CN114161988B - Locking system and quick-change bracket assembly comprising same - Google Patents

Locking system and quick-change bracket assembly comprising same Download PDF

Info

Publication number
CN114161988B
CN114161988B CN202111599115.3A CN202111599115A CN114161988B CN 114161988 B CN114161988 B CN 114161988B CN 202111599115 A CN202111599115 A CN 202111599115A CN 114161988 B CN114161988 B CN 114161988B
Authority
CN
China
Prior art keywords
lock
pin
locking
locking mechanism
locking system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202111599115.3A
Other languages
Chinese (zh)
Other versions
CN114161988A (en
Inventor
黄春华
兰志波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
Original Assignee
Aulton New Energy Automotive Technology Co Ltd
Shanghai Dianba New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aulton New Energy Automotive Technology Co Ltd, Shanghai Dianba New Energy Technology Co Ltd filed Critical Aulton New Energy Automotive Technology Co Ltd
Priority to CN202111599115.3A priority Critical patent/CN114161988B/en
Publication of CN114161988A publication Critical patent/CN114161988A/en
Application granted granted Critical
Publication of CN114161988B publication Critical patent/CN114161988B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Battery Mounting, Suspending (AREA)

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 extends the cavity from the opening, 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 lock 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, wherein the secondary locking mechanism is arranged on the 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 assembly comprises a quick-change bracket and a locking system, and 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 second-level locking mechanism can limit the movement of the locking linkage part relative to the lock base, so that the reliability of the first-level locking mechanism can be improved, and the falling phenomenon of a battery pack can be reduced or avoided.

Description

Locking system and quick-change bracket assembly comprising same
The present application is a divisional application of chinese patent application with application date 2017, 12, 29, 2017114828980, and the invention and creation name "locking system and quick-change bracket assembly including the same".
Technical Field
The invention relates to the field of power conversion of electric automobiles, in particular to a locking system and a quick-change bracket assembly comprising the same.
Background
The existing battery pack mounting mode of the electric vehicle is generally divided into a fixed type and a replaceable type, wherein the fixed type battery pack is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery pack is generally movably installed, and can be taken down at any time and replaced by a new battery pack.
During the replacement of a new battery pack, locking and unlocking of the battery pack are involved. Generally, lock shafts are mounted 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 component, and the quick-change bracket component is mounted on the chassis of the electric vehicle; the locking shaft is matched with the locking device to lock the battery pack.
The locking system used in the existing locking device is usually a primary locking mechanism, and the primary locking mechanism comprises a lock base and a lock tongue, wherein the primary locking mechanism is switched between a locking state and an unlocking state through 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 fail, 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 fail, and the battery pack is easy to loose 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 fail and a battery pack is easy to loose or fall off, and provides a locking system and a quick-change bracket assembly comprising the same.
The invention solves the technical problems by the following technical scheme:
a locking system for a battery pack, the locking system comprising a primary locking mechanism having a locking linkage and a lock base, the lock base having an opening for a lock shaft mounted to the battery pack to enter the cavity and a cavity extending from the opening, the locking linkage moving relative to the lock base to open or close the opening to unlock or lock the battery pack, the locking system further comprising:
the secondary locking mechanism is arranged on the 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 or disengage the lock pin;
the first electromagnetic induction element is arranged on the power pin and is 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 the locking pin is in the first position when the locking pin is in the extended state;
the locking pin is in the second position when the locking pin is in the retracted state.
In this scheme, the motion of locking linkage portion for the lock base can be restricted to second grade locking mechanism to can improve the reliability of one-level locking mechanism, 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, so that the locking pin is simple in structure and convenient to realize.
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 limit movement of the lock link relative to the lock base;
when the secondary lock mechanism is in the second position, the secondary lock mechanism disengages the lock link to permit movement of the lock link relative to the lock base.
In this scheme, second grade locking mechanism acts on the lock connecting rod and both can press the top that locates the lock connecting rod through the part of second grade locking mechanism and realize, also can realize in the side of lock connecting rod through the part butt of second grade locking mechanism.
Preferably, the locking linkage part comprises a lock tongue, the lock tongue is connected with the lock connecting rod and can rotate relative to the lock base, and the lock connecting rod is used for driving the lock tongue to rotate under the action of external force so as to unlock or lock the battery pack.
Preferably, the secondary locking mechanism includes:
the first lower shell is detachably connected to one side surface, 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 the lock pin 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, the first elastic element is abutted between the lock pin and the inner wall surface of the first accommodating cavity, and the first elastic element is used for applying a force to the lock pin along the extending direction of the lock pin;
wherein when the first electromagnetic induction element is attracted to the external electromagnetic device, the power pin is separated from the lock pin, and a force in the retraction direction is applied to the lock pin to bring the lock pin into the retracted state;
when the first electromagnetic induction element is separated from the external electromagnetic device, the first elastic element applies a force to the lock pin in the extending direction, and the power pin is engaged with the lock pin to bring the lock pin into the extending state.
In this aspect, when the first electromagnetic induction element is attracted to the external electromagnetic device, the power pin moves in a direction away from the lock pin, and a force is applied to the lock pin in a retraction direction so that the lock pin is retracted, the lock pin presses the first elastic element, and when the power pin is completely separated from the lock pin, the first elastic element provides a restoring force to the lock pin so that the lock pin returns to a position for engaging the power pin. When the first electromagnetic induction element is separated from the external electromagnetic device, the power pin moves toward the lock pin to engage with the lock pin so that the lock pin is in the extended state. In addition, in the scheme, the engagement and the separation of the power pin and the lock pin are controlled by adopting a magnetic attraction mode, so that the extension and the retraction of the lock pin are controlled, the control method is simple, and the control efficiency is higher.
Preferably, the lock pin has:
an actuator for acting on the 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 for accommodating the power pin;
the first elastic element is connected to one end of the connecting portion, which is far away from the executing portion, and is abutted between the connecting portion and the inner wall surface of the first accommodating cavity, and the first elastic element applies a force to the connecting portion along the extending direction.
In this scheme, when power round pin and lock pin joint, the one end block that the power round pin is close to the lockpin is in the second accommodation chamber, belongs to embedded connection, and the space that occupies is less.
Preferably, the power pin is provided with a head end and a tail end along the height direction, 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, when the power pin is combined with the lock pin, the first inclined part is attached to the second inclined part;
when the power pin is separated from the lock pin, the second inclined portion moves downward with respect to the first inclined portion, and applies a force to the lock pin in the retraction direction to bring the lock pin into the retracted state.
In this aspect, the engagement of the first inclined portion and the second inclined portion is used skillfully, when the power pin moves in a direction away from the lock pin, the first inclined portion slides relative to the second inclined portion, and the friction force applied to the second inclined portion by the first inclined portion can be decomposed into a component force in the retraction direction, under the action of which the lock pin is retracted.
Preferably, the tail end of the power pin is sleeved with a second elastic element, and the second elastic element applies a force to the power pin along the direction close to the connecting part;
preferably, the force applied to the power pin by the second elastic element is greater than the gravitational force of the power pin.
In the scheme, when the power pin is in pin connection with the lock pin, the acting force applied to the power pin by the second elastic element can enable the power pin not to fall under the action of gravity, so that the reliability of the engagement of the power pin and the lock pin can be further improved. When the power pin is required to move towards the direction approaching 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 approaching the lock pin more reliably.
Preferably, the secondary locking mechanism further comprises an upper shell, and the upper shell is pressed on and detachably connected with the first lower shell;
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 executing part is in the extended state;
preferably, a second sensor is further disposed in the fourth accommodating cavity, and 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 an extending state and a retracting state, and unlocking and locking of the primary locking mechanism to the battery pack are facilitated.
Preferably, the secondary locking mechanism is used for being pressed at the middle part of the lock connecting rod.
In this scheme, the second grade locking mechanism is used in the middle part of lock connecting rod and is favorable to improving the stability of lock connecting rod, is favorable to improving the reliability that the second grade locking mechanism is used in on the one-level locking mechanism to be favorable to improving the locking reliability of one-level locking mechanism to the battery package.
Preferably, the primary locking mechanism comprises three lock bases, three lock bolts are connected to the lock connecting rod, and the three lock bolts are arranged in one-to-one correspondence with the 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 secondary locking mechanisms are used for being uniformly pressed on the top of the lock connecting rod.
Preferably, the secondary locking mechanism is disposed on a side of the lock base opposite to a 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 bracket 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 conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that:
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 falling phenomenon of a battery pack can be 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, so that the locking pin is simple in structure and convenient to realize.
Drawings
Fig. 1 is a schematic view of a part of a quick-change bracket assembly according to a preferred embodiment of the invention.
Fig. 2 is a schematic structural view of a primary locking mechanism in a locking system according to a preferred embodiment of the present invention.
FIG. 3 is a schematic view showing the overall structure of a secondary lock mechanism in a lock system according to a preferred embodiment of the present invention
FIG. 4 is a schematic cross-sectional view of a secondary lock mechanism in a locking system according to a preferred embodiment of the present invention, wherein the locking pin is in an extended state.
Fig. 5 is an exploded view of the secondary locking mechanism according to a preferred embodiment of the present invention.
FIG. 6 is a schematic cross-sectional view of a secondary lock mechanism according to a preferred embodiment of the present invention, wherein the lock pin is in a retracted state.
FIG. 7 is a schematic view showing the structure of a lock pin in the secondary lock mechanism according to a preferred embodiment of the present invention.
Fig. 8 is a schematic view showing the structure of the power pin in the secondary locking mechanism according to a preferred embodiment of the present invention.
Reference numerals illustrate:
10 second-level locking mechanism
101 first lower shell
1011 first accommodation chamber
1012 through hole
102 lockpin
1021 execution unit
1022 connection portion
1023 second accommodation cavity
1024 first inclined portion
1025 concave part
1026 second electromagnetic induction element
103 power pin
1031 blocking part
1032 second inclined portion
104 first electromagnetic induction element
105 first elastic element
106 second elastic element
107 second lower shell
1071 third accommodation cavity
108 upper shell
1081 fourth receiving chamber
1082 first sensor
1083 second sensor
20-level locking mechanism
201 locking linkage part
2011 spring 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 means of the following examples, which are not intended to limit the scope of the invention.
The embodiment discloses a locking system and 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 assembly comprises a quick-change bracket and a locking system, and the quick-change bracket is arranged on a chassis of the electric automobile.
As will be appreciated 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 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 a lock shaft (not shown in the figure) mounted on the battery pack to enter the cavity, and the locking linkage moves relative to the lock base to open or close the opening so as to unlock or lock the battery pack. The secondary lock mechanism 10 is provided on a moving path of the lock link portion 201, and is used to restrict movement of the lock link portion 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 opposite sides of the same side of the quick-change bracket 30.
In this embodiment, the secondary locking mechanism can restrict the movement of the locking linkage portion with respect to the lock base, so that the reliability of the primary locking mechanism can be improved, and the occurrence of the phenomenon that the battery pack falls off can be reduced or avoided.
As will be understood with continued reference to fig. 1 and 2, the locking linkage 201 includes a lock tongue 2011 and a lock link 2012, where the lock tongue 2011 is connected to the lock link 2012 and can rotate relative to the lock base 202, and the lock link 2012 is used to drive the lock tongue 2011 to rotate under the action of an external force to unlock or lock the battery pack. The secondary lock mechanism 10 is movable relative to the lock link 2012 between a first position and a second position. Wherein when secondary lock mechanism 10 is in the first position, secondary lock mechanism 10 acts on lock link 2012 to limit movement of lock link 2012 relative to lock base 202; when the secondary lock mechanism 10 is in the second position, the secondary lock mechanism 10 disengages the lock link 2012 to allow movement of the lock link 2012 relative to the lock base 202. The secondary lock mechanism 10 is provided on the side of the lock base 202 opposite to the lock shaft of the battery pack.
In this embodiment, the secondary locking mechanism acts on the lock link and is partially pressed against the top of the lock link by the secondary locking mechanism. In other alternative embodiments, this may be achieved by a portion of the secondary locking mechanism abutting the 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 accommodating cavity 1011 therein, and a sidewall of the lower housing has a through hole 1012 communicating with the first accommodating cavity 1011. The lock pin 102 is located in the first accommodating cavity 1011, and the lock pin 102 is disposed through the through hole 1012 and is capable of switching between an extended state and a retracted state. Wherein the locking pin 102 is in the first position when the locking pin 102 is in the extended state; 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, so that the locking pin is simple in structure and convenient to realize. In addition, as shown in fig. 1, a through hole 301 is provided in the quick-change bracket 30, and the lock pin 102 is switched between the first position and the second position through the through hole 301.
As will be appreciated with reference to fig. 3-6, the secondary locking mechanism 10 further includes a power pin 103, a first electromagnetic sensing element 104, and a first resilient element 105. The power pin 103 acts on the locking pin 102, and the power pin 103 is movable relative to the locking pin 102 to engage or disengage the locking 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 a force to the lock pin 102 along the retraction direction of the lock pin 102 under the action of an external electromagnetic device. The first elastic element 105 is connected to an end of the lock pin 102 away from the cavity, the first elastic element 105 is abutted between the lock pin 102 and an inner wall surface of the first accommodating cavity 1011, and the first elastic element 105 is used for applying a force to the lock pin 102 along an extending direction of the lock pin 102. Wherein when the first electromagnetic induction element 104 is attracted to the external electromagnetic device, the power pin 103 is separated from the lock pin 102, and applies a force to the lock pin 102 in the retraction direction to bring the lock pin 102 into the 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 is engaged with the lock pin 102 to bring the lock pin 102 into the extending state.
In this embodiment, when the first electromagnetic induction element 104 is attracted to the external electromagnetic device, the power pin 103 moves in a direction away from the lock pin 102, and a force in a retracting direction is applied to the lock pin 102, so that the lock pin 102 is retracted, 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 engagement with the power pin 103. When the first electromagnetic induction element 104 is separated from the external electromagnetic device, the power pin 103 moves toward the lock pin 102 to engage with the lock pin 102, so that the lock pin 102 is in the extended state. In addition, in the scheme, the engagement and the disengagement of the power pin 103 and the lock pin 102 are controlled by adopting a magnetic attraction mode, so that the extension and the retraction of the lock pin 102 are controlled, the control method is simple, and the control efficiency is higher.
As will be appreciated with reference to fig. 3-7, the locking pin 102 has an actuating portion 1021 and a connecting portion 1022. The connecting portion 1022 is connected to an end of the actuating portion 1021 away from the cavity, and the connecting portion 1022 has a second accommodating cavity 1023, where the second accommodating cavity 1023 is used for accommodating the power pin 103. The first elastic element 105 is connected to an end of the connecting portion 1022 away from the executing portion 1021, the first elastic element 105 is abutted between the connecting portion 1022 and an inner wall surface of the first accommodating cavity 1011, and the first elastic element 105 applies a force to the connecting portion 1022 along the extending direction. When the power pin 103 is engaged with the lock pin 102, one end of the power pin 103, which is close to the lock pin 102, is clamped in the second accommodating cavity 1023, and the power pin is connected in an embedded manner, so that the occupied space is small.
In this embodiment, as shown in fig. 3-6, a first angle is formed between the length direction of the connection portion 1022 and the height direction of the power pin 103, and the first angle is equal to 90 ° A second containerThe cavity 1023 extends in the height direction of the power pin 103 to move the power pin 103 relative to the lock pin 102 in the height direction of the power pin 103.
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 with reference to fig. 3 to 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 accommodating cavity 1023, and the first electromagnetic induction element 104 is arranged at the tail end of the power pin 103. The second accommodation chamber 1023 has a first inclined portion 1024 on an inner wall surface thereof, and a head end of the power pin 103 has a second inclined portion 1032 adapted to the first inclined portion 1024. Wherein, when the power pin 103 is engaged with the lock pin 102, the first inclined portion 1024 is attached to the second inclined portion 1032; when the power pin 103 is separated from the lock pin 102, the second inclined portion 1032 moves downward with respect to the first inclined portion 1024 and applies a force to the lock pin 102 in the retraction direction to bring the lock pin 102 into the retracted state.
In the present embodiment, the engagement of the first inclined portion 1024 and the second inclined portion 1032 is skillfully utilized, and when the power pin 103 moves in a direction away from the lock pin 102, the first inclined portion 1024 slides with respect to the second inclined portion 1032, and the friction force applied to the second inclined portion 1032 by the first inclined portion 1024 can be decomposed into a component force in the retraction direction, under which the lock pin 102 is retracted.
As will be understood with reference to fig. 5 and 8, the second accommodating cavity 1023 further has a recess 1025 on an inner wall surface thereof, and the head end of the power pin 103 has a protrusion adapted to the recess 1025. The second accommodating cavity 1023 has two first inclined portions 1024 on an inner wall surface thereof, and the two first inclined portions 1024 are oppositely disposed at two sides of the recess 1025.
In this embodiment, the recess 1025 can act as a stop for the power pin 103, helping to reliably engage the power pin 103 with the locking pin 102, thereby helping to achieve a stable extension of the locking pin 102, and thus helping to achieve a 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 tail 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. In addition, it is also advantageous to protect the first electromagnetic induction element 104.
As will be understood with continued reference to fig. 3-6, the tail 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 along the direction approaching the connection 1022; wherein the force exerted by the second resilient element 106 on the power pin 103 is greater than the weight of the power pin 103. In the present embodiment, when the power pin 103 is engaged with the lock pin 102, the force applied to the power pin 103 by the second elastic member 106 can be such that the power pin 103 does not fall down by the force of gravity, and the reliability of the engagement of the power pin 103 with the lock pin 102 can be further improved. When the power pin 103 is required to move in a direction approaching the lock pin 102, the force applied to the power pin 103 by the second elastic member 106 can overcome the gravity of the power pin 103, so that the power pin 103 can move in a direction approaching the lock pin 102 more reliably.
As will be further appreciated with continued reference to fig. 2-6, the secondary locking mechanism 10 further includes a second lower housing 107, the second lower housing 107 being connected to the bottom of the first lower housing 101, the second lower housing 107 having a third receiving cavity 1071, the third receiving cavity 1071 being in communication with the first receiving cavity 1011, the power pin 103 being located within the third receiving cavity 1071. A second included angle is formed between the central axis of the second lower housing 107 and the central axis of the first lower housing 101, and the second included angle is equal to the first included angle.
In the present embodiment, as will be understood with reference to fig. 4 to 6 and 8, the outer wall surface of the power pin 103 is provided with blocking portions 1031 at positions corresponding to both ends of the second elastic element 106, and the second elastic element 106 is clamped between the blocking portions 1031. That is, in the present embodiment, the second elastic element 106 is entirely sleeved on the outer wall surface of the power pin 103, and the second elastic element 106 is a spring. The blocking portion 1031 is mainly used for positioning the second elastic element 106 to limit the movement of the second elastic element 106 along 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 the other part of the second elastic element 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 further 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 fit over and removably connected to the first lower housing 101. The upper housing 108 can secure and protect the locking pin 102, the power pin 103, etc. The upper housing 108 has a fourth accommodation chamber 1081, the fourth accommodation chamber 1081 is provided with a first sensor 1082, and the actuator 1021 is provided with a second electromagnetic induction element 1026. Wherein the first sensor 1082 acts on the second electromagnetic induction element 1026 to detect that the executing portion 1021 is in the extended state. The fourth accommodating chamber 1081 is further provided with a second sensor 1083, and the second sensor 1083 acts on the second electromagnetic induction element 1026 to detect that the actuating portion 1021 is in the retracted state. Wherein the second sensor 1083 is closer to the power pin 103 than the first sensor 1082. The first sensor 1082, the second sensor 2083 and the second electromagnetic induction element 1026 can reliably detect when the lock pin 102 is in the extended state and the retracted state, which is beneficial to 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 each made of magnetic steel.
In this embodiment, the locking system includes a plurality of secondary locking mechanisms, and the plurality of secondary locking mechanisms are configured to be uniformly pressed on top of the lock link. In addition, in the present embodiment, the secondary lock mechanism employs an electromagnetic attraction power pin to achieve extension and retraction of the lock pin, and extension and retraction of the lock pin are in the same straight line direction. In other alternative embodiments, the extension and retraction of the locking pin may be achieved by other driving means (non-electromagnetic driving means), the movement path of the locking pin may be set to be curved, and other non-locking pin structures, such as a crank mechanism and a rocker mechanism, may be used to switch the secondary locking mechanism between the first position and the second position.
As for the primary lock mechanism, as will be understood with reference to fig. 1 and 2, the primary lock mechanism 20 includes three lock bases 202, and three lock tongues 2011 are connected to the lock link 201, and the three lock tongues 2011 are disposed in one-to-one correspondence with the three lock bases 202. The lock link 201 is further provided with an unlocking block 203 on one side facing the lock base 202, the unlocking block 203 is an arc-shaped protrusion formed outwards of the self-locking link 201, and the top of the unlocking block 203 is an inner arc groove recessed towards the lock link 201. In this embodiment, the second grade locking mechanism acts on the middle part of lock connecting rod and is favorable to improving the stability of lock connecting rod, is favorable to improving the reliability that the second grade locking mechanism acted on one-level locking mechanism to be favorable to improving one-level locking mechanism to the locking reliability of battery package.
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 falling phenomenon of a battery pack is reduced or avoided
In describing the present invention, an embodiment may be provided with a plurality of drawings, and reference numerals for the same components in the same embodiment are not necessarily indicated in each drawing; those skilled in the art will appreciate that while a particular drawing or drawings in an embodiment may be described, it will be understood that other drawings in the embodiment may be incorporated; it will be appreciated by those skilled in the art that the text is not specifically indicated as to which drawing figure it is, and that it can be understood in connection with all the drawings in this embodiment.
In the description of the present invention, it should 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 the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not 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 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 principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.

Claims (19)

1. A locking system for a battery pack, the locking system comprising a primary locking mechanism having a locking linkage and a lock base, the lock base having an opening for a lock shaft mounted to the battery pack to enter the cavity and a cavity extending from the opening, the locking linkage moving relative to the lock base to open or close the opening to unlock or lock the battery pack, the locking system further comprising:
the secondary locking mechanism is arranged on the 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 or disengage the lock pin;
the first electromagnetic induction element is arranged on the power pin and is 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 lock pin is in the extending state, the lock pin is positioned at a first position;
the locking pin is in the second position when the locking pin is in the retracted state.
2. The locking system of claim 1, wherein the locking linkage comprises a lock link, the secondary locking mechanism being movable relative to the lock link between the first position and the second position;
wherein when the secondary locking mechanism is in the first position, the secondary locking mechanism acts on the lock link to limit movement of the lock link relative to the lock base;
when the secondary lock mechanism is in the second position, the secondary lock mechanism disengages the lock link to permit movement of the lock link relative to the lock base.
3. The locking system of claim 2, wherein the locking linkage comprises a locking tongue connected to the lock link and rotatable relative to the lock base, the lock link operable to rotate the locking tongue under an external force to unlock or lock the battery pack.
4. The locking system of claim 3, wherein the locking system comprises a locking mechanism,
the secondary locking mechanism includes:
the first lower shell is detachably connected to one side surface, 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 the lock pin penetrates through the through hole.
5. The locking system of claim 4, wherein said secondary locking mechanism further comprises:
the first elastic element is connected to one end, far away from the cavity, of the lock pin, the first elastic element is abutted between the lock pin and the inner wall surface of the first accommodating cavity, and the first elastic element is used for applying a force to the lock pin along the extending direction of the lock pin;
wherein when the first electromagnetic induction element is attracted to the external electromagnetic device, the power pin is separated from the lock pin, and a force in the retraction direction is applied to the lock pin to bring the lock pin into the retracted state;
when the first electromagnetic induction element is separated from the external electromagnetic device, the first elastic element applies a force to the lock pin in the extending direction, and the power pin is engaged with the lock pin to bring the lock pin into the extending state.
6. The locking system of claim 5, wherein said locking pin has:
an actuator for acting on the 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 for accommodating the power pin;
the first elastic element is connected to one end of the connecting portion, which is far away from the executing portion, and is abutted between the connecting portion and the inner wall surface of the first accommodating cavity, and the first elastic element applies a force to the connecting portion along the extending direction.
7. The locking system of claim 6, wherein the power pin has a head end and a tail end along a 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, when the power pin is combined with the lock pin, the first inclined part is attached to the second inclined part;
when the power pin is separated from the lock pin, the second inclined portion moves downward with respect to the first inclined portion, and applies a force to the lock pin in the retraction direction to bring the lock pin into the retracted state.
8. The locking system of claim 7, wherein the trailing end of the power pin is sleeved with a second resilient element that applies a force to the power pin in a direction proximate the connection.
9. The locking system of claim 8, wherein the force applied to the power pin by the second resilient element is greater than the weight force of the power pin.
10. The locking system of claim 6, wherein said secondary locking mechanism further comprises an upper housing, said upper housing being press fit over and removably connected 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 actuator is in the extended state.
11. The locking system of claim 10, wherein a second sensor is further disposed within the fourth housing cavity, the second sensor acting on the second electromagnetic sensing element to detect that the implement is in the retracted state.
12. The locking system of claim 11 wherein said second electromagnetic induction element is magnetic steel.
13. The locking system of any one of claims 1-12, wherein the secondary locking mechanism is configured to be depressed in a middle portion of the lock link.
14. The locking system of any one of claims 3-12, wherein the primary locking mechanism comprises three lock bases, three lock bolts are connected to the lock connecting rod, and the three lock bolts are arranged in one-to-one correspondence with the 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 secondary locking mechanisms are used for being uniformly pressed on the top of the lock connecting rod.
15. The locking system of any one of claims 1-12, wherein the secondary locking mechanism is disposed on a side of the lock base opposite the lock axis of the battery pack.
16. The locking system of claim 13, wherein the secondary locking mechanism is disposed in the lock base on a side opposite the lock axis of the battery pack.
17. The locking system of claim 14, wherein the secondary locking mechanism is disposed in the lock base on a side opposite the lock axis of the battery pack.
18. A quick-change bracket assembly comprising a quick-change bracket and a locking system as claimed in any one of claims 1 to 17, the lock base and the secondary locking mechanism being connected to opposite sides of the same side of the quick-change bracket, respectively.
19. A quick-change bracket assembly comprising a quick-change bracket and a locking system according to any one of claims 1-17, said lock base and said secondary locking mechanism being connected to opposite sides of the same side of said quick-change bracket, respectively;
the quick-change bracket is provided with a through hole, and the lock pin is switched between the first position and the second position through the through hole.
CN202111599115.3A 2017-12-29 2017-12-29 Locking system and quick-change bracket assembly comprising same Active CN114161988B (en)

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 CN114161988A (en) 2022-03-11
CN114161988B true CN114161988B (en) 2024-02-13

Family

ID=67109863

Family Applications (2)

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)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2018393463B2 (en) 2017-12-29 2024-01-25 Aulton New Energy Automotive Technology Group 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
CN112440708B (en) * 2019-08-30 2024-06-18 奥动新能源汽车科技有限公司 Battery pack anti-drop system and battery pack bracket comprising same
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
CN111347861B (en) * 2019-09-30 2024-05-03 博众精工科技股份有限公司 Trade electric locking mechanism, add unlocking device, electric motor car
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
CN113183737B (en) * 2020-01-10 2024-07-16 奥动新能源汽车科技有限公司 Sensor, quick-change bracket assembly and electric automobile
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
CN113415143A (en) * 2020-03-17 2021-09-21 奥动新能源汽车科技有限公司 Battery pack locking mechanism, bracket assembly, battery pack, electric automobile and battery pack locking method
CN113547906B (en) * 2020-04-02 2024-06-18 奥动新能源汽车科技有限公司 Locking device, electric connection device, battery end connection device, electric automobile and battery pack assembly
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
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
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
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
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
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
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
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
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
CN114312273B (en) * 2020-09-30 2024-05-31 奥动新能源汽车科技有限公司 Locking control 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
CN113043905B (en) * 2021-05-12 2024-04-26 安徽华菱汽车有限公司 Locking mechanism of pure electric heavy-duty truck power-exchanging system
CN113043906B (en) * 2021-05-12 2024-04-26 安徽华菱汽车有限公司 Electricity changing type pure electric heavy-duty card electricity changing system structure
CN113199930B (en) * 2021-05-25 2022-07-22 东风柳州汽车有限公司 Locking mechanism and electric automobile
CN113928173B (en) * 2021-11-15 2024-06-28 北京胜能能源科技有限公司 Locking mechanism and battery module
CN115217841B (en) * 2022-07-15 2023-01-20 北京融为科技有限公司 Locking mechanism for photoelectric turntable
CN116435656B (en) * 2023-03-17 2024-05-03 梵智达科技(深圳)有限公司 Energy storage battery box with efficient heat insulation structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA265092A (en) * 1926-10-19 Fehling Johann Automobile locking device
CN202743033U (en) * 2012-09-18 2013-02-20 国家电网公司 Locking device and battery box
CN104724079A (en) * 2013-12-20 2015-06-24 国家电网公司 Battery box locking device
CN105109321A (en) * 2015-08-20 2015-12-02 北京新能源汽车股份有限公司 Locking mechanism and have its battery package quick change device and vehicle
CN106427514A (en) * 2016-11-21 2017-02-22 上海电巴新能源科技有限公司 Locking device and electric automobile

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201506239U (en) * 2009-09-15 2010-06-16 万向集团公司 Fixed battery frame
CN102390364B (en) * 2011-08-09 2014-07-02 上海电巴新能源科技有限公司 Locking device for vehicle-mounted power battery
JP6036315B2 (en) * 2013-01-11 2016-11-30 株式会社豊田自動織機 Lock structure
CN105150820B (en) * 2015-10-19 2018-05-08 北京新能源汽车股份有限公司 Battery pack quick-change control system of electric automobile
CN105437945A (en) * 2015-11-17 2016-03-30 简式国际汽车设计（北京）有限公司 Locking mechanism of rechargeable battery box for electric passenger vehicle
CN205406599U (en) * 2016-03-03 2016-07-27 上海电巴新能源科技有限公司 Big bus battery package locking mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA265092A (en) * 1926-10-19 Fehling Johann Automobile locking device
CN202743033U (en) * 2012-09-18 2013-02-20 国家电网公司 Locking device and battery box
CN104724079A (en) * 2013-12-20 2015-06-24 国家电网公司 Battery box locking device
CN105109321A (en) * 2015-08-20 2015-12-02 北京新能源汽车股份有限公司 Locking mechanism and have its battery package quick change device and vehicle
CN106427514A (en) * 2016-11-21 2017-02-22 上海电巴新能源科技有限公司 Locking device and electric automobile

Also Published As

Publication number Publication date
CN109986940A (en) 2019-07-09
EA202091609A1 (en) 2020-11-30
CN109986940B (en) 2021-11-12
CN114161988A (en) 2022-03-11
EA202192218A1 (en) 2022-01-31

Similar Documents

Publication Publication Date Title
CN114161988B (en) Locking system and quick-change bracket assembly comprising same
JP7143991B2 (en) Battery holders, battery exchange devices, electric vehicles, installation methods for electric vehicles
CN109987067B (en) Battery replacement device and installation method thereof
US20220275665A1 (en) Lock mechanism, lock system, quick exchange bracket assembly and electronic vehicle
CN113511059B (en) Locking subassembly, locking mechanism, quick change bracket component and electric automobile
CN213705142U (en) Locking mechanism
CN115122372A (en) Mechanical arm quick-change device, mounting method and robot
CN213705137U (en) Locking mechanism
CN217124596U (en) Locking mechanism, locking mechanism assembly and heavy truck
EA045184B1 (en) LOCKING MECHANISM, LOCKING SYSTEM, QUICK BRACKET ASSEMBLY AND POWER VEHICLE
CN220009433U (en) Battery mounting structure's dismouting equipment
EA044844B1 (en) LOCKING MECHANISM, LOCKING SYSTEM, QUICK BRACKET ASSEMBLY AND POWER VEHICLE
CN209874413U (en) Brick suction mechanism of brick paving machine and brick paving machine
CN117227441A (en) Battery mounting structure dismounting device and battery replacing method
CN117780215A (en) Door opening and closing device and electrical equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant