# US 11,029,010 B2 · Sensor light and a system for preventing false triggering of a sensor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,029,010 B2 - Document ID: US11029010B2 - Status: Granted - Kind: B2 - Application number: 16/466,136 - Filed: 2017-07-06 - Published: 2020-03-05 - Granted: 2021-06-08 - Earliest claimed: 2016-12-23 - Assignees: Zhejiang Shenghui Lighting Co., Ltd - Applicants: Zhejiang Shenghui Lighting Co., Ltd. - Inventors: Yehua Wan; Xuchu Ge; Jinxiang Shen - Web page: https://patentgrep.com/patent/US11029010B2 ## CPC - F21K 9/233: specially adapted for generating a spot light distribution, e.g. for substitution of reflector lamps - F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors} - F21K 9/60: Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction - F21V 5/045: {the lens having discontinuous faces, e.g. Fresnel lenses} - F21V 23/0471: {the sensor detecting the proximity, the presence or the movement of an object or a person} - F21V 29/15: Thermal insulation - G01J 5/0025: {Living bodies (ear thermometers G01J5/0011; detecting, measuring or recording for diagnostic purposes A61B5/00)} - G01J 5/06: Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity (for adjusting of solid angle of collected radiation G01J5/07; means for wavelength selection G01J5/0801) - G01J 5/0806: Focusing or collimating elements, e.g. lenses or concave mirrors - G01J 5/0875: Windows; Arrangements for fastening thereof - H05B 47/105: in response to determined parameters - F21Y 2103/33: annular - F21Y 2115/10: Light-emitting diodes [LED] - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract The present disclosure provides a sensor light and a system for preventing false triggering of a sensor. The sensor light includes a sensor module, a light emitting module, a power drive circuit, and a shielding component. The sensor module is configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light meets a preset condition. The light emitting module is configured to emit light. The power drive circuit is connected to the sensor module and the light emitting module, and configured to receive the trigger signal from the sensor module, and control the light emitting module to emit light in response to the trigger signal. The shielding component is disposed between the sensor module and the light emitting module, and configured to shield the sensor module from radiation of infrared light generated by the light emitting module. ## Claims ### Claim 1 A sensor light, comprising: a sensor module configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light meets a preset condition; a light emitting module configured to emit light; a power drive circuit connected to the sensor module and the light emitting module, and configured to receive the trigger signal from the sensor module, and control the light emitting module to emit light in response to the trigger signal received from the sensor module; a Fresnel lens configured to cover the sensor module and concentrate the incoming infrared light for the sensor module, wherein the light emitting module is located outside the Fresnel lens; and a shielding component disposed between the sensor module and the light emitting module, and configured to shield the sensor module from radiation of infrared light generated by the light emitting module; wherein: the shielding component originates at a same or lower horizontal level than the sensor module, and surrounds a side of the sensor module, a horizontal level referring to a level of a plane perpendicular to an axis direction of the sensor light; a highest horizontal level of the shielding component is greater than a highest horizontal level of the light emitting module; and the shielding component includes a first layer covered by the Fresnel lens and a second layer that surrounds a side of the Fresnel lens. ### Claim 2 (depends on 1) The sensor light according to claim 1, wherein: the highest horizontal level of the shielding component is greater than a highest horizontal level of the sensor module. ### Claim 3 (depends on 2) The sensor light according to claim 2, wherein: a height of the shielding component is determined based on a lighting intensity of the light emitting module, the highest horizontal level of the light emitting module, a location of the sensor module, and the highest horizontal level of the sensor module. ### Claim 4 (depends on 1) The sensor light according to claim 1, wherein: the highest horizontal level of the shielding component is no greater than a highest horizontal level of the Fresnel lens. ### Claim 5 (depends on 1) The sensor light according to claim 1, wherein: the shielding component includes a vertical wall or a slanted wall. ### Claim 6 (depends on 5) The sensor light according to claim 5, wherein: a slanted degree of the shielding component corresponds to a lighting intensity of the light emitting module, a location of the sensor module, and the highest horizontal level of the sensor module. ### Claim 7 (depends on 1) The sensor light according to claim 1, wherein: a top end of the shielding component is open; and a cross section of the shielding component has a circular shape, an eclipse shape, or a rectangular shape. ### Claim 8 (depends on 1) The sensor light according to claim 1, wherein: the sensor module is disposed on a center of a substrate of the light emitting module; the light emitting module includes a plurality of LED light emitters scattered around the center of the substrate of the light emitting module; and a lens holder is disposed on a substrate of the sensor module for mounting the Fresnel lens. ### Claim 9 (depends on 1) The sensor light according to claim 1, wherein: a material of the shielding component is non-polyolefin. ### Claim 10 (depends on 1) The sensor light according to claim 1, wherein: a thickness of the shielding component and a distance between the shielding component and the light emitting module is determined based on a lighting intensity of the light emitting module. ### Claim 11 (depends on 1) The sensor light according to claim 1, further comprising: a housing including an opening top part and a bottom part, a lamp holder for connecting to the bottom part of the housing, a reflector, and an optical lens structure; wherein: the sensor module, the light emitting module, and the power drive circuit are installed in the housing through the opening top part; the reflector and the optical lens structure are sequentially disposed at the opening top part; and the optical lens structure has a compatible shape for covering the opening top part of the housing. ### Claim 12 (depends on 11) The sensor light according to claim 11, wherein: an inner edge of the top opening part includes a first mounting structure and a second mounting structure, the first mounting structure being closer to a top end of the housing than the second mounting structure; the optical lens structure is mounted on the first mounting structure by a first fastening piece; and the light emitting module is mounted on the second mounting structure by a second fastening piece. ### Claim 13 A system for preventing false triggering of a sensor module, comprising: a sensor module configured to measure incoming infrared light radiated to the sensor module, and generate a trigger signal when the measured infrared light satisfies a preset condition; a shielding component located between the sensor module and a heat dissipation source, and configured to shield the sensor module from radiation of infrared light generated by the heat dissipation source; and a Fresnel lens configured to cover the sensor module and concentrate the incoming infrared light for the sensor module, wherein the heat dissipation source is located outside the Fresnel lens; wherein: the shielding component originates at a same or lower horizontal level than the sensor module, and surrounds a side of the sensor module; the highest horizontal level of the shielding component is greater than a highest horizontal level of the heat dissipation source; and the shielding component includes a first layer covered by the Fresnel lens and a second layer that surrounds a side of the Fresnel lens.