CN111327096A

CN111327096A - Vehicle-mounted charger

Info

Publication number: CN111327096A
Application number: CN202010155784.0A
Authority: CN
Inventors: 陈积敢
Original assignee: Guangdong Lidenuo Electronic Technology Co ltd
Current assignee: Guangdong Lidenuo Electronic Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-23

Abstract

The invention relates to the technical field of charging, and discloses a vehicle-mounted charger which can temporarily illuminate, and is convenient for people in a vehicle to see the position of an interface, so that a charging wire can be accurately inserted. The invention comprises the following steps: the charger comprises a charger body, wherein the upper end of the charger body is provided with a charging interface, and the lower end of the charger body is provided with an AC (alternating Current) connecting pin; the first LED lamp module is arranged on the periphery of the upper end of the charger body; the energy storage circuit assembly is arranged inside the charger body and is electrically connected with the first LED lamp module; and the switching element is arranged on the side surface of the charger body and is electrically connected between the first LED lamp module and the energy storage circuit assembly. According to the invention, the first LED lamp module is arranged, so that the charging interface can be illuminated temporarily under the condition of insufficient illumination, the observation of whether the slot hole of the charging interface is aligned with the plug of the charging wire or not is facilitated, the installation efficiency is improved, the lamp source in the vehicle does not need to be turned on in the driving process, and the influence of the light source in the vehicle on the sight of a driver is avoided; when needed, the flashlight can be used temporarily, and convenience is improved.

Description

Vehicle-mounted charger

Technical Field

The invention relates to the technical field of charging, in particular to a vehicle-mounted charger.

Background

At present, when a passenger drives or other passengers use the charging wire to insert the vehicle-mounted charger at night, the charging wire can not be accurately inserted into the interface position due to insufficient light, at the moment, if the lamp source in the vehicle is turned on, the visual field of the driver is affected, danger of dangerous driving exists, and inconvenience is easily caused if the charging wire needs to be charged when the passengers drive at night.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the vehicle-mounted charger can realize temporary illumination, brings convenience for people in a vehicle to see the interface position, and enables a charging wire to be accurately inserted.

An on-vehicle charger according to an embodiment of a first aspect of the present invention includes: the charger comprises a charger body, wherein the upper end of the charger body is provided with a charging interface, and the lower end of the charger body is provided with an AC (alternating Current) connecting pin; the first LED lamp module is arranged on the periphery of the upper end of the charger body; the energy storage circuit assembly is arranged inside the charger body and is electrically connected with the first LED lamp module; and the switching element is arranged on the side surface of the charger body and is electrically connected between the first LED lamp module and the energy storage circuit assembly.

The vehicle-mounted charger provided by the embodiment of the invention at least has the following beneficial effects: the first LED lamp module is arranged at the upper end of the charger body, so that when a passenger needs to connect the charging wire to the charging interface, if the passenger is in a condition of insufficient illumination, the charging interface can be temporarily illuminated by the first LED lamp module, a user can conveniently observe whether the slot hole of the charging interface is aligned with the plug of the charging wire, the mounting efficiency is improved, an interior light source does not need to be turned on in the driving process, and the condition that the sight of a driver is influenced by the interior light source is avoided; when needed, the charger body can be temporarily used as a flashlight, so that the convenience of a user is improved; the switch element is utilized to control the working state of the first LED lamp module, and the controllability of the first LED lamp module is improved.

According to some embodiments of the invention, the input terminal of the energy storage circuit assembly is further electrically connected to the AC connection pin, and the output terminal of the energy storage circuit assembly is electrically connected to the switching element. Make the energy storage circuit subassembly be connected with AC connection pin, the storage battery of usable car charges for the energy storage circuit subassembly, realizes the effect of energy storage circuit subassembly circulation charge-discharge, makes a LED lamp module repeatedly usable.

According to some embodiments of the present invention, the energy storage circuit assembly includes a circuit board, and an overvoltage protection module and an energy storage module respectively disposed on the circuit board, an input end of the overvoltage protection module is electrically connected to the AC connection pin, an output end of the overvoltage protection module is electrically connected to the energy storage module, and an output end of the energy storage module is electrically connected to the switching element. The overvoltage protection module can be used for protecting the whole circuit, the energy storage module is used for storing and providing electric energy, stable working voltage is provided for the first LED lamp module, and the first LED lamp module can stably work.

According to some embodiments of the invention, the switch element comprises a tact switch S1 and/or a single-control switch, and the tact switch S1 or the single-control switch is electrically connected between the energy storage circuit assembly and the first LED lamp module. The light touch switch S1 is utilized, so that when a user prepares to insert the charging wire into the charger body, the user only needs to light the switch to light the first LED lamp module, and after the charging wire is inserted in an aligned mode, the user releases the hand, and convenience is improved; if the single-control switch is adopted, when the single-control switch is pressed down, the first LED lamp module can be kept in a continuously-lighted state, and the first LED lamp module can pause working by clicking the single-control switch again, so that the single-control switch can be adopted, not only can illuminate a charging interface and check the position of the charging interface, but also can be used as a flashlight for temporary illumination when needed, and the applicability of the invention is expanded.

According to some embodiments of the invention, the AC connection pin includes a negative electrode pin provided at a side surface of the charger body and a positive electrode pin provided at a bottom of the charger body. The AC connecting pin is mainly used for being electrically connected with a storage battery on the vehicle and providing working voltage for the energy storage module or the charging interface.

According to some embodiments of the present invention, the overvoltage protection module includes a voltage regulator ZD1, a cathode of the voltage regulator ZD1 is electrically connected to the positive pin, an anode of the voltage regulator ZD1 is electrically connected to the negative pin, and a cathode of the voltage regulator ZD1 is further connected to an input terminal of the energy storage module. By adopting the voltage regulator tube ZD1, the capacitor C1 or the first LED lamp module can be prevented from being damaged by overvoltage when the voltage of the storage battery is unstable.

According to some embodiments of the present invention, the energy storage module includes a capacitor C1 and a resistor R1, the positive terminal of the capacitor C1 is electrically connected to the output terminal of the overvoltage protection module, the negative terminal of the capacitor C1 is grounded, one terminal of the resistor R1 is electrically connected to the positive terminal of the capacitor C1, and the other terminal of the resistor R1 is electrically connected to the switching element. The capacitor C1 is used as an energy storage capacitor, so that effective electric energy can be stored, and the effective electric energy can be provided for the first LED lamp module; the resistor R1 is a current limiting resistor that limits the operating current to the first LED lamp module to prevent the first LED lamp module from being damaged by excessive current.

According to some embodiments of the invention, the capacitor C1 is a farad capacitor. Adopt farad capacitor, can realize the accumulate effect of bigger capacity, not only guarantee the energy supply demand of first LED lamp module, can prolong the operating time of first LED lamp module simultaneously effectively.

According to some embodiments of the invention, the first LED lamp module comprises at least one LED lamp. According to the needs, the first LED lamp module can set a corresponding number of LED lamps, so that different lighting effects are realized.

According to some embodiments of the invention, a second LED lamp module is further disposed on a side surface of the lower end of the charger body, and the second LED lamp module is connected in parallel to two ends of the first LED lamp module or connected in series between the first LED lamp module and the ground. Set up second LED lamp module in the side of charger body lower extreme, can be when inserting the cigar lighter with the charger body, the position of cigar lighter is observed to personnel of being convenient for by bus, makes the slot that the cigar lighter can be aimed at to the charger body, and the user of being convenient for installs fast.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an in-vehicle charger according to a first embodiment of the present invention;

fig. 2 is a schematic diagram of the principle of the lighting circuit of the on-vehicle charger of the first embodiment of the present invention;

fig. 3 is a schematic diagram of the connection of the lighting circuit of the on-vehicle charger according to the first embodiment of the present invention;

fig. 4 is a schematic structural view of an in-vehicle charger according to a second embodiment of the present invention;

fig. 5 is a schematic structural view of an in-vehicle charger according to a third embodiment of the invention;

fig. 6 is a schematic diagram showing the connection of the lighting circuit of the on-vehicle charger according to the third embodiment of the invention;

fig. 7 is a schematic diagram showing connection of a lighting circuit of an in-vehicle charger according to a fourth embodiment of the present invention.

Reference numerals: the charger comprises a charger body 100, a charging interface 110, an AC connection pin 120, a negative electrode pin 121, a positive electrode pin 122, a first LED lamp module 200, an energy storage circuit assembly 300, an overvoltage protection module 310, an energy storage module 320, a switching element 400 and a second LED lamp module 500.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a preferred embodiment, an on-board charger includes: the charger body 100 is provided with a charging interface 110 at the upper end and an AC connection pin 120 at the lower end; a first LED lamp module 200 disposed around the upper end of the charger body 100; the energy storage circuit assembly 300 is arranged inside the charger body 100 and electrically connected with the first LED lamp module 200; the switching element 400 is disposed on a side surface of the charger body 100 and electrically connected between the first LED lamp module 200 and the energy storage circuit assembly 300. It is conceivable that the switching element 400 may be provided on any one of the side surfaces of the charger body 100, and referring to fig. 1 and 4, the switching element 400 is provided on the front side of the charger body 100.

The vehicle-mounted charger provided by the embodiment of the invention at least has the following beneficial effects: the first LED lamp module 200 is arranged at the upper end of the charger body 100, so that when a passenger needs to connect a charging wire to the charging interface 110, if the passenger is in a condition of insufficient illumination, the charging interface 110 can be temporarily illuminated by the first LED lamp module 200, a user can conveniently observe whether a slot hole of the charging interface 110 is aligned with a plug of the charging wire, the installation efficiency is improved, an interior lamp source does not need to be turned on in the driving process, and the condition that the sight of a driver is influenced by the interior light source is avoided; when needed, the charger body 100 can be temporarily used as a flashlight, so that the convenience of a user is improved; the switch element 400 can be used to control the operating state of the first LED lamp module 200, thereby improving the controllability of the first LED lamp module 200.

Referring to fig. 2 and 3, in some embodiments of the invention, the input terminal of the tank circuit assembly 300 is further electrically connected to the AC connection pin 120, and the output terminal of the tank circuit assembly 300 is electrically connected to the switching element 400. The energy storage circuit assembly 300 is connected with the AC connection pin 120, the energy storage circuit assembly 300 can be charged by a storage battery of a vehicle, the effect of cyclic charge and discharge of the energy storage circuit assembly 300 is achieved, and the long first LED lamp module 200 can be repeatedly used. In practical use, the electric energy of the energy storage circuit assembly 300 is gradually consumed, so that the energy storage circuit assembly 300 is electrically connected to the AC connection pin 120, and the energy storage circuit assembly 300 can be charged and stored, thereby achieving the effect of cyclic charging and discharging of the energy storage circuit assembly 300, and enabling the first LED lamp module 200 to continuously illuminate.

Referring to fig. 2 and 3, in some embodiments of the invention, the energy storage circuit assembly 300 includes a circuit board (not shown), an overvoltage protection module 310 and an energy storage module 320 respectively disposed on the circuit board, an input terminal of the overvoltage protection module 310 is electrically connected to the AC connection pin 120, an output terminal of the overvoltage protection module 310 is electrically connected to the energy storage module 320, and an output terminal of the energy storage module 320 is electrically connected to the switching element 400. The overvoltage protection module 310 can protect the whole circuit, and the energy storage module 320 stores and provides electric energy to provide stable working voltage for the first LED lamp module 200, so that the first LED lamp module 200 can stably work. It is conceivable that the circuit board is disposed inside the charger body 100, the overvoltage protection module 310 and the energy storage module 320 are soldered on the circuit board, wherein the energy storage module 320 is electrically connected to the switching element 400 through a wire, the switching element 400 is also connected to the first LED lamp module 200 through a wire, and the operating state of the first LED lamp module 200 can be controlled by controlling the on/off state of the switching element 400.

Referring to fig. 2 and 3, in some embodiments of the invention, the switch element 400 includes a tact switch S1 and/or a single-control switch, and the tact switch S1 or the single-control switch is electrically connected between the energy storage circuit assembly 300 and the first LED lamp module 200. By using the tact switch S1, when a user is ready to insert the charging wire into the charger body 100, the user can light the first LED lamp module 200 by just tapping the switch, and the user can release the hand after the charging wire is inserted in alignment, so that convenience is improved; if the single-control switch is adopted, when the single-control switch is pressed down, the first LED lamp module 200 can be kept in a continuously-lighted state, and the first LED lamp module 200 can pause to work by clicking the single-control switch again, so that the single-control switch is adopted, the charging interface 110 can be illuminated, the position of the charging interface 110 can be checked, and the single-control switch can be used as a flashlight for temporary illumination when needed, and the applicability of the invention is expanded.

Referring to fig. 1, 4 and 5, in some embodiments of the present invention, the AC connection pin 120 includes a negative pin 121 provided at a side surface of the charger body 100 and a positive pin 122 provided at a bottom of the charger body 100. The AC connection pin 120 is mainly used to electrically connect to a battery on the vehicle, and provide a working voltage for the energy storage module 320 or the charging interface 110.

Referring to fig. 3, in some embodiments of the present invention, the overvoltage protection module 310 includes a voltage regulator ZD1, a cathode of the voltage regulator ZD1 is electrically connected to the positive pin 122, an anode of the voltage regulator ZD1 is electrically connected to the negative pin 121, and a cathode of the voltage regulator ZD1 is further connected to an input terminal of the energy storage module 320. By adopting the voltage regulator tube ZD1, the capacitor C1 or the first LED lamp module 200 can be prevented from being damaged by overvoltage when the voltage of the storage battery is unstable.

Referring to fig. 3, in some embodiments of the invention, the energy storage module 320 includes a capacitor C1 and a resistor R1, the positive terminal of the capacitor C1 is electrically connected to the output terminal of the overvoltage protection module 310, the negative terminal of the capacitor C1 is grounded, one terminal of the resistor R1 is electrically connected to the positive terminal of the capacitor C1, and the other terminal of the resistor R1 is electrically connected to the switching element 400. The capacitor C1 is used as an energy storage capacitor, and can store effective electric energy to provide effective electric energy for the first LED lamp module 200; the resistor R1 is a current limiting resistor, which limits the operating current to the first LED lamp module 200 to prevent the current from damaging the first LED lamp module 200.

In some embodiments of the present invention, the capacitor C1 is a farad capacitor. Adopt farad capacitor, can realize the accumulate effect of bigger capacity, not only guarantee first LED lamp module 200's energy supply demand, can prolong first LED lamp module 200's operating time effectively simultaneously. It is conceivable that the parameter types of the voltage regulator ZD1, the capacitor C1 and the resistor R1 may be selected according to actual requirements and conventional technical means of those skilled in the art, so as to match the corresponding parameters; by selecting a capacitor C1 with a larger capacity, the power supply requirement for the first LED lamp module 200 for a long time can be realized; according to the capacitor C1 and the working voltage of the first LED lamp module 200, the zener diode ZD1 and the resistor R1 with corresponding parameters can be selected.

In some embodiments of the present invention, the first LED lamp module 200 includes at least one LED lamp. According to the requirement, the first LED lamp module 200 can set a corresponding number of LED lamps to achieve different lighting effects. It is contemplated that the first LED lamp module 200 may be disposed on one or both sides of the charger body 100 or uniformly along the circumference of the charger body 100 in combination with a different number of LED lamps. Referring to fig. 1 and 5, the first LED lamp modules 200 are uniformly disposed along the periphery of the charger body 100, and referring to fig. 4, the first LED lamp modules 200 are simultaneously disposed at both sides of the charger body 100.

In some embodiments of the present invention, the side surface of the lower end of the charger body 100 is further provided with a second LED lamp module 500, the second LED lamp module 500 is connected in parallel to both ends of the first LED lamp module 200 or the second LED lamp module 500 is connected in series between the first LED lamp module 200 and the ground. Set up second LED lamp module 500 in the side of charger body 100 lower extreme, can be when inserting the cigar lighter with charger body 100, the cigarette lighter of temporarily lighting up, the personnel of being convenient for by bus observe the position of cigar lighter, make charger body 100 can aim at the slot of cigar lighter, the quick installation of the user of being convenient for. Referring to fig. 6, the second LED lamp module 500 is connected in parallel to both ends of the first LED lamp module 200, and referring to fig. 7, the second LED lamp module 500 is connected in series between the first LED lamp module 200 and the ground.

An in-vehicle charger according to an embodiment of the present invention is described in detail in one specific embodiment with reference to fig. 5 and 6. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.

Referring to fig. 5, an in-vehicle charger includes: the charger body 100 is provided with a charging interface 110 at the upper end and an AC connection pin 120 at the lower end; a first LED lamp module 200 disposed around the upper end of the charger body 100; the energy storage circuit assembly 300 is arranged inside the charger body 100 and electrically connected with the first LED lamp module 200; the switching element 400 is disposed on the front side of the charger body 100 and electrically connected between the first LED lamp module 200 and the energy storage circuit assembly 300.

Referring to fig. 6, in the embodiment, the energy storage circuit assembly 300 includes a circuit board (not shown), an overvoltage protection module 310 and an energy storage module 320 respectively disposed on the circuit board, an input terminal of the overvoltage protection module 310 is electrically connected to the AC connection pin 120, an output terminal of the overvoltage protection module 310 is electrically connected to the energy storage module 320, and an output terminal of the energy storage module 320 is electrically connected to the switching element 400. The overvoltage protection module 310 can protect the whole circuit, and the energy storage module 320 stores and provides electric energy to provide stable working voltage for the first LED lamp module 200, so that the first LED lamp module 200 can stably work. It is conceivable that the circuit board is disposed inside the charger body 100, the overvoltage protection module 310 and the energy storage module 320 are soldered on the circuit board, wherein the energy storage module 320 is electrically connected to the switching element 400 through a wire, the switching element 400 is also connected to the first LED lamp module 200 through a wire, and the operating state of the first LED lamp module 200 can be controlled by controlling the on/off state of the switching element 400. The energy storage circuit assembly 300 is connected with the AC connection pin 120, the energy storage circuit assembly 300 can be charged by a storage battery of a vehicle, the effect of cyclic charge and discharge of the energy storage circuit assembly 300 is achieved, and the long first LED lamp module 200 can be repeatedly used. In practical use, the electric energy of the energy storage circuit assembly 300 is gradually consumed, so that the energy storage circuit assembly 300 is electrically connected to the AC connection pin 120, and the energy storage circuit assembly 300 can be charged and stored, thereby achieving the effect of cyclic charging and discharging of the energy storage circuit assembly 300, and enabling the first LED lamp module 200 to continuously illuminate.

Referring to fig. 5 and 6, in the present embodiment, the switch element 400 includes a tact switch S1, and the tact switch S1 is electrically connected between the energy storage circuit assembly 300 and the first LED lamp module 200. Utilize to touch switch S1 and can make the user when preparing to insert the charging wire into charger body 100, the user only needs to lightly click the switch, can make first LED lamp module 200 light, and the charging wire is aimed at and is inserted the back, and the hand is released can, has improved the convenience.

Referring to fig. 5 and 6, in the present embodiment, the AC connection pin 120 includes a negative electrode pin 121 provided at a side surface of the charger body 100 and a positive electrode pin 122 provided at a bottom of the charger body 100. The AC connection pin 120 is mainly used to electrically connect to a battery on the vehicle, and provide a working voltage for the energy storage module 320 or the charging interface 110.

Referring to fig. 5 and 6, in the present embodiment, the overvoltage protection module 310 includes a voltage regulator ZD1, a cathode of the voltage regulator ZD1 is electrically connected to the positive pin 122, an anode of the voltage regulator ZD1 is electrically connected to the negative pin 121, and a cathode of the voltage regulator ZD1 is further connected to an input terminal of the energy storage module 320. By adopting the voltage regulator tube ZD1, the capacitor C1 or the first LED lamp module 200 can be prevented from being damaged by overvoltage when the voltage of the storage battery is unstable.

Referring to fig. 5 and 6, in the present embodiment, the energy storage module 320 includes a capacitor C1 and a resistor R1, a positive terminal of the capacitor C1 is electrically connected to the output terminal of the overvoltage protection module (310), a negative terminal of the capacitor C1 is grounded, one terminal of the resistor R1 is electrically connected to a positive terminal of the capacitor C1, and the other terminal of the resistor R1 is electrically connected to the switching element 400. The capacitor C1 is used as an energy storage capacitor, and can store effective electric energy to provide effective electric energy for the first LED lamp module 200; the resistor R1 is a current limiting resistor, which limits the operating current to the first LED lamp module 200 to prevent the current from damaging the first LED lamp module 200.

Referring to fig. 5 and 6, in the present embodiment, the capacitor C1 is a farad capacitor. Adopt farad capacitor, can realize the accumulate effect of bigger capacity, not only guarantee first LED lamp module 200's energy supply demand, can prolong first LED lamp module 200's operating time effectively simultaneously. It is conceivable that the parameter types of the voltage regulator ZD1, the capacitor C1 and the resistor R1 may be selected according to actual requirements and conventional technical means of those skilled in the art, so as to match the corresponding parameters; by selecting a capacitor C1 with a larger capacity, the power supply requirement for the first LED lamp module 200 for a long time can be realized; according to the capacitor C1 and the working voltage of the first LED lamp module 200, the zener diode ZD1 and the resistor R1 with corresponding parameters can be selected.

Referring to fig. 5 and 6, in the present embodiment, the first LED lamp module 200 includes a plurality of LED lamps connected in sequence and uniformly distributed around the upper end of the charger body 100.

Referring to fig. 5 and 6, in the present embodiment, a second LED lamp module 500 is further disposed on a side surface of the lower end of the charger body 100, and the second LED lamp module 500 is connected in parallel to both ends of the first LED lamp module 200. Set up second LED lamp module 500 in the side of charger body 100 lower extreme, can be when inserting the cigar lighter with charger body 100, the cigarette lighter of temporarily lighting up, the personnel of being convenient for by bus observe the position of cigar lighter, make charger body 100 can aim at the slot of cigar lighter, the quick installation of the user of being convenient for. Similarly, the second LED lamp module 500 includes a plurality of LED lamps connected in sequence and is uniformly distributed around the lower end of the charger body 100.

The first LED lamp module 200 is arranged at the upper end of the charger body 100, so that when a passenger needs to connect a charging wire to the charging interface 110, if the passenger is in a condition of insufficient illumination, the charging interface 110 can be temporarily illuminated by the first LED lamp module 200, a user can conveniently observe whether a slot hole of the charging interface 110 is aligned with a plug of the charging wire, the installation efficiency is improved, an interior lamp source does not need to be turned on in the driving process, and the condition that the sight of a driver is influenced by the interior light source is avoided; when needed, the charger body 100 can be temporarily used as a flashlight, so that the convenience of a user is improved; the switch element 400 can be used to control the operating state of the first LED lamp module 200, thereby improving the controllability of the first LED lamp module 200. Utilize the second LED module, also make things convenient for the personnel by bus to insert the cigar lighter with charger body 100, can observe the slot position of cigar lighter, the personnel by bus of being convenient for can install fast, need not to open the interior lamp source of car, avoids influencing driver's sight.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An in-vehicle charger, comprising:

the charger comprises a charger body, wherein the upper end of the charger body is provided with a charging interface, and the lower end of the charger body is provided with an AC (alternating Current) connecting pin;

the first LED lamp module is arranged on the periphery of the upper end of the charger body;

the energy storage circuit assembly is arranged inside the charger body and is electrically connected with the first LED lamp module;

and the switching element is arranged on the side surface of the charger body and is electrically connected between the first LED lamp module and the energy storage circuit assembly.

2. The vehicle-mounted charger according to claim 1, characterized in that: the input end of the energy storage circuit assembly is electrically connected with the AC connecting pin, and the output end of the energy storage circuit assembly is electrically connected with the switch element.

3. The vehicle-mounted charger according to claim 1, characterized in that: the energy storage circuit assembly comprises a circuit board, and an overvoltage protection module and an energy storage module which are respectively arranged on the circuit board, wherein the input end of the overvoltage protection module is electrically connected with the AC connecting pin, the output end of the overvoltage protection module is electrically connected with the energy storage module, and the output end of the energy storage module is electrically connected with the switch element.

4. The vehicle-mounted charger according to claim 1, 2 or 3, characterized in that: the switch element comprises a touch switch S1 and/or a single-control switch, and the touch switch S1 or the single-control switch is electrically connected between the energy storage circuit assembly and the first LED lamp module.

5. The vehicle-mounted charger according to claim 3, characterized in that: the AC connecting pin comprises a negative electrode pin arranged on the side face of the charger body and a positive electrode pin arranged at the bottom of the charger body.

6. The vehicle-mounted charger according to claim 5, characterized in that: the overvoltage protection module comprises a voltage regulator tube ZD1, the cathode of the voltage regulator tube ZD1 is electrically connected with the positive electrode pin, the anode of the voltage regulator tube ZD1 is electrically connected with the negative electrode pin, and the cathode of the voltage regulator tube ZD1 is also connected with the input end of the energy storage module.

7. The vehicle-mounted charger according to claim 6, characterized in that: the energy storage module comprises a capacitor C1 and a resistor R1, the positive terminal of the capacitor C1 is electrically connected with the output end of the overvoltage protection module, the negative terminal of the capacitor C1 is grounded, one end of the resistor R1 is electrically connected with the positive terminal of the capacitor C1, and the other end of the resistor R1 is electrically connected with the switching element.

8. The vehicle-mounted charger according to claim 7, characterized in that: the capacitor C1 is a farad capacitor.

9. The vehicle-mounted charger according to claim 1, characterized in that: the first LED lamp module at least comprises one LED lamp.

10. The vehicle-mounted charger according to claim 1 or 9, characterized in that: the side face of the lower end of the charger body is further provided with a second LED lamp module, and the second LED lamp module is connected to two ends of the first LED lamp module in parallel or connected between the first LED lamp module and the ground in series.