CN115243417A - LED street lamp with adjustable illumination angle and energy-saving illumination system thereof - Google Patents
LED street lamp with adjustable illumination angle and energy-saving illumination system thereof Download PDFInfo
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Abstract
The invention discloses an LED street lamp with an adjustable illumination angle and an energy-saving illumination system thereof, belonging to the technical field of energy-saving illumination, wherein a training constraint condition of an LED illumination measurement inverse model based on a neural network is constructed by taking the monotone increment of the functional relation between the illumination measurement output voltage and the illumination intensity of the LED street lamp as prior information, a multiplier method is utilized to construct a target function used as training, a detailed training algorithm is given, the optimization design of the neural network is completed, a PWM (pulse width modulation) function of a microprocessor is utilized to obtain the illumination intensity adjustment quantity of the LED street lamp, a street lamp driving chip is controlled, the adjustment of the self-adaptive brightness of the LED street lamp is completed, therefore, the illumination intensity of the LED street lamp can be automatically adjusted according to the external natural light condition, and then when the LED driving current of the LED street lamp is maximum and the LED street lamp works at full power, a controller controls an angle adjusting mechanism to work, the elevation angle is increased, the illumination range of the LED street lamp is expanded, and the generalization capability of the self-adaptive control of the illumination intensity of the LED street lamp is improved.
Description
Technical Field
The invention belongs to the technical field of energy-saving illumination, and particularly relates to an LED street lamp with an adjustable illumination angle and an energy-saving illumination system thereof.
Background
The street lamp is the illumination lamps and lanterns that go up most commonly used, current street lamp adopts traditional light source mostly, the energy consumption is big, it is short-lived, along with the development of LED lighting technology, more and more street lamps have adopted the LED lamp to throw light on as the light source, at present, the design of the most formula as an organic whole of the use of LED street lamp, can't effectively adjust its illumination angle, influence the result of use, furthermore, the control mode of LED street lamp is mostly manual control or timing control, can't be according to the illumination intensity of weather condition or the external natural light condition automatically regulated LED street lamp, can't effectively further reduce the energy consumption of LED street lamp, thereby cause the electric energy waste, energy-saving effect is not ideal.
In view of the above, an LED street lamp with adjustable illumination angle and an energy-saving illumination system thereof are provided to solve the above problems.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides an LED street lamp with an adjustable illumination angle and an energy-saving illumination system thereof, which solve the problems that most LED street lamps are designed in an integrated mode, the illumination angle cannot be effectively adjusted, the use effect is influenced, furthermore, the LED street lamps are controlled in a manual control mode or a timing control mode, the illumination intensity of the LED street lamps cannot be automatically adjusted according to the weather condition or the external natural light condition, the energy consumption of the LED street lamps cannot be effectively reduced, and the electric energy waste is caused.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a LED street lamp with adjustable illumination angle, includes lamp shade and energy-conserving lighting system, be equipped with the LED lamp body in the lamp shade, connecting plate and two stand fixed connection are passed through to one side of lamp shade, and two stand settings are in two baffles, one side and mounting panel fixed connection of two baffles, the mounting panel is close to one side fixedly connected with box body of connecting plate, cup joint through the surface of two axle sleeves with the connecting axle in the box body, the outside joint of connecting axle has angle adjusting mechanism, angle adjusting mechanism sets up in the mounting panel, the protection casing is installed to the opposite side of mounting panel corresponding adjustment mechanism's position, one side that angle adjusting mechanism is close to the protection casing is equipped with the heating panel, the heating panel joint is on the mounting panel.
As a further scheme of the invention: the angle adjusting mechanism comprises a motor, the motor is arranged in the mounting plate, an output shaft of the motor is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, and the driven gear is clamped on the surface of the connecting shaft.
An energy-saving lighting system of an LED street lamp with an adjustable lighting angle is composed of a collecting module, an illumination intensity self-adaptive adjusting model, an illumination intensity self-adaptive control module, a controller and a microprocessor.
As a further scheme of the invention: the output end of the acquisition module is connected with the input end of the illumination intensity self-adaptive adjustment model, the output end of the illumination intensity self-adaptive adjustment model is connected with the input end of the illumination intensity self-adaptive control module, the output end of the illumination intensity self-adaptive control module is connected with the input end of the controller, the input end of the controller is connected with the output end of the microprocessor, and the microprocessor is connected with the illumination intensity self-adaptive control module and the illumination intensity self-adaptive adjustment model in a bidirectional mode.
As a further scheme of the invention: the acquisition module comprises a photosensitive sensor and an A/D conversion module.
A photosensitive sensor: used for collecting natural illumination information.
An A/D conversion module: the system is used for carrying out A/D conversion on the illumination data collected by the photosensitive sensor to obtain the data information of the natural illumination intensity.
As a further scheme of the invention: the illumination intensity self-adaptive adjustment model is used for compensating illumination of the LED street lamp by using natural light, so that the sum of the illumination of the LED and the natural illumination is maintained at a constant level, the maximum energy conservation of the LED street lamp is realized, and the illumination of the LED is self-adaptively adjusted along with the intensity of the natural light.
As a further scheme of the invention: the illumination intensity self-adaptive control module comprises an inverse model and a self-adaptive control model.
The illumination intensity adaptive adjustment model is established in the following manner:
setting the sum of LED illumination and natural illumination, i.e. the compensated output as C 0 The current natural light illumination intensity is y (t), the illumination intensity that the LED street lamp needs to provide, target illumination intensity is x (t), then:
x(t)＝C 0 -y(t) (1)
in the formula, t is a time variable.
An inverse model: and the control circuit is used for obtaining the target illumination intensity x (t) at the time t from the illumination intensity self-adaptive adjustment model, and then obtaining the corresponding control voltage u through the illumination measurement inverse model, namely obtaining the illumination intensity of the LED street lamp.
The inverse model is established as follows:
a. firstly, x is the input of an illumination measurement inverse model, f 1 For implicit layer transfer function, logsig function representation is adopted, i.e. ω =(ω 1 ,ω 2 ,...,ω M ) T As weights of the input layer and the hidden layer, b (1) ＝(b 1 (1) ,b 2 (1) ,...,b M (1) ) T For the offset value of the hidden layer, v = (v) 1 ,v 2 ,...,v M ) T Is weight of hidden layer and output layer, b (2) To output the layer bias values, u is the output of the illumination measurement inverse model, i.e.:
in the formula, the number M of hidden layer neurons is determined by experiment, a j The output for the jth neuron of the hidden layer, namely:
b. and (3) carrying out neural network training on the inverse model, setting the target function of the neural network training model as E, and adopting a batch training method, namely N training samples, so that:
in the formula:
since 0 < a j < 1, therefore, the constraint equation (5) is simplified to:
therefore, equation (4) is adjusted to:
and j =1,2, · M; i =1,2
The optimal solution of (7) is solved by utilizing a multiplier method to construct an augmented objective function phi (omega, b) (1) ,v,b (2) λ, σ) is:
in the formula, λ is a multiplier, and σ is a penalty parameter
c. Updating the parameters of the neural network by using the average gradient by adopting a batch training method, and considering the influence of the learning rate eta to obtain the parameters omega of the neural network j 、
v j 、b (2) The iterative formula of (c) is:
(9)
in the formula:
according to the multiplier method, the multiplier lambda in the formula (9) j The iterative formula of (a) is:
self-adaptive control model: the LED street lamp control system is used for judging whether the LED street lamp works at full power or not according to the intensity of natural light, setting a regulation strategy and achieving the purpose of self-adaptive regulation of LED illumination.
The adaptive control model is established in the following way:
and if z (x) is an adaptive control function of the illumination intensity of the LED street lamp, then:
in the formula, C max Is the maximum control quantity of the LED, L N For the intensity of natural light, L a Threshold, L, for enabling LED adaptation b To turn off the adaptively adjusted threshold of the LED, L a 、L b The value of (A) is set according to the requirements of the application environment of the LED street lamp.
Secondly, by utilizing the PWM function of the microprocessor, the illumination intensity regulating quantity of the LED street lamp, namely the PWM control quantity, is obtained, a street lamp driving chip is controlled, the brightness regulation of the LED street lamp is completed, z (x) is converted into the duty ratio of PWM, and the method specifically comprises the following steps:
in the formula, when z is PWM (x) When the duty ratio of PWM is 0, the LED drive current is 0, the LED street lamp does not work, and when the duty ratio of PWM is 0, the LED street lamp does not work, and when the duty ratio of the PWM is z PWM (x) And when the FFFFFFH is not larger than the preset value, the duty ratio of the PWM is 1, the LED driving current is the maximum, and the LED street lamp works at full power.
As a further scheme of the invention: the controller is used for controlling the angle adjusting mechanism to achieve the purpose of adjusting the elevation angle of the LED street lamp.
The specific application mode of the controller is as follows:
when the LED driving current of the LED street lamp is the maximum and the LED street lamp works at full power, the controller controls the angle adjusting mechanism to work, the elevation angle is increased, and the illumination range of the LED street lamp is enlarged.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by using the monotone increment of the functional relation between the illumination measurement output voltage and the illumination intensity of the LED street lamp as prior information, a training constraint condition of an LED illumination measurement inverse model based on a neural network is constructed, a target function used as training is constructed by using a multiplier method, a detailed training algorithm is given, the optimization design of the neural network is completed, the PWM function of a microprocessor is utilized to obtain the illumination intensity regulating quantity of the LED street lamp, a street lamp driving chip is controlled, and the self-adaptive brightness regulation of the LED street lamp is completed, so that the LED street lamp can automatically regulate the illumination intensity of the LED street lamp according to the external natural light condition, and secondly, when the LED driving current of the LED street lamp is maximum and the LED street lamp works at full power, a controller controls an angle regulating mechanism to work, the angle of the LED street lamp is increased, the illumination range of the LED street lamp is expanded, and the adaptive control generalization capability of the illumination intensity of the LED street lamp is improved.
2. In the invention, the angle adjusting mechanism is arranged to adjust the angles of the lampshade and the LED lamp body, and the controller is used for intelligently controlling the angle adjusting mechanism, so that the use effect of the LED street lamp is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic structural view of a cartridge section according to the present invention;
FIG. 4 is a schematic block diagram of the energy efficient lighting system of the present invention;
in the figure: 1. a lamp shade; 2. an LED lamp body; 3. a connecting plate; 4. a column; 5. a connecting shaft; 6. a baffle plate; 7. mounting a plate; 8. a box body; 9. an angle adjusting mechanism; 91. a driven gear; 92. a driving gear; 93. a motor; 10. a heat dissipation plate; 11. a protective cover; 12. an energy saving lighting system.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a LED street lamp with adjustable illumination angle, including lamp shade and energy-conserving lighting system, be equipped with the LED lamp body in the lamp shade, connecting plate and two stand fixed connection are passed through to one side of lamp shade, two stand settings are in two baffles, one side and mounting panel fixed connection of two baffles, the mounting panel is close to one side fixedly connected with box body of connecting plate, cup joint through the surface of two axle sleeves with the connecting axle in the box body, the outside joint of connecting axle has angle adjusting mechanism, angle adjusting mechanism sets up in the mounting panel, the protection casing is installed to the opposite side of mounting panel corresponds adjusting mechanism's position, one side that angle adjusting mechanism is close to the protection casing is equipped with the heating panel, the heating panel joint is on the mounting panel.
The angle adjusting mechanism comprises a motor, the motor is arranged in the mounting plate, an output shaft of the motor is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, and the driven gear is clamped on the surface of the connecting shaft.
An energy-saving lighting system of an LED street lamp with an adjustable lighting angle is composed of a collecting module, an illumination intensity self-adaptive adjusting model, an illumination intensity self-adaptive control module, a controller and a microprocessor.
The output end of the acquisition module is connected with the input end of the illumination intensity self-adaptive adjustment model, the output end of the illumination intensity self-adaptive adjustment model is connected with the input end of the illumination intensity self-adaptive control module, the output end of the illumination intensity self-adaptive control module is connected with the input end of the controller, the input end of the controller is connected with the output end of the microprocessor, and the microprocessor is bidirectionally connected with the illumination intensity self-adaptive control module and the illumination intensity self-adaptive adjustment model.
The acquisition module comprises a photosensitive sensor and an A/D conversion module.
A photosensitive sensor: used for collecting natural illumination information.
An A/D conversion module: the system is used for carrying out A/D conversion on the illumination data acquired by the photosensitive sensor to obtain the data information of the natural illumination intensity.
The illumination intensity self-adaptive adjustment model is used for compensating illumination of the LED street lamp by using natural light, so that the sum of the illumination of the LED and the natural illumination is maintained at a constant level, the maximum energy conservation of the LED street lamp is realized, and the illumination of the LED is self-adaptively adjusted along with the intensity of the natural light.
The illumination intensity adaptive control module comprises an inverse model and an adaptive control model.
The establishment mode of the illumination intensity self-adaptive adjustment model is as follows:
setting the sum of LED illumination and natural illumination, i.e. the compensated output as C 0 The present natural light illumination intensity is y (t), the illumination intensity that the LED street lamp needs to provide, and target illumination intensity is x (t) promptly, then:
x(t)＝C 0 -y(t) (1)
in the formula, t is a time variable.
An inverse model: and the control voltage u is used for obtaining the target illumination intensity x (t) at the t moment in the illumination intensity self-adaptive adjustment model, and then obtaining the corresponding control voltage u through the illumination measurement inverse model, namely obtaining the illumination intensity of the LED street lamp.
The inverse model is established as follows:
a. firstly, x is the input of an illumination measurement inverse model, f 1 For the hidden layer transfer function, a logsig function representation is adopted, i.e. ω = (ω =) 1 ,ω 2 ,...,ω M ) T Is the weight of the input layer and the hidden layer, b (1) ＝(b 1 (1) ,b 2 (1) ,...,b M (1) ) T For the offset value of the hidden layer, v = (v) 1 ,v 2 ,...,v M ) T Is weight of hidden layer and output layer, b (2) To output the layer bias values, u is the output of the illumination measurement inverse model, i.e.:
in the formula, the number M of hidden layer neurons is determined by experiment, a j For the output of the jth neuron of the hidden layer, i.e.:
b. and (3) carrying out neural network training on the inverse model, setting the target function of the neural network training model as E, and adopting a batch training method, namely N training samples, so that:
in the formula:
since 0 < a j < 1, therefore, the constraint equation (5) is simplified to:
therefore, equation (4) is adjusted to:
and j =1,2, · M; i =1,2
The optimal solution of (7) is solved by utilizing a multiplier method to construct an augmented objective function phi (omega, b) (1) ,v,b (2) λ, σ) is:
in the formula, λ is a multiplier, and σ is a penalty parameter
c. Updating parameters of the neural network by using the average gradient by adopting a batch training method, and considering scienceThe influence of learning rate eta, the neural network parameter omega j 、
v j 、b (2) The iterative formula of (a) is:
in the formula:
according to the multiplier method, the multiplier lambda in the formula (9) j The iterative formula of (a) is:
self-adaptive control model: the LED street lamp control system is used for judging whether the LED street lamp works at full power or not according to the intensity of natural light, setting a regulation strategy and achieving the purpose of self-adaptive regulation of LED illumination.
The adaptive control model is established in the following way:
and if z (x) is an adaptive control function of the illumination intensity of the LED street lamp, then:
in the formula, C max Maximum control quantity, L, of the LED N For natural light intensity, L a Threshold value for activating LED adaptive adjustment, L b To turn off the adaptively adjusted threshold of the LED, L a 、L b The value of (b) is set according to the requirements of the application environment of the LED street lamp.
Secondly, by utilizing the PWM function of the microprocessor, the illumination intensity regulating quantity of the LED street lamp, namely the PWM control quantity, is obtained, a street lamp driving chip is controlled, the brightness regulation of the LED street lamp is completed, z (x) is converted into the duty ratio of PWM, and the method specifically comprises the following steps:
in the formula, when z is PWM (x) When the duty ratio of PWM is 0, the LED drive current is 0, the LED street lamp does not work, and when the duty ratio of PWM is 0, the LED street lamp does not work, and when the duty ratio of the PWM is z PWM (x) And when the duty ratio of PWM is 1, the LED driving current is the maximum, and the LED street lamp works at full power.
The controller is used for controlling the angle adjusting mechanism to achieve the purpose of adjusting the elevation angle of the LED street lamp.
The specific application mode of the controller is as follows:
when the LED driving current of the LED street lamp is the maximum and the LED street lamp works at full power, the controller controls the angle adjusting mechanism to work, the elevation angle is increased, and the illumination range of the LED street lamp is enlarged.
In conclusion, the following results are obtained:
the training constraint condition of an LED illumination measurement inverse model based on a neural network is constructed by taking the monotone increment of the functional relation between the LED street lamp illumination measurement output voltage and the illumination intensity as prior information, a target function serving as training is constructed by utilizing a multiplier method, a detailed training algorithm is given, the optimization design of the neural network is completed, the illumination intensity regulating quantity of the LED street lamp is obtained by utilizing the PWM function of a microprocessor, a street lamp driving chip is controlled, and the self-adaptive brightness regulation of the LED street lamp is completed.
Adjust the angle of lamp shade and LED lamp body through setting up angle adjustment mechanism to carry out intelligent control through the controller, improve the result of use of this LED street lamp, it is further, angle adjustment mechanism installs inside mounting panel and box body in this application, prevents to cause the damage to angle adjustment mechanism because of external environment influences, and the cooperation heating panel carries out the radiating treatment to the motor and carries out waterproofly through the protection casing, improves angle adjustment mechanism's result of use greatly.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a LED street lamp with adjustable illumination angle, includes lamp shade and energy-conserving lighting system, its characterized in that: be equipped with the LED lamp body in the lamp shade, one side of lamp shade is passed through connecting plate and two stand fixed connection, and two stand settings are in two baffles, one side and mounting panel fixed connection of two baffles, the mounting panel is close to one side fixedly connected with box body of connecting plate, cup joint through the surface of two axle sleeves and connecting axle in the box body, the outside joint of connecting axle has angle adjusting mechanism, angle adjusting mechanism sets up in the mounting panel, the protection casing is installed to the opposite side of mounting panel corresponds adjusting mechanism's position, one side that angle adjusting mechanism is close to the protection casing is equipped with the heating panel, the heating panel joint is on the mounting panel.
2. The LED street lamp with the adjustable illumination angle as set forth in claim 1, wherein: the angle adjusting mechanism comprises a motor, the motor is arranged in the mounting plate, an output shaft of the motor is fixedly connected with a driving gear, the driving gear is meshed with a driven gear, and the driven gear is clamped on the surface of the connecting shaft.
3. The energy-saving lighting system of LED street lamp with adjustable lighting angle according to any one of claims 1-2, characterized in that: the energy-saving lighting system is composed of an acquisition module, an illumination intensity adaptive adjustment model, an illumination intensity adaptive control module, a controller and a microprocessor.
4. The energy-saving lighting system of LED street lamp with adjustable lighting angle of claim 3, wherein: the output end of the acquisition module is connected with the input end of the illumination intensity self-adaptive adjustment model, the output end of the illumination intensity self-adaptive adjustment model is connected with the input end of the illumination intensity self-adaptive control module, the output end of the illumination intensity self-adaptive control module is connected with the input end of the controller, the input end of the controller is connected with the output end of the microprocessor, and the microprocessor is connected with the illumination intensity self-adaptive control module and the illumination intensity self-adaptive adjustment model in a bidirectional mode.
5. The energy-saving lighting system of LED street lamp with adjustable lighting angle of claim 4, is characterized in that: the acquisition module comprises a photosensitive sensor and an A/D conversion module;
a photosensitive sensor: the system is used for collecting natural illumination information;
an A/D conversion module: the system is used for carrying out A/D conversion on the illumination data collected by the photosensitive sensor to obtain the data information of the natural illumination intensity.
6. The energy-saving lighting system of LED street lamp with adjustable lighting angle of claim 3, wherein: the illumination intensity self-adaptive adjustment model is used for compensating illumination of the LED street lamp by using natural light, so that the sum of the illumination of the LED and the natural illumination is maintained at a constant level, the maximum energy conservation of the LED street lamp is realized, and the illumination of the LED is self-adaptively adjusted along with the intensity of the natural light.
7. The energy-saving lighting system of LED street lamp with adjustable lighting angle of claim 6, characterized in that: the illumination intensity self-adaptive control module comprises an inverse model and a self-adaptive control model;
an inverse model: the control circuit is used for adaptively adjusting the target illumination intensity obtained in the model, and then obtaining the corresponding control voltage through the illumination measurement inverse model to obtain the illumination intensity of the LED street lamp;
self-adaptive control model: the method is used for judging whether the LED street lamp works at full power or not according to the intensity of natural light, setting a regulation strategy and achieving the purpose of self-adaptive regulation of LED illumination.
8. The energy-saving lighting system of LED street lamp with adjustable lighting angle of claim 1, wherein: the controller is used for controlling the angle adjusting mechanism to achieve the purpose of adjusting the elevation angle of the LED street lamp.
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| CN202210890991.XA CN115243417A (en) | 2022-07-27 | 2022-07-27 | LED street lamp with adjustable illumination angle and energy-saving illumination system thereof |
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| CN202210890991.XA CN115243417A (en) | 2022-07-27 | 2022-07-27 | LED street lamp with adjustable illumination angle and energy-saving illumination system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115866831A (en) * | 2022-12-23 | 2023-03-28 | 广州城市理工学院 | Indoor LED voltage control method and system based on Markaus model |
| CN116704355A (en) * | 2023-08-04 | 2023-09-05 | 浙江大云物联科技有限公司 | Illuminance detection method and device for aerial photographing road illumination |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3206173U (en) * | 2016-02-29 | 2016-09-01 | 厦▲門▼市博▲羅▼格▲貿▼易有限公司 | LED street light device |
| CN105934042A (en) * | 2016-06-25 | 2016-09-07 | 湖南师范大学 | LED street lamp intelligent controller and control method |
| CN210107100U (en) * | 2019-05-28 | 2020-02-21 | 贵州医科大学附属医院 | Lighting device for hepatobiliary pancreas surgery |
| CN113212683A (en) * | 2021-06-23 | 2021-08-06 | 安徽艳阳电气集团有限公司 | Split type deck lamp |
| CN113587045A (en) * | 2021-08-27 | 2021-11-02 | 浙江远征汽摩附件有限公司 | LED automobile headlamp capable of adjusting irradiation angle during turning |
-
2022
- 2022-07-27 CN CN202210890991.XA patent/CN115243417A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3206173U (en) * | 2016-02-29 | 2016-09-01 | 厦▲門▼市博▲羅▼格▲貿▼易有限公司 | LED street light device |
| CN105934042A (en) * | 2016-06-25 | 2016-09-07 | 湖南师范大学 | LED street lamp intelligent controller and control method |
| CN210107100U (en) * | 2019-05-28 | 2020-02-21 | 贵州医科大学附属医院 | Lighting device for hepatobiliary pancreas surgery |
| CN113212683A (en) * | 2021-06-23 | 2021-08-06 | 安徽艳阳电气集团有限公司 | Split type deck lamp |
| CN113587045A (en) * | 2021-08-27 | 2021-11-02 | 浙江远征汽摩附件有限公司 | LED automobile headlamp capable of adjusting irradiation angle during turning |
Non-Patent Citations (1)
| Title |
|---|
| 北京机械工程学会设备维修分会组编: "《电修手册上》", 31 March 1997, 机械工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115866831A (en) * | 2022-12-23 | 2023-03-28 | 广州城市理工学院 | Indoor LED voltage control method and system based on Markaus model |
| CN115866831B (en) * | 2022-12-23 | 2023-09-12 | 广州城市理工学院 | Indoor LED voltage control method and system based on Markov model |
| CN116704355A (en) * | 2023-08-04 | 2023-09-05 | 浙江大云物联科技有限公司 | Illuminance detection method and device for aerial photographing road illumination |
| CN116704355B (en) * | 2023-08-04 | 2023-11-03 | 浙江大云物联科技有限公司 | Illuminance detection method and device for aerial photographing road illumination |
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