CN107221725B - Power battery box of electric automobile with movable heat insulation layer - Google Patents
Power battery box of electric automobile with movable heat insulation layer Download PDFInfo
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- CN107221725B CN107221725B CN201710390491.9A CN201710390491A CN107221725B CN 107221725 B CN107221725 B CN 107221725B CN 201710390491 A CN201710390491 A CN 201710390491A CN 107221725 B CN107221725 B CN 107221725B
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- support
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- heat insulation
- limiting
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- 238000009413 insulation Methods 0.000 title claims abstract description 105
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 239000012774 insulation material Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 238000004321 preservation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003028 elevating effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—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
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/6562—Gases with free flow by convection only
-
- 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
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a movable electric automobile power battery box of insulating layer, includes box, case lid, elevating system, locking mechanism, stop gear and heat preservation heat insulation device, heat preservation heat insulation device is including setting up in the insulating material layer of bottom half, lateral part to and set up in the movable heat insulating board at case lid top, this heat insulating board is through the operation cooperation that a plurality of elevating system and case lid do relative rise or descend to compress tightly, simultaneously, locking mechanism is responsible for carrying out rotary drive and providing the clamp force to the heat insulating board, and stop gear then fixes the heat insulating board of operating to the preset position. The design has the advantages of strong adjustability of the heat preservation and insulation device, contribution to realizing natural heat dissipation and battery heat management, small occupied space, good fixing effect and easy operation.
Description
Technical Field
The invention relates to a battery box for a vehicle, in particular to a battery box for an electric vehicle with a movable heat insulation layer, which is particularly suitable for enhancing the adjustability of a heat preservation and insulation device, is beneficial to realizing natural heat dissipation and saves energy.
Background
Battery temperature control has a significant impact on the performance of the power battery. The battery is used in a reasonable temperature range, and has long service life and high reliability. The power battery thermal management system controls the temperature of the battery system in a cooling or heating mode. The main functions of the electric automobile power battery thermal management system include: the heat of the battery is effectively dissipated when the temperature of the battery is high, so that the thermal runaway of the battery is prevented; preheating is carried out when the temperature of the battery is low, so that the temperature of the battery is raised, and the charging and discharging performances and the safety of the battery at low temperature are ensured; the temperature difference in the battery pack is reduced, and the service life of the battery at the high temperature position is prevented from being attenuated too fast, so that the whole service life of the battery pack is prolonged.
When the battery thermal management system works, in order to reduce heat exchange between the interior of the power battery box and the external environment, the working efficiency of the power battery thermal management system is improved, the energy consumption is reduced, and a heat insulation material is generally adhered to the surface of the power battery box. The power battery has a proper working temperature range of 15-35 ℃, so that the power battery can exchange heat with the external environment in a natural heat dissipation mode in the working process when the temperature is proper in spring and autumn without starting a thermal management system, thereby reducing the energy consumption of the whole vehicle and improving the endurance mileage of the electric automobile. However, as the heat insulation material is adhered to the surface of the battery box, the heat exchange between the interior of the battery box and the external environment is little, the temperature of the power battery pack can be gradually increased, and when the temperature in the battery box exceeds the working temperature threshold of the power battery, the power battery thermal management system must be started, so that waste is caused.
The invention patent application with the application publication number of CN104409793A and the application publication date of 2015, 3 and 11 discloses a power battery thermal management system for an electric automobile, which comprises a battery box, a lithium ion battery system, an air cooling system and a water cooling system, wherein the lithium ion battery system, the air cooling system and the water cooling system are arranged in the battery box, a heat preservation and insulation device is arranged in the battery box, and the heat preservation and insulation device is attached to the inner wall of the battery box. Although the invention can realize the thermal management of the battery system for the vehicle through the air cooling and water cooling system, it still has the following drawbacks:
the design is covered with the heat preservation and heat insulation device which can not move on the inner walls of the top, the bottom and the side parts of the box body, and when the design is used, the position of the heat preservation and heat insulation device can not be adjusted, so that heat exchange is difficult to be carried out between the inside and the outside environments of the battery box, natural heat dissipation is difficult to realize, and even in environments with proper temperature, such as spring and autumn, the battery heat management system still needs to be started frequently, and the resource waste is large.
Disclosure of Invention
The invention aims to overcome the defects and problems that a heat preservation and insulation device in the prior art is weak in adjustability and difficult to effectively and naturally dissipate heat, and provides a heat insulation layer movable electric vehicle power battery box which is strong in adjustability and easy to effectively and naturally dissipate heat.
In order to achieve the above object, the technical solution of the present invention is: the electric vehicle power battery box with the movable heat insulation layer comprises a box body, a box cover and a heat insulation material layer, wherein the heat insulation material layer is covered on the inner walls of the bottom and the side parts of the box body, and the box cover is covered on the top of the box body;
the top of case lid is provided with movable's heat insulating board, and the top surface of this heat insulating board is connected with elevating system's top, and the bottom of this elevating system is connected with the top surface of case lid.
The heat insulation board is of a layered structure and sequentially comprises an upper cover plate, a heat insulation material layer and a lower cover plate from top to bottom.
The lifting mechanism comprises an upper hinge support, a middle connecting rod and a lower hinge support, wherein the bottom of the upper hinge support is connected with the top surface of the heat insulation plate, the rotating connection end of the upper hinge support is hinged with the top end of the middle connecting rod, the bottom end of the middle connecting rod is hinged with the rotating connection end of the lower hinge support, the bottom of the lower hinge support is connected with the top surface of the box cover, and the middle connecting rod is vertically connected with the upper hinge support and the lower hinge support.
The number of the lifting mechanisms is at least three.
The power battery box further comprises a locking mechanism connected with the top surface of the heat insulation plate and the top surface of the box cover, the joint of the locking mechanism and the heat insulation plate is arranged near the side part of the heat insulation plate, the joint of the locking mechanism and the box cover is arranged near the side part of the box cover, and the area of the heat insulation plate is smaller than that of the box cover;
the locking mechanism comprises a rotating piece, a torsion spring, a locking hinge support and a locking base, wherein the bottom of the locking base is connected with the top surface of a box cover, a front fixing groove, a middle rotating groove and a rear fixing groove are sequentially formed in the top of the locking base, one end of the rotating piece is clamped into and connected with a notch of the front fixing groove or a notch of the rear fixing groove, the other end of the rotating piece is connected with one end of the torsion spring, the other end of the torsion spring is hinged with an outer rotating connecting end of the locking hinge support, the bottom of the locking hinge support is connected with the top surface of the heat insulation plate, the joint of the rotating piece and the torsion spring is in rotary fit with the notch of the middle rotating groove, the rotating piece is mutually perpendicular to the middle rotating groove and the locking hinge support, and the joint of the rotating piece and the torsion spring is lower than the joint of the torsion spring and the locking hinge support.
The rotating piece comprises a rotating plate, a hand touch plate and a plug spring part, one end of the rotating plate is vertically connected with the hand touch plate, a rotating hole is formed in the other end of the rotating plate for inserting a rotating shaft to conduct rotary fit, a fixing hole is formed in a position, located between the rotating hole and the hand touch plate, of the rotating plate, the fixing hole is clamped into a notch of a front fixing groove or a notch of a rear fixing groove through a fixing shaft, the plug spring part is arranged on the side portion, located between the rotating hole and the fixing hole, of the rotating plate, the plug spring part and the hand touch plate are located on two sides of the rotating plate respectively, and the interior of the plug spring part is connected with one end of a torsion spring.
The front fixing groove and the rear fixing groove respectively comprise two hanging lugs which are opposite to each other, coaxial hanging lug holes are formed in the two hanging lugs, a welding nut is correspondingly arranged on the locking base at the back of the front fixing groove and the rear fixing groove, and the nut holes of the welding nut are coaxially arranged with the corresponding hanging lug holes of the front fixing groove or the rear fixing groove.
The power battery box further comprises a limiting mechanism connected with the top surface of the heat insulation plate and the top surface of the box cover, the junction of the limiting mechanism and the heat insulation plate is arranged near the side part of the heat insulation plate, the junction of the limiting mechanism and the box cover is arranged near the side part of the box cover, and the area of the heat insulation plate is smaller than that of the box cover;
the limiting mechanism comprises a limiting clamping seat, a limiting pin support, a limiting pin cover and a limiting spring, wherein the bottom of the limiting pin support is connected with the top surface of the heat insulation plate, a pin seat hole is formed in the top of the limiting pin support, a limiting pin is inserted into the pin seat hole, one end, far away from the limiting clamping seat, of the limiting pin is connected with the inside of the limiting pin cover, one end, close to the limiting clamping seat, of the limiting pin is matched with a limiting hole in an inserting mode, the limiting hole is formed in the limiting pin, the limiting spring is sleeved on a part, located between the limiting pin support and the limiting hole, of the limiting pin, and the number of the limiting holes is at least two.
The limiting pin support comprises a support bottom plate and a support vertical plate, the support bottom plate is connected with the top surface of the heat insulation plate, the bottom of the support vertical plate is vertically connected with the support bottom plate, and a pin seat hole is formed in the top of the support vertical plate;
the limiting clamping seat comprises a clamping seat bottom plate and an arc-shaped clamping seat vertical plate, the clamping seat bottom plate is connected with the top surface of the box cover, the bottom of the clamping seat vertical plate is vertically connected with the clamping seat bottom plate, and at least two limiting holes are formed in the top of the clamping seat vertical plate along the arc-shaped edge of the clamping seat vertical plate.
The lifting connecting rod structure comprises a lifting upper support, a lifting connecting rod and a lifting lower support, wherein the bottom of the lifting upper support is connected with the top surface of the heat insulation plate, the lifting rotating end of the lifting upper support is hinged with the top end of the lifting connecting rod, the bottom end of the lifting connecting rod is hinged with the lifting rotating end of the lifting lower support, the bottom of the lifting lower support is connected with the top surface of the box cover, the lifting connecting rod is vertically connected with the lifting upper support and the lifting lower support, the lifting lower support is embedded into the clamping lower support, and the lifting upper support is located between the support vertical plate and the limiting hole.
Compared with the prior art, the invention has the beneficial effects that:
1. in the electric vehicle power battery box with the movable heat insulation layer, only the bottom and the side parts of the box body are covered with the heat insulation material layer which can not move, but the box cover at the top of the box body is covered with the movable heat insulation plate, the heat insulation plate is tightly pressed or separated from the box cover through the lifting mechanism, the heat insulation plate has strong position adjustability, when natural heat dissipation is needed, the lifting mechanism lifts the heat insulation plate to separate the heat insulation plate from the box cover and hangs the heat insulation plate above the box cover, so that effective natural heat dissipation is carried out, and when a thermal management system is needed to be started, the lifting mechanism lowers the heat insulation plate and tightly presses the heat insulation plate on the box cover, thereby being beneficial to battery thermal management. Therefore, the heat preservation and insulation device has strong adjustability and is easy to perform effective natural heat dissipation.
2. In the electric vehicle power battery box with the movable heat insulation layer, the lifting mechanism comprises the upper hinge support, the middle connecting rod and the lower hinge support, when the electric vehicle power battery box is used, the heat insulation plate is driven to rise or fall in a rotating mode through the rotation of the middle connecting rod relative to the upper hinge support and the lower hinge support, so that the natural heat dissipation requirement can be met, in addition, the structural design of the rotation lifting is convenient to operate, and the occupied space is small. Therefore, the invention is not only beneficial to realizing natural heat dissipation, but also occupies smaller space and is easy to operate.
3. The invention discloses a heat-insulating layer movable electric vehicle power battery box, which is further provided with a locking mechanism connected with the top surface of a heat-insulating plate and the top surface of a box cover, wherein the locking mechanism is arranged near the outer side parts of the heat-insulating plate and the box cover and mainly comprises a rotating part, a torsion spring, a locking hinge support and a locking base. Therefore, the invention is beneficial to realizing natural heat dissipation and battery thermal management.
4. The invention discloses a heat-insulating layer movable electric vehicle power battery box, which is additionally provided with a limiting mechanism connected with the top surface of a heat-insulating plate and the top surface of a box cover, wherein the limiting mechanism is arranged near the outer side parts of the heat-insulating plate and the box cover and comprises a limiting clamping seat, a limiting pin support, a limiting pin cover and a limiting spring. Therefore, the fixing effect of the invention is better, and the natural heat dissipation and the smooth performance of the battery heat management are facilitated.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic cross-sectional view of the thermal insulation plate of fig. 1.
Fig. 3 is a schematic view of the lifting mechanism in fig. 1.
FIG. 4 shows the locking mechanism and the locking mechanism of FIG. 1 schematic connection of the front fixing groove.
Fig. 5 is a schematic view showing the connection of the locking mechanism and the rear fixing groove in fig. 1.
Fig. 6 is a schematic view of the rotor of fig. 4.
Fig. 7 is a schematic structural view of the limiting mechanism in fig. 1.
Fig. 8 is a schematic structural view of the lifting link structure of fig. 7.
In the figure: the heat insulating cover 1, the heat insulating panel 2, the upper cover 21, the heat insulating material layer 22, the lower cover 23, the lifting mechanism 3, the upper hinge support 31, the middle link 32, the lower hinge support 33, the rotary link 34, the lock mechanism 4, the weld nut 40, the nut hole 401, the rotating member 41, the rotating plate 411, the hand touch plate 412, the plug spring part 413, the rotating hole 414, the fixing hole 415, the fixing shaft 416, the torsion spring 42, the locking hinge support 43, the outer rotary link 431, the locking base 44, the front fixing groove 45, the middle rotary groove 46, the rear fixing groove 47, the rotary shaft 48, the hanging lugs 49, the hanging lug holes 491, the limit mechanism 5, the limit clamping seat 51, the clamping seat bottom plate 511, the clamping seat vertical plate 512, the limit pin 52, the pin seat hole 521, the limit hole 522, the limit pin support 53, the support bottom plate 531, the support vertical plate 532, the limit pin cover 54, the limit spring 55, the lifting link structure 6, the lifting upper support 61, the lifting link 62, the lifting lower support 63, the lifting rotary end 64, the box 7, and the heat insulating material layer 8.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 8, a heat-insulating layer movable electric vehicle power battery box comprises a box body 7, a box cover 1 and a heat-insulating material layer 8, wherein the heat-insulating material layer 8 is covered on the inner walls of the bottom and the side parts of the box body 7, and the box cover 1 is covered on the top of the box body 7;
the top of the case cover 1 is provided with a movable heat insulation plate 2, the top surface of the heat insulation plate 2 is connected with the top end of the lifting mechanism 3, and the bottom end of the lifting mechanism 3 is connected with the top surface of the case cover 1.
The heat insulation board 2 is of a layered structure and comprises an upper cover plate 21, a heat insulation material layer 22 and a lower cover plate 23 from top to bottom.
The lifting mechanism 3 comprises an upper hinge support 31, a middle connecting rod 32 and a lower hinge support 33, the bottom of the upper hinge support 31 is connected with the top surface of the heat insulation plate 2, a rotary connecting end 34 of the upper hinge support 31 is hinged with the top end of the middle connecting rod 32, the bottom end of the middle connecting rod 32 is hinged with the rotary connecting end 34 of the lower hinge support 33, the bottom of the lower hinge support 33 is connected with the top surface of the box cover 1, and the middle connecting rod 32 is vertically connected with the upper hinge support 31 and the lower hinge support 33.
The number of the lifting mechanisms 3 is at least three.
The power battery box further comprises a locking mechanism 4 connected with the top surface of the heat insulation plate 2 and the top surface of the box cover 1, the joint of the locking mechanism 4 and the heat insulation plate 2 is arranged near the side part of the heat insulation plate 2, the joint of the locking mechanism 4 and the box cover 1 is arranged near the side part of the box cover 1, and the area of the heat insulation plate 2 is smaller than that of the box cover 1;
the locking mechanism 4 comprises a rotating member 41, a torsion spring 42, a locking hinge support 43 and a locking base 44, wherein the bottom of the locking base 44 is connected with the top surface of the box cover 1, a front fixing groove 45, a middle rotating groove 46 and a rear fixing groove 47 are sequentially formed in the top of the locking base 44, one end of the rotating member 41 is clamped and connected with a notch of the front fixing groove 45 or a notch of the rear fixing groove 47, the other end of the rotating member 41 is connected with one end of the torsion spring 42, the other end of the torsion spring 42 is hinged with an outer rotating connecting end 431 of the locking hinge support 43, the bottom of the locking hinge support 43 is connected with the top surface of the heat insulation plate 2, the joint of the rotating member 41 and the torsion spring 42 is in rotary fit with the notch of the middle rotating groove 46 through a rotary shaft 48, the joint of the rotating member 41 and the locking hinge support 43 is perpendicular to each other, and the joint of the rotating member 41 and the torsion spring 42 is lower than the joint of the torsion spring 42 and the locking hinge support 43.
The rotating member 41 includes a rotating plate 411, a hand touch plate 412 and a plug spring portion 413, one end of the rotating plate 411 is vertically connected with the hand touch plate 412, a rotating hole 414 is formed at the other end of the rotating plate 411 for inserting the rotating shaft 48 for rotation, a fixing hole 415 is formed at a position between the rotating hole 414 and the hand touch plate 412 on the rotating plate 411, the fixing hole 415 is clamped into and connected with a notch of the front fixing slot 45 or the rear fixing slot 47 through a fixing shaft 416, the plug spring portion 413 is arranged at a side portion of the rotating plate 411, which is positioned between the rotating hole 414 and the fixing hole 415, the plug spring portion 413 and the hand touch plate 412 are respectively positioned at two sides of the rotating plate 411, and an inner portion of the plug spring portion 413 is connected with one end of the torsion spring 42.
The front fixing groove 45 and the rear fixing groove 47 respectively comprise two hanging lugs 49 which are opposite to each other, the two hanging lugs 49 are provided with coaxial hanging lug holes 491, the positions, which are positioned on the back surfaces of the front fixing groove 45 and the rear fixing groove 47, of the locking base 44 are respectively provided with a welding nut 40 correspondingly, and the nut holes 401 of the welding nuts 40 are coaxially arranged with the hanging lug holes 491 of the front fixing groove 45 or the rear fixing groove 47 corresponding to the nut holes 401.
The power battery box further comprises a limiting mechanism 5 which is connected with the top surface of the heat insulation plate 2 and the top surface of the box cover 1, the junction of the limiting mechanism 5 and the heat insulation plate 2 is arranged near the side part of the heat insulation plate 2, the junction of the limiting mechanism 5 and the box cover 1 is arranged near the side part of the box cover 1, and the area of the heat insulation plate 2 is smaller than that of the box cover 1;
the limiting mechanism 5 comprises a limiting clamping seat 51, a limiting pin 52, a limiting pin support 53, a limiting pin cover 54 and a limiting spring 55, wherein the bottom of the limiting pin support 53 is connected with the top surface of the heat insulation plate 2, a pin seat hole 521 is formed in the top of the limiting pin support 53, the limiting pin 52 is inserted into the pin seat hole 521, one end, far away from the limiting clamping seat 51, of the limiting pin 52 is connected with the inside of the limiting pin cover 54, one end, close to the limiting clamping seat 51, of the limiting pin 52 is in insertion fit with a limiting hole 522 formed in the limiting clamping seat 51, the limiting spring 55 is sleeved outside a part, located between the limiting pin support 53 and the limiting hole 522, of the limiting pin 52, and the number of the limiting holes 522 is at least two.
The limiting pin support 53 comprises a support bottom plate 531 and a support vertical plate 532, the support bottom plate 531 is connected with the top surface of the heat insulation plate 2, the bottom of the support vertical plate 532 is vertically connected with the support bottom plate 531, and a pin seat hole 521 is formed in the top of the support vertical plate 532;
the limiting clamping seat 51 comprises a clamping seat bottom plate 511 and an arc-shaped clamping seat vertical plate 512, the clamping seat bottom plate 511 is connected with the top surface of the box cover 1, the bottom of the clamping seat vertical plate 512 is vertically connected with the clamping seat bottom plate 511, and at least two limiting holes 522 are formed in the top of the clamping seat vertical plate 512 along the arc-shaped edge of the clamping seat vertical plate.
A lifting connecting rod structure 6 is arranged between the support riser 532 and the clamping seat riser 512, the lifting connecting rod structure 6 comprises a lifting upper support 61, a lifting connecting rod 62 and a lifting lower support 63, the bottom of the lifting upper support 61 is connected with the top surface of the heat insulation plate 2, a lifting rotating end 64 of the lifting upper support 61 is hinged with the top end of the lifting connecting rod 62, the bottom end of the lifting connecting rod 62 is hinged with a lifting rotating end 64 of the lifting lower support 63, the bottom of the lifting lower support 63 is connected with the top surface of the box cover 1, the lifting connecting rod 62 is vertically connected with the lifting upper support 61 and the lifting lower support 63, the lifting lower support 63 is embedded into the clamping seat riser 512, and the lifting upper support 61 is positioned between the support riser 532 and the limiting hole 522.
The principle of the invention is explained as follows:
in order to cool the power battery pack in a mode of effectively utilizing natural heat dissipation in spring and autumn when the temperature is proper, so that the energy consumption of the whole vehicle is reduced, the endurance mileage is improved, the heat insulation plate is required to be designed into a structure capable of moving quickly, the heat insulation plate is tightly attached to the surface of a box cover of the battery box in cold winter and hot summer (meanwhile, the bottom of the box body and the inner walls of the peripheral side parts are covered with a non-moving heat insulation material layer), and a power battery thermal management system is started to control the temperature of the power battery; when the temperature is proper in spring and autumn, the heat insulation plate is removed, so that the heat insulation plate is suspended above the box cover and keeps a certain distance, natural heat dissipation of the power battery pack is facilitated, finally, energy consumption for heat management of the power battery is reduced, the heat insulation plate is convenient and quick to move, and occupied space is small.
1. Lifting mechanism and operation mode thereof:
when the heat insulation plate 2 is lifted up in a rotating way, the upper hinge support 31 and the top end of the middle connecting rod 32 relatively rotate, and meanwhile, the bottom end of the middle connecting rod 32 and the lower hinge support 33 relatively rotate, and the heat insulation plate 2 after being lifted up in a rotating way is separated from the top surface of the box cover 1 and is suspended right above the box cover 1.
2. Locking mechanism and its operation mode:
the locking mechanism can drive the heat insulating plate, but more important effect is that the heat insulating plate is pressed on the box cover of the battery box by utilizing the spring force of the locking mechanism, and because the heat insulating plate needs a certain pressure, the heat insulating plate is tightly attached to the box cover of the battery box, and thus, the heat insulating effect can be better.
By touching the plate 412 by hand to rotate the rotating plate 411, the rotating plate 411 rotates around the rotation shaft 48, the rotating plate 411 is turned into the notch of the front fixing groove 45, and the fixing shaft 416 is inserted into the fixing hole 415 to be fixed, at this time, the heat insulating plate 2 is lifted up; the rotation plate 411 is rotated into the notch of the rear fixing groove 47 and the fixing shaft 416 is inserted into the fixing hole 415 to be fixed, at this time, the heat shield 2 is lowered and the heat shield 2 is tightly pressed against the top surface of the case cover 1 by the torsion spring 42.
3. Limiting mechanism the operation mode is as follows:
when the heat insulation plate 2 rises or descends to a preset position, the limit pin 52 is pulled back through the limit pin cover 54, the limit spring 55 is compressed while pulling back, then the front end of the limit pin 52 after pulling back is aligned with the limit hole 522 to be inserted, and then the limit pin cover 54 is released, at this time, under the action of restoring force of the limit spring 55, the limit pin 52 is inserted into the aligned limit hole 522, so as to fix the connection position of the heat insulation plate 2 and the box cover 1.
4. Lifting connecting rod structure and operation mode thereof:
the structural design and the operation mode of the lifting connecting rod structure are consistent with those of the lifting mechanism.
Example 1:
referring to fig. 1 to 8, a heat-insulating layer movable electric vehicle power battery box comprises a box body 7, a box cover 1 and a heat-insulating material layer 8, wherein the heat-insulating material layer 8 is covered on the inner walls of the bottom and the side parts of the box body 7, and the box cover 1 is covered on the top of the box body 7;
the top of the box cover 1 is provided with a movable heat insulation plate 2, the top surface of the heat insulation plate 2 is connected with the top end of the lifting mechanism 3, the bottom end of the lifting mechanism 3 is connected with the top surface of the box cover 1. The heat insulation board 2 is preferably a layered structure, and comprises an upper cover plate 21, a heat insulation material layer 22 and a lower cover plate 23 from top to bottom.
Example 2:
the lifting mechanism 3 comprises an upper hinge support 31, a middle connecting rod 32 and a lower hinge support 33, the bottom of the upper hinge support 31 is connected with the top surface of the heat insulation plate 2, a rotary connecting end 34 of the upper hinge support 31 is hinged with the top end of the middle connecting rod 32, the bottom end of the middle connecting rod 32 is hinged with the rotary connecting end 34 of the lower hinge support 33, the bottom of the lower hinge support 33 is connected with the top surface of the box cover 1, and the middle connecting rod 32 is vertically connected with the upper hinge support 31 and the lower hinge support 33. The number of the lifting mechanisms 3 is at least three, preferably five, and the five lifting mechanisms 3 are arranged in the manner shown in fig. 1.
Example 3:
the basic content is the same as in example 1, except that:
the power battery box further comprises a locking mechanism 4 connected with the top surface of the heat insulation plate 2 and the top surface of the box cover 1, the joint of the locking mechanism 4 and the heat insulation plate 2 is arranged near the side part of the heat insulation plate 2, the joint of the locking mechanism 4 and the box cover 1 is arranged near the side part of the box cover 1, and the area of the heat insulation plate 2 is smaller than that of the box cover 1; the locking mechanism 4 comprises a rotating member 41, a torsion spring 42, a locking hinge support 43 and a locking base 44, wherein the bottom of the locking base 44 is connected with the top surface of the box cover 1, a front fixing groove 45, a middle rotating groove 46 and a rear fixing groove 47 are sequentially formed in the top of the locking base 44, one end of the rotating member 41 is clamped and connected with a notch of the front fixing groove 45 or a notch of the rear fixing groove 47, the other end of the rotating member 41 is connected with one end of the torsion spring 42, the other end of the torsion spring 42 is hinged with an outer rotating connecting end 431 of the locking hinge support 43, the bottom of the locking hinge support 43 is connected with the top surface of the heat insulation plate 2, the joint of the rotating member 41 and the torsion spring 42 is in rotary fit with the notch of the middle rotating groove 46 through a rotary shaft 48, the joint of the rotating member 41 and the locking hinge support 43 is perpendicular to each other, and the joint of the rotating member 41 and the torsion spring 42 is lower than the joint of the torsion spring 42 and the locking hinge support 43.
The rotating member 41 includes a rotating plate 411, a hand touch plate 412 and a plug spring portion 413, one end of the rotating plate 411 is vertically connected with the hand touch plate 412, a rotating hole 414 is formed at the other end of the rotating plate 411 for inserting the rotating shaft 48 for rotation, a fixing hole 415 is formed at a position between the rotating hole 414 and the hand touch plate 412 on the rotating plate 411, the fixing hole 415 is clamped into and connected with a notch of the front fixing slot 45 or the rear fixing slot 47 through a fixing shaft 416, the plug spring portion 413 is arranged at a side portion of the rotating plate 411, which is positioned between the rotating hole 414 and the fixing hole 415, the plug spring portion 413 and the hand touch plate 412 are respectively positioned at two sides of the rotating plate 411, and an inner portion of the plug spring portion 413 is connected with one end of the torsion spring 42. The front fixing groove 45 and the rear fixing groove 47 respectively comprise two hanging lugs 49 which are opposite to each other, the two hanging lugs 49 are provided with coaxial hanging lug holes 491, the positions, which are positioned on the back surfaces of the front fixing groove 45 and the rear fixing groove 47, of the locking base 44 are respectively provided with a welding nut 40 correspondingly, and the nut holes 401 of the welding nuts 40 are coaxially arranged with the hanging lug holes 491 of the front fixing groove 45 or the rear fixing groove 47 corresponding to the nut holes 401.
Implementation of the embodiments example 4:
the basic content is the same as in example 1, except that:
the power battery box further comprises a limiting mechanism 5 which is connected with the top surface of the heat insulation plate 2 and the top surface of the box cover 1, the junction of the limiting mechanism 5 and the heat insulation plate 2 is arranged near the side part of the heat insulation plate 2, the junction of the limiting mechanism 5 and the box cover 1 is arranged near the side part of the box cover 1, and the area of the heat insulation plate 2 is smaller than that of the box cover 1; the limiting mechanism 5 comprises a limiting clamping seat 51, a limiting pin 52, a limiting pin support 53, a limiting pin cover 54 and a limiting spring 55, wherein the bottom of the limiting pin support 53 is connected with the top surface of the heat insulation plate 2, a pin seat hole 521 is formed in the top of the limiting pin support 53, the limiting pin 52 is inserted into the pin seat hole 521, one end, far away from the limiting clamping seat 51, of the limiting pin 52 is connected with the inside of the limiting pin cover 54, one end, close to the limiting clamping seat 51, of the limiting pin 52 is in insertion fit with a limiting hole 522 formed in the limiting clamping seat 51, the limiting spring 55 is sleeved outside a part, located between the limiting pin support 53 and the limiting hole 522, of the limiting pin 52, and the number of the limiting holes 522 is at least two;
the limiting pin support 53 comprises a support bottom plate 531 and a support vertical plate 532, the support bottom plate 531 is connected with the top surface of the heat insulation plate 2, the bottom of the support vertical plate 532 is vertically connected with the support bottom plate 531, and a pin seat hole 521 is formed in the top of the support vertical plate 532; the limiting clamping seat 51 comprises a clamping seat bottom plate 511 and an arc-shaped clamping seat vertical plate 512, the clamping seat bottom plate 511 is connected with the top surface of the box cover 1, the bottom of the clamping seat vertical plate 512 is vertically connected with the clamping seat bottom plate 511, and at least two limiting holes 522 are formed in the top of the clamping seat vertical plate 512 along the arc-shaped edge of the clamping seat vertical plate.
Example 5:
the basic content is the same as in example 4, except that:
a lifting connecting rod structure 6 is arranged between the support riser 532 and the clamping seat riser 512, the lifting connecting rod structure 6 comprises a lifting upper support 61, a lifting connecting rod 62 and a lifting lower support 63, the bottom of the lifting upper support 61 is connected with the top surface of the heat insulation plate 2, a lifting rotating end 64 of the lifting upper support 61 is hinged with the top end of the lifting connecting rod 62, the bottom end of the lifting connecting rod 62 is hinged with a lifting rotating end 64 of the lifting lower support 63, the bottom of the lifting lower support 63 is connected with the top surface of the box cover 1, the lifting connecting rod 62 is vertically connected with the lifting upper support 61 and the lifting lower support 63, the lifting lower support 63 is embedded into the clamping seat riser 512, and the lifting upper support 61 is positioned between the support riser 532 and the limiting hole 522.
Claims (8)
1. The utility model provides a movable electric automobile power battery case of insulating layer, includes box (7), case lid (1) and insulating material layer (8), all be covered on the inner wall of the bottom of box (7), lateral part, and be covered with case lid (1), its characterized in that at the top of box (7):
the top of the box cover (1) is provided with a movable heat insulation plate (2), the top surface of the heat insulation plate (2) is connected with the top end of the lifting mechanism (3), and the bottom end of the lifting mechanism (3) is connected with the top surface of the box cover (1);
the power battery box further comprises a locking mechanism (4) which is connected with the top surface of the heat insulation plate (2) and the top surface of the box cover (1), the joint of the locking mechanism (4) and the heat insulation plate (2) is arranged near the side part of the heat insulation plate (2), the joint of the locking mechanism (4) and the box cover (1) is arranged near the side part of the box cover (1), and the area of the heat insulation plate (2) is smaller than the area of the box cover (1);
the locking mechanism (4) comprises a rotating piece (41), a torsion spring (42), a locking hinged support (43) and a locking base (44), wherein the bottom of the locking base (44) is connected with the top surface of the box cover (1), a front fixed groove (45), a middle rotating groove (46) and a rear fixed groove (47) are sequentially formed in the top of the locking base (44), one end of the rotating piece (41) is clamped and connected with a notch of the front fixed groove (45) or the rear fixed groove (47), the other end of the rotating piece (41) is connected with one end of the torsion spring (42), the other end of the torsion spring (42) is hinged with an outer rotating connecting end (431) of the locking hinged support (43), the bottom of the locking hinged support (43) is connected with the top surface of the heat insulation plate (2), the joint of the rotating piece (41) and the torsion spring (42) is in rotary fit with a notch of the middle rotating groove (46) through a rotary shaft (48), one end of the rotating piece (41) is perpendicular to the locking hinged support (43), and the joint of the torsion spring (42) is arranged at the joint of the torsion spring (42) below the joint of the locking hinged support (43);
the power battery box further comprises a limiting mechanism (5) which is connected with the top surface of the heat insulation plate (2) and the top surface of the box cover (1), the junction of the limiting mechanism (5) and the heat insulation plate (2) is arranged near the side part of the heat insulation plate (2), the junction of the limiting mechanism (5) and the box cover (1) is arranged near the side part of the box cover (1), and the area of the heat insulation plate (2) is smaller than the area of the box cover (1);
the limiting mechanism (5) comprises a limiting clamping seat (51), a limiting pin (52), a limiting pin support (53), a limiting pin cover (54) and a limiting spring (55), wherein the bottom of the limiting pin support (53) is connected with the top surface of the heat insulation plate (2), a pin seat hole (521) is formed in the top of the limiting pin support (53), the limiting pin (52) is inserted into the pin seat hole (521), one end, far away from the limiting clamping seat (51), of the limiting pin (52) is connected with the inside of the limiting pin cover (54), one end, close to the limiting clamping seat (51), of the limiting pin (52) is in insertion fit with a limiting hole (522) formed in the limiting clamping seat (51), the limiting spring (55) is sleeved outside the part, located between the limiting pin support (53) and the limiting hole (522), of the limiting pin (52), and the number of the limiting holes (522) is at least two.
2. The insulation layer movable electric vehicle power battery box according to claim 1, wherein: the heat insulation board (2) is of a layered structure and sequentially comprises an upper cover plate (21), a heat insulation material layer (22) and a lower cover plate (23) from top to bottom.
3. The insulation layer movable electric vehicle power battery box according to claim 1 or 2, characterized in that: the lifting mechanism (3) comprises an upper hinge support (31), a middle connecting rod (32) and a lower hinge support (33), the bottom of the upper hinge support (31) is connected with the top surface of the heat insulation plate (2), a rotary connecting end (34) of the upper hinge support (31) is hinged with the top end of the middle connecting rod (32), the bottom end of the middle connecting rod (32) is hinged with the rotary connecting end (34) of the lower hinge support (33), the bottom of the lower hinge support (33) is connected with the top surface of the box cover (1), and the middle connecting rod (32) is vertically connected with the upper hinge support (31) and the lower hinge support (33).
4. A thermal insulation layer movable electric vehicle power battery box according to claim 3, characterized in that: the number of the lifting mechanisms (3) is at least three.
5. The insulation layer movable electric vehicle power battery box according to claim 1 or 2, characterized in that: the rotating piece (41) comprises a rotating plate (411), a hand touch plate (412) and a plug spring part (413), one end of the rotating plate (411) is vertically connected with the hand touch plate (412), a rotating hole (414) is formed in the other end of the rotating plate (411) for inserting a rotating shaft (48) for rotating fit, a fixing hole (415) is formed in a position, located between the rotating hole (414) and the hand touch plate (412), of the rotating plate (411), the fixing hole (415) is clamped into a notch of a front fixing groove (45) or a rear fixing groove (47) through a fixing shaft (416), the plug spring part (413) is arranged on the side portion, located between the rotating hole (414) and the fixing hole (415), of the rotating plate (411), the plug spring part (413) and the hand touch plate (412) are located on two sides of the rotating plate (411) respectively, and the plug spring part (413) is connected with one end of a torsion spring (42).
6. The insulation layer movable electric vehicle power battery box according to claim 1 or 2, characterized in that: the front fixing groove (45) and the rear fixing groove (47) respectively comprise two hanging lugs (49) which are just opposite to each other, coaxial hanging lug holes (491) are formed in the two hanging lugs (49), welding nuts (40) are correspondingly arranged on the locking base (44) and located on the back sides of the front fixing groove (45) and the rear fixing groove (47), and nut holes (401) of the welding nuts (40) are coaxially arranged with the corresponding hanging lug holes (491) of the front fixing groove (45) or the corresponding hanging lug holes (491) of the rear fixing groove (47).
7. The insulation layer movable electric vehicle power battery box according to claim 1 or 2, characterized in that:
the limiting pin support (53) comprises a support bottom plate (531) and a support vertical plate (532), the support bottom plate (531) is connected with the top surface of the heat insulation plate (2), the bottom of the support vertical plate (532) is vertically connected with the support bottom plate (531), and a pin seat hole (521) is formed in the top of the support vertical plate (532);
the limiting clamping seat (51) comprises a clamping seat bottom plate (511) and an arc-shaped clamping seat vertical plate (512), the clamping seat bottom plate (511) is connected with the top surface of the box cover (1), the bottom of the clamping seat vertical plate (512) is vertically connected with the clamping seat bottom plate (511), and at least two limiting holes (522) are formed in the top of the clamping seat vertical plate (512) along the arc-shaped edge of the top of the clamping seat vertical plate.
8. The insulation pack-removable electric vehicle power battery box of claim 7, wherein: the lifting connecting rod structure (6) is arranged between the support riser (532) and the clamping seat riser (512), the lifting connecting rod structure (6) comprises a lifting upper support (61), a lifting connecting rod (62) and a lifting lower support (63), the bottom of the lifting upper support (61) is connected with the top surface of the heat insulation plate (2), a lifting rotating end (64) of the lifting upper support (61) is hinged with the top end of the lifting connecting rod (62), the bottom end of the lifting connecting rod (62) is hinged with the lifting rotating end (64) of the lifting lower support (63), the bottom of the lifting lower support (63) is connected with the top surface of the box cover (1), the lifting connecting rod (62) is vertically connected with the lifting upper support (61) and the lifting lower support (63), the lifting lower support (63) is embedded into the clamping seat riser (512), and the lifting upper support (61) is located between the support riser (532) and the limiting hole (522).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710390491.9A CN107221725B (en) | 2017-05-27 | 2017-05-27 | Power battery box of electric automobile with movable heat insulation layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710390491.9A CN107221725B (en) | 2017-05-27 | 2017-05-27 | Power battery box of electric automobile with movable heat insulation layer |
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| Publication Number | Publication Date |
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| CN107221725B true CN107221725B (en) | 2023-10-10 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108045441B (en) * | 2017-12-11 | 2020-09-15 | 北京新能源汽车股份有限公司 | Floor and electric automobile |
| WO2021129875A1 (en) * | 2019-12-26 | 2021-07-01 | 奥动新能源汽车科技有限公司 | Charging unit temperature adjustment system, charging case, swapping station, and energy storage station |
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