CN217522156U - Battery changing module, electric operation machine and battery changing station - Google Patents

Abstract

The utility model relates to a remove energy storage equipment technical field, provide a trade electrical module, electronic operation machinery and trade the station. Should trade the battery module and include: the battery box comprises at least two battery boxes, wherein the at least two battery boxes are stacked, and the top of each battery box is provided with a sealing ring for sealing with an upper battery box; the top cover plate is arranged on the battery box positioned on the topmost layer, and a hoisting piece is arranged on the top cover plate; the top cover plate and all the battery boxes are correspondingly provided with through holes extending along the stacking direction, and the fasteners extend through all the through holes along the stacking direction so as to detachably connect the top cover plate and all the battery boxes together. In the battery replacing module, each battery box, the top cover plate or the fastening piece can be independently moved, the difficulty of moving the battery replacing module is reduced, and the battery boxes configured in one battery replacing module can not be all put into use, so that the moving flexibility and the using flexibility are improved.

Description

Battery changing module, electric operation machine and battery changing station

Technical Field

The utility model relates to a remove energy storage equipment technical field, especially relate to a trade electrical module, electric operation machinery and trade the station.

Background

With the popularization of new energy technologies in various vehicles and electric working machines, and the development of various mobile energy storage devices, the structure of the conventional battery device can no longer meet various types of requirements.

At present, a commonly used battery device is generally of an integral structure, a group of charging interfaces and a group of discharging interfaces are arranged on the battery device, the battery device comprises a base, a frame body and a battery unit fixed in the frame body, and in order to meet the requirement of endurance, the battery device is large in weight and size, difficult to move and poor in flexibility.

SUMMERY OF THE UTILITY MODEL

The utility model provides a trade electrical module, electric operation machinery and trade power station for the weight and the volume of solving battery device among the prior art are all great, are difficult to remove, and the relatively poor defect of flexibility reduces to remove the degree of difficulty of trading electrical module, improves the flexibility of removing and using.

The utility model provides a trade electrical module, include:

the battery box comprises at least two battery boxes, wherein the at least two battery boxes are stacked, and the top of each battery box is provided with a sealing ring for sealing with an upper battery box;

the top cover plate is arranged on the battery box positioned on the topmost layer, and a hoisting piece is arranged on the top cover plate;

the top cover plate and all the battery boxes are correspondingly provided with through holes extending along the stacking direction, and the fasteners extend through all the through holes along the stacking direction so as to detachably connect the top cover plate and all the battery boxes together.

According to the utility model provides a pair of trade electrical module, two at least battery boxes include:

at least one intermediate battery box;

the bottom battery box, middle battery box setting is on the bottom battery box and the bottom of bottom battery box is provided with the charge-discharge port, and the charge-discharge port is used for corresponding the connection with the charge-discharge connector that sets up on the trade electric collet of electric operation machinery.

According to the utility model provides a pair of trade electrical module, the battery box includes:

a box body;

the battery module is arranged inside the box body;

the temperature adjusting plate is arranged inside the box body and is positioned between the battery module and the bottom plate of the box body.

According to the utility model, the side plate of the box body is provided with a liquid inlet channel and a liquid outlet channel which extend along the stacking direction,

the liquid inlet channels of the two mutually stacked box bodies are communicated, and the liquid outlet channels of the two mutually stacked box bodies are communicated;

in each box body, the liquid inlet channel is communicated with the liquid inlet of the temperature adjusting plate, and the liquid outlet channel is communicated with the liquid outlet of the temperature adjusting plate.

According to the utility model, the bottom battery box is provided with a liquid inlet and a liquid outlet,

the liquid inlet port is communicated with the corresponding liquid inlet channel, and the liquid outlet port is communicated with the corresponding liquid outlet channel;

the liquid inlet port is used for being correspondingly connected with a liquid inlet connector arranged on a battery replacing bottom support of the electric operation machine, and the liquid outlet port is used for being correspondingly connected with a liquid outlet connector arranged on the battery replacing bottom support of the electric operation machine.

According to the utility model provides a pair of trade electrical module is equipped with the locking groove on the battery box of bottom, the locking groove be used for with the electric operation machinery trade the locking jar detachably that sets up on the collet link together.

According to the utility model provides a pair of trade electrical module, the top of the curb plate of box is equipped with the seal groove, and the sealing washer card ends in the seal groove.

According to the utility model provides a battery changing module, a mounting groove is arranged on a top cover plate, and a hoisting piece is detachably arranged in the mounting groove;

the inside formation cavity of hoist and mount piece and the hole for hoist and mount has been seted up at the top to be used for locking with the battery hoist.

The utility model also provides an electric operation machine, which comprises a host machine, a battery replacing bottom support and any one of the battery replacing modules,

wherein, trade the electric collet setting on the host computer to the battery box detachably that is located the bottommost sets up on trading the electric collet.

The utility model also provides a battery replacement station, which comprises a battery lifting appliance and any one of the battery replacement modules,

wherein, trade and be provided with a plurality of electric module groups that trade in the power station to the battery hoist is used for trading electric module group through hoist and mount, trades electric module group in trading the transportation between power station and electric operation machinery, trades the electricity to electric operation machinery.

The utility model provides an in trading battery module, because be detachably pile together between this battery box and the top apron. Therefore, each battery box, the top cover plate or the fastener can be independently moved, the weight and the volume of single movement are reduced, the difficulty of moving the battery changing module is reduced, and the flexibility of movement is improved. In addition, in the battery replacement module, the total amount of the battery box can be set according to requirements. When the battery box is used, a proper number of battery boxes can be selected and stacked together according to needs, that is, all the battery boxes configured in one battery replacing module can be used or not used. Under the condition that a battery box in a battery replacing module is not fully put into use, the use requirement can be met, the whole weight and the size of the battery replacing module can be reduced, and the use flexibility is improved on the basis of improving the moving flexibility.

The embodiment of the utility model provides an in electric operation machinery and trade the power station, owing to applied as above trade the electrical module, consequently possess like above each item advantage equally, no longer describe herein.

Additional aspects and advantages of embodiments 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 embodiments of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery replacement module according to the present invention;

fig. 2 is a schematic structural diagram of an intermediate battery box of the battery swapping module according to the present invention;

fig. 3 is a schematic structural diagram of a bottom battery box of a battery changing module according to the present invention;

fig. 4 is a second schematic structural diagram of a bottom battery box of the battery swapping module according to the present invention;

fig. 5 is a schematic structural diagram of a top cover plate of the battery changing module according to the present invention;

fig. 6 is a schematic structural view of a battery replacing bottom support provided by the present invention;

reference numerals:

100: a battery replacement module;

110: a battery box; 111: a seal ring; 112: a middle battery box; 114: a sealing groove;

113: a bottom battery box; 1131: a charge and discharge port; 1132: a liquid inlet port; 1133: a liquid outlet port; 1134: a first liquid inlet pipe; 1135: a second liquid inlet pipe; 1136: a first liquid outlet pipe; 1137: a second liquid outlet pipe; 1138: a locking groove; 1139: locking the sleeve;

1101: a box body; 1102: a battery module; 1103: a temperature adjusting plate; 1104: a battery cell; 1105: copper bars are arranged; 1106: an inspection window; 1107: a liquid inlet channel; 1108: a liquid outlet channel;

120: a top cover plate; 121: hoisting a piece;

130: a fastener; 140: a through hole;

200: replacing a battery bottom support;

210: a charge and discharge connector; 220: a liquid inlet connector; 230: a liquid outlet connector;

240: a lock cylinder; 241: a positioning column; 242: and (5) steel balls.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While the embodiments of the present invention will be described with reference to fig. 1 to 6, it should be understood that the following is only an exemplary embodiment of the present invention and does not limit the present invention in any way.

Fig. 1 is a schematic structural diagram of a battery swapping module according to the present invention, please refer to fig. 1, the battery swapping module 100 includes: battery case 110, top cover plate 120, and fasteners 130. The number of the battery cases 110 is at least two, each battery case 110 is stacked together, and a sealing ring 111 is disposed on the top of each battery case 110, and the sealing ring 111 is used for sealing with the battery case 110 on the upper layer. The top cover plate 120 is disposed on the battery box 110 at the topmost layer, and a hoisting member 121 is disposed on the top cover plate 120 for hoisting the battery module 100. On the top cover plate 120 and all the battery cases 110, corresponding through-holes 140 are provided, extending in the stacking direction. The above-mentioned fasteners 130 extend in the stacking direction and pass through all the through-holes 140, thereby detachably coupling the top cap plate 120 and all the battery cases 110 together. The number of the fastening members 130 may be at least one, and the number of the through holes 140 may match the number of the fastening members 130.

In the battery module 100 according to the embodiment of the present invention, the battery box 110 and the top cover plate 120 are detachably stacked. Therefore, each battery box 110, the top cover plate 120 or the fastening member 130 can be independently moved, and the weight and the volume of a single movement are reduced, so that the difficulty of moving the battery changing module 100 is reduced, and the flexibility of the movement is improved. In addition, in the battery replacement module 100, the total amount of the battery box 110 can be set as required. When in use, an appropriate number of battery boxes 110 may be further selected and stacked together according to needs, that is, all the battery boxes 110 configured in one battery swapping module 100 may or may not be put into service. Under the condition that the battery box 110 in one battery replacing module 100 is not completely put into use, the use requirement can be met, the overall weight and the volume of the battery replacing module 100 can be reduced, and the use flexibility is improved on the basis of improving the movement flexibility.

The utility model provides a specific embodiment, the quantity of fastener 130 can be a plurality ofly, and a plurality of fasteners 130 symmetry sets up to guarantee to trade the holistic stability of electrical module 100. For example, the number of fasteners 130 may be 4, with the corresponding number of through holes 140 also being 4. The 4 through holes 140 are formed at the four corners of each battery case 110, and any one of the through holes 140 is symmetrical with the through hole 140 at the opposite corner thereof. Based on the structure, any battery box 110 in the battery replacing module 100 can still be installed at the original position after rotating by 180 degrees, so that the installation process is simpler.

The form of the fastening member 130 may be designed according to the requirement, for example, the fastening member 130 may be a bolt or a screw, and is matched with a nut to realize the connection of each battery box 110. For example, the number of the bolts or screws may be 8, the types of the bolts or screws at the four corners may be M24, and the types of the bolts or screws at the middle four corners may be M16, which is not limited in this embodiment.

Further, the bottom of the battery box 110 at the bottom layer is provided with a groove corresponding to the through hole 140, and the groove is used for accommodating the end of the bolt and the nut correspondingly connected. The design of this recess can avoid bolt tip and nut to bulge in the bottom surface of battery box 110 to keep trading level and smooth of battery module 100 bottom, be convenient for place it on the plane.

Fig. 2 is a schematic structural diagram of an intermediate battery box of a battery changing module according to the present invention, please refer to fig. 2. in an embodiment of the present invention, the battery changing module 100 can be detachably applied to an electric operating machine, and the electric energy stored in the battery changing module 100 is released by connecting the battery changing module 100 to the electric operating machine. In this embodiment, the at least two battery boxes 110 include: at least one middle battery case 112 and one bottom battery case 113. Wherein the respective intermediate battery cases 112 are stacked one on another, and all the intermediate battery cases 112 are disposed above the bottom battery case 113. The structure of each intermediate battery box 112 may be identical and thus may be arbitrarily exchanged up and down.

The electric operation machine adapted to the battery changing module 100 is provided with a battery changing base 200, and the battery changing base 200 is provided with a charging and discharging connector 210. Correspondingly, the bottom of the bottom battery box 113 is provided with an adaptive charging/discharging port 1131, and the charging/discharging port 1131 is used for being correspondingly connected with the charging/discharging connector 210, so as to charge or discharge the battery changing module 100. Further, the charge and discharge connector 210 on the battery changing base 200 is a female terminal, and the charge and discharge port 1131 on the bottom battery box 113 is a male terminal, so that the quick butt joint between the two can be realized.

In the battery replacing module 100 provided in the above embodiment, further, each battery box 110 may include: a case 1101, a battery module 1102, and a temperature-adjusting plate 1103. Both the battery module 1102 and the temperature adjusting plate 1103 are arranged inside the box 1101, and the temperature adjusting plate 1103 is located between the battery module 1102 and the bottom plate of the box 1101. The housing 1101 described above can support and protect the battery module 1102. It should be noted that the battery modules 1102 in the battery boxes 110 arranged in a stacked manner are connected by cables in many possible ways to realize series connection or parallel connection of a plurality of battery modules 1102. The plurality of battery modules 1102 are charged or discharged through the charge/discharge connector 210. According to the voltage grade and the power required by the electric equipment, the voltage grade and the electric quantity of the battery replacing module 100 can be improved by connecting the battery modules 1102 in series, and the electric quantity can be improved under the condition of unchanged voltage by connecting the battery modules 1102 in parallel.

The box 1101 can also support and protect the temperature adjustment plate 1103, and the temperature adjustment plate 1103 is used for adjusting the temperature of the battery module 1102.

In a specific embodiment, heat exchange media with different temperatures can be injected into the temperature adjustment plate 1103 according to the use environment. For example, a low-temperature heat exchange medium may be injected as a refrigerant into the temperature control plate 1103. The heat generated during the operation of battery module 1102 is taken away by the flow of the low-temperature heat exchange medium, so that the temperature of battery module 1102 is kept within a proper range, and the normal operation of battery module 1102 can be ensured. For another example, when the battery module 100 operates in a low-temperature environment, a high-temperature heat exchange medium may be injected into the temperature adjustment plate 1103. The heat is dissipated by the flow of the high-temperature heat exchange medium, so that the temperature of the battery module 1102 is increased, the temperature of the battery module 1102 is within a proper range, and the normal operation of the battery module 1102 can be ensured. The heat exchange medium is a medium that can exchange heat with the battery module 1102 through flowing, and may be, for example, a liquid or a gas, which is not limited in this embodiment.

In the battery module 100 provided in the above embodiment, the box 1101 may have a structure including a bottom plate and side plates vertically connected to respective edges of the bottom plate. The inner wall of the side plate of the box 1101 is provided with a clamping groove for clamping the battery module 1102 and the temperature adjusting plate 1103, and the battery module 1102 and the temperature adjusting plate 1103 are fixed inside the box 1101 through the clamping groove.

The battery module 1102 includes a plurality of battery units 1104, and the battery units 1104 are connected in series or in parallel through a copper bar 1105.

Based on the above embodiment, at least one access window 1106 is provided on the side panel of the box 1101. The access window 1106 may be used to pass cables to make connections between the battery modules 1102 of each battery box 110. Further, the access window 1106 may also be used to deploy a manual access switch or the like.

In a further embodiment, the material of the box 1101 may be aluminum, aluminum alloy, epoxy resin, or the like. The density of this type of material is little, and light in weight under the equal volume has realized the lightweight of battery box 110, has reduced the total weight that trades electric module 100.

Based on the battery replacement module 100 provided by the above embodiment, the side plate of the box 1101 is provided with a liquid inlet channel 1107 and a liquid outlet channel 1108, and the liquid inlet channel 1107 and the liquid outlet channel 1108 both extend along the stacking direction. The structure facilitates the corresponding communication between the liquid inlet channels 1107 between the adjacent tanks 1101 and the corresponding communication between the liquid outlet channels 1108 between the adjacent tanks 1101. Specifically, the liquid inlet passages 1107 of the two tanks 1101 stacked on each other communicate with each other, and the liquid outlet passages 1108 of the two tanks 1101 stacked on each other communicate with each other. In each tank 1101, an inlet channel 1107 is communicated with an inlet of the temperature-adjusting plate 1103, and this inlet channel 1107 is used for injecting a heat-exchanging medium into the temperature-adjusting plate 1103. The liquid outlet passage 1108 is communicated with a liquid outlet of the temperature adjusting plate 1103, and the heat exchange medium flowing out of the temperature adjusting plate 1103 flows out through the liquid outlet passage 1108.

Since the battery replacing module 100 includes a plurality of battery boxes 110 stacked, the heat exchange medium may flow from one battery box 110 to the other battery boxes 110. That is, in any one of the battery boxes 110, the heat exchange medium in the liquid inlet channel 1107 is used for flowing into the temperature adjusting plate 1103, and further, the heat exchange medium in the liquid inlet channel 1107 is also used for flowing into the liquid inlet channel 1107 of the adjacent box 1101. Correspondingly, in any battery box 110, the heat exchange medium in the temperature adjusting plate 1103 is used to flow into the liquid outlet passage 1108, and further, the heat exchange medium in the liquid outlet passage 1108 of the adjacent box 1101 can also flow into the liquid outlet passage 1108. Based on the structure of the battery box 110, the flow of the heat exchange medium between the battery boxes 110 is realized, so that the temperature of each battery module 1102 can be adjusted by using the temperature adjusting plate 1103 conveniently.

The utility model provides an embodiment, should trade among the electrical module 100 can detachably be applied to electric operation machinery, through should trade electrical module 100 and set up to this electric operation machinery, will trade the electric energy release of storing in the electrical module 100.

Fig. 3 is a first schematic structural diagram of a bottom battery box of a battery module, fig. 4 is a second schematic structural diagram of a bottom battery box of a battery module, please refer to fig. 3 to fig. 4. Fig. 3 shows the top structure of the bottom battery case 113, and fig. 4 shows the bottom structure of the bottom battery case 113. In the battery changing module 100, the bottom battery box 113 is provided with a liquid inlet 1132 and a liquid outlet 1133. Wherein, the liquid inlet port 1132 is communicated with the corresponding liquid inlet channel 1107, thereby providing a heat exchange medium for the liquid inlet channel 1107. The outlet port 1133 is communicated with the corresponding outlet channel 1108, so as to discharge the heat exchange medium flowing out from the outlet channel 1108 to the bottom battery box 113.

The charging base 200 of the electric working machine is provided with a liquid inlet connector 220 and a liquid outlet connector 230. The liquid inlet ports 1132 on the bottom battery box 113 are used for corresponding connection with the liquid inlet connector 220, so that heat exchange media can be conveyed to the liquid inlet ports 1132 through the liquid inlet connector 220. And the outlet port 1133 is used for being correspondingly connected with the outlet connector 230, so that the heat exchange medium can be output to the outlet connector 230 through the outlet port 1133. The liquid inlet connector 220 and the liquid outlet connector 230 of the charging base 200 can be connected with a liquid storage tank and the like to realize the recycling of heat exchange media.

Based on the structure, the butt joint of the heat exchange medium flow passage is realized in the butt joint process of the battery changing module 100 and the electric operation machine. During the operation of battery module 1102, the temperature of each battery module 1102 can be adjusted by temperature adjustment plate 1103 using a heat exchange medium stored in the electric working machine, thereby completing the thermal management process of battery module 1102.

Further, the liquid inlet connector 220 and the liquid outlet connector 230 on the battery changing tray 200 are female ends, and the liquid inlet port 1132 and the liquid outlet port 1133 on the bottom battery box 113 are male ends, so that the quick butt joint between the liquid inlet connector 220 and the liquid inlet port 1132 and the quick butt joint between the liquid outlet connector 230 and the liquid outlet port 1133 can be realized.

In the above embodiment, the liquid inlet 1132 inside the bottom battery box 113 is communicated with the temperature adjustment plate 1103 through the first liquid inlet pipe 1134, so as to provide a heat exchange medium for the temperature adjustment plate 1103 inside the bottom battery box 113. The inlet ports 1132 in the bottom battery box 113 are also communicated with corresponding inlet channels 1107 through a second inlet pipe 1135, the inlet channels 1107 are arranged along the stacking direction, and the upper ports of the inlet channels 1107 are used for communicating the inlet channels 1107 in the adjacent middle battery boxes 112, so as to provide heat exchange media for the temperature adjusting plates 1103 in the middle battery boxes 112.

Correspondingly, the temperature adjusting plate 1103 in the bottom battery box 113 is communicated with the liquid outlet port 1133 through the first liquid outlet pipe 1136, so that the heat exchange medium flowing out of the temperature adjusting plate 1103 in the bottom battery box 113 can be discharged. The liquid outlet channel 1108 in the bottom cell box 113 is arranged along the stacking direction, and the upper port of the liquid outlet channel 1108 is used for communicating the liquid outlet channel 1108 in the adjacent middle cell box 112 and communicating the liquid outlet port 1133 through the second liquid outlet pipe 1137, so that the heat exchange medium in the middle cell box 112 can be discharged.

In the battery replacement module 100 provided in the above embodiment, one ends of the temperature adjustment plates 1103 in the stacked battery boxes 110 are communicated with each other through the liquid inlet channel 1107, and the other ends are communicated with each other through the liquid outlet channel 1108. A heat exchange medium is supplied to the plurality of temperature control plates 1103 through the inlet connector 220. The heat exchange medium in the plurality of temperature control plates 1103 is discharged through the liquid outlet connector 230. Based on the above structure, a heat exchange medium circulation system can be formed between the liquid inlet connector 220, the liquid inlet channel 1107, the temperature adjusting plate 1103, the liquid outlet channel 1108, the liquid outlet connector 230 and the liquid storage tank in the electric working machine, and the battery module 1102 is ensured to be at an appropriate temperature through circulation of the heat exchange medium.

On trading the electric collet 200 that matches with the utility model provides a trade electric module 100, be provided with locking cylinder 240 usually. In an embodiment of the present invention, the bottom battery box 113 is provided with a locking groove 1138, the locking groove 1138 is detachably connected to the locking cylinder 240, so as to realize fast docking of the battery changing base 200. The locking cylinder 240 may be powered by electric energy, hydraulic pressure, or pneumatic pressure, and the locking and releasing operations may be implemented, but the present embodiment is not limited thereto.

Specifically, the locking cylinder 240 is located at the top of the battery changing shoe 200, and the locking groove 1138 is located at the bottom of the bottom battery box 113, and the number and the position of the locking grooves match with those of the battery changing shoe 200. For example, if the number of the locking cylinders 240 is 4, which correspond to four corners of the case 1101, the number of the locking grooves 1138 is 4, which correspond to the positions of the locking cylinders 240, so that the connection between the bottom battery box 113 and the charging tray 200 is more balanced.

The locking groove 1138 may be directly provided on the bottom of the case 1101 of the bottom battery case 113, or may be assembled to the bottom battery case 113 by another component. For example, the bottom of the bottom battery case 113 may be fitted with a locking sleeve 1139, the locking sleeve 1139 may be made of steel, one end of the locking sleeve 1139 is fitted to the bottom battery case 113 by the fastener 130, and the inner wall of the other end of the locking sleeve 1139 is provided with a locking groove 1138.

Correspondingly, the top of the locking cylinder 240 is provided with a positioning column 241 matched with the inner diameter of the locking sleeve 1139, the side wall of the positioning column 241 is provided with a plurality of steel balls 242 uniformly distributed along the circumferential direction, and the positions of the steel balls 242 are matched with the positions of the locking groove 1138. The steel balls 242 can move inward along the radial direction of the positioning post 241 until they completely enter the positioning post 241, and can also move outward along the radial direction of the positioning post 241 until they can be locked with the locking grooves 1138. In a state that the locking sleeve 1139 is sleeved on the positioning pillar 241 of the locking cylinder 240, the controller can control the steel ball 242 on the locking cylinder 240 to extend into the locking groove 1138 so as to stop the locking groove 1138, thereby quickly fixing the bottom battery box 113 on the charging tray 200. When the battery changing module 100 needs to be detached from the electric working machine, the controller can control the steel balls 242 on the locking cylinder 240 to retract from the locking grooves 1138 into the positioning posts 241, so as to unlock the locking grooves 1138, thereby rapidly detaching the bottom battery box 113 from the battery changing bottom support 200.

In an embodiment of the present invention, a sealing groove 114 is formed at the top of any side plate of the case 1101, and the sealing ring 111 is locked in the sealing groove 114 to fix the sealing ring 111 and prevent the displacement of the sealing ring 111. The sealing ring 111 on the case 1101 is used to seal another case 1101 or the top cover plate 120, thereby ensuring cleanliness and dryness of the working environment of the battery module 1102 inside the case 1101. Furthermore, the sealing ring 111 is made of rubber, so as to absorb shock to the battery box 110, and prevent the battery module 1102 from being damaged due to shock during the transferring process.

In one embodiment, the top of the side panel of the box 1101 is provided with an annular inward flange, and the sealing groove 114 is located on the inward flange, so that the space inside the box 1101 is not excessively occupied, and the sealing and damping effects are achieved.

In addition, in an embodiment of the present invention, please refer to fig. 5, a mounting groove is disposed on the top cover plate 120, and a lifting member 121 is detachably disposed in the mounting groove, so as to facilitate the maintenance and replacement of the lifting member 121. The inside of hoist and mount piece 121 forms the cavity to hoist and mount piece 121's top has seted up the lifting hole, is used for locking with the battery hoist. Specifically, the cross-sectional area of the cavity is larger than that of the hoisting hole, so that the battery lifting appliance can be clamped in the cavity. The battery hanger may include a positioning portion and a retractable locking portion, the positioning portion is inserted into the hoisting hole in a state that the locking portion is retracted into the positioning portion, and the positioning portion and the locking portion are both located in a cavity of the hoisting member 121. The clamping part is clamped in the cavity by controlling the clamping part to extend out of the positioning part, so that the battery lifting tool and the lifting piece 121 on the top cover plate 120 are locked, and the battery replacing module 100 is lifted and moved.

In an embodiment provided by the present invention, the Battery changing module 100 further includes a BMS (Battery Management System). The BMS detects battery information such as voltage, current, and temperature of each battery module 1102 and outputs the battery information to the electric working machine or the battery replacement station. Based on above-mentioned BMS, each battery module 1102 can just intelligent management and maintenance, prevents that the battery from appearing overcharging and overdischarge, prolongs the life of battery, monitors the state of battery.

Specifically, the BMS may include:

the slave board is disposed in each intermediate battery box 112, and is configured to monitor information such as cell voltage and cell temperature of the module, and transmit the information to the master board. The slave board communicates with the master board by CAN (Controller Area Network) communication or daisy-chain communication.

And the main board is arranged in the bottom Battery box 113, collects sampling information from each slave board, communicates with the whole vehicle through a low-voltage electrical interface, controls a relay in a BDU (Battery Disconnect Unit) to act, monitors various states of the Battery, and ensures the safe use of the Battery in the charging and discharging process.

The BDU is arranged in the bottom battery box 113, is connected with a whole vehicle high-voltage load and a quick charging wire harness through a high-voltage electrical interface, and comprises a pre-charging circuit, a total positive relay, a total negative relay, a quick charging relay and the like. The BDU is controlled by the main board, and the BDU can realize information interaction with the electric operation machine, the battery replacement station or the battery replacement vehicle.

The high-voltage control board can be integrated on the mainboard and can also be independent, monitors the voltage and the current of the battery pack in real time, and simultaneously has the functions of pre-charging detection and insulation detection.

In the battery replacing module 100 provided by the embodiment of the present invention, the battery box 110 and the top cover plate 120 are detachably stacked together. Therefore, each battery box 110, the top cover plate 120 or the fastening member 130 can be independently moved, so that the weight and the volume of a single movement are reduced, the difficulty of moving the battery changing module 100 is reduced, and the flexibility of movement is improved. In addition, in the battery replacement module 100, the total amount of the battery box 110 may be set as required. When in use, an appropriate number of battery boxes 110 may be further selected and stacked together according to needs, that is, all the battery boxes 110 configured in one battery swapping module 100 may or may not be put into service. Under the condition that the battery box 110 in one battery replacing module 100 is not completely put into use, the use requirement can be met, the overall weight and the volume of the battery replacing module 100 can be reduced, and the use flexibility is improved on the basis of improving the movement flexibility.

Furthermore, the locking groove 1138 is formed in the bottom battery box 113, so that the bottom battery box 113 and the battery changing base 200 can be quickly fixed and detached. By providing the seal rings 111 in the respective cases 1101, the working environment of the battery modules 1102 in the cases 1101 can be kept clean and dry.

The utility model also provides an electric operation machine, this electric operation machine include the host computer, trade the battery collet 200 and trade the battery module 100 that any kind of above-mentioned embodiment provided. Wherein, the host computer is used for carrying on the operation to the support trades electric collet 200, trades electric collet 200 support this trades electrical module 100. Specifically, the battery box 110 located at the bottommost layer is detachably disposed on the battery changing base 200. The battery swapping module 100 can supply power to the host through the battery swapping base 200. And, the battery replacing module 100 can also exchange charging and heat exchange media through the battery replacing base 200.

The battery charging base 200 can be formed by welding aluminum sheet metal parts, and has the advantages of light weight, high strength and the like. Fig. 6 is a schematic structural diagram of a battery replacing bottom bracket provided by the present invention, please refer to fig. 6, and the battery replacing bottom bracket 200 is provided with: a charge and discharge connector 210, an inlet connector 220, an outlet connector 230, and a lock cylinder 240. The charging and discharging connector 210 is used for being correspondingly connected with a charging and discharging port 1131 on the bottom battery box 113; the liquid inlet connector 220 is used for being correspondingly connected with a liquid inlet port 1132 on the bottom battery box 113; the outlet connector 230 is used for correspondingly connecting with an outlet port 1133 on the bottom battery box 113; the locking cylinder 240 includes a positioning post 241, and the positioning post 241 has a steel ball 242 for locking a locking groove 1138 at the bottom of the bottom battery box 113. The combination of the battery replacing module and the battery replacing bottom support is realized through the connection between the battery replacing bottom support 200 and the battery box 113 at the bottom.

The present embodiment does not limit the specific form of the electric working machine. Any form of electric working machine that can require the battery changing module 100 other than the specific form of electric working machine described above is included in the scope of the present invention.

In particular embodiments, the electric work machine may be various types of equipment, such as a crane, excavator, transporter, compactor, or the like.

The utility model provides an electric operation machine has guaranteed going on smoothly of operation process through adopting removable battery module 100 that trades. Because the battery replacing module 100 is a detachable structure, a proper number of battery boxes 110 can be selected and stacked together according to the requirements of the electric operation machine. Therefore, the use requirement can be met, and the overall weight and the volume of the battery replacing module 100 can be reduced, so that the battery replacing module 100 is convenient to move and has better flexibility. In addition, since the battery cases 110 and the top cover plate 120 are detachably stacked together, the battery cases 110, the top cover plate 120 or the fasteners 130 can be independently moved, so that the weight and volume of a single movement are reduced, and the difficulty in moving the battery changing module 100 is reduced.

The utility model also provides a trade the power station, should trade the power station and include that battery hoist and any one above-mentioned embodiment provide trade electrical module 100. The battery lifting tool is matched with the lifting piece 121 in the battery replacing module 100. Wherein, trade and be provided with a plurality of electric module 100 of trading in the power station to the battery hoist can trade electric module 100 through hoist and mount, trades electric module 100 in trading the transportation between power station and the electric operation machinery, trades the electricity to the electric operation machinery.

Specifically, when the battery in the electric working machine is in a state to be replaced, the battery replacing module 100 to be replaced is detached by the battery lifting tool. The battery replacing station can charge the battery replacing module 100, and the battery lifting tool lifts the battery replacing module 100 which is charged to the electric operation machine. The battery lifting tool is also used for lifting the battery replacing module 100 to be replaced into the battery replacing station for charging. Through the battery changing module 100, the electric energy in the battery changing station is transferred to the electric working machine for operation.

The utility model provides a trade power station for trade battery module 100 and charge and transport and trade battery module 100 for trading battery module 100. Because the battery replacing module 100 is of a detachable structure, the whole state of the battery replacing module 100 can be adopted for charging in the battery replacing station, and the state of a single battery box 110 can also be adopted for charging in the battery replacing station, so that the charging efficiency is improved. Simultaneously, trade electric module 100 can adopt the whole state of trading electric module 100 to transport, also can adopt single battery box 110's state to transport, reduces the weight and the volume that the single was transported, makes the transport work more nimble convenient.

In addition, in an embodiment provided in this embodiment, the power swapping station further includes: fill electric pile, should fill electric pile can directly charge for electric operation machinery. That is to say, trade the power station and integrated trade electric and charge the function, can satisfy the needs of more use scenes.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a trade electrical module which characterized in that includes:

the battery box comprises at least two battery boxes, wherein the at least two battery boxes are stacked, and the top of each battery box is provided with a sealing ring for sealing with the battery box on the upper layer;

the top cover plate is arranged on the battery box positioned on the topmost layer, and a hoisting piece is arranged on the top cover plate;

and the top cover plate and all the battery boxes are correspondingly provided with through holes extending along the stacking direction, and the fasteners extend through all the through holes along the stacking direction so as to detachably connect the top cover plate and all the battery boxes together.

2. The battery swapping module of claim 1, wherein at least two of the battery boxes comprise:

at least one intermediate battery box;

the middle battery box is arranged on the bottom battery box, a charge and discharge port is arranged at the bottom of the bottom battery box, and the charge and discharge port is used for being correspondingly connected with a charge and discharge connector arranged on a battery replacing bottom support of the electric operation machine.

3. The battery swapping module of claim 2, wherein the battery box comprises:

a box body;

the battery module is arranged inside the box body;

the temperature adjusting plate is arranged inside the box body and located between the battery module and the bottom plate of the box body.

4. The battery replacement module as recited in claim 3 wherein the side plate of the box is provided with a liquid inlet channel and a liquid outlet channel extending along the stacking direction,

the liquid inlet channels of the two mutually stacked boxes are communicated, and the liquid outlet channels of the two mutually stacked boxes are communicated;

in each box body, the liquid inlet channel is communicated with the liquid inlet of the temperature adjusting plate, and the liquid outlet channel is communicated with the liquid outlet of the temperature adjusting plate.

5. The battery changing module as claimed in claim 4, wherein the bottom battery box is provided with a liquid inlet port and a liquid outlet port,

the liquid inlet port is communicated with the corresponding liquid inlet channel, and the liquid outlet port is communicated with the corresponding liquid outlet channel;

the liquid inlet port is used for being correspondingly connected with a liquid inlet connector arranged on a battery replacing bottom support of the electric operation machine, and the liquid outlet port is used for being correspondingly connected with a liquid outlet connector arranged on the battery replacing bottom support of the electric operation machine.

6. The battery changing module as claimed in claim 2, wherein the bottom battery box is provided with a locking groove, and the locking groove is used for detachably connecting with a locking cylinder arranged on a battery changing bottom support of the electric working machine.

7. The battery swapping module of claim 3, wherein a sealing groove is formed in a top of a side plate of the box body, and the sealing ring is clamped in the sealing groove.

8. The battery replacement module as recited in claim 1 wherein a mounting slot is provided on the top cover plate, and the hoisting member is detachably disposed in the mounting slot;

the inside formation cavity of hoist and mount piece and the hole for hoist has been seted up at the top to be used for locking with the battery hoist.

9. An electric working machine, which is characterized by comprising a main machine, a power exchanging bottom support and the power exchanging module set as claimed in any one of claims 1 to 8,

the battery replacing base is arranged on the host, and the battery box positioned at the bottommost layer is detachably arranged on the battery replacing base.

10. A battery replacement station, characterized by comprising a battery hanger and the battery replacement module of any one of claims 1 to 8,

the battery lifting tool is used for transferring the battery changing module between the battery changing station and the electric operation machine through lifting the battery changing module, so that the electric operation machine can change the battery.

Images