 2016-11-11 | 2017-04-19 | 华中科技大学 | Electric automobile battery module thermorunaway safety fire extinguishing system and method |
| CN106525117A (en) * | 2016-12-27 | 2017-03-22 | 武汉博富通试验设备有限公司 | Thermal management system detection device |
| CN108091903A (en) * | 2018-01-19 | 2018-05-29 | 清华大学 | A kind of fuel cell pile heat management device, system and method |
| CN108091903B (en) * | 2018-01-19 | 2023-10-31 | 清华大学 | Fuel cell stack thermal management device, system and method |
| CN110243607A (en) * | 2019-07-12 | 2019-09-17 | 吉孚动力技术(中国)有限公司 | A kind of engine performance test stand frame oil temperature control system |
| CN113851674A (en) * | 2021-09-28 | 2021-12-28 | 上海捷氢科技有限公司 | Thermal management system for testing fuel cell system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121129 Granted publication date: 20031022 |