CN211207055U

CN211207055U - Independent light source control module of projector

Info

Publication number: CN211207055U
Application number: CN201921940980.8U
Authority: CN
Inventors: 孔见见; 李龙
Original assignee: Suzhou Lemeng Photoelectric Technology Co ltd
Current assignee: Suzhou Lemeng Photoelectric Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-07
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to an independent light source control module of projector, the output of direct current input module is connected with collection module's input, collection module's first output is connected with the first input of MCU module, collection module's second output respectively with TEC refrigeration control module, water-cooled machine drive module, L aser drive module and the first input of PW motor drive module are connected, TEC refrigeration control module, water-cooled machine drive module, L aser drive module and PW motor drive module's output is connected with the input of protection detection module, the output of protection detection module is connected with the second input of MCU module, the output of MCU module is connected with TEC refrigeration control module respectively, water-cooled machine drive module, L aser drive module and PW motor drive module's second input.

Description

Independent light source control module of projector

Technical Field

The utility model relates to a projector correlation technique field especially relates to a projector independent light source control module.

Background

Projectors, also called projectors, are devices that can project images or videos onto a screen and can be connected to computers, VCDs, DVDs, BDs, game machines, DVs, etc. through different interfaces to play corresponding video signals, and projectors are widely used in homes, offices, schools, and entertainment places, and there are different types of CRT, &lttttranslation = L "&tttl &/t &tttcd, D L P, etc. according to the operation mode.

The projector in the prior art relies on the constraint of a mainboard control lighting signal, and can not realize the lighting by separating from the mainboard. The existing projector can be lighted up after being started up and detected, the projector completely depends on the control of a projector mainboard, the projector needs to be driven to light up by depending on the mainboard, and the brightness adjustment needs to be realized by depending on the mainboard.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an independent light source control module for a projector, so that the independent light source control module has industrial application value.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide an independent light source control module for a projector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a projector independent light source control module, including direct current input module, the collection module, the MCU module, protection detection module, TEC refrigeration control module, water-cooling motor drive module, L aser drive module and PW motor drive module, the output of direct current input module is connected with the input of collection module, the first output of collection module is connected with the first input of MCU module, the second output of collection module is connected with TEC refrigeration control module, water-cooling motor drive module, L aser drive module and PW motor drive module first input respectively, TEC refrigeration control module, water-cooling motor drive module, L aser drive module and PW motor drive module's output is connected with protection detection module's input, protection detection module's output is connected with the second input of MCU module, the output of MCU module is connected with TEC refrigeration control module, water-cooling motor drive module, L aser drive module and PW motor drive module's second input respectively.

As a further improvement, the utility model also comprises a brightness adjustment module, and the output end of the brightness adjustment module is connected with the third input end of the MCU module.

As the further improvement of the utility model, the chip model of the MCU module is STM32F407 VETX.

As a further improvement of the utility model, the collection module is a DCDC collection module.

As a further improvement of the utility model, the collection module is L DO collection module.

As the utility model discloses a further improvement, TEC refrigeration control module includes TEC refrigeration piece controller, and the MCU module is connected with TEC refrigeration piece controller through UART1 or serial ports data communication TT L mode.

As the utility model discloses a further improvement, water cooled machine drive module includes the brushless water cooled machine driver of DC12V three-phase, and the MCU module is connected with the brushless water cooled machine driver of DC12V three-phase through motor interface.

As a further improvement of the utility model, the L aser drive module comprises a L aser driver, and the MCU module is connected with the L aser driver through TT L level control.

As a further improvement of the utility model, the PW motor drive module includes three-phase four-wire PW motor driver, and the MCU module is connected with three-phase four-wire PW motor driver through the PWM motor drive interface.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the existing projector control mainly depends on a main board of the projector to realize control and drive of each signal of the projector, and once a machine program or a main board switch is aged and has poor contact, the projector cannot be lighted.

The light source control of the existing laser projector mainly depends on the mainboard for controlling lighting, and the utility model can be separated from the mainboard for carrying out the autonomous lighting control of safety detection; the brightness of the existing laser light source is mainly adjusted by software through a mainboard, and the utility model can be adjusted by a change-over switch for separating from the mainboard; the utility model discloses laser light source controller can the independent operation, has advantages such as the integrated little, the autonomous working, need not rely on mainboard communication than the mainboard.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an independent light source control module of a projector according to the present invention;

FIG. 2 is a schematic diagram of the circuit structure of the MCU module in FIG. 1;

fig. 3 is a schematic circuit structure diagram of a part of circuit modules of an independent light source control module of a projector according to the present invention;

FIG. 4 is a schematic diagram of the circuit structure of the L DO acquisition module;

fig. 5 is a schematic circuit structure diagram of the PW motor driving module in fig. 1.

In the drawings, the meanings of the reference numerals are as follows.

1 DC input module 2 acquisition module

3 brightness adjusting module 4 MCU module

5 protection detection module 6 TEC refrigeration control module

7 water-cooled motor driving module 8L aser driving module

9 PW motor drive module 21 DCDC acquisition module

22L DO acquisition module

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in figures 1 to 5 of the drawings,

as shown in fig. 1, an independent light source control module of a projector includes a dc input module 1, an acquisition module 2, an MCU module 4, a protection detection module 5, a TEC refrigeration control module 6, a water-cooling motor drive module 7, L aser drive module 8 and a PW motor drive module 9, an output end of the dc input module 1 is connected to an input end of the acquisition module 2, a first output end of the acquisition module 2 is connected to a first input end of the MCU module 4, a second output end of the acquisition module 2 is connected to the TEC refrigeration control module 6, the water-cooling motor drive module 7, L aser drive module 8 and a first input end of the PW motor drive module 9, an output end of the TEC refrigeration control module 6, the water-cooling motor drive module 7, L aser drive module 8 and the PW motor drive module 9 is connected to an input end of the protection detection module 5, an output end of the protection detection module 5 is connected to a second input end of the MCU module 4, and an output end of the MCU module 4 is connected to the TEC refrigeration control module 6, the water-cooling motor drive module 7, the L aser drive module 8 and a second input.

The DC input module 1 is specifically a DC-IN DC power input device.

Preferably, the device further comprises a brightness adjusting module 3, and an output end of the brightness adjusting module 3 is connected with a third input end of the MCU module 4. More preferably, the brightness adjusting module 3 is a brightness adjusting knob device.

As shown in fig. 2, the MCU module 4 preferably has a chip model of STM32F407 VETX.

Preferably, the acquisition module 2 is a DCDC acquisition module 21. DCDC means, among others, a dc-to-dc (conversion of different dc power supply values), and is called DCDC converter as long as this definition is met. Specifically, the input direct current is converted into alternating current through a self-excited oscillation circuit, and then the alternating current is converted into direct current for output after the voltage is changed through a transformer, or the alternating current is converted into high-voltage direct current for output through a voltage doubling rectifying circuit.

Preferably, the acquisition module 2 is L DO acquisition module 22, where L DO is a linear regulator that uses a transistor or Field Effect Transistor (FET) operating in its saturation region to subtract excess voltage from the applied input voltage to produce a regulated output voltage, the droop voltage refers to the minimum of the difference between the input voltage and the output voltage required by the regulator to maintain the output voltage within 100mV above and below its nominal value, the positive output voltage L DO (low droop) regulator typically uses a power transistor (also known as a pass device) as the PNP, which allows saturation so the regulator can have a very low droop voltage, typically around 200mV, compared to the droop of a conventional linear regulator that uses a composite power transistor, the negative output L DO uses an NPN as its pass device, which operates in a mode similar to the positive output L PNP device.

Preferably, TEC refrigeration control module 6 includes TEC refrigeration piece controller, and MCU module 4 is connected with TEC refrigeration piece controller through UART1 or serial ports data communication TT L mode the utility model discloses can break away from TEC refrigeration piece controller of projector mainboard independent control.

Preferably, the water-cooled motor driving module 7 comprises a DC12V three-phase brushless water-cooled motor driver, and the MCU module 4 is connected to the DC12V three-phase brushless water-cooled motor driver through a motor interface.

Preferably, the L aser driver module 8 comprises a L aser driver, and the MCU module 4 is connected with the L aser driver by means of TT L level control.

As shown in fig. 5, preferably, the PW motor driving module 9 includes a three-phase four-wire PW motor driver, and the MCU module 4 is connected to the three-phase four-wire PW motor driver through a PWM motor driving interface. The utility model discloses can break away from projector mainboard independent drive PW fluorescence wheel motor has. Wherein, the chip model of the PW motor driving module 9 is TDA 5145.

As shown in fig. 3, the protection detection module 5 is preferably a detection resistor F2 with a current of 5A.

The utility model provides a rely on the complete set of control of projector mainboard control to become independent module, have independent cooling system independent operation not to rely on mainboard system independent work, do not receive the mainboard influence.

The utility model discloses the singlechip detects after the start, breaks away from projector motherboard control completely, can break away from the mainboard completely and can light a lamp, can break away from the mainboard, realizes luminance three fender adjustments.

The utility model discloses can break away from the light source control module of projector mainboard independent work, can break away from projector mainboard independent drive PW fluorescence wheel motor, can break away from the TEC refrigeration piece controller of projector mainboard independent control.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an independent light source control module of projector, its characterized in that, including direct current input module (1), collection module (2), MCU module (4), protection detection module (5), TEC refrigeration control module (6), water-cooled machine drive module (7), L aser drive module (8) and PW motor drive module (9), the output of direct current input module (1) is connected with the input of collection module (2), the first output of collection module (2) is connected with the first input of MCU module (4), the second output of collection module (2) is connected with the input of TEC refrigeration control module (6), water-cooled machine drive module (7), L aser drive module (8) and PW motor drive module (9) first input respectively, the output of TEC refrigeration control module (6), water-cooled machine drive module (7), L aser drive module (8) and PW motor drive module (9) is connected with the input of protection detection module (5), the output and the second input of protection detection module (5) and water-cooled machine drive module (4), the output of TEC refrigeration control module (35) are connected with the MCU module (35), the water-cooled machine drive module (9) and the output is connected with the input of MCU module (9) respectively.

2. The independent light source control module of claim 1, further comprising a brightness adjustment module (3), wherein an output terminal of the brightness adjustment module (3) is connected to a third input terminal of the MCU module (4).

3. The independent light source control module of projector as claimed in claim 1, wherein the chip model of the MCU module (4) is STM32F407 VETX.

4. A projector independent light source control module as claimed in claim 1, characterized in that said acquisition module (2) is a DCDC acquisition module (21).

5. The projector independent light source control module as claimed in claim 1, wherein said acquisition module (2) is an L DO acquisition module (22).

6. The projector independent light source control module as claimed in claim 1, wherein the TEC refrigeration control module (6) comprises a TEC refrigeration plate controller, and the MCU module (4) is connected to the TEC refrigeration plate controller via UART1 or serial data communication TT L.

7. The independent light source control module of claim 1, wherein the water-cooled motor driving module (7) comprises a DC12V three-phase brushless water-cooled motor driver, and the MCU module (4) is connected to the DC12V three-phase brushless water-cooled motor driver through a motor interface.

8. The projector independent light source control module as claimed in claim 1, wherein said L aser driver module (8) includes a L aser driver, and said MCU module (4) is connected to the L aser driver by TT L level control.

9. The projector independent light source control module as claimed in claim 1, wherein said PW motor driving module (9) comprises a three-phase four-wire PW motor driver, and said MCU module (4) is connected to the three-phase four-wire PW motor driver through a PWM motor driving interface.