CN110829522A - A charger - Google Patents
A charger Download PDFInfo
- Publication number
- CN110829522A CN110829522A CN201911043963.9A CN201911043963A CN110829522A CN 110829522 A CN110829522 A CN 110829522A CN 201911043963 A CN201911043963 A CN 201911043963A CN 110829522 A CN110829522 A CN 110829522A
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- Prior art keywords
- slider
- plate
- charging post
- shell
- charging
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of charging of wearable equipment, and particularly relates to a charger which is used for the wearable equipment and comprises a shell, a mainboard, a first charging column and a second charging column, wherein a cavity defined by the shell is provided with a slideway, and a long through hole which is arranged in the same direction as the slideway is arranged on the shell at a position corresponding to the slideway; the first sliding block is provided with a first rack portion meshed with one side of the driving wheel, the second sliding block is provided with a second rack portion meshed with the other side of the driving wheel, and the first charging column and the second charging column are fixedly connected with the first sliding block and the second sliding block respectively and penetrate out of the long through hole. The distance between first post and the second post of charging can be adjusted, is applicable to the wearing equipment of different patterns, has solved the problem that current wearing equipment's charger can not be general.
Description
Technical Field
The invention belongs to the technical field of charging of wearable equipment, and particularly relates to a charger.
Background
More and more wearing equipment such as intelligent wrist-watch appear in daily life, and its charger is the seat form, and the interval is equipped with two charging posts on the pedestal. Along with the development of technology, the pattern of wearing equipment is also more and more, and the distance that charges on the different wearing equipment between the contact is different, and like this, the wearing equipment that corresponds different patterns just need be equipped with different chargers, and the charger of different wearing equipment can not be general, has brought very big inconvenience for the user.
Disclosure of Invention
The invention aims to provide a charger, and aims to solve the problem that the charger of the existing wearable device cannot be used universally.
The invention discloses a charger, which is used for wearing equipment and comprises a shell, a main board arranged in a cavity enclosed by the shell, and a first charging column and a second charging column which are respectively electrically connected with the main board, wherein a slide way is arranged in the cavity enclosed by the shell, and a long through hole which is arranged in the same direction as the slide way is arranged on the shell corresponding to the slide way; still including rotating and installing drive wheel in the slide, setting are in the shell outside is used for the drive wheel pivoted knob and respectively slidable mounting be in first slider and second slider in the slide be equipped with on the first slider with the drive wheel is close to the first rack portion of one side meshing of the first side of slide be equipped with on the second slider with the drive wheel is close to the second rack portion of the opposite side meshing of the second side of slide, first charging post the second charging post respectively with first slider the second slider fixed connection and wear out long through-hole.
As an improvement, the first slider and the second slider respectively comprise plate bodies arranged along the extending direction of the slide way, the plate bodies of the first slider and the second slider are respectively arranged on two opposite sides of the driving wheel, and a plurality of driving teeth are respectively arranged on one sides, close to the driving wheel, of the plate bodies of the first slider and the second slider.
As an improvement, the first end department of the plate body of first slider is equipped with to the extension board that the first end department of the plate body of second slider extends the second end department of the plate body of second slider is equipped with to the extension board that the second end department of the plate body of first slider extends, two the first end of plate body and the width, two of the extension board that sets up between the two the second end of plate body and the width of the extension board that sets up between the two respectively with the width looks adaptation of slide, two form the interval space between the plate body part of first slider and the plate body part of second slider between the extension board, the drive wheel is installed in the interval space.
As an improvement, the first charging post is mounted on the extension plate connected with the plate body of the first slider, and the second charging post is mounted on the extension plate connected with the plate body of the second slider.
As an improvement, a metal plate is fixed on each extension plate, an electric connector is connected between each metal plate and the main board, the end portions of the first charging column and the second charging column are fixedly connected and conducted with the corresponding metal plates, and the first charging column and the second charging column penetrate through the corresponding extension plates.
As an improvement, an elastic soft sealing plate is arranged at a position, corresponding to the elongated through hole, of the inner side wall of the housing, the peripheral side of the soft sealing plate is in sealing connection with the inner side wall of the housing at the peripheral side of the elongated through hole, and the first charging column and the second charging column penetrate through the soft sealing plate respectively.
As an improvement, sleeves which are connected with the soft sealing plate into a whole are respectively arranged at the positions of the soft sealing plate corresponding to the first charging column and the second charging column, and the first charging column and the second charging column are respectively inserted into the corresponding sleeves.
As an improvement, the housing comprises a cover-shaped upper shell and a lower shell buckled on a cover opening of the upper shell, and the long through hole is arranged on the end surface of the upper shell; two side plates are arranged between two opposite sides of the peripheral side wall of the upper shell at intervals side by side, and a channel is formed between the two side plates.
As an improvement, the knob and the driving wheel are coaxially arranged and are connected into a whole through a connecting rod.
As an improvement, a first magnet and a second magnet are respectively arranged at the positions of two opposite sides of the slide way in a cavity enclosed by the shell; the relative both sides of slide be equipped with respectively with shell sliding connection's clamping structure the corresponding every side in the shell encloses into the cavity clamping structure be equipped with respectively to the shell encloses into the cavity pulling clamping structure's elastic stretching piece.
Due to the adoption of the technical scheme, the charger comprises a shell, a main board arranged in a cavity defined by the shell, and a first charging column and a second charging column which are respectively electrically connected with the main board, wherein a slideway is arranged in the cavity defined by the shell, and a long through hole which is arranged in the same direction as the slideway is arranged on the shell at a position corresponding to the slideway; the first sliding block is provided with a first rack portion meshed with one side, close to the first side edge of the slide way, of the driving wheel, the second sliding block is provided with a second rack portion meshed with the other side, close to the second side edge of the slide way, of the driving wheel, and the first charging column and the second charging column are fixedly connected with the first sliding block and the second sliding block respectively and penetrate out of the long through hole. The first sliding block and the second sliding block are slidably arranged in the slideway, the first sliding block is provided with a first rack part which is meshed with one side of the driving wheel close to the first side edge of the slideway, the second sliding block is provided with a second rack part which is meshed with the other side of the driving wheel close to the second side edge of the slideway, namely the first rack part and the second rack part are arranged on two opposite sides of the driving wheel and are respectively meshed with the driving wheel for transmission, during adjustment, the driving wheel is driven to rotate by rotating the knob, the driving wheel can drive the first sliding block and the second sliding block to slide in opposite directions or in opposite directions along the slideway, so that a first charging column and a second charging column which are fixed on the first sliding block and the second sliding block can be driven to slide in opposite directions or opposite directions along the slideway, and the adjustment of the distance between the first charging column and the second charging; the distance between the first charging post and the second charging post can be adjusted according to the distance between the two charging contacts on the wearable device, and the charger is suitable for wearable devices of different styles.
Drawings
Fig. 1 is a schematic perspective view of a charger according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a charger according to an embodiment of the present invention;
fig. 3 is a schematic sectional view of a charger according to an embodiment of the present invention (ii);
fig. 4 is a schematic perspective view of the charger according to the embodiment of the present invention with the lower case removed;
the flexible printed circuit board comprises an upper shell 11, an upper shell 12, a lower shell 13, a long through hole 14, a socket 15, a slide rail 21, a main board 22, a first charging column 23, a second charging column 24, a metal plate 25, an FPC circuit board 31, a transmission wheel 32, a knob 33, a first sliding block 34, a second sliding block 35a, an extension plate 35b, an extension plate 36, a soft sealing plate 40a, a clamping structure 40b, a clamping structure 41, a limiting plate part 42, a sliding part 43, a clamping groove 44, an elastic stretching part 45a, a shell connecting column 45b, a clamping structure connecting column 51, a first magnet 52 and a second magnet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 to 4 are schematic structural diagrams of a charger according to an embodiment of the present invention, where fig. 1 shows a schematic perspective structural diagram of the charger according to the embodiment of the present invention, fig. 2 shows a schematic sectional structural diagram (i) of the charger according to the embodiment of the present invention, fig. 3 shows a schematic sectional structural diagram (ii) of the charger according to the embodiment of the present invention, and fig. 4 shows a schematic perspective structural diagram of the charger according to the embodiment of the present invention with a lower case removed. For ease of understanding, only those portions relevant to the embodiments of the present invention are shown in the drawings.
As can be seen from fig. 1, 2, 3 and 4, the charger is used for a wearable device, and includes a housing, a main board 21 installed in a cavity defined by the housing, and a first charging post 22 and a second charging post 23 electrically connected to the main board 21, respectively, a slideway 15 is provided in the cavity defined by the housing, and a long through hole 13 is provided on the housing corresponding to the slideway 15 and in the same direction as the slideway 15; the charging device further comprises a transmission wheel 31 rotatably installed in the slide way 15, a knob 32 arranged on the outer side of the shell and used for driving the transmission wheel 31 to rotate, and a first slide block 33 and a second slide block 34 which are respectively and slidably installed in the slide way 15, wherein a first rack portion meshed with one side, close to the first side edge of the slide way 15, of the transmission wheel 31 is arranged on the first slide block 33, a second rack portion meshed with the other side, close to the second side edge of the slide way 15, of the transmission wheel 31 is arranged on the second slide block 34, and the first charging column 22 and the second charging column 23 are respectively and fixedly connected with the first slide block 33 and the second slide block 34 and penetrate through the long through hole.
Because the first sliding block 33 and the second sliding block 34 are slidably mounted in the slideway 15, and the first sliding block 33 is provided with a first rack part engaged with one side of the driving wheel 31 close to the first side of the slideway 15, and the second sliding block 34 is provided with a second rack part engaged with the other side of the driving wheel 31 close to the second side of the slideway 15, namely the first rack part and the second rack part are arranged on two opposite sides of the driving wheel 31 and respectively engaged with the driving wheel 31 for driving, during adjustment, the rotating knob 32 drives the transmission wheel 31 to rotate, the transmission wheel 31 can drive the first sliding block 33 and the second sliding block 34 to slide along the slide way 15 in opposite or opposite directions, the first charging post 22 and the second charging post 23 fixed on the first sliding block 33 and the second sliding block 34 can be driven to slide in opposite directions or in opposite directions along the slide way 15, so that the distance between the first charging post 22 and the second charging post 23 can be adjusted. The distance between the first charging post 22 and the second charging post 23 can be adjusted according to the distance between the two charging contacts on the wearable device, and the charger is suitable for wearable devices of different styles.
In the present embodiment, the first slider 33 and the second slider 34 respectively include plate bodies disposed along the extending direction of the slide 15, the plate bodies of the first slider 33 and the second slider 34 are respectively disposed on opposite sides of the transmission wheel 31, a plurality of transmission teeth are respectively disposed on the plate bodies of the first slider 33 and the second slider 34 on the sides close to the transmission wheel 31, the plurality of transmission teeth on the plate body of the first slider 33 form a first rack portion, and the plurality of transmission teeth on the plate body of the second slider 34 form a second rack portion.
Specifically, an extension plate 35a extending to the first end of the plate body of the second slider 34 is arranged at the first end of the plate body of the first slider 33, an extension plate 35b extending to the second end of the plate body of the first slider 33 is arranged at the second end of the plate body of the second slider 34, the width of the extension plate 35a between the first ends of the two plate bodies and the width of the extension plate 35b between the second ends of the two plate bodies are respectively matched with the width of the slide way 15, a spacing space is formed between the plate body part of the first slider 33 and the plate body part of the second slider 34 between the extension plate 35a and the extension plate 35b, and the transmission wheel 31 is installed in the spacing space. Because the first end of two plate bodies and the width that sets up extension board 35a between the first end of two plate bodies, the second end of two plate bodies and the width that sets up extension board 35b between the second end of two plate bodies respectively with slide 15's width looks adaptation, can be with first slider 33, the accurate injecion in slide 15 of second slider 34, can make first slider 33, second slider 34 along slide 15's slip more steady.
Since the width of the elongated through hole 13 is often small, and basically only the first charging column 22 and the second charging column 23 can pass through the elongated through hole 13, usually, the first charging column 22 is mounted on the extension plate 35a connected to the plate body of the first slider 33, and the second charging column 23 is mounted on the extension plate 35b connected to the plate body of the second slider 34, so that the central axes of the first charging column 22, the second charging column 23, and the transmission wheel 31 can be ensured to be located in the axial direction of the slide 15.
In order to fix the first charging post 22 and the second charging post 23 conveniently, and realize that the first charging post 22 and the second charging post 23 are electrically connected with the main board 21, a metal plate 24 is fixed on the extension plate 35a and the extension plate 35b respectively, an electrical connector is connected between each metal plate 24 and the main board 21 respectively, specifically, the electrical connector is a wire, an FPC circuit board 25 or a metal elastic piece, if the electrical connector is a metal elastic piece, the metal elastic piece is pressed on the metal plate 24 to realize electrical connection through contact, the end parts of the first charging post 22 and the second charging post 23 are fixedly connected with and conducted with the corresponding metal plate 24 respectively, and the first charging post 22 and the second charging post 23 penetrate through the corresponding extension plate 35a and the extension plate 35b respectively.
At present, because there are strict requirements for waterproof and dustproof performance for electronic products such as chargers, in order to prevent external water, dust and the like from entering into a cavity enclosed by a housing from a long through hole 13, an elastic soft sealing plate 36 is disposed at a position of an inner side wall of the housing corresponding to the long through hole 13, specifically, the soft sealing plate 36 is thin and elastic and is made of silica gel and the like, a peripheral side of the soft sealing plate 36 is connected with the inner side wall of the housing at the peripheral side of the long through hole 13 in a sealing manner, a first charging post 22 and a second charging post 23 respectively penetrate through the soft sealing plate 36, the soft sealing plate 36 can be pulled to generate elastic deformation when the first charging post 22 and the second charging post 23 move, normally, sleeves integrally disposed with the soft sealing plate 36 are disposed at positions corresponding to the first charging post 22 and the second charging post 23 on the soft sealing plate 36, the two sleeves and the soft sealing plate 36 are made of the same material, and the first charging column 22 and the second charging column 23 are respectively inserted into the corresponding sleeves, so that the sealing performance of the positions, corresponding to the soft sealing plate 36, of the first charging column 22 and the second charging column 23 can be enhanced, and the damage of the positions, corresponding to the soft sealing plate 36, of the first charging column 22 and the second charging column 23 can be prevented when the distance between the first charging column 22 and the second charging column 23 is adjusted.
In the present embodiment, the housing includes a cover-shaped upper shell 11 and a lower shell 12 fastened to a cover opening of the upper shell 11, and an elongated through hole 13 is provided on an end surface of the upper shell 11; two side plates are arranged between two opposite sides of the peripheral side wall of the upper shell 11 at intervals side by side, and a slide way 15 is formed between the two side plates.
A plug-in connector electrically connected with the main board 21 is arranged in the cavity surrounded by the shell, and a plug-in port 14 is correspondingly arranged on the peripheral side wall of the upper shell 11.
In the present embodiment, the knob 32 is coaxially disposed with the transmission wheel 31 and integrally connected by a link.
In this embodiment, the first magnet 51 and the second magnet 52 are respectively disposed at the positions on the two opposite sides of the slide 15 in the cavity enclosed by the housing, and two magnets are correspondingly disposed on the wearable device at intervals. Normally, the magnetic polarities of the first magnet 51 and the second magnet 52 are opposite, and the magnetic polarities of the two magnets on the wearable device are also opposite, only when the magnet with the opposite magnetic polarity to the first magnet 51 on the wearable device is aligned with the first magnet 51 and the magnet with the opposite magnetic polarity to the second magnet 52 on the wearable device is aligned with the second magnet 52, the wearable device can be placed on the charger for charging, and the first charging post 22 and the second charging post 23 of the charger can be ensured to be aligned with and contacted with the corresponding charging contacts on the wearable device for charging; of course, the magnetic polarities of the first magnet 51 and the second magnet 52 may be the same.
Cavity grooves are respectively arranged on two opposite sides of the slideway 15 corresponding to the first magnet 51 and the second magnet 52, and the first magnet 51 and the second magnet 52 are respectively clamped in the corresponding cavity grooves.
In this embodiment, the two opposite sides of the slide way 15 are respectively provided with a clamping structure 40a and a clamping structure 40b which are slidably connected with the housing, and the clamping structure 40a and the clamping structure 40b which correspond to each side in the cavity enclosed by the housing are respectively provided with an elastic stretching member 44 which pulls the clamping structures into the cavity enclosed by the housing. The wearable device can be confined between the holding structure 40a and the holding structure 40b, and the wearable device can be firmly confined on the charger.
The clamping structures 40a and 40b respectively comprise a limiting plate part 41 arranged outside the shell and a sliding part 42 connected to the limiting plate part 41 and inserted into a cavity enclosed by the shell, and the limiting plate part 41 and the sliding part 42 are of an integrated structure; the clamping structure is provided with a clamping groove 43, a shell connecting column is arranged in a cavity enclosed by the shell and corresponding to the clamping groove 43, a clamping structure connecting column is arranged at one end of the clamping groove 43 far away from the shell connecting column, two ends of the elastic stretching piece 44 are respectively hung on the shell connecting column and the clamping structure connecting column, and generally, the elastic stretching piece 44 is a spring.
The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A charger is used for wearing equipment and comprises a shell, a main board arranged in a cavity defined by the shell, and a first charging column and a second charging column which are respectively electrically connected with the main board, and is characterized in that a slide way is arranged in the cavity defined by the shell, and a long through hole which is arranged in the same direction as the slide way is arranged on the shell corresponding to the slide way; still including rotating and installing drive wheel in the slide, setting are in the shell outside is used for the drive wheel pivoted knob and respectively slidable mounting be in first slider and second slider in the slide be equipped with on the first slider with the drive wheel is close to the first rack portion of one side meshing of the first side of slide be equipped with on the second slider with the drive wheel is close to the second rack portion of the opposite side meshing of the second side of slide, first charging post the second charging post respectively with first slider the second slider fixed connection and wear out long through-hole.
2. The charger according to claim 1, wherein the first slider and the second slider respectively include a plate disposed along an extending direction of the slide, the plate of the first slider and the plate of the second slider are respectively disposed on two opposite sides of the driving wheel, and a plurality of driving teeth are respectively disposed on one sides of the plate of the first slider and the plate of the second slider near the driving wheel.
3. The charger according to claim 2, wherein an extension plate extending to the first end of the plate body of the second slider is provided at the first end of the plate body of the first slider, an extension plate extending to the second end of the plate body of the first slider is provided at the second end of the plate body of the second slider, the first ends of the two plate bodies and the width of the extension plate provided therebetween, the second ends of the two plate bodies and the width of the extension plate provided therebetween are respectively adapted to the width of the slideway, a spacing space is formed between the plate body portion of the first slider and the plate body portion of the second slider between the two extension plates, and the transmission wheel is installed in the spacing space.
4. The charger of claim 3, wherein the first charging post is mounted on the extension plate coupled to the plate body of the first slider and the second charging post is mounted on the extension plate coupled to the plate body of the second slider.
5. The charger according to claim 4, wherein a metal plate is fixed on each of the extension plates, an electrical connector is connected between each of the metal plates and the main plate, ends of the first charging post and the second charging post are fixedly connected to and electrically connected with the corresponding metal plates, and the first charging post and the second charging post penetrate through the corresponding extension plates.
6. The charger according to any one of claims 1 to 5, wherein a flexible sealing plate having elasticity is provided at a position of the inner side wall of the housing corresponding to the elongated through hole, the peripheral side of the flexible sealing plate is connected to the inner side wall of the housing at the peripheral side of the elongated through hole in a sealing manner, and the first charging post and the second charging post respectively penetrate through the flexible sealing plate.
7. The charger according to claim 6, wherein sleeves integrally connected to the soft sealing plate are respectively disposed at positions of the soft sealing plate corresponding to the first charging post and the second charging post, and the first charging post and the second charging post are respectively inserted into the corresponding sleeves.
8. The charger according to claim 1, wherein the housing includes an upper case in a hood shape, and a lower case that is fitted over a hood opening of the upper case, the elongated through-hole being provided on an end surface of the upper case; two side plates are arranged between two opposite sides of the peripheral side wall of the upper shell at intervals side by side, and a channel is formed between the two side plates.
9. The charger according to claim 1, wherein the knob is coaxially disposed with the transmission wheel and integrally connected by a link.
10. The charger according to claim 1, wherein a first magnet and a second magnet are respectively disposed at positions on opposite sides of the slide in a cavity enclosed by the housing; the relative both sides of slide be equipped with respectively with shell sliding connection's clamping structure the corresponding every side in the shell encloses into the cavity clamping structure be equipped with respectively to the shell encloses into the cavity pulling clamping structure's elastic stretching piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043963.9A CN110829522B (en) | 2019-10-30 | 2019-10-30 | A charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043963.9A CN110829522B (en) | 2019-10-30 | 2019-10-30 | A charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110829522A true CN110829522A (en) | 2020-02-21 |
| CN110829522B CN110829522B (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043963.9A Active CN110829522B (en) | 2019-10-30 | 2019-10-30 | A charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829522B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193625A (en) * | 2021-05-19 | 2021-07-30 | 歌尔股份有限公司 | Wearable equipment and charging assembly thereof |
| CN113541261A (en) * | 2021-07-22 | 2021-10-22 | 惠州Tcl云创科技有限公司 | A universal charging stand |
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| CN110829522B (en) | 2022-02-22 |
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