CN216491140U - LED table lamp with wireless quick charging function - Google Patents

LED table lamp with wireless quick charging function Download PDF

Info

Publication number
CN216491140U
CN216491140U CN202123164665.0U CN202123164665U CN216491140U CN 216491140 U CN216491140 U CN 216491140U CN 202123164665 U CN202123164665 U CN 202123164665U CN 216491140 U CN216491140 U CN 216491140U
Authority
CN
China
Prior art keywords
chip
module
constant current
electrically connected
current driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202123164665.0U
Other languages
Chinese (zh)
Inventor
刘凤生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Superlight Technology Co ltd
Original Assignee
Shenzhen Superlight Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Superlight Technology Co ltd filed Critical Shenzhen Superlight Technology Co ltd
Priority to CN202123164665.0U priority Critical patent/CN216491140U/en
Application granted granted Critical
Publication of CN216491140U publication Critical patent/CN216491140U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model discloses a LED desk lamp with wireless quick charging function, which comprises a touch control module, a constant current driving module, an LED light-emitting module, a wireless charging module and a USB output module; the touch control module is respectively electrically connected with the constant current driving module, the wireless charging module and the USB output module, and is also electrically connected with an external power supply and used for controlling the operation of the constant current driving module, the wireless charging module is used for carrying out wireless quick charging on digital products, and the USB output module is used for carrying out USB wired charging on the digital products; the constant current driving module is also electrically connected with the LED light emitting module and is used for driving the LED light emitting module to emit warm white light or positive white light or light formed by mixing the warm white light and the positive white light. The utility model discloses a wireless charging and the design that the wired charging combined together can satisfy user's wireless demand and the wired demand of charging, and charging current is big, and charging speed is fast, realizes quick charge.

Description

LED table lamp with wireless quick charging function
Technical Field
The utility model relates to a LED lamps and lanterns technical field especially relates to a LED table lamp that possesses wireless quick function of charging.
Background
Along with the continuous development of science and technology, the LED desk lamp that has the USB interface has appeared in the market, and this type of LED desk lamp need connect the charging wire just can charge for digital products such as cell-phones, still must find the port that charges that corresponds during charging and just can charge, can't realize wireless charging, and is very inconvenient to charging current is little, leads to the charge time long, and charging speed is slow, and efficiency is not high.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, provide a LED table lamp that possesses wireless quick function of charging.
The technical scheme of the utility model as follows:
an LED table lamp with a wireless quick charging function comprises a touch control module, a constant current driving module, an LED light emitting module, a wireless charging module and a USB output module; the touch control module is respectively electrically connected with the constant current driving module, the wireless charging module and the USB output module, the touch control module is also electrically connected with an external power supply, the touch control module is used for controlling the operation of the constant current driving module, the wireless charging module is used for wirelessly and quickly charging digital products with a wireless charging function, and the USB output module is used for USB wired charging of the digital products; the constant current driving module is electrically connected with the LED light emitting module, and is used for providing constant current to drive the LED light emitting module to emit light, and the LED light emitting module is used for emitting warm white light or positive white light or light formed by mixing the warm white light and the positive white light.
Further, the wireless charging module comprises a voltage reduction circuit, a main control circuit and an energy conversion circuit; the voltage reduction circuit is electrically connected with the touch control module, the main control circuit and the energy conversion circuit respectively, the main control circuit is also electrically connected with the energy conversion circuit, the voltage reduction circuit is used for providing electric energy required by the work of the main control circuit and the energy conversion circuit, the main control circuit is used for controlling the operation of the energy conversion circuit, and the energy conversion circuit is used for realizing wireless quick charging operation on a digital product with a wireless charging function;
the voltage reduction circuit comprises a power chip U6 and a working circuit thereof, the power chip U6 is electrically connected with the touch control module, the main control circuit and the energy conversion circuit respectively, and the power chip U6 is used for providing electric energy required by the work of the main control circuit and the energy conversion circuit; the power chip U6 adopts a buck converter with the model number of MP 2225;
the main control circuit comprises a wireless charging control chip U7 and a working circuit thereof, the wireless charging control chip U7 is electrically connected with the power supply chip U6 and the energy conversion circuit respectively, and the wireless charging control chip U7 is used for controlling the operation of the energy conversion circuit; the wireless charging control chip U7 adopts a wireless charging IC with the model number D9100;
the energy conversion circuit comprises a wireless charging drive chip U8, a coil CL1 and a working circuit thereof, wherein the wireless charging drive chip U8 is electrically connected with the power supply chip U6, the wireless charging control chip U7 and the coil CL1 respectively, and the wireless charging drive chip U8 is used for driving the coil CL1 to wirelessly and rapidly charge a digital product with a wireless charging function; the wireless charging drive chip U8 adopts a full-bridge driver with the model number of D9015.
Further, the touch control module comprises a power connector J5, a power chip U1, a touch chip U2 and an operating circuit thereof; the power supply joint J5 is electrically connected with the external power supply, the constant current driving module, a power supply chip U6 of the wireless charging module, the USB output module and a power supply chip U1 respectively, the power supply chip U1 is also electrically connected with the touch chip U2, and the power supply chip U1 is used for providing electric energy required by the operation of the touch chip U2; the touch chip U2 is further electrically connected to the constant current driving module, and the touch chip U2 is further electrically connected to a plurality of touch keys, the touch keys are used for a user to trigger different sensing signals, and the touch chip U2 is used for analyzing the sensing signals received by the touch chip U2 and outputting corresponding control signals to the constant current driving module, so that the constant current driving module outputs different currents;
the power supply chip U1 adopts a voltage stabilizing chip with the model number of HT 7136;
the touch chip U2 adopts a capacitive touch chip with the model number HC5F13 NT.
Further, the constant current driving module comprises a first constant current driving unit and a second constant current driving unit, and the LED light emitting module comprises a first light emitting unit and a second light emitting unit; the first constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the first light emitting unit respectively, the first constant current driving unit is used for providing constant current to drive the first light emitting unit to emit light, and the first light emitting unit is used for emitting warm white light; the second constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the second light emitting unit respectively, the second constant current driving unit is used for providing constant current to drive the second light emitting unit to emit light, and the second light emitting unit is used for emitting positive white light;
the first constant current driving unit comprises a constant current driving chip U3, a connector J1 and a working circuit thereof; the constant current driving chip U3 is electrically connected with the power connector J5, the touch chip U2 and the connector J1 respectively, and the connector J1 is also electrically connected with the first light-emitting unit; the first light-emitting unit comprises a connector J3 electrically connected with the connector J1 and a plurality of warm white LED modules electrically connected with the connector J3 and arranged in parallel, and each warm white LED module is formed by connecting a plurality of warm white LED lamp beads in series;
the constant current driving chip U3 adopts a constant current driver with the model number PT 4115;
the second constant current driving unit comprises a constant current driving chip U4, a connector J2 and a working circuit thereof; the constant current driving chip U4 is electrically connected with the power supply connector J5, the touch chip U2 and the connector J2 respectively, and the connector J2 is also electrically connected with the second light emitting unit; the second light-emitting unit comprises a connector J4 electrically connected with the connector J2 and a plurality of white LED modules electrically connected with the connector J4 and arranged in parallel, and each white LED module is formed by connecting a plurality of white LED lamp beads in series;
the constant current driving chip U4 adopts a constant current driver with the model number PT 4115.
Further, the USB output module comprises a power chip U5, a USB interface USB1 and a working circuit thereof; the power supply chip U5 is electrically connected with the power supply connector J5 and the USB interface USB1 respectively, the power supply chip U5 is used for outputting direct current, and the USB interface USB1 is used for connecting and charging digital products;
the power chip U5 adopts a DC/DC voltage reduction chip with the model of CX 8502.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the design combining wireless charging and USB wired charging is adopted, the wireless charging requirement and the USB wired charging requirement of a user can be met, the charging current is large, the charging speed is high, the efficiency is high, quick charging is realized, the practicability of the LED table lamp is improved, the user experience is better, the design is exquisite, and the LED table lamp is worthy of social and vigorous popularization;
2. the design of constant current drive module and LED light emitting module can send warm white light or positive white light or by the mixed light that forms of warm white light and positive white light, and luminous mode is more various, and illuminating effect is good to adopt the design that low pressure power supply combines touch control, it is more convenient to operate, and the security is higher, has improved the practicality of LED table lamp, can satisfy more user demands, and user uses and experiences better, and the design is exquisite, and application prospect is extensive, is worth the society and widelys popularize.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
Fig. 1 is a block diagram of the LED desk lamp with wireless fast charging function provided by the present invention;
fig. 2 is a schematic circuit diagram of the LED desk lamp with wireless fast charging function provided by the present invention;
fig. 3 is a schematic circuit diagram of a touch control module provided by the present invention;
fig. 4 is a schematic circuit diagram of the constant current driving module provided by the present invention;
fig. 5 is a schematic circuit diagram of an LED light-emitting module provided by the present invention;
fig. 6 is a schematic circuit diagram of the wireless charging module provided by the present invention;
fig. 7 is a schematic circuit diagram of the USB output module provided by the present invention;
fig. 8 is a schematic circuit diagram of the voltage reduction circuit provided by the present invention;
fig. 9 is a circuit schematic diagram of the main control circuit provided by the present invention;
fig. 10 is a schematic circuit diagram of an energy conversion circuit according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1 to 10, the utility model provides a LED desk lamp with wireless quick charging function, which comprises a touch control module 11, a constant current driving module 12, a LED light emitting module 13, a wireless charging module 14 and a USB output module 15; the touch control module 11 is electrically connected with the constant current driving module 12, the wireless charging module 14 and the USB output module 15 respectively, the touch control module 11 is also electrically connected with an external power supply, the external power supply preferably adopts a 12V constant voltage direct current power supply and is used for providing electric energy required by the whole LED desk lamp to work, the touch control module 11 is used for controlling the operation of the constant current driving module 12, the wireless charging module 14 is used for wirelessly and quickly charging a digital product with a wireless charging function, and the USB output module 15 is used for USB wired charging of the digital product; the constant current driving module 12 is further electrically connected to the LED light emitting module 13, the constant current driving module 12 is configured to provide a constant current to drive the LED light emitting module 13 to emit light, and the LED light emitting module 13 is configured to emit warm white light or normal white light or light formed by mixing the warm white light and the normal white light.
In this embodiment, the wireless charging module 14 includes a voltage reduction circuit 140, a main control circuit 141, and an energy conversion circuit 142; the voltage reducing circuit 140 is electrically connected to the touch control module 11, the main control circuit 141 and the energy conversion circuit 142, the main control circuit 141 is further electrically connected to the energy conversion circuit 142, the voltage reducing circuit 140 is configured to perform DC-DC conversion on 12V direct current input into the voltage reducing circuit 140 and output 5V-9V direct current to be provided to the main control circuit 141 and the energy conversion circuit 142 for use, that is, the voltage reducing circuit 140 is configured to provide electric energy required by the main control circuit 141 and the energy conversion circuit 142 for operation, the main control circuit 141 is configured to control the operation of the energy conversion circuit 142, and the energy conversion circuit 142 is configured to implement a wireless fast charging operation on a digital product with a wireless charging function;
the voltage reduction circuit 140 includes a power chip U6 and a working circuit thereof, the power chip U6 is electrically connected to the touch control module 11, the main control circuit 141 and the energy conversion circuit 142, the power chip U6 is used to provide electric energy required by the operation of the main control circuit 141 and the energy conversion circuit 142, and specifically, the power chip U6 preferably adopts a voltage reduction converter with the model MP 2225; when the energy conversion device works, the 12V direct current is reduced into 5V-9V direct current through the power chip U6, and the direct current is respectively supplied to the main control circuit 141 and the energy conversion circuit 142 for use;
the main control circuit 141 comprises a wireless charging control chip U7 and a working circuit thereof, the wireless charging control chip U7 is electrically connected with the power supply chip U6 and the energy conversion circuit 142 respectively, the wireless charging control chip U7 is used for controlling the operation of the energy conversion circuit 142, and particularly, the wireless charging control chip U7 preferably adopts a wireless charging IC with the model number D9100; when the wireless charging control circuit works, the wireless charging control chip U7 controls the operation of the energy conversion circuit 142;
the energy conversion circuit 142 comprises a wireless charging driving chip U8, a coil CL1 and a working circuit thereof, wherein the wireless charging driving chip U8 is electrically connected with the power supply chip U6, the wireless charging control chip U7 and the coil CL1 respectively, the wireless charging driving chip U8 is used for driving the coil CL1 to wirelessly and rapidly charge a digital product with a wireless charging function, and particularly, the wireless charging driving chip U8 preferably adopts a full-bridge driver with the model D9015; when the wireless charging device works, the current driving coil CL1 output by the wireless charging driving chip U8 works to realize energy conversion, so that a digital product with a wireless charging function is charged in a wireless charging mode, and wireless quick charging is realized.
In this embodiment, the USB output module 15 includes a power chip U5, a USB interface USB1 and its operating circuit; the power chip U5 is electrically connected with the touch control module 11 and the USB interface USB1, the power chip U5 is used for performing DC-DC conversion on 12V direct current input into the power chip U5 and outputting 5V direct current, the USB interface USB1 is used for connecting and charging digital products, and particularly, the power chip U5 preferably adopts a DC/DC voltage reduction chip with the model CX 8502; during operation, the digital product is connected to a USB interface USB1 through a charging wire, 12V direct current is reduced to 5V through a power supply chip U5, and finally the digital product is supplied with power through a USB interface USB1, wherein the maximum current of the digital product can reach 2A, so that the USB wired charging is realized.
In this embodiment, the touch control module 11 includes a power connector J5, a power chip U1, a touch chip U2 and its operating circuit; the power supply connector J5 is electrically connected to the external power supply, the constant current driving module 12, the wireless charging module 14, the USB output module 15, and the power supply chip U1, specifically, the power supply connector J5 is electrically connected to the external power supply, the constant current driving module 12, the power supply chip U6 of the wireless charging module 14, the power supply chip U5 of the USB output module 15, and the power supply chip U1, that is, the power supply chip U5 is electrically connected to the power supply connector J5 and the USB interface USB1, respectively, the power supply connector J5 is used for inputting 12V direct current from the external power supply, so that the constant current driving module 12, the power supply chip U6, the power supply chip U5, and the power supply chip U1 are all connected to 12V direct current; the power chip U1 is further electrically connected to the touch chip U2, the power chip U1 is configured to perform DC-DC conversion on 12V direct current input thereto and output 3.6V direct current to be supplied to the touch chip U2 for use, that is, the power chip U1 is configured to provide electric energy required by the operation of the touch chip U2, and specifically, the power chip U1 preferably employs a voltage stabilization chip (three-terminal voltage stabilization chip) of type HT 7136; the touch chip U2 is further electrically connected to the constant current driving module 12, and the touch chip U2 is further electrically connected to a plurality of touch keys, where the plurality of touch keys are used for a user to trigger different sensing signals, the touch chip U2 is configured to analyze the sensing signals received by the touch chip U2 and output corresponding control signals (actually, PWM signals) to the constant current driving module 12, so that the constant current driving module 12 outputs different currents, thereby changing the light emitting mode of the LED light emitting module 13, specifically, the touch chip U2 preferably adopts a capacitive touch chip of type HC5F13NT, and the number of the touch keys is 5; when the LED desk lamp works, 12V direct current is connected through the power connector J5, the 12V direct current is connected through the power chip U1, the voltage of the 12V direct current is reduced to 3.6V, and the voltage is supplied to the touch chip U2 for use, after a user is connected with any touch button, the touch chip U2 receives an induction signal generated when the user is in contact with the touch button, the touch chip U2 is responsible for analyzing the induction signal, and the touch chip U2 is responsible for outputting a corresponding control signal to the constant current driving module 12 through the 9 th pin and the 10 th pin according to the analysis result of the induction signal, so that the constant current driving module 12 outputs corresponding current, and the light brightness of the touch control LED desk lamp is achieved.
In this embodiment, the constant current driving module 12 includes a first constant current driving unit and a second constant current driving unit, and the LED light emitting module 13 includes a first light emitting unit and a second light emitting unit; the first constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the first light emitting unit respectively, the first constant current driving unit is used for providing constant current to drive the first light emitting unit to emit light, and the first light emitting unit is used for emitting warm white light; the second constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the second light emitting unit respectively, the second constant current driving unit is used for providing constant current to drive the second light emitting unit to emit light, and the second light emitting unit is used for emitting positive white light;
the first constant current driving unit comprises a constant current driving chip U3, a connector J1 and a working circuit thereof, the constant current driving chip U3 is electrically connected with the power supply connector J5, the touch chip U2 and the connector J1 respectively, the connector J1 is also electrically connected with the first light emitting unit, and particularly, the constant current driving chip U3 preferably adopts a constant current driver with the model number of PT 4115; when the LED lamp works, the current output by the constant current driving chip U3 is input into the first light emitting unit through the connector J1, so that the first light emitting unit emits warm white light, and when the current output by the constant current driving chip U3 changes, the first light emitting unit changes the brightness of the emitted warm white light;
the second constant current driving unit comprises a constant current driving chip U4, a connector J2 and a working circuit thereof, the constant current driving chip U4 is electrically connected with the power supply connector J5, the touch chip U2 and the connector J2 respectively, the connector J2 is also electrically connected with the second light emitting unit, and particularly, the constant current driving chip U4 preferably adopts a constant current driver with the model number of PT 4115; when the constant current driving chip U4 works, the current output by the constant current driving chip U4 is input into the second light emitting unit through the connector J2, so that the second light emitting unit emits positive white light, and when the output current of the constant current driving chip U4 is changed, the brightness of the positive white light emitted by the second light emitting unit is changed;
the first light-emitting unit comprises a connector J3 electrically connected with the connector J1 and a plurality of warm white LED modules electrically connected with the connector J3 and arranged in parallel, each warm white LED module is formed by connecting a plurality of warm white LED lamp beads in series, specifically, the number of the warm white LED modules is 16, the number of the warm white LED lamp beads of each warm white LED module is 3, and the models of the warm white LED lamp beads are 2835; when the LED lamp works, the current connected through the connector J3 enables all warm white LED lamp beads to emit warm white light, and when the current connected through the connector J3 is changed, the brightness of the warm white light emitted by all the warm white LED lamp beads is changed;
the second light-emitting unit comprises a connector J4 electrically connected with the connector J2 and a plurality of white LED modules electrically connected with the connector J4 and arranged in parallel, each white LED module is formed by connecting a plurality of white LED lamp beads in series, specifically, the number of the white LED modules is 16, the number of the white LED lamp beads of each white LED module is 3, and the types of the white LED lamp beads are 2835; when the LED lamp is in work, all the white light LED lamp beads emit white light through the current accessed by the connector J4, and when the current accessed by the connector J4 is changed, the brightness of the white light emitted by all the white light LED lamp beads is changed.
The utility model discloses working process and principle as follows: the power connector J5 is connected to a 12V constant voltage direct current power supply, when a user places a digital product with a wireless charging function on a position of a coil CL1 corresponding to the LED desk lamp, 12V direct current input through the power connector J5 is reduced to 5V-9V direct current through a power chip U6 and is respectively provided for a wireless charging control chip U7 and a wireless charging driving chip U8 for use, the wireless charging control chip U7 outputs two groups of PWM signals to the wireless charging driving chip U8 through a 12 th pin and a 13 th pin, the wireless charging driving chip U8 outputs corresponding current according to the PWM signals, the coil CL1 works to convert electric energy into electromagnetic energy, and the digital product with the wireless charging function converts the electromagnetic energy into electric energy to charge the digital product, so that wireless quick charging is realized; when a user connects a digital product to a USB (universal serial bus) interface USB1 through a charging wire, 12V direct current input through a power supply connector J5 is reduced to 5V through a power supply chip U5, and then power is supplied to the digital product through a USB interface USB1, so that wired charging of the USB is realized; when a user is connected with any touch key, the touch chip U2 receives a sensing signal generated by the user contacting with the touch key, the touch chip U2 is responsible for analyzing the sensing signal, the touch chip U2 is responsible for outputting a set of control signals to the constant current driving chip U3 through the 10 th pin according to the analysis result of the sensing signal, so that the constant current driving chip U3 outputs corresponding current to the first light emitting unit, so that the first light emitting unit emits warm white light, meanwhile, the touch chip U2 outputs another set of control signals to the constant current driving chip U4 through the 9 th pin according to the analysis result of the sensing signal, so that the constant current driving chip U4 outputs corresponding current to the second light emitting unit, so that the second light emitting unit emits positive white light, and the touch chip U2 outputs different control signals according to different sensing signals generated by the user contacting with different touch keys to control the constant current driving module 12 to output different currents, the LED light-emitting module 13 can emit light with different color temperatures and brightness, so that the light brightness of the LED desk lamp can be controlled in a touch mode, the light-emitting mode is more various, and the lighting effect is good.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the design combining wireless charging and USB wired charging is adopted, the wireless charging requirement and the USB wired charging requirement of a user can be met, the charging current is large, the charging speed is high, the efficiency is high, quick charging is realized, the practicability of the LED table lamp is improved, the user experience is better, the design is exquisite, and the LED table lamp is worthy of social and vigorous popularization;
2. the design of constant current drive module and LED light emitting module can send warm white light or positive white light or by the mixed light that forms of warm white light and positive white light, and luminous mode is more various, and illuminating effect is good to adopt the design that low pressure power supply combines touch control, it is more convenient to operate, and the security is higher, has improved the practicality of LED table lamp, can satisfy more user demands, and user uses and experiences better, and the design is exquisite, and application prospect is extensive, is worth the society and widelys popularize.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. An LED table lamp with a wireless quick charging function is characterized by comprising a touch control module, a constant current driving module, an LED light-emitting module, a wireless charging module and a USB output module; the touch control module is respectively electrically connected with the constant current driving module, the wireless charging module and the USB output module, the touch control module is also electrically connected with an external power supply, the touch control module is used for controlling the operation of the constant current driving module, the wireless charging module is used for wirelessly and quickly charging digital products with a wireless charging function, and the USB output module is used for USB wired charging of the digital products; the constant current driving module is electrically connected with the LED light emitting module, and is used for providing constant current to drive the LED light emitting module to emit light, and the LED light emitting module is used for emitting warm white light or positive white light or light formed by mixing the warm white light and the positive white light.
2. The LED desk lamp with the wireless quick charging function according to claim 1, wherein the wireless charging module comprises a voltage reduction circuit, a main control circuit and an energy conversion circuit; the voltage reduction circuit is electrically connected with the touch control module, the main control circuit and the energy conversion circuit respectively, the main control circuit is also electrically connected with the energy conversion circuit, the voltage reduction circuit is used for providing electric energy required by the work of the main control circuit and the energy conversion circuit, the main control circuit is used for controlling the operation of the energy conversion circuit, and the energy conversion circuit is used for realizing wireless quick charging operation on a digital product with a wireless charging function;
the voltage reduction circuit comprises a power chip U6 and a working circuit thereof, the power chip U6 is electrically connected with the touch control module, the main control circuit and the energy conversion circuit respectively, and the power chip U6 is used for providing electric energy required by the work of the main control circuit and the energy conversion circuit;
the main control circuit comprises a wireless charging control chip U7 and a working circuit thereof, the wireless charging control chip U7 is electrically connected with the power supply chip U6 and the energy conversion circuit respectively, and the wireless charging control chip U7 is used for controlling the operation of the energy conversion circuit;
the energy conversion circuit comprises a wireless charging drive chip U8, a coil CL1 and a working circuit thereof, wherein the wireless charging drive chip U8 is respectively electrically connected with a power supply chip U6, a wireless charging control chip U7 and the coil CL1, and the wireless charging drive chip U8 is used for driving the coil CL1 to wirelessly and rapidly charge a digital product with a wireless charging function.
3. The LED desk lamp with the wireless quick-charging function according to claim 2, wherein the power chip U6 is a buck converter model MP 2225;
the wireless charging control chip U7 adopts a wireless charging IC with the model number D9100;
the wireless charging drive chip U8 adopts a full-bridge driver with the model number of D9015.
4. The LED desk lamp with the wireless quick charging function according to claim 2, wherein the touch control module comprises a power connector J5, a power chip U1, a touch chip U2 and a working circuit thereof; the power supply joint J5 is electrically connected with the external power supply, the constant current driving module, a power supply chip U6 of the wireless charging module, the USB output module and a power supply chip U1 respectively, the power supply chip U1 is also electrically connected with the touch chip U2, and the power supply chip U1 is used for providing electric energy required by the operation of the touch chip U2; the touch chip U2 is further electrically connected to the constant current driving module, the touch chip U2 is further electrically connected to a plurality of touch keys, the touch keys are used for users to trigger different sensing signals, and the touch chip U2 is used for analyzing the sensing signals received by the touch chip U2 and outputting corresponding control signals to the constant current driving module, so that the constant current driving module outputs different currents.
5. The LED desk lamp with the wireless quick charging function according to claim 4, wherein the power chip U1 is a voltage stabilizing chip with model number HT 7136;
the touch chip U2 adopts a capacitive touch chip with the model number HC5F13 NT.
6. The LED desk lamp with the wireless quick charging function according to claim 4, wherein the constant current driving module comprises a first constant current driving unit and a second constant current driving unit, and the LED light emitting module comprises a first light emitting unit and a second light emitting unit; the first constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the first light emitting unit respectively, the first constant current driving unit is used for providing constant current to drive the first light emitting unit to emit light, and the first light emitting unit is used for emitting warm white light; the second constant current driving unit is electrically connected with the power supply connector J5, the touch chip U2 and the second light emitting unit respectively, the second constant current driving unit is used for providing constant current to drive the second light emitting unit to emit light, and the second light emitting unit is used for emitting positive white light.
7. The LED desk lamp with the wireless quick charging function according to claim 6, wherein the first constant current driving unit comprises a constant current driving chip U3, a connector J1 and an operating circuit thereof; the constant current driving chip U3 is electrically connected with the power connector J5, the touch chip U2 and the connector J1 respectively, and the connector J1 is also electrically connected with the first light-emitting unit;
the first light-emitting unit comprises a connector J3 electrically connected with the connector J1 and a plurality of warm white LED modules electrically connected with the connector J3 and arranged in parallel, and each warm white LED module is formed by connecting a plurality of warm white LED lamp beads in series;
the constant current driving chip U3 adopts a constant current driver with the model number PT 4115.
8. The LED desk lamp with the wireless quick charging function according to claim 6, wherein the second constant current driving unit comprises a constant current driving chip U4, a connector J2 and an operating circuit thereof; the constant current driving chip U4 is electrically connected with the power supply connector J5, the touch chip U2 and the connector J2 respectively, and the connector J2 is also electrically connected with the second light emitting unit;
the second light-emitting unit comprises a connector J4 electrically connected with the connector J2 and a plurality of white LED modules electrically connected with the connector J4 and arranged in parallel, and each white LED module is formed by connecting a plurality of white LED lamp beads in series;
the constant current driving chip U4 adopts a constant current driver with the model number PT 4115.
9. The LED desk lamp with the wireless quick charging function according to claim 4, wherein the USB output module comprises a power chip U5, a USB interface USB1 and a working circuit thereof; the power supply chip U5 is electrically connected with the power supply connector J5 and the USB interface USB1 respectively, the power supply chip U5 is used for outputting direct current, and the USB interface USB1 is used for connecting and charging digital products;
the power chip U5 adopts a DC/DC voltage reduction chip with the model of CX 8502.
CN202123164665.0U 2021-12-16 2021-12-16 LED table lamp with wireless quick charging function Active CN216491140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123164665.0U CN216491140U (en) 2021-12-16 2021-12-16 LED table lamp with wireless quick charging function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123164665.0U CN216491140U (en) 2021-12-16 2021-12-16 LED table lamp with wireless quick charging function

Publications (1)

Publication Number Publication Date
CN216491140U true CN216491140U (en) 2022-05-10

Family

ID=81422779

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123164665.0U Active CN216491140U (en) 2021-12-16 2021-12-16 LED table lamp with wireless quick charging function

Country Status (1)

Country Link
CN (1) CN216491140U (en)

Similar Documents

Publication Publication Date Title
CN104427699B (en) LED signal lamp and its LED drive circuit
TWI593311B (en) Light emitting diode power supply device
CN209608362U (en) Outdoor portable power supply with positioning function
CN216491140U (en) LED table lamp with wireless quick charging function
CN101925221A (en) Dimming lamp
CN201937925U (en) LED constant current driver with function of voltage reduction
CN201887980U (en) Dimming lamp
CN213906990U (en) Novel USB interface
CN216491141U (en) LED floor lamp based on infrared remote control and touch control
CN203731191U (en) Multifunctional led desk lamp
CN2926808Y (en) Inductive light
CN216960259U (en) Energy-efficient constant current output work light
CN208175054U (en) A kind of switching logic control LED driver
CN202403037U (en) Improved light-emitting diode (LED) panel light
CN202997614U (en) Portable self-generating lighting and charging mobile power supply
CN203120247U (en) Light emitting diode driving circuit
CN202769508U (en) Lighting device and light-emitting main body thereof
CN202580669U (en) Flashlight
CN202551404U (en) Lighting device
CN202340331U (en) Digital stepless dimmer for LED light source of optical microscope
CN2911403Y (en) Lamp
CN215267725U (en) Multi-voltage charger with lamp
CN204316794U (en) Based on the LED control system of infrared remote control
CN216852424U (en) Double-channel touch hose lamp with USB charging three-gear light modulation and color temperature regulation
CN202197433U (en) Portable light-emitting diode (LED) lighting lamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant