CN112135386A - Luminous environment adjusting system and method suitable for public health safety - Google Patents
Luminous environment adjusting system and method suitable for public health safety Download PDFInfo
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Abstract
The invention provides a light environment adjusting system and a light environment adjusting method suitable for public health safety. The light environment adjusting system and the adjusting method suitable for public health and safety comprehensively consider the relationship between the lighting parameters and the melatonin secretion and the related physiological indexes of the new coronary pneumonia, and establish the relationship models M1 and M2, so that the current scene can be automatically judged, different illumination environments can be provided for different scenes, and the lighting requirements under different scenes can be met; by providing different illuminations, the patient can maintain the biological rhythm and physiological parameters as normal as possible, and the recovery of the patient is promoted.
Description
Technical Field
The invention relates to the field of luminous environment adjustment, in particular to a luminous environment adjusting system and method suitable for public health safety.
Background
The new coronary pneumonia epidemic situation which is suddenly seen in the early 2020 brings great influence to the production and life of people, and many people lose precious lives. In the process of treating patients with new coronary pneumonia, the patients are divided into light type, common type, heavy type and critical type, and medical resources with different proportions are distributed to different types of patients so as to ensure that the scarce medical resources are reserved for the critical patients who really need help, so that the critical patients are subjected to active intervention treatment, and the lives of the critical patients are saved to the greatest extent. In contrast, for light and general patients, because relatively few medical resources are allocated, there is a high possibility that the patient suddenly gets worse and cannot be found to delay treatment in time.
At present, in the treatment environment of a new coronary pneumonia patient, the lighting environment provided by the lighting lamp is single, and different lighting environments cannot be provided according to specific scenes, so that once an emergency occurs, the lighting conditions cannot well meet the lighting requirements under the emergency. Meanwhile, as the new coronary pneumonia patient is in a single illumination environment for a long time, the psychological discomfort is easy to generate due to the fear of the mind to the disease, and the recovery of the disease is further influenced; furthermore, night lighting may affect melatonin secretion, thereby causing disorder of biological rhythm of patients and adversely affecting recovery from diseases.
Meanwhile, because ultraviolet rays directly irradiate a human body and damage the human body, people cannot exist in a disinfection field in the conventional ultraviolet disinfection process, and a patient cannot leave a treatment environment at any time in the treatment process of a new coronary pneumonia patient, so that disinfection is performed by adopting a mode of spraying disinfectant in the new coronary pneumonia treatment environment, a large amount of disinfectant is required to be supplied in the disinfection mode, and meanwhile, workers are required to perform disinfection, so that the workload of the workers is increased.
In view of the above, a light environment adjusting system and adjusting method capable of providing different illumination environments for different application scenarios are very important.
Disclosure of Invention
According to the defects and shortcomings of the prior art, the invention provides the light environment adjusting system and the adjusting method suitable for public health safety, and the relationship among the lighting parameters, melatonin secretion and related physiological indexes of new coronary pneumonia is comprehensively considered, so that different illumination environments can be provided for different scenes, and the illumination requirements under different scenes are met.
A luminous environment adjusting system suitable for public health safety comprises a lamp with adjustable illumination parameters, a server and a sensor, wherein the server is respectively connected with the lamp with adjustable illumination parameters and the sensor;
the sensor comprises a camera and a patient physiological parameter acquisition sensor, wherein the camera is arranged in a direction aligned with the bedside of the sickbed and used for acquiring video images of the bedside of the sickbed and the video images within the peripheral range of the bedside and sending the video images to the server;
the lamp with adjustable illumination parameters comprises a white light LED lamp and an RGB LED lamp, wherein the RGB LED lamp is used for providing illumination in night sleep time periods, and the white light LED lamp is used for illumination in other time periods and in emergency modes;
the server is used for storing a relation model M1 of physiological parameters of the patient, such as melatonin secretion, blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the proportion and the intensity of red light, green light and blue light of the RGB LED lamp, and a relation model M2 of physiological parameters of the patient, such as blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the illumination level of the white light LED lamp;
the relational model M1 embodies: the ratio and the intensity of red light, green light and blue light have the effect of promoting the secretion of melatonin; the proportion and the intensity of the red light, the green light and the blue light can maintain the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate in a normal range; and the conditions are satisfied: the proportion and the intensity of the red light, the green light and the blue light can be mixed into white light and meet the requirements of objects;
the relational model M2 embodies: maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level and the blood oxygen saturation change rate within a normal range by the illumination level; and the conditions are satisfied: the illumination level is within the preferred value range of the corresponding illumination scheme;
the server is also used for determining the proportion and the intensity of red light, green light and blue light of the RGB LED lamp according to the physiological parameters of the patient and the relation model M1; analyzing the current scene characteristics according to the received video images, determining the illumination scheme to be selected, and then determining the illumination level of the white light LED lamp under the selected illumination scheme according to the physiological parameters of the patient and the relation model M2.
Preferably, the processing the received video image and analyzing the scene characteristics by the server includes:
(1) extracting figure head information in the image, counting the number of the figure heads, and judging whether a bed checking mode illumination scheme is set;
(2) extracting facial feature information of people in the image, judging facial expressions, judging whether the expressions of patients are painful, and further judging whether an emergency mode illumination scheme is set;
(3) extracting key information in the image, judging whether the person is doing leisure activities according to the key information, and further judging whether a leisure mode illumination scheme is set, wherein the key information comprises electronic equipment, books and hands, and the activities the person is doing comprise watching the electronic equipment or watching the books.
Preferably, in any of the above schemes, the server determines whether the current time is in a night sleep time period according to the current time, and further determines that the RGB LED lamp provides illumination or the white LED lamp provides a corresponding illumination scheme at the current time, and if the current time is in the night sleep time period, the RGB LED lamp provides illumination; if the current time is in the non-night sleep time period, the white light LED lamp provides illumination.
Preferably, in any of the above schemes, the server stores therein preferred value ranges of the illuminance levels of the white light LED lamps corresponding to the respective illumination schemes, and the illumination schemes include an emergency mode, a bed-finding mode, a leisure mode, and a normal mode illumination scheme.
Preferably, in any of the above schemes, the preferable value range of the illuminance level in each of the illumination schemes is determined by a method based on nonlinear regression or a method based on topology.
Preferably, in any of the above schemes, the establishing the relationship model M1 through experiments includes: determining the proportion range and the intensity range of red light, green light and blue light which can be mixed into white light and meet the visual requirement; constructing a function F1 of promoting the black fading secretion by the proportion and the intensity of the red light, the green light and the blue light in the determined proportion range and the intensity range of the red light, the green light and the blue light; constructing an action function F2 that the proportion and the intensity of the red light, the green light and the blue light are in the determined proportion range and intensity range of the red light, the green light and the blue light so that the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate are maintained in the normal range; a relationship model M1= F (F1, F2) was established.
Preferably, in any of the above schemes, the establishing the relationship model M2 through experiments includes: determining the optimal value range of the illumination level of the white light LED lamp in the illumination scheme under various modes; in the preferable value range of the illumination level, an action function F3 of the illumination level is constructed to enable blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation and blood oxygen saturation change rate to be maintained in a normal range, and a relation model M2= F3 is constructed.
Preferably, in any of the above schemes, the lamp with adjustable illumination parameters further includes an ultraviolet disinfection lamp which can be turned on and off and can be controlled by the server, the sensor further includes an isolation pull curtain position detection sensor for detecting whether the isolation pull curtain in the ward is in a state of surrounding the hospital bed, and sending the detected isolation pull curtain state of surrounding the hospital bed to the server, and when the server judges that all the isolation pull curtains in the same ward are in a state of surrounding the hospital bed, the server controls the ultraviolet disinfection lamp to be turned on, and disinfects and sterilizes the region outside the isolation pull curtain.
In any of the above schemes, preferably, the patient physiological parameter acquisition sensor includes a melatonin secretion sensor, a blood IgM sensor, a blood oxygen partial pressure sensor, a blood oxygen saturation acquisition sensor, and one or more of a blood pressure sensor, a heart rate sensor, a body temperature sensor, and a respiration sensor.
Preferably, in any of the above schemes, the server is further configured to determine the illumination scheme to be selected according to a change of the physiological parameter acquired by the patient physiological parameter acquisition sensor.
Preferably, in any of the above schemes, the light environment adjusting system further comprises a terminal device connected to the server, the terminal device is arranged in a nurse station, a doctor office or carried by medical staff, and when the server judges that the physiological parameters of the patient change rapidly or the expression of the patient is painful, the server sends out an early warning to remind the medical staff to check on site in time.
Preferably, in any of the above schemes, the light environment adjusting system further comprises a physical switch, connected to the server, disposed on the medical equipment belt at the bedside of the ward, and configured to manually select the illumination scheme in case of emergency.
Preferably, in any of the above schemes, the sensor further includes a liquid level detection sensor for detecting a liquid level of the liquid device worn by the patient and sending the liquid level to the server, and when the server judges that the liquid level of the liquid device worn by the patient reaches a set position, the server sends an adjustment command to the lamp with adjustable illumination parameters and/or sends early warning information to the terminal device to remind the medical staff of timely performing on-site processing.
Preferably, in any of the above schemes, the light environment adjusting system further includes a projection device, the illumination scheme further includes an image watching mode, and when the server determines that the patient is in a state of being dull, excited or sad, the projection device is automatically controlled to play image information prestored in the server, and the illumination scheme is immediately set to the image watching mode.
Preferably, in any of the above schemes, the server controls the ultraviolet disinfection lamp to be turned off when the server determines that the lamp with the adjustable illumination parameter needs to be adjusted to an emergency mode or a bed-checking mode.
Preferably, in any of the above schemes, when the server determines that the emergency mode needs to be set during the night sleep time period, the server controls the RGB LED lamps to be turned off, and the white LED lamps provide the emergency mode illumination scheme.
A light environment adjusting method suitable for public health and safety is suitable for the light environment adjusting system and comprises the following steps:
the sensor collects information and sends the information to the server;
the server processes the information collected by the sensor, determines the proportion and the intensity of red light, green light and blue light according to a stored relation model M1, analyzes the current scene characteristics according to the received video image, determines the illumination scheme required to be selected, determines the illumination level of the white light LED lamp under the selected illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the determined proportion and the intensity of the red light, the green light and the blue light and the illumination level of the white light LED lamp to the lamp with adjustable illumination parameters;
the lamp with the adjustable illumination parameters provides corresponding illumination.
Preferably, the server determines the proportion and intensity of the red light, the green light and the blue light according to the relation model M1 so that the promotion effect on melatonin secretion is the lowest within the proportion range and intensity range of the red light, the green light and the blue light, and the effect on maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level and the blood oxygen saturation level change rate within the normal range is the highest.
Preferably, in any of the above schemes, the server determines the illumination level according to the relationship model M2 so that the functions of maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level, and the blood oxygen saturation level change rate within the normal range are the highest within the illumination level preferred value range.
Preferably, in any of the above schemes, the server determines whether the current time is in a night sleep time period according to the current time, and further determines that the RGB LED lamp provides illumination or the white LED lamp provides a corresponding illumination scheme at the current time, and if the current time is in the night sleep time period, the RGB LED lamp provides illumination; if the current time is in the non-night sleep time period, the white light LED lamp provides illumination.
In any of the above schemes, preferably, the lamp with adjustable illumination parameters includes an ultraviolet disinfection lamp which can be controlled by the server when turned on or off, and the sensor further includes an isolation pull curtain position detection sensor for detecting whether the isolation pull curtain in the ward is in a state of surrounding the patient's bed, and sending the detected state of surrounding the patient's bed by the isolation pull curtain to the server.
Preferably, in any of the above schemes, the method further includes the step that the server judges whether all the isolation pull curtains in the same ward are in a state of surrounding the hospital bed according to data detected by the isolation pull curtain position detection sensors, and further judges whether to control the ultraviolet disinfection lamp to be turned on, so as to disinfect and sterilize the area outside the region surrounded by the isolation pull curtains.
Above-mentioned any scheme is preferred, the sensor includes camera, patient's physiological parameter acquisition sensor, wherein, the camera is aimed at sick bed head of a bed direction and is set up for gather the video image of sick bed head of a bed position and head of a bed peripheral within range and send to the server, patient's physiological parameter acquisition sensor includes melatonin secretion, blood IgM, blood oxygen partial pressure, oxyhemoglobin saturation acquisition sensor, still includes one or more among blood pressure, rhythm of the heart, body temperature, the respiratory sensor.
Preferably, in any of the above schemes, the sensor further includes a liquid level detection sensor for detecting a liquid level of the liquid device worn by the patient and sending the liquid level to the server, and when the server judges that the liquid level of the liquid device worn by the patient reaches a set position, the server sends an adjustment command to the lamp with adjustable illumination parameters and/or sends early warning information to the terminal device to remind the medical staff of timely performing on-site processing.
Preferably, in any of the above schemes, the server controls the ultraviolet disinfection lamp to be turned off when the server determines that the lamp with the adjustable illumination parameter needs to be adjusted to an emergency mode or a bed-checking mode.
Preferably, in any of the above schemes, the server sends out an early warning when judging that the physiological parameters of the patient change rapidly or the expression of the patient is very painful, reminds medical staff to check on site in time, and sets the illumination scheme to be an emergency mode immediately.
Preferably, in any of the above schemes, when the server determines that the emergency mode needs to be set during the night sleep time period, the server controls the RGB LED lamps to be turned off, and the white LED lamps provide the emergency mode illumination scheme.
Preferably, in any of the above schemes, the light environment adjusting system further includes a projection device, the illumination scheme further includes an image watching mode, and when the server determines that the patient is in a state of being dull, excited or sad, the projection device is automatically controlled to play image information prestored in the server, and the illumination scheme is immediately set to the image watching mode.
The light environment adjusting system and the adjusting method suitable for public health safety are suitable for the new coronary pneumonia, comprehensively consider the relationship between the lighting parameters and melatonin secretion and the related physiological indexes of the new coronary pneumonia, and have the following beneficial effects:
aiming at the night sleep time period, the RGB LED lamp is adopted to provide illumination, a relation model M1 between the proportion and the intensity of red light, green light and blue light of the RGB LED lamp and related physiological indexes of melatonin secretion and new coronary pneumonia is established, and illumination capable of promoting melatonin secretion and keeping related physiological parameters of the new coronary pneumonia in a normal range is provided on the premise of meeting the requirement of medical staff on night vision, so that a patient can keep normal biological rhythm and physiological parameters as far as possible, and the recovery of the patient is promoted;
aiming at the non-night sleep time period, a white light LED lamp is adopted to provide illumination, a relation model M2 between the illumination level of the white light LED lamp and the related physiological indexes of the new coronary pneumonia is established, the current scene is automatically judged, different illumination schemes are provided aiming at different scenes, the illumination requirements under different scenes are met, the patient can maintain the normal biological rhythm and physiological parameters as far as possible, and the recovery of the patient is promoted;
the medical nursing bed has an early warning function, and the workload of medical workers can be reduced to a certain extent;
the ultraviolet disinfection lamp can be automatically controlled to be turned on under the condition that protective measures are in place, so that the ward can be disinfected by ultraviolet rays without leaving the ward, the required amount of disinfectant is reduced, and the workload of workers is reduced;
the server stores the received video information and the physiological parameter information of the patient, so that the disease course change of the patient can be conveniently reviewed and analyzed in the later period, and the server is particularly suitable for wards for treating severe/critical patients in public health safety incidents of new coronary pneumonia.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a light environment regulating system for public health and safety according to the present invention.
Fig. 2 is a schematic workflow diagram of a preferred embodiment of the light environment adjusting method for public health and safety according to the present invention.
Fig. 3 is a partial workflow diagram of another embodiment of the light environment adjusting method for public health safety according to the present invention.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the following examples. The term "coupled" in the following description includes direct coupling and indirect coupling via other components, including electrical coupling via wires, and also includes coupling or communication via connectors, as well as other coupling schemes that allow two components to be brought into a relationship.
Example 1
As shown in fig. 1, a light environment adjusting system suitable for public health and safety comprises a lamp 10 with adjustable illumination parameters, a server 11 and a sensor 12, wherein the server 11 is respectively connected with the lamp 10 with adjustable illumination parameters and the sensor 12, the sensor 12 comprises a camera 121 and a patient physiological parameter acquisition sensor 122, wherein the camera 121 is arranged in a direction aligned with the bedside of a hospital bed and is used for acquiring video images at the position of the bedside of the hospital bed and in the peripheral range of the bedside and sending the video images to the server 11; the patient physiological parameter acquisition sensor 122 comprises a melatonin secretion sensor, a blood IgM sensor, a blood oxygen partial pressure sensor, a blood oxygen saturation acquisition sensor and one or more of a blood pressure sensor, a heart rate sensor, a body temperature sensor and a respiration sensor, and the patient physiological parameter acquisition sensor 122 is used for acquiring corresponding physiological parameters of a patient and sending the acquired physiological parameters of the patient to the server 11;
the lamp 10 with adjustable illumination parameters comprises a white light LED lamp 101 and an RGB LED lamp 102, wherein the RGB LED lamp 102 is used for providing illumination in night sleep time periods, and the white light LED101 lamp is used for illumination in other time periods and in emergency mode;
the server 11 is used for storing a relation model M1 of physiological parameters of the patient, such as melatonin secretion, blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the proportion and intensity of red light, green light and blue light of the RGB LED lamp 102, and a relation model M2 of physiological parameters of the patient, such as blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the illumination level of the white light LED lamp 101;
the relational model M1 embodies: the ratio and the intensity of red light, green light and blue light have the effect of promoting the secretion of melatonin; the proportion and the intensity of the red light, the green light and the blue light can maintain the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate in a normal range; and the conditions are satisfied: the proportion and the intensity of the red light, the green light and the blue light can be mixed into white light and meet the requirements of objects;
the relational model M2 embodies: maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level and the blood oxygen saturation change rate within a normal range by the illumination level; and the conditions are satisfied: the illumination level is within the preferred value range of the corresponding illumination scheme;
the server 11 is further used for determining the proportion and the intensity of red light, green light and blue light of the RGB LED lamp 102 according to the patient physiological parameters and the relation model M1; analyzing the current scene characteristics according to the received video images, determining the illumination scheme to be selected, and then determining the illumination level of the white light LED lamp 101 under the selected illumination scheme according to the physiological parameters of the patient and the relation model M2.
The relationship model M1 and the relationship model M2 were established by experiment. When the relationship model M1 is established, the method includes: determining the proportion range and the intensity range of red light, green light and blue light which can be mixed into white light and meet the visual requirement; constructing a function F1 of promoting the black fading secretion by the proportion and the intensity of the red light, the green light and the blue light in the determined proportion range and the intensity range of the red light, the green light and the blue light; constructing an action function F2 that the proportion and the intensity of the red light, the green light and the blue light are in the determined proportion range and intensity range of the red light, the green light and the blue light so that the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate are maintained in the normal range; a relationship model M1= F (F1, F2) was established. When the relationship model M2 is established, the method includes: determining the optimal value range of the illumination level of the white light LED lamp in the illumination scheme under various modes; in the preferable value range of the illumination level, an action function F3 of the illumination level is constructed to enable blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation and blood oxygen saturation change rate to be maintained in a normal range, and a relation model M2= F3 is constructed.
The server 11 processes the received video image, analyzes the current scene characteristics, and determines the illumination scheme to be selected according to the current scene characteristics.
In this embodiment, the processing and analyzing scene characteristics of the received video image by the server 11 includes: :
(1) extracting figure head information in the image, counting the number of the figure heads, and judging whether a bed checking mode illumination scheme is set;
(2) extracting facial feature information of people in the image, judging facial expressions, judging whether the expressions of patients are painful, and further judging whether an emergency mode illumination scheme is set;
(3) extracting key information in the image, judging whether the person is doing leisure activities according to the key information, and further judging whether a leisure mode illumination scheme is set, wherein the key information comprises electronic equipment, books and hands, and the activities the person is doing comprise watching the electronic equipment or watching the books.
In the video image processing of type (1), the server may extract the head information of the person appearing in the video image by using a method of multitask cascade convolution neural network or other image processing methods, and count the number of the appeared heads of the person. In the video image processing of the (2) th type, the method for extracting facial feature information is not the key point of the present invention, and therefore, it is not described so much, and whether the expression of the patient is painful or not is determined according to the facial feature information. In the video image processing in the (3), key information of the electronic device, the book and the hand of the patient in the image is extracted, and then whether the patient is doing activities of watching the electronic device or the book is judged according to the position relationship between the hand of the patient and the electronic device/book.
The server 11 determines whether the current time is in the night sleep time period according to the current time, and then determines whether the current time is provided with illumination by the RGB LED lamp 102 or a corresponding illumination scheme by the white LED lamp 101. If the current time is in the night sleep time period, the RGB LED lamp 102 provides illumination; if the current time is in the non-night sleep time period, the white light LED lamp provides illumination. The server 11 stores therein preferred value ranges of the illumination levels of the white light LED lamps corresponding to the respective illumination schemes, and the illumination schemes include an emergency mode, a bed-checking mode, a leisure mode, and a normal mode.
In this embodiment, the preferable value range of the illuminance level in each illumination scheme is determined by a method based on nonlinear regression or a method based on topography, so that the illumination environment can reach a higher satisfaction degree, such as more than 80% of the optimal satisfaction degree, within the preferable value range.
In this embodiment, the light environment adjusting system further includes a terminal device 13 connected to the server 11, the terminal device 13 is disposed in a nurse station, a doctor's office or carried by a medical worker, and when the server 11 determines that a physiological parameter of a patient changes sharply or an expression of the patient is painful, an early warning is given out to remind the medical worker to check the patient on site in time, and the illumination scheme is immediately set to an emergency mode.
In this embodiment, the light environment adjusting system further includes a physical switch 14 connected to the server 11, and the physical switch 14 is disposed on a medical device at a bedside of a ward, and is used for manually selecting an illumination scheme in an emergency.
In this embodiment, the patient physiological parameter collecting sensor 122 may be integrated or separated.
In this embodiment, the server 11 further stores therein a disinfection mode lighting scheme. The lamp with adjustable illumination parameters further comprises an ultraviolet disinfection lamp 103 which can be controlled by the server 11 when turned on or off. The sensor 12 further includes an isolation curtain position detection sensor 123, configured to detect whether the isolation curtain in the ward is in a state of surrounding the patient bed, and send the detected state of surrounding the patient bed by the isolation curtain to the server 11. When the server 11 judges that all the isolation pull curtains in the same ward are in the state of surrounding the sickbed, the lamp with the adjustable illumination parameter is controlled to be adjusted to the disinfection mode, namely the ultraviolet disinfection lamp 103 is controlled to be turned on, and the region outside the isolation pull curtains is disinfected.
When the server 11 judges that the lamp with the adjustable illumination parameter needs to be adjusted to the emergency mode or the bed-checking mode, the ultraviolet disinfection lamp 103 is immediately controlled to be turned off.
Example 2
As shown in fig. 2, a light environment adjusting method suitable for public health and safety includes the steps of:
s0: the sensor collects information and sends the information to the server;
s1: the server processes the information collected by the sensor, determines the proportion and the intensity of red light, green light and blue light according to a stored relation model M1, analyzes the current scene characteristics according to the received video image, determines the illumination scheme required to be selected, determines the illumination level of the white light LED lamp under the selected illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the determined proportion and the intensity of the red light, the green light and the blue light and the illumination level of the white light LED lamp to the lamp with adjustable illumination parameters;
s2: the lamp with the adjustable illumination parameters provides corresponding illumination.
The step S1 includes:
step S11: the server determines whether the current time is in the night sleep time period according to the current time, and further determines whether the current time is illuminated by the RGB LED lamp or provided by the white LED lamp according to a corresponding illumination scheme, if the current time is in the night sleep time period, the step S12 is executed; if the current time is in the non-nighttime sleep time period, executing step S13;
step S12: the server determines the proportion and the intensity of red light, green light and blue light of the RGB LED lamp according to the stored relation model M1, and sends the determined proportion and the intensity of the red light, the green light and the blue light to the RGB LED lamp;
step S13: analyzing the current scene characteristics according to the received video image, and determining an illumination scheme to be selected;
step S14: the server determines the illumination level of the white light LED lamp under the selected illumination scheme according to the patient physiological parameters and the relation model M2, and sends the illumination level of the white light LED lamp to the white light LED lamp.
In step S12, the server determines the proportions and intensities of red light, green light, and blue light according to the relationship model M1 such that the promotion effect on melatonin secretion is the lowest and the effects on blood IgM, blood oxygen partial pressure, the rate of change in blood oxygen partial pressure, blood oxygen saturation, and the rate of change in blood oxygen saturation are maintained within normal ranges within the ranges of the proportions and intensities of red light, green light, and blue light are the highest.
In step S14, the server determines the illumination level according to the relationship model M2 such that the effect of maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level, and the blood oxygen saturation level change rate within the normal range is the highest within the preferred value range of the illumination level.
In step S13, the server analyzes the current scene according to the video image, and determines that the lighting scheme to be selected includes one of a first aid mode, a bed-checking mode, a leisure mode and a normal mode lighting scheme.
In this embodiment, the server further determines whether an emergency mode illumination scheme needs to be set according to a change condition of the physiological parameter of the patient, and if the physiological parameter of the patient changes suddenly, the server controls to provide the emergency mode illumination scheme. And when the server judges that the emergency mode illumination scheme needs to be set according to the change condition of the physiological parameters of the patient and the analysis condition of the video image, the server immediately controls the white light LED lamp to provide the emergency mode illumination scheme even if the server is in a night sleep time period.
The sensor includes camera, patient physiological parameter acquisition sensor, wherein, the camera is aimed at sick bed head of a bed direction setting for gather the video image of sick bed head of a bed position and head of a bed peripheral within range and send to the server, patient physiological parameter acquisition sensor includes melatonin secretion, blood IgM, blood oxygen partial pressure, oxyhemoglobin saturation acquisition sensor, still includes one or more among blood pressure, rhythm of the heart, body temperature, the respiratory sensor, patient physiological parameter acquisition sensor with the collection send to the server. The peripheral range of the bed head can be set according to the requirement, and in the embodiment, the peripheral range of the bed head is set to be respectively 30cm at the left side and the right side of the bed head.
Example 3
Different from embodiment 2, the step S13 specifically includes the steps shown in fig. 3:
s211: the server receives the data sent by the patient physiological parameter acquisition sensor, compares the data with the data sent by the patient physiological parameter acquisition sensor received last time, judges whether the variation range of the physiological parameter exceeds a set threshold value T, if so, executes step S215, and if not, executes step S212;
s212: extracting the head information of the person in the received video image, counting the number of the heads of the person, and executing a step S213 if the number of the heads of the person is more than or equal to a set threshold value X; if the number of the human heads is less than the set threshold value X, executing step S214;
s213: the server selects an emergency mode illumination scheme, determines the illumination level of the white light LED lamp under the emergency mode illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the illumination level of the white light LED lamp to the white light LED lamp;
s214: determining that the number of human heads is greater than or equal to a set threshold value K, and executing step S215; if the number of the human heads is less than the set threshold value K, executing the step S216;
s215: the server selects a bed checking mode illumination scheme, determines the illumination level of the white light LED lamp under the bed checking mode illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the illumination level of the white light LED lamp to the white light LED lamp;
s216: extracting facial feature information of people in the image, and judging facial expressions;
s217: if the expression of the patient is painful, executing step S213; if not, executing step S2110;
s2110: extracting key information of electronic equipment, books and hands of a patient in the image, judging whether the patient is watching the electronic equipment or watching the books according to the position relation between the hands of the patient and the electronic equipment/books, if so, executing a step S2111, and if not, executing a step S2112;
s2111: the server selects a leisure mode illumination scheme, determines the illumination level of the white light LED lamp under the leisure mode illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the illumination level of the white light LED lamp to the white light LED lamp;
s2112: the server selects a common mode illumination scheme, determines the illumination level of the white light LED lamp under the common mode illumination scheme according to the physiological parameters of the patient and the relation model M2, and sends the illumination level of the white light LED lamp to the white light LED lamp.
In this embodiment, the threshold T is set to 20%, and may also be set specifically according to the corresponding physiological parameter variation condition, such as setting a sudden decrease in heart rate or a sudden decrease in blood oxygen saturation, when the patient's condition is suddenly worsened in a specific public health safety event; the threshold value X is set to be 3, the threshold value K is set to be 2, at least two medical staff need to be configured when the patient is subjected to first aid in the public health safety event of the type, one medical staff need to be configured when the patient is subjected to bed examination, and the threshold values X and K can be specifically set according to the medical resource distribution system in different public health safety events.
In this embodiment, before the step S211, the method further includes the step of:
s2101: performing human body detection on the video image, if a human body is detected, executing the step S2102, otherwise executing the step S2103;
s2102: according to whether all the parameters acquired by the patient physiological parameter acquisition sensor or all the parameters except the body temperature are 0, if yes, executing a step S2104, and if not, executing a step S211;
s2103: judging whether the time that the human body cannot be detected exceeds a set threshold TT, if so, executing a step S2105, and if not, repeating the step S2101;
s2104: the server sends prompt information to medical staff to prompt a patient to wear the physiological parameter acquisition sensor according to the regulations;
s2105: the server sends prompt information to the medical staff to prompt the patient to leave the hospital bed for a long time and need to pay attention.
In this embodiment, the light environment adjusting method further includes the steps of: the server sends out early warning to the terminal equipment when judging that the physiological parameters of the patient change rapidly or the expression of the patient is painful, reminds medical personnel to check on site in time, and sets the illumination scheme into a bed checking mode immediately.
In this embodiment, the illumination scheme may be manually set by a physical switch provided on the medical device belt at the bedside of the ward, and the manually set illumination scheme has the highest priority until the light adjustment is set to the automatic mode on the physical switch.
In this embodiment, in order to reduce the pressure of the server on processing the video image and the physiological parameters of the patient, the video image acquired by the camera is completely stored, the picture of the video image is captured at regular time intervals (set as required, such as 5 minutes or 3 minutes or other time) to perform image processing, and the required image information is extracted; the physiological parameters of the patient are continuously acquired, but are compared at regular time intervals (set according to requirements, such as 5 minutes or 3 minutes or other time), or are acquired at regular time intervals (set according to requirements, such as 5 minutes or 3 minutes or other time) and sent to the server.
Example 4
In this embodiment, when the server judges that all the isolation pull curtains in the same ward are in the state of surrounding the sickbed, the server controls the lamp with the adjustable illumination parameter to be adjusted to the disinfection mode, namely controls the ultraviolet disinfection lamp to be turned on to disinfect and sterilize the area outside the isolation pull curtains. And when the server judges that the lamp with the adjustable illumination parameter needs to be adjusted to be in an emergency mode or a bed checking mode, the server immediately controls the ultraviolet disinfection lamp to be turned off. When the illumination scheme is adjusted to the disinfection mode from other modes or is adjusted to other modes from the disinfection mode, the on-off state of the ultraviolet disinfection lamp is changed, and the parameters of other lamps are not changed.
The roof of each sick bed top in the ward is fixed and is provided with the guide rail, keep apart to draw the curtain hoist and mount in on the guide rail, just the range of setting up of guide rail guarantees when the isolation is drawn the curtain and is drawn, can be right the sick bed below the guide rail forms the state of encirclement.
In this embodiment, the guide rail is a U-shaped guide rail, which is suitable for hospital beds placed with one end against a wall. Two ends of the U-shaped guide rail are arranged against a wall close to the sickbed. The isolation curtain position detection sensors are installed at two ends of the U-shaped guide rail, when the isolation curtain position detection sensors at two ends of the U-shaped guide rail detect isolation curtains, the server can consider that the isolation curtains are right when the sickbed forms an enclosing state.
The position detection sensor of the isolation pull curtain can adopt a contact switch, a proximity switch, a photoelectric sensor or other components which can detect whether the isolation pull curtain is in place.
The isolation pull curtain is made of a material capable of preventing ultraviolet rays from penetrating, the installation position of the ultraviolet disinfection lamp is located at the position where the isolation pull curtain cannot irradiate the sickbed when surrounding the sickbed, and the isolation pull curtain is arranged below the roof of the sickbed in a non-right lifting or hanging mode or is fixedly installed on a wall in the sickroom. For the lifting installation mode, a lifting frame is fixedly arranged at a proper position on the roof of a ward, and the ultraviolet disinfection lamp is arranged at the lower end of the lifting frame. And in a disinfection mode, the server controls the lifting frame to descend by a set height, and in a non-disinfection mode, the server controls the lifting frame to ascend.
Under the condition that the protection measures for patients are in place, the ultraviolet disinfection lamp is automatically controlled to be turned on to disinfect and sterilize the ward by ultraviolet rays, so that the pollution degree in the ward is reduced as much as possible, and the demand of disinfectant and the workload of workers spraying the disinfectant are reduced.
Example 5
Unlike embodiment 4, in this embodiment, in order to prevent the isolation curtain from moving only in the upper position and not surrounding the patient bed, the isolation curtain position detection sensors are synchronously arranged on the walls close to the two sides of the head of the patient bed at the height position corresponding to the bottom of the isolation curtain. When the isolation curtain position detection sensors arranged at the two ends of the U-shaped guide rail and on the wall detect the isolation curtain, the server considers that the isolation curtain is opposite to the sickbed to form an enclosing state.
Example 6
Different from the embodiment 1 and the embodiment 2, the sensor further comprises a liquid level detection sensor, the liquid level detection sensor is used for detecting the liquid level in the liquid device worn by the patient and sending the liquid level to the server, when the server judges that the liquid level in the liquid device worn by the patient reaches a set position, the server sends an adjusting command to the lamp with adjustable illumination parameters, the lamp light is adjusted to be a bed checking mode, and through the change of the lamp light mode, on one hand, the sensor can remind the patient with the autonomous action ability of needing to process the worn liquid device and call medical care personnel to perform field processing; on the other hand, medical staff on site can be reminded to carry out treatment in time through the change of the light mode; meanwhile, early warning information is sent to the terminal device to remind medical staff to process in time, and the liquid device worn by a patient can be guaranteed to be processed in time through multiple reminding.
The fluid devices worn by the patient include infusion sets, urine bags, and the like. The liquid level detection sensor is clamped at a set liquid level position on a liquid device worn by a patient, and when the liquid level detection sensor detects that the liquid level reaches the set position, the liquid device needs to be processed, or new transfusion liquid needs to be replaced, or transfusion is stopped, or a new urine bag needs to be replaced, and the like.
Example 7
Different from the previous embodiment, the light environment adjusting system further comprises a projection device, the illumination scheme stored in the server further comprises an image watching mode, and when the server judges that the patient is in a state of dull feeling, emotional excitement or sadness, the projection device is automatically controlled to play the image information prestored in the server, and the illumination scheme is immediately set to the image watching mode. The projection device is arranged on a medical equipment belt at the bed head of the ward.
The server judges that the patient is in a state of foolishness, emotional excitement or sadness through the video image acquired by the camera; or a language acquisition device is arranged on the bedside equipment, and whether the patient is in a sad or emotional state is judged through the voice information acquired by the language acquisition device. The image information is stored in a server and comprises video which can be used for encouraging the patient, image information related to family members of the patient or image information interested by the patient.
The projection device can adopt a micro projector to project images on a roof above a sickbed. For conditional wards, the projection device can also adopt a mixed reality device to increase the real experience of patients.
The light setting of the image playing and image watching mode can play the roles of pacifying patients, improving the coordination treatment of the patients, enhancing the disease victory confidence of the patients and the like.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the foregoing embodiments illustrate the invention in detail, those skilled in the art will appreciate that: it is possible to modify the technical solutions described in the foregoing embodiments or to substitute some or all of the technical features thereof, without departing from the scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a luminous environment governing system suitable for public health safety, especially is applicable to luminous environment governing system of new coronary pneumonia, includes illumination parameter adjustable lamp, server and sensor, the server with illumination parameter adjustable lamp, the sensor is connected its characterized in that respectively:
the sensor comprises a camera and a patient physiological parameter acquisition sensor, wherein the camera is arranged in a direction aligned with the bedside of the sickbed and used for acquiring video images of the bedside of the sickbed and the video images within the peripheral range of the bedside and sending the video images to the server;
the lamp with adjustable illumination parameters comprises a white light LED lamp and an RGB LED lamp, wherein the RGB LED lamp is used for providing illumination in night sleep time periods, and the white light LED lamp is used for illumination in other time periods and in emergency modes;
the server is also used for storing a relation model M1 of physiological parameters of the patient, such as melatonin secretion, blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the proportion and the intensity of red light, green light and blue light of the RGB LED lamp, and a relation model M2 of physiological parameters of the patient, such as blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation degree change rate and the illumination level of the white light LED lamp;
the relational model M1 embodies: the ratio and the intensity of red light, green light and blue light have the effect of promoting the secretion of melatonin; the proportion and the intensity of the red light, the green light and the blue light can maintain the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate in a normal range; and the conditions are satisfied: the proportion and the intensity of the red light, the green light and the blue light can be mixed into white light and meet the requirements of objects;
the relational model M2 embodies: maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation level and the blood oxygen saturation change rate within a normal range by the illumination level; and the conditions are satisfied: the illumination level is within the preferred value range of the corresponding illumination scheme;
the server is also used for determining the proportion and the intensity of red light, green light and blue light of the RGB LED lamp according to the physiological parameters of the patient and the relation model M1; analyzing the current scene characteristics according to the received video images, determining the illumination scheme to be selected, and then determining the illumination level of the white light LED lamp under the selected illumination scheme according to the physiological parameters of the patient and the relation model M2.
2. A light environment regulating system adapted for public health safety as recited in claim 1, wherein: the server processes the received video image and analyzes scene characteristics, and the method comprises the following steps:
(1) extracting figure head information in the image, counting the number of the figure heads, and judging whether a bed checking mode illumination scheme is set;
(2) extracting facial feature information of people in the image, judging facial expressions, judging whether the expressions of patients are painful, and further judging whether an emergency mode illumination scheme is set;
(3) extracting key information in the image, judging whether the person is doing leisure activities according to the key information, and further judging whether a leisure mode illumination scheme is set, wherein the key information comprises electronic equipment, books and hands, and the activities the person is doing comprise watching the electronic equipment or watching the books.
3. A light environment regulating system adapted for public health safety as recited in claim 1, wherein: the server determines whether the current time is in a night sleep time period or not according to the current time, and then determines whether the current time is illuminated by the RGB LED lamp or provided by the white light LED lamp according to a corresponding illumination scheme, wherein an optimal value range of the illumination level of the white light LED lamp corresponding to each illumination scheme is stored in the server.
4. A light environment regulating system adapted for public health safety as recited in claim 1, wherein: the relation model M1 is established through experiments and comprises the following steps: determining the proportion range and the intensity range of red light, green light and blue light which can be mixed into white light and meet the visual requirement; constructing a function F1 of promoting the black fading secretion by the proportion and the intensity of the red light, the green light and the blue light in the determined proportion range and the intensity range of the red light, the green light and the blue light; constructing an action function F2 that the proportion and the intensity of the red light, the green light and the blue light are in the determined proportion range and intensity range of the red light, the green light and the blue light so that the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate are maintained in the normal range; a relationship model M1= F (F1, F2) was established.
5. A light environment regulating system adapted for public health safety as recited in claim 3, wherein: the relation model M2 is established through experiments and comprises the following steps: determining the optimal value range of the illumination level of the white light LED lamp in the illumination scheme under various modes; in the preferable value range of the illumination level, an action function F3 of the illumination level is constructed to enable blood IgM, blood oxygen partial pressure change rate, blood oxygen saturation and blood oxygen saturation change rate to be maintained in a normal range, and a relation model M2= F3 is constructed.
6. A light environment regulating system adapted for public health safety as recited in claim 1, wherein: the lamp with the adjustable illumination parameters further comprises an ultraviolet disinfection lamp which can be controlled by the server through lighting and extinguishing, the sensor further comprises an isolation pull curtain position detection sensor which is used for detecting whether the isolation pull curtain in a ward is in a state of surrounding the sickbed or not, and transmitting the detected isolation pull curtain state of surrounding the sickbed to the server, and when the server judges that all isolation pull curtains in the same ward are in the state of surrounding the sickbed, the server controls the ultraviolet disinfection lamp to be opened to disinfect and sterilize the region outside the isolation pull curtain.
7. A light environment regulating method suitable for public health and safety, suitable for the light environment regulating system as claimed in any one of claims 1 to 6, comprising the steps of:
the sensor collects information and sends the information to the server;
the server processes the information collected by the sensor, determines the proportion and the intensity of red light, green light and blue light according to a stored relation model M1, analyzes the current scene characteristics according to the received video image, determines the illumination scheme required to be selected, determines the illumination level of the white light LED lamp under the selected illumination scheme according to a relation model M2, and sends the determined proportion and the intensity of the red light, the green light and the blue light and the illumination level of the white light LED lamp to the lamp with adjustable illumination parameters;
the lamp with the adjustable illumination parameters provides corresponding illumination.
8. A light environment regulating method adapted for public health safety as recited in claim 7, wherein: the server ensures that the promotion effect on melatonin secretion is the lowest in the proportion range and the intensity range of the red light, the green light and the blue light according to the proportion and the intensity of the red light, the green light and the blue light determined by the relation model M1, and the effects of maintaining the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation degree and the blood oxygen saturation degree change rate in the normal range are the highest.
9. A light environment regulating method adapted for public health safety as recited in claim 7, wherein: the server ensures that the blood IgM, the blood oxygen partial pressure change rate, the blood oxygen saturation and the blood oxygen saturation change rate are kept in the normal range in the illumination level optimal value range according to the illumination level determined by the relation model M2, and the effect is the highest.
10. A light environment regulating method adapted for public health safety as recited in claim 7, wherein: the server is used for judging whether all the isolation pull curtains in the same ward are all in a state of surrounding the sickbed according to data detected by the isolation pull curtain position detection sensor, and further judging whether to control the ultraviolet disinfection lamp to be turned on or not, and disinfecting and sterilizing the area outside the isolation pull curtains.
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