CN112467826A

CN112467826A - Charging device

Info

Publication number: CN112467826A
Application number: CN202011228192.3A
Authority: CN
Inventors: 陈建龙; 严安; 朱艳强
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-03-09

Abstract

The invention provides a charging device which comprises a charging shell and a charging assembly accommodated in the charging shell, wherein the charging assembly comprises a circuit board, a charging circuit and a discharging circuit, the charging circuit and the discharging circuit are integrated on the circuit board, a charging interface is formed in the charging shell, the charging assembly comprises a plug-in device exposed to the charging interface, and the plug-in device is welded and fixed on the circuit board so as to be electrically connected with the discharging circuit, so that convenience is provided for charging a battery pack.

Description

Charging device

Technical Field

The invention relates to a charging device, and belongs to the technical field of chargers.

Background

The body of the dust collector used in life is generally bigger, and the place for charging the dust collector needs to be found when the dust collector is charged, so that the dust collector occupies a large space when being charged and/or accommodated. The function of storage device and charging device on the existing market is more single, and storage device can only be used for accomodating the dust catcher, and charging device can only be used for charging for the dust catcher, so every dust catcher all need be equipped with two kinds of devices and just can realize the normal use of dust catcher.

In view of the above, it is necessary to provide a novel charging device to solve the above problems.

Disclosure of Invention

The invention aims to provide a charging device which not only has a storage function, but also has a charging function and is dual-purpose.

In order to achieve the above object, the present invention provides a charging device, which includes a charging housing and a charging assembly accommodated in the charging housing, wherein the charging assembly includes a circuit board, and a charging circuit and a discharging circuit integrated on the circuit board, a charging interface is disposed on the charging housing, the charging assembly includes a plug device exposed to the charging interface, and the plug device is welded and fixed on the circuit board to electrically connect to the discharging circuit.

As a further improvement of the present invention, a fixing component for fixing the device to be charged is disposed on the charging housing, and the charging interface is located beside the fixing component.

As a further improvement of the present invention, the fixing component includes a receiving cavity formed by recessing downward from the top of the charging housing, and a rib formed on an inner side wall of the receiving cavity, and the device to be charged is received in the receiving cavity and contacts with the rib.

As a further improvement of the present invention, the device to be charged is an electric tool, the cross section of the accommodating cavity is in a shape of a Chinese character 'tu', one end of a battery pack of the electric tool is accommodated in the accommodating cavity, a docking device is arranged on the battery pack of the electric tool, and the plugging device and the docking device are matched with each other, so that the plugging device and the docking device are connected by a power cord to charge the battery pack of the electric tool.

As a further improvement of the present invention, the charging assembly is located below the fixing assembly.

As a further improvement of the present invention, a positioning member for fixing the battery pack is further disposed on the charging housing, and the positioning member is located beside the fixing assembly.

As a further improvement of the present invention, the positioning element is a positioning block formed on the charging housing, the positioning block is provided with a limiting groove for limiting and accommodating the battery pack, and a cross section of the limiting groove is substantially in a shape of a Chinese character 'tu'.

As a further improvement of the invention, the limiting groove is formed by inwards sinking from the outer wall surface of the positioning block.

As a further improvement of the present invention, the charging device further includes an expansion device electrically connected to the charging assembly in the charging housing, and the expansion device is also provided with a charging interface and a plug device exposed to the charging interface.

As a further improvement of the present invention, the plug device on the expansion device includes at least one of a USB connector and a Type-C connector.

The invention has the beneficial effects that: according to the charging device, the charging interface is arranged on the charging shell, and the plug-in device is designed to be exposed to the charging interface, so that the plug-in device can be welded and fixed with the circuit board to realize the electrical connection with the discharging circuit on the circuit board, and convenience is provided for charging the battery pack.

Drawings

Fig. 1 is a perspective view of a charging device according to a first embodiment of the present invention.

Fig. 2 is a perspective view of the charging device shown in fig. 1 when it is coupled with a hand-held cleaner.

Fig. 3 is a perspective view of a charging device according to a second embodiment of the present invention.

Fig. 4 is a perspective view of a charging device according to a third embodiment of the present invention.

Fig. 5 is another perspective view of the charging device shown in fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, the present invention discloses a charging device 100, wherein the charging device 100 can both receive a device to be charged and charge the device to be charged. The device to be charged can be an electric tool to be charged, and at this time, the charging device 100 not only solves the storage problem of the electric tool when not in use, saves the placement space of the electric tool, but also can charge the electric tool while being stored. Of course, the device to be charged may also be a battery pack to be charged, and the charging device 100 may directly charge the battery pack.

The specific structure and the specific usage of the charging device 100 will be described in detail below by taking the device to be charged as an electric tool, and specifically as a handheld vacuum cleaner as an example.

The handheld vacuum cleaner 200 includes a vacuum cleaner body 21 and a vacuum cleaner battery pack 22 accommodated in the vacuum cleaner body 21, wherein the vacuum cleaner battery pack 22 is engaged with a grip lever 211 of the vacuum cleaner body 21. That is, the cleaner battery pack 22 and the cleaner body 21 are two independent components, and are assembled and fixed to each other, so that when the power of the cleaner battery pack 22 is insufficient, the cleaner battery pack 22 can be taken down alone for charging, or the cleaner battery pack 22 can be directly charged while keeping the cleaner battery pack 22 accommodated in the cleaner body 21. Since other structures of the handheld vacuum cleaner 200 can adopt the existing technical solutions, the specific structure of the handheld vacuum cleaner 200 will not be described and limited herein.

The outer casing of the battery pack 22 has a socket (not shown) with a docking device (not shown) mounted therein, the docking device is electrically connected to a first circuit board (not shown) in the battery pack 22, so that the battery pack 22 can be charged by the docking device.

The charging device 100 includes a charging housing 10 and a charging assembly (not shown) accommodated in the charging housing 10, the charging assembly includes a second circuit board, and a charging circuit and a discharging circuit integrated on the second circuit board, the charging housing 10 is provided with a charging interface 11, the charging assembly includes a plug-in device (not shown) exposed to the charging interface 11, and the plug-in device is welded and fixed on the second circuit board to be electrically connected to the discharging circuit.

Specifically, the charging housing 10 is provided with a fixing assembly 12 for fixing the hand-held vacuum cleaner 200, the charging assembly is located below the fixing assembly 12, and the charging interface 11 is located beside the fixing assembly 12. The fixing member 12 includes a receiving cavity 121 formed by being recessed downward from the top of the charging housing 10 and a rib 122 formed on the inner sidewall of the receiving cavity 121, and the device to be charged is received in the receiving cavity 121 and contacts the rib 122, so that the rib 122 can be used to limit the handheld vacuum cleaner 200 from moving freely in the receiving cavity 121.

In this embodiment, since the battery pack 22 of the handheld vacuum cleaner 200 is substantially rectangular and the battery pack 22 is engaged with the handle 211 of the vacuum cleaner body 21, the battery pack 22 can be received in the receiving cavity 121 with a convex cross section. The plug-in device on the charging device 100 and the docking device on the vacuum cleaner battery pack 22 are matched to each other in order to connect the plug-in device and the docking device by means of a power cord (not shown) in order to charge the vacuum cleaner battery pack 22 of the hand-held vacuum cleaner 200.

The side of the charging device 100 opposite the mounting assembly 12 (i.e., the back of the charging device 100) is planar so that the charging device 100 can be mounted to a wall or other fixture to secure the charging device 100 to itself. Therefore, the charging device 100 of the present embodiment can be stored and suspended when the handheld vacuum cleaner 200 is not in use, so as to save the placement space of the handheld vacuum cleaner 200, and the charging device 100 can also charge the vacuum cleaner battery pack 22 of the handheld vacuum cleaner 200.

For the charging device 100 itself, a battery assembly may be disposed inside the charging device to realize self-storage of the charging device 100; it is also possible to extend a power cord and a plug to charge the hand-held cleaner 200 with an external power source. In other words, the charging device 100 can be charged by a lithium battery or other type of battery, and can also be used as an intermediate medium similar to a plug to directly charge the handheld cleaner 200 by an external power supply.

In addition, as shown in fig. 1, another charging structure 15 is further disposed on the charging housing 10 near the accommodating cavity 121, and the charging structure 15 is also electrically connected to the charging assembly to implement the charging function. The charging structure 15 is mainly used for charging the electric tool, and the charging structure 15 can be separately welded and fixed on the second circuit board and electrically connected with the discharging circuit; the same discharge circuit may be shared with the plug-in device. Of course, it is optimal to design the charging structure 15 to share the same discharge circuit with the plug-in device in view of the volume and cost of the charging device 100.

As shown in fig. 2, when the handheld vacuum cleaner 200 needs to be charged, the charging structure 15 may be used to charge the handheld vacuum cleaner in addition to the charging interface 11. The method specifically comprises the following steps: first, the charging member (not shown, similar to a charging plug) located at the bottom of the handle bar 211 is exposed, and then the handheld vacuum cleaner 200 is inserted into the receiving cavity 121 from the top to the bottom, so that the charging member is just inserted into the charging structure 15, and at this time, the handheld vacuum cleaner 200 can be charged. The operation methods of the two charging schemes are simple, and the safety is high.

As shown in fig. 3, a second embodiment of the charging device of the present invention, compared with the first embodiment shown in fig. 1, can find that: on the basis of the first embodiment, the volume of the charging device 100 ' of the second embodiment is increased, and the positioning member 13 for fixing the battery pack (not shown) is added on the charging housing 10 ' of the charging device 100 ', at this time, the charging assembly may be designed to be located below the fixing assembly 12 (same as the first embodiment), or may be designed to be located beside the fixing assembly 12 and behind the positioning member 13, which may be determined according to practical situations, and is not limited herein. The same structure as the charging device 100 of the first embodiment will not be described.

The positioning element 13 is a positioning block formed on the charging housing 10 ', the positioning block 13 is provided with a limiting groove 131 for limiting and accommodating the battery pack, the cross section of the limiting groove 131 is approximately in a shape of Chinese character ' tu ', the limiting groove 131 is designed in a shape of Chinese character ' tu ', and the main purpose is that: the battery pack is conveniently positioned. In this embodiment, the limiting groove 131 is formed by inward recess of the outer wall surface of the positioning block 13, and the recess depth of the limiting groove 131 close to the charging housing 10 'is larger, and the recess depth far away from the charging housing 10' is smaller, so that the battery pack can be limited. Of course, the limiting groove 131 may be designed in other shapes as long as the battery pack can be positioned.

The charging interface 11 and the plug-in device are both located beside the positioning part 13, specifically, located on the right side of the positioning part 13 and the limiting groove 131; of course, from the practical application perspective, the charging interface 11 may be opened at the left side, the top end, the bottom end or any other position of the charging housing 10', and a plurality of charging interfaces 11 may be opened, so long as the charging of the device to be charged can be realized, the specific installation positions of the charging interface 11 and the plug device are not limited here.

Of course, the position-limiting groove 131 may be provided to accommodate only the battery pack when the battery pack does not need to be charged.

When the charging device 100' of the present embodiment is used, the fixing assembly 12 may be used to suspend and charge the handheld vacuum cleaner 200 or other electric tools, or the battery pack inside the handheld vacuum cleaner 200 or other electric tools may be separately removed and installed at the positioning member 13, and the power line is used to connect the charging interface 11 and the socket on the battery pack, so as to realize separate charging of the battery pack. Of course, when a plurality of charging interfaces 11 are provided, the handheld vacuum cleaner 200 may be hung on the fixing member 12 for charging, and the battery pack of another tool may be fixed on the positioning member 13 for charging.

As shown in fig. 4 and 5, a third embodiment of the charging device of the present invention is shown, and compared with the second embodiment shown in fig. 3, it can be found that: on the basis of the second embodiment, the expansion device 14 electrically connected to the charging assembly in the charging housing 10 "is newly added to the charging device 100" of the third embodiment, and the expansion device 14 is also provided with a charging interface 141 and a plug device 142 exposed to the charging interface 141. The plug device 142 on the expansion device 14 includes at least one of a USB connector and a Type-C connector.

As the name implies, the expansion device 14 is a device for expanding the charging capacity of the charging device 100 ", and after the expansion device 14 is added, the charging device 100" can charge other electric tools, such as mobile phones, notebooks, digital cameras, and other electronic products, while charging the handheld vacuum cleaner 200 and/or the independent battery pack.

In addition, the expansion device 14 can also be used as a switching device, because the charging interface 11 on the charging housing 10 ″ is mostly a Type-C interface, and when an electronic device with the Type-C interface is charged, the charging interface 11 can be directly used; when the interface of the electronic device is another Type of interface instead of the Type-C interface, the expansion device 14 can be used to perform the switching of the charging interface 11, which is generally performed through a USB interface, which is a reason why the plug device 142 of the expansion device 14 is configured to include at least one of a USB connector and a Type-C connector.

In the expansion device 14 shown in fig. 5, two USB connectors and two Type-C connectors are provided at the same time, so that the expansion device 14 can be expanded in the true sense. Of course, these four connection ports may be replaced by other types of connection ports, such as: USB2.0, USB3.0, Micro-USB, lightning, etc., without limitation. The specific number of the connecting ports can be increased or decreased adaptively according to actual conditions.

Referring to fig. 1, 3 and 4, it can be seen that: the fixing component 12, the positioning component 13 and the expansion device 14 are not limited to be integrally arranged, that is, the fixing component 12, the positioning component 13 and the expansion device 14 may be individually connected with the charging component, or may be combined in pairs and then connected with the charging component, or may be integrally connected with the fixing component 12, the positioning component 13 and the expansion device 14 and then connected with the charging component. The combination relationship between the three can be various, and is not listed and limited herein.

In summary, the charging

device

100, 100 ', 100 ″ of the present invention is provided with the charging interface 11 on the charging

housing

10, 10', 10 ″ and the plug device is designed to be exposed to the charging interface 11, so that the plug device can be soldered to the circuit board to electrically connect to the discharging circuit on the circuit board, thereby providing convenience for charging the battery pack. In addition, the fixing component 12 and the positioning component 13 are used for accommodating a device to be charged, and the device to be charged can be charged through the charging component and the charging interface 11 while being accommodated, so that the two purposes are achieved; by providing the expansion device 14, the purpose of expanding the capacity and charging the charging

devices

100, 100', 100 ″ can be achieved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. A charging device, includes the casing that charges and accommodates in the subassembly that charges in the casing that charges, the subassembly that charges includes the circuit board and integrated on charging circuit and discharge circuit on the circuit board, its characterized in that: the charging assembly comprises a plug-in device exposed to the charging interface, and the plug-in device is welded and fixed on the circuit board and electrically connected with the discharge circuit.

2. The charging device according to claim 1, wherein: the charging device comprises a charging shell, a charging connector and a charging connector, wherein the charging shell is provided with a fixing assembly for fixing a device to be charged, and the charging connector is located beside the fixing assembly.

3. The charging device according to claim 2, wherein: the fixed subassembly includes certainly the top undercut of charging shell forms accept the chamber and form and be in accept the fin on the intracavity lateral wall, wait that charging device accepts accept in accept the intracavity and with the fin contacts.

4. A charging arrangement as claimed in claim 3, in which: the device to be charged is an electric tool, the cross section of the accommodating cavity is in a convex shape, one end of a battery pack of the electric tool is accommodated in the accommodating cavity, a butt joint device is arranged on the battery pack of the electric tool, and the plug joint device is matched with the butt joint device so as to connect the plug joint device with the butt joint device by using a power cord and charge the battery pack of the electric tool.

5. The charging device according to claim 4, wherein: the charging assembly is located below the fixing assembly.

6. The charging device according to claim 4, wherein: the charging shell is further provided with a positioning piece for fixing the battery pack, and the positioning piece is located beside the fixing assembly.

7. The charging device according to claim 6, wherein: the positioning piece is a positioning piece formed on the charging shell, a limiting groove for limiting and containing the battery pack is formed in the positioning piece, and the cross section of the limiting groove is roughly in a convex shape.

8. The charging device according to claim 7, wherein: the limiting groove is formed by inwards sinking from the outer wall surface of the positioning block.

9. The charging device according to claim 1, wherein: the charging device further comprises an expansion device electrically connected with the charging assembly in the charging shell, and the expansion device is also provided with a charging interface and a plug-in device exposed to the charging interface.

10. The charging device according to claim 9, wherein: the plug device on the expansion device at least comprises any one of a USB connector and a Type-C connector.