CN202455606U

CN202455606U - Microwave sensor

Info

Publication number: CN202455606U
Application number: CN201220005559XU
Authority: CN
Inventors: 刘内生
Original assignee: 刘内生
Current assignee: Zhongshan wonderful Electronic Plastic Product Co., Ltd.
Priority date: 2012-01-09
Filing date: 2012-01-09
Publication date: 2012-09-26
Anticipated expiration: 2022-01-09

Abstract

The utility model relates to a microwave sensor which comprises a lighting fixture, a microwave signal amplification unit, a main control unit and a microwave antenna, wherein the lighting fixture is connected with the main control unit, an output circuit in the main control unit is connected with a power switch, the power switch is respectively connected with a filtering and rectification module, a control chip and an auxiliary power supply, the control chip is connected with a dimming control module through a triode circuit, the microwave signal amplification unit is installed between the main control unit and the microwave antenna, an auxiliary power supply in the main control unit is connected with a voltage stabilization polarization module in the microwave signal amplification unit, and the voltage stabilization polarization module is connected with a delay output control module through a signal amplifier; and the dimming control module is connected with the delay output control module in the microwave signal amplification unit. The microwave sensor is installed in a lamp cap, and has the characteristics of sensitive brightness regulation, flexibility and convenience in use, long sensing distance and accurate delay control.

Description

A kind of microwave induced device

Technical field

The utility model relates to microwave induced automatic control lamp technology, relates in particular to a kind of microwave induced device.

Background technology

The living standard of Along with people's improves, and need use the usefulness of various light fixtures as illumination or decoration at ordinary times in the life.At present; The automatic control lamp tool that generally uses on the market comprises infrared induction harmony tone sense sense light etc. automatically; But these two kinds of lamps all can receive ectocine easily, can exert an influence to infrared induction such as temperature, thunder etc. other out-of-bounds boundary's noise can let phonoreception should produce wrong report.

The utility model content

To above defective, the utility model provides that a kind of brightness regulation is sensitive, flexible and convenient to use, time-delay control accurately, the better microwave induced device of interference free performance, to solve many deficiencies of prior art.

For realizing above-mentioned purpose, the utility model adopts following technical scheme:

A kind of microwave induced device; Comprise lighting, microwave signal amplifying unit, main control unit, microwave antenna; Lighting is connected with main control unit; The inner output circuit of said main control unit is connected with mains switch, and said mains switch connects filtering and rectification module, control chip, accessory power supply respectively, and this control chip passes through transistor circuit connection dimming controlling module; The inner accessory power supply of microwave signal amplifying unit and main control unit is installed between main control unit and microwave antenna is connected with the inner voltage stabilizing biasing module of microwave signal amplifying unit, this voltage stabilizing biasing module is passed through signal amplifier and is connected with the delay output control module; Said dimming controlling module is connected with the inner delay output control module of microwave signal amplifying unit.

The beneficial effect of the described microwave induced device of the utility model is:

(1) brightness regulation is sensitive, flexible and convenient to use, distance of reaction is long, and time-delay control accurately;

(2), be used to make the size of microwave signal can trigger light adjusting controller, and can realize photosensitive time-delay control through the microwave signal amplifying unit is set;

(3) through main control unit is set, when microwave signal was smaller, circuit control PWM output was at low power consumpting state, and LED is little bright; Sense certain microwave when there are objects moving, circuit can be controlled the output of PWM light modulation end and will operate at full capacity; After one period time of delay setting, will get into low loaded work piece state (power can be regulated arbitrarily when hanging down load) between being minimal at full capacity, when microwave signal is come in again, more than the repetitive cycling;

(4) the mains switch part can be made up of pulse width modulation (PWM) control IC and MOSFET, constant current output.

Description of drawings

According to accompanying drawing the utility model is done further explain below.

Fig. 1 is the overall structure sketch map of the described microwave induced device of the utility model embodiment.

Embodiment

As shown in Figure 1; The described microwave induced device of the utility model embodiment is installed in the lamp holder the inside, comprises lighting 1, microwave signal amplifying unit 2, main control unit 3, microwave antenna 4, and said lighting 1 is connected with main control unit 3; These main control unit 3 inner output circuits 36 are connected with mains switch 37; Said mains switch 37 connects filtering and rectification module 34 respectively, is used for control chip 33, the accessory power supply 32 of PWM controller and constant current control, and this control chip 33 connects dimming controlling module 35 through transistor circuit, and this dimming controlling module 35 is connected with microwave signal amplifying unit 2 inner delay output control modules 24; When 1. the state of transistor circuit wherein comprises no signal; The R2 output low level, triode Q conducting, PWM control IC output low-power (little bright); When 2. signal being arranged, R2 exports high level, and triode Q ends, PWM control IC output high-power (bright entirely).Filtering wherein and rectification module 34 outsides are furnished with power factor processing module 31; Microwave signal amplifying unit 2 is installed between main control unit 3 and microwave antenna 4 and main control unit 3 inner accessory power supplys 32 are connected with the voltage stabilizing biasing module 21 of signal amplification unit 2 inside; This voltage stabilizing biasing module 21 is connected said signal amplifier 23 exterior arrangement light-operated circuits 22 through signal amplifier 23 with delay output control module 24.

The described microwave induced device of above the utility model embodiment, its function mainly comprises following:

Microwave signal amplifying unit 2 wherein is used to make the size of microwave signal can trigger light adjusting controller, and can realize photosensitive time-delay control;

Main control unit 3 wherein, when microwave signal was smaller, circuit control PWM output was at low power consumpting state, and LED is little bright; As when sensing certain microwave, circuit can be controlled the output of PWM light modulation end and will operate at full capacity; After one period time of delay setting, will get into low loaded work piece state (power can be regulated arbitrarily when hanging down load) between being minimal at full capacity, when microwave signal is come in again, more than the repetitive cycling;

Mains switch 37 parts wherein can be made up of pulse width modulation (PWM) control IC and MOSFET, constant current output;

Filtering wherein and rectification module 34 are used for electromagnetic interference to be handled, and grid alternating current is transformed to direct current;

Microwave antenna 4 wherein is used to pick up microwave signal, and microwave signal is converted into the signal of telecommunication.

Above embodiment is more preferably embodiment a kind of of the utility model, and common variation that those skilled in the art carry out in present technique scheme scope and replacement should be included in the protection range of the utility model.

Claims

1. microwave induced device; Comprise lighting (1), microwave signal amplifying unit (2), main control unit (3) and microwave antenna (4); Lighting (1) is connected with main control unit (3); It is characterized in that: the inner output circuit (36) of said main control unit (3) is connected with mains switch (37); Said mains switch (37) connects filtering and rectification module (34), control chip (33), accessory power supply (32) respectively; This control chip (33) connects dimming controlling module (35) through transistor circuit, is positioned between main control unit (3) and the microwave antenna (4) microwave signal amplifying unit (2) to be installed and the inner accessory power supply (32) of main control unit (3) is connected with the inner voltage stabilizing biasing module (21) of signal amplification unit (2), and this voltage stabilizing biasing module (21) is passed through signal amplifier (23) and is connected with delay output control module (24).

2. microwave induced device according to claim 1 is characterized in that: said dimming controlling module (35) is connected with the inner delay output control module (24) of microwave signal amplifying unit (2).