CN210225683U - Wireless earphone, wireless earphone charging box and wireless earphone charging device - Google Patents

Abstract

The utility model discloses a wireless earphone charging box, which comprises a processor, a first level module, a second level module, a box body first contact and a box body second contact; the first contact of the box body is connected with a first level module used for outputting a first level; the second level module is respectively connected with the second contact of the box body and the processor, and the processor is used for judging whether the wireless earphone is arranged in the wireless earphone charging box according to the level signal output by the second level module. The utility model also discloses a wireless earphone, and have above-mentioned wireless earphone and wireless earphone charging device who charges the box. Use wireless earphone, wireless earphone charging box and wireless earphone charging device of this application, the treater judges whether wireless earphone arranges wireless earphone in the charging box according to the level signal of the box body second contact output of receiving, need not to set up the sensor, the cost is reduced.

Description

Wireless earphone, wireless earphone charging box and wireless earphone charging device

Technical Field

The utility model relates to a portable equipment technical field of listening to, more specifically say, relate to a wireless earphone, still relate to a wireless earphone charging box and wireless earphone charging device.

Background

An earphone is an audio conversion unit that receives electrical signals from a media player or receiver and converts them into audible sound waves using a speaker proximate to the ear. The traditional earphone is a wired earphone and is connected with an audio connector through a wire to form circuit connection. However, the earphone cord of the wired earphone is easy to be wound and is inconvenient to wear and use. The wireless headset well solves the above problems of wired headsets. The wireless headset forms a signal transmission path through a wireless communication protocol, such as a TWS headset. The TWS headset needs to be configured with a corresponding charging box to receive and charge the TWS headset.

In the prior art, a 3pin (pin) or 2pin (pin) pogopin (spring charging pin) is used for realizing electric connection between a conventional TWS earphone and a charging box. And a hall sensor or a sensor using light and wave detection (such as a sensor using light signals, such as infrared light, ultraviolet light, and laser, and a sensor using ultrasonic waves, microwaves, and the like) is added to the charging box to determine whether the earphone is placed in the charging box. The method needs to add extra cost of the sensor, so that the cost of the detection of the earphone in the box is higher.

In summary, how to effectively solve the problems of high cost and the like of wireless earphone in-box detection is a problem to be solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a first aim at provides a wireless earphone charging box, and the structural design of this wireless earphone charging box can be solved wireless earphone effectively and go into the problem with high costs that the box detected, the utility model discloses a second aim at provides a wireless earphone, the utility model discloses a third aim at wireless earphone charging device.

In order to achieve the first object, the present invention provides the following technical solutions:

a wireless earphone charging box is used for accommodating and charging a wireless earphone; the device comprises a processor, a first level module, a second level module, a box body first contact and a box body second contact; the first contact of the box body is connected with the first level module for outputting a first level;

the second level module is respectively connected with the second box body contact and the processor and is used for outputting a second level opposite to the first level to the processor when the first earphone contact on the wireless earphone is not contacted with the first box body contact and the second box body contact, and outputting a third level which is the same as the first level to the processor when the first earphone contact is simultaneously contacted with the first box body contact and the second box body contact; the processor is used for judging whether the wireless earphone is arranged in the wireless earphone charging box according to the received level signal.

Preferably, in the wireless headset charging box, the first level module is a grounding module; the second level module comprises a pull-up resistor and a series resistor, one end of the pull-up resistor is connected with the power supply, the other end of the pull-up resistor is connected with one end of the series resistor, the connected public end of the other end of the series resistor is connected with the second contact of the box body, and the other end of the series resistor is connected with the processor.

Preferably, in the above-mentioned wireless earphone charging box, the first level module is a power module, the second level module includes pull-down resistor and series resistance, one end of the series resistance with box body second contact is connected, the other end of the series resistance with the public end that the one end of pull-down resistor is connected and is connected with the processor is connected, the other end of pull-down resistor is grounded.

Preferably, in the wireless headset charging box, the first contact of the box body and the second contact of the box body are symmetrically arranged, and the overall shape of the wireless headset charging box is the same as that of the first contact of the headset.

Preferably, in the wireless headset charging box, a third box contact for contacting with a second headset contact on a wireless headset is included, and the third box contact contacts with the second headset contact and the first headset contact contacts with the first box contact, so that a charging loop can be formed to charge the wireless headset.

Preferably, in the wireless earphone charging box, the first box body contact and the second box body contact are semi-circular and oppositely arranged, and the third box body contact is arranged inside a ring formed by the first box body contact and the second box body contact; alternatively, the first and second electrodes may be,

the box body third contact is ring-shaped, and the box body first contact and the box body second contact are located inside a ring of the box body third contact.

Preferably, the wireless earphone charging box further comprises a box body communication contact for connecting with an earphone communication contact on the wireless earphone for communication;

the box body first contact and the box body second contact are semicircular and oppositely arranged, and the box body third contact and the box body communication contact are respectively arranged in the annular inner part formed by the box body first contact and the box body second contact in a surrounding way; alternatively, the first and second electrodes may be,

the box body third contact is annular, and the box body communication contact, the box body first contact and the box body second contact are respectively positioned in the annular of the box body third contact; alternatively, the first and second electrodes may be,

the box body communication contact is in a circular ring shape, and the box body third contact, the box body first contact and the box body second contact are respectively located inside a circular ring of the box body communication contact.

The utility model provides a wireless earphone box that charges includes treater, first level module, second level module, the first contact of box body and box body second contact. The first level module is used for outputting a first level, and the first contact of the box body is connected with the first level module. The second level module is respectively connected with the second contact of the box body and the processor and is used for outputting a second level opposite to the first level to the processor when the first contact of the earphone on the wireless earphone is not contacted with the first contact of the box body and the second contact of the box body, and outputting a third level same as the first level to the processor when the first contact of the earphone is simultaneously contacted with the first contact of the box body and the second contact of the box body. The processor is used for judging whether the wireless earphone is arranged in the wireless earphone charging box according to the received level signal.

Use the utility model provides a wireless earphone box that charges judges through the treater whether wireless earphone is arranged in wireless earphone box that charges in, specific, when wireless earphone does not place in the wireless earphone box that charges, also when the first contact of earphone does not contact with box body first contact and box body second contact, box body second contact output and the second level opposite of first level to treater. And when the wireless earphone is placed in the wireless earphone charging box, namely when the first contact of the earphone is simultaneously contacted with the first contact of the box body and the second contact of the box body, the second contact of the box body outputs a third level which is the same as the first level to the processor. The processor may determine that the wireless headset is not placed in the wireless headset charging box when receiving the second level output by the second contact of the box body, and determine that the wireless headset is placed in the wireless headset charging box when receiving the third level output by the second contact of the box body or a change from the second level to the third level. In conclusion, the processor judges whether the wireless earphone is arranged in the wireless earphone charging box according to the received level signal output by the second contact of the box body, a sensor is not required to be arranged, and the cost is reduced.

In order to achieve the second object, the utility model also provides a wireless earphone, this wireless earphone includes earphone first contact, earphone first contact be used for simultaneously with the first contact of box body and the contact of box body second of wireless earphone charging box contact. Because the wireless earphone charging box has the technical effects, the wireless earphone matched with the wireless earphone charging box also has corresponding technical effects.

In order to achieve the third object, the utility model also provides a wireless earphone charging device, this wireless earphone charging device includes any kind of above-mentioned wireless earphone charging box and any kind of above-mentioned wireless earphone. Because the wireless earphone charging box has the technical effects, the wireless earphone charging device with the wireless earphone charging box also has the corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a contact structure of a wireless headset charging box according to a first embodiment of the present invention;

fig. 2 is a schematic view of a contact structure of the wireless headset corresponding to fig. 1;

fig. 3 is a schematic view of a contact structure of a wireless headset charging box according to a second embodiment of the present invention;

fig. 4 is a schematic view of a contact structure of the wireless headset corresponding to fig. 3;

fig. 5 is a schematic view of a contact structure of a wireless headset charging box according to a third embodiment of the present invention;

fig. 6 is a schematic view of a contact structure of the wireless headset corresponding to fig. 5;

fig. 7 is a schematic view of a contact structure of a charging box for a wireless headset according to a fourth embodiment of the present invention;

fig. 8 is a schematic view of a contact structure of the wireless headset corresponding to fig. 7.

The drawings are numbered as follows:

a box first contact 11, a box second contact 12, a box third contact 13 and a box communication contact 14;

a first earphone contact 21, a second earphone contact 22 and a communication earphone contact 23.

Detailed Description

The embodiment of the utility model discloses wireless earphone box that charges to it detects the cost that can realize the technique to reduce wireless earphone income box.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In one embodiment, the present invention provides a wireless headset charging box including a processor, a first level module, a second level module, a box first contact 11 and a box second contact 12.

The first level module is used for outputting a first level, and the first contact 11 of the box body is connected with the first level module. The second level module is respectively connected with the box body second contact 12 and the processor, and is used for outputting a second level opposite to the first level to the processor when the earphone first contact 21 on the wireless earphone is not contacted with the box body first contact 11 and the box body second contact 12, and outputting a third level identical to the first level to the processor when the earphone first contact 21 is simultaneously contacted with the box body first contact 11 and the box body second contact 12.

Here, the second level is opposite to the first level and means high-low level, and the third level is the same as the first level and means high-low level, that is, when the first level is low level, the second level is high level and the third level is low level, and when the first level is high level, the second level is low level and the third level is high level.

The processor is used for judging whether the wireless earphone is arranged in the wireless earphone charging box according to the received level signal. The level signal here includes both a signal of the second level or the third level and an instantaneous level change signal from the second level to the third level. Specifically, when the wireless headset is not placed in the wireless headset charging box, i.e., the headset first contact 21 is not in contact with the box first contact 11 and the box second contact 12, the box second contact 12 outputs the second level to the processor. And the processor judges that the wireless earphone is not placed in the wireless earphone charging box when receiving the second level output by the second contact 12 of the box body. When the wireless headset is placed in the wireless headset charging box, i.e. when the headset first contact 21 is simultaneously in contact with the box first contact 11 and the box second contact 12, the box second contact 12 outputs a third level to the processor. The processor judges that the wireless earphone is placed in the wireless earphone charging box when receiving the third level output by the second contact 12 of the box body or the instant change from the second level to the third level. The processor may be specifically an MCU, and the second level module is connected to a GPIO acquisition port of the MCU.

Specifically, each contact in the present application may employ a pogo pin (spring charging pin).

Use the utility model provides a wireless earphone box that charges, the treater judges whether wireless earphone arranges wireless earphone in according to the level signal of the 12 outputs of box body second contacts of receipt in the wireless earphone box that charges, need not to set up the sensor, the cost is reduced.

The present solution is described below in two specific embodiments.

Referring to fig. 1-2, fig. 1 is a schematic diagram of a contact structure of a wireless earphone charging box according to a first embodiment of the present invention; fig. 2 is a schematic view of a contact structure of the wireless headset corresponding to fig. 1.

In a first embodiment, the first level module is a ground module; the second level module comprises a pull-up resistor and a series resistor, one end of the pull-up resistor is connected with the power supply, the other end of the pull-up resistor is connected with one end of the series resistor, the connected public end is connected with the second contact 12 of the box body, and the other end of the series resistor is connected with the processor.

The first level is a grounding module, and the specific first level module may be a grounded wire or port, that is, the first level output by the first level module is a low level, and the box body first contact 11 is a GND contact (ground). The second contact 12 of the cartridge is connected to a power source, which may be an internal power source of 3.3V or other voltage, via a pull-up resistor and to the processor via a series resistor. The first earphone contact 21 of the wireless earphone is suitably the GND contact. When the wireless earphone is not placed in the wireless earphone charging box, the processor acquires a high level, such as 3.3V or other levels. When the wireless earphone is placed in the wireless earphone charging box, the earphone first contact 21 is simultaneously contacted with the box body first contact 11 and the box body second contact 12, so that the voltage of the box body second contact 12 is pulled to a low level, namely GND, and the processor detects the low level or a falling edge to judge that the wireless earphone is placed in the wireless earphone charging box. Specifically, the power supply may be a built-in power supply of the wireless headset charging box.

Referring to fig. 3-4, fig. 3 is a schematic diagram of a contact structure of a wireless earphone charging box according to a second embodiment of the present invention; fig. 4 is a schematic view of a contact structure of the wireless headset corresponding to fig. 3.

In a second embodiment, the first level module is a power module, the second level module includes a pull-down resistor and a series resistor, one end of the series resistor is connected to the second contact 12 of the box, the other end of the series resistor is connected to one end of the pull-down resistor, and the connected common terminal is connected to the processor, and the other end of the pull-down resistor is grounded. The first level output by the first level module is a high level, the first contact 11 of the box body is a power contact, and the second module of the box body is grounded through a pull-down resistor and is connected with the processor through a series resistor. The earphone first contact 21 of the wireless earphone is defined as the power supply contact, correspondingly.

When the wireless earphone is not placed in the wireless earphone charging box, the processor acquires a low level. And when the wireless earphone is placed in the wireless earphone charging box, the earphone first contact 21 is simultaneously contacted with the box body first contact 11 and the box body second contact 12, so that the voltage of the box body second contact 12 is pulled to a high level, the processor detects the high level or the ascending and descending edge, and the wireless earphone is judged to be placed in the wireless earphone charging box.

The specific circuit arrangement modes of the two first level modules and the second level modules are respectively given above, and certainly, the two first level modules and the second level modules are not limited to the above modes, and other conventional circuit structures capable of respectively outputting corresponding levels can also be adopted.

In the above embodiments, in order to facilitate the case first contact 11 and the case second contact 12 to be simultaneously contacted with the earphone first contact 21, the case first contact 11 and the case second contact 12 are symmetrically arranged and formed in the same shape as the earphone first contact 21. The earphone first contact 21 covers the cartridge first contact 11 and the cartridge second contact 12 when the wireless earphone is placed in the wireless earphone charging cartridge, thereby connecting the cartridge second contact 12 with the cartridge first contact 11.

On the basis of the above embodiments, the third contact 13 of the case is included for contacting the second earphone contact 22 of the wireless earphone, and the third contact 13 of the case is contacted with the second earphone contact 22, and the first earphone contact 21 is contacted with the first case contact 11, so that a charging loop can be formed to charge the wireless earphone. The specific charging circuit and charging control may be conventional in the art, and are not limited in particular. When the first level module is a grounding module, that is, the first contact 11 of the box body is a GND contact (grounded), the third contact 13 of the box body is connected with the positive electrode of the power supply; when the first level module is a power supply module, that is, the first contact 11 of the case is a power supply contact, the third contact 13 of the case is grounded, so as to form a charging loop. Utilize box body first contact 11 and box body third contact 13 to form charging circuit, need not to set up alone and cooperate with box body third contact 13 in order to form charging circuit's box body fourth contact, and then can save space. Of course, the third contact 13 of the cartridge for contacting the second contact 22 of the earphone on the wireless earphone and the fourth contact of the cartridge for contacting the third contact of the earphone on the wireless earphone can be separately provided as required, so that a charging loop is formed when the third contact 13 of the cartridge is contacted with the second contact 22 of the earphone and the third contact of the earphone is contacted with the fourth contact of the cartridge to charge the wireless earphone.

Furthermore, the box first contact 11 and the box second contact 12 are semi-circular and are oppositely arranged, and the box third contact 13 is arranged inside the box first contact 11 and the box second contact 12 which are enclosed into a ring; alternatively, the case third contact 13 is annular, and the case first contact 11 and the case second contact 12 are located inside the annular ring of the case third contact 13. It should be noted that, the inner portion of the ring shape mentioned here and below refers to the inner portion of the middle region enclosed by the ring shape, i.e. the hollow position, and specifically may be the position of the center of the circle. As shown in fig. 1 and 3, the first box contact 11 and the second box contact 12 are semi-circular and are oppositely disposed, and the third box contact 13 is disposed inside the first box contact 11 and the second box contact 12, which are enclosed into a ring, and accordingly, as shown in fig. 2 and 4, the first earphone contact 21 of the wireless earphone may be circular, and the second earphone contact 22 is located inside the circular ring. So set up, the space of utilization wireless earphone charging box body and wireless earphone ear handle that can be reasonable reduces the space and occupies, and then the miniaturized design of overall structure of being convenient for.

The above-mentioned positional relationship may be reversed as required, that is, the cartridge third contact 13 is annular, and the cartridge first contact 11 and the cartridge second contact 12 are located inside the annular ring of the cartridge third contact 13. The second earphone contact 22 of the corresponding wireless earphone may be circular in shape with the first earphone contact 21 located inside the circular ring. Also can play the effect of saving space, nevertheless because the ring inner space is less, the overall arrangement of first box body contact and second box body contact is the scheme that the semicircle was cyclic annular and relative setting in box body first contact 11 and box body second contact 12, and processing technology is comparatively difficult.

In addition to the above embodiments, the wireless earphone further comprises a box body communication contact 14 for connecting with the earphone communication contact 23 on the wireless earphone for communication. That is, the wireless headset communicates with the wireless headset charging box through the contact of the box body communication contact 14 with the headset communication contact 23. For the specific configuration of the communication circuit, please refer to the prior art, which is not described herein. If necessary, the wireless earphone and the wireless earphone charging box can also realize communication by the contact of the third contact 13 of the multiplexing box body and the second contact 22 of the earphone.

The box body first contact 11 and the box body second contact 12 are semicircular and are oppositely arranged under the condition that the box body communication contact 14 is arranged, and the box body third contact 13 and the box body communication contact 14 are respectively arranged in the annular inner part enclosed by the box body first contact 11 and the box body second contact 12; or, the box third contact 13 is circular, and the box communication contact 14, the box first contact 11 and the box second contact 12 are respectively positioned inside the circular ring of the box third contact 13; or, the box body communication contact 14 is circular, and the box body third contact 13, the box body first contact 11 and the box body second contact 12 are respectively positioned inside the circular ring of the box body communication contact 14. The corresponding positions of the second earphone contact 22, the first earphone contact 21 and the communication earphone contact 23 are set on the wireless earphone. Through the setting, the space of the wireless earphone charging box body and the wireless earphone ear handle can be reasonably utilized, the occupied space is reduced, and the miniaturization design of the whole structure is convenient. Preferably, as shown in fig. 5-8, fig. 5 and fig. 7 are schematic contact structures of a wireless headset charging box according to a third and a fourth embodiments of the present invention, respectively; fig. 6 and 7 are schematic views of contact structures of the wireless headset corresponding to fig. 5 and 7, respectively. The first box contact 11 and the second box contact 12 are semi-circular and are arranged oppositely, and the third box contact 13 and the communication contact 14 are arranged in the first box contact 11 and the second box contact 12 respectively to form an annular inner part. Correspondingly, the earphone first contact 21 of the wireless earphone may be circular, and the earphone second contact 22 is located inside the circular ring. And further, the space can be saved, and meanwhile, the processing of each contact is convenient.

The utility model also provides a wireless earphone, including earphone first contact 21, earphone first contact 21 is used for simultaneously with the box body first contact 11 and the contact of box body second contact 12 of the wireless earphone charging box of arbitrary one kind in the above-mentioned embodiment. Because the wireless earphone is arranged corresponding to the wireless earphone charging box, the beneficial effects of the wireless earphone and the specific arrangement of the related structure refer to the above embodiment.

Specifically, the earphone second contact 22 is used for being in contact with the box body third contact 13, the box body third contact 13 is in contact with the earphone second contact 22, a charging loop is formed when the earphone first contact 21 is in contact with the box body first contact 11 so as to charge the wireless earphone, one of the earphone second contact 22 and the earphone first contact 21 is in a circular ring shape, and the other one is located inside the circular ring. That is, the earphone first contact 21 of the wireless earphone may be in a circular ring shape and the earphone second contact 22 is located inside the circular ring, or the earphone second contact 22 of the wireless earphone may be in a circular ring shape and the earphone first contact 21 is located inside the circular ring. So set up, the space of ear handle can the rational utilization.

Based on wireless earphone box and the wireless earphone that provides in the above-mentioned embodiment, the utility model also provides a wireless earphone charging device, this wireless earphone charging device include any one wireless earphone box and any one wireless earphone in the above-mentioned embodiment that charges in the above-mentioned embodiment. Of course, the structure of the wireless headset charging box and the wireless headset should be correspondingly configured to fit. Since the wireless headset charging device adopts the wireless headset charging box in the above embodiment, please refer to the above embodiment for the beneficial effects of the wireless headset charging device.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A wireless earphone charging box is used for accommodating and charging a wireless earphone; the intelligent power supply is characterized by comprising a processor, a first level module, a second level module, a box body first contact (11) and a box body second contact (12); the box body first contact (11) is connected with the first level module for outputting a first level;

the second level module is respectively connected with the box body second contact (12) and the processor and is used for outputting a second level opposite to the first level to the processor when a first earphone contact (21) on the wireless earphone is not contacted with the box body first contact (11) and the box body second contact (12), and outputting a third level which is the same as the first level to the processor when the first earphone contact (21) is simultaneously contacted with the box body first contact (11) and the box body second contact (12); the processor is used for judging whether the wireless earphone is arranged in the wireless earphone charging box according to the received level signal.

2. The wireless headset charging box of claim 1, wherein the first level module is a ground module; the second level module comprises a pull-up resistor and a series resistor, one end of the pull-up resistor is connected with the power supply, the other end of the pull-up resistor is connected with one end of the series resistor, the connected public end of the other end of the series resistor is connected with the second contact (12) of the box body, and the other end of the series resistor is connected with the processor.

3. The wireless headset charging box according to claim 1, wherein the first level module is a power supply module, the second level module comprises a pull-down resistor and a series resistor, one end of the series resistor is connected to the second contact (12) of the box body, the other end of the series resistor is connected to one end of the pull-down resistor, the common end of the series resistor and the pull-down resistor is connected to the processor, and the other end of the pull-down resistor is grounded.

4. A wireless headset charging box according to claim 1, characterized in that the box body first contact (11) and the box body second contact (12) are symmetrically arranged and constitute the same overall shape as the headset first contact (21).

5. A wireless headset charging box according to any of claims 1-4, comprising a box body third contact (13) for contacting a headset second contact (22) on the wireless headset, the box body third contact (13) being in contact with the headset second contact (22) and the headset first contact (21) being capable of forming a charging loop when in contact with the box body first contact (11) for charging the wireless headset.

6. The wireless headset charging box according to claim 5, wherein the box body first contact (11) and the box body second contact (12) are semi-circular and oppositely arranged, and the box body third contact (13) is arranged in the annular inner part surrounded by the box body first contact (11) and the box body second contact (12); alternatively, the first and second electrodes may be,

the box body third contact (13) is in a circular ring shape, and the box body first contact (11) and the box body second contact (12) are located inside the circular ring of the box body third contact (13).

7. A wireless headset charging box according to claim 5, further comprising a box body communication contact (14) for connecting with a headset communication contact (23) on the wireless headset for communication;

the box body first contact (11) and the box body second contact (12) are semicircular and oppositely arranged, and the box body third contact (13) and the box body communication contact (14) are respectively arranged in the annular inner part surrounded by the box body first contact (11) and the box body second contact (12); alternatively, the first and second electrodes may be,

the box body third contact (13) is annular, and the box body communication contact (14), the box body first contact (11) and the box body second contact (12) are respectively positioned inside the annular of the box body third contact (13); alternatively, the first and second electrodes may be,

the box body communication contact (14) is in a circular ring shape, and the box body third contact (13), the box body first contact (11) and the box body second contact (12) are respectively positioned inside the circular ring of the box body communication contact (14).

8. A wireless headset characterized by a headset first contact (21), the headset first contact (21) being adapted to simultaneously contact the housing first contact (11) and the housing second contact (12) of a wireless headset charging housing according to any of the claims 1-7.

9. The wireless headset according to claim 8, comprising a second headset contact (22) for contacting a third cartridge contact (13), wherein the third cartridge contact (13) is in contact with the second headset contact (22) and the first headset contact (21) is capable of forming a charging loop when in contact with the first cartridge contact (11) for charging the wireless headset, wherein one of the second headset contact (22) and the first headset contact (21) is annular and the other is located inside the annular.

10. A wireless headset charging device comprising the wireless headset charging box of any one of claims 1-7 and the wireless headset of claim 8 or 9.

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