DE202008006698U1 - Accumulator unit and electric vehicle equipped therewith - Google Patents

Abstract

Accumulator unit (A) for an electric vehicle (RL), wherein the accumulator unit (A) as a from the electric vehicle (RL) removable and portable unit designed is, characterized in that the accumulator unit (A) a casing (G), whose shape to a provided in the electric vehicle (RL) Recording device (AV) is adapted for mechanical recording at least part of the housing (G) serves, and that the housing (G) the accumulator unit (A) on its top at least a carrying handle (GR).

Description

The The invention relates to an accumulator unit according to the preamble of claim 1 and an electric vehicle equipped therewith, in particular one Electric scooters.

Of the Use of electric drives in vehicles is increasingly gaining traction Importance. In addition to electric cars also come more and more with electric drives equipped two-wheelers, especially in the form of electric scooters, on the market. To the Drive are becoming more powerful Accumulators such. As lithium-polymer batteries used. Nevertheless, too these are recharged from time to time. In particular in an electric scooter usually no generator is required to recharge the battery the accumulator or the accumulator unit for charging with a suitable external charger get connected.

Usually the accumulator units are firmly mounted in the electric vehicle and should only for Workshop personnel or expert users dismountable or be removed from the electric vehicle. The conventional Accumulator unit has a connector for connection an external charger on. Often the connector is as one mounted on the housing of the vehicle Bush formed, which is easily accessible from the outside. For charging needs the user only has the right plug of the charger in the Insert socket.

however There is often the problem that there is no power connection for the charger on site. Is z. B. the electric vehicle or the electric scooter on a public Parking or parking space of a tenement (backyard, underground parking etc.), the user usually has no power connection Available. Thus, the user can not charge the battery or can maybe just try the mains connection via an extension cable manufacture. Desirable it would be, one rather workable and less expensive solution to have.

Therefore It is an object of the present invention, an accumulator unit to improve the type mentioned in that at any time a user-friendly charging of the accumulator unit is possible. Also, an electric vehicle is to be proposed that with a Such accumulator unit can be equipped.

Is solved the task by an accumulator unit with the characteristics of the Claim 1 or by an electric vehicle with the features of sibling claim.

Therefore an accumulator unit is proposed with a housing whose shape to a recording device provided in the electric vehicle adapted to the mechanical recording of at least one part the housing is used, the case the accumulator unit on its top at least one carrying handle having.

Consequently can the accumulator unit according to the invention, which is also called a short battery unit for charging very easy taken by the user from the electric vehicle, too a remote charger be worn and connected there, as well as after charging back to the electric vehicle brought and used there again.

It For example, it can be a very user-friendly changeable Battery system for an electric scooter can be realized. Serves as a storage medium for electricity preferably a lithium polymer battery. The battery is z. B. in one Plastic box integrated, which serves to protect the battery during transport. This battery unit or battery box is z. B. in the electric scooter below the seat in a guided holder of the receiving device used and is thus fast there especially by positive engagement solvable fixed. Preferably, the receiving device also serves for electrical Connection of the battery unit to an electric drive or motor of the Vehicle.

The Battery unit preferably has at least two electrical connectors on, preferably one of them for connection to the electric drive of the vehicle serves and another for connection to an external charger serves. In this case, preferably, the connector for the charger with a connected in the battery unit control circuit connected to the Charge the battery in the battery pack. The connector for The electric drive can be connected directly to the battery. This Connectors or even the other can also be on the bottom of the housing the battery unit can be arranged.

These and other particularly advantageous embodiments of the battery unit or battery box presented here emerge from the subclaims:
Accordingly, at least one of the two electrical connectors can be arranged on the upper side of the housing. In addition, at least one of the connectors arranged on the upper side of the housing can be connected to a cable which protrudes from an opening on the upper side of the housing.

Also, at least one of the two electri rule be arranged on the underside of the housing, wherein it is advantageous if the at least one arranged on the underside of the housing connector is arranged in a housing recess provided on the underside.

at The accumulator unit, it is advantageous if this is an accumulator and an associated control circuit comprising at least the Charging the accumulator controls, the control circuit preferred is integrated in the accumulator. Also, the case of the Battery unit with the housing the accumulator and / or the associated control circuit one piece be educated.

The here proposed electric vehicle has accordingly recording device on, at least for the mechanical recording of such an accumulator unit serving as a removable and portable unit from the electric vehicle is configured, wherein the receiving device has a shape the to the housing the accumulator unit is adapted, and wherein the receiving device at least the bottom of the accumulator unit receives, so that this by means of a provided on top of carrying handle the device is removable.

The Invention will now be described in more detail by means of exemplary embodiments, with reference to the following accompanying schematic drawings is taken:

1 shows the embodiment of an electric scooter with replaceable removable battery;

2a shows an accumulator unit or a removable battery in a first embodiment;

2 B shows a provided for this purpose on the electric scooter below the seat receiving device;

3 shows in more detail the structure of the accumulator unit 2a ;

4 shows an accumulator unit or a removable battery in a second embodiment and the matching shaped receiving device.

Like in the 1 is illustrated, the inventive electric vehicle RL with a device AV (or AV 'after 4 ) for mechanical recording and also for the electrical connection of an accumulator unit A (or A 'after 4 ) fitted. In the example of an electric scooter RL shown here, the receiving device AV (or AV ') is located below the seat SB and can thus be equipped from above with the battery unit A (or A').

As based on the 2 B and 2 B can be seen, the battery unit A (and also A ') as a removable from the receiving device AV (or AV') and portable unit configured, the device can accommodate at least the bottom of the battery unit, preferably but the battery unit can record completely. The shape of the device AV (or AV ') and the shape of the housing (G) of the battery unit are adapted to each other in order to achieve at least one stop or a releasable fixation by positive engagement. The battery unit A (or A ') has on the top of the housing G at least one carrying handle GR, so that a user simply remove the battery unit from the device and conveniently to the location of a charger or a charging station, the z. B. in the private apartment of the user, can wear. So if there is no mains socket (eg 230 volts) at the location of the electric scooter, the battery unit can be removed from the electric scooter RL and z. B. be charged in the apartment or office via the charger to an existing power outlet there.

The process may, for example, proceed as follows (see in particular 1 . 2a /Federation 3 ):
First, the battery unit A is still under the seat SB of electric scooter RL. There is the seat z. B. opened by means of a key and folded up to then the battery unit A, which has a battery or a battery B and a control circuit C to remove.

For this is a circuit breaker provided on the electric scooter RL (not shown) to the "OFF" position S1 between vehicle drive (not shown) and battery unit A is disconnected. The battery unit A is at its handle GR taken from the recording device AV of the vehicle or the electric scooter RL. The battery unit A is then carried to the appropriate charger and over there charged the connector S2. Then she can go back to that Vehicle or the electric scooter RL be used. This will be the seat SB by means of the key open and worked up. The battery unit A is then in the recording device AV and local leadership used and fixed. The connector S1 for the circuit is put together. Subsequently, the circuit breaker switch becomes again switched to "ON".

Alternatively to the embodiment that both connectors S1 and S2 on the top of Ak ku unit A are provided (see. 3 ) can also be provided at least one connector on the underside of the battery unit, as in the 4 A is shown.

For this is on the electric vehicle, a recording device AV 'is provided, the at least one connection for an electrical connector S2 ', which on the underside of housing the accumulator unit A 'arranged is. For this purpose, the recording device AV 'with a bulge suitable for a the bottom of the case provided housing recess GA formed. Thus becomes a particularly fast exchangeable battery system for one Electric scooter created.

numerous Other designs and configurations are conceivable and are of the accompanying claims includes.

RL

electric vehicle in the form of an electric scooter

SB

seat

AV, AV '

Recording Device (in different versions) for accumulator unit

A, A '

Accumulator unit (in different versions)

G

casing

GR

handle

B

accumulator or battery

C

control circuit

S1, S1 '

connection for a external charger

S2, S2 '

connection to the electric drive of the electric vehicle

GA

housing recess or recess

Claims (15)

Accumulator unit (A) for an electric vehicle (RL), the accumulator unit (A) being designed as a unit which can be removed from the electric vehicle (RL) and is portable, characterized in that the accumulator unit (A) has a housing (A) G), the shape of which is adapted to a receiving device (AV) provided in the electric vehicle (RL), which serves to mechanically receive at least a part of the housing (G), and in that the housing (G) of the accumulator unit (G) A) has on its upper side at least one carrying handle (GR). Accumulator unit (A) according to claim 1, characterized in that the accumulator unit (A) has at least two electrical connector (S1, S2). Accumulator unit (A) according to claim 2, characterized characterized in that at least one of the two electrical connectors (S1, S2) is arranged on the upper side of the housing (G). Accumulator unit (A) according to claim 3, characterized characterized in that at least one of the on top of the housing (G) arranged connector (S1) is connected to a cable, that from an opening on the top of the case (G) stands out. Accumulator unit (A ') according to claim 2, characterized that at least one of the two electrical connectors (S2 ') on the bottom of the housing is arranged, wherein the recording device (AV) also for electrical Connection of the accumulator unit (A) serves. Accumulator unit (A ') according to claim 5, characterized in that that the at least one arranged on the underside of the housing Connector (S1 ') arranged in a provided on the bottom housing recess (GA) is. Accumulator unit (A; A ') according to one of claims 2 to 6, characterized in that a first of the connectors (S1; S1 ') for one Connection to an electric drive of the electric vehicle (RL) provided and a second of the connectors (S2, S2 ') for a connection to an external charger is provided. Accumulator unit (A) according to one of the preceding Claims, characterized in that the accumulator unit (A) comprises an accumulator (B) and an associated control circuit (C), at least the charging of the accumulator (B) controls. Accumulator unit (A) according to one of claims 2 to 8, characterized in that at least one (S2) of the connector for one Connection to an external charger is provided and with the Control circuit (C) is connected. Accumulator unit (A) according to claim 8 and 9, characterized characterized in that one (S2) of the plug connector for a Connection to an external charger is provided and with the Control circuit (C) is connected, and that another (S1) of the connector a connection to an electric drive of the electric vehicle (RL) is provided and connected directly to the accumulator (B). Accumulator unit (A) according to one of claims 8 to 10, characterized in that the control circuit (C) in the Accumulator (B) is integrated. Accumulator unit (A) after one of hergehen claims, characterized in that the housing (G) with the housing of an accumulator (B) and / or an associated control circuit (C) is integrally formed. Electric vehicle (RL) with a recording device (AV; AV '), which at least for mechanical recording of an accumulator unit (A) is used, which as a detachable from the electric vehicle (RL) and portable unit is configured, characterized in that the - recording device (AV; AV ') a shape has the to the housing (G) of the accumulator unit (A) is adapted, and that the receiving device (AV; AV ') at least the bottom of the accumulator unit (A) receives, so this by means of a provided on top of carrying handle (GR) the device (AV) can be removed. Electric vehicle (RL) according to claim 13, characterized in that that the receiving device (AV ') also for electrical connection of the Accumulator unit (A ') is used, and at least one terminal for an electrical connector (S2 '), the on the bottom of the case of the Accumulator unit (A ') arranged is. Electric vehicle (RL) according to claim 14, characterized that the receiving device (AV ') has a bulge suitable for a the bottom of the case Accumulator unit (A ') provided housing recess (GA).