CN215580427U - Charging and discharging system - Google Patents

Abstract

The utility model relates to a charging and discharging system, which comprises a power supply main body and a charger, wherein the power supply main body can provide electric energy for electric equipment, the power supply main body comprises a supporting device and at least one battery pack connected with the supporting device, the power supply main body is removably connected with the charger, and when the charger is connected with the power supply main body, the charger can charge the power supply main body. Through being connected power supply main part and charger removable, need not to remove the battery package from power supply main part during charging, the charging process is simple, and the charger sets up weight and the size that can also lighten power supply main part alone simultaneously, and user convenient to carry just wears comfortablely.

Description

Charging and discharging system

Technical Field

The present invention relates to a charge and discharge system.

Background

The existing backpack power supply generally has two structures, one structure is that a plurality of electric cores are arranged in a backpack power supply main body, so that a large-capacity battery pack is formed. The backpack power supply has the charging function and is arranged in the backpack power supply main body, but the size and the weight of the backpack power supply are increased due to the arrangement of the charging function, so that a user is uncomfortable to bear and is inconvenient to carry.

The other is that a plurality of battery sockets are arranged on the backpack power supply main body and can be correspondingly matched and connected with a plurality of battery packs. There are generally two types of such backpack power supplies that are charged: one is that the charging function is built in the backpack power supply main body, which also causes the size and weight of the backpack power supply to be increased, and the backpack is uncomfortable for the operator and inconvenient to carry; the other is to provide corresponding chargers, which needs to pull out the battery packs respectively and then place each battery pack on an external charger for charging. However, each battery pack needs to be repeatedly plugged and pulled in the charging process, and the charging operation is complicated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a charging and discharging system which is convenient and quick to charge and comfortable for people and people.

The technical scheme adopted by the utility model for solving the problems in the prior art is as follows:

the utility model provides a charge-discharge system, includes power supply main part and charger, power supply main part can provide the electric energy for consumer, power supply main part include strutting arrangement and at least one with the battery package that strutting arrangement connects, power supply main part and charger can remove the connection, work as the charger with when power supply main part connects, the charger can be for power supply main part charges.

Optionally, the power supply main body includes a charging port provided to the support device, the charger includes an output port, the charging port includes a male terminal and/or a female terminal, and the output port includes a female terminal and/or a male terminal that mates with the male terminal and/or the female terminal of the charging port.

Optionally, the female terminal comprises a power female terminal comprising a resilient clamping element and the male terminal comprises a power male terminal, the power female terminal clamping the corresponding power male terminal to enable conducting current.

Optionally, the female terminal further comprises a signal female terminal, the male terminal comprises a signal male terminal, and the signal female terminal is elastically abutted with the signal male terminal to realize transmission of the control signal.

Optionally, the male terminal and/or the female terminal of the charging port include a power terminal and a signal terminal, the charging port includes a middle region respectively located in the middle of the charging port and a first region and a second region respectively located at two ends of the middle region, the first region and the second region are used for setting the power terminal, and the middle region is provided with the signal terminal.

Optionally, the charger includes a base on which the power supply main body is carried when the charger is connected with the power supply main body.

Optionally, the charger includes a guide portion extending perpendicular to the base, the guide portion guiding the power supply main body to be connected to the charger.

Optionally, the guide portion includes a first guide portion and a second guide portion respectively located at two ends of the base, and when the power supply main body is connected to the charger, the power supply main body is accommodated between the first guide portion and the second guide portion.

Optionally, the first guide portion and the second guide portion are arranged in a flat plate shape, and one ends of the first guide portion and the second guide portion, which are far away from the base, are arranged in an inclined plane.

Optionally, the charger further comprises a support leg extending along one side of the base.

Optionally, the charger is carried on the power supply main body when the charger is connected with the power supply main body.

Optionally, the power supply main body further includes a first locking element disposed on the supporting device, the charger is provided with a second locking element, and when the charger is connected to the power supply main body, the first locking element is coupled to the second locking element to lock the charger to the power supply main body.

Optionally, the power supply main body further comprises a backpack device connected with the support device, the backpack device is used for being worn by a user, and the backpack device comprises a back frame connected with the support device and a back belt connected with the back frame.

Optionally, the power supply main body further includes a discharge port, and when the discharge port is connected to an electric device, the power supply main body can provide electric energy for the electric device.

Compared with the prior art, the utility model has the beneficial effects that: need not to remove the battery package from the power main part during charging, the charging process is simple, and the charger sets up weight and the size that can also lighten the power main part alone simultaneously, and the power main part is light and handy, and user convenient to carry just wears comfortablely.

The utility model also provides a method for connecting the power supply main body and the charger, which comprises the following steps: providing the power supply main body and the charger separately from each other; moving the power supply main body toward the charger from a separated first position to a second position, the power supply main body being connected with the charger when the power supply main body is located at the second position. The arrangement can ensure that the power supply main body and the charger are stressed more stably and the connection between the power supply main body and the charger is reliable.

The utility model also provides a method for connecting the power supply main body and the charger, which comprises the following steps: providing the power supply main body and the charger separately from each other; moving the charger toward the power main body from a separated third position to a fourth position, the charger being connected with the power main body when the charger is located at the fourth position. By inserting the charger into the power supply main body, the charger is relatively light, the operation of the charger is easier to realize, the charger is relatively small, and different space requirements are better met.

Drawings

The above objects, technical solutions and advantages of the present invention can be achieved by the following drawings:

fig. 1 is a schematic view of a charge and discharge system according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a power supply main body according to an embodiment of the utility model.

Fig. 3 is a side view of a power supply body of an embodiment of the utility model.

Fig. 4 is a schematic view of a support device according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of a charging port according to an embodiment of the utility model.

Fig. 6 is a schematic diagram of a charger according to an embodiment of the utility model.

Fig. 7A is a schematic diagram of the connection of the positive terminal and the negative terminal according to an embodiment of the utility model.

Fig. 7B is a schematic diagram of the connection of the negative male terminal and the negative female terminal according to an embodiment of the utility model.

Fig. 7C is a schematic diagram of the connection of the signal male terminal and the signal female terminal according to an embodiment of the utility model.

Fig. 7D is a schematic diagram of the connection of the signal male terminal and the signal female terminal according to another embodiment of the present invention.

Fig. 8 is a schematic diagram illustrating a connection process between the power supply main body and the charger according to an embodiment of the utility model.

Fig. 9 is a side view of the power supply main body of the embodiment of fig. 8 of the present invention completed in connection with a charger.

Fig. 10 is a schematic diagram illustrating a connection process between the power supply main body and the charger according to another embodiment of the present invention.

Fig. 11 is a side view of the completed connection of the power supply main body and the charger in the embodiment of fig. 10 of the present invention.

Fig. 12 is a front view showing the completion of the connection of the power supply main body with the charger in the embodiment of fig. 10 of the present invention.

Fig. 13 is a side view showing the completion of the connection of the power supply main body to the charger in another embodiment of the present invention.

Fig. 14 is a front view of the completed connection of the power supply main body and the charger in the embodiment of fig. 13 of the present invention.

Detailed Description

As shown in fig. 1 and 2, the charging and discharging system 1 includes a power supply main body 10 and a charger 20, the power supply main body 10 can supply power to a power consumption device, the power supply main body 10 includes a support device 100 and at least one battery pack 200 connected to the support device 100, the power supply main body 10 is removably coupled to the charger 20, and the charger 20 can charge the power supply main body 10 when the charger 20 is connected to the power supply main body 10. Optionally, the battery pack 200 is removably connected with the support device 100. In this embodiment, the electric appliance may be an electric tool, such as a pruning shears or a hair dryer, or a household appliance, such as a vacuum cleaner.

The power supply main body 10 and the charger 20 are separately provided, so that the weight and size of the power supply main body 10 can be reduced, and the power supply main body is light and handy, and is convenient for a user to carry and comfortable to wear. And the power supply main body 10 is integrally matched and connected with the charger 20, so that the battery pack does not need to be removed from the power supply main body during charging, and the charging process is simple.

The charger 20 and the power supply main body 10 can be connected in various forms, as shown in fig. 9, when the charger 20 is connected with the power supply main body 10, the power supply main body 10 is carried on the charger 20, so that the power supply main body 10 and the charger 20 can be stressed more stably, and the reliable connection between the two is ensured; as shown in fig. 11, 12, 13 and 14, when the charger 20 is connected to the power supply main body 10, the charger 20 is carried on the power supply main body 10, so that the charger is relatively small, and can better adapt to the space requirements under different working conditions.

As shown in FIG. 3, the power supply body 10 further includes a backpack device 300 removably coupled to the support device 100, the backpack device 300 being wearable by a user. The backpack 300 includes a back frame 3001 connected to the support device 100 and a back strap 3002 connected to the back frame 3001, wherein the connection between the back frame 3001 and the support device 100 and the connection between the back frame 3001 and the back strap 3002 may be fixed connection or removable connection. In this embodiment, a back frame 3001 is configured to be removably connected to the support device 100, and the back frame 3001 and the back straps 3002 are configured to be fixedly connected. The backpack device 300 may also include a belt or other auxiliary securing device to assist the user in wearing.

Further, the support device 100 is substantially rectangular parallelepiped, and includes a top face 100a, a bottom face 100b opposite to the top face 100a, left and right side faces 100c and 100d connecting the top and bottom faces 100a and 100b, a front face 100e receiving the battery pack 200, and a rear face 100f opposite to the front face 100 e.

Referring to fig. 4, the number of the battery packs 200 is 4, and the supporting device 100 includes mounting portions 101 to 104 for receiving the 4 battery packs 200, respectively. The battery pack 200 and the mounting portions 101 to 104 may be fixedly connected or removably connected. In the present embodiment, the battery pack 200 and the mounting portions 101 to 104 can be slidably coupled or removed. Taking the mounting portion 101 as an example, a pair of slide rails 101a and 101b are respectively disposed on both sides of the mounting portion 101, and a terminal connecting portion 101c is disposed between the pair of slide rails 101a and 101b, so that the battery pack 200 is mounted on the mounting portion 101 by sliding the battery pack 200 relative to the slide rails 101a and 101b from top to bottom in the longitudinal extending direction of the supporting device 100, and the terminal connecting portion 101c is electrically connected to the corresponding terminal of the battery pack 200. Conversely, by pressing the button 200a of the battery pack 200, the battery pack 200 is slid from bottom to top in the longitudinal extension direction of the support device 100 with respect to the slide rails 101a, 101b, and the battery pack 200 is detached from the mounting portion 101. In this embodiment, the longitudinal extending direction of the power supply main body 10 and the supporting device 100 refers to: the extension direction of the back of the user when the user wears the power supply main body 10. When the power supply main body 10 is connected to the charger 20, the side of the power supply main body 10 away from the charger 20 is referred to as the upper side, and the side of the power supply main body 10 close to the charger 20 is referred to as the lower side. By mounting each battery pack 200 at the corresponding mounting portion, the terminals of the corresponding battery pack 200 are connected via the terminal connectors, thereby achieving electrical connection of each battery pack 200 to the support device 100. Each of the battery packs 200 can be independently mounted and dismounted.

For the battery pack 200, a known battery pack can be used, and the capacity, size, and type of the battery pack are not limited. The plurality of battery packs 200 may be battery packs of the same specification or battery packs of different specifications. Optionally, the battery pack 200 is removably connected to the support device 100, and when the battery pack 200 is connected to the support device 100, the battery pack 200 and the support device as a whole can supply power to the power tool; when the battery pack 200 is removed from the supporting device 100, the battery pack 200 can be separately coupled to a power tool or other electric devices to supply power, and the battery pack 200 can also be separately coupled to other external chargers for charging.

In this embodiment, the number of the battery packs 200 is 4, and the 4 battery packs are arranged in two rows and two columns, but of course, the number of the battery packs 200 may be other, such as 2, 3, 5, and the like, and the battery packs 200 may be arranged in other manners, such as in a row or in a column. Optionally, the output voltage of each battery pack 200 is 20V, each battery pack 200 is connected in series, and when there are 4 battery packs 200, the power supply main body 10 can output a maximum voltage of 80V, however, a person skilled in the art can also easily think of other connection manners of the battery packs, for example, each battery pack may be connected in parallel, or two battery packs may be connected in series and then connected in parallel, and the like, and different series-parallel connection manners of the battery packs determine the maximum voltage that the power supply main body can output.

The power supply main body 10 includes a charging port 11 provided to the support device 100, and an output port 21 is provided to the charger 20. Optionally, the charging port 11 is located on the bottom surface 100b of the support device 100. The charging port 11 includes a male terminal and/or a female terminal, and the output port 21 includes a female terminal and/or a male terminal that is mated with the male terminal and/or the female terminal of the charging port 11. In the present embodiment, the output port 21 includes a male terminal, and the charging port 11 includes a female terminal.

As shown in fig. 5 to 7D, the female terminals include a plurality of female power terminals, the female power terminals include elastic clamping members, and the male terminals include a plurality of male power terminals, each of which clamps the corresponding male power terminal when the charger 20 is connected to the power main body 10, so as to conduct current. Alternatively, the power male terminal is provided in the form of a flat plate and the power female terminal includes at least one pair of elastic clamping members abutting against each other. The power female terminal includes at least one positive female terminal 111 and at least one negative female terminal 112, the positive female terminal 111 includes a pair of elastic clamping pieces 111a, 111B abutting against each other, the negative female terminal 112 includes a pair of elastic clamping pieces 112a, 112B abutting against each other, and the power male terminal includes at least one positive male terminal 211 and at least one negative male terminal 212, as shown in fig. 7A and 7B, the elastic clamping pieces 111a, 111B clamp the positive male terminal 211 from both sides, respectively, and the elastic clamping pieces 112a, 112B clamp the negative male terminal 212 from both sides, respectively, when the charger 20 is mated with the power main body 10, thereby conducting current from the charger 20 to the battery pack 200. Because the current that power male terminal and power female terminal need bear is big, power male terminal and power female terminal adopt bayonet joining in marriage to connect, can guarantee that both atresss firm to realize the contact reliably.

Further, the female terminal further includes a plurality of signal female terminals 113, the male terminal further includes a plurality of signal male terminals 213, when the charger 20 is connected to the power supply main body 10, the signal female terminals 113 and the signal male terminals 213 are in elastic contact to realize transmission of the control signal, and the control signal may include a temperature signal, a voltage detection signal, or others. The signal female terminal 113 and the signal male terminal 213 are electrically connected in an elastic contact manner, so that the insertion and extraction force between the terminals can be reduced, and the contact difficulty is reduced on the premise of ensuring reliable contact. On the basis that the stress of the power supply male terminal and the power supply female terminal is stable, the overall plugging force of the charger 20 and the power supply main body 10 is limited, and good user experience is guaranteed. Referring to fig. 5, several arrangements of the female signal terminals 113 and the male signal terminals 213 are illustrated. For example, as shown in fig. 7C and 7D, the signal female terminal 113 is at least partially disposed in an arc-shaped curved shape, the signal male terminal 213 is disposed in a flat plate shape or a hook shape, and the extending direction of the signal female terminal 113 may also be disposed in different directions, such as in a direction parallel to the longitudinal extending direction of the power supply main body 10 or in a direction perpendicular to the longitudinal extending direction of the power supply main body 10. When the extending direction of the signal female terminal 113 is set to be perpendicular to the lengthwise extending direction of the power supply main body 10, the signal male terminal 213 is set to be in a hook shape, which can increase the contact area between the terminals, making the contact more reliable. Of course, the signal male terminal 213 and the signal female terminal 113 may also adopt a similar plug-in type mating connection between the power male terminal and the power female terminal, which is not described herein.

The male and/or female terminals of the charging port 11 include a power terminal and a signal terminal, the charging port 11 includes a middle charging region 12 located in the middle of the charging port 11 and first and second charging regions 13 and 14 located on both sides of the middle charging region 12, respectively, the first and second charging regions 13 and 14 set power terminals, and the middle charging region 12 sets a signal terminal. Alternatively, the power supply terminal is provided as a female power supply terminal, the signal terminal is provided as a female signal terminal, and further, the first charging area 13 is provided with a female positive terminal 111, and the second charging area 14 is provided with a female negative terminal 112. Likewise, the output port 21 includes a middle output region 22 located in the middle of the output port 21 and first and second output regions 23 and 24 located on both sides of the middle output region 22. The first output region 23 and the second output region 24 are provided with power male terminals, and the intermediate output region 22 is provided with a signal male terminal 213. The arrangement can balance the acting force of plugging and unplugging the power supply main body 10 in the connection process, and the power supply main body 10 is ensured not to topple over in the plugging and unplugging process. Alternatively, the first output region 23 provides the positive electrode male terminal 211, and the second output region 24 provides the negative electrode male terminal 212.

Further, when the number of the battery packs 200 is 4, the power female terminal includes 4 positive female terminals and 4 negative female terminals, the power male terminal includes 4 positive male terminals and 4 negative male terminals, the number of the power male terminals and the number of the power female terminals are positively correlated with the number of the battery packs 200, the number of the positive female terminals 111 and the number of the negative female terminals 211 are set to be at least twice the number of the battery packs, and likewise, the number of the positive male terminals 211 and the negative male terminals 212 is also set to be at least twice the number of the battery packs 200.

In the present embodiment, the number of the signal female terminals 113 and the signal male terminals 213 is 12. Likewise, the number of the signal female terminals 113 and the signal male terminals 213 is positively correlated with the number of the battery packs 200, for example, each battery pack requires 3 signal transmission elements, and then, when the number of the battery packs 200 is 4, as shown in fig. 6 and 7, the number of the signal female terminals 113 and the number of the signal male terminals 213 are each set to be 3 times the number of the battery packs 200, that is, the number of the signal female terminals 113 and the number of the signal male terminals 213 include 12, respectively. Of course, any number of signal transmission elements may be selected by one skilled in the art, and will not be described in detail herein.

As shown in fig. 2, the power supply main body 10 is provided with a handle 15 to be easily held by a user. As shown in fig. 6, the charger 20 includes a cradle 25, and the power supply main body 10 is carried on the cradle 20 when the charger 20 is connected to the power supply main body 10. The charger 20 further includes a guide portion 26 extending perpendicular to the base 25, the guide portion 26 being capable of guiding the power supply main body 10 to be coupled to the charger 20. The guide portion 26 includes a first guide portion 261 and a second guide portion 262 respectively located at both ends of the base 25, and when the power supply main body 10 is connected to the charger 20, the power supply main body 10 is accommodated between the first guide portion 261 and the second guide portion 262. Alternatively, the first guide portion 261 and the second guide portion 262 are provided in a flat plate shape, and an end of the first guide portion 261 and the second guide portion 262 away from the base 25 is provided with a slope 263, and the slope 263 facilitates guiding the power supply main body 10 to the charger 20.

Further, the charger 20 further includes support legs 27 (shown in fig. 9) extending along both ends of the base 25, so that the power main body 10 can be easily removed from the charger 20 when a user steps on the support legs 27, and the user can step on the support legs 27 to fix the charger 20 and hold the handle 15 with a hand to pull the power main body 10 out of the charger 20.

The power supply main body 10 further includes a first locking member 114 provided to the support device 100, and the charger is provided with a second locking member 214, and when the charger 20 is connected to the power supply main body 10, the first locking member 114 is coupled to the second locking member 214, and the power supply main body 10 is fixedly supported on the charger 20.

As shown in fig. 4 and 6, alternatively, the first locking member 114 is provided as a groove on the left side surface 100c and the right side surface 100d of the supporting device 100, respectively, and the second locking member 214 is provided as a protrusion on the first guide portion 261 and the second guide portion 262. Of course, the first locking element 114 and the second locking element 214 may be configured in different forms, as shown in fig. 14, the first locking element 114 may also be configured as a protrusion located on the left side surface 100c and the right side surface 100d of the supporting device 100, the second locking element 214 is configured as a groove located on the first guiding portion 261 and the second guiding portion 262, and the first locking element 114 and the second locking element 214 may also be located at other positions, which is not described herein.

How the power main body 10 and the charger 20 are connected will be described in detail below with reference to fig. 8 to 14.

In one embodiment, as shown in fig. 8 and 9, when the power main body 10 is located at the first position, the power main body 10 is separated from the charger 20, and the first locking member 114 is separated from the second locking member 214; the power main body 10 is moved toward the charger 20 from the first position to the second position, and when the power main body 10 is located at the second position, the power main body 10 is connected to the charger 20, and as shown in fig. 1 and 9, the first locking member 114 is coupled to the second locking member 214, so that the locking of the power main body 10 to the charger 20 is achieved. Optionally, the moving direction M1 of the power supply main body 10 is parallel to the lengthwise extension direction of the power supply main body.

By inserting the power supply main body 10 into the charger 20, the power supply main body 10 slides along the guide portion 26 from top to bottom by the gravity of the power supply main body 10 itself until the first locking member 114 is coupled to the second locking member 214, the power supply main body 10 can be fixedly supported on the charger 20, the power supply male terminal is electrically connected to the power supply female terminal, and the signal male terminal is electrically connected to the signal female terminal, thereby electrically connecting the power supply main body 10 and the charger 20. When the charging is finished, the user can remove the power supply main body 10 from the charger 20 by carrying the handle 15 of the power supply main body 10 and stepping on the supporting legs 27 of the charger 20. This arrangement makes the power supply main body 10 and the charger 20 more firmly stressed, and ensures reliable connection therebetween.

In another embodiment, as shown in fig. 10 to 14, the connection of the power supply main body 10 with the charger 20 is achieved by inserting the mobile charger 20 into the power supply main body 10, and when the charger 20 is located at the third position, the charger 20 is separated from the power supply main body 10; the charger 20 is moved toward the power main body 10 from the third position to the fourth position, and when the charger 20 is located at the fourth position, the charger 20 is connected to the power main body 10.

The mobile charger 20 can also be realized in two ways, as shown in fig. 10 to 12, and the moving direction M2 of the charger 20 is perpendicular to the longitudinal extending direction of the power supply main body 10. As shown in fig. 13 and 14, the moving direction (not shown) of the charger 20 is parallel to the longitudinal extending direction of the power supply main body 10.

By inserting the charger 20 into the power supply body 10, the charger 20 is relatively light, operation of the charger 20 is easier to achieve, and the charger 20 is relatively small, better accommodating different space requirements.

The power supply main body 10 further includes a discharge port (not shown) for outputting electric power to supply power to the electric device. For example, the discharge port may be connected to a cable or an adapter, and then connected to the electric device through the cable or the adapter. Alternatively, the discharge port is provided on the support device 100, such as the top surface 1001a of the support device 100.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (14)

1. The utility model provides a charge-discharge system, includes power supply main part and charger, power supply main part can provide the electric energy for consumer, power supply main part include strutting arrangement and at least one with the battery package that strutting arrangement connects, its characterized in that, power supply main part and charger can remove the connection, work as the charger with when power supply main part connects, the charger can be for power supply main part charges.

2. The charging and discharging system according to claim 1, wherein the power supply main body includes a charging port provided to the support device, the charger is provided with an output port, the charging port includes a male terminal and/or a female terminal, and the output port includes a female terminal and/or a male terminal that is mated with the male terminal and/or the female terminal of the charging port.

3. The charging and discharging system of claim 2, wherein the female terminals comprise power female terminals including resilient clamping elements and the male terminals comprise power male terminals that clamp the respective power male terminals to enable conduction of current.

4. The charge and discharge system of claim 2, wherein the female terminal comprises a signal female terminal and the male terminal comprises a signal male terminal, and the signal female terminal is in elastic abutment with the signal male terminal to enable transmission of the control signal.

5. The charging and discharging system according to claim 2, wherein the male and/or female terminals of the charging port include a power terminal and a signal terminal, the charging port includes a middle region respectively located in the middle of the charging port and a first region and a second region respectively located at both ends of the middle region, the first region and the second region are used for setting the power terminal, and the middle region sets the signal terminal.

6. The charging and discharging system of claim 1, wherein the charger includes a base on which the power supply body is carried when the charger is connected with the power supply body.

7. The charging and discharging system according to claim 6, wherein the charger includes a guide portion extending perpendicular to the base, the guide portion guiding the power supply main body to be connected to the charger.

8. The charging and discharging system according to claim 7, wherein the guide portion includes a first guide portion and a second guide portion respectively provided at both ends of the base, and the power supply main body is accommodated between the first guide portion and the second guide portion when the power supply main body is connected to the charger.

9. The charging and discharging system according to claim 8, wherein the first guide portion and the second guide portion are provided in a flat plate shape, and one ends of the first guide portion and the second guide portion, which are away from the base, are provided in an inclined surface.

10. The charge and discharge system of claim 6, wherein the charger further comprises support legs extending along one side of the base.

11. The charging and discharging system according to claim 1, wherein the charger is carried on the power supply main body when the charger is connected to the power supply main body.

12. The charging and discharging system of claim 1, wherein the power supply main body further comprises a first locking member provided to the supporting device, and the charger is provided with a second locking member, the first locking member being coupled with the second locking member to achieve locking of the charger with the power supply main body when the charger is connected with the power supply main body.

13. The charging and discharging system of claim 1, wherein the power supply body further comprises a backpack device coupled to the support device, the backpack device being adapted to be worn by a user, the backpack device comprising a back frame coupled to the support device and a back strap coupled to the back frame.

14. The charging and discharging system of claim 1, wherein the power supply body further comprises a discharge port, and the power supply body is capable of supplying power to an electric device when the discharge port is connected to the electric device.

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