CN209914142U - Compact cabinet type 36-channel DMX constant-current/constant-voltage driver - Google Patents
Compact cabinet type 36-channel DMX constant-current/constant-voltage driver Download PDFInfo
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- CN209914142U CN209914142U CN201920383518.6U CN201920383518U CN209914142U CN 209914142 U CN209914142 U CN 209914142U CN 201920383518 U CN201920383518 U CN 201920383518U CN 209914142 U CN209914142 U CN 209914142U
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Abstract
The utility model discloses a compact cabinet 36-channel DMX constant current/constant voltage driver, which comprises a shell, wherein the front panel of the shell is provided with a display screen, a DMX512 address selection dial plate, a dial switch and an indicator light; the rear panel is provided with a DMX512 signal input port, a DMX512 signal output port, a voltage input control port and two layers of 3-6 output sockets; a circuit main board is arranged in the shell, a DMX512 input port/voltage input control port inputs DMX512 signals/voltage control signals to the circuit main board, the circuit main board obtains controlled address, channel and brightness information according to the input control signals, outputs 36 paths of PWM control signals, and outputs the signals to the lamp set through corresponding constant current/constant voltage driving chips. The utility model discloses a compact cabinet type structure, convenient production, installation.
Description
Technical Field
The utility model relates to a DMX constant current/constant voltage driver field especially indicates a 36 passageway DMX constant current/constant voltage driver of compact type cabinet type.
Background
The common multi-channel DMX constant current/constant voltage driver has different volume sizes due to different manufacturers, is inconvenient to produce, install and use and has no standard model.
SUMMERY OF THE UTILITY MODEL
The utility model provides a 36 passageway DMX constant current/constant voltage driver of compact rack formula adopts the design of standard rack formula, convenient production, installation.
The technical scheme of the utility model is realized like this:
a compact cabinet type 36-channel DMX constant current/constant voltage driver comprises a shell, wherein a display screen, a DMX512 address selection dial plate, a dial switch and an indicator light are arranged on a front panel of the shell; the rear panel is provided with a DMX512 signal input port, a DMX512 signal output port, a voltage input control port and two layers of 3-6 output sockets; the circuit is characterized in that a circuit main board is arranged in the shell, the DMX512 input port/voltage input control port inputs DMX512 signals/voltage control signals to the circuit main board, the circuit main board obtains controlled address, channel and brightness information according to the input control signals, outputs 36 paths of PWM control signals, and outputs the signals to the lamp group through corresponding constant current/constant voltage driving chips.
Preferably, the housing is a rectangular parallelepiped.
Preferably, the housing has dimensions of 480mm long, 450mm wide and 50mm high.
Preferably, the dial switch is a 2-bit dial switch.
Preferably, the voltage input control port inputs 1-10V control voltage.
Preferably, the DMX512 signal input port and the DMX512 signal output port are connected with a 485 chip, and the 485 chip is connected with the MCU.
Preferably, the voltage input control port is connected with a voltage division isolation circuit, and an output end of the voltage division isolation circuit is connected with the MCU.
Preferably, a power input socket and a main power switch are further arranged on the right side of the rear panel of the shell.
Preferably, a fan is arranged in the shell, and the front panel and the rear panel of the shell are provided with heat dissipation holes.
Preferably, the DMX512 signal input port, the DMX512 signal output port and the voltage input control port are of a phoenix plug or RJ45 type.
The beneficial effects of the utility model reside in that: and the standard cabinet type design is adopted, so that the production and the installation are convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a front panel structure of a compact cabinet 36-channel DMX constant current/constant voltage driver housing according to the present invention;
fig. 2 is a schematic diagram of a rear panel structure of a compact cabinet 36-channel DMX constant current/constant voltage driver housing according to the present invention;
FIG. 3 is one of the schematic circuit diagrams of the present invention;
fig. 4 is a second schematic circuit diagram of the present invention;
fig. 5 is a third schematic circuit diagram of the present invention;
fig. 6 is a fourth schematic circuit diagram of the present invention.
In the figure, 1-dial switch; 2-DMX512 address selection dial; 3-an output socket; 4-DMX512 signal input port; 5-DMX512 signal output port; 6-voltage input control port; 7-power input socket; 8-heat dissipation holes; 9-an indicator light; 10-a display screen; 11-main power switch.
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 a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides a compact cabinet 36-channel DMX constant current/constant voltage driver, which comprises a housing, wherein a front panel of the housing is provided with a 3-bit display screen 10, a DMX512 address selection dial 2, a dial switch 1 and an indicator light 9; the rear panel is provided with a DMX512 signal input port 4, a DMX512 signal output port 5, a voltage input control port 6 and two layers of output sockets 3 by 6; the circuit is characterized in that a circuit main board is arranged in the shell, a DMX512 input port/voltage input control port 6 inputs DMX512 signals/voltage control signals to the circuit main board, the circuit main board obtains controlled address, channel and brightness information according to the input control signals, outputs 36 paths of PWM control signals, and outputs the signals to the lamp group through corresponding constant current/constant voltage driving chips. The dial switch 1 is a 2-bit dial switch 1. The customer can select any channel to output through the dial switch 1, and the DMX512 address selection dial 2 has the functions of setting DMX address and switching the working mode of the driver.
The shell is a cuboid. The size of the shell is 480mm long, 450mm wide and 50mm high. The utility model is in a flat rectangle and has small volume. The right side of the rear panel of the shell is also provided with a power input socket 7 and a main power switch 11. The casing is internally provided with a fan, and the front panel and the rear panel of the casing are both provided with heat dissipation holes 8.
The voltage input control port 6 inputs 1-10V control voltage. The DMX512 signal input port 4, the DMX512 signal output port 5 are connected with the 485 chip, and the 485 chip is connected with the MCU. The voltage input control port 6 is connected with a voltage division isolation circuit, and the output end of the voltage division isolation circuit is connected with the MCU.
The working principle is as follows: and after the input DMX512 signal or the 1-10V control quantity is interpreted, the output duty ratio of the corresponding channel is controlled in real time.
The working process is as follows: the input DMX512 signal is differentially received by a DMX interface through a 485IC and then output to an MCU for processing, 1-10V voltage input is also output to the MCU after voltage division and isolation, the MCU obtains control address, channel and brightness information according to the input control signal, outputs 36 paths of PWM control signals and outputs the signals to a lamp group through a corresponding constant current/constant voltage driving chip to complete the whole control process. In the figure, 1 MCU outputs 9 paths of PWM control signals, therefore, the number of the MCUs is 4, and the circuits of 4 MCUs are similar. In the constant current driving mode, the constant current driving circuit shown in fig. 5 is used, the number of the constant current driving chips shown in fig. 5 is 2, 36 constant current driving chips are provided, and all the circuits of the constant current driving chips are the same and are not all shown in the circuits; in the constant voltage driving mode, the constant voltage driving circuit of fig. 6 is used, the number of the constant voltage driving chips of fig. 6 is 6, 36 constant voltage driving chips are provided, and all the constant voltage driving chips are the same and are not shown in the circuit.
The utility model discloses but direct mount is on standard server rack. DMX and working state are visually displayed through a 3-bit display screen, and 36-channel DMX controls constant-current LED driving. The fast connection of signal input and output is realized by two interface modes of a phoenix plug and an RJ45 type. In fig. 2, three upper phoenix-inserted DMX512 signal input ports 4, three upper DMX512 signal output ports 5 and three lower RJ45 type DMX512 signal input ports 4, three upper DMX512 signal output ports 5 and three lower voltage input control ports 6 are provided.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A compact cabinet type 36-channel DMX constant-current/constant-voltage driver comprises a shell, and is characterized in that: the front panel of the shell is provided with a display screen, a DMX512 address selection dial plate, a dial switch and an indicator light; the rear panel is provided with a DMX512 signal input port, a DMX512 signal output port, a voltage input control port and two layers of 3-6 output sockets; the circuit is characterized in that a circuit main board is arranged in the shell, the DMX512 input port/voltage input control port inputs DMX512 signals/voltage control signals to the circuit main board, the circuit main board obtains controlled address, channel and brightness information according to the input control signals, outputs 36 paths of PWM control signals, and outputs the signals to the lamp group through corresponding constant current/constant voltage driving chips.
2. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the shell is a cuboid.
3. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1 or 2, wherein: the size of the shell is 480mm long, 450mm wide and 50mm high.
4. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the dial switch is a 2-bit dial switch.
5. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the voltage input control port inputs 1-10V control voltage.
6. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the DMX512 signal input port and the DMX512 signal output port are connected with a 485 chip, and the 485 chip is connected with the MCU.
7. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1 or 6, wherein: the voltage input control port is connected with a voltage division isolation circuit, and the output end of the voltage division isolation circuit is connected with the MCU.
8. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: and a power input socket and a main power switch are also arranged on the right side of the rear panel of the shell.
9. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the casing is internally provided with a fan, and the front panel and the rear panel of the casing are both provided with heat dissipation holes.
10. The compact cabinet 36-channel DMX constant current/constant voltage driver of claim 1, wherein: the DMX512 signal input port, the DMX512 signal output port and the voltage input control port are of a Phoenix plug or RJ45 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383518.6U CN209914142U (en) | 2019-03-25 | 2019-03-25 | Compact cabinet type 36-channel DMX constant-current/constant-voltage driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920383518.6U CN209914142U (en) | 2019-03-25 | 2019-03-25 | Compact cabinet type 36-channel DMX constant-current/constant-voltage driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209914142U true CN209914142U (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920383518.6U Active CN209914142U (en) | 2019-03-25 | 2019-03-25 | Compact cabinet type 36-channel DMX constant-current/constant-voltage driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209914142U (en) |
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2019
- 2019-03-25 CN CN201920383518.6U patent/CN209914142U/en active Active
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