CN112928782A - Charging seat, battery system and electric tool - Google Patents

Abstract

The invention discloses a charging seat, a battery system and an electric tool, wherein the charging seat comprises: the casing, the casing including be used for supporting the bottom that the charging seat stood and with the top that the bottom set up relatively, the inside accommodation space that is used for holding electrical components that is provided with of casing, the casing is provided with a plurality of circulation of air passageways that run through the casing wall thickness, circulation of air passageway have with the first opening of accommodation space intercommunication and with the second opening of exterior space intercommunication, first opening ratio the second opening is close to the top. The charging seat has good heat dissipation effect, can effectively reduce rain, snow, dust, foreign matters and the like from entering the shell, and has good dustproof and rainproof effect.

Description

Charging seat, battery system and electric tool

Technical Field

The invention relates to the field of electric tools, in particular to a charging seat, a battery system and an electric tool.

Background

In the related art, in order to obtain a better heat dissipation efficiency, the opening direction of the air circulation channel is generally opened on the upper and lower sides of the extending direction of the casing, and the air circulation channel leads to insufficient sealing effect of the charging seat when the charging seat is used in outdoor operation under the condition that the upper and lower sides of the air circulation channel are opened, so that rain, snow, dust, foreign matters and the like easily enter the casing, and the service life of the charging seat is affected.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a charging base, which has a good heat dissipation effect, and can effectively reduce the entry of rain, snow, dust, foreign matter, etc. into the casing, and the charging base has a good dustproof and rainproof effect.

The invention also provides a battery system with the charging seat.

The invention also provides an electric tool with the battery system.

The charging stand according to the present invention comprises: the casing, the casing including be used for supporting the bottom that the charging seat stood and with the top that the bottom set up relatively, the inside accommodation space that is used for holding electrical components that is provided with of casing, the casing is provided with a plurality of circulation of air passageways that run through the casing wall thickness, circulation of air passageway have with the first opening of accommodation space intercommunication and with the second opening of exterior space intercommunication, first opening ratio the second opening is close to the top.

According to the charging stand, the shell is provided with a plurality of air circulation channels penetrating through the wall thickness of the shell, the air circulation channels are provided with first openings communicated with the accommodating space and second openings communicated with the external space, and the first openings are closer to the top than the first openings. In circulation of air passageway, the orientation holds the trend that air current or foreign matter etc. that the air advanced the motion must have the upside removal, under the effect of gravity, rain, foreign matter such as snow can't move towards the upside smoothly, and be blockked outside circulation of air passageway, can not enter into accommodation space's inside, thereby under the condition that the charging seat has good radiating effect, the charging seat still can keep good waterproof dustproof effect when outdoor work, the life of charging seat has been prolonged, the stability of charging seat has been improved.

According to one embodiment of the present invention, the case includes a case front portion and a case rear portion which are disposed opposite to each other, and a case side portion between the case front portion and the case rear portion, the case front portion is provided with a mating portion for connecting with a battery pack, and the air circulation passage is provided at the case side portion.

According to one embodiment of the present invention, the housing includes a first housing portion, and a second housing portion connected to the first housing portion, the mating portion is located at the first housing portion, and the housing side portion is located at the second housing portion.

According to one embodiment of the present invention, the charging stand includes a plurality of waterproof portions, and the air circulation passage is formed between two adjacent waterproof portions.

According to one embodiment of the invention, the waterproof portion is integrally formed with the housing.

According to one embodiment of the invention, the waterproof portion has a first extension extending from outside to inside along the wall thickness of the shell, and a second extension extending at an upward angle from the first extension.

According to one embodiment of the invention a first flashing of two adjacent flashing parts is closer to the top of the housing than a second flashing part, the first flashing part having a first side surface facing the second flashing part, the second flashing part correspondingly having a second side surface facing the first flashing part, the air circulation channel being formed between the first and second side surfaces.

According to an embodiment of the present invention, the second side surface includes, from outside to inside, a first lower straight surface, a second lower straight surface and a third lower straight surface which are sequentially connected in an angle, the first lower straight surface extends in an inclined manner from outside to inside to the top, the second lower straight surface is connected to an upper end of the first lower straight surface and is horizontally disposed, and the third lower straight surface is vertically connected to the second lower straight surface.

According to one embodiment of the invention, the first side surface comprises a first upper straight surface, a curved surface and a second upper straight surface which are connected in sequence from outside to inside, the first upper straight surface is parallel to the second upper straight surface, and the curved surface is concave towards the top of the shell; the clearance between the first upper straight surface and the first lower straight surface is larger than the clearance between the second lower straight surface and the second upper straight surface.

According to one embodiment of the invention, the cross-sectional area of the air flow channel tapers from the outside to the inside along the wall thickness of the housing.

According to one embodiment of the invention, the mating part comprises a pole socket body, the pole socket body is provided with a supporting surface, a plurality of bosses extending towards the top of the shell are arranged on the supporting surface, electrode plates extending towards the top of the shell are arranged on the top walls of the bosses, and the supporting surface is obliquely arranged and extends towards the top of the shell from outside to inside along the thickness of the shell wall.

According to one embodiment of the invention, a partition plate is arranged on the inner side of the pole seat body, the upper edge of the partition plate is higher than the supporting surface, and waterproof grooves extending in the vertical direction are respectively arranged on two sides of the partition plate.

The battery system according to the present invention is briefly described below.

The battery system according to the present invention includes a battery pack and the charging stand of the above embodiment, wherein the battery pack has a power input terminal and a power output terminal, and the power input terminal is selectively connected to the mating part. Because the battery system provided by the invention is provided with the charging seat in the embodiment, the battery system is good in stability, high in safety and good in rain-proof effect, and can be suitable for outdoor work.

The electric power tool according to the present invention is briefly described below.

The electric tool comprises a driving part, an operating part and the battery system, wherein the driving part is provided with an electricity end, the operating part is in power connection with the driving part, and an electricity output end of the battery system is electrically connected with the electricity end to supply power to the driving part.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a charging dock according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a mating part according to an embodiment of the present invention;

FIG. 3 is a side view of a charging dock according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of section A-A of FIG. 3;

FIG. 5 is an enlarged partial view of circle B in FIG. 4;

FIG. 6 is a cross-sectional view of section C-C of FIG. 4;

fig. 7 is a schematic structural view of an air circulation passage according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of a charging dock according to one embodiment of the present invention;

FIG. 9 is an enlarged view of the structure of a heat dissipation area according to one embodiment of the present invention;

fig. 10 is a sectional view of a charging stand according to another embodiment of the present invention.

Reference numerals:

charging stand 1

Housing 11, first housing part 11a, second housing part 11b, recess 11c, bottom wall 11c1, upper side wall 11c2, waterproof part 12, first side surface 121, second side surface 122,

the fitting part 13 is provided with a fitting part,

an electric connection matching part 13a, a polar seat body 131, a supporting surface 131a, an electrode plate 132, a boss 133, a top surface 133a partition 134, a waterproof groove 1341, a fixed connection matching part 13b, a first slide rail 13b1, a second slide rail 13b2,

a first opening 101, a second opening 102, a housing front upper wall 103, and a housing front lower wall 104.

The number of the baffle 14, the knock out hole 113,

a heat dissipation area 15, a heat dissipation hole 151;

a heat radiation fan 16.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A cradle according to an embodiment of the present invention is described below with reference to fig. 1 to 10.

As shown in the figures, the charging stand 1 according to the present invention includes a housing 11, the housing 11 includes a bottom portion for supporting the charging stand 1 to stand on, and a top portion disposed opposite to the bottom portion, and a receiving space for receiving electrical components is disposed inside the housing 11. The charging dock 1 according to the present invention may be constructed in a vertical design, the charging dock 1 is generally vertically arranged in an operating state, the housing 11 accommodates electrical components, and the electrical components generate a large amount of heat during the operation of the charging dock 1, and thus need to be radiated through an air circulation passage provided on the wall thickness of the housing 11, whereas the charging dock 1 according to the present invention considers that the environment is more severe in a case where the charging dock 1 operates outdoors, and thus needs to limit the opening of the air circulation passage.

In the related art, in order to obtain a better heat dissipation efficiency, the opening direction of the air circulation channel is generally opened on both the upper and lower sides of the extending direction of the housing 11, and the air circulation channel is opened on both the upper and lower sides, which results in that when the charging dock 1 is used in outdoor operation, the sealing effect of the charging dock 1 is insufficient, rain, snow, dust, foreign matters and the like easily enter the housing 11, and the service life of the charging dock 1 is affected.

According to the charging stand 1 of the present invention, the housing 11 is provided with a plurality of air circulation passages penetrating the wall thickness of the housing 11, the air circulation passages having a first opening 101 communicating with the housing space and a second opening 102 communicating with the external space, the first opening 101 being closer to the top than the second opening 102.

The first opening 101 and the second opening 102 in the present invention are at least partially offset in the standing direction. In one embodiment, the first opening 101 is completely offset from the second opening 102; in another alternative, the first opening 101 is partially offset from the second opening 102. The condition that the first opening 101 is closer to the top of the housing 11 than the second opening 102 includes that the highest point of the first opening 101 is closer to the top of the housing 11 than the highest point of the second opening 102. In circulation of air passageway, the trend that must have towards the upside removal towards the air current or foreign matter etc. of accommodation space motion, under the effect of gravity, rain, foreign matters such as snow can't move towards the upside smoothly, and be blockked outside circulation of air passageway, accommodation space's inside can not enter into, thereby under the condition that charging seat 1 has good radiating effect, charging seat 1 still can keep good waterproof dustproof effect when outdoor work, charging seat 1's life has been prolonged, charging seat 1's stability has been improved.

According to one embodiment of the present invention, the case 11 includes a case front portion and a case rear portion which are disposed opposite to each other, and a case side portion between the case front portion and the case rear portion, the case front portion is provided with a mating portion 13 for connection with the battery, and the air circulation passage is provided at the case side portion.

The front part of the shell, the back part of the shell and the side part of the shell can enclose a containing space for containing electrical elements, the front part of the shell can be suitable for being connected with a battery pack, the matching part 13 is arranged at the front part of the shell, so that the connection between the charging seat 1 and the battery is stable, and the connection between the battery pack and the charging seat 1 is stable.

The matching and connecting part 13 can comprise an electric connection matching and connecting part 13a and a fixed connection matching and connecting part 13b, wherein the electric connection matching and connecting part 13a is suitable for electrically connecting the battery pack with an electric element in the charging seat 1, the fixed connection matching and connecting part 13b is suitable for being in contact with and matched with the battery pack so as to ensure that the relative position between the charging seat 1 and the battery pack is stable in the charging process, the electric connection matching and connecting part 13a is used for electrically connecting the battery pack with the electric element inside the charging seat 1 in the charging process, and the fixed connection part ensures that the battery pack is supported so as to ensure that the position between the battery pack and the charging seat 1 is relatively stable.

According to an embodiment of the present invention, the housing 11 includes a first housing portion 11a, and a second housing portion 11b connected to the first housing portion 11a, the mating portion 13 is located at the first housing portion 11a, the housing side portion is located at the first housing portion 11a, and the housing side portion is located at the second housing portion 11 b.

It should be noted that the front and rear of the housing may be understood as a front side wall of the housing 11 and a rear side wall of the housing 11, or may be understood as a side wall structure extending in a direction of a front side or a rear side of the housing 11, and the side wall structure may be configured in any shape such as a flat plate shape or an arc shape, and the present invention is not limited thereto.

Be connected through the casing lateral part between casing front portion and casing rear portion, be connected between the casing front portion need and the battery package, and the casing lateral part is connected between casing front portion and casing rear portion, and the casing lateral part can the symmetry set up, sets up the circulation of air passageway on the casing lateral part, can make the air get into accommodation space from one side and flow out from the opposite side of symmetry again to improve the circulation speed of shell air, improved charging seat 1's radiating effect.

The housing 11 can be understood by providing the first housing portion 11a and the second housing portion 11b, where the first housing portion 11a is a front housing, the second housing portion 11b is a rear housing, the first housing portion 11a is provided with a front housing portion and a partial housing side portion, and the second housing portion 11b is provided with a rear housing portion and a partial housing side portion, so that the housing 11 is configured as a split structure, and the housing 11 is convenient to install.

According to an embodiment of the present invention, the charging dock 1 includes a plurality of waterproof portions 12, an air circulation channel is formed between two adjacent waterproof portions 12, the waterproof portions 12 may be configured as protrusions formed on the housing 11 and extending toward a direction away from the housing 11, the two adjacent waterproof portions 12 are spaced apart from each other to form an air circulation channel, so as to communicate the accommodating space with an external space, the waterproof portions 12 are disposed on the housing 11, so that the air circulation channel is easier to form, and the structural strength of the housing 11 is prevented from being reduced due to the formation of the air circulation channel on the wall thickness of the housing 11, the structural stability of the housing 11 of the charging dock 1 of the housing 11 can be ensured by disposing the waterproof portions 12, and the waterproof and dustproof effects of the housing 11 are also improved.

According to an embodiment of the present invention, the waterproof portion 12 is integrally formed with the housing 11, so that the connection between the waterproof portion 12 and the housing 11 is more stable and reliable, the structural strength and reliability of the charging stand 1 are improved, the assembling procedure is reduced, and the production cost of the charging stand 1 is reduced.

According to an embodiment of the present invention, the waterproof portion 12 has a first extension portion extending from the outside to the inside along the wall thickness of the housing 11, and a second extension portion disposed at an inner end of the first extension portion and extending at an upward angle. Wherein first extension can extend in the horizontal direction, and the setting of second extension is in the inner of first extension, and second extension can extend in vertical direction, and second extension also can have certain inclination with vertical direction.

The first extending part and the second extending part enable an air circulation channel formed between two adjacent waterproof parts 12 to be provided with a part extending in the vertical direction and a part extending in the horizontal direction, so that multiple sections of passages with different extending directions are formed in the air circulation channel, the probability that rain, snow, dust and the like enter the accommodating space can be further avoided through the multiple sections of passages with different extending directions, and the sealing performance of the charging seat 1 is improved.

According to one embodiment of the invention, a first of two adjacent flashing portions 12, which first flashing portion has a first side surface 121 facing the second flashing portion 12, is closer to the top of the housing 11 than the second flashing portion 12, which second flashing portion 12 correspondingly has a second side surface 122 facing the first flashing portion, and an air circulation channel is formed between the first side surface 121 and the second side surface 122.

The first waterproof portion and the second waterproof portion 12 may be arranged at a distance in the vertical direction, a surface of the first waterproof portion facing the lower side is configured as a first side surface 121, a surface of the second waterproof portion 12 facing the upper side is configured as a second side surface 122, and the first side surface 121, the second side surface 122 and the housing 11 together form an air circulation passage therebetween.

According to an embodiment of the present invention, the second side surface 122 includes, from outside to inside, a first straight surface, a second straight surface and a third straight surface which are sequentially connected in an angle, the first straight surface extends from outside to inside and is inclined toward the top, the second straight surface is inclined toward the top in the horizontal direction, an outer end of the second straight surface is connected to an upper end of the first straight surface, and the third straight surface is vertically connected to the second straight surface.

The second side surface 122 may be configured as an upper surface of the waterproof part 12, and the upper surface of the waterproof part 12 is formed with a first lower straight surface, a second lower straight surface and a third lower straight surface which are sequentially connected, and the first lower straight surface, the second lower straight surface and the third lower straight surface are angularly disposed therebetween, so that the air circulation passage has a plurality of portions with different extension directions in the extension direction. Have the different circulation of air passageway of multistage extension side can not hinder the circulation of air, nevertheless can hinder sleet and dust etc. reduce sleet and dust and enter into the probability in the accommodation space to charging seat 1's sealed effect has been improved.

According to an embodiment of the present invention, the first side surface 121 includes, from outside to inside, a first upper straight surface, a curved surface and a second upper straight surface connected in sequence, the first upper straight surface is parallel to the second upper straight surface, and the curved surface is concave toward the top of the housing 11; the clearance between the first upper straight surface and the first lower straight surface is larger than the clearance between the second lower straight surface and the second upper straight surface.

According to an embodiment of the present invention, the first upper straight surface and the second upper straight surface may extend in a horizontal direction, the curved surface is connected to an edge of the first upper straight surface facing the inside, the curved surface is connected to an edge of the second upper straight surface facing the outside, and the curved surface transits the first upper straight surface and the second upper straight surface, so that the air circulation channel has a good transition area, thereby reducing the obstruction to the air circulation, increasing the air circulation rate in the air circulation channel, and further improving the heat dissipation effect of the charging stand 1.

According to an embodiment of the present invention, the cross-sectional area of the air circulation channel gradually decreases from the outside to the inside along the wall thickness of the housing 11, and the air circulation channel is configured to have a structure in which the cross-sectional area gradually decreases from the outside to the inside, so that the flow velocity of the air in the air circulation channel can be increased by decreasing the cross-sectional area, and the flow velocity of the air flow can be increased by decreasing the cross-sectional area of the air circulation channel when the flow rate of the air is constant, so that the air in the air circulation channel can flow at a higher rate, and the heat dissipation effect of the charging dock 1 is improved.

The charging stand 1 according to another embodiment of the present invention is briefly described below.

The charging seat 1 according to the present invention includes a casing 11, the casing 11 includes a bottom for supporting the charging seat 1 to stand, and a top disposed opposite to the bottom, a housing space for housing electrical components is disposed inside the casing 11, the casing 11 includes a casing front portion and a casing rear portion disposed opposite to each other, and a casing side portion disposed between the casing front portion and the casing rear portion, the casing front portion is disposed with a mating portion 13 for connecting with a battery pack, the mating portion 13 includes a polar seat body 131, the polar seat body 131 has a supporting surface 131a, a plurality of bosses 133 extending from the supporting surface 131a to the top of the casing 11, and electrode tabs 132 extending from top surfaces 133a of the bosses 133 to the top of the casing 11, the supporting surface 131a is disposed obliquely from outside to inside along a wall thickness of the casing 11, and top surfaces 133a of the bosses 133 are higher than the supporting surface 131 a.

The electric connection part 13a of the connection part 13 may include a pole socket body 131, the pole socket body 131 has a supporting surface 131a, the supporting surface 131a is provided with a plurality of bosses 133 extending to the top of the housing 11, the pole socket body 131 serves as a base for the electric connection part 13a, the pole socket body 131 is provided with the supporting surface 131a, the supporting surface 131a may be the upper surface of the pole socket body 131, the upper surface of the pole socket body 131 may be provided with a plurality of bosses 133, the top surface 133a of each boss 133 is provided with an electrode sheet 132 in a protruding manner, the arrangement of the bosses 133 may protect the electrode sheets 132, when rainwater covers the supporting surface 131a, roots of the plurality of electrode sheets 132 may be spaced apart, and the roots of the electrode sheets 132 and the supporting surface 131a are prevented from being on the same horizontal plane.

The support surface 131a is inclined from the outside to the inside along the wall thickness of the housing 11 toward the top of the housing 11, and the top surface 133a of the boss 133 is higher than the support surface 131 a. Such setting of polar seat body 131 for when rainwater drips in holding surface 131a, can slide down along holding surface 131 a's slope, even cover certain rainfall on holding surface 131a, because top surface 133a of boss 133 is higher than holding surface 131a, the accumulational volume of rainwater can't exceed the top surface 133a of boss 133, thereby avoid leading to the short circuit in order to avoid taking place the incident owing to gathering the rainwater between the electrode slice 132, improved charging seat 1's security.

According to an embodiment of the present invention, a partition 134 extending along the arrangement direction of the electrode sheets 132 is disposed inside the electrode holder body 131, the partition 134 abuts against the supporting surface 131a, an upper edge of the partition 134 is higher than the supporting surface 131a, and waterproof grooves 1341 extending along the standing direction are respectively disposed on two sides of the supporting surface 131a of the partition 134. The upper edge and the left and right edges of the partition 134 both exceed the pole socket body 131 to limit the relative position between the mating part 13 and the housing 11, and ensure the stable mating between the mating part 13 and the housing 11.

Be provided with waterproof recess 1341 respectively in the both sides of baffle 134, be provided with on the casing 11 with waterproof recess 1341 complex arch, waterproof recess 1341 and waterproof protruding cooperation back have prolonged the sealed clearance between baffle 134 and the casing 11 to improve the sealed effect between baffle 134 and the casing 11, avoid rainwater etc. to enter into accommodation space through the clearance between baffle 134 and the casing 11.

According to an embodiment of the present invention, the first housing portion 11a is provided with a mold release hole 113, the charging seat 1 is further provided with a baffle 14, the baffle 14 is formed with a protrusion suitable for blocking the mold release hole 113, so as to improve the sealing effect of the charging seat 1, and the baffle 14 can also press the mating portion 13 when the first housing portion 11a and the second housing portion 11b are installed, so as to ensure the installation of the mating portion 13 in place, and improve the stability of the mating portion 13.

According to one embodiment, the charging stand 1 comprises a casing 11, a containing space for containing electrical components is arranged in the casing 11, a heat dissipation area 15 suitable for dissipating heat of the electrical components is formed on the outer surface of the casing 11, a heat dissipation area 15 suitable for dissipating heat of the electrical components is arranged on the casing 11, a recess 11c is arranged on the casing 11, the recess 11c comprises a bottom wall 11c1 and a side wall extending upwards from the bottom wall 11c1, the heat dissipation area 15 is arranged on the bottom wall 11c1 or/and the side wall of the recess 11c, and the heat dissipation area 15 comprises a plurality of heat dissipation holes 151 communicated with the containing space and the external space.

The charging seat 1 of the invention can be installed outdoors, the electrical components in the shell 11 generate heat when working, in order to ensure the reliability of the charging seat 1 and avoid the overheating of the charging seat 1, the outer surface of the shell 11 is provided with the heat dissipation area 15 for dissipating the heat of the electrical components, and the heat dissipation area 15 can lead out the heat generated by the electrical components in the shell 11, thereby avoiding the heat accumulation in the shell 11 to generate overhigh heat in the shell 11 and improving the reliability of the charging seat 1.

The housing 11 is provided with a recess 11c, the recess 11c may include a bottom wall 11c1 and a side wall provided at the outer periphery of the bottom wall 11c1 and extending in a direction away from the bottom wall 11c1, the recess 11c may be provided on the bottom wall 11c1 or/and the side wall of the recess 11c, and providing the recess 11c on the housing 11 and the heat dissipation area 15 on the bottom wall 11c1 or/and the side wall may be suitable for preventing rainwater from entering the interior of the housing 11 through the heat dissipation area 15 in rainy and snowy weather.

In the process of rainfall or snowfall, the heat dissipation area 15 is arranged on the bottom wall 11c1 or/and the side wall of the concave part 11c, so that rain and snow can possibly enter the concave part 11c only by meeting a certain inclination angle, and the contact between the heat dissipation area and the bottom wall 11c1 or the side wall of the concave part 11c is more difficult, and the heat dissipation area 15 is arranged on the bottom wall 11c1 or/and the side wall of the concave part 11c, so that the rain and snow prevention capability of the charging seat 1 is improved, and the reliability of the charging seat 1 is improved.

According to the charging seat 1 of the present invention, the concave portion 11c is disposed on the outer surface of the housing 11, and the heat dissipation area is disposed on the bottom wall 11c1 or/and the side wall 11c1 of the concave portion 11c, so that the charging seat 1 has good heat dissipation effect and good snow and rain protection capability, thereby improving the safety and the service life of the charging seat 1.

According to an embodiment of the present invention, the recess 11c includes a bottom wall 11c1 and an upper side wall 11c2 provided at an upper edge of the bottom wall 11c1, and the heat dissipation region 15 is provided on the bottom wall 11c1 of the recess 11 c.

In one embodiment of the present invention, the charging stand 1 may be disposed standing, the depression 11c is disposed in the circumferential direction of the case 11 and depressed toward the inside of the case 11, the opening of the depression 11c may be opened toward the horizontal direction, the bottom wall 11c1 of the depression 11c may extend in the vertical direction, while the side wall of the depression 11c is disposed at the outer periphery of the bottom wall 11c1 and extends in the direction away from the inside of the case 11, there are an upper side wall 11c2 near the top of the case 11 and a lower side wall near the bottom of the case 11 in the side wall, the upper side wall 11c2 and the lower side wall may be disposed facing each other, and the first side wall and the second side wall connecting the upper side wall 11c2 and the lower side wall.

The heat dissipation area 15 may be disposed on the bottom wall 11c1 of the recess 11c, so that the heat dissipation area 15 is disposed in the recess 11c at a position closest to the inside of the housing 11 to reduce the probability of rainwater entering the housing 11 through the heat dissipation area 15, and rainwater needs to bypass the upper side wall 11c2 of the recess 11c to enter the inside of the housing 11 through the heat dissipation area 15, i.e., rainwater needs to incline at a considerable angle to bypass the upper side wall 11c2, which also makes the upper side wall 11c2 completely block rainwater in case of general rainfall, thereby preventing rainwater from entering the inside of the housing 11 through the heat dissipation area 15.

According to an embodiment of the present invention, the heat dissipation area 15 is disposed on the first side wall and/or the second side wall of the housing 11, and the disposition of the heat dissipation area 15 on the first side wall and/or the second side wall of the housing 11 can reduce the probability of rainwater entering into the housing 11 through the heat dissipation area 15, rainwater needs to bypass the upper side wall 11c2 of the recess 11c to enter into the interior of the housing 11 through the heat dissipation area 15, and rainwater also needs to incline at a considerable angle to bypass the upper side wall 11c2, which also makes the upper side wall 11c2 completely block rainwater in case of general rainfall, thereby preventing rainwater from entering into the interior of the housing 11 through the heat dissipation area 15.

In the embodiment of the present invention, the heat dissipation area 15 may be disposed on the bottom wall 11c1, the first side wall and the second side wall, and the disposition of the heat dissipation area 15 in the above areas helps to increase the heat dissipation area of the charging dock 1, thereby increasing the heat dissipation effect of the charging dock 1. The arrangement of the heat dissipation area 15 on the bottom wall 11c1, the first side wall and the second side wall can also reduce the probability of rainwater entering the charging stand 1, and the charging stand 1 has good reliability.

According to an embodiment of the present invention, the housing 11 comprises a bottom for supporting the charging stand to stand, and a top disposed opposite to the bottom, the side walls comprise an upper side wall 11c2 disposed near the top, and the connection between the outermost end of the upper side wall 11c2 and the lowermost end of the heat dissipation area 15 forms an angle α with the vertical direction, and satisfies: alpha is more than 0 degree and less than or equal to 60 degrees. Can be through the ascending position of degree of depth and/or heat dissipation region 15 vertical direction in diapire 11c1 of change depressed part 11c to adjust and be connected between the extreme of last lateral wall 11c2 and the lowermost extreme of heat dissipation region 15 and the ascending contained angle of vertical direction, above-mentioned contained angle can simulate as the rainwater can walk around the required inclination of last lateral wall 11c2 under the extreme, with last lateral wall 11c2 be connected between the extreme and the lowermost extreme of heat dissipation region 15 and the ascending contained angle setting of vertical direction in above-mentioned within range, can avoid most rainwater, thereby guarantee the reliability of charging seat 1. Meanwhile, the value range of alpha is set in the above range, so that the encroachment of the concave part 11c on the inner shell can be reduced as much as possible, and the spatial arrangement of the heat dissipation area 15 can also meet the heat dissipation requirement of the charging seat 1.

According to an embodiment of the present invention, the heat dissipation area 15 includes heat dissipation holes 151 disposed on an outer surface of the housing 11, the heat dissipation holes 151 are respectively communicated with the receiving space and the external space, and the heat dissipation holes 151 may be configured as through holes penetrating through the housing 11 in a thickness direction, so as to facilitate processing of the housing 11 and arrangement of the heat dissipation area 15, so that the heat dissipation area 15 dissipates heat to the charging stand 1 in an air circulation manner.

In an embodiment of the present invention, the outer ends of the heat dissipation holes are higher than the inner ends of the heat dissipation holes 151, the heat dissipation holes are inclined upward in a direction from the outside of the housing 11 to the inside of the housing 11, so as to further improve the rain-proof effect of the heat dissipation area 15, and the heat dissipation holes are configured to have a structure with a high inside and a low outside, so as to further prevent rainwater from entering the charging base 1, thereby improving the rain-proof effect of the charging base 1.

According to one embodiment of the present invention, the case 11 includes a case front portion and a case rear portion which are disposed opposite to each other, and a case side portion between the case front portion and the case rear portion, the case front portion is provided with a mating portion 13 for connection with the battery, and the air circulation passage is provided at the case side portion.

The front part of the shell, the back part of the shell and the side part of the shell can enclose a containing space for containing electrical elements, the front part of the shell can be suitable for being connected with a battery pack, the matching part 13 is arranged at the front part of the shell, so that the connection between the charging seat 1 and the battery is stable, and the connection between the battery pack and the charging seat 1 is stable.

The matching and connecting part 13 can include an electric connection matching and connecting part 13a and a fixed connection matching and connecting part 13b, wherein the electric connection matching and connecting part 13a is suitable for electrically connecting the battery pack with an electrical element in the charging seat 1, the fixed connection matching and connecting part 13b is suitable for contacting and matching the shell 11 with the battery pack so as to ensure that the relative position between the charging seat 1 and the battery pack is stable in the charging process, the electric connection matching and connecting part 13a is used for electrically connecting the battery pack with the electrical element inside the charging seat 1 in the charging process, and the fixed connection part ensures that the position between the battery pack and the charging seat 1 is relatively stable so that the battery pack can be stably charged for an electrical device through the charging seat 1.

In one embodiment of the present invention, the mating portion 13 includes a slide rail disposed at the front of the housing and adapted to be inserted into and mated with the battery pack, and a polar mount body 131, on which a plurality of electrode pads 132 adapted to be electrically connected with the battery pack are disposed. The battery pack can be provided with an insertion sheet matched with the slide rail, and in the matching process of the battery pack and the charging seat 1, the insertion sheet can be inserted into the slide rail along the extending direction of the slide rail, so that the battery pack and the charging seat 1 are stably connected, and after the insertion sheet and the slide rail are matched in place, the electrode sheet 132 on the polar seat body 131 is matched with the electric connection end on the battery pack, so that the battery pack is electrically connected with an electric appliance element in the charging seat 1.

According to an embodiment of the invention, the slide rails include a first slide rail 13b1 and a second slide rail 13b2 that are arranged at intervals, the heat dissipation area 15 is arranged between the first slide rail 13b1 and the second slide rail 13b2, the arrangement of the first slide rail 13b1 and the second slide rail 13b2 can ensure that the matching between the battery pack and the charging seat 1 is more stable, the first slide rail 13b1 and the second slide rail 13b2 can be arranged in parallel, the battery pack and the charging seat 1 can be in plug-in fit along the extending direction of the first slide rail 13b1 and the second slide rail 13b2, and meanwhile, the battery pack and the charging seat 1 can be prevented from shifting in the plug-in fit process.

The heat dissipation area 15 is arranged between the first slide rail 13b1 and the second slide rail 13b2, so that the concave part 11c on the housing 11 has a sufficient arrangement space, the concave part 11c is arranged between the first slide rail 13b1 and the second slide rail 13b2 of the housing 11, the concave part 11c can be prevented from weakening the structural strength of the first slide rail and the second slide rail, in addition, the first slide rail and the second slide rail are protruded out of the outer surface of the housing 11, rainwater entering the concave part 11c through the side surface can be reduced to a certain extent, and the rainproof effect of the charging stand 1 is improved.

In an embodiment of the present invention, after the battery pack is matched with the charging seat 1, the battery pack and the concave portion 11c are opposite to each other, and the airflow can flow through the gap between the battery pack and the concave portion 11c, so that the airflow in the heat dissipation area 15 can simultaneously dissipate heat of the battery pack and the charging seat 1, the heat dissipation area of the charging seat 1 is increased, and the overall heat dissipation effect after the battery pack is matched with the charging seat 1 is better.

According to an embodiment of the present invention, the case front is provided with a case front upper wall surface 103 connected to the upper side wall 11c2 of the recess 11c and a case front lower wall surface 104 connected to the lower side wall of the recess 11c, the case front upper wall surface 103, the case front lower wall surface 104 and the bottom wall 11c1 of the recess 11c extending in the same direction and being inclined at an angle to the vertical.

Arrange casing 11 as above-mentioned mode, can make casing 11 have lower focus after with the battery package cooperation to improve the stability behind battery package and the cooperation of charging seat 1, the slope sets up in addition and can makes charging seat 1 have good outward appearance, experiences with user's use.

Furthermore, as shown in fig. 8 and 10, the upper wall surface 103 of the front part of the housing, the lower wall surface 104 of the front part of the housing, and the bottom wall 11c1 of the recessed part 11c have the same extending direction and are inclined at an angle with the vertical direction, so that the battery pack can be more conveniently matched with the charging stand 1, and the battery pack can be obliquely inserted into the charging stand 1, thereby improving the user experience.

According to an embodiment of the present invention, the charging base 1 further includes a heat dissipation fan 16 disposed in the accommodating space, and the heat dissipation fan 16 faces the heat dissipation area 15, so as to increase the flow rate of the gas, so that the gas can rapidly pass through the heat dissipation area 15, and perform sufficient heat dissipation on the electrical components in the accommodating space of the charging base 1.

According to an embodiment of the present invention, the housing 11 is arranged in a standing manner and includes a bottom for supporting the charging stand 1 and a top arranged opposite to the bottom, an accommodating space for accommodating an electrical component is arranged inside the housing 11, a heat dissipation area 15 suitable for dissipating heat of the electrical component is formed on an outer surface of the housing 11, a recess 11c is arranged on the housing 11, and the heat dissipation area 15 is arranged on the recess 11 c; the housing 11 further includes a housing front portion and a housing rear portion which are oppositely disposed, a mating portion 13 adapted to be mated with a battery pack is disposed on the housing front portion, and the mating portion 13 includes: the battery pack comprises a slide rail and a pole seat body 131, wherein the slide rail is arranged at the front part of the shell and is suitable for being matched with the battery pack in an inserting mode, and a plurality of electrode plates 132 suitable for being electrically connected with the battery pack are arranged on the pole seat body 131.

According to the invention, the shell 11 is arranged in a standing mode, so that the space occupied by the shell 11 in the horizontal direction is smaller, the space of the shell 11 in the numerical direction is fully utilized, and the space utilization rate of the charging seat 1 is improved. Moreover, the charging seat 1 can meet the heat dissipation requirement of electrical components in the charging seat 1, and has good rainproof capability.

In one embodiment of the present invention, the heat dissipation area 15 is disposed on the bottom wall 11c1 of the recess 11c to further improve the rainproof effect of the charging dock 1 and ensure the area of the heat dissipation area 15.

According to an embodiment of the present invention, the side wall includes an upper side wall 11c2 near the top, the heat dissipation area 15 is disposed on the upper side wall 11c2, and the disposing of the heat dissipation area 15 on the upper side wall 11c2 can effectively prevent rainwater from entering into the charging stand 1, so that the rain-proof effect is good.

The battery system according to the present invention is briefly described below.

The battery system according to the present invention includes the battery pack having the power input terminal and the power output terminal, which are selectively electrically connected to the mating part 13, and the charging stand 1 according to the above-described embodiment. Because the battery system of the invention is provided with the charging seat 1 of the embodiment, the battery system has good stability, high safety and good rain-proof effect, and can be suitable for outdoor work.

The electric power tool according to the present invention is briefly described below.

The electric tool comprises a driving part, an operating part and the battery system, wherein the driving part is provided with an electricity end, the operating part is in power connection with the driving part, and an electricity output end of the battery system is electrically connected with the electricity end to supply power to the driving part.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.

In the description of the present invention, "a plurality" means two or more.

In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In the description of the invention, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (18)

1. A charging stand, comprising:

casing (11), casing (11) including be used for supporting the bottom that the charging seat stood and with the top that the bottom set up relatively, casing (11) inside is provided with the accommodation space who is used for holding electrical components, casing (11) are provided with a plurality of circulation of air passageways that run through casing (11) wall thickness, circulation of air passageway has first opening (101) with the accommodation space intercommunication and second opening (102) with the exterior space intercommunication, first opening (101) compare second opening (102) are close to the top.

2. Charging stand according to claim 1, characterized in that the housing (11) comprises a front housing part and a rear housing part which are arranged opposite to each other, and a side housing part which is arranged between the front housing part and the rear housing part, the front housing part is provided with a mating part (13) for connecting with a battery pack, and the air circulation channel is arranged on the side housing part.

3. The charging stand according to claim 2, wherein the housing (11) comprises a first housing part (11a), and a second housing part (11b) connected to the first housing part (11a), the mating part (13) being located at the first housing part (11a), the housing side being located at the second housing part (11 b).

4. Charging stand according to claim 1, characterized in that the charging stand (1) comprises several flashing portions (12), the air circulation channel being formed between two adjacent flashing portions (12).

5. Charging stand according to claim 4, characterized in that the waterproof part (12) is formed integrally with the housing (11).

6. The charging stand according to claim 4, wherein the waterproof portion (12) has a first extension portion extending from outside to inside along the wall thickness of the housing (11), and a second extension portion disposed at the inner end of the first extension portion and extending at a raised angle.

7. Charging stand according to claim 4, characterized in that a first one of two adjacent flashings (12) is closer to the top of the casing (11) than a second flashings), said first flashings having a first side surface (121) facing the second flashings, said second flashings respectively having a second side surface (122) facing the first flashings, said air circulation channel being formed between said first side surface (121) and the second side surface (122).

8. The charging dock of claim 7, wherein the second side surface (122) comprises a first lower straight surface, a second lower straight surface and a third lower straight surface which are sequentially connected in an angle, the first lower straight surface extends in an inclined manner from outside to inside to the top, the second lower straight surface is connected with the upper end of the first lower straight surface and horizontally arranged, and the third lower straight surface is vertically connected with the second lower straight surface.

9. The charging stand according to claim 8, wherein the first side surface (121) comprises a first upper straight surface, a curved surface and a second upper straight surface which are connected in sequence from outside to inside, the first upper straight surface is parallel to the second upper straight surface, and the curved surface is concave towards the top of the shell (11); the clearance between the first upper straight surface and the first lower straight surface is larger than the clearance between the second lower straight surface and the second upper straight surface.

10. Charging stand according to claim 1, characterized in that the cross-sectional area of the air flow channel tapers from the outside to the inside along the wall thickness of the housing (11).

11. Charging stand according to claim 2, characterized in that the outer surface of the front part of the casing is formed with a heat dissipation area (15) suitable for dissipating heat of the electrical components, the casing is provided with a recess (11c), the heat dissipation area (15) is provided on the bottom wall (11c1) or/and the side wall (11c2) of the recess (11 c).

12. Charging stand according to claim 11, characterized in that said recess (11c) comprises: a bottom wall (11c1) and an upper side wall (11c2) provided at an upper edge of the bottom wall (11c1), the heat dissipation region being provided on the bottom wall (11c1) of the recess (11 c).

13. Charging stand according to claim 12, characterized in that the angle between the line between the outermost end of the upper side wall (11c2) and the lowermost end of the heat dissipation area (15) and the vertical direction is α and satisfies: alpha is more than 0 degree and less than or equal to 60 degrees.

14. A charging stand, comprising: casing (11), casing (11) including be used for supporting the bottom that the charging seat stands and with the top that the bottom set up relatively, casing (11) inside is provided with the accommodation space that is used for holding electrical components, casing (11) are including the casing front portion and the casing rear portion that set up relatively, and are located the casing lateral part between casing front portion and the casing rear portion, the casing front portion sets up and is used for joining in marriage connecing portion (13) of being connected with the battery package, join in marriage connecing portion (13) and include: the electrode holder comprises an electrode holder body (131), wherein the electrode holder body (131) is provided with a supporting surface (131a), a plurality of bosses (133) extending from the supporting surface (131a) to the top of the shell (11) and electrode plates (132) extending from the top surfaces (133a) of the bosses (133) to the top of the shell (11), the supporting surface (131a) is obliquely arranged along the wall thickness of the shell (11) from outside to inside to the top of the shell (11), and the top surfaces of the bosses (133) are higher than the supporting surface.

15. The charging stand according to claim 14, wherein a partition plate (134) extending along the electrode plate arrangement direction is arranged on the inner side of the electrode stand body, the partition plate (134) abuts against the supporting surface, and the upper edge of the partition plate (134) is higher than the top surface (133a) of the boss (133).

16. The charging stand according to claim 15, wherein the partition (134) is provided with waterproof grooves (1341) on both sides thereof, respectively, extending in the standing direction.

17. A battery system, comprising:

a battery pack having a power input and a power output;

and a charging cradle (1) as defined in any of claims 2-16, said power input being selectively connectable to said mating portion (13).

18. An electric power tool, characterized by comprising:

a drive section having a useful end;

the working part is in power connection with the driving part;

and the battery system of claim 17, the power output being electrically connected to the power consumer.

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