CN223502752U - Integrated high-power power supply structure and power supply system - Google Patents

Abstract

The utility model discloses an integrated high-power supply structure and a power supply system, relates to the technical field of inverters, and solves the problem of huge size of a high-power inverter. The power supply structure comprises a first circuit board, a second circuit board and an air cooling radiating unit, wherein a charging interface and a discharging interface are arranged on a first side of the first circuit board in the x-axis direction, the second circuit board is arranged above and parallel to the first circuit board in the z-axis direction, the second circuit board is electrically connected with the first circuit board, and the air cooling radiating unit is arranged between the first circuit board and the second circuit board and is fixed on a first end of the first circuit board in the y-axis direction. According to the utility model, the charging interface, the discharging interface and the air cooling radiating unit are arranged on the first circuit board, and the second circuit board is arranged to realize multifunctional expansion, so that more compact design is realized, the whole volume is reduced, the installation space is saved, the efficiency and the reliability of the system are improved, and the production and the maintenance are simplified.

Description

Integrated high-power supply structure and power supply system

Technical Field

The utility model relates to the technical field of inverters, in particular to an integrated high-power supply structure and a power supply system.

Background

With the increasing demand for mobile energy storage systems, electrical energy conversion between the mains and the devices to be charged, such as new energy devices, medical devices, communication devices, etc., can be achieved by means of inverters. The existing energy storage power supply product generally needs to realize high-power storage and input electric energy, but the high-power storage and electric energy output can be realized only by arranging more electronic elements in the inverter, and meanwhile, the high-power input or output of electric energy and the arrangement of the electronic elements can generate a large amount of heat, so that the number of cooling fans or a water cooling device is required to be increased in the inverter. This results in a bulky inverter, which occupies a large amount of installation space when installed.

Disclosure of utility model

The utility model aims to provide an integrated high-power supply structure and a power supply system, which solve the problem of huge volume of a high-power inverter.

To achieve the purpose, the utility model adopts the following technical scheme:

The utility model provides an integrated high-power supply structure, which comprises a first circuit board, a second circuit board and an air cooling radiating unit, wherein the first circuit board is connected with the second circuit board;

The first circuit board is provided with a charging interface and a discharging interface at a first side in the x-axis direction, the charging interface is used for being connected with charging equipment, and the discharging interface is used for being connected with equipment to be charged;

The second circuit board is arranged above the first circuit board in the z-axis direction and is parallel to the first circuit board, and the second circuit board is electrically connected with the first circuit board;

The air cooling radiating unit is arranged between the first circuit board and the second circuit board and is fixed on the first end of the first circuit board in the y-axis direction;

wherein the x-axis, the y-axis and the z-axis are perpendicular to each other.

The air cooling heat dissipation unit comprises at least one fan piece and at least one radiator, wherein the radiator is arranged on the first circuit board, the radiator is provided with a plurality of heat dissipation air channels, the length direction of each heat dissipation air channel is parallel to the y axis, and one end of each heat dissipation air channel in the length direction is provided with an air inlet;

the air outlet of the fan piece and the air inlet are aligned in the y-axis direction.

Preferably, the first circuit board is provided with a positive terminal, a negative terminal and a high-current terminal at a second side in the x-axis direction, and the high-current terminal is positioned between the positive terminal and the negative terminal;

The first circuit board is also provided with a safety piece, two ends of the safety piece are provided with extension plates, the extension plates are provided with fixing holes, and the safety piece is fixedly connected with the high-current terminal and the negative terminal by a fixing piece along the z-axis direction through the fixing holes.

Preferably, a battery detection terminal, a signal display terminal, and a communication terminal are provided at an end of the second circuit board near the second side in the x-axis direction.

Preferably, the first end is provided with an electrical assembly, and the electrical assembly comprises a plurality of electrical connectors and a connecting plate sleeved and fixed on the electrical connectors;

One end of the electric connecting piece is fixedly connected with the first circuit board, and the other end of the electric connecting piece penetrates through the connecting plate to be connected with the second circuit board.

Preferably, the charging interface comprises an AC input interface and a photovoltaic charging interface, and the discharging interface is an AC output interface.

In a second aspect, there is provided a power supply system comprising:

The integrated high power supply structure of any one of the above first aspects;

The shell comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are locked to form a mounting cavity, and the power supply structure is arranged in the mounting cavity;

The battery pack is arranged outside the shell and connected with the power supply structure.

Preferably, at least one engagement opening for engaging the air-cooled heat dissipation unit is provided on a first side wall of the lower housing in the y-axis direction, and at least one ventilation window is provided on a second side wall of the lower housing away from the first side wall in the y-axis direction, the ventilation window being configured to dissipate heat in the mounting cavity to outside the housing.

Preferably, the power supply system further comprises a plurality of locking members;

the lower shell is provided with a third side wall in the x-axis direction, the third side wall is provided with a first mounting plate, and the upper shell is fixedly connected with the first mounting plate through at least one locking piece;

Two ends of the fourth side wall of the upper shell in the y-axis direction are respectively provided with a second mounting plate, and the two second mounting plates are respectively fixedly connected with the first side wall and the second side wall through at least one locking piece.

Preferably, the lower housing is provided with a plurality of mounting brackets.

Compared with the prior art, the utility model has the following beneficial effects:

The power supply structure is electrically connected with the outside to carry out charging interface and discharging interface, the charging interface and the discharging interface are fixedly arranged on the first side and are electrically connected with the first circuit board, the air cooling radiating unit is arranged at the first end of the first circuit board and is fixed on the first circuit board, reasonable layout of each part on the first circuit board is realized, and space waste on the first circuit board is reduced. Meanwhile, the second circuit board is arranged above the first circuit board, so that the modularized design is realized, the function is convenient to expand and upgrade, the functional modules are distributed on the two parallel circuit boards, the more compact design can be realized, the whole volume is further reduced, and the installation space is saved. And finally, arranging the air cooling radiating unit between the first circuit board and the second circuit board and fixing the air cooling radiating unit at the first end of the first circuit board, so that the wind generated by the air cooling radiating unit can take away the heat generated by the first circuit board and the second circuit board, and the temperature of the power supply structure is reduced.

According to the utility model, the positions of the electronic components on the first circuit board are rearranged, the charging interface, the discharging interface and the air cooling radiating unit are arranged on the first circuit board, and the second circuit board is arranged to realize multifunctional expansion, so that more compact design is realized, the whole volume is reduced, the installation space is saved, the efficiency and the reliability of the system are improved, and the production and maintenance are simplified.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective.

Fig. 1 is a schematic structural diagram of an integrated high-power supply structure provided in embodiment 1;

fig. 2 is a schematic structural diagram of an integrated high-power supply structure provided in embodiment 1;

fig. 3 is a schematic structural diagram of a power supply system provided in embodiment 2;

fig. 4 is a schematic structural diagram of a power supply system provided in embodiment 2;

illustration of:

100. The battery pack comprises a battery pack body, 200, a power supply structure, 310, an upper housing, 320, a lower housing, 330, a mounting cavity, 340, a locking piece, 21, a first circuit board, 211, a charging interface, 2111, an AC input interface, 2112, a photovoltaic charging interface, 212, a discharging interface, 213, a positive terminal, 214, a negative terminal, 215, a safety piece, 2151, an extension board, 2152, a fixing piece, 216, an electric component, 2161, an electric connecting piece, 2162, a connecting board, 217, a high-current terminal, 22, a second circuit board, 221, a battery detection terminal, 222, a signal display terminal, 223, a communication terminal, 231, a radiator, 2311, a heat dissipation air duct, 232, a fan piece, 2321, an air outlet, 321, a first side wall, 3211, an embedding interface, 322, a second side wall, 3221, a ventilating window, 323, a third side wall, 3231, a first mounting plate, 324, a mounting bracket 311, an upper cover board, 312, a fourth side wall, 3121 and a second mounting plate.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It is noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

In existing inverters, the charging interface and the discharging interface are usually provided with independent circuit boards for control, which increases the structural complexity and occupation space of the inverter. In addition, heat in the inverter is generally taken away by arranging a plurality of fans, which not only increases the volume and weight of the whole machine, but also causes higher energy consumption and noise. Finally, the circuit boards corresponding to the parts are electrically connected through wires or conductors, so that the structure of the whole inverter is more complex, and the production process and fault points are increased. When high power and high current transmission (input and output) are needed, a large amount of heat is generated in the inverter, so that the heat dissipation problem is further aggravated, and the stability and the service life of the system are affected.

Referring to fig. 1-2, based on the existing problems, an embodiment of the present utility model provides an integrated high-power supply structure 200, where the power supply structure 200 includes a first circuit board 21, a second circuit board 22, and an air cooling and heat dissipation unit;

A charging interface 211 and a discharging interface 212 are arranged on a first side of the first circuit board 21 in the x-axis direction, the charging interface 211 is used for being connected with charging equipment, and the discharging interface 212 is used for being connected with equipment to be charged;

The second circuit board 22 is disposed above the first circuit board 21 in the z-axis direction and parallel to the first circuit board 21, and the second circuit board 22 is electrically connected to the first circuit board 21;

The air cooling unit is arranged between the first circuit board 21 and the second circuit board 22 and is fixed on the first end of the first circuit board 21 in the y-axis direction;

wherein the x-axis, the y-axis and the z-axis are perpendicular to each other.

Specifically, the charging interface 211 is used for connecting with a charging device to introduce electric energy of an external power source (such as mains supply and solar panel) into the battery pack 100 for storage, and the discharging interface 212 is used for connecting with a device to be charged to output the electric energy in the battery pack 100 to the external device. The first circuit board 21 carries the circuit boards of the charging interface 211, the discharging interface 212 and the related control circuits, controls the input and output of the electric energy in the power supply structure 200, and simultaneously controls the operation of the air cooling and heat dissipation unit and other electrical components on the first circuit board 21, and the second circuit board 22 is used for carrying the functions of BMS battery management, control logic, signal processing and the like. The air cooling unit is used for cooling, and takes away heat on the circuit board through air flow, so that the temperature of the power supply structure 200 is kept within a safe range.

The power supply structure 200 is electrically connected with the outside to fixedly arrange the charging interface 211 and the discharging interface 212 on the first side and electrically connected with the first circuit board 21, the air cooling radiating unit is arranged at the first end of the first circuit board 21 and fixed on the first circuit board 21, so that reasonable layout of all parts on the first circuit board 21 is realized, and space waste on the first circuit board 21 is reduced. Meanwhile, the second circuit board 22 is arranged above the first circuit board 21, so that a modularized design is realized, the function is convenient to expand and upgrade, and the functional modules are distributed on two parallel circuit boards, so that a more compact design can be realized, the whole volume is further reduced, and the installation space is saved. Finally, the air cooling unit is disposed between the first circuit board 21 and the second circuit board 22 and fixed at the first end of the first circuit board 21, so that the air generated by the air cooling unit can take away the heat generated by the first circuit board 21 and the second circuit board 22, and the temperature of the power supply structure 200 is reduced.

According to the utility model, the positions of the electronic components on the first circuit board 21 are planned and laid out again, the charging interface 211, the discharging interface 212 and the air cooling and heat radiating unit are arranged on the first circuit board 21, and the second circuit board 22 is arranged to realize multifunctional expansion, so that more compact design is realized, the whole volume is reduced, the installation space is saved, the efficiency and the reliability of the system are improved, and the production and maintenance are simplified.

In an embodiment, as shown in fig. 1-2, the air cooling heat dissipation unit includes at least one fan 232 and at least one heat sink 231, wherein the heat sink 231 is disposed on the first circuit board 21, the heat sink 231 is provided with a plurality of heat dissipation air channels 2311, the length direction of the heat dissipation air channels 2311 is parallel to the y-axis, and one end of the heat dissipation air channels 2311 in the length direction is provided with an air inlet;

the air outlet 2321 of the fan 232 is aligned with the air inlet in the y-axis direction.

Specifically, the radiator 231 is disposed in parallel along the y-axis, the air cooling unit is disposed at a first end located in the y-axis, the air outlet 2321 of the air cooling unit is opposite to one end of the radiator 231 in the length direction, and the air outlet 2321 of the fan 232 is aligned to the heat dissipation air duct 2311 of the radiator 231, so as to ensure that the air flow can smoothly pass through the heat dissipation air duct 2311 and flow out from a second end of the first circuit board 21 in the y-axis direction, thereby avoiding the air flow from being shorted or stagnated.

The radiator 231 is provided with a plurality of cooling fins, a cooling air channel 2311 is spaced between each two adjacent cooling fins, and air generated by the fan 232 enters from the air inlet to take away heat on the cooling fins.

Preferably, in the case of high-power and high-flow power transmission, two heat sinks 231 are disposed on the first circuit board 21, and the length directions of the two heat sinks 231 are parallel to the y-axis.

The air cooling unit includes two fan members 232, the two fan members 232 are fixedly mounted on the first end, and an air outlet 2321 of each fan member 232 is aligned with an air inlet of a heat dissipation air duct 2311 of the heat sink 231.

The heat dissipation air channel 2311 aligned with one radiator 231 through each fan member 232 blows, so that heat can be dissipated into air in time when high-current and high-power transmission is realized, meanwhile, the two radiators 231 are placed in parallel, and the two fan members 232 are arranged on the first end to be aligned with the radiator 231, so that the increase of the space volume of the power supply structure 200 caused by the addition of the fans is avoided.

The two heat dissipation fans are arranged at a certain distance, and the heat conduction channels at different positions on the first circuit board 21 are arranged in the heat radiator 231, so that the problem that the stable operation of electronic components is affected by local overheating caused by untimely heat dissipation when high-current and high-power electric energy transmission is realized is avoided.

In one embodiment, as shown in fig. 1-2, the first circuit board 21 is provided with a positive terminal 213, a negative terminal 214 and a high current terminal 217 on the second side in the x-axis direction, and the high current terminal 217 is located between the positive terminal 213 and the negative terminal 214;

The first circuit board 21 is further provided with a safety element 215, two ends of the safety element 215 are provided with extension plates 2151, the extension plates 2151 are provided with fixing holes, and a fixing element 2152 passes through the fixing holes along the z-axis direction to fixedly connect the safety element 215 with the high-current terminal 217 and the negative terminal 214.

Specifically, the positive terminal 213 is used to connect the battery pack 100, the negative terminal 214 is used to connect the battery pack 100, high current transmission is achieved through the high current terminal 217, stable and reliable electrical connection is provided at the connection, and the safety element 215 is provided to protect the circuit from faults such as overcurrent or short circuit.

The two ends of the safety element 215 extend to form an extension plate 2151, a fixing hole is formed in the extension plate 2151, and the fixing element 2152 penetrates through the fixing hole to fix the safety element 215 on the first circuit board 21, so that firm connection between the safety element 215 and the high-current terminal 217 and the negative terminal 214 is ensured, and loosening or falling-off is avoided.

Preferably, the fixing member 2152 is a bolt.

The two bolts respectively penetrate through the two fixing holes on the two extending plates 2151 along the z-axis direction to fix, so that the electric connection between the safety piece 215 and the high-current terminal 217 and the negative terminal 214 is realized, the positions of the safety piece 215 and the first circuit board 21 are fixed, and the safety piece 215 is prevented from being directly welded on the surface of the first circuit board 21.

The positive terminal 213, the high-current terminal 217, the negative terminal 214 and the safety element 215 are arranged on the second side opposite to the first side on which the charging interface 211 and the discharging interface 212 are arranged on the x-axis, so that the power supply structure 200, the battery pack 100 and the equipment to be charged or the charging equipment are more convenient to connect, the interference generated by the charging interface 211, the discharging interface 212, the positive terminal 213, the high-current terminal 217 and the negative terminal 214 in the electric connection process is avoided, and the overall layout rationality of the system is improved.

In one embodiment, as shown in fig. 1-2, a battery detection terminal 221, a signal display terminal 222 and a communication terminal 223 are disposed at an end of the second circuit board 22 near the second side in the x-axis direction.

Specifically, the second circuit board 22 detects parameters such as voltage and current of the battery through the current condition of the positive electrode terminal 213 and the negative electrode terminal 214, monitors the electric energy state on the battery pack 100, evaluates the health state of the battery pack 100, timely reflects the electric energy state of the battery pack 100 and the health state of the battery pack 100 through the signal display terminal 222 (the LED lamp or the display screen displays in real time), and transmits data such as the electric energy state, the health state, the control command and the like to external equipment through the signal generated outwards through the communication terminal 223, thereby realizing remote monitoring and management.

In one embodiment, as shown in fig. 1-2, the first end is provided with an electrical component 216, and the electrical component 216 includes a plurality of electrical connectors 2161 and a connecting board 2162 sleeved and fixed on the electrical connectors 2161;

The electrical connector 2161 has one end fixedly connected to the first circuit board 21 and the other end connected to the second circuit board 22 through the connector board 2162.

The electrical component 216 is used to make an electrical connection between the first circuit board 21 and the second circuit board 22. The electrical connector 2161 is typically a metal wire or conductive post. The connecting plate 2162 is sleeved and fixed on the electric connector 2161, the electric connector 2161 is fixed and supported, loosening or falling off is avoided, the installation process of the electric connector 2161 is simplified through the connecting plate 2162 and the electric connector 2161, the installation time and cost are reduced, the installation convenience and reliability are improved, meanwhile, the connection between the first circuit board 21 and the second circuit board 22 is more compact, the whole volume is reduced, and the integration level of the system is improved.

In one embodiment, as shown in fig. 1-2, the charging interface 211 includes an AC input interface 2111 and a photovoltaic charging interface 2112, and the discharging interface 212 is an AC output interface.

Specifically, the AC input interface 2111 is used to connect to the mains (alternating current) and to introduce an external alternating current power source into the battery pack 100 for storage. The photovoltaic charging interface 2112 is used for connecting a solar panel, and direct current generated by the solar panel is introduced into the battery pack 100. The AC output interface is used for connecting an external device to be charged, outputting the electric energy in the battery pack 100 to the external device to be charged, and providing a power supply.

By arranging the AC input interface 2111 and the photovoltaic charging interface 2112, integration of various charging modes is realized, and flexibility and reliability of the system are improved. The user can select commercial power charge or solar charge according to actual conditions, and renewable energy sources are fully utilized.

Example 2

Referring to fig. 3 and 4, based on the integrated high-power supply structure 200 described in the above embodiment 1, the present embodiment provides a power supply system, which includes:

Any of the integrated high power supply structures 200 provided in embodiment 1 above;

The housing comprises an upper housing 310 and a lower housing 320, wherein the upper housing 310 and the lower housing 320 are locked together to form a mounting cavity 330, and the power supply structure 200 is arranged in the mounting cavity 330;

And a battery pack 100, wherein the battery pack 100 is arranged outside the shell and connected with the power supply structure 200.

Specifically, the lower housing 320 is provided with an inner cavity, the upper housing 310 covers the inner cavity of the lower housing 320 to form a housing having a mounting cavity 330, the power structure 200 is disposed in the mounting cavity 330, and the battery pack 100 is disposed outside the mounting cavity 330.

The upper housing 310 has an L-shaped structure, and includes a fourth side wall 312 and an upper cover plate 311, where the fourth side wall 312 and the upper cover plate 311 are connected with a through hole for connecting the outside with the battery detection terminal 221, the signal display terminal 222, and the communication terminal 223. A clamping groove is formed at one end of the fourth side wall 312 away from the upper cover plate 311, and the clamping groove is used for accommodating the positive terminal 213 and the negative terminal 214, so that the positive terminal 213 and the negative terminal 214 are exposed to the outside, and the battery pack 100 is convenient to detach or plug from the power supply structure 200.

One end of the upper cover body, which is far away from the fourth side wall 312, is provided with a through hole for connecting the charging device and the device to be charged with the charging interface 211 and the discharging interface 212.

In an embodiment, as shown in fig. 3 and 4, the first side wall 321 of the lower housing 320 is provided with at least one engagement opening 3211 for engagement of the air-cooled heat dissipation unit in the y-axis direction, and the second side wall 322 of the lower housing remote from the first side wall 321 in the y-axis direction is provided with at least one ventilation window 3221, and the ventilation window 3221 is used for dissipating heat in the installation cavity 330 out of the housing.

Preferably, the engagement opening 3211 and the ventilation window 3221 are disposed on the same y-axis, so that wind energy generated by the air-cooling heat-dissipating unit passes through the first circuit board 21 and along the length direction of the heat-dissipating air duct 2311 to reach the ventilation window 3221 and flow from the ventilation window 3221 to the outside air.

Preferably, a plurality of spacers are horizontally and vertically arranged on the ventilation window 3221, so that the ventilation window 3221 is vertically and horizontally divided to form a plurality of small ventilation openings, so that large-scale impurities are prevented from directly entering the shell, and meanwhile, air in the shell can smoothly flow into the outside air.

In one embodiment, as shown in fig. 3 and 4, the power system further includes a plurality of locking members 340;

The lower housing 320 is provided with a third sidewall 323 in the x-axis direction, the third sidewall 323 is provided with a first mounting plate 3231, and the upper housing 310 and the first mounting plate 3231 are fixedly connected through at least one locking member 340;

Two ends of the fourth side wall 312 of the upper housing 310 in the y-axis direction are respectively provided with a second mounting plate 3121, and the two second mounting plates are respectively fixedly connected with the first side wall 321 and the second side wall 322 through at least one locking member 340.

Specifically, when the upper housing 310 and the lower housing 320 are mounted, the third side wall 323 and the fourth side wall 312 are opposite to each other in the x-axis direction, a first mounting plate 3231 is disposed at one end of the third side wall 323 near the upper cover 311, the surface of the first mounting plate 3231 is attached to the surface of the upper cover 311, and the locking member 340 sequentially passes through the upper cover 311 and the first mounting plate 3231 along the z-axis direction and locks and fixes the upper cover and the upper cover.

The two second mounting plates 3121 are symmetrically disposed along the x-axis, and respectively fit with the surfaces of the first side walls 321 and the second side walls 322, and sequentially pass through the second mounting plates 3121 and the first side walls 321 to lock one side by the locking member 340, and sequentially pass through the second mounting plates 3121 and the second side walls 322 to lock the other side by the other locking member 340. A fixed locking of the fourth side wall 312 and the lower case 320 is achieved.

In one embodiment, as shown in fig. 3 and 4, the lower housing 320 is provided with a plurality of mounting brackets 324.

Specifically, the mounting bracket 324 is used to fix the power structure 200 in a mounting position, so as to ensure stability and reliability during use, and prevent displacement or damage caused by vibration or external force.

The mounting bracket 324 can accommodate different mounting environments and requirements, such as wall-mounted mounting, desktop placement, embedded mounting, etc.

While the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modifications or substitutions do not depart from the spirit and scope of the embodiments of the utility model.

Claims (10)

1. An integrated high-power supply structure (200) is characterized in that the power supply structure (200) comprises a first circuit board (21), a second circuit board (22) and an air cooling radiating unit;

A charging interface (211) and a discharging interface (212) are arranged on the first side of the first circuit board (21) in the x-axis direction, the charging interface (211) is used for being connected with charging equipment, and the discharging interface (212) is used for being connected with the equipment to be charged;

The second circuit board (22) is arranged above the first circuit board (21) in the z-axis direction and is parallel to the first circuit board (21), and the second circuit board (22) is electrically connected with the first circuit board (21);

The air cooling radiating unit is arranged between the first circuit board (21) and the second circuit board (22) and is fixed on the first end of the first circuit board (21) in the y-axis direction;

wherein the x-axis, the y-axis and the z-axis are perpendicular to each other.

2. The integrated high-power supply structure (200) according to claim 1, wherein the air cooling heat dissipation unit comprises at least one fan (232) and at least one radiator (231), the radiator (231) is arranged on the first circuit board (21), the radiator (231) is provided with a plurality of heat dissipation air channels (2311), the length direction of the heat dissipation air channels (2311) is parallel to the y axis, and one end of the length direction of the heat dissipation air channels (2311) is provided with an air inlet;

An air outlet (2321) of the fan member (232) is aligned with the air inlet in the y-axis direction.

3. The integrated high-power supply structure (200) according to claim 1, wherein the first circuit board (21) is provided with a positive terminal (213), a negative terminal (214) and a high-current terminal (217) on a second side in the x-axis direction, the high-current terminal (217) being located between the positive terminal (213) and the negative terminal (214);

The first circuit board (21) is further provided with a safety piece (215), extension plates (2151) are arranged at two ends of the safety piece (215), fixing holes are formed in the extension plates (2151), and the safety piece (215) is fixedly connected with the high-current terminal (217) and the negative terminal (214) through a fixing piece (2152) along the z-axis direction and penetrating through the fixing holes.

4. The integrated high-power supply structure (200) according to claim 1, wherein a battery detection terminal (221), a signal display terminal (222), and a communication terminal (223) are provided at an end of the second circuit board (22) near the second side in the x-axis direction.

5. The integrated high-power supply structure (200) according to claim 1, wherein the first end is provided with an electrical component (216), the electrical component (216) comprising a plurality of electrical connectors (2161) and a connecting plate (2162) sleeved and fixed on the electrical connectors (2161);

One end of the electric connecting piece (2161) is fixedly connected with the first circuit board (21), and the other end of the electric connecting piece passes through the connecting board (2162) to be connected with the second circuit board (22).

6. The integrated high power supply structure (200) of claim 1, wherein the charging interface (211) comprises an AC input interface (2111) and a photovoltaic charging interface (2112), and the discharging interface (212) is an AC output interface.

7. A power supply system, the power supply system comprising:

the integrated high power supply structure (200) of any of the above claims 1-6;

The shell comprises an upper shell (310) and a lower shell (320), wherein the upper shell (310) and the lower shell (320) are locked to form a mounting cavity (330), and the power supply structure (200) is arranged in the mounting cavity (320);

And the battery pack (100) is arranged outside the shell and is connected with the power supply structure (200).

8. The power supply system according to claim 7, characterized in that a first side wall (321) of the lower housing (320) in the y-axis direction is provided with at least one engagement opening (3211) for engagement of the air-cooled heat dissipating unit, and a second side wall (322) remote from the first side wall (321) in the y-axis direction is provided with at least one ventilation window (3221), the ventilation window (3221) being adapted to dissipate heat in the mounting cavity (330) out of the housing.

9. The power system of claim 8, further comprising a plurality of locking members (340);

The lower shell (320) is provided with a third side wall (323) in the x-axis direction, the third side wall (323) is provided with a first mounting plate (3231), and the upper shell (310) is fixedly connected with the first mounting plate (3231) through at least one locking piece (340);

Two ends of the fourth side wall (312) of the upper shell (310) in the y-axis direction are respectively provided with a second mounting plate (3121), and the two second mounting plates (3121) are respectively fixedly connected with the first side wall (321) and the second side wall (322) through at least one locking piece (340).

10. The power system of claim 8, wherein the lower housing (320) is provided with a plurality of mounting brackets (324).