CN114619914A - Mechanical unlocking mechanism, battery replacing device of battery pack and battery replacing station - Google Patents
Mechanical unlocking mechanism, battery replacing device of battery pack and battery replacing station Download PDFInfo
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- CN114619914A CN114619914A CN202210373102.2A CN202210373102A CN114619914A CN 114619914 A CN114619914 A CN 114619914A CN 202210373102 A CN202210373102 A CN 202210373102A CN 114619914 A CN114619914 A CN 114619914A
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- battery pack
- battery
- unlocking mechanism
- driving device
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- 230000007246 mechanism Effects 0.000 title claims abstract description 60
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- 230000009286 beneficial effect Effects 0.000 description 3
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- 230000005389 magnetism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
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- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable 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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of batteries, in particular to a mechanical unlocking mechanism, a battery replacing device of a battery pack and a battery replacing station. The mechanical unlocking mechanism comprises a second platform and a second driving device. Wherein, be provided with support module and first electro-magnet module on the first platform, and first through-hole has been seted up to first platform. The second platform is arranged on one side, away from the battery pack, of the first platform, and a bolt unlocking gun head is arranged on one side, close to the battery pack, of the second platform. And a second driving device is arranged on one side, away from the battery pack, of the second platform, and the bolt unlocking gun head is connected with an output shaft of the second driving device, so that the second driving device can drive the bolt unlocking gun head to unlock or lock a bolt locking component on the battery pack. The battery replacing device of the battery pack comprises the mechanical unlocking mechanism, the battery replacing device of the battery pack can improve the replacing efficiency of the battery pack, the waiting time of a user is reduced, the experience feeling of the user is improved, and the cost of a battery replacing station is saved.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a mechanical unlocking mechanism, a battery replacing device of a battery pack and a battery replacing station.
Background
With the development of economy and the progress of science and technology, the development of new energy automobiles is gradually expanded, and the new energy automobiles replace fuel automobiles to become a trend and a direction which are continuously concerned by people. At present, in order to facilitate the use of new energy automobiles, people begin to popularize and apply the battery replacement mode, namely: the user changes the battery pack which is fully charged in advance through the appointed battery replacement station, so that the endurance mileage of the new energy automobile is prolonged, the waiting time of the user for charging the battery pack can be greatly reduced, the anxiety of the user on the charging and mileage of the new energy automobile is relieved, and the experience of the user is improved.
In the prior art, the battery pack is usually replaced through mechanical equipment by an operator, but the mechanical equipment in the prior art is complex in structure, the operation difficulty of the operator is high, the processing and manufacturing cost is high, and the mechanical equipment only has a single function of bolt locking and unlocking, so that the locking and unlocking mechanism in the prior art cannot simultaneously meet and is suitable for battery replacement of different locking mechanism vehicle types, the replacement efficiency of the battery pack is further reduced, the waiting time of a user is prolonged, and the user is easy to feel anxious.
Therefore, it is necessary to design a mechanical unlocking mechanism, a battery replacing device of a battery pack and a battery replacing station to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to provide a mechanical unlocking mechanism which is simple in structure, easy to process and operate and capable of improving the efficiency of replacing a battery pack by an operator, further reducing the waiting time of a user and improving the experience of the user.
In order to achieve the purpose, the invention adopts the following technical scheme:
the present invention provides a mechanical unlocking mechanism, comprising:
the battery pack support device comprises a first platform, a second platform and a third platform, wherein a support module is arranged on the first platform and is configured to support a battery pack, and a first through hole is formed in the first platform;
the first electromagnet module is arranged on the first platform and is respectively configured to adsorb and unlock an electromagnetic locking component on the battery pack;
the second platform is arranged on one side, far away from the battery pack, of the first platform, the second platform is provided with second through holes, the first through holes correspond to the second through holes one to one, one side, close to the battery pack, of the second platform is provided with bolt unlocking gun heads, and the bolt unlocking gun heads partially penetrate through the second through holes and the first through holes;
and a second driving device is arranged on one side, away from the battery pack, of the second platform, and the bolt unlocking gun head is connected with an output shaft of the second driving device, so that the second driving device can drive the bolt unlocking gun head to unlock or lock a bolt locking component on the battery pack.
As an alternative, the mechanical unlocking mechanism includes a third driving device and a beveling lifting module, the third driving device is connected to the beveling lifting module, a roller is disposed on one side of the first platform close to the second platform, the roller abuts against the beveling lifting module, and the third driving device can drive the beveling lifting module to move along the X-axis direction, so that the second platform can be close to the first platform.
As an alternative, the chamfering lifting module includes a chamfering plate, a threaded sleeve and a screw rod, the outer side wall of the threaded sleeve is fixedly connected with the chamfering plate, the threaded sleeve is sleeved on and screwed with the screw rod, and the end of the screw rod far away from the chamfering plate is connected with the third driving device.
As an alternative, the bevel plate comprises an inclined surface and the roller comprises a peripheral side surface, the inclined surface abutting against the peripheral side surface.
As an alternative, a connecting column is arranged on one side of the first platform, which is close to the second platform, and the connecting column is connected to the roller.
As an alternative, a positioning pin is arranged on the second platform, a third through hole is arranged on the first platform, and the positioning pin partially penetrates through the third through hole and is inserted into the battery pack.
As an alternative, a limit shaft is arranged on one side of the first platform, which is close to the second platform, a limit hole is formed in the second platform, and the limit shaft partially penetrates through the limit hole.
As an alternative, the limiting shaft comprises a protrusion, and the projection area of the protrusion is larger than the projection area of the limiting hole along the Z-axis direction.
The invention also provides a battery replacing device of the battery pack, which comprises the mechanical unlocking mechanism.
The invention also provides a battery replacing station which comprises the battery replacing device of the battery pack.
The invention has the beneficial effects that:
the mechanical unlocking mechanism provided by the invention comprises a second platform and a second driving device. The first platform is provided with a support module, the support module is configured to support the battery pack, and the first platform is provided with a first through hole. The second platform is arranged on one side, away from the battery pack, of the first platform, the second platform is provided with second through holes, the first through holes correspond to the second through holes in a one-to-one mode, one side, close to the battery pack, of the second platform is provided with bolt unlocking gun heads, and the bolt unlocking gun heads partially penetrate through the second through holes and the first through holes. And a second driving device is arranged on one side, away from the battery pack, of the second platform, and the bolt unlocking gun head is connected with an output shaft of the second driving device, so that the second driving device can drive the bolt unlocking gun head to unlock or lock a bolt locking component on the battery pack. The bolt unlocking gun head is driven by the second driving device to rotate forwards or reversely so as to unlock or lock the bolt locking component on the battery pack, the replacement efficiency of the battery pack is improved, the waiting time of a user is reduced, and the experience of the user is improved.
The battery replacing device of the battery pack is simple in structure and wide in application range, the battery pack locked by the bolt locking part can be unlocked, the efficiency of replacing the battery pack by the battery replacing device of the battery pack is improved, and the experience of a user is improved.
The invention further provides a battery replacement station which has the advantages of saving the manufacturing cost and improving the battery replacement efficiency of battery packs of different vehicle types.
Drawings
Fig. 1 is an exploded schematic view of a battery replacement device for a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electromagnetic unlocking mechanism provided in the embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
fig. 5 is a schematic structural diagram of another view angle of the electromagnetic unlocking mechanism provided in the embodiment of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is an enlarged view of a portion of FIG. 5 at D;
fig. 8 is a schematic structural view of a mechanical unlocking mechanism provided in the embodiment of the present invention;
fig. 9 is a structural schematic diagram of another view angle of the mechanical unlocking mechanism provided in the embodiment of the present invention.
Reference numerals
100. An electromagnetic unlocking mechanism;
200. a first platform; 210. a support module; 211. a support portion; 212. a limiting groove; 213. a first elastic member; 220. a positioning module; 221. a first positioning rod; 222. a first driving device; 223. a protective cover; 224. an accommodating cavity; 230. a first electromagnet module; 231. a magnet; 232. a second elastic member; 233. a fixing member; 234. a step portion; 240. a second electromagnet module; 250. a floating suspension chain module; 251. a base; 252. a chain; 253. a limiting rod; 254. a first bar-shaped hole; 260. a first through hole; 270. a third through hole; 280. a limiting shaft; 281. a protrusion; 290. a guide shaft;
300. a fixing plate; 310. an adsorption plate; 320. a second bar-shaped hole;
400. a mechanical unlocking mechanism;
500. a second platform; 510. a second through hole; 520. unlocking the gun head by using the bolt; 530. a second driving device; 540. a third driving device; 550. positioning pins; 560. a limiting hole; 570. a guide hole; 571. a shaft sleeve;
600. a beveling lifting module; 610. obliquely cutting a plate; 611. an inclined surface; 620. a threaded sleeve; 630. a screw rod; 640. a roller; 641. a peripheral side surface; 650. connecting columns.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In order to solve the technical problems that the battery replacing device of the battery pack in the prior art is complex in structure and inconvenient to operate, and the replacing efficiency of the battery pack is reduced. As shown in fig. 1-2, the present embodiment provides a battery replacing device for a battery pack, which mainly includes an electromagnetic unlocking mechanism 100 and a mechanical unlocking mechanism 400. The electromagnetic unlocking mechanism 100 and the mechanical unlocking mechanism 400 both include the first platform 200, that is, the first platform 200 is a common component of the electromagnetic unlocking mechanism 100 and the mechanical unlocking mechanism 400. In addition, the electromagnetic unlocking mechanism 100 further includes a positioning module 220 and a first electromagnet module 230. The first platform 200 is provided with a support module 210, and the support module 210 is configured to support a battery pack (not shown). The positioning module 220 is disposed on the first platform 200, the positioning module 220 can be partially inserted into the battery pack, the first electromagnet module 230 is disposed on the first platform 200, the first electromagnet module 230 is connected to a power supply (not shown in the figure), and the first electromagnet module 230 can adsorb and unlock an electromagnetic locking component on the battery pack after being powered on.
Based on above design, select 6 support module 210 in this embodiment, and 6 support module 210 set up about the axial symmetry of first platform 200, can make like this when the battery package is placed on support module 210, can make the battery package more steady, thereby when guaranteeing to adsorb and unblock the electromagnetism locking part on the battery package at first electro-magnet module 230, the battery package can not take place to incline or rock, thereby improve the stability of battery package, support module 210 can hold up certain height with the battery package along Z axle direction in fig. 1 simultaneously, make battery package and first platform 200 keep certain distance, be convenient for the user to take the battery package. The positioning module 220 can further improve the stability of the battery pack, and further can perform synchronous limitation on the X-axis direction and the Y-axis direction of the battery pack.
For example, when a user needs to unlock the electromagnetic locking component on the battery pack, the user can energize the first electromagnet module 230, so that the first electromagnet module 230 obtains magnetism, and further, the first electromagnet module 230 can attract and unlock the electromagnetic locking component; when the user need lock the electromagnetism locking part on the battery package, the user only need cut off the power for first electromagnet module 230 loses the magnetic core, then contacts first electromagnet module 230 and extrudes the electromagnetism locking part, makes electromagnetism locking part can the lock joint on the battery package, accomplishes the locking work to the battery package promptly. Preferably, in this embodiment, 4 first electromagnet modules 230 are provided, and the 4 first electromagnet modules 230 are symmetrically arranged with respect to the axis of the first platform 200, so as to improve the working efficiency of the first electromagnet modules 230 for unlocking and locking the battery pack, and simultaneously, the stress of the battery pack is balanced in the unlocking and locking processes.
As shown in fig. 2 to 4, in the present embodiment, the supporting module 210 includes a supporting portion 211 and a first elastic member 213, one end of the first elastic member 213 is connected to the supporting portion 211, and the other end is connected to the first platform 200. The first elastic member 213 can play a certain buffering role for the battery pack, so that the stress of the battery pack is more stable when the battery pack is placed on the supporting portion 211. One side of the supporting part 211 close to the battery pack is provided with a limiting groove 212, and the battery pack is partially embedded in the limiting groove 212. The limiting groove 212 can limit the battery pack to a certain extent, so that the battery pack cannot move along the X-axis direction easily, and the stability and reliability of the battery pack on the supporting part 211 are improved.
Preferably, in other embodiments of the present invention, the worker may further set a silicone layer on the supporting portion 211, so as to improve the friction force between the battery pack and the supporting portion 211, thereby improving the stability and reliability of the battery pack on the supporting portion 211.
As shown in fig. 2-4, in the present embodiment, the positioning module 220 includes a first positioning rod 221 and a first driving device 222, an output shaft of the first driving device 222 is connected to the first positioning rod 221, and the first driving device 222 drives the first positioning rod 221 to move along a direction close to the battery pack, so that the first positioning rod 221 is inserted into the battery pack.
For example, in the present embodiment, the first driving device 222 may select a cylinder or a motor, the first positioning rod 221 may select an electric push rod, and the first platform 200 has through holes corresponding to the first positioning rods 221. Thus, when the battery pack is placed on the supporting portion 211, the first driving device 222 can drive the first positioning rod 221 to pass through the through hole and insert the first positioning rod 221 into the battery pack, thereby improving the stability and reliability of the battery pack.
Further, the positioning module 220 further includes a protection cover 223, the protection cover 223 and the first platform 200 are enclosed to form an accommodating cavity 224, the first driving device 222 and the first positioning rod 221 are both disposed in the accommodating cavity 224, the accommodating cavity 224 can protect the first driving device 222 and the first positioning rod 221 to a certain extent, and meanwhile, the protection cover 223 can be used for bearing the first driving device 222.
As shown in fig. 2, in the present embodiment, the first electromagnet module 230 includes a magnet 231 and a second elastic member 232, one end of the second elastic member 232 is connected to the magnet 231, and the other end is connected to the first platform 200, so that the magnet 231 can move in the Z-axis direction under the action of the second elastic member 232, that is, when the battery pack tilts on the support module 210, the second elastic member 232 can compensate for a gap between the battery pack and the magnet 231 by stretching or shortening, thereby preventing the battery pack and the magnet 231 from generating a gap to cause unlocking or locking failure, and ensuring the success rate of unlocking and locking. Preferably, the first elastic member 213 and the second elastic member 232 in this embodiment are both manufactured by selecting springs, but in other embodiments of the present invention, an operator may also select other parts with elasticity to manufacture, and this embodiment is not limited thereto.
Further, as shown in fig. 2, in this embodiment, a guide rod (not shown in the figure) is further disposed on the first platform 200, and the second elastic member 232 is sleeved on the guide rod, so that the guide rod can play a certain guiding role on the second elastic member 232, and further the second elastic member 232 is prevented from shaking and bending along the X axis or the Y axis, that is, the guide rod can drive the second elastic member 232 to move only along the Z axis direction, and further the unlocking and locking efficiency of the first electromagnet module 230 is improved, so as to improve the working efficiency of the battery pack replacement device in this embodiment when replacing the battery pack.
Further, with reference to fig. 2, in the present embodiment, the first electromagnet module 230 further includes a fixing member 233, one end of the fixing member 233 is connected to the magnet 231, and the other end of the fixing member 233 is connected to the first platform 200, the fixing members 233 are provided in plural, and the fixing members 233 are arranged in a central symmetry manner with respect to the magnet 231, so that the fixing member 233 can fix the magnet 231 to a certain extent, and the magnet 231 is prevented from shaking when the electromagnetic locking component on the battery pack is unlocked or locked, thereby improving the stability of the magnet 231.
Furthermore, a step part 234 is arranged on the peripheral side of the magnet 231, and the fixing part 233 can be clamped on the step part 234, so that when the magnet 231 moves along the Z-axis direction, the fixing part 233 can limit the magnet 231 to a certain extent, thereby preventing the magnet 231 from violently colliding with the battery pack, and further protecting the battery pack and the magnet 231 to a certain extent.
As shown in fig. 1, in this embodiment, the battery replacing device of the battery pack further includes a lifting mechanism (not shown in the figure) and a fixing plate 300, the fixing plate 300 is connected to the lifting mechanism, an adsorption plate 310 is disposed on the fixing plate 300, a second electromagnet module 240 is disposed on the first platform 200, and the second electromagnet module 240 can be connected to the adsorption plate 310 in an adsorption manner.
Specifically, the second electromagnet module 240 is connected to a power supply (not shown in the figure), and when the second electromagnet module 240 is powered on, the second electromagnet module 240 has magnetism, and at this time, the second electromagnet module 240 can attract the attraction plate 310, so as to realize stable connection between the fixing plate 300 and the first platform 200. The lifting mechanism is arranged below the fixing plate 300 and is stably connected with the fixing plate 300, so that the lifting mechanism can drive the fixing plate 300 to perform lifting motion along the Z-axis direction, and further, the lifting motion of the first platform 200 along the Z-axis direction is realized, and therefore, the battery replacing device of the battery pack in the embodiment of the invention can unlock and lock the battery packs with different heights, and the flexible applicability of the battery replacing device of the battery pack is improved.
Further, in this embodiment, the adsorption plate 310 is made of one or more metal materials of iron, cobalt, and nickel, which is beneficial to the second electromagnet module 240 and the adsorption plate 310 to perform magnetic adsorption connection, so as to improve the stability and reliability of the connection between the fixing plate 300 and the first platform 200. It should be noted that the first electromagnet module 230 and the second electromagnet module 240 are both connected to the power source, but the first electromagnet module 230 and the second electromagnet module 240 are both in parallel connection, and the power on and off of each other are not affected by each other.
As shown in fig. 5 to 6, in the present embodiment, the electromagnetic unlocking mechanism 100 includes a floating suspension chain module 250, the first platform 200 is provided with a first strip-shaped hole 254, the fixing plate 300 is provided with a second strip-shaped hole 320, and the floating suspension chain module 250 partially passes through the first strip-shaped hole 254 and the second strip-shaped hole 320. Specifically, the floating suspension chain module 250 can move along the Y axis in the first strip-shaped hole 254 and the second strip-shaped hole 320, and then drive the first platform 200, the fixing plate 300, and the second platform 500 to move along the Y axis direction, so that the battery replacing device of the battery pack in the embodiment can automatically adjust the position of the battery replacing device of the battery pack according to the actual position of the battery pack, and then the positioning module 220 can be inserted inside the battery pack and position the battery pack. The floating suspension chain module 250 is beneficial to improving the use flexibility of the battery replacing device of the battery pack, and further improves the work efficiency of unlocking and locking. It should be noted that when the first platform 200, the fixing plate 300 and the second platform 500 move along the Y-axis, the lifting mechanism will move accordingly, but the movement is a small movement, so as to avoid damaging the lifting mechanism due to too severe movement.
Further, as shown in fig. 5 to 6, the floating suspension chain module 250 includes a base 251, a chain 252 and a stopper 253, one end of the chain 252 is connected to the base 251, the other end is connected to the stopper 253, the base 251 is connected to a side of the first platform 200 away from the battery pack, and the stopper 253 can partially pass through the first strip-shaped hole 254 and the second strip-shaped hole 320. The limiting rod 253 can move along the Y-axis direction through the swinging of the chain 252, and then the first platform 200, the fixing plate 300 and the second platform 500 are driven to move along the Y-axis direction, so that the battery replacing device of the battery pack in the embodiment can automatically adjust the position of the battery replacing device of the battery pack according to the actual position of the battery pack, and further the positioning module 220 can be inserted inside the battery pack and position the battery pack. Besides, the limiting rod 253 plays a certain limiting role in the first platform 200 and the second platform 500, so that the first platform 200 and the second platform 500 cannot be dislocated in the moving process, and the integrity and the stability of the battery replacing device of the battery pack are further ensured.
As shown in fig. 1, 8 and 9, in this embodiment, the battery replacing device for the battery pack further includes a mechanical unlocking mechanism 400, the mechanical unlocking mechanism 400 is disposed below the electromagnetic unlocking mechanism 100 along the Z-axis direction, and the first platform 200 is a common component of the mechanical unlocking mechanism 400 and the electromagnetic unlocking mechanism 100. The mechanical unlocking mechanism 400 further includes a second platform 500 and a second driving means 530. The first platform 200 is provided with a support module 210, the support module 210 is configured to support a battery pack, and the first platform 200 is provided with a first through hole 260. The second platform 500 is arranged on one side, far away from the battery pack, of the first platform 200, the second platform 500 is provided with second through holes 510, the first through holes 260 correspond to the second through holes 510 in a one-to-one mode, one side, close to the battery pack, of the second platform 500 is provided with a bolt unlocking gun head 520, and part of the bolt unlocking gun head 520 penetrates through the second through holes 510 and the first through holes 260. A second driving device 530 is arranged on one side, away from the battery pack, of the second platform 500, and the bolt unlocking gun head 520 is connected with an output shaft of the second driving device 530, so that the second driving device 530 can drive the bolt unlocking gun head 520 to unlock or lock a bolt locking component on the battery pack.
Based on the above design, when the locking component of the battery pack on the vehicle model of the user is an electromagnetic locking component, the first electromagnet module 230 can unlock or lock the battery pack; when the locking component of the battery pack on the vehicle model of the user is the bolt locking component, the bolt unlocking gun head 520 is driven by the second driving device 530 to rotate forwards or reversely to unlock or lock the bolt locking component on the battery pack, so that the battery pack replacing device of the battery pack in the embodiment can unlock the battery pack with the electromagnetic locking component and also unlock the battery pack with the bolt locking component, the flexible usability of the battery pack replacing device is improved, different battery packs of different vehicle models can be replaced by one replacing station, the replacement efficiency of the battery pack is improved, the waiting time of the user is shortened, and the experience of the user is improved.
For example, the second driving device 530 may be configured to be used in combination with a servo motor and a reducer, and the reducer can avoid the phenomenon that the bolt locking component is excessively tightened or tightened in place by the output shaft of the servo motor. In the present embodiment, the number of the bolt unlocking gun heads 520 and the number of the second driving devices 530 are set according to the number of the bolt locking parts on the actual battery pack, and exemplarily, the number of the bolt unlocking gun heads 520 and the number of the second driving devices 530 are respectively set to be 6. Of course, in other embodiments of the present invention, an operator may set 4 or 8 bolt unlocking gun heads 520 and the second driving devices 530 according to actual situations, as long as the bolt unlocking gun heads 520 and the second driving devices 530 are ensured to correspond to each other one by one.
As shown in fig. 7, in this embodiment, the mechanical unlocking mechanism 400 includes a third driving device 540 and a beveling lifting module 600, the third driving device 540 is connected to the beveling lifting module 600, a roller 640 is disposed on a side of the first platform 200 close to the second platform 500, the roller 640 abuts against the beveling lifting module 600, and the third driving device 540 can drive the beveling lifting module 600 to move along the X-axis direction, so that the second platform 500 can be close to the first platform 200, that is, the beveling lifting module 600 and the roller 640 are used cooperatively, so as to enable the second platform 500 to move up and down along the Z-axis direction, so that the bolt unlocking gun head 520 can partially pass through the second through hole 510 and the first through hole 260, and thus the bolt unlocking gun head 520 can lock or unlock the bolt locking component on the battery pack.
Further, the chamfering lifting module 600 includes a chamfering plate 610, a threaded sleeve 620 and a lead screw 630, the outer side wall of the threaded sleeve 620 is fixedly connected with the chamfering plate 610, the threaded sleeve 620 is sleeved and screwed on the lead screw 630, and the end of the lead screw 630 far away from the chamfering plate 610 is connected with a third driving device 540. In this embodiment, the third driving device 540 may be a servo motor, so that the third driving device 540 drives the screw 630 to rotate, and the threaded sleeve 620 on the screw 630 can approach the roller 640, that is, the threaded sleeve 620 can drive the bevel plate 610 to approach the roller 640 and abut against the roller 640.
Furthermore, the bevel board 610 includes an inclined surface 611, the roller 640 includes a peripheral side surface 641, and the inclined surface 611 abuts against the peripheral side surface 641, so that the contact area between the bevel board 610 and the roller 640 can be increased in the process of contacting the bevel board 610 with the roller 640, thereby ensuring the stability and reliability of the second platform 500 in the process of lifting and lowering, and avoiding shaking.
Referring to fig. 7, a connection column 650 is disposed on a side of the first platform 200 close to the second platform 500, and the connection column 650 is connected to the roller 640. Therefore, the roller 640 can keep a certain distance from the first platform 200, that is, a certain height difference is formed, so that the second platform 500 can be lifted, and the lifting flexibility and the operation elasticity of the second platform 500 are improved.
As shown in fig. 8-9, in the present embodiment, the second platform 500 is provided with a positioning pin 550, the first platform 200 is provided with a third through hole 270, and the positioning pin 550 partially passes through the third through hole 270 and is inserted into the battery pack. The positioning pin 550 can improve the stability of the mechanical unlocking mechanism 400 in the unlocking or locking process, and further avoid the relative shaking of the mechanical unlocking mechanism 400 and the battery pack, thereby ensuring the success rate of unlocking and locking.
As shown in fig. 8-9, in the present embodiment, a limit shaft 280 is disposed on one side of the first platform 200 close to the second platform 500, a limit hole 560 is formed on the second platform 500, and a part of the limit shaft 280 passes through the limit hole 560. Specifically, the limiting shaft 280 includes a protrusion 281, and a projected area of the protrusion 281 is larger than a projected area of the limiting hole 560 along the Z-axis direction. The limiting shaft 280 can correspondingly limit the second platform 500, that is, the limiting shaft 280 can connect the first platform 200 and the second platform 500 to a certain extent, and the second platform 500 is prevented from being separated from the first platform 200 in the lifting movement process. The protrusion 281 abuts against the lower surface of the second platform 500, so as to support and receive the second platform 500 to a certain extent, thereby avoiding the risk that the second platform 500 falls off due to the separation of the second platform 500 from the first platform 200. It should be noted that the connection relationship between the limiting shaft 280 and the limiting hole 560 is a clearance fit, so that the second platform 500 can be lifted only when the third driving device 540 drives the bevel lifting module 600 to move along the X-axis direction.
As shown in fig. 5 and 8, in the present embodiment, a guide shaft 290 is disposed on a side of the first platform 200 close to the second platform 500, a guide hole 570 is formed in the second platform 500, and a portion of the guide shaft 290 passes through the guide hole 570. Through the cooperation of the guide shaft 290 and the guide hole 570, the second platform 500 can be lifted along the direction of the guide shaft 290, and the flexibility of lifting the mechanical unlocking mechanism 400 is improved.
Further, in this embodiment, a shaft sleeve 571 is disposed on a side of the second platform 500 away from the first platform 200, the shaft sleeve 571 is disposed concentrically with the guide hole 570, and the guide shaft 290 partially penetrates through the shaft sleeve 571. For example, in the present embodiment, a silicone material is selected to manufacture the shaft sleeve 571. On one hand, the shaft sleeve 571 can play a certain protection role on the guide shaft 290, so that the guide shaft 290 is prevented from being in rigid contact with the guide hole 570, the friction force between the guide shaft 290 and the second platform 500 is reduced, and the second platform 500 can be lifted flexibly; on the other hand, the shaft sleeve 571 can guide the guide shaft 290 to a certain extent, so that the second platform 500 can move up and down along the Z-axis direction, and the mechanical unlocking mechanism 400 is prevented from swinging and shaking.
The invention also provides a battery replacing station which comprises the battery replacing device of the battery pack. The battery replacement station has the advantages of saving manufacturing cost and improving battery replacement efficiency of battery packs of different vehicle types.
The specific working process is as follows:
(1) electromagnetic unlocking mechanism 100: when an electromagnetic locking component is arranged on a battery pack on a vehicle of a user, and the lifting mechanism drives the fixing plate 300 to move to a proper position, the battery pack is placed on the first electromagnet module 230, the user can electrify the first electromagnet module 230, so that the first electromagnet module 230 obtains magnetism, and the first electromagnet module 230 can adsorb and unlock the electromagnetic locking component; when the user need lock the electromagnetism locking part on the battery package, the user only need cut off the power for first electromagnet module 230 loses the magnetic core, then contacts first electromagnet module 230 and extrudes the electromagnetism locking part, makes electromagnetism locking part can the lock joint on the battery package, accomplishes the locking work to the battery package promptly.
(2) Mechanical unlocking mechanism 400: when the locking part of the battery pack on the vehicle model of the user is a bolt locking part, the third driving device 540 can drive the beveling lifting module 600 to move along the X-axis direction, so that the second platform 500 can be close to the first platform 200, that is, the beveling lifting module 600 and the roller 640 are used in a matching manner, so that the second platform 500 can move up and down along the Z-axis direction, and thus the bolt unlocking gun head 520 partially penetrates through the second through hole 510 and the first through hole 260, and the bolt unlocking gun head 520 is driven by the second driving device 530 to rotate forwards or backwards to unlock or lock the bolt locking part on the battery pack, so that the battery pack battery replacing device in the invention can unlock the battery pack with the electromagnetic locking part and also unlock the battery pack with the bolt locking part.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A mechanical unlocking mechanism, comprising:
a first platform (200), wherein a support module (210) is arranged on the first platform (200), the support module (210) is configured to support a battery pack, and a first through hole (260) is formed in the first platform (200);
a first electromagnet module (230), wherein the first electromagnet module (230) is arranged on the first platform (200), and the first electromagnet module (230) is respectively configured to adsorb and unlock an electromagnetic locking component on the battery pack;
the second platform (500) is arranged on one side, far away from the battery pack, of the first platform (200), the second platform (500) is provided with second through holes (510), the first through holes (260) correspond to the second through holes (510) in a one-to-one mode, bolt unlocking gun heads (520) are arranged on one side, close to the battery pack, of the second platform (500), and part of the bolt unlocking gun heads (520) penetrate through the second through holes (510) and the first through holes (260);
and a second driving device (530), wherein a second driving device (530) is arranged on one side, away from the battery pack, of the second platform (500), and the bolt unlocking gun head (520) is connected with an output shaft of the second driving device (530), so that the second driving device (530) can drive the bolt unlocking gun head (520) to unlock or lock a bolt locking component on the battery pack.
2. The mechanical unlocking mechanism according to claim 1, wherein the mechanical unlocking mechanism (400) comprises a third driving device (540) and a beveling lifting module (600), the third driving device (540) is connected to the beveling lifting module (600), a roller (640) is arranged on one side of the first platform (200) close to the second platform (500), the roller (640) is abutted with the beveling lifting module (600), and the third driving device (540) can drive the beveling lifting module (600) to move along the X-axis direction, so that the second platform (500) can be close to the first platform (200).
3. The mechanical unlocking mechanism of claim 2, wherein the bevel lift module (600) comprises a bevel plate (610), a threaded sleeve (620) and a lead screw (630), the outer side wall of the threaded sleeve (620) is fixedly connected with the bevel plate (610), the threaded sleeve (620) is sleeved and screwed on the lead screw (630), and the end of the lead screw (630) far away from the bevel plate (610) is connected with the third driving device (540).
4. The mechanical unlocking mechanism according to claim 3, wherein the chamfer plate (610) includes an inclined surface (611), and the roller (640) includes a peripheral side surface (641), and the inclined surface (611) abuts against the peripheral side surface (641).
5. The mechanical unlocking mechanism according to claim 3, wherein a connecting column (650) is provided on a side of the first platform (200) close to the second platform (500), the connecting column (650) being connected to the roller (640).
6. The mechanical unlocking mechanism of claim 1, wherein a positioning pin (550) is disposed on the second platform (500), a third through hole (270) is disposed on the first platform (200), and the positioning pin (550) partially passes through the third through hole (270) and is inserted into the battery pack.
7. The mechanical unlocking mechanism according to claim 1, wherein a limit shaft (280) is disposed on one side of the first platform (200) close to the second platform (500), a limit hole (560) is formed in the second platform (500), and a part of the limit shaft (280) passes through the limit hole (560).
8. The mechanical unlocking mechanism according to claim 7, wherein the stopper shaft (280) includes a projection (281), and a projected area of the projection (281) is larger than a projected area of the stopper hole (560) in the Z-axis direction.
9. A battery pack replacement device, characterized in that the battery pack replacement device comprises a mechanical unlocking mechanism (400), and the mechanical unlocking mechanism (400) is the mechanical unlocking mechanism (400) according to any one of claims 1 to 8.
10. A battery swapping station, characterized in that the battery swapping station comprises the battery swapping device of the battery pack as claimed in claim 9.
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| CN202210373102.2A CN114619914B (en) | 2022-04-11 | 2022-04-11 | Mechanical unlocking mechanism, battery pack power conversion device and power conversion station |
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| CN202210373102.2A CN114619914B (en) | 2022-04-11 | 2022-04-11 | Mechanical unlocking mechanism, battery pack power conversion device and power conversion station |
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| CN114619914B (en) | 2024-05-07 |
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