CN114161988A - Locking system and quick-change bracket assembly comprising same - Google Patents
Locking system and quick-change bracket assembly comprising same Download PDFInfo
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- CN114161988A CN114161988A CN202111599115.3A CN202111599115A CN114161988A CN 114161988 A CN114161988 A CN 114161988A CN 202111599115 A CN202111599115 A CN 202111599115A CN 114161988 A CN114161988 A CN 114161988A
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- lock
- pin
- locking
- locking mechanism
- power pin
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- 230000007246 mechanism Effects 0.000 claims abstract description 109
- 230000005674 electromagnetic induction Effects 0.000 claims description 36
- 210000002105 tongue Anatomy 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000008569 process Effects 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/04—Arrangement of batteries
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
-
- 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
-
- 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
Abstract
The invention discloses a locking system and a quick-change bracket assembly comprising the same. The locking system is used for the battery package, and the locking system includes one-level locking mechanism, and one-level locking mechanism has locking linkage portion and lock base, and the lock base is equipped with the opening and from the cavity that the opening extends, and the opening is used for supplying the lock axle of battery package to get into the cavity. The locking linkage part moves relative to the locking base to open or close the opening so as to unlock or lock the battery pack. The locking system further comprises a secondary locking mechanism, and the secondary locking mechanism is arranged on a moving path of the locking linkage part and used for limiting the movement of the locking linkage part relative to the lock base so as to lock the battery pack. The quick-change bracket component comprises a quick-change bracket and a locking system, and the lock base and the second-stage locking mechanism are respectively connected to two opposite sides of the same side of the quick-change bracket. The secondary locking mechanism can limit the movement of the locking linkage part relative to the lock base, so that the reliability of the primary locking mechanism can be improved, and the phenomenon that the battery pack falls off is reduced or avoided.
Description
The application is a divisional application of Chinese patent application with the application date of 2017, 12 and 29, the application number of 2017114828980, and the name of the invention of a locking system and a quick-change bracket assembly comprising the locking system.
Technical Field
The invention relates to the field of battery replacement of electric automobiles, in particular to a locking system and a quick-change bracket assembly comprising the same.
Background
The conventional battery pack mounting methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery pack is generally fixed on an automobile, and the automobile is directly used as a charging object during charging. The replaceable battery pack is generally movably mounted, and the battery pack can be taken down at any time and replaced by a new battery pack.
Locking and unlocking of the battery pack is involved in the process of replacing a new battery pack. Generally, lock shafts are installed on the left and right sides of the battery pack; the locking device is fixed on the quick-change bracket to assemble a quick-change bracket assembly, and the quick-change bracket assembly is further installed on a chassis of the electric vehicle; the locking shaft is matched with the locking device to realize the locking of the battery pack.
The locking system used in the existing locking device is generally a first-stage locking mechanism, and the first-stage locking mechanism includes a lock base and a lock tongue, wherein the first-stage locking mechanism is switched between a locking state and an unlocking state by the movement of the lock tongue in the lock base. However, the existing locking device lacks a protection mechanism for the primary locking mechanism, and the primary locking mechanism is easy to lose efficacy, so that the battery pack is easy to loosen or fall off.
Therefore, the locking device in the prior art has the defects that the primary locking mechanism is easy to lose efficacy, and the battery pack is easy to loosen or fall off.
Disclosure of Invention
The invention aims to overcome the defects that a primary locking mechanism of a locking device in the prior art is easy to lose efficacy and a battery pack is easy to loosen or fall off, and provides a locking system and a quick-change bracket assembly comprising the same.
The invention solves the technical problems through the following technical scheme:
the utility model provides a locking system for the battery package, locking system includes one-level locking mechanism, one-level locking mechanism has locking linkage portion and lock base, lock base be equipped with an opening and certainly a cavity that the opening extends, the opening be used for supply install in the lock axle of battery package gets into the cavity, locking linkage portion is relative the lock base removes in order to open or close the opening to unblock or locking the battery package, its characterized in that, locking system still includes:
the secondary locking mechanism is arranged on a moving path of the locking linkage part and used for limiting the movement of the locking linkage part relative to the lock base so as to lock the battery pack;
the secondary locking mechanism includes:
a lock pin switchable between an extended state and a retracted state;
a power pin acting on the lock pin, the power pin being movable relative to the lock pin to engage with or disengage from the lock pin;
the first electromagnetic induction element is arranged on the power pin and used for driving the power pin to apply acting force to the lock pin along the retraction direction of the lock pin under the action of external electromagnetic equipment;
wherein when the locking pin is in the extended state, the locking pin is in the first position;
the locking pin is in the second position when the locking pin is in the retracted state.
In this scheme, second grade locking mechanism can restrict the motion of locking linkage portion relative to the lock base to can improve one-level locking mechanism's reliability, reduce or avoid the emergence of the phenomenon that the battery package drops. The locking pin is switched between the first position and the second position by controlling the extension and retraction of the locking pin, the structure is simple, and the realization is convenient.
Preferably, the locking linkage comprises a lock link, the secondary locking mechanism being movable relative to the lock link between a first position and a second position;
wherein when the secondary locking mechanism is in the first position, the secondary locking mechanism acts on the lock link to restrict movement of the lock link relative to the lock base;
when the secondary locking mechanism is in the second position, the secondary locking mechanism disengages the lock link to allow movement of the lock link relative to the lock base.
In this scheme, secondary locking mechanism acts on the lock connecting rod and both can locate the top of lock connecting rod through partly pressure of secondary locking mechanism and realize, also can realize in the side of lock connecting rod through partly butt of secondary locking mechanism.
Preferably, the locking linkage part comprises a locking tongue, the locking tongue is connected to the locking connecting rod and can rotate relative to the lock base, and the locking connecting rod is used for driving the locking tongue to rotate under the action of external force so as to unlock or lock the battery pack.
Preferably, the secondary locking mechanism comprises:
the first lower shell is detachably connected to one side face, opposite to the lock shaft, of the lock base, a first accommodating cavity is formed in the first lower shell, and a through hole communicated with the first accommodating cavity is formed in the side wall of the lower shell;
the lock pin is positioned in the first accommodating cavity and penetrates through the through hole.
Preferably, the secondary locking mechanism further comprises:
the first elastic element is connected to one end, far away from the cavity, of the lock pin, abuts between the lock pin and the inner wall surface of the first accommodating cavity, and is used for applying acting force to the lock pin along the extending direction of the lock pin;
wherein when the first electromagnetic induction element is engaged with the external electromagnetic device, the power pin is separated from the lock pin and applies a force to the lock pin in the retraction direction to place the lock pin in the retracted state;
when the first electromagnetic induction element is separated from the external electromagnetic equipment, the first elastic element applies acting force to the lock pin along the extending direction, and the power pin is engaged with the lock pin so as to enable the lock pin to be in the extending state.
In this aspect, when the first electromagnetic induction element is attracted to the external electromagnetic device, the power pin moves away from the lock pin and applies an acting force to the lock pin in a retracting direction to retract the lock pin, and the lock pin presses the first elastic element. When the first electromagnetic induction element is separated from the external electromagnetic device, the power pin moves towards the direction close to the lock pin to be engaged with the lock pin, so that the lock pin is in an extending state. In addition, in the scheme, the power pin and the lock pin are controlled to be connected and separated in a magnetic attraction mode, and then the lock pin is controlled to extend out and retract.
Preferably, the lock pin has:
an actuator for acting on a top of the lock link;
the connecting part is connected to one end, far away from the cavity, of the executing part and is provided with a second accommodating cavity used for accommodating the power pin;
the first elastic element is connected to one end, far away from the execution part, of the connecting part, the first elastic element abuts against the position between the connecting part and the inner wall surface of the first accommodating cavity, and acting force applied to the connecting part in the extending direction is exerted by the first elastic element.
In this scheme, when power round pin and lockpin joint, the one end block that the power round pin is close to the lockpin is in second holding chamber, belongs to embedded connection, and the space that occupies is less.
Preferably, the power pin has a head end and a tail end along the height direction thereof, the head end of the power pin is embedded in the second accommodating cavity, and the first electromagnetic induction element is arranged at the tail end of the power pin;
the inner wall surface of the second accommodating cavity is provided with a first inclined part, and the head end of the power pin is provided with a second inclined part matched with the first inclined part;
wherein the first inclined portion abuts the second inclined portion when the power pin is engaged with the lock pin;
when the power pin is separated from the lock pin, the second inclined portion moves downward relative to the first inclined portion and applies a force to the lock pin in the retracting direction to place the lock pin in the retracted state.
In the scheme, the cooperation of the first inclined part and the second inclined part is skillfully utilized, when the power pin moves towards the direction far away from the lock pin, the first inclined part slides relative to the second inclined part, the friction force applied to the second inclined part by the first inclined part can be decomposed into a component force along the retraction direction, and the lock pin retracts under the action of the component force.
Preferably, the tail end of the power pin is sleeved with a second elastic element, and the second elastic element applies acting force to the power pin along the direction close to the connecting part;
preferably, the acting force applied to the power pin by the second elastic element is greater than the gravity of the power pin.
In this scheme, when the power pin is engaged with the lock pin, the acting force applied to the power pin by the second elastic element can prevent the power pin from falling under the action of gravity, so that the reliability of engagement of the power pin and the lock pin can be further improved. When the power pin is required to move towards the direction close to the lock pin, the acting force applied to the power pin by the second elastic element can overcome the gravity of the power pin, so that the power pin can move towards the direction close to the lock pin more reliably.
Preferably, the secondary locking mechanism further comprises an upper housing, and the upper housing is pressed on and detachably connected to the first lower housing;
the upper shell is provided with a fourth accommodating cavity, and a first sensor is arranged in the fourth accommodating cavity;
the execution part is provided with a second electromagnetic induction element;
wherein the first sensor acts on the second electromagnetic induction element to detect that the implement portion is in the extended state;
preferably, a second sensor is further disposed in the fourth accommodating cavity, and the second sensor acts on the second electromagnetic induction element to detect that the executing part is in the retracted state;
preferably, the second electromagnetic induction element is magnetic steel.
In this aspect, the second sensor is closer to the power pin than the first sensor. The first sensor, the second sensor and the second electromagnetic induction element can reliably detect when the lock pin is in the extending state and the retracting state, and the unlocking and locking of the battery pack by the primary locking mechanism are facilitated.
Preferably, the secondary locking mechanism is arranged in the middle of the lock connecting rod in a pressing mode.
In this scheme, the stability that second grade locking mechanism acted on the middle part of locking the connecting rod is favorable to improving the lock connecting rod, is favorable to improving the reliability that second grade locking mechanism acted on one-level locking mechanism to be favorable to improving the locking reliability of one-level locking mechanism to the battery package.
Preferably, the first-stage locking mechanism comprises three lock bases, the lock connecting rod is connected with three lock tongues, and the three lock tongues and the three lock bases are arranged in a one-to-one correspondence manner;
and/or one side of the lock connecting rod, which faces the lock base, is also provided with an unlocking block, the unlocking block is an arc-shaped bulge formed outwards from the lock connecting rod, and the top of the unlocking block is an inner arc groove recessed towards the lock connecting rod;
and/or the locking system comprises a plurality of secondary locking mechanisms, and the plurality of secondary locking mechanisms are uniformly arranged at the tops of the locking connecting rods in a pressing mode.
Preferably, the secondary locking mechanism is disposed on a side of the lock base opposite to the lock shaft of the battery pack.
The invention also provides a quick-change bracket assembly which is characterized by comprising a quick-change bracket and the locking system, wherein the lock base and the secondary locking mechanism are respectively connected to two opposite sides of the same side of the quick-change bracket.
The invention also provides a quick-change bracket assembly which is characterized by comprising a quick-change bracket and the locking system, wherein the lock base and the secondary locking mechanism are respectively connected to two opposite sides of the same side of the quick-change bracket;
the quick-change support is provided with a through hole, and the lock pin is switched between the first position and the second position through the through hole.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the locking system disclosed by the invention comprises the secondary locking mechanism, and the secondary locking mechanism can limit the movement of the locking linkage part relative to the lock base, so that the reliability of the primary locking mechanism can be improved, and the phenomenon that a battery pack falls off is reduced or avoided. The locking pin is switched between the first position and the second position by controlling the extension and retraction of the locking pin, the structure is simple, and the realization is convenient.
Drawings
Fig. 1 is a partial schematic structural view of a quick-change holder assembly according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a primary locking mechanism in the locking system according to a preferred embodiment of the invention.
FIG. 3 is a schematic diagram of the overall structure of the secondary locking mechanism in the locking system according to a preferred embodiment of the present invention
FIG. 4 is a cross-sectional view of a secondary locking mechanism of the locking system of a preferred embodiment of the present invention, wherein the locking pin is in an extended position.
Fig. 5 is an exploded view of a secondary locking mechanism according to a preferred embodiment of the invention.
FIG. 6 is another cross-sectional view of the secondary locking mechanism of the preferred embodiment of the present invention, wherein the locking pin is in a retracted state.
FIG. 7 is a schematic structural diagram of the lock pin of the two-stage locking mechanism according to a preferred embodiment of the present invention.
FIG. 8 is a schematic structural diagram of a power pin of the secondary locking mechanism according to a preferred embodiment of the invention.
Description of reference numerals:
10 two-stage locking mechanism
101 first lower case
1011 first containing cavity
1012 through hole
102 lock pin
1021 executing part
1022 connection part
1023 second accommodating cavity
1024 first inclined part
1025 concave part
1026 second electromagnetic induction element
103 power pin
1031 blocking part
1032 second inclined part
104 first electromagnetic induction element
105 first elastic element
106 second elastic element
107 second lower case
1071 third containing cavity
108 upper shell
1081 fourth accommodating chamber
1082 first sensor
1083 second sensor
20 one-stage locking mechanism
201 locking linkage part
2011 bolt
2012 lock connecting rod
202 lock base
203 unlocking block
30 quick-change bracket
301 through hole
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
The embodiment discloses a locking system and a quick-change bracket assembly comprising the same, which are used for unlocking and locking a battery pack on an electric automobile. The quick-change bracket component comprises a quick-change bracket and a locking system, and the quick-change bracket is installed on a chassis of the electric automobile.
As will be understood with reference to fig. 1 and 2, the locking system includes a primary locking mechanism 20 and a secondary locking mechanism 10. The primary locking mechanism 20 has a locking linkage portion 201 and a lock base 202, the lock base 202 has an opening and a cavity extending from the opening, the opening is used for allowing a lock shaft (not shown) mounted on the battery pack to enter the cavity, and the locking linkage portion moves relative to the lock base to open or close the opening to unlock or lock the battery pack. The secondary locking mechanism 10 is disposed on a moving path of the locking linkage 201, and is used for limiting the movement of the locking linkage 201 relative to the lock base 202 to lock the battery pack. The lock base 202 and the secondary locking mechanism 10 are respectively connected to two opposite sides of the same side of the quick-change holder 30.
In the embodiment, the secondary locking mechanism can limit the movement of the locking linkage part relative to the lock base, so that the reliability of the primary locking mechanism can be improved, and the phenomenon that the battery pack falls off is reduced or avoided.
As will be understood by further referring to fig. 1 and 2, the locking linkage 201 includes a locking tongue 2011 and a locking link 2012, the locking tongue 2011 is connected to the locking link 2012 and can rotate relative to the lock base 202, and the locking link 2012 drives the locking tongue 2011 to rotate under the action of an external force to unlock or lock the battery pack. The secondary locking mechanism 10 is movable between a first position and a second position relative to the lock link 2012. Wherein when the secondary locking mechanism 10 is in the first position, the secondary locking mechanism 10 acts on the lock link 2012 to limit movement of the lock link 2012 relative to the lock base 202; when the secondary locking mechanism 10 is in the second position, the secondary locking mechanism 10 is disengaged from the lock link 2012 to allow movement of the lock link 2012 relative to the lock base 202. Secondary locking mechanism 10 is disposed on the opposite side of lock base 202 from the lock shaft of the battery pack.
In this embodiment, the secondary locking mechanism acts on the lock link by a portion of the secondary locking mechanism being pressed against the top of the lock link. In other alternative embodiments, this may be achieved by a portion of the secondary locking mechanism abutting a side of the lock link.
As will be appreciated with reference to fig. 3-6, the secondary locking mechanism 10 includes a first lower housing 101 and a locking pin 102. The first lower housing 101 is detachably connected to a side surface of the lock base 30 opposite to the lock shaft, the first lower housing 101 has a first receiving cavity 1011 inside, and a through hole 1012 communicating with the first receiving cavity 1011 is formed on a side wall of the lower housing. The lock pin 102 is located in the first receiving cavity 1011, and the lock pin 102 is inserted into the through hole 1012 and can be switched between an extended state and a retracted state. Wherein when the latch 102 is in the extended state, the latch 102 is in the first position; the locking pin 102 is in the second position when the locking pin 102 is in the retracted state. The locking pin is switched between the first position and the second position by controlling the extension and retraction of the locking pin, the structure is simple, and the realization is convenient. In addition, as shown in fig. 1, a through hole 301 is formed in the quick-change holder 30, and the lock pin 102 is switched between the first position and the second position through the through hole 301.
As will be understood with reference to fig. 3-6, the secondary locking mechanism 10 further includes a power pin 103, a first electromagnetic inductive element 104, and a first elastic element 105. The power pin 103 acts on the lock pin 102, and the power pin 103 can move relative to the lock pin 102 to engage with or disengage from the lock pin 102. The first electromagnetic induction element 104 is disposed on the power pin 103, and the first electromagnetic induction element 104 is configured to drive the power pin 103 to apply an acting force to the lock pin 102 along a retraction direction of the lock pin 102 under the action of an external electromagnetic device. The first elastic element 105 is connected to one end of the lock pin 102 far away from the cavity, the first elastic element 105 abuts between the lock pin 102 and the inner wall surface of the first accommodating cavity 1011, and the first elastic element 105 is used for applying an acting force to the lock pin 102 along the extending direction of the lock pin 102. When the first electromagnetic induction element 104 is attracted with an external electromagnetic device, the power pin 103 is separated from the lock pin 102 and applies a force to the lock pin 102 in a retraction direction to make the lock pin 102 in a retracted state; when the first electromagnetic induction element 104 is separated from the external electromagnetic device, the first elastic element 105 applies a force to the lock pin 102 in the extending direction, and the power pin 103 engages with the lock pin 102 to place the lock pin 102 in the extending state.
In the present embodiment, when the first electromagnetic induction element 104 is engaged with an external electromagnetic device, the power pin 103 moves away from the lock pin 102 and applies a force to the lock pin 102 in a retracting direction, so that the lock pin 102 retracts, the lock pin 102 presses the first elastic element 105, and when the power pin 103 is completely separated from the lock pin 102, the first elastic element 105 provides a restoring force to the lock pin 102, so that the lock pin 102 returns to a position for engaging with the power pin 103. When the first electromagnetic induction element 104 is separated from the external electromagnetic device, the power pin 103 moves in a direction close to the lock pin 102 to engage with the lock pin 102, so that the lock pin 102 is in an extended state. In addition, in the scheme, the power pin 103 and the lock pin 102 are controlled to be connected and separated in a magnetic attraction mode, and then the lock pin 102 is controlled to extend and retract.
As will be appreciated with reference to fig. 3-7, the locking pin 102 has an actuation portion 1021 and a connecting portion 1022. The connecting portion 1022 is connected to an end of the executing portion 1021, which is away from the cavity, the connecting portion 1022 has a second receiving cavity 1023, and the second receiving cavity 1023 is used for receiving the power pin 103. The first elastic element 105 is connected to one end of the connecting portion 1022 far from the executing portion 1021, the first elastic element 105 abuts between the connecting portion 1022 and an inner wall surface of the first accommodating cavity 1011, and the first elastic element 105 applies an acting force to the connecting portion 1022 in an extending direction. When the power pin 103 is engaged with the lock pin 102, one end of the power pin 103 close to the lock pin 102 is engaged with the second receiving cavity 1023, which belongs to embedded connection and occupies less space.
In the present embodiment, as shown in fig. 3-6, a first included angle is formed between the length direction of the connecting portion 1022 and the height direction of the power pin 103, and the first included angle is equal to 90°The second receiving cavity 1023 extends in the height direction of the power pin 103 to move the power pin 103 in the height direction of the power pin 103 with respect to the lock pin 102.
It should be noted that in other alternative embodiments, the first included angle may be set to be greater than 0°And less than 90°Any angle therebetween.
As will be understood by referring to fig. 3-6 and 8, the power pin 103 has a head end and a tail end along the height direction thereof, the head end of the power pin 103 is embedded in the second receiving cavity 1023, and the first electromagnetic induction element 104 is disposed at the tail end of the power pin 103. The inner wall surface of the second receiving cavity 1023 has a first inclined part 1024, and the head end of the power pin 103 has a second inclined part 1032 fitting the first inclined part 1024. When the power pin 103 is engaged with the lock pin 102, the first inclined part 1024 is attached to the second inclined part 1032; when the power pin 103 is separated from the lock pin 102, the second inclined portion 1032 moves downward relative to the first inclined portion 1024 and applies a force in the retracting direction to the lock pin 102 to put the lock pin 102 in the retracted state.
In the present embodiment, by skillfully utilizing the cooperation of the first inclined part 1024 and the second inclined part 1032, when the power pin 103 moves in a direction away from the lock pin 102, the first inclined part 1024 slides relative to the second inclined part 1032, and the frictional force applied to the second inclined part 1032 by the first inclined part 1024 can be decomposed into a component force in the retracting direction, under which the lock pin 102 retracts.
As will be understood by referring to fig. 5 and 8, the inner wall surface of the second receiving chamber 1023 further has a recessed portion 1025, and the head end of the power pin 103 has a protruding portion fitted into the recessed portion 1025. The inner wall surface of the second accommodating cavity 1023 has two first inclined parts 1024, and the two first inclined parts 1024 are oppositely disposed at two sides of the recessed part 1025.
In the present embodiment, the recessed portion 1025 can limit the position of the power pin 103, which helps to ensure the reliable engagement of the power pin 103 with the lock pin 102, thereby helping to achieve stable extension of the lock pin 102 and reliable locking of the lock shaft.
As will be understood with reference to fig. 4, the first electromagnetic induction element 104 is embedded in the rear end of the power pin 103. The arrangement is such that the first electromagnetic induction element 104 does not occupy additional space outside the power pin 103, which is beneficial to improving the space utilization rate. In addition, it is also advantageous to protect the first electromagnetic induction element 104.
As will be understood by further referring to fig. 3 to 6, the rear end of the power pin 103 is sleeved with a second elastic element 106, and the second elastic element 106 applies a force to the power pin 103 in a direction approaching the connecting part 1022; wherein the force exerted by the second elastic element 106 on the power pin 103 is greater than the weight force of the power pin 103. In the present embodiment, when the power pin 103 is engaged with the lock pin 102, the urging force applied to the power pin 103 by the second elastic member 106 can prevent the power pin 103 from falling down by gravity, and thus the reliability of the engagement of the power pin 103 with the lock pin 102 can be further improved. When the power pin 103 needs to move towards the direction close to the lock pin 102, the acting force applied to the power pin 103 by the second elastic element 106 can overcome the gravity of the power pin 103, so that the power pin 103 can move towards the direction close to the lock pin 102 more reliably.
As will be understood by further referring to fig. 2 to 6, the secondary locking mechanism 10 further includes a second lower housing 107, the second lower housing 107 is connected to the bottom of the first lower housing 101, the second lower housing 107 has a third accommodating cavity 1071, the third accommodating cavity 1071 is communicated with the first accommodating cavity 1011, and the power pin 103 is located in the third accommodating cavity 1071. A second included angle is formed between the central axis of the second lower casing 107 and the central axis of the first lower casing 101, and the second included angle is equal to the first included angle.
In the present embodiment, as will be understood by referring to fig. 4 to 6 and 8, the blocking portions 1031 are provided on the outer wall surface of the power pin 103 at positions corresponding to both ends of the second elastic member 106, and the second elastic member 106 is caught between the blocking portions 1031. That is, in the present embodiment, the second elastic element 106 is entirely fitted over the outer wall surface of the power pin 103, and the second elastic element 106 is a spring. Wherein the blocking part 1031 mainly functions to position the second elastic element 106 to limit the movement of the second elastic element 106 in the height direction of the power pin 103.
In other alternative embodiments, a part of the second elastic element 106 may be sleeved on the outer wall surface of the power pin 103, and another part of the second elastic element 106 abuts against the second lower housing 107, that is, a blocking portion 1031 is provided on the outer wall surface of the power pin 103 at a position corresponding to one end of the second elastic element 106, and the second elastic element 106 is clamped between the blocking portion 1031 and the second lower housing 107.
As will be appreciated with continued reference to fig. 2-6, the secondary locking mechanism 10 further includes an upper housing 108, the upper housing 108 being press-fitted to and removably attached to the first lower housing 101. The upper case 108 can fix and protect the lock pin 102, the power pin 103, and the like. The upper housing 108 has a fourth accommodating cavity 1081, a first sensor 1082 is disposed in the fourth accommodating cavity 1081, and a second electromagnetic induction element 1026 is disposed on the executing portion 1021. The first sensor 1082 acts on the second electromagnetic induction element 1026 to detect that the executing portion 1021 is in the extended state. A second sensor 1083 is further disposed in the fourth accommodating cavity 1081, and the second sensor 1083 acts on the second electromagnetic induction element 1026 to detect that the executing portion 1021 is in the retracted state. Wherein the second sensor 1083 is closer to the power pin 103 than the first sensor 1082. When the lock pin 102 is in the extended state or the retracted state, the first sensor 1082, the second sensor 2083 and the second electromagnetic induction element 1026 can be reliably detected, which is beneficial for unlocking and locking the battery pack by the primary locking mechanism 20. In the present embodiment, the first electromagnetic induction element 104 and the second electromagnetic induction element 1026 are both magnetic steel.
In this embodiment, the locking system includes a plurality of secondary locking mechanisms for uniformly pressing against the top of the lock link. In addition, in the embodiment, the two-stage locking mechanism adopts an electromagnetic attraction power pin mode to realize the extension and retraction of the lock pin, and the extension and retraction of the lock pin are in the same straight line direction. In other alternative embodiments, other driving manners (non-electromagnetic driving manners) may be used to realize the extension and retraction of the lock pin, the action path of the lock pin may be set to be a curve, and other non-lock pin structures, such as a crank mechanism and a rocker mechanism, may also be used to realize the switching between the first position and the second position of the two-stage locking mechanism.
As for the first-stage locking mechanism, as will be understood with reference to fig. 1 and 2, the first-stage locking mechanism 20 includes three lock bases 202, three locking tongues 2011 are connected to the lock link 201, and the three locking tongues 2011 are arranged in one-to-one correspondence with the three lock bases 202. The side of the lock connecting rod 201 facing the lock base 202 is further provided with an unlocking block 203, the unlocking block 203 is an arc-shaped protrusion formed outwards by the self-locking connecting rod 201, and the top of the unlocking block 203 is an inner arc groove recessed towards the lock connecting rod 201. In this embodiment, the secondary locking mechanism acts on the middle of the lock connecting rod, which is beneficial to improving the stability of the lock connecting rod, and the reliability of the secondary locking mechanism acting on the primary locking mechanism, thereby being beneficial to improving the reliability of the primary locking mechanism for locking the battery pack.
The secondary locking mechanism in the locking system can limit the movement of the locking linkage part relative to the lock base, so that the reliability of the primary locking mechanism can be improved, and the phenomenon that the battery pack falls off is reduced or avoided
In describing the present invention, an embodiment may be provided with multiple figures, and reference numerals for like parts of the same embodiment are not necessarily shown in each figure; it will be appreciated by those skilled in the art that while one or more figures in an embodiment are described, they may be understood in conjunction with other figures in the embodiment; it will be understood by those skilled in the art that when no specific reference is made to which figure the text specifically corresponds, the text can be understood in conjunction with all of the figures in the embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those 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, are not to be construed as limiting the present invention.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (17)
1. The utility model provides a locking system for the battery package, locking system includes one-level locking mechanism, one-level locking mechanism has locking linkage portion and lock base, lock base is equipped with an opening and certainly a cavity that the opening extends, the opening be used for supply install in the lock axle of battery package gets into the cavity, locking linkage portion is relative the lock base removes in order to open or close the opening, with unblock or locking the battery package, its characterized in that, locking system still includes:
the secondary locking mechanism is arranged on a moving path of the locking linkage part and used for limiting the movement of the locking linkage part relative to the lock base so as to lock the battery pack;
the secondary locking mechanism includes:
a lock pin switchable between an extended state and a retracted state;
a power pin acting on the lock pin, the power pin being movable relative to the lock pin to engage with or disengage from the lock pin;
the first electromagnetic induction element is arranged on the power pin and used for driving the power pin to apply acting force to the lock pin along the retraction direction of the lock pin under the action of external electromagnetic equipment;
wherein when the locking pin is in the extended state, the locking pin is in the first position;
the locking pin is in the second position when the locking pin is in the retracted state.
2. The latch system of claim 1, wherein said latch linkage includes a lock link, said secondary latch mechanism being movable relative to said lock link between a first position and a second position;
wherein when the secondary locking mechanism is in the first position, the secondary locking mechanism acts on the lock link to restrict movement of the lock link relative to the lock base;
when the secondary locking mechanism is in the second position, the secondary locking mechanism disengages the lock link to allow movement of the lock link relative to the lock base.
3. The latch system of claim 2, wherein the latch linkage portion comprises a latch tongue coupled to the latch link and rotatable relative to the latch base, the latch link being configured to rotate the latch tongue under an external force to unlock or latch the battery pack.
4. The detent system according to claim 3,
the secondary locking mechanism includes:
the first lower shell is detachably connected to one side face, opposite to the lock shaft, of the lock base, a first accommodating cavity is formed in the first lower shell, and a through hole communicated with the first accommodating cavity is formed in the side wall of the lower shell;
the lock pin is positioned in the first accommodating cavity and penetrates through the through hole.
5. The locking system of claim 4, wherein the secondary locking mechanism further comprises:
the first elastic element is connected to one end, far away from the cavity, of the lock pin, abuts between the lock pin and the inner wall surface of the first accommodating cavity, and is used for applying acting force to the lock pin along the extending direction of the lock pin;
wherein when the first electromagnetic induction element is engaged with the external electromagnetic device, the power pin is separated from the lock pin and applies a force to the lock pin in the retraction direction to place the lock pin in the retracted state;
when the first electromagnetic induction element is separated from the external electromagnetic equipment, the first elastic element applies acting force to the lock pin along the extending direction, and the power pin is engaged with the lock pin so as to enable the lock pin to be in the extending state.
6. The detent system according to claim 5, wherein said detent pin has:
an actuator for acting on a top of the lock link;
the connecting part is connected to one end, far away from the cavity, of the executing part and is provided with a second accommodating cavity used for accommodating the power pin;
the first elastic element is connected to one end, far away from the execution part, of the connecting part, the first elastic element abuts against the position between the connecting part and the inner wall surface of the first accommodating cavity, and acting force applied to the connecting part in the extending direction is exerted by the first elastic element.
7. The detent system according to claim 6, wherein said power pin has a head end and a tail end along a height direction thereof, said head end of said power pin is inserted into said second receiving cavity, and said first electromagnetic induction element is disposed at said tail end of said power pin;
the inner wall surface of the second accommodating cavity is provided with a first inclined part, and the head end of the power pin is provided with a second inclined part matched with the first inclined part;
wherein the first inclined portion abuts the second inclined portion when the power pin is engaged with the lock pin;
when the power pin is separated from the lock pin, the second inclined portion moves downward relative to the first inclined portion and applies a force to the lock pin in the retracting direction to place the lock pin in the retracted state.
8. The detent system according to claim 7, wherein a second elastic member is fitted around a rear end of said power pin, and said second elastic member applies a force to said power pin in a direction approaching said connecting portion.
9. The detent system according to claim 8, wherein said second resilient element applies a force to said power pin that is greater than the force of gravity of said power pin.
10. The latch system of claim 6, wherein said secondary latch mechanism further comprises an upper housing, said upper housing being press fit onto and removably attached to said first lower housing;
the upper shell is provided with a fourth accommodating cavity, and a first sensor is arranged in the fourth accommodating cavity;
the execution part is provided with a second electromagnetic induction element;
wherein the first sensor acts on the second electromagnetic induction element to detect that the implement portion is in the extended state.
11. The latch system of claim 10, wherein a second sensor is disposed in said fourth cavity and acts on said second electromagnetic sensor to detect said actuator being in said retracted state.
12. The detent system according to claim 11, wherein said second electromagnetic induction element is magnetic steel.
13. The latch system of any of claims 1-12, wherein said secondary latch mechanism is adapted to be pressed onto a middle portion of said lock link.
14. The latch system according to any of claims 3-12, wherein said primary latching mechanism comprises three said lock bases, and said lock link is connected to three said locking tongues, said three locking tongues being disposed in one-to-one correspondence with said three lock bases;
and/or one side of the lock connecting rod, which faces the lock base, is also provided with an unlocking block, the unlocking block is an arc-shaped bulge formed outwards from the lock connecting rod, and the top of the unlocking block is an inner arc groove recessed towards the lock connecting rod;
and/or the locking system comprises a plurality of secondary locking mechanisms, and the plurality of secondary locking mechanisms are uniformly arranged at the tops of the locking connecting rods in a pressing mode.
15. The latching system of any of claims 1-14, wherein said secondary latching mechanism is disposed on an opposite side of said lock base from a lock shaft of said battery pack.
16. A quick-change holder assembly comprising a quick-change holder and a locking system according to any one of claims 1-15, wherein the lock base and the secondary locking mechanism are attached to opposite sides of the same side of the quick-change holder.
17. A quick-change holder assembly, comprising a quick-change holder and a locking system according to any one of claims 1-15, wherein the lock base and the secondary locking mechanism are respectively connected to opposite sides of the same side of the quick-change holder;
the quick-change support is provided with a through hole, and the lock pin is switched between the first position and the second position through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111599115.3A CN114161988B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482898.0A CN109986940B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
| CN202111599115.3A CN114161988B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482898.0A Division CN109986940B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114161988A true CN114161988A (en) | 2022-03-11 |
| CN114161988B CN114161988B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111599115.3A Active CN114161988B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
| CN201711482898.0A Active CN109986940B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482898.0A Active CN109986940B (en) | 2017-12-29 | 2017-12-29 | Locking system and quick-change bracket assembly comprising same |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN114161988B (en) |
| EA (2) | EA202192218A1 (en) |
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| CN115217841A (en) * | 2022-07-15 | 2022-10-21 | 北京融为科技有限公司 | Locking mechanism for photoelectric turntable |
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| US11359410B2 (en) | 2017-12-29 | 2022-06-14 | Shanghai Dianba New Energy Technology Co., Ltd. | Lock mechanism, lock system, quick exchange bracket assembly and electronic vehicle |
| CN112297939B (en) * | 2019-07-26 | 2022-05-03 | 浙江吉智新能源汽车科技有限公司 | Locking mechanism |
| CN110509756A (en) * | 2019-09-12 | 2019-11-29 | 博众精工科技股份有限公司 | A kind of displacement unlocking mechanism changes level platform |
| CN112706599B (en) * | 2019-10-24 | 2022-07-29 | 北京新能源汽车股份有限公司 | Mounting device for quick-change battery, battery changing system and vehicle |
| CN113119709B (en) * | 2020-01-15 | 2023-09-22 | 北京新能源汽车股份有限公司 | Locking mechanism assembly and electric automobile |
| CN113199928B (en) * | 2020-01-15 | 2022-05-20 | 北京新能源汽车股份有限公司 | Power battery installation device and electric automobile |
| CN111251937B (en) * | 2020-01-23 | 2022-03-22 | 奥动新能源汽车科技有限公司 | Shuttle and shuttle control method |
| CN113352930B (en) * | 2020-03-05 | 2023-11-03 | 北京新能源汽车股份有限公司 | Automobile battery replacement system and battery replacement method |
| CN113744514A (en) * | 2020-05-29 | 2021-12-03 | 蓝谷智慧(北京)能源科技有限公司 | Battery package signal transmission system |
| CN111703290B (en) * | 2020-06-12 | 2022-04-12 | 北京新能源汽车股份有限公司 | Locking mechanism assembly, locking method, unlocking method and electric automobile |
| CN111703334B (en) * | 2020-06-12 | 2021-12-17 | 北京新能源汽车股份有限公司 | Locking mechanism assembly, locking method, unlocking method and electric automobile |
| CN111688466B (en) * | 2020-06-12 | 2021-10-29 | 北京新能源汽车股份有限公司 | Quick-change battery pack mounting device, locking method, unlocking method and electric automobile |
| CN111703330B (en) * | 2020-06-12 | 2022-04-19 | 北京新能源汽车股份有限公司 | Battery replacement control system, electric automobile and battery replacement control method |
| CN111703289B (en) * | 2020-06-12 | 2021-11-19 | 北京新能源汽车股份有限公司 | Quick-change power battery installation system, locking method, unlocking method and electric automobile |
| CN111703331B (en) * | 2020-06-12 | 2022-04-26 | 北京新能源汽车股份有限公司 | Quick-change power battery installation system, locking method, unlocking method and electric automobile |
| CN111697179B (en) * | 2020-06-12 | 2023-02-21 | 北京新能源汽车股份有限公司 | Locking mechanism assembly, locking method, unlocking method and electric automobile |
| CN111703332B (en) * | 2020-06-12 | 2021-12-14 | 北京新能源汽车股份有限公司 | Quick-change power battery installation system, locking method, unlocking method and electric automobile |
| CN111710810B (en) * | 2020-06-12 | 2022-12-27 | 北京新能源汽车股份有限公司 | Locking mechanism and secondary locking state determination method for power battery installation device |
| CN114312273A (en) * | 2020-09-30 | 2022-04-12 | 奥动新能源汽车科技有限公司 | Locking control method and system and unlocking control method and system of locking mechanism |
| CN112542647B (en) * | 2020-12-14 | 2022-08-26 | 山东汽车制造有限公司 | Be applied to plug-type dismouting device of adjustable hasp of new forms of energy freight train power battery |
| CN113199930B (en) * | 2021-05-25 | 2022-07-22 | 东风柳州汽车有限公司 | Locking mechanism and electric automobile |
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Also Published As
| Publication number | Publication date |
|---|---|
| EA202091609A1 (en) | 2020-11-30 |
| CN109986940A (en) | 2019-07-09 |
| EA202192218A1 (en) | 2022-01-31 |
| CN109986940B (en) | 2021-11-12 |
| CN114161988B (en) | 2024-02-13 |
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