CN211720784U - RGBCW low pressure light modulation device based on AllGo agreement - Google Patents
RGBCW low pressure light modulation device based on AllGo agreement Download PDFInfo
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- CN211720784U CN211720784U CN201922498111.0U CN201922498111U CN211720784U CN 211720784 U CN211720784 U CN 211720784U CN 201922498111 U CN201922498111 U CN 201922498111U CN 211720784 U CN211720784 U CN 211720784U
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Abstract
The utility model discloses an RGBCW low pressure light modulation device based on AllGo agreement, including step-down conversion module, AllGo agreement module to and PWM module of adjusting luminance, step-down conversion module's input end connection circuit power input, output termination AllGo agreement module, the control termination of AllGo agreement module PWM module of adjusting luminance the controlled end of module, control PWM module of adjusting luminance carries out the low pressure and adjusts luminance; the voltage reduction conversion module is used for converting a circuit power supply into a low-voltage power supply to supply power to the AllGo protocol module; the AllGo protocol module is used for outputting a control signal to control the PWM dimming module to perform low-voltage dimming; and the PWM dimming module is used for receiving the control signal from the AllGo protocol module and carrying out low-voltage dimming. The AllGo protocol module controls the PWM dimming module to perform corresponding dimming according to the received control signal, and can be matched with a direct-current power supply to realize wireless remote dimming control.
Description
Technical Field
The utility model relates to an intelligence house field, the more specifically RGBCW low pressure light modulation device based on AllGo agreement that says so.
Background
Dimming of LED illumination is indispensable in the intelligence house, and LED lamp strip is adjusted luminance and is generally adopted the constant voltage mode with the lamp area, and down lamp and dull and stereotyped lamp generally adopt the constant current control mode.
Meanwhile, most of the existing remote control is carried out by using a ZIGBEE protocol, the ZIGBEE protocol is also called a ZigBee and is a wireless network protocol for low-speed short-distance transmission, a medium access layer and a physical layer which adopt IEEE 802.15.4 standard specifications are adopted as a bottom layer, the communication distance of the ZIGBEE protocol is too short, and meanwhile, the power consumption is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide an RGBCW low pressure light modulation device based on AllGo agreement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an RGBCW low-voltage dimming device based on an AllGo protocol comprises a buck conversion module, an AllGo protocol module and a PWM dimming module, wherein the input end of the buck conversion module is connected with the input end of a circuit power supply, the output end of the buck conversion module is connected with the AllGo protocol module, the control end of the AllGo protocol module is connected with the controlled end of the PWM dimming module, and the PWM dimming module is controlled to perform low-voltage dimming;
the voltage reduction conversion module is used for converting a circuit power supply into a low-voltage power supply to supply power to the AllGo protocol module;
the AllGo protocol module is used for outputting a control signal to control the PWM dimming module to perform low-voltage dimming;
and the PWM dimming module is used for receiving the control signal from the AllGo protocol module and carrying out low-voltage dimming.
Further, the step-down conversion module comprises a first-level voltage stabilizing submodule for performing primary voltage reduction on the circuit power supply and a second-level voltage stabilizing submodule for performing secondary voltage reduction on the circuit power supply, the input end of the circuit power supply is connected with the input end of the first-level voltage stabilizing submodule, the output end of the first-level voltage stabilizing submodule is connected with the input end of the second-level voltage stabilizing submodule, and the output end of the second-level voltage stabilizing submodule is connected with the AllGo protocol module.
Further, the primary voltage-stabilizing submodule comprises a primary voltage-stabilizing chip U2, a diode D1, capacitors C1 and C2, the input of a circuit power supply is connected with the anode of the diode D1, the cathode of the diode D1 is connected with the capacitor C1 and the Vin terminal pin of the primary voltage-stabilizing chip U2, the Vout terminal pin of the voltage-stabilizing chip is connected with the first end of the capacitor C2 and the secondary voltage-stabilizing submodule, and the second ends of the capacitors C1 and C2 are grounded.
Further, the secondary voltage-stabilizing sub-module comprises a secondary voltage-stabilizing chip U3, capacitors C3 and C4, wherein Vin terminal pins of the capacitor C3 and the secondary voltage-stabilizing chip U3 are connected with Vout terminal pin of the primary voltage-stabilizing chip U2, Vout terminal pin of the secondary voltage-stabilizing chip U3 is connected with the first end of the capacitor C4 and the AllGo protocol module, and second ends of the capacitors C3 and C4 are grounded.
Further, the diode D1 is a polarity protection diode.
Further, the primary regulator chip U2 is a 78L12 chip, and the secondary regulator chip U3 is an HT7533 chip.
Further, the AllGo protocol module includes a control single chip for processing and issuing control signals, and a wireless transceiver module connected to the control single chip and used for performing wireless communication.
Furthermore, the PWM dimming module includes five driving circuits for adjusting different types of PWM signals, and the driving circuits are connected to corresponding PWM outputs on the AllGo protocol module.
Further, the driving circuit comprises a MOS transistor Q1, a first resistor R1 and a second motor R2, a first end of the first resistor R1 is connected to the PWM output of the AllGo protocol module, a second end of the first resistor R1 is connected to a first end of the second resistor R2, a gate G of a MOS transistor Q1, a source S of the MOS transistor Q1 is grounded, a drain D of the MOS transistor Q1 is connected to the controlled lamp, and a second end of the second resistor R2 is grounded.
Furthermore, the MOS transistor Q1 is an NMOS transistor, and the withstand voltage of the MOS transistor Q1 is more than 30V.
Compared with the prior art, the utility model beneficial effect be: the utility model provides a pair of RGBCW low pressure light modulation device based on AllGo agreement through step-down conversion module with DC power supply through the secondary step-down output 3.3V power for AllGo agreement module power supply, guarantees AllGo agreement module normal use to adjust luminance that the module carries out correspondence according to received control signal control PWM by AllGo agreement module, can cooperate DC power supply LED lamp to carry out wireless remote dimming control.
The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.
Drawings
Fig. 1 is a schematic block diagram of an RGBCW low-voltage dimming device according to the present invention based on the AllGo protocol;
fig. 2 is a circuit connection diagram of a buck conversion module of an RGBCW low-voltage dimming device based on an AllGo protocol according to the present invention;
fig. 3 is an interface circuit diagram of an AllGo protocol module of an RGBCW low-voltage dimming device based on an AllGo protocol according to the present invention;
fig. 4 is a circuit diagram of the driving circuit of the PWM dimming module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; 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 according to specific situations by 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 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 invention. In this specification, the schematic representations of the terms used above should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1-4, the utility model provides a RGBCW low pressure device of adjusting luminance based on AllGo agreement, including step-down conversion module 10, AllGo agreement module 20 to and PWM adjusts luminance module 30, step-down conversion module 10's input end circuit power input, output termination AllGo agreement module 20, the control termination PWM of AllGo agreement module 20 adjusts luminance the controlled end of module 30, and control PWM adjusts luminance module 30 and carries out low pressure and adjusts luminance.
And the voltage reduction conversion module 10 is used for converting the circuit power supply into a low-voltage power supply to supply power to the AllGo protocol module 20. In this embodiment, the buck conversion module 10 may convert the 24V voltage into a 3.3V voltage, and output the 3.3V dc to the AllGo protocol module 20.
In this embodiment, the step-down converting module 10 includes a first-level voltage-stabilizing submodule 11 for performing a first step-down on the circuit power supply and a second-level voltage-stabilizing submodule 12 for performing a second step-down on the circuit power supply, the input of the first-level voltage-stabilizing submodule is connected to the input of the circuit power supply, the input of the second-level voltage-stabilizing submodule is connected to the output of the first-level voltage-stabilizing submodule, and the output of the second-level voltage-stabilizing submodule is connected to the AllGo protocol module 20. Step-down conversion module 10 is used for converting 24V voltage into 3.3V voltage, because the step-down range is too big, through setting up one-level steady voltage submodule 11 to earlier 24V voltage first step-down to carry out secondary step-down through second steady voltage submodule 12 pieces, avoid components and parts to generate heat too seriously, improve the step-down stability
As shown in fig. 2, the primary regulator sub-module includes a primary regulator chip U2, a diode D1, capacitors C1 and C2, a power input of the circuit is connected to an anode of the diode D1, a cathode of the diode D1 is connected to a capacitor C1 and a Vin terminal pin of the primary regulator chip U2, a Vout terminal pin of the regulator chip is connected to a first terminal of the capacitor C2 and the secondary regulator sub-module, and second terminals of the capacitors C1 and C2 are grounded. The primary voltage regulation chip U2 is a 78L12 chip, specifically, a 78L12 chip linear voltage regulation IC, which can bear the input voltage of 38V at the maximum and convert the 24V voltage into 12V to complete the primary voltage reduction.
The secondary voltage-stabilizing submodule comprises a secondary voltage-stabilizing chip U3, capacitors C3 and C4, Vin end pins of the capacitors C3 and the secondary voltage-stabilizing chip U3 are connected with Vout end pins of the primary voltage-stabilizing chip U2, Vout end pins of the secondary voltage-stabilizing chip U3 are connected with a first end of the capacitor C4 and the AllGo protocol module 20, and second ends of the capacitors C3 and C4 are grounded. The secondary regulator chip U3 is an HT7533 chip, and the HT7533 chip may be configured to convert 12V after the primary voltage reduction into 3.3V to power the AllGo protocol module 20.
The diode D1 is a polarity protection diode, which can prevent the buck conversion module 10 from being burned out when the positive and negative polarities are reversed
And the AllGo protocol module 20 is configured to output a control signal to control the PWM dimming module 30 to perform low-voltage dimming.
The AllGo protocol module 20 is a LOMD03-CN chip, the LOMD03-CN chip integrates a wireless transceiver module and a control single chip microcomputer of an AllGo protocol, 256 channels are provided, the frequency is 400-451M, GFSK modulation is adopted, the transmitting power is 20dBm, the receiving sensitivity can reach-120 dBm at most, the air speed is 10K, the module packages the communication protocol, and only a PWM driving part program needs to be rewritten. The control single chip microcomputer is used for processing and issuing control signals, and the wireless receiving and transmitting module is connected to the control single chip microcomputer and used for carrying out wireless communication. The AllGo protocol is an ultra-low power consumption wireless communication protocol, and compared with the ZIGBEE protocol, the AllGo protocol has longer communication distance, stronger penetration capability and lower power consumption.
As shown in FIG. 3, the AllGo protocol module 20 has 5 PWM outputs, wherein P10 corresponds to PWM-R, P00 corresponds to PWM-G, P01 corresponds to PWM-B, P12 corresponds to PWM-C, and P11 corresponds to PWM-W. The PWM adopts 8-bit precision, 256-level dimming (0-255) is realized, and the PWM modulation frequency can be adjusted between about 1K and 10K.
And the PWM dimming module 30 is configured to receive the control signal from the AllGo protocol module 20 and perform low-voltage dimming on the LED lamp.
The PWM dimming module 30 includes five driving circuits 31 for adjusting different types of PWM signals, each driving circuit 31 is connected to a corresponding PWM output of the AllGo protocol module 20, and as described above, the PWM outputs include PWM-R, PWM-G, PWM-B, PWM-C and PWM-W, which can further form C single-tone luminance, CW dimming luminance and color temperature, and RGBW dimming color and luminance and color temperature.
As shown in fig. 4, for the driving circuit 31 connected to the PWM-R output, the driving circuit 31 includes a MOS transistor Q1, a first resistor R1 and a second motor R2, a first end of the first resistor R1 is connected to the PWM output of the AllGo protocol module 20, a second end of the first resistor R1 is connected to a first end of the second resistor R2, and a gate G of a MOS transistor Q1, a source S of the MOS transistor Q1 is grounded, a drain D of the MOS transistor Q1 is connected to the controlled lamp, and a second end of the second resistor R2 is grounded. It should be understood that the driver circuit connected to the PWM-G, PWM-B, PWM-C and PWM-W outputs is the same as the driver circuit 31 of FIG. 4.
The MOS transistor Q1 is an NMOS transistor, and the withstand voltage of the MOS transistor Q1 is more than 30V. If a power supply exceeding 24V is adopted to drive an NMOS tube which needs higher withstand voltage, the current is generally selected to be more than 50A, so that the drive circuit can be ensured not to generate heat, and the use experience is improved.
The utility model provides a pair of RGBCW low pressure device of adjusting luminance based on AllGo agreement through step-down conversion module 10 with DC power supply through the secondary step-down output 3.3V power for AllGo agreement module 20 power supply, guarantees AllGo agreement module 20 normal use to adjust luminance module 30 and carry out corresponding light modulation according to received control signal control PWM by AllGo agreement module 20, can cooperate the DC power supply to carry out wireless remote dimming control to the LED lamp.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The RGBCW low-voltage dimming device based on the AllGo protocol is characterized by comprising a voltage reduction conversion module, an AllGo protocol module and a PWM dimming module, wherein the input end of the voltage reduction conversion module is connected with the input end of a circuit power supply, the output end of the voltage reduction conversion module is connected with the AllGo protocol module, the control end of the AllGo protocol module is connected with the controlled end of the PWM dimming module, and the PWM dimming module is controlled to perform low-voltage dimming;
the voltage reduction conversion module is used for converting a circuit power supply into a low-voltage power supply to supply power to the AllGo protocol module;
the AllGo protocol module is used for outputting a control signal to control the PWM dimming module to perform low-voltage dimming;
and the PWM dimming module is used for receiving the control signal from the AllGo protocol module and carrying out low-voltage dimming.
2. The RGBCW low-voltage dimming device based on the AllGo protocol according to claim 1, wherein the step-down conversion module comprises a primary voltage-stabilizing sub-module for performing primary voltage-reducing on the circuit power supply and a secondary voltage-stabilizing sub-module for performing secondary voltage-reducing on the circuit power supply, an input of the circuit power supply is connected to an input of the primary voltage-stabilizing sub-module, an output of the primary voltage-stabilizing sub-module is connected to an input of the secondary voltage-stabilizing sub-module, and an output of the secondary voltage-stabilizing sub-module is connected to the AllGo protocol module.
3. The RGBCW low-voltage dimming device based on the AllGo protocol of claim 2, wherein the primary regulator sub-module comprises a primary regulator chip U2, a diode D1, capacitors C1 and C2, a circuit power input is connected to an anode of the diode D1, a cathode of the diode D1 is connected to a capacitor C1 and a Vin terminal pin of the primary regulator chip U2, a Vout terminal pin of the regulator chip is connected to a first terminal of the capacitor C2 and a second terminal of the secondary regulator sub-module, and the capacitors C1 and C2 are grounded.
4. The RGBCW low-voltage dimming device based on the AllGo protocol of claim 3, wherein the secondary regulator sub-module comprises a secondary regulator chip U3, capacitors C3 and C4, wherein the Vin terminal pins of the capacitor C3 and the secondary regulator chip U3 are connected to the Vout terminal pin of the primary regulator chip U2, the Vout terminal pin of the secondary regulator chip U3 is connected to the first terminal of the capacitor C4 and the AllGo protocol module, and the second terminals of the capacitors C3 and C4 are connected to ground.
5. The RGBCW low-voltage dimming device based on the AllGo protocol according to claim 3 or 4, wherein the diode D1 is a polarity protection diode.
6. The RGBCW low-voltage dimming device based on the AllGo protocol of claim 4, wherein the primary regulator chip U2 is a 78L12 chip, and the secondary regulator chip U3 is an HT7533 chip.
7. The RGBCW low-voltage dimming device based on the AllGo protocol according to claim 1, wherein the AllGo protocol module comprises a control single chip for processing and issuing a control signal, and a wireless transceiver module connected to the control single chip and used for performing wireless communication.
8. The RGBCW low-voltage dimming device based on AllGo protocol according to claim 1, wherein the PWM dimming module comprises five driving circuits for adjusting different types of PWM signals, and the driving circuits are connected to corresponding PWM outputs of the AllGo protocol module.
9. The RGBCW low-voltage dimming device based on the AllGo protocol of claim 8, wherein the driving circuit comprises a MOS transistor Q1, a first resistor R1 and a second motor R2, a first end of the first resistor R1 is connected to the PWM output of the AllGo protocol module, a second end of the first resistor R1 is connected to a first end of the second resistor R2, a gate G of a MOS transistor Q1, a source S of the MOS transistor Q1 is grounded, a drain D of the MOS transistor Q1 is connected to the controlled lamp, and a second end of the second resistor R2 is grounded.
10. The RGBCW low-voltage dimming device based on the AllGo protocol of claim 9, wherein the MOS transistor Q1 is an NMOS transistor, and a withstand voltage of the MOS transistor Q1 is greater than 30V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498111.0U CN211720784U (en) | 2019-12-31 | 2019-12-31 | RGBCW low pressure light modulation device based on AllGo agreement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498111.0U CN211720784U (en) | 2019-12-31 | 2019-12-31 | RGBCW low pressure light modulation device based on AllGo agreement |
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| CN211720784U true CN211720784U (en) | 2020-10-20 |
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| CN201922498111.0U Expired - Fee Related CN211720784U (en) | 2019-12-31 | 2019-12-31 | RGBCW low pressure light modulation device based on AllGo agreement |
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Granted publication date: 20201020 |