CN103840230B - A kind of sodium-sulfur cell module heat preservation box - Google Patents
A kind of sodium-sulfur cell module heat preservation box Download PDFInfo
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- CN103840230B CN103840230B CN201410106677.3A CN201410106677A CN103840230B CN 103840230 B CN103840230 B CN 103840230B CN 201410106677 A CN201410106677 A CN 201410106677A CN 103840230 B CN103840230 B CN 103840230B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
- H01M10/3909—Sodium-sulfur cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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 invention discloses a kind of sodium-sulfur cell module heat preservation box in chemical energy storage field, by base plate, two blocks of side plates, two end plates and case lid surround, four moist closets in two row two column matrix arrangements are separated into by long heat-insulating shield and short heat-insulating shield in case, each moist closet uses one piece of bottom hot plate and one piece of private side heating plate, two moist closets adjacent by short heat-insulating shield share one piece of public side heating plate, two moist closets adjacent by long heat-insulating shield share one block of end heat plate, private side heating plate, bottom hot plate, the temperature-control circuit of public side heating plate and end heat plate, and the temperature thermocouple around it all connects BMS system, the edge of plate top surface is provided with maximum thermocouple, the intersection point of long heat-insulating shield and short heat-insulating shield top margin is provided with minimum thermocouple, maximum thermocouple is all connected BMS system with minimum thermocouple.Its technique effect is: it can ensure that the temperature difference in sodium-sulfur cell module heat preservation box between any two points all controls within 30C.
Description
Technical field
The present invention relates to a kind of sodium-sulfur cell module heat preservation box in chemical energy storage field.
Background technology
The working temperature of sodium-sulphur battery is between 300 DEG C-350 DEG C, require that the temperature field of installing in the sodium-sulfur cell module heat preservation box of sodium-sulphur battery wants balanced in actual applications, the temperature difference between sodium-sulfur cell module heat preservation box temperature maximum point and temperature minimum point will ensure within 30 DEG C.The less sodium-sulfur cell module heat preservation box of general size is than being easier to the requirement reaching temperature field and temperature difference, but for the sodium-sulfur cell module heat preservation box of 25KW, it is about 2m, wide about 1.5m, height is 1.2m about, size is very large, and want the effect reaching good temperature field and temperature difference, common method is difficult to reach.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of sodium-sulfur cell module heat preservation box is provided, it can ensure that the temperature difference in sodium-sulfur cell module heat preservation box between any two points all controls within 30C, make the temperature field in sodium-sulfur cell module heat preservation box be suitable for the work of sodium-sulfur battery module, be especially suitable for the sodium-sulfur battery module of 25KW.
A kind of technical scheme realizing above-mentioned purpose is: a kind of sodium-sulfur cell module heat preservation box, and by the side plate of base plate, two pieces of opposing parallel settings, the end plate of two pieces of opposing parallel settings, and case lid surrounds;
The long heat-insulating shield parallel with two blocks of described side plates is provided with in described sodium-sulfur cell module heat preservation box, and the short heat-insulating shield parallel with described end plate, described long heat-insulating shield and described short heat-insulating shield are that right-angled intersection arranges, and described sodium-sulfur cell module heat preservation box are divided into four moist closets;
Described sodium-sulfur cell module heat preservation box also comprises 12 pieces of heating plates and a BMS system, 12 pieces of described heating plates are all provided with a temperature-control circuit be connected with described BMS system, the surrounding of 12 pieces of described heating plates is all provided with temperature thermocouple, and described temperature thermocouple is all connected with described BMS system;
These 12 pieces of heating plates are: four pieces of bottom hot plate of arranging in two row two column matrix on described base plate, each one piece of public side heating plate on two blocks of described side plates, and symmetry is positioned at the private side heating plate of heating plate both sides, described public side, each one block of end heat plate on two pieces of described end plates; Namely each described moist closet uses one piece of bottom hot plate and one piece of private side heating plate, jointly use one piece of public side heating plate by two moist closets that described short heat-insulating shield is adjacent, jointly use one block of end heat plate by its two adjacent moist closets of described long heat-insulating shield;
The edge of described plate top surface is provided with some maximum thermocouples, and in order to the temperature of the position and temperature maximum point of determining the temperature maximum point of described sodium-sulfur cell module heat preservation box, described maximum thermocouple is all connected with described BMS system;
The intersection point of described long heat-insulating shield top margin and described short heat-insulating shield top margin is the temperature minimum point of described sodium-sulfur cell module heat preservation box, is provided with minimum thermocouple, and in order to determine the temperature of temperature minimum point, described minimum thermocouple is connected with described BMS system.
Further, described plate top surface is provided with the counterbore of the arrangement in matrix, installs a protective casing in each described counterbore.
Further, isolated by quartz sand between described protective casing and adjacent protective casing.
Further, described case lid is reverse buckling type case lid, is filled with padded coaming in described case lid.
Further, described BMS system, by the temperature-control circuit of 12 pieces of described heating plates, and the temperature thermocouple around 12 pieces of described heating plates, between 300 ~ 350 DEG C, control the temperature of 12 pieces of described heater plate surface, the temperature difference between the temperature maximum point in described sodium-sulphur battery mould incubator and temperature minimum point is controlled within 30 DEG C.
Further, when the temperature difference in described sodium-sulfur cell module heat preservation box between temperature maximum point and temperature minimum point is greater than threshold temperature, described BMS system heightens the temperature of moist closet untapped public side, described temperature maximum point place heater plate surface, to improve the temperature of temperature minimum point, described threshold temperature is less than 30 DEG C.
Further, when the temperature difference in described sodium-sulfur cell module heat preservation box between temperature maximum point and temperature minimum point is greater than threshold temperature, described BMS system turns down the temperature of private side heating plate in the moist closet of temperature maximum point place and/or bottom hot plate.
Further, the temperature thermocouple of the bottom-heated panel area in described sodium-sulfur cell module heat preservation box in any one moist closet detects that the temperature on this bottom hot plate surface have dropped 20 DEG C or more in timing, described BMS system judges that this bottom hot plate is damaged, and heightens the temperature of the private side heater plate surface in this moist closet; Temperature thermocouple around private side heating plate in described sodium-sulfur cell module heat preservation box in any one moist closet detects that the temperature of this private side heater plate surface have dropped 20 DEG C or more in timing, described BMS system judges that this private side heating plate damages, and heightens the temperature on the bottom hot plate surface in this moist closet.
Further, in described sodium-sulfur cell module heat preservation box, the temperature thermocouple of any one piece of end heat panel area detects that the temperature on this end heat plate surface have dropped 20 DEG C or more in timing, then described BMS system judges that this end heat plate damages, and the temperature of the bottom hot plate heightened in two moist closets using this end heat plate and/or private side heater plate surface.
Further, temperature thermocouple in described sodium-sulfur cell module heat preservation box around any one piece of public side heating plate detects that the temperature of this public side heater plate surface have dropped 20 DEG C or more in timing, then described BMS system judges that this public side heating plate damages, and the temperature on the surface of the bottom hot plate heightened in two moist closets using this end heat plate and/or private side heating plate.
Have employed the technical scheme of a kind of sodium-sulfur cell module heat preservation box of the present invention, namely by base plate, two blocks of side plates, the sodium-sulfur cell module heat preservation box that two end plates and case lid surround is separated into four moist closets in two row two column matrix arrangements by long heat-insulating shield and short heat-insulating shield, each moist closet uses one piece of bottom hot plate and one piece of private side heating plate, two moist closets adjacent by short heat-insulating shield share one piece of public side heating plate, two moist closets adjacent by long heat-insulating shield share one block of end heat plate, private side heating plate, bottom hot plate, the temperature-control circuit of public side heating plate and end heat plate, and the temperature thermocouple around it all connects BMS system, the edge of plate top surface is provided with maximum thermocouple, the intersection point of long heat-insulating shield and short heat-insulating shield top margin is provided with minimum thermocouple, maximum thermocouple is all connected the technical scheme of BMS system with minimum thermocouple.Its technique effect is: it can ensure that the temperature difference in sodium-sulfur cell module heat preservation box between any two points all controls within 30C, make the temperature field in sodium-sulfur cell module heat preservation box be suitable for the work of sodium-sulfur battery module, be especially suitable for the sodium-sulfur cell module heat preservation box of 25kW.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Fig. 2 is the expansion arrangement schematic diagram of the heating plate of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Fig. 3 is the case lid schematic diagram of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Fig. 4 is the BMS system installation diagram of the sodium-sulfur cell module heat preservation box of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Fig. 5 is the stereogram of a kind of sodium-sulfur cell module heat preservation box of the present invention.
The temperature thermocouple of Fig. 6 a kind of sodium-sulfur cell module heat preservation box of the present invention, maximum thermocouple, minimum thermocouple, temperature-control circuit and BMS system connection layout.
Fig. 7 is the counterbore distribution schematic diagram of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Fig. 8 is the protective casing distribution schematic diagram of a kind of sodium-sulfur cell module heat preservation box of the present invention.
Embodiment
Refer to Fig. 1 to Fig. 8, the present inventor, in order to understand technical scheme of the present invention better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1 to Fig. 8, the main specifications of a kind of sodium-sulfur cell module heat preservation box of the present invention is 25kW, and it is cuboid, long 2020mm, wide 1510mm, high 1220mm.Sodium-sulfur cell module heat preservation box is surrounded by base plate 1, front side board 3, back side panel 2, first member plate 4 and right end plate 5 and case lid 6, simultaneously, the base plate 1 of sodium-sulfur cell module heat preservation box, front side board 3, back side panel 2, first member plate 4 and right end plate 5 distributed altogether 12 pieces of heating plates, every block heating plate is all equipped with an independently temperature-control circuit, these 12 temperature-control circuits connect a BMS system 9(battery management system simultaneously), hang over the outside of front side board 3 outside this BMS system 9, controlled by distance host (not shown).Without heating plate on case lid 6.The long heat-insulating shield 7 parallel with front side board 2 or back side panel 3 is also provided with in sodium-sulfur cell module heat preservation box, and the short heat-insulating shield 8 parallel with first member plate 4 or right end plate 5.The arrangement in right-angled intersection of long heat-insulating shield 7 and short heat-insulating shield 8, space in sodium-sulfur cell module heat preservation box is divided into four moist closets in two row two column matrix arrangements, i.e. left back moist closet 100, left front moist closet 200, right back moist closet 300 and right front moist closet 400.Left back moist closet 100, left front moist closet 200, right back moist closet 300 and right front moist closet 400 all can load an independently sodium-sulphur battery unit, and can ensure that the normal operation between four sodium-sulphur battery unit does not influence each other.
Simultaneously, the end face of base plate 1 is also distributed with the counterbore 15 of the circle of the arrangement in matrix, each counterbore 15 can install a protective casing 16, protective casing 16 is designed and sized to cylindric according to monomer sodium-sulphur battery, monomer sodium-sulphur battery (not shown) is arranged in protective casing 16, the object of such design is: be fixed on specific position by each monomer sodium-sulphur battery, even if certain monomer sodium-sulphur battery breaks down, too large displacement is not had, the monomer sodium-sulphur battery near clashing into or affecting yet; Protective casing 16 is made up of mica, high temperature resistant and insulation.Filled stone sand between adjacent protective casing 16, after part plays and stops monomer sodium-sulphur battery to lose efficacy, monomer sodium-sulphur battery chemistry inside flows everywhere.
Refer to Fig. 1 to Fig. 8, be provided with 12 pieces of heating plates in sodium-sulfur cell module heat preservation box, comprise, four pieces of bottom hot plate of base plate 1, i.e. left back bottom hot plate 11, left front bottom hot plate 12, right back bottom hot plate 13, right front bottom hot plate 14.Left back bottom hot plate 11, left front bottom hot plate 12, right back bottom hot plate 13, right front bottom hot plate 14 correspondence are positioned at left back moist closet 100, left front moist closet 200, right back moist closet 300 and right front moist closet 400.
Front side board 3 and back side panel 2 respectively there is one piece of public side heating plate, and is positioned at the private side heating plate of heating plate both sides, public side.Namely the left back private heating plate 21 on back side panel 2, rear public heating plate 22 and right back private heating plate 23, the left front private heating plate 31 on front side board 3, front public heating plate 32 and right front private heating plate 33.
The middle part of front end-plate 4 and right end plate 5 is provided with one block of end heat plate separately, and namely the middle part of first member plate 4 is provided with left heating plate 41, and the middle part of right end plate 5 is provided with right heating plate 51.
Therefore, left back moist closet 100 distributes and obtains public heating plate 22 and the left heating plate 41 of half block after left back bottom hot plate 11, left back private heating plate 21, half block.Left front moist closet 200 distributes and obtains public heating plate 32 and the left heating plate 41 of half block before left front bottom hot plate 12, left front private heating plate 31, half block.Right back moist closet 300 distributes and obtains public heating plate 22 and the right heating plate 51 of half block after right back bottom hot plate 13, right back private heating plate 23, half block.Right front moist closet 400 distributes and obtains public heating plate 32 and the right heating plate 51 of half block before right front bottom hot plate 14, right front private heating plate 33, half block.Jointly use one piece of public side heating plate by two moist closets that short heat-insulating shield 8 is adjacent in other words, two moist closets adjacent by long heat-insulating shield 7 use one block of end heat plate jointly.12 pieces of described heating plates are uniformly distributed in the base plate 1 of sodium-sulfur cell module heat preservation box, front side board 3, back side panel 2, first member plate 4 and right end plate 5, and can independently control, and ensure the equilibrium of warm field in sodium-sulfur cell module heat preservation box, temperature difference is less.
Simultaneously, maximum thermocouple and minimum thermocouple is also provided with in sodium-sulfur cell module heat preservation box, to find out position and the temperature of temperature maximum point and temperature minimum point in sodium-sulfur cell module heat preservation box, wherein in sodium-sulfur cell module heat preservation box, temperature maximum point generally appears at the edge of base plate 1 end face, and therefore maximum thermocouple is distributed in base plate 1 top edge.In sodium-sulfur cell module heat preservation box, temperature minimum point appears on the top margin of long heat-insulating shield 7, or on the top margin of short heat-insulating shield 8, therefore minimum thermocouple is distributed on the top margin of long heat-insulating shield 7, or on the top margin of short heat-insulating shield 8.Due to the heat-insulating property of long heat-insulating shield 7 and short heat-insulating shield 8, in most cases, in sodium-sulfur cell module heat preservation box, temperature minimum point is all positioned on the intersection point of the top margin of long heat-insulating shield 7 and short heat-insulating shield 8.Namely on the O point in Fig. 1.The surrounding of each piece of heating plate is distributed with some temperature thermocouples, for measuring the temperature of each piece of heater plate surface.Described temperature thermocouple, maximum thermocouple and minimum thermocouple are all connected with BMS system 9.
The temperature value of the more all maximum thermocouple measurements of BMS system 9 of sodium-sulfur cell module heat preservation box, the point getting maximum is wherein the temperature maximum point in sodium-sulfur cell module heat preservation box, and assert that this temperature measured by maximum thermocouple is the maximum temperature in sodium-sulfur cell module heat preservation box, the temperature value of more all minimum thermocouple measurements, the point getting minimum value place is wherein the temperature minimum point in sodium-sulfur cell module heat preservation box, and assert that this temperature measured by minimum thermocouple is the minimum temperature in sodium-sulfur cell module heat preservation box.The situation being positioned at left back moist closet 100 with temperature maximum point is below illustrated.
Temperature maximum point is positioned at left back moist closet 100, and temperature minimum point is positioned at the intersection point of the top margin of long heat-insulating shield 7 and short heat-insulating shield 8, namely on O point.When by maximum thermocouple and minimum thermocouple, BMS system 9 detects that the temperature maximum point of sodium-sulfur cell module heat preservation box and the temperature difference of temperature minimum point exceed threshold temperature, this threshold temperature is generally 27 ~ 29 DEG C time, then BMS system 9 is by the temperature-control circuit of left back bottom hot plate 11 and/or left back private heating plate 21, and the temperature thermocouple around left back bottom hot plate 11 and/or left back private heating plate 21, reduce the temperature on left back bottom hot plate 11 and/or left back private heating plate 21 surface, thus reduce the temperature being positioned at the temperature maximum point of left back moist closet 100.The reason of such operation is that left back bottom hot plate 11 and left back private heating plate 21 are apart from temperature maximum point close together, and distance temperature minimum point is distant, after the temperature reduction on left back bottom hot plate 11 and left back private heating plate 21 surface, effectively can reduce the temperature of temperature maximum point, and be unlikely to the lasting reduction causing temperature minimum point temperature, simultaneously also less on the impact of other moist closet.In actual use, the order of left back bottom hot plate 11 and the cooling of left back private heating plate 21 not compulsory regulation.
BMS system 9 continues the temperature maximum point of timing ratio compared with sodium-sulfur cell module heat preservation box and the temperature difference of temperature minimum point, if the temperature difference of temperature maximum point and temperature minimum point continues to expand, due in sodium-sulfur cell module heat preservation box, the distance of front public heating plate 22 and temperature minimum point is minimum, therefore, in order to improve the temperature of temperature minimum point, do not cause again the rising of temperature maximum point temperature, BMS system 9 is by the temperature-control circuit of front public heating plate 32, and the temperature thermocouple around front public heating plate 32, the temperature on public heating plate 32 surface before raising, thus temperature minimum point temperature is raised.
At the temperature-control circuit of BMS system 9 by front public heating plate 32, while increasing the temperature on front public heating plate 32 surface, the temperature-control circuit of left heating plate 41 and right heating plate 51 can also be passed through, and the temperature thermocouple around left heating plate 41 and right heating plate 51, reduce the temperature on left heating plate 41 and right heating plate 51 surface, raise the impact for left front moist closet 200 and right front moist closet 400 temperature with the temperature reducing front public heating plate 32 surface, the temperature being positioned at left back moist closet 100 temperature maximum point can also be reduced further simultaneously.
If the temperature thermocouple around the left back bottom hot plate 11 being positioned at left back moist closet 100 detects that the temperature on left back bottom hot plate 11 surface is in timing, have dropped 20 DEG C or more in such as 2 hours, judge that left back bottom hot plate 11 is damaged, and the signal representing that left back bottom hot plate 11 is damaged is sent to BMS system 9, BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back private heating plate 21 and left back private heating plate 21, improve the temperature on left back private heating plate 21 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before the temperature return in left back moist closet 100 is damaged to left back bottom hot plate 11.If the temperature in left back moist closet 100 continues to decline, BMS system 9 is by the temperature-control circuit of left heating plate 41, and the temperature measurement circuit around left heating plate 41, heighten the temperature on left heating plate 41 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before being damaged to left back bottom hot plate 11 by the temperature return in left back moist closet 100.Simultaneously, BMS system 9 is also by the temperature thermocouple around the temperature-control circuit of left front bottom hot plate 12 and left front bottom hot plate 12, or the temperature thermocouple around the temperature-control circuit of left front private heating plate 31 and left front private heating plate 31, turn down the temperature on left front bottom hot plate 12 or left front private heating plate 31 surface, reduce left heating plate 41 surface temperature and rise for the impact of left front moist closet 200.BMS system 9 is by the temperature thermocouple around the temperature-control circuit of rear public heating plate 22 and rear public heating plate 22, heighten the temperature on rear public heating plate 22 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before being damaged to left back bottom hot plate 11 by the temperature return in left back moist closet 100.Simultaneously, BMS system 9 is also by can temperature thermocouple around the temperature-control circuit of right back bottom hot plate 13 and right back bottom hot plate 13, or the temperature thermocouple around the temperature-control circuit of right back private heating plate 23 and right back private heating plate 23, turn down the temperature on right back bottom hot plate 13 or right back private heating plate 23 surface, after reducing, public heating plate 22 surface temperature rises for the impact of right back moist closet 300.
If the temperature thermocouple around the left back private heating plate 21 being positioned at left back moist closet 100 detects that the temperature on left back private heating plate 21 surface is in timing, have dropped 20 DEG C or more in such as 2 hours, judge that left back private heating plate 21 damages, and the signal representing that left back private heating plate 21 damages is sent to BMS system 9, BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back bottom hot plate 11 and left back bottom hot plate 11, improve the temperature on left back bottom hot plate 11 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before the temperature return in left back moist closet 100 is damaged to left back private heating plate 21.If the temperature in left back moist closet 100 continues to decline, BMS system 9 is by the temperature-control circuit of left heating plate 41, heighten the temperature on left heating plate 41 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before being damaged to left back private heating plate 21 by the temperature return in left back moist closet 100.Simultaneously, BMS system 9 is also by the temperature thermocouple around the temperature-control circuit of left front bottom hot plate 12 and left front bottom hot plate 12, or the temperature thermocouple around the temperature-control circuit of left front private heating plate 31 and left front private heating plate 31, turn down the temperature on left front bottom hot plate 12 or left front private heating plate 31 surface, reduce left heating plate 41 surface temperature and rise for the impact of left front moist closet 200.BMS system 9 is by the temperature thermocouple around the temperature-control circuit of rear public heating plate 22 and rear public heating plate 22, heighten the temperature on rear public heating plate 22 surface, the temperature controlling left back moist closet 100 no longer declines, or the temperature before being damaged to left back private heating plate 21 by the temperature return in left back moist closet 100.Simultaneously, BMS system 9 is also by the temperature thermocouple around the temperature-control circuit of right back bottom hot plate 13 and right back bottom hot plate 13, or the temperature thermocouple around the temperature-control circuit of right back private heating plate 23 and right back private heating plate 23, turn down the temperature on right back bottom hot plate 13 or right back private heating plate 23 surface, after reducing, public heating plate 22 surface temperature rises for the impact of right back moist closet 300.
If the temperature thermocouple be positioned at around left heating plate 41 detects that the temperature on left heating plate 41 surface is in timing, have dropped 20 DEG C or more in such as 2 hours, then judge that left heating plate 41 damages, and the signal representing that left heating plate 41 damages is sent to BMS system 9, BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back private heating plate 21 and left back private heating plate 21, and the temperature thermocouple around the temperature-control circuit of left front private heating plate 31 and left front private heating plate 31, improve the temperature on left back private heating plate 21 surface and the temperature on left front private heating plate 31 surface, the temperature controlling left back moist closet 100 and left front moist closet 200 no longer declines, or the temperature before the temperature return of left back moist closet 100 and left front moist closet 200 is damaged to left heating plate 41.BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back bottom hot plate 11 and left back bottom hot plate 11, and the temperature thermocouple around the temperature-control circuit of left front bottom hot plate 12 and left front bottom hot plate 12, improve the temperature on left back bottom hot plate 11 surface and the temperature on left front bottom hot plate 12 surface, the temperature controlling left back moist closet 100 and left front moist closet 200 no longer declines, or the temperature before being damaged to left heating plate 41 by the temperature return of left back moist closet 100 and left front moist closet 200.
If the temperature thermocouple be positioned at around rear public heating plate 22 detects that the temperature on rear public heating plate 22 surface is in timing, have dropped 20 DEG C or more in such as 2 hours, after then judging, public heating plate 22 damages, and the signal that after sending expression to BMS system 9, public heating plate 22 damages, BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back private heating plate 21 and left back private heating plate 21, and the temperature thermocouple around the temperature-control circuit of right back private heating plate 23 and right back private heating plate 23, improve the temperature on left back private heating plate 21 surface and the temperature on right back private heating plate 23 surface, the temperature controlling left back moist closet 100 and right back moist closet 300 no longer declines, or the temperature before the temperature return of left back moist closet 100 and right back moist closet 300 is damaged to rear public heating plate 22.BMS system 9 is by the temperature thermocouple around the temperature-control circuit of left back bottom hot plate 11 and left back bottom hot plate 11, and the temperature thermocouple around the temperature-control circuit of right back bottom hot plate 13 and right back bottom hot plate 13, improve the temperature on left back bottom hot plate 11 surface and the temperature on right back bottom hot plate 13 surface, the temperature controlling left back moist closet 100 and right back moist closet 300 no longer declines, or the temperature before being damaged to rear public heating plate 22 by the temperature return of left back moist closet 100 and right back moist closet 300.
Like this, any one piece of heating plate of sodium-sulfur cell module heat preservation box damages, and sodium-sulfur battery module still can normally run.Only the situation having heating plate to damage in left back moist closet 100 is illustrated in embodiment.In sodium-sulfur battery module running, the temperature of 12 pieces of heating plates all should control between 300 ~ 350 DEG C.
In sodium-sulfur cell module heat preservation box, each monomer sodium-sulphur battery and protective casing 16 are located and independent protective by counterbore 15, substantially reduce the impact of monomer sodium-sulphur battery by the monomer sodium-sulphur battery of neighbouring damage; In sodium-sulfur battery module, carried out the segmentation of sodium-sulphur battery unit by long heat-insulating shield 7 and short heat-insulating shield 8, avoid because a monomer sodium-sulphur battery damages and cause the possibility that whole sodium-sulfur battery module cannot run.
The edge of case lid 6 bottom surface of sodium-sulfur cell module heat preservation box is provided with buckling groove 61.The end face clamping of buckling groove 61 and back side panel 2, first member plate 4, front side board 3 and right end plate 5.The outer ring of buckling groove 61 and back side panel 2, first member plate 4, front side board 3 and right end plate 5 are fixed, namely case lid 6 and the seam mouth of back side panel 2, first member plate 4, front side board 3 and right end plate 5 are positioned at the outside of back side panel 2, first member plate 4, front side board 3 and right end plate 5, and namely case lid 6 is reverse buckling type case lid.Such one side can prevent rainwater from immersing in sodium-sulfur cell module heat preservation box, leakage can also be isolated in sodium-sulfur cell module heat preservation box on the other hand when any one monomer sodium-sulphur battery generation spray is let out.Meanwhile, the bottom surface of case lid 6 is done by mica and is made, and the end face of case lid 6 is made up of stainless steel, and the end face of case lid 6 has carried out anti-corrosion treatment.Buffering insulation material is also filled with between the bottom surface of case lid 6 and end face, the materials harmful to monomer sodium-sulphur battery such as outside rainwater are effectively stoped to enter sodium-sulfur battery module further, and prevent sodium-sulfur battery module chemistry inside from shedding outside sodium-sulfur cell module heat preservation box, also case lid 6 is made to possess impact resistance, the safety of sodium-sulfur cell module heat preservation box outside when ensureing that sodium-sulfur battery module inside has monomer sodium-sulphur battery to damage.In the present embodiment, the outer ring of buckling groove 61 and back side panel 2, first member plate 4, welding procedure between front side board 3 and right end plate 5 outer wall are argon shield Laser Welding, ensure that the fail safe of sodium-sulfur battery module operationally sodium-sulfur cell module heat preservation box surrounding environment.
Simultaneously; the outer wall of base plate 1, back side panel 2, first member plate 4, front side board 3 and right end plate 5; namely the side towards sodium-sulfur cell module heat preservation box outside all adopts corrosion resistant plate, and applies anti-corrosion protection coating, to improve the erosion-resisting ability of sodium-sulfur cell module heat preservation box.The inwall of base plate 1, back side panel 2, first member plate 4, front side board 3 and right end plate 5, namely all micarex is adopted towards the inner side of sodium-sulfur cell module heat preservation box, insulation padded coaming is filled between micarex and corrosion resistant plate, strengthen the impact resistance of base plate 1, back side panel 2, first member plate 4, front side board 3 and right end plate 5, and preventing from effectively preventing scattering and disappearing of heat in sodium-sulfur cell module heat preservation box, heating plate is all embedded in the inwall of base plate 1, back side panel 2, first member plate 4, front side board 3 and right end plate 5.Counterbore 15 is positioned on the end face of base plate 1 inwall.Ensure the impact that electricity aspect does not occur between monomer sodium-sulphur battery.
A kind of sodium-sulfur cell module heat preservation box of the present invention, the monomer sodium-sulphur battery operational environment providing number larger, ensure that good temperature field and internal security environment; Within plays the protective effect to cell; Ensure when some impaired sodium-sulphur battery unit cannot operate, the normal operation of residual sodium sulphur battery unit simultaneously; When the monomer sodium-sulphur battery that quantity is larger is assembled, reduce the usage quantity of peripheral equipment, reduce the cost of system.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of the above embodiment, modification.
Claims (10)
1. a sodium-sulfur cell module heat preservation box, by the side plate of base plate, two pieces of opposing parallel settings, the end plate of two pieces of opposing parallel settings, and case lid surrounds, and it is characterized in that:
The long heat-insulating shield parallel with two blocks of described side plates is provided with in described sodium-sulfur cell module heat preservation box, and the short heat-insulating shield parallel with described end plate, described long heat-insulating shield and described short heat-insulating shield are that right-angled intersection arranges, and described sodium-sulfur cell module heat preservation box are divided into four moist closets;
Described sodium-sulfur cell module heat preservation box also comprises 12 pieces of heating plates and a BMS system, 12 pieces of described heating plates are all provided with a temperature-control circuit be connected with described BMS system, the surrounding of 12 pieces of described heating plates is all provided with temperature thermocouple, and described temperature thermocouple is all connected with described BMS system;
These 12 pieces of heating plates are: four pieces of bottom hot plate of arranging in two row two column matrix on described base plate, each one piece of public side heating plate on two blocks of described side plates, and symmetry is positioned at the private side heating plate of heating plate both sides, described public side, each one block of end heat plate on two pieces of described end plates; Namely each described moist closet uses one piece of bottom hot plate and one piece of private side heating plate, jointly use one piece of public side heating plate by two moist closets that described short heat-insulating shield is adjacent, jointly use one block of end heat plate by its two adjacent moist closets of described long heat-insulating shield;
The edge of described plate top surface is provided with some maximum thermocouples, and in order to the temperature of the position and temperature maximum point of determining the temperature maximum point of described sodium-sulfur cell module heat preservation box, described maximum thermocouple is all connected with described BMS system;
The intersection point of described long heat-insulating shield top margin and described short heat-insulating shield top margin is the temperature minimum point of described sodium-sulfur cell module heat preservation box, is provided with minimum thermocouple, and in order to determine the temperature of temperature minimum point, described minimum thermocouple is connected with described BMS system.
2. a kind of sodium-sulfur cell module heat preservation box according to claim 1, is characterized in that: described base plate bottom surface is provided with the counterbore of the arrangement in matrix, installs a protective casing in each described counterbore.
3. a kind of sodium-sulfur cell module heat preservation box according to claim 2, be is characterized in that: isolated by quartz sand between described protective casing and adjacent protective casing.
4. a kind of sodium-sulfur cell module heat preservation box according to claim 1, is characterized in that: described case lid is reverse buckling type case lid, is filled with padded coaming in described case lid.
5. a kind of sodium-sulfur cell module heat preservation box according to claim 1, it is characterized in that: described BMS system, by the temperature-control circuit of 12 pieces of described heating plates, and the temperature thermocouple around 12 pieces of described heating plates, between 300 ~ 350 DEG C, control the temperature of 12 pieces of described heater plate surface, the temperature difference between the temperature maximum point in described sodium-sulphur battery mould incubator and temperature minimum point is controlled within 30 DEG C.
6. a kind of sodium-sulfur cell module heat preservation box according to claim 5, it is characterized in that: when the temperature difference in described sodium-sulfur cell module heat preservation box between temperature maximum point and temperature minimum point is greater than threshold temperature, described BMS system heightens the temperature of moist closet untapped public side, described temperature maximum point place heater plate surface, to improve the temperature of temperature minimum point, described threshold temperature is less than 30 DEG C.
7. a kind of sodium-sulfur cell module heat preservation box according to claim 6, it is characterized in that: when the temperature difference in described sodium-sulfur cell module heat preservation box between temperature maximum point and temperature minimum point is greater than threshold temperature, described BMS system turns down the temperature of private side heating plate in the moist closet of temperature maximum point place and/or bottom hot plate.
8. a kind of sodium-sulfur cell module heat preservation box according to claim 5, it is characterized in that: the temperature thermocouple of the bottom-heated panel area in described sodium-sulfur cell module heat preservation box in any one moist closet detects that the temperature on this bottom hot plate surface have dropped more than 20 DEG C or 20 DEG C in timing, described BMS system judges that this bottom hot plate is damaged, and heightens the temperature of the private side heater plate surface in this moist closet; Temperature thermocouple around private side heating plate in described sodium-sulfur cell module heat preservation box in any one moist closet detects that the temperature of this private side heater plate surface have dropped 20 DEG C or more in timing, described BMS system judges that this private side heating plate damages, and heightens the temperature on the bottom hot plate surface in this moist closet.
9. a kind of sodium-sulfur cell module heat preservation box according to claim 5, it is characterized in that: in described sodium-sulfur cell module heat preservation box, the temperature thermocouple of any one piece of end heat panel area detects that the temperature on this end heat plate surface have dropped more than 20 DEG C or 20 DEG C in timing, then described BMS system judges that this end heat plate damages, and the temperature of the bottom hot plate heightened in two moist closets using this end heat plate and/or private side heater plate surface.
10. a kind of sodium-sulfur cell module heat preservation box according to claim 5, it is characterized in that: the temperature thermocouple in described sodium-sulfur cell module heat preservation box around any one piece of public side heating plate detects that the temperature of this public side heater plate surface have dropped more than 20 DEG C or 20 DEG C in timing, then described BMS system judges that this public side heating plate damages, and the temperature on the surface of the bottom hot plate heightened in two moist closets using this end heat plate and/or private side heating plate.
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| JP6536497B2 (en) * | 2016-06-30 | 2019-07-03 | トヨタ自動車株式会社 | Battery pack |
| CN106450583A (en) * | 2016-10-21 | 2017-02-22 | 东莞威胜储能技术有限公司 | Liquid metal battery insulation box and temperature control method |
| CN106980334B (en) * | 2017-05-27 | 2018-11-09 | 北京无线电测量研究所 | A kind of device maintaining constant temperature for function module |
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| CN102054952B (en) * | 2010-12-11 | 2013-04-17 | 徐荣辉 | Insulation can special for sodium-sulphur battery |
| CN102142584B (en) * | 2011-01-27 | 2014-06-18 | 上海电气钠硫储能技术有限公司 | Energy storage sodium-sulfur battery module with high safe protection design |
| CN102152902B (en) * | 2011-01-27 | 2014-04-30 | 上海电气钠硫储能技术有限公司 | Composite vacuum heat preservation box for energy storage sodium sulfur battery module |
| CN103296334B (en) * | 2013-03-07 | 2015-02-18 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur battery module |
| CN103117422B (en) * | 2013-03-07 | 2015-05-13 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur cell module heat preservation box |
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Effective date of registration: 20200901 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Co-patentee after: EAST CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Co-patentee before: SHANGHAI ELECTRIC SODIUM SULFUR ENERGY STORAGE TECHNOLOGY Co.,Ltd. Patentee before: STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER Co. |