CN207471286U - Lighting equipment and lighting control system - Google Patents

Abstract

The utility model belongs to the field of lighting, concretely relates to lighting apparatus and lighting control system. The utility model provides a lighting device, including lamp stand, supporting component, lamp holder, induction system and controlling means, controlling means is according to the luminous intensity of the data conditioning light source that induction system detected so that the illuminance on the working face is invariable. The utility model also provides an illumination control system for the working face that is shone by the light source keeps permanent illuminance. The utility model provides a lighting device, through first angle sensor and ambient light sensor, under microcontroller's effect, when the light source removed or the angle that shines changes, accurately obtained illumination value. And the micro-control processor can output control signals to the light source driving power supply according to the received parameters so as to control the on and off of the light source driving power supply or the output magnitude of current, automatically adjust the brightness of the light source and finally realize constant illumination.

Description

Lighting equipment and lighting control system

technical field

The utility model belongs to the technical field of lighting, and more specifically relates to lighting equipment and a lighting control system.

Background technique

Lighting equipment is a common appliance in daily life. According to the function, it can be divided into lighting equipment with fixed brightness and lighting equipment with adjustable brightness.

The existing adjustable brightness is mainly divided into two types, one is through manual adjustment, using the knob to adjust the size of the resistor to change the charging and discharging time of the capacitor to change the brightness of the lamp; the other is automatic adjustment, as long as the optical sensor is used to form The sensing device collects light intensity information through the sensor, and uses the control unit to control the brightness of the bulb. Manual adjustment is easy to damage the lighting equipment, causing the lighting equipment to lose its adjustment function; using automatic adjustment of illuminance, this light sensing system cannot truly reflect the illuminance under the light source when the light source moves or changes angles, resulting in self-adjusting control that can only keep the illuminance Constant illuminance cannot be achieved within a certain range. How to accurately obtain the illuminance value under the light source so as to realize the self-regulation of constant illuminance becomes a difficult problem.

Utility model content

The purpose of the utility model is to provide a lighting device to solve the technical problem in the prior art that the illuminance value under the light source cannot be accurately obtained, resulting in the inability to realize the self-regulation of the constant illuminance.

In order to achieve the above purpose, the technical solution adopted by the utility model is to provide a lighting device, which includes a lamp holder, a support assembly, a lamp holder, an induction device and a control device,

The lamp holder is rotatably connected to the support assembly, and the support assembly is connected to the lamp holder and used to adjust the position of the lamp holder relative to the lamp holder;

The lamp head includes a light source, and the light source is used to emit light to illuminate the irradiated working surface;

The sensing device includes an ambient light sensor for detecting the intensity of ambient light under the light source and a first angle sensor for detecting the rotation angle of the lamp head,

The control device is arranged on the lamp socket, and includes a light source driving power supply and a micro-control processor connected to each other, the sensing device is connected to the micro-control processor, and the micro-control processor detects adjust the luminous intensity of the light source to keep the illuminance on the working surface constant.

Further, the ambient light sensor is arranged on the lamp head, and the first angle sensor is arranged at the rotatable connection between the support assembly and the lamp holder.

Further, the supporting assembly includes a plurality of brackets, the brackets connected to the lamp holder are rotatably connected to the lamp holder, and correspondingly, the brackets connected to the lamp cap are fixedly connected to the lamp cap.

Further, the plurality of supports are respectively: a first support, one end of which is rotatably connected to the lamp holder; a second support, one end of which is rotatably connected to the first The other end of a bracket; a third bracket, one end of the third bracket is fixedly connected to the other end of the second bracket, and the other end of the third bracket is fixedly connected to the lamp head.

Further, a second angle sensor is also included, and the second angle sensor is arranged at the rotatable connection between the first bracket and the second bracket.

Further, the lamp holder further includes a lampshade and a panel, and the lampshade is covered on the panel to form an accommodating space for accommodating the light source, and the top of the lampshade adopts a light-permeable structure.

Further, the ambient light sensor is located on one of the light emitting surfaces of the panel.

Further, it also includes a control panel arranged on the lamp holder, and the control panel includes a function control switch.

The utility model also provides a lighting control system, including a sensing device, a control device and a light source, the sensing device is connected with the control device, and the sensing device includes an ambient light sensor for detecting the intensity of ambient light under the light source and a first angle sensor and a second angle sensor respectively used to detect the rotation angle of the light source, the control device includes a light source drive power supply and a micro-control processor connected to each other, the light source drive power supply is used to drive the light source, The micro-control processor adjusts the luminous intensity of the light source according to the data detected by the sensing device so that the illuminance of the working surface irradiated by the light source is constant.

Further, it also includes a control panel and a power adapter, the control panel is connected to the microcontroller processor, and the power adapter is connected to the light source driving power supply.

The beneficial effects of the lighting equipment provided by the utility model are: compared with the prior art, the lighting equipment of the utility model uses the first angle sensor and the ambient light sensor, and under the action of the micro-control processor, when the light source moves or illuminates When the angle changes, get the illuminance value accurately. And the micro-control processor can output control signals to the light source drive power supply according to the received parameters to control the light source drive power on, off or the output current, automatically adjust the brightness of the light source, and finally achieve a constant illuminance.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is a schematic diagram of the front view structure of the lighting equipment provided by the embodiment of the utility model;

Fig. 2 is a top view structural schematic diagram of the lighting equipment provided by the embodiment of the utility model;

Fig. 3 is a left view structural schematic diagram of the lighting equipment provided by the embodiment of the utility model;

Fig. 4 is a schematic structural diagram of the lighting control system provided by the embodiment of the present invention.

Wherein, each reference sign in the figure:

1-lamp holder; 2-support assembly; 3-lamp holder; 4-induction device; 5-control device; 20-bracket; 21-first bracket; 22-second bracket; 23-third bracket; 31-light source; 32-lampshade; 33-panel; 41-ambient light sensor; 42-first angle sensor; 43-second angle sensor; 51-control panel; 511-screw.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

Fig. 1 to Fig. 4 show the schematic structural diagrams of the lighting equipment provided by the embodiment of the present invention.

Please refer to Fig. 1 and Fig. 2, a kind of lighting equipment includes a lamp holder 1, a support assembly 2, a lamp holder 3, an induction device 4 and a control device 5, the lamp holder 1 and the support assembly 2 are rotatably connected, the support assembly 2 and the lamp holder 3 It is connected and used to adjust the position of the lamp head 3 relative to the lamp holder 1. The lamp head 3 includes a light source 31, which is used to emit light to illuminate the irradiated working surface. Preferably, one end of the support assembly 2 can be connected to the lamp holder through a hinge 1 are connected together, and the support assembly 2 is fixedly connected with the lamp head 3, which ensures that the lamp head 3 will not shake left and right when the support assembly 2 is rotated, and only needs to move the irradiation position of the light source 31 by rotating the support assembly 2. Setting one end of the support assembly 2 to be rotatable can help the user move the lamp head 3 to a comfortable position, which is convenient for the user to use.

The sensing device 4 includes an ambient light sensor 41 for detecting the intensity of ambient light under the light source 31 and a first angle sensor 42 for detecting the rotation angle of the lamp head 3 . The control device 5 is arranged on the lamp holder 1, and includes a light source drive power supply and a micro-control processor connected to each other. The sensing device 4 is connected to the micro-control processor, and the micro-control processor adjusts the luminous intensity of the light source 31 according to the data detected by the sensing device 4. In order to keep the illuminance on the working surface constant.

The position of the light source 31 has changed, and the working surface irradiated under it has also changed. Under the action of the sensing device 4 and the control device 5, the illuminance value can be accurately obtained, and the illuminance of the working surface irradiated by the light source 31 can be guaranteed. keep constant. By setting the first angle sensor 42, the angle change of the support assembly 2 relative to the horizontal plane can be accurately obtained, and transmitted to the micro-control processor. The changing angle, and further obtain the compensation value, that is, the first angle sensor 42 can help the microcontroller processor to obtain the illuminance parameter accurately. The principle is as follows:

When the light source 31 is at an initial position, the initial illuminance parameters are collected by the sensing device 4 and transmitted to the micro-control processor, and the micro-control processor uses the obtained illuminance parameters as the illuminance reference value. When the bracket 20 is rotated, the position of the light source 31 also changes. At this time, the first angle sensor 42 obtains the angle change value of the support assembly 2 relative to the horizontal plane, and the ambient light sensor 41 obtains the space background light below the lamp head 3 at this time. And pass these parameters to the micro-control processor, the micro-control processor will compare the received illuminance parameters with the illuminance reference value to obtain the compensation value, and output the corresponding control signal to the light source driving power supply of the lighting equipment according to the compensation value to control the light source The brightness of the light source 31 is automatically adjusted when the driving power is turned on or off or the magnitude of the current output, so that the irradiated working surface always maintains a constant illuminance. Preferably, the microcontroller processor can control the brightness of the light source 31 in a PWM manner. Specifically, the first angle sensor 42 can obtain the angle change of the support assembly 2 relative to the horizontal plane, and then according to the mathematical formula, the position change X of the forward and backward movement of the light source and the angle < The compensation value A is obtained from the obtained curve, and the ambient light sensor 41 is used to obtain the ambient light intensity B of the space. The micro-control processor calculates and finally gives the adjustment parameters according to the compensation value A and the space background illumination B, and adjusts the driving pulse width according to the parameters, and finally realizes the self-adjusting constant illumination.

Compared with the prior art, the lighting equipment provided by the utility model, through the first angle sensor 42 and the ambient light sensor 41, under the action of the micro-controller processor, can accurately detect when the light source 31 moves or the angle of irradiation changes. get the illuminance value. And the micro-control processor can output control signals to the light source drive power supply according to the received illuminance parameters, so as to control the light source drive power on, off or the output current, control the brightness of the light source 31, and finally achieve a constant illuminance.

Further, please refer to Fig. 1, as a specific implementation of the lighting equipment provided by the embodiment of the present invention, the ambient light sensor 41 is arranged on the lamp holder 3, and the ambient light sensor 41 is mainly used to obtain the space background light under the light source 31 , the first angle sensor 42 is arranged at the rotatable connection between the support assembly 2 and the lamp holder 1, and the first angle sensor 42 is used to obtain the angle change of the support assembly 2 relative to the horizontal plane. The first angle sensor 42 is arranged at the rotatable connection between the support assembly 2 and the lamp holder 1, so as to accurately obtain the angle change of the support assembly 2 relative to the horizontal plane.

Further, please refer to FIG. 1 , as a specific implementation of the lighting device provided by the embodiment of the present invention, the support assembly 2 includes a plurality of brackets 20 , and the brackets 20 connected to the lamp holder 1 are rotatably connected to the lamp holder 1 Correspondingly, the bracket 20 connected to the lamp cap 3 is fixedly connected to the lamp cap 3, and the needs of different people can be met by setting a plurality of brackets 20 . Specifically, the above-mentioned multiple brackets 20 include: a first bracket 21, one end of the first bracket 21 is rotatably connected to the lamp holder 1; a second bracket 22, one end of the second bracket 22 is rotatably connected to the first bracket 21 the other end; the third bracket 23, one end of the third bracket 23 is fixedly connected to the other end of the second bracket 22. One end of the first bracket 21 is rotatably connected to the lamp holder 1 to adjust the angle of the first bracket 21 relative to the horizontal plane, and the other end of the first bracket 21 is rotatably connected to the second bracket 22 to adjust the angle of the second bracket 22 relative to the horizontal plane. angle, the lamp head 3 is fixed to the other end of the second bracket 22 through the third bracket 23 . Through the mutual cooperation of the plurality of brackets 20, the rotation space of the lamp head 3 can be enlarged, that is, the variation range of the illumination of the light source 31 can be enlarged.

Further, referring to FIG. 1 , as a specific implementation of the lighting device provided by the embodiment of the present invention, since the number of brackets 20 increases, and some brackets 20 can also be rotated relative to each other, in order to ensure accurate measurement When the angle of each rotatable support 20 changes with respect to the horizontal plane, a corresponding angle sensor needs to be provided at the rotatable connection. The above-mentioned lighting device also includes a second angle sensor 43, the second angle sensor 43 is arranged at the rotatable connection between the first bracket 21 and the second bracket 22, and the setting of the second angle sensor 43 can be used to obtain the angle of the second bracket 22 The change in angle relative to the horizontal plane.

For example: when the first bracket 21 is rotated, the first angle sensor 42 located at the rotatable connection between the first bracket 21 and the lamp holder 1 obtains the angle change of the first bracket 21 relative to the horizontal plane, and transmits the angle change For the micro-control processor, if the second bracket 22 is rotated, the corresponding second angle sensor 43 will transmit the obtained angle change of the second bracket 22 relative to the horizontal plane to the micro-control processor. That is to say, when a certain support 20 is rotated, the corresponding angle sensor starts to work and transmits the angle change of the support 20 relative to the horizontal plane to the micro-control processor. Meanwhile, the ambient light sensor 41 arranged on the lamp cap 3 also starts to work to obtain The space background light is passed to the microcontroller processor. The microcontroller processor transmits the received illuminance parameters to the light source driving power supply to output control signals. By arranging multiple angle sensors, it is further ensured that the micro-control processor can obtain accurate illuminance parameters and output signals under the premise that multiple brackets 20 are provided and some of the brackets 20 can rotate relative to each other.

Further, referring to Fig. 1, Fig. 2 and Fig. 4, as a specific implementation of the lighting equipment provided by the embodiment of the present invention, the lamp holder 3 also includes a lampshade 32 and a panel 33, and the lampshade 32 is covered on the panel 33 to form a housing An accommodating space for the light source 31 . Specifically, the panel 33 is engaged with the opening end of the lampshade 32, and the opening end of the lampshade 32 is provided with a protrusion. Correspondingly, the upper surface of the panel 33 is provided with a groove matching the protrusion. Connected to the lampshade, the open end of the lampshade 32 points to the panel 33 , and the interior of the lampshade 32 is hollow to form an accommodating space for accommodating the light source 31 .

Further, please refer to Fig. 1, as a specific implementation of the lighting equipment provided by the embodiment of the present invention, in order to avoid the stimulation of strong light on the eyes, the lampshade 32 adopts a light-transmitting structure to reconcile the ambient background light and avoid local The strong light stimulates the eyes, reduces eye fatigue, and better protects the eyesight of the eyes. In addition, the light source 31 may be an LED lamp or a fluorescent lamp. Preferably, the fluorescent lamp may be an RGB three-primary fluorescent lamp or a five-primary fluorescent lamp with a color temperature of 3800-6500k. Using fluorescent lamps or LED lamps with the above color temperature can reduce the influence of the light source 31 from flickering, which is beneficial to protect one's eyes.

Further, referring to FIG. 2 , as a specific implementation of the lighting device provided by the embodiment of the present invention, the ambient light sensor 41 is arranged at a place on the light-emitting surface of the panel 33, specifically, at a corner of the light-emitting surface, a The opening of the ambient light sensor 41 with the same size fixes the ambient light sensor 41 on the light-emitting surface of the lamp body, and the ambient light sensor 41 is aimed at the irradiated surface of the lamp cap 3 or the reflected light under the lamp cap 3, ensuring accurate illumination control Among them, the ambient light sensor 41 also transmits the collected spatial background light to the microcontroller processor.

Further, please refer to Fig. 1 and Fig. 3, as a specific implementation of the lighting equipment provided by the embodiment of the present invention, the above lighting equipment also includes a control panel 51 arranged on the lamp holder, and the control panel 51 includes a function control switch . The power control panel 51 covers the top surface of the lamp holder 1 so that the light source 31 maintains a constant illuminance. Specifically, the control panel 51 is fixed on the lamp holder 1 by screws 511 . For example, there is an input function on the control panel 51, and an illuminance reference value can be input on the control panel 51, and passed to the micro-control processor and stored. The micro-control processor compares the received illuminance parameters with the illuminance reference value and outputs a control signal to the light source drive power supply to control the opening, closing or current output of the light source drive power supply, and automatically adjust the brightness of the light source 31, thereby Make the irradiated work surface always maintain a constant illuminance.

The control panel 51 also includes the function of increasing and decreasing the illuminance, which can increase or decrease the initially set illuminance to achieve a comfortable illuminance for the user.

Please refer to Fig. 4, the utility model embodiment also provides a kind of lighting control system, and this lighting control system comprises induction device 4, control device 5 and light source 31, and induction device 4 is connected with control device 5, and induction device 4 comprises detection light source The ambient light sensor 41 of the ambient light intensity below and the angle sensor for detecting the rotation angle of the light source, the control device 5 includes a light source drive power supply and a micro-control processor connected to each other, the light source drive power supply is used to drive the light source, and the micro-control processor according to The data detected by the sensing device adjusts the luminous intensity of the light source so that the illuminance of the working surface irradiated by the light source is constant.

Further, please refer to FIG. 4 , the above lighting control system further includes a control panel 51 and a power adapter, the control panel 51 is connected to the microcontroller processor, and the power adapter is connected to the light source driving power.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A lighting device, characterized in that: the lighting device includes a lamp holder, a support assembly, a lamp holder, an induction device and a control device, The lamp holder is rotatably connected to the support assembly, and the support assembly is connected to the lamp holder and used to adjust the position of the lamp holder relative to the lamp holder; The lamp head includes a light source, and the light source is used to emit light to illuminate the irradiated working surface; The sensing device includes an ambient light sensor for detecting the intensity of ambient light under the light source and a first angle sensor for detecting the rotation angle of the lamp head, The control device is arranged on the lamp socket, and includes a light source driving power supply and a micro-control processor connected to each other, the sensing device is connected to the micro-control processor, and the micro-control processor detects adjust the luminous intensity of the light source to keep the illuminance on the working surface constant. 2. The lighting device according to claim 1, wherein the ambient light sensor is arranged on the lamp head, and the first angle sensor is arranged at the rotatable connection between the support assembly and the lamp holder . 3. The lighting device according to claim 2, characterized in that: the support assembly includes a plurality of brackets, the brackets connected to the lamp holder are rotatably connected to the lamp holder, and correspondingly connected to the lamp holder The connected bracket is fixedly connected to the lamp head. 4. The lighting device according to claim 3, characterized in that: the plurality of brackets are respectively: a first bracket, one end of the first bracket is rotatably connected to the lamp holder; a second bracket, one end of the second bracket is rotatably connected to the other end of the first bracket; A third bracket, one end of the third bracket is fixedly connected to the other end of the second bracket, and the other end of the third bracket is fixedly connected to the lamp head. 5. The lighting device according to claim 4, further comprising a second angle sensor, the second angle sensor is arranged at the rotatable connection between the first bracket and the second bracket. 6. The lighting device according to any one of claims 1 to 5, wherein the lamp holder further comprises a lampshade and a panel, and the lampshade is closed on the panel to form an accommodating space for accommodating the light source, so The top of the lampshade adopts a light-permeable structure. 7. The lighting device according to claim 6, wherein the ambient light sensor is located at one of the light emitting surfaces of the panel. 8. The lighting device according to any one of claims 1 to 5, further comprising a control panel disposed on the lamp holder, the control panel including a function control switch. 9. A lighting control system, characterized in that it includes a sensing device, a control device and a light source, the sensing device is connected to the control device, and the sensing device includes an ambient light sensor for detecting the intensity of ambient light below the light source and a user An angle sensor for detecting the rotation angle of the light source, the control device includes a light source driving power and a micro-control processor connected to each other, the light source driving power is used to drive the light source, and the micro-control processor according to the sensing The data detected by the device adjusts the luminous intensity of the light source so that the illuminance of the working surface irradiated by the light source is constant. 10. The lighting control system according to claim 9, further comprising a control panel and a power adapter, the control panel is connected to the microcontroller processor, and the power adapter is connected to the light source driving power supply.