CN110594614A - Portable LED panel light capable of being suspended for use - Google Patents
Portable LED panel light capable of being suspended for use Download PDFInfo
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- CN110594614A CN110594614A CN201911033748.0A CN201911033748A CN110594614A CN 110594614 A CN110594614 A CN 110594614A CN 201911033748 A CN201911033748 A CN 201911033748A CN 110594614 A CN110594614 A CN 110594614A
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- led lamp
- led
- voice signal
- processing
- user voice
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/40—Hand grips
- F21V21/406—Hand grips for portable lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/45—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of analysis window
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- 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
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/225—Feedback of the input speech
Abstract
The invention provides a portable LED panel lamp capable of being hung for use, which comprises an LED panel lamp body, wherein the LED panel lamp body comprises two LED lamp boxes, and a group of opposite side surfaces of the LED lamp boxes are an A surface and a B surface respectively; an LED lamp strip is arranged on the surface A of the LED lamp box; the upper surface of the LED lamp box is provided with a movable handle; the lower surface of the LED lamp box is provided with a hinge block; the surfaces A of the two LED lamp boxes are arranged oppositely, or the surfaces B of the two LED lamp boxes are arranged oppositely; the hinged blocks of the two LED lamp boxes are respectively hinged at two ends of the connecting arm. The invention is convenient to carry, can adapt to the use of different scenes and has strong flexibility.
Description
Technical Field
The invention relates to the technical field of LED panel lamps, in particular to a portable LED panel lamp capable of being hung for use.
Background
The LED flat lamp is used as one of the LED lamps, has wide utilization rate in the current society, and has small volume, thin thickness and very common use requirements.
In the prior art, the LED flat lamp is usually installed and used in a suspension mode, but the LED flat lamp can only be fixedly installed, and one LED flat lamp can only be fixed on one position, so that the LED flat lamp is not flexible to use.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a portable LED flat lamp capable of being suspended for use.
The purpose of the invention is realized by adopting the following technical scheme:
a portable LED flat lamp capable of being hung for use comprises an LED flat lamp body, wherein the LED flat lamp body comprises two LED lamp boxes, and a group of opposite side surfaces of the LED lamp boxes are an A surface and a B surface respectively;
an LED lamp strip is arranged on the surface A of the LED lamp box;
the upper surface of the LED lamp box is provided with a movable handle;
the lower surface of the LED lamp box is provided with a hinge block;
the surfaces A of the two LED lamp boxes are arranged oppositely, or the surfaces B of the two LED lamp boxes are arranged oppositely;
the hinged blocks of the two LED lamp boxes are respectively hinged at two ends of the connecting arm.
Furthermore, power modules are respectively arranged in the two LED lamp boxes, and the power modules in the LED lamp boxes are connected with the LED lamp strips of the LED lamp boxes.
Furthermore, a power supply module is arranged in one of the LED lamp boxes and is respectively connected with the LED lamp strips of the two LED lamp boxes.
Furthermore, the upper surface of the LED lamp box is provided with a fixed seat, and the movable handle is hinged on the fixed seat.
Furthermore, the hinged block is provided with a hinged shaft, and the hinged block is hinged and connected with a hinged head at one end of the connecting arm through the hinged shaft.
Further, the hinged block is arranged at the center of the lower surface of the LED lamp box, and the length of the connecting arm is larger than or equal to the width of the lower surface of the LED lamp box.
Further, the lower surface of the LED lamp box is provided with a foot pad, and the height of the foot pad is larger than the thickness of the hinge block and the thickness of the connecting arm.
Furthermore, a processing module is also arranged in the LED lamp box, and the processing module is connected with the LED lamp strip and used for controlling the LED lamp strip according to the received instruction;
and the LED lamp box is also provided with a control panel, and the control panel is connected with the processing module and used for inputting a control instruction.
Furthermore, a voice acquisition module is also arranged on the LED lamp box; the voice acquisition module is used for acquiring a user voice signal and sending the user voice signal to the processing module;
the processing module also comprises a voice instruction recognition module which is used for carrying out voice recognition processing according to the received user voice signal and recognizing and outputting a control instruction corresponding to the user voice signal.
Further, the voice command recognition module comprises:
the receiving unit is used for receiving the user voice signal acquired by the voice acquisition module;
the preprocessing unit is used for denoising and enhancing the user voice signal and outputting the preprocessed user voice signal;
the voice recognition unit is used for carrying out voice frame detection on the processed user voice signal and outputting a voiced part of the user voice signal;
the characteristic extraction unit is used for carrying out characteristic extraction processing on the voiced part and acquiring the characteristic parameters of the voiced part;
and the instruction identification unit is used for comparing the characteristic parameters of the voiced part with the voice characteristic parameters prestored in the database and identifying the control instructions corresponding to the characteristic parameters.
And the database is prestored with the control command and the corresponding voice characteristic parameters.
The invention has the beneficial effects that: when the surfaces A of the two LED lamp boxes are positioned at the inner sides, the LED lamp bars are protected at the inner sides; at the moment, the user can hold the LED panel lamp through the movable handle, so that the LED panel lamp is convenient to carry; two LED lamp houses can be followed articulated piece and rotated 180 degrees, and at this moment, the A face of two LED lamp houses is located the outside, and the illumination of the LED lamp strip of being convenient for hangs the activity handle of two LED lamp houses and fixed position simultaneously, can adapt to the use of different scenes, and the flexibility is strong.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a state diagram of use of one embodiment of the present invention;
FIG. 3 is another use state diagram of an embodiment of the present invention;
FIG. 4 is a view of the structure of the hinge block and the connecting arm of the present invention;
FIG. 5 is a cross-sectional structural view of another embodiment of the present invention;
FIG. 6 is a block diagram of a processing module framework according to the present invention.
Reference numerals:
the system comprises a 1-LED lamp box, a 2-LED lamp bar, a 3-movable handle, a 4-hinged block, a 5-connecting arm, a 6-foot pad, a 41-hinged shaft, a 51-hinged joint, a 52-through hole, a 71-control panel, a 72-power module, a 73-processing module, a 74-voice acquisition module, a 730-voice instruction recognition module, a 731-receiving unit, a 732-preprocessing unit, a 733-voice recognition unit, a 734-feature extraction unit, a 735-instruction recognition unit and a 736-database.
Detailed Description
The invention is further described in connection with the following application scenarios.
Referring to fig. 1, 2 and 3, a portable suspensible LED flat lamp is shown, which includes an LED flat lamp body, the LED flat lamp body includes two LED lamp boxes 1, and a group of opposite side surfaces of the LED lamp boxes 1 are a surface a and a surface B respectively;
an LED lamp strip 2 is arranged on the surface A of the LED lamp box 1;
the upper surface of the LED lamp box 1 is provided with a movable handle 3;
the lower surface of the LED lamp box 1 is provided with a hinge block 4;
the surfaces A of the two LED lamp boxes 1 are arranged oppositely, or the surfaces B of the two LED lamp boxes 1 are arranged oppositely;
the hinged blocks 4 of the two LED lamp boxes 1 are respectively hinged at two ends of the connecting arm 5.
When the surfaces A of the two LED lamp boxes 1 are positioned at the inner sides, the LED lamp strips 2 are protected at the inner sides; at the moment, the user can roll up the LED panel lamp through the movable handle 3, so that the LED panel lamp is convenient to carry; two LED lamp house 1 can be followed articulated 4 rotatory 180 degrees, and at this moment, the A face of two LED lamp house 1 is located the outside, and the illumination of the LED lamp strip 2 of being convenient for hangs the activity handle 3 of two LED lamp house 1 simultaneously with fixed position, can adapt to the use of different scenes, and the flexibility is strong.
Further, referring to fig. 5, power modules 72 are respectively disposed in the two LED light boxes 1, and the power modules 72 in the LED light boxes 1 are connected to the LED light bars 2 of the LED light boxes 1.
Further, a power module 72 is arranged in one of the LED lamp boxes 1, and the power module 72 is connected to the LED lamp strips 2 of the two LED lamp boxes 1 respectively.
The power module 72 may be a rechargeable battery or an external power supply to supply power to the LED flat lamp.
Further, the upper surface of the LED lamp box 1 is provided with a fixed seat, and the movable handle 3 is hinged on the fixed seat.
Further, referring to fig. 4, the hinge block 4 is provided with a hinge shaft 41, and the hinge block 4 is hingedly connected to the hinge joint 51 at one end of the connecting arm 5 through the hinge shaft 41.
Further, the hinged block 4 is arranged at the center of the lower surface of the LED lamp box 1, and the length of the connecting arm 5 is greater than or equal to the width of the lower surface of the LED lamp box 1.
Further, the lower surface of the LED lamp box 1 is provided with a foot pad 6, and the height of the foot pad 6 is larger than the thickness of the hinge block 4 and the thickness of the connecting arm 5.
Further, a processing module 73 is further arranged in the LED lamp box 1, and the processing module 73 is connected with the LED lamp strip 2 and is used for controlling the LED lamp strip 2 according to the received instruction;
the LED lamp box 1 is further provided with a control panel 71, and the control panel 71 is connected with the processing module 73 and used for inputting control instructions.
Furthermore, the corresponding position of the hinged block 4 on the lower surface of the LED lamp box 1 is provided with a wire outlet hole, and the connecting arm 5 is provided with a through hole 52 for a line to pass through along the axial centerline.
In a preferred embodiment, the two LED light boxes 1 share one set of power module 72, processing module 73 and control panel 71, the lower surfaces of the two LED light boxes 1 and the hinge block 4 are provided with corresponding wire outlets, and the connecting arm 5 is provided with a through hole 52 along the axial line; processing module 73, power module 72 and control panel 71 all set up at same LED lamp house 1, power module 72 and processing module 73 set up in the inside of LED lamp house 1, it walks the line through the lower surface from an LED lamp house 1, pass articulated block 4, get into from the one end of linking arm 5, wear out the back from the other end of linking arm 5, through articulated block 4 and the wire hole of lower surface of another LED lamp house 1, get into inside another LED lamp house 1, be connected with the LED lamp strip 2 of this lamp house. The connecting arm 5 is provided with the through hole 52 for wiring design, so that the limitation of wiring when the LED flat lamp is opened or closed is avoided.
When dull and stereotyped lamp body closure state of LED, the A face of two LED lamp casees 1 is relative in the inboard, and LED lamp strip 2 also receives the effect of protection in the position in the inboard this moment, simultaneously with two LED lamp casees 1 through folding mode for the activity handle 3 of two LED lamp case 1 upper surfaces mutually supports, and the user can portable LED dull and stereotyped lamp through mentioning the activity handle 3 on two LED lamp casees 1 simultaneously.
When the LED lamp box is used, the two LED lamp boxes 1 are respectively rotated by 180 degrees along the hinge shaft 41 of which the lower surface is connected with the connecting arm 5, the surfaces B of the two LED lamp boxes 1 are opposite to each other at the inner side, the surfaces A of the two LED lamp boxes 1 are turned over to the outer side, and the LED lamp strip 2 is also positioned at the outer side and can emit light to provide a light source after being electrified; two LED lamp house 1 after the upset simultaneously still keep folding state for the activity handle 3 of two LED lamp house 1 upper surfaces mutually supports, and the user hangs two activity handles 3 simultaneously on the couple, can realize hanging of the dull and stereotyped lamp of LED and use the use under the different scenes.
Further, referring to fig. 6, a voice collecting module 74 is further disposed on the LED light box 1; the voice collecting module 74 is used for collecting the voice signal of the user and sending the voice signal to the processing module 73;
the processing module 73 further includes a voice command recognition module 730, configured to perform voice recognition processing according to the received user voice signal, and recognize and output a control command corresponding to the user voice signal.
Further, the voice command recognition module 730 includes:
a receiving unit 731 for receiving the user voice signal acquired by the voice acquisition module 74;
a preprocessing unit 732, configured to perform denoising and enhancement processing on the user speech signal, and output a preprocessed user speech signal;
a voice recognition unit 733 configured to perform voice frame detection on the processed user voice signal and output a voiced part of the user voice signal;
a feature extraction unit 734, configured to perform feature extraction processing on the voiced part to obtain a feature parameter of the voiced part;
the instruction identifying unit 735 is configured to compare the feature parameters of the voiced part with the voice feature parameters pre-stored in the database 736, and identify a control instruction corresponding to the feature parameters.
A database 736 in which control commands and corresponding speech characteristic parameters are pre-stored.
Through setting up pronunciation collection module and voice command identification module 730 for the dull and stereotyped lamp of LED can realize the remote operation of the dull and stereotyped lamp of LED through speech control, hangs the back at the dull and stereotyped lamp of LED very much, controls through pronunciation, improves the convenience of using.
Further, the preprocessing unit 732 performs denoising and enhancement processing on the user speech signal, and outputs a preprocessed user speech signal, which further includes:
denoising the user voice signal, comprising:
1) performing frame-dividing windowing processing on a user voice signal, performing wavelet transformation on the user voice signal by adopting a set wavelet basis and a set decomposition layer number, and acquiring high-frequency coefficients and low-frequency coefficients of each layer of wavelet transformation;
2) carrying out threshold processing on the high-frequency coefficients of each layer to obtain high-frequency coefficients subjected to threshold processing;
3) performing wavelet inverse transformation according to the low-frequency coefficient and the high-frequency coefficient subjected to threshold processing of each layer, and taking the reconstructed user voice signal as a preprocessed user voice signal;
the high-frequency coefficients of each layer are subjected to threshold processing, and the specific self-defined threshold processing function is as follows:
in the formula (I), the compound is shown in the specification,representing the b-th high-frequency wavelet coefficient of the a-th layer after threshold function processing, Ra,Representing the b-th high frequency wavelet coefficient of the a-th layer before the threshold function processing,v denotes a process adjustment factor, T denotes a set threshold function,n denotes a sensitivity adjustment factor, σ denotes a noise variance estimate,med(Ra,b) The median value of the high-frequency wavelet coefficient is shown, N represents the length of the voice signal, and a represents the decomposition scale of the current high-frequency wavelet coefficient.
By adopting the mode, the received voice signal is subjected to denoising processing firstly, the voice signal is subjected to wavelet decomposition firstly, and the decomposed wavelet coefficient is subjected to threshold processing by adopting the improved threshold function, so that the method can adapt to the influence of uncertain noise and mixed noise in the process of collecting the voice signal of the user in the actual use scene of the LED flat lamp, effectively remove noise interference in the voice signal, improve the quality of the voice signal of the user and indirectly improve the voice control effect. In the specific improved threshold function, the threshold processing of the negative wavelet coefficient is enhanced, so that the sensitivity of the negative wavelet coefficient processing is improved, and the noise processing effect is effectively improved.
It should be emphasized that, throughout the present invention, the terms "a side" and "B side" are used only to distinguish the side where the LED light bar is disposed from the other side in the LED light box, and in practical implementation, "a side" and "B side" can be reversed, that is, "B side" is used to indicate the side where the LED light bar is disposed, and "a side" is another measurement; and are not particularly limited.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be analyzed by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A portable LED flat lamp capable of being hung for use is characterized by comprising an LED flat lamp body, wherein the LED flat lamp body comprises two LED lamp boxes, and a group of opposite side surfaces of the LED lamp boxes are an A surface and a B surface respectively;
an LED lamp strip is arranged on the surface A of the LED lamp box;
the upper surface of the LED lamp box is provided with a movable handle;
the lower surface of the LED lamp box is provided with a hinge block;
the surfaces A of the two LED lamp boxes are oppositely arranged, or the surfaces B of the two LED lamp boxes are oppositely arranged;
the hinged blocks of the two LED lamp boxes are respectively hinged at two ends of the connecting arm.
2. The portable LED flat lamp capable of being hung for use according to claim 1, wherein a power supply module is respectively arranged in the two LED lamp boxes, and the power supply module in the LED lamp box is connected with the LED lamp bars of the LED lamp boxes; or the like, or, alternatively,
and a power supply module is arranged in one of the LED lamp boxes and is respectively connected with the LED lamp strips of the two LED lamp boxes.
3. The LED flat lamp capable of being hung for use in a portable mode according to claim 1, wherein a fixed seat is arranged on the upper surface of the LED lamp box, and the movable handle is hinged to the fixed seat.
4. The LED flat lamp for portable suspensible use as claimed in claim 1, wherein the hinge block is provided with a hinge shaft, and the hinge block is hinged with a hinge head at one end of the connecting arm through the hinge shaft.
5. The LED flat lamp capable of being hung for use in a portable mode according to claim 1, wherein the hinge block is arranged in the center of the lower surface of the LED lamp box, and the length of the connecting arm is larger than or equal to the width of the lower surface of the LED lamp box.
6. The LED flat lamp capable of being hung for use according to claim 1, wherein a foot pad is arranged on the lower surface of the LED lamp box, and the height of the foot pad is larger than the thickness of the hinge block and the thickness of the connecting arm.
7. The LED flat lamp capable of being hung for use according to claim 1, wherein a processing module is further arranged in the LED lamp box, and the processing module is connected with the LED lamp bar and used for controlling the LED lamp bar according to a received instruction;
the LED lamp box is also provided with a control panel, and the control panel is connected with the processing module and used for inputting control instructions.
8. The portable LED flat lamp capable of being hung for use according to claim 7, wherein a voice acquisition module is further arranged on the LED lamp box; the voice acquisition module is used for acquiring a user voice signal and sending the user voice signal to the processing module;
the processing module also comprises a voice instruction recognition module which is used for carrying out voice recognition processing according to the received user voice signal, recognizing and outputting a control instruction corresponding to the user voice signal.
9. The portable suspensible LED flat panel light of claim 8, wherein the voice command recognition module comprises:
the receiving unit is used for receiving the user voice signal acquired by the voice acquisition module;
the preprocessing unit is used for denoising and enhancing the user voice signal and outputting a preprocessed user voice signal;
a voice recognition unit, which is used for carrying out voice frame detection on the processed user voice signal and outputting the voiced part of the user voice signal;
the characteristic extraction unit is used for carrying out characteristic extraction processing on the voiced part and acquiring the characteristic parameters of the voiced part;
and the instruction identification unit is used for comparing the characteristic parameters of the voiced part with the voice characteristic parameters prestored in the database and identifying the control instructions corresponding to the characteristic parameters.
And the database is prestored with the control command and the corresponding voice characteristic parameters.
10. The LED flat panel light of claim 9, wherein the pre-processing unit performs denoising and enhancement processing on the user voice signal, and outputs a pre-processed user voice signal, further comprising:
denoising the user voice signal, comprising:
1) performing frame-dividing windowing processing on the user voice signal, performing wavelet transformation on the user voice signal by adopting a set wavelet basis and a set decomposition layer number, and acquiring high-frequency coefficients and low-frequency coefficients of each layer of wavelet transformation;
2) carrying out threshold processing on the high-frequency coefficients of each layer to obtain high-frequency coefficients subjected to threshold processing;
3) performing wavelet inverse transformation according to the low-frequency coefficient and the high-frequency coefficient subjected to threshold processing of each layer, and taking the reconstructed user voice signal as a preprocessed user voice signal;
the high-frequency coefficients of each layer are subjected to threshold processing, and the specific self-defined threshold processing function is as follows:
in the formula (I), the compound is shown in the specification,representing the b-th high-frequency wavelet coefficient of the a-th layer after threshold function processing, Ra,bRepresenting the b-th high frequency wavelet coefficient of the a-th layer before the threshold function processing,v denotes a process adjustment factor, T denotes a set threshold function,n denotes a sensitivity adjustment factor, σ denotes a noise variance estimate,med(Ra,b) The median value of the high-frequency wavelet coefficient is shown, N represents the length of the voice signal, and a represents the decomposition scale of the current high-frequency wavelet coefficient.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033748.0A CN110594614B (en) | 2019-10-28 | 2019-10-28 | Portable LED panel light capable of being suspended for use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911033748.0A CN110594614B (en) | 2019-10-28 | 2019-10-28 | Portable LED panel light capable of being suspended for use |
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| CN110594614B CN110594614B (en) | 2021-01-22 |
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