CN112087843A - Frequency-adjustable cannon signal board - Google Patents
Frequency-adjustable cannon signal board Download PDFInfo
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- CN112087843A CN112087843A CN201910510534.1A CN201910510534A CN112087843A CN 112087843 A CN112087843 A CN 112087843A CN 201910510534 A CN201910510534 A CN 201910510534A CN 112087843 A CN112087843 A CN 112087843A
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Abstract
A frequency-adjustable cannon signal board relates to the field of stage lamp control consoles and comprises a power supply module, a voltage stabilizing module, an isolation protection module, a control module and a frequency modulation module, wherein the power supply module is electrically connected with the voltage stabilizing module, the isolation protection module, the control module and the frequency modulation module in sequence; the control module is internally provided with a plurality of frequency modulation interfaces, and the frequency modulation module is connected with the control module through the frequency modulation interfaces. According to the invention, the frequency modulation interface is arranged in the control module and is in butt joint with the frequency modulation module, and the frequency modulation module is used for carrying out frequency modulation on data transmission of the control module, so that the problem of compatibility of the control module is solved, and the performance of a product is enhanced.
Description
Technical Field
The invention relates to the field of stage lamp control consoles, in particular to a frequency-adjustable cannon signal board.
Background
There are different brands of lighting consoles in the stage lighting industry, and the "packet frequency" of the DMX512 signal output by them varies, basically within the range of 20-44 packets/second. At present, electronic software and hardware of stage lamps are updated faster, and a 51-series single chip microcomputer (such as an 8-bit computer chip of STC brand STC12C5410AD and an 8-bit computer chip of Microchip brand PIC18F 242) is transited to a single chip microcomputer of an ARM core (such as a 32-bit computer chip of STM 32).
The existing Cannon signal board has no 32-bit computer chip of STM32 series, and only converts DMX512 signals into lamps simply. When the lamps of the 8-bit computer chips meet some high-grade light control consoles, the problems of incompatibility, incapability of using certain functions and the like occur.
Therefore, need for a neotype frequency-adjustable's cannon signal board both can not influence the stage lamps and lanterns mass production of 8 machine chips, can also compatible continuous upgrading light control cabinet.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme: a tone-modulated cannon signal plate, comprising: the device comprises a power supply module, a voltage stabilizing module, an isolation protection module, a control module and a frequency modulation module, wherein the power supply module is electrically connected with the voltage stabilizing module, the isolation protection module, the control module and the frequency modulation module in sequence; the control module is internally provided with a plurality of frequency modulation interfaces, and the frequency modulation module is connected with the control module through the frequency modulation interfaces;
further, the frequency modulation module is a dial switch, the dial switch is provided with a plurality of dials, the plurality of dials represent different frequencies, and the number of the dials is consistent with the number of the frequency modulation interfaces;
furthermore, the power module comprises a power socket and a TTL level circuit, the power socket is connected with the TTL level circuit, and the TTL level circuit is connected with the control module;
further, the intelligent power supply also comprises an RS485 conversion module, wherein the RS485 conversion module is connected with the power socket and the control module;
furthermore, the control module is provided with a RST485 TXD interface, and is connected with the TTL level circuit or the RS485 conversion module through the RST485 TXD interface;
furthermore, the isolation protection module comprises an anti-creeping circuit, a high-voltage protection circuit and a DMX512 signal conversion circuit, wherein the anti-creeping circuit is electrically connected with the high-voltage protection circuit and the DMX512 signal conversion circuit;
further, the system also comprises a copying module, wherein the copying module is connected with the control module;
further, the device also comprises a feedback module, and the feedback module is connected with the control module.
The invention has the beneficial effects that: 1. according to the invention, the frequency modulation interface is arranged in the control module and is in butt joint with the frequency modulation module, and the frequency modulation module is used for carrying out frequency modulation on data transmission of the control module, so that the problem of compatibility of the control module is solved, and the performance of a product is enhanced.
2. When high voltage is connected in series, the control module is protected through the isolation protection module, and the control module is prevented from being burnt.
3. Through setting up TTL level circuit and RS485 conversion module, make the signal board of sticking with your have two kinds to change the selection function of "data packet frequency".
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
FIG. 1 is a schematic flow chart provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of a control module according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a frequency modulation module according to an embodiment of the invention
FIG. 4 is a schematic diagram of a power module according to an embodiment of the invention;
fig. 5 is a schematic diagram of a voltage regulator module according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an isolation protection module according to an embodiment of the present invention;
fig. 7 is a schematic diagram of an RS485 conversion module according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a copy module according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a feedback module according to an embodiment of the invention;
Detailed Description
The invention will be further described with reference to the accompanying drawings, in which the orientation of fig. 1 is taken as a reference.
As shown in fig. 1, a frequency-adjustable cannon signal board provided in an embodiment of the present invention includes a power module, an RS485 conversion module, a voltage regulation module, an isolation protection module, a control module, a frequency modulation module, a feedback module, and a copy module, where the power module is electrically connected to the RS485 conversion module, the voltage regulation module, the isolation protection module, the control module, the frequency modulation module, the feedback module, and the copy module; the voltage stabilizing module is electrically connected with the isolation protection module, the control module, the frequency modulation module, the feedback module and the copy module in sequence, and the RS485 conversion module is electrically connected with the control module.
As shown in fig. 2, the control chip is an ARM Cortex-M core STM32 series STM32F106C8T6B, and the control chip is provided with a plurality of frequency modulation interfaces, in this embodiment, the number of the frequency modulation interfaces is three, which are DPIN1, DPIN2 and DPIN 3; a feedback signal interface is arranged on the control chip and is an LED1 interface and an LED2 interface; the control chip is provided with a signal conversion interface, and the signal conversion interface is an RS485TXD interface; a copy interface is arranged on the control chip, and the copy interface is an NRST interface; the control chip is also provided with a plurality of interfaces for other purposes, which belong to the prior art; therefore, the description is omitted.
The frequency modulation module is set as a dial switch, as shown in fig. 3, the dial switch is provided with a plurality of dials, the number of the dials is consistent with the number of the frequency modulation interfaces, each dial frequency is different, and different data packet frequency output is realized by setting different dials; in this embodiment, preferably, three dials are set, namely dial 1, dial 2 and dial 3, dial 1 is correspondingly connected to the fm interface DPIN1, dial 2 is correspondingly connected to the fm interface DPIN2, and dial 3 is correspondingly connected to the fm interface DPIN 3; the "packet frequency" for Dial 1 is 25 packets/sec, the "packet frequency" for Dial 2 is 30 packets/sec, and the "packet frequency" for Dial 3 is 40 packets/sec. Through setting up a plurality of dial switches, can export a plurality of data packets simultaneously to strengthen its compatibility, satisfy the upgrading of product.
The power module comprises a power socket and a TTL level circuit, as shown in FIG. 4, the power socket is provided with four pins which are a pin1, a pin2, a pin3 and a pin 4 respectively, the pin1 outputs 5V voltage, the TTL level circuit is connected with the power socket through the pin2, and the pin3 and the pin 4 are connected with a ground wire. And the other end of the TTL level circuit is connected with the control chip through an RS485TXD interface.
As shown in FIG. 5, the voltage stabilizing circuit comprises a U23 SPX1117-3.3 chip and a filter circuit arranged at two ends of the U23 SPX1117-3.3, wherein the filter circuit is formed by connecting a decoupling capacitor and a voltage stabilizing capacitor in parallel. The filter circuit is divided into a first filter circuit and a second filter circuit, and the power input from the pin1 of the power socket is firstly subjected to primary filtering decoupling through the first filter circuit, then is subjected to U23 SPX1117-3.3 conversion, is secondly subjected to filtering decoupling through the second filter circuit, and then is output to the isolation protection module.
As shown in fig. 6, the isolation protection module includes an anti-leakage circuit, a high voltage protection circuit, a DMX512 signal conversion circuit, a public cannon base J1, a mother cannon base J2, and a DMX512 signal base J3, where the public cannon base J1 is used to input a DMX512 signal, the mother cannon base J2 is used to output the DMX512 signal, and the DMX512 signal base J3 is used to directly output the input DMX512 signal. Public cannon seat J1, female cannon seat J2 and DMX512 signal seat J3 all are equipped with three pin, anticreep circuit, high voltage protection circuit and DMX512 signal conversion circuit all with public cannon seat J1, female cannon seat J2 and DMX512 signal seat electrical connection, anticreep circuit and high voltage protection circuit and DMX512 signal conversion circuit electrical connection.
The anti-creeping circuit comprises a resistor R4, a capacitor C2, a diode D1 and a resistor R1, wherein the capacitor C2 is connected with the diode D1 in parallel and then is connected with pins 1 of a public cannon base J1, a mother cannon base J2 and a DMX512 signal base J3 through a resistor R4, and when high voltage enters a signal line, the high voltage of a ground wire is conducted to the ground through the resistor R4, the capacitor C2 and the diode D1, so that the electric leakage of the ground wire is prevented.
The high-voltage protection circuit comprises a thermistor R2, a thermistor R3 and a fuse set D2, wherein the fuse set D2 is provided with a plurality of 8 pins which are respectively a pin1, a pin2, a pin3, a pin 4, a pin 5, a pin 6, a pin 7 and a pin 8, the pin2, the pin3, the pin 6 and the pin 7 are grounded, the pin1 is connected with the pin2 of the cannon socket J1, the cannon socket J2 and the DMX512 signal socket J3 through a thermistor R2, the pin 4 is connected with the pin3 of the cannon socket J1, the cannon socket J2 and the DMX512 signal socket J3 through a thermistor R3, the pin 4 corresponds to the pin 8, the pin 8 is connected with the DMX512 signal conversion circuit, the pin1 corresponds to the pin 5, the pin 5 is connected with the DMX512 signal conversion circuit, when high voltage is met, the main control module is isolated and protected through the high-voltage protection circuit, so that the main control module is prevented from being burnt out.
The DMX512 signal conversion circuit comprises standard circuits of ICs 1 and 585, wherein the IC1 is electrically connected with the standard circuit 585, and the standard circuits of ICs 1 and 585 are both existing circuits, so that the details are not repeated.
As shown in fig. 7, the RS485 conversion module includes a socket J101, a current-limiting resistor, a voltage-limiting circuit, and a chip U25 SN75176, where the socket J101 is connected in series with the current-limiting resistor, the voltage-limiting circuit, and the chip U25 SN75176 in sequence, the socket J101 is used to output an RS485 signal, the current-limiting resistor is used to limit current and prevent the circuit from being burned out due to too high current, the voltage-limiting circuit is used to limit voltage and avoid the circuit from being burned out, and the chip U25 SN75176 is provided with an RS485 signal interface for connecting a signal conversion interface of the main control chip; the signal conversion interface of main control chip both can be connected with RS485 conversion module, also can connect TTL level circuit, the selection function that cannon signal plate has two kinds of changes "data packet frequency" promptly, when lamps and lanterns need the TTL level to control complete machine hardware, can select J4 socket output signal, when lamps and lanterns need RS485 signal control complete machine hardware, can select J101 socket output signal. It should be noted that, when the RS485 signal is selected to control the hardware of the whole device, the 2 nd pin of the J4 socket cannot be connected, i.e., is disconnected from the TTL level, because the RS485 conversion module needs to connect the J4 socket to provide 5V power voltage to the J4 socket, and the TTL level output by the 2 nd pin and the RS485 signal collide with each other, so that the two can be used by selecting one of them according to actual needs.
As shown in fig. 8, the copy module is connected to the main control chip through an NRST interface, and the copy module is related to the prior art and will not be described again.
As shown in fig. 8, the feedback module is provided with two LED circuits, the two LED circuits are connected to the main control chip through an LED1 interface and an LED2 interface, when the LED circuits are on, it indicates that the main control chip is not in fault, otherwise, it indicates that the main control chip is in fault. In this embodiment, it is preferable that two circuits are provided, and when one of the circuits fails, the other circuit performs feedback, thereby avoiding erroneous determination.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A tone-modulated cannon signal plate, comprising: the device comprises a power supply module, a voltage stabilizing module, an isolation protection module, a control module and a frequency modulation module, wherein the power supply module is electrically connected with the voltage stabilizing module, the isolation protection module, the control module and the frequency modulation module in sequence; the control module is internally provided with a plurality of frequency modulation interfaces, and the frequency modulation module is connected with the control module through the frequency modulation interfaces.
2. A frequency adjustable cannon signal plate in accordance with claim 1 wherein: the frequency modulation module is a dial switch, the dial switch is provided with a plurality of dials, the dials represent different frequencies, and the number of the dials is consistent with the number of the frequency modulation interfaces.
3. A frequency adjustable cannon signal plate in accordance with claim 1 wherein: the power module comprises a power socket and a TTL level circuit, the power socket is connected with the TTL level circuit, and the TTL level circuit is connected with the control module.
4. A frequency adjustable cannon signal plate in accordance with claim 3 wherein: the intelligent control device is characterized by further comprising an RS485 conversion module, wherein the RS485 conversion module is connected with the power socket and the control module.
5. The frequency adjustable cannon signal plate of claim 4, wherein: the control module is provided with a RST485 TXD interface and is connected with the TTL level circuit or the RS485 conversion module through the RST485 TXD interface.
6. A frequency adjustable cannon signal plate in accordance with claim 1 wherein: the isolation protection module comprises an anti-creeping circuit, a high-voltage protection circuit and a DMX512 signal conversion circuit, wherein the anti-creeping circuit is electrically connected with the high-voltage protection circuit and the DMX512 signal conversion circuit.
7. A frequency adjustable cannon signal plate in accordance with claim 1 wherein: the system also comprises a copying module, and the copying module is connected with the control module.
8. A frequency adjustable cannon signal plate in accordance with claim 1 wherein: the device also comprises a feedback module, and the feedback module is connected with the control module.
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| CN201910510534.1A CN112087843B (en) | 2019-06-13 | 2019-06-13 | Frequency-adjustable cannon signal board |
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| CN201910510534.1A CN112087843B (en) | 2019-06-13 | 2019-06-13 | Frequency-adjustable cannon signal board |
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| CN112087843B CN112087843B (en) | 2023-05-23 |
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