CN201129689Y - Human body sensor LED light with adjustable detection direction - Google Patents

Abstract

The utility model relates to a lighting device which is triggered by simultaneous light receiving and human body infrared control and automatically delays for a period of time to turn off after a certain period of time. It discloses a human body induction LED lamp with adjustable detection orientation. , detector circuit board, circuit board fixing ring, detector bottom cover, detector bracket, lamp translucent cover, main circuit board and lamp chassis are sequentially connected, the detector bracket is provided with two short shafts, and the detector housing is provided with Corresponding holes, the two short shafts snap into the corresponding holes, the bottom of the detector bracket is provided with elastic pawls, the pawls snap into the corresponding matching holes of the light transmission cover, and the pawls and the light transmission cover are connected by rotation . Therefore, it is very convenient to install and adjust the device to realize the human body induction automatic time-delay lighting function.

Description

Human body sensor LED light with adjustable detection direction

technical field

The utility model relates to an illuminating device which is triggered by simultaneous light receiving and human body infrared control and automatically delays for a period of time before turning off, in particular, the signal processing part circuit of the human body infrared detector and a Nefer lens are combined into one component, which is installed on A stand with two degrees of freedom adjustment, followed by the use of long-life energy-efficient LEDs as the light source for the device.

Background technique

At present, there are two types of human body sensor lamps on the market: one is that the human body sensor control part and the lamp are divided into two independent products, and the human body sensor control part is made into a human body sensor switch with a fixed detector. It is equipped with incandescent lamps, and cannot be equipped with high-efficiency light sources such as electronic energy-saving lamps, fluorescent lamps, and LED bulbs; the other is a human body induction lamp that integrates the human body sensor control part and lamps. The light source is mainly incandescent lamps and electronic energy-saving lamps. At present, the human body induction detectors used in lamps and lanterns on the market are all fixed. The sensing area of general human body induction detectors is a conical area between 100° and 120°. The detection area is fixed. For the installation position of lamps In terms of variety, it is very inconvenient. If it is installed on a 2.8-meter-high ceiling, people must go to a place within 4.5 meters below the lamp to trigger the lamp. Can light up. If it is installed in the stairwell, the situation is fine when you go upstairs, but when you go downstairs, people have to go down to a place several steps away from the lamp in the dark before the lamp is triggered, which is very inconvenient to use.

Utility model content

People use human body induction automatic control devices for energy saving, but at the same time they have to face many inconvenient problems in use. The utility model provides a long-life, high-efficiency and energy-saving LED light source. The detection direction can be adjusted and triggered by light and human body induction control simultaneously. The lighting device that is automatically turned off after a certain time delay brings convenience to the majority of users for lighting at night and realizing energy saving.

The technical problems solved by the utility model are mainly solved by the following technical solutions: the human body induction LED lamp with adjustable detection orientation, in the insulating shell, the Nephil lens, the circuit board positioning ring, the detector circuit board, the circuit board The fixing ring, the bottom cover of the detector, the detector bracket, the lamp translucent cover, the main circuit board and the lamp chassis are sequentially connected. The shaft is snapped into the corresponding hole, and the bottom of the detector bracket is provided with an elastic pawl, which is clipped into the corresponding matching hole of the light transmission cover of the lamp, and the pawl is rotationally connected with the light transmission cover of the lamp.

Therefore, the beneficial effect of the utility model is: the device can be installed in an appropriate position very conveniently, and the detection direction of the human body induction detector can be adjusted by rotating the detector bracket or pulling the detector, so that the Nefer lens faces the desired In the detected area, the detector outputs control signals to control the working state of the switching power supply, and the switching power supply drives 36 super bright white LEDs to emit light, so as to realize the automatic delay lighting function of human body induction. The installation and adjustment of this device are very convenient. The light source adopts long-life, high-efficiency and energy-saving LEDs. This device provides luminous flux equivalent to 30W of incandescent lamps with 3W power consumption.

Description of drawings

FIG. 1 is a schematic diagram of the structure of the detector in Embodiment 1.

Fig. 2 is the structural representation of embodiment 1.

Figure 3 is the schematic diagram of the main circuit board.

Figure 4 is a schematic diagram of the detector circuit.

Since there are many components, the names of the specific components in the drawings are described in a list.

Reference signs Component name Reference signs Component name 1 Detector housing 8 Detector bottom cover 2 Nefer lens 9 Detector bracket

3 Circuit board positioning ring 10 Lighting Translucent Cover 4 Photoresistance 11 Main circuit board 5 Pyroelectric infrared sensor probe 12 Lamp chassis 6 Detector circuit board 13 Probe part 7 Circuit board fixing ring 14 Light source part

Detailed ways

Below in conjunction with accompanying drawing 1 to accompanying drawing 4 the utility model is further described.

Embodiment 1. Human body induction LED lights with adjustable detection orientation. Detector bracket 9, lamp translucent cover 10, main circuit board 11 and lamp chassis 12 are sequentially connected, a round hole at the front end of the detector housing 1 protrudes the Nephil lens 2 out of the housing, and the detector circuit board 6 is positioned through the circuit board The ring 3 presses the Nefer lens 2, and at the same time aligns the sensing window of the pyroelectric infrared sensing probe 5 welded on the detector circuit board 6 with the focus of the Nefer lens 2, and the photoresistor 4 is also fixed on the circuit board 6, the intensity of ambient light can be irradiated on the photoresistor 4 through the Nefer lens 2, the circuit board fixing ring 7 presses the detector circuit board 6, and the detector bottom cover 8 is fixed on the detector through the fixing slot On the shell 1, press the circuit board fixing ring 7 tightly at the same time. The two short axes of the detector bracket 9 snap into the two corresponding holes on the top of the detector housing 1, and the elastic pawls at the bottom of the detector bracket 9 snap into the corresponding matching holes of the lamp translucent cover 10, and the control signal of the detector The power supply is connected with the main circuit board 11 fixed on the lamp chassis 12 by using three-core insulated wires. The three-core insulated wire enters the lamp through the small hole on the bottom cover 8 of the controller and the center hole of the detector bracket 9 and is connected with the main circuit board 11 by a three-core connector.

In Fig. 3, 220V commercial power is introduced into the main circuit board of the present utility model by power supply insulated wire, main power supply part, control executive part, switching power supply part and light source part 14 circuits are all welded on a main circuit board, and commercial power is passed through D2 , D3 D4, D5 composed of bridge rectifier circuit rectification, and then filtered by C13, one way is stepped down by R13, and then the voltage is stabilized and filtered by Zener diode D6 and filter capacitor C14 to supply power to the detector; the other way is composed of Q1 and Q2 After the switch circuit passes through the buffer circuit R14 and the filter capacitor C15, it supplies power to the switch power supply. It consists of single-chip switching power supply integrated circuit U2 and switching transformer T1 as the core, capacitors C01, C12, C17~C21, resistors R12, R15~R21, diodes D7, D8, D1, transistor Q3, voltage regulator integrated circuit U4 and photocoupler The switching power supply circuit composed of U3, R12 and C12 form the starting circuit, and the starting switching circuit works; among them, C17 is a timing capacitor, and the size of C17 determines the operating frequency of the switching power supply; R15 is an over-current protection sampling resistor, and the size of R15 determines the over-current protection of U1 The working point of the circuit control, R16, C19, D8 form a compensation circuit to improve the waveform of the circuit; D1 and C20 form a rectification filter circuit; Q8 and R21 form a constant current sampling circuit, so that the circuit can supply constant current to the LED light source circuit Power supply; R20, R19, R18, C21, and U3 form a voltage stabilizing circuit to keep the voltage constant when the circuit is no-load; current sharing resistors R301~R312 and super bright white LEDs, D301-1~D312-1, D301-2~D312- 2. D301-3～D312-3 form the light source circuit.

In Figure 4, the detector circuit board consists of pyroelectric infrared probe PIR, photosensitive resistor R1, pyroelectric infrared control ASIC U1, resistors R2~R11 and capacitors C1~C11 to form a detector control circuit, where PIR and R2 , C2, C7 form the pyroelectric infrared probe power supply and sampling circuit; photoresistor R1, trimmer resistor R4, C4 form the light control sampling circuit; trimmer resistor R3, R8, C5 form the delay time adjustment circuit; C1, C6, C8 , C9, C10, C11, R5, R9, R10, R11, and U1 cooperate to form an infrared probe signal processing circuit; the control signal output by the controller is output through R6 through pin 11 of U1. The control signal and the positive and negative power lines are introduced into the main circuit board by a three-core insulated wire.

Use a photoresistor and a pyroelectric infrared sensor, use a signal processing circuit composed of a CS9803GP pyroelectric infrared control ASIC and related peripheral components to process the output signals of the photoresistor and pyroelectric infrared sensor, The 11-pin output control signal of CS9803GP controls the composite tube switching circuit composed of two transistors MJ13001, controls the working state of the switching power supply circuit composed of single-chip switching power supply circuit THX203H and EE19 switching transformer as the core, and is controlled by the voltage stabilizing integrated circuit TL431 A constant current, voltage stabilizing circuit and filter circuit composed of a triode S8050 and related resistance-capacitance components supply power to a light source circuit composed of 36 super bright white LEDs to realize the lighting function of automatic time-delayed infrared sensor control of the human body; The lens, detector housing, detector circuit board, circuit board positioning ring, circuit board fixing ring, detector bottom cover and detector bracket form a detector component. There are two holes with a diameter of 5 mm in the middle of the detector housing. The two holes are connected with a bracket with two short shafts, and the detector can rotate around the axis; the detector bracket is connected with the corresponding matching hole of the lamp through an elastic pawl, and the pawl and the lamp can be rotated, so as to realize human body infrared The adjustment function of the two degrees of freedom of the induction detector.

Claims (1)

1. the adjustable human body sensing LED lamp of directional bearing, in insulation crust, Nie Feier lens (2), circuit board locating ring (3), detector circuit plate (6), circuit board retainer ring (7), detector bottom (8), detector carriage (9), light fixture diffuser (10), main circuit board (11) and Lamp base (12) are linked in sequence, it is characterized in that: detector carriage (9) is provided with two minor axises, probe body is provided with corresponding hole above (1), two minor axises snap in the corresponding hole, detector carriage (9) bottom is provided with elastic pawl, ratchet snaps in the corresponding mating holes of light fixture diffuser (10), is rotationally connected between ratchet and the light fixture diffuser (10).

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