CN217956968U - Inverter and power supply system comprising same - Google Patents

Abstract

The utility model provides an inverter and electrical power generating system who contains this inverter, this inverter includes: the device comprises a shell, a circuit control system, at least one sliding connection part, at least one external power supply input end and an output interface group. The circuit control system is arranged in the shell. At least one sliding connection part is arranged on the side wall of the shell and is configured to be physically locked with the sliding connection part when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, and the battery pack is electrically connected with the circuit control system through the electric connection terminal of the sliding connection part; the circuit control system comprises a shell, at least one external power supply input end, a control circuit and a control circuit, wherein the shell is provided with a circuit control system; the output interface group comprises a direct current interface unit and/or an alternating current interface unit, and the direct current interface unit and/or the alternating current interface unit are electrically connected with corresponding terminals of the circuit control system. The inverter does not need to be additionally configured as a device for charging the battery pack, and space is saved.

Description

Inverter and power supply system comprising same

Technical Field

The utility model relates to a current conversion technology field, concretely relates to dc-to-ac converter and electrical power generating system who contains this dc-to-ac converter.

Background

The inverter is a converter which converts direct current electric energy (batteries and storage batteries) into constant-frequency constant-voltage or frequency-modulation voltage-regulation alternating current. The inverter is widely applied to the fields of air conditioners, home theaters, gardening tools and the like. The battery pack inverter in the market at present generally uses a battery pack as an output power source to perform inversion, or outputs high-voltage alternating current (such as 110V,220V high-voltage power) through DC-AC. Or DC-DC output low voltage DC. When the outdoor work is carried out, an alternating current power supply or a direct current power supply is often needed to supply power for some work or facilities, a traditional inverter converts and outputs electric energy of a battery pack to supply power for electric equipment, after the electric energy of the battery pack is consumed, the battery pack cannot be directly charged through the inverter, charging equipment needs to be additionally configured to charge the battery pack, namely, a user needs to be simultaneously configured with the inverter and the charging equipment, not only is the occupied space occupied, but also the work burden of an operator when the operator transfers the equipment is increased.

SUMMERY OF THE UTILITY MODEL

In view of the shortcomings of the prior art, the utility model provides an inverter and power supply system who contains this inverter to improve the problem that current inverter can't provide charging service for the battery package, still need to be equipped with battery package charging equipment in addition when the field work.

To achieve the above and other related objects, the present invention provides an inverter including: the device comprises a shell, a circuit control system, at least one sliding connection part, at least one external power supply input end and an output interface group. A circuit control system is mounted within the housing. At least one sliding connection part is arranged on the side wall of the shell and is configured to be physically locked with the sliding connection part when a battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, and the battery pack is electrically connected with the circuit control system through the electric connection terminal of the sliding connection part; the circuit control system comprises a shell, at least one external power supply input end, a control circuit and a power supply control circuit, wherein the shell is provided with a circuit control system; and the output interface group is arranged on the shell and comprises a direct current interface unit and/or an alternating current interface unit, and the direct current interface unit and/or the alternating current interface unit are electrically connected with corresponding terminals of the circuit control system.

In an embodiment of the present invention, the circuit control system includes a battery management system, an inverter circuit module and a control board, and the control board is electrically connected to the battery management system. The inverter circuit module is electrically connected with the battery management system and the control panel respectively.

The utility model discloses an embodiment, the overlooking profile of casing on the horizontal plane is the H type, the dc-to-ac converter is including an even number sliding connection portion, an even number sliding connection portion symmetry is installed in the recess of H type both sides, and the slip direction all sets up along vertical direction.

The utility model discloses an embodiment of inverter, inverter still includes at least one in light, the display screen, at least one in light, the display screen disposes control switch, control switch with circuit control system's corresponding terminal electricity is connected.

The utility model discloses an embodiment of inverter, inverter still includes the control switch group, the control switch group is including the first switch that is used for controlling the direct current output interface unit break-make, the second switch that is used for controlling the alternating current output interface unit break-make, the third switch that is used for control system to reset and wireless communication mode to switch, and is used for control the power button of inverter break-make.

The utility model discloses in an embodiment of the inverter, the inverter still includes can with smart machine wireless connection's wireless communication module. The wireless communication module comprises a wifi module and/or a Bluetooth module.

In an embodiment of the present invention, the inverter further includes a handle, both ends of the handle are mounted on the top of the housing, and extend out under the external force, and are reset under the action of the elastic component after the external force is removed.

In an embodiment of the present invention, after the battery pack is physically locked on the sliding connection portion, the bottom of the battery pack is higher than the bottom mounting surface of the inverter, and the bottom of the battery pack is at least partially exposed to the air.

In an embodiment of the present invention, the same interface in the output interface group is located on the same side of the housing.

In an embodiment of the present invention, the inverter further includes a heat dissipation assembly, the heat dissipation assembly includes at least one fan installed in the housing and electrically connected to the circuit control system, and at least one heat dissipation window disposed on the housing.

The utility model discloses in an embodiment of the inverter, the inverter still includes the temperature detecting element, the temperature detecting element with circuit board group electricity is connected, and gathers circuit control system and/or the temperature in the holding intracavity.

In an embodiment of the present invention, the mechanical connection structure includes a guide rail pair or a guide groove disposed on the housing, and a locking structure matched with the battery pack and locking the battery pack.

In an embodiment of the present invention, a power line storage compartment is disposed at the interface of the at least one external power input end, and a compartment door is installed in the power line storage compartment.

The utility model also provides a power supply system, including the dc-to-ac converter and with at least one battery package that the dc-to-ac converter electricity is connected, the dc-to-ac converter includes: the device comprises a shell, a circuit control system, at least one sliding connection part, at least one external power supply input end and an output interface group. A circuit control system is mounted within the housing. At least one sliding connection part is arranged on the side wall of the shell and is configured to be physically locked with the sliding connection part when a battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, and the battery pack is electrically connected with the circuit control system through the second end of the sliding connection part; at least one external power supply input end is arranged on the shell and is configured to be electrically connected with an external power supply at one end and electrically connected with the circuit control system at the other end; the output interface group is installed on the shell and comprises a direct current interface unit and/or an alternating current interface unit, and the direct current interface unit and/or the alternating current interface unit are electrically connected with corresponding terminals of the circuit control system.

The utility model discloses dc-to-ac converter and electrical power generating system who contains this dc-to-ac converter can charge for installing the battery package on sliding connection portion when inserting external power supply to can remove the back at external power supply, can provide the electric energy for output interface group through installing the battery package on sliding connection portion. The utility model discloses the contravariant function of power both can be realized to the dc-to-ac converter and the electrical power generating system who contains this dc-to-ac converter, to the electric energy that outer output is fit for, can reverse charge for the battery package moreover, need not configure in addition to the equipment that the battery package charges, practiced thrift the space, the work burden when having reduced operating personnel transfer equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 three-dimensional schematic view of a viewing angle of an embodiment of the present invention;

fig. 2 is a three-dimensional schematic diagram of another view angle of an embodiment of the inverter of the present invention;

fig. 3 is an exploded view of an embodiment of the inverter of the present invention;

fig. 4 is a left side view of an embodiment of the inverter of the present invention;

fig. 5 is a right side view of an embodiment of the inverter of the present invention;

fig. 6 is a top view of an embodiment of the inverter of the present invention;

fig. 7 is a three-dimensional structure diagram of an embodiment of the inverter according to the present invention with a portion of the housing removed;

fig. 8 is a three-dimensional schematic view of an embodiment of an inverter according to the present invention;

fig. 9 is an exploded view illustrating the installation of a handle according to an embodiment of the present invention;

fig. 10 is a three-dimensional view of an embodiment of the power system of the present invention;

fig. 11 is a front view of an embodiment of the power system of the present invention;

fig. 12 is a schematic circuit diagram of an embodiment of the inverter of the present invention.

Description of the element reference numerals:

100. an inverter; 110. a housing; 1111. a first housing; 1112. a second housing; 1113. a third housing; 1114. a fourth housing; 1115. a fifth housing; 1116. a sixth housing; 1121. a support leg; 113. A sliding connection portion; 118. a power cord storage compartment; 1181. a cabin door; 1131. a guide groove; 1132. an electrical connection terminal; 1133. a locking groove; 117. a handle; 1171. a first pressing block; 1172. a second pressing block; 1173. a first reed; 1174. a second reed; 1101. an illuminating lamp; 1102. a display screen; 1103. an illuminating lamp switch; 1104. a first heat dissipation window; 1105. a second heat dissipation window; 120. a circuit control system; 121. an inverter circuit module; 122. a battery management system; 123. a control panel; 130. an external power supply input end; 131. an alternating current input socket; 132. a solar charging socket; 140. an output interface group; 141. a USB interface; 142. A Type C interface; 143. a first switch; 144. a three-hole receptacle; 145. a second switch; 146. a fourth switch; 147. a power supply key; 148. a third switch; 161. a first fan; 162. a second fan; 200. A battery pack.

Detailed Description

The following embodiments of the present invention are provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.

Referring to fig. 1 to 12, the present invention provides an inverter and a power system including the inverter, wherein the inverter and the power system including the inverter can output suitable electric energy to the outside through the inversion function of the power supply, and can reversely charge the battery pack without being additionally configured as a device for charging the battery pack, thereby saving space and reducing workload when an operator transfers the device.

Referring to fig. 1 to 5, 10 and 12, the inverter 100 includes: the battery management system comprises a shell 110, a battery management system 122, a control board 123, an inverter circuit module 121, an output interface group 140, at least one external power input end 130 and at least one sliding connection part 113. The battery management system 122, the inverter circuit module 121 and the control board 123 together form the circuit control system 120 of the inverter 100. A battery management system 122 is mounted within the housing 110. An external power input 130 is disposed on the housing 110 and is used to electrically connect the battery management system 122 to an external power source. At least one sliding connection part 113 is disposed on a sidewall of the case 110 and has a mechanical connection structure and an electrical connection terminal 1132 matched with the battery pack 200. The electrical connection terminals 1132 are electrically connected to the battery management system 122. The sliding connection part is configured such that when the battery pack 200 is slid from the first end of the slide of the sliding connection part 113 to the second end of the slide of the sliding connection part, the battery pack is physically locked with the sliding connection part and is electrically connected with the circuit control system through the electrical connection terminal of the sliding connection part. A control board 123 is disposed in the housing 110 and electrically connected to the battery management system 122. The inverter circuit module 121 is disposed in the housing 110 and electrically connected to the battery management system 122 and the control board 123. The output interface set 140 is mounted on the housing 110, and each output interface in the output interface set 140 is electrically connected to a corresponding terminal of the control board 123. When the external power source is connected, the battery pack 200 installed on the sliding connection portion 113 can be charged, and when the external power source is removed, the battery pack 200 installed on the sliding connection portion 113 can provide power for the output interface set 140.

Referring to fig. 1, 3 and 6, the housing 110 has a receiving cavity therein, and the structural form of the housing 110 is not limited as long as the receiving cavity is provided for mounting the above components, for example, the housing 110 may be an integral housing 110 having a mounting opening at a lower portion thereof, or a combined housing 110 formed by splicing two or more pieces. Referring to fig. 3 and 6, in an embodiment of the inverter 100 of the present invention, the top view profile of the housing 110 on the horizontal plane is H-shaped, the housing 110 includes a first housing 1111, a second housing 1112, a third housing 1113, a fourth housing 1114, a fifth housing 1115 and a sixth housing 1116, the first housing 1111 and the second housing 1112 are fastened and fixed along the up-down direction, so as to form a main frame that is H-shaped in top view on the vertical direction, and the profile projection on the horizontal plane is H-shaped, and the bottom of the second housing 1112 is installed with a supporting leg 1121. The front side and the rear side of the main frame with the groove are respectively provided with a third shell 1113 and a fourth shell 1114, the left side and the right side of the main frame are respectively provided with a fifth shell 1115 and a sixth shell 1116, and the first shell 1111, the second shell 1112, the third shell 1113, the fourth shell 1114, the fifth shell 1115 and the sixth shell 1116 encircle to form an approximately H-shaped accommodating cavity. The H-shaped main frame can optimize the installation position of the battery pack and improve the strength of the main frame.

Referring to fig. 1 to 5, the battery management system 122 is detachably and fixedly installed in the accommodating cavity in the housing 110, and a discharging circuit (not shown) for controlling discharging of the battery pack 200 and a charging circuit (not shown) for controlling charging of the battery pack 200 are disposed on the battery management system 122. It should be noted that the Battery Management System 122 can be any suitable Battery Management System 122 in the prior art, such as a BMS motherboard System (Battery Management System) that includes a circuit for controlling charging and discharging of the Battery pack 200 and is commercially available, and the details are not repeated herein. In addition, the battery management system 122 may also include other circuits, such as one or more of common circuits of the existing battery system, including a control logic circuit, a filter circuit, a low voltage protection circuit, and a short circuit protection circuit.

Referring to fig. 1 to 5, the external power input terminal 130 is disposed on the housing 110, and is used for electrically connecting the battery management system 122 to an external power source. The specific form of the external power input terminal 130 can be flexibly selected according to the output structure of the external power, and if the output structure of the external power is a female socket, the external power input terminal 130 on the inverter 100 can be a male plug matched with the female terminal on the power. If the output structure of the external power supply is a male plug, the external power supply input terminal 130 of the inverter 100 may be a female socket matched with the male plug of the external power supply.

Referring to fig. 1 to 5, the at least one sliding connection portion 113 is disposed on an outer wall of the housing 110, and has a mechanical connection structure and an electrical connection terminal 1132 matched with the battery pack 200. The number of the sliding connection portions 113 may be specifically set according to the condition of the electric device, for example, one, two or more, in an embodiment of the present invention, the inverter 100 includes an even number of the sliding connection portions 113, the even number of the sliding connection portions 113 are symmetrically installed in the grooves of the H-shaped two sides, and the sliding directions are all set along the vertical direction. Specifically, in the present embodiment, the inverter 100 has four slide connecting portions 113, two of which are provided on the outer wall of the third housing 1113 and the other two of which are provided on the outer wall of the fourth housing 1114, and the two slide connecting portions 113 on the third housing 1113 and the two slide connecting portions 113 on the fourth housing 1114 are arranged symmetrically with respect to each other. The sliding directions of the four sliding connection portions 113 are all arranged in the vertical direction.

Referring to fig. 1 to 5, the output interface set 140 is disposed on the housing 110 and electrically connected to the corresponding terminal of the control board 123. The number of the output interface groups 140 may be specifically set according to the number of the electric devices, for example, the number may be one group, two groups, or more groups, and only one output interface group 140 is provided in this embodiment. The output interface group 140 includes a dc output interface unit and an ac output interface unit. The dc output interface unit and the ac output interface unit are disposed side by side on a lower side of an outer wall of the fifth housing 1115, and are electrically connected to corresponding output terminals of the control board 123, respectively.

Referring to fig. 3 and 4, in an embodiment of the present invention, the dc output interface unit includes three Type C interfaces 142 and two USB interfaces 141 supporting a power transmission protocol. Three Type C interfaces 142 and two USB interfaces 141 are disposed on a first region on the fifth housing 1115. The Power Delivery protocol (PD protocol for short) is one of the fast charging protocols, the Type of the Type C interface 142 may be selected according to the requirement, for example, the latest USB3.1 Type-C interface may be selected, and the designed maximum transmission rate 10Gbps (1 GB/s) is 2 times that of the USB 3.0. Of course, it can be understood by those skilled in the art that the number of the Type C interfaces 142 may be one, two or more. Considering that the USB interface 141 is also a common interface, once widely used in information communication products such as personal computers and mobile devices, in order to be compatible with old devices, and provide more comprehensive power inversion service, in an embodiment of the present invention, the dc output interface unit includes two USB interfaces 141, and the two USB interfaces 141 are electrically connected to the corresponding output terminals of the control board 123.

Referring to fig. 3 and 4, in the present invention, the ac output interface unit may include one, two or more ac output interfaces, in an embodiment of the inverter 100, the inverter 100 includes two ac output ports, and the two ac output interfaces are electrically connected to the ac output terminals corresponding to the control board 123 respectively. The two alternating current output interfaces are three-hole sockets 144, the two three-hole sockets 144 are disposed in the second region of the fifth housing 1115, one alternating current output interface is used for outputting 110V alternating current, and the other alternating current output interface is used for outputting 220V alternating current, so that power supply inversion service can be provided for 110V alternating current electric equipment and 220V alternating current electric equipment respectively. In another embodiment of the present invention, the inverter 100 includes only one ac output port, and one ac output port is electrically connected to the corresponding output terminal of the control board 123 and can output corresponding ac voltage, for example, 110V, 120V, 220V ac power.

Referring to fig. 3 and fig. 4, in an embodiment of the inverter 100 of the present invention, in order to implement more flexible output control, the inverter 100 further includes a control switch set, where the control switch set includes a first switch 143 for controlling on/off of the dc output interface unit and a second switch 145 for controlling on/off of the ac output interface unit. The first switch 143 is disposed on the first region, and controls the three Type C interfaces 142 and the two USB interfaces 141 to be turned on and off simultaneously. The connection position of the first switch 143 to the control board 123 is not limited, and the first switch may be provided on a trunk line of the dc output terminal of the control board 123, for example, so as to cut off the entire dc output, as long as the three Type C interfaces 142 and the two USB interfaces 141 can be simultaneously controlled to be turned on or off.

Referring to fig. 3 and 4, in an embodiment of the inverter 100 of the present invention, the setting position of the second switch 145 may include, but is not limited to, the second area, and the second switch 145 controls the on and off of two ac output interfaces simultaneously. The connection position of the second switch 145 in the control board 123 is not limited as long as it can simultaneously control the two ac output ports to be turned on or off, and may be provided on a trunk line of the ac output terminals of the control board 123, for example, so as to cut off the entire ac output.

Referring to fig. 3 and 4, in an embodiment of the present invention, the inverter 100 further includes a lighting lamp 1101 and a lighting lamp switch 1103, the lighting lamp 1101 is installed on an upper portion of the fifth housing 1115 and electrically connected to a corresponding output terminal of the control board 123, and the lighting lamp switch 1103 controls on and off of the lighting lamp 1101.

Referring to fig. 3 and 4, in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a display screen 1102, the display screen 1102 is mounted on the fifth housing 1115 and located between the lighting lamp 1101 and the output interface group 140, and the display screen 1102 is electrically connected to the output terminal of the control board 123 to obtain corresponding electric energy support. The display screen 1102 is an LCD display screen 1102, and low-voltage micro power consumption is achieved. The appearance is small and exquisite, can practice thrift the space.

Referring to fig. 3 and 4, in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a wireless communication module (not shown) capable of wirelessly connecting with an intelligent device. The wireless communication module includes a WiFi module (not shown) and a bluetooth module (not shown). The control switch group further comprises a third switch 148 for controlling system reset and wireless communication mode switching, and the WiFi module, the Bluetooth module and the third switch 148 are respectively electrically connected with the control board 123, and can perform data interaction with intelligent equipment through WiFi or Bluetooth. Those skilled in the art will appreciate that the inverter 100 may include only a WiFi module or a bluetooth module, but the wireless communication mode of this solution is relatively single.

Referring to fig. 6 and 9, in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a handle 117, one end of the handle 117 is mounted on the top of one side of the casing 110 through a first pressing block 1171, and the other end of the handle 117 is mounted on the top of the other side of the casing 110 through a second pressing block 1172. The handle 117 extends under the action of external force and is reset by the action of the elastic component after the external force is removed. The utility model discloses an embodiment, elastic component is reed class structure, first reed 1173 is installed to the one end of handle 117, second reed 1174 is installed to the other end of handle 117, first direction through-hole (not shown) has been seted up on first reed 1173, second direction through-hole (not shown) has been seted up on second reed 1174, and first direction through-hole and second direction through-hole are the through-hole of rectangular shape, and first fastener (not shown) pass in proper order through-hole on the epitheca first direction through-hole with first briquetting 1171 threaded connection. A second fastening member (not shown) sequentially passes through the through hole in the upper shell, and the second guide through hole is in threaded connection with the second pressing block 1172. Thus, when the handle 117 is pulled up after the first pressing piece 1171 and the second pressing piece 1172 are fixed on the housing, the first spring plate 1173 and the second spring plate 1174 are deformed and slide relative to the fastening member due to the existence of the guide through hole, thereby extending to facilitate pulling up. When the lifting force is removed, the first spring 1173 and the second spring 1174 are deformed again, so that the handle 117 is reset and retracted.

Referring to fig. 10 and 11, in an embodiment of the inverter 100 of the present invention, after the battery pack 200 is physically locked on the sliding connection portion 113, the bottom of the battery pack 200 is higher than the bottom carrying surface of the inverter 100, and at least a part of the bottom of the battery pack is exposed to the air. Thus, when the bottom mounting surface of the inverter 100 is placed on the mounting surface, the bottom of the battery pack 200 does not interfere with the mounting surface, so that the stability of the inverter 100 can be improved, and the battery can be better cooled.

Referring to fig. 3, 5 and 8, in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a heat dissipation assembly, the heat dissipation assembly includes at least one fan installed in the housing and electrically connected to the circuit control system and at least one heat dissipation window disposed on the housing, the number of the fan may be one, two or more, in this embodiment, the inverter 100 includes two fans respectively labeled as a first fan 161 and a second fan 162, a cooling channel (not shown) is disposed in the receiving cavity, the sixth housing 1116 is provided with a first heat dissipation window 1104, a second heat dissipation window 1105 is disposed at the bottom of the second housing 1112, the first heat dissipation window 1104 and the second heat dissipation window 1105 are both communicated with the receiving cavity, the first fan 161 and the second fan 162 are respectively installed in the receiving cavity at two sides of the circuit board set and are respectively electrically connected to the output terminal of the circuit control system 120 to obtain a corresponding electric energy support, so as to provide cooling airflow to the circuit board set 123.

In an embodiment of the present invention, the inverter 100 further includes a temperature detecting unit (not shown), the temperature detecting unit is electrically connected to the battery management system 122 and collects the temperature of the battery management system 122 and/or the accommodating cavity. When the temperature of the battery management system 122 or the temperature in the accommodating cavity is greater than a set threshold value, the circuit board group controls the fan to be turned on. The temperature detection unit may be a temperature detection circuit integrally provided on the battery management system 122, or may be a temperature sensor separately provided from the circuit board group. It should be noted that the control method for controlling the device to be turned on or off by comparing with the set threshold is applied to many fields of automation, and is not described herein again.

Referring to fig. 1 to 5 and 10, in an embodiment of the present invention, the mechanical connection structure includes a guide rail pair or a guide groove 1131 disposed on the housing 110, and a locking structure matched with the battery pack 200 for locking the battery pack 200. After the inverter 100 and the battery pack 200 are slidably coupled in place, the electrical connection terminal 1132 of the sliding coupling part 113 is electrically connected to the output terminal of the battery pack 200. In an embodiment of the present invention, the battery pack 200 is provided with a guide rail pair (not shown) and a locking member, the housing 110 is provided with a guide groove 1131 and a locking groove 1133, and after being physically locked, a locking body in the locking member is inserted into the locking groove 1133, thereby achieving the mutual locking of the battery pack 200 and the housing 110. When it is necessary to separate the battery pack 200 from the inverter 100, the unlocking button is pressed, and the locking body is retracted from the locking groove 1133 to unlock the battery pack 200 from the inverter 100. The positions of the rail pairs and the guide grooves 1131 may be interchanged, and for example, the rail pairs may be provided on the case 110 of the inverter 100, and the guide grooves 1131 may be provided on the battery pack 200, so long as the rail pairs and the battery pack 200 are provided in correspondence with each other. In addition, the locking component of the battery pack 200 of the present invention can be a locking standard component or a locking module commonly used in the power supply field, and can be obtained by general commercial means, which is not described herein again.

Referring to fig. 1 to 5, in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a power button 147 electrically connected to a corresponding terminal of the control board 123, and controls on/off of the inverter 100. The power button 147 is located on the outer sidewall parallel or approximately parallel to the sliding direction of the sliding connection portion 113, in an embodiment of the present invention, the power button 147 is disposed on the fifth housing 1115, so that the buttons are relatively concentrated and easy to control.

Referring to fig. 1 to 5, in an embodiment of the inverter 100 of the present invention, the external power source is a solar power generation device or an ac power source, and the external power source input end 130 includes an ac power input socket 131 for connecting with the ac power source, a solar charging socket 132 for electrically connecting with the solar power generation device, and a fourth switch 146 for switching the external power source. The sixth housing 1116 above the first heat dissipation window is further provided with a power line storage chamber 118, the interface of the at least one external power input end is provided with the power line storage chamber 118, the power line storage chamber 118 is provided with a elastically openable chamber door 1181, the ac power input socket 131 and the solar charging socket 132 are arranged in the power line storage chamber 118, the fourth switch 146 is arranged on the fifth housing 1115, and the input terminal of the battery control system is switched between the ac power input socket 131 and the solar charging socket 132. The power cord storage compartment 118 may store power cords to prevent loss of power cords due to misplacement. It should be noted that the structure of the elastically openable door 1181 may refer to the structure of the battery compartment door 1181 of the existing digital device, and will not be described herein again.

Referring to fig. 10 to 11, the present invention further provides a power supply system, which includes at least one battery pack 200 and the inverter 100 described in any one of the above embodiments, in an embodiment of the power supply system of the present invention, the inverter 100 includes: the battery management system comprises a shell 110, a battery management system 122, at least one external power input end 130, a control board 123, an inverter circuit module 121, an output interface group 140 and at least one sliding connection part 113. A battery management system 122 is mounted within the housing 110. An external power input 130 is disposed on the housing 110 and is used to electrically connect the battery management system 122 to an external power source. At least one sliding connection part 113 is disposed on a sidewall of the case 110 and has a mechanical connection structure and an electrical connection terminal 1132 matched with the battery pack 200. The electrical connection terminals 1132 are electrically connected to the battery management system 122. The sliding connection part is configured to physically lock the battery pack 200 with the sliding connection part and electrically connect with the circuit control system through the electrical connection terminal of the sliding connection part when the battery pack is slid from the first end of the slideway of the sliding connection part 113 to the second end of the slideway of the sliding connection part. A control board 123 is disposed in the housing 110 and electrically connected to the battery management system 122. The inverter circuit module 121 is disposed in the housing 110 and electrically connected to the battery management system 122 and the control board 123. The output interface set 140 is mounted on the housing 110, and each output interface in the output interface set 140 is electrically connected to a corresponding terminal of the control board 123.

The utility model discloses dc-to-ac converter and electrical power generating system who contains this dc-to-ac converter can charge for installing the battery package on sliding connection portion when inserting external power supply to can remove the back at external power supply, can provide the electric energy for output interface group through installing the battery package on sliding connection portion. The utility model discloses the contravariant function of power both can be realized to the dc-to-ac converter and the electrical power generating system who contains this dc-to-ac converter, to the electric energy that outer output is fit for, can reverse charge for the battery package moreover, need not configure in addition to the equipment that the battery package charges, practiced thrift the space, the work burden when having reduced operating personnel transfer equipment. The utility model discloses thereby some practical problems in the prior art have effectively been overcome and very high use value and use meaning have.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (11)

1. An inverter, comprising:

a housing;

a circuit control system mounted within the housing;

at least one sliding connection part arranged on the side wall of the shell and configured to be physically locked with the sliding connection part when a battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, and the battery pack is electrically connected with the circuit control system through an electric connection terminal of the sliding connection part;

the input end of at least one external power supply is arranged on the shell and used for electrically connecting the circuit control system with the external power supply;

and the output interface group is arranged on the shell and comprises a direct current interface unit and/or an alternating current interface unit, and the direct current interface unit and/or the alternating current interface unit are electrically connected with the corresponding terminals of the circuit control system.

2. The inverter of claim 1, wherein the circuit control system comprises a battery management system, an inverter circuit module, and a control board, the control board being electrically connected to the battery management system; the inverter circuit module is electrically connected with the battery management system and the control panel respectively.

3. The inverter according to claim 1, wherein the casing has an H-shaped profile in a plan view in a horizontal plane, and the inverter includes an even number of sliding connecting portions which are symmetrically installed in grooves on both sides of the H-shaped profile, and the sliding directions are arranged in a vertical direction.

4. The inverter of claim 1, further comprising at least one of a light and a display screen, wherein at least one of the light and the display screen is configured with a control switch, and the control switch is electrically connected with a corresponding terminal of the circuit control system.

5. The inverter of claim 1, further comprising a control switch set, wherein the control switch set comprises a first switch for controlling the on/off of the dc output interface unit, a second switch for controlling the on/off of the ac output interface unit, a third switch for controlling the system reset and the wireless communication mode switching, and a power button for controlling the on/off of the inverter.

6. The inverter of claim 1, further comprising a wireless communication module wirelessly connectable to a smart device; the wireless communication module comprises a wifi module and/or a Bluetooth module.

7. The inverter of claim 1, further comprising a handle, wherein both ends of the handle are mounted on the top of the housing and extend under an external force, and wherein the handle is restored by an elastic member after the external force is removed.

8. The inverter of claim 1, wherein after the battery pack is physically locked on the sliding connection portion, a bottom of the battery pack is higher than a bottom mounting surface of the inverter and the bottom of the battery pack is at least partially exposed to air.

9. The inverter of claim 1, further comprising a heat sink assembly comprising at least one fan mounted within the housing and electrically connected to the circuit control system and at least one heat sink window disposed on the housing.

10. The inverter of claim 1, wherein a power cord storage compartment is provided at an interface of the at least one external power input, the power cord storage compartment being fitted with a hatch.

11. A power supply system comprising an inverter and at least one battery pack electrically connected to the inverter, the inverter comprising:

a housing;

the circuit control system is arranged in the shell;

at least one sliding connection part arranged on the side wall of the shell and configured to be physically locked with the sliding connection part when a battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, and the battery pack is electrically connected with the circuit control system through an electric connection terminal of the sliding connection part;

the circuit control system comprises a shell, at least one external power supply input end, a control circuit and a power supply control circuit, wherein the shell is provided with a circuit control system;

and the output interface group is arranged on the shell and comprises a direct current interface unit and/or an alternating current interface unit, and the direct current interface unit and/or the alternating current interface unit are electrically connected with corresponding terminals of the circuit control system.

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