CN221552880U - Battery charger and battery charging system - Google Patents
Battery charger and battery charging system Download PDFInfo
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- CN221552880U CN221552880U CN202420042757.6U CN202420042757U CN221552880U CN 221552880 U CN221552880 U CN 221552880U CN 202420042757 U CN202420042757 U CN 202420042757U CN 221552880 U CN221552880 U CN 221552880U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery charger and a battery charging system. The battery charger includes a battery compartment and an electrical component. The battery compartment is provided with a battery compartment extending in a first direction. The battery compartment is for selectively receiving one of an AA-type battery and an AAA-type battery. The battery compartment includes a positive end wall corresponding to an end of the battery can. The end wall of the positive electrode is provided with a positive electrode groove. The notch of the positive electrode groove faces the battery case in the first direction. The size of the positive electrode groove along the second direction is more than 5mm and less than 10mm. The first direction is perpendicular to the second direction. The electrical component includes a positive electrode portion. The positive electrode is positioned inside the positive electrode groove. And the positive electrode portion does not protrude beyond the surface of the positive electrode end wall that faces the battery case in the first direction. The battery charger and the chargeable battery charging system provided by the utility model have the advantages of simple and compact structure and strong applicability, can avoid battery damage caused by electrifying when the battery is reversely connected, and are more practical and safer.
Description
Technical Field
The present utility model relates generally to the field of battery charging, and more particularly to a battery charger and battery charging system.
Background
The battery case of the battery charger in the related art does not have a reverse connection preventing function. That is, when the positive and negative electrodes of the battery are reversed in the battery case, the power is turned on to reverse charge the battery. Thus, the battery is damaged, and the use safety of the battery is affected.
Accordingly, there is a need to provide a battery charger and a battery charging system that at least partially address the above-mentioned problems.
Disclosure of utility model
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present utility model provides a battery charger comprising:
The battery compartment is provided with a battery groove extending along a first direction, the battery groove is used for selectively accommodating one of an AA type battery and an AAA type battery, the battery compartment comprises a positive end wall corresponding to the end part of the battery groove, the positive end wall is provided with a positive groove, the notch of the positive groove faces the battery groove along the first direction, the size of the positive groove along a second direction is larger than 5mm and smaller than 10mm, and the first direction is perpendicular to the second direction; and
The electrical assembly comprises a positive electrode part, wherein the positive electrode part is positioned in the positive electrode groove, and the positive electrode part does not exceed the surface of the positive electrode end wall, which faces the battery groove along the first direction.
According to the utility model, the battery groove can selectively accommodate the AA type battery and the AAA type battery, the practical range is wider, the positive electrode end wall of the battery groove is provided with the positive electrode groove for accommodating the positive electrode bulge of the battery, and the negative electrode of the battery can be blocked when the battery is reversely connected, so that the influence of the battery reverse connection on the use safety of the battery is avoided, the size design of the positive electrode groove can also be simultaneously adapted to the AA type battery and the AAA type battery, and the positive electrode part is arranged in the positive electrode groove and is used for being in butt joint with the end face of the positive electrode bulge of the battery to realize charging.
Optionally, the battery compartment has a top and a bottom opposite in a third direction, the battery compartment being located at the top of the battery compartment, the third direction being parallel to the orientation of the slots of the battery compartment and perpendicular to the first and second directions;
The size of the positive electrode groove along the second direction increases in a direction parallel to the third direction and away from the notch of the battery jar.
According to the utility model, the positive electrode groove is arranged in a shape with a large bottom and a small top, so that the battery is prevented from being separated from the battery groove, and the structure is more stable.
Optionally, the positive electrode groove penetrates a bottom of the battery compartment in the third direction to allow the positive electrode portion to move in and out of the positive electrode groove.
According to the utility model, the positive electrode groove penetrates through the bottom of the battery compartment, so that the installation and maintenance of the positive electrode part are facilitated, and the battery is also convenient to install.
Optionally, the positive electrode portion is configured as a conductive metal sheet including a first positive electrode protrusion and a second positive electrode protrusion formed to extend in the first direction toward the battery jar, the first positive electrode protrusion and the second positive electrode protrusion being disposed at intervals in the third direction, and the second positive electrode protrusion being closer to the bottom of the battery jar than the first positive electrode protrusion in the third direction, the conductive metal sheet being configured such that:
The first positive electrode bulge contacts with the positive electrode of the AA type battery in the battery groove, and the first positive electrode bulge and the second positive electrode bulge jointly contact with the positive electrode of the AAA type battery in the battery groove.
According to the utility model, the first positive electrode bulge and the second positive electrode bulge are arranged to be capable of simultaneously adapting to the positive electrodes of the AA type battery and the AAA type battery.
Optionally, the first positive electrode protrusion is closer to a center of the battery can in the first direction than the second positive electrode protrusion is in the first direction.
According to the utility model, the first positive electrode bulge can apply a certain acting force to the positive electrode bulge of the AA type battery when the AA type battery is installed, so that the positive electrode bulge is prevented from falling off, and meanwhile, the first positive electrode bulge and the second positive electrode bulge are matched to play a limiting role to the positive electrode bulge of the AAA type battery when the AAA type battery is installed.
Optionally, the battery charger further comprises a bottom cover connected to the bottom of the battery compartment, and a containing cavity is formed between the bottom cover and the battery compartment;
The electrical assembly further includes a circuit board located in the receiving cavity, the positive portion being connected to the circuit board.
According to the utility model, a circuit board is arranged in the accommodating cavity to realize charging.
Optionally, the electrical assembly further comprises an interface member connected to the circuit board, the interface member configured to connect to an external power source.
According to the utility model, the interface means is provided, for example, as a USB interface for connection to an external power source.
Optionally, the electrical assembly further comprises a charge indicator light connected to the circuit board;
The battery charger further comprises a cover that is openably connected to the top of the battery compartment, wherein
The surface cover is constructed to be light-permeable; or alternatively
The surface cover comprises a first window part capable of transmitting light, and the first window part is arranged corresponding to the charging indicator lamp.
According to the utility model, the charging indicator lamp can be used for indicating the charging state, so that the charging indicator lamp is convenient for a user to use, the battery can be conveniently installed or disassembled when the face cover is opened, and the battery can be protected when the face cover is closed.
Optionally, the battery case includes a first case portion for accommodating an AA-type battery and a second case portion for accommodating an AAA-type battery, the second case portion being located inside the first case portion,
The first groove part and the second groove part share the same positive electrode part, the electrical assembly further comprises a first negative electrode part and a second negative electrode part, the first negative electrode part is correspondingly arranged at the end part of the first groove part far away from the positive electrode part, the second negative electrode part is correspondingly arranged at the end part of the second groove part far away from the positive electrode part, and the second negative electrode part is far away from the top of the battery compartment in a third direction than the first negative electrode part.
According to the present utility model, the provision of the first negative electrode portion and the second negative electrode portion enables the negative electrodes of the AA type battery and the AAA type battery to be adapted at the same time.
A second aspect of the present utility model provides a battery charging system including:
the battery charger according to any one of the aspects of the first aspect; and
The rechargeable battery comprises a battery anode, an insulating ring and a battery cathode, wherein the insulating ring is connected between the battery cathode and the battery anode so as to disconnect the battery cathode and the battery anode, the battery cathode is positioned in the ring of the insulating ring, the insulating ring protrudes out of the outer surface of the battery cathode in the length direction of the rechargeable battery, and the insulating ring is used for contacting the end wall of the anode when the battery cathode faces the end wall of the anode so as to prevent the battery cathode from contacting the anode part, and the battery anode comprises an anode post used for contacting the anode part.
According to the utility model, the insulating ring arranged on the battery contacts the end wall of the positive electrode when in reverse connection, so that the battery is prevented from being damaged by electrification.
Drawings
The following drawings of embodiments of the present utility model are included as part of the utility model. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,
FIG. 1 is an exploded view of a battery charger according to an embodiment of the present utility model, wherein a AAA battery and a AA battery are respectively installed in a battery compartment;
FIG. 2 is a schematic top view of a battery compartment of the battery charger shown in FIG. 1, with one AAA battery and one AA battery mounted within the battery compartment, respectively;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the battery compartment shown in FIG. 2 without a battery mounted thereto;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic view of the battery compartment shown in FIG. 2 with one AAA battery and one AA battery mounted in other battery compartments;
FIG. 7 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 8 is an enlarged schematic view of the portion I in FIG. 7;
fig. 9 is a schematic view showing the structure of a rechargeable battery according to an embodiment of the present utility model;
FIG. 10 is an enlarged schematic view of the battery charger shown in FIG. 1 in the position of the positive end wall;
Fig. 11 is an enlarged schematic view of the battery charger shown in fig. 1 at a positive pole position;
FIG. 12 is an enlarged schematic view of the battery charger shown in FIG. 1 in a negative pole position;
FIG. 13 is a schematic cross-sectional view of the battery charger shown in FIG. 1 in a negative portion position; and
Fig. 14 is a three-dimensional schematic view of a battery compartment in the battery charger shown in fig. 1.
Reference numerals illustrate:
1: AA battery 1a: positive pole
1B: negative electrode sheet 1c: insulating ring
2: AAA type battery
101: Battery compartment 101a: a first groove part
101B: the second groove 101c: positive electrode end wall
101D: positive electrode groove 101k: a second window part
101M: get and put and dodge groove
102: Face cover 102a: a first window part
103: Bottom cover 104: light guide
105: The housing chamber 110: electrical component
112: Positive electrode portion 112a: first positive electrode protrusion
112B: second positive electrode protrusion 113: a first negative electrode part
115: Second negative electrode portion 120: interface component
150: Charging indicator light 170: circuit board
D1: first direction D2: second direction
D3: third direction of
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that embodiments of the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the embodiments of the utility model.
In the following description, a detailed structure will be presented for a thorough understanding of embodiments of the present utility model. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are set forth by those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, as the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component". It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like are used herein for illustrative purposes only and are not limiting.
The present utility model provides a battery charger and a battery charging system, wherein the battery charging system includes a battery charger and a rechargeable battery (which may be provided as an AA type battery 1 or an AAA type battery 2).
Hereinafter, specific embodiments of the present utility model will be described in more detail with reference to the accompanying drawings, which illustrate representative embodiments of the present utility model and not limit the present utility model.
As shown in fig. 1, the battery charger provided by the utility model comprises a battery compartment 101 and an electrical component 110, wherein the battery compartment 101 is provided with battery grooves extending along a first direction D1, and a plurality of battery grooves, for example 4 battery grooves, can be simultaneously formed, and each battery groove is used for selectively accommodating one of an AA type battery 1 and an AAA type battery 2, so that the practicability and the suitability of the battery charger are better. In fig. 1, one battery container accommodates an AA type battery 1, and the other battery container accommodates an AAA type battery 2.
The electrical component 110 includes a positive portion 112 for contact with the positive terminal of the battery. As shown in fig. 2, each battery case includes a first case portion 101a for accommodating the AA type battery 1 and a second case portion 101b for accommodating the AAA type battery 2, wherein the second case portion 101b is located inside the first case portion 101a, and the first case portion 101a and the second case portion 101b may share the same positive electrode portion 112. As shown in fig. 3, the extending direction of the first groove portion 101a is parallel to the first direction D1, and a certain angle exists between the extending direction of the second groove portion 101b and the first direction D1, which is beneficial to making the structure of the whole battery charger more compact. The electrical component 110 further includes a first negative electrode portion 113 and a second negative electrode portion 115, where the first negative electrode portion 113 is correspondingly disposed at an end of the first groove portion 101a far from the positive electrode portion 112, and the second negative electrode portion 115 is correspondingly disposed at an end of the second groove portion 101b far from the positive electrode portion 112, and the first negative electrode portion 113 and the second negative electrode portion 115 may be configured as, for example, metal elements having a certain elasticity, and cooperate with the positive electrode portion 112 to apply a force to both ends of the battery so as to fix the battery.
As shown in fig. 4 and 5, the battery compartment 101 includes a positive end wall 101c corresponding to the end of the battery can. The positive electrode end wall 101c is provided with a positive electrode groove 101d. The notch of the positive electrode groove 101D faces the battery can in the first direction D1. The size of the positive electrode groove 101D in the second direction D2 is greater than 5mm and less than 10mm. The first direction D1 is perpendicular to the second direction D2. As shown in fig. 6, 7 and 8, the positive electrode portion 112 is located inside the positive electrode groove 101D, and the positive electrode portion 112 does not protrude beyond the surface of the positive electrode end wall 101c facing the battery case in the first direction D1, so that the negative electrode of the battery cannot contact the positive electrode portion 112 when the battery is reversely connected. Normally, the diameter of the positive electrode post of the AA type battery 1 is at most 5.5mm, and the maximum value of the outer diameter of the aaa type battery 2 is 9.5mm. By defining the dimensions of the positive electrode groove 101D in the second direction D2, the positive electrode posts of the AA type battery 1 and the AAA type battery 2 are allowed to enter the positive electrode groove 101D to be connected with the positive electrode portion 112, while the negative electrodes of the AAA type battery 2 and the AA type battery 1 can be prevented from entering the positive electrode groove 101D, thereby achieving the purpose of preventing reverse connection of the batteries.
The positive electrode groove 101d formed in the positive electrode end wall 101c can be used for accommodating a positive electrode terminal of a battery, and can play a role in blocking a negative electrode of the battery when the battery is reversely connected, so that the influence of the reverse connection of the battery on the use safety of the battery is avoided. The size range of the positive electrode groove 101D along the second direction D2 is determined according to the heights of the positive electrode terminals of the AA type battery 1 and the AAA type battery 2, so that the AA type battery 1 and the AAA type battery 2 can be simultaneously matched, and the positive electrode part 112 arranged in the positive electrode groove 101D can be used for being in butt joint with the positive electrode terminals of the batteries to realize charging.
As shown in fig. 1 and 10, the battery compartment 101 has a top and a bottom opposite to each other along the third direction D3, the battery groove is located at the top of the battery compartment 101, and the size of the positive electrode groove 101D along the second direction D2 increases in a direction parallel to the third direction D3 and away from the notch of the battery groove, so as to prevent the battery from being separated from the battery groove along the third direction D3 during charging, and affect the charging effect. The positive electrode groove 101D penetrates the bottom of the battery compartment 101 in the third direction D3 to allow the positive electrode portion 112 to move in and out of the positive electrode groove 101D, thereby facilitating the installation and maintenance of the positive electrode portion 112 and also facilitating the installation of the battery.
The positive electrode portion 112 is configured, for example, as a conductive metal sheet, which is brought into contact with a positive electrode terminal of the battery to achieve energization, and as shown in fig. 11, includes a first positive electrode protrusion 112a and a second positive electrode protrusion 112b formed to extend in a first direction D1 toward the battery case, wherein the first positive electrode protrusion 112a and the second positive electrode protrusion 112b are disposed at intervals in a third direction D3, and the second positive electrode protrusion 112b is closer to the bottom of the battery compartment 101 than the first positive electrode protrusion 112a is in the third direction D3. The conductive metal sheet is configured such that: the first positive electrode protrusion 112a contacts the positive electrode of the AA type battery 1 located in the battery container, the first positive electrode protrusion 112a and the second positive electrode protrusion 112b jointly contact the positive electrode of the AAA type battery 2 located in the battery container, and the first positive electrode protrusion 112a and the second positive electrode protrusion 112b are arranged to be capable of simultaneously adapting to the positive electrodes of the AA type battery 1 and the AAA type battery 2.
Further, the first positive electrode protrusion 112a is closer to the center of the battery can in the first direction D1 than the second positive electrode protrusion 112b is in the first direction D1. Therefore, the first positive electrode bulge 112a can apply a certain acting force to the positive electrode terminal of the AA type battery 1 when the AA type battery 1 is installed, so that falling is avoided, and meanwhile, the first positive electrode bulge 112a and the second positive electrode bulge 112b are matched to play a limiting role to the positive electrode terminal of the AAA type battery 2 when the AAA type battery 2 is installed, so that the AAA type battery 2 is better fixed.
As shown in fig. 12 and 13, the second negative electrode portion 115 is further away from the top of the battery compartment 101 in the third direction D3 than the first negative electrode portion 113, wherein the third direction D3 is parallel to the orientation of the notch of the battery case and perpendicular to the first direction D1 and the second direction D2, the first negative electrode portion 113 is for interfacing with the negative electrode of the AA-type battery 1, and the second negative electrode portion 115 is for interfacing with the negative electrode of the AAA-type battery 2, enhancing the practicality and suitability of the battery charger.
As shown in fig. 1, the battery charger includes a bottom cover 103, the bottom cover 103 being connected to the bottom of the battery compartment 101, a receiving chamber 105 being formed between the bottom cover 103 and the battery compartment 101; the electrical component 110 further includes a circuit board 170, the circuit board 170 is located in the accommodating cavity 105, the positive electrode portion 112, the first negative electrode portion 113 and the second negative electrode portion 115 are all connected to the circuit board 170, and when specifically assembled, the electrical component 110 is first mounted to the battery compartment from the bottom of the battery compartment, and then the bottom cover 103 is mounted, so that accommodating and supporting are formed for the electrical component 110.
The electrical assembly 110 may further include an interface member 120, the interface member 120 being generally disposed at one side of the electrical assembly 110, a notch for allowing the interface member 120 to pass through may be disposed between the battery compartment 101 and the bottom cover 103, so that the interface member 120 may be connected to a corresponding connector, the interface member 120 may be, for example, a USB interface or a Type-C interface, the interface member 120 may be connected to the circuit board 170, the interface member 120 may be used to connect to an external power source, and power the circuit board 170 inside the battery compartment, thereby realizing charging of the battery.
The electrical assembly 110 may further include a charge indicator light 150, the charge indicator light 150 being connected to a circuit board 170, the circuit board 170 being configured to provide power and control for the charge indicator light 150, the charge indicator light 150 being configured to indicate a state of charge for use by a user.
The battery charger may further include a cover 102, where the cover 102 is openably connected to the top of the battery compartment 101, and the cover 102 is easy to mount or dismount the battery when opened, and can protect the battery when closed (e.g., to prevent dust, water, knocks, battery detachment, etc.). The cover 102 may be configured to be light-transmissive, for example, configured as a transparent plastic plate, so that a user can observe the state of the charge indicator light 150; alternatively, as shown in fig. 1, the cover 102 is provided with a first window portion 102a capable of transmitting light, and the first window portion 102a is provided corresponding to the charge indicator lamp 150. As shown in fig. 2 and 14, a second window portion 101k capable of transmitting light is provided on the battery compartment in a position corresponding to the charge indicator lamp 150, and cooperates with the first window portion 102a to facilitate the user's observation of the charge indicator lamp 150.
As shown in fig. 9, the rechargeable battery includes a battery cathode, an insulating ring 1c and a battery anode, the insulating ring 1c is connected between the battery anode and the battery cathode to disconnect the battery anode from the battery cathode, the battery anode is located in the ring of the insulating ring 1c, and the insulating ring 1c protrudes from the outer surface of the battery anode in the length direction of the rechargeable battery. The insulating ring 1c is used for contacting the positive end wall 101c when the battery negative electrode faces the positive end wall 101c so as to prevent the battery negative electrode from contacting the positive electrode part 112, the battery positive electrode comprises a positive electrode post 1a used for contacting the positive electrode part 112, the battery negative electrode comprises a negative electrode plate 1b used for contacting the first negative electrode part 113 and the second negative electrode part 115, and the insulating ring 1c arranged on the battery contacts the positive end wall 101c when the battery is reversely connected so as to avoid damage to the battery caused by electrifying. The rechargeable battery and the battery charger provided by the utility model can prevent the battery from being damaged after the battery is reversely installed and electrified, and the battery charger and the rechargeable battery together form a more stable and safer battery charging system.
In the example of fig. 1-8, the battery charger also includes a light guide 104. The light guide 104 is provided corresponding to the first negative electrode portion 113 and the second negative electrode portion 115. For some batteries with the negative electrode capable of emitting light in the charging state, the light guide 104 can penetrate through the light emitted by the negative electrode of the battery, so that the light emitting area is enlarged, the user can observe the charging state of the battery conveniently, and whether the battery is reversely connected can be judged according to the light emitting area.
Referring to fig. 14, the battery compartment 101 is provided at the top of both ends in the second direction D2 with a taking and placing avoiding groove 101m. In a plane perpendicular to the second direction D2, the projection of the pick-and-place avoiding groove 101m overlaps the first groove portion 101a and the second groove portion 101b. The orientation of the notch of the pick-and-place avoiding groove 101m is the same as the orientation of the notch of the first groove portion 101 a. The provision of the taking-out and putting-in avoiding groove 101m can facilitate the user to take out the battery located in the first groove portion 101a or the second groove portion 101b.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.
The present utility model has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed.
Claims (10)
1. A battery charger, the battery charger comprising:
The battery compartment is provided with a battery groove extending along a first direction, the battery groove is used for selectively accommodating one of an AA type battery and an AAA type battery, the battery compartment comprises a positive end wall corresponding to the end part of the battery groove, the positive end wall is provided with a positive groove, the notch of the positive groove faces the battery groove along the first direction, the size of the positive groove along a second direction is larger than 5mm and smaller than 10mm, and the first direction is perpendicular to the second direction; and
The electrical assembly comprises a positive electrode part, wherein the positive electrode part is positioned in the positive electrode groove, and the positive electrode part does not exceed the surface of the positive electrode end wall, which faces the battery groove along the first direction.
2. A battery charger as defined in claim 1, wherein,
The battery compartment has a top and a bottom opposite in a third direction, the battery compartment being located at the top of the battery compartment, the third direction being parallel to the orientation of the slots of the battery compartment and perpendicular to the first and second directions;
The size of the positive electrode groove along the second direction increases in a direction parallel to the third direction and away from the notch of the battery jar.
3. A battery charger as defined in claim 2, wherein,
The positive electrode groove penetrates a bottom of the battery compartment in the third direction to allow the positive electrode portion to move in and out of the positive electrode groove.
4. A battery charger as defined in claim 2, wherein,
The positive electrode portion is configured as a conductive metal sheet including a first positive electrode protrusion and a second positive electrode protrusion formed to extend in the first direction toward the battery jar, the first positive electrode protrusion and the second positive electrode protrusion being disposed at an interval in the third direction, and the second positive electrode protrusion being closer to the bottom of the battery compartment than the first positive electrode protrusion in the third direction, the conductive metal sheet being configured such that:
The first positive electrode bulge contacts with the positive electrode of the AA type battery in the battery groove, and the first positive electrode bulge and the second positive electrode bulge jointly contact with the positive electrode of the AAA type battery in the battery groove.
5. A battery charger as defined in claim 4, wherein,
The first positive electrode protrusion is closer to a center of the battery container in the first direction than the second positive electrode protrusion is in the first direction.
6. A battery charger as claimed in any one of claims 2 to 5, wherein,
The battery charger further comprises a bottom cover, wherein the bottom cover is connected to the bottom of the battery compartment, and a containing cavity is formed between the bottom cover and the battery compartment;
The electrical assembly further includes a circuit board located in the receiving cavity, the positive portion being connected to the circuit board.
7. The battery charger of claim 6 wherein the battery charger is configured to receive the battery charger,
The electrical assembly also includes an interface member connected to the circuit board, the interface member configured to connect to an external power source.
8. The battery charger of claim 6 wherein the battery charger is configured to receive the battery charger,
The electrical assembly further includes a charge indicator light connected to the circuit board;
The battery charger further comprises a cover that is openably connected to the top of the battery compartment, wherein
The surface cover is constructed to be light-permeable; or alternatively
The surface cover comprises a first window part capable of transmitting light, and the first window part is arranged corresponding to the charging indicator lamp.
9. A battery charger as claimed in any one of claims 2 to 5, wherein,
The battery groove comprises a first groove part used for accommodating an AA type battery and a second groove part used for accommodating an AAA type battery, the second groove part is positioned inside the first groove part,
The first groove part and the second groove part share the same positive electrode part, the electrical assembly further comprises a first negative electrode part and a second negative electrode part, the first negative electrode part is correspondingly arranged at the end part of the first groove part far away from the positive electrode part, the second negative electrode part is correspondingly arranged at the end part of the second groove part far away from the positive electrode part, and the second negative electrode part is far away from the top of the battery compartment in a third direction than the first negative electrode part.
10. A battery charging system, the battery charging system comprising:
the battery charger according to any one of claims 1 to 9; and
The rechargeable battery comprises a battery anode, an insulating ring and a battery cathode, wherein the insulating ring is connected between the battery cathode and the battery anode so as to disconnect the battery cathode and the battery anode, the battery cathode is positioned in the ring of the insulating ring, the insulating ring protrudes out of the outer surface of the battery cathode in the length direction of the rechargeable battery, and the insulating ring is used for contacting the end wall of the anode when the battery cathode faces the end wall of the anode so as to prevent the battery cathode from contacting the anode part, and the battery anode comprises an anode post used for contacting the anode part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420042757.6U CN221552880U (en) | 2024-01-08 | 2024-01-08 | Battery charger and battery charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420042757.6U CN221552880U (en) | 2024-01-08 | 2024-01-08 | Battery charger and battery charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221552880U true CN221552880U (en) | 2024-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420042757.6U Active CN221552880U (en) | 2024-01-08 | 2024-01-08 | Battery charger and battery charging system |
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| Country | Link |
|---|---|
| CN (1) | CN221552880U (en) |
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- 2024-01-08 CN CN202420042757.6U patent/CN221552880U/en active Active
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