CN213026732U - Power module and power cabinet - Google Patents

Abstract

The utility model relates to a power module and a power cabinet, wherein the power module comprises a first surface and a second surface for stacking, when different power modules are stacked, the first surface is matched with the second surface of an adjacent power module, the first surface is provided with a plugging female end, the second surface is provided with a plugging male end, and the adjacent power modules are electrically connected with each other through the plugging male end and the plugging female end; the plugging female end comprises a plurality of blind-plugging pins, and the plugging male end comprises a plurality of pin grooves matched with the blind-plugging pins one by one; the first surface still the protrusion be provided with a plurality of location archs, the second surface still be provided with protruding a plurality of positioning groove of one-to-one complex of location, two at least protruding highly inequality in location, and every protruding height in location all is higher than the height of blind stitch to make a plurality of location archs realize fixing a position earlier than the blind stitch, make the blind stitch can accurately insert in the corresponding stitch recess.

Description

Power module and power cabinet

Technical Field

The disclosure relates to the technical field of energy storage equipment, in particular to a power module and a power cabinet.

Background

The power cabinet is widely applied to many power utilization fields as a backup power supply system or an electric quantity recovery system. In recent years, as an application scenario, a cabinet type household energy storage device is widely applied in household life. The power cabinet generally includes a battery management module and a plurality of battery modules. A plurality of battery modules are stacked one on another. When the power cabinet needs to be expanded, the number of the battery modules is increased. The electric connection between the battery modules is realized through the hot plug assembly, a plurality of pins are generally arranged in the hot plug assembly, the pins need to be correspondingly inserted into the pin grooves to realize the electric connection, when the two battery modules are stacked, each pin is not easy to align to the pin grooves, when the whole weight of the battery modules acts on the pins, the pins are easy to bend, the electric connection or signal connection between the two modules fails, and therefore the stacking failure of the battery modules is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power module and power cabinet, power module can protect the stitch in the hot plug subassembly, the pile up between the power module of being convenient for.

In order to achieve the above object, the present disclosure provides a power module, where the power module includes a first surface and a second surface for stacking, when different power modules are stacked, the first surface is matched with the second surface of an adjacent power module, the first surface is provided with a plug female end, the second surface is provided with a plug male end, and different adjacent power modules are electrically connected through the plug male end and the plug female end;

the plugging female end comprises a plurality of blind-plugging pins, and the plugging male end comprises a plurality of pin grooves matched with the blind-plugging pins one by one; the first surface still is provided with a plurality of location archs, the second surface still be provided with a plurality of positioning groove of protruding one-to-one complex in location, at least two the bellied height in location is inequality, and every the bellied height in location all is higher than the height of blind plug stitch.

Optionally, the plurality of positioning protrusions include a plurality of guide pins, the plurality of positioning grooves include guide pin sleeves matched with the guide pins, the guide pins are arranged at the plug female end, and the guide pin sleeves are arranged at the plug male end.

Optionally, the positioning protrusions further include a plurality of positioning pins, the positioning grooves include positioning pin sleeves engaged with the positioning pins, and the positioning pins are higher than the guide pins.

Optionally, the number of the positioning pins and the positioning pin sleeves is at least three, the first surface and the second surface comprise a first end and a second end which are oppositely arranged along the length direction of the power supply module,

when the plugging female end is arranged on the first end of the first surface or the plugging male end is arranged on the first end of the second surface, at least two positioning pins are arranged on the first end at intervals, and at least one positioning pin is arranged on the second end.

Optionally, the strength of the locating pin is higher than the strength of the guide pin.

Optionally, a plurality of location archs enclose the fender including blind inserting, a plurality of positioning groove include with blind inserting encloses fender complex blind inserting and encloses the spacer sleeve, blind inserting enclose keep off set up in plug female end department and around blind inserting stitch with the uide pin sets up, blind inserting enclose the spacer sleeve set up in plug male end department and around stitch recess with the uide pin cover sets up, blind inserting encloses the height that keeps off and is higher than the height of blind inserting stitch, and is less than the height of uide pin.

Optionally, protruding still encloses the fender including the protection in a plurality of location, a plurality of positioning groove include with the protection encloses fender complex protection and encloses the spacer sleeve, the protection enclose the fender set up in plug female end department, the uide pin with the blind insertion enclose the fender set up in the protection encloses the fender, the protection encloses the height that keeps off and is less than the height of uide pin, and be higher than the blind insertion encloses the height of fender, the protection encloses the spacer sleeve and establishes in plug male end department, the uide pin cover with the blind insertion encloses the spacer sleeve and establishes in the protection encloses the spacer sleeve.

Optionally, an accommodating cavity is formed in the power module, a partition plate is arranged in the accommodating cavity to partition the accommodating cavity into a sealed battery accommodating cavity for accommodating electronic components and/or battery modules and an installation cavity for installing the power module, the installation cavity comprises a connecting bottom plate and an operation port communicated with the outside, the connecting bottom plate is located on the second surface, a first connecting hole is formed in the connecting bottom plate, and a second connecting hole corresponding to the first connecting hole is formed in the first surface; fasteners pass through the first connection holes and the second connection holes to fix two adjacent different power modules.

In another aspect of the present disclosure, there is also provided a power supply cabinet, which includes the power supply module described in any one of the above, and when a plurality of the power supply modules are stacked, the positioning is realized by the cooperation of the positioning protrusion and the positioning groove.

Optionally, the power cabinet further includes a power control module having a third surface, and when a plurality of power modules are stacked, the third surface of the power control module is matched with the first surface of the uppermost power module of the plurality of power modules, so as to stack the power control module with the plurality of power modules;

wherein, the third surface is provided with a plug male end and a positioning groove; the plugging male end of the third surface is matched and electrically connected with the plugging female end of the first surface of the uppermost power module in the plurality of power modules; the positioning groove is matched and positioned with the positioning bulge on the first surface of the power module on the uppermost layer in the plurality of power modules.

Optionally, the power cabinet further comprises a base having a fourth surface, and when a plurality of power modules are stacked, the fourth surface of the base is matched with the second surface of the power module at the lowest layer in the plurality of power modules, so as to stack the plurality of power modules onto the base;

the fourth surface is provided with a plugging female end and a positioning bulge; the plugging female end of the fourth surface is electrically connected with the plugging male end of the second surface of the power module at the lowest layer in the plurality of power modules in a matching manner; the positioning protrusion is matched and positioned with the positioning groove of the second surface of the power module at the lowest layer in the plurality of power modules.

The technical scheme can at least achieve the following technical effects:

pile up the power module of upside to the top of the power module of adjacent downside, and make plug male end align with the female end of plug, then slowly transfer the power module of upside, because every protruding height in location all is higher than the height of blind plug stitch, therefore, a plurality of location archs insert corresponding positioning groove at first, fix a position the power module of upside through the cooperation of protruding and positioning groove in location, guarantee that the power module of upside aligns and not appear the incline, under the prerequisite that the location can be realized in advance to the blind plug stitch in a plurality of location archs, thereby make the blind plug stitch can accurately insert corresponding stitch recess, effectively avoided because the inaccurate damage to the stitch that probably leads to the fact in location. In addition, the positioning bulges with different heights are combined to realize accurate positioning, and the positioning of each level is not required to be accurate, so that the extra processing cost of parts caused by high processing accuracy can be greatly saved.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic perspective view of a power cabinet according to an embodiment of the present disclosure;

FIG. 2 is a top view of a power module of a power cabinet of an embodiment of the present disclosure;

FIG. 3 is an enlarged schematic view at I of FIG. 2;

fig. 4 is a schematic perspective view of a plugging female end of a power cabinet according to an embodiment of the disclosure;

FIG. 5 is a bottom view of a power module of a power cabinet of one embodiment of the present disclosure;

FIG. 6 is an enlarged schematic view at II of FIG. 5;

fig. 7 is an exploded view of two adjacent power modules according to an embodiment of the disclosure, in which a plug female end is partially cut away;

FIG. 8 is an enlarged schematic view at III of FIG. 7;

fig. 9 is a schematic diagram of the mating of two adjacent power modules according to an embodiment of the disclosure, in which the plug assembly is partially cut away.

Description of the reference numerals

100-a power supply cabinet; 10-plugging a female end; 11-blind-mate pins; 12-a guide pin; 13-blind insertion of enclosure; 14-a guide block; 15-protective fencing; 151-flanging part; 20-plugging a male end; 21-stitch groove; 22-guide pin bush; 23-blind insertion of the surrounding retaining sleeve; 24-a guide sleeve; 25-protective enclosure retaining sleeves; 30-a positioning pin; 31-positioning pin sleeves; 41-a first end; 42-a second end; 51-a power control module; 52-battery management module; 53-a power supply module; 531-first surface; 532-a second surface; 54-a base; 60-a fastener; 80-mounting a cavity; 81-connecting the bottom plate; 82-an operation port; 831-first connection hole; 832-second connection hole.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the use of directional words such as "up and down" generally refers to "up and down" of the power cabinet 100 in the use state, and specifically, reference may be made to the directions of the drawings as shown in fig. 1 and 7. "top" refers to a portion of the upper side of the power module 53, and "bottom" refers to a portion of the lower side of the power module 53. The terms "inside and outside" refer to the inside and outside of the profile of the relevant component. In addition, the terms "first", "second", and the like used in the embodiments of the present disclosure are for distinguishing one element from another, and have no order or importance.

The height in the following is the height protruding from the surface of the module or protruding from the bottom or top of the plug assembly along the up-down direction.

In the present disclosure, there is provided a power module 53 and a power cabinet 100 including the stacked plurality of power modules 53, as shown in fig. 1 to 9, the power cabinet 100 includes the plurality of power modules 53 stacked in order in an up-down direction. The power supply modules 53 comprise a first surface 531 and a second surface 532 for stacking, when different power supply modules 53 are stacked, the first surface 531 is matched with the second surface 532 of an adjacent power supply module, the first surface 531 is provided with a plugging female end 10, the second surface 532 is provided with a plugging male end 20, and the adjacent power supply modules 53 are electrically connected with each other through the plugging male end 20 and the plugging female end 10;

the plugging female end 10 comprises a plurality of blind-mate pins 11, and the plugging male end 20 comprises a plurality of pin grooves 21 which are matched with the blind-mate pins 11 one by one; the first surface 531 is further provided with a plurality of positioning protrusions in a protruding mode, the second surface 532 is further provided with a plurality of positioning grooves matched with the positioning protrusions one by one, the heights of at least two positioning protrusions are different, and the height of each positioning protrusion is higher than the height of the blind pin 11, so that the positioning protrusions can be used for realizing positioning before the blind pin 11.

The plug assembly comprises a plug female end 10 and a plug male end 20 which are matched with each other. Optionally, the pluggable component can be a hot-pluggable component, so that the pluggable performance is improved.

Through foretell technical scheme, stack the power module 53 of upside to the top of the power module 53 of adjacent downside, and make plug public end 20 align with plug female end 10, then slowly transfer the power module 53 of upside, because every protruding height in location all is higher than the height of blind plug stitch 11, therefore, a plurality of location archs insert corresponding positioning groove at first, fix a position the power module 53 of upside through the cooperation of location arch and positioning groove, guarantee that the power module 53 of upside aligns and does not appear the skew, under the prerequisite that a plurality of location archs can realize the location in advance of blind plug stitch 11, thereby make blind plug stitch 11 can accurately insert in corresponding stitch groove 21, effectively avoided because the inaccurate damage to the stitch that probably causes in the location. In addition, the positioning bulges with different heights are combined to realize accurate positioning, and the positioning of each level is not required to be accurate, so that the extra processing cost of parts caused by high processing accuracy can be greatly saved.

In one embodiment, as shown in fig. 3 to 6, the plurality of positioning protrusions include a plurality of guide pins 12, the plurality of positioning grooves include guide pin sleeves 22 engaged with the guide pins 12, the guide pins 12 are disposed at the plug female end 10, the blind-plug pins 11 are disposed between the plurality of guide pins 12, and the guide pin sleeves 22 are disposed at the plug male end 20.

When assembling the power cabinet 100, stack the power module 53 to the top of the power module 53 of downside, because the height of uide pin 12 is higher than the height of blind plug stitch 11, consequently, a plurality of uide pins 12 insert corresponding uide pin cover 22 at first, come to fix a position the power module 53 of upside through uide pin 12 and uide pin cover 22, guarantee that the power module 53 of upside aligns and do not appear the incline, thereby make blind plug stitch 11 can accurately insert in corresponding stitch recess 21 under this prerequisite, effectively avoided because the inaccurate damage to the stitch that probably causes of location. Moreover, the blind pin 11 is arranged between the guide pins 12, so that the blind pin 11 can be positioned more accurately at the position.

The specific structure of the guide pin sleeve 22 is not limited in this disclosure, and may be configured as a guide hole opened on a projection or a housing of the module, or may be configured as a cylindrical structure provided in a projection.

In order to further increase the accuracy of the positioning, as shown in fig. 7 and 9, the positioning projection further includes a plurality of positioning pins 30, the plurality of positioning grooves includes positioning pin sleeves 31 fitted to the positioning pins 30, and the positioning pins 30 have a height higher than that of the guide pins 12.

Since the positioning pins 30 are higher than the guide pins 12, when the power module 53 located at the upper side is stacked on the power module 53 located at the lower side, the positioning pins 30 are inserted into the corresponding positioning pin sleeves 31 to realize the first-stage positioning, and then the guide pins 12 are inserted into the corresponding guide pin sleeves 22 to realize the second-stage positioning. After the two-stage positioning alignment is realized, the blind-mate pins 11 are inserted into the corresponding pin grooves 21, so that accurate positioning between the two power modules 53 can be ensured, the blind-mate pins 11 can be accurately inserted into the corresponding pin grooves 21, damage to the pins due to inaccurate positioning can be effectively avoided, and a large amount of time for adjusting the mounting hole positions of the power modules 53 on site can be saved. On the other hand, the positioning pin 30 protruding from the surface of the power module 53 is used for primary positioning, so that the positioning can be quickly and accurately performed when the power module is stacked, and the operation is convenient.

In order to protect the electronics in the plug assembly to the maximum extent, the positioning pin 30 is designed as a cylindrical part with a higher strength than the guide pin 12.

In the present disclosure, there is no limitation on the specific number of the positioning pins 30, and for example, two positioning pins 30 may be provided, which are respectively provided at two corners of the power module 53, so that the positioning can be achieved.

In order to ensure accurate positioning of the male and female plug ends 20 and 10, in one embodiment of the present disclosure, as shown in fig. 7, the number of the positioning pins 30 and the positioning pin sleeves 31 is at least three, and the first surface 531 includes a first end and a second end disposed opposite to each other along the length direction of the power module 53. When the plug female end 10 is disposed on the first end of the first surface 531, at least two positioning pins 30 are disposed on the first end 41 at intervals, and at least one positioning pin 30 is disposed on the second end 42. The male plug end 20 and the female plug end 10 of the plug assembly are disposed on the first end 41 of the module, two positioning pins 30 are disposed at the first end 41 at intervals, and one positioning pin 30 is disposed on the second end 42. Alternatively, the module is constructed as a block structure with three locating pins 30 each disposed on a corner of the top or bottom surface of the block structure.

The three positioning pins 30 and the corresponding positioning pin sleeves 31 are arranged, so that the mutual reference positioning reference is less, and the stacking operation is easier. Moreover, the two positioning pins 30 are arranged on the first end 41 provided with the plugging assembly, so that the positioning of the first end 41 can be more accurate, the first end 41 and the second end 42 of the power module 53 can be conveniently identified, and the phenomenon that the left end and the right end of the power module 53 are reversely stacked when being stacked is avoided, so that the blind plugging pins 11 are further protected.

In order to further ensure accurate positioning between the plug male end 20 and the plug female end 10, as shown in fig. 3 and 4, the positioning protrusions include blind-insertion surrounding barriers 13, the positioning grooves include blind-insertion surrounding barriers 23 matched with the blind-insertion surrounding barriers 13, the blind-insertion surrounding barriers 13 are arranged at the plug female end 10 and are arranged around the blind-insertion pins 11, the blind-insertion surrounding barriers 23 are arranged at the plug male end 20 and are arranged around the pin grooves 21, and the height of the blind-insertion surrounding barriers 13 is higher than that of the blind-insertion pins 11 and is lower than that of the guide pins 12. The guide pins 12 are arranged outside the blind-insertion surround 13. Enclose fender 13 through setting up the blind plug and enclose the stitch and keep off, when bumping, can protect the stitch that is located wherein to a certain extent.

When stacking the power modules 53, because the heights of the guide pins 12, the blind insertion barriers 13 and the blind insertion pins 11 are sequentially reduced, when the power module 53 at the upper side is lowered, the guide pins 12 are firstly inserted into the corresponding guide pin sleeves 22, then the blind insertion barriers 13 are inserted into the corresponding blind insertion barrier sleeves 23, and after the positioning of the two parts is completed, the blind insertion pins 11 are inserted into the corresponding pin grooves 21, so that the blind insertion pins 11 can be ensured to be aligned with the corresponding blind insertion pin 11 holes, and the pin damage caused by inaccurate positioning during stacking is avoided.

In order to increase the connection strength between two plugs and simultaneously further increase the positioning accuracy between the plug assemblies on two adjacent power modules 53, as shown in fig. 4, a guide block 14 is further convexly arranged in the blind-insertion enclosure 13, the guide block 14 extends in the up-down direction, and the height of the guide block 14 is higher than that of the blind-insertion pins 11. The height of the guide block 14 may be greater than, less than or equal to the height of the blind-insertion fence 13. Optionally, the height of the guide block 14 is smaller than the height of the blind-insertion fence 13.

The blind-mate pins 11 are arranged between the blind-mate enclosure 13 and the guide block 14, the cross-sectional area of the guide block 14 is gradually reduced in a direction away from the surface of the power module 53, and the outer circumference of the guide block 14 is configured as a tapered surface. A guide sleeve 24 matched with the guide block 14 is arranged in the blind insertion surrounding retaining sleeve 23. The tapered surface of the guide block 14 can provide a guide for the stacking process.

Taking the example that the height of the guide block 14 is smaller than the height of the blind-insertion surrounding barrier 13 as an example, when stacking the power modules 53, because the heights of the guide pins 12, the blind-insertion surrounding barrier 13, the guide block 14 and the blind-insertion pins 11 are sequentially reduced, when the power module 53 on the upper side is lowered, the guide pins 12 are firstly inserted into the corresponding guide pin sleeves 22, then the blind-insertion surrounding barrier 13 is inserted into the corresponding blind-insertion surrounding barrier sleeves 23, then the guide block 14 is matched with the guide, and after the three components are positioned and aligned, the blind-insertion pins 11 are inserted into the corresponding pin grooves 21. Thus, it is ensured that the blind-mate pins 11 can be aligned with the corresponding blind-mate pin 11 holes, thereby avoiding pin damage due to positioning inaccuracies when stacking.

In order to protect electronic components such as pins in the plug assembly, in an embodiment, the multi-stage positioning protrusion further includes a protective enclosure 15, and the plurality of positioning grooves include a protective enclosure sleeve 25 engaged with the protective enclosure 15, as shown in fig. 4, the protective enclosure 15 is disposed at the plug female end 10. The guide pin 12 and the blind insertion surrounding barrier 13 are arranged in a protective surrounding barrier 15, and the height of the protective surrounding barrier 15 is lower than that of the guide pin 12 and higher than that of the blind insertion surrounding barrier 13. As shown in fig. 6 and 9, the protective enclosure sleeve 25 is disposed at the plug male end 20, and the guide pin sleeve 22 and the blind-insertion enclosure sleeve 23 are disposed in the protective enclosure sleeve 25.

Because the height of the protective enclosure 15 is lower than that of the guide pin 12, when the protective enclosure is positioned, the guide pin 12 is firstly inserted into the corresponding guide pin sleeve 22 for positioning, and the situation that the protective enclosure 15 is damaged due to collision caused by inaccurate positioning can be effectively avoided. Moreover, compared with the method for aligning the protective enclosure 15 with the corresponding protective enclosure sleeve 25, the cylindrical guide pin 12 is aligned with the corresponding guide pin sleeve 22, so that the guide pin is more quickly aligned and positioned during operation. Further, the guide pins 12 are provided in the guard fence 15, so that the power module 53 can be prevented from damaging the electronic components such as the guide pins 12 and the blind-plug pins 11 located therein when it is collided with from the side direction.

In order to achieve a better waterproof effect, in one embodiment, as shown in fig. 7, the first surface 531 is the top of the power module 53, the second surface 532 is the bottom of the power module 53, the protective enclosure 15 is disposed protruding from the first surface 531, the bottom of the power module 53 is recessed upward to form the protective enclosure 25, and the protective enclosure 15 is inserted into the protective enclosure 25. Therefore, even if the power cabinet 100 encounters water flow, the water flow enters the surface matched between the two power modules 53, because the protective enclosure 15 protrudes from the top of the power module 53 on the lower side, the water flow cannot enter the protective enclosure 15, thereby protecting the electronic components such as pins in the protective enclosure 15, and further, because the bottom of the power module 53 is recessed upwards to form the protective enclosure sleeve 25, rather than forming the protective enclosure sleeve 25 by directly opening a hole at the bottom of the power module 53, the water flow can be effectively prevented from flowing into the power module 53 on the upper side from the protective enclosure sleeve 25. Therefore, the protective enclosure 15 and the protective enclosure sleeve 25 can play an effective waterproof role through the protection.

In order to increase the contact area between the protective enclosure 15 and the protective enclosure sleeve 25, as shown in fig. 4, the opening of the protective enclosure 15 is provided with a flanging part 151, the flanging part 151 is arranged around the opening and extends towards the outer side of the protective enclosure 15, as shown in fig. 9, the flanging part 151 abuts against the top of the protective enclosure sleeve 25, so that the contact area between the protective enclosure 15 and the protective enclosure sleeve 25 is increased, the stacking is more stable, the strength of the opening of the protective enclosure 15 is increased, and the deformation of the opening of the protective enclosure 15 is not easy to occur.

There is no limitation in this disclosure as to how two adjacent power supply modules 53 are connected, and how appropriate the connection between two power supply modules 53 will be achieved may be employed. In one embodiment, as shown in fig. 1, 7 and 8, a containing cavity is arranged in the power module 53, a partition plate is arranged in the containing cavity to divide the containing cavity into a sealed battery containing cavity for containing electronic components and/or battery modules and a mounting cavity 80 for mounting the power module 53, and the mounting cavity 80 is provided with a connecting bottom plate 81 and an operation port 82 communicated with the outside. Access opening 82 facilitates insertion of a wrench or the like into mounting cavity 80 to tighten fastener 60. The connection base 81 has a first connection hole 831, the connection base 81 is disposed on the second surface 532, the first surface 531 has a second connection hole 832 corresponding to the first connection hole 831, and the fastener 60 passes through the first connection hole 831 and the second connection hole 832 to connect two adjacent power modules 53. The fasteners 60 may be one or more of rivets, screws, or screws and washers. In one embodiment, as shown in FIG. 8, the fastener 60 is a screw with a lock washer placed over the screw.

Optionally, in one embodiment, the mounting cavities 80 are respectively disposed at two ends of the power module 53, and one fastener 60 is disposed in each mounting cavity 80. When the two power modules 53 are accurately positioned, the two power modules 53 can be connected and fixed by the two fasteners 60.

After the power module 53 on the upper side is accurately positioned on the power module 53 on the lower side through the positioning pin 30, the guide pin 12, the protective enclosure 15, the blind insertion enclosure 13 and other components, the two power modules 53 can be fixedly connected only by the fastener 60 passing through the first connecting hole 831 and the second connecting hole 832 for threaded connection, and the operation is convenient and fast.

As shown in fig. 1, according to another aspect of the present disclosure, there is also provided a power supply cabinet 100, which includes the above power supply module 53, and when a plurality of power supply modules 53 are stacked, the positioning is realized by the cooperation of the above positioning protrusions and the corresponding positioning grooves.

As shown in fig. 1, the power supply cabinet 100 further includes a power supply control module 51 for managing charging and discharging of the power supply module, the power supply control module 51 having a third surface, and when the plurality of power supply modules 53 are stacked, the third surface of the power supply control module 51 cooperates with the first surface 531 of the uppermost power supply module 53 among the plurality of power supply modules 53 to stack the power supply control module 51 with the plurality of power supply modules 53.

Wherein, the third surface is provided with a plug male end 20 and a positioning groove; the male plug end 20 of the third surface is electrically connected with the female plug end 10 of the first surface 531 of the uppermost power module 53 among the plurality of power modules 53 in a matching manner; the positioning groove is positioned in cooperation with the positioning protrusion of the first surface 531 of the uppermost power module 53 among the plurality of power modules 53.

As shown in fig. 1, the power cabinet 100 further includes a base 54, the base 54 has a fourth surface, and when the plurality of power modules 53 are stacked, the fourth surface of the base 54 cooperates with the second surface 532 of the power module 53 at the lowest layer among the plurality of power modules 53 to stack the plurality of power modules 53 on the base 54;

wherein, the fourth surface is provided with a plugging female end 10 and a positioning bulge; the plugging female end 10 of the fourth surface is electrically connected with the plugging male end 20 of the second surface 532 of the power module 53 at the lowest layer in the plurality of power modules 53 in a matching manner; the positioning projection is positioned in cooperation with the positioning groove of the second surface 532 of the lowermost power module 53 among the plurality of power modules 53.

The base 54 is located below the power module 53 and includes a box and a ground wire located in the box, and the ground wire is electrically connected to the power module 53 to perform ground processing on the modules in the power cabinet 100, thereby improving power consumption safety. It will be appreciated that the electrical connection between the base 54 and the module above it is made by a plug assembly.

Set up base 54 through the bottom at power cabinet 100 and support each module for the installation that is located these modules of base 54 top is more convenient, supports certain clearance between the plane of placing of module and power cabinet 100 simultaneously, reaches dampproofing and waterproofing's purpose, thereby guarantees to be located the security of bottommost module and even whole power cabinet 100, and can prolong power cabinet 100's life. The power module 53 is used for providing energy, and the battery management module 52 performs charge and discharge management, safety management, power extraction, and the like on the power module 53 in the power cabinet 100.

In one embodiment of the present disclosure, the positioning pin 30 is disposed on the top of the module 72 located at the lower side, and the rated pin bushing 31 engaged with the positioning pin 30 is disposed on the bottom of the module 71 located at the upper side. The plug female end 10 comprises a protection surrounding barrier 15, a blind-insertion surrounding barrier 13, a guide pin 12 and a blind-insertion pin 11, and correspondingly, the plug male end 20 comprises a protection surrounding barrier sleeve 25, a blind-insertion surrounding barrier sleeve 23, a guide pin sleeve 22 and a blind-insertion pin 11 sleeve. When assembling the power cabinet 100, firstly, the positioning pin 30 is matched with the positioning pin sleeve 31 to realize primary positioning; then, the guide pin 12 is matched with the guide pin sleeve 22 to realize secondary positioning; then, the protective enclosure 15 is matched with the protective enclosure sleeve 25 to realize three-level positioning; and then, the blind-insertion surrounding baffle 13 is matched with the blind-insertion surrounding baffle 13 to realize four-stage positioning. After the four-stage positioning is realized, the blind-insertion pins 11 are inserted into the corresponding pin grooves 21, so that the damage to the pins caused by inaccurate positioning is effectively avoided. Moreover, the precise positioning is realized by combining the multi-level positioning, and the positioning of each level is not required to be very precise, so that the extra processing cost of parts caused by high processing precision can be greatly saved.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (11)

1. A power module is characterized in that the power module (53) comprises a first surface (531) and a second surface (532) for stacking, when different power modules (53) are stacked, the first surface (531) is matched with the second surface (532) of an adjacent power module, a plugging female end (10) is arranged on the first surface (531), a plugging male end (20) is arranged on the second surface (532), and the adjacent power modules (53) are electrically connected with each other through the plugging male end (20) and the plugging female end (10) in a matching way;

the plugging female end (10) comprises a plurality of blind-plugging pins (11), and the plugging male end (20) comprises a plurality of pin grooves (21) which are matched with the blind-plugging pins (11) one by one; the first surface (531) is further provided with a plurality of positioning protrusions, the second surface (532) is further provided with a plurality of positioning grooves which are matched with the positioning protrusions one by one, the heights of the positioning protrusions are different, and each height of the positioning protrusions is higher than the height of the blind pin (11).

2. The power supply module according to claim 1, wherein the plurality of positioning protrusions comprise a plurality of guide pins (12), the plurality of positioning grooves comprise guide pin sleeves (22) matched with the guide pins (12), the guide pins (12) are arranged at the plugging female end (10), and the guide pin sleeves (22) are arranged at the plugging male end (20).

3. The power supply module according to claim 2, wherein the plurality of positioning protrusions further comprise a plurality of positioning pins (30), the plurality of positioning grooves comprise positioning pin sleeves (31) engaged with the positioning pins (30), and the positioning pins (30) have a height higher than that of the guide pins (12).

4. A power supply module according to claim 3, characterized in that the number of said positioning pins (30) and said positioning pin sleeves (31) is at least three, said first surface (531) comprising a first end (41) and a second end (42) arranged opposite each other in a direction along the length of said power supply module (53),

when the plugging female end (10) is arranged on the first end (41) of the first surface (531), at least two positioning pins (30) are arranged on the first end (41) at intervals, and at least one positioning pin (30) is arranged on the second end (42).

5. A power supply module according to claim 3, characterized in that the strength of the positioning pin (30) is higher than the strength of the guide pin (12).

6. The power supply module according to claim 2, wherein the plurality of positioning protrusions comprise a blind-insertion fence (13), the plurality of positioning grooves comprise blind-insertion fence sleeves (23) matched with the blind-insertion fence (13), the blind-insertion fence (13) is arranged at the plug female end (10) and around the blind-insertion pins (11) and the guide pins, the blind-insertion fence sleeves (23) are arranged at the plug male end (20) and around the pin grooves (21) and the guide pin sleeves, and the height of the blind-insertion fence (13) is higher than the height of the blind-insertion pins (11) and lower than the height of the guide pins (12).

7. The power supply module according to claim 6, wherein the plurality of positioning protrusions further comprise a protective enclosure (15), the plurality of positioning grooves comprise a protective enclosure sleeve (25) matched with the protective enclosure (15), the protective enclosure (15) is arranged at the plug female end (10), the guide pin (12) and the blind-insertion enclosure (13) are arranged in the protective enclosure (15), the height of the protective enclosure (15) is lower than that of the guide pin (12) and higher than that of the blind-insertion enclosure (13), the protective enclosure sleeve (25) is arranged at the plug male end (20), and the guide pin sleeve (22) and the blind-insertion enclosure sleeve (23) are arranged in the protective enclosure sleeve (25).

8. The power module according to claim 1, wherein a containing cavity is formed in the power module (53), a partition plate is arranged in the containing cavity to partition the containing cavity into a sealed battery containing cavity for containing electronic components and/or battery modules and a mounting cavity (80) for mounting the power module (53), the mounting cavity (80) comprises a connecting bottom plate (81) and an operation port (82) communicated with the outside, the connecting bottom plate (81) is located on the second surface (532), a first connecting hole (831) is formed in the connecting bottom plate (81), and a second connecting hole (832) corresponding to the first connecting hole (831) is formed in the first surface (531); a fastener (60) passes through the first connection hole (831) and the second connection hole (832) to fix the adjacent power module (53).

9. A power supply cabinet characterized by comprising the power supply module (53) as claimed in any one of claims 1 to 8, wherein a plurality of the power supply modules (53) are positioned by the fitting of the positioning projections and the positioning grooves when stacked.

10. The power cabinet according to claim 9, wherein the power cabinet (100) further comprises a power control module (51), the power control module (51) having a third surface, the third surface of the power control module (51) cooperating with the first surface (531) of the uppermost one of the plurality of power modules (53) when the plurality of power modules (53) are stacked to stack the power control module (51) with the plurality of power modules (53);

wherein, the third surface is provided with a plug male end (20) and a positioning groove; the plugging male end (20) of the third surface is matched and electrically connected with the plugging female end (10) of the first surface (531) of the uppermost power module (53) in the plurality of power modules (53); the positioning groove is matched and positioned with the positioning bulge of the first surface (531) of the power supply module (53) at the uppermost layer in the plurality of power supply modules (53).

11. The power cabinet according to claim 10, wherein the power cabinet (100) further comprises a base (54), the base (54) having a fourth surface, when a plurality of the power modules (53) are stacked, the fourth surface of the base (54) cooperating with the second surface (532) of the power module (53) of the lowermost layer among the plurality of power modules (53) to stack the plurality of power modules (53) onto the base (54);

the fourth surface is provided with the plugging female end (10) and a positioning bulge; the plugging female end (10) of the fourth surface is matched and electrically connected with the plugging male end (20) of the second surface (532) of the power module (53) at the lowest layer in the plurality of power modules (53); the positioning protrusion is matched and positioned with the positioning groove of the second surface (532) of the power module (53) at the lowest layer in the plurality of power modules (53).

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