CN219499254U

CN219499254U - Fan lamp

Info

Publication number: CN219499254U
Application number: CN202223002663.6U
Authority: CN
Inventors: 张留鹏; 刘毓森; 黄夏清; 朱尧尧
Original assignee: Shenzhen Waterward Information Co Ltd
Current assignee: Shenzhen Waterward Information Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-08-08
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a fan lamp, comprising: the fan lamp comprises a fan lamp main body, a circuit board, a motor control module, a motor driving module and an alternating current motor; the circuit board and the alternating current motor are arranged in the fan lamp main body; the motor control module and the motor driving module are arranged on the circuit board; the motor control module is electrically connected with the alternating current power supply; the motor control module is electrically connected with the motor driving module; the alternating current motor is electrically connected with the motor driving module; the motor control module is used for controlling the motor driving module to drive the alternating current motor to run. The motor control module can use alternating current signals, components for converting alternating current into direct current are not needed to be arranged on the alternating current power supply and the motor control module, a large amount of space is saved, the motor control module is electrically connected with the motor driving module, and the motor control module and the motor driving module are placed on the same circuit board, so that space can be saved.

Description

Fan lamp

Technical Field

The utility model relates to the field of illumination, in particular to a fan lamp.

Background

Fan lamps are household appliances that integrate fans and lighting fixtures together, with increasing use. The fan lamp can realize the function of illumination through the illumination lamp structure in the fan lamp, and can also realize the function of cooling and relieving summer heat through the fan structure. When a fan structure in a fan lamp is required to be used, a microcontroller and a driving chip are required to receive signals and drive a motor in the fan structure to operate according to the signals. Generally, the microcontroller and the driving chip can only use low-voltage direct current alternating current, and the household electricity is alternating current, so that the input alternating current is converted into direct current by utilizing components such as a safety circuit, a rectifier bridge and the like, and then the converted direct current is input into the microcontroller and the driving chip, and the microcontroller and the driving chip can normally operate. As described in patent CN217335982U, a fan lamp control circuit comprises: and the filtering rectification circuit is used for converting the commercial alternating current into high-voltage direct current. Thus, the whole circuit needs more components, and more components occupy the space inside the fan lamp.

Disclosure of Invention

The main purpose of the present utility model is to provide a fan lamp, which aims to solve the problem that more components occupy too much internal space of the fan lamp.

The utility model discloses the following technical scheme:

a fan lamp, comprising: the fan lamp comprises a fan lamp main body, a circuit board, a motor control module, a motor driving module and an alternating current motor;

the circuit board and the alternating current motor are arranged in the fan lamp main body;

the motor control module and the motor driving module are arranged on the circuit board;

the motor control module is electrically connected with an alternating current power supply;

the motor control module is electrically connected with the motor driving module;

the alternating current motor is electrically connected with the motor driving module;

the motor control module is used for controlling the motor driving module to drive the alternating current motor to run.

Further, the motor control module comprises a single-phase induction motor controller;

and the left upper tube gate electrode driving pin, the left lower tube gate electrode driving pin, the right lower tube gate electrode driving pin and the right upper tube gate electrode driving pin of the single-phase induction motor controller are respectively and electrically connected with the motor driving module.

Further, the motor driving module comprises a first MOS module, a second MOS module, a third MOS module and a fourth MOS module;

the first end of the first MOS module is electrically connected with the anode of the alternating current power supply, the second end of the first MOS module is connected with the first end of the second MOS module, and the third end of the first MOS module is electrically connected with the gate driving pin of the right upper tube;

the second end of the second MOS module is connected with the first end of the third MOS module, and the third end of the second MOS module is electrically connected with the right lower tube gate driving pin;

the second end of the third MOS module is connected with the first end of the fourth MOS module, and the third end of the third MOS module is electrically connected with the left lower tube gate driving pin;

the second end of the fourth MOS module is electrically connected with the negative electrode of the alternating current power supply, and the third end of the fourth MOS module is electrically connected with the left upper tube gate driving pin.

Further, the first MOS module comprises a first field effect transistor, a first resistor, a second resistor and a third resistor;

the drain electrode of the first field effect transistor is electrically connected with the first end of the first resistor, the second end of the first resistor is electrically connected with the anode of the alternating current power supply,

the grid electrode of the first field effect transistor is electrically connected with the first end of the second resistor to form a first node, and the second end of the second resistor is electrically connected with the gate electrode driving pin of the right upper tube;

the first end of the third resistor is electrically connected with the first node, and the second end of the third resistor is electrically connected with the source electrode of the first field effect transistor to form a second node;

the second node is electrically connected with the first end of the second MOS module.

Further, the second MOS module comprises a second field effect transistor, a fourth resistor and a fifth resistor;

the drain electrode of the second field effect transistor is electrically connected with the second node;

the grid electrode of the second field effect transistor is electrically connected with the first end of the fourth resistor to form a third node, and the second end of the fourth resistor is electrically connected with the right lower tube gate electrode driving pin;

the first end of the fifth resistor is electrically connected with the third node, and the second end of the fifth resistor is electrically connected with the source electrode of the second field effect transistor to form a fourth node;

the fourth node is electrically connected with the first end of the third MOS module.

Further, the third MOS module comprises a third field effect transistor, a sixth resistor and a seventh resistor;

the drain electrode of the third field effect transistor is electrically connected with the first end of the fourth MOS module;

the grid electrode of the third field effect transistor is electrically connected with the first end of the sixth resistor to form a fifth node, and the second end of the sixth resistor is electrically connected with the left lower tube gate electrode driving pin;

the first end of the seventh resistor is electrically connected with the fifth node, and the second end of the seventh resistor is electrically connected with the source electrode of the third field effect transistor to form a sixth node;

the sixth node is electrically connected with the fourth node.

Further, the fourth MOS module comprises a fourth field effect transistor, an eighth resistor, a ninth resistor and a tenth resistor;

the grid electrode of the fourth field effect transistor is electrically connected with the first end of the eighth resistor to form a seventh node, and the second end of the eighth resistor is electrically connected with the gate electrode driving pin of the right lower tube;

the first end of the ninth resistor is electrically connected with the seventh node, and the second end of the ninth resistor is electrically connected with the source electrode of the fourth field effect transistor to form an eighth node;

the eighth node is electrically connected with the drain electrode of the third field effect transistor;

the drain electrode of the fourth field effect transistor is electrically connected with the first end of the tenth resistor, and the second end of the tenth resistor is electrically connected with the negative electrode of the alternating current power supply.

Further, the system also comprises a WIFI module;

the WIFI module is arranged on the circuit board;

the WIFI module is electrically connected with an external speed regulation input pin of the single-phase induction motor controller;

the WIFI module is used for transmitting signals to the single-phase induction motor controller.

Further, the motor further comprises an eleventh resistor, one end of the eleventh resistor is electrically connected with the single-phase induction motor controller, and the other end of the eleventh resistor is electrically connected with the WIFI module.

The beneficial effects are that:

in the utility model, the motor control module can use alternating current signals, components for converting alternating current into direct current are not required to be arranged on the alternating current power supply and the motor control module, a large amount of space is saved, and the motor control module drives the alternating current motor to operate by controlling the motor driving module. The motor control module is electrically connected with the motor driving module, the motor control module and the motor driving module are placed on the same circuit board, and space can be saved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fan lamp according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing an internal structure of a fan lamp according to an embodiment of the present utility model;

fig. 3 is a circuit schematic of a motor driving module of a fan lamp according to an embodiment of the present utility model.

Wherein: 1. a fan lamp body; 2. a circuit board; 10. a first MOS module; 20. a second MOS module; 30. a third MOS module; 40. a fourth MOS module; r1, a first resistor; r2, a second resistor; r3, a third resistor; r4, a fourth resistor; r5, a fifth resistor; r6, a sixth resistor; r7, a seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; q1, a first field effect transistor; q2, a second field effect transistor; q3, a third field effect transistor; q4, a fourth field effect transistor.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless specifically defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

In one embodiment, as illustrated in fig. 1 and 2, comprises: the fan lamp comprises a fan lamp main body 1, a circuit board 2, a motor control module, a motor driving module and an alternating current motor;

the circuit board 2 and the alternating current motor are arranged in the fan lamp main body 1;

the motor control module and the motor driving module are arranged on the circuit board 2;

the motor driving module is electrically connected with the motor control module;

In the embodiment, the motor control module can use an alternating current signal, components for converting alternating current into direct current are not required to be arranged on the alternating current power supply and the motor control module, a large amount of space is saved, and the motor control module drives the alternating current motor to operate by controlling the motor driving module. The motor control module is electrically connected with the motor driving module, and the motor control module and the motor driving module are placed on the same circuit board 2, so that the space can be saved.

In the prior art, an MCU controller and a driving chip are used to drive a motor in a fan lamp, but the MCU controller and the driving chip can only use low-voltage dc signals, and the power used in the home is ac, so that the ac needs to be converted into dc, generally, an ampere circuit and a rectifier bridge formed by filters are used to convert the ac into dc, and then the dc provides power for the MCU controller and the driving chip. In this way, the safety circuit and the filter are required to be arranged in the fan lamp, and too many electronic components are required to be carried by the larger circuit board 2, so that the usable area of other devices is reduced, the circuit is complex, and errors are easy to occur.

The motor control module can be used for directly utilizing alternating current at present, and a device for converting the alternating current into direct current is not needed, so that compared with the prior art, the scheme of the application can reduce the area of the circuit board 2, leave space for other devices, and can reduce the size of the fan lamp if required.

In one embodiment, the motor control module includes a single phase induction motor controller;

In the above embodiment, the single-phase induction motor controller is a controller based on a direct ac-ac converter architecture, which can realize a stepless speed regulation scheme of a single-phase ac motor with high power density, high efficiency, high power factor and low harmonic. The control algorithm of the single-phase alternating current motor is built in, the high-voltage self-power supply function is integrated, and the high-voltage bootstrap diode is built in, so that the high-voltage half-bridge driving is realized. Support a plurality of speed regulation modes: PWM, voltage/resistance and optocoupler speed regulation, and simultaneously provides power grid voltage synchronous detection signal output. The integrated protection functions comprise VDD under-voltage protection (UVLO), internal overheat protection, cycle-by-cycle current limitation, external adjustable overheat protection (OTP), bridge arm-to-bridge and bridge arm-to-ground short protection and the like. The single-phase induction motor controller is electrically connected with the motor driving module through a left upper tube gate driving pin, a left lower tube gate driving pin, a right lower tube gate driving pin and a right upper tube gate driving pin so as to control the motor driving module.

As shown in fig. 3, in an embodiment, the motor driving module includes a first MOS module 10, a second MOS module 20, a third MOS module 30, and a fourth MOS module 40;

the first end of the first MOS module 10 is electrically connected to the positive electrode of the ac power supply, the second end is connected to the first end of the second MOS module 20, and the third end is electrically connected to the gate driving pin of the right upper tube;

a second end of the second MOS module 20 is connected to the first end of the third MOS module 30, and a third end is electrically connected to the right lower gate driving pin;

the second end of the third MOS module 30 is connected to the first end of the fourth MOS module 40, and the third end is electrically connected to the left lower gate driving pin;

the second end of the fourth MOS module 40 is electrically connected to the negative electrode of the ac power supply, and the third end is electrically connected to the gate driving pin of the left upper tube.

In the above embodiment, the first MOS module 10, the second MOS module 20, the third MOS module 30, and the fourth MOS module 40 regulate the ac motor under the control of the single-phase induction motor controller. And can control the on-off of the AC motor, the AC motor is used for driving the fan structure to run. Thus, the on/off of the fan structure in the fan lamp can be controlled. And simultaneously, the phase modulation can be carried out on the input electric signal.

As shown in fig. 3, in an embodiment, the first MOS module 10 includes a first field effect transistor Q1, a first resistor R1, a second resistor R2, and a third resistor R3;

the drain electrode of the first field effect transistor Q1 is electrically connected with the first end of the first resistor R1, the second end of the first resistor R1 is electrically connected with the anode of the alternating current power supply,

the grid electrode of the first field effect transistor Q1 is electrically connected with the first end of the second resistor R2 to form a first node, and the second end of the second resistor R2 is electrically connected with the gate electrode driving pin of the right upper tube;

the first end of the third resistor R3 is electrically connected with the first node, and the second end of the third resistor R3 is electrically connected with the source electrode of the first field effect transistor Q1 to form a second node;

the second node is electrically connected to the first end of the second MOS module 20.

In the above embodiment, the first resistor R1, the second resistor R2, and the third resistor R3 may be 0603 type resistors.

As shown in fig. 3, in an embodiment, the second MOS module 20 includes a second fet Q2, a fourth resistor R4, and a fifth resistor R5;

the drain electrode of the second field effect transistor Q2 is electrically connected with the second node;

the grid electrode of the second field effect transistor Q2 is electrically connected with the first end of the fourth resistor R4 to form a third node, and the second end of the fourth resistor R4 is electrically connected with the right lower tube gate electrode driving pin;

the first end of the fifth resistor R5 is electrically connected with the third node, and the second end of the fifth resistor R5 is electrically connected with the source electrode of the second field effect transistor Q2 to form a fourth node;

the fourth node is electrically connected to the first end of the third MOS module 30.

In the above embodiment, the connection relationship of the second field effect transistor Q2, the third field effect transistor, the fourth resistor R4, and the fifth resistor R5 is as described above. Specifically, the fourth resistor R4 and the fifth resistor R5 may be 0603 type resistors.

As shown in fig. 3, in an embodiment, the third MOS module 30 includes a third fet Q3, a sixth resistor R6, and a seventh resistor R7;

the drain electrode of the third field effect transistor Q3 is electrically connected to the first end of the fourth MOS module 40;

the grid electrode of the third field effect transistor Q3 is electrically connected with the first end of the sixth resistor R6 to form a fifth node, and the second end of the sixth resistor R6 is electrically connected with the left lower tube gate electrode driving pin;

the first end of the seventh resistor R7 is electrically connected with the fifth node, and the second end of the seventh resistor R7 is electrically connected with the source electrode of the third field effect transistor Q3 to form a sixth node;

the sixth node is electrically connected with the fourth node.

In the above embodiment, the connection relationship among the third fet Q3, the sixth resistor R6, the seventh resistor R7, and the fourth fet Q4 is as described above. Specifically, the sixth resistor R6 and the seventh resistor R7 may be 0603 type resistors.

As shown in fig. 3, in an embodiment, the fourth MOS module 40 includes a fourth fet Q4, an eighth resistor R8, a ninth resistor R9, and a tenth resistor R10;

the grid electrode of the fourth field effect transistor Q4 is electrically connected with the first end of the eighth resistor R8 to form a seventh node, and the second end of the eighth resistor R8 is electrically connected with the right lower tube gate electrode driving pin;

the first end of the ninth resistor R9 is electrically connected with the seventh node, and the second end of the ninth resistor R9 is electrically connected with the source electrode of the fourth field effect transistor Q4 to form an eighth node;

the eighth node is electrically connected with the drain electrode of the third field effect transistor Q3;

the drain electrode of the fourth fet Q4 is electrically connected to the first end of the tenth resistor R10, and the second end of the tenth resistor R10 is electrically connected to the negative electrode of the ac power supply.

In the above embodiment, the connection relationship among the fourth field effect transistor Q4, the eighth resistor R8, the ninth resistor R9, the tenth resistor R10 is as described above. Specifically, the eighth resistor R8, the ninth resistor R9, and the tenth resistor R10 may be 0603 type resistors.

In an embodiment, the system further comprises a WIFI module;

the WIFI module is arranged on the circuit board 2;

In the above embodiment, the WIFI modules are also disposed on the same circuit board 2, so that space is saved. The WIFI module can transmit PWM signals to the single-phase induction motor controller, and the single-phase induction motor controller controls the motor driving module to drive the alternating current motor according to the PWM signals after receiving the PWM signals. In addition, the WIFI module does not need to output a plurality of PWM signals, and only needs to output one PWM signal, so that the single-phase induction motor controller can receive signals of the WIFI module. The single-phase induction motor controller can receive signals more sensitively and respond to the signals more accurately and rapidly.

In an embodiment, the device further includes an eleventh resistor, one end of the eleventh resistor is electrically connected to the single-phase induction motor controller, and the other end of the eleventh resistor is electrically connected to the WIFI module.

In the above embodiment, the protection of the single-phase induction motor controller can be performed by the eleventh resistor. Specifically, the eleventh resistor may be a 0603 model resistor.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims

1. A fan light, comprising: the fan lamp comprises a fan lamp main body, a circuit board, a motor control module, a motor driving module and an alternating current motor;

2. The fan light of claim 1 wherein the motor control module comprises a single phase induction motor controller;

3. The fan lamp of claim 2, wherein the motor driving module includes a first MOS module, a second MOS module, a third MOS module, and a fourth MOS module;

4. The fan lamp of claim 3 wherein the first MOS module comprises a first field effect transistor, a first resistor, a second resistor, and a third resistor;

5. The fan lamp of claim 4 wherein the second MOS module comprises a second field effect transistor, a fourth resistor, and a fifth resistor;

6. The fan lamp of claim 5 wherein the third MOS module comprises a third field effect transistor, a sixth resistor, and a seventh resistor;

the sixth node is electrically connected with the fourth node.

7. The fan lamp of claim 6 wherein the fourth MOS module comprises a fourth field effect transistor, an eighth resistor, a ninth resistor, and a tenth resistor;

8. The fan light of claim 2, further comprising a WIFI module;

the WIFI module is arranged on the circuit board;

9. The fan lamp of claim 8, further comprising an eleventh resistor having one end electrically connected to the single-phase induction motor controller and the other end electrically connected to the WIFI module.