TWI450463B - Charger and charging assembly having the same - Google Patents

Description

Charger and its charging combination

The invention relates to a charger and a charging combination thereof, in particular to a charger for an electric vehicle and a charging combination thereof.

Taiwan Patent No. 509217 discloses a transformer conversion structure having a winding structure, and more particularly to a transformer conversion device having an automatic retractable power supply line and capable of positioning a power supply line inside, which is mainly provided with a transformer internal conversion device. The winding mechanism comprises a coil box body, a coiling disc and a scroll coil spring. The coil box is disposed inside the casing of the transformer converting device, and the coil box body is internally provided with a wire slot. The coiling disc is pivotally disposed in the wire slot, and the power cord of the transformer converting device is wound on the reeling disc, and one end of the power cord can extend the bobbin body, and the scroll coil spring is disposed in the cord reel body and connected to the reeling disc , so that the power cord can be adjusted at any time according to the needs.

However, the one end cable of the transformer conversion structure having the winding structure adopts a winding structure, and the other end is directly connected to the device by using a connector, and the space can only accommodate a short cable, thereby limiting the transformer having the winding structure. The application of the conversion structure.

Taiwan's new patent No. 547411 discloses an improvement in the charging structure of an electric scooter, which is improved by the drawback that the charger of the conventional structure is in an inconvenient charging state for an independent accessory type, and the large system includes an electric scooter and a a charger having a power supply line and a charging line, the end of the charging line having a plug, the main feature of which is that the charger is a structural type built in the vehicle body, which can be at the bottom of the pedal of the vehicle body A tank chamber is arranged adjacent to the battery box for charging the charger and its charging line and plug. The power supply line of the device can be directly connected to the battery of the electric scooter; when charging, the plug of the charging line can be directly pulled out from the vehicle body.

However, the charger needs to be installed with the electric scooter because the electric scooter is more likely to generate vibration during the movement, and the charger is usually equipped with a certain number of electronic components, and the vibration is easy to damage the electronic components. Thereby affecting the service life of the charger.

In view of this, it is necessary to further improve the existing charger to solve the above problems.

The object of the present invention is to provide a charger which is simple in process, convenient in drawing and winding, and can be applied to different charging occasions.

The object of the present invention is to provide a charging combination, which is simple in process, convenient in drawing and winding, and can be applied to different charging occasions.

To achieve the above object, the present invention relates to a charging assembly comprising: a battery to be charged, the battery comprising a socket connector, the socket connector comprising an insulating base, a plurality of terminals received in the insulating base, and covering the insulation a protective cover above the seat body; the insulating seat body is provided with a plurality of through slots; the terminal has a contact portion received in the through slot of the insulating base body and a tail portion extending outside the outer surface of the insulating seat; the charger, the charger includes: a winding box The input unit includes an input line housed in the take-up box, a charging line connected to the input line, and an input connector connected to the input line, wherein the input line and the winding box are reserved for a predetermined length to facilitate The aforementioned input connector is connected to the power supply system The output unit includes an output line housed in the take-up box, a power supply line connected to the output line, and an output connector connected to the output line, and the external force can pull the output line out of the take-up box by a predetermined length. In order to facilitate the connection of the output connector and the socket connector; the reset structure, the reset structure is housed in the coil box, and the input and output lines pulled out can be re-accommodated into the coil box; the power conversion system, the foregoing power conversion system The power conversion system is connected to the input portion, and the other end is connected to the output portion. The inner wall of the through-groove of the insulating base is formed with a rib, and the contact portion of the terminal is formed with a groove. The rib is caught in the groove to hold the terminal in the insulating seat.

As a further improvement of the present invention, the aforementioned input line and output line are pulled out of the take-up box from opposite directions of the take-up box.

As a further improvement of the present invention, the terminal further has a flat base portion, and the contact portion extends from both sides of the base portion.

Compared with the prior art, the input end and the output end of the charger and the charging combination thereof can pull out the winding box, so that the lengths of the input end and the output end can be freely pulled out according to requirements, and can be applied to different charging occasions.

Referring to FIGS. 1 through 5 together, a charging system 100 includes a charging combination (not labeled) and a power supply system 2 that can provide power. The charging assembly of the present invention comprises a charger 1 and a battery 3 to be charged connected to the charger 1.

In the present invention, the charging system 100 refers to a charging system for an electric vehicle. The foregoing power supply system 2 can be an ordinary civil power source, a renewable energy source such as wind energy, solar energy, or the like. The battery 3 to be charged is a rechargeable battery commonly used in the industry, such as a nickel-cadmium battery, a nickel-hydrogen battery, a lithium ion battery, etc., and can be cyclically discharged and charged to provide energy for driving an electric bicycle. The power supply system 2 provides a female socket 2a or a power supply connector, such as a three-hole AC wall socket, so that the user can be prevented from coming into contact with the conductive metal to prevent an electric shock. In the present invention, the battery 3 is also provided with a three-hole female socket connector 3a or a charging connector.

Referring to the third to sixth figures, the charger 1 includes a cord reel 10, an input portion 20 partially received in the cord reel 10 for electrically connecting to the power supply system 2, and a part of the reel. An output unit 30 for electrically connecting to the battery 3 to be charged in the cartridge 10, a reset structure (not shown) housed in the cord reel 10, and a power conversion system (not shown) housed in the cord reel 10, The power conversion system has one end connected to the input unit 20 and the other end connected to the output unit 30, so that the power supply provided by the power supply system 2 is connected to the power conversion system via the input unit 20, and then converted into a power source suitable for charging the battery 3, and can pass The output unit 30 is transmitted to the battery 3.

The winding box 10 includes a lower casing 101 and a casing 102 coupled to the lower casing 101. The lower casing 101 and the upper casing 102 together form a receiving space 103. In the present embodiment, the accommodating space 103 is divided into a first accommodating portion 1031 and a second accommodating portion 1032 spaced apart from the first accommodating portion 1031. The first housing portion 1031 and the second housing portion 1032 are each provided with a protruding shaft 104. The aforementioned convex shafts 104 each include a winding portion 1041 having a small diameter and a resisting portion 1042 having a large diameter and located at a free end of the winding portion 1041. The aforementioned pair of protruding shafts 104 Interval setting.

The input unit 20 includes an input line 201 housed in the first housing portion 1031 of the spool 10 and an input connector 202 disposed outside the spool 10 and connected to the free end of the input line 201. The input line 201 has a predetermined length and is wound and received in the take-up reel 10, and an external force can pull the input line 201 outwardly out of the reel 10 for a predetermined length to be connected to the power supply system 2. The input connector 202 includes a conductive terminal 2021 electrically connected to the input line 201 and an insulating body 2022 that is wrapped around the conductive terminal 2021 for manually grasping and inserting and removing the input connector 202. In the present embodiment, the number of the conductive terminals 2021 is the same as the number of the jacks of the female socket 2a of the power supply system 2, and the human hand acts on the insulating body 2022 of the input connector 202 and pulls the input line 201 out. The cord reel 10 can be inserted into the female socket 2a of the power supply system 2 until the input connector 202 is electrically connected to the power supply system 2.

The output unit 30 includes an output line 301 housed in the second housing portion 1032 of the spool 10 and an output connector 302 disposed outside the spool 10 and connected to the free end of the output line 301. The aforementioned output line 301 has a predetermined length and is wound and housed in the take-up reel 10, and an external force can pull the output line 301 outwardly out of the reel 10 for a predetermined length to be connected to the battery 3. The output connector 302 includes a conductive terminal 3021 electrically connected to the output line 301 and an insulating body 3022 that is wrapped around the conductive terminal 3021 for manually grasping and inserting the output connector 302. In this embodiment, the number of the conductive terminals 3021 is the same as the number of the jacks of the female charging socket 3a of the battery 3, and the human hand acts on the insulating body 3022 of the output connector 302 and pulls the output line 301. The spool 10 is unplugged until the output connector 302 can be inserted into the female charging socket 3a of the battery 3, Thereby an electrical connection is established with the battery 3.

The reset structure can pull the input line 201 and the output line 301 of the take-up reel 10 back into the reel 10. In the present embodiment, the reset structure is a pair of vortex springs mounted in the reel 10. The vortex springs are respectively fixed on a convex shaft 104, and the input wire 201 is wound on the winding portion 1041 of a convex shaft 104 by the elastic force of one of the vortex springs. The abutting portion 1042 of each of the male shafts 104 prevents the input line 201 or the output line 301 from moving upward during winding. The aforementioned output line 301 is wound around the winding portion 1041 of the other male shaft 104 by the elastic force of the other volute spring. The input line 201 and the output line 301 are also wound around the corresponding scroll springs, respectively. After the input line 201 and the output line 301 are respectively wound onto the winding portions 1041 of the corresponding protruding shafts 104, they are located in the same plane, so that the overall height of the winding box 10 can be lowered. The input line 201 and the output line 301 are wound on the respective convex axes, respectively, so that the diameter of the coil around which the output line 201 and the input line 301 are wound becomes small, so that the width dimension of the winding box 10 can be reduced.

Referring to the seventh figure, the socket connector 3a of the rechargeable battery 3 includes an insulating base 31, a plurality of terminals 32 received in the insulating base, and a protective cover 33 covering the insulating base. A plurality of through slots 310 are defined in the insulating base 31 for receiving the terminal 32. The terminal 32 has a contact portion 320 received in the insulating base and a tail portion 321 extending outside the insulating housing. A rib 3101 is formed on the inner wall of the through hole 310 of the insulating base 31. The contact portion 320 of the terminal 32 is formed with a groove 3201. The rib 3101 is clamped to the groove 3201, thereby connecting the terminal 32. It is held in the insulating base 31. The foregoing terminal 32 also has a flat base 322, the aforementioned flat plate The base portion 322 has a U-shaped cross section, and the contact portion 320 extends from both sides of the base portion 322.

The charger 1 used in the charging system 100 of the present invention is simple in process, convenient in drawing and winding, and can be applied to different charging occasions.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

100‧‧‧Charging system

1‧‧‧Charger

10‧‧‧winding box

101‧‧‧ Lower case

102‧‧‧Upper casing

103‧‧‧ accommodating space

1031‧‧‧First Housing Department

1032‧‧‧ Second Housing Department

104‧‧‧Shaft axis

1041‧‧‧Winding Department

1042‧‧‧Resistance

20‧‧‧ Input Department

201‧‧‧ input line

202‧‧‧Input connector

2021‧‧‧Electrical terminals

2022‧‧‧Insulated body

30‧‧‧Output Department

301‧‧‧output line

302‧‧‧Output connector

3021‧‧‧Electrical terminals

3022‧‧‧Insulated body

2‧‧‧Power supply system

2a‧‧‧Female socket

3‧‧‧Battery

3a‧‧‧ socket connector

31‧‧‧Insulated body

310‧‧‧through slot

3101‧‧‧ rib

32‧‧‧ Terminals

320‧‧‧Contacts

3201‧‧‧ trench

321‧‧‧ tail

322‧‧‧ base

33‧‧‧ protective cover

The first figure is a perspective view of the charging system of the present invention.

The second figure is a perspective view of another perspective of the charging system shown in the first figure.

The third figure is a perspective view of the charger of the present invention.

The fourth figure is a perspective view of another perspective of the charger shown in the third figure.

The fifth figure is a partially exploded view of the charger shown in the third figure (the upper casing of the take-up box is removed).

Figure 6 is a perspective view of the lower casing of the cordless cassette of the charger shown in the third figure.

The seventh figure is a perspective view of the socket connector of the rechargeable battery shown in the second figure.

The eighth figure is a perspective view of the terminal block of the socket connector shown in the seventh figure.

101‧‧‧ Lower case

103‧‧‧ accommodating space

1031‧‧‧First Housing Department

1032‧‧‧ Second Housing Department

104‧‧‧Shaft axis

20‧‧‧ Input Department

30‧‧‧Output Department

Claims (3)

A charging assembly, which can be connected to a power supply system, comprising: a battery to be charged, the battery includes a socket connector, the socket connector includes an insulating base, a plurality of terminals received in the insulating base, and a cover over the insulating seat a protective cover; a plurality of through slots are formed in the insulating base; the connecting terminal has a contact portion received in the through slot of the insulating base body and a tail portion extending outside the insulating seat; the charger, the charger includes: a winding box; an input portion The input unit includes an input line housed in the take-up box and an input connector connected to the input line, the input line extending from the roll box by a predetermined length so that the input connector is connected to the power supply system; the output unit, the foregoing The output portion includes an output line housed in the cord reel and an output connector connected to the output line, the output line extending from the cord reel for a predetermined length so that the output connector is connected to the socket connector; a reset structure, the aforementioned complex The bit structure is housed in the take-up box and can re-accommodate the extended input and output lines to And a power conversion system, wherein the power conversion system is received in the winding box, and one end of the power conversion system is connected to the input portion, and the other end is connected to the output portion, wherein the inner wall of the through slot of the insulating base is formed with a convex The rib has a groove formed on the contact portion of the terminal, and the rib is clamped to the groove to hold the terminal in the insulating seat. The charging assembly of claim 1, wherein the input line and the output line are Pull the take-up box outward from the opposite direction of the take-up box. The charging assembly of claim 1, wherein the terminal further has a flat base portion, and the contact portion extends from both sides of the base portion.