Magnetic lithium ion battery

Abstract

The utility model relates to the technical field of standardized household batteries, in particular to a magnetic lithium ion battery, which comprises a battery cell, a magnetic device and an electrode part, the magnetic device is mounted at one end of the battery cell, the magnetic device further comprises a shell electrode part and a magnetic part, the magnetic part is positioned in the shell motor part, an inner electrode hole is arranged in the shell electrode part, and an outer electrode hole is arranged in the magnetic part. The inner electrode piece is arranged in the inner electrode hole and is in insulated contact with the shell electrode piece; the inner electrode piece and the shell electrode piece are electrically connected with the negative electrode and the positive electrode of the battery cell respectively. The utility model has the advantages of better installation simplicity and comfort.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of standardization household battery more particularly, relate to a kind of magnetic lithium ion battery. BACKGROUND

[0002] The existing electronic products on market, or use lithium electronic, built-in product, consumer cannot replace;Or use standard AA / AAA this kind of standardization household battery, consumer can replace.And lithium battery because its strong performance, more and more by consumer favour, but because its high requirement to safety protection, make it more suitable for built-in product.

[0003] Prior art discloses a kind of battery with magnetic attraction charging function, including battery body, metal shell and positive cap, the upper end of battery body is equipped with positive pin and negative pin, positive pin is electrically connected with positive cap, negative pin is electrically connected with metal shell, the bottom of battery body is equipped with charging assembly, and charging assembly includes PCB board, magnet and charging positive column electrically connected with PCB board, the PCB board and magnet are all equipped in the inner bottom of metal shell, charging positive column is electrically connected with positive pin by connecting line, the bottom of metal shell is equipped with the first through-hole for charging positive column to extend downward.

[0004] The structure of the above-mentioned battery, the positive and negative electrodes are still arranged at both ends of the lithium ion cylindrical battery, and the battery mounting bottom shell is still needed to use the installation of the battery, which cannot be well built-in installed on the electrical equipment. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the problem that the battery of prior art still needs to be inserted and installed in alignment, and still has poor simplicity and comfort in installation, and provides a kind of magnetic lithium ion battery.

[0006] To solve the above technical problems, the utility model adopts the technical scheme that:

[0007] Provide a kind of magnetic lithium ion battery, including electric core and magnetic attraction device, the magnetic attraction device is installed in one end of the electric core, still include inner electrode piece, the magnetic attraction device still include shell electrode piece and magnetic attraction piece, the magnetic attraction piece is located in the shell electrode piece, the shell electrode piece is provided with inner electrode hole, the inner electrode piece is installed in the inner electrode hole and is insulated with the shell electrode piece Contact, the inner electrode piece and the shell electrode piece are electrically connected with the negative and positive of the electric core respectively.

[0008] In the working process of the above scheme, first open the external electrical equipment battery insertion port, the battery is installed with the magnetic attraction device one end is moved to close to the insertion port position, the magnetic attraction piece starts to attract each other with the magnetic pole of the insertion port, the electrode end of the shell electrode piece is in contact with the electrode end of the insertion port, and then the battery is pressed, so that the other electrode of the battery insertion port is in contact with the inner electrode piece through the inner electrode hole. The inner electrode piece and the shell electrode piece are insulated and contacted, the internal battery core will not form a short circuit, effectively providing power for the external electrical equipment, and the operator only needs to move the end of the battery with the magnetic attraction device to the vicinity of the insertion port to automatically attract and install and realize power-on. The operation is simple and the manufacturing cost is low.

[0009] Further, the magnetic attraction device further comprises a circuit board, the inner electrode piece and the shell electrode piece are electrically connected to the positive and negative poles of the battery core through the circuit board respectively; the circuit board has a circuit for connecting the positive and negative poles of the battery core with the shell electrode piece and the inner electrode piece; the electrode of the battery core is two positive and negative pins, the circuit board has a pin hole for inserting and welding the pin, and the pin is fixedly connected with the positive and negative pins through a tin soldering process after being inserted into the pin hole.

[0010] Further, the bottom end of the shell electrode piece is provided with a protruding part, and the circuit board is provided with a first insertion hole, and the protruding part is inserted into the first insertion hole to realize electrical connection with the circuit board; the shell electrode piece serves as an electrode of the entire battery and needs to be connected with the electrode of the battery core, and the protruding parts are arranged in pairs and connected with one electrode of the battery core through the circuit on the circuit board.

[0011] Further, the circuit board is further provided with a second insertion hole, and the inner electrode piece is inserted into the second insertion hole to realize electrical connection with the circuit board; the inner electrode piece serves as another electrode of the entire battery and needs to be connected with another electrode of the battery core, and the inner electrode piece is electrically connected with another electrode of the battery core through the circuit on the circuit board.

[0012] Further, the magnetic attraction piece is further provided with a through hole, and the inner electrode piece passes through the through hole; the magnetic attraction piece is a permanent magnet which can provide a relatively gentle magnetic force to attract the entire battery to the insertion port of the electrical equipment, and then press the bottom end of the battery core to make the inner electrode piece in the through hole stably inserted into the electrical equipment, which can effectively prevent the battery from falling during use.

[0013] Further, it further comprises a first insulating piece located between the inner electrode piece and the shell electrode piece; the first insulating piece is made of rubber body and has good insulation, which can effectively prevent the positive and negative poles of the battery from contacting to cause short circuit and burnout of the battery core.

[0014] Further, the first insulating piece comprises an integrally formed upper insulating part and lower insulating part, the upper insulating part is located between the magnetic attraction piece and the inner electrode piece during installation, and is used for insulating the shell electrode piece, the inner electrode piece and the magnetic attraction piece, the lower insulating part is located between the magnetic attraction piece and the circuit board, and is used for insulating the circuit board and the magnetic attraction piece; the first insulating piece is in the shape of a boss, the upper insulating part is a hollow cylinder with a height greater than that of the lower insulating part and a diameter smaller than that of the lower insulating part, and the lower insulating part is a hollow disc.

[0015] Further, a second insulating piece is further included and is installed between the battery cell and the circuit board; the material of the second insulating piece is also rubber, and the second insulating piece is arranged to effectively avoid the welding points on the circuit board from contacting the battery cell to form a short circuit.

[0016] Further, the magnetic attraction device is provided with two types of male head and female head, when the magnetic attraction device is a female head, the inner electrode piece is an electrode needle built in the inner electrode hole, and the inner electrode piece and the groove formed by the upper insulating part are used for plug-in connection with an external electrical equipment; when the magnetic attraction device is a male head, the inner electrode piece is an electrode needle protruding from the shell electrode piece, and the electrode needle is directly plug-in connected with the external electrical equipment; the magnetic attraction device is provided with two types of male head and female head to adapt to two different types of settings of the plug of the external electrical equipment.

[0017] Further, the two types of electrode needles of the inner electrode piece are both provided with protruding blocks, the first insulating piece is provided with a first groove and a second groove, the second groove is arranged at one end of the upper insulating part close to the inner electrode hole, the first groove is away from the second groove, the protruding blocks are installed in the first groove, and the second groove is used for preventing the external electrical equipment from being excessively inserted; the excessive insertion of the external electrical equipment can damage the magnetic attraction device and the first insulating piece, and the first groove is used for clamping and limiting the inner electrode needle.

[0018] Compared with the prior art, the magnetic attraction device has the following beneficial effects:

[0019] 1. The magnetic attraction device is installed at one end of the battery cell, the magnetic attraction piece is located in the shell motor part, the shell electrode piece is provided with an inner electrode hole, the inner electrode piece is installed in the inner electrode hole and is in insulating contact with the shell electrode piece, the inner electrode piece and the shell electrode piece are respectively electrically connected with the negative electrode and the positive electrode of the battery cell, during installation of the battery, only one end of the battery needs to be moved close to the insertion port to be automatically attracted and installed, the magnetic force brings comfortable motion feedback to the operator, only one end needs to be aligned with the installation position, the installation is more simple and comfortable, the operation is simple, and the manufacturing cost is low.

[0020] 2. By the setting of the first insulating piece and the second insulating piece, short circuit of the electric connection of the electric core in the magnetic attraction piece can be effectively avoided, and the safety of the battery is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of a magnetic attraction lithium ion battery;

[0022] Figure 2 It is an explosion view of a magnetic attraction lithium ion battery;

[0023] Figure 3 It is an explosion view of a magnetic attraction device of a magnetic attraction lithium ion battery;

[0024] Figure 4 It is a male head form cross-sectional view of a magnetic attraction device of a magnetic attraction lithium ion battery;

[0025] Figure 5 It is a female head form cross-sectional view of a magnetic attraction device of a magnetic attraction lithium ion battery.

[0026] In the drawings: 1, electric core; 2, magnetic attraction device; 210, shell electrode piece; 211, inner electrode hole; 212, protruding part; 220, magnetic attraction piece; 221, through hole; 230, circuit board; 231, first jack; 232, second jack; 3, inner electrode piece; 310, protruding block; 4, first insulating piece; 410, upper insulating part; 420, lower insulating part; 430, first groove; 440, second groove; 5, second insulating piece. DETAILED DESCRIPTION

[0027] The utility model will be further explained in combination with specific implementation. Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, and cannot be understood as the limitation of the patent; in order to better explain the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of actual product is not represented; for those skilled in the art, it is understandable that some well-known structures and their description in the drawings can be omitted.

[0028] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the positional relationship description in the drawings is only used for example explanation, and cannot be understood as the limitation of the patent, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0029] Example 1

[0030] This embodiment is a first embodiment of a magnetically attracted lithium-ion battery, such as... Figures 1-3 As shown, the device includes a battery cell 1 and a magnetic attraction device 2. The magnetic attraction device 2 is installed at one end of the battery cell 1. The device is characterized by further including an inner electrode component 3. The magnetic attraction device 2 also includes an outer shell electrode component 210 and a magnetic attraction component 220. The magnetic attraction component 220 is located inside the outer shell electrode component 210. An inner electrode hole 211 is provided inside the outer shell electrode component 210. The inner electrode component 3 is installed in the inner electrode hole 211 and is insulated from the outer shell electrode component 210. The inner electrode component 3 and the outer shell electrode component 210 are electrically connected to the negative and positive electrodes of the battery cell 1, respectively.

[0031] Specifically, the magnetic attraction device 2 also includes a circuit board 230. The inner electrode 3 and the outer electrode 210 are electrically connected to the positive and negative terminals of the battery cell 1 respectively through the circuit board 230. The circuit board 230 has circuits for connecting the positive and negative terminals of the battery cell 1 to the outer electrode 210 and the inner electrode 3. The electrodes of the battery cell 1 are two positive and negative pins. The circuit board 230 has pin holes for inserting and soldering the pins. After the pins are inserted into the pin holes, the electrodes are fixedly connected to the positive and negative pins by soldering.

[0032] Specifically, the bottom end of the outer casing electrode 210 is provided with a protrusion 212, and the circuit board 230 is provided with a first insertion hole 231. The protrusion 212 is inserted into the first insertion hole 231 and electrically connected to the circuit board 230. The outer casing electrode 210, as an electrode of the entire battery, needs to be connected to the electrode of the battery cell 1. The protrusions 212 are arranged in pairs, and the two protrusions 212 are connected to one electrode of the battery cell 1 through the circuit on the circuit board 230.

[0033] Specifically, the magnetic component 220 is also provided with a through hole 221, which is aligned and fitted with the inner electrode hole 211, and the inner electrode component 3 is located inside the through hole 221. The magnetic component 220 is a permanent magnet, which can provide a relatively gentle magnetic force to attract the entire battery to the insertion port of the electrical device. Then, the inner electrode component 3 inside the through hole 221 is inserted into the electrical device to ensure stable connection, which can effectively prevent the battery from falling off during use. The magnetic component 220 is an integrally formed cylindrical ring. During manufacturing, the magnetic component 220 only needs to be installed into the outer electrode component 210, which is simple to operate and has a large adsorption area.

[0034] The working principle of a magnetic lithium-ion battery in this embodiment is as follows:

[0035] The battery installation magnetic attraction device 2 is moved to the position close to the insertion port, at this time the magnetic attraction piece 220 starts to attract the magnetic pole of the insertion port, the electrode end of the shell electrode piece 210 is in contact with the electrode end of the insertion port, and the other electrode of the battery insertion port is in contact with the inner electrode piece 3 through the inner electrode hole 211, the inner electrode piece 3 is in insulated contact with the shell electrode piece 210, and the voltage of the battery core 1 is transmitted to the shell electrode piece 210 and the inner electrode piece 3 through the circuit on the circuit board 230, and the entire circuit connected with the electric device provides power for the electric device.

[0036] The beneficial effects of the embodiment are that when installing the battery, only the end of the battery installation magnetic attraction device 2 needs to be moved to the position close to the insertion port to automatically attract and install and realize power-on, the operation is simple, and the manufacturing cost is low.

[0037] Embodiment 2

[0038] The second embodiment of the magnetic attraction lithium ion battery is similar to the first embodiment, and the difference is that, as shown in the figure, a first insulation piece 4 is further included, and the first insulation piece 4 is located between the inner electrode piece 3 and the shell electrode piece 210; the material of the first insulation piece 4 is rubber, which has good insulation and can effectively avoid the short circuit and burning of the battery core 1 caused by the contact of the positive and negative electrodes. Figure 3

[0039] Specifically, the first insulation piece 4 includes an integrally formed upper insulation part 410 and a lower insulation part 420, the upper insulation part 410 is located between the magnetic attraction piece 220 and the inner electrode piece 3 during installation, and is used to insulate the shell electrode piece 210, the inner electrode piece 3 and the magnetic attraction piece 220, and the lower insulation part 420 is located between the magnetic attraction piece 220 and the circuit board 230, and is used to insulate the circuit board 230 and the magnetic attraction piece 220; the shape of the first insulation piece 4 is a boss, the upper insulation part 410 is a hollow cylinder with a height greater than the lower insulation part 420 and a diameter smaller than the lower insulation part 420, and the lower insulation part 420 is a hollow disc.

[0040] Specifically, a second insulation piece 5 is further included, and the second insulation piece 5 is installed between the battery core 1 and the circuit board 230; the material of the second insulation piece 5 is also rubber, and the setting of the second insulation piece 5 can effectively avoid the short circuit caused by the contact of the welding points on the circuit board 230 and the battery core 1.

[0041] ​The working principle of a magnetic lithium-ion battery in this embodiment is as follows: During the operation of the cell 1, the second insulating member 5 first isolates the positive and negative electrodes of the cell 1 from the bottom surface of the circuit board 230, so that the positive and negative electrodes of the cell 1 only have two stable contact currents with the circuit board 230, and will not form multiple contact points that would lead to parallel short circuit. When the circuit board 230 transmits voltage to the outer electrode part and the inner electrode part 3, the lower insulating part 420 of the first insulating member 4 separates the outer electrode part 210 from the circuit board 230, and then the upper insulating part 410 separates the outer electrode part 210 from the inner electrode part 3, forming effective insulation.

[0042] The beneficial effects of this embodiment are: the provision of the first insulating member 4 and the second insulating member 5 can effectively prevent short circuits in the electrical connection of the battery cell 1 inside the magnetic suction member 220, thereby effectively improving the safety of the battery.

[0043] Example 3

[0044] This embodiment is a third embodiment of a magnetically attracted lithium-ion battery. This embodiment is similar to Embodiment 1 or Embodiment 2, except that, as Figure 4 and 5 As shown, the magnetic suction device 2 has two forms: male and female. When the magnetic suction device 2 is a female, the inner electrode 3 is an electrode needle built into the inner electrode hole 211. The groove formed by the inner electrode 3 and the upper insulating part 410 is used for insertion and connection with external electrical equipment. When the magnetic suction device 2 is a male, the inner electrode 3 is an electrode needle protruding from the outer shell electrode 210. The electrode needle is directly inserted and connected with external electrical equipment. The magnetic suction device 2 has two forms, male and female, to adapt to the two different forms of external electrical equipment sockets.

[0045] Specifically, both electrode needle forms of the inner electrode component 3 are provided with protrusions 310, and the first insulating component 4 is provided with a first groove 430 and a second groove 440. The second groove 440 is located at the end of the upper insulating part 410 near the inner electrode hole 211, and the first groove 430 is away from the second groove 440. The protrusions 310 are installed in the first groove 430. The second groove 440 is used to prevent external electrical equipment from being excessively inserted. Excessive insertion of external electrical equipment will damage the magnetic suction device 2 and the first insulating component 4. The first groove 430 is used to lock and restrict the inner electrode needles.

[0046] The working principle of a magnetic lithium-ion battery in this embodiment is as follows: When the female connector is connected to the insertion port of an external electrical device, the male connector of the electrical device is inserted into the slot formed between the electrode pin of the inner electrode 3 and the upper insulating part 410 to form a stable connection. When the male connector is connected to the insertion port of an external electrical device, the protruding part of the inner electrode 3 is inserted into the female connector of the electrical device, and the plane of the electrode pin of the inner electrode 3 contacts the inside of the insertion port to form a stable connection.

[0047] The beneficial effect of the embodiment is that the battery can adapt to more mounting hole positions by setting the two forms of magnetic attraction devices 2, and the practicability of the battery is improved.

[0048] In the specific contents of the above specific embodiments, each technical feature can be combined arbitrarily without contradiction, and to make the description concise, all possible combinations of the above technical features are not described, but as long as the combination of the technical features does not exist contradiction, it should be considered as the scope of the present application.

[0049] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the implementation modes are not required or can not be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A magnetic lithium ion battery, comprising a battery cell (1) and a magnetic device (2), the magnetic device (2) is installed on one end of the battery cell (1), characterized in that, The magnetic attraction device (2) further comprises a shell electrode piece (210) and a magnetic attraction piece (220), the magnetic attraction piece (220) is located in the shell electrode piece (210), the shell electrode piece (210) is provided with an inner electrode hole (211), the inner electrode piece (3) is installed in the inner electrode hole (211) and in insulated contact with the shell electrode piece (210), and the inner electrode piece (3) and the shell electrode piece (210) are electrically connected with the negative electrode and the positive electrode of the battery cell (1) respectively.

2. The magnetic lithium-ion battery of claim 1, wherein, The magnetic attraction device (2) further comprises a circuit board (230), and the inner electrode piece (3) and the shell electrode piece (210) are electrically connected with the positive electrode and the negative electrode of the battery cell (1) respectively through the circuit board (230).

3. The magnetic lithium-ion battery of claim 2, wherein, The shell electrode piece (210) is provided with a protruding part (212) at the bottom end, the circuit board (230) is provided with a first jack (231), and the protruding part (212) is inserted into the first jack (231) to realize electrical connection with the circuit board (230).

4. The magnetic lithium-ion battery of claim 2, wherein, The circuit board (230) is further provided with a second jack (232), and the inner electrode piece (3) is inserted into the second jack (232) to realize electrical connection with the circuit board (230).

5. The magnetic lithium-ion battery of claim 1, wherein, The magnetic attraction piece (220) is further provided with a through hole (221), and the inner electrode piece passes through the through hole (221).

6. The magnetic lithium-ion battery of claim 2, wherein, A first insulation piece (4) is further included, and the first insulation piece (4) is located between the inner electrode piece (3) and the shell electrode piece (210).

7. The magnetic lithium-ion battery of claim 6, wherein, The first insulation piece (4) comprises an upper insulation part (410) and a lower insulation part (420) which are integrally formed, the upper insulation part (410) is located between the magnetic attraction piece (220) and the inner electrode piece (3) during installation, and is used for insulating the shell electrode piece (210) and the inner electrode piece (3), and the lower insulation part (420) is located between the magnetic attraction piece (220) and the circuit board (230), and is used for insulating the circuit board (230) and the magnetic attraction piece (220). 8.The magnetic lithium-ion battery of claim 2, wherein, A second insulation piece (5) is further included, and the second insulation piece (5) is installed between the battery cell (1) and the circuit board (230).

9. The magnetic lithium-ion battery of claim 7, wherein, The magnetic attraction device (2) is provided with a male head and a female head, when the magnetic attraction device (2) is a female head, the inner electrode piece (3) is an electrode pin which is embedded in the inner electrode hole (211), and a groove formed by the inner electrode piece (3) and the upper insulation part (410) is used for plug-in connection with an external electrical equipment, and when the magnetic attraction device (2) is a male head, the inner electrode piece (3) is an electrode pin which protrudes from the shell electrode piece (210), and the electrode pin is directly plug-in connected with an external electrical equipment.

10. The magnetic lithium-ion battery of claim 9, wherein, Both of the two electrode needle shapes of the inner electrode piece (3) are provided with protrusions (310), the first insulation piece (4) is provided with a first groove (430) and a second groove (440), the second groove (440) is arranged at one end of the upper insulation part (410) close to the inner electrode hole (211), the first groove (430) is away from the second groove (440), the protrusion (310) is installed in the first groove (430), and the second groove (440) is used for preventing external electrical equipment from being excessively inserted.

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