WO2023133657A1

WO2023133657A1 - College classroom lighting energy-saving control device and control method thereof

Info

Publication number: WO2023133657A1
Application number: PCT/CN2022/071172
Authority: WO
Inventors: 罗莹; 郑建艇; 李斯亮
Original assignee: 广州工商学院
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2023-07-20
Also published as: CN118525605A

Abstract

The present invention relates to the technical field of college education facilities. Disclosed are a college classroom lighting energy-saving control device and a control method thereof. The present invention comprises a control cabinet; a power line is mounted on the side wall of the control cabinet, and the upper side wall of the control cabinet is connected to a cabinet cover by means of a hinge; the control cabinet is electrically connected to a control box by means of a wire, a disinfection bottle is embedded in the upper side wall of the control box, and the control box is assembled on a wall of a classroom; light intensity detectors, decibel detectors, a daylight lamp and a face recognizer are further provided on the top wall of the classroom. According to the present invention, face recognition and counting are performed on all students in the classroom by means of the face recognizer; moreover, the face recognizer is also equipped with a thermal imaging assembly, the thermal imaging assembly records an area where the students are located, and the light intensity detectors and the decibel detectors are in a linear array structure in an alternating manner, that is, a plurality of regular light intensity detectors and decibel detectors are provided, so that a detection range is effectively expanded, and the scientificity, accuracy and stability of a detection result are improved.

Description

Energy-saving control device and control method for classroom lighting in colleges and universities

technical field

The invention belongs to the technical field of educational facilities in colleges and universities, and in particular relates to a lighting energy-saving control device and a control method for classrooms in colleges and universities.

Background technique

With the development of the times and technology, the education industry has also been greatly promoted with the increase of attention at this stage, not only the improvement of educational methods and skills in imparting knowledge, but also the improvement of educational equipment and facilities. Most of the equipment and facilities used for higher education exist in classrooms. Equipping classrooms with a variety of modern technological facilities can better integrate the dissemination of knowledge with technology, so that knowledge can be better absorbed by students.

The existing public document, CN104837242A-classroom lighting energy-saving control device and its control method, discloses a classroom lighting energy-saving control device, including a casing, a card swiping area, a light intensity detection chip, a display area and a key area. The key area is located at The lower part of the upper surface of the casing, the upper part of the button area is a display area, the upper part of the display area is a card swiping area, and one side of the card swiping area is a light intensity detection chip; the present invention uses a PFID radio frequency identification module to count the number of classrooms, high precision The light intensity measurement integrated chip TSL230 detects the illuminance of the classroom. If the classroom is well-lit, the lights will not be turned on no matter whether the students swipe their cards or not; The controller determines the number of lights in the classroom according to the counted number of swiping cards. It has a simple structure and strong practicability. It achieves the purpose of power supply on demand, saves power for colleges and universities, and is conducive to popularization in high efficiency.

However, the above-mentioned CN104837242A-classroom lighting energy-saving control device and control method thereof has the following disadvantages in actual use:

1. The above-mentioned energy-saving control device for classroom lighting and its control method, it is mentioned that if the light is relatively dark during the day or evening self-study, students use the campus card they carry to get electricity, and the controller determines the classroom according to the counted number of card swipers. The number of lighting lights, that is, the number of lighting lights is determined by counting the number of campus cards. When the distribution of students is uneven and there are no students in some areas, it is impossible to target areas with a large number of people and areas with seats and students. The area is illuminated.

2. The classroom lighting energy-saving control device and its control method mentioned above mentioned that the PFID radio frequency identification module is used to count the number of classrooms, and students often forget to carry their student cards, which leads to inaccurate student data , the follow-up will affect the number of lights in the classroom and the lighting intensity of different areas.

3. The above classroom lighting energy-saving control device and its control method are also equipped with a light intensity detection chip to detect the light intensity in the classroom environment, and the detected data results will affect the lighting effect of subsequent lighting lamps, while The light intensity detection chip can only detect the light intensity of the surrounding environment where the chip is located, that is, the problem of unstable and incomplete detection data.

Contents of the invention

The object of the present invention is to provide a lighting energy-saving control device and a control method for college classrooms. The face recognition device is used to recognize and count the faces of students in the classroom. At the same time, the face recognition device is also equipped with a thermal imaging component. The component records the area where the students are located, and the light intensity detectors and decibel detectors are in an alternating linear array structure, that is, multiple and regular light intensity detectors and decibel detectors are set up to effectively expand the detection range and improve The scientificity, accuracy and stability of the detection results are ensured, and the problems in the above-mentioned energy-saving control device for classroom lighting and its control method are solved.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The present invention is an energy-saving control device for classroom lighting in colleges and universities. The box is electrically connected, the upper side wall of the control box is inlaid with a disinfection bottle, the control box is assembled on the wall of the classroom, and the top wall of the classroom is also provided with a light intensity detector, a decibel detector, a fluorescent lamp and face recognition device;

Wherein, the inside of the control box is provided with an equipment slot, and two partition plates are bonded in the equipment slot, and a PLC controller is arranged on the inner side between the partition plates, and the rear side of the PLC controller is A wireless signal transceiver is arranged in the clamping connection, and storage batteries are installed on both sides of the separation plate.

Further, the partitions are arranged symmetrically about the central point of the equipment slot, and there are two batteries in the equipment slot, and the two batteries are electrically connected to the PLC controller and the wireless signal transceiver through wires. .

Further, the control box is arranged in an L-shaped mechanism, and the long arm end of the control box is connected to the wall through bolts, a switch button is installed inside the control box, and a brightness adjustment knob is sleeved outside the bottom of the switch button .

Further, the inner wall of the control box next to the switch button is inlaid with a pressurized atomizing nozzle, the top side wall of the control box is inlaid with a connecting pipe, and the inside of the control box is connected to the disinfection bottle through the connecting pipe. connect.

Further, the PLC controller is connected to the remote control terminal through a wireless signal transceiver, and the PLC controller is electrically connected to the light intensity detector, the decibel detector, the fluorescent lamp and the face recognition device respectively through data lines.

Further, the number of the light intensity detector and the decibel detector is set, and the light intensity detector and the decibel detector are arranged in an alternating linear array structure, and the face recognizer is equipped with Thermal imaging components.

The present invention also provides a control method for an energy-saving control device for classroom lighting in colleges and universities. The control method specifically includes the following steps:

S1: Assemble the device, and assemble the various components to the predetermined position, and then connect the power supply of the device through the power cord, and then the device and its accessories can be powered. The battery can be charged to avoid emergency power failures;

S2: The device can be started by pressing the switch button in the control box, and then when it is necessary to artificially adjust the overall lighting intensity in the classroom, it can be adjusted through the brightness adjustment knob next to the switch button, and the brightness increases during the operation. The pressure-type atomizing nozzle can spray the disinfectant in the disinfection bottle on the control box;

S3: After completing S2, the light intensity in different areas of the classroom can be detected through the light intensity detector, and the detected light intensity can be sent to the PLC controller through the data line, and the decibel detector can detect the different areas in the classroom. Detect the sound intensity in the area, and send the detected sound intensity to the PLC controller through the data line;

S4: The face recognition function is performed on the students in the classroom through the face recognition device, and the number of people is also counted during the recognition process. At the same time, the thermal imaging component in the face recognition device records the area where the students are, and will detect The data is transmitted to the PLC controller through the data line;

S5: After completing S2 and S3, when the face recognizer recognizes that there are students in the classroom, and the location of the student is determined by the thermal imaging component in the face recognizer, the fluorescent lamp on the roof corresponding to the position lights up .

S6: When S5 is completed, the light intensity detector and the decibel detector detect the light intensity and the sound intensity in the area where the student is located, cooperate with the detected light data and sound data to determine the best lighting brightness in the area, and pass The PLC controller sends a control command to make the fluorescent lamp at this position change the brightness directly;

S7: When all the students leave the classroom, turn off the device through the switch button in the control box. During the operation, the pressurized atomizing nozzle can spray the disinfectant in the disinfection bottle on the control box.

The present invention has the following beneficial effects:

1. In the present invention, by setting a face recognizer, when in use, the face recognizes and counts the students in the classroom through the face recognizer. At the same time, the face recognizer is also equipped with a thermal imaging component. The recognizer counts the students and records the area where the students are located through the thermal imaging component, that is, through the controller, the daily light is always on in the areas where the students are concentrated and where there are students, which solves the above-mentioned energy-saving control device for classroom lighting And its control method, which mentions that if the light is relatively dark during the day or evening self-study, students use the campus card they carry to get electricity, the controller determines the number of lights in the classroom according to the counted number of card swipes, and uses the statistics The way of counting determines the number of lighting lights. When the distribution of students is uneven and there are no students in some areas, it is impossible to target areas with a large number of people and areas with seats and students.

2. In the present invention, by setting the control box, when in use, the purpose of manually adjusting the illumination intensity of the classroom lights, the number of lights and the switch of the lights can be achieved through the independently set control box, and a disinfection device is provided on the side of the control box. bottles and pressurized atomizing nozzles to achieve the purpose of spraying disinfectant, to ensure that the surface of the control box and the hands of the operator can be disinfected after being operated, to ensure personal hygiene and sanitation around the control box, and to solve the above problems The classroom lighting energy-saving control device and its control method, which mentioned that the PFID radio frequency identification module is used to count the number of classrooms, and students often forget to carry their student cards, which will cause inaccurate student data, which will affect the follow-up The number of classroom lighting lights and the lighting intensity of different areas.

3. The present invention is provided with a light intensity detector and a decibel detector. When in use, there are multiple light intensity detectors and decibel detectors, and the light intensity detectors and the decibel detectors are in an alternating linear array structure, that is, multiple and regular light intensity detectors and decibel detectors are set up, which effectively expands the detection range and improves the scientificity, accuracy and stability of the detection results, and solves the above-mentioned classroom lighting energy-saving control device and Its control method, which is also equipped with a light intensity detection chip, detects the light intensity in the classroom environment, and the detected data results will affect the lighting effect of subsequent lighting lamps, and the light intensity detection chip can only monitor the area where the chip is located. The light intensity of the surrounding environment is detected, that is, the detection data is unstable and incomplete.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the structure schematic diagram of lighting energy-saving control device and control method thereof in college classroom in the present invention;

Fig. 2 is the structural representation of control box and disinfection bottle among the present invention;

Fig. 3 is the structural representation of control box among the present invention;

Fig. 4 is a schematic diagram of signal transmission of the present invention;

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Control box; 101. Equipment slot; 102. Partition board; 103. Battery; 104. PLC controller; 105. Wireless signal transceiver; 2. Power cord; 3. Box cover; 4. Control box; 401. Switch button; 402, brightness adjustment knob; 403, pressurized atomizing nozzle; 5, disinfection bottle; 501, connecting tube; 6, light intensity detector; 7, decibel detector; 8, fluorescent lamp; 9, face recognition device.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Please refer to Figs. 1-4, the present invention is an energy-saving control device for classroom lighting in colleges and universities, including a control box 1, a power cord 2 is installed on the side wall of the control box 1, and the upper side wall of the control box 1 is connected to the box by a hinge. The cover 3 is connected, the control box 1 is electrically connected with the control box 4 through wires, the upper side wall of the control box 4 is inlaid with a disinfection bottle 5, the control box 4 is assembled on the wall of the classroom, and a light box is also installed on the top wall of the classroom. Strong detector 6, decibel detector 7, fluorescent lamp 8 and face recognizer 9;

Wherein, the interior of the control box 1 is provided with an equipment slot 101, and two partition plates 102 are bonded in the equipment slot 101, and a PLC controller 104 is arranged on the inner side between the partition plates 102, and the rear side of the PLC controller 104 is locked. A wireless signal transceiver 105 is connected to it, and batteries 103 are installed on both sides of the partition plate 102 .

Please refer to Figure 1-2, the control box 4 is set in an L-shaped mechanism, and the long arm end of the control box 4 is connected to the wall through bolts. Connected with a brightness adjustment knob 402; the inner wall of the control box 4 next to the switch button 401 is inlaid with a pressurized atomizing nozzle 403, and the top side wall of the control box 4 is inlaid with a connecting pipe 501, and the inside of the control box 4 It is connected with the disinfection bottle 5 through the connecting pipe 501; specifically, the control box 4 provided independently can achieve the purpose of manually adjusting the illumination intensity of the daily light 8 in the classroom, the number of lights and the switch of the daily light 8, and is on the side of the control box 4 A disinfection bottle 5 and a pressurized atomizing nozzle 403 are provided to achieve the purpose of spraying disinfectant, to ensure that the surface of the control box 4 and the hand of the operator can be disinfected after being operated, and to ensure personal hygiene and the surrounding area of the control box 4. Sanitation.

Please refer to Figs. 1 and 3, the partition plates 102 are symmetrically arranged about the center point of the equipment slot 101, and there are two accumulators 103 in the equipment slot 101, and the two accumulators 103 are controlled by wires and PLC. The device 104 is electrically connected with the wireless signal transceiver 105.

Please refer to shown in Fig. 1, 4, PLC controller 104 is connected with remote control terminal by wireless signal transceiver 105, and PLC controller 104 is connected with light intensity detector 6, decibel detector 7, fluorescent lamp 8 and people's face respectively by data line The identifier 9 is electrically connected, the number of light intensity detectors 6 and decibel detectors 7 is set, and the light intensity detectors 6 and decibel detectors 7 are arranged in an alternating linear array structure, and the face recognizer The interior of 9 is equipped with a thermal imaging component; specifically, the face recognition and counting of students in the classroom is carried out through the face recognition device 9, and the face recognition device 9 is also equipped with a thermal imaging component, and then through the face recognition The device 9 counts the students, and records the area where the students are located through the thermal imaging component, that is, through the PLC controller 104, the constant lighting work of the daily light 8 is performed on the areas where the students are concentrated and where there are students.

S1: Assemble the device, and assemble the various components to the predetermined position, and then connect the power supply of the device through the power cord 2, then the device and its accessories can be powered, and at the same time provide power for the normal operation of the device The storage battery 103 can also be charged to avoid emergency power failures;

S2: The device can be started by pressing the switch button 401 in the control box 4, and then when it is necessary to artificially adjust the overall lighting intensity in the classroom, it can be adjusted through the brightness adjustment knob 402 next to the switch button 401, and During operation, the pressurized atomizing nozzle 403 can spray the disinfectant in the disinfection bottle on the control box 4;

S3: After completing S2, the light intensity in different areas in the classroom can be detected by the light intensity detector 6, and the detected light intensity is sent to the PLC controller 104 through the data line, and the decibel detector 7 can be used for The sound intensity in different areas in the classroom is detected, and the detected sound intensity is sent to the PLC controller 104 through the data line;

S4: The face recognition function is performed on the students in the classroom by the face recognizer 9, and the number of people is also counted during the recognition process. At the same time, the thermal imaging component in the face recognizer 9 records the area where the students are, and The detected data is transmitted to the PLC controller 104 through the data line;

S5: After S2 and S3 are completed, when the face recognizer 9 recognizes that there are students in the classroom, and through the thermal imaging component in the face recognizer 9, the position of the student is determined, and the fluorescent lamp on the roof corresponding to the position 8 lights up;

S6: When S5 is completed, the light intensity detector 6 and the decibel detector 7 detect the light intensity and sound intensity in the area where the student is located, and cooperate with the detected light data and sound data to determine the best lighting brightness in the area, And send out control order by PLC controller 104, make the fluorescent lamp 8 of this position carry out the brightness change of direct opposite; The detectors 7 are in an alternating linear array structure, that is, multiple and regular light intensity detectors 6 and decibel detectors 7 are arranged to effectively expand the detection range and improve the scientificity, accuracy and stability of the detection results. ;

S7: After all the students leave the classroom, turn off the device through the switch button 401 in the control box 4 , and the pressurized atomizing nozzle 403 can spray the disinfectant in the disinfection bottle on the control box 4 during the operation.

The above are only preferred embodiments of the present invention, and do not limit the present invention. Any modification to the technical solutions described in the foregoing embodiments, equivalent replacement of some of the technical features, any modification, equivalent replacement, and improvement are all Belong to the protection scope of the present invention.

Claims

An energy-saving control device for classroom lighting in colleges and universities, comprising a control box (1), characterized in that: a power line (2) is installed on the side wall of the control box (1), and the upper side wall of the control box (1) is hinged It is connected with the box cover (3), the control box (1) is electrically connected with the control box (4) through wires, and a disinfection bottle (5) is embedded in the upper side wall of the control box (4), and the control box (4) The box (4) is assembled on the wall of the classroom, and a light intensity detector (6), a decibel detector (7), a fluorescent lamp (8) and a face recognition device (9) are also arranged on the top wall of the classroom;

Wherein, the inside of the control box (1) is provided with an equipment slot (101), and two partition plates (102) are bonded in the equipment slot (101), and the space between the partition plates (102) The inner side is provided with a PLC controller (104), the rear side of the PLC controller (104) is clamped with a wireless signal transceiver (105), and the two sides of the partition plate (102) are installed with batteries (103) .
The lighting energy-saving control device for classrooms in colleges and universities according to claim 1, characterized in that, the center points of the equipment slots (101) between the partition plates (102) are symmetrically arranged on the left and right, and the center points of the equipment slots (101) There are two accumulators (103) in total, and the two accumulators (103) are electrically connected with the PLC controller (104) and the wireless signal transceiver (105) through wires.
The lighting energy-saving control device for college classrooms according to claim 1, wherein the control box (4) is arranged in an L-shaped mechanism, and the long arm end of the control box (4) is connected to the wall by bolts, and the control box (4) is connected to the wall by bolts. A switch button (401) is installed inside the box (4), and a brightness adjustment knob (402) is sleeved outside the bottom of the switch button (401).
The lighting energy-saving control device for college classrooms according to claim 3, characterized in that, the inner wall of the control box (4) next to the switch button (401) is inlaid with a pressurized atomizing nozzle (403), so A communication tube (501) is embedded in the top side wall of the control box (4), and the inside of the control box (4) is connected to the disinfection bottle (5) through the communication tube (501).
The lighting energy-saving control device for classrooms in colleges and universities according to claim 2, wherein the PLC controller (104) is connected to the remote control terminal through a wireless signal transceiver (105), and the PLC controller (104) passes the data The wires are respectively electrically connected to the light intensity detector (6), the decibel detector (7), the fluorescent lamp (8) and the face recognition device (9).
The lighting energy-saving control device for college classrooms as claimed in claim 5, wherein the number of said light intensity detectors (6) and decibel detectors (7) are set, and the light intensity detectors (6) and decibel detection The devices (7) are arranged in an alternating linear array structure, and the face recognition device (9) is equipped with thermal imaging components inside.
The control method of the lighting energy-saving control device for college classrooms according to any one of claims 1-6, wherein the control method specifically includes the following steps:

S1: Assemble the device, and assemble the various components to the predetermined position, and then connect the power supply of the device through the power cord (2), then the device and its accessories can be powered, and at the same time, it can provide power for the normal operation of the device At the same time, the storage battery (103) can also be charged to avoid emergency power failure;

S2: The device can be started by pressing the switch button (401) in the control box (4), and then when it is necessary to artificially adjust the overall lighting intensity in the classroom, the brightness can be adjusted by the side of the switch button (401) The knob (402) is adjusted, and the pressurized atomizing nozzle (403) can spray the disinfectant in the disinfectant bottle on the control box (4) during operation;

S3: After completing S2, the light intensity in different areas in the classroom can be detected by the light intensity detector (6), and the detected light intensity is sent to the PLC controller (104) through the data line, and the decibel detection is performed at the same time The device (7) can detect the sound intensity in different areas in the classroom, and send the detected sound intensity to the PLC controller (104) through the data line;

S4: The face recognition function is performed on the students in the classroom through the face recognizer (9), and the number of people is also counted during the recognition process. Record, and transmit the detected data to the PLC controller (104) through the data line;

S5: After completing S2 and S3, when the face recognizer (9) recognizes that there are students in the classroom, and through the thermal imaging component in the face recognizer (9), it is determined that the position of the student, the corresponding position The fluorescent lamp (8) on the roof lights up;

S6: When S5 is completed, the light intensity detector (6) and decibel detector (7) detect the light intensity and sound intensity in the area where the student is located, and cooperate with the detected light data and sound data to determine the maximum intensity in the area. Optimum lighting brightness, and a control command is issued through the PLC controller (104), so that the fluorescent lamp (8) at the position performs a direct brightness change;

S7: After all the students leave the classroom, turn off the device through the switch button (401) in the control box (4). During the operation, the pressurized atomizing nozzle (403) can spray the disinfectant in the disinfection bottle on the control box ( 4).