Constant-current and constant-voltage dimming all-in-one machine capable of being combined by modules

Abstract

The utility model relates to the technical field of dimming power supplies, and particularly discloses a module-combinable constant-current constant-voltage dimming all-in-one machine, which comprises a driving MCU circuit, a constant-current channel circuit, a constant-voltage channel circuit, a current detection circuit, a voltage detection circuit, a temperature detection circuit, a communication circuit and a golden finger interface circuit, the constant current channel circuit, the constant voltage channel circuit, the current detection circuit, the voltage detection circuit, the temperature detection circuit and the communication circuit are all electrically connected with the driving MCU circuit, and the golden finger interface circuit is electrically connected with the communication circuit. According to the utility model, the driving module is hung on the bus structure, and the driving MCU circuit uniformly manages and distributes effective communication addresses and automatically identifies whether the driving mode is constant current or constant voltage driving, so that automatic adaptive configuration can be made according to different required powers on the module, the application scene is wide, and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of light -adjusting power supply, especially in kind of constant current constant voltage light -adjusting integrated machine of module combination. BACKGROUND

[0002] With the rapid development of LED lighting industry, LED lighting becomes the preferred choice of each family for indoor and outdoor lighting, and the user's requirement for LED power supply is also higher and higher.

[0003] Through the search, the Chinese utility model patent with patent application number CN202120980918.2 discloses a constant voltage light -adjusting conversion constant current light -adjusting circuit, and the circuit includes a circuit input end, a high-speed bridge rectifier circuit, a pulse light -adjusting waveform detection circuit, an LC charging and discharging circuit and an LED constant current light -adjusting output circuit. The circuit can drive multiple LED lamps requiring constant current light adjustment with one LED constant voltage light -adjusting power supply, and has the advantages of low cost and simple wiring in driving constant current light adjustment LED lamps using the circuit.

[0004] The existing light -adjusting circuit can meet the basic use requirement, but it still has the following defects:

[0005] 1. Conventional constant current constant voltage light adjustment needs to be distinguished in hardware: either constant current controller is used according to user's requirement, or constant voltage controller is used. Due to the limitation of lamp structure, constant current constant voltage two light adjustment modes cannot exist simultaneously in the same scene or system.

[0006] 2. Limited by maximum power: generally, constant voltage constant current drive determines the use power when leaving the factory, and the use power cannot be flexibly expanded according to user's expansion requirement in the use process.

[0007] 3. Difficult to maintain: if the user's use scene is in some narrow and inconvenient environment, the conventional light -adjusting drive integrated machine is inconvenient to replace and maintain. UTILITY MODEL CONTENT

[0008] The utility model solves the technical problem that, in view of the above defects of prior art, provides a constant current constant voltage light -adjusting integrated machine that can be combined with modules. The drive module is hung on the bus structure, and the effective communication address is uniformly managed and distributed by the drive MCU circuit. The drive mode is automatically identified as constant current or constant voltage drive, so that automatic adaptive configuration can be made according to different required power on the module, the use scene is wide, and the maintenance is convenient.

[0009] In order to solve the above technical problems, the technical scheme of the utility model is:

[0010] The application discloses a constant-current constant-voltage dimming integrated machine which can be combined in modules, comprising a driving MCU circuit, a constant-current channel circuit, a constant-voltage channel circuit, a current detection circuit, a voltage detection circuit, a temperature detection circuit, a communication circuit and a golden finger interface circuit, wherein the constant-current channel circuit, the constant-voltage channel circuit, the current detection circuit, the voltage detection circuit, the temperature detection circuit and the communication circuit are electrically connected with the driving MCU circuit, and the golden finger interface circuit is electrically connected with the communication circuit.

[0011] Preferably, the driving MCU circuit comprises a single-chip microcomputer chip U8, an interface P3 and a crystal oscillator Y1, wherein the interface P3 and the crystal oscillator Y1 are connected with the single-chip microcomputer chip U8.

[0012] Preferably, the constant-current channel circuit comprises a constant-current driving chip U1, a triode Q1, a resistor R1, a resistor R2, a transformer L10, a triode Q21, a diode D1 and a diode D14, wherein the single-chip microcomputer chip U8, the triode Q1, the resistor R1, the resistor R2, the transformer L10, the triode Q21, the diode D1 and the diode D14 are connected with the constant-current driving chip U1.

[0013] Preferably, the constant-voltage channel circuit comprises a constant-voltage driving chip U2, a triode Q5, a fuse F2, a fuse F7, a transistor Q6 and a transistor Q7, wherein the constant-voltage driving chip U2 is connected with the single-chip microcomputer chip U8, the triode Q5, the fuse F2, the fuse F7, the transistor Q6 and the transistor Q7 respectively.

[0014] Preferably, the current detection circuit comprises a current detection chip U7, a current detection chip U11, a resistor R152, a resistor R153, a capacitor C65, a capacitor C66, a capacitor C67 and a capacitor C68, wherein the current detection chip U7 is connected with the resistor R153, the capacitor C65 and the capacitor C66 respectively, the current detection chip U11 is connected with the resistor R152, the capacitor C67 and the capacitor C68 respectively, and the current detection chip U7 and the current detection chip U11 are connected with the single-chip microcomputer chip U8.

[0015] Preferably, the voltage detection circuit comprises a resistor R96, a resistor R99, a diode D10 and a capacitor C60, wherein the resistor R96, the resistor R99, the diode D10 and the capacitor C60 are connected with the single-chip microcomputer chip U8.

[0016] Preferably, the temperature detection circuit comprises a thermistor RT1, a thermistor RT2, a resistor R97 and a capacitor C61, wherein the thermistor RT1, the thermistor RT2, the resistor R97 and the capacitor C61 are connected with the single-chip microcomputer chip U8.

[0017] Preferably, the communication circuit comprises a communication chip U9, a voltage stabilizing tube D8, a resistor R85, a resistor R86, a resistor R87, a resistor R88, a resistor R89, a resistor R90, a triode Q19 and a capacitor C73, and the single-chip microcomputer chip U8, the voltage stabilizing tube D8, the resistor R85, the resistor R86, the resistor R87, the resistor R88, the resistor R89, the resistor R90, the triode Q19 and the capacitor C73 are connected with the communication chip U9.

[0018] Preferably, the golden finger interface circuit comprises an interface P1, an interface P2, an interface P4 and an interface P5, the interface P4 is connected with the communication chip U9, and the interface P1, the interface P2 and the interface P5 are connected with the single-chip microcomputer chip U8.

[0019] With the technical scheme, the constant-current constant-voltage dimming all-in-one machine provided by the utility model has the following beneficial effects: the constant-current channel circuit, the constant-voltage channel circuit, the current detection circuit, the voltage detection circuit, the temperature detection circuit and the communication circuit in the constant-current constant-voltage dimming all-in-one machine are electrically connected with the driving MCU circuit, the golden finger interface circuit is electrically connected with the communication circuit, the constant-voltage and constant-current modules adopt different circuits respectively, the constant-current channel circuit is responsible for the LED constant-current function, the driving MCU circuit is connected, the current size is adjusted, the temperature detection function is carried out and the like, in addition, the current size, whether the module is the constant-current module or the constant-voltage module, the temperature size and the like are connected with the host through the golden finger interface and the communication circuit, the host receives whether the module exists, the address is distributed from the configuration and communication is carried out; similarly, the constant-voltage channel circuit is responsible for the LED constant-voltage function, the module information is informed to the host through the golden finger interface and the communication circuit, the host is connected, and the different modules can be replaced according to different user use occasions (it is not necessary to make any modification to the whole machine), and the constant-voltage constant-current double-function output is completely met. The utility model can configure all lamp application scenes through the mixed channel of various channels: due to the adoption of the pull-out structure, the golden finger connection mode is matched, the bus asynchronous communication is utilized, the selected lamp is automatically adapted, the lamp is connected to the corresponding driving interface, the one-host multi-control various lamp effect is achieved, the capacity is conveniently and reliably increased: in the actual use running process, the lamp output and the control need to be increased, the module is replaced alone, the purpose of the expansion and the capacity increase is achieved, the use scene is wide, and the maintenance is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a circuit principle diagram of the driving MCU circuit in the utility model;

[0022] Figure 3The circuit principle diagram of the constant current channel circuit and the constant voltage channel circuit in the utility model;

[0023] Figure 4 The circuit principle diagram of the current detection circuit, the voltage detection circuit, the temperature detection circuit and the communication circuit in the utility model;

[0024] Figure 5 The circuit principle diagram of the golden finger interface circuit in the utility model;

[0025] In the figure, 1 is a driving MCU circuit, 2 is a constant current channel circuit, 3 is a constant voltage channel circuit, 4 is a current detection circuit, 5 is a voltage detection circuit, 6 is a temperature detection circuit, 7 is a communication circuit, and 8 is a golden finger interface circuit. DETAILED DESCRIPTION

[0026] The specific embodiments of the utility model will be further described below in combination with the drawings. It should be noted that the description of these embodiments is used to help understand the utility model and does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0027] As Figures 1-2 shown, the constant current constant voltage dimming integrated machine of the combination module includes a driving MCU circuit 1, a constant current channel circuit 2, a constant voltage channel circuit 3, a current detection circuit 4, a voltage detection circuit 5, a temperature detection circuit 6, a communication circuit 7 and a golden finger interface circuit 8. The constant current channel circuit 2, the constant voltage channel circuit 3, the current detection circuit 4, the voltage detection circuit 5, the temperature detection circuit 6 and the communication circuit 7 are electrically connected with the driving MCU circuit 1. The golden finger interface circuit 8 is electrically connected with the communication circuit 7. The above-mentioned circuits can be integrated on a PCB circuit board and installed on the existing driving shell for use. It can be understood that the utility model adopts a combination constant current constant voltage module design. In the same system, according to the lamp structure, constant voltage constant current lamps can be mixed and matched at the same time, and flexible selection can be made according to the scene configuration. Secondly, in order to adapt to various changing scenes, only this module needs to be replaced, which can meet the driving of another lamp, achieve the purpose of convenient and fast replacement. In terms of maintenance, when different lamps need to be replaced, they can also be replaced immediately without replacing all the drives and the main control, which shortens the fault waiting period and enables users to have a better experience.

[0028] Specifically, the driving MCU circuit 1 comprises a single-chip microcomputer chip U8, an interface P3 and a crystal oscillator Y1, both of which are connected with the single-chip microcomputer chip U8; the constant current channel circuit comprises a constant current driving chip U1, a transistor Q1, a resistor R1, a resistor R2, a transformer L10, a transistor Q21, a diode D1 and a diode D14, all of which are connected with the constant current driving chip U1; the constant voltage channel circuit comprises a constant voltage driving chip U2, a transistor Q5, a fuse F2, a fuse F7, a transistor Q6 and a transistor Q7, all of which are connected with the constant voltage driving chip U2. It can be understood that the single-chip microcomputer chip U8 can be an STM32G070RBT6 chip, the constant current driving chip U1 can be an LM3409HV chip, and the constant voltage driving chip U2 can be an SCT52240 chip. By hanging the driving module on the bus structure, the main MCU (i.e. the driving MCU circuit) uniformly manages and allocates the effective communication address, while each set of independent module needs to receive the main MCU command and feedback the configuration information to the main MCU, the main MCU automatically identifies the driving mode constant current or constant voltage driving, and makes different functional responses; so as to achieve one master and multiple slaves, mutual association mode, and automatic adaptive configuration according to different required power of the module.

[0029] Specifically, the current detection circuit 4 comprises a current detection chip U7, a current detection chip U11, a resistor R152, a resistor R153, a capacitor C65, a capacitor C66, a capacitor C67 and a capacitor C68, the current detection chip U7 is connected with the resistor R153, the capacitor C65 and the capacitor C66 respectively, the current detection chip U11 is connected with the resistor R152, the capacitor C67 and the capacitor C68 respectively, and the current detection chip U7 and the current detection chip U11 are connected with the single-chip microcomputer chip U8; the voltage detection circuit 5 comprises a resistor R96, a resistor R99, a diode D10 and a capacitor C60, all of which are connected with the single-chip microcomputer chip U8. It can be understood that the current detection chip U7 and the current detection chip U11 both adopt INA194 chip for detecting current size and other information, and the voltage detection circuit is used for detecting voltage size and other information.

[0030] Specifically, the temperature detection circuit 6 comprises a thermistor RT1, a thermistor RT2, a resistor R97 and a capacitor C61, all of which are connected with the single-chip microcomputer chip U8; the communication circuit 7 comprises a communication chip U9, a voltage stabilizing tube D8, resistors R85, R86, R87, R88, R89, R90, a triode Q19 and a capacitor C73, all of which are connected with the communication chip U9; the gold finger interface circuit 8 comprises interfaces P1, P2, P4 and P5, the interface P4 being connected with the communication chip U9, and the interfaces P1, P2 and P5 being connected with the single-chip microcomputer chip U8.

[0031] It can be understood that the utility model improves single driving lamps to tailor mixed diversification driving lamps, that is, according to different use occasions, the drawer type is combined and replaced, can be combined as all constant voltage driving lamps, can also be combined as all constant current driving lamps, or mixed constant voltage constant current driving different lamps; in different use environments, a host can configure the use of all lamps.

[0032] It can be understood that the utility model has the following advantages due to reasonable design and unique structure: 1, multi-channel mixed configuration of all lamps application scene: due to the adoption of the pull-out structure, the gold finger connection mode is used, the bus asynchronous communication is utilized, the selected lamps are automatically adapted and connected to the corresponding driving interface, so that the effect of one master controlling multiple lamps can be achieved; 2, convenient and reliable capacity expansion: in the actual use process, when it is necessary to increase the lamp output and control, the module can be replaced alone, so that the purpose of capacity expansion can be achieved.

[0033] The embodiments of the present application are described in detail in combination with the drawings, but the present application is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the present application, and still fall within the protection scope of the present application.

Claims

1. A modularly combinable constant current and constant voltage dimming integrated machine, characterized in that: The application relates to a driving MCU circuit, a constant-current channel circuit, a constant-voltage channel circuit, a current detection circuit, a voltage detection circuit, a temperature detection circuit, a communication circuit and a golden finger interface circuit, wherein the constant-current channel circuit, the constant-voltage channel circuit, the current detection circuit, the voltage detection circuit, the temperature detection circuit and the communication circuit are electrically connected with the driving MCU circuit, and the golden finger interface circuit is electrically connected with the communication circuit.

2. The modular combination constant current constant voltage dimming all-in-one machine according to claim 1, characterized in that: The driving MCU circuit comprises a single-chip microcomputer chip U8, an interface P3 and a crystal oscillator Y1, wherein the interface P3 and the crystal oscillator Y1 are connected with the single-chip microcomputer chip U8.

3. The modular combination constant current constant voltage dimming all-in-one machine according to claim 2, characterized in that: The constant-current channel circuit comprises a constant-current driving chip U1, a triode Q1, a resistor R1, a resistor R2, a transformer L10, a triode Q21, a diode D1 and a diode D14, wherein the single-chip microcomputer chip U8, the triode Q1, the resistor R1, the resistor R2, the transformer L10, the triode Q21, the diode D1 and the diode D14 are connected with the constant-current driving chip U1.

4. The module-combinable constant-current constant-voltage dimmer all-in-one machine according to claim 2, characterized in that: The constant-voltage channel circuit comprises a constant-voltage driving chip U2, a triode Q5, a fuse F2, a fuse F7, a transistor Q6 and a transistor Q7, wherein the constant-voltage driving chip U2 is connected with the single-chip microcomputer chip U8, the triode Q5, the fuse F2, the fuse F7, the transistor Q6 and the transistor Q7 respectively.

5. The module-combinable constant-current constant-voltage dimmer all-in-one machine according to claim 2, characterized in that: The current detection circuit comprises a current detection chip U7, a current detection chip U11, a resistor R152, a resistor R153, a capacitor C65, a capacitor C66, a capacitor C67 and a capacitor C68, wherein the current detection chip U7 is connected with the resistor R153, the capacitor C65 and the capacitor C66 respectively, the current detection chip U11 is connected with the resistor R152, the capacitor C67 and the capacitor C68 respectively, and the current detection chip U7 and the current detection chip U11 are connected with the single-chip microcomputer chip U8.

6. The module-combinable constant-current constant-voltage dimmer all-in-one machine according to claim 2, characterized in that: The voltage detection circuit comprises a resistor R96, a resistor R99, a diode D10 and a capacitor C60, wherein the resistor R96, the resistor R99, the diode D10 and the capacitor C60 are connected with the single-chip microcomputer chip U8.

7. The modular combination constant current constant voltage dimming all-in-one machine according to claim 2, characterized in that: The temperature detection circuit comprises a thermistor RT1, a thermistor RT2, a resistor R97 and a capacitor C61, wherein the thermistor RT1, the thermistor RT2, the resistor R97 and the capacitor C61 are connected with the single-chip microcomputer chip U8.

8. The module-combinable constant-current constant-voltage dimmer all-in-one machine according to claim 2, characterized in that: The communication circuit comprises a communication chip U9, a voltage stabilizing tube D8, a resistor R85, a resistor R86, a resistor 87, a resistor R88, a resistor R89, a resistor R90, a triode Q19 and a capacitor C73, wherein the single-chip microcomputer chip U8, the voltage stabilizing tube D8, the resistor R85, the resistor R86, the resistor 87, the resistor R88, the resistor R89, the resistor R90, the triode Q19 and the capacitor C73 are connected with the communication chip U9.

9. The modular combination constant current constant voltage dimming all-in-one machine according to claim 8, characterized in that: The golden finger interface circuit comprises an interface P1, an interface P2, an interface P4 and an interface P5, wherein the interface P4 is connected with the communication chip U9, and the interface P1, the interface P2 and the interface P5 are connected with the single-chip microcomputer chip U8.

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