CN210323346U - Verification device for indoor light source positioning - Google Patents
Verification device for indoor light source positioning Download PDFInfo
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- CN210323346U CN210323346U CN201920878220.2U CN201920878220U CN210323346U CN 210323346 U CN210323346 U CN 210323346U CN 201920878220 U CN201920878220 U CN 201920878220U CN 210323346 U CN210323346 U CN 210323346U
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Abstract
The utility model discloses a verification device for indoor light source positioning, which comprises a box body, a control box, a light source mechanism, a light intensity acquisition mechanism and a cantilever rod; a controller, an LED drive circuit and a power supply module are arranged in the control box; the light source mechanism comprises two vertical side plates, a vertical sleeve, an adjusting tube, an adjusting nut and an LED light source; the light intensity acquisition mechanism comprises a rectangular pyramid and four light intensity sensors arranged on four conical surfaces of the rectangular pyramid; the controller is respectively and electrically connected with the LED drive circuit, the display screen, the four light intensity sensors and the test start key. The verification device is characterized in that four light intensity sensors are arranged on four conical surfaces of a rectangular pyramid, so that the illumination from four directions is collected simultaneously, the possibility of error caused by the fact that the illumination intensity of two or more points is the same is reduced, meanwhile, the condition of a vehicle or goods in an underground parking lot or a warehouse can be simulated, the result is more referential, and a theoretical basis is provided for later-stage actual indoor application.
Description
Technical Field
The utility model relates to a verification device, especially a verification device that is used for indoor light source location.
Background
Currently, the existing positioning technologies include WiFi positioning technology, infrared indoor positioning technology, ultrasonic positioning technology, ultra-wideband positioning technology, and RFID positioning technology. However, these positioning technologies have certain disadvantages when used indoors, such as that infrared positioning can only be spread in line of sight, WiFi positioning coverage area is small and is easy to be interfered, energy consumption is high, and so on. After comparing various indoor positioning technologies, most of the defects of the indoor positioning technologies are that the precision is not high and the positioning infrastructure is complex. Because the line-of-sight transmission characteristic of visible light, signals are transmitted in a relatively determined range, and the positioning accuracy is high, a verification device for indoor light source positioning needs to be designed as a basic research of visible light positioning, the feasibility of visible light positioning can be tested, and a theoretical basis is provided for later-stage actual indoor application.
Disclosure of Invention
Utility model purpose: the verification device for indoor light source positioning is provided, feasibility of visible light positioning can be tested, and theoretical basis is provided for later-stage actual indoor application.
The technical scheme is as follows: the utility model discloses a verification device for indoor light source positioning, which comprises a box body, a control box, a light source mechanism, a light intensity acquisition mechanism and a cantilever rod;
a controller, an LED drive circuit and a power supply module are arranged in the control box; a display screen and a test start key are arranged on the side surface of the control box;
the light source mechanism comprises two vertical side plates, a vertical sleeve, an adjusting tube, an adjusting nut and an LED light source; the vertical sleeve is vertically installed at the center of the top of the box body in a penetrating manner, and the adjusting pipe is vertically inserted into the vertical sleeve; the LED light source is fixedly arranged on the lower end of the adjusting tube and is positioned in the box body; the two vertical side plates are vertically arranged at the top of the box body, and the adjusting pipe is positioned between the two vertical side plates; two strip-shaped guide holes are vertically formed in the two vertical side plates; the upper end of the adjusting pipe is rotatably provided with a rotating head, and the rotating head is provided with two cross rods which respectively extend into the strip-shaped guide holes at the two sides; the outer pipe wall of the adjusting pipe is provided with external threads, the adjusting nut is screwed on the external threads, and the adjusting nut is supported at the upper pipe orifice of the vertical sleeve;
the light intensity acquisition mechanism comprises a rectangular pyramid and four light intensity sensors arranged on four conical surfaces of the rectangular pyramid; a central column is vertically arranged on the bottom surface of the rectangular pyramid; the lower end of the central column is provided with a square head; square positioning blind holes are distributed on the inner bottom surface of the box body in an array manner; the cantilever rod is used for picking the light intensity acquisition mechanism to a corresponding coordinate position, so that the square head is embedded in the square positioning blind hole at the corresponding coordinate position;
the controller is respectively electrically connected with the LED driving circuit, the display screen, the four light intensity sensors and the test start key; the electric connecting wire of the LED light source is LED out through the adjusting tube and then is electrically connected with the LED driving circuit; the power module supplies power for the controller, the LED driving circuit, the display screen, the four light intensity sensors and the test start key respectively.
Furthermore, a serial port communication circuit electrically connected with the controller is also arranged in the control box; the power supply module supplies power to the serial port communication circuit.
Furthermore, a height scale is vertically arranged on the vertical side plate, and a triangular rib plate is arranged at the mounting position of the vertical side plate and the top surface of the box body.
Furthermore, the cantilever rod comprises a handle rod, an L-shaped rod and a U-shaped fork head which is buckled on the central column; the handle rod is arranged on one end of the L-shaped rod in an extending way; the U-shaped fork head is vertically arranged at the other end of the L-shaped rod.
Furthermore, an upper disc and a lower disc are arranged on the central column and between the rectangular pyramid and the square head; the lower side surface of the lower disc is supported on the inner bottom surface of the box body.
Furthermore, a window is arranged on the vertical side surface of the box body, and a door plate is arranged at the window; a door handle is arranged on the outer side surface of the door panel; the cantilever rod enters the box body from the window.
Furthermore, four top corners of the bottom surface of the box body are respectively provided with a supporting leg; the lower ends of the supporting legs are provided with supporting bottom plates.
Compared with the prior art, the utility model, its beneficial effect is: the four light intensity sensors are arranged on the four conical surfaces of the rectangular pyramid, so that the illumination from four directions is collected at the same time, the possibility of error caused by the fact that the illumination intensity of two or more points is the same is reduced, meanwhile, the condition of a vehicle or goods in an underground parking lot or a warehouse can be simulated, the result is more referential, and a theoretical basis is provided for later-stage actual indoor application; the orientation of four conical surfaces of the rectangular pyramid can be ensured by matching the square head with the square positioning blind hole; the height of the LED light source can be conveniently adjusted by utilizing the matching of the adjusting nut, the adjusting pipe and the vertical sleeve 8, so that the influence of different light source heights on the illumination intensity is simulated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1 and 2, the utility model discloses a verification device for indoor light source location includes: the device comprises a box body 1, a control box 17, a light source mechanism, a light intensity acquisition mechanism and a cantilever rod;
a controller, an LED drive circuit and a power supply module are arranged in the control box 17; a display screen 18 and a test start key 19 are installed on the side surface of the control box 17;
the light source mechanism comprises two vertical side plates 12, a vertical sleeve 8, an adjusting tube 10, an adjusting nut 11 and an LED light source 9; the vertical sleeve 8 is vertically installed at the center of the top of the box body 1 in a penetrating mode, and the adjusting pipe 10 is vertically inserted into the vertical sleeve 8; the LED light source 9 is fixedly arranged on the lower end of the adjusting tube 10, and the LED light source 9 is positioned in the box body 1; the two vertical side plates 12 are vertically arranged at the top of the box body 1, and the adjusting pipe 10 is positioned between the two vertical side plates 12; two strip-shaped guide holes are vertically arranged on the two vertical side plates 12; a rotating head 14 is rotatably arranged at the upper end of the adjusting pipe 10, and two cross rods 13 which respectively extend into the strip-shaped guide holes at the two sides are arranged on the rotating head 14; an external thread is arranged on the outer pipe wall of the adjusting pipe 10, an adjusting nut 11 is screwed on the external thread, and the adjusting nut 11 is supported at the upper pipe orifice of the vertical sleeve 8;
the light intensity acquisition mechanism comprises a rectangular pyramid 21 and four light intensity sensors 25 arranged on four conical surfaces of the rectangular pyramid 21; a central column 22 is vertically arranged on the bottom surface of the rectangular pyramid 21; the lower end of the central column 22 is provided with a square head 24; square positioning blind holes 2 are distributed on the inner bottom surface of the box body 1 in an array manner; the cantilever rod is used for picking the light intensity acquisition mechanism to a corresponding coordinate position, so that the square head 24 is embedded in the square positioning blind hole 2 at the corresponding coordinate position;
the controller is respectively electrically connected with the LED drive circuit, the display screen 18, the four light intensity sensors 25 and the test start key 19; an electric connecting wire of the LED light source 9 is LED out through the adjusting tube 10 and then is electrically connected with the LED driving circuit; the power module supplies power to the controller, the LED driving circuit, the display screen 18, the four light intensity sensors 25 and the test start button 19 respectively.
The four light intensity sensors 25 are arranged on the four conical surfaces of the rectangular pyramid 21, so that the illumination from four directions is collected at the same time, the possibility of error caused by the fact that the illumination intensity of two or more points is the same is reduced, the condition of a vehicle or goods in an underground parking lot or a warehouse can be simulated, the result is more referential, and a theoretical basis is provided for later-stage actual indoor application; the orientation of the four conical surfaces of the rectangular pyramid 21 can be ensured by the matching of the square head 24 and the square positioning blind hole 2; the height of the LED light source 9 can be conveniently adjusted by matching the adjusting nut 11, the adjusting pipe 10 and the vertical sleeve 8, so that the influence of different light source heights on the illumination intensity is simulated.
Further, a serial port communication circuit electrically connected with the controller is also arranged in the control box 17; the power supply module supplies power to the serial port communication circuit. The communication between the controller and the upper computer can be realized by utilizing the serial port communication circuit.
Furthermore, a height scale 15 is vertically arranged on the vertical side plate 12, and a triangular rib plate 16 is arranged at the mounting position of the vertical side plate 12 and the top surface of the box body 1. The height value of the LED light source 9 can be directly obtained by using the height scale 15; the mounting strength of the vertical side plate 12 can be enhanced by using the triangular rib plate 16.
Further, the cantilever bar comprises a handle bar 28, an L-shaped bar 26 and a U-shaped fork 27 for buckling on the central column 22; a handle lever 28 is extendedly provided on one end of the L-shaped lever 26; a U-shaped prong 27 is disposed vertically on the other end of the L-shaped bar 26. The light intensity collecting mechanism can be conveniently and stably carried by utilizing the U-shaped fork head 27.
Further, an upper disc 20 and a lower disc 23 are arranged on the central column 22 and between the rectangular pyramid 21 and the square head 24; the lower side of the lower disc 23 is supported on the inner bottom surface of the case 1. The upper disc 20 can be conveniently supported on the U-shaped fork 27, and the lower disc 23 can be conveniently supported on the inner bottom surface of the box body 1;
further, a window 5 is arranged on the vertical side surface of the box body 1, and a door panel 6 is installed at the window 5; a door handle 7 is mounted on the outer side surface of the door panel 6; the cantilever rod enters the box body 1 from the window 5. Utilize the setting of window 5 and door plant 6, can be convenient for the tester to carry out putting and the position observation of light intensity acquisition mechanism.
Furthermore, four top corners of the bottom surface of the box body 1 are respectively provided with a supporting leg 3; the lower ends of the supporting legs 3 are provided with supporting bottom plates 4. The bottom of the box body 1 is stably supported by the supporting legs 3 and the supporting bottom plate 4.
In the verification device for indoor light source positioning disclosed by the utility model, the controller adopts a minimum control module formed by an STC15 singlechip and is used for receiving and transmitting control signals; the LED driving circuit adopts a switch control circuit formed by a 9015 triode to provide enough power supply for the LED light source 9; the light intensity sensor 25 adopts an illumination sensor BH1750 and is used for acquiring the illumination intensity of the LED light source 9; the display screen is an existing LCD display screen and is used for displaying the illumination intensity values collected by the four light intensity sensors 25; the serial port communication circuit is formed by the conventional serial port communication chip, so that the communication between the controller and the upper computer is realized, and the acquired light intensity is uploaded to the upper computer for storage; 8 rows and 8 columns of square positioning blind holes 2 are arranged on the inner bottom surface of the box body 1 in an array manner, and the total number of the square positioning blind holes 2 is 64; the inner wall of the box body 1 is provided with a black layer to prevent strong reflection; the included angle between the conical surface and the bottom surface of the rectangular pyramid 21 is 45 degrees, and the included angle between each two adjacent conical surfaces of the rectangular pyramid 21 is 90 degrees, and the size of the box body 1 is 80cm by 50 cm; the power of the LED light source 9 is 1 watt.
When the verification device for indoor light source positioning is used, the controller is in communication connection with the upper computer through the serial port data line; then the door plate 6 is opened, the light intensity acquisition mechanism is picked to the corresponding coordinate position through the cantilever rod, and the square head 24 is embedded in the square positioning blind hole 2 at the corresponding coordinate position; then pressing a test start key 19, collecting the illumination intensity by the four light intensity sensors 25, sending the illumination intensity to the controller, driving the display screen 18 by the controller to display, and sending the illumination intensity to an upper computer through a serial port communication circuit; then the light intensity acquisition mechanism is picked to the next detection position through the cantilever rod until the illumination intensity detection at the positions of all the square positioning blind holes 2 is completed; the height of the LED light source 9 is adjusted by rotating the adjusting nut 11, and then the illumination intensity detection at the position of each square positioning blind hole 2 is repeated, so that the influence of indoor light sources with different heights on data collected by the four light intensity sensors 25 is simulated.
In the positioning calculation, a method for comparing Root Mean Square Error (RMSE) is adopted on the upper computer, and the RMSE is a quantitative weighing method and is very sensitive to the numerical value reflection in a group of measurement. Suppose that the coordinate value (x) of the M point is to be measured0,y0) Then the four standard values of the M point in the standard light intensity table are
And the actual measured value is (a)1,a2,a3,a4) The square root of the error between the predicted value and the true value can be expressed as
Therefore, the RMSE of each coordinate can be solved according to the method, the coordinate value corresponding to the minimum RMSE is taken as the measured coordinate value, the feasibility of positioning based on the illumination intensity is verified, errors are inevitably amplified due to the sensitivity of the RMSE to numerical values, and the coordinate value corresponding to a mode can be taken by measuring for multiple times in order to eliminate the errors in few cases.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A verification apparatus for indoor light source positioning, characterized by: comprises a box body (1), a control box (17), a light source mechanism, a light intensity acquisition mechanism and a cantilever rod;
a controller, an LED drive circuit and a power supply module are arranged in the control box (17); a display screen (18) and a test start key (19) are arranged on the side surface of the control box (17);
the light source mechanism comprises two vertical side plates (12), a vertical sleeve (8), an adjusting tube (10), an adjusting nut (11) and an LED light source (9); the vertical sleeve (8) is vertically installed at the center of the top of the box body (1) in a penetrating mode, and the adjusting pipe (10) is vertically inserted into the vertical sleeve (8); the LED light source (9) is fixedly arranged on the lower end of the adjusting tube (10), and the LED light source (9) is positioned in the box body (1); the two vertical side plates (12) are vertically arranged at the top of the box body (1), and the adjusting pipe (10) is positioned between the two vertical side plates (12); two strip-shaped guide holes are vertically arranged on the two vertical side plates (12); a rotating head (14) is rotatably arranged at the upper end of the adjusting pipe (10), and two cross rods (13) which respectively extend into the strip-shaped guide holes at the two sides are arranged on the rotating head (14); an external thread is arranged on the outer pipe wall of the adjusting pipe (10), an adjusting nut (11) is screwed on the external thread, and the adjusting nut (11) is supported at the upper pipe orifice of the vertical sleeve (8);
the light intensity acquisition mechanism comprises a rectangular pyramid (21) and four light intensity sensors (25) arranged on four conical surfaces of the rectangular pyramid (21); a central column (22) is vertically arranged on the bottom surface of the rectangular pyramid (21); the lower end of the central column (22) is provided with a square head (24); square positioning blind holes (2) are distributed on the inner bottom surface of the box body (1) in an array manner; the cantilever rod is used for picking the light intensity acquisition mechanism to a corresponding coordinate position, so that the square head (24) is embedded in the square positioning blind hole (2) at the corresponding coordinate position;
the controller is respectively and electrically connected with the LED driving circuit, the display screen (18), the four light intensity sensors (25) and the test start key (19); an electric connecting wire of the LED light source (9) is LED out through the adjusting tube (10) and then is electrically connected with the LED driving circuit; the power supply module respectively supplies power to the controller, the LED driving circuit, the display screen (18), the four light intensity sensors (25) and the test start key (19).
2. A verification device for indoor light source positioning according to claim 1, wherein: a serial port communication circuit electrically connected with the controller is also arranged in the control box (17); the power supply module supplies power to the serial port communication circuit.
3. A verification device for indoor light source positioning according to claim 1, wherein: a height scale (15) is vertically arranged on the vertical side plate (12), and a triangular rib plate (16) is arranged at the mounting position of the vertical side plate (12) and the top surface of the box body (1).
4. A verification device for indoor light source positioning according to claim 1, wherein: the cantilever rod comprises a handle rod (28), an L-shaped rod (26) and a U-shaped fork head (27) buckled on the central column (22); the handle rod (28) is arranged on one end of the L-shaped rod (26) in an extending mode; the U-shaped fork head (27) is vertically arranged on the other end of the L-shaped rod (26).
5. A validation apparatus for indoor light source positioning according to claim 4, wherein: an upper disc (20) and a lower disc (23) are arranged on the central column (22) and between the rectangular pyramid (21) and the square head (24); the lower side surface of the lower disc (23) is supported on the inner bottom surface of the box body (1).
6. A verification device for indoor light source positioning according to claim 1, wherein: a window (5) is arranged on the vertical side surface of the box body (1), and a door panel (6) is arranged at the window (5); a door handle (7) is arranged on the outer side surface of the door panel (6); the cantilever rod enters the box body (1) from the window (5).
7. A verification device for indoor light source positioning according to claim 1, wherein: four top corners of the bottom surface of the box body (1) are respectively provided with a supporting leg (3); the lower ends of the supporting legs (3) are provided with supporting bottom plates (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878220.2U CN210323346U (en) | 2019-06-12 | 2019-06-12 | Verification device for indoor light source positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920878220.2U CN210323346U (en) | 2019-06-12 | 2019-06-12 | Verification device for indoor light source positioning |
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| Publication Number | Publication Date |
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| CN210323346U true CN210323346U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920878220.2U Expired - Fee Related CN210323346U (en) | 2019-06-12 | 2019-06-12 | Verification device for indoor light source positioning |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008797A (en) * | 2021-03-04 | 2021-06-22 | 耕图(上海)广告制作有限公司 | Light environment simulation device |
-
2019
- 2019-06-12 CN CN201920878220.2U patent/CN210323346U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113008797A (en) * | 2021-03-04 | 2021-06-22 | 耕图(上海)广告制作有限公司 | Light environment simulation device |
| CN113008797B (en) * | 2021-03-04 | 2022-11-25 | 耕图(上海)广告制作有限公司 | Light environment simulation device |
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Granted publication date: 20200414 Termination date: 20210612 |