CN204669691U

CN204669691U - Light modulating device

Info

Publication number: CN204669691U
Application number: CN201520394474.9U
Authority: CN
Inventors: 黄丽
Original assignee: ZHONGSHAN JMZ LIGHTING EQUIPMENT CO Ltd
Current assignee: ZHONGSHAN JMZ LIGHTING EQUIPMENT CO Ltd
Priority date: 2015-06-08
Filing date: 2015-06-08
Publication date: 2015-09-23
Anticipated expiration: 2025-06-08

Abstract

A kind of light modulating device, comprise LED and LED power, described LED and LED power form loop, also resistance is serially connected with in this loop, photoinduction control signal is serially connected in this loop by the first switch element, and the image recognition control signal exported by DSP or ARM passes through second switch element in parallel at the two ends of resistance.Described first switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.Described relay comprises solid-state relay.Described second switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.Camera connects with the processing module of DSP or ARM, DSP or ARM output image identification control signal, the processing module of DSP or ARM is provided with the Peripheral Interface of data communication.The utility model has flexible operation and the low feature of energy consumption.

Description

Light modulating device

Technical field

The utility model relates to a kind of light modulating device.

Background technology

Current public place illuminating LED lamp adopts the open and close of time controller or Artificial Control LED, due to the conversion in season, darkness and at day between there is gradual change, if adjust the open and close time of LED not in time, then there will be darkness not turn on light, daybreak does not turn off the light, and brings inconvenience to people's trip or wastes power supply.

China's micropolis is after night 9, and big and medium-sized cities are after midnight 12, almost empty on road, even if the busy city that Beijing, Shanghai, Guangzhou are such, after 2:00 AM, on road, also pedestrian, vehicle are less.When the low magnitude of traffic flow, the brightness that public place illumination keeps Original Photo bright, is not regulate and control brightness of illumination as required, wastes power supply in vain.The detection range of existing infrared induction, Doppler's induction (radar induction) is near and can not identify static personnel, and distance is not suitable for detection range requirement public illumination LED far away.

Chinese patent literature CN 204127795 U disclosed a kind of adjustable spectroscopic light source for Color Image Acquisition on 01 28th, 2015, it is characterized in that: multispectral lighting unit composes in parallel full spectral luminescence unit by the LED light-emitting diode of 7 different wavelength range, the wherein LED of 7 LED light-emitting diode employing different wave lengths, each LED light-emitting diode is connected respectively to 7 amplifier-drivers, be connected with DSP processing module again, DSP processing module is connected with spectra collection feedback unit circuit, Spectral beam combining controls to comprise LED interface with driver element circuit, amplifier-driver, DSP processing module, spectra collection feedback unit interface, USB interface of computer, power supply, its a set of light source just can realize multiple different spectral signature composition, is adapted to all objects of different lighting demand.

Utility model content

The purpose of this utility model aims to provide a kind of simple and reasonable, light modulating device that flexible operation, cost of manufacture are low, to overcome weak point of the prior art.

By a kind of light modulating device that this object designs, comprise LED and LED power, it is characterized in that described LED and LED power form loop, also resistance is serially connected with in this loop, photoinduction control signal is serially connected in this loop by the first switch element, and the image recognition control signal exported by DSP or ARM passes through second switch element in parallel at the two ends of resistance.

Further, described first switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.

Further, described relay comprises solid-state relay.

Further, described second switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.

Further, described relay comprises solid-state relay.

Further, described camera connects with the processing module of DSP or ARM, DSP or ARM output image identification control signal, the processing module of DSP or ARM is provided with the Peripheral Interface carrying out data communication with Wi-Fi, 3G or 4G; And/or, the processing module of DSP or ARM is provided with the interface connected with transmission device for power line carrier communication.

Further, described light modulating device, also comprises light-operated low power consumption switch circuit, and described light-operated low power consumption switch circuit comprises for controlling controlled source work whether photoinduction control signal, and described photoinduction control signal connects with LED power.

LED in the utility model and LED power form loop, also resistance is serially connected with in this loop, photoinduction control signal is serially connected in this loop by the first switch element, and the image recognition control signal exported by DSP or ARM passes through second switch element in parallel at the two ends of resistance; In other words, in the lighting loop of LED, insert resistance, utilize resistance to reduce the electric current flowing through LED, reduce the brightness of LED, by graphics control signals, control this resistance of second switch element short, thus reach the object increasing LED luminance.

The utility model is by the illumination of testing environment bias light, and realize turning off the light daytime, darkness is turned on light, and daybreak turns off the light, and realizes highlighted and low bright illumination by image recognition control signal, thus realizes throwing light on as required, energy savings; So, in search coverage when nobody or object of which movement, only provide base lighting, when having people or object of which movement, provide enough illuminations, energy savings.Environmentally the illumination of bias light opens and closes light fixture, ensures that the time of switch lamp is synchronous with the change in season.

The picture signal of the camera collection in the utility model, utilizes the Peripheral Interface in DSP/ARM processing module, completes the data communication between DSP/ARM processing module and Wifi/3G/4G, realizes function and the remote monitoring of man-machine interaction.

The utility model is being turned on light at dark automatically, at day automatically turn off the light, unmanned or object of which movement in investigative range, only adopt 20 ~ 30% sufficient power illuminations, someone or object move sufficient power illumination in investigative range, accomplish to throw light on as required, the LED of the timing open and close controlled than common clock switch saves the electricity charge up to 47%, and it has simple and reasonable, flexible operation and the low feature of energy consumption.

Accompanying drawing explanation

Fig. 1 is the utility model first embodiment circuit connection diagram.

Fig. 2 is the utility model second embodiment circuit connection diagram.

Fig. 3 is the utility model the 3rd embodiment circuit connection diagram.

Fig. 4 is the utility model the 4th embodiment circuit connection diagram.

Fig. 5 is the utility model the 5th embodiment circuit connection diagram.

Fig. 6 is the utility model the 6th embodiment circuit connection diagram.

Fig. 7 is the utility model the 7th embodiment circuit connection diagram.

Fig. 8 is the utility model the 8th embodiment circuit connection diagram.

Fig. 9 is the utility model the 9th embodiment circuit connection diagram.

Figure 10 is light-operated low power consumption switch circuit connection diagram of the present utility model.

Embodiment

Below in conjunction with drawings and Examples, the utility model is further described.

See Fig. 1-Figure 10, this light modulating device, comprise LED and LED power, described LED and LED power form loop, also resistance is serially connected with in this loop, photoinduction control signal is serially connected in this loop by the first switch element, and the image recognition control signal exported by DSP or ARM passes through second switch element in parallel at the two ends of resistance.

In the present embodiment, described first switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.Described relay comprises solid-state relay.

Described second switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.Described relay comprises solid-state relay.

Described camera connects with the processing module of DSP or ARM, DSP or ARM output image identification control signal, the processing module of DSP or ARM is provided with the Peripheral Interface carrying out data communication with Wi-Fi, 3G or 4G; And/or, the processing module of DSP or ARM is provided with the interface connected with transmission device for power line carrier communication.As for, transmission device for power line carrier communication belongs to prior art, is described later in detail at Chinese patent literature CN 102594411A.In the present embodiment, the signal transmission that camera receives to the processing module of DSP or ARM is converted into analog or digital signal and adds address code, then packet is converted into, this packet is delivered to mster-control centre by transmission device for power line carrier communication, thus can monitor the region at camera place.

Described light modulating device, also comprises light-operated low power consumption switch circuit, and described light-operated low power consumption switch circuit comprises for controlling controlled source work whether photoinduction control signal, and described photoinduction control signal connects with LED power; See Figure 10.

When pre-set threshold value higher than photoinduction control signal of the illuminance of environment, the power supply of cutting-off controlling module except light-operated hysteresis circuitry, to ensure that quiescent dissipation meets European Union or America requirement.About light-operated hysteresis circuitry, have a detailed description in the application documents before the applicant, just repeat no more here.

Wherein, Fig. 1-Fig. 4 is that photoinduction control signal is serially connected in this loop by triode, and image recognition control signal is connected in parallel on the two ends of resistance by triode.

Fig. 5-Fig. 8 is that photoinduction control signal is serially connected in this loop by metal-oxide-semiconductor, and image recognition control signal is connected in parallel on the two ends of resistance by metal-oxide-semiconductor.

Fig. 9 is that photoinduction control signal is serially connected in this loop by triode group, and image recognition control signal is connected in parallel on the two ends of resistance by triode group.

More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims

1. a light modulating device, comprise LED and LED power, it is characterized in that described LED and LED power form loop, also resistance is serially connected with in this loop, photoinduction control signal is serially connected in this loop by the first switch element, and the image recognition control signal exported by DSP or ARM passes through second switch element in parallel at the two ends of resistance.

2. light modulating device according to claim 1, is characterized in that described first switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.

3. light modulating device according to claim 2, is characterized in that described relay comprises solid-state relay.

4. light modulating device according to claim 1, is characterized in that described second switch element is one-way SCR, bidirectional triode thyristor, photoelectrical coupler, optical coupling bidirectional triode thyristor, triode, relay and/or metal-oxide-semiconductor.

5. light modulating device according to claim 4, is characterized in that described relay comprises solid-state relay.

6. light modulating device according to claim 1, it is characterized in that camera connects with the processing module of DSP or ARM, DSP or ARM output image identification control signal, the processing module of DSP or ARM is provided with the Peripheral Interface carrying out data communication with Wi-Fi, 3G or 4G; And/or, the processing module of DSP or ARM is provided with the interface connected with transmission device for power line carrier communication.

7. according to the arbitrary described light modulating device of claim 1 to 6, it is characterized in that also comprising light-operated low power consumption switch circuit, described light-operated low power consumption switch circuit comprises for controlling controlled source work whether photoinduction control signal, and described photoinduction control signal connects with LED power.