CN219124115U - Multifunctional inverter and electric bicycle battery suite - Google Patents

Abstract

The utility model provides a multifunctional inverter and an electric bicycle battery pack, wherein the multifunctional inverter comprises: the power supply device comprises a shell, a power connector arranged on the shell, an inverter main board for converting current and a power output socket for adapting to different electrical equipment; the power connector is electrically connected with the inverter main board, the power output socket comprises an alternating current output socket, a direct current output socket and a USB interface, wherein the alternating current output socket, the direct current output socket and the USB interface are electrically connected with the inverter main board, and the USB interface comprises at least one of a USB Type-A interface, a USB Type-B interface and a USB Type-C interface; through adopting above-mentioned technical scheme, the user only needs to purchase the multi-functional dc-to-ac converter of this embodiment can assemble into outdoor portable power source with electric bicycle battery, can reduce user's use cost like this and has promoted portability simultaneously.

Description

Multifunctional inverter and electric bicycle battery suite

Technical Field

The utility model relates to the technical field of electric bicycle battery packs, in particular to a multifunctional inverter and an electric bicycle battery pack.

Background

At present, outdoor camping activities are becoming more popular, various electrical equipment such as outdoor lamps, outdoor cookers, fans and other electrical equipment needing alternating current power supply are often carried when camping activities are carried out, meanwhile, people can also carry electrical equipment such as mobile phones and tablet computers needing direct current power supply, and the use of the electrical equipment can be met only by an outdoor mobile power supply with large capacitance;

however, since the outdoor mobile power supply is expensive, it is often more than one thousand yuan, and the outdoor mobile power supply is designed as an integrated unit, and the capacitance is fixed, so that the number of the outdoor mobile power supply needs to be increased in order to meet the requirement of using outdoor multi-electric equipment, which not only can raise the use cost, but also can cause inconvenient carrying.

Disclosure of Invention

The utility model aims to provide a multifunctional inverter and an electric bicycle battery pack, which are used for solving the technical problems of high use cost and inconvenient carrying of an outdoor mobile power supply in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

in a first aspect, a multi-functional inverter is provided, comprising:

a housing, a power connector provided on the housing and used for docking with an electric bicycle battery, an inverter main board provided inside the housing and used for converting the current of the electric bicycle battery, and a power output socket provided on the housing and used for adapting to different electric devices;

the power connector is electrically connected with the inverter main board, the power output socket comprises an alternating current output socket, a direct current output socket and a USB interface, wherein the alternating current output socket, the direct current output socket and the USB interface are electrically connected with the inverter main board, and the USB interface comprises at least one of a USB Type-A interface, a USB Type-B interface and a USB Type-C interface.

By adopting the technical scheme, a user only needs to purchase the multifunctional inverter of the embodiment and assemble the multifunctional inverter and the electric bicycle battery into an outdoor mobile power supply, so that the price of the multifunctional inverter is far lower than that of an expensive outdoor mobile power supply, and the multifunctional inverter of the embodiment can reduce the use cost of the user; in addition, the multifunctional inverter can be connected with a plurality of electric bicycle battery electricity in proper order, namely, after the electric quantity of an electric bicycle battery is exhausted, can be with another electric bicycle battery who fills the electricity with the multifunctional inverter be connected can prolong electric quantity duration, like this, the user only need carry when using a multifunctional inverter and a plurality of electric bicycle battery can, compare with carrying a plurality of outdoor portable power source simultaneously under the demand of same great electric capacity, the portable scheme of a multifunctional inverter and a plurality of electric bicycle battery of this embodiment can reduce occupation volume, promotes the portability.

In one embodiment, the multifunctional inverter further comprises a charging input socket provided on the housing, the charging input socket being electrically connected with the inverter motherboard.

By adopting the technical scheme, the charging input socket is used for being connected with an external power supply to charge the electric bicycle battery connected with the multifunctional inverter.

In one embodiment, the power connector comprises a connector body, a connector groove is formed in the connector body, a second electric connecting column and a third electric connecting column which are spaced from each other are convexly arranged in the connector groove, the second electric connecting column and the third electric connecting column are used for realizing current connection between the electric bicycle battery and the main board of the inverter, a second electric connecting groove is formed in the second electric connecting column, a second electric connecting ring is arranged on a groove wall ring of the second electric connecting groove, a third electric connecting groove is formed in the third electric connecting column, and a third electric connecting ring is arranged on a groove wall ring of the third electric connecting groove.

By adopting the technical scheme, the electric connection between the electric bicycle battery and the multifunctional inverter is realized.

In one embodiment, the connector groove is internally provided with a first electric connecting column which is separated from the second electric connecting column and the third electric connecting column, the first electric connecting column is used for realizing signal connection between the electric bicycle battery and the inverter main board, the first electric connecting column is provided with a first electric connecting groove, and a groove wall ring of the first electric connecting groove is provided with a first electric connecting ring.

By adopting the technical scheme, the signal connection between the battery of the electric bicycle and the multifunctional inverter is realized.

In one embodiment, the first electrical connection post is an arc-shaped electrical connection post, which extends along the circumferential direction of the joint groove, and the projection shape of the first electrical connection post on the groove bottom of the joint groove is an arc-shaped strip;

the projection shape of the second electric connection column and the second electric connection column at the bottom of the joint groove is one quarter of a circle.

By adopting the technical scheme, the multifunctional inverter of the embodiment can only be connected with the electric bicycle battery of a specific model and a specific manufacturer, so that the connection with the electric bicycle battery meeting the new national standard can be limited, and the damage to the multifunctional inverter is reduced.

In one embodiment, the housing includes a bottom plate, a top plate, two first side plates and two second side plates, the bottom plate and the top plate are arranged at opposite intervals, the first side plates and the second side plates are connected with the bottom plate and the top plate, the two first side plates are respectively located at opposite sides of the bottom plate and the top plate, and the two second side plates are respectively located at the other opposite sides of the bottom plate and the top plate.

By adopting the technical scheme, the shell of the multifunctional inverter is simple in structure and easy to assemble.

In one embodiment, a plurality of first mounting protrusions are arranged on the edge of the surface, opposite to the top plate, of the bottom plate, a plurality of second mounting protrusions in one-to-one butt joint with the first mounting protrusions are arranged on the edge of the surface, opposite to the bottom plate, of the top plate, first fastening holes, first clamping grooves and second clamping grooves are formed in the first mounting protrusions, second fastening holes, third clamping grooves and fourth clamping grooves are formed in the second mounting protrusions, the first fastening holes and the second fastening holes are used for assembling fasteners, the first clamping grooves and the third clamping grooves are used for being in clamping fit with the first side plate, and the second clamping grooves and the fourth clamping grooves are used for being in clamping fit with the second side plate; the inner wall of the first side plate is convexly provided with a first flange used for being clamped into the first clamping groove and the third clamping groove, and the inner wall of the second side plate is convexly provided with a second flange used for being clamped into the second clamping groove and the fourth clamping groove.

By adopting the technical scheme, the assembling difficulty of the shell is reduced, and the assembling efficiency is improved.

In one embodiment, the inverter main board is provided with a power input circuit, an inverter module, a main control module, an alternating current output circuit and a direct current output circuit; the power input circuit is electrically connected with the power connector, and the alternating current output circuit and the direct current output circuit are electrically connected with the power output socket; the inversion module comprises a main inversion circuit, and the main inversion circuit is electrically connected with the alternating current output circuit; the main control module comprises a direct current conversion circuit, and the direct current conversion circuit is electrically connected with the direct current output circuit.

By adopting the technical scheme, the direct current and alternating current and the direct current with different voltages are converted.

In one embodiment, the inverter main board is further provided with at least one of a control and display circuit, a bluetooth communication circuit, a wireless charging circuit, an illuminating lamp circuit and a charging input circuit, wherein the control and display circuit, the bluetooth communication circuit, the wireless charging circuit and the illuminating lamp circuit are electrically connected with the main control module, and the charging input circuit is electrically connected with the inverter module; the control and display circuit is used for being connected with a control display piece arranged on the shell, the Bluetooth communication circuit is used for being connected with a Bluetooth communication chip, the wireless charging circuit is used for being connected with a wireless charging plate arranged on the shell, the lighting lamp circuit is used for being connected with a lighting lamp set arranged on the shell, and the charging input circuit is used for being connected with a charging input socket arranged on the shell.

Through adopting above-mentioned technical scheme, the multi-functional dc-to-ac converter of this embodiment has control function, bluetooth communication function, wireless function and the illumination function of charging, and its function variety.

In a second aspect, an electric bicycle battery pack is provided, which comprises an electric bicycle battery and the multifunctional inverter, wherein the electric bicycle battery is electrically connected with the multifunctional inverter.

By adopting the technical scheme, on the basis of having the advantages of the multifunctional inverter, the electric bicycle battery pack of the embodiment also has the advantages of strong functionality and low use cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a multi-functional inverter according to an embodiment of the present utility model;

fig. 2 is a perspective view of another view of the multi-functional inverter according to the embodiment of the present utility model;

fig. 3 is an exploded view of one view of a multi-functional inverter provided by an embodiment of the present utility model;

fig. 4 is an exploded view of another view of the multi-functional inverter provided by the embodiment of the present utility model;

FIG. 5 is a perspective view of a power connector according to an embodiment of the present utility model;

fig. 6 is a circuit block diagram of an inverter motherboard according to an embodiment of the present utility model.

The reference numerals in the drawings are as follows:

100. a multifunctional inverter;

1. a housing; 2. a power supply connector; 3. an inverter main board; 4. a power output socket; 5. a switch;

11. a bottom plate; 12. a top plate; 13. a first side plate; 14. a second side plate; 15. controlling the display piece; 16. a wireless charging pad; 17. a lighting lamp group; 18. a charging input socket; 21. a joint body; 22. a first electrical connection post; 23. a second electrical connection post; 24. a third electrical connection post; 31. a power input circuit; 32. an inversion module; 33. a main control module; 34. an alternating current output circuit; 35. a DC output circuit; 321. a main inverter circuit; 331. a DC conversion circuit; 36. a control and display circuit; 37. a dental communication circuit; 38. a wireless charging circuit; 39. a lighting lamp circuit; 40. a charging input circuit; 51. an inverter switch; 52. a socket switch; 41. an alternating current output socket; 42. a direct current output socket; 43. a USB interface;

111. a first mounting projection; 121. a second mounting projection; 131. a mounting groove; 141. a heat sink; 142. a heat radiation fan; 221. a first electrical connection slot; 222. a first electrical connection ring; 231. a second electrical connection slot; 232. a second electrical connection ring; 241. a third electrical connection slot; 242. a third electrical connection ring;

1111. a first fastening hole; 1112. a first clamping groove; 1113. a second clamping groove; 1211. a second fastening hole; 1212. a third clamping groove; 1213. a fourth clamping groove; 1301. a first flange; 1401. a second flange; 1302. a slot; 1402. an insert.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The following describes in more detail the specific implementation of the present utility model in connection with specific embodiments:

as shown in fig. 1 and 2, the embodiment of the present utility model provides a multifunctional inverter 100 for interfacing with a battery of an electric bicycle, and capable of converting direct current into alternating current to output alternating current, or adjusting voltage of the direct current to output transformed direct current, or simultaneously outputting alternating current and direct current; specifically, the voltage of the multifunctional inverter 100 according to the embodiment is 48V for an electric bicycle battery conforming to the new national standard GB17761, and the multifunctional inverter 100 can be combined into an outdoor mobile power supply after being connected with the electric bicycle battery, so that 220V ac output can be supported for some electrical devices, such as outdoor lamps and cookers, and 5V or 9V dc output can also be supported for other electrical devices, such as mobile devices including mobile phones and tablet computers; the following description is made by way of specific embodiments:

referring to fig. 3 and 4 together, the multi-functional inverter 100 of the present embodiment includes: a housing 1, a power connector 2, an inverter main board 3, a power output socket 4 and a switch 5;

a housing 1; it can be appreciated that the housing 1 serves as a guard for the entire multi-function inverter 100;

a power connector 2 provided on the housing 1 and for interfacing with a battery of an electric bicycle; it can be understood that the power connector 2 is an electrical connector for electrically connecting the electric bicycle battery with the inverter main board 3;

an inverter main board 3 provided inside the housing 1 and for converting a current of the electric bicycle battery; it can be understood that when the current of the electric bicycle battery is connected to the inverter main board 3, the inverter main board 3 converts the direct current into alternating current for output, or adjusts the voltage of the direct current for output; the conversion of direct current into alternating current is now well-established circuit implementations, which are not described in detail herein; similarly, adjusting the direct current to output a direct current of different voltages is also implemented by existing mature circuits, and is not described in detail herein;

a power output socket 4 provided on the housing 1 and adapted to different electrical devices; it will be appreciated that different power outlet sockets 4 are used to output different currents to suit different electrical devices;

a switch 5 provided on the housing 1 and for controlling the power output socket 4; it will be appreciated that the switch 5 is used to control the current on state of the power outlet socket 4; specifically, the switch 5 includes an inverter switch 51 for controlling the operation state of the main board 3 thereof, and a socket switch 52 for controlling the operation state of the power output socket 4, respectively.

Wherein, power connection 2 and switch 5 are connected with inverter motherboard 3 electricity respectively, and power output socket 4 includes alternating current output socket 41, direct current output socket 42 and USB interface 43 that are connected with inverter motherboard 3 electricity, USB interface 43 includes at least one of USB Type-A interface, USB Type-B interface and USB Type-C interface. It will be appreciated that the power connector 2 is electrically connected to the inverter main board 3, and the power connector 2 is adapted to the electrical connector of the electric bicycle battery, i.e. the two can be docked, so that the power connector 2 can connect the current of the electric bicycle battery to the inverter main board 3, and it should be further explained that in this embodiment, the power connector 2 includes, but is not limited to, a fixed-size power connector 2; the switch 5 is electrically connected with the inverter main board 3, so that a control command is input into the inverter main board 3 through the switch 5, and then whether the power connector 2 is connected with the inverter main board 3 or not is realized, and similarly, the switch 5 can control whether the power output socket 4 is connected with the inverter main board 3 or not, and then the current connection state of the power output socket 4 is controlled; the power output socket 4 includes an ac power output socket 41, a dc power output socket 42, and a USB interface 43, the ac power output socket 41 is configured to output ac power for use by an electrical device using the ac power; the dc output socket 42 is used for outputting dc power for use by an electrical device using the dc power; the USB interface 43 is configured to output dc power, where the dc power output by the USB interface 43 is smaller, and the USB interface is suitable for use in a small-current mobile device; in addition, USB interface 43 includes, but is not limited to, a USB Type-a interface, a USB Type-B interface, and a USB Type-C interface, enabling it to be adapted to electrical devices of different interface standards.

The working principle of the multifunctional inverter 100 provided in the present embodiment is as follows:

the user only needs to purchase the multifunctional inverter 100 of the embodiment and then connect the electric bicycle battery detached from the electric bicycle to assemble an outdoor power supply, and different electric devices can be selectively connected with the power output socket 4, so that the outdoor use of the electric devices is satisfied;

in addition, the user can decide to carry different numbers of electric bicycle batteries according to the electricity consumption, or acquire the electric bicycle batteries from an electric bicycle battery changing network, wherein the electric bicycle battery changing network is a charging and battery changing cabinet arranged in a plurality of outdoor places and provides the battery changing service of the electric bicycle batteries, and the user can share the electric bicycle batteries from the electric bicycle changing network only by purchasing the inverter without purchasing the mobile power supply.

By adopting the technical scheme, a user only needs to purchase the multifunctional inverter 100 of the embodiment and assemble the multifunctional inverter 100 with the electric bicycle battery to form an outdoor mobile power supply, so that the price of the multifunctional inverter 100 is far lower than that of an expensive outdoor mobile power supply, and the multifunctional inverter 100 of the embodiment can reduce the use cost of the user; in addition, the multifunctional inverter 100 can be electrically connected with a plurality of electric bicycle batteries in sequence, namely, after the electric quantity of one electric bicycle battery is exhausted, the electric quantity duration can be prolonged by connecting another electric bicycle battery full of electricity with the multifunctional inverter 100, so that a user only needs to carry the multifunctional inverter 100 and the plurality of electric bicycle batteries when using, and compared with the situation that a plurality of outdoor mobile power sources are carried simultaneously under the same high-capacity requirement, the carrying scheme of the multifunctional inverter 100 and the plurality of electric bicycle batteries can reduce occupied volume and improve portability.

In one embodiment, the multi-function inverter 100 further includes a charging input socket 18 provided on the housing 1, the charging input socket 18 being electrically connected with the inverter main board 3.

By adopting the above-described technical scheme, the charging input socket 18 is used to connect an external power source to charge the electric bicycle battery connected to the multi-functional inverter 100.

Referring to fig. 5, in one embodiment, the power connector 2 includes a connector body 21, the connector body 21 is provided with a connector slot, a second electric connection post 23 and a third electric connection post 24 are disposed in the connector slot in a protruding manner, the second electric connection post 23 and the third electric connection post 24 are used for realizing current connection between the electric bicycle battery and the main board 3 of the inverter, the second electric connection post 23 is provided with a second electric connection slot 231, a slot wall ring of the second electric connection slot 231 is provided with a second electric connection ring 232, the third electric connection post 24 is provided with a third electric connection slot 241, and a slot wall ring of the third electric connection slot 241 is provided with a third electric connection ring 242.

It can be understood that the power connector 2 is used for being connected with a battery of the electric bicycle to realize electric connection; specifically, the electric bicycle battery has a cable connector for being inserted into the power connector 2 to achieve connection; the cable connector is provided with a first electric connection needle and a second electric connection needle, and the first electric connection needle and the second electric connection needle are respectively inserted into the second electric connection groove 231 and the third electric connection groove 241 correspondingly and respectively abutted with the second electric connection ring 232 and the third electric connection ring 242.

Referring to fig. 5, in one embodiment, the power connector 2 includes a connector body 21, the connector body 21 is provided with a connector slot, a first electrical connection post 22 spaced from a second electrical connection post 23 and a third electrical connection post 24 is protruding in the connector slot, the first electrical connection post 22 is used for realizing signal connection between the electric bicycle battery and the inverter main board 3, the first electrical connection post 22 is provided with a first electrical connection slot 221, and a slot wall ring of the first electrical connection slot 221 is provided with a first electrical connection ring 222.

It can be understood that the power connector 2 is used for being connected with a battery of the electric bicycle to realize electric connection and signal connection; specifically, the electric bicycle battery has a cable connector for being inserted into the power connector 2 to achieve connection; the cable connector is provided with a signal connection needle, a first electric connection needle and a second electric connection needle, wherein the signal connection needle is used for being inserted into the first electric connection groove 221 and abutted against the first electric connection ring 222, and the first electric connection needle and the second electric connection needle are respectively used for being correspondingly inserted into the second electric connection groove 231 and the third electric connection groove 241 and abutted against the second electric connection ring 232 and the third electric connection ring 242.

Specifically, the first electrical connection post 22, the second electrical connection post 23, and the third electrical connection post 24 are insulating members, the first electrical connection ring 222, the second electrical connection ring 232, and the third electrical connection ring 242 are conductive members, and the first electrical connection post 22, the second electrical connection post 23, and the third electrical connection post 24 are disposed at intervals in order to realize insulation and isolation of the signal connection pins, the first electrical connection pins, and the second electrical connection pins from each other.

By adopting the above technical scheme, the electric connection and the signal connection between the electric bicycle battery and the multifunctional inverter 100 are realized.

In one embodiment, the first electrical connection post 22 is an arc-shaped electrical connection post, which extends along the circumferential direction of the joint groove, and the projection shape of the first electrical connection post 22 at the groove bottom of the joint groove is an arc-shaped strip;

the second electrical connection post 23 and the projection shape of the second electrical connection post 23 at the bottom of the joint groove are quarter circles.

It will be appreciated that the power connector 2 of the present embodiment interfaces only with the cable connector of the electric bicycle battery of a defined shape, i.e. the shape of the cable connector is to match the shape of the power connector 2 to be able to be electrically connected thereto.

By adopting the above technical scheme, the multifunctional inverter 100 of the embodiment can only be connected with the electric bicycle battery of a specific model and a specific manufacturer, so that the connection with the electric bicycle battery meeting the new national standard can be limited, and the damage to the multifunctional inverter 100 is reduced.

Referring to fig. 3 and 4 again, in one embodiment, the housing 1 includes a bottom plate 11, a top plate 12, two first side plates 13 and two second side plates 14, the bottom plate 11 and the top plate 12 are disposed at opposite intervals, the first side plates 13 and the second side plates 14 connect the bottom plate 11 and the top plate 12, the two first side plates 13 are respectively located on opposite sides of the bottom plate 11 and the top plate 12, and the two second side plates 14 are respectively located on opposite sides of the bottom plate 11 and the top plate 12.

It will be appreciated that the housing 1 may be assembled from a bottom panel 11, a top panel 12, two first side panels 13 and two second side panels 14, which are assembled by means of stitching, snap-fit and fastening.

By adopting the above technical scheme, the casing 1 of the multifunctional inverter 100 of the present embodiment is simple in structure and easy to assemble.

In one embodiment, the first side plate 13 is provided with a plurality of mounting slots 131, wherein the mounting slot 131 of one first side plate 13 is provided with an ac output socket 41, and wherein the mounting slot 131 of the other first side plate 13 is provided with a dc output socket 42 or a USB interface 43.

It will be appreciated that the ac power outlet 41 may be mounted on the first side plate 13 by a snap-fit connection, and similarly, the dc power outlet 42 and the USB interface 43 may be mounted on the first side plate 13 by a snap-fit connection.

Specifically, the ac power output socket 41, the dc power output socket 42 and the USB interface 43 are respectively located on two oppositely arranged first side plates 13, the ac power output socket 41 is located on one side of the housing 1, and the dc power output socket 42 and the USB interface 43 are located on the other side of the housing 1.

By adopting the above technical scheme, the user can easily distinguish the positions of the alternating current output socket 41, the direct current output socket 42 and the USB interface 43, which is beneficial for the connection of the electrical equipment.

In one embodiment, the two second side plates 14 are each provided with a heat dissipation groove 141, and one heat dissipation groove 141 is provided with a heat dissipation fan 142.

It will be appreciated that the inverter main board 3 is located between the two second side boards 14, that is, between the two heat dissipation grooves 141, so that a heat dissipation air channel is formed between the two heat dissipation grooves 141, and then the heat of the inverter main board 3 is exhausted from one heat dissipation groove 141 through the heat dissipation fan 142, and then the air is sucked from the other heat dissipation groove 141 to dissipate heat of the inverter main board 3.

By adopting the technical scheme, the heat dissipation effect of the inverter main board 3 is improved.

In one embodiment, the edge of the surface of the bottom plate 11 opposite to the top plate 12 is provided with a plurality of first mounting protrusions 111, the edge of the surface of the top plate 12 opposite to the bottom plate 11 is provided with a plurality of second mounting protrusions 121 which are in one-to-one butt joint with the first mounting protrusions 111, the first mounting protrusions 111 are provided with first fastening holes 1111, first clamping grooves 1112 and second clamping grooves 1113, the second mounting protrusions 121 are provided with second fastening holes 1211, third clamping grooves 1212 and fourth clamping grooves 1213, the first fastening holes 1111 and the second fastening holes 1211 are used for assembling fasteners, the first clamping grooves 1112 and the third clamping grooves 1212 are used for clamping fit with the first side plate 13, and the second clamping grooves 1113 and the fourth clamping grooves 1213 are used for clamping fit with the second side plate 14; the inner wall of the first side plate 13 is convexly provided with a first flange 1301 for being snapped into the first and third snap grooves 1112 and 1212, and the inner wall of the second side plate 14 is convexly provided with a second flange 1401 for being snapped into the second and fourth snap grooves 1113 and 1213.

It will be appreciated that the bottom panel 11, top panel 12, first side panel 13 and second side panel 14 are snap fit and tight fit.

By adopting the technical scheme, the assembling difficulty of the shell 1 is reduced, and the assembling efficiency is improved.

In one embodiment, the first side plate 13 and the second side plate 14 are connected, a slot 1302 is formed at the connecting portion of one of the first side plate 13 and the second side plate 14, and an insert 1402 is formed at the connecting portion of the other of the first side plate 13 and the second side plate 14, which is in plug-in fit with the slot 1302.

It will be appreciated that there is a plug-in fit between the first side plate 13 and the second side plate 14.

By adopting the technical scheme, the assembling difficulty of the shell 1 is reduced, and the assembling efficiency is improved.

In one embodiment, referring to fig. 3, 4 and 6, the inverter motherboard 3 is provided with a power input circuit 31, an inverter module 32, a main control module 33, an ac output circuit 34 and a dc output circuit 35; the power input circuit 31 is electrically connected with the power connector 2, and the alternating current output circuit 34 and the direct current output circuit 35 are electrically connected with the power output socket 4; the inverter module 32 includes a main inverter circuit 321, and the main inverter circuit 321 is electrically connected to the ac output circuit 34; the main control module 33 includes a dc conversion circuit 331, and the dc conversion circuit 331 is electrically connected to the dc output circuit 35; the power input circuit 31 is electrically connected to the main inverter circuit 321 and the dc conversion circuit 331.

It will be appreciated that the main inverter 321 is configured to convert dc power into ac power, and the dc converter 331 is configured to boost or buck dc power.

By adopting the technical scheme, the direct current and alternating current and the direct current with different voltages are converted.

In one embodiment, the inverter main board 3 is further provided with at least one of a control and display circuit 36, a bluetooth communication circuit 37, a wireless charging circuit 38, an illumination lamp circuit 39 and a charging input circuit 40, wherein the control and display circuit 36, the bluetooth communication circuit 37, the wireless charging circuit 38 and the illumination lamp circuit 39 are electrically connected with the main control module 33, and the charging input circuit 40 is electrically connected with the inverter module 32; the control and display circuit 36 is used for connecting the control display 15 arranged on the shell 1, the Bluetooth communication circuit 37 is used for connecting the Bluetooth communication chip, the wireless charging circuit 38 is used for connecting the wireless charging plate 16 arranged on the shell 1, the illuminating lamp circuit 39 is used for connecting the illuminating lamp group 17 arranged on the shell 1, and the charging input circuit 40 is used for connecting the charging input socket 18 arranged on the shell 1.

Specifically, the control display 15 is used for inputting control instructions and displaying information, the bluetooth communication chip is used for bluetooth communication, the wireless charging pad 16 is used for charging for wireless charging equipment, the lighting lamp set 17 is used for lighting function, and the charging input socket 18 is used for connecting external power supply to charge the electric bicycle battery connected with the multifunctional inverter 100.

By adopting the above technical scheme, the multifunctional inverter 100 of the present embodiment has a control function, a bluetooth communication function, a wireless charging function, and a lighting function, and the functional variety thereof is various.

In a second aspect, an electric bicycle battery pack is provided, which includes an electric bicycle battery and the above-mentioned multi-functional inverter 100, and the electric bicycle battery is electrically connected with the multi-functional inverter 100.

It can be understood that the electric bicycle battery pack in this embodiment includes an electric bicycle battery and a multifunctional inverter 100, that is, the electric bicycle battery and the multifunctional inverter 100 may form an outdoor mobile power supply, and the electric bicycle battery may also be mounted on an electric bicycle for use.

By adopting the above technical scheme, on the basis of having the advantages of the multifunctional inverter 100, the electric bicycle battery pack of the embodiment also has the advantages of strong functionality and low use cost.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A multi-functional inverter, comprising:

a housing, a power connector provided on the housing and used for docking with an electric bicycle battery, an inverter main board provided inside the housing and used for converting the current of the electric bicycle battery, and a power output socket provided on the housing and used for adapting to different electric devices;

the power connector is electrically connected with the inverter main board, the power output socket comprises an alternating current output socket, a direct current output socket and a USB interface, wherein the alternating current output socket, the direct current output socket and the USB interface are electrically connected with the inverter main board, and the USB interface comprises at least one of a USB Type-A interface, a USB Type-B interface and a USB Type-C interface.

2. The multi-function inverter of claim 1, further comprising a charging input socket disposed on the housing, the charging input socket electrically connected to the inverter motherboard.

3. The multifunctional inverter according to claim 1, wherein the power connector comprises a connector body, a connector groove is formed in the connector body, a second electric connecting column and a third electric connecting column which are spaced from each other are arranged in the connector groove in a protruding mode, the second electric connecting column and the third electric connecting column are used for achieving electric current connection between the electric bicycle battery and the main board of the inverter, a second electric connecting groove is formed in the second electric connecting column, a second electric connecting ring is arranged on a groove wall ring of the second electric connecting groove, a third electric connecting groove is formed in the third electric connecting column, and a third electric connecting ring is arranged on a groove wall ring of the third electric connecting groove.

4. The multi-functional inverter according to claim 3, wherein the joint groove is internally provided with first electric connection columns which are spaced from the second electric connection columns and the third electric connection columns in a protruding manner, the first electric connection columns are used for realizing signal connection between the electric bicycle battery and the inverter main board, the first electric connection columns are provided with first electric connection grooves, and groove wall rings of the first electric connection grooves are provided with first electric connection rings.

5. The multi-function inverter of claim 4, wherein the first electrical connection post is an arc-shaped electrical connection post extending along a circumferential direction of the joint groove, and a projection shape of the first electrical connection post on a groove bottom of the joint groove is an arc-shaped strip;

the projection shape of the second electric connection column and the second electric connection column at the bottom of the joint groove is one quarter of a circle.

6. The multi-function inverter of claim 1, wherein the housing comprises a bottom plate, a top plate, two first side plates and two second side plates, the bottom plate and the top plate being disposed at opposite intervals, the first side plates and the second side plates connecting the bottom plate and the top plate, the two first side plates being located on opposite sides of the bottom plate and the top plate, respectively, and the two second side plates being located on opposite sides of the bottom plate and the top plate, respectively.

7. The multi-functional inverter according to claim 6, wherein an edge of a surface of the bottom plate opposite to the top plate is provided with a plurality of first mounting protrusions, an edge of a surface of the top plate opposite to the bottom plate is provided with a plurality of second mounting protrusions which are in one-to-one butt joint with the first mounting protrusions, the first mounting protrusions are provided with first fastening holes, first clamping grooves and second clamping grooves, the second mounting protrusions are provided with second fastening holes, third clamping grooves and fourth clamping grooves, the first fastening holes and the second fastening holes are used for assembling fasteners, the first clamping grooves and the third clamping grooves are used for being in clamping fit with the first side plate, and the second clamping grooves and the fourth clamping grooves are used for being in clamping fit with the second side plate; the inner wall of the first side plate is convexly provided with a first flange used for being clamped into the first clamping groove and the third clamping groove, and the inner wall of the second side plate is convexly provided with a second flange used for being clamped into the second clamping groove and the fourth clamping groove.

8. The multifunctional inverter according to any one of claims 1 to 7, wherein the inverter main board is provided with a power input circuit, an inverter module, a main control module, an ac output circuit, and a dc output circuit; the power input circuit is electrically connected with the power connector, and the alternating current output circuit and the direct current output circuit are electrically connected with the power output socket; the inversion module comprises a main inversion circuit, and the main inversion circuit is electrically connected with the alternating current output circuit; the main control module comprises a direct current conversion circuit, and the direct current conversion circuit is electrically connected with the direct current output circuit; the power input circuit is electrically connected with the main inverter circuit and the direct current conversion circuit.

9. The multi-function inverter of claim 8, wherein the inverter motherboard is further provided with at least one of a control and display circuit, a bluetooth communication circuit, a wireless charging circuit, a lighting lamp circuit, and a charging input circuit, the control and display circuit, the bluetooth communication circuit, the wireless charging circuit, and the lighting lamp circuit being electrically connected to the master control module, the charging input circuit being electrically connected to the inverter module; the control and display circuit is used for being connected with a control display piece arranged on the shell, the Bluetooth communication circuit is used for being connected with a Bluetooth communication chip, the wireless charging circuit is used for being connected with a wireless charging plate arranged on the shell, the lighting lamp circuit is used for being connected with a lighting lamp set arranged on the shell, and the charging input circuit is used for being connected with a charging input socket arranged on the shell.

10. An electric bicycle battery kit comprising an electric bicycle battery and the multi-functional inverter of any one of claims 1 to 9, the electric bicycle battery being electrically connected to the multi-functional inverter.

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