Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A non-constant current driven LED lighting device for plant lighting

A light-emitting device and plant lighting technology, which is applied in the field of plant lighting, can solve the problems of slow stroboscopic irradiation, which cannot meet the needs of plants for extremely fast stroboscopic, and stimulate plant growth.

Active Publication Date: 2020-04-14
ZHONGKE RARE EARTH (CHANGCHUN) CO LTD
View PDF11 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this patent can stimulate the light and dark cycle of plants, the light and dark cycle time of this lighting system is 30 minutes, which is a long cycle time, which belongs to slow strobe irradiation, and cannot meet the needs of some plants for extremely fast strobe
Moreover, the luminous parameters in the bright period stage of this patent are constant, and the illumination cannot be changed according to the luminous curve during the bright period, so that it cannot effectively stimulate better growth of plants

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A non-constant current driven LED lighting device for plant lighting
  • A non-constant current driven LED lighting device for plant lighting
  • A non-constant current driven LED lighting device for plant lighting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] figure 1 and figure 2 The basic structural parts of the LED lighting device of the present invention are shown. like figure 1 As shown, the circuit part connected to the LED lighting device includes a filter circuit 10 , a current limiting circuit 20 , a current control circuit 30 and an LED chip network 400 . The filter circuit 10 , the current limiting circuit 20 , the current control circuit 30 and the LED chip network 400 are serially connected in series, thereby eliminating radio interference and providing security for the LED chip network.

[0044]Preferably, the current control circuit 30 is used to control and divide the current, and control the current in the pulse period to be a non-constant current that changes according to a certain rule in at least two light-emitting stages. The current control circuit 30 at least includes a light engine module 300 . The light engine module 300 cuts the pulse current into two currents varying according to time in one p...

Embodiment 2

[0059] This embodiment is a further improvement on Embodiment 1, and repeated content will not be repeated here.

[0060] Preferably, the preset pulse period lighting parameters of the present invention can be stored in the light engine module, or can be stored in the database 500 connected to the analysis module 100 . The database may be a database set in the current control circuit 30, or a third-party database. Preferably, the database is a cloud database.

[0061] Preferably, the analysis module 100 sends a matching request to the database 500 based on the plant parameters collected by the plant parameter collection module 200 to match at least one set of pulse period luminescence parameters corresponding to the plant parameters. Preferably, the database 500 stores pulse period lighting parameters for various growth stages of various plants. The analysis module 100 matches one set, two sets, three sets or even more pulse period lighting parameters from the database. Pre...

Embodiment 3

[0072] This embodiment is a further improvement on Embodiment 1 or Embodiment 2 and their combination, and the repeated content will not be repeated.

[0073] This embodiment describes the LED chips in the LED chip network in detail. The LED chip network includes at least blue, violet and / or ultraviolet LED chips coated with a luminescent coating. The luminescent coating includes a blue luminescent coating, a yellow luminescent coating and / or a red luminescent coating.

[0074] Preferably, the emission wavelength of the blue LED chip is 460 nanometers. The emission wavelength of the violet LED chip is 400nm. The emission wavelength of the ultraviolet LED chip is 254-365nm.

[0075] The LED light-emitting device formed by LED chips is composed of blue light, purple light or ultraviolet LED chips and blue light-emitting materials, green light-emitting materials, yellow light-emitting materials and / or red light-emitting materials. Wherein, the luminescent range of the yellow ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
emission peakaaaaaaaaaa
emission peakaaaaaaaaaa
Login to View More

Abstract

The present invention relates to a non-constant current driven LED lighting device for plant lighting, which at least includes a light engine module and at least one set of LED chip networks with a lighting drive circuit, and the light engine module divides a cycle of pulse current into at least Two controllable light-emitting stages, based on the changes in the light absorption parameters of plant leaves, respectively adjust the time-related light-emitting parameters of each light-emitting stage to form a set of time-related pulse period light-emitting parameters, and the LED chip network responds to the The pulse current controlled by the light engine module is used to generate controllable light with light and dark changes within a pulse period, wherein the luminous intensity of at least one luminous stage changes with a luminous curve approaching zero candela. By dividing the pulse cycle into three light-emitting stages, a variety of light-emitting curves are formed, and the strobe frequency of the LED light-emitting device is accelerated, so that plants can quickly carry out photosynthesis under the stimulation of strobe light, and shorten the time for growth and maturity.

Description

technical field [0001] The invention relates to the technical field of plant lighting, in particular to a non-constant current electric drive LED lighting device for plant lighting and a manufacturing method thereof. Background technique [0002] Light Emitting Diode (Light Emitting Diode) is a new type of semiconductor lighting source, which has become a research hotspot in recent years due to its advantages of energy saving, environmental protection, long life and high luminous efficiency. In addition, with the development of semiconductor technology, LEDs are widely used in plant growth because of their pure spectrum, low energy consumption, and long life. The plant growth LED light uses LED as the light source, and its light can replace the sunlight needed by the law of plant growth, and it is a kind of lamp that creates an environment for plant growth and development. [0003] Photosynthesis is one of the indispensable and important factors affecting plant growth and d...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H05B45/30H05B44/00
CPCH05B45/00Y02B20/40
Inventor 李成宇张洪杰王森
Owner ZHONGKE RARE EARTH (CHANGCHUN) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com