CN103287255A - Differential-temperature-driven vehicular energy storage system cooling device - Google Patents
Differential-temperature-driven vehicular energy storage system cooling device Download PDFInfo
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- CN103287255A CN103287255A CN2013102060905A CN201310206090A CN103287255A CN 103287255 A CN103287255 A CN 103287255A CN 2013102060905 A CN2013102060905 A CN 2013102060905A CN 201310206090 A CN201310206090 A CN 201310206090A CN 103287255 A CN103287255 A CN 103287255A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention relates to a differential-temperature-driven vehicular energy storage system cooling device comprising a box, cooling air passages, a differential temperature generation source, a power management unit, a compressed air generator and an air amplifier. Power is generated by temperature difference between an energy storage system unit chamber and the environment thereof as well as an energy storage unit and the environment thereof, the compressed air generator is driven by the power, compressed air is guided and amplified so as to obtain large-flow cooling air through the air amplifier, and the cooling air flows through the energy storage system to achieve cooling. The differential-temperature-driven vehicular energy storage system cooling device is simple, easy to use, safe, and low in cost; through differential temperature drive, the vehicle energy consumption is not increased, and cruising power is improved while effective cooling is guaranteed; through the air amplifier, the defect that air energy is low in density is overcome and the cooling effect is better; the larger the cooling load is, the larger the temperature difference is, the higher the differential temperature driving force is and the higher the cooling power is, so that a self-feedback system is formed; the differential-temperature-driven vehicular energy storage system cooling device is applicable to electric vehicles and hybrid vehicles.
Description
Technical field
The present invention relates to a kind of vehicle-mounted closed-centre system cooling mechanism, the temperature difference driving air amplification cooling mechanism especially for vehicle-mounted closed-centre system belongs to the cooling technology field.
Background technology
In recent years, vehicles such as hybrid power and pure electric automobile are place in operation more and more, all need dispose the closed-centre system of enough capacity, also brings layout and the cooling problem of closed-centre system simultaneously.At present, the closed-centre system structure is huge, mainly is arranged on Che Nei and vehicle body both sides or the roof, and the former is limited by body structure, can't satisfy the client interior space is taken full advantage of demand with multi-form body structure; It is development in future trend that closed-centre system is arranged in roof, crash survivability is good, be beneficial to and adjust the axle load distribution, be difficult for water inlet and ponding, but its cooling problem is outstanding, particularly the sunlight of the environment of sweltering heat in summer and direct projection will produce a large amount of accumulated temperature in the closed-centre system, and cooling mechanism has been proposed harsh requirement.Closed-centre system self can produce big calorimetric in the course of the work simultaneously, as not handling, will influence performance and the service life of closed-centre system greatly, even the phenomenon of the overheated scaling loss of closed-centre system occur, need carry out cooling heat dissipation to closed-centre system.
The type of cooling of closed-centre system has air cooling, liquid cooling, cold drawing heat radiation, phase-change material or heat pipe heat accumulation, air-conditioning cooling etc.Wherein air cooling is most widely used, and as the closed-centre system cooling mechanism of the Prius of Toyota vehicle, forced draft produces or utilize the wind surface of automobile in advancing by fan operation.Existing patent (201110362085.4, a kind of cooling method and system and device of electronlmobil overhead closed-centre system device; 200620016344.2, the batteries of electric automobile pouring-basket cooling system; 201210327781.6, the cooling mechanism of vehicle-mounted closed-centre system; 201210054307.0, a kind of temperature-adjustable batteries of electric automobile storehouse) utilizes means coolings such as fan, on-board air conditioner, vortex tube, semiconductor refrigerating, efficient is low, and the extra source of the gas of need or self energy consumption, reach effective cooling heat dissipation, need the extra power that increases, certainly will increase the car load energy consumption, influence flying power, poor practicability.
Semiconductor temperature differential generating is a kind of all solid state transformation of energy mode that directly thermal power transfer is become electric energy, low grade heat energy, the little temperature difference have aspect utilizing advantage (Zheng Yihua, horse is always cherished the memory of, thermo-electric generation technology and in the application of energy-saving field, energy saving technology, 2006,2(5): 142-146).Each monomer module aspect ratio of closed-centre system, shape, thermal conductivity, space density of heat flow rate, connection mode etc. are given birth to spatially inhomogeneous of heat and heat dissipation capacity, certainly exist temperature contrast, under the situation such as abominable in environmental conditions, that module arrangement is improper, heat conduction condition is not good, the temperature difference all can strengthen.Simultaneously, there is big temperature contrast in factors such as self-heating and ambient temperature, sunshine, wind speed between each monomer module of closed-centre system and environment.
The air amplifier is according to hydromechanical wall attachment effect (also claiming Coanda effect or Coanda effect), with the little pressure air as propulsion source, drive surrounding air and flow and form high pressure, high velocity air, flow be tens times of air consumption to hundreds of times, simple easy-to-use ﹑ cost is low, efficient is high.
Summary of the invention
The objective of the invention is but to reach extra refrigeration means and need increase energy consumption in order to overcome and to solve the air cooling of prior art hollow, influence the problem of flying power, a kind of more effective vehicle-mounted closed-centre system cooling mechanism is provided, and is the device that cools off for the thermo-electric generation driving air amplification of vehicle-mounted closed-centre system.
Technical scheme of the present invention is the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference, comprises casing, cooling air channel, thermo-electric generation power supply, PMU, compressed air generator and air amplifier.Place closed-centre system in the described casing, described cooling air channel is the circulation passage that described casing and closed-centre system form, at least one described air amplifier is arranged on the described casing, the gas channel of described air amplifier is communicated with described cooling air channel, described thermo-electric generation power supply is arranged between the closed-centre system monomer and between closed-centre system monomer and the environment, described thermo-electric generation power supply by described PMU accumulation of energy to closed-centre system and drive described compressed air generator, described compressed air generator output pressurized air is to the compressed air stream entrance of described air amplifier, by described air amplifier, the big flow cooling air that pressurized air induces amplification to obtain flows through described cooling air channel, take away closed-centre system and produce a large amount of heat in the course of the work, reach cooling performance.
Described casing can be parallel ventilation type and serial ventilation type according to various flows flowing mode matched shape and the structure of cooling-air flow.
Described thermo-electric generation power supply can carry out the temperature difference thermoelectricity conversion output voltage, is to be made by the series connection of many groups semi-conductor thermo-electric generation module and parallel connection.
Described PMU is that the unstable voltage of thermo-electric generation power supply output is handled the stable voltage of output through mu balanced circuit afterwards through filtering, voltage stabilizing, and carries out charging and the drive compression air generator of closed-centre system by aptitude chargeable circuit and feed circuit.
Described compressed air generator is air compressor, or adopts other can produce compressed-air actuated method and apparatus and realize.
The gas flow amplifier that described air amplifier is has and the suitable gas channel of cooling air channel shape and the compressed air stream entrance that is used for the input compressed air.
The invention has the beneficial effects as follows that the air cooling mode is simple, easy-to-use, safety, expense is low; Compressed air source is realized and provided to the thermo-electric generation that adopts vehicle-mounted closed-centre system self and environment to exist, and do not increase the car load energy consumption, guarantees on the basis of better cooling performance, promotes flying power; Adopt the air amplifier as the propulsive effort source of air, the injection air that only need expend less air quantity is exportable big flow wind, remedies the low density shortcoming of air energy, and cooling performance is better; Cooling load is more big, and the temperature difference is more big, and temperature difference propulsive effort is more strong, and cooling power is more strong, forms the self-feed back system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of serial ventilation type cooling mechanism.
Fig. 2 is the structural representation of air amplifier among Fig. 1.
Fig. 3 is the structural representation of parallel ventilation type cooling mechanism.
Fig. 4 is the structural representation of air amplifier among Fig. 3.
Among the figure: 1 casing (battery compartment), 2 thermo-electric generation power supplys, 3 PMUs, 4 compressed air generators, 5 air amplifiers, 6 cooling air channels, 7 closed-centre system monomers (battery), 8 adjustable waterproof ventilation inlets, 9 adjustable waterproof exhaust outlets, 101 gas channel imports, the outlet of 102 gas channels, 103 compressed air stream entrances, 104 fumaroles, 105 compressed air cells, 301 gas channel imports, the outlet of 302 gas channels, 303 compressed air stream entrances, 304 annular gaps, 305 compressed air cells.
The specific embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in detail, nationality is illustrated within the present invention by two embodiment below in conjunction with the different operating mode and holds, and unrestricted the present invention's scope.
Embodiment 1:
Be illustrated in figure 1 as the structural representation of serial ventilation type cooling mechanism, comprise casing 1, cooling air channel 2, thermo-electric generation power supply 3, PMU 4, compressed air generator 5, air amplifier 6, closed-centre system 7, adjustable waterproof ventilation inlet 8 and adjustable waterproof exhaust outlet 9.Casing 1 is tubular, wherein place closed-centre system 7, cooling air channel 2 is circulation passages of casing 1 and 7 formation of closed-centre system, the head end of casing 1 and end and middle part respectively arrange an air amplifier 6, the upstream of air amplifier 6 is provided with adjustable waterproof ventilation inlet 8, the terminal air amplifier 6 of casing 1 arranges adjustable waterproof exhaust outlet 9, the gas channel of air amplifier 6 connects cooling air channel 2 and overlapping, thermo-electric generation power supply 3 be arranged between the closed-centre system monomer 7 and closed-centre system monomer 7 and cooling air channel 2 between, the temperature difference that exists can be carried out thermoelectricity conversion output voltage, be to be made by the series connection of many groups semi-conductor thermo-electric generation module and parallel connection, PMU 4 connect thermo-electric generation power supplys 3 and with the unstable voltage of its output through mu balanced circuit filtering, after handling, voltage stabilizing exports stable voltage, feed circuit drive compression air generator 5, excess energy is passed through the aptitude chargeable circuit accumulation of energy to closed-centre system 7, compressed air generator 5 is air compressors, can export pressurized air to the compressed air stream entrance of air amplifier 6, based on fluid mechanics wall attachment effect principle, by air amplifier 6, the big flow cooling air that pressurized air induces amplification to obtain flows through cooling air channel 2, take away the heat that closed-centre system 7 produces in the course of the work, reach cooling performance.
As shown in Figure 2, air amplifier among Fig. 1 comprises gas channel import 101, gas channel outlet 102, compressed air stream entrance 103, fumarole 104 and compressed air cell 105, wherein the cross section of annular air-flow path import 101 is for reducing, the cross section of annular air-flow path outlet 102 is constant, annular compression air chamber 105 is connected with compressed air generator 5 by compressed air stream entrance 103, the shape of gas channel ring wall surface and closed-centre system 7 shapes are suitable, ring wall surface is provided with along the circumferential compressed-air actuated circular fumarole 104 of a plurality of injections of well-distributed, its axis is parallel with the axis of gas channel, pressurized air enters compressed air cell 105 from compressed air stream entrance 103, from a plurality of fumarole 104 ejections, produce wall attachment effect again.
Embodiment 2:
Be illustrated in figure 3 as the structural representation of parallel ventilation type cooling mechanism, comprise casing 1, cooling air channel 2, thermo-electric generation power supply 3, PMU 4, compressed air generator 5, air amplifier 6, closed-centre system 7, adjustable waterproof ventilation inlet 8 and adjustable waterproof exhaust outlet 9, place closed-centre system 7 in the casing 1, the head end of casing 1 and end are provided with gas and collect cylindrical shell, air-flow is assigned to each closed-centre system monomer 7 equably, cooling air channel 2 is circulation passages that gas is collected cylindrical shell and 7 formation of closed-centre system, the head end of casing 1 and end respectively arrange an air amplifier 6, air amplifier 6 upstreams arrange adjustable waterproof ventilation inlet 8, air amplifier 6 downstreams of terminal position arrange adjustable waterproof exhaust outlet 9, the gas channel of air amplifier 6 is collected cylindrical shell by gas and is connected cooling air channel 2, air-flow flows through closed-centre system monomer 7 from bottom to top, be transported to the cold air amount of each closed-centre system monomer 7 near identical, thermo-electric generation power supply 3 be arranged between the closed-centre system monomer 7 and closed-centre system monomer 7 and cooling air channel 2 between, the temperature difference that exists can be carried out thermoelectricity conversion output voltage, be to be made by the series connection of many groups semi-conductor thermo-electric generation module and parallel connection, PMU 4 connect thermo-electric generation power supplys 3 and with the unstable voltage of its output through mu balanced circuit filtering, after handling, voltage stabilizing exports stable voltage, by the aptitude chargeable circuit accumulation of energy to closed-centre system 7, then by feed circuit drive compression air generator 5, compressed air generator 5 is air compressors, the output pressurized air is to the compressed air stream entrance of air amplifier 6, based on fluid mechanics wall attachment effect principle, by air amplifier 6, the big flow cooling air that pressurized air induces amplification to obtain flows through cooling air channel 2, take away the heat that closed-centre system 7 produces in the course of the work, reach cooling performance.
As shown in Figure 4, air amplifier among Fig. 3 comprises gas channel import 301, gas channel outlet 302, compressed air stream entrance 303, annular gap 304 and compressed air cell 305, wherein the cross section of annular air-flow path import 301 is convergent, the cross section of annular air-flow path outlet 302 is flaring, the ring wall surface of gas channel is not closed in gas channel, looping slit 304, the gap width of annular gap 304 is even, width is 1-1.5mm, gap opening is towards gas channel outlet 302, annular gap 304 places extend to form the coanda surface, the pressurized air that annular gap 304 sprays is provided by annular compression air chamber 305, and annular compression air chamber 305 is introduced pressurized air by compressed air stream entrance 303.
Claims (6)
1. driving vehicle-mounted closed-centre system cooling mechanism of the temperature difference, comprise casing (1), cooling air channel (2), thermo-electric generation power supply (3), PMU (4), compressed air generator (5) and air amplifier (6), it is characterized in that, place closed-centre system in the described casing (1), described cooling air channel (2) is the circulation passage that forms between described casing (1) and closed-centre system, at least one described air amplifier (6) is arranged on the described casing (1), the gas channel of described air amplifier (6) is communicated with described cooling air channel (2), described thermo-electric generation power supply (3) is arranged between the closed-centre system monomer and between closed-centre system monomer and the environment, described thermo-electric generation power supply (3) by described PMU (4) accumulation of energy to closed-centre system and drive described compressed air generator (5), described compressed air generator (5) output pressurized air is to the compressed air stream entrance of described air amplifier (6), by described air amplifier (6), the big flow cooling air that pressurized air induces amplification to obtain flows through described cooling air channel (2), take away closed-centre system and produce a large amount of heat in the course of the work, reach cooling performance.
2. the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference according to claim 1 is characterized in that, described casing (1) can be parallel ventilation type and serial ventilation type according to various flows flowing mode matched shape and the structure of cooling-air flow.
3. the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference according to claim 1, it is characterized in that, described thermo-electric generation power supply (3) can carry out the temperature difference thermoelectricity conversion output voltage, is to be made by the series connection of many groups semi-conductor thermo-electric generation module and parallel connection.
4. the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference according to claim 1, it is characterized in that, described PMU (4) is that the unstable voltage of thermo-electric generation power supply (3) output is exported stable voltage after handling, and carried out charging and the drive compression air generator (5) of closed-centre system by aptitude chargeable circuit and feed circuit through mu balanced circuit filtering, voltage stabilizing.
5. the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference according to claim 1 is characterized in that described compressed air generator (5) is air compressor, or adopts other can produce compressed-air actuated method and apparatus and realize.
6. the driving vehicle-mounted closed-centre system cooling mechanism of a kind of temperature difference according to claim 1, it is characterized in that, described air amplifier (6) is based on the gas flow amplifier of fluid mechanics wall attachment effect principle, has and the suitable gas channel of cooling air channel (2) shape and the compressed air stream entrance that is used for the input compressed air.
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| CN201310206090.5A CN103287255B (en) | 2013-05-29 | 2013-05-29 | Differential-temperavehicularen vehicularen energy storage system cooling mechanism |
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| CN201310206090.5A CN103287255B (en) | 2013-05-29 | 2013-05-29 | Differential-temperavehicularen vehicularen energy storage system cooling mechanism |
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| CN103287255B CN103287255B (en) | 2016-01-20 |
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Cited By (5)
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| DE102018205736A1 (en) | 2018-04-16 | 2019-10-17 | Ford Global Technologies, Llc | Cooling system and method for applying at least two separate vehicle components of a motor vehicle with separate cooling air streams |
| CN110466308A (en) * | 2018-05-10 | 2019-11-19 | 张家港优全汽配有限公司 | A kind of automobile-used air duct board of combined type polyurethane foaming type |
| CN113376558A (en) * | 2020-03-09 | 2021-09-10 | 上海联影医疗科技股份有限公司 | Nuclear magnetic resonance system's cooling device and nuclear magnetic resonance system |
| CN117174676A (en) * | 2023-09-11 | 2023-12-05 | 山东大学 | Heat dissipation device and method for ejector pumpless circulating chip driven by TEC heat energy |
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| CN117174676B (en) * | 2023-09-11 | 2024-02-02 | 山东大学 | Heat dissipation device and method for ejector pumpless circulating chip driven by TEC heat energy |
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