CN113119706A - Quick-change support and electric automobile comprising same - Google Patents

Quick-change support and electric automobile comprising same Download PDF

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Publication number
CN113119706A
CN113119706A CN201911415760.8A CN201911415760A CN113119706A CN 113119706 A CN113119706 A CN 113119706A CN 201911415760 A CN201911415760 A CN 201911415760A CN 113119706 A CN113119706 A CN 113119706A
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CN
China
Prior art keywords
mounting plate
plate
quick
chassis
mounting
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Granted
Application number
CN201911415760.8A
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Chinese (zh)
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CN113119706B (en
Inventor
张建平
黄春华
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Aodong New Energy Co.,Ltd.
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Aulton New Energy Automotive Technology Co Ltd
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Priority to CN201911415760.8A priority Critical patent/CN113119706B/en
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    • 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
    • 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
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06—Supplying batteries to, or removing batteries from, vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention discloses a quick-change support and an electric automobile comprising the same. The quick-change support is provided with a vehicle body mounting plate and a battery pack fixing plate. The automobile body mounting panel includes first mounting panel and first connecting plate, and first mounting panel is used for connecting the chassis, and the battery package fixed plate includes second mounting panel and second connecting plate, and the second mounting panel is used for connecting and installs the battery package, and the one end of second connecting plate is connected with the top of second mounting panel, and first connecting plate is connected between the other end of second connecting plate and first mounting panel, and the vertical distance of the bottom of first mounting panel and second mounting panel is less than the vertical height of second mounting panel. In this quick change support, first mounting panel is located the middle part of second mounting panel for when first mounting panel is connected in the chassis, can reduce the distance between chassis and the locking mechanism, be favorable to improving rigidity, and then be favorable to improving the fixed effect of battery package. The electric automobile is high in reliability and can reliably realize battery replacement.

Description

Quick-change support and electric automobile comprising same
Technical Field
The invention relates to the field of electric automobiles, in particular to a quick-change bracket and an electric automobile comprising the same.
Background
The electric automobile replaces oil with electricity, can realize zero emission and low noise, and is an important means for solving the problems of energy and environment. With the shortage of petroleum resources and the development of battery technology, the performance and the economical efficiency of electric vehicles are close to or even better than those of traditional fuel vehicles, and the electric vehicles are gradually popularized and applied worldwide. A new generation of energy-saving and environment-friendly automobiles represented by electric automobiles is a necessary trend in the development of the automobile industry. As an important premise and foundation for large-scale popularization and application of electric automobiles, development of electric automobile battery charging and replacing technology and construction of electric automobile battery charging and replacing facilities attract extensive attention of all parties.
For the electric automobile of the power exchange type, the battery needs to be replaced regularly or irregularly, the quick-change bracket is an important component of the electric automobile, the battery pack is fixed on the quick-change bracket, and the quick-change bracket is connected to a chassis of the electric automobile. The quick-change holder usually comprises a back rest and a holder body, which has an opening, at which the back rest is connected, so that the quick-change holder forms a closed, integral structure. The support body is including relative left beam, right beam and the front beam that sets up, and the front beam is connected between left beam and right beam, and the structure of left beam and right beam is the same, is provided with on the inside wall of left beam and right beam to be used for carrying out locking and locking mechanism etc. of unblock to the battery package. In the existing L-shaped structure, the distance between the chassis and the lock base is large, a cantilever is formed, the rigidity is poor, and the fixing effect on the battery pack is poor.
Taking the left beam as an example, the left beam is provided with a vehicle body mounting plate and a battery pack fixing plate, wherein the battery pack fixing plate is used for mounting a locking mechanism and the like so as to mount and fix a battery pack. The body fixing plate is used for being connected to a chassis (in particular to a crossbeam on the chassis). In the prior art, the cross-sectional shapes of the left beam and the right beam are generally set to be L-shaped, that is, in the cross-sectional direction, the vehicle body mounting plate and the battery pack fixing plate enclose an L-shaped structure. Wherein, the automobile body mounting panel is connected in the bottom of battery package fixed plate. So set up for the distance on the direction of height of battery package (corresponding to electric automobile's direction of height) is great with the chassis in the central point of the fixed knot of battery package (like locking structure), forms a cantilever between the two approximately, and rigidity is relatively poor, thereby influences the fixed effect to the battery package easily, makes the fixed effect of battery package relatively poor.
From the above, the quick-change bracket in the prior art has the defect of poor fixing effect on the battery pack.
Disclosure of Invention
The invention aims to overcome the defect that a quick-change bracket in the prior art has a poor fixing effect on a battery pack, and provides the quick-change bracket and an electric automobile comprising the same.
The invention solves the technical problems through the following technical scheme:
a quick-change bracket is used for connecting and installing a battery pack on a chassis of an electric automobile and is provided with a vehicle body installation plate and a battery pack fixing plate, the battery pack fixing plate is used for installing and fixing a battery pack, the vehicle body installing plate is used for connecting the chassis, it is characterized in that the vehicle body mounting plate comprises a first mounting plate and a first connecting plate, the first mounting plate is used for connecting and mounting on the chassis, the battery pack fixing plate comprises a second mounting plate and a second connecting plate, the second mounting plate is used for connecting and mounting a battery pack, one end of the second connecting plate is connected with the top end of the second mounting plate, the first connecting plate is connected between the other end of the second connecting plate and the first mounting plate, the vertical distance between the first mounting plate and the bottom end of the second mounting plate is smaller than the vertical height of the second mounting plate.
In this scheme, this quick change support's cross sectional shape is similar for the T type, adopts above-mentioned structure setting, is equivalent to that first mounting panel is located the middle part of second mounting panel (not being equivalent to the central part) to when making first mounting panel connect in the chassis, can reduce the distance between chassis and the locking mechanism, be favorable to improving rigidity, and then be favorable to improving the fixed effect of battery package.
Preferably, a first included angle is formed between the first mounting plate and the first connecting plate, a second included angle is formed between the second mounting plate and the second connecting plate, and a third included angle is formed between the first connecting plate and the second connecting plate; the second included angle is 90 degrees, and the first included angle and the third included angle are both greater than or equal to 90 degrees and smaller than 180 degrees.
In this scheme, adopt above-mentioned structure setting, be convenient for realize second connecting plate, first mounting panel etc. and external element's being connected to be convenient for realize being connected of quick change support and external element.
Preferably, the angle ranges of the first included angle and the third included angle are both 90 degrees to 120 degrees.
In this scheme, adopt above-mentioned structure setting, both be favorable to guaranteeing the overall stability of quick change support, be favorable to realizing being connected of quick change support and external element again.
Preferably, the second connecting plate is parallel to the first mounting plate, so that the first included angle is equal to the third included angle.
Preferably, a locking mechanism is installed in the second mounting plate and used for facing one side of the battery pack, and the locking mechanism is used for fixing the battery pack.
Preferably, the range of the vertical distance between the central position of the locking mechanism and the first mounting plate is 0-5 mm.
In this scheme, adopt above-mentioned structural setting for when first mounting panel is connected in the chassis, chassis and locking mechanism's central point puts the distance minimum, wherein, when vertical distance is 0, chassis and locking mechanism's central point put can be located same horizontal plane, and the vertical distance minimizing between chassis and locking mechanism's the central point puts, thereby can further improve rigidity, and then further improve the fixed effect of battery package.
Preferably, the second mounting plate is further provided with at least one in-place sensor, and the in-place sensor is used for detecting whether the battery pack moves in place relative to the quick-change bracket; an accommodating space is defined among the second mounting plate, the second connecting plate, the first connecting plate and the first mounting plate;
the second mounting plate is further provided with a sensor fixing structure used for fixing the in-place sensor, and the sensor fixing structure is located in the accommodating space.
In this scheme, sensor fixed knot constructs and all is located above-mentioned accommodation space with the sensor that targets in place, and the accommodation space can play the guard action to sensor fixed knot structure and the sensor that targets in place, is favorable to guaranteeing the normal use of the sensor that targets in place.
Preferably, the sensor fixing structure includes a mounting nut installed at a position corresponding to the locking mechanism in the second mounting plate.
In this scheme, just can install the sensor that targets in place comparatively reliably on the second mounting panel through a fastener and mounting nut cooperation, the structure is comparatively simple, and the space that occupies is less on the second mounting panel, and then is favorable to simplifying the structure of quick change support to and be favorable to realizing the lightweight of quick change support.
Preferably, a first boss is arranged on the first mounting plate at a position corresponding to a position on the second mounting plate where the locking mechanism is mounted;
wherein, for the first boss, in the height direction, the first boss extends from the first mounting plate along the height direction of the second mounting plate; in the longitudinal direction, the first protrusion extends from the first mounting plate toward the direction close to the second mounting plate.
In this scheme, first bellying is located that one side of being connected with the chassis on the first mounting panel, and first bellying can play the bed hedgehopping effect, conveniently realizes the installation of locking mechanism and second mounting panel, is favorable to improving the packaging efficiency of quick change support.
Preferably, the top surface of the first protruding portion is an arc surface.
In this scheme, the space that the cambered surface occupy is less, and smooth no edges and corners, can reduce or even avoid causing the damage to external element to, adopt above-mentioned structure setting, can conveniently realize the installation of locking mechanism and second mounting panel on the reduction causes the damage basis to external element.
Preferably, a concave part is arranged on the first mounting plate at a position corresponding to the position of the second mounting plate for mounting the locking mechanism;
wherein, in the width direction of the first mounting plate, the depressed part extends from a side of the first mounting plate close to the second mounting plate to a side far away from the second mounting plate.
In this scheme, the depressed part is located the back that is used for the side of being connected with the chassis on the first mounting panel, that is to say, after first mounting panel connects in the chassis, depressed part and chassis are located the both sides of first mounting panel. The setting of depressed part makes that one side that is used for being connected with the chassis in the first mounting panel be formed with the bellying, and this bellying can play the bed hedgehopping effect, conveniently realizes the installation of locking mechanism and second mounting panel, is favorable to improving the packaging efficiency of quick change support.
Preferably, a plurality of second protruding portions are arranged on the first mounting plate at intervals along the length direction, and the second protruding portions extend from the first mounting plate along the height direction of the second mounting plate;
the top surface of the second boss is a plane, the first mounting plate is connected with the chassis through the second bosses, and the top surface of the second boss is attached to the chassis.
In this scheme, being provided with of second bellying does benefit to the reliable laminating that realizes first mounting panel and chassis, and then is favorable to realizing that first mounting panel and chassis are connected the reliability.
Preferably, the top of each second protruding part is provided with a mounting hole, and the second protruding part is detachably connected with the chassis through the mounting hole.
The electric automobile comprises a chassis and is characterized by further comprising the quick-change support, and the first mounting plate is connected to the chassis.
In this scheme, because above-mentioned quick change support can fix the battery package comparatively reliably to, the electric automobile who contains above-mentioned quick change support's reliability is higher, and can realize trading the electricity comparatively reliably.
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:
in this quick change support, first mounting panel is located the middle part of second mounting panel to when making first mounting panel connect in the chassis, can reduce the distance between chassis and the locking mechanism, be favorable to improving rigidity, and then be favorable to improving the fixed effect of battery package. Correspondingly, the electric automobile comprising the quick-change bracket has high reliability, and can reliably realize battery replacement.
Drawings
Fig. 1 is a schematic overall structure diagram of a quick-change holder according to a preferred embodiment of the invention.
Fig. 2 is a partial structural view of a quick-change holder according to a preferred embodiment of the invention, which mainly shows the cross-sectional shape of the quick-change holder.
Fig. 3 is another partial schematic view of the quick-change holder according to a preferred embodiment of the invention, showing a recess in the first mounting plate.
Fig. 4 is a further partial structural view of a quick-change holder according to a preferred embodiment of the invention, showing a first projection and a second projection on a first mounting plate.
Fig. 5 is a schematic view of a portion of a quick-change holder according to a preferred embodiment of the invention, showing a locking mechanism mounted to a second mounting plate.
Description of reference numerals:
10 vehicle body mounting plate
101 first mounting plate
102 first connecting plate
103 first raised portion
104 second raised portion
1041 mounting hole
105 concave part
20 battery pack fixing plate
201 second mounting plate
202 second connecting plate
30 crossbeam
40 rear beam
50 locking mechanism
Detailed Description
The present invention is further illustrated by way of example and not by way of limitation in the scope of the following examples in connection with the accompanying drawings.
The embodiment discloses a quick-change bracket for connecting and mounting a battery pack on a chassis of an electric vehicle, and as shown in fig. 1 to 5, the quick-change bracket is provided with a vehicle body mounting plate 10 and a battery pack fixing plate 20, the battery pack fixing plate 20 is used for mounting and fixing the battery pack, and the vehicle body mounting plate 10 is used for connecting the chassis. The vehicle body mounting plate 10 comprises a first mounting plate 101 and a first connecting plate 102, the first mounting plate 101 is used for being connected and mounted on a chassis, the battery pack fixing plate 20 comprises a second mounting plate 201 and a second connecting plate 202, the second mounting plate 201 is used for being connected and mounting a battery pack, one end of the second connecting plate 202 is connected with the top end of the second mounting plate 201, the first connecting plate 102 is connected between the other end of the second connecting plate 202 and the first mounting plate 101, and the vertical distance between the bottom ends of the first mounting plate 101 and the second mounting plate 201 is smaller than the vertical height of the second mounting plate 201.
In this embodiment, the cross-sectional shape of the quick-change bracket is similar to a T-shape, and the above-mentioned structural arrangement is adopted, which is equivalent to that the first mounting plate 101 is located in the middle (not equivalent to the central portion) of the second mounting plate 201, so that when the first mounting plate 101 is connected to the chassis, the distance between the chassis and the locking mechanism 50 can be reduced, which is beneficial to improving the rigidity, and is further beneficial to improving the fixing effect of the battery pack.
As shown in fig. 1, the quick-change bracket includes a cross beam 30, two longitudinal beams disposed opposite to each other, and a back beam 40, the cross beam 30 is connected between the two longitudinal beams and encloses a frame structure with an opening, and the back beam 40 is connected at a position corresponding to the opening and located above the longitudinal beams. In the present embodiment, the cross-sectional shape of the side member is the above-described T-like shape, and the side member includes the above-described vehicle body mounting plate 10 and the battery pack fixing plate 20. It should be noted that fig. 1 schematically illustrates only one type of rear beam 40.
As will be understood with reference to fig. 2-5, a first angle is formed between the first mounting plate 101 and the first connecting plate 102, a second angle is formed between the second mounting plate 201 and the second connecting plate 202, and a third angle is formed between the first connecting plate 102 and the second connecting plate 202; the second included angle is 90 degrees, and the first included angle and the third included angle are both larger than or equal to 90 degrees and smaller than 180 degrees. So set up, be convenient for realize the connection of second connecting plate 202, first mounting panel 101 etc. and external component to be convenient for realize the connection of quick change support and external component.
It should be noted that the preferred angle ranges of the first angle and the third angle are both 90 degrees to 120 degrees. So set up, both be favorable to guaranteeing the overall stability of quick change support, be favorable to again realizing being connected of quick change support and external element.
Specifically, in the present embodiment, as shown in fig. 2 and 5, the second connecting plate 202 is parallel to the first mounting plate 101 so that the first angle is equal to the third angle. And the first included angle and the third included angle are both 120 degrees.
As shown in fig. 1 and 5, a locking mechanism 50 is mounted on the second mounting plate 201 on a side facing the battery pack, and the locking mechanism 50 is used for fixing the battery pack.
The vertical distance between the center position of the lock mechanism 50 and the first mounting plate 101 is 0. So set up, when first mounting panel 101 is connected in the chassis, the central point that chassis and locking mechanical system 50 put can be located same horizontal plane, and the vertical distance minimizing between the central point that chassis and locking mechanical system 50 put to can further improve rigidity, and then further improve the fixed effect of battery package.
It should be noted that, in other alternative embodiments, the vertical distance between the central position of the locking mechanism 50 and the first mounting plate 101 may be set to any other value from 0 to 5mm according to actual design requirements. With vertical distance setting in above-mentioned within range, the distance between chassis and the central point of locking mechanical system 50 puts is also minimum, compares in prior art, also can improve rigidity, and then can improve the fixed effect of battery package.
It should be noted that the locking mechanism 50 shown in fig. 1 and 5 is only one of the locking mechanisms schematically shown. In fact, the locking mechanism includes a first locking mechanism and a second locking mechanism, wherein the first locking mechanism is a primary locking mechanism for locking and fixing the battery, and the primary locking mechanism can be referred to as "locking device" disclosed in chinese patent application with publication number CN 106427514A; the second locking mechanism is a second-stage locking mechanism, can provide a locking protection function for the battery pack, and can be used for preventing the battery pack from falling when the first locking mechanism is locked to fail, so that the safety performance is improved. Among them, the lock mechanism 50 shown in fig. 1 and 5 is a corresponding two-stage lock mechanism.
In this embodiment, at least one in-position sensor is further disposed on the second mounting plate 201, and the in-position sensor is used for detecting whether the battery pack is moved in position relative to the quick-change bracket. Specifically, the in-place sensor may include an up-to-place sensor for detecting whether the battery pack is moved in place in the height direction of the battery pack with respect to the quick-change bracket, and a front-to-place sensor (not shown in the drawings) for detecting whether the battery pack is moved in place in the length direction of the battery pack with respect to the quick-change bracket; an accommodating space is defined among the second mounting plate 201, the second connecting plate 202, the first connecting plate 102 and the first mounting plate 101. The second mounting plate 201 is further provided with a sensor fixing structure for fixing the sensor in place, and the sensor fixing structure is located in the accommodating space.
The sensor fixing structure and the in-place sensor are located in the accommodating space, the accommodating space can protect the sensor fixing structure and the in-place sensor, and normal use of the in-place sensor is guaranteed.
Specifically, the sensor fixing structure includes a mounting nut (not shown) installed at a position corresponding to the locking mechanism 50 in the second mounting plate 201.
Wherein, just can install the sensor that targets in place comparatively reliably on second mounting panel 201 through a fastener and mounting nut cooperation, the structure is comparatively simple, and the space that occupies is less on second mounting panel 201, and then is favorable to simplifying the structure of quick change support to and be favorable to realizing the lightweight of quick change support.
As shown in fig. 2 and 4, the first mounting plate 101 is provided with a first projection 103 at a position corresponding to a position at which the locking mechanism 50 is mounted on the second mounting plate 201. Wherein, for the first convex portion 103, in the height direction, the first convex portion 103 extends from the first mount board 101 along the height direction of the second mount board 201; in the longitudinal direction, the first protrusion 103 extends from the first mounting board 101 toward the direction approaching the second mounting board 201.
Wherein, first bellying 103 is located the one side of being connected with the chassis on first mounting panel 101, and first bellying 103 can play bed hedgehopping and dodge the effect, conveniently realizes locking mechanism 50 and second mounting panel 201's installation, is favorable to improving the packaging efficiency of quick change support.
It should be noted that, in other alternative embodiments, the first protruding portion 103 is not limited to be disposed at a position corresponding to the locking mechanism, and actually, the first protruding portion 103 may be disposed at a position corresponding to other structures mounted on the second mounting plate 201 according to actual needs, for example, the first protruding portion 103 may also be disposed at a position corresponding to a positioning mechanism (the positioning mechanism is used for positioning the battery pack, and the positioning mechanism may be disposed as a positioning seat, and the positioning seat is provided with an opening and a cavity extending from the opening, and the opening is used for allowing a lock shaft mounted on the battery pack to enter the cavity).
Specifically, in the present embodiment (see fig. 4), the top surface of the first projecting portion 103 is an arc surface. Wherein, the space that the cambered surface occupy is less, and smooth no edges and corners, can reduce or even avoid causing the damage to external element to, adopt above-mentioned structure setting, can conveniently realize the installation of locking mechanism 50 and second mounting panel 201 on the reduction causes the damage basis to external element.
As shown in fig. 3, the first mounting plate 101 is provided with a recess 105 at a position corresponding to a position where the second mounting plate 201 mounts the locking mechanism 50. In the width direction of the first mounting board 101, the concave portion 105 extends from a side of the first mounting board 101 close to the second mounting board 201 to a side far from the second mounting board 201.
It should be noted that the concave portion 105 is located on the back of the side of the first mounting board 101 for connecting with the chassis, that is, when the first mounting board 101 is connected with the chassis, the concave portion 105 and the chassis are located on both sides of the first mounting board 101. The setting of depressed part 105 makes that one side that is used for being connected with the chassis in the first mounting panel 101 be formed with the bellying, and this bellying can play the bed hedgehopping effect, conveniently realizes the installation of locking mechanism 50 and second mounting panel 201, is favorable to improving the packaging efficiency of quick change support.
In fact, the recess 105 and the first protrusion 103 function substantially the same, wherein the first protrusion 103 protrudes directly from the side of the first mounting board 101 that is connected to the chassis, and the recess 105 is formed by recessing the side of the first mounting board 101 that faces away from the chassis, so that the side of the first mounting board 101 that is connected to the chassis forms the protrusion.
As shown in fig. 1-2 and 4-5, a plurality of second protrusions 104 are provided at intervals along the length direction on the first mounting plate 101, and the plurality of second protrusions 104 extend from the first mounting plate 101 along the height direction of the second mounting plate 201. The top surfaces of the second protruding portions 104 are all flat surfaces, the first mounting plate 101 is connected to the chassis through the second protruding portions 104, and the top surfaces of the second protruding portions 104 are attached to the chassis.
In this embodiment, the arrangement of the second protruding portion 104 is beneficial to realizing reliable attachment of the first mounting plate 101 to the chassis, and is further beneficial to realizing the connection reliability of the first mounting plate 101 to the chassis.
As shown in fig. 1-2 and 4, a mounting hole 1041 is formed at the top of each second protrusion 104, and the second protrusion 104 is detachably connected to the chassis through the mounting hole 1041.
The embodiment also discloses an electric automobile which comprises a chassis and the quick-change bracket, wherein the first mounting plate 101 is connected to the chassis.
In this embodiment, the first mounting plate 101 is located in the middle of the second mounting plate 201, so that when the first mounting plate 101 is connected to the chassis, the distance between the chassis and the locking mechanism 50 can be reduced, which is beneficial to improving the rigidity, and is further beneficial to improving the fixing effect of the battery pack. Correspondingly, the electric automobile comprising the quick-change bracket has high reliability, and can reliably realize battery replacement.
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 (14)

1.一种快换支架，用于将电池包连接并安装在电动汽车的底盘，所述快换支架具有车身安装板和电池包固定板，所述电池包固定板用于安装固定电池包，所述车身安装板用于连接所述底盘，其特征在于，所述车身安装板包括第一安装板和第一连接板，所述第一安装板用于连接并安装于所述底盘，所述电池包固定板包括第二安装板和第二连接板，所述第二安装板用于连接并安装电池包，所述第二连接板的一端与所述第二安装板的顶端连接，所述第一连接板连接于所述第二连接板的另一端与所述第一安装板之间，所述第一安装板与所述第二安装板的底端的竖直距离小于所述第二安装板的竖直高度。1. A quick-change bracket for connecting and installing a battery pack on a chassis of an electric vehicle, the quick-change bracket has a body mounting plate and a battery pack fixing plate, and the battery pack fixing plate is used to install and fix the battery pack, The vehicle body mounting plate is used for connecting the chassis, characterized in that the vehicle body mounting plate includes a first mounting plate and a first connecting plate, the first mounting plate is used for connecting and being mounted on the chassis, the The battery pack fixing plate includes a second mounting plate and a second connecting plate, the second mounting plate is used to connect and install the battery pack, one end of the second connecting plate is connected with the top end of the second mounting plate, the The first connection plate is connected between the other end of the second connection plate and the first installation plate, and the vertical distance between the first installation plate and the bottom end of the second installation plate is smaller than that of the second installation plate The vertical height of the board. 2.如权利要求1所述的快换支架，其特征在于，所述第一安装板和所述第一连接板之间形成有第一夹角，所述第二安装板和第二连接板之间形成有第二夹角，所述第一连接板与第二连接板之间形成有第三夹角；其中，所述第二夹角为90度，所述第一夹角和所述第三夹角均大于等于90度且小于180度。2. The quick-change bracket according to claim 1, wherein a first included angle is formed between the first mounting plate and the first connecting plate, and the second mounting plate and the second connecting plate A second included angle is formed therebetween, and a third included angle is formed between the first connecting plate and the second connecting plate; wherein, the second included angle is 90 degrees, and the first included angle and the The third included angles are all greater than or equal to 90 degrees and less than 180 degrees. 3.如权利要求2所述的快换支架，其特征在于，所述第一夹角和所述第三夹角的角度范围均为90度～120度。3 . The quick-change bracket according to claim 2 , wherein the angle ranges of the first included angle and the third included angle are both 90 degrees to 120 degrees. 4 . 4.如权利要求2所述的快换支架，其特征在于，所述第二连接板平行于所述第一安装板，以使所述第一夹角等于所述第三夹角。4 . The quick-change bracket of claim 2 , wherein the second connecting plate is parallel to the first mounting plate, so that the first included angle is equal to the third included angle. 5 . 5.如权利要求1所述的快换支架，其特征在于，所述第二安装板中用于朝向所述电池包的一侧安装有锁止机构，所述锁止机构用于固定所述电池包。5 . The quick-change bracket according to claim 1 , wherein a locking mechanism is installed on the side of the second mounting plate facing the battery pack, and the locking mechanism is used for fixing the battery pack. 6 . battery pack. 6.如权利要求5所述的快换支架，其特征在于，所述锁止机构的中心位置与所述第一安装板之间的竖直距离的范围为0～5mm。6 . The quick-change bracket according to claim 5 , wherein the vertical distance between the central position of the locking mechanism and the first mounting plate ranges from 0 to 5 mm. 7 . 7.如权利要求5所述的快换支架，其特征在于，所述第二安装板上还设有至少一个到位传感器，所述到位传感器用于检测所述电池包相对于所述快换支架是否移动到位；所述第二安装板、所述第二连接板、所述第一连接板和所述第一安装板之间围成一容置空间；7 . The quick-change bracket according to claim 5 , wherein at least one position sensor is further provided on the second mounting plate, and the position sensor is used to detect the relative position of the battery pack to the quick-change bracket. 8 . Whether it is moved in place; an accommodating space is enclosed between the second mounting plate, the second connecting plate, the first connecting plate and the first mounting plate; 所述第二安装板上还设有用于固定所述到位传感器的传感器固定结构，所述传感器固定结构位于所述容置空间内。The second mounting plate is further provided with a sensor fixing structure for fixing the position sensor, and the sensor fixing structure is located in the accommodating space. 8.如权利要求7所述的快换支架，其特征在于，所述传感器固定结构包括安装螺母，所述安装螺母装设于所述第二安装板中与所述锁止机构相对应的位置处。8 . The quick-change bracket of claim 7 , wherein the sensor fixing structure comprises a mounting nut, and the mounting nut is mounted on the second mounting plate at a position corresponding to the locking mechanism. 9 . place. 9.如权利要求5所述的快换支架，其特征在于，所述第一安装板上用于与所述第二安装板上安装所述锁止机构的位置相对应的位置处设有第一凸起部；9 . The quick-change bracket according to claim 5 , wherein the first mounting plate is provided with a first mounting plate at a position corresponding to the position where the locking mechanism is mounted on the second mounting plate. 10 . a raised portion; 其中，对于所述第一凸起部，在高度方向上，所述第一凸起部自所述第一安装板沿着所述第二安装板的高度方向延伸；在长度方向上，所述第一凸起部自所述第一安装板朝着靠近所述第二安装板的方向延伸。Wherein, for the first protruding portion, in the height direction, the first protruding portion extends from the first mounting plate along the height direction of the second mounting plate; in the longitudinal direction, the The first protrusion extends from the first mounting plate toward the direction close to the second mounting plate. 10.如权利要求9所述的快换支架，其特征在于，所述第一凸起部的顶面为弧面。10 . The quick-change bracket according to claim 9 , wherein the top surface of the first protruding portion is an arc surface. 11 . 11.如权利要求5所述的快换支架，其特征在于，所述第一安装板上用于与所述第二安装板安装所述锁止机构的位置相对应的位置处设有凹陷部；11 . The quick-change bracket according to claim 5 , wherein the first mounting plate is provided with a recess at a position corresponding to the position where the second mounting plate is used to mount the locking mechanism. 12 . ; 其中，在所述第一安装板的宽度方向上，所述凹陷部自所述第一安装板靠近所述第二安装板的一侧延伸至远离所述第二安装板的一侧。Wherein, in the width direction of the first mounting plate, the concave portion extends from a side of the first mounting plate close to the second mounting plate to a side away from the second mounting plate. 12.如权利要求1所述的快换支架，其特征在于，所述第一安装板上沿着长度方向间隔设置有多个第二凸起部，多个所述第二凸起部自所述第一安装板沿着所述第二安装板的高度方向延伸；12 . The quick-change bracket according to claim 1 , wherein a plurality of second protrusions are provided at intervals along the length direction of the first mounting plate, and the plurality of second protrusions are formed from the respective positions. 13 . the first mounting plate extends along the height direction of the second mounting plate; 其中，多个所述第二凸起部的顶面均为平面，所述第一安装板通过多个所述第二凸起部用于与所述底盘连接，且多个所述第二凸起部的顶面用于贴合于所述底盘。Wherein, the top surfaces of the plurality of second protrusions are all flat, the first mounting plate is used to connect with the chassis through the plurality of second protrusions, and the plurality of second protrusions The top surface of the raised portion is used to fit the chassis. 13.如权利要求12所述的快换支架，其特征在于，每一所述第二凸起部的顶部设置有安装孔，所述第二凸起部通过所述安装孔用于与所述底盘可拆卸连接。13 . The quick-change bracket according to claim 12 , wherein a mounting hole is provided at the top of each second protruding portion, and the second protruding portion is used for connecting with the mounting hole through the mounting hole. 14 . The chassis is detachably attached. 14.一种电动汽车，包括底盘，其特征在于，所述电动汽车还包括如权利要求1-13中任意一项所述的快换支架，所述第一安装板连接于所述底盘。14. An electric vehicle, comprising a chassis, characterized in that, the electric vehicle further comprises the quick-change bracket according to any one of claims 1-13, and the first mounting plate is connected to the chassis.
CN201911415760.8A 2019-12-31 2019-12-31 Quick-change bracket and electric vehicle including the same Active CN113119706B (en)

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