CN201812856U - Multiple-effect power module for electric vehicle - Google Patents
Multiple-effect power module for electric vehicle Download PDFInfo
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- CN201812856U CN201812856U CN2010200002860U CN201020000286U CN201812856U CN 201812856 U CN201812856 U CN 201812856U CN 2010200002860 U CN2010200002860 U CN 2010200002860U CN 201020000286 U CN201020000286 U CN 201020000286U CN 201812856 U CN201812856 U CN 201812856U
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- retardant
- insulating flame
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a multiple-effect power module for an electric vehicle, comprising a power module, a heat-insulation and anti-flaming module and an anti-collision shell module, wherein the power module is taken as a power source so as to provide stable voltage and power for the electric vehicle. The heat-insulation and anti-flaming module is formed by a functional foaming body which is sealed wholly and has a profiling structure, and the functional foaming body is made of foaming materials, and has the effects of watertightness, moisture resistance, heat insulation, flaming prevention, fire resistance, suspension, prevention of collision, and prevention of electromagnetic radiation. The anti-collision shell module is made of metal or non-metal materials with mechanical strength and heat conduction. In the utility model, the used materials and the components are all environment-friendly and nontoxic, therefore, the optimal environment-friendly ecological condition can be met, and parts of materials can be recycled for use. Besides, the functional foaming body has the characteristic of being processed secondarily and conveniently, therefore, functional components such as a heat conducting system and the like can be additionally arranged on the structure conveniently.
Description
Technical field
The present invention relates to a kind of power plant module, especially in regard to a kind of multi-effect power module that collects multifunctional integrated electric vehicle such as fire prevention, insulation.
Background technology
High-energy battery particularly is widely used in the electric automobiles at industrial circle.Present electric motor car is owing to use high-energy battery as energy reserves and feed system, replaces or part replaces adopting the orthodox car engine of fossil fuel, therefore has the characteristics of remarkable efficient, economy and environmental protection.High-energy battery comprises magnesium dry cell, metal-air battery, lithium-non-aqueous electrolytic solution battery, sodium-sulfur battery and lithium high-temperature battery, and zinc-halogen cell of developing, sodium-water battery and lithium-water battery etc.
As shown in Figure 1, be example with lithium-non-aqueous electrolytic solution battery (hereinafter to be referred as lithium battery) commonly used, a lithium cells 1 comprises a pair of positive and negative electrode cell terminal 2.When using as the electric motor car power source, tens or up to a hundred lithium cells 1 series connection back form the lithium power plant modules, the voltage of lithium power plant module increases to the operating voltage of electric motor car.The outside need of lithium power plant module encapsulates, and wherein lithium cells 1 is not produced to each other rock.Because the electrolyte of lithium cells 1 inside has adopted imflammable solvent, if there is high temperature lithium cells 1 outside, pierces through, puncture, metal fillings is communicated with and situation such as vehicle collision takes place, all may cause extruding, form lithium cells 1 inner positive and negative electrode short circuit lithium cells 1.When lithium cells 1 internal short-circuit, can abrupt release go out a large amount of heat, the electrolyte with burning of easy heating is seethed with excitement until blast.The power plant module of common electrical motor-car includes about the about 50kg of lithium metal, in case the accident of blasting, consequence is with hardly imaginable.
Invention: the electricity cutting security architecture of over-charge of lithium battery with soft shell (application number: 200710090895.2, the applying date: 2007-04-11), disclosed method is an attachment security circuit on lithium battery, but this method only can prevent the blast that the electrolyte gassing that causes because of overcharging produces, to since the blast that other reasons causes without any effect.Invention: safe lithium battery case (application number: 200810020116.6, the applying date: 2008-03-25), disclose a kind of lithium battery housing of sealing, by safety anti-explosive mechanism being set in the housing side, drain lithium battery because of the pressure that the electrolyte gassing produces, reach explosion-proof purpose; Because safety anti-explosive mechanism is provided with a plurality of explosionproof holes in the side of lithium battery housing, cover rupture pressure disc on the explosionproof hole lithium battery and external environment are isolated, will certainly reduce the intensity of housing itself like this, be difficult to reach the crashproof effect of shock-absorbing.
Summary of the invention
The present invention is directed to the shortcoming and defect that battery protecting apparatus exists in the prior art; a kind of multi-effect power module of electric vehicle is provided; can realize simultaneously that waterproof and dampproof, insulation, fire-retardant anti-fire, shock-absorbing are crashproof, prevent multiple effects such as electromagnetic radiation; can also further realize dustproof and anti-acid and alkali corrosion effect; can be applicable to the protection of lithium battery and other high-energy batteries, make it be applicable to electric automobiles.
Technical scheme of the present invention is as follows:
A kind of multi-effect power module of electric vehicle is characterized in that: it comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell; Described power plant module is arranged within the heat-insulating flame-retardant module; Described heat-insulating flame-retardant module is the imitated structure of integral sealing, is made of functional foaming body; The crashproof module of described shell is arranged at outside the described heat-insulating flame-retardant module, is used to strengthen the intensity of described power plant module.
Described heat-insulating flame-retardant module is the integrated formed structure in described power plant module is encapsulated in.
Between described power plant module and the heat-insulating flame-retardant module one deck housing is set.
Described heat-insulating flame-retardant module is divided into main body and loam cake.
The seam crossing of described main body and loam cake seals by hasp, strip of paper used for sealing or bonding mode.
Described functional foaming body is the elastic foam material of two pourable moulding of component, comprises base-material, expansion type flame retardant and intumescent graphite, and its percentage by weight is respectively base-material: 200%, and expansion type flame retardant: 30-50%, intumescent graphite: 5-10%.
Described base-material comprises phenolic modification and derivative, polyurethanes and derivative thereof, silicone and derivative thereof and epoxies and derivative thereof.
Described base-material is density 160kg/m
3The cold curing high resilience skinning formula polyurea elastomer of foaming at normal temp.
The expansion multiple of described intumescent graphite is 80 times, 200 times or 400 times, and initial temperature is 150 degree or 200 degree.
The expansion multiple of described intumescent graphite is 200 times, and initial temperature is 150 degree.
The foaming mode of described functional foaming body is one-step method or polymerization in advance.
The crashproof module table finishing coat of described shell is acrylic compounds, organic-silicon-modified class, epoxies and chemically expansible mineral-type.
Described coating layer thickness is 1mm.
Described coating is provided with the anti-soil finishing paint outward.
The crashproof module of described shell is galvanized steel plain sheet, aluminium alloy steel plate, corrosion resistant plate, APS, PC or PP.
Technique effect of the present invention is as follows:
The multi-effect power module of electric vehicle of the present invention comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell, and wherein power plant module provides stable voltage and power as power source for electric motor car.The heat-insulating flame-retardant module is that the functional foaming body of the imitated structure of integral sealing constitutes, functional foaming body is a foamed material, have waterproof and dampproof, insulation, fire-retardant anti-fire, shock-absorbing is crashproof and prevents the effect of electromagnetic radiation, the essence of foamed material is light porous material, has reduced the weight of integral module; Because foamed material has low heat transfer property and one-body molded property, make power plant module under optimum temperature, bring into play battery, the best serviceability temperature of storage battery and promote its useful life; The crashproof module of shell is made of metal with mechanical strength and thermal conductivity or nonmetallic materials.The crashproof module of shell surface scribbles can fire-retardant anti-fire and the coating of anti-acid and alkali corrosion; therefore the crashproof module of shell has outside the function that protection power plant module and heat-insulating flame-retardant module avoid clashing into; can also avoid the external corrosion material to invade the inside of the crashproof module of shell, prevent that effectively power plant module and heat-insulating flame-retardant module are contaminated.Material used in the present invention and formation are the product of environment-protecting asepsis, make its composition possess optimum environmental protection ecological condition, and the part material is recyclable.In addition, because functional foaming body has the characteristic of conveniently carrying out secondary operations, therefore can on structure of the present invention, add easily as functional parts such as heat-conducting systems.
Description of drawings
Fig. 1 is the schematic diagram of lithium cells
Fig. 2 is the structural representation of apparatus of the present invention
Each label lists as follows among the figure:
The 1-battery unit; The 2-cell terminal; 3-heat-insulating flame-retardant module; The crashproof module of 4-shell.
Embodiment
The present invention will be described below in conjunction with accompanying drawing.
As shown in Figure 2, the multi-effect power module of electric vehicle of the present invention is a three-decker, is divided into the crashproof module 4 of power plant module, heat-insulating flame-retardant module 3 and shell from the inside to the outside.Wherein power plant module is composed in series by a plurality of battery cells 1, for electric motor car provides stable voltage and power.Heat-insulating flame-retardant module 3 is the functional foaming body of integral sealing, and this functional foaming body is one-body molded according to the shape of power plant module, and can reprocess as required.The typing of heat-insulating flame-retardant module 3 is finished by mould, therefore can make power plant module is encapsulated in interior integrative-structure.For making things convenient for the follow-up service work of multi-effect power module, heat-insulating flame-retardant module 3 also can be divided into main body and loam cake two parts, and the seam crossing of main body and loam cake can seal by modes such as hasp, strip of paper used for sealing or bondings.Only need before the maintenance main body and loam cake are disassembled, battery unit 1 wherein can be taken out afterwards and change, carry out encapsulation process in main body and the two-part seam crossing of loam cake after maintenance is finished, take reinforcement measure to reinforce again and get final product.The positive and negative electrode lead-in wire and the heat-conducting system of power plant module stretch out by the duct that is provided with on heat-insulating flame-retardant module 3, be connected with external equipment on demand, but the heat-insulating flame-retardant module 3 whole maintenance sealing states that need.
The crashproof module 4 of shell is arranged on the outermost layer of multi-effect power module, and its material can be metal or the nonmetallic materials with the crashproof effect of shock-absorbing and good heat conductive performance, to protect inner power plant module and heat-insulating flame-retardant module 3.The material of the crashproof module 4 of shell can be as metal species material galvanized steel plain sheet, aluminium alloy plate, corrosion resistant plate, or engineering plastics ABS, PC, PP etc., according to the use specification of power plant module and design standard and decide, make through modes such as die process or ejection formation, moulding by casting.Needs according to the power plant module heat radiation can be provided with ventilation and heat equipment such as ventilation hole and fan on the surgery system 3, in conjunction with the heat-conducting system on the power plant module, make multi-effect power module of the present invention have good thermal diffusivity, thus extending battery life.The surface of the crashproof module 4 of shell is provided with has the coating of fire-retardant anti-fire and anti-acid and alkali corrosion; under the condition that does not increase crashproof module 4 thickness of shell and weight; increased protection, the functional of multi-effect power module improved greatly power plant module and heat-insulating flame-retardant module 3.The outer dirty finishing paint of commercial anti of selecting for use of coating is coated with, and reaches effect dustproof, antifouling and attractive in appearance.
In order further to improve the crashproof effect of shock-absorbing of power plant module, between power plant module and heat-insulating flame-retardant module 3, the housing that one deck has certain intensity is set, can play battery unit 1 like this and support and fixing effect, and can further place the influence that battery unit 1 is clashed into and vibrates.
The functional foaming body of heat-insulating flame-retardant module 3 is the flexible foam of two pourable moulding of component, according to required different size, specification, shape, prepares different proportioning components, moulding by casting after making mould.The composition of functional foaming body comprises base-material, expansion type flame retardant and intumescent graphite, and its content (percentage by weight) is respectively base-material: 200%, and expansion type flame retardant; 30-50%, intumescent graphite: 5-10%.Wherein, base-material is phenolic modification and derivative thereof, polyamine esters and derivative thereof; Silicone and derivative thereof, epoxies and derivative thereof etc.Above-mentioned base-material is commercially available, and required proportioning composition provides after all can being consulted by supplier.Expansion type flame retardant is selected chemically expansible fire retardants such as commercially available Exolite422, Closite for use, and it is the 30-50% weight ratio that the best inserts composition, cooperates the mutual synergistic of intumescent graphite of 5-10% weight ratio again, can reach the fire-retardant condition of oxygen index L.O.I value 34.But the present invention's fiting chemical expanding fire retardant uses the expansible graphite of different expansion multiples and initial temperature, and the expansion multiple of expansible graphite comprises 80 times, 200 times or 400 times, and initial temperature comprises 150 ℃, 200 ℃.The foaming mode of functional foaming body is one-step method or polymerization in advance, implements the foaming and molding processing step.
The coating on the crashproof module of shell 4 surfaces can be used commercially available expansion type steel structure fire-proof, anticorrosive paint, and fire resistance period was determined in conjunction with coating layer thickness according to the anti-fiery standard testing time of this coating form approval.The coating that reaches the different size demand can be the acrylic compounds or the organic-silicon-modified class of chemically expansible type, the epoxies that Chemical Physics is compound, and chemically expansible type mineral-type etc., above-mentioned fireproof paint is the inflatable heat insulation purpose of reaching anti-fire when meeting fire.
In the present embodiment, base-material is preferably density 160kg/m
3, foaming at normal temp cold curing high resilience skinning formula polyurea elastomer (TPU); 200 times of the preferred multiples of expansible graphite, the expansible graphite that initial temperature is 150 ℃. The preferred pre-polymerization method of foaming forming technique is implemented.The preferred organic-silicon-modified class of coating on the crashproof module of shell 4 surfaces, chemistry, physics complex intumescent water-repellent paint, coating layer thickness 1mm, fire resistance period 1 hour.
Since functional foaming body have soft high-elastic and the insulation characteristic, when multi-effect power module is clashed into and feed through to heat-insulating flame-retardant module 3, heat-insulating flame-retardant module 3 produces elastic deformation, balance out most of impulsive force with this, so heat-insulating flame-retardant module 3 has the effect of shock-absorbing crashworthiness.Owing to contain intumescent graphite in the functional foaming body, meeting behind the fire can foaming and intumescing, form the cellular or spongiform charing thermal insulation layer of even compact, the stepping of charing thermal insulation layer has completely cut off oxygen, and has an excellent heat insulation property because of its quality is loose, play fire-retardant efficiently anti-fire action, intumescent graphite has radiation-resistant effect simultaneously.Heat-insulating flame-retardant module 3 surfaces that formed by cold curing high resilience skinning formula polyurea elastomer are 100% closed bubble structure, make that heat-insulating flame-retardant module 3 is inner to be isolated with external environment condition, therefore have the performance of good moistureproof and waterproof.Functional foaming body itself has good insulation and prevents the effect of electromagnetic radiation, has therefore more strengthened the utility function of multi-effect power module of the present invention.
In sum, the multi-effect power module of electric vehicle of the present invention has waterproof and dampproof, insulation, fire-retardant anti-fire, crashproof, the anti-acid and alkali corrosion of shock-absorbing and prevents multiple effect such as electromagnetic radiation.Therefore the present invention can solve several big outstanding problem that electric motor car can't be evaded in the prior art simultaneously, has great advantage and dissemination.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; although this specification has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection range of the invention patent.
Claims (11)
1. the multi-effect power module of an electric vehicle, it is characterized in that: it comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell; Described power plant module is arranged within the heat-insulating flame-retardant module; Described heat-insulating flame-retardant module is the integral sealing structure, is made of functional foaming body; The crashproof module of described shell is arranged at outside the described heat-insulating flame-retardant module, is used to strengthen the intensity of described power plant module.
2. power plant module as claimed in claim 1 is characterized in that: described heat-insulating flame-retardant module is the integrated formed structure in described power plant module is encapsulated in.
3. power plant module as claimed in claim 1 is characterized in that: between described power plant module and the heat-insulating flame-retardant module one deck housing is set.
4. as claim 1 or 2 or 3 described power plant modules, it is characterized in that: described heat-insulating flame-retardant module is divided into main body and loam cake.
5. power plant module as claimed in claim 4 is characterized in that: the seam crossing of described main body and loam cake seals by hasp, strip of paper used for sealing or bonding mode.
6. as claim 1 or 2 or 3 described power plant modules, it is characterized in that: described functional foaming body is an elastic foam material.
7. power plant module as claimed in claim 6 is characterized in that: the foaming mode of described functional foaming body is one-step method or polymerization in advance.
8. power plant module as claimed in claim 1 is characterized in that: the crashproof module table finishing coat of described shell is acrylic compounds, organic-silicon-modified class, epoxies or chemically expansible mineral-type.
9. power plant module as claimed in claim 8 is characterized in that: described coating layer thickness is 1nm.
10. power plant module as claimed in claim 8 or 9, it is characterized in that: described coating is provided with the anti-soil finishing paint outward.
11. as claim 1 or 8 or 9 described power plant modules, it is characterized in that: the crashproof module of described shell is galvanized steel plain sheet, aluminium alloy steel plate, corrosion resistant plate, APS, PC or PP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200002860U CN201812856U (en) | 2010-01-11 | 2010-01-11 | Multiple-effect power module for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200002860U CN201812856U (en) | 2010-01-11 | 2010-01-11 | Multiple-effect power module for electric vehicle |
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| CN201812856U true CN201812856U (en) | 2011-04-27 |
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| CN2010200002860U Expired - Fee Related CN201812856U (en) | 2010-01-11 | 2010-01-11 | Multiple-effect power module for electric vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025335A (en) * | 2011-10-28 | 2014-09-03 | 丰田自动车株式会社 | Battery case and vehicle |
| CN104201306A (en) * | 2014-08-29 | 2014-12-10 | 一汽-大众汽车有限公司 | Inside and outside air pressure balance method and device used for sealed high-pressure battery pack of electric vehicle |
| CN104681750A (en) * | 2013-12-03 | 2015-06-03 | 罗伯特·博世有限公司 | Protecting battery cell from breakdown |
| CN105762314A (en) * | 2016-04-15 | 2016-07-13 | 宁德时代新能源科技股份有限公司 | Battery cell buffer structure and battery pack adopting same |
| CN106384796A (en) * | 2016-10-14 | 2017-02-08 | 苏州安靠电源有限公司 | Safe battery box and power battery with same |
| CN107020938A (en) * | 2017-05-31 | 2017-08-08 | 广东工业大学 | A kind of new-energy automobile and its rear dragging compartment |
| CN107117052A (en) * | 2017-05-17 | 2017-09-01 | 广东工业大学 | A kind of new-energy automobile |
-
2010
- 2010-01-11 CN CN2010200002860U patent/CN201812856U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104025335A (en) * | 2011-10-28 | 2014-09-03 | 丰田自动车株式会社 | Battery case and vehicle |
| US20140356666A1 (en) * | 2011-10-28 | 2014-12-04 | Toyota Jidosha Kabushiki Kaisha | Battery case and vehicle |
| CN104025335B (en) * | 2011-10-28 | 2016-10-12 | 丰田自动车株式会社 | Battery container and vehicle |
| US10069179B2 (en) * | 2011-10-28 | 2018-09-04 | Toyota Jidosha Kabushiki Kaisha | Battery case and vehicle |
| CN104681750A (en) * | 2013-12-03 | 2015-06-03 | 罗伯特·博世有限公司 | Protecting battery cell from breakdown |
| CN104201306A (en) * | 2014-08-29 | 2014-12-10 | 一汽-大众汽车有限公司 | Inside and outside air pressure balance method and device used for sealed high-pressure battery pack of electric vehicle |
| CN104201306B (en) * | 2014-08-29 | 2017-01-18 | 一汽-大众汽车有限公司 | Inside and outside air pressure balance method and device used for sealed high-pressure battery pack of electric vehicle |
| CN105762314A (en) * | 2016-04-15 | 2016-07-13 | 宁德时代新能源科技股份有限公司 | Battery cell buffer structure and battery pack adopting same |
| CN105762314B (en) * | 2016-04-15 | 2019-01-08 | 宁德时代新能源科技股份有限公司 | Battery cell buffer structure and battery pack adopting same |
| CN106384796A (en) * | 2016-10-14 | 2017-02-08 | 苏州安靠电源有限公司 | Safe battery box and power battery with same |
| CN107117052A (en) * | 2017-05-17 | 2017-09-01 | 广东工业大学 | A kind of new-energy automobile |
| CN107020938A (en) * | 2017-05-31 | 2017-08-08 | 广东工业大学 | A kind of new-energy automobile and its rear dragging compartment |
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| 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: 20110427 Termination date: 20130111 |