CN116544542A - New forms of energy for limo battery module - Google Patents
New forms of energy for limo battery module Download PDFInfo
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- CN116544542A CN116544542A CN202310806244.8A CN202310806244A CN116544542A CN 116544542 A CN116544542 A CN 116544542A CN 202310806244 A CN202310806244 A CN 202310806244A CN 116544542 A CN116544542 A CN 116544542A
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- housing
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- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 11
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 10
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000001502 supplementing effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery module for a new energy motor home, which relates to the technical field of battery modules, and comprises battery packs, wherein each battery pack consists of a plurality of battery monomers which are electrically connected; a housing for securing one or more battery packs for protection thereof; the connecting piece is connected inside each battery pack or among a plurality of battery packs and is used for connecting a plurality of battery cells or adjacent battery packs into a whole; the temperature control system comprises a plurality of cooling release points, the cooling release points are distributed among gaps of multiple rows of battery monomers in each battery pack, a temperature detection part is arranged at the corresponding position of each cooling release point, and when the temperature of a certain area of a battery is overhigh, the temperature of the area of the battery can be reduced through the cooling release points of the corresponding area, so that the natural aging and loss of the battery in the area can be slowed down, and the service life of the battery can be prolonged.
Description
Technical Field
The invention relates to the technical field of battery modules, in particular to a new energy battery module for a motor home.
Background
In recent years, with the popularization of electric vehicles, problems such as use stability and safety of battery modules have been attracting attention. The battery module mainly comprises the following structures:
a battery cell: the battery module comprises a plurality of battery cells, and each battery cell generally comprises a positive electrode, a negative electrode, a diaphragm, electrolyte and the like.
And (3) a connecting piece: the connecting piece is used for connecting the battery cells together to form a whole. The connector typically includes a conductive sheet, a connection plate, or a cable, etc.
A shell: the shell is a protection structure of the battery module and is used for fixing and protecting the internal battery cells and the connecting piece, and meanwhile, the battery module also has the functions of water resistance, dust resistance and the like.
And (3) a temperature control system: in order to ensure the safety and stability of the battery module, some high-end battery modules are also equipped with a temperature control system, which can monitor the temperature of the battery module and perform heat dissipation or heating treatment as necessary to maintain a proper operating temperature.
However, in order to improve the stability of the battery module, a temperature control system is arranged in the battery module, so that the stability and the safety of the battery module are improved by the detection system, and although the effect is remarkable, there is still room for improvement, for example, the current detection method of the battery mainly comprises the following ways, namely, 1, adopting an observation method; 2. the battery is detected by adopting a voltmeter, an ammeter and the like, and the temperature control system is mainly used for cooling the battery body in a battery shell or external heat dissipation equipment;
firstly, the detection mode has larger workload, real-time monitoring cannot be realized, the cooling mode also has certain defects, the chemical reaction rate inside the battery can be slowed down under the environment of lower temperature, the capacity of the battery is reduced, and the whole battery monomers are cooled by the current heat dissipation mode, so that the specific area with overhigh heat cannot be cooled, and therefore, the battery module for the new energy motor home is provided for solving the defects.
Disclosure of Invention
The invention aims to provide a new energy battery module for a motor home, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the battery module for the new energy motor home comprises at least one group of battery packs, wherein each group of battery packs consists of a plurality of battery monomers which are electrically connected; a housing for securing one or more battery packs for protection thereof; the connecting piece is connected inside each battery pack or among a plurality of battery packs and is used for connecting a plurality of battery cells or adjacent battery packs into a whole; the temperature control system comprises a plurality of cooling release points, wherein the cooling release points are distributed among gaps of multiple rows of battery cells in each battery pack, and a temperature detection part is arranged at the corresponding position of each cooling release point.
As a preferred embodiment of the present invention: the battery module further comprises a detection system, wherein the detection system is arranged among the gaps of the plurality of rows of battery cells of each battery pack, and the detection system comprises a transmitter and is positioned at one side among the gaps of the plurality of rows of battery cells; a receiver positioned at the other side between the gaps of the plurality of rows of battery cells; deformation measurement portion is located between the single clearance of multirow battery and laminating in the single outside of adjacent battery, when single battery takes place deformation, deformation measurement portion can block the signal transmission of transmitter and receiver.
As a preferred embodiment of the present invention: the housing includes a front shell; a rear housing; the bottom shell wraps the plurality of battery packs, and the front shell and the rear shell are connected to two sides of the bottom shell; the left shell is provided with a positive electrode lug and a negative electrode lug; the bottom shell is connected with the positive electrode lug and the negative electrode lug through insulating sleeves, and the front shell and the rear shell are connected with the positive electrode lug and the negative electrode lug through insulating strips; a right housing; the top casing and retaining member, the retaining member is connected between left casing and top casing or right casing and top casing.
As a preferred embodiment of the present invention: the connecting piece comprises a series base plate which is connected to the top of each battery pack, and a plurality of connecting units are arranged on the series base plate; the parallel substrate is connected to the axial end face of each battery cell in each battery pack, and is provided with a plurality of connecting lugs which are clamped in the connecting units to enable the battery packs to be connected in series; the fixing pieces are multiple groups and are overlapped and combined into a supporting frame structure, each fixing piece is provided with a placing groove for installing a battery monomer, and after the fixing pieces are combined, gaps are reserved between adjacent battery monomers.
As a preferred embodiment of the present invention: the connecting piece also comprises an insulating diaphragm which is connected between the parallel base plate and the left shell.
As a preferred embodiment of the present invention: the temperature control system comprises a plurality of bracket groups, wherein each bracket group comprises two frames, and the frames are used for being installed on a front shell and a rear shell; a moving plate mounted on the frame through a moving unit, and reciprocating on the frame in an axial direction of the battery cell; the cooling pipe is connected to the moving plate, a through groove is formed in the cooling pipe, two ends of the cooling pipe are communicated, a cold air inlet is formed in the position, corresponding to the cooling pipe, of the moving plate, and cold air overflows through the through groove after entering the cooling pipe; the outer tube is sleeved outside the cooling tube; the plurality of cooling time placing points comprise a first opening formed in the upper side of the outer tube, a second opening formed in the right side of the outer tube, a third opening formed in the lower side of the outer tube and a fourth opening formed in the left side of the outer tube, spaces are formed among the first opening, the second opening, the third opening and the fourth opening, and the temperature detection part is arranged at the first opening, the second opening, the third opening and the fourth opening; and the driving part is used for driving the outer tube to rotate according to the four positioning points, and the rotation angle between the adjacent positioning points is equal to the degree.
As a preferred embodiment of the present invention: the driving part comprises a stepping motor which is arranged on the moving plate, and the output end of the stepping motor is connected with a first gear; and the gear teeth are arranged on the outer side of the outer tube and meshed with the first gear.
As a preferred embodiment of the present invention: the detection system is mounted on the mobile plate, wherein: the deformation measuring part is a sealing cloth with two ends installed on the movable plates, the emitter and the receiver are respectively connected to the two symmetrical movable plates, the sealing cloth is located between the battery monomers side by side, the shielding plate is arranged on the inner side of the sealing cloth, the movable plates are provided with an inflating component, and the inflating component is used for inflating the sealing cloth to enable the shielding plate to be in a separation state.
As a preferred embodiment of the present invention: the inflatable component comprises a plurality of cylinders which are arranged on the frame, a piston is arranged in the cylinder, a push rod is arranged on the piston, the tail end of the push rod extends out towards the direction of the moving plate, a pressing plate is arranged at the extending end, and an elastic piece is arranged between the pressing plate and the cylinder and used for automatically resetting the piston; the valve assembly comprises a first valve body arranged on the cylinder body and a second valve body connected to the moving plate, the first valve body and the second valve body are communicated through an air pipe, and the second valve body is communicated with the sealing cloth; and the support plates are corresponding to the number of the cylinders and are arranged on the moving plates for installing driving rods, and when the moving plates reciprocate, the driving rods are propped against the pressing plates to enable air pressure in the cylinders to enter the sealing cloth.
As a preferred embodiment of the present invention: the movable unit comprises a bearing seat arranged on the frame, a screw is arranged on the bearing seat, a thread bush which is in threaded fit with the screw is arranged on the movable plate, a servo motor for driving the screw to rotate is arranged on the frame, a pulley is arranged at the bottom of the movable plate, and a chute is arranged on the frame.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the temperature detection part is arranged between each battery pack, when the temperature of one area of the battery is too high, in order not to influence the discharge efficacy of other normal areas, the area with too high heat can be cooled through the cooling time release point of the corresponding area, so that the natural aging and loss of the battery in the area can be slowed down, the service life of the battery is prolonged, meanwhile, the battery monomers with different losses can be in the optimal temperature range, and the battery performance can be improved through the temperature control system.
Through adding and establishing detecting system to can be timely handle the swelling battery, improve the security that the battery module used, avoid the condition of fire, battery weeping or release harmful substance, reduce environmental pollution's risk.
The automatic gas supplementing device has the advantages that the automatic gas supplementing effect can be realized on the sealing cloth through the moving plate when the moving plate moves to detect the temperature, the internal pressure of the sealing cloth can be kept in a proper range through the automatic gas supplementing, the gas leakage phenomenon caused by long-time use of the sealing cloth can be avoided, the service life of the sealing cloth is prolonged, and the maintenance cost is saved.
Through increase temperature control system in the battery module is inside, can accelerate battery module's inside air flow, compare with traditional outside heat dissipation fan, have better radiating effect, it is better to cooperate the radiating effect of use with the heat dissipation fan.
Drawings
FIG. 1 is an exploded view of a battery module for a new energy recreational vehicle according to the present invention;
fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a new energy battery module for a motor home according to the present invention;
fig. 3 is a schematic structural view of a new energy motor home battery module according to the first embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection structure between one battery pack and a temperature control system of a new energy motor home battery module according to the present invention;
fig. 5 is a schematic diagram of a second structure of a new energy motor home battery module according to the present invention;
FIG. 6 is a second schematic diagram of a connection structure between one battery pack and a temperature control system of the battery module for a new energy motor home according to the present invention;
fig. 7 is a schematic structural view of a battery module frame for a new energy recreational vehicle according to the present invention;
FIG. 8 is a schematic diagram III of a connection structure between one battery pack and a temperature control system of a new energy motor home battery module according to the present invention;
fig. 9 is a schematic structural view of an outer tube and a cooling tube of a battery module for a new energy recreational vehicle according to the present invention;
fig. 10 is a schematic diagram of a structure of a new energy motor home battery module frame according to the second embodiment of the present invention;
FIG. 11 is a cross-sectional reference view of an outer tube and a cooling tube of a battery module for a new energy recreational vehicle according to the present invention;
FIG. 12 is a schematic diagram of a battery module for a new energy recreational vehicle according to the present invention, which is shown in FIG. 7;
FIG. 13 is a schematic view of the structure of the portion C in FIG. 7 of a new energy motor home battery module according to the present invention;
fig. 14 is a schematic structural diagram of a portion D of fig. 7 of a new energy electric car as a house battery module according to the present invention;
in the figure: 100. a front housing; 101. a rear housing; 102. a bottom housing; 103. a serial substrate; 105. an insulating separator; 106. parallel substrates; 107. a left housing; 108. a right housing; 109. a fixing member; 110. a battery cell; 111. a top housing; 112. a locking member; 113. a positive electrode tab; 114. a negative electrode ear; 200. a frame; 201. a connection hole; 202. a servo motor; 203. a screw; 204. a moving plate; 205. a chute; 206. a pulley; 208. a transmitter; 209. a deformation measuring unit; 2091. a shielding plate; 2092. a receiver; 210. a support plate; 211. a driving rod; 212. a cylinder; 213. a push rod; 214. a pressing plate; 215. a second valve body; 216. a stepping motor; 217. a first gear; 218. a temperature detection unit; 219. an outer tube; 225. a first opening; 226. a second opening; 227. a third opening; 228. a fourth opening; 229. a cooling tube; 230. a through groove; 231. gear teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the terms "comprises/comprising," "consists of … …," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product, apparatus, process, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product, apparatus, process, or method as desired. Without further limitation, an element defined by the phrases "comprising/including … …," "consisting of … …," and the like, does not exclude the presence of other like elements in a product, apparatus, process, or method that includes the element.
It is further understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate describing the present invention and to simplify the description, and do not indicate or imply that the devices, components, or structures referred to must have a particular orientation, be configured or operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The following describes in detail the technical solutions provided by the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-11, an embodiment of the present invention is provided: the battery module for the new energy motor home comprises at least one group of battery packs, wherein each group of battery packs consists of a plurality of battery cells 110 which are electrically connected; a housing for securing one or more battery packs for protection thereof; a connection member connected inside each battery pack or between the plurality of battery packs for connecting the plurality of battery cells 110 or the adjacent battery packs as a unit; the temperature control system comprises a plurality of cooling release points, wherein the cooling release points are distributed among gaps of a plurality of rows of battery cells 110 in each battery pack, and a temperature detection part 218 is arranged at a corresponding position of each cooling release point.
Through installing temperature detection portion 218 between every group battery, when the battery is regional temperature too high, in order not to influence the efficiency of discharging in other normal regions, the accessible is put the point and is cooled down this too high region of heat when the cooling of corresponding region this moment, thereby can slow down this regional battery natural aging and loss, the life of extension battery, can make the battery at its most suitable temperature range with the battery monomer 110 of different losses simultaneously, can make the battery at the best temperature range through temperature control system of this application, improve the performance of battery.
Referring to fig. 1-11, an embodiment of the present invention is provided: the battery module further comprises a detection system, wherein the detection system is arranged among the gaps of the plurality of rows of battery cells 110 of each battery pack, and comprises an emitter 208 which is positioned at one side among the gaps of the plurality of rows of battery cells 110; a receiver 2092 located at the other side between the gaps of the plurality of rows of battery cells 110; the deformation measuring part 209 is positioned between the gaps of the plurality of rows of the battery cells 110 and is attached to the outer sides of the adjacent battery cells 110, and when the battery cells 110 deform, the deformation measuring part 209 can block the signal transmission of the transmitter 208 and the receiver 2092;
one embodiment of a detection system is disclosed as follows:
referring to fig. 1-11, an embodiment of the present invention is provided: the detection system is mounted on a mobile plate 204, wherein: the deformation measuring unit 209 is a sealing cloth with two ends mounted on the moving plates 204, the emitter 208 and the receiver 2092 are respectively connected to the two symmetrical moving plates 204, the sealing cloth is located between the battery cells 110 arranged side by side, a shielding plate 2091 is arranged on the inner side of the sealing cloth, and an inflating member is arranged on the moving plates 204 and is used for inflating the sealing cloth to enable the shielding plate 2091 to be in a separated state.
The sealing cloth reciprocates between adjacent battery monomers 110, when the battery is deformed or swelled, the sealing cloth can receive external force in the moving process to generate inward concave deformation, signals of the transmitter 208 and the receiver 2092 are interrupted, the signals are sent to the processing module, the processing module can be a PLC controller, the transmitter 208 and the receiver 2092 can adopt laser reflection sensors, whether the sealing cloth is deformed or not is judged by utilizing the reflection of detection light beams, and a detection system is additionally arranged, so that the swelled battery can be timely processed, the use safety of the battery module is improved, the situations of fire, battery leakage or release of harmful substances are avoided, and the risk of environmental pollution is reduced.
Further, referring to fig. 1 to 11, the air charging member includes a plurality of cylinders 212 mounted on the frame 200, the frame 200 has a connection hole 201, the frame can be mounted on the housing through the connection hole 201, the cylinder 212 has a piston, the piston has a push rod 213, the end of the push rod 213 extends toward the moving plate 204, the extending end has a pressing plate 214, and an elastic member is provided between the pressing plate 214 and the cylinder 212 for automatically resetting the piston; the valve assembly comprises a first valve body arranged on the cylinder 212 and a second valve body 215 connected to the moving plate 204, wherein the first valve body and the second valve body 215 are communicated through an air pipe, and the second valve body 215 is communicated with sealing cloth; the support plates 210 are mounted on the moving plate 204 to mount the driving rods 211 corresponding to the number of the cylinder bodies 212, and when the moving plate 204 reciprocates, the driving rods 211 are abutted against the pressing plates 214 to enable air pressure in the cylinder bodies 212 to enter the sealing cloth.
The main purpose of the scheme is as follows: prevent the gas loss in the seal cloth, and through the movable plate 204 when removing the detected temperature, can realize the effect of automatic gas supply to the seal cloth, through automatic gas supply, can keep seal cloth internal pressure in suitable range, can avoid seal cloth long-time use and cause the gas leakage phenomenon, extension seal cloth's life has the advantage of saving the maintenance cost.
It should be noted that the valve assembly may be a combination of a check valve and an exhaust valve, and the exhaust valve may automatically exhaust the redundant gas, so as to ensure that the gas pressure in the system does not exceed the rated value.
Referring to fig. 1-11, an embodiment of the present invention is provided: the housing includes a front housing 100; a rear case 101; the bottom case 102, the bottom case 102 wraps the plurality of battery packs, and the front case 100 and the rear case 101 are connected to both sides of the bottom case 102; a left casing 107, wherein a positive electrode lug 113 and a negative electrode lug 114 are arranged on the left casing 107; the bottom shell 102 is connected with the positive electrode lug 113 and the negative electrode lug 114 through insulating sleeves, and the front shell 100 and the rear shell 101 are connected with the positive electrode lug 113 and the negative electrode lug 114 through insulating strips; a right housing 108; top housing 111 and locking member 112, locking member 112 being connected between left housing 107 and top housing 111 or right housing 108 and top housing 111.
Referring to fig. 1-11, an embodiment of the present invention is provided: the connecting piece comprises a serial base plate 103 connected to the top of each battery pack, and a plurality of connecting units are arranged on the serial base plate 103; the parallel substrate 106 is connected to the axial end face of the battery unit 110 in each battery pack, the parallel substrate 106 is provided with a plurality of connection lugs, and the connection lugs are clamped in the connection units to enable the plurality of battery packs to be connected in series; the mounting 109 is multiunit and stack combination be a support frame structure, and every mounting 109 all is equipped with the standing groove that is used for installing battery monomer 110, and a plurality of mounting 109 combination back, adjacent battery monomer 110 have the clearance between, and the existence in clearance is in order to improve battery module's radiating effect, and this application is through increasing temperature control system in battery module inside, can accelerate battery module's inside air flow, compares with traditional outside heat dissipation fan, has better radiating effect, cooperates with the heat dissipation fan and uses the radiating effect better.
Referring to fig. 1-11, an embodiment of the present invention is provided: the connector also includes an insulating diaphragm 105 connected between the parallel substrate 106 and the left housing 107.
One embodiment of a temperature control system is disclosed as follows:
referring to fig. 1-11, an embodiment of the present invention is provided: the temperature control system comprises a plurality of bracket sets, each bracket set comprising two frames 200, the frames 200 being for mounting on the front housing 100 and the rear housing 101; a moving plate 204 mounted on the frame 200 by a moving unit, and reciprocating on the frame 200 in an axial direction of the battery cell 110; the cooling pipe 229 is connected to the movable plate 204, the cooling pipe 229 is provided with a through groove 230, two ends of the cooling pipe 229 are communicated, a cold air inlet is arranged on the movable plate 204 corresponding to the cooling pipe 229, and the cold air overflows through the through groove 230 after entering the cooling pipe 229; an outer tube 219 sleeved outside the cooling tube 229; wherein, the plurality of cooling-time releasing points comprise a first opening 225 formed on the upper side of the outer tube 219, a second opening 226 formed on the right side, a third opening 227 formed on the lower side, and a fourth opening 228 formed on the left side, and a space is formed among the first opening 225, the second opening 226, the third opening 227 and the fourth opening 228, and the temperature detecting part 218 is installed at the first opening 225, the second opening 226, the third opening 227 and the fourth opening 228; and the driving part is used for driving the outer tube 219 to rotate according to four positioning points, and the rotation angle between the adjacent positioning points is 90 degrees.
Above-mentioned embodiment is mainly in order to be suitable for battery module's inner space, and battery module's inner space is less, is difficult for preventing a plurality of cooling tubes, and in order to realize independently cooling at a plurality of positions, traditional mode adopts a plurality of cooling tubes to distribute in different positions and cools down corresponding region, and then a plurality of pipelines lay in the group battery, and the packing is too much on the one hand can influence the radiating effect, and above-mentioned scheme only adopts the usage space of a pipeline, and cooperates the reciprocating motion of movable plate to can detect and cool down in great scope.
Referring to fig. 1-11, an embodiment of the present invention is provided: the driving part comprises a stepping motor 216, the stepping motor 216 is arranged on the moving plate 204, and the output end of the stepping motor 216 is connected with a first gear 217; gear teeth 231 are provided on the outside of the outer tube 219 and intermesh with the first gear 217.
The outer tube 219 is driven by the stepping motor 216 in this embodiment, so that the precision is high, the response is rapid, the rotation precision of the outer tube 219 can be met each time, the first opening 225 or the second opening 226 or the third opening 227 or the fourth opening 228 are respectively and independently corresponding to the air outlet through groove 230 on the cooling tube 229, and the cooling of different areas is met.
Referring to fig. 1-11, an embodiment of the present invention is provided: the moving unit comprises a bearing seat arranged on the frame 200, a screw 203 is arranged on the bearing seat, a thread bush which is in threaded fit with the screw 203 is arranged on the moving plate 204, a servo motor 202 for driving the screw 203 to rotate is arranged on the frame 200, a pulley 206 is arranged at the bottom of the moving plate 204, and a sliding groove 205 is arranged on the frame 200.
According to the invention, the temperature detection part 218 is arranged between each battery pack, when the temperature of one area of the battery is too high, in order not to influence the discharging efficacy of other normal areas, the area with too high heat can be cooled through the cooling time discharging point of the corresponding area, so that the natural aging and loss of the battery in the area can be slowed down, the service life of the battery is prolonged, meanwhile, the battery monomers 110 with different losses can be in the optimal temperature range, and the battery performance can be improved through the temperature control system.
Through adding and establishing detecting system to can be timely handle the swelling battery, improve the security that the battery module used, avoid the condition of fire, battery weeping or release harmful substance, reduce environmental pollution's risk.
The automatic gas supplementing effect can be realized on the sealing cloth through the moving plate 204 when the temperature is detected by moving, the internal pressure of the sealing cloth can be kept in a proper range through the automatic gas supplementing, the gas leakage phenomenon caused by long-time use of the sealing cloth can be avoided, the service life of the sealing cloth is prolonged, and the maintenance cost is saved.
Through increase temperature control system in the battery module is inside, can accelerate battery module's inside air flow, compare with traditional outside heat dissipation fan, have better radiating effect, it is better to cooperate the radiating effect of use with the heat dissipation fan.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a new forms of energy for car as a house battery module which characterized in that: comprising
At least one battery pack, each battery pack being composed of a plurality of electrically connected battery cells (110);
a housing for securing one or more battery packs for protection thereof;
a connection member connected inside each battery pack or between the plurality of battery packs for connecting the plurality of battery cells (110) or the adjacent battery packs as a unit;
the temperature control system comprises a plurality of cooling release points, wherein the cooling release points are distributed among gaps of multiple rows of battery cells (110) in each battery pack, and a temperature detection part (218) is arranged at the corresponding position of each cooling release point.
2. The new energy recreational vehicle battery module according to claim 1, wherein: the battery module further comprises
A detection system mounted between the gaps of the plurality of rows of cells (110) of each battery pack, the detection system comprising an emitter (208) located on one side between the gaps of the plurality of rows of cells (110);
a receiver (2092) located on the other side between the gaps of the plurality of rows of battery cells (110);
and a deformation measuring unit (209) which is positioned between the gaps of the plurality of rows of battery cells (110) and is attached to the outer sides of the adjacent battery cells (110), wherein when the battery cells (110) deform, the deformation measuring unit (209) can block the signal transmission of the transmitter (208) and the receiver (2092).
3. The new energy recreational vehicle battery module according to claim 2, wherein: the housing comprises
A front case (100);
a rear case (101);
a bottom case (102), the bottom case (102) wrapping a plurality of battery packs, and the front case (100) and the rear case (101) are connected to both sides of the bottom case (102);
the left shell (107), the left shell (107) is provided with a positive electrode lug (113) and a negative electrode lug (114), the bottom shell (102) is connected with the positive electrode lug (113) and the negative electrode lug (114) through insulating sleeves, and the front shell (100) and the rear shell (101) are connected with the positive electrode lug (113) and the negative electrode lug (114) through insulating strips;
a right housing (108);
a top housing (111) and a locking member (112), the locking member (112) being connected between the left housing (107) and the top housing (111) or between the right housing (108) and the top housing (111).
4. The new energy recreational vehicle battery module according to claim 3, wherein: the connector comprises
A series substrate (103) connected to the top of each battery pack, the series substrate (103) having a plurality of connection units thereon;
the parallel substrate (106) is connected to the axial end face of each battery unit (110) in each battery pack, the parallel substrate (106) is provided with a plurality of connecting lugs, and the connecting lugs are clamped in the connecting units to enable the plurality of battery packs to be connected in series;
the fixing pieces (109) are in a plurality of groups and are overlapped and combined into a supporting frame structure, each fixing piece (109) is provided with a placing groove for installing the battery cell (110), and after the fixing pieces (109) are combined, gaps are reserved between the adjacent battery cells (110).
5. The new energy recreational vehicle battery module according to claim 4, wherein: the connector also includes an insulating diaphragm (105) connected between the parallel substrate (106) and the left housing (107).
6. The new energy recreational vehicle battery module according to claim 4, wherein: the temperature control system comprises
A plurality of bracket groups, each bracket group comprising two frames (200), the frames (200) being for mounting on the front housing (100) and the rear housing (101);
a moving plate (204) mounted on the frame (200) by a moving unit, and reciprocating on the frame (200) in an axial direction of the battery cell (110);
the cooling pipe (229) is connected to the moving plate (204), a through groove (230) is formed in the cooling pipe (229), two ends of the cooling pipe (229) are communicated, a cold air inlet is formed in the position, corresponding to the cooling pipe (229), of the moving plate (204), and cold air overflows through the through groove (230) after entering the cooling pipe (229);
an outer tube (219) sleeved outside the cooling tube (229); the plurality of cooling time placing points comprise a first opening (225) formed in the upper side of the outer tube (219), a second opening (226) formed in the right side of the outer tube, a third opening (227) formed in the lower side of the outer tube, and a fourth opening (228) formed in the left side of the outer tube, wherein intervals are formed among the first opening (225), the second opening (226), the third opening (227) and the fourth opening (228), and the temperature detection part (218) is arranged at the positions of the first opening (225), the second opening (226), the third opening (227) and the fourth opening (228);
and the driving part is used for driving the outer tube (219) to rotate according to the four positioning points, and the rotation angle between the adjacent positioning points is 90 degrees.
7. The new energy recreational vehicle battery module according to claim 6, wherein: the driving part comprises
The stepping motor (216) is arranged on the moving plate (204), and the output end of the stepping motor (216) is connected with a first gear (217);
and gear teeth (231) which are arranged on the outer side of the outer tube (219) and are meshed with the first gear (217).
8. The new energy recreational vehicle battery module according to claim 6, wherein: the detection system is mounted on the mobile plate (204), wherein:
deformation measurement portion (209) are the sealing cloth of both ends installation on movable plate (204), and transmitter (208) and receiver (2092) are connected respectively on two movable plates (204) of symmetry, and sealing cloth is located between battery monomer (110) side by side, and the sealing cloth inboard is equipped with shielding plate (2091), be equipped with the inflatable part on movable plate (204), the inflatable part be used for right sealing cloth is inflated and is made shielding plate (2091) to be the separation state.
9. The new energy recreational vehicle battery module according to claim 8, wherein: the inflatable component comprises
The plurality of cylinder bodies (212) are arranged on the frame (200), the cylinder bodies (212) are internally provided with pistons, the pistons are provided with push rods (213), the tail ends of the push rods (213) extend towards the direction of the moving plate (204), the extending ends are provided with pressing plates (214), and elastic pieces are arranged between the pressing plates (214) and the cylinder bodies (212) and used for automatically resetting the pistons;
the valve assembly comprises a first valve body arranged on the cylinder body (212) and a second valve body (215) connected to the moving plate (204), the first valve body is communicated with the second valve body (215) through an air pipe, and the second valve body (215) is communicated with the sealing cloth; and support plates (210) which are arranged on the moving plate (204) and are corresponding to the number of the cylinder bodies (212) and are used for installing driving rods (211), and when the moving plate (204) reciprocates, the driving rods (211) are propped against the pressing plates (214) to enable air pressure in the cylinder bodies (212) to enter the sealing cloth.
10. The new energy recreational vehicle battery module according to claim 6, wherein: the mobile unit comprises a bearing seat arranged on the frame (200), a screw (203) is arranged on the bearing seat, a thread bush which is in threaded fit with the screw (203) is arranged on the mobile plate (204), a servo motor (202) used for driving the screw (203) to rotate is arranged on the frame (200), a pulley (206) is arranged at the bottom of the mobile plate (204), and a sliding groove (205) is arranged on the frame (200).
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| CN202310806244.8A CN116544542B (en) | 2023-07-04 | 2023-07-04 | New forms of energy for limo battery module |
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| CN202310806244.8A CN116544542B (en) | 2023-07-04 | 2023-07-04 | New forms of energy for limo battery module |
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542806A (en) * | 2006-11-24 | 2009-09-23 | 丰田自动车株式会社 | Electric power supply system |
| KR20110048003A (en) * | 2009-10-30 | 2011-05-09 | 산요덴키가부시키가이샤 | Power supply and vehicle having the same |
| US20110111269A1 (en) * | 2009-11-11 | 2011-05-12 | Tse David Yuanjei | Flash Cooling System for Increased Battery Safety |
| KR20140007089A (en) * | 2012-06-29 | 2014-01-17 | 국민대학교산학협력단 | Battery for electric vehicle and cooling system of battery for electric vehicle |
| CN104241727A (en) * | 2014-09-23 | 2014-12-24 | 湖南工业大学 | Battery pack of novel air heat-radiating type electric automobile |
| US20150171485A1 (en) * | 2013-12-18 | 2015-06-18 | Atieva, Inc. | Battery Pack Damage Monitor |
| JP2016092007A (en) * | 2014-10-29 | 2016-05-23 | 日本ドライケミカル株式会社 | Thermal runaway suppression system of secondary battery |
| US20170162923A1 (en) * | 2014-01-21 | 2017-06-08 | Microvast Power Systems Co.,Ltd. | Liquid-cooled battery pack system |
| CN211376883U (en) * | 2019-12-30 | 2020-08-28 | 银隆新能源股份有限公司 | Double-row battery module and energy storage system |
| CN111919331A (en) * | 2018-12-21 | 2020-11-10 | 株式会社Lg化学 | Charging and discharging apparatus for secondary battery including cooling fan and movable temperature measuring device |
| CN212967826U (en) * | 2020-09-23 | 2021-04-13 | 深圳市长泰鑫新能源有限公司 | Air-cooled adds water-cooled economic benefits and social benefits heat dissipation type lithium cell |
| CN112968244A (en) * | 2021-02-02 | 2021-06-15 | 苏通新材无锡有限公司 | New forms of energy electric automobile lithium cell aluminium alloy shell |
| CN113381091A (en) * | 2021-06-09 | 2021-09-10 | 徐雄飞 | Cooling new forms of energy group battery |
| CN113794002A (en) * | 2021-09-16 | 2021-12-14 | 浙江长兴中俄新能源材料技术研究院有限公司 | Battery module samming heat radiation structure and air conditioning connection structure |
| CN115133174A (en) * | 2022-08-25 | 2022-09-30 | 安徽方能电气技术有限公司 | AC/DC power supply system battery is with concatenation formula heat radiation structure |
| CN218996860U (en) * | 2022-12-16 | 2023-05-09 | 厦门海辰储能科技股份有限公司 | Battery module, energy storage device and electric equipment |
-
2023
- 2023-07-04 CN CN202310806244.8A patent/CN116544542B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101542806A (en) * | 2006-11-24 | 2009-09-23 | 丰田自动车株式会社 | Electric power supply system |
| KR20110048003A (en) * | 2009-10-30 | 2011-05-09 | 산요덴키가부시키가이샤 | Power supply and vehicle having the same |
| US20110111269A1 (en) * | 2009-11-11 | 2011-05-12 | Tse David Yuanjei | Flash Cooling System for Increased Battery Safety |
| KR20140007089A (en) * | 2012-06-29 | 2014-01-17 | 국민대학교산학협력단 | Battery for electric vehicle and cooling system of battery for electric vehicle |
| US20150171485A1 (en) * | 2013-12-18 | 2015-06-18 | Atieva, Inc. | Battery Pack Damage Monitor |
| US20170162923A1 (en) * | 2014-01-21 | 2017-06-08 | Microvast Power Systems Co.,Ltd. | Liquid-cooled battery pack system |
| CN104241727A (en) * | 2014-09-23 | 2014-12-24 | 湖南工业大学 | Battery pack of novel air heat-radiating type electric automobile |
| JP2016092007A (en) * | 2014-10-29 | 2016-05-23 | 日本ドライケミカル株式会社 | Thermal runaway suppression system of secondary battery |
| CN111919331A (en) * | 2018-12-21 | 2020-11-10 | 株式会社Lg化学 | Charging and discharging apparatus for secondary battery including cooling fan and movable temperature measuring device |
| CN211376883U (en) * | 2019-12-30 | 2020-08-28 | 银隆新能源股份有限公司 | Double-row battery module and energy storage system |
| CN212967826U (en) * | 2020-09-23 | 2021-04-13 | 深圳市长泰鑫新能源有限公司 | Air-cooled adds water-cooled economic benefits and social benefits heat dissipation type lithium cell |
| CN112968244A (en) * | 2021-02-02 | 2021-06-15 | 苏通新材无锡有限公司 | New forms of energy electric automobile lithium cell aluminium alloy shell |
| CN113381091A (en) * | 2021-06-09 | 2021-09-10 | 徐雄飞 | Cooling new forms of energy group battery |
| CN113794002A (en) * | 2021-09-16 | 2021-12-14 | 浙江长兴中俄新能源材料技术研究院有限公司 | Battery module samming heat radiation structure and air conditioning connection structure |
| CN115133174A (en) * | 2022-08-25 | 2022-09-30 | 安徽方能电气技术有限公司 | AC/DC power supply system battery is with concatenation formula heat radiation structure |
| CN218996860U (en) * | 2022-12-16 | 2023-05-09 | 厦门海辰储能科技股份有限公司 | Battery module, energy storage device and electric equipment |
Non-Patent Citations (1)
| Title |
|---|
| 王延宁;: "纯电动汽车动力电池组液冷系统优化及冷却性能研究", 重庆理工大学学报(自然科学), no. 06, pages 83 - 89 * |
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