CN210350180U - Charging plug and charger of charger - Google Patents

Charging plug and charger of charger Download PDF

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Publication number
CN210350180U
CN210350180U CN201821768778.7U CN201821768778U CN210350180U CN 210350180 U CN210350180 U CN 210350180U CN 201821768778 U CN201821768778 U CN 201821768778U CN 210350180 U CN210350180 U CN 210350180U
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China
Prior art keywords
circuit
input
output
charging
charger
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CN201821768778.7U
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Chinese (zh)
Inventor
胡伟民
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Shenzhen Divi Electronic Co ltd
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Shenzhen Divi Electronic Co ltd
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Priority to CN201821768778.7U priority Critical patent/CN210350180U/en
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Abstract

The utility model discloses a charging plug and charger of charger. The charging plug comprises a shell, a light sensing device, a charging circuit, an indicator light and a light sensing circuit; the charging circuit and the light sensation circuit are arranged in the shell and connected with the light sensation circuit, and the indicator light and the light sensation device are respectively fixed on the shell and respectively connected with the light sensation circuit. In this scheme, set up light sense device and light sense circuit in the charging plug for the luminance of pilot lamp can follow environment automatically regulated.

Description

Charging plug and charger of charger
Technical Field
The utility model relates to an electronic components technical field especially relates to a charging plug and charger of charger.
Background
The charger is used for charging mobile phones, computers, IPADs and the like. With the increasing popularization of electronic mobile devices, charging is widely used in our daily life. The charger comprises a charger plug, and the charger plug is a connector for connecting a power socket and an active device.
The charger plug is provided with an indicator light for indicating whether the charging plug is electrified with the socket. The applicant finds that the brightness of the indicator lamp is generally fixed, and the indicator lamp is dazzling in dark places or at night, so that the user experience is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a charging plug and charger of charger that use experience preferred are provided.
In order to achieve the purpose, the utility model discloses a charging plug of a charger, which comprises a shell, a light sensation device, a charging circuit, an indicator light and a light sensation circuit; the charging circuit and the light sensation circuit are arranged in the shell and connected with the light sensation circuit, and the indicator light and the light sensation device are respectively fixed on the shell and respectively connected with the light sensation circuit.
Optionally, the charging plug further includes a conducting strip for inputting a power supply current, and an output interface for outputting a charging current; the charging circuit comprises a conversion circuit, and the conversion circuit comprises an input protection circuit, a first rectifying and filtering circuit, a voltage transformation circuit, a second rectifying and filtering circuit and a USB identification circuit; the input end of the input protection circuit is connected with the conducting strip, and the output end of the input protection circuit is connected with the input end of the first rectifying and filtering circuit; the output end of the first rectifying and filtering circuit is connected with the input end of the voltage transformation circuit; the output end of the voltage transformation circuit is connected with the input end of the second rectification filter circuit; the output end of the second rectifying and filtering circuit is connected with the input end connected with the USB identification circuit; and the output end of the USB identification circuit is connected with the output interface.
Optionally, the charging circuit includes a conversion circuit and an auxiliary circuit; the conversion circuit comprises a voltage transformation circuit; the auxiliary circuit comprises an auxiliary power supply circuit, a PWM circuit and an overcurrent protection circuit; the input end of the auxiliary power supply circuit is connected with the voltage transformation circuit, and the output end of the auxiliary power supply circuit is connected with the input end of the PWM circuit; the output end of the PWM circuit is connected with the voltage transformation circuit; the input end of the over-current protection circuit is connected with the voltage transformation circuit, and the output end of the over-current protection circuit is connected with the input end of the PWM circuit.
Optionally, the voltage transformation circuit includes a high-voltage winding, a low-voltage winding, an output winding, and a high-frequency switch; the high-voltage winding is connected with the output end of the first rectifying and filtering circuit; the low-voltage winding is connected with the input end of the second rectifying filter; the high-frequency switch is arranged on a circuit between the low-voltage winding and the second rectifying filter; the charging circuit comprises an auxiliary circuit, the auxiliary circuit comprises an auxiliary power supply circuit, and the output winding is connected with the input end of the auxiliary power supply circuit.
Optionally, the auxiliary power supply circuit includes a power supply circuit and an overvoltage protection circuit; the input end of the power supply circuit is connected with the voltage transformation circuit, and the output end of the power supply circuit is connected with the input end of the PWM circuit; the overvoltage protection circuit is connected with the power supply circuit.
Optionally, an input end of the light sensing circuit is connected to an output end of the second rectifying and filtering circuit; the output end of the light sensing circuit is connected with the indicator light; the light sensing device is connected with the input end of the light sensing circuit.
Optionally, the charging plug further includes a conducting strip for inputting a power supply current, and an output interface for outputting a charging current; the conducting strip is connected with the input end of the charging circuit; the conducting strip is arranged at one end of the shell, and the output interface, the indicating lamp and the light sensation device are arranged at the other end of the shell.
Optionally, the light sensing device and the indicator light are arranged at the same end.
Optionally, the number of the output interfaces is at least two.
Optionally, one end of the housing where the output interface is located includes a first end face and a second end face; the first end surface is higher than the second end surface.
Optionally, the conductive sheet may rotate, one end of the housing where the conductive sheet is located is a third end face, the third end face is provided with a storage groove, and the storage groove is located corresponding to the conductive sheet; the conducting strip is accommodated in the accommodating groove after rotating.
Optionally, one end of the conducting strip connected with the charging circuit is an inner end, and the other end of the conducting strip is an outer end; the surface of the shell, which is perpendicular to the accommodating groove and far away from the outer end, is a first side surface; an avoidance groove is formed in the first side face at the intersection of the first side face and the third end face, and the bottom of the avoidance groove is lower than that of the first side face; the conducting strip is accommodated after the accommodating groove, the outer end protrudes out of the avoiding groove.
The utility model also discloses a charger, charger includes above-mentioned charging plug and power cord, power cord one end with charging plug connects, the other end and treats that charging equipment is connected and charges.
The applicant finds that the indication brightness of the charging plug is generally fixed, and the charging plug is dazzling in a dark place or at night, so that the user experience is poor. In this scheme, set up light sense device and light sense circuit in the charging plug for the luminance of pilot lamp can follow environment automatically regulated, for example, in brighter environment, the luminance of pilot lamp is brighter, in darker environment, the luminance of pilot lamp is darker.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic view of a charging plug according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another charging plug according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a charging circuit according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a charging device according to another embodiment of the present invention.
Wherein, 1, a shell; 11. a first end face; 12. a second end face; 13. a third end face; 131. A receiving groove; 14. a first side surface; 141. an avoidance groove; 2. a conductive sheet; 21. an inner end; 22. an outer end; 3. an output interface; 4. an indicator light; 5. a light sensing device; 6. an enable circuit; 61. a conversion circuit; 611. an input protection circuit; 612. a first rectifying and filtering circuit; 613. a voltage transformation circuit; 6131. a high voltage winding; 6132. an output winding; 6133. a low voltage winding; 6134. a high-frequency switch; 614. a second rectifying and filtering circuit; 615. a USB identification circuit; 62. an auxiliary circuit; 621. an auxiliary power supply circuit; 6211. a power supply circuit; 6212. an overvoltage protection circuit; 622. a PWM circuit; 623. an overcurrent protection circuit; 7. a light sensing circuit; 8. a charger; 9. A power line; 10. and a charging plug.
Detailed Description
It is to be understood that the terminology, the specific structural and functional details disclosed herein are for the purpose of describing particular embodiments only, and are representative, but that the present application may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or as implicitly indicating the number of technical features indicated. Thus, unless otherwise specified, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "plurality" means two or more. The terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that one or more other features, integers, steps, operations, elements, components, and/or combinations thereof may be present or added.
Further, terms of orientation or positional relationship indicated by "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are described based on the orientation or relative positional relationship shown in the drawings, are simply for convenience of description of the present application, and do not indicate that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, fixed connections, removable connections, and integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The charger is used for charging mobile phones, computers, IPADs and the like. With the increasing popularization of electronic mobile devices, charging is widely used in our daily life. The charger 8 includes a charger plug, which is a connector for connecting a power socket and an active device. The charger plug is provided with an indicator light for indicating whether the charging plug is electrified with the socket. The applicant finds that the brightness of the indicator lamp is generally fixed, and the indicator lamp is dazzling in dark places or at night, so that the user experience is poor.
The invention will be further described with reference to the drawings and alternative embodiments.
As shown in fig. 1 to 4, an embodiment of the present invention discloses a charging plug of a charger, where the charging plug 10 includes a housing 1, a light sensing device 5, a charging circuit 6, and a light sensing circuit 7; the charging circuit 6 and the light sensing circuit 7 are arranged in the shell 1, the charging circuit 6 is connected with the light sensing circuit 7, and the indicator light 4 and the light sensing device 5 are respectively fixed on the shell 1 and are respectively connected with the light sensing circuit 7.
The applicant finds that the brightness of the indication of the charging plug 10 is generally constant, and is more dazzling in dark places or at night, and the user experience is poor. In this scheme, set up light sense device 5 and light sense circuit 7 in allowing plug 10 for the luminance of pilot lamp 4 can follow environment automatically regulated, say so, in brighter environment, the luminance of pilot lamp 4 is brighter, in darker environment, the luminance of pilot lamp 4 is darker.
Optionally in this embodiment, the charging circuit 6 includes a conversion circuit 61, and the conversion circuit 61 includes an input protection circuit 611, a first rectifying and filtering circuit 612, a voltage transformation circuit 613, a second rectifying and filtering circuit 614, and a USB identification circuit 615; the input end of the input protection circuit 611 is connected with the conducting strip 2, and the output end is connected with the input end of the first rectifying and filtering circuit 612; the output end of the first rectifying and filtering circuit 612 is connected to the input end of the voltage transformation circuit 613; the output end of the voltage transformation circuit 613 is connected with the input end of the second rectifying and filtering circuit 614; the output end of the second rectifying and filtering circuit 614 is connected with the input end connected with the USB identification circuit 615; the output end of the USB identification circuit 615 is connected to the output interface 3.
In the scheme, the input protection circuit 611 has overcurrent, overvoltage protection and current limiting functions on the alternating current input by the conducting strip 2; the first rectifying and smoothing circuit 612 converts the input ac power into a constant dc power; the voltage transformation circuit 613 transforms the input voltage into a voltage suitable for charging the device to be charged; the second rectifying and smoothing circuit 614 makes the current converted by the transforming circuit 613 further constant; the USB identification circuit 615 causes the output interface 3 to charge the device to be charged with the maximum charging current of the device to be charged.
In an optional embodiment, the charging circuit 6 includes a conversion circuit 61 and an auxiliary circuit 62, where the auxiliary circuit 62 includes an auxiliary power supply circuit 621, a Pulse Width Modulation (PWM) circuit, and an overcurrent protection circuit 623; the input end of the auxiliary power supply circuit 621 is connected to the voltage transformation circuit 613, and the output end is connected to the input end of the PWM circuit 622; the output terminal of the PWM circuit 622 is connected to the voltage transformation circuit 613; the input terminal of the over-current protection circuit 623 is connected to the transformer circuit 613, and the output terminal thereof is connected to the input terminal of the PWM circuit 622.
In this scheme, the auxiliary power supply circuit 621 supplies power to the PWM circuit 622, so that the PWM operates normally; the PWM controls the voltage transformation circuit 613, so that the voltage transformation circuit 613 operates normally; the overcurrent protection circuit 623 samples the current of the transformer 613 and feeds the current back to the PWM circuit 622, and the PWM circuit 622 controls the transformer 613 according to the feedback.
In this embodiment, optionally, the voltage transformation circuit 613 includes a high-voltage winding 6131, a low-voltage winding 6133, an output winding 6132, and a high-frequency switch 6314; the high-voltage winding 6131 is connected with the output end of the first rectifying and filtering circuit 612; the low-voltage winding 6133 is connected with the input end of the second rectifying filter; the high-frequency switch 6134 is arranged on a circuit between the low-voltage winding 6133 and the second rectifying filter; the output winding 6132 is connected to the input of the auxiliary power supply circuit 621.
In the scheme, the voltage transformation circuit 613 converts the input voltage into a voltage suitable for charging the device to be charged through the high-voltage winding 6131 and the low-voltage winding 6133; output winding 6132 supplies power to auxiliary power supply circuit 621; the PWM controls the on/off frequency of the high frequency switch, so that the voltage transformation circuit 613 operates normally.
In an optional embodiment, the auxiliary power supply circuit 621 includes a power supply circuit 6211 and an overvoltage protection circuit 6212; the input end of the power supply circuit 6211 is connected to the voltage transformation circuit 613, and the output end is connected to the input end of the PWM circuit 622; the overvoltage protection circuit 6212 is connected to the power supply circuit 6211.
In this scheme, the auxiliary power supply circuit 621 is provided with an overvoltage protection circuit 6212, so that the auxiliary power supply circuit 621 stably supplies power to the PWM circuit 622 to protect the PWM circuit 622.
In an optional embodiment, an input end of the light sensing circuit 7 is connected to an output end of the second rectifying and filtering circuit 614; the output end of the light sensing circuit 7 is connected with the indicator lamp 4; the light sensing device 5 is connected with the input end of the light sensing circuit 7.
In this scheme, light sense circuit 7 and light sense device 5 make the luminance of pilot lamp 4 can be according to ambient brightness automatically regulated, and in brighter environment, the luminance of pilot lamp 4 is brighter, and in darker environment, the luminance of pilot lamp 4 is darker.
In this embodiment, optionally, the charging plug 10 further includes a conducting strip 2 for inputting a power supply current, and an output interface 3 for outputting a charging current; the conducting strip 2 is connected with the input end of the charging circuit 6; the conducting strip 2 is arranged at one end of the shell 1, and the output interface 3, the indicator light 4 and the light sensation device 5 are arranged at the other end of the shell 1.
In this scheme, conducting strip 2 sets up with output interface 3, pilot lamp 4 relatively, respectively at the one end and the other end of shell 1, after charging plug 10 inserted the socket, output interface 3, pilot lamp 4 up are established on the looks proximal surface for conducting strip 2 and output interface 3, pilot lamp 4, and it is more convenient that the user observes pilot lamp 4, and it is more convenient that the data line inserts in output interface 3.
In an optional embodiment, the light sensing device 5 and the indicator light 4 are disposed at the same end.
In this scheme, after charging plug 10 inserted the socket, the light of charging plug 10 side can be darker than actual environment light, and light sense device 5 is established with pilot lamp 4 at same one end, and light sense device 5 is up, establishes on the side for light sense device 5, more is close the luminance of environment light, and light sense device 5 response result is more accurate, and 4 luminance display of pilot lamp are more close actual environment luminance.
In this embodiment, at least two output interfaces 3 are optional.
In this scheme, output interface 3 is two at least, can charge for a plurality of electrical equipment of treating allowing simultaneously, improves charging plug 10's utilization ratio.
In an optional embodiment, one end of the housing 1 where the output interface 3 is located includes a first end face 11 and a second end face 12; the first end face 11 is higher than the second end face 12.
In this embodiment, the first end surface 11 is higher than the second end surface 12, and a stepped structure is formed between the first end surface 11 and the second end surface 12.
In an optional embodiment of the present invention, the conductive plate 2 may rotate, one end of the housing 1 where the conductive plate 2 is located is a third end surface 13, the third end surface 13 is provided with an accommodating groove 131, and the position of the accommodating groove 131 corresponds to the conductive plate 2; the conductive plate 2 is rotated and then accommodated in the accommodation groove 131.
In this scheme, accomodate in accomodating groove 131 after conducting strip 2 rotates, save space.
In an optional embodiment of the present invention, one end of the conductive plate 2 connected to the charging circuit 6 is an inner end 21, and the other end is an outer end 22; the surface of the housing 1 perpendicular to the receiving groove 131 and away from the outer end 22 is a first side surface 14; an avoidance groove 141 is formed in the first side surface 14 at the intersection with the third end surface 13, and the bottom surface of the avoidance groove 141 is lower than the first side surface 14; after the conductive sheet 2 is received in the receiving groove 131, the outer end 22 protrudes from the avoiding groove 141.
In this embodiment, the avoiding groove 141 is formed on the first side surface 14, so that the user can conveniently transfer the conducting strip 2 out of the accommodating groove 131.
The utility model also discloses a charger, charger 8 includes above-mentioned charging plug 10 and power cord 9, power cord 9 one end with charging plug 10 is connected, the other end and treats that the battery charging outfit is connected and charges.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (12)

1. A charging plug of a charger is characterized by comprising a shell, a light sensing device, a charging circuit, an indicator light and a light sensing circuit; the charging circuit and the light sensation circuit are arranged in the shell and connected with the light sensation circuit, and the indicator light and the light sensation device are respectively fixed on the shell and respectively connected with the light sensation circuit.
2. The charging plug of a charger according to claim 1, wherein said charging plug further comprises a conductive plate for inputting a power supply current, an output interface for outputting a charging current; the charging circuit comprises a conversion circuit, and the conversion circuit comprises an input protection circuit, a first rectifying and filtering circuit, a voltage transformation circuit, a second rectifying and filtering circuit and a USB identification circuit;
the input end of the input protection circuit is connected with the conducting strip, and the output end of the input protection circuit is connected with the input end of the first rectifying and filtering circuit; the output end of the first rectifying and filtering circuit is connected with the input end of the voltage transformation circuit; the output end of the voltage transformation circuit is connected with the input end of the second rectification filter circuit; the output end of the second rectifying and filtering circuit is connected with the input end connected with the USB identification circuit; and the output end of the USB identification circuit is connected with the output interface.
3. A charging plug of a charger according to claim 1, wherein said charging circuit includes a switching circuit and an auxiliary circuit; the conversion circuit comprises a voltage transformation circuit; the auxiliary circuit comprises an auxiliary power supply circuit, a PWM circuit and an overcurrent protection circuit;
the input end of the auxiliary power supply circuit is connected with the voltage transformation circuit, and the output end of the auxiliary power supply circuit is connected with the input end of the PWM circuit; the output end of the PWM circuit is connected with the voltage transformation circuit; the input end of the over-current protection circuit is connected with the voltage transformation circuit, and the output end of the over-current protection circuit is connected with the input end of the PWM circuit.
4. The charging plug of a charger according to claim 2, wherein said transforming circuit comprises a high voltage winding, a low voltage winding, an output winding and a high frequency switch;
the high-voltage winding is connected with the output end of the first rectifying and filtering circuit; the low-voltage winding is connected with the input end of the second rectifying filter; the high-frequency switch is arranged on a circuit between the low-voltage winding and the second rectifying filter; the charging circuit comprises an auxiliary circuit, the auxiliary circuit comprises an auxiliary power supply circuit, and the output winding is connected with the input end of the auxiliary power supply circuit.
5. A charging plug of a charger according to claim 3, wherein said auxiliary power supply circuit includes a power supply circuit and an overvoltage protection circuit; the input end of the power supply circuit is connected with the voltage transformation circuit, and the output end of the power supply circuit is connected with the input end of the PWM circuit; the overvoltage protection circuit is connected with the power supply circuit.
6. The charging plug of a charger according to claim 2, wherein an input terminal of said light sensing circuit is connected to an output terminal of said second rectifying and filtering circuit; the output end of the light sensing circuit is connected with the indicator light; the light sensing device is connected with the input end of the light sensing circuit.
7. The charging plug of a charger according to claim 1, wherein said charging plug further comprises a conductive plate for inputting a power supply current, an output interface for outputting a charging current; the conducting strip is connected with the input end of the charging circuit; the conducting strip is arranged at one end of the shell, and the output interface, the indicating lamp and the light sensation device are arranged at the other end of the shell.
8. The charging plug for a charger according to claim 7, wherein said light-sensing device is provided at the same end as said indicator light.
9. The charging plug for a charger according to claim 7, wherein the end of the housing where said output port is located includes a first end face and a second end face; the first end surface is higher than the second end surface.
10. The charging plug of a charger according to claim 7, wherein said conductive plate is rotatable, one end of the housing where said conductive plate is located is a third end face, said third end face is provided with a receiving slot, and said receiving slot is located corresponding to said conductive plate; the conducting strip is accommodated in the accommodating groove after rotating.
11. The charging plug of a charger according to claim 10, wherein one end of said conductive plate connected to said charging circuit is an inner end, and the other end is an outer end; the surface of the shell, which is perpendicular to the accommodating groove and far away from the outer end, is a first side surface; an avoidance groove is formed in the first side face at the intersection of the first side face and the third end face, and the bottom of the avoidance groove is lower than that of the first side face; the conducting strip is accommodated after the accommodating groove, the outer end protrudes out of the avoiding groove.
12. A charger, characterized in that the charger comprises a power cord and a charging plug as claimed in any one of claims 1 to 9, wherein one end of the power cord is connected with the charging plug, and the other end of the power cord is connected with a device to be charged for charging.
CN201821768778.7U 2018-10-30 2018-10-30 Charging plug and charger of charger Active CN210350180U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821768778.7U CN210350180U (en) 2018-10-30 2018-10-30 Charging plug and charger of charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821768778.7U CN210350180U (en) 2018-10-30 2018-10-30 Charging plug and charger of charger

Publications (1)

Publication Number Publication Date
CN210350180U true CN210350180U (en) 2020-04-17

Family

ID=70172862

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821768778.7U Active CN210350180U (en) 2018-10-30 2018-10-30 Charging plug and charger of charger

Country Status (1)

Country Link
CN (1) CN210350180U (en)

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