Controller for lamp control signal conversion and output
By designing a controller for the conversion and output of lamp control signals, integrating the red, green and blue three-channel control signals into misalignment control signals, and transmitting them through two-wire systems, the problems of high cost and limited expansion of traditional four-wire lamp control systems are solved, and a lower cost and more efficient lamp control system is realized.
Patent Information
- Application Number
- CN202421511267.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The traditional four-wire lamp control system uses more wires, which leads to higher installation, use and maintenance costs. At the same time, the four-wire system lacks fixed voltage output, which limits the expansion of subsequent circuits and may lead to loss of control data.
A controller is designed for the conversion and output of lamp control signals. The controller integrates the red, green and blue three-way control signals into misalignment control signals through a processor, a three-way switching circuit and a two-wire output circuit, and transmits them through a two-wire system, ensuring signal quality and equipment safety using voltage stabilization circuit and isolation circuit.
The conversion of the four-wire control system into a two-wire system has been realized, reducing the cost of wiring, use and maintenance, while avoiding the problem of data loss, and supporting system expansion and the transformation of the existing four-wire system.
Smart Images
Figure CN222928539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a controller, in particular to a controller for converting and outputting lamp control signals. Background Art
[0002] In traditional lamp controllers, electric energy and control signals are transmitted simultaneously through four wires to drive lamps. The four-wire system includes three RGB signal lines and a power circuit. Compared with the two-wire system, since the four-wire system uses more wires, the installation is not only messy and difficult to organize, resulting in higher installation costs, usage costs, and maintenance costs than the two-wire system. However, the four-wire system under this controller does not have a fixed voltage output. Therefore, the expansion of the subsequent circuit of the four-wire system is also limited because when expanding and connecting a controller or a converter to this four-wire system, the control data output by the controller or the converter will be lost due to the characteristic of no fixed voltage output during the transmission of control signals. Therefore, it is necessary to propose a controller that can integrate the RGB signals that need to be transmitted by the four-wire system into a composite control signal, and then transmit the control signal through the two-wire system to achieve the control effect of the lamp through the control signal. Summary of the Utility Model
[0003] Aiming at the defects existing in the current controller, the utility model proposes a controller for converting and outputting lamp control signals. The controller outputs a composite control signal, and different control information is carried by outputting composite control signals with different levels.
[0004] The utility model provides a controller for converting and outputting lamp control signals. The controller includes a processor, a three-way switch circuit, and a two-wire output circuit. The controller is used to output a misaligned control signal composed of a red path control signal, a green path control signal, and a blue path control signal. The processor controls the three-way switch circuit to sequentially output a red path conversion control signal, a green path conversion control signal, and a blue path conversion control signal to the two-wire output circuit according to the signal states of the original red path control signal, the original green path control signal, and the original blue path control signal. The two-wire output circuit includes a voltage stabilizing circuit, and the voltage stabilizing circuit stabilizes the red path conversion control signal, the green path conversion control signal, and the blue path conversion control signal to obtain the red path control signal, the green path control signal, and the blue path control signal, and then combines and outputs the misaligned control signal.
[0005] Preferably, the three-way switch circuit includes three MOS transistors, and the three MOS transistors are controlled by the processor to conduct respectively to sequentially output a red path conversion control signal, a green path conversion control signal, and a blue path conversion control signal.
[0006] Preferably, the processor is configured to receive externally input original red-channel control signal, original green-channel control signal, and original blue-channel control signal, and control the on / off states of three MOS transistors according to the signal states of the original red-channel control signal, original green-channel control signal, and original blue-channel control signal, and then sequentially output a red-channel conversion control signal, a green-channel conversion control signal, and a blue-channel conversion control signal.
[0007] Preferably, the processor is configured to generate the original red-channel control signal, original green-channel control signal, and original blue-channel control signal by itself, and control the on / off states of three MOS transistors according to the signal states of the original red-channel control signal, original green-channel control signal, and original blue-channel control signal, and then sequentially output a red-channel conversion control signal, a green-channel conversion control signal, and a blue-channel conversion control signal.
[0008] Preferably, the voltage stabilizing circuit includes a red-channel voltage stabilizing circuit, a green-channel voltage stabilizing circuit, and a blue-channel voltage stabilizing circuit. The red-channel conversion control signal, green-channel conversion control signal, and blue-channel conversion control signal are respectively subjected to voltage stabilizing operations through the red-channel voltage stabilizing circuit, green-channel voltage stabilizing circuit, and blue-channel voltage stabilizing circuit, and then become red-channel control signals, green-channel control signals, and blue-channel control signals with different levels.
[0009] Preferably, the two-wire output circuit further includes an isolation circuit, and the isolation circuit includes diodes respectively connected to the red-channel voltage stabilizing circuit, green-channel voltage stabilizing circuit, and blue-channel voltage stabilizing circuit.
[0010] Preferably, the control signal processing module further includes an energy storage power supply circuit and an original control signal inversion circuit.
[0011] Preferably, the control signal processing module further includes a rectifying circuit, a voltage stabilizing circuit, an AC-to-doubled frequency square-wave circuit, and an energy storage power supply circuit.
[0012] Preferably, the voltage stabilizing circuit includes a red-channel voltage stabilizing circuit that stabilizes the red-channel conversion control signal into a red-channel control signal with a level of 6V, a green-channel voltage stabilizing circuit that stabilizes the green-channel conversion control signal into a green-channel control signal with a level of 8V, and a blue-channel voltage stabilizing circuit that stabilizes the blue-channel conversion control signal into a blue-channel control signal with a level of 9V.
[0013] Preferably, the signal states include high level and low level.
[0014] The beneficial effects achieved by a controller for lamp control signal conversion and output provided by the present utility model are as follows:
[0015] The controller cooperates with a three-way switch circuit to integrate the control signals of the three paths of red, green, and blue into a misaligned control signal. This misaligned control signal carries the control information of the red, green, and blue lamps in the form of a misaligned voltage. After being transmitted through two wires, the level discrimination circuit on the load distinguishes the control signals of the three paths of red, green, and blue on the misaligned control signal. Different from the existing lamp control system, this controller is no longer limited to a four-wire system. For the lamp system using this controller, a connection system can be used to transmit electrical energy and control signals. In the connection circuit under this controller, the extended access devices will not cause data loss due to abnormal power supply when the control low level or no signal occurs, providing support for system expansion. When retrofitting the old four-wire system, only the original four-wire signal needs to be connected to the controller, and the controller can be converted into a two-wire transmission system, greatly reducing the retrofit cost of the existing lamp system. At the same time, the design of the new system can also reduce the wiring cost, usage cost, and maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic diagram showing the changes of the original control signal, converted control signal, control signal, and misaligned control signal provided by the present invention;
[0017] Figure 2 is a schematic diagram of the logical structure of the controller provided by the present invention for lamp control signal conversion and output;
[0018] Figure 3 is a schematic diagram of the logical structure of the load controlled by the controller through two wires provided by the present invention;
[0019] Figure 4 is a circuit diagram of the processor and the three-way switch circuit part of a controller provided by the present invention;
[0020] Figure 5 is a circuit diagram of the processor and the three-way switch circuit part of another controller provided by the present invention;
[0021] Figure 6 is a circuit diagram of the two-wire output circuit part in the controller provided by the present invention;
[0022] Figure 7 is a schematic diagram of the structure of a controller provided by the present invention;
[0023] Figure 8 is a schematic diagram of the structure of another controller provided by the present invention;
[0024] Figure 9 is a schematic diagram of the structure of the load controlled by the controller through a two-wire circuit connecting to the two-wire circuit. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] The following further describes the controller for converting and outputting lamp control signals and the cash dispenser provided by the present utility model in conjunction with the accompanying drawings. It should be noted that only the most optimized technical solution is used to elaborate in detail the technical solution and design principle of the present utility model below.
[0026] Throughout the description of the present utility model, it should be noted that for orientation terms, such as terms "center", "horizontal", "vertical", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "perpendicular", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation and position relationship are based on the orientation or position relationship shown in the drawings or the common terms used by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.
[0027] Reference Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 and Figure 8 The controller for converting and outputting lamp control signals provided by the present utility model includes a processor MCU, a three-way switch circuit, and a two-wire output circuit. The controller is used to output a misaligned control signal composed of a red path control signal, a green path control signal, and a blue path control signal. Among them, in combination with Figure 1 the processor controls the three-way switch circuit to sequentially output a red path conversion control signal ROUT, a green path conversion control signal GOUT, and a blue path conversion control signal BOUT to the two-wire output circuit according to the signal states of the original red path control signal RIN, the original green path control signal GIN, and the original blue path control signal BIN. The two-wire output circuit stabilizes the red path conversion control signal, the green path conversion control signal, and the blue path conversion control signal through a red path voltage stabilization circuit, a green path voltage stabilization circuit, and a blue path voltage stabilization circuit to obtain a red path control signal ROUT’, a green path control signal GOUT’, and a blue path control signal BOUT’, and then combines them into the misaligned control signal COUT, and outputs the misaligned control signal through the two-wire output circuit;
[0028] In combination with Figure 3 and Figure 9, the misalignment control signal COUT output by the controller is transmitted to the load through a two-wire circuit. The load discriminates the misalignment control signal COUT into a red path control signal, a green path control signal, and a blue path control signal through a red path control signal discrimination circuit, a green path control signal discrimination circuit, and a blue path control signal discrimination circuit respectively. The red path control signal, the green path control signal, and the blue path control signal respectively drive and control the red light beads, green light beads, and blue light beads on the LED lamp to operate. Thus, the use of the controller provided by the present invention to convert a four-wire control system into a two-wire control system is realized.
[0029] Next, the specific implementation of some circuits of the controller will be further introduced:
[0030] First, refer to Figure 2 , in combination with Figure 4 or Figure 5 , the three-way switch circuit includes three MOS transistors Q4, Q5, and Q6. These three MOS transistors are controlled by the processor to be turned on and off to output conversion control signals of different levels. Q4, Q5, and Q6 respectively output the red path conversion control signal, the green path conversion control signal, and the blue path conversion control signal.
[0031] Then, continue to refer to Figure 2 , in combination with Figure 6 , the two-wire output circuit sequentially includes an isolation circuit and a voltage stabilization circuit along the transmission paths of the red path conversion control signal, the green path conversion control signal, and the blue path conversion control signal. The isolation circuit includes three diodes D10, D8, and D9 connected in parallel, which are used to shield the interference of the other two conversion control signals when one of the conversion control signals is being transmitted. In this embodiment, the red path voltage stabilization circuit, the green path voltage stabilization circuit, and the blue path voltage stabilization circuit form a voltage stabilization circuit. The red path voltage stabilization circuit includes a triode Q7, a resistor R28, and a diode D11. The C, B, and E interfaces of the triode Q7 are respectively electrically connected to the diode D10, D11, and the output interface. The resistor R28 is electrically connected to the C and B interfaces of the triode Q7. The diode D11 is also electrically connected to the output interface. The green path voltage stabilization circuit includes a triode Q8, a resistor 29, and a diode D12. The C, B, and E interfaces of the triode Q8 are respectively electrically connected to the diode D8, D12, and the output interface. The resistor R29 is electrically connected to the C and B interfaces of the triode Q8. The diode D12 is also electrically connected to the output interface. The blue path voltage stabilization circuit is the diode D9.
[0032] Refer to Figure 2 , Figure 4 , in combination with Figure 6 and Figure 7, in some embodiments, when it is necessary to output a misalignment control signal according to the signal state of an externally input original control signal, the control signal processing module serves as a converter. The RIN, GIN, and BIN interfaces of the processor U1 are used to receive the externally input original control signal, and control the on / off of three MOS transistors Q4, Q5, and 6 in sequence according to the signal state of the original control signal, and then output a red-channel conversion control signal, a green-channel conversion control signal, and a blue-channel conversion control signal to the two-wire output circuit, which are combined into a misalignment control signal after voltage stabilization operation.
[0033] Reference Figure 4 , in a specific implementation, when the control signal processing module serves as a converter, the processor not only includes the processor U1, a three-way switch circuit electrically connected to the processor U1, and a two-wire output circuit electrically connected to the three-way switch circuit, but the control signal processing module also includes an MCU energy storage power supply module for temporarily powering the processor U1, an original control signal inversion circuit, and other external circuits. The MUC energy storage power supply module includes diodes D1, D4, and D5 for integrating control signals, capacitors C5, diodes D2, resistors R1, R2, and diode D3 for the energy storage circuit, a processor U2 for controlling power supply, and external capacitors C3, C4, and C6 of the processor U2, and an original control signal inversion circuit for preventing the processor U1 from misreading the control signal. The original control signal inversion circuit includes a red-channel inversion circuit, a green-channel inversion circuit, and a blue-channel inversion circuit. The red-channel inversion circuit includes a triode Q1, resistors R3, R4, R9, and R10. The green-channel inversion circuit includes a triode Q2, resistors R11, R12, R13, and R14. The blue-channel inversion circuit includes a triode Q3, resistors R15, R16, R17, and R18. In this embodiment, the three-way improvement circuit further includes resistors R19, R20, R21, R22, R23, and R24. The G interface of the MOS transistor Q4 is connected to the processor U1 through the resistor R22, and the G interface is also grounded through the resistor R19. The S interface is connected to the interface of the red original control signal, and the D interface is connected to the red-channel voltage stabilization circuit. Taking the MOS transistor Q4 in the figure as an example, the electrical connection relationship between the MOS transistors Q5 and Q6 and other resistors is similar to that of the MOS transistor Q4, and will not be elaborated here.
[0034] Reference Figure 2 , Figure 5 , Figure 6 and Figure 8, in some embodiments, when it is necessary to generate an original control signal by itself and output a conversion control signal, the control signal processing module serves as a controller. Different from the converter, the signals for controlling the MOS transistors in the three-way switch circuit by the controller are generated by itself, rather than collected from the externally input original control signal. When the control signal processing module serves as a controller, it not only includes a processor, a three-way switch circuit electrically connected to the processor, and a two-wire output circuit electrically connected to the three-way switch circuit. The connection relationship of these processor, three-way switch circuit, and two-wire output circuit is basically the same as that of the processor, which will not be elaborated here. It should be noted that when the control signal processing module serves as a controller, the control signal processing module further includes a rectifier circuit, a voltage stabilizing circuit, an AC-to-doubled frequency square wave circuit, and a MUC energy storage power supply circuit. Among them, the AC-to-doubled frequency square wave circuit enables the input voltage to gradually increase or decrease with two unequal thresholds, and its transmission characteristic has the shape of a hysteresis curve, having good anti-interference ability to prevent the processor from detecting interference signals and generating unnecessary control signals.
[0035] In some embodiments, in combination with Figure 1 , among the red-channel control signal, green-channel control signal, and blue-channel control signal of different levels output by the controller, the level of the blue-channel control signal is greater than that of the green-channel control signal, and the level of the green-channel control signal is greater than that of the red-channel control signal. Among them, the sorting of the corresponding levels of these control signals is arranged according to the characteristics of each color light-emitting diode. Of course, other sorting methods are also possible, which will not be elaborated here.
[0036] In some embodiments, in combination with Figure 2 and Figure 3 , the red-channel conversion control signal, green-channel conversion control signal, and blue-channel conversion control signal respectively pass through the red-channel voltage stabilizing circuit, green-channel voltage stabilizing circuit, and blue-channel voltage stabilizing circuit to obtain the red-channel control signal, green-channel control signal, and blue-channel control signal of different levels. Among the red-channel control signal, green-channel control signal, and blue-channel control signal of different levels, the level of the blue-channel control signal is 9V, the level of the green-channel control signal is 8V, and the level of the red-channel control signal is 6V.
[0037] In some embodiments, in combination with Figure 1 , the misalignment control signal is successively composed of the red-channel control signal, green-channel control signal, and blue-channel control signal. In fact, the order of the red-channel control signal, green-channel control signal, and blue-channel control signal in this misalignment control signal can also be other orders. The sorting of red, green, and blue is to correspond to the magnitude of their respective control signal levels, reducing the frequency of level rise and fall to reduce interference.
[0038] Further, in some embodiments, the controller collects the signal states of the red-channel original control signal, the green-channel original control signal, and the blue-channel original control signal according to a collection period, and the single output period is equal to the collection period, which can be combined with Figure 1 , in this case, both the collection period and the output period are fixed, for example, both the collection period and the output period are set to 9 microseconds.
[0039] Furthermore, in combination with Figure 1 and Figure 2 , when the signal states of the red-channel original control signal, the green-channel original control signal, and the blue-channel original control signal are all high level / have signals, the misalignment control signal is composed of the red-channel control signal, the green-channel control signal, and the blue-channel control signal with different levels from each other. Among them, the proportions of the red-channel control signal, the green-channel control signal, and the blue-channel control signal in the misalignment control signal are each 1 / 3;
[0040] When the signal states of two of the red-channel original control signal, the green-channel original control signal, and the blue-channel original control signal are high level / have signals, the misalignment control signal is composed of the two control signals corresponding to the two original control signals with high level / have signals. Among them, the proportions of the two control signals corresponding to the two original control signals with high level / have signals in the misalignment control signal are each 1 / 2;
[0041] When only one of the signal states of the red-channel original control signal, the green-channel original control signal, and the blue-channel original control signal is high level / has a signal, the control signal corresponding to the high level of the signal state of this original control signal is the misalignment control signal.
[0042] It can be understood that whenever the processor collects that the original control signal of a certain channel is high level / has a signal, it will control the MOS transistor corresponding to this channel to conduct and output a conversion control signal. Then, after the conversion control signal is regulated by a voltage regulator circuit, the control signal corresponding to the level of this channel is obtained. It should be noted that when the signal states of multiple channels are all high level / have signals, the conversion control signals will be output in a preset order.
[0043] The utility model integrates the control signals of three channels of red, green and blue into a misaligned control signal through a control signal processing module. The misaligned control signal carries the control information of the red, green and blue lamps in the form of misaligned voltage. After being transmitted through two wires, the level discrimination circuit on the load is used to distinguish the control signals of the three channels of red, green and blue on the misaligned control signal. Finally, the distinguished control signals of the three channels of red, green and blue are respectively used to drive the red, green and blue lamp beads on the LED lamp. Different from the existing control lamp system, the misaligned control signal output by this system only needs two wires to transmit, and no longer needs the traditional four-wire system to transmit. Moreover, the merged misaligned control signal can maintain a voltage output during the transmission process of the two-wire system. The extended access devices will not cause data loss due to abnormal power supply when the control low level or no signal, which gives support to the system expansion. Finally, this method can also support the transformation of the existing four-wire control system. Only by connecting a controller or a converter to the input end of the four-wire control system to execute the control signal transmission method, then the subsequent lamps can be extended and accessed in the form of a two-wire system from the output end of the controller or the converter. While realizing the lamp control, the transformation cost of the existing lamp system can be greatly reduced. At the same time, the design of the new system can also reduce the wiring cost, usage cost and maintenance cost.
[0044] The above is only the preferred embodiment of the utility model. It should be noted that the above preferred embodiment should not be regarded as a limitation of the utility model. The protection scope of the utility model should be subject to the scope defined by the claims. For those of ordinary skill in the art of this technology, without departing from the spirit and scope of the utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.
Claims
1. A controller for lamp control signal conversion and output, characterized in that: The controller includes a processor, a three-way switch circuit and a two-line output circuit. The controller is used to output a staggered control signal composed of a red control signal, a green control signal and a blue control signal. The processor controls the three-way switch circuit to output a red conversion control signal, a green conversion control signal and a blue conversion control signal to the two-line output circuit in sequence according to the signal states of the original red control signal, the original green control signal and the original blue control signal. The two-line output circuit includes a voltage stabilizing circuit. The voltage stabilizing circuit stabilizes the red conversion control signal, the green conversion control signal and the blue conversion control signal to obtain a red control signal, a green control signal and a blue control signal, which are then combined into and output the staggered control signal.
2. A controller for lamp control signal conversion and output according to claim 1, characterized in that: The three-way switch circuit includes three MOS tubes, which are respectively turned on by the processor control to output a red-way conversion control signal, a green-way conversion control signal and a blue-way conversion control signal in sequence.
3. A controller for lamp control signal conversion and output according to claim 2, characterized in that: The processor is used to receive the original red control signal, the original green control signal, and the original blue control signal input from the outside, and control the on and off of the three MOS tubes according to the signal states of the original red control signal, the original green control signal, and the original blue control signal, and then output the red-to-red conversion control signal, the green conversion control signal, and the blue conversion control signal in sequence.
4. A controller for lamp control signal conversion and output according to claim 2, characterized in that: The processor is used to automatically generate an original red control signal, an original green control signal, and an original blue control signal, and control the on and off of three MOS tubes according to the signal states of the original red control signal, the original green control signal, and the original blue control signal, and then successively output a red-to-red conversion control signal, a green conversion control signal, and a blue conversion control signal.
5. A controller for lamp control signal conversion and output according to claim 3 or 4, characterized in that: The voltage stabilizing circuit includes a red voltage stabilizing circuit, a green voltage stabilizing circuit and a blue voltage stabilizing circuit. The red-to-red conversion control signal, the green conversion control signal and the blue conversion control signal are converted into red control signals, green control signals and blue control signals of different levels after being stabilized by the red voltage stabilizing circuit, the green voltage stabilizing circuit and the blue voltage stabilizing circuit respectively.
6. A controller for lamp control signal conversion and output according to claim 5, characterized in that: The two-line output circuit further includes an isolation circuit, and the isolation circuit includes diodes respectively connected to the red path voltage stabilization circuit, the green path voltage stabilization circuit and the blue path voltage stabilization circuit.
7. A controller for lamp control signal conversion and output according to claim 3, characterized in that: The controller also includes an energy storage power supply circuit and an original control signal inversion circuit.
8. A controller for lamp control signal conversion and output according to claim 4, characterized in that: The controller also includes a rectifier circuit, a voltage stabilizing circuit, an AC frequency-doubling square wave circuit and an energy storage power supply circuit.
9. A controller for lamp control signal conversion and output according to claim 5, characterized in that: The voltage stabilizing circuit includes a red-path voltage stabilizing circuit that stabilizes the red-path conversion control signal into a red-path control signal with a level of 6V, a green-path voltage stabilizing circuit that stabilizes the green-path conversion control signal into a green-path control signal with a level of 8V, and a blue-path voltage stabilizing circuit that stabilizes the blue-path conversion control signal into a blue-path control signal with a level of 9V.
10. A controller for lamp control signal conversion and output according to claim 1, wherein the signal state includes a high level and a low level.