CN109649214B - Lifting type battery box capable of being accurately positioned and locked - Google Patents
Lifting type battery box capable of being accurately positioned and locked Download PDFInfo
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- CN109649214B CN109649214B CN201811614932.XA CN201811614932A CN109649214B CN 109649214 B CN109649214 B CN 109649214B CN 201811614932 A CN201811614932 A CN 201811614932A CN 109649214 B CN109649214 B CN 109649214B
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- 238000009434 installation Methods 0.000 abstract description 10
- 239000010410 layer Substances 0.000 description 27
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a lifting type battery box capable of accurately positioning and locking, which comprises a battery rack and a bracket for fixing and locking the battery rack, wherein the bracket is fixed on a vehicle, and the battery rack comprises: the frame body module is one or more layers, each layer of frame body module consists of a bottom support and a side frame body vertically arranged on the bottom support, a space for accommodating a battery is formed between the bottom support and the side frame body, and a groove is formed below the bottom support; the guiding and positioning component is arranged on the frame body module and is matched with the groove; the bracket comprises a fixed main body, an X-direction guiding component, a Y-direction guiding component, a guiding locking component and a Z-direction locking mechanism. The invention can solve the problems of battery replacement and battery capacity of the new energy electric vehicle, and can improve the installation reliability and stability of the battery box and ensure the stability and safety in use.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a lifting type battery box capable of being positioned and locked accurately.
Background
In recent years, new energy automobiles are rapidly developed, electric vehicles which rely on storage batteries as driving energy have no harmful gas emission pollution in running, the noise is low, the main problem affecting the development of the electric vehicles at present is the problem of battery charging of the electric vehicles, and the improvement and popularization of battery charging stations are gradually carried out in the field of new energy automobiles.
In order to further develop and popularize new energy electric vehicles, on the basis of the existing work of popularizing a charging station for replacing batteries, the problems of the replacement speed, convenience, capacity of a battery box and the like of the battery box are also required to be solved, and the method is particularly important for large or heavy electric vehicles.
In addition, when the battery box is replaced by the new energy electric automobile, particularly when the battery box is replaced by the hoisting type electric automobile, the problems that positioning is difficult or positioning accuracy cannot be guaranteed often exist, so that the battery box is low in replacement speed and inconvenient to operate. Meanwhile, after the replacement is completed, there may be a problem in that the installation stability is insufficient. The new energy electric automobile often encounters the problem of turning, accelerating and road conditions are not good in the driving process, vibration jolt or impact can be brought in the driving process, if the installation stability of the battery box is insufficient, great influence can be brought to the stability of the automobile, under serious conditions, even the battery box can not work or be directly thrown out, so that serious traffic accidents can be caused.
Based on the above circumstances, there is a need to improve the installation stability of a battery box of a new energy electric vehicle, especially a large or heavy electric vehicle, so as to ensure the stability and safety in use.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a lifting type battery box capable of being accurately positioned and locked, and solves the problems of high replacement speed and convenience of the battery box and mounting stability of the battery box.
In order to achieve the above purpose, the invention adopts the following technical scheme:
can accurate location locking hoist and mount formula battery box, including battery rack and the bracket that is used for fixed locking battery rack, the bracket is fixed on the vehicle, wherein:
the battery rack includes:
the frame body module is one or more layers, each layer of frame body module consists of a bottom support and a side frame body vertically arranged on the bottom support, a space for accommodating a battery is formed between the bottom support and the side frame body, and a groove is formed below the bottom support;
the guide positioning component is arranged on the frame body module, is vertically arranged on the side surface frame body, and protrudes out of the upper end edge of the side surface frame body, and has a cone shape, and the cone shape is matched with the groove;
the bracket includes:
a fixing body fixed to a vehicle to which the battery rack is mounted;
the X-direction guiding component is arranged on the fixed main body and is used for realizing rough guiding in the X direction when the battery rack is hoisted;
the Y-direction guiding component is arranged on the fixed main body and is used for realizing rough guiding in the Y direction when the battery rack is hoisted;
the guiding locking component is arranged on the fixed main body and used for realizing accurate positioning in the X, Y direction when the battery rack is hoisted;
the Z-direction locking mechanism is arranged on the fixed main body and used for locking the battery rack in X, Y, Z direction after being hoisted in place.
Optionally, when the frame modules are multi-layered, except for the frame module at the bottommost layer, the frame modules at each layer are identical in structure, the frame modules at the multi-layered layer are arranged up and down, the frame module at the lower layer is rapidly positioned with the groove of the frame module at the upper layer through the guiding and positioning component, and the guiding and positioning component is inserted into the groove and is locked and connected by adopting a connecting piece, so that a multi-layered stacking structure is formed; the bottom of the bottommost frame body module is provided with a hole matched with the guiding locking component of the bracket for positioning and locking.
Optionally, the bottom support comprises a first rectangular frame and a horizontal rod, and the horizontal rod is located in the first rectangular frame and is vertically connected with the long side of the first rectangular frame.
Optionally, the number of the horizontal rods is 1 or more, and the plurality of the horizontal rods are uniformly distributed along the long side of the first rectangular frame body.
Optionally, the plane of the side frame body is perpendicular to the plane of the bottom support, and the plane of the side frame body and the plane of the bottom support share a long side.
Optionally, the side frame body is composed of a second rectangular frame body and a vertical rod piece, and the vertical rod piece is located in the second rectangular frame body and is vertically connected with the long side of the second rectangular frame body.
Optionally, the guiding and positioning component is located in the plane where the side frame body is located and is parallel to the vertical rod piece, the lower end of the guiding and positioning component is fixed on the long edge below the second rectangular frame body, and the upper end of the guiding and positioning component passes through the long edge above the second rectangular frame body and protrudes out of the edge of the upper end of the side frame body.
Optionally, the upper part of the side frame body of the frame body module is provided with a buffer part for buffering when the frame body modules are stacked.
Optionally, the buffer parts are arranged at corners of the side frame body and are symmetrically arranged.
Preferably, the X-direction guide member is disposed at an outer side of the fixing body, the Y-direction guide member is disposed at an inner side of the fixing body, and a space for fixing a battery holder is formed among the X-direction guide member, the Y-direction guide member, and the fixing body.
Preferably, the fixing body is a rectangular frame, the X-direction guiding members are disposed on two opposite long sides of the rectangular frame, the Y-direction guiding members are disposed on two opposite short sides of the rectangular frame, and the guiding locking members are disposed on the inner side of the X-direction guiding members and have a gap with the X-direction guiding members.
Preferably, the X-direction guiding member is a column member, and an inclined surface is provided at an upper end of the column member, and faces the inner side of the fixing body, for guiding the positioning of the battery rack during lifting.
Preferably, the Y-direction guiding member is also a column member, and an upper end portion of the column member is provided with a slope facing an inner side of the fixing body for guiding positioning of the battery frame during lifting.
More preferably, the height of the guiding and locking member is smaller than the height of the X-guiding member and the Y-guiding member, and the lowest end of the inclined surface of the X-guiding member and the Y-guiding member is higher than the height of the guiding and locking member.
Preferably, the guide locking component is a pin shaft, and the upper end part of the pin shaft is a conical surface and is used for being matched with a conical hole on the bottom surface of the battery rack to finish accurate positioning.
Preferably, the Z-direction locking mechanism includes: the rear end of the lock pin is connected with the spring, and the front end of the lock pin is connected with a corresponding pin hole on the battery frame under the pulling of the cylinder; the lower part of the lock pin is provided with a self-locking surface which is connected with a corresponding pin hole on the battery rack to prevent the lock pin from sliding.
Preferably, the Z-direction locking mechanism is disposed at one side of each of the X-direction guide members; the X-direction guide components are multiple and symmetrically arranged on two opposite sides of the fixed main body.
Preferably, the device is further provided with a connector guide member for enabling accurate insertion of the plug and socket of the connector, avoiding damaging the connector.
Compared with the prior art, the invention has the following beneficial effects:
the modularized battery box can realize reliable positioning connection through the matching of the grooves between the frame body modules and the guiding and positioning components, can well solve the problems of the replacement speed and the convenience of the battery rack by adopting a hoisting mode, and can greatly improve the capacity of the battery to be replaced each time according to the number of layers of the multi-layer stacking structure, thereby solving the problems of battery replacement and battery capacity of new energy electric vehicles, and being particularly beneficial to popularization and application of the new energy electric vehicles for large or heavy electric vehicles.
The invention is suitable for hoisting and replacing the battery frame, and accurately positions the battery frame through multiple guiding measures such as the X-direction guiding component, the Y-direction guiding component, the guiding locking component, the connector guiding component and the like, thereby ensuring the reliability of the installation of the battery box in hoisting, locking the battery box through the Z-direction locking mechanism, further ensuring the stability of the battery box in installation and various conditions in the use process of the vehicle, greatly reducing the problems caused by the battery box and prolonging the service life of the battery.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIGS. 1a and 1b are schematic views showing the overall structure of a battery case according to an embodiment of the present invention;
FIG. 2 is a schematic view of a single-layer frame module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an assembled multi-layer frame module according to an embodiment of the invention;
FIG. 4 is a schematic view of a bracket according to an embodiment of the present invention;
fig. 5 is a schematic view of a battery rack X, Y locking structure according to an embodiment of the invention;
FIG. 6 is a schematic view showing a partial structure of a battery holder in a Z-direction locking mode according to an embodiment of the present invention;
FIG. 7 is a schematic view of a Z-direction locking mechanism of a battery rack according to an embodiment of the present invention;
in the figure: 100 is a frame module, 101 is a bottom support, 102 is a side frame, 103 is a groove, 104 is a first rectangular frame, 105 is a horizontal rod, 106 is a second rectangular frame, 107 is a vertical rod, and 108 is a buffer; 109 is a guiding and positioning component and 110 is a cone;
200 is a fixing body, 201 is a reinforcing support bar, 202 is an X-direction guide member, 203 is a Y-direction guide member, 204 is a guide locking member, 205 is a Z-direction locking mechanism, 206 is a connector guide member, 207 is a lock pin, 208 is a cylinder, and 209 is a spring.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
Referring to fig. 1a and 1b, a structure diagram of an embodiment of a lifting battery box capable of accurately positioning and locking according to the present invention includes a battery rack and a bracket for fixing and locking the battery rack, where the bracket is fixed on a vehicle.
Referring to fig. 2, there is shown an embodiment of the battery rack shown in fig. 1a and 1b, which includes: the frame module 100 and the guide positioning member 109 provided on the frame module 100. The frame module 100 shown in fig. 2 is a layer, the frame module 100 is composed of a bottom support 101 and a side frame 102 vertically arranged on the bottom support 101, a space for accommodating batteries is formed between the bottom support 101 and the side frame 102, and a groove 103 is arranged below the bottom support 101; the guiding and positioning member 109 is vertically disposed on the side frame 102, and an end portion of the guiding and positioning member 109 protruding from the upper end edge of the side frame 102 is shaped as a cone 110, and the shape of the cone 110 matches the shape of the groove 103. In this embodiment, the space formed between the bottom support 101 and the side frame 102 to accommodate the battery may be sized according to the actual battery size. The frame module 100 is generally rectangular parallelepiped in shape. The bottom support 101 and the side frame 102 are also rectangular. Of course, this is just one embodiment of the present invention, and in other embodiments, the shapes of the bottom support 101 and the side frame 102 may be adjusted as desired.
Specifically, as can be seen from fig. 2, the bottom support 101 is composed of a first rectangular frame 104 and a horizontal bar 105, and the horizontal bar 105 is located in the first rectangular frame 104 and is vertically connected to the long side of the first rectangular frame 104. The number of the horizontal rods 105 is 1 or more, and 1 or more horizontal rods 105 are uniformly distributed along the long side of the first rectangular frame 104. The number of horizontal bars 105 can be adjusted according to the size and weight of the battery, and can be made of general steel, but other materials with sufficient rigidity can be adopted.
Correspondingly, the side frame 102 is composed of a second rectangular frame 106 and a vertical rod 107, and the vertical rod 107 is located in the second rectangular frame 106 and is vertically connected with the long side of the second rectangular frame 106. The number of the vertical rods 107 is 1 or more, and the plurality of vertical rods 107 are uniformly distributed along the short side of the second rectangular frame 106. The vertical rod 107 may be made of a general steel material, but may be made of other materials with sufficient rigidity.
In a preferred embodiment, the plane of the side frame 102 is perpendicular to the plane of the bottom support 101, and the two share a common edge. The guiding and positioning component 109 is located in the plane of the side frame 102 and is parallel to the vertical rod 107, the lower end of the guiding and positioning component 109 is fixed on the long side below the second rectangular frame 106, and the upper end of the guiding and positioning component 109 passes through the long side above the second rectangular frame 106 and protrudes out of the upper end edge of the side frame 102. The number of the guide positioning members 109 is 1 or more, and the guide positioning members 109 are symmetrically distributed according to the opposite surfaces of the rectangular parallelepiped.
Referring to fig. 3, in another embodiment of the present invention, the frame modules 100 have multiple layers, and each layer of frame modules 100 has the same structure except the bottommost layer, and the multiple layers of frame modules 100 are arranged up and down: the frame module 100 located at the lower layer is rapidly positioned with the groove 103 of the frame module 100 located at the upper layer through the guiding and positioning component 109, and the guiding and positioning component 109 is inserted into the groove 103 and is locked and connected by adopting a connecting piece, so that a multi-layer stacking structure is formed. The bottom of the bottommost frame module 100 is provided with a hole which is matched with the guiding locking component on the bracket to realize positioning locking. In the preferred example shown in the drawings, the frame modules 100 are generally rectangular parallelepiped in shape, except that the rectangular parallelepiped of each frame module 100 has no upper surface, and the lower surface of the rectangular parallelepiped of the frame module 100 of the upper layer is the upper surface of the rectangular parallelepiped of the frame module 100 of the next layer. The connecting piece can be a high-strength bolt or other connecting pieces. The number of layers of the frame module 100 may be theoretically unlimited, but in practical applications, it needs to be determined according to the actual situation of the electric vehicle, and generally does not exceed the height of the cab, for example, in a specific embodiment, the battery box size: 2500 x 1000 x 180mm (L x W x H), battery box weight: 2.5t (where the battery weighs about 2 t), for large or heavy vehicles (tractors, city trucks, etc.), the frame module 100 may be of a 6-layer split modular frame design with battery replacement by integral lifting from the top of the vehicle.
As shown in fig. 2, the protruding upper end portion of the guide positioning member 109 is tapered in shape to facilitate positioning and connection with the recess 103 when the multi-layered frame module 100 is stacked. The height of the bulge is set according to the actual situation, so that the height can be conveniently guided by the cone on one hand, and the upper layer and the lower layer can be reliably positioned on the other hand, so that the bulge is further locked by the connecting piece.
In some preferred embodiments, the upper portion of the side frame 102 of the frame module 100 is provided with a cushioning portion 108 for cushioning when the multi-layered frame module 100 is stacked. The cushioning portion 108 may be formed of a resilient material that is glued or otherwise attached to the upper portion of the side frame 102. In an embodiment, when the frame module 100 is a cuboid, the buffer portions 108 are disposed at corners of the side frame 102 and are symmetrically disposed.
When the battery frame embodiment of the present invention is used, the battery is placed in the space between the frame body module 100, i.e. the bottom support 101 and the side frame body 102, the size of each layer of frame body module 100 can be set according to the needs, and when the multi-layer frame body modules 100 are stacked, a hoisting mode is adopted, the bottom groove 103 of the upper layer of frame body module 100 and the guiding and positioning component 109 of the lower layer of frame body module 100 are used for guiding and positioning, and locking connection is performed through the connecting piece, so that the multi-layer battery box with large capacity can be formed.
As shown in fig. 4, the fixing body 200 shown in the drawing is a rectangular frame, the X-direction guide members 202 are provided on opposite long sides of the rectangular frame, the Y-direction guide members 203 are provided on opposite short sides of the rectangular frame, and the guide locking members 204 are provided inside the X-direction guide members 202 with a gap from the X-direction guide members 202.
In a preferred embodiment, a reinforcing support bar 201 for reinforcing support is provided in the middle of the fixing body 200 to increase the strength of the entire fixing body 200, ensure the stability of the installation of the entire battery case, prevent the insufficient rigidity of the fixing body 200 on the vehicle in use, and improve safety.
In a preferred embodiment, the X-direction guide 202 is disposed at the outer side of the fixing body 200, and the X-direction guide 202 is a column, and the upper end of the column is provided with a slope facing the inner side of the fixing body 200 for guiding the positioning of the battery rack during the lifting. The X-direction guide members 202 are provided in plurality and symmetrically disposed at both opposite sides of the fixing body 200. The X-direction guide member 202 is provided on the outer side of the fixing body 200, and the Y-direction guide member 203 is provided on the inner side of the fixing body 200, and a space for fixing the battery holder is formed between the X-direction guide member 202, the Y-direction guide member 203, and the fixing body 200.
In a preferred embodiment, referring to fig. 4, the columns of the X-direction guiding component 202 are square columns, the top ends of the square columns are inclined planes, and the angle of the inclined planes can be set according to the needs, for example, the inclined planes are smaller than 45 degrees. Of course, in other embodiments, the columns may have other shapes, and are not limited to square.
In a preferred embodiment, the Y-guide 203 is also a column, the upper end of which is provided with a slope facing the inside of the fixing body 200 for guiding the positioning of the battery rack during lifting. Accordingly, referring to fig. 4, the column of the Y-direction guide 203 is square, and the top of the square is inclined, and the angle of the inclined surface may be set as required, for example, the inclined angle is smaller than 45 degrees. Of course, in other embodiments, the columns may have other shapes, and are not limited to square.
In a preferred embodiment, the guide locking member 204 is a pin, and the upper end of the pin is a conical surface for mating with a conical hole in the bottom surface of the battery rack to achieve accurate positioning. The height of the guide locking member 204 is smaller than the heights of the X-guide member 202 and the Y-guide member 203, and the lowest ends of the slopes of the X-guide member 202 and the Y-guide member 203 are higher than the height of the guide locking member 204. Thus, when the battery rack is hoisted and installed, the X direction and the Y direction are completed first, and then the battery rack is accurately positioned through the guide locking part 204.
In a specific embodiment, the conical surface of the pin shaft on the fixing body 200 is matched with the corresponding conical hole surface on the battery rack to be hoisted and replaced to realize the gapless locking of the battery rack and the fixing body 200; due to conical surface matching, the phenomenon that a plurality of common pin holes cannot be matched and pulled out due to the precision problem is avoided; the single pin shaft can bear 20 tons of tangential force without breaking, and has high locking strength. The X-direction locking and the Y-direction locking are realized through the structure.
In a preferred embodiment, as shown in fig. 5, a Z-lock mechanism 205 is provided on one side of each X-guide member 202 for accomplishing Z-locking.
As shown in fig. 6 and 7, in a preferred embodiment, the Z-lock mechanism 205 includes: the rear end of the lock pin 207 is connected with the spring 209, and the front end of the lock pin 207 is connected with a corresponding pin hole on the battery frame under the pulling of the cylinder 208; the lower portion of the locking pin 207 is provided with a self-locking surface which is connected with a corresponding pin hole on the battery rack to prevent the locking pin 207 from sliding. The structure can ensure the reliability of the whole locking.
In a specific embodiment, the locking is completed through 4 sets of Z-direction locking mechanisms 205, so that the Z-direction locking is realized; the spring force of the single set of Z-direction locking mechanism 205 can ensure that the vehicle is at 50m/s during the running process of the vehicle 2 Under the acceleration condition, the pin is not out of stock, particularly, the lower part of the lock pin is a self-locking surface, the lock pin cannot slide no matter how large Z-direction impact force is born, and the locking reliability is ensured; when the power is replaced, the lock pin is pulled by the air cylinder to unlock, and the unlocking is simple and reliable; the locking state is communicated with the vehicle in real time, so that the running safety of the vehicle is ensured.
As another preferred embodiment, the bracket is further provided with a connector guide member 206, and the connector guide member 206 is used to enable the plug and socket of the connector to be accurately inserted, so as to avoid damaging the connector. The connector guide member 206 may be provided to be connected to the reinforcing support bar 201 in the middle of the fixing body 200. The specific position of the connector is designed according to the plug and the socket of the connector.
The above is one of the preferred structural designs in the present invention, and of course, in other embodiments, each preferred structure may be used alone, or may be used in any combination without collision, so that the effect will be better when used in combination.
When the lifting battery box of the above preferred embodiment is lifted and installed, the bottom of the battery frame is provided with a corresponding pin hole, the side surface of the battery frame is provided with a pin conical surface corresponding to the lock pin 207, the X-direction and Y-direction guiding is realized firstly by the X-direction guiding component 202 and the Y-direction guiding component 203, then the fine positioning of the battery frame and the bracket is realized by the guiding locking component 204, and the accurate positioning is performed by multiple guiding measures such as the connector guiding component 206, etc., in a specific application example:
(1) Guiding performance: the guiding design is suitable for parking the vehicle body at any position within 100mm of deviation, so that a driver can park conveniently, the positioning precision of the power conversion robot is reduced, the complexity of equipment is reduced, and the power conversion success rate is improved;
(2) Accurate direction: 4-level guiding is realized through the Z-direction height difference, and the step-by-step guiding ensures that the plug and the socket of the quick-change connector can be accurately inserted, so that the connector is prevented from being damaged;
(3) Locking performance: through multiple locking, the whole connection structure is reliable and safe.
The invention ensures the reliability of the battery box in the hoisting process, locks the battery box through the Z-direction locking mechanism, and further ensures the stability of the battery box in the installation and various conditions in the use process of the vehicle.
The above examples were analyzed by simulating the requirements for the vibration part test in GB/T31467.3 by statics analysis and amplifying by a certain amount (as shown in the following table), and performing simulation analysis on four working conditions, respectively: acceleration and deceleration of the vehicle, sharp turning of the vehicle, jolt of the road surface, and hoisting by changing electricity;
| name of the name | Maximum acceleration in standard | The acceleration used for analysis | Amplification factor |
| Z direction | 1.44g | 2g | 1.29 |
| Y-direction | 1.23g | 2g | 1.63 |
| X-direction | 0.96g | 2g | 2.08 |
Structural analysis: according to the analysis result, if the amplification factors in the analysis are considered, the safety factors under 4 working conditions of acceleration and deceleration of the vehicle, sharp turning of the vehicle, bumping of the road surface and hoisting of the battery replacement are all about 10 times, and the calculation result shows that the battery box is high in design strength, safe and redundant, safe and reliable.
| Name of the name | Maximum stress | Yield stress | Stress at break | Elastic safety coefficient | Fracture safety coefficient |
| Z direction | 37.968MPa | 235MPa | 370MPa | 6.189423 | 9.745048 |
| Y-direction | 45.022MPa | 235MPa | 370MPa | 5.21967 | 8.218204 |
| X-direction | 87.47MPa | 235MPa | 370MPa | 2.686635 | 4.230022 |
| Hoisting device | 74.527MPa | 235MPa | 370MPa | 3.15322 | 4.964644 |
In summary, according to the above embodiment of the present invention, after the battery in the single-layer frame is installed, the battery is stacked from bottom to top in a lifting manner, and the structure is convenient for installation, easy to maintain, and convenient for mass production mold design. The battery box provided by the embodiment of the invention adopts the separable and assemblable modularized frame, and can realize a reliable multilayer stacking structure through the cooperation of the grooves between the frame body modules and the guiding and positioning components, so that the capacity of each time of battery replacement can be greatly improved, and meanwhile, the problems of the replacement speed and convenience of the battery box can be solved by adopting a hoisting mode.
Meanwhile, the battery box realizes positioning and locking through multiple measures, can improve the installation reliability and stability of the battery box, ensures the stability and safety in use, and particularly can greatly reduce the problems caused by the battery box and prolong the service life of the battery for large or heavy electric vehicles.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the invention.
Claims (5)
1. Can accurate location locking hoist and mount formula battery box, a serial communication port, including battery rack and be used for the bracket of fixed locking battery rack, the bracket is fixed on the vehicle, wherein:
the battery rack includes:
the frame body module is one or more layers, each layer of frame body module consists of a bottom support and a side frame body vertically arranged on the bottom support, a space for accommodating a battery is formed between the bottom support and the side frame body, and a groove is formed below the bottom support;
the guide positioning component is arranged on the frame body module, is vertically arranged on the side surface frame body, and protrudes out of the upper end edge of the side surface frame body, and has a cone shape, and the cone shape is matched with the groove;
the bracket includes:
a fixing body fixed to a vehicle to which the battery rack is mounted;
the X-direction guiding component is arranged on the fixed main body and is used for realizing rough guiding in the X direction when the battery rack is hoisted;
the Y-direction guiding component is arranged on the fixed main body and is used for realizing rough guiding in the Y direction when the battery rack is hoisted;
the guiding locking component is arranged on the fixed main body and used for realizing accurate positioning in the X, Y direction when the battery rack is hoisted;
the Z-direction locking mechanism is arranged on the fixed main body and is used for realizing the X, Y, Z-direction locking of the battery rack after being lifted in place;
the X-direction guide component is arranged on the outer side of the fixed main body, the Y-direction guide component is arranged on the inner side of the fixed main body, and a space for fixing a battery frame is formed among the X-direction guide component, the Y-direction guide component and the fixed main body;
the fixing body is a rectangular frame, the X-direction guiding component is arranged on two opposite long sides of the rectangular frame, the Y-direction guiding component is arranged on two opposite short sides of the rectangular frame, and the guiding locking component is arranged on the inner side of the X-direction guiding component and has a gap with the X-direction guiding component;
the carrier has one or more of the following features:
-the X-direction guide member and the Y-direction guide member are a column, the upper end of the column being provided with a slope facing the inside of the stationary body for guiding the positioning of the battery rack during lifting;
-the height of the guiding and locking member is smaller than the height of the X-guiding and Y-guiding members, and the lowest end of the inclined surface of the X-guiding and Y-guiding members is higher than the height of the guiding and locking member;
-further provided with connector guide means for enabling a precise insertion of the plug and socket of the connector;
the guide locking component is a pin shaft, the upper end part of the pin shaft is a conical surface and is used for being matched with a conical hole on the bottom surface of the battery rack to finish accurate positioning;
the Z-direction locking mechanism comprises: the rear end of the lock pin is connected with the spring, and the front end of the lock pin is connected with a corresponding pin hole on the battery frame under the pulling of the cylinder; the lower part of the lock pin is provided with a self-locking surface which is connected with a corresponding pin hole on the battery rack to prevent the lock pin from sliding.
2. The lifting battery box capable of accurately positioning and locking according to claim 1, wherein when the frame modules are multi-layered, each layer of frame modules except for the lowest layer of frame modules has the same structure, the multi-layered frame modules are arranged up and down, the frame module positioned at the lower layer is rapidly positioned with the groove of the frame module positioned at the upper layer through the guiding and positioning component, and the guiding and positioning component is inserted into the groove and is in locking connection by adopting a connecting piece, so that a multi-layered stacking structure is formed; the bottom of the bottommost frame body module is provided with a hole matched with the guiding locking component of the bracket for positioning and locking.
3. The precisely positioned and locked lifting battery box of claim 1, wherein the frame module has one or more of the following features:
-the bottom support is constituted by a first rectangular frame and a horizontal bar, located inside the first rectangular frame and connected perpendicularly to the long side of the first rectangular frame;
-1 or more horizontal bars, a plurality of said horizontal bars being evenly distributed along the long side of said first rectangular frame;
-the plane of the side frame is perpendicular to the plane of the bottom support, sharing a long side;
the side frame is constituted by a second rectangular frame and a vertical bar, which is located inside the second rectangular frame and is connected perpendicularly to the long side of the second rectangular frame.
4. The lifting battery box capable of accurately positioning and locking according to claim 3, wherein the guiding and positioning component is located in a plane where the side frame body is located and parallel to the vertical rod, the lower end of the guiding and positioning component is fixed on a long edge below the second rectangular frame body, and the upper end of the guiding and positioning component penetrates through the long edge above the second rectangular frame body and protrudes out of the edge of the upper end of the side frame body.
5. The lifting battery box capable of being accurately positioned and locked according to claim 2, wherein the frame body module is provided with a buffer part at the upper part of a side frame body for buffering when stacking the frame body modules in multiple layers.
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| CN201811614932.XA CN109649214B (en) | 2018-12-27 | 2018-12-27 | Lifting type battery box capable of being accurately positioned and locked |
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| CN201811614932.XA CN109649214B (en) | 2018-12-27 | 2018-12-27 | Lifting type battery box capable of being accurately positioned and locked |
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| CN109649214B true CN109649214B (en) | 2024-02-20 |
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| CN110736387B (en) * | 2019-10-11 | 2021-09-24 | 上海机电工程研究所 | Guided missile multi-unit module positioning and locking device |
| CN111055721B (en) * | 2019-12-06 | 2023-02-17 | 徐州重型机械有限公司 | Battery quick-changing device, engineering machinery and quick-changing method |
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| CN110920373B (en) * | 2019-12-25 | 2024-04-09 | 上海玖行能源科技有限公司 | Three-level positioning and locking device and method for electric heavy-duty truck battery box |
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| CN111403654A (en) * | 2020-04-29 | 2020-07-10 | 昆山中钧新能源科技有限公司 | Energy storage battery system |
| CN112477680B (en) * | 2020-11-20 | 2023-06-23 | 浙江吉利控股集团有限公司 | Vehicle battery replacement device, double-floating hoisting battery replacement station and battery replacement system |
| CN112477576B (en) * | 2020-11-30 | 2022-05-10 | 浙江吉利控股集团有限公司 | Battery box fixing device and vehicle |
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| CN113386547B (en) * | 2021-08-16 | 2021-11-23 | 中国华能集团清洁能源技术研究院有限公司 | Adjustable battery pack locking mechanism suitable for hoisting type battery replacing vehicle |
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| CN219277287U (en) * | 2022-02-28 | 2023-06-30 | 时代电服科技有限公司 | Battery rack and power exchange station |
| CN219295190U (en) * | 2022-03-02 | 2023-07-04 | 时代电服科技有限公司 | Battery rack, charging device and power exchange station |
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