CN218513633U

CN218513633U - Rechargeable battery structure with built-in lithium battery and electronic equipment

Info

Publication number: CN218513633U
Application number: CN202222348706.XU
Authority: CN
Inventors: 苏永东
Original assignee: Xinjia Digital Electronics Shenzhen Co ltd
Current assignee: Xinjia Digital Electronics Shenzhen Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-02-21
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to a rechargeable battery structure and electronic equipment of built-in lithium cell. The shape and size of the outer shell of the battery structure are consistent with those of dry batteries of any model, the outer shell is used for being installed in a battery cabin of electronic equipment, a lithium battery and a charging circuit board are arranged in the outer shell, the lithium battery is electrically connected with the charging circuit board, and the charging circuit board is at least provided with an input port; one end of the connecting piece is connected with the external receiving coil, the other end of the connecting piece is provided with a plug, the plug is used for being inserted into the input port, and the charging circuit board is electrically connected with the external receiving coil through the connecting piece; the external receiving coil is arranged outside the outer shell and used for being tightly attached to and fixed on the inner side face or the outer side face of the electronic equipment shell. The utility model discloses need not to dismantle the battery and charge, the wireless charger of external receiving coil laminating alright with wireless charging, convenient to use nature is promoted, still is convenient for reform transform old money electronic equipment for old money electronic equipment has also possessed the wireless function of charging.

Description

Rechargeable battery structure with built-in lithium battery and electronic equipment

Technical Field

The utility model relates to a battery technology, the more specifically rechargeable battery structure and electronic equipment of built-in lithium cell that says so.

Background

Dry batteries, which were originally defined as chemical batteries that generate direct current using a paste electrolyte (wet batteries are chemical batteries using a liquid electrolyte), are largely classified into primary batteries and secondary batteries, which are commonly used in daily life, and portable batteries. Dry batteries can be used in many electrical appliances. The common dry batteries comprise a No. 2 battery, a No. 5 battery, a No. 7 battery, a No. 8 battery, a 9V/15V battery (laminated battery) and the like, and the shape and the size of each type are different. The general dry battery needs to be discarded after the electricity is used up, and is not environment-friendly. Some dry cell shaped rechargeable batteries have thus emerged, which differ from conventional dry cells in their chemical content, but which can be recharged repeatedly to reduce the number of discarded batteries. However, when the rechargeable battery needs to be charged, the rechargeable battery needs to be detached from the battery compartment of the electric appliance and then charged by a specific charger, so that the use convenience is not high and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above defect of prior art, provide a rechargeable battery structure and electronic equipment of built-in lithium cell to improve convenient to use nature.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the rechargeable battery structure with the built-in lithium battery comprises an outer shell, the lithium battery, a rechargeable circuit board, a flexible connecting piece and an external receiving coil, wherein the shape and the size of the outer shell are consistent with those of dry batteries of any type; one end of the connecting piece is connected with the external receiving coil, the other end of the connecting piece is provided with a plug, the plug is used for being inserted into the input port, and the charging circuit board is electrically connected with the external receiving coil through the connecting piece; the external receiving coil is arranged outside the outer shell and used for being tightly attached to and fixed on the inner side face or the outer side face of the electronic equipment shell.

Further, the connecting piece is a lead or a flexible circuit board.

Further, the input port is a socket with at least two pins.

Furthermore, the charging circuit board is also provided with ase:Sub>A wired input port, and the Type of the wired input port is Micro-USB, mini-USB, type-C, USB-A or ase:Sub>A socket with ase:Sub>A contact pin.

Furthermore, the outer side of the outer shell is provided with a positive electrode and a negative electrode, and the positive electrode and the negative electrode are respectively electrically connected with the charging circuit board; the positive and negative positions of the outer shell are respectively corresponding to the positive and negative positions of the dry battery.

Furthermore, a magnet is arranged in the middle of the external receiving coil and used for magnetically attracting and fixing the external wireless charger.

The utility model also discloses an electronic equipment, but its rechargeable battery structure that includes above built-in lithium cell.

Compared with the prior art, the utility model beneficial effect be: set up external receiving coil, charging circuit board and lithium cell, can carry out wireless charging many times to battery structure, external receiving coil can paste medial surface or the lateral surface at the electronic equipment casing as required moreover, consequently as long as put electronic equipment on wireless charger and let external receiving coil laminating wireless charger alright in order to carry out wireless charging, need not to dismantle battery structure and charge, more need not to purchase battery charger, convenient to use nature is promoted. In addition, old electronic equipment is convenient to reform transform, and the old electronic equipment also has the wireless charging function. Adopt the electronic equipment of dry battery only to use the utility model discloses an old battery of battery structure replacement can be upgraded to wireless battery charging outfit, uses supporting wireless charger to realize not taking apart the wireless charging of lid to can use repeatedly for a long time, inhale through magnetism and realize automatic absorption and location. In addition, wired charging can be realized through a wired input port besides a wireless charging mode, and a user can select and use the wireless charging mode according to needs.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an exploded view of a battery according to a first embodiment of the present invention.

Fig. 2 is a sectional view of the battery structure according to the first embodiment of the present invention.

Fig. 3 is an exploded view of a battery according to a second embodiment of the present invention.

Fig. 4 is a sectional view of a battery structure according to a second embodiment of the present invention.

Fig. 5 is an exploded view of a third embodiment of the battery of the present invention.

Fig. 6 is an exploded view of an electronic device according to a fourth embodiment of the present invention.

Fig. 7 is an exploded view of an electronic device according to a fifth embodiment of the present invention.

Fig. 8 is a cross-sectional view of an electronic device according to a sixth embodiment of the present invention.

Fig. 9 is an exploded view of a self-contained wireless charger.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

First embodiment

The first embodiment is a rechargeable battery structure as shown in fig. 1 and 2. The battery structure comprises an outer shell 11, a lithium battery 12, a charging circuit board 13, a flexible connecting piece 16 and an external receiving coil 17. The outer housing 11 may be made of plastic. The outer case 11 is used for being fitted into a battery compartment of an electronic device, and the shape and size of the outer case 11 of the first embodiment correspond to those of a 9V laminated dry battery, so that the battery structure of the first embodiment is suitable for an electronic device using a 9V laminated dry battery. As shown in fig. 1 and 2, a lithium battery 12 and a charging circuit board 13 are disposed in the outer case 11, and the lithium battery 12 is electrically connected to the charging circuit board 13. The circuit design of the charging circuit board 13 capable of realizing wireless charging and wired charging is the conventional technology, and the charging circuit board 13 can be directly purchased, and the specific circuit design of the charging circuit board is not required to be repeated herein. As shown in fig. 1 and 2, the charging circuit board 13 is provided with an input port 14, and the input port 14 is a socket with at least two pins, so that a socket with more pins can be used when a larger current is required. The charging circuit board 13 is electrically connected to an external receiving coil 17 via a connecting element 16. Specifically, the connector 16 is two flexible wires. The connector 16 has one end connected to the external receiving coil 17 and the other end provided with a plug 161, and the plug 161 is used for being inserted into the input port 14 to form an electrical connection. In addition, as shown in fig. 1 and 2, the external receiving coil 17 is disposed outside the outer housing 11, the external receiving coil 17 is used to be tightly attached to the inner side or the outer side of the electronic device housing, so as to improve the charging efficiency, and the position of the external receiving coil 17 in the electronic device housing can be set/adjusted as required, so as to achieve a better use effect. In addition, a magnet 171 is disposed at a middle position of the external receiving coil 17, and the magnet 171 is used for magnetically attracting and fixing an external wireless charger. As shown in fig. 9, the wireless charger 70 is provided with a transmitting coil 71 inside, a magnet 72 is arranged in the middle of the transmitting coil 71, and the polarities of the magnet 72 and the magnet 171 are opposite, so that the external receiving coil 17 can be automatically attracted and fixed and automatically aligned when approaching the transmitting coil 71 of the wireless charger 70.

In other embodiments, the connector may be replaced with a flexible circuit board.

In addition, as shown in fig. 1 and 2, the charging circuit board 13 is further provided with a wired input port 15, and the wired input port 15 is of a Type of Type-C. In other embodiments, the wired input port may be selected from Micro-USB, mini-USB, USB-A, or ase:Sub>A type of receptacle with pins. When the wireless charging device is used, the wireless charging mode can be selected to charge the lithium battery, and the wired charging mode can also be used for charging the lithium battery 12 in a wired mode by inserting a power line into the wired input port 15.

As shown in fig. 2, a positive electrode 18 and a negative electrode 19 are provided on the outer side of the outer case 11, and the positive electrode 18 and the negative electrode 19 are electrically connected to the charging circuit board 13, respectively. The positions of the positive electrode 18 and the negative electrode 19 of the outer shell 11 correspond to the positions of the positive electrode and the negative electrode of the 9V laminated dry battery respectively, so that the battery can be matched after being inserted into the battery bin.

Second embodiment

The second embodiment is a rechargeable battery structure as shown in fig. 3 and 4. The battery structure comprises an outer shell 21, a lithium battery 22, a charging circuit board 23, a flexible connecting piece 26 and an external receiving coil 27. The outer housing 21 may be made of plastic. The outer case 21 is used to be fitted into a battery compartment of an electronic device, and the shape and size of the outer case 21 of the second embodiment are identical to those of a dry battery No. 5 of 1.5V, so that the battery structure of the second embodiment is suitable for an electronic device using a dry battery No. 5. As shown in fig. 3 and 4, a lithium battery 22 and a charging circuit board 23 are disposed in the outer casing 21, and the lithium battery 22 is electrically connected to the charging circuit board 23. The circuit design of the charging circuit board 23 capable of realizing wireless charging and wired charging is the conventional technology in the prior art, and the charging circuit board 23 can be directly purchased and obtained, so that the specific circuit design of the charging circuit board 23 does not need to be repeated. As shown in fig. 3 and 4, the charging circuit board 23 is provided with an input port 24, and the input port 24 is a socket with 4 pins. The charging circuit board 23 is electrically connected to an external receiving coil 27 via a connecting element 26. Specifically, the connector 26 is two flexible wires. The connector 26 has one end connected to the external receiving coil 27 and the other end provided with a plug 261, wherein the plug 261 is used for being inserted into the input port 24 to form an electric connection. Since the housing 21 of the second embodiment is relatively small, the wired charging input and the wireless charging input share the single input port 24. Two pins of the input port 24 are electrically connected to an external receiving coil 27 through a connecting piece 26, and the other 2 pins can realize the power input of wired charging by using another plug and a conducting wire.

In addition, as shown in fig. 3 and 4, the external receiving coil 27 is disposed outside the outer casing 21, the external receiving coil 27 is used to be tightly attached to the inner side or the outer side of the electronic device casing to improve the charging efficiency, and the position of the external receiving coil 27 in the electronic device casing can be set/adjusted as required to achieve a better use effect. In addition, a magnet 271 is arranged in the middle of the external receiving coil 27, and the magnet 271 is used for magnetically attracting and fixing the external wireless charger. As shown in fig. 9, the wireless charger 70 is provided with a transmitting coil 71 inside, a magnet 72 is arranged in the middle of the transmitting coil 71, and the polarities of the magnet 72 and the magnet 271 are opposite, so that the external receiving coil 27 can be automatically attracted and fixed and automatically aligned when approaching the transmitting coil 71 of the wireless charger 70.

As shown in fig. 4, a positive electrode 28 and a negative electrode 29 are provided on the outer side of the outer case 21, and the positive electrode 28 and the negative electrode 29 are electrically connected to the charging circuit board 23, respectively. The positive 28 and negative 29 positions of the outer housing 21 correspond to the positive and negative positions of the No. 5 dry cell respectively, so that the fitting can be realized after the battery compartment is inserted.

When in operation, the utility model discloses 1.5V battery series can have following different models: the internal short circuit type (only plays a conductive role, and does not have a lithium battery and an external receiving coil)/1.5V type (standard type)/3V type (equivalent to 2-section 1.5V battery)/4.5V type (equivalent to 3-section 1.5V battery)/6V type (equivalent to 4-section 1.5V battery)/7.5V type (equivalent to 5-section 1.5V battery) and the like, wherein the external dimensions of all types in the series are completely the same, and the difference is whether the output voltage of the lithium battery and the output voltage of the lithium battery exist.

To the electronic equipment who needs use multisection dry battery, adopt the utility model discloses a battery structure can have the dual mode: the first mode is to use a plurality of 1.5V batteries with the same type, but during installation, whether enough space is provided for placing an external receiving coil and a flexible wire is needed; the second mode is to use the utility model battery different voltage versions of same series, for example electronic equipment needs 3 sections 1.5V dry batteries, 2 of packing into earlier the utility model discloses 1.5V battery series's internal short circuit type packs into a 1.5V battery series's 4.5V type at last, and total voltage is exactly 4.5V like this, only needs 1 fixed external receiving coil to use.

Third embodiment

The third embodiment is a rechargeable battery structure as shown in fig. 5. The battery structure of the third embodiment is not much different from that of the first embodiment in that: the outer case 31 of the battery structure of the third embodiment is the same as the 15V stacked dry battery in shape and size, and the positive and negative electrodes are respectively arranged at two ends of the outer case 31; the battery structure of the third embodiment provides an output voltage of 15V; the input port 34 of the battery structure of the third embodiment is a socket of a four-pin socket, and the wired charging input and the wireless charging input share one input port 34, wherein two pins are electrically connected to an external receiving coil 37 through a connecting piece 36, and the other two pins can realize the power input of wired charging by using another plug and a wire.

Fourth embodiment

The fourth embodiment is an electronic device, specifically a multimeter 40, the structure of which is shown in FIG. 6. The multimeter 40 of FIG. 6 can use a 9V stacked dry cell battery, and therefore the multimeter 40 of the fourth embodiment uses the rechargeable battery configuration of the first embodiment. The outer housing 11 is placed in the battery compartment 41, and the external receiving coil 17 can be fixed on the inner side of the compartment cover 42 by glue or the like. Therefore, when charging is needed, the bin cover 42 of the multimeter 40 is close to the side where the transmitting coil of the wireless charger is located, and magnetic attraction is performed to realize automatic adhesion alignment so as to perform wireless charging.

Fifth embodiment

The fifth embodiment is an electronic device, specifically a mouse 50, and the structure is shown in fig. 7. The mouse 50 of fig. 7 can use a 5-size dry battery, and therefore the mouse 50 of the fifth embodiment uses the rechargeable battery structure of the second embodiment. The outer housing 21 is disposed in the battery compartment 51, and the external receiving coil 27 is fixed on the inner side of the bottom cover 52 of the mouse 50 by glue or the like. Therefore, when charging is needed, the external receiving coil 27 in the mouse 50 is close to the side where the transmitting coil of the wireless charger is located, and the wireless charging is performed by magnetic attraction automatic attaching alignment.

Sixth embodiment

The sixth embodiment is an electronic device, specifically a microphone 60, and the structure is shown in fig. 8. The microphone 60 of fig. 8 can use a 5-size dry cell battery, and therefore the microphone 60 of the sixth embodiment uses the rechargeable battery structure of the second embodiment. The outer casing 21 is placed in the bottom battery compartment 61, the external receiving coil 27 is fixed on the outer side surface of the compartment cover 62 by means of glue or the like, and the connecting member 26 penetrates through the compartment cover 62. Therefore, when charging is needed, the external receiving coil 27 at the bottom of the microphone 60 is close to the side where the transmitting coil of the wireless charger is located, and magnetic attraction is performed to automatically attach and align the wireless charger for wireless charging.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The rechargeable battery structure with the built-in lithium battery is characterized by comprising an outer shell, the lithium battery, a rechargeable circuit board, a flexible connecting piece and an external receiving coil, wherein the shape and the size of the outer shell are consistent with those of dry batteries of any type, the outer shell is used for being installed in a battery compartment of electronic equipment, the lithium battery and the rechargeable circuit board are arranged in the outer shell, the lithium battery is electrically connected with the rechargeable circuit board, and the rechargeable circuit board is at least provided with an input port; one end of the connecting piece is connected with the external receiving coil, the other end of the connecting piece is provided with a plug, the plug is used for being inserted into the input port, and the charging circuit board is electrically connected with the external receiving coil through the connecting piece; the external receiving coil is arranged outside the outer shell and used for being tightly attached to and fixed on the inner side face or the outer side face of the electronic equipment shell.

2. The rechargeable battery structure of an internal lithium battery as claimed in claim 1, wherein the connecting member is a lead wire or a flexible circuit board.

3. The rechargeable battery structure with built-in lithium battery as claimed in claim 1, wherein said input port is a socket with at least two pins.

4. The rechargeable battery structure with built-in lithium battery as claimed in claim 1, wherein the rechargeable circuit board further has ase:Sub>A wired input port, and the Type of the wired input port is Micro-USB, mini-USB, type-C, USB-ase:Sub>A or ase:Sub>A socket with ase:Sub>A pin.

5. The rechargeable battery structure with built-in lithium battery as claimed in claim 1, wherein the outer side of the outer casing is provided with a positive electrode and a negative electrode, and the positive electrode and the negative electrode are respectively electrically connected to the charging circuit board; the positive and negative electrode positions of the outer shell respectively correspond to the positive and negative electrode positions of the dry battery.

6. The rechargeable battery structure of an internal lithium battery as claimed in claim 1, wherein a magnet is disposed at a middle position of the external receiving coil, and the magnet is used for magnetically fixing an external wireless charger.

7. An electronic device, characterized in that it comprises a rechargeable battery structure with a built-in lithium battery according to any of claims 1-6.