Charging equipment and charging structure

Abstract

The utility model provides a charging device and a charging structure. The charging device comprises a power supply, a switch assembly, a first power supply terminal, a detection terminal and a silent terminal. The switch assembly is configured to conduct the positive electrode of the power supply and the first power supply terminal when the detection terminal and the silent terminal are conducted. The charging structure comprises a charging device and an electric device, the electric device comprises a first positive input terminal, a first negative input terminal and a second negative input terminal, the first positive input terminal is configured to be suitable for being connected with a first power supply terminal, and the first negative input terminal is coupled with the second negative input terminal. The first negative input terminal is configured to be adapted to engage the detection terminal, and the second negative input terminal is configured to be adapted to engage the silence terminal. Wherein when the charging equipment is not connected with the electric equipment, the positive pole of the power supply is disconnected with the power supply terminal, and even if metal foreign matters are adsorbed on the charging equipment, the short circuit condition is not easy to occur.

Description

Technical Field

[0001] The utility model generally relates to the field of charging technology, in particular to a charging device and a charging structure. Background Art

[0002] At present, magnetic charging bases are increasingly used in smart mobile devices (smart screens, smart speakers, etc.). Magnetic charging bases are a charging device that combines magnetic fixation and physical terminal connection. They use magnets to firmly attach the device to the charging base, while using terminal docking to ensure the accuracy and efficiency of power transmission, providing users with a convenient charging experience.

[0003] At present, there is a major disadvantage of the magnetic charging base: the magnet may attract metal foreign objects. If these metal foreign objects come into contact with the terminals of the magnetic charging base, it is easy to cause a short circuit. This not only weakens the reliability of the magnetic charging base, but also brings certain safety hazards.

[0004] The contents of the background technology section are merely the technologies known to the inventors and do not necessarily represent the prior art in the field. Utility Model Content

[0005] In view of one or more defects in the prior art, the utility model provides a charging device, including:

[0006] A power source, including a positive pole and a negative pole;

[0007] A switch assembly coupled to the positive electrode of the power source;

[0008] A first power supply terminal coupled to the switch assembly; and

[0009] A detection terminal coupled to the switch assembly;

[0010] A silent terminal coupled to the negative electrode of the power supply;

[0011] Wherein, the switch component is configured to conduct the positive electrode of the power supply and the first power supply terminal when the detection terminal and the silent terminal are conducted.

[0012] According to one aspect of the utility model, the switch component includes a resistor and a field effect transistor, wherein the resistor is coupled between the positive electrode of the power supply and the detection terminal, the source of the field effect transistor is coupled to the positive electrode of the power supply, the drain of the field effect transistor is coupled to the first power supply terminal, and the gate of the field effect transistor is coupled to the detection terminal.

[0013] According to one aspect of the utility model, the switch assembly is a relay, which includes:

[0014] a switch terminal coupled between the positive electrode of the power source and the first power supply terminal; and

[0015] A control terminal coupled between the positive electrode of the power supply and the detection terminal,

[0016] When the detection terminal is connected to the silent terminal, the control terminal controls the switch terminal to close, so that the switch terminal connects the positive electrode of the power supply to the first power supply terminal.

[0017] According to one aspect of the utility model, the charging device further includes a second power supply terminal, wherein the second power supply terminal is coupled to the first power supply terminal.

[0018] According to one aspect of the utility model, the charging device also includes a charging base, and the first power supply terminal, the detection terminal, the silent terminal and the second power supply terminal are arranged in sequence on the charging base along a first direction.

[0019] The utility model also provides a charging structure, comprising:

[0020] A charging device, comprising a power supply, a switch component, a first power supply terminal, a detection terminal and a silent terminal, wherein the silent terminal is coupled to the negative electrode of the power supply, the switch component is coupled to the positive electrode of the power supply, the first power supply terminal and the detection terminal respectively, and the switch component is configured to conduct the positive electrode of the power supply with the first power supply terminal when the detection terminal is conducted with the silent terminal; and

[0021] An electrical device includes a first positive input terminal, a first negative input terminal, and a second negative input terminal, wherein the first positive input terminal is configured to be suitable for engaging with the first power supply terminal, the first negative input terminal and the second negative input terminal are coupled, the first negative input terminal is configured to be suitable for engaging with the detection terminal, and the second negative input terminal is configured to be suitable for engaging with the silent terminal.

[0022] According to one aspect of the utility model, the switch component includes a resistor and a field effect transistor, wherein the resistor is coupled between the power supply and the detection terminal, the source of the field effect transistor is coupled to the power supply, the drain of the field effect transistor is coupled to the first power supply terminal, and the gate of the field effect transistor is coupled to the detection terminal.

[0023] According to one aspect of the utility model, the switch assembly is a relay, which includes:

[0024] a switch terminal coupled between the positive electrode of the power source and the first power supply terminal; and

[0025] A control terminal coupled between the positive electrode of the power supply and the detection terminal;

[0026] Wherein, when the detection terminal is connected to the silent terminal, the control terminal controls the switch terminal to be closed, so that the switch terminal connects the positive electrode of the power supply and the first power supply terminal.

[0027] According to one aspect of the utility model, the charging device further includes a second power supply terminal, wherein the second power supply terminal is coupled to the first power supply terminal;

[0028] The powered device further includes a second positive input terminal, wherein the second positive input terminal is coupled to the first positive input terminal, and the second positive input terminal is configured to be suitable for engaging the second power supply terminal.

[0029] According to one aspect of the utility model, the charging device further comprises a charging base, and the first power supply terminal, the detection terminal, the silent terminal and the second power supply terminal are sequentially arranged on the charging base along a first direction;

[0030] The electrical device further comprises a charging interface, wherein the first positive input terminal, the first negative input terminal, the second negative input terminal and the second positive input terminal are arranged in sequence along the second direction;

[0031] The first positive input terminal is further configured to engage with the second power supply terminal, the first negative input terminal is further configured to engage with the silent terminal, the second negative input terminal is further configured to engage with the detection terminal, and the second positive input terminal is further configured to engage with the first power supply terminal.

[0032] Compared with the prior art, the embodiments of the utility model provide a charging device and a charging structure. When the charging device is not connected to the power-consuming device, the positive pole of the power supply is disconnected from the power supply terminal. Even if metal foreign matter is adsorbed on the charging device, short circuit is not likely to occur. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0034] Figure 1 A schematic diagram of a charging structure according to an embodiment of the utility model is shown;

[0035] Figure 2 A schematic diagram showing a charging device and an electric device according to an embodiment of the utility model is shown;

[0036] Figure 3A schematic diagram of a charging structure according to another embodiment of the utility model is shown. DETAILED DESCRIPTION

[0037] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0038] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0039] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0040] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is lower in level than the second feature.

[0041] The disclosure below provides many different embodiments or examples for realizing different structures of the utility model. In order to simplify the disclosure of the utility model, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the utility model. In addition, the utility model may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the utility model provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0042] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0043] Figure 1 A schematic diagram of a charging structure 100 according to an embodiment of the present utility model is shown below. Figure 1 Describe in detail.

[0044] like Figure 1As shown, the charging structure 100 includes a charging device 110 and an electric device 120, wherein the charging device 110 is used to charge the electric device 120, and the electric device 120 can be a mobile device such as a smart screen and a smart speaker. The charging device 110 includes a power supply 111, a switch component 112, a first power supply terminal 113, a detection terminal 114 and a silent terminal 116, wherein the power supply 111 can provide a stable voltage, and the power supply 111 has a positive pole and a negative pole. The switch component 112 is coupled to the positive pole of the power supply 111, the first power supply terminal 113, and the detection terminal 114, respectively, and the silent terminal 116 is coupled to the negative pole of the power supply 111, wherein the switch component 112 is configured to conduct the positive pole of the power supply 111 and the first power supply terminal 113 when the detection terminal 114 and the silent terminal 116 are conducted. The electrical device 120 includes a first positive input terminal 121, a first negative input terminal 122 and a second negative input terminal 124, wherein the first positive input terminal 121 serves as the positive input terminal of the electrical device 120 and is configured to be suitable for engaging (docking) with the first power supply terminal 113 in the charging device 110; the first negative input terminal 122 and the second negative terminal 124 are coupled respectively and serve as the negative input terminal of the electrical device 120, the first negative input terminal 122 is configured to be suitable for engaging with the detection terminal 114 in the charging device 110, and the second negative terminal 124 is configured to be suitable for engaging with the silent terminal 116 in the charging device 110. In the charging device 110, the silent terminal 116, the detection terminal 114 and the switch component 112 can detect whether the charging device 110 is connected to the power device 120. When the charging device 110 is connected to the power device 120, the first power supply terminal 113 is connected to the first positive input terminal 121, the detection terminal 114 is connected to the first negative input terminal 122, the silent terminal 116 is connected to the second negative terminal 124, the detection terminal 114 is connected to the silent terminal 116, the switch component 112 connects the positive pole of the power source 111 to the first power supply terminal 113, and the charging device 110 supplies power (charges) to the power device 120. When the charging device 110 is not connected to the power device 120, the positive pole of the power source 111 is disconnected from the first power supply terminal 113, and even if metal foreign matter is adsorbed on the charging device 110, short circuit is not likely to occur.

[0045] According to one embodiment of the utility model, Figure 1As shown, the charging device 110 may further include a second power supply terminal 115, wherein the second power supply terminal 115 is coupled to the first power supply terminal 113, and when the switch component 112 conducts the positive pole of the power source 111 and the first power supply terminal 113, the current can flow not only to the first power supply terminal 113, but also to the second power supply terminal 115, and the first power supply terminal 113 and the second power supply terminal 115 can supply power to the outside at the same time. The power-consuming device 120 may further include a second positive input terminal 123, wherein the first positive input terminal 121 is coupled to the second positive input terminal 123, and the second positive input terminal 123 is suitable for engaging the second power supply terminal 115. By providing the second power supply terminal 115 in the charging device 110 and providing the corresponding second positive input terminal 123 in the power-consuming device 120, the power transmission between the charging device 110 and the power-consuming device 120 can be made more stable.

[0046] Figure 2 A schematic diagram of a charging device 110 and a power-consuming device 120 according to an embodiment of the present utility model is shown. Figure 1 and Figure 2 As shown, the charging device 110 also includes a charging seat 117, and the first power supply terminal 113, the detection terminal 114, the silent terminal 116 and the second power supply terminal 115 are arranged on the charging seat 117 in sequence at a first interval along the first direction. The power-consuming device 120 also includes a charging interface 125, and the first positive input terminal 121, the first negative input terminal 122, the second negative input terminal 124 and the second positive input terminal 123 are arranged in sequence at a second interval along the second direction. Among them, the first interval is equal to the second interval, the first positive input terminal 121 is also configured to be suitable for engaging the second power supply terminal 115, the first negative input terminal 122 is also configured to be suitable for engaging the silent terminal 116, the second negative input terminal 124 is also configured to be suitable for engaging the detection terminal 114, and the second positive input terminal 123 is also configured to be suitable for engaging the first power supply terminal 113. With this design, no matter whether the charging interface 125 is inserted into the charging seat 117 in the forward or reverse direction, the charging device 110 can supply power to the power-consuming device 120, which significantly improves the convenience of charging, allowing users to enjoy a fast and stable charging experience without worrying about the insertion direction. Of course, the first power supply terminal 113, the detection terminal 114, the silent terminal 116 and the second power supply terminal 115, as well as the first positive input terminal 121, the first negative input terminal 122, the second negative input terminal 124 and the second positive input terminal 123 can also be arranged in other ways, and the utility model does not set specific restrictions on the arrangement of these terminals.

[0047] According to one embodiment of the utility model, Figure 1As shown, the switch component 112 may include a resistor R1 and a field effect transistor 1122, wherein the resistor R1 is coupled between the positive electrode of the power supply 111 and the detection terminal 114, the source S of the field effect transistor 1122 is coupled to the positive electrode of the power supply 111, the drain D is coupled to the first power supply terminal 113 and the second power supply terminal 115, and the gate G is coupled to the detection terminal 114. When the charging device 110 is connected to the power-consuming device 120, the detection terminal 114 is connected to the first negative input terminal 122, the silent terminal 116 is connected to the second negative input terminal 124, and the source S and drain D of the field effect transistor 1122 are turned on, thereby turning on the positive electrode of the power supply 111 and the first power supply terminal 113 and the second power supply terminal 115, and the first power supply terminal 113 and the second power supply terminal 115 supply power to the power-consuming device 120 through the first positive input terminal 121 and the second positive input terminal 123.

[0048] Figure 3 A schematic diagram of a charging structure 200 according to another embodiment of the present utility model is shown. Figure 3 As shown, the charging structure 200 is basically the same as the charging structure 100, and the difference between the two is that: in the charging structure 200, the switch component 112 adopts a relay, which has a switch end 1123 and a control end 1125, wherein the switch end 1123 is coupled between the positive pole of the power supply 111 and the first power supply terminal 113 and the second power supply terminal 115, and the switch end 1123 is in a normally open state. In this state, there is no conduction between the power supply 111 and the first power supply terminal 113 and the second power supply terminal 115. The control terminal 1125 is coupled between the positive pole of the power supply 111 and the detection terminal 114. When the charging device 110 is connected to the power-consuming device 120, the detection terminal 114 is connected to the first negative input terminal 122, and the silent terminal 116 is connected to the second negative input terminal 124. The control terminal 1125 controls the switch terminal 1123 to close, thereby connecting the positive pole of the power supply 111 to the first power supply terminal 113 and the second power supply terminal 115. The first power supply terminal 113 and the second power supply terminal 115 supply power to the power-consuming device 120 through the first positive input terminal 121 and the second positive input terminal 123.

[0049] Compared with the prior art, the embodiment of the utility model provides a charging structure 100. When the charging device 110 is not connected to the power-consuming device 120, the power supply 111 of the charging device 110 is disconnected from the power supply terminals (the first power supply terminal 113 and the second power supply terminal 115). Even if metal foreign matter is adsorbed on the charging device 110, a short circuit is not likely to occur.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A charging device, characterized in that: include: A power source, including a positive pole and a negative pole; A switch assembly coupled to the positive electrode of the power source; A first power supply terminal coupled to the switch assembly; and A detection terminal coupled to the switch assembly; A silent terminal coupled to the negative electrode of the power supply; Wherein, the switch component is configured to conduct the positive electrode of the power supply and the first power supply terminal when the detection terminal and the silent terminal are conducted.

2. The charging device according to claim 1, characterized in that: The switch component includes a resistor and a field effect transistor, wherein the resistor is coupled between the positive electrode of the power supply and the detection terminal, the source of the field effect transistor is coupled to the positive electrode of the power supply, the drain of the field effect transistor is coupled to the first power supply terminal, and the gate of the field effect transistor is coupled to the detection terminal.

3. The charging device according to claim 1, characterized in that: The switch assembly is a relay, which includes: a switch terminal coupled between the positive electrode of the power source and the first power supply terminal; and A control terminal coupled between the positive electrode of the power supply and the detection terminal, When the detection terminal is connected to the silent terminal, the control terminal controls the switch terminal to close, so that the switch terminal connects the positive electrode of the power supply to the first power supply terminal.

4. The charging device according to any one of claims 1 to 3, characterized in that: The charging device further includes a second power supply terminal, wherein the second power supply terminal is coupled to the first power supply terminal.

5. The charging device according to claim 4, characterized in that: The charging device further includes a charging base, and the first power supply terminal, the detection terminal, the silent terminal and the second power supply terminal are sequentially arranged on the charging base along a first direction.

6. A charging structure, characterized in that: include: A charging device, comprising a power supply, a switch component, a first power supply terminal, a detection terminal and a silent terminal, wherein the silent terminal is coupled to the negative electrode of the power supply, the switch component is coupled to the positive electrode of the power supply, the first power supply terminal and the detection terminal respectively, and the switch component is configured to conduct the positive electrode of the power supply with the first power supply terminal when the detection terminal is conducted with the silent terminal; and An electrical device includes a first positive input terminal, a first negative input terminal, and a second negative input terminal, wherein the first positive input terminal is configured to be suitable for engaging with the first power supply terminal, the first negative input terminal and the second negative input terminal are coupled, the first negative input terminal is configured to be suitable for engaging with the detection terminal, and the second negative input terminal is configured to be suitable for engaging with the silent terminal.

7. The charging structure according to claim 6, characterized in that: The switch component includes a resistor and a field effect transistor, wherein the resistor is coupled between the power supply and the detection terminal, the source of the field effect transistor is coupled to the power supply, the drain of the field effect transistor is coupled to the first power supply terminal, and the gate of the field effect transistor is coupled to the detection terminal.

8. The charging structure according to claim 6, characterized in that: The switch assembly is a relay, which includes: a switch terminal coupled between the positive electrode of the power source and the first power supply terminal; and A control terminal coupled between the positive electrode of the power supply and the detection terminal; Wherein, when the detection terminal is connected to the silent terminal, the control terminal controls the switch terminal to be closed, so that the switch terminal connects the positive electrode of the power supply and the first power supply terminal.

9. The charging structure according to any one of claims 6 to 8, characterized in that: The charging device further comprises a second power supply terminal, wherein the second power supply terminal is coupled to the first power supply terminal; The powered device further includes a second positive input terminal, wherein the second positive input terminal is coupled to the first positive input terminal, and the second positive input terminal is configured to be suitable for engaging the second power supply terminal.

10. The charging structure according to claim 9, characterized in that: The charging device further comprises a charging seat, wherein the first power supply terminal, the detection terminal, the silent terminal and the second power supply terminal are sequentially arranged on the charging seat along a first direction; The electrical device further comprises a charging interface, wherein the first positive input terminal, the first negative input terminal, the second negative input terminal and the second positive input terminal are arranged in sequence along the second direction; The first positive input terminal is further configured to engage with the second power supply terminal, the first negative input terminal is further configured to engage with the silent terminal, the second negative input terminal is further configured to engage with the detection terminal, and the second positive input terminal is further configured to engage with the first power supply terminal.

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