Battery pack release structure, charger, portable power source and outdoor operation vehicleTechnical Field
The application relates to the field of outdoor garden operation equipment, in particular to a battery pack releasing structure of the outdoor garden operation equipment.
Background
With the development of battery technology, the battery package is used on garden instrument gradually, and current battery package that uses with outdoor garden instrument cooperation generally sets up locking structure on the battery package, and when battery package and outdoor garden instrument cooperation, the locking structure of battery package is pressed with taking off the battery package or fix battery package and garden instrument together to the user's single hand. However, with the advent of some large-sized electric gardening tools and the requirement for cruising in certain scenes, the larger the battery pack is, the more the weight is than that of a common small-sized battery pack, and the user cannot control the unlocking and taking out of the battery pack by one hand, so that the original battery pack locking and releasing structure is not suitable for the large-sized battery pack.
Disclosure of Invention
The application aims to provide a battery pack with large capacity and a release structure suitable for the battery pack.
In order to achieve the above object, the present application adopts the following technical scheme:
A battery pack release structure includes a battery pack and a battery compartment housing the battery pack, the battery compartment having a cavity space and at least a portion of the battery pack being disposed within the battery compartment. The battery pack is provided with a handle, the side wall of the battery compartment is provided with a locking device, a user controls unlocking of the locking device on the battery compartment through the handle on the battery pack, so that the user can control taking out and placing of the battery pack by one hand, the battery pack can automatically fall down to be locked when being put in, and the battery pack can be automatically unlocked when being taken out. Specific:
The battery pack comprises a battery cell module with a plurality of battery cells, a battery pack shell for accommodating the battery cell module and an operating piece movably arranged on the shell, wherein the operating piece is preferably a handle, a locking device is arranged on the side wall of the battery compartment, the shell of the battery pack is provided with a structure matched with the locking device, when the battery pack is put into the battery compartment, the locking device can automatically lock the battery pack, and when a user takes out the battery pack through the handle, the locking device and the battery pack are automatically unlocked.
In one embodiment, the handle of the battery pack is rotatably connected with the battery pack housing through a rotating shaft, the rotating shaft comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are all rotated around a first axis, the handle is rotatably connected with the battery pack housing through the first rotating shaft, the handle is provided with a storage position when lying down and an extraction position when vertical, the handle rotates between the storage position and the extraction position relative to the battery pack, when the battery pack is placed in the battery compartment and the handle of the battery pack rotates to the extraction position, the locking device on the battery compartment is unlocked, and when the battery pack is placed in the battery compartment and the handle of the battery pack is located in the storage position, the locking device on the battery compartment is in locking connection with the battery pack.
In another embodiment, the handle of the battery pack is slidably engaged with the battery pack housing for movement between a storage position and an extraction position, a chute is provided in the battery pack housing along which at least a portion of the handle is movable up and down, and the handle acts upon the locking device to unlock the battery pack when the battery pack is placed in the battery compartment and the handle is moved from the storage position to the extraction position.
Further, in the embodiment that the handle rotates around the battery pack shell, the end part of the handle can directly act on the locking device to unlock the locking device and the battery pack, and the handle can also rotate to drive the unlocking sliding block to move so as to act on the locking device, wherein the end part of the handle comprises a first end part and a second end part, when the handle is in the storage position, the second end part is far away from the locking device, and in the process that the handle rotates or moves from the storage position to the extraction position, the second end part is gradually close to the locking device, the first end part is gradually far away from the locking device, and finally the unlocking device is unlocked through the second end part acting on the locking device or the unlocking sliding block.
Specifically, the second end and the first end are positioned on the outer surface of the handle end, the distance X between the second end and the first axis is greater than the distance Y between the first end and the first axis, and the difference between X and Y is greater than or equal to 8mm.
The locking device on the battery compartment comprises a movable clamping piece, a first elastic piece acting on the clamping piece and a mounting bracket for mounting the clamping piece and the first elastic piece, wherein the inner wall of the battery compartment is provided with a locking opening, the clamping piece can move left and right under the action of a handle or an unlocking sliding block, so that the clamping piece is in an extending state of extending out of the inner wall of the battery compartment and a containing state of retracting into the locking opening, the clamping piece is in clamping locking fit with a battery pack in the extending state, the clamping piece is in locking fit with the battery pack in the containing state, the first elastic piece is abutted with the clamping piece, the clamping piece has a trend of moving in a direction close to a cavity of the battery compartment, the shell surface of the battery pack is provided with a convex and/or concave locking surface, the clamping piece of the locking assembly is matched with the locking surface of the shell surface of the battery pack, when the handle is rotated in a preset direction, the handle and/or the unlocking sliding block drive the clamping piece to realize the expansion, the mounting bracket is fixed on the side wall of the battery compartment, the clamping piece comprises a locking groove, the clamping piece is movably mounted in the locking groove, the clamping piece is in the containing state, the clamping piece is in the clamping groove, and the clamping piece is in the side wall, and the clamping piece is in the side groove and the side wall is in the side groove and can be in the side groove, and can be in the clamping groove, and the side groove is in the clamping piece and the side groove is in the side groove, and can and the side groove is in the side groove.
Further, in the embodiment in which the movement of the unlocking slide is driven by the rotation of the handle to act on the locking device, the extending direction of the slide rail accommodating the movement of the unlocking slide forms an included angle with the extending direction of the first axis of rotation of the handle, preferably, the included angle is 90 °, that is, the extending direction of the slide rail is substantially perpendicular to the extending direction of the first axis, and the rotation of the handle around the first axis drives the unlocking slide to move up and down.
Further, the second elastic piece is arranged to be abutted against the unlocking sliding block, so that the unlocking sliding block has a trend of moving in the direction close to the end part of the handle, and the second elastic piece is arranged between the battery shell body and the unlocking sliding block, so that the unlocking sliding block can be reset when the locking component is not required to be unlocked.
Furthermore, a limit part is further arranged at the matching part of the unlocking slide block and the slide rail, the limit part is positioned on the unlocking slide block and/or the slide rail to limit the slide block to be separated from the slide rail, a clamping hook or a bulge is arranged on the unlocking slide block, a stop structure matched with the clamping hook or the bulge is arranged at the position, close to the slide rail, of the battery shell body, and the stop structure limits the unlocking slide block to be separated from the slide rail under the action of a second elastic piece.
Further, one end of the clamping piece, which is close to the unlocking slide block, is wedge-shaped, a surface, which is abutted against the end part of the unlocking slide block or the handle, of the clamping piece is a clamping surface, preferably, an included angle between the clamping surface and the horizontal plane is 45 degrees, the unlocking slide block is provided with a contact surface matched with the clamping surface, the clamping surface and the contact surface are in splicing contact at an angle of 45 degrees, and the downward movement displacement of the unlocking slide block is basically equal to the movement displacement of the clamping piece in the left-right direction.
Further, the depth of the matching between the clamping piece and the locking surface of the battery pack is more than or equal to 8mm so as to ensure that the clamping piece can firmly fix the battery pack in the battery compartment, and the end part of the clamping piece is provided with a chamfer so as to prevent the end part of the clamping piece from interfering the battery pack when the battery pack is taken out.
Further, as the battery pack is large in size, at least two locking devices are arranged on the side wall of the battery compartment and are respectively arranged on two sides of the battery compartment in the length direction, wherein the distance between the locking devices and the bottom surface of the battery compartment is larger than half of the depth of the battery compartment, namely the battery compartment is provided with a first bisecting surface in the height direction perpendicular to the battery compartment, and the locking devices are positioned above the first bisecting surface.
Further, the handle is U-shaped and provided with a holding part and a pivoting part, the holding part extends along the first axis direction, the pivoting part is basically vertical to the holding part, the first end part and the second end part are positioned on the outer surface of the pivoting part, the handle is flat, and the thickness of the handle is more than or equal to 15mm.
Further, the handle is rotationally connected with the battery pack shell through the metal pin, so that abrasion to the battery pack shell in the rotation process is avoided, the metal sleeve is further arranged at the pivot hole of the handle, namely, the metal sleeve is in interference fit in the pivot hole, and the metal pin is rotationally connected with the metal sleeve, so that the service life is prolonged.
Meanwhile, the handle is coated with soft rubber, the soft rubber has a shape matched with fingers, a user can operate the handle by one hand to take out the battery pack, and the battery pack can also be taken out by two hands, and a notch is arranged at the contact part of the battery pack shell and the holding part of the handle, so that the user can conveniently operate the handle to move the handle from the storage position to the extraction position when the handle is in the storage position.
Further, a third elastic piece is arranged at the pivot hole of the handle, and the third elastic piece is a torsion spring, so that after the acting force applied to the handle is relieved by a user, the handle can be reset to the storage position.
Further, the bottom of battery compartment is provided with resilient means, and resilient means includes a plurality of springs or shell fragment, and a plurality of springs are along the bottom surface evenly distributed of battery compartment to exert the power that pops out to the battery package after the unblock of battery package, be favorable to taking out of battery package.
Further, the weight of the battery pack is more than or equal to 10Kg, the capacity of the battery pack is more than or equal to 30Ah, and the ratio of the capacity of the battery pack to the weight is more than or equal to 2.5Ah/Kg.
Further, the battery pack is cube, the handle extends along the length direction of the battery pack, the ratio of the length of the handle to the length of the battery pack is greater than or equal to 1/2, the ratio of the length of the battery pack to the height of the battery pack is greater than or equal to 1.5, the ratio of the length of the battery pack to the width of the battery pack is greater than or equal to 2, the plurality of battery cells are lithium iron phosphate battery cells, and rated voltage of the battery pack is greater than or equal to 50V.
Further, a plurality of electric cores in the battery package are arranged in the casing of battery package in parallel along the width direction of battery package, and the battery package still includes the BMS control panel of a plurality of electric cores of control charge and discharge and supports the support of a plurality of electric cores, the BMS control panel is located the top of support, and the length of BMS control panel is greater than or equal to 0.7 with the ratio of battery package length.
Further, in an embodiment in which the handle is provided rotatably connected to the battery pack housing and is rotated relative to the battery pack to switch between the storage position and the extraction position, the handle forms a holding space between the extraction position and the battery pack housing, the height of the holding space being not less than 20mm, and the handle is rotatably connected to the battery pack housing through the first rotation shaft and the second rotation shaft.
Further, the side wall of the battery pack shell is further provided with a plug-in portion, the plug-in portion plays a guiding role when the battery pack is mounted to the battery bin, the extending direction of the plug-in portion is parallel to the extending direction of the sliding rail for accommodating the unlocking sliding block, and preferably, the central axis of the plug-in portion and the central axis of the sliding rail are in the same straight line.
Further, the side wall of the battery pack is also provided with an output terminal, the inner wall of the battery bin is provided with an input terminal which is in butt joint with the output terminal, and the output terminal is electrically connected with the input terminal to supply power for the working tool.
Further, the battery package is equipped with two at least unblock sliders along length direction's both sides, and the handle is through the removal of first pivot and second pivot control two unblock sliders respectively, and unblock slider, output terminal and the grafting portion of battery package same lateral wall are arranged in proper order from last to lower along same straight line.
Further, the ratio of the length of the output terminal on the battery pack to the height of the battery pack is less than or equal to 0.3, and the battery pack shell is provided with an accommodating space for accommodating the output terminal, wherein the output terminal is at least partially positioned in the accommodating space.
Further, the shell of the battery pack consists of an upper shell and a lower shell, wherein the upper shell and the lower shell are enclosed in the height direction of the battery pack to form a containing cavity for containing the battery cell module, the output terminal is arranged on the lower shell, the locking surface matched with the locking structure is arranged on the upper shell, and the ratio of the height of the upper shell to the height of the lower shell is greater than or equal to 1/2.
Furthermore, the ratio of the plug-in part on the side wall of the battery pack to the height of the battery pack is more than or equal to 1/2 and less than or equal to 2/3 so as to ensure smoothness and stability when the battery pack is inserted into the battery compartment, sliding grooves are formed in two sides of the plug-in part, the thickness of the sliding grooves is gradually changed so as to be beneficial to butt joint when the battery pack is inserted into the battery compartment, the output terminals of the battery pack are positioned between the sliding grooves and are electrically connected with a BMS control board of the battery pack, the BMS control board of the battery pack comprises total positive lead-out terminals and total negative lead-out terminals, the total positive lead-out terminals are respectively electrically connected with positive terminals of all the output terminals of the battery pack, the total negative lead-out terminals are respectively electrically connected with negative terminals of all the output terminals of the battery pack, the output terminals of the battery pack are at least 2, at least 2 output terminals are symmetrically arranged on two opposite sides of the battery pack, and the output terminals are positioned above the plug-in part.
Further, a boss is further arranged on the upper surface of the shell of the battery pack so as to limit the rotation amplitude of the handle, and the height of the boss is more than or equal to 10mm.
Further, in the embodiment that the handle of the battery pack is in sliding fit with the battery pack shell, the battery pack shell is provided with the sliding groove, and at least part of the handle can move up and down along the sliding groove, the handle is U-shaped and is provided with a holding part and a sliding part, and the sliding part is matched with the sliding rail on the battery pack shell;
Specifically, the sliding part is provided with a protruding end, when the handle moves to the extraction position, the protruding end of the sliding part acts on the clamping piece of the locking assembly to enable the clamping piece to move towards a direction far away from the battery pack so as to release the locking of the locking device on the battery pack, wherein unlocking devices are arranged on two sides of the battery bin along the length direction, and the handle unlocks at least 2 locking devices in the process of moving from the storage position to the extraction position.
Further, the ratio of the length of the sliding rail for accommodating the sliding part on the battery pack shell to the height of the battery pack is less than or equal to 1/3, and the length of the sliding part is basically the same as the length of the sliding rail for accommodating the sliding part, wherein the weight of the battery pack is about 15Kg.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a battery pack in a storage position of a handle according to an embodiment of the present application;
FIG. 2 is a schematic view of a battery pack in an extracted position of a handle according to an embodiment of the present application;
Fig. 3 is an exploded view of a battery pack according to an embodiment of the present application;
FIG. 4 is a schematic view of a battery compartment according to an embodiment of the present application;
FIG. 5 is a schematic view of a battery compartment according to an embodiment of the present application;
FIG. 6 is a cross-sectional view of a battery pack secured within a battery compartment in an embodiment of the application;
FIG. 7 is a cross-sectional view of a battery pack according to an embodiment of the present application taken from a battery compartment;
FIG. 8 is a schematic view of a battery pack handle according to an embodiment of the present application;
FIG. 9 is an enlarged view of a portion of FIG. 6;
FIG. 10 is an enlarged view of a portion of FIG. 7;
FIG. 11 is a schematic diagram of a charger according to an embodiment of the present application;
FIG. 12 is a schematic view of a charger according to an embodiment of the present application;
FIG. 13 is a schematic view of a portable power source according to an embodiment of the present application;
FIG. 14 is a top view of a portable power supply body according to an embodiment of the present application;
FIG. 15 is a schematic view of an outdoor work vehicle according to an embodiment of the present application;
The drawings illustrate a battery pack-1, a housing-11, a battery cell module-12, a handle-13, a grip-131, a pivot-132, a first axis-10, an unlocking slider-14, an output terminal-15, a plug-in portion-16, a locking surface 101, a chute-100, a second elastic member 141, a first end-1321, a second end-1322, a first bisecting surface-A, a grip space-B, a limit-1110, a contact surface-140, a BMS control board-18, a sliding portion-133, a battery compartment-2, an elastic device-21, an input terminal-22, a locking opening-20, a locking device-3, a mounting bracket-30, a snap-in member-31, a first elastic member-32, a snap-in surface-310, a mounting portion-36, a charger-5, and an outdoor work vehicle-4.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. The terms "above," "below," "left," "right," "vertical," "horizontal," and the like are used herein for illustrative purposes only and are not intended to limit the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Preferred embodiments of a battery pack release structure, a battery pack, and an outdoor tool including the same are described below with reference to the accompanying drawings.
Example 1:
Referring to fig. 1-3, the present application provides a battery pack 1, which includes a battery module 12 having a plurality of battery cells, a housing 11 accommodating the battery module 12, and a handle 13 rotatable around the battery pack 1, wherein the handle 13 is U-shaped, and has a holding portion 131 and pivoting portions 132 at two ends of the holding portion 131, the holding portion 131 extends along a length direction of the battery pack 1, and the handle 13 is rotatably connected with the battery pack 1 around a first axis 10. The weight of the battery pack 1 is greater than or equal to 15Kg, the shape of the handle 13 is flat, and the thickness of the handle 13 is greater than or equal to 15mm.
The casing 11 of battery package 1 comprises last casing and lower casing two parts, has a plurality of bolt holes along the inner wall shaping of last casing and lower casing, goes up casing and lower casing and passes through along the direction of height of battery package 1 the bolt hole fixed connection, go up the casing with the length ratio of lower casing along the direction of height is greater than or equal to 1/2, has so set up and has guaranteed that electric core module 12 is placed in the holding chamber of casing 11 more easily. As shown in the figure, the battery pack 1 is a cube, the capacity of the battery pack 1 is greater than 40Ah, the ratio of the capacity to the weight of the battery pack 1 is greater than or equal to 2.5Ah/kg, the handle 13 extends along the length direction of the battery pack 1, and the length of the handle 13 is substantially the same as the length of the battery pack 1. In this embodiment, the length of the battery pack 1 is about 400mm, the width of the battery pack 1 is about 180mm, the height of the battery pack 1 is about 241mm, the battery cells in the battery pack 1 are lithium iron phosphate battery cells, and the rated voltage of the battery pack 1 is greater than 50V.
Referring to fig. 1-2, a movable unlocking slide block 14 is disposed along the opposite outer walls of the battery pack 1 in the length direction, the end of the handle 13 abuts against the unlocking slide block 14, and the unlocking slide block 14 moves in the height direction of the battery pack 1 during rotation of the handle 13. In this embodiment, the battery pack 1 has two output terminals 15 and two plugging portions 16, and the unlocking slide block 14, the output terminals 15 and the plugging portions 16 are sequentially arranged from top to bottom along the height direction of the battery pack 1.
Referring to fig. 4 to 7, the battery pack releasing structure includes the battery pack 1 and the battery compartment 2 for accommodating the battery pack 1, wherein the battery compartment 2 has an accommodating space and at least part of the battery pack 1 is located in the accommodating space. The side portion of the battery compartment 2 is provided with the locking device 3, the clamping piece 31 is movably arranged in the locking device 3, when the handle 13 of the battery pack 1 rotates, the unlocking slide block 14 moves up and down to drive the clamping piece 31 to move towards a direction away from the battery pack 1, specifically, the unlocking slide block 14 is linked with the handle 13, the handle 13 drives the unlocking slide block 14 to move, and when the unlocking slide block 14 moves to abut against the clamping piece 31, the clamping piece 31 is pushed to move towards a direction away from the battery pack 1. Wherein, locking device 3 includes installing support 30, and installing support 30 passes through the outer wall of screw fixation at battery compartment 2, and installing support 30 includes the locking groove, but the fastener 31 movable mounting just the fastener 31 passes through first elastic component 32 and installing support 30 butt in the locking inslot. The side wall of the battery compartment 2 is provided with a locking opening 20, the first elastic piece 32 is propped against the clamping piece 31, the clamping piece 31 has a trend of extending out of the locking opening 20, the clamping piece 31 extends out of the locking opening 20 under the action of the first elastic piece 32, the clamping piece 31 is retracted into the locking opening 20 against the elastic force of the first elastic piece 32 under the action of the unlocking slide block 14, the clamping piece 31 is clamped and locked with the battery pack 1 in an extending state, the clamping piece 31 is unlocked with the battery pack 1 in a retracting state, the surface of the shell 11 of the battery pack 1 is provided with a locking surface 101 matched with the clamping piece 31, and the clamping piece 31 and the locking surface 101 are matched to form a locking assembly to lock the battery pack 1 in the battery compartment 2.
Referring to fig. 8, the end of the handle 13 has a first end 1321 and a second end 1322, and the second end 1322 is spaced from the first axis 10 more than the first end 1321 is spaced from the first axis 10. The first end 1321 of the handle 13 is in contact with the unlocking slide 14 when the handle 13 is in the lying-in storage position, and the second end 1322 of the handle 13 is in contact with the unlocking slide 14 when the handle 13 is in the extracted position. Referring to fig. 1-2, the direction in which the unlocking slide 14 moves on the surface of the battery pack 1 is substantially perpendicular to the extending direction of the first axis 10, and when the handle 13 rotates from the storage position to the extraction position, the unlocking slide 14 moves downward in the height direction of the battery pack 1 under the action of the end of the handle 13. Wherein the distance X of the second end 1322 of the handle 13 from the first axis 10 is greater than the distance Y of the first end 1321 from the first axis 10, and the difference X-Y of the distances is more than or equal to 8mm.
Referring to fig. 6-7, the unlocking slide block 14 has a bending portion near the handle 13, the surface of the housing 11 of the battery pack 1 has a chute 100 adapted to the unlocking slide block 14, a second elastic member 141 is further disposed between the surface of the housing 11 of the battery pack 1 and the bending portion, and the unlocking slide block 14 always maintains contact with the end portion of the handle 13 under the action of the second elastic member 141. Specifically, the bending portion is further provided with a hook, the casing 11 of the battery pack 1 has a clamping groove adapted to the hook, and the clamping groove cooperates with the hook to limit the unlocking slide block 14 from being separated from the chute 100 under the action of the second elastic member 141.
Referring to fig. 9-10, the engaging member 31 of the locking device 3 has an engaging surface 310, and an end of the unlocking slide 14 abuts against the engaging surface 310 of the engaging member 31 to move the engaging member 31 left and right. The engagement surface 310 has an angle of 45 ° with the horizontal direction, the unlocking slide 14 has a contact surface 140 adapted to the engagement surface 310, the engagement surface 310 and the contact surface 140 are in contact with each other at an angle of 45 °, and the arrangement is such that the downward displacement of the unlocking slide 14 is substantially equal to the displacement of the engagement member 31 in the horizontal direction. The engaging piece 31 has a depth of engagement with the locking surface 101 of the surface of the battery pack 1, which is not less than 8mm, approximately equal to the distance the unlocking slide 14 moves downward. In order to avoid the unsmooth removal of the battery pack 1 caused by the contact of part of the edge of the engaging member 31 with the locking surface 101 in the retracted state, the end of the engaging member 31 is provided with a chamfer.
Referring to fig. 6-7, two locking devices 3 are disposed along the side portion of the battery compartment 2 along the length direction, and the distance between the engaging member 31 of the locking device 3 and the bottom of the battery compartment 2 is greater than half the depth of the battery compartment 2, i.e. the battery compartment 2 has a first bisecting plane a in the height direction perpendicular to the battery compartment 2, and the locking device 3 is located above the first bisecting plane a. The arrangement is such that the movement distance of the unlocking slide 14 is shorter when the battery pack 1 is unlocked, while the battery pack 1 is more stable in the battery compartment 2. Similarly, the distance between the locking surface 101 of the battery pack 1, which cooperates with the engaging member 31, and the bottom surface of the battery pack 1 is also greater than half the height of the battery pack 1.
Referring to fig. 6 to 7, the end of the handle 13 of the battery pack 1 has a pivot hole, the case 11 of the battery pack 1 has a through hole corresponding to the pivot hole, and a metal pin passes through the pivot hole and the through hole to rotatably connect the handle 13 and the case 11 of the battery pack 1. And the pivot hole and/or the through hole are/is also internally provided with a metal sleeve, and the metal sleeve is in interference fit with the pivot hole and/or the through hole. This arrangement prevents the metal pins from wearing the handle 13 and/or the housing 11 of the battery pack 1 during rotation of the handle 13, while improving the strength of the handle 13. At least one end of the metal pin is provided with a boss, and the metal pin is limited in the pivot hole through the cooperation of the retainer ring and the boss, so that the metal pin is prevented from being separated. The handle 13 of the battery pack 1 is further coated with soft rubber, the soft rubber has a shape matched with fingers, and a user can extract the battery pack 1 by one hand or can take out the battery pack 1 by two hands. Optionally, the pivot department of handle 13 is equipped with the third elastic component, and the third elastic component is the torsional spring, when not needing to take out battery package 1, handle 13 is automatic to be reset to the storage position under the effect of torsional spring.
Referring to fig. 3, a plurality of battery cells in the battery pack 1 are arranged in parallel in the housing 11 of the battery pack 1 along the width direction of the battery pack 1, the battery pack 1 comprises a BMS control board 18 for controlling the charge and discharge of the battery cells and a bracket for supporting the battery cells, the BMS control board 18 is located above the bracket, the BMS control board 18 is located above the battery cell module and is fixed on the bracket of the battery cells, the ratio of the length of the BMS control board 18 to the length of the battery cell bracket is greater than or equal to 1/2, and preferably, the ratio of the length of the BMS control board 18 to the length of the battery cell bracket is greater than or equal to 0.7.
Referring to fig. 2, when the handle 13 rotates to the extraction position, a holding space B is formed between the handle 13 and the upper surface of the housing 11 of the battery pack 1, the height of the holding space B is not less than 20mm, a limiting portion 1110 is formed on the upper surface of the housing 11 of the battery pack 1, the limiting portion 1110 and a groove formed on the upper surface of the battery pack 1 accommodate the handle 13, and the limiting portion 1110 is used for limiting the rotation range of the handle 13, in this embodiment, the height of the limiting portion 1110 is not less than 10mm.
Referring to fig. 1-2, two unlocking sliders 14 are disposed on two sides of the battery pack 1 along the length direction, the unlocking sliders 14, the output terminals 15 and the plugging portions 16 are sequentially arranged from top to bottom along the same straight line, wherein a ratio of the length of the output terminals 15 of the battery pack 1 to the height of the battery pack 1 is less than or equal to 0.3, and a housing 11 of the battery pack 1 has an accommodating space for accommodating the output terminals 15. The plug-in part 16 is located at the lower side of the battery pack 1, the ratio of the length of the plug-in part 16 to the height of the battery pack 1 is greater than or equal to 1/2, so that smoothness and stability of the battery pack 1 when the battery pack 1 is inserted into the battery compartment 2 are guaranteed, sliding grooves 100 are formed in two sides of the plug-in part 16, the thickness of the sliding grooves 100 is gradually changed, butt joint of the battery pack 1 when the battery pack 1 is inserted into the battery compartment 2 is facilitated, and an installation part 36 matched with the plug-in part is arranged in the battery compartment 2.
Referring to fig. 4, 7 and 14, an elastic device 21 is disposed at the bottom of the battery compartment 2, the elastic device 21 includes a plurality of elastic members uniformly distributed on the bottom of the battery compartment 2, and after the locking device 3 on the battery compartment 2 releases the locking of the battery pack 1, the battery pack 1 pops up under the action of the elastic members. In this embodiment, the elastic device 21 includes 6 elastic members, and 3 elastic members are respectively disposed along two sides of the battery compartment 2 in the length direction.
Example 2:
The principle of the release structure of the battery pack 1 of this embodiment is basically the same as that of embodiment 1, except that the operating member of the battery pack 1 of this embodiment is a handle 13, and the handle 13 is slidably engaged with the housing 11 of the battery pack 1. Specifically, the handle 13 slides along the height direction of the battery pack 1 and has a storage position and an extraction position, and the handle 13 unlocks the unlocking devices on both sides of the battery compartment 2 in the process of moving from the storage position to the extraction position. The handle 13 includes a holding portion 131 and a sliding portion 133, the surface of the housing 11 of the battery pack 1 has a sliding slot 100, and the sliding portion 133 of the handle 13 is matched with the sliding slot 100 on the housing 11 of the battery pack 1. At least a part of the handle 13 acts on the engaging member 31 when sliding along the chute 100, so that the engaging member 31 moves in a direction away from the battery pack 1. Wherein, the ratio of the length of the chute 100 to the height of the battery pack 1 is less than or equal to 1/2.
Example 3:
Referring to fig. 11-12, the present embodiment provides a charger 5 for charging a battery pack 1, wherein the charger 5 has the above-mentioned battery pack releasing structure. Specifically, the main body of the charger 5 forms a battery compartment 2, the battery pack 1 is placed in the battery compartment 2, and the control circuit of the charger 5 receives electric energy from an external power supply to charge the battery pack 1.
Example 4:
Referring to fig. 13, the present embodiment provides a portable power source, the surface of the portable power source has an AC output interface and a DC output interface, the portable power source includes the battery pack release structure and the inverter in the above embodiment, the main body of the inverter forms a battery compartment 2, the battery compartment 2 receives the battery pack 1 in the above embodiment to form the portable power source, the battery pack release structure is used between the battery pack 1 and the battery compartment 2, the inverter is provided inside the main body of the portable power source, and the inverter converts the electric energy of the battery pack 1 and outputs the electric energy.
Example 5:
Referring to fig. 15, the present embodiment provides an outdoor working vehicle 4, the outdoor working vehicle 4 includes a power source system, a travelling mechanism and a cutting mechanism, the power source system includes a battery pack 1 and a battery compartment 2 for accommodating the battery pack 1, the battery compartment 2 is mounted on a frame of the outdoor working vehicle 4 and is supported by the frame of the outdoor working vehicle 4, the battery pack 1 is placed in the battery compartment 2 and is locked by a locking device 3 on the battery compartment 2, the outdoor working vehicle 4 of the present embodiment uses the battery pack release structure in the above embodiment, and the unlocking of the locking device 3 can be controlled by a handle 13 on the battery pack 1, so as to take down the battery pack 1. The two sides of the battery pack 1 are provided with output terminals 15, the corresponding positions of the battery bin 2 are provided with input terminals 22, and the output terminals 15 and the input terminals 22 are matched to provide power for the outdoor work vehicle 4.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, shall cover the scope of the present application by equivalent substitution or modification according to the technical scheme of the present application and the application concept thereof.