CN114937835A - New energy automobile battery heat abstractor - Google Patents
New energy automobile battery heat abstractor Download PDFInfo
- Publication number
- CN114937835A CN114937835A CN202210583046.5A CN202210583046A CN114937835A CN 114937835 A CN114937835 A CN 114937835A CN 202210583046 A CN202210583046 A CN 202210583046A CN 114937835 A CN114937835 A CN 114937835A
- Authority
- CN
- China
- Prior art keywords
- gear
- transmission mechanism
- battery pack
- cleaning
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric 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
- H01M10/62—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
- H01M10/65—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
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the field of battery heat dissipation devices, in particular to a new energy automobile battery heat dissipation device which comprises a box body and a temperature difference adjusting part, wherein the temperature difference adjusting part comprises a fixed shaft, a temperature difference driving mechanism, a first transmission mechanism, a second transmission mechanism, a reversing mechanism and a cleaning mechanism; the temperature difference driving mechanism comprises a plurality of driving components and inertia wheels; the driving assemblies are mounted on the inertia wheel and are sequentially arranged in the circumferential direction of the fixed shaft, and the air bag is configured to expand when the temperature of the battery pack rises, so that the gravity center of the balancing weights shifts to drive the inertia wheel to rotate. The battery heat dissipation device provided by the invention has the advantages that the air bag expands to push the balancing weights to rotate, the centers of the balancing weights are deviated to drive the inertia wheels to rotate, heat generated by normal work of the battery is used as power, energy is stored through the spiral spring, the cleaning interval is set through the locking mechanism, and dust attached to the surface of the battery pack is periodically cleaned, so that the battery pack ensures a good heat dissipation effect, and the service life of the battery pack is prolonged.
Description
Technical Field
The invention relates to the field of battery heat dissipation devices, in particular to a new energy automobile battery heat dissipation device.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure. In recent years, people pay more attention to new energy automobiles, and pure electric automobiles become the main force of the new energy automobiles, do not need gasoline or diesel oil, and therefore have almost no pollution to the atmosphere, are powered by storage batteries, and can provide power for the automobiles after the storage batteries are charged. With the rapid development of new energy automobiles, the requirements on the performance and safety of the new energy automobiles are higher and higher. The battery module is one of the important components of a new energy vehicle, and the battery module is required to be charged and discharged at a high rate so as to increase the vehicle power and shorten the charging time. The electricity core can produce a large amount of heats at big multiplying power charge-discharge in-process, and battery module compact structure in addition, the heat easily gathers, causes battery module local overheat or temperature inhomogeneous, and then leads to battery module performance to descend, capacity decay, can cause thermal runaway even, endangers car owner's personal and property safety.
At present, current battery heat abstractor for new energy automobile in market mostly uses the forced air cooling as the owner, the forced air cooling radiating mode is simple relatively, but at radiating in-process, a large amount of dusts, hair or flexible filament can enter into the box of battery, especially some arid, the great area of dust, it piles up to cause the dust long-time easily, make a large amount of dusts to accumulate on the battery surface, hair etc, current heat abstractor is because can not in time clear up to flexible impurity such as dust, can influence the heat dissipation of battery, influence life simultaneously, reduce performance.
Disclosure of Invention
The invention provides a new energy automobile battery heat dissipation device, which aims to solve the problems that the heat dissipation of a battery is influenced, the service life is influenced and the use performance is reduced because the existing heat dissipation device cannot timely clean flexible impurities such as dust and the like.
The invention discloses a new energy automobile battery heat dissipation device, which adopts the following technical scheme: a new energy automobile battery heat dissipation device comprises a box body and a temperature difference adjusting part, wherein a plurality of fans are mounted in the box body; the temperature difference adjusting part comprises a fixed shaft, a temperature difference driving mechanism, a first transmission mechanism, a second transmission mechanism, a reversing mechanism and a cleaning mechanism; two ends of the fixed shaft are fixedly arranged in the box body and are close to the battery pack; the temperature difference driving mechanism comprises a plurality of driving components and inertia wheels; the driving assemblies are arranged on the inertia wheel and are sequentially arranged in the circumferential direction of the fixed shaft, each driving assembly comprises an air bag and a balancing weight, the balancing weights are rotatably arranged on the fixed shaft, and the air bags are configured to expand when the temperature of the battery pack rises so that the gravity centers of the balancing weights shift to drive the inertia wheel to rotate; the inertia wheel rotates to drive the first transmission mechanism, and the first transmission mechanism is configured to drive the cleaning mechanism to perform positive cleaning on the battery pack; the reversing mechanism is configured to rotate the inertia wheel to drive the second transmission mechanism when the first transmission mechanism completes the forward cleaning of the cleaning mechanism, and the second transmission mechanism is configured to drive the cleaning mechanism to reversely clean the battery pack.
Furthermore, the number of the driving assemblies is four, every two adjacent driving assemblies are vertically arranged, the number of the air bags is two, each driving assembly further comprises two mounting cavities, the two mounting cavities are slidably mounted at two ends of each balancing weight respectively, the air bags are mounted between the mounting cavities and the balancing weights, two ends of each balancing weight are provided with first elastic pieces, and the other ends of the first elastic pieces are connected with the inner wall of the inertia wheel; the fixing shaft is provided with a concave hole, the inner end of each balancing weight is connected with a marble through a third connecting piece, one of the configuration blocks is close to one end of the battery pack in an initial state, and air bags arranged at the two ends of the balancing weight are extruded in the circumferential direction when the temperature rises and expands, so that the gravity center of the balancing weight far away from the air bag is deviated.
Further, the first transmission mechanism comprises a first gear, a duplicate gear, a third gear and a fourth gear; the first gear is coaxially arranged with the inertia wheel, the first gear is meshed with one gear in the duplicate gears, the third gear is meshed with the other gear in the duplicate gears, the third gear is configured to only allow one-way rotation, the third gear is coaxially arranged with the fourth gear, a clockwork spring is arranged between the third gear and the fourth gear, and the locking mechanism is used for limiting the rotation of the fourth gear so that the third gear rotates to drive the clockwork spring to accumulate force; the time interval of cleaning the battery pack by the cleaning mechanism is called as first preset time, the locking mechanism is configured to unlock the fourth gear when the third gear rotates to the first preset time, and the fourth gear is connected with the cleaning mechanism; the first transmission mechanism and the second transmission mechanism are symmetrically arranged around the temperature difference driving mechanism.
Further, the locking mechanism comprises a clamping block, a clamping block shell, a fifth gear and a cam disc; one end of the fourth gear is inserted into the clamping block to limit the fourth gear to rotate, the clamping block is connected with the clamping block shell through a fourth elastic piece, the clamping block shell is connected with the box body through a second elastic piece, the lower end of the clamping block is in contact with the cam disc, the third gear is coaxially provided with a fifth gear, and the cam disc is meshed with the fifth gear.
Furthermore, the reversing mechanism comprises two switching racks, a supporting frame, a switching frame, a spring telescopic rod and a connecting rod; the two switching racks are connected through a switching frame, the connecting rod is connected with the switching frame, and the duplicate gear of the first transmission mechanism and the duplicate gear of the second transmission mechanism are rotatably arranged at two ends of the connecting rod; the spring telescopic rod is rotatably arranged in the support frame, the spring telescopic rod is obliquely arranged in an initial state, the upper end of the spring telescopic rod faces the direction close to the first transmission mechanism, the lower end of the spring telescopic rod faces the direction far away from the first transmission mechanism, the switching frame is connected with the spring telescopic rod, one switching rack in the initial state is meshed with the fourth gear of the first transmission mechanism, the other switching rack is far away from the fourth gear of the second transmission mechanism, and the duplicate gear of the second transmission mechanism is not meshed with the third gear; the unidirectional transmission direction of the third gear of the first transmission mechanism is opposite to the unidirectional transmission direction of the third gear of the second transmission mechanism.
Further, the cleaning mechanism comprises a driving screw and a cleaning brush, the driving screw is meshed with the fourth gear, the cleaning brush is in spiral transmission with the driving screw, and the cleaning brush is in contact with the surface of the battery pack so that when the driving screw rotates, the cleaning brush moves on the driving screw to clean the surface of the battery.
Further, the temperature difference regulating parts are two, and the two temperature difference regulating parts are arranged in the box body and are positioned at two ends of the battery pack, so that one side close to the battery pack raises the temperature along with the heating of the battery pack.
Further, still include four unilateral rack boards, dabber and threaded spindle, the dabber sets up inside the fixed axle, and four unilateral rack boards set up perpendicularly and mesh with the dabber, and every pellet shot from a slingshot contacts with a unilateral rack board, and initial state third elastic component is compressed, and four unilateral rack boards configure to can follow the dabber and move in same direction and rotate in order to drive the dabber, dabber and threaded spindle screw drive, and the threaded spindle supports with fixture block shell butt.
The invention has the beneficial effects that: according to the new energy automobile battery heat dissipation device, the air bags expand to push the balancing weights to rotate, the centers of the balancing weights are deviated to drive the inertia wheels to rotate, heat generated when the battery works normally is used as power, energy is stored through the clockwork spring, the cleaning intervals are set through the locking mechanism, dust stained on the surface of the battery pack is cleaned regularly, the battery pack is enabled to guarantee a good heat dissipation effect, and the service life of the battery pack is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a new energy vehicle battery heat dissipation device according to the present invention;
fig. 2 is a schematic structural view of a partial cross-sectional view of an embodiment of a heat dissipation device for a new energy vehicle battery of the present invention;
fig. 3 is a schematic structural top view of an embodiment of a new energy vehicle battery heat dissipation device according to the present invention;
FIG. 4 is a schematic cross-sectional view taken at A-A of FIG. 3;
fig. 5 is an installation schematic diagram of a temperature difference adjusting part of an embodiment of the heat dissipation device for a new energy automobile battery of the invention;
fig. 6 is a schematic side view illustrating installation of a temperature difference adjusting part of an embodiment of a heat sink for a new energy vehicle battery according to the invention;
fig. 7 is a schematic front view illustrating installation of a temperature difference adjusting part of an embodiment of the heat sink for a new energy vehicle battery according to the invention;
fig. 8 is a schematic structural diagram of an ash removal mechanism of an embodiment of the new energy automobile battery heat dissipation device of the invention;
fig. 9 is a schematic top view of a temperature difference adjusting part of an embodiment of the heat dissipation device for a new energy vehicle battery of the invention;
FIG. 10 is a schematic cross-sectional view taken at B-B of FIG. 9;
FIG. 11 is an enlarged view of FIG. 10 at point I;
fig. 12 is a schematic cross-sectional view of a front view of a temperature difference adjusting part of an embodiment of a new energy vehicle battery heat sink according to the present invention.
In the figure: 110. a box cover; 120. a box body; 130. a fan; 140. a battery pack; 200. a temperature difference driving mechanism; 300. a transmission mechanism; 400. a reversing mechanism; 210. a mounting cavity; 211. an inertia wheel; 212. a balancing weight; 213. an air bag; 214. a first spring; 215. marbles; 216. a single-sided rack plate; 217. a fixed mount; 218. a fixed shaft; 219. a concave hole; 221. a first gear; 311. a duplicate gear; 312. a third gear; 313. a clockwork spring; 314. a fourth gear; 321. a cam plate; 322. a fixture block shell; 323. a mandrel; 324. a threaded shaft; 325. a clamping block; 411. switching racks; 412. a switching frame; 413. a connecting rod; 414. a spring telescopic rod; 510. cleaning with a brush; 520. the screw is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 to 12 show an embodiment of a new energy vehicle battery heat sink according to the present invention.
A new energy automobile battery heat abstractor, is provided with case lid 110 including the box 120 and the difference in temperature regulating part of installing a plurality of fans 130 on the box 120, is provided with fan 130 on the case lid 110. A battery pack 140 is provided in the case 120; the temperature difference adjusting part comprises a fixed shaft 218, a temperature difference driving mechanism 200, a transmission mechanism 300, a reversing mechanism 400 and a cleaning mechanism; the transmission mechanism 300 includes a first transmission mechanism and a second transmission mechanism. Both ends of the fixed shaft 218 are fixedly installed in the case 120 and disposed near the battery pack 140; the differential temperature drive mechanism 200 includes a plurality of drive assemblies and an inertia wheel 211; a plurality of driving components are mounted on the inertia wheel 211 and are sequentially arranged in the circumferential direction of the fixed shaft 218, each driving component comprises an air bag 213 and a balancing weight 212, the balancing weights 212 are rotatably mounted on the fixed shaft 218, the air bags 213 are configured to expand when the temperature of the battery pack 140 rises, and the gravity centers of the balancing weights 212 are shifted to drive the inertia wheel 211 to rotate; the flywheel 211 rotates to drive a first transmission mechanism configured to drive the cleaning mechanism to perform forward cleaning on the battery pack 140; the reversing mechanism 400 is configured to rotate the inertia wheel 211 to drive the second transmission mechanism configured to drive the cleaning mechanism to reverse the battery pack 140 when the first transmission mechanism completes the forward cleaning of the cleaning mechanism.
In another embodiment, the number of the driving assemblies is four, every two adjacent driving assemblies are vertically arranged, the number of the air bags 213 is two, each driving assembly further comprises two mounting cavities 210, the two mounting cavities 210 are respectively slidably mounted at two ends of the balancing weight 212, the air bags 213 are mounted between the mounting cavities 210 and the balancing weight 212, two ends of each balancing weight 212 are provided with first elastic members, and the other ends of the first elastic members are connected with the inner wall of the inertia wheel 211; the fixing shaft 218 is provided with a concave hole 219, the inner end of each balancing weight 212 is connected with a marble 215 through a third connecting piece, one of the configuration blocks is close to one end of the battery pack 140 in an initial state, so that when the air bags 213 arranged at the two ends of the balancing weight 212 expand due to temperature rise, the air bags are extruded in the circumferential direction, and the gravity center of the balancing weight 212 far away from the air bags 213 shifts.
Have in the gasbag 213 to be heated and can make the expanded gas of gasbag 213, after the battery used for a certain time, the battery pack 140 surface makes the radiating effect of battery pack 140 descend because the gathering of dust, make battery pack 140 surface heat grow, make the gasbag 213 that is close to battery pack 140 one side heated, gasbag 213 is heated the inflation, will extrude the installation cavity 210 at its both ends, along with the gradual rise of temperature, the installation cavity 210 at both ends will extrude in circumference, make the balancing weight 212 of keeping away from this gasbag 213 direction all lean on one side, being close to of a plurality of balancing weights 212 makes flywheel 211 rotate under the drive of balancing weight 212.
In another embodiment, the first transmission mechanism includes a first gear 221, a double gear 311, a third gear 312, and a fourth gear 314; the first gear 221 is coaxially arranged with the inertia wheel 211, the first gear 221 is meshed with one of the duplicate gears 311, the third gear 312 is meshed with the other of the duplicate gears 311, the third gear 312 is configured to only allow one-way rotation, the third gear 312 is coaxially arranged with the fourth gear 314, a clockwork spring 313 is arranged between the third gear 312 and the fourth gear 314, and the locking mechanism is used for limiting the rotation of the fourth gear 314 so that the third gear 312 rotates to drive the clockwork spring 313 to accumulate force; the time interval for the cleaning mechanism to clean the battery pack 140 is referred to as a first preset time, the locking mechanism is configured to unlock the fourth gear 314 when the third gear 312 rotates to the first preset time, and the fourth gear 314 is connected with the cleaning mechanism; the locking mechanism comprises a clamping block 325, a clamping block shell 322, a fifth gear and a cam disc 321; one end of the fourth gear 314 is inserted into the clamping block 325 to limit the rotation of the fourth gear 314, the clamping block 325 is connected with the clamping block shell 322 through a fourth elastic element, the clamping block shell 322 is connected with the box body 120 through a second elastic element, the lower end of the clamping block 325 is in contact with the cam disc 321, a fifth gear is coaxially arranged on the third gear 312, and the cam disc 321 is meshed with the fifth gear.
The first gear 221 is disposed coaxially with the flywheel 211, so that rotation of the flywheel 211 will rotate the first gear 221, rotation of the first gear 221 will rotate one of the dual gears 311 engaged therewith, rotation of the other of the dual gears 311 will rotate the third gear 312 engaged therewith, the third gear 312 is configured to allow only one-way rotation, the third gear 312 is disposed coaxially with the fourth gear 314, and the clockwork spring 313 is disposed between the third gear 312 and the fourth gear 314, rotation of the third gear 312 causes the clockwork spring 313 to accumulate force, and since the flywheel 211 has a rotation interval, by converting rotation of the flywheel 211 into torsional force of the clockwork spring 313, force of rotation of the flywheel 211 can be accumulated.
Therefore, when the cam disc 321 is rotated by the rotation of the fifth gear, the cam disc 321 will drive the latch 325 to move, when the latch 325 is separated from the fourth gear 314 by the rotation of the cam disc 321, the fourth gear 314 can rotate to drive the spring 313 to release the fourth gear 314, and at the same time, the fourth gear 314 rotates to drive the driving screw 520 which is in transmission with the fourth gear 314, the cleaning brush 510 is in spiral transmission with the driving screw 520, and the brush head of the cleaning brush 510 contacts with the surface of the battery pack 140, so that when the driving screw 520 rotates, the cleaning brush 510 moves on the driving screw 520 to clean the surface of the battery pack 140. The time interval for cleaning can be determined by setting the time for which the cam disc 321 is rotated away from the fourth gear 314.
In another embodiment, the reversing mechanism 400 comprises two switching racks 411, a supporting frame, a switching frame 412, a spring telescopic rod 414 and a connecting rod 413; the two switching racks 411 are connected through a switching frame 412, the connecting rod 413 is connected with the switching frame 412, and the dual gear 311 of the first transmission mechanism and the dual gear 311 of the second transmission mechanism are rotatably arranged at two ends of the connecting rod 413; the spring telescopic rod 414 is rotatably arranged in the support frame, the spring telescopic rod 414 is obliquely arranged in an initial state, the upper end of the spring telescopic rod 414 faces the direction close to the first transmission mechanism, the lower end of the spring telescopic rod 414 faces the direction far away from the first transmission mechanism, the switching frame 412 is connected with the spring telescopic rod 414, one switching rack 411 is meshed with the fourth gear 314 of the first transmission mechanism in the initial state, the other switching rack 411 is far away from the fourth gear 314 of the second transmission mechanism, and the duplicate gear 311 of the second transmission mechanism is not meshed with the third gear 312; the unidirectional transmission direction of the third gear 312 of the first transmission mechanism is opposite to the unidirectional transmission direction of the third gear 312 of the second transmission mechanism. The cleaning mechanism comprises a driving screw 520 and a cleaning brush 510, the driving screw 520 is meshed with the fourth gear 314, the cleaning brush 510 is in spiral transmission with the driving screw 520, and the brush head of the cleaning brush 510 is in surface contact with the battery pack 140, so that when the driving screw 520 rotates, the cleaning brush 510 moves on the driving screw 520 to clean the surface of the battery.
The first transmission mechanism and the second transmission mechanism are symmetrically arranged about the temperature difference driving mechanism 200, the first transmission mechanism and the second transmission mechanism have the same structure, in the initial state, one switching rack 411 is meshed with the fourth gear 314 of the first transmission mechanism, the other switching rack 411 is far away from the fourth gear 314 of the second transmission mechanism, so when the fourth gear 314 rotates and releases, the fourth gear 314 drives the switching rack 411 to move, the switching rack 411 moves to drive the switching frame 412 to move, and then the spring telescopic rod 414 connected with the switching frame 412 is driven to change from the inclined state to the vertical state, the spring in the spring telescopic rod 414 is compressed, the switching rack 411 moves to enable the fourth gear 314 of the first transmission mechanism to be disengaged from the switching rack 411 correspondingly arranged, the fourth gear 314 of the second transmission mechanism is meshed with the switching rack 411 correspondingly arranged, and the dual gear 311 of the second transmission mechanism is meshed with the third gear 312 of the second transmission mechanism, because the dual gear 311 of the first transmission mechanism and the dual gear 311 of the second transmission mechanism are symmetrically arranged, the rotation direction of the dual gear 311 of the first transmission mechanism and the rotation direction of the third gear 312 of the second transmission mechanism are driven by the rotation of the dual gear 311 of the first transmission mechanism are opposite, the unidirectional transmission direction of the third gear 312 of the first transmission mechanism is opposite to the unidirectional transmission direction of the third gear 312 of the second transmission mechanism, and the direction of the fourth gear 314 of the second transmission mechanism driving the driving screw 520 of the helical transmission mechanism to move is opposite to the moving direction of the driving screw 520 of the helical transmission mechanism driven by the fourth gear 314 of the first transmission mechanism, so that the circular cleaning is realized.
In another embodiment, the two temperature difference adjusting parts are disposed in the case 120 and located at two ends of the battery pack 140, so that one side close to the battery pack 140 increases the temperature along with the heat generation of the battery pack 140, and the temperature is higher than the other side away from the battery pack 140.
In another embodiment, the rack device further comprises four single-sided rack plates 216, a spindle 323 and a threaded shaft 324, the spindle 323 is disposed inside the fixed shaft 218, the four single-sided rack plates 216 are vertically disposed and engaged with the spindle 323, each pin 215 contacts one single-sided rack plate 216, the third elastic member is compressed in an initial state, the four single-sided rack plates 216 are configured to move around the spindle 323 in the same direction to drive the spindle 323 to rotate, the spindle 323 and the threaded shaft 324 are in screw transmission, and the threaded shaft 324 abuts against the cartridge housing 322. The fixed shaft 218 is provided with a fixing bracket 217 which enables only rotation.
The working process is as follows: the present apparatus is an air-cooled heat dissipation apparatus, and the plurality of fans 130 disposed on the box 120 can dissipate heat of the battery pack 140 inside the box 120, and cool air can enter from both sides of the box 120. Battery pack 140 is held by a heat sink provided in case 120. As shown in fig. 4 to 5, two temperature difference adjusting parts are disposed in the case 120 and located at both ends of the battery pack 140, so that one side close to the battery pack 140 will increase in temperature as the battery pack 140 generates heat, and the temperature will be higher than the side far from the battery pack 140.
Two ends of the fixed shaft 218 are fixedly installed in the box body 120, the plurality of driving assemblies are installed on the inertia wheel and are sequentially arranged in the circumferential direction of the fixed shaft 218, in the application, the number of the driving assemblies is four, every two adjacent driving assemblies are vertically arranged, each driving assembly comprises two installation cavities 210, two air bags 213 and a balancing weight 212, the balancing weight 212 is rotatably installed on the fixed shaft 218, the installation cavities 210 are rotatably installed on the fixed shaft 218, the two installation cavities 210 are respectively slidably installed at two ends of the balancing weight 212, the air bags 213 are installed between the installation cavities 210 and the balancing weight 212, two ends of each balancing weight are provided with first elastic parts, and the other end of each first elastic part is connected with the inner wall of the inertia wheel; the first elastic member is a first spring 214.
After the battery uses a set time, the battery pack 140 surface makes the radiating effect of battery pack 140 decline because the gathering of dust, battery pack 140 surface heat grow, make gasbag 213 that is close to battery pack 140 one side be heated, it can make the expanded gas of gasbag 213 to be heated to have in the gasbag 213, gasbag 213 is heated the inflation, will extrude the installation cavity 210 at its both ends, the installation cavity 210 at both ends will be under the constantly expanded effect of gasbag 213, extrude to circumference, make the balancing weight 212 of keeping away from this gasbag 213 direction all lean on one side, being close to of a plurality of balancing weights 212 makes flywheel 211 rotate under the drive of balancing weight 212.
For convenience of description, the weight 212 near the battery pack 140 is referred to as a first weight, and the weight 212 around the fixing shaft 218 is referred to as a second weight, a third weight, and a fourth weight in turn along the counterclockwise direction; therefore, when the air bag 213 near one side of the battery pack 140 expands, the air bag 213 expands when heated and presses both ends, so the first weight block is pressed by the air bags 213 at both ends, the mounting cavities 210 at both ends of the first weight block move in a direction away from the first weight block, the second weight block and the first elastic member connected with the second weight block, the fourth weight block and the first elastic member connected with the fourth weight block are pressed, the second weight block and the fourth weight block move in a direction towards the third weight block, and the third weight block is pressed, as shown in fig. 11, a concave hole 219 is formed on the fixing shaft 218, the inner end of each weight block 212 is connected with a marble 215 through a third connecting member, so that when the second weight block and the fourth weight block rotate, the marble 215 connected with the second weight block and the marble 215 connected with the fourth weight block are separated from the concave hole 219, and when the inertia wheel 211 rotates due to the gravity of the weight block 212, the transmission assembly will be driven. When the second balancing weight, the third balancing weight and the fourth balancing weight rotate to the direction vertical to the ground due to the action of gravity, the second balancing weight, the third balancing weight and the fourth balancing weight cannot rotate continuously; because the positions of the first, second, third and fourth weight blocks in the initial state are also changed, that is, the fourth weight block is located closer to the battery pack 140, the temperature rises, the airbag 213 correspondingly arranged therein tends to expand, the first weight block is located farther from the battery pack 140, the temperature drops, the airbag 213 correspondingly arranged therein tends to contract, the second weight block is located farther from the battery pack 140, the temperature drops, the airbag 213 correspondingly arranged therein tends to contract, the third weight block is located closer to the battery pack 140, the temperature rises, the airbag 213 correspondingly arranged therein tends to expand, and under the action of the first elastic member correspondingly arranged therein, the marbles 215 of the second and fourth weight blocks are driven to return to the concave holes 219 correspondingly arranged therein again, that is, each two adjacent driving assemblies return to the vertical state again, at this time, the fourth weight block comes to the position closest to the battery pack 140, and the temperature of the fourth weight block gradually rises to extrude the first weight block and the third weight block, so that the center of gravity shifts again to drive the inertia wheel 211 to rotate.
The first transmission mechanism and the second transmission mechanism are symmetrically arranged around the temperature difference driving mechanism 200, the first transmission mechanism and the second transmission mechanism have the same structure, and the first transmission mechanism comprises a first gear 221, a dual gear 311, a third gear 312 and a fourth gear 314; the first gear 221 is disposed coaxially with the flywheel 211, so that rotation of the flywheel 211 will rotate the first gear 221, rotation of the first gear 221 will rotate one of the dual gears 311 engaged therewith, rotation of the other of the dual gears 311 will rotate the third gear 312 engaged therewith, the third gear 312 is configured to allow only one-way rotation, the third gear 312 is disposed coaxially with the fourth gear 314, and the clockwork spring 313 is disposed between the third gear 312 and the fourth gear 314, rotation of the third gear 312 causes the clockwork spring 313 to accumulate force, and since the flywheel 211 has a rotation interval, by converting rotation of the flywheel 211 into torsional force of the clockwork spring 313, force of rotation of the flywheel 211 can be accumulated.
One end of the fourth gear 314 is inserted into the latch 325 to limit the rotation of the fourth gear 314, the latch 325 is connected to the latch housing 322 through a fourth elastic member, the fourth elastic member is a fourth spring, the latch housing 322 is connected to the case 120 through a second elastic member, the second elastic member is a second spring, the lower end of the latch 325 is in contact with the cam disc 321, the third gear 312 is coaxially provided with a fifth gear, the cam disc 321 is engaged with the fifth gear, therefore, when the rotation of the fifth gear drives the cam disc 321 to rotate, the rotation of the cam disc 321 drives the latch 325 to move, when the latch 325 leaves the fourth gear 314 under the rotation of the cam disc 321, the fourth gear 314 can rotate to drive the spring 313 to release the fourth gear 314, and the rotation of the fourth gear 314 drives the driving screw 520 which is in transmission with the fourth gear 314 to rotate, and the sweeper 510 is in helical transmission with the driving screw 520, the brush head of the sweeper brush 510 contacts the surface of the battery pack 140 so that as the drive screw 520 rotates, the sweeper brush 510 moves over the drive screw 520 to clean the surface of the battery. The time interval for cleaning can be determined by setting the time for which the cam disc 321 is rotated away from the fourth gear 314.
A second transmission mechanism which is arranged symmetrically with the first transmission mechanism in the initial state, and the other gear of the duplicate gear 311 is far away from the third gear 312, and a reversing mechanism 400 is also included in the application, wherein the reversing mechanism 400 comprises two switching racks 411,
the two switching racks 411 are connected through a switching frame 412, the spring telescopic rod 414 is rotatably arranged in the support frame, the spring telescopic rod 414 is obliquely arranged in an initial state, the upper end of the spring telescopic rod 414 faces to a direction close to the first transmission mechanism, the lower end of the spring telescopic rod 414 faces to a direction far away from the first transmission mechanism, and the switching frame 412 is connected with the spring telescopic rod 414.
In the initial state, one switching rack 411 is meshed with the fourth gear 314 of the first transmission mechanism, and the other switching rack 411 is far away from the fourth gear 314 of the second transmission mechanism, so when the fourth gear 314 rotates and releases, the fourth gear 314 drives the switching rack 411 to move, the switching rack 411 moves to drive the switching frame 412 to move, and then the spring telescopic rod 414 connected with the switching frame 412 is driven to change from the inclined state to the vertical state, the spring in the spring telescopic rod 414 is compressed, and along with the movement of the switching rack 411, the spring telescopic rod 414 is ejected towards the direction of the second transmission mechanism, the switching rack 411 is driven to move to enable the fourth gear 314 of the first transmission mechanism to be disengaged from the switching rack 411 arranged correspondingly, the fourth gear 314 of the second transmission mechanism is meshed with the switching rack 411 arranged correspondingly, and the duplex gear 311 of the second transmission mechanism is meshed with the third gear 312 of the second transmission mechanism, because the dual gear 311 of the first transmission mechanism and the dual gear 311 of the second transmission mechanism are symmetrically arranged, the rotation direction of the dual gear 311 of the first transmission mechanism and the rotation direction of the third gear 312 of the second transmission mechanism are driven by the rotation of the dual gear 311 of the first transmission mechanism are opposite, the unidirectional transmission direction of the third gear 312 of the first transmission mechanism is opposite to the unidirectional transmission direction of the third gear 312 of the second transmission mechanism, and the direction of the fourth gear 314 of the second transmission mechanism driving the driving screw 520 of the helical transmission mechanism to move is opposite to the moving direction of the driving screw 520 of the helical transmission mechanism driven by the fourth gear 314 of the first transmission mechanism, so that the circular cleaning is realized.
When the battery pack 140 of the present application is used in a dusty environment, since the amount of dust deposited on the surface of the battery pack 140 is increased many times compared to the normal situation, the amount of heat generated by the battery pack 140 will also increase, at this time, the air bag 213 near one end of the battery pack 140 will expand at an accelerated speed, so the air bags 213 at the two ends of the first weight block will be pressed, the mounting cavities 210 at the two ends of the first weight block will move away from the first weight block, at this time, the second weight block and the first elastic member connected thereto are pressed, the fourth weight block and the first elastic member connected thereto are pressed, and the second weight block and the fourth weight block will be pressed, move towards the third weight block, press the third weight block, and when the second weight block and the fourth weight block rotate, the marble 215 connected to the second weight block and the marble 215 connected to the fourth weight block will be separated from the concave hole 219, at this moment, the shift of the center of gravity makes the inertia wheel 211 rotate, but because the fourth balancing weight closer to one end of the battery pack 140 after rotating is under the premise that the heat productivity of the battery pack 140 increases, the air bags 213 at the two ends of the fourth balancing weight will expand with higher speed, so that the second balancing weight and the fourth balancing weight can not return to the concave hole 219, because of the expansion of the fourth balancing weight, the first balancing weight and the third balancing weight will be extruded, and the first balancing weight and the third balancing weight will also be separated from the concave hole 219 correspondingly arranged. At this time, the first, second, third and fourth balancing weights are all separated from the corresponding concave holes 219.
And four one-sided rack plates 216, a spindle 323 is provided inside the fixed shaft 218, and the pins 215 are in contact with the one-sided rack plates 216, so that the third elastic member is compressed to press the one-sided rack plates 216 in an initial state. The four unilateral rack plates 216 are vertically arranged, each marble 215 is in contact with one unilateral rack plate 216, the third elastic element is compressed in an initial state, the mandrel 323 is meshed with the four unilateral rack plates 216 which are vertically arranged, so that the mandrel 323 is clamped, when the first balancing weight, the second balancing weight, the third balancing weight and the fourth balancing weight are separated from the concave holes 219 which are correspondingly arranged, the four unilateral rack plates 216 are driven to move, the four unilateral rack plates move in the same direction around the mandrel 323, the mandrel 323 can be driven to rotate, the mandrel 323 can drive the threaded shaft 324 in spiral transmission to move when rotating, the threaded shaft 324 is abutted against the fixture block shell 322, the fixture block shell 322 is driven to move, the fixture block 325 is driven to move in the direction away from the fourth gear 314, and the fourth gear 314 drives the driving screw 520 to clean the surface of the battery pack 140.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a new energy automobile battery heat abstractor which characterized in that: the temperature difference adjusting device comprises a box body provided with a plurality of fans and a temperature difference adjusting part, wherein a battery pack is arranged in the box body; the temperature difference adjusting part comprises a fixed shaft, a temperature difference driving mechanism, a first transmission mechanism, a second transmission mechanism, a reversing mechanism and a cleaning mechanism; two ends of the fixed shaft are fixedly arranged in the box body and are close to the battery pack; the temperature difference driving mechanism comprises a plurality of driving components and inertia wheels; the driving assemblies are arranged on the inertia wheel and are sequentially arranged in the circumferential direction of the fixed shaft, each driving assembly comprises an air bag and a balancing weight, the balancing weights are rotatably arranged on the fixed shaft, and the air bags are configured to expand when the temperature of the battery pack rises so that the gravity centers of the balancing weights shift to drive the inertia wheel to rotate; the inertia wheel rotates to drive a first transmission mechanism, and the first transmission mechanism is configured to drive the cleaning mechanism to perform forward cleaning on the battery pack; the reversing mechanism is configured to rotate the inertia wheel to drive the second transmission mechanism when the first transmission mechanism completes the forward cleaning of the cleaning mechanism, and the second transmission mechanism is configured to drive the cleaning mechanism to reversely clean the battery pack.
2. The new energy automobile battery heat abstractor of claim 1, characterized in that: the number of the driving assemblies is four, every two adjacent driving assemblies are vertically arranged, the number of the air bags is two, each driving assembly further comprises two mounting cavities, the two mounting cavities are respectively slidably mounted at two ends of the balancing weight, the air bags are mounted between the mounting cavities and the balancing weight, two ends of each balancing weight are provided with first elastic pieces, and the other ends of the first elastic pieces are connected with the inner wall of the inertia wheel; the fixing shaft is provided with a concave hole, the inner end of each balancing weight is connected with a marble through a third connecting piece, one of the configuration blocks is close to one end of the battery pack in an initial state, so that air bags arranged at two ends of the balancing weight are extruded in the circumferential direction when the temperature rises and expands, and the center of gravity of the balancing weight far away from the air bags shifts.
3. The new energy automobile battery heat abstractor of claim 1, characterized in that: the first transmission mechanism comprises a first gear, a duplicate gear, a third gear and a fourth gear; the first gear is coaxially arranged with the inertia wheel, the first gear is meshed with one gear in the duplicate gears, the third gear is meshed with the other gear in the duplicate gears, the third gear is configured to only allow one-way rotation, the third gear is coaxially arranged with the fourth gear, a clockwork spring is arranged between the third gear and the fourth gear, and the locking mechanism is used for limiting the rotation of the fourth gear so that the third gear rotates to drive the clockwork spring to accumulate force; the time interval of cleaning the battery pack by the cleaning mechanism is called as first preset time, the locking mechanism is configured to unlock the fourth gear when the third gear rotates to the first preset time, and the fourth gear is connected with the cleaning mechanism; the first transmission mechanism and the second transmission mechanism are symmetrically arranged around the temperature difference driving mechanism.
4. The new energy automobile battery heat abstractor of claim 3, characterized in that: the locking mechanism comprises a clamping block, a clamping block shell, a fifth gear and a cam disc; one end of the fourth gear is inserted into the clamping block to limit the fourth gear to rotate, the clamping block is connected with the clamping block shell through a fourth elastic piece, the clamping block shell is connected with the box body through a second elastic piece, the lower end of the clamping block is in contact with the cam disc, the third gear is coaxially provided with a fifth gear, and the cam disc is meshed with the fifth gear.
5. The new energy automobile battery heat abstractor of claim 3, characterized in that: the reversing mechanism comprises two switching racks, a supporting frame, a switching frame, a spring telescopic rod and a connecting rod; the two switching racks are connected through a switching frame, the connecting rod is connected with the switching frame, and the duplicate gear of the first transmission mechanism and the duplicate gear of the second transmission mechanism are rotatably arranged at two ends of the connecting rod; the spring telescopic rod is rotatably arranged in the support frame, the spring telescopic rod is obliquely arranged in an initial state, the upper end of the spring telescopic rod faces the direction close to the first transmission mechanism, the lower end of the spring telescopic rod faces the direction far away from the first transmission mechanism, the switching frame is connected with the spring telescopic rod, one switching rack in the initial state is meshed with the fourth gear of the first transmission mechanism, the other switching rack is far away from the fourth gear of the second transmission mechanism, and the duplicate gear of the second transmission mechanism is not meshed with the third gear; the unidirectional transmission direction of the third gear of the first transmission mechanism is opposite to that of the third gear of the second transmission mechanism.
6. The new energy automobile battery heat abstractor of claim 3, characterized in that: the cleaning mechanism comprises a driving screw and a cleaning brush, the driving screw is meshed with the fourth gear, the cleaning brush is in spiral transmission with the driving screw, and the cleaning brush is in contact with the surface of the battery pack so that when the driving screw rotates, the cleaning brush moves on the driving screw to clean the surface of the battery.
7. The new energy automobile battery heat abstractor of claim 1, characterized in that: the temperature difference regulating parts are two, and the two temperature difference regulating parts are arranged in the box body and are positioned at two ends of the battery pack, so that one side close to the battery pack can raise the temperature along with the heating of the battery pack.
8. The new energy automobile battery heat abstractor of claim 2, characterized in that: still include four unilateral rack boards, dabber and threaded spindle, the dabber sets up inside the fixed axle, and four unilateral rack boards set up perpendicularly and with the dabber meshing, every pellet shot from a slingshot and the contact of a unilateral rack board, and initial condition third elastic component is compressed, and four unilateral rack boards configure to can move in order to drive the dabber rotation around the dabber to same direction, dabber and threaded spindle screw drive, threaded spindle and fixture block shell butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583046.5A CN114937835A (en) | 2022-05-26 | 2022-05-26 | New energy automobile battery heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583046.5A CN114937835A (en) | 2022-05-26 | 2022-05-26 | New energy automobile battery heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114937835A true CN114937835A (en) | 2022-08-23 |
Family
ID=82863749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210583046.5A Withdrawn CN114937835A (en) | 2022-05-26 | 2022-05-26 | New energy automobile battery heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114937835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764110A (en) * | 2022-12-13 | 2023-03-07 | 南通市兴铭匠精密五金有限公司 | Lightweight energy storage battery box alloy shell and use method thereof |
| CN116231966A (en) * | 2023-02-17 | 2023-06-06 | 浙江闽立电动工具有限公司 | Motor structure on sander |
-
2022
- 2022-05-26 CN CN202210583046.5A patent/CN114937835A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115764110A (en) * | 2022-12-13 | 2023-03-07 | 南通市兴铭匠精密五金有限公司 | Lightweight energy storage battery box alloy shell and use method thereof |
| CN115764110B (en) * | 2022-12-13 | 2023-10-31 | 南通市兴铭匠精密五金有限公司 | Lightweight energy storage battery box alloy shell and application method thereof |
| CN116231966A (en) * | 2023-02-17 | 2023-06-06 | 浙江闽立电动工具有限公司 | Motor structure on sander |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114937835A (en) | New energy automobile battery heat abstractor | |
| CN210723162U (en) | High-efficient heat abstractor is used to lithium cell | |
| CN116207421A (en) | New energy automobile group battery protector | |
| CN113895550B (en) | Light storage and charging intelligent device for low-speed electric vehicle | |
| CN213936396U (en) | Lithium battery device with heat dissipation function | |
| CN219321541U (en) | Carbon fiber material new forms of energy battery safety protection casing | |
| CN114583330B (en) | Protective box provided with efficient heat conduction cooling structure and used for automobile power battery | |
| CN213520227U (en) | Lithium battery pack shell with good heat dissipation performance | |
| CN221067811U (en) | Portable charging pile base | |
| CN220710510U (en) | Energy storage battery cabinet | |
| CN217182316U (en) | Combined low-speed vehicle battery pack | |
| CN113809455A (en) | Environment-friendly biomass start-stop battery | |
| CN111430636A (en) | A guard box for new forms of energy battery | |
| CN221366634U (en) | High-power electric automobile fills electric pile | |
| CN114267906B (en) | Battery pack heat preservation control system of automobile with charging function | |
| CN218274866U (en) | Protection device of battery pack for forklift | |
| CN212967895U (en) | Cooling device of new energy automobile | |
| CN217721096U (en) | Novel photovoltaic energy storage power supply device | |
| CN212810648U (en) | Electronic locking device for new energy automobile charging socket | |
| CN217030484U (en) | High-pressure heater | |
| CN216750058U (en) | Energy storage power supply with full-automatic cooling mechanism | |
| CN217848972U (en) | Precious charging station that charges is with new 2P frame module assembly | |
| CN219575746U (en) | New energy automobile battery heat dissipation dustproof mechanism | |
| CN215600463U (en) | New energy automobile group battery protector | |
| CN215587212U (en) | Lithium cell dust removal brush with adjustable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220823 |
|
| WW01 | Invention patent application withdrawn after publication |