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

Abstract

The utility model provides an inverter and a power supply system including the inverter. The inverter includes: a housing, a circuit control system, at least one sliding connection part, at least one external power input terminal and an output interface group. The circuit control system is installed in the casing. At least one sliding connection part is disposed on the side wall of the casing, and it is configured such that when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, the battery pack and the sliding connection part are physically locked, and The electrical connection terminal of the sliding connection part is electrically connected to the circuit control system; at least one kind of external power supply input terminal is arranged on the housing for electrically connecting the circuit control system to the external power supply; the output interface group includes a DC interface unit and/or Or the AC interface unit, the DC interface unit and/or the AC interface unit are electrically connected to corresponding terminals of the circuit control system. The inverter does not need additional equipment for charging the battery pack, which saves space.

Description

An inverter and a power supply system including the inverter

technical field

The utility model relates to the technical field of current conversion, in particular to an inverter and a power supply system including the inverter.

Background technique

The inverter is a converter that converts DC power (battery, storage battery) into constant frequency and constant voltage or frequency modulation and voltage modulation AC power. Inverters are widely used in air conditioners, home theaters, garden tools and other fields. The battery pack inverters currently on the market generally use the battery pack as the output power for inversion, or DC-AC output high-voltage alternating current (such as 110V, 220V high-voltage power). Or DC-DC output low-voltage direct current. When working outdoors, AC power or DC power is often needed to power some work or facilities. The traditional inverter converts the power of the battery pack and outputs it as power for the electrical equipment. When the power of the battery pack is exhausted, the other It is not possible to directly charge the battery pack through the inverter, but an additional charging device is required to charge the battery pack, that is, the user must configure an inverter and a charging device at the same time, which not only takes up space, but also increases the time for the operator to transfer the device workload.

Utility model content

In view of the above shortcomings of the prior art, the utility model provides an inverter and a power supply system including the inverter, so as to improve that the existing inverter cannot provide charging service for the battery pack, and additional equipment is required when working outdoors Problems with battery pack charging equipment.

To achieve the above purpose and other related purposes, the utility model provides an inverter, which includes: a casing, a circuit control system, at least one sliding connection part, at least one external power input terminal and an output interface group. The circuit control system is installed in the housing. At least one sliding connection part is disposed on the side wall of the housing, which is configured such that when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, the battery pack Physically locked with the sliding connection part, and electrically connected to the circuit control system through the electrical connection terminal of the sliding connection part; at least one external power supply input terminal is arranged on the housing for connecting the The circuit control system is electrically connected to the external power supply; the output interface group is installed on the housing, and the output interface group includes a DC interface unit and/or an AC interface unit, and the DC interface unit and/or the AC interface unit are connected to the The corresponding terminals of the circuit control system are electrically connected.

In an embodiment of the inverter 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 to the battery management system and the control board respectively.

In an embodiment of the inverter of the present invention, the profile of the shell on the horizontal plane is H-shaped, and the inverter includes an even number of sliding connection parts, and the even number of sliding connection parts are symmetrically installed on the In the grooves on both sides of the H-shaped, and the sliding direction is set along the vertical direction.

In an embodiment of the inverter of the present invention, the inverter further includes at least one of a lighting lamp and a display screen, at least one of the lighting lamp and the display screen is equipped with a control switch, and the control switch and Corresponding terminals of the circuit control system are electrically connected.

In an embodiment of the inverter of the present invention, the inverter further includes a control switch group, and the control switch group includes a first switch for controlling the on-off of the DC output interface unit, and a first switch for controlling the AC output interface unit. A second switch for on-off, a third switch for controlling system reset and switching of wireless communication modes, and a power button for controlling on-off of the inverter.

In an embodiment of the inverter of the present invention, the inverter further includes a wireless communication module that can be wirelessly connected with smart devices. The wireless communication module includes a wifi module and/or a bluetooth module.

In an embodiment of the inverter of the present invention, the inverter further includes a handle, the two ends of the handle are installed on the top of the housing, and protrude under the action of an external force, and when the external force is removed Finally, it is reset by the action of the elastic component.

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

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

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

In an embodiment of the inverter of the present invention, the inverter further includes a temperature detection unit, the temperature detection unit is electrically connected to the circuit board group, and collects the temperature of the circuit control system and/or the capacitor temperature inside the chamber.

In an embodiment of the inverter of the present invention, the mechanical connection structure includes a guide rail pair or a guide groove provided on the housing, and a locking structure matching with the battery pack to lock the battery pack.

In an embodiment of the inverter of the present invention, a power cord storage compartment is provided at the interface of the at least one type of external power supply input end, and a hatch door is installed in the power cord storage compartment.

The utility model also provides a power supply system, which includes an inverter and at least one battery pack electrically connected to the inverter, and the inverter includes: a housing, a circuit control system, at least one sliding connection part, at least one An external power supply input terminal and output interface group. The circuit control system is installed in the housing. At least one sliding connection part is disposed on the side wall of the housing, which is configured such that when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, the battery pack Physically locked with the sliding connection part, and electrically connected with the circuit control system through the second end of the sliding connection part; The power supply is electrically connected, and the other end is electrically connected to the circuit control system; the output interface group is installed on the housing, and the output interface group includes a DC interface unit and/or an AC interface unit, and the DC interface unit and/or The AC interface unit is electrically connected to the corresponding terminal of the circuit control system.

The inverter of the utility model and the power supply system including the inverter can charge the battery pack installed on the sliding connection part when the external power supply is connected, and can be installed on the sliding connection part after the external power supply is removed. The battery pack on the connecting part provides electric energy for the output interface group. The inverter of the utility model and the power supply system containing the inverter can not only realize the inverter function of the power supply, output suitable electric energy to the outside, but also can reversely charge the battery pack, without additionally configuring equipment for charging the battery pack, saving energy. It saves space and reduces the workload of operators when transferring equipment.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a three-dimensional schematic diagram of a viewing angle of an embodiment of the inverter of the present invention;

Fig. 2 is a three-dimensional schematic diagram of another perspective of an embodiment of the inverter of the present invention;

Fig. 3 is an exploded diagram of an embodiment of the inverter of the present invention;

Fig. 4 is a left view of an embodiment of the utility model inverter;

Fig. 5 is a right 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 after part of the housing is removed in an embodiment of the inverter of the present invention;

Fig. 8 is a three-dimensional schematic diagram of an embodiment of an inverter of the present invention viewed from above;

Fig. 9 is an exploded view of the installation of the handle in an embodiment of the inverter of the present invention;

Fig. 10 is a three-dimensional diagram of an embodiment of the power supply system of the present invention;

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

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

Component label description:

100. Inverter; 110. Housing; 1111. First housing; 1112. Second housing; 1113. Third housing; 1114. Fourth housing; 1115. Fifth housing; 1116. Sixth Shell; 1121, legs; 113, sliding connection; 118, power cord storage compartment; 1181, hatch; 1131, guide slot; 1132, electrical connection terminal; 1133, locking slot; 117, handle; 1171, first Press block; 1172, second press block; 1173, first reed; 1174, second reed; 1101, lighting lamp; 1102, display screen; 1103, lighting switch; 1104, first cooling window; 1105, second 2. Heat dissipation window; 120, circuit control system; 121, inverter circuit module; 122, battery management system; 123, control panel; 130, external power input terminal; 131, AC input socket; 132, solar charging socket; 140, output Interface group; 141, USB interface; 142, Type C interface; 143, first switch; 144, three-hole socket; 145, second switch; 146, fourth switch; 147, power button; 148, third switch; 161 . The first fan; 162. The second fan; 200. The battery pack.

detailed description

The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. It should also be understood that the terminology used in the embodiments of the present utility model is for describing a specific implementation, but not for limiting the protection scope of the present utility model. The test methods for which specific conditions are not indicated in the following examples are usually in accordance with conventional conditions, or in accordance with the conditions suggested by each manufacturer.

It should be noted that terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

Please refer to Fig. 1 to Fig. 12, the utility model provides an inverter and a power supply system including the inverter, the inverter and the power supply system including the inverter can realize the inverter function of the power supply for external output Appropriate power, and can charge the battery pack in reverse, without additional equipment for charging the battery pack, saving space and reducing the workload of operators when transferring equipment.

Please refer to Fig. 1 to Fig. 5 and Fig. 10 and Fig. 12, the inverter 100 includes: a casing 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 113. Wherein, the battery management system 122 , the inverter circuit module 121 and the control board 123 together constitute the circuit control system 120 of the inverter 100 . The battery management system 122 is installed in the casing 110 . The external power supply input terminal 130 is arranged on the housing 110, and is used for electrically connecting the battery management system 122 with an external power supply. At least one sliding connection part 113 is disposed on the side wall of the housing 110 and has a mechanical connection structure and an electrical connection terminal 1132 matching the battery pack 200 . The electrical connection terminal 1132 is electrically connected to the battery management system 122 . The sliding connection part is configured such that when the battery pack 200 slides 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, the battery pack and the sliding connection part Physically locked, and electrically connected to the circuit control system through the electrical connection terminal of the sliding connection part. The control board 123 is disposed in the housing 110 and is electrically connected to the battery management system 122 . The inverter circuit module 121 is arranged in the casing 110 and electrically connected with the battery management system 122 and the control board 123 . The output interface group 140 is mounted on the housing 110 , and each output interface in the output interface group 140 is electrically connected to the corresponding terminal of the control board 123 . When the external power supply is connected, the battery pack 200 installed on the sliding connection part 113 can be charged. When the external power supply is removed, the battery pack 200 installed on the sliding connection part 113 can provide electric energy for the output interface group 140.

Please refer to Fig. 1, Fig. 3 and Fig. 6, the housing 110 is provided with accommodating cavities, as long as there are accommodating cavities required for the installation of the above-mentioned components, the structural form of the housing 110 is not limited, for example, it can be An integral casing 110 with an installation opening at the bottom, or a combined casing 110 formed by combining two or more pieces. Please refer to FIG. 3 and FIG. 6 in detail. 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, and the housing 110 includes a first housing 1111, a second The second housing 1112, the third housing 1113, the fourth housing 1114, the fifth housing 1115 and the sixth housing 1116, the first housing 1111 and the second housing 1112 are buckled and fixed along the up and down direction , so as to form a main frame that is viewed from above in the vertical direction and has an H-shaped profile projection on the horizontal plane, and the bottom of the second housing 1112 is equipped with feet 1121 . The main frame has a third housing 1113 and a fourth housing 1114 respectively installed on the front and rear sides of the groove, and a fifth housing 1115 and a sixth housing 1116 are respectively installed on the left and right sides of the main frame. The body 1111 , the second shell 1112 , the third shell 1113 , the fourth shell 1114 , the fifth shell 1115 and the sixth shell 1116 surround and form an approximately H-shaped accommodation chamber. The H-shaped main frame can not only optimize the installation position of the battery pack, but also improve the strength of the main frame.

Referring to FIGS. 1 to 5, the battery management system 122 is detachably and fixedly installed in the housing chamber 110, and the battery management system 122 is provided with a discharge circuit (not shown) for controlling the discharge of the battery pack 200. out) and a charging circuit (not shown) for controlling charging of the battery pack 200. It should be noted that the battery management system 122 can be any existing battery management system 122, such as a BMS motherboard system (Battery Management System), the motherboard system includes a circuit that can control the charging and discharging of the battery pack 200, and can pass Obtained by general commercial means, so I won’t repeat them here. In addition, the battery management system 122 may also have other circuits at the same time, for example, it may include one or more of common circuits in existing battery systems such as control logic circuit, filter circuit, low voltage protection circuit and short circuit protection circuit.

Please refer to FIG. 1 to FIG. 5 , the external power input terminal 130 is disposed on the casing 110 and is used for electrically connecting the battery management system 122 with an external power supply. The specific form of the external power supply input terminal 130 can be flexibly selected according to the output structure of the external power supply. If the output structure of the external power supply is a female socket, the external power supply input terminal 130 on the inverter 100 can be connected to the female socket on the power supply. Male tabs that match the terminals. If the output structure of the external power supply is a male plug, the external power input terminal 130 on the inverter 100 may be a female socket matching the male plug on the external power supply.

Referring to FIGS. 1 to 5 , the at least one sliding connection part 113 is disposed on the outer wall of the housing 110 and has a mechanical connection structure and an electrical connection terminal 1132 matching the battery pack 200 . The number of sliding connection parts 113 can be set depending on the situation of the electrical equipment, for example, it can be one, two or more. In an embodiment of the inverter 100 of the present invention, the inverter 100 includes An even number of sliding connection parts 113, the even number of sliding connection parts 113 are symmetrically installed in the grooves on both sides of the H-shape, and the sliding directions are all set along the vertical direction. Specifically, in this embodiment, the inverter 100 has four sliding connection parts 113, two of which are arranged on the outer wall of the third casing 1113, and the other two are arranged on the outer wall of the fourth casing 1114, The two sliding connection parts 113 on the third casing 1113 and the two sliding connection parts 113 on the fourth casing 1114 are arranged symmetrically to each other. The sliding directions of the four sliding connecting parts 113 are all set along the vertical direction.

Referring to FIG. 1 to FIG. 5 , the output interface group 140 is disposed on the casing 110 and electrically connected to corresponding terminals of the control board 123 . The number of output interface groups 140 can be set depending on the number of electric devices, for example, it can be one group, two groups or more groups. In this embodiment, only one group of output interface groups 140 is provided. 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 arranged side by side on the lower side of the outer wall of the fifth casing 1115, and are respectively electrically connected to the corresponding output terminals of the control board 123.

Please refer to FIG. 3 and FIG. 4 . In an embodiment of the present invention, the DC output interface unit includes three Type C interfaces 142 supporting power transfer protocols and two USB interfaces 141 . Three Type C ports 142 and two USB ports 141 are disposed on the first area on the fifth housing 1115 . The Power Delivery Protocol (PD protocol for short) is one of the fast charging protocols. The type of Type C interface 142 can be selected according to the needs. For example, the latest USB3.1Type-C interface can be selected, and the maximum transmission rate of its design is 10Gbps (1GB /s) is twice that of USB3.0. Of course, those skilled in the art can understand that the number of Type C interfaces 142 can also be one, two or more. Considering that the USB interface 141 is also a relatively common interface, which has been 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 inverter services, in an embodiment of the utility model, The DC output interface unit includes two USB interfaces 141 , and the two USB interfaces 141 are electrically connected to corresponding output terminals of the control board 123 .

Please refer to Fig. 3 and Fig. 4. In the present utility model, the AC output interface unit may include one, two or more AC output interfaces. In an embodiment of the inverter 100 of the present utility model, the inverter The switch 100 includes two AC output ports, and the two AC output interfaces are respectively electrically connected to the corresponding AC output terminals of the control board 123 . The two AC output interfaces are three-hole sockets 144, and the two three-hole sockets 144 are arranged on the second area of the fifth housing 1115, one AC output interface is used to output 110V AC power, and the other AC output interface is used for Output 220V AC power, so as to provide power inverter service for 110V AC power equipment and 220V AC power equipment respectively. In another embodiment of the inverter 100 of the present invention, the inverter 100 only includes one AC output port, one AC output port is electrically connected to the corresponding output terminal of the control board 123, and can output the corresponding AC voltage, For example, output 110V, 120V, 220V AC.

Please refer to Fig. 3 and Fig. 4, in an embodiment of the inverter 100 of the present invention, in order to realize more flexible output control, the inverter 100 also includes a control switch group, and the control switch group includes The first switch 143 for controlling the on-off of the DC output interface unit and the second switch 145 for controlling the on-off of the AC output interface unit. The first switch 143 is disposed on the first area, and controls the opening and closing of the three Type C interfaces 142 and the two USB interfaces 141 at the same time. It should be noted that the connection position of the first switch 143 to the control board 123 is not limited, as long as the three Type C interfaces 142 and the two USB interfaces 141 can be controlled to be turned on or off at the same time, for example, it can be set on the control board 123 DC output terminal on the main road, thus cutting off the entire DC output.

Please refer to Fig. 3 and Fig. 4, in an embodiment of the inverter 100 of the present invention, the setting position of the second switch 145 may include but not limited to the second area, and the second switch 145 simultaneously Control the opening and closing of the two AC output interfaces. It should be noted that the connection position of the second switch 145 in the control board 123 is not limited, as long as it can control the opening or closing of the two AC output interfaces at the same time, for example, it can be set on the main road of the AC output terminal of the control board 123, Thus cutting off the entire AC output.

Please refer to Fig. 3 and Fig. 4, in an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a lighting lamp 1101 and a lighting switch 1103, and the lighting lamp 1101 is installed in the fifth housing The upper part of the body 1115 is electrically connected to the corresponding output terminal of the control board 123 , and the lighting switch 1103 controls the turning on and off of the lighting lamp 1101 .

Please refer to Fig. 3 and Fig. 4, in an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a display screen 1102, the display screen 1102 is installed on the fifth casing 1115, and Located between the lighting lamp 1101 and the output interface group 140 , 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 with low-voltage micro power consumption. The appearance is small and exquisite, which can save space.

Please refer to FIG. 3 and FIG. 4 , in an embodiment of the inverter 100 of the present invention, the inverter 100 further includes a wireless communication module (not shown) that can be wirelessly connected to smart devices. The wireless communication module includes a WiFi module (not shown) and a Bluetooth module (not shown). The control switch group also includes a third switch 148 for controlling system reset and wireless communication mode switching. The WiFi module, the Bluetooth module and the third switch 148 are electrically connected to the control board 123 respectively, and can be connected to smart devices through WiFi or Bluetooth. Data interaction. Those skilled in the art can understand that the inverter 100 may only include a WiFi module or a Bluetooth module, but the wireless communication method of this solution is relatively simple.

6 and 9, in an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a handle 117, and one end of the handle 117 is installed on the On the top of one side of the housing 110 , the other end of the handle 117 is mounted on the top of the other side of the housing 110 through the second pressing block 1172 . The handle 117 protrudes under the action of external force, and resets through the action of the elastic component after the external force is removed. In one embodiment of the present utility model, the elastic member is a reed-like structure, a first reed 1173 is installed on one end of the handle 117, and a second reed 1174 is installed on the other end of the handle 117, The first reed 1173 is provided with a first guide hole (not shown), the second reed 1174 is provided with a second guide hole (not shown), the first guide hole and the second guide hole The guide through hole is an elongated through hole, the first fastener (not shown) passes through the through hole on the upper shell in turn, and the first guide through hole is screwed to the first pressing block 1171 . A second fastener (not shown) passes through the through hole on the upper shell, the second guide through hole and is threadedly connected with the second pressing block 1172 in sequence. After the first pressing block 1171 and the second pressing block 1172 are fixed on the housing, when the handle 117 is pulled, due to the existence of the guide through hole, the first reed 1173 and the second reed 1174 are deformed and relatively tight. The fastener slides so that it extends for easy lifting. When the lifting force is removed, the first reed 1173 and the second reed 1174 recover to deform, so that the handle 117 returns and retracts.

Please refer to Fig. 10 and Fig. 11. In an embodiment of the inverter 100 of the present invention, after the battery pack 200 is physically locked on the sliding connection part 113, the bottom of the battery pack 200 is higher than the inverter. The bottom loading surface of the inverter 100, and the bottom of the battery pack is at least partially exposed to the air. In this way, on the one hand, when the bottom loading surface of the inverter 100 is placed on the loading surface, the bottom of the battery pack 200 will not interfere with the loading surface, which can improve the placement stability of the inverter 100; Cool the battery.

Please refer to Fig. 3, Fig. 5 and Fig. 8, in an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a heat dissipation assembly, and the heat dissipation assembly is installed in the housing and connected to the At least one fan electrically connected to the circuit control system and at least one heat dissipation window provided on the housing, the number of fans can be one, two or more, in this embodiment, the inverter 100 includes two A fan, marked as a first fan 161 and a second fan 162, a cooling passage (not shown) is provided in the accommodating cavity, a first heat dissipation window 1104 is provided in the sixth housing 1116, and a first cooling window 1104 is provided in the sixth housing 1116. The bottom of the second casing 1112 is provided with a second heat dissipation window 1105, the first heat dissipation window 1104 and the second heat dissipation window 1105 are all in communication with the accommodating cavity, and the first fan 161 and the second fan 162 are respectively installed The accommodating chambers on both sides of the circuit board group are electrically connected to the output terminals of the circuit control system 120 to obtain corresponding power support, thereby providing cooling airflow to the control board 123 circuit board group.

In an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a temperature detection unit (not shown), the temperature detection unit is electrically connected to the battery management system 122, and collects the temperature of the battery The temperature in the management system 122 and/or the containing cavity. When the temperature of the battery management system 122 or the temperature in the accommodating cavity is greater than a set threshold, the circuit board group controls the fan to be turned on. The temperature detection unit may be a temperature detection circuit integrated on the battery management system 122, or may be a temperature sensor separately provided from the circuit board assembly. It should be noted that this control method of controlling the device to be turned on or off by comparing with the set threshold is widely used in the field of automation, and will not be repeated here.

Please refer to FIG. 1 to FIG. 5 and FIG. 10. In an embodiment of the inverter 100 of the present invention, the mechanical connection structure includes a guide rail pair or a guide groove 1131 provided on the housing 110, and is connected with the The battery pack 200 matches a locking structure that locks the battery pack 200 . After the inverter 100 is slidably connected to the battery pack 200 in place, the electrical connection terminal 1132 of the sliding connection part 113 is electrically connected to the output terminal of the battery pack 200 . In an embodiment of the inverter 100 of the present invention, the battery pack 200 is provided with a guide rail pair (not shown) and a locking component, and the housing 110 is provided with a guide groove 1131 and a locking groove 1133, which are physically After locking, the locking body in the locking member is inserted into the locking groove 1133 to realize mutual locking of the battery pack 200 and the casing 110 . When it is necessary to separate the battery pack 200 from the inverter 100 , the unlock button is pressed, and the locking body retracts from the locking groove 1133 to unlock the battery pack 200 and the inverter 100 . It should be noted that the installation positions of the guide rail pair and the guide groove 1131 can also be interchanged, for example, the guide rail pair is arranged on the inverter 100 casing 110, and the guide groove 1131 is arranged on the battery pack 200, as long as they are arranged in correspondence with each other Just on the inverter 100 and the battery pack 200 . In addition, the locking component on the battery pack 200 in the present invention can be a standard locking component or a locking module commonly used in the field of power supply, and can be obtained through general commercial means, which will not be repeated here.

1 to 5, in an embodiment of the inverter 100 of the present invention, the inverter 100 also includes a power button 147 electrically connected to the corresponding terminal of the control board 123, and controls the inverter 100 on and off. The power button 147 is located on the outer wall that is parallel or approximately parallel to the sliding direction of the sliding connection part 113. In an embodiment of the present invention, the power button 147 is arranged on the fifth housing 1115. Such arrangement can make the button Relatively concentrated, easy to control.

Please refer to FIGS. 1 to 5. In an embodiment of the inverter 100 of the present invention, the external power supply is a solar power generation device or an AC power supply, and the external power supply input terminal 130 includes an AC power supply for connecting to the AC power supply. The input socket 131 and the solar charging socket 132 for electrically connecting with the solar power generation device, and the fourth switch 146 for switching the external power supply. The sixth housing 1116 above the first heat dissipation window is also provided with a power cord storage compartment 118, and the power cord storage compartment 118 is provided at the interface of the at least one external power supply input end, and the power cord storage compartment 118 is The hatch 1181 that can be elastically opened is installed on the cabin 118, the AC input socket 131 and the solar charging socket 132 are arranged in the power cord storage cabin 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 input socket 131 and the solar charging socket 132 . The power cord storage compartment 118 can store the power cords to prevent the power cords from being lost due to misplacing them. It should be noted that the structure of the hatch 1181 that can be opened elastically can refer to the structure of the hatch 1181 of the battery compartment of the existing digital equipment, and will not be repeated here.

Please refer to FIG. 10 to FIG. 11 , the utility model also provides a power supply system, including at least one battery pack 200 and the inverter 100 described in any one of the above, in an embodiment of the utility model power supply system, the The inverter 100 includes: a housing 110 , a battery management system 122 , at least one external power input terminal 130 , a control board 123 , an inverter circuit module 121 , an output interface group 140 and at least one sliding connection part 113 . The battery management system 122 is installed in the casing 110 . The external power input terminal 130 is disposed on the casing 110 and is used for electrically connecting the battery management system 122 with an external power supply. At least one sliding connection part 113 is disposed on the side wall of the housing 110 and has a mechanical connection structure and an electrical connection terminal 1132 matching the battery pack 200 . The electrical connection terminal 1132 is electrically connected to the battery management system 122 . The sliding connection part is configured such that when the battery pack 200 slides 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, the battery pack and the sliding connection part Physically locked, and electrically connected to the circuit control system through the electrical connection terminal of the sliding connection part. The control board 123 is disposed in the housing 110 and is electrically connected to the battery management system 122 . The inverter circuit module 121 is disposed in the casing 110 and is electrically connected to the battery management system 122 and the control board 123 . The output interface group 140 is installed on the housing 110, and each output interface in the output interface group 140 is electrically connected to the corresponding terminal of the control board 123 respectively.

The inverter of the utility model and the power supply system including the inverter can charge the battery pack installed on the sliding connection part when the external power supply is connected, and can be installed on the sliding connection part after the external power supply is removed. The battery pack on the connecting part provides electric energy for the output interface group. The inverter of the utility model and the power supply system containing the inverter can not only realize the inverter function of the power supply, output suitable electric energy to the outside, but also can reversely charge the battery pack, without additionally configuring equipment for charging the battery pack, saving energy. It saves space and reduces the workload of operators when transferring equipment. The utility model effectively overcomes some practical problems in the prior art and thus has high utilization value and use significance.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (11)

1. A kind of inverter, is characterized in that, comprises: case; A circuit control system installed in the housing; At least one sliding connection part is provided on the side wall of the housing, which is configured such that when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, the battery The package is physically locked with the sliding connection part, and is electrically connected to the circuit control system through the electrical connection terminal of the sliding connection part; At least one kind of external power supply input terminal is arranged on the housing and is used to electrically connect the circuit control system with the external power supply; The output interface group is installed on the housing, the output interface group includes a DC interface unit and/or an AC interface unit, and the DC interface unit and/or the AC interface unit are electrically connected to the corresponding terminals of the circuit control system . 2. The inverter according to claim 1, wherein the circuit control system comprises 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 board respectively. 3. The inverter according to claim 1, characterized in that, the top profile of the casing on the horizontal plane is H-shaped, the inverter includes an even number of sliding connection parts, and the even number of sliding connection parts The parts are installed symmetrically in the grooves on both sides of the H-shape, and the sliding directions are set along the vertical direction. 4. The inverter according to claim 1, characterized in that, the inverter further comprises at least one of a lighting lamp and a display screen, at least one of the lighting lamp and the display screen is configured with a control switch, The control switch is electrically connected to the corresponding terminal of the circuit control system. 5. The inverter according to claim 1, characterized in that, the inverter further comprises a control switch group, the control switch group includes a first switch for controlling the on-off of the DC output interface unit, for The second switch for controlling the on-off of the AC output interface unit, the third switch for controlling the system reset and switching of the wireless communication mode, and the power button for controlling the on-off of the inverter. 6. The inverter according to claim 1, characterized in that, the inverter further comprises a wireless communication module capable of wireless connection with smart devices; the wireless communication module comprises a wifi module and/or a bluetooth module. 7. The inverter according to claim 1, characterized in that, the inverter further comprises a handle, the two ends of the handle are installed on the top of the housing, and protrude out under the action of external force , after the external force is removed, it is reset by the action of the elastic component. 8. The inverter according to claim 1, wherein after the battery pack is physically locked on the sliding connection part, the bottom of the battery pack is placed higher than the bottom of the inverter and the bottom of the battery pack is at least partially exposed to the air. 9. The inverter according to claim 1, characterized in that, the inverter further comprises a heat dissipation assembly, and the heat dissipation assembly includes at least one A fan and at least one heat dissipation window arranged on the casing. 10 . The inverter according to claim 1 , wherein a power cord storage compartment is provided at the interface of the at least one external power input end, and a hatch is installed in the power cord storage compartment. 11 . 11. A power supply system, characterized in that it includes an inverter and at least one battery pack electrically connected to the inverter, and the inverter includes: case; A circuit control system installed in the housing; At least one sliding connection part is provided on the side wall of the housing, which is configured such that when the battery pack slides from the first end of the sliding connection part to the second end of the sliding connection part, the battery The package is physically locked with the sliding connection part, and is electrically connected to the circuit control system through the electrical connection terminal of the sliding connection part; At least one kind of external power supply input terminal is arranged on the housing and is used to electrically connect the circuit control system with the external power supply; The output interface group is installed on the housing, the output interface group includes a DC interface unit and/or an AC interface unit, and the DC interface unit and/or the AC interface unit are electrically connected to the corresponding terminals of the circuit control system .

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