CN215446402U - Vehicle-mounted charger with atmosphere lamp - Google Patents
Vehicle-mounted charger with atmosphere lamp Download PDFInfo
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- CN215446402U CN215446402U CN202121785538.XU CN202121785538U CN215446402U CN 215446402 U CN215446402 U CN 215446402U CN 202121785538 U CN202121785538 U CN 202121785538U CN 215446402 U CN215446402 U CN 215446402U
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- atmosphere lamp
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Abstract
The utility model relates to an on-board charger with an atmosphere lamp, comprising: the charger comprises a charger body, a connecting assembly and an atmosphere lamp assembly; the charger body is provided with a USB interface for supplying power to external electric equipment; the atmosphere lamp assembly is connected with the charger body through the connecting assembly; the atmosphere lamp assembly is rotatably connected with the connecting assembly and is used for adjusting the irradiation angle; the atmosphere lamp assembly is connected with a power interface in the charger body to supply power. The atmosphere lamp assembly is connected with the charger body through the connecting assembly, and the atmosphere lamp assembly is rotatably connected with the connecting assembly and used for adjusting the irradiation angle; power source interface in atmosphere banks spare and the charger body connects and supplies power, has realized the rotatory design of laser head, conveniently adjusts suitable projection area, can effectively avoid the influence of shake to form more stable projection effect.
Description
Technical Field
The utility model belongs to the technical field of automobile articles, and particularly relates to a vehicle-mounted charger with an atmosphere lamp.
Background
Most of existing automotive atmosphere lamps such as vehicle-mounted starry sky lamps and the like are powered by a USB (universal serial bus), and a USB head and a laser head are connected through metal hoses (such as goosenecks, coiled pipes and the like), so that after a charger is powered on, the laser head focuses light through a lens and then forms various graphic effects on a grating sheet. Since the metal hose (gooseneck or coiled pipe) is longer and is easy to shake when the position of the laser head is fixed, a stable projection effect cannot be formed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of easy shaking and poor stability in the prior art, the utility model provides the vehicle-mounted charger with the atmosphere lamp, which has the characteristics of difficult shaking, higher stability and the like.
The technical scheme adopted by the utility model is as follows:
an onboard charger with an atmosphere lamp, comprising: the charger comprises a charger body, a connecting assembly and an atmosphere lamp assembly;
the charger body is provided with a USB interface for supplying power to external electric equipment;
the atmosphere lamp assembly is connected with the charger body through the connecting assembly;
the atmosphere lamp assembly and the connecting assembly are rotatably connected and used for adjusting the irradiation angle;
the atmosphere lamp assembly is connected with a power interface in the charger body to supply power.
Further, atmosphere banks spare includes the protection casing and set gradually in laser head, lens and grating piece in the protection casing, the protection casing with coupling assembling swivelling joint.
Further, the on-vehicle charger that has the atmosphere lamp is still including connecting the laser head with constant current source circuit between the power source of charger body is used for the laser head provides stable electric current.
Further, the constant current source circuit comprises a first triode, a second triode and a capacitor;
the collector of the first triode is connected with the negative electrode of the power interface, the emitter of the first triode is grounded, and the base of the first triode is connected with the collector of the second triode;
the collector of the second triode is connected with the positive electrode of the power interface, the emitter of the second triode is grounded, and the base of the second triode is connected with the emitter of the first triode;
one end of the capacitor is connected with the collector of the second triode, and the other end of the capacitor is grounded;
the positive pole of laser head with the collecting electrode of second triode is connected, the negative pole of laser head with the collecting electrode of first triode is connected.
Further, the constant current source circuit further comprises a first resistor and a second resistor, the first resistor is connected between the emitter of the first triode and the grounding point, and the second resistor is connected between the collector of the second triode and the anode of the power interface.
Further, the vehicle-mounted charger with the atmosphere lamp further comprises a backlight arranged on the charger body and used for indicating the power-on state of the charger body.
Further, the vehicle-mounted charger with the atmosphere lamp further comprises a switch assembly, and the switch assembly is arranged on the charger body and used for controlling the constant current source circuit to be electrified.
Further, the number of the USB interfaces is two, and the USB interfaces have the maximum charging capacity of 5W.
The utility model has the beneficial effects that: the atmosphere lamp assembly is connected with the charger body through the connecting assembly, and the atmosphere lamp assembly is rotatably connected with the connecting assembly and used for adjusting the irradiation angle; power source interface in atmosphere banks spare and the charger body connects and supplies power, has realized the rotatory design of laser head, conveniently adjusts suitable projection area, can effectively avoid the influence of shake to form more stable projection effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an in-vehicle charger with an ambient light provided in accordance with an exemplary embodiment;
FIG. 2 is a block diagram of a connection assembly provided in accordance with an exemplary embodiment;
FIG. 3 is a block diagram of an ambient light assembly provided in accordance with an exemplary embodiment;
FIG. 4 is a block diagram of a constant current source circuit provided in accordance with an exemplary embodiment;
fig. 5 is a circuit diagram of a laser head interface provided in accordance with an exemplary embodiment.
FIG. 1-atmosphere lamp assembly; 2-connecting the components; 3-a charger body; 4-a switching assembly; 5-USB interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides an in-vehicle charger with an atmosphere lamp, including: the charger comprises a charger body 3, a connecting assembly 2 and an atmosphere lamp assembly 1; the charger body 3 is provided with a USB interface 5 for supplying power to external electric equipment; the atmosphere lamp assembly 1 is connected with the charger body 3 through the connecting assembly 2;
the atmosphere lamp assembly 1 and the connecting assembly 2 are rotatably connected and used for adjusting the irradiation angle; the atmosphere lamp assembly 1 and the power interface in the charger body 3 are connected for power supply.
Specifically, the charger can be improved on the basis of the existing vehicle-mounted charger, the connecting component 2 can be connected with the charger body 3 in a detachable connection mode such as a buckle, and the like, so that the daily maintenance and the like of the charger can be conveniently carried out; atmosphere banks spare 1 and coupling assembling 2 are swivelling joint's mode, the rotation axis of accessible both sides and the swivelling control that atmosphere banks spare was realized in the cooperation of corresponding recess on coupling assembling 2, realize at least at the swivelling control of the atmosphere banks spare of 0 to 90 degrees within ranges, and can cooperate corresponding damping cooperation mode to realize that atmosphere banks spare is rotatable while, have stronger stability after rotatory arriving the position, and then can avoid the influence of vehicle shake, make atmosphere banks spare to build and have better formation of image effect.
The atmosphere lamp assembly 1, the connecting assembly 2 and the charger body 3 can be made of plastic materials, so that the cost is reduced, and good insulation is achieved. And the charger body can adopt a domestic high-performance and high-precision voltage reduction chip, the output of the two-way USB interface is realized, each USB interface supports the maximum charging capacity of 5W, the charging compatibility is good, and the charging of most mobile phones in the market is supported. The overcurrent and overheat protection circuit and the short-circuit protection circuit are arranged in the charger, the design is safe and reliable, and the specific implementation mode of the charger body is not limited.
Wherein atmosphere banks spare 1 includes the protective housing and sets gradually laser head, lens and the grating piece in the protective housing, protective housing and coupling assembling swivelling joint. The laser head emits light, the lens condenses light, and the light strikes the grating sheet to form various effects, and the finished atmosphere lamp assembly in the prior art can be adopted.
In another embodiment of the utility model, the vehicle-mounted charger with the atmosphere lamp further comprises a constant current source circuit connected between the laser head and the power interface of the charger body, and used for providing stable current for the laser head.
The constant current source circuit comprises a first triode, a second triode and a capacitor;
the collector of the first triode is connected with the negative electrode of the power interface, the emitter of the first triode is grounded, and the base of the first triode is connected with the collector of the second triode;
the collector of the second triode is connected with the anode of the power interface, the emitter of the second triode is grounded, and the base of the second triode is connected with the emitter of the first triode;
one end of the capacitor is connected with the collector of the second triode, and the other end of the capacitor is grounded;
the positive pole of the laser head is connected with the collector of the second triode, and the negative pole of the laser head is connected with the collector of the first triode.
And the first resistor is connected between the emitting electrode of the first triode and the grounding point, and the second resistor is connected between the collecting electrode of the second triode and the positive electrode of the power interface.
Specifically, referring to fig. 4 and 5, after the charger body is powered on, because the first transistor Q1 has a current flowing in the base, a collector current flows in the first transistor Q1, and an emitter current of the first transistor Q1 flows through the R1, a voltage drop is generated across the R1 by a constant current source circuit formed by the bases of the first transistor Q1 and the second transistor Q2 and the capacitor C5. When the voltage drop across R1 reaches 0.6V, the base of the second transistor Q2 turns on, thereby shunting the base current of the first transistor Q1 to the collector current of the second transistor Q2, and the base current of the first transistor Q1 decreases, thereby decreasing the collector current of the first transistor Q1. Therefore, after the second triode Q2 is conducted, the base current of the first triode Q1 is limited, the output current of the circuit is stabilized at a certain current value, and the effect of outputting constant current is achieved. And further, stable current is provided for the laser head, the laser head is more stable in light emission, and the service life of the laser head is prolonged. Meanwhile, the capacitor C5 connected in parallel with the second transistor Q2 can filter and eliminate the influence of high-frequency signals, so that the current is more stable.
In some embodiments of the present invention, the vehicle-mounted charger with the atmosphere lamp further includes a backlight provided on the charger body for indicating a power-on state of the charger body. The backlight and the charger body can be supplied with power in a linkage mode, namely, after the charger body is inserted into a corresponding power interface of an automobile and the automobile is started and electrified, the backlight is lightened to indicate the power-on state of the charger body.
Still include switch module 4, switch module 4 sets up the control that is used for the circular telegram of constant current source circuit on the charger body. The switch assembly can be connected in a loop of connection of the charger body power supply and the constant current source circuit, and on-off of the loop is controlled through the switch assembly, so that power supply on-off of the atmosphere lamp assembly is controlled through the switch assembly, and the effect of saving the power supply can be achieved by turning on or off the atmosphere lamp assembly.
It will be appreciated that the size and dimensions of the switch assembly may be selected by those skilled in the art according to the actual requirements, and the utility model is not limited thereto.
The vehicle-mounted charger with the atmosphere lamp provided by the embodiment of the utility model has the advantages that the rotating design is adopted, the lamp light can be adjusted conveniently, and the appropriate lamp light can be projected stably. And a constant current source circuit is adopted to drive the laser head to emit light, so that the laser projection time is long, and the work is more stable.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. An onboard charger having an atmosphere lamp, comprising: the charger comprises a charger body, a connecting assembly and an atmosphere lamp assembly;
the charger body is provided with a USB interface for supplying power to external electric equipment;
the atmosphere lamp assembly is connected with the charger body through the connecting assembly;
the atmosphere lamp assembly and the connecting assembly are rotatably connected and used for adjusting the irradiation angle;
the atmosphere lamp assembly is connected with a power interface in the charger body to supply power.
2. The vehicle charger with the atmosphere lamp as in claim 1, wherein the atmosphere lamp assembly comprises a protective shell, and a laser head, a lens and a grating sheet which are sequentially arranged in the protective shell, and the protective shell is rotatably connected with the connecting assembly.
3. The vehicle-mounted charger with the atmosphere lamp as claimed in claim 2, further comprising a constant current source circuit connected between the laser head and a power interface of the charger body, and used for providing stable current for the laser head.
4. The vehicle-mounted charger with the atmosphere lamp according to claim 3, wherein the constant current source circuit comprises a first triode, a second triode and a capacitor;
the collector of the first triode is connected with the negative electrode of the power interface, the emitter of the first triode is grounded, and the base of the first triode is connected with the collector of the second triode;
the collector of the second triode is connected with the positive electrode of the power interface, the emitter of the second triode is grounded, and the base of the second triode is connected with the emitter of the first triode;
one end of the capacitor is connected with the collector of the second triode, and the other end of the capacitor is grounded;
the positive pole of laser head with the collecting electrode of second triode is connected, the negative pole of laser head with the collecting electrode of first triode is connected.
5. The vehicle-mounted charger with the atmosphere lamp according to claim 4, wherein the constant current source circuit further comprises a first resistor and a second resistor, the first resistor is connected between an emitter of the first triode and a ground point, and the second resistor is connected between a collector of the second triode and a positive electrode of the power interface.
6. The vehicle-mounted charger with the atmosphere lamp according to claim 1, further comprising a backlight provided on the charger body for indicating a power-on state of the charger body.
7. The vehicle-mounted charger with the atmosphere lamp according to claim 3, further comprising a switch assembly provided on the charger body for control of energization of the constant current source circuit.
8. The vehicle-mounted charger with the atmosphere lamp as recited in any one of claims 1 to 7, wherein the number of the USB interfaces is two, and each USB interface has a charging capacity of 5W at most.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785538.XU CN215446402U (en) | 2021-08-02 | 2021-08-02 | Vehicle-mounted charger with atmosphere lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121785538.XU CN215446402U (en) | 2021-08-02 | 2021-08-02 | Vehicle-mounted charger with atmosphere lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215446402U true CN215446402U (en) | 2022-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121785538.XU Active CN215446402U (en) | 2021-08-02 | 2021-08-02 | Vehicle-mounted charger with atmosphere lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215446402U (en) |
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2021
- 2021-08-02 CN CN202121785538.XU patent/CN215446402U/en active Active
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