DOB light source device and LED lamp
By designing the DOB light source device, the automatic on/off function of LED lamps and the diversified switching of color temperature and brightness are realized, solving the problem that existing technologies cannot meet users' diverse dimming and energy-saving needs, and achieving efficient utilization of resources.
Patent Information
- Application Number
- CN202423242168.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing LED lighting fixtures fail to meet users' diverse and energy-saving needs in dimming control, resulting in resource waste.
The system employs a DOB light source device, including a rectifier module, a DOB driver module, a switch control module, and a human body induction control module. It achieves automatic on/off switching of LED lights and diverse switching of color temperature and brightness through human body motion sensing, thus meeting users' energy-saving needs.
It enables diverse switching of LED lighting fixtures' on/off states, brightness, and color temperature, meeting users' diverse dimming needs and avoiding resource waste.
Smart Images
Figure CN223885357U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LED lighting technical field especially relates to a DOB light source device and LED lamps and lanterns. BACKGROUND
[0002] At present, in the field of LED lighting technology, users have diversified needs for the automatic on-off, color temperature and brightness adjustment of lamps and lanterns, and most of the existing LED lamps and lanterns supporting dimming control are based on the dimness of the environment for dimming control without considering the diversified dimming needs and energy-saving needs of users, resulting in resource waste. INVENTION CONTENTS
[0003] The utility model discloses an embodiment of DOB light source device to realize the diversified switching of the automatic on-off, color temperature and brightness of LED lamps and lanterns, meet the energy-saving needs of users and avoid resource waste, the DOB light source device includes: rectifier module, first DOB drive module, second DOB drive module, first switch control module, second switch control module, human body induction control module and LED light source module.
[0004] The input end of rectifier module is connected with commercial power, and the output end of rectifier module is connected with the direct current input end of LED light source module, the direct current input end of first switch control module, the direct current input end of second switch control module and the direct current input end of human body induction control module.
[0005] The first output port of human body induction control module is connected with the signal input end of first switch control module, the signal output end of first switch control module is connected with the input end of first DOB drive module, and the output end of first DOB drive module is connected with the connecting port of LED light source module.
[0006] The second output port of human body induction control module is connected with the signal input end of second switch control module, the output end of second switch control module is connected with the input end of second DOB drive module, and the output end of second DOB drive module is connected with the connecting port of LED light source module.
[0007] In an embodiment, the first switch control module includes a first switch and a second switch.
[0008] The first end of the first switch is connected with the direct current input end of the first switch control module and the third end of the second switch; the second end of the first switch is connected with the input end of the first DOB driving module through the signal output end of the first switch control module; the third end of the first switch is grounded; the first end of the second switch is connected with the first output port of the human body induction control module through the signal input end of the first switch control module; and the second end of the second switch is grounded.
[0009] In one embodiment, the second switch control module comprises a third switch and a fourth switch.
[0010] The first end of the third switch is connected with the direct current input end of the second switch control module and the third end of the fourth switch; the second end of the third switch is connected with the input end of the second DOB driving module through the signal output end of the second switch control module; the third end of the third switch is grounded; the first end of the fourth switch is connected with the second output port of the human body induction control module through the signal input end of the second switch control module; and the second end of the fourth switch is grounded.
[0011] In one embodiment, the first switch and the third switch are N-type metal oxide semiconductor field effect transistors; and the second switch and the fourth switch are NPN-type triodes.
[0012] In one embodiment, the LED light source module is composed of a plurality of LED lamp beads in parallel connection, and the plurality of LED lamp beads are divided into a plurality of LED light emitting units, each of which corresponds to a connection port; each connection port is connected with the output end of the first DOB driving module and the output end of the second DOB driving module.
[0013] In one embodiment, the first DOB driving module comprises at least one first DOB light source driving chip, at least one first capacitor and at least one first resistor.
[0014] Each first DOB light source driving chip comprises a first signal input port, a second signal input port, a plurality of first ground ports and a plurality of first signal output ports; wherein, one end of the first signal input port is connected to one end of a first capacitor, the other end of the first capacitor is connected to a signal output end of the first switch control module through an input end of the first DOB driving module, one end of the second signal input port is connected to one end of a first resistor, the other end of the first resistor is connected to the signal output end of the first switch control module through the input end of the first DOB driving module, the plurality of first ground ports are connected to the signal output end of the first switch control module through the input end of the first DOB driving module, and each first signal output port is connected to one connection port of the LED light source module.
[0015] In one embodiment, the second DOB driving module comprises at least one second DOB light source driving chip, at least one second capacitor and at least one second resistor;
[0016] Each second DOB light source driving chip comprises a third signal input port, a fourth signal input port, a plurality of second ground ports and a plurality of second signal output ports; wherein, one end of the third signal input port is connected to one end of a second capacitor, the other end of the second capacitor is connected to a signal output end of the second switch control module through an input end of the second DOB driving module, one end of the fourth signal input port is connected to one end of a second resistor, the other end of the second resistor is connected to the signal output end of the second switch control module through the input end of the second DOB driving module, the plurality of second ground ports are connected to the signal output end of the second switch control module through the input end of the second DOB driving module, and each second signal output port is connected to one connection port of the LED light source module.
[0017] In one embodiment, the human body sensing control module comprises a linear voltage stabilizer, a main controller, an infrared remote control receiver, a human body motion sensing unit and an indicator light unit;
[0018] Wherein, an input end of the linear voltage stabilizer is connected to an output end of the rectifier module through a direct current input end of the human body sensing control module; an output end of the linear voltage stabilizer is connected to a first port of the main controller;
[0019] The second port of the main controller is connected with the signal input end of the second switch control module through the second output port of the human body induction control module; the third port of the main controller is connected with the infrared remote control receiver; the fourth port of the main controller is connected with the indicator light unit; the fifth port of the main controller is connected with the signal input end of the first switch control module through the first output port of the human body induction control module; and the sixth port of the main controller is connected with the human body motion induction unit.
[0020] In one embodiment, the human body induction control module further comprises an external connection port for externally connecting a light sensing element.
[0021] The first end of the external connection port is connected with the seventh port of the main controller, and the second end of the external connection port is connected with the eighth port of the main controller.
[0022] The embodiment of the utility model further provides a LED lamp, the LED lamp includes above-mentioned DOB light source device, is used for realizing the automatic bright of LED lamp, off, color temperature, the diversified switching of brightness, and satisfies the energy saving demand of user, avoids the waste of resources.
[0023] The embodiment of the utility model provides a DOB light source device, which comprises: a rectifier module, a first DOB driving module, a second DOB driving module, a first switch control module, a second switch control module, a human body induction control module and an LED light source module; wherein the input end of the rectifier module is connected with commercial power, the output end of the rectifier module is connected with the direct current input end of the LED light source module, the direct current input end of the first switch control module, the direct current input end of the second switch control module and the direct current input end of the human body induction control module; the first output port of the human body induction control module is connected with the signal input end of the first switch control module, the signal output end of the first switch control module is connected with the input end of the first DOB driving module, and the output end of the first DOB driving module is connected with the connecting port of the LED light source module; the second output port of the human body induction control module is connected with the signal input end of the second switch control module, the output end of the second switch control module is connected with the input end of the second DOB driving module, and the output end of the second DOB driving module is connected with the connecting port of the LED light source module. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0025] In the drawings:
[0026] Figure 1 A schematic diagram of the LED lamp provided in the embodiment of the present application;
[0027] Figure 2 A circuit diagram of the rectifier module, the first switch control module and the second switch control module provided in the embodiment of the present application;
[0028] Figure 3 A circuit diagram of the LED light source module provided in the embodiment of the present application;
[0029] Figure 4 A circuit diagram of the first DOB driving module provided in the embodiment of the present application;
[0030] Figure 5 A circuit diagram of the second DOB driving module provided in the embodiment of the present application;
[0031] Figure 6 A circuit diagram of the linear voltage stabilizer and the main controller of the human body induction control module provided in the embodiment of the present application;
[0032] Figure 7 A circuit diagram of the infrared remote control receiver of the human body induction control module provided in the embodiment of the present application;
[0033] Figure 8 A circuit diagram of the human body motion induction unit of the human body induction control module provided in the embodiment of the present application;
[0034] Figure 9 A circuit diagram of the indicator light unit of the human body induction control module provided in the embodiment of the present application. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clearly understood, the following will further describe the embodiments of the present application in conjunction with the drawings. Herein, the schematic embodiments of the present application and the description thereof are used to explain the present application, but not as a limitation of the present application.
[0036] In the description of the present specification, "include", "comprise", "have", "contain" and the like are open terms, that is, mean to include but not limited to. The description referring to the terms "one embodiment", "one specific embodiment", "some embodiments", "for example" and the like means that the specific features, structures or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. The order of the steps involved in each embodiment is used to illustrate the implementation of the present application, and the order of the steps is not limited. The order can be adjusted as needed.
[0037] In order to solve the technical problem that the existing LED lamp adjusts the light control according to the darkness of the environment, without considering the user's diversified dimming demand and energy saving demand, resulting in resource waste, the embodiments of the present application provide a DOB light source device and an LED lamp.
[0038] Figure 1 The schematic diagram of the DOB light source device provided in the embodiments of the present application is shown in FIG. 1. As shown in FIG. 1, the DOB light source device comprises a rectifier module 1, a first switch control module 2, a second switch control module 3, a human body induction control module 4, a first DOB driving module 5, a second DOB driving module 6 and an LED light source module 7. Figure 1
[0039] The input end (N and L) of the rectifier module 1 is connected to the mains, and the output end HV of the rectifier module 1 is connected to the direct current input end A1 of the LED light source module 7, the direct current input end A2 of the first switch control module 2, the direct current input end A3 of the second switch control module 3 and the direct current input end A4 of the human body induction control module 4.
[0040] The first output port Gate1 of the human body induction control module 4 is connected to the signal input end B of the first switch control module 2, the signal output end C of the first switch control module 2 is connected to the input end PGND of the first DOB driving module 5, and the output end PM of the first DOB driving module 5 is connected to the connection port H of the LED light source module 7.
[0041] The second output port Gate2 of the human body induction control module 4 is connected to the signal input end E of the second switch control module 3, the output end F of the second switch control module 3 is connected to the input end SGND of the second DOB driving module 6, and the output end SM of the second DOB driving module 6 is connected to the connection port H of the LED light source module 7.
[0042] In implementation, the human body sensing control module 4 can output the dimming control signal according to whether there is human body movement. Therefore, in an embodiment, the human body sensing control module 4 can include a linear voltage regulator, a main controller, an infrared remote control receiver, a human body movement sensing unit and an indicator light unit (not shown in the figure). Figure 1
[0043] In implementation, the human body sensing control module 4 can also output the dimming control signal according to the external environment state and whether there is human body movement. Therefore, in an embodiment, the human body sensing control module 4 further includes an external port P for connecting an external light sensing element, wherein a first end P+ of the external port P is connected to the positive pole of the light sensing element, and a second end P- of the external port P is connected to the negative pole of the light sensing element.
[0044] Figure 2 A circuit diagram of the rectifier module, the first switch control module and the second switch control module provided by the embodiment of the present application; Figure 3 A circuit diagram of the LED light source module provided by the embodiment of the present application; Figure 4 A circuit diagram of the first DOB driving module provided by the embodiment of the present application; Figure 5 A circuit diagram of the second DOB driving module provided by the embodiment of the present application; Figure 6 A circuit diagram of the linear voltage regulator and the main controller of the human body sensing control module provided by the embodiment of the present application; Figure 7 A circuit diagram of the infrared remote control receiver of the human body sensing control module provided by the embodiment of the present application; Figure 8 A circuit diagram of the human body movement sensing unit of the human body sensing control module provided by the embodiment of the present application; Figure 9 A circuit diagram of the indicator light unit of the human body sensing control module provided by the embodiment of the present application.
[0045] The following will be described in detail in combination with Figures 2-9 The various parts of the DOB light source device will be described in detail.
[0046] Please refer to Figure 2 , the N end and the L end of the rectifier module 1 are connected to the zero line and the live line of the commercial power; the diodes BD1, BD2, BD3 and BD4 constitute a bridge; F1 is a fuse, which prevents the circuit from overcurrent and burns the end device; RV1 and RV2 are voltage-dependent resistors, which prevent the circuit from overvoltage and resist surges; the output end HV of the rectifier module 1 is connected to the direct current input end A1 of the LED light source module 7, the direct current input end A2 of the first switch control module 2, the direct current input end A3 of the second switch control module 3 and the direct current input end A4 of the human body sensing control module. The rectifier module 1 converts the alternating current in the commercial power into direct current, thereby providing stable power supply for other modules.
[0047] In practice, the first switch control module 2 is configured to drive the first DOB driving module 5 according to the control signal of the human body induction control module 4; and the second switch control module 3 is configured to drive the second DOB driving module 6 according to the control signal of the human body induction control module 4.
[0048] As shown in Figure 2 The first switch control module 2 includes a first switch Q1 and a second switch Q3.
[0049] The first end 1 of the first switch Q1 is connected with the direct current input end A2 of the first switch control module 2 and the third end 3 of the second switch Q3; the second end 2 of the first switch Q1 is connected with the input end PGND of the first DOB driving module 5 through the signal output end C of the first switch control module 2; the third end 3 of the first switch Q1 is grounded; the first end 1 of the second switch Q3 is connected with the first output port Gate1 of the human body induction control module 4 through the signal input end B of the first switch control module 2; and the second end 2 of the second switch Q3 is grounded.
[0050] The second switch control module 3 includes a third switch Q2 and a fourth switch Q4.
[0051] The first end 1 of the third switch Q2 is connected with the direct current input end A3 of the second switch control module 3 and the third end 3 of the fourth switch Q4; the second end 2 of the third switch Q2 is connected with the input end SGND of the second DOB driving module 6 through the signal output end F of the second switch control module 3; the third end 3 of the third switch Q2 is grounded; the first end 1 of the fourth switch Q4 is connected with the second output port Gate2 of the human body induction control module 4 through the signal input end E of the second switch control module 3; and the second end 2 of the fourth switch Q4 is grounded.
[0052] In an embodiment, the first switch Q1 and the third switch Q2 can be N-type metal oxide semiconductor field effect transistors (NMOS), which are configured to cut off the ground wire in the circuit; and the second switch Q3 and the fourth switch Q4 can be NPN-type triodes, which are configured to realize the conduction and the shutdown of Q1 and Q2 according to the control signal.
[0053] In an embodiment, the LED light source module 7 can be composed of a plurality of LED lamp beads in series and parallel connection, the plurality of LED lamp beads are divided into a plurality of LED light emitting units, each LED light emitting unit corresponds to a connection port; and each connection port is connected with the output end of the first DOB driving module 5 and the output end of the second DOB driving module 6. For example, please refer to Figure 3The LED light beads LED1-LED120 form an LED light source module 7, and the LED1-LED120 are divided into three LED light emitting units 71, 72 and 73. The connection port of the LED light emitting unit 71 is H1, the connection port of the LED light emitting unit 72 is H2, and the connection port of the LED light emitting unit 73 is H3. The connection ports H1, H2 and H3 are connected to the output ends of the first DOB driving module 5 and the second DOB driving module 6, and the brightness of each light emitting unit can be controlled by the driving signals output by the first DOB driving module 5 and the second DOB driving module 6.
[0054] In one embodiment, the first DOB driving module 5 includes at least one first DOB light source driving chip, at least one first capacitor and at least one first resistor. The first DOB light source driving chip can be a linear DOB light source driving chip.
[0055] Each first DOB light source driving chip includes a first signal input port, a second signal input port, a plurality of first ground ports and a plurality of first signal output ports. The first signal input port is connected to one end of a first capacitor, the other end of the first capacitor is connected to the signal output end of the first switch control module through the input end of the first DOB driving module, the second signal input port is connected to one end of a first resistor, the other end of the first resistor is connected to the signal output end of the first switch control module through the input end of the first DOB driving module, the plurality of first ground ports are connected to the signal output end of the first switch control module through the input end of the first DOB driving module, and each first signal output port is connected to one connection port of the LED light source module.
[0056] In specific implementation, the first capacitor is used for signal compensation and filtering, and the first resistor is used for setting the power of the first DOB light source driving chip.
[0057] For example, please refer to Figure 4 , Figure 4The first DOB driving module shown includes two first DOB light source driving chips U1 and U2, two first capacitors C5 and C6, two first resistors R7 and R8, U1 and U2 respectively including a first signal input port OPC (pin 4), a second signal input port CS (pin 2), two first ground ports GND (pins 6 and 3), and three first signal output ports D1, D2 and D3 (pins 1, 5, 7, and 8); wherein OPC of U1 (U2) is connected to one end of C5 (C6), the other end of C5 (C6) is connected to the signal output end C of the first switch control module 2 through the input end PGND of the first DOB driving module 5, one end of CS is connected to one end of R7 (R8), the other end of R7 (R8) is connected to the signal output end C of the first switch control module 2 through the input end PGND of the first DOB driving module 5, and the two GNDs are connected to the signal output end C of the first switch control module 2 through the input end PGND of the first DOB driving module 5. The first signal output port D1 (pin 8) of U1 and U2 is connected to the connection port H1 of the LED light source module 7, D2 (pins 1 and 7) is connected to the connection port H2 of the LED light source module 7, and D3 (pin 5) is connected to the connection port H3 of the LED light source module 7.
[0058] In one embodiment, the second DOB driving module 6 described above includes at least one second DOB light source driving chip, at least one second capacitor, and at least one second resistor; the second DOB light source driving chip can be a linear DOB light source driving chip.
[0059] Each second DOB light source driving chip includes a third signal input port, a fourth signal input port, a plurality of second ground ports, and a plurality of second signal output ports; wherein one end of a second capacitor is connected to the third signal input port, the other end of the second capacitor is connected to the signal output end of the second switch control module through the input end of the second DOB driving module, one end of a second resistor is connected to the fourth signal input port, the other end of the second resistor is connected to the signal output end of the second switch control module through the input end of the second DOB driving module, the plurality of second ground ports are connected to the signal output end of the second switch control module through the input end of the second DOB driving module, and each second signal output port is connected to one connection port of the LED light source module.
[0060] In specific implementation, the second capacitor is used for signal compensation and filtering, and the second resistor is used for setting the power of the second DOB light source driving chip.
[0061] For example, please refer to Figure 5 , Figure 5The second DOB driving module shown includes 12 second DOB light source driving chips U3-U14, 12 second capacitors C7-C18, 12 second resistors R9-R20, each of U3-U14 includes a third signal input port OPC (pin 4), a fourth signal input port CS (pin 2), two second ground ports GND (pins 6 and 3), and three first signal output ports D1, D2, and D3 (pins 1, 5, 7, and 8); wherein one end of C7 (C8-C18) of each of U3-U14 is connected to OPC, the other end of C7 (C8-C18) is connected to the signal output end F of the second switch control module 3 through the input end SGND of the second DOB driving module 6, one end of R9 (R10-R20) is connected to CS, the other end of R9 (R10-R20) is connected to the signal output end F of the second switch control module 3 through the input end SGND of the second DOB driving module 6, and the two second ground ports GND are connected to the signal output end F of the second switch control module 3 through the input end SGND of the second DOB driving module 6. The second signal output port D1 (pin 8) of each of U3-U14 is connected to the connection port H1 of the LED light source module 7, D2 (pins 1 and 7) is connected to the connection port H2 of the LED light source module 7, and D3 (pin 5) is connected to the connection port H3 of the LED light source module 7.
[0062] The number of DOB light source driving chips in the first DOB driving module 5 and the second DOB driving module 6 described above can be set according to actual needs, which is not limited herein.
[0063] In specific implementation, the number of DOB light source driving chips working can be controlled to adjust the brightness of the LED light source module. For example, when the brightness of the LED light source module needs to be reduced, Q1 is turned on and Q2 is turned off, i.e., U1 and U2 work and U3-U14 do not work, thereby achieving the energy-saving effect.
[0064] In an embodiment, the human body sensing control module 4 described above includes a linear voltage regulator, a main controller, an infrared remote control receiver, a human body motion sensing unit, and an indicator light unit.
[0065] Please refer to Figures 6-9 The input end of the linear voltage regulator U15 (pins 5, 6, 7, and 8 of U15) is connected to the output end HV of the rectifier module 1 through the direct current input end A4 of the human body sensing control module 4; the output end of the linear voltage regulator U15 (pin 3 of U15) is connected to the first port of the main controller U16 (pin 1 of U16). Wherein the other output ends of the linear voltage regulator U15 (pins 1, 2, and 4 of U15) are grounded.
[0066] The second port of the main controller U16 (pin 2 of U16) is connected to the signal input end E of the second switch control module 3 through the second output port Gate2 of the human body sensing control module 4; the third port of the main controller U16 (pin 3 of U16) is connected to the output end IR of the infrared remote control receiver U17; the fourth port of the main controller U16 (pin 4 of U16) is connected to the input end LED_GREEN of the indicator light unit; the fifth port of the main controller U16 (pin 5 of U16) is connected to the signal input end B of the first switch control module 2 through the first output port Gate1 of the human body sensing control module 4; and the sixth port of the main controller U16 (pin 7 of U16) is connected to the output end PIR_DATA of the human body motion sensing unit U18.
[0067] The linear voltage regulator U15 is used to reduce the input voltage and stabilize the voltage supplied to the rear-end circuit; the infrared remote control receiver U17 is used to receive the remote control signal and set the related parameters of the main controller U16, such as the delay time and standby time; the human body motion sensing unit U18 can be a PIR pyroelectric infrared sensor or a microwave human body sensor, which is used to detect whether there is human body motion; the indicator light unit includes an indicator light LED121, and the human body motion sensing unit U18 outputs the detected human body motion signal to the main controller U16, which controls the indicator light LED121 to light up when no human body motion is detected.
[0068] In one embodiment, the human body sensing control module 4 further includes an external port P, which is used to externally connect a light sensing element.
[0069] The first end P+ of the external port P is connected to the seventh port (pin 6 of U16) of the main controller U16, and the second end P- of the external port P is connected to the eighth port (pin 8 of U16) of the main controller U16.
[0070] In specific implementation, the light sensing element can be a photoresistor, or other photoelectric elements, or a switch. When the light sensing element is turned on, it is in the daytime state by default, and when the light sensing element is turned off, it is in the dark state by default. The light sensing element is used to detect the environment state (night or day).
[0071] Based on the above DOB light source device, the implementation process can be: if the infrared remote control receiver U17 receives the infrared remote control signal and transmits the remote control signal to the main controller U16, at this time, the main controller U16 will analyze the infrared remote control signal and rewrite the related instructions in the main controller U16; secondly, through the detection of the light sensing parameter of the light sensing element connected to the light sensing element connection port of the main controller U16, the environment state (i.e. day state or night state) of the light sensing element is judged, when the light sensing element is in the night state, the main controller U16 detects the human body movement through the human body movement sensing unit U18, if the human body movement is detected in the detection area range of the human body movement sensing unit U18, then the LED light unit in the LED light source module 7 is turned on through the first DOB driving module and the second DOB driving module, and when no human body movement is detected in the detection area range of the human body movement sensing unit U18 for a preset time period, the brightness of the LED light source module 7 can be reduced by closing the first DOB driving module or the second DOB driving module, and after a continuous preset time period, the LED light source module 7 is controlled to be extinguished.
[0072] In summary, the DOB light source device provided by the embodiment of the present application comprises: a rectifier module, a first DOB driving module, a second DOB driving module, a first switch control module, a second switch control module, a human body sensing control module and an LED light source module; wherein the input end of the rectifier module is connected to the mains, the output end of the rectifier module is connected to the DC input end of the LED light source module, the DC input end of the first switch control module, the DC input end of the second switch control module and the DC input end of the human body sensing control module; the first output port of the human body sensing control module is connected to the signal input end of the first switch control module, the signal output end of the first switch control module is connected to the input end of the first DOB driving module, and the output end of the first DOB driving module is connected to the connection port of the LED light source module; the second output port of the human body sensing control module is connected to the signal input end of the second switch control module, the output end of the second switch control module is connected to the input end of the second DOB driving module, and the output end of the second DOB driving module is connected to the connection port of the LED light source module. The DOB light source design based on human body movement sensing can realize the diversified switching of the on-off state, brightness and color temperature of the LED lamp, meet the energy-saving needs of users, and avoid resource waste.
[0073] The embodiment of the present application also provides an LED lamp, which comprises the DOB light source device as described above. The specific structure of the LED lamp is described above with reference to the description of the DOB light source device, and will not be repeated here.
[0074] The above-described specific embodiments further specifically describe the purposes, technical solutions and beneficial effects of the present application, and it should be understood that the above-described specific embodiments are merely examples of the present application and are not intended to limit the protection scope of the present application, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A DOB light source apparatus, characterized by, include: The system includes a rectifier module, a first DOB driver module, a second DOB driver module, a first switch control module, a second switch control module, a human body induction control module, and an LED light source module. The input terminal of the rectifier module is connected to the mains power, and the output terminal of the rectifier module is connected to the DC input terminal of the LED light source module, the DC input terminal of the first switch control module, the DC input terminal of the second switch control module, and the DC input terminal of the human body sensing control module. The first output port of the human body sensing control module is connected to the signal input terminal of the first switch control module, the signal output terminal of the first switch control module is connected to the input terminal of the first DOB drive module, and the output terminal of the first DOB drive module is connected to the connection port of the LED light source module. The second output port of the human body sensing control module is connected to the signal input terminal of the second switch control module, the output terminal of the second switch control module is connected to the input terminal of the second DOB driver module, and the output terminal of the second DOB driver module is connected to the connection port of the LED light source module.
2. The DOB light source apparatus of claim 1, wherein, The first switch control module includes a first switch and a second switch; Wherein, the first end of the first switch is connected to the DC input terminal of the first switch control module and the third end of the second switch; the second end of the first switch is connected to the input terminal of the first DOB drive module through the signal output terminal of the first switch control module; the third end of the first switch is grounded; the first end of the second switch is connected to the first output port of the human body sensing control module through the signal input terminal of the first switch control module; the second end of the second switch is grounded.
3. The DOB light source apparatus of claim 1, wherein, The second switch control module includes a third switch and a fourth switch; Wherein, the first end of the third switch is connected to the DC input terminal of the second switch control module and the third end of the fourth switch; the second end of the third switch is connected to the input terminal of the second DOB drive module through the signal output terminal of the second switch control module; the third end of the third switch is grounded; the first end of the fourth switch is connected to the second output port of the human body sensing control module through the signal input terminal of the second switch control module; the second end of the fourth switch is grounded.
4. The DOB light source arrangement of any one of claims 2-3, wherein, The first and third switches are N-type metal-oxide-semiconductor field-effect transistors; the second and fourth switches are NPN transistors.
5. The DOB light source apparatus of claim 1, wherein, The LED light source module is composed of multiple LED beads connected in series and parallel. The multiple LED beads are divided into multiple LED light-emitting units, and each LED light-emitting unit corresponds to a connection port. Each connection port is connected to the output terminal of the first DOB driver module and the output terminal of the second DOB driver module.
6. The DOB light source apparatus of claim 5, wherein, The first DOB driving module includes at least one first DOB light source driving chip, at least one first capacitor, and at least one first resistor; Each first DOB light source driving chip comprises a first signal input port, a second signal input port, a plurality of first ground ports and a plurality of first signal output ports; wherein the first signal input port is connected to one end of a first capacitor, the other end of the first capacitor is connected to a signal output end of the first switch control module through an input end of the first DOB driving module, the second signal input port is connected to one end of a first resistor, the other end of the first resistor is connected to the signal output end of the first switch control module through the input end of the first DOB driving module, the plurality of first ground ports are connected to the signal output end of the first switch control module through the input end of the first DOB driving module, and each first signal output port is connected to one connection port of the LED light source module.
7. The DOB light source apparatus of claim 5, wherein, The second DOB driving module comprises at least one second DOB light source driving chip, at least one second capacitor and at least one second resistor; Each second DOB light source driving chip comprises a third signal input port, a fourth signal input port, a plurality of second ground ports and a plurality of second signal output ports; wherein the third signal input port is connected to one end of a second capacitor, the other end of the second capacitor is connected to a signal output end of the second switch control module through an input end of the second DOB driving module, the fourth signal input port is connected to one end of a second resistor, the other end of the second resistor is connected to the signal output end of the second switch control module through the input end of the second DOB driving module, the plurality of second ground ports are connected to the signal output end of the second switch control module through the input end of the second DOB driving module, and each second signal output port is connected to one connection port of the LED light source module.
8. The DOB light source apparatus of claim 1, wherein, The human body sensing control module comprises a linear voltage stabilizer, a main controller, an infrared remote control receiver, a human body motion sensing unit and an indicator light unit; The input end of the linear voltage stabilizer is connected to the output end of the rectifier module through a direct current input end of the human body sensing control module; the output end of the linear voltage stabilizer is connected to a first port of the main controller; The second port of the main controller is connected to a signal input end of the second switch control module through a second output port of the human body sensing control module; the third port of the main controller is connected to the infrared remote control receiver; the fourth port of the main controller is connected to the indicator light unit; the fifth port of the main controller is connected to a signal input end of the first switch control module through a first output port of the human body sensing control module; and the sixth port of the main controller is connected to the human body motion sensing unit.
9. The DOB light source apparatus of claim 8, wherein, The human body sensing control module further comprises an external connection port, which is used for externally connecting a light sensing element; The first end of the external connection port is connected to a seventh port of the main controller; and the second end of the external connection port is connected to an eighth port of the main controller.
10. An LED luminaire, characterized by The LED lamp comprises the DOB light source device according to any one of claims 1-9.